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[thirdparty/hostap.git] / wpa_supplicant / ctrl_iface.c
1 /*
2 * WPA Supplicant / Control interface (shared code for all backends)
3 * Copyright (c) 2004-2012, 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
11 #include "utils/common.h"
12 #include "utils/eloop.h"
13 #include "common/version.h"
14 #include "common/ieee802_11_defs.h"
15 #include "common/ieee802_11_common.h"
16 #include "common/wpa_ctrl.h"
17 #include "eap_peer/eap.h"
18 #include "eapol_supp/eapol_supp_sm.h"
19 #include "rsn_supp/wpa.h"
20 #include "rsn_supp/preauth.h"
21 #include "rsn_supp/pmksa_cache.h"
22 #include "l2_packet/l2_packet.h"
23 #include "wps/wps.h"
24 #include "config.h"
25 #include "wpa_supplicant_i.h"
26 #include "driver_i.h"
27 #include "wps_supplicant.h"
28 #include "ibss_rsn.h"
29 #include "ap.h"
30 #include "p2p_supplicant.h"
31 #include "p2p/p2p.h"
32 #include "hs20_supplicant.h"
33 #include "wifi_display.h"
34 #include "notify.h"
35 #include "bss.h"
36 #include "scan.h"
37 #include "ctrl_iface.h"
38 #include "interworking.h"
39 #include "blacklist.h"
40 #include "autoscan.h"
41 #include "wnm_sta.h"
42
43 extern struct wpa_driver_ops *wpa_drivers[];
44
45 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
46 char *buf, int len);
47 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
48 char *buf, int len);
49
50
51 static int pno_start(struct wpa_supplicant *wpa_s)
52 {
53 int ret;
54 size_t i, num_ssid;
55 struct wpa_ssid *ssid;
56 struct wpa_driver_scan_params params;
57
58 if (wpa_s->pno)
59 return 0;
60
61 if (wpa_s->wpa_state == WPA_SCANNING) {
62 wpa_supplicant_cancel_sched_scan(wpa_s);
63 wpa_supplicant_cancel_scan(wpa_s);
64 }
65
66 os_memset(&params, 0, sizeof(params));
67
68 num_ssid = 0;
69 ssid = wpa_s->conf->ssid;
70 while (ssid) {
71 if (!wpas_network_disabled(wpa_s, ssid))
72 num_ssid++;
73 ssid = ssid->next;
74 }
75 if (num_ssid > WPAS_MAX_SCAN_SSIDS) {
76 wpa_printf(MSG_DEBUG, "PNO: Use only the first %u SSIDs from "
77 "%u", WPAS_MAX_SCAN_SSIDS, (unsigned int) num_ssid);
78 num_ssid = WPAS_MAX_SCAN_SSIDS;
79 }
80
81 if (num_ssid == 0) {
82 wpa_printf(MSG_DEBUG, "PNO: No configured SSIDs");
83 return -1;
84 }
85
86 params.filter_ssids = os_malloc(sizeof(struct wpa_driver_scan_filter) *
87 num_ssid);
88 if (params.filter_ssids == NULL)
89 return -1;
90 i = 0;
91 ssid = wpa_s->conf->ssid;
92 while (ssid) {
93 if (!wpas_network_disabled(wpa_s, ssid)) {
94 params.ssids[i].ssid = ssid->ssid;
95 params.ssids[i].ssid_len = ssid->ssid_len;
96 params.num_ssids++;
97 os_memcpy(params.filter_ssids[i].ssid, ssid->ssid,
98 ssid->ssid_len);
99 params.filter_ssids[i].ssid_len = ssid->ssid_len;
100 params.num_filter_ssids++;
101 i++;
102 if (i == num_ssid)
103 break;
104 }
105 ssid = ssid->next;
106 }
107
108 if (wpa_s->conf->filter_rssi)
109 params.filter_rssi = wpa_s->conf->filter_rssi;
110
111 ret = wpa_drv_sched_scan(wpa_s, &params, 10 * 1000);
112 os_free(params.filter_ssids);
113 if (ret == 0)
114 wpa_s->pno = 1;
115 return ret;
116 }
117
118
119 static int pno_stop(struct wpa_supplicant *wpa_s)
120 {
121 int ret = 0;
122
123 if (wpa_s->pno) {
124 wpa_s->pno = 0;
125 ret = wpa_drv_stop_sched_scan(wpa_s);
126 }
127
128 if (wpa_s->wpa_state == WPA_SCANNING)
129 wpa_supplicant_req_scan(wpa_s, 0, 0);
130
131 return ret;
132 }
133
134
135 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
136 {
137 char *pos;
138 u8 addr[ETH_ALEN], *filter = NULL, *n;
139 size_t count = 0;
140
141 pos = val;
142 while (pos) {
143 if (*pos == '\0')
144 break;
145 if (hwaddr_aton(pos, addr)) {
146 os_free(filter);
147 return -1;
148 }
149 n = os_realloc_array(filter, count + 1, ETH_ALEN);
150 if (n == NULL) {
151 os_free(filter);
152 return -1;
153 }
154 filter = n;
155 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
156 count++;
157
158 pos = os_strchr(pos, ' ');
159 if (pos)
160 pos++;
161 }
162
163 wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
164 os_free(wpa_s->bssid_filter);
165 wpa_s->bssid_filter = filter;
166 wpa_s->bssid_filter_count = count;
167
168 return 0;
169 }
170
171
172 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
173 {
174 char *pos;
175 u8 addr[ETH_ALEN], *bssid = NULL, *n;
176 struct wpa_ssid_value *ssid = NULL, *ns;
177 size_t count = 0, ssid_count = 0;
178 struct wpa_ssid *c;
179
180 /*
181 * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | “”
182 * SSID_SPEC ::= ssid <SSID_HEX>
183 * BSSID_SPEC ::= bssid <BSSID_HEX>
184 */
185
186 pos = val;
187 while (pos) {
188 if (*pos == '\0')
189 break;
190 if (os_strncmp(pos, "bssid ", 6) == 0) {
191 int res;
192 pos += 6;
193 res = hwaddr_aton2(pos, addr);
194 if (res < 0) {
195 os_free(ssid);
196 os_free(bssid);
197 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
198 "BSSID value '%s'", pos);
199 return -1;
200 }
201 pos += res;
202 n = os_realloc_array(bssid, count + 1, ETH_ALEN);
203 if (n == NULL) {
204 os_free(ssid);
205 os_free(bssid);
206 return -1;
207 }
208 bssid = n;
209 os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
210 count++;
211 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
212 char *end;
213 pos += 5;
214
215 end = pos;
216 while (*end) {
217 if (*end == '\0' || *end == ' ')
218 break;
219 end++;
220 }
221
222 ns = os_realloc_array(ssid, ssid_count + 1,
223 sizeof(struct wpa_ssid_value));
224 if (ns == NULL) {
225 os_free(ssid);
226 os_free(bssid);
227 return -1;
228 }
229 ssid = ns;
230
231 if ((end - pos) & 0x01 || end - pos > 2 * 32 ||
232 hexstr2bin(pos, ssid[ssid_count].ssid,
233 (end - pos) / 2) < 0) {
234 os_free(ssid);
235 os_free(bssid);
236 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
237 "SSID value '%s'", pos);
238 return -1;
239 }
240 ssid[ssid_count].ssid_len = (end - pos) / 2;
241 wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
242 ssid[ssid_count].ssid,
243 ssid[ssid_count].ssid_len);
244 ssid_count++;
245 pos = end;
246 } else {
247 wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
248 "'%s'", pos);
249 os_free(ssid);
250 os_free(bssid);
251 return -1;
252 }
253
254 pos = os_strchr(pos, ' ');
255 if (pos)
256 pos++;
257 }
258
259 wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
260 os_free(wpa_s->disallow_aps_bssid);
261 wpa_s->disallow_aps_bssid = bssid;
262 wpa_s->disallow_aps_bssid_count = count;
263
264 wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
265 os_free(wpa_s->disallow_aps_ssid);
266 wpa_s->disallow_aps_ssid = ssid;
267 wpa_s->disallow_aps_ssid_count = ssid_count;
268
269 if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
270 return 0;
271
272 c = wpa_s->current_ssid;
273 if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
274 return 0;
275
276 if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
277 !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
278 return 0;
279
280 wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
281 "because current AP was marked disallowed");
282
283 #ifdef CONFIG_SME
284 wpa_s->sme.prev_bssid_set = 0;
285 #endif /* CONFIG_SME */
286 wpa_s->reassociate = 1;
287 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
288 wpa_supplicant_req_scan(wpa_s, 0, 0);
289
290 return 0;
291 }
292
293
294 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
295 char *cmd)
296 {
297 char *value;
298 int ret = 0;
299
300 value = os_strchr(cmd, ' ');
301 if (value == NULL)
302 return -1;
303 *value++ = '\0';
304
305 wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
306 if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
307 eapol_sm_configure(wpa_s->eapol,
308 atoi(value), -1, -1, -1);
309 } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
310 eapol_sm_configure(wpa_s->eapol,
311 -1, atoi(value), -1, -1);
312 } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
313 eapol_sm_configure(wpa_s->eapol,
314 -1, -1, atoi(value), -1);
315 } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
316 eapol_sm_configure(wpa_s->eapol,
317 -1, -1, -1, atoi(value));
318 } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
319 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
320 atoi(value)))
321 ret = -1;
322 } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
323 0) {
324 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
325 atoi(value)))
326 ret = -1;
327 } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
328 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
329 ret = -1;
330 } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
331 wpa_s->wps_fragment_size = atoi(value);
332 #ifdef CONFIG_WPS_TESTING
333 } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
334 long int val;
335 val = strtol(value, NULL, 0);
336 if (val < 0 || val > 0xff) {
337 ret = -1;
338 wpa_printf(MSG_DEBUG, "WPS: Invalid "
339 "wps_version_number %ld", val);
340 } else {
341 wps_version_number = val;
342 wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
343 "version %u.%u",
344 (wps_version_number & 0xf0) >> 4,
345 wps_version_number & 0x0f);
346 }
347 } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
348 wps_testing_dummy_cred = atoi(value);
349 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
350 wps_testing_dummy_cred);
351 #endif /* CONFIG_WPS_TESTING */
352 } else if (os_strcasecmp(cmd, "ampdu") == 0) {
353 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
354 ret = -1;
355 #ifdef CONFIG_TDLS_TESTING
356 } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
357 extern unsigned int tdls_testing;
358 tdls_testing = strtol(value, NULL, 0);
359 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
360 #endif /* CONFIG_TDLS_TESTING */
361 #ifdef CONFIG_TDLS
362 } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
363 int disabled = atoi(value);
364 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
365 if (disabled) {
366 if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
367 ret = -1;
368 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
369 ret = -1;
370 wpa_tdls_enable(wpa_s->wpa, !disabled);
371 #endif /* CONFIG_TDLS */
372 } else if (os_strcasecmp(cmd, "pno") == 0) {
373 if (atoi(value))
374 ret = pno_start(wpa_s);
375 else
376 ret = pno_stop(wpa_s);
377 } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
378 int disabled = atoi(value);
379 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
380 ret = -1;
381 else if (disabled)
382 wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
383 } else if (os_strcasecmp(cmd, "uapsd") == 0) {
384 if (os_strcmp(value, "disable") == 0)
385 wpa_s->set_sta_uapsd = 0;
386 else {
387 int be, bk, vi, vo;
388 char *pos;
389 /* format: BE,BK,VI,VO;max SP Length */
390 be = atoi(value);
391 pos = os_strchr(value, ',');
392 if (pos == NULL)
393 return -1;
394 pos++;
395 bk = atoi(pos);
396 pos = os_strchr(pos, ',');
397 if (pos == NULL)
398 return -1;
399 pos++;
400 vi = atoi(pos);
401 pos = os_strchr(pos, ',');
402 if (pos == NULL)
403 return -1;
404 pos++;
405 vo = atoi(pos);
406 /* ignore max SP Length for now */
407
408 wpa_s->set_sta_uapsd = 1;
409 wpa_s->sta_uapsd = 0;
410 if (be)
411 wpa_s->sta_uapsd |= BIT(0);
412 if (bk)
413 wpa_s->sta_uapsd |= BIT(1);
414 if (vi)
415 wpa_s->sta_uapsd |= BIT(2);
416 if (vo)
417 wpa_s->sta_uapsd |= BIT(3);
418 }
419 } else if (os_strcasecmp(cmd, "ps") == 0) {
420 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
421 #ifdef CONFIG_WIFI_DISPLAY
422 } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
423 wifi_display_enable(wpa_s->global, !!atoi(value));
424 #endif /* CONFIG_WIFI_DISPLAY */
425 } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
426 ret = set_bssid_filter(wpa_s, value);
427 } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
428 ret = set_disallow_aps(wpa_s, value);
429 } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
430 wpa_s->no_keep_alive = !!atoi(value);
431 } else {
432 value[-1] = '=';
433 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
434 if (ret == 0)
435 wpa_supplicant_update_config(wpa_s);
436 }
437
438 return ret;
439 }
440
441
442 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
443 char *cmd, char *buf, size_t buflen)
444 {
445 int res = -1;
446
447 wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
448
449 if (os_strcmp(cmd, "version") == 0) {
450 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
451 } else if (os_strcasecmp(cmd, "country") == 0) {
452 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
453 res = os_snprintf(buf, buflen, "%c%c",
454 wpa_s->conf->country[0],
455 wpa_s->conf->country[1]);
456 #ifdef CONFIG_WIFI_DISPLAY
457 } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
458 res = os_snprintf(buf, buflen, "%d",
459 wpa_s->global->wifi_display);
460 if (res < 0 || (unsigned int) res >= buflen)
461 return -1;
462 return res;
463 #endif /* CONFIG_WIFI_DISPLAY */
464 }
465
466 if (res < 0 || (unsigned int) res >= buflen)
467 return -1;
468 return res;
469 }
470
471
472 #ifdef IEEE8021X_EAPOL
473 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
474 char *addr)
475 {
476 u8 bssid[ETH_ALEN];
477 struct wpa_ssid *ssid = wpa_s->current_ssid;
478
479 if (hwaddr_aton(addr, bssid)) {
480 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
481 "'%s'", addr);
482 return -1;
483 }
484
485 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
486 rsn_preauth_deinit(wpa_s->wpa);
487 if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
488 return -1;
489
490 return 0;
491 }
492 #endif /* IEEE8021X_EAPOL */
493
494
495 #ifdef CONFIG_PEERKEY
496 /* MLME-STKSTART.request(peer) */
497 static int wpa_supplicant_ctrl_iface_stkstart(
498 struct wpa_supplicant *wpa_s, char *addr)
499 {
500 u8 peer[ETH_ALEN];
501
502 if (hwaddr_aton(addr, peer)) {
503 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
504 "address '%s'", addr);
505 return -1;
506 }
507
508 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
509 MAC2STR(peer));
510
511 return wpa_sm_stkstart(wpa_s->wpa, peer);
512 }
513 #endif /* CONFIG_PEERKEY */
514
515
516 #ifdef CONFIG_TDLS
517
518 static int wpa_supplicant_ctrl_iface_tdls_discover(
519 struct wpa_supplicant *wpa_s, char *addr)
520 {
521 u8 peer[ETH_ALEN];
522 int ret;
523
524 if (hwaddr_aton(addr, peer)) {
525 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
526 "address '%s'", addr);
527 return -1;
528 }
529
530 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
531 MAC2STR(peer));
532
533 if (wpa_tdls_is_external_setup(wpa_s->wpa))
534 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
535 else
536 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
537
538 return ret;
539 }
540
541
542 static int wpa_supplicant_ctrl_iface_tdls_setup(
543 struct wpa_supplicant *wpa_s, char *addr)
544 {
545 u8 peer[ETH_ALEN];
546 int ret;
547
548 if (hwaddr_aton(addr, peer)) {
549 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
550 "address '%s'", addr);
551 return -1;
552 }
553
554 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
555 MAC2STR(peer));
556
557 wpa_tdls_remove(wpa_s->wpa, peer);
558
559 if (wpa_tdls_is_external_setup(wpa_s->wpa))
560 ret = wpa_tdls_start(wpa_s->wpa, peer);
561 else
562 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
563
564 return ret;
565 }
566
567
568 static int wpa_supplicant_ctrl_iface_tdls_teardown(
569 struct wpa_supplicant *wpa_s, char *addr)
570 {
571 u8 peer[ETH_ALEN];
572
573 if (hwaddr_aton(addr, peer)) {
574 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
575 "address '%s'", addr);
576 return -1;
577 }
578
579 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
580 MAC2STR(peer));
581
582 return wpa_tdls_teardown_link(wpa_s->wpa, peer,
583 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
584 }
585
586 #endif /* CONFIG_TDLS */
587
588
589 #ifdef CONFIG_IEEE80211R
590 static int wpa_supplicant_ctrl_iface_ft_ds(
591 struct wpa_supplicant *wpa_s, char *addr)
592 {
593 u8 target_ap[ETH_ALEN];
594 struct wpa_bss *bss;
595 const u8 *mdie;
596
597 if (hwaddr_aton(addr, target_ap)) {
598 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
599 "address '%s'", addr);
600 return -1;
601 }
602
603 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
604
605 bss = wpa_bss_get_bssid(wpa_s, target_ap);
606 if (bss)
607 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
608 else
609 mdie = NULL;
610
611 return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
612 }
613 #endif /* CONFIG_IEEE80211R */
614
615
616 #ifdef CONFIG_WPS
617 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
618 char *cmd)
619 {
620 u8 bssid[ETH_ALEN], *_bssid = bssid;
621 #ifdef CONFIG_P2P
622 u8 p2p_dev_addr[ETH_ALEN];
623 #endif /* CONFIG_P2P */
624 #ifdef CONFIG_AP
625 u8 *_p2p_dev_addr = NULL;
626 #endif /* CONFIG_AP */
627
628 if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
629 _bssid = NULL;
630 #ifdef CONFIG_P2P
631 } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
632 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
633 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
634 "P2P Device Address '%s'",
635 cmd + 13);
636 return -1;
637 }
638 _p2p_dev_addr = p2p_dev_addr;
639 #endif /* CONFIG_P2P */
640 } else if (hwaddr_aton(cmd, bssid)) {
641 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
642 cmd);
643 return -1;
644 }
645
646 #ifdef CONFIG_AP
647 if (wpa_s->ap_iface)
648 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
649 #endif /* CONFIG_AP */
650
651 return wpas_wps_start_pbc(wpa_s, _bssid, 0);
652 }
653
654
655 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
656 char *cmd, char *buf,
657 size_t buflen)
658 {
659 u8 bssid[ETH_ALEN], *_bssid = bssid;
660 char *pin;
661 int ret;
662
663 pin = os_strchr(cmd, ' ');
664 if (pin)
665 *pin++ = '\0';
666
667 if (os_strcmp(cmd, "any") == 0)
668 _bssid = NULL;
669 else if (os_strcmp(cmd, "get") == 0) {
670 ret = wps_generate_pin();
671 goto done;
672 } else if (hwaddr_aton(cmd, bssid)) {
673 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
674 cmd);
675 return -1;
676 }
677
678 #ifdef CONFIG_AP
679 if (wpa_s->ap_iface) {
680 int timeout = 0;
681 char *pos;
682
683 if (pin) {
684 pos = os_strchr(pin, ' ');
685 if (pos) {
686 *pos++ = '\0';
687 timeout = atoi(pos);
688 }
689 }
690
691 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
692 buf, buflen, timeout);
693 }
694 #endif /* CONFIG_AP */
695
696 if (pin) {
697 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
698 DEV_PW_DEFAULT);
699 if (ret < 0)
700 return -1;
701 ret = os_snprintf(buf, buflen, "%s", pin);
702 if (ret < 0 || (size_t) ret >= buflen)
703 return -1;
704 return ret;
705 }
706
707 ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
708 if (ret < 0)
709 return -1;
710
711 done:
712 /* Return the generated PIN */
713 ret = os_snprintf(buf, buflen, "%08d", ret);
714 if (ret < 0 || (size_t) ret >= buflen)
715 return -1;
716 return ret;
717 }
718
719
720 static int wpa_supplicant_ctrl_iface_wps_check_pin(
721 struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
722 {
723 char pin[9];
724 size_t len;
725 char *pos;
726 int ret;
727
728 wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
729 (u8 *) cmd, os_strlen(cmd));
730 for (pos = cmd, len = 0; *pos != '\0'; pos++) {
731 if (*pos < '0' || *pos > '9')
732 continue;
733 pin[len++] = *pos;
734 if (len == 9) {
735 wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
736 return -1;
737 }
738 }
739 if (len != 4 && len != 8) {
740 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
741 return -1;
742 }
743 pin[len] = '\0';
744
745 if (len == 8) {
746 unsigned int pin_val;
747 pin_val = atoi(pin);
748 if (!wps_pin_valid(pin_val)) {
749 wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
750 ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
751 if (ret < 0 || (size_t) ret >= buflen)
752 return -1;
753 return ret;
754 }
755 }
756
757 ret = os_snprintf(buf, buflen, "%s", pin);
758 if (ret < 0 || (size_t) ret >= buflen)
759 return -1;
760
761 return ret;
762 }
763
764
765 #ifdef CONFIG_WPS_NFC
766
767 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
768 char *cmd)
769 {
770 u8 bssid[ETH_ALEN], *_bssid = bssid;
771
772 if (cmd == NULL || cmd[0] == '\0')
773 _bssid = NULL;
774 else if (hwaddr_aton(cmd, bssid))
775 return -1;
776
777 return wpas_wps_start_nfc(wpa_s, _bssid);
778 }
779
780
781 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
782 struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
783 {
784 int ndef;
785 struct wpabuf *buf;
786 int res;
787
788 if (os_strcmp(cmd, "WPS") == 0)
789 ndef = 0;
790 else if (os_strcmp(cmd, "NDEF") == 0)
791 ndef = 1;
792 else
793 return -1;
794
795 buf = wpas_wps_nfc_token(wpa_s, ndef);
796 if (buf == NULL)
797 return -1;
798
799 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
800 wpabuf_len(buf));
801 reply[res++] = '\n';
802 reply[res] = '\0';
803
804 wpabuf_free(buf);
805
806 return res;
807 }
808
809
810 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
811 struct wpa_supplicant *wpa_s, char *pos)
812 {
813 size_t len;
814 struct wpabuf *buf;
815 int ret;
816
817 len = os_strlen(pos);
818 if (len & 0x01)
819 return -1;
820 len /= 2;
821
822 buf = wpabuf_alloc(len);
823 if (buf == NULL)
824 return -1;
825 if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
826 wpabuf_free(buf);
827 return -1;
828 }
829
830 ret = wpas_wps_nfc_tag_read(wpa_s, buf);
831 wpabuf_free(buf);
832
833 return ret;
834 }
835
836
837 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
838 char *reply, size_t max_len,
839 int cr)
840 {
841 struct wpabuf *buf;
842 int res;
843
844 buf = wpas_wps_nfc_handover_req(wpa_s, cr);
845 if (buf == NULL)
846 return -1;
847
848 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
849 wpabuf_len(buf));
850 reply[res++] = '\n';
851 reply[res] = '\0';
852
853 wpabuf_free(buf);
854
855 return res;
856 }
857
858
859 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
860 char *cmd, char *reply,
861 size_t max_len)
862 {
863 char *pos;
864
865 pos = os_strchr(cmd, ' ');
866 if (pos == NULL)
867 return -1;
868 *pos++ = '\0';
869
870 if (os_strcmp(cmd, "NDEF") != 0)
871 return -1;
872
873 if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
874 return wpas_ctrl_nfc_get_handover_req_wps(
875 wpa_s, reply, max_len, os_strcmp(pos, "WPS-CR") == 0);
876 }
877
878 return -1;
879 }
880
881
882 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
883 char *reply, size_t max_len)
884 {
885 struct wpabuf *buf;
886 int res;
887
888 buf = wpas_wps_nfc_handover_sel(wpa_s);
889 if (buf == NULL)
890 return -1;
891
892 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
893 wpabuf_len(buf));
894 reply[res++] = '\n';
895 reply[res] = '\0';
896
897 wpabuf_free(buf);
898
899 return res;
900 }
901
902
903 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
904 char *cmd, char *reply,
905 size_t max_len)
906 {
907 char *pos;
908
909 pos = os_strchr(cmd, ' ');
910 if (pos == NULL)
911 return -1;
912 *pos++ = '\0';
913
914 if (os_strcmp(cmd, "NDEF") != 0)
915 return -1;
916
917 if (os_strcmp(pos, "WPS") == 0) {
918 return wpas_ctrl_nfc_get_handover_sel_wps(wpa_s, reply,
919 max_len);
920 }
921
922 return -1;
923 }
924
925
926 static int wpas_ctrl_nfc_rx_handover_req(struct wpa_supplicant *wpa_s,
927 char *cmd, char *reply,
928 size_t max_len)
929 {
930 size_t len;
931 struct wpabuf *buf;
932 int ret;
933
934 len = os_strlen(cmd);
935 if (len & 0x01)
936 return -1;
937 len /= 2;
938
939 buf = wpabuf_alloc(len);
940 if (buf == NULL)
941 return -1;
942 if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
943 wpabuf_free(buf);
944 return -1;
945 }
946
947 ret = wpas_wps_nfc_rx_handover_req(wpa_s, buf);
948 wpabuf_free(buf);
949
950 return ret;
951 }
952
953
954 static int wpas_ctrl_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
955 char *cmd)
956 {
957 size_t len;
958 struct wpabuf *buf;
959 int ret;
960
961 len = os_strlen(cmd);
962 if (len & 0x01)
963 return -1;
964 len /= 2;
965
966 buf = wpabuf_alloc(len);
967 if (buf == NULL)
968 return -1;
969 if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
970 wpabuf_free(buf);
971 return -1;
972 }
973
974 ret = wpas_wps_nfc_rx_handover_sel(wpa_s, buf);
975 wpabuf_free(buf);
976
977 return ret;
978 }
979
980
981 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
982 char *cmd)
983 {
984 size_t len;
985 struct wpabuf *req, *sel;
986 int ret;
987 char *pos, *role, *type, *pos2;
988
989 role = cmd;
990 pos = os_strchr(role, ' ');
991 if (pos == NULL)
992 return -1;
993 *pos++ = '\0';
994
995 type = pos;
996 pos = os_strchr(type, ' ');
997 if (pos == NULL)
998 return -1;
999 *pos++ = '\0';
1000
1001 pos2 = os_strchr(pos, ' ');
1002 if (pos2 == NULL)
1003 return -1;
1004 *pos2++ = '\0';
1005
1006 len = os_strlen(pos);
1007 if (len & 0x01)
1008 return -1;
1009 len /= 2;
1010
1011 req = wpabuf_alloc(len);
1012 if (req == NULL)
1013 return -1;
1014 if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1015 wpabuf_free(req);
1016 return -1;
1017 }
1018
1019 len = os_strlen(pos2);
1020 if (len & 0x01) {
1021 wpabuf_free(req);
1022 return -1;
1023 }
1024 len /= 2;
1025
1026 sel = wpabuf_alloc(len);
1027 if (sel == NULL) {
1028 wpabuf_free(req);
1029 return -1;
1030 }
1031 if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1032 wpabuf_free(req);
1033 wpabuf_free(sel);
1034 return -1;
1035 }
1036
1037 if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1038 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1039 } else {
1040 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1041 "reported: role=%s type=%s", role, type);
1042 ret = -1;
1043 }
1044 wpabuf_free(req);
1045 wpabuf_free(sel);
1046
1047 return ret;
1048 }
1049
1050 #endif /* CONFIG_WPS_NFC */
1051
1052
1053 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1054 char *cmd)
1055 {
1056 u8 bssid[ETH_ALEN];
1057 char *pin;
1058 char *new_ssid;
1059 char *new_auth;
1060 char *new_encr;
1061 char *new_key;
1062 struct wps_new_ap_settings ap;
1063
1064 pin = os_strchr(cmd, ' ');
1065 if (pin == NULL)
1066 return -1;
1067 *pin++ = '\0';
1068
1069 if (hwaddr_aton(cmd, bssid)) {
1070 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1071 cmd);
1072 return -1;
1073 }
1074
1075 new_ssid = os_strchr(pin, ' ');
1076 if (new_ssid == NULL)
1077 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1078 *new_ssid++ = '\0';
1079
1080 new_auth = os_strchr(new_ssid, ' ');
1081 if (new_auth == NULL)
1082 return -1;
1083 *new_auth++ = '\0';
1084
1085 new_encr = os_strchr(new_auth, ' ');
1086 if (new_encr == NULL)
1087 return -1;
1088 *new_encr++ = '\0';
1089
1090 new_key = os_strchr(new_encr, ' ');
1091 if (new_key == NULL)
1092 return -1;
1093 *new_key++ = '\0';
1094
1095 os_memset(&ap, 0, sizeof(ap));
1096 ap.ssid_hex = new_ssid;
1097 ap.auth = new_auth;
1098 ap.encr = new_encr;
1099 ap.key_hex = new_key;
1100 return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1101 }
1102
1103
1104 #ifdef CONFIG_AP
1105 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1106 char *cmd, char *buf,
1107 size_t buflen)
1108 {
1109 int timeout = 300;
1110 char *pos;
1111 const char *pin_txt;
1112
1113 if (!wpa_s->ap_iface)
1114 return -1;
1115
1116 pos = os_strchr(cmd, ' ');
1117 if (pos)
1118 *pos++ = '\0';
1119
1120 if (os_strcmp(cmd, "disable") == 0) {
1121 wpas_wps_ap_pin_disable(wpa_s);
1122 return os_snprintf(buf, buflen, "OK\n");
1123 }
1124
1125 if (os_strcmp(cmd, "random") == 0) {
1126 if (pos)
1127 timeout = atoi(pos);
1128 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1129 if (pin_txt == NULL)
1130 return -1;
1131 return os_snprintf(buf, buflen, "%s", pin_txt);
1132 }
1133
1134 if (os_strcmp(cmd, "get") == 0) {
1135 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1136 if (pin_txt == NULL)
1137 return -1;
1138 return os_snprintf(buf, buflen, "%s", pin_txt);
1139 }
1140
1141 if (os_strcmp(cmd, "set") == 0) {
1142 char *pin;
1143 if (pos == NULL)
1144 return -1;
1145 pin = pos;
1146 pos = os_strchr(pos, ' ');
1147 if (pos) {
1148 *pos++ = '\0';
1149 timeout = atoi(pos);
1150 }
1151 if (os_strlen(pin) > buflen)
1152 return -1;
1153 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1154 return -1;
1155 return os_snprintf(buf, buflen, "%s", pin);
1156 }
1157
1158 return -1;
1159 }
1160 #endif /* CONFIG_AP */
1161
1162
1163 #ifdef CONFIG_WPS_ER
1164 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1165 char *cmd)
1166 {
1167 char *uuid = cmd, *pin, *pos;
1168 u8 addr_buf[ETH_ALEN], *addr = NULL;
1169 pin = os_strchr(uuid, ' ');
1170 if (pin == NULL)
1171 return -1;
1172 *pin++ = '\0';
1173 pos = os_strchr(pin, ' ');
1174 if (pos) {
1175 *pos++ = '\0';
1176 if (hwaddr_aton(pos, addr_buf) == 0)
1177 addr = addr_buf;
1178 }
1179 return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1180 }
1181
1182
1183 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1184 char *cmd)
1185 {
1186 char *uuid = cmd, *pin;
1187 pin = os_strchr(uuid, ' ');
1188 if (pin == NULL)
1189 return -1;
1190 *pin++ = '\0';
1191 return wpas_wps_er_learn(wpa_s, uuid, pin);
1192 }
1193
1194
1195 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1196 struct wpa_supplicant *wpa_s, char *cmd)
1197 {
1198 char *uuid = cmd, *id;
1199 id = os_strchr(uuid, ' ');
1200 if (id == NULL)
1201 return -1;
1202 *id++ = '\0';
1203 return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1204 }
1205
1206
1207 static int wpa_supplicant_ctrl_iface_wps_er_config(
1208 struct wpa_supplicant *wpa_s, char *cmd)
1209 {
1210 char *pin;
1211 char *new_ssid;
1212 char *new_auth;
1213 char *new_encr;
1214 char *new_key;
1215 struct wps_new_ap_settings ap;
1216
1217 pin = os_strchr(cmd, ' ');
1218 if (pin == NULL)
1219 return -1;
1220 *pin++ = '\0';
1221
1222 new_ssid = os_strchr(pin, ' ');
1223 if (new_ssid == NULL)
1224 return -1;
1225 *new_ssid++ = '\0';
1226
1227 new_auth = os_strchr(new_ssid, ' ');
1228 if (new_auth == NULL)
1229 return -1;
1230 *new_auth++ = '\0';
1231
1232 new_encr = os_strchr(new_auth, ' ');
1233 if (new_encr == NULL)
1234 return -1;
1235 *new_encr++ = '\0';
1236
1237 new_key = os_strchr(new_encr, ' ');
1238 if (new_key == NULL)
1239 return -1;
1240 *new_key++ = '\0';
1241
1242 os_memset(&ap, 0, sizeof(ap));
1243 ap.ssid_hex = new_ssid;
1244 ap.auth = new_auth;
1245 ap.encr = new_encr;
1246 ap.key_hex = new_key;
1247 return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1248 }
1249
1250
1251 #ifdef CONFIG_WPS_NFC
1252 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1253 struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1254 {
1255 int ndef;
1256 struct wpabuf *buf;
1257 int res;
1258 char *uuid;
1259
1260 uuid = os_strchr(cmd, ' ');
1261 if (uuid == NULL)
1262 return -1;
1263 *uuid++ = '\0';
1264
1265 if (os_strcmp(cmd, "WPS") == 0)
1266 ndef = 0;
1267 else if (os_strcmp(cmd, "NDEF") == 0)
1268 ndef = 1;
1269 else
1270 return -1;
1271
1272 buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1273 if (buf == NULL)
1274 return -1;
1275
1276 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1277 wpabuf_len(buf));
1278 reply[res++] = '\n';
1279 reply[res] = '\0';
1280
1281 wpabuf_free(buf);
1282
1283 return res;
1284 }
1285 #endif /* CONFIG_WPS_NFC */
1286 #endif /* CONFIG_WPS_ER */
1287
1288 #endif /* CONFIG_WPS */
1289
1290
1291 #ifdef CONFIG_IBSS_RSN
1292 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1293 struct wpa_supplicant *wpa_s, char *addr)
1294 {
1295 u8 peer[ETH_ALEN];
1296
1297 if (hwaddr_aton(addr, peer)) {
1298 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1299 "address '%s'", addr);
1300 return -1;
1301 }
1302
1303 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1304 MAC2STR(peer));
1305
1306 return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1307 }
1308 #endif /* CONFIG_IBSS_RSN */
1309
1310
1311 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1312 char *rsp)
1313 {
1314 #ifdef IEEE8021X_EAPOL
1315 char *pos, *id_pos;
1316 int id;
1317 struct wpa_ssid *ssid;
1318
1319 pos = os_strchr(rsp, '-');
1320 if (pos == NULL)
1321 return -1;
1322 *pos++ = '\0';
1323 id_pos = pos;
1324 pos = os_strchr(pos, ':');
1325 if (pos == NULL)
1326 return -1;
1327 *pos++ = '\0';
1328 id = atoi(id_pos);
1329 wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1330 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1331 (u8 *) pos, os_strlen(pos));
1332
1333 ssid = wpa_config_get_network(wpa_s->conf, id);
1334 if (ssid == NULL) {
1335 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1336 "to update", id);
1337 return -1;
1338 }
1339
1340 return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1341 pos);
1342 #else /* IEEE8021X_EAPOL */
1343 wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1344 return -1;
1345 #endif /* IEEE8021X_EAPOL */
1346 }
1347
1348
1349 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1350 const char *params,
1351 char *buf, size_t buflen)
1352 {
1353 char *pos, *end, tmp[30];
1354 int res, verbose, wps, ret;
1355
1356 verbose = os_strcmp(params, "-VERBOSE") == 0;
1357 wps = os_strcmp(params, "-WPS") == 0;
1358 pos = buf;
1359 end = buf + buflen;
1360 if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1361 struct wpa_ssid *ssid = wpa_s->current_ssid;
1362 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1363 MAC2STR(wpa_s->bssid));
1364 if (ret < 0 || ret >= end - pos)
1365 return pos - buf;
1366 pos += ret;
1367 if (ssid) {
1368 u8 *_ssid = ssid->ssid;
1369 size_t ssid_len = ssid->ssid_len;
1370 u8 ssid_buf[MAX_SSID_LEN];
1371 if (ssid_len == 0) {
1372 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1373 if (_res < 0)
1374 ssid_len = 0;
1375 else
1376 ssid_len = _res;
1377 _ssid = ssid_buf;
1378 }
1379 ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1380 wpa_ssid_txt(_ssid, ssid_len),
1381 ssid->id);
1382 if (ret < 0 || ret >= end - pos)
1383 return pos - buf;
1384 pos += ret;
1385
1386 if (wps && ssid->passphrase &&
1387 wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1388 (ssid->mode == WPAS_MODE_AP ||
1389 ssid->mode == WPAS_MODE_P2P_GO)) {
1390 ret = os_snprintf(pos, end - pos,
1391 "passphrase=%s\n",
1392 ssid->passphrase);
1393 if (ret < 0 || ret >= end - pos)
1394 return pos - buf;
1395 pos += ret;
1396 }
1397 if (ssid->id_str) {
1398 ret = os_snprintf(pos, end - pos,
1399 "id_str=%s\n",
1400 ssid->id_str);
1401 if (ret < 0 || ret >= end - pos)
1402 return pos - buf;
1403 pos += ret;
1404 }
1405
1406 switch (ssid->mode) {
1407 case WPAS_MODE_INFRA:
1408 ret = os_snprintf(pos, end - pos,
1409 "mode=station\n");
1410 break;
1411 case WPAS_MODE_IBSS:
1412 ret = os_snprintf(pos, end - pos,
1413 "mode=IBSS\n");
1414 break;
1415 case WPAS_MODE_AP:
1416 ret = os_snprintf(pos, end - pos,
1417 "mode=AP\n");
1418 break;
1419 case WPAS_MODE_P2P_GO:
1420 ret = os_snprintf(pos, end - pos,
1421 "mode=P2P GO\n");
1422 break;
1423 case WPAS_MODE_P2P_GROUP_FORMATION:
1424 ret = os_snprintf(pos, end - pos,
1425 "mode=P2P GO - group "
1426 "formation\n");
1427 break;
1428 default:
1429 ret = 0;
1430 break;
1431 }
1432 if (ret < 0 || ret >= end - pos)
1433 return pos - buf;
1434 pos += ret;
1435 }
1436
1437 #ifdef CONFIG_AP
1438 if (wpa_s->ap_iface) {
1439 pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1440 end - pos,
1441 verbose);
1442 } else
1443 #endif /* CONFIG_AP */
1444 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1445 }
1446 #ifdef CONFIG_SAE
1447 if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1448 wpa_s->sme.sae.state == SAE_ACCEPTED && !wpa_s->ap_iface) {
1449 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1450 wpa_s->sme.sae.group);
1451 if (ret < 0 || ret >= end - pos)
1452 return pos - buf;
1453 pos += ret;
1454 }
1455 #endif /* CONFIG_SAE */
1456 ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1457 wpa_supplicant_state_txt(wpa_s->wpa_state));
1458 if (ret < 0 || ret >= end - pos)
1459 return pos - buf;
1460 pos += ret;
1461
1462 if (wpa_s->l2 &&
1463 l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1464 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1465 if (ret < 0 || ret >= end - pos)
1466 return pos - buf;
1467 pos += ret;
1468 }
1469
1470 #ifdef CONFIG_P2P
1471 if (wpa_s->global->p2p) {
1472 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1473 "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1474 if (ret < 0 || ret >= end - pos)
1475 return pos - buf;
1476 pos += ret;
1477 }
1478 #endif /* CONFIG_P2P */
1479
1480 ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1481 MAC2STR(wpa_s->own_addr));
1482 if (ret < 0 || ret >= end - pos)
1483 return pos - buf;
1484 pos += ret;
1485
1486 #ifdef CONFIG_HS20
1487 if (wpa_s->current_bss &&
1488 wpa_bss_get_vendor_ie(wpa_s->current_bss, HS20_IE_VENDOR_TYPE) &&
1489 wpa_s->wpa_proto == WPA_PROTO_RSN &&
1490 wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1491 ret = os_snprintf(pos, end - pos, "hs20=1\n");
1492 if (ret < 0 || ret >= end - pos)
1493 return pos - buf;
1494 pos += ret;
1495 }
1496
1497 if (wpa_s->current_ssid) {
1498 struct wpa_cred *cred;
1499 char *type;
1500
1501 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1502 if (wpa_s->current_ssid->parent_cred != cred)
1503 continue;
1504 if (!cred->domain)
1505 continue;
1506
1507 ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1508 cred->domain);
1509 if (ret < 0 || ret >= end - pos)
1510 return pos - buf;
1511 pos += ret;
1512
1513 if (wpa_s->current_bss == NULL ||
1514 wpa_s->current_bss->anqp == NULL)
1515 res = -1;
1516 else
1517 res = interworking_home_sp_cred(
1518 wpa_s, cred,
1519 wpa_s->current_bss->anqp->domain_name);
1520 if (res > 0)
1521 type = "home";
1522 else if (res == 0)
1523 type = "roaming";
1524 else
1525 type = "unknown";
1526
1527 ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1528 if (ret < 0 || ret >= end - pos)
1529 return pos - buf;
1530 pos += ret;
1531
1532 break;
1533 }
1534 }
1535 #endif /* CONFIG_HS20 */
1536
1537 if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1538 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1539 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1540 verbose);
1541 if (res >= 0)
1542 pos += res;
1543 }
1544
1545 res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1546 if (res >= 0)
1547 pos += res;
1548
1549 return pos - buf;
1550 }
1551
1552
1553 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1554 char *cmd)
1555 {
1556 char *pos;
1557 int id;
1558 struct wpa_ssid *ssid;
1559 u8 bssid[ETH_ALEN];
1560
1561 /* cmd: "<network id> <BSSID>" */
1562 pos = os_strchr(cmd, ' ');
1563 if (pos == NULL)
1564 return -1;
1565 *pos++ = '\0';
1566 id = atoi(cmd);
1567 wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1568 if (hwaddr_aton(pos, bssid)) {
1569 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1570 return -1;
1571 }
1572
1573 ssid = wpa_config_get_network(wpa_s->conf, id);
1574 if (ssid == NULL) {
1575 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1576 "to update", id);
1577 return -1;
1578 }
1579
1580 os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1581 ssid->bssid_set = !is_zero_ether_addr(bssid);
1582
1583 return 0;
1584 }
1585
1586
1587 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1588 char *cmd, char *buf,
1589 size_t buflen)
1590 {
1591 u8 bssid[ETH_ALEN];
1592 struct wpa_blacklist *e;
1593 char *pos, *end;
1594 int ret;
1595
1596 /* cmd: "BLACKLIST [<BSSID>]" */
1597 if (*cmd == '\0') {
1598 pos = buf;
1599 end = buf + buflen;
1600 e = wpa_s->blacklist;
1601 while (e) {
1602 ret = os_snprintf(pos, end - pos, MACSTR "\n",
1603 MAC2STR(e->bssid));
1604 if (ret < 0 || ret >= end - pos)
1605 return pos - buf;
1606 pos += ret;
1607 e = e->next;
1608 }
1609 return pos - buf;
1610 }
1611
1612 cmd++;
1613 if (os_strncmp(cmd, "clear", 5) == 0) {
1614 wpa_blacklist_clear(wpa_s);
1615 os_memcpy(buf, "OK\n", 3);
1616 return 3;
1617 }
1618
1619 wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1620 if (hwaddr_aton(cmd, bssid)) {
1621 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1622 return -1;
1623 }
1624
1625 /*
1626 * Add the BSSID twice, so its count will be 2, causing it to be
1627 * skipped when processing scan results.
1628 */
1629 ret = wpa_blacklist_add(wpa_s, bssid);
1630 if (ret != 0)
1631 return -1;
1632 ret = wpa_blacklist_add(wpa_s, bssid);
1633 if (ret != 0)
1634 return -1;
1635 os_memcpy(buf, "OK\n", 3);
1636 return 3;
1637 }
1638
1639
1640 extern int wpa_debug_level;
1641 extern int wpa_debug_timestamp;
1642
1643 static const char * debug_level_str(int level)
1644 {
1645 switch (level) {
1646 case MSG_EXCESSIVE:
1647 return "EXCESSIVE";
1648 case MSG_MSGDUMP:
1649 return "MSGDUMP";
1650 case MSG_DEBUG:
1651 return "DEBUG";
1652 case MSG_INFO:
1653 return "INFO";
1654 case MSG_WARNING:
1655 return "WARNING";
1656 case MSG_ERROR:
1657 return "ERROR";
1658 default:
1659 return "?";
1660 }
1661 }
1662
1663
1664 static int str_to_debug_level(const char *s)
1665 {
1666 if (os_strcasecmp(s, "EXCESSIVE") == 0)
1667 return MSG_EXCESSIVE;
1668 if (os_strcasecmp(s, "MSGDUMP") == 0)
1669 return MSG_MSGDUMP;
1670 if (os_strcasecmp(s, "DEBUG") == 0)
1671 return MSG_DEBUG;
1672 if (os_strcasecmp(s, "INFO") == 0)
1673 return MSG_INFO;
1674 if (os_strcasecmp(s, "WARNING") == 0)
1675 return MSG_WARNING;
1676 if (os_strcasecmp(s, "ERROR") == 0)
1677 return MSG_ERROR;
1678 return -1;
1679 }
1680
1681
1682 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1683 char *cmd, char *buf,
1684 size_t buflen)
1685 {
1686 char *pos, *end, *stamp;
1687 int ret;
1688
1689 if (cmd == NULL) {
1690 return -1;
1691 }
1692
1693 /* cmd: "LOG_LEVEL [<level>]" */
1694 if (*cmd == '\0') {
1695 pos = buf;
1696 end = buf + buflen;
1697 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1698 "Timestamp: %d\n",
1699 debug_level_str(wpa_debug_level),
1700 wpa_debug_timestamp);
1701 if (ret < 0 || ret >= end - pos)
1702 ret = 0;
1703
1704 return ret;
1705 }
1706
1707 while (*cmd == ' ')
1708 cmd++;
1709
1710 stamp = os_strchr(cmd, ' ');
1711 if (stamp) {
1712 *stamp++ = '\0';
1713 while (*stamp == ' ') {
1714 stamp++;
1715 }
1716 }
1717
1718 if (cmd && os_strlen(cmd)) {
1719 int level = str_to_debug_level(cmd);
1720 if (level < 0)
1721 return -1;
1722 wpa_debug_level = level;
1723 }
1724
1725 if (stamp && os_strlen(stamp))
1726 wpa_debug_timestamp = atoi(stamp);
1727
1728 os_memcpy(buf, "OK\n", 3);
1729 return 3;
1730 }
1731
1732
1733 static int wpa_supplicant_ctrl_iface_list_networks(
1734 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1735 {
1736 char *pos, *end;
1737 struct wpa_ssid *ssid;
1738 int ret;
1739
1740 pos = buf;
1741 end = buf + buflen;
1742 ret = os_snprintf(pos, end - pos,
1743 "network id / ssid / bssid / flags\n");
1744 if (ret < 0 || ret >= end - pos)
1745 return pos - buf;
1746 pos += ret;
1747
1748 ssid = wpa_s->conf->ssid;
1749 while (ssid) {
1750 ret = os_snprintf(pos, end - pos, "%d\t%s",
1751 ssid->id,
1752 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1753 if (ret < 0 || ret >= end - pos)
1754 return pos - buf;
1755 pos += ret;
1756 if (ssid->bssid_set) {
1757 ret = os_snprintf(pos, end - pos, "\t" MACSTR,
1758 MAC2STR(ssid->bssid));
1759 } else {
1760 ret = os_snprintf(pos, end - pos, "\tany");
1761 }
1762 if (ret < 0 || ret >= end - pos)
1763 return pos - buf;
1764 pos += ret;
1765 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
1766 ssid == wpa_s->current_ssid ?
1767 "[CURRENT]" : "",
1768 ssid->disabled ? "[DISABLED]" : "",
1769 ssid->disabled_until.sec ?
1770 "[TEMP-DISABLED]" : "",
1771 ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
1772 "");
1773 if (ret < 0 || ret >= end - pos)
1774 return pos - buf;
1775 pos += ret;
1776 ret = os_snprintf(pos, end - pos, "\n");
1777 if (ret < 0 || ret >= end - pos)
1778 return pos - buf;
1779 pos += ret;
1780
1781 ssid = ssid->next;
1782 }
1783
1784 return pos - buf;
1785 }
1786
1787
1788 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
1789 {
1790 int ret;
1791 ret = os_snprintf(pos, end - pos, "-");
1792 if (ret < 0 || ret >= end - pos)
1793 return pos;
1794 pos += ret;
1795 ret = wpa_write_ciphers(pos, end, cipher, "+");
1796 if (ret < 0)
1797 return pos;
1798 pos += ret;
1799 return pos;
1800 }
1801
1802
1803 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
1804 const u8 *ie, size_t ie_len)
1805 {
1806 struct wpa_ie_data data;
1807 int first, ret;
1808
1809 ret = os_snprintf(pos, end - pos, "[%s-", proto);
1810 if (ret < 0 || ret >= end - pos)
1811 return pos;
1812 pos += ret;
1813
1814 if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
1815 ret = os_snprintf(pos, end - pos, "?]");
1816 if (ret < 0 || ret >= end - pos)
1817 return pos;
1818 pos += ret;
1819 return pos;
1820 }
1821
1822 first = 1;
1823 if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
1824 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
1825 if (ret < 0 || ret >= end - pos)
1826 return pos;
1827 pos += ret;
1828 first = 0;
1829 }
1830 if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
1831 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
1832 if (ret < 0 || ret >= end - pos)
1833 return pos;
1834 pos += ret;
1835 first = 0;
1836 }
1837 if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
1838 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
1839 if (ret < 0 || ret >= end - pos)
1840 return pos;
1841 pos += ret;
1842 first = 0;
1843 }
1844 #ifdef CONFIG_IEEE80211R
1845 if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
1846 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
1847 first ? "" : "+");
1848 if (ret < 0 || ret >= end - pos)
1849 return pos;
1850 pos += ret;
1851 first = 0;
1852 }
1853 if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
1854 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
1855 first ? "" : "+");
1856 if (ret < 0 || ret >= end - pos)
1857 return pos;
1858 pos += ret;
1859 first = 0;
1860 }
1861 #endif /* CONFIG_IEEE80211R */
1862 #ifdef CONFIG_IEEE80211W
1863 if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
1864 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
1865 first ? "" : "+");
1866 if (ret < 0 || ret >= end - pos)
1867 return pos;
1868 pos += ret;
1869 first = 0;
1870 }
1871 if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
1872 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
1873 first ? "" : "+");
1874 if (ret < 0 || ret >= end - pos)
1875 return pos;
1876 pos += ret;
1877 first = 0;
1878 }
1879 #endif /* CONFIG_IEEE80211W */
1880
1881 pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
1882
1883 if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
1884 ret = os_snprintf(pos, end - pos, "-preauth");
1885 if (ret < 0 || ret >= end - pos)
1886 return pos;
1887 pos += ret;
1888 }
1889
1890 ret = os_snprintf(pos, end - pos, "]");
1891 if (ret < 0 || ret >= end - pos)
1892 return pos;
1893 pos += ret;
1894
1895 return pos;
1896 }
1897
1898
1899 #ifdef CONFIG_WPS
1900 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
1901 char *pos, char *end,
1902 struct wpabuf *wps_ie)
1903 {
1904 int ret;
1905 const char *txt;
1906
1907 if (wps_ie == NULL)
1908 return pos;
1909 if (wps_is_selected_pbc_registrar(wps_ie))
1910 txt = "[WPS-PBC]";
1911 #ifdef CONFIG_WPS2
1912 else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
1913 txt = "[WPS-AUTH]";
1914 #endif /* CONFIG_WPS2 */
1915 else if (wps_is_selected_pin_registrar(wps_ie))
1916 txt = "[WPS-PIN]";
1917 else
1918 txt = "[WPS]";
1919
1920 ret = os_snprintf(pos, end - pos, "%s", txt);
1921 if (ret >= 0 && ret < end - pos)
1922 pos += ret;
1923 wpabuf_free(wps_ie);
1924 return pos;
1925 }
1926 #endif /* CONFIG_WPS */
1927
1928
1929 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
1930 char *pos, char *end,
1931 const struct wpa_bss *bss)
1932 {
1933 #ifdef CONFIG_WPS
1934 struct wpabuf *wps_ie;
1935 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1936 return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
1937 #else /* CONFIG_WPS */
1938 return pos;
1939 #endif /* CONFIG_WPS */
1940 }
1941
1942
1943 /* Format one result on one text line into a buffer. */
1944 static int wpa_supplicant_ctrl_iface_scan_result(
1945 struct wpa_supplicant *wpa_s,
1946 const struct wpa_bss *bss, char *buf, size_t buflen)
1947 {
1948 char *pos, *end;
1949 int ret;
1950 const u8 *ie, *ie2, *p2p;
1951
1952 p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
1953 if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
1954 os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
1955 0)
1956 return 0; /* Do not show P2P listen discovery results here */
1957
1958 pos = buf;
1959 end = buf + buflen;
1960
1961 ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
1962 MAC2STR(bss->bssid), bss->freq, bss->level);
1963 if (ret < 0 || ret >= end - pos)
1964 return -1;
1965 pos += ret;
1966 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
1967 if (ie)
1968 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
1969 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
1970 if (ie2)
1971 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
1972 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
1973 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
1974 ret = os_snprintf(pos, end - pos, "[WEP]");
1975 if (ret < 0 || ret >= end - pos)
1976 return -1;
1977 pos += ret;
1978 }
1979 if (bss->caps & IEEE80211_CAP_IBSS) {
1980 ret = os_snprintf(pos, end - pos, "[IBSS]");
1981 if (ret < 0 || ret >= end - pos)
1982 return -1;
1983 pos += ret;
1984 }
1985 if (bss->caps & IEEE80211_CAP_ESS) {
1986 ret = os_snprintf(pos, end - pos, "[ESS]");
1987 if (ret < 0 || ret >= end - pos)
1988 return -1;
1989 pos += ret;
1990 }
1991 if (p2p) {
1992 ret = os_snprintf(pos, end - pos, "[P2P]");
1993 if (ret < 0 || ret >= end - pos)
1994 return -1;
1995 pos += ret;
1996 }
1997 #ifdef CONFIG_HS20
1998 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
1999 ret = os_snprintf(pos, end - pos, "[HS20]");
2000 if (ret < 0 || ret >= end - pos)
2001 return -1;
2002 pos += ret;
2003 }
2004 #endif /* CONFIG_HS20 */
2005
2006 ret = os_snprintf(pos, end - pos, "\t%s",
2007 wpa_ssid_txt(bss->ssid, bss->ssid_len));
2008 if (ret < 0 || ret >= end - pos)
2009 return -1;
2010 pos += ret;
2011
2012 ret = os_snprintf(pos, end - pos, "\n");
2013 if (ret < 0 || ret >= end - pos)
2014 return -1;
2015 pos += ret;
2016
2017 return pos - buf;
2018 }
2019
2020
2021 static int wpa_supplicant_ctrl_iface_scan_results(
2022 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2023 {
2024 char *pos, *end;
2025 struct wpa_bss *bss;
2026 int ret;
2027
2028 pos = buf;
2029 end = buf + buflen;
2030 ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2031 "flags / ssid\n");
2032 if (ret < 0 || ret >= end - pos)
2033 return pos - buf;
2034 pos += ret;
2035
2036 dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2037 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2038 end - pos);
2039 if (ret < 0 || ret >= end - pos)
2040 return pos - buf;
2041 pos += ret;
2042 }
2043
2044 return pos - buf;
2045 }
2046
2047
2048 static int wpa_supplicant_ctrl_iface_select_network(
2049 struct wpa_supplicant *wpa_s, char *cmd)
2050 {
2051 int id;
2052 struct wpa_ssid *ssid;
2053
2054 /* cmd: "<network id>" or "any" */
2055 if (os_strcmp(cmd, "any") == 0) {
2056 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2057 ssid = NULL;
2058 } else {
2059 id = atoi(cmd);
2060 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2061
2062 ssid = wpa_config_get_network(wpa_s->conf, id);
2063 if (ssid == NULL) {
2064 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2065 "network id=%d", id);
2066 return -1;
2067 }
2068 if (ssid->disabled == 2) {
2069 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2070 "SELECT_NETWORK with persistent P2P group");
2071 return -1;
2072 }
2073 }
2074
2075 wpa_supplicant_select_network(wpa_s, ssid);
2076
2077 return 0;
2078 }
2079
2080
2081 static int wpa_supplicant_ctrl_iface_enable_network(
2082 struct wpa_supplicant *wpa_s, char *cmd)
2083 {
2084 int id;
2085 struct wpa_ssid *ssid;
2086
2087 /* cmd: "<network id>" or "all" */
2088 if (os_strcmp(cmd, "all") == 0) {
2089 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2090 ssid = NULL;
2091 } else {
2092 id = atoi(cmd);
2093 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2094
2095 ssid = wpa_config_get_network(wpa_s->conf, id);
2096 if (ssid == NULL) {
2097 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2098 "network id=%d", id);
2099 return -1;
2100 }
2101 if (ssid->disabled == 2) {
2102 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2103 "ENABLE_NETWORK with persistent P2P group");
2104 return -1;
2105 }
2106
2107 if (os_strstr(cmd, " no-connect")) {
2108 ssid->disabled = 0;
2109 return 0;
2110 }
2111 }
2112 wpa_supplicant_enable_network(wpa_s, ssid);
2113
2114 return 0;
2115 }
2116
2117
2118 static int wpa_supplicant_ctrl_iface_disable_network(
2119 struct wpa_supplicant *wpa_s, char *cmd)
2120 {
2121 int id;
2122 struct wpa_ssid *ssid;
2123
2124 /* cmd: "<network id>" or "all" */
2125 if (os_strcmp(cmd, "all") == 0) {
2126 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2127 ssid = NULL;
2128 } else {
2129 id = atoi(cmd);
2130 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2131
2132 ssid = wpa_config_get_network(wpa_s->conf, id);
2133 if (ssid == NULL) {
2134 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2135 "network id=%d", id);
2136 return -1;
2137 }
2138 if (ssid->disabled == 2) {
2139 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2140 "DISABLE_NETWORK with persistent P2P "
2141 "group");
2142 return -1;
2143 }
2144 }
2145 wpa_supplicant_disable_network(wpa_s, ssid);
2146
2147 return 0;
2148 }
2149
2150
2151 static int wpa_supplicant_ctrl_iface_add_network(
2152 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2153 {
2154 struct wpa_ssid *ssid;
2155 int ret;
2156
2157 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2158
2159 ssid = wpa_config_add_network(wpa_s->conf);
2160 if (ssid == NULL)
2161 return -1;
2162
2163 wpas_notify_network_added(wpa_s, ssid);
2164
2165 ssid->disabled = 1;
2166 wpa_config_set_network_defaults(ssid);
2167
2168 ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2169 if (ret < 0 || (size_t) ret >= buflen)
2170 return -1;
2171 return ret;
2172 }
2173
2174
2175 static int wpa_supplicant_ctrl_iface_remove_network(
2176 struct wpa_supplicant *wpa_s, char *cmd)
2177 {
2178 int id;
2179 struct wpa_ssid *ssid;
2180
2181 /* cmd: "<network id>" or "all" */
2182 if (os_strcmp(cmd, "all") == 0) {
2183 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2184 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2185 if (wpa_s->current_ssid) {
2186 #ifdef CONFIG_SME
2187 wpa_s->sme.prev_bssid_set = 0;
2188 #endif /* CONFIG_SME */
2189 wpa_sm_set_config(wpa_s->wpa, NULL);
2190 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2191 wpa_supplicant_deauthenticate(
2192 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2193 }
2194 ssid = wpa_s->conf->ssid;
2195 while (ssid) {
2196 struct wpa_ssid *remove_ssid = ssid;
2197 id = ssid->id;
2198 ssid = ssid->next;
2199 wpas_notify_network_removed(wpa_s, remove_ssid);
2200 wpa_config_remove_network(wpa_s->conf, id);
2201 }
2202 return 0;
2203 }
2204
2205 id = atoi(cmd);
2206 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2207
2208 ssid = wpa_config_get_network(wpa_s->conf, id);
2209 if (ssid)
2210 wpas_notify_network_removed(wpa_s, ssid);
2211 if (ssid == NULL) {
2212 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2213 "id=%d", id);
2214 return -1;
2215 }
2216
2217 if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2218 #ifdef CONFIG_SME
2219 wpa_s->sme.prev_bssid_set = 0;
2220 #endif /* CONFIG_SME */
2221 /*
2222 * Invalidate the EAP session cache if the current or
2223 * previously used network is removed.
2224 */
2225 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2226 }
2227
2228 if (ssid == wpa_s->current_ssid) {
2229 wpa_sm_set_config(wpa_s->wpa, NULL);
2230 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2231
2232 wpa_supplicant_deauthenticate(wpa_s,
2233 WLAN_REASON_DEAUTH_LEAVING);
2234 }
2235
2236 if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2237 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2238 "network id=%d", id);
2239 return -1;
2240 }
2241
2242 return 0;
2243 }
2244
2245
2246 static int wpa_supplicant_ctrl_iface_set_network(
2247 struct wpa_supplicant *wpa_s, char *cmd)
2248 {
2249 int id;
2250 struct wpa_ssid *ssid;
2251 char *name, *value;
2252
2253 /* cmd: "<network id> <variable name> <value>" */
2254 name = os_strchr(cmd, ' ');
2255 if (name == NULL)
2256 return -1;
2257 *name++ = '\0';
2258
2259 value = os_strchr(name, ' ');
2260 if (value == NULL)
2261 return -1;
2262 *value++ = '\0';
2263
2264 id = atoi(cmd);
2265 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2266 id, name);
2267 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2268 (u8 *) value, os_strlen(value));
2269
2270 ssid = wpa_config_get_network(wpa_s->conf, id);
2271 if (ssid == NULL) {
2272 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2273 "id=%d", id);
2274 return -1;
2275 }
2276
2277 if (wpa_config_set(ssid, name, value, 0) < 0) {
2278 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2279 "variable '%s'", name);
2280 return -1;
2281 }
2282
2283 if (os_strcmp(name, "bssid") != 0 &&
2284 os_strcmp(name, "priority") != 0)
2285 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2286
2287 if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2288 /*
2289 * Invalidate the EAP session cache if anything in the current
2290 * or previously used configuration changes.
2291 */
2292 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2293 }
2294
2295 if ((os_strcmp(name, "psk") == 0 &&
2296 value[0] == '"' && ssid->ssid_len) ||
2297 (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2298 wpa_config_update_psk(ssid);
2299 else if (os_strcmp(name, "priority") == 0)
2300 wpa_config_update_prio_list(wpa_s->conf);
2301
2302 return 0;
2303 }
2304
2305
2306 static int wpa_supplicant_ctrl_iface_get_network(
2307 struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2308 {
2309 int id;
2310 size_t res;
2311 struct wpa_ssid *ssid;
2312 char *name, *value;
2313
2314 /* cmd: "<network id> <variable name>" */
2315 name = os_strchr(cmd, ' ');
2316 if (name == NULL || buflen == 0)
2317 return -1;
2318 *name++ = '\0';
2319
2320 id = atoi(cmd);
2321 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2322 id, name);
2323
2324 ssid = wpa_config_get_network(wpa_s->conf, id);
2325 if (ssid == NULL) {
2326 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2327 "id=%d", id);
2328 return -1;
2329 }
2330
2331 value = wpa_config_get_no_key(ssid, name);
2332 if (value == NULL) {
2333 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2334 "variable '%s'", name);
2335 return -1;
2336 }
2337
2338 res = os_strlcpy(buf, value, buflen);
2339 if (res >= buflen) {
2340 os_free(value);
2341 return -1;
2342 }
2343
2344 os_free(value);
2345
2346 return res;
2347 }
2348
2349
2350 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2351 char *buf, size_t buflen)
2352 {
2353 char *pos, *end;
2354 struct wpa_cred *cred;
2355 int ret;
2356
2357 pos = buf;
2358 end = buf + buflen;
2359 ret = os_snprintf(pos, end - pos,
2360 "cred id / realm / username / domain / imsi\n");
2361 if (ret < 0 || ret >= end - pos)
2362 return pos - buf;
2363 pos += ret;
2364
2365 cred = wpa_s->conf->cred;
2366 while (cred) {
2367 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2368 cred->id, cred->realm ? cred->realm : "",
2369 cred->username ? cred->username : "",
2370 cred->domain ? cred->domain : "",
2371 cred->imsi ? cred->imsi : "");
2372 if (ret < 0 || ret >= end - pos)
2373 return pos - buf;
2374 pos += ret;
2375
2376 cred = cred->next;
2377 }
2378
2379 return pos - buf;
2380 }
2381
2382
2383 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2384 char *buf, size_t buflen)
2385 {
2386 struct wpa_cred *cred;
2387 int ret;
2388
2389 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2390
2391 cred = wpa_config_add_cred(wpa_s->conf);
2392 if (cred == NULL)
2393 return -1;
2394
2395 ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2396 if (ret < 0 || (size_t) ret >= buflen)
2397 return -1;
2398 return ret;
2399 }
2400
2401
2402 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2403 struct wpa_cred *cred)
2404 {
2405 struct wpa_ssid *ssid;
2406 char str[20];
2407
2408 if (cred == NULL || wpa_config_remove_cred(wpa_s->conf, cred->id) < 0) {
2409 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2410 return -1;
2411 }
2412
2413 /* Remove any network entry created based on the removed credential */
2414 ssid = wpa_s->conf->ssid;
2415 while (ssid) {
2416 if (ssid->parent_cred == cred) {
2417 wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2418 "used the removed credential", ssid->id);
2419 os_snprintf(str, sizeof(str), "%d", ssid->id);
2420 ssid = ssid->next;
2421 wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2422 } else
2423 ssid = ssid->next;
2424 }
2425
2426 return 0;
2427 }
2428
2429
2430 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2431 char *cmd)
2432 {
2433 int id;
2434 struct wpa_cred *cred, *prev;
2435
2436 /* cmd: "<cred id>", "all", or "sp_fqdn=<FQDN>" */
2437 if (os_strcmp(cmd, "all") == 0) {
2438 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2439 cred = wpa_s->conf->cred;
2440 while (cred) {
2441 prev = cred;
2442 cred = cred->next;
2443 wpas_ctrl_remove_cred(wpa_s, prev);
2444 }
2445 return 0;
2446 }
2447
2448 if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
2449 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
2450 cmd + 8);
2451 cred = wpa_s->conf->cred;
2452 while (cred) {
2453 prev = cred;
2454 cred = cred->next;
2455 if (prev->domain &&
2456 os_strcmp(prev->domain, cmd + 8) == 0)
2457 wpas_ctrl_remove_cred(wpa_s, prev);
2458 }
2459 return 0;
2460 }
2461
2462 id = atoi(cmd);
2463 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2464
2465 cred = wpa_config_get_cred(wpa_s->conf, id);
2466 return wpas_ctrl_remove_cred(wpa_s, cred);
2467 }
2468
2469
2470 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2471 char *cmd)
2472 {
2473 int id;
2474 struct wpa_cred *cred;
2475 char *name, *value;
2476
2477 /* cmd: "<cred id> <variable name> <value>" */
2478 name = os_strchr(cmd, ' ');
2479 if (name == NULL)
2480 return -1;
2481 *name++ = '\0';
2482
2483 value = os_strchr(name, ' ');
2484 if (value == NULL)
2485 return -1;
2486 *value++ = '\0';
2487
2488 id = atoi(cmd);
2489 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2490 id, name);
2491 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2492 (u8 *) value, os_strlen(value));
2493
2494 cred = wpa_config_get_cred(wpa_s->conf, id);
2495 if (cred == NULL) {
2496 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2497 id);
2498 return -1;
2499 }
2500
2501 if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2502 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2503 "variable '%s'", name);
2504 return -1;
2505 }
2506
2507 return 0;
2508 }
2509
2510
2511 #ifndef CONFIG_NO_CONFIG_WRITE
2512 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
2513 {
2514 int ret;
2515
2516 if (!wpa_s->conf->update_config) {
2517 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
2518 "to update configuration (update_config=0)");
2519 return -1;
2520 }
2521
2522 ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
2523 if (ret) {
2524 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
2525 "update configuration");
2526 } else {
2527 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
2528 " updated");
2529 }
2530
2531 return ret;
2532 }
2533 #endif /* CONFIG_NO_CONFIG_WRITE */
2534
2535
2536 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2537 struct wpa_driver_capa *capa,
2538 char *buf, size_t buflen)
2539 {
2540 int ret, first = 1;
2541 char *pos, *end;
2542 size_t len;
2543
2544 pos = buf;
2545 end = pos + buflen;
2546
2547 if (res < 0) {
2548 if (strict)
2549 return 0;
2550 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2551 if (len >= buflen)
2552 return -1;
2553 return len;
2554 }
2555
2556 if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2557 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2558 if (ret < 0 || ret >= end - pos)
2559 return pos - buf;
2560 pos += ret;
2561 first = 0;
2562 }
2563
2564 if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2565 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2566 if (ret < 0 || ret >= end - pos)
2567 return pos - buf;
2568 pos += ret;
2569 first = 0;
2570 }
2571
2572 if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2573 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2574 if (ret < 0 || ret >= end - pos)
2575 return pos - buf;
2576 pos += ret;
2577 first = 0;
2578 }
2579
2580 if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2581 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
2582 if (ret < 0 || ret >= end - pos)
2583 return pos - buf;
2584 pos += ret;
2585 first = 0;
2586 }
2587
2588 return pos - buf;
2589 }
2590
2591
2592 static int ctrl_iface_get_capability_group(int res, char *strict,
2593 struct wpa_driver_capa *capa,
2594 char *buf, size_t buflen)
2595 {
2596 int ret, first = 1;
2597 char *pos, *end;
2598 size_t len;
2599
2600 pos = buf;
2601 end = pos + buflen;
2602
2603 if (res < 0) {
2604 if (strict)
2605 return 0;
2606 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
2607 if (len >= buflen)
2608 return -1;
2609 return len;
2610 }
2611
2612 if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2613 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2614 if (ret < 0 || ret >= end - pos)
2615 return pos - buf;
2616 pos += ret;
2617 first = 0;
2618 }
2619
2620 if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2621 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2622 if (ret < 0 || ret >= end - pos)
2623 return pos - buf;
2624 pos += ret;
2625 first = 0;
2626 }
2627
2628 if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2629 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2630 if (ret < 0 || ret >= end - pos)
2631 return pos - buf;
2632 pos += ret;
2633 first = 0;
2634 }
2635
2636 if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP104) {
2637 ret = os_snprintf(pos, end - pos, "%sWEP104",
2638 first ? "" : " ");
2639 if (ret < 0 || ret >= end - pos)
2640 return pos - buf;
2641 pos += ret;
2642 first = 0;
2643 }
2644
2645 if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
2646 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
2647 if (ret < 0 || ret >= end - pos)
2648 return pos - buf;
2649 pos += ret;
2650 first = 0;
2651 }
2652
2653 return pos - buf;
2654 }
2655
2656
2657 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
2658 struct wpa_driver_capa *capa,
2659 char *buf, size_t buflen)
2660 {
2661 int ret;
2662 char *pos, *end;
2663 size_t len;
2664
2665 pos = buf;
2666 end = pos + buflen;
2667
2668 if (res < 0) {
2669 if (strict)
2670 return 0;
2671 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
2672 "NONE", buflen);
2673 if (len >= buflen)
2674 return -1;
2675 return len;
2676 }
2677
2678 ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
2679 if (ret < 0 || ret >= end - pos)
2680 return pos - buf;
2681 pos += ret;
2682
2683 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2684 WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2685 ret = os_snprintf(pos, end - pos, " WPA-EAP");
2686 if (ret < 0 || ret >= end - pos)
2687 return pos - buf;
2688 pos += ret;
2689 }
2690
2691 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2692 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2693 ret = os_snprintf(pos, end - pos, " WPA-PSK");
2694 if (ret < 0 || ret >= end - pos)
2695 return pos - buf;
2696 pos += ret;
2697 }
2698
2699 if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2700 ret = os_snprintf(pos, end - pos, " WPA-NONE");
2701 if (ret < 0 || ret >= end - pos)
2702 return pos - buf;
2703 pos += ret;
2704 }
2705
2706 return pos - buf;
2707 }
2708
2709
2710 static int ctrl_iface_get_capability_proto(int res, char *strict,
2711 struct wpa_driver_capa *capa,
2712 char *buf, size_t buflen)
2713 {
2714 int ret, first = 1;
2715 char *pos, *end;
2716 size_t len;
2717
2718 pos = buf;
2719 end = pos + buflen;
2720
2721 if (res < 0) {
2722 if (strict)
2723 return 0;
2724 len = os_strlcpy(buf, "RSN WPA", buflen);
2725 if (len >= buflen)
2726 return -1;
2727 return len;
2728 }
2729
2730 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2731 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2732 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
2733 if (ret < 0 || ret >= end - pos)
2734 return pos - buf;
2735 pos += ret;
2736 first = 0;
2737 }
2738
2739 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2740 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2741 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
2742 if (ret < 0 || ret >= end - pos)
2743 return pos - buf;
2744 pos += ret;
2745 first = 0;
2746 }
2747
2748 return pos - buf;
2749 }
2750
2751
2752 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
2753 struct wpa_driver_capa *capa,
2754 char *buf, size_t buflen)
2755 {
2756 int ret, first = 1;
2757 char *pos, *end;
2758 size_t len;
2759
2760 pos = buf;
2761 end = pos + buflen;
2762
2763 if (res < 0) {
2764 if (strict)
2765 return 0;
2766 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
2767 if (len >= buflen)
2768 return -1;
2769 return len;
2770 }
2771
2772 if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
2773 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
2774 if (ret < 0 || ret >= end - pos)
2775 return pos - buf;
2776 pos += ret;
2777 first = 0;
2778 }
2779
2780 if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
2781 ret = os_snprintf(pos, end - pos, "%sSHARED",
2782 first ? "" : " ");
2783 if (ret < 0 || ret >= end - pos)
2784 return pos - buf;
2785 pos += ret;
2786 first = 0;
2787 }
2788
2789 if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
2790 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
2791 if (ret < 0 || ret >= end - pos)
2792 return pos - buf;
2793 pos += ret;
2794 first = 0;
2795 }
2796
2797 return pos - buf;
2798 }
2799
2800
2801 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
2802 char *buf, size_t buflen)
2803 {
2804 struct hostapd_channel_data *chnl;
2805 int ret, i, j;
2806 char *pos, *end, *hmode;
2807
2808 pos = buf;
2809 end = pos + buflen;
2810
2811 for (j = 0; j < wpa_s->hw.num_modes; j++) {
2812 switch (wpa_s->hw.modes[j].mode) {
2813 case HOSTAPD_MODE_IEEE80211B:
2814 hmode = "B";
2815 break;
2816 case HOSTAPD_MODE_IEEE80211G:
2817 hmode = "G";
2818 break;
2819 case HOSTAPD_MODE_IEEE80211A:
2820 hmode = "A";
2821 break;
2822 case HOSTAPD_MODE_IEEE80211AD:
2823 hmode = "AD";
2824 break;
2825 default:
2826 continue;
2827 }
2828 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
2829 if (ret < 0 || ret >= end - pos)
2830 return pos - buf;
2831 pos += ret;
2832 chnl = wpa_s->hw.modes[j].channels;
2833 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
2834 if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
2835 continue;
2836 ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
2837 if (ret < 0 || ret >= end - pos)
2838 return pos - buf;
2839 pos += ret;
2840 }
2841 ret = os_snprintf(pos, end - pos, "\n");
2842 if (ret < 0 || ret >= end - pos)
2843 return pos - buf;
2844 pos += ret;
2845 }
2846
2847 return pos - buf;
2848 }
2849
2850
2851 static int wpa_supplicant_ctrl_iface_get_capability(
2852 struct wpa_supplicant *wpa_s, const char *_field, char *buf,
2853 size_t buflen)
2854 {
2855 struct wpa_driver_capa capa;
2856 int res;
2857 char *strict;
2858 char field[30];
2859 size_t len;
2860
2861 /* Determine whether or not strict checking was requested */
2862 len = os_strlcpy(field, _field, sizeof(field));
2863 if (len >= sizeof(field))
2864 return -1;
2865 strict = os_strchr(field, ' ');
2866 if (strict != NULL) {
2867 *strict++ = '\0';
2868 if (os_strcmp(strict, "strict") != 0)
2869 return -1;
2870 }
2871
2872 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
2873 field, strict ? strict : "");
2874
2875 if (os_strcmp(field, "eap") == 0) {
2876 return eap_get_names(buf, buflen);
2877 }
2878
2879 res = wpa_drv_get_capa(wpa_s, &capa);
2880
2881 if (os_strcmp(field, "pairwise") == 0)
2882 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
2883 buf, buflen);
2884
2885 if (os_strcmp(field, "group") == 0)
2886 return ctrl_iface_get_capability_group(res, strict, &capa,
2887 buf, buflen);
2888
2889 if (os_strcmp(field, "key_mgmt") == 0)
2890 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
2891 buf, buflen);
2892
2893 if (os_strcmp(field, "proto") == 0)
2894 return ctrl_iface_get_capability_proto(res, strict, &capa,
2895 buf, buflen);
2896
2897 if (os_strcmp(field, "auth_alg") == 0)
2898 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
2899 buf, buflen);
2900
2901 if (os_strcmp(field, "channels") == 0)
2902 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
2903
2904 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
2905 field);
2906
2907 return -1;
2908 }
2909
2910
2911 #ifdef CONFIG_INTERWORKING
2912 static char * anqp_add_hex(char *pos, char *end, const char *title,
2913 struct wpabuf *data)
2914 {
2915 char *start = pos;
2916 size_t i;
2917 int ret;
2918 const u8 *d;
2919
2920 if (data == NULL)
2921 return start;
2922
2923 ret = os_snprintf(pos, end - pos, "%s=", title);
2924 if (ret < 0 || ret >= end - pos)
2925 return start;
2926 pos += ret;
2927
2928 d = wpabuf_head_u8(data);
2929 for (i = 0; i < wpabuf_len(data); i++) {
2930 ret = os_snprintf(pos, end - pos, "%02x", *d++);
2931 if (ret < 0 || ret >= end - pos)
2932 return start;
2933 pos += ret;
2934 }
2935
2936 ret = os_snprintf(pos, end - pos, "\n");
2937 if (ret < 0 || ret >= end - pos)
2938 return start;
2939 pos += ret;
2940
2941 return pos;
2942 }
2943 #endif /* CONFIG_INTERWORKING */
2944
2945
2946 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
2947 unsigned long mask, char *buf, size_t buflen)
2948 {
2949 size_t i;
2950 int ret;
2951 char *pos, *end;
2952 const u8 *ie, *ie2;
2953
2954 pos = buf;
2955 end = buf + buflen;
2956
2957 if (mask & WPA_BSS_MASK_ID) {
2958 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
2959 if (ret < 0 || ret >= end - pos)
2960 return 0;
2961 pos += ret;
2962 }
2963
2964 if (mask & WPA_BSS_MASK_BSSID) {
2965 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
2966 MAC2STR(bss->bssid));
2967 if (ret < 0 || ret >= end - pos)
2968 return 0;
2969 pos += ret;
2970 }
2971
2972 if (mask & WPA_BSS_MASK_FREQ) {
2973 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
2974 if (ret < 0 || ret >= end - pos)
2975 return 0;
2976 pos += ret;
2977 }
2978
2979 if (mask & WPA_BSS_MASK_BEACON_INT) {
2980 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
2981 bss->beacon_int);
2982 if (ret < 0 || ret >= end - pos)
2983 return 0;
2984 pos += ret;
2985 }
2986
2987 if (mask & WPA_BSS_MASK_CAPABILITIES) {
2988 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
2989 bss->caps);
2990 if (ret < 0 || ret >= end - pos)
2991 return 0;
2992 pos += ret;
2993 }
2994
2995 if (mask & WPA_BSS_MASK_QUAL) {
2996 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
2997 if (ret < 0 || ret >= end - pos)
2998 return 0;
2999 pos += ret;
3000 }
3001
3002 if (mask & WPA_BSS_MASK_NOISE) {
3003 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3004 if (ret < 0 || ret >= end - pos)
3005 return 0;
3006 pos += ret;
3007 }
3008
3009 if (mask & WPA_BSS_MASK_LEVEL) {
3010 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3011 if (ret < 0 || ret >= end - pos)
3012 return 0;
3013 pos += ret;
3014 }
3015
3016 if (mask & WPA_BSS_MASK_TSF) {
3017 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
3018 (unsigned long long) bss->tsf);
3019 if (ret < 0 || ret >= end - pos)
3020 return 0;
3021 pos += ret;
3022 }
3023
3024 if (mask & WPA_BSS_MASK_AGE) {
3025 struct os_time now;
3026
3027 os_get_time(&now);
3028 ret = os_snprintf(pos, end - pos, "age=%d\n",
3029 (int) (now.sec - bss->last_update.sec));
3030 if (ret < 0 || ret >= end - pos)
3031 return 0;
3032 pos += ret;
3033 }
3034
3035 if (mask & WPA_BSS_MASK_IE) {
3036 ret = os_snprintf(pos, end - pos, "ie=");
3037 if (ret < 0 || ret >= end - pos)
3038 return 0;
3039 pos += ret;
3040
3041 ie = (const u8 *) (bss + 1);
3042 for (i = 0; i < bss->ie_len; i++) {
3043 ret = os_snprintf(pos, end - pos, "%02x", *ie++);
3044 if (ret < 0 || ret >= end - pos)
3045 return 0;
3046 pos += ret;
3047 }
3048
3049 ret = os_snprintf(pos, end - pos, "\n");
3050 if (ret < 0 || ret >= end - pos)
3051 return 0;
3052 pos += ret;
3053 }
3054
3055 if (mask & WPA_BSS_MASK_FLAGS) {
3056 ret = os_snprintf(pos, end - pos, "flags=");
3057 if (ret < 0 || ret >= end - pos)
3058 return 0;
3059 pos += ret;
3060
3061 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
3062 if (ie)
3063 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
3064 2 + ie[1]);
3065 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
3066 if (ie2)
3067 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
3068 2 + ie2[1]);
3069 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
3070 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3071 ret = os_snprintf(pos, end - pos, "[WEP]");
3072 if (ret < 0 || ret >= end - pos)
3073 return 0;
3074 pos += ret;
3075 }
3076 if (bss->caps & IEEE80211_CAP_IBSS) {
3077 ret = os_snprintf(pos, end - pos, "[IBSS]");
3078 if (ret < 0 || ret >= end - pos)
3079 return 0;
3080 pos += ret;
3081 }
3082 if (bss->caps & IEEE80211_CAP_ESS) {
3083 ret = os_snprintf(pos, end - pos, "[ESS]");
3084 if (ret < 0 || ret >= end - pos)
3085 return 0;
3086 pos += ret;
3087 }
3088 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE)) {
3089 ret = os_snprintf(pos, end - pos, "[P2P]");
3090 if (ret < 0 || ret >= end - pos)
3091 return 0;
3092 pos += ret;
3093 }
3094 #ifdef CONFIG_HS20
3095 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3096 ret = os_snprintf(pos, end - pos, "[HS20]");
3097 if (ret < 0 || ret >= end - pos)
3098 return -1;
3099 pos += ret;
3100 }
3101 #endif /* CONFIG_HS20 */
3102
3103 ret = os_snprintf(pos, end - pos, "\n");
3104 if (ret < 0 || ret >= end - pos)
3105 return 0;
3106 pos += ret;
3107 }
3108
3109 if (mask & WPA_BSS_MASK_SSID) {
3110 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3111 wpa_ssid_txt(bss->ssid, bss->ssid_len));
3112 if (ret < 0 || ret >= end - pos)
3113 return 0;
3114 pos += ret;
3115 }
3116
3117 #ifdef CONFIG_WPS
3118 if (mask & WPA_BSS_MASK_WPS_SCAN) {
3119 ie = (const u8 *) (bss + 1);
3120 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3121 if (ret < 0 || ret >= end - pos)
3122 return 0;
3123 pos += ret;
3124 }
3125 #endif /* CONFIG_WPS */
3126
3127 #ifdef CONFIG_P2P
3128 if (mask & WPA_BSS_MASK_P2P_SCAN) {
3129 ie = (const u8 *) (bss + 1);
3130 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3131 if (ret < 0 || ret >= end - pos)
3132 return 0;
3133 pos += ret;
3134 }
3135 #endif /* CONFIG_P2P */
3136
3137 #ifdef CONFIG_WIFI_DISPLAY
3138 if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3139 struct wpabuf *wfd;
3140 ie = (const u8 *) (bss + 1);
3141 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3142 WFD_IE_VENDOR_TYPE);
3143 if (wfd) {
3144 ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3145 if (ret < 0 || ret >= end - pos)
3146 return pos - buf;
3147 pos += ret;
3148
3149 pos += wpa_snprintf_hex(pos, end - pos,
3150 wpabuf_head(wfd),
3151 wpabuf_len(wfd));
3152 wpabuf_free(wfd);
3153
3154 ret = os_snprintf(pos, end - pos, "\n");
3155 if (ret < 0 || ret >= end - pos)
3156 return pos - buf;
3157 pos += ret;
3158 }
3159 }
3160 #endif /* CONFIG_WIFI_DISPLAY */
3161
3162 #ifdef CONFIG_INTERWORKING
3163 if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3164 struct wpa_bss_anqp *anqp = bss->anqp;
3165 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3166 anqp->venue_name);
3167 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3168 anqp->network_auth_type);
3169 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3170 anqp->roaming_consortium);
3171 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3172 anqp->ip_addr_type_availability);
3173 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3174 anqp->nai_realm);
3175 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3176 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3177 anqp->domain_name);
3178 #ifdef CONFIG_HS20
3179 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3180 anqp->hs20_operator_friendly_name);
3181 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3182 anqp->hs20_wan_metrics);
3183 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3184 anqp->hs20_connection_capability);
3185 #endif /* CONFIG_HS20 */
3186 }
3187 #endif /* CONFIG_INTERWORKING */
3188
3189 return pos - buf;
3190 }
3191
3192
3193 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3194 const char *cmd, char *buf,
3195 size_t buflen)
3196 {
3197 u8 bssid[ETH_ALEN];
3198 size_t i;
3199 struct wpa_bss *bss;
3200 struct wpa_bss *bsslast = NULL;
3201 struct dl_list *next;
3202 int ret = 0;
3203 int len;
3204 char *ctmp;
3205 unsigned long mask = WPA_BSS_MASK_ALL;
3206
3207 if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3208 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3209 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3210 list_id);
3211 bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3212 list_id);
3213 } else { /* N1-N2 */
3214 unsigned int id1, id2;
3215
3216 if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3217 wpa_printf(MSG_INFO, "Wrong BSS range "
3218 "format");
3219 return 0;
3220 }
3221
3222 if (*(cmd + 6) == '-')
3223 id1 = 0;
3224 else
3225 id1 = atoi(cmd + 6);
3226 ctmp++;
3227 if (*ctmp >= '0' && *ctmp <= '9')
3228 id2 = atoi(ctmp);
3229 else
3230 id2 = (unsigned int) -1;
3231 bss = wpa_bss_get_id_range(wpa_s, id1, id2);
3232 if (id2 == (unsigned int) -1)
3233 bsslast = dl_list_last(&wpa_s->bss_id,
3234 struct wpa_bss,
3235 list_id);
3236 else {
3237 bsslast = wpa_bss_get_id(wpa_s, id2);
3238 if (bsslast == NULL && bss && id2 > id1) {
3239 struct wpa_bss *tmp = bss;
3240 for (;;) {
3241 next = tmp->list_id.next;
3242 if (next == &wpa_s->bss_id)
3243 break;
3244 tmp = dl_list_entry(
3245 next, struct wpa_bss,
3246 list_id);
3247 if (tmp->id > id2)
3248 break;
3249 bsslast = tmp;
3250 }
3251 }
3252 }
3253 }
3254 } else if (os_strncmp(cmd, "FIRST", 5) == 0)
3255 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3256 else if (os_strncmp(cmd, "LAST", 4) == 0)
3257 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
3258 else if (os_strncmp(cmd, "ID-", 3) == 0) {
3259 i = atoi(cmd + 3);
3260 bss = wpa_bss_get_id(wpa_s, i);
3261 } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3262 i = atoi(cmd + 5);
3263 bss = wpa_bss_get_id(wpa_s, i);
3264 if (bss) {
3265 next = bss->list_id.next;
3266 if (next == &wpa_s->bss_id)
3267 bss = NULL;
3268 else
3269 bss = dl_list_entry(next, struct wpa_bss,
3270 list_id);
3271 }
3272 #ifdef CONFIG_P2P
3273 } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3274 if (hwaddr_aton(cmd + 13, bssid) == 0)
3275 bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3276 else
3277 bss = NULL;
3278 #endif /* CONFIG_P2P */
3279 } else if (hwaddr_aton(cmd, bssid) == 0)
3280 bss = wpa_bss_get_bssid(wpa_s, bssid);
3281 else {
3282 struct wpa_bss *tmp;
3283 i = atoi(cmd);
3284 bss = NULL;
3285 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3286 {
3287 if (i-- == 0) {
3288 bss = tmp;
3289 break;
3290 }
3291 }
3292 }
3293
3294 if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3295 mask = strtoul(ctmp + 5, NULL, 0x10);
3296 if (mask == 0)
3297 mask = WPA_BSS_MASK_ALL;
3298 }
3299
3300 if (bss == NULL)
3301 return 0;
3302
3303 if (bsslast == NULL)
3304 bsslast = bss;
3305 do {
3306 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3307 ret += len;
3308 buf += len;
3309 buflen -= len;
3310 if (bss == bsslast)
3311 break;
3312 next = bss->list_id.next;
3313 if (next == &wpa_s->bss_id)
3314 break;
3315 bss = dl_list_entry(next, struct wpa_bss, list_id);
3316 } while (bss && len);
3317
3318 return ret;
3319 }
3320
3321
3322 static int wpa_supplicant_ctrl_iface_ap_scan(
3323 struct wpa_supplicant *wpa_s, char *cmd)
3324 {
3325 int ap_scan = atoi(cmd);
3326 return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3327 }
3328
3329
3330 static int wpa_supplicant_ctrl_iface_scan_interval(
3331 struct wpa_supplicant *wpa_s, char *cmd)
3332 {
3333 int scan_int = atoi(cmd);
3334 return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3335 }
3336
3337
3338 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3339 struct wpa_supplicant *wpa_s, char *cmd)
3340 {
3341 int expire_age = atoi(cmd);
3342 return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3343 }
3344
3345
3346 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3347 struct wpa_supplicant *wpa_s, char *cmd)
3348 {
3349 int expire_count = atoi(cmd);
3350 return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3351 }
3352
3353
3354 static int wpa_supplicant_ctrl_iface_bss_flush(
3355 struct wpa_supplicant *wpa_s, char *cmd)
3356 {
3357 int flush_age = atoi(cmd);
3358
3359 if (flush_age == 0)
3360 wpa_bss_flush(wpa_s);
3361 else
3362 wpa_bss_flush_by_age(wpa_s, flush_age);
3363 return 0;
3364 }
3365
3366
3367 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3368 {
3369 wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3370 /* MLME-DELETEKEYS.request */
3371 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3372 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3373 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3374 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3375 #ifdef CONFIG_IEEE80211W
3376 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3377 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3378 #endif /* CONFIG_IEEE80211W */
3379
3380 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3381 0);
3382 /* MLME-SETPROTECTION.request(None) */
3383 wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3384 MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3385 MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3386 wpa_sm_drop_sa(wpa_s->wpa);
3387 }
3388
3389
3390 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3391 char *addr)
3392 {
3393 #ifdef CONFIG_NO_SCAN_PROCESSING
3394 return -1;
3395 #else /* CONFIG_NO_SCAN_PROCESSING */
3396 u8 bssid[ETH_ALEN];
3397 struct wpa_bss *bss;
3398 struct wpa_ssid *ssid = wpa_s->current_ssid;
3399
3400 if (hwaddr_aton(addr, bssid)) {
3401 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3402 "address '%s'", addr);
3403 return -1;
3404 }
3405
3406 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3407
3408 bss = wpa_bss_get_bssid(wpa_s, bssid);
3409 if (!bss) {
3410 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3411 "from BSS table");
3412 return -1;
3413 }
3414
3415 /*
3416 * TODO: Find best network configuration block from configuration to
3417 * allow roaming to other networks
3418 */
3419
3420 if (!ssid) {
3421 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3422 "configuration known for the target AP");
3423 return -1;
3424 }
3425
3426 wpa_s->reassociate = 1;
3427 wpa_supplicant_connect(wpa_s, bss, ssid);
3428
3429 return 0;
3430 #endif /* CONFIG_NO_SCAN_PROCESSING */
3431 }
3432
3433
3434 #ifdef CONFIG_P2P
3435 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3436 {
3437 unsigned int timeout = atoi(cmd);
3438 enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3439 u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3440 char *pos;
3441 unsigned int search_delay;
3442
3443 if (os_strstr(cmd, "type=social"))
3444 type = P2P_FIND_ONLY_SOCIAL;
3445 else if (os_strstr(cmd, "type=progressive"))
3446 type = P2P_FIND_PROGRESSIVE;
3447
3448 pos = os_strstr(cmd, "dev_id=");
3449 if (pos) {
3450 pos += 7;
3451 if (hwaddr_aton(pos, dev_id))
3452 return -1;
3453 _dev_id = dev_id;
3454 }
3455
3456 pos = os_strstr(cmd, "delay=");
3457 if (pos) {
3458 pos += 6;
3459 search_delay = atoi(pos);
3460 } else
3461 search_delay = wpas_p2p_search_delay(wpa_s);
3462
3463 return wpas_p2p_find(wpa_s, timeout, type, 0, NULL, _dev_id,
3464 search_delay);
3465 }
3466
3467
3468 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3469 char *buf, size_t buflen)
3470 {
3471 u8 addr[ETH_ALEN];
3472 char *pos, *pos2;
3473 char *pin = NULL;
3474 enum p2p_wps_method wps_method;
3475 int new_pin;
3476 int ret;
3477 int persistent_group, persistent_id = -1;
3478 int join;
3479 int auth;
3480 int automatic;
3481 int go_intent = -1;
3482 int freq = 0;
3483 int pd;
3484 int ht40;
3485
3486 /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3487 * [persistent|persistent=<network id>]
3488 * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3489 * [ht40] */
3490
3491 if (hwaddr_aton(cmd, addr))
3492 return -1;
3493
3494 pos = cmd + 17;
3495 if (*pos != ' ')
3496 return -1;
3497 pos++;
3498
3499 persistent_group = os_strstr(pos, " persistent") != NULL;
3500 pos2 = os_strstr(pos, " persistent=");
3501 if (pos2) {
3502 struct wpa_ssid *ssid;
3503 persistent_id = atoi(pos2 + 12);
3504 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3505 if (ssid == NULL || ssid->disabled != 2 ||
3506 ssid->mode != WPAS_MODE_P2P_GO) {
3507 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3508 "SSID id=%d for persistent P2P group (GO)",
3509 persistent_id);
3510 return -1;
3511 }
3512 }
3513 join = os_strstr(pos, " join") != NULL;
3514 auth = os_strstr(pos, " auth") != NULL;
3515 automatic = os_strstr(pos, " auto") != NULL;
3516 pd = os_strstr(pos, " provdisc") != NULL;
3517 ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3518
3519 pos2 = os_strstr(pos, " go_intent=");
3520 if (pos2) {
3521 pos2 += 11;
3522 go_intent = atoi(pos2);
3523 if (go_intent < 0 || go_intent > 15)
3524 return -1;
3525 }
3526
3527 pos2 = os_strstr(pos, " freq=");
3528 if (pos2) {
3529 pos2 += 6;
3530 freq = atoi(pos2);
3531 if (freq <= 0)
3532 return -1;
3533 }
3534
3535 if (os_strncmp(pos, "pin", 3) == 0) {
3536 /* Request random PIN (to be displayed) and enable the PIN */
3537 wps_method = WPS_PIN_DISPLAY;
3538 } else if (os_strncmp(pos, "pbc", 3) == 0) {
3539 wps_method = WPS_PBC;
3540 } else {
3541 pin = pos;
3542 pos = os_strchr(pin, ' ');
3543 wps_method = WPS_PIN_KEYPAD;
3544 if (pos) {
3545 *pos++ = '\0';
3546 if (os_strncmp(pos, "display", 7) == 0)
3547 wps_method = WPS_PIN_DISPLAY;
3548 }
3549 if (!wps_pin_str_valid(pin)) {
3550 os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
3551 return 17;
3552 }
3553 }
3554
3555 new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
3556 persistent_group, automatic, join,
3557 auth, go_intent, freq, persistent_id, pd,
3558 ht40);
3559 if (new_pin == -2) {
3560 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
3561 return 25;
3562 }
3563 if (new_pin == -3) {
3564 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
3565 return 25;
3566 }
3567 if (new_pin < 0)
3568 return -1;
3569 if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
3570 ret = os_snprintf(buf, buflen, "%08d", new_pin);
3571 if (ret < 0 || (size_t) ret >= buflen)
3572 return -1;
3573 return ret;
3574 }
3575
3576 os_memcpy(buf, "OK\n", 3);
3577 return 3;
3578 }
3579
3580
3581 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
3582 {
3583 unsigned int timeout = atoi(cmd);
3584 return wpas_p2p_listen(wpa_s, timeout);
3585 }
3586
3587
3588 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
3589 {
3590 u8 addr[ETH_ALEN];
3591 char *pos;
3592 enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
3593
3594 /* <addr> <config method> [join|auto] */
3595
3596 if (hwaddr_aton(cmd, addr))
3597 return -1;
3598
3599 pos = cmd + 17;
3600 if (*pos != ' ')
3601 return -1;
3602 pos++;
3603
3604 if (os_strstr(pos, " join") != NULL)
3605 use = WPAS_P2P_PD_FOR_JOIN;
3606 else if (os_strstr(pos, " auto") != NULL)
3607 use = WPAS_P2P_PD_AUTO;
3608
3609 return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
3610 }
3611
3612
3613 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
3614 size_t buflen)
3615 {
3616 struct wpa_ssid *ssid = wpa_s->current_ssid;
3617
3618 if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3619 ssid->passphrase == NULL)
3620 return -1;
3621
3622 os_strlcpy(buf, ssid->passphrase, buflen);
3623 return os_strlen(buf);
3624 }
3625
3626
3627 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
3628 char *buf, size_t buflen)
3629 {
3630 u64 ref;
3631 int res;
3632 u8 dst_buf[ETH_ALEN], *dst;
3633 struct wpabuf *tlvs;
3634 char *pos;
3635 size_t len;
3636
3637 if (hwaddr_aton(cmd, dst_buf))
3638 return -1;
3639 dst = dst_buf;
3640 if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
3641 dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
3642 dst = NULL;
3643 pos = cmd + 17;
3644 if (*pos != ' ')
3645 return -1;
3646 pos++;
3647
3648 if (os_strncmp(pos, "upnp ", 5) == 0) {
3649 u8 version;
3650 pos += 5;
3651 if (hexstr2bin(pos, &version, 1) < 0)
3652 return -1;
3653 pos += 2;
3654 if (*pos != ' ')
3655 return -1;
3656 pos++;
3657 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
3658 #ifdef CONFIG_WIFI_DISPLAY
3659 } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
3660 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
3661 #endif /* CONFIG_WIFI_DISPLAY */
3662 } else {
3663 len = os_strlen(pos);
3664 if (len & 1)
3665 return -1;
3666 len /= 2;
3667 tlvs = wpabuf_alloc(len);
3668 if (tlvs == NULL)
3669 return -1;
3670 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
3671 wpabuf_free(tlvs);
3672 return -1;
3673 }
3674
3675 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
3676 wpabuf_free(tlvs);
3677 }
3678 if (ref == 0)
3679 return -1;
3680 res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
3681 if (res < 0 || (unsigned) res >= buflen)
3682 return -1;
3683 return res;
3684 }
3685
3686
3687 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
3688 char *cmd)
3689 {
3690 long long unsigned val;
3691 u64 req;
3692 if (sscanf(cmd, "%llx", &val) != 1)
3693 return -1;
3694 req = val;
3695 return wpas_p2p_sd_cancel_request(wpa_s, req);
3696 }
3697
3698
3699 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
3700 {
3701 int freq;
3702 u8 dst[ETH_ALEN];
3703 u8 dialog_token;
3704 struct wpabuf *resp_tlvs;
3705 char *pos, *pos2;
3706 size_t len;
3707
3708 pos = os_strchr(cmd, ' ');
3709 if (pos == NULL)
3710 return -1;
3711 *pos++ = '\0';
3712 freq = atoi(cmd);
3713 if (freq == 0)
3714 return -1;
3715
3716 if (hwaddr_aton(pos, dst))
3717 return -1;
3718 pos += 17;
3719 if (*pos != ' ')
3720 return -1;
3721 pos++;
3722
3723 pos2 = os_strchr(pos, ' ');
3724 if (pos2 == NULL)
3725 return -1;
3726 *pos2++ = '\0';
3727 dialog_token = atoi(pos);
3728
3729 len = os_strlen(pos2);
3730 if (len & 1)
3731 return -1;
3732 len /= 2;
3733 resp_tlvs = wpabuf_alloc(len);
3734 if (resp_tlvs == NULL)
3735 return -1;
3736 if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
3737 wpabuf_free(resp_tlvs);
3738 return -1;
3739 }
3740
3741 wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
3742 wpabuf_free(resp_tlvs);
3743 return 0;
3744 }
3745
3746
3747 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
3748 char *cmd)
3749 {
3750 if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
3751 return -1;
3752 wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
3753 return 0;
3754 }
3755
3756
3757 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
3758 char *cmd)
3759 {
3760 char *pos;
3761 size_t len;
3762 struct wpabuf *query, *resp;
3763
3764 pos = os_strchr(cmd, ' ');
3765 if (pos == NULL)
3766 return -1;
3767 *pos++ = '\0';
3768
3769 len = os_strlen(cmd);
3770 if (len & 1)
3771 return -1;
3772 len /= 2;
3773 query = wpabuf_alloc(len);
3774 if (query == NULL)
3775 return -1;
3776 if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3777 wpabuf_free(query);
3778 return -1;
3779 }
3780
3781 len = os_strlen(pos);
3782 if (len & 1) {
3783 wpabuf_free(query);
3784 return -1;
3785 }
3786 len /= 2;
3787 resp = wpabuf_alloc(len);
3788 if (resp == NULL) {
3789 wpabuf_free(query);
3790 return -1;
3791 }
3792 if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
3793 wpabuf_free(query);
3794 wpabuf_free(resp);
3795 return -1;
3796 }
3797
3798 if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
3799 wpabuf_free(query);
3800 wpabuf_free(resp);
3801 return -1;
3802 }
3803 return 0;
3804 }
3805
3806
3807 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3808 {
3809 char *pos;
3810 u8 version;
3811
3812 pos = os_strchr(cmd, ' ');
3813 if (pos == NULL)
3814 return -1;
3815 *pos++ = '\0';
3816
3817 if (hexstr2bin(cmd, &version, 1) < 0)
3818 return -1;
3819
3820 return wpas_p2p_service_add_upnp(wpa_s, version, pos);
3821 }
3822
3823
3824 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
3825 {
3826 char *pos;
3827
3828 pos = os_strchr(cmd, ' ');
3829 if (pos == NULL)
3830 return -1;
3831 *pos++ = '\0';
3832
3833 if (os_strcmp(cmd, "bonjour") == 0)
3834 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
3835 if (os_strcmp(cmd, "upnp") == 0)
3836 return p2p_ctrl_service_add_upnp(wpa_s, pos);
3837 wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3838 return -1;
3839 }
3840
3841
3842 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
3843 char *cmd)
3844 {
3845 size_t len;
3846 struct wpabuf *query;
3847 int ret;
3848
3849 len = os_strlen(cmd);
3850 if (len & 1)
3851 return -1;
3852 len /= 2;
3853 query = wpabuf_alloc(len);
3854 if (query == NULL)
3855 return -1;
3856 if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3857 wpabuf_free(query);
3858 return -1;
3859 }
3860
3861 ret = wpas_p2p_service_del_bonjour(wpa_s, query);
3862 wpabuf_free(query);
3863 return ret;
3864 }
3865
3866
3867 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3868 {
3869 char *pos;
3870 u8 version;
3871
3872 pos = os_strchr(cmd, ' ');
3873 if (pos == NULL)
3874 return -1;
3875 *pos++ = '\0';
3876
3877 if (hexstr2bin(cmd, &version, 1) < 0)
3878 return -1;
3879
3880 return wpas_p2p_service_del_upnp(wpa_s, version, pos);
3881 }
3882
3883
3884 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
3885 {
3886 char *pos;
3887
3888 pos = os_strchr(cmd, ' ');
3889 if (pos == NULL)
3890 return -1;
3891 *pos++ = '\0';
3892
3893 if (os_strcmp(cmd, "bonjour") == 0)
3894 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
3895 if (os_strcmp(cmd, "upnp") == 0)
3896 return p2p_ctrl_service_del_upnp(wpa_s, pos);
3897 wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3898 return -1;
3899 }
3900
3901
3902 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
3903 {
3904 u8 addr[ETH_ALEN];
3905
3906 /* <addr> */
3907
3908 if (hwaddr_aton(cmd, addr))
3909 return -1;
3910
3911 return wpas_p2p_reject(wpa_s, addr);
3912 }
3913
3914
3915 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
3916 {
3917 char *pos;
3918 int id;
3919 struct wpa_ssid *ssid;
3920 u8 *_peer = NULL, peer[ETH_ALEN];
3921 int freq = 0;
3922 int ht40;
3923
3924 id = atoi(cmd);
3925 pos = os_strstr(cmd, " peer=");
3926 if (pos) {
3927 pos += 6;
3928 if (hwaddr_aton(pos, peer))
3929 return -1;
3930 _peer = peer;
3931 }
3932 ssid = wpa_config_get_network(wpa_s->conf, id);
3933 if (ssid == NULL || ssid->disabled != 2) {
3934 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
3935 "for persistent P2P group",
3936 id);
3937 return -1;
3938 }
3939
3940 pos = os_strstr(cmd, " freq=");
3941 if (pos) {
3942 pos += 6;
3943 freq = atoi(pos);
3944 if (freq <= 0)
3945 return -1;
3946 }
3947
3948 ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3949
3950 return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40);
3951 }
3952
3953
3954 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
3955 {
3956 char *pos;
3957 u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
3958
3959 pos = os_strstr(cmd, " peer=");
3960 if (!pos)
3961 return -1;
3962
3963 *pos = '\0';
3964 pos += 6;
3965 if (hwaddr_aton(pos, peer)) {
3966 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
3967 return -1;
3968 }
3969
3970 pos = os_strstr(pos, " go_dev_addr=");
3971 if (pos) {
3972 pos += 13;
3973 if (hwaddr_aton(pos, go_dev_addr)) {
3974 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
3975 pos);
3976 return -1;
3977 }
3978 go_dev = go_dev_addr;
3979 }
3980
3981 return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
3982 }
3983
3984
3985 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
3986 {
3987 if (os_strncmp(cmd, "persistent=", 11) == 0)
3988 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
3989 if (os_strncmp(cmd, "group=", 6) == 0)
3990 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
3991
3992 return -1;
3993 }
3994
3995
3996 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
3997 char *cmd, int freq, int ht40)
3998 {
3999 int id;
4000 struct wpa_ssid *ssid;
4001
4002 id = atoi(cmd);
4003 ssid = wpa_config_get_network(wpa_s->conf, id);
4004 if (ssid == NULL || ssid->disabled != 2) {
4005 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4006 "for persistent P2P group",
4007 id);
4008 return -1;
4009 }
4010
4011 return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40);
4012 }
4013
4014
4015 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
4016 {
4017 int freq = 0, ht40;
4018 char *pos;
4019
4020 pos = os_strstr(cmd, "freq=");
4021 if (pos)
4022 freq = atoi(pos + 5);
4023
4024 ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
4025
4026 if (os_strncmp(cmd, "persistent=", 11) == 0)
4027 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
4028 ht40);
4029 if (os_strcmp(cmd, "persistent") == 0 ||
4030 os_strncmp(cmd, "persistent ", 11) == 0)
4031 return wpas_p2p_group_add(wpa_s, 1, freq, ht40);
4032 if (os_strncmp(cmd, "freq=", 5) == 0)
4033 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
4034 if (ht40)
4035 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
4036
4037 wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
4038 cmd);
4039 return -1;
4040 }
4041
4042
4043 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
4044 char *buf, size_t buflen)
4045 {
4046 u8 addr[ETH_ALEN], *addr_ptr;
4047 int next, res;
4048 const struct p2p_peer_info *info;
4049 char *pos, *end;
4050 char devtype[WPS_DEV_TYPE_BUFSIZE];
4051 struct wpa_ssid *ssid;
4052 size_t i;
4053
4054 if (!wpa_s->global->p2p)
4055 return -1;
4056
4057 if (os_strcmp(cmd, "FIRST") == 0) {
4058 addr_ptr = NULL;
4059 next = 0;
4060 } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4061 if (hwaddr_aton(cmd + 5, addr) < 0)
4062 return -1;
4063 addr_ptr = addr;
4064 next = 1;
4065 } else {
4066 if (hwaddr_aton(cmd, addr) < 0)
4067 return -1;
4068 addr_ptr = addr;
4069 next = 0;
4070 }
4071
4072 info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4073 if (info == NULL)
4074 return -1;
4075
4076 pos = buf;
4077 end = buf + buflen;
4078
4079 res = os_snprintf(pos, end - pos, MACSTR "\n"
4080 "pri_dev_type=%s\n"
4081 "device_name=%s\n"
4082 "manufacturer=%s\n"
4083 "model_name=%s\n"
4084 "model_number=%s\n"
4085 "serial_number=%s\n"
4086 "config_methods=0x%x\n"
4087 "dev_capab=0x%x\n"
4088 "group_capab=0x%x\n"
4089 "level=%d\n",
4090 MAC2STR(info->p2p_device_addr),
4091 wps_dev_type_bin2str(info->pri_dev_type,
4092 devtype, sizeof(devtype)),
4093 info->device_name,
4094 info->manufacturer,
4095 info->model_name,
4096 info->model_number,
4097 info->serial_number,
4098 info->config_methods,
4099 info->dev_capab,
4100 info->group_capab,
4101 info->level);
4102 if (res < 0 || res >= end - pos)
4103 return pos - buf;
4104 pos += res;
4105
4106 for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4107 {
4108 const u8 *t;
4109 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4110 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4111 wps_dev_type_bin2str(t, devtype,
4112 sizeof(devtype)));
4113 if (res < 0 || res >= end - pos)
4114 return pos - buf;
4115 pos += res;
4116 }
4117
4118 ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4119 if (ssid) {
4120 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4121 if (res < 0 || res >= end - pos)
4122 return pos - buf;
4123 pos += res;
4124 }
4125
4126 res = p2p_get_peer_info_txt(info, pos, end - pos);
4127 if (res < 0)
4128 return pos - buf;
4129 pos += res;
4130
4131 return pos - buf;
4132 }
4133
4134
4135 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4136 const char *param)
4137 {
4138 struct wpa_freq_range *freq = NULL, *n;
4139 unsigned int count = 0, i;
4140 const char *pos, *pos2, *pos3;
4141
4142 if (wpa_s->global->p2p == NULL)
4143 return -1;
4144
4145 /*
4146 * param includes comma separated frequency range.
4147 * For example: 2412-2432,2462,5000-6000
4148 */
4149 pos = param;
4150 while (pos && pos[0]) {
4151 n = os_realloc_array(freq, count + 1,
4152 sizeof(struct wpa_freq_range));
4153 if (n == NULL) {
4154 os_free(freq);
4155 return -1;
4156 }
4157 freq = n;
4158 freq[count].min = atoi(pos);
4159 pos2 = os_strchr(pos, '-');
4160 pos3 = os_strchr(pos, ',');
4161 if (pos2 && (!pos3 || pos2 < pos3)) {
4162 pos2++;
4163 freq[count].max = atoi(pos2);
4164 } else
4165 freq[count].max = freq[count].min;
4166 pos = pos3;
4167 if (pos)
4168 pos++;
4169 count++;
4170 }
4171
4172 for (i = 0; i < count; i++) {
4173 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4174 freq[i].min, freq[i].max);
4175 }
4176
4177 os_free(wpa_s->global->p2p_disallow_freq);
4178 wpa_s->global->p2p_disallow_freq = freq;
4179 wpa_s->global->num_p2p_disallow_freq = count;
4180 wpas_p2p_update_channel_list(wpa_s);
4181 return 0;
4182 }
4183
4184
4185 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4186 {
4187 char *param;
4188
4189 if (wpa_s->global->p2p == NULL)
4190 return -1;
4191
4192 param = os_strchr(cmd, ' ');
4193 if (param == NULL)
4194 return -1;
4195 *param++ = '\0';
4196
4197 if (os_strcmp(cmd, "discoverability") == 0) {
4198 p2p_set_client_discoverability(wpa_s->global->p2p,
4199 atoi(param));
4200 return 0;
4201 }
4202
4203 if (os_strcmp(cmd, "managed") == 0) {
4204 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4205 return 0;
4206 }
4207
4208 if (os_strcmp(cmd, "listen_channel") == 0) {
4209 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4210 atoi(param));
4211 }
4212
4213 if (os_strcmp(cmd, "ssid_postfix") == 0) {
4214 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4215 os_strlen(param));
4216 }
4217
4218 if (os_strcmp(cmd, "noa") == 0) {
4219 char *pos;
4220 int count, start, duration;
4221 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4222 count = atoi(param);
4223 pos = os_strchr(param, ',');
4224 if (pos == NULL)
4225 return -1;
4226 pos++;
4227 start = atoi(pos);
4228 pos = os_strchr(pos, ',');
4229 if (pos == NULL)
4230 return -1;
4231 pos++;
4232 duration = atoi(pos);
4233 if (count < 0 || count > 255 || start < 0 || duration < 0)
4234 return -1;
4235 if (count == 0 && duration > 0)
4236 return -1;
4237 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4238 "start=%d duration=%d", count, start, duration);
4239 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4240 }
4241
4242 if (os_strcmp(cmd, "ps") == 0)
4243 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4244
4245 if (os_strcmp(cmd, "oppps") == 0)
4246 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4247
4248 if (os_strcmp(cmd, "ctwindow") == 0)
4249 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4250
4251 if (os_strcmp(cmd, "disabled") == 0) {
4252 wpa_s->global->p2p_disabled = atoi(param);
4253 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4254 wpa_s->global->p2p_disabled ?
4255 "disabled" : "enabled");
4256 if (wpa_s->global->p2p_disabled) {
4257 wpas_p2p_stop_find(wpa_s);
4258 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4259 p2p_flush(wpa_s->global->p2p);
4260 }
4261 return 0;
4262 }
4263
4264 if (os_strcmp(cmd, "conc_pref") == 0) {
4265 if (os_strcmp(param, "sta") == 0)
4266 wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4267 else if (os_strcmp(param, "p2p") == 0)
4268 wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4269 else {
4270 wpa_printf(MSG_INFO, "Invalid conc_pref value");
4271 return -1;
4272 }
4273 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4274 "%s", param);
4275 return 0;
4276 }
4277
4278 if (os_strcmp(cmd, "force_long_sd") == 0) {
4279 wpa_s->force_long_sd = atoi(param);
4280 return 0;
4281 }
4282
4283 if (os_strcmp(cmd, "peer_filter") == 0) {
4284 u8 addr[ETH_ALEN];
4285 if (hwaddr_aton(param, addr))
4286 return -1;
4287 p2p_set_peer_filter(wpa_s->global->p2p, addr);
4288 return 0;
4289 }
4290
4291 if (os_strcmp(cmd, "cross_connect") == 0)
4292 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4293
4294 if (os_strcmp(cmd, "go_apsd") == 0) {
4295 if (os_strcmp(param, "disable") == 0)
4296 wpa_s->set_ap_uapsd = 0;
4297 else {
4298 wpa_s->set_ap_uapsd = 1;
4299 wpa_s->ap_uapsd = atoi(param);
4300 }
4301 return 0;
4302 }
4303
4304 if (os_strcmp(cmd, "client_apsd") == 0) {
4305 if (os_strcmp(param, "disable") == 0)
4306 wpa_s->set_sta_uapsd = 0;
4307 else {
4308 int be, bk, vi, vo;
4309 char *pos;
4310 /* format: BE,BK,VI,VO;max SP Length */
4311 be = atoi(param);
4312 pos = os_strchr(param, ',');
4313 if (pos == NULL)
4314 return -1;
4315 pos++;
4316 bk = atoi(pos);
4317 pos = os_strchr(pos, ',');
4318 if (pos == NULL)
4319 return -1;
4320 pos++;
4321 vi = atoi(pos);
4322 pos = os_strchr(pos, ',');
4323 if (pos == NULL)
4324 return -1;
4325 pos++;
4326 vo = atoi(pos);
4327 /* ignore max SP Length for now */
4328
4329 wpa_s->set_sta_uapsd = 1;
4330 wpa_s->sta_uapsd = 0;
4331 if (be)
4332 wpa_s->sta_uapsd |= BIT(0);
4333 if (bk)
4334 wpa_s->sta_uapsd |= BIT(1);
4335 if (vi)
4336 wpa_s->sta_uapsd |= BIT(2);
4337 if (vo)
4338 wpa_s->sta_uapsd |= BIT(3);
4339 }
4340 return 0;
4341 }
4342
4343 if (os_strcmp(cmd, "disallow_freq") == 0)
4344 return p2p_ctrl_disallow_freq(wpa_s, param);
4345
4346 if (os_strcmp(cmd, "disc_int") == 0) {
4347 int min_disc_int, max_disc_int, max_disc_tu;
4348 char *pos;
4349
4350 pos = param;
4351
4352 min_disc_int = atoi(pos);
4353 pos = os_strchr(pos, ' ');
4354 if (pos == NULL)
4355 return -1;
4356 *pos++ = '\0';
4357
4358 max_disc_int = atoi(pos);
4359 pos = os_strchr(pos, ' ');
4360 if (pos == NULL)
4361 return -1;
4362 *pos++ = '\0';
4363
4364 max_disc_tu = atoi(pos);
4365
4366 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
4367 max_disc_int, max_disc_tu);
4368 }
4369
4370 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
4371 cmd);
4372
4373 return -1;
4374 }
4375
4376
4377 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
4378 {
4379 char *pos, *pos2;
4380 unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
4381
4382 if (cmd[0]) {
4383 pos = os_strchr(cmd, ' ');
4384 if (pos == NULL)
4385 return -1;
4386 *pos++ = '\0';
4387 dur1 = atoi(cmd);
4388
4389 pos2 = os_strchr(pos, ' ');
4390 if (pos2)
4391 *pos2++ = '\0';
4392 int1 = atoi(pos);
4393 } else
4394 pos2 = NULL;
4395
4396 if (pos2) {
4397 pos = os_strchr(pos2, ' ');
4398 if (pos == NULL)
4399 return -1;
4400 *pos++ = '\0';
4401 dur2 = atoi(pos2);
4402 int2 = atoi(pos);
4403 }
4404
4405 return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
4406 }
4407
4408
4409 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
4410 {
4411 char *pos;
4412 unsigned int period = 0, interval = 0;
4413
4414 if (cmd[0]) {
4415 pos = os_strchr(cmd, ' ');
4416 if (pos == NULL)
4417 return -1;
4418 *pos++ = '\0';
4419 period = atoi(cmd);
4420 interval = atoi(pos);
4421 }
4422
4423 return wpas_p2p_ext_listen(wpa_s, period, interval);
4424 }
4425
4426 #endif /* CONFIG_P2P */
4427
4428
4429 #ifdef CONFIG_INTERWORKING
4430 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
4431 {
4432 u8 bssid[ETH_ALEN];
4433 struct wpa_bss *bss;
4434
4435 if (hwaddr_aton(dst, bssid)) {
4436 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
4437 return -1;
4438 }
4439
4440 bss = wpa_bss_get_bssid(wpa_s, bssid);
4441 if (bss == NULL) {
4442 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
4443 MAC2STR(bssid));
4444 return -1;
4445 }
4446
4447 return interworking_connect(wpa_s, bss);
4448 }
4449
4450
4451 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
4452 {
4453 u8 dst_addr[ETH_ALEN];
4454 int used;
4455 char *pos;
4456 #define MAX_ANQP_INFO_ID 100
4457 u16 id[MAX_ANQP_INFO_ID];
4458 size_t num_id = 0;
4459
4460 used = hwaddr_aton2(dst, dst_addr);
4461 if (used < 0)
4462 return -1;
4463 pos = dst + used;
4464 while (num_id < MAX_ANQP_INFO_ID) {
4465 id[num_id] = atoi(pos);
4466 if (id[num_id])
4467 num_id++;
4468 pos = os_strchr(pos + 1, ',');
4469 if (pos == NULL)
4470 break;
4471 pos++;
4472 }
4473
4474 if (num_id == 0)
4475 return -1;
4476
4477 return anqp_send_req(wpa_s, dst_addr, id, num_id);
4478 }
4479
4480
4481 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
4482 {
4483 u8 dst_addr[ETH_ALEN];
4484 struct wpabuf *advproto, *query = NULL;
4485 int used, ret = -1;
4486 char *pos, *end;
4487 size_t len;
4488
4489 used = hwaddr_aton2(cmd, dst_addr);
4490 if (used < 0)
4491 return -1;
4492
4493 pos = cmd + used;
4494 while (*pos == ' ')
4495 pos++;
4496
4497 /* Advertisement Protocol ID */
4498 end = os_strchr(pos, ' ');
4499 if (end)
4500 len = end - pos;
4501 else
4502 len = os_strlen(pos);
4503 if (len & 0x01)
4504 return -1;
4505 len /= 2;
4506 if (len == 0)
4507 return -1;
4508 advproto = wpabuf_alloc(len);
4509 if (advproto == NULL)
4510 return -1;
4511 if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
4512 goto fail;
4513
4514 if (end) {
4515 /* Optional Query Request */
4516 pos = end + 1;
4517 while (*pos == ' ')
4518 pos++;
4519
4520 len = os_strlen(pos);
4521 if (len) {
4522 if (len & 0x01)
4523 goto fail;
4524 len /= 2;
4525 if (len == 0)
4526 goto fail;
4527 query = wpabuf_alloc(len);
4528 if (query == NULL)
4529 goto fail;
4530 if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
4531 goto fail;
4532 }
4533 }
4534
4535 ret = gas_send_request(wpa_s, dst_addr, advproto, query);
4536
4537 fail:
4538 wpabuf_free(advproto);
4539 wpabuf_free(query);
4540
4541 return ret;
4542 }
4543
4544
4545 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
4546 size_t buflen)
4547 {
4548 u8 addr[ETH_ALEN];
4549 int dialog_token;
4550 int used;
4551 char *pos;
4552 size_t resp_len, start, requested_len;
4553
4554 if (!wpa_s->last_gas_resp)
4555 return -1;
4556
4557 used = hwaddr_aton2(cmd, addr);
4558 if (used < 0)
4559 return -1;
4560
4561 pos = cmd + used;
4562 while (*pos == ' ')
4563 pos++;
4564 dialog_token = atoi(pos);
4565
4566 if (os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) != 0 ||
4567 dialog_token != wpa_s->last_gas_dialog_token)
4568 return -1;
4569
4570 resp_len = wpabuf_len(wpa_s->last_gas_resp);
4571 start = 0;
4572 requested_len = resp_len;
4573
4574 pos = os_strchr(pos, ' ');
4575 if (pos) {
4576 start = atoi(pos);
4577 if (start > resp_len)
4578 return os_snprintf(buf, buflen, "FAIL-Invalid range");
4579 pos = os_strchr(pos, ',');
4580 if (pos == NULL)
4581 return -1;
4582 pos++;
4583 requested_len = atoi(pos);
4584 if (start + requested_len > resp_len)
4585 return os_snprintf(buf, buflen, "FAIL-Invalid range");
4586 }
4587
4588 if (requested_len * 2 + 1 > buflen)
4589 return os_snprintf(buf, buflen, "FAIL-Too long response");
4590
4591 return wpa_snprintf_hex(buf, buflen,
4592 wpabuf_head_u8(wpa_s->last_gas_resp) + start,
4593 requested_len);
4594 }
4595 #endif /* CONFIG_INTERWORKING */
4596
4597
4598 #ifdef CONFIG_HS20
4599
4600 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
4601 {
4602 u8 dst_addr[ETH_ALEN];
4603 int used;
4604 char *pos;
4605 u32 subtypes = 0;
4606
4607 used = hwaddr_aton2(dst, dst_addr);
4608 if (used < 0)
4609 return -1;
4610 pos = dst + used;
4611 for (;;) {
4612 int num = atoi(pos);
4613 if (num <= 0 || num > 31)
4614 return -1;
4615 subtypes |= BIT(num);
4616 pos = os_strchr(pos + 1, ',');
4617 if (pos == NULL)
4618 break;
4619 pos++;
4620 }
4621
4622 if (subtypes == 0)
4623 return -1;
4624
4625 return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
4626 }
4627
4628
4629 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4630 const u8 *addr, const char *realm)
4631 {
4632 u8 *buf;
4633 size_t rlen, len;
4634 int ret;
4635
4636 rlen = os_strlen(realm);
4637 len = 3 + rlen;
4638 buf = os_malloc(len);
4639 if (buf == NULL)
4640 return -1;
4641 buf[0] = 1; /* NAI Home Realm Count */
4642 buf[1] = 0; /* Formatted in accordance with RFC 4282 */
4643 buf[2] = rlen;
4644 os_memcpy(buf + 3, realm, rlen);
4645
4646 ret = hs20_anqp_send_req(wpa_s, addr,
4647 BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4648 buf, len);
4649
4650 os_free(buf);
4651
4652 return ret;
4653 }
4654
4655
4656 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4657 char *dst)
4658 {
4659 struct wpa_cred *cred = wpa_s->conf->cred;
4660 u8 dst_addr[ETH_ALEN];
4661 int used;
4662 u8 *buf;
4663 size_t len;
4664 int ret;
4665
4666 used = hwaddr_aton2(dst, dst_addr);
4667 if (used < 0)
4668 return -1;
4669
4670 while (dst[used] == ' ')
4671 used++;
4672 if (os_strncmp(dst + used, "realm=", 6) == 0)
4673 return hs20_nai_home_realm_list(wpa_s, dst_addr,
4674 dst + used + 6);
4675
4676 len = os_strlen(dst + used);
4677
4678 if (len == 0 && cred && cred->realm)
4679 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
4680
4681 if (len % 1)
4682 return -1;
4683 len /= 2;
4684 buf = os_malloc(len);
4685 if (buf == NULL)
4686 return -1;
4687 if (hexstr2bin(dst + used, buf, len) < 0) {
4688 os_free(buf);
4689 return -1;
4690 }
4691
4692 ret = hs20_anqp_send_req(wpa_s, dst_addr,
4693 BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4694 buf, len);
4695 os_free(buf);
4696
4697 return ret;
4698 }
4699
4700 #endif /* CONFIG_HS20 */
4701
4702
4703 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
4704 struct wpa_supplicant *wpa_s, char *cmd)
4705 {
4706 wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
4707 return 0;
4708 }
4709
4710
4711 #ifdef CONFIG_AUTOSCAN
4712
4713 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
4714 char *cmd)
4715 {
4716 enum wpa_states state = wpa_s->wpa_state;
4717 char *new_params = NULL;
4718
4719 if (os_strlen(cmd) > 0) {
4720 new_params = os_strdup(cmd);
4721 if (new_params == NULL)
4722 return -1;
4723 }
4724
4725 os_free(wpa_s->conf->autoscan);
4726 wpa_s->conf->autoscan = new_params;
4727
4728 if (wpa_s->conf->autoscan == NULL)
4729 autoscan_deinit(wpa_s);
4730 else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
4731 autoscan_init(wpa_s, 1);
4732 else if (state == WPA_SCANNING)
4733 wpa_supplicant_reinit_autoscan(wpa_s);
4734
4735 return 0;
4736 }
4737
4738 #endif /* CONFIG_AUTOSCAN */
4739
4740
4741 #ifdef CONFIG_WNM
4742
4743 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
4744 {
4745 int enter;
4746 int intval = 0;
4747 char *pos;
4748 int ret;
4749 struct wpabuf *tfs_req = NULL;
4750
4751 if (os_strncmp(cmd, "enter", 5) == 0)
4752 enter = 1;
4753 else if (os_strncmp(cmd, "exit", 4) == 0)
4754 enter = 0;
4755 else
4756 return -1;
4757
4758 pos = os_strstr(cmd, " interval=");
4759 if (pos)
4760 intval = atoi(pos + 10);
4761
4762 pos = os_strstr(cmd, " tfs_req=");
4763 if (pos) {
4764 char *end;
4765 size_t len;
4766 pos += 9;
4767 end = os_strchr(pos, ' ');
4768 if (end)
4769 len = end - pos;
4770 else
4771 len = os_strlen(pos);
4772 if (len & 1)
4773 return -1;
4774 len /= 2;
4775 tfs_req = wpabuf_alloc(len);
4776 if (tfs_req == NULL)
4777 return -1;
4778 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
4779 wpabuf_free(tfs_req);
4780 return -1;
4781 }
4782 }
4783
4784 ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
4785 WNM_SLEEP_MODE_EXIT, intval,
4786 tfs_req);
4787 wpabuf_free(tfs_req);
4788
4789 return ret;
4790 }
4791
4792 #endif /* CONFIG_WNM */
4793
4794
4795 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
4796 size_t buflen)
4797 {
4798 struct wpa_signal_info si;
4799 int ret;
4800
4801 ret = wpa_drv_signal_poll(wpa_s, &si);
4802 if (ret)
4803 return -1;
4804
4805 ret = os_snprintf(buf, buflen, "RSSI=%d\nLINKSPEED=%d\n"
4806 "NOISE=%d\nFREQUENCY=%u\n",
4807 si.current_signal, si.current_txrate / 1000,
4808 si.current_noise, si.frequency);
4809 if (ret < 0 || (unsigned int) ret > buflen)
4810 return -1;
4811 return ret;
4812 }
4813
4814
4815 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
4816 size_t buflen)
4817 {
4818 struct hostap_sta_driver_data sta;
4819 int ret;
4820
4821 ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
4822 if (ret)
4823 return -1;
4824
4825 ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
4826 sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
4827 if (ret < 0 || (size_t) ret > buflen)
4828 return -1;
4829 return ret;
4830 }
4831
4832
4833 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
4834 char *buf, size_t *resp_len)
4835 {
4836 char *reply;
4837 const int reply_size = 4096;
4838 int ctrl_rsp = 0;
4839 int reply_len;
4840
4841 if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
4842 os_strncmp(buf, "SET_NETWORK ", 12) == 0 ||
4843 os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
4844 os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0 ||
4845 os_strncmp(buf, "NFC_RX_HANDOVER_SEL", 19) == 0) {
4846 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
4847 (const u8 *) buf, os_strlen(buf));
4848 } else {
4849 int level = MSG_DEBUG;
4850 if (os_strcmp(buf, "PING") == 0)
4851 level = MSG_EXCESSIVE;
4852 wpa_hexdump_ascii(level, "RX ctrl_iface",
4853 (const u8 *) buf, os_strlen(buf));
4854 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
4855 }
4856
4857 reply = os_malloc(reply_size);
4858 if (reply == NULL) {
4859 *resp_len = 1;
4860 return NULL;
4861 }
4862
4863 os_memcpy(reply, "OK\n", 3);
4864 reply_len = 3;
4865
4866 if (os_strcmp(buf, "PING") == 0) {
4867 os_memcpy(reply, "PONG\n", 5);
4868 reply_len = 5;
4869 } else if (os_strcmp(buf, "IFNAME") == 0) {
4870 reply_len = os_strlen(wpa_s->ifname);
4871 os_memcpy(reply, wpa_s->ifname, reply_len);
4872 } else if (os_strncmp(buf, "RELOG", 5) == 0) {
4873 if (wpa_debug_reopen_file() < 0)
4874 reply_len = -1;
4875 } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
4876 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
4877 } else if (os_strcmp(buf, "MIB") == 0) {
4878 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
4879 if (reply_len >= 0) {
4880 int res;
4881 res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
4882 reply_size - reply_len);
4883 if (res < 0)
4884 reply_len = -1;
4885 else
4886 reply_len += res;
4887 }
4888 } else if (os_strncmp(buf, "STATUS", 6) == 0) {
4889 reply_len = wpa_supplicant_ctrl_iface_status(
4890 wpa_s, buf + 6, reply, reply_size);
4891 } else if (os_strcmp(buf, "PMKSA") == 0) {
4892 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
4893 reply_size);
4894 } else if (os_strncmp(buf, "SET ", 4) == 0) {
4895 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
4896 reply_len = -1;
4897 } else if (os_strncmp(buf, "GET ", 4) == 0) {
4898 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
4899 reply, reply_size);
4900 } else if (os_strcmp(buf, "LOGON") == 0) {
4901 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
4902 } else if (os_strcmp(buf, "LOGOFF") == 0) {
4903 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
4904 } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
4905 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4906 reply_len = -1;
4907 else
4908 wpas_request_connection(wpa_s);
4909 } else if (os_strcmp(buf, "RECONNECT") == 0) {
4910 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4911 reply_len = -1;
4912 else if (wpa_s->disconnected)
4913 wpas_request_connection(wpa_s);
4914 #ifdef IEEE8021X_EAPOL
4915 } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
4916 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
4917 reply_len = -1;
4918 #endif /* IEEE8021X_EAPOL */
4919 #ifdef CONFIG_PEERKEY
4920 } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
4921 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
4922 reply_len = -1;
4923 #endif /* CONFIG_PEERKEY */
4924 #ifdef CONFIG_IEEE80211R
4925 } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
4926 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
4927 reply_len = -1;
4928 #endif /* CONFIG_IEEE80211R */
4929 #ifdef CONFIG_WPS
4930 } else if (os_strcmp(buf, "WPS_PBC") == 0) {
4931 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
4932 if (res == -2) {
4933 os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4934 reply_len = 17;
4935 } else if (res)
4936 reply_len = -1;
4937 } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
4938 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
4939 if (res == -2) {
4940 os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4941 reply_len = 17;
4942 } else if (res)
4943 reply_len = -1;
4944 } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
4945 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
4946 reply,
4947 reply_size);
4948 } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
4949 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
4950 wpa_s, buf + 14, reply, reply_size);
4951 } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
4952 if (wpas_wps_cancel(wpa_s))
4953 reply_len = -1;
4954 #ifdef CONFIG_WPS_NFC
4955 } else if (os_strcmp(buf, "WPS_NFC") == 0) {
4956 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
4957 reply_len = -1;
4958 } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
4959 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
4960 reply_len = -1;
4961 } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
4962 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
4963 wpa_s, buf + 14, reply, reply_size);
4964 } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
4965 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
4966 buf + 17))
4967 reply_len = -1;
4968 } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
4969 reply_len = wpas_ctrl_nfc_get_handover_req(
4970 wpa_s, buf + 21, reply, reply_size);
4971 } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
4972 reply_len = wpas_ctrl_nfc_get_handover_sel(
4973 wpa_s, buf + 21, reply, reply_size);
4974 } else if (os_strncmp(buf, "NFC_RX_HANDOVER_REQ ", 20) == 0) {
4975 reply_len = wpas_ctrl_nfc_rx_handover_req(
4976 wpa_s, buf + 20, reply, reply_size);
4977 } else if (os_strncmp(buf, "NFC_RX_HANDOVER_SEL ", 20) == 0) {
4978 if (wpas_ctrl_nfc_rx_handover_sel(wpa_s, buf + 20))
4979 reply_len = -1;
4980 } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
4981 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
4982 reply_len = -1;
4983 #endif /* CONFIG_WPS_NFC */
4984 } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
4985 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
4986 reply_len = -1;
4987 #ifdef CONFIG_AP
4988 } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
4989 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
4990 wpa_s, buf + 11, reply, reply_size);
4991 #endif /* CONFIG_AP */
4992 #ifdef CONFIG_WPS_ER
4993 } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
4994 if (wpas_wps_er_start(wpa_s, NULL))
4995 reply_len = -1;
4996 } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
4997 if (wpas_wps_er_start(wpa_s, buf + 13))
4998 reply_len = -1;
4999 } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
5000 if (wpas_wps_er_stop(wpa_s))
5001 reply_len = -1;
5002 } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
5003 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
5004 reply_len = -1;
5005 } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
5006 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
5007 if (ret == -2) {
5008 os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5009 reply_len = 17;
5010 } else if (ret == -3) {
5011 os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
5012 reply_len = 18;
5013 } else if (ret == -4) {
5014 os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
5015 reply_len = 20;
5016 } else if (ret)
5017 reply_len = -1;
5018 } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
5019 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
5020 reply_len = -1;
5021 } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
5022 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
5023 buf + 18))
5024 reply_len = -1;
5025 } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
5026 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
5027 reply_len = -1;
5028 #ifdef CONFIG_WPS_NFC
5029 } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
5030 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
5031 wpa_s, buf + 24, reply, reply_size);
5032 #endif /* CONFIG_WPS_NFC */
5033 #endif /* CONFIG_WPS_ER */
5034 #endif /* CONFIG_WPS */
5035 #ifdef CONFIG_IBSS_RSN
5036 } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
5037 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
5038 reply_len = -1;
5039 #endif /* CONFIG_IBSS_RSN */
5040 #ifdef CONFIG_P2P
5041 } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
5042 if (p2p_ctrl_find(wpa_s, buf + 9))
5043 reply_len = -1;
5044 } else if (os_strcmp(buf, "P2P_FIND") == 0) {
5045 if (p2p_ctrl_find(wpa_s, ""))
5046 reply_len = -1;
5047 } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
5048 wpas_p2p_stop_find(wpa_s);
5049 } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
5050 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
5051 reply_size);
5052 } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
5053 if (p2p_ctrl_listen(wpa_s, buf + 11))
5054 reply_len = -1;
5055 } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
5056 if (p2p_ctrl_listen(wpa_s, ""))
5057 reply_len = -1;
5058 } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
5059 if (wpas_p2p_group_remove(wpa_s, buf + 17))
5060 reply_len = -1;
5061 } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
5062 if (wpas_p2p_group_add(wpa_s, 0, 0, 0))
5063 reply_len = -1;
5064 } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
5065 if (p2p_ctrl_group_add(wpa_s, buf + 14))
5066 reply_len = -1;
5067 } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
5068 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
5069 reply_len = -1;
5070 } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
5071 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
5072 } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
5073 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
5074 reply_size);
5075 } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
5076 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
5077 reply_len = -1;
5078 } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
5079 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
5080 reply_len = -1;
5081 } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
5082 wpas_p2p_sd_service_update(wpa_s);
5083 } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
5084 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
5085 reply_len = -1;
5086 } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
5087 wpas_p2p_service_flush(wpa_s);
5088 } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
5089 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
5090 reply_len = -1;
5091 } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
5092 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
5093 reply_len = -1;
5094 } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
5095 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
5096 reply_len = -1;
5097 } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
5098 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
5099 reply_len = -1;
5100 } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
5101 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
5102 reply_size);
5103 } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
5104 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
5105 reply_len = -1;
5106 } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
5107 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5108 wpa_s->force_long_sd = 0;
5109 if (wpa_s->global->p2p)
5110 p2p_flush(wpa_s->global->p2p);
5111 } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
5112 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
5113 reply_len = -1;
5114 } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
5115 if (wpas_p2p_cancel(wpa_s))
5116 reply_len = -1;
5117 } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
5118 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
5119 reply_len = -1;
5120 } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
5121 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
5122 reply_len = -1;
5123 } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
5124 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
5125 reply_len = -1;
5126 } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
5127 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
5128 reply_len = -1;
5129 #endif /* CONFIG_P2P */
5130 #ifdef CONFIG_WIFI_DISPLAY
5131 } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
5132 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
5133 reply_len = -1;
5134 } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
5135 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
5136 reply, reply_size);
5137 #endif /* CONFIG_WIFI_DISPLAY */
5138 #ifdef CONFIG_INTERWORKING
5139 } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
5140 if (interworking_fetch_anqp(wpa_s) < 0)
5141 reply_len = -1;
5142 } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
5143 interworking_stop_fetch_anqp(wpa_s);
5144 } else if (os_strncmp(buf, "INTERWORKING_SELECT", 19) == 0) {
5145 if (interworking_select(wpa_s, os_strstr(buf + 19, "auto") !=
5146 NULL) < 0)
5147 reply_len = -1;
5148 } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
5149 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
5150 reply_len = -1;
5151 } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
5152 if (get_anqp(wpa_s, buf + 9) < 0)
5153 reply_len = -1;
5154 } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
5155 if (gas_request(wpa_s, buf + 12) < 0)
5156 reply_len = -1;
5157 } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
5158 reply_len = gas_response_get(wpa_s, buf + 17, reply,
5159 reply_size);
5160 #endif /* CONFIG_INTERWORKING */
5161 #ifdef CONFIG_HS20
5162 } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
5163 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
5164 reply_len = -1;
5165 } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
5166 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
5167 reply_len = -1;
5168 #endif /* CONFIG_HS20 */
5169 } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
5170 {
5171 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
5172 wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
5173 reply_len = -1;
5174 else
5175 ctrl_rsp = 1;
5176 } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
5177 if (wpa_supplicant_reload_configuration(wpa_s))
5178 reply_len = -1;
5179 } else if (os_strcmp(buf, "TERMINATE") == 0) {
5180 wpa_supplicant_terminate_proc(wpa_s->global);
5181 } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
5182 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
5183 reply_len = -1;
5184 } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
5185 reply_len = wpa_supplicant_ctrl_iface_blacklist(
5186 wpa_s, buf + 9, reply, reply_size);
5187 } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
5188 reply_len = wpa_supplicant_ctrl_iface_log_level(
5189 wpa_s, buf + 9, reply, reply_size);
5190 } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
5191 reply_len = wpa_supplicant_ctrl_iface_list_networks(
5192 wpa_s, reply, reply_size);
5193 } else if (os_strcmp(buf, "DISCONNECT") == 0) {
5194 #ifdef CONFIG_SME
5195 wpa_s->sme.prev_bssid_set = 0;
5196 #endif /* CONFIG_SME */
5197 wpa_s->reassociate = 0;
5198 wpa_s->disconnected = 1;
5199 wpa_supplicant_cancel_sched_scan(wpa_s);
5200 wpa_supplicant_cancel_scan(wpa_s);
5201 wpa_supplicant_deauthenticate(wpa_s,
5202 WLAN_REASON_DEAUTH_LEAVING);
5203 } else if (os_strcmp(buf, "SCAN") == 0 ||
5204 os_strncmp(buf, "SCAN ", 5) == 0) {
5205 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5206 reply_len = -1;
5207 else {
5208 if (os_strlen(buf) > 4 &&
5209 os_strncasecmp(buf + 5, "TYPE=ONLY", 9) == 0)
5210 wpa_s->scan_res_handler = scan_only_handler;
5211 if (!wpa_s->sched_scanning && !wpa_s->scanning &&
5212 ((wpa_s->wpa_state <= WPA_SCANNING) ||
5213 (wpa_s->wpa_state == WPA_COMPLETED))) {
5214 wpa_s->normal_scans = 0;
5215 wpa_s->scan_req = MANUAL_SCAN_REQ;
5216 wpa_supplicant_req_scan(wpa_s, 0, 0);
5217 } else if (wpa_s->sched_scanning) {
5218 wpa_printf(MSG_DEBUG, "Stop ongoing "
5219 "sched_scan to allow requested "
5220 "full scan to proceed");
5221 wpa_supplicant_cancel_sched_scan(wpa_s);
5222 wpa_s->scan_req = MANUAL_SCAN_REQ;
5223 wpa_supplicant_req_scan(wpa_s, 0, 0);
5224 } else {
5225 wpa_printf(MSG_DEBUG, "Ongoing scan action - "
5226 "reject new request");
5227 reply_len = os_snprintf(reply, reply_size,
5228 "FAIL-BUSY\n");
5229 }
5230 }
5231 } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
5232 reply_len = wpa_supplicant_ctrl_iface_scan_results(
5233 wpa_s, reply, reply_size);
5234 } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
5235 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
5236 reply_len = -1;
5237 } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
5238 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
5239 reply_len = -1;
5240 } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
5241 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
5242 reply_len = -1;
5243 } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
5244 reply_len = wpa_supplicant_ctrl_iface_add_network(
5245 wpa_s, reply, reply_size);
5246 } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
5247 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
5248 reply_len = -1;
5249 } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
5250 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
5251 reply_len = -1;
5252 } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
5253 reply_len = wpa_supplicant_ctrl_iface_get_network(
5254 wpa_s, buf + 12, reply, reply_size);
5255 } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
5256 reply_len = wpa_supplicant_ctrl_iface_list_creds(
5257 wpa_s, reply, reply_size);
5258 } else if (os_strcmp(buf, "ADD_CRED") == 0) {
5259 reply_len = wpa_supplicant_ctrl_iface_add_cred(
5260 wpa_s, reply, reply_size);
5261 } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
5262 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
5263 reply_len = -1;
5264 } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
5265 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
5266 reply_len = -1;
5267 #ifndef CONFIG_NO_CONFIG_WRITE
5268 } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
5269 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
5270 reply_len = -1;
5271 #endif /* CONFIG_NO_CONFIG_WRITE */
5272 } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
5273 reply_len = wpa_supplicant_ctrl_iface_get_capability(
5274 wpa_s, buf + 15, reply, reply_size);
5275 } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
5276 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
5277 reply_len = -1;
5278 } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
5279 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
5280 reply_len = -1;
5281 } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5282 reply_len = wpa_supplicant_global_iface_list(
5283 wpa_s->global, reply, reply_size);
5284 } else if (os_strcmp(buf, "INTERFACES") == 0) {
5285 reply_len = wpa_supplicant_global_iface_interfaces(
5286 wpa_s->global, reply, reply_size);
5287 } else if (os_strncmp(buf, "BSS ", 4) == 0) {
5288 reply_len = wpa_supplicant_ctrl_iface_bss(
5289 wpa_s, buf + 4, reply, reply_size);
5290 #ifdef CONFIG_AP
5291 } else if (os_strcmp(buf, "STA-FIRST") == 0) {
5292 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
5293 } else if (os_strncmp(buf, "STA ", 4) == 0) {
5294 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
5295 reply_size);
5296 } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
5297 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
5298 reply_size);
5299 } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
5300 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
5301 reply_len = -1;
5302 } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
5303 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
5304 reply_len = -1;
5305 #endif /* CONFIG_AP */
5306 } else if (os_strcmp(buf, "SUSPEND") == 0) {
5307 wpas_notify_suspend(wpa_s->global);
5308 } else if (os_strcmp(buf, "RESUME") == 0) {
5309 wpas_notify_resume(wpa_s->global);
5310 } else if (os_strcmp(buf, "DROP_SA") == 0) {
5311 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
5312 } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
5313 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
5314 reply_len = -1;
5315 } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
5316 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
5317 reply_len = -1;
5318 } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
5319 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
5320 reply_len = -1;
5321 } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
5322 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
5323 buf + 17))
5324 reply_len = -1;
5325 } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
5326 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
5327 reply_len = -1;
5328 #ifdef CONFIG_TDLS
5329 } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
5330 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
5331 reply_len = -1;
5332 } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
5333 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
5334 reply_len = -1;
5335 } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
5336 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
5337 reply_len = -1;
5338 #endif /* CONFIG_TDLS */
5339 } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
5340 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
5341 reply_size);
5342 } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
5343 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
5344 reply_size);
5345 #ifdef CONFIG_AUTOSCAN
5346 } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
5347 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
5348 reply_len = -1;
5349 #endif /* CONFIG_AUTOSCAN */
5350 } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
5351 pmksa_cache_clear_current(wpa_s->wpa);
5352 eapol_sm_request_reauth(wpa_s->eapol);
5353 #ifdef CONFIG_WNM
5354 } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
5355 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
5356 reply_len = -1;
5357 #endif /* CONFIG_WNM */
5358 } else {
5359 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5360 reply_len = 16;
5361 }
5362
5363 if (reply_len < 0) {
5364 os_memcpy(reply, "FAIL\n", 5);
5365 reply_len = 5;
5366 }
5367
5368 if (ctrl_rsp)
5369 eapol_sm_notify_ctrl_response(wpa_s->eapol);
5370
5371 *resp_len = reply_len;
5372 return reply;
5373 }
5374
5375
5376 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
5377 char *cmd)
5378 {
5379 struct wpa_interface iface;
5380 char *pos;
5381
5382 /*
5383 * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
5384 * TAB<bridge_ifname>
5385 */
5386 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
5387
5388 os_memset(&iface, 0, sizeof(iface));
5389
5390 do {
5391 iface.ifname = pos = cmd;
5392 pos = os_strchr(pos, '\t');
5393 if (pos)
5394 *pos++ = '\0';
5395 if (iface.ifname[0] == '\0')
5396 return -1;
5397 if (pos == NULL)
5398 break;
5399
5400 iface.confname = pos;
5401 pos = os_strchr(pos, '\t');
5402 if (pos)
5403 *pos++ = '\0';
5404 if (iface.confname[0] == '\0')
5405 iface.confname = NULL;
5406 if (pos == NULL)
5407 break;
5408
5409 iface.driver = pos;
5410 pos = os_strchr(pos, '\t');
5411 if (pos)
5412 *pos++ = '\0';
5413 if (iface.driver[0] == '\0')
5414 iface.driver = NULL;
5415 if (pos == NULL)
5416 break;
5417
5418 iface.ctrl_interface = pos;
5419 pos = os_strchr(pos, '\t');
5420 if (pos)
5421 *pos++ = '\0';
5422 if (iface.ctrl_interface[0] == '\0')
5423 iface.ctrl_interface = NULL;
5424 if (pos == NULL)
5425 break;
5426
5427 iface.driver_param = pos;
5428 pos = os_strchr(pos, '\t');
5429 if (pos)
5430 *pos++ = '\0';
5431 if (iface.driver_param[0] == '\0')
5432 iface.driver_param = NULL;
5433 if (pos == NULL)
5434 break;
5435
5436 iface.bridge_ifname = pos;
5437 pos = os_strchr(pos, '\t');
5438 if (pos)
5439 *pos++ = '\0';
5440 if (iface.bridge_ifname[0] == '\0')
5441 iface.bridge_ifname = NULL;
5442 if (pos == NULL)
5443 break;
5444 } while (0);
5445
5446 if (wpa_supplicant_get_iface(global, iface.ifname))
5447 return -1;
5448
5449 return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
5450 }
5451
5452
5453 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
5454 char *cmd)
5455 {
5456 struct wpa_supplicant *wpa_s;
5457
5458 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
5459
5460 wpa_s = wpa_supplicant_get_iface(global, cmd);
5461 if (wpa_s == NULL)
5462 return -1;
5463 return wpa_supplicant_remove_iface(global, wpa_s, 0);
5464 }
5465
5466
5467 static void wpa_free_iface_info(struct wpa_interface_info *iface)
5468 {
5469 struct wpa_interface_info *prev;
5470
5471 while (iface) {
5472 prev = iface;
5473 iface = iface->next;
5474
5475 os_free(prev->ifname);
5476 os_free(prev->desc);
5477 os_free(prev);
5478 }
5479 }
5480
5481
5482 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
5483 char *buf, int len)
5484 {
5485 int i, res;
5486 struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
5487 char *pos, *end;
5488
5489 for (i = 0; wpa_drivers[i]; i++) {
5490 struct wpa_driver_ops *drv = wpa_drivers[i];
5491 if (drv->get_interfaces == NULL)
5492 continue;
5493 tmp = drv->get_interfaces(global->drv_priv[i]);
5494 if (tmp == NULL)
5495 continue;
5496
5497 if (last == NULL)
5498 iface = last = tmp;
5499 else
5500 last->next = tmp;
5501 while (last->next)
5502 last = last->next;
5503 }
5504
5505 pos = buf;
5506 end = buf + len;
5507 for (tmp = iface; tmp; tmp = tmp->next) {
5508 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
5509 tmp->drv_name, tmp->ifname,
5510 tmp->desc ? tmp->desc : "");
5511 if (res < 0 || res >= end - pos) {
5512 *pos = '\0';
5513 break;
5514 }
5515 pos += res;
5516 }
5517
5518 wpa_free_iface_info(iface);
5519
5520 return pos - buf;
5521 }
5522
5523
5524 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
5525 char *buf, int len)
5526 {
5527 int res;
5528 char *pos, *end;
5529 struct wpa_supplicant *wpa_s;
5530
5531 wpa_s = global->ifaces;
5532 pos = buf;
5533 end = buf + len;
5534
5535 while (wpa_s) {
5536 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
5537 if (res < 0 || res >= end - pos) {
5538 *pos = '\0';
5539 break;
5540 }
5541 pos += res;
5542 wpa_s = wpa_s->next;
5543 }
5544 return pos - buf;
5545 }
5546
5547
5548 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
5549 char *buf, size_t *resp_len)
5550 {
5551 char *reply;
5552 const int reply_size = 2048;
5553 int reply_len;
5554 int level = MSG_DEBUG;
5555
5556 if (os_strcmp(buf, "PING") == 0)
5557 level = MSG_EXCESSIVE;
5558 wpa_hexdump_ascii(level, "RX global ctrl_iface",
5559 (const u8 *) buf, os_strlen(buf));
5560
5561 reply = os_malloc(reply_size);
5562 if (reply == NULL) {
5563 *resp_len = 1;
5564 return NULL;
5565 }
5566
5567 os_memcpy(reply, "OK\n", 3);
5568 reply_len = 3;
5569
5570 if (os_strcmp(buf, "PING") == 0) {
5571 os_memcpy(reply, "PONG\n", 5);
5572 reply_len = 5;
5573 } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
5574 if (wpa_supplicant_global_iface_add(global, buf + 14))
5575 reply_len = -1;
5576 } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
5577 if (wpa_supplicant_global_iface_remove(global, buf + 17))
5578 reply_len = -1;
5579 } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5580 reply_len = wpa_supplicant_global_iface_list(
5581 global, reply, reply_size);
5582 } else if (os_strcmp(buf, "INTERFACES") == 0) {
5583 reply_len = wpa_supplicant_global_iface_interfaces(
5584 global, reply, reply_size);
5585 } else if (os_strcmp(buf, "TERMINATE") == 0) {
5586 wpa_supplicant_terminate_proc(global);
5587 } else if (os_strcmp(buf, "SUSPEND") == 0) {
5588 wpas_notify_suspend(global);
5589 } else if (os_strcmp(buf, "RESUME") == 0) {
5590 wpas_notify_resume(global);
5591 } else {
5592 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5593 reply_len = 16;
5594 }
5595
5596 if (reply_len < 0) {
5597 os_memcpy(reply, "FAIL\n", 5);
5598 reply_len = 5;
5599 }
5600
5601 *resp_len = reply_len;
5602 return reply;
5603 }
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