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Check for SYS/GL during library init. Reason is that
[AROS.git] / workbench / network / WirelessManager / wpa_supplicant / ctrl_iface.c
blob19fea29fdbd36a345b0e06c9c5b8ac0767686118
1 /*
2 * WPA Supplicant / Control interface (shared code for all backends)
3 * Copyright (c) 2004-2010, 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 "utils/includes.h"
16
17 #include "utils/common.h"
18 #include "utils/eloop.h"
19 #include "common/ieee802_11_defs.h"
20 #include "common/wpa_ctrl.h"
21 #include "eap_peer/eap.h"
22 #include "eapol_supp/eapol_supp_sm.h"
23 #include "rsn_supp/wpa.h"
24 #include "rsn_supp/preauth.h"
25 #include "rsn_supp/pmksa_cache.h"
26 #include "l2_packet/l2_packet.h"
27 #include "wps/wps.h"
28 #include "config.h"
29 #include "wpa_supplicant_i.h"
30 #include "driver_i.h"
31 #include "wps_supplicant.h"
32 #include "ibss_rsn.h"
33 #include "ap.h"
34 #include "notify.h"
35 #include "bss.h"
36 #include "scan.h"
37 #include "ctrl_iface.h"
38
39 extern struct wpa_driver_ops *wpa_drivers[];
40
41 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
42 char *buf, int len);
43 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
44 char *buf, int len);
45
46
47 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
48 char *cmd)
49 {
50 char *value;
51 int ret = 0;
52
53 value = os_strchr(cmd, ' ');
54 if (value == NULL)
55 return -1;
56 *value++ = '\0';
57
58 wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
59 if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
60 eapol_sm_configure(wpa_s->eapol,
61 atoi(value), -1, -1, -1);
62 } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
63 eapol_sm_configure(wpa_s->eapol,
64 -1, atoi(value), -1, -1);
65 } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
66 eapol_sm_configure(wpa_s->eapol,
67 -1, -1, atoi(value), -1);
68 } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
69 eapol_sm_configure(wpa_s->eapol,
70 -1, -1, -1, atoi(value));
71 } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
72 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
73 atoi(value)))
74 ret = -1;
75 } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
76 0) {
77 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
78 atoi(value)))
79 ret = -1;
80 } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
81 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
82 ret = -1;
83 } else
84 ret = -1;
85
86 return ret;
87 }
88
89
90 #ifdef IEEE8021X_EAPOL
91 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
92 char *addr)
93 {
94 u8 bssid[ETH_ALEN];
95 struct wpa_ssid *ssid = wpa_s->current_ssid;
96
97 if (hwaddr_aton(addr, bssid)) {
98 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
99 "'%s'", addr);
100 return -1;
101 }
102
103 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
104 rsn_preauth_deinit(wpa_s->wpa);
105 if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
106 return -1;
107
108 return 0;
109 }
110 #endif /* IEEE8021X_EAPOL */
111
112
113 #ifdef CONFIG_PEERKEY
114 /* MLME-STKSTART.request(peer) */
115 static int wpa_supplicant_ctrl_iface_stkstart(
116 struct wpa_supplicant *wpa_s, char *addr)
117 {
118 u8 peer[ETH_ALEN];
119
120 if (hwaddr_aton(addr, peer)) {
121 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
122 "address '%s'", addr);
123 return -1;
124 }
125
126 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
127 MAC2STR(peer));
128
129 return wpa_sm_stkstart(wpa_s->wpa, peer);
130 }
131 #endif /* CONFIG_PEERKEY */
132
133
134 #ifdef CONFIG_IEEE80211R
135 static int wpa_supplicant_ctrl_iface_ft_ds(
136 struct wpa_supplicant *wpa_s, char *addr)
137 {
138 u8 target_ap[ETH_ALEN];
139 struct wpa_bss *bss;
140 const u8 *mdie;
141
142 if (hwaddr_aton(addr, target_ap)) {
143 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
144 "address '%s'", addr);
145 return -1;
146 }
147
148 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
149
150 bss = wpa_bss_get_bssid(wpa_s, target_ap);
151 if (bss)
152 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
153 else
154 mdie = NULL;
155
156 return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
157 }
158 #endif /* CONFIG_IEEE80211R */
159
160
161 #ifdef CONFIG_WPS
162 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
163 char *cmd)
164 {
165 u8 bssid[ETH_ALEN], *_bssid = bssid;
166
167 if (cmd == NULL || os_strcmp(cmd, "any") == 0)
168 _bssid = NULL;
169 else if (hwaddr_aton(cmd, bssid)) {
170 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
171 cmd);
172 return -1;
173 }
174
175 #ifdef CONFIG_AP
176 if (wpa_s->ap_iface)
177 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid);
178 #endif /* CONFIG_AP */
179
180 return wpas_wps_start_pbc(wpa_s, _bssid);
181 }
182
183
184 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
185 char *cmd, char *buf,
186 size_t buflen)
187 {
188 u8 bssid[ETH_ALEN], *_bssid = bssid;
189 char *pin;
190 int ret;
191
192 pin = os_strchr(cmd, ' ');
193 if (pin)
194 *pin++ = '\0';
195
196 if (os_strcmp(cmd, "any") == 0)
197 _bssid = NULL;
198 else if (hwaddr_aton(cmd, bssid)) {
199 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
200 cmd);
201 return -1;
202 }
203
204 #ifdef CONFIG_AP
205 if (wpa_s->ap_iface)
206 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
207 buf, buflen);
208 #endif /* CONFIG_AP */
209
210 if (pin) {
211 ret = wpas_wps_start_pin(wpa_s, _bssid, pin);
212 if (ret < 0)
213 return -1;
214 ret = os_snprintf(buf, buflen, "%s", pin);
215 if (ret < 0 || (size_t) ret >= buflen)
216 return -1;
217 return ret;
218 }
219
220 ret = wpas_wps_start_pin(wpa_s, _bssid, NULL);
221 if (ret < 0)
222 return -1;
223
224 /* Return the generated PIN */
225 ret = os_snprintf(buf, buflen, "%08d", ret);
226 if (ret < 0 || (size_t) ret >= buflen)
227 return -1;
228 return ret;
229 }
230
231
232 #ifdef CONFIG_WPS_OOB
233 static int wpa_supplicant_ctrl_iface_wps_oob(struct wpa_supplicant *wpa_s,
234 char *cmd)
235 {
236 char *path, *method, *name;
237
238 path = os_strchr(cmd, ' ');
239 if (path == NULL)
240 return -1;
241 *path++ = '\0';
242
243 method = os_strchr(path, ' ');
244 if (method == NULL)
245 return -1;
246 *method++ = '\0';
247
248 name = os_strchr(method, ' ');
249 if (name != NULL)
250 *name++ = '\0';
251
252 return wpas_wps_start_oob(wpa_s, cmd, path, method, name);
253 }
254 #endif /* CONFIG_WPS_OOB */
255
256
257 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
258 char *cmd)
259 {
260 u8 bssid[ETH_ALEN], *_bssid = bssid;
261 char *pin;
262 char *new_ssid;
263 char *new_auth;
264 char *new_encr;
265 char *new_key;
266 struct wps_new_ap_settings ap;
267
268 pin = os_strchr(cmd, ' ');
269 if (pin == NULL)
270 return -1;
271 *pin++ = '\0';
272
273 if (os_strcmp(cmd, "any") == 0)
274 _bssid = NULL;
275 else if (hwaddr_aton(cmd, bssid)) {
276 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
277 cmd);
278 return -1;
279 }
280
281 new_ssid = os_strchr(pin, ' ');
282 if (new_ssid == NULL)
283 return wpas_wps_start_reg(wpa_s, _bssid, pin, NULL);
284 *new_ssid++ = '\0';
285
286 new_auth = os_strchr(new_ssid, ' ');
287 if (new_auth == NULL)
288 return -1;
289 *new_auth++ = '\0';
290
291 new_encr = os_strchr(new_auth, ' ');
292 if (new_encr == NULL)
293 return -1;
294 *new_encr++ = '\0';
295
296 new_key = os_strchr(new_encr, ' ');
297 if (new_key == NULL)
298 return -1;
299 *new_key++ = '\0';
300
301 os_memset(&ap, 0, sizeof(ap));
302 ap.ssid_hex = new_ssid;
303 ap.auth = new_auth;
304 ap.encr = new_encr;
305 ap.key_hex = new_key;
306 return wpas_wps_start_reg(wpa_s, _bssid, pin, &ap);
307 }
308
309
310 #ifdef CONFIG_WPS_ER
311 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
312 char *cmd)
313 {
314 char *uuid = cmd, *pin;
315 pin = os_strchr(uuid, ' ');
316 if (pin == NULL)
317 return -1;
318 *pin++ = '\0';
319 return wpas_wps_er_add_pin(wpa_s, uuid, pin);
320 }
321
322
323 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
324 char *cmd)
325 {
326 char *uuid = cmd, *pin;
327 pin = os_strchr(uuid, ' ');
328 if (pin == NULL)
329 return -1;
330 *pin++ = '\0';
331 return wpas_wps_er_learn(wpa_s, uuid, pin);
332 }
333 #endif /* CONFIG_WPS_ER */
334
335 #endif /* CONFIG_WPS */
336
337
338 #ifdef CONFIG_IBSS_RSN
339 static int wpa_supplicant_ctrl_iface_ibss_rsn(
340 struct wpa_supplicant *wpa_s, char *addr)
341 {
342 u8 peer[ETH_ALEN];
343
344 if (hwaddr_aton(addr, peer)) {
345 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
346 "address '%s'", addr);
347 return -1;
348 }
349
350 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
351 MAC2STR(peer));
352
353 return ibss_rsn_start(wpa_s->ibss_rsn, peer);
354 }
355 #endif /* CONFIG_IBSS_RSN */
356
357
358 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
359 char *rsp)
360 {
361 #ifdef IEEE8021X_EAPOL
362 char *pos, *id_pos;
363 int id;
364 struct wpa_ssid *ssid;
365 struct eap_peer_config *eap;
366
367 pos = os_strchr(rsp, '-');
368 if (pos == NULL)
369 return -1;
370 *pos++ = '\0';
371 id_pos = pos;
372 pos = os_strchr(pos, ':');
373 if (pos == NULL)
374 return -1;
375 *pos++ = '\0';
376 id = atoi(id_pos);
377 wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
378 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
379 (u8 *) pos, os_strlen(pos));
380
381 ssid = wpa_config_get_network(wpa_s->conf, id);
382 if (ssid == NULL) {
383 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
384 "to update", id);
385 return -1;
386 }
387 eap = &ssid->eap;
388
389 if (os_strcmp(rsp, "IDENTITY") == 0) {
390 os_free(eap->identity);
391 eap->identity = (u8 *) os_strdup(pos);
392 eap->identity_len = os_strlen(pos);
393 eap->pending_req_identity = 0;
394 if (ssid == wpa_s->current_ssid)
395 wpa_s->reassociate = 1;
396 } else if (os_strcmp(rsp, "PASSWORD") == 0) {
397 os_free(eap->password);
398 eap->password = (u8 *) os_strdup(pos);
399 eap->password_len = os_strlen(pos);
400 eap->pending_req_password = 0;
401 if (ssid == wpa_s->current_ssid)
402 wpa_s->reassociate = 1;
403 } else if (os_strcmp(rsp, "NEW_PASSWORD") == 0) {
404 os_free(eap->new_password);
405 eap->new_password = (u8 *) os_strdup(pos);
406 eap->new_password_len = os_strlen(pos);
407 eap->pending_req_new_password = 0;
408 if (ssid == wpa_s->current_ssid)
409 wpa_s->reassociate = 1;
410 } else if (os_strcmp(rsp, "PIN") == 0) {
411 os_free(eap->pin);
412 eap->pin = os_strdup(pos);
413 eap->pending_req_pin = 0;
414 if (ssid == wpa_s->current_ssid)
415 wpa_s->reassociate = 1;
416 } else if (os_strcmp(rsp, "OTP") == 0) {
417 os_free(eap->otp);
418 eap->otp = (u8 *) os_strdup(pos);
419 eap->otp_len = os_strlen(pos);
420 os_free(eap->pending_req_otp);
421 eap->pending_req_otp = NULL;
422 eap->pending_req_otp_len = 0;
423 } else if (os_strcmp(rsp, "PASSPHRASE") == 0) {
424 os_free(eap->private_key_passwd);
425 eap->private_key_passwd = (u8 *) os_strdup(pos);
426 eap->pending_req_passphrase = 0;
427 if (ssid == wpa_s->current_ssid)
428 wpa_s->reassociate = 1;
429 } else {
430 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown field '%s'", rsp);
431 return -1;
432 }
433
434 return 0;
435 #else /* IEEE8021X_EAPOL */
436 wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
437 return -1;
438 #endif /* IEEE8021X_EAPOL */
439 }
440
441
442 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
443 const char *params,
444 char *buf, size_t buflen)
445 {
446 char *pos, *end, tmp[30];
447 int res, verbose, ret;
448
449 verbose = os_strcmp(params, "-VERBOSE") == 0;
450 pos = buf;
451 end = buf + buflen;
452 if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
453 struct wpa_ssid *ssid = wpa_s->current_ssid;
454 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
455 MAC2STR(wpa_s->bssid));
456 if (ret < 0 || ret >= end - pos)
457 return pos - buf;
458 pos += ret;
459 if (ssid) {
460 u8 *_ssid = ssid->ssid;
461 size_t ssid_len = ssid->ssid_len;
462 u8 ssid_buf[MAX_SSID_LEN];
463 if (ssid_len == 0) {
464 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
465 if (_res < 0)
466 ssid_len = 0;
467 else
468 ssid_len = _res;
469 _ssid = ssid_buf;
470 }
471 ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
472 wpa_ssid_txt(_ssid, ssid_len),
473 ssid->id);
474 if (ret < 0 || ret >= end - pos)
475 return pos - buf;
476 pos += ret;
477
478 if (ssid->id_str) {
479 ret = os_snprintf(pos, end - pos,
480 "id_str=%s\n",
481 ssid->id_str);
482 if (ret < 0 || ret >= end - pos)
483 return pos - buf;
484 pos += ret;
485 }
486
487 switch (ssid->mode) {
488 case WPAS_MODE_INFRA:
489 ret = os_snprintf(pos, end - pos,
490 "mode=station\n");
491 break;
492 case WPAS_MODE_IBSS:
493 ret = os_snprintf(pos, end - pos,
494 "mode=IBSS\n");
495 break;
496 case WPAS_MODE_AP:
497 ret = os_snprintf(pos, end - pos,
498 "mode=AP\n");
499 break;
500 default:
501 ret = 0;
502 break;
503 }
504 if (ret < 0 || ret >= end - pos)
505 return pos - buf;
506 pos += ret;
507 }
508
509 #ifdef CONFIG_AP
510 if (wpa_s->ap_iface) {
511 pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
512 end - pos,
513 verbose);
514 } else
515 #endif /* CONFIG_AP */
516 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
517 }
518 ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
519 wpa_supplicant_state_txt(wpa_s->wpa_state));
520 if (ret < 0 || ret >= end - pos)
521 return pos - buf;
522 pos += ret;
523
524 if (wpa_s->l2 &&
525 l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
526 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
527 if (ret < 0 || ret >= end - pos)
528 return pos - buf;
529 pos += ret;
530 }
531
532 if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
533 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
534 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
535 verbose);
536 if (res >= 0)
537 pos += res;
538 }
539
540 res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
541 if (res >= 0)
542 pos += res;
543
544 return pos - buf;
545 }
546
547
548 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
549 char *cmd)
550 {
551 char *pos;
552 int id;
553 struct wpa_ssid *ssid;
554 u8 bssid[ETH_ALEN];
555
556 /* cmd: "<network id> <BSSID>" */
557 pos = os_strchr(cmd, ' ');
558 if (pos == NULL)
559 return -1;
560 *pos++ = '\0';
561 id = atoi(cmd);
562 wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
563 if (hwaddr_aton(pos, bssid)) {
564 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
565 return -1;
566 }
567
568 ssid = wpa_config_get_network(wpa_s->conf, id);
569 if (ssid == NULL) {
570 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
571 "to update", id);
572 return -1;
573 }
574
575 os_memcpy(ssid->bssid, bssid, ETH_ALEN);
576 ssid->bssid_set = !is_zero_ether_addr(bssid);
577
578 return 0;
579 }
580
581
582 static int wpa_supplicant_ctrl_iface_list_networks(
583 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
584 {
585 char *pos, *end;
586 struct wpa_ssid *ssid;
587 int ret;
588
589 pos = buf;
590 end = buf + buflen;
591 ret = os_snprintf(pos, end - pos,
592 "network id / ssid / bssid / flags\n");
593 if (ret < 0 || ret >= end - pos)
594 return pos - buf;
595 pos += ret;
596
597 ssid = wpa_s->conf->ssid;
598 while (ssid) {
599 ret = os_snprintf(pos, end - pos, "%d\t%s",
600 ssid->id,
601 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
602 if (ret < 0 || ret >= end - pos)
603 return pos - buf;
604 pos += ret;
605 if (ssid->bssid_set) {
606 ret = os_snprintf(pos, end - pos, "\t" MACSTR,
607 MAC2STR(ssid->bssid));
608 } else {
609 ret = os_snprintf(pos, end - pos, "\tany");
610 }
611 if (ret < 0 || ret >= end - pos)
612 return pos - buf;
613 pos += ret;
614 ret = os_snprintf(pos, end - pos, "\t%s%s",
615 ssid == wpa_s->current_ssid ?
616 "[CURRENT]" : "",
617 ssid->disabled ? "[DISABLED]" : "");
618 if (ret < 0 || ret >= end - pos)
619 return pos - buf;
620 pos += ret;
621 ret = os_snprintf(pos, end - pos, "\n");
622 if (ret < 0 || ret >= end - pos)
623 return pos - buf;
624 pos += ret;
625
626 ssid = ssid->next;
627 }
628
629 return pos - buf;
630 }
631
632
633 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
634 {
635 int first = 1, ret;
636 ret = os_snprintf(pos, end - pos, "-");
637 if (ret < 0 || ret >= end - pos)
638 return pos;
639 pos += ret;
640 if (cipher & WPA_CIPHER_NONE) {
641 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : "+");
642 if (ret < 0 || ret >= end - pos)
643 return pos;
644 pos += ret;
645 first = 0;
646 }
647 if (cipher & WPA_CIPHER_WEP40) {
648 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : "+");
649 if (ret < 0 || ret >= end - pos)
650 return pos;
651 pos += ret;
652 first = 0;
653 }
654 if (cipher & WPA_CIPHER_WEP104) {
655 ret = os_snprintf(pos, end - pos, "%sWEP104",
656 first ? "" : "+");
657 if (ret < 0 || ret >= end - pos)
658 return pos;
659 pos += ret;
660 first = 0;
661 }
662 if (cipher & WPA_CIPHER_TKIP) {
663 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : "+");
664 if (ret < 0 || ret >= end - pos)
665 return pos;
666 pos += ret;
667 first = 0;
668 }
669 if (cipher & WPA_CIPHER_CCMP) {
670 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : "+");
671 if (ret < 0 || ret >= end - pos)
672 return pos;
673 pos += ret;
674 first = 0;
675 }
676 return pos;
677 }
678
679
680 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
681 const u8 *ie, size_t ie_len)
682 {
683 struct wpa_ie_data data;
684 int first, ret;
685
686 ret = os_snprintf(pos, end - pos, "[%s-", proto);
687 if (ret < 0 || ret >= end - pos)
688 return pos;
689 pos += ret;
690
691 if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
692 ret = os_snprintf(pos, end - pos, "?]");
693 if (ret < 0 || ret >= end - pos)
694 return pos;
695 pos += ret;
696 return pos;
697 }
698
699 first = 1;
700 if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
701 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
702 if (ret < 0 || ret >= end - pos)
703 return pos;
704 pos += ret;
705 first = 0;
706 }
707 if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
708 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
709 if (ret < 0 || ret >= end - pos)
710 return pos;
711 pos += ret;
712 first = 0;
713 }
714 if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
715 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
716 if (ret < 0 || ret >= end - pos)
717 return pos;
718 pos += ret;
719 first = 0;
720 }
721 #ifdef CONFIG_IEEE80211R
722 if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
723 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
724 first ? "" : "+");
725 if (ret < 0 || ret >= end - pos)
726 return pos;
727 pos += ret;
728 first = 0;
729 }
730 if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
731 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
732 first ? "" : "+");
733 if (ret < 0 || ret >= end - pos)
734 return pos;
735 pos += ret;
736 first = 0;
737 }
738 #endif /* CONFIG_IEEE80211R */
739 #ifdef CONFIG_IEEE80211W
740 if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
741 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
742 first ? "" : "+");
743 if (ret < 0 || ret >= end - pos)
744 return pos;
745 pos += ret;
746 first = 0;
747 }
748 if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
749 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
750 first ? "" : "+");
751 if (ret < 0 || ret >= end - pos)
752 return pos;
753 pos += ret;
754 first = 0;
755 }
756 #endif /* CONFIG_IEEE80211W */
757
758 pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
759
760 if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
761 ret = os_snprintf(pos, end - pos, "-preauth");
762 if (ret < 0 || ret >= end - pos)
763 return pos;
764 pos += ret;
765 }
766
767 ret = os_snprintf(pos, end - pos, "]");
768 if (ret < 0 || ret >= end - pos)
769 return pos;
770 pos += ret;
771
772 return pos;
773 }
774
775
776 #ifdef CONFIG_WPS
777 static char * wpa_supplicant_wps_ie_txt_buf(char *pos, char *end,
778 struct wpabuf *wps_ie)
779 {
780 int ret;
781 const char *txt;
782
783 if (wps_ie == NULL)
784 return pos;
785 if (wps_is_selected_pbc_registrar(wps_ie))
786 txt = "[WPS-PBC]";
787 else if (wps_is_selected_pin_registrar(wps_ie))
788 txt = "[WPS-PIN]";
789 else
790 txt = "[WPS]";
791
792 ret = os_snprintf(pos, end - pos, "%s", txt);
793 if (ret >= 0 && ret < end - pos)
794 pos += ret;
795 wpabuf_free(wps_ie);
796 return pos;
797 }
798 #endif /* CONFIG_WPS */
799
800
801 static char * wpa_supplicant_wps_ie_txt(char *pos, char *end,
802 const struct wpa_bss *bss)
803 {
804 #ifdef CONFIG_WPS
805 struct wpabuf *wps_ie;
806 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
807 return wpa_supplicant_wps_ie_txt_buf(pos, end, wps_ie);
808 #else /* CONFIG_WPS */
809 return pos;
810 #endif /* CONFIG_WPS */
811 }
812
813
814 /* Format one result on one text line into a buffer. */
815 static int wpa_supplicant_ctrl_iface_scan_result(
816 const struct wpa_bss *bss, char *buf, size_t buflen)
817 {
818 char *pos, *end;
819 int ret;
820 const u8 *ie, *ie2;
821
822 pos = buf;
823 end = buf + buflen;
824
825 ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
826 MAC2STR(bss->bssid), bss->freq, bss->level);
827 if (ret < 0 || ret >= end - pos)
828 return pos - buf;
829 pos += ret;
830 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
831 if (ie)
832 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
833 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
834 if (ie2)
835 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
836 pos = wpa_supplicant_wps_ie_txt(pos, end, bss);
837 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
838 ret = os_snprintf(pos, end - pos, "[WEP]");
839 if (ret < 0 || ret >= end - pos)
840 return pos - buf;
841 pos += ret;
842 }
843 if (bss->caps & IEEE80211_CAP_IBSS) {
844 ret = os_snprintf(pos, end - pos, "[IBSS]");
845 if (ret < 0 || ret >= end - pos)
846 return pos - buf;
847 pos += ret;
848 }
849 if (bss->caps & IEEE80211_CAP_ESS) {
850 ret = os_snprintf(pos, end - pos, "[ESS]");
851 if (ret < 0 || ret >= end - pos)
852 return pos - buf;
853 pos += ret;
854 }
855
856 ret = os_snprintf(pos, end - pos, "\t%s",
857 wpa_ssid_txt(bss->ssid, bss->ssid_len));
858 if (ret < 0 || ret >= end - pos)
859 return pos - buf;
860 pos += ret;
861
862 ret = os_snprintf(pos, end - pos, "\n");
863 if (ret < 0 || ret >= end - pos)
864 return pos - buf;
865 pos += ret;
866
867 return pos - buf;
868 }
869
870
871 static int wpa_supplicant_ctrl_iface_scan_results(
872 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
873 {
874 char *pos, *end;
875 struct wpa_bss *bss;
876 int ret;
877
878 pos = buf;
879 end = buf + buflen;
880 ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
881 "flags / ssid\n");
882 if (ret < 0 || ret >= end - pos)
883 return pos - buf;
884 pos += ret;
885
886 dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
887 ret = wpa_supplicant_ctrl_iface_scan_result(bss, pos,
888 end - pos);
889 if (ret < 0 || ret >= end - pos)
890 return pos - buf;
891 pos += ret;
892 }
893
894 return pos - buf;
895 }
896
897
898 static int wpa_supplicant_ctrl_iface_select_network(
899 struct wpa_supplicant *wpa_s, char *cmd)
900 {
901 int id;
902 struct wpa_ssid *ssid;
903
904 /* cmd: "<network id>" or "any" */
905 if (os_strcmp(cmd, "any") == 0) {
906 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
907 ssid = NULL;
908 } else {
909 id = atoi(cmd);
910 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
911
912 ssid = wpa_config_get_network(wpa_s->conf, id);
913 if (ssid == NULL) {
914 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
915 "network id=%d", id);
916 return -1;
917 }
918 }
919
920 wpa_supplicant_select_network(wpa_s, ssid);
921
922 return 0;
923 }
924
925
926 static int wpa_supplicant_ctrl_iface_enable_network(
927 struct wpa_supplicant *wpa_s, char *cmd)
928 {
929 int id;
930 struct wpa_ssid *ssid;
931
932 /* cmd: "<network id>" or "all" */
933 if (os_strcmp(cmd, "all") == 0) {
934 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
935 ssid = NULL;
936 } else {
937 id = atoi(cmd);
938 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
939
940 ssid = wpa_config_get_network(wpa_s->conf, id);
941 if (ssid == NULL) {
942 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
943 "network id=%d", id);
944 return -1;
945 }
946 }
947 wpa_supplicant_enable_network(wpa_s, ssid);
948
949 return 0;
950 }
951
952
953 static int wpa_supplicant_ctrl_iface_disable_network(
954 struct wpa_supplicant *wpa_s, char *cmd)
955 {
956 int id;
957 struct wpa_ssid *ssid;
958
959 /* cmd: "<network id>" or "all" */
960 if (os_strcmp(cmd, "all") == 0) {
961 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
962 ssid = NULL;
963 } else {
964 id = atoi(cmd);
965 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
966
967 ssid = wpa_config_get_network(wpa_s->conf, id);
968 if (ssid == NULL) {
969 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
970 "network id=%d", id);
971 return -1;
972 }
973 }
974 wpa_supplicant_disable_network(wpa_s, ssid);
975
976 return 0;
977 }
978
979
980 static int wpa_supplicant_ctrl_iface_add_network(
981 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
982 {
983 struct wpa_ssid *ssid;
984 int ret;
985
986 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
987
988 ssid = wpa_config_add_network(wpa_s->conf);
989 if (ssid == NULL)
990 return -1;
991
992 wpas_notify_network_added(wpa_s, ssid);
993
994 ssid->disabled = 1;
995 wpa_config_set_network_defaults(ssid);
996
997 ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
998 if (ret < 0 || (size_t) ret >= buflen)
999 return -1;
1000 return ret;
1001 }
1002
1003
1004 static int wpa_supplicant_ctrl_iface_remove_network(
1005 struct wpa_supplicant *wpa_s, char *cmd)
1006 {
1007 int id;
1008 struct wpa_ssid *ssid;
1009
1010 /* cmd: "<network id>" or "all" */
1011 if (os_strcmp(cmd, "all") == 0) {
1012 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
1013 ssid = wpa_s->conf->ssid;
1014 while (ssid) {
1015 struct wpa_ssid *remove_ssid = ssid;
1016 id = ssid->id;
1017 ssid = ssid->next;
1018 wpas_notify_network_removed(wpa_s, remove_ssid);
1019 wpa_config_remove_network(wpa_s->conf, id);
1020 }
1021 if (wpa_s->current_ssid) {
1022 eapol_sm_invalidate_cached_session(wpa_s->eapol);
1023 wpa_supplicant_disassociate(wpa_s,
1024 WLAN_REASON_DEAUTH_LEAVING);
1025 }
1026 return 0;
1027 }
1028
1029 id = atoi(cmd);
1030 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
1031
1032 ssid = wpa_config_get_network(wpa_s->conf, id);
1033 if (ssid == NULL ||
1034 wpa_config_remove_network(wpa_s->conf, id) < 0) {
1035 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
1036 "id=%d", id);
1037 return -1;
1038 }
1039
1040 if (ssid == wpa_s->current_ssid) {
1041 /*
1042 * Invalidate the EAP session cache if the current network is
1043 * removed.
1044 */
1045 eapol_sm_invalidate_cached_session(wpa_s->eapol);
1046
1047 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1048 }
1049
1050 return 0;
1051 }
1052
1053
1054 static int wpa_supplicant_ctrl_iface_set_network(
1055 struct wpa_supplicant *wpa_s, char *cmd)
1056 {
1057 int id;
1058 struct wpa_ssid *ssid;
1059 char *name, *value;
1060
1061 /* cmd: "<network id> <variable name> <value>" */
1062 name = os_strchr(cmd, ' ');
1063 if (name == NULL)
1064 return -1;
1065 *name++ = '\0';
1066
1067 value = os_strchr(name, ' ');
1068 if (value == NULL)
1069 return -1;
1070 *value++ = '\0';
1071
1072 id = atoi(cmd);
1073 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
1074 id, name);
1075 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1076 (u8 *) value, os_strlen(value));
1077
1078 ssid = wpa_config_get_network(wpa_s->conf, id);
1079 if (ssid == NULL) {
1080 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
1081 "id=%d", id);
1082 return -1;
1083 }
1084
1085 if (wpa_config_set(ssid, name, value, 0) < 0) {
1086 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
1087 "variable '%s'", name);
1088 return -1;
1089 }
1090
1091 if (wpa_s->current_ssid == ssid) {
1092 /*
1093 * Invalidate the EAP session cache if anything in the current
1094 * configuration changes.
1095 */
1096 eapol_sm_invalidate_cached_session(wpa_s->eapol);
1097 }
1098
1099 if ((os_strcmp(name, "psk") == 0 &&
1100 value[0] == '"' && ssid->ssid_len) ||
1101 (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
1102 wpa_config_update_psk(ssid);
1103 else if (os_strcmp(name, "priority") == 0)
1104 wpa_config_update_prio_list(wpa_s->conf);
1105
1106 return 0;
1107 }
1108
1109
1110 static int wpa_supplicant_ctrl_iface_get_network(
1111 struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
1112 {
1113 int id;
1114 size_t res;
1115 struct wpa_ssid *ssid;
1116 char *name, *value;
1117
1118 /* cmd: "<network id> <variable name>" */
1119 name = os_strchr(cmd, ' ');
1120 if (name == NULL || buflen == 0)
1121 return -1;
1122 *name++ = '\0';
1123
1124 id = atoi(cmd);
1125 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
1126 id, name);
1127
1128 ssid = wpa_config_get_network(wpa_s->conf, id);
1129 if (ssid == NULL) {
1130 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
1131 "id=%d", id);
1132 return -1;
1133 }
1134
1135 value = wpa_config_get_no_key(ssid, name);
1136 if (value == NULL) {
1137 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
1138 "variable '%s'", name);
1139 return -1;
1140 }
1141
1142 res = os_strlcpy(buf, value, buflen);
1143 if (res >= buflen) {
1144 os_free(value);
1145 return -1;
1146 }
1147
1148 os_free(value);
1149
1150 return res;
1151 }
1152
1153
1154 #ifndef CONFIG_NO_CONFIG_WRITE
1155 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
1156 {
1157 int ret;
1158
1159 if (!wpa_s->conf->update_config) {
1160 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
1161 "to update configuration (update_config=0)");
1162 return -1;
1163 }
1164
1165 ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
1166 if (ret) {
1167 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
1168 "update configuration");
1169 } else {
1170 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
1171 " updated");
1172 }
1173
1174 return ret;
1175 }
1176 #endif /* CONFIG_NO_CONFIG_WRITE */
1177
1178
1179 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
1180 struct wpa_driver_capa *capa,
1181 char *buf, size_t buflen)
1182 {
1183 int ret, first = 1;
1184 char *pos, *end;
1185 size_t len;
1186
1187 pos = buf;
1188 end = pos + buflen;
1189
1190 if (res < 0) {
1191 if (strict)
1192 return 0;
1193 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
1194 if (len >= buflen)
1195 return -1;
1196 return len;
1197 }
1198
1199 if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
1200 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
1201 if (ret < 0 || ret >= end - pos)
1202 return pos - buf;
1203 pos += ret;
1204 first = 0;
1205 }
1206
1207 if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
1208 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
1209 if (ret < 0 || ret >= end - pos)
1210 return pos - buf;
1211 pos += ret;
1212 first = 0;
1213 }
1214
1215 if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
1216 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
1217 if (ret < 0 || ret >= end - pos)
1218 return pos - buf;
1219 pos += ret;
1220 first = 0;
1221 }
1222
1223 return pos - buf;
1224 }
1225
1226
1227 static int ctrl_iface_get_capability_group(int res, char *strict,
1228 struct wpa_driver_capa *capa,
1229 char *buf, size_t buflen)
1230 {
1231 int ret, first = 1;
1232 char *pos, *end;
1233 size_t len;
1234
1235 pos = buf;
1236 end = pos + buflen;
1237
1238 if (res < 0) {
1239 if (strict)
1240 return 0;
1241 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
1242 if (len >= buflen)
1243 return -1;
1244 return len;
1245 }
1246
1247 if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
1248 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
1249 if (ret < 0 || ret >= end - pos)
1250 return pos - buf;
1251 pos += ret;
1252 first = 0;
1253 }
1254
1255 if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
1256 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
1257 if (ret < 0 || ret >= end - pos)
1258 return pos - buf;
1259 pos += ret;
1260 first = 0;
1261 }
1262
1263 if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP104) {
1264 ret = os_snprintf(pos, end - pos, "%sWEP104",
1265 first ? "" : " ");
1266 if (ret < 0 || ret >= end - pos)
1267 return pos - buf;
1268 pos += ret;
1269 first = 0;
1270 }
1271
1272 if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
1273 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
1274 if (ret < 0 || ret >= end - pos)
1275 return pos - buf;
1276 pos += ret;
1277 first = 0;
1278 }
1279
1280 return pos - buf;
1281 }
1282
1283
1284 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
1285 struct wpa_driver_capa *capa,
1286 char *buf, size_t buflen)
1287 {
1288 int ret;
1289 char *pos, *end;
1290 size_t len;
1291
1292 pos = buf;
1293 end = pos + buflen;
1294
1295 if (res < 0) {
1296 if (strict)
1297 return 0;
1298 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
1299 "NONE", buflen);
1300 if (len >= buflen)
1301 return -1;
1302 return len;
1303 }
1304
1305 ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
1306 if (ret < 0 || ret >= end - pos)
1307 return pos - buf;
1308 pos += ret;
1309
1310 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1311 WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
1312 ret = os_snprintf(pos, end - pos, " WPA-EAP");
1313 if (ret < 0 || ret >= end - pos)
1314 return pos - buf;
1315 pos += ret;
1316 }
1317
1318 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
1319 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
1320 ret = os_snprintf(pos, end - pos, " WPA-PSK");
1321 if (ret < 0 || ret >= end - pos)
1322 return pos - buf;
1323 pos += ret;
1324 }
1325
1326 if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
1327 ret = os_snprintf(pos, end - pos, " WPA-NONE");
1328 if (ret < 0 || ret >= end - pos)
1329 return pos - buf;
1330 pos += ret;
1331 }
1332
1333 return pos - buf;
1334 }
1335
1336
1337 static int ctrl_iface_get_capability_proto(int res, char *strict,
1338 struct wpa_driver_capa *capa,
1339 char *buf, size_t buflen)
1340 {
1341 int ret, first = 1;
1342 char *pos, *end;
1343 size_t len;
1344
1345 pos = buf;
1346 end = pos + buflen;
1347
1348 if (res < 0) {
1349 if (strict)
1350 return 0;
1351 len = os_strlcpy(buf, "RSN WPA", buflen);
1352 if (len >= buflen)
1353 return -1;
1354 return len;
1355 }
1356
1357 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
1358 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
1359 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
1360 if (ret < 0 || ret >= end - pos)
1361 return pos - buf;
1362 pos += ret;
1363 first = 0;
1364 }
1365
1366 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1367 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
1368 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
1369 if (ret < 0 || ret >= end - pos)
1370 return pos - buf;
1371 pos += ret;
1372 first = 0;
1373 }
1374
1375 return pos - buf;
1376 }
1377
1378
1379 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
1380 struct wpa_driver_capa *capa,
1381 char *buf, size_t buflen)
1382 {
1383 int ret, first = 1;
1384 char *pos, *end;
1385 size_t len;
1386
1387 pos = buf;
1388 end = pos + buflen;
1389
1390 if (res < 0) {
1391 if (strict)
1392 return 0;
1393 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
1394 if (len >= buflen)
1395 return -1;
1396 return len;
1397 }
1398
1399 if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
1400 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
1401 if (ret < 0 || ret >= end - pos)
1402 return pos - buf;
1403 pos += ret;
1404 first = 0;
1405 }
1406
1407 if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
1408 ret = os_snprintf(pos, end - pos, "%sSHARED",
1409 first ? "" : " ");
1410 if (ret < 0 || ret >= end - pos)
1411 return pos - buf;
1412 pos += ret;
1413 first = 0;
1414 }
1415
1416 if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
1417 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
1418 if (ret < 0 || ret >= end - pos)
1419 return pos - buf;
1420 pos += ret;
1421 first = 0;
1422 }
1423
1424 return pos - buf;
1425 }
1426
1427
1428 static int wpa_supplicant_ctrl_iface_get_capability(
1429 struct wpa_supplicant *wpa_s, const char *_field, char *buf,
1430 size_t buflen)
1431 {
1432 struct wpa_driver_capa capa;
1433 int res;
1434 char *strict;
1435 char field[30];
1436 size_t len;
1437
1438 /* Determine whether or not strict checking was requested */
1439 len = os_strlcpy(field, _field, sizeof(field));
1440 if (len >= sizeof(field))
1441 return -1;
1442 strict = os_strchr(field, ' ');
1443 if (strict != NULL) {
1444 *strict++ = '\0';
1445 if (os_strcmp(strict, "strict") != 0)
1446 return -1;
1447 }
1448
1449 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
1450 field, strict ? strict : "");
1451
1452 if (os_strcmp(field, "eap") == 0) {
1453 return eap_get_names(buf, buflen);
1454 }
1455
1456 res = wpa_drv_get_capa(wpa_s, &capa);
1457
1458 if (os_strcmp(field, "pairwise") == 0)
1459 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
1460 buf, buflen);
1461
1462 if (os_strcmp(field, "group") == 0)
1463 return ctrl_iface_get_capability_group(res, strict, &capa,
1464 buf, buflen);
1465
1466 if (os_strcmp(field, "key_mgmt") == 0)
1467 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
1468 buf, buflen);
1469
1470 if (os_strcmp(field, "proto") == 0)
1471 return ctrl_iface_get_capability_proto(res, strict, &capa,
1472 buf, buflen);
1473
1474 if (os_strcmp(field, "auth_alg") == 0)
1475 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
1476 buf, buflen);
1477
1478 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
1479 field);
1480
1481 return -1;
1482 }
1483
1484
1485 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
1486 const char *cmd, char *buf,
1487 size_t buflen)
1488 {
1489 u8 bssid[ETH_ALEN];
1490 size_t i;
1491 struct wpa_bss *bss;
1492 int ret;
1493 char *pos, *end;
1494 const u8 *ie, *ie2;
1495
1496 if (os_strcmp(cmd, "FIRST") == 0)
1497 bss = dl_list_first(&wpa_s->bss, struct wpa_bss, list);
1498 else if (os_strncmp(cmd, "ID-", 3) == 0) {
1499 i = atoi(cmd + 3);
1500 bss = wpa_bss_get_id(wpa_s, i);
1501 } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
1502 i = atoi(cmd + 5);
1503 bss = wpa_bss_get_id(wpa_s, i);
1504 if (bss) {
1505 struct dl_list *next = bss->list_id.next;
1506 if (next == &wpa_s->bss_id)
1507 bss = NULL;
1508 else
1509 bss = dl_list_entry(next, struct wpa_bss,
1510 list_id);
1511 }
1512 } else if (hwaddr_aton(cmd, bssid) == 0)
1513 bss = wpa_bss_get_bssid(wpa_s, bssid);
1514 else {
1515 struct wpa_bss *tmp;
1516 i = atoi(cmd);
1517 bss = NULL;
1518 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
1519 {
1520 if (i-- == 0) {
1521 bss = tmp;
1522 break;
1523 }
1524 }
1525 }
1526
1527 if (bss == NULL)
1528 return 0;
1529
1530 pos = buf;
1531 end = buf + buflen;
1532 ret = os_snprintf(pos, end - pos,
1533 "id=%u\n"
1534 "bssid=" MACSTR "\n"
1535 "freq=%d\n"
1536 "beacon_int=%d\n"
1537 "capabilities=0x%04x\n"
1538 "qual=%d\n"
1539 "noise=%d\n"
1540 "level=%d\n"
1541 "tsf=%016llu\n"
1542 "ie=",
1543 bss->id,
1544 MAC2STR(bss->bssid), bss->freq, bss->beacon_int,
1545 bss->caps, bss->qual, bss->noise, bss->level,
1546 (unsigned long long) bss->tsf);
1547 if (ret < 0 || ret >= end - pos)
1548 return pos - buf;
1549 pos += ret;
1550
1551 ie = (const u8 *) (bss + 1);
1552 for (i = 0; i < bss->ie_len; i++) {
1553 ret = os_snprintf(pos, end - pos, "%02x", *ie++);
1554 if (ret < 0 || ret >= end - pos)
1555 return pos - buf;
1556 pos += ret;
1557 }
1558
1559 ret = os_snprintf(pos, end - pos, "\n");
1560 if (ret < 0 || ret >= end - pos)
1561 return pos - buf;
1562 pos += ret;
1563
1564 ret = os_snprintf(pos, end - pos, "flags=");
1565 if (ret < 0 || ret >= end - pos)
1566 return pos - buf;
1567 pos += ret;
1568
1569 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
1570 if (ie)
1571 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
1572 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
1573 if (ie2)
1574 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
1575 pos = wpa_supplicant_wps_ie_txt(pos, end, bss);
1576 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
1577 ret = os_snprintf(pos, end - pos, "[WEP]");
1578 if (ret < 0 || ret >= end - pos)
1579 return pos - buf;
1580 pos += ret;
1581 }
1582 if (bss->caps & IEEE80211_CAP_IBSS) {
1583 ret = os_snprintf(pos, end - pos, "[IBSS]");
1584 if (ret < 0 || ret >= end - pos)
1585 return pos - buf;
1586 pos += ret;
1587 }
1588 if (bss->caps & IEEE80211_CAP_ESS) {
1589 ret = os_snprintf(pos, end - pos, "[ESS]");
1590 if (ret < 0 || ret >= end - pos)
1591 return pos - buf;
1592 pos += ret;
1593 }
1594
1595 ret = os_snprintf(pos, end - pos, "\n");
1596 if (ret < 0 || ret >= end - pos)
1597 return pos - buf;
1598 pos += ret;
1599
1600 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
1601 wpa_ssid_txt(bss->ssid, bss->ssid_len));
1602 if (ret < 0 || ret >= end - pos)
1603 return pos - buf;
1604 pos += ret;
1605
1606 #ifdef CONFIG_WPS
1607 ie = (const u8 *) (bss + 1);
1608 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
1609 if (ret < 0 || ret >= end - pos)
1610 return pos - buf;
1611 pos += ret;
1612 #endif /* CONFIG_WPS */
1613
1614 return pos - buf;
1615 }
1616
1617
1618 static int wpa_supplicant_ctrl_iface_ap_scan(
1619 struct wpa_supplicant *wpa_s, char *cmd)
1620 {
1621 int ap_scan = atoi(cmd);
1622 return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
1623 }
1624
1625
1626 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
1627 {
1628 u8 *bcast = (u8 *) "\xff\xff\xff\xff\xff\xff";
1629
1630 wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
1631 /* MLME-DELETEKEYS.request */
1632 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, bcast, 0, 0, NULL, 0, NULL, 0);
1633 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, bcast, 1, 0, NULL, 0, NULL, 0);
1634 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, bcast, 2, 0, NULL, 0, NULL, 0);
1635 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, bcast, 3, 0, NULL, 0, NULL, 0);
1636 #ifdef CONFIG_IEEE80211W
1637 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, bcast, 4, 0, NULL, 0, NULL, 0);
1638 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, bcast, 5, 0, NULL, 0, NULL, 0);
1639 #endif /* CONFIG_IEEE80211W */
1640
1641 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
1642 0);
1643 /* MLME-SETPROTECTION.request(None) */
1644 wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
1645 MLME_SETPROTECTION_PROTECT_TYPE_NONE,
1646 MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
1647 wpa_sm_drop_sa(wpa_s->wpa);
1648 }
1649
1650
1651 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
1652 char *addr)
1653 {
1654 u8 bssid[ETH_ALEN];
1655 struct wpa_bss *bss;
1656 struct wpa_ssid *ssid = wpa_s->current_ssid;
1657
1658 if (hwaddr_aton(addr, bssid)) {
1659 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
1660 "address '%s'", addr);
1661 return -1;
1662 }
1663
1664 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
1665
1666 bss = wpa_bss_get_bssid(wpa_s, bssid);
1667 if (!bss) {
1668 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
1669 "from BSS table");
1670 return -1;
1671 }
1672
1673 /*
1674 * TODO: Find best network configuration block from configuration to
1675 * allow roaming to other networks
1676 */
1677
1678 if (!ssid) {
1679 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
1680 "configuration known for the target AP");
1681 return -1;
1682 }
1683
1684 wpa_s->reassociate = 1;
1685 wpa_supplicant_connect(wpa_s, bss, ssid);
1686
1687 return 0;
1688 }
1689
1690
1691 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
1692 char *buf, size_t *resp_len)
1693 {
1694 char *reply;
1695 const int reply_size = 2048;
1696 int ctrl_rsp = 0;
1697 int reply_len;
1698
1699 if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
1700 os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
1701 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
1702 (const u8 *) buf, os_strlen(buf));
1703 } else {
1704 wpa_hexdump_ascii(MSG_DEBUG, "RX ctrl_iface",
1705 (const u8 *) buf, os_strlen(buf));
1706 }
1707
1708 reply = os_malloc(reply_size);
1709 if (reply == NULL) {
1710 *resp_len = 1;
1711 return NULL;
1712 }
1713
1714 os_memcpy(reply, "OK\n", 3);
1715 reply_len = 3;
1716
1717 if (os_strcmp(buf, "PING") == 0) {
1718 os_memcpy(reply, "PONG\n", 5);
1719 reply_len = 5;
1720 } else if (os_strcmp(buf, "MIB") == 0) {
1721 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
1722 if (reply_len >= 0) {
1723 int res;
1724 res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
1725 reply_size - reply_len);
1726 if (res < 0)
1727 reply_len = -1;
1728 else
1729 reply_len += res;
1730 }
1731 } else if (os_strncmp(buf, "STATUS", 6) == 0) {
1732 reply_len = wpa_supplicant_ctrl_iface_status(
1733 wpa_s, buf + 6, reply, reply_size);
1734 } else if (os_strcmp(buf, "PMKSA") == 0) {
1735 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
1736 reply_size);
1737 } else if (os_strncmp(buf, "SET ", 4) == 0) {
1738 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
1739 reply_len = -1;
1740 } else if (os_strcmp(buf, "LOGON") == 0) {
1741 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
1742 } else if (os_strcmp(buf, "LOGOFF") == 0) {
1743 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
1744 } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
1745 wpa_s->disconnected = 0;
1746 wpa_s->reassociate = 1;
1747 wpa_supplicant_req_scan(wpa_s, 0, 0);
1748 } else if (os_strcmp(buf, "RECONNECT") == 0) {
1749 if (wpa_s->disconnected) {
1750 wpa_s->disconnected = 0;
1751 wpa_s->reassociate = 1;
1752 wpa_supplicant_req_scan(wpa_s, 0, 0);
1753 }
1754 #ifdef IEEE8021X_EAPOL
1755 } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
1756 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
1757 reply_len = -1;
1758 #endif /* IEEE8021X_EAPOL */
1759 #ifdef CONFIG_PEERKEY
1760 } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
1761 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
1762 reply_len = -1;
1763 #endif /* CONFIG_PEERKEY */
1764 #ifdef CONFIG_IEEE80211R
1765 } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
1766 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
1767 reply_len = -1;
1768 #endif /* CONFIG_IEEE80211R */
1769 #ifdef CONFIG_WPS
1770 } else if (os_strcmp(buf, "WPS_PBC") == 0) {
1771 if (wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL))
1772 reply_len = -1;
1773 } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
1774 if (wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8))
1775 reply_len = -1;
1776 } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
1777 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
1778 reply,
1779 reply_size);
1780 #ifdef CONFIG_WPS_OOB
1781 } else if (os_strncmp(buf, "WPS_OOB ", 8) == 0) {
1782 if (wpa_supplicant_ctrl_iface_wps_oob(wpa_s, buf + 8))
1783 reply_len = -1;
1784 #endif /* CONFIG_WPS_OOB */
1785 } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
1786 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
1787 reply_len = -1;
1788 #ifdef CONFIG_WPS_ER
1789 } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
1790 if (wpas_wps_er_start(wpa_s))
1791 reply_len = -1;
1792 } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
1793 if (wpas_wps_er_stop(wpa_s))
1794 reply_len = -1;
1795 } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
1796 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
1797 reply_len = -1;
1798 } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
1799 if (wpas_wps_er_pbc(wpa_s, buf + 11))
1800 reply_len = -1;
1801 } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
1802 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
1803 reply_len = -1;
1804 #endif /* CONFIG_WPS_ER */
1805 #endif /* CONFIG_WPS */
1806 #ifdef CONFIG_IBSS_RSN
1807 } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
1808 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
1809 reply_len = -1;
1810 #endif /* CONFIG_IBSS_RSN */
1811 } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
1812 {
1813 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
1814 wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
1815 reply_len = -1;
1816 else
1817 ctrl_rsp = 1;
1818 } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
1819 if (wpa_supplicant_reload_configuration(wpa_s))
1820 reply_len = -1;
1821 } else if (os_strcmp(buf, "TERMINATE") == 0) {
1822 wpa_supplicant_terminate_proc(wpa_s->global);
1823 } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
1824 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
1825 reply_len = -1;
1826 } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
1827 reply_len = wpa_supplicant_ctrl_iface_list_networks(
1828 wpa_s, reply, reply_size);
1829 } else if (os_strcmp(buf, "DISCONNECT") == 0) {
1830 wpa_s->reassociate = 0;
1831 wpa_s->disconnected = 1;
1832 wpa_supplicant_deauthenticate(wpa_s,
1833 WLAN_REASON_DEAUTH_LEAVING);
1834 } else if (os_strcmp(buf, "SCAN") == 0) {
1835 wpa_s->scan_req = 2;
1836 wpa_supplicant_req_scan(wpa_s, 0, 0);
1837 } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
1838 reply_len = wpa_supplicant_ctrl_iface_scan_results(
1839 wpa_s, reply, reply_size);
1840 } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
1841 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
1842 reply_len = -1;
1843 } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
1844 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
1845 reply_len = -1;
1846 } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
1847 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
1848 reply_len = -1;
1849 } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
1850 reply_len = wpa_supplicant_ctrl_iface_add_network(
1851 wpa_s, reply, reply_size);
1852 } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
1853 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
1854 reply_len = -1;
1855 } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
1856 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
1857 reply_len = -1;
1858 } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
1859 reply_len = wpa_supplicant_ctrl_iface_get_network(
1860 wpa_s, buf + 12, reply, reply_size);
1861 #ifndef CONFIG_NO_CONFIG_WRITE
1862 } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
1863 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
1864 reply_len = -1;
1865 #endif /* CONFIG_NO_CONFIG_WRITE */
1866 } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
1867 reply_len = wpa_supplicant_ctrl_iface_get_capability(
1868 wpa_s, buf + 15, reply, reply_size);
1869 } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
1870 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
1871 reply_len = -1;
1872 } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
1873 reply_len = wpa_supplicant_global_iface_list(
1874 wpa_s->global, reply, reply_size);
1875 } else if (os_strcmp(buf, "INTERFACES") == 0) {
1876 reply_len = wpa_supplicant_global_iface_interfaces(
1877 wpa_s->global, reply, reply_size);
1878 } else if (os_strncmp(buf, "BSS ", 4) == 0) {
1879 reply_len = wpa_supplicant_ctrl_iface_bss(
1880 wpa_s, buf + 4, reply, reply_size);
1881 #ifdef CONFIG_AP
1882 } else if (os_strcmp(buf, "STA-FIRST") == 0) {
1883 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
1884 } else if (os_strncmp(buf, "STA ", 4) == 0) {
1885 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
1886 reply_size);
1887 } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
1888 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
1889 reply_size);
1890 #endif /* CONFIG_AP */
1891 } else if (os_strcmp(buf, "SUSPEND") == 0) {
1892 wpas_notify_suspend(wpa_s->global);
1893 } else if (os_strcmp(buf, "RESUME") == 0) {
1894 wpas_notify_resume(wpa_s->global);
1895 } else if (os_strcmp(buf, "DROP_SA") == 0) {
1896 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
1897 } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
1898 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
1899 reply_len = -1;
1900 } else {
1901 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
1902 reply_len = 16;
1903 }
1904
1905 if (reply_len < 0) {
1906 os_memcpy(reply, "FAIL\n", 5);
1907 reply_len = 5;
1908 }
1909
1910 if (ctrl_rsp)
1911 eapol_sm_notify_ctrl_response(wpa_s->eapol);
1912
1913 *resp_len = reply_len;
1914 return reply;
1915 }
1916
1917
1918 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
1919 char *cmd)
1920 {
1921 struct wpa_interface iface;
1922 char *pos;
1923
1924 /*
1925 * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
1926 * TAB<bridge_ifname>
1927 */
1928 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
1929
1930 os_memset(&iface, 0, sizeof(iface));
1931
1932 do {
1933 iface.ifname = pos = cmd;
1934 pos = os_strchr(pos, '\t');
1935 if (pos)
1936 *pos++ = '\0';
1937 if (iface.ifname[0] == '\0')
1938 return -1;
1939 if (pos == NULL)
1940 break;
1941
1942 iface.confname = pos;
1943 pos = os_strchr(pos, '\t');
1944 if (pos)
1945 *pos++ = '\0';
1946 if (iface.confname[0] == '\0')
1947 iface.confname = NULL;
1948 if (pos == NULL)
1949 break;
1950
1951 iface.driver = pos;
1952 pos = os_strchr(pos, '\t');
1953 if (pos)
1954 *pos++ = '\0';
1955 if (iface.driver[0] == '\0')
1956 iface.driver = NULL;
1957 if (pos == NULL)
1958 break;
1959
1960 iface.ctrl_interface = pos;
1961 pos = os_strchr(pos, '\t');
1962 if (pos)
1963 *pos++ = '\0';
1964 if (iface.ctrl_interface[0] == '\0')
1965 iface.ctrl_interface = NULL;
1966 if (pos == NULL)
1967 break;
1968
1969 iface.driver_param = pos;
1970 pos = os_strchr(pos, '\t');
1971 if (pos)
1972 *pos++ = '\0';
1973 if (iface.driver_param[0] == '\0')
1974 iface.driver_param = NULL;
1975 if (pos == NULL)
1976 break;
1977
1978 iface.bridge_ifname = pos;
1979 pos = os_strchr(pos, '\t');
1980 if (pos)
1981 *pos++ = '\0';
1982 if (iface.bridge_ifname[0] == '\0')
1983 iface.bridge_ifname = NULL;
1984 if (pos == NULL)
1985 break;
1986 } while (0);
1987
1988 if (wpa_supplicant_get_iface(global, iface.ifname))
1989 return -1;
1990
1991 return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
1992 }
1993
1994
1995 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
1996 char *cmd)
1997 {
1998 struct wpa_supplicant *wpa_s;
1999
2000 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
2001
2002 wpa_s = wpa_supplicant_get_iface(global, cmd);
2003 if (wpa_s == NULL)
2004 return -1;
2005 return wpa_supplicant_remove_iface(global, wpa_s);
2006 }
2007
2008
2009 static void wpa_free_iface_info(struct wpa_interface_info *iface)
2010 {
2011 struct wpa_interface_info *prev;
2012
2013 while (iface) {
2014 prev = iface;
2015 iface = iface->next;
2016
2017 os_free(prev->ifname);
2018 os_free(prev->desc);
2019 os_free(prev);
2020 }
2021 }
2022
2023
2024 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
2025 char *buf, int len)
2026 {
2027 int i, res;
2028 struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
2029 char *pos, *end;
2030
2031 for (i = 0; wpa_drivers[i]; i++) {
2032 struct wpa_driver_ops *drv = wpa_drivers[i];
2033 if (drv->get_interfaces == NULL)
2034 continue;
2035 tmp = drv->get_interfaces(global->drv_priv[i]);
2036 if (tmp == NULL)
2037 continue;
2038
2039 if (last == NULL)
2040 iface = last = tmp;
2041 else
2042 last->next = tmp;
2043 while (last->next)
2044 last = last->next;
2045 }
2046
2047 pos = buf;
2048 end = buf + len;
2049 for (tmp = iface; tmp; tmp = tmp->next) {
2050 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
2051 tmp->drv_name, tmp->ifname,
2052 tmp->desc ? tmp->desc : "");
2053 if (res < 0 || res >= end - pos) {
2054 *pos = '\0';
2055 break;
2056 }
2057 pos += res;
2058 }
2059
2060 wpa_free_iface_info(iface);
2061
2062 return pos - buf;
2063 }
2064
2065
2066 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
2067 char *buf, int len)
2068 {
2069 int res;
2070 char *pos, *end;
2071 struct wpa_supplicant *wpa_s;
2072
2073 wpa_s = global->ifaces;
2074 pos = buf;
2075 end = buf + len;
2076
2077 while (wpa_s) {
2078 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
2079 if (res < 0 || res >= end - pos) {
2080 *pos = '\0';
2081 break;
2082 }
2083 pos += res;
2084 wpa_s = wpa_s->next;
2085 }
2086 return pos - buf;
2087 }
2088
2089
2090 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
2091 char *buf, size_t *resp_len)
2092 {
2093 char *reply;
2094 const int reply_size = 2048;
2095 int reply_len;
2096
2097 wpa_hexdump_ascii(MSG_DEBUG, "RX global ctrl_iface",
2098 (const u8 *) buf, os_strlen(buf));
2099
2100 reply = os_malloc(reply_size);
2101 if (reply == NULL) {
2102 *resp_len = 1;
2103 return NULL;
2104 }
2105
2106 os_memcpy(reply, "OK\n", 3);
2107 reply_len = 3;
2108
2109 if (os_strcmp(buf, "PING") == 0) {
2110 os_memcpy(reply, "PONG\n", 5);
2111 reply_len = 5;
2112 } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
2113 if (wpa_supplicant_global_iface_add(global, buf + 14))
2114 reply_len = -1;
2115 } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
2116 if (wpa_supplicant_global_iface_remove(global, buf + 17))
2117 reply_len = -1;
2118 } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
2119 reply_len = wpa_supplicant_global_iface_list(
2120 global, reply, reply_size);
2121 } else if (os_strcmp(buf, "INTERFACES") == 0) {
2122 reply_len = wpa_supplicant_global_iface_interfaces(
2123 global, reply, reply_size);
2124 } else if (os_strcmp(buf, "TERMINATE") == 0) {
2125 wpa_supplicant_terminate_proc(global);
2126 } else if (os_strcmp(buf, "SUSPEND") == 0) {
2127 wpas_notify_suspend(global);
2128 } else if (os_strcmp(buf, "RESUME") == 0) {
2129 wpas_notify_resume(global);
2130 } else {
2131 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
2132 reply_len = 16;
2133 }
2134
2135 if (reply_len < 0) {
2136 os_memcpy(reply, "FAIL\n", 5);
2137 reply_len = 5;
2138 }
2139
2140 *resp_len = reply_len;
2141 return reply;
2142 }
Mirror of AROS' svn.