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1 /*
2 * WPA Supplicant / Control interface (shared code for all backends)
3 * Copyright (c) 2004-2012, Jouni Malinen <j@w1.fi>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9 #include "utils/includes.h"
10
11 #include "utils/common.h"
12 #include "utils/eloop.h"
13 #include "common/version.h"
14 #include "common/ieee802_11_defs.h"
15 #include "common/ieee802_11_common.h"
16 #include "common/wpa_ctrl.h"
17 #include "eap_peer/eap.h"
18 #include "eapol_supp/eapol_supp_sm.h"
19 #include "rsn_supp/wpa.h"
20 #include "rsn_supp/preauth.h"
21 #include "rsn_supp/pmksa_cache.h"
22 #include "l2_packet/l2_packet.h"
23 #include "wps/wps.h"
24 #include "config.h"
25 #include "wpa_supplicant_i.h"
26 #include "driver_i.h"
27 #include "wps_supplicant.h"
28 #include "ibss_rsn.h"
29 #include "ap.h"
30 #include "p2p_supplicant.h"
31 #include "p2p/p2p.h"
32 #include "hs20_supplicant.h"
33 #include "wifi_display.h"
34 #include "notify.h"
35 #include "bss.h"
36 #include "scan.h"
37 #include "ctrl_iface.h"
38 #include "interworking.h"
39 #include "blacklist.h"
40 #include "autoscan.h"
41 #include "wnm_sta.h"
42
43 extern struct wpa_driver_ops *wpa_drivers[];
44
45 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
46 char *buf, int len);
47 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
48 char *buf, int len);
49
50
51 static int pno_start(struct wpa_supplicant *wpa_s)
52 {
53 int ret;
54 size_t i, num_ssid;
55 struct wpa_ssid *ssid;
56 struct wpa_driver_scan_params params;
57
58 if (wpa_s->pno)
59 return 0;
60
61 if (wpa_s->wpa_state == WPA_SCANNING) {
62 wpa_supplicant_cancel_sched_scan(wpa_s);
63 wpa_supplicant_cancel_scan(wpa_s);
64 }
65
66 os_memset(&params, 0, sizeof(params));
67
68 num_ssid = 0;
69 ssid = wpa_s->conf->ssid;
70 while (ssid) {
71 if (!wpas_network_disabled(wpa_s, ssid))
72 num_ssid++;
73 ssid = ssid->next;
74 }
75 if (num_ssid > WPAS_MAX_SCAN_SSIDS) {
76 wpa_printf(MSG_DEBUG, "PNO: Use only the first %u SSIDs from "
77 "%u", WPAS_MAX_SCAN_SSIDS, (unsigned int) num_ssid);
78 num_ssid = WPAS_MAX_SCAN_SSIDS;
79 }
80
81 if (num_ssid == 0) {
82 wpa_printf(MSG_DEBUG, "PNO: No configured SSIDs");
83 return -1;
84 }
85
86 params.filter_ssids = os_malloc(sizeof(struct wpa_driver_scan_filter) *
87 num_ssid);
88 if (params.filter_ssids == NULL)
89 return -1;
90 i = 0;
91 ssid = wpa_s->conf->ssid;
92 while (ssid) {
93 if (!wpas_network_disabled(wpa_s, ssid)) {
94 params.ssids[i].ssid = ssid->ssid;
95 params.ssids[i].ssid_len = ssid->ssid_len;
96 params.num_ssids++;
97 os_memcpy(params.filter_ssids[i].ssid, ssid->ssid,
98 ssid->ssid_len);
99 params.filter_ssids[i].ssid_len = ssid->ssid_len;
100 params.num_filter_ssids++;
101 i++;
102 if (i == num_ssid)
103 break;
104 }
105 ssid = ssid->next;
106 }
107
108 if (wpa_s->conf->filter_rssi)
109 params.filter_rssi = wpa_s->conf->filter_rssi;
110
111 ret = wpa_drv_sched_scan(wpa_s, &params, 10 * 1000);
112 os_free(params.filter_ssids);
113 if (ret == 0)
114 wpa_s->pno = 1;
115 return ret;
116 }
117
118
119 static int pno_stop(struct wpa_supplicant *wpa_s)
120 {
121 int ret = 0;
122
123 if (wpa_s->pno) {
124 wpa_s->pno = 0;
125 ret = wpa_drv_stop_sched_scan(wpa_s);
126 }
127
128 if (wpa_s->wpa_state == WPA_SCANNING)
129 wpa_supplicant_req_scan(wpa_s, 0, 0);
130
131 return ret;
132 }
133
134
135 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
136 {
137 char *pos;
138 u8 addr[ETH_ALEN], *filter = NULL, *n;
139 size_t count = 0;
140
141 pos = val;
142 while (pos) {
143 if (*pos == '\0')
144 break;
145 if (hwaddr_aton(pos, addr)) {
146 os_free(filter);
147 return -1;
148 }
149 n = os_realloc_array(filter, count + 1, ETH_ALEN);
150 if (n == NULL) {
151 os_free(filter);
152 return -1;
153 }
154 filter = n;
155 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
156 count++;
157
158 pos = os_strchr(pos, ' ');
159 if (pos)
160 pos++;
161 }
162
163 wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
164 os_free(wpa_s->bssid_filter);
165 wpa_s->bssid_filter = filter;
166 wpa_s->bssid_filter_count = count;
167
168 return 0;
169 }
170
171
172 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
173 {
174 char *pos;
175 u8 addr[ETH_ALEN], *bssid = NULL, *n;
176 struct wpa_ssid_value *ssid = NULL, *ns;
177 size_t count = 0, ssid_count = 0;
178 struct wpa_ssid *c;
179
180 /*
181 * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | “”
182 * SSID_SPEC ::= ssid <SSID_HEX>
183 * BSSID_SPEC ::= bssid <BSSID_HEX>
184 */
185
186 pos = val;
187 while (pos) {
188 if (*pos == '\0')
189 break;
190 if (os_strncmp(pos, "bssid ", 6) == 0) {
191 int res;
192 pos += 6;
193 res = hwaddr_aton2(pos, addr);
194 if (res < 0) {
195 os_free(ssid);
196 os_free(bssid);
197 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
198 "BSSID value '%s'", pos);
199 return -1;
200 }
201 pos += res;
202 n = os_realloc_array(bssid, count + 1, ETH_ALEN);
203 if (n == NULL) {
204 os_free(ssid);
205 os_free(bssid);
206 return -1;
207 }
208 bssid = n;
209 os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
210 count++;
211 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
212 char *end;
213 pos += 5;
214
215 end = pos;
216 while (*end) {
217 if (*end == '\0' || *end == ' ')
218 break;
219 end++;
220 }
221
222 ns = os_realloc_array(ssid, ssid_count + 1,
223 sizeof(struct wpa_ssid_value));
224 if (ns == NULL) {
225 os_free(ssid);
226 os_free(bssid);
227 return -1;
228 }
229 ssid = ns;
230
231 if ((end - pos) & 0x01 || end - pos > 2 * 32 ||
232 hexstr2bin(pos, ssid[ssid_count].ssid,
233 (end - pos) / 2) < 0) {
234 os_free(ssid);
235 os_free(bssid);
236 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
237 "SSID value '%s'", pos);
238 return -1;
239 }
240 ssid[ssid_count].ssid_len = (end - pos) / 2;
241 wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
242 ssid[ssid_count].ssid,
243 ssid[ssid_count].ssid_len);
244 ssid_count++;
245 pos = end;
246 } else {
247 wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
248 "'%s'", pos);
249 os_free(ssid);
250 os_free(bssid);
251 return -1;
252 }
253
254 pos = os_strchr(pos, ' ');
255 if (pos)
256 pos++;
257 }
258
259 wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
260 os_free(wpa_s->disallow_aps_bssid);
261 wpa_s->disallow_aps_bssid = bssid;
262 wpa_s->disallow_aps_bssid_count = count;
263
264 wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
265 os_free(wpa_s->disallow_aps_ssid);
266 wpa_s->disallow_aps_ssid = ssid;
267 wpa_s->disallow_aps_ssid_count = ssid_count;
268
269 if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
270 return 0;
271
272 c = wpa_s->current_ssid;
273 if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
274 return 0;
275
276 if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
277 !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
278 return 0;
279
280 wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
281 "because current AP was marked disallowed");
282
283 #ifdef CONFIG_SME
284 wpa_s->sme.prev_bssid_set = 0;
285 #endif /* CONFIG_SME */
286 wpa_s->reassociate = 1;
287 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
288 wpa_supplicant_req_scan(wpa_s, 0, 0);
289
290 return 0;
291 }
292
293
294 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
295 char *cmd)
296 {
297 char *value;
298 int ret = 0;
299
300 value = os_strchr(cmd, ' ');
301 if (value == NULL)
302 return -1;
303 *value++ = '\0';
304
305 wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
306 if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
307 eapol_sm_configure(wpa_s->eapol,
308 atoi(value), -1, -1, -1);
309 } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
310 eapol_sm_configure(wpa_s->eapol,
311 -1, atoi(value), -1, -1);
312 } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
313 eapol_sm_configure(wpa_s->eapol,
314 -1, -1, atoi(value), -1);
315 } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
316 eapol_sm_configure(wpa_s->eapol,
317 -1, -1, -1, atoi(value));
318 } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
319 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
320 atoi(value)))
321 ret = -1;
322 } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
323 0) {
324 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
325 atoi(value)))
326 ret = -1;
327 } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
328 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
329 ret = -1;
330 } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
331 wpa_s->wps_fragment_size = atoi(value);
332 #ifdef CONFIG_WPS_TESTING
333 } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
334 long int val;
335 val = strtol(value, NULL, 0);
336 if (val < 0 || val > 0xff) {
337 ret = -1;
338 wpa_printf(MSG_DEBUG, "WPS: Invalid "
339 "wps_version_number %ld", val);
340 } else {
341 wps_version_number = val;
342 wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
343 "version %u.%u",
344 (wps_version_number & 0xf0) >> 4,
345 wps_version_number & 0x0f);
346 }
347 } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
348 wps_testing_dummy_cred = atoi(value);
349 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
350 wps_testing_dummy_cred);
351 #endif /* CONFIG_WPS_TESTING */
352 } else if (os_strcasecmp(cmd, "ampdu") == 0) {
353 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
354 ret = -1;
355 #ifdef CONFIG_TDLS_TESTING
356 } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
357 extern unsigned int tdls_testing;
358 tdls_testing = strtol(value, NULL, 0);
359 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
360 #endif /* CONFIG_TDLS_TESTING */
361 #ifdef CONFIG_TDLS
362 } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
363 int disabled = atoi(value);
364 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
365 if (disabled) {
366 if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
367 ret = -1;
368 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
369 ret = -1;
370 wpa_tdls_enable(wpa_s->wpa, !disabled);
371 #endif /* CONFIG_TDLS */
372 } else if (os_strcasecmp(cmd, "pno") == 0) {
373 if (atoi(value))
374 ret = pno_start(wpa_s);
375 else
376 ret = pno_stop(wpa_s);
377 } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
378 int disabled = atoi(value);
379 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
380 ret = -1;
381 else if (disabled)
382 wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
383 } else if (os_strcasecmp(cmd, "uapsd") == 0) {
384 if (os_strcmp(value, "disable") == 0)
385 wpa_s->set_sta_uapsd = 0;
386 else {
387 int be, bk, vi, vo;
388 char *pos;
389 /* format: BE,BK,VI,VO;max SP Length */
390 be = atoi(value);
391 pos = os_strchr(value, ',');
392 if (pos == NULL)
393 return -1;
394 pos++;
395 bk = atoi(pos);
396 pos = os_strchr(pos, ',');
397 if (pos == NULL)
398 return -1;
399 pos++;
400 vi = atoi(pos);
401 pos = os_strchr(pos, ',');
402 if (pos == NULL)
403 return -1;
404 pos++;
405 vo = atoi(pos);
406 /* ignore max SP Length for now */
407
408 wpa_s->set_sta_uapsd = 1;
409 wpa_s->sta_uapsd = 0;
410 if (be)
411 wpa_s->sta_uapsd |= BIT(0);
412 if (bk)
413 wpa_s->sta_uapsd |= BIT(1);
414 if (vi)
415 wpa_s->sta_uapsd |= BIT(2);
416 if (vo)
417 wpa_s->sta_uapsd |= BIT(3);
418 }
419 } else if (os_strcasecmp(cmd, "ps") == 0) {
420 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
421 #ifdef CONFIG_WIFI_DISPLAY
422 } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
423 wifi_display_enable(wpa_s->global, !!atoi(value));
424 #endif /* CONFIG_WIFI_DISPLAY */
425 } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
426 ret = set_bssid_filter(wpa_s, value);
427 } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
428 ret = set_disallow_aps(wpa_s, value);
429 } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
430 wpa_s->no_keep_alive = !!atoi(value);
431 } else {
432 value[-1] = '=';
433 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
434 if (ret == 0)
435 wpa_supplicant_update_config(wpa_s);
436 }
437
438 return ret;
439 }
440
441
442 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
443 char *cmd, char *buf, size_t buflen)
444 {
445 int res = -1;
446
447 wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
448
449 if (os_strcmp(cmd, "version") == 0) {
450 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
451 } else if (os_strcasecmp(cmd, "country") == 0) {
452 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
453 res = os_snprintf(buf, buflen, "%c%c",
454 wpa_s->conf->country[0],
455 wpa_s->conf->country[1]);
456 #ifdef CONFIG_WIFI_DISPLAY
457 } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
458 res = os_snprintf(buf, buflen, "%d",
459 wpa_s->global->wifi_display);
460 if (res < 0 || (unsigned int) res >= buflen)
461 return -1;
462 return res;
463 #endif /* CONFIG_WIFI_DISPLAY */
464 }
465
466 if (res < 0 || (unsigned int) res >= buflen)
467 return -1;
468 return res;
469 }
470
471
472 #ifdef IEEE8021X_EAPOL
473 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
474 char *addr)
475 {
476 u8 bssid[ETH_ALEN];
477 struct wpa_ssid *ssid = wpa_s->current_ssid;
478
479 if (hwaddr_aton(addr, bssid)) {
480 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
481 "'%s'", addr);
482 return -1;
483 }
484
485 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
486 rsn_preauth_deinit(wpa_s->wpa);
487 if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
488 return -1;
489
490 return 0;
491 }
492 #endif /* IEEE8021X_EAPOL */
493
494
495 #ifdef CONFIG_PEERKEY
496 /* MLME-STKSTART.request(peer) */
497 static int wpa_supplicant_ctrl_iface_stkstart(
498 struct wpa_supplicant *wpa_s, char *addr)
499 {
500 u8 peer[ETH_ALEN];
501
502 if (hwaddr_aton(addr, peer)) {
503 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
504 "address '%s'", addr);
505 return -1;
506 }
507
508 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
509 MAC2STR(peer));
510
511 return wpa_sm_stkstart(wpa_s->wpa, peer);
512 }
513 #endif /* CONFIG_PEERKEY */
514
515
516 #ifdef CONFIG_TDLS
517
518 static int wpa_supplicant_ctrl_iface_tdls_discover(
519 struct wpa_supplicant *wpa_s, char *addr)
520 {
521 u8 peer[ETH_ALEN];
522 int ret;
523
524 if (hwaddr_aton(addr, peer)) {
525 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
526 "address '%s'", addr);
527 return -1;
528 }
529
530 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
531 MAC2STR(peer));
532
533 if (wpa_tdls_is_external_setup(wpa_s->wpa))
534 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
535 else
536 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
537
538 return ret;
539 }
540
541
542 static int wpa_supplicant_ctrl_iface_tdls_setup(
543 struct wpa_supplicant *wpa_s, char *addr)
544 {
545 u8 peer[ETH_ALEN];
546 int ret;
547
548 if (hwaddr_aton(addr, peer)) {
549 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
550 "address '%s'", addr);
551 return -1;
552 }
553
554 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
555 MAC2STR(peer));
556
557 wpa_tdls_remove(wpa_s->wpa, peer);
558
559 if (wpa_tdls_is_external_setup(wpa_s->wpa))
560 ret = wpa_tdls_start(wpa_s->wpa, peer);
561 else
562 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
563
564 return ret;
565 }
566
567
568 static int wpa_supplicant_ctrl_iface_tdls_teardown(
569 struct wpa_supplicant *wpa_s, char *addr)
570 {
571 u8 peer[ETH_ALEN];
572
573 if (hwaddr_aton(addr, peer)) {
574 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
575 "address '%s'", addr);
576 return -1;
577 }
578
579 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
580 MAC2STR(peer));
581
582 return wpa_tdls_teardown_link(wpa_s->wpa, peer,
583 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
584 }
585
586 #endif /* CONFIG_TDLS */
587
588
589 #ifdef CONFIG_IEEE80211R
590 static int wpa_supplicant_ctrl_iface_ft_ds(
591 struct wpa_supplicant *wpa_s, char *addr)
592 {
593 u8 target_ap[ETH_ALEN];
594 struct wpa_bss *bss;
595 const u8 *mdie;
596
597 if (hwaddr_aton(addr, target_ap)) {
598 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
599 "address '%s'", addr);
600 return -1;
601 }
602
603 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
604
605 bss = wpa_bss_get_bssid(wpa_s, target_ap);
606 if (bss)
607 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
608 else
609 mdie = NULL;
610
611 return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
612 }
613 #endif /* CONFIG_IEEE80211R */
614
615
616 #ifdef CONFIG_WPS
617 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
618 char *cmd)
619 {
620 u8 bssid[ETH_ALEN], *_bssid = bssid;
621 #ifdef CONFIG_P2P
622 u8 p2p_dev_addr[ETH_ALEN];
623 #endif /* CONFIG_P2P */
624 #ifdef CONFIG_AP
625 u8 *_p2p_dev_addr = NULL;
626 #endif /* CONFIG_AP */
627
628 if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
629 _bssid = NULL;
630 #ifdef CONFIG_P2P
631 } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
632 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
633 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
634 "P2P Device Address '%s'",
635 cmd + 13);
636 return -1;
637 }
638 _p2p_dev_addr = p2p_dev_addr;
639 #endif /* CONFIG_P2P */
640 } else if (hwaddr_aton(cmd, bssid)) {
641 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
642 cmd);
643 return -1;
644 }
645
646 #ifdef CONFIG_AP
647 if (wpa_s->ap_iface)
648 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
649 #endif /* CONFIG_AP */
650
651 return wpas_wps_start_pbc(wpa_s, _bssid, 0);
652 }
653
654
655 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
656 char *cmd, char *buf,
657 size_t buflen)
658 {
659 u8 bssid[ETH_ALEN], *_bssid = bssid;
660 char *pin;
661 int ret;
662
663 pin = os_strchr(cmd, ' ');
664 if (pin)
665 *pin++ = '\0';
666
667 if (os_strcmp(cmd, "any") == 0)
668 _bssid = NULL;
669 else if (os_strcmp(cmd, "get") == 0) {
670 ret = wps_generate_pin();
671 goto done;
672 } else if (hwaddr_aton(cmd, bssid)) {
673 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
674 cmd);
675 return -1;
676 }
677
678 #ifdef CONFIG_AP
679 if (wpa_s->ap_iface) {
680 int timeout = 0;
681 char *pos;
682
683 if (pin) {
684 pos = os_strchr(pin, ' ');
685 if (pos) {
686 *pos++ = '\0';
687 timeout = atoi(pos);
688 }
689 }
690
691 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
692 buf, buflen, timeout);
693 }
694 #endif /* CONFIG_AP */
695
696 if (pin) {
697 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
698 DEV_PW_DEFAULT);
699 if (ret < 0)
700 return -1;
701 ret = os_snprintf(buf, buflen, "%s", pin);
702 if (ret < 0 || (size_t) ret >= buflen)
703 return -1;
704 return ret;
705 }
706
707 ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
708 if (ret < 0)
709 return -1;
710
711 done:
712 /* Return the generated PIN */
713 ret = os_snprintf(buf, buflen, "%08d", ret);
714 if (ret < 0 || (size_t) ret >= buflen)
715 return -1;
716 return ret;
717 }
718
719
720 static int wpa_supplicant_ctrl_iface_wps_check_pin(
721 struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
722 {
723 char pin[9];
724 size_t len;
725 char *pos;
726 int ret;
727
728 wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
729 (u8 *) cmd, os_strlen(cmd));
730 for (pos = cmd, len = 0; *pos != '\0'; pos++) {
731 if (*pos < '0' || *pos > '9')
732 continue;
733 pin[len++] = *pos;
734 if (len == 9) {
735 wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
736 return -1;
737 }
738 }
739 if (len != 4 && len != 8) {
740 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
741 return -1;
742 }
743 pin[len] = '\0';
744
745 if (len == 8) {
746 unsigned int pin_val;
747 pin_val = atoi(pin);
748 if (!wps_pin_valid(pin_val)) {
749 wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
750 ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
751 if (ret < 0 || (size_t) ret >= buflen)
752 return -1;
753 return ret;
754 }
755 }
756
757 ret = os_snprintf(buf, buflen, "%s", pin);
758 if (ret < 0 || (size_t) ret >= buflen)
759 return -1;
760
761 return ret;
762 }
763
764
765 #ifdef CONFIG_WPS_NFC
766
767 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
768 char *cmd)
769 {
770 u8 bssid[ETH_ALEN], *_bssid = bssid;
771
772 if (cmd == NULL || cmd[0] == '\0')
773 _bssid = NULL;
774 else if (hwaddr_aton(cmd, bssid))
775 return -1;
776
777 return wpas_wps_start_nfc(wpa_s, _bssid);
778 }
779
780
781 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
782 struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
783 {
784 int ndef;
785 struct wpabuf *buf;
786 int res;
787
788 if (os_strcmp(cmd, "WPS") == 0)
789 ndef = 0;
790 else if (os_strcmp(cmd, "NDEF") == 0)
791 ndef = 1;
792 else
793 return -1;
794
795 buf = wpas_wps_nfc_token(wpa_s, ndef);
796 if (buf == NULL)
797 return -1;
798
799 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
800 wpabuf_len(buf));
801 reply[res++] = '\n';
802 reply[res] = '\0';
803
804 wpabuf_free(buf);
805
806 return res;
807 }
808
809
810 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
811 struct wpa_supplicant *wpa_s, char *pos)
812 {
813 size_t len;
814 struct wpabuf *buf;
815 int ret;
816
817 len = os_strlen(pos);
818 if (len & 0x01)
819 return -1;
820 len /= 2;
821
822 buf = wpabuf_alloc(len);
823 if (buf == NULL)
824 return -1;
825 if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
826 wpabuf_free(buf);
827 return -1;
828 }
829
830 ret = wpas_wps_nfc_tag_read(wpa_s, buf);
831 wpabuf_free(buf);
832
833 return ret;
834 }
835
836
837 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
838 char *reply, size_t max_len)
839 {
840 struct wpabuf *buf;
841 int res;
842
843 buf = wpas_wps_nfc_handover_req(wpa_s);
844 if (buf == NULL)
845 return -1;
846
847 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
848 wpabuf_len(buf));
849 reply[res++] = '\n';
850 reply[res] = '\0';
851
852 wpabuf_free(buf);
853
854 return res;
855 }
856
857
858 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
859 char *cmd, char *reply,
860 size_t max_len)
861 {
862 char *pos;
863
864 pos = os_strchr(cmd, ' ');
865 if (pos == NULL)
866 return -1;
867 *pos++ = '\0';
868
869 if (os_strcmp(cmd, "NDEF") != 0)
870 return -1;
871
872 if (os_strcmp(pos, "WPS") == 0) {
873 return wpas_ctrl_nfc_get_handover_req_wps(wpa_s, reply,
874 max_len);
875 }
876
877 return -1;
878 }
879
880
881 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
882 char *reply, size_t max_len)
883 {
884 struct wpabuf *buf;
885 int res;
886
887 buf = wpas_wps_nfc_handover_sel(wpa_s);
888 if (buf == NULL)
889 return -1;
890
891 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
892 wpabuf_len(buf));
893 reply[res++] = '\n';
894 reply[res] = '\0';
895
896 wpabuf_free(buf);
897
898 return res;
899 }
900
901
902 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
903 char *cmd, char *reply,
904 size_t max_len)
905 {
906 char *pos;
907
908 pos = os_strchr(cmd, ' ');
909 if (pos == NULL)
910 return -1;
911 *pos++ = '\0';
912
913 if (os_strcmp(cmd, "NDEF") != 0)
914 return -1;
915
916 if (os_strcmp(pos, "WPS") == 0) {
917 return wpas_ctrl_nfc_get_handover_sel_wps(wpa_s, reply,
918 max_len);
919 }
920
921 return -1;
922 }
923
924
925 static int wpas_ctrl_nfc_rx_handover_req(struct wpa_supplicant *wpa_s,
926 char *cmd, char *reply,
927 size_t max_len)
928 {
929 size_t len;
930 struct wpabuf *buf;
931 int ret;
932
933 len = os_strlen(cmd);
934 if (len & 0x01)
935 return -1;
936 len /= 2;
937
938 buf = wpabuf_alloc(len);
939 if (buf == NULL)
940 return -1;
941 if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
942 wpabuf_free(buf);
943 return -1;
944 }
945
946 ret = wpas_wps_nfc_rx_handover_req(wpa_s, buf);
947 wpabuf_free(buf);
948
949 return ret;
950 }
951
952
953 static int wpas_ctrl_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
954 char *cmd)
955 {
956 size_t len;
957 struct wpabuf *buf;
958 int ret;
959
960 len = os_strlen(cmd);
961 if (len & 0x01)
962 return -1;
963 len /= 2;
964
965 buf = wpabuf_alloc(len);
966 if (buf == NULL)
967 return -1;
968 if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
969 wpabuf_free(buf);
970 return -1;
971 }
972
973 ret = wpas_wps_nfc_rx_handover_sel(wpa_s, buf);
974 wpabuf_free(buf);
975
976 return ret;
977 }
978
979 #endif /* CONFIG_WPS_NFC */
980
981
982 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
983 char *cmd)
984 {
985 u8 bssid[ETH_ALEN];
986 char *pin;
987 char *new_ssid;
988 char *new_auth;
989 char *new_encr;
990 char *new_key;
991 struct wps_new_ap_settings ap;
992
993 pin = os_strchr(cmd, ' ');
994 if (pin == NULL)
995 return -1;
996 *pin++ = '\0';
997
998 if (hwaddr_aton(cmd, bssid)) {
999 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1000 cmd);
1001 return -1;
1002 }
1003
1004 new_ssid = os_strchr(pin, ' ');
1005 if (new_ssid == NULL)
1006 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1007 *new_ssid++ = '\0';
1008
1009 new_auth = os_strchr(new_ssid, ' ');
1010 if (new_auth == NULL)
1011 return -1;
1012 *new_auth++ = '\0';
1013
1014 new_encr = os_strchr(new_auth, ' ');
1015 if (new_encr == NULL)
1016 return -1;
1017 *new_encr++ = '\0';
1018
1019 new_key = os_strchr(new_encr, ' ');
1020 if (new_key == NULL)
1021 return -1;
1022 *new_key++ = '\0';
1023
1024 os_memset(&ap, 0, sizeof(ap));
1025 ap.ssid_hex = new_ssid;
1026 ap.auth = new_auth;
1027 ap.encr = new_encr;
1028 ap.key_hex = new_key;
1029 return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1030 }
1031
1032
1033 #ifdef CONFIG_AP
1034 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1035 char *cmd, char *buf,
1036 size_t buflen)
1037 {
1038 int timeout = 300;
1039 char *pos;
1040 const char *pin_txt;
1041
1042 if (!wpa_s->ap_iface)
1043 return -1;
1044
1045 pos = os_strchr(cmd, ' ');
1046 if (pos)
1047 *pos++ = '\0';
1048
1049 if (os_strcmp(cmd, "disable") == 0) {
1050 wpas_wps_ap_pin_disable(wpa_s);
1051 return os_snprintf(buf, buflen, "OK\n");
1052 }
1053
1054 if (os_strcmp(cmd, "random") == 0) {
1055 if (pos)
1056 timeout = atoi(pos);
1057 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1058 if (pin_txt == NULL)
1059 return -1;
1060 return os_snprintf(buf, buflen, "%s", pin_txt);
1061 }
1062
1063 if (os_strcmp(cmd, "get") == 0) {
1064 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1065 if (pin_txt == NULL)
1066 return -1;
1067 return os_snprintf(buf, buflen, "%s", pin_txt);
1068 }
1069
1070 if (os_strcmp(cmd, "set") == 0) {
1071 char *pin;
1072 if (pos == NULL)
1073 return -1;
1074 pin = pos;
1075 pos = os_strchr(pos, ' ');
1076 if (pos) {
1077 *pos++ = '\0';
1078 timeout = atoi(pos);
1079 }
1080 if (os_strlen(pin) > buflen)
1081 return -1;
1082 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1083 return -1;
1084 return os_snprintf(buf, buflen, "%s", pin);
1085 }
1086
1087 return -1;
1088 }
1089 #endif /* CONFIG_AP */
1090
1091
1092 #ifdef CONFIG_WPS_ER
1093 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1094 char *cmd)
1095 {
1096 char *uuid = cmd, *pin, *pos;
1097 u8 addr_buf[ETH_ALEN], *addr = NULL;
1098 pin = os_strchr(uuid, ' ');
1099 if (pin == NULL)
1100 return -1;
1101 *pin++ = '\0';
1102 pos = os_strchr(pin, ' ');
1103 if (pos) {
1104 *pos++ = '\0';
1105 if (hwaddr_aton(pos, addr_buf) == 0)
1106 addr = addr_buf;
1107 }
1108 return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1109 }
1110
1111
1112 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1113 char *cmd)
1114 {
1115 char *uuid = cmd, *pin;
1116 pin = os_strchr(uuid, ' ');
1117 if (pin == NULL)
1118 return -1;
1119 *pin++ = '\0';
1120 return wpas_wps_er_learn(wpa_s, uuid, pin);
1121 }
1122
1123
1124 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1125 struct wpa_supplicant *wpa_s, char *cmd)
1126 {
1127 char *uuid = cmd, *id;
1128 id = os_strchr(uuid, ' ');
1129 if (id == NULL)
1130 return -1;
1131 *id++ = '\0';
1132 return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1133 }
1134
1135
1136 static int wpa_supplicant_ctrl_iface_wps_er_config(
1137 struct wpa_supplicant *wpa_s, char *cmd)
1138 {
1139 char *pin;
1140 char *new_ssid;
1141 char *new_auth;
1142 char *new_encr;
1143 char *new_key;
1144 struct wps_new_ap_settings ap;
1145
1146 pin = os_strchr(cmd, ' ');
1147 if (pin == NULL)
1148 return -1;
1149 *pin++ = '\0';
1150
1151 new_ssid = os_strchr(pin, ' ');
1152 if (new_ssid == NULL)
1153 return -1;
1154 *new_ssid++ = '\0';
1155
1156 new_auth = os_strchr(new_ssid, ' ');
1157 if (new_auth == NULL)
1158 return -1;
1159 *new_auth++ = '\0';
1160
1161 new_encr = os_strchr(new_auth, ' ');
1162 if (new_encr == NULL)
1163 return -1;
1164 *new_encr++ = '\0';
1165
1166 new_key = os_strchr(new_encr, ' ');
1167 if (new_key == NULL)
1168 return -1;
1169 *new_key++ = '\0';
1170
1171 os_memset(&ap, 0, sizeof(ap));
1172 ap.ssid_hex = new_ssid;
1173 ap.auth = new_auth;
1174 ap.encr = new_encr;
1175 ap.key_hex = new_key;
1176 return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1177 }
1178
1179
1180 #ifdef CONFIG_WPS_NFC
1181 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1182 struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1183 {
1184 int ndef;
1185 struct wpabuf *buf;
1186 int res;
1187 char *uuid;
1188
1189 uuid = os_strchr(cmd, ' ');
1190 if (uuid == NULL)
1191 return -1;
1192 *uuid++ = '\0';
1193
1194 if (os_strcmp(cmd, "WPS") == 0)
1195 ndef = 0;
1196 else if (os_strcmp(cmd, "NDEF") == 0)
1197 ndef = 1;
1198 else
1199 return -1;
1200
1201 buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1202 if (buf == NULL)
1203 return -1;
1204
1205 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1206 wpabuf_len(buf));
1207 reply[res++] = '\n';
1208 reply[res] = '\0';
1209
1210 wpabuf_free(buf);
1211
1212 return res;
1213 }
1214 #endif /* CONFIG_WPS_NFC */
1215 #endif /* CONFIG_WPS_ER */
1216
1217 #endif /* CONFIG_WPS */
1218
1219
1220 #ifdef CONFIG_IBSS_RSN
1221 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1222 struct wpa_supplicant *wpa_s, char *addr)
1223 {
1224 u8 peer[ETH_ALEN];
1225
1226 if (hwaddr_aton(addr, peer)) {
1227 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1228 "address '%s'", addr);
1229 return -1;
1230 }
1231
1232 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1233 MAC2STR(peer));
1234
1235 return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1236 }
1237 #endif /* CONFIG_IBSS_RSN */
1238
1239
1240 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1241 char *rsp)
1242 {
1243 #ifdef IEEE8021X_EAPOL
1244 char *pos, *id_pos;
1245 int id;
1246 struct wpa_ssid *ssid;
1247
1248 pos = os_strchr(rsp, '-');
1249 if (pos == NULL)
1250 return -1;
1251 *pos++ = '\0';
1252 id_pos = pos;
1253 pos = os_strchr(pos, ':');
1254 if (pos == NULL)
1255 return -1;
1256 *pos++ = '\0';
1257 id = atoi(id_pos);
1258 wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1259 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1260 (u8 *) pos, os_strlen(pos));
1261
1262 ssid = wpa_config_get_network(wpa_s->conf, id);
1263 if (ssid == NULL) {
1264 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1265 "to update", id);
1266 return -1;
1267 }
1268
1269 return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1270 pos);
1271 #else /* IEEE8021X_EAPOL */
1272 wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1273 return -1;
1274 #endif /* IEEE8021X_EAPOL */
1275 }
1276
1277
1278 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1279 const char *params,
1280 char *buf, size_t buflen)
1281 {
1282 char *pos, *end, tmp[30];
1283 int res, verbose, wps, ret;
1284
1285 verbose = os_strcmp(params, "-VERBOSE") == 0;
1286 wps = os_strcmp(params, "-WPS") == 0;
1287 pos = buf;
1288 end = buf + buflen;
1289 if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1290 struct wpa_ssid *ssid = wpa_s->current_ssid;
1291 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1292 MAC2STR(wpa_s->bssid));
1293 if (ret < 0 || ret >= end - pos)
1294 return pos - buf;
1295 pos += ret;
1296 if (ssid) {
1297 u8 *_ssid = ssid->ssid;
1298 size_t ssid_len = ssid->ssid_len;
1299 u8 ssid_buf[MAX_SSID_LEN];
1300 if (ssid_len == 0) {
1301 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1302 if (_res < 0)
1303 ssid_len = 0;
1304 else
1305 ssid_len = _res;
1306 _ssid = ssid_buf;
1307 }
1308 ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1309 wpa_ssid_txt(_ssid, ssid_len),
1310 ssid->id);
1311 if (ret < 0 || ret >= end - pos)
1312 return pos - buf;
1313 pos += ret;
1314
1315 if (wps && ssid->passphrase &&
1316 wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1317 (ssid->mode == WPAS_MODE_AP ||
1318 ssid->mode == WPAS_MODE_P2P_GO)) {
1319 ret = os_snprintf(pos, end - pos,
1320 "passphrase=%s\n",
1321 ssid->passphrase);
1322 if (ret < 0 || ret >= end - pos)
1323 return pos - buf;
1324 pos += ret;
1325 }
1326 if (ssid->id_str) {
1327 ret = os_snprintf(pos, end - pos,
1328 "id_str=%s\n",
1329 ssid->id_str);
1330 if (ret < 0 || ret >= end - pos)
1331 return pos - buf;
1332 pos += ret;
1333 }
1334
1335 switch (ssid->mode) {
1336 case WPAS_MODE_INFRA:
1337 ret = os_snprintf(pos, end - pos,
1338 "mode=station\n");
1339 break;
1340 case WPAS_MODE_IBSS:
1341 ret = os_snprintf(pos, end - pos,
1342 "mode=IBSS\n");
1343 break;
1344 case WPAS_MODE_AP:
1345 ret = os_snprintf(pos, end - pos,
1346 "mode=AP\n");
1347 break;
1348 case WPAS_MODE_P2P_GO:
1349 ret = os_snprintf(pos, end - pos,
1350 "mode=P2P GO\n");
1351 break;
1352 case WPAS_MODE_P2P_GROUP_FORMATION:
1353 ret = os_snprintf(pos, end - pos,
1354 "mode=P2P GO - group "
1355 "formation\n");
1356 break;
1357 default:
1358 ret = 0;
1359 break;
1360 }
1361 if (ret < 0 || ret >= end - pos)
1362 return pos - buf;
1363 pos += ret;
1364 }
1365
1366 #ifdef CONFIG_AP
1367 if (wpa_s->ap_iface) {
1368 pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1369 end - pos,
1370 verbose);
1371 } else
1372 #endif /* CONFIG_AP */
1373 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1374 }
1375 #ifdef CONFIG_SAE
1376 if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1377 wpa_s->sme.sae.state == SAE_ACCEPTED && !wpa_s->ap_iface) {
1378 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1379 wpa_s->sme.sae.group);
1380 if (ret < 0 || ret >= end - pos)
1381 return pos - buf;
1382 pos += ret;
1383 }
1384 #endif /* CONFIG_SAE */
1385 ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1386 wpa_supplicant_state_txt(wpa_s->wpa_state));
1387 if (ret < 0 || ret >= end - pos)
1388 return pos - buf;
1389 pos += ret;
1390
1391 if (wpa_s->l2 &&
1392 l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1393 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1394 if (ret < 0 || ret >= end - pos)
1395 return pos - buf;
1396 pos += ret;
1397 }
1398
1399 #ifdef CONFIG_P2P
1400 if (wpa_s->global->p2p) {
1401 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1402 "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1403 if (ret < 0 || ret >= end - pos)
1404 return pos - buf;
1405 pos += ret;
1406 }
1407 #endif /* CONFIG_P2P */
1408
1409 ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1410 MAC2STR(wpa_s->own_addr));
1411 if (ret < 0 || ret >= end - pos)
1412 return pos - buf;
1413 pos += ret;
1414
1415 #ifdef CONFIG_HS20
1416 if (wpa_s->current_bss &&
1417 wpa_bss_get_vendor_ie(wpa_s->current_bss, HS20_IE_VENDOR_TYPE) &&
1418 wpa_s->wpa_proto == WPA_PROTO_RSN &&
1419 wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1420 ret = os_snprintf(pos, end - pos, "hs20=1\n");
1421 if (ret < 0 || ret >= end - pos)
1422 return pos - buf;
1423 pos += ret;
1424 }
1425
1426 if (wpa_s->current_ssid) {
1427 struct wpa_cred *cred;
1428 char *type;
1429
1430 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1431 if (wpa_s->current_ssid->parent_cred != cred)
1432 continue;
1433 if (!cred->domain)
1434 continue;
1435
1436 ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1437 cred->domain);
1438 if (ret < 0 || ret >= end - pos)
1439 return pos - buf;
1440 pos += ret;
1441
1442 if (wpa_s->current_bss == NULL ||
1443 wpa_s->current_bss->anqp == NULL)
1444 res = -1;
1445 else
1446 res = interworking_home_sp_cred(
1447 wpa_s, cred,
1448 wpa_s->current_bss->anqp->domain_name);
1449 if (res > 0)
1450 type = "home";
1451 else if (res == 0)
1452 type = "roaming";
1453 else
1454 type = "unknown";
1455
1456 ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1457 if (ret < 0 || ret >= end - pos)
1458 return pos - buf;
1459 pos += ret;
1460
1461 break;
1462 }
1463 }
1464 #endif /* CONFIG_HS20 */
1465
1466 if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1467 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1468 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1469 verbose);
1470 if (res >= 0)
1471 pos += res;
1472 }
1473
1474 res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1475 if (res >= 0)
1476 pos += res;
1477
1478 return pos - buf;
1479 }
1480
1481
1482 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1483 char *cmd)
1484 {
1485 char *pos;
1486 int id;
1487 struct wpa_ssid *ssid;
1488 u8 bssid[ETH_ALEN];
1489
1490 /* cmd: "<network id> <BSSID>" */
1491 pos = os_strchr(cmd, ' ');
1492 if (pos == NULL)
1493 return -1;
1494 *pos++ = '\0';
1495 id = atoi(cmd);
1496 wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1497 if (hwaddr_aton(pos, bssid)) {
1498 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1499 return -1;
1500 }
1501
1502 ssid = wpa_config_get_network(wpa_s->conf, id);
1503 if (ssid == NULL) {
1504 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1505 "to update", id);
1506 return -1;
1507 }
1508
1509 os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1510 ssid->bssid_set = !is_zero_ether_addr(bssid);
1511
1512 return 0;
1513 }
1514
1515
1516 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1517 char *cmd, char *buf,
1518 size_t buflen)
1519 {
1520 u8 bssid[ETH_ALEN];
1521 struct wpa_blacklist *e;
1522 char *pos, *end;
1523 int ret;
1524
1525 /* cmd: "BLACKLIST [<BSSID>]" */
1526 if (*cmd == '\0') {
1527 pos = buf;
1528 end = buf + buflen;
1529 e = wpa_s->blacklist;
1530 while (e) {
1531 ret = os_snprintf(pos, end - pos, MACSTR "\n",
1532 MAC2STR(e->bssid));
1533 if (ret < 0 || ret >= end - pos)
1534 return pos - buf;
1535 pos += ret;
1536 e = e->next;
1537 }
1538 return pos - buf;
1539 }
1540
1541 cmd++;
1542 if (os_strncmp(cmd, "clear", 5) == 0) {
1543 wpa_blacklist_clear(wpa_s);
1544 os_memcpy(buf, "OK\n", 3);
1545 return 3;
1546 }
1547
1548 wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1549 if (hwaddr_aton(cmd, bssid)) {
1550 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1551 return -1;
1552 }
1553
1554 /*
1555 * Add the BSSID twice, so its count will be 2, causing it to be
1556 * skipped when processing scan results.
1557 */
1558 ret = wpa_blacklist_add(wpa_s, bssid);
1559 if (ret != 0)
1560 return -1;
1561 ret = wpa_blacklist_add(wpa_s, bssid);
1562 if (ret != 0)
1563 return -1;
1564 os_memcpy(buf, "OK\n", 3);
1565 return 3;
1566 }
1567
1568
1569 extern int wpa_debug_level;
1570 extern int wpa_debug_timestamp;
1571
1572 static const char * debug_level_str(int level)
1573 {
1574 switch (level) {
1575 case MSG_EXCESSIVE:
1576 return "EXCESSIVE";
1577 case MSG_MSGDUMP:
1578 return "MSGDUMP";
1579 case MSG_DEBUG:
1580 return "DEBUG";
1581 case MSG_INFO:
1582 return "INFO";
1583 case MSG_WARNING:
1584 return "WARNING";
1585 case MSG_ERROR:
1586 return "ERROR";
1587 default:
1588 return "?";
1589 }
1590 }
1591
1592
1593 static int str_to_debug_level(const char *s)
1594 {
1595 if (os_strcasecmp(s, "EXCESSIVE") == 0)
1596 return MSG_EXCESSIVE;
1597 if (os_strcasecmp(s, "MSGDUMP") == 0)
1598 return MSG_MSGDUMP;
1599 if (os_strcasecmp(s, "DEBUG") == 0)
1600 return MSG_DEBUG;
1601 if (os_strcasecmp(s, "INFO") == 0)
1602 return MSG_INFO;
1603 if (os_strcasecmp(s, "WARNING") == 0)
1604 return MSG_WARNING;
1605 if (os_strcasecmp(s, "ERROR") == 0)
1606 return MSG_ERROR;
1607 return -1;
1608 }
1609
1610
1611 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1612 char *cmd, char *buf,
1613 size_t buflen)
1614 {
1615 char *pos, *end, *stamp;
1616 int ret;
1617
1618 if (cmd == NULL) {
1619 return -1;
1620 }
1621
1622 /* cmd: "LOG_LEVEL [<level>]" */
1623 if (*cmd == '\0') {
1624 pos = buf;
1625 end = buf + buflen;
1626 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1627 "Timestamp: %d\n",
1628 debug_level_str(wpa_debug_level),
1629 wpa_debug_timestamp);
1630 if (ret < 0 || ret >= end - pos)
1631 ret = 0;
1632
1633 return ret;
1634 }
1635
1636 while (*cmd == ' ')
1637 cmd++;
1638
1639 stamp = os_strchr(cmd, ' ');
1640 if (stamp) {
1641 *stamp++ = '\0';
1642 while (*stamp == ' ') {
1643 stamp++;
1644 }
1645 }
1646
1647 if (cmd && os_strlen(cmd)) {
1648 int level = str_to_debug_level(cmd);
1649 if (level < 0)
1650 return -1;
1651 wpa_debug_level = level;
1652 }
1653
1654 if (stamp && os_strlen(stamp))
1655 wpa_debug_timestamp = atoi(stamp);
1656
1657 os_memcpy(buf, "OK\n", 3);
1658 return 3;
1659 }
1660
1661
1662 static int wpa_supplicant_ctrl_iface_list_networks(
1663 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1664 {
1665 char *pos, *end;
1666 struct wpa_ssid *ssid;
1667 int ret;
1668
1669 pos = buf;
1670 end = buf + buflen;
1671 ret = os_snprintf(pos, end - pos,
1672 "network id / ssid / bssid / flags\n");
1673 if (ret < 0 || ret >= end - pos)
1674 return pos - buf;
1675 pos += ret;
1676
1677 ssid = wpa_s->conf->ssid;
1678 while (ssid) {
1679 ret = os_snprintf(pos, end - pos, "%d\t%s",
1680 ssid->id,
1681 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1682 if (ret < 0 || ret >= end - pos)
1683 return pos - buf;
1684 pos += ret;
1685 if (ssid->bssid_set) {
1686 ret = os_snprintf(pos, end - pos, "\t" MACSTR,
1687 MAC2STR(ssid->bssid));
1688 } else {
1689 ret = os_snprintf(pos, end - pos, "\tany");
1690 }
1691 if (ret < 0 || ret >= end - pos)
1692 return pos - buf;
1693 pos += ret;
1694 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
1695 ssid == wpa_s->current_ssid ?
1696 "[CURRENT]" : "",
1697 ssid->disabled ? "[DISABLED]" : "",
1698 ssid->disabled_until.sec ?
1699 "[TEMP-DISABLED]" : "",
1700 ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
1701 "");
1702 if (ret < 0 || ret >= end - pos)
1703 return pos - buf;
1704 pos += ret;
1705 ret = os_snprintf(pos, end - pos, "\n");
1706 if (ret < 0 || ret >= end - pos)
1707 return pos - buf;
1708 pos += ret;
1709
1710 ssid = ssid->next;
1711 }
1712
1713 return pos - buf;
1714 }
1715
1716
1717 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
1718 {
1719 int ret;
1720 ret = os_snprintf(pos, end - pos, "-");
1721 if (ret < 0 || ret >= end - pos)
1722 return pos;
1723 pos += ret;
1724 ret = wpa_write_ciphers(pos, end, cipher, "+");
1725 if (ret < 0)
1726 return pos;
1727 pos += ret;
1728 return pos;
1729 }
1730
1731
1732 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
1733 const u8 *ie, size_t ie_len)
1734 {
1735 struct wpa_ie_data data;
1736 int first, ret;
1737
1738 ret = os_snprintf(pos, end - pos, "[%s-", proto);
1739 if (ret < 0 || ret >= end - pos)
1740 return pos;
1741 pos += ret;
1742
1743 if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
1744 ret = os_snprintf(pos, end - pos, "?]");
1745 if (ret < 0 || ret >= end - pos)
1746 return pos;
1747 pos += ret;
1748 return pos;
1749 }
1750
1751 first = 1;
1752 if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
1753 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
1754 if (ret < 0 || ret >= end - pos)
1755 return pos;
1756 pos += ret;
1757 first = 0;
1758 }
1759 if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
1760 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
1761 if (ret < 0 || ret >= end - pos)
1762 return pos;
1763 pos += ret;
1764 first = 0;
1765 }
1766 if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
1767 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
1768 if (ret < 0 || ret >= end - pos)
1769 return pos;
1770 pos += ret;
1771 first = 0;
1772 }
1773 #ifdef CONFIG_IEEE80211R
1774 if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
1775 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
1776 first ? "" : "+");
1777 if (ret < 0 || ret >= end - pos)
1778 return pos;
1779 pos += ret;
1780 first = 0;
1781 }
1782 if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
1783 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
1784 first ? "" : "+");
1785 if (ret < 0 || ret >= end - pos)
1786 return pos;
1787 pos += ret;
1788 first = 0;
1789 }
1790 #endif /* CONFIG_IEEE80211R */
1791 #ifdef CONFIG_IEEE80211W
1792 if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
1793 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
1794 first ? "" : "+");
1795 if (ret < 0 || ret >= end - pos)
1796 return pos;
1797 pos += ret;
1798 first = 0;
1799 }
1800 if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
1801 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
1802 first ? "" : "+");
1803 if (ret < 0 || ret >= end - pos)
1804 return pos;
1805 pos += ret;
1806 first = 0;
1807 }
1808 #endif /* CONFIG_IEEE80211W */
1809
1810 pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
1811
1812 if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
1813 ret = os_snprintf(pos, end - pos, "-preauth");
1814 if (ret < 0 || ret >= end - pos)
1815 return pos;
1816 pos += ret;
1817 }
1818
1819 ret = os_snprintf(pos, end - pos, "]");
1820 if (ret < 0 || ret >= end - pos)
1821 return pos;
1822 pos += ret;
1823
1824 return pos;
1825 }
1826
1827
1828 #ifdef CONFIG_WPS
1829 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
1830 char *pos, char *end,
1831 struct wpabuf *wps_ie)
1832 {
1833 int ret;
1834 const char *txt;
1835
1836 if (wps_ie == NULL)
1837 return pos;
1838 if (wps_is_selected_pbc_registrar(wps_ie))
1839 txt = "[WPS-PBC]";
1840 #ifdef CONFIG_WPS2
1841 else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
1842 txt = "[WPS-AUTH]";
1843 #endif /* CONFIG_WPS2 */
1844 else if (wps_is_selected_pin_registrar(wps_ie))
1845 txt = "[WPS-PIN]";
1846 else
1847 txt = "[WPS]";
1848
1849 ret = os_snprintf(pos, end - pos, "%s", txt);
1850 if (ret >= 0 && ret < end - pos)
1851 pos += ret;
1852 wpabuf_free(wps_ie);
1853 return pos;
1854 }
1855 #endif /* CONFIG_WPS */
1856
1857
1858 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
1859 char *pos, char *end,
1860 const struct wpa_bss *bss)
1861 {
1862 #ifdef CONFIG_WPS
1863 struct wpabuf *wps_ie;
1864 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1865 return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
1866 #else /* CONFIG_WPS */
1867 return pos;
1868 #endif /* CONFIG_WPS */
1869 }
1870
1871
1872 /* Format one result on one text line into a buffer. */
1873 static int wpa_supplicant_ctrl_iface_scan_result(
1874 struct wpa_supplicant *wpa_s,
1875 const struct wpa_bss *bss, char *buf, size_t buflen)
1876 {
1877 char *pos, *end;
1878 int ret;
1879 const u8 *ie, *ie2, *p2p;
1880
1881 p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
1882 if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
1883 os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
1884 0)
1885 return 0; /* Do not show P2P listen discovery results here */
1886
1887 pos = buf;
1888 end = buf + buflen;
1889
1890 ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
1891 MAC2STR(bss->bssid), bss->freq, bss->level);
1892 if (ret < 0 || ret >= end - pos)
1893 return -1;
1894 pos += ret;
1895 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
1896 if (ie)
1897 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
1898 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
1899 if (ie2)
1900 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
1901 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
1902 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
1903 ret = os_snprintf(pos, end - pos, "[WEP]");
1904 if (ret < 0 || ret >= end - pos)
1905 return -1;
1906 pos += ret;
1907 }
1908 if (bss->caps & IEEE80211_CAP_IBSS) {
1909 ret = os_snprintf(pos, end - pos, "[IBSS]");
1910 if (ret < 0 || ret >= end - pos)
1911 return -1;
1912 pos += ret;
1913 }
1914 if (bss->caps & IEEE80211_CAP_ESS) {
1915 ret = os_snprintf(pos, end - pos, "[ESS]");
1916 if (ret < 0 || ret >= end - pos)
1917 return -1;
1918 pos += ret;
1919 }
1920 if (p2p) {
1921 ret = os_snprintf(pos, end - pos, "[P2P]");
1922 if (ret < 0 || ret >= end - pos)
1923 return -1;
1924 pos += ret;
1925 }
1926 #ifdef CONFIG_HS20
1927 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
1928 ret = os_snprintf(pos, end - pos, "[HS20]");
1929 if (ret < 0 || ret >= end - pos)
1930 return -1;
1931 pos += ret;
1932 }
1933 #endif /* CONFIG_HS20 */
1934
1935 ret = os_snprintf(pos, end - pos, "\t%s",
1936 wpa_ssid_txt(bss->ssid, bss->ssid_len));
1937 if (ret < 0 || ret >= end - pos)
1938 return -1;
1939 pos += ret;
1940
1941 ret = os_snprintf(pos, end - pos, "\n");
1942 if (ret < 0 || ret >= end - pos)
1943 return -1;
1944 pos += ret;
1945
1946 return pos - buf;
1947 }
1948
1949
1950 static int wpa_supplicant_ctrl_iface_scan_results(
1951 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1952 {
1953 char *pos, *end;
1954 struct wpa_bss *bss;
1955 int ret;
1956
1957 pos = buf;
1958 end = buf + buflen;
1959 ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
1960 "flags / ssid\n");
1961 if (ret < 0 || ret >= end - pos)
1962 return pos - buf;
1963 pos += ret;
1964
1965 dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
1966 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
1967 end - pos);
1968 if (ret < 0 || ret >= end - pos)
1969 return pos - buf;
1970 pos += ret;
1971 }
1972
1973 return pos - buf;
1974 }
1975
1976
1977 static int wpa_supplicant_ctrl_iface_select_network(
1978 struct wpa_supplicant *wpa_s, char *cmd)
1979 {
1980 int id;
1981 struct wpa_ssid *ssid;
1982
1983 /* cmd: "<network id>" or "any" */
1984 if (os_strcmp(cmd, "any") == 0) {
1985 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
1986 ssid = NULL;
1987 } else {
1988 id = atoi(cmd);
1989 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
1990
1991 ssid = wpa_config_get_network(wpa_s->conf, id);
1992 if (ssid == NULL) {
1993 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
1994 "network id=%d", id);
1995 return -1;
1996 }
1997 if (ssid->disabled == 2) {
1998 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
1999 "SELECT_NETWORK with persistent P2P group");
2000 return -1;
2001 }
2002 }
2003
2004 wpa_supplicant_select_network(wpa_s, ssid);
2005
2006 return 0;
2007 }
2008
2009
2010 static int wpa_supplicant_ctrl_iface_enable_network(
2011 struct wpa_supplicant *wpa_s, char *cmd)
2012 {
2013 int id;
2014 struct wpa_ssid *ssid;
2015
2016 /* cmd: "<network id>" or "all" */
2017 if (os_strcmp(cmd, "all") == 0) {
2018 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2019 ssid = NULL;
2020 } else {
2021 id = atoi(cmd);
2022 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2023
2024 ssid = wpa_config_get_network(wpa_s->conf, id);
2025 if (ssid == NULL) {
2026 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2027 "network id=%d", id);
2028 return -1;
2029 }
2030 if (ssid->disabled == 2) {
2031 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2032 "ENABLE_NETWORK with persistent P2P group");
2033 return -1;
2034 }
2035
2036 if (os_strstr(cmd, " no-connect")) {
2037 ssid->disabled = 0;
2038 return 0;
2039 }
2040 }
2041 wpa_supplicant_enable_network(wpa_s, ssid);
2042
2043 return 0;
2044 }
2045
2046
2047 static int wpa_supplicant_ctrl_iface_disable_network(
2048 struct wpa_supplicant *wpa_s, char *cmd)
2049 {
2050 int id;
2051 struct wpa_ssid *ssid;
2052
2053 /* cmd: "<network id>" or "all" */
2054 if (os_strcmp(cmd, "all") == 0) {
2055 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2056 ssid = NULL;
2057 } else {
2058 id = atoi(cmd);
2059 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2060
2061 ssid = wpa_config_get_network(wpa_s->conf, id);
2062 if (ssid == NULL) {
2063 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2064 "network id=%d", id);
2065 return -1;
2066 }
2067 if (ssid->disabled == 2) {
2068 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2069 "DISABLE_NETWORK with persistent P2P "
2070 "group");
2071 return -1;
2072 }
2073 }
2074 wpa_supplicant_disable_network(wpa_s, ssid);
2075
2076 return 0;
2077 }
2078
2079
2080 static int wpa_supplicant_ctrl_iface_add_network(
2081 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2082 {
2083 struct wpa_ssid *ssid;
2084 int ret;
2085
2086 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2087
2088 ssid = wpa_config_add_network(wpa_s->conf);
2089 if (ssid == NULL)
2090 return -1;
2091
2092 wpas_notify_network_added(wpa_s, ssid);
2093
2094 ssid->disabled = 1;
2095 wpa_config_set_network_defaults(ssid);
2096
2097 ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2098 if (ret < 0 || (size_t) ret >= buflen)
2099 return -1;
2100 return ret;
2101 }
2102
2103
2104 static int wpa_supplicant_ctrl_iface_remove_network(
2105 struct wpa_supplicant *wpa_s, char *cmd)
2106 {
2107 int id;
2108 struct wpa_ssid *ssid;
2109
2110 /* cmd: "<network id>" or "all" */
2111 if (os_strcmp(cmd, "all") == 0) {
2112 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2113 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2114 if (wpa_s->current_ssid) {
2115 #ifdef CONFIG_SME
2116 wpa_s->sme.prev_bssid_set = 0;
2117 #endif /* CONFIG_SME */
2118 wpa_sm_set_config(wpa_s->wpa, NULL);
2119 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2120 wpa_supplicant_deauthenticate(
2121 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2122 }
2123 ssid = wpa_s->conf->ssid;
2124 while (ssid) {
2125 struct wpa_ssid *remove_ssid = ssid;
2126 id = ssid->id;
2127 ssid = ssid->next;
2128 wpas_notify_network_removed(wpa_s, remove_ssid);
2129 wpa_config_remove_network(wpa_s->conf, id);
2130 }
2131 return 0;
2132 }
2133
2134 id = atoi(cmd);
2135 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2136
2137 ssid = wpa_config_get_network(wpa_s->conf, id);
2138 if (ssid)
2139 wpas_notify_network_removed(wpa_s, ssid);
2140 if (ssid == NULL) {
2141 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2142 "id=%d", id);
2143 return -1;
2144 }
2145
2146 if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2147 #ifdef CONFIG_SME
2148 wpa_s->sme.prev_bssid_set = 0;
2149 #endif /* CONFIG_SME */
2150 /*
2151 * Invalidate the EAP session cache if the current or
2152 * previously used network is removed.
2153 */
2154 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2155 }
2156
2157 if (ssid == wpa_s->current_ssid) {
2158 wpa_sm_set_config(wpa_s->wpa, NULL);
2159 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2160
2161 wpa_supplicant_deauthenticate(wpa_s,
2162 WLAN_REASON_DEAUTH_LEAVING);
2163 }
2164
2165 if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2166 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2167 "network id=%d", id);
2168 return -1;
2169 }
2170
2171 return 0;
2172 }
2173
2174
2175 static int wpa_supplicant_ctrl_iface_set_network(
2176 struct wpa_supplicant *wpa_s, char *cmd)
2177 {
2178 int id;
2179 struct wpa_ssid *ssid;
2180 char *name, *value;
2181
2182 /* cmd: "<network id> <variable name> <value>" */
2183 name = os_strchr(cmd, ' ');
2184 if (name == NULL)
2185 return -1;
2186 *name++ = '\0';
2187
2188 value = os_strchr(name, ' ');
2189 if (value == NULL)
2190 return -1;
2191 *value++ = '\0';
2192
2193 id = atoi(cmd);
2194 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2195 id, name);
2196 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2197 (u8 *) value, os_strlen(value));
2198
2199 ssid = wpa_config_get_network(wpa_s->conf, id);
2200 if (ssid == NULL) {
2201 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2202 "id=%d", id);
2203 return -1;
2204 }
2205
2206 if (wpa_config_set(ssid, name, value, 0) < 0) {
2207 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2208 "variable '%s'", name);
2209 return -1;
2210 }
2211
2212 if (os_strcmp(name, "bssid") != 0 &&
2213 os_strcmp(name, "priority") != 0)
2214 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2215
2216 if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2217 /*
2218 * Invalidate the EAP session cache if anything in the current
2219 * or previously used configuration changes.
2220 */
2221 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2222 }
2223
2224 if ((os_strcmp(name, "psk") == 0 &&
2225 value[0] == '"' && ssid->ssid_len) ||
2226 (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2227 wpa_config_update_psk(ssid);
2228 else if (os_strcmp(name, "priority") == 0)
2229 wpa_config_update_prio_list(wpa_s->conf);
2230
2231 return 0;
2232 }
2233
2234
2235 static int wpa_supplicant_ctrl_iface_get_network(
2236 struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2237 {
2238 int id;
2239 size_t res;
2240 struct wpa_ssid *ssid;
2241 char *name, *value;
2242
2243 /* cmd: "<network id> <variable name>" */
2244 name = os_strchr(cmd, ' ');
2245 if (name == NULL || buflen == 0)
2246 return -1;
2247 *name++ = '\0';
2248
2249 id = atoi(cmd);
2250 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2251 id, name);
2252
2253 ssid = wpa_config_get_network(wpa_s->conf, id);
2254 if (ssid == NULL) {
2255 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2256 "id=%d", id);
2257 return -1;
2258 }
2259
2260 value = wpa_config_get_no_key(ssid, name);
2261 if (value == NULL) {
2262 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2263 "variable '%s'", name);
2264 return -1;
2265 }
2266
2267 res = os_strlcpy(buf, value, buflen);
2268 if (res >= buflen) {
2269 os_free(value);
2270 return -1;
2271 }
2272
2273 os_free(value);
2274
2275 return res;
2276 }
2277
2278
2279 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2280 char *buf, size_t buflen)
2281 {
2282 char *pos, *end;
2283 struct wpa_cred *cred;
2284 int ret;
2285
2286 pos = buf;
2287 end = buf + buflen;
2288 ret = os_snprintf(pos, end - pos,
2289 "cred id / realm / username / domain / imsi\n");
2290 if (ret < 0 || ret >= end - pos)
2291 return pos - buf;
2292 pos += ret;
2293
2294 cred = wpa_s->conf->cred;
2295 while (cred) {
2296 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2297 cred->id, cred->realm ? cred->realm : "",
2298 cred->username ? cred->username : "",
2299 cred->domain ? cred->domain : "",
2300 cred->imsi ? cred->imsi : "");
2301 if (ret < 0 || ret >= end - pos)
2302 return pos - buf;
2303 pos += ret;
2304
2305 cred = cred->next;
2306 }
2307
2308 return pos - buf;
2309 }
2310
2311
2312 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2313 char *buf, size_t buflen)
2314 {
2315 struct wpa_cred *cred;
2316 int ret;
2317
2318 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2319
2320 cred = wpa_config_add_cred(wpa_s->conf);
2321 if (cred == NULL)
2322 return -1;
2323
2324 ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2325 if (ret < 0 || (size_t) ret >= buflen)
2326 return -1;
2327 return ret;
2328 }
2329
2330
2331 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2332 struct wpa_cred *cred)
2333 {
2334 struct wpa_ssid *ssid;
2335 char str[20];
2336
2337 if (cred == NULL || wpa_config_remove_cred(wpa_s->conf, cred->id) < 0) {
2338 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2339 return -1;
2340 }
2341
2342 /* Remove any network entry created based on the removed credential */
2343 ssid = wpa_s->conf->ssid;
2344 while (ssid) {
2345 if (ssid->parent_cred == cred) {
2346 wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2347 "used the removed credential", ssid->id);
2348 os_snprintf(str, sizeof(str), "%d", ssid->id);
2349 ssid = ssid->next;
2350 wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2351 } else
2352 ssid = ssid->next;
2353 }
2354
2355 return 0;
2356 }
2357
2358
2359 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2360 char *cmd)
2361 {
2362 int id;
2363 struct wpa_cred *cred, *prev;
2364
2365 /* cmd: "<cred id>", "all", or "sp_fqdn=<FQDN>" */
2366 if (os_strcmp(cmd, "all") == 0) {
2367 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2368 cred = wpa_s->conf->cred;
2369 while (cred) {
2370 prev = cred;
2371 cred = cred->next;
2372 wpas_ctrl_remove_cred(wpa_s, prev);
2373 }
2374 return 0;
2375 }
2376
2377 if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
2378 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
2379 cmd + 8);
2380 cred = wpa_s->conf->cred;
2381 while (cred) {
2382 prev = cred;
2383 cred = cred->next;
2384 if (prev->domain &&
2385 os_strcmp(prev->domain, cmd + 8) == 0)
2386 wpas_ctrl_remove_cred(wpa_s, prev);
2387 }
2388 return 0;
2389 }
2390
2391 id = atoi(cmd);
2392 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2393
2394 cred = wpa_config_get_cred(wpa_s->conf, id);
2395 return wpas_ctrl_remove_cred(wpa_s, cred);
2396 }
2397
2398
2399 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2400 char *cmd)
2401 {
2402 int id;
2403 struct wpa_cred *cred;
2404 char *name, *value;
2405
2406 /* cmd: "<cred id> <variable name> <value>" */
2407 name = os_strchr(cmd, ' ');
2408 if (name == NULL)
2409 return -1;
2410 *name++ = '\0';
2411
2412 value = os_strchr(name, ' ');
2413 if (value == NULL)
2414 return -1;
2415 *value++ = '\0';
2416
2417 id = atoi(cmd);
2418 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2419 id, name);
2420 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2421 (u8 *) value, os_strlen(value));
2422
2423 cred = wpa_config_get_cred(wpa_s->conf, id);
2424 if (cred == NULL) {
2425 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2426 id);
2427 return -1;
2428 }
2429
2430 if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2431 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2432 "variable '%s'", name);
2433 return -1;
2434 }
2435
2436 return 0;
2437 }
2438
2439
2440 #ifndef CONFIG_NO_CONFIG_WRITE
2441 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
2442 {
2443 int ret;
2444
2445 if (!wpa_s->conf->update_config) {
2446 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
2447 "to update configuration (update_config=0)");
2448 return -1;
2449 }
2450
2451 ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
2452 if (ret) {
2453 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
2454 "update configuration");
2455 } else {
2456 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
2457 " updated");
2458 }
2459
2460 return ret;
2461 }
2462 #endif /* CONFIG_NO_CONFIG_WRITE */
2463
2464
2465 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2466 struct wpa_driver_capa *capa,
2467 char *buf, size_t buflen)
2468 {
2469 int ret, first = 1;
2470 char *pos, *end;
2471 size_t len;
2472
2473 pos = buf;
2474 end = pos + buflen;
2475
2476 if (res < 0) {
2477 if (strict)
2478 return 0;
2479 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2480 if (len >= buflen)
2481 return -1;
2482 return len;
2483 }
2484
2485 if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2486 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2487 if (ret < 0 || ret >= end - pos)
2488 return pos - buf;
2489 pos += ret;
2490 first = 0;
2491 }
2492
2493 if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2494 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2495 if (ret < 0 || ret >= end - pos)
2496 return pos - buf;
2497 pos += ret;
2498 first = 0;
2499 }
2500
2501 if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2502 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2503 if (ret < 0 || ret >= end - pos)
2504 return pos - buf;
2505 pos += ret;
2506 first = 0;
2507 }
2508
2509 if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2510 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
2511 if (ret < 0 || ret >= end - pos)
2512 return pos - buf;
2513 pos += ret;
2514 first = 0;
2515 }
2516
2517 return pos - buf;
2518 }
2519
2520
2521 static int ctrl_iface_get_capability_group(int res, char *strict,
2522 struct wpa_driver_capa *capa,
2523 char *buf, size_t buflen)
2524 {
2525 int ret, first = 1;
2526 char *pos, *end;
2527 size_t len;
2528
2529 pos = buf;
2530 end = pos + buflen;
2531
2532 if (res < 0) {
2533 if (strict)
2534 return 0;
2535 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
2536 if (len >= buflen)
2537 return -1;
2538 return len;
2539 }
2540
2541 if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2542 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2543 if (ret < 0 || ret >= end - pos)
2544 return pos - buf;
2545 pos += ret;
2546 first = 0;
2547 }
2548
2549 if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2550 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2551 if (ret < 0 || ret >= end - pos)
2552 return pos - buf;
2553 pos += ret;
2554 first = 0;
2555 }
2556
2557 if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2558 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2559 if (ret < 0 || ret >= end - pos)
2560 return pos - buf;
2561 pos += ret;
2562 first = 0;
2563 }
2564
2565 if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP104) {
2566 ret = os_snprintf(pos, end - pos, "%sWEP104",
2567 first ? "" : " ");
2568 if (ret < 0 || ret >= end - pos)
2569 return pos - buf;
2570 pos += ret;
2571 first = 0;
2572 }
2573
2574 if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
2575 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
2576 if (ret < 0 || ret >= end - pos)
2577 return pos - buf;
2578 pos += ret;
2579 first = 0;
2580 }
2581
2582 return pos - buf;
2583 }
2584
2585
2586 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
2587 struct wpa_driver_capa *capa,
2588 char *buf, size_t buflen)
2589 {
2590 int ret;
2591 char *pos, *end;
2592 size_t len;
2593
2594 pos = buf;
2595 end = pos + buflen;
2596
2597 if (res < 0) {
2598 if (strict)
2599 return 0;
2600 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
2601 "NONE", buflen);
2602 if (len >= buflen)
2603 return -1;
2604 return len;
2605 }
2606
2607 ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
2608 if (ret < 0 || ret >= end - pos)
2609 return pos - buf;
2610 pos += ret;
2611
2612 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2613 WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2614 ret = os_snprintf(pos, end - pos, " WPA-EAP");
2615 if (ret < 0 || ret >= end - pos)
2616 return pos - buf;
2617 pos += ret;
2618 }
2619
2620 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2621 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2622 ret = os_snprintf(pos, end - pos, " WPA-PSK");
2623 if (ret < 0 || ret >= end - pos)
2624 return pos - buf;
2625 pos += ret;
2626 }
2627
2628 if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2629 ret = os_snprintf(pos, end - pos, " WPA-NONE");
2630 if (ret < 0 || ret >= end - pos)
2631 return pos - buf;
2632 pos += ret;
2633 }
2634
2635 return pos - buf;
2636 }
2637
2638
2639 static int ctrl_iface_get_capability_proto(int res, char *strict,
2640 struct wpa_driver_capa *capa,
2641 char *buf, size_t buflen)
2642 {
2643 int ret, first = 1;
2644 char *pos, *end;
2645 size_t len;
2646
2647 pos = buf;
2648 end = pos + buflen;
2649
2650 if (res < 0) {
2651 if (strict)
2652 return 0;
2653 len = os_strlcpy(buf, "RSN WPA", buflen);
2654 if (len >= buflen)
2655 return -1;
2656 return len;
2657 }
2658
2659 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2660 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2661 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
2662 if (ret < 0 || ret >= end - pos)
2663 return pos - buf;
2664 pos += ret;
2665 first = 0;
2666 }
2667
2668 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2669 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2670 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
2671 if (ret < 0 || ret >= end - pos)
2672 return pos - buf;
2673 pos += ret;
2674 first = 0;
2675 }
2676
2677 return pos - buf;
2678 }
2679
2680
2681 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
2682 struct wpa_driver_capa *capa,
2683 char *buf, size_t buflen)
2684 {
2685 int ret, first = 1;
2686 char *pos, *end;
2687 size_t len;
2688
2689 pos = buf;
2690 end = pos + buflen;
2691
2692 if (res < 0) {
2693 if (strict)
2694 return 0;
2695 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
2696 if (len >= buflen)
2697 return -1;
2698 return len;
2699 }
2700
2701 if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
2702 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
2703 if (ret < 0 || ret >= end - pos)
2704 return pos - buf;
2705 pos += ret;
2706 first = 0;
2707 }
2708
2709 if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
2710 ret = os_snprintf(pos, end - pos, "%sSHARED",
2711 first ? "" : " ");
2712 if (ret < 0 || ret >= end - pos)
2713 return pos - buf;
2714 pos += ret;
2715 first = 0;
2716 }
2717
2718 if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
2719 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
2720 if (ret < 0 || ret >= end - pos)
2721 return pos - buf;
2722 pos += ret;
2723 first = 0;
2724 }
2725
2726 return pos - buf;
2727 }
2728
2729
2730 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
2731 char *buf, size_t buflen)
2732 {
2733 struct hostapd_channel_data *chnl;
2734 int ret, i, j;
2735 char *pos, *end, *hmode;
2736
2737 pos = buf;
2738 end = pos + buflen;
2739
2740 for (j = 0; j < wpa_s->hw.num_modes; j++) {
2741 switch (wpa_s->hw.modes[j].mode) {
2742 case HOSTAPD_MODE_IEEE80211B:
2743 hmode = "B";
2744 break;
2745 case HOSTAPD_MODE_IEEE80211G:
2746 hmode = "G";
2747 break;
2748 case HOSTAPD_MODE_IEEE80211A:
2749 hmode = "A";
2750 break;
2751 case HOSTAPD_MODE_IEEE80211AD:
2752 hmode = "AD";
2753 break;
2754 default:
2755 continue;
2756 }
2757 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
2758 if (ret < 0 || ret >= end - pos)
2759 return pos - buf;
2760 pos += ret;
2761 chnl = wpa_s->hw.modes[j].channels;
2762 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
2763 if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
2764 continue;
2765 ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
2766 if (ret < 0 || ret >= end - pos)
2767 return pos - buf;
2768 pos += ret;
2769 }
2770 ret = os_snprintf(pos, end - pos, "\n");
2771 if (ret < 0 || ret >= end - pos)
2772 return pos - buf;
2773 pos += ret;
2774 }
2775
2776 return pos - buf;
2777 }
2778
2779
2780 static int wpa_supplicant_ctrl_iface_get_capability(
2781 struct wpa_supplicant *wpa_s, const char *_field, char *buf,
2782 size_t buflen)
2783 {
2784 struct wpa_driver_capa capa;
2785 int res;
2786 char *strict;
2787 char field[30];
2788 size_t len;
2789
2790 /* Determine whether or not strict checking was requested */
2791 len = os_strlcpy(field, _field, sizeof(field));
2792 if (len >= sizeof(field))
2793 return -1;
2794 strict = os_strchr(field, ' ');
2795 if (strict != NULL) {
2796 *strict++ = '\0';
2797 if (os_strcmp(strict, "strict") != 0)
2798 return -1;
2799 }
2800
2801 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
2802 field, strict ? strict : "");
2803
2804 if (os_strcmp(field, "eap") == 0) {
2805 return eap_get_names(buf, buflen);
2806 }
2807
2808 res = wpa_drv_get_capa(wpa_s, &capa);
2809
2810 if (os_strcmp(field, "pairwise") == 0)
2811 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
2812 buf, buflen);
2813
2814 if (os_strcmp(field, "group") == 0)
2815 return ctrl_iface_get_capability_group(res, strict, &capa,
2816 buf, buflen);
2817
2818 if (os_strcmp(field, "key_mgmt") == 0)
2819 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
2820 buf, buflen);
2821
2822 if (os_strcmp(field, "proto") == 0)
2823 return ctrl_iface_get_capability_proto(res, strict, &capa,
2824 buf, buflen);
2825
2826 if (os_strcmp(field, "auth_alg") == 0)
2827 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
2828 buf, buflen);
2829
2830 if (os_strcmp(field, "channels") == 0)
2831 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
2832
2833 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
2834 field);
2835
2836 return -1;
2837 }
2838
2839
2840 #ifdef CONFIG_INTERWORKING
2841 static char * anqp_add_hex(char *pos, char *end, const char *title,
2842 struct wpabuf *data)
2843 {
2844 char *start = pos;
2845 size_t i;
2846 int ret;
2847 const u8 *d;
2848
2849 if (data == NULL)
2850 return start;
2851
2852 ret = os_snprintf(pos, end - pos, "%s=", title);
2853 if (ret < 0 || ret >= end - pos)
2854 return start;
2855 pos += ret;
2856
2857 d = wpabuf_head_u8(data);
2858 for (i = 0; i < wpabuf_len(data); i++) {
2859 ret = os_snprintf(pos, end - pos, "%02x", *d++);
2860 if (ret < 0 || ret >= end - pos)
2861 return start;
2862 pos += ret;
2863 }
2864
2865 ret = os_snprintf(pos, end - pos, "\n");
2866 if (ret < 0 || ret >= end - pos)
2867 return start;
2868 pos += ret;
2869
2870 return pos;
2871 }
2872 #endif /* CONFIG_INTERWORKING */
2873
2874
2875 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
2876 unsigned long mask, char *buf, size_t buflen)
2877 {
2878 size_t i;
2879 int ret;
2880 char *pos, *end;
2881 const u8 *ie, *ie2;
2882
2883 pos = buf;
2884 end = buf + buflen;
2885
2886 if (mask & WPA_BSS_MASK_ID) {
2887 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
2888 if (ret < 0 || ret >= end - pos)
2889 return 0;
2890 pos += ret;
2891 }
2892
2893 if (mask & WPA_BSS_MASK_BSSID) {
2894 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
2895 MAC2STR(bss->bssid));
2896 if (ret < 0 || ret >= end - pos)
2897 return 0;
2898 pos += ret;
2899 }
2900
2901 if (mask & WPA_BSS_MASK_FREQ) {
2902 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
2903 if (ret < 0 || ret >= end - pos)
2904 return 0;
2905 pos += ret;
2906 }
2907
2908 if (mask & WPA_BSS_MASK_BEACON_INT) {
2909 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
2910 bss->beacon_int);
2911 if (ret < 0 || ret >= end - pos)
2912 return 0;
2913 pos += ret;
2914 }
2915
2916 if (mask & WPA_BSS_MASK_CAPABILITIES) {
2917 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
2918 bss->caps);
2919 if (ret < 0 || ret >= end - pos)
2920 return 0;
2921 pos += ret;
2922 }
2923
2924 if (mask & WPA_BSS_MASK_QUAL) {
2925 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
2926 if (ret < 0 || ret >= end - pos)
2927 return 0;
2928 pos += ret;
2929 }
2930
2931 if (mask & WPA_BSS_MASK_NOISE) {
2932 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
2933 if (ret < 0 || ret >= end - pos)
2934 return 0;
2935 pos += ret;
2936 }
2937
2938 if (mask & WPA_BSS_MASK_LEVEL) {
2939 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
2940 if (ret < 0 || ret >= end - pos)
2941 return 0;
2942 pos += ret;
2943 }
2944
2945 if (mask & WPA_BSS_MASK_TSF) {
2946 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
2947 (unsigned long long) bss->tsf);
2948 if (ret < 0 || ret >= end - pos)
2949 return 0;
2950 pos += ret;
2951 }
2952
2953 if (mask & WPA_BSS_MASK_AGE) {
2954 struct os_time now;
2955
2956 os_get_time(&now);
2957 ret = os_snprintf(pos, end - pos, "age=%d\n",
2958 (int) (now.sec - bss->last_update.sec));
2959 if (ret < 0 || ret >= end - pos)
2960 return 0;
2961 pos += ret;
2962 }
2963
2964 if (mask & WPA_BSS_MASK_IE) {
2965 ret = os_snprintf(pos, end - pos, "ie=");
2966 if (ret < 0 || ret >= end - pos)
2967 return 0;
2968 pos += ret;
2969
2970 ie = (const u8 *) (bss + 1);
2971 for (i = 0; i < bss->ie_len; i++) {
2972 ret = os_snprintf(pos, end - pos, "%02x", *ie++);
2973 if (ret < 0 || ret >= end - pos)
2974 return 0;
2975 pos += ret;
2976 }
2977
2978 ret = os_snprintf(pos, end - pos, "\n");
2979 if (ret < 0 || ret >= end - pos)
2980 return 0;
2981 pos += ret;
2982 }
2983
2984 if (mask & WPA_BSS_MASK_FLAGS) {
2985 ret = os_snprintf(pos, end - pos, "flags=");
2986 if (ret < 0 || ret >= end - pos)
2987 return 0;
2988 pos += ret;
2989
2990 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2991 if (ie)
2992 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
2993 2 + ie[1]);
2994 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2995 if (ie2)
2996 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
2997 2 + ie2[1]);
2998 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2999 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3000 ret = os_snprintf(pos, end - pos, "[WEP]");
3001 if (ret < 0 || ret >= end - pos)
3002 return 0;
3003 pos += ret;
3004 }
3005 if (bss->caps & IEEE80211_CAP_IBSS) {
3006 ret = os_snprintf(pos, end - pos, "[IBSS]");
3007 if (ret < 0 || ret >= end - pos)
3008 return 0;
3009 pos += ret;
3010 }
3011 if (bss->caps & IEEE80211_CAP_ESS) {
3012 ret = os_snprintf(pos, end - pos, "[ESS]");
3013 if (ret < 0 || ret >= end - pos)
3014 return 0;
3015 pos += ret;
3016 }
3017 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE)) {
3018 ret = os_snprintf(pos, end - pos, "[P2P]");
3019 if (ret < 0 || ret >= end - pos)
3020 return 0;
3021 pos += ret;
3022 }
3023 #ifdef CONFIG_HS20
3024 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3025 ret = os_snprintf(pos, end - pos, "[HS20]");
3026 if (ret < 0 || ret >= end - pos)
3027 return -1;
3028 pos += ret;
3029 }
3030 #endif /* CONFIG_HS20 */
3031
3032 ret = os_snprintf(pos, end - pos, "\n");
3033 if (ret < 0 || ret >= end - pos)
3034 return 0;
3035 pos += ret;
3036 }
3037
3038 if (mask & WPA_BSS_MASK_SSID) {
3039 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3040 wpa_ssid_txt(bss->ssid, bss->ssid_len));
3041 if (ret < 0 || ret >= end - pos)
3042 return 0;
3043 pos += ret;
3044 }
3045
3046 #ifdef CONFIG_WPS
3047 if (mask & WPA_BSS_MASK_WPS_SCAN) {
3048 ie = (const u8 *) (bss + 1);
3049 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3050 if (ret < 0 || ret >= end - pos)
3051 return 0;
3052 pos += ret;
3053 }
3054 #endif /* CONFIG_WPS */
3055
3056 #ifdef CONFIG_P2P
3057 if (mask & WPA_BSS_MASK_P2P_SCAN) {
3058 ie = (const u8 *) (bss + 1);
3059 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3060 if (ret < 0 || ret >= end - pos)
3061 return 0;
3062 pos += ret;
3063 }
3064 #endif /* CONFIG_P2P */
3065
3066 #ifdef CONFIG_WIFI_DISPLAY
3067 if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3068 struct wpabuf *wfd;
3069 ie = (const u8 *) (bss + 1);
3070 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3071 WFD_IE_VENDOR_TYPE);
3072 if (wfd) {
3073 ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3074 if (ret < 0 || ret >= end - pos)
3075 return pos - buf;
3076 pos += ret;
3077
3078 pos += wpa_snprintf_hex(pos, end - pos,
3079 wpabuf_head(wfd),
3080 wpabuf_len(wfd));
3081 wpabuf_free(wfd);
3082
3083 ret = os_snprintf(pos, end - pos, "\n");
3084 if (ret < 0 || ret >= end - pos)
3085 return pos - buf;
3086 pos += ret;
3087 }
3088 }
3089 #endif /* CONFIG_WIFI_DISPLAY */
3090
3091 #ifdef CONFIG_INTERWORKING
3092 if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3093 struct wpa_bss_anqp *anqp = bss->anqp;
3094 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3095 anqp->venue_name);
3096 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3097 anqp->network_auth_type);
3098 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3099 anqp->roaming_consortium);
3100 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3101 anqp->ip_addr_type_availability);
3102 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3103 anqp->nai_realm);
3104 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3105 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3106 anqp->domain_name);
3107 #ifdef CONFIG_HS20
3108 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3109 anqp->hs20_operator_friendly_name);
3110 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3111 anqp->hs20_wan_metrics);
3112 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3113 anqp->hs20_connection_capability);
3114 #endif /* CONFIG_HS20 */
3115 }
3116 #endif /* CONFIG_INTERWORKING */
3117
3118 return pos - buf;
3119 }
3120
3121
3122 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3123 const char *cmd, char *buf,
3124 size_t buflen)
3125 {
3126 u8 bssid[ETH_ALEN];
3127 size_t i;
3128 struct wpa_bss *bss;
3129 struct wpa_bss *bsslast = NULL;
3130 struct dl_list *next;
3131 int ret = 0;
3132 int len;
3133 char *ctmp;
3134 unsigned long mask = WPA_BSS_MASK_ALL;
3135
3136 if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3137 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3138 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3139 list_id);
3140 bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3141 list_id);
3142 } else { /* N1-N2 */
3143 unsigned int id1, id2;
3144
3145 if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3146 wpa_printf(MSG_INFO, "Wrong BSS range "
3147 "format");
3148 return 0;
3149 }
3150
3151 id1 = atoi(cmd + 6);
3152 bss = wpa_bss_get_id(wpa_s, id1);
3153 id2 = atoi(ctmp + 1);
3154 if (id2 == 0)
3155 bsslast = dl_list_last(&wpa_s->bss_id,
3156 struct wpa_bss,
3157 list_id);
3158 else {
3159 bsslast = wpa_bss_get_id(wpa_s, id2);
3160 if (bsslast == NULL && bss && id2 > id1) {
3161 struct wpa_bss *tmp = bss;
3162 for (;;) {
3163 next = tmp->list_id.next;
3164 if (next == &wpa_s->bss_id)
3165 break;
3166 tmp = dl_list_entry(
3167 next, struct wpa_bss,
3168 list_id);
3169 if (tmp->id > id2)
3170 break;
3171 bsslast = tmp;
3172 }
3173 }
3174 }
3175 }
3176 } else if (os_strncmp(cmd, "FIRST", 5) == 0)
3177 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3178 else if (os_strncmp(cmd, "LAST", 4) == 0)
3179 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
3180 else if (os_strncmp(cmd, "ID-", 3) == 0) {
3181 i = atoi(cmd + 3);
3182 bss = wpa_bss_get_id(wpa_s, i);
3183 } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3184 i = atoi(cmd + 5);
3185 bss = wpa_bss_get_id(wpa_s, i);
3186 if (bss) {
3187 next = bss->list_id.next;
3188 if (next == &wpa_s->bss_id)
3189 bss = NULL;
3190 else
3191 bss = dl_list_entry(next, struct wpa_bss,
3192 list_id);
3193 }
3194 #ifdef CONFIG_P2P
3195 } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3196 if (hwaddr_aton(cmd + 13, bssid) == 0)
3197 bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3198 else
3199 bss = NULL;
3200 #endif /* CONFIG_P2P */
3201 } else if (hwaddr_aton(cmd, bssid) == 0)
3202 bss = wpa_bss_get_bssid(wpa_s, bssid);
3203 else {
3204 struct wpa_bss *tmp;
3205 i = atoi(cmd);
3206 bss = NULL;
3207 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3208 {
3209 if (i-- == 0) {
3210 bss = tmp;
3211 break;
3212 }
3213 }
3214 }
3215
3216 if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3217 mask = strtoul(ctmp + 5, NULL, 0x10);
3218 if (mask == 0)
3219 mask = WPA_BSS_MASK_ALL;
3220 }
3221
3222 if (bss == NULL)
3223 return 0;
3224
3225 if (bsslast == NULL)
3226 bsslast = bss;
3227 do {
3228 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3229 ret += len;
3230 buf += len;
3231 buflen -= len;
3232 if (bss == bsslast)
3233 break;
3234 next = bss->list_id.next;
3235 if (next == &wpa_s->bss_id)
3236 break;
3237 bss = dl_list_entry(next, struct wpa_bss, list_id);
3238 } while (bss && len);
3239
3240 return ret;
3241 }
3242
3243
3244 static int wpa_supplicant_ctrl_iface_ap_scan(
3245 struct wpa_supplicant *wpa_s, char *cmd)
3246 {
3247 int ap_scan = atoi(cmd);
3248 return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3249 }
3250
3251
3252 static int wpa_supplicant_ctrl_iface_scan_interval(
3253 struct wpa_supplicant *wpa_s, char *cmd)
3254 {
3255 int scan_int = atoi(cmd);
3256 return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3257 }
3258
3259
3260 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3261 struct wpa_supplicant *wpa_s, char *cmd)
3262 {
3263 int expire_age = atoi(cmd);
3264 return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3265 }
3266
3267
3268 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3269 struct wpa_supplicant *wpa_s, char *cmd)
3270 {
3271 int expire_count = atoi(cmd);
3272 return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3273 }
3274
3275
3276 static int wpa_supplicant_ctrl_iface_bss_flush(
3277 struct wpa_supplicant *wpa_s, char *cmd)
3278 {
3279 int flush_age = atoi(cmd);
3280
3281 if (flush_age == 0)
3282 wpa_bss_flush(wpa_s);
3283 else
3284 wpa_bss_flush_by_age(wpa_s, flush_age);
3285 return 0;
3286 }
3287
3288
3289 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3290 {
3291 wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3292 /* MLME-DELETEKEYS.request */
3293 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3294 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3295 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3296 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3297 #ifdef CONFIG_IEEE80211W
3298 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3299 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3300 #endif /* CONFIG_IEEE80211W */
3301
3302 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3303 0);
3304 /* MLME-SETPROTECTION.request(None) */
3305 wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3306 MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3307 MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3308 wpa_sm_drop_sa(wpa_s->wpa);
3309 }
3310
3311
3312 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3313 char *addr)
3314 {
3315 #ifdef CONFIG_NO_SCAN_PROCESSING
3316 return -1;
3317 #else /* CONFIG_NO_SCAN_PROCESSING */
3318 u8 bssid[ETH_ALEN];
3319 struct wpa_bss *bss;
3320 struct wpa_ssid *ssid = wpa_s->current_ssid;
3321
3322 if (hwaddr_aton(addr, bssid)) {
3323 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3324 "address '%s'", addr);
3325 return -1;
3326 }
3327
3328 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3329
3330 bss = wpa_bss_get_bssid(wpa_s, bssid);
3331 if (!bss) {
3332 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3333 "from BSS table");
3334 return -1;
3335 }
3336
3337 /*
3338 * TODO: Find best network configuration block from configuration to
3339 * allow roaming to other networks
3340 */
3341
3342 if (!ssid) {
3343 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3344 "configuration known for the target AP");
3345 return -1;
3346 }
3347
3348 wpa_s->reassociate = 1;
3349 wpa_supplicant_connect(wpa_s, bss, ssid);
3350
3351 return 0;
3352 #endif /* CONFIG_NO_SCAN_PROCESSING */
3353 }
3354
3355
3356 #ifdef CONFIG_P2P
3357 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3358 {
3359 unsigned int timeout = atoi(cmd);
3360 enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3361 u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3362 char *pos;
3363 unsigned int search_delay;
3364
3365 if (os_strstr(cmd, "type=social"))
3366 type = P2P_FIND_ONLY_SOCIAL;
3367 else if (os_strstr(cmd, "type=progressive"))
3368 type = P2P_FIND_PROGRESSIVE;
3369
3370 pos = os_strstr(cmd, "dev_id=");
3371 if (pos) {
3372 pos += 7;
3373 if (hwaddr_aton(pos, dev_id))
3374 return -1;
3375 _dev_id = dev_id;
3376 }
3377
3378 pos = os_strstr(cmd, "delay=");
3379 if (pos) {
3380 pos += 6;
3381 search_delay = atoi(pos);
3382 } else
3383 search_delay = wpas_p2p_search_delay(wpa_s);
3384
3385 return wpas_p2p_find(wpa_s, timeout, type, 0, NULL, _dev_id,
3386 search_delay);
3387 }
3388
3389
3390 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3391 char *buf, size_t buflen)
3392 {
3393 u8 addr[ETH_ALEN];
3394 char *pos, *pos2;
3395 char *pin = NULL;
3396 enum p2p_wps_method wps_method;
3397 int new_pin;
3398 int ret;
3399 int persistent_group, persistent_id = -1;
3400 int join;
3401 int auth;
3402 int automatic;
3403 int go_intent = -1;
3404 int freq = 0;
3405 int pd;
3406 int ht40;
3407
3408 /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3409 * [persistent|persistent=<network id>]
3410 * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3411 * [ht40] */
3412
3413 if (hwaddr_aton(cmd, addr))
3414 return -1;
3415
3416 pos = cmd + 17;
3417 if (*pos != ' ')
3418 return -1;
3419 pos++;
3420
3421 persistent_group = os_strstr(pos, " persistent") != NULL;
3422 pos2 = os_strstr(pos, " persistent=");
3423 if (pos2) {
3424 struct wpa_ssid *ssid;
3425 persistent_id = atoi(pos2 + 12);
3426 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3427 if (ssid == NULL || ssid->disabled != 2 ||
3428 ssid->mode != WPAS_MODE_P2P_GO) {
3429 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3430 "SSID id=%d for persistent P2P group (GO)",
3431 persistent_id);
3432 return -1;
3433 }
3434 }
3435 join = os_strstr(pos, " join") != NULL;
3436 auth = os_strstr(pos, " auth") != NULL;
3437 automatic = os_strstr(pos, " auto") != NULL;
3438 pd = os_strstr(pos, " provdisc") != NULL;
3439 ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3440
3441 pos2 = os_strstr(pos, " go_intent=");
3442 if (pos2) {
3443 pos2 += 11;
3444 go_intent = atoi(pos2);
3445 if (go_intent < 0 || go_intent > 15)
3446 return -1;
3447 }
3448
3449 pos2 = os_strstr(pos, " freq=");
3450 if (pos2) {
3451 pos2 += 6;
3452 freq = atoi(pos2);
3453 if (freq <= 0)
3454 return -1;
3455 }
3456
3457 if (os_strncmp(pos, "pin", 3) == 0) {
3458 /* Request random PIN (to be displayed) and enable the PIN */
3459 wps_method = WPS_PIN_DISPLAY;
3460 } else if (os_strncmp(pos, "pbc", 3) == 0) {
3461 wps_method = WPS_PBC;
3462 } else {
3463 pin = pos;
3464 pos = os_strchr(pin, ' ');
3465 wps_method = WPS_PIN_KEYPAD;
3466 if (pos) {
3467 *pos++ = '\0';
3468 if (os_strncmp(pos, "display", 7) == 0)
3469 wps_method = WPS_PIN_DISPLAY;
3470 }
3471 if (!wps_pin_str_valid(pin)) {
3472 os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
3473 return 17;
3474 }
3475 }
3476
3477 new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
3478 persistent_group, automatic, join,
3479 auth, go_intent, freq, persistent_id, pd,
3480 ht40);
3481 if (new_pin == -2) {
3482 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
3483 return 25;
3484 }
3485 if (new_pin == -3) {
3486 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
3487 return 25;
3488 }
3489 if (new_pin < 0)
3490 return -1;
3491 if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
3492 ret = os_snprintf(buf, buflen, "%08d", new_pin);
3493 if (ret < 0 || (size_t) ret >= buflen)
3494 return -1;
3495 return ret;
3496 }
3497
3498 os_memcpy(buf, "OK\n", 3);
3499 return 3;
3500 }
3501
3502
3503 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
3504 {
3505 unsigned int timeout = atoi(cmd);
3506 return wpas_p2p_listen(wpa_s, timeout);
3507 }
3508
3509
3510 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
3511 {
3512 u8 addr[ETH_ALEN];
3513 char *pos;
3514 enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
3515
3516 /* <addr> <config method> [join|auto] */
3517
3518 if (hwaddr_aton(cmd, addr))
3519 return -1;
3520
3521 pos = cmd + 17;
3522 if (*pos != ' ')
3523 return -1;
3524 pos++;
3525
3526 if (os_strstr(pos, " join") != NULL)
3527 use = WPAS_P2P_PD_FOR_JOIN;
3528 else if (os_strstr(pos, " auto") != NULL)
3529 use = WPAS_P2P_PD_AUTO;
3530
3531 return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
3532 }
3533
3534
3535 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
3536 size_t buflen)
3537 {
3538 struct wpa_ssid *ssid = wpa_s->current_ssid;
3539
3540 if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3541 ssid->passphrase == NULL)
3542 return -1;
3543
3544 os_strlcpy(buf, ssid->passphrase, buflen);
3545 return os_strlen(buf);
3546 }
3547
3548
3549 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
3550 char *buf, size_t buflen)
3551 {
3552 u64 ref;
3553 int res;
3554 u8 dst_buf[ETH_ALEN], *dst;
3555 struct wpabuf *tlvs;
3556 char *pos;
3557 size_t len;
3558
3559 if (hwaddr_aton(cmd, dst_buf))
3560 return -1;
3561 dst = dst_buf;
3562 if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
3563 dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
3564 dst = NULL;
3565 pos = cmd + 17;
3566 if (*pos != ' ')
3567 return -1;
3568 pos++;
3569
3570 if (os_strncmp(pos, "upnp ", 5) == 0) {
3571 u8 version;
3572 pos += 5;
3573 if (hexstr2bin(pos, &version, 1) < 0)
3574 return -1;
3575 pos += 2;
3576 if (*pos != ' ')
3577 return -1;
3578 pos++;
3579 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
3580 #ifdef CONFIG_WIFI_DISPLAY
3581 } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
3582 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
3583 #endif /* CONFIG_WIFI_DISPLAY */
3584 } else {
3585 len = os_strlen(pos);
3586 if (len & 1)
3587 return -1;
3588 len /= 2;
3589 tlvs = wpabuf_alloc(len);
3590 if (tlvs == NULL)
3591 return -1;
3592 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
3593 wpabuf_free(tlvs);
3594 return -1;
3595 }
3596
3597 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
3598 wpabuf_free(tlvs);
3599 }
3600 if (ref == 0)
3601 return -1;
3602 res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
3603 if (res < 0 || (unsigned) res >= buflen)
3604 return -1;
3605 return res;
3606 }
3607
3608
3609 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
3610 char *cmd)
3611 {
3612 long long unsigned val;
3613 u64 req;
3614 if (sscanf(cmd, "%llx", &val) != 1)
3615 return -1;
3616 req = val;
3617 return wpas_p2p_sd_cancel_request(wpa_s, req);
3618 }
3619
3620
3621 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
3622 {
3623 int freq;
3624 u8 dst[ETH_ALEN];
3625 u8 dialog_token;
3626 struct wpabuf *resp_tlvs;
3627 char *pos, *pos2;
3628 size_t len;
3629
3630 pos = os_strchr(cmd, ' ');
3631 if (pos == NULL)
3632 return -1;
3633 *pos++ = '\0';
3634 freq = atoi(cmd);
3635 if (freq == 0)
3636 return -1;
3637
3638 if (hwaddr_aton(pos, dst))
3639 return -1;
3640 pos += 17;
3641 if (*pos != ' ')
3642 return -1;
3643 pos++;
3644
3645 pos2 = os_strchr(pos, ' ');
3646 if (pos2 == NULL)
3647 return -1;
3648 *pos2++ = '\0';
3649 dialog_token = atoi(pos);
3650
3651 len = os_strlen(pos2);
3652 if (len & 1)
3653 return -1;
3654 len /= 2;
3655 resp_tlvs = wpabuf_alloc(len);
3656 if (resp_tlvs == NULL)
3657 return -1;
3658 if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
3659 wpabuf_free(resp_tlvs);
3660 return -1;
3661 }
3662
3663 wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
3664 wpabuf_free(resp_tlvs);
3665 return 0;
3666 }
3667
3668
3669 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
3670 char *cmd)
3671 {
3672 if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
3673 return -1;
3674 wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
3675 return 0;
3676 }
3677
3678
3679 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
3680 char *cmd)
3681 {
3682 char *pos;
3683 size_t len;
3684 struct wpabuf *query, *resp;
3685
3686 pos = os_strchr(cmd, ' ');
3687 if (pos == NULL)
3688 return -1;
3689 *pos++ = '\0';
3690
3691 len = os_strlen(cmd);
3692 if (len & 1)
3693 return -1;
3694 len /= 2;
3695 query = wpabuf_alloc(len);
3696 if (query == NULL)
3697 return -1;
3698 if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3699 wpabuf_free(query);
3700 return -1;
3701 }
3702
3703 len = os_strlen(pos);
3704 if (len & 1) {
3705 wpabuf_free(query);
3706 return -1;
3707 }
3708 len /= 2;
3709 resp = wpabuf_alloc(len);
3710 if (resp == NULL) {
3711 wpabuf_free(query);
3712 return -1;
3713 }
3714 if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
3715 wpabuf_free(query);
3716 wpabuf_free(resp);
3717 return -1;
3718 }
3719
3720 if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
3721 wpabuf_free(query);
3722 wpabuf_free(resp);
3723 return -1;
3724 }
3725 return 0;
3726 }
3727
3728
3729 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3730 {
3731 char *pos;
3732 u8 version;
3733
3734 pos = os_strchr(cmd, ' ');
3735 if (pos == NULL)
3736 return -1;
3737 *pos++ = '\0';
3738
3739 if (hexstr2bin(cmd, &version, 1) < 0)
3740 return -1;
3741
3742 return wpas_p2p_service_add_upnp(wpa_s, version, pos);
3743 }
3744
3745
3746 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
3747 {
3748 char *pos;
3749
3750 pos = os_strchr(cmd, ' ');
3751 if (pos == NULL)
3752 return -1;
3753 *pos++ = '\0';
3754
3755 if (os_strcmp(cmd, "bonjour") == 0)
3756 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
3757 if (os_strcmp(cmd, "upnp") == 0)
3758 return p2p_ctrl_service_add_upnp(wpa_s, pos);
3759 wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3760 return -1;
3761 }
3762
3763
3764 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
3765 char *cmd)
3766 {
3767 size_t len;
3768 struct wpabuf *query;
3769 int ret;
3770
3771 len = os_strlen(cmd);
3772 if (len & 1)
3773 return -1;
3774 len /= 2;
3775 query = wpabuf_alloc(len);
3776 if (query == NULL)
3777 return -1;
3778 if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3779 wpabuf_free(query);
3780 return -1;
3781 }
3782
3783 ret = wpas_p2p_service_del_bonjour(wpa_s, query);
3784 wpabuf_free(query);
3785 return ret;
3786 }
3787
3788
3789 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3790 {
3791 char *pos;
3792 u8 version;
3793
3794 pos = os_strchr(cmd, ' ');
3795 if (pos == NULL)
3796 return -1;
3797 *pos++ = '\0';
3798
3799 if (hexstr2bin(cmd, &version, 1) < 0)
3800 return -1;
3801
3802 return wpas_p2p_service_del_upnp(wpa_s, version, pos);
3803 }
3804
3805
3806 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
3807 {
3808 char *pos;
3809
3810 pos = os_strchr(cmd, ' ');
3811 if (pos == NULL)
3812 return -1;
3813 *pos++ = '\0';
3814
3815 if (os_strcmp(cmd, "bonjour") == 0)
3816 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
3817 if (os_strcmp(cmd, "upnp") == 0)
3818 return p2p_ctrl_service_del_upnp(wpa_s, pos);
3819 wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3820 return -1;
3821 }
3822
3823
3824 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
3825 {
3826 u8 addr[ETH_ALEN];
3827
3828 /* <addr> */
3829
3830 if (hwaddr_aton(cmd, addr))
3831 return -1;
3832
3833 return wpas_p2p_reject(wpa_s, addr);
3834 }
3835
3836
3837 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
3838 {
3839 char *pos;
3840 int id;
3841 struct wpa_ssid *ssid;
3842 u8 *_peer = NULL, peer[ETH_ALEN];
3843 int freq = 0;
3844 int ht40;
3845
3846 id = atoi(cmd);
3847 pos = os_strstr(cmd, " peer=");
3848 if (pos) {
3849 pos += 6;
3850 if (hwaddr_aton(pos, peer))
3851 return -1;
3852 _peer = peer;
3853 }
3854 ssid = wpa_config_get_network(wpa_s->conf, id);
3855 if (ssid == NULL || ssid->disabled != 2) {
3856 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
3857 "for persistent P2P group",
3858 id);
3859 return -1;
3860 }
3861
3862 pos = os_strstr(cmd, " freq=");
3863 if (pos) {
3864 pos += 6;
3865 freq = atoi(pos);
3866 if (freq <= 0)
3867 return -1;
3868 }
3869
3870 ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3871
3872 return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40);
3873 }
3874
3875
3876 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
3877 {
3878 char *pos;
3879 u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
3880
3881 pos = os_strstr(cmd, " peer=");
3882 if (!pos)
3883 return -1;
3884
3885 *pos = '\0';
3886 pos += 6;
3887 if (hwaddr_aton(pos, peer)) {
3888 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
3889 return -1;
3890 }
3891
3892 pos = os_strstr(pos, " go_dev_addr=");
3893 if (pos) {
3894 pos += 13;
3895 if (hwaddr_aton(pos, go_dev_addr)) {
3896 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
3897 pos);
3898 return -1;
3899 }
3900 go_dev = go_dev_addr;
3901 }
3902
3903 return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
3904 }
3905
3906
3907 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
3908 {
3909 if (os_strncmp(cmd, "persistent=", 11) == 0)
3910 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
3911 if (os_strncmp(cmd, "group=", 6) == 0)
3912 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
3913
3914 return -1;
3915 }
3916
3917
3918 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
3919 char *cmd, int freq, int ht40)
3920 {
3921 int id;
3922 struct wpa_ssid *ssid;
3923
3924 id = atoi(cmd);
3925 ssid = wpa_config_get_network(wpa_s->conf, id);
3926 if (ssid == NULL || ssid->disabled != 2) {
3927 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
3928 "for persistent P2P group",
3929 id);
3930 return -1;
3931 }
3932
3933 return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40);
3934 }
3935
3936
3937 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
3938 {
3939 int freq = 0, ht40;
3940 char *pos;
3941
3942 pos = os_strstr(cmd, "freq=");
3943 if (pos)
3944 freq = atoi(pos + 5);
3945
3946 ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3947
3948 if (os_strncmp(cmd, "persistent=", 11) == 0)
3949 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
3950 ht40);
3951 if (os_strcmp(cmd, "persistent") == 0 ||
3952 os_strncmp(cmd, "persistent ", 11) == 0)
3953 return wpas_p2p_group_add(wpa_s, 1, freq, ht40);
3954 if (os_strncmp(cmd, "freq=", 5) == 0)
3955 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
3956 if (ht40)
3957 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
3958
3959 wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
3960 cmd);
3961 return -1;
3962 }
3963
3964
3965 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
3966 char *buf, size_t buflen)
3967 {
3968 u8 addr[ETH_ALEN], *addr_ptr;
3969 int next, res;
3970 const struct p2p_peer_info *info;
3971 char *pos, *end;
3972 char devtype[WPS_DEV_TYPE_BUFSIZE];
3973 struct wpa_ssid *ssid;
3974 size_t i;
3975
3976 if (!wpa_s->global->p2p)
3977 return -1;
3978
3979 if (os_strcmp(cmd, "FIRST") == 0) {
3980 addr_ptr = NULL;
3981 next = 0;
3982 } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3983 if (hwaddr_aton(cmd + 5, addr) < 0)
3984 return -1;
3985 addr_ptr = addr;
3986 next = 1;
3987 } else {
3988 if (hwaddr_aton(cmd, addr) < 0)
3989 return -1;
3990 addr_ptr = addr;
3991 next = 0;
3992 }
3993
3994 info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
3995 if (info == NULL)
3996 return -1;
3997
3998 pos = buf;
3999 end = buf + buflen;
4000
4001 res = os_snprintf(pos, end - pos, MACSTR "\n"
4002 "pri_dev_type=%s\n"
4003 "device_name=%s\n"
4004 "manufacturer=%s\n"
4005 "model_name=%s\n"
4006 "model_number=%s\n"
4007 "serial_number=%s\n"
4008 "config_methods=0x%x\n"
4009 "dev_capab=0x%x\n"
4010 "group_capab=0x%x\n"
4011 "level=%d\n",
4012 MAC2STR(info->p2p_device_addr),
4013 wps_dev_type_bin2str(info->pri_dev_type,
4014 devtype, sizeof(devtype)),
4015 info->device_name,
4016 info->manufacturer,
4017 info->model_name,
4018 info->model_number,
4019 info->serial_number,
4020 info->config_methods,
4021 info->dev_capab,
4022 info->group_capab,
4023 info->level);
4024 if (res < 0 || res >= end - pos)
4025 return pos - buf;
4026 pos += res;
4027
4028 for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4029 {
4030 const u8 *t;
4031 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4032 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4033 wps_dev_type_bin2str(t, devtype,
4034 sizeof(devtype)));
4035 if (res < 0 || res >= end - pos)
4036 return pos - buf;
4037 pos += res;
4038 }
4039
4040 ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4041 if (ssid) {
4042 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4043 if (res < 0 || res >= end - pos)
4044 return pos - buf;
4045 pos += res;
4046 }
4047
4048 res = p2p_get_peer_info_txt(info, pos, end - pos);
4049 if (res < 0)
4050 return pos - buf;
4051 pos += res;
4052
4053 return pos - buf;
4054 }
4055
4056
4057 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4058 const char *param)
4059 {
4060 struct wpa_freq_range *freq = NULL, *n;
4061 unsigned int count = 0, i;
4062 const char *pos, *pos2, *pos3;
4063
4064 if (wpa_s->global->p2p == NULL)
4065 return -1;
4066
4067 /*
4068 * param includes comma separated frequency range.
4069 * For example: 2412-2432,2462,5000-6000
4070 */
4071 pos = param;
4072 while (pos && pos[0]) {
4073 n = os_realloc_array(freq, count + 1,
4074 sizeof(struct wpa_freq_range));
4075 if (n == NULL) {
4076 os_free(freq);
4077 return -1;
4078 }
4079 freq = n;
4080 freq[count].min = atoi(pos);
4081 pos2 = os_strchr(pos, '-');
4082 pos3 = os_strchr(pos, ',');
4083 if (pos2 && (!pos3 || pos2 < pos3)) {
4084 pos2++;
4085 freq[count].max = atoi(pos2);
4086 } else
4087 freq[count].max = freq[count].min;
4088 pos = pos3;
4089 if (pos)
4090 pos++;
4091 count++;
4092 }
4093
4094 for (i = 0; i < count; i++) {
4095 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4096 freq[i].min, freq[i].max);
4097 }
4098
4099 os_free(wpa_s->global->p2p_disallow_freq);
4100 wpa_s->global->p2p_disallow_freq = freq;
4101 wpa_s->global->num_p2p_disallow_freq = count;
4102 wpas_p2p_update_channel_list(wpa_s);
4103 return 0;
4104 }
4105
4106
4107 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4108 {
4109 char *param;
4110
4111 if (wpa_s->global->p2p == NULL)
4112 return -1;
4113
4114 param = os_strchr(cmd, ' ');
4115 if (param == NULL)
4116 return -1;
4117 *param++ = '\0';
4118
4119 if (os_strcmp(cmd, "discoverability") == 0) {
4120 p2p_set_client_discoverability(wpa_s->global->p2p,
4121 atoi(param));
4122 return 0;
4123 }
4124
4125 if (os_strcmp(cmd, "managed") == 0) {
4126 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4127 return 0;
4128 }
4129
4130 if (os_strcmp(cmd, "listen_channel") == 0) {
4131 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4132 atoi(param));
4133 }
4134
4135 if (os_strcmp(cmd, "ssid_postfix") == 0) {
4136 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4137 os_strlen(param));
4138 }
4139
4140 if (os_strcmp(cmd, "noa") == 0) {
4141 char *pos;
4142 int count, start, duration;
4143 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4144 count = atoi(param);
4145 pos = os_strchr(param, ',');
4146 if (pos == NULL)
4147 return -1;
4148 pos++;
4149 start = atoi(pos);
4150 pos = os_strchr(pos, ',');
4151 if (pos == NULL)
4152 return -1;
4153 pos++;
4154 duration = atoi(pos);
4155 if (count < 0 || count > 255 || start < 0 || duration < 0)
4156 return -1;
4157 if (count == 0 && duration > 0)
4158 return -1;
4159 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4160 "start=%d duration=%d", count, start, duration);
4161 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4162 }
4163
4164 if (os_strcmp(cmd, "ps") == 0)
4165 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4166
4167 if (os_strcmp(cmd, "oppps") == 0)
4168 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4169
4170 if (os_strcmp(cmd, "ctwindow") == 0)
4171 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4172
4173 if (os_strcmp(cmd, "disabled") == 0) {
4174 wpa_s->global->p2p_disabled = atoi(param);
4175 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4176 wpa_s->global->p2p_disabled ?
4177 "disabled" : "enabled");
4178 if (wpa_s->global->p2p_disabled) {
4179 wpas_p2p_stop_find(wpa_s);
4180 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4181 p2p_flush(wpa_s->global->p2p);
4182 }
4183 return 0;
4184 }
4185
4186 if (os_strcmp(cmd, "conc_pref") == 0) {
4187 if (os_strcmp(param, "sta") == 0)
4188 wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4189 else if (os_strcmp(param, "p2p") == 0)
4190 wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4191 else {
4192 wpa_printf(MSG_INFO, "Invalid conc_pref value");
4193 return -1;
4194 }
4195 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4196 "%s", param);
4197 return 0;
4198 }
4199
4200 if (os_strcmp(cmd, "force_long_sd") == 0) {
4201 wpa_s->force_long_sd = atoi(param);
4202 return 0;
4203 }
4204
4205 if (os_strcmp(cmd, "peer_filter") == 0) {
4206 u8 addr[ETH_ALEN];
4207 if (hwaddr_aton(param, addr))
4208 return -1;
4209 p2p_set_peer_filter(wpa_s->global->p2p, addr);
4210 return 0;
4211 }
4212
4213 if (os_strcmp(cmd, "cross_connect") == 0)
4214 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4215
4216 if (os_strcmp(cmd, "go_apsd") == 0) {
4217 if (os_strcmp(param, "disable") == 0)
4218 wpa_s->set_ap_uapsd = 0;
4219 else {
4220 wpa_s->set_ap_uapsd = 1;
4221 wpa_s->ap_uapsd = atoi(param);
4222 }
4223 return 0;
4224 }
4225
4226 if (os_strcmp(cmd, "client_apsd") == 0) {
4227 if (os_strcmp(param, "disable") == 0)
4228 wpa_s->set_sta_uapsd = 0;
4229 else {
4230 int be, bk, vi, vo;
4231 char *pos;
4232 /* format: BE,BK,VI,VO;max SP Length */
4233 be = atoi(param);
4234 pos = os_strchr(param, ',');
4235 if (pos == NULL)
4236 return -1;
4237 pos++;
4238 bk = atoi(pos);
4239 pos = os_strchr(pos, ',');
4240 if (pos == NULL)
4241 return -1;
4242 pos++;
4243 vi = atoi(pos);
4244 pos = os_strchr(pos, ',');
4245 if (pos == NULL)
4246 return -1;
4247 pos++;
4248 vo = atoi(pos);
4249 /* ignore max SP Length for now */
4250
4251 wpa_s->set_sta_uapsd = 1;
4252 wpa_s->sta_uapsd = 0;
4253 if (be)
4254 wpa_s->sta_uapsd |= BIT(0);
4255 if (bk)
4256 wpa_s->sta_uapsd |= BIT(1);
4257 if (vi)
4258 wpa_s->sta_uapsd |= BIT(2);
4259 if (vo)
4260 wpa_s->sta_uapsd |= BIT(3);
4261 }
4262 return 0;
4263 }
4264
4265 if (os_strcmp(cmd, "disallow_freq") == 0)
4266 return p2p_ctrl_disallow_freq(wpa_s, param);
4267
4268 if (os_strcmp(cmd, "disc_int") == 0) {
4269 int min_disc_int, max_disc_int, max_disc_tu;
4270 char *pos;
4271
4272 pos = param;
4273
4274 min_disc_int = atoi(pos);
4275 pos = os_strchr(pos, ' ');
4276 if (pos == NULL)
4277 return -1;
4278 *pos++ = '\0';
4279
4280 max_disc_int = atoi(pos);
4281 pos = os_strchr(pos, ' ');
4282 if (pos == NULL)
4283 return -1;
4284 *pos++ = '\0';
4285
4286 max_disc_tu = atoi(pos);
4287
4288 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
4289 max_disc_int, max_disc_tu);
4290 }
4291
4292 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
4293 cmd);
4294
4295 return -1;
4296 }
4297
4298
4299 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
4300 {
4301 char *pos, *pos2;
4302 unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
4303
4304 if (cmd[0]) {
4305 pos = os_strchr(cmd, ' ');
4306 if (pos == NULL)
4307 return -1;
4308 *pos++ = '\0';
4309 dur1 = atoi(cmd);
4310
4311 pos2 = os_strchr(pos, ' ');
4312 if (pos2)
4313 *pos2++ = '\0';
4314 int1 = atoi(pos);
4315 } else
4316 pos2 = NULL;
4317
4318 if (pos2) {
4319 pos = os_strchr(pos2, ' ');
4320 if (pos == NULL)
4321 return -1;
4322 *pos++ = '\0';
4323 dur2 = atoi(pos2);
4324 int2 = atoi(pos);
4325 }
4326
4327 return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
4328 }
4329
4330
4331 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
4332 {
4333 char *pos;
4334 unsigned int period = 0, interval = 0;
4335
4336 if (cmd[0]) {
4337 pos = os_strchr(cmd, ' ');
4338 if (pos == NULL)
4339 return -1;
4340 *pos++ = '\0';
4341 period = atoi(cmd);
4342 interval = atoi(pos);
4343 }
4344
4345 return wpas_p2p_ext_listen(wpa_s, period, interval);
4346 }
4347
4348 #endif /* CONFIG_P2P */
4349
4350
4351 #ifdef CONFIG_INTERWORKING
4352 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
4353 {
4354 u8 bssid[ETH_ALEN];
4355 struct wpa_bss *bss;
4356
4357 if (hwaddr_aton(dst, bssid)) {
4358 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
4359 return -1;
4360 }
4361
4362 bss = wpa_bss_get_bssid(wpa_s, bssid);
4363 if (bss == NULL) {
4364 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
4365 MAC2STR(bssid));
4366 return -1;
4367 }
4368
4369 return interworking_connect(wpa_s, bss);
4370 }
4371
4372
4373 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
4374 {
4375 u8 dst_addr[ETH_ALEN];
4376 int used;
4377 char *pos;
4378 #define MAX_ANQP_INFO_ID 100
4379 u16 id[MAX_ANQP_INFO_ID];
4380 size_t num_id = 0;
4381
4382 used = hwaddr_aton2(dst, dst_addr);
4383 if (used < 0)
4384 return -1;
4385 pos = dst + used;
4386 while (num_id < MAX_ANQP_INFO_ID) {
4387 id[num_id] = atoi(pos);
4388 if (id[num_id])
4389 num_id++;
4390 pos = os_strchr(pos + 1, ',');
4391 if (pos == NULL)
4392 break;
4393 pos++;
4394 }
4395
4396 if (num_id == 0)
4397 return -1;
4398
4399 return anqp_send_req(wpa_s, dst_addr, id, num_id);
4400 }
4401
4402
4403 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
4404 {
4405 u8 dst_addr[ETH_ALEN];
4406 struct wpabuf *advproto, *query = NULL;
4407 int used, ret = -1;
4408 char *pos, *end;
4409 size_t len;
4410
4411 used = hwaddr_aton2(cmd, dst_addr);
4412 if (used < 0)
4413 return -1;
4414
4415 pos = cmd + used;
4416 while (*pos == ' ')
4417 pos++;
4418
4419 /* Advertisement Protocol ID */
4420 end = os_strchr(pos, ' ');
4421 if (end)
4422 len = end - pos;
4423 else
4424 len = os_strlen(pos);
4425 if (len & 0x01)
4426 return -1;
4427 len /= 2;
4428 if (len == 0)
4429 return -1;
4430 advproto = wpabuf_alloc(len);
4431 if (advproto == NULL)
4432 return -1;
4433 if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
4434 goto fail;
4435
4436 if (end) {
4437 /* Optional Query Request */
4438 pos = end + 1;
4439 while (*pos == ' ')
4440 pos++;
4441
4442 len = os_strlen(pos);
4443 if (len) {
4444 if (len & 0x01)
4445 goto fail;
4446 len /= 2;
4447 if (len == 0)
4448 goto fail;
4449 query = wpabuf_alloc(len);
4450 if (query == NULL)
4451 goto fail;
4452 if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
4453 goto fail;
4454 }
4455 }
4456
4457 ret = gas_send_request(wpa_s, dst_addr, advproto, query);
4458
4459 fail:
4460 wpabuf_free(advproto);
4461 wpabuf_free(query);
4462
4463 return ret;
4464 }
4465
4466
4467 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
4468 size_t buflen)
4469 {
4470 u8 addr[ETH_ALEN];
4471 int dialog_token;
4472 int used;
4473 char *pos;
4474 size_t resp_len, start, requested_len;
4475
4476 if (!wpa_s->last_gas_resp)
4477 return -1;
4478
4479 used = hwaddr_aton2(cmd, addr);
4480 if (used < 0)
4481 return -1;
4482
4483 pos = cmd + used;
4484 while (*pos == ' ')
4485 pos++;
4486 dialog_token = atoi(pos);
4487
4488 if (os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) != 0 ||
4489 dialog_token != wpa_s->last_gas_dialog_token)
4490 return -1;
4491
4492 resp_len = wpabuf_len(wpa_s->last_gas_resp);
4493 start = 0;
4494 requested_len = resp_len;
4495
4496 pos = os_strchr(pos, ' ');
4497 if (pos) {
4498 start = atoi(pos);
4499 if (start > resp_len)
4500 return os_snprintf(buf, buflen, "FAIL-Invalid range");
4501 pos = os_strchr(pos, ',');
4502 if (pos == NULL)
4503 return -1;
4504 pos++;
4505 requested_len = atoi(pos);
4506 if (start + requested_len > resp_len)
4507 return os_snprintf(buf, buflen, "FAIL-Invalid range");
4508 }
4509
4510 if (requested_len * 2 + 1 > buflen)
4511 return os_snprintf(buf, buflen, "FAIL-Too long response");
4512
4513 return wpa_snprintf_hex(buf, buflen,
4514 wpabuf_head_u8(wpa_s->last_gas_resp) + start,
4515 requested_len);
4516 }
4517 #endif /* CONFIG_INTERWORKING */
4518
4519
4520 #ifdef CONFIG_HS20
4521
4522 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
4523 {
4524 u8 dst_addr[ETH_ALEN];
4525 int used;
4526 char *pos;
4527 u32 subtypes = 0;
4528
4529 used = hwaddr_aton2(dst, dst_addr);
4530 if (used < 0)
4531 return -1;
4532 pos = dst + used;
4533 for (;;) {
4534 int num = atoi(pos);
4535 if (num <= 0 || num > 31)
4536 return -1;
4537 subtypes |= BIT(num);
4538 pos = os_strchr(pos + 1, ',');
4539 if (pos == NULL)
4540 break;
4541 pos++;
4542 }
4543
4544 if (subtypes == 0)
4545 return -1;
4546
4547 return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
4548 }
4549
4550
4551 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4552 const u8 *addr, const char *realm)
4553 {
4554 u8 *buf;
4555 size_t rlen, len;
4556 int ret;
4557
4558 rlen = os_strlen(realm);
4559 len = 3 + rlen;
4560 buf = os_malloc(len);
4561 if (buf == NULL)
4562 return -1;
4563 buf[0] = 1; /* NAI Home Realm Count */
4564 buf[1] = 0; /* Formatted in accordance with RFC 4282 */
4565 buf[2] = rlen;
4566 os_memcpy(buf + 3, realm, rlen);
4567
4568 ret = hs20_anqp_send_req(wpa_s, addr,
4569 BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4570 buf, len);
4571
4572 os_free(buf);
4573
4574 return ret;
4575 }
4576
4577
4578 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4579 char *dst)
4580 {
4581 struct wpa_cred *cred = wpa_s->conf->cred;
4582 u8 dst_addr[ETH_ALEN];
4583 int used;
4584 u8 *buf;
4585 size_t len;
4586 int ret;
4587
4588 used = hwaddr_aton2(dst, dst_addr);
4589 if (used < 0)
4590 return -1;
4591
4592 while (dst[used] == ' ')
4593 used++;
4594 if (os_strncmp(dst + used, "realm=", 6) == 0)
4595 return hs20_nai_home_realm_list(wpa_s, dst_addr,
4596 dst + used + 6);
4597
4598 len = os_strlen(dst + used);
4599
4600 if (len == 0 && cred && cred->realm)
4601 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
4602
4603 if (len % 1)
4604 return -1;
4605 len /= 2;
4606 buf = os_malloc(len);
4607 if (buf == NULL)
4608 return -1;
4609 if (hexstr2bin(dst + used, buf, len) < 0) {
4610 os_free(buf);
4611 return -1;
4612 }
4613
4614 ret = hs20_anqp_send_req(wpa_s, dst_addr,
4615 BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4616 buf, len);
4617 os_free(buf);
4618
4619 return ret;
4620 }
4621
4622 #endif /* CONFIG_HS20 */
4623
4624
4625 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
4626 struct wpa_supplicant *wpa_s, char *cmd)
4627 {
4628 wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
4629 return 0;
4630 }
4631
4632
4633 #ifdef CONFIG_AUTOSCAN
4634
4635 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
4636 char *cmd)
4637 {
4638 enum wpa_states state = wpa_s->wpa_state;
4639 char *new_params = NULL;
4640
4641 if (os_strlen(cmd) > 0) {
4642 new_params = os_strdup(cmd);
4643 if (new_params == NULL)
4644 return -1;
4645 }
4646
4647 os_free(wpa_s->conf->autoscan);
4648 wpa_s->conf->autoscan = new_params;
4649
4650 if (wpa_s->conf->autoscan == NULL)
4651 autoscan_deinit(wpa_s);
4652 else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
4653 autoscan_init(wpa_s, 1);
4654 else if (state == WPA_SCANNING)
4655 wpa_supplicant_reinit_autoscan(wpa_s);
4656
4657 return 0;
4658 }
4659
4660 #endif /* CONFIG_AUTOSCAN */
4661
4662
4663 #ifdef CONFIG_WNM
4664
4665 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
4666 {
4667 int enter;
4668 int intval = 0;
4669 char *pos;
4670 int ret;
4671 struct wpabuf *tfs_req = NULL;
4672
4673 if (os_strncmp(cmd, "enter", 5) == 0)
4674 enter = 1;
4675 else if (os_strncmp(cmd, "exit", 4) == 0)
4676 enter = 0;
4677 else
4678 return -1;
4679
4680 pos = os_strstr(cmd, " interval=");
4681 if (pos)
4682 intval = atoi(pos + 10);
4683
4684 pos = os_strstr(cmd, " tfs_req=");
4685 if (pos) {
4686 char *end;
4687 size_t len;
4688 pos += 9;
4689 end = os_strchr(pos, ' ');
4690 if (end)
4691 len = end - pos;
4692 else
4693 len = os_strlen(pos);
4694 if (len & 1)
4695 return -1;
4696 len /= 2;
4697 tfs_req = wpabuf_alloc(len);
4698 if (tfs_req == NULL)
4699 return -1;
4700 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
4701 wpabuf_free(tfs_req);
4702 return -1;
4703 }
4704 }
4705
4706 ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
4707 WNM_SLEEP_MODE_EXIT, intval,
4708 tfs_req);
4709 wpabuf_free(tfs_req);
4710
4711 return ret;
4712 }
4713
4714 #endif /* CONFIG_WNM */
4715
4716
4717 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
4718 size_t buflen)
4719 {
4720 struct wpa_signal_info si;
4721 int ret;
4722
4723 ret = wpa_drv_signal_poll(wpa_s, &si);
4724 if (ret)
4725 return -1;
4726
4727 ret = os_snprintf(buf, buflen, "RSSI=%d\nLINKSPEED=%d\n"
4728 "NOISE=%d\nFREQUENCY=%u\n",
4729 si.current_signal, si.current_txrate / 1000,
4730 si.current_noise, si.frequency);
4731 if (ret < 0 || (unsigned int) ret > buflen)
4732 return -1;
4733 return ret;
4734 }
4735
4736
4737 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
4738 size_t buflen)
4739 {
4740 struct hostap_sta_driver_data sta;
4741 int ret;
4742
4743 ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
4744 if (ret)
4745 return -1;
4746
4747 ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
4748 sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
4749 if (ret < 0 || (size_t) ret > buflen)
4750 return -1;
4751 return ret;
4752 }
4753
4754
4755 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
4756 char *buf, size_t *resp_len)
4757 {
4758 char *reply;
4759 const int reply_size = 4096;
4760 int ctrl_rsp = 0;
4761 int reply_len;
4762
4763 if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
4764 os_strncmp(buf, "SET_NETWORK ", 12) == 0 ||
4765 os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
4766 os_strncmp(buf, "NFC_RX_HANDOVER_SEL", 19) == 0) {
4767 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
4768 (const u8 *) buf, os_strlen(buf));
4769 } else {
4770 int level = MSG_DEBUG;
4771 if (os_strcmp(buf, "PING") == 0)
4772 level = MSG_EXCESSIVE;
4773 wpa_hexdump_ascii(level, "RX ctrl_iface",
4774 (const u8 *) buf, os_strlen(buf));
4775 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
4776 }
4777
4778 reply = os_malloc(reply_size);
4779 if (reply == NULL) {
4780 *resp_len = 1;
4781 return NULL;
4782 }
4783
4784 os_memcpy(reply, "OK\n", 3);
4785 reply_len = 3;
4786
4787 if (os_strcmp(buf, "PING") == 0) {
4788 os_memcpy(reply, "PONG\n", 5);
4789 reply_len = 5;
4790 } else if (os_strcmp(buf, "IFNAME") == 0) {
4791 reply_len = os_strlen(wpa_s->ifname);
4792 os_memcpy(reply, wpa_s->ifname, reply_len);
4793 } else if (os_strncmp(buf, "RELOG", 5) == 0) {
4794 if (wpa_debug_reopen_file() < 0)
4795 reply_len = -1;
4796 } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
4797 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
4798 } else if (os_strcmp(buf, "MIB") == 0) {
4799 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
4800 if (reply_len >= 0) {
4801 int res;
4802 res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
4803 reply_size - reply_len);
4804 if (res < 0)
4805 reply_len = -1;
4806 else
4807 reply_len += res;
4808 }
4809 } else if (os_strncmp(buf, "STATUS", 6) == 0) {
4810 reply_len = wpa_supplicant_ctrl_iface_status(
4811 wpa_s, buf + 6, reply, reply_size);
4812 } else if (os_strcmp(buf, "PMKSA") == 0) {
4813 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
4814 reply_size);
4815 } else if (os_strncmp(buf, "SET ", 4) == 0) {
4816 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
4817 reply_len = -1;
4818 } else if (os_strncmp(buf, "GET ", 4) == 0) {
4819 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
4820 reply, reply_size);
4821 } else if (os_strcmp(buf, "LOGON") == 0) {
4822 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
4823 } else if (os_strcmp(buf, "LOGOFF") == 0) {
4824 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
4825 } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
4826 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4827 reply_len = -1;
4828 else
4829 wpas_request_connection(wpa_s);
4830 } else if (os_strcmp(buf, "RECONNECT") == 0) {
4831 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4832 reply_len = -1;
4833 else if (wpa_s->disconnected)
4834 wpas_request_connection(wpa_s);
4835 #ifdef IEEE8021X_EAPOL
4836 } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
4837 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
4838 reply_len = -1;
4839 #endif /* IEEE8021X_EAPOL */
4840 #ifdef CONFIG_PEERKEY
4841 } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
4842 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
4843 reply_len = -1;
4844 #endif /* CONFIG_PEERKEY */
4845 #ifdef CONFIG_IEEE80211R
4846 } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
4847 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
4848 reply_len = -1;
4849 #endif /* CONFIG_IEEE80211R */
4850 #ifdef CONFIG_WPS
4851 } else if (os_strcmp(buf, "WPS_PBC") == 0) {
4852 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
4853 if (res == -2) {
4854 os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4855 reply_len = 17;
4856 } else if (res)
4857 reply_len = -1;
4858 } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
4859 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
4860 if (res == -2) {
4861 os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4862 reply_len = 17;
4863 } else if (res)
4864 reply_len = -1;
4865 } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
4866 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
4867 reply,
4868 reply_size);
4869 } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
4870 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
4871 wpa_s, buf + 14, reply, reply_size);
4872 } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
4873 if (wpas_wps_cancel(wpa_s))
4874 reply_len = -1;
4875 #ifdef CONFIG_WPS_NFC
4876 } else if (os_strcmp(buf, "WPS_NFC") == 0) {
4877 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
4878 reply_len = -1;
4879 } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
4880 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
4881 reply_len = -1;
4882 } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
4883 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
4884 wpa_s, buf + 14, reply, reply_size);
4885 } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
4886 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
4887 buf + 17))
4888 reply_len = -1;
4889 } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
4890 reply_len = wpas_ctrl_nfc_get_handover_req(
4891 wpa_s, buf + 21, reply, reply_size);
4892 } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
4893 reply_len = wpas_ctrl_nfc_get_handover_sel(
4894 wpa_s, buf + 21, reply, reply_size);
4895 } else if (os_strncmp(buf, "NFC_RX_HANDOVER_REQ ", 20) == 0) {
4896 reply_len = wpas_ctrl_nfc_rx_handover_req(
4897 wpa_s, buf + 20, reply, reply_size);
4898 } else if (os_strncmp(buf, "NFC_RX_HANDOVER_SEL ", 20) == 0) {
4899 if (wpas_ctrl_nfc_rx_handover_sel(wpa_s, buf + 20))
4900 reply_len = -1;
4901 #endif /* CONFIG_WPS_NFC */
4902 } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
4903 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
4904 reply_len = -1;
4905 #ifdef CONFIG_AP
4906 } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
4907 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
4908 wpa_s, buf + 11, reply, reply_size);
4909 #endif /* CONFIG_AP */
4910 #ifdef CONFIG_WPS_ER
4911 } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
4912 if (wpas_wps_er_start(wpa_s, NULL))
4913 reply_len = -1;
4914 } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
4915 if (wpas_wps_er_start(wpa_s, buf + 13))
4916 reply_len = -1;
4917 } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
4918 if (wpas_wps_er_stop(wpa_s))
4919 reply_len = -1;
4920 } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
4921 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
4922 reply_len = -1;
4923 } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
4924 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
4925 if (ret == -2) {
4926 os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4927 reply_len = 17;
4928 } else if (ret == -3) {
4929 os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
4930 reply_len = 18;
4931 } else if (ret == -4) {
4932 os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
4933 reply_len = 20;
4934 } else if (ret)
4935 reply_len = -1;
4936 } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
4937 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
4938 reply_len = -1;
4939 } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
4940 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
4941 buf + 18))
4942 reply_len = -1;
4943 } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
4944 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
4945 reply_len = -1;
4946 #ifdef CONFIG_WPS_NFC
4947 } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
4948 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
4949 wpa_s, buf + 24, reply, reply_size);
4950 #endif /* CONFIG_WPS_NFC */
4951 #endif /* CONFIG_WPS_ER */
4952 #endif /* CONFIG_WPS */
4953 #ifdef CONFIG_IBSS_RSN
4954 } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
4955 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
4956 reply_len = -1;
4957 #endif /* CONFIG_IBSS_RSN */
4958 #ifdef CONFIG_P2P
4959 } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
4960 if (p2p_ctrl_find(wpa_s, buf + 9))
4961 reply_len = -1;
4962 } else if (os_strcmp(buf, "P2P_FIND") == 0) {
4963 if (p2p_ctrl_find(wpa_s, ""))
4964 reply_len = -1;
4965 } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
4966 wpas_p2p_stop_find(wpa_s);
4967 } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
4968 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
4969 reply_size);
4970 } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
4971 if (p2p_ctrl_listen(wpa_s, buf + 11))
4972 reply_len = -1;
4973 } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
4974 if (p2p_ctrl_listen(wpa_s, ""))
4975 reply_len = -1;
4976 } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
4977 if (wpas_p2p_group_remove(wpa_s, buf + 17))
4978 reply_len = -1;
4979 } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
4980 if (wpas_p2p_group_add(wpa_s, 0, 0, 0))
4981 reply_len = -1;
4982 } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
4983 if (p2p_ctrl_group_add(wpa_s, buf + 14))
4984 reply_len = -1;
4985 } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
4986 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
4987 reply_len = -1;
4988 } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
4989 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
4990 } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
4991 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
4992 reply_size);
4993 } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
4994 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
4995 reply_len = -1;
4996 } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
4997 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
4998 reply_len = -1;
4999 } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
5000 wpas_p2p_sd_service_update(wpa_s);
5001 } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
5002 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
5003 reply_len = -1;
5004 } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
5005 wpas_p2p_service_flush(wpa_s);
5006 } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
5007 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
5008 reply_len = -1;
5009 } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
5010 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
5011 reply_len = -1;
5012 } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
5013 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
5014 reply_len = -1;
5015 } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
5016 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
5017 reply_len = -1;
5018 } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
5019 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
5020 reply_size);
5021 } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
5022 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
5023 reply_len = -1;
5024 } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
5025 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5026 wpa_s->force_long_sd = 0;
5027 if (wpa_s->global->p2p)
5028 p2p_flush(wpa_s->global->p2p);
5029 } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
5030 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
5031 reply_len = -1;
5032 } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
5033 if (wpas_p2p_cancel(wpa_s))
5034 reply_len = -1;
5035 } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
5036 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
5037 reply_len = -1;
5038 } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
5039 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
5040 reply_len = -1;
5041 } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
5042 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
5043 reply_len = -1;
5044 } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
5045 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
5046 reply_len = -1;
5047 #endif /* CONFIG_P2P */
5048 #ifdef CONFIG_WIFI_DISPLAY
5049 } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
5050 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
5051 reply_len = -1;
5052 } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
5053 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
5054 reply, reply_size);
5055 #endif /* CONFIG_WIFI_DISPLAY */
5056 #ifdef CONFIG_INTERWORKING
5057 } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
5058 if (interworking_fetch_anqp(wpa_s) < 0)
5059 reply_len = -1;
5060 } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
5061 interworking_stop_fetch_anqp(wpa_s);
5062 } else if (os_strncmp(buf, "INTERWORKING_SELECT", 19) == 0) {
5063 if (interworking_select(wpa_s, os_strstr(buf + 19, "auto") !=
5064 NULL) < 0)
5065 reply_len = -1;
5066 } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
5067 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
5068 reply_len = -1;
5069 } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
5070 if (get_anqp(wpa_s, buf + 9) < 0)
5071 reply_len = -1;
5072 } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
5073 if (gas_request(wpa_s, buf + 12) < 0)
5074 reply_len = -1;
5075 } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
5076 reply_len = gas_response_get(wpa_s, buf + 17, reply,
5077 reply_size);
5078 #endif /* CONFIG_INTERWORKING */
5079 #ifdef CONFIG_HS20
5080 } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
5081 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
5082 reply_len = -1;
5083 } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
5084 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
5085 reply_len = -1;
5086 #endif /* CONFIG_HS20 */
5087 } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
5088 {
5089 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
5090 wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
5091 reply_len = -1;
5092 else
5093 ctrl_rsp = 1;
5094 } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
5095 if (wpa_supplicant_reload_configuration(wpa_s))
5096 reply_len = -1;
5097 } else if (os_strcmp(buf, "TERMINATE") == 0) {
5098 wpa_supplicant_terminate_proc(wpa_s->global);
5099 } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
5100 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
5101 reply_len = -1;
5102 } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
5103 reply_len = wpa_supplicant_ctrl_iface_blacklist(
5104 wpa_s, buf + 9, reply, reply_size);
5105 } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
5106 reply_len = wpa_supplicant_ctrl_iface_log_level(
5107 wpa_s, buf + 9, reply, reply_size);
5108 } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
5109 reply_len = wpa_supplicant_ctrl_iface_list_networks(
5110 wpa_s, reply, reply_size);
5111 } else if (os_strcmp(buf, "DISCONNECT") == 0) {
5112 #ifdef CONFIG_SME
5113 wpa_s->sme.prev_bssid_set = 0;
5114 #endif /* CONFIG_SME */
5115 wpa_s->reassociate = 0;
5116 wpa_s->disconnected = 1;
5117 wpa_supplicant_cancel_sched_scan(wpa_s);
5118 wpa_supplicant_cancel_scan(wpa_s);
5119 wpa_supplicant_deauthenticate(wpa_s,
5120 WLAN_REASON_DEAUTH_LEAVING);
5121 } else if (os_strcmp(buf, "SCAN") == 0) {
5122 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5123 reply_len = -1;
5124 else {
5125 if (!wpa_s->sched_scanning && !wpa_s->scanning &&
5126 ((wpa_s->wpa_state <= WPA_SCANNING) ||
5127 (wpa_s->wpa_state == WPA_COMPLETED))) {
5128 wpa_s->normal_scans = 0;
5129 wpa_s->scan_req = MANUAL_SCAN_REQ;
5130 wpa_supplicant_req_scan(wpa_s, 0, 0);
5131 } else if (wpa_s->sched_scanning) {
5132 wpa_printf(MSG_DEBUG, "Stop ongoing "
5133 "sched_scan to allow requested "
5134 "full scan to proceed");
5135 wpa_supplicant_cancel_sched_scan(wpa_s);
5136 wpa_s->scan_req = MANUAL_SCAN_REQ;
5137 wpa_supplicant_req_scan(wpa_s, 0, 0);
5138 } else {
5139 wpa_printf(MSG_DEBUG, "Ongoing scan action - "
5140 "reject new request");
5141 reply_len = os_snprintf(reply, reply_size,
5142 "FAIL-BUSY\n");
5143 }
5144 }
5145 } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
5146 reply_len = wpa_supplicant_ctrl_iface_scan_results(
5147 wpa_s, reply, reply_size);
5148 } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
5149 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
5150 reply_len = -1;
5151 } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
5152 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
5153 reply_len = -1;
5154 } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
5155 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
5156 reply_len = -1;
5157 } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
5158 reply_len = wpa_supplicant_ctrl_iface_add_network(
5159 wpa_s, reply, reply_size);
5160 } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
5161 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
5162 reply_len = -1;
5163 } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
5164 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
5165 reply_len = -1;
5166 } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
5167 reply_len = wpa_supplicant_ctrl_iface_get_network(
5168 wpa_s, buf + 12, reply, reply_size);
5169 } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
5170 reply_len = wpa_supplicant_ctrl_iface_list_creds(
5171 wpa_s, reply, reply_size);
5172 } else if (os_strcmp(buf, "ADD_CRED") == 0) {
5173 reply_len = wpa_supplicant_ctrl_iface_add_cred(
5174 wpa_s, reply, reply_size);
5175 } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
5176 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
5177 reply_len = -1;
5178 } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
5179 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
5180 reply_len = -1;
5181 #ifndef CONFIG_NO_CONFIG_WRITE
5182 } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
5183 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
5184 reply_len = -1;
5185 #endif /* CONFIG_NO_CONFIG_WRITE */
5186 } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
5187 reply_len = wpa_supplicant_ctrl_iface_get_capability(
5188 wpa_s, buf + 15, reply, reply_size);
5189 } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
5190 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
5191 reply_len = -1;
5192 } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
5193 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
5194 reply_len = -1;
5195 } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5196 reply_len = wpa_supplicant_global_iface_list(
5197 wpa_s->global, reply, reply_size);
5198 } else if (os_strcmp(buf, "INTERFACES") == 0) {
5199 reply_len = wpa_supplicant_global_iface_interfaces(
5200 wpa_s->global, reply, reply_size);
5201 } else if (os_strncmp(buf, "BSS ", 4) == 0) {
5202 reply_len = wpa_supplicant_ctrl_iface_bss(
5203 wpa_s, buf + 4, reply, reply_size);
5204 #ifdef CONFIG_AP
5205 } else if (os_strcmp(buf, "STA-FIRST") == 0) {
5206 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
5207 } else if (os_strncmp(buf, "STA ", 4) == 0) {
5208 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
5209 reply_size);
5210 } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
5211 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
5212 reply_size);
5213 } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
5214 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
5215 reply_len = -1;
5216 } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
5217 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
5218 reply_len = -1;
5219 #endif /* CONFIG_AP */
5220 } else if (os_strcmp(buf, "SUSPEND") == 0) {
5221 wpas_notify_suspend(wpa_s->global);
5222 } else if (os_strcmp(buf, "RESUME") == 0) {
5223 wpas_notify_resume(wpa_s->global);
5224 } else if (os_strcmp(buf, "DROP_SA") == 0) {
5225 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
5226 } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
5227 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
5228 reply_len = -1;
5229 } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
5230 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
5231 reply_len = -1;
5232 } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
5233 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
5234 reply_len = -1;
5235 } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
5236 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
5237 buf + 17))
5238 reply_len = -1;
5239 } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
5240 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
5241 reply_len = -1;
5242 #ifdef CONFIG_TDLS
5243 } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
5244 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
5245 reply_len = -1;
5246 } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
5247 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
5248 reply_len = -1;
5249 } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
5250 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
5251 reply_len = -1;
5252 #endif /* CONFIG_TDLS */
5253 } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
5254 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
5255 reply_size);
5256 } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
5257 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
5258 reply_size);
5259 #ifdef CONFIG_AUTOSCAN
5260 } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
5261 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
5262 reply_len = -1;
5263 #endif /* CONFIG_AUTOSCAN */
5264 } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
5265 pmksa_cache_clear_current(wpa_s->wpa);
5266 eapol_sm_request_reauth(wpa_s->eapol);
5267 #ifdef CONFIG_WNM
5268 } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
5269 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
5270 reply_len = -1;
5271 #endif /* CONFIG_WNM */
5272 } else {
5273 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5274 reply_len = 16;
5275 }
5276
5277 if (reply_len < 0) {
5278 os_memcpy(reply, "FAIL\n", 5);
5279 reply_len = 5;
5280 }
5281
5282 if (ctrl_rsp)
5283 eapol_sm_notify_ctrl_response(wpa_s->eapol);
5284
5285 *resp_len = reply_len;
5286 return reply;
5287 }
5288
5289
5290 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
5291 char *cmd)
5292 {
5293 struct wpa_interface iface;
5294 char *pos;
5295
5296 /*
5297 * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
5298 * TAB<bridge_ifname>
5299 */
5300 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
5301
5302 os_memset(&iface, 0, sizeof(iface));
5303
5304 do {
5305 iface.ifname = pos = cmd;
5306 pos = os_strchr(pos, '\t');
5307 if (pos)
5308 *pos++ = '\0';
5309 if (iface.ifname[0] == '\0')
5310 return -1;
5311 if (pos == NULL)
5312 break;
5313
5314 iface.confname = pos;
5315 pos = os_strchr(pos, '\t');
5316 if (pos)
5317 *pos++ = '\0';
5318 if (iface.confname[0] == '\0')
5319 iface.confname = NULL;
5320 if (pos == NULL)
5321 break;
5322
5323 iface.driver = pos;
5324 pos = os_strchr(pos, '\t');
5325 if (pos)
5326 *pos++ = '\0';
5327 if (iface.driver[0] == '\0')
5328 iface.driver = NULL;
5329 if (pos == NULL)
5330 break;
5331
5332 iface.ctrl_interface = pos;
5333 pos = os_strchr(pos, '\t');
5334 if (pos)
5335 *pos++ = '\0';
5336 if (iface.ctrl_interface[0] == '\0')
5337 iface.ctrl_interface = NULL;
5338 if (pos == NULL)
5339 break;
5340
5341 iface.driver_param = pos;
5342 pos = os_strchr(pos, '\t');
5343 if (pos)
5344 *pos++ = '\0';
5345 if (iface.driver_param[0] == '\0')
5346 iface.driver_param = NULL;
5347 if (pos == NULL)
5348 break;
5349
5350 iface.bridge_ifname = pos;
5351 pos = os_strchr(pos, '\t');
5352 if (pos)
5353 *pos++ = '\0';
5354 if (iface.bridge_ifname[0] == '\0')
5355 iface.bridge_ifname = NULL;
5356 if (pos == NULL)
5357 break;
5358 } while (0);
5359
5360 if (wpa_supplicant_get_iface(global, iface.ifname))
5361 return -1;
5362
5363 return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
5364 }
5365
5366
5367 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
5368 char *cmd)
5369 {
5370 struct wpa_supplicant *wpa_s;
5371
5372 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
5373
5374 wpa_s = wpa_supplicant_get_iface(global, cmd);
5375 if (wpa_s == NULL)
5376 return -1;
5377 return wpa_supplicant_remove_iface(global, wpa_s, 0);
5378 }
5379
5380
5381 static void wpa_free_iface_info(struct wpa_interface_info *iface)
5382 {
5383 struct wpa_interface_info *prev;
5384
5385 while (iface) {
5386 prev = iface;
5387 iface = iface->next;
5388
5389 os_free(prev->ifname);
5390 os_free(prev->desc);
5391 os_free(prev);
5392 }
5393 }
5394
5395
5396 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
5397 char *buf, int len)
5398 {
5399 int i, res;
5400 struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
5401 char *pos, *end;
5402
5403 for (i = 0; wpa_drivers[i]; i++) {
5404 struct wpa_driver_ops *drv = wpa_drivers[i];
5405 if (drv->get_interfaces == NULL)
5406 continue;
5407 tmp = drv->get_interfaces(global->drv_priv[i]);
5408 if (tmp == NULL)
5409 continue;
5410
5411 if (last == NULL)
5412 iface = last = tmp;
5413 else
5414 last->next = tmp;
5415 while (last->next)
5416 last = last->next;
5417 }
5418
5419 pos = buf;
5420 end = buf + len;
5421 for (tmp = iface; tmp; tmp = tmp->next) {
5422 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
5423 tmp->drv_name, tmp->ifname,
5424 tmp->desc ? tmp->desc : "");
5425 if (res < 0 || res >= end - pos) {
5426 *pos = '\0';
5427 break;
5428 }
5429 pos += res;
5430 }
5431
5432 wpa_free_iface_info(iface);
5433
5434 return pos - buf;
5435 }
5436
5437
5438 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
5439 char *buf, int len)
5440 {
5441 int res;
5442 char *pos, *end;
5443 struct wpa_supplicant *wpa_s;
5444
5445 wpa_s = global->ifaces;
5446 pos = buf;
5447 end = buf + len;
5448
5449 while (wpa_s) {
5450 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
5451 if (res < 0 || res >= end - pos) {
5452 *pos = '\0';
5453 break;
5454 }
5455 pos += res;
5456 wpa_s = wpa_s->next;
5457 }
5458 return pos - buf;
5459 }
5460
5461
5462 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
5463 char *buf, size_t *resp_len)
5464 {
5465 char *reply;
5466 const int reply_size = 2048;
5467 int reply_len;
5468 int level = MSG_DEBUG;
5469
5470 if (os_strcmp(buf, "PING") == 0)
5471 level = MSG_EXCESSIVE;
5472 wpa_hexdump_ascii(level, "RX global ctrl_iface",
5473 (const u8 *) buf, os_strlen(buf));
5474
5475 reply = os_malloc(reply_size);
5476 if (reply == NULL) {
5477 *resp_len = 1;
5478 return NULL;
5479 }
5480
5481 os_memcpy(reply, "OK\n", 3);
5482 reply_len = 3;
5483
5484 if (os_strcmp(buf, "PING") == 0) {
5485 os_memcpy(reply, "PONG\n", 5);
5486 reply_len = 5;
5487 } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
5488 if (wpa_supplicant_global_iface_add(global, buf + 14))
5489 reply_len = -1;
5490 } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
5491 if (wpa_supplicant_global_iface_remove(global, buf + 17))
5492 reply_len = -1;
5493 } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5494 reply_len = wpa_supplicant_global_iface_list(
5495 global, reply, reply_size);
5496 } else if (os_strcmp(buf, "INTERFACES") == 0) {
5497 reply_len = wpa_supplicant_global_iface_interfaces(
5498 global, reply, reply_size);
5499 } else if (os_strcmp(buf, "TERMINATE") == 0) {
5500 wpa_supplicant_terminate_proc(global);
5501 } else if (os_strcmp(buf, "SUSPEND") == 0) {
5502 wpas_notify_suspend(global);
5503 } else if (os_strcmp(buf, "RESUME") == 0) {
5504 wpas_notify_resume(global);
5505 } else {
5506 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5507 reply_len = 16;
5508 }
5509
5510 if (reply_len < 0) {
5511 os_memcpy(reply, "FAIL\n", 5);
5512 reply_len = 5;
5513 }
5514
5515 *resp_len = reply_len;
5516 return reply;
5517 }