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
pno_start(struct wpa_supplicant * wpa_s)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(¶ms, 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, ¶ms, 10 * 1000);
112 os_free(params.filter_ssids);
113 if (ret == 0)
114 wpa_s->pno = 1;
115 return ret;
116 }
117
118
pno_stop(struct wpa_supplicant * wpa_s)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
set_bssid_filter(struct wpa_supplicant * wpa_s,char * val)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
set_disallow_aps(struct wpa_supplicant * wpa_s,char * val)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
wpa_supplicant_ctrl_iface_set(struct wpa_supplicant * wpa_s,char * cmd)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
wpa_supplicant_ctrl_iface_get(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)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
wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant * wpa_s,char * addr)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) */
wpa_supplicant_ctrl_iface_stkstart(struct wpa_supplicant * wpa_s,char * addr)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
wpa_supplicant_ctrl_iface_tdls_discover(struct wpa_supplicant * wpa_s,char * addr)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
wpa_supplicant_ctrl_iface_tdls_setup(struct wpa_supplicant * wpa_s,char * addr)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
wpa_supplicant_ctrl_iface_tdls_teardown(struct wpa_supplicant * wpa_s,char * addr)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
wpa_supplicant_ctrl_iface_ft_ds(struct wpa_supplicant * wpa_s,char * addr)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
wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant * wpa_s,char * cmd)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 || cmd[0] == '\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
wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)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
wpa_supplicant_ctrl_iface_wps_check_pin(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)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
wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant * wpa_s,char * cmd)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
wpa_supplicant_ctrl_iface_wps_nfc_config_token(struct wpa_supplicant * wpa_s,char * cmd,char * reply,size_t max_len)781 static int wpa_supplicant_ctrl_iface_wps_nfc_config_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 char *pos;
788
789 pos = os_strchr(cmd, ' ');
790 if (pos)
791 *pos++ = '\0';
792 if (os_strcmp(cmd, "WPS") == 0)
793 ndef = 0;
794 else if (os_strcmp(cmd, "NDEF") == 0)
795 ndef = 1;
796 else
797 return -1;
798
799 buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
800 if (buf == NULL)
801 return -1;
802
803 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
804 wpabuf_len(buf));
805 reply[res++] = '\n';
806 reply[res] = '\0';
807
808 wpabuf_free(buf);
809
810 return res;
811 }
812
813
wpa_supplicant_ctrl_iface_wps_nfc_token(struct wpa_supplicant * wpa_s,char * cmd,char * reply,size_t max_len)814 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
815 struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
816 {
817 int ndef;
818 struct wpabuf *buf;
819 int res;
820
821 if (os_strcmp(cmd, "WPS") == 0)
822 ndef = 0;
823 else if (os_strcmp(cmd, "NDEF") == 0)
824 ndef = 1;
825 else
826 return -1;
827
828 buf = wpas_wps_nfc_token(wpa_s, ndef);
829 if (buf == NULL)
830 return -1;
831
832 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
833 wpabuf_len(buf));
834 reply[res++] = '\n';
835 reply[res] = '\0';
836
837 wpabuf_free(buf);
838
839 return res;
840 }
841
842
wpa_supplicant_ctrl_iface_wps_nfc_tag_read(struct wpa_supplicant * wpa_s,char * pos)843 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
844 struct wpa_supplicant *wpa_s, char *pos)
845 {
846 size_t len;
847 struct wpabuf *buf;
848 int ret;
849
850 len = os_strlen(pos);
851 if (len & 0x01)
852 return -1;
853 len /= 2;
854
855 buf = wpabuf_alloc(len);
856 if (buf == NULL)
857 return -1;
858 if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
859 wpabuf_free(buf);
860 return -1;
861 }
862
863 ret = wpas_wps_nfc_tag_read(wpa_s, buf);
864 wpabuf_free(buf);
865
866 return ret;
867 }
868
869
wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant * wpa_s,char * reply,size_t max_len,int cr)870 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
871 char *reply, size_t max_len,
872 int cr)
873 {
874 struct wpabuf *buf;
875 int res;
876
877 buf = wpas_wps_nfc_handover_req(wpa_s, cr);
878 if (buf == NULL)
879 return -1;
880
881 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
882 wpabuf_len(buf));
883 reply[res++] = '\n';
884 reply[res] = '\0';
885
886 wpabuf_free(buf);
887
888 return res;
889 }
890
891
wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant * wpa_s,char * cmd,char * reply,size_t max_len)892 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
893 char *cmd, char *reply,
894 size_t max_len)
895 {
896 char *pos;
897
898 pos = os_strchr(cmd, ' ');
899 if (pos == NULL)
900 return -1;
901 *pos++ = '\0';
902
903 if (os_strcmp(cmd, "NDEF") != 0)
904 return -1;
905
906 if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
907 return wpas_ctrl_nfc_get_handover_req_wps(
908 wpa_s, reply, max_len, os_strcmp(pos, "WPS-CR") == 0);
909 }
910
911 return -1;
912 }
913
914
wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant * wpa_s,char * reply,size_t max_len,int ndef,int cr,char * uuid)915 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
916 char *reply, size_t max_len,
917 int ndef, int cr, char *uuid)
918 {
919 struct wpabuf *buf;
920 int res;
921
922 buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
923 if (buf == NULL)
924 return -1;
925
926 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
927 wpabuf_len(buf));
928 reply[res++] = '\n';
929 reply[res] = '\0';
930
931 wpabuf_free(buf);
932
933 return res;
934 }
935
936
wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant * wpa_s,char * cmd,char * reply,size_t max_len)937 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
938 char *cmd, char *reply,
939 size_t max_len)
940 {
941 char *pos, *pos2;
942 int ndef;
943
944 pos = os_strchr(cmd, ' ');
945 if (pos == NULL)
946 return -1;
947 *pos++ = '\0';
948
949 if (os_strcmp(cmd, "WPS") == 0)
950 ndef = 0;
951 else if (os_strcmp(cmd, "NDEF") == 0)
952 ndef = 1;
953 else
954 return -1;
955
956 pos2 = os_strchr(pos, ' ');
957 if (pos2)
958 *pos2++ = '\0';
959 if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
960 return wpas_ctrl_nfc_get_handover_sel_wps(
961 wpa_s, reply, max_len, ndef,
962 os_strcmp(pos, "WPS-CR") == 0, pos2);
963 }
964
965 return -1;
966 }
967
968
wpas_ctrl_nfc_rx_handover_req(struct wpa_supplicant * wpa_s,char * cmd,char * reply,size_t max_len)969 static int wpas_ctrl_nfc_rx_handover_req(struct wpa_supplicant *wpa_s,
970 char *cmd, char *reply,
971 size_t max_len)
972 {
973 size_t len;
974 struct wpabuf *buf;
975 int ret;
976
977 len = os_strlen(cmd);
978 if (len & 0x01)
979 return -1;
980 len /= 2;
981
982 buf = wpabuf_alloc(len);
983 if (buf == NULL)
984 return -1;
985 if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
986 wpabuf_free(buf);
987 return -1;
988 }
989
990 ret = wpas_wps_nfc_rx_handover_req(wpa_s, buf);
991 wpabuf_free(buf);
992
993 return ret;
994 }
995
996
wpas_ctrl_nfc_rx_handover_sel(struct wpa_supplicant * wpa_s,char * cmd)997 static int wpas_ctrl_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
998 char *cmd)
999 {
1000 size_t len;
1001 struct wpabuf *buf;
1002 int ret;
1003
1004 len = os_strlen(cmd);
1005 if (len & 0x01)
1006 return -1;
1007 len /= 2;
1008
1009 buf = wpabuf_alloc(len);
1010 if (buf == NULL)
1011 return -1;
1012 if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
1013 wpabuf_free(buf);
1014 return -1;
1015 }
1016
1017 ret = wpas_wps_nfc_rx_handover_sel(wpa_s, buf);
1018 wpabuf_free(buf);
1019
1020 return ret;
1021 }
1022
1023
wpas_ctrl_nfc_report_handover(struct wpa_supplicant * wpa_s,char * cmd)1024 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1025 char *cmd)
1026 {
1027 size_t len;
1028 struct wpabuf *req, *sel;
1029 int ret;
1030 char *pos, *role, *type, *pos2;
1031
1032 role = cmd;
1033 pos = os_strchr(role, ' ');
1034 if (pos == NULL)
1035 return -1;
1036 *pos++ = '\0';
1037
1038 type = pos;
1039 pos = os_strchr(type, ' ');
1040 if (pos == NULL)
1041 return -1;
1042 *pos++ = '\0';
1043
1044 pos2 = os_strchr(pos, ' ');
1045 if (pos2 == NULL)
1046 return -1;
1047 *pos2++ = '\0';
1048
1049 len = os_strlen(pos);
1050 if (len & 0x01)
1051 return -1;
1052 len /= 2;
1053
1054 req = wpabuf_alloc(len);
1055 if (req == NULL)
1056 return -1;
1057 if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1058 wpabuf_free(req);
1059 return -1;
1060 }
1061
1062 len = os_strlen(pos2);
1063 if (len & 0x01) {
1064 wpabuf_free(req);
1065 return -1;
1066 }
1067 len /= 2;
1068
1069 sel = wpabuf_alloc(len);
1070 if (sel == NULL) {
1071 wpabuf_free(req);
1072 return -1;
1073 }
1074 if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1075 wpabuf_free(req);
1076 wpabuf_free(sel);
1077 return -1;
1078 }
1079
1080 if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1081 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1082 } else {
1083 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1084 "reported: role=%s type=%s", role, type);
1085 ret = -1;
1086 }
1087 wpabuf_free(req);
1088 wpabuf_free(sel);
1089
1090 return ret;
1091 }
1092
1093 #endif /* CONFIG_WPS_NFC */
1094
1095
wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant * wpa_s,char * cmd)1096 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1097 char *cmd)
1098 {
1099 u8 bssid[ETH_ALEN];
1100 char *pin;
1101 char *new_ssid;
1102 char *new_auth;
1103 char *new_encr;
1104 char *new_key;
1105 struct wps_new_ap_settings ap;
1106
1107 pin = os_strchr(cmd, ' ');
1108 if (pin == NULL)
1109 return -1;
1110 *pin++ = '\0';
1111
1112 if (hwaddr_aton(cmd, bssid)) {
1113 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1114 cmd);
1115 return -1;
1116 }
1117
1118 new_ssid = os_strchr(pin, ' ');
1119 if (new_ssid == NULL)
1120 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1121 *new_ssid++ = '\0';
1122
1123 new_auth = os_strchr(new_ssid, ' ');
1124 if (new_auth == NULL)
1125 return -1;
1126 *new_auth++ = '\0';
1127
1128 new_encr = os_strchr(new_auth, ' ');
1129 if (new_encr == NULL)
1130 return -1;
1131 *new_encr++ = '\0';
1132
1133 new_key = os_strchr(new_encr, ' ');
1134 if (new_key == NULL)
1135 return -1;
1136 *new_key++ = '\0';
1137
1138 os_memset(&ap, 0, sizeof(ap));
1139 ap.ssid_hex = new_ssid;
1140 ap.auth = new_auth;
1141 ap.encr = new_encr;
1142 ap.key_hex = new_key;
1143 return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1144 }
1145
1146
1147 #ifdef CONFIG_AP
wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)1148 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1149 char *cmd, char *buf,
1150 size_t buflen)
1151 {
1152 int timeout = 300;
1153 char *pos;
1154 const char *pin_txt;
1155
1156 if (!wpa_s->ap_iface)
1157 return -1;
1158
1159 pos = os_strchr(cmd, ' ');
1160 if (pos)
1161 *pos++ = '\0';
1162
1163 if (os_strcmp(cmd, "disable") == 0) {
1164 wpas_wps_ap_pin_disable(wpa_s);
1165 return os_snprintf(buf, buflen, "OK\n");
1166 }
1167
1168 if (os_strcmp(cmd, "random") == 0) {
1169 if (pos)
1170 timeout = atoi(pos);
1171 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1172 if (pin_txt == NULL)
1173 return -1;
1174 return os_snprintf(buf, buflen, "%s", pin_txt);
1175 }
1176
1177 if (os_strcmp(cmd, "get") == 0) {
1178 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1179 if (pin_txt == NULL)
1180 return -1;
1181 return os_snprintf(buf, buflen, "%s", pin_txt);
1182 }
1183
1184 if (os_strcmp(cmd, "set") == 0) {
1185 char *pin;
1186 if (pos == NULL)
1187 return -1;
1188 pin = pos;
1189 pos = os_strchr(pos, ' ');
1190 if (pos) {
1191 *pos++ = '\0';
1192 timeout = atoi(pos);
1193 }
1194 if (os_strlen(pin) > buflen)
1195 return -1;
1196 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1197 return -1;
1198 return os_snprintf(buf, buflen, "%s", pin);
1199 }
1200
1201 return -1;
1202 }
1203 #endif /* CONFIG_AP */
1204
1205
1206 #ifdef CONFIG_WPS_ER
wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant * wpa_s,char * cmd)1207 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1208 char *cmd)
1209 {
1210 char *uuid = cmd, *pin, *pos;
1211 u8 addr_buf[ETH_ALEN], *addr = NULL;
1212 pin = os_strchr(uuid, ' ');
1213 if (pin == NULL)
1214 return -1;
1215 *pin++ = '\0';
1216 pos = os_strchr(pin, ' ');
1217 if (pos) {
1218 *pos++ = '\0';
1219 if (hwaddr_aton(pos, addr_buf) == 0)
1220 addr = addr_buf;
1221 }
1222 return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1223 }
1224
1225
wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant * wpa_s,char * cmd)1226 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1227 char *cmd)
1228 {
1229 char *uuid = cmd, *pin;
1230 pin = os_strchr(uuid, ' ');
1231 if (pin == NULL)
1232 return -1;
1233 *pin++ = '\0';
1234 return wpas_wps_er_learn(wpa_s, uuid, pin);
1235 }
1236
1237
wpa_supplicant_ctrl_iface_wps_er_set_config(struct wpa_supplicant * wpa_s,char * cmd)1238 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1239 struct wpa_supplicant *wpa_s, char *cmd)
1240 {
1241 char *uuid = cmd, *id;
1242 id = os_strchr(uuid, ' ');
1243 if (id == NULL)
1244 return -1;
1245 *id++ = '\0';
1246 return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1247 }
1248
1249
wpa_supplicant_ctrl_iface_wps_er_config(struct wpa_supplicant * wpa_s,char * cmd)1250 static int wpa_supplicant_ctrl_iface_wps_er_config(
1251 struct wpa_supplicant *wpa_s, char *cmd)
1252 {
1253 char *pin;
1254 char *new_ssid;
1255 char *new_auth;
1256 char *new_encr;
1257 char *new_key;
1258 struct wps_new_ap_settings ap;
1259
1260 pin = os_strchr(cmd, ' ');
1261 if (pin == NULL)
1262 return -1;
1263 *pin++ = '\0';
1264
1265 new_ssid = os_strchr(pin, ' ');
1266 if (new_ssid == NULL)
1267 return -1;
1268 *new_ssid++ = '\0';
1269
1270 new_auth = os_strchr(new_ssid, ' ');
1271 if (new_auth == NULL)
1272 return -1;
1273 *new_auth++ = '\0';
1274
1275 new_encr = os_strchr(new_auth, ' ');
1276 if (new_encr == NULL)
1277 return -1;
1278 *new_encr++ = '\0';
1279
1280 new_key = os_strchr(new_encr, ' ');
1281 if (new_key == NULL)
1282 return -1;
1283 *new_key++ = '\0';
1284
1285 os_memset(&ap, 0, sizeof(ap));
1286 ap.ssid_hex = new_ssid;
1287 ap.auth = new_auth;
1288 ap.encr = new_encr;
1289 ap.key_hex = new_key;
1290 return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1291 }
1292
1293
1294 #ifdef CONFIG_WPS_NFC
wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(struct wpa_supplicant * wpa_s,char * cmd,char * reply,size_t max_len)1295 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1296 struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1297 {
1298 int ndef;
1299 struct wpabuf *buf;
1300 int res;
1301 char *uuid;
1302
1303 uuid = os_strchr(cmd, ' ');
1304 if (uuid == NULL)
1305 return -1;
1306 *uuid++ = '\0';
1307
1308 if (os_strcmp(cmd, "WPS") == 0)
1309 ndef = 0;
1310 else if (os_strcmp(cmd, "NDEF") == 0)
1311 ndef = 1;
1312 else
1313 return -1;
1314
1315 buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1316 if (buf == NULL)
1317 return -1;
1318
1319 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1320 wpabuf_len(buf));
1321 reply[res++] = '\n';
1322 reply[res] = '\0';
1323
1324 wpabuf_free(buf);
1325
1326 return res;
1327 }
1328 #endif /* CONFIG_WPS_NFC */
1329 #endif /* CONFIG_WPS_ER */
1330
1331 #endif /* CONFIG_WPS */
1332
1333
1334 #ifdef CONFIG_IBSS_RSN
wpa_supplicant_ctrl_iface_ibss_rsn(struct wpa_supplicant * wpa_s,char * addr)1335 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1336 struct wpa_supplicant *wpa_s, char *addr)
1337 {
1338 u8 peer[ETH_ALEN];
1339
1340 if (hwaddr_aton(addr, peer)) {
1341 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1342 "address '%s'", addr);
1343 return -1;
1344 }
1345
1346 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1347 MAC2STR(peer));
1348
1349 return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1350 }
1351 #endif /* CONFIG_IBSS_RSN */
1352
1353
wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant * wpa_s,char * rsp)1354 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1355 char *rsp)
1356 {
1357 #ifdef IEEE8021X_EAPOL
1358 char *pos, *id_pos;
1359 int id;
1360 struct wpa_ssid *ssid;
1361
1362 pos = os_strchr(rsp, '-');
1363 if (pos == NULL)
1364 return -1;
1365 *pos++ = '\0';
1366 id_pos = pos;
1367 pos = os_strchr(pos, ':');
1368 if (pos == NULL)
1369 return -1;
1370 *pos++ = '\0';
1371 id = atoi(id_pos);
1372 wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1373 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1374 (u8 *) pos, os_strlen(pos));
1375
1376 ssid = wpa_config_get_network(wpa_s->conf, id);
1377 if (ssid == NULL) {
1378 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1379 "to update", id);
1380 return -1;
1381 }
1382
1383 return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1384 pos);
1385 #else /* IEEE8021X_EAPOL */
1386 wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1387 return -1;
1388 #endif /* IEEE8021X_EAPOL */
1389 }
1390
1391
wpa_supplicant_ctrl_iface_status(struct wpa_supplicant * wpa_s,const char * params,char * buf,size_t buflen)1392 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1393 const char *params,
1394 char *buf, size_t buflen)
1395 {
1396 char *pos, *end, tmp[30];
1397 int res, verbose, wps, ret;
1398
1399 verbose = os_strcmp(params, "-VERBOSE") == 0;
1400 wps = os_strcmp(params, "-WPS") == 0;
1401 pos = buf;
1402 end = buf + buflen;
1403 if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1404 struct wpa_ssid *ssid = wpa_s->current_ssid;
1405 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1406 MAC2STR(wpa_s->bssid));
1407 if (ret < 0 || ret >= end - pos)
1408 return pos - buf;
1409 pos += ret;
1410 if (ssid) {
1411 u8 *_ssid = ssid->ssid;
1412 size_t ssid_len = ssid->ssid_len;
1413 u8 ssid_buf[MAX_SSID_LEN];
1414 if (ssid_len == 0) {
1415 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1416 if (_res < 0)
1417 ssid_len = 0;
1418 else
1419 ssid_len = _res;
1420 _ssid = ssid_buf;
1421 }
1422 ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1423 wpa_ssid_txt(_ssid, ssid_len),
1424 ssid->id);
1425 if (ret < 0 || ret >= end - pos)
1426 return pos - buf;
1427 pos += ret;
1428
1429 if (wps && ssid->passphrase &&
1430 wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1431 (ssid->mode == WPAS_MODE_AP ||
1432 ssid->mode == WPAS_MODE_P2P_GO)) {
1433 ret = os_snprintf(pos, end - pos,
1434 "passphrase=%s\n",
1435 ssid->passphrase);
1436 if (ret < 0 || ret >= end - pos)
1437 return pos - buf;
1438 pos += ret;
1439 }
1440 if (ssid->id_str) {
1441 ret = os_snprintf(pos, end - pos,
1442 "id_str=%s\n",
1443 ssid->id_str);
1444 if (ret < 0 || ret >= end - pos)
1445 return pos - buf;
1446 pos += ret;
1447 }
1448
1449 switch (ssid->mode) {
1450 case WPAS_MODE_INFRA:
1451 ret = os_snprintf(pos, end - pos,
1452 "mode=station\n");
1453 break;
1454 case WPAS_MODE_IBSS:
1455 ret = os_snprintf(pos, end - pos,
1456 "mode=IBSS\n");
1457 break;
1458 case WPAS_MODE_AP:
1459 ret = os_snprintf(pos, end - pos,
1460 "mode=AP\n");
1461 break;
1462 case WPAS_MODE_P2P_GO:
1463 ret = os_snprintf(pos, end - pos,
1464 "mode=P2P GO\n");
1465 break;
1466 case WPAS_MODE_P2P_GROUP_FORMATION:
1467 ret = os_snprintf(pos, end - pos,
1468 "mode=P2P GO - group "
1469 "formation\n");
1470 break;
1471 default:
1472 ret = 0;
1473 break;
1474 }
1475 if (ret < 0 || ret >= end - pos)
1476 return pos - buf;
1477 pos += ret;
1478 }
1479
1480 #ifdef CONFIG_AP
1481 if (wpa_s->ap_iface) {
1482 pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1483 end - pos,
1484 verbose);
1485 } else
1486 #endif /* CONFIG_AP */
1487 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1488 }
1489 #ifdef CONFIG_SAE
1490 if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1491 wpa_s->sme.sae.state == SAE_ACCEPTED && !wpa_s->ap_iface) {
1492 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1493 wpa_s->sme.sae.group);
1494 if (ret < 0 || ret >= end - pos)
1495 return pos - buf;
1496 pos += ret;
1497 }
1498 #endif /* CONFIG_SAE */
1499 ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1500 wpa_supplicant_state_txt(wpa_s->wpa_state));
1501 if (ret < 0 || ret >= end - pos)
1502 return pos - buf;
1503 pos += ret;
1504
1505 if (wpa_s->l2 &&
1506 l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1507 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1508 if (ret < 0 || ret >= end - pos)
1509 return pos - buf;
1510 pos += ret;
1511 }
1512
1513 #ifdef CONFIG_P2P
1514 if (wpa_s->global->p2p) {
1515 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1516 "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1517 if (ret < 0 || ret >= end - pos)
1518 return pos - buf;
1519 pos += ret;
1520 }
1521 #endif /* CONFIG_P2P */
1522
1523 ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1524 MAC2STR(wpa_s->own_addr));
1525 if (ret < 0 || ret >= end - pos)
1526 return pos - buf;
1527 pos += ret;
1528
1529 #ifdef CONFIG_HS20
1530 if (wpa_s->current_bss &&
1531 wpa_bss_get_vendor_ie(wpa_s->current_bss, HS20_IE_VENDOR_TYPE) &&
1532 wpa_s->wpa_proto == WPA_PROTO_RSN &&
1533 wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1534 ret = os_snprintf(pos, end - pos, "hs20=1\n");
1535 if (ret < 0 || ret >= end - pos)
1536 return pos - buf;
1537 pos += ret;
1538 }
1539
1540 if (wpa_s->current_ssid) {
1541 struct wpa_cred *cred;
1542 char *type;
1543
1544 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1545 if (wpa_s->current_ssid->parent_cred != cred)
1546 continue;
1547 if (!cred->domain)
1548 continue;
1549
1550 ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1551 cred->domain);
1552 if (ret < 0 || ret >= end - pos)
1553 return pos - buf;
1554 pos += ret;
1555
1556 if (wpa_s->current_bss == NULL ||
1557 wpa_s->current_bss->anqp == NULL)
1558 res = -1;
1559 else
1560 res = interworking_home_sp_cred(
1561 wpa_s, cred,
1562 wpa_s->current_bss->anqp->domain_name);
1563 if (res > 0)
1564 type = "home";
1565 else if (res == 0)
1566 type = "roaming";
1567 else
1568 type = "unknown";
1569
1570 ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1571 if (ret < 0 || ret >= end - pos)
1572 return pos - buf;
1573 pos += ret;
1574
1575 break;
1576 }
1577 }
1578 #endif /* CONFIG_HS20 */
1579
1580 if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1581 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1582 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1583 verbose);
1584 if (res >= 0)
1585 pos += res;
1586 }
1587
1588 res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1589 if (res >= 0)
1590 pos += res;
1591
1592 #ifdef ANDROID
1593 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
1594 "id=%d state=%d BSSID=" MACSTR " SSID=%s",
1595 wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
1596 wpa_s->wpa_state,
1597 MAC2STR(wpa_s->bssid),
1598 wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
1599 wpa_ssid_txt(wpa_s->current_ssid->ssid,
1600 wpa_s->current_ssid->ssid_len) : "");
1601 if (wpa_s->wpa_state == WPA_COMPLETED) {
1602 struct wpa_ssid *ssid = wpa_s->current_ssid;
1603 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED "- connection to "
1604 MACSTR " completed %s [id=%d id_str=%s]",
1605 MAC2STR(wpa_s->bssid), "(auth)",
1606 ssid ? ssid->id : -1,
1607 ssid && ssid->id_str ? ssid->id_str : "");
1608 }
1609 #endif /* ANDROID */
1610
1611 return pos - buf;
1612 }
1613
1614
wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant * wpa_s,char * cmd)1615 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1616 char *cmd)
1617 {
1618 char *pos;
1619 int id;
1620 struct wpa_ssid *ssid;
1621 u8 bssid[ETH_ALEN];
1622
1623 /* cmd: "<network id> <BSSID>" */
1624 pos = os_strchr(cmd, ' ');
1625 if (pos == NULL)
1626 return -1;
1627 *pos++ = '\0';
1628 id = atoi(cmd);
1629 wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1630 if (hwaddr_aton(pos, bssid)) {
1631 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1632 return -1;
1633 }
1634
1635 ssid = wpa_config_get_network(wpa_s->conf, id);
1636 if (ssid == NULL) {
1637 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1638 "to update", id);
1639 return -1;
1640 }
1641
1642 os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1643 ssid->bssid_set = !is_zero_ether_addr(bssid);
1644
1645 return 0;
1646 }
1647
1648
wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)1649 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1650 char *cmd, char *buf,
1651 size_t buflen)
1652 {
1653 u8 bssid[ETH_ALEN];
1654 struct wpa_blacklist *e;
1655 char *pos, *end;
1656 int ret;
1657
1658 /* cmd: "BLACKLIST [<BSSID>]" */
1659 if (*cmd == '\0') {
1660 pos = buf;
1661 end = buf + buflen;
1662 e = wpa_s->blacklist;
1663 while (e) {
1664 ret = os_snprintf(pos, end - pos, MACSTR "\n",
1665 MAC2STR(e->bssid));
1666 if (ret < 0 || ret >= end - pos)
1667 return pos - buf;
1668 pos += ret;
1669 e = e->next;
1670 }
1671 return pos - buf;
1672 }
1673
1674 cmd++;
1675 if (os_strncmp(cmd, "clear", 5) == 0) {
1676 wpa_blacklist_clear(wpa_s);
1677 os_memcpy(buf, "OK\n", 3);
1678 return 3;
1679 }
1680
1681 wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1682 if (hwaddr_aton(cmd, bssid)) {
1683 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1684 return -1;
1685 }
1686
1687 /*
1688 * Add the BSSID twice, so its count will be 2, causing it to be
1689 * skipped when processing scan results.
1690 */
1691 ret = wpa_blacklist_add(wpa_s, bssid);
1692 if (ret != 0)
1693 return -1;
1694 ret = wpa_blacklist_add(wpa_s, bssid);
1695 if (ret != 0)
1696 return -1;
1697 os_memcpy(buf, "OK\n", 3);
1698 return 3;
1699 }
1700
1701
1702 extern int wpa_debug_level;
1703 extern int wpa_debug_timestamp;
1704
debug_level_str(int level)1705 static const char * debug_level_str(int level)
1706 {
1707 switch (level) {
1708 case MSG_EXCESSIVE:
1709 return "EXCESSIVE";
1710 case MSG_MSGDUMP:
1711 return "MSGDUMP";
1712 case MSG_DEBUG:
1713 return "DEBUG";
1714 case MSG_INFO:
1715 return "INFO";
1716 case MSG_WARNING:
1717 return "WARNING";
1718 case MSG_ERROR:
1719 return "ERROR";
1720 default:
1721 return "?";
1722 }
1723 }
1724
1725
str_to_debug_level(const char * s)1726 static int str_to_debug_level(const char *s)
1727 {
1728 if (os_strcasecmp(s, "EXCESSIVE") == 0)
1729 return MSG_EXCESSIVE;
1730 if (os_strcasecmp(s, "MSGDUMP") == 0)
1731 return MSG_MSGDUMP;
1732 if (os_strcasecmp(s, "DEBUG") == 0)
1733 return MSG_DEBUG;
1734 if (os_strcasecmp(s, "INFO") == 0)
1735 return MSG_INFO;
1736 if (os_strcasecmp(s, "WARNING") == 0)
1737 return MSG_WARNING;
1738 if (os_strcasecmp(s, "ERROR") == 0)
1739 return MSG_ERROR;
1740 return -1;
1741 }
1742
1743
wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)1744 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1745 char *cmd, char *buf,
1746 size_t buflen)
1747 {
1748 char *pos, *end, *stamp;
1749 int ret;
1750
1751 if (cmd == NULL) {
1752 return -1;
1753 }
1754
1755 /* cmd: "LOG_LEVEL [<level>]" */
1756 if (*cmd == '\0') {
1757 pos = buf;
1758 end = buf + buflen;
1759 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1760 "Timestamp: %d\n",
1761 debug_level_str(wpa_debug_level),
1762 wpa_debug_timestamp);
1763 if (ret < 0 || ret >= end - pos)
1764 ret = 0;
1765
1766 return ret;
1767 }
1768
1769 while (*cmd == ' ')
1770 cmd++;
1771
1772 stamp = os_strchr(cmd, ' ');
1773 if (stamp) {
1774 *stamp++ = '\0';
1775 while (*stamp == ' ') {
1776 stamp++;
1777 }
1778 }
1779
1780 if (cmd && os_strlen(cmd)) {
1781 int level = str_to_debug_level(cmd);
1782 if (level < 0)
1783 return -1;
1784 wpa_debug_level = level;
1785 }
1786
1787 if (stamp && os_strlen(stamp))
1788 wpa_debug_timestamp = atoi(stamp);
1789
1790 os_memcpy(buf, "OK\n", 3);
1791 return 3;
1792 }
1793
1794
wpa_supplicant_ctrl_iface_list_networks(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)1795 static int wpa_supplicant_ctrl_iface_list_networks(
1796 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1797 {
1798 char *pos, *end;
1799 struct wpa_ssid *ssid;
1800 int ret;
1801
1802 pos = buf;
1803 end = buf + buflen;
1804 ret = os_snprintf(pos, end - pos,
1805 "network id / ssid / bssid / flags\n");
1806 if (ret < 0 || ret >= end - pos)
1807 return pos - buf;
1808 pos += ret;
1809
1810 ssid = wpa_s->conf->ssid;
1811 while (ssid) {
1812 ret = os_snprintf(pos, end - pos, "%d\t%s",
1813 ssid->id,
1814 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1815 if (ret < 0 || ret >= end - pos)
1816 return pos - buf;
1817 pos += ret;
1818 if (ssid->bssid_set) {
1819 ret = os_snprintf(pos, end - pos, "\t" MACSTR,
1820 MAC2STR(ssid->bssid));
1821 } else {
1822 ret = os_snprintf(pos, end - pos, "\tany");
1823 }
1824 if (ret < 0 || ret >= end - pos)
1825 return pos - buf;
1826 pos += ret;
1827 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
1828 ssid == wpa_s->current_ssid ?
1829 "[CURRENT]" : "",
1830 ssid->disabled ? "[DISABLED]" : "",
1831 ssid->disabled_until.sec ?
1832 "[TEMP-DISABLED]" : "",
1833 ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
1834 "");
1835 if (ret < 0 || ret >= end - pos)
1836 return pos - buf;
1837 pos += ret;
1838 ret = os_snprintf(pos, end - pos, "\n");
1839 if (ret < 0 || ret >= end - pos)
1840 return pos - buf;
1841 pos += ret;
1842
1843 ssid = ssid->next;
1844 }
1845
1846 return pos - buf;
1847 }
1848
1849
wpa_supplicant_cipher_txt(char * pos,char * end,int cipher)1850 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
1851 {
1852 int ret;
1853 ret = os_snprintf(pos, end - pos, "-");
1854 if (ret < 0 || ret >= end - pos)
1855 return pos;
1856 pos += ret;
1857 ret = wpa_write_ciphers(pos, end, cipher, "+");
1858 if (ret < 0)
1859 return pos;
1860 pos += ret;
1861 return pos;
1862 }
1863
1864
wpa_supplicant_ie_txt(char * pos,char * end,const char * proto,const u8 * ie,size_t ie_len)1865 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
1866 const u8 *ie, size_t ie_len)
1867 {
1868 struct wpa_ie_data data;
1869 int first, ret;
1870
1871 ret = os_snprintf(pos, end - pos, "[%s-", proto);
1872 if (ret < 0 || ret >= end - pos)
1873 return pos;
1874 pos += ret;
1875
1876 if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
1877 ret = os_snprintf(pos, end - pos, "?]");
1878 if (ret < 0 || ret >= end - pos)
1879 return pos;
1880 pos += ret;
1881 return pos;
1882 }
1883
1884 first = 1;
1885 if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
1886 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
1887 if (ret < 0 || ret >= end - pos)
1888 return pos;
1889 pos += ret;
1890 first = 0;
1891 }
1892 if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
1893 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
1894 if (ret < 0 || ret >= end - pos)
1895 return pos;
1896 pos += ret;
1897 first = 0;
1898 }
1899 if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
1900 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
1901 if (ret < 0 || ret >= end - pos)
1902 return pos;
1903 pos += ret;
1904 first = 0;
1905 }
1906 #ifdef CONFIG_IEEE80211R
1907 if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
1908 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
1909 first ? "" : "+");
1910 if (ret < 0 || ret >= end - pos)
1911 return pos;
1912 pos += ret;
1913 first = 0;
1914 }
1915 if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
1916 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
1917 first ? "" : "+");
1918 if (ret < 0 || ret >= end - pos)
1919 return pos;
1920 pos += ret;
1921 first = 0;
1922 }
1923 #endif /* CONFIG_IEEE80211R */
1924 #ifdef CONFIG_IEEE80211W
1925 if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
1926 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
1927 first ? "" : "+");
1928 if (ret < 0 || ret >= end - pos)
1929 return pos;
1930 pos += ret;
1931 first = 0;
1932 }
1933 if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
1934 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
1935 first ? "" : "+");
1936 if (ret < 0 || ret >= end - pos)
1937 return pos;
1938 pos += ret;
1939 first = 0;
1940 }
1941 #endif /* CONFIG_IEEE80211W */
1942
1943 pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
1944
1945 if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
1946 ret = os_snprintf(pos, end - pos, "-preauth");
1947 if (ret < 0 || ret >= end - pos)
1948 return pos;
1949 pos += ret;
1950 }
1951
1952 ret = os_snprintf(pos, end - pos, "]");
1953 if (ret < 0 || ret >= end - pos)
1954 return pos;
1955 pos += ret;
1956
1957 return pos;
1958 }
1959
1960
1961 #ifdef CONFIG_WPS
wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant * wpa_s,char * pos,char * end,struct wpabuf * wps_ie)1962 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
1963 char *pos, char *end,
1964 struct wpabuf *wps_ie)
1965 {
1966 int ret;
1967 const char *txt;
1968
1969 if (wps_ie == NULL)
1970 return pos;
1971 if (wps_is_selected_pbc_registrar(wps_ie))
1972 txt = "[WPS-PBC]";
1973 #ifdef CONFIG_WPS2
1974 else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
1975 txt = "[WPS-AUTH]";
1976 #endif /* CONFIG_WPS2 */
1977 else if (wps_is_selected_pin_registrar(wps_ie))
1978 txt = "[WPS-PIN]";
1979 else
1980 txt = "[WPS]";
1981
1982 ret = os_snprintf(pos, end - pos, "%s", txt);
1983 if (ret >= 0 && ret < end - pos)
1984 pos += ret;
1985 wpabuf_free(wps_ie);
1986 return pos;
1987 }
1988 #endif /* CONFIG_WPS */
1989
1990
wpa_supplicant_wps_ie_txt(struct wpa_supplicant * wpa_s,char * pos,char * end,const struct wpa_bss * bss)1991 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
1992 char *pos, char *end,
1993 const struct wpa_bss *bss)
1994 {
1995 #ifdef CONFIG_WPS
1996 struct wpabuf *wps_ie;
1997 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1998 return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
1999 #else /* CONFIG_WPS */
2000 return pos;
2001 #endif /* CONFIG_WPS */
2002 }
2003
2004
2005 /* Format one result on one text line into a buffer. */
wpa_supplicant_ctrl_iface_scan_result(struct wpa_supplicant * wpa_s,const struct wpa_bss * bss,char * buf,size_t buflen)2006 static int wpa_supplicant_ctrl_iface_scan_result(
2007 struct wpa_supplicant *wpa_s,
2008 const struct wpa_bss *bss, char *buf, size_t buflen)
2009 {
2010 char *pos, *end;
2011 int ret;
2012 const u8 *ie, *ie2, *p2p;
2013
2014 p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2015 if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2016 os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2017 0)
2018 return 0; /* Do not show P2P listen discovery results here */
2019
2020 pos = buf;
2021 end = buf + buflen;
2022
2023 ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2024 MAC2STR(bss->bssid), bss->freq, bss->level);
2025 if (ret < 0 || ret >= end - pos)
2026 return -1;
2027 pos += ret;
2028 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2029 if (ie)
2030 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2031 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2032 if (ie2)
2033 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
2034 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2035 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2036 ret = os_snprintf(pos, end - pos, "[WEP]");
2037 if (ret < 0 || ret >= end - pos)
2038 return -1;
2039 pos += ret;
2040 }
2041 if (bss->caps & IEEE80211_CAP_IBSS) {
2042 ret = os_snprintf(pos, end - pos, "[IBSS]");
2043 if (ret < 0 || ret >= end - pos)
2044 return -1;
2045 pos += ret;
2046 }
2047 if (bss->caps & IEEE80211_CAP_ESS) {
2048 ret = os_snprintf(pos, end - pos, "[ESS]");
2049 if (ret < 0 || ret >= end - pos)
2050 return -1;
2051 pos += ret;
2052 }
2053 if (p2p) {
2054 ret = os_snprintf(pos, end - pos, "[P2P]");
2055 if (ret < 0 || ret >= end - pos)
2056 return -1;
2057 pos += ret;
2058 }
2059 #ifdef CONFIG_HS20
2060 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2061 ret = os_snprintf(pos, end - pos, "[HS20]");
2062 if (ret < 0 || ret >= end - pos)
2063 return -1;
2064 pos += ret;
2065 }
2066 #endif /* CONFIG_HS20 */
2067
2068 ret = os_snprintf(pos, end - pos, "\t%s",
2069 wpa_ssid_txt(bss->ssid, bss->ssid_len));
2070 if (ret < 0 || ret >= end - pos)
2071 return -1;
2072 pos += ret;
2073
2074 ret = os_snprintf(pos, end - pos, "\n");
2075 if (ret < 0 || ret >= end - pos)
2076 return -1;
2077 pos += ret;
2078
2079 return pos - buf;
2080 }
2081
2082
wpa_supplicant_ctrl_iface_scan_results(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)2083 static int wpa_supplicant_ctrl_iface_scan_results(
2084 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2085 {
2086 char *pos, *end;
2087 struct wpa_bss *bss;
2088 int ret;
2089
2090 pos = buf;
2091 end = buf + buflen;
2092 ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2093 "flags / ssid\n");
2094 if (ret < 0 || ret >= end - pos)
2095 return pos - buf;
2096 pos += ret;
2097
2098 dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2099 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2100 end - pos);
2101 if (ret < 0 || ret >= end - pos)
2102 return pos - buf;
2103 pos += ret;
2104 }
2105
2106 return pos - buf;
2107 }
2108
2109
wpa_supplicant_ctrl_iface_select_network(struct wpa_supplicant * wpa_s,char * cmd)2110 static int wpa_supplicant_ctrl_iface_select_network(
2111 struct wpa_supplicant *wpa_s, char *cmd)
2112 {
2113 int id;
2114 struct wpa_ssid *ssid;
2115
2116 /* cmd: "<network id>" or "any" */
2117 if (os_strcmp(cmd, "any") == 0) {
2118 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2119 ssid = NULL;
2120 } else {
2121 id = atoi(cmd);
2122 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2123
2124 ssid = wpa_config_get_network(wpa_s->conf, id);
2125 if (ssid == NULL) {
2126 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2127 "network id=%d", id);
2128 return -1;
2129 }
2130 if (ssid->disabled == 2) {
2131 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2132 "SELECT_NETWORK with persistent P2P group");
2133 return -1;
2134 }
2135 }
2136
2137 wpa_supplicant_select_network(wpa_s, ssid);
2138
2139 return 0;
2140 }
2141
2142
wpa_supplicant_ctrl_iface_enable_network(struct wpa_supplicant * wpa_s,char * cmd)2143 static int wpa_supplicant_ctrl_iface_enable_network(
2144 struct wpa_supplicant *wpa_s, char *cmd)
2145 {
2146 int id;
2147 struct wpa_ssid *ssid;
2148
2149 /* cmd: "<network id>" or "all" */
2150 if (os_strcmp(cmd, "all") == 0) {
2151 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2152 ssid = NULL;
2153 } else {
2154 id = atoi(cmd);
2155 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2156
2157 ssid = wpa_config_get_network(wpa_s->conf, id);
2158 if (ssid == NULL) {
2159 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2160 "network id=%d", id);
2161 return -1;
2162 }
2163 if (ssid->disabled == 2) {
2164 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2165 "ENABLE_NETWORK with persistent P2P group");
2166 return -1;
2167 }
2168
2169 if (os_strstr(cmd, " no-connect")) {
2170 ssid->disabled = 0;
2171 return 0;
2172 }
2173 }
2174 wpa_supplicant_enable_network(wpa_s, ssid);
2175
2176 return 0;
2177 }
2178
2179
wpa_supplicant_ctrl_iface_disable_network(struct wpa_supplicant * wpa_s,char * cmd)2180 static int wpa_supplicant_ctrl_iface_disable_network(
2181 struct wpa_supplicant *wpa_s, char *cmd)
2182 {
2183 int id;
2184 struct wpa_ssid *ssid;
2185
2186 /* cmd: "<network id>" or "all" */
2187 if (os_strcmp(cmd, "all") == 0) {
2188 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2189 ssid = NULL;
2190 } else {
2191 id = atoi(cmd);
2192 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2193
2194 ssid = wpa_config_get_network(wpa_s->conf, id);
2195 if (ssid == NULL) {
2196 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2197 "network id=%d", id);
2198 return -1;
2199 }
2200 if (ssid->disabled == 2) {
2201 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2202 "DISABLE_NETWORK with persistent P2P "
2203 "group");
2204 return -1;
2205 }
2206 }
2207 wpa_supplicant_disable_network(wpa_s, ssid);
2208
2209 return 0;
2210 }
2211
2212
wpa_supplicant_ctrl_iface_add_network(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)2213 static int wpa_supplicant_ctrl_iface_add_network(
2214 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2215 {
2216 struct wpa_ssid *ssid;
2217 int ret;
2218
2219 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2220
2221 ssid = wpa_config_add_network(wpa_s->conf);
2222 if (ssid == NULL)
2223 return -1;
2224
2225 wpas_notify_network_added(wpa_s, ssid);
2226
2227 ssid->disabled = 1;
2228 wpa_config_set_network_defaults(ssid);
2229
2230 ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2231 if (ret < 0 || (size_t) ret >= buflen)
2232 return -1;
2233 return ret;
2234 }
2235
2236
wpa_supplicant_ctrl_iface_remove_network(struct wpa_supplicant * wpa_s,char * cmd)2237 static int wpa_supplicant_ctrl_iface_remove_network(
2238 struct wpa_supplicant *wpa_s, char *cmd)
2239 {
2240 int id;
2241 struct wpa_ssid *ssid;
2242 int was_disabled;
2243
2244 /* cmd: "<network id>" or "all" */
2245 if (os_strcmp(cmd, "all") == 0) {
2246 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2247 if (wpa_s->sched_scanning)
2248 wpa_supplicant_cancel_sched_scan(wpa_s);
2249
2250 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2251 if (wpa_s->current_ssid) {
2252 #ifdef CONFIG_SME
2253 wpa_s->sme.prev_bssid_set = 0;
2254 #endif /* CONFIG_SME */
2255 wpa_sm_set_config(wpa_s->wpa, NULL);
2256 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2257 wpa_supplicant_deauthenticate(
2258 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2259 }
2260 ssid = wpa_s->conf->ssid;
2261 while (ssid) {
2262 struct wpa_ssid *remove_ssid = ssid;
2263 id = ssid->id;
2264 ssid = ssid->next;
2265 wpas_notify_network_removed(wpa_s, remove_ssid);
2266 wpa_config_remove_network(wpa_s->conf, id);
2267 }
2268 return 0;
2269 }
2270
2271 id = atoi(cmd);
2272 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2273
2274 ssid = wpa_config_get_network(wpa_s->conf, id);
2275 if (ssid)
2276 wpas_notify_network_removed(wpa_s, ssid);
2277 if (ssid == NULL) {
2278 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2279 "id=%d", id);
2280 return -1;
2281 }
2282
2283 if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2284 #ifdef CONFIG_SME
2285 wpa_s->sme.prev_bssid_set = 0;
2286 #endif /* CONFIG_SME */
2287 /*
2288 * Invalidate the EAP session cache if the current or
2289 * previously used network is removed.
2290 */
2291 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2292 }
2293
2294 if (ssid == wpa_s->current_ssid) {
2295 wpa_sm_set_config(wpa_s->wpa, NULL);
2296 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2297
2298 wpa_supplicant_deauthenticate(wpa_s,
2299 WLAN_REASON_DEAUTH_LEAVING);
2300 }
2301
2302 was_disabled = ssid->disabled;
2303
2304 if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2305 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2306 "network id=%d", id);
2307 return -1;
2308 }
2309
2310 if (!was_disabled && wpa_s->sched_scanning) {
2311 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2312 "network from filters");
2313 wpa_supplicant_cancel_sched_scan(wpa_s);
2314 wpa_supplicant_req_scan(wpa_s, 0, 0);
2315 }
2316
2317 return 0;
2318 }
2319
2320
wpa_supplicant_ctrl_iface_set_network(struct wpa_supplicant * wpa_s,char * cmd)2321 static int wpa_supplicant_ctrl_iface_set_network(
2322 struct wpa_supplicant *wpa_s, char *cmd)
2323 {
2324 int id;
2325 struct wpa_ssid *ssid;
2326 char *name, *value;
2327
2328 /* cmd: "<network id> <variable name> <value>" */
2329 name = os_strchr(cmd, ' ');
2330 if (name == NULL)
2331 return -1;
2332 *name++ = '\0';
2333
2334 value = os_strchr(name, ' ');
2335 if (value == NULL)
2336 return -1;
2337 *value++ = '\0';
2338
2339 id = atoi(cmd);
2340 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2341 id, name);
2342 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2343 (u8 *) value, os_strlen(value));
2344
2345 ssid = wpa_config_get_network(wpa_s->conf, id);
2346 if (ssid == NULL) {
2347 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2348 "id=%d", id);
2349 return -1;
2350 }
2351
2352 if (wpa_config_set(ssid, name, value, 0) < 0) {
2353 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2354 "variable '%s'", name);
2355 return -1;
2356 }
2357
2358 if (os_strcmp(name, "bssid") != 0 &&
2359 os_strcmp(name, "priority") != 0)
2360 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2361
2362 if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2363 /*
2364 * Invalidate the EAP session cache if anything in the current
2365 * or previously used configuration changes.
2366 */
2367 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2368 }
2369
2370 if ((os_strcmp(name, "psk") == 0 &&
2371 value[0] == '"' && ssid->ssid_len) ||
2372 (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2373 wpa_config_update_psk(ssid);
2374 else if (os_strcmp(name, "priority") == 0)
2375 wpa_config_update_prio_list(wpa_s->conf);
2376
2377 return 0;
2378 }
2379
2380
wpa_supplicant_ctrl_iface_get_network(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)2381 static int wpa_supplicant_ctrl_iface_get_network(
2382 struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2383 {
2384 int id;
2385 size_t res;
2386 struct wpa_ssid *ssid;
2387 char *name, *value;
2388
2389 /* cmd: "<network id> <variable name>" */
2390 name = os_strchr(cmd, ' ');
2391 if (name == NULL || buflen == 0)
2392 return -1;
2393 *name++ = '\0';
2394
2395 id = atoi(cmd);
2396 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2397 id, name);
2398
2399 ssid = wpa_config_get_network(wpa_s->conf, id);
2400 if (ssid == NULL) {
2401 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2402 "id=%d", id);
2403 return -1;
2404 }
2405
2406 value = wpa_config_get_no_key(ssid, name);
2407 if (value == NULL) {
2408 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2409 "variable '%s'", name);
2410 return -1;
2411 }
2412
2413 res = os_strlcpy(buf, value, buflen);
2414 if (res >= buflen) {
2415 os_free(value);
2416 return -1;
2417 }
2418
2419 os_free(value);
2420
2421 return res;
2422 }
2423
2424
wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)2425 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2426 char *buf, size_t buflen)
2427 {
2428 char *pos, *end;
2429 struct wpa_cred *cred;
2430 int ret;
2431
2432 pos = buf;
2433 end = buf + buflen;
2434 ret = os_snprintf(pos, end - pos,
2435 "cred id / realm / username / domain / imsi\n");
2436 if (ret < 0 || ret >= end - pos)
2437 return pos - buf;
2438 pos += ret;
2439
2440 cred = wpa_s->conf->cred;
2441 while (cred) {
2442 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2443 cred->id, cred->realm ? cred->realm : "",
2444 cred->username ? cred->username : "",
2445 cred->domain ? cred->domain : "",
2446 cred->imsi ? cred->imsi : "");
2447 if (ret < 0 || ret >= end - pos)
2448 return pos - buf;
2449 pos += ret;
2450
2451 cred = cred->next;
2452 }
2453
2454 return pos - buf;
2455 }
2456
2457
wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)2458 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2459 char *buf, size_t buflen)
2460 {
2461 struct wpa_cred *cred;
2462 int ret;
2463
2464 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2465
2466 cred = wpa_config_add_cred(wpa_s->conf);
2467 if (cred == NULL)
2468 return -1;
2469
2470 ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2471 if (ret < 0 || (size_t) ret >= buflen)
2472 return -1;
2473 return ret;
2474 }
2475
2476
wpas_ctrl_remove_cred(struct wpa_supplicant * wpa_s,struct wpa_cred * cred)2477 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2478 struct wpa_cred *cred)
2479 {
2480 struct wpa_ssid *ssid;
2481 char str[20];
2482
2483 if (cred == NULL || wpa_config_remove_cred(wpa_s->conf, cred->id) < 0) {
2484 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2485 return -1;
2486 }
2487
2488 /* Remove any network entry created based on the removed credential */
2489 ssid = wpa_s->conf->ssid;
2490 while (ssid) {
2491 if (ssid->parent_cred == cred) {
2492 wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2493 "used the removed credential", ssid->id);
2494 os_snprintf(str, sizeof(str), "%d", ssid->id);
2495 ssid = ssid->next;
2496 wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2497 } else
2498 ssid = ssid->next;
2499 }
2500
2501 return 0;
2502 }
2503
2504
wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant * wpa_s,char * cmd)2505 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2506 char *cmd)
2507 {
2508 int id;
2509 struct wpa_cred *cred, *prev;
2510
2511 /* cmd: "<cred id>", "all", or "sp_fqdn=<FQDN>" */
2512 if (os_strcmp(cmd, "all") == 0) {
2513 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2514 cred = wpa_s->conf->cred;
2515 while (cred) {
2516 prev = cred;
2517 cred = cred->next;
2518 wpas_ctrl_remove_cred(wpa_s, prev);
2519 }
2520 return 0;
2521 }
2522
2523 if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
2524 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
2525 cmd + 8);
2526 cred = wpa_s->conf->cred;
2527 while (cred) {
2528 prev = cred;
2529 cred = cred->next;
2530 if (prev->domain &&
2531 os_strcmp(prev->domain, cmd + 8) == 0)
2532 wpas_ctrl_remove_cred(wpa_s, prev);
2533 }
2534 return 0;
2535 }
2536
2537 id = atoi(cmd);
2538 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2539
2540 cred = wpa_config_get_cred(wpa_s->conf, id);
2541 return wpas_ctrl_remove_cred(wpa_s, cred);
2542 }
2543
2544
wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant * wpa_s,char * cmd)2545 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2546 char *cmd)
2547 {
2548 int id;
2549 struct wpa_cred *cred;
2550 char *name, *value;
2551
2552 /* cmd: "<cred id> <variable name> <value>" */
2553 name = os_strchr(cmd, ' ');
2554 if (name == NULL)
2555 return -1;
2556 *name++ = '\0';
2557
2558 value = os_strchr(name, ' ');
2559 if (value == NULL)
2560 return -1;
2561 *value++ = '\0';
2562
2563 id = atoi(cmd);
2564 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2565 id, name);
2566 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2567 (u8 *) value, os_strlen(value));
2568
2569 cred = wpa_config_get_cred(wpa_s->conf, id);
2570 if (cred == NULL) {
2571 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2572 id);
2573 return -1;
2574 }
2575
2576 if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2577 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2578 "variable '%s'", name);
2579 return -1;
2580 }
2581
2582 return 0;
2583 }
2584
2585
2586 #ifndef CONFIG_NO_CONFIG_WRITE
wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant * wpa_s)2587 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
2588 {
2589 int ret;
2590
2591 if (!wpa_s->conf->update_config) {
2592 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
2593 "to update configuration (update_config=0)");
2594 return -1;
2595 }
2596
2597 ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
2598 if (ret) {
2599 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
2600 "update configuration");
2601 } else {
2602 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
2603 " updated");
2604 }
2605
2606 return ret;
2607 }
2608 #endif /* CONFIG_NO_CONFIG_WRITE */
2609
2610
ctrl_iface_get_capability_pairwise(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)2611 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2612 struct wpa_driver_capa *capa,
2613 char *buf, size_t buflen)
2614 {
2615 int ret, first = 1;
2616 char *pos, *end;
2617 size_t len;
2618
2619 pos = buf;
2620 end = pos + buflen;
2621
2622 if (res < 0) {
2623 if (strict)
2624 return 0;
2625 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2626 if (len >= buflen)
2627 return -1;
2628 return len;
2629 }
2630
2631 if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2632 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2633 if (ret < 0 || ret >= end - pos)
2634 return pos - buf;
2635 pos += ret;
2636 first = 0;
2637 }
2638
2639 if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2640 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2641 if (ret < 0 || ret >= end - pos)
2642 return pos - buf;
2643 pos += ret;
2644 first = 0;
2645 }
2646
2647 if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2648 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2649 if (ret < 0 || ret >= end - pos)
2650 return pos - buf;
2651 pos += ret;
2652 first = 0;
2653 }
2654
2655 if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2656 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
2657 if (ret < 0 || ret >= end - pos)
2658 return pos - buf;
2659 pos += ret;
2660 first = 0;
2661 }
2662
2663 return pos - buf;
2664 }
2665
2666
ctrl_iface_get_capability_group(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)2667 static int ctrl_iface_get_capability_group(int res, char *strict,
2668 struct wpa_driver_capa *capa,
2669 char *buf, size_t buflen)
2670 {
2671 int ret, first = 1;
2672 char *pos, *end;
2673 size_t len;
2674
2675 pos = buf;
2676 end = pos + buflen;
2677
2678 if (res < 0) {
2679 if (strict)
2680 return 0;
2681 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
2682 if (len >= buflen)
2683 return -1;
2684 return len;
2685 }
2686
2687 if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2688 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2689 if (ret < 0 || ret >= end - pos)
2690 return pos - buf;
2691 pos += ret;
2692 first = 0;
2693 }
2694
2695 if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2696 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2697 if (ret < 0 || ret >= end - pos)
2698 return pos - buf;
2699 pos += ret;
2700 first = 0;
2701 }
2702
2703 if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2704 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2705 if (ret < 0 || ret >= end - pos)
2706 return pos - buf;
2707 pos += ret;
2708 first = 0;
2709 }
2710
2711 if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP104) {
2712 ret = os_snprintf(pos, end - pos, "%sWEP104",
2713 first ? "" : " ");
2714 if (ret < 0 || ret >= end - pos)
2715 return pos - buf;
2716 pos += ret;
2717 first = 0;
2718 }
2719
2720 if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
2721 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
2722 if (ret < 0 || ret >= end - pos)
2723 return pos - buf;
2724 pos += ret;
2725 first = 0;
2726 }
2727
2728 return pos - buf;
2729 }
2730
2731
ctrl_iface_get_capability_key_mgmt(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)2732 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
2733 struct wpa_driver_capa *capa,
2734 char *buf, size_t buflen)
2735 {
2736 int ret;
2737 char *pos, *end;
2738 size_t len;
2739
2740 pos = buf;
2741 end = pos + buflen;
2742
2743 if (res < 0) {
2744 if (strict)
2745 return 0;
2746 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
2747 "NONE", buflen);
2748 if (len >= buflen)
2749 return -1;
2750 return len;
2751 }
2752
2753 ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
2754 if (ret < 0 || ret >= end - pos)
2755 return pos - buf;
2756 pos += ret;
2757
2758 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2759 WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2760 ret = os_snprintf(pos, end - pos, " WPA-EAP");
2761 if (ret < 0 || ret >= end - pos)
2762 return pos - buf;
2763 pos += ret;
2764 }
2765
2766 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2767 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2768 ret = os_snprintf(pos, end - pos, " WPA-PSK");
2769 if (ret < 0 || ret >= end - pos)
2770 return pos - buf;
2771 pos += ret;
2772 }
2773
2774 if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2775 ret = os_snprintf(pos, end - pos, " WPA-NONE");
2776 if (ret < 0 || ret >= end - pos)
2777 return pos - buf;
2778 pos += ret;
2779 }
2780
2781 return pos - buf;
2782 }
2783
2784
ctrl_iface_get_capability_proto(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)2785 static int ctrl_iface_get_capability_proto(int res, char *strict,
2786 struct wpa_driver_capa *capa,
2787 char *buf, size_t buflen)
2788 {
2789 int ret, first = 1;
2790 char *pos, *end;
2791 size_t len;
2792
2793 pos = buf;
2794 end = pos + buflen;
2795
2796 if (res < 0) {
2797 if (strict)
2798 return 0;
2799 len = os_strlcpy(buf, "RSN WPA", buflen);
2800 if (len >= buflen)
2801 return -1;
2802 return len;
2803 }
2804
2805 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2806 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2807 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
2808 if (ret < 0 || ret >= end - pos)
2809 return pos - buf;
2810 pos += ret;
2811 first = 0;
2812 }
2813
2814 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2815 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2816 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
2817 if (ret < 0 || ret >= end - pos)
2818 return pos - buf;
2819 pos += ret;
2820 first = 0;
2821 }
2822
2823 return pos - buf;
2824 }
2825
2826
ctrl_iface_get_capability_auth_alg(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)2827 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
2828 struct wpa_driver_capa *capa,
2829 char *buf, size_t buflen)
2830 {
2831 int ret, first = 1;
2832 char *pos, *end;
2833 size_t len;
2834
2835 pos = buf;
2836 end = pos + buflen;
2837
2838 if (res < 0) {
2839 if (strict)
2840 return 0;
2841 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
2842 if (len >= buflen)
2843 return -1;
2844 return len;
2845 }
2846
2847 if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
2848 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
2849 if (ret < 0 || ret >= end - pos)
2850 return pos - buf;
2851 pos += ret;
2852 first = 0;
2853 }
2854
2855 if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
2856 ret = os_snprintf(pos, end - pos, "%sSHARED",
2857 first ? "" : " ");
2858 if (ret < 0 || ret >= end - pos)
2859 return pos - buf;
2860 pos += ret;
2861 first = 0;
2862 }
2863
2864 if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
2865 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
2866 if (ret < 0 || ret >= end - pos)
2867 return pos - buf;
2868 pos += ret;
2869 first = 0;
2870 }
2871
2872 return pos - buf;
2873 }
2874
2875
ctrl_iface_get_capability_modes(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)2876 static int ctrl_iface_get_capability_modes(int res, char *strict,
2877 struct wpa_driver_capa *capa,
2878 char *buf, size_t buflen)
2879 {
2880 int ret, first = 1;
2881 char *pos, *end;
2882 size_t len;
2883
2884 pos = buf;
2885 end = pos + buflen;
2886
2887 if (res < 0) {
2888 if (strict)
2889 return 0;
2890 len = os_strlcpy(buf, "IBSS AP", buflen);
2891 if (len >= buflen)
2892 return -1;
2893 return len;
2894 }
2895
2896 if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
2897 ret = os_snprintf(pos, end - pos, "%sIBSS", first ? "" : " ");
2898 if (ret < 0 || ret >= end - pos)
2899 return pos - buf;
2900 pos += ret;
2901 first = 0;
2902 }
2903
2904 if (capa->flags & WPA_DRIVER_FLAGS_AP) {
2905 ret = os_snprintf(pos, end - pos, "%sAP", first ? "" : " ");
2906 if (ret < 0 || ret >= end - pos)
2907 return pos - buf;
2908 pos += ret;
2909 first = 0;
2910 }
2911
2912 return pos - buf;
2913 }
2914
2915
ctrl_iface_get_capability_channels(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)2916 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
2917 char *buf, size_t buflen)
2918 {
2919 struct hostapd_channel_data *chnl;
2920 int ret, i, j;
2921 char *pos, *end, *hmode;
2922
2923 pos = buf;
2924 end = pos + buflen;
2925
2926 for (j = 0; j < wpa_s->hw.num_modes; j++) {
2927 switch (wpa_s->hw.modes[j].mode) {
2928 case HOSTAPD_MODE_IEEE80211B:
2929 hmode = "B";
2930 break;
2931 case HOSTAPD_MODE_IEEE80211G:
2932 hmode = "G";
2933 break;
2934 case HOSTAPD_MODE_IEEE80211A:
2935 hmode = "A";
2936 break;
2937 case HOSTAPD_MODE_IEEE80211AD:
2938 hmode = "AD";
2939 break;
2940 default:
2941 continue;
2942 }
2943 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
2944 if (ret < 0 || ret >= end - pos)
2945 return pos - buf;
2946 pos += ret;
2947 chnl = wpa_s->hw.modes[j].channels;
2948 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
2949 if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
2950 continue;
2951 ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
2952 if (ret < 0 || ret >= end - pos)
2953 return pos - buf;
2954 pos += ret;
2955 }
2956 ret = os_snprintf(pos, end - pos, "\n");
2957 if (ret < 0 || ret >= end - pos)
2958 return pos - buf;
2959 pos += ret;
2960 }
2961
2962 return pos - buf;
2963 }
2964
2965
wpa_supplicant_ctrl_iface_get_capability(struct wpa_supplicant * wpa_s,const char * _field,char * buf,size_t buflen)2966 static int wpa_supplicant_ctrl_iface_get_capability(
2967 struct wpa_supplicant *wpa_s, const char *_field, char *buf,
2968 size_t buflen)
2969 {
2970 struct wpa_driver_capa capa;
2971 int res;
2972 char *strict;
2973 char field[30];
2974 size_t len;
2975
2976 /* Determine whether or not strict checking was requested */
2977 len = os_strlcpy(field, _field, sizeof(field));
2978 if (len >= sizeof(field))
2979 return -1;
2980 strict = os_strchr(field, ' ');
2981 if (strict != NULL) {
2982 *strict++ = '\0';
2983 if (os_strcmp(strict, "strict") != 0)
2984 return -1;
2985 }
2986
2987 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
2988 field, strict ? strict : "");
2989
2990 if (os_strcmp(field, "eap") == 0) {
2991 return eap_get_names(buf, buflen);
2992 }
2993
2994 res = wpa_drv_get_capa(wpa_s, &capa);
2995
2996 if (os_strcmp(field, "pairwise") == 0)
2997 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
2998 buf, buflen);
2999
3000 if (os_strcmp(field, "group") == 0)
3001 return ctrl_iface_get_capability_group(res, strict, &capa,
3002 buf, buflen);
3003
3004 if (os_strcmp(field, "key_mgmt") == 0)
3005 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3006 buf, buflen);
3007
3008 if (os_strcmp(field, "proto") == 0)
3009 return ctrl_iface_get_capability_proto(res, strict, &capa,
3010 buf, buflen);
3011
3012 if (os_strcmp(field, "auth_alg") == 0)
3013 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
3014 buf, buflen);
3015
3016 if (os_strcmp(field, "modes") == 0)
3017 return ctrl_iface_get_capability_modes(res, strict, &capa,
3018 buf, buflen);
3019
3020 if (os_strcmp(field, "channels") == 0)
3021 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3022
3023 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3024 field);
3025
3026 return -1;
3027 }
3028
3029
3030 #ifdef CONFIG_INTERWORKING
anqp_add_hex(char * pos,char * end,const char * title,struct wpabuf * data)3031 static char * anqp_add_hex(char *pos, char *end, const char *title,
3032 struct wpabuf *data)
3033 {
3034 char *start = pos;
3035 size_t i;
3036 int ret;
3037 const u8 *d;
3038
3039 if (data == NULL)
3040 return start;
3041
3042 ret = os_snprintf(pos, end - pos, "%s=", title);
3043 if (ret < 0 || ret >= end - pos)
3044 return start;
3045 pos += ret;
3046
3047 d = wpabuf_head_u8(data);
3048 for (i = 0; i < wpabuf_len(data); i++) {
3049 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3050 if (ret < 0 || ret >= end - pos)
3051 return start;
3052 pos += ret;
3053 }
3054
3055 ret = os_snprintf(pos, end - pos, "\n");
3056 if (ret < 0 || ret >= end - pos)
3057 return start;
3058 pos += ret;
3059
3060 return pos;
3061 }
3062 #endif /* CONFIG_INTERWORKING */
3063
3064
print_bss_info(struct wpa_supplicant * wpa_s,struct wpa_bss * bss,unsigned long mask,char * buf,size_t buflen)3065 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3066 unsigned long mask, char *buf, size_t buflen)
3067 {
3068 size_t i;
3069 int ret;
3070 char *pos, *end;
3071 const u8 *ie, *ie2;
3072
3073 pos = buf;
3074 end = buf + buflen;
3075
3076 if (mask & WPA_BSS_MASK_ID) {
3077 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3078 if (ret < 0 || ret >= end - pos)
3079 return 0;
3080 pos += ret;
3081 }
3082
3083 if (mask & WPA_BSS_MASK_BSSID) {
3084 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3085 MAC2STR(bss->bssid));
3086 if (ret < 0 || ret >= end - pos)
3087 return 0;
3088 pos += ret;
3089 }
3090
3091 if (mask & WPA_BSS_MASK_FREQ) {
3092 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
3093 if (ret < 0 || ret >= end - pos)
3094 return 0;
3095 pos += ret;
3096 }
3097
3098 if (mask & WPA_BSS_MASK_BEACON_INT) {
3099 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
3100 bss->beacon_int);
3101 if (ret < 0 || ret >= end - pos)
3102 return 0;
3103 pos += ret;
3104 }
3105
3106 if (mask & WPA_BSS_MASK_CAPABILITIES) {
3107 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
3108 bss->caps);
3109 if (ret < 0 || ret >= end - pos)
3110 return 0;
3111 pos += ret;
3112 }
3113
3114 if (mask & WPA_BSS_MASK_QUAL) {
3115 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
3116 if (ret < 0 || ret >= end - pos)
3117 return 0;
3118 pos += ret;
3119 }
3120
3121 if (mask & WPA_BSS_MASK_NOISE) {
3122 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3123 if (ret < 0 || ret >= end - pos)
3124 return 0;
3125 pos += ret;
3126 }
3127
3128 if (mask & WPA_BSS_MASK_LEVEL) {
3129 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3130 if (ret < 0 || ret >= end - pos)
3131 return 0;
3132 pos += ret;
3133 }
3134
3135 if (mask & WPA_BSS_MASK_TSF) {
3136 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
3137 (unsigned long long) bss->tsf);
3138 if (ret < 0 || ret >= end - pos)
3139 return 0;
3140 pos += ret;
3141 }
3142
3143 if (mask & WPA_BSS_MASK_AGE) {
3144 struct os_time now;
3145
3146 os_get_time(&now);
3147 ret = os_snprintf(pos, end - pos, "age=%d\n",
3148 (int) (now.sec - bss->last_update.sec));
3149 if (ret < 0 || ret >= end - pos)
3150 return 0;
3151 pos += ret;
3152 }
3153
3154 if (mask & WPA_BSS_MASK_IE) {
3155 ret = os_snprintf(pos, end - pos, "ie=");
3156 if (ret < 0 || ret >= end - pos)
3157 return 0;
3158 pos += ret;
3159
3160 ie = (const u8 *) (bss + 1);
3161 for (i = 0; i < bss->ie_len; i++) {
3162 ret = os_snprintf(pos, end - pos, "%02x", *ie++);
3163 if (ret < 0 || ret >= end - pos)
3164 return 0;
3165 pos += ret;
3166 }
3167
3168 ret = os_snprintf(pos, end - pos, "\n");
3169 if (ret < 0 || ret >= end - pos)
3170 return 0;
3171 pos += ret;
3172 }
3173
3174 if (mask & WPA_BSS_MASK_FLAGS) {
3175 ret = os_snprintf(pos, end - pos, "flags=");
3176 if (ret < 0 || ret >= end - pos)
3177 return 0;
3178 pos += ret;
3179
3180 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
3181 if (ie)
3182 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
3183 2 + ie[1]);
3184 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
3185 if (ie2)
3186 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
3187 2 + ie2[1]);
3188 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
3189 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3190 ret = os_snprintf(pos, end - pos, "[WEP]");
3191 if (ret < 0 || ret >= end - pos)
3192 return 0;
3193 pos += ret;
3194 }
3195 if (bss->caps & IEEE80211_CAP_IBSS) {
3196 ret = os_snprintf(pos, end - pos, "[IBSS]");
3197 if (ret < 0 || ret >= end - pos)
3198 return 0;
3199 pos += ret;
3200 }
3201 if (bss->caps & IEEE80211_CAP_ESS) {
3202 ret = os_snprintf(pos, end - pos, "[ESS]");
3203 if (ret < 0 || ret >= end - pos)
3204 return 0;
3205 pos += ret;
3206 }
3207 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE)) {
3208 ret = os_snprintf(pos, end - pos, "[P2P]");
3209 if (ret < 0 || ret >= end - pos)
3210 return 0;
3211 pos += ret;
3212 }
3213 #ifdef CONFIG_HS20
3214 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3215 ret = os_snprintf(pos, end - pos, "[HS20]");
3216 if (ret < 0 || ret >= end - pos)
3217 return 0;
3218 pos += ret;
3219 }
3220 #endif /* CONFIG_HS20 */
3221
3222 ret = os_snprintf(pos, end - pos, "\n");
3223 if (ret < 0 || ret >= end - pos)
3224 return 0;
3225 pos += ret;
3226 }
3227
3228 if (mask & WPA_BSS_MASK_SSID) {
3229 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3230 wpa_ssid_txt(bss->ssid, bss->ssid_len));
3231 if (ret < 0 || ret >= end - pos)
3232 return 0;
3233 pos += ret;
3234 }
3235
3236 #ifdef CONFIG_WPS
3237 if (mask & WPA_BSS_MASK_WPS_SCAN) {
3238 ie = (const u8 *) (bss + 1);
3239 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3240 if (ret < 0 || ret >= end - pos)
3241 return 0;
3242 pos += ret;
3243 }
3244 #endif /* CONFIG_WPS */
3245
3246 #ifdef CONFIG_P2P
3247 if (mask & WPA_BSS_MASK_P2P_SCAN) {
3248 ie = (const u8 *) (bss + 1);
3249 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3250 if (ret < 0 || ret >= end - pos)
3251 return 0;
3252 pos += ret;
3253 }
3254 #endif /* CONFIG_P2P */
3255
3256 #ifdef CONFIG_WIFI_DISPLAY
3257 if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3258 struct wpabuf *wfd;
3259 ie = (const u8 *) (bss + 1);
3260 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3261 WFD_IE_VENDOR_TYPE);
3262 if (wfd) {
3263 ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3264 if (ret < 0 || ret >= end - pos)
3265 return 0;
3266 pos += ret;
3267
3268 pos += wpa_snprintf_hex(pos, end - pos,
3269 wpabuf_head(wfd),
3270 wpabuf_len(wfd));
3271 wpabuf_free(wfd);
3272
3273 ret = os_snprintf(pos, end - pos, "\n");
3274 if (ret < 0 || ret >= end - pos)
3275 return 0;
3276 pos += ret;
3277 }
3278 }
3279 #endif /* CONFIG_WIFI_DISPLAY */
3280
3281 #ifdef CONFIG_INTERWORKING
3282 if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3283 struct wpa_bss_anqp *anqp = bss->anqp;
3284 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3285 anqp->venue_name);
3286 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3287 anqp->network_auth_type);
3288 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3289 anqp->roaming_consortium);
3290 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3291 anqp->ip_addr_type_availability);
3292 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3293 anqp->nai_realm);
3294 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3295 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3296 anqp->domain_name);
3297 #ifdef CONFIG_HS20
3298 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3299 anqp->hs20_operator_friendly_name);
3300 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3301 anqp->hs20_wan_metrics);
3302 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3303 anqp->hs20_connection_capability);
3304 #endif /* CONFIG_HS20 */
3305 }
3306 #endif /* CONFIG_INTERWORKING */
3307
3308 if (mask & WPA_BSS_MASK_DELIM) {
3309 ret = os_snprintf(pos, end - pos, "====\n");
3310 if (ret < 0 || ret >= end - pos)
3311 return 0;
3312 pos += ret;
3313 }
3314
3315 return pos - buf;
3316 }
3317
3318
wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant * wpa_s,const char * cmd,char * buf,size_t buflen)3319 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3320 const char *cmd, char *buf,
3321 size_t buflen)
3322 {
3323 u8 bssid[ETH_ALEN];
3324 size_t i;
3325 struct wpa_bss *bss;
3326 struct wpa_bss *bsslast = NULL;
3327 struct dl_list *next;
3328 int ret = 0;
3329 int len;
3330 char *ctmp;
3331 unsigned long mask = WPA_BSS_MASK_ALL;
3332
3333 if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3334 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3335 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3336 list_id);
3337 bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3338 list_id);
3339 } else { /* N1-N2 */
3340 unsigned int id1, id2;
3341
3342 if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3343 wpa_printf(MSG_INFO, "Wrong BSS range "
3344 "format");
3345 return 0;
3346 }
3347
3348 if (*(cmd + 6) == '-')
3349 id1 = 0;
3350 else
3351 id1 = atoi(cmd + 6);
3352 ctmp++;
3353 if (*ctmp >= '0' && *ctmp <= '9')
3354 id2 = atoi(ctmp);
3355 else
3356 id2 = (unsigned int) -1;
3357 bss = wpa_bss_get_id_range(wpa_s, id1, id2);
3358 if (id2 == (unsigned int) -1)
3359 bsslast = dl_list_last(&wpa_s->bss_id,
3360 struct wpa_bss,
3361 list_id);
3362 else {
3363 bsslast = wpa_bss_get_id(wpa_s, id2);
3364 if (bsslast == NULL && bss && id2 > id1) {
3365 struct wpa_bss *tmp = bss;
3366 for (;;) {
3367 next = tmp->list_id.next;
3368 if (next == &wpa_s->bss_id)
3369 break;
3370 tmp = dl_list_entry(
3371 next, struct wpa_bss,
3372 list_id);
3373 if (tmp->id > id2)
3374 break;
3375 bsslast = tmp;
3376 }
3377 }
3378 }
3379 }
3380 } else if (os_strncmp(cmd, "FIRST", 5) == 0)
3381 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3382 else if (os_strncmp(cmd, "LAST", 4) == 0)
3383 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
3384 else if (os_strncmp(cmd, "ID-", 3) == 0) {
3385 i = atoi(cmd + 3);
3386 bss = wpa_bss_get_id(wpa_s, i);
3387 } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3388 i = atoi(cmd + 5);
3389 bss = wpa_bss_get_id(wpa_s, i);
3390 if (bss) {
3391 next = bss->list_id.next;
3392 if (next == &wpa_s->bss_id)
3393 bss = NULL;
3394 else
3395 bss = dl_list_entry(next, struct wpa_bss,
3396 list_id);
3397 }
3398 #ifdef CONFIG_P2P
3399 } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3400 if (hwaddr_aton(cmd + 13, bssid) == 0)
3401 bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3402 else
3403 bss = NULL;
3404 #endif /* CONFIG_P2P */
3405 } else if (hwaddr_aton(cmd, bssid) == 0)
3406 bss = wpa_bss_get_bssid(wpa_s, bssid);
3407 else {
3408 struct wpa_bss *tmp;
3409 i = atoi(cmd);
3410 bss = NULL;
3411 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3412 {
3413 if (i-- == 0) {
3414 bss = tmp;
3415 break;
3416 }
3417 }
3418 }
3419
3420 if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3421 mask = strtoul(ctmp + 5, NULL, 0x10);
3422 if (mask == 0)
3423 mask = WPA_BSS_MASK_ALL;
3424 }
3425
3426 if (bss == NULL)
3427 return 0;
3428
3429 if (bsslast == NULL)
3430 bsslast = bss;
3431 do {
3432 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3433 ret += len;
3434 buf += len;
3435 buflen -= len;
3436 if (bss == bsslast) {
3437 if ((mask & WPA_BSS_MASK_DELIM) && len &&
3438 (bss == dl_list_last(&wpa_s->bss_id,
3439 struct wpa_bss, list_id)))
3440 os_snprintf(buf - 5, 5, "####\n");
3441 break;
3442 }
3443 next = bss->list_id.next;
3444 if (next == &wpa_s->bss_id)
3445 break;
3446 bss = dl_list_entry(next, struct wpa_bss, list_id);
3447 } while (bss && len);
3448
3449 return ret;
3450 }
3451
3452
wpa_supplicant_ctrl_iface_ap_scan(struct wpa_supplicant * wpa_s,char * cmd)3453 static int wpa_supplicant_ctrl_iface_ap_scan(
3454 struct wpa_supplicant *wpa_s, char *cmd)
3455 {
3456 int ap_scan = atoi(cmd);
3457 return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3458 }
3459
3460
wpa_supplicant_ctrl_iface_scan_interval(struct wpa_supplicant * wpa_s,char * cmd)3461 static int wpa_supplicant_ctrl_iface_scan_interval(
3462 struct wpa_supplicant *wpa_s, char *cmd)
3463 {
3464 int scan_int = atoi(cmd);
3465 return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3466 }
3467
3468
wpa_supplicant_ctrl_iface_bss_expire_age(struct wpa_supplicant * wpa_s,char * cmd)3469 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3470 struct wpa_supplicant *wpa_s, char *cmd)
3471 {
3472 int expire_age = atoi(cmd);
3473 return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3474 }
3475
3476
wpa_supplicant_ctrl_iface_bss_expire_count(struct wpa_supplicant * wpa_s,char * cmd)3477 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3478 struct wpa_supplicant *wpa_s, char *cmd)
3479 {
3480 int expire_count = atoi(cmd);
3481 return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3482 }
3483
3484
wpa_supplicant_ctrl_iface_bss_flush(struct wpa_supplicant * wpa_s,char * cmd)3485 static int wpa_supplicant_ctrl_iface_bss_flush(
3486 struct wpa_supplicant *wpa_s, char *cmd)
3487 {
3488 int flush_age = atoi(cmd);
3489
3490 if (flush_age == 0)
3491 wpa_bss_flush(wpa_s);
3492 else
3493 wpa_bss_flush_by_age(wpa_s, flush_age);
3494 return 0;
3495 }
3496
3497
wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant * wpa_s)3498 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3499 {
3500 wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3501 /* MLME-DELETEKEYS.request */
3502 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3503 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3504 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3505 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3506 #ifdef CONFIG_IEEE80211W
3507 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3508 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3509 #endif /* CONFIG_IEEE80211W */
3510
3511 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3512 0);
3513 /* MLME-SETPROTECTION.request(None) */
3514 wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3515 MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3516 MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3517 wpa_sm_drop_sa(wpa_s->wpa);
3518 }
3519
3520
wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant * wpa_s,char * addr)3521 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3522 char *addr)
3523 {
3524 #ifdef CONFIG_NO_SCAN_PROCESSING
3525 return -1;
3526 #else /* CONFIG_NO_SCAN_PROCESSING */
3527 u8 bssid[ETH_ALEN];
3528 struct wpa_bss *bss;
3529 struct wpa_ssid *ssid = wpa_s->current_ssid;
3530
3531 if (hwaddr_aton(addr, bssid)) {
3532 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3533 "address '%s'", addr);
3534 return -1;
3535 }
3536
3537 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3538
3539 if (!ssid) {
3540 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3541 "configuration known for the target AP");
3542 return -1;
3543 }
3544
3545 bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
3546 if (!bss) {
3547 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3548 "from BSS table");
3549 return -1;
3550 }
3551
3552 /*
3553 * TODO: Find best network configuration block from configuration to
3554 * allow roaming to other networks
3555 */
3556
3557 wpa_s->reassociate = 1;
3558 wpa_supplicant_connect(wpa_s, bss, ssid);
3559
3560 return 0;
3561 #endif /* CONFIG_NO_SCAN_PROCESSING */
3562 }
3563
3564
3565 #ifdef CONFIG_P2P
p2p_ctrl_find(struct wpa_supplicant * wpa_s,char * cmd)3566 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3567 {
3568 unsigned int timeout = atoi(cmd);
3569 enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3570 u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3571 char *pos;
3572 unsigned int search_delay;
3573
3574 if (os_strstr(cmd, "type=social"))
3575 type = P2P_FIND_ONLY_SOCIAL;
3576 else if (os_strstr(cmd, "type=progressive"))
3577 type = P2P_FIND_PROGRESSIVE;
3578
3579 pos = os_strstr(cmd, "dev_id=");
3580 if (pos) {
3581 pos += 7;
3582 if (hwaddr_aton(pos, dev_id))
3583 return -1;
3584 _dev_id = dev_id;
3585 }
3586
3587 pos = os_strstr(cmd, "delay=");
3588 if (pos) {
3589 pos += 6;
3590 search_delay = atoi(pos);
3591 } else
3592 search_delay = wpas_p2p_search_delay(wpa_s);
3593
3594 return wpas_p2p_find(wpa_s, timeout, type, 0, NULL, _dev_id,
3595 search_delay);
3596 }
3597
3598
p2p_ctrl_connect(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)3599 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3600 char *buf, size_t buflen)
3601 {
3602 u8 addr[ETH_ALEN];
3603 char *pos, *pos2;
3604 char *pin = NULL;
3605 enum p2p_wps_method wps_method;
3606 int new_pin;
3607 int ret;
3608 int persistent_group, persistent_id = -1;
3609 int join;
3610 int auth;
3611 int automatic;
3612 int go_intent = -1;
3613 int freq = 0;
3614 int pd;
3615 int ht40;
3616
3617 /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3618 * [persistent|persistent=<network id>]
3619 * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3620 * [ht40] */
3621
3622 if (hwaddr_aton(cmd, addr))
3623 return -1;
3624
3625 pos = cmd + 17;
3626 if (*pos != ' ')
3627 return -1;
3628 pos++;
3629
3630 persistent_group = os_strstr(pos, " persistent") != NULL;
3631 pos2 = os_strstr(pos, " persistent=");
3632 if (pos2) {
3633 struct wpa_ssid *ssid;
3634 persistent_id = atoi(pos2 + 12);
3635 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3636 if (ssid == NULL || ssid->disabled != 2 ||
3637 ssid->mode != WPAS_MODE_P2P_GO) {
3638 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3639 "SSID id=%d for persistent P2P group (GO)",
3640 persistent_id);
3641 return -1;
3642 }
3643 }
3644 join = os_strstr(pos, " join") != NULL;
3645 auth = os_strstr(pos, " auth") != NULL;
3646 automatic = os_strstr(pos, " auto") != NULL;
3647 pd = os_strstr(pos, " provdisc") != NULL;
3648 ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3649
3650 pos2 = os_strstr(pos, " go_intent=");
3651 if (pos2) {
3652 pos2 += 11;
3653 go_intent = atoi(pos2);
3654 if (go_intent < 0 || go_intent > 15)
3655 return -1;
3656 }
3657
3658 pos2 = os_strstr(pos, " freq=");
3659 if (pos2) {
3660 pos2 += 6;
3661 freq = atoi(pos2);
3662 if (freq <= 0)
3663 return -1;
3664 }
3665
3666 if (os_strncmp(pos, "pin", 3) == 0) {
3667 /* Request random PIN (to be displayed) and enable the PIN */
3668 wps_method = WPS_PIN_DISPLAY;
3669 } else if (os_strncmp(pos, "pbc", 3) == 0) {
3670 wps_method = WPS_PBC;
3671 } else {
3672 pin = pos;
3673 pos = os_strchr(pin, ' ');
3674 wps_method = WPS_PIN_KEYPAD;
3675 if (pos) {
3676 *pos++ = '\0';
3677 if (os_strncmp(pos, "display", 7) == 0)
3678 wps_method = WPS_PIN_DISPLAY;
3679 }
3680 if (!wps_pin_str_valid(pin)) {
3681 os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
3682 return 17;
3683 }
3684 }
3685
3686 new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
3687 persistent_group, automatic, join,
3688 auth, go_intent, freq, persistent_id, pd,
3689 ht40);
3690 if (new_pin == -2) {
3691 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
3692 return 25;
3693 }
3694 if (new_pin == -3) {
3695 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
3696 return 25;
3697 }
3698 if (new_pin < 0)
3699 return -1;
3700 if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
3701 ret = os_snprintf(buf, buflen, "%08d", new_pin);
3702 if (ret < 0 || (size_t) ret >= buflen)
3703 return -1;
3704 return ret;
3705 }
3706
3707 os_memcpy(buf, "OK\n", 3);
3708 return 3;
3709 }
3710
3711
p2p_ctrl_listen(struct wpa_supplicant * wpa_s,char * cmd)3712 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
3713 {
3714 unsigned int timeout = atoi(cmd);
3715 return wpas_p2p_listen(wpa_s, timeout);
3716 }
3717
3718
p2p_ctrl_prov_disc(struct wpa_supplicant * wpa_s,char * cmd)3719 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
3720 {
3721 u8 addr[ETH_ALEN];
3722 char *pos;
3723 enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
3724
3725 /* <addr> <config method> [join|auto] */
3726
3727 if (hwaddr_aton(cmd, addr))
3728 return -1;
3729
3730 pos = cmd + 17;
3731 if (*pos != ' ')
3732 return -1;
3733 pos++;
3734
3735 if (os_strstr(pos, " join") != NULL)
3736 use = WPAS_P2P_PD_FOR_JOIN;
3737 else if (os_strstr(pos, " auto") != NULL)
3738 use = WPAS_P2P_PD_AUTO;
3739
3740 return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
3741 }
3742
3743
p2p_get_passphrase(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)3744 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
3745 size_t buflen)
3746 {
3747 struct wpa_ssid *ssid = wpa_s->current_ssid;
3748
3749 if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3750 ssid->passphrase == NULL)
3751 return -1;
3752
3753 os_strlcpy(buf, ssid->passphrase, buflen);
3754 return os_strlen(buf);
3755 }
3756
3757
p2p_ctrl_serv_disc_req(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)3758 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
3759 char *buf, size_t buflen)
3760 {
3761 u64 ref;
3762 int res;
3763 u8 dst_buf[ETH_ALEN], *dst;
3764 struct wpabuf *tlvs;
3765 char *pos;
3766 size_t len;
3767
3768 if (hwaddr_aton(cmd, dst_buf))
3769 return -1;
3770 dst = dst_buf;
3771 if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
3772 dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
3773 dst = NULL;
3774 pos = cmd + 17;
3775 if (*pos != ' ')
3776 return -1;
3777 pos++;
3778
3779 if (os_strncmp(pos, "upnp ", 5) == 0) {
3780 u8 version;
3781 pos += 5;
3782 if (hexstr2bin(pos, &version, 1) < 0)
3783 return -1;
3784 pos += 2;
3785 if (*pos != ' ')
3786 return -1;
3787 pos++;
3788 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
3789 #ifdef CONFIG_WIFI_DISPLAY
3790 } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
3791 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
3792 #endif /* CONFIG_WIFI_DISPLAY */
3793 } else {
3794 len = os_strlen(pos);
3795 if (len & 1)
3796 return -1;
3797 len /= 2;
3798 tlvs = wpabuf_alloc(len);
3799 if (tlvs == NULL)
3800 return -1;
3801 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
3802 wpabuf_free(tlvs);
3803 return -1;
3804 }
3805
3806 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
3807 wpabuf_free(tlvs);
3808 }
3809 if (ref == 0)
3810 return -1;
3811 res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
3812 if (res < 0 || (unsigned) res >= buflen)
3813 return -1;
3814 return res;
3815 }
3816
3817
p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant * wpa_s,char * cmd)3818 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
3819 char *cmd)
3820 {
3821 long long unsigned val;
3822 u64 req;
3823 if (sscanf(cmd, "%llx", &val) != 1)
3824 return -1;
3825 req = val;
3826 return wpas_p2p_sd_cancel_request(wpa_s, req);
3827 }
3828
3829
p2p_ctrl_serv_disc_resp(struct wpa_supplicant * wpa_s,char * cmd)3830 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
3831 {
3832 int freq;
3833 u8 dst[ETH_ALEN];
3834 u8 dialog_token;
3835 struct wpabuf *resp_tlvs;
3836 char *pos, *pos2;
3837 size_t len;
3838
3839 pos = os_strchr(cmd, ' ');
3840 if (pos == NULL)
3841 return -1;
3842 *pos++ = '\0';
3843 freq = atoi(cmd);
3844 if (freq == 0)
3845 return -1;
3846
3847 if (hwaddr_aton(pos, dst))
3848 return -1;
3849 pos += 17;
3850 if (*pos != ' ')
3851 return -1;
3852 pos++;
3853
3854 pos2 = os_strchr(pos, ' ');
3855 if (pos2 == NULL)
3856 return -1;
3857 *pos2++ = '\0';
3858 dialog_token = atoi(pos);
3859
3860 len = os_strlen(pos2);
3861 if (len & 1)
3862 return -1;
3863 len /= 2;
3864 resp_tlvs = wpabuf_alloc(len);
3865 if (resp_tlvs == NULL)
3866 return -1;
3867 if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
3868 wpabuf_free(resp_tlvs);
3869 return -1;
3870 }
3871
3872 wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
3873 wpabuf_free(resp_tlvs);
3874 return 0;
3875 }
3876
3877
p2p_ctrl_serv_disc_external(struct wpa_supplicant * wpa_s,char * cmd)3878 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
3879 char *cmd)
3880 {
3881 if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
3882 return -1;
3883 wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
3884 return 0;
3885 }
3886
3887
p2p_ctrl_service_add_bonjour(struct wpa_supplicant * wpa_s,char * cmd)3888 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
3889 char *cmd)
3890 {
3891 char *pos;
3892 size_t len;
3893 struct wpabuf *query, *resp;
3894
3895 pos = os_strchr(cmd, ' ');
3896 if (pos == NULL)
3897 return -1;
3898 *pos++ = '\0';
3899
3900 len = os_strlen(cmd);
3901 if (len & 1)
3902 return -1;
3903 len /= 2;
3904 query = wpabuf_alloc(len);
3905 if (query == NULL)
3906 return -1;
3907 if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3908 wpabuf_free(query);
3909 return -1;
3910 }
3911
3912 len = os_strlen(pos);
3913 if (len & 1) {
3914 wpabuf_free(query);
3915 return -1;
3916 }
3917 len /= 2;
3918 resp = wpabuf_alloc(len);
3919 if (resp == NULL) {
3920 wpabuf_free(query);
3921 return -1;
3922 }
3923 if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
3924 wpabuf_free(query);
3925 wpabuf_free(resp);
3926 return -1;
3927 }
3928
3929 if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
3930 wpabuf_free(query);
3931 wpabuf_free(resp);
3932 return -1;
3933 }
3934 return 0;
3935 }
3936
3937
p2p_ctrl_service_add_upnp(struct wpa_supplicant * wpa_s,char * cmd)3938 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3939 {
3940 char *pos;
3941 u8 version;
3942
3943 pos = os_strchr(cmd, ' ');
3944 if (pos == NULL)
3945 return -1;
3946 *pos++ = '\0';
3947
3948 if (hexstr2bin(cmd, &version, 1) < 0)
3949 return -1;
3950
3951 return wpas_p2p_service_add_upnp(wpa_s, version, pos);
3952 }
3953
3954
p2p_ctrl_service_add(struct wpa_supplicant * wpa_s,char * cmd)3955 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
3956 {
3957 char *pos;
3958
3959 pos = os_strchr(cmd, ' ');
3960 if (pos == NULL)
3961 return -1;
3962 *pos++ = '\0';
3963
3964 if (os_strcmp(cmd, "bonjour") == 0)
3965 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
3966 if (os_strcmp(cmd, "upnp") == 0)
3967 return p2p_ctrl_service_add_upnp(wpa_s, pos);
3968 wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3969 return -1;
3970 }
3971
3972
p2p_ctrl_service_del_bonjour(struct wpa_supplicant * wpa_s,char * cmd)3973 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
3974 char *cmd)
3975 {
3976 size_t len;
3977 struct wpabuf *query;
3978 int ret;
3979
3980 len = os_strlen(cmd);
3981 if (len & 1)
3982 return -1;
3983 len /= 2;
3984 query = wpabuf_alloc(len);
3985 if (query == NULL)
3986 return -1;
3987 if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3988 wpabuf_free(query);
3989 return -1;
3990 }
3991
3992 ret = wpas_p2p_service_del_bonjour(wpa_s, query);
3993 wpabuf_free(query);
3994 return ret;
3995 }
3996
3997
p2p_ctrl_service_del_upnp(struct wpa_supplicant * wpa_s,char * cmd)3998 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3999 {
4000 char *pos;
4001 u8 version;
4002
4003 pos = os_strchr(cmd, ' ');
4004 if (pos == NULL)
4005 return -1;
4006 *pos++ = '\0';
4007
4008 if (hexstr2bin(cmd, &version, 1) < 0)
4009 return -1;
4010
4011 return wpas_p2p_service_del_upnp(wpa_s, version, pos);
4012 }
4013
4014
p2p_ctrl_service_del(struct wpa_supplicant * wpa_s,char * cmd)4015 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
4016 {
4017 char *pos;
4018
4019 pos = os_strchr(cmd, ' ');
4020 if (pos == NULL)
4021 return -1;
4022 *pos++ = '\0';
4023
4024 if (os_strcmp(cmd, "bonjour") == 0)
4025 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
4026 if (os_strcmp(cmd, "upnp") == 0)
4027 return p2p_ctrl_service_del_upnp(wpa_s, pos);
4028 wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4029 return -1;
4030 }
4031
4032
p2p_ctrl_reject(struct wpa_supplicant * wpa_s,char * cmd)4033 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
4034 {
4035 u8 addr[ETH_ALEN];
4036
4037 /* <addr> */
4038
4039 if (hwaddr_aton(cmd, addr))
4040 return -1;
4041
4042 return wpas_p2p_reject(wpa_s, addr);
4043 }
4044
4045
p2p_ctrl_invite_persistent(struct wpa_supplicant * wpa_s,char * cmd)4046 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
4047 {
4048 char *pos;
4049 int id;
4050 struct wpa_ssid *ssid;
4051 u8 *_peer = NULL, peer[ETH_ALEN];
4052 int freq = 0, pref_freq = 0;
4053 int ht40;
4054
4055 id = atoi(cmd);
4056 pos = os_strstr(cmd, " peer=");
4057 if (pos) {
4058 pos += 6;
4059 if (hwaddr_aton(pos, peer))
4060 return -1;
4061 _peer = peer;
4062 }
4063 ssid = wpa_config_get_network(wpa_s->conf, id);
4064 if (ssid == NULL || ssid->disabled != 2) {
4065 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4066 "for persistent P2P group",
4067 id);
4068 return -1;
4069 }
4070
4071 pos = os_strstr(cmd, " freq=");
4072 if (pos) {
4073 pos += 6;
4074 freq = atoi(pos);
4075 if (freq <= 0)
4076 return -1;
4077 }
4078
4079 pos = os_strstr(cmd, " pref=");
4080 if (pos) {
4081 pos += 6;
4082 pref_freq = atoi(pos);
4083 if (pref_freq <= 0)
4084 return -1;
4085 }
4086
4087 ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
4088
4089 return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, pref_freq);
4090 }
4091
4092
p2p_ctrl_invite_group(struct wpa_supplicant * wpa_s,char * cmd)4093 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
4094 {
4095 char *pos;
4096 u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
4097
4098 pos = os_strstr(cmd, " peer=");
4099 if (!pos)
4100 return -1;
4101
4102 *pos = '\0';
4103 pos += 6;
4104 if (hwaddr_aton(pos, peer)) {
4105 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
4106 return -1;
4107 }
4108
4109 pos = os_strstr(pos, " go_dev_addr=");
4110 if (pos) {
4111 pos += 13;
4112 if (hwaddr_aton(pos, go_dev_addr)) {
4113 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
4114 pos);
4115 return -1;
4116 }
4117 go_dev = go_dev_addr;
4118 }
4119
4120 return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
4121 }
4122
4123
p2p_ctrl_invite(struct wpa_supplicant * wpa_s,char * cmd)4124 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
4125 {
4126 if (os_strncmp(cmd, "persistent=", 11) == 0)
4127 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
4128 if (os_strncmp(cmd, "group=", 6) == 0)
4129 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
4130
4131 return -1;
4132 }
4133
4134
p2p_ctrl_group_add_persistent(struct wpa_supplicant * wpa_s,char * cmd,int freq,int ht40)4135 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
4136 char *cmd, int freq, int ht40)
4137 {
4138 int id;
4139 struct wpa_ssid *ssid;
4140
4141 id = atoi(cmd);
4142 ssid = wpa_config_get_network(wpa_s->conf, id);
4143 if (ssid == NULL || ssid->disabled != 2) {
4144 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4145 "for persistent P2P group",
4146 id);
4147 return -1;
4148 }
4149
4150 return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40, NULL);
4151 }
4152
4153
p2p_ctrl_group_add(struct wpa_supplicant * wpa_s,char * cmd)4154 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
4155 {
4156 int freq = 0, ht40;
4157 char *pos;
4158
4159 pos = os_strstr(cmd, "freq=");
4160 if (pos)
4161 freq = atoi(pos + 5);
4162
4163 ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
4164
4165 if (os_strncmp(cmd, "persistent=", 11) == 0)
4166 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
4167 ht40);
4168 if (os_strcmp(cmd, "persistent") == 0 ||
4169 os_strncmp(cmd, "persistent ", 11) == 0)
4170 return wpas_p2p_group_add(wpa_s, 1, freq, ht40);
4171 if (os_strncmp(cmd, "freq=", 5) == 0)
4172 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
4173 if (ht40)
4174 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
4175
4176 wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
4177 cmd);
4178 return -1;
4179 }
4180
4181
p2p_ctrl_peer(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)4182 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
4183 char *buf, size_t buflen)
4184 {
4185 u8 addr[ETH_ALEN], *addr_ptr;
4186 int next, res;
4187 const struct p2p_peer_info *info;
4188 char *pos, *end;
4189 char devtype[WPS_DEV_TYPE_BUFSIZE];
4190 struct wpa_ssid *ssid;
4191 size_t i;
4192
4193 if (!wpa_s->global->p2p)
4194 return -1;
4195
4196 if (os_strcmp(cmd, "FIRST") == 0) {
4197 addr_ptr = NULL;
4198 next = 0;
4199 } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4200 if (hwaddr_aton(cmd + 5, addr) < 0)
4201 return -1;
4202 addr_ptr = addr;
4203 next = 1;
4204 } else {
4205 if (hwaddr_aton(cmd, addr) < 0)
4206 return -1;
4207 addr_ptr = addr;
4208 next = 0;
4209 }
4210
4211 info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4212 if (info == NULL)
4213 return -1;
4214
4215 pos = buf;
4216 end = buf + buflen;
4217
4218 res = os_snprintf(pos, end - pos, MACSTR "\n"
4219 "pri_dev_type=%s\n"
4220 "device_name=%s\n"
4221 "manufacturer=%s\n"
4222 "model_name=%s\n"
4223 "model_number=%s\n"
4224 "serial_number=%s\n"
4225 "config_methods=0x%x\n"
4226 "dev_capab=0x%x\n"
4227 "group_capab=0x%x\n"
4228 "level=%d\n",
4229 MAC2STR(info->p2p_device_addr),
4230 wps_dev_type_bin2str(info->pri_dev_type,
4231 devtype, sizeof(devtype)),
4232 info->device_name,
4233 info->manufacturer,
4234 info->model_name,
4235 info->model_number,
4236 info->serial_number,
4237 info->config_methods,
4238 info->dev_capab,
4239 info->group_capab,
4240 info->level);
4241 if (res < 0 || res >= end - pos)
4242 return pos - buf;
4243 pos += res;
4244
4245 for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4246 {
4247 const u8 *t;
4248 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4249 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4250 wps_dev_type_bin2str(t, devtype,
4251 sizeof(devtype)));
4252 if (res < 0 || res >= end - pos)
4253 return pos - buf;
4254 pos += res;
4255 }
4256
4257 ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4258 if (ssid) {
4259 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4260 if (res < 0 || res >= end - pos)
4261 return pos - buf;
4262 pos += res;
4263 }
4264
4265 res = p2p_get_peer_info_txt(info, pos, end - pos);
4266 if (res < 0)
4267 return pos - buf;
4268 pos += res;
4269
4270 return pos - buf;
4271 }
4272
4273
p2p_ctrl_disallow_freq(struct wpa_supplicant * wpa_s,const char * param)4274 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4275 const char *param)
4276 {
4277 struct wpa_freq_range *freq = NULL, *n;
4278 unsigned int count = 0, i;
4279 const char *pos, *pos2, *pos3;
4280
4281 if (wpa_s->global->p2p == NULL)
4282 return -1;
4283
4284 /*
4285 * param includes comma separated frequency range.
4286 * For example: 2412-2432,2462,5000-6000
4287 */
4288 pos = param;
4289 while (pos && pos[0]) {
4290 n = os_realloc_array(freq, count + 1,
4291 sizeof(struct wpa_freq_range));
4292 if (n == NULL) {
4293 os_free(freq);
4294 return -1;
4295 }
4296 freq = n;
4297 freq[count].min = atoi(pos);
4298 pos2 = os_strchr(pos, '-');
4299 pos3 = os_strchr(pos, ',');
4300 if (pos2 && (!pos3 || pos2 < pos3)) {
4301 pos2++;
4302 freq[count].max = atoi(pos2);
4303 } else
4304 freq[count].max = freq[count].min;
4305 pos = pos3;
4306 if (pos)
4307 pos++;
4308 count++;
4309 }
4310
4311 for (i = 0; i < count; i++) {
4312 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4313 freq[i].min, freq[i].max);
4314 }
4315
4316 os_free(wpa_s->global->p2p_disallow_freq);
4317 wpa_s->global->p2p_disallow_freq = freq;
4318 wpa_s->global->num_p2p_disallow_freq = count;
4319 wpas_p2p_update_channel_list(wpa_s);
4320 return 0;
4321 }
4322
4323
p2p_ctrl_set(struct wpa_supplicant * wpa_s,char * cmd)4324 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4325 {
4326 char *param;
4327
4328 if (wpa_s->global->p2p == NULL)
4329 return -1;
4330
4331 param = os_strchr(cmd, ' ');
4332 if (param == NULL)
4333 return -1;
4334 *param++ = '\0';
4335
4336 if (os_strcmp(cmd, "discoverability") == 0) {
4337 p2p_set_client_discoverability(wpa_s->global->p2p,
4338 atoi(param));
4339 return 0;
4340 }
4341
4342 if (os_strcmp(cmd, "managed") == 0) {
4343 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4344 return 0;
4345 }
4346
4347 if (os_strcmp(cmd, "listen_channel") == 0) {
4348 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4349 atoi(param));
4350 }
4351
4352 if (os_strcmp(cmd, "ssid_postfix") == 0) {
4353 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4354 os_strlen(param));
4355 }
4356
4357 if (os_strcmp(cmd, "noa") == 0) {
4358 char *pos;
4359 int count, start, duration;
4360 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4361 count = atoi(param);
4362 pos = os_strchr(param, ',');
4363 if (pos == NULL)
4364 return -1;
4365 pos++;
4366 start = atoi(pos);
4367 pos = os_strchr(pos, ',');
4368 if (pos == NULL)
4369 return -1;
4370 pos++;
4371 duration = atoi(pos);
4372 if (count < 0 || count > 255 || start < 0 || duration < 0)
4373 return -1;
4374 if (count == 0 && duration > 0)
4375 return -1;
4376 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4377 "start=%d duration=%d", count, start, duration);
4378 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4379 }
4380
4381 if (os_strcmp(cmd, "ps") == 0)
4382 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4383
4384 if (os_strcmp(cmd, "oppps") == 0)
4385 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4386
4387 if (os_strcmp(cmd, "ctwindow") == 0)
4388 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4389
4390 if (os_strcmp(cmd, "disabled") == 0) {
4391 wpa_s->global->p2p_disabled = atoi(param);
4392 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4393 wpa_s->global->p2p_disabled ?
4394 "disabled" : "enabled");
4395 if (wpa_s->global->p2p_disabled) {
4396 wpas_p2p_stop_find(wpa_s);
4397 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4398 p2p_flush(wpa_s->global->p2p);
4399 }
4400 return 0;
4401 }
4402
4403 if (os_strcmp(cmd, "conc_pref") == 0) {
4404 if (os_strcmp(param, "sta") == 0)
4405 wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4406 else if (os_strcmp(param, "p2p") == 0)
4407 wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4408 else {
4409 wpa_printf(MSG_INFO, "Invalid conc_pref value");
4410 return -1;
4411 }
4412 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4413 "%s", param);
4414 return 0;
4415 }
4416
4417 if (os_strcmp(cmd, "force_long_sd") == 0) {
4418 wpa_s->force_long_sd = atoi(param);
4419 return 0;
4420 }
4421
4422 if (os_strcmp(cmd, "peer_filter") == 0) {
4423 u8 addr[ETH_ALEN];
4424 if (hwaddr_aton(param, addr))
4425 return -1;
4426 p2p_set_peer_filter(wpa_s->global->p2p, addr);
4427 return 0;
4428 }
4429
4430 if (os_strcmp(cmd, "cross_connect") == 0)
4431 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4432
4433 if (os_strcmp(cmd, "go_apsd") == 0) {
4434 if (os_strcmp(param, "disable") == 0)
4435 wpa_s->set_ap_uapsd = 0;
4436 else {
4437 wpa_s->set_ap_uapsd = 1;
4438 wpa_s->ap_uapsd = atoi(param);
4439 }
4440 return 0;
4441 }
4442
4443 if (os_strcmp(cmd, "client_apsd") == 0) {
4444 if (os_strcmp(param, "disable") == 0)
4445 wpa_s->set_sta_uapsd = 0;
4446 else {
4447 int be, bk, vi, vo;
4448 char *pos;
4449 /* format: BE,BK,VI,VO;max SP Length */
4450 be = atoi(param);
4451 pos = os_strchr(param, ',');
4452 if (pos == NULL)
4453 return -1;
4454 pos++;
4455 bk = atoi(pos);
4456 pos = os_strchr(pos, ',');
4457 if (pos == NULL)
4458 return -1;
4459 pos++;
4460 vi = atoi(pos);
4461 pos = os_strchr(pos, ',');
4462 if (pos == NULL)
4463 return -1;
4464 pos++;
4465 vo = atoi(pos);
4466 /* ignore max SP Length for now */
4467
4468 wpa_s->set_sta_uapsd = 1;
4469 wpa_s->sta_uapsd = 0;
4470 if (be)
4471 wpa_s->sta_uapsd |= BIT(0);
4472 if (bk)
4473 wpa_s->sta_uapsd |= BIT(1);
4474 if (vi)
4475 wpa_s->sta_uapsd |= BIT(2);
4476 if (vo)
4477 wpa_s->sta_uapsd |= BIT(3);
4478 }
4479 return 0;
4480 }
4481
4482 if (os_strcmp(cmd, "disallow_freq") == 0)
4483 return p2p_ctrl_disallow_freq(wpa_s, param);
4484
4485 if (os_strcmp(cmd, "disc_int") == 0) {
4486 int min_disc_int, max_disc_int, max_disc_tu;
4487 char *pos;
4488
4489 pos = param;
4490
4491 min_disc_int = atoi(pos);
4492 pos = os_strchr(pos, ' ');
4493 if (pos == NULL)
4494 return -1;
4495 *pos++ = '\0';
4496
4497 max_disc_int = atoi(pos);
4498 pos = os_strchr(pos, ' ');
4499 if (pos == NULL)
4500 return -1;
4501 *pos++ = '\0';
4502
4503 max_disc_tu = atoi(pos);
4504
4505 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
4506 max_disc_int, max_disc_tu);
4507 }
4508
4509 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
4510 cmd);
4511
4512 return -1;
4513 }
4514
4515
p2p_ctrl_flush(struct wpa_supplicant * wpa_s)4516 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
4517 {
4518 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4519 wpa_s->force_long_sd = 0;
4520 if (wpa_s->global->p2p)
4521 p2p_flush(wpa_s->global->p2p);
4522 }
4523
4524
p2p_ctrl_presence_req(struct wpa_supplicant * wpa_s,char * cmd)4525 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
4526 {
4527 char *pos, *pos2;
4528 unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
4529
4530 if (cmd[0]) {
4531 pos = os_strchr(cmd, ' ');
4532 if (pos == NULL)
4533 return -1;
4534 *pos++ = '\0';
4535 dur1 = atoi(cmd);
4536
4537 pos2 = os_strchr(pos, ' ');
4538 if (pos2)
4539 *pos2++ = '\0';
4540 int1 = atoi(pos);
4541 } else
4542 pos2 = NULL;
4543
4544 if (pos2) {
4545 pos = os_strchr(pos2, ' ');
4546 if (pos == NULL)
4547 return -1;
4548 *pos++ = '\0';
4549 dur2 = atoi(pos2);
4550 int2 = atoi(pos);
4551 }
4552
4553 return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
4554 }
4555
4556
p2p_ctrl_ext_listen(struct wpa_supplicant * wpa_s,char * cmd)4557 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
4558 {
4559 char *pos;
4560 unsigned int period = 0, interval = 0;
4561
4562 if (cmd[0]) {
4563 pos = os_strchr(cmd, ' ');
4564 if (pos == NULL)
4565 return -1;
4566 *pos++ = '\0';
4567 period = atoi(cmd);
4568 interval = atoi(pos);
4569 }
4570
4571 return wpas_p2p_ext_listen(wpa_s, period, interval);
4572 }
4573
4574 #endif /* CONFIG_P2P */
4575
4576
4577 #ifdef CONFIG_INTERWORKING
ctrl_interworking_connect(struct wpa_supplicant * wpa_s,char * dst)4578 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
4579 {
4580 u8 bssid[ETH_ALEN];
4581 struct wpa_bss *bss;
4582
4583 if (hwaddr_aton(dst, bssid)) {
4584 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
4585 return -1;
4586 }
4587
4588 bss = wpa_bss_get_bssid(wpa_s, bssid);
4589 if (bss == NULL) {
4590 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
4591 MAC2STR(bssid));
4592 return -1;
4593 }
4594
4595 return interworking_connect(wpa_s, bss);
4596 }
4597
4598
get_anqp(struct wpa_supplicant * wpa_s,char * dst)4599 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
4600 {
4601 u8 dst_addr[ETH_ALEN];
4602 int used;
4603 char *pos;
4604 #define MAX_ANQP_INFO_ID 100
4605 u16 id[MAX_ANQP_INFO_ID];
4606 size_t num_id = 0;
4607
4608 used = hwaddr_aton2(dst, dst_addr);
4609 if (used < 0)
4610 return -1;
4611 pos = dst + used;
4612 while (num_id < MAX_ANQP_INFO_ID) {
4613 id[num_id] = atoi(pos);
4614 if (id[num_id])
4615 num_id++;
4616 pos = os_strchr(pos + 1, ',');
4617 if (pos == NULL)
4618 break;
4619 pos++;
4620 }
4621
4622 if (num_id == 0)
4623 return -1;
4624
4625 return anqp_send_req(wpa_s, dst_addr, id, num_id);
4626 }
4627
4628
gas_request(struct wpa_supplicant * wpa_s,char * cmd)4629 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
4630 {
4631 u8 dst_addr[ETH_ALEN];
4632 struct wpabuf *advproto, *query = NULL;
4633 int used, ret = -1;
4634 char *pos, *end;
4635 size_t len;
4636
4637 used = hwaddr_aton2(cmd, dst_addr);
4638 if (used < 0)
4639 return -1;
4640
4641 pos = cmd + used;
4642 while (*pos == ' ')
4643 pos++;
4644
4645 /* Advertisement Protocol ID */
4646 end = os_strchr(pos, ' ');
4647 if (end)
4648 len = end - pos;
4649 else
4650 len = os_strlen(pos);
4651 if (len & 0x01)
4652 return -1;
4653 len /= 2;
4654 if (len == 0)
4655 return -1;
4656 advproto = wpabuf_alloc(len);
4657 if (advproto == NULL)
4658 return -1;
4659 if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
4660 goto fail;
4661
4662 if (end) {
4663 /* Optional Query Request */
4664 pos = end + 1;
4665 while (*pos == ' ')
4666 pos++;
4667
4668 len = os_strlen(pos);
4669 if (len) {
4670 if (len & 0x01)
4671 goto fail;
4672 len /= 2;
4673 if (len == 0)
4674 goto fail;
4675 query = wpabuf_alloc(len);
4676 if (query == NULL)
4677 goto fail;
4678 if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
4679 goto fail;
4680 }
4681 }
4682
4683 ret = gas_send_request(wpa_s, dst_addr, advproto, query);
4684
4685 fail:
4686 wpabuf_free(advproto);
4687 wpabuf_free(query);
4688
4689 return ret;
4690 }
4691
4692
gas_response_get(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)4693 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
4694 size_t buflen)
4695 {
4696 u8 addr[ETH_ALEN];
4697 int dialog_token;
4698 int used;
4699 char *pos;
4700 size_t resp_len, start, requested_len;
4701
4702 if (!wpa_s->last_gas_resp)
4703 return -1;
4704
4705 used = hwaddr_aton2(cmd, addr);
4706 if (used < 0)
4707 return -1;
4708
4709 pos = cmd + used;
4710 while (*pos == ' ')
4711 pos++;
4712 dialog_token = atoi(pos);
4713
4714 if (os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) != 0 ||
4715 dialog_token != wpa_s->last_gas_dialog_token)
4716 return -1;
4717
4718 resp_len = wpabuf_len(wpa_s->last_gas_resp);
4719 start = 0;
4720 requested_len = resp_len;
4721
4722 pos = os_strchr(pos, ' ');
4723 if (pos) {
4724 start = atoi(pos);
4725 if (start > resp_len)
4726 return os_snprintf(buf, buflen, "FAIL-Invalid range");
4727 pos = os_strchr(pos, ',');
4728 if (pos == NULL)
4729 return -1;
4730 pos++;
4731 requested_len = atoi(pos);
4732 if (start + requested_len > resp_len)
4733 return os_snprintf(buf, buflen, "FAIL-Invalid range");
4734 }
4735
4736 if (requested_len * 2 + 1 > buflen)
4737 return os_snprintf(buf, buflen, "FAIL-Too long response");
4738
4739 return wpa_snprintf_hex(buf, buflen,
4740 wpabuf_head_u8(wpa_s->last_gas_resp) + start,
4741 requested_len);
4742 }
4743 #endif /* CONFIG_INTERWORKING */
4744
4745
4746 #ifdef CONFIG_HS20
4747
get_hs20_anqp(struct wpa_supplicant * wpa_s,char * dst)4748 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
4749 {
4750 u8 dst_addr[ETH_ALEN];
4751 int used;
4752 char *pos;
4753 u32 subtypes = 0;
4754
4755 used = hwaddr_aton2(dst, dst_addr);
4756 if (used < 0)
4757 return -1;
4758 pos = dst + used;
4759 for (;;) {
4760 int num = atoi(pos);
4761 if (num <= 0 || num > 31)
4762 return -1;
4763 subtypes |= BIT(num);
4764 pos = os_strchr(pos + 1, ',');
4765 if (pos == NULL)
4766 break;
4767 pos++;
4768 }
4769
4770 if (subtypes == 0)
4771 return -1;
4772
4773 return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
4774 }
4775
4776
hs20_nai_home_realm_list(struct wpa_supplicant * wpa_s,const u8 * addr,const char * realm)4777 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4778 const u8 *addr, const char *realm)
4779 {
4780 u8 *buf;
4781 size_t rlen, len;
4782 int ret;
4783
4784 rlen = os_strlen(realm);
4785 len = 3 + rlen;
4786 buf = os_malloc(len);
4787 if (buf == NULL)
4788 return -1;
4789 buf[0] = 1; /* NAI Home Realm Count */
4790 buf[1] = 0; /* Formatted in accordance with RFC 4282 */
4791 buf[2] = rlen;
4792 os_memcpy(buf + 3, realm, rlen);
4793
4794 ret = hs20_anqp_send_req(wpa_s, addr,
4795 BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4796 buf, len);
4797
4798 os_free(buf);
4799
4800 return ret;
4801 }
4802
4803
hs20_get_nai_home_realm_list(struct wpa_supplicant * wpa_s,char * dst)4804 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4805 char *dst)
4806 {
4807 struct wpa_cred *cred = wpa_s->conf->cred;
4808 u8 dst_addr[ETH_ALEN];
4809 int used;
4810 u8 *buf;
4811 size_t len;
4812 int ret;
4813
4814 used = hwaddr_aton2(dst, dst_addr);
4815 if (used < 0)
4816 return -1;
4817
4818 while (dst[used] == ' ')
4819 used++;
4820 if (os_strncmp(dst + used, "realm=", 6) == 0)
4821 return hs20_nai_home_realm_list(wpa_s, dst_addr,
4822 dst + used + 6);
4823
4824 len = os_strlen(dst + used);
4825
4826 if (len == 0 && cred && cred->realm)
4827 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
4828
4829 if (len % 1)
4830 return -1;
4831 len /= 2;
4832 buf = os_malloc(len);
4833 if (buf == NULL)
4834 return -1;
4835 if (hexstr2bin(dst + used, buf, len) < 0) {
4836 os_free(buf);
4837 return -1;
4838 }
4839
4840 ret = hs20_anqp_send_req(wpa_s, dst_addr,
4841 BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4842 buf, len);
4843 os_free(buf);
4844
4845 return ret;
4846 }
4847
4848 #endif /* CONFIG_HS20 */
4849
4850
wpa_supplicant_ctrl_iface_sta_autoconnect(struct wpa_supplicant * wpa_s,char * cmd)4851 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
4852 struct wpa_supplicant *wpa_s, char *cmd)
4853 {
4854 wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
4855 return 0;
4856 }
4857
4858
4859 #ifdef CONFIG_AUTOSCAN
4860
wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant * wpa_s,char * cmd)4861 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
4862 char *cmd)
4863 {
4864 enum wpa_states state = wpa_s->wpa_state;
4865 char *new_params = NULL;
4866
4867 if (os_strlen(cmd) > 0) {
4868 new_params = os_strdup(cmd);
4869 if (new_params == NULL)
4870 return -1;
4871 }
4872
4873 os_free(wpa_s->conf->autoscan);
4874 wpa_s->conf->autoscan = new_params;
4875
4876 if (wpa_s->conf->autoscan == NULL)
4877 autoscan_deinit(wpa_s);
4878 else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
4879 autoscan_init(wpa_s, 1);
4880 else if (state == WPA_SCANNING)
4881 wpa_supplicant_reinit_autoscan(wpa_s);
4882
4883 return 0;
4884 }
4885
4886 #endif /* CONFIG_AUTOSCAN */
4887
4888
4889 #ifdef CONFIG_WNM
4890
wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant * wpa_s,char * cmd)4891 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
4892 {
4893 int enter;
4894 int intval = 0;
4895 char *pos;
4896 int ret;
4897 struct wpabuf *tfs_req = NULL;
4898
4899 if (os_strncmp(cmd, "enter", 5) == 0)
4900 enter = 1;
4901 else if (os_strncmp(cmd, "exit", 4) == 0)
4902 enter = 0;
4903 else
4904 return -1;
4905
4906 pos = os_strstr(cmd, " interval=");
4907 if (pos)
4908 intval = atoi(pos + 10);
4909
4910 pos = os_strstr(cmd, " tfs_req=");
4911 if (pos) {
4912 char *end;
4913 size_t len;
4914 pos += 9;
4915 end = os_strchr(pos, ' ');
4916 if (end)
4917 len = end - pos;
4918 else
4919 len = os_strlen(pos);
4920 if (len & 1)
4921 return -1;
4922 len /= 2;
4923 tfs_req = wpabuf_alloc(len);
4924 if (tfs_req == NULL)
4925 return -1;
4926 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
4927 wpabuf_free(tfs_req);
4928 return -1;
4929 }
4930 }
4931
4932 ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
4933 WNM_SLEEP_MODE_EXIT, intval,
4934 tfs_req);
4935 wpabuf_free(tfs_req);
4936
4937 return ret;
4938 }
4939
4940 #endif /* CONFIG_WNM */
4941
4942
wpa_supplicant_signal_poll(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)4943 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
4944 size_t buflen)
4945 {
4946 struct wpa_signal_info si;
4947 int ret;
4948
4949 ret = wpa_drv_signal_poll(wpa_s, &si);
4950 if (ret)
4951 return -1;
4952
4953 ret = os_snprintf(buf, buflen, "RSSI=%d\nLINKSPEED=%d\n"
4954 "NOISE=%d\nFREQUENCY=%u\n",
4955 si.current_signal, si.current_txrate / 1000,
4956 si.current_noise, si.frequency);
4957 if (ret < 0 || (unsigned int) ret > buflen)
4958 return -1;
4959 return ret;
4960 }
4961
4962
wpa_supplicant_pktcnt_poll(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)4963 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
4964 size_t buflen)
4965 {
4966 struct hostap_sta_driver_data sta;
4967 int ret;
4968
4969 ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
4970 if (ret)
4971 return -1;
4972
4973 ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
4974 sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
4975 if (ret < 0 || (size_t) ret > buflen)
4976 return -1;
4977 return ret;
4978 }
4979
4980
4981 #ifdef ANDROID
wpa_supplicant_driver_cmd(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)4982 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
4983 char *buf, size_t buflen)
4984 {
4985 int ret;
4986
4987 ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
4988 if (ret == 0)
4989 ret = sprintf(buf, "%s\n", "OK");
4990 return ret;
4991 }
4992 #endif
4993
4994
wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant * wpa_s)4995 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
4996 {
4997 wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
4998
4999 #ifdef CONFIG_P2P
5000 wpas_p2p_stop_find(wpa_s);
5001 p2p_ctrl_flush(wpa_s);
5002 wpas_p2p_group_remove(wpa_s, "*");
5003 #endif /* CONFIG_P2P */
5004
5005 #ifdef CONFIG_WPS_TESTING
5006 wps_version_number = 0x20;
5007 wps_testing_dummy_cred = 0;
5008 #endif /* CONFIG_WPS_TESTING */
5009 #ifdef CONFIG_WPS
5010 wpas_wps_cancel(wpa_s);
5011 #endif /* CONFIG_WPS */
5012
5013 #ifdef CONFIG_TDLS_TESTING
5014 extern unsigned int tdls_testing;
5015 tdls_testing = 0;
5016 #endif /* CONFIG_TDLS_TESTING */
5017 #ifdef CONFIG_TDLS
5018 wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
5019 wpa_tdls_enable(wpa_s->wpa, 1);
5020 #endif /* CONFIG_TDLS */
5021
5022 wpa_s->no_keep_alive = 0;
5023
5024 os_free(wpa_s->disallow_aps_bssid);
5025 wpa_s->disallow_aps_bssid = NULL;
5026 wpa_s->disallow_aps_bssid_count = 0;
5027 os_free(wpa_s->disallow_aps_ssid);
5028 wpa_s->disallow_aps_ssid = NULL;
5029 wpa_s->disallow_aps_ssid_count = 0;
5030
5031 wpa_s->set_sta_uapsd = 0;
5032 wpa_s->sta_uapsd = 0;
5033
5034 wpa_drv_radio_disable(wpa_s, 0);
5035
5036 wpa_bss_flush(wpa_s);
5037 wpa_blacklist_clear(wpa_s);
5038 wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
5039 wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
5040 }
5041
5042
wpa_supplicant_ctrl_iface_process(struct wpa_supplicant * wpa_s,char * buf,size_t * resp_len)5043 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
5044 char *buf, size_t *resp_len)
5045 {
5046 char *reply;
5047 const int reply_size = 4096;
5048 int ctrl_rsp = 0;
5049 int reply_len;
5050
5051 if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
5052 os_strncmp(buf, "SET_NETWORK ", 12) == 0 ||
5053 os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
5054 os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0 ||
5055 os_strncmp(buf, "NFC_RX_HANDOVER_SEL", 19) == 0) {
5056 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
5057 (const u8 *) buf, os_strlen(buf));
5058 } else {
5059 int level = MSG_DEBUG;
5060 if (os_strcmp(buf, "PING") == 0)
5061 level = MSG_EXCESSIVE;
5062 wpa_hexdump_ascii(level, "RX ctrl_iface",
5063 (const u8 *) buf, os_strlen(buf));
5064 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
5065 }
5066
5067 reply = os_malloc(reply_size);
5068 if (reply == NULL) {
5069 *resp_len = 1;
5070 return NULL;
5071 }
5072
5073 os_memcpy(reply, "OK\n", 3);
5074 reply_len = 3;
5075
5076 if (os_strcmp(buf, "PING") == 0) {
5077 os_memcpy(reply, "PONG\n", 5);
5078 reply_len = 5;
5079 } else if (os_strcmp(buf, "IFNAME") == 0) {
5080 reply_len = os_strlen(wpa_s->ifname);
5081 os_memcpy(reply, wpa_s->ifname, reply_len);
5082 } else if (os_strncmp(buf, "RELOG", 5) == 0) {
5083 if (wpa_debug_reopen_file() < 0)
5084 reply_len = -1;
5085 } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
5086 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
5087 } else if (os_strcmp(buf, "MIB") == 0) {
5088 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
5089 if (reply_len >= 0) {
5090 int res;
5091 res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
5092 reply_size - reply_len);
5093 if (res < 0)
5094 reply_len = -1;
5095 else
5096 reply_len += res;
5097 }
5098 } else if (os_strncmp(buf, "STATUS", 6) == 0) {
5099 reply_len = wpa_supplicant_ctrl_iface_status(
5100 wpa_s, buf + 6, reply, reply_size);
5101 } else if (os_strcmp(buf, "PMKSA") == 0) {
5102 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
5103 reply_size);
5104 } else if (os_strncmp(buf, "SET ", 4) == 0) {
5105 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
5106 reply_len = -1;
5107 } else if (os_strncmp(buf, "GET ", 4) == 0) {
5108 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
5109 reply, reply_size);
5110 } else if (os_strcmp(buf, "LOGON") == 0) {
5111 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
5112 } else if (os_strcmp(buf, "LOGOFF") == 0) {
5113 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
5114 } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
5115 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5116 reply_len = -1;
5117 else
5118 wpas_request_connection(wpa_s);
5119 } else if (os_strcmp(buf, "RECONNECT") == 0) {
5120 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5121 reply_len = -1;
5122 else if (wpa_s->disconnected)
5123 wpas_request_connection(wpa_s);
5124 #ifdef IEEE8021X_EAPOL
5125 } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
5126 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
5127 reply_len = -1;
5128 #endif /* IEEE8021X_EAPOL */
5129 #ifdef CONFIG_PEERKEY
5130 } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
5131 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
5132 reply_len = -1;
5133 #endif /* CONFIG_PEERKEY */
5134 #ifdef CONFIG_IEEE80211R
5135 } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
5136 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
5137 reply_len = -1;
5138 #endif /* CONFIG_IEEE80211R */
5139 #ifdef CONFIG_WPS
5140 } else if (os_strcmp(buf, "WPS_PBC") == 0) {
5141 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
5142 if (res == -2) {
5143 os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5144 reply_len = 17;
5145 } else if (res)
5146 reply_len = -1;
5147 } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
5148 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
5149 if (res == -2) {
5150 os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5151 reply_len = 17;
5152 } else if (res)
5153 reply_len = -1;
5154 } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
5155 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
5156 reply,
5157 reply_size);
5158 } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
5159 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
5160 wpa_s, buf + 14, reply, reply_size);
5161 } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
5162 if (wpas_wps_cancel(wpa_s))
5163 reply_len = -1;
5164 #ifdef CONFIG_WPS_NFC
5165 } else if (os_strcmp(buf, "WPS_NFC") == 0) {
5166 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
5167 reply_len = -1;
5168 } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
5169 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
5170 reply_len = -1;
5171 } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
5172 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
5173 wpa_s, buf + 21, reply, reply_size);
5174 } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
5175 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
5176 wpa_s, buf + 14, reply, reply_size);
5177 } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
5178 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
5179 buf + 17))
5180 reply_len = -1;
5181 } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
5182 reply_len = wpas_ctrl_nfc_get_handover_req(
5183 wpa_s, buf + 21, reply, reply_size);
5184 } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
5185 reply_len = wpas_ctrl_nfc_get_handover_sel(
5186 wpa_s, buf + 21, reply, reply_size);
5187 } else if (os_strncmp(buf, "NFC_RX_HANDOVER_REQ ", 20) == 0) {
5188 reply_len = wpas_ctrl_nfc_rx_handover_req(
5189 wpa_s, buf + 20, reply, reply_size);
5190 } else if (os_strncmp(buf, "NFC_RX_HANDOVER_SEL ", 20) == 0) {
5191 if (wpas_ctrl_nfc_rx_handover_sel(wpa_s, buf + 20))
5192 reply_len = -1;
5193 } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
5194 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
5195 reply_len = -1;
5196 #endif /* CONFIG_WPS_NFC */
5197 } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
5198 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
5199 reply_len = -1;
5200 #ifdef CONFIG_AP
5201 } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
5202 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
5203 wpa_s, buf + 11, reply, reply_size);
5204 #endif /* CONFIG_AP */
5205 #ifdef CONFIG_WPS_ER
5206 } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
5207 if (wpas_wps_er_start(wpa_s, NULL))
5208 reply_len = -1;
5209 } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
5210 if (wpas_wps_er_start(wpa_s, buf + 13))
5211 reply_len = -1;
5212 } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
5213 if (wpas_wps_er_stop(wpa_s))
5214 reply_len = -1;
5215 } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
5216 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
5217 reply_len = -1;
5218 } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
5219 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
5220 if (ret == -2) {
5221 os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5222 reply_len = 17;
5223 } else if (ret == -3) {
5224 os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
5225 reply_len = 18;
5226 } else if (ret == -4) {
5227 os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
5228 reply_len = 20;
5229 } else if (ret)
5230 reply_len = -1;
5231 } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
5232 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
5233 reply_len = -1;
5234 } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
5235 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
5236 buf + 18))
5237 reply_len = -1;
5238 } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
5239 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
5240 reply_len = -1;
5241 #ifdef CONFIG_WPS_NFC
5242 } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
5243 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
5244 wpa_s, buf + 24, reply, reply_size);
5245 #endif /* CONFIG_WPS_NFC */
5246 #endif /* CONFIG_WPS_ER */
5247 #endif /* CONFIG_WPS */
5248 #ifdef CONFIG_IBSS_RSN
5249 } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
5250 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
5251 reply_len = -1;
5252 #endif /* CONFIG_IBSS_RSN */
5253 #ifdef CONFIG_P2P
5254 } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
5255 if (p2p_ctrl_find(wpa_s, buf + 9))
5256 reply_len = -1;
5257 } else if (os_strcmp(buf, "P2P_FIND") == 0) {
5258 if (p2p_ctrl_find(wpa_s, ""))
5259 reply_len = -1;
5260 } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
5261 wpas_p2p_stop_find(wpa_s);
5262 } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
5263 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
5264 reply_size);
5265 } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
5266 if (p2p_ctrl_listen(wpa_s, buf + 11))
5267 reply_len = -1;
5268 } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
5269 if (p2p_ctrl_listen(wpa_s, ""))
5270 reply_len = -1;
5271 } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
5272 if (wpas_p2p_group_remove(wpa_s, buf + 17))
5273 reply_len = -1;
5274 } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
5275 if (wpas_p2p_group_add(wpa_s, 0, 0, 0))
5276 reply_len = -1;
5277 } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
5278 if (p2p_ctrl_group_add(wpa_s, buf + 14))
5279 reply_len = -1;
5280 } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
5281 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
5282 reply_len = -1;
5283 } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
5284 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
5285 } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
5286 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
5287 reply_size);
5288 } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
5289 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
5290 reply_len = -1;
5291 } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
5292 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
5293 reply_len = -1;
5294 } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
5295 #ifdef ANDROID_P2P
5296 wpas_p2p_sd_service_update(wpa_s, SRV_UPDATE);
5297 #else
5298 wpas_p2p_sd_service_update(wpa_s);
5299 #endif
5300 } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
5301 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
5302 reply_len = -1;
5303 } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
5304 wpas_p2p_service_flush(wpa_s);
5305 } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
5306 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
5307 reply_len = -1;
5308 } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
5309 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
5310 reply_len = -1;
5311 } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
5312 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
5313 reply_len = -1;
5314 } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
5315 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
5316 reply_len = -1;
5317 } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
5318 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
5319 reply_size);
5320 } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
5321 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
5322 reply_len = -1;
5323 } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
5324 p2p_ctrl_flush(wpa_s);
5325 } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
5326 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
5327 reply_len = -1;
5328 } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
5329 if (wpas_p2p_cancel(wpa_s))
5330 reply_len = -1;
5331 } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
5332 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
5333 reply_len = -1;
5334 } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
5335 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
5336 reply_len = -1;
5337 } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
5338 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
5339 reply_len = -1;
5340 } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
5341 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
5342 reply_len = -1;
5343 #endif /* CONFIG_P2P */
5344 #ifdef CONFIG_WIFI_DISPLAY
5345 } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
5346 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
5347 reply_len = -1;
5348 } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
5349 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
5350 reply, reply_size);
5351 #endif /* CONFIG_WIFI_DISPLAY */
5352 #ifdef CONFIG_INTERWORKING
5353 } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
5354 if (interworking_fetch_anqp(wpa_s) < 0)
5355 reply_len = -1;
5356 } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
5357 interworking_stop_fetch_anqp(wpa_s);
5358 } else if (os_strncmp(buf, "INTERWORKING_SELECT", 19) == 0) {
5359 if (interworking_select(wpa_s, os_strstr(buf + 19, "auto") !=
5360 NULL) < 0)
5361 reply_len = -1;
5362 } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
5363 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
5364 reply_len = -1;
5365 } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
5366 if (get_anqp(wpa_s, buf + 9) < 0)
5367 reply_len = -1;
5368 } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
5369 if (gas_request(wpa_s, buf + 12) < 0)
5370 reply_len = -1;
5371 } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
5372 reply_len = gas_response_get(wpa_s, buf + 17, reply,
5373 reply_size);
5374 #endif /* CONFIG_INTERWORKING */
5375 #ifdef CONFIG_HS20
5376 } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
5377 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
5378 reply_len = -1;
5379 } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
5380 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
5381 reply_len = -1;
5382 #endif /* CONFIG_HS20 */
5383 } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
5384 {
5385 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
5386 wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
5387 reply_len = -1;
5388 else
5389 ctrl_rsp = 1;
5390 } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
5391 if (wpa_supplicant_reload_configuration(wpa_s))
5392 reply_len = -1;
5393 } else if (os_strcmp(buf, "TERMINATE") == 0) {
5394 wpa_supplicant_terminate_proc(wpa_s->global);
5395 } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
5396 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
5397 reply_len = -1;
5398 } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
5399 reply_len = wpa_supplicant_ctrl_iface_blacklist(
5400 wpa_s, buf + 9, reply, reply_size);
5401 } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
5402 reply_len = wpa_supplicant_ctrl_iface_log_level(
5403 wpa_s, buf + 9, reply, reply_size);
5404 } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
5405 reply_len = wpa_supplicant_ctrl_iface_list_networks(
5406 wpa_s, reply, reply_size);
5407 } else if (os_strcmp(buf, "DISCONNECT") == 0) {
5408 #ifdef CONFIG_SME
5409 wpa_s->sme.prev_bssid_set = 0;
5410 #endif /* CONFIG_SME */
5411 wpa_s->reassociate = 0;
5412 wpa_s->disconnected = 1;
5413 wpa_supplicant_cancel_sched_scan(wpa_s);
5414 wpa_supplicant_cancel_scan(wpa_s);
5415 wpa_supplicant_deauthenticate(wpa_s,
5416 WLAN_REASON_DEAUTH_LEAVING);
5417 } else if (os_strcmp(buf, "SCAN") == 0 ||
5418 os_strncmp(buf, "SCAN ", 5) == 0) {
5419 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5420 reply_len = -1;
5421 else {
5422 if (os_strlen(buf) > 4 &&
5423 os_strncasecmp(buf + 5, "TYPE=ONLY", 9) == 0)
5424 wpa_s->scan_res_handler = scan_only_handler;
5425 if (!wpa_s->sched_scanning && !wpa_s->scanning &&
5426 ((wpa_s->wpa_state <= WPA_SCANNING) ||
5427 (wpa_s->wpa_state == WPA_COMPLETED))) {
5428 wpa_s->normal_scans = 0;
5429 wpa_s->scan_req = MANUAL_SCAN_REQ;
5430 wpa_supplicant_req_scan(wpa_s, 0, 0);
5431 } else if (wpa_s->sched_scanning) {
5432 wpa_printf(MSG_DEBUG, "Stop ongoing "
5433 "sched_scan to allow requested "
5434 "full scan to proceed");
5435 wpa_supplicant_cancel_sched_scan(wpa_s);
5436 wpa_s->scan_req = MANUAL_SCAN_REQ;
5437 wpa_supplicant_req_scan(wpa_s, 0, 0);
5438 } else {
5439 wpa_printf(MSG_DEBUG, "Ongoing scan action - "
5440 "reject new request");
5441 reply_len = os_snprintf(reply, reply_size,
5442 "FAIL-BUSY\n");
5443 }
5444 }
5445 } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
5446 reply_len = wpa_supplicant_ctrl_iface_scan_results(
5447 wpa_s, reply, reply_size);
5448 } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
5449 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
5450 reply_len = -1;
5451 } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
5452 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
5453 reply_len = -1;
5454 } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
5455 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
5456 reply_len = -1;
5457 } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
5458 reply_len = wpa_supplicant_ctrl_iface_add_network(
5459 wpa_s, reply, reply_size);
5460 } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
5461 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
5462 reply_len = -1;
5463 } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
5464 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
5465 reply_len = -1;
5466 } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
5467 reply_len = wpa_supplicant_ctrl_iface_get_network(
5468 wpa_s, buf + 12, reply, reply_size);
5469 } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
5470 reply_len = wpa_supplicant_ctrl_iface_list_creds(
5471 wpa_s, reply, reply_size);
5472 } else if (os_strcmp(buf, "ADD_CRED") == 0) {
5473 reply_len = wpa_supplicant_ctrl_iface_add_cred(
5474 wpa_s, reply, reply_size);
5475 } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
5476 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
5477 reply_len = -1;
5478 } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
5479 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
5480 reply_len = -1;
5481 #ifndef CONFIG_NO_CONFIG_WRITE
5482 } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
5483 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
5484 reply_len = -1;
5485 #endif /* CONFIG_NO_CONFIG_WRITE */
5486 } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
5487 reply_len = wpa_supplicant_ctrl_iface_get_capability(
5488 wpa_s, buf + 15, reply, reply_size);
5489 } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
5490 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
5491 reply_len = -1;
5492 } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
5493 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
5494 reply_len = -1;
5495 } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5496 reply_len = wpa_supplicant_global_iface_list(
5497 wpa_s->global, reply, reply_size);
5498 } else if (os_strcmp(buf, "INTERFACES") == 0) {
5499 reply_len = wpa_supplicant_global_iface_interfaces(
5500 wpa_s->global, reply, reply_size);
5501 } else if (os_strncmp(buf, "BSS ", 4) == 0) {
5502 reply_len = wpa_supplicant_ctrl_iface_bss(
5503 wpa_s, buf + 4, reply, reply_size);
5504 #ifdef CONFIG_AP
5505 } else if (os_strcmp(buf, "STA-FIRST") == 0) {
5506 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
5507 } else if (os_strncmp(buf, "STA ", 4) == 0) {
5508 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
5509 reply_size);
5510 } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
5511 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
5512 reply_size);
5513 } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
5514 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
5515 reply_len = -1;
5516 } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
5517 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
5518 reply_len = -1;
5519 #endif /* CONFIG_AP */
5520 } else if (os_strcmp(buf, "SUSPEND") == 0) {
5521 wpas_notify_suspend(wpa_s->global);
5522 } else if (os_strcmp(buf, "RESUME") == 0) {
5523 wpas_notify_resume(wpa_s->global);
5524 } else if (os_strcmp(buf, "DROP_SA") == 0) {
5525 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
5526 } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
5527 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
5528 reply_len = -1;
5529 } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
5530 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
5531 reply_len = -1;
5532 } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
5533 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
5534 reply_len = -1;
5535 } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
5536 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
5537 buf + 17))
5538 reply_len = -1;
5539 } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
5540 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
5541 reply_len = -1;
5542 #ifdef CONFIG_TDLS
5543 } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
5544 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
5545 reply_len = -1;
5546 } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
5547 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
5548 reply_len = -1;
5549 } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
5550 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
5551 reply_len = -1;
5552 #endif /* CONFIG_TDLS */
5553 } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
5554 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
5555 reply_size);
5556 } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
5557 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
5558 reply_size);
5559 #ifdef CONFIG_AUTOSCAN
5560 } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
5561 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
5562 reply_len = -1;
5563 #endif /* CONFIG_AUTOSCAN */
5564 #ifdef ANDROID
5565 } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
5566 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
5567 reply_size);
5568 #endif
5569 } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
5570 pmksa_cache_clear_current(wpa_s->wpa);
5571 eapol_sm_request_reauth(wpa_s->eapol);
5572 #ifdef CONFIG_WNM
5573 } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
5574 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
5575 reply_len = -1;
5576 #endif /* CONFIG_WNM */
5577 } else if (os_strcmp(buf, "FLUSH") == 0) {
5578 wpa_supplicant_ctrl_iface_flush(wpa_s);
5579 } else {
5580 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5581 reply_len = 16;
5582 }
5583
5584 if (reply_len < 0) {
5585 os_memcpy(reply, "FAIL\n", 5);
5586 reply_len = 5;
5587 }
5588
5589 if (ctrl_rsp)
5590 eapol_sm_notify_ctrl_response(wpa_s->eapol);
5591
5592 *resp_len = reply_len;
5593 return reply;
5594 }
5595
5596
wpa_supplicant_global_iface_add(struct wpa_global * global,char * cmd)5597 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
5598 char *cmd)
5599 {
5600 struct wpa_interface iface;
5601 char *pos;
5602
5603 /*
5604 * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
5605 * TAB<bridge_ifname>
5606 */
5607 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
5608
5609 os_memset(&iface, 0, sizeof(iface));
5610
5611 do {
5612 iface.ifname = pos = cmd;
5613 pos = os_strchr(pos, '\t');
5614 if (pos)
5615 *pos++ = '\0';
5616 if (iface.ifname[0] == '\0')
5617 return -1;
5618 if (pos == NULL)
5619 break;
5620
5621 iface.confname = pos;
5622 pos = os_strchr(pos, '\t');
5623 if (pos)
5624 *pos++ = '\0';
5625 if (iface.confname[0] == '\0')
5626 iface.confname = NULL;
5627 if (pos == NULL)
5628 break;
5629
5630 iface.driver = pos;
5631 pos = os_strchr(pos, '\t');
5632 if (pos)
5633 *pos++ = '\0';
5634 if (iface.driver[0] == '\0')
5635 iface.driver = NULL;
5636 if (pos == NULL)
5637 break;
5638
5639 iface.ctrl_interface = pos;
5640 pos = os_strchr(pos, '\t');
5641 if (pos)
5642 *pos++ = '\0';
5643 if (iface.ctrl_interface[0] == '\0')
5644 iface.ctrl_interface = NULL;
5645 if (pos == NULL)
5646 break;
5647
5648 iface.driver_param = pos;
5649 pos = os_strchr(pos, '\t');
5650 if (pos)
5651 *pos++ = '\0';
5652 if (iface.driver_param[0] == '\0')
5653 iface.driver_param = NULL;
5654 if (pos == NULL)
5655 break;
5656
5657 iface.bridge_ifname = pos;
5658 pos = os_strchr(pos, '\t');
5659 if (pos)
5660 *pos++ = '\0';
5661 if (iface.bridge_ifname[0] == '\0')
5662 iface.bridge_ifname = NULL;
5663 if (pos == NULL)
5664 break;
5665 } while (0);
5666
5667 if (wpa_supplicant_get_iface(global, iface.ifname))
5668 return -1;
5669
5670 return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
5671 }
5672
5673
wpa_supplicant_global_iface_remove(struct wpa_global * global,char * cmd)5674 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
5675 char *cmd)
5676 {
5677 struct wpa_supplicant *wpa_s;
5678
5679 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
5680
5681 wpa_s = wpa_supplicant_get_iface(global, cmd);
5682 if (wpa_s == NULL)
5683 return -1;
5684 return wpa_supplicant_remove_iface(global, wpa_s, 0);
5685 }
5686
5687
wpa_free_iface_info(struct wpa_interface_info * iface)5688 static void wpa_free_iface_info(struct wpa_interface_info *iface)
5689 {
5690 struct wpa_interface_info *prev;
5691
5692 while (iface) {
5693 prev = iface;
5694 iface = iface->next;
5695
5696 os_free(prev->ifname);
5697 os_free(prev->desc);
5698 os_free(prev);
5699 }
5700 }
5701
5702
wpa_supplicant_global_iface_list(struct wpa_global * global,char * buf,int len)5703 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
5704 char *buf, int len)
5705 {
5706 int i, res;
5707 struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
5708 char *pos, *end;
5709
5710 for (i = 0; wpa_drivers[i]; i++) {
5711 struct wpa_driver_ops *drv = wpa_drivers[i];
5712 if (drv->get_interfaces == NULL)
5713 continue;
5714 tmp = drv->get_interfaces(global->drv_priv[i]);
5715 if (tmp == NULL)
5716 continue;
5717
5718 if (last == NULL)
5719 iface = last = tmp;
5720 else
5721 last->next = tmp;
5722 while (last->next)
5723 last = last->next;
5724 }
5725
5726 pos = buf;
5727 end = buf + len;
5728 for (tmp = iface; tmp; tmp = tmp->next) {
5729 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
5730 tmp->drv_name, tmp->ifname,
5731 tmp->desc ? tmp->desc : "");
5732 if (res < 0 || res >= end - pos) {
5733 *pos = '\0';
5734 break;
5735 }
5736 pos += res;
5737 }
5738
5739 wpa_free_iface_info(iface);
5740
5741 return pos - buf;
5742 }
5743
5744
wpa_supplicant_global_iface_interfaces(struct wpa_global * global,char * buf,int len)5745 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
5746 char *buf, int len)
5747 {
5748 int res;
5749 char *pos, *end;
5750 struct wpa_supplicant *wpa_s;
5751
5752 wpa_s = global->ifaces;
5753 pos = buf;
5754 end = buf + len;
5755
5756 while (wpa_s) {
5757 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
5758 if (res < 0 || res >= end - pos) {
5759 *pos = '\0';
5760 break;
5761 }
5762 pos += res;
5763 wpa_s = wpa_s->next;
5764 }
5765 return pos - buf;
5766 }
5767
5768
wpa_supplicant_global_ctrl_iface_process(struct wpa_global * global,char * buf,size_t * resp_len)5769 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
5770 char *buf, size_t *resp_len)
5771 {
5772 char *reply;
5773 const int reply_size = 2048;
5774 int reply_len;
5775 int level = MSG_DEBUG;
5776
5777 if (os_strcmp(buf, "PING") == 0)
5778 level = MSG_EXCESSIVE;
5779 wpa_hexdump_ascii(level, "RX global ctrl_iface",
5780 (const u8 *) buf, os_strlen(buf));
5781
5782 reply = os_malloc(reply_size);
5783 if (reply == NULL) {
5784 *resp_len = 1;
5785 return NULL;
5786 }
5787
5788 os_memcpy(reply, "OK\n", 3);
5789 reply_len = 3;
5790
5791 if (os_strcmp(buf, "PING") == 0) {
5792 os_memcpy(reply, "PONG\n", 5);
5793 reply_len = 5;
5794 } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
5795 if (wpa_supplicant_global_iface_add(global, buf + 14))
5796 reply_len = -1;
5797 } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
5798 if (wpa_supplicant_global_iface_remove(global, buf + 17))
5799 reply_len = -1;
5800 } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5801 reply_len = wpa_supplicant_global_iface_list(
5802 global, reply, reply_size);
5803 } else if (os_strcmp(buf, "INTERFACES") == 0) {
5804 reply_len = wpa_supplicant_global_iface_interfaces(
5805 global, reply, reply_size);
5806 } else if (os_strcmp(buf, "TERMINATE") == 0) {
5807 wpa_supplicant_terminate_proc(global);
5808 } else if (os_strcmp(buf, "SUSPEND") == 0) {
5809 wpas_notify_suspend(global);
5810 } else if (os_strcmp(buf, "RESUME") == 0) {
5811 wpas_notify_resume(global);
5812 } else {
5813 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5814 reply_len = 16;
5815 }
5816
5817 if (reply_len < 0) {
5818 os_memcpy(reply, "FAIL\n", 5);
5819 reply_len = 5;
5820 }
5821
5822 *resp_len = reply_len;
5823 return reply;
5824 }
5825