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Commit | Line | Data |
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6fc6879b JM |
1 | /* |
2 | * WPA Supplicant / Control interface (shared code for all backends) | |
207ef3fb | 3 | * Copyright (c) 2004-2010, Jouni Malinen <j@w1.fi> |
6fc6879b JM |
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 | ||
3a068632 | 15 | #include "utils/includes.h" |
6fc6879b | 16 | |
3a068632 JM |
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" | |
3acb5005 | 23 | #include "rsn_supp/wpa.h" |
3a068632 JM |
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" | |
6fc6879b | 28 | #include "config.h" |
6fc6879b | 29 | #include "wpa_supplicant_i.h" |
2d5b792d | 30 | #include "driver_i.h" |
fcc60db4 | 31 | #include "wps_supplicant.h" |
11ef8d35 | 32 | #include "ibss_rsn.h" |
3ec97afe | 33 | #include "ap.h" |
8bac466b | 34 | #include "notify.h" |
3a068632 | 35 | #include "bss.h" |
9ba9fa07 | 36 | #include "scan.h" |
3a068632 | 37 | #include "ctrl_iface.h" |
6fc6879b | 38 | |
c5121837 | 39 | extern struct wpa_driver_ops *wpa_drivers[]; |
2d5b792d | 40 | |
4b4a8ae5 JM |
41 | static int wpa_supplicant_global_iface_list(struct wpa_global *global, |
42 | char *buf, int len); | |
6fc6879b JM |
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 | ||
ec717917 | 90 | #ifdef IEEE8021X_EAPOL |
6fc6879b JM |
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 | } | |
ec717917 | 110 | #endif /* IEEE8021X_EAPOL */ |
6fc6879b JM |
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 " | |
a7b6c422 | 122 | "address '%s'", addr); |
6fc6879b JM |
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]; | |
76b7981d JM |
139 | struct wpa_bss *bss; |
140 | const u8 *mdie; | |
6fc6879b JM |
141 | |
142 | if (hwaddr_aton(addr, target_ap)) { | |
143 | wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid " | |
a7b6c422 | 144 | "address '%s'", addr); |
6fc6879b JM |
145 | return -1; |
146 | } | |
147 | ||
148 | wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap)); | |
149 | ||
76b7981d JM |
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); | |
6fc6879b JM |
157 | } |
158 | #endif /* CONFIG_IEEE80211R */ | |
159 | ||
160 | ||
fcc60db4 JM |
161 | #ifdef CONFIG_WPS |
162 | static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s, | |
163 | char *cmd) | |
164 | { | |
3ec97afe | 165 | u8 bssid[ETH_ALEN], *_bssid = bssid; |
fcc60db4 JM |
166 | |
167 | if (cmd == NULL || os_strcmp(cmd, "any") == 0) | |
3ec97afe JM |
168 | _bssid = NULL; |
169 | else if (hwaddr_aton(cmd, bssid)) { | |
fcc60db4 JM |
170 | wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'", |
171 | cmd); | |
172 | return -1; | |
173 | } | |
174 | ||
3ec97afe JM |
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); | |
fcc60db4 JM |
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)) { | |
3c1e2765 | 199 | wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'", |
fcc60db4 JM |
200 | cmd); |
201 | return -1; | |
202 | } | |
203 | ||
3ec97afe JM |
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 | ||
fcc60db4 JM |
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 | ||
116f7bb0 | 232 | #ifdef CONFIG_WPS_OOB |
46bdb83a MH |
233 | static int wpa_supplicant_ctrl_iface_wps_oob(struct wpa_supplicant *wpa_s, |
234 | char *cmd) | |
235 | { | |
e1ee6b60 | 236 | char *path, *method, *name; |
46bdb83a MH |
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 | ||
e1ee6b60 MH |
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); | |
46bdb83a | 253 | } |
116f7bb0 | 254 | #endif /* CONFIG_WPS_OOB */ |
46bdb83a MH |
255 | |
256 | ||
fcc60db4 JM |
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; | |
52eb293d JM |
262 | char *new_ssid; |
263 | char *new_auth; | |
264 | char *new_encr; | |
265 | char *new_key; | |
266 | struct wps_new_ap_settings ap; | |
fcc60db4 JM |
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 | ||
52eb293d JM |
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); | |
fcc60db4 | 307 | } |
72df2f5f JM |
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 | } | |
e64dcfd5 JM |
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 | } | |
72df2f5f JM |
333 | #endif /* CONFIG_WPS_ER */ |
334 | ||
fcc60db4 JM |
335 | #endif /* CONFIG_WPS */ |
336 | ||
337 | ||
11ef8d35 JM |
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 " | |
a7b6c422 | 346 | "address '%s'", addr); |
11ef8d35 JM |
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 | ||
6fc6879b JM |
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 | } | |
0e15e529 JM |
486 | |
487 | switch (ssid->mode) { | |
d7dcba70 | 488 | case WPAS_MODE_INFRA: |
0e15e529 JM |
489 | ret = os_snprintf(pos, end - pos, |
490 | "mode=station\n"); | |
491 | break; | |
d7dcba70 | 492 | case WPAS_MODE_IBSS: |
0e15e529 JM |
493 | ret = os_snprintf(pos, end - pos, |
494 | "mode=IBSS\n"); | |
495 | break; | |
d7dcba70 | 496 | case WPAS_MODE_AP: |
0e15e529 JM |
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; | |
6fc6879b JM |
507 | } |
508 | ||
43fb5297 JM |
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 */ | |
6fc6879b JM |
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 | ||
56586197 JM |
532 | if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) || |
533 | wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) { | |
6fc6879b JM |
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); | |
a8e16edc | 576 | ssid->bssid_set = !is_zero_ether_addr(bssid); |
6fc6879b JM |
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 */ | |
56586197 JM |
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 */ | |
6fc6879b JM |
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 | ||
3a068632 | 775 | |
eef7d7a1 | 776 | #ifdef CONFIG_WPS |
3a068632 JM |
777 | static char * wpa_supplicant_wps_ie_txt_buf(char *pos, char *end, |
778 | struct wpabuf *wps_ie) | |
779 | { | |
eef7d7a1 JM |
780 | int ret; |
781 | const char *txt; | |
782 | ||
eef7d7a1 JM |
783 | if (wps_ie == NULL) |
784 | return pos; | |
eef7d7a1 JM |
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); | |
3a068632 JM |
796 | return pos; |
797 | } | |
798 | #endif /* CONFIG_WPS */ | |
799 | ||
800 | ||
801 | static char * wpa_supplicant_wps_ie_txt(char *pos, char *end, | |
16b71ac2 | 802 | const struct wpa_bss *bss) |
3a068632 JM |
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 */ | |
eef7d7a1 | 809 | return pos; |
3a068632 | 810 | #endif /* CONFIG_WPS */ |
eef7d7a1 JM |
811 | } |
812 | ||
6fc6879b JM |
813 | |
814 | /* Format one result on one text line into a buffer. */ | |
815 | static int wpa_supplicant_ctrl_iface_scan_result( | |
16b71ac2 | 816 | const struct wpa_bss *bss, char *buf, size_t buflen) |
6fc6879b JM |
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", | |
16b71ac2 | 826 | MAC2STR(bss->bssid), bss->freq, bss->level); |
6fc6879b JM |
827 | if (ret < 0 || ret >= end - pos) |
828 | return pos - buf; | |
829 | pos += ret; | |
16b71ac2 | 830 | ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); |
6fc6879b JM |
831 | if (ie) |
832 | pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]); | |
16b71ac2 | 833 | ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN); |
6fc6879b JM |
834 | if (ie2) |
835 | pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]); | |
16b71ac2 JM |
836 | pos = wpa_supplicant_wps_ie_txt(pos, end, bss); |
837 | if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) { | |
6fc6879b JM |
838 | ret = os_snprintf(pos, end - pos, "[WEP]"); |
839 | if (ret < 0 || ret >= end - pos) | |
840 | return pos - buf; | |
841 | pos += ret; | |
842 | } | |
16b71ac2 | 843 | if (bss->caps & IEEE80211_CAP_IBSS) { |
6fc6879b JM |
844 | ret = os_snprintf(pos, end - pos, "[IBSS]"); |
845 | if (ret < 0 || ret >= end - pos) | |
846 | return pos - buf; | |
847 | pos += ret; | |
848 | } | |
16b71ac2 | 849 | if (bss->caps & IEEE80211_CAP_ESS) { |
bd1af96a JM |
850 | ret = os_snprintf(pos, end - pos, "[ESS]"); |
851 | if (ret < 0 || ret >= end - pos) | |
852 | return pos - buf; | |
853 | pos += ret; | |
854 | } | |
6fc6879b | 855 | |
6fc6879b | 856 | ret = os_snprintf(pos, end - pos, "\t%s", |
16b71ac2 | 857 | wpa_ssid_txt(bss->ssid, bss->ssid_len)); |
6fc6879b JM |
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; | |
16b71ac2 | 875 | struct wpa_bss *bss; |
6fc6879b | 876 | int ret; |
6fc6879b JM |
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 | ||
16b71ac2 JM |
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, | |
6fc6879b JM |
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"); | |
86b89452 WS |
907 | ssid = NULL; |
908 | } else { | |
909 | id = atoi(cmd); | |
910 | wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id); | |
6fc6879b | 911 | |
86b89452 WS |
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 | } | |
6fc6879b JM |
918 | } |
919 | ||
86b89452 | 920 | wpa_supplicant_select_network(wpa_s, ssid); |
6fc6879b JM |
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"); | |
86b89452 WS |
935 | ssid = NULL; |
936 | } else { | |
937 | id = atoi(cmd); | |
938 | wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id); | |
6fc6879b | 939 | |
86b89452 WS |
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 | } | |
6fc6879b | 946 | } |
86b89452 | 947 | wpa_supplicant_enable_network(wpa_s, ssid); |
6fc6879b JM |
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"); | |
86b89452 WS |
962 | ssid = NULL; |
963 | } else { | |
964 | id = atoi(cmd); | |
965 | wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id); | |
6fc6879b | 966 | |
86b89452 WS |
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 | } | |
6fc6879b | 973 | } |
86b89452 | 974 | wpa_supplicant_disable_network(wpa_s, ssid); |
6fc6879b JM |
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; | |
8bac466b JM |
991 | |
992 | wpas_notify_network_added(wpa_s, ssid); | |
993 | ||
6fc6879b JM |
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) { | |
8bac466b | 1015 | struct wpa_ssid *remove_ssid = ssid; |
6fc6879b JM |
1016 | id = ssid->id; |
1017 | ssid = ssid->next; | |
8bac466b | 1018 | wpas_notify_network_removed(wpa_s, remove_ssid); |
6fc6879b JM |
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); | |
aa53509f DS |
1103 | else if (os_strcmp(name, "priority") == 0) |
1104 | wpa_config_update_prio_list(wpa_s->conf); | |
6fc6879b JM |
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; | |
3a068632 | 1491 | struct wpa_bss *bss; |
6fc6879b JM |
1492 | int ret; |
1493 | char *pos, *end; | |
1494 | const u8 *ie, *ie2; | |
1495 | ||
3a068632 JM |
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); | |
6fc6879b | 1511 | } |
3a068632 JM |
1512 | } else if (hwaddr_aton(cmd, bssid) == 0) |
1513 | bss = wpa_bss_get_bssid(wpa_s, bssid); | |
1514 | else { | |
1515 | struct wpa_bss *tmp; | |
6fc6879b | 1516 | i = atoi(cmd); |
3a068632 JM |
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 | } | |
6fc6879b | 1526 | |
3a068632 JM |
1527 | if (bss == NULL) |
1528 | return 0; | |
6fc6879b | 1529 | |
6fc6879b JM |
1530 | pos = buf; |
1531 | end = buf + buflen; | |
3fd0b8f1 | 1532 | ret = os_snprintf(pos, end - pos, |
3a068632 | 1533 | "id=%u\n" |
3fd0b8f1 JM |
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=", | |
3a068632 | 1543 | bss->id, |
3fd0b8f1 JM |
1544 | MAC2STR(bss->bssid), bss->freq, bss->beacon_int, |
1545 | bss->caps, bss->qual, bss->noise, bss->level, | |
1546 | (unsigned long long) bss->tsf); | |
6fc6879b JM |
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++) { | |
3fd0b8f1 | 1553 | ret = os_snprintf(pos, end - pos, "%02x", *ie++); |
6fc6879b JM |
1554 | if (ret < 0 || ret >= end - pos) |
1555 | return pos - buf; | |
1556 | pos += ret; | |
1557 | } | |
1558 | ||
3fd0b8f1 | 1559 | ret = os_snprintf(pos, end - pos, "\n"); |
6fc6879b JM |
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 | ||
3a068632 | 1569 | ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); |
6fc6879b JM |
1570 | if (ie) |
1571 | pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]); | |
3a068632 | 1572 | ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN); |
6fc6879b JM |
1573 | if (ie2) |
1574 | pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]); | |
16b71ac2 | 1575 | pos = wpa_supplicant_wps_ie_txt(pos, end, bss); |
6fc6879b JM |
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 | } | |
bd1af96a JM |
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 | } | |
6fc6879b | 1594 | |
3fd0b8f1 | 1595 | ret = os_snprintf(pos, end - pos, "\n"); |
6fc6879b JM |
1596 | if (ret < 0 || ret >= end - pos) |
1597 | return pos - buf; | |
1598 | pos += ret; | |
1599 | ||
6fc6879b | 1600 | ret = os_snprintf(pos, end - pos, "ssid=%s\n", |
3a068632 | 1601 | wpa_ssid_txt(bss->ssid, bss->ssid_len)); |
6fc6879b JM |
1602 | if (ret < 0 || ret >= end - pos) |
1603 | return pos - buf; | |
1604 | pos += ret; | |
1605 | ||
611ed491 JM |
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 | ||
6fc6879b JM |
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); | |
86b89452 | 1622 | return wpa_supplicant_set_ap_scan(wpa_s, ap_scan); |
6fc6879b JM |
1623 | } |
1624 | ||
1625 | ||
32d5295f JM |
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 | ||
86d4f806 JM |
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 | ||
6fc6879b JM |
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) { | |
540264a7 JM |
1735 | reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply, |
1736 | reply_size); | |
6fc6879b JM |
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 | } | |
ec717917 | 1754 | #ifdef IEEE8021X_EAPOL |
6fc6879b JM |
1755 | } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) { |
1756 | if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8)) | |
1757 | reply_len = -1; | |
ec717917 | 1758 | #endif /* IEEE8021X_EAPOL */ |
6fc6879b JM |
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 */ | |
fcc60db4 JM |
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); | |
116f7bb0 | 1780 | #ifdef CONFIG_WPS_OOB |
46bdb83a MH |
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; | |
116f7bb0 | 1784 | #endif /* CONFIG_WPS_OOB */ |
fcc60db4 JM |
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; | |
72df2f5f | 1788 | #ifdef CONFIG_WPS_ER |
e9bcfebf JM |
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; | |
72df2f5f JM |
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; | |
564cd7fa JM |
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; | |
e64dcfd5 JM |
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; | |
72df2f5f | 1804 | #endif /* CONFIG_WPS_ER */ |
fcc60db4 | 1805 | #endif /* CONFIG_WPS */ |
11ef8d35 JM |
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 */ | |
6fc6879b JM |
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) { | |
1a1bf008 | 1822 | wpa_supplicant_terminate_proc(wpa_s->global); |
6fc6879b JM |
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; | |
cf4783e3 JM |
1832 | wpa_supplicant_deauthenticate(wpa_s, |
1833 | WLAN_REASON_DEAUTH_LEAVING); | |
6fc6879b JM |
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; | |
4b4a8ae5 JM |
1872 | } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) { |
1873 | reply_len = wpa_supplicant_global_iface_list( | |
1874 | wpa_s->global, reply, reply_size); | |
6fc6879b JM |
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); | |
e653b622 JM |
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 */ | |
207ef3fb JM |
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); | |
32d5295f JM |
1895 | } else if (os_strcmp(buf, "DROP_SA") == 0) { |
1896 | wpa_supplicant_ctrl_iface_drop_sa(wpa_s); | |
86d4f806 JM |
1897 | } else if (os_strncmp(buf, "ROAM ", 5) == 0) { |
1898 | if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5)) | |
1899 | reply_len = -1; | |
6fc6879b JM |
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 | ||
4b4a8ae5 JM |
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 | ||
c5121837 JM |
2031 | for (i = 0; wpa_drivers[i]; i++) { |
2032 | struct wpa_driver_ops *drv = wpa_drivers[i]; | |
4b4a8ae5 JM |
2033 | if (drv->get_interfaces == NULL) |
2034 | continue; | |
2035 | tmp = drv->get_interfaces(global->drv_priv); | |
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 | ||
6fc6879b JM |
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; | |
4b4a8ae5 JM |
2118 | } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) { |
2119 | reply_len = wpa_supplicant_global_iface_list( | |
2120 | global, reply, reply_size); | |
6fc6879b JM |
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) { | |
1a1bf008 | 2125 | wpa_supplicant_terminate_proc(global); |
207ef3fb JM |
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); | |
6fc6879b JM |
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 | } |