1 /*
2 * WPA Supplicant / Control interface (shared code for all backends)
3 * Copyright (c) 2004-2010, Jouni Malinen <j@w1.fi>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 *
9 * Alternatively, this software may be distributed under the terms of BSD
10 * license.
11 *
12 * See README and COPYING for more details.
13 */
15 #include "utils/includes.h"
17 #include "utils/common.h"
18 #include "utils/eloop.h"
19 #include "common/version.h"
20 #include "common/ieee802_11_defs.h"
21 #include "common/wpa_ctrl.h"
22 #include "eap_peer/eap.h"
23 #include "eapol_supp/eapol_supp_sm.h"
24 #include "rsn_supp/wpa.h"
25 #include "rsn_supp/preauth.h"
26 #include "rsn_supp/pmksa_cache.h"
27 #include "l2_packet/l2_packet.h"
28 #include "wps/wps.h"
29 #include "config.h"
30 #include "wpa_supplicant_i.h"
31 #include "driver_i.h"
32 #include "wps_supplicant.h"
33 #include "ibss_rsn.h"
34 #include "ap.h"
35 #include "p2p_supplicant.h"
36 #include "p2p/p2p.h"
37 #include "notify.h"
38 #include "bss.h"
39 #include "scan.h"
40 #include "ctrl_iface.h"
41 #include "interworking.h"
42 #include "blacklist.h"
43 #include "wpas_glue.h"
45 extern struct wpa_driver_ops *wpa_drivers[];
47 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
48 char *buf, int len);
49 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
50 char *buf, int len);
53 static int pno_start(struct wpa_supplicant *wpa_s)
54 {
55 int ret;
56 size_t i, num_ssid;
57 struct wpa_ssid *ssid;
58 struct wpa_driver_scan_params params;
60 if (wpa_s->pno)
61 return 0;
63 os_memset(¶ms, 0, sizeof(params));
65 num_ssid = 0;
66 ssid = wpa_s->conf->ssid;
67 while (ssid) {
68 if (!ssid->disabled)
69 num_ssid++;
70 ssid = ssid->next;
71 }
72 if (num_ssid > WPAS_MAX_SCAN_SSIDS) {
73 wpa_printf(MSG_DEBUG, "PNO: Use only the first %u SSIDs from "
74 "%u", WPAS_MAX_SCAN_SSIDS, (unsigned int) num_ssid);
75 num_ssid = WPAS_MAX_SCAN_SSIDS;
76 }
78 if (num_ssid == 0) {
79 wpa_printf(MSG_DEBUG, "PNO: No configured SSIDs");
80 return -1;
81 }
83 params.filter_ssids = os_malloc(sizeof(struct wpa_driver_scan_filter) *
84 num_ssid);
85 if (params.filter_ssids == NULL)
86 return -1;
87 i = 0;
88 ssid = wpa_s->conf->ssid;
89 while (ssid) {
90 if (!ssid->disabled) {
91 params.ssids[i].ssid = ssid->ssid;
92 params.ssids[i].ssid_len = ssid->ssid_len;
93 params.num_ssids++;
94 os_memcpy(params.filter_ssids[i].ssid, ssid->ssid,
95 ssid->ssid_len);
96 params.filter_ssids[i].ssid_len = ssid->ssid_len;
97 params.num_filter_ssids++;
98 i++;
99 if (i == num_ssid)
100 break;
101 }
102 ssid = ssid->next;
103 }
105 ret = wpa_drv_sched_scan(wpa_s, ¶ms, 10 * 1000);
106 os_free(params.filter_ssids);
107 if (ret == 0)
108 wpa_s->pno = 1;
109 return ret;
110 }
113 static int pno_stop(struct wpa_supplicant *wpa_s)
114 {
115 if (wpa_s->pno) {
116 wpa_s->pno = 0;
117 return wpa_drv_stop_sched_scan(wpa_s);
118 }
119 return 0;
120 }
123 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
124 char *cmd)
125 {
126 char *value;
127 int ret = 0;
129 value = os_strchr(cmd, ' ');
130 if (value == NULL)
131 return -1;
132 *value++ = '\0';
134 wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
135 if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
136 eapol_sm_configure(wpa_s->eapol,
137 atoi(value), -1, -1, -1);
138 } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
139 eapol_sm_configure(wpa_s->eapol,
140 -1, atoi(value), -1, -1);
141 } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
142 eapol_sm_configure(wpa_s->eapol,
143 -1, -1, atoi(value), -1);
144 } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
145 eapol_sm_configure(wpa_s->eapol,
146 -1, -1, -1, atoi(value));
147 } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
148 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
149 atoi(value)))
150 ret = -1;
151 } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
152 0) {
153 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
154 atoi(value)))
155 ret = -1;
156 } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
157 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
158 ret = -1;
159 } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
160 wpa_s->wps_fragment_size = atoi(value);
161 #ifdef CONFIG_WPS_TESTING
162 } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
163 long int val;
164 val = strtol(value, NULL, 0);
165 if (val < 0 || val > 0xff) {
166 ret = -1;
167 wpa_printf(MSG_DEBUG, "WPS: Invalid "
168 "wps_version_number %ld", val);
169 } else {
170 wps_version_number = val;
171 wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
172 "version %u.%u",
173 (wps_version_number & 0xf0) >> 4,
174 wps_version_number & 0x0f);
175 }
176 } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
177 wps_testing_dummy_cred = atoi(value);
178 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
179 wps_testing_dummy_cred);
180 #endif /* CONFIG_WPS_TESTING */
181 } else if (os_strcasecmp(cmd, "ampdu") == 0) {
182 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
183 ret = -1;
184 #ifdef CONFIG_TDLS_TESTING
185 } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
186 extern unsigned int tdls_testing;
187 tdls_testing = strtol(value, NULL, 0);
188 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
189 #endif /* CONFIG_TDLS_TESTING */
190 #ifdef CONFIG_TDLS
191 } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
192 int disabled = atoi(value);
193 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
194 if (disabled) {
195 if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
196 ret = -1;
197 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
198 ret = -1;
199 wpa_tdls_enable(wpa_s->wpa, !disabled);
200 #endif /* CONFIG_TDLS */
201 } else if (os_strcasecmp(cmd, "pno") == 0) {
202 if (atoi(value))
203 ret = pno_start(wpa_s);
204 else
205 ret = pno_stop(wpa_s);
206 } else {
207 value[-1] = '=';
208 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
209 if (ret == 0)
210 wpa_supplicant_update_config(wpa_s);
211 }
213 return ret;
214 }
217 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
218 char *cmd, char *buf, size_t buflen)
219 {
220 int res = -1;
222 wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
224 if (os_strcmp(cmd, "version") == 0) {
225 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
226 } else if (os_strcasecmp(cmd, "country") == 0) {
227 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
228 res = os_snprintf(buf, buflen, "%c%c",
229 wpa_s->conf->country[0],
230 wpa_s->conf->country[1]);
231 }
233 if (res < 0 || (unsigned int) res >= buflen)
234 return -1;
235 return res;
236 }
239 #ifdef IEEE8021X_EAPOL
240 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
241 char *addr)
242 {
243 u8 bssid[ETH_ALEN];
244 struct wpa_ssid *ssid = wpa_s->current_ssid;
246 if (hwaddr_aton(addr, bssid)) {
247 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
248 "'%s'", addr);
249 return -1;
250 }
252 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
253 rsn_preauth_deinit(wpa_s->wpa);
254 if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
255 return -1;
257 return 0;
258 }
259 #endif /* IEEE8021X_EAPOL */
262 #ifdef CONFIG_PEERKEY
263 /* MLME-STKSTART.request(peer) */
264 static int wpa_supplicant_ctrl_iface_stkstart(
265 struct wpa_supplicant *wpa_s, char *addr)
266 {
267 u8 peer[ETH_ALEN];
269 if (hwaddr_aton(addr, peer)) {
270 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
271 "address '%s'", addr);
272 return -1;
273 }
275 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
276 MAC2STR(peer));
278 return wpa_sm_stkstart(wpa_s->wpa, peer);
279 }
280 #endif /* CONFIG_PEERKEY */
283 #ifdef CONFIG_TDLS
285 static int wpa_supplicant_ctrl_iface_tdls_discover(
286 struct wpa_supplicant *wpa_s, char *addr)
287 {
288 u8 peer[ETH_ALEN];
289 int ret;
291 if (hwaddr_aton(addr, peer)) {
292 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
293 "address '%s'", addr);
294 return -1;
295 }
297 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
298 MAC2STR(peer));
300 if (wpa_tdls_is_external_setup(wpa_s->wpa))
301 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
302 else
303 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
305 return ret;
306 }
309 static int wpa_supplicant_ctrl_iface_tdls_setup(
310 struct wpa_supplicant *wpa_s, char *addr)
311 {
312 u8 peer[ETH_ALEN];
313 int ret;
315 if (hwaddr_aton(addr, peer)) {
316 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
317 "address '%s'", addr);
318 return -1;
319 }
321 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
322 MAC2STR(peer));
324 ret = wpa_tdls_reneg(wpa_s->wpa, peer);
325 if (ret) {
326 if (wpa_tdls_is_external_setup(wpa_s->wpa))
327 ret = wpa_tdls_start(wpa_s->wpa, peer);
328 else
329 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
330 }
332 return ret;
333 }
336 static int wpa_supplicant_ctrl_iface_tdls_teardown(
337 struct wpa_supplicant *wpa_s, char *addr)
338 {
339 u8 peer[ETH_ALEN];
341 if (hwaddr_aton(addr, peer)) {
342 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
343 "address '%s'", addr);
344 return -1;
345 }
347 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
348 MAC2STR(peer));
350 return wpa_tdls_teardown_link(wpa_s->wpa, peer,
351 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
352 }
354 #endif /* CONFIG_TDLS */
357 #ifdef CONFIG_IEEE80211R
358 static int wpa_supplicant_ctrl_iface_ft_ds(
359 struct wpa_supplicant *wpa_s, char *addr)
360 {
361 u8 target_ap[ETH_ALEN];
362 struct wpa_bss *bss;
363 const u8 *mdie;
365 if (hwaddr_aton(addr, target_ap)) {
366 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
367 "address '%s'", addr);
368 return -1;
369 }
371 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
373 bss = wpa_bss_get_bssid(wpa_s, target_ap);
374 if (bss)
375 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
376 else
377 mdie = NULL;
379 return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
380 }
381 #endif /* CONFIG_IEEE80211R */
384 #ifdef CONFIG_WPS
385 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
386 char *cmd)
387 {
388 u8 bssid[ETH_ALEN], *_bssid = bssid;
389 #ifdef CONFIG_P2P
390 u8 p2p_dev_addr[ETH_ALEN];
391 #endif /* CONFIG_P2P */
392 #ifdef CONFIG_AP
393 u8 *_p2p_dev_addr = NULL;
394 #endif /* CONFIG_AP */
396 if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
397 _bssid = NULL;
398 #ifdef CONFIG_P2P
399 } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
400 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
401 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
402 "P2P Device Address '%s'",
403 cmd + 13);
404 return -1;
405 }
406 _p2p_dev_addr = p2p_dev_addr;
407 #endif /* CONFIG_P2P */
408 } else if (hwaddr_aton(cmd, bssid)) {
409 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
410 cmd);
411 return -1;
412 }
414 #ifdef CONFIG_AP
415 if (wpa_s->ap_iface)
416 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
417 #endif /* CONFIG_AP */
419 return wpas_wps_start_pbc(wpa_s, _bssid, 0);
420 }
423 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
424 char *cmd, char *buf,
425 size_t buflen)
426 {
427 u8 bssid[ETH_ALEN], *_bssid = bssid;
428 char *pin;
429 int ret;
431 pin = os_strchr(cmd, ' ');
432 if (pin)
433 *pin++ = '\0';
435 if (os_strcmp(cmd, "any") == 0)
436 _bssid = NULL;
437 else if (os_strcmp(cmd, "get") == 0) {
438 ret = wps_generate_pin();
439 goto done;
440 } else if (hwaddr_aton(cmd, bssid)) {
441 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
442 cmd);
443 return -1;
444 }
446 #ifdef CONFIG_AP
447 if (wpa_s->ap_iface)
448 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
449 buf, buflen);
450 #endif /* CONFIG_AP */
452 if (pin) {
453 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
454 DEV_PW_DEFAULT);
455 if (ret < 0)
456 return -1;
457 ret = os_snprintf(buf, buflen, "%s", pin);
458 if (ret < 0 || (size_t) ret >= buflen)
459 return -1;
460 return ret;
461 }
463 ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
464 if (ret < 0)
465 return -1;
467 done:
468 /* Return the generated PIN */
469 ret = os_snprintf(buf, buflen, "%08d", ret);
470 if (ret < 0 || (size_t) ret >= buflen)
471 return -1;
472 return ret;
473 }
476 static int wpa_supplicant_ctrl_iface_wps_check_pin(
477 struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
478 {
479 char pin[9];
480 size_t len;
481 char *pos;
482 int ret;
484 wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
485 (u8 *) cmd, os_strlen(cmd));
486 for (pos = cmd, len = 0; *pos != '\0'; pos++) {
487 if (*pos < '0' || *pos > '9')
488 continue;
489 pin[len++] = *pos;
490 if (len == 9) {
491 wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
492 return -1;
493 }
494 }
495 if (len != 4 && len != 8) {
496 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
497 return -1;
498 }
499 pin[len] = '\0';
501 if (len == 8) {
502 unsigned int pin_val;
503 pin_val = atoi(pin);
504 if (!wps_pin_valid(pin_val)) {
505 wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
506 ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
507 if (ret < 0 || (size_t) ret >= buflen)
508 return -1;
509 return ret;
510 }
511 }
513 ret = os_snprintf(buf, buflen, "%s", pin);
514 if (ret < 0 || (size_t) ret >= buflen)
515 return -1;
517 return ret;
518 }
521 #ifdef CONFIG_WPS_OOB
522 static int wpa_supplicant_ctrl_iface_wps_oob(struct wpa_supplicant *wpa_s,
523 char *cmd)
524 {
525 char *path, *method, *name;
527 path = os_strchr(cmd, ' ');
528 if (path == NULL)
529 return -1;
530 *path++ = '\0';
532 method = os_strchr(path, ' ');
533 if (method == NULL)
534 return -1;
535 *method++ = '\0';
537 name = os_strchr(method, ' ');
538 if (name != NULL)
539 *name++ = '\0';
541 return wpas_wps_start_oob(wpa_s, cmd, path, method, name);
542 }
543 #endif /* CONFIG_WPS_OOB */
546 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
547 char *cmd)
548 {
549 u8 bssid[ETH_ALEN];
550 char *pin;
551 char *new_ssid;
552 char *new_auth;
553 char *new_encr;
554 char *new_key;
555 struct wps_new_ap_settings ap;
557 pin = os_strchr(cmd, ' ');
558 if (pin == NULL)
559 return -1;
560 *pin++ = '\0';
562 if (hwaddr_aton(cmd, bssid)) {
563 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
564 cmd);
565 return -1;
566 }
568 new_ssid = os_strchr(pin, ' ');
569 if (new_ssid == NULL)
570 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
571 *new_ssid++ = '\0';
573 new_auth = os_strchr(new_ssid, ' ');
574 if (new_auth == NULL)
575 return -1;
576 *new_auth++ = '\0';
578 new_encr = os_strchr(new_auth, ' ');
579 if (new_encr == NULL)
580 return -1;
581 *new_encr++ = '\0';
583 new_key = os_strchr(new_encr, ' ');
584 if (new_key == NULL)
585 return -1;
586 *new_key++ = '\0';
588 os_memset(&ap, 0, sizeof(ap));
589 ap.ssid_hex = new_ssid;
590 ap.auth = new_auth;
591 ap.encr = new_encr;
592 ap.key_hex = new_key;
593 return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
594 }
597 #ifdef CONFIG_AP
598 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
599 char *cmd, char *buf,
600 size_t buflen)
601 {
602 int timeout = 300;
603 char *pos;
604 const char *pin_txt;
606 if (!wpa_s->ap_iface)
607 return -1;
609 pos = os_strchr(cmd, ' ');
610 if (pos)
611 *pos++ = '\0';
613 if (os_strcmp(cmd, "disable") == 0) {
614 wpas_wps_ap_pin_disable(wpa_s);
615 return os_snprintf(buf, buflen, "OK\n");
616 }
618 if (os_strcmp(cmd, "random") == 0) {
619 if (pos)
620 timeout = atoi(pos);
621 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
622 if (pin_txt == NULL)
623 return -1;
624 return os_snprintf(buf, buflen, "%s", pin_txt);
625 }
627 if (os_strcmp(cmd, "get") == 0) {
628 pin_txt = wpas_wps_ap_pin_get(wpa_s);
629 if (pin_txt == NULL)
630 return -1;
631 return os_snprintf(buf, buflen, "%s", pin_txt);
632 }
634 if (os_strcmp(cmd, "set") == 0) {
635 char *pin;
636 if (pos == NULL)
637 return -1;
638 pin = pos;
639 pos = os_strchr(pos, ' ');
640 if (pos) {
641 *pos++ = '\0';
642 timeout = atoi(pos);
643 }
644 if (os_strlen(pin) > buflen)
645 return -1;
646 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
647 return -1;
648 return os_snprintf(buf, buflen, "%s", pin);
649 }
651 return -1;
652 }
653 #endif /* CONFIG_AP */
656 #ifdef CONFIG_WPS_ER
657 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
658 char *cmd)
659 {
660 char *uuid = cmd, *pin, *pos;
661 u8 addr_buf[ETH_ALEN], *addr = NULL;
662 pin = os_strchr(uuid, ' ');
663 if (pin == NULL)
664 return -1;
665 *pin++ = '\0';
666 pos = os_strchr(pin, ' ');
667 if (pos) {
668 *pos++ = '\0';
669 if (hwaddr_aton(pos, addr_buf) == 0)
670 addr = addr_buf;
671 }
672 return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
673 }
676 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
677 char *cmd)
678 {
679 char *uuid = cmd, *pin;
680 pin = os_strchr(uuid, ' ');
681 if (pin == NULL)
682 return -1;
683 *pin++ = '\0';
684 return wpas_wps_er_learn(wpa_s, uuid, pin);
685 }
688 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
689 struct wpa_supplicant *wpa_s, char *cmd)
690 {
691 char *uuid = cmd, *id;
692 id = os_strchr(uuid, ' ');
693 if (id == NULL)
694 return -1;
695 *id++ = '\0';
696 return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
697 }
700 static int wpa_supplicant_ctrl_iface_wps_er_config(
701 struct wpa_supplicant *wpa_s, char *cmd)
702 {
703 char *pin;
704 char *new_ssid;
705 char *new_auth;
706 char *new_encr;
707 char *new_key;
708 struct wps_new_ap_settings ap;
710 pin = os_strchr(cmd, ' ');
711 if (pin == NULL)
712 return -1;
713 *pin++ = '\0';
715 new_ssid = os_strchr(pin, ' ');
716 if (new_ssid == NULL)
717 return -1;
718 *new_ssid++ = '\0';
720 new_auth = os_strchr(new_ssid, ' ');
721 if (new_auth == NULL)
722 return -1;
723 *new_auth++ = '\0';
725 new_encr = os_strchr(new_auth, ' ');
726 if (new_encr == NULL)
727 return -1;
728 *new_encr++ = '\0';
730 new_key = os_strchr(new_encr, ' ');
731 if (new_key == NULL)
732 return -1;
733 *new_key++ = '\0';
735 os_memset(&ap, 0, sizeof(ap));
736 ap.ssid_hex = new_ssid;
737 ap.auth = new_auth;
738 ap.encr = new_encr;
739 ap.key_hex = new_key;
740 return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
741 }
742 #endif /* CONFIG_WPS_ER */
744 #endif /* CONFIG_WPS */
747 #ifdef CONFIG_IBSS_RSN
748 static int wpa_supplicant_ctrl_iface_ibss_rsn(
749 struct wpa_supplicant *wpa_s, char *addr)
750 {
751 u8 peer[ETH_ALEN];
753 if (hwaddr_aton(addr, peer)) {
754 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
755 "address '%s'", addr);
756 return -1;
757 }
759 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
760 MAC2STR(peer));
762 return ibss_rsn_start(wpa_s->ibss_rsn, peer);
763 }
764 #endif /* CONFIG_IBSS_RSN */
767 int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant *wpa_s,
768 struct wpa_ssid *ssid,
769 const char *field,
770 const char *value)
771 {
772 #ifdef IEEE8021X_EAPOL
773 struct eap_peer_config *eap = &ssid->eap;
775 wpa_printf(MSG_DEBUG, "CTRL_IFACE: response handle field=%s", field);
776 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: response value",
777 (const u8 *) value, os_strlen(value));
779 switch (wpa_supplicant_ctrl_req_from_string(field)) {
780 case WPA_CTRL_REQ_EAP_IDENTITY:
781 os_free(eap->identity);
782 eap->identity = (u8 *) os_strdup(value);
783 eap->identity_len = os_strlen(value);
784 eap->pending_req_identity = 0;
785 if (ssid == wpa_s->current_ssid)
786 wpa_s->reassociate = 1;
787 break;
788 case WPA_CTRL_REQ_EAP_PASSWORD:
789 os_free(eap->password);
790 eap->password = (u8 *) os_strdup(value);
791 eap->password_len = os_strlen(value);
792 eap->pending_req_password = 0;
793 if (ssid == wpa_s->current_ssid)
794 wpa_s->reassociate = 1;
795 break;
796 case WPA_CTRL_REQ_EAP_NEW_PASSWORD:
797 os_free(eap->new_password);
798 eap->new_password = (u8 *) os_strdup(value);
799 eap->new_password_len = os_strlen(value);
800 eap->pending_req_new_password = 0;
801 if (ssid == wpa_s->current_ssid)
802 wpa_s->reassociate = 1;
803 break;
804 case WPA_CTRL_REQ_EAP_PIN:
805 os_free(eap->pin);
806 eap->pin = os_strdup(value);
807 eap->pending_req_pin = 0;
808 if (ssid == wpa_s->current_ssid)
809 wpa_s->reassociate = 1;
810 break;
811 case WPA_CTRL_REQ_EAP_OTP:
812 os_free(eap->otp);
813 eap->otp = (u8 *) os_strdup(value);
814 eap->otp_len = os_strlen(value);
815 os_free(eap->pending_req_otp);
816 eap->pending_req_otp = NULL;
817 eap->pending_req_otp_len = 0;
818 break;
819 case WPA_CTRL_REQ_EAP_PASSPHRASE:
820 os_free(eap->private_key_passwd);
821 eap->private_key_passwd = (u8 *) os_strdup(value);
822 eap->pending_req_passphrase = 0;
823 if (ssid == wpa_s->current_ssid)
824 wpa_s->reassociate = 1;
825 break;
826 default:
827 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown field '%s'", field);
828 return -1;
829 }
831 return 0;
832 #else /* IEEE8021X_EAPOL */
833 wpa_printf(MSG_DEBUG, "CTRL_IFACE: IEEE 802.1X not included");
834 return -1;
835 #endif /* IEEE8021X_EAPOL */
836 }
839 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
840 char *rsp)
841 {
842 #ifdef IEEE8021X_EAPOL
843 char *pos, *id_pos;
844 int id;
845 struct wpa_ssid *ssid;
847 pos = os_strchr(rsp, '-');
848 if (pos == NULL)
849 return -1;
850 *pos++ = '\0';
851 id_pos = pos;
852 pos = os_strchr(pos, ':');
853 if (pos == NULL)
854 return -1;
855 *pos++ = '\0';
856 id = atoi(id_pos);
857 wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
858 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
859 (u8 *) pos, os_strlen(pos));
861 ssid = wpa_config_get_network(wpa_s->conf, id);
862 if (ssid == NULL) {
863 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
864 "to update", id);
865 return -1;
866 }
868 return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
869 pos);
870 #else /* IEEE8021X_EAPOL */
871 wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
872 return -1;
873 #endif /* IEEE8021X_EAPOL */
874 }
877 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
878 const char *params,
879 char *buf, size_t buflen)
880 {
881 char *pos, *end, tmp[30];
882 int res, verbose, wps, ret;
884 verbose = os_strcmp(params, "-VERBOSE") == 0;
885 wps = os_strcmp(params, "-WPS") == 0;
886 pos = buf;
887 end = buf + buflen;
888 if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
889 struct wpa_ssid *ssid = wpa_s->current_ssid;
890 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
891 MAC2STR(wpa_s->bssid));
892 if (ret < 0 || ret >= end - pos)
893 return pos - buf;
894 pos += ret;
895 if (ssid) {
896 u8 *_ssid = ssid->ssid;
897 size_t ssid_len = ssid->ssid_len;
898 u8 ssid_buf[MAX_SSID_LEN];
899 if (ssid_len == 0) {
900 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
901 if (_res < 0)
902 ssid_len = 0;
903 else
904 ssid_len = _res;
905 _ssid = ssid_buf;
906 }
907 ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
908 wpa_ssid_txt(_ssid, ssid_len),
909 ssid->id);
910 if (ret < 0 || ret >= end - pos)
911 return pos - buf;
912 pos += ret;
914 if (wps && ssid->passphrase &&
915 wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
916 (ssid->mode == WPAS_MODE_AP ||
917 ssid->mode == WPAS_MODE_P2P_GO)) {
918 ret = os_snprintf(pos, end - pos,
919 "passphrase=%s\n",
920 ssid->passphrase);
921 if (ret < 0 || ret >= end - pos)
922 return pos - buf;
923 pos += ret;
924 }
925 if (ssid->id_str) {
926 ret = os_snprintf(pos, end - pos,
927 "id_str=%s\n",
928 ssid->id_str);
929 if (ret < 0 || ret >= end - pos)
930 return pos - buf;
931 pos += ret;
932 }
934 switch (ssid->mode) {
935 case WPAS_MODE_INFRA:
936 ret = os_snprintf(pos, end - pos,
937 "mode=station\n");
938 break;
939 case WPAS_MODE_IBSS:
940 ret = os_snprintf(pos, end - pos,
941 "mode=IBSS\n");
942 break;
943 case WPAS_MODE_AP:
944 ret = os_snprintf(pos, end - pos,
945 "mode=AP\n");
946 break;
947 case WPAS_MODE_P2P_GO:
948 ret = os_snprintf(pos, end - pos,
949 "mode=P2P GO\n");
950 break;
951 case WPAS_MODE_P2P_GROUP_FORMATION:
952 ret = os_snprintf(pos, end - pos,
953 "mode=P2P GO - group "
954 "formation\n");
955 break;
956 default:
957 ret = 0;
958 break;
959 }
960 if (ret < 0 || ret >= end - pos)
961 return pos - buf;
962 pos += ret;
963 }
965 #ifdef CONFIG_AP
966 if (wpa_s->ap_iface) {
967 pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
968 end - pos,
969 verbose);
970 } else
971 #endif /* CONFIG_AP */
972 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
973 }
974 ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
975 wpa_supplicant_state_txt(wpa_s->wpa_state));
976 if (ret < 0 || ret >= end - pos)
977 return pos - buf;
978 pos += ret;
980 if (wpa_s->l2 &&
981 l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
982 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
983 if (ret < 0 || ret >= end - pos)
984 return pos - buf;
985 pos += ret;
986 }
988 #ifdef CONFIG_P2P
989 if (wpa_s->global->p2p) {
990 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
991 "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
992 if (ret < 0 || ret >= end - pos)
993 return pos - buf;
994 pos += ret;
995 }
996 #endif /* CONFIG_P2P */
998 ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
999 MAC2STR(wpa_s->own_addr));
1000 if (ret < 0 || ret >= end - pos)
1001 return pos - buf;
1002 pos += ret;
1004 if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1005 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1006 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1007 verbose);
1008 if (res >= 0)
1009 pos += res;
1010 }
1012 res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1013 if (res >= 0)
1014 pos += res;
1016 return pos - buf;
1017 }
1020 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1021 char *cmd)
1022 {
1023 char *pos;
1024 int id;
1025 struct wpa_ssid *ssid;
1026 u8 bssid[ETH_ALEN];
1028 /* cmd: "<network id> <BSSID>" */
1029 pos = os_strchr(cmd, ' ');
1030 if (pos == NULL)
1031 return -1;
1032 *pos++ = '\0';
1033 id = atoi(cmd);
1034 wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1035 if (hwaddr_aton(pos, bssid)) {
1036 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1037 return -1;
1038 }
1040 ssid = wpa_config_get_network(wpa_s->conf, id);
1041 if (ssid == NULL) {
1042 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1043 "to update", id);
1044 return -1;
1045 }
1047 os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1048 ssid->bssid_set = !is_zero_ether_addr(bssid);
1050 return 0;
1051 }
1054 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1055 char *cmd, char *buf,
1056 size_t buflen)
1057 {
1058 u8 bssid[ETH_ALEN];
1059 struct wpa_blacklist *e;
1060 char *pos, *end;
1061 int ret;
1063 /* cmd: "BLACKLIST [<BSSID>]" */
1064 if (*cmd == '\0') {
1065 pos = buf;
1066 end = buf + buflen;
1067 e = wpa_s->blacklist;
1068 while (e) {
1069 ret = os_snprintf(pos, end - pos, MACSTR "\n",
1070 MAC2STR(e->bssid));
1071 if (ret < 0 || ret >= end - pos)
1072 return pos - buf;
1073 pos += ret;
1074 e = e->next;
1075 }
1076 return pos - buf;
1077 }
1079 cmd++;
1080 if (os_strncmp(cmd, "clear", 5) == 0) {
1081 wpa_blacklist_clear(wpa_s);
1082 os_memcpy(buf, "OK\n", 3);
1083 return 3;
1084 }
1086 wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1087 if (hwaddr_aton(cmd, bssid)) {
1088 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1089 return -1;
1090 }
1092 /*
1093 * Add the BSSID twice, so its count will be 2, causing it to be
1094 * skipped when processing scan results.
1095 */
1096 ret = wpa_blacklist_add(wpa_s, bssid);
1097 if (ret != 0)
1098 return -1;
1099 ret = wpa_blacklist_add(wpa_s, bssid);
1100 if (ret != 0)
1101 return -1;
1102 os_memcpy(buf, "OK\n", 3);
1103 return 3;
1104 }
1107 extern int wpa_debug_level;
1108 extern int wpa_debug_timestamp;
1110 static const char * debug_level_str(int level)
1111 {
1112 switch (level) {
1113 case MSG_EXCESSIVE:
1114 return "EXCESSIVE";
1115 case MSG_MSGDUMP:
1116 return "MSGDUMP";
1117 case MSG_DEBUG:
1118 return "DEBUG";
1119 case MSG_INFO:
1120 return "INFO";
1121 case MSG_WARNING:
1122 return "WARNING";
1123 case MSG_ERROR:
1124 return "ERROR";
1125 default:
1126 return "?";
1127 }
1128 }
1131 static int str_to_debug_level(const char *s)
1132 {
1133 if (os_strcasecmp(s, "EXCESSIVE") == 0)
1134 return MSG_EXCESSIVE;
1135 if (os_strcasecmp(s, "MSGDUMP") == 0)
1136 return MSG_MSGDUMP;
1137 if (os_strcasecmp(s, "DEBUG") == 0)
1138 return MSG_DEBUG;
1139 if (os_strcasecmp(s, "INFO") == 0)
1140 return MSG_INFO;
1141 if (os_strcasecmp(s, "WARNING") == 0)
1142 return MSG_WARNING;
1143 if (os_strcasecmp(s, "ERROR") == 0)
1144 return MSG_ERROR;
1145 return -1;
1146 }
1149 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1150 char *cmd, char *buf,
1151 size_t buflen)
1152 {
1153 char *pos, *end, *stamp;
1154 int ret;
1156 if (cmd == NULL) {
1157 return -1;
1158 }
1160 /* cmd: "LOG_LEVEL [<level>]" */
1161 if (*cmd == '\0') {
1162 pos = buf;
1163 end = buf + buflen;
1164 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1165 "Timestamp: %d\n",
1166 debug_level_str(wpa_debug_level),
1167 wpa_debug_timestamp);
1168 if (ret < 0 || ret >= end - pos)
1169 ret = 0;
1171 return ret;
1172 }
1174 while (*cmd == ' ')
1175 cmd++;
1177 stamp = os_strchr(cmd, ' ');
1178 if (stamp) {
1179 *stamp++ = '\0';
1180 while (*stamp == ' ') {
1181 stamp++;
1182 }
1183 }
1185 if (cmd && os_strlen(cmd)) {
1186 int level = str_to_debug_level(cmd);
1187 if (level < 0)
1188 return -1;
1189 wpa_debug_level = level;
1190 }
1192 if (stamp && os_strlen(stamp))
1193 wpa_debug_timestamp = atoi(stamp);
1195 os_memcpy(buf, "OK\n", 3);
1196 return 3;
1197 }
1200 static int wpa_supplicant_ctrl_iface_list_networks(
1201 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1202 {
1203 char *pos, *end;
1204 struct wpa_ssid *ssid;
1205 int ret;
1207 pos = buf;
1208 end = buf + buflen;
1209 ret = os_snprintf(pos, end - pos,
1210 "network id / ssid / bssid / flags\n");
1211 if (ret < 0 || ret >= end - pos)
1212 return pos - buf;
1213 pos += ret;
1215 ssid = wpa_s->conf->ssid;
1216 while (ssid) {
1217 ret = os_snprintf(pos, end - pos, "%d\t%s",
1218 ssid->id,
1219 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1220 if (ret < 0 || ret >= end - pos)
1221 return pos - buf;
1222 pos += ret;
1223 if (ssid->bssid_set) {
1224 ret = os_snprintf(pos, end - pos, "\t" MACSTR,
1225 MAC2STR(ssid->bssid));
1226 } else {
1227 ret = os_snprintf(pos, end - pos, "\tany");
1228 }
1229 if (ret < 0 || ret >= end - pos)
1230 return pos - buf;
1231 pos += ret;
1232 ret = os_snprintf(pos, end - pos, "\t%s%s%s",
1233 ssid == wpa_s->current_ssid ?
1234 "[CURRENT]" : "",
1235 ssid->disabled ? "[DISABLED]" : "",
1236 ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
1237 "");
1238 if (ret < 0 || ret >= end - pos)
1239 return pos - buf;
1240 pos += ret;
1241 ret = os_snprintf(pos, end - pos, "\n");
1242 if (ret < 0 || ret >= end - pos)
1243 return pos - buf;
1244 pos += ret;
1246 ssid = ssid->next;
1247 }
1249 return pos - buf;
1250 }
1253 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
1254 {
1255 int first = 1, ret;
1256 ret = os_snprintf(pos, end - pos, "-");
1257 if (ret < 0 || ret >= end - pos)
1258 return pos;
1259 pos += ret;
1260 if (cipher & WPA_CIPHER_NONE) {
1261 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : "+");
1262 if (ret < 0 || ret >= end - pos)
1263 return pos;
1264 pos += ret;
1265 first = 0;
1266 }
1267 if (cipher & WPA_CIPHER_WEP40) {
1268 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : "+");
1269 if (ret < 0 || ret >= end - pos)
1270 return pos;
1271 pos += ret;
1272 first = 0;
1273 }
1274 if (cipher & WPA_CIPHER_WEP104) {
1275 ret = os_snprintf(pos, end - pos, "%sWEP104",
1276 first ? "" : "+");
1277 if (ret < 0 || ret >= end - pos)
1278 return pos;
1279 pos += ret;
1280 first = 0;
1281 }
1282 if (cipher & WPA_CIPHER_TKIP) {
1283 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : "+");
1284 if (ret < 0 || ret >= end - pos)
1285 return pos;
1286 pos += ret;
1287 first = 0;
1288 }
1289 if (cipher & WPA_CIPHER_CCMP) {
1290 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : "+");
1291 if (ret < 0 || ret >= end - pos)
1292 return pos;
1293 pos += ret;
1294 first = 0;
1295 }
1296 return pos;
1297 }
1300 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
1301 const u8 *ie, size_t ie_len)
1302 {
1303 struct wpa_ie_data data;
1304 int first, ret;
1306 ret = os_snprintf(pos, end - pos, "[%s-", proto);
1307 if (ret < 0 || ret >= end - pos)
1308 return pos;
1309 pos += ret;
1311 if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
1312 ret = os_snprintf(pos, end - pos, "?]");
1313 if (ret < 0 || ret >= end - pos)
1314 return pos;
1315 pos += ret;
1316 return pos;
1317 }
1319 first = 1;
1320 if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
1321 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
1322 if (ret < 0 || ret >= end - pos)
1323 return pos;
1324 pos += ret;
1325 first = 0;
1326 }
1327 if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
1328 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
1329 if (ret < 0 || ret >= end - pos)
1330 return pos;
1331 pos += ret;
1332 first = 0;
1333 }
1334 if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
1335 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
1336 if (ret < 0 || ret >= end - pos)
1337 return pos;
1338 pos += ret;
1339 first = 0;
1340 }
1341 #ifdef CONFIG_IEEE80211R
1342 if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
1343 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
1344 first ? "" : "+");
1345 if (ret < 0 || ret >= end - pos)
1346 return pos;
1347 pos += ret;
1348 first = 0;
1349 }
1350 if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
1351 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
1352 first ? "" : "+");
1353 if (ret < 0 || ret >= end - pos)
1354 return pos;
1355 pos += ret;
1356 first = 0;
1357 }
1358 #endif /* CONFIG_IEEE80211R */
1359 #ifdef CONFIG_IEEE80211W
1360 if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
1361 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
1362 first ? "" : "+");
1363 if (ret < 0 || ret >= end - pos)
1364 return pos;
1365 pos += ret;
1366 first = 0;
1367 }
1368 if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
1369 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
1370 first ? "" : "+");
1371 if (ret < 0 || ret >= end - pos)
1372 return pos;
1373 pos += ret;
1374 first = 0;
1375 }
1376 #endif /* CONFIG_IEEE80211W */
1378 pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
1380 if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
1381 ret = os_snprintf(pos, end - pos, "-preauth");
1382 if (ret < 0 || ret >= end - pos)
1383 return pos;
1384 pos += ret;
1385 }
1387 ret = os_snprintf(pos, end - pos, "]");
1388 if (ret < 0 || ret >= end - pos)
1389 return pos;
1390 pos += ret;
1392 return pos;
1393 }
1396 #ifdef CONFIG_WPS
1397 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
1398 char *pos, char *end,
1399 struct wpabuf *wps_ie)
1400 {
1401 int ret;
1402 const char *txt;
1404 if (wps_ie == NULL)
1405 return pos;
1406 if (wps_is_selected_pbc_registrar(wps_ie))
1407 txt = "[WPS-PBC]";
1408 #ifdef CONFIG_WPS2
1409 else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
1410 txt = "[WPS-AUTH]";
1411 #endif /* CONFIG_WPS2 */
1412 else if (wps_is_selected_pin_registrar(wps_ie))
1413 txt = "[WPS-PIN]";
1414 else
1415 txt = "[WPS]";
1417 ret = os_snprintf(pos, end - pos, "%s", txt);
1418 if (ret >= 0 && ret < end - pos)
1419 pos += ret;
1420 wpabuf_free(wps_ie);
1421 return pos;
1422 }
1423 #endif /* CONFIG_WPS */
1426 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
1427 char *pos, char *end,
1428 const struct wpa_bss *bss)
1429 {
1430 #ifdef CONFIG_WPS
1431 struct wpabuf *wps_ie;
1432 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1433 return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
1434 #else /* CONFIG_WPS */
1435 return pos;
1436 #endif /* CONFIG_WPS */
1437 }
1440 /* Format one result on one text line into a buffer. */
1441 static int wpa_supplicant_ctrl_iface_scan_result(
1442 struct wpa_supplicant *wpa_s,
1443 const struct wpa_bss *bss, char *buf, size_t buflen)
1444 {
1445 char *pos, *end;
1446 int ret;
1447 const u8 *ie, *ie2, *p2p;
1449 p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
1450 if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
1451 os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
1452 0)
1453 return 0; /* Do not show P2P listen discovery results here */
1455 pos = buf;
1456 end = buf + buflen;
1458 ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
1459 MAC2STR(bss->bssid), bss->freq, bss->level);
1460 if (ret < 0 || ret >= end - pos)
1461 return -1;
1462 pos += ret;
1463 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
1464 if (ie)
1465 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
1466 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
1467 if (ie2)
1468 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
1469 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
1470 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
1471 ret = os_snprintf(pos, end - pos, "[WEP]");
1472 if (ret < 0 || ret >= end - pos)
1473 return -1;
1474 pos += ret;
1475 }
1476 if (bss->caps & IEEE80211_CAP_IBSS) {
1477 ret = os_snprintf(pos, end - pos, "[IBSS]");
1478 if (ret < 0 || ret >= end - pos)
1479 return -1;
1480 pos += ret;
1481 }
1482 if (bss->caps & IEEE80211_CAP_ESS) {
1483 ret = os_snprintf(pos, end - pos, "[ESS]");
1484 if (ret < 0 || ret >= end - pos)
1485 return -1;
1486 pos += ret;
1487 }
1488 if (p2p) {
1489 ret = os_snprintf(pos, end - pos, "[P2P]");
1490 if (ret < 0 || ret >= end - pos)
1491 return -1;
1492 pos += ret;
1493 }
1495 ret = os_snprintf(pos, end - pos, "\t%s",
1496 wpa_ssid_txt(bss->ssid, bss->ssid_len));
1497 if (ret < 0 || ret >= end - pos)
1498 return -1;
1499 pos += ret;
1501 ret = os_snprintf(pos, end - pos, "\n");
1502 if (ret < 0 || ret >= end - pos)
1503 return -1;
1504 pos += ret;
1506 return pos - buf;
1507 }
1510 static int wpa_supplicant_ctrl_iface_scan_results(
1511 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1512 {
1513 char *pos, *end;
1514 struct wpa_bss *bss;
1515 int ret;
1517 pos = buf;
1518 end = buf + buflen;
1519 ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
1520 "flags / ssid\n");
1521 if (ret < 0 || ret >= end - pos)
1522 return pos - buf;
1523 pos += ret;
1525 dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
1526 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
1527 end - pos);
1528 if (ret < 0 || ret >= end - pos)
1529 return pos - buf;
1530 pos += ret;
1531 }
1533 return pos - buf;
1534 }
1537 static int wpa_supplicant_ctrl_iface_select_network(
1538 struct wpa_supplicant *wpa_s, char *cmd)
1539 {
1540 int id;
1541 struct wpa_ssid *ssid;
1543 /* cmd: "<network id>" or "any" */
1544 if (os_strcmp(cmd, "any") == 0) {
1545 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
1546 ssid = NULL;
1547 } else {
1548 id = atoi(cmd);
1549 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
1551 ssid = wpa_config_get_network(wpa_s->conf, id);
1552 if (ssid == NULL) {
1553 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
1554 "network id=%d", id);
1555 return -1;
1556 }
1557 if (ssid->disabled == 2) {
1558 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
1559 "SELECT_NETWORK with persistent P2P group");
1560 return -1;
1561 }
1562 }
1564 wpa_supplicant_select_network(wpa_s, ssid);
1566 return 0;
1567 }
1570 static int wpa_supplicant_ctrl_iface_enable_network(
1571 struct wpa_supplicant *wpa_s, char *cmd)
1572 {
1573 int id;
1574 struct wpa_ssid *ssid;
1576 /* cmd: "<network id>" or "all" */
1577 if (os_strcmp(cmd, "all") == 0) {
1578 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
1579 ssid = NULL;
1580 } else {
1581 id = atoi(cmd);
1582 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
1584 ssid = wpa_config_get_network(wpa_s->conf, id);
1585 if (ssid == NULL) {
1586 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
1587 "network id=%d", id);
1588 return -1;
1589 }
1590 if (ssid->disabled == 2) {
1591 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
1592 "ENABLE_NETWORK with persistent P2P group");
1593 return -1;
1594 }
1595 }
1596 wpa_supplicant_enable_network(wpa_s, ssid);
1598 return 0;
1599 }
1602 static int wpa_supplicant_ctrl_iface_disable_network(
1603 struct wpa_supplicant *wpa_s, char *cmd)
1604 {
1605 int id;
1606 struct wpa_ssid *ssid;
1608 /* cmd: "<network id>" or "all" */
1609 if (os_strcmp(cmd, "all") == 0) {
1610 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
1611 ssid = NULL;
1612 } else {
1613 id = atoi(cmd);
1614 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
1616 ssid = wpa_config_get_network(wpa_s->conf, id);
1617 if (ssid == NULL) {
1618 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
1619 "network id=%d", id);
1620 return -1;
1621 }
1622 if (ssid->disabled == 2) {
1623 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
1624 "DISABLE_NETWORK with persistent P2P "
1625 "group");
1626 return -1;
1627 }
1628 }
1629 wpa_supplicant_disable_network(wpa_s, ssid);
1631 return 0;
1632 }
1635 static int wpa_supplicant_ctrl_iface_add_network(
1636 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1637 {
1638 struct wpa_ssid *ssid;
1639 int ret;
1641 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
1643 ssid = wpa_config_add_network(wpa_s->conf);
1644 if (ssid == NULL)
1645 return -1;
1647 wpas_notify_network_added(wpa_s, ssid);
1649 ssid->disabled = 1;
1650 wpa_config_set_network_defaults(ssid);
1652 ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
1653 if (ret < 0 || (size_t) ret >= buflen)
1654 return -1;
1655 return ret;
1656 }
1659 static int wpa_supplicant_ctrl_iface_remove_network(
1660 struct wpa_supplicant *wpa_s, char *cmd)
1661 {
1662 int id;
1663 struct wpa_ssid *ssid;
1665 /* cmd: "<network id>" or "all" */
1666 if (os_strcmp(cmd, "all") == 0) {
1667 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
1668 ssid = wpa_s->conf->ssid;
1669 while (ssid) {
1670 struct wpa_ssid *remove_ssid = ssid;
1671 id = ssid->id;
1672 ssid = ssid->next;
1673 wpas_notify_network_removed(wpa_s, remove_ssid);
1674 wpa_config_remove_network(wpa_s->conf, id);
1675 }
1676 eapol_sm_invalidate_cached_session(wpa_s->eapol);
1677 if (wpa_s->current_ssid) {
1678 wpa_sm_set_config(wpa_s->wpa, NULL);
1679 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
1680 wpa_supplicant_disassociate(wpa_s,
1681 WLAN_REASON_DEAUTH_LEAVING);
1682 }
1683 return 0;
1684 }
1686 id = atoi(cmd);
1687 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
1689 ssid = wpa_config_get_network(wpa_s->conf, id);
1690 if (ssid)
1691 wpas_notify_network_removed(wpa_s, ssid);
1692 if (ssid == NULL ||
1693 wpa_config_remove_network(wpa_s->conf, id) < 0) {
1694 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
1695 "id=%d", id);
1696 return -1;
1697 }
1699 if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
1700 /*
1701 * Invalidate the EAP session cache if the current or
1702 * previously used network is removed.
1703 */
1704 eapol_sm_invalidate_cached_session(wpa_s->eapol);
1705 }
1707 if (ssid == wpa_s->current_ssid) {
1708 wpa_sm_set_config(wpa_s->wpa, NULL);
1709 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
1711 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1712 }
1714 return 0;
1715 }
1718 static int wpa_supplicant_ctrl_iface_set_network(
1719 struct wpa_supplicant *wpa_s, char *cmd)
1720 {
1721 int id;
1722 struct wpa_ssid *ssid;
1723 char *name, *value;
1725 /* cmd: "<network id> <variable name> <value>" */
1726 name = os_strchr(cmd, ' ');
1727 if (name == NULL)
1728 return -1;
1729 *name++ = '\0';
1731 value = os_strchr(name, ' ');
1732 if (value == NULL)
1733 return -1;
1734 *value++ = '\0';
1736 id = atoi(cmd);
1737 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
1738 id, name);
1739 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1740 (u8 *) value, os_strlen(value));
1742 ssid = wpa_config_get_network(wpa_s->conf, id);
1743 if (ssid == NULL) {
1744 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
1745 "id=%d", id);
1746 return -1;
1747 }
1749 if (wpa_config_set(ssid, name, value, 0) < 0) {
1750 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
1751 "variable '%s'", name);
1752 return -1;
1753 }
1755 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
1757 if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
1758 /*
1759 * Invalidate the EAP session cache if anything in the current
1760 * or previously used configuration changes.
1761 */
1762 eapol_sm_invalidate_cached_session(wpa_s->eapol);
1763 }
1765 if ((os_strcmp(name, "psk") == 0 &&
1766 value[0] == '"' && ssid->ssid_len) ||
1767 (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
1768 wpa_config_update_psk(ssid);
1769 else if (os_strcmp(name, "priority") == 0)
1770 wpa_config_update_prio_list(wpa_s->conf);
1772 return 0;
1773 }
1776 static int wpa_supplicant_ctrl_iface_get_network(
1777 struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
1778 {
1779 int id;
1780 size_t res;
1781 struct wpa_ssid *ssid;
1782 char *name, *value;
1784 /* cmd: "<network id> <variable name>" */
1785 name = os_strchr(cmd, ' ');
1786 if (name == NULL || buflen == 0)
1787 return -1;
1788 *name++ = '\0';
1790 id = atoi(cmd);
1791 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
1792 id, name);
1794 ssid = wpa_config_get_network(wpa_s->conf, id);
1795 if (ssid == NULL) {
1796 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
1797 "id=%d", id);
1798 return -1;
1799 }
1801 value = wpa_config_get_no_key(ssid, name);
1802 if (value == NULL) {
1803 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
1804 "variable '%s'", name);
1805 return -1;
1806 }
1808 res = os_strlcpy(buf, value, buflen);
1809 if (res >= buflen) {
1810 os_free(value);
1811 return -1;
1812 }
1814 os_free(value);
1816 return res;
1817 }
1820 #ifndef CONFIG_NO_CONFIG_WRITE
1821 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
1822 {
1823 int ret;
1825 if (!wpa_s->conf->update_config) {
1826 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
1827 "to update configuration (update_config=0)");
1828 return -1;
1829 }
1831 ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
1832 if (ret) {
1833 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
1834 "update configuration");
1835 } else {
1836 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
1837 " updated");
1838 }
1840 return ret;
1841 }
1842 #endif /* CONFIG_NO_CONFIG_WRITE */
1845 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
1846 struct wpa_driver_capa *capa,
1847 char *buf, size_t buflen)
1848 {
1849 int ret, first = 1;
1850 char *pos, *end;
1851 size_t len;
1853 pos = buf;
1854 end = pos + buflen;
1856 if (res < 0) {
1857 if (strict)
1858 return 0;
1859 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
1860 if (len >= buflen)
1861 return -1;
1862 return len;
1863 }
1865 if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
1866 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
1867 if (ret < 0 || ret >= end - pos)
1868 return pos - buf;
1869 pos += ret;
1870 first = 0;
1871 }
1873 if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
1874 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
1875 if (ret < 0 || ret >= end - pos)
1876 return pos - buf;
1877 pos += ret;
1878 first = 0;
1879 }
1881 if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
1882 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
1883 if (ret < 0 || ret >= end - pos)
1884 return pos - buf;
1885 pos += ret;
1886 first = 0;
1887 }
1889 return pos - buf;
1890 }
1893 static int ctrl_iface_get_capability_group(int res, char *strict,
1894 struct wpa_driver_capa *capa,
1895 char *buf, size_t buflen)
1896 {
1897 int ret, first = 1;
1898 char *pos, *end;
1899 size_t len;
1901 pos = buf;
1902 end = pos + buflen;
1904 if (res < 0) {
1905 if (strict)
1906 return 0;
1907 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
1908 if (len >= buflen)
1909 return -1;
1910 return len;
1911 }
1913 if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
1914 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
1915 if (ret < 0 || ret >= end - pos)
1916 return pos - buf;
1917 pos += ret;
1918 first = 0;
1919 }
1921 if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
1922 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
1923 if (ret < 0 || ret >= end - pos)
1924 return pos - buf;
1925 pos += ret;
1926 first = 0;
1927 }
1929 if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP104) {
1930 ret = os_snprintf(pos, end - pos, "%sWEP104",
1931 first ? "" : " ");
1932 if (ret < 0 || ret >= end - pos)
1933 return pos - buf;
1934 pos += ret;
1935 first = 0;
1936 }
1938 if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
1939 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
1940 if (ret < 0 || ret >= end - pos)
1941 return pos - buf;
1942 pos += ret;
1943 first = 0;
1944 }
1946 return pos - buf;
1947 }
1950 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
1951 struct wpa_driver_capa *capa,
1952 char *buf, size_t buflen)
1953 {
1954 int ret;
1955 char *pos, *end;
1956 size_t len;
1958 pos = buf;
1959 end = pos + buflen;
1961 if (res < 0) {
1962 if (strict)
1963 return 0;
1964 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
1965 "NONE", buflen);
1966 if (len >= buflen)
1967 return -1;
1968 return len;
1969 }
1971 ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
1972 if (ret < 0 || ret >= end - pos)
1973 return pos - buf;
1974 pos += ret;
1976 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1977 WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
1978 ret = os_snprintf(pos, end - pos, " WPA-EAP");
1979 if (ret < 0 || ret >= end - pos)
1980 return pos - buf;
1981 pos += ret;
1982 }
1984 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
1985 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
1986 ret = os_snprintf(pos, end - pos, " WPA-PSK");
1987 if (ret < 0 || ret >= end - pos)
1988 return pos - buf;
1989 pos += ret;
1990 }
1992 if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
1993 ret = os_snprintf(pos, end - pos, " WPA-NONE");
1994 if (ret < 0 || ret >= end - pos)
1995 return pos - buf;
1996 pos += ret;
1997 }
1999 return pos - buf;
2000 }
2003 static int ctrl_iface_get_capability_proto(int res, char *strict,
2004 struct wpa_driver_capa *capa,
2005 char *buf, size_t buflen)
2006 {
2007 int ret, first = 1;
2008 char *pos, *end;
2009 size_t len;
2011 pos = buf;
2012 end = pos + buflen;
2014 if (res < 0) {
2015 if (strict)
2016 return 0;
2017 len = os_strlcpy(buf, "RSN WPA", buflen);
2018 if (len >= buflen)
2019 return -1;
2020 return len;
2021 }
2023 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2024 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2025 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
2026 if (ret < 0 || ret >= end - pos)
2027 return pos - buf;
2028 pos += ret;
2029 first = 0;
2030 }
2032 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2033 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2034 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
2035 if (ret < 0 || ret >= end - pos)
2036 return pos - buf;
2037 pos += ret;
2038 first = 0;
2039 }
2041 return pos - buf;
2042 }
2045 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
2046 struct wpa_driver_capa *capa,
2047 char *buf, size_t buflen)
2048 {
2049 int ret, first = 1;
2050 char *pos, *end;
2051 size_t len;
2053 pos = buf;
2054 end = pos + buflen;
2056 if (res < 0) {
2057 if (strict)
2058 return 0;
2059 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
2060 if (len >= buflen)
2061 return -1;
2062 return len;
2063 }
2065 if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
2066 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
2067 if (ret < 0 || ret >= end - pos)
2068 return pos - buf;
2069 pos += ret;
2070 first = 0;
2071 }
2073 if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
2074 ret = os_snprintf(pos, end - pos, "%sSHARED",
2075 first ? "" : " ");
2076 if (ret < 0 || ret >= end - pos)
2077 return pos - buf;
2078 pos += ret;
2079 first = 0;
2080 }
2082 if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
2083 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
2084 if (ret < 0 || ret >= end - pos)
2085 return pos - buf;
2086 pos += ret;
2087 first = 0;
2088 }
2090 return pos - buf;
2091 }
2094 static int wpa_supplicant_ctrl_iface_get_capability(
2095 struct wpa_supplicant *wpa_s, const char *_field, char *buf,
2096 size_t buflen)
2097 {
2098 struct wpa_driver_capa capa;
2099 int res;
2100 char *strict;
2101 char field[30];
2102 size_t len;
2104 /* Determine whether or not strict checking was requested */
2105 len = os_strlcpy(field, _field, sizeof(field));
2106 if (len >= sizeof(field))
2107 return -1;
2108 strict = os_strchr(field, ' ');
2109 if (strict != NULL) {
2110 *strict++ = '\0';
2111 if (os_strcmp(strict, "strict") != 0)
2112 return -1;
2113 }
2115 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
2116 field, strict ? strict : "");
2118 if (os_strcmp(field, "eap") == 0) {
2119 return eap_get_names(buf, buflen);
2120 }
2122 res = wpa_drv_get_capa(wpa_s, &capa);
2124 if (os_strcmp(field, "pairwise") == 0)
2125 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
2126 buf, buflen);
2128 if (os_strcmp(field, "group") == 0)
2129 return ctrl_iface_get_capability_group(res, strict, &capa,
2130 buf, buflen);
2132 if (os_strcmp(field, "key_mgmt") == 0)
2133 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
2134 buf, buflen);
2136 if (os_strcmp(field, "proto") == 0)
2137 return ctrl_iface_get_capability_proto(res, strict, &capa,
2138 buf, buflen);
2140 if (os_strcmp(field, "auth_alg") == 0)
2141 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
2142 buf, buflen);
2144 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
2145 field);
2147 return -1;
2148 }
2151 #ifdef CONFIG_INTERWORKING
2152 static char * anqp_add_hex(char *pos, char *end, const char *title,
2153 struct wpabuf *data)
2154 {
2155 char *start = pos;
2156 size_t i;
2157 int ret;
2158 const u8 *d;
2160 if (data == NULL)
2161 return start;
2163 ret = os_snprintf(pos, end - pos, "%s=", title);
2164 if (ret < 0 || ret >= end - pos)
2165 return start;
2166 pos += ret;
2168 d = wpabuf_head_u8(data);
2169 for (i = 0; i < wpabuf_len(data); i++) {
2170 ret = os_snprintf(pos, end - pos, "%02x", *d++);
2171 if (ret < 0 || ret >= end - pos)
2172 return start;
2173 pos += ret;
2174 }
2176 ret = os_snprintf(pos, end - pos, "\n");
2177 if (ret < 0 || ret >= end - pos)
2178 return start;
2179 pos += ret;
2181 return pos;
2182 }
2183 #endif /* CONFIG_INTERWORKING */
2186 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
2187 const char *cmd, char *buf,
2188 size_t buflen)
2189 {
2190 u8 bssid[ETH_ALEN];
2191 size_t i;
2192 struct wpa_bss *bss;
2193 int ret;
2194 char *pos, *end;
2195 const u8 *ie, *ie2;
2196 struct os_time now;
2198 if (os_strcmp(cmd, "FIRST") == 0)
2199 bss = dl_list_first(&wpa_s->bss, struct wpa_bss, list);
2200 else if (os_strncmp(cmd, "ID-", 3) == 0) {
2201 i = atoi(cmd + 3);
2202 bss = wpa_bss_get_id(wpa_s, i);
2203 } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
2204 i = atoi(cmd + 5);
2205 bss = wpa_bss_get_id(wpa_s, i);
2206 if (bss) {
2207 struct dl_list *next = bss->list_id.next;
2208 if (next == &wpa_s->bss_id)
2209 bss = NULL;
2210 else
2211 bss = dl_list_entry(next, struct wpa_bss,
2212 list_id);
2213 }
2214 #ifdef CONFIG_P2P
2215 } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
2216 if (hwaddr_aton(cmd + 13, bssid) == 0)
2217 bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
2218 else
2219 bss = NULL;
2220 #endif /* CONFIG_P2P */
2221 } else if (hwaddr_aton(cmd, bssid) == 0)
2222 bss = wpa_bss_get_bssid(wpa_s, bssid);
2223 else {
2224 struct wpa_bss *tmp;
2225 i = atoi(cmd);
2226 bss = NULL;
2227 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
2228 {
2229 if (i-- == 0) {
2230 bss = tmp;
2231 break;
2232 }
2233 }
2234 }
2236 if (bss == NULL)
2237 return 0;
2239 os_get_time(&now);
2240 pos = buf;
2241 end = buf + buflen;
2242 ret = os_snprintf(pos, end - pos,
2243 "id=%u\n"
2244 "bssid=" MACSTR "\n"
2245 "freq=%d\n"
2246 "beacon_int=%d\n"
2247 "capabilities=0x%04x\n"
2248 "qual=%d\n"
2249 "noise=%d\n"
2250 "level=%d\n"
2251 "tsf=%016llu\n"
2252 "age=%d\n"
2253 "ie=",
2254 bss->id,
2255 MAC2STR(bss->bssid), bss->freq, bss->beacon_int,
2256 bss->caps, bss->qual, bss->noise, bss->level,
2257 (unsigned long long) bss->tsf,
2258 (int) (now.sec - bss->last_update.sec));
2259 if (ret < 0 || ret >= end - pos)
2260 return pos - buf;
2261 pos += ret;
2263 ie = (const u8 *) (bss + 1);
2264 for (i = 0; i < bss->ie_len; i++) {
2265 ret = os_snprintf(pos, end - pos, "%02x", *ie++);
2266 if (ret < 0 || ret >= end - pos)
2267 return pos - buf;
2268 pos += ret;
2269 }
2271 ret = os_snprintf(pos, end - pos, "\n");
2272 if (ret < 0 || ret >= end - pos)
2273 return pos - buf;
2274 pos += ret;
2276 ret = os_snprintf(pos, end - pos, "flags=");
2277 if (ret < 0 || ret >= end - pos)
2278 return pos - buf;
2279 pos += ret;
2281 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2282 if (ie)
2283 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2284 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2285 if (ie2)
2286 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
2287 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2288 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2289 ret = os_snprintf(pos, end - pos, "[WEP]");
2290 if (ret < 0 || ret >= end - pos)
2291 return pos - buf;
2292 pos += ret;
2293 }
2294 if (bss->caps & IEEE80211_CAP_IBSS) {
2295 ret = os_snprintf(pos, end - pos, "[IBSS]");
2296 if (ret < 0 || ret >= end - pos)
2297 return pos - buf;
2298 pos += ret;
2299 }
2300 if (bss->caps & IEEE80211_CAP_ESS) {
2301 ret = os_snprintf(pos, end - pos, "[ESS]");
2302 if (ret < 0 || ret >= end - pos)
2303 return pos - buf;
2304 pos += ret;
2305 }
2306 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE)) {
2307 ret = os_snprintf(pos, end - pos, "[P2P]");
2308 if (ret < 0 || ret >= end - pos)
2309 return pos - buf;
2310 pos += ret;
2311 }
2313 ret = os_snprintf(pos, end - pos, "\n");
2314 if (ret < 0 || ret >= end - pos)
2315 return pos - buf;
2316 pos += ret;
2318 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
2319 wpa_ssid_txt(bss->ssid, bss->ssid_len));
2320 if (ret < 0 || ret >= end - pos)
2321 return pos - buf;
2322 pos += ret;
2324 #ifdef CONFIG_WPS
2325 ie = (const u8 *) (bss + 1);
2326 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
2327 if (ret < 0 || ret >= end - pos)
2328 return pos - buf;
2329 pos += ret;
2330 #endif /* CONFIG_WPS */
2332 #ifdef CONFIG_P2P
2333 ie = (const u8 *) (bss + 1);
2334 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
2335 if (ret < 0 || ret >= end - pos)
2336 return pos - buf;
2337 pos += ret;
2338 #endif /* CONFIG_P2P */
2340 #ifdef CONFIG_INTERWORKING
2341 pos = anqp_add_hex(pos, end, "anqp_venue_name", bss->anqp_venue_name);
2342 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
2343 bss->anqp_network_auth_type);
2344 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
2345 bss->anqp_roaming_consortium);
2346 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
2347 bss->anqp_ip_addr_type_availability);
2348 pos = anqp_add_hex(pos, end, "anqp_nai_realm", bss->anqp_nai_realm);
2349 pos = anqp_add_hex(pos, end, "anqp_3gpp", bss->anqp_3gpp);
2350 pos = anqp_add_hex(pos, end, "anqp_domain_name",
2351 bss->anqp_domain_name);
2352 #endif /* CONFIG_INTERWORKING */
2354 return pos - buf;
2355 }
2358 static int wpa_supplicant_ctrl_iface_ap_scan(
2359 struct wpa_supplicant *wpa_s, char *cmd)
2360 {
2361 int ap_scan = atoi(cmd);
2362 return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
2363 }
2366 static int wpa_supplicant_ctrl_iface_scan_interval(
2367 struct wpa_supplicant *wpa_s, char *cmd)
2368 {
2369 int scan_int = atoi(cmd);
2370 if (scan_int < 0)
2371 return -1;
2372 wpa_s->scan_interval = scan_int;
2373 return 0;
2374 }
2377 static int wpa_supplicant_ctrl_iface_bss_expire_age(
2378 struct wpa_supplicant *wpa_s, char *cmd)
2379 {
2380 int expire_age = atoi(cmd);
2381 return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
2382 }
2385 static int wpa_supplicant_ctrl_iface_bss_expire_count(
2386 struct wpa_supplicant *wpa_s, char *cmd)
2387 {
2388 int expire_count = atoi(cmd);
2389 return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
2390 }
2393 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
2394 {
2395 wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
2396 /* MLME-DELETEKEYS.request */
2397 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
2398 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
2399 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
2400 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
2401 #ifdef CONFIG_IEEE80211W
2402 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
2403 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
2404 #endif /* CONFIG_IEEE80211W */
2406 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
2407 0);
2408 /* MLME-SETPROTECTION.request(None) */
2409 wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
2410 MLME_SETPROTECTION_PROTECT_TYPE_NONE,
2411 MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
2412 wpa_sm_drop_sa(wpa_s->wpa);
2413 }
2416 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
2417 char *addr)
2418 {
2419 #ifdef CONFIG_NO_SCAN_PROCESSING
2420 return -1;
2421 #else /* CONFIG_NO_SCAN_PROCESSING */
2422 u8 bssid[ETH_ALEN];
2423 struct wpa_bss *bss;
2424 struct wpa_ssid *ssid = wpa_s->current_ssid;
2426 if (hwaddr_aton(addr, bssid)) {
2427 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
2428 "address '%s'", addr);
2429 return -1;
2430 }
2432 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
2434 bss = wpa_bss_get_bssid(wpa_s, bssid);
2435 if (!bss) {
2436 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
2437 "from BSS table");
2438 return -1;
2439 }
2441 /*
2442 * TODO: Find best network configuration block from configuration to
2443 * allow roaming to other networks
2444 */
2446 if (!ssid) {
2447 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
2448 "configuration known for the target AP");
2449 return -1;
2450 }
2452 wpa_s->reassociate = 1;
2453 wpa_supplicant_connect(wpa_s, bss, ssid);
2455 return 0;
2456 #endif /* CONFIG_NO_SCAN_PROCESSING */
2457 }
2460 #ifdef CONFIG_P2P
2461 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
2462 {
2463 unsigned int timeout = atoi(cmd);
2464 enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
2465 u8 dev_id[ETH_ALEN], *_dev_id = NULL;
2466 char *pos;
2468 if (os_strstr(cmd, "type=social"))
2469 type = P2P_FIND_ONLY_SOCIAL;
2470 else if (os_strstr(cmd, "type=progressive"))
2471 type = P2P_FIND_PROGRESSIVE;
2473 pos = os_strstr(cmd, "dev_id=");
2474 if (pos) {
2475 pos += 7;
2476 if (hwaddr_aton(pos, dev_id))
2477 return -1;
2478 _dev_id = dev_id;
2479 }
2481 return wpas_p2p_find(wpa_s, timeout, type, 0, NULL, _dev_id);
2482 }
2485 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
2486 char *buf, size_t buflen)
2487 {
2488 u8 addr[ETH_ALEN];
2489 char *pos, *pos2;
2490 char *pin = NULL;
2491 enum p2p_wps_method wps_method;
2492 int new_pin;
2493 int ret;
2494 int persistent_group;
2495 int join;
2496 int auth;
2497 int go_intent = -1;
2498 int freq = 0;
2500 /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad] [persistent]
2501 * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] */
2503 if (hwaddr_aton(cmd, addr))
2504 return -1;
2506 pos = cmd + 17;
2507 if (*pos != ' ')
2508 return -1;
2509 pos++;
2511 persistent_group = os_strstr(pos, " persistent") != NULL;
2512 join = os_strstr(pos, " join") != NULL;
2513 auth = os_strstr(pos, " auth") != NULL;
2515 pos2 = os_strstr(pos, " go_intent=");
2516 if (pos2) {
2517 pos2 += 11;
2518 go_intent = atoi(pos2);
2519 if (go_intent < 0 || go_intent > 15)
2520 return -1;
2521 }
2523 pos2 = os_strstr(pos, " freq=");
2524 if (pos2) {
2525 pos2 += 6;
2526 freq = atoi(pos2);
2527 if (freq <= 0)
2528 return -1;
2529 }
2531 if (os_strncmp(pos, "pin", 3) == 0) {
2532 /* Request random PIN (to be displayed) and enable the PIN */
2533 wps_method = WPS_PIN_DISPLAY;
2534 } else if (os_strncmp(pos, "pbc", 3) == 0) {
2535 wps_method = WPS_PBC;
2536 } else {
2537 pin = pos;
2538 pos = os_strchr(pin, ' ');
2539 wps_method = WPS_PIN_KEYPAD;
2540 if (pos) {
2541 *pos++ = '\0';
2542 if (os_strncmp(pos, "display", 7) == 0)
2543 wps_method = WPS_PIN_DISPLAY;
2544 }
2545 }
2547 new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
2548 persistent_group, join, auth, go_intent,
2549 freq);
2550 if (new_pin == -2) {
2551 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
2552 return 25;
2553 }
2554 if (new_pin == -3) {
2555 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
2556 return 25;
2557 }
2558 if (new_pin < 0)
2559 return -1;
2560 if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
2561 ret = os_snprintf(buf, buflen, "%08d", new_pin);
2562 if (ret < 0 || (size_t) ret >= buflen)
2563 return -1;
2564 return ret;
2565 }
2567 os_memcpy(buf, "OK\n", 3);
2568 return 3;
2569 }
2572 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
2573 {
2574 unsigned int timeout = atoi(cmd);
2575 return wpas_p2p_listen(wpa_s, timeout);
2576 }
2579 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
2580 {
2581 u8 addr[ETH_ALEN];
2582 char *pos;
2584 /* <addr> <config method> [join] */
2586 if (hwaddr_aton(cmd, addr))
2587 return -1;
2589 pos = cmd + 17;
2590 if (*pos != ' ')
2591 return -1;
2592 pos++;
2594 return wpas_p2p_prov_disc(wpa_s, addr, pos,
2595 os_strstr(pos, "join") != NULL);
2596 }
2599 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
2600 size_t buflen)
2601 {
2602 struct wpa_ssid *ssid = wpa_s->current_ssid;
2604 if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
2605 ssid->passphrase == NULL)
2606 return -1;
2608 os_strlcpy(buf, ssid->passphrase, buflen);
2609 return os_strlen(buf);
2610 }
2613 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
2614 char *buf, size_t buflen)
2615 {
2616 u64 ref;
2617 int res;
2618 u8 dst_buf[ETH_ALEN], *dst;
2619 struct wpabuf *tlvs;
2620 char *pos;
2621 size_t len;
2623 if (hwaddr_aton(cmd, dst_buf))
2624 return -1;
2625 dst = dst_buf;
2626 if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
2627 dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
2628 dst = NULL;
2629 pos = cmd + 17;
2630 if (*pos != ' ')
2631 return -1;
2632 pos++;
2634 if (os_strncmp(pos, "upnp ", 5) == 0) {
2635 u8 version;
2636 pos += 5;
2637 if (hexstr2bin(pos, &version, 1) < 0)
2638 return -1;
2639 pos += 2;
2640 if (*pos != ' ')
2641 return -1;
2642 pos++;
2643 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
2644 } else {
2645 len = os_strlen(pos);
2646 if (len & 1)
2647 return -1;
2648 len /= 2;
2649 tlvs = wpabuf_alloc(len);
2650 if (tlvs == NULL)
2651 return -1;
2652 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
2653 wpabuf_free(tlvs);
2654 return -1;
2655 }
2657 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
2658 wpabuf_free(tlvs);
2659 }
2660 if (ref == 0)
2661 return -1;
2662 res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
2663 if (res < 0 || (unsigned) res >= buflen)
2664 return -1;
2665 return res;
2666 }
2669 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
2670 char *cmd)
2671 {
2672 long long unsigned val;
2673 u64 req;
2674 if (sscanf(cmd, "%llx", &val) != 1)
2675 return -1;
2676 req = val;
2677 return wpas_p2p_sd_cancel_request(wpa_s, req);
2678 }
2681 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
2682 {
2683 int freq;
2684 u8 dst[ETH_ALEN];
2685 u8 dialog_token;
2686 struct wpabuf *resp_tlvs;
2687 char *pos, *pos2;
2688 size_t len;
2690 pos = os_strchr(cmd, ' ');
2691 if (pos == NULL)
2692 return -1;
2693 *pos++ = '\0';
2694 freq = atoi(cmd);
2695 if (freq == 0)
2696 return -1;
2698 if (hwaddr_aton(pos, dst))
2699 return -1;
2700 pos += 17;
2701 if (*pos != ' ')
2702 return -1;
2703 pos++;
2705 pos2 = os_strchr(pos, ' ');
2706 if (pos2 == NULL)
2707 return -1;
2708 *pos2++ = '\0';
2709 dialog_token = atoi(pos);
2711 len = os_strlen(pos2);
2712 if (len & 1)
2713 return -1;
2714 len /= 2;
2715 resp_tlvs = wpabuf_alloc(len);
2716 if (resp_tlvs == NULL)
2717 return -1;
2718 if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
2719 wpabuf_free(resp_tlvs);
2720 return -1;
2721 }
2723 wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
2724 wpabuf_free(resp_tlvs);
2725 return 0;
2726 }
2729 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
2730 char *cmd)
2731 {
2732 wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
2733 return 0;
2734 }
2737 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
2738 char *cmd)
2739 {
2740 char *pos;
2741 size_t len;
2742 struct wpabuf *query, *resp;
2744 pos = os_strchr(cmd, ' ');
2745 if (pos == NULL)
2746 return -1;
2747 *pos++ = '\0';
2749 len = os_strlen(cmd);
2750 if (len & 1)
2751 return -1;
2752 len /= 2;
2753 query = wpabuf_alloc(len);
2754 if (query == NULL)
2755 return -1;
2756 if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
2757 wpabuf_free(query);
2758 return -1;
2759 }
2761 len = os_strlen(pos);
2762 if (len & 1) {
2763 wpabuf_free(query);
2764 return -1;
2765 }
2766 len /= 2;
2767 resp = wpabuf_alloc(len);
2768 if (resp == NULL) {
2769 wpabuf_free(query);
2770 return -1;
2771 }
2772 if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
2773 wpabuf_free(query);
2774 wpabuf_free(resp);
2775 return -1;
2776 }
2778 if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
2779 wpabuf_free(query);
2780 wpabuf_free(resp);
2781 return -1;
2782 }
2783 return 0;
2784 }
2787 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
2788 {
2789 char *pos;
2790 u8 version;
2792 pos = os_strchr(cmd, ' ');
2793 if (pos == NULL)
2794 return -1;
2795 *pos++ = '\0';
2797 if (hexstr2bin(cmd, &version, 1) < 0)
2798 return -1;
2800 return wpas_p2p_service_add_upnp(wpa_s, version, pos);
2801 }
2804 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
2805 {
2806 char *pos;
2808 pos = os_strchr(cmd, ' ');
2809 if (pos == NULL)
2810 return -1;
2811 *pos++ = '\0';
2813 if (os_strcmp(cmd, "bonjour") == 0)
2814 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
2815 if (os_strcmp(cmd, "upnp") == 0)
2816 return p2p_ctrl_service_add_upnp(wpa_s, pos);
2817 wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
2818 return -1;
2819 }
2822 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
2823 char *cmd)
2824 {
2825 size_t len;
2826 struct wpabuf *query;
2827 int ret;
2829 len = os_strlen(cmd);
2830 if (len & 1)
2831 return -1;
2832 len /= 2;
2833 query = wpabuf_alloc(len);
2834 if (query == NULL)
2835 return -1;
2836 if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
2837 wpabuf_free(query);
2838 return -1;
2839 }
2841 ret = wpas_p2p_service_del_bonjour(wpa_s, query);
2842 wpabuf_free(query);
2843 return ret;
2844 }
2847 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
2848 {
2849 char *pos;
2850 u8 version;
2852 pos = os_strchr(cmd, ' ');
2853 if (pos == NULL)
2854 return -1;
2855 *pos++ = '\0';
2857 if (hexstr2bin(cmd, &version, 1) < 0)
2858 return -1;
2860 return wpas_p2p_service_del_upnp(wpa_s, version, pos);
2861 }
2864 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
2865 {
2866 char *pos;
2868 pos = os_strchr(cmd, ' ');
2869 if (pos == NULL)
2870 return -1;
2871 *pos++ = '\0';
2873 if (os_strcmp(cmd, "bonjour") == 0)
2874 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
2875 if (os_strcmp(cmd, "upnp") == 0)
2876 return p2p_ctrl_service_del_upnp(wpa_s, pos);
2877 wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
2878 return -1;
2879 }
2882 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
2883 {
2884 u8 addr[ETH_ALEN];
2886 /* <addr> */
2888 if (hwaddr_aton(cmd, addr))
2889 return -1;
2891 return wpas_p2p_reject(wpa_s, addr);
2892 }
2895 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
2896 {
2897 char *pos;
2898 int id;
2899 struct wpa_ssid *ssid;
2900 u8 peer[ETH_ALEN];
2902 id = atoi(cmd);
2903 pos = os_strstr(cmd, " peer=");
2904 if (pos) {
2905 pos += 6;
2906 if (hwaddr_aton(pos, peer))
2907 return -1;
2908 }
2909 ssid = wpa_config_get_network(wpa_s->conf, id);
2910 if (ssid == NULL || ssid->disabled != 2) {
2911 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
2912 "for persistent P2P group",
2913 id);
2914 return -1;
2915 }
2917 return wpas_p2p_invite(wpa_s, pos ? peer : NULL, ssid, NULL);
2918 }
2921 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
2922 {
2923 char *pos;
2924 u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
2926 pos = os_strstr(cmd, " peer=");
2927 if (!pos)
2928 return -1;
2930 *pos = '\0';
2931 pos += 6;
2932 if (hwaddr_aton(pos, peer)) {
2933 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
2934 return -1;
2935 }
2937 pos = os_strstr(pos, " go_dev_addr=");
2938 if (pos) {
2939 pos += 13;
2940 if (hwaddr_aton(pos, go_dev_addr)) {
2941 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
2942 pos);
2943 return -1;
2944 }
2945 go_dev = go_dev_addr;
2946 }
2948 return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
2949 }
2952 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
2953 {
2954 if (os_strncmp(cmd, "persistent=", 11) == 0)
2955 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
2956 if (os_strncmp(cmd, "group=", 6) == 0)
2957 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
2959 return -1;
2960 }
2963 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
2964 char *cmd, int freq)
2965 {
2966 int id;
2967 struct wpa_ssid *ssid;
2969 id = atoi(cmd);
2970 ssid = wpa_config_get_network(wpa_s->conf, id);
2971 if (ssid == NULL || ssid->disabled != 2) {
2972 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
2973 "for persistent P2P group",
2974 id);
2975 return -1;
2976 }
2978 return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq);
2979 }
2982 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
2983 {
2984 int freq = 0;
2985 char *pos;
2987 pos = os_strstr(cmd, "freq=");
2988 if (pos)
2989 freq = atoi(pos + 5);
2991 if (os_strncmp(cmd, "persistent=", 11) == 0)
2992 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq);
2993 if (os_strcmp(cmd, "persistent") == 0 ||
2994 os_strncmp(cmd, "persistent ", 11) == 0)
2995 return wpas_p2p_group_add(wpa_s, 1, freq);
2996 if (os_strncmp(cmd, "freq=", 5) == 0)
2997 return wpas_p2p_group_add(wpa_s, 0, freq);
2999 wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
3000 cmd);
3001 return -1;
3002 }
3005 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
3006 char *buf, size_t buflen)
3007 {
3008 u8 addr[ETH_ALEN], *addr_ptr;
3009 int next, res;
3010 const struct p2p_peer_info *info;
3011 char *pos, *end;
3012 char devtype[WPS_DEV_TYPE_BUFSIZE];
3013 struct wpa_ssid *ssid;
3015 if (!wpa_s->global->p2p)
3016 return -1;
3018 if (os_strcmp(cmd, "FIRST") == 0) {
3019 addr_ptr = NULL;
3020 next = 0;
3021 } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3022 if (hwaddr_aton(cmd + 5, addr) < 0)
3023 return -1;
3024 addr_ptr = addr;
3025 next = 1;
3026 } else {
3027 if (hwaddr_aton(cmd, addr) < 0)
3028 return -1;
3029 addr_ptr = addr;
3030 next = 0;
3031 }
3033 info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
3034 if (info == NULL)
3035 return -1;
3037 pos = buf;
3038 end = buf + buflen;
3040 res = os_snprintf(pos, end - pos, MACSTR "\n"
3041 "pri_dev_type=%s\n"
3042 "device_name=%s\n"
3043 "manufacturer=%s\n"
3044 "model_name=%s\n"
3045 "model_number=%s\n"
3046 "serial_number=%s\n"
3047 "config_methods=0x%x\n"
3048 "dev_capab=0x%x\n"
3049 "group_capab=0x%x\n"
3050 "level=%d\n",
3051 MAC2STR(info->p2p_device_addr),
3052 wps_dev_type_bin2str(info->pri_dev_type,
3053 devtype, sizeof(devtype)),
3054 info->device_name,
3055 info->manufacturer,
3056 info->model_name,
3057 info->model_number,
3058 info->serial_number,
3059 info->config_methods,
3060 info->dev_capab,
3061 info->group_capab,
3062 info->level);
3063 if (res < 0 || res >= end - pos)
3064 return pos - buf;
3065 pos += res;
3067 ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
3068 if (ssid) {
3069 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
3070 if (res < 0 || res >= end - pos)
3071 return pos - buf;
3072 pos += res;
3073 }
3075 res = p2p_get_peer_info_txt(info, pos, end - pos);
3076 if (res < 0)
3077 return pos - buf;
3078 pos += res;
3080 return pos - buf;
3081 }
3084 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
3085 {
3086 char *param;
3088 if (wpa_s->global->p2p == NULL)
3089 return -1;
3091 param = os_strchr(cmd, ' ');
3092 if (param == NULL)
3093 return -1;
3094 *param++ = '\0';
3096 if (os_strcmp(cmd, "discoverability") == 0) {
3097 p2p_set_client_discoverability(wpa_s->global->p2p,
3098 atoi(param));
3099 return 0;
3100 }
3102 if (os_strcmp(cmd, "managed") == 0) {
3103 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
3104 return 0;
3105 }
3107 if (os_strcmp(cmd, "listen_channel") == 0) {
3108 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
3109 atoi(param));
3110 }
3112 if (os_strcmp(cmd, "ssid_postfix") == 0) {
3113 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
3114 os_strlen(param));
3115 }
3117 if (os_strcmp(cmd, "noa") == 0) {
3118 char *pos;
3119 int count, start, duration;
3120 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
3121 count = atoi(param);
3122 pos = os_strchr(param, ',');
3123 if (pos == NULL)
3124 return -1;
3125 pos++;
3126 start = atoi(pos);
3127 pos = os_strchr(pos, ',');
3128 if (pos == NULL)
3129 return -1;
3130 pos++;
3131 duration = atoi(pos);
3132 if (count < 0 || count > 255 || start < 0 || duration < 0)
3133 return -1;
3134 if (count == 0 && duration > 0)
3135 return -1;
3136 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
3137 "start=%d duration=%d", count, start, duration);
3138 return wpas_p2p_set_noa(wpa_s, count, start, duration);
3139 }
3141 if (os_strcmp(cmd, "ps") == 0)
3142 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
3144 if (os_strcmp(cmd, "oppps") == 0)
3145 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
3147 if (os_strcmp(cmd, "ctwindow") == 0)
3148 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
3150 if (os_strcmp(cmd, "disabled") == 0) {
3151 wpa_s->global->p2p_disabled = atoi(param);
3152 wpa_printf(MSG_DEBUG, "P2P functionality %s",
3153 wpa_s->global->p2p_disabled ?
3154 "disabled" : "enabled");
3155 if (wpa_s->global->p2p_disabled) {
3156 wpas_p2p_stop_find(wpa_s);
3157 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
3158 p2p_flush(wpa_s->global->p2p);
3159 }
3160 return 0;
3161 }
3163 if (os_strcmp(cmd, "force_long_sd") == 0) {
3164 wpa_s->force_long_sd = atoi(param);
3165 return 0;
3166 }
3168 if (os_strcmp(cmd, "peer_filter") == 0) {
3169 u8 addr[ETH_ALEN];
3170 if (hwaddr_aton(param, addr))
3171 return -1;
3172 p2p_set_peer_filter(wpa_s->global->p2p, addr);
3173 return 0;
3174 }
3176 if (os_strcmp(cmd, "cross_connect") == 0)
3177 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
3179 if (os_strcmp(cmd, "go_apsd") == 0) {
3180 if (os_strcmp(param, "disable") == 0)
3181 wpa_s->set_ap_uapsd = 0;
3182 else {
3183 wpa_s->set_ap_uapsd = 1;
3184 wpa_s->ap_uapsd = atoi(param);
3185 }
3186 return 0;
3187 }
3189 if (os_strcmp(cmd, "client_apsd") == 0) {
3190 if (os_strcmp(param, "disable") == 0)
3191 wpa_s->set_sta_uapsd = 0;
3192 else {
3193 int be, bk, vi, vo;
3194 char *pos;
3195 /* format: BE,BK,VI,VO;max SP Length */
3196 be = atoi(param);
3197 pos = os_strchr(param, ',');
3198 if (pos == NULL)
3199 return -1;
3200 pos++;
3201 bk = atoi(pos);
3202 pos = os_strchr(pos, ',');
3203 if (pos == NULL)
3204 return -1;
3205 pos++;
3206 vi = atoi(pos);
3207 pos = os_strchr(pos, ',');
3208 if (pos == NULL)
3209 return -1;
3210 pos++;
3211 vo = atoi(pos);
3212 /* ignore max SP Length for now */
3214 wpa_s->set_sta_uapsd = 1;
3215 wpa_s->sta_uapsd = 0;
3216 if (be)
3217 wpa_s->sta_uapsd |= BIT(0);
3218 if (bk)
3219 wpa_s->sta_uapsd |= BIT(1);
3220 if (vi)
3221 wpa_s->sta_uapsd |= BIT(2);
3222 if (vo)
3223 wpa_s->sta_uapsd |= BIT(3);
3224 }
3225 return 0;
3226 }
3228 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
3229 cmd);
3231 return -1;
3232 }
3235 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
3236 {
3237 char *pos, *pos2;
3238 unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
3240 if (cmd[0]) {
3241 pos = os_strchr(cmd, ' ');
3242 if (pos == NULL)
3243 return -1;
3244 *pos++ = '\0';
3245 dur1 = atoi(cmd);
3247 pos2 = os_strchr(pos, ' ');
3248 if (pos2)
3249 *pos2++ = '\0';
3250 int1 = atoi(pos);
3251 } else
3252 pos2 = NULL;
3254 if (pos2) {
3255 pos = os_strchr(pos2, ' ');
3256 if (pos == NULL)
3257 return -1;
3258 *pos++ = '\0';
3259 dur2 = atoi(pos2);
3260 int2 = atoi(pos);
3261 }
3263 return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
3264 }
3267 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
3268 {
3269 char *pos;
3270 unsigned int period = 0, interval = 0;
3272 if (cmd[0]) {
3273 pos = os_strchr(cmd, ' ');
3274 if (pos == NULL)
3275 return -1;
3276 *pos++ = '\0';
3277 period = atoi(cmd);
3278 interval = atoi(pos);
3279 }
3281 return wpas_p2p_ext_listen(wpa_s, period, interval);
3282 }
3284 #endif /* CONFIG_P2P */
3287 #ifdef CONFIG_INTERWORKING
3288 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
3289 {
3290 u8 bssid[ETH_ALEN];
3291 struct wpa_bss *bss;
3293 if (hwaddr_aton(dst, bssid)) {
3294 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
3295 return -1;
3296 }
3298 bss = wpa_bss_get_bssid(wpa_s, bssid);
3299 if (bss == NULL) {
3300 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
3301 MAC2STR(bssid));
3302 return -1;
3303 }
3305 return interworking_connect(wpa_s, bss);
3306 }
3309 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
3310 {
3311 u8 dst_addr[ETH_ALEN];
3312 int used;
3313 char *pos;
3314 #define MAX_ANQP_INFO_ID 100
3315 u16 id[MAX_ANQP_INFO_ID];
3316 size_t num_id = 0;
3318 used = hwaddr_aton2(dst, dst_addr);
3319 if (used < 0)
3320 return -1;
3321 pos = dst + used;
3322 while (num_id < MAX_ANQP_INFO_ID) {
3323 id[num_id] = atoi(pos);
3324 if (id[num_id])
3325 num_id++;
3326 pos = os_strchr(pos + 1, ',');
3327 if (pos == NULL)
3328 break;
3329 pos++;
3330 }
3332 if (num_id == 0)
3333 return -1;
3335 return anqp_send_req(wpa_s, dst_addr, id, num_id);
3336 }
3337 #endif /* CONFIG_INTERWORKING */
3340 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
3341 struct wpa_supplicant *wpa_s, char *cmd)
3342 {
3343 wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
3344 return 0;
3345 }
3348 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
3349 size_t buflen)
3350 {
3351 struct wpa_signal_info si;
3352 int ret;
3354 ret = wpa_drv_signal_poll(wpa_s, &si);
3355 if (ret)
3356 return -1;
3358 ret = os_snprintf(buf, buflen, "RSSI=%d\nLINKSPEED=%d\n"
3359 "NOISE=%d\nFREQUENCY=%u\n",
3360 si.current_signal, si.current_txrate / 1000,
3361 si.current_noise, si.frequency);
3362 if (ret < 0 || (unsigned int) ret > buflen)
3363 return -1;
3364 return ret;
3365 }
3368 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
3369 char *buf, size_t *resp_len)
3370 {
3371 char *reply;
3372 const int reply_size = 4096;
3373 int ctrl_rsp = 0;
3374 int reply_len;
3376 if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
3377 os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
3378 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
3379 (const u8 *) buf, os_strlen(buf));
3380 } else {
3381 int level = MSG_DEBUG;
3382 if (os_strcmp(buf, "PING") == 0)
3383 level = MSG_EXCESSIVE;
3384 wpa_hexdump_ascii(level, "RX ctrl_iface",
3385 (const u8 *) buf, os_strlen(buf));
3386 }
3388 reply = os_malloc(reply_size);
3389 if (reply == NULL) {
3390 *resp_len = 1;
3391 return NULL;
3392 }
3394 os_memcpy(reply, "OK\n", 3);
3395 reply_len = 3;
3397 if (os_strcmp(buf, "PING") == 0) {
3398 os_memcpy(reply, "PONG\n", 5);
3399 reply_len = 5;
3400 } else if (os_strncmp(buf, "RELOG", 5) == 0) {
3401 if (wpa_debug_reopen_file() < 0)
3402 reply_len = -1;
3403 } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
3404 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
3405 } else if (os_strcmp(buf, "MIB") == 0) {
3406 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
3407 if (reply_len >= 0) {
3408 int res;
3409 res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
3410 reply_size - reply_len);
3411 if (res < 0)
3412 reply_len = -1;
3413 else
3414 reply_len += res;
3415 }
3416 } else if (os_strncmp(buf, "STATUS", 6) == 0) {
3417 reply_len = wpa_supplicant_ctrl_iface_status(
3418 wpa_s, buf + 6, reply, reply_size);
3419 } else if (os_strcmp(buf, "PMKSA") == 0) {
3420 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
3421 reply_size);
3422 } else if (os_strncmp(buf, "SET ", 4) == 0) {
3423 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
3424 reply_len = -1;
3425 } else if (os_strncmp(buf, "GET ", 4) == 0) {
3426 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
3427 reply, reply_size);
3428 } else if (os_strcmp(buf, "LOGON") == 0) {
3429 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
3430 } else if (os_strcmp(buf, "LOGOFF") == 0) {
3431 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
3432 } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
3433 wpa_s->normal_scans = 0;
3434 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
3435 reply_len = -1;
3436 else {
3437 wpa_s->disconnected = 0;
3438 wpa_s->reassociate = 1;
3439 wpa_supplicant_req_scan(wpa_s, 0, 0);
3440 }
3441 } else if (os_strcmp(buf, "RECONNECT") == 0) {
3442 wpa_s->normal_scans = 0;
3443 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
3444 reply_len = -1;
3445 else if (wpa_s->disconnected) {
3446 wpa_s->disconnected = 0;
3447 wpa_s->reassociate = 1;
3448 wpa_supplicant_req_scan(wpa_s, 0, 0);
3449 }
3450 #ifdef IEEE8021X_EAPOL
3451 } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
3452 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
3453 reply_len = -1;
3454 #endif /* IEEE8021X_EAPOL */
3455 #ifdef CONFIG_PEERKEY
3456 } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
3457 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
3458 reply_len = -1;
3459 #endif /* CONFIG_PEERKEY */
3460 #ifdef CONFIG_IEEE80211R
3461 } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
3462 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
3463 reply_len = -1;
3464 #endif /* CONFIG_IEEE80211R */
3465 #ifdef CONFIG_WPS
3466 } else if (os_strcmp(buf, "WPS_PBC") == 0) {
3467 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
3468 if (res == -2) {
3469 os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
3470 reply_len = 17;
3471 } else if (res)
3472 reply_len = -1;
3473 } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
3474 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
3475 if (res == -2) {
3476 os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
3477 reply_len = 17;
3478 } else if (res)
3479 reply_len = -1;
3480 } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
3481 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
3482 reply,
3483 reply_size);
3484 } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
3485 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
3486 wpa_s, buf + 14, reply, reply_size);
3487 } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
3488 if (wpas_wps_cancel(wpa_s))
3489 reply_len = -1;
3490 #ifdef CONFIG_WPS_OOB
3491 } else if (os_strncmp(buf, "WPS_OOB ", 8) == 0) {
3492 if (wpa_supplicant_ctrl_iface_wps_oob(wpa_s, buf + 8))
3493 reply_len = -1;
3494 #endif /* CONFIG_WPS_OOB */
3495 } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
3496 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
3497 reply_len = -1;
3498 #ifdef CONFIG_AP
3499 } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
3500 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
3501 wpa_s, buf + 11, reply, reply_size);
3502 #endif /* CONFIG_AP */
3503 #ifdef CONFIG_WPS_ER
3504 } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
3505 if (wpas_wps_er_start(wpa_s, NULL))
3506 reply_len = -1;
3507 } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
3508 if (wpas_wps_er_start(wpa_s, buf + 13))
3509 reply_len = -1;
3510 } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
3511 if (wpas_wps_er_stop(wpa_s))
3512 reply_len = -1;
3513 } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
3514 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
3515 reply_len = -1;
3516 } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
3517 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
3518 if (ret == -2) {
3519 os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
3520 reply_len = 17;
3521 } else if (ret == -3) {
3522 os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
3523 reply_len = 18;
3524 } else if (ret == -4) {
3525 os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
3526 reply_len = 20;
3527 } else if (ret)
3528 reply_len = -1;
3529 } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
3530 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
3531 reply_len = -1;
3532 } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
3533 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
3534 buf + 18))
3535 reply_len = -1;
3536 } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
3537 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
3538 reply_len = -1;
3539 #endif /* CONFIG_WPS_ER */
3540 #endif /* CONFIG_WPS */
3541 #ifdef CONFIG_IBSS_RSN
3542 } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
3543 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
3544 reply_len = -1;
3545 #endif /* CONFIG_IBSS_RSN */
3546 #ifdef CONFIG_P2P
3547 } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
3548 if (p2p_ctrl_find(wpa_s, buf + 9))
3549 reply_len = -1;
3550 } else if (os_strcmp(buf, "P2P_FIND") == 0) {
3551 if (p2p_ctrl_find(wpa_s, ""))
3552 reply_len = -1;
3553 } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
3554 wpas_p2p_stop_find(wpa_s);
3555 } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
3556 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
3557 reply_size);
3558 } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
3559 if (p2p_ctrl_listen(wpa_s, buf + 11))
3560 reply_len = -1;
3561 } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
3562 if (p2p_ctrl_listen(wpa_s, ""))
3563 reply_len = -1;
3564 } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
3565 if (wpas_p2p_group_remove(wpa_s, buf + 17))
3566 reply_len = -1;
3567 } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
3568 if (wpas_p2p_group_add(wpa_s, 0, 0))
3569 reply_len = -1;
3570 } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
3571 if (p2p_ctrl_group_add(wpa_s, buf + 14))
3572 reply_len = -1;
3573 } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
3574 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
3575 reply_len = -1;
3576 } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
3577 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
3578 } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
3579 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
3580 reply_size);
3581 } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
3582 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
3583 reply_len = -1;
3584 } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
3585 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
3586 reply_len = -1;
3587 } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
3588 wpas_p2p_sd_service_update(wpa_s);
3589 } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
3590 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
3591 reply_len = -1;
3592 } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
3593 wpas_p2p_service_flush(wpa_s);
3594 } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
3595 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
3596 reply_len = -1;
3597 } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
3598 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
3599 reply_len = -1;
3600 } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
3601 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
3602 reply_len = -1;
3603 } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
3604 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
3605 reply_len = -1;
3606 } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
3607 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
3608 reply_size);
3609 } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
3610 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
3611 reply_len = -1;
3612 } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
3613 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
3614 wpa_s->force_long_sd = 0;
3615 if (wpa_s->global->p2p)
3616 p2p_flush(wpa_s->global->p2p);
3617 } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
3618 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
3619 reply_len = -1;
3620 } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
3621 if (wpas_p2p_cancel(wpa_s))
3622 reply_len = -1;
3623 } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
3624 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
3625 reply_len = -1;
3626 } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
3627 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
3628 reply_len = -1;
3629 } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
3630 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
3631 reply_len = -1;
3632 } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
3633 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
3634 reply_len = -1;
3635 #endif /* CONFIG_P2P */
3636 #ifdef CONFIG_INTERWORKING
3637 } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
3638 if (interworking_fetch_anqp(wpa_s) < 0)
3639 reply_len = -1;
3640 } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
3641 interworking_stop_fetch_anqp(wpa_s);
3642 } else if (os_strncmp(buf, "INTERWORKING_SELECT", 19) == 0) {
3643 if (interworking_select(wpa_s, os_strstr(buf + 19, "auto") !=
3644 NULL) < 0)
3645 reply_len = -1;
3646 } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
3647 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
3648 reply_len = -1;
3649 } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
3650 if (get_anqp(wpa_s, buf + 9) < 0)
3651 reply_len = -1;
3652 #endif /* CONFIG_INTERWORKING */
3653 } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
3654 {
3655 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
3656 wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
3657 reply_len = -1;
3658 else
3659 ctrl_rsp = 1;
3660 } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
3661 if (wpa_supplicant_reload_configuration(wpa_s))
3662 reply_len = -1;
3663 } else if (os_strcmp(buf, "TERMINATE") == 0) {
3664 wpa_supplicant_terminate_proc(wpa_s->global);
3665 } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
3666 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
3667 reply_len = -1;
3668 } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
3669 reply_len = wpa_supplicant_ctrl_iface_blacklist(
3670 wpa_s, buf + 9, reply, reply_size);
3671 } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
3672 reply_len = wpa_supplicant_ctrl_iface_log_level(
3673 wpa_s, buf + 9, reply, reply_size);
3674 } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
3675 reply_len = wpa_supplicant_ctrl_iface_list_networks(
3676 wpa_s, reply, reply_size);
3677 } else if (os_strcmp(buf, "DISCONNECT") == 0) {
3678 wpa_s->reassociate = 0;
3679 wpa_s->disconnected = 1;
3680 wpa_supplicant_cancel_sched_scan(wpa_s);
3681 wpa_supplicant_deauthenticate(wpa_s,
3682 WLAN_REASON_DEAUTH_LEAVING);
3683 } else if (os_strcmp(buf, "SCAN") == 0) {
3684 wpa_s->normal_scans = 0;
3685 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
3686 reply_len = -1;
3687 else {
3688 if (!wpa_s->scanning &&
3689 ((wpa_s->wpa_state <= WPA_SCANNING) ||
3690 (wpa_s->wpa_state == WPA_COMPLETED))) {
3691 wpa_s->scan_req = 2;
3692 wpa_supplicant_req_scan(wpa_s, 0, 0);
3693 } else {
3694 wpa_printf(MSG_DEBUG, "Ongoing scan action - "
3695 "reject new request");
3696 reply_len = os_snprintf(reply, reply_size,
3697 "FAIL-BUSY\n");
3698 }
3699 }
3700 } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
3701 reply_len = wpa_supplicant_ctrl_iface_scan_results(
3702 wpa_s, reply, reply_size);
3703 } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
3704 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
3705 reply_len = -1;
3706 } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
3707 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
3708 reply_len = -1;
3709 } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
3710 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
3711 reply_len = -1;
3712 } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
3713 reply_len = wpa_supplicant_ctrl_iface_add_network(
3714 wpa_s, reply, reply_size);
3715 } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
3716 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
3717 reply_len = -1;
3718 } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
3719 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
3720 reply_len = -1;
3721 } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
3722 reply_len = wpa_supplicant_ctrl_iface_get_network(
3723 wpa_s, buf + 12, reply, reply_size);
3724 #ifndef CONFIG_NO_CONFIG_WRITE
3725 } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
3726 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
3727 reply_len = -1;
3728 #endif /* CONFIG_NO_CONFIG_WRITE */
3729 } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
3730 reply_len = wpa_supplicant_ctrl_iface_get_capability(
3731 wpa_s, buf + 15, reply, reply_size);
3732 } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
3733 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
3734 reply_len = -1;
3735 } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
3736 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
3737 reply_len = -1;
3738 } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
3739 reply_len = wpa_supplicant_global_iface_list(
3740 wpa_s->global, reply, reply_size);
3741 } else if (os_strcmp(buf, "INTERFACES") == 0) {
3742 reply_len = wpa_supplicant_global_iface_interfaces(
3743 wpa_s->global, reply, reply_size);
3744 } else if (os_strncmp(buf, "BSS ", 4) == 0) {
3745 reply_len = wpa_supplicant_ctrl_iface_bss(
3746 wpa_s, buf + 4, reply, reply_size);
3747 #ifdef CONFIG_AP
3748 } else if (os_strcmp(buf, "STA-FIRST") == 0) {
3749 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
3750 } else if (os_strncmp(buf, "STA ", 4) == 0) {
3751 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
3752 reply_size);
3753 } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
3754 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
3755 reply_size);
3756 #endif /* CONFIG_AP */
3757 } else if (os_strcmp(buf, "SUSPEND") == 0) {
3758 wpas_notify_suspend(wpa_s->global);
3759 } else if (os_strcmp(buf, "RESUME") == 0) {
3760 wpas_notify_resume(wpa_s->global);
3761 } else if (os_strcmp(buf, "DROP_SA") == 0) {
3762 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
3763 } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
3764 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
3765 reply_len = -1;
3766 } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
3767 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
3768 reply_len = -1;
3769 } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
3770 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
3771 reply_len = -1;
3772 } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
3773 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
3774 buf + 17))
3775 reply_len = -1;
3776 #ifdef CONFIG_TDLS
3777 } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
3778 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
3779 reply_len = -1;
3780 } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
3781 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
3782 reply_len = -1;
3783 } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
3784 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
3785 reply_len = -1;
3786 #endif /* CONFIG_TDLS */
3787 } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
3788 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
3789 reply_size);
3790 } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
3791 eapol_sm_request_reauth(wpa_s->eapol);
3792 } else {
3793 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
3794 reply_len = 16;
3795 }
3797 if (reply_len < 0) {
3798 os_memcpy(reply, "FAIL\n", 5);
3799 reply_len = 5;
3800 }
3802 if (ctrl_rsp)
3803 eapol_sm_notify_ctrl_response(wpa_s->eapol);
3805 *resp_len = reply_len;
3806 return reply;
3807 }
3810 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
3811 char *cmd)
3812 {
3813 struct wpa_interface iface;
3814 char *pos;
3816 /*
3817 * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
3818 * TAB<bridge_ifname>
3819 */
3820 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
3822 os_memset(&iface, 0, sizeof(iface));
3824 do {
3825 iface.ifname = pos = cmd;
3826 pos = os_strchr(pos, '\t');
3827 if (pos)
3828 *pos++ = '\0';
3829 if (iface.ifname[0] == '\0')
3830 return -1;
3831 if (pos == NULL)
3832 break;
3834 iface.confname = pos;
3835 pos = os_strchr(pos, '\t');
3836 if (pos)
3837 *pos++ = '\0';
3838 if (iface.confname[0] == '\0')
3839 iface.confname = NULL;
3840 if (pos == NULL)
3841 break;
3843 iface.driver = pos;
3844 pos = os_strchr(pos, '\t');
3845 if (pos)
3846 *pos++ = '\0';
3847 if (iface.driver[0] == '\0')
3848 iface.driver = NULL;
3849 if (pos == NULL)
3850 break;
3852 iface.ctrl_interface = pos;
3853 pos = os_strchr(pos, '\t');
3854 if (pos)
3855 *pos++ = '\0';
3856 if (iface.ctrl_interface[0] == '\0')
3857 iface.ctrl_interface = NULL;
3858 if (pos == NULL)
3859 break;
3861 iface.driver_param = pos;
3862 pos = os_strchr(pos, '\t');
3863 if (pos)
3864 *pos++ = '\0';
3865 if (iface.driver_param[0] == '\0')
3866 iface.driver_param = NULL;
3867 if (pos == NULL)
3868 break;
3870 iface.bridge_ifname = pos;
3871 pos = os_strchr(pos, '\t');
3872 if (pos)
3873 *pos++ = '\0';
3874 if (iface.bridge_ifname[0] == '\0')
3875 iface.bridge_ifname = NULL;
3876 if (pos == NULL)
3877 break;
3878 } while (0);
3880 if (wpa_supplicant_get_iface(global, iface.ifname))
3881 return -1;
3883 return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
3884 }
3887 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
3888 char *cmd)
3889 {
3890 struct wpa_supplicant *wpa_s;
3892 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
3894 wpa_s = wpa_supplicant_get_iface(global, cmd);
3895 if (wpa_s == NULL)
3896 return -1;
3897 return wpa_supplicant_remove_iface(global, wpa_s, 0);
3898 }
3901 static void wpa_free_iface_info(struct wpa_interface_info *iface)
3902 {
3903 struct wpa_interface_info *prev;
3905 while (iface) {
3906 prev = iface;
3907 iface = iface->next;
3909 os_free(prev->ifname);
3910 os_free(prev->desc);
3911 os_free(prev);
3912 }
3913 }
3916 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
3917 char *buf, int len)
3918 {
3919 int i, res;
3920 struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
3921 char *pos, *end;
3923 for (i = 0; wpa_drivers[i]; i++) {
3924 struct wpa_driver_ops *drv = wpa_drivers[i];
3925 if (drv->get_interfaces == NULL)
3926 continue;
3927 tmp = drv->get_interfaces(global->drv_priv[i]);
3928 if (tmp == NULL)
3929 continue;
3931 if (last == NULL)
3932 iface = last = tmp;
3933 else
3934 last->next = tmp;
3935 while (last->next)
3936 last = last->next;
3937 }
3939 pos = buf;
3940 end = buf + len;
3941 for (tmp = iface; tmp; tmp = tmp->next) {
3942 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
3943 tmp->drv_name, tmp->ifname,
3944 tmp->desc ? tmp->desc : "");
3945 if (res < 0 || res >= end - pos) {
3946 *pos = '\0';
3947 break;
3948 }
3949 pos += res;
3950 }
3952 wpa_free_iface_info(iface);
3954 return pos - buf;
3955 }
3958 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
3959 char *buf, int len)
3960 {
3961 int res;
3962 char *pos, *end;
3963 struct wpa_supplicant *wpa_s;
3965 wpa_s = global->ifaces;
3966 pos = buf;
3967 end = buf + len;
3969 while (wpa_s) {
3970 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
3971 if (res < 0 || res >= end - pos) {
3972 *pos = '\0';
3973 break;
3974 }
3975 pos += res;
3976 wpa_s = wpa_s->next;
3977 }
3978 return pos - buf;
3979 }
3982 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
3983 char *buf, size_t *resp_len)
3984 {
3985 char *reply;
3986 const int reply_size = 2048;
3987 int reply_len;
3988 int level = MSG_DEBUG;
3990 if (os_strcmp(buf, "PING") == 0)
3991 level = MSG_EXCESSIVE;
3992 wpa_hexdump_ascii(level, "RX global ctrl_iface",
3993 (const u8 *) buf, os_strlen(buf));
3995 reply = os_malloc(reply_size);
3996 if (reply == NULL) {
3997 *resp_len = 1;
3998 return NULL;
3999 }
4001 os_memcpy(reply, "OK\n", 3);
4002 reply_len = 3;
4004 if (os_strcmp(buf, "PING") == 0) {
4005 os_memcpy(reply, "PONG\n", 5);
4006 reply_len = 5;
4007 } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
4008 if (wpa_supplicant_global_iface_add(global, buf + 14))
4009 reply_len = -1;
4010 } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
4011 if (wpa_supplicant_global_iface_remove(global, buf + 17))
4012 reply_len = -1;
4013 } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
4014 reply_len = wpa_supplicant_global_iface_list(
4015 global, reply, reply_size);
4016 } else if (os_strcmp(buf, "INTERFACES") == 0) {
4017 reply_len = wpa_supplicant_global_iface_interfaces(
4018 global, reply, reply_size);
4019 } else if (os_strcmp(buf, "TERMINATE") == 0) {
4020 wpa_supplicant_terminate_proc(global);
4021 } else if (os_strcmp(buf, "SUSPEND") == 0) {
4022 wpas_notify_suspend(global);
4023 } else if (os_strcmp(buf, "RESUME") == 0) {
4024 wpas_notify_resume(global);
4025 } else {
4026 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
4027 reply_len = 16;
4028 }
4030 if (reply_len < 0) {
4031 os_memcpy(reply, "FAIL\n", 5);
4032 reply_len = 5;
4033 }
4035 *resp_len = reply_len;
4036 return reply;
4037 }