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