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Add mesh_group_{add,remove} control interface commands
[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 #ifdef CONFIG_MESH
2369
2370 static int wpa_supplicant_ctrl_iface_mesh_group_add(
2371 struct wpa_supplicant *wpa_s, char *cmd)
2372 {
2373 int id;
2374 struct wpa_ssid *ssid;
2375
2376 id = atoi(cmd);
2377 wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_ADD id=%d", id);
2378
2379 ssid = wpa_config_get_network(wpa_s->conf, id);
2380 if (ssid == NULL) {
2381 wpa_printf(MSG_DEBUG,
2382 "CTRL_IFACE: Could not find network id=%d", id);
2383 return -1;
2384 }
2385 if (ssid->mode != WPAS_MODE_MESH) {
2386 wpa_printf(MSG_DEBUG,
2387 "CTRL_IFACE: Cannot use MESH_GROUP_ADD on a non mesh network");
2388 return -1;
2389 }
2390
2391 /*
2392 * TODO: If necessary write our own group_add function,
2393 * for now we can reuse select_network
2394 */
2395 wpa_supplicant_select_network(wpa_s, ssid);
2396
2397 return 0;
2398 }
2399
2400
2401 static int wpa_supplicant_ctrl_iface_mesh_group_remove(
2402 struct wpa_supplicant *wpa_s, char *cmd)
2403 {
2404 if (!cmd) {
2405 wpa_printf(MSG_ERROR,
2406 "CTRL_IFACE: MESH_GROUP_REMOVE ifname cannot be empty");
2407 return -1;
2408 }
2409
2410 /*
2411 * TODO: Support a multiple mesh and other iface type combinations
2412 */
2413 if (os_strcmp(cmd, wpa_s->ifname) != 0) {
2414 wpa_printf(MSG_DEBUG,
2415 "CTRL_IFACE: MESH_GROUP_REMOVE unknown interface name: %s",
2416 cmd);
2417 return -1;
2418 }
2419
2420 wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s", cmd);
2421
2422 wpa_s->reassociate = 0;
2423 wpa_s->disconnected = 1;
2424 wpa_supplicant_cancel_sched_scan(wpa_s);
2425 wpa_supplicant_cancel_scan(wpa_s);
2426
2427 /*
2428 * TODO: If necessary write our own group_remove function,
2429 * for now we can reuse deauthenticate
2430 */
2431 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2432
2433 return 0;
2434 }
2435
2436 #endif /* CONFIG_MESH */
2437
2438
2439 static int wpa_supplicant_ctrl_iface_select_network(
2440 struct wpa_supplicant *wpa_s, char *cmd)
2441 {
2442 int id;
2443 struct wpa_ssid *ssid;
2444 char *pos;
2445
2446 /* cmd: "<network id>" or "any" */
2447 if (os_strncmp(cmd, "any", 3) == 0) {
2448 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2449 ssid = NULL;
2450 } else {
2451 id = atoi(cmd);
2452 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2453
2454 ssid = wpa_config_get_network(wpa_s->conf, id);
2455 if (ssid == NULL) {
2456 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2457 "network id=%d", id);
2458 return -1;
2459 }
2460 if (ssid->disabled == 2) {
2461 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2462 "SELECT_NETWORK with persistent P2P group");
2463 return -1;
2464 }
2465 }
2466
2467 pos = os_strstr(cmd, " freq=");
2468 if (pos) {
2469 int *freqs = freq_range_to_channel_list(wpa_s, pos + 6);
2470 if (freqs) {
2471 wpa_s->scan_req = MANUAL_SCAN_REQ;
2472 os_free(wpa_s->manual_scan_freqs);
2473 wpa_s->manual_scan_freqs = freqs;
2474 }
2475 }
2476
2477 wpa_supplicant_select_network(wpa_s, ssid);
2478
2479 return 0;
2480 }
2481
2482
2483 static int wpa_supplicant_ctrl_iface_enable_network(
2484 struct wpa_supplicant *wpa_s, char *cmd)
2485 {
2486 int id;
2487 struct wpa_ssid *ssid;
2488
2489 /* cmd: "<network id>" or "all" */
2490 if (os_strcmp(cmd, "all") == 0) {
2491 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2492 ssid = NULL;
2493 } else {
2494 id = atoi(cmd);
2495 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2496
2497 ssid = wpa_config_get_network(wpa_s->conf, id);
2498 if (ssid == NULL) {
2499 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2500 "network id=%d", id);
2501 return -1;
2502 }
2503 if (ssid->disabled == 2) {
2504 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2505 "ENABLE_NETWORK with persistent P2P group");
2506 return -1;
2507 }
2508
2509 if (os_strstr(cmd, " no-connect")) {
2510 ssid->disabled = 0;
2511 return 0;
2512 }
2513 }
2514 wpa_supplicant_enable_network(wpa_s, ssid);
2515
2516 return 0;
2517 }
2518
2519
2520 static int wpa_supplicant_ctrl_iface_disable_network(
2521 struct wpa_supplicant *wpa_s, char *cmd)
2522 {
2523 int id;
2524 struct wpa_ssid *ssid;
2525
2526 /* cmd: "<network id>" or "all" */
2527 if (os_strcmp(cmd, "all") == 0) {
2528 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2529 ssid = NULL;
2530 } else {
2531 id = atoi(cmd);
2532 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2533
2534 ssid = wpa_config_get_network(wpa_s->conf, id);
2535 if (ssid == NULL) {
2536 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2537 "network id=%d", id);
2538 return -1;
2539 }
2540 if (ssid->disabled == 2) {
2541 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2542 "DISABLE_NETWORK with persistent P2P "
2543 "group");
2544 return -1;
2545 }
2546 }
2547 wpa_supplicant_disable_network(wpa_s, ssid);
2548
2549 return 0;
2550 }
2551
2552
2553 static int wpa_supplicant_ctrl_iface_add_network(
2554 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2555 {
2556 struct wpa_ssid *ssid;
2557 int ret;
2558
2559 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2560
2561 ssid = wpa_config_add_network(wpa_s->conf);
2562 if (ssid == NULL)
2563 return -1;
2564
2565 wpas_notify_network_added(wpa_s, ssid);
2566
2567 ssid->disabled = 1;
2568 wpa_config_set_network_defaults(ssid);
2569
2570 ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2571 if (ret < 0 || (size_t) ret >= buflen)
2572 return -1;
2573 return ret;
2574 }
2575
2576
2577 static int wpa_supplicant_ctrl_iface_remove_network(
2578 struct wpa_supplicant *wpa_s, char *cmd)
2579 {
2580 int id;
2581 struct wpa_ssid *ssid;
2582 int was_disabled;
2583
2584 /* cmd: "<network id>" or "all" */
2585 if (os_strcmp(cmd, "all") == 0) {
2586 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2587 if (wpa_s->sched_scanning)
2588 wpa_supplicant_cancel_sched_scan(wpa_s);
2589
2590 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2591 if (wpa_s->current_ssid) {
2592 #ifdef CONFIG_SME
2593 wpa_s->sme.prev_bssid_set = 0;
2594 #endif /* CONFIG_SME */
2595 wpa_sm_set_config(wpa_s->wpa, NULL);
2596 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2597 wpa_supplicant_deauthenticate(
2598 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2599 }
2600 ssid = wpa_s->conf->ssid;
2601 while (ssid) {
2602 struct wpa_ssid *remove_ssid = ssid;
2603 id = ssid->id;
2604 ssid = ssid->next;
2605 if (wpa_s->last_ssid == remove_ssid)
2606 wpa_s->last_ssid = NULL;
2607 wpas_notify_network_removed(wpa_s, remove_ssid);
2608 wpa_config_remove_network(wpa_s->conf, id);
2609 }
2610 return 0;
2611 }
2612
2613 id = atoi(cmd);
2614 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2615
2616 ssid = wpa_config_get_network(wpa_s->conf, id);
2617 if (ssid)
2618 wpas_notify_network_removed(wpa_s, ssid);
2619 if (ssid == NULL) {
2620 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2621 "id=%d", id);
2622 return -1;
2623 }
2624
2625 if (wpa_s->last_ssid == ssid)
2626 wpa_s->last_ssid = NULL;
2627
2628 if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2629 #ifdef CONFIG_SME
2630 wpa_s->sme.prev_bssid_set = 0;
2631 #endif /* CONFIG_SME */
2632 /*
2633 * Invalidate the EAP session cache if the current or
2634 * previously used network is removed.
2635 */
2636 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2637 }
2638
2639 if (ssid == wpa_s->current_ssid) {
2640 wpa_sm_set_config(wpa_s->wpa, NULL);
2641 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2642
2643 wpa_supplicant_deauthenticate(wpa_s,
2644 WLAN_REASON_DEAUTH_LEAVING);
2645 }
2646
2647 was_disabled = ssid->disabled;
2648
2649 if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2650 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2651 "network id=%d", id);
2652 return -1;
2653 }
2654
2655 if (!was_disabled && wpa_s->sched_scanning) {
2656 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2657 "network from filters");
2658 wpa_supplicant_cancel_sched_scan(wpa_s);
2659 wpa_supplicant_req_scan(wpa_s, 0, 0);
2660 }
2661
2662 return 0;
2663 }
2664
2665
2666 static int wpa_supplicant_ctrl_iface_update_network(
2667 struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
2668 char *name, char *value)
2669 {
2670 if (wpa_config_set(ssid, name, value, 0) < 0) {
2671 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2672 "variable '%s'", name);
2673 return -1;
2674 }
2675
2676 if (os_strcmp(name, "bssid") != 0 &&
2677 os_strcmp(name, "priority") != 0)
2678 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2679
2680 if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2681 /*
2682 * Invalidate the EAP session cache if anything in the current
2683 * or previously used configuration changes.
2684 */
2685 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2686 }
2687
2688 if ((os_strcmp(name, "psk") == 0 &&
2689 value[0] == '"' && ssid->ssid_len) ||
2690 (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2691 wpa_config_update_psk(ssid);
2692 else if (os_strcmp(name, "priority") == 0)
2693 wpa_config_update_prio_list(wpa_s->conf);
2694 else if (os_strcmp(name, "no_auto_peer") == 0)
2695 ssid->no_auto_peer = atoi(value);
2696
2697 return 0;
2698 }
2699
2700
2701 static int wpa_supplicant_ctrl_iface_set_network(
2702 struct wpa_supplicant *wpa_s, char *cmd)
2703 {
2704 int id, ret, prev_bssid_set;
2705 struct wpa_ssid *ssid;
2706 char *name, *value;
2707 u8 prev_bssid[ETH_ALEN];
2708
2709 /* cmd: "<network id> <variable name> <value>" */
2710 name = os_strchr(cmd, ' ');
2711 if (name == NULL)
2712 return -1;
2713 *name++ = '\0';
2714
2715 value = os_strchr(name, ' ');
2716 if (value == NULL)
2717 return -1;
2718 *value++ = '\0';
2719
2720 id = atoi(cmd);
2721 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2722 id, name);
2723 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2724 (u8 *) value, os_strlen(value));
2725
2726 ssid = wpa_config_get_network(wpa_s->conf, id);
2727 if (ssid == NULL) {
2728 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2729 "id=%d", id);
2730 return -1;
2731 }
2732
2733 prev_bssid_set = ssid->bssid_set;
2734 os_memcpy(prev_bssid, ssid->bssid, ETH_ALEN);
2735 ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid, name,
2736 value);
2737 if (ret == 0 &&
2738 (ssid->bssid_set != prev_bssid_set ||
2739 os_memcmp(ssid->bssid, prev_bssid, ETH_ALEN) != 0))
2740 wpas_notify_network_bssid_set_changed(wpa_s, ssid);
2741 return ret;
2742 }
2743
2744
2745 static int wpa_supplicant_ctrl_iface_get_network(
2746 struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2747 {
2748 int id;
2749 size_t res;
2750 struct wpa_ssid *ssid;
2751 char *name, *value;
2752
2753 /* cmd: "<network id> <variable name>" */
2754 name = os_strchr(cmd, ' ');
2755 if (name == NULL || buflen == 0)
2756 return -1;
2757 *name++ = '\0';
2758
2759 id = atoi(cmd);
2760 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2761 id, name);
2762
2763 ssid = wpa_config_get_network(wpa_s->conf, id);
2764 if (ssid == NULL) {
2765 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2766 "id=%d", id);
2767 return -1;
2768 }
2769
2770 value = wpa_config_get_no_key(ssid, name);
2771 if (value == NULL) {
2772 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2773 "variable '%s'", name);
2774 return -1;
2775 }
2776
2777 res = os_strlcpy(buf, value, buflen);
2778 if (res >= buflen) {
2779 os_free(value);
2780 return -1;
2781 }
2782
2783 os_free(value);
2784
2785 return res;
2786 }
2787
2788
2789 static int wpa_supplicant_ctrl_iface_dup_network(
2790 struct wpa_supplicant *wpa_s, char *cmd)
2791 {
2792 struct wpa_ssid *ssid_s, *ssid_d;
2793 char *name, *id, *value;
2794 int id_s, id_d, ret;
2795
2796 /* cmd: "<src network id> <dst network id> <variable name>" */
2797 id = os_strchr(cmd, ' ');
2798 if (id == NULL)
2799 return -1;
2800 *id++ = '\0';
2801
2802 name = os_strchr(id, ' ');
2803 if (name == NULL)
2804 return -1;
2805 *name++ = '\0';
2806
2807 id_s = atoi(cmd);
2808 id_d = atoi(id);
2809 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DUP_NETWORK id=%d -> %d name='%s'",
2810 id_s, id_d, name);
2811
2812 ssid_s = wpa_config_get_network(wpa_s->conf, id_s);
2813 if (ssid_s == NULL) {
2814 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2815 "network id=%d", id_s);
2816 return -1;
2817 }
2818
2819 ssid_d = wpa_config_get_network(wpa_s->conf, id_d);
2820 if (ssid_d == NULL) {
2821 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2822 "network id=%d", id_s);
2823 return -1;
2824 }
2825
2826 value = wpa_config_get(ssid_s, name);
2827 if (value == NULL) {
2828 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2829 "variable '%s'", name);
2830 return -1;
2831 }
2832
2833 ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid_d, name,
2834 value);
2835
2836 os_free(value);
2837
2838 return ret;
2839 }
2840
2841
2842 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2843 char *buf, size_t buflen)
2844 {
2845 char *pos, *end;
2846 struct wpa_cred *cred;
2847 int ret;
2848
2849 pos = buf;
2850 end = buf + buflen;
2851 ret = os_snprintf(pos, end - pos,
2852 "cred id / realm / username / domain / imsi\n");
2853 if (ret < 0 || ret >= end - pos)
2854 return pos - buf;
2855 pos += ret;
2856
2857 cred = wpa_s->conf->cred;
2858 while (cred) {
2859 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2860 cred->id, cred->realm ? cred->realm : "",
2861 cred->username ? cred->username : "",
2862 cred->domain ? cred->domain[0] : "",
2863 cred->imsi ? cred->imsi : "");
2864 if (ret < 0 || ret >= end - pos)
2865 return pos - buf;
2866 pos += ret;
2867
2868 cred = cred->next;
2869 }
2870
2871 return pos - buf;
2872 }
2873
2874
2875 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2876 char *buf, size_t buflen)
2877 {
2878 struct wpa_cred *cred;
2879 int ret;
2880
2881 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2882
2883 cred = wpa_config_add_cred(wpa_s->conf);
2884 if (cred == NULL)
2885 return -1;
2886
2887 wpa_msg(wpa_s, MSG_INFO, CRED_ADDED "%d", cred->id);
2888
2889 ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2890 if (ret < 0 || (size_t) ret >= buflen)
2891 return -1;
2892 return ret;
2893 }
2894
2895
2896 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2897 struct wpa_cred *cred)
2898 {
2899 struct wpa_ssid *ssid;
2900 char str[20];
2901 int id;
2902
2903 if (cred == NULL) {
2904 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2905 return -1;
2906 }
2907
2908 id = cred->id;
2909 if (wpa_config_remove_cred(wpa_s->conf, id) < 0) {
2910 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2911 return -1;
2912 }
2913
2914 wpa_msg(wpa_s, MSG_INFO, CRED_REMOVED "%d", id);
2915
2916 /* Remove any network entry created based on the removed credential */
2917 ssid = wpa_s->conf->ssid;
2918 while (ssid) {
2919 if (ssid->parent_cred == cred) {
2920 wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2921 "used the removed credential", ssid->id);
2922 os_snprintf(str, sizeof(str), "%d", ssid->id);
2923 ssid = ssid->next;
2924 wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2925 } else
2926 ssid = ssid->next;
2927 }
2928
2929 return 0;
2930 }
2931
2932
2933 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2934 char *cmd)
2935 {
2936 int id;
2937 struct wpa_cred *cred, *prev;
2938
2939 /* cmd: "<cred id>", "all", "sp_fqdn=<FQDN>", or
2940 * "provisioning_sp=<FQDN> */
2941 if (os_strcmp(cmd, "all") == 0) {
2942 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2943 cred = wpa_s->conf->cred;
2944 while (cred) {
2945 prev = cred;
2946 cred = cred->next;
2947 wpas_ctrl_remove_cred(wpa_s, prev);
2948 }
2949 return 0;
2950 }
2951
2952 if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
2953 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
2954 cmd + 8);
2955 cred = wpa_s->conf->cred;
2956 while (cred) {
2957 prev = cred;
2958 cred = cred->next;
2959 if (prev->domain) {
2960 size_t i;
2961 for (i = 0; i < prev->num_domain; i++) {
2962 if (os_strcmp(prev->domain[i], cmd + 8)
2963 != 0)
2964 continue;
2965 wpas_ctrl_remove_cred(wpa_s, prev);
2966 break;
2967 }
2968 }
2969 }
2970 return 0;
2971 }
2972
2973 if (os_strncmp(cmd, "provisioning_sp=", 16) == 0) {
2974 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED provisioning SP FQDN '%s'",
2975 cmd + 16);
2976 cred = wpa_s->conf->cred;
2977 while (cred) {
2978 prev = cred;
2979 cred = cred->next;
2980 if (prev->provisioning_sp &&
2981 os_strcmp(prev->provisioning_sp, cmd + 16) == 0)
2982 wpas_ctrl_remove_cred(wpa_s, prev);
2983 }
2984 return 0;
2985 }
2986
2987 id = atoi(cmd);
2988 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2989
2990 cred = wpa_config_get_cred(wpa_s->conf, id);
2991 return wpas_ctrl_remove_cred(wpa_s, cred);
2992 }
2993
2994
2995 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2996 char *cmd)
2997 {
2998 int id;
2999 struct wpa_cred *cred;
3000 char *name, *value;
3001
3002 /* cmd: "<cred id> <variable name> <value>" */
3003 name = os_strchr(cmd, ' ');
3004 if (name == NULL)
3005 return -1;
3006 *name++ = '\0';
3007
3008 value = os_strchr(name, ' ');
3009 if (value == NULL)
3010 return -1;
3011 *value++ = '\0';
3012
3013 id = atoi(cmd);
3014 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
3015 id, name);
3016 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3017 (u8 *) value, os_strlen(value));
3018
3019 cred = wpa_config_get_cred(wpa_s->conf, id);
3020 if (cred == NULL) {
3021 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3022 id);
3023 return -1;
3024 }
3025
3026 if (wpa_config_set_cred(cred, name, value, 0) < 0) {
3027 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
3028 "variable '%s'", name);
3029 return -1;
3030 }
3031
3032 wpa_msg(wpa_s, MSG_INFO, CRED_MODIFIED "%d %s", cred->id, name);
3033
3034 return 0;
3035 }
3036
3037
3038 static int wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant *wpa_s,
3039 char *cmd, char *buf,
3040 size_t buflen)
3041 {
3042 int id;
3043 size_t res;
3044 struct wpa_cred *cred;
3045 char *name, *value;
3046
3047 /* cmd: "<cred id> <variable name>" */
3048 name = os_strchr(cmd, ' ');
3049 if (name == NULL)
3050 return -1;
3051 *name++ = '\0';
3052
3053 id = atoi(cmd);
3054 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CRED id=%d name='%s'",
3055 id, name);
3056
3057 cred = wpa_config_get_cred(wpa_s->conf, id);
3058 if (cred == NULL) {
3059 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3060 id);
3061 return -1;
3062 }
3063
3064 value = wpa_config_get_cred_no_key(cred, name);
3065 if (value == NULL) {
3066 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get cred variable '%s'",
3067 name);
3068 return -1;
3069 }
3070
3071 res = os_strlcpy(buf, value, buflen);
3072 if (res >= buflen) {
3073 os_free(value);
3074 return -1;
3075 }
3076
3077 os_free(value);
3078
3079 return res;
3080 }
3081
3082
3083 #ifndef CONFIG_NO_CONFIG_WRITE
3084 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
3085 {
3086 int ret;
3087
3088 if (!wpa_s->conf->update_config) {
3089 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
3090 "to update configuration (update_config=0)");
3091 return -1;
3092 }
3093
3094 ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
3095 if (ret) {
3096 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
3097 "update configuration");
3098 } else {
3099 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
3100 " updated");
3101 }
3102
3103 return ret;
3104 }
3105 #endif /* CONFIG_NO_CONFIG_WRITE */
3106
3107
3108 struct cipher_info {
3109 unsigned int capa;
3110 const char *name;
3111 int group_only;
3112 };
3113
3114 static const struct cipher_info ciphers[] = {
3115 { WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
3116 { WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
3117 { WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
3118 { WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
3119 { WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
3120 { WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
3121 { WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
3122 { WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
3123 };
3124
3125
3126 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
3127 struct wpa_driver_capa *capa,
3128 char *buf, size_t buflen)
3129 {
3130 int ret;
3131 char *pos, *end;
3132 size_t len;
3133 unsigned int i;
3134
3135 pos = buf;
3136 end = pos + buflen;
3137
3138 if (res < 0) {
3139 if (strict)
3140 return 0;
3141 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
3142 if (len >= buflen)
3143 return -1;
3144 return len;
3145 }
3146
3147 for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3148 if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
3149 ret = os_snprintf(pos, end - pos, "%s%s",
3150 pos == buf ? "" : " ",
3151 ciphers[i].name);
3152 if (ret < 0 || ret >= end - pos)
3153 return pos - buf;
3154 pos += ret;
3155 }
3156 }
3157
3158 return pos - buf;
3159 }
3160
3161
3162 static int ctrl_iface_get_capability_group(int res, char *strict,
3163 struct wpa_driver_capa *capa,
3164 char *buf, size_t buflen)
3165 {
3166 int ret;
3167 char *pos, *end;
3168 size_t len;
3169 unsigned int i;
3170
3171 pos = buf;
3172 end = pos + buflen;
3173
3174 if (res < 0) {
3175 if (strict)
3176 return 0;
3177 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
3178 if (len >= buflen)
3179 return -1;
3180 return len;
3181 }
3182
3183 for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3184 if (capa->enc & ciphers[i].capa) {
3185 ret = os_snprintf(pos, end - pos, "%s%s",
3186 pos == buf ? "" : " ",
3187 ciphers[i].name);
3188 if (ret < 0 || ret >= end - pos)
3189 return pos - buf;
3190 pos += ret;
3191 }
3192 }
3193
3194 return pos - buf;
3195 }
3196
3197
3198 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
3199 struct wpa_driver_capa *capa,
3200 char *buf, size_t buflen)
3201 {
3202 int ret;
3203 char *pos, *end;
3204 size_t len;
3205
3206 pos = buf;
3207 end = pos + buflen;
3208
3209 if (res < 0) {
3210 if (strict)
3211 return 0;
3212 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
3213 "NONE", buflen);
3214 if (len >= buflen)
3215 return -1;
3216 return len;
3217 }
3218
3219 ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
3220 if (ret < 0 || ret >= end - pos)
3221 return pos - buf;
3222 pos += ret;
3223
3224 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3225 WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
3226 ret = os_snprintf(pos, end - pos, " WPA-EAP");
3227 if (ret < 0 || ret >= end - pos)
3228 return pos - buf;
3229 pos += ret;
3230 }
3231
3232 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3233 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3234 ret = os_snprintf(pos, end - pos, " WPA-PSK");
3235 if (ret < 0 || ret >= end - pos)
3236 return pos - buf;
3237 pos += ret;
3238 }
3239
3240 if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
3241 ret = os_snprintf(pos, end - pos, " WPA-NONE");
3242 if (ret < 0 || ret >= end - pos)
3243 return pos - buf;
3244 pos += ret;
3245 }
3246
3247 return pos - buf;
3248 }
3249
3250
3251 static int ctrl_iface_get_capability_proto(int res, char *strict,
3252 struct wpa_driver_capa *capa,
3253 char *buf, size_t buflen)
3254 {
3255 int ret;
3256 char *pos, *end;
3257 size_t len;
3258
3259 pos = buf;
3260 end = pos + buflen;
3261
3262 if (res < 0) {
3263 if (strict)
3264 return 0;
3265 len = os_strlcpy(buf, "RSN WPA", buflen);
3266 if (len >= buflen)
3267 return -1;
3268 return len;
3269 }
3270
3271 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3272 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3273 ret = os_snprintf(pos, end - pos, "%sRSN",
3274 pos == buf ? "" : " ");
3275 if (ret < 0 || ret >= end - pos)
3276 return pos - buf;
3277 pos += ret;
3278 }
3279
3280 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3281 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
3282 ret = os_snprintf(pos, end - pos, "%sWPA",
3283 pos == buf ? "" : " ");
3284 if (ret < 0 || ret >= end - pos)
3285 return pos - buf;
3286 pos += ret;
3287 }
3288
3289 return pos - buf;
3290 }
3291
3292
3293 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
3294 struct wpa_driver_capa *capa,
3295 char *buf, size_t buflen)
3296 {
3297 int ret;
3298 char *pos, *end;
3299 size_t len;
3300
3301 pos = buf;
3302 end = pos + buflen;
3303
3304 if (res < 0) {
3305 if (strict)
3306 return 0;
3307 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3308 if (len >= buflen)
3309 return -1;
3310 return len;
3311 }
3312
3313 if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3314 ret = os_snprintf(pos, end - pos, "%sOPEN",
3315 pos == buf ? "" : " ");
3316 if (ret < 0 || ret >= end - pos)
3317 return pos - buf;
3318 pos += ret;
3319 }
3320
3321 if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
3322 ret = os_snprintf(pos, end - pos, "%sSHARED",
3323 pos == buf ? "" : " ");
3324 if (ret < 0 || ret >= end - pos)
3325 return pos - buf;
3326 pos += ret;
3327 }
3328
3329 if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3330 ret = os_snprintf(pos, end - pos, "%sLEAP",
3331 pos == buf ? "" : " ");
3332 if (ret < 0 || ret >= end - pos)
3333 return pos - buf;
3334 pos += ret;
3335 }
3336
3337 return pos - buf;
3338 }
3339
3340
3341 static int ctrl_iface_get_capability_modes(int res, char *strict,
3342 struct wpa_driver_capa *capa,
3343 char *buf, size_t buflen)
3344 {
3345 int ret;
3346 char *pos, *end;
3347 size_t len;
3348
3349 pos = buf;
3350 end = pos + buflen;
3351
3352 if (res < 0) {
3353 if (strict)
3354 return 0;
3355 len = os_strlcpy(buf, "IBSS AP", buflen);
3356 if (len >= buflen)
3357 return -1;
3358 return len;
3359 }
3360
3361 if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3362 ret = os_snprintf(pos, end - pos, "%sIBSS",
3363 pos == buf ? "" : " ");
3364 if (ret < 0 || ret >= end - pos)
3365 return pos - buf;
3366 pos += ret;
3367 }
3368
3369 if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3370 ret = os_snprintf(pos, end - pos, "%sAP",
3371 pos == buf ? "" : " ");
3372 if (ret < 0 || ret >= end - pos)
3373 return pos - buf;
3374 pos += ret;
3375 }
3376
3377 return pos - buf;
3378 }
3379
3380
3381 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3382 char *buf, size_t buflen)
3383 {
3384 struct hostapd_channel_data *chnl;
3385 int ret, i, j;
3386 char *pos, *end, *hmode;
3387
3388 pos = buf;
3389 end = pos + buflen;
3390
3391 for (j = 0; j < wpa_s->hw.num_modes; j++) {
3392 switch (wpa_s->hw.modes[j].mode) {
3393 case HOSTAPD_MODE_IEEE80211B:
3394 hmode = "B";
3395 break;
3396 case HOSTAPD_MODE_IEEE80211G:
3397 hmode = "G";
3398 break;
3399 case HOSTAPD_MODE_IEEE80211A:
3400 hmode = "A";
3401 break;
3402 case HOSTAPD_MODE_IEEE80211AD:
3403 hmode = "AD";
3404 break;
3405 default:
3406 continue;
3407 }
3408 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3409 if (ret < 0 || ret >= end - pos)
3410 return pos - buf;
3411 pos += ret;
3412 chnl = wpa_s->hw.modes[j].channels;
3413 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3414 if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3415 continue;
3416 ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3417 if (ret < 0 || ret >= end - pos)
3418 return pos - buf;
3419 pos += ret;
3420 }
3421 ret = os_snprintf(pos, end - pos, "\n");
3422 if (ret < 0 || ret >= end - pos)
3423 return pos - buf;
3424 pos += ret;
3425 }
3426
3427 return pos - buf;
3428 }
3429
3430
3431 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3432 char *buf, size_t buflen)
3433 {
3434 struct hostapd_channel_data *chnl;
3435 int ret, i, j;
3436 char *pos, *end, *hmode;
3437
3438 pos = buf;
3439 end = pos + buflen;
3440
3441 for (j = 0; j < wpa_s->hw.num_modes; j++) {
3442 switch (wpa_s->hw.modes[j].mode) {
3443 case HOSTAPD_MODE_IEEE80211B:
3444 hmode = "B";
3445 break;
3446 case HOSTAPD_MODE_IEEE80211G:
3447 hmode = "G";
3448 break;
3449 case HOSTAPD_MODE_IEEE80211A:
3450 hmode = "A";
3451 break;
3452 case HOSTAPD_MODE_IEEE80211AD:
3453 hmode = "AD";
3454 break;
3455 default:
3456 continue;
3457 }
3458 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3459 hmode);
3460 if (ret < 0 || ret >= end - pos)
3461 return pos - buf;
3462 pos += ret;
3463 chnl = wpa_s->hw.modes[j].channels;
3464 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3465 if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3466 continue;
3467 ret = os_snprintf(pos, end - pos, " %d = %d MHz%s%s\n",
3468 chnl[i].chan, chnl[i].freq,
3469 chnl[i].flag & HOSTAPD_CHAN_NO_IR ?
3470 " (NO_IR)" : "",
3471 chnl[i].flag & HOSTAPD_CHAN_RADAR ?
3472 " (DFS)" : "");
3473
3474 if (ret < 0 || ret >= end - pos)
3475 return pos - buf;
3476 pos += ret;
3477 }
3478 ret = os_snprintf(pos, end - pos, "\n");
3479 if (ret < 0 || ret >= end - pos)
3480 return pos - buf;
3481 pos += ret;
3482 }
3483
3484 return pos - buf;
3485 }
3486
3487
3488 static int wpa_supplicant_ctrl_iface_get_capability(
3489 struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3490 size_t buflen)
3491 {
3492 struct wpa_driver_capa capa;
3493 int res;
3494 char *strict;
3495 char field[30];
3496 size_t len;
3497
3498 /* Determine whether or not strict checking was requested */
3499 len = os_strlcpy(field, _field, sizeof(field));
3500 if (len >= sizeof(field))
3501 return -1;
3502 strict = os_strchr(field, ' ');
3503 if (strict != NULL) {
3504 *strict++ = '\0';
3505 if (os_strcmp(strict, "strict") != 0)
3506 return -1;
3507 }
3508
3509 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3510 field, strict ? strict : "");
3511
3512 if (os_strcmp(field, "eap") == 0) {
3513 return eap_get_names(buf, buflen);
3514 }
3515
3516 res = wpa_drv_get_capa(wpa_s, &capa);
3517
3518 if (os_strcmp(field, "pairwise") == 0)
3519 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3520 buf, buflen);
3521
3522 if (os_strcmp(field, "group") == 0)
3523 return ctrl_iface_get_capability_group(res, strict, &capa,
3524 buf, buflen);
3525
3526 if (os_strcmp(field, "key_mgmt") == 0)
3527 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3528 buf, buflen);
3529
3530 if (os_strcmp(field, "proto") == 0)
3531 return ctrl_iface_get_capability_proto(res, strict, &capa,
3532 buf, buflen);
3533
3534 if (os_strcmp(field, "auth_alg") == 0)
3535 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
3536 buf, buflen);
3537
3538 if (os_strcmp(field, "modes") == 0)
3539 return ctrl_iface_get_capability_modes(res, strict, &capa,
3540 buf, buflen);
3541
3542 if (os_strcmp(field, "channels") == 0)
3543 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3544
3545 if (os_strcmp(field, "freq") == 0)
3546 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3547
3548 #ifdef CONFIG_TDLS
3549 if (os_strcmp(field, "tdls") == 0)
3550 return ctrl_iface_get_capability_tdls(wpa_s, buf, buflen);
3551 #endif /* CONFIG_TDLS */
3552
3553 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3554 field);
3555
3556 return -1;
3557 }
3558
3559
3560 #ifdef CONFIG_INTERWORKING
3561 static char * anqp_add_hex(char *pos, char *end, const char *title,
3562 struct wpabuf *data)
3563 {
3564 char *start = pos;
3565 size_t i;
3566 int ret;
3567 const u8 *d;
3568
3569 if (data == NULL)
3570 return start;
3571
3572 ret = os_snprintf(pos, end - pos, "%s=", title);
3573 if (ret < 0 || ret >= end - pos)
3574 return start;
3575 pos += ret;
3576
3577 d = wpabuf_head_u8(data);
3578 for (i = 0; i < wpabuf_len(data); i++) {
3579 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3580 if (ret < 0 || ret >= end - pos)
3581 return start;
3582 pos += ret;
3583 }
3584
3585 ret = os_snprintf(pos, end - pos, "\n");
3586 if (ret < 0 || ret >= end - pos)
3587 return start;
3588 pos += ret;
3589
3590 return pos;
3591 }
3592 #endif /* CONFIG_INTERWORKING */
3593
3594
3595 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3596 unsigned long mask, char *buf, size_t buflen)
3597 {
3598 size_t i;
3599 int ret;
3600 char *pos, *end;
3601 const u8 *ie, *ie2;
3602
3603 pos = buf;
3604 end = buf + buflen;
3605
3606 if (mask & WPA_BSS_MASK_ID) {
3607 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3608 if (ret < 0 || ret >= end - pos)
3609 return 0;
3610 pos += ret;
3611 }
3612
3613 if (mask & WPA_BSS_MASK_BSSID) {
3614 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3615 MAC2STR(bss->bssid));
3616 if (ret < 0 || ret >= end - pos)
3617 return 0;
3618 pos += ret;
3619 }
3620
3621 if (mask & WPA_BSS_MASK_FREQ) {
3622 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
3623 if (ret < 0 || ret >= end - pos)
3624 return 0;
3625 pos += ret;
3626 }
3627
3628 if (mask & WPA_BSS_MASK_BEACON_INT) {
3629 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
3630 bss->beacon_int);
3631 if (ret < 0 || ret >= end - pos)
3632 return 0;
3633 pos += ret;
3634 }
3635
3636 if (mask & WPA_BSS_MASK_CAPABILITIES) {
3637 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
3638 bss->caps);
3639 if (ret < 0 || ret >= end - pos)
3640 return 0;
3641 pos += ret;
3642 }
3643
3644 if (mask & WPA_BSS_MASK_QUAL) {
3645 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
3646 if (ret < 0 || ret >= end - pos)
3647 return 0;
3648 pos += ret;
3649 }
3650
3651 if (mask & WPA_BSS_MASK_NOISE) {
3652 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3653 if (ret < 0 || ret >= end - pos)
3654 return 0;
3655 pos += ret;
3656 }
3657
3658 if (mask & WPA_BSS_MASK_LEVEL) {
3659 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3660 if (ret < 0 || ret >= end - pos)
3661 return 0;
3662 pos += ret;
3663 }
3664
3665 if (mask & WPA_BSS_MASK_TSF) {
3666 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
3667 (unsigned long long) bss->tsf);
3668 if (ret < 0 || ret >= end - pos)
3669 return 0;
3670 pos += ret;
3671 }
3672
3673 if (mask & WPA_BSS_MASK_AGE) {
3674 struct os_reltime now;
3675
3676 os_get_reltime(&now);
3677 ret = os_snprintf(pos, end - pos, "age=%d\n",
3678 (int) (now.sec - bss->last_update.sec));
3679 if (ret < 0 || ret >= end - pos)
3680 return 0;
3681 pos += ret;
3682 }
3683
3684 if (mask & WPA_BSS_MASK_IE) {
3685 ret = os_snprintf(pos, end - pos, "ie=");
3686 if (ret < 0 || ret >= end - pos)
3687 return 0;
3688 pos += ret;
3689
3690 ie = (const u8 *) (bss + 1);
3691 for (i = 0; i < bss->ie_len; i++) {
3692 ret = os_snprintf(pos, end - pos, "%02x", *ie++);
3693 if (ret < 0 || ret >= end - pos)
3694 return 0;
3695 pos += ret;
3696 }
3697
3698 ret = os_snprintf(pos, end - pos, "\n");
3699 if (ret < 0 || ret >= end - pos)
3700 return 0;
3701 pos += ret;
3702 }
3703
3704 if (mask & WPA_BSS_MASK_FLAGS) {
3705 ret = os_snprintf(pos, end - pos, "flags=");
3706 if (ret < 0 || ret >= end - pos)
3707 return 0;
3708 pos += ret;
3709
3710 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
3711 if (ie)
3712 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
3713 2 + ie[1]);
3714 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
3715 if (ie2)
3716 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
3717 2 + ie2[1]);
3718 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
3719 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3720 ret = os_snprintf(pos, end - pos, "[WEP]");
3721 if (ret < 0 || ret >= end - pos)
3722 return 0;
3723 pos += ret;
3724 }
3725 if (bss_is_dmg(bss)) {
3726 const char *s;
3727 ret = os_snprintf(pos, end - pos, "[DMG]");
3728 if (ret < 0 || ret >= end - pos)
3729 return 0;
3730 pos += ret;
3731 switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
3732 case IEEE80211_CAP_DMG_IBSS:
3733 s = "[IBSS]";
3734 break;
3735 case IEEE80211_CAP_DMG_AP:
3736 s = "[ESS]";
3737 break;
3738 case IEEE80211_CAP_DMG_PBSS:
3739 s = "[PBSS]";
3740 break;
3741 default:
3742 s = "";
3743 break;
3744 }
3745 ret = os_snprintf(pos, end - pos, "%s", s);
3746 if (ret < 0 || ret >= end - pos)
3747 return 0;
3748 pos += ret;
3749 } else {
3750 if (bss->caps & IEEE80211_CAP_IBSS) {
3751 ret = os_snprintf(pos, end - pos, "[IBSS]");
3752 if (ret < 0 || ret >= end - pos)
3753 return 0;
3754 pos += ret;
3755 }
3756 if (bss->caps & IEEE80211_CAP_ESS) {
3757 ret = os_snprintf(pos, end - pos, "[ESS]");
3758 if (ret < 0 || ret >= end - pos)
3759 return 0;
3760 pos += ret;
3761 }
3762 }
3763 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
3764 wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
3765 ret = os_snprintf(pos, end - pos, "[P2P]");
3766 if (ret < 0 || ret >= end - pos)
3767 return 0;
3768 pos += ret;
3769 }
3770 #ifdef CONFIG_HS20
3771 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3772 ret = os_snprintf(pos, end - pos, "[HS20]");
3773 if (ret < 0 || ret >= end - pos)
3774 return 0;
3775 pos += ret;
3776 }
3777 #endif /* CONFIG_HS20 */
3778
3779 ret = os_snprintf(pos, end - pos, "\n");
3780 if (ret < 0 || ret >= end - pos)
3781 return 0;
3782 pos += ret;
3783 }
3784
3785 if (mask & WPA_BSS_MASK_SSID) {
3786 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3787 wpa_ssid_txt(bss->ssid, bss->ssid_len));
3788 if (ret < 0 || ret >= end - pos)
3789 return 0;
3790 pos += ret;
3791 }
3792
3793 #ifdef CONFIG_WPS
3794 if (mask & WPA_BSS_MASK_WPS_SCAN) {
3795 ie = (const u8 *) (bss + 1);
3796 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3797 if (ret < 0 || ret >= end - pos)
3798 return 0;
3799 pos += ret;
3800 }
3801 #endif /* CONFIG_WPS */
3802
3803 #ifdef CONFIG_P2P
3804 if (mask & WPA_BSS_MASK_P2P_SCAN) {
3805 ie = (const u8 *) (bss + 1);
3806 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3807 if (ret < 0 || ret >= end - pos)
3808 return 0;
3809 pos += ret;
3810 }
3811 #endif /* CONFIG_P2P */
3812
3813 #ifdef CONFIG_WIFI_DISPLAY
3814 if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3815 struct wpabuf *wfd;
3816 ie = (const u8 *) (bss + 1);
3817 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3818 WFD_IE_VENDOR_TYPE);
3819 if (wfd) {
3820 ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3821 if (ret < 0 || ret >= end - pos) {
3822 wpabuf_free(wfd);
3823 return 0;
3824 }
3825 pos += ret;
3826
3827 pos += wpa_snprintf_hex(pos, end - pos,
3828 wpabuf_head(wfd),
3829 wpabuf_len(wfd));
3830 wpabuf_free(wfd);
3831
3832 ret = os_snprintf(pos, end - pos, "\n");
3833 if (ret < 0 || ret >= end - pos)
3834 return 0;
3835 pos += ret;
3836 }
3837 }
3838 #endif /* CONFIG_WIFI_DISPLAY */
3839
3840 #ifdef CONFIG_INTERWORKING
3841 if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3842 struct wpa_bss_anqp *anqp = bss->anqp;
3843 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3844 anqp->venue_name);
3845 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3846 anqp->network_auth_type);
3847 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3848 anqp->roaming_consortium);
3849 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3850 anqp->ip_addr_type_availability);
3851 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3852 anqp->nai_realm);
3853 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3854 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3855 anqp->domain_name);
3856 #ifdef CONFIG_HS20
3857 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3858 anqp->hs20_operator_friendly_name);
3859 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3860 anqp->hs20_wan_metrics);
3861 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3862 anqp->hs20_connection_capability);
3863 pos = anqp_add_hex(pos, end, "hs20_operating_class",
3864 anqp->hs20_operating_class);
3865 pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
3866 anqp->hs20_osu_providers_list);
3867 #endif /* CONFIG_HS20 */
3868 }
3869 #endif /* CONFIG_INTERWORKING */
3870
3871 if (mask & WPA_BSS_MASK_DELIM) {
3872 ret = os_snprintf(pos, end - pos, "====\n");
3873 if (ret < 0 || ret >= end - pos)
3874 return 0;
3875 pos += ret;
3876 }
3877
3878 return pos - buf;
3879 }
3880
3881
3882 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3883 const char *cmd, char *buf,
3884 size_t buflen)
3885 {
3886 u8 bssid[ETH_ALEN];
3887 size_t i;
3888 struct wpa_bss *bss;
3889 struct wpa_bss *bsslast = NULL;
3890 struct dl_list *next;
3891 int ret = 0;
3892 int len;
3893 char *ctmp;
3894 unsigned long mask = WPA_BSS_MASK_ALL;
3895
3896 if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3897 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3898 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3899 list_id);
3900 bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3901 list_id);
3902 } else { /* N1-N2 */
3903 unsigned int id1, id2;
3904
3905 if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3906 wpa_printf(MSG_INFO, "Wrong BSS range "
3907 "format");
3908 return 0;
3909 }
3910
3911 if (*(cmd + 6) == '-')
3912 id1 = 0;
3913 else
3914 id1 = atoi(cmd + 6);
3915 ctmp++;
3916 if (*ctmp >= '0' && *ctmp <= '9')
3917 id2 = atoi(ctmp);
3918 else
3919 id2 = (unsigned int) -1;
3920 bss = wpa_bss_get_id_range(wpa_s, id1, id2);
3921 if (id2 == (unsigned int) -1)
3922 bsslast = dl_list_last(&wpa_s->bss_id,
3923 struct wpa_bss,
3924 list_id);
3925 else {
3926 bsslast = wpa_bss_get_id(wpa_s, id2);
3927 if (bsslast == NULL && bss && id2 > id1) {
3928 struct wpa_bss *tmp = bss;
3929 for (;;) {
3930 next = tmp->list_id.next;
3931 if (next == &wpa_s->bss_id)
3932 break;
3933 tmp = dl_list_entry(
3934 next, struct wpa_bss,
3935 list_id);
3936 if (tmp->id > id2)
3937 break;
3938 bsslast = tmp;
3939 }
3940 }
3941 }
3942 }
3943 } else if (os_strncmp(cmd, "FIRST", 5) == 0)
3944 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3945 else if (os_strncmp(cmd, "LAST", 4) == 0)
3946 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
3947 else if (os_strncmp(cmd, "ID-", 3) == 0) {
3948 i = atoi(cmd + 3);
3949 bss = wpa_bss_get_id(wpa_s, i);
3950 } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3951 i = atoi(cmd + 5);
3952 bss = wpa_bss_get_id(wpa_s, i);
3953 if (bss) {
3954 next = bss->list_id.next;
3955 if (next == &wpa_s->bss_id)
3956 bss = NULL;
3957 else
3958 bss = dl_list_entry(next, struct wpa_bss,
3959 list_id);
3960 }
3961 #ifdef CONFIG_P2P
3962 } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3963 if (hwaddr_aton(cmd + 13, bssid) == 0)
3964 bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3965 else
3966 bss = NULL;
3967 #endif /* CONFIG_P2P */
3968 } else if (hwaddr_aton(cmd, bssid) == 0)
3969 bss = wpa_bss_get_bssid(wpa_s, bssid);
3970 else {
3971 struct wpa_bss *tmp;
3972 i = atoi(cmd);
3973 bss = NULL;
3974 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3975 {
3976 if (i-- == 0) {
3977 bss = tmp;
3978 break;
3979 }
3980 }
3981 }
3982
3983 if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3984 mask = strtoul(ctmp + 5, NULL, 0x10);
3985 if (mask == 0)
3986 mask = WPA_BSS_MASK_ALL;
3987 }
3988
3989 if (bss == NULL)
3990 return 0;
3991
3992 if (bsslast == NULL)
3993 bsslast = bss;
3994 do {
3995 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3996 ret += len;
3997 buf += len;
3998 buflen -= len;
3999 if (bss == bsslast) {
4000 if ((mask & WPA_BSS_MASK_DELIM) && len &&
4001 (bss == dl_list_last(&wpa_s->bss_id,
4002 struct wpa_bss, list_id)))
4003 os_snprintf(buf - 5, 5, "####\n");
4004 break;
4005 }
4006 next = bss->list_id.next;
4007 if (next == &wpa_s->bss_id)
4008 break;
4009 bss = dl_list_entry(next, struct wpa_bss, list_id);
4010 } while (bss && len);
4011
4012 return ret;
4013 }
4014
4015
4016 static int wpa_supplicant_ctrl_iface_ap_scan(
4017 struct wpa_supplicant *wpa_s, char *cmd)
4018 {
4019 int ap_scan = atoi(cmd);
4020 return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
4021 }
4022
4023
4024 static int wpa_supplicant_ctrl_iface_scan_interval(
4025 struct wpa_supplicant *wpa_s, char *cmd)
4026 {
4027 int scan_int = atoi(cmd);
4028 return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
4029 }
4030
4031
4032 static int wpa_supplicant_ctrl_iface_bss_expire_age(
4033 struct wpa_supplicant *wpa_s, char *cmd)
4034 {
4035 int expire_age = atoi(cmd);
4036 return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
4037 }
4038
4039
4040 static int wpa_supplicant_ctrl_iface_bss_expire_count(
4041 struct wpa_supplicant *wpa_s, char *cmd)
4042 {
4043 int expire_count = atoi(cmd);
4044 return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
4045 }
4046
4047
4048 static int wpa_supplicant_ctrl_iface_bss_flush(
4049 struct wpa_supplicant *wpa_s, char *cmd)
4050 {
4051 int flush_age = atoi(cmd);
4052
4053 if (flush_age == 0)
4054 wpa_bss_flush(wpa_s);
4055 else
4056 wpa_bss_flush_by_age(wpa_s, flush_age);
4057 return 0;
4058 }
4059
4060
4061 #ifdef CONFIG_TESTING_OPTIONS
4062 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
4063 {
4064 wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
4065 /* MLME-DELETEKEYS.request */
4066 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
4067 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
4068 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
4069 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
4070 #ifdef CONFIG_IEEE80211W
4071 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
4072 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
4073 #endif /* CONFIG_IEEE80211W */
4074
4075 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
4076 0);
4077 /* MLME-SETPROTECTION.request(None) */
4078 wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
4079 MLME_SETPROTECTION_PROTECT_TYPE_NONE,
4080 MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
4081 wpa_sm_drop_sa(wpa_s->wpa);
4082 }
4083 #endif /* CONFIG_TESTING_OPTIONS */
4084
4085
4086 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
4087 char *addr)
4088 {
4089 #ifdef CONFIG_NO_SCAN_PROCESSING
4090 return -1;
4091 #else /* CONFIG_NO_SCAN_PROCESSING */
4092 u8 bssid[ETH_ALEN];
4093 struct wpa_bss *bss;
4094 struct wpa_ssid *ssid = wpa_s->current_ssid;
4095
4096 if (hwaddr_aton(addr, bssid)) {
4097 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
4098 "address '%s'", addr);
4099 return -1;
4100 }
4101
4102 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
4103
4104 if (!ssid) {
4105 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
4106 "configuration known for the target AP");
4107 return -1;
4108 }
4109
4110 bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
4111 if (!bss) {
4112 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
4113 "from BSS table");
4114 return -1;
4115 }
4116
4117 /*
4118 * TODO: Find best network configuration block from configuration to
4119 * allow roaming to other networks
4120 */
4121
4122 wpa_s->reassociate = 1;
4123 wpa_supplicant_connect(wpa_s, bss, ssid);
4124
4125 return 0;
4126 #endif /* CONFIG_NO_SCAN_PROCESSING */
4127 }
4128
4129
4130 #ifdef CONFIG_P2P
4131 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
4132 {
4133 unsigned int timeout = atoi(cmd);
4134 enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
4135 u8 dev_id[ETH_ALEN], *_dev_id = NULL;
4136 u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
4137 char *pos;
4138 unsigned int search_delay;
4139
4140 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4141 wpa_dbg(wpa_s, MSG_INFO,
4142 "Reject P2P_FIND since interface is disabled");
4143 return -1;
4144 }
4145 if (os_strstr(cmd, "type=social"))
4146 type = P2P_FIND_ONLY_SOCIAL;
4147 else if (os_strstr(cmd, "type=progressive"))
4148 type = P2P_FIND_PROGRESSIVE;
4149
4150 pos = os_strstr(cmd, "dev_id=");
4151 if (pos) {
4152 pos += 7;
4153 if (hwaddr_aton(pos, dev_id))
4154 return -1;
4155 _dev_id = dev_id;
4156 }
4157
4158 pos = os_strstr(cmd, "dev_type=");
4159 if (pos) {
4160 pos += 9;
4161 if (wps_dev_type_str2bin(pos, dev_type) < 0)
4162 return -1;
4163 _dev_type = dev_type;
4164 }
4165
4166 pos = os_strstr(cmd, "delay=");
4167 if (pos) {
4168 pos += 6;
4169 search_delay = atoi(pos);
4170 } else
4171 search_delay = wpas_p2p_search_delay(wpa_s);
4172
4173 return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
4174 _dev_id, search_delay);
4175 }
4176
4177
4178 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
4179 char *buf, size_t buflen)
4180 {
4181 u8 addr[ETH_ALEN];
4182 char *pos, *pos2;
4183 char *pin = NULL;
4184 enum p2p_wps_method wps_method;
4185 int new_pin;
4186 int ret;
4187 int persistent_group, persistent_id = -1;
4188 int join;
4189 int auth;
4190 int automatic;
4191 int go_intent = -1;
4192 int freq = 0;
4193 int pd;
4194 int ht40, vht;
4195
4196 /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
4197 * [persistent|persistent=<network id>]
4198 * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
4199 * [ht40] [vht] */
4200
4201 if (hwaddr_aton(cmd, addr))
4202 return -1;
4203
4204 pos = cmd + 17;
4205 if (*pos != ' ')
4206 return -1;
4207 pos++;
4208
4209 persistent_group = os_strstr(pos, " persistent") != NULL;
4210 pos2 = os_strstr(pos, " persistent=");
4211 if (pos2) {
4212 struct wpa_ssid *ssid;
4213 persistent_id = atoi(pos2 + 12);
4214 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
4215 if (ssid == NULL || ssid->disabled != 2 ||
4216 ssid->mode != WPAS_MODE_P2P_GO) {
4217 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
4218 "SSID id=%d for persistent P2P group (GO)",
4219 persistent_id);
4220 return -1;
4221 }
4222 }
4223 join = os_strstr(pos, " join") != NULL;
4224 auth = os_strstr(pos, " auth") != NULL;
4225 automatic = os_strstr(pos, " auto") != NULL;
4226 pd = os_strstr(pos, " provdisc") != NULL;
4227 vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4228 ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4229 vht;
4230
4231 pos2 = os_strstr(pos, " go_intent=");
4232 if (pos2) {
4233 pos2 += 11;
4234 go_intent = atoi(pos2);
4235 if (go_intent < 0 || go_intent > 15)
4236 return -1;
4237 }
4238
4239 pos2 = os_strstr(pos, " freq=");
4240 if (pos2) {
4241 pos2 += 6;
4242 freq = atoi(pos2);
4243 if (freq <= 0)
4244 return -1;
4245 }
4246
4247 if (os_strncmp(pos, "pin", 3) == 0) {
4248 /* Request random PIN (to be displayed) and enable the PIN */
4249 wps_method = WPS_PIN_DISPLAY;
4250 } else if (os_strncmp(pos, "pbc", 3) == 0) {
4251 wps_method = WPS_PBC;
4252 } else {
4253 pin = pos;
4254 pos = os_strchr(pin, ' ');
4255 wps_method = WPS_PIN_KEYPAD;
4256 if (pos) {
4257 *pos++ = '\0';
4258 if (os_strncmp(pos, "display", 7) == 0)
4259 wps_method = WPS_PIN_DISPLAY;
4260 }
4261 if (!wps_pin_str_valid(pin)) {
4262 os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
4263 return 17;
4264 }
4265 }
4266
4267 new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
4268 persistent_group, automatic, join,
4269 auth, go_intent, freq, persistent_id, pd,
4270 ht40, vht);
4271 if (new_pin == -2) {
4272 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
4273 return 25;
4274 }
4275 if (new_pin == -3) {
4276 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
4277 return 25;
4278 }
4279 if (new_pin < 0)
4280 return -1;
4281 if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
4282 ret = os_snprintf(buf, buflen, "%08d", new_pin);
4283 if (ret < 0 || (size_t) ret >= buflen)
4284 return -1;
4285 return ret;
4286 }
4287
4288 os_memcpy(buf, "OK\n", 3);
4289 return 3;
4290 }
4291
4292
4293 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
4294 {
4295 unsigned int timeout = atoi(cmd);
4296 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4297 wpa_dbg(wpa_s, MSG_INFO,
4298 "Reject P2P_LISTEN since interface is disabled");
4299 return -1;
4300 }
4301 return wpas_p2p_listen(wpa_s, timeout);
4302 }
4303
4304
4305 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
4306 {
4307 u8 addr[ETH_ALEN];
4308 char *pos;
4309 enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
4310
4311 /* <addr> <config method> [join|auto] */
4312
4313 if (hwaddr_aton(cmd, addr))
4314 return -1;
4315
4316 pos = cmd + 17;
4317 if (*pos != ' ')
4318 return -1;
4319 pos++;
4320
4321 if (os_strstr(pos, " join") != NULL)
4322 use = WPAS_P2P_PD_FOR_JOIN;
4323 else if (os_strstr(pos, " auto") != NULL)
4324 use = WPAS_P2P_PD_AUTO;
4325
4326 return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
4327 }
4328
4329
4330 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
4331 size_t buflen)
4332 {
4333 struct wpa_ssid *ssid = wpa_s->current_ssid;
4334
4335 if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
4336 ssid->passphrase == NULL)
4337 return -1;
4338
4339 os_strlcpy(buf, ssid->passphrase, buflen);
4340 return os_strlen(buf);
4341 }
4342
4343
4344 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
4345 char *buf, size_t buflen)
4346 {
4347 u64 ref;
4348 int res;
4349 u8 dst_buf[ETH_ALEN], *dst;
4350 struct wpabuf *tlvs;
4351 char *pos;
4352 size_t len;
4353
4354 if (hwaddr_aton(cmd, dst_buf))
4355 return -1;
4356 dst = dst_buf;
4357 if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
4358 dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
4359 dst = NULL;
4360 pos = cmd + 17;
4361 if (*pos != ' ')
4362 return -1;
4363 pos++;
4364
4365 if (os_strncmp(pos, "upnp ", 5) == 0) {
4366 u8 version;
4367 pos += 5;
4368 if (hexstr2bin(pos, &version, 1) < 0)
4369 return -1;
4370 pos += 2;
4371 if (*pos != ' ')
4372 return -1;
4373 pos++;
4374 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
4375 #ifdef CONFIG_WIFI_DISPLAY
4376 } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
4377 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
4378 #endif /* CONFIG_WIFI_DISPLAY */
4379 } else {
4380 len = os_strlen(pos);
4381 if (len & 1)
4382 return -1;
4383 len /= 2;
4384 tlvs = wpabuf_alloc(len);
4385 if (tlvs == NULL)
4386 return -1;
4387 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
4388 wpabuf_free(tlvs);
4389 return -1;
4390 }
4391
4392 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
4393 wpabuf_free(tlvs);
4394 }
4395 if (ref == 0)
4396 return -1;
4397 res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
4398 if (res < 0 || (unsigned) res >= buflen)
4399 return -1;
4400 return res;
4401 }
4402
4403
4404 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
4405 char *cmd)
4406 {
4407 long long unsigned val;
4408 u64 req;
4409 if (sscanf(cmd, "%llx", &val) != 1)
4410 return -1;
4411 req = val;
4412 return wpas_p2p_sd_cancel_request(wpa_s, req);
4413 }
4414
4415
4416 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
4417 {
4418 int freq;
4419 u8 dst[ETH_ALEN];
4420 u8 dialog_token;
4421 struct wpabuf *resp_tlvs;
4422 char *pos, *pos2;
4423 size_t len;
4424
4425 pos = os_strchr(cmd, ' ');
4426 if (pos == NULL)
4427 return -1;
4428 *pos++ = '\0';
4429 freq = atoi(cmd);
4430 if (freq == 0)
4431 return -1;
4432
4433 if (hwaddr_aton(pos, dst))
4434 return -1;
4435 pos += 17;
4436 if (*pos != ' ')
4437 return -1;
4438 pos++;
4439
4440 pos2 = os_strchr(pos, ' ');
4441 if (pos2 == NULL)
4442 return -1;
4443 *pos2++ = '\0';
4444 dialog_token = atoi(pos);
4445
4446 len = os_strlen(pos2);
4447 if (len & 1)
4448 return -1;
4449 len /= 2;
4450 resp_tlvs = wpabuf_alloc(len);
4451 if (resp_tlvs == NULL)
4452 return -1;
4453 if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
4454 wpabuf_free(resp_tlvs);
4455 return -1;
4456 }
4457
4458 wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
4459 wpabuf_free(resp_tlvs);
4460 return 0;
4461 }
4462
4463
4464 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
4465 char *cmd)
4466 {
4467 if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
4468 return -1;
4469 wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
4470 return 0;
4471 }
4472
4473
4474 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
4475 char *cmd)
4476 {
4477 char *pos;
4478 size_t len;
4479 struct wpabuf *query, *resp;
4480
4481 pos = os_strchr(cmd, ' ');
4482 if (pos == NULL)
4483 return -1;
4484 *pos++ = '\0';
4485
4486 len = os_strlen(cmd);
4487 if (len & 1)
4488 return -1;
4489 len /= 2;
4490 query = wpabuf_alloc(len);
4491 if (query == NULL)
4492 return -1;
4493 if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4494 wpabuf_free(query);
4495 return -1;
4496 }
4497
4498 len = os_strlen(pos);
4499 if (len & 1) {
4500 wpabuf_free(query);
4501 return -1;
4502 }
4503 len /= 2;
4504 resp = wpabuf_alloc(len);
4505 if (resp == NULL) {
4506 wpabuf_free(query);
4507 return -1;
4508 }
4509 if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
4510 wpabuf_free(query);
4511 wpabuf_free(resp);
4512 return -1;
4513 }
4514
4515 if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
4516 wpabuf_free(query);
4517 wpabuf_free(resp);
4518 return -1;
4519 }
4520 return 0;
4521 }
4522
4523
4524 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4525 {
4526 char *pos;
4527 u8 version;
4528
4529 pos = os_strchr(cmd, ' ');
4530 if (pos == NULL)
4531 return -1;
4532 *pos++ = '\0';
4533
4534 if (hexstr2bin(cmd, &version, 1) < 0)
4535 return -1;
4536
4537 return wpas_p2p_service_add_upnp(wpa_s, version, pos);
4538 }
4539
4540
4541 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
4542 {
4543 char *pos;
4544
4545 pos = os_strchr(cmd, ' ');
4546 if (pos == NULL)
4547 return -1;
4548 *pos++ = '\0';
4549
4550 if (os_strcmp(cmd, "bonjour") == 0)
4551 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
4552 if (os_strcmp(cmd, "upnp") == 0)
4553 return p2p_ctrl_service_add_upnp(wpa_s, pos);
4554 wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4555 return -1;
4556 }
4557
4558
4559 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
4560 char *cmd)
4561 {
4562 size_t len;
4563 struct wpabuf *query;
4564 int ret;
4565
4566 len = os_strlen(cmd);
4567 if (len & 1)
4568 return -1;
4569 len /= 2;
4570 query = wpabuf_alloc(len);
4571 if (query == NULL)
4572 return -1;
4573 if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4574 wpabuf_free(query);
4575 return -1;
4576 }
4577
4578 ret = wpas_p2p_service_del_bonjour(wpa_s, query);
4579 wpabuf_free(query);
4580 return ret;
4581 }
4582
4583
4584 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4585 {
4586 char *pos;
4587 u8 version;
4588
4589 pos = os_strchr(cmd, ' ');
4590 if (pos == NULL)
4591 return -1;
4592 *pos++ = '\0';
4593
4594 if (hexstr2bin(cmd, &version, 1) < 0)
4595 return -1;
4596
4597 return wpas_p2p_service_del_upnp(wpa_s, version, pos);
4598 }
4599
4600
4601 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
4602 {
4603 char *pos;
4604
4605 pos = os_strchr(cmd, ' ');
4606 if (pos == NULL)
4607 return -1;
4608 *pos++ = '\0';
4609
4610 if (os_strcmp(cmd, "bonjour") == 0)
4611 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
4612 if (os_strcmp(cmd, "upnp") == 0)
4613 return p2p_ctrl_service_del_upnp(wpa_s, pos);
4614 wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4615 return -1;
4616 }
4617
4618
4619 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
4620 {
4621 u8 addr[ETH_ALEN];
4622
4623 /* <addr> */
4624
4625 if (hwaddr_aton(cmd, addr))
4626 return -1;
4627
4628 return wpas_p2p_reject(wpa_s, addr);
4629 }
4630
4631
4632 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
4633 {
4634 char *pos;
4635 int id;
4636 struct wpa_ssid *ssid;
4637 u8 *_peer = NULL, peer[ETH_ALEN];
4638 int freq = 0, pref_freq = 0;
4639 int ht40, vht;
4640
4641 id = atoi(cmd);
4642 pos = os_strstr(cmd, " peer=");
4643 if (pos) {
4644 pos += 6;
4645 if (hwaddr_aton(pos, peer))
4646 return -1;
4647 _peer = peer;
4648 }
4649 ssid = wpa_config_get_network(wpa_s->conf, id);
4650 if (ssid == NULL || ssid->disabled != 2) {
4651 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4652 "for persistent P2P group",
4653 id);
4654 return -1;
4655 }
4656
4657 pos = os_strstr(cmd, " freq=");
4658 if (pos) {
4659 pos += 6;
4660 freq = atoi(pos);
4661 if (freq <= 0)
4662 return -1;
4663 }
4664
4665 pos = os_strstr(cmd, " pref=");
4666 if (pos) {
4667 pos += 6;
4668 pref_freq = atoi(pos);
4669 if (pref_freq <= 0)
4670 return -1;
4671 }
4672
4673 vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4674 ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4675 vht;
4676
4677 return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
4678 pref_freq);
4679 }
4680
4681
4682 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
4683 {
4684 char *pos;
4685 u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
4686
4687 pos = os_strstr(cmd, " peer=");
4688 if (!pos)
4689 return -1;
4690
4691 *pos = '\0';
4692 pos += 6;
4693 if (hwaddr_aton(pos, peer)) {
4694 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
4695 return -1;
4696 }
4697
4698 pos = os_strstr(pos, " go_dev_addr=");
4699 if (pos) {
4700 pos += 13;
4701 if (hwaddr_aton(pos, go_dev_addr)) {
4702 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
4703 pos);
4704 return -1;
4705 }
4706 go_dev = go_dev_addr;
4707 }
4708
4709 return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
4710 }
4711
4712
4713 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
4714 {
4715 if (os_strncmp(cmd, "persistent=", 11) == 0)
4716 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
4717 if (os_strncmp(cmd, "group=", 6) == 0)
4718 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
4719
4720 return -1;
4721 }
4722
4723
4724 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
4725 char *cmd, int freq, int ht40,
4726 int vht)
4727 {
4728 int id;
4729 struct wpa_ssid *ssid;
4730
4731 id = atoi(cmd);
4732 ssid = wpa_config_get_network(wpa_s->conf, id);
4733 if (ssid == NULL || ssid->disabled != 2) {
4734 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4735 "for persistent P2P group",
4736 id);
4737 return -1;
4738 }
4739
4740 return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, 0, ht40, vht,
4741 NULL, 0);
4742 }
4743
4744
4745 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
4746 {
4747 int freq = 0, ht40, vht;
4748 char *pos;
4749
4750 pos = os_strstr(cmd, "freq=");
4751 if (pos)
4752 freq = atoi(pos + 5);
4753
4754 vht = (os_strstr(cmd, "vht") != NULL) || wpa_s->conf->p2p_go_vht;
4755 ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4756 vht;
4757
4758 if (os_strncmp(cmd, "persistent=", 11) == 0)
4759 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
4760 ht40, vht);
4761 if (os_strcmp(cmd, "persistent") == 0 ||
4762 os_strncmp(cmd, "persistent ", 11) == 0)
4763 return wpas_p2p_group_add(wpa_s, 1, freq, ht40, vht);
4764 if (os_strncmp(cmd, "freq=", 5) == 0)
4765 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
4766 if (ht40)
4767 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
4768
4769 wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
4770 cmd);
4771 return -1;
4772 }
4773
4774
4775 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
4776 char *buf, size_t buflen)
4777 {
4778 u8 addr[ETH_ALEN], *addr_ptr;
4779 int next, res;
4780 const struct p2p_peer_info *info;
4781 char *pos, *end;
4782 char devtype[WPS_DEV_TYPE_BUFSIZE];
4783 struct wpa_ssid *ssid;
4784 size_t i;
4785
4786 if (!wpa_s->global->p2p)
4787 return -1;
4788
4789 if (os_strcmp(cmd, "FIRST") == 0) {
4790 addr_ptr = NULL;
4791 next = 0;
4792 } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4793 if (hwaddr_aton(cmd + 5, addr) < 0)
4794 return -1;
4795 addr_ptr = addr;
4796 next = 1;
4797 } else {
4798 if (hwaddr_aton(cmd, addr) < 0)
4799 return -1;
4800 addr_ptr = addr;
4801 next = 0;
4802 }
4803
4804 info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4805 if (info == NULL)
4806 return -1;
4807
4808 pos = buf;
4809 end = buf + buflen;
4810
4811 res = os_snprintf(pos, end - pos, MACSTR "\n"
4812 "pri_dev_type=%s\n"
4813 "device_name=%s\n"
4814 "manufacturer=%s\n"
4815 "model_name=%s\n"
4816 "model_number=%s\n"
4817 "serial_number=%s\n"
4818 "config_methods=0x%x\n"
4819 "dev_capab=0x%x\n"
4820 "group_capab=0x%x\n"
4821 "level=%d\n",
4822 MAC2STR(info->p2p_device_addr),
4823 wps_dev_type_bin2str(info->pri_dev_type,
4824 devtype, sizeof(devtype)),
4825 info->device_name,
4826 info->manufacturer,
4827 info->model_name,
4828 info->model_number,
4829 info->serial_number,
4830 info->config_methods,
4831 info->dev_capab,
4832 info->group_capab,
4833 info->level);
4834 if (res < 0 || res >= end - pos)
4835 return pos - buf;
4836 pos += res;
4837
4838 for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4839 {
4840 const u8 *t;
4841 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4842 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4843 wps_dev_type_bin2str(t, devtype,
4844 sizeof(devtype)));
4845 if (res < 0 || res >= end - pos)
4846 return pos - buf;
4847 pos += res;
4848 }
4849
4850 ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4851 if (ssid) {
4852 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4853 if (res < 0 || res >= end - pos)
4854 return pos - buf;
4855 pos += res;
4856 }
4857
4858 res = p2p_get_peer_info_txt(info, pos, end - pos);
4859 if (res < 0)
4860 return pos - buf;
4861 pos += res;
4862
4863 if (info->vendor_elems) {
4864 res = os_snprintf(pos, end - pos, "vendor_elems=");
4865 if (res < 0 || res >= end - pos)
4866 return pos - buf;
4867 pos += res;
4868
4869 pos += wpa_snprintf_hex(pos, end - pos,
4870 wpabuf_head(info->vendor_elems),
4871 wpabuf_len(info->vendor_elems));
4872
4873 res = os_snprintf(pos, end - pos, "\n");
4874 if (res < 0 || res >= end - pos)
4875 return pos - buf;
4876 pos += res;
4877 }
4878
4879 return pos - buf;
4880 }
4881
4882
4883 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4884 const char *param)
4885 {
4886 unsigned int i;
4887
4888 if (wpa_s->global->p2p == NULL)
4889 return -1;
4890
4891 if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
4892 return -1;
4893
4894 for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
4895 struct wpa_freq_range *freq;
4896 freq = &wpa_s->global->p2p_disallow_freq.range[i];
4897 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4898 freq->min, freq->max);
4899 }
4900
4901 wpas_p2p_update_channel_list(wpa_s);
4902 return 0;
4903 }
4904
4905
4906 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4907 {
4908 char *param;
4909
4910 if (wpa_s->global->p2p == NULL)
4911 return -1;
4912
4913 param = os_strchr(cmd, ' ');
4914 if (param == NULL)
4915 return -1;
4916 *param++ = '\0';
4917
4918 if (os_strcmp(cmd, "discoverability") == 0) {
4919 p2p_set_client_discoverability(wpa_s->global->p2p,
4920 atoi(param));
4921 return 0;
4922 }
4923
4924 if (os_strcmp(cmd, "managed") == 0) {
4925 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4926 return 0;
4927 }
4928
4929 if (os_strcmp(cmd, "listen_channel") == 0) {
4930 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4931 atoi(param), 1);
4932 }
4933
4934 if (os_strcmp(cmd, "ssid_postfix") == 0) {
4935 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4936 os_strlen(param));
4937 }
4938
4939 if (os_strcmp(cmd, "noa") == 0) {
4940 char *pos;
4941 int count, start, duration;
4942 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4943 count = atoi(param);
4944 pos = os_strchr(param, ',');
4945 if (pos == NULL)
4946 return -1;
4947 pos++;
4948 start = atoi(pos);
4949 pos = os_strchr(pos, ',');
4950 if (pos == NULL)
4951 return -1;
4952 pos++;
4953 duration = atoi(pos);
4954 if (count < 0 || count > 255 || start < 0 || duration < 0)
4955 return -1;
4956 if (count == 0 && duration > 0)
4957 return -1;
4958 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4959 "start=%d duration=%d", count, start, duration);
4960 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4961 }
4962
4963 if (os_strcmp(cmd, "ps") == 0)
4964 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4965
4966 if (os_strcmp(cmd, "oppps") == 0)
4967 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4968
4969 if (os_strcmp(cmd, "ctwindow") == 0)
4970 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4971
4972 if (os_strcmp(cmd, "disabled") == 0) {
4973 wpa_s->global->p2p_disabled = atoi(param);
4974 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4975 wpa_s->global->p2p_disabled ?
4976 "disabled" : "enabled");
4977 if (wpa_s->global->p2p_disabled) {
4978 wpas_p2p_stop_find(wpa_s);
4979 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4980 p2p_flush(wpa_s->global->p2p);
4981 }
4982 return 0;
4983 }
4984
4985 if (os_strcmp(cmd, "conc_pref") == 0) {
4986 if (os_strcmp(param, "sta") == 0)
4987 wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4988 else if (os_strcmp(param, "p2p") == 0)
4989 wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4990 else {
4991 wpa_printf(MSG_INFO, "Invalid conc_pref value");
4992 return -1;
4993 }
4994 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4995 "%s", param);
4996 return 0;
4997 }
4998
4999 if (os_strcmp(cmd, "force_long_sd") == 0) {
5000 wpa_s->force_long_sd = atoi(param);
5001 return 0;
5002 }
5003
5004 if (os_strcmp(cmd, "peer_filter") == 0) {
5005 u8 addr[ETH_ALEN];
5006 if (hwaddr_aton(param, addr))
5007 return -1;
5008 p2p_set_peer_filter(wpa_s->global->p2p, addr);
5009 return 0;
5010 }
5011
5012 if (os_strcmp(cmd, "cross_connect") == 0)
5013 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
5014
5015 if (os_strcmp(cmd, "go_apsd") == 0) {
5016 if (os_strcmp(param, "disable") == 0)
5017 wpa_s->set_ap_uapsd = 0;
5018 else {
5019 wpa_s->set_ap_uapsd = 1;
5020 wpa_s->ap_uapsd = atoi(param);
5021 }
5022 return 0;
5023 }
5024
5025 if (os_strcmp(cmd, "client_apsd") == 0) {
5026 if (os_strcmp(param, "disable") == 0)
5027 wpa_s->set_sta_uapsd = 0;
5028 else {
5029 int be, bk, vi, vo;
5030 char *pos;
5031 /* format: BE,BK,VI,VO;max SP Length */
5032 be = atoi(param);
5033 pos = os_strchr(param, ',');
5034 if (pos == NULL)
5035 return -1;
5036 pos++;
5037 bk = atoi(pos);
5038 pos = os_strchr(pos, ',');
5039 if (pos == NULL)
5040 return -1;
5041 pos++;
5042 vi = atoi(pos);
5043 pos = os_strchr(pos, ',');
5044 if (pos == NULL)
5045 return -1;
5046 pos++;
5047 vo = atoi(pos);
5048 /* ignore max SP Length for now */
5049
5050 wpa_s->set_sta_uapsd = 1;
5051 wpa_s->sta_uapsd = 0;
5052 if (be)
5053 wpa_s->sta_uapsd |= BIT(0);
5054 if (bk)
5055 wpa_s->sta_uapsd |= BIT(1);
5056 if (vi)
5057 wpa_s->sta_uapsd |= BIT(2);
5058 if (vo)
5059 wpa_s->sta_uapsd |= BIT(3);
5060 }
5061 return 0;
5062 }
5063
5064 if (os_strcmp(cmd, "disallow_freq") == 0)
5065 return p2p_ctrl_disallow_freq(wpa_s, param);
5066
5067 if (os_strcmp(cmd, "disc_int") == 0) {
5068 int min_disc_int, max_disc_int, max_disc_tu;
5069 char *pos;
5070
5071 pos = param;
5072
5073 min_disc_int = atoi(pos);
5074 pos = os_strchr(pos, ' ');
5075 if (pos == NULL)
5076 return -1;
5077 *pos++ = '\0';
5078
5079 max_disc_int = atoi(pos);
5080 pos = os_strchr(pos, ' ');
5081 if (pos == NULL)
5082 return -1;
5083 *pos++ = '\0';
5084
5085 max_disc_tu = atoi(pos);
5086
5087 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
5088 max_disc_int, max_disc_tu);
5089 }
5090
5091 if (os_strcmp(cmd, "per_sta_psk") == 0) {
5092 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
5093 return 0;
5094 }
5095
5096 #ifdef CONFIG_WPS_NFC
5097 if (os_strcmp(cmd, "nfc_tag") == 0)
5098 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
5099 #endif /* CONFIG_WPS_NFC */
5100
5101 if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
5102 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
5103 return 0;
5104 }
5105
5106 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
5107 cmd);
5108
5109 return -1;
5110 }
5111
5112
5113 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
5114 {
5115 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5116 wpa_s->force_long_sd = 0;
5117 wpas_p2p_stop_find(wpa_s);
5118 if (wpa_s->global->p2p)
5119 p2p_flush(wpa_s->global->p2p);
5120 }
5121
5122
5123 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
5124 {
5125 char *pos, *pos2;
5126 unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
5127
5128 if (cmd[0]) {
5129 pos = os_strchr(cmd, ' ');
5130 if (pos == NULL)
5131 return -1;
5132 *pos++ = '\0';
5133 dur1 = atoi(cmd);
5134
5135 pos2 = os_strchr(pos, ' ');
5136 if (pos2)
5137 *pos2++ = '\0';
5138 int1 = atoi(pos);
5139 } else
5140 pos2 = NULL;
5141
5142 if (pos2) {
5143 pos = os_strchr(pos2, ' ');
5144 if (pos == NULL)
5145 return -1;
5146 *pos++ = '\0';
5147 dur2 = atoi(pos2);
5148 int2 = atoi(pos);
5149 }
5150
5151 return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
5152 }
5153
5154
5155 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
5156 {
5157 char *pos;
5158 unsigned int period = 0, interval = 0;
5159
5160 if (cmd[0]) {
5161 pos = os_strchr(cmd, ' ');
5162 if (pos == NULL)
5163 return -1;
5164 *pos++ = '\0';
5165 period = atoi(cmd);
5166 interval = atoi(pos);
5167 }
5168
5169 return wpas_p2p_ext_listen(wpa_s, period, interval);
5170 }
5171
5172
5173 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
5174 {
5175 const char *pos;
5176 u8 peer[ETH_ALEN];
5177 int iface_addr = 0;
5178
5179 pos = cmd;
5180 if (os_strncmp(pos, "iface=", 6) == 0) {
5181 iface_addr = 1;
5182 pos += 6;
5183 }
5184 if (hwaddr_aton(pos, peer))
5185 return -1;
5186
5187 wpas_p2p_remove_client(wpa_s, peer, iface_addr);
5188 return 0;
5189 }
5190
5191 #endif /* CONFIG_P2P */
5192
5193
5194 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
5195 {
5196 struct wpa_freq_range_list ranges;
5197 int *freqs = NULL;
5198 struct hostapd_hw_modes *mode;
5199 u16 i;
5200
5201 if (wpa_s->hw.modes == NULL)
5202 return NULL;
5203
5204 os_memset(&ranges, 0, sizeof(ranges));
5205 if (freq_range_list_parse(&ranges, val) < 0)
5206 return NULL;
5207
5208 for (i = 0; i < wpa_s->hw.num_modes; i++) {
5209 int j;
5210
5211 mode = &wpa_s->hw.modes[i];
5212 for (j = 0; j < mode->num_channels; j++) {
5213 unsigned int freq;
5214
5215 if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
5216 continue;
5217
5218 freq = mode->channels[j].freq;
5219 if (!freq_range_list_includes(&ranges, freq))
5220 continue;
5221
5222 int_array_add_unique(&freqs, freq);
5223 }
5224 }
5225
5226 os_free(ranges.range);
5227 return freqs;
5228 }
5229
5230
5231 #ifdef CONFIG_INTERWORKING
5232
5233 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
5234 {
5235 int auto_sel = 0;
5236 int *freqs = NULL;
5237
5238 if (param) {
5239 char *pos;
5240
5241 auto_sel = os_strstr(param, "auto") != NULL;
5242
5243 pos = os_strstr(param, "freq=");
5244 if (pos) {
5245 freqs = freq_range_to_channel_list(wpa_s, pos + 5);
5246 if (freqs == NULL)
5247 return -1;
5248 }
5249
5250 }
5251
5252 return interworking_select(wpa_s, auto_sel, freqs);
5253 }
5254
5255
5256 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
5257 {
5258 u8 bssid[ETH_ALEN];
5259 struct wpa_bss *bss;
5260
5261 if (hwaddr_aton(dst, bssid)) {
5262 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
5263 return -1;
5264 }
5265
5266 bss = wpa_bss_get_bssid(wpa_s, bssid);
5267 if (bss == NULL) {
5268 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
5269 MAC2STR(bssid));
5270 return -1;
5271 }
5272
5273 return interworking_connect(wpa_s, bss);
5274 }
5275
5276
5277 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
5278 {
5279 u8 dst_addr[ETH_ALEN];
5280 int used;
5281 char *pos;
5282 #define MAX_ANQP_INFO_ID 100
5283 u16 id[MAX_ANQP_INFO_ID];
5284 size_t num_id = 0;
5285 u32 subtypes = 0;
5286
5287 used = hwaddr_aton2(dst, dst_addr);
5288 if (used < 0)
5289 return -1;
5290 pos = dst + used;
5291 while (num_id < MAX_ANQP_INFO_ID) {
5292 if (os_strncmp(pos, "hs20:", 5) == 0) {
5293 #ifdef CONFIG_HS20
5294 int num = atoi(pos + 5);
5295 if (num <= 0 || num > 31)
5296 return -1;
5297 subtypes |= BIT(num);
5298 #else /* CONFIG_HS20 */
5299 return -1;
5300 #endif /* CONFIG_HS20 */
5301 } else {
5302 id[num_id] = atoi(pos);
5303 if (id[num_id])
5304 num_id++;
5305 }
5306 pos = os_strchr(pos + 1, ',');
5307 if (pos == NULL)
5308 break;
5309 pos++;
5310 }
5311
5312 if (num_id == 0)
5313 return -1;
5314
5315 return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes);
5316 }
5317
5318
5319 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
5320 {
5321 u8 dst_addr[ETH_ALEN];
5322 struct wpabuf *advproto, *query = NULL;
5323 int used, ret = -1;
5324 char *pos, *end;
5325 size_t len;
5326
5327 used = hwaddr_aton2(cmd, dst_addr);
5328 if (used < 0)
5329 return -1;
5330
5331 pos = cmd + used;
5332 while (*pos == ' ')
5333 pos++;
5334
5335 /* Advertisement Protocol ID */
5336 end = os_strchr(pos, ' ');
5337 if (end)
5338 len = end - pos;
5339 else
5340 len = os_strlen(pos);
5341 if (len & 0x01)
5342 return -1;
5343 len /= 2;
5344 if (len == 0)
5345 return -1;
5346 advproto = wpabuf_alloc(len);
5347 if (advproto == NULL)
5348 return -1;
5349 if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
5350 goto fail;
5351
5352 if (end) {
5353 /* Optional Query Request */
5354 pos = end + 1;
5355 while (*pos == ' ')
5356 pos++;
5357
5358 len = os_strlen(pos);
5359 if (len) {
5360 if (len & 0x01)
5361 goto fail;
5362 len /= 2;
5363 if (len == 0)
5364 goto fail;
5365 query = wpabuf_alloc(len);
5366 if (query == NULL)
5367 goto fail;
5368 if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
5369 goto fail;
5370 }
5371 }
5372
5373 ret = gas_send_request(wpa_s, dst_addr, advproto, query);
5374
5375 fail:
5376 wpabuf_free(advproto);
5377 wpabuf_free(query);
5378
5379 return ret;
5380 }
5381
5382
5383 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
5384 size_t buflen)
5385 {
5386 u8 addr[ETH_ALEN];
5387 int dialog_token;
5388 int used;
5389 char *pos;
5390 size_t resp_len, start, requested_len;
5391 struct wpabuf *resp;
5392 int ret;
5393
5394 used = hwaddr_aton2(cmd, addr);
5395 if (used < 0)
5396 return -1;
5397
5398 pos = cmd + used;
5399 while (*pos == ' ')
5400 pos++;
5401 dialog_token = atoi(pos);
5402
5403 if (wpa_s->last_gas_resp &&
5404 os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
5405 dialog_token == wpa_s->last_gas_dialog_token)
5406 resp = wpa_s->last_gas_resp;
5407 else if (wpa_s->prev_gas_resp &&
5408 os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
5409 dialog_token == wpa_s->prev_gas_dialog_token)
5410 resp = wpa_s->prev_gas_resp;
5411 else
5412 return -1;
5413
5414 resp_len = wpabuf_len(resp);
5415 start = 0;
5416 requested_len = resp_len;
5417
5418 pos = os_strchr(pos, ' ');
5419 if (pos) {
5420 start = atoi(pos);
5421 if (start > resp_len)
5422 return os_snprintf(buf, buflen, "FAIL-Invalid range");
5423 pos = os_strchr(pos, ',');
5424 if (pos == NULL)
5425 return -1;
5426 pos++;
5427 requested_len = atoi(pos);
5428 if (start + requested_len > resp_len)
5429 return os_snprintf(buf, buflen, "FAIL-Invalid range");
5430 }
5431
5432 if (requested_len * 2 + 1 > buflen)
5433 return os_snprintf(buf, buflen, "FAIL-Too long response");
5434
5435 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
5436 requested_len);
5437
5438 if (start + requested_len == resp_len) {
5439 /*
5440 * Free memory by dropping the response after it has been
5441 * fetched.
5442 */
5443 if (resp == wpa_s->prev_gas_resp) {
5444 wpabuf_free(wpa_s->prev_gas_resp);
5445 wpa_s->prev_gas_resp = NULL;
5446 } else {
5447 wpabuf_free(wpa_s->last_gas_resp);
5448 wpa_s->last_gas_resp = NULL;
5449 }
5450 }
5451
5452 return ret;
5453 }
5454 #endif /* CONFIG_INTERWORKING */
5455
5456
5457 #ifdef CONFIG_HS20
5458
5459 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
5460 {
5461 u8 dst_addr[ETH_ALEN];
5462 int used;
5463 char *pos;
5464 u32 subtypes = 0;
5465
5466 used = hwaddr_aton2(dst, dst_addr);
5467 if (used < 0)
5468 return -1;
5469 pos = dst + used;
5470 for (;;) {
5471 int num = atoi(pos);
5472 if (num <= 0 || num > 31)
5473 return -1;
5474 subtypes |= BIT(num);
5475 pos = os_strchr(pos + 1, ',');
5476 if (pos == NULL)
5477 break;
5478 pos++;
5479 }
5480
5481 if (subtypes == 0)
5482 return -1;
5483
5484 return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
5485 }
5486
5487
5488 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
5489 const u8 *addr, const char *realm)
5490 {
5491 u8 *buf;
5492 size_t rlen, len;
5493 int ret;
5494
5495 rlen = os_strlen(realm);
5496 len = 3 + rlen;
5497 buf = os_malloc(len);
5498 if (buf == NULL)
5499 return -1;
5500 buf[0] = 1; /* NAI Home Realm Count */
5501 buf[1] = 0; /* Formatted in accordance with RFC 4282 */
5502 buf[2] = rlen;
5503 os_memcpy(buf + 3, realm, rlen);
5504
5505 ret = hs20_anqp_send_req(wpa_s, addr,
5506 BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
5507 buf, len);
5508
5509 os_free(buf);
5510
5511 return ret;
5512 }
5513
5514
5515 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
5516 char *dst)
5517 {
5518 struct wpa_cred *cred = wpa_s->conf->cred;
5519 u8 dst_addr[ETH_ALEN];
5520 int used;
5521 u8 *buf;
5522 size_t len;
5523 int ret;
5524
5525 used = hwaddr_aton2(dst, dst_addr);
5526 if (used < 0)
5527 return -1;
5528
5529 while (dst[used] == ' ')
5530 used++;
5531 if (os_strncmp(dst + used, "realm=", 6) == 0)
5532 return hs20_nai_home_realm_list(wpa_s, dst_addr,
5533 dst + used + 6);
5534
5535 len = os_strlen(dst + used);
5536
5537 if (len == 0 && cred && cred->realm)
5538 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
5539
5540 if (len & 1)
5541 return -1;
5542 len /= 2;
5543 buf = os_malloc(len);
5544 if (buf == NULL)
5545 return -1;
5546 if (hexstr2bin(dst + used, buf, len) < 0) {
5547 os_free(buf);
5548 return -1;
5549 }
5550
5551 ret = hs20_anqp_send_req(wpa_s, dst_addr,
5552 BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
5553 buf, len);
5554 os_free(buf);
5555
5556 return ret;
5557 }
5558
5559
5560 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd)
5561 {
5562 u8 dst_addr[ETH_ALEN];
5563 int used;
5564 char *icon;
5565
5566 used = hwaddr_aton2(cmd, dst_addr);
5567 if (used < 0)
5568 return -1;
5569
5570 while (cmd[used] == ' ')
5571 used++;
5572 icon = &cmd[used];
5573
5574 wpa_s->fetch_osu_icon_in_progress = 0;
5575 return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
5576 (u8 *) icon, os_strlen(icon));
5577 }
5578
5579 #endif /* CONFIG_HS20 */
5580
5581
5582 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
5583 struct wpa_supplicant *wpa_s, char *cmd)
5584 {
5585 wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
5586 return 0;
5587 }
5588
5589
5590 #ifdef CONFIG_AUTOSCAN
5591
5592 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
5593 char *cmd)
5594 {
5595 enum wpa_states state = wpa_s->wpa_state;
5596 char *new_params = NULL;
5597
5598 if (os_strlen(cmd) > 0) {
5599 new_params = os_strdup(cmd);
5600 if (new_params == NULL)
5601 return -1;
5602 }
5603
5604 os_free(wpa_s->conf->autoscan);
5605 wpa_s->conf->autoscan = new_params;
5606
5607 if (wpa_s->conf->autoscan == NULL)
5608 autoscan_deinit(wpa_s);
5609 else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
5610 autoscan_init(wpa_s, 1);
5611 else if (state == WPA_SCANNING)
5612 wpa_supplicant_reinit_autoscan(wpa_s);
5613
5614 return 0;
5615 }
5616
5617 #endif /* CONFIG_AUTOSCAN */
5618
5619
5620 #ifdef CONFIG_WNM
5621
5622 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
5623 {
5624 int enter;
5625 int intval = 0;
5626 char *pos;
5627 int ret;
5628 struct wpabuf *tfs_req = NULL;
5629
5630 if (os_strncmp(cmd, "enter", 5) == 0)
5631 enter = 1;
5632 else if (os_strncmp(cmd, "exit", 4) == 0)
5633 enter = 0;
5634 else
5635 return -1;
5636
5637 pos = os_strstr(cmd, " interval=");
5638 if (pos)
5639 intval = atoi(pos + 10);
5640
5641 pos = os_strstr(cmd, " tfs_req=");
5642 if (pos) {
5643 char *end;
5644 size_t len;
5645 pos += 9;
5646 end = os_strchr(pos, ' ');
5647 if (end)
5648 len = end - pos;
5649 else
5650 len = os_strlen(pos);
5651 if (len & 1)
5652 return -1;
5653 len /= 2;
5654 tfs_req = wpabuf_alloc(len);
5655 if (tfs_req == NULL)
5656 return -1;
5657 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
5658 wpabuf_free(tfs_req);
5659 return -1;
5660 }
5661 }
5662
5663 ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
5664 WNM_SLEEP_MODE_EXIT, intval,
5665 tfs_req);
5666 wpabuf_free(tfs_req);
5667
5668 return ret;
5669 }
5670
5671
5672 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
5673 {
5674 int query_reason;
5675
5676 query_reason = atoi(cmd);
5677
5678 wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
5679 query_reason);
5680
5681 return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
5682 }
5683
5684 #endif /* CONFIG_WNM */
5685
5686
5687 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
5688 size_t buflen)
5689 {
5690 struct wpa_signal_info si;
5691 int ret;
5692 char *pos, *end;
5693
5694 ret = wpa_drv_signal_poll(wpa_s, &si);
5695 if (ret)
5696 return -1;
5697
5698 pos = buf;
5699 end = buf + buflen;
5700
5701 ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
5702 "NOISE=%d\nFREQUENCY=%u\n",
5703 si.current_signal, si.current_txrate / 1000,
5704 si.current_noise, si.frequency);
5705 if (ret < 0 || ret > end - pos)
5706 return -1;
5707 pos += ret;
5708
5709 if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
5710 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
5711 channel_width_to_string(si.chanwidth));
5712 if (ret < 0 || ret > end - pos)
5713 return -1;
5714 pos += ret;
5715 }
5716
5717 if (si.center_frq1 > 0 && si.center_frq2 > 0) {
5718 ret = os_snprintf(pos, end - pos,
5719 "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
5720 si.center_frq1, si.center_frq2);
5721 if (ret < 0 || ret > end - pos)
5722 return -1;
5723 pos += ret;
5724 }
5725
5726 if (si.avg_signal) {
5727 ret = os_snprintf(pos, end - pos,
5728 "AVG_RSSI=%d\n", si.avg_signal);
5729 if (ret < 0 || ret >= end - pos)
5730 return -1;
5731 pos += ret;
5732 }
5733
5734 return pos - buf;
5735 }
5736
5737
5738 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
5739 size_t buflen)
5740 {
5741 struct hostap_sta_driver_data sta;
5742 int ret;
5743
5744 ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
5745 if (ret)
5746 return -1;
5747
5748 ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
5749 sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
5750 if (ret < 0 || (size_t) ret > buflen)
5751 return -1;
5752 return ret;
5753 }
5754
5755
5756 #ifdef ANDROID
5757 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
5758 char *buf, size_t buflen)
5759 {
5760 int ret;
5761
5762 ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
5763 if (ret == 0) {
5764 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
5765 struct p2p_data *p2p = wpa_s->global->p2p;
5766 if (p2p) {
5767 char country[3];
5768 country[0] = cmd[8];
5769 country[1] = cmd[9];
5770 country[2] = 0x04;
5771 p2p_set_country(p2p, country);
5772 }
5773 }
5774 ret = os_snprintf(buf, buflen, "%s\n", "OK");
5775 }
5776 return ret;
5777 }
5778 #endif /* ANDROID */
5779
5780
5781 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
5782 char *buf, size_t buflen)
5783 {
5784 int ret;
5785 char *pos;
5786 u8 *data = NULL;
5787 unsigned int vendor_id, subcmd;
5788 struct wpabuf *reply;
5789 size_t data_len = 0;
5790
5791 /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
5792 vendor_id = strtoul(cmd, &pos, 16);
5793 if (!isblank(*pos))
5794 return -EINVAL;
5795
5796 subcmd = strtoul(pos, &pos, 10);
5797
5798 if (*pos != '\0') {
5799 if (!isblank(*pos++))
5800 return -EINVAL;
5801 data_len = os_strlen(pos);
5802 }
5803
5804 if (data_len) {
5805 data_len /= 2;
5806 data = os_malloc(data_len);
5807 if (!data)
5808 return -1;
5809
5810 if (hexstr2bin(pos, data, data_len)) {
5811 wpa_printf(MSG_DEBUG,
5812 "Vendor command: wrong parameter format");
5813 os_free(data);
5814 return -EINVAL;
5815 }
5816 }
5817
5818 reply = wpabuf_alloc((buflen - 1) / 2);
5819 if (!reply) {
5820 os_free(data);
5821 return -1;
5822 }
5823
5824 ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
5825 reply);
5826
5827 if (ret == 0)
5828 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
5829 wpabuf_len(reply));
5830
5831 wpabuf_free(reply);
5832 os_free(data);
5833
5834 return ret;
5835 }
5836
5837
5838 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
5839 {
5840 wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
5841
5842 #ifdef CONFIG_P2P
5843 wpas_p2p_cancel(wpa_s);
5844 wpas_p2p_stop_find(wpa_s);
5845 p2p_ctrl_flush(wpa_s);
5846 wpas_p2p_group_remove(wpa_s, "*");
5847 wpas_p2p_service_flush(wpa_s);
5848 wpa_s->global->p2p_disabled = 0;
5849 wpa_s->global->p2p_per_sta_psk = 0;
5850 wpa_s->conf->num_sec_device_types = 0;
5851 wpa_s->p2p_disable_ip_addr_req = 0;
5852 os_free(wpa_s->global->p2p_go_avoid_freq.range);
5853 wpa_s->global->p2p_go_avoid_freq.range = NULL;
5854 #endif /* CONFIG_P2P */
5855
5856 #ifdef CONFIG_WPS_TESTING
5857 wps_version_number = 0x20;
5858 wps_testing_dummy_cred = 0;
5859 wps_corrupt_pkhash = 0;
5860 #endif /* CONFIG_WPS_TESTING */
5861 #ifdef CONFIG_WPS
5862 wpa_s->wps_fragment_size = 0;
5863 wpas_wps_cancel(wpa_s);
5864 #endif /* CONFIG_WPS */
5865 wpa_s->after_wps = 0;
5866 wpa_s->known_wps_freq = 0;
5867
5868 #ifdef CONFIG_TDLS
5869 #ifdef CONFIG_TDLS_TESTING
5870 extern unsigned int tdls_testing;
5871 tdls_testing = 0;
5872 #endif /* CONFIG_TDLS_TESTING */
5873 wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
5874 wpa_tdls_enable(wpa_s->wpa, 1);
5875 #endif /* CONFIG_TDLS */
5876
5877 eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
5878 wpa_supplicant_stop_countermeasures(wpa_s, NULL);
5879
5880 wpa_s->no_keep_alive = 0;
5881
5882 os_free(wpa_s->disallow_aps_bssid);
5883 wpa_s->disallow_aps_bssid = NULL;
5884 wpa_s->disallow_aps_bssid_count = 0;
5885 os_free(wpa_s->disallow_aps_ssid);
5886 wpa_s->disallow_aps_ssid = NULL;
5887 wpa_s->disallow_aps_ssid_count = 0;
5888
5889 wpa_s->set_sta_uapsd = 0;
5890 wpa_s->sta_uapsd = 0;
5891
5892 wpa_drv_radio_disable(wpa_s, 0);
5893
5894 wpa_bss_flush(wpa_s);
5895 wpa_blacklist_clear(wpa_s);
5896 wpa_s->extra_blacklist_count = 0;
5897 wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
5898 wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
5899 wpa_config_flush_blobs(wpa_s->conf);
5900 wpa_s->conf->auto_interworking = 0;
5901 wpa_s->conf->okc = 0;
5902
5903 wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
5904 wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
5905 wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
5906 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
5907
5908 radio_remove_works(wpa_s, NULL, 1);
5909
5910 wpa_s->next_ssid = NULL;
5911
5912 #ifdef CONFIG_INTERWORKING
5913 hs20_cancel_fetch_osu(wpa_s);
5914 #endif /* CONFIG_INTERWORKING */
5915
5916 wpa_s->ext_mgmt_frame_handling = 0;
5917 wpa_s->ext_eapol_frame_io = 0;
5918 #ifdef CONFIG_TESTING_OPTIONS
5919 wpa_s->extra_roc_dur = 0;
5920 #endif /* CONFIG_TESTING_OPTIONS */
5921 }
5922
5923
5924 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
5925 char *buf, size_t buflen)
5926 {
5927 struct wpa_radio_work *work;
5928 char *pos, *end;
5929 struct os_reltime now, diff;
5930
5931 pos = buf;
5932 end = buf + buflen;
5933
5934 os_get_reltime(&now);
5935
5936 dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
5937 {
5938 int ret;
5939
5940 os_reltime_sub(&now, &work->time, &diff);
5941 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
5942 work->type, work->wpa_s->ifname, work->freq,
5943 work->started, diff.sec, diff.usec);
5944 if (ret < 0 || ret >= end - pos)
5945 break;
5946 pos += ret;
5947 }
5948
5949 return pos - buf;
5950 }
5951
5952
5953 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
5954 {
5955 struct wpa_radio_work *work = eloop_ctx;
5956 struct wpa_external_work *ework = work->ctx;
5957
5958 wpa_dbg(work->wpa_s, MSG_DEBUG,
5959 "Timing out external radio work %u (%s)",
5960 ework->id, work->type);
5961 wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
5962 radio_work_done(work);
5963 os_free(ework);
5964 }
5965
5966
5967 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
5968 {
5969 struct wpa_external_work *ework = work->ctx;
5970
5971 if (deinit) {
5972 if (work->started)
5973 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
5974 work, NULL);
5975
5976 os_free(ework);
5977 return;
5978 }
5979
5980 wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
5981 ework->id, ework->type);
5982 wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
5983 if (!ework->timeout)
5984 ework->timeout = 10;
5985 eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
5986 work, NULL);
5987 }
5988
5989
5990 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
5991 char *buf, size_t buflen)
5992 {
5993 struct wpa_external_work *ework;
5994 char *pos, *pos2;
5995 size_t type_len;
5996 int ret;
5997 unsigned int freq = 0;
5998
5999 /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
6000
6001 ework = os_zalloc(sizeof(*ework));
6002 if (ework == NULL)
6003 return -1;
6004
6005 pos = os_strchr(cmd, ' ');
6006 if (pos) {
6007 type_len = pos - cmd;
6008 pos++;
6009
6010 pos2 = os_strstr(pos, "freq=");
6011 if (pos2)
6012 freq = atoi(pos2 + 5);
6013
6014 pos2 = os_strstr(pos, "timeout=");
6015 if (pos2)
6016 ework->timeout = atoi(pos2 + 8);
6017 } else {
6018 type_len = os_strlen(cmd);
6019 }
6020 if (4 + type_len >= sizeof(ework->type))
6021 type_len = sizeof(ework->type) - 4 - 1;
6022 os_strlcpy(ework->type, "ext:", sizeof(ework->type));
6023 os_memcpy(ework->type + 4, cmd, type_len);
6024 ework->type[4 + type_len] = '\0';
6025
6026 wpa_s->ext_work_id++;
6027 if (wpa_s->ext_work_id == 0)
6028 wpa_s->ext_work_id++;
6029 ework->id = wpa_s->ext_work_id;
6030
6031 if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
6032 ework) < 0) {
6033 os_free(ework);
6034 return -1;
6035 }
6036
6037 ret = os_snprintf(buf, buflen, "%u", ework->id);
6038 if (ret < 0 || (size_t) ret >= buflen)
6039 return -1;
6040 return ret;
6041 }
6042
6043
6044 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
6045 {
6046 struct wpa_radio_work *work;
6047 unsigned int id = atoi(cmd);
6048
6049 dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6050 {
6051 struct wpa_external_work *ework;
6052
6053 if (os_strncmp(work->type, "ext:", 4) != 0)
6054 continue;
6055 ework = work->ctx;
6056 if (id && ework->id != id)
6057 continue;
6058 wpa_dbg(wpa_s, MSG_DEBUG,
6059 "Completed external radio work %u (%s)",
6060 ework->id, ework->type);
6061 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
6062 radio_work_done(work);
6063 os_free(ework);
6064 return 3; /* "OK\n" */
6065 }
6066
6067 return -1;
6068 }
6069
6070
6071 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
6072 char *buf, size_t buflen)
6073 {
6074 if (os_strcmp(cmd, "show") == 0)
6075 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
6076 if (os_strncmp(cmd, "add ", 4) == 0)
6077 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
6078 if (os_strncmp(cmd, "done ", 5) == 0)
6079 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
6080 return -1;
6081 }
6082
6083
6084 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
6085 {
6086 struct wpa_radio_work *work, *tmp;
6087
6088 if (!wpa_s || !wpa_s->radio)
6089 return;
6090
6091 dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
6092 struct wpa_radio_work, list) {
6093 struct wpa_external_work *ework;
6094
6095 if (os_strncmp(work->type, "ext:", 4) != 0)
6096 continue;
6097 ework = work->ctx;
6098 wpa_dbg(wpa_s, MSG_DEBUG,
6099 "Flushing%s external radio work %u (%s)",
6100 work->started ? " started" : "", ework->id,
6101 ework->type);
6102 if (work->started)
6103 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6104 work, NULL);
6105 radio_work_done(work);
6106 os_free(ework);
6107 }
6108 }
6109
6110
6111 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
6112 {
6113 struct wpa_supplicant *wpa_s = eloop_ctx;
6114 eapol_sm_notify_ctrl_response(wpa_s->eapol);
6115 }
6116
6117
6118 static int set_scan_freqs(struct wpa_supplicant *wpa_s, char *val)
6119 {
6120 int *freqs = NULL;
6121
6122 freqs = freq_range_to_channel_list(wpa_s, val);
6123 if (freqs == NULL)
6124 return -1;
6125
6126 os_free(wpa_s->manual_scan_freqs);
6127 wpa_s->manual_scan_freqs = freqs;
6128
6129 return 0;
6130 }
6131
6132
6133 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value)
6134 {
6135 const char *pos = value;
6136
6137 while (pos) {
6138 if (*pos == ' ' || *pos == '\0')
6139 break;
6140 if (wpa_s->scan_id_count == MAX_SCAN_ID)
6141 return -1;
6142 wpa_s->scan_id[wpa_s->scan_id_count++] = atoi(pos);
6143 pos = os_strchr(pos, ',');
6144 if (pos)
6145 pos++;
6146 }
6147
6148 return 0;
6149 }
6150
6151
6152 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
6153 char *reply, int reply_size, int *reply_len)
6154 {
6155 char *pos;
6156
6157 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
6158 *reply_len = -1;
6159 return;
6160 }
6161
6162 wpa_s->manual_scan_passive = 0;
6163 wpa_s->manual_scan_use_id = 0;
6164 wpa_s->manual_scan_only_new = 0;
6165 wpa_s->scan_id_count = 0;
6166
6167 if (params) {
6168 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
6169 wpa_s->scan_res_handler = scan_only_handler;
6170
6171 pos = os_strstr(params, "freq=");
6172 if (pos && set_scan_freqs(wpa_s, pos + 5) < 0) {
6173 *reply_len = -1;
6174 return;
6175 }
6176
6177 pos = os_strstr(params, "passive=");
6178 if (pos)
6179 wpa_s->manual_scan_passive = !!atoi(pos + 8);
6180
6181 pos = os_strstr(params, "use_id=");
6182 if (pos)
6183 wpa_s->manual_scan_use_id = atoi(pos + 7);
6184
6185 pos = os_strstr(params, "only_new=1");
6186 if (pos)
6187 wpa_s->manual_scan_only_new = 1;
6188
6189 pos = os_strstr(params, "scan_id=");
6190 if (pos && scan_id_list_parse(wpa_s, pos + 8) < 0) {
6191 *reply_len = -1;
6192 return;
6193 }
6194 } else {
6195 os_free(wpa_s->manual_scan_freqs);
6196 wpa_s->manual_scan_freqs = NULL;
6197 if (wpa_s->scan_res_handler == scan_only_handler)
6198 wpa_s->scan_res_handler = NULL;
6199 }
6200
6201 if (!wpa_s->sched_scanning && !wpa_s->scanning &&
6202 ((wpa_s->wpa_state <= WPA_SCANNING) ||
6203 (wpa_s->wpa_state == WPA_COMPLETED))) {
6204 wpa_s->normal_scans = 0;
6205 wpa_s->scan_req = MANUAL_SCAN_REQ;
6206 wpa_s->after_wps = 0;
6207 wpa_s->known_wps_freq = 0;
6208 wpa_supplicant_req_scan(wpa_s, 0, 0);
6209 if (wpa_s->manual_scan_use_id) {
6210 wpa_s->manual_scan_id++;
6211 wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
6212 wpa_s->manual_scan_id);
6213 *reply_len = os_snprintf(reply, reply_size, "%u\n",
6214 wpa_s->manual_scan_id);
6215 }
6216 } else if (wpa_s->sched_scanning) {
6217 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
6218 wpa_supplicant_cancel_sched_scan(wpa_s);
6219 wpa_s->scan_req = MANUAL_SCAN_REQ;
6220 wpa_supplicant_req_scan(wpa_s, 0, 0);
6221 if (wpa_s->manual_scan_use_id) {
6222 wpa_s->manual_scan_id++;
6223 *reply_len = os_snprintf(reply, reply_size, "%u\n",
6224 wpa_s->manual_scan_id);
6225 wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
6226 wpa_s->manual_scan_id);
6227 }
6228 } else {
6229 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
6230 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
6231 }
6232 }
6233
6234
6235 #ifdef CONFIG_TESTING_OPTIONS
6236
6237 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
6238 unsigned int freq, const u8 *dst,
6239 const u8 *src, const u8 *bssid,
6240 const u8 *data, size_t data_len,
6241 enum offchannel_send_action_result
6242 result)
6243 {
6244 wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
6245 " src=" MACSTR " bssid=" MACSTR " result=%s",
6246 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
6247 result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
6248 "SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
6249 "NO_ACK" : "FAILED"));
6250 }
6251
6252
6253 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
6254 {
6255 char *pos, *param;
6256 size_t len;
6257 u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
6258 int res, used;
6259 int freq = 0, no_cck = 0, wait_time = 0;
6260
6261 /* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
6262 * <action=Action frame payload> */
6263
6264 wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
6265
6266 pos = cmd;
6267 used = hwaddr_aton2(pos, da);
6268 if (used < 0)
6269 return -1;
6270 pos += used;
6271 while (*pos == ' ')
6272 pos++;
6273 used = hwaddr_aton2(pos, bssid);
6274 if (used < 0)
6275 return -1;
6276 pos += used;
6277
6278 param = os_strstr(pos, " freq=");
6279 if (param) {
6280 param += 6;
6281 freq = atoi(param);
6282 }
6283
6284 param = os_strstr(pos, " no_cck=");
6285 if (param) {
6286 param += 8;
6287 no_cck = atoi(param);
6288 }
6289
6290 param = os_strstr(pos, " wait_time=");
6291 if (param) {
6292 param += 11;
6293 wait_time = atoi(param);
6294 }
6295
6296 param = os_strstr(pos, " action=");
6297 if (param == NULL)
6298 return -1;
6299 param += 8;
6300
6301 len = os_strlen(param);
6302 if (len & 1)
6303 return -1;
6304 len /= 2;
6305
6306 buf = os_malloc(len);
6307 if (buf == NULL)
6308 return -1;
6309
6310 if (hexstr2bin(param, buf, len) < 0) {
6311 os_free(buf);
6312 return -1;
6313 }
6314
6315 res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
6316 buf, len, wait_time,
6317 wpas_ctrl_iface_mgmt_tx_cb, no_cck);
6318 os_free(buf);
6319 return res;
6320 }
6321
6322
6323 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
6324 {
6325 wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
6326 offchannel_send_action_done(wpa_s);
6327 }
6328
6329
6330 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
6331 {
6332 char *pos, *param;
6333 union wpa_event_data event;
6334 enum wpa_event_type ev;
6335
6336 /* <event name> [parameters..] */
6337
6338 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
6339
6340 pos = cmd;
6341 param = os_strchr(pos, ' ');
6342 if (param)
6343 *param++ = '\0';
6344
6345 os_memset(&event, 0, sizeof(event));
6346
6347 if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
6348 ev = EVENT_INTERFACE_ENABLED;
6349 } else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
6350 ev = EVENT_INTERFACE_DISABLED;
6351 } else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
6352 ev = EVENT_AVOID_FREQUENCIES;
6353 if (param == NULL)
6354 param = "";
6355 if (freq_range_list_parse(&event.freq_range, param) < 0)
6356 return -1;
6357 wpa_supplicant_event(wpa_s, ev, &event);
6358 os_free(event.freq_range.range);
6359 return 0;
6360 } else {
6361 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
6362 cmd);
6363 return -1;
6364 }
6365
6366 wpa_supplicant_event(wpa_s, ev, &event);
6367
6368 return 0;
6369 }
6370
6371
6372 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
6373 {
6374 char *pos;
6375 u8 src[ETH_ALEN], *buf;
6376 int used;
6377 size_t len;
6378
6379 wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
6380
6381 pos = cmd;
6382 used = hwaddr_aton2(pos, src);
6383 if (used < 0)
6384 return -1;
6385 pos += used;
6386 while (*pos == ' ')
6387 pos++;
6388
6389 len = os_strlen(pos);
6390 if (len & 1)
6391 return -1;
6392 len /= 2;
6393
6394 buf = os_malloc(len);
6395 if (buf == NULL)
6396 return -1;
6397
6398 if (hexstr2bin(pos, buf, len) < 0) {
6399 os_free(buf);
6400 return -1;
6401 }
6402
6403 wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
6404 os_free(buf);
6405
6406 return 0;
6407 }
6408
6409
6410 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
6411 {
6412 size_t i;
6413 u32 sum = 0;
6414 const u16 *pos = buf;
6415
6416 for (i = 0; i < len / 2; i++)
6417 sum += *pos++;
6418
6419 while (sum >> 16)
6420 sum = (sum & 0xffff) + (sum >> 16);
6421
6422 return sum ^ 0xffff;
6423 }
6424
6425
6426 #define HWSIM_PACKETLEN 1500
6427 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
6428
6429 void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
6430 {
6431 struct wpa_supplicant *wpa_s = ctx;
6432 const struct ether_header *eth;
6433 const struct iphdr *ip;
6434 const u8 *pos;
6435 unsigned int i;
6436
6437 if (len != HWSIM_PACKETLEN)
6438 return;
6439
6440 eth = (const struct ether_header *) buf;
6441 ip = (const struct iphdr *) (eth + 1);
6442 pos = (const u8 *) (ip + 1);
6443
6444 if (ip->ihl != 5 || ip->version != 4 ||
6445 ntohs(ip->tot_len) != HWSIM_IP_LEN)
6446 return;
6447
6448 for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++) {
6449 if (*pos != (u8) i)
6450 return;
6451 pos++;
6452 }
6453
6454 wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
6455 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
6456 }
6457
6458
6459 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
6460 char *cmd)
6461 {
6462 int enabled = atoi(cmd);
6463
6464 if (!enabled) {
6465 if (wpa_s->l2_test) {
6466 l2_packet_deinit(wpa_s->l2_test);
6467 wpa_s->l2_test = NULL;
6468 wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
6469 }
6470 return 0;
6471 }
6472
6473 if (wpa_s->l2_test)
6474 return 0;
6475
6476 wpa_s->l2_test = l2_packet_init(wpa_s->ifname, wpa_s->own_addr,
6477 ETHERTYPE_IP, wpas_data_test_rx,
6478 wpa_s, 1);
6479 if (wpa_s->l2_test == NULL)
6480 return -1;
6481
6482 wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
6483
6484 return 0;
6485 }
6486
6487
6488 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
6489 {
6490 u8 dst[ETH_ALEN], src[ETH_ALEN];
6491 char *pos;
6492 int used;
6493 long int val;
6494 u8 tos;
6495 u8 buf[HWSIM_PACKETLEN];
6496 struct ether_header *eth;
6497 struct iphdr *ip;
6498 u8 *dpos;
6499 unsigned int i;
6500
6501 if (wpa_s->l2_test == NULL)
6502 return -1;
6503
6504 /* format: <dst> <src> <tos> */
6505
6506 pos = cmd;
6507 used = hwaddr_aton2(pos, dst);
6508 if (used < 0)
6509 return -1;
6510 pos += used;
6511 while (*pos == ' ')
6512 pos++;
6513 used = hwaddr_aton2(pos, src);
6514 if (used < 0)
6515 return -1;
6516 pos += used;
6517
6518 val = strtol(pos, NULL, 0);
6519 if (val < 0 || val > 0xff)
6520 return -1;
6521 tos = val;
6522
6523 eth = (struct ether_header *) buf;
6524 os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
6525 os_memcpy(eth->ether_shost, src, ETH_ALEN);
6526 eth->ether_type = htons(ETHERTYPE_IP);
6527 ip = (struct iphdr *) (eth + 1);
6528 os_memset(ip, 0, sizeof(*ip));
6529 ip->ihl = 5;
6530 ip->version = 4;
6531 ip->ttl = 64;
6532 ip->tos = tos;
6533 ip->tot_len = htons(HWSIM_IP_LEN);
6534 ip->protocol = 1;
6535 ip->saddr = htonl(192 << 24 | 168 << 16 | 1 << 8 | 1);
6536 ip->daddr = htonl(192 << 24 | 168 << 16 | 1 << 8 | 2);
6537 ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
6538 dpos = (u8 *) (ip + 1);
6539 for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
6540 *dpos++ = i;
6541
6542 if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, buf,
6543 HWSIM_PACKETLEN) < 0)
6544 return -1;
6545
6546 wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
6547 " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
6548
6549 return 0;
6550 }
6551
6552 #endif /* CONFIG_TESTING_OPTIONS */
6553
6554
6555 static void wpas_ctrl_vendor_elem_update(struct wpa_supplicant *wpa_s)
6556 {
6557 unsigned int i;
6558 char buf[30];
6559
6560 wpa_printf(MSG_DEBUG, "Update vendor elements");
6561
6562 for (i = 0; i < NUM_VENDOR_ELEM_FRAMES; i++) {
6563 if (wpa_s->vendor_elem[i]) {
6564 os_snprintf(buf, sizeof(buf), "frame[%u]", i);
6565 wpa_hexdump_buf(MSG_DEBUG, buf, wpa_s->vendor_elem[i]);
6566 }
6567 }
6568
6569 #ifdef CONFIG_P2P
6570 if (wpa_s->parent == wpa_s &&
6571 wpa_s->global->p2p &&
6572 !wpa_s->global->p2p_disabled)
6573 p2p_set_vendor_elems(wpa_s->global->p2p, wpa_s->vendor_elem);
6574 #endif /* CONFIG_P2P */
6575 }
6576
6577
6578 static struct wpa_supplicant *
6579 wpas_ctrl_vendor_elem_iface(struct wpa_supplicant *wpa_s,
6580 enum wpa_vendor_elem_frame frame)
6581 {
6582 switch (frame) {
6583 #ifdef CONFIG_P2P
6584 case VENDOR_ELEM_PROBE_REQ_P2P:
6585 case VENDOR_ELEM_PROBE_RESP_P2P:
6586 case VENDOR_ELEM_PROBE_RESP_P2P_GO:
6587 case VENDOR_ELEM_BEACON_P2P_GO:
6588 case VENDOR_ELEM_P2P_PD_REQ:
6589 case VENDOR_ELEM_P2P_PD_RESP:
6590 case VENDOR_ELEM_P2P_GO_NEG_REQ:
6591 case VENDOR_ELEM_P2P_GO_NEG_RESP:
6592 case VENDOR_ELEM_P2P_GO_NEG_CONF:
6593 case VENDOR_ELEM_P2P_INV_REQ:
6594 case VENDOR_ELEM_P2P_INV_RESP:
6595 case VENDOR_ELEM_P2P_ASSOC_REQ:
6596 return wpa_s->parent;
6597 #endif /* CONFIG_P2P */
6598 default:
6599 return wpa_s;
6600 }
6601 }
6602
6603
6604 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
6605 {
6606 char *pos = cmd;
6607 int frame;
6608 size_t len;
6609 struct wpabuf *buf;
6610 struct ieee802_11_elems elems;
6611
6612 frame = atoi(pos);
6613 if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
6614 return -1;
6615 wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
6616
6617 pos = os_strchr(pos, ' ');
6618 if (pos == NULL)
6619 return -1;
6620 pos++;
6621
6622 len = os_strlen(pos);
6623 if (len == 0)
6624 return 0;
6625 if (len & 1)
6626 return -1;
6627 len /= 2;
6628
6629 buf = wpabuf_alloc(len);
6630 if (buf == NULL)
6631 return -1;
6632
6633 if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
6634 wpabuf_free(buf);
6635 return -1;
6636 }
6637
6638 if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
6639 ParseFailed) {
6640 wpabuf_free(buf);
6641 return -1;
6642 }
6643
6644 if (wpa_s->vendor_elem[frame] == NULL) {
6645 wpa_s->vendor_elem[frame] = buf;
6646 wpas_ctrl_vendor_elem_update(wpa_s);
6647 return 0;
6648 }
6649
6650 if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
6651 wpabuf_free(buf);
6652 return -1;
6653 }
6654
6655 wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
6656 wpabuf_free(buf);
6657 wpas_ctrl_vendor_elem_update(wpa_s);
6658
6659 return 0;
6660 }
6661
6662
6663 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
6664 char *buf, size_t buflen)
6665 {
6666 int frame = atoi(cmd);
6667
6668 if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
6669 return -1;
6670 wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
6671
6672 if (wpa_s->vendor_elem[frame] == NULL)
6673 return 0;
6674
6675 return wpa_snprintf_hex(buf, buflen,
6676 wpabuf_head_u8(wpa_s->vendor_elem[frame]),
6677 wpabuf_len(wpa_s->vendor_elem[frame]));
6678 }
6679
6680
6681 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
6682 {
6683 char *pos = cmd;
6684 int frame;
6685 size_t len;
6686 u8 *buf;
6687 struct ieee802_11_elems elems;
6688 u8 *ie, *end;
6689
6690 frame = atoi(pos);
6691 if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
6692 return -1;
6693 wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
6694
6695 pos = os_strchr(pos, ' ');
6696 if (pos == NULL)
6697 return -1;
6698 pos++;
6699
6700 if (*pos == '*') {
6701 wpabuf_free(wpa_s->vendor_elem[frame]);
6702 wpa_s->vendor_elem[frame] = NULL;
6703 wpas_ctrl_vendor_elem_update(wpa_s);
6704 return 0;
6705 }
6706
6707 if (wpa_s->vendor_elem[frame] == NULL)
6708 return -1;
6709
6710 len = os_strlen(pos);
6711 if (len == 0)
6712 return 0;
6713 if (len & 1)
6714 return -1;
6715 len /= 2;
6716
6717 buf = os_malloc(len);
6718 if (buf == NULL)
6719 return -1;
6720
6721 if (hexstr2bin(pos, buf, len) < 0) {
6722 os_free(buf);
6723 return -1;
6724 }
6725
6726 if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
6727 os_free(buf);
6728 return -1;
6729 }
6730
6731 ie = wpabuf_mhead_u8(wpa_s->vendor_elem[frame]);
6732 end = ie + wpabuf_len(wpa_s->vendor_elem[frame]);
6733
6734 for (; ie + 1 < end; ie += 2 + ie[1]) {
6735 if (ie + len > end)
6736 break;
6737 if (os_memcmp(ie, buf, len) != 0)
6738 continue;
6739
6740 if (wpabuf_len(wpa_s->vendor_elem[frame]) == len) {
6741 wpabuf_free(wpa_s->vendor_elem[frame]);
6742 wpa_s->vendor_elem[frame] = NULL;
6743 } else {
6744 os_memmove(ie, ie + len,
6745 end - (ie + len));
6746 wpa_s->vendor_elem[frame]->used -= len;
6747 }
6748 os_free(buf);
6749 wpas_ctrl_vendor_elem_update(wpa_s);
6750 return 0;
6751 }
6752
6753 os_free(buf);
6754
6755 return -1;
6756 }
6757
6758
6759 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
6760 char *buf, size_t *resp_len)
6761 {
6762 char *reply;
6763 const int reply_size = 4096;
6764 int reply_len;
6765
6766 if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
6767 os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
6768 if (wpa_debug_show_keys)
6769 wpa_dbg(wpa_s, MSG_DEBUG,
6770 "Control interface command '%s'", buf);
6771 else
6772 wpa_dbg(wpa_s, MSG_DEBUG,
6773 "Control interface command '%s [REMOVED]'",
6774 os_strncmp(buf, WPA_CTRL_RSP,
6775 os_strlen(WPA_CTRL_RSP)) == 0 ?
6776 WPA_CTRL_RSP : "SET_NETWORK");
6777 } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
6778 os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
6779 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
6780 (const u8 *) buf, os_strlen(buf));
6781 } else {
6782 int level = MSG_DEBUG;
6783 if (os_strcmp(buf, "PING") == 0)
6784 level = MSG_EXCESSIVE;
6785 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
6786 }
6787
6788 reply = os_malloc(reply_size);
6789 if (reply == NULL) {
6790 *resp_len = 1;
6791 return NULL;
6792 }
6793
6794 os_memcpy(reply, "OK\n", 3);
6795 reply_len = 3;
6796
6797 if (os_strcmp(buf, "PING") == 0) {
6798 os_memcpy(reply, "PONG\n", 5);
6799 reply_len = 5;
6800 } else if (os_strcmp(buf, "IFNAME") == 0) {
6801 reply_len = os_strlen(wpa_s->ifname);
6802 os_memcpy(reply, wpa_s->ifname, reply_len);
6803 } else if (os_strncmp(buf, "RELOG", 5) == 0) {
6804 if (wpa_debug_reopen_file() < 0)
6805 reply_len = -1;
6806 } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
6807 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
6808 } else if (os_strcmp(buf, "MIB") == 0) {
6809 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
6810 if (reply_len >= 0) {
6811 int res;
6812 res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
6813 reply_size - reply_len);
6814 if (res < 0)
6815 reply_len = -1;
6816 else
6817 reply_len += res;
6818 }
6819 } else if (os_strncmp(buf, "STATUS", 6) == 0) {
6820 reply_len = wpa_supplicant_ctrl_iface_status(
6821 wpa_s, buf + 6, reply, reply_size);
6822 } else if (os_strcmp(buf, "PMKSA") == 0) {
6823 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
6824 reply_size);
6825 } else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
6826 wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
6827 } else if (os_strncmp(buf, "SET ", 4) == 0) {
6828 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
6829 reply_len = -1;
6830 } else if (os_strncmp(buf, "GET ", 4) == 0) {
6831 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
6832 reply, reply_size);
6833 } else if (os_strcmp(buf, "LOGON") == 0) {
6834 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
6835 } else if (os_strcmp(buf, "LOGOFF") == 0) {
6836 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
6837 } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
6838 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
6839 reply_len = -1;
6840 else
6841 wpas_request_connection(wpa_s);
6842 } else if (os_strcmp(buf, "REATTACH") == 0) {
6843 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
6844 !wpa_s->current_ssid)
6845 reply_len = -1;
6846 else {
6847 wpa_s->reattach = 1;
6848 wpas_request_connection(wpa_s);
6849 }
6850 } else if (os_strcmp(buf, "RECONNECT") == 0) {
6851 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
6852 reply_len = -1;
6853 else if (wpa_s->disconnected)
6854 wpas_request_connection(wpa_s);
6855 #ifdef IEEE8021X_EAPOL
6856 } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
6857 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
6858 reply_len = -1;
6859 #endif /* IEEE8021X_EAPOL */
6860 #ifdef CONFIG_PEERKEY
6861 } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
6862 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
6863 reply_len = -1;
6864 #endif /* CONFIG_PEERKEY */
6865 #ifdef CONFIG_IEEE80211R
6866 } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
6867 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
6868 reply_len = -1;
6869 #endif /* CONFIG_IEEE80211R */
6870 #ifdef CONFIG_WPS
6871 } else if (os_strcmp(buf, "WPS_PBC") == 0) {
6872 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
6873 if (res == -2) {
6874 os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
6875 reply_len = 17;
6876 } else if (res)
6877 reply_len = -1;
6878 } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
6879 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
6880 if (res == -2) {
6881 os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
6882 reply_len = 17;
6883 } else if (res)
6884 reply_len = -1;
6885 } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
6886 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
6887 reply,
6888 reply_size);
6889 } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
6890 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
6891 wpa_s, buf + 14, reply, reply_size);
6892 } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
6893 if (wpas_wps_cancel(wpa_s))
6894 reply_len = -1;
6895 #ifdef CONFIG_WPS_NFC
6896 } else if (os_strcmp(buf, "WPS_NFC") == 0) {
6897 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
6898 reply_len = -1;
6899 } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
6900 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
6901 reply_len = -1;
6902 } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
6903 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
6904 wpa_s, buf + 21, reply, reply_size);
6905 } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
6906 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
6907 wpa_s, buf + 14, reply, reply_size);
6908 } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
6909 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
6910 buf + 17))
6911 reply_len = -1;
6912 } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
6913 reply_len = wpas_ctrl_nfc_get_handover_req(
6914 wpa_s, buf + 21, reply, reply_size);
6915 } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
6916 reply_len = wpas_ctrl_nfc_get_handover_sel(
6917 wpa_s, buf + 21, reply, reply_size);
6918 } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
6919 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
6920 reply_len = -1;
6921 #endif /* CONFIG_WPS_NFC */
6922 } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
6923 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
6924 reply_len = -1;
6925 #ifdef CONFIG_AP
6926 } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
6927 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
6928 wpa_s, buf + 11, reply, reply_size);
6929 #endif /* CONFIG_AP */
6930 #ifdef CONFIG_WPS_ER
6931 } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
6932 if (wpas_wps_er_start(wpa_s, NULL))
6933 reply_len = -1;
6934 } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
6935 if (wpas_wps_er_start(wpa_s, buf + 13))
6936 reply_len = -1;
6937 } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
6938 if (wpas_wps_er_stop(wpa_s))
6939 reply_len = -1;
6940 } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
6941 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
6942 reply_len = -1;
6943 } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
6944 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
6945 if (ret == -2) {
6946 os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
6947 reply_len = 17;
6948 } else if (ret == -3) {
6949 os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
6950 reply_len = 18;
6951 } else if (ret == -4) {
6952 os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
6953 reply_len = 20;
6954 } else if (ret)
6955 reply_len = -1;
6956 } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
6957 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
6958 reply_len = -1;
6959 } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
6960 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
6961 buf + 18))
6962 reply_len = -1;
6963 } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
6964 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
6965 reply_len = -1;
6966 #ifdef CONFIG_WPS_NFC
6967 } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
6968 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
6969 wpa_s, buf + 24, reply, reply_size);
6970 #endif /* CONFIG_WPS_NFC */
6971 #endif /* CONFIG_WPS_ER */
6972 #endif /* CONFIG_WPS */
6973 #ifdef CONFIG_IBSS_RSN
6974 } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
6975 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
6976 reply_len = -1;
6977 #endif /* CONFIG_IBSS_RSN */
6978 #ifdef CONFIG_MESH
6979 } else if (os_strncmp(buf, "MESH_GROUP_ADD ", 15) == 0) {
6980 if (wpa_supplicant_ctrl_iface_mesh_group_add(wpa_s, buf + 15))
6981 reply_len = -1;
6982 } else if (os_strncmp(buf, "MESH_GROUP_REMOVE ", 18) == 0) {
6983 if (wpa_supplicant_ctrl_iface_mesh_group_remove(wpa_s,
6984 buf + 18))
6985 reply_len = -1;
6986 #endif /* CONFIG_MESH */
6987 #ifdef CONFIG_P2P
6988 } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
6989 if (p2p_ctrl_find(wpa_s, buf + 9))
6990 reply_len = -1;
6991 } else if (os_strcmp(buf, "P2P_FIND") == 0) {
6992 if (p2p_ctrl_find(wpa_s, ""))
6993 reply_len = -1;
6994 } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
6995 wpas_p2p_stop_find(wpa_s);
6996 } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
6997 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
6998 reply_size);
6999 } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
7000 if (p2p_ctrl_listen(wpa_s, buf + 11))
7001 reply_len = -1;
7002 } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
7003 if (p2p_ctrl_listen(wpa_s, ""))
7004 reply_len = -1;
7005 } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
7006 if (wpas_p2p_group_remove(wpa_s, buf + 17))
7007 reply_len = -1;
7008 } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
7009 if (wpas_p2p_group_add(wpa_s, 0, 0, 0, 0))
7010 reply_len = -1;
7011 } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
7012 if (p2p_ctrl_group_add(wpa_s, buf + 14))
7013 reply_len = -1;
7014 } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
7015 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
7016 reply_len = -1;
7017 } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
7018 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
7019 } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
7020 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
7021 reply_size);
7022 } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
7023 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
7024 reply_len = -1;
7025 } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
7026 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
7027 reply_len = -1;
7028 } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
7029 wpas_p2p_sd_service_update(wpa_s);
7030 } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
7031 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
7032 reply_len = -1;
7033 } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
7034 wpas_p2p_service_flush(wpa_s);
7035 } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
7036 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
7037 reply_len = -1;
7038 } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
7039 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
7040 reply_len = -1;
7041 } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
7042 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
7043 reply_len = -1;
7044 } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
7045 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
7046 reply_len = -1;
7047 } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
7048 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
7049 reply_size);
7050 } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
7051 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
7052 reply_len = -1;
7053 } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
7054 p2p_ctrl_flush(wpa_s);
7055 } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
7056 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
7057 reply_len = -1;
7058 } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
7059 if (wpas_p2p_cancel(wpa_s))
7060 reply_len = -1;
7061 } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
7062 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
7063 reply_len = -1;
7064 } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
7065 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
7066 reply_len = -1;
7067 } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
7068 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
7069 reply_len = -1;
7070 } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
7071 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
7072 reply_len = -1;
7073 } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
7074 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
7075 reply_len = -1;
7076 #endif /* CONFIG_P2P */
7077 #ifdef CONFIG_WIFI_DISPLAY
7078 } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
7079 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
7080 reply_len = -1;
7081 } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
7082 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
7083 reply, reply_size);
7084 #endif /* CONFIG_WIFI_DISPLAY */
7085 #ifdef CONFIG_INTERWORKING
7086 } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
7087 if (interworking_fetch_anqp(wpa_s) < 0)
7088 reply_len = -1;
7089 } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
7090 interworking_stop_fetch_anqp(wpa_s);
7091 } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
7092 if (ctrl_interworking_select(wpa_s, NULL) < 0)
7093 reply_len = -1;
7094 } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
7095 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
7096 reply_len = -1;
7097 } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
7098 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
7099 reply_len = -1;
7100 } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
7101 if (get_anqp(wpa_s, buf + 9) < 0)
7102 reply_len = -1;
7103 } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
7104 if (gas_request(wpa_s, buf + 12) < 0)
7105 reply_len = -1;
7106 } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
7107 reply_len = gas_response_get(wpa_s, buf + 17, reply,
7108 reply_size);
7109 #endif /* CONFIG_INTERWORKING */
7110 #ifdef CONFIG_HS20
7111 } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
7112 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
7113 reply_len = -1;
7114 } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
7115 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
7116 reply_len = -1;
7117 } else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
7118 if (hs20_icon_request(wpa_s, buf + 18) < 0)
7119 reply_len = -1;
7120 } else if (os_strcmp(buf, "FETCH_OSU") == 0) {
7121 if (hs20_fetch_osu(wpa_s) < 0)
7122 reply_len = -1;
7123 } else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
7124 hs20_cancel_fetch_osu(wpa_s);
7125 #endif /* CONFIG_HS20 */
7126 } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
7127 {
7128 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
7129 wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
7130 reply_len = -1;
7131 else {
7132 /*
7133 * Notify response from timeout to allow the control
7134 * interface response to be sent first.
7135 */
7136 eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
7137 wpa_s, NULL);
7138 }
7139 } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
7140 if (wpa_supplicant_reload_configuration(wpa_s))
7141 reply_len = -1;
7142 } else if (os_strcmp(buf, "TERMINATE") == 0) {
7143 wpa_supplicant_terminate_proc(wpa_s->global);
7144 } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
7145 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
7146 reply_len = -1;
7147 } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
7148 reply_len = wpa_supplicant_ctrl_iface_blacklist(
7149 wpa_s, buf + 9, reply, reply_size);
7150 } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
7151 reply_len = wpa_supplicant_ctrl_iface_log_level(
7152 wpa_s, buf + 9, reply, reply_size);
7153 } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
7154 reply_len = wpa_supplicant_ctrl_iface_list_networks(
7155 wpa_s, reply, reply_size);
7156 } else if (os_strcmp(buf, "DISCONNECT") == 0) {
7157 #ifdef CONFIG_SME
7158 wpa_s->sme.prev_bssid_set = 0;
7159 #endif /* CONFIG_SME */
7160 wpa_s->reassociate = 0;
7161 wpa_s->disconnected = 1;
7162 wpa_supplicant_cancel_sched_scan(wpa_s);
7163 wpa_supplicant_cancel_scan(wpa_s);
7164 wpa_supplicant_deauthenticate(wpa_s,
7165 WLAN_REASON_DEAUTH_LEAVING);
7166 } else if (os_strcmp(buf, "SCAN") == 0) {
7167 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
7168 } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
7169 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
7170 } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
7171 reply_len = wpa_supplicant_ctrl_iface_scan_results(
7172 wpa_s, reply, reply_size);
7173 } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
7174 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
7175 reply_len = -1;
7176 } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
7177 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
7178 reply_len = -1;
7179 } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
7180 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
7181 reply_len = -1;
7182 } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
7183 reply_len = wpa_supplicant_ctrl_iface_add_network(
7184 wpa_s, reply, reply_size);
7185 } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
7186 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
7187 reply_len = -1;
7188 } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
7189 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
7190 reply_len = -1;
7191 } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
7192 reply_len = wpa_supplicant_ctrl_iface_get_network(
7193 wpa_s, buf + 12, reply, reply_size);
7194 } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
7195 if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12))
7196 reply_len = -1;
7197 } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
7198 reply_len = wpa_supplicant_ctrl_iface_list_creds(
7199 wpa_s, reply, reply_size);
7200 } else if (os_strcmp(buf, "ADD_CRED") == 0) {
7201 reply_len = wpa_supplicant_ctrl_iface_add_cred(
7202 wpa_s, reply, reply_size);
7203 } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
7204 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
7205 reply_len = -1;
7206 } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
7207 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
7208 reply_len = -1;
7209 } else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
7210 reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
7211 reply,
7212 reply_size);
7213 #ifndef CONFIG_NO_CONFIG_WRITE
7214 } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
7215 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
7216 reply_len = -1;
7217 #endif /* CONFIG_NO_CONFIG_WRITE */
7218 } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
7219 reply_len = wpa_supplicant_ctrl_iface_get_capability(
7220 wpa_s, buf + 15, reply, reply_size);
7221 } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
7222 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
7223 reply_len = -1;
7224 } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
7225 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
7226 reply_len = -1;
7227 } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
7228 reply_len = wpa_supplicant_global_iface_list(
7229 wpa_s->global, reply, reply_size);
7230 } else if (os_strcmp(buf, "INTERFACES") == 0) {
7231 reply_len = wpa_supplicant_global_iface_interfaces(
7232 wpa_s->global, reply, reply_size);
7233 } else if (os_strncmp(buf, "BSS ", 4) == 0) {
7234 reply_len = wpa_supplicant_ctrl_iface_bss(
7235 wpa_s, buf + 4, reply, reply_size);
7236 #ifdef CONFIG_AP
7237 } else if (os_strcmp(buf, "STA-FIRST") == 0) {
7238 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
7239 } else if (os_strncmp(buf, "STA ", 4) == 0) {
7240 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
7241 reply_size);
7242 } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
7243 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
7244 reply_size);
7245 } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
7246 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
7247 reply_len = -1;
7248 } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
7249 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
7250 reply_len = -1;
7251 } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
7252 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
7253 reply_len = -1;
7254 #endif /* CONFIG_AP */
7255 } else if (os_strcmp(buf, "SUSPEND") == 0) {
7256 wpas_notify_suspend(wpa_s->global);
7257 } else if (os_strcmp(buf, "RESUME") == 0) {
7258 wpas_notify_resume(wpa_s->global);
7259 #ifdef CONFIG_TESTING_OPTIONS
7260 } else if (os_strcmp(buf, "DROP_SA") == 0) {
7261 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
7262 #endif /* CONFIG_TESTING_OPTIONS */
7263 } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
7264 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
7265 reply_len = -1;
7266 } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
7267 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
7268 reply_len = -1;
7269 } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
7270 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
7271 reply_len = -1;
7272 } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
7273 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
7274 buf + 17))
7275 reply_len = -1;
7276 } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
7277 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
7278 reply_len = -1;
7279 #ifdef CONFIG_TDLS
7280 } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
7281 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
7282 reply_len = -1;
7283 } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
7284 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
7285 reply_len = -1;
7286 } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
7287 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
7288 reply_len = -1;
7289 #endif /* CONFIG_TDLS */
7290 } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
7291 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
7292 reply_size);
7293 } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
7294 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
7295 reply_size);
7296 #ifdef CONFIG_AUTOSCAN
7297 } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
7298 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
7299 reply_len = -1;
7300 #endif /* CONFIG_AUTOSCAN */
7301 #ifdef ANDROID
7302 } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
7303 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
7304 reply_size);
7305 #endif /* ANDROID */
7306 } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
7307 reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
7308 reply_size);
7309 } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
7310 pmksa_cache_clear_current(wpa_s->wpa);
7311 eapol_sm_request_reauth(wpa_s->eapol);
7312 #ifdef CONFIG_WNM
7313 } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
7314 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
7315 reply_len = -1;
7316 } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 10) == 0) {
7317 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 10))
7318 reply_len = -1;
7319 #endif /* CONFIG_WNM */
7320 } else if (os_strcmp(buf, "FLUSH") == 0) {
7321 wpa_supplicant_ctrl_iface_flush(wpa_s);
7322 } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
7323 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
7324 reply_size);
7325 #ifdef CONFIG_TESTING_OPTIONS
7326 } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
7327 if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
7328 reply_len = -1;
7329 } else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
7330 wpas_ctrl_iface_mgmt_tx_done(wpa_s);
7331 } else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
7332 if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
7333 reply_len = -1;
7334 } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
7335 if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
7336 reply_len = -1;
7337 } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
7338 if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
7339 reply_len = -1;
7340 } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
7341 if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
7342 reply_len = -1;
7343 #endif /* CONFIG_TESTING_OPTIONS */
7344 } else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
7345 if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
7346 reply_len = -1;
7347 } else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
7348 reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
7349 reply_size);
7350 } else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
7351 if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
7352 reply_len = -1;
7353 } else {
7354 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
7355 reply_len = 16;
7356 }
7357
7358 if (reply_len < 0) {
7359 os_memcpy(reply, "FAIL\n", 5);
7360 reply_len = 5;
7361 }
7362
7363 *resp_len = reply_len;
7364 return reply;
7365 }
7366
7367
7368 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
7369 char *cmd)
7370 {
7371 struct wpa_interface iface;
7372 char *pos;
7373
7374 /*
7375 * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
7376 * TAB<bridge_ifname>
7377 */
7378 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
7379
7380 os_memset(&iface, 0, sizeof(iface));
7381
7382 do {
7383 iface.ifname = pos = cmd;
7384 pos = os_strchr(pos, '\t');
7385 if (pos)
7386 *pos++ = '\0';
7387 if (iface.ifname[0] == '\0')
7388 return -1;
7389 if (pos == NULL)
7390 break;
7391
7392 iface.confname = pos;
7393 pos = os_strchr(pos, '\t');
7394 if (pos)
7395 *pos++ = '\0';
7396 if (iface.confname[0] == '\0')
7397 iface.confname = NULL;
7398 if (pos == NULL)
7399 break;
7400
7401 iface.driver = pos;
7402 pos = os_strchr(pos, '\t');
7403 if (pos)
7404 *pos++ = '\0';
7405 if (iface.driver[0] == '\0')
7406 iface.driver = NULL;
7407 if (pos == NULL)
7408 break;
7409
7410 iface.ctrl_interface = pos;
7411 pos = os_strchr(pos, '\t');
7412 if (pos)
7413 *pos++ = '\0';
7414 if (iface.ctrl_interface[0] == '\0')
7415 iface.ctrl_interface = NULL;
7416 if (pos == NULL)
7417 break;
7418
7419 iface.driver_param = pos;
7420 pos = os_strchr(pos, '\t');
7421 if (pos)
7422 *pos++ = '\0';
7423 if (iface.driver_param[0] == '\0')
7424 iface.driver_param = NULL;
7425 if (pos == NULL)
7426 break;
7427
7428 iface.bridge_ifname = pos;
7429 pos = os_strchr(pos, '\t');
7430 if (pos)
7431 *pos++ = '\0';
7432 if (iface.bridge_ifname[0] == '\0')
7433 iface.bridge_ifname = NULL;
7434 if (pos == NULL)
7435 break;
7436 } while (0);
7437
7438 if (wpa_supplicant_get_iface(global, iface.ifname))
7439 return -1;
7440
7441 return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
7442 }
7443
7444
7445 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
7446 char *cmd)
7447 {
7448 struct wpa_supplicant *wpa_s;
7449
7450 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
7451
7452 wpa_s = wpa_supplicant_get_iface(global, cmd);
7453 if (wpa_s == NULL)
7454 return -1;
7455 return wpa_supplicant_remove_iface(global, wpa_s, 0);
7456 }
7457
7458
7459 static void wpa_free_iface_info(struct wpa_interface_info *iface)
7460 {
7461 struct wpa_interface_info *prev;
7462
7463 while (iface) {
7464 prev = iface;
7465 iface = iface->next;
7466
7467 os_free(prev->ifname);
7468 os_free(prev->desc);
7469 os_free(prev);
7470 }
7471 }
7472
7473
7474 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
7475 char *buf, int len)
7476 {
7477 int i, res;
7478 struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
7479 char *pos, *end;
7480
7481 for (i = 0; wpa_drivers[i]; i++) {
7482 struct wpa_driver_ops *drv = wpa_drivers[i];
7483 if (drv->get_interfaces == NULL)
7484 continue;
7485 tmp = drv->get_interfaces(global->drv_priv[i]);
7486 if (tmp == NULL)
7487 continue;
7488
7489 if (last == NULL)
7490 iface = last = tmp;
7491 else
7492 last->next = tmp;
7493 while (last->next)
7494 last = last->next;
7495 }
7496
7497 pos = buf;
7498 end = buf + len;
7499 for (tmp = iface; tmp; tmp = tmp->next) {
7500 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
7501 tmp->drv_name, tmp->ifname,
7502 tmp->desc ? tmp->desc : "");
7503 if (res < 0 || res >= end - pos) {
7504 *pos = '\0';
7505 break;
7506 }
7507 pos += res;
7508 }
7509
7510 wpa_free_iface_info(iface);
7511
7512 return pos - buf;
7513 }
7514
7515
7516 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
7517 char *buf, int len)
7518 {
7519 int res;
7520 char *pos, *end;
7521 struct wpa_supplicant *wpa_s;
7522
7523 wpa_s = global->ifaces;
7524 pos = buf;
7525 end = buf + len;
7526
7527 while (wpa_s) {
7528 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
7529 if (res < 0 || res >= end - pos) {
7530 *pos = '\0';
7531 break;
7532 }
7533 pos += res;
7534 wpa_s = wpa_s->next;
7535 }
7536 return pos - buf;
7537 }
7538
7539
7540 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
7541 const char *ifname,
7542 char *cmd, size_t *resp_len)
7543 {
7544 struct wpa_supplicant *wpa_s;
7545
7546 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
7547 if (os_strcmp(ifname, wpa_s->ifname) == 0)
7548 break;
7549 }
7550
7551 if (wpa_s == NULL) {
7552 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
7553 if (resp)
7554 *resp_len = os_strlen(resp);
7555 else
7556 *resp_len = 1;
7557 return resp;
7558 }
7559
7560 return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
7561 }
7562
7563
7564 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
7565 char *buf, size_t *resp_len)
7566 {
7567 #ifdef CONFIG_P2P
7568 static const char * cmd[] = {
7569 "LIST_NETWORKS",
7570 "P2P_FIND",
7571 "P2P_STOP_FIND",
7572 "P2P_LISTEN",
7573 "P2P_GROUP_ADD",
7574 "P2P_GET_PASSPHRASE",
7575 "P2P_SERVICE_UPDATE",
7576 "P2P_SERVICE_FLUSH",
7577 "P2P_FLUSH",
7578 "P2P_CANCEL",
7579 "P2P_PRESENCE_REQ",
7580 "P2P_EXT_LISTEN",
7581 NULL
7582 };
7583 static const char * prefix[] = {
7584 #ifdef ANDROID
7585 "DRIVER ",
7586 #endif /* ANDROID */
7587 "GET_NETWORK ",
7588 "REMOVE_NETWORK ",
7589 "P2P_FIND ",
7590 "P2P_CONNECT ",
7591 "P2P_LISTEN ",
7592 "P2P_GROUP_REMOVE ",
7593 "P2P_GROUP_ADD ",
7594 "P2P_PROV_DISC ",
7595 "P2P_SERV_DISC_REQ ",
7596 "P2P_SERV_DISC_CANCEL_REQ ",
7597 "P2P_SERV_DISC_RESP ",
7598 "P2P_SERV_DISC_EXTERNAL ",
7599 "P2P_SERVICE_ADD ",
7600 "P2P_SERVICE_DEL ",
7601 "P2P_REJECT ",
7602 "P2P_INVITE ",
7603 "P2P_PEER ",
7604 "P2P_SET ",
7605 "P2P_UNAUTHORIZE ",
7606 "P2P_PRESENCE_REQ ",
7607 "P2P_EXT_LISTEN ",
7608 "P2P_REMOVE_CLIENT ",
7609 "NFC_GET_HANDOVER_SEL ",
7610 "NFC_GET_HANDOVER_REQ ",
7611 "NFC_REPORT_HANDOVER ",
7612 NULL
7613 };
7614 int found = 0;
7615 int i;
7616
7617 if (global->p2p_init_wpa_s == NULL)
7618 return NULL;
7619
7620 for (i = 0; !found && cmd[i]; i++) {
7621 if (os_strcmp(buf, cmd[i]) == 0)
7622 found = 1;
7623 }
7624
7625 for (i = 0; !found && prefix[i]; i++) {
7626 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
7627 found = 1;
7628 }
7629
7630 if (found)
7631 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
7632 buf, resp_len);
7633 #endif /* CONFIG_P2P */
7634 return NULL;
7635 }
7636
7637
7638 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
7639 char *buf, size_t *resp_len)
7640 {
7641 #ifdef CONFIG_WIFI_DISPLAY
7642 if (global->p2p_init_wpa_s == NULL)
7643 return NULL;
7644 if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
7645 os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
7646 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
7647 buf, resp_len);
7648 #endif /* CONFIG_WIFI_DISPLAY */
7649 return NULL;
7650 }
7651
7652
7653 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
7654 char *buf, size_t *resp_len)
7655 {
7656 char *ret;
7657
7658 ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
7659 if (ret)
7660 return ret;
7661
7662 ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
7663 if (ret)
7664 return ret;
7665
7666 return NULL;
7667 }
7668
7669
7670 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
7671 {
7672 char *value;
7673
7674 value = os_strchr(cmd, ' ');
7675 if (value == NULL)
7676 return -1;
7677 *value++ = '\0';
7678
7679 wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
7680
7681 #ifdef CONFIG_WIFI_DISPLAY
7682 if (os_strcasecmp(cmd, "wifi_display") == 0) {
7683 wifi_display_enable(global, !!atoi(value));
7684 return 0;
7685 }
7686 #endif /* CONFIG_WIFI_DISPLAY */
7687
7688 /* Restore cmd to its original value to allow redirection */
7689 value[-1] = ' ';
7690
7691 return -1;
7692 }
7693
7694
7695 #ifndef CONFIG_NO_CONFIG_WRITE
7696 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
7697 {
7698 int ret = 0, saved = 0;
7699 struct wpa_supplicant *wpa_s;
7700
7701 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
7702 if (!wpa_s->conf->update_config) {
7703 wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
7704 continue;
7705 }
7706
7707 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
7708 wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
7709 ret = 1;
7710 } else {
7711 wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
7712 saved++;
7713 }
7714 }
7715
7716 if (!saved && !ret) {
7717 wpa_dbg(wpa_s, MSG_DEBUG,
7718 "CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
7719 ret = 1;
7720 }
7721
7722 return ret;
7723 }
7724 #endif /* CONFIG_NO_CONFIG_WRITE */
7725
7726
7727 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
7728 char *buf, size_t buflen)
7729 {
7730 char *pos, *end;
7731 int ret;
7732 struct wpa_supplicant *wpa_s;
7733
7734 pos = buf;
7735 end = buf + buflen;
7736
7737 #ifdef CONFIG_P2P
7738 if (global->p2p && !global->p2p_disabled) {
7739 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
7740 "\n"
7741 "p2p_state=%s\n",
7742 MAC2STR(global->p2p_dev_addr),
7743 p2p_get_state_txt(global->p2p));
7744 if (ret < 0 || ret >= end - pos)
7745 return pos - buf;
7746 pos += ret;
7747 } else if (global->p2p) {
7748 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
7749 if (ret < 0 || ret >= end - pos)
7750 return pos - buf;
7751 pos += ret;
7752 }
7753 #endif /* CONFIG_P2P */
7754
7755 #ifdef CONFIG_WIFI_DISPLAY
7756 ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
7757 !!global->wifi_display);
7758 if (ret < 0 || ret >= end - pos)
7759 return pos - buf;
7760 pos += ret;
7761 #endif /* CONFIG_WIFI_DISPLAY */
7762
7763 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
7764 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
7765 "address=" MACSTR "\n",
7766 wpa_s->ifname, MAC2STR(wpa_s->own_addr));
7767 if (ret < 0 || ret >= end - pos)
7768 return pos - buf;
7769 pos += ret;
7770 }
7771
7772 return pos - buf;
7773 }
7774
7775
7776 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
7777 char *buf, size_t *resp_len)
7778 {
7779 char *reply;
7780 const int reply_size = 2048;
7781 int reply_len;
7782 int level = MSG_DEBUG;
7783
7784 if (os_strncmp(buf, "IFNAME=", 7) == 0) {
7785 char *pos = os_strchr(buf + 7, ' ');
7786 if (pos) {
7787 *pos++ = '\0';
7788 return wpas_global_ctrl_iface_ifname(global,
7789 buf + 7, pos,
7790 resp_len);
7791 }
7792 }
7793
7794 reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
7795 if (reply)
7796 return reply;
7797
7798 if (os_strcmp(buf, "PING") == 0)
7799 level = MSG_EXCESSIVE;
7800 wpa_hexdump_ascii(level, "RX global ctrl_iface",
7801 (const u8 *) buf, os_strlen(buf));
7802
7803 reply = os_malloc(reply_size);
7804 if (reply == NULL) {
7805 *resp_len = 1;
7806 return NULL;
7807 }
7808
7809 os_memcpy(reply, "OK\n", 3);
7810 reply_len = 3;
7811
7812 if (os_strcmp(buf, "PING") == 0) {
7813 os_memcpy(reply, "PONG\n", 5);
7814 reply_len = 5;
7815 } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
7816 if (wpa_supplicant_global_iface_add(global, buf + 14))
7817 reply_len = -1;
7818 } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
7819 if (wpa_supplicant_global_iface_remove(global, buf + 17))
7820 reply_len = -1;
7821 } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
7822 reply_len = wpa_supplicant_global_iface_list(
7823 global, reply, reply_size);
7824 } else if (os_strcmp(buf, "INTERFACES") == 0) {
7825 reply_len = wpa_supplicant_global_iface_interfaces(
7826 global, reply, reply_size);
7827 } else if (os_strcmp(buf, "TERMINATE") == 0) {
7828 wpa_supplicant_terminate_proc(global);
7829 } else if (os_strcmp(buf, "SUSPEND") == 0) {
7830 wpas_notify_suspend(global);
7831 } else if (os_strcmp(buf, "RESUME") == 0) {
7832 wpas_notify_resume(global);
7833 } else if (os_strncmp(buf, "SET ", 4) == 0) {
7834 if (wpas_global_ctrl_iface_set(global, buf + 4)) {
7835 #ifdef CONFIG_P2P
7836 if (global->p2p_init_wpa_s) {
7837 os_free(reply);
7838 /* Check if P2P redirection would work for this
7839 * command. */
7840 return wpa_supplicant_ctrl_iface_process(
7841 global->p2p_init_wpa_s,
7842 buf, resp_len);
7843 }
7844 #endif /* CONFIG_P2P */
7845 reply_len = -1;
7846 }
7847 #ifndef CONFIG_NO_CONFIG_WRITE
7848 } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
7849 if (wpas_global_ctrl_iface_save_config(global))
7850 reply_len = -1;
7851 #endif /* CONFIG_NO_CONFIG_WRITE */
7852 } else if (os_strcmp(buf, "STATUS") == 0) {
7853 reply_len = wpas_global_ctrl_iface_status(global, reply,
7854 reply_size);
7855 #ifdef CONFIG_MODULE_TESTS
7856 } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
7857 int wpas_module_tests(void);
7858 if (wpas_module_tests() < 0)
7859 reply_len = -1;
7860 #endif /* CONFIG_MODULE_TESTS */
7861 } else if (os_strncmp(buf, "RELOG", 5) == 0) {
7862 if (wpa_debug_reopen_file() < 0)
7863 reply_len = -1;
7864 } else {
7865 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
7866 reply_len = 16;
7867 }
7868
7869 if (reply_len < 0) {
7870 os_memcpy(reply, "FAIL\n", 5);
7871 reply_len = 5;
7872 }
7873
7874 *resp_len = reply_len;
7875 return reply;
7876 }
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