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Changed TLS server to use OpenSSL SSL_accept() instead of SSL_read()
[thirdparty/hostap.git] / wpa_supplicant / ctrl_iface.c
CommitLineData
6fc6879b
JM		 1/*
2 * WPA Supplicant / Control interface (shared code for all backends)
3 * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 *
9 * Alternatively, this software may be distributed under the terms of BSD
10 * license.
11 *
12 * See README and COPYING for more details.
13 */
14
15#include "includes.h"
16
17#include "common.h"
18#include "eloop.h"
19#include "wpa.h"
20#include "config.h"
21#include "eapol_supp/eapol_supp_sm.h"
22#include "wpa_supplicant_i.h"
23#include "ctrl_iface.h"
24#include "l2_packet/l2_packet.h"
25#include "preauth.h"
26#include "pmksa_cache.h"
27#include "wpa_ctrl.h"
28#include "eap_peer/eap.h"
29#include "ieee802_11_defs.h"
30
31
32static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
33 char *buf, int len);
34
35
36static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
37 char *cmd)
38{
39 char *value;
40 int ret = 0;
41
42 value = os_strchr(cmd, ' ');
43 if (value == NULL)
44 return -1;
45 *value++ = '\0';
46
47 wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
48 if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
49 eapol_sm_configure(wpa_s->eapol,
50 atoi(value), -1, -1, -1);
51 } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
52 eapol_sm_configure(wpa_s->eapol,
53 -1, atoi(value), -1, -1);
54 } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
55 eapol_sm_configure(wpa_s->eapol,
56 -1, -1, atoi(value), -1);
57 } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
58 eapol_sm_configure(wpa_s->eapol,
59 -1, -1, -1, atoi(value));
60 } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
61 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
62 atoi(value)))
63 ret = -1;
64 } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
65 0) {
66 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
67 atoi(value)))
68 ret = -1;
69 } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
70 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
71 ret = -1;
72 } else
73 ret = -1;
74
75 return ret;
76}
77
78
79static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
80 char *addr)
81{
82 u8 bssid[ETH_ALEN];
83 struct wpa_ssid *ssid = wpa_s->current_ssid;
84
85 if (hwaddr_aton(addr, bssid)) {
86 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
87 "'%s'", addr);
88 return -1;
89 }
90
91 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
92 rsn_preauth_deinit(wpa_s->wpa);
93 if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
94 return -1;
95
96 return 0;
97}
98
99
100#ifdef CONFIG_PEERKEY
101/* MLME-STKSTART.request(peer) */
102static int wpa_supplicant_ctrl_iface_stkstart(
103 struct wpa_supplicant *wpa_s, char *addr)
104{
105 u8 peer[ETH_ALEN];
106
107 if (hwaddr_aton(addr, peer)) {
108 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
109 "address '%s'", peer);
110 return -1;
111 }
112
113 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
114 MAC2STR(peer));
115
116 return wpa_sm_stkstart(wpa_s->wpa, peer);
117}
118#endif /* CONFIG_PEERKEY */
119
120
121#ifdef CONFIG_IEEE80211R
122static int wpa_supplicant_ctrl_iface_ft_ds(
123 struct wpa_supplicant *wpa_s, char *addr)
124{
125 u8 target_ap[ETH_ALEN];
126
127 if (hwaddr_aton(addr, target_ap)) {
128 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
129 "address '%s'", target_ap);
130 return -1;
131 }
132
133 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
134
135 return wpa_ft_start_over_ds(wpa_s->wpa, target_ap);
136}
137#endif /* CONFIG_IEEE80211R */
138
139
140static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
141 char *rsp)
142{
143#ifdef IEEE8021X_EAPOL
144 char *pos, *id_pos;
145 int id;
146 struct wpa_ssid *ssid;
147 struct eap_peer_config *eap;
148
149 pos = os_strchr(rsp, '-');
150 if (pos == NULL)
151 return -1;
152 *pos++ = '\0';
153 id_pos = pos;
154 pos = os_strchr(pos, ':');
155 if (pos == NULL)
156 return -1;
157 *pos++ = '\0';
158 id = atoi(id_pos);
159 wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
160 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
161 (u8 *) pos, os_strlen(pos));
162
163 ssid = wpa_config_get_network(wpa_s->conf, id);
164 if (ssid == NULL) {
165 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
166 "to update", id);
167 return -1;
168 }
169 eap = &ssid->eap;
170
171 if (os_strcmp(rsp, "IDENTITY") == 0) {
172 os_free(eap->identity);
173 eap->identity = (u8 *) os_strdup(pos);
174 eap->identity_len = os_strlen(pos);
175 eap->pending_req_identity = 0;
176 if (ssid == wpa_s->current_ssid)
177 wpa_s->reassociate = 1;
178 } else if (os_strcmp(rsp, "PASSWORD") == 0) {
179 os_free(eap->password);
180 eap->password = (u8 *) os_strdup(pos);
181 eap->password_len = os_strlen(pos);
182 eap->pending_req_password = 0;
183 if (ssid == wpa_s->current_ssid)
184 wpa_s->reassociate = 1;
185 } else if (os_strcmp(rsp, "NEW_PASSWORD") == 0) {
186 os_free(eap->new_password);
187 eap->new_password = (u8 *) os_strdup(pos);
188 eap->new_password_len = os_strlen(pos);
189 eap->pending_req_new_password = 0;
190 if (ssid == wpa_s->current_ssid)
191 wpa_s->reassociate = 1;
192 } else if (os_strcmp(rsp, "PIN") == 0) {
193 os_free(eap->pin);
194 eap->pin = os_strdup(pos);
195 eap->pending_req_pin = 0;
196 if (ssid == wpa_s->current_ssid)
197 wpa_s->reassociate = 1;
198 } else if (os_strcmp(rsp, "OTP") == 0) {
199 os_free(eap->otp);
200 eap->otp = (u8 *) os_strdup(pos);
201 eap->otp_len = os_strlen(pos);
202 os_free(eap->pending_req_otp);
203 eap->pending_req_otp = NULL;
204 eap->pending_req_otp_len = 0;
205 } else if (os_strcmp(rsp, "PASSPHRASE") == 0) {
206 os_free(eap->private_key_passwd);
207 eap->private_key_passwd = (u8 *) os_strdup(pos);
208 eap->pending_req_passphrase = 0;
209 if (ssid == wpa_s->current_ssid)
210 wpa_s->reassociate = 1;
211 } else {
212 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown field '%s'", rsp);
213 return -1;
214 }
215
216 return 0;
217#else /* IEEE8021X_EAPOL */
218 wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
219 return -1;
220#endif /* IEEE8021X_EAPOL */
221}
222
223
224static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
225 const char *params,
226 char *buf, size_t buflen)
227{
228 char *pos, *end, tmp[30];
229 int res, verbose, ret;
230
231 verbose = os_strcmp(params, "-VERBOSE") == 0;
232 pos = buf;
233 end = buf + buflen;
234 if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
235 struct wpa_ssid *ssid = wpa_s->current_ssid;
236 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
237 MAC2STR(wpa_s->bssid));
238 if (ret < 0 || ret >= end - pos)
239 return pos - buf;
240 pos += ret;
241 if (ssid) {
242 u8 *_ssid = ssid->ssid;
243 size_t ssid_len = ssid->ssid_len;
244 u8 ssid_buf[MAX_SSID_LEN];
245 if (ssid_len == 0) {
246 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
247 if (_res < 0)
248 ssid_len = 0;
249 else
250 ssid_len = _res;
251 _ssid = ssid_buf;
252 }
253 ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
254 wpa_ssid_txt(_ssid, ssid_len),
255 ssid->id);
256 if (ret < 0 || ret >= end - pos)
257 return pos - buf;
258 pos += ret;
259
260 if (ssid->id_str) {
261 ret = os_snprintf(pos, end - pos,
262 "id_str=%s\n",
263 ssid->id_str);
264 if (ret < 0 || ret >= end - pos)
265 return pos - buf;
266 pos += ret;
267 }
268 }
269
270 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
271 }
272 ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
273 wpa_supplicant_state_txt(wpa_s->wpa_state));
274 if (ret < 0 || ret >= end - pos)
275 return pos - buf;
276 pos += ret;
277
278 if (wpa_s->l2 &&
279 l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
280 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
281 if (ret < 0 || ret >= end - pos)
282 return pos - buf;
283 pos += ret;
284 }
285
286 if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X ||
287 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA ||
288 wpa_s->key_mgmt == WPA_KEY_MGMT_FT_IEEE8021X) {
289 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
290 verbose);
291 if (res >= 0)
292 pos += res;
293 }
294
295 res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
296 if (res >= 0)
297 pos += res;
298
299 return pos - buf;
300}
301
302
303static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
304 char *cmd)
305{
306 char *pos;
307 int id;
308 struct wpa_ssid *ssid;
309 u8 bssid[ETH_ALEN];
310
311 /* cmd: "<network id> <BSSID>" */
312 pos = os_strchr(cmd, ' ');
313 if (pos == NULL)
314 return -1;
315 *pos++ = '\0';
316 id = atoi(cmd);
317 wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
318 if (hwaddr_aton(pos, bssid)) {
319 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
320 return -1;
321 }
322
323 ssid = wpa_config_get_network(wpa_s->conf, id);
324 if (ssid == NULL) {
325 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
326 "to update", id);
327 return -1;
328 }
329
330 os_memcpy(ssid->bssid, bssid, ETH_ALEN);
331 ssid->bssid_set =
332 os_memcmp(bssid, "\x00\x00\x00\x00\x00\x00", ETH_ALEN) != 0;
333
334
335 return 0;
336}
337
338
339static int wpa_supplicant_ctrl_iface_list_networks(
340 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
341{
342 char *pos, *end;
343 struct wpa_ssid *ssid;
344 int ret;
345
346 pos = buf;
347 end = buf + buflen;
348 ret = os_snprintf(pos, end - pos,
349 "network id / ssid / bssid / flags\n");
350 if (ret < 0 || ret >= end - pos)
351 return pos - buf;
352 pos += ret;
353
354 ssid = wpa_s->conf->ssid;
355 while (ssid) {
356 ret = os_snprintf(pos, end - pos, "%d\t%s",
357 ssid->id,
358 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
359 if (ret < 0 || ret >= end - pos)
360 return pos - buf;
361 pos += ret;
362 if (ssid->bssid_set) {
363 ret = os_snprintf(pos, end - pos, "\t" MACSTR,
364 MAC2STR(ssid->bssid));
365 } else {
366 ret = os_snprintf(pos, end - pos, "\tany");
367 }
368 if (ret < 0 || ret >= end - pos)
369 return pos - buf;
370 pos += ret;
371 ret = os_snprintf(pos, end - pos, "\t%s%s",
372 ssid == wpa_s->current_ssid ?
373 "[CURRENT]" : "",
374 ssid->disabled ? "[DISABLED]" : "");
375 if (ret < 0 || ret >= end - pos)
376 return pos - buf;
377 pos += ret;
378 ret = os_snprintf(pos, end - pos, "\n");
379 if (ret < 0 || ret >= end - pos)
380 return pos - buf;
381 pos += ret;
382
383 ssid = ssid->next;
384 }
385
386 return pos - buf;
387}
388
389
390static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
391{
392 int first = 1, ret;
393 ret = os_snprintf(pos, end - pos, "-");
394 if (ret < 0 || ret >= end - pos)
395 return pos;
396 pos += ret;
397 if (cipher & WPA_CIPHER_NONE) {
398 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : "+");
399 if (ret < 0 || ret >= end - pos)
400 return pos;
401 pos += ret;
402 first = 0;
403 }
404 if (cipher & WPA_CIPHER_WEP40) {
405 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : "+");
406 if (ret < 0 || ret >= end - pos)
407 return pos;
408 pos += ret;
409 first = 0;
410 }
411 if (cipher & WPA_CIPHER_WEP104) {
412 ret = os_snprintf(pos, end - pos, "%sWEP104",
413 first ? "" : "+");
414 if (ret < 0 || ret >= end - pos)
415 return pos;
416 pos += ret;
417 first = 0;
418 }
419 if (cipher & WPA_CIPHER_TKIP) {
420 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : "+");
421 if (ret < 0 || ret >= end - pos)
422 return pos;
423 pos += ret;
424 first = 0;
425 }
426 if (cipher & WPA_CIPHER_CCMP) {
427 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : "+");
428 if (ret < 0 || ret >= end - pos)
429 return pos;
430 pos += ret;
431 first = 0;
432 }
433 return pos;
434}
435
436
437static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
438 const u8 *ie, size_t ie_len)
439{
440 struct wpa_ie_data data;
441 int first, ret;
442
443 ret = os_snprintf(pos, end - pos, "[%s-", proto);
444 if (ret < 0 || ret >= end - pos)
445 return pos;
446 pos += ret;
447
448 if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
449 ret = os_snprintf(pos, end - pos, "?]");
450 if (ret < 0 || ret >= end - pos)
451 return pos;
452 pos += ret;
453 return pos;
454 }
455
456 first = 1;
457 if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
458 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
459 if (ret < 0 || ret >= end - pos)
460 return pos;
461 pos += ret;
462 first = 0;
463 }
464 if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
465 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
466 if (ret < 0 || ret >= end - pos)
467 return pos;
468 pos += ret;
469 first = 0;
470 }
471 if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
472 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
473 if (ret < 0 || ret >= end - pos)
474 return pos;
475 pos += ret;
476 first = 0;
477 }
478#ifdef CONFIG_IEEE80211R
479 if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
480 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
481 first ? "" : "+");
482 if (ret < 0 || ret >= end - pos)
483 return pos;
484 pos += ret;
485 first = 0;
486 }
487 if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
488 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
489 first ? "" : "+");
490 if (ret < 0 || ret >= end - pos)
491 return pos;
492 pos += ret;
493 first = 0;
494 }
495#endif /* CONFIG_IEEE80211R */
496
497 pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
498
499 if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
500 ret = os_snprintf(pos, end - pos, "-preauth");
501 if (ret < 0 || ret >= end - pos)
502 return pos;
503 pos += ret;
504 }
505
506 ret = os_snprintf(pos, end - pos, "]");
507 if (ret < 0 || ret >= end - pos)
508 return pos;
509 pos += ret;
510
511 return pos;
512}
513
514
515/* Format one result on one text line into a buffer. */
516static int wpa_supplicant_ctrl_iface_scan_result(
517 const struct wpa_scan_res *res, char *buf, size_t buflen)
518{
519 char *pos, *end;
520 int ret;
521 const u8 *ie, *ie2;
522
523 pos = buf;
524 end = buf + buflen;
525
526 ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
527 MAC2STR(res->bssid), res->freq, res->level);
528 if (ret < 0 || ret >= end - pos)
529 return pos - buf;
530 pos += ret;
531 ie = wpa_scan_get_vendor_ie(res, WPA_IE_VENDOR_TYPE);
532 if (ie)
533 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
534 ie2 = wpa_scan_get_ie(res, WLAN_EID_RSN);
535 if (ie2)
536 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
537 if (!ie && !ie2 && res->caps & IEEE80211_CAP_PRIVACY) {
538 ret = os_snprintf(pos, end - pos, "[WEP]");
539 if (ret < 0 || ret >= end - pos)
540 return pos - buf;
541 pos += ret;
542 }
543 if (res->caps & IEEE80211_CAP_IBSS) {
544 ret = os_snprintf(pos, end - pos, "[IBSS]");
545 if (ret < 0 || ret >= end - pos)
546 return pos - buf;
547 pos += ret;
548 }
549
550 ie = wpa_scan_get_ie(res, WLAN_EID_SSID);
551 ret = os_snprintf(pos, end - pos, "\t%s",
552 ie ? wpa_ssid_txt(ie + 2, ie[1]) : "");
553 if (ret < 0 || ret >= end - pos)
554 return pos - buf;
555 pos += ret;
556
557 ret = os_snprintf(pos, end - pos, "\n");
558 if (ret < 0 || ret >= end - pos)
559 return pos - buf;
560 pos += ret;
561
562 return pos - buf;
563}
564
565
566static int wpa_supplicant_ctrl_iface_scan_results(
567 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
568{
569 char *pos, *end;
570 struct wpa_scan_res *res;
571 int ret;
572 size_t i;
573
574 if (wpa_s->scan_res == NULL &&
575 wpa_supplicant_get_scan_results(wpa_s) < 0)
576 return 0;
577
578 pos = buf;
579 end = buf + buflen;
580 ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
581 "flags / ssid\n");
582 if (ret < 0 || ret >= end - pos)
583 return pos - buf;
584 pos += ret;
585
586 for (i = 0; i < wpa_s->scan_res->num; i++) {
587 res = wpa_s->scan_res->res[i];
588 ret = wpa_supplicant_ctrl_iface_scan_result(res, pos,
589 end - pos);
590 if (ret < 0 || ret >= end - pos)
591 return pos - buf;
592 pos += ret;
593 }
594
595 return pos - buf;
596}
597
598
599static int wpa_supplicant_ctrl_iface_select_network(
600 struct wpa_supplicant *wpa_s, char *cmd)
601{
602 int id;
603 struct wpa_ssid *ssid;
604
605 /* cmd: "<network id>" or "any" */
606 if (os_strcmp(cmd, "any") == 0) {
607 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
608 ssid = wpa_s->conf->ssid;
609 while (ssid) {
610 ssid->disabled = 0;
611 ssid = ssid->next;
612 }
613 wpa_s->reassociate = 1;
614 wpa_supplicant_req_scan(wpa_s, 0, 0);
615 return 0;
616 }
617
618 id = atoi(cmd);
619 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
620
621 ssid = wpa_config_get_network(wpa_s->conf, id);
622 if (ssid == NULL) {
623 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
624 "id=%d", id);
625 return -1;
626 }
627
628 if (ssid != wpa_s->current_ssid && wpa_s->current_ssid)
629 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
630
631 /* Mark all other networks disabled and trigger reassociation */
632 ssid = wpa_s->conf->ssid;
633 while (ssid) {
634 ssid->disabled = id != ssid->id;
635 ssid = ssid->next;
636 }
637 wpa_s->reassociate = 1;
638 wpa_supplicant_req_scan(wpa_s, 0, 0);
639
640 return 0;
641}
642
643
644static int wpa_supplicant_ctrl_iface_enable_network(
645 struct wpa_supplicant *wpa_s, char *cmd)
646{
647 int id;
648 struct wpa_ssid *ssid;
649
650 /* cmd: "<network id>" or "all" */
651 if (os_strcmp(cmd, "all") == 0) {
652 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
653 ssid = wpa_s->conf->ssid;
654 while (ssid) {
655 if (ssid == wpa_s->current_ssid && ssid->disabled)
656 wpa_s->reassociate = 1;
657 ssid->disabled = 0;
658 ssid = ssid->next;
659 }
660 if (wpa_s->reassociate)
661 wpa_supplicant_req_scan(wpa_s, 0, 0);
662 return 0;
663 }
664
665 id = atoi(cmd);
666 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
667
668 ssid = wpa_config_get_network(wpa_s->conf, id);
669 if (ssid == NULL) {
670 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
671 "id=%d", id);
672 return -1;
673 }
674
675 if (wpa_s->current_ssid == NULL && ssid->disabled) {
676 /*
677 * Try to reassociate since there is no current configuration
678 * and a new network was made available. */
679 wpa_s->reassociate = 1;
680 wpa_supplicant_req_scan(wpa_s, 0, 0);
681 }
682 ssid->disabled = 0;
683
684 return 0;
685}
686
687
688static int wpa_supplicant_ctrl_iface_disable_network(
689 struct wpa_supplicant *wpa_s, char *cmd)
690{
691 int id;
692 struct wpa_ssid *ssid;
693
694 /* cmd: "<network id>" or "all" */
695 if (os_strcmp(cmd, "all") == 0) {
696 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
697 ssid = wpa_s->conf->ssid;
698 while (ssid) {
699 ssid->disabled = 1;
700 ssid = ssid->next;
701 }
702 if (wpa_s->current_ssid)
703 wpa_supplicant_disassociate(wpa_s,
704 WLAN_REASON_DEAUTH_LEAVING);
705 return 0;
706 }
707
708 id = atoi(cmd);
709 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
710
711 ssid = wpa_config_get_network(wpa_s->conf, id);
712 if (ssid == NULL) {
713 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
714 "id=%d", id);
715 return -1;
716 }
717
718 if (ssid == wpa_s->current_ssid)
719 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
720 ssid->disabled = 1;
721
722 return 0;
723}
724
725
726static int wpa_supplicant_ctrl_iface_add_network(
727 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
728{
729 struct wpa_ssid *ssid;
730 int ret;
731
732 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
733
734 ssid = wpa_config_add_network(wpa_s->conf);
735 if (ssid == NULL)
736 return -1;
737 ssid->disabled = 1;
738 wpa_config_set_network_defaults(ssid);
739
740 ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
741 if (ret < 0 || (size_t) ret >= buflen)
742 return -1;
743 return ret;
744}
745
746
747static int wpa_supplicant_ctrl_iface_remove_network(
748 struct wpa_supplicant *wpa_s, char *cmd)
749{
750 int id;
751 struct wpa_ssid *ssid;
752
753 /* cmd: "<network id>" or "all" */
754 if (os_strcmp(cmd, "all") == 0) {
755 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
756 ssid = wpa_s->conf->ssid;
757 while (ssid) {
758 id = ssid->id;
759 ssid = ssid->next;
760 wpa_config_remove_network(wpa_s->conf, id);
761 }
762 if (wpa_s->current_ssid) {
763 eapol_sm_invalidate_cached_session(wpa_s->eapol);
764 wpa_supplicant_disassociate(wpa_s,
765 WLAN_REASON_DEAUTH_LEAVING);
766 }
767 return 0;
768 }
769
770 id = atoi(cmd);
771 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
772
773 ssid = wpa_config_get_network(wpa_s->conf, id);
774 if (ssid == NULL ||
775 wpa_config_remove_network(wpa_s->conf, id) < 0) {
776 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
777 "id=%d", id);
778 return -1;
779 }
780
781 if (ssid == wpa_s->current_ssid) {
782 /*
783 * Invalidate the EAP session cache if the current network is
784 * removed.
785 */
786 eapol_sm_invalidate_cached_session(wpa_s->eapol);
787
788 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
789 }
790
791 return 0;
792}
793
794
795static int wpa_supplicant_ctrl_iface_set_network(
796 struct wpa_supplicant *wpa_s, char *cmd)
797{
798 int id;
799 struct wpa_ssid *ssid;
800 char *name, *value;
801
802 /* cmd: "<network id> <variable name> <value>" */
803 name = os_strchr(cmd, ' ');
804 if (name == NULL)
805 return -1;
806 *name++ = '\0';
807
808 value = os_strchr(name, ' ');
809 if (value == NULL)
810 return -1;
811 *value++ = '\0';
812
813 id = atoi(cmd);
814 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
815 id, name);
816 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
817 (u8 *) value, os_strlen(value));
818
819 ssid = wpa_config_get_network(wpa_s->conf, id);
820 if (ssid == NULL) {
821 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
822 "id=%d", id);
823 return -1;
824 }
825
826 if (wpa_config_set(ssid, name, value, 0) < 0) {
827 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
828 "variable '%s'", name);
829 return -1;
830 }
831
832 if (wpa_s->current_ssid == ssid) {
833 /*
834 * Invalidate the EAP session cache if anything in the current
835 * configuration changes.
836 */
837 eapol_sm_invalidate_cached_session(wpa_s->eapol);
838 }
839
840 if ((os_strcmp(name, "psk") == 0 &&
841 value[0] == '"' && ssid->ssid_len) ||
842 (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
843 wpa_config_update_psk(ssid);
844
845 return 0;
846}
847
848
849static int wpa_supplicant_ctrl_iface_get_network(
850 struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
851{
852 int id;
853 size_t res;
854 struct wpa_ssid *ssid;
855 char *name, *value;
856
857 /* cmd: "<network id> <variable name>" */
858 name = os_strchr(cmd, ' ');
859 if (name == NULL || buflen == 0)
860 return -1;
861 *name++ = '\0';
862
863 id = atoi(cmd);
864 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
865 id, name);
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 network "
870 "id=%d", id);
871 return -1;
872 }
873
874 value = wpa_config_get_no_key(ssid, name);
875 if (value == NULL) {
876 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
877 "variable '%s'", name);
878 return -1;
879 }
880
881 res = os_strlcpy(buf, value, buflen);
882 if (res >= buflen) {
883 os_free(value);
884 return -1;
885 }
886
887 os_free(value);
888
889 return res;
890}
891
892
893#ifndef CONFIG_NO_CONFIG_WRITE
894static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
895{
896 int ret;
897
898 if (!wpa_s->conf->update_config) {
899 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
900 "to update configuration (update_config=0)");
901 return -1;
902 }
903
904 ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
905 if (ret) {
906 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
907 "update configuration");
908 } else {
909 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
910 " updated");
911 }
912
913 return ret;
914}
915#endif /* CONFIG_NO_CONFIG_WRITE */
916
917
918static int ctrl_iface_get_capability_pairwise(int res, char *strict,
919 struct wpa_driver_capa *capa,
920 char *buf, size_t buflen)
921{
922 int ret, first = 1;
923 char *pos, *end;
924 size_t len;
925
926 pos = buf;
927 end = pos + buflen;
928
929 if (res < 0) {
930 if (strict)
931 return 0;
932 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
933 if (len >= buflen)
934 return -1;
935 return len;
936 }
937
938 if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
939 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
940 if (ret < 0 || ret >= end - pos)
941 return pos - buf;
942 pos += ret;
943 first = 0;
944 }
945
946 if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
947 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
948 if (ret < 0 || ret >= end - pos)
949 return pos - buf;
950 pos += ret;
951 first = 0;
952 }
953
954 if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
955 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
956 if (ret < 0 || ret >= end - pos)
957 return pos - buf;
958 pos += ret;
959 first = 0;
960 }
961
962 return pos - buf;
963}
964
965
966static int ctrl_iface_get_capability_group(int res, char *strict,
967 struct wpa_driver_capa *capa,
968 char *buf, size_t buflen)
969{
970 int ret, first = 1;
971 char *pos, *end;
972 size_t len;
973
974 pos = buf;
975 end = pos + buflen;
976
977 if (res < 0) {
978 if (strict)
979 return 0;
980 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
981 if (len >= buflen)
982 return -1;
983 return len;
984 }
985
986 if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
987 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
988 if (ret < 0 || ret >= end - pos)
989 return pos - buf;
990 pos += ret;
991 first = 0;
992 }
993
994 if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
995 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
996 if (ret < 0 || ret >= end - pos)
997 return pos - buf;
998 pos += ret;
999 first = 0;
1000 }
1001
1002 if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP104) {
1003 ret = os_snprintf(pos, end - pos, "%sWEP104",
1004 first ? "" : " ");
1005 if (ret < 0 || ret >= end - pos)
1006 return pos - buf;
1007 pos += ret;
1008 first = 0;
1009 }
1010
1011 if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
1012 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
1013 if (ret < 0 || ret >= end - pos)
1014 return pos - buf;
1015 pos += ret;
1016 first = 0;
1017 }
1018
1019 return pos - buf;
1020}
1021
1022
1023static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
1024 struct wpa_driver_capa *capa,
1025 char *buf, size_t buflen)
1026{
1027 int ret;
1028 char *pos, *end;
1029 size_t len;
1030
1031 pos = buf;
1032 end = pos + buflen;
1033
1034 if (res < 0) {
1035 if (strict)
1036 return 0;
1037 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
1038 "NONE", buflen);
1039 if (len >= buflen)
1040 return -1;
1041 return len;
1042 }
1043
1044 ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
1045 if (ret < 0 || ret >= end - pos)
1046 return pos - buf;
1047 pos += ret;
1048
1049 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1050 WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
1051 ret = os_snprintf(pos, end - pos, " WPA-EAP");
1052 if (ret < 0 || ret >= end - pos)
1053 return pos - buf;
1054 pos += ret;
1055 }
1056
1057 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
1058 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
1059 ret = os_snprintf(pos, end - pos, " WPA-PSK");
1060 if (ret < 0 || ret >= end - pos)
1061 return pos - buf;
1062 pos += ret;
1063 }
1064
1065 if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
1066 ret = os_snprintf(pos, end - pos, " WPA-NONE");
1067 if (ret < 0 || ret >= end - pos)
1068 return pos - buf;
1069 pos += ret;
1070 }
1071
1072 return pos - buf;
1073}
1074
1075
1076static int ctrl_iface_get_capability_proto(int res, char *strict,
1077 struct wpa_driver_capa *capa,
1078 char *buf, size_t buflen)
1079{
1080 int ret, first = 1;
1081 char *pos, *end;
1082 size_t len;
1083
1084 pos = buf;
1085 end = pos + buflen;
1086
1087 if (res < 0) {
1088 if (strict)
1089 return 0;
1090 len = os_strlcpy(buf, "RSN WPA", buflen);
1091 if (len >= buflen)
1092 return -1;
1093 return len;
1094 }
1095
1096 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
1097 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
1098 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
1099 if (ret < 0 || ret >= end - pos)
1100 return pos - buf;
1101 pos += ret;
1102 first = 0;
1103 }
1104
1105 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1106 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
1107 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
1108 if (ret < 0 || ret >= end - pos)
1109 return pos - buf;
1110 pos += ret;
1111 first = 0;
1112 }
1113
1114 return pos - buf;
1115}
1116
1117
1118static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
1119 struct wpa_driver_capa *capa,
1120 char *buf, size_t buflen)
1121{
1122 int ret, first = 1;
1123 char *pos, *end;
1124 size_t len;
1125
1126 pos = buf;
1127 end = pos + buflen;
1128
1129 if (res < 0) {
1130 if (strict)
1131 return 0;
1132 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
1133 if (len >= buflen)
1134 return -1;
1135 return len;
1136 }
1137
1138 if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
1139 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
1140 if (ret < 0 || ret >= end - pos)
1141 return pos - buf;
1142 pos += ret;
1143 first = 0;
1144 }
1145
1146 if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
1147 ret = os_snprintf(pos, end - pos, "%sSHARED",
1148 first ? "" : " ");
1149 if (ret < 0 || ret >= end - pos)
1150 return pos - buf;
1151 pos += ret;
1152 first = 0;
1153 }
1154
1155 if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
1156 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
1157 if (ret < 0 || ret >= end - pos)
1158 return pos - buf;
1159 pos += ret;
1160 first = 0;
1161 }
1162
1163 return pos - buf;
1164}
1165
1166
1167static int wpa_supplicant_ctrl_iface_get_capability(
1168 struct wpa_supplicant *wpa_s, const char *_field, char *buf,
1169 size_t buflen)
1170{
1171 struct wpa_driver_capa capa;
1172 int res;
1173 char *strict;
1174 char field[30];
1175 size_t len;
1176
1177 /* Determine whether or not strict checking was requested */
1178 len = os_strlcpy(field, _field, sizeof(field));
1179 if (len >= sizeof(field))
1180 return -1;
1181 strict = os_strchr(field, ' ');
1182 if (strict != NULL) {
1183 *strict++ = '\0';
1184 if (os_strcmp(strict, "strict") != 0)
1185 return -1;
1186 }
1187
1188 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
1189 field, strict ? strict : "");
1190
1191 if (os_strcmp(field, "eap") == 0) {
1192 return eap_get_names(buf, buflen);
1193 }
1194
1195 res = wpa_drv_get_capa(wpa_s, &capa);
1196
1197 if (os_strcmp(field, "pairwise") == 0)
1198 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
1199 buf, buflen);
1200
1201 if (os_strcmp(field, "group") == 0)
1202 return ctrl_iface_get_capability_group(res, strict, &capa,
1203 buf, buflen);
1204
1205 if (os_strcmp(field, "key_mgmt") == 0)
1206 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
1207 buf, buflen);
1208
1209 if (os_strcmp(field, "proto") == 0)
1210 return ctrl_iface_get_capability_proto(res, strict, &capa,
1211 buf, buflen);
1212
1213 if (os_strcmp(field, "auth_alg") == 0)
1214 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
1215 buf, buflen);
1216
1217 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
1218 field);
1219
1220 return -1;
1221}
1222
1223
1224static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
1225 const char *cmd, char *buf,
1226 size_t buflen)
1227{
1228 u8 bssid[ETH_ALEN];
1229 size_t i;
1230 struct wpa_scan_results *results;
1231 struct wpa_scan_res *bss;
1232 int ret;
1233 char *pos, *end;
1234 const u8 *ie, *ie2;
1235
1236 results = wpa_s->scan_res;
1237 if (results == NULL)
1238 return 0;
1239
1240 if (hwaddr_aton(cmd, bssid) == 0) {
1241 for (i = 0; i < results->num; i++) {
1242 if (os_memcmp(bssid, results->res[i]->bssid, ETH_ALEN)
1243 == 0)
1244 break;
1245 }
1246 } else
1247 i = atoi(cmd);
1248
1249 if (i >= results->num || results->res[i] == NULL)
1250 return 0; /* no match found */
1251
1252 bss = results->res[i];
1253 pos = buf;
1254 end = buf + buflen;
1255 ret = snprintf(pos, end - pos,
1256 "bssid=" MACSTR "\n"
1257 "freq=%d\n"
1258 "beacon_int=%d\n"
1259 "capabilities=0x%04x\n"
1260 "qual=%d\n"
1261 "noise=%d\n"
1262 "level=%d\n"
1263 "tsf=%016llu\n"
1264 "ie=",
1265 MAC2STR(bss->bssid), bss->freq, bss->beacon_int,
1266 bss->caps, bss->qual, bss->noise, bss->level,
1267 (unsigned long long) bss->tsf);
1268 if (ret < 0 || ret >= end - pos)
1269 return pos - buf;
1270 pos += ret;
1271
1272 ie = (const u8 *) (bss + 1);
1273 for (i = 0; i < bss->ie_len; i++) {
1274 ret = snprintf(pos, end - pos, "%02x", *ie++);
1275 if (ret < 0 || ret >= end - pos)
1276 return pos - buf;
1277 pos += ret;
1278 }
1279
1280 ret = snprintf(pos, end - pos, "\n");
1281 if (ret < 0 || ret >= end - pos)
1282 return pos - buf;
1283 pos += ret;
1284
1285 ret = os_snprintf(pos, end - pos, "flags=");
1286 if (ret < 0 || ret >= end - pos)
1287 return pos - buf;
1288 pos += ret;
1289
1290 ie = wpa_scan_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
1291 if (ie)
1292 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
1293 ie2 = wpa_scan_get_ie(bss, WLAN_EID_RSN);
1294 if (ie2)
1295 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
1296 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
1297 ret = os_snprintf(pos, end - pos, "[WEP]");
1298 if (ret < 0 || ret >= end - pos)
1299 return pos - buf;
1300 pos += ret;
1301 }
1302 if (bss->caps & IEEE80211_CAP_IBSS) {
1303 ret = os_snprintf(pos, end - pos, "[IBSS]");
1304 if (ret < 0 || ret >= end - pos)
1305 return pos - buf;
1306 pos += ret;
1307 }
1308
1309 ret = snprintf(pos, end - pos, "\n");
1310 if (ret < 0 || ret >= end - pos)
1311 return pos - buf;
1312 pos += ret;
1313
1314 ie = wpa_scan_get_ie(bss, WLAN_EID_SSID);
1315 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
1316 ie ? wpa_ssid_txt(ie + 2, ie[1]) : "");
1317 if (ret < 0 || ret >= end - pos)
1318 return pos - buf;
1319 pos += ret;
1320
1321 return pos - buf;
1322}
1323
1324
1325static int wpa_supplicant_ctrl_iface_ap_scan(
1326 struct wpa_supplicant *wpa_s, char *cmd)
1327{
1328 int ap_scan = atoi(cmd);
1329
1330 if (ap_scan < 0 || ap_scan > 2)
1331 return -1;
1332 wpa_s->conf->ap_scan = ap_scan;
1333 return 0;
1334}
1335
1336
1337char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
1338 char *buf, size_t *resp_len)
1339{
1340 char *reply;
1341 const int reply_size = 2048;
1342 int ctrl_rsp = 0;
1343 int reply_len;
1344
1345 if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
1346 os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
1347 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
1348 (const u8 *) buf, os_strlen(buf));
1349 } else {
1350 wpa_hexdump_ascii(MSG_DEBUG, "RX ctrl_iface",
1351 (const u8 *) buf, os_strlen(buf));
1352 }
1353
1354 reply = os_malloc(reply_size);
1355 if (reply == NULL) {
1356 *resp_len = 1;
1357 return NULL;
1358 }
1359
1360 os_memcpy(reply, "OK\n", 3);
1361 reply_len = 3;
1362
1363 if (os_strcmp(buf, "PING") == 0) {
1364 os_memcpy(reply, "PONG\n", 5);
1365 reply_len = 5;
1366 } else if (os_strcmp(buf, "MIB") == 0) {
1367 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
1368 if (reply_len >= 0) {
1369 int res;
1370 res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
1371 reply_size - reply_len);
1372 if (res < 0)
1373 reply_len = -1;
1374 else
1375 reply_len += res;
1376 }
1377 } else if (os_strncmp(buf, "STATUS", 6) == 0) {
1378 reply_len = wpa_supplicant_ctrl_iface_status(
1379 wpa_s, buf + 6, reply, reply_size);
1380 } else if (os_strcmp(buf, "PMKSA") == 0) {
1381 reply_len = pmksa_cache_list(wpa_s->wpa, reply, reply_size);
1382 } else if (os_strncmp(buf, "SET ", 4) == 0) {
1383 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
1384 reply_len = -1;
1385 } else if (os_strcmp(buf, "LOGON") == 0) {
1386 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
1387 } else if (os_strcmp(buf, "LOGOFF") == 0) {
1388 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
1389 } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
1390 wpa_s->disconnected = 0;
1391 wpa_s->reassociate = 1;
1392 wpa_supplicant_req_scan(wpa_s, 0, 0);
1393 } else if (os_strcmp(buf, "RECONNECT") == 0) {
1394 if (wpa_s->disconnected) {
1395 wpa_s->disconnected = 0;
1396 wpa_s->reassociate = 1;
1397 wpa_supplicant_req_scan(wpa_s, 0, 0);
1398 }
1399 } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
1400 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
1401 reply_len = -1;
1402#ifdef CONFIG_PEERKEY
1403 } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
1404 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
1405 reply_len = -1;
1406#endif /* CONFIG_PEERKEY */
1407#ifdef CONFIG_IEEE80211R
1408 } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
1409 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
1410 reply_len = -1;
1411#endif /* CONFIG_IEEE80211R */
1412 } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
1413 {
1414 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
1415 wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
1416 reply_len = -1;
1417 else
1418 ctrl_rsp = 1;
1419 } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
1420 if (wpa_supplicant_reload_configuration(wpa_s))
1421 reply_len = -1;
1422 } else if (os_strcmp(buf, "TERMINATE") == 0) {
1423 eloop_terminate();
1424 } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
1425 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
1426 reply_len = -1;
1427 } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
1428 reply_len = wpa_supplicant_ctrl_iface_list_networks(
1429 wpa_s, reply, reply_size);
1430 } else if (os_strcmp(buf, "DISCONNECT") == 0) {
1431 wpa_s->reassociate = 0;
1432 wpa_s->disconnected = 1;
1433 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1434 } else if (os_strcmp(buf, "SCAN") == 0) {
1435 wpa_s->scan_req = 2;
1436 wpa_supplicant_req_scan(wpa_s, 0, 0);
1437 } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
1438 reply_len = wpa_supplicant_ctrl_iface_scan_results(
1439 wpa_s, reply, reply_size);
1440 } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
1441 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
1442 reply_len = -1;
1443 } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
1444 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
1445 reply_len = -1;
1446 } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
1447 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
1448 reply_len = -1;
1449 } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
1450 reply_len = wpa_supplicant_ctrl_iface_add_network(
1451 wpa_s, reply, reply_size);
1452 } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
1453 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
1454 reply_len = -1;
1455 } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
1456 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
1457 reply_len = -1;
1458 } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
1459 reply_len = wpa_supplicant_ctrl_iface_get_network(
1460 wpa_s, buf + 12, reply, reply_size);
1461#ifndef CONFIG_NO_CONFIG_WRITE
1462 } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
1463 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
1464 reply_len = -1;
1465#endif /* CONFIG_NO_CONFIG_WRITE */
1466 } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
1467 reply_len = wpa_supplicant_ctrl_iface_get_capability(
1468 wpa_s, buf + 15, reply, reply_size);
1469 } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
1470 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
1471 reply_len = -1;
1472 } else if (os_strcmp(buf, "INTERFACES") == 0) {
1473 reply_len = wpa_supplicant_global_iface_interfaces(
1474 wpa_s->global, reply, reply_size);
1475 } else if (os_strncmp(buf, "BSS ", 4) == 0) {
1476 reply_len = wpa_supplicant_ctrl_iface_bss(
1477 wpa_s, buf + 4, reply, reply_size);
1478 } else {
1479 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
1480 reply_len = 16;
1481 }
1482
1483 if (reply_len < 0) {
1484 os_memcpy(reply, "FAIL\n", 5);
1485 reply_len = 5;
1486 }
1487
1488 if (ctrl_rsp)
1489 eapol_sm_notify_ctrl_response(wpa_s->eapol);
1490
1491 *resp_len = reply_len;
1492 return reply;
1493}
1494
1495
1496static int wpa_supplicant_global_iface_add(struct wpa_global *global,
1497 char *cmd)
1498{
1499 struct wpa_interface iface;
1500 char *pos;
1501
1502 /*
1503 * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
1504 * TAB<bridge_ifname>
1505 */
1506 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
1507
1508 os_memset(&iface, 0, sizeof(iface));
1509
1510 do {
1511 iface.ifname = pos = cmd;
1512 pos = os_strchr(pos, '\t');
1513 if (pos)
1514 *pos++ = '\0';
1515 if (iface.ifname[0] == '\0')
1516 return -1;
1517 if (pos == NULL)
1518 break;
1519
1520 iface.confname = pos;
1521 pos = os_strchr(pos, '\t');
1522 if (pos)
1523 *pos++ = '\0';
1524 if (iface.confname[0] == '\0')
1525 iface.confname = NULL;
1526 if (pos == NULL)
1527 break;
1528
1529 iface.driver = pos;
1530 pos = os_strchr(pos, '\t');
1531 if (pos)
1532 *pos++ = '\0';
1533 if (iface.driver[0] == '\0')
1534 iface.driver = NULL;
1535 if (pos == NULL)
1536 break;
1537
1538 iface.ctrl_interface = pos;
1539 pos = os_strchr(pos, '\t');
1540 if (pos)
1541 *pos++ = '\0';
1542 if (iface.ctrl_interface[0] == '\0')
1543 iface.ctrl_interface = NULL;
1544 if (pos == NULL)
1545 break;
1546
1547 iface.driver_param = pos;
1548 pos = os_strchr(pos, '\t');
1549 if (pos)
1550 *pos++ = '\0';
1551 if (iface.driver_param[0] == '\0')
1552 iface.driver_param = NULL;
1553 if (pos == NULL)
1554 break;
1555
1556 iface.bridge_ifname = pos;
1557 pos = os_strchr(pos, '\t');
1558 if (pos)
1559 *pos++ = '\0';
1560 if (iface.bridge_ifname[0] == '\0')
1561 iface.bridge_ifname = NULL;
1562 if (pos == NULL)
1563 break;
1564 } while (0);
1565
1566 if (wpa_supplicant_get_iface(global, iface.ifname))
1567 return -1;
1568
1569 return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
1570}
1571
1572
1573static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
1574 char *cmd)
1575{
1576 struct wpa_supplicant *wpa_s;
1577
1578 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
1579
1580 wpa_s = wpa_supplicant_get_iface(global, cmd);
1581 if (wpa_s == NULL)
1582 return -1;
1583 return wpa_supplicant_remove_iface(global, wpa_s);
1584}
1585
1586
1587static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
1588 char *buf, int len)
1589{
1590 int res;
1591 char *pos, *end;
1592 struct wpa_supplicant *wpa_s;
1593
1594 wpa_s = global->ifaces;
1595 pos = buf;
1596 end = buf + len;
1597
1598 while (wpa_s) {
1599 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
1600 if (res < 0 || res >= end - pos) {
1601 *pos = '\0';
1602 break;
1603 }
1604 pos += res;
1605 wpa_s = wpa_s->next;
1606 }
1607 return pos - buf;
1608}
1609
1610
1611char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
1612 char *buf, size_t *resp_len)
1613{
1614 char *reply;
1615 const int reply_size = 2048;
1616 int reply_len;
1617
1618 wpa_hexdump_ascii(MSG_DEBUG, "RX global ctrl_iface",
1619 (const u8 *) buf, os_strlen(buf));
1620
1621 reply = os_malloc(reply_size);
1622 if (reply == NULL) {
1623 *resp_len = 1;
1624 return NULL;
1625 }
1626
1627 os_memcpy(reply, "OK\n", 3);
1628 reply_len = 3;
1629
1630 if (os_strcmp(buf, "PING") == 0) {
1631 os_memcpy(reply, "PONG\n", 5);
1632 reply_len = 5;
1633 } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
1634 if (wpa_supplicant_global_iface_add(global, buf + 14))
1635 reply_len = -1;
1636 } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
1637 if (wpa_supplicant_global_iface_remove(global, buf + 17))
1638 reply_len = -1;
1639 } else if (os_strcmp(buf, "INTERFACES") == 0) {
1640 reply_len = wpa_supplicant_global_iface_interfaces(
1641 global, reply, reply_size);
1642 } else if (os_strcmp(buf, "TERMINATE") == 0) {
1643 eloop_terminate();
1644 } else {
1645 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
1646 reply_len = 16;
1647 }
1648
1649 if (reply_len < 0) {
1650 os_memcpy(reply, "FAIL\n", 5);
1651 reply_len = 5;
1652 }
1653
1654 *resp_len = reply_len;
1655 return reply;
1656}
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