1 /*
2 * WPA Supplicant / Control interface (shared code for all backends)
3 * Copyright (c) 2004-2015, Jouni Malinen <j@w1.fi>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9 #include "utils/includes.h"
10 #ifdef CONFIG_TESTING_OPTIONS
11 #include <net/ethernet.h>
12 #include <netinet/ip.h>
13 #endif /* CONFIG_TESTING_OPTIONS */
14
15 #include "utils/common.h"
16 #include "utils/eloop.h"
17 #include "utils/uuid.h"
18 #include "common/version.h"
19 #include "common/ieee802_11_defs.h"
20 #include "common/ieee802_11_common.h"
21 #include "common/wpa_ctrl.h"
22 #include "crypto/tls.h"
23 #include "ap/hostapd.h"
24 #include "eap_peer/eap.h"
25 #include "eapol_supp/eapol_supp_sm.h"
26 #include "rsn_supp/wpa.h"
27 #include "rsn_supp/preauth.h"
28 #include "rsn_supp/pmksa_cache.h"
29 #include "l2_packet/l2_packet.h"
30 #include "wps/wps.h"
31 #include "config.h"
32 #include "wpa_supplicant_i.h"
33 #include "driver_i.h"
34 #include "wps_supplicant.h"
35 #include "ibss_rsn.h"
36 #include "ap.h"
37 #include "p2p_supplicant.h"
38 #include "p2p/p2p.h"
39 #include "hs20_supplicant.h"
40 #include "wifi_display.h"
41 #include "notify.h"
42 #include "bss.h"
43 #include "scan.h"
44 #include "ctrl_iface.h"
45 #include "interworking.h"
46 #include "blacklist.h"
47 #include "autoscan.h"
48 #include "wnm_sta.h"
49 #include "offchannel.h"
50 #include "drivers/driver.h"
51 #include "mesh.h"
52
53 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
54 char *buf, int len);
55 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
56 char *buf, int len);
57 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s,
58 char *val);
59
set_bssid_filter(struct wpa_supplicant * wpa_s,char * val)60 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
61 {
62 char *pos;
63 u8 addr[ETH_ALEN], *filter = NULL, *n;
64 size_t count = 0;
65
66 pos = val;
67 while (pos) {
68 if (*pos == '\0')
69 break;
70 if (hwaddr_aton(pos, addr)) {
71 os_free(filter);
72 return -1;
73 }
74 n = os_realloc_array(filter, count + 1, ETH_ALEN);
75 if (n == NULL) {
76 os_free(filter);
77 return -1;
78 }
79 filter = n;
80 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
81 count++;
82
83 pos = os_strchr(pos, ' ');
84 if (pos)
85 pos++;
86 }
87
88 wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
89 os_free(wpa_s->bssid_filter);
90 wpa_s->bssid_filter = filter;
91 wpa_s->bssid_filter_count = count;
92
93 return 0;
94 }
95
96
set_disallow_aps(struct wpa_supplicant * wpa_s,char * val)97 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
98 {
99 char *pos;
100 u8 addr[ETH_ALEN], *bssid = NULL, *n;
101 struct wpa_ssid_value *ssid = NULL, *ns;
102 size_t count = 0, ssid_count = 0;
103 struct wpa_ssid *c;
104
105 /*
106 * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | ""
107 * SSID_SPEC ::= ssid <SSID_HEX>
108 * BSSID_SPEC ::= bssid <BSSID_HEX>
109 */
110
111 pos = val;
112 while (pos) {
113 if (*pos == '\0')
114 break;
115 if (os_strncmp(pos, "bssid ", 6) == 0) {
116 int res;
117 pos += 6;
118 res = hwaddr_aton2(pos, addr);
119 if (res < 0) {
120 os_free(ssid);
121 os_free(bssid);
122 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
123 "BSSID value '%s'", pos);
124 return -1;
125 }
126 pos += res;
127 n = os_realloc_array(bssid, count + 1, ETH_ALEN);
128 if (n == NULL) {
129 os_free(ssid);
130 os_free(bssid);
131 return -1;
132 }
133 bssid = n;
134 os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
135 count++;
136 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
137 char *end;
138 pos += 5;
139
140 end = pos;
141 while (*end) {
142 if (*end == '\0' || *end == ' ')
143 break;
144 end++;
145 }
146
147 ns = os_realloc_array(ssid, ssid_count + 1,
148 sizeof(struct wpa_ssid_value));
149 if (ns == NULL) {
150 os_free(ssid);
151 os_free(bssid);
152 return -1;
153 }
154 ssid = ns;
155
156 if ((end - pos) & 0x01 ||
157 end - pos > 2 * SSID_MAX_LEN ||
158 hexstr2bin(pos, ssid[ssid_count].ssid,
159 (end - pos) / 2) < 0) {
160 os_free(ssid);
161 os_free(bssid);
162 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
163 "SSID value '%s'", pos);
164 return -1;
165 }
166 ssid[ssid_count].ssid_len = (end - pos) / 2;
167 wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
168 ssid[ssid_count].ssid,
169 ssid[ssid_count].ssid_len);
170 ssid_count++;
171 pos = end;
172 } else {
173 wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
174 "'%s'", pos);
175 os_free(ssid);
176 os_free(bssid);
177 return -1;
178 }
179
180 pos = os_strchr(pos, ' ');
181 if (pos)
182 pos++;
183 }
184
185 wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
186 os_free(wpa_s->disallow_aps_bssid);
187 wpa_s->disallow_aps_bssid = bssid;
188 wpa_s->disallow_aps_bssid_count = count;
189
190 wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
191 os_free(wpa_s->disallow_aps_ssid);
192 wpa_s->disallow_aps_ssid = ssid;
193 wpa_s->disallow_aps_ssid_count = ssid_count;
194
195 if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
196 return 0;
197
198 c = wpa_s->current_ssid;
199 if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
200 return 0;
201
202 if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
203 !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
204 return 0;
205
206 wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
207 "because current AP was marked disallowed");
208
209 #ifdef CONFIG_SME
210 wpa_s->sme.prev_bssid_set = 0;
211 #endif /* CONFIG_SME */
212 wpa_s->reassociate = 1;
213 wpa_s->own_disconnect_req = 1;
214 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
215 wpa_supplicant_req_scan(wpa_s, 0, 0);
216
217 return 0;
218 }
219
220
221 #ifndef CONFIG_NO_CONFIG_BLOBS
wpas_ctrl_set_blob(struct wpa_supplicant * wpa_s,char * pos)222 static int wpas_ctrl_set_blob(struct wpa_supplicant *wpa_s, char *pos)
223 {
224 char *name = pos;
225 struct wpa_config_blob *blob;
226 size_t len;
227
228 pos = os_strchr(pos, ' ');
229 if (pos == NULL)
230 return -1;
231 *pos++ = '\0';
232 len = os_strlen(pos);
233 if (len & 1)
234 return -1;
235
236 wpa_printf(MSG_DEBUG, "CTRL: Set blob '%s'", name);
237 blob = os_zalloc(sizeof(*blob));
238 if (blob == NULL)
239 return -1;
240 blob->name = os_strdup(name);
241 blob->data = os_malloc(len / 2);
242 if (blob->name == NULL || blob->data == NULL) {
243 wpa_config_free_blob(blob);
244 return -1;
245 }
246
247 if (hexstr2bin(pos, blob->data, len / 2) < 0) {
248 wpa_printf(MSG_DEBUG, "CTRL: Invalid blob hex data");
249 wpa_config_free_blob(blob);
250 return -1;
251 }
252 blob->len = len / 2;
253
254 wpa_config_set_blob(wpa_s->conf, blob);
255
256 return 0;
257 }
258 #endif /* CONFIG_NO_CONFIG_BLOBS */
259
260
wpas_ctrl_pno(struct wpa_supplicant * wpa_s,char * cmd)261 static int wpas_ctrl_pno(struct wpa_supplicant *wpa_s, char *cmd)
262 {
263 char *params;
264 char *pos;
265 int *freqs = NULL;
266 int ret;
267
268 if (atoi(cmd)) {
269 params = os_strchr(cmd, ' ');
270 os_free(wpa_s->manual_sched_scan_freqs);
271 if (params) {
272 params++;
273 pos = os_strstr(params, "freq=");
274 if (pos)
275 freqs = freq_range_to_channel_list(wpa_s,
276 pos + 5);
277 }
278 wpa_s->manual_sched_scan_freqs = freqs;
279 ret = wpas_start_pno(wpa_s);
280 } else {
281 ret = wpas_stop_pno(wpa_s);
282 }
283 return ret;
284 }
285
286
wpas_ctrl_set_band(struct wpa_supplicant * wpa_s,char * band)287 static int wpas_ctrl_set_band(struct wpa_supplicant *wpa_s, char *band)
288 {
289 union wpa_event_data event;
290
291 if (os_strcmp(band, "AUTO") == 0)
292 wpa_s->setband = WPA_SETBAND_AUTO;
293 else if (os_strcmp(band, "5G") == 0)
294 wpa_s->setband = WPA_SETBAND_5G;
295 else if (os_strcmp(band, "2G") == 0)
296 wpa_s->setband = WPA_SETBAND_2G;
297 else
298 return -1;
299
300 if (wpa_drv_setband(wpa_s, wpa_s->setband) == 0) {
301 os_memset(&event, 0, sizeof(event));
302 event.channel_list_changed.initiator = REGDOM_SET_BY_USER;
303 event.channel_list_changed.type = REGDOM_TYPE_UNKNOWN;
304 wpa_supplicant_event(wpa_s, EVENT_CHANNEL_LIST_CHANGED, &event);
305 }
306
307 return 0;
308 }
309
310
wpa_supplicant_ctrl_iface_set(struct wpa_supplicant * wpa_s,char * cmd)311 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
312 char *cmd)
313 {
314 char *value;
315 int ret = 0;
316
317 value = os_strchr(cmd, ' ');
318 if (value == NULL)
319 return -1;
320 *value++ = '\0';
321
322 wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
323 if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
324 eapol_sm_configure(wpa_s->eapol,
325 atoi(value), -1, -1, -1);
326 } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
327 eapol_sm_configure(wpa_s->eapol,
328 -1, atoi(value), -1, -1);
329 } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
330 eapol_sm_configure(wpa_s->eapol,
331 -1, -1, atoi(value), -1);
332 } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
333 eapol_sm_configure(wpa_s->eapol,
334 -1, -1, -1, atoi(value));
335 } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
336 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
337 atoi(value)))
338 ret = -1;
339 } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
340 0) {
341 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
342 atoi(value)))
343 ret = -1;
344 } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
345 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
346 ret = -1;
347 } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
348 wpa_s->wps_fragment_size = atoi(value);
349 #ifdef CONFIG_WPS_TESTING
350 } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
351 long int val;
352 val = strtol(value, NULL, 0);
353 if (val < 0 || val > 0xff) {
354 ret = -1;
355 wpa_printf(MSG_DEBUG, "WPS: Invalid "
356 "wps_version_number %ld", val);
357 } else {
358 wps_version_number = val;
359 wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
360 "version %u.%u",
361 (wps_version_number & 0xf0) >> 4,
362 wps_version_number & 0x0f);
363 }
364 } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
365 wps_testing_dummy_cred = atoi(value);
366 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
367 wps_testing_dummy_cred);
368 } else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
369 wps_corrupt_pkhash = atoi(value);
370 wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
371 wps_corrupt_pkhash);
372 #endif /* CONFIG_WPS_TESTING */
373 } else if (os_strcasecmp(cmd, "ampdu") == 0) {
374 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
375 ret = -1;
376 #ifdef CONFIG_TDLS
377 #ifdef CONFIG_TDLS_TESTING
378 } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
379 extern unsigned int tdls_testing;
380 tdls_testing = strtol(value, NULL, 0);
381 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
382 #endif /* CONFIG_TDLS_TESTING */
383 } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
384 int disabled = atoi(value);
385 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
386 if (disabled) {
387 if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
388 ret = -1;
389 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
390 ret = -1;
391 wpa_tdls_enable(wpa_s->wpa, !disabled);
392 #endif /* CONFIG_TDLS */
393 } else if (os_strcasecmp(cmd, "pno") == 0) {
394 ret = wpas_ctrl_pno(wpa_s, value);
395 } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
396 int disabled = atoi(value);
397 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
398 ret = -1;
399 else if (disabled)
400 wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
401 } else if (os_strcasecmp(cmd, "uapsd") == 0) {
402 if (os_strcmp(value, "disable") == 0)
403 wpa_s->set_sta_uapsd = 0;
404 else {
405 int be, bk, vi, vo;
406 char *pos;
407 /* format: BE,BK,VI,VO;max SP Length */
408 be = atoi(value);
409 pos = os_strchr(value, ',');
410 if (pos == NULL)
411 return -1;
412 pos++;
413 bk = atoi(pos);
414 pos = os_strchr(pos, ',');
415 if (pos == NULL)
416 return -1;
417 pos++;
418 vi = atoi(pos);
419 pos = os_strchr(pos, ',');
420 if (pos == NULL)
421 return -1;
422 pos++;
423 vo = atoi(pos);
424 /* ignore max SP Length for now */
425
426 wpa_s->set_sta_uapsd = 1;
427 wpa_s->sta_uapsd = 0;
428 if (be)
429 wpa_s->sta_uapsd |= BIT(0);
430 if (bk)
431 wpa_s->sta_uapsd |= BIT(1);
432 if (vi)
433 wpa_s->sta_uapsd |= BIT(2);
434 if (vo)
435 wpa_s->sta_uapsd |= BIT(3);
436 }
437 } else if (os_strcasecmp(cmd, "ps") == 0) {
438 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
439 #ifdef CONFIG_WIFI_DISPLAY
440 } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
441 int enabled = !!atoi(value);
442 if (enabled && !wpa_s->global->p2p)
443 ret = -1;
444 else
445 wifi_display_enable(wpa_s->global, enabled);
446 #endif /* CONFIG_WIFI_DISPLAY */
447 } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
448 ret = set_bssid_filter(wpa_s, value);
449 } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
450 ret = set_disallow_aps(wpa_s, value);
451 } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
452 wpa_s->no_keep_alive = !!atoi(value);
453 #ifdef CONFIG_TESTING_OPTIONS
454 } else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) {
455 wpa_s->ext_mgmt_frame_handling = !!atoi(value);
456 } else if (os_strcasecmp(cmd, "ext_eapol_frame_io") == 0) {
457 wpa_s->ext_eapol_frame_io = !!atoi(value);
458 #ifdef CONFIG_AP
459 if (wpa_s->ap_iface) {
460 wpa_s->ap_iface->bss[0]->ext_eapol_frame_io =
461 wpa_s->ext_eapol_frame_io;
462 }
463 #endif /* CONFIG_AP */
464 } else if (os_strcasecmp(cmd, "extra_roc_dur") == 0) {
465 wpa_s->extra_roc_dur = atoi(value);
466 } else if (os_strcasecmp(cmd, "test_failure") == 0) {
467 wpa_s->test_failure = atoi(value);
468 #endif /* CONFIG_TESTING_OPTIONS */
469 #ifndef CONFIG_NO_CONFIG_BLOBS
470 } else if (os_strcmp(cmd, "blob") == 0) {
471 ret = wpas_ctrl_set_blob(wpa_s, value);
472 #endif /* CONFIG_NO_CONFIG_BLOBS */
473 } else if (os_strcasecmp(cmd, "setband") == 0) {
474 ret = wpas_ctrl_set_band(wpa_s, value);
475 } else {
476 value[-1] = '=';
477 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
478 if (ret == 0)
479 wpa_supplicant_update_config(wpa_s);
480 }
481
482 return ret;
483 }
484
485
wpa_supplicant_ctrl_iface_get(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)486 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
487 char *cmd, char *buf, size_t buflen)
488 {
489 int res = -1;
490
491 wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
492
493 if (os_strcmp(cmd, "version") == 0) {
494 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
495 } else if (os_strcasecmp(cmd, "country") == 0) {
496 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
497 res = os_snprintf(buf, buflen, "%c%c",
498 wpa_s->conf->country[0],
499 wpa_s->conf->country[1]);
500 #ifdef CONFIG_WIFI_DISPLAY
501 } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
502 int enabled;
503 if (wpa_s->global->p2p == NULL ||
504 wpa_s->global->p2p_disabled)
505 enabled = 0;
506 else
507 enabled = wpa_s->global->wifi_display;
508 res = os_snprintf(buf, buflen, "%d", enabled);
509 #endif /* CONFIG_WIFI_DISPLAY */
510 #ifdef CONFIG_TESTING_GET_GTK
511 } else if (os_strcmp(cmd, "gtk") == 0) {
512 if (wpa_s->last_gtk_len == 0)
513 return -1;
514 res = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk,
515 wpa_s->last_gtk_len);
516 return res;
517 #endif /* CONFIG_TESTING_GET_GTK */
518 } else if (os_strcmp(cmd, "tls_library") == 0) {
519 res = tls_get_library_version(buf, buflen);
520 } else {
521 res = wpa_config_get_value(cmd, wpa_s->conf, buf, buflen);
522 }
523
524 if (os_snprintf_error(buflen, res))
525 return -1;
526 return res;
527 }
528
529
530 #ifdef IEEE8021X_EAPOL
wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant * wpa_s,char * addr)531 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
532 char *addr)
533 {
534 u8 bssid[ETH_ALEN];
535 struct wpa_ssid *ssid = wpa_s->current_ssid;
536
537 if (hwaddr_aton(addr, bssid)) {
538 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
539 "'%s'", addr);
540 return -1;
541 }
542
543 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
544 rsn_preauth_deinit(wpa_s->wpa);
545 if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
546 return -1;
547
548 return 0;
549 }
550 #endif /* IEEE8021X_EAPOL */
551
552
553 #ifdef CONFIG_PEERKEY
554 /* MLME-STKSTART.request(peer) */
wpa_supplicant_ctrl_iface_stkstart(struct wpa_supplicant * wpa_s,char * addr)555 static int wpa_supplicant_ctrl_iface_stkstart(
556 struct wpa_supplicant *wpa_s, char *addr)
557 {
558 u8 peer[ETH_ALEN];
559
560 if (hwaddr_aton(addr, peer)) {
561 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
562 "address '%s'", addr);
563 return -1;
564 }
565
566 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
567 MAC2STR(peer));
568
569 return wpa_sm_stkstart(wpa_s->wpa, peer);
570 }
571 #endif /* CONFIG_PEERKEY */
572
573
574 #ifdef CONFIG_TDLS
575
wpa_supplicant_ctrl_iface_tdls_discover(struct wpa_supplicant * wpa_s,char * addr)576 static int wpa_supplicant_ctrl_iface_tdls_discover(
577 struct wpa_supplicant *wpa_s, char *addr)
578 {
579 u8 peer[ETH_ALEN];
580 int ret;
581
582 if (hwaddr_aton(addr, peer)) {
583 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
584 "address '%s'", addr);
585 return -1;
586 }
587
588 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
589 MAC2STR(peer));
590
591 if (wpa_tdls_is_external_setup(wpa_s->wpa))
592 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
593 else
594 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
595
596 return ret;
597 }
598
599
wpa_supplicant_ctrl_iface_tdls_setup(struct wpa_supplicant * wpa_s,char * addr)600 static int wpa_supplicant_ctrl_iface_tdls_setup(
601 struct wpa_supplicant *wpa_s, char *addr)
602 {
603 u8 peer[ETH_ALEN];
604 int ret;
605
606 if (hwaddr_aton(addr, peer)) {
607 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
608 "address '%s'", addr);
609 return -1;
610 }
611
612 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
613 MAC2STR(peer));
614
615 if ((wpa_s->conf->tdls_external_control) &&
616 wpa_tdls_is_external_setup(wpa_s->wpa))
617 return wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
618
619 wpa_tdls_remove(wpa_s->wpa, peer);
620
621 if (wpa_tdls_is_external_setup(wpa_s->wpa))
622 ret = wpa_tdls_start(wpa_s->wpa, peer);
623 else
624 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
625
626 return ret;
627 }
628
629
wpa_supplicant_ctrl_iface_tdls_teardown(struct wpa_supplicant * wpa_s,char * addr)630 static int wpa_supplicant_ctrl_iface_tdls_teardown(
631 struct wpa_supplicant *wpa_s, char *addr)
632 {
633 u8 peer[ETH_ALEN];
634 int ret;
635
636 if (os_strcmp(addr, "*") == 0) {
637 /* remove everyone */
638 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN *");
639 wpa_tdls_teardown_peers(wpa_s->wpa);
640 return 0;
641 }
642
643 if (hwaddr_aton(addr, peer)) {
644 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
645 "address '%s'", addr);
646 return -1;
647 }
648
649 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
650 MAC2STR(peer));
651
652 if ((wpa_s->conf->tdls_external_control) &&
653 wpa_tdls_is_external_setup(wpa_s->wpa))
654 return wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
655
656 if (wpa_tdls_is_external_setup(wpa_s->wpa))
657 ret = wpa_tdls_teardown_link(
658 wpa_s->wpa, peer,
659 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
660 else
661 ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
662
663 return ret;
664 }
665
666
ctrl_iface_get_capability_tdls(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)667 static int ctrl_iface_get_capability_tdls(
668 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
669 {
670 int ret;
671
672 ret = os_snprintf(buf, buflen, "%s\n",
673 wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT ?
674 (wpa_s->drv_flags &
675 WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP ?
676 "EXTERNAL" : "INTERNAL") : "UNSUPPORTED");
677 if (os_snprintf_error(buflen, ret))
678 return -1;
679 return ret;
680 }
681
682
wpa_supplicant_ctrl_iface_tdls_chan_switch(struct wpa_supplicant * wpa_s,char * cmd)683 static int wpa_supplicant_ctrl_iface_tdls_chan_switch(
684 struct wpa_supplicant *wpa_s, char *cmd)
685 {
686 u8 peer[ETH_ALEN];
687 struct hostapd_freq_params freq_params;
688 u8 oper_class;
689 char *pos, *end;
690
691 if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
692 wpa_printf(MSG_INFO,
693 "tdls_chanswitch: Only supported with external setup");
694 return -1;
695 }
696
697 os_memset(&freq_params, 0, sizeof(freq_params));
698
699 pos = os_strchr(cmd, ' ');
700 if (pos == NULL)
701 return -1;
702 *pos++ = '\0';
703
704 oper_class = strtol(pos, &end, 10);
705 if (pos == end) {
706 wpa_printf(MSG_INFO,
707 "tdls_chanswitch: Invalid op class provided");
708 return -1;
709 }
710
711 pos = end;
712 freq_params.freq = atoi(pos);
713 if (freq_params.freq == 0) {
714 wpa_printf(MSG_INFO, "tdls_chanswitch: Invalid freq provided");
715 return -1;
716 }
717
718 #define SET_FREQ_SETTING(str) \
719 do { \
720 const char *pos2 = os_strstr(pos, " " #str "="); \
721 if (pos2) { \
722 pos2 += sizeof(" " #str "=") - 1; \
723 freq_params.str = atoi(pos2); \
724 } \
725 } while (0)
726
727 SET_FREQ_SETTING(center_freq1);
728 SET_FREQ_SETTING(center_freq2);
729 SET_FREQ_SETTING(bandwidth);
730 SET_FREQ_SETTING(sec_channel_offset);
731 #undef SET_FREQ_SETTING
732
733 freq_params.ht_enabled = !!os_strstr(pos, " ht");
734 freq_params.vht_enabled = !!os_strstr(pos, " vht");
735
736 if (hwaddr_aton(cmd, peer)) {
737 wpa_printf(MSG_DEBUG,
738 "CTRL_IFACE TDLS_CHAN_SWITCH: Invalid address '%s'",
739 cmd);
740 return -1;
741 }
742
743 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CHAN_SWITCH " MACSTR
744 " OP CLASS %d FREQ %d CENTER1 %d CENTER2 %d BW %d SEC_OFFSET %d%s%s",
745 MAC2STR(peer), oper_class, freq_params.freq,
746 freq_params.center_freq1, freq_params.center_freq2,
747 freq_params.bandwidth, freq_params.sec_channel_offset,
748 freq_params.ht_enabled ? " HT" : "",
749 freq_params.vht_enabled ? " VHT" : "");
750
751 return wpa_tdls_enable_chan_switch(wpa_s->wpa, peer, oper_class,
752 &freq_params);
753 }
754
755
wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(struct wpa_supplicant * wpa_s,char * cmd)756 static int wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(
757 struct wpa_supplicant *wpa_s, char *cmd)
758 {
759 u8 peer[ETH_ALEN];
760
761 if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
762 wpa_printf(MSG_INFO,
763 "tdls_chanswitch: Only supported with external setup");
764 return -1;
765 }
766
767 if (hwaddr_aton(cmd, peer)) {
768 wpa_printf(MSG_DEBUG,
769 "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH: Invalid address '%s'",
770 cmd);
771 return -1;
772 }
773
774 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH " MACSTR,
775 MAC2STR(peer));
776
777 return wpa_tdls_disable_chan_switch(wpa_s->wpa, peer);
778 }
779
780
wpa_supplicant_ctrl_iface_tdls_link_status(struct wpa_supplicant * wpa_s,const char * addr,char * buf,size_t buflen)781 static int wpa_supplicant_ctrl_iface_tdls_link_status(
782 struct wpa_supplicant *wpa_s, const char *addr,
783 char *buf, size_t buflen)
784 {
785 u8 peer[ETH_ALEN];
786 const char *tdls_status;
787 int ret;
788
789 if (hwaddr_aton(addr, peer)) {
790 wpa_printf(MSG_DEBUG,
791 "CTRL_IFACE TDLS_LINK_STATUS: Invalid address '%s'",
792 addr);
793 return -1;
794 }
795 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_LINK_STATUS " MACSTR,
796 MAC2STR(peer));
797
798 tdls_status = wpa_tdls_get_link_status(wpa_s->wpa, peer);
799 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_LINK_STATUS: %s", tdls_status);
800 ret = os_snprintf(buf, buflen, "TDLS link status: %s\n", tdls_status);
801 if (os_snprintf_error(buflen, ret))
802 return -1;
803
804 return ret;
805 }
806
807 #endif /* CONFIG_TDLS */
808
809
wmm_ac_ctrl_addts(struct wpa_supplicant * wpa_s,char * cmd)810 static int wmm_ac_ctrl_addts(struct wpa_supplicant *wpa_s, char *cmd)
811 {
812 char *token, *context = NULL;
813 struct wmm_ac_ts_setup_params params = {
814 .tsid = 0xff,
815 .direction = 0xff,
816 };
817
818 while ((token = str_token(cmd, " ", &context))) {
819 if (sscanf(token, "tsid=%i", ¶ms.tsid) == 1 ||
820 sscanf(token, "up=%i", ¶ms.user_priority) == 1 ||
821 sscanf(token, "nominal_msdu_size=%i",
822 ¶ms.nominal_msdu_size) == 1 ||
823 sscanf(token, "mean_data_rate=%i",
824 ¶ms.mean_data_rate) == 1 ||
825 sscanf(token, "min_phy_rate=%i",
826 ¶ms.minimum_phy_rate) == 1 ||
827 sscanf(token, "sba=%i",
828 ¶ms.surplus_bandwidth_allowance) == 1)
829 continue;
830
831 if (os_strcasecmp(token, "downlink") == 0) {
832 params.direction = WMM_TSPEC_DIRECTION_DOWNLINK;
833 } else if (os_strcasecmp(token, "uplink") == 0) {
834 params.direction = WMM_TSPEC_DIRECTION_UPLINK;
835 } else if (os_strcasecmp(token, "bidi") == 0) {
836 params.direction = WMM_TSPEC_DIRECTION_BI_DIRECTIONAL;
837 } else if (os_strcasecmp(token, "fixed_nominal_msdu") == 0) {
838 params.fixed_nominal_msdu = 1;
839 } else {
840 wpa_printf(MSG_DEBUG,
841 "CTRL: Invalid WMM_AC_ADDTS parameter: '%s'",
842 token);
843 return -1;
844 }
845
846 }
847
848 return wpas_wmm_ac_addts(wpa_s, ¶ms);
849 }
850
851
wmm_ac_ctrl_delts(struct wpa_supplicant * wpa_s,char * cmd)852 static int wmm_ac_ctrl_delts(struct wpa_supplicant *wpa_s, char *cmd)
853 {
854 u8 tsid = atoi(cmd);
855
856 return wpas_wmm_ac_delts(wpa_s, tsid);
857 }
858
859
860 #ifdef CONFIG_IEEE80211R
wpa_supplicant_ctrl_iface_ft_ds(struct wpa_supplicant * wpa_s,char * addr)861 static int wpa_supplicant_ctrl_iface_ft_ds(
862 struct wpa_supplicant *wpa_s, char *addr)
863 {
864 u8 target_ap[ETH_ALEN];
865 struct wpa_bss *bss;
866 const u8 *mdie;
867
868 if (hwaddr_aton(addr, target_ap)) {
869 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
870 "address '%s'", addr);
871 return -1;
872 }
873
874 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
875
876 bss = wpa_bss_get_bssid(wpa_s, target_ap);
877 if (bss)
878 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
879 else
880 mdie = NULL;
881
882 return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
883 }
884 #endif /* CONFIG_IEEE80211R */
885
886
887 #ifdef CONFIG_WPS
wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant * wpa_s,char * cmd)888 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
889 char *cmd)
890 {
891 u8 bssid[ETH_ALEN], *_bssid = bssid;
892 #ifdef CONFIG_P2P
893 u8 p2p_dev_addr[ETH_ALEN];
894 #endif /* CONFIG_P2P */
895 #ifdef CONFIG_AP
896 u8 *_p2p_dev_addr = NULL;
897 #endif /* CONFIG_AP */
898
899 if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
900 _bssid = NULL;
901 #ifdef CONFIG_P2P
902 } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
903 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
904 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
905 "P2P Device Address '%s'",
906 cmd + 13);
907 return -1;
908 }
909 _p2p_dev_addr = p2p_dev_addr;
910 #endif /* CONFIG_P2P */
911 } else if (hwaddr_aton(cmd, bssid)) {
912 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
913 cmd);
914 return -1;
915 }
916
917 #ifdef CONFIG_AP
918 if (wpa_s->ap_iface)
919 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
920 #endif /* CONFIG_AP */
921
922 return wpas_wps_start_pbc(wpa_s, _bssid, 0);
923 }
924
925
wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)926 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
927 char *cmd, char *buf,
928 size_t buflen)
929 {
930 u8 bssid[ETH_ALEN], *_bssid = bssid;
931 char *pin;
932 int ret;
933
934 pin = os_strchr(cmd, ' ');
935 if (pin)
936 *pin++ = '\0';
937
938 if (os_strcmp(cmd, "any") == 0)
939 _bssid = NULL;
940 else if (os_strcmp(cmd, "get") == 0) {
941 ret = wps_generate_pin();
942 goto done;
943 } else if (hwaddr_aton(cmd, bssid)) {
944 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
945 cmd);
946 return -1;
947 }
948
949 #ifdef CONFIG_AP
950 if (wpa_s->ap_iface) {
951 int timeout = 0;
952 char *pos;
953
954 if (pin) {
955 pos = os_strchr(pin, ' ');
956 if (pos) {
957 *pos++ = '\0';
958 timeout = atoi(pos);
959 }
960 }
961
962 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
963 buf, buflen, timeout);
964 }
965 #endif /* CONFIG_AP */
966
967 if (pin) {
968 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
969 DEV_PW_DEFAULT);
970 if (ret < 0)
971 return -1;
972 ret = os_snprintf(buf, buflen, "%s", pin);
973 if (os_snprintf_error(buflen, ret))
974 return -1;
975 return ret;
976 }
977
978 ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
979 if (ret < 0)
980 return -1;
981
982 done:
983 /* Return the generated PIN */
984 ret = os_snprintf(buf, buflen, "%08d", ret);
985 if (os_snprintf_error(buflen, ret))
986 return -1;
987 return ret;
988 }
989
990
wpa_supplicant_ctrl_iface_wps_check_pin(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)991 static int wpa_supplicant_ctrl_iface_wps_check_pin(
992 struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
993 {
994 char pin[9];
995 size_t len;
996 char *pos;
997 int ret;
998
999 wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
1000 (u8 *) cmd, os_strlen(cmd));
1001 for (pos = cmd, len = 0; *pos != '\0'; pos++) {
1002 if (*pos < '0' || *pos > '9')
1003 continue;
1004 pin[len++] = *pos;
1005 if (len == 9) {
1006 wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
1007 return -1;
1008 }
1009 }
1010 if (len != 4 && len != 8) {
1011 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
1012 return -1;
1013 }
1014 pin[len] = '\0';
1015
1016 if (len == 8) {
1017 unsigned int pin_val;
1018 pin_val = atoi(pin);
1019 if (!wps_pin_valid(pin_val)) {
1020 wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
1021 ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
1022 if (os_snprintf_error(buflen, ret))
1023 return -1;
1024 return ret;
1025 }
1026 }
1027
1028 ret = os_snprintf(buf, buflen, "%s", pin);
1029 if (os_snprintf_error(buflen, ret))
1030 return -1;
1031
1032 return ret;
1033 }
1034
1035
1036 #ifdef CONFIG_WPS_NFC
1037
wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant * wpa_s,char * cmd)1038 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
1039 char *cmd)
1040 {
1041 u8 bssid[ETH_ALEN], *_bssid = bssid;
1042
1043 if (cmd == NULL || cmd[0] == '\0')
1044 _bssid = NULL;
1045 else if (hwaddr_aton(cmd, bssid))
1046 return -1;
1047
1048 return wpas_wps_start_nfc(wpa_s, NULL, _bssid, NULL, 0, 0, NULL, NULL,
1049 0, 0);
1050 }
1051
1052
wpa_supplicant_ctrl_iface_wps_nfc_config_token(struct wpa_supplicant * wpa_s,char * cmd,char * reply,size_t max_len)1053 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
1054 struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1055 {
1056 int ndef;
1057 struct wpabuf *buf;
1058 int res;
1059 char *pos;
1060
1061 pos = os_strchr(cmd, ' ');
1062 if (pos)
1063 *pos++ = '\0';
1064 if (os_strcmp(cmd, "WPS") == 0)
1065 ndef = 0;
1066 else if (os_strcmp(cmd, "NDEF") == 0)
1067 ndef = 1;
1068 else
1069 return -1;
1070
1071 buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
1072 if (buf == NULL)
1073 return -1;
1074
1075 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1076 wpabuf_len(buf));
1077 reply[res++] = '\n';
1078 reply[res] = '\0';
1079
1080 wpabuf_free(buf);
1081
1082 return res;
1083 }
1084
1085
wpa_supplicant_ctrl_iface_wps_nfc_token(struct wpa_supplicant * wpa_s,char * cmd,char * reply,size_t max_len)1086 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
1087 struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1088 {
1089 int ndef;
1090 struct wpabuf *buf;
1091 int res;
1092
1093 if (os_strcmp(cmd, "WPS") == 0)
1094 ndef = 0;
1095 else if (os_strcmp(cmd, "NDEF") == 0)
1096 ndef = 1;
1097 else
1098 return -1;
1099
1100 buf = wpas_wps_nfc_token(wpa_s, ndef);
1101 if (buf == NULL)
1102 return -1;
1103
1104 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1105 wpabuf_len(buf));
1106 reply[res++] = '\n';
1107 reply[res] = '\0';
1108
1109 wpabuf_free(buf);
1110
1111 return res;
1112 }
1113
1114
wpa_supplicant_ctrl_iface_wps_nfc_tag_read(struct wpa_supplicant * wpa_s,char * pos)1115 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
1116 struct wpa_supplicant *wpa_s, char *pos)
1117 {
1118 size_t len;
1119 struct wpabuf *buf;
1120 int ret;
1121 char *freq;
1122 int forced_freq = 0;
1123
1124 freq = strstr(pos, " freq=");
1125 if (freq) {
1126 *freq = '\0';
1127 freq += 6;
1128 forced_freq = atoi(freq);
1129 }
1130
1131 len = os_strlen(pos);
1132 if (len & 0x01)
1133 return -1;
1134 len /= 2;
1135
1136 buf = wpabuf_alloc(len);
1137 if (buf == NULL)
1138 return -1;
1139 if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
1140 wpabuf_free(buf);
1141 return -1;
1142 }
1143
1144 ret = wpas_wps_nfc_tag_read(wpa_s, buf, forced_freq);
1145 wpabuf_free(buf);
1146
1147 return ret;
1148 }
1149
1150
wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant * wpa_s,char * reply,size_t max_len,int ndef)1151 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
1152 char *reply, size_t max_len,
1153 int ndef)
1154 {
1155 struct wpabuf *buf;
1156 int res;
1157
1158 buf = wpas_wps_nfc_handover_req(wpa_s, ndef);
1159 if (buf == NULL)
1160 return -1;
1161
1162 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1163 wpabuf_len(buf));
1164 reply[res++] = '\n';
1165 reply[res] = '\0';
1166
1167 wpabuf_free(buf);
1168
1169 return res;
1170 }
1171
1172
1173 #ifdef CONFIG_P2P
wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant * wpa_s,char * reply,size_t max_len,int ndef)1174 static int wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant *wpa_s,
1175 char *reply, size_t max_len,
1176 int ndef)
1177 {
1178 struct wpabuf *buf;
1179 int res;
1180
1181 buf = wpas_p2p_nfc_handover_req(wpa_s, ndef);
1182 if (buf == NULL) {
1183 wpa_printf(MSG_DEBUG, "P2P: Could not generate NFC handover request");
1184 return -1;
1185 }
1186
1187 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1188 wpabuf_len(buf));
1189 reply[res++] = '\n';
1190 reply[res] = '\0';
1191
1192 wpabuf_free(buf);
1193
1194 return res;
1195 }
1196 #endif /* CONFIG_P2P */
1197
1198
wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant * wpa_s,char * cmd,char * reply,size_t max_len)1199 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
1200 char *cmd, char *reply,
1201 size_t max_len)
1202 {
1203 char *pos;
1204 int ndef;
1205
1206 pos = os_strchr(cmd, ' ');
1207 if (pos == NULL)
1208 return -1;
1209 *pos++ = '\0';
1210
1211 if (os_strcmp(cmd, "WPS") == 0)
1212 ndef = 0;
1213 else if (os_strcmp(cmd, "NDEF") == 0)
1214 ndef = 1;
1215 else
1216 return -1;
1217
1218 if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1219 if (!ndef)
1220 return -1;
1221 return wpas_ctrl_nfc_get_handover_req_wps(
1222 wpa_s, reply, max_len, ndef);
1223 }
1224
1225 #ifdef CONFIG_P2P
1226 if (os_strcmp(pos, "P2P-CR") == 0) {
1227 return wpas_ctrl_nfc_get_handover_req_p2p(
1228 wpa_s, reply, max_len, ndef);
1229 }
1230 #endif /* CONFIG_P2P */
1231
1232 return -1;
1233 }
1234
1235
wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant * wpa_s,char * reply,size_t max_len,int ndef,int cr,char * uuid)1236 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
1237 char *reply, size_t max_len,
1238 int ndef, int cr, char *uuid)
1239 {
1240 struct wpabuf *buf;
1241 int res;
1242
1243 buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
1244 if (buf == NULL)
1245 return -1;
1246
1247 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1248 wpabuf_len(buf));
1249 reply[res++] = '\n';
1250 reply[res] = '\0';
1251
1252 wpabuf_free(buf);
1253
1254 return res;
1255 }
1256
1257
1258 #ifdef CONFIG_P2P
wpas_ctrl_nfc_get_handover_sel_p2p(struct wpa_supplicant * wpa_s,char * reply,size_t max_len,int ndef,int tag)1259 static int wpas_ctrl_nfc_get_handover_sel_p2p(struct wpa_supplicant *wpa_s,
1260 char *reply, size_t max_len,
1261 int ndef, int tag)
1262 {
1263 struct wpabuf *buf;
1264 int res;
1265
1266 buf = wpas_p2p_nfc_handover_sel(wpa_s, ndef, tag);
1267 if (buf == NULL)
1268 return -1;
1269
1270 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1271 wpabuf_len(buf));
1272 reply[res++] = '\n';
1273 reply[res] = '\0';
1274
1275 wpabuf_free(buf);
1276
1277 return res;
1278 }
1279 #endif /* CONFIG_P2P */
1280
1281
wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant * wpa_s,char * cmd,char * reply,size_t max_len)1282 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
1283 char *cmd, char *reply,
1284 size_t max_len)
1285 {
1286 char *pos, *pos2;
1287 int ndef;
1288
1289 pos = os_strchr(cmd, ' ');
1290 if (pos == NULL)
1291 return -1;
1292 *pos++ = '\0';
1293
1294 if (os_strcmp(cmd, "WPS") == 0)
1295 ndef = 0;
1296 else if (os_strcmp(cmd, "NDEF") == 0)
1297 ndef = 1;
1298 else
1299 return -1;
1300
1301 pos2 = os_strchr(pos, ' ');
1302 if (pos2)
1303 *pos2++ = '\0';
1304 if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1305 if (!ndef)
1306 return -1;
1307 return wpas_ctrl_nfc_get_handover_sel_wps(
1308 wpa_s, reply, max_len, ndef,
1309 os_strcmp(pos, "WPS-CR") == 0, pos2);
1310 }
1311
1312 #ifdef CONFIG_P2P
1313 if (os_strcmp(pos, "P2P-CR") == 0) {
1314 return wpas_ctrl_nfc_get_handover_sel_p2p(
1315 wpa_s, reply, max_len, ndef, 0);
1316 }
1317
1318 if (os_strcmp(pos, "P2P-CR-TAG") == 0) {
1319 return wpas_ctrl_nfc_get_handover_sel_p2p(
1320 wpa_s, reply, max_len, ndef, 1);
1321 }
1322 #endif /* CONFIG_P2P */
1323
1324 return -1;
1325 }
1326
1327
wpas_ctrl_nfc_report_handover(struct wpa_supplicant * wpa_s,char * cmd)1328 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1329 char *cmd)
1330 {
1331 size_t len;
1332 struct wpabuf *req, *sel;
1333 int ret;
1334 char *pos, *role, *type, *pos2;
1335 #ifdef CONFIG_P2P
1336 char *freq;
1337 int forced_freq = 0;
1338
1339 freq = strstr(cmd, " freq=");
1340 if (freq) {
1341 *freq = '\0';
1342 freq += 6;
1343 forced_freq = atoi(freq);
1344 }
1345 #endif /* CONFIG_P2P */
1346
1347 role = cmd;
1348 pos = os_strchr(role, ' ');
1349 if (pos == NULL) {
1350 wpa_printf(MSG_DEBUG, "NFC: Missing type in handover report");
1351 return -1;
1352 }
1353 *pos++ = '\0';
1354
1355 type = pos;
1356 pos = os_strchr(type, ' ');
1357 if (pos == NULL) {
1358 wpa_printf(MSG_DEBUG, "NFC: Missing request message in handover report");
1359 return -1;
1360 }
1361 *pos++ = '\0';
1362
1363 pos2 = os_strchr(pos, ' ');
1364 if (pos2 == NULL) {
1365 wpa_printf(MSG_DEBUG, "NFC: Missing select message in handover report");
1366 return -1;
1367 }
1368 *pos2++ = '\0';
1369
1370 len = os_strlen(pos);
1371 if (len & 0x01) {
1372 wpa_printf(MSG_DEBUG, "NFC: Invalid request message length in handover report");
1373 return -1;
1374 }
1375 len /= 2;
1376
1377 req = wpabuf_alloc(len);
1378 if (req == NULL) {
1379 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for request message");
1380 return -1;
1381 }
1382 if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1383 wpa_printf(MSG_DEBUG, "NFC: Invalid request message hexdump in handover report");
1384 wpabuf_free(req);
1385 return -1;
1386 }
1387
1388 len = os_strlen(pos2);
1389 if (len & 0x01) {
1390 wpa_printf(MSG_DEBUG, "NFC: Invalid select message length in handover report");
1391 wpabuf_free(req);
1392 return -1;
1393 }
1394 len /= 2;
1395
1396 sel = wpabuf_alloc(len);
1397 if (sel == NULL) {
1398 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for select message");
1399 wpabuf_free(req);
1400 return -1;
1401 }
1402 if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1403 wpa_printf(MSG_DEBUG, "NFC: Invalid select message hexdump in handover report");
1404 wpabuf_free(req);
1405 wpabuf_free(sel);
1406 return -1;
1407 }
1408
1409 wpa_printf(MSG_DEBUG, "NFC: Connection handover reported - role=%s type=%s req_len=%d sel_len=%d",
1410 role, type, (int) wpabuf_len(req), (int) wpabuf_len(sel));
1411
1412 if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1413 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1414 #ifdef CONFIG_AP
1415 } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0)
1416 {
1417 ret = wpas_ap_wps_nfc_report_handover(wpa_s, req, sel);
1418 if (ret < 0)
1419 ret = wpas_er_wps_nfc_report_handover(wpa_s, req, sel);
1420 #endif /* CONFIG_AP */
1421 #ifdef CONFIG_P2P
1422 } else if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "P2P") == 0)
1423 {
1424 ret = wpas_p2p_nfc_report_handover(wpa_s, 1, req, sel, 0);
1425 } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "P2P") == 0)
1426 {
1427 ret = wpas_p2p_nfc_report_handover(wpa_s, 0, req, sel,
1428 forced_freq);
1429 #endif /* CONFIG_P2P */
1430 } else {
1431 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1432 "reported: role=%s type=%s", role, type);
1433 ret = -1;
1434 }
1435 wpabuf_free(req);
1436 wpabuf_free(sel);
1437
1438 if (ret)
1439 wpa_printf(MSG_DEBUG, "NFC: Failed to process reported handover messages");
1440
1441 return ret;
1442 }
1443
1444 #endif /* CONFIG_WPS_NFC */
1445
1446
wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant * wpa_s,char * cmd)1447 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1448 char *cmd)
1449 {
1450 u8 bssid[ETH_ALEN];
1451 char *pin;
1452 char *new_ssid;
1453 char *new_auth;
1454 char *new_encr;
1455 char *new_key;
1456 struct wps_new_ap_settings ap;
1457
1458 pin = os_strchr(cmd, ' ');
1459 if (pin == NULL)
1460 return -1;
1461 *pin++ = '\0';
1462
1463 if (hwaddr_aton(cmd, bssid)) {
1464 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1465 cmd);
1466 return -1;
1467 }
1468
1469 new_ssid = os_strchr(pin, ' ');
1470 if (new_ssid == NULL)
1471 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1472 *new_ssid++ = '\0';
1473
1474 new_auth = os_strchr(new_ssid, ' ');
1475 if (new_auth == NULL)
1476 return -1;
1477 *new_auth++ = '\0';
1478
1479 new_encr = os_strchr(new_auth, ' ');
1480 if (new_encr == NULL)
1481 return -1;
1482 *new_encr++ = '\0';
1483
1484 new_key = os_strchr(new_encr, ' ');
1485 if (new_key == NULL)
1486 return -1;
1487 *new_key++ = '\0';
1488
1489 os_memset(&ap, 0, sizeof(ap));
1490 ap.ssid_hex = new_ssid;
1491 ap.auth = new_auth;
1492 ap.encr = new_encr;
1493 ap.key_hex = new_key;
1494 return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1495 }
1496
1497
1498 #ifdef CONFIG_AP
wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)1499 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1500 char *cmd, char *buf,
1501 size_t buflen)
1502 {
1503 int timeout = 300;
1504 char *pos;
1505 const char *pin_txt;
1506
1507 if (!wpa_s->ap_iface)
1508 return -1;
1509
1510 pos = os_strchr(cmd, ' ');
1511 if (pos)
1512 *pos++ = '\0';
1513
1514 if (os_strcmp(cmd, "disable") == 0) {
1515 wpas_wps_ap_pin_disable(wpa_s);
1516 return os_snprintf(buf, buflen, "OK\n");
1517 }
1518
1519 if (os_strcmp(cmd, "random") == 0) {
1520 if (pos)
1521 timeout = atoi(pos);
1522 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1523 if (pin_txt == NULL)
1524 return -1;
1525 return os_snprintf(buf, buflen, "%s", pin_txt);
1526 }
1527
1528 if (os_strcmp(cmd, "get") == 0) {
1529 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1530 if (pin_txt == NULL)
1531 return -1;
1532 return os_snprintf(buf, buflen, "%s", pin_txt);
1533 }
1534
1535 if (os_strcmp(cmd, "set") == 0) {
1536 char *pin;
1537 if (pos == NULL)
1538 return -1;
1539 pin = pos;
1540 pos = os_strchr(pos, ' ');
1541 if (pos) {
1542 *pos++ = '\0';
1543 timeout = atoi(pos);
1544 }
1545 if (os_strlen(pin) > buflen)
1546 return -1;
1547 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1548 return -1;
1549 return os_snprintf(buf, buflen, "%s", pin);
1550 }
1551
1552 return -1;
1553 }
1554 #endif /* CONFIG_AP */
1555
1556
1557 #ifdef CONFIG_WPS_ER
wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant * wpa_s,char * cmd)1558 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1559 char *cmd)
1560 {
1561 char *uuid = cmd, *pin, *pos;
1562 u8 addr_buf[ETH_ALEN], *addr = NULL;
1563 pin = os_strchr(uuid, ' ');
1564 if (pin == NULL)
1565 return -1;
1566 *pin++ = '\0';
1567 pos = os_strchr(pin, ' ');
1568 if (pos) {
1569 *pos++ = '\0';
1570 if (hwaddr_aton(pos, addr_buf) == 0)
1571 addr = addr_buf;
1572 }
1573 return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1574 }
1575
1576
wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant * wpa_s,char * cmd)1577 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1578 char *cmd)
1579 {
1580 char *uuid = cmd, *pin;
1581 pin = os_strchr(uuid, ' ');
1582 if (pin == NULL)
1583 return -1;
1584 *pin++ = '\0';
1585 return wpas_wps_er_learn(wpa_s, uuid, pin);
1586 }
1587
1588
wpa_supplicant_ctrl_iface_wps_er_set_config(struct wpa_supplicant * wpa_s,char * cmd)1589 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1590 struct wpa_supplicant *wpa_s, char *cmd)
1591 {
1592 char *uuid = cmd, *id;
1593 id = os_strchr(uuid, ' ');
1594 if (id == NULL)
1595 return -1;
1596 *id++ = '\0';
1597 return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1598 }
1599
1600
wpa_supplicant_ctrl_iface_wps_er_config(struct wpa_supplicant * wpa_s,char * cmd)1601 static int wpa_supplicant_ctrl_iface_wps_er_config(
1602 struct wpa_supplicant *wpa_s, char *cmd)
1603 {
1604 char *pin;
1605 char *new_ssid;
1606 char *new_auth;
1607 char *new_encr;
1608 char *new_key;
1609 struct wps_new_ap_settings ap;
1610
1611 pin = os_strchr(cmd, ' ');
1612 if (pin == NULL)
1613 return -1;
1614 *pin++ = '\0';
1615
1616 new_ssid = os_strchr(pin, ' ');
1617 if (new_ssid == NULL)
1618 return -1;
1619 *new_ssid++ = '\0';
1620
1621 new_auth = os_strchr(new_ssid, ' ');
1622 if (new_auth == NULL)
1623 return -1;
1624 *new_auth++ = '\0';
1625
1626 new_encr = os_strchr(new_auth, ' ');
1627 if (new_encr == NULL)
1628 return -1;
1629 *new_encr++ = '\0';
1630
1631 new_key = os_strchr(new_encr, ' ');
1632 if (new_key == NULL)
1633 return -1;
1634 *new_key++ = '\0';
1635
1636 os_memset(&ap, 0, sizeof(ap));
1637 ap.ssid_hex = new_ssid;
1638 ap.auth = new_auth;
1639 ap.encr = new_encr;
1640 ap.key_hex = new_key;
1641 return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1642 }
1643
1644
1645 #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)1646 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1647 struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1648 {
1649 int ndef;
1650 struct wpabuf *buf;
1651 int res;
1652 char *uuid;
1653
1654 uuid = os_strchr(cmd, ' ');
1655 if (uuid == NULL)
1656 return -1;
1657 *uuid++ = '\0';
1658
1659 if (os_strcmp(cmd, "WPS") == 0)
1660 ndef = 0;
1661 else if (os_strcmp(cmd, "NDEF") == 0)
1662 ndef = 1;
1663 else
1664 return -1;
1665
1666 buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1667 if (buf == NULL)
1668 return -1;
1669
1670 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1671 wpabuf_len(buf));
1672 reply[res++] = '\n';
1673 reply[res] = '\0';
1674
1675 wpabuf_free(buf);
1676
1677 return res;
1678 }
1679 #endif /* CONFIG_WPS_NFC */
1680 #endif /* CONFIG_WPS_ER */
1681
1682 #endif /* CONFIG_WPS */
1683
1684
1685 #ifdef CONFIG_IBSS_RSN
wpa_supplicant_ctrl_iface_ibss_rsn(struct wpa_supplicant * wpa_s,char * addr)1686 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1687 struct wpa_supplicant *wpa_s, char *addr)
1688 {
1689 u8 peer[ETH_ALEN];
1690
1691 if (hwaddr_aton(addr, peer)) {
1692 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1693 "address '%s'", addr);
1694 return -1;
1695 }
1696
1697 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1698 MAC2STR(peer));
1699
1700 return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1701 }
1702 #endif /* CONFIG_IBSS_RSN */
1703
1704
wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant * wpa_s,char * rsp)1705 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1706 char *rsp)
1707 {
1708 #ifdef IEEE8021X_EAPOL
1709 char *pos, *id_pos;
1710 int id;
1711 struct wpa_ssid *ssid;
1712
1713 pos = os_strchr(rsp, '-');
1714 if (pos == NULL)
1715 return -1;
1716 *pos++ = '\0';
1717 id_pos = pos;
1718 pos = os_strchr(pos, ':');
1719 if (pos == NULL)
1720 return -1;
1721 *pos++ = '\0';
1722 id = atoi(id_pos);
1723 wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1724 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1725 (u8 *) pos, os_strlen(pos));
1726
1727 ssid = wpa_config_get_network(wpa_s->conf, id);
1728 if (ssid == NULL) {
1729 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1730 "to update", id);
1731 return -1;
1732 }
1733
1734 return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1735 pos);
1736 #else /* IEEE8021X_EAPOL */
1737 wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1738 return -1;
1739 #endif /* IEEE8021X_EAPOL */
1740 }
1741
1742
wpa_supplicant_ctrl_iface_status(struct wpa_supplicant * wpa_s,const char * params,char * buf,size_t buflen)1743 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1744 const char *params,
1745 char *buf, size_t buflen)
1746 {
1747 char *pos, *end, tmp[30];
1748 int res, verbose, wps, ret;
1749 #ifdef CONFIG_HS20
1750 const u8 *hs20;
1751 #endif /* CONFIG_HS20 */
1752 const u8 *sess_id;
1753 size_t sess_id_len;
1754
1755 if (os_strcmp(params, "-DRIVER") == 0)
1756 return wpa_drv_status(wpa_s, buf, buflen);
1757 verbose = os_strcmp(params, "-VERBOSE") == 0;
1758 wps = os_strcmp(params, "-WPS") == 0;
1759 pos = buf;
1760 end = buf + buflen;
1761 if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1762 struct wpa_ssid *ssid = wpa_s->current_ssid;
1763 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1764 MAC2STR(wpa_s->bssid));
1765 if (os_snprintf_error(end - pos, ret))
1766 return pos - buf;
1767 pos += ret;
1768 ret = os_snprintf(pos, end - pos, "freq=%u\n",
1769 wpa_s->assoc_freq);
1770 if (os_snprintf_error(end - pos, ret))
1771 return pos - buf;
1772 pos += ret;
1773 if (ssid) {
1774 u8 *_ssid = ssid->ssid;
1775 size_t ssid_len = ssid->ssid_len;
1776 u8 ssid_buf[SSID_MAX_LEN];
1777 if (ssid_len == 0) {
1778 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1779 if (_res < 0)
1780 ssid_len = 0;
1781 else
1782 ssid_len = _res;
1783 _ssid = ssid_buf;
1784 }
1785 ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1786 wpa_ssid_txt(_ssid, ssid_len),
1787 ssid->id);
1788 if (os_snprintf_error(end - pos, ret))
1789 return pos - buf;
1790 pos += ret;
1791
1792 if (wps && ssid->passphrase &&
1793 wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1794 (ssid->mode == WPAS_MODE_AP ||
1795 ssid->mode == WPAS_MODE_P2P_GO)) {
1796 ret = os_snprintf(pos, end - pos,
1797 "passphrase=%s\n",
1798 ssid->passphrase);
1799 if (os_snprintf_error(end - pos, ret))
1800 return pos - buf;
1801 pos += ret;
1802 }
1803 if (ssid->id_str) {
1804 ret = os_snprintf(pos, end - pos,
1805 "id_str=%s\n",
1806 ssid->id_str);
1807 if (os_snprintf_error(end - pos, ret))
1808 return pos - buf;
1809 pos += ret;
1810 }
1811
1812 switch (ssid->mode) {
1813 case WPAS_MODE_INFRA:
1814 ret = os_snprintf(pos, end - pos,
1815 "mode=station\n");
1816 break;
1817 case WPAS_MODE_IBSS:
1818 ret = os_snprintf(pos, end - pos,
1819 "mode=IBSS\n");
1820 break;
1821 case WPAS_MODE_AP:
1822 ret = os_snprintf(pos, end - pos,
1823 "mode=AP\n");
1824 break;
1825 case WPAS_MODE_P2P_GO:
1826 ret = os_snprintf(pos, end - pos,
1827 "mode=P2P GO\n");
1828 break;
1829 case WPAS_MODE_P2P_GROUP_FORMATION:
1830 ret = os_snprintf(pos, end - pos,
1831 "mode=P2P GO - group "
1832 "formation\n");
1833 break;
1834 default:
1835 ret = 0;
1836 break;
1837 }
1838 if (os_snprintf_error(end - pos, ret))
1839 return pos - buf;
1840 pos += ret;
1841 }
1842
1843 #ifdef CONFIG_AP
1844 if (wpa_s->ap_iface) {
1845 pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1846 end - pos,
1847 verbose);
1848 } else
1849 #endif /* CONFIG_AP */
1850 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1851 }
1852 #ifdef CONFIG_SAE
1853 if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1854 #ifdef CONFIG_AP
1855 !wpa_s->ap_iface &&
1856 #endif /* CONFIG_AP */
1857 wpa_s->sme.sae.state == SAE_ACCEPTED) {
1858 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1859 wpa_s->sme.sae.group);
1860 if (os_snprintf_error(end - pos, ret))
1861 return pos - buf;
1862 pos += ret;
1863 }
1864 #endif /* CONFIG_SAE */
1865 ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1866 wpa_supplicant_state_txt(wpa_s->wpa_state));
1867 if (os_snprintf_error(end - pos, ret))
1868 return pos - buf;
1869 pos += ret;
1870
1871 if (wpa_s->l2 &&
1872 l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1873 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1874 if (os_snprintf_error(end - pos, ret))
1875 return pos - buf;
1876 pos += ret;
1877 }
1878
1879 #ifdef CONFIG_P2P
1880 if (wpa_s->global->p2p) {
1881 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1882 "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1883 if (os_snprintf_error(end - pos, ret))
1884 return pos - buf;
1885 pos += ret;
1886 }
1887 #endif /* CONFIG_P2P */
1888
1889 ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1890 MAC2STR(wpa_s->own_addr));
1891 if (os_snprintf_error(end - pos, ret))
1892 return pos - buf;
1893 pos += ret;
1894
1895 #ifdef CONFIG_HS20
1896 if (wpa_s->current_bss &&
1897 (hs20 = wpa_bss_get_vendor_ie(wpa_s->current_bss,
1898 HS20_IE_VENDOR_TYPE)) &&
1899 wpa_s->wpa_proto == WPA_PROTO_RSN &&
1900 wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1901 int release = 1;
1902 if (hs20[1] >= 5) {
1903 u8 rel_num = (hs20[6] & 0xf0) >> 4;
1904 release = rel_num + 1;
1905 }
1906 ret = os_snprintf(pos, end - pos, "hs20=%d\n", release);
1907 if (os_snprintf_error(end - pos, ret))
1908 return pos - buf;
1909 pos += ret;
1910 }
1911
1912 if (wpa_s->current_ssid) {
1913 struct wpa_cred *cred;
1914 char *type;
1915
1916 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1917 size_t i;
1918
1919 if (wpa_s->current_ssid->parent_cred != cred)
1920 continue;
1921
1922 if (cred->provisioning_sp) {
1923 ret = os_snprintf(pos, end - pos,
1924 "provisioning_sp=%s\n",
1925 cred->provisioning_sp);
1926 if (os_snprintf_error(end - pos, ret))
1927 return pos - buf;
1928 pos += ret;
1929 }
1930
1931 if (!cred->domain)
1932 goto no_domain;
1933
1934 i = 0;
1935 if (wpa_s->current_bss && wpa_s->current_bss->anqp) {
1936 struct wpabuf *names =
1937 wpa_s->current_bss->anqp->domain_name;
1938 for (i = 0; names && i < cred->num_domain; i++)
1939 {
1940 if (domain_name_list_contains(
1941 names, cred->domain[i], 1))
1942 break;
1943 }
1944 if (i == cred->num_domain)
1945 i = 0; /* show first entry by default */
1946 }
1947 ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1948 cred->domain[i]);
1949 if (os_snprintf_error(end - pos, ret))
1950 return pos - buf;
1951 pos += ret;
1952
1953 no_domain:
1954 if (wpa_s->current_bss == NULL ||
1955 wpa_s->current_bss->anqp == NULL)
1956 res = -1;
1957 else
1958 res = interworking_home_sp_cred(
1959 wpa_s, cred,
1960 wpa_s->current_bss->anqp->domain_name);
1961 if (res > 0)
1962 type = "home";
1963 else if (res == 0)
1964 type = "roaming";
1965 else
1966 type = "unknown";
1967
1968 ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1969 if (os_snprintf_error(end - pos, ret))
1970 return pos - buf;
1971 pos += ret;
1972
1973 break;
1974 }
1975 }
1976 #endif /* CONFIG_HS20 */
1977
1978 if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1979 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1980 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1981 verbose);
1982 if (res >= 0)
1983 pos += res;
1984 }
1985
1986 sess_id = eapol_sm_get_session_id(wpa_s->eapol, &sess_id_len);
1987 if (sess_id) {
1988 char *start = pos;
1989
1990 ret = os_snprintf(pos, end - pos, "eap_session_id=");
1991 if (os_snprintf_error(end - pos, ret))
1992 return start - buf;
1993 pos += ret;
1994 ret = wpa_snprintf_hex(pos, end - pos, sess_id, sess_id_len);
1995 if (ret <= 0)
1996 return start - buf;
1997 pos += ret;
1998 ret = os_snprintf(pos, end - pos, "\n");
1999 if (os_snprintf_error(end - pos, ret))
2000 return start - buf;
2001 pos += ret;
2002 }
2003
2004 res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
2005 if (res >= 0)
2006 pos += res;
2007
2008 #ifdef CONFIG_WPS
2009 {
2010 char uuid_str[100];
2011 uuid_bin2str(wpa_s->wps->uuid, uuid_str, sizeof(uuid_str));
2012 ret = os_snprintf(pos, end - pos, "uuid=%s\n", uuid_str);
2013 if (os_snprintf_error(end - pos, ret))
2014 return pos - buf;
2015 pos += ret;
2016 }
2017 #endif /* CONFIG_WPS */
2018
2019 #ifdef ANDROID
2020 /*
2021 * Allow using the STATUS command with default behavior, say for debug,
2022 * i.e., don't generate a "fake" CONNECTION and SUPPLICANT_STATE_CHANGE
2023 * events with STATUS-NO_EVENTS.
2024 */
2025 if (os_strcmp(params, "-NO_EVENTS")) {
2026 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
2027 "id=%d state=%d BSSID=" MACSTR " SSID=%s",
2028 wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
2029 wpa_s->wpa_state,
2030 MAC2STR(wpa_s->bssid),
2031 wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
2032 wpa_ssid_txt(wpa_s->current_ssid->ssid,
2033 wpa_s->current_ssid->ssid_len) : "");
2034 if (wpa_s->wpa_state == WPA_COMPLETED) {
2035 struct wpa_ssid *ssid = wpa_s->current_ssid;
2036 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED
2037 "- connection to " MACSTR
2038 " completed %s [id=%d id_str=%s]",
2039 MAC2STR(wpa_s->bssid), "(auth)",
2040 ssid ? ssid->id : -1,
2041 ssid && ssid->id_str ? ssid->id_str : "");
2042 }
2043 }
2044 #endif /* ANDROID */
2045
2046 return pos - buf;
2047 }
2048
2049
wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant * wpa_s,char * cmd)2050 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
2051 char *cmd)
2052 {
2053 char *pos;
2054 int id;
2055 struct wpa_ssid *ssid;
2056 u8 bssid[ETH_ALEN];
2057
2058 /* cmd: "<network id> <BSSID>" */
2059 pos = os_strchr(cmd, ' ');
2060 if (pos == NULL)
2061 return -1;
2062 *pos++ = '\0';
2063 id = atoi(cmd);
2064 wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
2065 if (hwaddr_aton(pos, bssid)) {
2066 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
2067 return -1;
2068 }
2069
2070 ssid = wpa_config_get_network(wpa_s->conf, id);
2071 if (ssid == NULL) {
2072 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
2073 "to update", id);
2074 return -1;
2075 }
2076
2077 os_memcpy(ssid->bssid, bssid, ETH_ALEN);
2078 ssid->bssid_set = !is_zero_ether_addr(bssid);
2079
2080 return 0;
2081 }
2082
2083
wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)2084 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
2085 char *cmd, char *buf,
2086 size_t buflen)
2087 {
2088 u8 bssid[ETH_ALEN];
2089 struct wpa_blacklist *e;
2090 char *pos, *end;
2091 int ret;
2092
2093 /* cmd: "BLACKLIST [<BSSID>]" */
2094 if (*cmd == '\0') {
2095 pos = buf;
2096 end = buf + buflen;
2097 e = wpa_s->blacklist;
2098 while (e) {
2099 ret = os_snprintf(pos, end - pos, MACSTR "\n",
2100 MAC2STR(e->bssid));
2101 if (os_snprintf_error(end - pos, ret))
2102 return pos - buf;
2103 pos += ret;
2104 e = e->next;
2105 }
2106 return pos - buf;
2107 }
2108
2109 cmd++;
2110 if (os_strncmp(cmd, "clear", 5) == 0) {
2111 wpa_blacklist_clear(wpa_s);
2112 os_memcpy(buf, "OK\n", 3);
2113 return 3;
2114 }
2115
2116 wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
2117 if (hwaddr_aton(cmd, bssid)) {
2118 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
2119 return -1;
2120 }
2121
2122 /*
2123 * Add the BSSID twice, so its count will be 2, causing it to be
2124 * skipped when processing scan results.
2125 */
2126 ret = wpa_blacklist_add(wpa_s, bssid);
2127 if (ret < 0)
2128 return -1;
2129 ret = wpa_blacklist_add(wpa_s, bssid);
2130 if (ret < 0)
2131 return -1;
2132 os_memcpy(buf, "OK\n", 3);
2133 return 3;
2134 }
2135
2136
debug_level_str(int level)2137 static const char * debug_level_str(int level)
2138 {
2139 switch (level) {
2140 case MSG_EXCESSIVE:
2141 return "EXCESSIVE";
2142 case MSG_MSGDUMP:
2143 return "MSGDUMP";
2144 case MSG_DEBUG:
2145 return "DEBUG";
2146 case MSG_INFO:
2147 return "INFO";
2148 case MSG_WARNING:
2149 return "WARNING";
2150 case MSG_ERROR:
2151 return "ERROR";
2152 default:
2153 return "?";
2154 }
2155 }
2156
2157
str_to_debug_level(const char * s)2158 static int str_to_debug_level(const char *s)
2159 {
2160 if (os_strcasecmp(s, "EXCESSIVE") == 0)
2161 return MSG_EXCESSIVE;
2162 if (os_strcasecmp(s, "MSGDUMP") == 0)
2163 return MSG_MSGDUMP;
2164 if (os_strcasecmp(s, "DEBUG") == 0)
2165 return MSG_DEBUG;
2166 if (os_strcasecmp(s, "INFO") == 0)
2167 return MSG_INFO;
2168 if (os_strcasecmp(s, "WARNING") == 0)
2169 return MSG_WARNING;
2170 if (os_strcasecmp(s, "ERROR") == 0)
2171 return MSG_ERROR;
2172 return -1;
2173 }
2174
2175
wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)2176 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
2177 char *cmd, char *buf,
2178 size_t buflen)
2179 {
2180 char *pos, *end, *stamp;
2181 int ret;
2182
2183 /* cmd: "LOG_LEVEL [<level>]" */
2184 if (*cmd == '\0') {
2185 pos = buf;
2186 end = buf + buflen;
2187 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
2188 "Timestamp: %d\n",
2189 debug_level_str(wpa_debug_level),
2190 wpa_debug_timestamp);
2191 if (os_snprintf_error(end - pos, ret))
2192 ret = 0;
2193
2194 return ret;
2195 }
2196
2197 while (*cmd == ' ')
2198 cmd++;
2199
2200 stamp = os_strchr(cmd, ' ');
2201 if (stamp) {
2202 *stamp++ = '\0';
2203 while (*stamp == ' ') {
2204 stamp++;
2205 }
2206 }
2207
2208 if (cmd && os_strlen(cmd)) {
2209 int level = str_to_debug_level(cmd);
2210 if (level < 0)
2211 return -1;
2212 wpa_debug_level = level;
2213 }
2214
2215 if (stamp && os_strlen(stamp))
2216 wpa_debug_timestamp = atoi(stamp);
2217
2218 os_memcpy(buf, "OK\n", 3);
2219 return 3;
2220 }
2221
2222
wpa_supplicant_ctrl_iface_list_networks(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)2223 static int wpa_supplicant_ctrl_iface_list_networks(
2224 struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2225 {
2226 char *pos, *end, *prev;
2227 struct wpa_ssid *ssid;
2228 int ret;
2229
2230 pos = buf;
2231 end = buf + buflen;
2232 ret = os_snprintf(pos, end - pos,
2233 "network id / ssid / bssid / flags\n");
2234 if (os_snprintf_error(end - pos, ret))
2235 return pos - buf;
2236 pos += ret;
2237
2238 ssid = wpa_s->conf->ssid;
2239
2240 /* skip over ssids until we find next one */
2241 if (cmd != NULL && os_strncmp(cmd, "LAST_ID=", 8) == 0) {
2242 int last_id = atoi(cmd + 8);
2243 if (last_id != -1) {
2244 while (ssid != NULL && ssid->id <= last_id) {
2245 ssid = ssid->next;
2246 }
2247 }
2248 }
2249
2250 while (ssid) {
2251 prev = pos;
2252 ret = os_snprintf(pos, end - pos, "%d\t%s",
2253 ssid->id,
2254 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
2255 if (os_snprintf_error(end - pos, ret))
2256 return prev - buf;
2257 pos += ret;
2258 if (ssid->bssid_set) {
2259 ret = os_snprintf(pos, end - pos, "\t" MACSTR,
2260 MAC2STR(ssid->bssid));
2261 } else {
2262 ret = os_snprintf(pos, end - pos, "\tany");
2263 }
2264 if (os_snprintf_error(end - pos, ret))
2265 return prev - buf;
2266 pos += ret;
2267 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
2268 ssid == wpa_s->current_ssid ?
2269 "[CURRENT]" : "",
2270 ssid->disabled ? "[DISABLED]" : "",
2271 ssid->disabled_until.sec ?
2272 "[TEMP-DISABLED]" : "",
2273 ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
2274 "");
2275 if (os_snprintf_error(end - pos, ret))
2276 return prev - buf;
2277 pos += ret;
2278 ret = os_snprintf(pos, end - pos, "\n");
2279 if (os_snprintf_error(end - pos, ret))
2280 return prev - buf;
2281 pos += ret;
2282
2283 ssid = ssid->next;
2284 }
2285
2286 return pos - buf;
2287 }
2288
2289
wpa_supplicant_cipher_txt(char * pos,char * end,int cipher)2290 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
2291 {
2292 int ret;
2293 ret = os_snprintf(pos, end - pos, "-");
2294 if (os_snprintf_error(end - pos, ret))
2295 return pos;
2296 pos += ret;
2297 ret = wpa_write_ciphers(pos, end, cipher, "+");
2298 if (ret < 0)
2299 return pos;
2300 pos += ret;
2301 return pos;
2302 }
2303
2304
wpa_supplicant_ie_txt(char * pos,char * end,const char * proto,const u8 * ie,size_t ie_len)2305 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
2306 const u8 *ie, size_t ie_len)
2307 {
2308 struct wpa_ie_data data;
2309 char *start;
2310 int ret;
2311
2312 ret = os_snprintf(pos, end - pos, "[%s-", proto);
2313 if (os_snprintf_error(end - pos, ret))
2314 return pos;
2315 pos += ret;
2316
2317 if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
2318 ret = os_snprintf(pos, end - pos, "?]");
2319 if (os_snprintf_error(end - pos, ret))
2320 return pos;
2321 pos += ret;
2322 return pos;
2323 }
2324
2325 start = pos;
2326 if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
2327 ret = os_snprintf(pos, end - pos, "%sEAP",
2328 pos == start ? "" : "+");
2329 if (os_snprintf_error(end - pos, ret))
2330 return pos;
2331 pos += ret;
2332 }
2333 if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
2334 ret = os_snprintf(pos, end - pos, "%sPSK",
2335 pos == start ? "" : "+");
2336 if (os_snprintf_error(end - pos, ret))
2337 return pos;
2338 pos += ret;
2339 }
2340 if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
2341 ret = os_snprintf(pos, end - pos, "%sNone",
2342 pos == start ? "" : "+");
2343 if (os_snprintf_error(end - pos, ret))
2344 return pos;
2345 pos += ret;
2346 }
2347 if (data.key_mgmt & WPA_KEY_MGMT_SAE) {
2348 ret = os_snprintf(pos, end - pos, "%sSAE",
2349 pos == start ? "" : "+");
2350 if (os_snprintf_error(end - pos, ret))
2351 return pos;
2352 pos += ret;
2353 }
2354 #ifdef CONFIG_IEEE80211R
2355 if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
2356 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
2357 pos == start ? "" : "+");
2358 if (os_snprintf_error(end - pos, ret))
2359 return pos;
2360 pos += ret;
2361 }
2362 if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
2363 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
2364 pos == start ? "" : "+");
2365 if (os_snprintf_error(end - pos, ret))
2366 return pos;
2367 pos += ret;
2368 }
2369 if (data.key_mgmt & WPA_KEY_MGMT_FT_SAE) {
2370 ret = os_snprintf(pos, end - pos, "%sFT/SAE",
2371 pos == start ? "" : "+");
2372 if (os_snprintf_error(end - pos, ret))
2373 return pos;
2374 pos += ret;
2375 }
2376 #endif /* CONFIG_IEEE80211R */
2377 #ifdef CONFIG_IEEE80211W
2378 if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
2379 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
2380 pos == start ? "" : "+");
2381 if (os_snprintf_error(end - pos, ret))
2382 return pos;
2383 pos += ret;
2384 }
2385 if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
2386 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
2387 pos == start ? "" : "+");
2388 if (os_snprintf_error(end - pos, ret))
2389 return pos;
2390 pos += ret;
2391 }
2392 #endif /* CONFIG_IEEE80211W */
2393
2394 #ifdef CONFIG_SUITEB
2395 if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
2396 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B",
2397 pos == start ? "" : "+");
2398 if (os_snprintf_error(end - pos, ret))
2399 return pos;
2400 pos += ret;
2401 }
2402 #endif /* CONFIG_SUITEB */
2403
2404 #ifdef CONFIG_SUITEB192
2405 if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
2406 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B-192",
2407 pos == start ? "" : "+");
2408 if (os_snprintf_error(end - pos, ret))
2409 return pos;
2410 pos += ret;
2411 }
2412 #endif /* CONFIG_SUITEB192 */
2413
2414 if (data.key_mgmt & WPA_KEY_MGMT_OSEN) {
2415 ret = os_snprintf(pos, end - pos, "%sOSEN",
2416 pos == start ? "" : "+");
2417 if (os_snprintf_error(end - pos, ret))
2418 return pos;
2419 pos += ret;
2420 }
2421
2422 pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
2423
2424 if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
2425 ret = os_snprintf(pos, end - pos, "-preauth");
2426 if (os_snprintf_error(end - pos, ret))
2427 return pos;
2428 pos += ret;
2429 }
2430
2431 ret = os_snprintf(pos, end - pos, "]");
2432 if (os_snprintf_error(end - pos, ret))
2433 return pos;
2434 pos += ret;
2435
2436 return pos;
2437 }
2438
2439
2440 #ifdef CONFIG_WPS
wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant * wpa_s,char * pos,char * end,struct wpabuf * wps_ie)2441 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
2442 char *pos, char *end,
2443 struct wpabuf *wps_ie)
2444 {
2445 int ret;
2446 const char *txt;
2447
2448 if (wps_ie == NULL)
2449 return pos;
2450 if (wps_is_selected_pbc_registrar(wps_ie))
2451 txt = "[WPS-PBC]";
2452 else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
2453 txt = "[WPS-AUTH]";
2454 else if (wps_is_selected_pin_registrar(wps_ie))
2455 txt = "[WPS-PIN]";
2456 else
2457 txt = "[WPS]";
2458
2459 ret = os_snprintf(pos, end - pos, "%s", txt);
2460 if (!os_snprintf_error(end - pos, ret))
2461 pos += ret;
2462 wpabuf_free(wps_ie);
2463 return pos;
2464 }
2465 #endif /* CONFIG_WPS */
2466
2467
wpa_supplicant_wps_ie_txt(struct wpa_supplicant * wpa_s,char * pos,char * end,const struct wpa_bss * bss)2468 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2469 char *pos, char *end,
2470 const struct wpa_bss *bss)
2471 {
2472 #ifdef CONFIG_WPS
2473 struct wpabuf *wps_ie;
2474 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2475 return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2476 #else /* CONFIG_WPS */
2477 return pos;
2478 #endif /* CONFIG_WPS */
2479 }
2480
2481
2482 /* 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)2483 static int wpa_supplicant_ctrl_iface_scan_result(
2484 struct wpa_supplicant *wpa_s,
2485 const struct wpa_bss *bss, char *buf, size_t buflen)
2486 {
2487 char *pos, *end;
2488 int ret;
2489 const u8 *ie, *ie2, *osen_ie, *p2p, *mesh;
2490
2491 mesh = wpa_bss_get_ie(bss, WLAN_EID_MESH_ID);
2492 p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2493 if (!p2p)
2494 p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2495 if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2496 os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2497 0)
2498 return 0; /* Do not show P2P listen discovery results here */
2499
2500 pos = buf;
2501 end = buf + buflen;
2502
2503 ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2504 MAC2STR(bss->bssid), bss->freq, bss->level);
2505 if (os_snprintf_error(end - pos, ret))
2506 return -1;
2507 pos += ret;
2508 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2509 if (ie)
2510 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2511 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2512 if (ie2) {
2513 pos = wpa_supplicant_ie_txt(pos, end, mesh ? "RSN" : "WPA2",
2514 ie2, 2 + ie2[1]);
2515 }
2516 osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
2517 if (osen_ie)
2518 pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
2519 osen_ie, 2 + osen_ie[1]);
2520 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2521 if (!ie && !ie2 && !osen_ie && (bss->caps & IEEE80211_CAP_PRIVACY)) {
2522 ret = os_snprintf(pos, end - pos, "[WEP]");
2523 if (os_snprintf_error(end - pos, ret))
2524 return -1;
2525 pos += ret;
2526 }
2527 if (mesh) {
2528 ret = os_snprintf(pos, end - pos, "[MESH]");
2529 if (os_snprintf_error(end - pos, ret))
2530 return -1;
2531 pos += ret;
2532 }
2533 if (bss_is_dmg(bss)) {
2534 const char *s;
2535 ret = os_snprintf(pos, end - pos, "[DMG]");
2536 if (os_snprintf_error(end - pos, ret))
2537 return -1;
2538 pos += ret;
2539 switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
2540 case IEEE80211_CAP_DMG_IBSS:
2541 s = "[IBSS]";
2542 break;
2543 case IEEE80211_CAP_DMG_AP:
2544 s = "[ESS]";
2545 break;
2546 case IEEE80211_CAP_DMG_PBSS:
2547 s = "[PBSS]";
2548 break;
2549 default:
2550 s = "";
2551 break;
2552 }
2553 ret = os_snprintf(pos, end - pos, "%s", s);
2554 if (os_snprintf_error(end - pos, ret))
2555 return -1;
2556 pos += ret;
2557 } else {
2558 if (bss->caps & IEEE80211_CAP_IBSS) {
2559 ret = os_snprintf(pos, end - pos, "[IBSS]");
2560 if (os_snprintf_error(end - pos, ret))
2561 return -1;
2562 pos += ret;
2563 }
2564 if (bss->caps & IEEE80211_CAP_ESS) {
2565 ret = os_snprintf(pos, end - pos, "[ESS]");
2566 if (os_snprintf_error(end - pos, ret))
2567 return -1;
2568 pos += ret;
2569 }
2570 }
2571 if (p2p) {
2572 ret = os_snprintf(pos, end - pos, "[P2P]");
2573 if (os_snprintf_error(end - pos, ret))
2574 return -1;
2575 pos += ret;
2576 }
2577 #ifdef CONFIG_HS20
2578 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2579 ret = os_snprintf(pos, end - pos, "[HS20]");
2580 if (os_snprintf_error(end - pos, ret))
2581 return -1;
2582 pos += ret;
2583 }
2584 #endif /* CONFIG_HS20 */
2585
2586 ret = os_snprintf(pos, end - pos, "\t%s",
2587 wpa_ssid_txt(bss->ssid, bss->ssid_len));
2588 if (os_snprintf_error(end - pos, ret))
2589 return -1;
2590 pos += ret;
2591
2592 ret = os_snprintf(pos, end - pos, "\n");
2593 if (os_snprintf_error(end - pos, ret))
2594 return -1;
2595 pos += ret;
2596
2597 return pos - buf;
2598 }
2599
2600
wpa_supplicant_ctrl_iface_scan_results(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)2601 static int wpa_supplicant_ctrl_iface_scan_results(
2602 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2603 {
2604 char *pos, *end;
2605 struct wpa_bss *bss;
2606 int ret;
2607
2608 pos = buf;
2609 end = buf + buflen;
2610 ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2611 "flags / ssid\n");
2612 if (os_snprintf_error(end - pos, ret))
2613 return pos - buf;
2614 pos += ret;
2615
2616 dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2617 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2618 end - pos);
2619 if (ret < 0 || ret >= end - pos)
2620 return pos - buf;
2621 pos += ret;
2622 }
2623
2624 return pos - buf;
2625 }
2626
2627
2628 #ifdef CONFIG_MESH
2629
wpa_supplicant_ctrl_iface_mesh_interface_add(struct wpa_supplicant * wpa_s,char * cmd,char * reply,size_t max_len)2630 static int wpa_supplicant_ctrl_iface_mesh_interface_add(
2631 struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
2632 {
2633 char *pos, ifname[IFNAMSIZ + 1];
2634
2635 ifname[0] = '\0';
2636
2637 pos = os_strstr(cmd, "ifname=");
2638 if (pos) {
2639 pos += 7;
2640 os_strlcpy(ifname, pos, sizeof(ifname));
2641 }
2642
2643 if (wpas_mesh_add_interface(wpa_s, ifname, sizeof(ifname)) < 0)
2644 return -1;
2645
2646 os_strlcpy(reply, ifname, max_len);
2647 return os_strlen(ifname);
2648 }
2649
2650
wpa_supplicant_ctrl_iface_mesh_group_add(struct wpa_supplicant * wpa_s,char * cmd)2651 static int wpa_supplicant_ctrl_iface_mesh_group_add(
2652 struct wpa_supplicant *wpa_s, char *cmd)
2653 {
2654 int id;
2655 struct wpa_ssid *ssid;
2656
2657 id = atoi(cmd);
2658 wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_ADD id=%d", id);
2659
2660 ssid = wpa_config_get_network(wpa_s->conf, id);
2661 if (ssid == NULL) {
2662 wpa_printf(MSG_DEBUG,
2663 "CTRL_IFACE: Could not find network id=%d", id);
2664 return -1;
2665 }
2666 if (ssid->mode != WPAS_MODE_MESH) {
2667 wpa_printf(MSG_DEBUG,
2668 "CTRL_IFACE: Cannot use MESH_GROUP_ADD on a non mesh network");
2669 return -1;
2670 }
2671 if (ssid->key_mgmt != WPA_KEY_MGMT_NONE &&
2672 ssid->key_mgmt != WPA_KEY_MGMT_SAE) {
2673 wpa_printf(MSG_ERROR,
2674 "CTRL_IFACE: key_mgmt for mesh network should be open or SAE");
2675 return -1;
2676 }
2677
2678 /*
2679 * TODO: If necessary write our own group_add function,
2680 * for now we can reuse select_network
2681 */
2682 wpa_supplicant_select_network(wpa_s, ssid);
2683
2684 return 0;
2685 }
2686
2687
wpa_supplicant_ctrl_iface_mesh_group_remove(struct wpa_supplicant * wpa_s,char * cmd)2688 static int wpa_supplicant_ctrl_iface_mesh_group_remove(
2689 struct wpa_supplicant *wpa_s, char *cmd)
2690 {
2691 struct wpa_supplicant *orig;
2692 struct wpa_global *global;
2693 int found = 0;
2694
2695 wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s", cmd);
2696
2697 global = wpa_s->global;
2698 orig = wpa_s;
2699
2700 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2701 if (os_strcmp(wpa_s->ifname, cmd) == 0) {
2702 found = 1;
2703 break;
2704 }
2705 }
2706 if (!found) {
2707 wpa_printf(MSG_ERROR,
2708 "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s not found",
2709 cmd);
2710 return -1;
2711 }
2712 if (wpa_s->mesh_if_created && wpa_s == orig) {
2713 wpa_printf(MSG_ERROR,
2714 "CTRL_IFACE: MESH_GROUP_REMOVE can't remove itself");
2715 return -1;
2716 }
2717
2718 wpa_s->reassociate = 0;
2719 wpa_s->disconnected = 1;
2720 wpa_supplicant_cancel_sched_scan(wpa_s);
2721 wpa_supplicant_cancel_scan(wpa_s);
2722
2723 /*
2724 * TODO: If necessary write our own group_remove function,
2725 * for now we can reuse deauthenticate
2726 */
2727 wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2728
2729 if (wpa_s->mesh_if_created)
2730 wpa_supplicant_remove_iface(global, wpa_s, 0);
2731
2732 return 0;
2733 }
2734
2735 #endif /* CONFIG_MESH */
2736
2737
wpa_supplicant_ctrl_iface_select_network(struct wpa_supplicant * wpa_s,char * cmd)2738 static int wpa_supplicant_ctrl_iface_select_network(
2739 struct wpa_supplicant *wpa_s, char *cmd)
2740 {
2741 int id;
2742 struct wpa_ssid *ssid;
2743 char *pos;
2744
2745 /* cmd: "<network id>" or "any" */
2746 if (os_strncmp(cmd, "any", 3) == 0) {
2747 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2748 ssid = NULL;
2749 } else {
2750 id = atoi(cmd);
2751 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2752
2753 ssid = wpa_config_get_network(wpa_s->conf, id);
2754 if (ssid == NULL) {
2755 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2756 "network id=%d", id);
2757 return -1;
2758 }
2759 if (ssid->disabled == 2) {
2760 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2761 "SELECT_NETWORK with persistent P2P group");
2762 return -1;
2763 }
2764 }
2765
2766 pos = os_strstr(cmd, " freq=");
2767 if (pos) {
2768 int *freqs = freq_range_to_channel_list(wpa_s, pos + 6);
2769 if (freqs) {
2770 wpa_s->scan_req = MANUAL_SCAN_REQ;
2771 os_free(wpa_s->manual_scan_freqs);
2772 wpa_s->manual_scan_freqs = freqs;
2773 }
2774 }
2775
2776 wpa_supplicant_select_network(wpa_s, ssid);
2777
2778 return 0;
2779 }
2780
2781
wpa_supplicant_ctrl_iface_enable_network(struct wpa_supplicant * wpa_s,char * cmd)2782 static int wpa_supplicant_ctrl_iface_enable_network(
2783 struct wpa_supplicant *wpa_s, char *cmd)
2784 {
2785 int id;
2786 struct wpa_ssid *ssid;
2787
2788 /* cmd: "<network id>" or "all" */
2789 if (os_strcmp(cmd, "all") == 0) {
2790 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2791 ssid = NULL;
2792 } else {
2793 id = atoi(cmd);
2794 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2795
2796 ssid = wpa_config_get_network(wpa_s->conf, id);
2797 if (ssid == NULL) {
2798 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2799 "network id=%d", id);
2800 return -1;
2801 }
2802 if (ssid->disabled == 2) {
2803 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2804 "ENABLE_NETWORK with persistent P2P group");
2805 return -1;
2806 }
2807
2808 if (os_strstr(cmd, " no-connect")) {
2809 ssid->disabled = 0;
2810 return 0;
2811 }
2812 }
2813 wpa_supplicant_enable_network(wpa_s, ssid);
2814
2815 return 0;
2816 }
2817
2818
wpa_supplicant_ctrl_iface_disable_network(struct wpa_supplicant * wpa_s,char * cmd)2819 static int wpa_supplicant_ctrl_iface_disable_network(
2820 struct wpa_supplicant *wpa_s, char *cmd)
2821 {
2822 int id;
2823 struct wpa_ssid *ssid;
2824
2825 /* cmd: "<network id>" or "all" */
2826 if (os_strcmp(cmd, "all") == 0) {
2827 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2828 ssid = NULL;
2829 } else {
2830 id = atoi(cmd);
2831 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2832
2833 ssid = wpa_config_get_network(wpa_s->conf, id);
2834 if (ssid == NULL) {
2835 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2836 "network id=%d", id);
2837 return -1;
2838 }
2839 if (ssid->disabled == 2) {
2840 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2841 "DISABLE_NETWORK with persistent P2P "
2842 "group");
2843 return -1;
2844 }
2845 }
2846 wpa_supplicant_disable_network(wpa_s, ssid);
2847
2848 return 0;
2849 }
2850
2851
wpa_supplicant_ctrl_iface_add_network(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)2852 static int wpa_supplicant_ctrl_iface_add_network(
2853 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2854 {
2855 struct wpa_ssid *ssid;
2856 int ret;
2857
2858 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2859
2860 ssid = wpa_config_add_network(wpa_s->conf);
2861 if (ssid == NULL)
2862 return -1;
2863
2864 wpas_notify_network_added(wpa_s, ssid);
2865
2866 ssid->disabled = 1;
2867 wpa_config_set_network_defaults(ssid);
2868
2869 ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2870 if (os_snprintf_error(buflen, ret))
2871 return -1;
2872 return ret;
2873 }
2874
2875
wpa_supplicant_ctrl_iface_remove_network(struct wpa_supplicant * wpa_s,char * cmd)2876 static int wpa_supplicant_ctrl_iface_remove_network(
2877 struct wpa_supplicant *wpa_s, char *cmd)
2878 {
2879 int id;
2880 struct wpa_ssid *ssid;
2881 int was_disabled;
2882
2883 /* cmd: "<network id>" or "all" */
2884 if (os_strcmp(cmd, "all") == 0) {
2885 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2886 if (wpa_s->sched_scanning)
2887 wpa_supplicant_cancel_sched_scan(wpa_s);
2888
2889 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2890 if (wpa_s->current_ssid) {
2891 #ifdef CONFIG_SME
2892 wpa_s->sme.prev_bssid_set = 0;
2893 #endif /* CONFIG_SME */
2894 wpa_sm_set_config(wpa_s->wpa, NULL);
2895 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2896 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2897 wpa_s->own_disconnect_req = 1;
2898 wpa_supplicant_deauthenticate(
2899 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2900 }
2901 ssid = wpa_s->conf->ssid;
2902 while (ssid) {
2903 struct wpa_ssid *remove_ssid = ssid;
2904 id = ssid->id;
2905 ssid = ssid->next;
2906 if (wpa_s->last_ssid == remove_ssid)
2907 wpa_s->last_ssid = NULL;
2908 wpas_notify_network_removed(wpa_s, remove_ssid);
2909 wpa_config_remove_network(wpa_s->conf, id);
2910 }
2911 return 0;
2912 }
2913
2914 id = atoi(cmd);
2915 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2916
2917 ssid = wpa_config_get_network(wpa_s->conf, id);
2918 if (ssid)
2919 wpas_notify_network_removed(wpa_s, ssid);
2920 if (ssid == NULL) {
2921 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2922 "id=%d", id);
2923 return -1;
2924 }
2925
2926 if (wpa_s->last_ssid == ssid)
2927 wpa_s->last_ssid = NULL;
2928
2929 if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2930 #ifdef CONFIG_SME
2931 wpa_s->sme.prev_bssid_set = 0;
2932 #endif /* CONFIG_SME */
2933 /*
2934 * Invalidate the EAP session cache if the current or
2935 * previously used network is removed.
2936 */
2937 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2938 }
2939
2940 if (ssid == wpa_s->current_ssid) {
2941 wpa_sm_set_config(wpa_s->wpa, NULL);
2942 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2943
2944 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2945 wpa_s->own_disconnect_req = 1;
2946 wpa_supplicant_deauthenticate(wpa_s,
2947 WLAN_REASON_DEAUTH_LEAVING);
2948 }
2949
2950 was_disabled = ssid->disabled;
2951
2952 if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2953 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2954 "network id=%d", id);
2955 return -1;
2956 }
2957
2958 if (!was_disabled && wpa_s->sched_scanning) {
2959 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2960 "network from filters");
2961 wpa_supplicant_cancel_sched_scan(wpa_s);
2962 wpa_supplicant_req_scan(wpa_s, 0, 0);
2963 }
2964
2965 return 0;
2966 }
2967
2968
wpa_supplicant_ctrl_iface_update_network(struct wpa_supplicant * wpa_s,struct wpa_ssid * ssid,char * name,char * value)2969 static int wpa_supplicant_ctrl_iface_update_network(
2970 struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
2971 char *name, char *value)
2972 {
2973 if (wpa_config_set(ssid, name, value, 0) < 0) {
2974 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2975 "variable '%s'", name);
2976 return -1;
2977 }
2978
2979 if (os_strcmp(name, "bssid") != 0 &&
2980 os_strcmp(name, "priority") != 0)
2981 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2982
2983 if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2984 /*
2985 * Invalidate the EAP session cache if anything in the current
2986 * or previously used configuration changes.
2987 */
2988 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2989 }
2990
2991 if ((os_strcmp(name, "psk") == 0 &&
2992 value[0] == '"' && ssid->ssid_len) ||
2993 (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2994 wpa_config_update_psk(ssid);
2995 else if (os_strcmp(name, "priority") == 0)
2996 wpa_config_update_prio_list(wpa_s->conf);
2997
2998 return 0;
2999 }
3000
3001
wpa_supplicant_ctrl_iface_set_network(struct wpa_supplicant * wpa_s,char * cmd)3002 static int wpa_supplicant_ctrl_iface_set_network(
3003 struct wpa_supplicant *wpa_s, char *cmd)
3004 {
3005 int id, ret, prev_bssid_set, prev_disabled;
3006 struct wpa_ssid *ssid;
3007 char *name, *value;
3008 u8 prev_bssid[ETH_ALEN];
3009
3010 /* cmd: "<network id> <variable name> <value>" */
3011 name = os_strchr(cmd, ' ');
3012 if (name == NULL)
3013 return -1;
3014 *name++ = '\0';
3015
3016 value = os_strchr(name, ' ');
3017 if (value == NULL)
3018 return -1;
3019 *value++ = '\0';
3020
3021 id = atoi(cmd);
3022 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
3023 id, name);
3024 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3025 (u8 *) value, os_strlen(value));
3026
3027 ssid = wpa_config_get_network(wpa_s->conf, id);
3028 if (ssid == NULL) {
3029 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
3030 "id=%d", id);
3031 return -1;
3032 }
3033
3034 prev_bssid_set = ssid->bssid_set;
3035 prev_disabled = ssid->disabled;
3036 os_memcpy(prev_bssid, ssid->bssid, ETH_ALEN);
3037 ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid, name,
3038 value);
3039 if (ret == 0 &&
3040 (ssid->bssid_set != prev_bssid_set ||
3041 os_memcmp(ssid->bssid, prev_bssid, ETH_ALEN) != 0))
3042 wpas_notify_network_bssid_set_changed(wpa_s, ssid);
3043
3044 if (prev_disabled != ssid->disabled &&
3045 (prev_disabled == 2 || ssid->disabled == 2))
3046 wpas_notify_network_type_changed(wpa_s, ssid);
3047
3048 return ret;
3049 }
3050
3051
wpa_supplicant_ctrl_iface_get_network(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)3052 static int wpa_supplicant_ctrl_iface_get_network(
3053 struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
3054 {
3055 int id;
3056 size_t res;
3057 struct wpa_ssid *ssid;
3058 char *name, *value;
3059
3060 /* cmd: "<network id> <variable name>" */
3061 name = os_strchr(cmd, ' ');
3062 if (name == NULL || buflen == 0)
3063 return -1;
3064 *name++ = '\0';
3065
3066 id = atoi(cmd);
3067 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
3068 id, name);
3069
3070 ssid = wpa_config_get_network(wpa_s->conf, id);
3071 if (ssid == NULL) {
3072 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
3073 "id=%d", id);
3074 return -1;
3075 }
3076
3077 value = wpa_config_get_no_key(ssid, name);
3078 if (value == NULL) {
3079 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3080 "variable '%s'", name);
3081 return -1;
3082 }
3083
3084 res = os_strlcpy(buf, value, buflen);
3085 if (res >= buflen) {
3086 os_free(value);
3087 return -1;
3088 }
3089
3090 os_free(value);
3091
3092 return res;
3093 }
3094
3095
wpa_supplicant_ctrl_iface_dup_network(struct wpa_supplicant * wpa_s,char * cmd)3096 static int wpa_supplicant_ctrl_iface_dup_network(
3097 struct wpa_supplicant *wpa_s, char *cmd)
3098 {
3099 struct wpa_ssid *ssid_s, *ssid_d;
3100 char *name, *id, *value;
3101 int id_s, id_d, ret;
3102
3103 /* cmd: "<src network id> <dst network id> <variable name>" */
3104 id = os_strchr(cmd, ' ');
3105 if (id == NULL)
3106 return -1;
3107 *id++ = '\0';
3108
3109 name = os_strchr(id, ' ');
3110 if (name == NULL)
3111 return -1;
3112 *name++ = '\0';
3113
3114 id_s = atoi(cmd);
3115 id_d = atoi(id);
3116 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DUP_NETWORK id=%d -> %d name='%s'",
3117 id_s, id_d, name);
3118
3119 ssid_s = wpa_config_get_network(wpa_s->conf, id_s);
3120 if (ssid_s == NULL) {
3121 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3122 "network id=%d", id_s);
3123 return -1;
3124 }
3125
3126 ssid_d = wpa_config_get_network(wpa_s->conf, id_d);
3127 if (ssid_d == NULL) {
3128 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3129 "network id=%d", id_d);
3130 return -1;
3131 }
3132
3133 value = wpa_config_get(ssid_s, name);
3134 if (value == NULL) {
3135 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3136 "variable '%s'", name);
3137 return -1;
3138 }
3139
3140 ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid_d, name,
3141 value);
3142
3143 os_free(value);
3144
3145 return ret;
3146 }
3147
3148
wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)3149 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
3150 char *buf, size_t buflen)
3151 {
3152 char *pos, *end;
3153 struct wpa_cred *cred;
3154 int ret;
3155
3156 pos = buf;
3157 end = buf + buflen;
3158 ret = os_snprintf(pos, end - pos,
3159 "cred id / realm / username / domain / imsi\n");
3160 if (os_snprintf_error(end - pos, ret))
3161 return pos - buf;
3162 pos += ret;
3163
3164 cred = wpa_s->conf->cred;
3165 while (cred) {
3166 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
3167 cred->id, cred->realm ? cred->realm : "",
3168 cred->username ? cred->username : "",
3169 cred->domain ? cred->domain[0] : "",
3170 cred->imsi ? cred->imsi : "");
3171 if (os_snprintf_error(end - pos, ret))
3172 return pos - buf;
3173 pos += ret;
3174
3175 cred = cred->next;
3176 }
3177
3178 return pos - buf;
3179 }
3180
3181
wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)3182 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
3183 char *buf, size_t buflen)
3184 {
3185 struct wpa_cred *cred;
3186 int ret;
3187
3188 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
3189
3190 cred = wpa_config_add_cred(wpa_s->conf);
3191 if (cred == NULL)
3192 return -1;
3193
3194 wpa_msg(wpa_s, MSG_INFO, CRED_ADDED "%d", cred->id);
3195
3196 ret = os_snprintf(buf, buflen, "%d\n", cred->id);
3197 if (os_snprintf_error(buflen, ret))
3198 return -1;
3199 return ret;
3200 }
3201
3202
wpas_ctrl_remove_cred(struct wpa_supplicant * wpa_s,struct wpa_cred * cred)3203 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
3204 struct wpa_cred *cred)
3205 {
3206 struct wpa_ssid *ssid;
3207 char str[20];
3208 int id;
3209
3210 if (cred == NULL) {
3211 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3212 return -1;
3213 }
3214
3215 id = cred->id;
3216 if (wpa_config_remove_cred(wpa_s->conf, id) < 0) {
3217 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3218 return -1;
3219 }
3220
3221 wpa_msg(wpa_s, MSG_INFO, CRED_REMOVED "%d", id);
3222
3223 /* Remove any network entry created based on the removed credential */
3224 ssid = wpa_s->conf->ssid;
3225 while (ssid) {
3226 if (ssid->parent_cred == cred) {
3227 int res;
3228
3229 wpa_printf(MSG_DEBUG, "Remove network id %d since it "
3230 "used the removed credential", ssid->id);
3231 res = os_snprintf(str, sizeof(str), "%d", ssid->id);
3232 if (os_snprintf_error(sizeof(str), res))
3233 str[sizeof(str) - 1] = '\0';
3234 ssid = ssid->next;
3235 wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
3236 } else
3237 ssid = ssid->next;
3238 }
3239
3240 return 0;
3241 }
3242
3243
wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant * wpa_s,char * cmd)3244 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
3245 char *cmd)
3246 {
3247 int id;
3248 struct wpa_cred *cred, *prev;
3249
3250 /* cmd: "<cred id>", "all", "sp_fqdn=<FQDN>", or
3251 * "provisioning_sp=<FQDN> */
3252 if (os_strcmp(cmd, "all") == 0) {
3253 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
3254 cred = wpa_s->conf->cred;
3255 while (cred) {
3256 prev = cred;
3257 cred = cred->next;
3258 wpas_ctrl_remove_cred(wpa_s, prev);
3259 }
3260 return 0;
3261 }
3262
3263 if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
3264 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
3265 cmd + 8);
3266 cred = wpa_s->conf->cred;
3267 while (cred) {
3268 prev = cred;
3269 cred = cred->next;
3270 if (prev->domain) {
3271 size_t i;
3272 for (i = 0; i < prev->num_domain; i++) {
3273 if (os_strcmp(prev->domain[i], cmd + 8)
3274 != 0)
3275 continue;
3276 wpas_ctrl_remove_cred(wpa_s, prev);
3277 break;
3278 }
3279 }
3280 }
3281 return 0;
3282 }
3283
3284 if (os_strncmp(cmd, "provisioning_sp=", 16) == 0) {
3285 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED provisioning SP FQDN '%s'",
3286 cmd + 16);
3287 cred = wpa_s->conf->cred;
3288 while (cred) {
3289 prev = cred;
3290 cred = cred->next;
3291 if (prev->provisioning_sp &&
3292 os_strcmp(prev->provisioning_sp, cmd + 16) == 0)
3293 wpas_ctrl_remove_cred(wpa_s, prev);
3294 }
3295 return 0;
3296 }
3297
3298 id = atoi(cmd);
3299 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
3300
3301 cred = wpa_config_get_cred(wpa_s->conf, id);
3302 return wpas_ctrl_remove_cred(wpa_s, cred);
3303 }
3304
3305
wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant * wpa_s,char * cmd)3306 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
3307 char *cmd)
3308 {
3309 int id;
3310 struct wpa_cred *cred;
3311 char *name, *value;
3312
3313 /* cmd: "<cred id> <variable name> <value>" */
3314 name = os_strchr(cmd, ' ');
3315 if (name == NULL)
3316 return -1;
3317 *name++ = '\0';
3318
3319 value = os_strchr(name, ' ');
3320 if (value == NULL)
3321 return -1;
3322 *value++ = '\0';
3323
3324 id = atoi(cmd);
3325 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
3326 id, name);
3327 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3328 (u8 *) value, os_strlen(value));
3329
3330 cred = wpa_config_get_cred(wpa_s->conf, id);
3331 if (cred == NULL) {
3332 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3333 id);
3334 return -1;
3335 }
3336
3337 if (wpa_config_set_cred(cred, name, value, 0) < 0) {
3338 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
3339 "variable '%s'", name);
3340 return -1;
3341 }
3342
3343 wpa_msg(wpa_s, MSG_INFO, CRED_MODIFIED "%d %s", cred->id, name);
3344
3345 return 0;
3346 }
3347
3348
wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)3349 static int wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant *wpa_s,
3350 char *cmd, char *buf,
3351 size_t buflen)
3352 {
3353 int id;
3354 size_t res;
3355 struct wpa_cred *cred;
3356 char *name, *value;
3357
3358 /* cmd: "<cred id> <variable name>" */
3359 name = os_strchr(cmd, ' ');
3360 if (name == NULL)
3361 return -1;
3362 *name++ = '\0';
3363
3364 id = atoi(cmd);
3365 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CRED id=%d name='%s'",
3366 id, name);
3367
3368 cred = wpa_config_get_cred(wpa_s->conf, id);
3369 if (cred == NULL) {
3370 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3371 id);
3372 return -1;
3373 }
3374
3375 value = wpa_config_get_cred_no_key(cred, name);
3376 if (value == NULL) {
3377 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get cred variable '%s'",
3378 name);
3379 return -1;
3380 }
3381
3382 res = os_strlcpy(buf, value, buflen);
3383 if (res >= buflen) {
3384 os_free(value);
3385 return -1;
3386 }
3387
3388 os_free(value);
3389
3390 return res;
3391 }
3392
3393
3394 #ifndef CONFIG_NO_CONFIG_WRITE
wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant * wpa_s)3395 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
3396 {
3397 int ret;
3398
3399 if (!wpa_s->conf->update_config) {
3400 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
3401 "to update configuration (update_config=0)");
3402 return -1;
3403 }
3404
3405 ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
3406 if (ret) {
3407 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
3408 "update configuration");
3409 } else {
3410 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
3411 " updated");
3412 }
3413
3414 return ret;
3415 }
3416 #endif /* CONFIG_NO_CONFIG_WRITE */
3417
3418
3419 struct cipher_info {
3420 unsigned int capa;
3421 const char *name;
3422 int group_only;
3423 };
3424
3425 static const struct cipher_info ciphers[] = {
3426 { WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
3427 { WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
3428 { WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
3429 { WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
3430 { WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
3431 { WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
3432 { WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
3433 { WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
3434 };
3435
3436 static const struct cipher_info ciphers_group_mgmt[] = {
3437 { WPA_DRIVER_CAPA_ENC_BIP, "AES-128-CMAC", 1 },
3438 { WPA_DRIVER_CAPA_ENC_BIP_GMAC_128, "BIP-GMAC-128", 1 },
3439 { WPA_DRIVER_CAPA_ENC_BIP_GMAC_256, "BIP-GMAC-256", 1 },
3440 { WPA_DRIVER_CAPA_ENC_BIP_CMAC_256, "BIP-CMAC-256", 1 },
3441 };
3442
3443
ctrl_iface_get_capability_pairwise(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)3444 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
3445 struct wpa_driver_capa *capa,
3446 char *buf, size_t buflen)
3447 {
3448 int ret;
3449 char *pos, *end;
3450 size_t len;
3451 unsigned int i;
3452
3453 pos = buf;
3454 end = pos + buflen;
3455
3456 if (res < 0) {
3457 if (strict)
3458 return 0;
3459 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
3460 if (len >= buflen)
3461 return -1;
3462 return len;
3463 }
3464
3465 for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3466 if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
3467 ret = os_snprintf(pos, end - pos, "%s%s",
3468 pos == buf ? "" : " ",
3469 ciphers[i].name);
3470 if (os_snprintf_error(end - pos, ret))
3471 return pos - buf;
3472 pos += ret;
3473 }
3474 }
3475
3476 return pos - buf;
3477 }
3478
3479
ctrl_iface_get_capability_group(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)3480 static int ctrl_iface_get_capability_group(int res, char *strict,
3481 struct wpa_driver_capa *capa,
3482 char *buf, size_t buflen)
3483 {
3484 int ret;
3485 char *pos, *end;
3486 size_t len;
3487 unsigned int i;
3488
3489 pos = buf;
3490 end = pos + buflen;
3491
3492 if (res < 0) {
3493 if (strict)
3494 return 0;
3495 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
3496 if (len >= buflen)
3497 return -1;
3498 return len;
3499 }
3500
3501 for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3502 if (capa->enc & ciphers[i].capa) {
3503 ret = os_snprintf(pos, end - pos, "%s%s",
3504 pos == buf ? "" : " ",
3505 ciphers[i].name);
3506 if (os_snprintf_error(end - pos, ret))
3507 return pos - buf;
3508 pos += ret;
3509 }
3510 }
3511
3512 return pos - buf;
3513 }
3514
3515
ctrl_iface_get_capability_group_mgmt(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)3516 static int ctrl_iface_get_capability_group_mgmt(int res, char *strict,
3517 struct wpa_driver_capa *capa,
3518 char *buf, size_t buflen)
3519 {
3520 int ret;
3521 char *pos, *end;
3522 unsigned int i;
3523
3524 pos = buf;
3525 end = pos + buflen;
3526
3527 if (res < 0)
3528 return 0;
3529
3530 for (i = 0; i < ARRAY_SIZE(ciphers_group_mgmt); i++) {
3531 if (capa->enc & ciphers_group_mgmt[i].capa) {
3532 ret = os_snprintf(pos, end - pos, "%s%s",
3533 pos == buf ? "" : " ",
3534 ciphers_group_mgmt[i].name);
3535 if (os_snprintf_error(end - pos, ret))
3536 return pos - buf;
3537 pos += ret;
3538 }
3539 }
3540
3541 return pos - buf;
3542 }
3543
3544
ctrl_iface_get_capability_key_mgmt(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)3545 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
3546 struct wpa_driver_capa *capa,
3547 char *buf, size_t buflen)
3548 {
3549 int ret;
3550 char *pos, *end;
3551 size_t len;
3552
3553 pos = buf;
3554 end = pos + buflen;
3555
3556 if (res < 0) {
3557 if (strict)
3558 return 0;
3559 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
3560 "NONE", buflen);
3561 if (len >= buflen)
3562 return -1;
3563 return len;
3564 }
3565
3566 ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
3567 if (os_snprintf_error(end - pos, ret))
3568 return pos - buf;
3569 pos += ret;
3570
3571 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3572 WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
3573 ret = os_snprintf(pos, end - pos, " WPA-EAP");
3574 if (os_snprintf_error(end - pos, ret))
3575 return pos - buf;
3576 pos += ret;
3577 }
3578
3579 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3580 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3581 ret = os_snprintf(pos, end - pos, " WPA-PSK");
3582 if (os_snprintf_error(end - pos, ret))
3583 return pos - buf;
3584 pos += ret;
3585 }
3586
3587 if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
3588 ret = os_snprintf(pos, end - pos, " WPA-NONE");
3589 if (os_snprintf_error(end - pos, ret))
3590 return pos - buf;
3591 pos += ret;
3592 }
3593
3594 #ifdef CONFIG_SUITEB
3595 if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B) {
3596 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B");
3597 if (os_snprintf_error(end - pos, ret))
3598 return pos - buf;
3599 pos += ret;
3600 }
3601 #endif /* CONFIG_SUITEB */
3602 #ifdef CONFIG_SUITEB192
3603 if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192) {
3604 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B-192");
3605 if (os_snprintf_error(end - pos, ret))
3606 return pos - buf;
3607 pos += ret;
3608 }
3609 #endif /* CONFIG_SUITEB192 */
3610
3611 return pos - buf;
3612 }
3613
3614
ctrl_iface_get_capability_proto(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)3615 static int ctrl_iface_get_capability_proto(int res, char *strict,
3616 struct wpa_driver_capa *capa,
3617 char *buf, size_t buflen)
3618 {
3619 int ret;
3620 char *pos, *end;
3621 size_t len;
3622
3623 pos = buf;
3624 end = pos + buflen;
3625
3626 if (res < 0) {
3627 if (strict)
3628 return 0;
3629 len = os_strlcpy(buf, "RSN WPA", buflen);
3630 if (len >= buflen)
3631 return -1;
3632 return len;
3633 }
3634
3635 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3636 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3637 ret = os_snprintf(pos, end - pos, "%sRSN",
3638 pos == buf ? "" : " ");
3639 if (os_snprintf_error(end - pos, ret))
3640 return pos - buf;
3641 pos += ret;
3642 }
3643
3644 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3645 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
3646 ret = os_snprintf(pos, end - pos, "%sWPA",
3647 pos == buf ? "" : " ");
3648 if (os_snprintf_error(end - pos, ret))
3649 return pos - buf;
3650 pos += ret;
3651 }
3652
3653 return pos - buf;
3654 }
3655
3656
ctrl_iface_get_capability_auth_alg(struct wpa_supplicant * wpa_s,int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)3657 static int ctrl_iface_get_capability_auth_alg(struct wpa_supplicant *wpa_s,
3658 int res, char *strict,
3659 struct wpa_driver_capa *capa,
3660 char *buf, size_t buflen)
3661 {
3662 int ret;
3663 char *pos, *end;
3664 size_t len;
3665
3666 pos = buf;
3667 end = pos + buflen;
3668
3669 if (res < 0) {
3670 if (strict)
3671 return 0;
3672 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3673 if (len >= buflen)
3674 return -1;
3675 return len;
3676 }
3677
3678 if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3679 ret = os_snprintf(pos, end - pos, "%sOPEN",
3680 pos == buf ? "" : " ");
3681 if (os_snprintf_error(end - pos, ret))
3682 return pos - buf;
3683 pos += ret;
3684 }
3685
3686 if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
3687 ret = os_snprintf(pos, end - pos, "%sSHARED",
3688 pos == buf ? "" : " ");
3689 if (os_snprintf_error(end - pos, ret))
3690 return pos - buf;
3691 pos += ret;
3692 }
3693
3694 if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3695 ret = os_snprintf(pos, end - pos, "%sLEAP",
3696 pos == buf ? "" : " ");
3697 if (os_snprintf_error(end - pos, ret))
3698 return pos - buf;
3699 pos += ret;
3700 }
3701
3702 #ifdef CONFIG_SAE
3703 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE) {
3704 ret = os_snprintf(pos, end - pos, "%sSAE",
3705 pos == buf ? "" : " ");
3706 if (os_snprintf_error(end - pos, ret))
3707 return pos - buf;
3708 pos += ret;
3709 }
3710 #endif /* CONFIG_SAE */
3711
3712 return pos - buf;
3713 }
3714
3715
ctrl_iface_get_capability_modes(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)3716 static int ctrl_iface_get_capability_modes(int res, char *strict,
3717 struct wpa_driver_capa *capa,
3718 char *buf, size_t buflen)
3719 {
3720 int ret;
3721 char *pos, *end;
3722 size_t len;
3723
3724 pos = buf;
3725 end = pos + buflen;
3726
3727 if (res < 0) {
3728 if (strict)
3729 return 0;
3730 len = os_strlcpy(buf, "IBSS AP", buflen);
3731 if (len >= buflen)
3732 return -1;
3733 return len;
3734 }
3735
3736 if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3737 ret = os_snprintf(pos, end - pos, "%sIBSS",
3738 pos == buf ? "" : " ");
3739 if (os_snprintf_error(end - pos, ret))
3740 return pos - buf;
3741 pos += ret;
3742 }
3743
3744 if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3745 ret = os_snprintf(pos, end - pos, "%sAP",
3746 pos == buf ? "" : " ");
3747 if (os_snprintf_error(end - pos, ret))
3748 return pos - buf;
3749 pos += ret;
3750 }
3751
3752 #ifdef CONFIG_MESH
3753 if (capa->flags & WPA_DRIVER_FLAGS_MESH) {
3754 ret = os_snprintf(pos, end - pos, "%sMESH",
3755 pos == buf ? "" : " ");
3756 if (os_snprintf_error(end - pos, ret))
3757 return pos - buf;
3758 pos += ret;
3759 }
3760 #endif /* CONFIG_MESH */
3761
3762 return pos - buf;
3763 }
3764
3765
ctrl_iface_get_capability_channels(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)3766 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3767 char *buf, size_t buflen)
3768 {
3769 struct hostapd_channel_data *chnl;
3770 int ret, i, j;
3771 char *pos, *end, *hmode;
3772
3773 pos = buf;
3774 end = pos + buflen;
3775
3776 for (j = 0; j < wpa_s->hw.num_modes; j++) {
3777 switch (wpa_s->hw.modes[j].mode) {
3778 case HOSTAPD_MODE_IEEE80211B:
3779 hmode = "B";
3780 break;
3781 case HOSTAPD_MODE_IEEE80211G:
3782 hmode = "G";
3783 break;
3784 case HOSTAPD_MODE_IEEE80211A:
3785 hmode = "A";
3786 break;
3787 case HOSTAPD_MODE_IEEE80211AD:
3788 hmode = "AD";
3789 break;
3790 default:
3791 continue;
3792 }
3793 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3794 if (os_snprintf_error(end - pos, ret))
3795 return pos - buf;
3796 pos += ret;
3797 chnl = wpa_s->hw.modes[j].channels;
3798 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3799 if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3800 continue;
3801 ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3802 if (os_snprintf_error(end - pos, ret))
3803 return pos - buf;
3804 pos += ret;
3805 }
3806 ret = os_snprintf(pos, end - pos, "\n");
3807 if (os_snprintf_error(end - pos, ret))
3808 return pos - buf;
3809 pos += ret;
3810 }
3811
3812 return pos - buf;
3813 }
3814
3815
ctrl_iface_get_capability_freq(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)3816 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3817 char *buf, size_t buflen)
3818 {
3819 struct hostapd_channel_data *chnl;
3820 int ret, i, j;
3821 char *pos, *end, *hmode;
3822
3823 pos = buf;
3824 end = pos + buflen;
3825
3826 for (j = 0; j < wpa_s->hw.num_modes; j++) {
3827 switch (wpa_s->hw.modes[j].mode) {
3828 case HOSTAPD_MODE_IEEE80211B:
3829 hmode = "B";
3830 break;
3831 case HOSTAPD_MODE_IEEE80211G:
3832 hmode = "G";
3833 break;
3834 case HOSTAPD_MODE_IEEE80211A:
3835 hmode = "A";
3836 break;
3837 case HOSTAPD_MODE_IEEE80211AD:
3838 hmode = "AD";
3839 break;
3840 default:
3841 continue;
3842 }
3843 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3844 hmode);
3845 if (os_snprintf_error(end - pos, ret))
3846 return pos - buf;
3847 pos += ret;
3848 chnl = wpa_s->hw.modes[j].channels;
3849 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3850 if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3851 continue;
3852 ret = os_snprintf(pos, end - pos, " %d = %d MHz%s%s\n",
3853 chnl[i].chan, chnl[i].freq,
3854 chnl[i].flag & HOSTAPD_CHAN_NO_IR ?
3855 " (NO_IR)" : "",
3856 chnl[i].flag & HOSTAPD_CHAN_RADAR ?
3857 " (DFS)" : "");
3858
3859 if (os_snprintf_error(end - pos, ret))
3860 return pos - buf;
3861 pos += ret;
3862 }
3863 ret = os_snprintf(pos, end - pos, "\n");
3864 if (os_snprintf_error(end - pos, ret))
3865 return pos - buf;
3866 pos += ret;
3867 }
3868
3869 return pos - buf;
3870 }
3871
3872
wpa_supplicant_ctrl_iface_get_capability(struct wpa_supplicant * wpa_s,const char * _field,char * buf,size_t buflen)3873 static int wpa_supplicant_ctrl_iface_get_capability(
3874 struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3875 size_t buflen)
3876 {
3877 struct wpa_driver_capa capa;
3878 int res;
3879 char *strict;
3880 char field[30];
3881 size_t len;
3882
3883 /* Determine whether or not strict checking was requested */
3884 len = os_strlcpy(field, _field, sizeof(field));
3885 if (len >= sizeof(field))
3886 return -1;
3887 strict = os_strchr(field, ' ');
3888 if (strict != NULL) {
3889 *strict++ = '\0';
3890 if (os_strcmp(strict, "strict") != 0)
3891 return -1;
3892 }
3893
3894 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3895 field, strict ? strict : "");
3896
3897 if (os_strcmp(field, "eap") == 0) {
3898 return eap_get_names(buf, buflen);
3899 }
3900
3901 res = wpa_drv_get_capa(wpa_s, &capa);
3902
3903 if (os_strcmp(field, "pairwise") == 0)
3904 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3905 buf, buflen);
3906
3907 if (os_strcmp(field, "group") == 0)
3908 return ctrl_iface_get_capability_group(res, strict, &capa,
3909 buf, buflen);
3910
3911 if (os_strcmp(field, "group_mgmt") == 0)
3912 return ctrl_iface_get_capability_group_mgmt(res, strict, &capa,
3913 buf, buflen);
3914
3915 if (os_strcmp(field, "key_mgmt") == 0)
3916 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3917 buf, buflen);
3918
3919 if (os_strcmp(field, "proto") == 0)
3920 return ctrl_iface_get_capability_proto(res, strict, &capa,
3921 buf, buflen);
3922
3923 if (os_strcmp(field, "auth_alg") == 0)
3924 return ctrl_iface_get_capability_auth_alg(wpa_s, res, strict,
3925 &capa, buf, buflen);
3926
3927 if (os_strcmp(field, "modes") == 0)
3928 return ctrl_iface_get_capability_modes(res, strict, &capa,
3929 buf, buflen);
3930
3931 if (os_strcmp(field, "channels") == 0)
3932 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3933
3934 if (os_strcmp(field, "freq") == 0)
3935 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3936
3937 #ifdef CONFIG_TDLS
3938 if (os_strcmp(field, "tdls") == 0)
3939 return ctrl_iface_get_capability_tdls(wpa_s, buf, buflen);
3940 #endif /* CONFIG_TDLS */
3941
3942 #ifdef CONFIG_ERP
3943 if (os_strcmp(field, "erp") == 0) {
3944 res = os_snprintf(buf, buflen, "ERP");
3945 if (os_snprintf_error(buflen, res))
3946 return -1;
3947 return res;
3948 }
3949 #endif /* CONFIG_EPR */
3950
3951 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3952 field);
3953
3954 return -1;
3955 }
3956
3957
3958 #ifdef CONFIG_INTERWORKING
anqp_add_hex(char * pos,char * end,const char * title,struct wpabuf * data)3959 static char * anqp_add_hex(char *pos, char *end, const char *title,
3960 struct wpabuf *data)
3961 {
3962 char *start = pos;
3963 size_t i;
3964 int ret;
3965 const u8 *d;
3966
3967 if (data == NULL)
3968 return start;
3969
3970 ret = os_snprintf(pos, end - pos, "%s=", title);
3971 if (os_snprintf_error(end - pos, ret))
3972 return start;
3973 pos += ret;
3974
3975 d = wpabuf_head_u8(data);
3976 for (i = 0; i < wpabuf_len(data); i++) {
3977 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3978 if (os_snprintf_error(end - pos, ret))
3979 return start;
3980 pos += ret;
3981 }
3982
3983 ret = os_snprintf(pos, end - pos, "\n");
3984 if (os_snprintf_error(end - pos, ret))
3985 return start;
3986 pos += ret;
3987
3988 return pos;
3989 }
3990 #endif /* CONFIG_INTERWORKING */
3991
3992
print_bss_info(struct wpa_supplicant * wpa_s,struct wpa_bss * bss,unsigned long mask,char * buf,size_t buflen)3993 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3994 unsigned long mask, char *buf, size_t buflen)
3995 {
3996 size_t i;
3997 int ret;
3998 char *pos, *end;
3999 const u8 *ie, *ie2, *osen_ie;
4000
4001 pos = buf;
4002 end = buf + buflen;
4003
4004 if (mask & WPA_BSS_MASK_ID) {
4005 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
4006 if (os_snprintf_error(end - pos, ret))
4007 return 0;
4008 pos += ret;
4009 }
4010
4011 if (mask & WPA_BSS_MASK_BSSID) {
4012 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
4013 MAC2STR(bss->bssid));
4014 if (os_snprintf_error(end - pos, ret))
4015 return 0;
4016 pos += ret;
4017 }
4018
4019 if (mask & WPA_BSS_MASK_FREQ) {
4020 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
4021 if (os_snprintf_error(end - pos, ret))
4022 return 0;
4023 pos += ret;
4024 }
4025
4026 if (mask & WPA_BSS_MASK_BEACON_INT) {
4027 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
4028 bss->beacon_int);
4029 if (os_snprintf_error(end - pos, ret))
4030 return 0;
4031 pos += ret;
4032 }
4033
4034 if (mask & WPA_BSS_MASK_CAPABILITIES) {
4035 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
4036 bss->caps);
4037 if (os_snprintf_error(end - pos, ret))
4038 return 0;
4039 pos += ret;
4040 }
4041
4042 if (mask & WPA_BSS_MASK_QUAL) {
4043 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
4044 if (os_snprintf_error(end - pos, ret))
4045 return 0;
4046 pos += ret;
4047 }
4048
4049 if (mask & WPA_BSS_MASK_NOISE) {
4050 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
4051 if (os_snprintf_error(end - pos, ret))
4052 return 0;
4053 pos += ret;
4054 }
4055
4056 if (mask & WPA_BSS_MASK_LEVEL) {
4057 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
4058 if (os_snprintf_error(end - pos, ret))
4059 return 0;
4060 pos += ret;
4061 }
4062
4063 if (mask & WPA_BSS_MASK_TSF) {
4064 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
4065 (unsigned long long) bss->tsf);
4066 if (os_snprintf_error(end - pos, ret))
4067 return 0;
4068 pos += ret;
4069 }
4070
4071 if (mask & WPA_BSS_MASK_AGE) {
4072 struct os_reltime now;
4073
4074 os_get_reltime(&now);
4075 ret = os_snprintf(pos, end - pos, "age=%d\n",
4076 (int) (now.sec - bss->last_update.sec));
4077 if (os_snprintf_error(end - pos, ret))
4078 return 0;
4079 pos += ret;
4080 }
4081
4082 if (mask & WPA_BSS_MASK_IE) {
4083 ret = os_snprintf(pos, end - pos, "ie=");
4084 if (os_snprintf_error(end - pos, ret))
4085 return 0;
4086 pos += ret;
4087
4088 ie = (const u8 *) (bss + 1);
4089 for (i = 0; i < bss->ie_len; i++) {
4090 ret = os_snprintf(pos, end - pos, "%02x", *ie++);
4091 if (os_snprintf_error(end - pos, ret))
4092 return 0;
4093 pos += ret;
4094 }
4095
4096 ret = os_snprintf(pos, end - pos, "\n");
4097 if (os_snprintf_error(end - pos, ret))
4098 return 0;
4099 pos += ret;
4100 }
4101
4102 if (mask & WPA_BSS_MASK_FLAGS) {
4103 ret = os_snprintf(pos, end - pos, "flags=");
4104 if (os_snprintf_error(end - pos, ret))
4105 return 0;
4106 pos += ret;
4107
4108 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
4109 if (ie)
4110 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
4111 2 + ie[1]);
4112 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
4113 if (ie2)
4114 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
4115 2 + ie2[1]);
4116 osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
4117 if (osen_ie)
4118 pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
4119 osen_ie, 2 + osen_ie[1]);
4120 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
4121 if (!ie && !ie2 && !osen_ie &&
4122 (bss->caps & IEEE80211_CAP_PRIVACY)) {
4123 ret = os_snprintf(pos, end - pos, "[WEP]");
4124 if (os_snprintf_error(end - pos, ret))
4125 return 0;
4126 pos += ret;
4127 }
4128 if (bss_is_dmg(bss)) {
4129 const char *s;
4130 ret = os_snprintf(pos, end - pos, "[DMG]");
4131 if (os_snprintf_error(end - pos, ret))
4132 return 0;
4133 pos += ret;
4134 switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
4135 case IEEE80211_CAP_DMG_IBSS:
4136 s = "[IBSS]";
4137 break;
4138 case IEEE80211_CAP_DMG_AP:
4139 s = "[ESS]";
4140 break;
4141 case IEEE80211_CAP_DMG_PBSS:
4142 s = "[PBSS]";
4143 break;
4144 default:
4145 s = "";
4146 break;
4147 }
4148 ret = os_snprintf(pos, end - pos, "%s", s);
4149 if (os_snprintf_error(end - pos, ret))
4150 return 0;
4151 pos += ret;
4152 } else {
4153 if (bss->caps & IEEE80211_CAP_IBSS) {
4154 ret = os_snprintf(pos, end - pos, "[IBSS]");
4155 if (os_snprintf_error(end - pos, ret))
4156 return 0;
4157 pos += ret;
4158 }
4159 if (bss->caps & IEEE80211_CAP_ESS) {
4160 ret = os_snprintf(pos, end - pos, "[ESS]");
4161 if (os_snprintf_error(end - pos, ret))
4162 return 0;
4163 pos += ret;
4164 }
4165 }
4166 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
4167 wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
4168 ret = os_snprintf(pos, end - pos, "[P2P]");
4169 if (os_snprintf_error(end - pos, ret))
4170 return 0;
4171 pos += ret;
4172 }
4173 #ifdef CONFIG_HS20
4174 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
4175 ret = os_snprintf(pos, end - pos, "[HS20]");
4176 if (os_snprintf_error(end - pos, ret))
4177 return 0;
4178 pos += ret;
4179 }
4180 #endif /* CONFIG_HS20 */
4181
4182 ret = os_snprintf(pos, end - pos, "\n");
4183 if (os_snprintf_error(end - pos, ret))
4184 return 0;
4185 pos += ret;
4186 }
4187
4188 if (mask & WPA_BSS_MASK_SSID) {
4189 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
4190 wpa_ssid_txt(bss->ssid, bss->ssid_len));
4191 if (os_snprintf_error(end - pos, ret))
4192 return 0;
4193 pos += ret;
4194 }
4195
4196 #ifdef CONFIG_WPS
4197 if (mask & WPA_BSS_MASK_WPS_SCAN) {
4198 ie = (const u8 *) (bss + 1);
4199 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
4200 if (ret < 0 || ret >= end - pos)
4201 return 0;
4202 pos += ret;
4203 }
4204 #endif /* CONFIG_WPS */
4205
4206 #ifdef CONFIG_P2P
4207 if (mask & WPA_BSS_MASK_P2P_SCAN) {
4208 ie = (const u8 *) (bss + 1);
4209 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
4210 if (ret < 0 || ret >= end - pos)
4211 return 0;
4212 pos += ret;
4213 }
4214 #endif /* CONFIG_P2P */
4215
4216 #ifdef CONFIG_WIFI_DISPLAY
4217 if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
4218 struct wpabuf *wfd;
4219 ie = (const u8 *) (bss + 1);
4220 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
4221 WFD_IE_VENDOR_TYPE);
4222 if (wfd) {
4223 ret = os_snprintf(pos, end - pos, "wfd_subelems=");
4224 if (os_snprintf_error(end - pos, ret)) {
4225 wpabuf_free(wfd);
4226 return 0;
4227 }
4228 pos += ret;
4229
4230 pos += wpa_snprintf_hex(pos, end - pos,
4231 wpabuf_head(wfd),
4232 wpabuf_len(wfd));
4233 wpabuf_free(wfd);
4234
4235 ret = os_snprintf(pos, end - pos, "\n");
4236 if (os_snprintf_error(end - pos, ret))
4237 return 0;
4238 pos += ret;
4239 }
4240 }
4241 #endif /* CONFIG_WIFI_DISPLAY */
4242
4243 #ifdef CONFIG_INTERWORKING
4244 if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
4245 struct wpa_bss_anqp *anqp = bss->anqp;
4246 pos = anqp_add_hex(pos, end, "anqp_capability_list",
4247 anqp->capability_list);
4248 pos = anqp_add_hex(pos, end, "anqp_venue_name",
4249 anqp->venue_name);
4250 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
4251 anqp->network_auth_type);
4252 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
4253 anqp->roaming_consortium);
4254 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
4255 anqp->ip_addr_type_availability);
4256 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
4257 anqp->nai_realm);
4258 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
4259 pos = anqp_add_hex(pos, end, "anqp_domain_name",
4260 anqp->domain_name);
4261 #ifdef CONFIG_HS20
4262 pos = anqp_add_hex(pos, end, "hs20_capability_list",
4263 anqp->hs20_capability_list);
4264 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
4265 anqp->hs20_operator_friendly_name);
4266 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
4267 anqp->hs20_wan_metrics);
4268 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
4269 anqp->hs20_connection_capability);
4270 pos = anqp_add_hex(pos, end, "hs20_operating_class",
4271 anqp->hs20_operating_class);
4272 pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
4273 anqp->hs20_osu_providers_list);
4274 #endif /* CONFIG_HS20 */
4275 }
4276 #endif /* CONFIG_INTERWORKING */
4277
4278 #ifdef CONFIG_MESH
4279 if (mask & WPA_BSS_MASK_MESH_SCAN) {
4280 ie = (const u8 *) (bss + 1);
4281 ret = wpas_mesh_scan_result_text(ie, bss->ie_len, pos, end);
4282 if (ret < 0 || ret >= end - pos)
4283 return 0;
4284 pos += ret;
4285 }
4286 #endif /* CONFIG_MESH */
4287
4288 if (mask & WPA_BSS_MASK_SNR) {
4289 ret = os_snprintf(pos, end - pos, "snr=%d\n", bss->snr);
4290 if (os_snprintf_error(end - pos, ret))
4291 return 0;
4292 pos += ret;
4293 }
4294
4295 if (mask & WPA_BSS_MASK_EST_THROUGHPUT) {
4296 ret = os_snprintf(pos, end - pos, "est_throughput=%d\n",
4297 bss->est_throughput);
4298 if (os_snprintf_error(end - pos, ret))
4299 return 0;
4300 pos += ret;
4301 }
4302
4303 if (mask & WPA_BSS_MASK_DELIM) {
4304 ret = os_snprintf(pos, end - pos, "====\n");
4305 if (os_snprintf_error(end - pos, ret))
4306 return 0;
4307 pos += ret;
4308 }
4309
4310 return pos - buf;
4311 }
4312
4313
wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant * wpa_s,const char * cmd,char * buf,size_t buflen)4314 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
4315 const char *cmd, char *buf,
4316 size_t buflen)
4317 {
4318 u8 bssid[ETH_ALEN];
4319 size_t i;
4320 struct wpa_bss *bss;
4321 struct wpa_bss *bsslast = NULL;
4322 struct dl_list *next;
4323 int ret = 0;
4324 int len;
4325 char *ctmp, *end = buf + buflen;
4326 unsigned long mask = WPA_BSS_MASK_ALL;
4327
4328 if (os_strncmp(cmd, "RANGE=", 6) == 0) {
4329 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
4330 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
4331 list_id);
4332 bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
4333 list_id);
4334 } else { /* N1-N2 */
4335 unsigned int id1, id2;
4336
4337 if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
4338 wpa_printf(MSG_INFO, "Wrong BSS range "
4339 "format");
4340 return 0;
4341 }
4342
4343 if (*(cmd + 6) == '-')
4344 id1 = 0;
4345 else
4346 id1 = atoi(cmd + 6);
4347 ctmp++;
4348 if (*ctmp >= '0' && *ctmp <= '9')
4349 id2 = atoi(ctmp);
4350 else
4351 id2 = (unsigned int) -1;
4352 bss = wpa_bss_get_id_range(wpa_s, id1, id2);
4353 if (id2 == (unsigned int) -1)
4354 bsslast = dl_list_last(&wpa_s->bss_id,
4355 struct wpa_bss,
4356 list_id);
4357 else {
4358 bsslast = wpa_bss_get_id(wpa_s, id2);
4359 if (bsslast == NULL && bss && id2 > id1) {
4360 struct wpa_bss *tmp = bss;
4361 for (;;) {
4362 next = tmp->list_id.next;
4363 if (next == &wpa_s->bss_id)
4364 break;
4365 tmp = dl_list_entry(
4366 next, struct wpa_bss,
4367 list_id);
4368 if (tmp->id > id2)
4369 break;
4370 bsslast = tmp;
4371 }
4372 }
4373 }
4374 }
4375 } else if (os_strncmp(cmd, "FIRST", 5) == 0)
4376 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
4377 else if (os_strncmp(cmd, "LAST", 4) == 0)
4378 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
4379 else if (os_strncmp(cmd, "ID-", 3) == 0) {
4380 i = atoi(cmd + 3);
4381 bss = wpa_bss_get_id(wpa_s, i);
4382 } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4383 i = atoi(cmd + 5);
4384 bss = wpa_bss_get_id(wpa_s, i);
4385 if (bss) {
4386 next = bss->list_id.next;
4387 if (next == &wpa_s->bss_id)
4388 bss = NULL;
4389 else
4390 bss = dl_list_entry(next, struct wpa_bss,
4391 list_id);
4392 }
4393 #ifdef CONFIG_P2P
4394 } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
4395 if (hwaddr_aton(cmd + 13, bssid) == 0)
4396 bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
4397 else
4398 bss = NULL;
4399 #endif /* CONFIG_P2P */
4400 } else if (hwaddr_aton(cmd, bssid) == 0)
4401 bss = wpa_bss_get_bssid(wpa_s, bssid);
4402 else {
4403 struct wpa_bss *tmp;
4404 i = atoi(cmd);
4405 bss = NULL;
4406 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
4407 {
4408 if (i-- == 0) {
4409 bss = tmp;
4410 break;
4411 }
4412 }
4413 }
4414
4415 if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
4416 mask = strtoul(ctmp + 5, NULL, 0x10);
4417 if (mask == 0)
4418 mask = WPA_BSS_MASK_ALL;
4419 }
4420
4421 if (bss == NULL)
4422 return 0;
4423
4424 if (bsslast == NULL)
4425 bsslast = bss;
4426 do {
4427 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
4428 ret += len;
4429 buf += len;
4430 buflen -= len;
4431 if (bss == bsslast) {
4432 if ((mask & WPA_BSS_MASK_DELIM) && len &&
4433 (bss == dl_list_last(&wpa_s->bss_id,
4434 struct wpa_bss, list_id))) {
4435 int res;
4436
4437 res = os_snprintf(buf - 5, end - buf + 5,
4438 "####\n");
4439 if (os_snprintf_error(end - buf + 5, res)) {
4440 wpa_printf(MSG_DEBUG,
4441 "Could not add end delim");
4442 }
4443 }
4444 break;
4445 }
4446 next = bss->list_id.next;
4447 if (next == &wpa_s->bss_id)
4448 break;
4449 bss = dl_list_entry(next, struct wpa_bss, list_id);
4450 } while (bss && len);
4451
4452 return ret;
4453 }
4454
4455
wpa_supplicant_ctrl_iface_ap_scan(struct wpa_supplicant * wpa_s,char * cmd)4456 static int wpa_supplicant_ctrl_iface_ap_scan(
4457 struct wpa_supplicant *wpa_s, char *cmd)
4458 {
4459 int ap_scan = atoi(cmd);
4460 return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
4461 }
4462
4463
wpa_supplicant_ctrl_iface_scan_interval(struct wpa_supplicant * wpa_s,char * cmd)4464 static int wpa_supplicant_ctrl_iface_scan_interval(
4465 struct wpa_supplicant *wpa_s, char *cmd)
4466 {
4467 int scan_int = atoi(cmd);
4468 return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
4469 }
4470
4471
wpa_supplicant_ctrl_iface_bss_expire_age(struct wpa_supplicant * wpa_s,char * cmd)4472 static int wpa_supplicant_ctrl_iface_bss_expire_age(
4473 struct wpa_supplicant *wpa_s, char *cmd)
4474 {
4475 int expire_age = atoi(cmd);
4476 return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
4477 }
4478
4479
wpa_supplicant_ctrl_iface_bss_expire_count(struct wpa_supplicant * wpa_s,char * cmd)4480 static int wpa_supplicant_ctrl_iface_bss_expire_count(
4481 struct wpa_supplicant *wpa_s, char *cmd)
4482 {
4483 int expire_count = atoi(cmd);
4484 return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
4485 }
4486
4487
wpa_supplicant_ctrl_iface_bss_flush(struct wpa_supplicant * wpa_s,char * cmd)4488 static void wpa_supplicant_ctrl_iface_bss_flush(
4489 struct wpa_supplicant *wpa_s, char *cmd)
4490 {
4491 int flush_age = atoi(cmd);
4492
4493 if (flush_age == 0)
4494 wpa_bss_flush(wpa_s);
4495 else
4496 wpa_bss_flush_by_age(wpa_s, flush_age);
4497 }
4498
4499
4500 #ifdef CONFIG_TESTING_OPTIONS
wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant * wpa_s)4501 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
4502 {
4503 wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
4504 /* MLME-DELETEKEYS.request */
4505 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
4506 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
4507 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
4508 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
4509 #ifdef CONFIG_IEEE80211W
4510 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
4511 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
4512 #endif /* CONFIG_IEEE80211W */
4513
4514 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
4515 0);
4516 /* MLME-SETPROTECTION.request(None) */
4517 wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
4518 MLME_SETPROTECTION_PROTECT_TYPE_NONE,
4519 MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
4520 wpa_sm_drop_sa(wpa_s->wpa);
4521 }
4522 #endif /* CONFIG_TESTING_OPTIONS */
4523
4524
wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant * wpa_s,char * addr)4525 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
4526 char *addr)
4527 {
4528 #ifdef CONFIG_NO_SCAN_PROCESSING
4529 return -1;
4530 #else /* CONFIG_NO_SCAN_PROCESSING */
4531 u8 bssid[ETH_ALEN];
4532 struct wpa_bss *bss;
4533 struct wpa_ssid *ssid = wpa_s->current_ssid;
4534
4535 if (hwaddr_aton(addr, bssid)) {
4536 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
4537 "address '%s'", addr);
4538 return -1;
4539 }
4540
4541 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
4542
4543 if (!ssid) {
4544 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
4545 "configuration known for the target AP");
4546 return -1;
4547 }
4548
4549 bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
4550 if (!bss) {
4551 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
4552 "from BSS table");
4553 return -1;
4554 }
4555
4556 /*
4557 * TODO: Find best network configuration block from configuration to
4558 * allow roaming to other networks
4559 */
4560
4561 wpa_s->reassociate = 1;
4562 wpa_supplicant_connect(wpa_s, bss, ssid);
4563
4564 return 0;
4565 #endif /* CONFIG_NO_SCAN_PROCESSING */
4566 }
4567
4568
4569 #ifdef CONFIG_P2P
p2p_ctrl_find(struct wpa_supplicant * wpa_s,char * cmd)4570 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
4571 {
4572 unsigned int timeout = atoi(cmd);
4573 enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
4574 u8 dev_id[ETH_ALEN], *_dev_id = NULL;
4575 u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
4576 char *pos;
4577 unsigned int search_delay;
4578 const char *_seek[P2P_MAX_QUERY_HASH + 1], **seek = NULL;
4579 u8 seek_count = 0;
4580 int freq = 0;
4581
4582 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4583 wpa_dbg(wpa_s, MSG_INFO,
4584 "Reject P2P_FIND since interface is disabled");
4585 return -1;
4586 }
4587 if (os_strstr(cmd, "type=social"))
4588 type = P2P_FIND_ONLY_SOCIAL;
4589 else if (os_strstr(cmd, "type=progressive"))
4590 type = P2P_FIND_PROGRESSIVE;
4591
4592 pos = os_strstr(cmd, "dev_id=");
4593 if (pos) {
4594 pos += 7;
4595 if (hwaddr_aton(pos, dev_id))
4596 return -1;
4597 _dev_id = dev_id;
4598 }
4599
4600 pos = os_strstr(cmd, "dev_type=");
4601 if (pos) {
4602 pos += 9;
4603 if (wps_dev_type_str2bin(pos, dev_type) < 0)
4604 return -1;
4605 _dev_type = dev_type;
4606 }
4607
4608 pos = os_strstr(cmd, "delay=");
4609 if (pos) {
4610 pos += 6;
4611 search_delay = atoi(pos);
4612 } else
4613 search_delay = wpas_p2p_search_delay(wpa_s);
4614
4615 pos = os_strstr(cmd, "freq=");
4616 if (pos) {
4617 pos += 5;
4618 freq = atoi(pos);
4619 if (freq <= 0)
4620 return -1;
4621 }
4622
4623 /* Must be searched for last, because it adds nul termination */
4624 pos = os_strstr(cmd, " seek=");
4625 if (pos)
4626 pos += 6;
4627 while (pos && seek_count < P2P_MAX_QUERY_HASH + 1) {
4628 char *term;
4629
4630 _seek[seek_count++] = pos;
4631 seek = _seek;
4632 term = os_strchr(pos, ' ');
4633 if (!term)
4634 break;
4635 *term = '\0';
4636 pos = os_strstr(term + 1, "seek=");
4637 if (pos)
4638 pos += 5;
4639 }
4640 if (seek_count > P2P_MAX_QUERY_HASH) {
4641 seek[0] = NULL;
4642 seek_count = 1;
4643 }
4644
4645 return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
4646 _dev_id, search_delay, seek_count, seek, freq);
4647 }
4648
4649
p2p_parse_asp_provision_cmd(const char * cmd)4650 static struct p2ps_provision * p2p_parse_asp_provision_cmd(const char *cmd)
4651 {
4652 struct p2ps_provision *p2ps_prov;
4653 char *pos;
4654 size_t info_len = 0;
4655 char *info = NULL;
4656 u8 role = P2PS_SETUP_NONE;
4657 long long unsigned val;
4658
4659 pos = os_strstr(cmd, "info=");
4660 if (pos) {
4661 pos += 5;
4662 info_len = os_strlen(pos);
4663
4664 if (info_len) {
4665 info = os_malloc(info_len + 1);
4666 if (info) {
4667 info_len = utf8_unescape(pos, info_len,
4668 info, info_len + 1);
4669 } else
4670 info_len = 0;
4671 }
4672 }
4673
4674 p2ps_prov = os_zalloc(sizeof(struct p2ps_provision) + info_len + 1);
4675 if (p2ps_prov == NULL) {
4676 os_free(info);
4677 return NULL;
4678 }
4679
4680 if (info) {
4681 os_memcpy(p2ps_prov->info, info, info_len);
4682 p2ps_prov->info[info_len] = '\0';
4683 os_free(info);
4684 }
4685
4686 pos = os_strstr(cmd, "status=");
4687 if (pos)
4688 p2ps_prov->status = atoi(pos + 7);
4689 else
4690 p2ps_prov->status = -1;
4691
4692 pos = os_strstr(cmd, "adv_id=");
4693 if (!pos || sscanf(pos + 7, "%llx", &val) != 1 || val > 0xffffffffULL)
4694 goto invalid_args;
4695 p2ps_prov->adv_id = val;
4696
4697 pos = os_strstr(cmd, "method=");
4698 if (pos)
4699 p2ps_prov->method = strtol(pos + 7, NULL, 16);
4700 else
4701 p2ps_prov->method = 0;
4702
4703 pos = os_strstr(cmd, "session=");
4704 if (!pos || sscanf(pos + 8, "%llx", &val) != 1 || val > 0xffffffffULL)
4705 goto invalid_args;
4706 p2ps_prov->session_id = val;
4707
4708 pos = os_strstr(cmd, "adv_mac=");
4709 if (!pos || hwaddr_aton(pos + 8, p2ps_prov->adv_mac))
4710 goto invalid_args;
4711
4712 pos = os_strstr(cmd, "session_mac=");
4713 if (!pos || hwaddr_aton(pos + 12, p2ps_prov->session_mac))
4714 goto invalid_args;
4715
4716 /* force conncap with tstCap (no sanity checks) */
4717 pos = os_strstr(cmd, "tstCap=");
4718 if (pos) {
4719 role = strtol(pos + 7, NULL, 16);
4720 } else {
4721 pos = os_strstr(cmd, "role=");
4722 if (pos) {
4723 role = strtol(pos + 5, NULL, 16);
4724 if (role != P2PS_SETUP_CLIENT &&
4725 role != P2PS_SETUP_GROUP_OWNER)
4726 role = P2PS_SETUP_NONE;
4727 }
4728 }
4729 p2ps_prov->role = role;
4730
4731 return p2ps_prov;
4732
4733 invalid_args:
4734 os_free(p2ps_prov);
4735 return NULL;
4736 }
4737
4738
p2p_ctrl_asp_provision_resp(struct wpa_supplicant * wpa_s,char * cmd)4739 static int p2p_ctrl_asp_provision_resp(struct wpa_supplicant *wpa_s, char *cmd)
4740 {
4741 u8 addr[ETH_ALEN];
4742 struct p2ps_provision *p2ps_prov;
4743 char *pos;
4744
4745 /* <addr> id=<adv_id> [role=<conncap>] [info=<infodata>] */
4746
4747 wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4748
4749 if (hwaddr_aton(cmd, addr))
4750 return -1;
4751
4752 pos = cmd + 17;
4753 if (*pos != ' ')
4754 return -1;
4755
4756 p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4757 if (!p2ps_prov)
4758 return -1;
4759
4760 if (p2ps_prov->status < 0) {
4761 os_free(p2ps_prov);
4762 return -1;
4763 }
4764
4765 return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4766 p2ps_prov);
4767 }
4768
4769
p2p_ctrl_asp_provision(struct wpa_supplicant * wpa_s,char * cmd)4770 static int p2p_ctrl_asp_provision(struct wpa_supplicant *wpa_s, char *cmd)
4771 {
4772 u8 addr[ETH_ALEN];
4773 struct p2ps_provision *p2ps_prov;
4774 char *pos;
4775
4776 /* <addr> id=<adv_id> adv_mac=<adv_mac> conncap=<conncap>
4777 * session=<ses_id> mac=<ses_mac> [info=<infodata>]
4778 */
4779
4780 wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4781 if (hwaddr_aton(cmd, addr))
4782 return -1;
4783
4784 pos = cmd + 17;
4785 if (*pos != ' ')
4786 return -1;
4787
4788 p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4789 if (!p2ps_prov)
4790 return -1;
4791
4792 return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4793 p2ps_prov);
4794 }
4795
4796
p2p_ctrl_connect(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)4797 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
4798 char *buf, size_t buflen)
4799 {
4800 u8 addr[ETH_ALEN];
4801 char *pos, *pos2;
4802 char *pin = NULL;
4803 enum p2p_wps_method wps_method;
4804 int new_pin;
4805 int ret;
4806 int persistent_group, persistent_id = -1;
4807 int join;
4808 int auth;
4809 int automatic;
4810 int go_intent = -1;
4811 int freq = 0;
4812 int pd;
4813 int ht40, vht;
4814
4815 if (!wpa_s->global->p2p_init_wpa_s)
4816 return -1;
4817 if (wpa_s->global->p2p_init_wpa_s != wpa_s) {
4818 wpa_dbg(wpa_s, MSG_DEBUG, "Direct P2P_CONNECT command to %s",
4819 wpa_s->global->p2p_init_wpa_s->ifname);
4820 wpa_s = wpa_s->global->p2p_init_wpa_s;
4821 }
4822
4823 /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad|p2ps]
4824 * [persistent|persistent=<network id>]
4825 * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
4826 * [ht40] [vht] [auto] */
4827
4828 if (hwaddr_aton(cmd, addr))
4829 return -1;
4830
4831 pos = cmd + 17;
4832 if (*pos != ' ')
4833 return -1;
4834 pos++;
4835
4836 persistent_group = os_strstr(pos, " persistent") != NULL;
4837 pos2 = os_strstr(pos, " persistent=");
4838 if (pos2) {
4839 struct wpa_ssid *ssid;
4840 persistent_id = atoi(pos2 + 12);
4841 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
4842 if (ssid == NULL || ssid->disabled != 2 ||
4843 ssid->mode != WPAS_MODE_P2P_GO) {
4844 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
4845 "SSID id=%d for persistent P2P group (GO)",
4846 persistent_id);
4847 return -1;
4848 }
4849 }
4850 join = os_strstr(pos, " join") != NULL;
4851 auth = os_strstr(pos, " auth") != NULL;
4852 automatic = os_strstr(pos, " auto") != NULL;
4853 pd = os_strstr(pos, " provdisc") != NULL;
4854 vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4855 ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4856 vht;
4857
4858 pos2 = os_strstr(pos, " go_intent=");
4859 if (pos2) {
4860 pos2 += 11;
4861 go_intent = atoi(pos2);
4862 if (go_intent < 0 || go_intent > 15)
4863 return -1;
4864 }
4865
4866 pos2 = os_strstr(pos, " freq=");
4867 if (pos2) {
4868 pos2 += 6;
4869 freq = atoi(pos2);
4870 if (freq <= 0)
4871 return -1;
4872 }
4873
4874 if (os_strncmp(pos, "pin", 3) == 0) {
4875 /* Request random PIN (to be displayed) and enable the PIN */
4876 wps_method = WPS_PIN_DISPLAY;
4877 } else if (os_strncmp(pos, "pbc", 3) == 0) {
4878 wps_method = WPS_PBC;
4879 } else {
4880 pin = pos;
4881 pos = os_strchr(pin, ' ');
4882 wps_method = WPS_PIN_KEYPAD;
4883 if (pos) {
4884 *pos++ = '\0';
4885 if (os_strncmp(pos, "display", 7) == 0)
4886 wps_method = WPS_PIN_DISPLAY;
4887 else if (os_strncmp(pos, "p2ps", 4) == 0)
4888 wps_method = WPS_P2PS;
4889 }
4890 if (!wps_pin_str_valid(pin)) {
4891 os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
4892 return 17;
4893 }
4894 }
4895
4896 new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
4897 persistent_group, automatic, join,
4898 auth, go_intent, freq, persistent_id, pd,
4899 ht40, vht);
4900 if (new_pin == -2) {
4901 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
4902 return 25;
4903 }
4904 if (new_pin == -3) {
4905 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
4906 return 25;
4907 }
4908 if (new_pin < 0)
4909 return -1;
4910 if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
4911 ret = os_snprintf(buf, buflen, "%08d", new_pin);
4912 if (os_snprintf_error(buflen, ret))
4913 return -1;
4914 return ret;
4915 }
4916
4917 os_memcpy(buf, "OK\n", 3);
4918 return 3;
4919 }
4920
4921
p2p_ctrl_listen(struct wpa_supplicant * wpa_s,char * cmd)4922 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
4923 {
4924 unsigned int timeout = atoi(cmd);
4925 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4926 wpa_dbg(wpa_s, MSG_INFO,
4927 "Reject P2P_LISTEN since interface is disabled");
4928 return -1;
4929 }
4930 return wpas_p2p_listen(wpa_s, timeout);
4931 }
4932
4933
p2p_ctrl_prov_disc(struct wpa_supplicant * wpa_s,char * cmd)4934 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
4935 {
4936 u8 addr[ETH_ALEN];
4937 char *pos;
4938 enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
4939
4940 /* <addr> <config method> [join|auto] */
4941
4942 if (hwaddr_aton(cmd, addr))
4943 return -1;
4944
4945 pos = cmd + 17;
4946 if (*pos != ' ')
4947 return -1;
4948 pos++;
4949
4950 if (os_strstr(pos, " join") != NULL)
4951 use = WPAS_P2P_PD_FOR_JOIN;
4952 else if (os_strstr(pos, " auto") != NULL)
4953 use = WPAS_P2P_PD_AUTO;
4954
4955 return wpas_p2p_prov_disc(wpa_s, addr, pos, use, NULL);
4956 }
4957
4958
p2p_get_passphrase(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)4959 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
4960 size_t buflen)
4961 {
4962 struct wpa_ssid *ssid = wpa_s->current_ssid;
4963
4964 if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
4965 ssid->passphrase == NULL)
4966 return -1;
4967
4968 os_strlcpy(buf, ssid->passphrase, buflen);
4969 return os_strlen(buf);
4970 }
4971
4972
p2p_ctrl_serv_disc_req(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)4973 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
4974 char *buf, size_t buflen)
4975 {
4976 u64 ref;
4977 int res;
4978 u8 dst_buf[ETH_ALEN], *dst;
4979 struct wpabuf *tlvs;
4980 char *pos;
4981 size_t len;
4982
4983 if (hwaddr_aton(cmd, dst_buf))
4984 return -1;
4985 dst = dst_buf;
4986 if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
4987 dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
4988 dst = NULL;
4989 pos = cmd + 17;
4990 if (*pos != ' ')
4991 return -1;
4992 pos++;
4993
4994 if (os_strncmp(pos, "upnp ", 5) == 0) {
4995 u8 version;
4996 pos += 5;
4997 if (hexstr2bin(pos, &version, 1) < 0)
4998 return -1;
4999 pos += 2;
5000 if (*pos != ' ')
5001 return -1;
5002 pos++;
5003 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
5004 #ifdef CONFIG_WIFI_DISPLAY
5005 } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
5006 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
5007 #endif /* CONFIG_WIFI_DISPLAY */
5008 } else if (os_strncmp(pos, "asp ", 4) == 0) {
5009 char *svc_str;
5010 char *svc_info = NULL;
5011 u32 id;
5012
5013 pos += 4;
5014 if (sscanf(pos, "%x", &id) != 1 || id > 0xff)
5015 return -1;
5016
5017 pos = os_strchr(pos, ' ');
5018 if (pos == NULL || pos[1] == '\0' || pos[1] == ' ')
5019 return -1;
5020
5021 svc_str = pos + 1;
5022
5023 pos = os_strchr(svc_str, ' ');
5024
5025 if (pos)
5026 *pos++ = '\0';
5027
5028 /* All remaining data is the svc_info string */
5029 if (pos && pos[0] && pos[0] != ' ') {
5030 len = os_strlen(pos);
5031
5032 /* Unescape in place */
5033 len = utf8_unescape(pos, len, pos, len);
5034 if (len > 0xff)
5035 return -1;
5036
5037 svc_info = pos;
5038 }
5039
5040 ref = wpas_p2p_sd_request_asp(wpa_s, dst, (u8) id,
5041 svc_str, svc_info);
5042 } else {
5043 len = os_strlen(pos);
5044 if (len & 1)
5045 return -1;
5046 len /= 2;
5047 tlvs = wpabuf_alloc(len);
5048 if (tlvs == NULL)
5049 return -1;
5050 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
5051 wpabuf_free(tlvs);
5052 return -1;
5053 }
5054
5055 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
5056 wpabuf_free(tlvs);
5057 }
5058 if (ref == 0)
5059 return -1;
5060 res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
5061 if (os_snprintf_error(buflen, res))
5062 return -1;
5063 return res;
5064 }
5065
5066
p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant * wpa_s,char * cmd)5067 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
5068 char *cmd)
5069 {
5070 long long unsigned val;
5071 u64 req;
5072 if (sscanf(cmd, "%llx", &val) != 1)
5073 return -1;
5074 req = val;
5075 return wpas_p2p_sd_cancel_request(wpa_s, req);
5076 }
5077
5078
p2p_ctrl_serv_disc_resp(struct wpa_supplicant * wpa_s,char * cmd)5079 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
5080 {
5081 int freq;
5082 u8 dst[ETH_ALEN];
5083 u8 dialog_token;
5084 struct wpabuf *resp_tlvs;
5085 char *pos, *pos2;
5086 size_t len;
5087
5088 pos = os_strchr(cmd, ' ');
5089 if (pos == NULL)
5090 return -1;
5091 *pos++ = '\0';
5092 freq = atoi(cmd);
5093 if (freq == 0)
5094 return -1;
5095
5096 if (hwaddr_aton(pos, dst))
5097 return -1;
5098 pos += 17;
5099 if (*pos != ' ')
5100 return -1;
5101 pos++;
5102
5103 pos2 = os_strchr(pos, ' ');
5104 if (pos2 == NULL)
5105 return -1;
5106 *pos2++ = '\0';
5107 dialog_token = atoi(pos);
5108
5109 len = os_strlen(pos2);
5110 if (len & 1)
5111 return -1;
5112 len /= 2;
5113 resp_tlvs = wpabuf_alloc(len);
5114 if (resp_tlvs == NULL)
5115 return -1;
5116 if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
5117 wpabuf_free(resp_tlvs);
5118 return -1;
5119 }
5120
5121 wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
5122 wpabuf_free(resp_tlvs);
5123 return 0;
5124 }
5125
5126
p2p_ctrl_serv_disc_external(struct wpa_supplicant * wpa_s,char * cmd)5127 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
5128 char *cmd)
5129 {
5130 if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
5131 return -1;
5132 wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
5133 return 0;
5134 }
5135
5136
p2p_ctrl_service_add_bonjour(struct wpa_supplicant * wpa_s,char * cmd)5137 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
5138 char *cmd)
5139 {
5140 char *pos;
5141 size_t len;
5142 struct wpabuf *query, *resp;
5143
5144 pos = os_strchr(cmd, ' ');
5145 if (pos == NULL)
5146 return -1;
5147 *pos++ = '\0';
5148
5149 len = os_strlen(cmd);
5150 if (len & 1)
5151 return -1;
5152 len /= 2;
5153 query = wpabuf_alloc(len);
5154 if (query == NULL)
5155 return -1;
5156 if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5157 wpabuf_free(query);
5158 return -1;
5159 }
5160
5161 len = os_strlen(pos);
5162 if (len & 1) {
5163 wpabuf_free(query);
5164 return -1;
5165 }
5166 len /= 2;
5167 resp = wpabuf_alloc(len);
5168 if (resp == NULL) {
5169 wpabuf_free(query);
5170 return -1;
5171 }
5172 if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
5173 wpabuf_free(query);
5174 wpabuf_free(resp);
5175 return -1;
5176 }
5177
5178 if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
5179 wpabuf_free(query);
5180 wpabuf_free(resp);
5181 return -1;
5182 }
5183 return 0;
5184 }
5185
5186
p2p_ctrl_service_add_upnp(struct wpa_supplicant * wpa_s,char * cmd)5187 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5188 {
5189 char *pos;
5190 u8 version;
5191
5192 pos = os_strchr(cmd, ' ');
5193 if (pos == NULL)
5194 return -1;
5195 *pos++ = '\0';
5196
5197 if (hexstr2bin(cmd, &version, 1) < 0)
5198 return -1;
5199
5200 return wpas_p2p_service_add_upnp(wpa_s, version, pos);
5201 }
5202
5203
p2p_ctrl_service_add_asp(struct wpa_supplicant * wpa_s,u8 replace,char * cmd)5204 static int p2p_ctrl_service_add_asp(struct wpa_supplicant *wpa_s,
5205 u8 replace, char *cmd)
5206 {
5207 char *pos;
5208 char *adv_str;
5209 u32 auto_accept, adv_id, svc_state, config_methods;
5210 char *svc_info = NULL;
5211
5212 pos = os_strchr(cmd, ' ');
5213 if (pos == NULL)
5214 return -1;
5215 *pos++ = '\0';
5216
5217 /* Auto-Accept value is mandatory, and must be one of the
5218 * single values (0, 1, 2, 4) */
5219 auto_accept = atoi(cmd);
5220 switch (auto_accept) {
5221 case P2PS_SETUP_NONE: /* No auto-accept */
5222 case P2PS_SETUP_NEW:
5223 case P2PS_SETUP_CLIENT:
5224 case P2PS_SETUP_GROUP_OWNER:
5225 break;
5226 default:
5227 return -1;
5228 }
5229
5230 /* Advertisement ID is mandatory */
5231 cmd = pos;
5232 pos = os_strchr(cmd, ' ');
5233 if (pos == NULL)
5234 return -1;
5235 *pos++ = '\0';
5236
5237 /* Handle Adv_ID == 0 (wildcard "org.wi-fi.wfds") internally. */
5238 if (sscanf(cmd, "%x", &adv_id) != 1 || adv_id == 0)
5239 return -1;
5240
5241 /* Only allow replacements if exist, and adds if not */
5242 if (wpas_p2p_service_p2ps_id_exists(wpa_s, adv_id)) {
5243 if (!replace)
5244 return -1;
5245 } else {
5246 if (replace)
5247 return -1;
5248 }
5249
5250 /* svc_state between 0 - 0xff is mandatory */
5251 if (sscanf(pos, "%x", &svc_state) != 1 || svc_state > 0xff)
5252 return -1;
5253
5254 pos = os_strchr(pos, ' ');
5255 if (pos == NULL)
5256 return -1;
5257
5258 /* config_methods is mandatory */
5259 pos++;
5260 if (sscanf(pos, "%x", &config_methods) != 1)
5261 return -1;
5262
5263 if (!(config_methods &
5264 (WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD | WPS_CONFIG_P2PS)))
5265 return -1;
5266
5267 pos = os_strchr(pos, ' ');
5268 if (pos == NULL)
5269 return -1;
5270
5271 pos++;
5272 adv_str = pos;
5273
5274 /* Advertisement string is mandatory */
5275 if (!pos[0] || pos[0] == ' ')
5276 return -1;
5277
5278 /* Terminate svc string */
5279 pos = os_strchr(pos, ' ');
5280 if (pos != NULL)
5281 *pos++ = '\0';
5282
5283 /* Service and Response Information are optional */
5284 if (pos && pos[0]) {
5285 size_t len;
5286
5287 /* Note the bare ' included, which cannot exist legally
5288 * in unescaped string. */
5289 svc_info = os_strstr(pos, "svc_info='");
5290
5291 if (svc_info) {
5292 svc_info += 9;
5293 len = os_strlen(svc_info);
5294 utf8_unescape(svc_info, len, svc_info, len);
5295 }
5296 }
5297
5298 return wpas_p2p_service_add_asp(wpa_s, auto_accept, adv_id, adv_str,
5299 (u8) svc_state, (u16) config_methods,
5300 svc_info);
5301 }
5302
5303
p2p_ctrl_service_add(struct wpa_supplicant * wpa_s,char * cmd)5304 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
5305 {
5306 char *pos;
5307
5308 pos = os_strchr(cmd, ' ');
5309 if (pos == NULL)
5310 return -1;
5311 *pos++ = '\0';
5312
5313 if (os_strcmp(cmd, "bonjour") == 0)
5314 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
5315 if (os_strcmp(cmd, "upnp") == 0)
5316 return p2p_ctrl_service_add_upnp(wpa_s, pos);
5317 if (os_strcmp(cmd, "asp") == 0)
5318 return p2p_ctrl_service_add_asp(wpa_s, 0, pos);
5319 wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5320 return -1;
5321 }
5322
5323
p2p_ctrl_service_del_bonjour(struct wpa_supplicant * wpa_s,char * cmd)5324 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
5325 char *cmd)
5326 {
5327 size_t len;
5328 struct wpabuf *query;
5329 int ret;
5330
5331 len = os_strlen(cmd);
5332 if (len & 1)
5333 return -1;
5334 len /= 2;
5335 query = wpabuf_alloc(len);
5336 if (query == NULL)
5337 return -1;
5338 if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5339 wpabuf_free(query);
5340 return -1;
5341 }
5342
5343 ret = wpas_p2p_service_del_bonjour(wpa_s, query);
5344 wpabuf_free(query);
5345 return ret;
5346 }
5347
5348
p2p_ctrl_service_del_upnp(struct wpa_supplicant * wpa_s,char * cmd)5349 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5350 {
5351 char *pos;
5352 u8 version;
5353
5354 pos = os_strchr(cmd, ' ');
5355 if (pos == NULL)
5356 return -1;
5357 *pos++ = '\0';
5358
5359 if (hexstr2bin(cmd, &version, 1) < 0)
5360 return -1;
5361
5362 return wpas_p2p_service_del_upnp(wpa_s, version, pos);
5363 }
5364
5365
p2p_ctrl_service_del_asp(struct wpa_supplicant * wpa_s,char * cmd)5366 static int p2p_ctrl_service_del_asp(struct wpa_supplicant *wpa_s, char *cmd)
5367 {
5368 u32 adv_id;
5369
5370 if (os_strcmp(cmd, "all") == 0) {
5371 wpas_p2p_service_flush_asp(wpa_s);
5372 return 0;
5373 }
5374
5375 if (sscanf(cmd, "%x", &adv_id) != 1)
5376 return -1;
5377
5378 return wpas_p2p_service_del_asp(wpa_s, adv_id);
5379 }
5380
5381
p2p_ctrl_service_del(struct wpa_supplicant * wpa_s,char * cmd)5382 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
5383 {
5384 char *pos;
5385
5386 pos = os_strchr(cmd, ' ');
5387 if (pos == NULL)
5388 return -1;
5389 *pos++ = '\0';
5390
5391 if (os_strcmp(cmd, "bonjour") == 0)
5392 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
5393 if (os_strcmp(cmd, "upnp") == 0)
5394 return p2p_ctrl_service_del_upnp(wpa_s, pos);
5395 if (os_strcmp(cmd, "asp") == 0)
5396 return p2p_ctrl_service_del_asp(wpa_s, pos);
5397 wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5398 return -1;
5399 }
5400
5401
p2p_ctrl_service_replace(struct wpa_supplicant * wpa_s,char * cmd)5402 static int p2p_ctrl_service_replace(struct wpa_supplicant *wpa_s, char *cmd)
5403 {
5404 char *pos;
5405
5406 pos = os_strchr(cmd, ' ');
5407 if (pos == NULL)
5408 return -1;
5409 *pos++ = '\0';
5410
5411 if (os_strcmp(cmd, "asp") == 0)
5412 return p2p_ctrl_service_add_asp(wpa_s, 1, pos);
5413
5414 wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5415 return -1;
5416 }
5417
5418
p2p_ctrl_reject(struct wpa_supplicant * wpa_s,char * cmd)5419 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
5420 {
5421 u8 addr[ETH_ALEN];
5422
5423 /* <addr> */
5424
5425 if (hwaddr_aton(cmd, addr))
5426 return -1;
5427
5428 return wpas_p2p_reject(wpa_s, addr);
5429 }
5430
5431
p2p_ctrl_invite_persistent(struct wpa_supplicant * wpa_s,char * cmd)5432 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
5433 {
5434 char *pos;
5435 int id;
5436 struct wpa_ssid *ssid;
5437 u8 *_peer = NULL, peer[ETH_ALEN];
5438 int freq = 0, pref_freq = 0;
5439 int ht40, vht;
5440
5441 id = atoi(cmd);
5442 pos = os_strstr(cmd, " peer=");
5443 if (pos) {
5444 pos += 6;
5445 if (hwaddr_aton(pos, peer))
5446 return -1;
5447 _peer = peer;
5448 }
5449 ssid = wpa_config_get_network(wpa_s->conf, id);
5450 if (ssid == NULL || ssid->disabled != 2) {
5451 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5452 "for persistent P2P group",
5453 id);
5454 return -1;
5455 }
5456
5457 pos = os_strstr(cmd, " freq=");
5458 if (pos) {
5459 pos += 6;
5460 freq = atoi(pos);
5461 if (freq <= 0)
5462 return -1;
5463 }
5464
5465 pos = os_strstr(cmd, " pref=");
5466 if (pos) {
5467 pos += 6;
5468 pref_freq = atoi(pos);
5469 if (pref_freq <= 0)
5470 return -1;
5471 }
5472
5473 vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
5474 ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5475 vht;
5476
5477 return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
5478 pref_freq);
5479 }
5480
5481
p2p_ctrl_invite_group(struct wpa_supplicant * wpa_s,char * cmd)5482 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
5483 {
5484 char *pos;
5485 u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
5486
5487 pos = os_strstr(cmd, " peer=");
5488 if (!pos)
5489 return -1;
5490
5491 *pos = '\0';
5492 pos += 6;
5493 if (hwaddr_aton(pos, peer)) {
5494 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
5495 return -1;
5496 }
5497
5498 pos = os_strstr(pos, " go_dev_addr=");
5499 if (pos) {
5500 pos += 13;
5501 if (hwaddr_aton(pos, go_dev_addr)) {
5502 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
5503 pos);
5504 return -1;
5505 }
5506 go_dev = go_dev_addr;
5507 }
5508
5509 return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
5510 }
5511
5512
p2p_ctrl_invite(struct wpa_supplicant * wpa_s,char * cmd)5513 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
5514 {
5515 if (os_strncmp(cmd, "persistent=", 11) == 0)
5516 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
5517 if (os_strncmp(cmd, "group=", 6) == 0)
5518 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
5519
5520 return -1;
5521 }
5522
5523
p2p_ctrl_group_add_persistent(struct wpa_supplicant * wpa_s,int id,int freq,int ht40,int vht)5524 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
5525 int id, int freq, int ht40, int vht)
5526 {
5527 struct wpa_ssid *ssid;
5528
5529 ssid = wpa_config_get_network(wpa_s->conf, id);
5530 if (ssid == NULL || ssid->disabled != 2) {
5531 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5532 "for persistent P2P group",
5533 id);
5534 return -1;
5535 }
5536
5537 return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, 0, ht40, vht,
5538 NULL, 0);
5539 }
5540
5541
p2p_ctrl_group_add(struct wpa_supplicant * wpa_s,char * cmd)5542 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
5543 {
5544 int freq = 0, persistent = 0, group_id = -1;
5545 int vht = wpa_s->conf->p2p_go_vht;
5546 int ht40 = wpa_s->conf->p2p_go_ht40 || vht;
5547 char *token, *context = NULL;
5548
5549 while ((token = str_token(cmd, " ", &context))) {
5550 if (sscanf(token, "freq=%d", &freq) == 1 ||
5551 sscanf(token, "persistent=%d", &group_id) == 1) {
5552 continue;
5553 } else if (os_strcmp(token, "ht40") == 0) {
5554 ht40 = 1;
5555 } else if (os_strcmp(token, "vht") == 0) {
5556 vht = 1;
5557 ht40 = 1;
5558 } else if (os_strcmp(token, "persistent") == 0) {
5559 persistent = 1;
5560 } else {
5561 wpa_printf(MSG_DEBUG,
5562 "CTRL: Invalid P2P_GROUP_ADD parameter: '%s'",
5563 token);
5564 return -1;
5565 }
5566 }
5567
5568 if (group_id >= 0)
5569 return p2p_ctrl_group_add_persistent(wpa_s, group_id,
5570 freq, ht40, vht);
5571
5572 return wpas_p2p_group_add(wpa_s, persistent, freq, ht40, vht);
5573 }
5574
5575
p2p_ctrl_peer(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)5576 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
5577 char *buf, size_t buflen)
5578 {
5579 u8 addr[ETH_ALEN], *addr_ptr;
5580 int next, res;
5581 const struct p2p_peer_info *info;
5582 char *pos, *end;
5583 char devtype[WPS_DEV_TYPE_BUFSIZE];
5584 struct wpa_ssid *ssid;
5585 size_t i;
5586
5587 if (!wpa_s->global->p2p)
5588 return -1;
5589
5590 if (os_strcmp(cmd, "FIRST") == 0) {
5591 addr_ptr = NULL;
5592 next = 0;
5593 } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
5594 if (hwaddr_aton(cmd + 5, addr) < 0)
5595 return -1;
5596 addr_ptr = addr;
5597 next = 1;
5598 } else {
5599 if (hwaddr_aton(cmd, addr) < 0)
5600 return -1;
5601 addr_ptr = addr;
5602 next = 0;
5603 }
5604
5605 info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
5606 if (info == NULL)
5607 return -1;
5608
5609 pos = buf;
5610 end = buf + buflen;
5611
5612 res = os_snprintf(pos, end - pos, MACSTR "\n"
5613 "pri_dev_type=%s\n"
5614 "device_name=%s\n"
5615 "manufacturer=%s\n"
5616 "model_name=%s\n"
5617 "model_number=%s\n"
5618 "serial_number=%s\n"
5619 "config_methods=0x%x\n"
5620 "dev_capab=0x%x\n"
5621 "group_capab=0x%x\n"
5622 "level=%d\n",
5623 MAC2STR(info->p2p_device_addr),
5624 wps_dev_type_bin2str(info->pri_dev_type,
5625 devtype, sizeof(devtype)),
5626 info->device_name,
5627 info->manufacturer,
5628 info->model_name,
5629 info->model_number,
5630 info->serial_number,
5631 info->config_methods,
5632 info->dev_capab,
5633 info->group_capab,
5634 info->level);
5635 if (os_snprintf_error(end - pos, res))
5636 return pos - buf;
5637 pos += res;
5638
5639 for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
5640 {
5641 const u8 *t;
5642 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
5643 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
5644 wps_dev_type_bin2str(t, devtype,
5645 sizeof(devtype)));
5646 if (os_snprintf_error(end - pos, res))
5647 return pos - buf;
5648 pos += res;
5649 }
5650
5651 ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
5652 if (ssid) {
5653 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
5654 if (os_snprintf_error(end - pos, res))
5655 return pos - buf;
5656 pos += res;
5657 }
5658
5659 res = p2p_get_peer_info_txt(info, pos, end - pos);
5660 if (res < 0)
5661 return pos - buf;
5662 pos += res;
5663
5664 if (info->vendor_elems) {
5665 res = os_snprintf(pos, end - pos, "vendor_elems=");
5666 if (os_snprintf_error(end - pos, res))
5667 return pos - buf;
5668 pos += res;
5669
5670 pos += wpa_snprintf_hex(pos, end - pos,
5671 wpabuf_head(info->vendor_elems),
5672 wpabuf_len(info->vendor_elems));
5673
5674 res = os_snprintf(pos, end - pos, "\n");
5675 if (os_snprintf_error(end - pos, res))
5676 return pos - buf;
5677 pos += res;
5678 }
5679
5680 return pos - buf;
5681 }
5682
5683
p2p_ctrl_disallow_freq(struct wpa_supplicant * wpa_s,const char * param)5684 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
5685 const char *param)
5686 {
5687 unsigned int i;
5688
5689 if (wpa_s->global->p2p == NULL)
5690 return -1;
5691
5692 if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
5693 return -1;
5694
5695 for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
5696 struct wpa_freq_range *freq;
5697 freq = &wpa_s->global->p2p_disallow_freq.range[i];
5698 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
5699 freq->min, freq->max);
5700 }
5701
5702 wpas_p2p_update_channel_list(wpa_s);
5703 return 0;
5704 }
5705
5706
p2p_ctrl_set(struct wpa_supplicant * wpa_s,char * cmd)5707 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
5708 {
5709 char *param;
5710
5711 if (wpa_s->global->p2p == NULL)
5712 return -1;
5713
5714 param = os_strchr(cmd, ' ');
5715 if (param == NULL)
5716 return -1;
5717 *param++ = '\0';
5718
5719 if (os_strcmp(cmd, "discoverability") == 0) {
5720 p2p_set_client_discoverability(wpa_s->global->p2p,
5721 atoi(param));
5722 return 0;
5723 }
5724
5725 if (os_strcmp(cmd, "managed") == 0) {
5726 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
5727 return 0;
5728 }
5729
5730 if (os_strcmp(cmd, "listen_channel") == 0) {
5731 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
5732 atoi(param), 1);
5733 }
5734
5735 if (os_strcmp(cmd, "ssid_postfix") == 0) {
5736 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
5737 os_strlen(param));
5738 }
5739
5740 if (os_strcmp(cmd, "noa") == 0) {
5741 char *pos;
5742 int count, start, duration;
5743 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
5744 count = atoi(param);
5745 pos = os_strchr(param, ',');
5746 if (pos == NULL)
5747 return -1;
5748 pos++;
5749 start = atoi(pos);
5750 pos = os_strchr(pos, ',');
5751 if (pos == NULL)
5752 return -1;
5753 pos++;
5754 duration = atoi(pos);
5755 if (count < 0 || count > 255 || start < 0 || duration < 0)
5756 return -1;
5757 if (count == 0 && duration > 0)
5758 return -1;
5759 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
5760 "start=%d duration=%d", count, start, duration);
5761 return wpas_p2p_set_noa(wpa_s, count, start, duration);
5762 }
5763
5764 if (os_strcmp(cmd, "ps") == 0)
5765 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
5766
5767 if (os_strcmp(cmd, "oppps") == 0)
5768 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
5769
5770 if (os_strcmp(cmd, "ctwindow") == 0)
5771 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
5772
5773 if (os_strcmp(cmd, "disabled") == 0) {
5774 wpa_s->global->p2p_disabled = atoi(param);
5775 wpa_printf(MSG_DEBUG, "P2P functionality %s",
5776 wpa_s->global->p2p_disabled ?
5777 "disabled" : "enabled");
5778 if (wpa_s->global->p2p_disabled) {
5779 wpas_p2p_stop_find(wpa_s);
5780 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5781 p2p_flush(wpa_s->global->p2p);
5782 }
5783 return 0;
5784 }
5785
5786 if (os_strcmp(cmd, "conc_pref") == 0) {
5787 if (os_strcmp(param, "sta") == 0)
5788 wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
5789 else if (os_strcmp(param, "p2p") == 0)
5790 wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
5791 else {
5792 wpa_printf(MSG_INFO, "Invalid conc_pref value");
5793 return -1;
5794 }
5795 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
5796 "%s", param);
5797 return 0;
5798 }
5799
5800 if (os_strcmp(cmd, "force_long_sd") == 0) {
5801 wpa_s->force_long_sd = atoi(param);
5802 return 0;
5803 }
5804
5805 if (os_strcmp(cmd, "peer_filter") == 0) {
5806 u8 addr[ETH_ALEN];
5807 if (hwaddr_aton(param, addr))
5808 return -1;
5809 p2p_set_peer_filter(wpa_s->global->p2p, addr);
5810 return 0;
5811 }
5812
5813 if (os_strcmp(cmd, "cross_connect") == 0)
5814 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
5815
5816 if (os_strcmp(cmd, "go_apsd") == 0) {
5817 if (os_strcmp(param, "disable") == 0)
5818 wpa_s->set_ap_uapsd = 0;
5819 else {
5820 wpa_s->set_ap_uapsd = 1;
5821 wpa_s->ap_uapsd = atoi(param);
5822 }
5823 return 0;
5824 }
5825
5826 if (os_strcmp(cmd, "client_apsd") == 0) {
5827 if (os_strcmp(param, "disable") == 0)
5828 wpa_s->set_sta_uapsd = 0;
5829 else {
5830 int be, bk, vi, vo;
5831 char *pos;
5832 /* format: BE,BK,VI,VO;max SP Length */
5833 be = atoi(param);
5834 pos = os_strchr(param, ',');
5835 if (pos == NULL)
5836 return -1;
5837 pos++;
5838 bk = atoi(pos);
5839 pos = os_strchr(pos, ',');
5840 if (pos == NULL)
5841 return -1;
5842 pos++;
5843 vi = atoi(pos);
5844 pos = os_strchr(pos, ',');
5845 if (pos == NULL)
5846 return -1;
5847 pos++;
5848 vo = atoi(pos);
5849 /* ignore max SP Length for now */
5850
5851 wpa_s->set_sta_uapsd = 1;
5852 wpa_s->sta_uapsd = 0;
5853 if (be)
5854 wpa_s->sta_uapsd |= BIT(0);
5855 if (bk)
5856 wpa_s->sta_uapsd |= BIT(1);
5857 if (vi)
5858 wpa_s->sta_uapsd |= BIT(2);
5859 if (vo)
5860 wpa_s->sta_uapsd |= BIT(3);
5861 }
5862 return 0;
5863 }
5864
5865 if (os_strcmp(cmd, "disallow_freq") == 0)
5866 return p2p_ctrl_disallow_freq(wpa_s, param);
5867
5868 if (os_strcmp(cmd, "disc_int") == 0) {
5869 int min_disc_int, max_disc_int, max_disc_tu;
5870 char *pos;
5871
5872 pos = param;
5873
5874 min_disc_int = atoi(pos);
5875 pos = os_strchr(pos, ' ');
5876 if (pos == NULL)
5877 return -1;
5878 *pos++ = '\0';
5879
5880 max_disc_int = atoi(pos);
5881 pos = os_strchr(pos, ' ');
5882 if (pos == NULL)
5883 return -1;
5884 *pos++ = '\0';
5885
5886 max_disc_tu = atoi(pos);
5887
5888 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
5889 max_disc_int, max_disc_tu);
5890 }
5891
5892 if (os_strcmp(cmd, "per_sta_psk") == 0) {
5893 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
5894 return 0;
5895 }
5896
5897 #ifdef CONFIG_WPS_NFC
5898 if (os_strcmp(cmd, "nfc_tag") == 0)
5899 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
5900 #endif /* CONFIG_WPS_NFC */
5901
5902 if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
5903 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
5904 return 0;
5905 }
5906
5907 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
5908 cmd);
5909
5910 return -1;
5911 }
5912
5913
p2p_ctrl_flush(struct wpa_supplicant * wpa_s)5914 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
5915 {
5916 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5917 wpa_s->force_long_sd = 0;
5918 wpas_p2p_stop_find(wpa_s);
5919 if (wpa_s->global->p2p)
5920 p2p_flush(wpa_s->global->p2p);
5921 }
5922
5923
p2p_ctrl_presence_req(struct wpa_supplicant * wpa_s,char * cmd)5924 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
5925 {
5926 char *pos, *pos2;
5927 unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
5928
5929 if (cmd[0]) {
5930 pos = os_strchr(cmd, ' ');
5931 if (pos == NULL)
5932 return -1;
5933 *pos++ = '\0';
5934 dur1 = atoi(cmd);
5935
5936 pos2 = os_strchr(pos, ' ');
5937 if (pos2)
5938 *pos2++ = '\0';
5939 int1 = atoi(pos);
5940 } else
5941 pos2 = NULL;
5942
5943 if (pos2) {
5944 pos = os_strchr(pos2, ' ');
5945 if (pos == NULL)
5946 return -1;
5947 *pos++ = '\0';
5948 dur2 = atoi(pos2);
5949 int2 = atoi(pos);
5950 }
5951
5952 return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
5953 }
5954
5955
p2p_ctrl_ext_listen(struct wpa_supplicant * wpa_s,char * cmd)5956 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
5957 {
5958 char *pos;
5959 unsigned int period = 0, interval = 0;
5960
5961 if (cmd[0]) {
5962 pos = os_strchr(cmd, ' ');
5963 if (pos == NULL)
5964 return -1;
5965 *pos++ = '\0';
5966 period = atoi(cmd);
5967 interval = atoi(pos);
5968 }
5969
5970 return wpas_p2p_ext_listen(wpa_s, period, interval);
5971 }
5972
5973
p2p_ctrl_remove_client(struct wpa_supplicant * wpa_s,const char * cmd)5974 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
5975 {
5976 const char *pos;
5977 u8 peer[ETH_ALEN];
5978 int iface_addr = 0;
5979
5980 pos = cmd;
5981 if (os_strncmp(pos, "iface=", 6) == 0) {
5982 iface_addr = 1;
5983 pos += 6;
5984 }
5985 if (hwaddr_aton(pos, peer))
5986 return -1;
5987
5988 wpas_p2p_remove_client(wpa_s, peer, iface_addr);
5989 return 0;
5990 }
5991
5992 #endif /* CONFIG_P2P */
5993
5994
freq_range_to_channel_list(struct wpa_supplicant * wpa_s,char * val)5995 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
5996 {
5997 struct wpa_freq_range_list ranges;
5998 int *freqs = NULL;
5999 struct hostapd_hw_modes *mode;
6000 u16 i;
6001
6002 if (wpa_s->hw.modes == NULL)
6003 return NULL;
6004
6005 os_memset(&ranges, 0, sizeof(ranges));
6006 if (freq_range_list_parse(&ranges, val) < 0)
6007 return NULL;
6008
6009 for (i = 0; i < wpa_s->hw.num_modes; i++) {
6010 int j;
6011
6012 mode = &wpa_s->hw.modes[i];
6013 for (j = 0; j < mode->num_channels; j++) {
6014 unsigned int freq;
6015
6016 if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
6017 continue;
6018
6019 freq = mode->channels[j].freq;
6020 if (!freq_range_list_includes(&ranges, freq))
6021 continue;
6022
6023 int_array_add_unique(&freqs, freq);
6024 }
6025 }
6026
6027 os_free(ranges.range);
6028 return freqs;
6029 }
6030
6031
6032 #ifdef CONFIG_INTERWORKING
6033
ctrl_interworking_select(struct wpa_supplicant * wpa_s,char * param)6034 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
6035 {
6036 int auto_sel = 0;
6037 int *freqs = NULL;
6038
6039 if (param) {
6040 char *pos;
6041
6042 auto_sel = os_strstr(param, "auto") != NULL;
6043
6044 pos = os_strstr(param, "freq=");
6045 if (pos) {
6046 freqs = freq_range_to_channel_list(wpa_s, pos + 5);
6047 if (freqs == NULL)
6048 return -1;
6049 }
6050
6051 }
6052
6053 return interworking_select(wpa_s, auto_sel, freqs);
6054 }
6055
6056
ctrl_interworking_connect(struct wpa_supplicant * wpa_s,char * dst,int only_add)6057 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst,
6058 int only_add)
6059 {
6060 u8 bssid[ETH_ALEN];
6061 struct wpa_bss *bss;
6062
6063 if (hwaddr_aton(dst, bssid)) {
6064 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
6065 return -1;
6066 }
6067
6068 bss = wpa_bss_get_bssid(wpa_s, bssid);
6069 if (bss == NULL) {
6070 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
6071 MAC2STR(bssid));
6072 return -1;
6073 }
6074
6075 if (bss->ssid_len == 0) {
6076 int found = 0;
6077
6078 wpa_printf(MSG_DEBUG, "Selected BSS entry for " MACSTR
6079 " does not have SSID information", MAC2STR(bssid));
6080
6081 dl_list_for_each_reverse(bss, &wpa_s->bss, struct wpa_bss,
6082 list) {
6083 if (os_memcmp(bss->bssid, bssid, ETH_ALEN) == 0 &&
6084 bss->ssid_len > 0) {
6085 found = 1;
6086 break;
6087 }
6088 }
6089
6090 if (!found)
6091 return -1;
6092 wpa_printf(MSG_DEBUG,
6093 "Found another matching BSS entry with SSID");
6094 }
6095
6096 return interworking_connect(wpa_s, bss, only_add);
6097 }
6098
6099
get_anqp(struct wpa_supplicant * wpa_s,char * dst)6100 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
6101 {
6102 u8 dst_addr[ETH_ALEN];
6103 int used;
6104 char *pos;
6105 #define MAX_ANQP_INFO_ID 100
6106 u16 id[MAX_ANQP_INFO_ID];
6107 size_t num_id = 0;
6108 u32 subtypes = 0;
6109
6110 used = hwaddr_aton2(dst, dst_addr);
6111 if (used < 0)
6112 return -1;
6113 pos = dst + used;
6114 if (*pos == ' ')
6115 pos++;
6116 while (num_id < MAX_ANQP_INFO_ID) {
6117 if (os_strncmp(pos, "hs20:", 5) == 0) {
6118 #ifdef CONFIG_HS20
6119 int num = atoi(pos + 5);
6120 if (num <= 0 || num > 31)
6121 return -1;
6122 subtypes |= BIT(num);
6123 #else /* CONFIG_HS20 */
6124 return -1;
6125 #endif /* CONFIG_HS20 */
6126 } else {
6127 id[num_id] = atoi(pos);
6128 if (id[num_id])
6129 num_id++;
6130 }
6131 pos = os_strchr(pos + 1, ',');
6132 if (pos == NULL)
6133 break;
6134 pos++;
6135 }
6136
6137 if (num_id == 0)
6138 return -1;
6139
6140 return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes);
6141 }
6142
6143
gas_request(struct wpa_supplicant * wpa_s,char * cmd)6144 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
6145 {
6146 u8 dst_addr[ETH_ALEN];
6147 struct wpabuf *advproto, *query = NULL;
6148 int used, ret = -1;
6149 char *pos, *end;
6150 size_t len;
6151
6152 used = hwaddr_aton2(cmd, dst_addr);
6153 if (used < 0)
6154 return -1;
6155
6156 pos = cmd + used;
6157 while (*pos == ' ')
6158 pos++;
6159
6160 /* Advertisement Protocol ID */
6161 end = os_strchr(pos, ' ');
6162 if (end)
6163 len = end - pos;
6164 else
6165 len = os_strlen(pos);
6166 if (len & 0x01)
6167 return -1;
6168 len /= 2;
6169 if (len == 0)
6170 return -1;
6171 advproto = wpabuf_alloc(len);
6172 if (advproto == NULL)
6173 return -1;
6174 if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
6175 goto fail;
6176
6177 if (end) {
6178 /* Optional Query Request */
6179 pos = end + 1;
6180 while (*pos == ' ')
6181 pos++;
6182
6183 len = os_strlen(pos);
6184 if (len) {
6185 if (len & 0x01)
6186 goto fail;
6187 len /= 2;
6188 if (len == 0)
6189 goto fail;
6190 query = wpabuf_alloc(len);
6191 if (query == NULL)
6192 goto fail;
6193 if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
6194 goto fail;
6195 }
6196 }
6197
6198 ret = gas_send_request(wpa_s, dst_addr, advproto, query);
6199
6200 fail:
6201 wpabuf_free(advproto);
6202 wpabuf_free(query);
6203
6204 return ret;
6205 }
6206
6207
gas_response_get(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)6208 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
6209 size_t buflen)
6210 {
6211 u8 addr[ETH_ALEN];
6212 int dialog_token;
6213 int used;
6214 char *pos;
6215 size_t resp_len, start, requested_len;
6216 struct wpabuf *resp;
6217 int ret;
6218
6219 used = hwaddr_aton2(cmd, addr);
6220 if (used < 0)
6221 return -1;
6222
6223 pos = cmd + used;
6224 while (*pos == ' ')
6225 pos++;
6226 dialog_token = atoi(pos);
6227
6228 if (wpa_s->last_gas_resp &&
6229 os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
6230 dialog_token == wpa_s->last_gas_dialog_token)
6231 resp = wpa_s->last_gas_resp;
6232 else if (wpa_s->prev_gas_resp &&
6233 os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
6234 dialog_token == wpa_s->prev_gas_dialog_token)
6235 resp = wpa_s->prev_gas_resp;
6236 else
6237 return -1;
6238
6239 resp_len = wpabuf_len(resp);
6240 start = 0;
6241 requested_len = resp_len;
6242
6243 pos = os_strchr(pos, ' ');
6244 if (pos) {
6245 start = atoi(pos);
6246 if (start > resp_len)
6247 return os_snprintf(buf, buflen, "FAIL-Invalid range");
6248 pos = os_strchr(pos, ',');
6249 if (pos == NULL)
6250 return -1;
6251 pos++;
6252 requested_len = atoi(pos);
6253 if (start + requested_len > resp_len)
6254 return os_snprintf(buf, buflen, "FAIL-Invalid range");
6255 }
6256
6257 if (requested_len * 2 + 1 > buflen)
6258 return os_snprintf(buf, buflen, "FAIL-Too long response");
6259
6260 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
6261 requested_len);
6262
6263 if (start + requested_len == resp_len) {
6264 /*
6265 * Free memory by dropping the response after it has been
6266 * fetched.
6267 */
6268 if (resp == wpa_s->prev_gas_resp) {
6269 wpabuf_free(wpa_s->prev_gas_resp);
6270 wpa_s->prev_gas_resp = NULL;
6271 } else {
6272 wpabuf_free(wpa_s->last_gas_resp);
6273 wpa_s->last_gas_resp = NULL;
6274 }
6275 }
6276
6277 return ret;
6278 }
6279 #endif /* CONFIG_INTERWORKING */
6280
6281
6282 #ifdef CONFIG_HS20
6283
get_hs20_anqp(struct wpa_supplicant * wpa_s,char * dst)6284 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
6285 {
6286 u8 dst_addr[ETH_ALEN];
6287 int used;
6288 char *pos;
6289 u32 subtypes = 0;
6290
6291 used = hwaddr_aton2(dst, dst_addr);
6292 if (used < 0)
6293 return -1;
6294 pos = dst + used;
6295 if (*pos == ' ')
6296 pos++;
6297 for (;;) {
6298 int num = atoi(pos);
6299 if (num <= 0 || num > 31)
6300 return -1;
6301 subtypes |= BIT(num);
6302 pos = os_strchr(pos + 1, ',');
6303 if (pos == NULL)
6304 break;
6305 pos++;
6306 }
6307
6308 if (subtypes == 0)
6309 return -1;
6310
6311 return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
6312 }
6313
6314
hs20_nai_home_realm_list(struct wpa_supplicant * wpa_s,const u8 * addr,const char * realm)6315 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6316 const u8 *addr, const char *realm)
6317 {
6318 u8 *buf;
6319 size_t rlen, len;
6320 int ret;
6321
6322 rlen = os_strlen(realm);
6323 len = 3 + rlen;
6324 buf = os_malloc(len);
6325 if (buf == NULL)
6326 return -1;
6327 buf[0] = 1; /* NAI Home Realm Count */
6328 buf[1] = 0; /* Formatted in accordance with RFC 4282 */
6329 buf[2] = rlen;
6330 os_memcpy(buf + 3, realm, rlen);
6331
6332 ret = hs20_anqp_send_req(wpa_s, addr,
6333 BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6334 buf, len);
6335
6336 os_free(buf);
6337
6338 return ret;
6339 }
6340
6341
hs20_get_nai_home_realm_list(struct wpa_supplicant * wpa_s,char * dst)6342 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6343 char *dst)
6344 {
6345 struct wpa_cred *cred = wpa_s->conf->cred;
6346 u8 dst_addr[ETH_ALEN];
6347 int used;
6348 u8 *buf;
6349 size_t len;
6350 int ret;
6351
6352 used = hwaddr_aton2(dst, dst_addr);
6353 if (used < 0)
6354 return -1;
6355
6356 while (dst[used] == ' ')
6357 used++;
6358 if (os_strncmp(dst + used, "realm=", 6) == 0)
6359 return hs20_nai_home_realm_list(wpa_s, dst_addr,
6360 dst + used + 6);
6361
6362 len = os_strlen(dst + used);
6363
6364 if (len == 0 && cred && cred->realm)
6365 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
6366
6367 if (len & 1)
6368 return -1;
6369 len /= 2;
6370 buf = os_malloc(len);
6371 if (buf == NULL)
6372 return -1;
6373 if (hexstr2bin(dst + used, buf, len) < 0) {
6374 os_free(buf);
6375 return -1;
6376 }
6377
6378 ret = hs20_anqp_send_req(wpa_s, dst_addr,
6379 BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6380 buf, len);
6381 os_free(buf);
6382
6383 return ret;
6384 }
6385
6386
hs20_icon_request(struct wpa_supplicant * wpa_s,char * cmd)6387 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd)
6388 {
6389 u8 dst_addr[ETH_ALEN];
6390 int used;
6391 char *icon;
6392
6393 used = hwaddr_aton2(cmd, dst_addr);
6394 if (used < 0)
6395 return -1;
6396
6397 while (cmd[used] == ' ')
6398 used++;
6399 icon = &cmd[used];
6400
6401 wpa_s->fetch_osu_icon_in_progress = 0;
6402 return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
6403 (u8 *) icon, os_strlen(icon));
6404 }
6405
6406 #endif /* CONFIG_HS20 */
6407
6408
6409 #ifdef CONFIG_AUTOSCAN
6410
wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant * wpa_s,char * cmd)6411 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
6412 char *cmd)
6413 {
6414 enum wpa_states state = wpa_s->wpa_state;
6415 char *new_params = NULL;
6416
6417 if (os_strlen(cmd) > 0) {
6418 new_params = os_strdup(cmd);
6419 if (new_params == NULL)
6420 return -1;
6421 }
6422
6423 os_free(wpa_s->conf->autoscan);
6424 wpa_s->conf->autoscan = new_params;
6425
6426 if (wpa_s->conf->autoscan == NULL)
6427 autoscan_deinit(wpa_s);
6428 else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
6429 autoscan_init(wpa_s, 1);
6430 else if (state == WPA_SCANNING)
6431 wpa_supplicant_reinit_autoscan(wpa_s);
6432
6433 return 0;
6434 }
6435
6436 #endif /* CONFIG_AUTOSCAN */
6437
6438
6439 #ifdef CONFIG_WNM
6440
wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant * wpa_s,char * cmd)6441 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
6442 {
6443 int enter;
6444 int intval = 0;
6445 char *pos;
6446 int ret;
6447 struct wpabuf *tfs_req = NULL;
6448
6449 if (os_strncmp(cmd, "enter", 5) == 0)
6450 enter = 1;
6451 else if (os_strncmp(cmd, "exit", 4) == 0)
6452 enter = 0;
6453 else
6454 return -1;
6455
6456 pos = os_strstr(cmd, " interval=");
6457 if (pos)
6458 intval = atoi(pos + 10);
6459
6460 pos = os_strstr(cmd, " tfs_req=");
6461 if (pos) {
6462 char *end;
6463 size_t len;
6464 pos += 9;
6465 end = os_strchr(pos, ' ');
6466 if (end)
6467 len = end - pos;
6468 else
6469 len = os_strlen(pos);
6470 if (len & 1)
6471 return -1;
6472 len /= 2;
6473 tfs_req = wpabuf_alloc(len);
6474 if (tfs_req == NULL)
6475 return -1;
6476 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
6477 wpabuf_free(tfs_req);
6478 return -1;
6479 }
6480 }
6481
6482 ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
6483 WNM_SLEEP_MODE_EXIT, intval,
6484 tfs_req);
6485 wpabuf_free(tfs_req);
6486
6487 return ret;
6488 }
6489
6490
wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant * wpa_s,char * cmd)6491 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
6492 {
6493 int query_reason;
6494
6495 query_reason = atoi(cmd);
6496
6497 wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
6498 query_reason);
6499
6500 return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
6501 }
6502
6503 #endif /* CONFIG_WNM */
6504
6505
wpa_supplicant_signal_poll(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)6506 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
6507 size_t buflen)
6508 {
6509 struct wpa_signal_info si;
6510 int ret;
6511 char *pos, *end;
6512
6513 ret = wpa_drv_signal_poll(wpa_s, &si);
6514 if (ret)
6515 return -1;
6516
6517 pos = buf;
6518 end = buf + buflen;
6519
6520 ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
6521 "NOISE=%d\nFREQUENCY=%u\n",
6522 si.current_signal, si.current_txrate / 1000,
6523 si.current_noise, si.frequency);
6524 if (os_snprintf_error(end - pos, ret))
6525 return -1;
6526 pos += ret;
6527
6528 if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
6529 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
6530 channel_width_to_string(si.chanwidth));
6531 if (os_snprintf_error(end - pos, ret))
6532 return -1;
6533 pos += ret;
6534 }
6535
6536 if (si.center_frq1 > 0 && si.center_frq2 > 0) {
6537 ret = os_snprintf(pos, end - pos,
6538 "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
6539 si.center_frq1, si.center_frq2);
6540 if (os_snprintf_error(end - pos, ret))
6541 return -1;
6542 pos += ret;
6543 }
6544
6545 if (si.avg_signal) {
6546 ret = os_snprintf(pos, end - pos,
6547 "AVG_RSSI=%d\n", si.avg_signal);
6548 if (os_snprintf_error(end - pos, ret))
6549 return -1;
6550 pos += ret;
6551 }
6552
6553 if (si.avg_beacon_signal) {
6554 ret = os_snprintf(pos, end - pos,
6555 "AVG_BEACON_RSSI=%d\n", si.avg_beacon_signal);
6556 if (os_snprintf_error(end - pos, ret))
6557 return -1;
6558 pos += ret;
6559 }
6560
6561 return pos - buf;
6562 }
6563
6564
wpa_supplicant_pktcnt_poll(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)6565 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
6566 size_t buflen)
6567 {
6568 struct hostap_sta_driver_data sta;
6569 int ret;
6570
6571 ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
6572 if (ret)
6573 return -1;
6574
6575 ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
6576 sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
6577 if (os_snprintf_error(buflen, ret))
6578 return -1;
6579 return ret;
6580 }
6581
6582
6583 #ifdef ANDROID
wpa_supplicant_driver_cmd(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)6584 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6585 char *buf, size_t buflen)
6586 {
6587 int ret;
6588
6589 ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
6590 if (ret == 0) {
6591 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
6592 struct p2p_data *p2p = wpa_s->global->p2p;
6593 if (p2p) {
6594 char country[3];
6595 country[0] = cmd[8];
6596 country[1] = cmd[9];
6597 country[2] = 0x04;
6598 p2p_set_country(p2p, country);
6599 }
6600 }
6601 ret = os_snprintf(buf, buflen, "%s\n", "OK");
6602 if (os_snprintf_error(buflen, ret))
6603 ret = -1;
6604 }
6605 return ret;
6606 }
6607 #endif /* ANDROID */
6608
6609
wpa_supplicant_vendor_cmd(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)6610 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6611 char *buf, size_t buflen)
6612 {
6613 int ret;
6614 char *pos;
6615 u8 *data = NULL;
6616 unsigned int vendor_id, subcmd;
6617 struct wpabuf *reply;
6618 size_t data_len = 0;
6619
6620 /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
6621 vendor_id = strtoul(cmd, &pos, 16);
6622 if (!isblank(*pos))
6623 return -EINVAL;
6624
6625 subcmd = strtoul(pos, &pos, 10);
6626
6627 if (*pos != '\0') {
6628 if (!isblank(*pos++))
6629 return -EINVAL;
6630 data_len = os_strlen(pos);
6631 }
6632
6633 if (data_len) {
6634 data_len /= 2;
6635 data = os_malloc(data_len);
6636 if (!data)
6637 return -1;
6638
6639 if (hexstr2bin(pos, data, data_len)) {
6640 wpa_printf(MSG_DEBUG,
6641 "Vendor command: wrong parameter format");
6642 os_free(data);
6643 return -EINVAL;
6644 }
6645 }
6646
6647 reply = wpabuf_alloc((buflen - 1) / 2);
6648 if (!reply) {
6649 os_free(data);
6650 return -1;
6651 }
6652
6653 ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
6654 reply);
6655
6656 if (ret == 0)
6657 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
6658 wpabuf_len(reply));
6659
6660 wpabuf_free(reply);
6661 os_free(data);
6662
6663 return ret;
6664 }
6665
6666
wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant * wpa_s)6667 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
6668 {
6669 #ifdef CONFIG_P2P
6670 struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s ?
6671 wpa_s->global->p2p_init_wpa_s : wpa_s;
6672 #endif /* CONFIG_P2P */
6673
6674 wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
6675
6676 #ifdef CONFIG_P2P
6677 wpas_p2p_cancel(p2p_wpa_s);
6678 p2p_ctrl_flush(p2p_wpa_s);
6679 wpas_p2p_group_remove(p2p_wpa_s, "*");
6680 wpas_p2p_service_flush(p2p_wpa_s);
6681 p2p_wpa_s->global->p2p_disabled = 0;
6682 p2p_wpa_s->global->p2p_per_sta_psk = 0;
6683 p2p_wpa_s->conf->num_sec_device_types = 0;
6684 p2p_wpa_s->p2p_disable_ip_addr_req = 0;
6685 os_free(p2p_wpa_s->global->p2p_go_avoid_freq.range);
6686 p2p_wpa_s->global->p2p_go_avoid_freq.range = NULL;
6687 p2p_wpa_s->global->pending_p2ps_group = 0;
6688 #endif /* CONFIG_P2P */
6689
6690 #ifdef CONFIG_WPS_TESTING
6691 wps_version_number = 0x20;
6692 wps_testing_dummy_cred = 0;
6693 wps_corrupt_pkhash = 0;
6694 #endif /* CONFIG_WPS_TESTING */
6695 #ifdef CONFIG_WPS
6696 wpa_s->wps_fragment_size = 0;
6697 wpas_wps_cancel(wpa_s);
6698 wps_registrar_flush(wpa_s->wps->registrar);
6699 #endif /* CONFIG_WPS */
6700 wpa_s->after_wps = 0;
6701 wpa_s->known_wps_freq = 0;
6702
6703 #ifdef CONFIG_TDLS
6704 #ifdef CONFIG_TDLS_TESTING
6705 extern unsigned int tdls_testing;
6706 tdls_testing = 0;
6707 #endif /* CONFIG_TDLS_TESTING */
6708 wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
6709 wpa_tdls_enable(wpa_s->wpa, 1);
6710 #endif /* CONFIG_TDLS */
6711
6712 eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
6713 wpa_supplicant_stop_countermeasures(wpa_s, NULL);
6714
6715 wpa_s->no_keep_alive = 0;
6716 wpa_s->own_disconnect_req = 0;
6717
6718 os_free(wpa_s->disallow_aps_bssid);
6719 wpa_s->disallow_aps_bssid = NULL;
6720 wpa_s->disallow_aps_bssid_count = 0;
6721 os_free(wpa_s->disallow_aps_ssid);
6722 wpa_s->disallow_aps_ssid = NULL;
6723 wpa_s->disallow_aps_ssid_count = 0;
6724
6725 wpa_s->set_sta_uapsd = 0;
6726 wpa_s->sta_uapsd = 0;
6727
6728 wpa_drv_radio_disable(wpa_s, 0);
6729 wpa_blacklist_clear(wpa_s);
6730 wpa_s->extra_blacklist_count = 0;
6731 wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
6732 wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
6733 wpa_config_flush_blobs(wpa_s->conf);
6734 wpa_s->conf->auto_interworking = 0;
6735 wpa_s->conf->okc = 0;
6736
6737 wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
6738 rsn_preauth_deinit(wpa_s->wpa);
6739
6740 wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
6741 wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
6742 wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
6743 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
6744
6745 radio_remove_works(wpa_s, NULL, 1);
6746 wpa_s->ext_work_in_progress = 0;
6747
6748 wpa_s->next_ssid = NULL;
6749
6750 #ifdef CONFIG_INTERWORKING
6751 hs20_cancel_fetch_osu(wpa_s);
6752 #endif /* CONFIG_INTERWORKING */
6753
6754 wpa_s->ext_mgmt_frame_handling = 0;
6755 wpa_s->ext_eapol_frame_io = 0;
6756 #ifdef CONFIG_TESTING_OPTIONS
6757 wpa_s->extra_roc_dur = 0;
6758 wpa_s->test_failure = WPAS_TEST_FAILURE_NONE;
6759 #endif /* CONFIG_TESTING_OPTIONS */
6760
6761 wpa_s->disconnected = 0;
6762 os_free(wpa_s->next_scan_freqs);
6763 wpa_s->next_scan_freqs = NULL;
6764
6765 wpa_bss_flush(wpa_s);
6766 if (!dl_list_empty(&wpa_s->bss)) {
6767 wpa_printf(MSG_DEBUG,
6768 "BSS table not empty after flush: %u entries, current_bss=%p bssid="
6769 MACSTR " pending_bssid=" MACSTR,
6770 dl_list_len(&wpa_s->bss), wpa_s->current_bss,
6771 MAC2STR(wpa_s->bssid),
6772 MAC2STR(wpa_s->pending_bssid));
6773 }
6774
6775 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
6776 }
6777
6778
wpas_ctrl_radio_work_show(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)6779 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
6780 char *buf, size_t buflen)
6781 {
6782 struct wpa_radio_work *work;
6783 char *pos, *end;
6784 struct os_reltime now, diff;
6785
6786 pos = buf;
6787 end = buf + buflen;
6788
6789 os_get_reltime(&now);
6790
6791 dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6792 {
6793 int ret;
6794
6795 os_reltime_sub(&now, &work->time, &diff);
6796 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
6797 work->type, work->wpa_s->ifname, work->freq,
6798 work->started, diff.sec, diff.usec);
6799 if (os_snprintf_error(end - pos, ret))
6800 break;
6801 pos += ret;
6802 }
6803
6804 return pos - buf;
6805 }
6806
6807
wpas_ctrl_radio_work_timeout(void * eloop_ctx,void * timeout_ctx)6808 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
6809 {
6810 struct wpa_radio_work *work = eloop_ctx;
6811 struct wpa_external_work *ework = work->ctx;
6812
6813 wpa_dbg(work->wpa_s, MSG_DEBUG,
6814 "Timing out external radio work %u (%s)",
6815 ework->id, work->type);
6816 wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
6817 work->wpa_s->ext_work_in_progress = 0;
6818 radio_work_done(work);
6819 os_free(ework);
6820 }
6821
6822
wpas_ctrl_radio_work_cb(struct wpa_radio_work * work,int deinit)6823 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
6824 {
6825 struct wpa_external_work *ework = work->ctx;
6826
6827 if (deinit) {
6828 if (work->started)
6829 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6830 work, NULL);
6831
6832 os_free(ework);
6833 return;
6834 }
6835
6836 wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
6837 ework->id, ework->type);
6838 wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
6839 work->wpa_s->ext_work_in_progress = 1;
6840 if (!ework->timeout)
6841 ework->timeout = 10;
6842 eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
6843 work, NULL);
6844 }
6845
6846
wpas_ctrl_radio_work_add(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)6847 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
6848 char *buf, size_t buflen)
6849 {
6850 struct wpa_external_work *ework;
6851 char *pos, *pos2;
6852 size_t type_len;
6853 int ret;
6854 unsigned int freq = 0;
6855
6856 /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
6857
6858 ework = os_zalloc(sizeof(*ework));
6859 if (ework == NULL)
6860 return -1;
6861
6862 pos = os_strchr(cmd, ' ');
6863 if (pos) {
6864 type_len = pos - cmd;
6865 pos++;
6866
6867 pos2 = os_strstr(pos, "freq=");
6868 if (pos2)
6869 freq = atoi(pos2 + 5);
6870
6871 pos2 = os_strstr(pos, "timeout=");
6872 if (pos2)
6873 ework->timeout = atoi(pos2 + 8);
6874 } else {
6875 type_len = os_strlen(cmd);
6876 }
6877 if (4 + type_len >= sizeof(ework->type))
6878 type_len = sizeof(ework->type) - 4 - 1;
6879 os_strlcpy(ework->type, "ext:", sizeof(ework->type));
6880 os_memcpy(ework->type + 4, cmd, type_len);
6881 ework->type[4 + type_len] = '\0';
6882
6883 wpa_s->ext_work_id++;
6884 if (wpa_s->ext_work_id == 0)
6885 wpa_s->ext_work_id++;
6886 ework->id = wpa_s->ext_work_id;
6887
6888 if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
6889 ework) < 0) {
6890 os_free(ework);
6891 return -1;
6892 }
6893
6894 ret = os_snprintf(buf, buflen, "%u", ework->id);
6895 if (os_snprintf_error(buflen, ret))
6896 return -1;
6897 return ret;
6898 }
6899
6900
wpas_ctrl_radio_work_done(struct wpa_supplicant * wpa_s,char * cmd)6901 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
6902 {
6903 struct wpa_radio_work *work;
6904 unsigned int id = atoi(cmd);
6905
6906 dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6907 {
6908 struct wpa_external_work *ework;
6909
6910 if (os_strncmp(work->type, "ext:", 4) != 0)
6911 continue;
6912 ework = work->ctx;
6913 if (id && ework->id != id)
6914 continue;
6915 wpa_dbg(wpa_s, MSG_DEBUG,
6916 "Completed external radio work %u (%s)",
6917 ework->id, ework->type);
6918 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
6919 wpa_s->ext_work_in_progress = 0;
6920 radio_work_done(work);
6921 os_free(ework);
6922 return 3; /* "OK\n" */
6923 }
6924
6925 return -1;
6926 }
6927
6928
wpas_ctrl_radio_work(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)6929 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
6930 char *buf, size_t buflen)
6931 {
6932 if (os_strcmp(cmd, "show") == 0)
6933 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
6934 if (os_strncmp(cmd, "add ", 4) == 0)
6935 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
6936 if (os_strncmp(cmd, "done ", 5) == 0)
6937 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
6938 return -1;
6939 }
6940
6941
wpas_ctrl_radio_work_flush(struct wpa_supplicant * wpa_s)6942 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
6943 {
6944 struct wpa_radio_work *work, *tmp;
6945
6946 if (!wpa_s || !wpa_s->radio)
6947 return;
6948
6949 dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
6950 struct wpa_radio_work, list) {
6951 struct wpa_external_work *ework;
6952
6953 if (os_strncmp(work->type, "ext:", 4) != 0)
6954 continue;
6955 ework = work->ctx;
6956 wpa_dbg(wpa_s, MSG_DEBUG,
6957 "Flushing%s external radio work %u (%s)",
6958 work->started ? " started" : "", ework->id,
6959 ework->type);
6960 if (work->started)
6961 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6962 work, NULL);
6963 radio_work_done(work);
6964 os_free(ework);
6965 }
6966 }
6967
6968
wpas_ctrl_eapol_response(void * eloop_ctx,void * timeout_ctx)6969 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
6970 {
6971 struct wpa_supplicant *wpa_s = eloop_ctx;
6972 eapol_sm_notify_ctrl_response(wpa_s->eapol);
6973 }
6974
6975
scan_id_list_parse(struct wpa_supplicant * wpa_s,const char * value,unsigned int * scan_id_count,int scan_id[])6976 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value,
6977 unsigned int *scan_id_count, int scan_id[])
6978 {
6979 const char *pos = value;
6980
6981 while (pos) {
6982 if (*pos == ' ' || *pos == '\0')
6983 break;
6984 if (*scan_id_count == MAX_SCAN_ID)
6985 return -1;
6986 scan_id[(*scan_id_count)++] = atoi(pos);
6987 pos = os_strchr(pos, ',');
6988 if (pos)
6989 pos++;
6990 }
6991
6992 return 0;
6993 }
6994
6995
wpas_ctrl_scan(struct wpa_supplicant * wpa_s,char * params,char * reply,int reply_size,int * reply_len)6996 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
6997 char *reply, int reply_size, int *reply_len)
6998 {
6999 char *pos;
7000 unsigned int manual_scan_passive = 0;
7001 unsigned int manual_scan_use_id = 0;
7002 unsigned int manual_scan_only_new = 0;
7003 unsigned int scan_only = 0;
7004 unsigned int scan_id_count = 0;
7005 int scan_id[MAX_SCAN_ID];
7006 void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
7007 struct wpa_scan_results *scan_res);
7008 int *manual_scan_freqs = NULL;
7009 struct wpa_ssid_value *ssid = NULL, *ns;
7010 unsigned int ssid_count = 0;
7011
7012 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
7013 *reply_len = -1;
7014 return;
7015 }
7016
7017 if (radio_work_pending(wpa_s, "scan")) {
7018 wpa_printf(MSG_DEBUG,
7019 "Pending scan scheduled - reject new request");
7020 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7021 return;
7022 }
7023
7024 #ifdef CONFIG_INTERWORKING
7025 if (wpa_s->fetch_anqp_in_progress || wpa_s->network_select) {
7026 wpa_printf(MSG_DEBUG,
7027 "Interworking select in progress - reject new scan");
7028 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7029 return;
7030 }
7031 #endif /* CONFIG_INTERWORKING */
7032
7033 if (params) {
7034 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
7035 scan_only = 1;
7036
7037 pos = os_strstr(params, "freq=");
7038 if (pos) {
7039 manual_scan_freqs = freq_range_to_channel_list(wpa_s,
7040 pos + 5);
7041 if (manual_scan_freqs == NULL) {
7042 *reply_len = -1;
7043 goto done;
7044 }
7045 }
7046
7047 pos = os_strstr(params, "passive=");
7048 if (pos)
7049 manual_scan_passive = !!atoi(pos + 8);
7050
7051 pos = os_strstr(params, "use_id=");
7052 if (pos)
7053 manual_scan_use_id = atoi(pos + 7);
7054
7055 pos = os_strstr(params, "only_new=1");
7056 if (pos)
7057 manual_scan_only_new = 1;
7058
7059 pos = os_strstr(params, "scan_id=");
7060 if (pos && scan_id_list_parse(wpa_s, pos + 8, &scan_id_count,
7061 scan_id) < 0) {
7062 *reply_len = -1;
7063 goto done;
7064 }
7065
7066 pos = params;
7067 while (pos && *pos != '\0') {
7068 if (os_strncmp(pos, "ssid ", 5) == 0) {
7069 char *end;
7070
7071 pos += 5;
7072 end = pos;
7073 while (*end) {
7074 if (*end == '\0' || *end == ' ')
7075 break;
7076 end++;
7077 }
7078
7079 ns = os_realloc_array(
7080 ssid, ssid_count + 1,
7081 sizeof(struct wpa_ssid_value));
7082 if (ns == NULL) {
7083 *reply_len = -1;
7084 goto done;
7085 }
7086 ssid = ns;
7087
7088 if ((end - pos) & 0x01 ||
7089 end - pos > 2 * SSID_MAX_LEN ||
7090 hexstr2bin(pos, ssid[ssid_count].ssid,
7091 (end - pos) / 2) < 0) {
7092 wpa_printf(MSG_DEBUG,
7093 "Invalid SSID value '%s'",
7094 pos);
7095 *reply_len = -1;
7096 goto done;
7097 }
7098 ssid[ssid_count].ssid_len = (end - pos) / 2;
7099 wpa_hexdump_ascii(MSG_DEBUG, "scan SSID",
7100 ssid[ssid_count].ssid,
7101 ssid[ssid_count].ssid_len);
7102 ssid_count++;
7103 pos = end;
7104 }
7105
7106 pos = os_strchr(pos, ' ');
7107 if (pos)
7108 pos++;
7109 }
7110 }
7111
7112 wpa_s->num_ssids_from_scan_req = ssid_count;
7113 os_free(wpa_s->ssids_from_scan_req);
7114 if (ssid_count) {
7115 wpa_s->ssids_from_scan_req = ssid;
7116 ssid = NULL;
7117 } else {
7118 wpa_s->ssids_from_scan_req = NULL;
7119 }
7120
7121 if (scan_only)
7122 scan_res_handler = scan_only_handler;
7123 else if (wpa_s->scan_res_handler == scan_only_handler)
7124 scan_res_handler = NULL;
7125 else
7126 scan_res_handler = wpa_s->scan_res_handler;
7127
7128 if (!wpa_s->sched_scanning && !wpa_s->scanning &&
7129 ((wpa_s->wpa_state <= WPA_SCANNING) ||
7130 (wpa_s->wpa_state == WPA_COMPLETED))) {
7131 wpa_s->manual_scan_passive = manual_scan_passive;
7132 wpa_s->manual_scan_use_id = manual_scan_use_id;
7133 wpa_s->manual_scan_only_new = manual_scan_only_new;
7134 wpa_s->scan_id_count = scan_id_count;
7135 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7136 wpa_s->scan_res_handler = scan_res_handler;
7137 os_free(wpa_s->manual_scan_freqs);
7138 wpa_s->manual_scan_freqs = manual_scan_freqs;
7139 manual_scan_freqs = NULL;
7140
7141 wpa_s->normal_scans = 0;
7142 wpa_s->scan_req = MANUAL_SCAN_REQ;
7143 wpa_s->after_wps = 0;
7144 wpa_s->known_wps_freq = 0;
7145 wpa_supplicant_req_scan(wpa_s, 0, 0);
7146 if (wpa_s->manual_scan_use_id) {
7147 wpa_s->manual_scan_id++;
7148 wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7149 wpa_s->manual_scan_id);
7150 *reply_len = os_snprintf(reply, reply_size, "%u\n",
7151 wpa_s->manual_scan_id);
7152 }
7153 } else if (wpa_s->sched_scanning) {
7154 wpa_s->manual_scan_passive = manual_scan_passive;
7155 wpa_s->manual_scan_use_id = manual_scan_use_id;
7156 wpa_s->manual_scan_only_new = manual_scan_only_new;
7157 wpa_s->scan_id_count = scan_id_count;
7158 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7159 wpa_s->scan_res_handler = scan_res_handler;
7160 os_free(wpa_s->manual_scan_freqs);
7161 wpa_s->manual_scan_freqs = manual_scan_freqs;
7162 manual_scan_freqs = NULL;
7163
7164 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
7165 wpa_supplicant_cancel_sched_scan(wpa_s);
7166 wpa_s->scan_req = MANUAL_SCAN_REQ;
7167 wpa_supplicant_req_scan(wpa_s, 0, 0);
7168 if (wpa_s->manual_scan_use_id) {
7169 wpa_s->manual_scan_id++;
7170 *reply_len = os_snprintf(reply, reply_size, "%u\n",
7171 wpa_s->manual_scan_id);
7172 wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7173 wpa_s->manual_scan_id);
7174 }
7175 } else {
7176 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
7177 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7178 }
7179
7180 done:
7181 os_free(manual_scan_freqs);
7182 os_free(ssid);
7183 }
7184
7185
7186 #ifdef CONFIG_TESTING_OPTIONS
7187
wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant * wpa_s,unsigned int freq,const u8 * dst,const u8 * src,const u8 * bssid,const u8 * data,size_t data_len,enum offchannel_send_action_result result)7188 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
7189 unsigned int freq, const u8 *dst,
7190 const u8 *src, const u8 *bssid,
7191 const u8 *data, size_t data_len,
7192 enum offchannel_send_action_result
7193 result)
7194 {
7195 wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
7196 " src=" MACSTR " bssid=" MACSTR " result=%s",
7197 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
7198 result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
7199 "SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
7200 "NO_ACK" : "FAILED"));
7201 }
7202
7203
wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant * wpa_s,char * cmd)7204 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
7205 {
7206 char *pos, *param;
7207 size_t len;
7208 u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
7209 int res, used;
7210 int freq = 0, no_cck = 0, wait_time = 0;
7211
7212 /* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
7213 * <action=Action frame payload> */
7214
7215 wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
7216
7217 pos = cmd;
7218 used = hwaddr_aton2(pos, da);
7219 if (used < 0)
7220 return -1;
7221 pos += used;
7222 while (*pos == ' ')
7223 pos++;
7224 used = hwaddr_aton2(pos, bssid);
7225 if (used < 0)
7226 return -1;
7227 pos += used;
7228
7229 param = os_strstr(pos, " freq=");
7230 if (param) {
7231 param += 6;
7232 freq = atoi(param);
7233 }
7234
7235 param = os_strstr(pos, " no_cck=");
7236 if (param) {
7237 param += 8;
7238 no_cck = atoi(param);
7239 }
7240
7241 param = os_strstr(pos, " wait_time=");
7242 if (param) {
7243 param += 11;
7244 wait_time = atoi(param);
7245 }
7246
7247 param = os_strstr(pos, " action=");
7248 if (param == NULL)
7249 return -1;
7250 param += 8;
7251
7252 len = os_strlen(param);
7253 if (len & 1)
7254 return -1;
7255 len /= 2;
7256
7257 buf = os_malloc(len);
7258 if (buf == NULL)
7259 return -1;
7260
7261 if (hexstr2bin(param, buf, len) < 0) {
7262 os_free(buf);
7263 return -1;
7264 }
7265
7266 res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
7267 buf, len, wait_time,
7268 wpas_ctrl_iface_mgmt_tx_cb, no_cck);
7269 os_free(buf);
7270 return res;
7271 }
7272
7273
wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant * wpa_s)7274 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
7275 {
7276 wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
7277 offchannel_send_action_done(wpa_s);
7278 }
7279
7280
wpas_ctrl_iface_driver_event(struct wpa_supplicant * wpa_s,char * cmd)7281 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
7282 {
7283 char *pos, *param;
7284 union wpa_event_data event;
7285 enum wpa_event_type ev;
7286
7287 /* <event name> [parameters..] */
7288
7289 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
7290
7291 pos = cmd;
7292 param = os_strchr(pos, ' ');
7293 if (param)
7294 *param++ = '\0';
7295
7296 os_memset(&event, 0, sizeof(event));
7297
7298 if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
7299 ev = EVENT_INTERFACE_ENABLED;
7300 } else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
7301 ev = EVENT_INTERFACE_DISABLED;
7302 } else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
7303 ev = EVENT_AVOID_FREQUENCIES;
7304 if (param == NULL)
7305 param = "";
7306 if (freq_range_list_parse(&event.freq_range, param) < 0)
7307 return -1;
7308 wpa_supplicant_event(wpa_s, ev, &event);
7309 os_free(event.freq_range.range);
7310 return 0;
7311 } else {
7312 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
7313 cmd);
7314 return -1;
7315 }
7316
7317 wpa_supplicant_event(wpa_s, ev, &event);
7318
7319 return 0;
7320 }
7321
7322
wpas_ctrl_iface_eapol_rx(struct wpa_supplicant * wpa_s,char * cmd)7323 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
7324 {
7325 char *pos;
7326 u8 src[ETH_ALEN], *buf;
7327 int used;
7328 size_t len;
7329
7330 wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
7331
7332 pos = cmd;
7333 used = hwaddr_aton2(pos, src);
7334 if (used < 0)
7335 return -1;
7336 pos += used;
7337 while (*pos == ' ')
7338 pos++;
7339
7340 len = os_strlen(pos);
7341 if (len & 1)
7342 return -1;
7343 len /= 2;
7344
7345 buf = os_malloc(len);
7346 if (buf == NULL)
7347 return -1;
7348
7349 if (hexstr2bin(pos, buf, len) < 0) {
7350 os_free(buf);
7351 return -1;
7352 }
7353
7354 wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
7355 os_free(buf);
7356
7357 return 0;
7358 }
7359
7360
ipv4_hdr_checksum(const void * buf,size_t len)7361 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
7362 {
7363 size_t i;
7364 u32 sum = 0;
7365 const u16 *pos = buf;
7366
7367 for (i = 0; i < len / 2; i++)
7368 sum += *pos++;
7369
7370 while (sum >> 16)
7371 sum = (sum & 0xffff) + (sum >> 16);
7372
7373 return sum ^ 0xffff;
7374 }
7375
7376
7377 #define HWSIM_PACKETLEN 1500
7378 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
7379
wpas_data_test_rx(void * ctx,const u8 * src_addr,const u8 * buf,size_t len)7380 void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
7381 {
7382 struct wpa_supplicant *wpa_s = ctx;
7383 const struct ether_header *eth;
7384 const struct iphdr *ip;
7385 const u8 *pos;
7386 unsigned int i;
7387
7388 if (len != HWSIM_PACKETLEN)
7389 return;
7390
7391 eth = (const struct ether_header *) buf;
7392 ip = (const struct iphdr *) (eth + 1);
7393 pos = (const u8 *) (ip + 1);
7394
7395 if (ip->ihl != 5 || ip->version != 4 ||
7396 ntohs(ip->tot_len) != HWSIM_IP_LEN)
7397 return;
7398
7399 for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++) {
7400 if (*pos != (u8) i)
7401 return;
7402 pos++;
7403 }
7404
7405 wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
7406 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
7407 }
7408
7409
wpas_ctrl_iface_data_test_config(struct wpa_supplicant * wpa_s,char * cmd)7410 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
7411 char *cmd)
7412 {
7413 int enabled = atoi(cmd);
7414
7415 if (!enabled) {
7416 if (wpa_s->l2_test) {
7417 l2_packet_deinit(wpa_s->l2_test);
7418 wpa_s->l2_test = NULL;
7419 wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
7420 }
7421 return 0;
7422 }
7423
7424 if (wpa_s->l2_test)
7425 return 0;
7426
7427 wpa_s->l2_test = l2_packet_init(wpa_s->ifname, wpa_s->own_addr,
7428 ETHERTYPE_IP, wpas_data_test_rx,
7429 wpa_s, 1);
7430 if (wpa_s->l2_test == NULL)
7431 return -1;
7432
7433 wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
7434
7435 return 0;
7436 }
7437
7438
wpas_ctrl_iface_data_test_tx(struct wpa_supplicant * wpa_s,char * cmd)7439 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
7440 {
7441 u8 dst[ETH_ALEN], src[ETH_ALEN];
7442 char *pos;
7443 int used;
7444 long int val;
7445 u8 tos;
7446 u8 buf[HWSIM_PACKETLEN];
7447 struct ether_header *eth;
7448 struct iphdr *ip;
7449 u8 *dpos;
7450 unsigned int i;
7451
7452 if (wpa_s->l2_test == NULL)
7453 return -1;
7454
7455 /* format: <dst> <src> <tos> */
7456
7457 pos = cmd;
7458 used = hwaddr_aton2(pos, dst);
7459 if (used < 0)
7460 return -1;
7461 pos += used;
7462 while (*pos == ' ')
7463 pos++;
7464 used = hwaddr_aton2(pos, src);
7465 if (used < 0)
7466 return -1;
7467 pos += used;
7468
7469 val = strtol(pos, NULL, 0);
7470 if (val < 0 || val > 0xff)
7471 return -1;
7472 tos = val;
7473
7474 eth = (struct ether_header *) buf;
7475 os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
7476 os_memcpy(eth->ether_shost, src, ETH_ALEN);
7477 eth->ether_type = htons(ETHERTYPE_IP);
7478 ip = (struct iphdr *) (eth + 1);
7479 os_memset(ip, 0, sizeof(*ip));
7480 ip->ihl = 5;
7481 ip->version = 4;
7482 ip->ttl = 64;
7483 ip->tos = tos;
7484 ip->tot_len = htons(HWSIM_IP_LEN);
7485 ip->protocol = 1;
7486 ip->saddr = htonl(192 << 24 | 168 << 16 | 1 << 8 | 1);
7487 ip->daddr = htonl(192 << 24 | 168 << 16 | 1 << 8 | 2);
7488 ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
7489 dpos = (u8 *) (ip + 1);
7490 for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
7491 *dpos++ = i;
7492
7493 if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, buf,
7494 HWSIM_PACKETLEN) < 0)
7495 return -1;
7496
7497 wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
7498 " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
7499
7500 return 0;
7501 }
7502
7503
wpas_ctrl_iface_data_test_frame(struct wpa_supplicant * wpa_s,char * cmd)7504 static int wpas_ctrl_iface_data_test_frame(struct wpa_supplicant *wpa_s,
7505 char *cmd)
7506 {
7507 u8 *buf;
7508 struct ether_header *eth;
7509 struct l2_packet_data *l2 = NULL;
7510 size_t len;
7511 u16 ethertype;
7512 int res = -1;
7513
7514 len = os_strlen(cmd);
7515 if (len & 1 || len < ETH_HLEN * 2)
7516 return -1;
7517 len /= 2;
7518
7519 buf = os_malloc(len);
7520 if (buf == NULL)
7521 return -1;
7522
7523 if (hexstr2bin(cmd, buf, len) < 0)
7524 goto done;
7525
7526 eth = (struct ether_header *) buf;
7527 ethertype = ntohs(eth->ether_type);
7528
7529 l2 = l2_packet_init(wpa_s->ifname, wpa_s->own_addr, ethertype,
7530 wpas_data_test_rx, wpa_s, 1);
7531 if (l2 == NULL)
7532 goto done;
7533
7534 res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
7535 wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX frame res=%d", res);
7536 done:
7537 if (l2)
7538 l2_packet_deinit(l2);
7539 os_free(buf);
7540
7541 return res < 0 ? -1 : 0;
7542 }
7543
7544
wpas_ctrl_test_alloc_fail(struct wpa_supplicant * wpa_s,char * cmd)7545 static int wpas_ctrl_test_alloc_fail(struct wpa_supplicant *wpa_s, char *cmd)
7546 {
7547 #ifdef WPA_TRACE_BFD
7548 extern char wpa_trace_fail_func[256];
7549 extern unsigned int wpa_trace_fail_after;
7550 char *pos;
7551
7552 wpa_trace_fail_after = atoi(cmd);
7553 pos = os_strchr(cmd, ':');
7554 if (pos) {
7555 pos++;
7556 os_strlcpy(wpa_trace_fail_func, pos,
7557 sizeof(wpa_trace_fail_func));
7558 } else {
7559 wpa_trace_fail_after = 0;
7560 }
7561 return 0;
7562 #else /* WPA_TRACE_BFD */
7563 return -1;
7564 #endif /* WPA_TRACE_BFD */
7565 }
7566
7567
wpas_ctrl_get_alloc_fail(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)7568 static int wpas_ctrl_get_alloc_fail(struct wpa_supplicant *wpa_s,
7569 char *buf, size_t buflen)
7570 {
7571 #ifdef WPA_TRACE_BFD
7572 extern char wpa_trace_fail_func[256];
7573 extern unsigned int wpa_trace_fail_after;
7574
7575 return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
7576 wpa_trace_fail_func);
7577 #else /* WPA_TRACE_BFD */
7578 return -1;
7579 #endif /* WPA_TRACE_BFD */
7580 }
7581
7582
wpas_ctrl_event_test_cb(void * eloop_ctx,void * timeout_ctx)7583 static void wpas_ctrl_event_test_cb(void *eloop_ctx, void *timeout_ctx)
7584 {
7585 struct wpa_supplicant *wpa_s = eloop_ctx;
7586 int i, count = (intptr_t) timeout_ctx;
7587
7588 wpa_printf(MSG_DEBUG, "TEST: Send %d control interface event messages",
7589 count);
7590 for (i = 0; i < count; i++) {
7591 wpa_msg_ctrl(wpa_s, MSG_INFO, "TEST-EVENT-MESSAGE %d/%d",
7592 i + 1, count);
7593 }
7594 }
7595
7596
wpas_ctrl_event_test(struct wpa_supplicant * wpa_s,const char * cmd)7597 static int wpas_ctrl_event_test(struct wpa_supplicant *wpa_s, const char *cmd)
7598 {
7599 int count;
7600
7601 count = atoi(cmd);
7602 if (count <= 0)
7603 return -1;
7604
7605 return eloop_register_timeout(0, 0, wpas_ctrl_event_test_cb, wpa_s,
7606 (void *) (intptr_t) count);
7607 }
7608
7609 #endif /* CONFIG_TESTING_OPTIONS */
7610
7611
wpas_ctrl_vendor_elem_update(struct wpa_supplicant * wpa_s)7612 static void wpas_ctrl_vendor_elem_update(struct wpa_supplicant *wpa_s)
7613 {
7614 unsigned int i;
7615 char buf[30];
7616
7617 wpa_printf(MSG_DEBUG, "Update vendor elements");
7618
7619 for (i = 0; i < NUM_VENDOR_ELEM_FRAMES; i++) {
7620 if (wpa_s->vendor_elem[i]) {
7621 int res;
7622
7623 res = os_snprintf(buf, sizeof(buf), "frame[%u]", i);
7624 if (!os_snprintf_error(sizeof(buf), res)) {
7625 wpa_hexdump_buf(MSG_DEBUG, buf,
7626 wpa_s->vendor_elem[i]);
7627 }
7628 }
7629 }
7630
7631 #ifdef CONFIG_P2P
7632 if (wpa_s->parent == wpa_s &&
7633 wpa_s->global->p2p &&
7634 !wpa_s->global->p2p_disabled)
7635 p2p_set_vendor_elems(wpa_s->global->p2p, wpa_s->vendor_elem);
7636 #endif /* CONFIG_P2P */
7637 }
7638
7639
7640 static struct wpa_supplicant *
wpas_ctrl_vendor_elem_iface(struct wpa_supplicant * wpa_s,enum wpa_vendor_elem_frame frame)7641 wpas_ctrl_vendor_elem_iface(struct wpa_supplicant *wpa_s,
7642 enum wpa_vendor_elem_frame frame)
7643 {
7644 switch (frame) {
7645 #ifdef CONFIG_P2P
7646 case VENDOR_ELEM_PROBE_REQ_P2P:
7647 case VENDOR_ELEM_PROBE_RESP_P2P:
7648 case VENDOR_ELEM_PROBE_RESP_P2P_GO:
7649 case VENDOR_ELEM_BEACON_P2P_GO:
7650 case VENDOR_ELEM_P2P_PD_REQ:
7651 case VENDOR_ELEM_P2P_PD_RESP:
7652 case VENDOR_ELEM_P2P_GO_NEG_REQ:
7653 case VENDOR_ELEM_P2P_GO_NEG_RESP:
7654 case VENDOR_ELEM_P2P_GO_NEG_CONF:
7655 case VENDOR_ELEM_P2P_INV_REQ:
7656 case VENDOR_ELEM_P2P_INV_RESP:
7657 case VENDOR_ELEM_P2P_ASSOC_REQ:
7658 return wpa_s->parent;
7659 #endif /* CONFIG_P2P */
7660 default:
7661 return wpa_s;
7662 }
7663 }
7664
7665
wpas_ctrl_vendor_elem_add(struct wpa_supplicant * wpa_s,char * cmd)7666 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
7667 {
7668 char *pos = cmd;
7669 int frame;
7670 size_t len;
7671 struct wpabuf *buf;
7672 struct ieee802_11_elems elems;
7673
7674 frame = atoi(pos);
7675 if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7676 return -1;
7677 wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7678
7679 pos = os_strchr(pos, ' ');
7680 if (pos == NULL)
7681 return -1;
7682 pos++;
7683
7684 len = os_strlen(pos);
7685 if (len == 0)
7686 return 0;
7687 if (len & 1)
7688 return -1;
7689 len /= 2;
7690
7691 buf = wpabuf_alloc(len);
7692 if (buf == NULL)
7693 return -1;
7694
7695 if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
7696 wpabuf_free(buf);
7697 return -1;
7698 }
7699
7700 if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
7701 ParseFailed) {
7702 wpabuf_free(buf);
7703 return -1;
7704 }
7705
7706 if (wpa_s->vendor_elem[frame] == NULL) {
7707 wpa_s->vendor_elem[frame] = buf;
7708 wpas_ctrl_vendor_elem_update(wpa_s);
7709 return 0;
7710 }
7711
7712 if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
7713 wpabuf_free(buf);
7714 return -1;
7715 }
7716
7717 wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
7718 wpabuf_free(buf);
7719 wpas_ctrl_vendor_elem_update(wpa_s);
7720
7721 return 0;
7722 }
7723
7724
wpas_ctrl_vendor_elem_get(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)7725 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
7726 char *buf, size_t buflen)
7727 {
7728 int frame = atoi(cmd);
7729
7730 if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7731 return -1;
7732 wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7733
7734 if (wpa_s->vendor_elem[frame] == NULL)
7735 return 0;
7736
7737 return wpa_snprintf_hex(buf, buflen,
7738 wpabuf_head_u8(wpa_s->vendor_elem[frame]),
7739 wpabuf_len(wpa_s->vendor_elem[frame]));
7740 }
7741
7742
wpas_ctrl_vendor_elem_remove(struct wpa_supplicant * wpa_s,char * cmd)7743 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
7744 {
7745 char *pos = cmd;
7746 int frame;
7747 size_t len;
7748 u8 *buf;
7749 struct ieee802_11_elems elems;
7750 u8 *ie, *end;
7751
7752 frame = atoi(pos);
7753 if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7754 return -1;
7755 wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7756
7757 pos = os_strchr(pos, ' ');
7758 if (pos == NULL)
7759 return -1;
7760 pos++;
7761
7762 if (*pos == '*') {
7763 wpabuf_free(wpa_s->vendor_elem[frame]);
7764 wpa_s->vendor_elem[frame] = NULL;
7765 wpas_ctrl_vendor_elem_update(wpa_s);
7766 return 0;
7767 }
7768
7769 if (wpa_s->vendor_elem[frame] == NULL)
7770 return -1;
7771
7772 len = os_strlen(pos);
7773 if (len == 0)
7774 return 0;
7775 if (len & 1)
7776 return -1;
7777 len /= 2;
7778
7779 buf = os_malloc(len);
7780 if (buf == NULL)
7781 return -1;
7782
7783 if (hexstr2bin(pos, buf, len) < 0) {
7784 os_free(buf);
7785 return -1;
7786 }
7787
7788 if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
7789 os_free(buf);
7790 return -1;
7791 }
7792
7793 ie = wpabuf_mhead_u8(wpa_s->vendor_elem[frame]);
7794 end = ie + wpabuf_len(wpa_s->vendor_elem[frame]);
7795
7796 for (; ie + 1 < end; ie += 2 + ie[1]) {
7797 if (ie + len > end)
7798 break;
7799 if (os_memcmp(ie, buf, len) != 0)
7800 continue;
7801
7802 if (wpabuf_len(wpa_s->vendor_elem[frame]) == len) {
7803 wpabuf_free(wpa_s->vendor_elem[frame]);
7804 wpa_s->vendor_elem[frame] = NULL;
7805 } else {
7806 os_memmove(ie, ie + len,
7807 end - (ie + len));
7808 wpa_s->vendor_elem[frame]->used -= len;
7809 }
7810 os_free(buf);
7811 wpas_ctrl_vendor_elem_update(wpa_s);
7812 return 0;
7813 }
7814
7815 os_free(buf);
7816
7817 return -1;
7818 }
7819
7820
wpas_ctrl_neighbor_rep_cb(void * ctx,struct wpabuf * neighbor_rep)7821 static void wpas_ctrl_neighbor_rep_cb(void *ctx, struct wpabuf *neighbor_rep)
7822 {
7823 struct wpa_supplicant *wpa_s = ctx;
7824
7825 if (neighbor_rep) {
7826 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_RXED
7827 "length=%u",
7828 (unsigned int) wpabuf_len(neighbor_rep));
7829 wpabuf_free(neighbor_rep);
7830 } else {
7831 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_FAILED);
7832 }
7833 }
7834
7835
wpas_ctrl_iface_send_neigbor_rep(struct wpa_supplicant * wpa_s,char * cmd)7836 static int wpas_ctrl_iface_send_neigbor_rep(struct wpa_supplicant *wpa_s,
7837 char *cmd)
7838 {
7839 struct wpa_ssid ssid;
7840 struct wpa_ssid *ssid_p = NULL;
7841 int ret = 0;
7842
7843 if (os_strncmp(cmd, " ssid=", 6) == 0) {
7844 ssid.ssid_len = os_strlen(cmd + 6);
7845 if (ssid.ssid_len > SSID_MAX_LEN)
7846 return -1;
7847 ssid.ssid = (u8 *) (cmd + 6);
7848 ssid_p = &ssid;
7849 }
7850
7851 ret = wpas_rrm_send_neighbor_rep_request(wpa_s, ssid_p,
7852 wpas_ctrl_neighbor_rep_cb,
7853 wpa_s);
7854
7855 return ret;
7856 }
7857
7858
wpas_ctrl_iface_erp_flush(struct wpa_supplicant * wpa_s)7859 static int wpas_ctrl_iface_erp_flush(struct wpa_supplicant *wpa_s)
7860 {
7861 eapol_sm_erp_flush(wpa_s->eapol);
7862 return 0;
7863 }
7864
7865
wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant * wpa_s,char * cmd)7866 static int wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant *wpa_s,
7867 char *cmd)
7868 {
7869 char *token, *context = NULL;
7870 unsigned int enable = ~0, type = 0;
7871 u8 _addr[ETH_ALEN], _mask[ETH_ALEN];
7872 u8 *addr = NULL, *mask = NULL;
7873
7874 while ((token = str_token(cmd, " ", &context))) {
7875 if (os_strcasecmp(token, "scan") == 0) {
7876 type |= MAC_ADDR_RAND_SCAN;
7877 } else if (os_strcasecmp(token, "sched") == 0) {
7878 type |= MAC_ADDR_RAND_SCHED_SCAN;
7879 } else if (os_strcasecmp(token, "pno") == 0) {
7880 type |= MAC_ADDR_RAND_PNO;
7881 } else if (os_strcasecmp(token, "all") == 0) {
7882 type = wpa_s->mac_addr_rand_supported;
7883 } else if (os_strncasecmp(token, "enable=", 7) == 0) {
7884 enable = atoi(token + 7);
7885 } else if (os_strncasecmp(token, "addr=", 5) == 0) {
7886 addr = _addr;
7887 if (hwaddr_aton(token + 5, addr)) {
7888 wpa_printf(MSG_INFO,
7889 "CTRL: Invalid MAC address: %s",
7890 token);
7891 return -1;
7892 }
7893 } else if (os_strncasecmp(token, "mask=", 5) == 0) {
7894 mask = _mask;
7895 if (hwaddr_aton(token + 5, mask)) {
7896 wpa_printf(MSG_INFO,
7897 "CTRL: Invalid MAC address mask: %s",
7898 token);
7899 return -1;
7900 }
7901 } else {
7902 wpa_printf(MSG_INFO,
7903 "CTRL: Invalid MAC_RAND_SCAN parameter: %s",
7904 token);
7905 return -1;
7906 }
7907 }
7908
7909 if (!type) {
7910 wpa_printf(MSG_INFO, "CTRL: MAC_RAND_SCAN no type specified");
7911 return -1;
7912 }
7913
7914 if ((wpa_s->mac_addr_rand_supported & type) != type) {
7915 wpa_printf(MSG_INFO,
7916 "CTRL: MAC_RAND_SCAN types=%u != supported=%u",
7917 type, wpa_s->mac_addr_rand_supported);
7918 return -1;
7919 }
7920
7921 if (enable > 1) {
7922 wpa_printf(MSG_INFO,
7923 "CTRL: MAC_RAND_SCAN enable=<0/1> not specified");
7924 return -1;
7925 }
7926
7927 if (!enable) {
7928 wpas_mac_addr_rand_scan_clear(wpa_s, type);
7929 if (wpa_s->pno) {
7930 if (type & MAC_ADDR_RAND_PNO) {
7931 wpas_stop_pno(wpa_s);
7932 wpas_start_pno(wpa_s);
7933 }
7934 } else if (wpa_s->sched_scanning &&
7935 (type & MAC_ADDR_RAND_SCHED_SCAN)) {
7936 /* simulate timeout to restart the sched scan */
7937 wpa_s->sched_scan_timed_out = 1;
7938 wpa_s->prev_sched_ssid = NULL;
7939 wpa_supplicant_cancel_sched_scan(wpa_s);
7940 }
7941 return 0;
7942 }
7943
7944 if ((addr && !mask) || (!addr && mask)) {
7945 wpa_printf(MSG_INFO,
7946 "CTRL: MAC_RAND_SCAN invalid addr/mask combination");
7947 return -1;
7948 }
7949
7950 if (addr && mask && (!(mask[0] & 0x01) || (addr[0] & 0x01))) {
7951 wpa_printf(MSG_INFO,
7952 "CTRL: MAC_RAND_SCAN cannot allow multicast address");
7953 return -1;
7954 }
7955
7956 if (type & MAC_ADDR_RAND_SCAN) {
7957 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCAN,
7958 addr, mask);
7959 }
7960
7961 if (type & MAC_ADDR_RAND_SCHED_SCAN) {
7962 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCHED_SCAN,
7963 addr, mask);
7964
7965 if (wpa_s->sched_scanning && !wpa_s->pno) {
7966 /* simulate timeout to restart the sched scan */
7967 wpa_s->sched_scan_timed_out = 1;
7968 wpa_s->prev_sched_ssid = NULL;
7969 wpa_supplicant_cancel_sched_scan(wpa_s);
7970 }
7971 }
7972
7973 if (type & MAC_ADDR_RAND_PNO) {
7974 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_PNO,
7975 addr, mask);
7976 if (wpa_s->pno) {
7977 wpas_stop_pno(wpa_s);
7978 wpas_start_pno(wpa_s);
7979 }
7980 }
7981
7982 return 0;
7983 }
7984
7985
wpa_supplicant_ctrl_iface_process(struct wpa_supplicant * wpa_s,char * buf,size_t * resp_len)7986 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
7987 char *buf, size_t *resp_len)
7988 {
7989 char *reply;
7990 const int reply_size = 4096;
7991 int reply_len;
7992
7993 if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
7994 os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
7995 if (wpa_debug_show_keys)
7996 wpa_dbg(wpa_s, MSG_DEBUG,
7997 "Control interface command '%s'", buf);
7998 else
7999 wpa_dbg(wpa_s, MSG_DEBUG,
8000 "Control interface command '%s [REMOVED]'",
8001 os_strncmp(buf, WPA_CTRL_RSP,
8002 os_strlen(WPA_CTRL_RSP)) == 0 ?
8003 WPA_CTRL_RSP : "SET_NETWORK");
8004 } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
8005 os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
8006 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
8007 (const u8 *) buf, os_strlen(buf));
8008 } else {
8009 int level = MSG_DEBUG;
8010 if (os_strcmp(buf, "PING") == 0)
8011 level = MSG_EXCESSIVE;
8012 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
8013 }
8014
8015 reply = os_malloc(reply_size);
8016 if (reply == NULL) {
8017 *resp_len = 1;
8018 return NULL;
8019 }
8020
8021 os_memcpy(reply, "OK\n", 3);
8022 reply_len = 3;
8023
8024 if (os_strcmp(buf, "PING") == 0) {
8025 os_memcpy(reply, "PONG\n", 5);
8026 reply_len = 5;
8027 } else if (os_strcmp(buf, "IFNAME") == 0) {
8028 reply_len = os_strlen(wpa_s->ifname);
8029 os_memcpy(reply, wpa_s->ifname, reply_len);
8030 } else if (os_strncmp(buf, "RELOG", 5) == 0) {
8031 if (wpa_debug_reopen_file() < 0)
8032 reply_len = -1;
8033 } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
8034 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
8035 } else if (os_strcmp(buf, "MIB") == 0) {
8036 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
8037 if (reply_len >= 0) {
8038 reply_len += eapol_sm_get_mib(wpa_s->eapol,
8039 reply + reply_len,
8040 reply_size - reply_len);
8041 }
8042 } else if (os_strncmp(buf, "STATUS", 6) == 0) {
8043 reply_len = wpa_supplicant_ctrl_iface_status(
8044 wpa_s, buf + 6, reply, reply_size);
8045 } else if (os_strcmp(buf, "PMKSA") == 0) {
8046 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
8047 reply_size);
8048 } else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
8049 wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
8050 } else if (os_strncmp(buf, "SET ", 4) == 0) {
8051 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
8052 reply_len = -1;
8053 } else if (os_strncmp(buf, "DUMP", 4) == 0) {
8054 reply_len = wpa_config_dump_values(wpa_s->conf,
8055 reply, reply_size);
8056 } else if (os_strncmp(buf, "GET ", 4) == 0) {
8057 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
8058 reply, reply_size);
8059 } else if (os_strcmp(buf, "LOGON") == 0) {
8060 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
8061 } else if (os_strcmp(buf, "LOGOFF") == 0) {
8062 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
8063 } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
8064 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8065 reply_len = -1;
8066 else
8067 wpas_request_connection(wpa_s);
8068 } else if (os_strcmp(buf, "REATTACH") == 0) {
8069 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
8070 !wpa_s->current_ssid)
8071 reply_len = -1;
8072 else {
8073 wpa_s->reattach = 1;
8074 wpas_request_connection(wpa_s);
8075 }
8076 } else if (os_strcmp(buf, "RECONNECT") == 0) {
8077 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8078 reply_len = -1;
8079 else if (wpa_s->disconnected)
8080 wpas_request_connection(wpa_s);
8081 #ifdef IEEE8021X_EAPOL
8082 } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
8083 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
8084 reply_len = -1;
8085 #endif /* IEEE8021X_EAPOL */
8086 #ifdef CONFIG_PEERKEY
8087 } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
8088 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
8089 reply_len = -1;
8090 #endif /* CONFIG_PEERKEY */
8091 #ifdef CONFIG_IEEE80211R
8092 } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
8093 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
8094 reply_len = -1;
8095 #endif /* CONFIG_IEEE80211R */
8096 #ifdef CONFIG_WPS
8097 } else if (os_strcmp(buf, "WPS_PBC") == 0) {
8098 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
8099 if (res == -2) {
8100 os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8101 reply_len = 17;
8102 } else if (res)
8103 reply_len = -1;
8104 } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
8105 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
8106 if (res == -2) {
8107 os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8108 reply_len = 17;
8109 } else if (res)
8110 reply_len = -1;
8111 } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
8112 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
8113 reply,
8114 reply_size);
8115 } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
8116 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
8117 wpa_s, buf + 14, reply, reply_size);
8118 } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
8119 if (wpas_wps_cancel(wpa_s))
8120 reply_len = -1;
8121 #ifdef CONFIG_WPS_NFC
8122 } else if (os_strcmp(buf, "WPS_NFC") == 0) {
8123 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
8124 reply_len = -1;
8125 } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
8126 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
8127 reply_len = -1;
8128 } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
8129 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
8130 wpa_s, buf + 21, reply, reply_size);
8131 } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
8132 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
8133 wpa_s, buf + 14, reply, reply_size);
8134 } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
8135 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
8136 buf + 17))
8137 reply_len = -1;
8138 } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
8139 reply_len = wpas_ctrl_nfc_get_handover_req(
8140 wpa_s, buf + 21, reply, reply_size);
8141 } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
8142 reply_len = wpas_ctrl_nfc_get_handover_sel(
8143 wpa_s, buf + 21, reply, reply_size);
8144 } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
8145 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
8146 reply_len = -1;
8147 #endif /* CONFIG_WPS_NFC */
8148 } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
8149 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
8150 reply_len = -1;
8151 #ifdef CONFIG_AP
8152 } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
8153 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
8154 wpa_s, buf + 11, reply, reply_size);
8155 #endif /* CONFIG_AP */
8156 #ifdef CONFIG_WPS_ER
8157 } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
8158 if (wpas_wps_er_start(wpa_s, NULL))
8159 reply_len = -1;
8160 } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
8161 if (wpas_wps_er_start(wpa_s, buf + 13))
8162 reply_len = -1;
8163 } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
8164 wpas_wps_er_stop(wpa_s);
8165 } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
8166 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
8167 reply_len = -1;
8168 } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
8169 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
8170 if (ret == -2) {
8171 os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8172 reply_len = 17;
8173 } else if (ret == -3) {
8174 os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
8175 reply_len = 18;
8176 } else if (ret == -4) {
8177 os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
8178 reply_len = 20;
8179 } else if (ret)
8180 reply_len = -1;
8181 } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
8182 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
8183 reply_len = -1;
8184 } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
8185 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
8186 buf + 18))
8187 reply_len = -1;
8188 } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
8189 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
8190 reply_len = -1;
8191 #ifdef CONFIG_WPS_NFC
8192 } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
8193 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
8194 wpa_s, buf + 24, reply, reply_size);
8195 #endif /* CONFIG_WPS_NFC */
8196 #endif /* CONFIG_WPS_ER */
8197 #endif /* CONFIG_WPS */
8198 #ifdef CONFIG_IBSS_RSN
8199 } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
8200 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
8201 reply_len = -1;
8202 #endif /* CONFIG_IBSS_RSN */
8203 #ifdef CONFIG_MESH
8204 } else if (os_strncmp(buf, "MESH_INTERFACE_ADD ", 19) == 0) {
8205 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8206 wpa_s, buf + 19, reply, reply_size);
8207 } else if (os_strcmp(buf, "MESH_INTERFACE_ADD") == 0) {
8208 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8209 wpa_s, "", reply, reply_size);
8210 } else if (os_strncmp(buf, "MESH_GROUP_ADD ", 15) == 0) {
8211 if (wpa_supplicant_ctrl_iface_mesh_group_add(wpa_s, buf + 15))
8212 reply_len = -1;
8213 } else if (os_strncmp(buf, "MESH_GROUP_REMOVE ", 18) == 0) {
8214 if (wpa_supplicant_ctrl_iface_mesh_group_remove(wpa_s,
8215 buf + 18))
8216 reply_len = -1;
8217 #endif /* CONFIG_MESH */
8218 #ifdef CONFIG_P2P
8219 } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
8220 if (p2p_ctrl_find(wpa_s, buf + 8))
8221 reply_len = -1;
8222 } else if (os_strcmp(buf, "P2P_FIND") == 0) {
8223 if (p2p_ctrl_find(wpa_s, ""))
8224 reply_len = -1;
8225 } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
8226 wpas_p2p_stop_find(wpa_s);
8227 } else if (os_strncmp(buf, "P2P_ASP_PROVISION ", 18) == 0) {
8228 if (p2p_ctrl_asp_provision(wpa_s, buf + 18))
8229 reply_len = -1;
8230 } else if (os_strncmp(buf, "P2P_ASP_PROVISION_RESP ", 23) == 0) {
8231 if (p2p_ctrl_asp_provision_resp(wpa_s, buf + 23))
8232 reply_len = -1;
8233 } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
8234 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
8235 reply_size);
8236 } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
8237 if (p2p_ctrl_listen(wpa_s, buf + 11))
8238 reply_len = -1;
8239 } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
8240 if (p2p_ctrl_listen(wpa_s, ""))
8241 reply_len = -1;
8242 } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
8243 if (wpas_p2p_group_remove(wpa_s, buf + 17))
8244 reply_len = -1;
8245 } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
8246 if (p2p_ctrl_group_add(wpa_s, ""))
8247 reply_len = -1;
8248 } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
8249 if (p2p_ctrl_group_add(wpa_s, buf + 14))
8250 reply_len = -1;
8251 } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
8252 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
8253 reply_len = -1;
8254 } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
8255 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
8256 } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
8257 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
8258 reply_size);
8259 } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
8260 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
8261 reply_len = -1;
8262 } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
8263 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
8264 reply_len = -1;
8265 } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
8266 wpas_p2p_sd_service_update(wpa_s);
8267 } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
8268 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
8269 reply_len = -1;
8270 } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
8271 wpas_p2p_service_flush(wpa_s);
8272 } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
8273 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
8274 reply_len = -1;
8275 } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
8276 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
8277 reply_len = -1;
8278 } else if (os_strncmp(buf, "P2P_SERVICE_REP ", 16) == 0) {
8279 if (p2p_ctrl_service_replace(wpa_s, buf + 16) < 0)
8280 reply_len = -1;
8281 } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
8282 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
8283 reply_len = -1;
8284 } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
8285 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
8286 reply_len = -1;
8287 } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
8288 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
8289 reply_size);
8290 } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
8291 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
8292 reply_len = -1;
8293 } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
8294 p2p_ctrl_flush(wpa_s);
8295 } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
8296 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
8297 reply_len = -1;
8298 } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
8299 if (wpas_p2p_cancel(wpa_s))
8300 reply_len = -1;
8301 } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
8302 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
8303 reply_len = -1;
8304 } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
8305 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
8306 reply_len = -1;
8307 } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
8308 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
8309 reply_len = -1;
8310 } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
8311 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
8312 reply_len = -1;
8313 } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
8314 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
8315 reply_len = -1;
8316 #endif /* CONFIG_P2P */
8317 #ifdef CONFIG_WIFI_DISPLAY
8318 } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
8319 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
8320 reply_len = -1;
8321 } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
8322 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
8323 reply, reply_size);
8324 #endif /* CONFIG_WIFI_DISPLAY */
8325 #ifdef CONFIG_INTERWORKING
8326 } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
8327 if (interworking_fetch_anqp(wpa_s) < 0)
8328 reply_len = -1;
8329 } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
8330 interworking_stop_fetch_anqp(wpa_s);
8331 } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
8332 if (ctrl_interworking_select(wpa_s, NULL) < 0)
8333 reply_len = -1;
8334 } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
8335 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
8336 reply_len = -1;
8337 } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
8338 if (ctrl_interworking_connect(wpa_s, buf + 21, 0) < 0)
8339 reply_len = -1;
8340 } else if (os_strncmp(buf, "INTERWORKING_ADD_NETWORK ", 25) == 0) {
8341 int id;
8342
8343 id = ctrl_interworking_connect(wpa_s, buf + 25, 1);
8344 if (id < 0)
8345 reply_len = -1;
8346 else {
8347 reply_len = os_snprintf(reply, reply_size, "%d\n", id);
8348 if (os_snprintf_error(reply_size, reply_len))
8349 reply_len = -1;
8350 }
8351 } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
8352 if (get_anqp(wpa_s, buf + 9) < 0)
8353 reply_len = -1;
8354 } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
8355 if (gas_request(wpa_s, buf + 12) < 0)
8356 reply_len = -1;
8357 } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
8358 reply_len = gas_response_get(wpa_s, buf + 17, reply,
8359 reply_size);
8360 #endif /* CONFIG_INTERWORKING */
8361 #ifdef CONFIG_HS20
8362 } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
8363 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
8364 reply_len = -1;
8365 } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
8366 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
8367 reply_len = -1;
8368 } else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
8369 if (hs20_icon_request(wpa_s, buf + 18) < 0)
8370 reply_len = -1;
8371 } else if (os_strcmp(buf, "FETCH_OSU") == 0) {
8372 if (hs20_fetch_osu(wpa_s) < 0)
8373 reply_len = -1;
8374 } else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
8375 hs20_cancel_fetch_osu(wpa_s);
8376 #endif /* CONFIG_HS20 */
8377 } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
8378 {
8379 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
8380 wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
8381 reply_len = -1;
8382 else {
8383 /*
8384 * Notify response from timeout to allow the control
8385 * interface response to be sent first.
8386 */
8387 eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
8388 wpa_s, NULL);
8389 }
8390 } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
8391 if (wpa_supplicant_reload_configuration(wpa_s))
8392 reply_len = -1;
8393 } else if (os_strcmp(buf, "TERMINATE") == 0) {
8394 wpa_supplicant_terminate_proc(wpa_s->global);
8395 } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
8396 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
8397 reply_len = -1;
8398 } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
8399 reply_len = wpa_supplicant_ctrl_iface_blacklist(
8400 wpa_s, buf + 9, reply, reply_size);
8401 } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
8402 reply_len = wpa_supplicant_ctrl_iface_log_level(
8403 wpa_s, buf + 9, reply, reply_size);
8404 } else if (os_strncmp(buf, "LIST_NETWORKS ", 14) == 0) {
8405 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8406 wpa_s, buf + 14, reply, reply_size);
8407 } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
8408 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8409 wpa_s, NULL, reply, reply_size);
8410 } else if (os_strcmp(buf, "DISCONNECT") == 0) {
8411 #ifdef CONFIG_SME
8412 wpa_s->sme.prev_bssid_set = 0;
8413 #endif /* CONFIG_SME */
8414 wpa_s->reassociate = 0;
8415 wpa_s->disconnected = 1;
8416 wpa_supplicant_cancel_sched_scan(wpa_s);
8417 wpa_supplicant_cancel_scan(wpa_s);
8418 wpa_supplicant_deauthenticate(wpa_s,
8419 WLAN_REASON_DEAUTH_LEAVING);
8420 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
8421 } else if (os_strcmp(buf, "SCAN") == 0) {
8422 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
8423 } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
8424 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
8425 } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
8426 reply_len = wpa_supplicant_ctrl_iface_scan_results(
8427 wpa_s, reply, reply_size);
8428 } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
8429 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
8430 reply_len = -1;
8431 } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
8432 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
8433 reply_len = -1;
8434 } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
8435 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
8436 reply_len = -1;
8437 } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
8438 reply_len = wpa_supplicant_ctrl_iface_add_network(
8439 wpa_s, reply, reply_size);
8440 } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
8441 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
8442 reply_len = -1;
8443 } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8444 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
8445 reply_len = -1;
8446 } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
8447 reply_len = wpa_supplicant_ctrl_iface_get_network(
8448 wpa_s, buf + 12, reply, reply_size);
8449 } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
8450 if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12))
8451 reply_len = -1;
8452 } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
8453 reply_len = wpa_supplicant_ctrl_iface_list_creds(
8454 wpa_s, reply, reply_size);
8455 } else if (os_strcmp(buf, "ADD_CRED") == 0) {
8456 reply_len = wpa_supplicant_ctrl_iface_add_cred(
8457 wpa_s, reply, reply_size);
8458 } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
8459 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
8460 reply_len = -1;
8461 } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
8462 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
8463 reply_len = -1;
8464 } else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
8465 reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
8466 reply,
8467 reply_size);
8468 #ifndef CONFIG_NO_CONFIG_WRITE
8469 } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
8470 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
8471 reply_len = -1;
8472 #endif /* CONFIG_NO_CONFIG_WRITE */
8473 } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
8474 reply_len = wpa_supplicant_ctrl_iface_get_capability(
8475 wpa_s, buf + 15, reply, reply_size);
8476 } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
8477 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
8478 reply_len = -1;
8479 } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
8480 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
8481 reply_len = -1;
8482 } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
8483 reply_len = wpa_supplicant_global_iface_list(
8484 wpa_s->global, reply, reply_size);
8485 } else if (os_strcmp(buf, "INTERFACES") == 0) {
8486 reply_len = wpa_supplicant_global_iface_interfaces(
8487 wpa_s->global, reply, reply_size);
8488 } else if (os_strncmp(buf, "BSS ", 4) == 0) {
8489 reply_len = wpa_supplicant_ctrl_iface_bss(
8490 wpa_s, buf + 4, reply, reply_size);
8491 #ifdef CONFIG_AP
8492 } else if (os_strcmp(buf, "STA-FIRST") == 0) {
8493 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
8494 } else if (os_strncmp(buf, "STA ", 4) == 0) {
8495 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
8496 reply_size);
8497 } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
8498 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
8499 reply_size);
8500 } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
8501 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
8502 reply_len = -1;
8503 } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
8504 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
8505 reply_len = -1;
8506 } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
8507 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
8508 reply_len = -1;
8509 } else if (os_strcmp(buf, "STOP_AP") == 0) {
8510 if (wpas_ap_stop_ap(wpa_s))
8511 reply_len = -1;
8512 #endif /* CONFIG_AP */
8513 } else if (os_strcmp(buf, "SUSPEND") == 0) {
8514 wpas_notify_suspend(wpa_s->global);
8515 } else if (os_strcmp(buf, "RESUME") == 0) {
8516 wpas_notify_resume(wpa_s->global);
8517 #ifdef CONFIG_TESTING_OPTIONS
8518 } else if (os_strcmp(buf, "DROP_SA") == 0) {
8519 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
8520 #endif /* CONFIG_TESTING_OPTIONS */
8521 } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
8522 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
8523 reply_len = -1;
8524 } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
8525 wpa_s->auto_reconnect_disabled = atoi(buf + 16) == 0;
8526 } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
8527 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
8528 reply_len = -1;
8529 } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
8530 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
8531 buf + 17))
8532 reply_len = -1;
8533 } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
8534 wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10);
8535 #ifdef CONFIG_TDLS
8536 } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
8537 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
8538 reply_len = -1;
8539 } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
8540 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
8541 reply_len = -1;
8542 } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
8543 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
8544 reply_len = -1;
8545 } else if (os_strncmp(buf, "TDLS_CHAN_SWITCH ", 17) == 0) {
8546 if (wpa_supplicant_ctrl_iface_tdls_chan_switch(wpa_s,
8547 buf + 17))
8548 reply_len = -1;
8549 } else if (os_strncmp(buf, "TDLS_CANCEL_CHAN_SWITCH ", 24) == 0) {
8550 if (wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(wpa_s,
8551 buf + 24))
8552 reply_len = -1;
8553 } else if (os_strncmp(buf, "TDLS_LINK_STATUS ", 17) == 0) {
8554 reply_len = wpa_supplicant_ctrl_iface_tdls_link_status(
8555 wpa_s, buf + 17, reply, reply_size);
8556 #endif /* CONFIG_TDLS */
8557 } else if (os_strcmp(buf, "WMM_AC_STATUS") == 0) {
8558 reply_len = wpas_wmm_ac_status(wpa_s, reply, reply_size);
8559 } else if (os_strncmp(buf, "WMM_AC_ADDTS ", 13) == 0) {
8560 if (wmm_ac_ctrl_addts(wpa_s, buf + 13))
8561 reply_len = -1;
8562 } else if (os_strncmp(buf, "WMM_AC_DELTS ", 13) == 0) {
8563 if (wmm_ac_ctrl_delts(wpa_s, buf + 13))
8564 reply_len = -1;
8565 } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
8566 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
8567 reply_size);
8568 } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
8569 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
8570 reply_size);
8571 #ifdef CONFIG_AUTOSCAN
8572 } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
8573 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
8574 reply_len = -1;
8575 #endif /* CONFIG_AUTOSCAN */
8576 #ifdef ANDROID
8577 } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
8578 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
8579 reply_size);
8580 #endif /* ANDROID */
8581 } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
8582 reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
8583 reply_size);
8584 } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
8585 pmksa_cache_clear_current(wpa_s->wpa);
8586 eapol_sm_request_reauth(wpa_s->eapol);
8587 #ifdef CONFIG_WNM
8588 } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
8589 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
8590 reply_len = -1;
8591 } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 14) == 0) {
8592 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 14))
8593 reply_len = -1;
8594 #endif /* CONFIG_WNM */
8595 } else if (os_strcmp(buf, "FLUSH") == 0) {
8596 wpa_supplicant_ctrl_iface_flush(wpa_s);
8597 } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
8598 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
8599 reply_size);
8600 #ifdef CONFIG_TESTING_OPTIONS
8601 } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
8602 if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
8603 reply_len = -1;
8604 } else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
8605 wpas_ctrl_iface_mgmt_tx_done(wpa_s);
8606 } else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
8607 if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
8608 reply_len = -1;
8609 } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
8610 if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
8611 reply_len = -1;
8612 } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
8613 if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
8614 reply_len = -1;
8615 } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
8616 if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
8617 reply_len = -1;
8618 } else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
8619 if (wpas_ctrl_iface_data_test_frame(wpa_s, buf + 16) < 0)
8620 reply_len = -1;
8621 } else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) {
8622 if (wpas_ctrl_test_alloc_fail(wpa_s, buf + 16) < 0)
8623 reply_len = -1;
8624 } else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) {
8625 reply_len = wpas_ctrl_get_alloc_fail(wpa_s, reply, reply_size);
8626 } else if (os_strncmp(buf, "EVENT_TEST ", 11) == 0) {
8627 if (wpas_ctrl_event_test(wpa_s, buf + 11) < 0)
8628 reply_len = -1;
8629 #endif /* CONFIG_TESTING_OPTIONS */
8630 } else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
8631 if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
8632 reply_len = -1;
8633 } else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
8634 reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
8635 reply_size);
8636 } else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
8637 if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
8638 reply_len = -1;
8639 } else if (os_strncmp(buf, "NEIGHBOR_REP_REQUEST", 20) == 0) {
8640 if (wpas_ctrl_iface_send_neigbor_rep(wpa_s, buf + 20))
8641 reply_len = -1;
8642 } else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
8643 wpas_ctrl_iface_erp_flush(wpa_s);
8644 } else if (os_strncmp(buf, "MAC_RAND_SCAN ", 14) == 0) {
8645 if (wpas_ctrl_iface_mac_rand_scan(wpa_s, buf + 14))
8646 reply_len = -1;
8647 } else {
8648 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
8649 reply_len = 16;
8650 }
8651
8652 if (reply_len < 0) {
8653 os_memcpy(reply, "FAIL\n", 5);
8654 reply_len = 5;
8655 }
8656
8657 *resp_len = reply_len;
8658 return reply;
8659 }
8660
8661
wpa_supplicant_global_iface_add(struct wpa_global * global,char * cmd)8662 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
8663 char *cmd)
8664 {
8665 struct wpa_interface iface;
8666 char *pos, *extra;
8667 struct wpa_supplicant *wpa_s;
8668 unsigned int create_iface = 0;
8669 u8 mac_addr[ETH_ALEN];
8670
8671 /*
8672 * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
8673 * TAB<bridge_ifname>[TAB<create>]
8674 */
8675 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
8676
8677 os_memset(&iface, 0, sizeof(iface));
8678
8679 do {
8680 iface.ifname = pos = cmd;
8681 pos = os_strchr(pos, '\t');
8682 if (pos)
8683 *pos++ = '\0';
8684 if (iface.ifname[0] == '\0')
8685 return -1;
8686 if (pos == NULL)
8687 break;
8688
8689 iface.confname = pos;
8690 pos = os_strchr(pos, '\t');
8691 if (pos)
8692 *pos++ = '\0';
8693 if (iface.confname[0] == '\0')
8694 iface.confname = NULL;
8695 if (pos == NULL)
8696 break;
8697
8698 iface.driver = pos;
8699 pos = os_strchr(pos, '\t');
8700 if (pos)
8701 *pos++ = '\0';
8702 if (iface.driver[0] == '\0')
8703 iface.driver = NULL;
8704 if (pos == NULL)
8705 break;
8706
8707 iface.ctrl_interface = pos;
8708 pos = os_strchr(pos, '\t');
8709 if (pos)
8710 *pos++ = '\0';
8711 if (iface.ctrl_interface[0] == '\0')
8712 iface.ctrl_interface = NULL;
8713 if (pos == NULL)
8714 break;
8715
8716 iface.driver_param = pos;
8717 pos = os_strchr(pos, '\t');
8718 if (pos)
8719 *pos++ = '\0';
8720 if (iface.driver_param[0] == '\0')
8721 iface.driver_param = NULL;
8722 if (pos == NULL)
8723 break;
8724
8725 iface.bridge_ifname = pos;
8726 pos = os_strchr(pos, '\t');
8727 if (pos)
8728 *pos++ = '\0';
8729 if (iface.bridge_ifname[0] == '\0')
8730 iface.bridge_ifname = NULL;
8731 if (pos == NULL)
8732 break;
8733
8734 extra = pos;
8735 pos = os_strchr(pos, '\t');
8736 if (pos)
8737 *pos++ = '\0';
8738 if (!extra[0])
8739 break;
8740
8741 if (os_strcmp(extra, "create") == 0)
8742 create_iface = 1;
8743 else {
8744 wpa_printf(MSG_DEBUG,
8745 "INTERFACE_ADD unsupported extra parameter: '%s'",
8746 extra);
8747 return -1;
8748 }
8749 } while (0);
8750
8751 if (create_iface) {
8752 wpa_printf(MSG_DEBUG, "CTRL_IFACE creating interface '%s'",
8753 iface.ifname);
8754 if (!global->ifaces)
8755 return -1;
8756 if (wpa_drv_if_add(global->ifaces, WPA_IF_STATION, iface.ifname,
8757 NULL, NULL, NULL, mac_addr, NULL) < 0) {
8758 wpa_printf(MSG_ERROR,
8759 "CTRL_IFACE interface creation failed");
8760 return -1;
8761 }
8762
8763 wpa_printf(MSG_DEBUG,
8764 "CTRL_IFACE interface '%s' created with MAC addr: "
8765 MACSTR, iface.ifname, MAC2STR(mac_addr));
8766 }
8767
8768 if (wpa_supplicant_get_iface(global, iface.ifname))
8769 goto fail;
8770
8771 wpa_s = wpa_supplicant_add_iface(global, &iface, NULL);
8772 if (!wpa_s)
8773 goto fail;
8774 wpa_s->added_vif = create_iface;
8775 return 0;
8776
8777 fail:
8778 if (create_iface)
8779 wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, iface.ifname);
8780 return -1;
8781 }
8782
8783
wpa_supplicant_global_iface_remove(struct wpa_global * global,char * cmd)8784 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
8785 char *cmd)
8786 {
8787 struct wpa_supplicant *wpa_s;
8788 int ret;
8789 unsigned int delete_iface;
8790
8791 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
8792
8793 wpa_s = wpa_supplicant_get_iface(global, cmd);
8794 if (wpa_s == NULL)
8795 return -1;
8796 delete_iface = wpa_s->added_vif;
8797 ret = wpa_supplicant_remove_iface(global, wpa_s, 0);
8798 if (!ret && delete_iface) {
8799 wpa_printf(MSG_DEBUG, "CTRL_IFACE deleting the interface '%s'",
8800 cmd);
8801 ret = wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, cmd);
8802 }
8803 return ret;
8804 }
8805
8806
wpa_free_iface_info(struct wpa_interface_info * iface)8807 static void wpa_free_iface_info(struct wpa_interface_info *iface)
8808 {
8809 struct wpa_interface_info *prev;
8810
8811 while (iface) {
8812 prev = iface;
8813 iface = iface->next;
8814
8815 os_free(prev->ifname);
8816 os_free(prev->desc);
8817 os_free(prev);
8818 }
8819 }
8820
8821
wpa_supplicant_global_iface_list(struct wpa_global * global,char * buf,int len)8822 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
8823 char *buf, int len)
8824 {
8825 int i, res;
8826 struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
8827 char *pos, *end;
8828
8829 for (i = 0; wpa_drivers[i]; i++) {
8830 const struct wpa_driver_ops *drv = wpa_drivers[i];
8831 if (drv->get_interfaces == NULL)
8832 continue;
8833 tmp = drv->get_interfaces(global->drv_priv[i]);
8834 if (tmp == NULL)
8835 continue;
8836
8837 if (last == NULL)
8838 iface = last = tmp;
8839 else
8840 last->next = tmp;
8841 while (last->next)
8842 last = last->next;
8843 }
8844
8845 pos = buf;
8846 end = buf + len;
8847 for (tmp = iface; tmp; tmp = tmp->next) {
8848 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
8849 tmp->drv_name, tmp->ifname,
8850 tmp->desc ? tmp->desc : "");
8851 if (os_snprintf_error(end - pos, res)) {
8852 *pos = '\0';
8853 break;
8854 }
8855 pos += res;
8856 }
8857
8858 wpa_free_iface_info(iface);
8859
8860 return pos - buf;
8861 }
8862
8863
wpa_supplicant_global_iface_interfaces(struct wpa_global * global,char * buf,int len)8864 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
8865 char *buf, int len)
8866 {
8867 int res;
8868 char *pos, *end;
8869 struct wpa_supplicant *wpa_s;
8870
8871 wpa_s = global->ifaces;
8872 pos = buf;
8873 end = buf + len;
8874
8875 while (wpa_s) {
8876 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
8877 if (os_snprintf_error(end - pos, res)) {
8878 *pos = '\0';
8879 break;
8880 }
8881 pos += res;
8882 wpa_s = wpa_s->next;
8883 }
8884 return pos - buf;
8885 }
8886
8887
wpas_global_ctrl_iface_ifname(struct wpa_global * global,const char * ifname,char * cmd,size_t * resp_len)8888 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
8889 const char *ifname,
8890 char *cmd, size_t *resp_len)
8891 {
8892 struct wpa_supplicant *wpa_s;
8893
8894 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
8895 if (os_strcmp(ifname, wpa_s->ifname) == 0)
8896 break;
8897 }
8898
8899 if (wpa_s == NULL) {
8900 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
8901 if (resp)
8902 *resp_len = os_strlen(resp);
8903 else
8904 *resp_len = 1;
8905 return resp;
8906 }
8907
8908 return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
8909 }
8910
8911
wpas_global_ctrl_iface_redir_p2p(struct wpa_global * global,char * buf,size_t * resp_len)8912 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
8913 char *buf, size_t *resp_len)
8914 {
8915 #ifdef CONFIG_P2P
8916 static const char * cmd[] = {
8917 "LIST_NETWORKS",
8918 "P2P_FIND",
8919 "P2P_STOP_FIND",
8920 "P2P_LISTEN",
8921 "P2P_GROUP_ADD",
8922 "P2P_GET_PASSPHRASE",
8923 "P2P_SERVICE_UPDATE",
8924 "P2P_SERVICE_FLUSH",
8925 "P2P_FLUSH",
8926 "P2P_CANCEL",
8927 "P2P_PRESENCE_REQ",
8928 "P2P_EXT_LISTEN",
8929 NULL
8930 };
8931 static const char * prefix[] = {
8932 #ifdef ANDROID
8933 "DRIVER ",
8934 #endif /* ANDROID */
8935 "GET_NETWORK ",
8936 "REMOVE_NETWORK ",
8937 "P2P_FIND ",
8938 "P2P_CONNECT ",
8939 "P2P_LISTEN ",
8940 "P2P_GROUP_REMOVE ",
8941 "P2P_GROUP_ADD ",
8942 "P2P_PROV_DISC ",
8943 "P2P_SERV_DISC_REQ ",
8944 "P2P_SERV_DISC_CANCEL_REQ ",
8945 "P2P_SERV_DISC_RESP ",
8946 "P2P_SERV_DISC_EXTERNAL ",
8947 "P2P_SERVICE_ADD ",
8948 "P2P_SERVICE_DEL ",
8949 "P2P_SERVICE_REP ",
8950 "P2P_REJECT ",
8951 "P2P_INVITE ",
8952 "P2P_PEER ",
8953 "P2P_SET ",
8954 "P2P_UNAUTHORIZE ",
8955 "P2P_PRESENCE_REQ ",
8956 "P2P_EXT_LISTEN ",
8957 "P2P_REMOVE_CLIENT ",
8958 "WPS_NFC_TOKEN ",
8959 "WPS_NFC_TAG_READ ",
8960 "NFC_GET_HANDOVER_SEL ",
8961 "NFC_GET_HANDOVER_REQ ",
8962 "NFC_REPORT_HANDOVER ",
8963 "P2P_ASP_PROVISION ",
8964 "P2P_ASP_PROVISION_RESP ",
8965 NULL
8966 };
8967 int found = 0;
8968 int i;
8969
8970 if (global->p2p_init_wpa_s == NULL)
8971 return NULL;
8972
8973 for (i = 0; !found && cmd[i]; i++) {
8974 if (os_strcmp(buf, cmd[i]) == 0)
8975 found = 1;
8976 }
8977
8978 for (i = 0; !found && prefix[i]; i++) {
8979 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
8980 found = 1;
8981 }
8982
8983 if (found)
8984 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
8985 buf, resp_len);
8986 #endif /* CONFIG_P2P */
8987 return NULL;
8988 }
8989
8990
wpas_global_ctrl_iface_redir_wfd(struct wpa_global * global,char * buf,size_t * resp_len)8991 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
8992 char *buf, size_t *resp_len)
8993 {
8994 #ifdef CONFIG_WIFI_DISPLAY
8995 if (global->p2p_init_wpa_s == NULL)
8996 return NULL;
8997 if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
8998 os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
8999 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
9000 buf, resp_len);
9001 #endif /* CONFIG_WIFI_DISPLAY */
9002 return NULL;
9003 }
9004
9005
wpas_global_ctrl_iface_redir(struct wpa_global * global,char * buf,size_t * resp_len)9006 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
9007 char *buf, size_t *resp_len)
9008 {
9009 char *ret;
9010
9011 ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
9012 if (ret)
9013 return ret;
9014
9015 ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
9016 if (ret)
9017 return ret;
9018
9019 return NULL;
9020 }
9021
9022
wpas_global_ctrl_iface_set(struct wpa_global * global,char * cmd)9023 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
9024 {
9025 char *value;
9026
9027 value = os_strchr(cmd, ' ');
9028 if (value == NULL)
9029 return -1;
9030 *value++ = '\0';
9031
9032 wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
9033
9034 #ifdef CONFIG_WIFI_DISPLAY
9035 if (os_strcasecmp(cmd, "wifi_display") == 0) {
9036 wifi_display_enable(global, !!atoi(value));
9037 return 0;
9038 }
9039 #endif /* CONFIG_WIFI_DISPLAY */
9040
9041 /* Restore cmd to its original value to allow redirection */
9042 value[-1] = ' ';
9043
9044 return -1;
9045 }
9046
9047
9048 #ifndef CONFIG_NO_CONFIG_WRITE
wpas_global_ctrl_iface_save_config(struct wpa_global * global)9049 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
9050 {
9051 int ret = 0, saved = 0;
9052 struct wpa_supplicant *wpa_s;
9053
9054 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9055 if (!wpa_s->conf->update_config) {
9056 wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
9057 continue;
9058 }
9059
9060 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
9061 wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
9062 ret = 1;
9063 } else {
9064 wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
9065 saved++;
9066 }
9067 }
9068
9069 if (!saved && !ret) {
9070 wpa_dbg(wpa_s, MSG_DEBUG,
9071 "CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
9072 ret = 1;
9073 }
9074
9075 return ret;
9076 }
9077 #endif /* CONFIG_NO_CONFIG_WRITE */
9078
9079
wpas_global_ctrl_iface_status(struct wpa_global * global,char * buf,size_t buflen)9080 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
9081 char *buf, size_t buflen)
9082 {
9083 char *pos, *end;
9084 int ret;
9085 struct wpa_supplicant *wpa_s;
9086
9087 pos = buf;
9088 end = buf + buflen;
9089
9090 #ifdef CONFIG_P2P
9091 if (global->p2p && !global->p2p_disabled) {
9092 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
9093 "\n"
9094 "p2p_state=%s\n",
9095 MAC2STR(global->p2p_dev_addr),
9096 p2p_get_state_txt(global->p2p));
9097 if (os_snprintf_error(end - pos, ret))
9098 return pos - buf;
9099 pos += ret;
9100 } else if (global->p2p) {
9101 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
9102 if (os_snprintf_error(end - pos, ret))
9103 return pos - buf;
9104 pos += ret;
9105 }
9106 #endif /* CONFIG_P2P */
9107
9108 #ifdef CONFIG_WIFI_DISPLAY
9109 ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
9110 !!global->wifi_display);
9111 if (os_snprintf_error(end - pos, ret))
9112 return pos - buf;
9113 pos += ret;
9114 #endif /* CONFIG_WIFI_DISPLAY */
9115
9116 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9117 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
9118 "address=" MACSTR "\n",
9119 wpa_s->ifname, MAC2STR(wpa_s->own_addr));
9120 if (os_snprintf_error(end - pos, ret))
9121 return pos - buf;
9122 pos += ret;
9123 }
9124
9125 return pos - buf;
9126 }
9127
9128
wpa_supplicant_global_ctrl_iface_process(struct wpa_global * global,char * buf,size_t * resp_len)9129 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
9130 char *buf, size_t *resp_len)
9131 {
9132 char *reply;
9133 const int reply_size = 2048;
9134 int reply_len;
9135 int level = MSG_DEBUG;
9136
9137 if (os_strncmp(buf, "IFNAME=", 7) == 0) {
9138 char *pos = os_strchr(buf + 7, ' ');
9139 if (pos) {
9140 *pos++ = '\0';
9141 return wpas_global_ctrl_iface_ifname(global,
9142 buf + 7, pos,
9143 resp_len);
9144 }
9145 }
9146
9147 reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
9148 if (reply)
9149 return reply;
9150
9151 if (os_strcmp(buf, "PING") == 0)
9152 level = MSG_EXCESSIVE;
9153 wpa_hexdump_ascii(level, "RX global ctrl_iface",
9154 (const u8 *) buf, os_strlen(buf));
9155
9156 reply = os_malloc(reply_size);
9157 if (reply == NULL) {
9158 *resp_len = 1;
9159 return NULL;
9160 }
9161
9162 os_memcpy(reply, "OK\n", 3);
9163 reply_len = 3;
9164
9165 if (os_strcmp(buf, "PING") == 0) {
9166 os_memcpy(reply, "PONG\n", 5);
9167 reply_len = 5;
9168 } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
9169 if (wpa_supplicant_global_iface_add(global, buf + 14))
9170 reply_len = -1;
9171 } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
9172 if (wpa_supplicant_global_iface_remove(global, buf + 17))
9173 reply_len = -1;
9174 } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
9175 reply_len = wpa_supplicant_global_iface_list(
9176 global, reply, reply_size);
9177 } else if (os_strcmp(buf, "INTERFACES") == 0) {
9178 reply_len = wpa_supplicant_global_iface_interfaces(
9179 global, reply, reply_size);
9180 } else if (os_strcmp(buf, "TERMINATE") == 0) {
9181 wpa_supplicant_terminate_proc(global);
9182 } else if (os_strcmp(buf, "SUSPEND") == 0) {
9183 wpas_notify_suspend(global);
9184 } else if (os_strcmp(buf, "RESUME") == 0) {
9185 wpas_notify_resume(global);
9186 } else if (os_strncmp(buf, "SET ", 4) == 0) {
9187 if (wpas_global_ctrl_iface_set(global, buf + 4)) {
9188 #ifdef CONFIG_P2P
9189 if (global->p2p_init_wpa_s) {
9190 os_free(reply);
9191 /* Check if P2P redirection would work for this
9192 * command. */
9193 return wpa_supplicant_ctrl_iface_process(
9194 global->p2p_init_wpa_s,
9195 buf, resp_len);
9196 }
9197 #endif /* CONFIG_P2P */
9198 reply_len = -1;
9199 }
9200 #ifndef CONFIG_NO_CONFIG_WRITE
9201 } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
9202 if (wpas_global_ctrl_iface_save_config(global))
9203 reply_len = -1;
9204 #endif /* CONFIG_NO_CONFIG_WRITE */
9205 } else if (os_strcmp(buf, "STATUS") == 0) {
9206 reply_len = wpas_global_ctrl_iface_status(global, reply,
9207 reply_size);
9208 #ifdef CONFIG_MODULE_TESTS
9209 } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
9210 int wpas_module_tests(void);
9211 if (wpas_module_tests() < 0)
9212 reply_len = -1;
9213 #endif /* CONFIG_MODULE_TESTS */
9214 } else if (os_strncmp(buf, "RELOG", 5) == 0) {
9215 if (wpa_debug_reopen_file() < 0)
9216 reply_len = -1;
9217 } else {
9218 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
9219 reply_len = 16;
9220 }
9221
9222 if (reply_len < 0) {
9223 os_memcpy(reply, "FAIL\n", 5);
9224 reply_len = 5;
9225 }
9226
9227 *resp_len = reply_len;
9228 return reply;
9229 }
9230