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Validate WEP key lengths based on driver capabilities
[thirdparty/hostap.git] / wpa_supplicant / ctrl_iface.c
1 /*
2 * WPA Supplicant / Control interface (shared code for all backends)
3 * Copyright (c) 2004-2010, Jouni Malinen <j@w1.fi>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9 #include "utils/includes.h"
10
11 #include "utils/common.h"
12 #include "utils/eloop.h"
13 #include "common/version.h"
14 #include "common/ieee802_11_defs.h"
15 #include "common/wpa_ctrl.h"
16 #include "eap_peer/eap.h"
17 #include "eapol_supp/eapol_supp_sm.h"
18 #include "rsn_supp/wpa.h"
19 #include "rsn_supp/preauth.h"
20 #include "rsn_supp/pmksa_cache.h"
21 #include "l2_packet/l2_packet.h"
22 #include "wps/wps.h"
23 #include "config.h"
24 #include "wpa_supplicant_i.h"
25 #include "driver_i.h"
26 #include "wps_supplicant.h"
27 #include "ibss_rsn.h"
28 #include "ap.h"
29 #include "p2p_supplicant.h"
30 #include "p2p/p2p.h"
31 #include "hs20_supplicant.h"
32 #include "notify.h"
33 #include "bss.h"
34 #include "scan.h"
35 #include "ctrl_iface.h"
36 #include "interworking.h"
37 #include "blacklist.h"
38 #include "wpas_glue.h"
39
40 extern struct wpa_driver_ops *wpa_drivers[];
41
42 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
43 char *buf, int len);
44 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
45 char *buf, int len);
46
47
48 static int pno_start(struct wpa_supplicant *wpa_s)
49 {
50 int ret;
51 size_t i, num_ssid;
52 struct wpa_ssid *ssid;
53 struct wpa_driver_scan_params params;
54
55 if (wpa_s->pno)
56 return 0;
57
58 os_memset(&params, 0, sizeof(params));
59
60 num_ssid = 0;
61 ssid = wpa_s->conf->ssid;
62 while (ssid) {
63 if (!wpas_network_disabled(wpa_s, ssid))
64 num_ssid++;
65 ssid = ssid->next;
66 }
67 if (num_ssid > WPAS_MAX_SCAN_SSIDS) {
68 wpa_printf(MSG_DEBUG, "PNO: Use only the first %u SSIDs from "
69 "%u", WPAS_MAX_SCAN_SSIDS, (unsigned int) num_ssid);
70 num_ssid = WPAS_MAX_SCAN_SSIDS;
71 }
72
73 if (num_ssid == 0) {
74 wpa_printf(MSG_DEBUG, "PNO: No configured SSIDs");
75 return -1;
76 }
77
78 params.filter_ssids = os_malloc(sizeof(struct wpa_driver_scan_filter) *
79 num_ssid);
80 if (params.filter_ssids == NULL)
81 return -1;
82 i = 0;
83 ssid = wpa_s->conf->ssid;
84 while (ssid) {
85 if (!wpas_network_disabled(wpa_s, ssid)) {
86 params.ssids[i].ssid = ssid->ssid;
87 params.ssids[i].ssid_len = ssid->ssid_len;
88 params.num_ssids++;
89 os_memcpy(params.filter_ssids[i].ssid, ssid->ssid,
90 ssid->ssid_len);
91 params.filter_ssids[i].ssid_len = ssid->ssid_len;
92 params.num_filter_ssids++;
93 i++;
94 if (i == num_ssid)
95 break;
96 }
97 ssid = ssid->next;
98 }
99
100 ret = wpa_drv_sched_scan(wpa_s, &params, 10 * 1000);
101 os_free(params.filter_ssids);
102 if (ret == 0)
103 wpa_s->pno = 1;
104 return ret;
105 }
106
107
108 static int pno_stop(struct wpa_supplicant *wpa_s)
109 {
110 if (wpa_s->pno) {
111 wpa_s->pno = 0;
112 return wpa_drv_stop_sched_scan(wpa_s);
113 }
114 return 0;
115 }
116
117
118 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
119 {
120 char *pos;
121 u8 addr[ETH_ALEN], *filter = NULL, *n;
122 size_t count = 0;
123
124 pos = val;
125 while (pos) {
126 if (*pos == '\0')
127 break;
128 if (hwaddr_aton(pos, addr)) {
129 os_free(filter);
130 return -1;
131 }
132 n = os_realloc(filter, (count + 1) * ETH_ALEN);
133 if (n == NULL) {
134 os_free(filter);
135 return -1;
136 }
137 filter = n;
138 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
139 count++;
140
141 pos = os_strchr(pos, ' ');
142 if (pos)
143 pos++;
144 }
145
146 wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
147 os_free(wpa_s->bssid_filter);
148 wpa_s->bssid_filter = filter;
149 wpa_s->bssid_filter_count = count;
150
151 return 0;
152 }
153
154
155 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
156 char *cmd)
157 {
158 char *value;
159 int ret = 0;
160
161 value = os_strchr(cmd, ' ');
162 if (value == NULL)
163 return -1;
164 *value++ = '\0';
165
166 wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
167 if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
168 eapol_sm_configure(wpa_s->eapol,
169 atoi(value), -1, -1, -1);
170 } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
171 eapol_sm_configure(wpa_s->eapol,
172 -1, atoi(value), -1, -1);
173 } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
174 eapol_sm_configure(wpa_s->eapol,
175 -1, -1, atoi(value), -1);
176 } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
177 eapol_sm_configure(wpa_s->eapol,
178 -1, -1, -1, atoi(value));
179 } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
180 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
181 atoi(value)))
182 ret = -1;
183 } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
184 0) {
185 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
186 atoi(value)))
187 ret = -1;
188 } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
189 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
190 ret = -1;
191 } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
192 wpa_s->wps_fragment_size = atoi(value);
193 #ifdef CONFIG_WPS_TESTING
194 } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
195 long int val;
196 val = strtol(value, NULL, 0);
197 if (val < 0 || val > 0xff) {
198 ret = -1;
199 wpa_printf(MSG_DEBUG, "WPS: Invalid "
200 "wps_version_number %ld", val);
201 } else {
202 wps_version_number = val;
203 wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
204 "version %u.%u",
205 (wps_version_number & 0xf0) >> 4,
206 wps_version_number & 0x0f);
207 }
208 } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
209 wps_testing_dummy_cred = atoi(value);
210 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
211 wps_testing_dummy_cred);
212 #endif /* CONFIG_WPS_TESTING */
213 } else if (os_strcasecmp(cmd, "ampdu") == 0) {
214 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
215 ret = -1;
216 #ifdef CONFIG_TDLS_TESTING
217 } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
218 extern unsigned int tdls_testing;
219 tdls_testing = strtol(value, NULL, 0);
220 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
221 #endif /* CONFIG_TDLS_TESTING */
222 #ifdef CONFIG_TDLS
223 } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
224 int disabled = atoi(value);
225 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
226 if (disabled) {
227 if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
228 ret = -1;
229 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
230 ret = -1;
231 wpa_tdls_enable(wpa_s->wpa, !disabled);
232 #endif /* CONFIG_TDLS */
233 } else if (os_strcasecmp(cmd, "pno") == 0) {
234 if (atoi(value))
235 ret = pno_start(wpa_s);
236 else
237 ret = pno_stop(wpa_s);
238 } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
239 int disabled = atoi(value);
240 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
241 ret = -1;
242 else if (disabled)
243 wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
244 } else if (os_strcasecmp(cmd, "uapsd") == 0) {
245 if (os_strcmp(value, "disable") == 0)
246 wpa_s->set_sta_uapsd = 0;
247 else {
248 int be, bk, vi, vo;
249 char *pos;
250 /* format: BE,BK,VI,VO;max SP Length */
251 be = atoi(value);
252 pos = os_strchr(value, ',');
253 if (pos == NULL)
254 return -1;
255 pos++;
256 bk = atoi(pos);
257 pos = os_strchr(pos, ',');
258 if (pos == NULL)
259 return -1;
260 pos++;
261 vi = atoi(pos);
262 pos = os_strchr(pos, ',');
263 if (pos == NULL)
264 return -1;
265 pos++;
266 vo = atoi(pos);
267 /* ignore max SP Length for now */
268
269 wpa_s->set_sta_uapsd = 1;
270 wpa_s->sta_uapsd = 0;
271 if (be)
272 wpa_s->sta_uapsd |= BIT(0);
273 if (bk)
274 wpa_s->sta_uapsd |= BIT(1);
275 if (vi)
276 wpa_s->sta_uapsd |= BIT(2);
277 if (vo)
278 wpa_s->sta_uapsd |= BIT(3);
279 }
280 } else if (os_strcasecmp(cmd, "ps") == 0) {
281 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
282 } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
283 ret = set_bssid_filter(wpa_s, value);
284 } else {
285 value[-1] = '=';
286 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
287 if (ret == 0)
288 wpa_supplicant_update_config(wpa_s);
289 }
290
291 return ret;
292 }
293
294
295 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
296 char *cmd, char *buf, size_t buflen)
297 {
298 int res = -1;
299
300 wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
301
302 if (os_strcmp(cmd, "version") == 0) {
303 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
304 } else if (os_strcasecmp(cmd, "country") == 0) {
305 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
306 res = os_snprintf(buf, buflen, "%c%c",
307 wpa_s->conf->country[0],
308 wpa_s->conf->country[1]);
309 }
310
311 if (res < 0 || (unsigned int) res >= buflen)
312 return -1;
313 return res;
314 }
315
316
317 #ifdef IEEE8021X_EAPOL
318 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
319 char *addr)
320 {
321 u8 bssid[ETH_ALEN];
322 struct wpa_ssid *ssid = wpa_s->current_ssid;
323
324 if (hwaddr_aton(addr, bssid)) {
325 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
326 "'%s'", addr);
327 return -1;
328 }
329
330 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
331 rsn_preauth_deinit(wpa_s->wpa);
332 if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
333 return -1;
334
335 return 0;
336 }
337 #endif /* IEEE8021X_EAPOL */
338
339
340 #ifdef CONFIG_PEERKEY
341 /* MLME-STKSTART.request(peer) */
342 static int wpa_supplicant_ctrl_iface_stkstart(
343 struct wpa_supplicant *wpa_s, char *addr)
344 {
345 u8 peer[ETH_ALEN];
346
347 if (hwaddr_aton(addr, peer)) {
348 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
349 "address '%s'", addr);
350 return -1;
351 }
352
353 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
354 MAC2STR(peer));
355
356 return wpa_sm_stkstart(wpa_s->wpa, peer);
357 }
358 #endif /* CONFIG_PEERKEY */
359
360
361 #ifdef CONFIG_TDLS
362
363 static int wpa_supplicant_ctrl_iface_tdls_discover(
364 struct wpa_supplicant *wpa_s, char *addr)
365 {
366 u8 peer[ETH_ALEN];
367 int ret;
368
369 if (hwaddr_aton(addr, peer)) {
370 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
371 "address '%s'", addr);
372 return -1;
373 }
374
375 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
376 MAC2STR(peer));
377
378 if (wpa_tdls_is_external_setup(wpa_s->wpa))
379 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
380 else
381 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
382
383 return ret;
384 }
385
386
387 static int wpa_supplicant_ctrl_iface_tdls_setup(
388 struct wpa_supplicant *wpa_s, char *addr)
389 {
390 u8 peer[ETH_ALEN];
391 int ret;
392
393 if (hwaddr_aton(addr, peer)) {
394 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
395 "address '%s'", addr);
396 return -1;
397 }
398
399 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
400 MAC2STR(peer));
401
402 ret = wpa_tdls_reneg(wpa_s->wpa, peer);
403 if (ret) {
404 if (wpa_tdls_is_external_setup(wpa_s->wpa))
405 ret = wpa_tdls_start(wpa_s->wpa, peer);
406 else
407 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
408 }
409
410 return ret;
411 }
412
413
414 static int wpa_supplicant_ctrl_iface_tdls_teardown(
415 struct wpa_supplicant *wpa_s, char *addr)
416 {
417 u8 peer[ETH_ALEN];
418
419 if (hwaddr_aton(addr, peer)) {
420 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
421 "address '%s'", addr);
422 return -1;
423 }
424
425 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
426 MAC2STR(peer));
427
428 return wpa_tdls_teardown_link(wpa_s->wpa, peer,
429 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
430 }
431
432 #endif /* CONFIG_TDLS */
433
434
435 #ifdef CONFIG_IEEE80211R
436 static int wpa_supplicant_ctrl_iface_ft_ds(
437 struct wpa_supplicant *wpa_s, char *addr)
438 {
439 u8 target_ap[ETH_ALEN];
440 struct wpa_bss *bss;
441 const u8 *mdie;
442
443 if (hwaddr_aton(addr, target_ap)) {
444 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
445 "address '%s'", addr);
446 return -1;
447 }
448
449 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
450
451 bss = wpa_bss_get_bssid(wpa_s, target_ap);
452 if (bss)
453 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
454 else
455 mdie = NULL;
456
457 return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
458 }
459 #endif /* CONFIG_IEEE80211R */
460
461
462 #ifdef CONFIG_WPS
463 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
464 char *cmd)
465 {
466 u8 bssid[ETH_ALEN], *_bssid = bssid;
467 #ifdef CONFIG_P2P
468 u8 p2p_dev_addr[ETH_ALEN];
469 #endif /* CONFIG_P2P */
470 #ifdef CONFIG_AP
471 u8 *_p2p_dev_addr = NULL;
472 #endif /* CONFIG_AP */
473
474 if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
475 _bssid = NULL;
476 #ifdef CONFIG_P2P
477 } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
478 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
479 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
480 "P2P Device Address '%s'",
481 cmd + 13);
482 return -1;
483 }
484 _p2p_dev_addr = p2p_dev_addr;
485 #endif /* CONFIG_P2P */
486 } else if (hwaddr_aton(cmd, bssid)) {
487 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
488 cmd);
489 return -1;
490 }
491
492 #ifdef CONFIG_AP
493 if (wpa_s->ap_iface)
494 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
495 #endif /* CONFIG_AP */
496
497 return wpas_wps_start_pbc(wpa_s, _bssid, 0);
498 }
499
500
501 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
502 char *cmd, char *buf,
503 size_t buflen)
504 {
505 u8 bssid[ETH_ALEN], *_bssid = bssid;
506 char *pin;
507 int ret;
508
509 pin = os_strchr(cmd, ' ');
510 if (pin)
511 *pin++ = '\0';
512
513 if (os_strcmp(cmd, "any") == 0)
514 _bssid = NULL;
515 else if (os_strcmp(cmd, "get") == 0) {
516 ret = wps_generate_pin();
517 goto done;
518 } else if (hwaddr_aton(cmd, bssid)) {
519 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
520 cmd);
521 return -1;
522 }
523
524 #ifdef CONFIG_AP
525 if (wpa_s->ap_iface)
526 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
527 buf, buflen);
528 #endif /* CONFIG_AP */
529
530 if (pin) {
531 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
532 DEV_PW_DEFAULT);
533 if (ret < 0)
534 return -1;
535 ret = os_snprintf(buf, buflen, "%s", pin);
536 if (ret < 0 || (size_t) ret >= buflen)
537 return -1;
538 return ret;
539 }
540
541 ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
542 if (ret < 0)
543 return -1;
544
545 done:
546 /* Return the generated PIN */
547 ret = os_snprintf(buf, buflen, "%08d", ret);
548 if (ret < 0 || (size_t) ret >= buflen)
549 return -1;
550 return ret;
551 }
552
553
554 static int wpa_supplicant_ctrl_iface_wps_check_pin(
555 struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
556 {
557 char pin[9];
558 size_t len;
559 char *pos;
560 int ret;
561
562 wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
563 (u8 *) cmd, os_strlen(cmd));
564 for (pos = cmd, len = 0; *pos != '\0'; pos++) {
565 if (*pos < '0' || *pos > '9')
566 continue;
567 pin[len++] = *pos;
568 if (len == 9) {
569 wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
570 return -1;
571 }
572 }
573 if (len != 4 && len != 8) {
574 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
575 return -1;
576 }
577 pin[len] = '\0';
578
579 if (len == 8) {
580 unsigned int pin_val;
581 pin_val = atoi(pin);
582 if (!wps_pin_valid(pin_val)) {
583 wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
584 ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
585 if (ret < 0 || (size_t) ret >= buflen)
586 return -1;
587 return ret;
588 }
589 }
590
591 ret = os_snprintf(buf, buflen, "%s", pin);
592 if (ret < 0 || (size_t) ret >= buflen)
593 return -1;
594
595 return ret;
596 }
597
598
599 #ifdef CONFIG_WPS_OOB
600 static int wpa_supplicant_ctrl_iface_wps_oob(struct wpa_supplicant *wpa_s,
601 char *cmd)
602 {
603 char *path, *method, *name;
604
605 path = os_strchr(cmd, ' ');
606 if (path == NULL)
607 return -1;
608 *path++ = '\0';
609
610 method = os_strchr(path, ' ');
611 if (method == NULL)
612 return -1;
613 *method++ = '\0';
614
615 name = os_strchr(method, ' ');
616 if (name != NULL)
617 *name++ = '\0';
618
619 return wpas_wps_start_oob(wpa_s, cmd, path, method, name);
620 }
621 #endif /* CONFIG_WPS_OOB */
622
623
624 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
625 char *cmd)
626 {
627 u8 bssid[ETH_ALEN];
628 char *pin;
629 char *new_ssid;
630 char *new_auth;
631 char *new_encr;
632 char *new_key;
633 struct wps_new_ap_settings ap;
634
635 pin = os_strchr(cmd, ' ');
636 if (pin == NULL)
637 return -1;
638 *pin++ = '\0';
639
640 if (hwaddr_aton(cmd, bssid)) {
641 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
642 cmd);
643 return -1;
644 }
645
646 new_ssid = os_strchr(pin, ' ');
647 if (new_ssid == NULL)
648 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
649 *new_ssid++ = '\0';
650
651 new_auth = os_strchr(new_ssid, ' ');
652 if (new_auth == NULL)
653 return -1;
654 *new_auth++ = '\0';
655
656 new_encr = os_strchr(new_auth, ' ');
657 if (new_encr == NULL)
658 return -1;
659 *new_encr++ = '\0';
660
661 new_key = os_strchr(new_encr, ' ');
662 if (new_key == NULL)
663 return -1;
664 *new_key++ = '\0';
665
666 os_memset(&ap, 0, sizeof(ap));
667 ap.ssid_hex = new_ssid;
668 ap.auth = new_auth;
669 ap.encr = new_encr;
670 ap.key_hex = new_key;
671 return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
672 }
673
674
675 #ifdef CONFIG_AP
676 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
677 char *cmd, char *buf,
678 size_t buflen)
679 {
680 int timeout = 300;
681 char *pos;
682 const char *pin_txt;
683
684 if (!wpa_s->ap_iface)
685 return -1;
686
687 pos = os_strchr(cmd, ' ');
688 if (pos)
689 *pos++ = '\0';
690
691 if (os_strcmp(cmd, "disable") == 0) {
692 wpas_wps_ap_pin_disable(wpa_s);
693 return os_snprintf(buf, buflen, "OK\n");
694 }
695
696 if (os_strcmp(cmd, "random") == 0) {
697 if (pos)
698 timeout = atoi(pos);
699 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
700 if (pin_txt == NULL)
701 return -1;
702 return os_snprintf(buf, buflen, "%s", pin_txt);
703 }
704
705 if (os_strcmp(cmd, "get") == 0) {
706 pin_txt = wpas_wps_ap_pin_get(wpa_s);
707 if (pin_txt == NULL)
708 return -1;
709 return os_snprintf(buf, buflen, "%s", pin_txt);
710 }
711
712 if (os_strcmp(cmd, "set") == 0) {
713 char *pin;
714 if (pos == NULL)
715 return -1;
716 pin = pos;
717 pos = os_strchr(pos, ' ');
718 if (pos) {
719 *pos++ = '\0';
720 timeout = atoi(pos);
721 }
722 if (os_strlen(pin) > buflen)
723 return -1;
724 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
725 return -1;
726 return os_snprintf(buf, buflen, "%s", pin);
727 }
728
729 return -1;
730 }
731 #endif /* CONFIG_AP */
732
733
734 #ifdef CONFIG_WPS_ER
735 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
736 char *cmd)
737 {
738 char *uuid = cmd, *pin, *pos;
739 u8 addr_buf[ETH_ALEN], *addr = NULL;
740 pin = os_strchr(uuid, ' ');
741 if (pin == NULL)
742 return -1;
743 *pin++ = '\0';
744 pos = os_strchr(pin, ' ');
745 if (pos) {
746 *pos++ = '\0';
747 if (hwaddr_aton(pos, addr_buf) == 0)
748 addr = addr_buf;
749 }
750 return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
751 }
752
753
754 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
755 char *cmd)
756 {
757 char *uuid = cmd, *pin;
758 pin = os_strchr(uuid, ' ');
759 if (pin == NULL)
760 return -1;
761 *pin++ = '\0';
762 return wpas_wps_er_learn(wpa_s, uuid, pin);
763 }
764
765
766 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
767 struct wpa_supplicant *wpa_s, char *cmd)
768 {
769 char *uuid = cmd, *id;
770 id = os_strchr(uuid, ' ');
771 if (id == NULL)
772 return -1;
773 *id++ = '\0';
774 return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
775 }
776
777
778 static int wpa_supplicant_ctrl_iface_wps_er_config(
779 struct wpa_supplicant *wpa_s, char *cmd)
780 {
781 char *pin;
782 char *new_ssid;
783 char *new_auth;
784 char *new_encr;
785 char *new_key;
786 struct wps_new_ap_settings ap;
787
788 pin = os_strchr(cmd, ' ');
789 if (pin == NULL)
790 return -1;
791 *pin++ = '\0';
792
793 new_ssid = os_strchr(pin, ' ');
794 if (new_ssid == NULL)
795 return -1;
796 *new_ssid++ = '\0';
797
798 new_auth = os_strchr(new_ssid, ' ');
799 if (new_auth == NULL)
800 return -1;
801 *new_auth++ = '\0';
802
803 new_encr = os_strchr(new_auth, ' ');
804 if (new_encr == NULL)
805 return -1;
806 *new_encr++ = '\0';
807
808 new_key = os_strchr(new_encr, ' ');
809 if (new_key == NULL)
810 return -1;
811 *new_key++ = '\0';
812
813 os_memset(&ap, 0, sizeof(ap));
814 ap.ssid_hex = new_ssid;
815 ap.auth = new_auth;
816 ap.encr = new_encr;
817 ap.key_hex = new_key;
818 return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
819 }
820 #endif /* CONFIG_WPS_ER */
821
822 #endif /* CONFIG_WPS */
823
824
825 #ifdef CONFIG_IBSS_RSN
826 static int wpa_supplicant_ctrl_iface_ibss_rsn(
827 struct wpa_supplicant *wpa_s, char *addr)
828 {
829 u8 peer[ETH_ALEN];
830
831 if (hwaddr_aton(addr, peer)) {
832 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
833 "address '%s'", addr);
834 return -1;
835 }
836
837 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
838 MAC2STR(peer));
839
840 return ibss_rsn_start(wpa_s->ibss_rsn, peer);
841 }
842 #endif /* CONFIG_IBSS_RSN */
843
844
845 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
846 char *rsp)
847 {
848 #ifdef IEEE8021X_EAPOL
849 char *pos, *id_pos;
850 int id;
851 struct wpa_ssid *ssid;
852
853 pos = os_strchr(rsp, '-');
854 if (pos == NULL)
855 return -1;
856 *pos++ = '\0';
857 id_pos = pos;
858 pos = os_strchr(pos, ':');
859 if (pos == NULL)
860 return -1;
861 *pos++ = '\0';
862 id = atoi(id_pos);
863 wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
864 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
865 (u8 *) pos, os_strlen(pos));
866
867 ssid = wpa_config_get_network(wpa_s->conf, id);
868 if (ssid == NULL) {
869 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
870 "to update", id);
871 return -1;
872 }
873
874 return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
875 pos);
876 #else /* IEEE8021X_EAPOL */
877 wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
878 return -1;
879 #endif /* IEEE8021X_EAPOL */
880 }
881
882
883 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
884 const char *params,
885 char *buf, size_t buflen)
886 {
887 char *pos, *end, tmp[30];
888 int res, verbose, wps, ret;
889
890 verbose = os_strcmp(params, "-VERBOSE") == 0;
891 wps = os_strcmp(params, "-WPS") == 0;
892 pos = buf;
893 end = buf + buflen;
894 if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
895 struct wpa_ssid *ssid = wpa_s->current_ssid;
896 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
897 MAC2STR(wpa_s->bssid));
898 if (ret < 0 || ret >= end - pos)
899 return pos - buf;
900 pos += ret;
901 if (ssid) {
902 u8 *_ssid = ssid->ssid;
903 size_t ssid_len = ssid->ssid_len;
904 u8 ssid_buf[MAX_SSID_LEN];
905 if (ssid_len == 0) {
906 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
907 if (_res < 0)
908 ssid_len = 0;
909 else
910 ssid_len = _res;
911 _ssid = ssid_buf;
912 }
913 ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
914 wpa_ssid_txt(_ssid, ssid_len),
915 ssid->id);
916 if (ret < 0 || ret >= end - pos)
917 return pos - buf;
918 pos += ret;
919
920 if (wps && ssid->passphrase &&
921 wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
922 (ssid->mode == WPAS_MODE_AP ||
923 ssid->mode == WPAS_MODE_P2P_GO)) {
924 ret = os_snprintf(pos, end - pos,
925 "passphrase=%s\n",
926 ssid->passphrase);
927 if (ret < 0 || ret >= end - pos)
928 return pos - buf;
929 pos += ret;
930 }
931 if (ssid->id_str) {
932 ret = os_snprintf(pos, end - pos,
933 "id_str=%s\n",
934 ssid->id_str);
935 if (ret < 0 || ret >= end - pos)
936 return pos - buf;
937 pos += ret;
938 }
939
940 switch (ssid->mode) {
941 case WPAS_MODE_INFRA:
942 ret = os_snprintf(pos, end - pos,
943 "mode=station\n");
944 break;
945 case WPAS_MODE_IBSS:
946 ret = os_snprintf(pos, end - pos,
947 "mode=IBSS\n");
948 break;
949 case WPAS_MODE_AP:
950 ret = os_snprintf(pos, end - pos,
951 "mode=AP\n");
952 break;
953 case WPAS_MODE_P2P_GO:
954 ret = os_snprintf(pos, end - pos,
955 "mode=P2P GO\n");
956 break;
957 case WPAS_MODE_P2P_GROUP_FORMATION:
958 ret = os_snprintf(pos, end - pos,
959 "mode=P2P GO - group "
960 "formation\n");
961 break;
962 default:
963 ret = 0;
964 break;
965 }
966 if (ret < 0 || ret >= end - pos)
967 return pos - buf;
968 pos += ret;
969 }
970
971 #ifdef CONFIG_AP
972 if (wpa_s->ap_iface) {
973 pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
974 end - pos,
975 verbose);
976 } else
977 #endif /* CONFIG_AP */
978 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
979 }
980 ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
981 wpa_supplicant_state_txt(wpa_s->wpa_state));
982 if (ret < 0 || ret >= end - pos)
983 return pos - buf;
984 pos += ret;
985
986 if (wpa_s->l2 &&
987 l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
988 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
989 if (ret < 0 || ret >= end - pos)
990 return pos - buf;
991 pos += ret;
992 }
993
994 #ifdef CONFIG_P2P
995 if (wpa_s->global->p2p) {
996 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
997 "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
998 if (ret < 0 || ret >= end - pos)
999 return pos - buf;
1000 pos += ret;
1001 }
1002 #endif /* CONFIG_P2P */
1003
1004 ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1005 MAC2STR(wpa_s->own_addr));
1006 if (ret < 0 || ret >= end - pos)
1007 return pos - buf;
1008 pos += ret;
1009
1010 #ifdef CONFIG_HS20
1011 if (wpa_s->current_bss &&
1012 wpa_bss_get_vendor_ie(wpa_s->current_bss, HS20_IE_VENDOR_TYPE)) {
1013 ret = os_snprintf(pos, end - pos, "hs20=1\n");
1014 if (ret < 0 || ret >= end - pos)
1015 return pos - buf;
1016 pos += ret;
1017 }
1018 #endif /* CONFIG_HS20 */
1019
1020 if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1021 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1022 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1023 verbose);
1024 if (res >= 0)
1025 pos += res;
1026 }
1027
1028 res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1029 if (res >= 0)
1030 pos += res;
1031
1032 return pos - buf;
1033 }
1034
1035
1036 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1037 char *cmd)
1038 {
1039 char *pos;
1040 int id;
1041 struct wpa_ssid *ssid;
1042 u8 bssid[ETH_ALEN];
1043
1044 /* cmd: "<network id> <BSSID>" */
1045 pos = os_strchr(cmd, ' ');
1046 if (pos == NULL)
1047 return -1;
1048 *pos++ = '\0';
1049 id = atoi(cmd);
1050 wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1051 if (hwaddr_aton(pos, bssid)) {
1052 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1053 return -1;
1054 }
1055
1056 ssid = wpa_config_get_network(wpa_s->conf, id);
1057 if (ssid == NULL) {
1058 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1059 "to update", id);
1060 return -1;
1061 }
1062
1063 os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1064 ssid->bssid_set = !is_zero_ether_addr(bssid);
1065
1066 return 0;
1067 }
1068
1069
1070 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1071 char *cmd, char *buf,
1072 size_t buflen)
1073 {
1074 u8 bssid[ETH_ALEN];
1075 struct wpa_blacklist *e;
1076 char *pos, *end;
1077 int ret;
1078
1079 /* cmd: "BLACKLIST [<BSSID>]" */
1080 if (*cmd == '\0') {
1081 pos = buf;
1082 end = buf + buflen;
1083 e = wpa_s->blacklist;
1084 while (e) {
1085 ret = os_snprintf(pos, end - pos, MACSTR "\n",
1086 MAC2STR(e->bssid));
1087 if (ret < 0 || ret >= end - pos)
1088 return pos - buf;
1089 pos += ret;
1090 e = e->next;
1091 }
1092 return pos - buf;
1093 }
1094
1095 cmd++;
1096 if (os_strncmp(cmd, "clear", 5) == 0) {
1097 wpa_blacklist_clear(wpa_s);
1098 os_memcpy(buf, "OK\n", 3);
1099 return 3;
1100 }
1101
1102 wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1103 if (hwaddr_aton(cmd, bssid)) {
1104 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1105 return -1;
1106 }
1107
1108 /*
1109 * Add the BSSID twice, so its count will be 2, causing it to be
1110 * skipped when processing scan results.
1111 */
1112 ret = wpa_blacklist_add(wpa_s, bssid);
1113 if (ret != 0)
1114 return -1;
1115 ret = wpa_blacklist_add(wpa_s, bssid);
1116 if (ret != 0)
1117 return -1;
1118 os_memcpy(buf, "OK\n", 3);
1119 return 3;
1120 }
1121
1122
1123 extern int wpa_debug_level;
1124 extern int wpa_debug_timestamp;
1125
1126 static const char * debug_level_str(int level)
1127 {
1128 switch (level) {
1129 case MSG_EXCESSIVE:
1130 return "EXCESSIVE";
1131 case MSG_MSGDUMP:
1132 return "MSGDUMP";
1133 case MSG_DEBUG:
1134 return "DEBUG";
1135 case MSG_INFO:
1136 return "INFO";
1137 case MSG_WARNING:
1138 return "WARNING";
1139 case MSG_ERROR:
1140 return "ERROR";
1141 default:
1142 return "?";
1143 }
1144 }
1145
1146
1147 static int str_to_debug_level(const char *s)
1148 {
1149 if (os_strcasecmp(s, "EXCESSIVE") == 0)
1150 return MSG_EXCESSIVE;
1151 if (os_strcasecmp(s, "MSGDUMP") == 0)
1152 return MSG_MSGDUMP;
1153 if (os_strcasecmp(s, "DEBUG") == 0)
1154 return MSG_DEBUG;
1155 if (os_strcasecmp(s, "INFO") == 0)
1156 return MSG_INFO;
1157 if (os_strcasecmp(s, "WARNING") == 0)
1158 return MSG_WARNING;
1159 if (os_strcasecmp(s, "ERROR") == 0)
1160 return MSG_ERROR;
1161 return -1;
1162 }
1163
1164
1165 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1166 char *cmd, char *buf,
1167 size_t buflen)
1168 {
1169 char *pos, *end, *stamp;
1170 int ret;
1171
1172 if (cmd == NULL) {
1173 return -1;
1174 }
1175
1176 /* cmd: "LOG_LEVEL [<level>]" */
1177 if (*cmd == '\0') {
1178 pos = buf;
1179 end = buf + buflen;
1180 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1181 "Timestamp: %d\n",
1182 debug_level_str(wpa_debug_level),
1183 wpa_debug_timestamp);
1184 if (ret < 0 || ret >= end - pos)
1185 ret = 0;
1186
1187 return ret;
1188 }
1189
1190 while (*cmd == ' ')
1191 cmd++;
1192
1193 stamp = os_strchr(cmd, ' ');
1194 if (stamp) {
1195 *stamp++ = '\0';
1196 while (*stamp == ' ') {
1197 stamp++;
1198 }
1199 }
1200
1201 if (cmd && os_strlen(cmd)) {
1202 int level = str_to_debug_level(cmd);
1203 if (level < 0)
1204 return -1;
1205 wpa_debug_level = level;
1206 }
1207
1208 if (stamp && os_strlen(stamp))
1209 wpa_debug_timestamp = atoi(stamp);
1210
1211 os_memcpy(buf, "OK\n", 3);
1212 return 3;
1213 }
1214
1215
1216 static int wpa_supplicant_ctrl_iface_list_networks(
1217 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1218 {
1219 char *pos, *end;
1220 struct wpa_ssid *ssid;
1221 int ret;
1222
1223 pos = buf;
1224 end = buf + buflen;
1225 ret = os_snprintf(pos, end - pos,
1226 "network id / ssid / bssid / flags\n");
1227 if (ret < 0 || ret >= end - pos)
1228 return pos - buf;
1229 pos += ret;
1230
1231 ssid = wpa_s->conf->ssid;
1232 while (ssid) {
1233 ret = os_snprintf(pos, end - pos, "%d\t%s",
1234 ssid->id,
1235 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1236 if (ret < 0 || ret >= end - pos)
1237 return pos - buf;
1238 pos += ret;
1239 if (ssid->bssid_set) {
1240 ret = os_snprintf(pos, end - pos, "\t" MACSTR,
1241 MAC2STR(ssid->bssid));
1242 } else {
1243 ret = os_snprintf(pos, end - pos, "\tany");
1244 }
1245 if (ret < 0 || ret >= end - pos)
1246 return pos - buf;
1247 pos += ret;
1248 ret = os_snprintf(pos, end - pos, "\t%s%s%s",
1249 ssid == wpa_s->current_ssid ?
1250 "[CURRENT]" : "",
1251 ssid->disabled ? "[DISABLED]" : "",
1252 ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
1253 "");
1254 if (ret < 0 || ret >= end - pos)
1255 return pos - buf;
1256 pos += ret;
1257 ret = os_snprintf(pos, end - pos, "\n");
1258 if (ret < 0 || ret >= end - pos)
1259 return pos - buf;
1260 pos += ret;
1261
1262 ssid = ssid->next;
1263 }
1264
1265 return pos - buf;
1266 }
1267
1268
1269 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
1270 {
1271 int first = 1, ret;
1272 ret = os_snprintf(pos, end - pos, "-");
1273 if (ret < 0 || ret >= end - pos)
1274 return pos;
1275 pos += ret;
1276 if (cipher & WPA_CIPHER_NONE) {
1277 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : "+");
1278 if (ret < 0 || ret >= end - pos)
1279 return pos;
1280 pos += ret;
1281 first = 0;
1282 }
1283 if (cipher & WPA_CIPHER_WEP40) {
1284 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : "+");
1285 if (ret < 0 || ret >= end - pos)
1286 return pos;
1287 pos += ret;
1288 first = 0;
1289 }
1290 if (cipher & WPA_CIPHER_WEP104) {
1291 ret = os_snprintf(pos, end - pos, "%sWEP104",
1292 first ? "" : "+");
1293 if (ret < 0 || ret >= end - pos)
1294 return pos;
1295 pos += ret;
1296 first = 0;
1297 }
1298 if (cipher & WPA_CIPHER_TKIP) {
1299 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : "+");
1300 if (ret < 0 || ret >= end - pos)
1301 return pos;
1302 pos += ret;
1303 first = 0;
1304 }
1305 if (cipher & WPA_CIPHER_CCMP) {
1306 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : "+");
1307 if (ret < 0 || ret >= end - pos)
1308 return pos;
1309 pos += ret;
1310 first = 0;
1311 }
1312 return pos;
1313 }
1314
1315
1316 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
1317 const u8 *ie, size_t ie_len)
1318 {
1319 struct wpa_ie_data data;
1320 int first, ret;
1321
1322 ret = os_snprintf(pos, end - pos, "[%s-", proto);
1323 if (ret < 0 || ret >= end - pos)
1324 return pos;
1325 pos += ret;
1326
1327 if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
1328 ret = os_snprintf(pos, end - pos, "?]");
1329 if (ret < 0 || ret >= end - pos)
1330 return pos;
1331 pos += ret;
1332 return pos;
1333 }
1334
1335 first = 1;
1336 if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
1337 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
1338 if (ret < 0 || ret >= end - pos)
1339 return pos;
1340 pos += ret;
1341 first = 0;
1342 }
1343 if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
1344 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
1345 if (ret < 0 || ret >= end - pos)
1346 return pos;
1347 pos += ret;
1348 first = 0;
1349 }
1350 if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
1351 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
1352 if (ret < 0 || ret >= end - pos)
1353 return pos;
1354 pos += ret;
1355 first = 0;
1356 }
1357 #ifdef CONFIG_IEEE80211R
1358 if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
1359 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
1360 first ? "" : "+");
1361 if (ret < 0 || ret >= end - pos)
1362 return pos;
1363 pos += ret;
1364 first = 0;
1365 }
1366 if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
1367 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
1368 first ? "" : "+");
1369 if (ret < 0 || ret >= end - pos)
1370 return pos;
1371 pos += ret;
1372 first = 0;
1373 }
1374 #endif /* CONFIG_IEEE80211R */
1375 #ifdef CONFIG_IEEE80211W
1376 if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
1377 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
1378 first ? "" : "+");
1379 if (ret < 0 || ret >= end - pos)
1380 return pos;
1381 pos += ret;
1382 first = 0;
1383 }
1384 if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
1385 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
1386 first ? "" : "+");
1387 if (ret < 0 || ret >= end - pos)
1388 return pos;
1389 pos += ret;
1390 first = 0;
1391 }
1392 #endif /* CONFIG_IEEE80211W */
1393
1394 pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
1395
1396 if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
1397 ret = os_snprintf(pos, end - pos, "-preauth");
1398 if (ret < 0 || ret >= end - pos)
1399 return pos;
1400 pos += ret;
1401 }
1402
1403 ret = os_snprintf(pos, end - pos, "]");
1404 if (ret < 0 || ret >= end - pos)
1405 return pos;
1406 pos += ret;
1407
1408 return pos;
1409 }
1410
1411
1412 #ifdef CONFIG_WPS
1413 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
1414 char *pos, char *end,
1415 struct wpabuf *wps_ie)
1416 {
1417 int ret;
1418 const char *txt;
1419
1420 if (wps_ie == NULL)
1421 return pos;
1422 if (wps_is_selected_pbc_registrar(wps_ie))
1423 txt = "[WPS-PBC]";
1424 #ifdef CONFIG_WPS2
1425 else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
1426 txt = "[WPS-AUTH]";
1427 #endif /* CONFIG_WPS2 */
1428 else if (wps_is_selected_pin_registrar(wps_ie))
1429 txt = "[WPS-PIN]";
1430 else
1431 txt = "[WPS]";
1432
1433 ret = os_snprintf(pos, end - pos, "%s", txt);
1434 if (ret >= 0 && ret < end - pos)
1435 pos += ret;
1436 wpabuf_free(wps_ie);
1437 return pos;
1438 }
1439 #endif /* CONFIG_WPS */
1440
1441
1442 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
1443 char *pos, char *end,
1444 const struct wpa_bss *bss)
1445 {
1446 #ifdef CONFIG_WPS
1447 struct wpabuf *wps_ie;
1448 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1449 return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
1450 #else /* CONFIG_WPS */
1451 return pos;
1452 #endif /* CONFIG_WPS */
1453 }
1454
1455
1456 /* Format one result on one text line into a buffer. */
1457 static int wpa_supplicant_ctrl_iface_scan_result(
1458 struct wpa_supplicant *wpa_s,
1459 const struct wpa_bss *bss, char *buf, size_t buflen)
1460 {
1461 char *pos, *end;
1462 int ret;
1463 const u8 *ie, *ie2, *p2p;
1464
1465 p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
1466 if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
1467 os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
1468 0)
1469 return 0; /* Do not show P2P listen discovery results here */
1470
1471 pos = buf;
1472 end = buf + buflen;
1473
1474 ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
1475 MAC2STR(bss->bssid), bss->freq, bss->level);
1476 if (ret < 0 || ret >= end - pos)
1477 return -1;
1478 pos += ret;
1479 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
1480 if (ie)
1481 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
1482 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
1483 if (ie2)
1484 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
1485 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
1486 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
1487 ret = os_snprintf(pos, end - pos, "[WEP]");
1488 if (ret < 0 || ret >= end - pos)
1489 return -1;
1490 pos += ret;
1491 }
1492 if (bss->caps & IEEE80211_CAP_IBSS) {
1493 ret = os_snprintf(pos, end - pos, "[IBSS]");
1494 if (ret < 0 || ret >= end - pos)
1495 return -1;
1496 pos += ret;
1497 }
1498 if (bss->caps & IEEE80211_CAP_ESS) {
1499 ret = os_snprintf(pos, end - pos, "[ESS]");
1500 if (ret < 0 || ret >= end - pos)
1501 return -1;
1502 pos += ret;
1503 }
1504 if (p2p) {
1505 ret = os_snprintf(pos, end - pos, "[P2P]");
1506 if (ret < 0 || ret >= end - pos)
1507 return -1;
1508 pos += ret;
1509 }
1510 #ifdef CONFIG_HS20
1511 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
1512 ret = os_snprintf(pos, end - pos, "[HS20]");
1513 if (ret < 0 || ret >= end - pos)
1514 return -1;
1515 pos += ret;
1516 }
1517 #endif /* CONFIG_HS20 */
1518
1519 ret = os_snprintf(pos, end - pos, "\t%s",
1520 wpa_ssid_txt(bss->ssid, bss->ssid_len));
1521 if (ret < 0 || ret >= end - pos)
1522 return -1;
1523 pos += ret;
1524
1525 ret = os_snprintf(pos, end - pos, "\n");
1526 if (ret < 0 || ret >= end - pos)
1527 return -1;
1528 pos += ret;
1529
1530 return pos - buf;
1531 }
1532
1533
1534 static int wpa_supplicant_ctrl_iface_scan_results(
1535 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1536 {
1537 char *pos, *end;
1538 struct wpa_bss *bss;
1539 int ret;
1540
1541 pos = buf;
1542 end = buf + buflen;
1543 ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
1544 "flags / ssid\n");
1545 if (ret < 0 || ret >= end - pos)
1546 return pos - buf;
1547 pos += ret;
1548
1549 dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
1550 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
1551 end - pos);
1552 if (ret < 0 || ret >= end - pos)
1553 return pos - buf;
1554 pos += ret;
1555 }
1556
1557 return pos - buf;
1558 }
1559
1560
1561 static int wpa_supplicant_ctrl_iface_select_network(
1562 struct wpa_supplicant *wpa_s, char *cmd)
1563 {
1564 int id;
1565 struct wpa_ssid *ssid;
1566
1567 /* cmd: "<network id>" or "any" */
1568 if (os_strcmp(cmd, "any") == 0) {
1569 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
1570 ssid = NULL;
1571 } else {
1572 id = atoi(cmd);
1573 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
1574
1575 ssid = wpa_config_get_network(wpa_s->conf, id);
1576 if (ssid == NULL) {
1577 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
1578 "network id=%d", id);
1579 return -1;
1580 }
1581 if (ssid->disabled == 2) {
1582 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
1583 "SELECT_NETWORK with persistent P2P group");
1584 return -1;
1585 }
1586 }
1587
1588 wpa_supplicant_select_network(wpa_s, ssid);
1589
1590 return 0;
1591 }
1592
1593
1594 static int wpa_supplicant_ctrl_iface_enable_network(
1595 struct wpa_supplicant *wpa_s, char *cmd)
1596 {
1597 int id;
1598 struct wpa_ssid *ssid;
1599
1600 /* cmd: "<network id>" or "all" */
1601 if (os_strcmp(cmd, "all") == 0) {
1602 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
1603 ssid = NULL;
1604 } else {
1605 id = atoi(cmd);
1606 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
1607
1608 ssid = wpa_config_get_network(wpa_s->conf, id);
1609 if (ssid == NULL) {
1610 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
1611 "network id=%d", id);
1612 return -1;
1613 }
1614 if (ssid->disabled == 2) {
1615 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
1616 "ENABLE_NETWORK with persistent P2P group");
1617 return -1;
1618 }
1619
1620 if (os_strstr(cmd, " no-connect")) {
1621 ssid->disabled = 0;
1622 return 0;
1623 }
1624 }
1625 wpa_supplicant_enable_network(wpa_s, ssid);
1626
1627 return 0;
1628 }
1629
1630
1631 static int wpa_supplicant_ctrl_iface_disable_network(
1632 struct wpa_supplicant *wpa_s, char *cmd)
1633 {
1634 int id;
1635 struct wpa_ssid *ssid;
1636
1637 /* cmd: "<network id>" or "all" */
1638 if (os_strcmp(cmd, "all") == 0) {
1639 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
1640 ssid = NULL;
1641 } else {
1642 id = atoi(cmd);
1643 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
1644
1645 ssid = wpa_config_get_network(wpa_s->conf, id);
1646 if (ssid == NULL) {
1647 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
1648 "network id=%d", id);
1649 return -1;
1650 }
1651 if (ssid->disabled == 2) {
1652 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
1653 "DISABLE_NETWORK with persistent P2P "
1654 "group");
1655 return -1;
1656 }
1657 }
1658 wpa_supplicant_disable_network(wpa_s, ssid);
1659
1660 return 0;
1661 }
1662
1663
1664 static int wpa_supplicant_ctrl_iface_add_network(
1665 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1666 {
1667 struct wpa_ssid *ssid;
1668 int ret;
1669
1670 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
1671
1672 ssid = wpa_config_add_network(wpa_s->conf);
1673 if (ssid == NULL)
1674 return -1;
1675
1676 wpas_notify_network_added(wpa_s, ssid);
1677
1678 ssid->disabled = 1;
1679 wpa_config_set_network_defaults(ssid);
1680
1681 ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
1682 if (ret < 0 || (size_t) ret >= buflen)
1683 return -1;
1684 return ret;
1685 }
1686
1687
1688 static int wpa_supplicant_ctrl_iface_remove_network(
1689 struct wpa_supplicant *wpa_s, char *cmd)
1690 {
1691 int id;
1692 struct wpa_ssid *ssid;
1693
1694 /* cmd: "<network id>" or "all" */
1695 if (os_strcmp(cmd, "all") == 0) {
1696 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
1697 ssid = wpa_s->conf->ssid;
1698 while (ssid) {
1699 struct wpa_ssid *remove_ssid = ssid;
1700 id = ssid->id;
1701 ssid = ssid->next;
1702 wpas_notify_network_removed(wpa_s, remove_ssid);
1703 wpa_config_remove_network(wpa_s->conf, id);
1704 }
1705 eapol_sm_invalidate_cached_session(wpa_s->eapol);
1706 if (wpa_s->current_ssid) {
1707 #ifdef CONFIG_SME
1708 wpa_s->sme.prev_bssid_set = 0;
1709 #endif /* CONFIG_SME */
1710 wpa_sm_set_config(wpa_s->wpa, NULL);
1711 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
1712 wpa_supplicant_disassociate(wpa_s,
1713 WLAN_REASON_DEAUTH_LEAVING);
1714 }
1715 return 0;
1716 }
1717
1718 id = atoi(cmd);
1719 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
1720
1721 ssid = wpa_config_get_network(wpa_s->conf, id);
1722 if (ssid)
1723 wpas_notify_network_removed(wpa_s, ssid);
1724 if (ssid == NULL ||
1725 wpa_config_remove_network(wpa_s->conf, id) < 0) {
1726 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
1727 "id=%d", id);
1728 return -1;
1729 }
1730
1731 if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
1732 #ifdef CONFIG_SME
1733 wpa_s->sme.prev_bssid_set = 0;
1734 #endif /* CONFIG_SME */
1735 /*
1736 * Invalidate the EAP session cache if the current or
1737 * previously used network is removed.
1738 */
1739 eapol_sm_invalidate_cached_session(wpa_s->eapol);
1740 }
1741
1742 if (ssid == wpa_s->current_ssid) {
1743 wpa_sm_set_config(wpa_s->wpa, NULL);
1744 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
1745
1746 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1747 }
1748
1749 return 0;
1750 }
1751
1752
1753 static int wpa_supplicant_ctrl_iface_set_network(
1754 struct wpa_supplicant *wpa_s, char *cmd)
1755 {
1756 int id;
1757 struct wpa_ssid *ssid;
1758 char *name, *value;
1759
1760 /* cmd: "<network id> <variable name> <value>" */
1761 name = os_strchr(cmd, ' ');
1762 if (name == NULL)
1763 return -1;
1764 *name++ = '\0';
1765
1766 value = os_strchr(name, ' ');
1767 if (value == NULL)
1768 return -1;
1769 *value++ = '\0';
1770
1771 id = atoi(cmd);
1772 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
1773 id, name);
1774 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1775 (u8 *) value, os_strlen(value));
1776
1777 ssid = wpa_config_get_network(wpa_s->conf, id);
1778 if (ssid == NULL) {
1779 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
1780 "id=%d", id);
1781 return -1;
1782 }
1783
1784 if (wpa_config_set(ssid, name, value, 0) < 0) {
1785 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
1786 "variable '%s'", name);
1787 return -1;
1788 }
1789
1790 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
1791
1792 if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
1793 /*
1794 * Invalidate the EAP session cache if anything in the current
1795 * or previously used configuration changes.
1796 */
1797 eapol_sm_invalidate_cached_session(wpa_s->eapol);
1798 }
1799
1800 if ((os_strcmp(name, "psk") == 0 &&
1801 value[0] == '"' && ssid->ssid_len) ||
1802 (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
1803 wpa_config_update_psk(ssid);
1804 else if (os_strcmp(name, "priority") == 0)
1805 wpa_config_update_prio_list(wpa_s->conf);
1806
1807 return 0;
1808 }
1809
1810
1811 static int wpa_supplicant_ctrl_iface_get_network(
1812 struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
1813 {
1814 int id;
1815 size_t res;
1816 struct wpa_ssid *ssid;
1817 char *name, *value;
1818
1819 /* cmd: "<network id> <variable name>" */
1820 name = os_strchr(cmd, ' ');
1821 if (name == NULL || buflen == 0)
1822 return -1;
1823 *name++ = '\0';
1824
1825 id = atoi(cmd);
1826 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
1827 id, name);
1828
1829 ssid = wpa_config_get_network(wpa_s->conf, id);
1830 if (ssid == NULL) {
1831 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
1832 "id=%d", id);
1833 return -1;
1834 }
1835
1836 value = wpa_config_get_no_key(ssid, name);
1837 if (value == NULL) {
1838 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
1839 "variable '%s'", name);
1840 return -1;
1841 }
1842
1843 res = os_strlcpy(buf, value, buflen);
1844 if (res >= buflen) {
1845 os_free(value);
1846 return -1;
1847 }
1848
1849 os_free(value);
1850
1851 return res;
1852 }
1853
1854
1855 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
1856 char *buf, size_t buflen)
1857 {
1858 char *pos, *end;
1859 struct wpa_cred *cred;
1860 int ret;
1861
1862 pos = buf;
1863 end = buf + buflen;
1864 ret = os_snprintf(pos, end - pos,
1865 "cred id / realm / username / domain / imsi\n");
1866 if (ret < 0 || ret >= end - pos)
1867 return pos - buf;
1868 pos += ret;
1869
1870 cred = wpa_s->conf->cred;
1871 while (cred) {
1872 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
1873 cred->id, cred->realm ? cred->realm : "",
1874 cred->username ? cred->username : "",
1875 cred->domain ? cred->domain : "",
1876 cred->imsi ? cred->imsi : "");
1877 if (ret < 0 || ret >= end - pos)
1878 return pos - buf;
1879 pos += ret;
1880
1881 cred = cred->next;
1882 }
1883
1884 return pos - buf;
1885 }
1886
1887
1888 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
1889 char *buf, size_t buflen)
1890 {
1891 struct wpa_cred *cred;
1892 int ret;
1893
1894 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
1895
1896 cred = wpa_config_add_cred(wpa_s->conf);
1897 if (cred == NULL)
1898 return -1;
1899
1900 ret = os_snprintf(buf, buflen, "%d\n", cred->id);
1901 if (ret < 0 || (size_t) ret >= buflen)
1902 return -1;
1903 return ret;
1904 }
1905
1906
1907 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
1908 char *cmd)
1909 {
1910 int id;
1911 struct wpa_cred *cred;
1912
1913 /* cmd: "<cred id>" or "all" */
1914 if (os_strcmp(cmd, "all") == 0) {
1915 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
1916 cred = wpa_s->conf->cred;
1917 while (cred) {
1918 id = cred->id;
1919 cred = cred->next;
1920 wpa_config_remove_cred(wpa_s->conf, id);
1921 }
1922 return 0;
1923 }
1924
1925 id = atoi(cmd);
1926 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
1927
1928 cred = wpa_config_get_cred(wpa_s->conf, id);
1929 if (cred == NULL ||
1930 wpa_config_remove_cred(wpa_s->conf, id) < 0) {
1931 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
1932 id);
1933 return -1;
1934 }
1935
1936 return 0;
1937 }
1938
1939
1940 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
1941 char *cmd)
1942 {
1943 int id;
1944 struct wpa_cred *cred;
1945 char *name, *value;
1946
1947 /* cmd: "<cred id> <variable name> <value>" */
1948 name = os_strchr(cmd, ' ');
1949 if (name == NULL)
1950 return -1;
1951 *name++ = '\0';
1952
1953 value = os_strchr(name, ' ');
1954 if (value == NULL)
1955 return -1;
1956 *value++ = '\0';
1957
1958 id = atoi(cmd);
1959 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
1960 id, name);
1961 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1962 (u8 *) value, os_strlen(value));
1963
1964 cred = wpa_config_get_cred(wpa_s->conf, id);
1965 if (cred == NULL) {
1966 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
1967 id);
1968 return -1;
1969 }
1970
1971 if (wpa_config_set_cred(cred, name, value, 0) < 0) {
1972 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
1973 "variable '%s'", name);
1974 return -1;
1975 }
1976
1977 return 0;
1978 }
1979
1980
1981 #ifndef CONFIG_NO_CONFIG_WRITE
1982 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
1983 {
1984 int ret;
1985
1986 if (!wpa_s->conf->update_config) {
1987 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
1988 "to update configuration (update_config=0)");
1989 return -1;
1990 }
1991
1992 ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
1993 if (ret) {
1994 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
1995 "update configuration");
1996 } else {
1997 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
1998 " updated");
1999 }
2000
2001 return ret;
2002 }
2003 #endif /* CONFIG_NO_CONFIG_WRITE */
2004
2005
2006 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2007 struct wpa_driver_capa *capa,
2008 char *buf, size_t buflen)
2009 {
2010 int ret, first = 1;
2011 char *pos, *end;
2012 size_t len;
2013
2014 pos = buf;
2015 end = pos + buflen;
2016
2017 if (res < 0) {
2018 if (strict)
2019 return 0;
2020 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2021 if (len >= buflen)
2022 return -1;
2023 return len;
2024 }
2025
2026 if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2027 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2028 if (ret < 0 || ret >= end - pos)
2029 return pos - buf;
2030 pos += ret;
2031 first = 0;
2032 }
2033
2034 if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2035 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2036 if (ret < 0 || ret >= end - pos)
2037 return pos - buf;
2038 pos += ret;
2039 first = 0;
2040 }
2041
2042 if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2043 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
2044 if (ret < 0 || ret >= end - pos)
2045 return pos - buf;
2046 pos += ret;
2047 first = 0;
2048 }
2049
2050 return pos - buf;
2051 }
2052
2053
2054 static int ctrl_iface_get_capability_group(int res, char *strict,
2055 struct wpa_driver_capa *capa,
2056 char *buf, size_t buflen)
2057 {
2058 int ret, first = 1;
2059 char *pos, *end;
2060 size_t len;
2061
2062 pos = buf;
2063 end = pos + buflen;
2064
2065 if (res < 0) {
2066 if (strict)
2067 return 0;
2068 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
2069 if (len >= buflen)
2070 return -1;
2071 return len;
2072 }
2073
2074 if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2075 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2076 if (ret < 0 || ret >= end - pos)
2077 return pos - buf;
2078 pos += ret;
2079 first = 0;
2080 }
2081
2082 if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2083 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2084 if (ret < 0 || ret >= end - pos)
2085 return pos - buf;
2086 pos += ret;
2087 first = 0;
2088 }
2089
2090 if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP104) {
2091 ret = os_snprintf(pos, end - pos, "%sWEP104",
2092 first ? "" : " ");
2093 if (ret < 0 || ret >= end - pos)
2094 return pos - buf;
2095 pos += ret;
2096 first = 0;
2097 }
2098
2099 if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
2100 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
2101 if (ret < 0 || ret >= end - pos)
2102 return pos - buf;
2103 pos += ret;
2104 first = 0;
2105 }
2106
2107 return pos - buf;
2108 }
2109
2110
2111 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
2112 struct wpa_driver_capa *capa,
2113 char *buf, size_t buflen)
2114 {
2115 int ret;
2116 char *pos, *end;
2117 size_t len;
2118
2119 pos = buf;
2120 end = pos + buflen;
2121
2122 if (res < 0) {
2123 if (strict)
2124 return 0;
2125 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
2126 "NONE", buflen);
2127 if (len >= buflen)
2128 return -1;
2129 return len;
2130 }
2131
2132 ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
2133 if (ret < 0 || ret >= end - pos)
2134 return pos - buf;
2135 pos += ret;
2136
2137 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2138 WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2139 ret = os_snprintf(pos, end - pos, " WPA-EAP");
2140 if (ret < 0 || ret >= end - pos)
2141 return pos - buf;
2142 pos += ret;
2143 }
2144
2145 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2146 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2147 ret = os_snprintf(pos, end - pos, " WPA-PSK");
2148 if (ret < 0 || ret >= end - pos)
2149 return pos - buf;
2150 pos += ret;
2151 }
2152
2153 if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2154 ret = os_snprintf(pos, end - pos, " WPA-NONE");
2155 if (ret < 0 || ret >= end - pos)
2156 return pos - buf;
2157 pos += ret;
2158 }
2159
2160 return pos - buf;
2161 }
2162
2163
2164 static int ctrl_iface_get_capability_proto(int res, char *strict,
2165 struct wpa_driver_capa *capa,
2166 char *buf, size_t buflen)
2167 {
2168 int ret, first = 1;
2169 char *pos, *end;
2170 size_t len;
2171
2172 pos = buf;
2173 end = pos + buflen;
2174
2175 if (res < 0) {
2176 if (strict)
2177 return 0;
2178 len = os_strlcpy(buf, "RSN WPA", buflen);
2179 if (len >= buflen)
2180 return -1;
2181 return len;
2182 }
2183
2184 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2185 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2186 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
2187 if (ret < 0 || ret >= end - pos)
2188 return pos - buf;
2189 pos += ret;
2190 first = 0;
2191 }
2192
2193 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2194 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2195 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
2196 if (ret < 0 || ret >= end - pos)
2197 return pos - buf;
2198 pos += ret;
2199 first = 0;
2200 }
2201
2202 return pos - buf;
2203 }
2204
2205
2206 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
2207 struct wpa_driver_capa *capa,
2208 char *buf, size_t buflen)
2209 {
2210 int ret, first = 1;
2211 char *pos, *end;
2212 size_t len;
2213
2214 pos = buf;
2215 end = pos + buflen;
2216
2217 if (res < 0) {
2218 if (strict)
2219 return 0;
2220 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
2221 if (len >= buflen)
2222 return -1;
2223 return len;
2224 }
2225
2226 if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
2227 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
2228 if (ret < 0 || ret >= end - pos)
2229 return pos - buf;
2230 pos += ret;
2231 first = 0;
2232 }
2233
2234 if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
2235 ret = os_snprintf(pos, end - pos, "%sSHARED",
2236 first ? "" : " ");
2237 if (ret < 0 || ret >= end - pos)
2238 return pos - buf;
2239 pos += ret;
2240 first = 0;
2241 }
2242
2243 if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
2244 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
2245 if (ret < 0 || ret >= end - pos)
2246 return pos - buf;
2247 pos += ret;
2248 first = 0;
2249 }
2250
2251 return pos - buf;
2252 }
2253
2254
2255 static int wpa_supplicant_ctrl_iface_get_capability(
2256 struct wpa_supplicant *wpa_s, const char *_field, char *buf,
2257 size_t buflen)
2258 {
2259 struct wpa_driver_capa capa;
2260 int res;
2261 char *strict;
2262 char field[30];
2263 size_t len;
2264
2265 /* Determine whether or not strict checking was requested */
2266 len = os_strlcpy(field, _field, sizeof(field));
2267 if (len >= sizeof(field))
2268 return -1;
2269 strict = os_strchr(field, ' ');
2270 if (strict != NULL) {
2271 *strict++ = '\0';
2272 if (os_strcmp(strict, "strict") != 0)
2273 return -1;
2274 }
2275
2276 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
2277 field, strict ? strict : "");
2278
2279 if (os_strcmp(field, "eap") == 0) {
2280 return eap_get_names(buf, buflen);
2281 }
2282
2283 res = wpa_drv_get_capa(wpa_s, &capa);
2284
2285 if (os_strcmp(field, "pairwise") == 0)
2286 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
2287 buf, buflen);
2288
2289 if (os_strcmp(field, "group") == 0)
2290 return ctrl_iface_get_capability_group(res, strict, &capa,
2291 buf, buflen);
2292
2293 if (os_strcmp(field, "key_mgmt") == 0)
2294 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
2295 buf, buflen);
2296
2297 if (os_strcmp(field, "proto") == 0)
2298 return ctrl_iface_get_capability_proto(res, strict, &capa,
2299 buf, buflen);
2300
2301 if (os_strcmp(field, "auth_alg") == 0)
2302 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
2303 buf, buflen);
2304
2305 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
2306 field);
2307
2308 return -1;
2309 }
2310
2311
2312 #ifdef CONFIG_INTERWORKING
2313 static char * anqp_add_hex(char *pos, char *end, const char *title,
2314 struct wpabuf *data)
2315 {
2316 char *start = pos;
2317 size_t i;
2318 int ret;
2319 const u8 *d;
2320
2321 if (data == NULL)
2322 return start;
2323
2324 ret = os_snprintf(pos, end - pos, "%s=", title);
2325 if (ret < 0 || ret >= end - pos)
2326 return start;
2327 pos += ret;
2328
2329 d = wpabuf_head_u8(data);
2330 for (i = 0; i < wpabuf_len(data); i++) {
2331 ret = os_snprintf(pos, end - pos, "%02x", *d++);
2332 if (ret < 0 || ret >= end - pos)
2333 return start;
2334 pos += ret;
2335 }
2336
2337 ret = os_snprintf(pos, end - pos, "\n");
2338 if (ret < 0 || ret >= end - pos)
2339 return start;
2340 pos += ret;
2341
2342 return pos;
2343 }
2344 #endif /* CONFIG_INTERWORKING */
2345
2346
2347 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
2348 unsigned long mask, char *buf, size_t buflen)
2349 {
2350 size_t i;
2351 int ret;
2352 char *pos, *end;
2353 const u8 *ie, *ie2;
2354
2355 pos = buf;
2356 end = buf + buflen;
2357
2358 if (mask & WPA_BSS_MASK_ID) {
2359 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
2360 if (ret < 0 || ret >= end - pos)
2361 return 0;
2362 pos += ret;
2363 }
2364
2365 if (mask & WPA_BSS_MASK_BSSID) {
2366 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
2367 MAC2STR(bss->bssid));
2368 if (ret < 0 || ret >= end - pos)
2369 return 0;
2370 pos += ret;
2371 }
2372
2373 if (mask & WPA_BSS_MASK_FREQ) {
2374 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
2375 if (ret < 0 || ret >= end - pos)
2376 return 0;
2377 pos += ret;
2378 }
2379
2380 if (mask & WPA_BSS_MASK_BEACON_INT) {
2381 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
2382 bss->beacon_int);
2383 if (ret < 0 || ret >= end - pos)
2384 return 0;
2385 pos += ret;
2386 }
2387
2388 if (mask & WPA_BSS_MASK_CAPABILITIES) {
2389 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
2390 bss->caps);
2391 if (ret < 0 || ret >= end - pos)
2392 return 0;
2393 pos += ret;
2394 }
2395
2396 if (mask & WPA_BSS_MASK_QUAL) {
2397 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
2398 if (ret < 0 || ret >= end - pos)
2399 return 0;
2400 pos += ret;
2401 }
2402
2403 if (mask & WPA_BSS_MASK_NOISE) {
2404 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
2405 if (ret < 0 || ret >= end - pos)
2406 return 0;
2407 pos += ret;
2408 }
2409
2410 if (mask & WPA_BSS_MASK_LEVEL) {
2411 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
2412 if (ret < 0 || ret >= end - pos)
2413 return 0;
2414 pos += ret;
2415 }
2416
2417 if (mask & WPA_BSS_MASK_TSF) {
2418 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
2419 (unsigned long long) bss->tsf);
2420 if (ret < 0 || ret >= end - pos)
2421 return 0;
2422 pos += ret;
2423 }
2424
2425 if (mask & WPA_BSS_MASK_AGE) {
2426 struct os_time now;
2427
2428 os_get_time(&now);
2429 ret = os_snprintf(pos, end - pos, "age=%d\n",
2430 (int) (now.sec - bss->last_update.sec));
2431 if (ret < 0 || ret >= end - pos)
2432 return 0;
2433 pos += ret;
2434 }
2435
2436 if (mask & WPA_BSS_MASK_IE) {
2437 ret = os_snprintf(pos, end - pos, "ie=");
2438 if (ret < 0 || ret >= end - pos)
2439 return 0;
2440 pos += ret;
2441
2442 ie = (const u8 *) (bss + 1);
2443 for (i = 0; i < bss->ie_len; i++) {
2444 ret = os_snprintf(pos, end - pos, "%02x", *ie++);
2445 if (ret < 0 || ret >= end - pos)
2446 return 0;
2447 pos += ret;
2448 }
2449
2450 ret = os_snprintf(pos, end - pos, "\n");
2451 if (ret < 0 || ret >= end - pos)
2452 return 0;
2453 pos += ret;
2454 }
2455
2456 if (mask & WPA_BSS_MASK_FLAGS) {
2457 ret = os_snprintf(pos, end - pos, "flags=");
2458 if (ret < 0 || ret >= end - pos)
2459 return 0;
2460 pos += ret;
2461
2462 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2463 if (ie)
2464 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
2465 2 + ie[1]);
2466 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2467 if (ie2)
2468 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
2469 2 + ie2[1]);
2470 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2471 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2472 ret = os_snprintf(pos, end - pos, "[WEP]");
2473 if (ret < 0 || ret >= end - pos)
2474 return 0;
2475 pos += ret;
2476 }
2477 if (bss->caps & IEEE80211_CAP_IBSS) {
2478 ret = os_snprintf(pos, end - pos, "[IBSS]");
2479 if (ret < 0 || ret >= end - pos)
2480 return 0;
2481 pos += ret;
2482 }
2483 if (bss->caps & IEEE80211_CAP_ESS) {
2484 ret = os_snprintf(pos, end - pos, "[ESS]");
2485 if (ret < 0 || ret >= end - pos)
2486 return 0;
2487 pos += ret;
2488 }
2489 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE)) {
2490 ret = os_snprintf(pos, end - pos, "[P2P]");
2491 if (ret < 0 || ret >= end - pos)
2492 return 0;
2493 pos += ret;
2494 }
2495 #ifdef CONFIG_HS20
2496 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
2497 ret = os_snprintf(pos, end - pos, "[HS20]");
2498 if (ret < 0 || ret >= end - pos)
2499 return -1;
2500 pos += ret;
2501 }
2502 #endif /* CONFIG_HS20 */
2503
2504 ret = os_snprintf(pos, end - pos, "\n");
2505 if (ret < 0 || ret >= end - pos)
2506 return 0;
2507 pos += ret;
2508 }
2509
2510 if (mask & WPA_BSS_MASK_SSID) {
2511 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
2512 wpa_ssid_txt(bss->ssid, bss->ssid_len));
2513 if (ret < 0 || ret >= end - pos)
2514 return 0;
2515 pos += ret;
2516 }
2517
2518 #ifdef CONFIG_WPS
2519 if (mask & WPA_BSS_MASK_WPS_SCAN) {
2520 ie = (const u8 *) (bss + 1);
2521 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
2522 if (ret < 0 || ret >= end - pos)
2523 return 0;
2524 pos += ret;
2525 }
2526 #endif /* CONFIG_WPS */
2527
2528 #ifdef CONFIG_P2P
2529 if (mask & WPA_BSS_MASK_P2P_SCAN) {
2530 ie = (const u8 *) (bss + 1);
2531 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
2532 if (ret < 0 || ret >= end - pos)
2533 return 0;
2534 pos += ret;
2535 }
2536 #endif /* CONFIG_P2P */
2537
2538 #ifdef CONFIG_INTERWORKING
2539 if (mask & WPA_BSS_MASK_INTERNETW) {
2540 pos = anqp_add_hex(pos, end, "anqp_venue_name",
2541 bss->anqp_venue_name);
2542 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
2543 bss->anqp_network_auth_type);
2544 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
2545 bss->anqp_roaming_consortium);
2546 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
2547 bss->anqp_ip_addr_type_availability);
2548 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
2549 bss->anqp_nai_realm);
2550 pos = anqp_add_hex(pos, end, "anqp_3gpp", bss->anqp_3gpp);
2551 pos = anqp_add_hex(pos, end, "anqp_domain_name",
2552 bss->anqp_domain_name);
2553 #ifdef CONFIG_HS20
2554 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
2555 bss->hs20_operator_friendly_name);
2556 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
2557 bss->hs20_wan_metrics);
2558 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
2559 bss->hs20_connection_capability);
2560 #endif /* CONFIG_HS20 */
2561 }
2562 #endif /* CONFIG_INTERWORKING */
2563
2564 return pos - buf;
2565 }
2566
2567
2568 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
2569 const char *cmd, char *buf,
2570 size_t buflen)
2571 {
2572 u8 bssid[ETH_ALEN];
2573 size_t i;
2574 struct wpa_bss *bss;
2575 struct wpa_bss *bsslast = NULL;
2576 struct dl_list *next;
2577 int ret = 0;
2578 int len;
2579 char *ctmp;
2580 unsigned long mask = WPA_BSS_MASK_ALL;
2581
2582 if (os_strncmp(cmd, "RANGE=", 6) == 0) {
2583 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
2584 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
2585 list_id);
2586 bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
2587 list_id);
2588 } else { /* N1-N2 */
2589 unsigned int id1, id2;
2590
2591 if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
2592 wpa_printf(MSG_INFO, "Wrong BSS range "
2593 "format");
2594 return 0;
2595 }
2596
2597 id1 = atoi(cmd + 6);
2598 bss = wpa_bss_get_id(wpa_s, id1);
2599 id2 = atoi(ctmp + 1);
2600 if (id2 == 0)
2601 bsslast = dl_list_last(&wpa_s->bss_id,
2602 struct wpa_bss,
2603 list_id);
2604 else {
2605 bsslast = wpa_bss_get_id(wpa_s, id2);
2606 if (bsslast == NULL && bss && id2 > id1) {
2607 struct wpa_bss *tmp = bss;
2608 for (;;) {
2609 next = tmp->list_id.next;
2610 if (next == &wpa_s->bss_id)
2611 break;
2612 tmp = dl_list_entry(
2613 next, struct wpa_bss,
2614 list_id);
2615 if (tmp->id > id2)
2616 break;
2617 bsslast = tmp;
2618 }
2619 }
2620 }
2621 }
2622 } else if (os_strcmp(cmd, "FIRST") == 0)
2623 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
2624 else if (os_strncmp(cmd, "ID-", 3) == 0) {
2625 i = atoi(cmd + 3);
2626 bss = wpa_bss_get_id(wpa_s, i);
2627 } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
2628 i = atoi(cmd + 5);
2629 bss = wpa_bss_get_id(wpa_s, i);
2630 if (bss) {
2631 next = bss->list_id.next;
2632 if (next == &wpa_s->bss_id)
2633 bss = NULL;
2634 else
2635 bss = dl_list_entry(next, struct wpa_bss,
2636 list_id);
2637 }
2638 #ifdef CONFIG_P2P
2639 } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
2640 if (hwaddr_aton(cmd + 13, bssid) == 0)
2641 bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
2642 else
2643 bss = NULL;
2644 #endif /* CONFIG_P2P */
2645 } else if (hwaddr_aton(cmd, bssid) == 0)
2646 bss = wpa_bss_get_bssid(wpa_s, bssid);
2647 else {
2648 struct wpa_bss *tmp;
2649 i = atoi(cmd);
2650 bss = NULL;
2651 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
2652 {
2653 if (i-- == 0) {
2654 bss = tmp;
2655 break;
2656 }
2657 }
2658 }
2659
2660 if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
2661 mask = strtoul(ctmp + 5, NULL, 0x10);
2662 if (mask == 0)
2663 mask = WPA_BSS_MASK_ALL;
2664 }
2665
2666 if (bss == NULL)
2667 return 0;
2668
2669 if (bsslast == NULL)
2670 bsslast = bss;
2671 do {
2672 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
2673 ret += len;
2674 buf += len;
2675 buflen -= len;
2676 if (bss == bsslast)
2677 break;
2678 next = bss->list_id.next;
2679 if (next == &wpa_s->bss_id)
2680 break;
2681 bss = dl_list_entry(next, struct wpa_bss, list_id);
2682 } while (bss && len);
2683
2684 return ret;
2685 }
2686
2687
2688 static int wpa_supplicant_ctrl_iface_ap_scan(
2689 struct wpa_supplicant *wpa_s, char *cmd)
2690 {
2691 int ap_scan = atoi(cmd);
2692 return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
2693 }
2694
2695
2696 static int wpa_supplicant_ctrl_iface_scan_interval(
2697 struct wpa_supplicant *wpa_s, char *cmd)
2698 {
2699 int scan_int = atoi(cmd);
2700 return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
2701 }
2702
2703
2704 static int wpa_supplicant_ctrl_iface_bss_expire_age(
2705 struct wpa_supplicant *wpa_s, char *cmd)
2706 {
2707 int expire_age = atoi(cmd);
2708 return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
2709 }
2710
2711
2712 static int wpa_supplicant_ctrl_iface_bss_expire_count(
2713 struct wpa_supplicant *wpa_s, char *cmd)
2714 {
2715 int expire_count = atoi(cmd);
2716 return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
2717 }
2718
2719
2720 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
2721 {
2722 wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
2723 /* MLME-DELETEKEYS.request */
2724 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
2725 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
2726 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
2727 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
2728 #ifdef CONFIG_IEEE80211W
2729 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
2730 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
2731 #endif /* CONFIG_IEEE80211W */
2732
2733 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
2734 0);
2735 /* MLME-SETPROTECTION.request(None) */
2736 wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
2737 MLME_SETPROTECTION_PROTECT_TYPE_NONE,
2738 MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
2739 wpa_sm_drop_sa(wpa_s->wpa);
2740 }
2741
2742
2743 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
2744 char *addr)
2745 {
2746 #ifdef CONFIG_NO_SCAN_PROCESSING
2747 return -1;
2748 #else /* CONFIG_NO_SCAN_PROCESSING */
2749 u8 bssid[ETH_ALEN];
2750 struct wpa_bss *bss;
2751 struct wpa_ssid *ssid = wpa_s->current_ssid;
2752
2753 if (hwaddr_aton(addr, bssid)) {
2754 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
2755 "address '%s'", addr);
2756 return -1;
2757 }
2758
2759 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
2760
2761 bss = wpa_bss_get_bssid(wpa_s, bssid);
2762 if (!bss) {
2763 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
2764 "from BSS table");
2765 return -1;
2766 }
2767
2768 /*
2769 * TODO: Find best network configuration block from configuration to
2770 * allow roaming to other networks
2771 */
2772
2773 if (!ssid) {
2774 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
2775 "configuration known for the target AP");
2776 return -1;
2777 }
2778
2779 wpa_s->reassociate = 1;
2780 wpa_supplicant_connect(wpa_s, bss, ssid);
2781
2782 return 0;
2783 #endif /* CONFIG_NO_SCAN_PROCESSING */
2784 }
2785
2786
2787 #ifdef CONFIG_P2P
2788 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
2789 {
2790 unsigned int timeout = atoi(cmd);
2791 enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
2792 u8 dev_id[ETH_ALEN], *_dev_id = NULL;
2793 char *pos;
2794
2795 if (os_strstr(cmd, "type=social"))
2796 type = P2P_FIND_ONLY_SOCIAL;
2797 else if (os_strstr(cmd, "type=progressive"))
2798 type = P2P_FIND_PROGRESSIVE;
2799
2800 pos = os_strstr(cmd, "dev_id=");
2801 if (pos) {
2802 pos += 7;
2803 if (hwaddr_aton(pos, dev_id))
2804 return -1;
2805 _dev_id = dev_id;
2806 }
2807
2808 return wpas_p2p_find(wpa_s, timeout, type, 0, NULL, _dev_id);
2809 }
2810
2811
2812 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
2813 char *buf, size_t buflen)
2814 {
2815 u8 addr[ETH_ALEN];
2816 char *pos, *pos2;
2817 char *pin = NULL;
2818 enum p2p_wps_method wps_method;
2819 int new_pin;
2820 int ret;
2821 int persistent_group, persistent_id = -1;
2822 int join;
2823 int auth;
2824 int automatic;
2825 int go_intent = -1;
2826 int freq = 0;
2827
2828 /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
2829 * [persistent|persistent=<network id>]
2830 * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] */
2831
2832 if (hwaddr_aton(cmd, addr))
2833 return -1;
2834
2835 pos = cmd + 17;
2836 if (*pos != ' ')
2837 return -1;
2838 pos++;
2839
2840 persistent_group = os_strstr(pos, " persistent") != NULL;
2841 pos2 = os_strstr(pos, " persistent=");
2842 if (pos2) {
2843 struct wpa_ssid *ssid;
2844 persistent_id = atoi(pos2 + 12);
2845 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
2846 if (ssid == NULL || ssid->disabled != 2 ||
2847 ssid->mode != WPAS_MODE_P2P_GO) {
2848 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2849 "SSID id=%d for persistent P2P group (GO)",
2850 persistent_id);
2851 return -1;
2852 }
2853 }
2854 join = os_strstr(pos, " join") != NULL;
2855 auth = os_strstr(pos, " auth") != NULL;
2856 automatic = os_strstr(pos, " auto") != NULL;
2857
2858 pos2 = os_strstr(pos, " go_intent=");
2859 if (pos2) {
2860 pos2 += 11;
2861 go_intent = atoi(pos2);
2862 if (go_intent < 0 || go_intent > 15)
2863 return -1;
2864 }
2865
2866 pos2 = os_strstr(pos, " freq=");
2867 if (pos2) {
2868 pos2 += 6;
2869 freq = atoi(pos2);
2870 if (freq <= 0)
2871 return -1;
2872 }
2873
2874 if (os_strncmp(pos, "pin", 3) == 0) {
2875 /* Request random PIN (to be displayed) and enable the PIN */
2876 wps_method = WPS_PIN_DISPLAY;
2877 } else if (os_strncmp(pos, "pbc", 3) == 0) {
2878 wps_method = WPS_PBC;
2879 } else {
2880 pin = pos;
2881 pos = os_strchr(pin, ' ');
2882 wps_method = WPS_PIN_KEYPAD;
2883 if (pos) {
2884 *pos++ = '\0';
2885 if (os_strncmp(pos, "display", 7) == 0)
2886 wps_method = WPS_PIN_DISPLAY;
2887 }
2888 }
2889
2890 new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
2891 persistent_group, automatic, join,
2892 auth, go_intent, freq, persistent_id);
2893 if (new_pin == -2) {
2894 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
2895 return 25;
2896 }
2897 if (new_pin == -3) {
2898 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
2899 return 25;
2900 }
2901 if (new_pin < 0)
2902 return -1;
2903 if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
2904 ret = os_snprintf(buf, buflen, "%08d", new_pin);
2905 if (ret < 0 || (size_t) ret >= buflen)
2906 return -1;
2907 return ret;
2908 }
2909
2910 os_memcpy(buf, "OK\n", 3);
2911 return 3;
2912 }
2913
2914
2915 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
2916 {
2917 unsigned int timeout = atoi(cmd);
2918 return wpas_p2p_listen(wpa_s, timeout);
2919 }
2920
2921
2922 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
2923 {
2924 u8 addr[ETH_ALEN];
2925 char *pos;
2926 enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
2927
2928 /* <addr> <config method> [join|auto] */
2929
2930 if (hwaddr_aton(cmd, addr))
2931 return -1;
2932
2933 pos = cmd + 17;
2934 if (*pos != ' ')
2935 return -1;
2936 pos++;
2937
2938 if (os_strstr(pos, " join") != NULL)
2939 use = WPAS_P2P_PD_FOR_JOIN;
2940 else if (os_strstr(pos, " auto") != NULL)
2941 use = WPAS_P2P_PD_AUTO;
2942
2943 return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
2944 }
2945
2946
2947 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
2948 size_t buflen)
2949 {
2950 struct wpa_ssid *ssid = wpa_s->current_ssid;
2951
2952 if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
2953 ssid->passphrase == NULL)
2954 return -1;
2955
2956 os_strlcpy(buf, ssid->passphrase, buflen);
2957 return os_strlen(buf);
2958 }
2959
2960
2961 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
2962 char *buf, size_t buflen)
2963 {
2964 u64 ref;
2965 int res;
2966 u8 dst_buf[ETH_ALEN], *dst;
2967 struct wpabuf *tlvs;
2968 char *pos;
2969 size_t len;
2970
2971 if (hwaddr_aton(cmd, dst_buf))
2972 return -1;
2973 dst = dst_buf;
2974 if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
2975 dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
2976 dst = NULL;
2977 pos = cmd + 17;
2978 if (*pos != ' ')
2979 return -1;
2980 pos++;
2981
2982 if (os_strncmp(pos, "upnp ", 5) == 0) {
2983 u8 version;
2984 pos += 5;
2985 if (hexstr2bin(pos, &version, 1) < 0)
2986 return -1;
2987 pos += 2;
2988 if (*pos != ' ')
2989 return -1;
2990 pos++;
2991 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
2992 } else {
2993 len = os_strlen(pos);
2994 if (len & 1)
2995 return -1;
2996 len /= 2;
2997 tlvs = wpabuf_alloc(len);
2998 if (tlvs == NULL)
2999 return -1;
3000 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
3001 wpabuf_free(tlvs);
3002 return -1;
3003 }
3004
3005 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
3006 wpabuf_free(tlvs);
3007 }
3008 if (ref == 0)
3009 return -1;
3010 res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
3011 if (res < 0 || (unsigned) res >= buflen)
3012 return -1;
3013 return res;
3014 }
3015
3016
3017 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
3018 char *cmd)
3019 {
3020 long long unsigned val;
3021 u64 req;
3022 if (sscanf(cmd, "%llx", &val) != 1)
3023 return -1;
3024 req = val;
3025 return wpas_p2p_sd_cancel_request(wpa_s, req);
3026 }
3027
3028
3029 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
3030 {
3031 int freq;
3032 u8 dst[ETH_ALEN];
3033 u8 dialog_token;
3034 struct wpabuf *resp_tlvs;
3035 char *pos, *pos2;
3036 size_t len;
3037
3038 pos = os_strchr(cmd, ' ');
3039 if (pos == NULL)
3040 return -1;
3041 *pos++ = '\0';
3042 freq = atoi(cmd);
3043 if (freq == 0)
3044 return -1;
3045
3046 if (hwaddr_aton(pos, dst))
3047 return -1;
3048 pos += 17;
3049 if (*pos != ' ')
3050 return -1;
3051 pos++;
3052
3053 pos2 = os_strchr(pos, ' ');
3054 if (pos2 == NULL)
3055 return -1;
3056 *pos2++ = '\0';
3057 dialog_token = atoi(pos);
3058
3059 len = os_strlen(pos2);
3060 if (len & 1)
3061 return -1;
3062 len /= 2;
3063 resp_tlvs = wpabuf_alloc(len);
3064 if (resp_tlvs == NULL)
3065 return -1;
3066 if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
3067 wpabuf_free(resp_tlvs);
3068 return -1;
3069 }
3070
3071 wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
3072 wpabuf_free(resp_tlvs);
3073 return 0;
3074 }
3075
3076
3077 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
3078 char *cmd)
3079 {
3080 if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
3081 return -1;
3082 wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
3083 return 0;
3084 }
3085
3086
3087 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
3088 char *cmd)
3089 {
3090 char *pos;
3091 size_t len;
3092 struct wpabuf *query, *resp;
3093
3094 pos = os_strchr(cmd, ' ');
3095 if (pos == NULL)
3096 return -1;
3097 *pos++ = '\0';
3098
3099 len = os_strlen(cmd);
3100 if (len & 1)
3101 return -1;
3102 len /= 2;
3103 query = wpabuf_alloc(len);
3104 if (query == NULL)
3105 return -1;
3106 if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3107 wpabuf_free(query);
3108 return -1;
3109 }
3110
3111 len = os_strlen(pos);
3112 if (len & 1) {
3113 wpabuf_free(query);
3114 return -1;
3115 }
3116 len /= 2;
3117 resp = wpabuf_alloc(len);
3118 if (resp == NULL) {
3119 wpabuf_free(query);
3120 return -1;
3121 }
3122 if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
3123 wpabuf_free(query);
3124 wpabuf_free(resp);
3125 return -1;
3126 }
3127
3128 if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
3129 wpabuf_free(query);
3130 wpabuf_free(resp);
3131 return -1;
3132 }
3133 return 0;
3134 }
3135
3136
3137 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3138 {
3139 char *pos;
3140 u8 version;
3141
3142 pos = os_strchr(cmd, ' ');
3143 if (pos == NULL)
3144 return -1;
3145 *pos++ = '\0';
3146
3147 if (hexstr2bin(cmd, &version, 1) < 0)
3148 return -1;
3149
3150 return wpas_p2p_service_add_upnp(wpa_s, version, pos);
3151 }
3152
3153
3154 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
3155 {
3156 char *pos;
3157
3158 pos = os_strchr(cmd, ' ');
3159 if (pos == NULL)
3160 return -1;
3161 *pos++ = '\0';
3162
3163 if (os_strcmp(cmd, "bonjour") == 0)
3164 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
3165 if (os_strcmp(cmd, "upnp") == 0)
3166 return p2p_ctrl_service_add_upnp(wpa_s, pos);
3167 wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3168 return -1;
3169 }
3170
3171
3172 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
3173 char *cmd)
3174 {
3175 size_t len;
3176 struct wpabuf *query;
3177 int ret;
3178
3179 len = os_strlen(cmd);
3180 if (len & 1)
3181 return -1;
3182 len /= 2;
3183 query = wpabuf_alloc(len);
3184 if (query == NULL)
3185 return -1;
3186 if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3187 wpabuf_free(query);
3188 return -1;
3189 }
3190
3191 ret = wpas_p2p_service_del_bonjour(wpa_s, query);
3192 wpabuf_free(query);
3193 return ret;
3194 }
3195
3196
3197 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3198 {
3199 char *pos;
3200 u8 version;
3201
3202 pos = os_strchr(cmd, ' ');
3203 if (pos == NULL)
3204 return -1;
3205 *pos++ = '\0';
3206
3207 if (hexstr2bin(cmd, &version, 1) < 0)
3208 return -1;
3209
3210 return wpas_p2p_service_del_upnp(wpa_s, version, pos);
3211 }
3212
3213
3214 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
3215 {
3216 char *pos;
3217
3218 pos = os_strchr(cmd, ' ');
3219 if (pos == NULL)
3220 return -1;
3221 *pos++ = '\0';
3222
3223 if (os_strcmp(cmd, "bonjour") == 0)
3224 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
3225 if (os_strcmp(cmd, "upnp") == 0)
3226 return p2p_ctrl_service_del_upnp(wpa_s, pos);
3227 wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3228 return -1;
3229 }
3230
3231
3232 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
3233 {
3234 u8 addr[ETH_ALEN];
3235
3236 /* <addr> */
3237
3238 if (hwaddr_aton(cmd, addr))
3239 return -1;
3240
3241 return wpas_p2p_reject(wpa_s, addr);
3242 }
3243
3244
3245 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
3246 {
3247 char *pos;
3248 int id;
3249 struct wpa_ssid *ssid;
3250 u8 peer[ETH_ALEN];
3251
3252 id = atoi(cmd);
3253 pos = os_strstr(cmd, " peer=");
3254 if (pos) {
3255 pos += 6;
3256 if (hwaddr_aton(pos, peer))
3257 return -1;
3258 }
3259 ssid = wpa_config_get_network(wpa_s->conf, id);
3260 if (ssid == NULL || ssid->disabled != 2) {
3261 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
3262 "for persistent P2P group",
3263 id);
3264 return -1;
3265 }
3266
3267 return wpas_p2p_invite(wpa_s, pos ? peer : NULL, ssid, NULL);
3268 }
3269
3270
3271 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
3272 {
3273 char *pos;
3274 u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
3275
3276 pos = os_strstr(cmd, " peer=");
3277 if (!pos)
3278 return -1;
3279
3280 *pos = '\0';
3281 pos += 6;
3282 if (hwaddr_aton(pos, peer)) {
3283 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
3284 return -1;
3285 }
3286
3287 pos = os_strstr(pos, " go_dev_addr=");
3288 if (pos) {
3289 pos += 13;
3290 if (hwaddr_aton(pos, go_dev_addr)) {
3291 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
3292 pos);
3293 return -1;
3294 }
3295 go_dev = go_dev_addr;
3296 }
3297
3298 return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
3299 }
3300
3301
3302 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
3303 {
3304 if (os_strncmp(cmd, "persistent=", 11) == 0)
3305 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
3306 if (os_strncmp(cmd, "group=", 6) == 0)
3307 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
3308
3309 return -1;
3310 }
3311
3312
3313 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
3314 char *cmd, int freq)
3315 {
3316 int id;
3317 struct wpa_ssid *ssid;
3318
3319 id = atoi(cmd);
3320 ssid = wpa_config_get_network(wpa_s->conf, id);
3321 if (ssid == NULL || ssid->disabled != 2) {
3322 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
3323 "for persistent P2P group",
3324 id);
3325 return -1;
3326 }
3327
3328 return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq);
3329 }
3330
3331
3332 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
3333 {
3334 int freq = 0;
3335 char *pos;
3336
3337 pos = os_strstr(cmd, "freq=");
3338 if (pos)
3339 freq = atoi(pos + 5);
3340
3341 if (os_strncmp(cmd, "persistent=", 11) == 0)
3342 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq);
3343 if (os_strcmp(cmd, "persistent") == 0 ||
3344 os_strncmp(cmd, "persistent ", 11) == 0)
3345 return wpas_p2p_group_add(wpa_s, 1, freq);
3346 if (os_strncmp(cmd, "freq=", 5) == 0)
3347 return wpas_p2p_group_add(wpa_s, 0, freq);
3348
3349 wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
3350 cmd);
3351 return -1;
3352 }
3353
3354
3355 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
3356 char *buf, size_t buflen)
3357 {
3358 u8 addr[ETH_ALEN], *addr_ptr;
3359 int next, res;
3360 const struct p2p_peer_info *info;
3361 char *pos, *end;
3362 char devtype[WPS_DEV_TYPE_BUFSIZE];
3363 struct wpa_ssid *ssid;
3364
3365 if (!wpa_s->global->p2p)
3366 return -1;
3367
3368 if (os_strcmp(cmd, "FIRST") == 0) {
3369 addr_ptr = NULL;
3370 next = 0;
3371 } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3372 if (hwaddr_aton(cmd + 5, addr) < 0)
3373 return -1;
3374 addr_ptr = addr;
3375 next = 1;
3376 } else {
3377 if (hwaddr_aton(cmd, addr) < 0)
3378 return -1;
3379 addr_ptr = addr;
3380 next = 0;
3381 }
3382
3383 info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
3384 if (info == NULL)
3385 return -1;
3386
3387 pos = buf;
3388 end = buf + buflen;
3389
3390 res = os_snprintf(pos, end - pos, MACSTR "\n"
3391 "pri_dev_type=%s\n"
3392 "device_name=%s\n"
3393 "manufacturer=%s\n"
3394 "model_name=%s\n"
3395 "model_number=%s\n"
3396 "serial_number=%s\n"
3397 "config_methods=0x%x\n"
3398 "dev_capab=0x%x\n"
3399 "group_capab=0x%x\n"
3400 "level=%d\n",
3401 MAC2STR(info->p2p_device_addr),
3402 wps_dev_type_bin2str(info->pri_dev_type,
3403 devtype, sizeof(devtype)),
3404 info->device_name,
3405 info->manufacturer,
3406 info->model_name,
3407 info->model_number,
3408 info->serial_number,
3409 info->config_methods,
3410 info->dev_capab,
3411 info->group_capab,
3412 info->level);
3413 if (res < 0 || res >= end - pos)
3414 return pos - buf;
3415 pos += res;
3416
3417 ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
3418 if (ssid) {
3419 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
3420 if (res < 0 || res >= end - pos)
3421 return pos - buf;
3422 pos += res;
3423 }
3424
3425 res = p2p_get_peer_info_txt(info, pos, end - pos);
3426 if (res < 0)
3427 return pos - buf;
3428 pos += res;
3429
3430 return pos - buf;
3431 }
3432
3433
3434 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
3435 const char *param)
3436 {
3437 struct wpa_freq_range *freq = NULL, *n;
3438 unsigned int count = 0, i;
3439 const char *pos, *pos2, *pos3;
3440
3441 if (wpa_s->global->p2p == NULL)
3442 return -1;
3443
3444 /*
3445 * param includes comma separated frequency range.
3446 * For example: 2412-2432,2462,5000-6000
3447 */
3448 pos = param;
3449 while (pos && pos[0]) {
3450 n = os_realloc(freq,
3451 (count + 1) * sizeof(struct wpa_freq_range));
3452 if (n == NULL) {
3453 os_free(freq);
3454 return -1;
3455 }
3456 freq = n;
3457 freq[count].min = atoi(pos);
3458 pos2 = os_strchr(pos, '-');
3459 pos3 = os_strchr(pos, ',');
3460 if (pos2 && (!pos3 || pos2 < pos3)) {
3461 pos2++;
3462 freq[count].max = atoi(pos2);
3463 } else
3464 freq[count].max = freq[count].min;
3465 pos = pos3;
3466 if (pos)
3467 pos++;
3468 count++;
3469 }
3470
3471 for (i = 0; i < count; i++) {
3472 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
3473 freq[i].min, freq[i].max);
3474 }
3475
3476 os_free(wpa_s->global->p2p_disallow_freq);
3477 wpa_s->global->p2p_disallow_freq = freq;
3478 wpa_s->global->num_p2p_disallow_freq = count;
3479 wpas_p2p_update_channel_list(wpa_s);
3480 return 0;
3481 }
3482
3483
3484 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
3485 {
3486 char *param;
3487
3488 if (wpa_s->global->p2p == NULL)
3489 return -1;
3490
3491 param = os_strchr(cmd, ' ');
3492 if (param == NULL)
3493 return -1;
3494 *param++ = '\0';
3495
3496 if (os_strcmp(cmd, "discoverability") == 0) {
3497 p2p_set_client_discoverability(wpa_s->global->p2p,
3498 atoi(param));
3499 return 0;
3500 }
3501
3502 if (os_strcmp(cmd, "managed") == 0) {
3503 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
3504 return 0;
3505 }
3506
3507 if (os_strcmp(cmd, "listen_channel") == 0) {
3508 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
3509 atoi(param));
3510 }
3511
3512 if (os_strcmp(cmd, "ssid_postfix") == 0) {
3513 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
3514 os_strlen(param));
3515 }
3516
3517 if (os_strcmp(cmd, "noa") == 0) {
3518 char *pos;
3519 int count, start, duration;
3520 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
3521 count = atoi(param);
3522 pos = os_strchr(param, ',');
3523 if (pos == NULL)
3524 return -1;
3525 pos++;
3526 start = atoi(pos);
3527 pos = os_strchr(pos, ',');
3528 if (pos == NULL)
3529 return -1;
3530 pos++;
3531 duration = atoi(pos);
3532 if (count < 0 || count > 255 || start < 0 || duration < 0)
3533 return -1;
3534 if (count == 0 && duration > 0)
3535 return -1;
3536 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
3537 "start=%d duration=%d", count, start, duration);
3538 return wpas_p2p_set_noa(wpa_s, count, start, duration);
3539 }
3540
3541 if (os_strcmp(cmd, "ps") == 0)
3542 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
3543
3544 if (os_strcmp(cmd, "oppps") == 0)
3545 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
3546
3547 if (os_strcmp(cmd, "ctwindow") == 0)
3548 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
3549
3550 if (os_strcmp(cmd, "disabled") == 0) {
3551 wpa_s->global->p2p_disabled = atoi(param);
3552 wpa_printf(MSG_DEBUG, "P2P functionality %s",
3553 wpa_s->global->p2p_disabled ?
3554 "disabled" : "enabled");
3555 if (wpa_s->global->p2p_disabled) {
3556 wpas_p2p_stop_find(wpa_s);
3557 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
3558 p2p_flush(wpa_s->global->p2p);
3559 }
3560 return 0;
3561 }
3562
3563 if (os_strcmp(cmd, "force_long_sd") == 0) {
3564 wpa_s->force_long_sd = atoi(param);
3565 return 0;
3566 }
3567
3568 if (os_strcmp(cmd, "peer_filter") == 0) {
3569 u8 addr[ETH_ALEN];
3570 if (hwaddr_aton(param, addr))
3571 return -1;
3572 p2p_set_peer_filter(wpa_s->global->p2p, addr);
3573 return 0;
3574 }
3575
3576 if (os_strcmp(cmd, "cross_connect") == 0)
3577 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
3578
3579 if (os_strcmp(cmd, "go_apsd") == 0) {
3580 if (os_strcmp(param, "disable") == 0)
3581 wpa_s->set_ap_uapsd = 0;
3582 else {
3583 wpa_s->set_ap_uapsd = 1;
3584 wpa_s->ap_uapsd = atoi(param);
3585 }
3586 return 0;
3587 }
3588
3589 if (os_strcmp(cmd, "client_apsd") == 0) {
3590 if (os_strcmp(param, "disable") == 0)
3591 wpa_s->set_sta_uapsd = 0;
3592 else {
3593 int be, bk, vi, vo;
3594 char *pos;
3595 /* format: BE,BK,VI,VO;max SP Length */
3596 be = atoi(param);
3597 pos = os_strchr(param, ',');
3598 if (pos == NULL)
3599 return -1;
3600 pos++;
3601 bk = atoi(pos);
3602 pos = os_strchr(pos, ',');
3603 if (pos == NULL)
3604 return -1;
3605 pos++;
3606 vi = atoi(pos);
3607 pos = os_strchr(pos, ',');
3608 if (pos == NULL)
3609 return -1;
3610 pos++;
3611 vo = atoi(pos);
3612 /* ignore max SP Length for now */
3613
3614 wpa_s->set_sta_uapsd = 1;
3615 wpa_s->sta_uapsd = 0;
3616 if (be)
3617 wpa_s->sta_uapsd |= BIT(0);
3618 if (bk)
3619 wpa_s->sta_uapsd |= BIT(1);
3620 if (vi)
3621 wpa_s->sta_uapsd |= BIT(2);
3622 if (vo)
3623 wpa_s->sta_uapsd |= BIT(3);
3624 }
3625 return 0;
3626 }
3627
3628 if (os_strcmp(cmd, "disallow_freq") == 0)
3629 return p2p_ctrl_disallow_freq(wpa_s, param);
3630
3631 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
3632 cmd);
3633
3634 return -1;
3635 }
3636
3637
3638 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
3639 {
3640 char *pos, *pos2;
3641 unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
3642
3643 if (cmd[0]) {
3644 pos = os_strchr(cmd, ' ');
3645 if (pos == NULL)
3646 return -1;
3647 *pos++ = '\0';
3648 dur1 = atoi(cmd);
3649
3650 pos2 = os_strchr(pos, ' ');
3651 if (pos2)
3652 *pos2++ = '\0';
3653 int1 = atoi(pos);
3654 } else
3655 pos2 = NULL;
3656
3657 if (pos2) {
3658 pos = os_strchr(pos2, ' ');
3659 if (pos == NULL)
3660 return -1;
3661 *pos++ = '\0';
3662 dur2 = atoi(pos2);
3663 int2 = atoi(pos);
3664 }
3665
3666 return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
3667 }
3668
3669
3670 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
3671 {
3672 char *pos;
3673 unsigned int period = 0, interval = 0;
3674
3675 if (cmd[0]) {
3676 pos = os_strchr(cmd, ' ');
3677 if (pos == NULL)
3678 return -1;
3679 *pos++ = '\0';
3680 period = atoi(cmd);
3681 interval = atoi(pos);
3682 }
3683
3684 return wpas_p2p_ext_listen(wpa_s, period, interval);
3685 }
3686
3687 #endif /* CONFIG_P2P */
3688
3689
3690 #ifdef CONFIG_INTERWORKING
3691 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
3692 {
3693 u8 bssid[ETH_ALEN];
3694 struct wpa_bss *bss;
3695
3696 if (hwaddr_aton(dst, bssid)) {
3697 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
3698 return -1;
3699 }
3700
3701 bss = wpa_bss_get_bssid(wpa_s, bssid);
3702 if (bss == NULL) {
3703 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
3704 MAC2STR(bssid));
3705 return -1;
3706 }
3707
3708 return interworking_connect(wpa_s, bss);
3709 }
3710
3711
3712 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
3713 {
3714 u8 dst_addr[ETH_ALEN];
3715 int used;
3716 char *pos;
3717 #define MAX_ANQP_INFO_ID 100
3718 u16 id[MAX_ANQP_INFO_ID];
3719 size_t num_id = 0;
3720
3721 used = hwaddr_aton2(dst, dst_addr);
3722 if (used < 0)
3723 return -1;
3724 pos = dst + used;
3725 while (num_id < MAX_ANQP_INFO_ID) {
3726 id[num_id] = atoi(pos);
3727 if (id[num_id])
3728 num_id++;
3729 pos = os_strchr(pos + 1, ',');
3730 if (pos == NULL)
3731 break;
3732 pos++;
3733 }
3734
3735 if (num_id == 0)
3736 return -1;
3737
3738 return anqp_send_req(wpa_s, dst_addr, id, num_id);
3739 }
3740 #endif /* CONFIG_INTERWORKING */
3741
3742
3743 #ifdef CONFIG_HS20
3744
3745 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
3746 {
3747 u8 dst_addr[ETH_ALEN];
3748 int used;
3749 char *pos;
3750 u32 subtypes = 0;
3751
3752 used = hwaddr_aton2(dst, dst_addr);
3753 if (used < 0)
3754 return -1;
3755 pos = dst + used;
3756 for (;;) {
3757 int num = atoi(pos);
3758 if (num <= 0 || num > 31)
3759 return -1;
3760 subtypes |= BIT(num);
3761 pos = os_strchr(pos + 1, ',');
3762 if (pos == NULL)
3763 break;
3764 pos++;
3765 }
3766
3767 if (subtypes == 0)
3768 return -1;
3769
3770 return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
3771 }
3772
3773
3774 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
3775 const u8 *addr, const char *realm)
3776 {
3777 u8 *buf;
3778 size_t rlen, len;
3779 int ret;
3780
3781 rlen = os_strlen(realm);
3782 len = 3 + rlen;
3783 buf = os_malloc(len);
3784 if (buf == NULL)
3785 return -1;
3786 buf[0] = 1; /* NAI Home Realm Count */
3787 buf[1] = 0; /* Formatted in accordance with RFC 4282 */
3788 buf[2] = rlen;
3789 os_memcpy(buf + 3, realm, rlen);
3790
3791 ret = hs20_anqp_send_req(wpa_s, addr,
3792 BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
3793 buf, len);
3794
3795 os_free(buf);
3796
3797 return ret;
3798 }
3799
3800
3801 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
3802 char *dst)
3803 {
3804 struct wpa_cred *cred = wpa_s->conf->cred;
3805 u8 dst_addr[ETH_ALEN];
3806 int used;
3807 u8 *buf;
3808 size_t len;
3809 int ret;
3810
3811 used = hwaddr_aton2(dst, dst_addr);
3812 if (used < 0)
3813 return -1;
3814
3815 while (dst[used] == ' ')
3816 used++;
3817 if (os_strncmp(dst + used, "realm=", 6) == 0)
3818 return hs20_nai_home_realm_list(wpa_s, dst_addr,
3819 dst + used + 6);
3820
3821 len = os_strlen(dst + used);
3822
3823 if (len == 0 && cred && cred->realm)
3824 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
3825
3826 if (len % 1)
3827 return -1;
3828 len /= 2;
3829 buf = os_malloc(len);
3830 if (buf == NULL)
3831 return -1;
3832 if (hexstr2bin(dst + used, buf, len) < 0) {
3833 os_free(buf);
3834 return -1;
3835 }
3836
3837 ret = hs20_anqp_send_req(wpa_s, dst_addr,
3838 BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
3839 buf, len);
3840 os_free(buf);
3841
3842 return ret;
3843 }
3844
3845 #endif /* CONFIG_HS20 */
3846
3847
3848 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
3849 struct wpa_supplicant *wpa_s, char *cmd)
3850 {
3851 wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
3852 return 0;
3853 }
3854
3855
3856 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
3857 size_t buflen)
3858 {
3859 struct wpa_signal_info si;
3860 int ret;
3861
3862 ret = wpa_drv_signal_poll(wpa_s, &si);
3863 if (ret)
3864 return -1;
3865
3866 ret = os_snprintf(buf, buflen, "RSSI=%d\nLINKSPEED=%d\n"
3867 "NOISE=%d\nFREQUENCY=%u\n",
3868 si.current_signal, si.current_txrate / 1000,
3869 si.current_noise, si.frequency);
3870 if (ret < 0 || (unsigned int) ret > buflen)
3871 return -1;
3872 return ret;
3873 }
3874
3875
3876 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
3877 char *buf, size_t *resp_len)
3878 {
3879 char *reply;
3880 const int reply_size = 4096;
3881 int ctrl_rsp = 0;
3882 int reply_len;
3883
3884 if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
3885 os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
3886 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
3887 (const u8 *) buf, os_strlen(buf));
3888 } else {
3889 int level = MSG_DEBUG;
3890 if (os_strcmp(buf, "PING") == 0)
3891 level = MSG_EXCESSIVE;
3892 wpa_hexdump_ascii(level, "RX ctrl_iface",
3893 (const u8 *) buf, os_strlen(buf));
3894 }
3895
3896 reply = os_malloc(reply_size);
3897 if (reply == NULL) {
3898 *resp_len = 1;
3899 return NULL;
3900 }
3901
3902 os_memcpy(reply, "OK\n", 3);
3903 reply_len = 3;
3904
3905 if (os_strcmp(buf, "PING") == 0) {
3906 os_memcpy(reply, "PONG\n", 5);
3907 reply_len = 5;
3908 } else if (os_strncmp(buf, "RELOG", 5) == 0) {
3909 if (wpa_debug_reopen_file() < 0)
3910 reply_len = -1;
3911 } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
3912 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
3913 } else if (os_strcmp(buf, "MIB") == 0) {
3914 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
3915 if (reply_len >= 0) {
3916 int res;
3917 res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
3918 reply_size - reply_len);
3919 if (res < 0)
3920 reply_len = -1;
3921 else
3922 reply_len += res;
3923 }
3924 } else if (os_strncmp(buf, "STATUS", 6) == 0) {
3925 reply_len = wpa_supplicant_ctrl_iface_status(
3926 wpa_s, buf + 6, reply, reply_size);
3927 } else if (os_strcmp(buf, "PMKSA") == 0) {
3928 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
3929 reply_size);
3930 } else if (os_strncmp(buf, "SET ", 4) == 0) {
3931 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
3932 reply_len = -1;
3933 } else if (os_strncmp(buf, "GET ", 4) == 0) {
3934 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
3935 reply, reply_size);
3936 } else if (os_strcmp(buf, "LOGON") == 0) {
3937 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
3938 } else if (os_strcmp(buf, "LOGOFF") == 0) {
3939 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
3940 } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
3941 wpa_s->normal_scans = 0;
3942 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
3943 reply_len = -1;
3944 else {
3945 wpa_s->disconnected = 0;
3946 wpa_s->reassociate = 1;
3947 wpa_supplicant_req_scan(wpa_s, 0, 0);
3948 }
3949 } else if (os_strcmp(buf, "RECONNECT") == 0) {
3950 wpa_s->normal_scans = 0;
3951 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
3952 reply_len = -1;
3953 else if (wpa_s->disconnected) {
3954 wpa_s->disconnected = 0;
3955 wpa_s->reassociate = 1;
3956 wpa_supplicant_req_scan(wpa_s, 0, 0);
3957 }
3958 #ifdef IEEE8021X_EAPOL
3959 } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
3960 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
3961 reply_len = -1;
3962 #endif /* IEEE8021X_EAPOL */
3963 #ifdef CONFIG_PEERKEY
3964 } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
3965 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
3966 reply_len = -1;
3967 #endif /* CONFIG_PEERKEY */
3968 #ifdef CONFIG_IEEE80211R
3969 } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
3970 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
3971 reply_len = -1;
3972 #endif /* CONFIG_IEEE80211R */
3973 #ifdef CONFIG_WPS
3974 } else if (os_strcmp(buf, "WPS_PBC") == 0) {
3975 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
3976 if (res == -2) {
3977 os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
3978 reply_len = 17;
3979 } else if (res)
3980 reply_len = -1;
3981 } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
3982 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
3983 if (res == -2) {
3984 os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
3985 reply_len = 17;
3986 } else if (res)
3987 reply_len = -1;
3988 } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
3989 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
3990 reply,
3991 reply_size);
3992 } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
3993 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
3994 wpa_s, buf + 14, reply, reply_size);
3995 } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
3996 if (wpas_wps_cancel(wpa_s))
3997 reply_len = -1;
3998 #ifdef CONFIG_WPS_OOB
3999 } else if (os_strncmp(buf, "WPS_OOB ", 8) == 0) {
4000 if (wpa_supplicant_ctrl_iface_wps_oob(wpa_s, buf + 8))
4001 reply_len = -1;
4002 #endif /* CONFIG_WPS_OOB */
4003 } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
4004 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
4005 reply_len = -1;
4006 #ifdef CONFIG_AP
4007 } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
4008 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
4009 wpa_s, buf + 11, reply, reply_size);
4010 #endif /* CONFIG_AP */
4011 #ifdef CONFIG_WPS_ER
4012 } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
4013 if (wpas_wps_er_start(wpa_s, NULL))
4014 reply_len = -1;
4015 } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
4016 if (wpas_wps_er_start(wpa_s, buf + 13))
4017 reply_len = -1;
4018 } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
4019 if (wpas_wps_er_stop(wpa_s))
4020 reply_len = -1;
4021 } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
4022 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
4023 reply_len = -1;
4024 } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
4025 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
4026 if (ret == -2) {
4027 os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4028 reply_len = 17;
4029 } else if (ret == -3) {
4030 os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
4031 reply_len = 18;
4032 } else if (ret == -4) {
4033 os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
4034 reply_len = 20;
4035 } else if (ret)
4036 reply_len = -1;
4037 } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
4038 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
4039 reply_len = -1;
4040 } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
4041 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
4042 buf + 18))
4043 reply_len = -1;
4044 } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
4045 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
4046 reply_len = -1;
4047 #endif /* CONFIG_WPS_ER */
4048 #endif /* CONFIG_WPS */
4049 #ifdef CONFIG_IBSS_RSN
4050 } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
4051 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
4052 reply_len = -1;
4053 #endif /* CONFIG_IBSS_RSN */
4054 #ifdef CONFIG_P2P
4055 } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
4056 if (p2p_ctrl_find(wpa_s, buf + 9))
4057 reply_len = -1;
4058 } else if (os_strcmp(buf, "P2P_FIND") == 0) {
4059 if (p2p_ctrl_find(wpa_s, ""))
4060 reply_len = -1;
4061 } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
4062 wpas_p2p_stop_find(wpa_s);
4063 } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
4064 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
4065 reply_size);
4066 } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
4067 if (p2p_ctrl_listen(wpa_s, buf + 11))
4068 reply_len = -1;
4069 } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
4070 if (p2p_ctrl_listen(wpa_s, ""))
4071 reply_len = -1;
4072 } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
4073 if (wpas_p2p_group_remove(wpa_s, buf + 17))
4074 reply_len = -1;
4075 } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
4076 if (wpas_p2p_group_add(wpa_s, 0, 0))
4077 reply_len = -1;
4078 } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
4079 if (p2p_ctrl_group_add(wpa_s, buf + 14))
4080 reply_len = -1;
4081 } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
4082 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
4083 reply_len = -1;
4084 } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
4085 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
4086 } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
4087 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
4088 reply_size);
4089 } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
4090 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
4091 reply_len = -1;
4092 } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
4093 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
4094 reply_len = -1;
4095 } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
4096 wpas_p2p_sd_service_update(wpa_s);
4097 } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
4098 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
4099 reply_len = -1;
4100 } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
4101 wpas_p2p_service_flush(wpa_s);
4102 } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
4103 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
4104 reply_len = -1;
4105 } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
4106 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
4107 reply_len = -1;
4108 } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
4109 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
4110 reply_len = -1;
4111 } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
4112 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
4113 reply_len = -1;
4114 } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
4115 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
4116 reply_size);
4117 } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
4118 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
4119 reply_len = -1;
4120 } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
4121 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4122 wpa_s->force_long_sd = 0;
4123 if (wpa_s->global->p2p)
4124 p2p_flush(wpa_s->global->p2p);
4125 } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
4126 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
4127 reply_len = -1;
4128 } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
4129 if (wpas_p2p_cancel(wpa_s))
4130 reply_len = -1;
4131 } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
4132 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
4133 reply_len = -1;
4134 } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
4135 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
4136 reply_len = -1;
4137 } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
4138 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
4139 reply_len = -1;
4140 } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
4141 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
4142 reply_len = -1;
4143 #endif /* CONFIG_P2P */
4144 #ifdef CONFIG_INTERWORKING
4145 } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
4146 if (interworking_fetch_anqp(wpa_s) < 0)
4147 reply_len = -1;
4148 } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
4149 interworking_stop_fetch_anqp(wpa_s);
4150 } else if (os_strncmp(buf, "INTERWORKING_SELECT", 19) == 0) {
4151 if (interworking_select(wpa_s, os_strstr(buf + 19, "auto") !=
4152 NULL) < 0)
4153 reply_len = -1;
4154 } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
4155 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
4156 reply_len = -1;
4157 } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
4158 if (get_anqp(wpa_s, buf + 9) < 0)
4159 reply_len = -1;
4160 #endif /* CONFIG_INTERWORKING */
4161 #ifdef CONFIG_HS20
4162 } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
4163 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
4164 reply_len = -1;
4165 } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
4166 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
4167 reply_len = -1;
4168 #endif /* CONFIG_HS20 */
4169 } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
4170 {
4171 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
4172 wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
4173 reply_len = -1;
4174 else
4175 ctrl_rsp = 1;
4176 } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
4177 if (wpa_supplicant_reload_configuration(wpa_s))
4178 reply_len = -1;
4179 } else if (os_strcmp(buf, "TERMINATE") == 0) {
4180 wpa_supplicant_terminate_proc(wpa_s->global);
4181 } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
4182 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
4183 reply_len = -1;
4184 } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
4185 reply_len = wpa_supplicant_ctrl_iface_blacklist(
4186 wpa_s, buf + 9, reply, reply_size);
4187 } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
4188 reply_len = wpa_supplicant_ctrl_iface_log_level(
4189 wpa_s, buf + 9, reply, reply_size);
4190 } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
4191 reply_len = wpa_supplicant_ctrl_iface_list_networks(
4192 wpa_s, reply, reply_size);
4193 } else if (os_strcmp(buf, "DISCONNECT") == 0) {
4194 #ifdef CONFIG_SME
4195 wpa_s->sme.prev_bssid_set = 0;
4196 #endif /* CONFIG_SME */
4197 wpa_s->reassociate = 0;
4198 wpa_s->disconnected = 1;
4199 wpa_supplicant_cancel_sched_scan(wpa_s);
4200 wpa_supplicant_deauthenticate(wpa_s,
4201 WLAN_REASON_DEAUTH_LEAVING);
4202 } else if (os_strcmp(buf, "SCAN") == 0) {
4203 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4204 reply_len = -1;
4205 else {
4206 if (!wpa_s->scanning &&
4207 ((wpa_s->wpa_state <= WPA_SCANNING) ||
4208 (wpa_s->wpa_state == WPA_COMPLETED))) {
4209 wpa_s->normal_scans = 0;
4210 wpa_s->scan_req = 2;
4211 wpa_supplicant_req_scan(wpa_s, 0, 0);
4212 } else if (wpa_s->sched_scanning) {
4213 wpa_printf(MSG_DEBUG, "Stop ongoing "
4214 "sched_scan to allow requested "
4215 "full scan to proceed");
4216 wpa_supplicant_cancel_sched_scan(wpa_s);
4217 wpa_s->scan_req = 2;
4218 wpa_supplicant_req_scan(wpa_s, 0, 0);
4219 } else {
4220 wpa_printf(MSG_DEBUG, "Ongoing scan action - "
4221 "reject new request");
4222 reply_len = os_snprintf(reply, reply_size,
4223 "FAIL-BUSY\n");
4224 }
4225 }
4226 } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
4227 reply_len = wpa_supplicant_ctrl_iface_scan_results(
4228 wpa_s, reply, reply_size);
4229 } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
4230 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
4231 reply_len = -1;
4232 } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
4233 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
4234 reply_len = -1;
4235 } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
4236 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
4237 reply_len = -1;
4238 } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
4239 reply_len = wpa_supplicant_ctrl_iface_add_network(
4240 wpa_s, reply, reply_size);
4241 } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
4242 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
4243 reply_len = -1;
4244 } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
4245 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
4246 reply_len = -1;
4247 } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
4248 reply_len = wpa_supplicant_ctrl_iface_get_network(
4249 wpa_s, buf + 12, reply, reply_size);
4250 } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
4251 reply_len = wpa_supplicant_ctrl_iface_list_creds(
4252 wpa_s, reply, reply_size);
4253 } else if (os_strcmp(buf, "ADD_CRED") == 0) {
4254 reply_len = wpa_supplicant_ctrl_iface_add_cred(
4255 wpa_s, reply, reply_size);
4256 } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
4257 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
4258 reply_len = -1;
4259 } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
4260 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
4261 reply_len = -1;
4262 #ifndef CONFIG_NO_CONFIG_WRITE
4263 } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
4264 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
4265 reply_len = -1;
4266 #endif /* CONFIG_NO_CONFIG_WRITE */
4267 } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
4268 reply_len = wpa_supplicant_ctrl_iface_get_capability(
4269 wpa_s, buf + 15, reply, reply_size);
4270 } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
4271 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
4272 reply_len = -1;
4273 } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
4274 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
4275 reply_len = -1;
4276 } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
4277 reply_len = wpa_supplicant_global_iface_list(
4278 wpa_s->global, reply, reply_size);
4279 } else if (os_strcmp(buf, "INTERFACES") == 0) {
4280 reply_len = wpa_supplicant_global_iface_interfaces(
4281 wpa_s->global, reply, reply_size);
4282 } else if (os_strncmp(buf, "BSS ", 4) == 0) {
4283 reply_len = wpa_supplicant_ctrl_iface_bss(
4284 wpa_s, buf + 4, reply, reply_size);
4285 #ifdef CONFIG_AP
4286 } else if (os_strcmp(buf, "STA-FIRST") == 0) {
4287 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
4288 } else if (os_strncmp(buf, "STA ", 4) == 0) {
4289 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
4290 reply_size);
4291 } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
4292 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
4293 reply_size);
4294 } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
4295 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
4296 reply_len = -1;
4297 } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
4298 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
4299 reply_len = -1;
4300 #endif /* CONFIG_AP */
4301 } else if (os_strcmp(buf, "SUSPEND") == 0) {
4302 wpas_notify_suspend(wpa_s->global);
4303 } else if (os_strcmp(buf, "RESUME") == 0) {
4304 wpas_notify_resume(wpa_s->global);
4305 } else if (os_strcmp(buf, "DROP_SA") == 0) {
4306 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
4307 } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
4308 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
4309 reply_len = -1;
4310 } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
4311 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
4312 reply_len = -1;
4313 } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
4314 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
4315 reply_len = -1;
4316 } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
4317 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
4318 buf + 17))
4319 reply_len = -1;
4320 #ifdef CONFIG_TDLS
4321 } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
4322 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
4323 reply_len = -1;
4324 } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
4325 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
4326 reply_len = -1;
4327 } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
4328 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
4329 reply_len = -1;
4330 #endif /* CONFIG_TDLS */
4331 } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
4332 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
4333 reply_size);
4334 } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
4335 eapol_sm_request_reauth(wpa_s->eapol);
4336 } else {
4337 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
4338 reply_len = 16;
4339 }
4340
4341 if (reply_len < 0) {
4342 os_memcpy(reply, "FAIL\n", 5);
4343 reply_len = 5;
4344 }
4345
4346 if (ctrl_rsp)
4347 eapol_sm_notify_ctrl_response(wpa_s->eapol);
4348
4349 *resp_len = reply_len;
4350 return reply;
4351 }
4352
4353
4354 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
4355 char *cmd)
4356 {
4357 struct wpa_interface iface;
4358 char *pos;
4359
4360 /*
4361 * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
4362 * TAB<bridge_ifname>
4363 */
4364 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
4365
4366 os_memset(&iface, 0, sizeof(iface));
4367
4368 do {
4369 iface.ifname = pos = cmd;
4370 pos = os_strchr(pos, '\t');
4371 if (pos)
4372 *pos++ = '\0';
4373 if (iface.ifname[0] == '\0')
4374 return -1;
4375 if (pos == NULL)
4376 break;
4377
4378 iface.confname = pos;
4379 pos = os_strchr(pos, '\t');
4380 if (pos)
4381 *pos++ = '\0';
4382 if (iface.confname[0] == '\0')
4383 iface.confname = NULL;
4384 if (pos == NULL)
4385 break;
4386
4387 iface.driver = pos;
4388 pos = os_strchr(pos, '\t');
4389 if (pos)
4390 *pos++ = '\0';
4391 if (iface.driver[0] == '\0')
4392 iface.driver = NULL;
4393 if (pos == NULL)
4394 break;
4395
4396 iface.ctrl_interface = pos;
4397 pos = os_strchr(pos, '\t');
4398 if (pos)
4399 *pos++ = '\0';
4400 if (iface.ctrl_interface[0] == '\0')
4401 iface.ctrl_interface = NULL;
4402 if (pos == NULL)
4403 break;
4404
4405 iface.driver_param = pos;
4406 pos = os_strchr(pos, '\t');
4407 if (pos)
4408 *pos++ = '\0';
4409 if (iface.driver_param[0] == '\0')
4410 iface.driver_param = NULL;
4411 if (pos == NULL)
4412 break;
4413
4414 iface.bridge_ifname = pos;
4415 pos = os_strchr(pos, '\t');
4416 if (pos)
4417 *pos++ = '\0';
4418 if (iface.bridge_ifname[0] == '\0')
4419 iface.bridge_ifname = NULL;
4420 if (pos == NULL)
4421 break;
4422 } while (0);
4423
4424 if (wpa_supplicant_get_iface(global, iface.ifname))
4425 return -1;
4426
4427 return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
4428 }
4429
4430
4431 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
4432 char *cmd)
4433 {
4434 struct wpa_supplicant *wpa_s;
4435
4436 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
4437
4438 wpa_s = wpa_supplicant_get_iface(global, cmd);
4439 if (wpa_s == NULL)
4440 return -1;
4441 return wpa_supplicant_remove_iface(global, wpa_s, 0);
4442 }
4443
4444
4445 static void wpa_free_iface_info(struct wpa_interface_info *iface)
4446 {
4447 struct wpa_interface_info *prev;
4448
4449 while (iface) {
4450 prev = iface;
4451 iface = iface->next;
4452
4453 os_free(prev->ifname);
4454 os_free(prev->desc);
4455 os_free(prev);
4456 }
4457 }
4458
4459
4460 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
4461 char *buf, int len)
4462 {
4463 int i, res;
4464 struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
4465 char *pos, *end;
4466
4467 for (i = 0; wpa_drivers[i]; i++) {
4468 struct wpa_driver_ops *drv = wpa_drivers[i];
4469 if (drv->get_interfaces == NULL)
4470 continue;
4471 tmp = drv->get_interfaces(global->drv_priv[i]);
4472 if (tmp == NULL)
4473 continue;
4474
4475 if (last == NULL)
4476 iface = last = tmp;
4477 else
4478 last->next = tmp;
4479 while (last->next)
4480 last = last->next;
4481 }
4482
4483 pos = buf;
4484 end = buf + len;
4485 for (tmp = iface; tmp; tmp = tmp->next) {
4486 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
4487 tmp->drv_name, tmp->ifname,
4488 tmp->desc ? tmp->desc : "");
4489 if (res < 0 || res >= end - pos) {
4490 *pos = '\0';
4491 break;
4492 }
4493 pos += res;
4494 }
4495
4496 wpa_free_iface_info(iface);
4497
4498 return pos - buf;
4499 }
4500
4501
4502 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
4503 char *buf, int len)
4504 {
4505 int res;
4506 char *pos, *end;
4507 struct wpa_supplicant *wpa_s;
4508
4509 wpa_s = global->ifaces;
4510 pos = buf;
4511 end = buf + len;
4512
4513 while (wpa_s) {
4514 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
4515 if (res < 0 || res >= end - pos) {
4516 *pos = '\0';
4517 break;
4518 }
4519 pos += res;
4520 wpa_s = wpa_s->next;
4521 }
4522 return pos - buf;
4523 }
4524
4525
4526 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
4527 char *buf, size_t *resp_len)
4528 {
4529 char *reply;
4530 const int reply_size = 2048;
4531 int reply_len;
4532 int level = MSG_DEBUG;
4533
4534 if (os_strcmp(buf, "PING") == 0)
4535 level = MSG_EXCESSIVE;
4536 wpa_hexdump_ascii(level, "RX global ctrl_iface",
4537 (const u8 *) buf, os_strlen(buf));
4538
4539 reply = os_malloc(reply_size);
4540 if (reply == NULL) {
4541 *resp_len = 1;
4542 return NULL;
4543 }
4544
4545 os_memcpy(reply, "OK\n", 3);
4546 reply_len = 3;
4547
4548 if (os_strcmp(buf, "PING") == 0) {
4549 os_memcpy(reply, "PONG\n", 5);
4550 reply_len = 5;
4551 } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
4552 if (wpa_supplicant_global_iface_add(global, buf + 14))
4553 reply_len = -1;
4554 } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
4555 if (wpa_supplicant_global_iface_remove(global, buf + 17))
4556 reply_len = -1;
4557 } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
4558 reply_len = wpa_supplicant_global_iface_list(
4559 global, reply, reply_size);
4560 } else if (os_strcmp(buf, "INTERFACES") == 0) {
4561 reply_len = wpa_supplicant_global_iface_interfaces(
4562 global, reply, reply_size);
4563 } else if (os_strcmp(buf, "TERMINATE") == 0) {
4564 wpa_supplicant_terminate_proc(global);
4565 } else if (os_strcmp(buf, "SUSPEND") == 0) {
4566 wpas_notify_suspend(global);
4567 } else if (os_strcmp(buf, "RESUME") == 0) {
4568 wpas_notify_resume(global);
4569 } else {
4570 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
4571 reply_len = 16;
4572 }
4573
4574 if (reply_len < 0) {
4575 os_memcpy(reply, "FAIL\n", 5);
4576 reply_len = 5;
4577 }
4578
4579 *resp_len = reply_len;
4580 return reply;
4581 }
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