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[thirdparty/hostap.git] / wpa_supplicant / ctrl_iface.c
1 /*
2 * WPA Supplicant / Control interface (shared code for all backends)
3 * Copyright (c) 2004-2014, Jouni Malinen <j@w1.fi>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9 #include "utils/includes.h"
10 #ifdef CONFIG_TESTING_OPTIONS
11 #include <net/ethernet.h>
12 #include <netinet/ip.h>
13 #endif /* CONFIG_TESTING_OPTIONS */
14
15 #include "utils/common.h"
16 #include "utils/eloop.h"
17 #include "utils/uuid.h"
18 #include "common/version.h"
19 #include "common/ieee802_11_defs.h"
20 #include "common/ieee802_11_common.h"
21 #include "common/wpa_ctrl.h"
22 #include "ap/hostapd.h"
23 #include "eap_peer/eap.h"
24 #include "eapol_supp/eapol_supp_sm.h"
25 #include "rsn_supp/wpa.h"
26 #include "rsn_supp/preauth.h"
27 #include "rsn_supp/pmksa_cache.h"
28 #include "l2_packet/l2_packet.h"
29 #include "wps/wps.h"
30 #include "config.h"
31 #include "wpa_supplicant_i.h"
32 #include "driver_i.h"
33 #include "wps_supplicant.h"
34 #include "ibss_rsn.h"
35 #include "ap.h"
36 #include "p2p_supplicant.h"
37 #include "p2p/p2p.h"
38 #include "hs20_supplicant.h"
39 #include "wifi_display.h"
40 #include "notify.h"
41 #include "bss.h"
42 #include "scan.h"
43 #include "ctrl_iface.h"
44 #include "interworking.h"
45 #include "blacklist.h"
46 #include "autoscan.h"
47 #include "wnm_sta.h"
48 #include "offchannel.h"
49 #include "drivers/driver.h"
50
51 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
52 char *buf, int len);
53 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
54 char *buf, int len);
55 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s,
56 char *val);
57
58 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
59 {
60 char *pos;
61 u8 addr[ETH_ALEN], *filter = NULL, *n;
62 size_t count = 0;
63
64 pos = val;
65 while (pos) {
66 if (*pos == '\0')
67 break;
68 if (hwaddr_aton(pos, addr)) {
69 os_free(filter);
70 return -1;
71 }
72 n = os_realloc_array(filter, count + 1, ETH_ALEN);
73 if (n == NULL) {
74 os_free(filter);
75 return -1;
76 }
77 filter = n;
78 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
79 count++;
80
81 pos = os_strchr(pos, ' ');
82 if (pos)
83 pos++;
84 }
85
86 wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
87 os_free(wpa_s->bssid_filter);
88 wpa_s->bssid_filter = filter;
89 wpa_s->bssid_filter_count = count;
90
91 return 0;
92 }
93
94
95 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
96 {
97 char *pos;
98 u8 addr[ETH_ALEN], *bssid = NULL, *n;
99 struct wpa_ssid_value *ssid = NULL, *ns;
100 size_t count = 0, ssid_count = 0;
101 struct wpa_ssid *c;
102
103 /*
104 * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | ""
105 * SSID_SPEC ::= ssid <SSID_HEX>
106 * BSSID_SPEC ::= bssid <BSSID_HEX>
107 */
108
109 pos = val;
110 while (pos) {
111 if (*pos == '\0')
112 break;
113 if (os_strncmp(pos, "bssid ", 6) == 0) {
114 int res;
115 pos += 6;
116 res = hwaddr_aton2(pos, addr);
117 if (res < 0) {
118 os_free(ssid);
119 os_free(bssid);
120 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
121 "BSSID value '%s'", pos);
122 return -1;
123 }
124 pos += res;
125 n = os_realloc_array(bssid, count + 1, ETH_ALEN);
126 if (n == NULL) {
127 os_free(ssid);
128 os_free(bssid);
129 return -1;
130 }
131 bssid = n;
132 os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
133 count++;
134 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
135 char *end;
136 pos += 5;
137
138 end = pos;
139 while (*end) {
140 if (*end == '\0' || *end == ' ')
141 break;
142 end++;
143 }
144
145 ns = os_realloc_array(ssid, ssid_count + 1,
146 sizeof(struct wpa_ssid_value));
147 if (ns == NULL) {
148 os_free(ssid);
149 os_free(bssid);
150 return -1;
151 }
152 ssid = ns;
153
154 if ((end - pos) & 0x01 || end - pos > 2 * 32 ||
155 hexstr2bin(pos, ssid[ssid_count].ssid,
156 (end - pos) / 2) < 0) {
157 os_free(ssid);
158 os_free(bssid);
159 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
160 "SSID value '%s'", pos);
161 return -1;
162 }
163 ssid[ssid_count].ssid_len = (end - pos) / 2;
164 wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
165 ssid[ssid_count].ssid,
166 ssid[ssid_count].ssid_len);
167 ssid_count++;
168 pos = end;
169 } else {
170 wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
171 "'%s'", pos);
172 os_free(ssid);
173 os_free(bssid);
174 return -1;
175 }
176
177 pos = os_strchr(pos, ' ');
178 if (pos)
179 pos++;
180 }
181
182 wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
183 os_free(wpa_s->disallow_aps_bssid);
184 wpa_s->disallow_aps_bssid = bssid;
185 wpa_s->disallow_aps_bssid_count = count;
186
187 wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
188 os_free(wpa_s->disallow_aps_ssid);
189 wpa_s->disallow_aps_ssid = ssid;
190 wpa_s->disallow_aps_ssid_count = ssid_count;
191
192 if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
193 return 0;
194
195 c = wpa_s->current_ssid;
196 if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
197 return 0;
198
199 if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
200 !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
201 return 0;
202
203 wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
204 "because current AP was marked disallowed");
205
206 #ifdef CONFIG_SME
207 wpa_s->sme.prev_bssid_set = 0;
208 #endif /* CONFIG_SME */
209 wpa_s->reassociate = 1;
210 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
211 wpa_supplicant_req_scan(wpa_s, 0, 0);
212
213 return 0;
214 }
215
216
217 #ifndef CONFIG_NO_CONFIG_BLOBS
218 static int wpas_ctrl_set_blob(struct wpa_supplicant *wpa_s, char *pos)
219 {
220 char *name = pos;
221 struct wpa_config_blob *blob;
222 size_t len;
223
224 pos = os_strchr(pos, ' ');
225 if (pos == NULL)
226 return -1;
227 *pos++ = '\0';
228 len = os_strlen(pos);
229 if (len & 1)
230 return -1;
231
232 wpa_printf(MSG_DEBUG, "CTRL: Set blob '%s'", name);
233 blob = os_zalloc(sizeof(*blob));
234 if (blob == NULL)
235 return -1;
236 blob->name = os_strdup(name);
237 blob->data = os_malloc(len / 2);
238 if (blob->name == NULL || blob->data == NULL) {
239 wpa_config_free_blob(blob);
240 return -1;
241 }
242
243 if (hexstr2bin(pos, blob->data, len / 2) < 0) {
244 wpa_printf(MSG_DEBUG, "CTRL: Invalid blob hex data");
245 wpa_config_free_blob(blob);
246 return -1;
247 }
248 blob->len = len / 2;
249
250 wpa_config_set_blob(wpa_s->conf, blob);
251
252 return 0;
253 }
254 #endif /* CONFIG_NO_CONFIG_BLOBS */
255
256
257 static int wpas_ctrl_pno(struct wpa_supplicant *wpa_s, char *cmd)
258 {
259 char *params;
260 char *pos;
261 int *freqs = NULL;
262 int ret;
263
264 if (atoi(cmd)) {
265 params = os_strchr(cmd, ' ');
266 os_free(wpa_s->manual_sched_scan_freqs);
267 if (params) {
268 params++;
269 pos = os_strstr(params, "freq=");
270 if (pos)
271 freqs = freq_range_to_channel_list(wpa_s,
272 pos + 5);
273 }
274 wpa_s->manual_sched_scan_freqs = freqs;
275 ret = wpas_start_pno(wpa_s);
276 } else {
277 ret = wpas_stop_pno(wpa_s);
278 }
279 return ret;
280 }
281
282
283 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
284 char *cmd)
285 {
286 char *value;
287 int ret = 0;
288
289 value = os_strchr(cmd, ' ');
290 if (value == NULL)
291 return -1;
292 *value++ = '\0';
293
294 wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
295 if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
296 eapol_sm_configure(wpa_s->eapol,
297 atoi(value), -1, -1, -1);
298 } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
299 eapol_sm_configure(wpa_s->eapol,
300 -1, atoi(value), -1, -1);
301 } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
302 eapol_sm_configure(wpa_s->eapol,
303 -1, -1, atoi(value), -1);
304 } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
305 eapol_sm_configure(wpa_s->eapol,
306 -1, -1, -1, atoi(value));
307 } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
308 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
309 atoi(value)))
310 ret = -1;
311 } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
312 0) {
313 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
314 atoi(value)))
315 ret = -1;
316 } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
317 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
318 ret = -1;
319 } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
320 wpa_s->wps_fragment_size = atoi(value);
321 #ifdef CONFIG_WPS_TESTING
322 } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
323 long int val;
324 val = strtol(value, NULL, 0);
325 if (val < 0 || val > 0xff) {
326 ret = -1;
327 wpa_printf(MSG_DEBUG, "WPS: Invalid "
328 "wps_version_number %ld", val);
329 } else {
330 wps_version_number = val;
331 wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
332 "version %u.%u",
333 (wps_version_number & 0xf0) >> 4,
334 wps_version_number & 0x0f);
335 }
336 } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
337 wps_testing_dummy_cred = atoi(value);
338 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
339 wps_testing_dummy_cred);
340 } else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
341 wps_corrupt_pkhash = atoi(value);
342 wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
343 wps_corrupt_pkhash);
344 #endif /* CONFIG_WPS_TESTING */
345 } else if (os_strcasecmp(cmd, "ampdu") == 0) {
346 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
347 ret = -1;
348 #ifdef CONFIG_TDLS
349 #ifdef CONFIG_TDLS_TESTING
350 } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
351 extern unsigned int tdls_testing;
352 tdls_testing = strtol(value, NULL, 0);
353 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
354 #endif /* CONFIG_TDLS_TESTING */
355 } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
356 int disabled = atoi(value);
357 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
358 if (disabled) {
359 if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
360 ret = -1;
361 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
362 ret = -1;
363 wpa_tdls_enable(wpa_s->wpa, !disabled);
364 #endif /* CONFIG_TDLS */
365 } else if (os_strcasecmp(cmd, "pno") == 0) {
366 ret = wpas_ctrl_pno(wpa_s, value);
367 } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
368 int disabled = atoi(value);
369 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
370 ret = -1;
371 else if (disabled)
372 wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
373 } else if (os_strcasecmp(cmd, "uapsd") == 0) {
374 if (os_strcmp(value, "disable") == 0)
375 wpa_s->set_sta_uapsd = 0;
376 else {
377 int be, bk, vi, vo;
378 char *pos;
379 /* format: BE,BK,VI,VO;max SP Length */
380 be = atoi(value);
381 pos = os_strchr(value, ',');
382 if (pos == NULL)
383 return -1;
384 pos++;
385 bk = atoi(pos);
386 pos = os_strchr(pos, ',');
387 if (pos == NULL)
388 return -1;
389 pos++;
390 vi = atoi(pos);
391 pos = os_strchr(pos, ',');
392 if (pos == NULL)
393 return -1;
394 pos++;
395 vo = atoi(pos);
396 /* ignore max SP Length for now */
397
398 wpa_s->set_sta_uapsd = 1;
399 wpa_s->sta_uapsd = 0;
400 if (be)
401 wpa_s->sta_uapsd |= BIT(0);
402 if (bk)
403 wpa_s->sta_uapsd |= BIT(1);
404 if (vi)
405 wpa_s->sta_uapsd |= BIT(2);
406 if (vo)
407 wpa_s->sta_uapsd |= BIT(3);
408 }
409 } else if (os_strcasecmp(cmd, "ps") == 0) {
410 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
411 #ifdef CONFIG_WIFI_DISPLAY
412 } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
413 int enabled = !!atoi(value);
414 if (enabled && !wpa_s->global->p2p)
415 ret = -1;
416 else
417 wifi_display_enable(wpa_s->global, enabled);
418 #endif /* CONFIG_WIFI_DISPLAY */
419 } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
420 ret = set_bssid_filter(wpa_s, value);
421 } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
422 ret = set_disallow_aps(wpa_s, value);
423 } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
424 wpa_s->no_keep_alive = !!atoi(value);
425 #ifdef CONFIG_TESTING_OPTIONS
426 } else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) {
427 wpa_s->ext_mgmt_frame_handling = !!atoi(value);
428 } else if (os_strcasecmp(cmd, "ext_eapol_frame_io") == 0) {
429 wpa_s->ext_eapol_frame_io = !!atoi(value);
430 #ifdef CONFIG_AP
431 if (wpa_s->ap_iface) {
432 wpa_s->ap_iface->bss[0]->ext_eapol_frame_io =
433 wpa_s->ext_eapol_frame_io;
434 }
435 #endif /* CONFIG_AP */
436 } else if (os_strcasecmp(cmd, "extra_roc_dur") == 0) {
437 wpa_s->extra_roc_dur = atoi(value);
438 #endif /* CONFIG_TESTING_OPTIONS */
439 #ifndef CONFIG_NO_CONFIG_BLOBS
440 } else if (os_strcmp(cmd, "blob") == 0) {
441 ret = wpas_ctrl_set_blob(wpa_s, value);
442 #endif /* CONFIG_NO_CONFIG_BLOBS */
443 } else {
444 value[-1] = '=';
445 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
446 if (ret == 0)
447 wpa_supplicant_update_config(wpa_s);
448 }
449
450 return ret;
451 }
452
453
454 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
455 char *cmd, char *buf, size_t buflen)
456 {
457 int res = -1;
458
459 wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
460
461 if (os_strcmp(cmd, "version") == 0) {
462 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
463 } else if (os_strcasecmp(cmd, "country") == 0) {
464 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
465 res = os_snprintf(buf, buflen, "%c%c",
466 wpa_s->conf->country[0],
467 wpa_s->conf->country[1]);
468 #ifdef CONFIG_WIFI_DISPLAY
469 } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
470 int enabled;
471 if (wpa_s->global->p2p == NULL ||
472 wpa_s->global->p2p_disabled)
473 enabled = 0;
474 else
475 enabled = wpa_s->global->wifi_display;
476 res = os_snprintf(buf, buflen, "%d", enabled);
477 if (res < 0 || (unsigned int) res >= buflen)
478 return -1;
479 return res;
480 #endif /* CONFIG_WIFI_DISPLAY */
481 #ifdef CONFIG_TESTING_GET_GTK
482 } else if (os_strcmp(cmd, "gtk") == 0) {
483 if (wpa_s->last_gtk_len == 0)
484 return -1;
485 res = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk,
486 wpa_s->last_gtk_len);
487 return res;
488 #endif /* CONFIG_TESTING_GET_GTK */
489 }
490
491 if (res < 0 || (unsigned int) res >= buflen)
492 return -1;
493 return res;
494 }
495
496
497 #ifdef IEEE8021X_EAPOL
498 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
499 char *addr)
500 {
501 u8 bssid[ETH_ALEN];
502 struct wpa_ssid *ssid = wpa_s->current_ssid;
503
504 if (hwaddr_aton(addr, bssid)) {
505 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
506 "'%s'", addr);
507 return -1;
508 }
509
510 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
511 rsn_preauth_deinit(wpa_s->wpa);
512 if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
513 return -1;
514
515 return 0;
516 }
517 #endif /* IEEE8021X_EAPOL */
518
519
520 #ifdef CONFIG_PEERKEY
521 /* MLME-STKSTART.request(peer) */
522 static int wpa_supplicant_ctrl_iface_stkstart(
523 struct wpa_supplicant *wpa_s, char *addr)
524 {
525 u8 peer[ETH_ALEN];
526
527 if (hwaddr_aton(addr, peer)) {
528 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
529 "address '%s'", addr);
530 return -1;
531 }
532
533 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
534 MAC2STR(peer));
535
536 return wpa_sm_stkstart(wpa_s->wpa, peer);
537 }
538 #endif /* CONFIG_PEERKEY */
539
540
541 #ifdef CONFIG_TDLS
542
543 static int wpa_supplicant_ctrl_iface_tdls_discover(
544 struct wpa_supplicant *wpa_s, char *addr)
545 {
546 u8 peer[ETH_ALEN];
547 int ret;
548
549 if (hwaddr_aton(addr, peer)) {
550 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
551 "address '%s'", addr);
552 return -1;
553 }
554
555 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
556 MAC2STR(peer));
557
558 if (wpa_tdls_is_external_setup(wpa_s->wpa))
559 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
560 else
561 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
562
563 return ret;
564 }
565
566
567 static int wpa_supplicant_ctrl_iface_tdls_setup(
568 struct wpa_supplicant *wpa_s, char *addr)
569 {
570 u8 peer[ETH_ALEN];
571 int ret;
572
573 if (hwaddr_aton(addr, peer)) {
574 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
575 "address '%s'", addr);
576 return -1;
577 }
578
579 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
580 MAC2STR(peer));
581
582 if ((wpa_s->conf->tdls_external_control) &&
583 wpa_tdls_is_external_setup(wpa_s->wpa))
584 return wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
585
586 wpa_tdls_remove(wpa_s->wpa, peer);
587
588 if (wpa_tdls_is_external_setup(wpa_s->wpa))
589 ret = wpa_tdls_start(wpa_s->wpa, peer);
590 else
591 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
592
593 return ret;
594 }
595
596
597 static int wpa_supplicant_ctrl_iface_tdls_teardown(
598 struct wpa_supplicant *wpa_s, char *addr)
599 {
600 u8 peer[ETH_ALEN];
601 int ret;
602
603 if (os_strcmp(addr, "*") == 0) {
604 /* remove everyone */
605 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN *");
606 wpa_tdls_teardown_peers(wpa_s->wpa);
607 return 0;
608 }
609
610 if (hwaddr_aton(addr, peer)) {
611 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
612 "address '%s'", addr);
613 return -1;
614 }
615
616 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
617 MAC2STR(peer));
618
619 if ((wpa_s->conf->tdls_external_control) &&
620 wpa_tdls_is_external_setup(wpa_s->wpa))
621 return wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
622
623 if (wpa_tdls_is_external_setup(wpa_s->wpa))
624 ret = wpa_tdls_teardown_link(
625 wpa_s->wpa, peer,
626 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
627 else
628 ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
629
630 return ret;
631 }
632
633
634 static int ctrl_iface_get_capability_tdls(
635 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
636 {
637 int ret;
638
639 ret = os_snprintf(buf, buflen, "%s\n",
640 wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT ?
641 (wpa_s->drv_flags &
642 WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP ?
643 "EXTERNAL" : "INTERNAL") : "UNSUPPORTED");
644 if (ret < 0 || (size_t) ret > buflen)
645 return -1;
646 return ret;
647 }
648
649 #endif /* CONFIG_TDLS */
650
651
652 #ifdef CONFIG_IEEE80211R
653 static int wpa_supplicant_ctrl_iface_ft_ds(
654 struct wpa_supplicant *wpa_s, char *addr)
655 {
656 u8 target_ap[ETH_ALEN];
657 struct wpa_bss *bss;
658 const u8 *mdie;
659
660 if (hwaddr_aton(addr, target_ap)) {
661 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
662 "address '%s'", addr);
663 return -1;
664 }
665
666 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
667
668 bss = wpa_bss_get_bssid(wpa_s, target_ap);
669 if (bss)
670 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
671 else
672 mdie = NULL;
673
674 return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
675 }
676 #endif /* CONFIG_IEEE80211R */
677
678
679 #ifdef CONFIG_WPS
680 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
681 char *cmd)
682 {
683 u8 bssid[ETH_ALEN], *_bssid = bssid;
684 #ifdef CONFIG_P2P
685 u8 p2p_dev_addr[ETH_ALEN];
686 #endif /* CONFIG_P2P */
687 #ifdef CONFIG_AP
688 u8 *_p2p_dev_addr = NULL;
689 #endif /* CONFIG_AP */
690
691 if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
692 _bssid = NULL;
693 #ifdef CONFIG_P2P
694 } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
695 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
696 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
697 "P2P Device Address '%s'",
698 cmd + 13);
699 return -1;
700 }
701 _p2p_dev_addr = p2p_dev_addr;
702 #endif /* CONFIG_P2P */
703 } else if (hwaddr_aton(cmd, bssid)) {
704 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
705 cmd);
706 return -1;
707 }
708
709 #ifdef CONFIG_AP
710 if (wpa_s->ap_iface)
711 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
712 #endif /* CONFIG_AP */
713
714 return wpas_wps_start_pbc(wpa_s, _bssid, 0);
715 }
716
717
718 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
719 char *cmd, char *buf,
720 size_t buflen)
721 {
722 u8 bssid[ETH_ALEN], *_bssid = bssid;
723 char *pin;
724 int ret;
725
726 pin = os_strchr(cmd, ' ');
727 if (pin)
728 *pin++ = '\0';
729
730 if (os_strcmp(cmd, "any") == 0)
731 _bssid = NULL;
732 else if (os_strcmp(cmd, "get") == 0) {
733 ret = wps_generate_pin();
734 goto done;
735 } else if (hwaddr_aton(cmd, bssid)) {
736 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
737 cmd);
738 return -1;
739 }
740
741 #ifdef CONFIG_AP
742 if (wpa_s->ap_iface) {
743 int timeout = 0;
744 char *pos;
745
746 if (pin) {
747 pos = os_strchr(pin, ' ');
748 if (pos) {
749 *pos++ = '\0';
750 timeout = atoi(pos);
751 }
752 }
753
754 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
755 buf, buflen, timeout);
756 }
757 #endif /* CONFIG_AP */
758
759 if (pin) {
760 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
761 DEV_PW_DEFAULT);
762 if (ret < 0)
763 return -1;
764 ret = os_snprintf(buf, buflen, "%s", pin);
765 if (ret < 0 || (size_t) ret >= buflen)
766 return -1;
767 return ret;
768 }
769
770 ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
771 if (ret < 0)
772 return -1;
773
774 done:
775 /* Return the generated PIN */
776 ret = os_snprintf(buf, buflen, "%08d", ret);
777 if (ret < 0 || (size_t) ret >= buflen)
778 return -1;
779 return ret;
780 }
781
782
783 static int wpa_supplicant_ctrl_iface_wps_check_pin(
784 struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
785 {
786 char pin[9];
787 size_t len;
788 char *pos;
789 int ret;
790
791 wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
792 (u8 *) cmd, os_strlen(cmd));
793 for (pos = cmd, len = 0; *pos != '\0'; pos++) {
794 if (*pos < '0' || *pos > '9')
795 continue;
796 pin[len++] = *pos;
797 if (len == 9) {
798 wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
799 return -1;
800 }
801 }
802 if (len != 4 && len != 8) {
803 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
804 return -1;
805 }
806 pin[len] = '\0';
807
808 if (len == 8) {
809 unsigned int pin_val;
810 pin_val = atoi(pin);
811 if (!wps_pin_valid(pin_val)) {
812 wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
813 ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
814 if (ret < 0 || (size_t) ret >= buflen)
815 return -1;
816 return ret;
817 }
818 }
819
820 ret = os_snprintf(buf, buflen, "%s", pin);
821 if (ret < 0 || (size_t) ret >= buflen)
822 return -1;
823
824 return ret;
825 }
826
827
828 #ifdef CONFIG_WPS_NFC
829
830 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
831 char *cmd)
832 {
833 u8 bssid[ETH_ALEN], *_bssid = bssid;
834
835 if (cmd == NULL || cmd[0] == '\0')
836 _bssid = NULL;
837 else if (hwaddr_aton(cmd, bssid))
838 return -1;
839
840 return wpas_wps_start_nfc(wpa_s, NULL, _bssid, NULL, 0, 0, NULL, NULL,
841 0, 0);
842 }
843
844
845 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
846 struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
847 {
848 int ndef;
849 struct wpabuf *buf;
850 int res;
851 char *pos;
852
853 pos = os_strchr(cmd, ' ');
854 if (pos)
855 *pos++ = '\0';
856 if (os_strcmp(cmd, "WPS") == 0)
857 ndef = 0;
858 else if (os_strcmp(cmd, "NDEF") == 0)
859 ndef = 1;
860 else
861 return -1;
862
863 buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
864 if (buf == NULL)
865 return -1;
866
867 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
868 wpabuf_len(buf));
869 reply[res++] = '\n';
870 reply[res] = '\0';
871
872 wpabuf_free(buf);
873
874 return res;
875 }
876
877
878 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
879 struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
880 {
881 int ndef;
882 struct wpabuf *buf;
883 int res;
884
885 if (os_strcmp(cmd, "WPS") == 0)
886 ndef = 0;
887 else if (os_strcmp(cmd, "NDEF") == 0)
888 ndef = 1;
889 else
890 return -1;
891
892 buf = wpas_wps_nfc_token(wpa_s, ndef);
893 if (buf == NULL)
894 return -1;
895
896 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
897 wpabuf_len(buf));
898 reply[res++] = '\n';
899 reply[res] = '\0';
900
901 wpabuf_free(buf);
902
903 return res;
904 }
905
906
907 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
908 struct wpa_supplicant *wpa_s, char *pos)
909 {
910 size_t len;
911 struct wpabuf *buf;
912 int ret;
913 char *freq;
914 int forced_freq = 0;
915
916 freq = strstr(pos, " freq=");
917 if (freq) {
918 *freq = '\0';
919 freq += 6;
920 forced_freq = atoi(freq);
921 }
922
923 len = os_strlen(pos);
924 if (len & 0x01)
925 return -1;
926 len /= 2;
927
928 buf = wpabuf_alloc(len);
929 if (buf == NULL)
930 return -1;
931 if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
932 wpabuf_free(buf);
933 return -1;
934 }
935
936 ret = wpas_wps_nfc_tag_read(wpa_s, buf, forced_freq);
937 wpabuf_free(buf);
938
939 return ret;
940 }
941
942
943 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
944 char *reply, size_t max_len,
945 int ndef)
946 {
947 struct wpabuf *buf;
948 int res;
949
950 buf = wpas_wps_nfc_handover_req(wpa_s, ndef);
951 if (buf == NULL)
952 return -1;
953
954 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
955 wpabuf_len(buf));
956 reply[res++] = '\n';
957 reply[res] = '\0';
958
959 wpabuf_free(buf);
960
961 return res;
962 }
963
964
965 #ifdef CONFIG_P2P
966 static int wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant *wpa_s,
967 char *reply, size_t max_len,
968 int ndef)
969 {
970 struct wpabuf *buf;
971 int res;
972
973 buf = wpas_p2p_nfc_handover_req(wpa_s, ndef);
974 if (buf == NULL) {
975 wpa_printf(MSG_DEBUG, "P2P: Could not generate NFC handover request");
976 return -1;
977 }
978
979 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
980 wpabuf_len(buf));
981 reply[res++] = '\n';
982 reply[res] = '\0';
983
984 wpabuf_free(buf);
985
986 return res;
987 }
988 #endif /* CONFIG_P2P */
989
990
991 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
992 char *cmd, char *reply,
993 size_t max_len)
994 {
995 char *pos;
996 int ndef;
997
998 pos = os_strchr(cmd, ' ');
999 if (pos == NULL)
1000 return -1;
1001 *pos++ = '\0';
1002
1003 if (os_strcmp(cmd, "WPS") == 0)
1004 ndef = 0;
1005 else if (os_strcmp(cmd, "NDEF") == 0)
1006 ndef = 1;
1007 else
1008 return -1;
1009
1010 if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1011 if (!ndef)
1012 return -1;
1013 return wpas_ctrl_nfc_get_handover_req_wps(
1014 wpa_s, reply, max_len, ndef);
1015 }
1016
1017 #ifdef CONFIG_P2P
1018 if (os_strcmp(pos, "P2P-CR") == 0) {
1019 return wpas_ctrl_nfc_get_handover_req_p2p(
1020 wpa_s, reply, max_len, ndef);
1021 }
1022 #endif /* CONFIG_P2P */
1023
1024 return -1;
1025 }
1026
1027
1028 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
1029 char *reply, size_t max_len,
1030 int ndef, int cr, char *uuid)
1031 {
1032 struct wpabuf *buf;
1033 int res;
1034
1035 buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
1036 if (buf == NULL)
1037 return -1;
1038
1039 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1040 wpabuf_len(buf));
1041 reply[res++] = '\n';
1042 reply[res] = '\0';
1043
1044 wpabuf_free(buf);
1045
1046 return res;
1047 }
1048
1049
1050 #ifdef CONFIG_P2P
1051 static int wpas_ctrl_nfc_get_handover_sel_p2p(struct wpa_supplicant *wpa_s,
1052 char *reply, size_t max_len,
1053 int ndef, int tag)
1054 {
1055 struct wpabuf *buf;
1056 int res;
1057
1058 buf = wpas_p2p_nfc_handover_sel(wpa_s, ndef, tag);
1059 if (buf == NULL)
1060 return -1;
1061
1062 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1063 wpabuf_len(buf));
1064 reply[res++] = '\n';
1065 reply[res] = '\0';
1066
1067 wpabuf_free(buf);
1068
1069 return res;
1070 }
1071 #endif /* CONFIG_P2P */
1072
1073
1074 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
1075 char *cmd, char *reply,
1076 size_t max_len)
1077 {
1078 char *pos, *pos2;
1079 int ndef;
1080
1081 pos = os_strchr(cmd, ' ');
1082 if (pos == NULL)
1083 return -1;
1084 *pos++ = '\0';
1085
1086 if (os_strcmp(cmd, "WPS") == 0)
1087 ndef = 0;
1088 else if (os_strcmp(cmd, "NDEF") == 0)
1089 ndef = 1;
1090 else
1091 return -1;
1092
1093 pos2 = os_strchr(pos, ' ');
1094 if (pos2)
1095 *pos2++ = '\0';
1096 if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1097 if (!ndef)
1098 return -1;
1099 return wpas_ctrl_nfc_get_handover_sel_wps(
1100 wpa_s, reply, max_len, ndef,
1101 os_strcmp(pos, "WPS-CR") == 0, pos2);
1102 }
1103
1104 #ifdef CONFIG_P2P
1105 if (os_strcmp(pos, "P2P-CR") == 0) {
1106 return wpas_ctrl_nfc_get_handover_sel_p2p(
1107 wpa_s, reply, max_len, ndef, 0);
1108 }
1109
1110 if (os_strcmp(pos, "P2P-CR-TAG") == 0) {
1111 return wpas_ctrl_nfc_get_handover_sel_p2p(
1112 wpa_s, reply, max_len, ndef, 1);
1113 }
1114 #endif /* CONFIG_P2P */
1115
1116 return -1;
1117 }
1118
1119
1120 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1121 char *cmd)
1122 {
1123 size_t len;
1124 struct wpabuf *req, *sel;
1125 int ret;
1126 char *pos, *role, *type, *pos2;
1127 #ifdef CONFIG_P2P
1128 char *freq;
1129 int forced_freq = 0;
1130
1131 freq = strstr(cmd, " freq=");
1132 if (freq) {
1133 *freq = '\0';
1134 freq += 6;
1135 forced_freq = atoi(freq);
1136 }
1137 #endif /* CONFIG_P2P */
1138
1139 role = cmd;
1140 pos = os_strchr(role, ' ');
1141 if (pos == NULL) {
1142 wpa_printf(MSG_DEBUG, "NFC: Missing type in handover report");
1143 return -1;
1144 }
1145 *pos++ = '\0';
1146
1147 type = pos;
1148 pos = os_strchr(type, ' ');
1149 if (pos == NULL) {
1150 wpa_printf(MSG_DEBUG, "NFC: Missing request message in handover report");
1151 return -1;
1152 }
1153 *pos++ = '\0';
1154
1155 pos2 = os_strchr(pos, ' ');
1156 if (pos2 == NULL) {
1157 wpa_printf(MSG_DEBUG, "NFC: Missing select message in handover report");
1158 return -1;
1159 }
1160 *pos2++ = '\0';
1161
1162 len = os_strlen(pos);
1163 if (len & 0x01) {
1164 wpa_printf(MSG_DEBUG, "NFC: Invalid request message length in handover report");
1165 return -1;
1166 }
1167 len /= 2;
1168
1169 req = wpabuf_alloc(len);
1170 if (req == NULL) {
1171 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for request message");
1172 return -1;
1173 }
1174 if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1175 wpa_printf(MSG_DEBUG, "NFC: Invalid request message hexdump in handover report");
1176 wpabuf_free(req);
1177 return -1;
1178 }
1179
1180 len = os_strlen(pos2);
1181 if (len & 0x01) {
1182 wpa_printf(MSG_DEBUG, "NFC: Invalid select message length in handover report");
1183 wpabuf_free(req);
1184 return -1;
1185 }
1186 len /= 2;
1187
1188 sel = wpabuf_alloc(len);
1189 if (sel == NULL) {
1190 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for select message");
1191 wpabuf_free(req);
1192 return -1;
1193 }
1194 if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1195 wpa_printf(MSG_DEBUG, "NFC: Invalid select message hexdump in handover report");
1196 wpabuf_free(req);
1197 wpabuf_free(sel);
1198 return -1;
1199 }
1200
1201 wpa_printf(MSG_DEBUG, "NFC: Connection handover reported - role=%s type=%s req_len=%d sel_len=%d",
1202 role, type, (int) wpabuf_len(req), (int) wpabuf_len(sel));
1203
1204 if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1205 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1206 #ifdef CONFIG_AP
1207 } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0)
1208 {
1209 ret = wpas_ap_wps_nfc_report_handover(wpa_s, req, sel);
1210 if (ret < 0)
1211 ret = wpas_er_wps_nfc_report_handover(wpa_s, req, sel);
1212 #endif /* CONFIG_AP */
1213 #ifdef CONFIG_P2P
1214 } else if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "P2P") == 0)
1215 {
1216 ret = wpas_p2p_nfc_report_handover(wpa_s, 1, req, sel, 0);
1217 } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "P2P") == 0)
1218 {
1219 ret = wpas_p2p_nfc_report_handover(wpa_s, 0, req, sel,
1220 forced_freq);
1221 #endif /* CONFIG_P2P */
1222 } else {
1223 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1224 "reported: role=%s type=%s", role, type);
1225 ret = -1;
1226 }
1227 wpabuf_free(req);
1228 wpabuf_free(sel);
1229
1230 if (ret)
1231 wpa_printf(MSG_DEBUG, "NFC: Failed to process reported handover messages");
1232
1233 return ret;
1234 }
1235
1236 #endif /* CONFIG_WPS_NFC */
1237
1238
1239 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1240 char *cmd)
1241 {
1242 u8 bssid[ETH_ALEN];
1243 char *pin;
1244 char *new_ssid;
1245 char *new_auth;
1246 char *new_encr;
1247 char *new_key;
1248 struct wps_new_ap_settings ap;
1249
1250 pin = os_strchr(cmd, ' ');
1251 if (pin == NULL)
1252 return -1;
1253 *pin++ = '\0';
1254
1255 if (hwaddr_aton(cmd, bssid)) {
1256 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1257 cmd);
1258 return -1;
1259 }
1260
1261 new_ssid = os_strchr(pin, ' ');
1262 if (new_ssid == NULL)
1263 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1264 *new_ssid++ = '\0';
1265
1266 new_auth = os_strchr(new_ssid, ' ');
1267 if (new_auth == NULL)
1268 return -1;
1269 *new_auth++ = '\0';
1270
1271 new_encr = os_strchr(new_auth, ' ');
1272 if (new_encr == NULL)
1273 return -1;
1274 *new_encr++ = '\0';
1275
1276 new_key = os_strchr(new_encr, ' ');
1277 if (new_key == NULL)
1278 return -1;
1279 *new_key++ = '\0';
1280
1281 os_memset(&ap, 0, sizeof(ap));
1282 ap.ssid_hex = new_ssid;
1283 ap.auth = new_auth;
1284 ap.encr = new_encr;
1285 ap.key_hex = new_key;
1286 return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1287 }
1288
1289
1290 #ifdef CONFIG_AP
1291 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1292 char *cmd, char *buf,
1293 size_t buflen)
1294 {
1295 int timeout = 300;
1296 char *pos;
1297 const char *pin_txt;
1298
1299 if (!wpa_s->ap_iface)
1300 return -1;
1301
1302 pos = os_strchr(cmd, ' ');
1303 if (pos)
1304 *pos++ = '\0';
1305
1306 if (os_strcmp(cmd, "disable") == 0) {
1307 wpas_wps_ap_pin_disable(wpa_s);
1308 return os_snprintf(buf, buflen, "OK\n");
1309 }
1310
1311 if (os_strcmp(cmd, "random") == 0) {
1312 if (pos)
1313 timeout = atoi(pos);
1314 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1315 if (pin_txt == NULL)
1316 return -1;
1317 return os_snprintf(buf, buflen, "%s", pin_txt);
1318 }
1319
1320 if (os_strcmp(cmd, "get") == 0) {
1321 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1322 if (pin_txt == NULL)
1323 return -1;
1324 return os_snprintf(buf, buflen, "%s", pin_txt);
1325 }
1326
1327 if (os_strcmp(cmd, "set") == 0) {
1328 char *pin;
1329 if (pos == NULL)
1330 return -1;
1331 pin = pos;
1332 pos = os_strchr(pos, ' ');
1333 if (pos) {
1334 *pos++ = '\0';
1335 timeout = atoi(pos);
1336 }
1337 if (os_strlen(pin) > buflen)
1338 return -1;
1339 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1340 return -1;
1341 return os_snprintf(buf, buflen, "%s", pin);
1342 }
1343
1344 return -1;
1345 }
1346 #endif /* CONFIG_AP */
1347
1348
1349 #ifdef CONFIG_WPS_ER
1350 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1351 char *cmd)
1352 {
1353 char *uuid = cmd, *pin, *pos;
1354 u8 addr_buf[ETH_ALEN], *addr = NULL;
1355 pin = os_strchr(uuid, ' ');
1356 if (pin == NULL)
1357 return -1;
1358 *pin++ = '\0';
1359 pos = os_strchr(pin, ' ');
1360 if (pos) {
1361 *pos++ = '\0';
1362 if (hwaddr_aton(pos, addr_buf) == 0)
1363 addr = addr_buf;
1364 }
1365 return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1366 }
1367
1368
1369 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1370 char *cmd)
1371 {
1372 char *uuid = cmd, *pin;
1373 pin = os_strchr(uuid, ' ');
1374 if (pin == NULL)
1375 return -1;
1376 *pin++ = '\0';
1377 return wpas_wps_er_learn(wpa_s, uuid, pin);
1378 }
1379
1380
1381 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1382 struct wpa_supplicant *wpa_s, char *cmd)
1383 {
1384 char *uuid = cmd, *id;
1385 id = os_strchr(uuid, ' ');
1386 if (id == NULL)
1387 return -1;
1388 *id++ = '\0';
1389 return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1390 }
1391
1392
1393 static int wpa_supplicant_ctrl_iface_wps_er_config(
1394 struct wpa_supplicant *wpa_s, char *cmd)
1395 {
1396 char *pin;
1397 char *new_ssid;
1398 char *new_auth;
1399 char *new_encr;
1400 char *new_key;
1401 struct wps_new_ap_settings ap;
1402
1403 pin = os_strchr(cmd, ' ');
1404 if (pin == NULL)
1405 return -1;
1406 *pin++ = '\0';
1407
1408 new_ssid = os_strchr(pin, ' ');
1409 if (new_ssid == NULL)
1410 return -1;
1411 *new_ssid++ = '\0';
1412
1413 new_auth = os_strchr(new_ssid, ' ');
1414 if (new_auth == NULL)
1415 return -1;
1416 *new_auth++ = '\0';
1417
1418 new_encr = os_strchr(new_auth, ' ');
1419 if (new_encr == NULL)
1420 return -1;
1421 *new_encr++ = '\0';
1422
1423 new_key = os_strchr(new_encr, ' ');
1424 if (new_key == NULL)
1425 return -1;
1426 *new_key++ = '\0';
1427
1428 os_memset(&ap, 0, sizeof(ap));
1429 ap.ssid_hex = new_ssid;
1430 ap.auth = new_auth;
1431 ap.encr = new_encr;
1432 ap.key_hex = new_key;
1433 return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1434 }
1435
1436
1437 #ifdef CONFIG_WPS_NFC
1438 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1439 struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1440 {
1441 int ndef;
1442 struct wpabuf *buf;
1443 int res;
1444 char *uuid;
1445
1446 uuid = os_strchr(cmd, ' ');
1447 if (uuid == NULL)
1448 return -1;
1449 *uuid++ = '\0';
1450
1451 if (os_strcmp(cmd, "WPS") == 0)
1452 ndef = 0;
1453 else if (os_strcmp(cmd, "NDEF") == 0)
1454 ndef = 1;
1455 else
1456 return -1;
1457
1458 buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1459 if (buf == NULL)
1460 return -1;
1461
1462 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1463 wpabuf_len(buf));
1464 reply[res++] = '\n';
1465 reply[res] = '\0';
1466
1467 wpabuf_free(buf);
1468
1469 return res;
1470 }
1471 #endif /* CONFIG_WPS_NFC */
1472 #endif /* CONFIG_WPS_ER */
1473
1474 #endif /* CONFIG_WPS */
1475
1476
1477 #ifdef CONFIG_IBSS_RSN
1478 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1479 struct wpa_supplicant *wpa_s, char *addr)
1480 {
1481 u8 peer[ETH_ALEN];
1482
1483 if (hwaddr_aton(addr, peer)) {
1484 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1485 "address '%s'", addr);
1486 return -1;
1487 }
1488
1489 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1490 MAC2STR(peer));
1491
1492 return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1493 }
1494 #endif /* CONFIG_IBSS_RSN */
1495
1496
1497 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1498 char *rsp)
1499 {
1500 #ifdef IEEE8021X_EAPOL
1501 char *pos, *id_pos;
1502 int id;
1503 struct wpa_ssid *ssid;
1504
1505 pos = os_strchr(rsp, '-');
1506 if (pos == NULL)
1507 return -1;
1508 *pos++ = '\0';
1509 id_pos = pos;
1510 pos = os_strchr(pos, ':');
1511 if (pos == NULL)
1512 return -1;
1513 *pos++ = '\0';
1514 id = atoi(id_pos);
1515 wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1516 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1517 (u8 *) pos, os_strlen(pos));
1518
1519 ssid = wpa_config_get_network(wpa_s->conf, id);
1520 if (ssid == NULL) {
1521 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1522 "to update", id);
1523 return -1;
1524 }
1525
1526 return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1527 pos);
1528 #else /* IEEE8021X_EAPOL */
1529 wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1530 return -1;
1531 #endif /* IEEE8021X_EAPOL */
1532 }
1533
1534
1535 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1536 const char *params,
1537 char *buf, size_t buflen)
1538 {
1539 char *pos, *end, tmp[30];
1540 int res, verbose, wps, ret;
1541 #ifdef CONFIG_HS20
1542 const u8 *hs20;
1543 #endif /* CONFIG_HS20 */
1544
1545 if (os_strcmp(params, "-DRIVER") == 0)
1546 return wpa_drv_status(wpa_s, buf, buflen);
1547 verbose = os_strcmp(params, "-VERBOSE") == 0;
1548 wps = os_strcmp(params, "-WPS") == 0;
1549 pos = buf;
1550 end = buf + buflen;
1551 if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1552 struct wpa_ssid *ssid = wpa_s->current_ssid;
1553 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1554 MAC2STR(wpa_s->bssid));
1555 if (ret < 0 || ret >= end - pos)
1556 return pos - buf;
1557 pos += ret;
1558 ret = os_snprintf(pos, end - pos, "freq=%u\n",
1559 wpa_s->assoc_freq);
1560 if (ret < 0 || ret >= end - pos)
1561 return pos - buf;
1562 pos += ret;
1563 if (ssid) {
1564 u8 *_ssid = ssid->ssid;
1565 size_t ssid_len = ssid->ssid_len;
1566 u8 ssid_buf[MAX_SSID_LEN];
1567 if (ssid_len == 0) {
1568 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1569 if (_res < 0)
1570 ssid_len = 0;
1571 else
1572 ssid_len = _res;
1573 _ssid = ssid_buf;
1574 }
1575 ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1576 wpa_ssid_txt(_ssid, ssid_len),
1577 ssid->id);
1578 if (ret < 0 || ret >= end - pos)
1579 return pos - buf;
1580 pos += ret;
1581
1582 if (wps && ssid->passphrase &&
1583 wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1584 (ssid->mode == WPAS_MODE_AP ||
1585 ssid->mode == WPAS_MODE_P2P_GO)) {
1586 ret = os_snprintf(pos, end - pos,
1587 "passphrase=%s\n",
1588 ssid->passphrase);
1589 if (ret < 0 || ret >= end - pos)
1590 return pos - buf;
1591 pos += ret;
1592 }
1593 if (ssid->id_str) {
1594 ret = os_snprintf(pos, end - pos,
1595 "id_str=%s\n",
1596 ssid->id_str);
1597 if (ret < 0 || ret >= end - pos)
1598 return pos - buf;
1599 pos += ret;
1600 }
1601
1602 switch (ssid->mode) {
1603 case WPAS_MODE_INFRA:
1604 ret = os_snprintf(pos, end - pos,
1605 "mode=station\n");
1606 break;
1607 case WPAS_MODE_IBSS:
1608 ret = os_snprintf(pos, end - pos,
1609 "mode=IBSS\n");
1610 break;
1611 case WPAS_MODE_AP:
1612 ret = os_snprintf(pos, end - pos,
1613 "mode=AP\n");
1614 break;
1615 case WPAS_MODE_P2P_GO:
1616 ret = os_snprintf(pos, end - pos,
1617 "mode=P2P GO\n");
1618 break;
1619 case WPAS_MODE_P2P_GROUP_FORMATION:
1620 ret = os_snprintf(pos, end - pos,
1621 "mode=P2P GO - group "
1622 "formation\n");
1623 break;
1624 default:
1625 ret = 0;
1626 break;
1627 }
1628 if (ret < 0 || ret >= end - pos)
1629 return pos - buf;
1630 pos += ret;
1631 }
1632
1633 #ifdef CONFIG_AP
1634 if (wpa_s->ap_iface) {
1635 pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1636 end - pos,
1637 verbose);
1638 } else
1639 #endif /* CONFIG_AP */
1640 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1641 }
1642 #ifdef CONFIG_SAE
1643 if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1644 #ifdef CONFIG_AP
1645 !wpa_s->ap_iface &&
1646 #endif /* CONFIG_AP */
1647 wpa_s->sme.sae.state == SAE_ACCEPTED) {
1648 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1649 wpa_s->sme.sae.group);
1650 if (ret < 0 || ret >= end - pos)
1651 return pos - buf;
1652 pos += ret;
1653 }
1654 #endif /* CONFIG_SAE */
1655 ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1656 wpa_supplicant_state_txt(wpa_s->wpa_state));
1657 if (ret < 0 || ret >= end - pos)
1658 return pos - buf;
1659 pos += ret;
1660
1661 if (wpa_s->l2 &&
1662 l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1663 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1664 if (ret < 0 || ret >= end - pos)
1665 return pos - buf;
1666 pos += ret;
1667 }
1668
1669 #ifdef CONFIG_P2P
1670 if (wpa_s->global->p2p) {
1671 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1672 "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1673 if (ret < 0 || ret >= end - pos)
1674 return pos - buf;
1675 pos += ret;
1676 }
1677 #endif /* CONFIG_P2P */
1678
1679 ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1680 MAC2STR(wpa_s->own_addr));
1681 if (ret < 0 || ret >= end - pos)
1682 return pos - buf;
1683 pos += ret;
1684
1685 #ifdef CONFIG_HS20
1686 if (wpa_s->current_bss &&
1687 (hs20 = wpa_bss_get_vendor_ie(wpa_s->current_bss,
1688 HS20_IE_VENDOR_TYPE)) &&
1689 wpa_s->wpa_proto == WPA_PROTO_RSN &&
1690 wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1691 int release = 1;
1692 if (hs20[1] >= 5) {
1693 u8 rel_num = (hs20[6] & 0xf0) >> 4;
1694 release = rel_num + 1;
1695 }
1696 ret = os_snprintf(pos, end - pos, "hs20=%d\n", release);
1697 if (ret < 0 || ret >= end - pos)
1698 return pos - buf;
1699 pos += ret;
1700 }
1701
1702 if (wpa_s->current_ssid) {
1703 struct wpa_cred *cred;
1704 char *type;
1705
1706 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1707 size_t i;
1708
1709 if (wpa_s->current_ssid->parent_cred != cred)
1710 continue;
1711
1712 if (cred->provisioning_sp) {
1713 ret = os_snprintf(pos, end - pos,
1714 "provisioning_sp=%s\n",
1715 cred->provisioning_sp);
1716 if (ret < 0 || ret >= end - pos)
1717 return pos - buf;
1718 pos += ret;
1719 }
1720
1721 if (!cred->domain)
1722 goto no_domain;
1723
1724 i = 0;
1725 if (wpa_s->current_bss && wpa_s->current_bss->anqp) {
1726 struct wpabuf *names =
1727 wpa_s->current_bss->anqp->domain_name;
1728 for (i = 0; names && i < cred->num_domain; i++)
1729 {
1730 if (domain_name_list_contains(
1731 names, cred->domain[i], 1))
1732 break;
1733 }
1734 if (i == cred->num_domain)
1735 i = 0; /* show first entry by default */
1736 }
1737 ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1738 cred->domain[i]);
1739 if (ret < 0 || ret >= end - pos)
1740 return pos - buf;
1741 pos += ret;
1742
1743 no_domain:
1744 if (wpa_s->current_bss == NULL ||
1745 wpa_s->current_bss->anqp == NULL)
1746 res = -1;
1747 else
1748 res = interworking_home_sp_cred(
1749 wpa_s, cred,
1750 wpa_s->current_bss->anqp->domain_name);
1751 if (res > 0)
1752 type = "home";
1753 else if (res == 0)
1754 type = "roaming";
1755 else
1756 type = "unknown";
1757
1758 ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1759 if (ret < 0 || ret >= end - pos)
1760 return pos - buf;
1761 pos += ret;
1762
1763 break;
1764 }
1765 }
1766 #endif /* CONFIG_HS20 */
1767
1768 if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1769 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1770 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1771 verbose);
1772 if (res >= 0)
1773 pos += res;
1774 }
1775
1776 res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1777 if (res >= 0)
1778 pos += res;
1779
1780 #ifdef CONFIG_WPS
1781 {
1782 char uuid_str[100];
1783 uuid_bin2str(wpa_s->wps->uuid, uuid_str, sizeof(uuid_str));
1784 ret = os_snprintf(pos, end - pos, "uuid=%s\n", uuid_str);
1785 if (ret < 0 || ret >= end - pos)
1786 return pos - buf;
1787 pos += ret;
1788 }
1789 #endif /* CONFIG_WPS */
1790
1791 #ifdef ANDROID
1792 /*
1793 * Allow using the STATUS command with default behavior, say for debug,
1794 * i.e., don't generate a "fake" CONNECTION and SUPPLICANT_STATE_CHANGE
1795 * events with STATUS-NO_EVENTS.
1796 */
1797 if (os_strcmp(params, "-NO_EVENTS")) {
1798 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
1799 "id=%d state=%d BSSID=" MACSTR " SSID=%s",
1800 wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
1801 wpa_s->wpa_state,
1802 MAC2STR(wpa_s->bssid),
1803 wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
1804 wpa_ssid_txt(wpa_s->current_ssid->ssid,
1805 wpa_s->current_ssid->ssid_len) : "");
1806 if (wpa_s->wpa_state == WPA_COMPLETED) {
1807 struct wpa_ssid *ssid = wpa_s->current_ssid;
1808 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED
1809 "- connection to " MACSTR
1810 " completed %s [id=%d id_str=%s]",
1811 MAC2STR(wpa_s->bssid), "(auth)",
1812 ssid ? ssid->id : -1,
1813 ssid && ssid->id_str ? ssid->id_str : "");
1814 }
1815 }
1816 #endif /* ANDROID */
1817
1818 return pos - buf;
1819 }
1820
1821
1822 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1823 char *cmd)
1824 {
1825 char *pos;
1826 int id;
1827 struct wpa_ssid *ssid;
1828 u8 bssid[ETH_ALEN];
1829
1830 /* cmd: "<network id> <BSSID>" */
1831 pos = os_strchr(cmd, ' ');
1832 if (pos == NULL)
1833 return -1;
1834 *pos++ = '\0';
1835 id = atoi(cmd);
1836 wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1837 if (hwaddr_aton(pos, bssid)) {
1838 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1839 return -1;
1840 }
1841
1842 ssid = wpa_config_get_network(wpa_s->conf, id);
1843 if (ssid == NULL) {
1844 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1845 "to update", id);
1846 return -1;
1847 }
1848
1849 os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1850 ssid->bssid_set = !is_zero_ether_addr(bssid);
1851
1852 return 0;
1853 }
1854
1855
1856 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1857 char *cmd, char *buf,
1858 size_t buflen)
1859 {
1860 u8 bssid[ETH_ALEN];
1861 struct wpa_blacklist *e;
1862 char *pos, *end;
1863 int ret;
1864
1865 /* cmd: "BLACKLIST [<BSSID>]" */
1866 if (*cmd == '\0') {
1867 pos = buf;
1868 end = buf + buflen;
1869 e = wpa_s->blacklist;
1870 while (e) {
1871 ret = os_snprintf(pos, end - pos, MACSTR "\n",
1872 MAC2STR(e->bssid));
1873 if (ret < 0 || ret >= end - pos)
1874 return pos - buf;
1875 pos += ret;
1876 e = e->next;
1877 }
1878 return pos - buf;
1879 }
1880
1881 cmd++;
1882 if (os_strncmp(cmd, "clear", 5) == 0) {
1883 wpa_blacklist_clear(wpa_s);
1884 os_memcpy(buf, "OK\n", 3);
1885 return 3;
1886 }
1887
1888 wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1889 if (hwaddr_aton(cmd, bssid)) {
1890 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1891 return -1;
1892 }
1893
1894 /*
1895 * Add the BSSID twice, so its count will be 2, causing it to be
1896 * skipped when processing scan results.
1897 */
1898 ret = wpa_blacklist_add(wpa_s, bssid);
1899 if (ret < 0)
1900 return -1;
1901 ret = wpa_blacklist_add(wpa_s, bssid);
1902 if (ret < 0)
1903 return -1;
1904 os_memcpy(buf, "OK\n", 3);
1905 return 3;
1906 }
1907
1908
1909 static const char * debug_level_str(int level)
1910 {
1911 switch (level) {
1912 case MSG_EXCESSIVE:
1913 return "EXCESSIVE";
1914 case MSG_MSGDUMP:
1915 return "MSGDUMP";
1916 case MSG_DEBUG:
1917 return "DEBUG";
1918 case MSG_INFO:
1919 return "INFO";
1920 case MSG_WARNING:
1921 return "WARNING";
1922 case MSG_ERROR:
1923 return "ERROR";
1924 default:
1925 return "?";
1926 }
1927 }
1928
1929
1930 static int str_to_debug_level(const char *s)
1931 {
1932 if (os_strcasecmp(s, "EXCESSIVE") == 0)
1933 return MSG_EXCESSIVE;
1934 if (os_strcasecmp(s, "MSGDUMP") == 0)
1935 return MSG_MSGDUMP;
1936 if (os_strcasecmp(s, "DEBUG") == 0)
1937 return MSG_DEBUG;
1938 if (os_strcasecmp(s, "INFO") == 0)
1939 return MSG_INFO;
1940 if (os_strcasecmp(s, "WARNING") == 0)
1941 return MSG_WARNING;
1942 if (os_strcasecmp(s, "ERROR") == 0)
1943 return MSG_ERROR;
1944 return -1;
1945 }
1946
1947
1948 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1949 char *cmd, char *buf,
1950 size_t buflen)
1951 {
1952 char *pos, *end, *stamp;
1953 int ret;
1954
1955 if (cmd == NULL) {
1956 return -1;
1957 }
1958
1959 /* cmd: "LOG_LEVEL [<level>]" */
1960 if (*cmd == '\0') {
1961 pos = buf;
1962 end = buf + buflen;
1963 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1964 "Timestamp: %d\n",
1965 debug_level_str(wpa_debug_level),
1966 wpa_debug_timestamp);
1967 if (ret < 0 || ret >= end - pos)
1968 ret = 0;
1969
1970 return ret;
1971 }
1972
1973 while (*cmd == ' ')
1974 cmd++;
1975
1976 stamp = os_strchr(cmd, ' ');
1977 if (stamp) {
1978 *stamp++ = '\0';
1979 while (*stamp == ' ') {
1980 stamp++;
1981 }
1982 }
1983
1984 if (cmd && os_strlen(cmd)) {
1985 int level = str_to_debug_level(cmd);
1986 if (level < 0)
1987 return -1;
1988 wpa_debug_level = level;
1989 }
1990
1991 if (stamp && os_strlen(stamp))
1992 wpa_debug_timestamp = atoi(stamp);
1993
1994 os_memcpy(buf, "OK\n", 3);
1995 return 3;
1996 }
1997
1998
1999 static int wpa_supplicant_ctrl_iface_list_networks(
2000 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2001 {
2002 char *pos, *end;
2003 struct wpa_ssid *ssid;
2004 int ret;
2005
2006 pos = buf;
2007 end = buf + buflen;
2008 ret = os_snprintf(pos, end - pos,
2009 "network id / ssid / bssid / flags\n");
2010 if (ret < 0 || ret >= end - pos)
2011 return pos - buf;
2012 pos += ret;
2013
2014 ssid = wpa_s->conf->ssid;
2015 while (ssid) {
2016 ret = os_snprintf(pos, end - pos, "%d\t%s",
2017 ssid->id,
2018 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
2019 if (ret < 0 || ret >= end - pos)
2020 return pos - buf;
2021 pos += ret;
2022 if (ssid->bssid_set) {
2023 ret = os_snprintf(pos, end - pos, "\t" MACSTR,
2024 MAC2STR(ssid->bssid));
2025 } else {
2026 ret = os_snprintf(pos, end - pos, "\tany");
2027 }
2028 if (ret < 0 || ret >= end - pos)
2029 return pos - buf;
2030 pos += ret;
2031 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
2032 ssid == wpa_s->current_ssid ?
2033 "[CURRENT]" : "",
2034 ssid->disabled ? "[DISABLED]" : "",
2035 ssid->disabled_until.sec ?
2036 "[TEMP-DISABLED]" : "",
2037 ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
2038 "");
2039 if (ret < 0 || ret >= end - pos)
2040 return pos - buf;
2041 pos += ret;
2042 ret = os_snprintf(pos, end - pos, "\n");
2043 if (ret < 0 || ret >= end - pos)
2044 return pos - buf;
2045 pos += ret;
2046
2047 ssid = ssid->next;
2048 }
2049
2050 return pos - buf;
2051 }
2052
2053
2054 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
2055 {
2056 int ret;
2057 ret = os_snprintf(pos, end - pos, "-");
2058 if (ret < 0 || ret >= end - pos)
2059 return pos;
2060 pos += ret;
2061 ret = wpa_write_ciphers(pos, end, cipher, "+");
2062 if (ret < 0)
2063 return pos;
2064 pos += ret;
2065 return pos;
2066 }
2067
2068
2069 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
2070 const u8 *ie, size_t ie_len)
2071 {
2072 struct wpa_ie_data data;
2073 char *start;
2074 int ret;
2075
2076 ret = os_snprintf(pos, end - pos, "[%s-", proto);
2077 if (ret < 0 || ret >= end - pos)
2078 return pos;
2079 pos += ret;
2080
2081 if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
2082 ret = os_snprintf(pos, end - pos, "?]");
2083 if (ret < 0 || ret >= end - pos)
2084 return pos;
2085 pos += ret;
2086 return pos;
2087 }
2088
2089 start = pos;
2090 if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
2091 ret = os_snprintf(pos, end - pos, "%sEAP",
2092 pos == start ? "" : "+");
2093 if (ret < 0 || ret >= end - pos)
2094 return pos;
2095 pos += ret;
2096 }
2097 if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
2098 ret = os_snprintf(pos, end - pos, "%sPSK",
2099 pos == start ? "" : "+");
2100 if (ret < 0 || ret >= end - pos)
2101 return pos;
2102 pos += ret;
2103 }
2104 if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
2105 ret = os_snprintf(pos, end - pos, "%sNone",
2106 pos == start ? "" : "+");
2107 if (ret < 0 || ret >= end - pos)
2108 return pos;
2109 pos += ret;
2110 }
2111 if (data.key_mgmt & WPA_KEY_MGMT_SAE) {
2112 ret = os_snprintf(pos, end - pos, "%sSAE",
2113 pos == start ? "" : "+");
2114 if (ret < 0 || ret >= end - pos)
2115 return pos;
2116 pos += ret;
2117 }
2118 #ifdef CONFIG_IEEE80211R
2119 if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
2120 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
2121 pos == start ? "" : "+");
2122 if (ret < 0 || ret >= end - pos)
2123 return pos;
2124 pos += ret;
2125 }
2126 if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
2127 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
2128 pos == start ? "" : "+");
2129 if (ret < 0 || ret >= end - pos)
2130 return pos;
2131 pos += ret;
2132 }
2133 if (data.key_mgmt & WPA_KEY_MGMT_FT_SAE) {
2134 ret = os_snprintf(pos, end - pos, "%sFT/SAE",
2135 pos == start ? "" : "+");
2136 if (ret < 0 || ret >= end - pos)
2137 return pos;
2138 pos += ret;
2139 }
2140 #endif /* CONFIG_IEEE80211R */
2141 #ifdef CONFIG_IEEE80211W
2142 if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
2143 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
2144 pos == start ? "" : "+");
2145 if (ret < 0 || ret >= end - pos)
2146 return pos;
2147 pos += ret;
2148 }
2149 if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
2150 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
2151 pos == start ? "" : "+");
2152 if (ret < 0 || ret >= end - pos)
2153 return pos;
2154 pos += ret;
2155 }
2156 #endif /* CONFIG_IEEE80211W */
2157
2158 if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
2159 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B",
2160 pos == start ? "" : "+");
2161 if (ret < 0 || ret >= end - pos)
2162 return pos;
2163 pos += ret;
2164 }
2165
2166 pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
2167
2168 if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
2169 ret = os_snprintf(pos, end - pos, "-preauth");
2170 if (ret < 0 || ret >= end - pos)
2171 return pos;
2172 pos += ret;
2173 }
2174
2175 ret = os_snprintf(pos, end - pos, "]");
2176 if (ret < 0 || ret >= end - pos)
2177 return pos;
2178 pos += ret;
2179
2180 return pos;
2181 }
2182
2183
2184 #ifdef CONFIG_WPS
2185 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
2186 char *pos, char *end,
2187 struct wpabuf *wps_ie)
2188 {
2189 int ret;
2190 const char *txt;
2191
2192 if (wps_ie == NULL)
2193 return pos;
2194 if (wps_is_selected_pbc_registrar(wps_ie))
2195 txt = "[WPS-PBC]";
2196 else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
2197 txt = "[WPS-AUTH]";
2198 else if (wps_is_selected_pin_registrar(wps_ie))
2199 txt = "[WPS-PIN]";
2200 else
2201 txt = "[WPS]";
2202
2203 ret = os_snprintf(pos, end - pos, "%s", txt);
2204 if (ret >= 0 && ret < end - pos)
2205 pos += ret;
2206 wpabuf_free(wps_ie);
2207 return pos;
2208 }
2209 #endif /* CONFIG_WPS */
2210
2211
2212 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2213 char *pos, char *end,
2214 const struct wpa_bss *bss)
2215 {
2216 #ifdef CONFIG_WPS
2217 struct wpabuf *wps_ie;
2218 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2219 return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2220 #else /* CONFIG_WPS */
2221 return pos;
2222 #endif /* CONFIG_WPS */
2223 }
2224
2225
2226 /* Format one result on one text line into a buffer. */
2227 static int wpa_supplicant_ctrl_iface_scan_result(
2228 struct wpa_supplicant *wpa_s,
2229 const struct wpa_bss *bss, char *buf, size_t buflen)
2230 {
2231 char *pos, *end;
2232 int ret;
2233 const u8 *ie, *ie2, *p2p, *mesh;
2234
2235 mesh = wpa_bss_get_ie(bss, WLAN_EID_MESH_ID);
2236 p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2237 if (!p2p)
2238 p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2239 if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2240 os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2241 0)
2242 return 0; /* Do not show P2P listen discovery results here */
2243
2244 pos = buf;
2245 end = buf + buflen;
2246
2247 ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2248 MAC2STR(bss->bssid), bss->freq, bss->level);
2249 if (ret < 0 || ret >= end - pos)
2250 return -1;
2251 pos += ret;
2252 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2253 if (ie)
2254 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2255 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2256 if (ie2) {
2257 pos = wpa_supplicant_ie_txt(pos, end, mesh ? "RSN" : "WPA2",
2258 ie2, 2 + ie2[1]);
2259 }
2260 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2261 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2262 ret = os_snprintf(pos, end - pos, "[WEP]");
2263 if (ret < 0 || ret >= end - pos)
2264 return -1;
2265 pos += ret;
2266 }
2267 if (mesh) {
2268 ret = os_snprintf(pos, end - pos, "[MESH]");
2269 if (ret < 0 || ret >= end - pos)
2270 return -1;
2271 pos += ret;
2272 }
2273 if (bss_is_dmg(bss)) {
2274 const char *s;
2275 ret = os_snprintf(pos, end - pos, "[DMG]");
2276 if (ret < 0 || ret >= end - pos)
2277 return -1;
2278 pos += ret;
2279 switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
2280 case IEEE80211_CAP_DMG_IBSS:
2281 s = "[IBSS]";
2282 break;
2283 case IEEE80211_CAP_DMG_AP:
2284 s = "[ESS]";
2285 break;
2286 case IEEE80211_CAP_DMG_PBSS:
2287 s = "[PBSS]";
2288 break;
2289 default:
2290 s = "";
2291 break;
2292 }
2293 ret = os_snprintf(pos, end - pos, "%s", s);
2294 if (ret < 0 || ret >= end - pos)
2295 return -1;
2296 pos += ret;
2297 } else {
2298 if (bss->caps & IEEE80211_CAP_IBSS) {
2299 ret = os_snprintf(pos, end - pos, "[IBSS]");
2300 if (ret < 0 || ret >= end - pos)
2301 return -1;
2302 pos += ret;
2303 }
2304 if (bss->caps & IEEE80211_CAP_ESS) {
2305 ret = os_snprintf(pos, end - pos, "[ESS]");
2306 if (ret < 0 || ret >= end - pos)
2307 return -1;
2308 pos += ret;
2309 }
2310 }
2311 if (p2p) {
2312 ret = os_snprintf(pos, end - pos, "[P2P]");
2313 if (ret < 0 || ret >= end - pos)
2314 return -1;
2315 pos += ret;
2316 }
2317 #ifdef CONFIG_HS20
2318 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2319 ret = os_snprintf(pos, end - pos, "[HS20]");
2320 if (ret < 0 || ret >= end - pos)
2321 return -1;
2322 pos += ret;
2323 }
2324 #endif /* CONFIG_HS20 */
2325
2326 ret = os_snprintf(pos, end - pos, "\t%s",
2327 wpa_ssid_txt(bss->ssid, bss->ssid_len));
2328 if (ret < 0 || ret >= end - pos)
2329 return -1;
2330 pos += ret;
2331
2332 ret = os_snprintf(pos, end - pos, "\n");
2333 if (ret < 0 || ret >= end - pos)
2334 return -1;
2335 pos += ret;
2336
2337 return pos - buf;
2338 }
2339
2340
2341 static int wpa_supplicant_ctrl_iface_scan_results(
2342 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2343 {
2344 char *pos, *end;
2345 struct wpa_bss *bss;
2346 int ret;
2347
2348 pos = buf;
2349 end = buf + buflen;
2350 ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2351 "flags / ssid\n");
2352 if (ret < 0 || ret >= end - pos)
2353 return pos - buf;
2354 pos += ret;
2355
2356 dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2357 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2358 end - pos);
2359 if (ret < 0 || ret >= end - pos)
2360 return pos - buf;
2361 pos += ret;
2362 }
2363
2364 return pos - buf;
2365 }
2366
2367
2368 static int wpa_supplicant_ctrl_iface_select_network(
2369 struct wpa_supplicant *wpa_s, char *cmd)
2370 {
2371 int id;
2372 struct wpa_ssid *ssid;
2373 char *pos;
2374
2375 /* cmd: "<network id>" or "any" */
2376 if (os_strncmp(cmd, "any", 3) == 0) {
2377 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2378 ssid = NULL;
2379 } else {
2380 id = atoi(cmd);
2381 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2382
2383 ssid = wpa_config_get_network(wpa_s->conf, id);
2384 if (ssid == NULL) {
2385 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2386 "network id=%d", id);
2387 return -1;
2388 }
2389 if (ssid->disabled == 2) {
2390 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2391 "SELECT_NETWORK with persistent P2P group");
2392 return -1;
2393 }
2394 }
2395
2396 pos = os_strstr(cmd, " freq=");
2397 if (pos) {
2398 int *freqs = freq_range_to_channel_list(wpa_s, pos + 6);
2399 if (freqs) {
2400 wpa_s->scan_req = MANUAL_SCAN_REQ;
2401 os_free(wpa_s->manual_scan_freqs);
2402 wpa_s->manual_scan_freqs = freqs;
2403 }
2404 }
2405
2406 wpa_supplicant_select_network(wpa_s, ssid);
2407
2408 return 0;
2409 }
2410
2411
2412 static int wpa_supplicant_ctrl_iface_enable_network(
2413 struct wpa_supplicant *wpa_s, char *cmd)
2414 {
2415 int id;
2416 struct wpa_ssid *ssid;
2417
2418 /* cmd: "<network id>" or "all" */
2419 if (os_strcmp(cmd, "all") == 0) {
2420 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2421 ssid = NULL;
2422 } else {
2423 id = atoi(cmd);
2424 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2425
2426 ssid = wpa_config_get_network(wpa_s->conf, id);
2427 if (ssid == NULL) {
2428 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2429 "network id=%d", id);
2430 return -1;
2431 }
2432 if (ssid->disabled == 2) {
2433 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2434 "ENABLE_NETWORK with persistent P2P group");
2435 return -1;
2436 }
2437
2438 if (os_strstr(cmd, " no-connect")) {
2439 ssid->disabled = 0;
2440 return 0;
2441 }
2442 }
2443 wpa_supplicant_enable_network(wpa_s, ssid);
2444
2445 return 0;
2446 }
2447
2448
2449 static int wpa_supplicant_ctrl_iface_disable_network(
2450 struct wpa_supplicant *wpa_s, char *cmd)
2451 {
2452 int id;
2453 struct wpa_ssid *ssid;
2454
2455 /* cmd: "<network id>" or "all" */
2456 if (os_strcmp(cmd, "all") == 0) {
2457 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2458 ssid = NULL;
2459 } else {
2460 id = atoi(cmd);
2461 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2462
2463 ssid = wpa_config_get_network(wpa_s->conf, id);
2464 if (ssid == NULL) {
2465 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2466 "network id=%d", id);
2467 return -1;
2468 }
2469 if (ssid->disabled == 2) {
2470 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2471 "DISABLE_NETWORK with persistent P2P "
2472 "group");
2473 return -1;
2474 }
2475 }
2476 wpa_supplicant_disable_network(wpa_s, ssid);
2477
2478 return 0;
2479 }
2480
2481
2482 static int wpa_supplicant_ctrl_iface_add_network(
2483 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2484 {
2485 struct wpa_ssid *ssid;
2486 int ret;
2487
2488 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2489
2490 ssid = wpa_config_add_network(wpa_s->conf);
2491 if (ssid == NULL)
2492 return -1;
2493
2494 wpas_notify_network_added(wpa_s, ssid);
2495
2496 ssid->disabled = 1;
2497 wpa_config_set_network_defaults(ssid);
2498
2499 ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2500 if (ret < 0 || (size_t) ret >= buflen)
2501 return -1;
2502 return ret;
2503 }
2504
2505
2506 static int wpa_supplicant_ctrl_iface_remove_network(
2507 struct wpa_supplicant *wpa_s, char *cmd)
2508 {
2509 int id;
2510 struct wpa_ssid *ssid;
2511 int was_disabled;
2512
2513 /* cmd: "<network id>" or "all" */
2514 if (os_strcmp(cmd, "all") == 0) {
2515 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2516 if (wpa_s->sched_scanning)
2517 wpa_supplicant_cancel_sched_scan(wpa_s);
2518
2519 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2520 if (wpa_s->current_ssid) {
2521 #ifdef CONFIG_SME
2522 wpa_s->sme.prev_bssid_set = 0;
2523 #endif /* CONFIG_SME */
2524 wpa_sm_set_config(wpa_s->wpa, NULL);
2525 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2526 wpa_supplicant_deauthenticate(
2527 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2528 }
2529 ssid = wpa_s->conf->ssid;
2530 while (ssid) {
2531 struct wpa_ssid *remove_ssid = ssid;
2532 id = ssid->id;
2533 ssid = ssid->next;
2534 if (wpa_s->last_ssid == remove_ssid)
2535 wpa_s->last_ssid = NULL;
2536 wpas_notify_network_removed(wpa_s, remove_ssid);
2537 wpa_config_remove_network(wpa_s->conf, id);
2538 }
2539 return 0;
2540 }
2541
2542 id = atoi(cmd);
2543 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2544
2545 ssid = wpa_config_get_network(wpa_s->conf, id);
2546 if (ssid)
2547 wpas_notify_network_removed(wpa_s, ssid);
2548 if (ssid == NULL) {
2549 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2550 "id=%d", id);
2551 return -1;
2552 }
2553
2554 if (wpa_s->last_ssid == ssid)
2555 wpa_s->last_ssid = NULL;
2556
2557 if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2558 #ifdef CONFIG_SME
2559 wpa_s->sme.prev_bssid_set = 0;
2560 #endif /* CONFIG_SME */
2561 /*
2562 * Invalidate the EAP session cache if the current or
2563 * previously used network is removed.
2564 */
2565 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2566 }
2567
2568 if (ssid == wpa_s->current_ssid) {
2569 wpa_sm_set_config(wpa_s->wpa, NULL);
2570 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2571
2572 wpa_supplicant_deauthenticate(wpa_s,
2573 WLAN_REASON_DEAUTH_LEAVING);
2574 }
2575
2576 was_disabled = ssid->disabled;
2577
2578 if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2579 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2580 "network id=%d", id);
2581 return -1;
2582 }
2583
2584 if (!was_disabled && wpa_s->sched_scanning) {
2585 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2586 "network from filters");
2587 wpa_supplicant_cancel_sched_scan(wpa_s);
2588 wpa_supplicant_req_scan(wpa_s, 0, 0);
2589 }
2590
2591 return 0;
2592 }
2593
2594
2595 static int wpa_supplicant_ctrl_iface_update_network(
2596 struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
2597 char *name, char *value)
2598 {
2599 if (wpa_config_set(ssid, name, value, 0) < 0) {
2600 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2601 "variable '%s'", name);
2602 return -1;
2603 }
2604
2605 if (os_strcmp(name, "bssid") != 0 &&
2606 os_strcmp(name, "priority") != 0)
2607 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2608
2609 if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2610 /*
2611 * Invalidate the EAP session cache if anything in the current
2612 * or previously used configuration changes.
2613 */
2614 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2615 }
2616
2617 if ((os_strcmp(name, "psk") == 0 &&
2618 value[0] == '"' && ssid->ssid_len) ||
2619 (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2620 wpa_config_update_psk(ssid);
2621 else if (os_strcmp(name, "priority") == 0)
2622 wpa_config_update_prio_list(wpa_s->conf);
2623 else if (os_strcmp(name, "no_auto_peer") == 0)
2624 ssid->no_auto_peer = atoi(value);
2625
2626 return 0;
2627 }
2628
2629
2630 static int wpa_supplicant_ctrl_iface_set_network(
2631 struct wpa_supplicant *wpa_s, char *cmd)
2632 {
2633 int id, ret, prev_bssid_set;
2634 struct wpa_ssid *ssid;
2635 char *name, *value;
2636 u8 prev_bssid[ETH_ALEN];
2637
2638 /* cmd: "<network id> <variable name> <value>" */
2639 name = os_strchr(cmd, ' ');
2640 if (name == NULL)
2641 return -1;
2642 *name++ = '\0';
2643
2644 value = os_strchr(name, ' ');
2645 if (value == NULL)
2646 return -1;
2647 *value++ = '\0';
2648
2649 id = atoi(cmd);
2650 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2651 id, name);
2652 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2653 (u8 *) value, os_strlen(value));
2654
2655 ssid = wpa_config_get_network(wpa_s->conf, id);
2656 if (ssid == NULL) {
2657 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2658 "id=%d", id);
2659 return -1;
2660 }
2661
2662 prev_bssid_set = ssid->bssid_set;
2663 os_memcpy(prev_bssid, ssid->bssid, ETH_ALEN);
2664 ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid, name,
2665 value);
2666 if (ret == 0 &&
2667 (ssid->bssid_set != prev_bssid_set ||
2668 os_memcmp(ssid->bssid, prev_bssid, ETH_ALEN) != 0))
2669 wpas_notify_network_bssid_set_changed(wpa_s, ssid);
2670 return ret;
2671 }
2672
2673
2674 static int wpa_supplicant_ctrl_iface_get_network(
2675 struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2676 {
2677 int id;
2678 size_t res;
2679 struct wpa_ssid *ssid;
2680 char *name, *value;
2681
2682 /* cmd: "<network id> <variable name>" */
2683 name = os_strchr(cmd, ' ');
2684 if (name == NULL || buflen == 0)
2685 return -1;
2686 *name++ = '\0';
2687
2688 id = atoi(cmd);
2689 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2690 id, name);
2691
2692 ssid = wpa_config_get_network(wpa_s->conf, id);
2693 if (ssid == NULL) {
2694 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2695 "id=%d", id);
2696 return -1;
2697 }
2698
2699 value = wpa_config_get_no_key(ssid, name);
2700 if (value == NULL) {
2701 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2702 "variable '%s'", name);
2703 return -1;
2704 }
2705
2706 res = os_strlcpy(buf, value, buflen);
2707 if (res >= buflen) {
2708 os_free(value);
2709 return -1;
2710 }
2711
2712 os_free(value);
2713
2714 return res;
2715 }
2716
2717
2718 static int wpa_supplicant_ctrl_iface_dup_network(
2719 struct wpa_supplicant *wpa_s, char *cmd)
2720 {
2721 struct wpa_ssid *ssid_s, *ssid_d;
2722 char *name, *id, *value;
2723 int id_s, id_d, ret;
2724
2725 /* cmd: "<src network id> <dst network id> <variable name>" */
2726 id = os_strchr(cmd, ' ');
2727 if (id == NULL)
2728 return -1;
2729 *id++ = '\0';
2730
2731 name = os_strchr(id, ' ');
2732 if (name == NULL)
2733 return -1;
2734 *name++ = '\0';
2735
2736 id_s = atoi(cmd);
2737 id_d = atoi(id);
2738 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DUP_NETWORK id=%d -> %d name='%s'",
2739 id_s, id_d, name);
2740
2741 ssid_s = wpa_config_get_network(wpa_s->conf, id_s);
2742 if (ssid_s == NULL) {
2743 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2744 "network id=%d", id_s);
2745 return -1;
2746 }
2747
2748 ssid_d = wpa_config_get_network(wpa_s->conf, id_d);
2749 if (ssid_d == NULL) {
2750 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2751 "network id=%d", id_s);
2752 return -1;
2753 }
2754
2755 value = wpa_config_get(ssid_s, name);
2756 if (value == NULL) {
2757 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2758 "variable '%s'", name);
2759 return -1;
2760 }
2761
2762 ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid_d, name,
2763 value);
2764
2765 os_free(value);
2766
2767 return ret;
2768 }
2769
2770
2771 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2772 char *buf, size_t buflen)
2773 {
2774 char *pos, *end;
2775 struct wpa_cred *cred;
2776 int ret;
2777
2778 pos = buf;
2779 end = buf + buflen;
2780 ret = os_snprintf(pos, end - pos,
2781 "cred id / realm / username / domain / imsi\n");
2782 if (ret < 0 || ret >= end - pos)
2783 return pos - buf;
2784 pos += ret;
2785
2786 cred = wpa_s->conf->cred;
2787 while (cred) {
2788 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2789 cred->id, cred->realm ? cred->realm : "",
2790 cred->username ? cred->username : "",
2791 cred->domain ? cred->domain[0] : "",
2792 cred->imsi ? cred->imsi : "");
2793 if (ret < 0 || ret >= end - pos)
2794 return pos - buf;
2795 pos += ret;
2796
2797 cred = cred->next;
2798 }
2799
2800 return pos - buf;
2801 }
2802
2803
2804 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2805 char *buf, size_t buflen)
2806 {
2807 struct wpa_cred *cred;
2808 int ret;
2809
2810 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2811
2812 cred = wpa_config_add_cred(wpa_s->conf);
2813 if (cred == NULL)
2814 return -1;
2815
2816 wpa_msg(wpa_s, MSG_INFO, CRED_ADDED "%d", cred->id);
2817
2818 ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2819 if (ret < 0 || (size_t) ret >= buflen)
2820 return -1;
2821 return ret;
2822 }
2823
2824
2825 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2826 struct wpa_cred *cred)
2827 {
2828 struct wpa_ssid *ssid;
2829 char str[20];
2830 int id;
2831
2832 if (cred == NULL) {
2833 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2834 return -1;
2835 }
2836
2837 id = cred->id;
2838 if (wpa_config_remove_cred(wpa_s->conf, id) < 0) {
2839 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2840 return -1;
2841 }
2842
2843 wpa_msg(wpa_s, MSG_INFO, CRED_REMOVED "%d", id);
2844
2845 /* Remove any network entry created based on the removed credential */
2846 ssid = wpa_s->conf->ssid;
2847 while (ssid) {
2848 if (ssid->parent_cred == cred) {
2849 wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2850 "used the removed credential", ssid->id);
2851 os_snprintf(str, sizeof(str), "%d", ssid->id);
2852 ssid = ssid->next;
2853 wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2854 } else
2855 ssid = ssid->next;
2856 }
2857
2858 return 0;
2859 }
2860
2861
2862 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2863 char *cmd)
2864 {
2865 int id;
2866 struct wpa_cred *cred, *prev;
2867
2868 /* cmd: "<cred id>", "all", "sp_fqdn=<FQDN>", or
2869 * "provisioning_sp=<FQDN> */
2870 if (os_strcmp(cmd, "all") == 0) {
2871 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2872 cred = wpa_s->conf->cred;
2873 while (cred) {
2874 prev = cred;
2875 cred = cred->next;
2876 wpas_ctrl_remove_cred(wpa_s, prev);
2877 }
2878 return 0;
2879 }
2880
2881 if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
2882 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
2883 cmd + 8);
2884 cred = wpa_s->conf->cred;
2885 while (cred) {
2886 prev = cred;
2887 cred = cred->next;
2888 if (prev->domain) {
2889 size_t i;
2890 for (i = 0; i < prev->num_domain; i++) {
2891 if (os_strcmp(prev->domain[i], cmd + 8)
2892 != 0)
2893 continue;
2894 wpas_ctrl_remove_cred(wpa_s, prev);
2895 break;
2896 }
2897 }
2898 }
2899 return 0;
2900 }
2901
2902 if (os_strncmp(cmd, "provisioning_sp=", 16) == 0) {
2903 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED provisioning SP FQDN '%s'",
2904 cmd + 16);
2905 cred = wpa_s->conf->cred;
2906 while (cred) {
2907 prev = cred;
2908 cred = cred->next;
2909 if (prev->provisioning_sp &&
2910 os_strcmp(prev->provisioning_sp, cmd + 16) == 0)
2911 wpas_ctrl_remove_cred(wpa_s, prev);
2912 }
2913 return 0;
2914 }
2915
2916 id = atoi(cmd);
2917 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2918
2919 cred = wpa_config_get_cred(wpa_s->conf, id);
2920 return wpas_ctrl_remove_cred(wpa_s, cred);
2921 }
2922
2923
2924 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2925 char *cmd)
2926 {
2927 int id;
2928 struct wpa_cred *cred;
2929 char *name, *value;
2930
2931 /* cmd: "<cred id> <variable name> <value>" */
2932 name = os_strchr(cmd, ' ');
2933 if (name == NULL)
2934 return -1;
2935 *name++ = '\0';
2936
2937 value = os_strchr(name, ' ');
2938 if (value == NULL)
2939 return -1;
2940 *value++ = '\0';
2941
2942 id = atoi(cmd);
2943 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2944 id, name);
2945 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2946 (u8 *) value, os_strlen(value));
2947
2948 cred = wpa_config_get_cred(wpa_s->conf, id);
2949 if (cred == NULL) {
2950 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2951 id);
2952 return -1;
2953 }
2954
2955 if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2956 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2957 "variable '%s'", name);
2958 return -1;
2959 }
2960
2961 wpa_msg(wpa_s, MSG_INFO, CRED_MODIFIED "%d %s", cred->id, name);
2962
2963 return 0;
2964 }
2965
2966
2967 static int wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant *wpa_s,
2968 char *cmd, char *buf,
2969 size_t buflen)
2970 {
2971 int id;
2972 size_t res;
2973 struct wpa_cred *cred;
2974 char *name, *value;
2975
2976 /* cmd: "<cred id> <variable name>" */
2977 name = os_strchr(cmd, ' ');
2978 if (name == NULL)
2979 return -1;
2980 *name++ = '\0';
2981
2982 id = atoi(cmd);
2983 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CRED id=%d name='%s'",
2984 id, name);
2985
2986 cred = wpa_config_get_cred(wpa_s->conf, id);
2987 if (cred == NULL) {
2988 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2989 id);
2990 return -1;
2991 }
2992
2993 value = wpa_config_get_cred_no_key(cred, name);
2994 if (value == NULL) {
2995 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get cred variable '%s'",
2996 name);
2997 return -1;
2998 }
2999
3000 res = os_strlcpy(buf, value, buflen);
3001 if (res >= buflen) {
3002 os_free(value);
3003 return -1;
3004 }
3005
3006 os_free(value);
3007
3008 return res;
3009 }
3010
3011
3012 #ifndef CONFIG_NO_CONFIG_WRITE
3013 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
3014 {
3015 int ret;
3016
3017 if (!wpa_s->conf->update_config) {
3018 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
3019 "to update configuration (update_config=0)");
3020 return -1;
3021 }
3022
3023 ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
3024 if (ret) {
3025 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
3026 "update configuration");
3027 } else {
3028 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
3029 " updated");
3030 }
3031
3032 return ret;
3033 }
3034 #endif /* CONFIG_NO_CONFIG_WRITE */
3035
3036
3037 struct cipher_info {
3038 unsigned int capa;
3039 const char *name;
3040 int group_only;
3041 };
3042
3043 static const struct cipher_info ciphers[] = {
3044 { WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
3045 { WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
3046 { WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
3047 { WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
3048 { WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
3049 { WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
3050 { WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
3051 { WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
3052 };
3053
3054
3055 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
3056 struct wpa_driver_capa *capa,
3057 char *buf, size_t buflen)
3058 {
3059 int ret;
3060 char *pos, *end;
3061 size_t len;
3062 unsigned int i;
3063
3064 pos = buf;
3065 end = pos + buflen;
3066
3067 if (res < 0) {
3068 if (strict)
3069 return 0;
3070 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
3071 if (len >= buflen)
3072 return -1;
3073 return len;
3074 }
3075
3076 for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3077 if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
3078 ret = os_snprintf(pos, end - pos, "%s%s",
3079 pos == buf ? "" : " ",
3080 ciphers[i].name);
3081 if (ret < 0 || ret >= end - pos)
3082 return pos - buf;
3083 pos += ret;
3084 }
3085 }
3086
3087 return pos - buf;
3088 }
3089
3090
3091 static int ctrl_iface_get_capability_group(int res, char *strict,
3092 struct wpa_driver_capa *capa,
3093 char *buf, size_t buflen)
3094 {
3095 int ret;
3096 char *pos, *end;
3097 size_t len;
3098 unsigned int i;
3099
3100 pos = buf;
3101 end = pos + buflen;
3102
3103 if (res < 0) {
3104 if (strict)
3105 return 0;
3106 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
3107 if (len >= buflen)
3108 return -1;
3109 return len;
3110 }
3111
3112 for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3113 if (capa->enc & ciphers[i].capa) {
3114 ret = os_snprintf(pos, end - pos, "%s%s",
3115 pos == buf ? "" : " ",
3116 ciphers[i].name);
3117 if (ret < 0 || ret >= end - pos)
3118 return pos - buf;
3119 pos += ret;
3120 }
3121 }
3122
3123 return pos - buf;
3124 }
3125
3126
3127 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
3128 struct wpa_driver_capa *capa,
3129 char *buf, size_t buflen)
3130 {
3131 int ret;
3132 char *pos, *end;
3133 size_t len;
3134
3135 pos = buf;
3136 end = pos + buflen;
3137
3138 if (res < 0) {
3139 if (strict)
3140 return 0;
3141 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
3142 "NONE", buflen);
3143 if (len >= buflen)
3144 return -1;
3145 return len;
3146 }
3147
3148 ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
3149 if (ret < 0 || ret >= end - pos)
3150 return pos - buf;
3151 pos += ret;
3152
3153 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3154 WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
3155 ret = os_snprintf(pos, end - pos, " WPA-EAP");
3156 if (ret < 0 || ret >= end - pos)
3157 return pos - buf;
3158 pos += ret;
3159 }
3160
3161 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3162 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3163 ret = os_snprintf(pos, end - pos, " WPA-PSK");
3164 if (ret < 0 || ret >= end - pos)
3165 return pos - buf;
3166 pos += ret;
3167 }
3168
3169 if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
3170 ret = os_snprintf(pos, end - pos, " WPA-NONE");
3171 if (ret < 0 || ret >= end - pos)
3172 return pos - buf;
3173 pos += ret;
3174 }
3175
3176 return pos - buf;
3177 }
3178
3179
3180 static int ctrl_iface_get_capability_proto(int res, char *strict,
3181 struct wpa_driver_capa *capa,
3182 char *buf, size_t buflen)
3183 {
3184 int ret;
3185 char *pos, *end;
3186 size_t len;
3187
3188 pos = buf;
3189 end = pos + buflen;
3190
3191 if (res < 0) {
3192 if (strict)
3193 return 0;
3194 len = os_strlcpy(buf, "RSN WPA", buflen);
3195 if (len >= buflen)
3196 return -1;
3197 return len;
3198 }
3199
3200 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3201 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3202 ret = os_snprintf(pos, end - pos, "%sRSN",
3203 pos == buf ? "" : " ");
3204 if (ret < 0 || ret >= end - pos)
3205 return pos - buf;
3206 pos += ret;
3207 }
3208
3209 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3210 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
3211 ret = os_snprintf(pos, end - pos, "%sWPA",
3212 pos == buf ? "" : " ");
3213 if (ret < 0 || ret >= end - pos)
3214 return pos - buf;
3215 pos += ret;
3216 }
3217
3218 return pos - buf;
3219 }
3220
3221
3222 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
3223 struct wpa_driver_capa *capa,
3224 char *buf, size_t buflen)
3225 {
3226 int ret;
3227 char *pos, *end;
3228 size_t len;
3229
3230 pos = buf;
3231 end = pos + buflen;
3232
3233 if (res < 0) {
3234 if (strict)
3235 return 0;
3236 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3237 if (len >= buflen)
3238 return -1;
3239 return len;
3240 }
3241
3242 if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3243 ret = os_snprintf(pos, end - pos, "%sOPEN",
3244 pos == buf ? "" : " ");
3245 if (ret < 0 || ret >= end - pos)
3246 return pos - buf;
3247 pos += ret;
3248 }
3249
3250 if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
3251 ret = os_snprintf(pos, end - pos, "%sSHARED",
3252 pos == buf ? "" : " ");
3253 if (ret < 0 || ret >= end - pos)
3254 return pos - buf;
3255 pos += ret;
3256 }
3257
3258 if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3259 ret = os_snprintf(pos, end - pos, "%sLEAP",
3260 pos == buf ? "" : " ");
3261 if (ret < 0 || ret >= end - pos)
3262 return pos - buf;
3263 pos += ret;
3264 }
3265
3266 return pos - buf;
3267 }
3268
3269
3270 static int ctrl_iface_get_capability_modes(int res, char *strict,
3271 struct wpa_driver_capa *capa,
3272 char *buf, size_t buflen)
3273 {
3274 int ret;
3275 char *pos, *end;
3276 size_t len;
3277
3278 pos = buf;
3279 end = pos + buflen;
3280
3281 if (res < 0) {
3282 if (strict)
3283 return 0;
3284 len = os_strlcpy(buf, "IBSS AP", buflen);
3285 if (len >= buflen)
3286 return -1;
3287 return len;
3288 }
3289
3290 if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3291 ret = os_snprintf(pos, end - pos, "%sIBSS",
3292 pos == buf ? "" : " ");
3293 if (ret < 0 || ret >= end - pos)
3294 return pos - buf;
3295 pos += ret;
3296 }
3297
3298 if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3299 ret = os_snprintf(pos, end - pos, "%sAP",
3300 pos == buf ? "" : " ");
3301 if (ret < 0 || ret >= end - pos)
3302 return pos - buf;
3303 pos += ret;
3304 }
3305
3306 return pos - buf;
3307 }
3308
3309
3310 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3311 char *buf, size_t buflen)
3312 {
3313 struct hostapd_channel_data *chnl;
3314 int ret, i, j;
3315 char *pos, *end, *hmode;
3316
3317 pos = buf;
3318 end = pos + buflen;
3319
3320 for (j = 0; j < wpa_s->hw.num_modes; j++) {
3321 switch (wpa_s->hw.modes[j].mode) {
3322 case HOSTAPD_MODE_IEEE80211B:
3323 hmode = "B";
3324 break;
3325 case HOSTAPD_MODE_IEEE80211G:
3326 hmode = "G";
3327 break;
3328 case HOSTAPD_MODE_IEEE80211A:
3329 hmode = "A";
3330 break;
3331 case HOSTAPD_MODE_IEEE80211AD:
3332 hmode = "AD";
3333 break;
3334 default:
3335 continue;
3336 }
3337 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3338 if (ret < 0 || ret >= end - pos)
3339 return pos - buf;
3340 pos += ret;
3341 chnl = wpa_s->hw.modes[j].channels;
3342 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3343 if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3344 continue;
3345 ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3346 if (ret < 0 || ret >= end - pos)
3347 return pos - buf;
3348 pos += ret;
3349 }
3350 ret = os_snprintf(pos, end - pos, "\n");
3351 if (ret < 0 || ret >= end - pos)
3352 return pos - buf;
3353 pos += ret;
3354 }
3355
3356 return pos - buf;
3357 }
3358
3359
3360 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3361 char *buf, size_t buflen)
3362 {
3363 struct hostapd_channel_data *chnl;
3364 int ret, i, j;
3365 char *pos, *end, *hmode;
3366
3367 pos = buf;
3368 end = pos + buflen;
3369
3370 for (j = 0; j < wpa_s->hw.num_modes; j++) {
3371 switch (wpa_s->hw.modes[j].mode) {
3372 case HOSTAPD_MODE_IEEE80211B:
3373 hmode = "B";
3374 break;
3375 case HOSTAPD_MODE_IEEE80211G:
3376 hmode = "G";
3377 break;
3378 case HOSTAPD_MODE_IEEE80211A:
3379 hmode = "A";
3380 break;
3381 case HOSTAPD_MODE_IEEE80211AD:
3382 hmode = "AD";
3383 break;
3384 default:
3385 continue;
3386 }
3387 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3388 hmode);
3389 if (ret < 0 || ret >= end - pos)
3390 return pos - buf;
3391 pos += ret;
3392 chnl = wpa_s->hw.modes[j].channels;
3393 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3394 if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3395 continue;
3396 ret = os_snprintf(pos, end - pos, " %d = %d MHz%s%s\n",
3397 chnl[i].chan, chnl[i].freq,
3398 chnl[i].flag & HOSTAPD_CHAN_NO_IR ?
3399 " (NO_IR)" : "",
3400 chnl[i].flag & HOSTAPD_CHAN_RADAR ?
3401 " (DFS)" : "");
3402
3403 if (ret < 0 || ret >= end - pos)
3404 return pos - buf;
3405 pos += ret;
3406 }
3407 ret = os_snprintf(pos, end - pos, "\n");
3408 if (ret < 0 || ret >= end - pos)
3409 return pos - buf;
3410 pos += ret;
3411 }
3412
3413 return pos - buf;
3414 }
3415
3416
3417 static int wpa_supplicant_ctrl_iface_get_capability(
3418 struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3419 size_t buflen)
3420 {
3421 struct wpa_driver_capa capa;
3422 int res;
3423 char *strict;
3424 char field[30];
3425 size_t len;
3426
3427 /* Determine whether or not strict checking was requested */
3428 len = os_strlcpy(field, _field, sizeof(field));
3429 if (len >= sizeof(field))
3430 return -1;
3431 strict = os_strchr(field, ' ');
3432 if (strict != NULL) {
3433 *strict++ = '\0';
3434 if (os_strcmp(strict, "strict") != 0)
3435 return -1;
3436 }
3437
3438 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3439 field, strict ? strict : "");
3440
3441 if (os_strcmp(field, "eap") == 0) {
3442 return eap_get_names(buf, buflen);
3443 }
3444
3445 res = wpa_drv_get_capa(wpa_s, &capa);
3446
3447 if (os_strcmp(field, "pairwise") == 0)
3448 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3449 buf, buflen);
3450
3451 if (os_strcmp(field, "group") == 0)
3452 return ctrl_iface_get_capability_group(res, strict, &capa,
3453 buf, buflen);
3454
3455 if (os_strcmp(field, "key_mgmt") == 0)
3456 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3457 buf, buflen);
3458
3459 if (os_strcmp(field, "proto") == 0)
3460 return ctrl_iface_get_capability_proto(res, strict, &capa,
3461 buf, buflen);
3462
3463 if (os_strcmp(field, "auth_alg") == 0)
3464 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
3465 buf, buflen);
3466
3467 if (os_strcmp(field, "modes") == 0)
3468 return ctrl_iface_get_capability_modes(res, strict, &capa,
3469 buf, buflen);
3470
3471 if (os_strcmp(field, "channels") == 0)
3472 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3473
3474 if (os_strcmp(field, "freq") == 0)
3475 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3476
3477 #ifdef CONFIG_TDLS
3478 if (os_strcmp(field, "tdls") == 0)
3479 return ctrl_iface_get_capability_tdls(wpa_s, buf, buflen);
3480 #endif /* CONFIG_TDLS */
3481
3482 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3483 field);
3484
3485 return -1;
3486 }
3487
3488
3489 #ifdef CONFIG_INTERWORKING
3490 static char * anqp_add_hex(char *pos, char *end, const char *title,
3491 struct wpabuf *data)
3492 {
3493 char *start = pos;
3494 size_t i;
3495 int ret;
3496 const u8 *d;
3497
3498 if (data == NULL)
3499 return start;
3500
3501 ret = os_snprintf(pos, end - pos, "%s=", title);
3502 if (ret < 0 || ret >= end - pos)
3503 return start;
3504 pos += ret;
3505
3506 d = wpabuf_head_u8(data);
3507 for (i = 0; i < wpabuf_len(data); i++) {
3508 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3509 if (ret < 0 || ret >= end - pos)
3510 return start;
3511 pos += ret;
3512 }
3513
3514 ret = os_snprintf(pos, end - pos, "\n");
3515 if (ret < 0 || ret >= end - pos)
3516 return start;
3517 pos += ret;
3518
3519 return pos;
3520 }
3521 #endif /* CONFIG_INTERWORKING */
3522
3523
3524 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3525 unsigned long mask, char *buf, size_t buflen)
3526 {
3527 size_t i;
3528 int ret;
3529 char *pos, *end;
3530 const u8 *ie, *ie2;
3531
3532 pos = buf;
3533 end = buf + buflen;
3534
3535 if (mask & WPA_BSS_MASK_ID) {
3536 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3537 if (ret < 0 || ret >= end - pos)
3538 return 0;
3539 pos += ret;
3540 }
3541
3542 if (mask & WPA_BSS_MASK_BSSID) {
3543 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3544 MAC2STR(bss->bssid));
3545 if (ret < 0 || ret >= end - pos)
3546 return 0;
3547 pos += ret;
3548 }
3549
3550 if (mask & WPA_BSS_MASK_FREQ) {
3551 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
3552 if (ret < 0 || ret >= end - pos)
3553 return 0;
3554 pos += ret;
3555 }
3556
3557 if (mask & WPA_BSS_MASK_BEACON_INT) {
3558 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
3559 bss->beacon_int);
3560 if (ret < 0 || ret >= end - pos)
3561 return 0;
3562 pos += ret;
3563 }
3564
3565 if (mask & WPA_BSS_MASK_CAPABILITIES) {
3566 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
3567 bss->caps);
3568 if (ret < 0 || ret >= end - pos)
3569 return 0;
3570 pos += ret;
3571 }
3572
3573 if (mask & WPA_BSS_MASK_QUAL) {
3574 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
3575 if (ret < 0 || ret >= end - pos)
3576 return 0;
3577 pos += ret;
3578 }
3579
3580 if (mask & WPA_BSS_MASK_NOISE) {
3581 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3582 if (ret < 0 || ret >= end - pos)
3583 return 0;
3584 pos += ret;
3585 }
3586
3587 if (mask & WPA_BSS_MASK_LEVEL) {
3588 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3589 if (ret < 0 || ret >= end - pos)
3590 return 0;
3591 pos += ret;
3592 }
3593
3594 if (mask & WPA_BSS_MASK_TSF) {
3595 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
3596 (unsigned long long) bss->tsf);
3597 if (ret < 0 || ret >= end - pos)
3598 return 0;
3599 pos += ret;
3600 }
3601
3602 if (mask & WPA_BSS_MASK_AGE) {
3603 struct os_reltime now;
3604
3605 os_get_reltime(&now);
3606 ret = os_snprintf(pos, end - pos, "age=%d\n",
3607 (int) (now.sec - bss->last_update.sec));
3608 if (ret < 0 || ret >= end - pos)
3609 return 0;
3610 pos += ret;
3611 }
3612
3613 if (mask & WPA_BSS_MASK_IE) {
3614 ret = os_snprintf(pos, end - pos, "ie=");
3615 if (ret < 0 || ret >= end - pos)
3616 return 0;
3617 pos += ret;
3618
3619 ie = (const u8 *) (bss + 1);
3620 for (i = 0; i < bss->ie_len; i++) {
3621 ret = os_snprintf(pos, end - pos, "%02x", *ie++);
3622 if (ret < 0 || ret >= end - pos)
3623 return 0;
3624 pos += ret;
3625 }
3626
3627 ret = os_snprintf(pos, end - pos, "\n");
3628 if (ret < 0 || ret >= end - pos)
3629 return 0;
3630 pos += ret;
3631 }
3632
3633 if (mask & WPA_BSS_MASK_FLAGS) {
3634 ret = os_snprintf(pos, end - pos, "flags=");
3635 if (ret < 0 || ret >= end - pos)
3636 return 0;
3637 pos += ret;
3638
3639 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
3640 if (ie)
3641 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
3642 2 + ie[1]);
3643 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
3644 if (ie2)
3645 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
3646 2 + ie2[1]);
3647 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
3648 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3649 ret = os_snprintf(pos, end - pos, "[WEP]");
3650 if (ret < 0 || ret >= end - pos)
3651 return 0;
3652 pos += ret;
3653 }
3654 if (bss_is_dmg(bss)) {
3655 const char *s;
3656 ret = os_snprintf(pos, end - pos, "[DMG]");
3657 if (ret < 0 || ret >= end - pos)
3658 return 0;
3659 pos += ret;
3660 switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
3661 case IEEE80211_CAP_DMG_IBSS:
3662 s = "[IBSS]";
3663 break;
3664 case IEEE80211_CAP_DMG_AP:
3665 s = "[ESS]";
3666 break;
3667 case IEEE80211_CAP_DMG_PBSS:
3668 s = "[PBSS]";
3669 break;
3670 default:
3671 s = "";
3672 break;
3673 }
3674 ret = os_snprintf(pos, end - pos, "%s", s);
3675 if (ret < 0 || ret >= end - pos)
3676 return 0;
3677 pos += ret;
3678 } else {
3679 if (bss->caps & IEEE80211_CAP_IBSS) {
3680 ret = os_snprintf(pos, end - pos, "[IBSS]");
3681 if (ret < 0 || ret >= end - pos)
3682 return 0;
3683 pos += ret;
3684 }
3685 if (bss->caps & IEEE80211_CAP_ESS) {
3686 ret = os_snprintf(pos, end - pos, "[ESS]");
3687 if (ret < 0 || ret >= end - pos)
3688 return 0;
3689 pos += ret;
3690 }
3691 }
3692 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
3693 wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
3694 ret = os_snprintf(pos, end - pos, "[P2P]");
3695 if (ret < 0 || ret >= end - pos)
3696 return 0;
3697 pos += ret;
3698 }
3699 #ifdef CONFIG_HS20
3700 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3701 ret = os_snprintf(pos, end - pos, "[HS20]");
3702 if (ret < 0 || ret >= end - pos)
3703 return 0;
3704 pos += ret;
3705 }
3706 #endif /* CONFIG_HS20 */
3707
3708 ret = os_snprintf(pos, end - pos, "\n");
3709 if (ret < 0 || ret >= end - pos)
3710 return 0;
3711 pos += ret;
3712 }
3713
3714 if (mask & WPA_BSS_MASK_SSID) {
3715 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3716 wpa_ssid_txt(bss->ssid, bss->ssid_len));
3717 if (ret < 0 || ret >= end - pos)
3718 return 0;
3719 pos += ret;
3720 }
3721
3722 #ifdef CONFIG_WPS
3723 if (mask & WPA_BSS_MASK_WPS_SCAN) {
3724 ie = (const u8 *) (bss + 1);
3725 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3726 if (ret < 0 || ret >= end - pos)
3727 return 0;
3728 pos += ret;
3729 }
3730 #endif /* CONFIG_WPS */
3731
3732 #ifdef CONFIG_P2P
3733 if (mask & WPA_BSS_MASK_P2P_SCAN) {
3734 ie = (const u8 *) (bss + 1);
3735 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3736 if (ret < 0 || ret >= end - pos)
3737 return 0;
3738 pos += ret;
3739 }
3740 #endif /* CONFIG_P2P */
3741
3742 #ifdef CONFIG_WIFI_DISPLAY
3743 if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3744 struct wpabuf *wfd;
3745 ie = (const u8 *) (bss + 1);
3746 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3747 WFD_IE_VENDOR_TYPE);
3748 if (wfd) {
3749 ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3750 if (ret < 0 || ret >= end - pos) {
3751 wpabuf_free(wfd);
3752 return 0;
3753 }
3754 pos += ret;
3755
3756 pos += wpa_snprintf_hex(pos, end - pos,
3757 wpabuf_head(wfd),
3758 wpabuf_len(wfd));
3759 wpabuf_free(wfd);
3760
3761 ret = os_snprintf(pos, end - pos, "\n");
3762 if (ret < 0 || ret >= end - pos)
3763 return 0;
3764 pos += ret;
3765 }
3766 }
3767 #endif /* CONFIG_WIFI_DISPLAY */
3768
3769 #ifdef CONFIG_INTERWORKING
3770 if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3771 struct wpa_bss_anqp *anqp = bss->anqp;
3772 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3773 anqp->venue_name);
3774 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3775 anqp->network_auth_type);
3776 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3777 anqp->roaming_consortium);
3778 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3779 anqp->ip_addr_type_availability);
3780 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3781 anqp->nai_realm);
3782 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3783 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3784 anqp->domain_name);
3785 #ifdef CONFIG_HS20
3786 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3787 anqp->hs20_operator_friendly_name);
3788 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3789 anqp->hs20_wan_metrics);
3790 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3791 anqp->hs20_connection_capability);
3792 pos = anqp_add_hex(pos, end, "hs20_operating_class",
3793 anqp->hs20_operating_class);
3794 pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
3795 anqp->hs20_osu_providers_list);
3796 #endif /* CONFIG_HS20 */
3797 }
3798 #endif /* CONFIG_INTERWORKING */
3799
3800 if (mask & WPA_BSS_MASK_DELIM) {
3801 ret = os_snprintf(pos, end - pos, "====\n");
3802 if (ret < 0 || ret >= end - pos)
3803 return 0;
3804 pos += ret;
3805 }
3806
3807 return pos - buf;
3808 }
3809
3810
3811 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3812 const char *cmd, char *buf,
3813 size_t buflen)
3814 {
3815 u8 bssid[ETH_ALEN];
3816 size_t i;
3817 struct wpa_bss *bss;
3818 struct wpa_bss *bsslast = NULL;
3819 struct dl_list *next;
3820 int ret = 0;
3821 int len;
3822 char *ctmp;
3823 unsigned long mask = WPA_BSS_MASK_ALL;
3824
3825 if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3826 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3827 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3828 list_id);
3829 bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3830 list_id);
3831 } else { /* N1-N2 */
3832 unsigned int id1, id2;
3833
3834 if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3835 wpa_printf(MSG_INFO, "Wrong BSS range "
3836 "format");
3837 return 0;
3838 }
3839
3840 if (*(cmd + 6) == '-')
3841 id1 = 0;
3842 else
3843 id1 = atoi(cmd + 6);
3844 ctmp++;
3845 if (*ctmp >= '0' && *ctmp <= '9')
3846 id2 = atoi(ctmp);
3847 else
3848 id2 = (unsigned int) -1;
3849 bss = wpa_bss_get_id_range(wpa_s, id1, id2);
3850 if (id2 == (unsigned int) -1)
3851 bsslast = dl_list_last(&wpa_s->bss_id,
3852 struct wpa_bss,
3853 list_id);
3854 else {
3855 bsslast = wpa_bss_get_id(wpa_s, id2);
3856 if (bsslast == NULL && bss && id2 > id1) {
3857 struct wpa_bss *tmp = bss;
3858 for (;;) {
3859 next = tmp->list_id.next;
3860 if (next == &wpa_s->bss_id)
3861 break;
3862 tmp = dl_list_entry(
3863 next, struct wpa_bss,
3864 list_id);
3865 if (tmp->id > id2)
3866 break;
3867 bsslast = tmp;
3868 }
3869 }
3870 }
3871 }
3872 } else if (os_strncmp(cmd, "FIRST", 5) == 0)
3873 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3874 else if (os_strncmp(cmd, "LAST", 4) == 0)
3875 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
3876 else if (os_strncmp(cmd, "ID-", 3) == 0) {
3877 i = atoi(cmd + 3);
3878 bss = wpa_bss_get_id(wpa_s, i);
3879 } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3880 i = atoi(cmd + 5);
3881 bss = wpa_bss_get_id(wpa_s, i);
3882 if (bss) {
3883 next = bss->list_id.next;
3884 if (next == &wpa_s->bss_id)
3885 bss = NULL;
3886 else
3887 bss = dl_list_entry(next, struct wpa_bss,
3888 list_id);
3889 }
3890 #ifdef CONFIG_P2P
3891 } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3892 if (hwaddr_aton(cmd + 13, bssid) == 0)
3893 bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3894 else
3895 bss = NULL;
3896 #endif /* CONFIG_P2P */
3897 } else if (hwaddr_aton(cmd, bssid) == 0)
3898 bss = wpa_bss_get_bssid(wpa_s, bssid);
3899 else {
3900 struct wpa_bss *tmp;
3901 i = atoi(cmd);
3902 bss = NULL;
3903 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3904 {
3905 if (i-- == 0) {
3906 bss = tmp;
3907 break;
3908 }
3909 }
3910 }
3911
3912 if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3913 mask = strtoul(ctmp + 5, NULL, 0x10);
3914 if (mask == 0)
3915 mask = WPA_BSS_MASK_ALL;
3916 }
3917
3918 if (bss == NULL)
3919 return 0;
3920
3921 if (bsslast == NULL)
3922 bsslast = bss;
3923 do {
3924 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3925 ret += len;
3926 buf += len;
3927 buflen -= len;
3928 if (bss == bsslast) {
3929 if ((mask & WPA_BSS_MASK_DELIM) && len &&
3930 (bss == dl_list_last(&wpa_s->bss_id,
3931 struct wpa_bss, list_id)))
3932 os_snprintf(buf - 5, 5, "####\n");
3933 break;
3934 }
3935 next = bss->list_id.next;
3936 if (next == &wpa_s->bss_id)
3937 break;
3938 bss = dl_list_entry(next, struct wpa_bss, list_id);
3939 } while (bss && len);
3940
3941 return ret;
3942 }
3943
3944
3945 static int wpa_supplicant_ctrl_iface_ap_scan(
3946 struct wpa_supplicant *wpa_s, char *cmd)
3947 {
3948 int ap_scan = atoi(cmd);
3949 return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3950 }
3951
3952
3953 static int wpa_supplicant_ctrl_iface_scan_interval(
3954 struct wpa_supplicant *wpa_s, char *cmd)
3955 {
3956 int scan_int = atoi(cmd);
3957 return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3958 }
3959
3960
3961 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3962 struct wpa_supplicant *wpa_s, char *cmd)
3963 {
3964 int expire_age = atoi(cmd);
3965 return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3966 }
3967
3968
3969 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3970 struct wpa_supplicant *wpa_s, char *cmd)
3971 {
3972 int expire_count = atoi(cmd);
3973 return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3974 }
3975
3976
3977 static int wpa_supplicant_ctrl_iface_bss_flush(
3978 struct wpa_supplicant *wpa_s, char *cmd)
3979 {
3980 int flush_age = atoi(cmd);
3981
3982 if (flush_age == 0)
3983 wpa_bss_flush(wpa_s);
3984 else
3985 wpa_bss_flush_by_age(wpa_s, flush_age);
3986 return 0;
3987 }
3988
3989
3990 #ifdef CONFIG_TESTING_OPTIONS
3991 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3992 {
3993 wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3994 /* MLME-DELETEKEYS.request */
3995 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3996 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3997 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3998 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3999 #ifdef CONFIG_IEEE80211W
4000 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
4001 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
4002 #endif /* CONFIG_IEEE80211W */
4003
4004 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
4005 0);
4006 /* MLME-SETPROTECTION.request(None) */
4007 wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
4008 MLME_SETPROTECTION_PROTECT_TYPE_NONE,
4009 MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
4010 wpa_sm_drop_sa(wpa_s->wpa);
4011 }
4012 #endif /* CONFIG_TESTING_OPTIONS */
4013
4014
4015 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
4016 char *addr)
4017 {
4018 #ifdef CONFIG_NO_SCAN_PROCESSING
4019 return -1;
4020 #else /* CONFIG_NO_SCAN_PROCESSING */
4021 u8 bssid[ETH_ALEN];
4022 struct wpa_bss *bss;
4023 struct wpa_ssid *ssid = wpa_s->current_ssid;
4024
4025 if (hwaddr_aton(addr, bssid)) {
4026 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
4027 "address '%s'", addr);
4028 return -1;
4029 }
4030
4031 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
4032
4033 if (!ssid) {
4034 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
4035 "configuration known for the target AP");
4036 return -1;
4037 }
4038
4039 bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
4040 if (!bss) {
4041 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
4042 "from BSS table");
4043 return -1;
4044 }
4045
4046 /*
4047 * TODO: Find best network configuration block from configuration to
4048 * allow roaming to other networks
4049 */
4050
4051 wpa_s->reassociate = 1;
4052 wpa_supplicant_connect(wpa_s, bss, ssid);
4053
4054 return 0;
4055 #endif /* CONFIG_NO_SCAN_PROCESSING */
4056 }
4057
4058
4059 #ifdef CONFIG_P2P
4060 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
4061 {
4062 unsigned int timeout = atoi(cmd);
4063 enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
4064 u8 dev_id[ETH_ALEN], *_dev_id = NULL;
4065 u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
4066 char *pos;
4067 unsigned int search_delay;
4068
4069 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4070 wpa_dbg(wpa_s, MSG_INFO,
4071 "Reject P2P_FIND since interface is disabled");
4072 return -1;
4073 }
4074 if (os_strstr(cmd, "type=social"))
4075 type = P2P_FIND_ONLY_SOCIAL;
4076 else if (os_strstr(cmd, "type=progressive"))
4077 type = P2P_FIND_PROGRESSIVE;
4078
4079 pos = os_strstr(cmd, "dev_id=");
4080 if (pos) {
4081 pos += 7;
4082 if (hwaddr_aton(pos, dev_id))
4083 return -1;
4084 _dev_id = dev_id;
4085 }
4086
4087 pos = os_strstr(cmd, "dev_type=");
4088 if (pos) {
4089 pos += 9;
4090 if (wps_dev_type_str2bin(pos, dev_type) < 0)
4091 return -1;
4092 _dev_type = dev_type;
4093 }
4094
4095 pos = os_strstr(cmd, "delay=");
4096 if (pos) {
4097 pos += 6;
4098 search_delay = atoi(pos);
4099 } else
4100 search_delay = wpas_p2p_search_delay(wpa_s);
4101
4102 return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
4103 _dev_id, search_delay);
4104 }
4105
4106
4107 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
4108 char *buf, size_t buflen)
4109 {
4110 u8 addr[ETH_ALEN];
4111 char *pos, *pos2;
4112 char *pin = NULL;
4113 enum p2p_wps_method wps_method;
4114 int new_pin;
4115 int ret;
4116 int persistent_group, persistent_id = -1;
4117 int join;
4118 int auth;
4119 int automatic;
4120 int go_intent = -1;
4121 int freq = 0;
4122 int pd;
4123 int ht40, vht;
4124
4125 /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
4126 * [persistent|persistent=<network id>]
4127 * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
4128 * [ht40] [vht] */
4129
4130 if (hwaddr_aton(cmd, addr))
4131 return -1;
4132
4133 pos = cmd + 17;
4134 if (*pos != ' ')
4135 return -1;
4136 pos++;
4137
4138 persistent_group = os_strstr(pos, " persistent") != NULL;
4139 pos2 = os_strstr(pos, " persistent=");
4140 if (pos2) {
4141 struct wpa_ssid *ssid;
4142 persistent_id = atoi(pos2 + 12);
4143 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
4144 if (ssid == NULL || ssid->disabled != 2 ||
4145 ssid->mode != WPAS_MODE_P2P_GO) {
4146 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
4147 "SSID id=%d for persistent P2P group (GO)",
4148 persistent_id);
4149 return -1;
4150 }
4151 }
4152 join = os_strstr(pos, " join") != NULL;
4153 auth = os_strstr(pos, " auth") != NULL;
4154 automatic = os_strstr(pos, " auto") != NULL;
4155 pd = os_strstr(pos, " provdisc") != NULL;
4156 vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4157 ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4158 vht;
4159
4160 pos2 = os_strstr(pos, " go_intent=");
4161 if (pos2) {
4162 pos2 += 11;
4163 go_intent = atoi(pos2);
4164 if (go_intent < 0 || go_intent > 15)
4165 return -1;
4166 }
4167
4168 pos2 = os_strstr(pos, " freq=");
4169 if (pos2) {
4170 pos2 += 6;
4171 freq = atoi(pos2);
4172 if (freq <= 0)
4173 return -1;
4174 }
4175
4176 if (os_strncmp(pos, "pin", 3) == 0) {
4177 /* Request random PIN (to be displayed) and enable the PIN */
4178 wps_method = WPS_PIN_DISPLAY;
4179 } else if (os_strncmp(pos, "pbc", 3) == 0) {
4180 wps_method = WPS_PBC;
4181 } else {
4182 pin = pos;
4183 pos = os_strchr(pin, ' ');
4184 wps_method = WPS_PIN_KEYPAD;
4185 if (pos) {
4186 *pos++ = '\0';
4187 if (os_strncmp(pos, "display", 7) == 0)
4188 wps_method = WPS_PIN_DISPLAY;
4189 }
4190 if (!wps_pin_str_valid(pin)) {
4191 os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
4192 return 17;
4193 }
4194 }
4195
4196 new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
4197 persistent_group, automatic, join,
4198 auth, go_intent, freq, persistent_id, pd,
4199 ht40, vht);
4200 if (new_pin == -2) {
4201 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
4202 return 25;
4203 }
4204 if (new_pin == -3) {
4205 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
4206 return 25;
4207 }
4208 if (new_pin < 0)
4209 return -1;
4210 if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
4211 ret = os_snprintf(buf, buflen, "%08d", new_pin);
4212 if (ret < 0 || (size_t) ret >= buflen)
4213 return -1;
4214 return ret;
4215 }
4216
4217 os_memcpy(buf, "OK\n", 3);
4218 return 3;
4219 }
4220
4221
4222 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
4223 {
4224 unsigned int timeout = atoi(cmd);
4225 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4226 wpa_dbg(wpa_s, MSG_INFO,
4227 "Reject P2P_LISTEN since interface is disabled");
4228 return -1;
4229 }
4230 return wpas_p2p_listen(wpa_s, timeout);
4231 }
4232
4233
4234 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
4235 {
4236 u8 addr[ETH_ALEN];
4237 char *pos;
4238 enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
4239
4240 /* <addr> <config method> [join|auto] */
4241
4242 if (hwaddr_aton(cmd, addr))
4243 return -1;
4244
4245 pos = cmd + 17;
4246 if (*pos != ' ')
4247 return -1;
4248 pos++;
4249
4250 if (os_strstr(pos, " join") != NULL)
4251 use = WPAS_P2P_PD_FOR_JOIN;
4252 else if (os_strstr(pos, " auto") != NULL)
4253 use = WPAS_P2P_PD_AUTO;
4254
4255 return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
4256 }
4257
4258
4259 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
4260 size_t buflen)
4261 {
4262 struct wpa_ssid *ssid = wpa_s->current_ssid;
4263
4264 if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
4265 ssid->passphrase == NULL)
4266 return -1;
4267
4268 os_strlcpy(buf, ssid->passphrase, buflen);
4269 return os_strlen(buf);
4270 }
4271
4272
4273 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
4274 char *buf, size_t buflen)
4275 {
4276 u64 ref;
4277 int res;
4278 u8 dst_buf[ETH_ALEN], *dst;
4279 struct wpabuf *tlvs;
4280 char *pos;
4281 size_t len;
4282
4283 if (hwaddr_aton(cmd, dst_buf))
4284 return -1;
4285 dst = dst_buf;
4286 if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
4287 dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
4288 dst = NULL;
4289 pos = cmd + 17;
4290 if (*pos != ' ')
4291 return -1;
4292 pos++;
4293
4294 if (os_strncmp(pos, "upnp ", 5) == 0) {
4295 u8 version;
4296 pos += 5;
4297 if (hexstr2bin(pos, &version, 1) < 0)
4298 return -1;
4299 pos += 2;
4300 if (*pos != ' ')
4301 return -1;
4302 pos++;
4303 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
4304 #ifdef CONFIG_WIFI_DISPLAY
4305 } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
4306 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
4307 #endif /* CONFIG_WIFI_DISPLAY */
4308 } else {
4309 len = os_strlen(pos);
4310 if (len & 1)
4311 return -1;
4312 len /= 2;
4313 tlvs = wpabuf_alloc(len);
4314 if (tlvs == NULL)
4315 return -1;
4316 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
4317 wpabuf_free(tlvs);
4318 return -1;
4319 }
4320
4321 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
4322 wpabuf_free(tlvs);
4323 }
4324 if (ref == 0)
4325 return -1;
4326 res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
4327 if (res < 0 || (unsigned) res >= buflen)
4328 return -1;
4329 return res;
4330 }
4331
4332
4333 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
4334 char *cmd)
4335 {
4336 long long unsigned val;
4337 u64 req;
4338 if (sscanf(cmd, "%llx", &val) != 1)
4339 return -1;
4340 req = val;
4341 return wpas_p2p_sd_cancel_request(wpa_s, req);
4342 }
4343
4344
4345 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
4346 {
4347 int freq;
4348 u8 dst[ETH_ALEN];
4349 u8 dialog_token;
4350 struct wpabuf *resp_tlvs;
4351 char *pos, *pos2;
4352 size_t len;
4353
4354 pos = os_strchr(cmd, ' ');
4355 if (pos == NULL)
4356 return -1;
4357 *pos++ = '\0';
4358 freq = atoi(cmd);
4359 if (freq == 0)
4360 return -1;
4361
4362 if (hwaddr_aton(pos, dst))
4363 return -1;
4364 pos += 17;
4365 if (*pos != ' ')
4366 return -1;
4367 pos++;
4368
4369 pos2 = os_strchr(pos, ' ');
4370 if (pos2 == NULL)
4371 return -1;
4372 *pos2++ = '\0';
4373 dialog_token = atoi(pos);
4374
4375 len = os_strlen(pos2);
4376 if (len & 1)
4377 return -1;
4378 len /= 2;
4379 resp_tlvs = wpabuf_alloc(len);
4380 if (resp_tlvs == NULL)
4381 return -1;
4382 if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
4383 wpabuf_free(resp_tlvs);
4384 return -1;
4385 }
4386
4387 wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
4388 wpabuf_free(resp_tlvs);
4389 return 0;
4390 }
4391
4392
4393 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
4394 char *cmd)
4395 {
4396 if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
4397 return -1;
4398 wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
4399 return 0;
4400 }
4401
4402
4403 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
4404 char *cmd)
4405 {
4406 char *pos;
4407 size_t len;
4408 struct wpabuf *query, *resp;
4409
4410 pos = os_strchr(cmd, ' ');
4411 if (pos == NULL)
4412 return -1;
4413 *pos++ = '\0';
4414
4415 len = os_strlen(cmd);
4416 if (len & 1)
4417 return -1;
4418 len /= 2;
4419 query = wpabuf_alloc(len);
4420 if (query == NULL)
4421 return -1;
4422 if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4423 wpabuf_free(query);
4424 return -1;
4425 }
4426
4427 len = os_strlen(pos);
4428 if (len & 1) {
4429 wpabuf_free(query);
4430 return -1;
4431 }
4432 len /= 2;
4433 resp = wpabuf_alloc(len);
4434 if (resp == NULL) {
4435 wpabuf_free(query);
4436 return -1;
4437 }
4438 if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
4439 wpabuf_free(query);
4440 wpabuf_free(resp);
4441 return -1;
4442 }
4443
4444 if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
4445 wpabuf_free(query);
4446 wpabuf_free(resp);
4447 return -1;
4448 }
4449 return 0;
4450 }
4451
4452
4453 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4454 {
4455 char *pos;
4456 u8 version;
4457
4458 pos = os_strchr(cmd, ' ');
4459 if (pos == NULL)
4460 return -1;
4461 *pos++ = '\0';
4462
4463 if (hexstr2bin(cmd, &version, 1) < 0)
4464 return -1;
4465
4466 return wpas_p2p_service_add_upnp(wpa_s, version, pos);
4467 }
4468
4469
4470 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
4471 {
4472 char *pos;
4473
4474 pos = os_strchr(cmd, ' ');
4475 if (pos == NULL)
4476 return -1;
4477 *pos++ = '\0';
4478
4479 if (os_strcmp(cmd, "bonjour") == 0)
4480 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
4481 if (os_strcmp(cmd, "upnp") == 0)
4482 return p2p_ctrl_service_add_upnp(wpa_s, pos);
4483 wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4484 return -1;
4485 }
4486
4487
4488 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
4489 char *cmd)
4490 {
4491 size_t len;
4492 struct wpabuf *query;
4493 int ret;
4494
4495 len = os_strlen(cmd);
4496 if (len & 1)
4497 return -1;
4498 len /= 2;
4499 query = wpabuf_alloc(len);
4500 if (query == NULL)
4501 return -1;
4502 if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4503 wpabuf_free(query);
4504 return -1;
4505 }
4506
4507 ret = wpas_p2p_service_del_bonjour(wpa_s, query);
4508 wpabuf_free(query);
4509 return ret;
4510 }
4511
4512
4513 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4514 {
4515 char *pos;
4516 u8 version;
4517
4518 pos = os_strchr(cmd, ' ');
4519 if (pos == NULL)
4520 return -1;
4521 *pos++ = '\0';
4522
4523 if (hexstr2bin(cmd, &version, 1) < 0)
4524 return -1;
4525
4526 return wpas_p2p_service_del_upnp(wpa_s, version, pos);
4527 }
4528
4529
4530 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
4531 {
4532 char *pos;
4533
4534 pos = os_strchr(cmd, ' ');
4535 if (pos == NULL)
4536 return -1;
4537 *pos++ = '\0';
4538
4539 if (os_strcmp(cmd, "bonjour") == 0)
4540 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
4541 if (os_strcmp(cmd, "upnp") == 0)
4542 return p2p_ctrl_service_del_upnp(wpa_s, pos);
4543 wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4544 return -1;
4545 }
4546
4547
4548 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
4549 {
4550 u8 addr[ETH_ALEN];
4551
4552 /* <addr> */
4553
4554 if (hwaddr_aton(cmd, addr))
4555 return -1;
4556
4557 return wpas_p2p_reject(wpa_s, addr);
4558 }
4559
4560
4561 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
4562 {
4563 char *pos;
4564 int id;
4565 struct wpa_ssid *ssid;
4566 u8 *_peer = NULL, peer[ETH_ALEN];
4567 int freq = 0, pref_freq = 0;
4568 int ht40, vht;
4569
4570 id = atoi(cmd);
4571 pos = os_strstr(cmd, " peer=");
4572 if (pos) {
4573 pos += 6;
4574 if (hwaddr_aton(pos, peer))
4575 return -1;
4576 _peer = peer;
4577 }
4578 ssid = wpa_config_get_network(wpa_s->conf, id);
4579 if (ssid == NULL || ssid->disabled != 2) {
4580 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4581 "for persistent P2P group",
4582 id);
4583 return -1;
4584 }
4585
4586 pos = os_strstr(cmd, " freq=");
4587 if (pos) {
4588 pos += 6;
4589 freq = atoi(pos);
4590 if (freq <= 0)
4591 return -1;
4592 }
4593
4594 pos = os_strstr(cmd, " pref=");
4595 if (pos) {
4596 pos += 6;
4597 pref_freq = atoi(pos);
4598 if (pref_freq <= 0)
4599 return -1;
4600 }
4601
4602 vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4603 ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4604 vht;
4605
4606 return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
4607 pref_freq);
4608 }
4609
4610
4611 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
4612 {
4613 char *pos;
4614 u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
4615
4616 pos = os_strstr(cmd, " peer=");
4617 if (!pos)
4618 return -1;
4619
4620 *pos = '\0';
4621 pos += 6;
4622 if (hwaddr_aton(pos, peer)) {
4623 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
4624 return -1;
4625 }
4626
4627 pos = os_strstr(pos, " go_dev_addr=");
4628 if (pos) {
4629 pos += 13;
4630 if (hwaddr_aton(pos, go_dev_addr)) {
4631 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
4632 pos);
4633 return -1;
4634 }
4635 go_dev = go_dev_addr;
4636 }
4637
4638 return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
4639 }
4640
4641
4642 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
4643 {
4644 if (os_strncmp(cmd, "persistent=", 11) == 0)
4645 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
4646 if (os_strncmp(cmd, "group=", 6) == 0)
4647 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
4648
4649 return -1;
4650 }
4651
4652
4653 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
4654 char *cmd, int freq, int ht40,
4655 int vht)
4656 {
4657 int id;
4658 struct wpa_ssid *ssid;
4659
4660 id = atoi(cmd);
4661 ssid = wpa_config_get_network(wpa_s->conf, id);
4662 if (ssid == NULL || ssid->disabled != 2) {
4663 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4664 "for persistent P2P group",
4665 id);
4666 return -1;
4667 }
4668
4669 return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, 0, ht40, vht,
4670 NULL, 0);
4671 }
4672
4673
4674 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
4675 {
4676 int freq = 0, ht40, vht;
4677 char *pos;
4678
4679 pos = os_strstr(cmd, "freq=");
4680 if (pos)
4681 freq = atoi(pos + 5);
4682
4683 vht = (os_strstr(cmd, "vht") != NULL) || wpa_s->conf->p2p_go_vht;
4684 ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4685 vht;
4686
4687 if (os_strncmp(cmd, "persistent=", 11) == 0)
4688 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
4689 ht40, vht);
4690 if (os_strcmp(cmd, "persistent") == 0 ||
4691 os_strncmp(cmd, "persistent ", 11) == 0)
4692 return wpas_p2p_group_add(wpa_s, 1, freq, ht40, vht);
4693 if (os_strncmp(cmd, "freq=", 5) == 0)
4694 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
4695 if (ht40)
4696 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
4697
4698 wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
4699 cmd);
4700 return -1;
4701 }
4702
4703
4704 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
4705 char *buf, size_t buflen)
4706 {
4707 u8 addr[ETH_ALEN], *addr_ptr;
4708 int next, res;
4709 const struct p2p_peer_info *info;
4710 char *pos, *end;
4711 char devtype[WPS_DEV_TYPE_BUFSIZE];
4712 struct wpa_ssid *ssid;
4713 size_t i;
4714
4715 if (!wpa_s->global->p2p)
4716 return -1;
4717
4718 if (os_strcmp(cmd, "FIRST") == 0) {
4719 addr_ptr = NULL;
4720 next = 0;
4721 } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4722 if (hwaddr_aton(cmd + 5, addr) < 0)
4723 return -1;
4724 addr_ptr = addr;
4725 next = 1;
4726 } else {
4727 if (hwaddr_aton(cmd, addr) < 0)
4728 return -1;
4729 addr_ptr = addr;
4730 next = 0;
4731 }
4732
4733 info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4734 if (info == NULL)
4735 return -1;
4736
4737 pos = buf;
4738 end = buf + buflen;
4739
4740 res = os_snprintf(pos, end - pos, MACSTR "\n"
4741 "pri_dev_type=%s\n"
4742 "device_name=%s\n"
4743 "manufacturer=%s\n"
4744 "model_name=%s\n"
4745 "model_number=%s\n"
4746 "serial_number=%s\n"
4747 "config_methods=0x%x\n"
4748 "dev_capab=0x%x\n"
4749 "group_capab=0x%x\n"
4750 "level=%d\n",
4751 MAC2STR(info->p2p_device_addr),
4752 wps_dev_type_bin2str(info->pri_dev_type,
4753 devtype, sizeof(devtype)),
4754 info->device_name,
4755 info->manufacturer,
4756 info->model_name,
4757 info->model_number,
4758 info->serial_number,
4759 info->config_methods,
4760 info->dev_capab,
4761 info->group_capab,
4762 info->level);
4763 if (res < 0 || res >= end - pos)
4764 return pos - buf;
4765 pos += res;
4766
4767 for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4768 {
4769 const u8 *t;
4770 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4771 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4772 wps_dev_type_bin2str(t, devtype,
4773 sizeof(devtype)));
4774 if (res < 0 || res >= end - pos)
4775 return pos - buf;
4776 pos += res;
4777 }
4778
4779 ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4780 if (ssid) {
4781 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4782 if (res < 0 || res >= end - pos)
4783 return pos - buf;
4784 pos += res;
4785 }
4786
4787 res = p2p_get_peer_info_txt(info, pos, end - pos);
4788 if (res < 0)
4789 return pos - buf;
4790 pos += res;
4791
4792 if (info->vendor_elems) {
4793 res = os_snprintf(pos, end - pos, "vendor_elems=");
4794 if (res < 0 || res >= end - pos)
4795 return pos - buf;
4796 pos += res;
4797
4798 pos += wpa_snprintf_hex(pos, end - pos,
4799 wpabuf_head(info->vendor_elems),
4800 wpabuf_len(info->vendor_elems));
4801
4802 res = os_snprintf(pos, end - pos, "\n");
4803 if (res < 0 || res >= end - pos)
4804 return pos - buf;
4805 pos += res;
4806 }
4807
4808 return pos - buf;
4809 }
4810
4811
4812 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4813 const char *param)
4814 {
4815 unsigned int i;
4816
4817 if (wpa_s->global->p2p == NULL)
4818 return -1;
4819
4820 if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
4821 return -1;
4822
4823 for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
4824 struct wpa_freq_range *freq;
4825 freq = &wpa_s->global->p2p_disallow_freq.range[i];
4826 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4827 freq->min, freq->max);
4828 }
4829
4830 wpas_p2p_update_channel_list(wpa_s);
4831 return 0;
4832 }
4833
4834
4835 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4836 {
4837 char *param;
4838
4839 if (wpa_s->global->p2p == NULL)
4840 return -1;
4841
4842 param = os_strchr(cmd, ' ');
4843 if (param == NULL)
4844 return -1;
4845 *param++ = '\0';
4846
4847 if (os_strcmp(cmd, "discoverability") == 0) {
4848 p2p_set_client_discoverability(wpa_s->global->p2p,
4849 atoi(param));
4850 return 0;
4851 }
4852
4853 if (os_strcmp(cmd, "managed") == 0) {
4854 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4855 return 0;
4856 }
4857
4858 if (os_strcmp(cmd, "listen_channel") == 0) {
4859 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4860 atoi(param), 1);
4861 }
4862
4863 if (os_strcmp(cmd, "ssid_postfix") == 0) {
4864 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4865 os_strlen(param));
4866 }
4867
4868 if (os_strcmp(cmd, "noa") == 0) {
4869 char *pos;
4870 int count, start, duration;
4871 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4872 count = atoi(param);
4873 pos = os_strchr(param, ',');
4874 if (pos == NULL)
4875 return -1;
4876 pos++;
4877 start = atoi(pos);
4878 pos = os_strchr(pos, ',');
4879 if (pos == NULL)
4880 return -1;
4881 pos++;
4882 duration = atoi(pos);
4883 if (count < 0 || count > 255 || start < 0 || duration < 0)
4884 return -1;
4885 if (count == 0 && duration > 0)
4886 return -1;
4887 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4888 "start=%d duration=%d", count, start, duration);
4889 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4890 }
4891
4892 if (os_strcmp(cmd, "ps") == 0)
4893 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4894
4895 if (os_strcmp(cmd, "oppps") == 0)
4896 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4897
4898 if (os_strcmp(cmd, "ctwindow") == 0)
4899 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4900
4901 if (os_strcmp(cmd, "disabled") == 0) {
4902 wpa_s->global->p2p_disabled = atoi(param);
4903 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4904 wpa_s->global->p2p_disabled ?
4905 "disabled" : "enabled");
4906 if (wpa_s->global->p2p_disabled) {
4907 wpas_p2p_stop_find(wpa_s);
4908 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4909 p2p_flush(wpa_s->global->p2p);
4910 }
4911 return 0;
4912 }
4913
4914 if (os_strcmp(cmd, "conc_pref") == 0) {
4915 if (os_strcmp(param, "sta") == 0)
4916 wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4917 else if (os_strcmp(param, "p2p") == 0)
4918 wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4919 else {
4920 wpa_printf(MSG_INFO, "Invalid conc_pref value");
4921 return -1;
4922 }
4923 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4924 "%s", param);
4925 return 0;
4926 }
4927
4928 if (os_strcmp(cmd, "force_long_sd") == 0) {
4929 wpa_s->force_long_sd = atoi(param);
4930 return 0;
4931 }
4932
4933 if (os_strcmp(cmd, "peer_filter") == 0) {
4934 u8 addr[ETH_ALEN];
4935 if (hwaddr_aton(param, addr))
4936 return -1;
4937 p2p_set_peer_filter(wpa_s->global->p2p, addr);
4938 return 0;
4939 }
4940
4941 if (os_strcmp(cmd, "cross_connect") == 0)
4942 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4943
4944 if (os_strcmp(cmd, "go_apsd") == 0) {
4945 if (os_strcmp(param, "disable") == 0)
4946 wpa_s->set_ap_uapsd = 0;
4947 else {
4948 wpa_s->set_ap_uapsd = 1;
4949 wpa_s->ap_uapsd = atoi(param);
4950 }
4951 return 0;
4952 }
4953
4954 if (os_strcmp(cmd, "client_apsd") == 0) {
4955 if (os_strcmp(param, "disable") == 0)
4956 wpa_s->set_sta_uapsd = 0;
4957 else {
4958 int be, bk, vi, vo;
4959 char *pos;
4960 /* format: BE,BK,VI,VO;max SP Length */
4961 be = atoi(param);
4962 pos = os_strchr(param, ',');
4963 if (pos == NULL)
4964 return -1;
4965 pos++;
4966 bk = atoi(pos);
4967 pos = os_strchr(pos, ',');
4968 if (pos == NULL)
4969 return -1;
4970 pos++;
4971 vi = atoi(pos);
4972 pos = os_strchr(pos, ',');
4973 if (pos == NULL)
4974 return -1;
4975 pos++;
4976 vo = atoi(pos);
4977 /* ignore max SP Length for now */
4978
4979 wpa_s->set_sta_uapsd = 1;
4980 wpa_s->sta_uapsd = 0;
4981 if (be)
4982 wpa_s->sta_uapsd |= BIT(0);
4983 if (bk)
4984 wpa_s->sta_uapsd |= BIT(1);
4985 if (vi)
4986 wpa_s->sta_uapsd |= BIT(2);
4987 if (vo)
4988 wpa_s->sta_uapsd |= BIT(3);
4989 }
4990 return 0;
4991 }
4992
4993 if (os_strcmp(cmd, "disallow_freq") == 0)
4994 return p2p_ctrl_disallow_freq(wpa_s, param);
4995
4996 if (os_strcmp(cmd, "disc_int") == 0) {
4997 int min_disc_int, max_disc_int, max_disc_tu;
4998 char *pos;
4999
5000 pos = param;
5001
5002 min_disc_int = atoi(pos);
5003 pos = os_strchr(pos, ' ');
5004 if (pos == NULL)
5005 return -1;
5006 *pos++ = '\0';
5007
5008 max_disc_int = atoi(pos);
5009 pos = os_strchr(pos, ' ');
5010 if (pos == NULL)
5011 return -1;
5012 *pos++ = '\0';
5013
5014 max_disc_tu = atoi(pos);
5015
5016 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
5017 max_disc_int, max_disc_tu);
5018 }
5019
5020 if (os_strcmp(cmd, "per_sta_psk") == 0) {
5021 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
5022 return 0;
5023 }
5024
5025 #ifdef CONFIG_WPS_NFC
5026 if (os_strcmp(cmd, "nfc_tag") == 0)
5027 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
5028 #endif /* CONFIG_WPS_NFC */
5029
5030 if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
5031 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
5032 return 0;
5033 }
5034
5035 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
5036 cmd);
5037
5038 return -1;
5039 }
5040
5041
5042 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
5043 {
5044 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5045 wpa_s->force_long_sd = 0;
5046 wpas_p2p_stop_find(wpa_s);
5047 if (wpa_s->global->p2p)
5048 p2p_flush(wpa_s->global->p2p);
5049 }
5050
5051
5052 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
5053 {
5054 char *pos, *pos2;
5055 unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
5056
5057 if (cmd[0]) {
5058 pos = os_strchr(cmd, ' ');
5059 if (pos == NULL)
5060 return -1;
5061 *pos++ = '\0';
5062 dur1 = atoi(cmd);
5063
5064 pos2 = os_strchr(pos, ' ');
5065 if (pos2)
5066 *pos2++ = '\0';
5067 int1 = atoi(pos);
5068 } else
5069 pos2 = NULL;
5070
5071 if (pos2) {
5072 pos = os_strchr(pos2, ' ');
5073 if (pos == NULL)
5074 return -1;
5075 *pos++ = '\0';
5076 dur2 = atoi(pos2);
5077 int2 = atoi(pos);
5078 }
5079
5080 return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
5081 }
5082
5083
5084 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
5085 {
5086 char *pos;
5087 unsigned int period = 0, interval = 0;
5088
5089 if (cmd[0]) {
5090 pos = os_strchr(cmd, ' ');
5091 if (pos == NULL)
5092 return -1;
5093 *pos++ = '\0';
5094 period = atoi(cmd);
5095 interval = atoi(pos);
5096 }
5097
5098 return wpas_p2p_ext_listen(wpa_s, period, interval);
5099 }
5100
5101
5102 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
5103 {
5104 const char *pos;
5105 u8 peer[ETH_ALEN];
5106 int iface_addr = 0;
5107
5108 pos = cmd;
5109 if (os_strncmp(pos, "iface=", 6) == 0) {
5110 iface_addr = 1;
5111 pos += 6;
5112 }
5113 if (hwaddr_aton(pos, peer))
5114 return -1;
5115
5116 wpas_p2p_remove_client(wpa_s, peer, iface_addr);
5117 return 0;
5118 }
5119
5120 #endif /* CONFIG_P2P */
5121
5122
5123 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
5124 {
5125 struct wpa_freq_range_list ranges;
5126 int *freqs = NULL;
5127 struct hostapd_hw_modes *mode;
5128 u16 i;
5129
5130 if (wpa_s->hw.modes == NULL)
5131 return NULL;
5132
5133 os_memset(&ranges, 0, sizeof(ranges));
5134 if (freq_range_list_parse(&ranges, val) < 0)
5135 return NULL;
5136
5137 for (i = 0; i < wpa_s->hw.num_modes; i++) {
5138 int j;
5139
5140 mode = &wpa_s->hw.modes[i];
5141 for (j = 0; j < mode->num_channels; j++) {
5142 unsigned int freq;
5143
5144 if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
5145 continue;
5146
5147 freq = mode->channels[j].freq;
5148 if (!freq_range_list_includes(&ranges, freq))
5149 continue;
5150
5151 int_array_add_unique(&freqs, freq);
5152 }
5153 }
5154
5155 os_free(ranges.range);
5156 return freqs;
5157 }
5158
5159
5160 #ifdef CONFIG_INTERWORKING
5161
5162 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
5163 {
5164 int auto_sel = 0;
5165 int *freqs = NULL;
5166
5167 if (param) {
5168 char *pos;
5169
5170 auto_sel = os_strstr(param, "auto") != NULL;
5171
5172 pos = os_strstr(param, "freq=");
5173 if (pos) {
5174 freqs = freq_range_to_channel_list(wpa_s, pos + 5);
5175 if (freqs == NULL)
5176 return -1;
5177 }
5178
5179 }
5180
5181 return interworking_select(wpa_s, auto_sel, freqs);
5182 }
5183
5184
5185 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
5186 {
5187 u8 bssid[ETH_ALEN];
5188 struct wpa_bss *bss;
5189
5190 if (hwaddr_aton(dst, bssid)) {
5191 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
5192 return -1;
5193 }
5194
5195 bss = wpa_bss_get_bssid(wpa_s, bssid);
5196 if (bss == NULL) {
5197 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
5198 MAC2STR(bssid));
5199 return -1;
5200 }
5201
5202 return interworking_connect(wpa_s, bss);
5203 }
5204
5205
5206 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
5207 {
5208 u8 dst_addr[ETH_ALEN];
5209 int used;
5210 char *pos;
5211 #define MAX_ANQP_INFO_ID 100
5212 u16 id[MAX_ANQP_INFO_ID];
5213 size_t num_id = 0;
5214 u32 subtypes = 0;
5215
5216 used = hwaddr_aton2(dst, dst_addr);
5217 if (used < 0)
5218 return -1;
5219 pos = dst + used;
5220 while (num_id < MAX_ANQP_INFO_ID) {
5221 if (os_strncmp(pos, "hs20:", 5) == 0) {
5222 #ifdef CONFIG_HS20
5223 int num = atoi(pos + 5);
5224 if (num <= 0 || num > 31)
5225 return -1;
5226 subtypes |= BIT(num);
5227 #else /* CONFIG_HS20 */
5228 return -1;
5229 #endif /* CONFIG_HS20 */
5230 } else {
5231 id[num_id] = atoi(pos);
5232 if (id[num_id])
5233 num_id++;
5234 }
5235 pos = os_strchr(pos + 1, ',');
5236 if (pos == NULL)
5237 break;
5238 pos++;
5239 }
5240
5241 if (num_id == 0)
5242 return -1;
5243
5244 return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes);
5245 }
5246
5247
5248 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
5249 {
5250 u8 dst_addr[ETH_ALEN];
5251 struct wpabuf *advproto, *query = NULL;
5252 int used, ret = -1;
5253 char *pos, *end;
5254 size_t len;
5255
5256 used = hwaddr_aton2(cmd, dst_addr);
5257 if (used < 0)
5258 return -1;
5259
5260 pos = cmd + used;
5261 while (*pos == ' ')
5262 pos++;
5263
5264 /* Advertisement Protocol ID */
5265 end = os_strchr(pos, ' ');
5266 if (end)
5267 len = end - pos;
5268 else
5269 len = os_strlen(pos);
5270 if (len & 0x01)
5271 return -1;
5272 len /= 2;
5273 if (len == 0)
5274 return -1;
5275 advproto = wpabuf_alloc(len);
5276 if (advproto == NULL)
5277 return -1;
5278 if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
5279 goto fail;
5280
5281 if (end) {
5282 /* Optional Query Request */
5283 pos = end + 1;
5284 while (*pos == ' ')
5285 pos++;
5286
5287 len = os_strlen(pos);
5288 if (len) {
5289 if (len & 0x01)
5290 goto fail;
5291 len /= 2;
5292 if (len == 0)
5293 goto fail;
5294 query = wpabuf_alloc(len);
5295 if (query == NULL)
5296 goto fail;
5297 if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
5298 goto fail;
5299 }
5300 }
5301
5302 ret = gas_send_request(wpa_s, dst_addr, advproto, query);
5303
5304 fail:
5305 wpabuf_free(advproto);
5306 wpabuf_free(query);
5307
5308 return ret;
5309 }
5310
5311
5312 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
5313 size_t buflen)
5314 {
5315 u8 addr[ETH_ALEN];
5316 int dialog_token;
5317 int used;
5318 char *pos;
5319 size_t resp_len, start, requested_len;
5320 struct wpabuf *resp;
5321 int ret;
5322
5323 used = hwaddr_aton2(cmd, addr);
5324 if (used < 0)
5325 return -1;
5326
5327 pos = cmd + used;
5328 while (*pos == ' ')
5329 pos++;
5330 dialog_token = atoi(pos);
5331
5332 if (wpa_s->last_gas_resp &&
5333 os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
5334 dialog_token == wpa_s->last_gas_dialog_token)
5335 resp = wpa_s->last_gas_resp;
5336 else if (wpa_s->prev_gas_resp &&
5337 os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
5338 dialog_token == wpa_s->prev_gas_dialog_token)
5339 resp = wpa_s->prev_gas_resp;
5340 else
5341 return -1;
5342
5343 resp_len = wpabuf_len(resp);
5344 start = 0;
5345 requested_len = resp_len;
5346
5347 pos = os_strchr(pos, ' ');
5348 if (pos) {
5349 start = atoi(pos);
5350 if (start > resp_len)
5351 return os_snprintf(buf, buflen, "FAIL-Invalid range");
5352 pos = os_strchr(pos, ',');
5353 if (pos == NULL)
5354 return -1;
5355 pos++;
5356 requested_len = atoi(pos);
5357 if (start + requested_len > resp_len)
5358 return os_snprintf(buf, buflen, "FAIL-Invalid range");
5359 }
5360
5361 if (requested_len * 2 + 1 > buflen)
5362 return os_snprintf(buf, buflen, "FAIL-Too long response");
5363
5364 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
5365 requested_len);
5366
5367 if (start + requested_len == resp_len) {
5368 /*
5369 * Free memory by dropping the response after it has been
5370 * fetched.
5371 */
5372 if (resp == wpa_s->prev_gas_resp) {
5373 wpabuf_free(wpa_s->prev_gas_resp);
5374 wpa_s->prev_gas_resp = NULL;
5375 } else {
5376 wpabuf_free(wpa_s->last_gas_resp);
5377 wpa_s->last_gas_resp = NULL;
5378 }
5379 }
5380
5381 return ret;
5382 }
5383 #endif /* CONFIG_INTERWORKING */
5384
5385
5386 #ifdef CONFIG_HS20
5387
5388 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
5389 {
5390 u8 dst_addr[ETH_ALEN];
5391 int used;
5392 char *pos;
5393 u32 subtypes = 0;
5394
5395 used = hwaddr_aton2(dst, dst_addr);
5396 if (used < 0)
5397 return -1;
5398 pos = dst + used;
5399 for (;;) {
5400 int num = atoi(pos);
5401 if (num <= 0 || num > 31)
5402 return -1;
5403 subtypes |= BIT(num);
5404 pos = os_strchr(pos + 1, ',');
5405 if (pos == NULL)
5406 break;
5407 pos++;
5408 }
5409
5410 if (subtypes == 0)
5411 return -1;
5412
5413 return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
5414 }
5415
5416
5417 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
5418 const u8 *addr, const char *realm)
5419 {
5420 u8 *buf;
5421 size_t rlen, len;
5422 int ret;
5423
5424 rlen = os_strlen(realm);
5425 len = 3 + rlen;
5426 buf = os_malloc(len);
5427 if (buf == NULL)
5428 return -1;
5429 buf[0] = 1; /* NAI Home Realm Count */
5430 buf[1] = 0; /* Formatted in accordance with RFC 4282 */
5431 buf[2] = rlen;
5432 os_memcpy(buf + 3, realm, rlen);
5433
5434 ret = hs20_anqp_send_req(wpa_s, addr,
5435 BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
5436 buf, len);
5437
5438 os_free(buf);
5439
5440 return ret;
5441 }
5442
5443
5444 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
5445 char *dst)
5446 {
5447 struct wpa_cred *cred = wpa_s->conf->cred;
5448 u8 dst_addr[ETH_ALEN];
5449 int used;
5450 u8 *buf;
5451 size_t len;
5452 int ret;
5453
5454 used = hwaddr_aton2(dst, dst_addr);
5455 if (used < 0)
5456 return -1;
5457
5458 while (dst[used] == ' ')
5459 used++;
5460 if (os_strncmp(dst + used, "realm=", 6) == 0)
5461 return hs20_nai_home_realm_list(wpa_s, dst_addr,
5462 dst + used + 6);
5463
5464 len = os_strlen(dst + used);
5465
5466 if (len == 0 && cred && cred->realm)
5467 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
5468
5469 if (len & 1)
5470 return -1;
5471 len /= 2;
5472 buf = os_malloc(len);
5473 if (buf == NULL)
5474 return -1;
5475 if (hexstr2bin(dst + used, buf, len) < 0) {
5476 os_free(buf);
5477 return -1;
5478 }
5479
5480 ret = hs20_anqp_send_req(wpa_s, dst_addr,
5481 BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
5482 buf, len);
5483 os_free(buf);
5484
5485 return ret;
5486 }
5487
5488
5489 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd)
5490 {
5491 u8 dst_addr[ETH_ALEN];
5492 int used;
5493 char *icon;
5494
5495 used = hwaddr_aton2(cmd, dst_addr);
5496 if (used < 0)
5497 return -1;
5498
5499 while (cmd[used] == ' ')
5500 used++;
5501 icon = &cmd[used];
5502
5503 wpa_s->fetch_osu_icon_in_progress = 0;
5504 return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
5505 (u8 *) icon, os_strlen(icon));
5506 }
5507
5508 #endif /* CONFIG_HS20 */
5509
5510
5511 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
5512 struct wpa_supplicant *wpa_s, char *cmd)
5513 {
5514 wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
5515 return 0;
5516 }
5517
5518
5519 #ifdef CONFIG_AUTOSCAN
5520
5521 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
5522 char *cmd)
5523 {
5524 enum wpa_states state = wpa_s->wpa_state;
5525 char *new_params = NULL;
5526
5527 if (os_strlen(cmd) > 0) {
5528 new_params = os_strdup(cmd);
5529 if (new_params == NULL)
5530 return -1;
5531 }
5532
5533 os_free(wpa_s->conf->autoscan);
5534 wpa_s->conf->autoscan = new_params;
5535
5536 if (wpa_s->conf->autoscan == NULL)
5537 autoscan_deinit(wpa_s);
5538 else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
5539 autoscan_init(wpa_s, 1);
5540 else if (state == WPA_SCANNING)
5541 wpa_supplicant_reinit_autoscan(wpa_s);
5542
5543 return 0;
5544 }
5545
5546 #endif /* CONFIG_AUTOSCAN */
5547
5548
5549 #ifdef CONFIG_WNM
5550
5551 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
5552 {
5553 int enter;
5554 int intval = 0;
5555 char *pos;
5556 int ret;
5557 struct wpabuf *tfs_req = NULL;
5558
5559 if (os_strncmp(cmd, "enter", 5) == 0)
5560 enter = 1;
5561 else if (os_strncmp(cmd, "exit", 4) == 0)
5562 enter = 0;
5563 else
5564 return -1;
5565
5566 pos = os_strstr(cmd, " interval=");
5567 if (pos)
5568 intval = atoi(pos + 10);
5569
5570 pos = os_strstr(cmd, " tfs_req=");
5571 if (pos) {
5572 char *end;
5573 size_t len;
5574 pos += 9;
5575 end = os_strchr(pos, ' ');
5576 if (end)
5577 len = end - pos;
5578 else
5579 len = os_strlen(pos);
5580 if (len & 1)
5581 return -1;
5582 len /= 2;
5583 tfs_req = wpabuf_alloc(len);
5584 if (tfs_req == NULL)
5585 return -1;
5586 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
5587 wpabuf_free(tfs_req);
5588 return -1;
5589 }
5590 }
5591
5592 ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
5593 WNM_SLEEP_MODE_EXIT, intval,
5594 tfs_req);
5595 wpabuf_free(tfs_req);
5596
5597 return ret;
5598 }
5599
5600
5601 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
5602 {
5603 int query_reason;
5604
5605 query_reason = atoi(cmd);
5606
5607 wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
5608 query_reason);
5609
5610 return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
5611 }
5612
5613 #endif /* CONFIG_WNM */
5614
5615
5616 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
5617 size_t buflen)
5618 {
5619 struct wpa_signal_info si;
5620 int ret;
5621 char *pos, *end;
5622
5623 ret = wpa_drv_signal_poll(wpa_s, &si);
5624 if (ret)
5625 return -1;
5626
5627 pos = buf;
5628 end = buf + buflen;
5629
5630 ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
5631 "NOISE=%d\nFREQUENCY=%u\n",
5632 si.current_signal, si.current_txrate / 1000,
5633 si.current_noise, si.frequency);
5634 if (ret < 0 || ret > end - pos)
5635 return -1;
5636 pos += ret;
5637
5638 if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
5639 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
5640 channel_width_to_string(si.chanwidth));
5641 if (ret < 0 || ret > end - pos)
5642 return -1;
5643 pos += ret;
5644 }
5645
5646 if (si.center_frq1 > 0 && si.center_frq2 > 0) {
5647 ret = os_snprintf(pos, end - pos,
5648 "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
5649 si.center_frq1, si.center_frq2);
5650 if (ret < 0 || ret > end - pos)
5651 return -1;
5652 pos += ret;
5653 }
5654
5655 if (si.avg_signal) {
5656 ret = os_snprintf(pos, end - pos,
5657 "AVG_RSSI=%d\n", si.avg_signal);
5658 if (ret < 0 || ret >= end - pos)
5659 return -1;
5660 pos += ret;
5661 }
5662
5663 return pos - buf;
5664 }
5665
5666
5667 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
5668 size_t buflen)
5669 {
5670 struct hostap_sta_driver_data sta;
5671 int ret;
5672
5673 ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
5674 if (ret)
5675 return -1;
5676
5677 ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
5678 sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
5679 if (ret < 0 || (size_t) ret > buflen)
5680 return -1;
5681 return ret;
5682 }
5683
5684
5685 #ifdef ANDROID
5686 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
5687 char *buf, size_t buflen)
5688 {
5689 int ret;
5690
5691 ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
5692 if (ret == 0) {
5693 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
5694 struct p2p_data *p2p = wpa_s->global->p2p;
5695 if (p2p) {
5696 char country[3];
5697 country[0] = cmd[8];
5698 country[1] = cmd[9];
5699 country[2] = 0x04;
5700 p2p_set_country(p2p, country);
5701 }
5702 }
5703 ret = os_snprintf(buf, buflen, "%s\n", "OK");
5704 }
5705 return ret;
5706 }
5707 #endif /* ANDROID */
5708
5709
5710 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
5711 char *buf, size_t buflen)
5712 {
5713 int ret;
5714 char *pos;
5715 u8 *data = NULL;
5716 unsigned int vendor_id, subcmd;
5717 struct wpabuf *reply;
5718 size_t data_len = 0;
5719
5720 /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
5721 vendor_id = strtoul(cmd, &pos, 16);
5722 if (!isblank(*pos))
5723 return -EINVAL;
5724
5725 subcmd = strtoul(pos, &pos, 10);
5726
5727 if (*pos != '\0') {
5728 if (!isblank(*pos++))
5729 return -EINVAL;
5730 data_len = os_strlen(pos);
5731 }
5732
5733 if (data_len) {
5734 data_len /= 2;
5735 data = os_malloc(data_len);
5736 if (!data)
5737 return -1;
5738
5739 if (hexstr2bin(pos, data, data_len)) {
5740 wpa_printf(MSG_DEBUG,
5741 "Vendor command: wrong parameter format");
5742 os_free(data);
5743 return -EINVAL;
5744 }
5745 }
5746
5747 reply = wpabuf_alloc((buflen - 1) / 2);
5748 if (!reply) {
5749 os_free(data);
5750 return -1;
5751 }
5752
5753 ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
5754 reply);
5755
5756 if (ret == 0)
5757 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
5758 wpabuf_len(reply));
5759
5760 wpabuf_free(reply);
5761 os_free(data);
5762
5763 return ret;
5764 }
5765
5766
5767 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
5768 {
5769 wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
5770
5771 #ifdef CONFIG_P2P
5772 wpas_p2p_cancel(wpa_s);
5773 wpas_p2p_stop_find(wpa_s);
5774 p2p_ctrl_flush(wpa_s);
5775 wpas_p2p_group_remove(wpa_s, "*");
5776 wpas_p2p_service_flush(wpa_s);
5777 wpa_s->global->p2p_disabled = 0;
5778 wpa_s->global->p2p_per_sta_psk = 0;
5779 wpa_s->conf->num_sec_device_types = 0;
5780 wpa_s->p2p_disable_ip_addr_req = 0;
5781 os_free(wpa_s->global->p2p_go_avoid_freq.range);
5782 wpa_s->global->p2p_go_avoid_freq.range = NULL;
5783 #endif /* CONFIG_P2P */
5784
5785 #ifdef CONFIG_WPS_TESTING
5786 wps_version_number = 0x20;
5787 wps_testing_dummy_cred = 0;
5788 wps_corrupt_pkhash = 0;
5789 #endif /* CONFIG_WPS_TESTING */
5790 #ifdef CONFIG_WPS
5791 wpa_s->wps_fragment_size = 0;
5792 wpas_wps_cancel(wpa_s);
5793 #endif /* CONFIG_WPS */
5794 wpa_s->after_wps = 0;
5795 wpa_s->known_wps_freq = 0;
5796
5797 #ifdef CONFIG_TDLS
5798 #ifdef CONFIG_TDLS_TESTING
5799 extern unsigned int tdls_testing;
5800 tdls_testing = 0;
5801 #endif /* CONFIG_TDLS_TESTING */
5802 wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
5803 wpa_tdls_enable(wpa_s->wpa, 1);
5804 #endif /* CONFIG_TDLS */
5805
5806 eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
5807 wpa_supplicant_stop_countermeasures(wpa_s, NULL);
5808
5809 wpa_s->no_keep_alive = 0;
5810
5811 os_free(wpa_s->disallow_aps_bssid);
5812 wpa_s->disallow_aps_bssid = NULL;
5813 wpa_s->disallow_aps_bssid_count = 0;
5814 os_free(wpa_s->disallow_aps_ssid);
5815 wpa_s->disallow_aps_ssid = NULL;
5816 wpa_s->disallow_aps_ssid_count = 0;
5817
5818 wpa_s->set_sta_uapsd = 0;
5819 wpa_s->sta_uapsd = 0;
5820
5821 wpa_drv_radio_disable(wpa_s, 0);
5822
5823 wpa_bss_flush(wpa_s);
5824 wpa_blacklist_clear(wpa_s);
5825 wpa_s->extra_blacklist_count = 0;
5826 wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
5827 wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
5828 wpa_config_flush_blobs(wpa_s->conf);
5829 wpa_s->conf->auto_interworking = 0;
5830 wpa_s->conf->okc = 0;
5831
5832 wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
5833 wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
5834 wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
5835 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
5836
5837 radio_remove_works(wpa_s, NULL, 1);
5838
5839 wpa_s->next_ssid = NULL;
5840
5841 #ifdef CONFIG_INTERWORKING
5842 hs20_cancel_fetch_osu(wpa_s);
5843 #endif /* CONFIG_INTERWORKING */
5844
5845 wpa_s->ext_mgmt_frame_handling = 0;
5846 wpa_s->ext_eapol_frame_io = 0;
5847 #ifdef CONFIG_TESTING_OPTIONS
5848 wpa_s->extra_roc_dur = 0;
5849 #endif /* CONFIG_TESTING_OPTIONS */
5850 }
5851
5852
5853 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
5854 char *buf, size_t buflen)
5855 {
5856 struct wpa_radio_work *work;
5857 char *pos, *end;
5858 struct os_reltime now, diff;
5859
5860 pos = buf;
5861 end = buf + buflen;
5862
5863 os_get_reltime(&now);
5864
5865 dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
5866 {
5867 int ret;
5868
5869 os_reltime_sub(&now, &work->time, &diff);
5870 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
5871 work->type, work->wpa_s->ifname, work->freq,
5872 work->started, diff.sec, diff.usec);
5873 if (ret < 0 || ret >= end - pos)
5874 break;
5875 pos += ret;
5876 }
5877
5878 return pos - buf;
5879 }
5880
5881
5882 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
5883 {
5884 struct wpa_radio_work *work = eloop_ctx;
5885 struct wpa_external_work *ework = work->ctx;
5886
5887 wpa_dbg(work->wpa_s, MSG_DEBUG,
5888 "Timing out external radio work %u (%s)",
5889 ework->id, work->type);
5890 wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
5891 radio_work_done(work);
5892 os_free(ework);
5893 }
5894
5895
5896 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
5897 {
5898 struct wpa_external_work *ework = work->ctx;
5899
5900 if (deinit) {
5901 if (work->started)
5902 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
5903 work, NULL);
5904
5905 os_free(ework);
5906 return;
5907 }
5908
5909 wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
5910 ework->id, ework->type);
5911 wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
5912 if (!ework->timeout)
5913 ework->timeout = 10;
5914 eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
5915 work, NULL);
5916 }
5917
5918
5919 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
5920 char *buf, size_t buflen)
5921 {
5922 struct wpa_external_work *ework;
5923 char *pos, *pos2;
5924 size_t type_len;
5925 int ret;
5926 unsigned int freq = 0;
5927
5928 /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
5929
5930 ework = os_zalloc(sizeof(*ework));
5931 if (ework == NULL)
5932 return -1;
5933
5934 pos = os_strchr(cmd, ' ');
5935 if (pos) {
5936 type_len = pos - cmd;
5937 pos++;
5938
5939 pos2 = os_strstr(pos, "freq=");
5940 if (pos2)
5941 freq = atoi(pos2 + 5);
5942
5943 pos2 = os_strstr(pos, "timeout=");
5944 if (pos2)
5945 ework->timeout = atoi(pos2 + 8);
5946 } else {
5947 type_len = os_strlen(cmd);
5948 }
5949 if (4 + type_len >= sizeof(ework->type))
5950 type_len = sizeof(ework->type) - 4 - 1;
5951 os_strlcpy(ework->type, "ext:", sizeof(ework->type));
5952 os_memcpy(ework->type + 4, cmd, type_len);
5953 ework->type[4 + type_len] = '\0';
5954
5955 wpa_s->ext_work_id++;
5956 if (wpa_s->ext_work_id == 0)
5957 wpa_s->ext_work_id++;
5958 ework->id = wpa_s->ext_work_id;
5959
5960 if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
5961 ework) < 0) {
5962 os_free(ework);
5963 return -1;
5964 }
5965
5966 ret = os_snprintf(buf, buflen, "%u", ework->id);
5967 if (ret < 0 || (size_t) ret >= buflen)
5968 return -1;
5969 return ret;
5970 }
5971
5972
5973 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
5974 {
5975 struct wpa_radio_work *work;
5976 unsigned int id = atoi(cmd);
5977
5978 dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
5979 {
5980 struct wpa_external_work *ework;
5981
5982 if (os_strncmp(work->type, "ext:", 4) != 0)
5983 continue;
5984 ework = work->ctx;
5985 if (id && ework->id != id)
5986 continue;
5987 wpa_dbg(wpa_s, MSG_DEBUG,
5988 "Completed external radio work %u (%s)",
5989 ework->id, ework->type);
5990 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
5991 radio_work_done(work);
5992 os_free(ework);
5993 return 3; /* "OK\n" */
5994 }
5995
5996 return -1;
5997 }
5998
5999
6000 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
6001 char *buf, size_t buflen)
6002 {
6003 if (os_strcmp(cmd, "show") == 0)
6004 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
6005 if (os_strncmp(cmd, "add ", 4) == 0)
6006 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
6007 if (os_strncmp(cmd, "done ", 5) == 0)
6008 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
6009 return -1;
6010 }
6011
6012
6013 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
6014 {
6015 struct wpa_radio_work *work, *tmp;
6016
6017 if (!wpa_s || !wpa_s->radio)
6018 return;
6019
6020 dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
6021 struct wpa_radio_work, list) {
6022 struct wpa_external_work *ework;
6023
6024 if (os_strncmp(work->type, "ext:", 4) != 0)
6025 continue;
6026 ework = work->ctx;
6027 wpa_dbg(wpa_s, MSG_DEBUG,
6028 "Flushing%s external radio work %u (%s)",
6029 work->started ? " started" : "", ework->id,
6030 ework->type);
6031 if (work->started)
6032 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6033 work, NULL);
6034 radio_work_done(work);
6035 os_free(ework);
6036 }
6037 }
6038
6039
6040 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
6041 {
6042 struct wpa_supplicant *wpa_s = eloop_ctx;
6043 eapol_sm_notify_ctrl_response(wpa_s->eapol);
6044 }
6045
6046
6047 static int set_scan_freqs(struct wpa_supplicant *wpa_s, char *val)
6048 {
6049 int *freqs = NULL;
6050
6051 freqs = freq_range_to_channel_list(wpa_s, val);
6052 if (freqs == NULL)
6053 return -1;
6054
6055 os_free(wpa_s->manual_scan_freqs);
6056 wpa_s->manual_scan_freqs = freqs;
6057
6058 return 0;
6059 }
6060
6061
6062 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value)
6063 {
6064 const char *pos = value;
6065
6066 while (pos) {
6067 if (*pos == ' ' || *pos == '\0')
6068 break;
6069 if (wpa_s->scan_id_count == MAX_SCAN_ID)
6070 return -1;
6071 wpa_s->scan_id[wpa_s->scan_id_count++] = atoi(pos);
6072 pos = os_strchr(pos, ',');
6073 if (pos)
6074 pos++;
6075 }
6076
6077 return 0;
6078 }
6079
6080
6081 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
6082 char *reply, int reply_size, int *reply_len)
6083 {
6084 char *pos;
6085
6086 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
6087 *reply_len = -1;
6088 return;
6089 }
6090
6091 wpa_s->manual_scan_passive = 0;
6092 wpa_s->manual_scan_use_id = 0;
6093 wpa_s->manual_scan_only_new = 0;
6094 wpa_s->scan_id_count = 0;
6095
6096 if (params) {
6097 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
6098 wpa_s->scan_res_handler = scan_only_handler;
6099
6100 pos = os_strstr(params, "freq=");
6101 if (pos && set_scan_freqs(wpa_s, pos + 5) < 0) {
6102 *reply_len = -1;
6103 return;
6104 }
6105
6106 pos = os_strstr(params, "passive=");
6107 if (pos)
6108 wpa_s->manual_scan_passive = !!atoi(pos + 8);
6109
6110 pos = os_strstr(params, "use_id=");
6111 if (pos)
6112 wpa_s->manual_scan_use_id = atoi(pos + 7);
6113
6114 pos = os_strstr(params, "only_new=1");
6115 if (pos)
6116 wpa_s->manual_scan_only_new = 1;
6117
6118 pos = os_strstr(params, "scan_id=");
6119 if (pos && scan_id_list_parse(wpa_s, pos + 8) < 0) {
6120 *reply_len = -1;
6121 return;
6122 }
6123 } else {
6124 os_free(wpa_s->manual_scan_freqs);
6125 wpa_s->manual_scan_freqs = NULL;
6126 if (wpa_s->scan_res_handler == scan_only_handler)
6127 wpa_s->scan_res_handler = NULL;
6128 }
6129
6130 if (!wpa_s->sched_scanning && !wpa_s->scanning &&
6131 ((wpa_s->wpa_state <= WPA_SCANNING) ||
6132 (wpa_s->wpa_state == WPA_COMPLETED))) {
6133 wpa_s->normal_scans = 0;
6134 wpa_s->scan_req = MANUAL_SCAN_REQ;
6135 wpa_s->after_wps = 0;
6136 wpa_s->known_wps_freq = 0;
6137 wpa_supplicant_req_scan(wpa_s, 0, 0);
6138 if (wpa_s->manual_scan_use_id) {
6139 wpa_s->manual_scan_id++;
6140 wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
6141 wpa_s->manual_scan_id);
6142 *reply_len = os_snprintf(reply, reply_size, "%u\n",
6143 wpa_s->manual_scan_id);
6144 }
6145 } else if (wpa_s->sched_scanning) {
6146 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
6147 wpa_supplicant_cancel_sched_scan(wpa_s);
6148 wpa_s->scan_req = MANUAL_SCAN_REQ;
6149 wpa_supplicant_req_scan(wpa_s, 0, 0);
6150 if (wpa_s->manual_scan_use_id) {
6151 wpa_s->manual_scan_id++;
6152 *reply_len = os_snprintf(reply, reply_size, "%u\n",
6153 wpa_s->manual_scan_id);
6154 wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
6155 wpa_s->manual_scan_id);
6156 }
6157 } else {
6158 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
6159 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
6160 }
6161 }
6162
6163
6164 #ifdef CONFIG_TESTING_OPTIONS
6165
6166 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
6167 unsigned int freq, const u8 *dst,
6168 const u8 *src, const u8 *bssid,
6169 const u8 *data, size_t data_len,
6170 enum offchannel_send_action_result
6171 result)
6172 {
6173 wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
6174 " src=" MACSTR " bssid=" MACSTR " result=%s",
6175 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
6176 result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
6177 "SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
6178 "NO_ACK" : "FAILED"));
6179 }
6180
6181
6182 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
6183 {
6184 char *pos, *param;
6185 size_t len;
6186 u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
6187 int res, used;
6188 int freq = 0, no_cck = 0, wait_time = 0;
6189
6190 /* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
6191 * <action=Action frame payload> */
6192
6193 wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
6194
6195 pos = cmd;
6196 used = hwaddr_aton2(pos, da);
6197 if (used < 0)
6198 return -1;
6199 pos += used;
6200 while (*pos == ' ')
6201 pos++;
6202 used = hwaddr_aton2(pos, bssid);
6203 if (used < 0)
6204 return -1;
6205 pos += used;
6206
6207 param = os_strstr(pos, " freq=");
6208 if (param) {
6209 param += 6;
6210 freq = atoi(param);
6211 }
6212
6213 param = os_strstr(pos, " no_cck=");
6214 if (param) {
6215 param += 8;
6216 no_cck = atoi(param);
6217 }
6218
6219 param = os_strstr(pos, " wait_time=");
6220 if (param) {
6221 param += 11;
6222 wait_time = atoi(param);
6223 }
6224
6225 param = os_strstr(pos, " action=");
6226 if (param == NULL)
6227 return -1;
6228 param += 8;
6229
6230 len = os_strlen(param);
6231 if (len & 1)
6232 return -1;
6233 len /= 2;
6234
6235 buf = os_malloc(len);
6236 if (buf == NULL)
6237 return -1;
6238
6239 if (hexstr2bin(param, buf, len) < 0) {
6240 os_free(buf);
6241 return -1;
6242 }
6243
6244 res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
6245 buf, len, wait_time,
6246 wpas_ctrl_iface_mgmt_tx_cb, no_cck);
6247 os_free(buf);
6248 return res;
6249 }
6250
6251
6252 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
6253 {
6254 wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
6255 offchannel_send_action_done(wpa_s);
6256 }
6257
6258
6259 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
6260 {
6261 char *pos, *param;
6262 union wpa_event_data event;
6263 enum wpa_event_type ev;
6264
6265 /* <event name> [parameters..] */
6266
6267 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
6268
6269 pos = cmd;
6270 param = os_strchr(pos, ' ');
6271 if (param)
6272 *param++ = '\0';
6273
6274 os_memset(&event, 0, sizeof(event));
6275
6276 if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
6277 ev = EVENT_INTERFACE_ENABLED;
6278 } else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
6279 ev = EVENT_INTERFACE_DISABLED;
6280 } else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
6281 ev = EVENT_AVOID_FREQUENCIES;
6282 if (param == NULL)
6283 param = "";
6284 if (freq_range_list_parse(&event.freq_range, param) < 0)
6285 return -1;
6286 wpa_supplicant_event(wpa_s, ev, &event);
6287 os_free(event.freq_range.range);
6288 return 0;
6289 } else {
6290 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
6291 cmd);
6292 return -1;
6293 }
6294
6295 wpa_supplicant_event(wpa_s, ev, &event);
6296
6297 return 0;
6298 }
6299
6300
6301 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
6302 {
6303 char *pos;
6304 u8 src[ETH_ALEN], *buf;
6305 int used;
6306 size_t len;
6307
6308 wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
6309
6310 pos = cmd;
6311 used = hwaddr_aton2(pos, src);
6312 if (used < 0)
6313 return -1;
6314 pos += used;
6315 while (*pos == ' ')
6316 pos++;
6317
6318 len = os_strlen(pos);
6319 if (len & 1)
6320 return -1;
6321 len /= 2;
6322
6323 buf = os_malloc(len);
6324 if (buf == NULL)
6325 return -1;
6326
6327 if (hexstr2bin(pos, buf, len) < 0) {
6328 os_free(buf);
6329 return -1;
6330 }
6331
6332 wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
6333 os_free(buf);
6334
6335 return 0;
6336 }
6337
6338
6339 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
6340 {
6341 size_t i;
6342 u32 sum = 0;
6343 const u16 *pos = buf;
6344
6345 for (i = 0; i < len / 2; i++)
6346 sum += *pos++;
6347
6348 while (sum >> 16)
6349 sum = (sum & 0xffff) + (sum >> 16);
6350
6351 return sum ^ 0xffff;
6352 }
6353
6354
6355 #define HWSIM_PACKETLEN 1500
6356 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
6357
6358 void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
6359 {
6360 struct wpa_supplicant *wpa_s = ctx;
6361 const struct ether_header *eth;
6362 const struct iphdr *ip;
6363 const u8 *pos;
6364 unsigned int i;
6365
6366 if (len != HWSIM_PACKETLEN)
6367 return;
6368
6369 eth = (const struct ether_header *) buf;
6370 ip = (const struct iphdr *) (eth + 1);
6371 pos = (const u8 *) (ip + 1);
6372
6373 if (ip->ihl != 5 || ip->version != 4 ||
6374 ntohs(ip->tot_len) != HWSIM_IP_LEN)
6375 return;
6376
6377 for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++) {
6378 if (*pos != (u8) i)
6379 return;
6380 pos++;
6381 }
6382
6383 wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
6384 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
6385 }
6386
6387
6388 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
6389 char *cmd)
6390 {
6391 int enabled = atoi(cmd);
6392
6393 if (!enabled) {
6394 if (wpa_s->l2_test) {
6395 l2_packet_deinit(wpa_s->l2_test);
6396 wpa_s->l2_test = NULL;
6397 wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
6398 }
6399 return 0;
6400 }
6401
6402 if (wpa_s->l2_test)
6403 return 0;
6404
6405 wpa_s->l2_test = l2_packet_init(wpa_s->ifname, wpa_s->own_addr,
6406 ETHERTYPE_IP, wpas_data_test_rx,
6407 wpa_s, 1);
6408 if (wpa_s->l2_test == NULL)
6409 return -1;
6410
6411 wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
6412
6413 return 0;
6414 }
6415
6416
6417 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
6418 {
6419 u8 dst[ETH_ALEN], src[ETH_ALEN];
6420 char *pos;
6421 int used;
6422 long int val;
6423 u8 tos;
6424 u8 buf[HWSIM_PACKETLEN];
6425 struct ether_header *eth;
6426 struct iphdr *ip;
6427 u8 *dpos;
6428 unsigned int i;
6429
6430 if (wpa_s->l2_test == NULL)
6431 return -1;
6432
6433 /* format: <dst> <src> <tos> */
6434
6435 pos = cmd;
6436 used = hwaddr_aton2(pos, dst);
6437 if (used < 0)
6438 return -1;
6439 pos += used;
6440 while (*pos == ' ')
6441 pos++;
6442 used = hwaddr_aton2(pos, src);
6443 if (used < 0)
6444 return -1;
6445 pos += used;
6446
6447 val = strtol(pos, NULL, 0);
6448 if (val < 0 || val > 0xff)
6449 return -1;
6450 tos = val;
6451
6452 eth = (struct ether_header *) buf;
6453 os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
6454 os_memcpy(eth->ether_shost, src, ETH_ALEN);
6455 eth->ether_type = htons(ETHERTYPE_IP);
6456 ip = (struct iphdr *) (eth + 1);
6457 os_memset(ip, 0, sizeof(*ip));
6458 ip->ihl = 5;
6459 ip->version = 4;
6460 ip->ttl = 64;
6461 ip->tos = tos;
6462 ip->tot_len = htons(HWSIM_IP_LEN);
6463 ip->protocol = 1;
6464 ip->saddr = htonl(192 << 24 | 168 << 16 | 1 << 8 | 1);
6465 ip->daddr = htonl(192 << 24 | 168 << 16 | 1 << 8 | 2);
6466 ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
6467 dpos = (u8 *) (ip + 1);
6468 for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
6469 *dpos++ = i;
6470
6471 if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, buf,
6472 HWSIM_PACKETLEN) < 0)
6473 return -1;
6474
6475 wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
6476 " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
6477
6478 return 0;
6479 }
6480
6481 #endif /* CONFIG_TESTING_OPTIONS */
6482
6483
6484 static void wpas_ctrl_vendor_elem_update(struct wpa_supplicant *wpa_s)
6485 {
6486 unsigned int i;
6487 char buf[30];
6488
6489 wpa_printf(MSG_DEBUG, "Update vendor elements");
6490
6491 for (i = 0; i < NUM_VENDOR_ELEM_FRAMES; i++) {
6492 if (wpa_s->vendor_elem[i]) {
6493 os_snprintf(buf, sizeof(buf), "frame[%u]", i);
6494 wpa_hexdump_buf(MSG_DEBUG, buf, wpa_s->vendor_elem[i]);
6495 }
6496 }
6497
6498 #ifdef CONFIG_P2P
6499 if (wpa_s->parent == wpa_s &&
6500 wpa_s->global->p2p &&
6501 !wpa_s->global->p2p_disabled)
6502 p2p_set_vendor_elems(wpa_s->global->p2p, wpa_s->vendor_elem);
6503 #endif /* CONFIG_P2P */
6504 }
6505
6506
6507 static struct wpa_supplicant *
6508 wpas_ctrl_vendor_elem_iface(struct wpa_supplicant *wpa_s,
6509 enum wpa_vendor_elem_frame frame)
6510 {
6511 switch (frame) {
6512 #ifdef CONFIG_P2P
6513 case VENDOR_ELEM_PROBE_REQ_P2P:
6514 case VENDOR_ELEM_PROBE_RESP_P2P:
6515 case VENDOR_ELEM_PROBE_RESP_P2P_GO:
6516 case VENDOR_ELEM_BEACON_P2P_GO:
6517 case VENDOR_ELEM_P2P_PD_REQ:
6518 case VENDOR_ELEM_P2P_PD_RESP:
6519 case VENDOR_ELEM_P2P_GO_NEG_REQ:
6520 case VENDOR_ELEM_P2P_GO_NEG_RESP:
6521 case VENDOR_ELEM_P2P_GO_NEG_CONF:
6522 case VENDOR_ELEM_P2P_INV_REQ:
6523 case VENDOR_ELEM_P2P_INV_RESP:
6524 case VENDOR_ELEM_P2P_ASSOC_REQ:
6525 return wpa_s->parent;
6526 #endif /* CONFIG_P2P */
6527 default:
6528 return wpa_s;
6529 }
6530 }
6531
6532
6533 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
6534 {
6535 char *pos = cmd;
6536 int frame;
6537 size_t len;
6538 struct wpabuf *buf;
6539 struct ieee802_11_elems elems;
6540
6541 frame = atoi(pos);
6542 if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
6543 return -1;
6544 wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
6545
6546 pos = os_strchr(pos, ' ');
6547 if (pos == NULL)
6548 return -1;
6549 pos++;
6550
6551 len = os_strlen(pos);
6552 if (len == 0)
6553 return 0;
6554 if (len & 1)
6555 return -1;
6556 len /= 2;
6557
6558 buf = wpabuf_alloc(len);
6559 if (buf == NULL)
6560 return -1;
6561
6562 if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
6563 wpabuf_free(buf);
6564 return -1;
6565 }
6566
6567 if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
6568 ParseFailed) {
6569 wpabuf_free(buf);
6570 return -1;
6571 }
6572
6573 if (wpa_s->vendor_elem[frame] == NULL) {
6574 wpa_s->vendor_elem[frame] = buf;
6575 wpas_ctrl_vendor_elem_update(wpa_s);
6576 return 0;
6577 }
6578
6579 if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
6580 wpabuf_free(buf);
6581 return -1;
6582 }
6583
6584 wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
6585 wpabuf_free(buf);
6586 wpas_ctrl_vendor_elem_update(wpa_s);
6587
6588 return 0;
6589 }
6590
6591
6592 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
6593 char *buf, size_t buflen)
6594 {
6595 int frame = atoi(cmd);
6596
6597 if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
6598 return -1;
6599 wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
6600
6601 if (wpa_s->vendor_elem[frame] == NULL)
6602 return 0;
6603
6604 return wpa_snprintf_hex(buf, buflen,
6605 wpabuf_head_u8(wpa_s->vendor_elem[frame]),
6606 wpabuf_len(wpa_s->vendor_elem[frame]));
6607 }
6608
6609
6610 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
6611 {
6612 char *pos = cmd;
6613 int frame;
6614 size_t len;
6615 u8 *buf;
6616 struct ieee802_11_elems elems;
6617 u8 *ie, *end;
6618
6619 frame = atoi(pos);
6620 if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
6621 return -1;
6622 wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
6623
6624 pos = os_strchr(pos, ' ');
6625 if (pos == NULL)
6626 return -1;
6627 pos++;
6628
6629 if (*pos == '*') {
6630 wpabuf_free(wpa_s->vendor_elem[frame]);
6631 wpa_s->vendor_elem[frame] = NULL;
6632 wpas_ctrl_vendor_elem_update(wpa_s);
6633 return 0;
6634 }
6635
6636 if (wpa_s->vendor_elem[frame] == NULL)
6637 return -1;
6638
6639 len = os_strlen(pos);
6640 if (len == 0)
6641 return 0;
6642 if (len & 1)
6643 return -1;
6644 len /= 2;
6645
6646 buf = os_malloc(len);
6647 if (buf == NULL)
6648 return -1;
6649
6650 if (hexstr2bin(pos, buf, len) < 0) {
6651 os_free(buf);
6652 return -1;
6653 }
6654
6655 if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
6656 os_free(buf);
6657 return -1;
6658 }
6659
6660 ie = wpabuf_mhead_u8(wpa_s->vendor_elem[frame]);
6661 end = ie + wpabuf_len(wpa_s->vendor_elem[frame]);
6662
6663 for (; ie + 1 < end; ie += 2 + ie[1]) {
6664 if (ie + len > end)
6665 break;
6666 if (os_memcmp(ie, buf, len) != 0)
6667 continue;
6668
6669 if (wpabuf_len(wpa_s->vendor_elem[frame]) == len) {
6670 wpabuf_free(wpa_s->vendor_elem[frame]);
6671 wpa_s->vendor_elem[frame] = NULL;
6672 } else {
6673 os_memmove(ie, ie + len,
6674 end - (ie + len));
6675 wpa_s->vendor_elem[frame]->used -= len;
6676 }
6677 os_free(buf);
6678 wpas_ctrl_vendor_elem_update(wpa_s);
6679 return 0;
6680 }
6681
6682 os_free(buf);
6683
6684 return -1;
6685 }
6686
6687
6688 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
6689 char *buf, size_t *resp_len)
6690 {
6691 char *reply;
6692 const int reply_size = 4096;
6693 int reply_len;
6694
6695 if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
6696 os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
6697 if (wpa_debug_show_keys)
6698 wpa_dbg(wpa_s, MSG_DEBUG,
6699 "Control interface command '%s'", buf);
6700 else
6701 wpa_dbg(wpa_s, MSG_DEBUG,
6702 "Control interface command '%s [REMOVED]'",
6703 os_strncmp(buf, WPA_CTRL_RSP,
6704 os_strlen(WPA_CTRL_RSP)) == 0 ?
6705 WPA_CTRL_RSP : "SET_NETWORK");
6706 } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
6707 os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
6708 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
6709 (const u8 *) buf, os_strlen(buf));
6710 } else {
6711 int level = MSG_DEBUG;
6712 if (os_strcmp(buf, "PING") == 0)
6713 level = MSG_EXCESSIVE;
6714 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
6715 }
6716
6717 reply = os_malloc(reply_size);
6718 if (reply == NULL) {
6719 *resp_len = 1;
6720 return NULL;
6721 }
6722
6723 os_memcpy(reply, "OK\n", 3);
6724 reply_len = 3;
6725
6726 if (os_strcmp(buf, "PING") == 0) {
6727 os_memcpy(reply, "PONG\n", 5);
6728 reply_len = 5;
6729 } else if (os_strcmp(buf, "IFNAME") == 0) {
6730 reply_len = os_strlen(wpa_s->ifname);
6731 os_memcpy(reply, wpa_s->ifname, reply_len);
6732 } else if (os_strncmp(buf, "RELOG", 5) == 0) {
6733 if (wpa_debug_reopen_file() < 0)
6734 reply_len = -1;
6735 } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
6736 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
6737 } else if (os_strcmp(buf, "MIB") == 0) {
6738 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
6739 if (reply_len >= 0) {
6740 int res;
6741 res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
6742 reply_size - reply_len);
6743 if (res < 0)
6744 reply_len = -1;
6745 else
6746 reply_len += res;
6747 }
6748 } else if (os_strncmp(buf, "STATUS", 6) == 0) {
6749 reply_len = wpa_supplicant_ctrl_iface_status(
6750 wpa_s, buf + 6, reply, reply_size);
6751 } else if (os_strcmp(buf, "PMKSA") == 0) {
6752 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
6753 reply_size);
6754 } else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
6755 wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
6756 } else if (os_strncmp(buf, "SET ", 4) == 0) {
6757 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
6758 reply_len = -1;
6759 } else if (os_strncmp(buf, "GET ", 4) == 0) {
6760 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
6761 reply, reply_size);
6762 } else if (os_strcmp(buf, "LOGON") == 0) {
6763 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
6764 } else if (os_strcmp(buf, "LOGOFF") == 0) {
6765 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
6766 } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
6767 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
6768 reply_len = -1;
6769 else
6770 wpas_request_connection(wpa_s);
6771 } else if (os_strcmp(buf, "REATTACH") == 0) {
6772 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
6773 !wpa_s->current_ssid)
6774 reply_len = -1;
6775 else {
6776 wpa_s->reattach = 1;
6777 wpas_request_connection(wpa_s);
6778 }
6779 } else if (os_strcmp(buf, "RECONNECT") == 0) {
6780 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
6781 reply_len = -1;
6782 else if (wpa_s->disconnected)
6783 wpas_request_connection(wpa_s);
6784 #ifdef IEEE8021X_EAPOL
6785 } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
6786 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
6787 reply_len = -1;
6788 #endif /* IEEE8021X_EAPOL */
6789 #ifdef CONFIG_PEERKEY
6790 } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
6791 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
6792 reply_len = -1;
6793 #endif /* CONFIG_PEERKEY */
6794 #ifdef CONFIG_IEEE80211R
6795 } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
6796 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
6797 reply_len = -1;
6798 #endif /* CONFIG_IEEE80211R */
6799 #ifdef CONFIG_WPS
6800 } else if (os_strcmp(buf, "WPS_PBC") == 0) {
6801 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
6802 if (res == -2) {
6803 os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
6804 reply_len = 17;
6805 } else if (res)
6806 reply_len = -1;
6807 } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
6808 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
6809 if (res == -2) {
6810 os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
6811 reply_len = 17;
6812 } else if (res)
6813 reply_len = -1;
6814 } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
6815 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
6816 reply,
6817 reply_size);
6818 } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
6819 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
6820 wpa_s, buf + 14, reply, reply_size);
6821 } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
6822 if (wpas_wps_cancel(wpa_s))
6823 reply_len = -1;
6824 #ifdef CONFIG_WPS_NFC
6825 } else if (os_strcmp(buf, "WPS_NFC") == 0) {
6826 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
6827 reply_len = -1;
6828 } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
6829 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
6830 reply_len = -1;
6831 } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
6832 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
6833 wpa_s, buf + 21, reply, reply_size);
6834 } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
6835 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
6836 wpa_s, buf + 14, reply, reply_size);
6837 } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
6838 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
6839 buf + 17))
6840 reply_len = -1;
6841 } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
6842 reply_len = wpas_ctrl_nfc_get_handover_req(
6843 wpa_s, buf + 21, reply, reply_size);
6844 } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
6845 reply_len = wpas_ctrl_nfc_get_handover_sel(
6846 wpa_s, buf + 21, reply, reply_size);
6847 } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
6848 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
6849 reply_len = -1;
6850 #endif /* CONFIG_WPS_NFC */
6851 } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
6852 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
6853 reply_len = -1;
6854 #ifdef CONFIG_AP
6855 } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
6856 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
6857 wpa_s, buf + 11, reply, reply_size);
6858 #endif /* CONFIG_AP */
6859 #ifdef CONFIG_WPS_ER
6860 } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
6861 if (wpas_wps_er_start(wpa_s, NULL))
6862 reply_len = -1;
6863 } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
6864 if (wpas_wps_er_start(wpa_s, buf + 13))
6865 reply_len = -1;
6866 } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
6867 if (wpas_wps_er_stop(wpa_s))
6868 reply_len = -1;
6869 } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
6870 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
6871 reply_len = -1;
6872 } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
6873 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
6874 if (ret == -2) {
6875 os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
6876 reply_len = 17;
6877 } else if (ret == -3) {
6878 os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
6879 reply_len = 18;
6880 } else if (ret == -4) {
6881 os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
6882 reply_len = 20;
6883 } else if (ret)
6884 reply_len = -1;
6885 } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
6886 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
6887 reply_len = -1;
6888 } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
6889 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
6890 buf + 18))
6891 reply_len = -1;
6892 } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
6893 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
6894 reply_len = -1;
6895 #ifdef CONFIG_WPS_NFC
6896 } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
6897 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
6898 wpa_s, buf + 24, reply, reply_size);
6899 #endif /* CONFIG_WPS_NFC */
6900 #endif /* CONFIG_WPS_ER */
6901 #endif /* CONFIG_WPS */
6902 #ifdef CONFIG_IBSS_RSN
6903 } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
6904 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
6905 reply_len = -1;
6906 #endif /* CONFIG_IBSS_RSN */
6907 #ifdef CONFIG_P2P
6908 } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
6909 if (p2p_ctrl_find(wpa_s, buf + 9))
6910 reply_len = -1;
6911 } else if (os_strcmp(buf, "P2P_FIND") == 0) {
6912 if (p2p_ctrl_find(wpa_s, ""))
6913 reply_len = -1;
6914 } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
6915 wpas_p2p_stop_find(wpa_s);
6916 } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
6917 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
6918 reply_size);
6919 } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
6920 if (p2p_ctrl_listen(wpa_s, buf + 11))
6921 reply_len = -1;
6922 } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
6923 if (p2p_ctrl_listen(wpa_s, ""))
6924 reply_len = -1;
6925 } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
6926 if (wpas_p2p_group_remove(wpa_s, buf + 17))
6927 reply_len = -1;
6928 } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
6929 if (wpas_p2p_group_add(wpa_s, 0, 0, 0, 0))
6930 reply_len = -1;
6931 } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
6932 if (p2p_ctrl_group_add(wpa_s, buf + 14))
6933 reply_len = -1;
6934 } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
6935 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
6936 reply_len = -1;
6937 } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
6938 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
6939 } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
6940 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
6941 reply_size);
6942 } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
6943 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
6944 reply_len = -1;
6945 } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
6946 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
6947 reply_len = -1;
6948 } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
6949 wpas_p2p_sd_service_update(wpa_s);
6950 } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
6951 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
6952 reply_len = -1;
6953 } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
6954 wpas_p2p_service_flush(wpa_s);
6955 } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
6956 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
6957 reply_len = -1;
6958 } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
6959 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
6960 reply_len = -1;
6961 } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
6962 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
6963 reply_len = -1;
6964 } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
6965 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
6966 reply_len = -1;
6967 } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
6968 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
6969 reply_size);
6970 } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
6971 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
6972 reply_len = -1;
6973 } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
6974 p2p_ctrl_flush(wpa_s);
6975 } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
6976 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
6977 reply_len = -1;
6978 } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
6979 if (wpas_p2p_cancel(wpa_s))
6980 reply_len = -1;
6981 } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
6982 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
6983 reply_len = -1;
6984 } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
6985 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
6986 reply_len = -1;
6987 } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
6988 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
6989 reply_len = -1;
6990 } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
6991 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
6992 reply_len = -1;
6993 } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
6994 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
6995 reply_len = -1;
6996 #endif /* CONFIG_P2P */
6997 #ifdef CONFIG_WIFI_DISPLAY
6998 } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
6999 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
7000 reply_len = -1;
7001 } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
7002 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
7003 reply, reply_size);
7004 #endif /* CONFIG_WIFI_DISPLAY */
7005 #ifdef CONFIG_INTERWORKING
7006 } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
7007 if (interworking_fetch_anqp(wpa_s) < 0)
7008 reply_len = -1;
7009 } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
7010 interworking_stop_fetch_anqp(wpa_s);
7011 } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
7012 if (ctrl_interworking_select(wpa_s, NULL) < 0)
7013 reply_len = -1;
7014 } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
7015 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
7016 reply_len = -1;
7017 } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
7018 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
7019 reply_len = -1;
7020 } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
7021 if (get_anqp(wpa_s, buf + 9) < 0)
7022 reply_len = -1;
7023 } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
7024 if (gas_request(wpa_s, buf + 12) < 0)
7025 reply_len = -1;
7026 } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
7027 reply_len = gas_response_get(wpa_s, buf + 17, reply,
7028 reply_size);
7029 #endif /* CONFIG_INTERWORKING */
7030 #ifdef CONFIG_HS20
7031 } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
7032 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
7033 reply_len = -1;
7034 } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
7035 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
7036 reply_len = -1;
7037 } else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
7038 if (hs20_icon_request(wpa_s, buf + 18) < 0)
7039 reply_len = -1;
7040 } else if (os_strcmp(buf, "FETCH_OSU") == 0) {
7041 if (hs20_fetch_osu(wpa_s) < 0)
7042 reply_len = -1;
7043 } else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
7044 hs20_cancel_fetch_osu(wpa_s);
7045 #endif /* CONFIG_HS20 */
7046 } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
7047 {
7048 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
7049 wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
7050 reply_len = -1;
7051 else {
7052 /*
7053 * Notify response from timeout to allow the control
7054 * interface response to be sent first.
7055 */
7056 eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
7057 wpa_s, NULL);
7058 }
7059 } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
7060 if (wpa_supplicant_reload_configuration(wpa_s))
7061 reply_len = -1;
7062 } else if (os_strcmp(buf, "TERMINATE") == 0) {
7063 wpa_supplicant_terminate_proc(wpa_s->global);
7064 } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
7065 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
7066 reply_len = -1;
7067 } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
7068 reply_len = wpa_supplicant_ctrl_iface_blacklist(
7069 wpa_s, buf + 9, reply, reply_size);
7070 } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
7071 reply_len = wpa_supplicant_ctrl_iface_log_level(
7072 wpa_s, buf + 9, reply, reply_size);
7073 } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
7074 reply_len = wpa_supplicant_ctrl_iface_list_networks(
7075 wpa_s, reply, reply_size);
7076 } else if (os_strcmp(buf, "DISCONNECT") == 0) {
7077 #ifdef CONFIG_SME
7078 wpa_s->sme.prev_bssid_set = 0;
7079 #endif /* CONFIG_SME */
7080 wpa_s->reassociate = 0;
7081 wpa_s->disconnected = 1;
7082 wpa_supplicant_cancel_sched_scan(wpa_s);
7083 wpa_supplicant_cancel_scan(wpa_s);
7084 wpa_supplicant_deauthenticate(wpa_s,
7085 WLAN_REASON_DEAUTH_LEAVING);
7086 } else if (os_strcmp(buf, "SCAN") == 0) {
7087 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
7088 } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
7089 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
7090 } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
7091 reply_len = wpa_supplicant_ctrl_iface_scan_results(
7092 wpa_s, reply, reply_size);
7093 } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
7094 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
7095 reply_len = -1;
7096 } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
7097 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
7098 reply_len = -1;
7099 } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
7100 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
7101 reply_len = -1;
7102 } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
7103 reply_len = wpa_supplicant_ctrl_iface_add_network(
7104 wpa_s, reply, reply_size);
7105 } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
7106 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
7107 reply_len = -1;
7108 } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
7109 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
7110 reply_len = -1;
7111 } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
7112 reply_len = wpa_supplicant_ctrl_iface_get_network(
7113 wpa_s, buf + 12, reply, reply_size);
7114 } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
7115 if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12))
7116 reply_len = -1;
7117 } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
7118 reply_len = wpa_supplicant_ctrl_iface_list_creds(
7119 wpa_s, reply, reply_size);
7120 } else if (os_strcmp(buf, "ADD_CRED") == 0) {
7121 reply_len = wpa_supplicant_ctrl_iface_add_cred(
7122 wpa_s, reply, reply_size);
7123 } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
7124 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
7125 reply_len = -1;
7126 } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
7127 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
7128 reply_len = -1;
7129 } else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
7130 reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
7131 reply,
7132 reply_size);
7133 #ifndef CONFIG_NO_CONFIG_WRITE
7134 } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
7135 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
7136 reply_len = -1;
7137 #endif /* CONFIG_NO_CONFIG_WRITE */
7138 } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
7139 reply_len = wpa_supplicant_ctrl_iface_get_capability(
7140 wpa_s, buf + 15, reply, reply_size);
7141 } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
7142 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
7143 reply_len = -1;
7144 } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
7145 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
7146 reply_len = -1;
7147 } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
7148 reply_len = wpa_supplicant_global_iface_list(
7149 wpa_s->global, reply, reply_size);
7150 } else if (os_strcmp(buf, "INTERFACES") == 0) {
7151 reply_len = wpa_supplicant_global_iface_interfaces(
7152 wpa_s->global, reply, reply_size);
7153 } else if (os_strncmp(buf, "BSS ", 4) == 0) {
7154 reply_len = wpa_supplicant_ctrl_iface_bss(
7155 wpa_s, buf + 4, reply, reply_size);
7156 #ifdef CONFIG_AP
7157 } else if (os_strcmp(buf, "STA-FIRST") == 0) {
7158 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
7159 } else if (os_strncmp(buf, "STA ", 4) == 0) {
7160 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
7161 reply_size);
7162 } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
7163 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
7164 reply_size);
7165 } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
7166 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
7167 reply_len = -1;
7168 } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
7169 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
7170 reply_len = -1;
7171 } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
7172 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
7173 reply_len = -1;
7174 #endif /* CONFIG_AP */
7175 } else if (os_strcmp(buf, "SUSPEND") == 0) {
7176 wpas_notify_suspend(wpa_s->global);
7177 } else if (os_strcmp(buf, "RESUME") == 0) {
7178 wpas_notify_resume(wpa_s->global);
7179 #ifdef CONFIG_TESTING_OPTIONS
7180 } else if (os_strcmp(buf, "DROP_SA") == 0) {
7181 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
7182 #endif /* CONFIG_TESTING_OPTIONS */
7183 } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
7184 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
7185 reply_len = -1;
7186 } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
7187 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
7188 reply_len = -1;
7189 } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
7190 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
7191 reply_len = -1;
7192 } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
7193 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
7194 buf + 17))
7195 reply_len = -1;
7196 } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
7197 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
7198 reply_len = -1;
7199 #ifdef CONFIG_TDLS
7200 } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
7201 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
7202 reply_len = -1;
7203 } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
7204 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
7205 reply_len = -1;
7206 } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
7207 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
7208 reply_len = -1;
7209 #endif /* CONFIG_TDLS */
7210 } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
7211 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
7212 reply_size);
7213 } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
7214 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
7215 reply_size);
7216 #ifdef CONFIG_AUTOSCAN
7217 } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
7218 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
7219 reply_len = -1;
7220 #endif /* CONFIG_AUTOSCAN */
7221 #ifdef ANDROID
7222 } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
7223 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
7224 reply_size);
7225 #endif /* ANDROID */
7226 } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
7227 reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
7228 reply_size);
7229 } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
7230 pmksa_cache_clear_current(wpa_s->wpa);
7231 eapol_sm_request_reauth(wpa_s->eapol);
7232 #ifdef CONFIG_WNM
7233 } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
7234 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
7235 reply_len = -1;
7236 } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 10) == 0) {
7237 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 10))
7238 reply_len = -1;
7239 #endif /* CONFIG_WNM */
7240 } else if (os_strcmp(buf, "FLUSH") == 0) {
7241 wpa_supplicant_ctrl_iface_flush(wpa_s);
7242 } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
7243 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
7244 reply_size);
7245 #ifdef CONFIG_TESTING_OPTIONS
7246 } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
7247 if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
7248 reply_len = -1;
7249 } else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
7250 wpas_ctrl_iface_mgmt_tx_done(wpa_s);
7251 } else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
7252 if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
7253 reply_len = -1;
7254 } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
7255 if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
7256 reply_len = -1;
7257 } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
7258 if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
7259 reply_len = -1;
7260 } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
7261 if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
7262 reply_len = -1;
7263 #endif /* CONFIG_TESTING_OPTIONS */
7264 } else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
7265 if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
7266 reply_len = -1;
7267 } else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
7268 reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
7269 reply_size);
7270 } else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
7271 if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
7272 reply_len = -1;
7273 } else {
7274 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
7275 reply_len = 16;
7276 }
7277
7278 if (reply_len < 0) {
7279 os_memcpy(reply, "FAIL\n", 5);
7280 reply_len = 5;
7281 }
7282
7283 *resp_len = reply_len;
7284 return reply;
7285 }
7286
7287
7288 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
7289 char *cmd)
7290 {
7291 struct wpa_interface iface;
7292 char *pos;
7293
7294 /*
7295 * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
7296 * TAB<bridge_ifname>
7297 */
7298 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
7299
7300 os_memset(&iface, 0, sizeof(iface));
7301
7302 do {
7303 iface.ifname = pos = cmd;
7304 pos = os_strchr(pos, '\t');
7305 if (pos)
7306 *pos++ = '\0';
7307 if (iface.ifname[0] == '\0')
7308 return -1;
7309 if (pos == NULL)
7310 break;
7311
7312 iface.confname = pos;
7313 pos = os_strchr(pos, '\t');
7314 if (pos)
7315 *pos++ = '\0';
7316 if (iface.confname[0] == '\0')
7317 iface.confname = NULL;
7318 if (pos == NULL)
7319 break;
7320
7321 iface.driver = pos;
7322 pos = os_strchr(pos, '\t');
7323 if (pos)
7324 *pos++ = '\0';
7325 if (iface.driver[0] == '\0')
7326 iface.driver = NULL;
7327 if (pos == NULL)
7328 break;
7329
7330 iface.ctrl_interface = pos;
7331 pos = os_strchr(pos, '\t');
7332 if (pos)
7333 *pos++ = '\0';
7334 if (iface.ctrl_interface[0] == '\0')
7335 iface.ctrl_interface = NULL;
7336 if (pos == NULL)
7337 break;
7338
7339 iface.driver_param = pos;
7340 pos = os_strchr(pos, '\t');
7341 if (pos)
7342 *pos++ = '\0';
7343 if (iface.driver_param[0] == '\0')
7344 iface.driver_param = NULL;
7345 if (pos == NULL)
7346 break;
7347
7348 iface.bridge_ifname = pos;
7349 pos = os_strchr(pos, '\t');
7350 if (pos)
7351 *pos++ = '\0';
7352 if (iface.bridge_ifname[0] == '\0')
7353 iface.bridge_ifname = NULL;
7354 if (pos == NULL)
7355 break;
7356 } while (0);
7357
7358 if (wpa_supplicant_get_iface(global, iface.ifname))
7359 return -1;
7360
7361 return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
7362 }
7363
7364
7365 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
7366 char *cmd)
7367 {
7368 struct wpa_supplicant *wpa_s;
7369
7370 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
7371
7372 wpa_s = wpa_supplicant_get_iface(global, cmd);
7373 if (wpa_s == NULL)
7374 return -1;
7375 return wpa_supplicant_remove_iface(global, wpa_s, 0);
7376 }
7377
7378
7379 static void wpa_free_iface_info(struct wpa_interface_info *iface)
7380 {
7381 struct wpa_interface_info *prev;
7382
7383 while (iface) {
7384 prev = iface;
7385 iface = iface->next;
7386
7387 os_free(prev->ifname);
7388 os_free(prev->desc);
7389 os_free(prev);
7390 }
7391 }
7392
7393
7394 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
7395 char *buf, int len)
7396 {
7397 int i, res;
7398 struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
7399 char *pos, *end;
7400
7401 for (i = 0; wpa_drivers[i]; i++) {
7402 struct wpa_driver_ops *drv = wpa_drivers[i];
7403 if (drv->get_interfaces == NULL)
7404 continue;
7405 tmp = drv->get_interfaces(global->drv_priv[i]);
7406 if (tmp == NULL)
7407 continue;
7408
7409 if (last == NULL)
7410 iface = last = tmp;
7411 else
7412 last->next = tmp;
7413 while (last->next)
7414 last = last->next;
7415 }
7416
7417 pos = buf;
7418 end = buf + len;
7419 for (tmp = iface; tmp; tmp = tmp->next) {
7420 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
7421 tmp->drv_name, tmp->ifname,
7422 tmp->desc ? tmp->desc : "");
7423 if (res < 0 || res >= end - pos) {
7424 *pos = '\0';
7425 break;
7426 }
7427 pos += res;
7428 }
7429
7430 wpa_free_iface_info(iface);
7431
7432 return pos - buf;
7433 }
7434
7435
7436 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
7437 char *buf, int len)
7438 {
7439 int res;
7440 char *pos, *end;
7441 struct wpa_supplicant *wpa_s;
7442
7443 wpa_s = global->ifaces;
7444 pos = buf;
7445 end = buf + len;
7446
7447 while (wpa_s) {
7448 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
7449 if (res < 0 || res >= end - pos) {
7450 *pos = '\0';
7451 break;
7452 }
7453 pos += res;
7454 wpa_s = wpa_s->next;
7455 }
7456 return pos - buf;
7457 }
7458
7459
7460 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
7461 const char *ifname,
7462 char *cmd, size_t *resp_len)
7463 {
7464 struct wpa_supplicant *wpa_s;
7465
7466 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
7467 if (os_strcmp(ifname, wpa_s->ifname) == 0)
7468 break;
7469 }
7470
7471 if (wpa_s == NULL) {
7472 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
7473 if (resp)
7474 *resp_len = os_strlen(resp);
7475 else
7476 *resp_len = 1;
7477 return resp;
7478 }
7479
7480 return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
7481 }
7482
7483
7484 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
7485 char *buf, size_t *resp_len)
7486 {
7487 #ifdef CONFIG_P2P
7488 static const char * cmd[] = {
7489 "LIST_NETWORKS",
7490 "P2P_FIND",
7491 "P2P_STOP_FIND",
7492 "P2P_LISTEN",
7493 "P2P_GROUP_ADD",
7494 "P2P_GET_PASSPHRASE",
7495 "P2P_SERVICE_UPDATE",
7496 "P2P_SERVICE_FLUSH",
7497 "P2P_FLUSH",
7498 "P2P_CANCEL",
7499 "P2P_PRESENCE_REQ",
7500 "P2P_EXT_LISTEN",
7501 NULL
7502 };
7503 static const char * prefix[] = {
7504 #ifdef ANDROID
7505 "DRIVER ",
7506 #endif /* ANDROID */
7507 "GET_NETWORK ",
7508 "REMOVE_NETWORK ",
7509 "P2P_FIND ",
7510 "P2P_CONNECT ",
7511 "P2P_LISTEN ",
7512 "P2P_GROUP_REMOVE ",
7513 "P2P_GROUP_ADD ",
7514 "P2P_PROV_DISC ",
7515 "P2P_SERV_DISC_REQ ",
7516 "P2P_SERV_DISC_CANCEL_REQ ",
7517 "P2P_SERV_DISC_RESP ",
7518 "P2P_SERV_DISC_EXTERNAL ",
7519 "P2P_SERVICE_ADD ",
7520 "P2P_SERVICE_DEL ",
7521 "P2P_REJECT ",
7522 "P2P_INVITE ",
7523 "P2P_PEER ",
7524 "P2P_SET ",
7525 "P2P_UNAUTHORIZE ",
7526 "P2P_PRESENCE_REQ ",
7527 "P2P_EXT_LISTEN ",
7528 "P2P_REMOVE_CLIENT ",
7529 "NFC_GET_HANDOVER_SEL ",
7530 "NFC_GET_HANDOVER_REQ ",
7531 "NFC_REPORT_HANDOVER ",
7532 NULL
7533 };
7534 int found = 0;
7535 int i;
7536
7537 if (global->p2p_init_wpa_s == NULL)
7538 return NULL;
7539
7540 for (i = 0; !found && cmd[i]; i++) {
7541 if (os_strcmp(buf, cmd[i]) == 0)
7542 found = 1;
7543 }
7544
7545 for (i = 0; !found && prefix[i]; i++) {
7546 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
7547 found = 1;
7548 }
7549
7550 if (found)
7551 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
7552 buf, resp_len);
7553 #endif /* CONFIG_P2P */
7554 return NULL;
7555 }
7556
7557
7558 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
7559 char *buf, size_t *resp_len)
7560 {
7561 #ifdef CONFIG_WIFI_DISPLAY
7562 if (global->p2p_init_wpa_s == NULL)
7563 return NULL;
7564 if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
7565 os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
7566 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
7567 buf, resp_len);
7568 #endif /* CONFIG_WIFI_DISPLAY */
7569 return NULL;
7570 }
7571
7572
7573 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
7574 char *buf, size_t *resp_len)
7575 {
7576 char *ret;
7577
7578 ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
7579 if (ret)
7580 return ret;
7581
7582 ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
7583 if (ret)
7584 return ret;
7585
7586 return NULL;
7587 }
7588
7589
7590 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
7591 {
7592 char *value;
7593
7594 value = os_strchr(cmd, ' ');
7595 if (value == NULL)
7596 return -1;
7597 *value++ = '\0';
7598
7599 wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
7600
7601 #ifdef CONFIG_WIFI_DISPLAY
7602 if (os_strcasecmp(cmd, "wifi_display") == 0) {
7603 wifi_display_enable(global, !!atoi(value));
7604 return 0;
7605 }
7606 #endif /* CONFIG_WIFI_DISPLAY */
7607
7608 /* Restore cmd to its original value to allow redirection */
7609 value[-1] = ' ';
7610
7611 return -1;
7612 }
7613
7614
7615 #ifndef CONFIG_NO_CONFIG_WRITE
7616 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
7617 {
7618 int ret = 0, saved = 0;
7619 struct wpa_supplicant *wpa_s;
7620
7621 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
7622 if (!wpa_s->conf->update_config) {
7623 wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
7624 continue;
7625 }
7626
7627 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
7628 wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
7629 ret = 1;
7630 } else {
7631 wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
7632 saved++;
7633 }
7634 }
7635
7636 if (!saved && !ret) {
7637 wpa_dbg(wpa_s, MSG_DEBUG,
7638 "CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
7639 ret = 1;
7640 }
7641
7642 return ret;
7643 }
7644 #endif /* CONFIG_NO_CONFIG_WRITE */
7645
7646
7647 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
7648 char *buf, size_t buflen)
7649 {
7650 char *pos, *end;
7651 int ret;
7652 struct wpa_supplicant *wpa_s;
7653
7654 pos = buf;
7655 end = buf + buflen;
7656
7657 #ifdef CONFIG_P2P
7658 if (global->p2p && !global->p2p_disabled) {
7659 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
7660 "\n"
7661 "p2p_state=%s\n",
7662 MAC2STR(global->p2p_dev_addr),
7663 p2p_get_state_txt(global->p2p));
7664 if (ret < 0 || ret >= end - pos)
7665 return pos - buf;
7666 pos += ret;
7667 } else if (global->p2p) {
7668 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
7669 if (ret < 0 || ret >= end - pos)
7670 return pos - buf;
7671 pos += ret;
7672 }
7673 #endif /* CONFIG_P2P */
7674
7675 #ifdef CONFIG_WIFI_DISPLAY
7676 ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
7677 !!global->wifi_display);
7678 if (ret < 0 || ret >= end - pos)
7679 return pos - buf;
7680 pos += ret;
7681 #endif /* CONFIG_WIFI_DISPLAY */
7682
7683 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
7684 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
7685 "address=" MACSTR "\n",
7686 wpa_s->ifname, MAC2STR(wpa_s->own_addr));
7687 if (ret < 0 || ret >= end - pos)
7688 return pos - buf;
7689 pos += ret;
7690 }
7691
7692 return pos - buf;
7693 }
7694
7695
7696 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
7697 char *buf, size_t *resp_len)
7698 {
7699 char *reply;
7700 const int reply_size = 2048;
7701 int reply_len;
7702 int level = MSG_DEBUG;
7703
7704 if (os_strncmp(buf, "IFNAME=", 7) == 0) {
7705 char *pos = os_strchr(buf + 7, ' ');
7706 if (pos) {
7707 *pos++ = '\0';
7708 return wpas_global_ctrl_iface_ifname(global,
7709 buf + 7, pos,
7710 resp_len);
7711 }
7712 }
7713
7714 reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
7715 if (reply)
7716 return reply;
7717
7718 if (os_strcmp(buf, "PING") == 0)
7719 level = MSG_EXCESSIVE;
7720 wpa_hexdump_ascii(level, "RX global ctrl_iface",
7721 (const u8 *) buf, os_strlen(buf));
7722
7723 reply = os_malloc(reply_size);
7724 if (reply == NULL) {
7725 *resp_len = 1;
7726 return NULL;
7727 }
7728
7729 os_memcpy(reply, "OK\n", 3);
7730 reply_len = 3;
7731
7732 if (os_strcmp(buf, "PING") == 0) {
7733 os_memcpy(reply, "PONG\n", 5);
7734 reply_len = 5;
7735 } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
7736 if (wpa_supplicant_global_iface_add(global, buf + 14))
7737 reply_len = -1;
7738 } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
7739 if (wpa_supplicant_global_iface_remove(global, buf + 17))
7740 reply_len = -1;
7741 } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
7742 reply_len = wpa_supplicant_global_iface_list(
7743 global, reply, reply_size);
7744 } else if (os_strcmp(buf, "INTERFACES") == 0) {
7745 reply_len = wpa_supplicant_global_iface_interfaces(
7746 global, reply, reply_size);
7747 } else if (os_strcmp(buf, "TERMINATE") == 0) {
7748 wpa_supplicant_terminate_proc(global);
7749 } else if (os_strcmp(buf, "SUSPEND") == 0) {
7750 wpas_notify_suspend(global);
7751 } else if (os_strcmp(buf, "RESUME") == 0) {
7752 wpas_notify_resume(global);
7753 } else if (os_strncmp(buf, "SET ", 4) == 0) {
7754 if (wpas_global_ctrl_iface_set(global, buf + 4)) {
7755 #ifdef CONFIG_P2P
7756 if (global->p2p_init_wpa_s) {
7757 os_free(reply);
7758 /* Check if P2P redirection would work for this
7759 * command. */
7760 return wpa_supplicant_ctrl_iface_process(
7761 global->p2p_init_wpa_s,
7762 buf, resp_len);
7763 }
7764 #endif /* CONFIG_P2P */
7765 reply_len = -1;
7766 }
7767 #ifndef CONFIG_NO_CONFIG_WRITE
7768 } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
7769 if (wpas_global_ctrl_iface_save_config(global))
7770 reply_len = -1;
7771 #endif /* CONFIG_NO_CONFIG_WRITE */
7772 } else if (os_strcmp(buf, "STATUS") == 0) {
7773 reply_len = wpas_global_ctrl_iface_status(global, reply,
7774 reply_size);
7775 #ifdef CONFIG_MODULE_TESTS
7776 } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
7777 int wpas_module_tests(void);
7778 if (wpas_module_tests() < 0)
7779 reply_len = -1;
7780 #endif /* CONFIG_MODULE_TESTS */
7781 } else if (os_strncmp(buf, "RELOG", 5) == 0) {
7782 if (wpa_debug_reopen_file() < 0)
7783 reply_len = -1;
7784 } else {
7785 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
7786 reply_len = 16;
7787 }
7788
7789 if (reply_len < 0) {
7790 os_memcpy(reply, "FAIL\n", 5);
7791 reply_len = 5;
7792 }
7793
7794 *resp_len = reply_len;
7795 return reply;
7796 }
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