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Expand PMF_FN_* macros.
[netbsd-mini2440.git] / dist / wpa / wpa_supplicant / ctrl_iface.c
blob98ac08f1e73ade3f51971482310ba4960c766d54
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
32 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
33 char *buf, int len);
34
35
36 static 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
79 #ifdef IEEE8021X_EAPOL
80 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
81 char *addr)
82 {
83 u8 bssid[ETH_ALEN];
84 struct wpa_ssid *ssid = wpa_s->current_ssid;
85
86 if (hwaddr_aton(addr, bssid)) {
87 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
88 "'%s'", addr);
89 return -1;
90 }
91
92 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
93 rsn_preauth_deinit(wpa_s->wpa);
94 if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
95 return -1;
96
97 return 0;
98 }
99 #endif /* IEEE8021X_EAPOL */
100
101
102 #ifdef CONFIG_PEERKEY
103 /* MLME-STKSTART.request(peer) */
104 static int wpa_supplicant_ctrl_iface_stkstart(
105 struct wpa_supplicant *wpa_s, char *addr)
106 {
107 u8 peer[ETH_ALEN];
108
109 if (hwaddr_aton(addr, peer)) {
110 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
111 "address '%s'", peer);
112 return -1;
113 }
114
115 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
116 MAC2STR(peer));
117
118 return wpa_sm_stkstart(wpa_s->wpa, peer);
119 }
120 #endif /* CONFIG_PEERKEY */
121
122
123 #ifdef CONFIG_IEEE80211R
124 static int wpa_supplicant_ctrl_iface_ft_ds(
125 struct wpa_supplicant *wpa_s, char *addr)
126 {
127 u8 target_ap[ETH_ALEN];
128
129 if (hwaddr_aton(addr, target_ap)) {
130 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
131 "address '%s'", target_ap);
132 return -1;
133 }
134
135 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
136
137 return wpa_ft_start_over_ds(wpa_s->wpa, target_ap);
138 }
139 #endif /* CONFIG_IEEE80211R */
140
141
142 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
143 char *rsp)
144 {
145 #ifdef IEEE8021X_EAPOL
146 char *pos, *id_pos;
147 int id;
148 struct wpa_ssid *ssid;
149 struct eap_peer_config *eap;
150
151 pos = os_strchr(rsp, '-');
152 if (pos == NULL)
153 return -1;
154 *pos++ = '\0';
155 id_pos = pos;
156 pos = os_strchr(pos, ':');
157 if (pos == NULL)
158 return -1;
159 *pos++ = '\0';
160 id = atoi(id_pos);
161 wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
162 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
163 (u8 *) pos, os_strlen(pos));
164
165 ssid = wpa_config_get_network(wpa_s->conf, id);
166 if (ssid == NULL) {
167 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
168 "to update", id);
169 return -1;
170 }
171 eap = &ssid->eap;
172
173 if (os_strcmp(rsp, "IDENTITY") == 0) {
174 os_free(eap->identity);
175 eap->identity = (u8 *) os_strdup(pos);
176 eap->identity_len = os_strlen(pos);
177 eap->pending_req_identity = 0;
178 if (ssid == wpa_s->current_ssid)
179 wpa_s->reassociate = 1;
180 } else if (os_strcmp(rsp, "PASSWORD") == 0) {
181 os_free(eap->password);
182 eap->password = (u8 *) os_strdup(pos);
183 eap->password_len = os_strlen(pos);
184 eap->pending_req_password = 0;
185 if (ssid == wpa_s->current_ssid)
186 wpa_s->reassociate = 1;
187 } else if (os_strcmp(rsp, "NEW_PASSWORD") == 0) {
188 os_free(eap->new_password);
189 eap->new_password = (u8 *) os_strdup(pos);
190 eap->new_password_len = os_strlen(pos);
191 eap->pending_req_new_password = 0;
192 if (ssid == wpa_s->current_ssid)
193 wpa_s->reassociate = 1;
194 } else if (os_strcmp(rsp, "PIN") == 0) {
195 os_free(eap->pin);
196 eap->pin = os_strdup(pos);
197 eap->pending_req_pin = 0;
198 if (ssid == wpa_s->current_ssid)
199 wpa_s->reassociate = 1;
200 } else if (os_strcmp(rsp, "OTP") == 0) {
201 os_free(eap->otp);
202 eap->otp = (u8 *) os_strdup(pos);
203 eap->otp_len = os_strlen(pos);
204 os_free(eap->pending_req_otp);
205 eap->pending_req_otp = NULL;
206 eap->pending_req_otp_len = 0;
207 } else if (os_strcmp(rsp, "PASSPHRASE") == 0) {
208 os_free(eap->private_key_passwd);
209 eap->private_key_passwd = (u8 *) os_strdup(pos);
210 eap->pending_req_passphrase = 0;
211 if (ssid == wpa_s->current_ssid)
212 wpa_s->reassociate = 1;
213 } else {
214 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown field '%s'", rsp);
215 return -1;
216 }
217
218 return 0;
219 #else /* IEEE8021X_EAPOL */
220 wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
221 return -1;
222 #endif /* IEEE8021X_EAPOL */
223 }
224
225
226 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
227 const char *params,
228 char *buf, size_t buflen)
229 {
230 char *pos, *end, tmp[30];
231 int res, verbose, ret;
232
233 verbose = os_strcmp(params, "-VERBOSE") == 0;
234 pos = buf;
235 end = buf + buflen;
236 if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
237 struct wpa_ssid *ssid = wpa_s->current_ssid;
238 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
239 MAC2STR(wpa_s->bssid));
240 if (ret < 0 || ret >= end - pos)
241 return pos - buf;
242 pos += ret;
243 if (ssid) {
244 u8 *_ssid = ssid->ssid;
245 size_t ssid_len = ssid->ssid_len;
246 u8 ssid_buf[MAX_SSID_LEN];
247 if (ssid_len == 0) {
248 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
249 if (_res < 0)
250 ssid_len = 0;
251 else
252 ssid_len = _res;
253 _ssid = ssid_buf;
254 }
255 ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
256 wpa_ssid_txt(_ssid, ssid_len),
257 ssid->id);
258 if (ret < 0 || ret >= end - pos)
259 return pos - buf;
260 pos += ret;
261
262 if (ssid->id_str) {
263 ret = os_snprintf(pos, end - pos,
264 "id_str=%s\n",
265 ssid->id_str);
266 if (ret < 0 || ret >= end - pos)
267 return pos - buf;
268 pos += ret;
269 }
270 }
271
272 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
273 }
274 ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
275 wpa_supplicant_state_txt(wpa_s->wpa_state));
276 if (ret < 0 || ret >= end - pos)
277 return pos - buf;
278 pos += ret;
279
280 if (wpa_s->l2 &&
281 l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
282 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
283 if (ret < 0 || ret >= end - pos)
284 return pos - buf;
285 pos += ret;
286 }
287
288 if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X ||
289 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA ||
290 wpa_s->key_mgmt == WPA_KEY_MGMT_FT_IEEE8021X) {
291 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
292 verbose);
293 if (res >= 0)
294 pos += res;
295 }
296
297 res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
298 if (res >= 0)
299 pos += res;
300
301 return pos - buf;
302 }
303
304
305 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
306 char *cmd)
307 {
308 char *pos;
309 int id;
310 struct wpa_ssid *ssid;
311 u8 bssid[ETH_ALEN];
312
313 /* cmd: "<network id> <BSSID>" */
314 pos = os_strchr(cmd, ' ');
315 if (pos == NULL)
316 return -1;
317 *pos++ = '\0';
318 id = atoi(cmd);
319 wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
320 if (hwaddr_aton(pos, bssid)) {
321 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
322 return -1;
323 }
324
325 ssid = wpa_config_get_network(wpa_s->conf, id);
326 if (ssid == NULL) {
327 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
328 "to update", id);
329 return -1;
330 }
331
332 os_memcpy(ssid->bssid, bssid, ETH_ALEN);
333 ssid->bssid_set = !is_zero_ether_addr(bssid);
334
335 return 0;
336 }
337
338
339 static 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
390 static 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
437 static 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. */
516 static 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
566 static 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
599 static 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
644 static 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
688 static 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
726 static 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
747 static 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
795 static 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
849 static 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
894 static 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
918 static 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
966 static 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
1023 static 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
1076 static 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
1118 static 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
1167 static 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
1224 static 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
1325 static 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
1337 char * 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 #ifdef IEEE8021X_EAPOL
1400 } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
1401 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
1402 reply_len = -1;
1403 #endif /* IEEE8021X_EAPOL */
1404 #ifdef CONFIG_PEERKEY
1405 } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
1406 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
1407 reply_len = -1;
1408 #endif /* CONFIG_PEERKEY */
1409 #ifdef CONFIG_IEEE80211R
1410 } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
1411 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
1412 reply_len = -1;
1413 #endif /* CONFIG_IEEE80211R */
1414 } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
1415 {
1416 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
1417 wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
1418 reply_len = -1;
1419 else
1420 ctrl_rsp = 1;
1421 } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
1422 if (wpa_supplicant_reload_configuration(wpa_s))
1423 reply_len = -1;
1424 } else if (os_strcmp(buf, "TERMINATE") == 0) {
1425 eloop_terminate();
1426 } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
1427 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
1428 reply_len = -1;
1429 } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
1430 reply_len = wpa_supplicant_ctrl_iface_list_networks(
1431 wpa_s, reply, reply_size);
1432 } else if (os_strcmp(buf, "DISCONNECT") == 0) {
1433 wpa_s->reassociate = 0;
1434 wpa_s->disconnected = 1;
1435 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1436 } else if (os_strcmp(buf, "SCAN") == 0) {
1437 wpa_s->scan_req = 2;
1438 wpa_supplicant_req_scan(wpa_s, 0, 0);
1439 } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
1440 reply_len = wpa_supplicant_ctrl_iface_scan_results(
1441 wpa_s, reply, reply_size);
1442 } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
1443 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
1444 reply_len = -1;
1445 } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
1446 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
1447 reply_len = -1;
1448 } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
1449 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
1450 reply_len = -1;
1451 } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
1452 reply_len = wpa_supplicant_ctrl_iface_add_network(
1453 wpa_s, reply, reply_size);
1454 } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
1455 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
1456 reply_len = -1;
1457 } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
1458 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
1459 reply_len = -1;
1460 } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
1461 reply_len = wpa_supplicant_ctrl_iface_get_network(
1462 wpa_s, buf + 12, reply, reply_size);
1463 #ifndef CONFIG_NO_CONFIG_WRITE
1464 } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
1465 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
1466 reply_len = -1;
1467 #endif /* CONFIG_NO_CONFIG_WRITE */
1468 } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
1469 reply_len = wpa_supplicant_ctrl_iface_get_capability(
1470 wpa_s, buf + 15, reply, reply_size);
1471 } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
1472 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
1473 reply_len = -1;
1474 } else if (os_strcmp(buf, "INTERFACES") == 0) {
1475 reply_len = wpa_supplicant_global_iface_interfaces(
1476 wpa_s->global, reply, reply_size);
1477 } else if (os_strncmp(buf, "BSS ", 4) == 0) {
1478 reply_len = wpa_supplicant_ctrl_iface_bss(
1479 wpa_s, buf + 4, reply, reply_size);
1480 } else {
1481 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
1482 reply_len = 16;
1483 }
1484
1485 if (reply_len < 0) {
1486 os_memcpy(reply, "FAIL\n", 5);
1487 reply_len = 5;
1488 }
1489
1490 if (ctrl_rsp)
1491 eapol_sm_notify_ctrl_response(wpa_s->eapol);
1492
1493 *resp_len = reply_len;
1494 return reply;
1495 }
1496
1497
1498 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
1499 char *cmd)
1500 {
1501 struct wpa_interface iface;
1502 char *pos;
1503
1504 /*
1505 * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
1506 * TAB<bridge_ifname>
1507 */
1508 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
1509
1510 os_memset(&iface, 0, sizeof(iface));
1511
1512 do {
1513 iface.ifname = pos = cmd;
1514 pos = os_strchr(pos, '\t');
1515 if (pos)
1516 *pos++ = '\0';
1517 if (iface.ifname[0] == '\0')
1518 return -1;
1519 if (pos == NULL)
1520 break;
1521
1522 iface.confname = pos;
1523 pos = os_strchr(pos, '\t');
1524 if (pos)
1525 *pos++ = '\0';
1526 if (iface.confname[0] == '\0')
1527 iface.confname = NULL;
1528 if (pos == NULL)
1529 break;
1530
1531 iface.driver = pos;
1532 pos = os_strchr(pos, '\t');
1533 if (pos)
1534 *pos++ = '\0';
1535 if (iface.driver[0] == '\0')
1536 iface.driver = NULL;
1537 if (pos == NULL)
1538 break;
1539
1540 iface.ctrl_interface = pos;
1541 pos = os_strchr(pos, '\t');
1542 if (pos)
1543 *pos++ = '\0';
1544 if (iface.ctrl_interface[0] == '\0')
1545 iface.ctrl_interface = NULL;
1546 if (pos == NULL)
1547 break;
1548
1549 iface.driver_param = pos;
1550 pos = os_strchr(pos, '\t');
1551 if (pos)
1552 *pos++ = '\0';
1553 if (iface.driver_param[0] == '\0')
1554 iface.driver_param = NULL;
1555 if (pos == NULL)
1556 break;
1557
1558 iface.bridge_ifname = pos;
1559 pos = os_strchr(pos, '\t');
1560 if (pos)
1561 *pos++ = '\0';
1562 if (iface.bridge_ifname[0] == '\0')
1563 iface.bridge_ifname = NULL;
1564 if (pos == NULL)
1565 break;
1566 } while (0);
1567
1568 if (wpa_supplicant_get_iface(global, iface.ifname))
1569 return -1;
1570
1571 return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
1572 }
1573
1574
1575 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
1576 char *cmd)
1577 {
1578 struct wpa_supplicant *wpa_s;
1579
1580 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
1581
1582 wpa_s = wpa_supplicant_get_iface(global, cmd);
1583 if (wpa_s == NULL)
1584 return -1;
1585 return wpa_supplicant_remove_iface(global, wpa_s);
1586 }
1587
1588
1589 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
1590 char *buf, int len)
1591 {
1592 int res;
1593 char *pos, *end;
1594 struct wpa_supplicant *wpa_s;
1595
1596 wpa_s = global->ifaces;
1597 pos = buf;
1598 end = buf + len;
1599
1600 while (wpa_s) {
1601 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
1602 if (res < 0 || res >= end - pos) {
1603 *pos = '\0';
1604 break;
1605 }
1606 pos += res;
1607 wpa_s = wpa_s->next;
1608 }
1609 return pos - buf;
1610 }
1611
1612
1613 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
1614 char *buf, size_t *resp_len)
1615 {
1616 char *reply;
1617 const int reply_size = 2048;
1618 int reply_len;
1619
1620 wpa_hexdump_ascii(MSG_DEBUG, "RX global ctrl_iface",
1621 (const u8 *) buf, os_strlen(buf));
1622
1623 reply = os_malloc(reply_size);
1624 if (reply == NULL) {
1625 *resp_len = 1;
1626 return NULL;
1627 }
1628
1629 os_memcpy(reply, "OK\n", 3);
1630 reply_len = 3;
1631
1632 if (os_strcmp(buf, "PING") == 0) {
1633 os_memcpy(reply, "PONG\n", 5);
1634 reply_len = 5;
1635 } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
1636 if (wpa_supplicant_global_iface_add(global, buf + 14))
1637 reply_len = -1;
1638 } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
1639 if (wpa_supplicant_global_iface_remove(global, buf + 17))
1640 reply_len = -1;
1641 } else if (os_strcmp(buf, "INTERFACES") == 0) {
1642 reply_len = wpa_supplicant_global_iface_interfaces(
1643 global, reply, reply_size);
1644 } else if (os_strcmp(buf, "TERMINATE") == 0) {
1645 eloop_terminate();
1646 } else {
1647 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
1648 reply_len = 16;
1649 }
1650
1651 if (reply_len < 0) {
1652 os_memcpy(reply, "FAIL\n", 5);
1653 reply_len = 5;
1654 }
1655
1656 *resp_len = reply_len;
1657 return reply;
1658 }
NetBSD on the FriendlyARM MINI2440