1 /*
2 * WPA Supplicant / Control interface (shared code for all backends)
3 * Copyright (c) 2004-2012, Jouni Malinen <j@w1.fi>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9 #include "utils/includes.h"
10
11 #include "utils/common.h"
12 #include "utils/eloop.h"
13 #include "common/version.h"
14 #include "common/ieee802_11_defs.h"
15 #include "common/ieee802_11_common.h"
16 #include "common/wpa_ctrl.h"
17 #include "eap_peer/eap.h"
18 #include "eapol_supp/eapol_supp_sm.h"
19 #include "rsn_supp/wpa.h"
20 #include "rsn_supp/preauth.h"
21 #include "rsn_supp/pmksa_cache.h"
22 #include "l2_packet/l2_packet.h"
23 #include "wps/wps.h"
24 #include "config.h"
25 #include "wpa_supplicant_i.h"
26 #include "driver_i.h"
27 #include "wps_supplicant.h"
28 #include "ibss_rsn.h"
29 #include "ap.h"
30 #include "p2p_supplicant.h"
31 #include "p2p/p2p.h"
32 #include "hs20_supplicant.h"
33 #include "wifi_display.h"
34 #include "notify.h"
35 #include "bss.h"
36 #include "scan.h"
37 #include "ctrl_iface.h"
38 #include "interworking.h"
39 #include "blacklist.h"
40 #include "autoscan.h"
41 #include "wnm_sta.h"
42
43 extern struct wpa_driver_ops *wpa_drivers[];
44
45 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
46 char *buf, int len);
47 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
48 char *buf, int len);
49
50
pno_start(struct wpa_supplicant * wpa_s)51 static int pno_start(struct wpa_supplicant *wpa_s)
52 {
53 int ret;
54 size_t i, num_ssid;
55 struct wpa_ssid *ssid;
56 struct wpa_driver_scan_params params;
57
58 if (wpa_s->pno)
59 return 0;
60
61 if (wpa_s->wpa_state == WPA_SCANNING) {
62 wpa_supplicant_cancel_sched_scan(wpa_s);
63 wpa_supplicant_cancel_scan(wpa_s);
64 }
65
66 os_memset(¶ms, 0, sizeof(params));
67
68 num_ssid = 0;
69 ssid = wpa_s->conf->ssid;
70 while (ssid) {
71 if (!wpas_network_disabled(wpa_s, ssid))
72 num_ssid++;
73 ssid = ssid->next;
74 }
75 if (num_ssid > WPAS_MAX_SCAN_SSIDS) {
76 wpa_printf(MSG_DEBUG, "PNO: Use only the first %u SSIDs from "
77 "%u", WPAS_MAX_SCAN_SSIDS, (unsigned int) num_ssid);
78 num_ssid = WPAS_MAX_SCAN_SSIDS;
79 }
80
81 if (num_ssid == 0) {
82 wpa_printf(MSG_DEBUG, "PNO: No configured SSIDs");
83 return -1;
84 }
85
86 params.filter_ssids = os_malloc(sizeof(struct wpa_driver_scan_filter) *
87 num_ssid);
88 if (params.filter_ssids == NULL)
89 return -1;
90 i = 0;
91 ssid = wpa_s->conf->ssid;
92 while (ssid) {
93 if (!wpas_network_disabled(wpa_s, ssid)) {
94 params.ssids[i].ssid = ssid->ssid;
95 params.ssids[i].ssid_len = ssid->ssid_len;
96 params.num_ssids++;
97 os_memcpy(params.filter_ssids[i].ssid, ssid->ssid,
98 ssid->ssid_len);
99 params.filter_ssids[i].ssid_len = ssid->ssid_len;
100 params.num_filter_ssids++;
101 i++;
102 if (i == num_ssid)
103 break;
104 }
105 ssid = ssid->next;
106 }
107
108 if (wpa_s->conf->filter_rssi)
109 params.filter_rssi = wpa_s->conf->filter_rssi;
110
111 ret = wpa_drv_sched_scan(wpa_s, ¶ms, 10 * 1000);
112 os_free(params.filter_ssids);
113 if (ret == 0)
114 wpa_s->pno = 1;
115 return ret;
116 }
117
118
pno_stop(struct wpa_supplicant * wpa_s)119 static int pno_stop(struct wpa_supplicant *wpa_s)
120 {
121 int ret = 0;
122
123 if (wpa_s->pno) {
124 wpa_s->pno = 0;
125 ret = wpa_drv_stop_sched_scan(wpa_s);
126 }
127
128 if (wpa_s->wpa_state == WPA_SCANNING)
129 wpa_supplicant_req_scan(wpa_s, 0, 0);
130
131 return ret;
132 }
133
134
set_bssid_filter(struct wpa_supplicant * wpa_s,char * val)135 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
136 {
137 char *pos;
138 u8 addr[ETH_ALEN], *filter = NULL, *n;
139 size_t count = 0;
140
141 pos = val;
142 while (pos) {
143 if (*pos == '\0')
144 break;
145 if (hwaddr_aton(pos, addr)) {
146 os_free(filter);
147 return -1;
148 }
149 n = os_realloc_array(filter, count + 1, ETH_ALEN);
150 if (n == NULL) {
151 os_free(filter);
152 return -1;
153 }
154 filter = n;
155 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
156 count++;
157
158 pos = os_strchr(pos, ' ');
159 if (pos)
160 pos++;
161 }
162
163 wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
164 os_free(wpa_s->bssid_filter);
165 wpa_s->bssid_filter = filter;
166 wpa_s->bssid_filter_count = count;
167
168 return 0;
169 }
170
171
set_disallow_aps(struct wpa_supplicant * wpa_s,char * val)172 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
173 {
174 char *pos;
175 u8 addr[ETH_ALEN], *bssid = NULL, *n;
176 struct wpa_ssid_value *ssid = NULL, *ns;
177 size_t count = 0, ssid_count = 0;
178 struct wpa_ssid *c;
179
180 /*
181 * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | “”
182 * SSID_SPEC ::= ssid <SSID_HEX>
183 * BSSID_SPEC ::= bssid <BSSID_HEX>
184 */
185
186 pos = val;
187 while (pos) {
188 if (*pos == '\0')
189 break;
190 if (os_strncmp(pos, "bssid ", 6) == 0) {
191 int res;
192 pos += 6;
193 res = hwaddr_aton2(pos, addr);
194 if (res < 0) {
195 os_free(ssid);
196 os_free(bssid);
197 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
198 "BSSID value '%s'", pos);
199 return -1;
200 }
201 pos += res;
202 n = os_realloc_array(bssid, count + 1, ETH_ALEN);
203 if (n == NULL) {
204 os_free(ssid);
205 os_free(bssid);
206 return -1;
207 }
208 bssid = n;
209 os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
210 count++;
211 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
212 char *end;
213 pos += 5;
214
215 end = pos;
216 while (*end) {
217 if (*end == '\0' || *end == ' ')
218 break;
219 end++;
220 }
221
222 ns = os_realloc_array(ssid, ssid_count + 1,
223 sizeof(struct wpa_ssid_value));
224 if (ns == NULL) {
225 os_free(ssid);
226 os_free(bssid);
227 return -1;
228 }
229 ssid = ns;
230
231 if ((end - pos) & 0x01 || end - pos > 2 * 32 ||
232 hexstr2bin(pos, ssid[ssid_count].ssid,
233 (end - pos) / 2) < 0) {
234 os_free(ssid);
235 os_free(bssid);
236 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
237 "SSID value '%s'", pos);
238 return -1;
239 }
240 ssid[ssid_count].ssid_len = (end - pos) / 2;
241 wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
242 ssid[ssid_count].ssid,
243 ssid[ssid_count].ssid_len);
244 ssid_count++;
245 pos = end;
246 } else {
247 wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
248 "'%s'", pos);
249 os_free(ssid);
250 os_free(bssid);
251 return -1;
252 }
253
254 pos = os_strchr(pos, ' ');
255 if (pos)
256 pos++;
257 }
258
259 wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
260 os_free(wpa_s->disallow_aps_bssid);
261 wpa_s->disallow_aps_bssid = bssid;
262 wpa_s->disallow_aps_bssid_count = count;
263
264 wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
265 os_free(wpa_s->disallow_aps_ssid);
266 wpa_s->disallow_aps_ssid = ssid;
267 wpa_s->disallow_aps_ssid_count = ssid_count;
268
269 if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
270 return 0;
271
272 c = wpa_s->current_ssid;
273 if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
274 return 0;
275
276 if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
277 !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
278 return 0;
279
280 wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
281 "because current AP was marked disallowed");
282
283 #ifdef CONFIG_SME
284 wpa_s->sme.prev_bssid_set = 0;
285 #endif /* CONFIG_SME */
286 wpa_s->reassociate = 1;
287 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
288 wpa_supplicant_req_scan(wpa_s, 0, 0);
289
290 return 0;
291 }
292
293
wpa_supplicant_ctrl_iface_set(struct wpa_supplicant * wpa_s,char * cmd)294 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
295 char *cmd)
296 {
297 char *value;
298 int ret = 0;
299
300 value = os_strchr(cmd, ' ');
301 if (value == NULL)
302 return -1;
303 *value++ = '\0';
304
305 wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
306 if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
307 eapol_sm_configure(wpa_s->eapol,
308 atoi(value), -1, -1, -1);
309 } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
310 eapol_sm_configure(wpa_s->eapol,
311 -1, atoi(value), -1, -1);
312 } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
313 eapol_sm_configure(wpa_s->eapol,
314 -1, -1, atoi(value), -1);
315 } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
316 eapol_sm_configure(wpa_s->eapol,
317 -1, -1, -1, atoi(value));
318 } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
319 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
320 atoi(value)))
321 ret = -1;
322 } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
323 0) {
324 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
325 atoi(value)))
326 ret = -1;
327 } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
328 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
329 ret = -1;
330 } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
331 wpa_s->wps_fragment_size = atoi(value);
332 #ifdef CONFIG_WPS_TESTING
333 } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
334 long int val;
335 val = strtol(value, NULL, 0);
336 if (val < 0 || val > 0xff) {
337 ret = -1;
338 wpa_printf(MSG_DEBUG, "WPS: Invalid "
339 "wps_version_number %ld", val);
340 } else {
341 wps_version_number = val;
342 wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
343 "version %u.%u",
344 (wps_version_number & 0xf0) >> 4,
345 wps_version_number & 0x0f);
346 }
347 } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
348 wps_testing_dummy_cred = atoi(value);
349 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
350 wps_testing_dummy_cred);
351 #endif /* CONFIG_WPS_TESTING */
352 } else if (os_strcasecmp(cmd, "ampdu") == 0) {
353 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
354 ret = -1;
355 #ifdef CONFIG_TDLS_TESTING
356 } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
357 extern unsigned int tdls_testing;
358 tdls_testing = strtol(value, NULL, 0);
359 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
360 #endif /* CONFIG_TDLS_TESTING */
361 #ifdef CONFIG_TDLS
362 } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
363 int disabled = atoi(value);
364 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
365 if (disabled) {
366 if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
367 ret = -1;
368 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
369 ret = -1;
370 wpa_tdls_enable(wpa_s->wpa, !disabled);
371 #endif /* CONFIG_TDLS */
372 } else if (os_strcasecmp(cmd, "pno") == 0) {
373 if (atoi(value))
374 ret = pno_start(wpa_s);
375 else
376 ret = pno_stop(wpa_s);
377 } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
378 int disabled = atoi(value);
379 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
380 ret = -1;
381 else if (disabled)
382 wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
383 } else if (os_strcasecmp(cmd, "uapsd") == 0) {
384 if (os_strcmp(value, "disable") == 0)
385 wpa_s->set_sta_uapsd = 0;
386 else {
387 int be, bk, vi, vo;
388 char *pos;
389 /* format: BE,BK,VI,VO;max SP Length */
390 be = atoi(value);
391 pos = os_strchr(value, ',');
392 if (pos == NULL)
393 return -1;
394 pos++;
395 bk = atoi(pos);
396 pos = os_strchr(pos, ',');
397 if (pos == NULL)
398 return -1;
399 pos++;
400 vi = atoi(pos);
401 pos = os_strchr(pos, ',');
402 if (pos == NULL)
403 return -1;
404 pos++;
405 vo = atoi(pos);
406 /* ignore max SP Length for now */
407
408 wpa_s->set_sta_uapsd = 1;
409 wpa_s->sta_uapsd = 0;
410 if (be)
411 wpa_s->sta_uapsd |= BIT(0);
412 if (bk)
413 wpa_s->sta_uapsd |= BIT(1);
414 if (vi)
415 wpa_s->sta_uapsd |= BIT(2);
416 if (vo)
417 wpa_s->sta_uapsd |= BIT(3);
418 }
419 } else if (os_strcasecmp(cmd, "ps") == 0) {
420 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
421 #ifdef CONFIG_WIFI_DISPLAY
422 } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
423 wifi_display_enable(wpa_s->global, !!atoi(value));
424 #endif /* CONFIG_WIFI_DISPLAY */
425 } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
426 ret = set_bssid_filter(wpa_s, value);
427 } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
428 ret = set_disallow_aps(wpa_s, value);
429 } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
430 wpa_s->no_keep_alive = !!atoi(value);
431 } else {
432 value[-1] = '=';
433 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
434 if (ret == 0)
435 wpa_supplicant_update_config(wpa_s);
436 }
437
438 return ret;
439 }
440
441
wpa_supplicant_ctrl_iface_get(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)442 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
443 char *cmd, char *buf, size_t buflen)
444 {
445 int res = -1;
446
447 wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
448
449 if (os_strcmp(cmd, "version") == 0) {
450 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
451 } else if (os_strcasecmp(cmd, "country") == 0) {
452 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
453 res = os_snprintf(buf, buflen, "%c%c",
454 wpa_s->conf->country[0],
455 wpa_s->conf->country[1]);
456 #ifdef CONFIG_WIFI_DISPLAY
457 } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
458 res = os_snprintf(buf, buflen, "%d",
459 wpa_s->global->wifi_display);
460 if (res < 0 || (unsigned int) res >= buflen)
461 return -1;
462 return res;
463 #endif /* CONFIG_WIFI_DISPLAY */
464 }
465
466 if (res < 0 || (unsigned int) res >= buflen)
467 return -1;
468 return res;
469 }
470
471
472 #ifdef IEEE8021X_EAPOL
wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant * wpa_s,char * addr)473 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
474 char *addr)
475 {
476 u8 bssid[ETH_ALEN];
477 struct wpa_ssid *ssid = wpa_s->current_ssid;
478
479 if (hwaddr_aton(addr, bssid)) {
480 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
481 "'%s'", addr);
482 return -1;
483 }
484
485 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
486 rsn_preauth_deinit(wpa_s->wpa);
487 if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
488 return -1;
489
490 return 0;
491 }
492 #endif /* IEEE8021X_EAPOL */
493
494
495 #ifdef CONFIG_PEERKEY
496 /* MLME-STKSTART.request(peer) */
wpa_supplicant_ctrl_iface_stkstart(struct wpa_supplicant * wpa_s,char * addr)497 static int wpa_supplicant_ctrl_iface_stkstart(
498 struct wpa_supplicant *wpa_s, char *addr)
499 {
500 u8 peer[ETH_ALEN];
501
502 if (hwaddr_aton(addr, peer)) {
503 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
504 "address '%s'", addr);
505 return -1;
506 }
507
508 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
509 MAC2STR(peer));
510
511 return wpa_sm_stkstart(wpa_s->wpa, peer);
512 }
513 #endif /* CONFIG_PEERKEY */
514
515
516 #ifdef CONFIG_TDLS
517
wpa_supplicant_ctrl_iface_tdls_discover(struct wpa_supplicant * wpa_s,char * addr)518 static int wpa_supplicant_ctrl_iface_tdls_discover(
519 struct wpa_supplicant *wpa_s, char *addr)
520 {
521 u8 peer[ETH_ALEN];
522 int ret;
523
524 if (hwaddr_aton(addr, peer)) {
525 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
526 "address '%s'", addr);
527 return -1;
528 }
529
530 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
531 MAC2STR(peer));
532
533 if (wpa_tdls_is_external_setup(wpa_s->wpa))
534 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
535 else
536 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
537
538 return ret;
539 }
540
541
wpa_supplicant_ctrl_iface_tdls_setup(struct wpa_supplicant * wpa_s,char * addr)542 static int wpa_supplicant_ctrl_iface_tdls_setup(
543 struct wpa_supplicant *wpa_s, char *addr)
544 {
545 u8 peer[ETH_ALEN];
546 int ret;
547
548 if (hwaddr_aton(addr, peer)) {
549 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
550 "address '%s'", addr);
551 return -1;
552 }
553
554 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
555 MAC2STR(peer));
556
557 ret = wpa_tdls_reneg(wpa_s->wpa, peer);
558 if (ret) {
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
565 return ret;
566 }
567
568
wpa_supplicant_ctrl_iface_tdls_teardown(struct wpa_supplicant * wpa_s,char * addr)569 static int wpa_supplicant_ctrl_iface_tdls_teardown(
570 struct wpa_supplicant *wpa_s, char *addr)
571 {
572 u8 peer[ETH_ALEN];
573
574 if (hwaddr_aton(addr, peer)) {
575 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
576 "address '%s'", addr);
577 return -1;
578 }
579
580 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
581 MAC2STR(peer));
582
583 return wpa_tdls_teardown_link(wpa_s->wpa, peer,
584 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
585 }
586
587 #endif /* CONFIG_TDLS */
588
589
590 #ifdef CONFIG_IEEE80211R
wpa_supplicant_ctrl_iface_ft_ds(struct wpa_supplicant * wpa_s,char * addr)591 static int wpa_supplicant_ctrl_iface_ft_ds(
592 struct wpa_supplicant *wpa_s, char *addr)
593 {
594 u8 target_ap[ETH_ALEN];
595 struct wpa_bss *bss;
596 const u8 *mdie;
597
598 if (hwaddr_aton(addr, target_ap)) {
599 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
600 "address '%s'", addr);
601 return -1;
602 }
603
604 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
605
606 bss = wpa_bss_get_bssid(wpa_s, target_ap);
607 if (bss)
608 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
609 else
610 mdie = NULL;
611
612 return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
613 }
614 #endif /* CONFIG_IEEE80211R */
615
616
617 #ifdef CONFIG_WPS
wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant * wpa_s,char * cmd)618 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
619 char *cmd)
620 {
621 u8 bssid[ETH_ALEN], *_bssid = bssid;
622 #ifdef CONFIG_P2P
623 u8 p2p_dev_addr[ETH_ALEN];
624 #endif /* CONFIG_P2P */
625 #ifdef CONFIG_AP
626 u8 *_p2p_dev_addr = NULL;
627 #endif /* CONFIG_AP */
628
629 if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
630 _bssid = NULL;
631 #ifdef CONFIG_P2P
632 } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
633 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
634 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
635 "P2P Device Address '%s'",
636 cmd + 13);
637 return -1;
638 }
639 _p2p_dev_addr = p2p_dev_addr;
640 #endif /* CONFIG_P2P */
641 } else if (hwaddr_aton(cmd, bssid)) {
642 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
643 cmd);
644 return -1;
645 }
646
647 #ifdef CONFIG_AP
648 if (wpa_s->ap_iface)
649 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
650 #endif /* CONFIG_AP */
651
652 return wpas_wps_start_pbc(wpa_s, _bssid, 0);
653 }
654
655
wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)656 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
657 char *cmd, char *buf,
658 size_t buflen)
659 {
660 u8 bssid[ETH_ALEN], *_bssid = bssid;
661 char *pin;
662 int ret;
663
664 pin = os_strchr(cmd, ' ');
665 if (pin)
666 *pin++ = '\0';
667
668 if (os_strcmp(cmd, "any") == 0)
669 _bssid = NULL;
670 else if (os_strcmp(cmd, "get") == 0) {
671 ret = wps_generate_pin();
672 goto done;
673 } else if (hwaddr_aton(cmd, bssid)) {
674 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
675 cmd);
676 return -1;
677 }
678
679 #ifdef CONFIG_AP
680 if (wpa_s->ap_iface) {
681 int timeout = 0;
682 char *pos;
683
684 if (pin) {
685 pos = os_strchr(pin, ' ');
686 if (pos) {
687 *pos++ = '\0';
688 timeout = atoi(pos);
689 }
690 }
691
692 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
693 buf, buflen, timeout);
694 }
695 #endif /* CONFIG_AP */
696
697 if (pin) {
698 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
699 DEV_PW_DEFAULT);
700 if (ret < 0)
701 return -1;
702 ret = os_snprintf(buf, buflen, "%s", pin);
703 if (ret < 0 || (size_t) ret >= buflen)
704 return -1;
705 return ret;
706 }
707
708 ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
709 if (ret < 0)
710 return -1;
711
712 done:
713 /* Return the generated PIN */
714 ret = os_snprintf(buf, buflen, "%08d", ret);
715 if (ret < 0 || (size_t) ret >= buflen)
716 return -1;
717 return ret;
718 }
719
720
wpa_supplicant_ctrl_iface_wps_check_pin(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)721 static int wpa_supplicant_ctrl_iface_wps_check_pin(
722 struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
723 {
724 char pin[9];
725 size_t len;
726 char *pos;
727 int ret;
728
729 wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
730 (u8 *) cmd, os_strlen(cmd));
731 for (pos = cmd, len = 0; *pos != '\0'; pos++) {
732 if (*pos < '0' || *pos > '9')
733 continue;
734 pin[len++] = *pos;
735 if (len == 9) {
736 wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
737 return -1;
738 }
739 }
740 if (len != 4 && len != 8) {
741 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
742 return -1;
743 }
744 pin[len] = '\0';
745
746 if (len == 8) {
747 unsigned int pin_val;
748 pin_val = atoi(pin);
749 if (!wps_pin_valid(pin_val)) {
750 wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
751 ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
752 if (ret < 0 || (size_t) ret >= buflen)
753 return -1;
754 return ret;
755 }
756 }
757
758 ret = os_snprintf(buf, buflen, "%s", pin);
759 if (ret < 0 || (size_t) ret >= buflen)
760 return -1;
761
762 return ret;
763 }
764
765
766 #ifdef CONFIG_WPS_NFC
767
wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant * wpa_s,char * cmd)768 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
769 char *cmd)
770 {
771 u8 bssid[ETH_ALEN], *_bssid = bssid;
772
773 if (cmd == NULL || cmd[0] == '\0')
774 _bssid = NULL;
775 else if (hwaddr_aton(cmd, bssid))
776 return -1;
777
778 return wpas_wps_start_nfc(wpa_s, _bssid);
779 }
780
781
wpa_supplicant_ctrl_iface_wps_nfc_token(struct wpa_supplicant * wpa_s,char * cmd,char * reply,size_t max_len)782 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
783 struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
784 {
785 int ndef;
786 struct wpabuf *buf;
787 int res;
788
789 if (os_strcmp(cmd, "WPS") == 0)
790 ndef = 0;
791 else if (os_strcmp(cmd, "NDEF") == 0)
792 ndef = 1;
793 else
794 return -1;
795
796 buf = wpas_wps_nfc_token(wpa_s, ndef);
797 if (buf == NULL)
798 return -1;
799
800 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
801 wpabuf_len(buf));
802 reply[res++] = '\n';
803 reply[res] = '\0';
804
805 wpabuf_free(buf);
806
807 return res;
808 }
809
810
wpa_supplicant_ctrl_iface_wps_nfc_tag_read(struct wpa_supplicant * wpa_s,char * pos)811 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
812 struct wpa_supplicant *wpa_s, char *pos)
813 {
814 size_t len;
815 struct wpabuf *buf;
816 int ret;
817
818 len = os_strlen(pos);
819 if (len & 0x01)
820 return -1;
821 len /= 2;
822
823 buf = wpabuf_alloc(len);
824 if (buf == NULL)
825 return -1;
826 if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
827 wpabuf_free(buf);
828 return -1;
829 }
830
831 ret = wpas_wps_nfc_tag_read(wpa_s, buf);
832 wpabuf_free(buf);
833
834 return ret;
835 }
836
837
wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant * wpa_s,char * reply,size_t max_len)838 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
839 char *reply, size_t max_len)
840 {
841 struct wpabuf *buf;
842 int res;
843
844 buf = wpas_wps_nfc_handover_req(wpa_s);
845 if (buf == NULL)
846 return -1;
847
848 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
849 wpabuf_len(buf));
850 reply[res++] = '\n';
851 reply[res] = '\0';
852
853 wpabuf_free(buf);
854
855 return res;
856 }
857
858
wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant * wpa_s,char * cmd,char * reply,size_t max_len)859 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
860 char *cmd, char *reply,
861 size_t max_len)
862 {
863 char *pos;
864
865 pos = os_strchr(cmd, ' ');
866 if (pos == NULL)
867 return -1;
868 *pos++ = '\0';
869
870 if (os_strcmp(cmd, "NDEF") != 0)
871 return -1;
872
873 if (os_strcmp(pos, "WPS") == 0) {
874 return wpas_ctrl_nfc_get_handover_req_wps(wpa_s, reply,
875 max_len);
876 }
877
878 return -1;
879 }
880
881
wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant * wpa_s,char * reply,size_t max_len)882 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
883 char *reply, size_t max_len)
884 {
885 struct wpabuf *buf;
886 int res;
887
888 buf = wpas_wps_nfc_handover_sel(wpa_s);
889 if (buf == NULL)
890 return -1;
891
892 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
893 wpabuf_len(buf));
894 reply[res++] = '\n';
895 reply[res] = '\0';
896
897 wpabuf_free(buf);
898
899 return res;
900 }
901
902
wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant * wpa_s,char * cmd,char * reply,size_t max_len)903 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
904 char *cmd, char *reply,
905 size_t max_len)
906 {
907 char *pos;
908
909 pos = os_strchr(cmd, ' ');
910 if (pos == NULL)
911 return -1;
912 *pos++ = '\0';
913
914 if (os_strcmp(cmd, "NDEF") != 0)
915 return -1;
916
917 if (os_strcmp(pos, "WPS") == 0) {
918 return wpas_ctrl_nfc_get_handover_sel_wps(wpa_s, reply,
919 max_len);
920 }
921
922 return -1;
923 }
924
925
wpas_ctrl_nfc_rx_handover_req(struct wpa_supplicant * wpa_s,char * cmd,char * reply,size_t max_len)926 static int wpas_ctrl_nfc_rx_handover_req(struct wpa_supplicant *wpa_s,
927 char *cmd, char *reply,
928 size_t max_len)
929 {
930 size_t len;
931 struct wpabuf *buf;
932 int ret;
933
934 len = os_strlen(cmd);
935 if (len & 0x01)
936 return -1;
937 len /= 2;
938
939 buf = wpabuf_alloc(len);
940 if (buf == NULL)
941 return -1;
942 if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
943 wpabuf_free(buf);
944 return -1;
945 }
946
947 ret = wpas_wps_nfc_rx_handover_req(wpa_s, buf);
948 wpabuf_free(buf);
949
950 return ret;
951 }
952
953
wpas_ctrl_nfc_rx_handover_sel(struct wpa_supplicant * wpa_s,char * cmd)954 static int wpas_ctrl_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
955 char *cmd)
956 {
957 size_t len;
958 struct wpabuf *buf;
959 int ret;
960
961 len = os_strlen(cmd);
962 if (len & 0x01)
963 return -1;
964 len /= 2;
965
966 buf = wpabuf_alloc(len);
967 if (buf == NULL)
968 return -1;
969 if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
970 wpabuf_free(buf);
971 return -1;
972 }
973
974 ret = wpas_wps_nfc_rx_handover_sel(wpa_s, buf);
975 wpabuf_free(buf);
976
977 return ret;
978 }
979
980 #endif /* CONFIG_WPS_NFC */
981
982
wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant * wpa_s,char * cmd)983 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
984 char *cmd)
985 {
986 u8 bssid[ETH_ALEN];
987 char *pin;
988 char *new_ssid;
989 char *new_auth;
990 char *new_encr;
991 char *new_key;
992 struct wps_new_ap_settings ap;
993
994 pin = os_strchr(cmd, ' ');
995 if (pin == NULL)
996 return -1;
997 *pin++ = '\0';
998
999 if (hwaddr_aton(cmd, bssid)) {
1000 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1001 cmd);
1002 return -1;
1003 }
1004
1005 new_ssid = os_strchr(pin, ' ');
1006 if (new_ssid == NULL)
1007 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1008 *new_ssid++ = '\0';
1009
1010 new_auth = os_strchr(new_ssid, ' ');
1011 if (new_auth == NULL)
1012 return -1;
1013 *new_auth++ = '\0';
1014
1015 new_encr = os_strchr(new_auth, ' ');
1016 if (new_encr == NULL)
1017 return -1;
1018 *new_encr++ = '\0';
1019
1020 new_key = os_strchr(new_encr, ' ');
1021 if (new_key == NULL)
1022 return -1;
1023 *new_key++ = '\0';
1024
1025 os_memset(&ap, 0, sizeof(ap));
1026 ap.ssid_hex = new_ssid;
1027 ap.auth = new_auth;
1028 ap.encr = new_encr;
1029 ap.key_hex = new_key;
1030 return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1031 }
1032
1033
1034 #ifdef CONFIG_AP
wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)1035 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1036 char *cmd, char *buf,
1037 size_t buflen)
1038 {
1039 int timeout = 300;
1040 char *pos;
1041 const char *pin_txt;
1042
1043 if (!wpa_s->ap_iface)
1044 return -1;
1045
1046 pos = os_strchr(cmd, ' ');
1047 if (pos)
1048 *pos++ = '\0';
1049
1050 if (os_strcmp(cmd, "disable") == 0) {
1051 wpas_wps_ap_pin_disable(wpa_s);
1052 return os_snprintf(buf, buflen, "OK\n");
1053 }
1054
1055 if (os_strcmp(cmd, "random") == 0) {
1056 if (pos)
1057 timeout = atoi(pos);
1058 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1059 if (pin_txt == NULL)
1060 return -1;
1061 return os_snprintf(buf, buflen, "%s", pin_txt);
1062 }
1063
1064 if (os_strcmp(cmd, "get") == 0) {
1065 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1066 if (pin_txt == NULL)
1067 return -1;
1068 return os_snprintf(buf, buflen, "%s", pin_txt);
1069 }
1070
1071 if (os_strcmp(cmd, "set") == 0) {
1072 char *pin;
1073 if (pos == NULL)
1074 return -1;
1075 pin = pos;
1076 pos = os_strchr(pos, ' ');
1077 if (pos) {
1078 *pos++ = '\0';
1079 timeout = atoi(pos);
1080 }
1081 if (os_strlen(pin) > buflen)
1082 return -1;
1083 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1084 return -1;
1085 return os_snprintf(buf, buflen, "%s", pin);
1086 }
1087
1088 return -1;
1089 }
1090 #endif /* CONFIG_AP */
1091
1092
1093 #ifdef CONFIG_WPS_ER
wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant * wpa_s,char * cmd)1094 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1095 char *cmd)
1096 {
1097 char *uuid = cmd, *pin, *pos;
1098 u8 addr_buf[ETH_ALEN], *addr = NULL;
1099 pin = os_strchr(uuid, ' ');
1100 if (pin == NULL)
1101 return -1;
1102 *pin++ = '\0';
1103 pos = os_strchr(pin, ' ');
1104 if (pos) {
1105 *pos++ = '\0';
1106 if (hwaddr_aton(pos, addr_buf) == 0)
1107 addr = addr_buf;
1108 }
1109 return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1110 }
1111
1112
wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant * wpa_s,char * cmd)1113 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1114 char *cmd)
1115 {
1116 char *uuid = cmd, *pin;
1117 pin = os_strchr(uuid, ' ');
1118 if (pin == NULL)
1119 return -1;
1120 *pin++ = '\0';
1121 return wpas_wps_er_learn(wpa_s, uuid, pin);
1122 }
1123
1124
wpa_supplicant_ctrl_iface_wps_er_set_config(struct wpa_supplicant * wpa_s,char * cmd)1125 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1126 struct wpa_supplicant *wpa_s, char *cmd)
1127 {
1128 char *uuid = cmd, *id;
1129 id = os_strchr(uuid, ' ');
1130 if (id == NULL)
1131 return -1;
1132 *id++ = '\0';
1133 return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1134 }
1135
1136
wpa_supplicant_ctrl_iface_wps_er_config(struct wpa_supplicant * wpa_s,char * cmd)1137 static int wpa_supplicant_ctrl_iface_wps_er_config(
1138 struct wpa_supplicant *wpa_s, char *cmd)
1139 {
1140 char *pin;
1141 char *new_ssid;
1142 char *new_auth;
1143 char *new_encr;
1144 char *new_key;
1145 struct wps_new_ap_settings ap;
1146
1147 pin = os_strchr(cmd, ' ');
1148 if (pin == NULL)
1149 return -1;
1150 *pin++ = '\0';
1151
1152 new_ssid = os_strchr(pin, ' ');
1153 if (new_ssid == NULL)
1154 return -1;
1155 *new_ssid++ = '\0';
1156
1157 new_auth = os_strchr(new_ssid, ' ');
1158 if (new_auth == NULL)
1159 return -1;
1160 *new_auth++ = '\0';
1161
1162 new_encr = os_strchr(new_auth, ' ');
1163 if (new_encr == NULL)
1164 return -1;
1165 *new_encr++ = '\0';
1166
1167 new_key = os_strchr(new_encr, ' ');
1168 if (new_key == NULL)
1169 return -1;
1170 *new_key++ = '\0';
1171
1172 os_memset(&ap, 0, sizeof(ap));
1173 ap.ssid_hex = new_ssid;
1174 ap.auth = new_auth;
1175 ap.encr = new_encr;
1176 ap.key_hex = new_key;
1177 return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1178 }
1179
1180
1181 #ifdef CONFIG_WPS_NFC
wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(struct wpa_supplicant * wpa_s,char * cmd,char * reply,size_t max_len)1182 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1183 struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1184 {
1185 int ndef;
1186 struct wpabuf *buf;
1187 int res;
1188 char *uuid;
1189
1190 uuid = os_strchr(cmd, ' ');
1191 if (uuid == NULL)
1192 return -1;
1193 *uuid++ = '\0';
1194
1195 if (os_strcmp(cmd, "WPS") == 0)
1196 ndef = 0;
1197 else if (os_strcmp(cmd, "NDEF") == 0)
1198 ndef = 1;
1199 else
1200 return -1;
1201
1202 buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1203 if (buf == NULL)
1204 return -1;
1205
1206 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1207 wpabuf_len(buf));
1208 reply[res++] = '\n';
1209 reply[res] = '\0';
1210
1211 wpabuf_free(buf);
1212
1213 return res;
1214 }
1215 #endif /* CONFIG_WPS_NFC */
1216 #endif /* CONFIG_WPS_ER */
1217
1218 #endif /* CONFIG_WPS */
1219
1220
1221 #ifdef CONFIG_IBSS_RSN
wpa_supplicant_ctrl_iface_ibss_rsn(struct wpa_supplicant * wpa_s,char * addr)1222 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1223 struct wpa_supplicant *wpa_s, char *addr)
1224 {
1225 u8 peer[ETH_ALEN];
1226
1227 if (hwaddr_aton(addr, peer)) {
1228 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1229 "address '%s'", addr);
1230 return -1;
1231 }
1232
1233 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1234 MAC2STR(peer));
1235
1236 return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1237 }
1238 #endif /* CONFIG_IBSS_RSN */
1239
1240
wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant * wpa_s,char * rsp)1241 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1242 char *rsp)
1243 {
1244 #ifdef IEEE8021X_EAPOL
1245 char *pos, *id_pos;
1246 int id;
1247 struct wpa_ssid *ssid;
1248
1249 pos = os_strchr(rsp, '-');
1250 if (pos == NULL)
1251 return -1;
1252 *pos++ = '\0';
1253 id_pos = pos;
1254 pos = os_strchr(pos, ':');
1255 if (pos == NULL)
1256 return -1;
1257 *pos++ = '\0';
1258 id = atoi(id_pos);
1259 wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1260 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1261 (u8 *) pos, os_strlen(pos));
1262
1263 ssid = wpa_config_get_network(wpa_s->conf, id);
1264 if (ssid == NULL) {
1265 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1266 "to update", id);
1267 return -1;
1268 }
1269
1270 return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1271 pos);
1272 #else /* IEEE8021X_EAPOL */
1273 wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1274 return -1;
1275 #endif /* IEEE8021X_EAPOL */
1276 }
1277
1278
wpa_supplicant_ctrl_iface_status(struct wpa_supplicant * wpa_s,const char * params,char * buf,size_t buflen)1279 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1280 const char *params,
1281 char *buf, size_t buflen)
1282 {
1283 char *pos, *end, tmp[30];
1284 int res, verbose, wps, ret;
1285
1286 verbose = os_strcmp(params, "-VERBOSE") == 0;
1287 wps = os_strcmp(params, "-WPS") == 0;
1288 pos = buf;
1289 end = buf + buflen;
1290 if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1291 struct wpa_ssid *ssid = wpa_s->current_ssid;
1292 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1293 MAC2STR(wpa_s->bssid));
1294 if (ret < 0 || ret >= end - pos)
1295 return pos - buf;
1296 pos += ret;
1297 if (ssid) {
1298 u8 *_ssid = ssid->ssid;
1299 size_t ssid_len = ssid->ssid_len;
1300 u8 ssid_buf[MAX_SSID_LEN];
1301 if (ssid_len == 0) {
1302 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1303 if (_res < 0)
1304 ssid_len = 0;
1305 else
1306 ssid_len = _res;
1307 _ssid = ssid_buf;
1308 }
1309 ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1310 wpa_ssid_txt(_ssid, ssid_len),
1311 ssid->id);
1312 if (ret < 0 || ret >= end - pos)
1313 return pos - buf;
1314 pos += ret;
1315
1316 if (wps && ssid->passphrase &&
1317 wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1318 (ssid->mode == WPAS_MODE_AP ||
1319 ssid->mode == WPAS_MODE_P2P_GO)) {
1320 ret = os_snprintf(pos, end - pos,
1321 "passphrase=%s\n",
1322 ssid->passphrase);
1323 if (ret < 0 || ret >= end - pos)
1324 return pos - buf;
1325 pos += ret;
1326 }
1327 if (ssid->id_str) {
1328 ret = os_snprintf(pos, end - pos,
1329 "id_str=%s\n",
1330 ssid->id_str);
1331 if (ret < 0 || ret >= end - pos)
1332 return pos - buf;
1333 pos += ret;
1334 }
1335
1336 switch (ssid->mode) {
1337 case WPAS_MODE_INFRA:
1338 ret = os_snprintf(pos, end - pos,
1339 "mode=station\n");
1340 break;
1341 case WPAS_MODE_IBSS:
1342 ret = os_snprintf(pos, end - pos,
1343 "mode=IBSS\n");
1344 break;
1345 case WPAS_MODE_AP:
1346 ret = os_snprintf(pos, end - pos,
1347 "mode=AP\n");
1348 break;
1349 case WPAS_MODE_P2P_GO:
1350 ret = os_snprintf(pos, end - pos,
1351 "mode=P2P GO\n");
1352 break;
1353 case WPAS_MODE_P2P_GROUP_FORMATION:
1354 ret = os_snprintf(pos, end - pos,
1355 "mode=P2P GO - group "
1356 "formation\n");
1357 break;
1358 default:
1359 ret = 0;
1360 break;
1361 }
1362 if (ret < 0 || ret >= end - pos)
1363 return pos - buf;
1364 pos += ret;
1365 }
1366
1367 #ifdef CONFIG_AP
1368 if (wpa_s->ap_iface) {
1369 pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1370 end - pos,
1371 verbose);
1372 } else
1373 #endif /* CONFIG_AP */
1374 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1375 }
1376 ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1377 wpa_supplicant_state_txt(wpa_s->wpa_state));
1378 if (ret < 0 || ret >= end - pos)
1379 return pos - buf;
1380 pos += ret;
1381
1382 if (wpa_s->l2 &&
1383 l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1384 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1385 if (ret < 0 || ret >= end - pos)
1386 return pos - buf;
1387 pos += ret;
1388 }
1389
1390 #ifdef CONFIG_P2P
1391 if (wpa_s->global->p2p) {
1392 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1393 "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1394 if (ret < 0 || ret >= end - pos)
1395 return pos - buf;
1396 pos += ret;
1397 }
1398 #endif /* CONFIG_P2P */
1399
1400 ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1401 MAC2STR(wpa_s->own_addr));
1402 if (ret < 0 || ret >= end - pos)
1403 return pos - buf;
1404 pos += ret;
1405
1406 #ifdef CONFIG_HS20
1407 if (wpa_s->current_bss &&
1408 wpa_bss_get_vendor_ie(wpa_s->current_bss, HS20_IE_VENDOR_TYPE) &&
1409 wpa_s->wpa_proto == WPA_PROTO_RSN &&
1410 wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1411 ret = os_snprintf(pos, end - pos, "hs20=1\n");
1412 if (ret < 0 || ret >= end - pos)
1413 return pos - buf;
1414 pos += ret;
1415 }
1416
1417 if (wpa_s->current_ssid) {
1418 struct wpa_cred *cred;
1419 char *type;
1420
1421 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1422 if (wpa_s->current_ssid->parent_cred != cred)
1423 continue;
1424 if (!cred->domain)
1425 continue;
1426
1427 ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1428 cred->domain);
1429 if (ret < 0 || ret >= end - pos)
1430 return pos - buf;
1431 pos += ret;
1432
1433 if (wpa_s->current_bss == NULL ||
1434 wpa_s->current_bss->anqp == NULL)
1435 res = -1;
1436 else
1437 res = interworking_home_sp_cred(
1438 wpa_s, cred,
1439 wpa_s->current_bss->anqp->domain_name);
1440 if (res > 0)
1441 type = "home";
1442 else if (res == 0)
1443 type = "roaming";
1444 else
1445 type = "unknown";
1446
1447 ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1448 if (ret < 0 || ret >= end - pos)
1449 return pos - buf;
1450 pos += ret;
1451
1452 break;
1453 }
1454 }
1455 #endif /* CONFIG_HS20 */
1456
1457 if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1458 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1459 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1460 verbose);
1461 if (res >= 0)
1462 pos += res;
1463 }
1464
1465 res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1466 if (res >= 0)
1467 pos += res;
1468
1469 return pos - buf;
1470 }
1471
1472
wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant * wpa_s,char * cmd)1473 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1474 char *cmd)
1475 {
1476 char *pos;
1477 int id;
1478 struct wpa_ssid *ssid;
1479 u8 bssid[ETH_ALEN];
1480
1481 /* cmd: "<network id> <BSSID>" */
1482 pos = os_strchr(cmd, ' ');
1483 if (pos == NULL)
1484 return -1;
1485 *pos++ = '\0';
1486 id = atoi(cmd);
1487 wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1488 if (hwaddr_aton(pos, bssid)) {
1489 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1490 return -1;
1491 }
1492
1493 ssid = wpa_config_get_network(wpa_s->conf, id);
1494 if (ssid == NULL) {
1495 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1496 "to update", id);
1497 return -1;
1498 }
1499
1500 os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1501 ssid->bssid_set = !is_zero_ether_addr(bssid);
1502
1503 return 0;
1504 }
1505
1506
wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)1507 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1508 char *cmd, char *buf,
1509 size_t buflen)
1510 {
1511 u8 bssid[ETH_ALEN];
1512 struct wpa_blacklist *e;
1513 char *pos, *end;
1514 int ret;
1515
1516 /* cmd: "BLACKLIST [<BSSID>]" */
1517 if (*cmd == '\0') {
1518 pos = buf;
1519 end = buf + buflen;
1520 e = wpa_s->blacklist;
1521 while (e) {
1522 ret = os_snprintf(pos, end - pos, MACSTR "\n",
1523 MAC2STR(e->bssid));
1524 if (ret < 0 || ret >= end - pos)
1525 return pos - buf;
1526 pos += ret;
1527 e = e->next;
1528 }
1529 return pos - buf;
1530 }
1531
1532 cmd++;
1533 if (os_strncmp(cmd, "clear", 5) == 0) {
1534 wpa_blacklist_clear(wpa_s);
1535 os_memcpy(buf, "OK\n", 3);
1536 return 3;
1537 }
1538
1539 wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1540 if (hwaddr_aton(cmd, bssid)) {
1541 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1542 return -1;
1543 }
1544
1545 /*
1546 * Add the BSSID twice, so its count will be 2, causing it to be
1547 * skipped when processing scan results.
1548 */
1549 ret = wpa_blacklist_add(wpa_s, bssid);
1550 if (ret != 0)
1551 return -1;
1552 ret = wpa_blacklist_add(wpa_s, bssid);
1553 if (ret != 0)
1554 return -1;
1555 os_memcpy(buf, "OK\n", 3);
1556 return 3;
1557 }
1558
1559
1560 extern int wpa_debug_level;
1561 extern int wpa_debug_timestamp;
1562
debug_level_str(int level)1563 static const char * debug_level_str(int level)
1564 {
1565 switch (level) {
1566 case MSG_EXCESSIVE:
1567 return "EXCESSIVE";
1568 case MSG_MSGDUMP:
1569 return "MSGDUMP";
1570 case MSG_DEBUG:
1571 return "DEBUG";
1572 case MSG_INFO:
1573 return "INFO";
1574 case MSG_WARNING:
1575 return "WARNING";
1576 case MSG_ERROR:
1577 return "ERROR";
1578 default:
1579 return "?";
1580 }
1581 }
1582
1583
str_to_debug_level(const char * s)1584 static int str_to_debug_level(const char *s)
1585 {
1586 if (os_strcasecmp(s, "EXCESSIVE") == 0)
1587 return MSG_EXCESSIVE;
1588 if (os_strcasecmp(s, "MSGDUMP") == 0)
1589 return MSG_MSGDUMP;
1590 if (os_strcasecmp(s, "DEBUG") == 0)
1591 return MSG_DEBUG;
1592 if (os_strcasecmp(s, "INFO") == 0)
1593 return MSG_INFO;
1594 if (os_strcasecmp(s, "WARNING") == 0)
1595 return MSG_WARNING;
1596 if (os_strcasecmp(s, "ERROR") == 0)
1597 return MSG_ERROR;
1598 return -1;
1599 }
1600
1601
wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)1602 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1603 char *cmd, char *buf,
1604 size_t buflen)
1605 {
1606 char *pos, *end, *stamp;
1607 int ret;
1608
1609 if (cmd == NULL) {
1610 return -1;
1611 }
1612
1613 /* cmd: "LOG_LEVEL [<level>]" */
1614 if (*cmd == '\0') {
1615 pos = buf;
1616 end = buf + buflen;
1617 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1618 "Timestamp: %d\n",
1619 debug_level_str(wpa_debug_level),
1620 wpa_debug_timestamp);
1621 if (ret < 0 || ret >= end - pos)
1622 ret = 0;
1623
1624 return ret;
1625 }
1626
1627 while (*cmd == ' ')
1628 cmd++;
1629
1630 stamp = os_strchr(cmd, ' ');
1631 if (stamp) {
1632 *stamp++ = '\0';
1633 while (*stamp == ' ') {
1634 stamp++;
1635 }
1636 }
1637
1638 if (cmd && os_strlen(cmd)) {
1639 int level = str_to_debug_level(cmd);
1640 if (level < 0)
1641 return -1;
1642 wpa_debug_level = level;
1643 }
1644
1645 if (stamp && os_strlen(stamp))
1646 wpa_debug_timestamp = atoi(stamp);
1647
1648 os_memcpy(buf, "OK\n", 3);
1649 return 3;
1650 }
1651
1652
wpa_supplicant_ctrl_iface_list_networks(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)1653 static int wpa_supplicant_ctrl_iface_list_networks(
1654 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1655 {
1656 char *pos, *end;
1657 struct wpa_ssid *ssid;
1658 int ret;
1659
1660 pos = buf;
1661 end = buf + buflen;
1662 ret = os_snprintf(pos, end - pos,
1663 "network id / ssid / bssid / flags\n");
1664 if (ret < 0 || ret >= end - pos)
1665 return pos - buf;
1666 pos += ret;
1667
1668 ssid = wpa_s->conf->ssid;
1669 while (ssid) {
1670 ret = os_snprintf(pos, end - pos, "%d\t%s",
1671 ssid->id,
1672 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1673 if (ret < 0 || ret >= end - pos)
1674 return pos - buf;
1675 pos += ret;
1676 if (ssid->bssid_set) {
1677 ret = os_snprintf(pos, end - pos, "\t" MACSTR,
1678 MAC2STR(ssid->bssid));
1679 } else {
1680 ret = os_snprintf(pos, end - pos, "\tany");
1681 }
1682 if (ret < 0 || ret >= end - pos)
1683 return pos - buf;
1684 pos += ret;
1685 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
1686 ssid == wpa_s->current_ssid ?
1687 "[CURRENT]" : "",
1688 ssid->disabled ? "[DISABLED]" : "",
1689 ssid->disabled_until.sec ?
1690 "[TEMP-DISABLED]" : "",
1691 ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
1692 "");
1693 if (ret < 0 || ret >= end - pos)
1694 return pos - buf;
1695 pos += ret;
1696 ret = os_snprintf(pos, end - pos, "\n");
1697 if (ret < 0 || ret >= end - pos)
1698 return pos - buf;
1699 pos += ret;
1700
1701 ssid = ssid->next;
1702 }
1703
1704 return pos - buf;
1705 }
1706
1707
wpa_supplicant_cipher_txt(char * pos,char * end,int cipher)1708 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
1709 {
1710 int first = 1, ret;
1711 ret = os_snprintf(pos, end - pos, "-");
1712 if (ret < 0 || ret >= end - pos)
1713 return pos;
1714 pos += ret;
1715 if (cipher & WPA_CIPHER_NONE) {
1716 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : "+");
1717 if (ret < 0 || ret >= end - pos)
1718 return pos;
1719 pos += ret;
1720 first = 0;
1721 }
1722 if (cipher & WPA_CIPHER_WEP40) {
1723 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : "+");
1724 if (ret < 0 || ret >= end - pos)
1725 return pos;
1726 pos += ret;
1727 first = 0;
1728 }
1729 if (cipher & WPA_CIPHER_WEP104) {
1730 ret = os_snprintf(pos, end - pos, "%sWEP104",
1731 first ? "" : "+");
1732 if (ret < 0 || ret >= end - pos)
1733 return pos;
1734 pos += ret;
1735 first = 0;
1736 }
1737 if (cipher & WPA_CIPHER_TKIP) {
1738 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : "+");
1739 if (ret < 0 || ret >= end - pos)
1740 return pos;
1741 pos += ret;
1742 first = 0;
1743 }
1744 if (cipher & WPA_CIPHER_CCMP) {
1745 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : "+");
1746 if (ret < 0 || ret >= end - pos)
1747 return pos;
1748 pos += ret;
1749 first = 0;
1750 }
1751 if (cipher & WPA_CIPHER_GCMP) {
1752 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : "+");
1753 if (ret < 0 || ret >= end - pos)
1754 return pos;
1755 pos += ret;
1756 first = 0;
1757 }
1758 return pos;
1759 }
1760
1761
wpa_supplicant_ie_txt(char * pos,char * end,const char * proto,const u8 * ie,size_t ie_len)1762 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
1763 const u8 *ie, size_t ie_len)
1764 {
1765 struct wpa_ie_data data;
1766 int first, ret;
1767
1768 ret = os_snprintf(pos, end - pos, "[%s-", proto);
1769 if (ret < 0 || ret >= end - pos)
1770 return pos;
1771 pos += ret;
1772
1773 if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
1774 ret = os_snprintf(pos, end - pos, "?]");
1775 if (ret < 0 || ret >= end - pos)
1776 return pos;
1777 pos += ret;
1778 return pos;
1779 }
1780
1781 first = 1;
1782 if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
1783 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
1784 if (ret < 0 || ret >= end - pos)
1785 return pos;
1786 pos += ret;
1787 first = 0;
1788 }
1789 if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
1790 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
1791 if (ret < 0 || ret >= end - pos)
1792 return pos;
1793 pos += ret;
1794 first = 0;
1795 }
1796 if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
1797 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
1798 if (ret < 0 || ret >= end - pos)
1799 return pos;
1800 pos += ret;
1801 first = 0;
1802 }
1803 #ifdef CONFIG_IEEE80211R
1804 if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
1805 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
1806 first ? "" : "+");
1807 if (ret < 0 || ret >= end - pos)
1808 return pos;
1809 pos += ret;
1810 first = 0;
1811 }
1812 if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
1813 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
1814 first ? "" : "+");
1815 if (ret < 0 || ret >= end - pos)
1816 return pos;
1817 pos += ret;
1818 first = 0;
1819 }
1820 #endif /* CONFIG_IEEE80211R */
1821 #ifdef CONFIG_IEEE80211W
1822 if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
1823 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
1824 first ? "" : "+");
1825 if (ret < 0 || ret >= end - pos)
1826 return pos;
1827 pos += ret;
1828 first = 0;
1829 }
1830 if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
1831 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
1832 first ? "" : "+");
1833 if (ret < 0 || ret >= end - pos)
1834 return pos;
1835 pos += ret;
1836 first = 0;
1837 }
1838 #endif /* CONFIG_IEEE80211W */
1839
1840 pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
1841
1842 if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
1843 ret = os_snprintf(pos, end - pos, "-preauth");
1844 if (ret < 0 || ret >= end - pos)
1845 return pos;
1846 pos += ret;
1847 }
1848
1849 ret = os_snprintf(pos, end - pos, "]");
1850 if (ret < 0 || ret >= end - pos)
1851 return pos;
1852 pos += ret;
1853
1854 return pos;
1855 }
1856
1857
1858 #ifdef CONFIG_WPS
wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant * wpa_s,char * pos,char * end,struct wpabuf * wps_ie)1859 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
1860 char *pos, char *end,
1861 struct wpabuf *wps_ie)
1862 {
1863 int ret;
1864 const char *txt;
1865
1866 if (wps_ie == NULL)
1867 return pos;
1868 if (wps_is_selected_pbc_registrar(wps_ie))
1869 txt = "[WPS-PBC]";
1870 #ifdef CONFIG_WPS2
1871 else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
1872 txt = "[WPS-AUTH]";
1873 #endif /* CONFIG_WPS2 */
1874 else if (wps_is_selected_pin_registrar(wps_ie))
1875 txt = "[WPS-PIN]";
1876 else
1877 txt = "[WPS]";
1878
1879 ret = os_snprintf(pos, end - pos, "%s", txt);
1880 if (ret >= 0 && ret < end - pos)
1881 pos += ret;
1882 wpabuf_free(wps_ie);
1883 return pos;
1884 }
1885 #endif /* CONFIG_WPS */
1886
1887
wpa_supplicant_wps_ie_txt(struct wpa_supplicant * wpa_s,char * pos,char * end,const struct wpa_bss * bss)1888 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
1889 char *pos, char *end,
1890 const struct wpa_bss *bss)
1891 {
1892 #ifdef CONFIG_WPS
1893 struct wpabuf *wps_ie;
1894 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1895 return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
1896 #else /* CONFIG_WPS */
1897 return pos;
1898 #endif /* CONFIG_WPS */
1899 }
1900
1901
1902 /* Format one result on one text line into a buffer. */
wpa_supplicant_ctrl_iface_scan_result(struct wpa_supplicant * wpa_s,const struct wpa_bss * bss,char * buf,size_t buflen)1903 static int wpa_supplicant_ctrl_iface_scan_result(
1904 struct wpa_supplicant *wpa_s,
1905 const struct wpa_bss *bss, char *buf, size_t buflen)
1906 {
1907 char *pos, *end;
1908 int ret;
1909 const u8 *ie, *ie2, *p2p;
1910
1911 p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
1912 if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
1913 os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
1914 0)
1915 return 0; /* Do not show P2P listen discovery results here */
1916
1917 pos = buf;
1918 end = buf + buflen;
1919
1920 ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
1921 MAC2STR(bss->bssid), bss->freq, bss->level);
1922 if (ret < 0 || ret >= end - pos)
1923 return -1;
1924 pos += ret;
1925 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
1926 if (ie)
1927 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
1928 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
1929 if (ie2)
1930 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
1931 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
1932 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
1933 ret = os_snprintf(pos, end - pos, "[WEP]");
1934 if (ret < 0 || ret >= end - pos)
1935 return -1;
1936 pos += ret;
1937 }
1938 if (bss->caps & IEEE80211_CAP_IBSS) {
1939 ret = os_snprintf(pos, end - pos, "[IBSS]");
1940 if (ret < 0 || ret >= end - pos)
1941 return -1;
1942 pos += ret;
1943 }
1944 if (bss->caps & IEEE80211_CAP_ESS) {
1945 ret = os_snprintf(pos, end - pos, "[ESS]");
1946 if (ret < 0 || ret >= end - pos)
1947 return -1;
1948 pos += ret;
1949 }
1950 if (p2p) {
1951 ret = os_snprintf(pos, end - pos, "[P2P]");
1952 if (ret < 0 || ret >= end - pos)
1953 return -1;
1954 pos += ret;
1955 }
1956 #ifdef CONFIG_HS20
1957 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
1958 ret = os_snprintf(pos, end - pos, "[HS20]");
1959 if (ret < 0 || ret >= end - pos)
1960 return -1;
1961 pos += ret;
1962 }
1963 #endif /* CONFIG_HS20 */
1964
1965 ret = os_snprintf(pos, end - pos, "\t%s",
1966 wpa_ssid_txt(bss->ssid, bss->ssid_len));
1967 if (ret < 0 || ret >= end - pos)
1968 return -1;
1969 pos += ret;
1970
1971 ret = os_snprintf(pos, end - pos, "\n");
1972 if (ret < 0 || ret >= end - pos)
1973 return -1;
1974 pos += ret;
1975
1976 return pos - buf;
1977 }
1978
1979
wpa_supplicant_ctrl_iface_scan_results(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)1980 static int wpa_supplicant_ctrl_iface_scan_results(
1981 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1982 {
1983 char *pos, *end;
1984 struct wpa_bss *bss;
1985 int ret;
1986
1987 pos = buf;
1988 end = buf + buflen;
1989 ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
1990 "flags / ssid\n");
1991 if (ret < 0 || ret >= end - pos)
1992 return pos - buf;
1993 pos += ret;
1994
1995 dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
1996 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
1997 end - pos);
1998 if (ret < 0 || ret >= end - pos)
1999 return pos - buf;
2000 pos += ret;
2001 }
2002
2003 return pos - buf;
2004 }
2005
2006
wpa_supplicant_ctrl_iface_select_network(struct wpa_supplicant * wpa_s,char * cmd)2007 static int wpa_supplicant_ctrl_iface_select_network(
2008 struct wpa_supplicant *wpa_s, char *cmd)
2009 {
2010 int id;
2011 struct wpa_ssid *ssid;
2012
2013 /* cmd: "<network id>" or "any" */
2014 if (os_strcmp(cmd, "any") == 0) {
2015 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2016 ssid = NULL;
2017 } else {
2018 id = atoi(cmd);
2019 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2020
2021 ssid = wpa_config_get_network(wpa_s->conf, id);
2022 if (ssid == NULL) {
2023 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2024 "network id=%d", id);
2025 return -1;
2026 }
2027 if (ssid->disabled == 2) {
2028 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2029 "SELECT_NETWORK with persistent P2P group");
2030 return -1;
2031 }
2032 }
2033
2034 wpa_supplicant_select_network(wpa_s, ssid);
2035
2036 return 0;
2037 }
2038
2039
wpa_supplicant_ctrl_iface_enable_network(struct wpa_supplicant * wpa_s,char * cmd)2040 static int wpa_supplicant_ctrl_iface_enable_network(
2041 struct wpa_supplicant *wpa_s, char *cmd)
2042 {
2043 int id;
2044 struct wpa_ssid *ssid;
2045
2046 /* cmd: "<network id>" or "all" */
2047 if (os_strcmp(cmd, "all") == 0) {
2048 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2049 ssid = NULL;
2050 } else {
2051 id = atoi(cmd);
2052 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2053
2054 ssid = wpa_config_get_network(wpa_s->conf, id);
2055 if (ssid == NULL) {
2056 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2057 "network id=%d", id);
2058 return -1;
2059 }
2060 if (ssid->disabled == 2) {
2061 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2062 "ENABLE_NETWORK with persistent P2P group");
2063 return -1;
2064 }
2065
2066 if (os_strstr(cmd, " no-connect")) {
2067 ssid->disabled = 0;
2068 return 0;
2069 }
2070 }
2071 wpa_supplicant_enable_network(wpa_s, ssid);
2072
2073 return 0;
2074 }
2075
2076
wpa_supplicant_ctrl_iface_disable_network(struct wpa_supplicant * wpa_s,char * cmd)2077 static int wpa_supplicant_ctrl_iface_disable_network(
2078 struct wpa_supplicant *wpa_s, char *cmd)
2079 {
2080 int id;
2081 struct wpa_ssid *ssid;
2082
2083 /* cmd: "<network id>" or "all" */
2084 if (os_strcmp(cmd, "all") == 0) {
2085 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2086 ssid = NULL;
2087 } else {
2088 id = atoi(cmd);
2089 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2090
2091 ssid = wpa_config_get_network(wpa_s->conf, id);
2092 if (ssid == NULL) {
2093 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2094 "network id=%d", id);
2095 return -1;
2096 }
2097 if (ssid->disabled == 2) {
2098 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2099 "DISABLE_NETWORK with persistent P2P "
2100 "group");
2101 return -1;
2102 }
2103 }
2104 wpa_supplicant_disable_network(wpa_s, ssid);
2105
2106 return 0;
2107 }
2108
2109
wpa_supplicant_ctrl_iface_add_network(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)2110 static int wpa_supplicant_ctrl_iface_add_network(
2111 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2112 {
2113 struct wpa_ssid *ssid;
2114 int ret;
2115
2116 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2117
2118 ssid = wpa_config_add_network(wpa_s->conf);
2119 if (ssid == NULL)
2120 return -1;
2121
2122 wpas_notify_network_added(wpa_s, ssid);
2123
2124 ssid->disabled = 1;
2125 wpa_config_set_network_defaults(ssid);
2126
2127 ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2128 if (ret < 0 || (size_t) ret >= buflen)
2129 return -1;
2130 return ret;
2131 }
2132
2133
wpa_supplicant_ctrl_iface_remove_network(struct wpa_supplicant * wpa_s,char * cmd)2134 static int wpa_supplicant_ctrl_iface_remove_network(
2135 struct wpa_supplicant *wpa_s, char *cmd)
2136 {
2137 int id;
2138 struct wpa_ssid *ssid;
2139
2140 /* cmd: "<network id>" or "all" */
2141 if (os_strcmp(cmd, "all") == 0) {
2142 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2143 ssid = wpa_s->conf->ssid;
2144 while (ssid) {
2145 struct wpa_ssid *remove_ssid = ssid;
2146 id = ssid->id;
2147 ssid = ssid->next;
2148 wpas_notify_network_removed(wpa_s, remove_ssid);
2149 wpa_config_remove_network(wpa_s->conf, id);
2150 }
2151 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2152 if (wpa_s->current_ssid) {
2153 #ifdef CONFIG_SME
2154 wpa_s->sme.prev_bssid_set = 0;
2155 #endif /* CONFIG_SME */
2156 wpa_sm_set_config(wpa_s->wpa, NULL);
2157 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2158 wpa_supplicant_deauthenticate(
2159 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2160 }
2161 return 0;
2162 }
2163
2164 id = atoi(cmd);
2165 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2166
2167 ssid = wpa_config_get_network(wpa_s->conf, id);
2168 if (ssid)
2169 wpas_notify_network_removed(wpa_s, ssid);
2170 if (ssid == NULL) {
2171 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2172 "id=%d", id);
2173 return -1;
2174 }
2175
2176 if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2177 #ifdef CONFIG_SME
2178 wpa_s->sme.prev_bssid_set = 0;
2179 #endif /* CONFIG_SME */
2180 /*
2181 * Invalidate the EAP session cache if the current or
2182 * previously used network is removed.
2183 */
2184 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2185 }
2186
2187 if (ssid == wpa_s->current_ssid) {
2188 wpa_sm_set_config(wpa_s->wpa, NULL);
2189 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2190
2191 wpa_supplicant_deauthenticate(wpa_s,
2192 WLAN_REASON_DEAUTH_LEAVING);
2193 }
2194
2195 if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2196 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2197 "network id=%d", id);
2198 return -1;
2199 }
2200
2201 return 0;
2202 }
2203
2204
wpa_supplicant_ctrl_iface_set_network(struct wpa_supplicant * wpa_s,char * cmd)2205 static int wpa_supplicant_ctrl_iface_set_network(
2206 struct wpa_supplicant *wpa_s, char *cmd)
2207 {
2208 int id;
2209 struct wpa_ssid *ssid;
2210 char *name, *value;
2211
2212 /* cmd: "<network id> <variable name> <value>" */
2213 name = os_strchr(cmd, ' ');
2214 if (name == NULL)
2215 return -1;
2216 *name++ = '\0';
2217
2218 value = os_strchr(name, ' ');
2219 if (value == NULL)
2220 return -1;
2221 *value++ = '\0';
2222
2223 id = atoi(cmd);
2224 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2225 id, name);
2226 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2227 (u8 *) value, os_strlen(value));
2228
2229 ssid = wpa_config_get_network(wpa_s->conf, id);
2230 if (ssid == NULL) {
2231 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2232 "id=%d", id);
2233 return -1;
2234 }
2235
2236 if (wpa_config_set(ssid, name, value, 0) < 0) {
2237 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2238 "variable '%s'", name);
2239 return -1;
2240 }
2241
2242 if (os_strcmp(name, "bssid") != 0 &&
2243 os_strcmp(name, "priority") != 0)
2244 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2245
2246 if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2247 /*
2248 * Invalidate the EAP session cache if anything in the current
2249 * or previously used configuration changes.
2250 */
2251 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2252 }
2253
2254 if ((os_strcmp(name, "psk") == 0 &&
2255 value[0] == '"' && ssid->ssid_len) ||
2256 (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2257 wpa_config_update_psk(ssid);
2258 else if (os_strcmp(name, "priority") == 0)
2259 wpa_config_update_prio_list(wpa_s->conf);
2260
2261 return 0;
2262 }
2263
2264
wpa_supplicant_ctrl_iface_get_network(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)2265 static int wpa_supplicant_ctrl_iface_get_network(
2266 struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2267 {
2268 int id;
2269 size_t res;
2270 struct wpa_ssid *ssid;
2271 char *name, *value;
2272
2273 /* cmd: "<network id> <variable name>" */
2274 name = os_strchr(cmd, ' ');
2275 if (name == NULL || buflen == 0)
2276 return -1;
2277 *name++ = '\0';
2278
2279 id = atoi(cmd);
2280 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2281 id, name);
2282
2283 ssid = wpa_config_get_network(wpa_s->conf, id);
2284 if (ssid == NULL) {
2285 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2286 "id=%d", id);
2287 return -1;
2288 }
2289
2290 value = wpa_config_get_no_key(ssid, name);
2291 if (value == NULL) {
2292 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2293 "variable '%s'", name);
2294 return -1;
2295 }
2296
2297 res = os_strlcpy(buf, value, buflen);
2298 if (res >= buflen) {
2299 os_free(value);
2300 return -1;
2301 }
2302
2303 os_free(value);
2304
2305 return res;
2306 }
2307
2308
wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)2309 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2310 char *buf, size_t buflen)
2311 {
2312 char *pos, *end;
2313 struct wpa_cred *cred;
2314 int ret;
2315
2316 pos = buf;
2317 end = buf + buflen;
2318 ret = os_snprintf(pos, end - pos,
2319 "cred id / realm / username / domain / imsi\n");
2320 if (ret < 0 || ret >= end - pos)
2321 return pos - buf;
2322 pos += ret;
2323
2324 cred = wpa_s->conf->cred;
2325 while (cred) {
2326 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2327 cred->id, cred->realm ? cred->realm : "",
2328 cred->username ? cred->username : "",
2329 cred->domain ? cred->domain : "",
2330 cred->imsi ? cred->imsi : "");
2331 if (ret < 0 || ret >= end - pos)
2332 return pos - buf;
2333 pos += ret;
2334
2335 cred = cred->next;
2336 }
2337
2338 return pos - buf;
2339 }
2340
2341
wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)2342 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2343 char *buf, size_t buflen)
2344 {
2345 struct wpa_cred *cred;
2346 int ret;
2347
2348 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2349
2350 cred = wpa_config_add_cred(wpa_s->conf);
2351 if (cred == NULL)
2352 return -1;
2353
2354 ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2355 if (ret < 0 || (size_t) ret >= buflen)
2356 return -1;
2357 return ret;
2358 }
2359
2360
wpas_ctrl_remove_cred(struct wpa_supplicant * wpa_s,struct wpa_cred * cred)2361 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2362 struct wpa_cred *cred)
2363 {
2364 struct wpa_ssid *ssid;
2365 char str[20];
2366
2367 if (cred == NULL || wpa_config_remove_cred(wpa_s->conf, cred->id) < 0) {
2368 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2369 return -1;
2370 }
2371
2372 /* Remove any network entry created based on the removed credential */
2373 ssid = wpa_s->conf->ssid;
2374 while (ssid) {
2375 if (ssid->parent_cred == cred) {
2376 wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2377 "used the removed credential", ssid->id);
2378 os_snprintf(str, sizeof(str), "%d", ssid->id);
2379 ssid = ssid->next;
2380 wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2381 } else
2382 ssid = ssid->next;
2383 }
2384
2385 return 0;
2386 }
2387
2388
wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant * wpa_s,char * cmd)2389 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2390 char *cmd)
2391 {
2392 int id;
2393 struct wpa_cred *cred, *prev;
2394
2395 /* cmd: "<cred id>", "all", or "sp_fqdn=<FQDN>" */
2396 if (os_strcmp(cmd, "all") == 0) {
2397 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2398 cred = wpa_s->conf->cred;
2399 while (cred) {
2400 prev = cred;
2401 cred = cred->next;
2402 wpas_ctrl_remove_cred(wpa_s, prev);
2403 }
2404 return 0;
2405 }
2406
2407 if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
2408 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
2409 cmd + 8);
2410 cred = wpa_s->conf->cred;
2411 while (cred) {
2412 prev = cred;
2413 cred = cred->next;
2414 if (prev->domain &&
2415 os_strcmp(prev->domain, cmd + 8) == 0)
2416 wpas_ctrl_remove_cred(wpa_s, prev);
2417 }
2418 return 0;
2419 }
2420
2421 id = atoi(cmd);
2422 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2423
2424 cred = wpa_config_get_cred(wpa_s->conf, id);
2425 return wpas_ctrl_remove_cred(wpa_s, cred);
2426 }
2427
2428
wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant * wpa_s,char * cmd)2429 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2430 char *cmd)
2431 {
2432 int id;
2433 struct wpa_cred *cred;
2434 char *name, *value;
2435
2436 /* cmd: "<cred id> <variable name> <value>" */
2437 name = os_strchr(cmd, ' ');
2438 if (name == NULL)
2439 return -1;
2440 *name++ = '\0';
2441
2442 value = os_strchr(name, ' ');
2443 if (value == NULL)
2444 return -1;
2445 *value++ = '\0';
2446
2447 id = atoi(cmd);
2448 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2449 id, name);
2450 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2451 (u8 *) value, os_strlen(value));
2452
2453 cred = wpa_config_get_cred(wpa_s->conf, id);
2454 if (cred == NULL) {
2455 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2456 id);
2457 return -1;
2458 }
2459
2460 if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2461 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2462 "variable '%s'", name);
2463 return -1;
2464 }
2465
2466 return 0;
2467 }
2468
2469
2470 #ifndef CONFIG_NO_CONFIG_WRITE
wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant * wpa_s)2471 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
2472 {
2473 int ret;
2474
2475 if (!wpa_s->conf->update_config) {
2476 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
2477 "to update configuration (update_config=0)");
2478 return -1;
2479 }
2480
2481 ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
2482 if (ret) {
2483 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
2484 "update configuration");
2485 } else {
2486 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
2487 " updated");
2488 }
2489
2490 return ret;
2491 }
2492 #endif /* CONFIG_NO_CONFIG_WRITE */
2493
2494
ctrl_iface_get_capability_pairwise(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)2495 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2496 struct wpa_driver_capa *capa,
2497 char *buf, size_t buflen)
2498 {
2499 int ret, first = 1;
2500 char *pos, *end;
2501 size_t len;
2502
2503 pos = buf;
2504 end = pos + buflen;
2505
2506 if (res < 0) {
2507 if (strict)
2508 return 0;
2509 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2510 if (len >= buflen)
2511 return -1;
2512 return len;
2513 }
2514
2515 if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2516 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2517 if (ret < 0 || ret >= end - pos)
2518 return pos - buf;
2519 pos += ret;
2520 first = 0;
2521 }
2522
2523 if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2524 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2525 if (ret < 0 || ret >= end - pos)
2526 return pos - buf;
2527 pos += ret;
2528 first = 0;
2529 }
2530
2531 if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2532 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2533 if (ret < 0 || ret >= end - pos)
2534 return pos - buf;
2535 pos += ret;
2536 first = 0;
2537 }
2538
2539 if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2540 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
2541 if (ret < 0 || ret >= end - pos)
2542 return pos - buf;
2543 pos += ret;
2544 first = 0;
2545 }
2546
2547 return pos - buf;
2548 }
2549
2550
ctrl_iface_get_capability_group(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)2551 static int ctrl_iface_get_capability_group(int res, char *strict,
2552 struct wpa_driver_capa *capa,
2553 char *buf, size_t buflen)
2554 {
2555 int ret, first = 1;
2556 char *pos, *end;
2557 size_t len;
2558
2559 pos = buf;
2560 end = pos + buflen;
2561
2562 if (res < 0) {
2563 if (strict)
2564 return 0;
2565 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
2566 if (len >= buflen)
2567 return -1;
2568 return len;
2569 }
2570
2571 if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2572 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2573 if (ret < 0 || ret >= end - pos)
2574 return pos - buf;
2575 pos += ret;
2576 first = 0;
2577 }
2578
2579 if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2580 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2581 if (ret < 0 || ret >= end - pos)
2582 return pos - buf;
2583 pos += ret;
2584 first = 0;
2585 }
2586
2587 if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2588 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2589 if (ret < 0 || ret >= end - pos)
2590 return pos - buf;
2591 pos += ret;
2592 first = 0;
2593 }
2594
2595 if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP104) {
2596 ret = os_snprintf(pos, end - pos, "%sWEP104",
2597 first ? "" : " ");
2598 if (ret < 0 || ret >= end - pos)
2599 return pos - buf;
2600 pos += ret;
2601 first = 0;
2602 }
2603
2604 if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
2605 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
2606 if (ret < 0 || ret >= end - pos)
2607 return pos - buf;
2608 pos += ret;
2609 first = 0;
2610 }
2611
2612 return pos - buf;
2613 }
2614
2615
ctrl_iface_get_capability_key_mgmt(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)2616 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
2617 struct wpa_driver_capa *capa,
2618 char *buf, size_t buflen)
2619 {
2620 int ret;
2621 char *pos, *end;
2622 size_t len;
2623
2624 pos = buf;
2625 end = pos + buflen;
2626
2627 if (res < 0) {
2628 if (strict)
2629 return 0;
2630 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
2631 "NONE", buflen);
2632 if (len >= buflen)
2633 return -1;
2634 return len;
2635 }
2636
2637 ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
2638 if (ret < 0 || ret >= end - pos)
2639 return pos - buf;
2640 pos += ret;
2641
2642 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2643 WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2644 ret = os_snprintf(pos, end - pos, " WPA-EAP");
2645 if (ret < 0 || ret >= end - pos)
2646 return pos - buf;
2647 pos += ret;
2648 }
2649
2650 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2651 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2652 ret = os_snprintf(pos, end - pos, " WPA-PSK");
2653 if (ret < 0 || ret >= end - pos)
2654 return pos - buf;
2655 pos += ret;
2656 }
2657
2658 if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2659 ret = os_snprintf(pos, end - pos, " WPA-NONE");
2660 if (ret < 0 || ret >= end - pos)
2661 return pos - buf;
2662 pos += ret;
2663 }
2664
2665 return pos - buf;
2666 }
2667
2668
ctrl_iface_get_capability_proto(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)2669 static int ctrl_iface_get_capability_proto(int res, char *strict,
2670 struct wpa_driver_capa *capa,
2671 char *buf, size_t buflen)
2672 {
2673 int ret, first = 1;
2674 char *pos, *end;
2675 size_t len;
2676
2677 pos = buf;
2678 end = pos + buflen;
2679
2680 if (res < 0) {
2681 if (strict)
2682 return 0;
2683 len = os_strlcpy(buf, "RSN WPA", buflen);
2684 if (len >= buflen)
2685 return -1;
2686 return len;
2687 }
2688
2689 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2690 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2691 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
2692 if (ret < 0 || ret >= end - pos)
2693 return pos - buf;
2694 pos += ret;
2695 first = 0;
2696 }
2697
2698 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2699 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2700 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
2701 if (ret < 0 || ret >= end - pos)
2702 return pos - buf;
2703 pos += ret;
2704 first = 0;
2705 }
2706
2707 return pos - buf;
2708 }
2709
2710
ctrl_iface_get_capability_auth_alg(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)2711 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
2712 struct wpa_driver_capa *capa,
2713 char *buf, size_t buflen)
2714 {
2715 int ret, first = 1;
2716 char *pos, *end;
2717 size_t len;
2718
2719 pos = buf;
2720 end = pos + buflen;
2721
2722 if (res < 0) {
2723 if (strict)
2724 return 0;
2725 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
2726 if (len >= buflen)
2727 return -1;
2728 return len;
2729 }
2730
2731 if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
2732 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
2733 if (ret < 0 || ret >= end - pos)
2734 return pos - buf;
2735 pos += ret;
2736 first = 0;
2737 }
2738
2739 if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
2740 ret = os_snprintf(pos, end - pos, "%sSHARED",
2741 first ? "" : " ");
2742 if (ret < 0 || ret >= end - pos)
2743 return pos - buf;
2744 pos += ret;
2745 first = 0;
2746 }
2747
2748 if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
2749 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
2750 if (ret < 0 || ret >= end - pos)
2751 return pos - buf;
2752 pos += ret;
2753 first = 0;
2754 }
2755
2756 return pos - buf;
2757 }
2758
2759
ctrl_iface_get_capability_channels(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)2760 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
2761 char *buf, size_t buflen)
2762 {
2763 struct hostapd_channel_data *chnl;
2764 int ret, i, j;
2765 char *pos, *end, *hmode;
2766
2767 pos = buf;
2768 end = pos + buflen;
2769
2770 for (j = 0; j < wpa_s->hw.num_modes; j++) {
2771 switch (wpa_s->hw.modes[j].mode) {
2772 case HOSTAPD_MODE_IEEE80211B:
2773 hmode = "B";
2774 break;
2775 case HOSTAPD_MODE_IEEE80211G:
2776 hmode = "G";
2777 break;
2778 case HOSTAPD_MODE_IEEE80211A:
2779 hmode = "A";
2780 break;
2781 case HOSTAPD_MODE_IEEE80211AD:
2782 hmode = "AD";
2783 break;
2784 default:
2785 continue;
2786 }
2787 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
2788 if (ret < 0 || ret >= end - pos)
2789 return pos - buf;
2790 pos += ret;
2791 chnl = wpa_s->hw.modes[j].channels;
2792 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
2793 if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
2794 continue;
2795 ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
2796 if (ret < 0 || ret >= end - pos)
2797 return pos - buf;
2798 pos += ret;
2799 }
2800 ret = os_snprintf(pos, end - pos, "\n");
2801 if (ret < 0 || ret >= end - pos)
2802 return pos - buf;
2803 pos += ret;
2804 }
2805
2806 return pos - buf;
2807 }
2808
2809
wpa_supplicant_ctrl_iface_get_capability(struct wpa_supplicant * wpa_s,const char * _field,char * buf,size_t buflen)2810 static int wpa_supplicant_ctrl_iface_get_capability(
2811 struct wpa_supplicant *wpa_s, const char *_field, char *buf,
2812 size_t buflen)
2813 {
2814 struct wpa_driver_capa capa;
2815 int res;
2816 char *strict;
2817 char field[30];
2818 size_t len;
2819
2820 /* Determine whether or not strict checking was requested */
2821 len = os_strlcpy(field, _field, sizeof(field));
2822 if (len >= sizeof(field))
2823 return -1;
2824 strict = os_strchr(field, ' ');
2825 if (strict != NULL) {
2826 *strict++ = '\0';
2827 if (os_strcmp(strict, "strict") != 0)
2828 return -1;
2829 }
2830
2831 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
2832 field, strict ? strict : "");
2833
2834 if (os_strcmp(field, "eap") == 0) {
2835 return eap_get_names(buf, buflen);
2836 }
2837
2838 res = wpa_drv_get_capa(wpa_s, &capa);
2839
2840 if (os_strcmp(field, "pairwise") == 0)
2841 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
2842 buf, buflen);
2843
2844 if (os_strcmp(field, "group") == 0)
2845 return ctrl_iface_get_capability_group(res, strict, &capa,
2846 buf, buflen);
2847
2848 if (os_strcmp(field, "key_mgmt") == 0)
2849 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
2850 buf, buflen);
2851
2852 if (os_strcmp(field, "proto") == 0)
2853 return ctrl_iface_get_capability_proto(res, strict, &capa,
2854 buf, buflen);
2855
2856 if (os_strcmp(field, "auth_alg") == 0)
2857 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
2858 buf, buflen);
2859
2860 if (os_strcmp(field, "channels") == 0)
2861 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
2862
2863 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
2864 field);
2865
2866 return -1;
2867 }
2868
2869
2870 #ifdef CONFIG_INTERWORKING
anqp_add_hex(char * pos,char * end,const char * title,struct wpabuf * data)2871 static char * anqp_add_hex(char *pos, char *end, const char *title,
2872 struct wpabuf *data)
2873 {
2874 char *start = pos;
2875 size_t i;
2876 int ret;
2877 const u8 *d;
2878
2879 if (data == NULL)
2880 return start;
2881
2882 ret = os_snprintf(pos, end - pos, "%s=", title);
2883 if (ret < 0 || ret >= end - pos)
2884 return start;
2885 pos += ret;
2886
2887 d = wpabuf_head_u8(data);
2888 for (i = 0; i < wpabuf_len(data); i++) {
2889 ret = os_snprintf(pos, end - pos, "%02x", *d++);
2890 if (ret < 0 || ret >= end - pos)
2891 return start;
2892 pos += ret;
2893 }
2894
2895 ret = os_snprintf(pos, end - pos, "\n");
2896 if (ret < 0 || ret >= end - pos)
2897 return start;
2898 pos += ret;
2899
2900 return pos;
2901 }
2902 #endif /* CONFIG_INTERWORKING */
2903
2904
print_bss_info(struct wpa_supplicant * wpa_s,struct wpa_bss * bss,unsigned long mask,char * buf,size_t buflen)2905 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
2906 unsigned long mask, char *buf, size_t buflen)
2907 {
2908 size_t i;
2909 int ret;
2910 char *pos, *end;
2911 const u8 *ie, *ie2;
2912
2913 pos = buf;
2914 end = buf + buflen;
2915
2916 if (mask & WPA_BSS_MASK_ID) {
2917 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
2918 if (ret < 0 || ret >= end - pos)
2919 return 0;
2920 pos += ret;
2921 }
2922
2923 if (mask & WPA_BSS_MASK_BSSID) {
2924 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
2925 MAC2STR(bss->bssid));
2926 if (ret < 0 || ret >= end - pos)
2927 return 0;
2928 pos += ret;
2929 }
2930
2931 if (mask & WPA_BSS_MASK_FREQ) {
2932 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
2933 if (ret < 0 || ret >= end - pos)
2934 return 0;
2935 pos += ret;
2936 }
2937
2938 if (mask & WPA_BSS_MASK_BEACON_INT) {
2939 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
2940 bss->beacon_int);
2941 if (ret < 0 || ret >= end - pos)
2942 return 0;
2943 pos += ret;
2944 }
2945
2946 if (mask & WPA_BSS_MASK_CAPABILITIES) {
2947 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
2948 bss->caps);
2949 if (ret < 0 || ret >= end - pos)
2950 return 0;
2951 pos += ret;
2952 }
2953
2954 if (mask & WPA_BSS_MASK_QUAL) {
2955 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
2956 if (ret < 0 || ret >= end - pos)
2957 return 0;
2958 pos += ret;
2959 }
2960
2961 if (mask & WPA_BSS_MASK_NOISE) {
2962 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
2963 if (ret < 0 || ret >= end - pos)
2964 return 0;
2965 pos += ret;
2966 }
2967
2968 if (mask & WPA_BSS_MASK_LEVEL) {
2969 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
2970 if (ret < 0 || ret >= end - pos)
2971 return 0;
2972 pos += ret;
2973 }
2974
2975 if (mask & WPA_BSS_MASK_TSF) {
2976 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
2977 (unsigned long long) bss->tsf);
2978 if (ret < 0 || ret >= end - pos)
2979 return 0;
2980 pos += ret;
2981 }
2982
2983 if (mask & WPA_BSS_MASK_AGE) {
2984 struct os_time now;
2985
2986 os_get_time(&now);
2987 ret = os_snprintf(pos, end - pos, "age=%d\n",
2988 (int) (now.sec - bss->last_update.sec));
2989 if (ret < 0 || ret >= end - pos)
2990 return 0;
2991 pos += ret;
2992 }
2993
2994 if (mask & WPA_BSS_MASK_IE) {
2995 ret = os_snprintf(pos, end - pos, "ie=");
2996 if (ret < 0 || ret >= end - pos)
2997 return 0;
2998 pos += ret;
2999
3000 ie = (const u8 *) (bss + 1);
3001 for (i = 0; i < bss->ie_len; i++) {
3002 ret = os_snprintf(pos, end - pos, "%02x", *ie++);
3003 if (ret < 0 || ret >= end - pos)
3004 return 0;
3005 pos += ret;
3006 }
3007
3008 ret = os_snprintf(pos, end - pos, "\n");
3009 if (ret < 0 || ret >= end - pos)
3010 return 0;
3011 pos += ret;
3012 }
3013
3014 if (mask & WPA_BSS_MASK_FLAGS) {
3015 ret = os_snprintf(pos, end - pos, "flags=");
3016 if (ret < 0 || ret >= end - pos)
3017 return 0;
3018 pos += ret;
3019
3020 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
3021 if (ie)
3022 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
3023 2 + ie[1]);
3024 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
3025 if (ie2)
3026 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
3027 2 + ie2[1]);
3028 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
3029 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3030 ret = os_snprintf(pos, end - pos, "[WEP]");
3031 if (ret < 0 || ret >= end - pos)
3032 return 0;
3033 pos += ret;
3034 }
3035 if (bss->caps & IEEE80211_CAP_IBSS) {
3036 ret = os_snprintf(pos, end - pos, "[IBSS]");
3037 if (ret < 0 || ret >= end - pos)
3038 return 0;
3039 pos += ret;
3040 }
3041 if (bss->caps & IEEE80211_CAP_ESS) {
3042 ret = os_snprintf(pos, end - pos, "[ESS]");
3043 if (ret < 0 || ret >= end - pos)
3044 return 0;
3045 pos += ret;
3046 }
3047 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE)) {
3048 ret = os_snprintf(pos, end - pos, "[P2P]");
3049 if (ret < 0 || ret >= end - pos)
3050 return 0;
3051 pos += ret;
3052 }
3053 #ifdef CONFIG_HS20
3054 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3055 ret = os_snprintf(pos, end - pos, "[HS20]");
3056 if (ret < 0 || ret >= end - pos)
3057 return -1;
3058 pos += ret;
3059 }
3060 #endif /* CONFIG_HS20 */
3061
3062 ret = os_snprintf(pos, end - pos, "\n");
3063 if (ret < 0 || ret >= end - pos)
3064 return 0;
3065 pos += ret;
3066 }
3067
3068 if (mask & WPA_BSS_MASK_SSID) {
3069 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3070 wpa_ssid_txt(bss->ssid, bss->ssid_len));
3071 if (ret < 0 || ret >= end - pos)
3072 return 0;
3073 pos += ret;
3074 }
3075
3076 #ifdef CONFIG_WPS
3077 if (mask & WPA_BSS_MASK_WPS_SCAN) {
3078 ie = (const u8 *) (bss + 1);
3079 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3080 if (ret < 0 || ret >= end - pos)
3081 return 0;
3082 pos += ret;
3083 }
3084 #endif /* CONFIG_WPS */
3085
3086 #ifdef CONFIG_P2P
3087 if (mask & WPA_BSS_MASK_P2P_SCAN) {
3088 ie = (const u8 *) (bss + 1);
3089 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3090 if (ret < 0 || ret >= end - pos)
3091 return 0;
3092 pos += ret;
3093 }
3094 #endif /* CONFIG_P2P */
3095
3096 #ifdef CONFIG_WIFI_DISPLAY
3097 if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3098 struct wpabuf *wfd;
3099 ie = (const u8 *) (bss + 1);
3100 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3101 WFD_IE_VENDOR_TYPE);
3102 if (wfd) {
3103 ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3104 if (ret < 0 || ret >= end - pos)
3105 return pos - buf;
3106 pos += ret;
3107
3108 pos += wpa_snprintf_hex(pos, end - pos,
3109 wpabuf_head(wfd),
3110 wpabuf_len(wfd));
3111 wpabuf_free(wfd);
3112
3113 ret = os_snprintf(pos, end - pos, "\n");
3114 if (ret < 0 || ret >= end - pos)
3115 return pos - buf;
3116 pos += ret;
3117 }
3118 }
3119 #endif /* CONFIG_WIFI_DISPLAY */
3120
3121 #ifdef CONFIG_INTERWORKING
3122 if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3123 struct wpa_bss_anqp *anqp = bss->anqp;
3124 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3125 anqp->venue_name);
3126 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3127 anqp->network_auth_type);
3128 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3129 anqp->roaming_consortium);
3130 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3131 anqp->ip_addr_type_availability);
3132 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3133 anqp->nai_realm);
3134 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3135 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3136 anqp->domain_name);
3137 #ifdef CONFIG_HS20
3138 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3139 anqp->hs20_operator_friendly_name);
3140 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3141 anqp->hs20_wan_metrics);
3142 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3143 anqp->hs20_connection_capability);
3144 #endif /* CONFIG_HS20 */
3145 }
3146 #endif /* CONFIG_INTERWORKING */
3147
3148 return pos - buf;
3149 }
3150
3151
wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant * wpa_s,const char * cmd,char * buf,size_t buflen)3152 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3153 const char *cmd, char *buf,
3154 size_t buflen)
3155 {
3156 u8 bssid[ETH_ALEN];
3157 size_t i;
3158 struct wpa_bss *bss;
3159 struct wpa_bss *bsslast = NULL;
3160 struct dl_list *next;
3161 int ret = 0;
3162 int len;
3163 char *ctmp;
3164 unsigned long mask = WPA_BSS_MASK_ALL;
3165
3166 if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3167 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3168 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3169 list_id);
3170 bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3171 list_id);
3172 } else { /* N1-N2 */
3173 unsigned int id1, id2;
3174
3175 if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3176 wpa_printf(MSG_INFO, "Wrong BSS range "
3177 "format");
3178 return 0;
3179 }
3180
3181 id1 = atoi(cmd + 6);
3182 bss = wpa_bss_get_id(wpa_s, id1);
3183 id2 = atoi(ctmp + 1);
3184 if (id2 == 0)
3185 bsslast = dl_list_last(&wpa_s->bss_id,
3186 struct wpa_bss,
3187 list_id);
3188 else {
3189 bsslast = wpa_bss_get_id(wpa_s, id2);
3190 if (bsslast == NULL && bss && id2 > id1) {
3191 struct wpa_bss *tmp = bss;
3192 for (;;) {
3193 next = tmp->list_id.next;
3194 if (next == &wpa_s->bss_id)
3195 break;
3196 tmp = dl_list_entry(
3197 next, struct wpa_bss,
3198 list_id);
3199 if (tmp->id > id2)
3200 break;
3201 bsslast = tmp;
3202 }
3203 }
3204 }
3205 }
3206 } else if (os_strcmp(cmd, "FIRST") == 0)
3207 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3208 else if (os_strncmp(cmd, "ID-", 3) == 0) {
3209 i = atoi(cmd + 3);
3210 bss = wpa_bss_get_id(wpa_s, i);
3211 } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3212 i = atoi(cmd + 5);
3213 bss = wpa_bss_get_id(wpa_s, i);
3214 if (bss) {
3215 next = bss->list_id.next;
3216 if (next == &wpa_s->bss_id)
3217 bss = NULL;
3218 else
3219 bss = dl_list_entry(next, struct wpa_bss,
3220 list_id);
3221 }
3222 #ifdef CONFIG_P2P
3223 } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3224 if (hwaddr_aton(cmd + 13, bssid) == 0)
3225 bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3226 else
3227 bss = NULL;
3228 #endif /* CONFIG_P2P */
3229 } else if (hwaddr_aton(cmd, bssid) == 0)
3230 bss = wpa_bss_get_bssid(wpa_s, bssid);
3231 else {
3232 struct wpa_bss *tmp;
3233 i = atoi(cmd);
3234 bss = NULL;
3235 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3236 {
3237 if (i-- == 0) {
3238 bss = tmp;
3239 break;
3240 }
3241 }
3242 }
3243
3244 if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3245 mask = strtoul(ctmp + 5, NULL, 0x10);
3246 if (mask == 0)
3247 mask = WPA_BSS_MASK_ALL;
3248 }
3249
3250 if (bss == NULL)
3251 return 0;
3252
3253 if (bsslast == NULL)
3254 bsslast = bss;
3255 do {
3256 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3257 ret += len;
3258 buf += len;
3259 buflen -= len;
3260 if (bss == bsslast)
3261 break;
3262 next = bss->list_id.next;
3263 if (next == &wpa_s->bss_id)
3264 break;
3265 bss = dl_list_entry(next, struct wpa_bss, list_id);
3266 } while (bss && len);
3267
3268 return ret;
3269 }
3270
3271
wpa_supplicant_ctrl_iface_ap_scan(struct wpa_supplicant * wpa_s,char * cmd)3272 static int wpa_supplicant_ctrl_iface_ap_scan(
3273 struct wpa_supplicant *wpa_s, char *cmd)
3274 {
3275 int ap_scan = atoi(cmd);
3276 return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3277 }
3278
3279
wpa_supplicant_ctrl_iface_scan_interval(struct wpa_supplicant * wpa_s,char * cmd)3280 static int wpa_supplicant_ctrl_iface_scan_interval(
3281 struct wpa_supplicant *wpa_s, char *cmd)
3282 {
3283 int scan_int = atoi(cmd);
3284 return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3285 }
3286
3287
wpa_supplicant_ctrl_iface_bss_expire_age(struct wpa_supplicant * wpa_s,char * cmd)3288 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3289 struct wpa_supplicant *wpa_s, char *cmd)
3290 {
3291 int expire_age = atoi(cmd);
3292 return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3293 }
3294
3295
wpa_supplicant_ctrl_iface_bss_expire_count(struct wpa_supplicant * wpa_s,char * cmd)3296 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3297 struct wpa_supplicant *wpa_s, char *cmd)
3298 {
3299 int expire_count = atoi(cmd);
3300 return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3301 }
3302
3303
wpa_supplicant_ctrl_iface_bss_flush(struct wpa_supplicant * wpa_s,char * cmd)3304 static int wpa_supplicant_ctrl_iface_bss_flush(
3305 struct wpa_supplicant *wpa_s, char *cmd)
3306 {
3307 int flush_age = atoi(cmd);
3308
3309 if (flush_age == 0)
3310 wpa_bss_flush(wpa_s);
3311 else
3312 wpa_bss_flush_by_age(wpa_s, flush_age);
3313 return 0;
3314 }
3315
3316
wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant * wpa_s)3317 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3318 {
3319 wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3320 /* MLME-DELETEKEYS.request */
3321 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3322 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3323 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3324 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3325 #ifdef CONFIG_IEEE80211W
3326 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3327 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3328 #endif /* CONFIG_IEEE80211W */
3329
3330 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3331 0);
3332 /* MLME-SETPROTECTION.request(None) */
3333 wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3334 MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3335 MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3336 wpa_sm_drop_sa(wpa_s->wpa);
3337 }
3338
3339
wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant * wpa_s,char * addr)3340 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3341 char *addr)
3342 {
3343 #ifdef CONFIG_NO_SCAN_PROCESSING
3344 return -1;
3345 #else /* CONFIG_NO_SCAN_PROCESSING */
3346 u8 bssid[ETH_ALEN];
3347 struct wpa_bss *bss;
3348 struct wpa_ssid *ssid = wpa_s->current_ssid;
3349
3350 if (hwaddr_aton(addr, bssid)) {
3351 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3352 "address '%s'", addr);
3353 return -1;
3354 }
3355
3356 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3357
3358 bss = wpa_bss_get_bssid(wpa_s, bssid);
3359 if (!bss) {
3360 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3361 "from BSS table");
3362 return -1;
3363 }
3364
3365 /*
3366 * TODO: Find best network configuration block from configuration to
3367 * allow roaming to other networks
3368 */
3369
3370 if (!ssid) {
3371 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3372 "configuration known for the target AP");
3373 return -1;
3374 }
3375
3376 wpa_s->reassociate = 1;
3377 wpa_supplicant_connect(wpa_s, bss, ssid);
3378
3379 return 0;
3380 #endif /* CONFIG_NO_SCAN_PROCESSING */
3381 }
3382
3383
3384 #ifdef CONFIG_P2P
p2p_ctrl_find(struct wpa_supplicant * wpa_s,char * cmd)3385 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3386 {
3387 unsigned int timeout = atoi(cmd);
3388 enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3389 u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3390 char *pos;
3391 unsigned int search_delay;
3392
3393 if (os_strstr(cmd, "type=social"))
3394 type = P2P_FIND_ONLY_SOCIAL;
3395 else if (os_strstr(cmd, "type=progressive"))
3396 type = P2P_FIND_PROGRESSIVE;
3397
3398 pos = os_strstr(cmd, "dev_id=");
3399 if (pos) {
3400 pos += 7;
3401 if (hwaddr_aton(pos, dev_id))
3402 return -1;
3403 _dev_id = dev_id;
3404 }
3405
3406 pos = os_strstr(cmd, "delay=");
3407 if (pos) {
3408 pos += 6;
3409 search_delay = atoi(pos);
3410 } else
3411 search_delay = wpas_p2p_search_delay(wpa_s);
3412
3413 return wpas_p2p_find(wpa_s, timeout, type, 0, NULL, _dev_id,
3414 search_delay);
3415 }
3416
3417
p2p_ctrl_connect(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)3418 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3419 char *buf, size_t buflen)
3420 {
3421 u8 addr[ETH_ALEN];
3422 char *pos, *pos2;
3423 char *pin = NULL;
3424 enum p2p_wps_method wps_method;
3425 int new_pin;
3426 int ret;
3427 int persistent_group, persistent_id = -1;
3428 int join;
3429 int auth;
3430 int automatic;
3431 int go_intent = -1;
3432 int freq = 0;
3433 int pd;
3434 int ht40;
3435
3436 /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3437 * [persistent|persistent=<network id>]
3438 * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3439 * [ht40] */
3440
3441 if (hwaddr_aton(cmd, addr))
3442 return -1;
3443
3444 pos = cmd + 17;
3445 if (*pos != ' ')
3446 return -1;
3447 pos++;
3448
3449 persistent_group = os_strstr(pos, " persistent") != NULL;
3450 pos2 = os_strstr(pos, " persistent=");
3451 if (pos2) {
3452 struct wpa_ssid *ssid;
3453 persistent_id = atoi(pos2 + 12);
3454 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3455 if (ssid == NULL || ssid->disabled != 2 ||
3456 ssid->mode != WPAS_MODE_P2P_GO) {
3457 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3458 "SSID id=%d for persistent P2P group (GO)",
3459 persistent_id);
3460 return -1;
3461 }
3462 }
3463 join = os_strstr(pos, " join") != NULL;
3464 auth = os_strstr(pos, " auth") != NULL;
3465 automatic = os_strstr(pos, " auto") != NULL;
3466 pd = os_strstr(pos, " provdisc") != NULL;
3467 ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3468
3469 pos2 = os_strstr(pos, " go_intent=");
3470 if (pos2) {
3471 pos2 += 11;
3472 go_intent = atoi(pos2);
3473 if (go_intent < 0 || go_intent > 15)
3474 return -1;
3475 }
3476
3477 pos2 = os_strstr(pos, " freq=");
3478 if (pos2) {
3479 pos2 += 6;
3480 freq = atoi(pos2);
3481 if (freq <= 0)
3482 return -1;
3483 }
3484
3485 if (os_strncmp(pos, "pin", 3) == 0) {
3486 /* Request random PIN (to be displayed) and enable the PIN */
3487 wps_method = WPS_PIN_DISPLAY;
3488 } else if (os_strncmp(pos, "pbc", 3) == 0) {
3489 wps_method = WPS_PBC;
3490 } else {
3491 pin = pos;
3492 pos = os_strchr(pin, ' ');
3493 wps_method = WPS_PIN_KEYPAD;
3494 if (pos) {
3495 *pos++ = '\0';
3496 if (os_strncmp(pos, "display", 7) == 0)
3497 wps_method = WPS_PIN_DISPLAY;
3498 }
3499 if (!wps_pin_str_valid(pin)) {
3500 os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
3501 return 17;
3502 }
3503 }
3504
3505 new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
3506 persistent_group, automatic, join,
3507 auth, go_intent, freq, persistent_id, pd,
3508 ht40);
3509 if (new_pin == -2) {
3510 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
3511 return 25;
3512 }
3513 if (new_pin == -3) {
3514 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
3515 return 25;
3516 }
3517 if (new_pin < 0)
3518 return -1;
3519 if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
3520 ret = os_snprintf(buf, buflen, "%08d", new_pin);
3521 if (ret < 0 || (size_t) ret >= buflen)
3522 return -1;
3523 return ret;
3524 }
3525
3526 os_memcpy(buf, "OK\n", 3);
3527 return 3;
3528 }
3529
3530
p2p_ctrl_listen(struct wpa_supplicant * wpa_s,char * cmd)3531 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
3532 {
3533 unsigned int timeout = atoi(cmd);
3534 return wpas_p2p_listen(wpa_s, timeout);
3535 }
3536
3537
p2p_ctrl_prov_disc(struct wpa_supplicant * wpa_s,char * cmd)3538 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
3539 {
3540 u8 addr[ETH_ALEN];
3541 char *pos;
3542 enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
3543
3544 /* <addr> <config method> [join|auto] */
3545
3546 if (hwaddr_aton(cmd, addr))
3547 return -1;
3548
3549 pos = cmd + 17;
3550 if (*pos != ' ')
3551 return -1;
3552 pos++;
3553
3554 if (os_strstr(pos, " join") != NULL)
3555 use = WPAS_P2P_PD_FOR_JOIN;
3556 else if (os_strstr(pos, " auto") != NULL)
3557 use = WPAS_P2P_PD_AUTO;
3558
3559 return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
3560 }
3561
3562
p2p_get_passphrase(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)3563 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
3564 size_t buflen)
3565 {
3566 struct wpa_ssid *ssid = wpa_s->current_ssid;
3567
3568 if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3569 ssid->passphrase == NULL)
3570 return -1;
3571
3572 os_strlcpy(buf, ssid->passphrase, buflen);
3573 return os_strlen(buf);
3574 }
3575
3576
p2p_ctrl_serv_disc_req(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)3577 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
3578 char *buf, size_t buflen)
3579 {
3580 u64 ref;
3581 int res;
3582 u8 dst_buf[ETH_ALEN], *dst;
3583 struct wpabuf *tlvs;
3584 char *pos;
3585 size_t len;
3586
3587 if (hwaddr_aton(cmd, dst_buf))
3588 return -1;
3589 dst = dst_buf;
3590 if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
3591 dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
3592 dst = NULL;
3593 pos = cmd + 17;
3594 if (*pos != ' ')
3595 return -1;
3596 pos++;
3597
3598 if (os_strncmp(pos, "upnp ", 5) == 0) {
3599 u8 version;
3600 pos += 5;
3601 if (hexstr2bin(pos, &version, 1) < 0)
3602 return -1;
3603 pos += 2;
3604 if (*pos != ' ')
3605 return -1;
3606 pos++;
3607 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
3608 #ifdef CONFIG_WIFI_DISPLAY
3609 } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
3610 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
3611 #endif /* CONFIG_WIFI_DISPLAY */
3612 } else {
3613 len = os_strlen(pos);
3614 if (len & 1)
3615 return -1;
3616 len /= 2;
3617 tlvs = wpabuf_alloc(len);
3618 if (tlvs == NULL)
3619 return -1;
3620 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
3621 wpabuf_free(tlvs);
3622 return -1;
3623 }
3624
3625 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
3626 wpabuf_free(tlvs);
3627 }
3628 if (ref == 0)
3629 return -1;
3630 res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
3631 if (res < 0 || (unsigned) res >= buflen)
3632 return -1;
3633 return res;
3634 }
3635
3636
p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant * wpa_s,char * cmd)3637 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
3638 char *cmd)
3639 {
3640 long long unsigned val;
3641 u64 req;
3642 if (sscanf(cmd, "%llx", &val) != 1)
3643 return -1;
3644 req = val;
3645 return wpas_p2p_sd_cancel_request(wpa_s, req);
3646 }
3647
3648
p2p_ctrl_serv_disc_resp(struct wpa_supplicant * wpa_s,char * cmd)3649 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
3650 {
3651 int freq;
3652 u8 dst[ETH_ALEN];
3653 u8 dialog_token;
3654 struct wpabuf *resp_tlvs;
3655 char *pos, *pos2;
3656 size_t len;
3657
3658 pos = os_strchr(cmd, ' ');
3659 if (pos == NULL)
3660 return -1;
3661 *pos++ = '\0';
3662 freq = atoi(cmd);
3663 if (freq == 0)
3664 return -1;
3665
3666 if (hwaddr_aton(pos, dst))
3667 return -1;
3668 pos += 17;
3669 if (*pos != ' ')
3670 return -1;
3671 pos++;
3672
3673 pos2 = os_strchr(pos, ' ');
3674 if (pos2 == NULL)
3675 return -1;
3676 *pos2++ = '\0';
3677 dialog_token = atoi(pos);
3678
3679 len = os_strlen(pos2);
3680 if (len & 1)
3681 return -1;
3682 len /= 2;
3683 resp_tlvs = wpabuf_alloc(len);
3684 if (resp_tlvs == NULL)
3685 return -1;
3686 if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
3687 wpabuf_free(resp_tlvs);
3688 return -1;
3689 }
3690
3691 wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
3692 wpabuf_free(resp_tlvs);
3693 return 0;
3694 }
3695
3696
p2p_ctrl_serv_disc_external(struct wpa_supplicant * wpa_s,char * cmd)3697 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
3698 char *cmd)
3699 {
3700 if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
3701 return -1;
3702 wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
3703 return 0;
3704 }
3705
3706
p2p_ctrl_service_add_bonjour(struct wpa_supplicant * wpa_s,char * cmd)3707 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
3708 char *cmd)
3709 {
3710 char *pos;
3711 size_t len;
3712 struct wpabuf *query, *resp;
3713
3714 pos = os_strchr(cmd, ' ');
3715 if (pos == NULL)
3716 return -1;
3717 *pos++ = '\0';
3718
3719 len = os_strlen(cmd);
3720 if (len & 1)
3721 return -1;
3722 len /= 2;
3723 query = wpabuf_alloc(len);
3724 if (query == NULL)
3725 return -1;
3726 if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3727 wpabuf_free(query);
3728 return -1;
3729 }
3730
3731 len = os_strlen(pos);
3732 if (len & 1) {
3733 wpabuf_free(query);
3734 return -1;
3735 }
3736 len /= 2;
3737 resp = wpabuf_alloc(len);
3738 if (resp == NULL) {
3739 wpabuf_free(query);
3740 return -1;
3741 }
3742 if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
3743 wpabuf_free(query);
3744 wpabuf_free(resp);
3745 return -1;
3746 }
3747
3748 if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
3749 wpabuf_free(query);
3750 wpabuf_free(resp);
3751 return -1;
3752 }
3753 return 0;
3754 }
3755
3756
p2p_ctrl_service_add_upnp(struct wpa_supplicant * wpa_s,char * cmd)3757 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3758 {
3759 char *pos;
3760 u8 version;
3761
3762 pos = os_strchr(cmd, ' ');
3763 if (pos == NULL)
3764 return -1;
3765 *pos++ = '\0';
3766
3767 if (hexstr2bin(cmd, &version, 1) < 0)
3768 return -1;
3769
3770 return wpas_p2p_service_add_upnp(wpa_s, version, pos);
3771 }
3772
3773
p2p_ctrl_service_add(struct wpa_supplicant * wpa_s,char * cmd)3774 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
3775 {
3776 char *pos;
3777
3778 pos = os_strchr(cmd, ' ');
3779 if (pos == NULL)
3780 return -1;
3781 *pos++ = '\0';
3782
3783 if (os_strcmp(cmd, "bonjour") == 0)
3784 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
3785 if (os_strcmp(cmd, "upnp") == 0)
3786 return p2p_ctrl_service_add_upnp(wpa_s, pos);
3787 wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3788 return -1;
3789 }
3790
3791
p2p_ctrl_service_del_bonjour(struct wpa_supplicant * wpa_s,char * cmd)3792 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
3793 char *cmd)
3794 {
3795 size_t len;
3796 struct wpabuf *query;
3797 int ret;
3798
3799 len = os_strlen(cmd);
3800 if (len & 1)
3801 return -1;
3802 len /= 2;
3803 query = wpabuf_alloc(len);
3804 if (query == NULL)
3805 return -1;
3806 if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3807 wpabuf_free(query);
3808 return -1;
3809 }
3810
3811 ret = wpas_p2p_service_del_bonjour(wpa_s, query);
3812 wpabuf_free(query);
3813 return ret;
3814 }
3815
3816
p2p_ctrl_service_del_upnp(struct wpa_supplicant * wpa_s,char * cmd)3817 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3818 {
3819 char *pos;
3820 u8 version;
3821
3822 pos = os_strchr(cmd, ' ');
3823 if (pos == NULL)
3824 return -1;
3825 *pos++ = '\0';
3826
3827 if (hexstr2bin(cmd, &version, 1) < 0)
3828 return -1;
3829
3830 return wpas_p2p_service_del_upnp(wpa_s, version, pos);
3831 }
3832
3833
p2p_ctrl_service_del(struct wpa_supplicant * wpa_s,char * cmd)3834 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
3835 {
3836 char *pos;
3837
3838 pos = os_strchr(cmd, ' ');
3839 if (pos == NULL)
3840 return -1;
3841 *pos++ = '\0';
3842
3843 if (os_strcmp(cmd, "bonjour") == 0)
3844 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
3845 if (os_strcmp(cmd, "upnp") == 0)
3846 return p2p_ctrl_service_del_upnp(wpa_s, pos);
3847 wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3848 return -1;
3849 }
3850
3851
p2p_ctrl_reject(struct wpa_supplicant * wpa_s,char * cmd)3852 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
3853 {
3854 u8 addr[ETH_ALEN];
3855
3856 /* <addr> */
3857
3858 if (hwaddr_aton(cmd, addr))
3859 return -1;
3860
3861 return wpas_p2p_reject(wpa_s, addr);
3862 }
3863
3864
p2p_ctrl_invite_persistent(struct wpa_supplicant * wpa_s,char * cmd)3865 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
3866 {
3867 char *pos;
3868 int id;
3869 struct wpa_ssid *ssid;
3870 u8 *_peer = NULL, peer[ETH_ALEN];
3871 int freq = 0;
3872 int ht40;
3873
3874 id = atoi(cmd);
3875 pos = os_strstr(cmd, " peer=");
3876 if (pos) {
3877 pos += 6;
3878 if (hwaddr_aton(pos, peer))
3879 return -1;
3880 _peer = peer;
3881 }
3882 ssid = wpa_config_get_network(wpa_s->conf, id);
3883 if (ssid == NULL || ssid->disabled != 2) {
3884 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
3885 "for persistent P2P group",
3886 id);
3887 return -1;
3888 }
3889
3890 pos = os_strstr(cmd, " freq=");
3891 if (pos) {
3892 pos += 6;
3893 freq = atoi(pos);
3894 if (freq <= 0)
3895 return -1;
3896 }
3897
3898 ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3899
3900 return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40);
3901 }
3902
3903
p2p_ctrl_invite_group(struct wpa_supplicant * wpa_s,char * cmd)3904 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
3905 {
3906 char *pos;
3907 u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
3908
3909 pos = os_strstr(cmd, " peer=");
3910 if (!pos)
3911 return -1;
3912
3913 *pos = '\0';
3914 pos += 6;
3915 if (hwaddr_aton(pos, peer)) {
3916 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
3917 return -1;
3918 }
3919
3920 pos = os_strstr(pos, " go_dev_addr=");
3921 if (pos) {
3922 pos += 13;
3923 if (hwaddr_aton(pos, go_dev_addr)) {
3924 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
3925 pos);
3926 return -1;
3927 }
3928 go_dev = go_dev_addr;
3929 }
3930
3931 return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
3932 }
3933
3934
p2p_ctrl_invite(struct wpa_supplicant * wpa_s,char * cmd)3935 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
3936 {
3937 if (os_strncmp(cmd, "persistent=", 11) == 0)
3938 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
3939 if (os_strncmp(cmd, "group=", 6) == 0)
3940 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
3941
3942 return -1;
3943 }
3944
3945
p2p_ctrl_group_add_persistent(struct wpa_supplicant * wpa_s,char * cmd,int freq,int ht40)3946 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
3947 char *cmd, int freq, int ht40)
3948 {
3949 int id;
3950 struct wpa_ssid *ssid;
3951
3952 id = atoi(cmd);
3953 ssid = wpa_config_get_network(wpa_s->conf, id);
3954 if (ssid == NULL || ssid->disabled != 2) {
3955 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
3956 "for persistent P2P group",
3957 id);
3958 return -1;
3959 }
3960
3961 return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40);
3962 }
3963
3964
p2p_ctrl_group_add(struct wpa_supplicant * wpa_s,char * cmd)3965 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
3966 {
3967 int freq = 0, ht40;
3968 char *pos;
3969
3970 pos = os_strstr(cmd, "freq=");
3971 if (pos)
3972 freq = atoi(pos + 5);
3973
3974 ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3975
3976 if (os_strncmp(cmd, "persistent=", 11) == 0)
3977 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
3978 ht40);
3979 if (os_strcmp(cmd, "persistent") == 0 ||
3980 os_strncmp(cmd, "persistent ", 11) == 0)
3981 return wpas_p2p_group_add(wpa_s, 1, freq, ht40);
3982 if (os_strncmp(cmd, "freq=", 5) == 0)
3983 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
3984 if (ht40)
3985 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
3986
3987 wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
3988 cmd);
3989 return -1;
3990 }
3991
3992
p2p_ctrl_peer(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)3993 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
3994 char *buf, size_t buflen)
3995 {
3996 u8 addr[ETH_ALEN], *addr_ptr;
3997 int next, res;
3998 const struct p2p_peer_info *info;
3999 char *pos, *end;
4000 char devtype[WPS_DEV_TYPE_BUFSIZE];
4001 struct wpa_ssid *ssid;
4002 size_t i;
4003
4004 if (!wpa_s->global->p2p)
4005 return -1;
4006
4007 if (os_strcmp(cmd, "FIRST") == 0) {
4008 addr_ptr = NULL;
4009 next = 0;
4010 } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4011 if (hwaddr_aton(cmd + 5, addr) < 0)
4012 return -1;
4013 addr_ptr = addr;
4014 next = 1;
4015 } else {
4016 if (hwaddr_aton(cmd, addr) < 0)
4017 return -1;
4018 addr_ptr = addr;
4019 next = 0;
4020 }
4021
4022 info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4023 if (info == NULL)
4024 return -1;
4025
4026 pos = buf;
4027 end = buf + buflen;
4028
4029 res = os_snprintf(pos, end - pos, MACSTR "\n"
4030 "pri_dev_type=%s\n"
4031 "device_name=%s\n"
4032 "manufacturer=%s\n"
4033 "model_name=%s\n"
4034 "model_number=%s\n"
4035 "serial_number=%s\n"
4036 "config_methods=0x%x\n"
4037 "dev_capab=0x%x\n"
4038 "group_capab=0x%x\n"
4039 "level=%d\n",
4040 MAC2STR(info->p2p_device_addr),
4041 wps_dev_type_bin2str(info->pri_dev_type,
4042 devtype, sizeof(devtype)),
4043 info->device_name,
4044 info->manufacturer,
4045 info->model_name,
4046 info->model_number,
4047 info->serial_number,
4048 info->config_methods,
4049 info->dev_capab,
4050 info->group_capab,
4051 info->level);
4052 if (res < 0 || res >= end - pos)
4053 return pos - buf;
4054 pos += res;
4055
4056 for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4057 {
4058 const u8 *t;
4059 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4060 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4061 wps_dev_type_bin2str(t, devtype,
4062 sizeof(devtype)));
4063 if (res < 0 || res >= end - pos)
4064 return pos - buf;
4065 pos += res;
4066 }
4067
4068 ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4069 if (ssid) {
4070 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4071 if (res < 0 || res >= end - pos)
4072 return pos - buf;
4073 pos += res;
4074 }
4075
4076 res = p2p_get_peer_info_txt(info, pos, end - pos);
4077 if (res < 0)
4078 return pos - buf;
4079 pos += res;
4080
4081 return pos - buf;
4082 }
4083
4084
p2p_ctrl_disallow_freq(struct wpa_supplicant * wpa_s,const char * param)4085 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4086 const char *param)
4087 {
4088 struct wpa_freq_range *freq = NULL, *n;
4089 unsigned int count = 0, i;
4090 const char *pos, *pos2, *pos3;
4091
4092 if (wpa_s->global->p2p == NULL)
4093 return -1;
4094
4095 /*
4096 * param includes comma separated frequency range.
4097 * For example: 2412-2432,2462,5000-6000
4098 */
4099 pos = param;
4100 while (pos && pos[0]) {
4101 n = os_realloc_array(freq, count + 1,
4102 sizeof(struct wpa_freq_range));
4103 if (n == NULL) {
4104 os_free(freq);
4105 return -1;
4106 }
4107 freq = n;
4108 freq[count].min = atoi(pos);
4109 pos2 = os_strchr(pos, '-');
4110 pos3 = os_strchr(pos, ',');
4111 if (pos2 && (!pos3 || pos2 < pos3)) {
4112 pos2++;
4113 freq[count].max = atoi(pos2);
4114 } else
4115 freq[count].max = freq[count].min;
4116 pos = pos3;
4117 if (pos)
4118 pos++;
4119 count++;
4120 }
4121
4122 for (i = 0; i < count; i++) {
4123 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4124 freq[i].min, freq[i].max);
4125 }
4126
4127 os_free(wpa_s->global->p2p_disallow_freq);
4128 wpa_s->global->p2p_disallow_freq = freq;
4129 wpa_s->global->num_p2p_disallow_freq = count;
4130 wpas_p2p_update_channel_list(wpa_s);
4131 return 0;
4132 }
4133
4134
p2p_ctrl_set(struct wpa_supplicant * wpa_s,char * cmd)4135 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4136 {
4137 char *param;
4138
4139 if (wpa_s->global->p2p == NULL)
4140 return -1;
4141
4142 param = os_strchr(cmd, ' ');
4143 if (param == NULL)
4144 return -1;
4145 *param++ = '\0';
4146
4147 if (os_strcmp(cmd, "discoverability") == 0) {
4148 p2p_set_client_discoverability(wpa_s->global->p2p,
4149 atoi(param));
4150 return 0;
4151 }
4152
4153 if (os_strcmp(cmd, "managed") == 0) {
4154 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4155 return 0;
4156 }
4157
4158 if (os_strcmp(cmd, "listen_channel") == 0) {
4159 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4160 atoi(param));
4161 }
4162
4163 if (os_strcmp(cmd, "ssid_postfix") == 0) {
4164 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4165 os_strlen(param));
4166 }
4167
4168 if (os_strcmp(cmd, "noa") == 0) {
4169 char *pos;
4170 int count, start, duration;
4171 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4172 count = atoi(param);
4173 pos = os_strchr(param, ',');
4174 if (pos == NULL)
4175 return -1;
4176 pos++;
4177 start = atoi(pos);
4178 pos = os_strchr(pos, ',');
4179 if (pos == NULL)
4180 return -1;
4181 pos++;
4182 duration = atoi(pos);
4183 if (count < 0 || count > 255 || start < 0 || duration < 0)
4184 return -1;
4185 if (count == 0 && duration > 0)
4186 return -1;
4187 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4188 "start=%d duration=%d", count, start, duration);
4189 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4190 }
4191
4192 if (os_strcmp(cmd, "ps") == 0)
4193 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4194
4195 if (os_strcmp(cmd, "oppps") == 0)
4196 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4197
4198 if (os_strcmp(cmd, "ctwindow") == 0)
4199 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4200
4201 if (os_strcmp(cmd, "disabled") == 0) {
4202 wpa_s->global->p2p_disabled = atoi(param);
4203 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4204 wpa_s->global->p2p_disabled ?
4205 "disabled" : "enabled");
4206 if (wpa_s->global->p2p_disabled) {
4207 wpas_p2p_stop_find(wpa_s);
4208 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4209 p2p_flush(wpa_s->global->p2p);
4210 }
4211 return 0;
4212 }
4213
4214 if (os_strcmp(cmd, "conc_pref") == 0) {
4215 if (os_strcmp(param, "sta") == 0)
4216 wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4217 else if (os_strcmp(param, "p2p") == 0)
4218 wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4219 else {
4220 wpa_printf(MSG_INFO, "Invalid conc_pref value");
4221 return -1;
4222 }
4223 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4224 "%s", param);
4225 return 0;
4226 }
4227
4228 if (os_strcmp(cmd, "force_long_sd") == 0) {
4229 wpa_s->force_long_sd = atoi(param);
4230 return 0;
4231 }
4232
4233 if (os_strcmp(cmd, "peer_filter") == 0) {
4234 u8 addr[ETH_ALEN];
4235 if (hwaddr_aton(param, addr))
4236 return -1;
4237 p2p_set_peer_filter(wpa_s->global->p2p, addr);
4238 return 0;
4239 }
4240
4241 if (os_strcmp(cmd, "cross_connect") == 0)
4242 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4243
4244 if (os_strcmp(cmd, "go_apsd") == 0) {
4245 if (os_strcmp(param, "disable") == 0)
4246 wpa_s->set_ap_uapsd = 0;
4247 else {
4248 wpa_s->set_ap_uapsd = 1;
4249 wpa_s->ap_uapsd = atoi(param);
4250 }
4251 return 0;
4252 }
4253
4254 if (os_strcmp(cmd, "client_apsd") == 0) {
4255 if (os_strcmp(param, "disable") == 0)
4256 wpa_s->set_sta_uapsd = 0;
4257 else {
4258 int be, bk, vi, vo;
4259 char *pos;
4260 /* format: BE,BK,VI,VO;max SP Length */
4261 be = atoi(param);
4262 pos = os_strchr(param, ',');
4263 if (pos == NULL)
4264 return -1;
4265 pos++;
4266 bk = atoi(pos);
4267 pos = os_strchr(pos, ',');
4268 if (pos == NULL)
4269 return -1;
4270 pos++;
4271 vi = atoi(pos);
4272 pos = os_strchr(pos, ',');
4273 if (pos == NULL)
4274 return -1;
4275 pos++;
4276 vo = atoi(pos);
4277 /* ignore max SP Length for now */
4278
4279 wpa_s->set_sta_uapsd = 1;
4280 wpa_s->sta_uapsd = 0;
4281 if (be)
4282 wpa_s->sta_uapsd |= BIT(0);
4283 if (bk)
4284 wpa_s->sta_uapsd |= BIT(1);
4285 if (vi)
4286 wpa_s->sta_uapsd |= BIT(2);
4287 if (vo)
4288 wpa_s->sta_uapsd |= BIT(3);
4289 }
4290 return 0;
4291 }
4292
4293 if (os_strcmp(cmd, "disallow_freq") == 0)
4294 return p2p_ctrl_disallow_freq(wpa_s, param);
4295
4296 if (os_strcmp(cmd, "disc_int") == 0) {
4297 int min_disc_int, max_disc_int, max_disc_tu;
4298 char *pos;
4299
4300 pos = param;
4301
4302 min_disc_int = atoi(pos);
4303 pos = os_strchr(pos, ' ');
4304 if (pos == NULL)
4305 return -1;
4306 *pos++ = '\0';
4307
4308 max_disc_int = atoi(pos);
4309 pos = os_strchr(pos, ' ');
4310 if (pos == NULL)
4311 return -1;
4312 *pos++ = '\0';
4313
4314 max_disc_tu = atoi(pos);
4315
4316 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
4317 max_disc_int, max_disc_tu);
4318 }
4319
4320 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
4321 cmd);
4322
4323 return -1;
4324 }
4325
4326
p2p_ctrl_presence_req(struct wpa_supplicant * wpa_s,char * cmd)4327 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
4328 {
4329 char *pos, *pos2;
4330 unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
4331
4332 if (cmd[0]) {
4333 pos = os_strchr(cmd, ' ');
4334 if (pos == NULL)
4335 return -1;
4336 *pos++ = '\0';
4337 dur1 = atoi(cmd);
4338
4339 pos2 = os_strchr(pos, ' ');
4340 if (pos2)
4341 *pos2++ = '\0';
4342 int1 = atoi(pos);
4343 } else
4344 pos2 = NULL;
4345
4346 if (pos2) {
4347 pos = os_strchr(pos2, ' ');
4348 if (pos == NULL)
4349 return -1;
4350 *pos++ = '\0';
4351 dur2 = atoi(pos2);
4352 int2 = atoi(pos);
4353 }
4354
4355 return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
4356 }
4357
4358
p2p_ctrl_ext_listen(struct wpa_supplicant * wpa_s,char * cmd)4359 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
4360 {
4361 char *pos;
4362 unsigned int period = 0, interval = 0;
4363
4364 if (cmd[0]) {
4365 pos = os_strchr(cmd, ' ');
4366 if (pos == NULL)
4367 return -1;
4368 *pos++ = '\0';
4369 period = atoi(cmd);
4370 interval = atoi(pos);
4371 }
4372
4373 return wpas_p2p_ext_listen(wpa_s, period, interval);
4374 }
4375
4376 #endif /* CONFIG_P2P */
4377
4378
4379 #ifdef CONFIG_INTERWORKING
ctrl_interworking_connect(struct wpa_supplicant * wpa_s,char * dst)4380 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
4381 {
4382 u8 bssid[ETH_ALEN];
4383 struct wpa_bss *bss;
4384
4385 if (hwaddr_aton(dst, bssid)) {
4386 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
4387 return -1;
4388 }
4389
4390 bss = wpa_bss_get_bssid(wpa_s, bssid);
4391 if (bss == NULL) {
4392 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
4393 MAC2STR(bssid));
4394 return -1;
4395 }
4396
4397 return interworking_connect(wpa_s, bss);
4398 }
4399
4400
get_anqp(struct wpa_supplicant * wpa_s,char * dst)4401 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
4402 {
4403 u8 dst_addr[ETH_ALEN];
4404 int used;
4405 char *pos;
4406 #define MAX_ANQP_INFO_ID 100
4407 u16 id[MAX_ANQP_INFO_ID];
4408 size_t num_id = 0;
4409
4410 used = hwaddr_aton2(dst, dst_addr);
4411 if (used < 0)
4412 return -1;
4413 pos = dst + used;
4414 while (num_id < MAX_ANQP_INFO_ID) {
4415 id[num_id] = atoi(pos);
4416 if (id[num_id])
4417 num_id++;
4418 pos = os_strchr(pos + 1, ',');
4419 if (pos == NULL)
4420 break;
4421 pos++;
4422 }
4423
4424 if (num_id == 0)
4425 return -1;
4426
4427 return anqp_send_req(wpa_s, dst_addr, id, num_id);
4428 }
4429
4430
gas_request(struct wpa_supplicant * wpa_s,char * cmd)4431 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
4432 {
4433 u8 dst_addr[ETH_ALEN];
4434 struct wpabuf *advproto, *query = NULL;
4435 int used, ret = -1;
4436 char *pos, *end;
4437 size_t len;
4438
4439 used = hwaddr_aton2(cmd, dst_addr);
4440 if (used < 0)
4441 return -1;
4442
4443 pos = cmd + used;
4444 while (*pos == ' ')
4445 pos++;
4446
4447 /* Advertisement Protocol ID */
4448 end = os_strchr(pos, ' ');
4449 if (end)
4450 len = end - pos;
4451 else
4452 len = os_strlen(pos);
4453 if (len & 0x01)
4454 return -1;
4455 len /= 2;
4456 if (len == 0)
4457 return -1;
4458 advproto = wpabuf_alloc(len);
4459 if (advproto == NULL)
4460 return -1;
4461 if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
4462 goto fail;
4463
4464 if (end) {
4465 /* Optional Query Request */
4466 pos = end + 1;
4467 while (*pos == ' ')
4468 pos++;
4469
4470 len = os_strlen(pos);
4471 if (len) {
4472 if (len & 0x01)
4473 goto fail;
4474 len /= 2;
4475 if (len == 0)
4476 goto fail;
4477 query = wpabuf_alloc(len);
4478 if (query == NULL)
4479 goto fail;
4480 if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
4481 goto fail;
4482 }
4483 }
4484
4485 ret = gas_send_request(wpa_s, dst_addr, advproto, query);
4486
4487 fail:
4488 wpabuf_free(advproto);
4489 wpabuf_free(query);
4490
4491 return ret;
4492 }
4493
4494
gas_response_get(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)4495 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
4496 size_t buflen)
4497 {
4498 u8 addr[ETH_ALEN];
4499 int dialog_token;
4500 int used;
4501 char *pos;
4502 size_t resp_len, start, requested_len;
4503
4504 if (!wpa_s->last_gas_resp)
4505 return -1;
4506
4507 used = hwaddr_aton2(cmd, addr);
4508 if (used < 0)
4509 return -1;
4510
4511 pos = cmd + used;
4512 while (*pos == ' ')
4513 pos++;
4514 dialog_token = atoi(pos);
4515
4516 if (os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) != 0 ||
4517 dialog_token != wpa_s->last_gas_dialog_token)
4518 return -1;
4519
4520 resp_len = wpabuf_len(wpa_s->last_gas_resp);
4521 start = 0;
4522 requested_len = resp_len;
4523
4524 pos = os_strchr(pos, ' ');
4525 if (pos) {
4526 start = atoi(pos);
4527 if (start > resp_len)
4528 return os_snprintf(buf, buflen, "FAIL-Invalid range");
4529 pos = os_strchr(pos, ',');
4530 if (pos == NULL)
4531 return -1;
4532 pos++;
4533 requested_len = atoi(pos);
4534 if (start + requested_len > resp_len)
4535 return os_snprintf(buf, buflen, "FAIL-Invalid range");
4536 }
4537
4538 if (requested_len * 2 + 1 > buflen)
4539 return os_snprintf(buf, buflen, "FAIL-Too long response");
4540
4541 return wpa_snprintf_hex(buf, buflen,
4542 wpabuf_head_u8(wpa_s->last_gas_resp) + start,
4543 requested_len);
4544 }
4545 #endif /* CONFIG_INTERWORKING */
4546
4547
4548 #ifdef CONFIG_HS20
4549
get_hs20_anqp(struct wpa_supplicant * wpa_s,char * dst)4550 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
4551 {
4552 u8 dst_addr[ETH_ALEN];
4553 int used;
4554 char *pos;
4555 u32 subtypes = 0;
4556
4557 used = hwaddr_aton2(dst, dst_addr);
4558 if (used < 0)
4559 return -1;
4560 pos = dst + used;
4561 for (;;) {
4562 int num = atoi(pos);
4563 if (num <= 0 || num > 31)
4564 return -1;
4565 subtypes |= BIT(num);
4566 pos = os_strchr(pos + 1, ',');
4567 if (pos == NULL)
4568 break;
4569 pos++;
4570 }
4571
4572 if (subtypes == 0)
4573 return -1;
4574
4575 return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
4576 }
4577
4578
hs20_nai_home_realm_list(struct wpa_supplicant * wpa_s,const u8 * addr,const char * realm)4579 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4580 const u8 *addr, const char *realm)
4581 {
4582 u8 *buf;
4583 size_t rlen, len;
4584 int ret;
4585
4586 rlen = os_strlen(realm);
4587 len = 3 + rlen;
4588 buf = os_malloc(len);
4589 if (buf == NULL)
4590 return -1;
4591 buf[0] = 1; /* NAI Home Realm Count */
4592 buf[1] = 0; /* Formatted in accordance with RFC 4282 */
4593 buf[2] = rlen;
4594 os_memcpy(buf + 3, realm, rlen);
4595
4596 ret = hs20_anqp_send_req(wpa_s, addr,
4597 BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4598 buf, len);
4599
4600 os_free(buf);
4601
4602 return ret;
4603 }
4604
4605
hs20_get_nai_home_realm_list(struct wpa_supplicant * wpa_s,char * dst)4606 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4607 char *dst)
4608 {
4609 struct wpa_cred *cred = wpa_s->conf->cred;
4610 u8 dst_addr[ETH_ALEN];
4611 int used;
4612 u8 *buf;
4613 size_t len;
4614 int ret;
4615
4616 used = hwaddr_aton2(dst, dst_addr);
4617 if (used < 0)
4618 return -1;
4619
4620 while (dst[used] == ' ')
4621 used++;
4622 if (os_strncmp(dst + used, "realm=", 6) == 0)
4623 return hs20_nai_home_realm_list(wpa_s, dst_addr,
4624 dst + used + 6);
4625
4626 len = os_strlen(dst + used);
4627
4628 if (len == 0 && cred && cred->realm)
4629 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
4630
4631 if (len % 1)
4632 return -1;
4633 len /= 2;
4634 buf = os_malloc(len);
4635 if (buf == NULL)
4636 return -1;
4637 if (hexstr2bin(dst + used, buf, len) < 0) {
4638 os_free(buf);
4639 return -1;
4640 }
4641
4642 ret = hs20_anqp_send_req(wpa_s, dst_addr,
4643 BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4644 buf, len);
4645 os_free(buf);
4646
4647 return ret;
4648 }
4649
4650 #endif /* CONFIG_HS20 */
4651
4652
wpa_supplicant_ctrl_iface_sta_autoconnect(struct wpa_supplicant * wpa_s,char * cmd)4653 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
4654 struct wpa_supplicant *wpa_s, char *cmd)
4655 {
4656 wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
4657 return 0;
4658 }
4659
4660
4661 #ifdef CONFIG_AUTOSCAN
4662
wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant * wpa_s,char * cmd)4663 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
4664 char *cmd)
4665 {
4666 enum wpa_states state = wpa_s->wpa_state;
4667 char *new_params = NULL;
4668
4669 if (os_strlen(cmd) > 0) {
4670 new_params = os_strdup(cmd);
4671 if (new_params == NULL)
4672 return -1;
4673 }
4674
4675 os_free(wpa_s->conf->autoscan);
4676 wpa_s->conf->autoscan = new_params;
4677
4678 if (wpa_s->conf->autoscan == NULL)
4679 autoscan_deinit(wpa_s);
4680 else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
4681 autoscan_init(wpa_s, 1);
4682 else if (state == WPA_SCANNING)
4683 wpa_supplicant_reinit_autoscan(wpa_s);
4684
4685 return 0;
4686 }
4687
4688 #endif /* CONFIG_AUTOSCAN */
4689
4690
4691 #ifdef CONFIG_WNM
4692
wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant * wpa_s,char * cmd)4693 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
4694 {
4695 int enter;
4696 int intval = 0;
4697 char *pos;
4698 int ret;
4699 struct wpabuf *tfs_req = NULL;
4700
4701 if (os_strncmp(cmd, "enter", 5) == 0)
4702 enter = 1;
4703 else if (os_strncmp(cmd, "exit", 4) == 0)
4704 enter = 0;
4705 else
4706 return -1;
4707
4708 pos = os_strstr(cmd, " interval=");
4709 if (pos)
4710 intval = atoi(pos + 10);
4711
4712 pos = os_strstr(cmd, " tfs_req=");
4713 if (pos) {
4714 char *end;
4715 size_t len;
4716 pos += 9;
4717 end = os_strchr(pos, ' ');
4718 if (end)
4719 len = end - pos;
4720 else
4721 len = os_strlen(pos);
4722 if (len & 1)
4723 return -1;
4724 len /= 2;
4725 tfs_req = wpabuf_alloc(len);
4726 if (tfs_req == NULL)
4727 return -1;
4728 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
4729 wpabuf_free(tfs_req);
4730 return -1;
4731 }
4732 }
4733
4734 ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
4735 WNM_SLEEP_MODE_EXIT, intval,
4736 tfs_req);
4737 wpabuf_free(tfs_req);
4738
4739 return ret;
4740 }
4741
4742 #endif /* CONFIG_WNM */
4743
4744
wpa_supplicant_signal_poll(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)4745 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
4746 size_t buflen)
4747 {
4748 struct wpa_signal_info si;
4749 int ret;
4750
4751 ret = wpa_drv_signal_poll(wpa_s, &si);
4752 if (ret)
4753 return -1;
4754
4755 ret = os_snprintf(buf, buflen, "RSSI=%d\nLINKSPEED=%d\n"
4756 "NOISE=%d\nFREQUENCY=%u\n",
4757 si.current_signal, si.current_txrate / 1000,
4758 si.current_noise, si.frequency);
4759 if (ret < 0 || (unsigned int) ret > buflen)
4760 return -1;
4761 return ret;
4762 }
4763
4764
wpa_supplicant_pktcnt_poll(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)4765 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
4766 size_t buflen)
4767 {
4768 struct hostap_sta_driver_data sta;
4769 int ret;
4770
4771 ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
4772 if (ret)
4773 return -1;
4774
4775 ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
4776 sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
4777 if (ret < 0 || (size_t) ret > buflen)
4778 return -1;
4779 return ret;
4780 }
4781
4782
wpa_supplicant_ctrl_iface_process(struct wpa_supplicant * wpa_s,char * buf,size_t * resp_len)4783 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
4784 char *buf, size_t *resp_len)
4785 {
4786 char *reply;
4787 const int reply_size = 4096;
4788 int ctrl_rsp = 0;
4789 int reply_len;
4790
4791 if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
4792 os_strncmp(buf, "SET_NETWORK ", 12) == 0 ||
4793 os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
4794 os_strncmp(buf, "NFC_RX_HANDOVER_SEL", 19) == 0) {
4795 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
4796 (const u8 *) buf, os_strlen(buf));
4797 } else {
4798 int level = MSG_DEBUG;
4799 if (os_strcmp(buf, "PING") == 0)
4800 level = MSG_EXCESSIVE;
4801 wpa_hexdump_ascii(level, "RX ctrl_iface",
4802 (const u8 *) buf, os_strlen(buf));
4803 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
4804 }
4805
4806 reply = os_malloc(reply_size);
4807 if (reply == NULL) {
4808 *resp_len = 1;
4809 return NULL;
4810 }
4811
4812 os_memcpy(reply, "OK\n", 3);
4813 reply_len = 3;
4814
4815 if (os_strcmp(buf, "PING") == 0) {
4816 os_memcpy(reply, "PONG\n", 5);
4817 reply_len = 5;
4818 } else if (os_strcmp(buf, "IFNAME") == 0) {
4819 reply_len = os_strlen(wpa_s->ifname);
4820 os_memcpy(reply, wpa_s->ifname, reply_len);
4821 } else if (os_strncmp(buf, "RELOG", 5) == 0) {
4822 if (wpa_debug_reopen_file() < 0)
4823 reply_len = -1;
4824 } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
4825 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
4826 } else if (os_strcmp(buf, "MIB") == 0) {
4827 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
4828 if (reply_len >= 0) {
4829 int res;
4830 res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
4831 reply_size - reply_len);
4832 if (res < 0)
4833 reply_len = -1;
4834 else
4835 reply_len += res;
4836 }
4837 } else if (os_strncmp(buf, "STATUS", 6) == 0) {
4838 reply_len = wpa_supplicant_ctrl_iface_status(
4839 wpa_s, buf + 6, reply, reply_size);
4840 } else if (os_strcmp(buf, "PMKSA") == 0) {
4841 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
4842 reply_size);
4843 } else if (os_strncmp(buf, "SET ", 4) == 0) {
4844 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
4845 reply_len = -1;
4846 } else if (os_strncmp(buf, "GET ", 4) == 0) {
4847 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
4848 reply, reply_size);
4849 } else if (os_strcmp(buf, "LOGON") == 0) {
4850 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
4851 } else if (os_strcmp(buf, "LOGOFF") == 0) {
4852 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
4853 } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
4854 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4855 reply_len = -1;
4856 else
4857 wpas_request_connection(wpa_s);
4858 } else if (os_strcmp(buf, "RECONNECT") == 0) {
4859 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4860 reply_len = -1;
4861 else if (wpa_s->disconnected)
4862 wpas_request_connection(wpa_s);
4863 #ifdef IEEE8021X_EAPOL
4864 } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
4865 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
4866 reply_len = -1;
4867 #endif /* IEEE8021X_EAPOL */
4868 #ifdef CONFIG_PEERKEY
4869 } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
4870 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
4871 reply_len = -1;
4872 #endif /* CONFIG_PEERKEY */
4873 #ifdef CONFIG_IEEE80211R
4874 } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
4875 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
4876 reply_len = -1;
4877 #endif /* CONFIG_IEEE80211R */
4878 #ifdef CONFIG_WPS
4879 } else if (os_strcmp(buf, "WPS_PBC") == 0) {
4880 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
4881 if (res == -2) {
4882 os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4883 reply_len = 17;
4884 } else if (res)
4885 reply_len = -1;
4886 } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
4887 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
4888 if (res == -2) {
4889 os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4890 reply_len = 17;
4891 } else if (res)
4892 reply_len = -1;
4893 } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
4894 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
4895 reply,
4896 reply_size);
4897 } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
4898 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
4899 wpa_s, buf + 14, reply, reply_size);
4900 } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
4901 if (wpas_wps_cancel(wpa_s))
4902 reply_len = -1;
4903 #ifdef CONFIG_WPS_NFC
4904 } else if (os_strcmp(buf, "WPS_NFC") == 0) {
4905 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
4906 reply_len = -1;
4907 } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
4908 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
4909 reply_len = -1;
4910 } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
4911 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
4912 wpa_s, buf + 14, reply, reply_size);
4913 } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
4914 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
4915 buf + 17))
4916 reply_len = -1;
4917 } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
4918 reply_len = wpas_ctrl_nfc_get_handover_req(
4919 wpa_s, buf + 21, reply, reply_size);
4920 } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
4921 reply_len = wpas_ctrl_nfc_get_handover_sel(
4922 wpa_s, buf + 21, reply, reply_size);
4923 } else if (os_strncmp(buf, "NFC_RX_HANDOVER_REQ ", 20) == 0) {
4924 reply_len = wpas_ctrl_nfc_rx_handover_req(
4925 wpa_s, buf + 20, reply, reply_size);
4926 } else if (os_strncmp(buf, "NFC_RX_HANDOVER_SEL ", 20) == 0) {
4927 if (wpas_ctrl_nfc_rx_handover_sel(wpa_s, buf + 20))
4928 reply_len = -1;
4929 #endif /* CONFIG_WPS_NFC */
4930 } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
4931 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
4932 reply_len = -1;
4933 #ifdef CONFIG_AP
4934 } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
4935 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
4936 wpa_s, buf + 11, reply, reply_size);
4937 #endif /* CONFIG_AP */
4938 #ifdef CONFIG_WPS_ER
4939 } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
4940 if (wpas_wps_er_start(wpa_s, NULL))
4941 reply_len = -1;
4942 } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
4943 if (wpas_wps_er_start(wpa_s, buf + 13))
4944 reply_len = -1;
4945 } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
4946 if (wpas_wps_er_stop(wpa_s))
4947 reply_len = -1;
4948 } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
4949 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
4950 reply_len = -1;
4951 } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
4952 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
4953 if (ret == -2) {
4954 os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4955 reply_len = 17;
4956 } else if (ret == -3) {
4957 os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
4958 reply_len = 18;
4959 } else if (ret == -4) {
4960 os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
4961 reply_len = 20;
4962 } else if (ret)
4963 reply_len = -1;
4964 } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
4965 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
4966 reply_len = -1;
4967 } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
4968 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
4969 buf + 18))
4970 reply_len = -1;
4971 } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
4972 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
4973 reply_len = -1;
4974 #ifdef CONFIG_WPS_NFC
4975 } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
4976 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
4977 wpa_s, buf + 24, reply, reply_size);
4978 #endif /* CONFIG_WPS_NFC */
4979 #endif /* CONFIG_WPS_ER */
4980 #endif /* CONFIG_WPS */
4981 #ifdef CONFIG_IBSS_RSN
4982 } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
4983 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
4984 reply_len = -1;
4985 #endif /* CONFIG_IBSS_RSN */
4986 #ifdef CONFIG_P2P
4987 } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
4988 if (p2p_ctrl_find(wpa_s, buf + 9))
4989 reply_len = -1;
4990 } else if (os_strcmp(buf, "P2P_FIND") == 0) {
4991 if (p2p_ctrl_find(wpa_s, ""))
4992 reply_len = -1;
4993 } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
4994 wpas_p2p_stop_find(wpa_s);
4995 } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
4996 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
4997 reply_size);
4998 } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
4999 if (p2p_ctrl_listen(wpa_s, buf + 11))
5000 reply_len = -1;
5001 } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
5002 if (p2p_ctrl_listen(wpa_s, ""))
5003 reply_len = -1;
5004 } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
5005 if (wpas_p2p_group_remove(wpa_s, buf + 17))
5006 reply_len = -1;
5007 } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
5008 if (wpas_p2p_group_add(wpa_s, 0, 0, 0))
5009 reply_len = -1;
5010 } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
5011 if (p2p_ctrl_group_add(wpa_s, buf + 14))
5012 reply_len = -1;
5013 } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
5014 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
5015 reply_len = -1;
5016 } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
5017 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
5018 } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
5019 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
5020 reply_size);
5021 } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
5022 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
5023 reply_len = -1;
5024 } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
5025 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
5026 reply_len = -1;
5027 } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
5028 wpas_p2p_sd_service_update(wpa_s);
5029 } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
5030 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
5031 reply_len = -1;
5032 } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
5033 wpas_p2p_service_flush(wpa_s);
5034 } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
5035 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
5036 reply_len = -1;
5037 } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
5038 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
5039 reply_len = -1;
5040 } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
5041 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
5042 reply_len = -1;
5043 } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
5044 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
5045 reply_len = -1;
5046 } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
5047 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
5048 reply_size);
5049 } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
5050 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
5051 reply_len = -1;
5052 } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
5053 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5054 wpa_s->force_long_sd = 0;
5055 if (wpa_s->global->p2p)
5056 p2p_flush(wpa_s->global->p2p);
5057 } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
5058 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
5059 reply_len = -1;
5060 } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
5061 if (wpas_p2p_cancel(wpa_s))
5062 reply_len = -1;
5063 } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
5064 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
5065 reply_len = -1;
5066 } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
5067 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
5068 reply_len = -1;
5069 } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
5070 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
5071 reply_len = -1;
5072 } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
5073 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
5074 reply_len = -1;
5075 #endif /* CONFIG_P2P */
5076 #ifdef CONFIG_WIFI_DISPLAY
5077 } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
5078 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
5079 reply_len = -1;
5080 } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
5081 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
5082 reply, reply_size);
5083 #endif /* CONFIG_WIFI_DISPLAY */
5084 #ifdef CONFIG_INTERWORKING
5085 } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
5086 if (interworking_fetch_anqp(wpa_s) < 0)
5087 reply_len = -1;
5088 } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
5089 interworking_stop_fetch_anqp(wpa_s);
5090 } else if (os_strncmp(buf, "INTERWORKING_SELECT", 19) == 0) {
5091 if (interworking_select(wpa_s, os_strstr(buf + 19, "auto") !=
5092 NULL) < 0)
5093 reply_len = -1;
5094 } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
5095 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
5096 reply_len = -1;
5097 } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
5098 if (get_anqp(wpa_s, buf + 9) < 0)
5099 reply_len = -1;
5100 } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
5101 if (gas_request(wpa_s, buf + 12) < 0)
5102 reply_len = -1;
5103 } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
5104 reply_len = gas_response_get(wpa_s, buf + 17, reply,
5105 reply_size);
5106 #endif /* CONFIG_INTERWORKING */
5107 #ifdef CONFIG_HS20
5108 } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
5109 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
5110 reply_len = -1;
5111 } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
5112 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
5113 reply_len = -1;
5114 #endif /* CONFIG_HS20 */
5115 } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
5116 {
5117 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
5118 wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
5119 reply_len = -1;
5120 else
5121 ctrl_rsp = 1;
5122 } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
5123 if (wpa_supplicant_reload_configuration(wpa_s))
5124 reply_len = -1;
5125 } else if (os_strcmp(buf, "TERMINATE") == 0) {
5126 wpa_supplicant_terminate_proc(wpa_s->global);
5127 } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
5128 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
5129 reply_len = -1;
5130 } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
5131 reply_len = wpa_supplicant_ctrl_iface_blacklist(
5132 wpa_s, buf + 9, reply, reply_size);
5133 } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
5134 reply_len = wpa_supplicant_ctrl_iface_log_level(
5135 wpa_s, buf + 9, reply, reply_size);
5136 } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
5137 reply_len = wpa_supplicant_ctrl_iface_list_networks(
5138 wpa_s, reply, reply_size);
5139 } else if (os_strcmp(buf, "DISCONNECT") == 0) {
5140 #ifdef CONFIG_SME
5141 wpa_s->sme.prev_bssid_set = 0;
5142 #endif /* CONFIG_SME */
5143 wpa_s->reassociate = 0;
5144 wpa_s->disconnected = 1;
5145 wpa_supplicant_cancel_sched_scan(wpa_s);
5146 wpa_supplicant_cancel_scan(wpa_s);
5147 wpa_supplicant_deauthenticate(wpa_s,
5148 WLAN_REASON_DEAUTH_LEAVING);
5149 } else if (os_strcmp(buf, "SCAN") == 0) {
5150 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5151 reply_len = -1;
5152 else {
5153 if (!wpa_s->sched_scanning && !wpa_s->scanning &&
5154 ((wpa_s->wpa_state <= WPA_SCANNING) ||
5155 (wpa_s->wpa_state == WPA_COMPLETED))) {
5156 wpa_s->normal_scans = 0;
5157 wpa_s->scan_req = MANUAL_SCAN_REQ;
5158 wpa_supplicant_req_scan(wpa_s, 0, 0);
5159 } else if (wpa_s->sched_scanning) {
5160 wpa_printf(MSG_DEBUG, "Stop ongoing "
5161 "sched_scan to allow requested "
5162 "full scan to proceed");
5163 wpa_supplicant_cancel_sched_scan(wpa_s);
5164 wpa_s->scan_req = MANUAL_SCAN_REQ;
5165 wpa_supplicant_req_scan(wpa_s, 0, 0);
5166 } else {
5167 wpa_printf(MSG_DEBUG, "Ongoing scan action - "
5168 "reject new request");
5169 reply_len = os_snprintf(reply, reply_size,
5170 "FAIL-BUSY\n");
5171 }
5172 }
5173 } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
5174 reply_len = wpa_supplicant_ctrl_iface_scan_results(
5175 wpa_s, reply, reply_size);
5176 } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
5177 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
5178 reply_len = -1;
5179 } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
5180 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
5181 reply_len = -1;
5182 } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
5183 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
5184 reply_len = -1;
5185 } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
5186 reply_len = wpa_supplicant_ctrl_iface_add_network(
5187 wpa_s, reply, reply_size);
5188 } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
5189 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
5190 reply_len = -1;
5191 } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
5192 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
5193 reply_len = -1;
5194 } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
5195 reply_len = wpa_supplicant_ctrl_iface_get_network(
5196 wpa_s, buf + 12, reply, reply_size);
5197 } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
5198 reply_len = wpa_supplicant_ctrl_iface_list_creds(
5199 wpa_s, reply, reply_size);
5200 } else if (os_strcmp(buf, "ADD_CRED") == 0) {
5201 reply_len = wpa_supplicant_ctrl_iface_add_cred(
5202 wpa_s, reply, reply_size);
5203 } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
5204 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
5205 reply_len = -1;
5206 } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
5207 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
5208 reply_len = -1;
5209 #ifndef CONFIG_NO_CONFIG_WRITE
5210 } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
5211 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
5212 reply_len = -1;
5213 #endif /* CONFIG_NO_CONFIG_WRITE */
5214 } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
5215 reply_len = wpa_supplicant_ctrl_iface_get_capability(
5216 wpa_s, buf + 15, reply, reply_size);
5217 } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
5218 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
5219 reply_len = -1;
5220 } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
5221 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
5222 reply_len = -1;
5223 } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5224 reply_len = wpa_supplicant_global_iface_list(
5225 wpa_s->global, reply, reply_size);
5226 } else if (os_strcmp(buf, "INTERFACES") == 0) {
5227 reply_len = wpa_supplicant_global_iface_interfaces(
5228 wpa_s->global, reply, reply_size);
5229 } else if (os_strncmp(buf, "BSS ", 4) == 0) {
5230 reply_len = wpa_supplicant_ctrl_iface_bss(
5231 wpa_s, buf + 4, reply, reply_size);
5232 #ifdef CONFIG_AP
5233 } else if (os_strcmp(buf, "STA-FIRST") == 0) {
5234 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
5235 } else if (os_strncmp(buf, "STA ", 4) == 0) {
5236 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
5237 reply_size);
5238 } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
5239 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
5240 reply_size);
5241 } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
5242 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
5243 reply_len = -1;
5244 } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
5245 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
5246 reply_len = -1;
5247 #endif /* CONFIG_AP */
5248 } else if (os_strcmp(buf, "SUSPEND") == 0) {
5249 wpas_notify_suspend(wpa_s->global);
5250 } else if (os_strcmp(buf, "RESUME") == 0) {
5251 wpas_notify_resume(wpa_s->global);
5252 } else if (os_strcmp(buf, "DROP_SA") == 0) {
5253 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
5254 } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
5255 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
5256 reply_len = -1;
5257 } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
5258 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
5259 reply_len = -1;
5260 } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
5261 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
5262 reply_len = -1;
5263 } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
5264 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
5265 buf + 17))
5266 reply_len = -1;
5267 } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
5268 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
5269 reply_len = -1;
5270 #ifdef CONFIG_TDLS
5271 } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
5272 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
5273 reply_len = -1;
5274 } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
5275 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
5276 reply_len = -1;
5277 } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
5278 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
5279 reply_len = -1;
5280 #endif /* CONFIG_TDLS */
5281 } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
5282 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
5283 reply_size);
5284 } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
5285 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
5286 reply_size);
5287 #ifdef CONFIG_AUTOSCAN
5288 } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
5289 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
5290 reply_len = -1;
5291 #endif /* CONFIG_AUTOSCAN */
5292 } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
5293 pmksa_cache_clear_current(wpa_s->wpa);
5294 eapol_sm_request_reauth(wpa_s->eapol);
5295 #ifdef CONFIG_WNM
5296 } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
5297 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
5298 reply_len = -1;
5299 #endif /* CONFIG_WNM */
5300 } else {
5301 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5302 reply_len = 16;
5303 }
5304
5305 if (reply_len < 0) {
5306 os_memcpy(reply, "FAIL\n", 5);
5307 reply_len = 5;
5308 }
5309
5310 if (ctrl_rsp)
5311 eapol_sm_notify_ctrl_response(wpa_s->eapol);
5312
5313 *resp_len = reply_len;
5314 return reply;
5315 }
5316
5317
wpa_supplicant_global_iface_add(struct wpa_global * global,char * cmd)5318 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
5319 char *cmd)
5320 {
5321 struct wpa_interface iface;
5322 char *pos;
5323
5324 /*
5325 * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
5326 * TAB<bridge_ifname>
5327 */
5328 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
5329
5330 os_memset(&iface, 0, sizeof(iface));
5331
5332 do {
5333 iface.ifname = pos = cmd;
5334 pos = os_strchr(pos, '\t');
5335 if (pos)
5336 *pos++ = '\0';
5337 if (iface.ifname[0] == '\0')
5338 return -1;
5339 if (pos == NULL)
5340 break;
5341
5342 iface.confname = pos;
5343 pos = os_strchr(pos, '\t');
5344 if (pos)
5345 *pos++ = '\0';
5346 if (iface.confname[0] == '\0')
5347 iface.confname = NULL;
5348 if (pos == NULL)
5349 break;
5350
5351 iface.driver = pos;
5352 pos = os_strchr(pos, '\t');
5353 if (pos)
5354 *pos++ = '\0';
5355 if (iface.driver[0] == '\0')
5356 iface.driver = NULL;
5357 if (pos == NULL)
5358 break;
5359
5360 iface.ctrl_interface = pos;
5361 pos = os_strchr(pos, '\t');
5362 if (pos)
5363 *pos++ = '\0';
5364 if (iface.ctrl_interface[0] == '\0')
5365 iface.ctrl_interface = NULL;
5366 if (pos == NULL)
5367 break;
5368
5369 iface.driver_param = pos;
5370 pos = os_strchr(pos, '\t');
5371 if (pos)
5372 *pos++ = '\0';
5373 if (iface.driver_param[0] == '\0')
5374 iface.driver_param = NULL;
5375 if (pos == NULL)
5376 break;
5377
5378 iface.bridge_ifname = pos;
5379 pos = os_strchr(pos, '\t');
5380 if (pos)
5381 *pos++ = '\0';
5382 if (iface.bridge_ifname[0] == '\0')
5383 iface.bridge_ifname = NULL;
5384 if (pos == NULL)
5385 break;
5386 } while (0);
5387
5388 if (wpa_supplicant_get_iface(global, iface.ifname))
5389 return -1;
5390
5391 return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
5392 }
5393
5394
wpa_supplicant_global_iface_remove(struct wpa_global * global,char * cmd)5395 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
5396 char *cmd)
5397 {
5398 struct wpa_supplicant *wpa_s;
5399
5400 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
5401
5402 wpa_s = wpa_supplicant_get_iface(global, cmd);
5403 if (wpa_s == NULL)
5404 return -1;
5405 return wpa_supplicant_remove_iface(global, wpa_s, 0);
5406 }
5407
5408
wpa_free_iface_info(struct wpa_interface_info * iface)5409 static void wpa_free_iface_info(struct wpa_interface_info *iface)
5410 {
5411 struct wpa_interface_info *prev;
5412
5413 while (iface) {
5414 prev = iface;
5415 iface = iface->next;
5416
5417 os_free(prev->ifname);
5418 os_free(prev->desc);
5419 os_free(prev);
5420 }
5421 }
5422
5423
wpa_supplicant_global_iface_list(struct wpa_global * global,char * buf,int len)5424 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
5425 char *buf, int len)
5426 {
5427 int i, res;
5428 struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
5429 char *pos, *end;
5430
5431 for (i = 0; wpa_drivers[i]; i++) {
5432 struct wpa_driver_ops *drv = wpa_drivers[i];
5433 if (drv->get_interfaces == NULL)
5434 continue;
5435 tmp = drv->get_interfaces(global->drv_priv[i]);
5436 if (tmp == NULL)
5437 continue;
5438
5439 if (last == NULL)
5440 iface = last = tmp;
5441 else
5442 last->next = tmp;
5443 while (last->next)
5444 last = last->next;
5445 }
5446
5447 pos = buf;
5448 end = buf + len;
5449 for (tmp = iface; tmp; tmp = tmp->next) {
5450 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
5451 tmp->drv_name, tmp->ifname,
5452 tmp->desc ? tmp->desc : "");
5453 if (res < 0 || res >= end - pos) {
5454 *pos = '\0';
5455 break;
5456 }
5457 pos += res;
5458 }
5459
5460 wpa_free_iface_info(iface);
5461
5462 return pos - buf;
5463 }
5464
5465
wpa_supplicant_global_iface_interfaces(struct wpa_global * global,char * buf,int len)5466 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
5467 char *buf, int len)
5468 {
5469 int res;
5470 char *pos, *end;
5471 struct wpa_supplicant *wpa_s;
5472
5473 wpa_s = global->ifaces;
5474 pos = buf;
5475 end = buf + len;
5476
5477 while (wpa_s) {
5478 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
5479 if (res < 0 || res >= end - pos) {
5480 *pos = '\0';
5481 break;
5482 }
5483 pos += res;
5484 wpa_s = wpa_s->next;
5485 }
5486 return pos - buf;
5487 }
5488
5489
wpa_supplicant_global_ctrl_iface_process(struct wpa_global * global,char * buf,size_t * resp_len)5490 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
5491 char *buf, size_t *resp_len)
5492 {
5493 char *reply;
5494 const int reply_size = 2048;
5495 int reply_len;
5496 int level = MSG_DEBUG;
5497
5498 if (os_strcmp(buf, "PING") == 0)
5499 level = MSG_EXCESSIVE;
5500 wpa_hexdump_ascii(level, "RX global ctrl_iface",
5501 (const u8 *) buf, os_strlen(buf));
5502
5503 reply = os_malloc(reply_size);
5504 if (reply == NULL) {
5505 *resp_len = 1;
5506 return NULL;
5507 }
5508
5509 os_memcpy(reply, "OK\n", 3);
5510 reply_len = 3;
5511
5512 if (os_strcmp(buf, "PING") == 0) {
5513 os_memcpy(reply, "PONG\n", 5);
5514 reply_len = 5;
5515 } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
5516 if (wpa_supplicant_global_iface_add(global, buf + 14))
5517 reply_len = -1;
5518 } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
5519 if (wpa_supplicant_global_iface_remove(global, buf + 17))
5520 reply_len = -1;
5521 } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5522 reply_len = wpa_supplicant_global_iface_list(
5523 global, reply, reply_size);
5524 } else if (os_strcmp(buf, "INTERFACES") == 0) {
5525 reply_len = wpa_supplicant_global_iface_interfaces(
5526 global, reply, reply_size);
5527 } else if (os_strcmp(buf, "TERMINATE") == 0) {
5528 wpa_supplicant_terminate_proc(global);
5529 } else if (os_strcmp(buf, "SUSPEND") == 0) {
5530 wpas_notify_suspend(global);
5531 } else if (os_strcmp(buf, "RESUME") == 0) {
5532 wpas_notify_resume(global);
5533 } else {
5534 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5535 reply_len = 16;
5536 }
5537
5538 if (reply_len < 0) {
5539 os_memcpy(reply, "FAIL\n", 5);
5540 reply_len = 5;
5541 }
5542
5543 *resp_len = reply_len;
5544 return reply;
5545 }
5546