Check os_snprintf() result more consistently
[mech_eap.git] / wpa_supplicant / ctrl_iface.c
1 /*
2  * WPA Supplicant / Control interface (shared code for all backends)
3  * Copyright (c) 2004-2014, Jouni Malinen <j@w1.fi>
4  *
5  * This software may be distributed under the terms of the BSD license.
6  * See README for more details.
7  */
8
9 #include "utils/includes.h"
10 #ifdef CONFIG_TESTING_OPTIONS
11 #include <net/ethernet.h>
12 #include <netinet/ip.h>
13 #endif /* CONFIG_TESTING_OPTIONS */
14
15 #include "utils/common.h"
16 #include "utils/eloop.h"
17 #include "utils/uuid.h"
18 #include "common/version.h"
19 #include "common/ieee802_11_defs.h"
20 #include "common/ieee802_11_common.h"
21 #include "common/wpa_ctrl.h"
22 #include "ap/hostapd.h"
23 #include "eap_peer/eap.h"
24 #include "eapol_supp/eapol_supp_sm.h"
25 #include "rsn_supp/wpa.h"
26 #include "rsn_supp/preauth.h"
27 #include "rsn_supp/pmksa_cache.h"
28 #include "l2_packet/l2_packet.h"
29 #include "wps/wps.h"
30 #include "config.h"
31 #include "wpa_supplicant_i.h"
32 #include "driver_i.h"
33 #include "wps_supplicant.h"
34 #include "ibss_rsn.h"
35 #include "ap.h"
36 #include "p2p_supplicant.h"
37 #include "p2p/p2p.h"
38 #include "hs20_supplicant.h"
39 #include "wifi_display.h"
40 #include "notify.h"
41 #include "bss.h"
42 #include "scan.h"
43 #include "ctrl_iface.h"
44 #include "interworking.h"
45 #include "blacklist.h"
46 #include "autoscan.h"
47 #include "wnm_sta.h"
48 #include "offchannel.h"
49 #include "drivers/driver.h"
50 #include "mesh.h"
51
52 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
53                                             char *buf, int len);
54 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
55                                                   char *buf, int len);
56 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s,
57                                         char *val);
58
59 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
60 {
61         char *pos;
62         u8 addr[ETH_ALEN], *filter = NULL, *n;
63         size_t count = 0;
64
65         pos = val;
66         while (pos) {
67                 if (*pos == '\0')
68                         break;
69                 if (hwaddr_aton(pos, addr)) {
70                         os_free(filter);
71                         return -1;
72                 }
73                 n = os_realloc_array(filter, count + 1, ETH_ALEN);
74                 if (n == NULL) {
75                         os_free(filter);
76                         return -1;
77                 }
78                 filter = n;
79                 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
80                 count++;
81
82                 pos = os_strchr(pos, ' ');
83                 if (pos)
84                         pos++;
85         }
86
87         wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
88         os_free(wpa_s->bssid_filter);
89         wpa_s->bssid_filter = filter;
90         wpa_s->bssid_filter_count = count;
91
92         return 0;
93 }
94
95
96 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
97 {
98         char *pos;
99         u8 addr[ETH_ALEN], *bssid = NULL, *n;
100         struct wpa_ssid_value *ssid = NULL, *ns;
101         size_t count = 0, ssid_count = 0;
102         struct wpa_ssid *c;
103
104         /*
105          * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | ""
106          * SSID_SPEC ::= ssid <SSID_HEX>
107          * BSSID_SPEC ::= bssid <BSSID_HEX>
108          */
109
110         pos = val;
111         while (pos) {
112                 if (*pos == '\0')
113                         break;
114                 if (os_strncmp(pos, "bssid ", 6) == 0) {
115                         int res;
116                         pos += 6;
117                         res = hwaddr_aton2(pos, addr);
118                         if (res < 0) {
119                                 os_free(ssid);
120                                 os_free(bssid);
121                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
122                                            "BSSID value '%s'", pos);
123                                 return -1;
124                         }
125                         pos += res;
126                         n = os_realloc_array(bssid, count + 1, ETH_ALEN);
127                         if (n == NULL) {
128                                 os_free(ssid);
129                                 os_free(bssid);
130                                 return -1;
131                         }
132                         bssid = n;
133                         os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
134                         count++;
135                 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
136                         char *end;
137                         pos += 5;
138
139                         end = pos;
140                         while (*end) {
141                                 if (*end == '\0' || *end == ' ')
142                                         break;
143                                 end++;
144                         }
145
146                         ns = os_realloc_array(ssid, ssid_count + 1,
147                                               sizeof(struct wpa_ssid_value));
148                         if (ns == NULL) {
149                                 os_free(ssid);
150                                 os_free(bssid);
151                                 return -1;
152                         }
153                         ssid = ns;
154
155                         if ((end - pos) & 0x01 || end - pos > 2 * 32 ||
156                             hexstr2bin(pos, ssid[ssid_count].ssid,
157                                        (end - pos) / 2) < 0) {
158                                 os_free(ssid);
159                                 os_free(bssid);
160                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
161                                            "SSID value '%s'", pos);
162                                 return -1;
163                         }
164                         ssid[ssid_count].ssid_len = (end - pos) / 2;
165                         wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
166                                           ssid[ssid_count].ssid,
167                                           ssid[ssid_count].ssid_len);
168                         ssid_count++;
169                         pos = end;
170                 } else {
171                         wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
172                                    "'%s'", pos);
173                         os_free(ssid);
174                         os_free(bssid);
175                         return -1;
176                 }
177
178                 pos = os_strchr(pos, ' ');
179                 if (pos)
180                         pos++;
181         }
182
183         wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
184         os_free(wpa_s->disallow_aps_bssid);
185         wpa_s->disallow_aps_bssid = bssid;
186         wpa_s->disallow_aps_bssid_count = count;
187
188         wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
189         os_free(wpa_s->disallow_aps_ssid);
190         wpa_s->disallow_aps_ssid = ssid;
191         wpa_s->disallow_aps_ssid_count = ssid_count;
192
193         if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
194                 return 0;
195
196         c = wpa_s->current_ssid;
197         if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
198                 return 0;
199
200         if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
201             !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
202                 return 0;
203
204         wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
205                    "because current AP was marked disallowed");
206
207 #ifdef CONFIG_SME
208         wpa_s->sme.prev_bssid_set = 0;
209 #endif /* CONFIG_SME */
210         wpa_s->reassociate = 1;
211         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
212         wpa_supplicant_req_scan(wpa_s, 0, 0);
213
214         return 0;
215 }
216
217
218 #ifndef CONFIG_NO_CONFIG_BLOBS
219 static int wpas_ctrl_set_blob(struct wpa_supplicant *wpa_s, char *pos)
220 {
221         char *name = pos;
222         struct wpa_config_blob *blob;
223         size_t len;
224
225         pos = os_strchr(pos, ' ');
226         if (pos == NULL)
227                 return -1;
228         *pos++ = '\0';
229         len = os_strlen(pos);
230         if (len & 1)
231                 return -1;
232
233         wpa_printf(MSG_DEBUG, "CTRL: Set blob '%s'", name);
234         blob = os_zalloc(sizeof(*blob));
235         if (blob == NULL)
236                 return -1;
237         blob->name = os_strdup(name);
238         blob->data = os_malloc(len / 2);
239         if (blob->name == NULL || blob->data == NULL) {
240                 wpa_config_free_blob(blob);
241                 return -1;
242         }
243
244         if (hexstr2bin(pos, blob->data, len / 2) < 0) {
245                 wpa_printf(MSG_DEBUG, "CTRL: Invalid blob hex data");
246                 wpa_config_free_blob(blob);
247                 return -1;
248         }
249         blob->len = len / 2;
250
251         wpa_config_set_blob(wpa_s->conf, blob);
252
253         return 0;
254 }
255 #endif /* CONFIG_NO_CONFIG_BLOBS */
256
257
258 static int wpas_ctrl_pno(struct wpa_supplicant *wpa_s, char *cmd)
259 {
260         char *params;
261         char *pos;
262         int *freqs = NULL;
263         int ret;
264
265         if (atoi(cmd)) {
266                 params = os_strchr(cmd, ' ');
267                 os_free(wpa_s->manual_sched_scan_freqs);
268                 if (params) {
269                         params++;
270                         pos = os_strstr(params, "freq=");
271                         if (pos)
272                                 freqs = freq_range_to_channel_list(wpa_s,
273                                                                    pos + 5);
274                 }
275                 wpa_s->manual_sched_scan_freqs = freqs;
276                 ret = wpas_start_pno(wpa_s);
277         } else {
278                 ret = wpas_stop_pno(wpa_s);
279         }
280         return ret;
281 }
282
283
284 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
285                                          char *cmd)
286 {
287         char *value;
288         int ret = 0;
289
290         value = os_strchr(cmd, ' ');
291         if (value == NULL)
292                 return -1;
293         *value++ = '\0';
294
295         wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
296         if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
297                 eapol_sm_configure(wpa_s->eapol,
298                                    atoi(value), -1, -1, -1);
299         } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
300                 eapol_sm_configure(wpa_s->eapol,
301                                    -1, atoi(value), -1, -1);
302         } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
303                 eapol_sm_configure(wpa_s->eapol,
304                                    -1, -1, atoi(value), -1);
305         } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
306                 eapol_sm_configure(wpa_s->eapol,
307                                    -1, -1, -1, atoi(value));
308         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
309                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
310                                      atoi(value)))
311                         ret = -1;
312         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
313                    0) {
314                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
315                                      atoi(value)))
316                         ret = -1;
317         } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
318                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
319                         ret = -1;
320         } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
321                 wpa_s->wps_fragment_size = atoi(value);
322 #ifdef CONFIG_WPS_TESTING
323         } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
324                 long int val;
325                 val = strtol(value, NULL, 0);
326                 if (val < 0 || val > 0xff) {
327                         ret = -1;
328                         wpa_printf(MSG_DEBUG, "WPS: Invalid "
329                                    "wps_version_number %ld", val);
330                 } else {
331                         wps_version_number = val;
332                         wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
333                                    "version %u.%u",
334                                    (wps_version_number & 0xf0) >> 4,
335                                    wps_version_number & 0x0f);
336                 }
337         } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
338                 wps_testing_dummy_cred = atoi(value);
339                 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
340                            wps_testing_dummy_cred);
341         } else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
342                 wps_corrupt_pkhash = atoi(value);
343                 wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
344                            wps_corrupt_pkhash);
345 #endif /* CONFIG_WPS_TESTING */
346         } else if (os_strcasecmp(cmd, "ampdu") == 0) {
347                 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
348                         ret = -1;
349 #ifdef CONFIG_TDLS
350 #ifdef CONFIG_TDLS_TESTING
351         } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
352                 extern unsigned int tdls_testing;
353                 tdls_testing = strtol(value, NULL, 0);
354                 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
355 #endif /* CONFIG_TDLS_TESTING */
356         } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
357                 int disabled = atoi(value);
358                 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
359                 if (disabled) {
360                         if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
361                                 ret = -1;
362                 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
363                         ret = -1;
364                 wpa_tdls_enable(wpa_s->wpa, !disabled);
365 #endif /* CONFIG_TDLS */
366         } else if (os_strcasecmp(cmd, "pno") == 0) {
367                 ret = wpas_ctrl_pno(wpa_s, value);
368         } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
369                 int disabled = atoi(value);
370                 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
371                         ret = -1;
372                 else if (disabled)
373                         wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
374         } else if (os_strcasecmp(cmd, "uapsd") == 0) {
375                 if (os_strcmp(value, "disable") == 0)
376                         wpa_s->set_sta_uapsd = 0;
377                 else {
378                         int be, bk, vi, vo;
379                         char *pos;
380                         /* format: BE,BK,VI,VO;max SP Length */
381                         be = atoi(value);
382                         pos = os_strchr(value, ',');
383                         if (pos == NULL)
384                                 return -1;
385                         pos++;
386                         bk = atoi(pos);
387                         pos = os_strchr(pos, ',');
388                         if (pos == NULL)
389                                 return -1;
390                         pos++;
391                         vi = atoi(pos);
392                         pos = os_strchr(pos, ',');
393                         if (pos == NULL)
394                                 return -1;
395                         pos++;
396                         vo = atoi(pos);
397                         /* ignore max SP Length for now */
398
399                         wpa_s->set_sta_uapsd = 1;
400                         wpa_s->sta_uapsd = 0;
401                         if (be)
402                                 wpa_s->sta_uapsd |= BIT(0);
403                         if (bk)
404                                 wpa_s->sta_uapsd |= BIT(1);
405                         if (vi)
406                                 wpa_s->sta_uapsd |= BIT(2);
407                         if (vo)
408                                 wpa_s->sta_uapsd |= BIT(3);
409                 }
410         } else if (os_strcasecmp(cmd, "ps") == 0) {
411                 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
412 #ifdef CONFIG_WIFI_DISPLAY
413         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
414                 int enabled = !!atoi(value);
415                 if (enabled && !wpa_s->global->p2p)
416                         ret = -1;
417                 else
418                         wifi_display_enable(wpa_s->global, enabled);
419 #endif /* CONFIG_WIFI_DISPLAY */
420         } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
421                 ret = set_bssid_filter(wpa_s, value);
422         } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
423                 ret = set_disallow_aps(wpa_s, value);
424         } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
425                 wpa_s->no_keep_alive = !!atoi(value);
426 #ifdef CONFIG_TESTING_OPTIONS
427         } else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) {
428                 wpa_s->ext_mgmt_frame_handling = !!atoi(value);
429         } else if (os_strcasecmp(cmd, "ext_eapol_frame_io") == 0) {
430                 wpa_s->ext_eapol_frame_io = !!atoi(value);
431 #ifdef CONFIG_AP
432                 if (wpa_s->ap_iface) {
433                         wpa_s->ap_iface->bss[0]->ext_eapol_frame_io =
434                                 wpa_s->ext_eapol_frame_io;
435                 }
436 #endif /* CONFIG_AP */
437         } else if (os_strcasecmp(cmd, "extra_roc_dur") == 0) {
438                 wpa_s->extra_roc_dur = atoi(value);
439 #endif /* CONFIG_TESTING_OPTIONS */
440 #ifndef CONFIG_NO_CONFIG_BLOBS
441         } else if (os_strcmp(cmd, "blob") == 0) {
442                 ret = wpas_ctrl_set_blob(wpa_s, value);
443 #endif /* CONFIG_NO_CONFIG_BLOBS */
444         } else {
445                 value[-1] = '=';
446                 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
447                 if (ret == 0)
448                         wpa_supplicant_update_config(wpa_s);
449         }
450
451         return ret;
452 }
453
454
455 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
456                                          char *cmd, char *buf, size_t buflen)
457 {
458         int res = -1;
459
460         wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
461
462         if (os_strcmp(cmd, "version") == 0) {
463                 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
464         } else if (os_strcasecmp(cmd, "country") == 0) {
465                 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
466                         res = os_snprintf(buf, buflen, "%c%c",
467                                           wpa_s->conf->country[0],
468                                           wpa_s->conf->country[1]);
469 #ifdef CONFIG_WIFI_DISPLAY
470         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
471                 int enabled;
472                 if (wpa_s->global->p2p == NULL ||
473                     wpa_s->global->p2p_disabled)
474                         enabled = 0;
475                 else
476                         enabled = wpa_s->global->wifi_display;
477                 res = os_snprintf(buf, buflen, "%d", enabled);
478 #endif /* CONFIG_WIFI_DISPLAY */
479 #ifdef CONFIG_TESTING_GET_GTK
480         } else if (os_strcmp(cmd, "gtk") == 0) {
481                 if (wpa_s->last_gtk_len == 0)
482                         return -1;
483                 res = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk,
484                                        wpa_s->last_gtk_len);
485                 return res;
486 #endif /* CONFIG_TESTING_GET_GTK */
487         }
488
489         if (os_snprintf_error(buflen, res))
490                 return -1;
491         return res;
492 }
493
494
495 #ifdef IEEE8021X_EAPOL
496 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
497                                              char *addr)
498 {
499         u8 bssid[ETH_ALEN];
500         struct wpa_ssid *ssid = wpa_s->current_ssid;
501
502         if (hwaddr_aton(addr, bssid)) {
503                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
504                            "'%s'", addr);
505                 return -1;
506         }
507
508         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
509         rsn_preauth_deinit(wpa_s->wpa);
510         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
511                 return -1;
512
513         return 0;
514 }
515 #endif /* IEEE8021X_EAPOL */
516
517
518 #ifdef CONFIG_PEERKEY
519 /* MLME-STKSTART.request(peer) */
520 static int wpa_supplicant_ctrl_iface_stkstart(
521         struct wpa_supplicant *wpa_s, char *addr)
522 {
523         u8 peer[ETH_ALEN];
524
525         if (hwaddr_aton(addr, peer)) {
526                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
527                            "address '%s'", addr);
528                 return -1;
529         }
530
531         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
532                    MAC2STR(peer));
533
534         return wpa_sm_stkstart(wpa_s->wpa, peer);
535 }
536 #endif /* CONFIG_PEERKEY */
537
538
539 #ifdef CONFIG_TDLS
540
541 static int wpa_supplicant_ctrl_iface_tdls_discover(
542         struct wpa_supplicant *wpa_s, char *addr)
543 {
544         u8 peer[ETH_ALEN];
545         int ret;
546
547         if (hwaddr_aton(addr, peer)) {
548                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
549                            "address '%s'", addr);
550                 return -1;
551         }
552
553         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
554                    MAC2STR(peer));
555
556         if (wpa_tdls_is_external_setup(wpa_s->wpa))
557                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
558         else
559                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
560
561         return ret;
562 }
563
564
565 static int wpa_supplicant_ctrl_iface_tdls_setup(
566         struct wpa_supplicant *wpa_s, char *addr)
567 {
568         u8 peer[ETH_ALEN];
569         int ret;
570
571         if (hwaddr_aton(addr, peer)) {
572                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
573                            "address '%s'", addr);
574                 return -1;
575         }
576
577         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
578                    MAC2STR(peer));
579
580         if ((wpa_s->conf->tdls_external_control) &&
581             wpa_tdls_is_external_setup(wpa_s->wpa))
582                 return wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
583
584         wpa_tdls_remove(wpa_s->wpa, peer);
585
586         if (wpa_tdls_is_external_setup(wpa_s->wpa))
587                 ret = wpa_tdls_start(wpa_s->wpa, peer);
588         else
589                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
590
591         return ret;
592 }
593
594
595 static int wpa_supplicant_ctrl_iface_tdls_teardown(
596         struct wpa_supplicant *wpa_s, char *addr)
597 {
598         u8 peer[ETH_ALEN];
599         int ret;
600
601         if (os_strcmp(addr, "*") == 0) {
602                 /* remove everyone */
603                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN *");
604                 wpa_tdls_teardown_peers(wpa_s->wpa);
605                 return 0;
606         }
607
608         if (hwaddr_aton(addr, peer)) {
609                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
610                            "address '%s'", addr);
611                 return -1;
612         }
613
614         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
615                    MAC2STR(peer));
616
617         if ((wpa_s->conf->tdls_external_control) &&
618             wpa_tdls_is_external_setup(wpa_s->wpa))
619                 return wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
620
621         if (wpa_tdls_is_external_setup(wpa_s->wpa))
622                 ret = wpa_tdls_teardown_link(
623                         wpa_s->wpa, peer,
624                         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
625         else
626                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
627
628         return ret;
629 }
630
631
632 static int ctrl_iface_get_capability_tdls(
633         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
634 {
635         int ret;
636
637         ret = os_snprintf(buf, buflen, "%s\n",
638                           wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT ?
639                           (wpa_s->drv_flags &
640                            WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP ?
641                            "EXTERNAL" : "INTERNAL") : "UNSUPPORTED");
642         if (os_snprintf_error(buflen, ret))
643                 return -1;
644         return ret;
645 }
646
647 #endif /* CONFIG_TDLS */
648
649
650 static int wmm_ac_ctrl_addts(struct wpa_supplicant *wpa_s, char *cmd)
651 {
652         char *token, *context = NULL;
653         struct wmm_ac_ts_setup_params params = {
654                 .tsid = 0xff,
655                 .direction = 0xff,
656         };
657
658         while ((token = str_token(cmd, " ", &context))) {
659                 if (sscanf(token, "tsid=%i", &params.tsid) == 1 ||
660                     sscanf(token, "up=%i", &params.user_priority) == 1 ||
661                     sscanf(token, "nominal_msdu_size=%i",
662                            &params.nominal_msdu_size) == 1 ||
663                     sscanf(token, "mean_data_rate=%i",
664                            &params.mean_data_rate) == 1 ||
665                     sscanf(token, "min_phy_rate=%i",
666                            &params.minimum_phy_rate) == 1 ||
667                     sscanf(token, "sba=%i",
668                            &params.surplus_bandwidth_allowance) == 1)
669                         continue;
670
671                 if (os_strcasecmp(token, "downlink") == 0) {
672                         params.direction = WMM_TSPEC_DIRECTION_DOWNLINK;
673                 } else if (os_strcasecmp(token, "uplink") == 0) {
674                         params.direction = WMM_TSPEC_DIRECTION_UPLINK;
675                 } else if (os_strcasecmp(token, "bidi") == 0) {
676                         params.direction = WMM_TSPEC_DIRECTION_BI_DIRECTIONAL;
677                 } else if (os_strcasecmp(token, "fixed_nominal_msdu") == 0) {
678                         params.fixed_nominal_msdu = 1;
679                 } else {
680                         wpa_printf(MSG_DEBUG,
681                                    "CTRL: Invalid WMM_AC_ADDTS parameter: '%s'",
682                                    token);
683                         return -1;
684                 }
685
686         }
687
688         return wpas_wmm_ac_addts(wpa_s, &params);
689 }
690
691
692 static int wmm_ac_ctrl_delts(struct wpa_supplicant *wpa_s, char *cmd)
693 {
694         u8 tsid = atoi(cmd);
695
696         return wpas_wmm_ac_delts(wpa_s, tsid);
697 }
698
699
700 #ifdef CONFIG_IEEE80211R
701 static int wpa_supplicant_ctrl_iface_ft_ds(
702         struct wpa_supplicant *wpa_s, char *addr)
703 {
704         u8 target_ap[ETH_ALEN];
705         struct wpa_bss *bss;
706         const u8 *mdie;
707
708         if (hwaddr_aton(addr, target_ap)) {
709                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
710                            "address '%s'", addr);
711                 return -1;
712         }
713
714         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
715
716         bss = wpa_bss_get_bssid(wpa_s, target_ap);
717         if (bss)
718                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
719         else
720                 mdie = NULL;
721
722         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
723 }
724 #endif /* CONFIG_IEEE80211R */
725
726
727 #ifdef CONFIG_WPS
728 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
729                                              char *cmd)
730 {
731         u8 bssid[ETH_ALEN], *_bssid = bssid;
732 #ifdef CONFIG_P2P
733         u8 p2p_dev_addr[ETH_ALEN];
734 #endif /* CONFIG_P2P */
735 #ifdef CONFIG_AP
736         u8 *_p2p_dev_addr = NULL;
737 #endif /* CONFIG_AP */
738
739         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
740                 _bssid = NULL;
741 #ifdef CONFIG_P2P
742         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
743                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
744                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
745                                    "P2P Device Address '%s'",
746                                    cmd + 13);
747                         return -1;
748                 }
749                 _p2p_dev_addr = p2p_dev_addr;
750 #endif /* CONFIG_P2P */
751         } else if (hwaddr_aton(cmd, bssid)) {
752                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
753                            cmd);
754                 return -1;
755         }
756
757 #ifdef CONFIG_AP
758         if (wpa_s->ap_iface)
759                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
760 #endif /* CONFIG_AP */
761
762         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
763 }
764
765
766 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
767                                              char *cmd, char *buf,
768                                              size_t buflen)
769 {
770         u8 bssid[ETH_ALEN], *_bssid = bssid;
771         char *pin;
772         int ret;
773
774         pin = os_strchr(cmd, ' ');
775         if (pin)
776                 *pin++ = '\0';
777
778         if (os_strcmp(cmd, "any") == 0)
779                 _bssid = NULL;
780         else if (os_strcmp(cmd, "get") == 0) {
781                 ret = wps_generate_pin();
782                 goto done;
783         } else if (hwaddr_aton(cmd, bssid)) {
784                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
785                            cmd);
786                 return -1;
787         }
788
789 #ifdef CONFIG_AP
790         if (wpa_s->ap_iface) {
791                 int timeout = 0;
792                 char *pos;
793
794                 if (pin) {
795                         pos = os_strchr(pin, ' ');
796                         if (pos) {
797                                 *pos++ = '\0';
798                                 timeout = atoi(pos);
799                         }
800                 }
801
802                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
803                                                  buf, buflen, timeout);
804         }
805 #endif /* CONFIG_AP */
806
807         if (pin) {
808                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
809                                          DEV_PW_DEFAULT);
810                 if (ret < 0)
811                         return -1;
812                 ret = os_snprintf(buf, buflen, "%s", pin);
813                 if (os_snprintf_error(buflen, ret))
814                         return -1;
815                 return ret;
816         }
817
818         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
819         if (ret < 0)
820                 return -1;
821
822 done:
823         /* Return the generated PIN */
824         ret = os_snprintf(buf, buflen, "%08d", ret);
825         if (os_snprintf_error(buflen, ret))
826                 return -1;
827         return ret;
828 }
829
830
831 static int wpa_supplicant_ctrl_iface_wps_check_pin(
832         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
833 {
834         char pin[9];
835         size_t len;
836         char *pos;
837         int ret;
838
839         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
840                               (u8 *) cmd, os_strlen(cmd));
841         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
842                 if (*pos < '0' || *pos > '9')
843                         continue;
844                 pin[len++] = *pos;
845                 if (len == 9) {
846                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
847                         return -1;
848                 }
849         }
850         if (len != 4 && len != 8) {
851                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
852                 return -1;
853         }
854         pin[len] = '\0';
855
856         if (len == 8) {
857                 unsigned int pin_val;
858                 pin_val = atoi(pin);
859                 if (!wps_pin_valid(pin_val)) {
860                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
861                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
862                         if (os_snprintf_error(buflen, ret))
863                                 return -1;
864                         return ret;
865                 }
866         }
867
868         ret = os_snprintf(buf, buflen, "%s", pin);
869         if (os_snprintf_error(buflen, ret))
870                 return -1;
871
872         return ret;
873 }
874
875
876 #ifdef CONFIG_WPS_NFC
877
878 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
879                                              char *cmd)
880 {
881         u8 bssid[ETH_ALEN], *_bssid = bssid;
882
883         if (cmd == NULL || cmd[0] == '\0')
884                 _bssid = NULL;
885         else if (hwaddr_aton(cmd, bssid))
886                 return -1;
887
888         return wpas_wps_start_nfc(wpa_s, NULL, _bssid, NULL, 0, 0, NULL, NULL,
889                                   0, 0);
890 }
891
892
893 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
894         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
895 {
896         int ndef;
897         struct wpabuf *buf;
898         int res;
899         char *pos;
900
901         pos = os_strchr(cmd, ' ');
902         if (pos)
903                 *pos++ = '\0';
904         if (os_strcmp(cmd, "WPS") == 0)
905                 ndef = 0;
906         else if (os_strcmp(cmd, "NDEF") == 0)
907                 ndef = 1;
908         else
909                 return -1;
910
911         buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
912         if (buf == NULL)
913                 return -1;
914
915         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
916                                          wpabuf_len(buf));
917         reply[res++] = '\n';
918         reply[res] = '\0';
919
920         wpabuf_free(buf);
921
922         return res;
923 }
924
925
926 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
927         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
928 {
929         int ndef;
930         struct wpabuf *buf;
931         int res;
932
933         if (os_strcmp(cmd, "WPS") == 0)
934                 ndef = 0;
935         else if (os_strcmp(cmd, "NDEF") == 0)
936                 ndef = 1;
937         else
938                 return -1;
939
940         buf = wpas_wps_nfc_token(wpa_s, ndef);
941         if (buf == NULL)
942                 return -1;
943
944         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
945                                          wpabuf_len(buf));
946         reply[res++] = '\n';
947         reply[res] = '\0';
948
949         wpabuf_free(buf);
950
951         return res;
952 }
953
954
955 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
956         struct wpa_supplicant *wpa_s, char *pos)
957 {
958         size_t len;
959         struct wpabuf *buf;
960         int ret;
961         char *freq;
962         int forced_freq = 0;
963
964         freq = strstr(pos, " freq=");
965         if (freq) {
966                 *freq = '\0';
967                 freq += 6;
968                 forced_freq = atoi(freq);
969         }
970
971         len = os_strlen(pos);
972         if (len & 0x01)
973                 return -1;
974         len /= 2;
975
976         buf = wpabuf_alloc(len);
977         if (buf == NULL)
978                 return -1;
979         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
980                 wpabuf_free(buf);
981                 return -1;
982         }
983
984         ret = wpas_wps_nfc_tag_read(wpa_s, buf, forced_freq);
985         wpabuf_free(buf);
986
987         return ret;
988 }
989
990
991 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
992                                               char *reply, size_t max_len,
993                                               int ndef)
994 {
995         struct wpabuf *buf;
996         int res;
997
998         buf = wpas_wps_nfc_handover_req(wpa_s, ndef);
999         if (buf == NULL)
1000                 return -1;
1001
1002         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1003                                          wpabuf_len(buf));
1004         reply[res++] = '\n';
1005         reply[res] = '\0';
1006
1007         wpabuf_free(buf);
1008
1009         return res;
1010 }
1011
1012
1013 #ifdef CONFIG_P2P
1014 static int wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant *wpa_s,
1015                                               char *reply, size_t max_len,
1016                                               int ndef)
1017 {
1018         struct wpabuf *buf;
1019         int res;
1020
1021         buf = wpas_p2p_nfc_handover_req(wpa_s, ndef);
1022         if (buf == NULL) {
1023                 wpa_printf(MSG_DEBUG, "P2P: Could not generate NFC handover request");
1024                 return -1;
1025         }
1026
1027         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1028                                          wpabuf_len(buf));
1029         reply[res++] = '\n';
1030         reply[res] = '\0';
1031
1032         wpabuf_free(buf);
1033
1034         return res;
1035 }
1036 #endif /* CONFIG_P2P */
1037
1038
1039 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
1040                                           char *cmd, char *reply,
1041                                           size_t max_len)
1042 {
1043         char *pos;
1044         int ndef;
1045
1046         pos = os_strchr(cmd, ' ');
1047         if (pos == NULL)
1048                 return -1;
1049         *pos++ = '\0';
1050
1051         if (os_strcmp(cmd, "WPS") == 0)
1052                 ndef = 0;
1053         else if (os_strcmp(cmd, "NDEF") == 0)
1054                 ndef = 1;
1055         else
1056                 return -1;
1057
1058         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1059                 if (!ndef)
1060                         return -1;
1061                 return wpas_ctrl_nfc_get_handover_req_wps(
1062                         wpa_s, reply, max_len, ndef);
1063         }
1064
1065 #ifdef CONFIG_P2P
1066         if (os_strcmp(pos, "P2P-CR") == 0) {
1067                 return wpas_ctrl_nfc_get_handover_req_p2p(
1068                         wpa_s, reply, max_len, ndef);
1069         }
1070 #endif /* CONFIG_P2P */
1071
1072         return -1;
1073 }
1074
1075
1076 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
1077                                               char *reply, size_t max_len,
1078                                               int ndef, int cr, char *uuid)
1079 {
1080         struct wpabuf *buf;
1081         int res;
1082
1083         buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
1084         if (buf == NULL)
1085                 return -1;
1086
1087         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1088                                          wpabuf_len(buf));
1089         reply[res++] = '\n';
1090         reply[res] = '\0';
1091
1092         wpabuf_free(buf);
1093
1094         return res;
1095 }
1096
1097
1098 #ifdef CONFIG_P2P
1099 static int wpas_ctrl_nfc_get_handover_sel_p2p(struct wpa_supplicant *wpa_s,
1100                                               char *reply, size_t max_len,
1101                                               int ndef, int tag)
1102 {
1103         struct wpabuf *buf;
1104         int res;
1105
1106         buf = wpas_p2p_nfc_handover_sel(wpa_s, ndef, tag);
1107         if (buf == NULL)
1108                 return -1;
1109
1110         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1111                                          wpabuf_len(buf));
1112         reply[res++] = '\n';
1113         reply[res] = '\0';
1114
1115         wpabuf_free(buf);
1116
1117         return res;
1118 }
1119 #endif /* CONFIG_P2P */
1120
1121
1122 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
1123                                           char *cmd, char *reply,
1124                                           size_t max_len)
1125 {
1126         char *pos, *pos2;
1127         int ndef;
1128
1129         pos = os_strchr(cmd, ' ');
1130         if (pos == NULL)
1131                 return -1;
1132         *pos++ = '\0';
1133
1134         if (os_strcmp(cmd, "WPS") == 0)
1135                 ndef = 0;
1136         else if (os_strcmp(cmd, "NDEF") == 0)
1137                 ndef = 1;
1138         else
1139                 return -1;
1140
1141         pos2 = os_strchr(pos, ' ');
1142         if (pos2)
1143                 *pos2++ = '\0';
1144         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1145                 if (!ndef)
1146                         return -1;
1147                 return wpas_ctrl_nfc_get_handover_sel_wps(
1148                         wpa_s, reply, max_len, ndef,
1149                         os_strcmp(pos, "WPS-CR") == 0, pos2);
1150         }
1151
1152 #ifdef CONFIG_P2P
1153         if (os_strcmp(pos, "P2P-CR") == 0) {
1154                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1155                         wpa_s, reply, max_len, ndef, 0);
1156         }
1157
1158         if (os_strcmp(pos, "P2P-CR-TAG") == 0) {
1159                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1160                         wpa_s, reply, max_len, ndef, 1);
1161         }
1162 #endif /* CONFIG_P2P */
1163
1164         return -1;
1165 }
1166
1167
1168 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1169                                          char *cmd)
1170 {
1171         size_t len;
1172         struct wpabuf *req, *sel;
1173         int ret;
1174         char *pos, *role, *type, *pos2;
1175 #ifdef CONFIG_P2P
1176         char *freq;
1177         int forced_freq = 0;
1178
1179         freq = strstr(cmd, " freq=");
1180         if (freq) {
1181                 *freq = '\0';
1182                 freq += 6;
1183                 forced_freq = atoi(freq);
1184         }
1185 #endif /* CONFIG_P2P */
1186
1187         role = cmd;
1188         pos = os_strchr(role, ' ');
1189         if (pos == NULL) {
1190                 wpa_printf(MSG_DEBUG, "NFC: Missing type in handover report");
1191                 return -1;
1192         }
1193         *pos++ = '\0';
1194
1195         type = pos;
1196         pos = os_strchr(type, ' ');
1197         if (pos == NULL) {
1198                 wpa_printf(MSG_DEBUG, "NFC: Missing request message in handover report");
1199                 return -1;
1200         }
1201         *pos++ = '\0';
1202
1203         pos2 = os_strchr(pos, ' ');
1204         if (pos2 == NULL) {
1205                 wpa_printf(MSG_DEBUG, "NFC: Missing select message in handover report");
1206                 return -1;
1207         }
1208         *pos2++ = '\0';
1209
1210         len = os_strlen(pos);
1211         if (len & 0x01) {
1212                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message length in handover report");
1213                 return -1;
1214         }
1215         len /= 2;
1216
1217         req = wpabuf_alloc(len);
1218         if (req == NULL) {
1219                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for request message");
1220                 return -1;
1221         }
1222         if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1223                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message hexdump in handover report");
1224                 wpabuf_free(req);
1225                 return -1;
1226         }
1227
1228         len = os_strlen(pos2);
1229         if (len & 0x01) {
1230                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message length in handover report");
1231                 wpabuf_free(req);
1232                 return -1;
1233         }
1234         len /= 2;
1235
1236         sel = wpabuf_alloc(len);
1237         if (sel == NULL) {
1238                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for select message");
1239                 wpabuf_free(req);
1240                 return -1;
1241         }
1242         if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1243                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message hexdump in handover report");
1244                 wpabuf_free(req);
1245                 wpabuf_free(sel);
1246                 return -1;
1247         }
1248
1249         wpa_printf(MSG_DEBUG, "NFC: Connection handover reported - role=%s type=%s req_len=%d sel_len=%d",
1250                    role, type, (int) wpabuf_len(req), (int) wpabuf_len(sel));
1251
1252         if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1253                 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1254 #ifdef CONFIG_AP
1255         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0)
1256         {
1257                 ret = wpas_ap_wps_nfc_report_handover(wpa_s, req, sel);
1258                 if (ret < 0)
1259                         ret = wpas_er_wps_nfc_report_handover(wpa_s, req, sel);
1260 #endif /* CONFIG_AP */
1261 #ifdef CONFIG_P2P
1262         } else if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "P2P") == 0)
1263         {
1264                 ret = wpas_p2p_nfc_report_handover(wpa_s, 1, req, sel, 0);
1265         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "P2P") == 0)
1266         {
1267                 ret = wpas_p2p_nfc_report_handover(wpa_s, 0, req, sel,
1268                                                    forced_freq);
1269 #endif /* CONFIG_P2P */
1270         } else {
1271                 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1272                            "reported: role=%s type=%s", role, type);
1273                 ret = -1;
1274         }
1275         wpabuf_free(req);
1276         wpabuf_free(sel);
1277
1278         if (ret)
1279                 wpa_printf(MSG_DEBUG, "NFC: Failed to process reported handover messages");
1280
1281         return ret;
1282 }
1283
1284 #endif /* CONFIG_WPS_NFC */
1285
1286
1287 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1288                                              char *cmd)
1289 {
1290         u8 bssid[ETH_ALEN];
1291         char *pin;
1292         char *new_ssid;
1293         char *new_auth;
1294         char *new_encr;
1295         char *new_key;
1296         struct wps_new_ap_settings ap;
1297
1298         pin = os_strchr(cmd, ' ');
1299         if (pin == NULL)
1300                 return -1;
1301         *pin++ = '\0';
1302
1303         if (hwaddr_aton(cmd, bssid)) {
1304                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1305                            cmd);
1306                 return -1;
1307         }
1308
1309         new_ssid = os_strchr(pin, ' ');
1310         if (new_ssid == NULL)
1311                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1312         *new_ssid++ = '\0';
1313
1314         new_auth = os_strchr(new_ssid, ' ');
1315         if (new_auth == NULL)
1316                 return -1;
1317         *new_auth++ = '\0';
1318
1319         new_encr = os_strchr(new_auth, ' ');
1320         if (new_encr == NULL)
1321                 return -1;
1322         *new_encr++ = '\0';
1323
1324         new_key = os_strchr(new_encr, ' ');
1325         if (new_key == NULL)
1326                 return -1;
1327         *new_key++ = '\0';
1328
1329         os_memset(&ap, 0, sizeof(ap));
1330         ap.ssid_hex = new_ssid;
1331         ap.auth = new_auth;
1332         ap.encr = new_encr;
1333         ap.key_hex = new_key;
1334         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1335 }
1336
1337
1338 #ifdef CONFIG_AP
1339 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1340                                                 char *cmd, char *buf,
1341                                                 size_t buflen)
1342 {
1343         int timeout = 300;
1344         char *pos;
1345         const char *pin_txt;
1346
1347         if (!wpa_s->ap_iface)
1348                 return -1;
1349
1350         pos = os_strchr(cmd, ' ');
1351         if (pos)
1352                 *pos++ = '\0';
1353
1354         if (os_strcmp(cmd, "disable") == 0) {
1355                 wpas_wps_ap_pin_disable(wpa_s);
1356                 return os_snprintf(buf, buflen, "OK\n");
1357         }
1358
1359         if (os_strcmp(cmd, "random") == 0) {
1360                 if (pos)
1361                         timeout = atoi(pos);
1362                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1363                 if (pin_txt == NULL)
1364                         return -1;
1365                 return os_snprintf(buf, buflen, "%s", pin_txt);
1366         }
1367
1368         if (os_strcmp(cmd, "get") == 0) {
1369                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1370                 if (pin_txt == NULL)
1371                         return -1;
1372                 return os_snprintf(buf, buflen, "%s", pin_txt);
1373         }
1374
1375         if (os_strcmp(cmd, "set") == 0) {
1376                 char *pin;
1377                 if (pos == NULL)
1378                         return -1;
1379                 pin = pos;
1380                 pos = os_strchr(pos, ' ');
1381                 if (pos) {
1382                         *pos++ = '\0';
1383                         timeout = atoi(pos);
1384                 }
1385                 if (os_strlen(pin) > buflen)
1386                         return -1;
1387                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1388                         return -1;
1389                 return os_snprintf(buf, buflen, "%s", pin);
1390         }
1391
1392         return -1;
1393 }
1394 #endif /* CONFIG_AP */
1395
1396
1397 #ifdef CONFIG_WPS_ER
1398 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1399                                                 char *cmd)
1400 {
1401         char *uuid = cmd, *pin, *pos;
1402         u8 addr_buf[ETH_ALEN], *addr = NULL;
1403         pin = os_strchr(uuid, ' ');
1404         if (pin == NULL)
1405                 return -1;
1406         *pin++ = '\0';
1407         pos = os_strchr(pin, ' ');
1408         if (pos) {
1409                 *pos++ = '\0';
1410                 if (hwaddr_aton(pos, addr_buf) == 0)
1411                         addr = addr_buf;
1412         }
1413         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1414 }
1415
1416
1417 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1418                                                   char *cmd)
1419 {
1420         char *uuid = cmd, *pin;
1421         pin = os_strchr(uuid, ' ');
1422         if (pin == NULL)
1423                 return -1;
1424         *pin++ = '\0';
1425         return wpas_wps_er_learn(wpa_s, uuid, pin);
1426 }
1427
1428
1429 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1430         struct wpa_supplicant *wpa_s, char *cmd)
1431 {
1432         char *uuid = cmd, *id;
1433         id = os_strchr(uuid, ' ');
1434         if (id == NULL)
1435                 return -1;
1436         *id++ = '\0';
1437         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1438 }
1439
1440
1441 static int wpa_supplicant_ctrl_iface_wps_er_config(
1442         struct wpa_supplicant *wpa_s, char *cmd)
1443 {
1444         char *pin;
1445         char *new_ssid;
1446         char *new_auth;
1447         char *new_encr;
1448         char *new_key;
1449         struct wps_new_ap_settings ap;
1450
1451         pin = os_strchr(cmd, ' ');
1452         if (pin == NULL)
1453                 return -1;
1454         *pin++ = '\0';
1455
1456         new_ssid = os_strchr(pin, ' ');
1457         if (new_ssid == NULL)
1458                 return -1;
1459         *new_ssid++ = '\0';
1460
1461         new_auth = os_strchr(new_ssid, ' ');
1462         if (new_auth == NULL)
1463                 return -1;
1464         *new_auth++ = '\0';
1465
1466         new_encr = os_strchr(new_auth, ' ');
1467         if (new_encr == NULL)
1468                 return -1;
1469         *new_encr++ = '\0';
1470
1471         new_key = os_strchr(new_encr, ' ');
1472         if (new_key == NULL)
1473                 return -1;
1474         *new_key++ = '\0';
1475
1476         os_memset(&ap, 0, sizeof(ap));
1477         ap.ssid_hex = new_ssid;
1478         ap.auth = new_auth;
1479         ap.encr = new_encr;
1480         ap.key_hex = new_key;
1481         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1482 }
1483
1484
1485 #ifdef CONFIG_WPS_NFC
1486 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1487         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1488 {
1489         int ndef;
1490         struct wpabuf *buf;
1491         int res;
1492         char *uuid;
1493
1494         uuid = os_strchr(cmd, ' ');
1495         if (uuid == NULL)
1496                 return -1;
1497         *uuid++ = '\0';
1498
1499         if (os_strcmp(cmd, "WPS") == 0)
1500                 ndef = 0;
1501         else if (os_strcmp(cmd, "NDEF") == 0)
1502                 ndef = 1;
1503         else
1504                 return -1;
1505
1506         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1507         if (buf == NULL)
1508                 return -1;
1509
1510         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1511                                          wpabuf_len(buf));
1512         reply[res++] = '\n';
1513         reply[res] = '\0';
1514
1515         wpabuf_free(buf);
1516
1517         return res;
1518 }
1519 #endif /* CONFIG_WPS_NFC */
1520 #endif /* CONFIG_WPS_ER */
1521
1522 #endif /* CONFIG_WPS */
1523
1524
1525 #ifdef CONFIG_IBSS_RSN
1526 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1527         struct wpa_supplicant *wpa_s, char *addr)
1528 {
1529         u8 peer[ETH_ALEN];
1530
1531         if (hwaddr_aton(addr, peer)) {
1532                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1533                            "address '%s'", addr);
1534                 return -1;
1535         }
1536
1537         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1538                    MAC2STR(peer));
1539
1540         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1541 }
1542 #endif /* CONFIG_IBSS_RSN */
1543
1544
1545 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1546                                               char *rsp)
1547 {
1548 #ifdef IEEE8021X_EAPOL
1549         char *pos, *id_pos;
1550         int id;
1551         struct wpa_ssid *ssid;
1552
1553         pos = os_strchr(rsp, '-');
1554         if (pos == NULL)
1555                 return -1;
1556         *pos++ = '\0';
1557         id_pos = pos;
1558         pos = os_strchr(pos, ':');
1559         if (pos == NULL)
1560                 return -1;
1561         *pos++ = '\0';
1562         id = atoi(id_pos);
1563         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1564         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1565                               (u8 *) pos, os_strlen(pos));
1566
1567         ssid = wpa_config_get_network(wpa_s->conf, id);
1568         if (ssid == NULL) {
1569                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1570                            "to update", id);
1571                 return -1;
1572         }
1573
1574         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1575                                                          pos);
1576 #else /* IEEE8021X_EAPOL */
1577         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1578         return -1;
1579 #endif /* IEEE8021X_EAPOL */
1580 }
1581
1582
1583 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1584                                             const char *params,
1585                                             char *buf, size_t buflen)
1586 {
1587         char *pos, *end, tmp[30];
1588         int res, verbose, wps, ret;
1589 #ifdef CONFIG_HS20
1590         const u8 *hs20;
1591 #endif /* CONFIG_HS20 */
1592
1593         if (os_strcmp(params, "-DRIVER") == 0)
1594                 return wpa_drv_status(wpa_s, buf, buflen);
1595         verbose = os_strcmp(params, "-VERBOSE") == 0;
1596         wps = os_strcmp(params, "-WPS") == 0;
1597         pos = buf;
1598         end = buf + buflen;
1599         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1600                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1601                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1602                                   MAC2STR(wpa_s->bssid));
1603                 if (os_snprintf_error(end - pos, ret))
1604                         return pos - buf;
1605                 pos += ret;
1606                 ret = os_snprintf(pos, end - pos, "freq=%u\n",
1607                                   wpa_s->assoc_freq);
1608                 if (os_snprintf_error(end - pos, ret))
1609                         return pos - buf;
1610                 pos += ret;
1611                 if (ssid) {
1612                         u8 *_ssid = ssid->ssid;
1613                         size_t ssid_len = ssid->ssid_len;
1614                         u8 ssid_buf[MAX_SSID_LEN];
1615                         if (ssid_len == 0) {
1616                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1617                                 if (_res < 0)
1618                                         ssid_len = 0;
1619                                 else
1620                                         ssid_len = _res;
1621                                 _ssid = ssid_buf;
1622                         }
1623                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1624                                           wpa_ssid_txt(_ssid, ssid_len),
1625                                           ssid->id);
1626                         if (os_snprintf_error(end - pos, ret))
1627                                 return pos - buf;
1628                         pos += ret;
1629
1630                         if (wps && ssid->passphrase &&
1631                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1632                             (ssid->mode == WPAS_MODE_AP ||
1633                              ssid->mode == WPAS_MODE_P2P_GO)) {
1634                                 ret = os_snprintf(pos, end - pos,
1635                                                   "passphrase=%s\n",
1636                                                   ssid->passphrase);
1637                                 if (os_snprintf_error(end - pos, ret))
1638                                         return pos - buf;
1639                                 pos += ret;
1640                         }
1641                         if (ssid->id_str) {
1642                                 ret = os_snprintf(pos, end - pos,
1643                                                   "id_str=%s\n",
1644                                                   ssid->id_str);
1645                                 if (os_snprintf_error(end - pos, ret))
1646                                         return pos - buf;
1647                                 pos += ret;
1648                         }
1649
1650                         switch (ssid->mode) {
1651                         case WPAS_MODE_INFRA:
1652                                 ret = os_snprintf(pos, end - pos,
1653                                                   "mode=station\n");
1654                                 break;
1655                         case WPAS_MODE_IBSS:
1656                                 ret = os_snprintf(pos, end - pos,
1657                                                   "mode=IBSS\n");
1658                                 break;
1659                         case WPAS_MODE_AP:
1660                                 ret = os_snprintf(pos, end - pos,
1661                                                   "mode=AP\n");
1662                                 break;
1663                         case WPAS_MODE_P2P_GO:
1664                                 ret = os_snprintf(pos, end - pos,
1665                                                   "mode=P2P GO\n");
1666                                 break;
1667                         case WPAS_MODE_P2P_GROUP_FORMATION:
1668                                 ret = os_snprintf(pos, end - pos,
1669                                                   "mode=P2P GO - group "
1670                                                   "formation\n");
1671                                 break;
1672                         default:
1673                                 ret = 0;
1674                                 break;
1675                         }
1676                         if (os_snprintf_error(end - pos, ret))
1677                                 return pos - buf;
1678                         pos += ret;
1679                 }
1680
1681 #ifdef CONFIG_AP
1682                 if (wpa_s->ap_iface) {
1683                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1684                                                             end - pos,
1685                                                             verbose);
1686                 } else
1687 #endif /* CONFIG_AP */
1688                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1689         }
1690 #ifdef CONFIG_SAE
1691         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1692 #ifdef CONFIG_AP
1693             !wpa_s->ap_iface &&
1694 #endif /* CONFIG_AP */
1695             wpa_s->sme.sae.state == SAE_ACCEPTED) {
1696                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1697                                   wpa_s->sme.sae.group);
1698                 if (os_snprintf_error(end - pos, ret))
1699                         return pos - buf;
1700                 pos += ret;
1701         }
1702 #endif /* CONFIG_SAE */
1703         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1704                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1705         if (os_snprintf_error(end - pos, ret))
1706                 return pos - buf;
1707         pos += ret;
1708
1709         if (wpa_s->l2 &&
1710             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1711                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1712                 if (os_snprintf_error(end - pos, ret))
1713                         return pos - buf;
1714                 pos += ret;
1715         }
1716
1717 #ifdef CONFIG_P2P
1718         if (wpa_s->global->p2p) {
1719                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1720                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1721                 if (os_snprintf_error(end - pos, ret))
1722                         return pos - buf;
1723                 pos += ret;
1724         }
1725 #endif /* CONFIG_P2P */
1726
1727         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1728                           MAC2STR(wpa_s->own_addr));
1729         if (os_snprintf_error(end - pos, ret))
1730                 return pos - buf;
1731         pos += ret;
1732
1733 #ifdef CONFIG_HS20
1734         if (wpa_s->current_bss &&
1735             (hs20 = wpa_bss_get_vendor_ie(wpa_s->current_bss,
1736                                           HS20_IE_VENDOR_TYPE)) &&
1737             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1738             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1739                 int release = 1;
1740                 if (hs20[1] >= 5) {
1741                         u8 rel_num = (hs20[6] & 0xf0) >> 4;
1742                         release = rel_num + 1;
1743                 }
1744                 ret = os_snprintf(pos, end - pos, "hs20=%d\n", release);
1745                 if (os_snprintf_error(end - pos, ret))
1746                         return pos - buf;
1747                 pos += ret;
1748         }
1749
1750         if (wpa_s->current_ssid) {
1751                 struct wpa_cred *cred;
1752                 char *type;
1753
1754                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1755                         size_t i;
1756
1757                         if (wpa_s->current_ssid->parent_cred != cred)
1758                                 continue;
1759
1760                         if (cred->provisioning_sp) {
1761                                 ret = os_snprintf(pos, end - pos,
1762                                                   "provisioning_sp=%s\n",
1763                                                   cred->provisioning_sp);
1764                                 if (os_snprintf_error(end - pos, ret))
1765                                         return pos - buf;
1766                                 pos += ret;
1767                         }
1768
1769                         if (!cred->domain)
1770                                 goto no_domain;
1771
1772                         i = 0;
1773                         if (wpa_s->current_bss && wpa_s->current_bss->anqp) {
1774                                 struct wpabuf *names =
1775                                         wpa_s->current_bss->anqp->domain_name;
1776                                 for (i = 0; names && i < cred->num_domain; i++)
1777                                 {
1778                                         if (domain_name_list_contains(
1779                                                     names, cred->domain[i], 1))
1780                                                 break;
1781                                 }
1782                                 if (i == cred->num_domain)
1783                                         i = 0; /* show first entry by default */
1784                         }
1785                         ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1786                                           cred->domain[i]);
1787                         if (os_snprintf_error(end - pos, ret))
1788                                 return pos - buf;
1789                         pos += ret;
1790
1791                 no_domain:
1792                         if (wpa_s->current_bss == NULL ||
1793                             wpa_s->current_bss->anqp == NULL)
1794                                 res = -1;
1795                         else
1796                                 res = interworking_home_sp_cred(
1797                                         wpa_s, cred,
1798                                         wpa_s->current_bss->anqp->domain_name);
1799                         if (res > 0)
1800                                 type = "home";
1801                         else if (res == 0)
1802                                 type = "roaming";
1803                         else
1804                                 type = "unknown";
1805
1806                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1807                         if (os_snprintf_error(end - pos, ret))
1808                                 return pos - buf;
1809                         pos += ret;
1810
1811                         break;
1812                 }
1813         }
1814 #endif /* CONFIG_HS20 */
1815
1816         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1817             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1818                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1819                                           verbose);
1820                 if (res >= 0)
1821                         pos += res;
1822         }
1823
1824         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1825         if (res >= 0)
1826                 pos += res;
1827
1828 #ifdef CONFIG_WPS
1829         {
1830                 char uuid_str[100];
1831                 uuid_bin2str(wpa_s->wps->uuid, uuid_str, sizeof(uuid_str));
1832                 ret = os_snprintf(pos, end - pos, "uuid=%s\n", uuid_str);
1833                 if (os_snprintf_error(end - pos, ret))
1834                         return pos - buf;
1835                 pos += ret;
1836         }
1837 #endif /* CONFIG_WPS */
1838
1839 #ifdef ANDROID
1840         /*
1841          * Allow using the STATUS command with default behavior, say for debug,
1842          * i.e., don't generate a "fake" CONNECTION and SUPPLICANT_STATE_CHANGE
1843          * events with STATUS-NO_EVENTS.
1844          */
1845         if (os_strcmp(params, "-NO_EVENTS")) {
1846                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
1847                              "id=%d state=%d BSSID=" MACSTR " SSID=%s",
1848                              wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
1849                              wpa_s->wpa_state,
1850                              MAC2STR(wpa_s->bssid),
1851                              wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
1852                              wpa_ssid_txt(wpa_s->current_ssid->ssid,
1853                                           wpa_s->current_ssid->ssid_len) : "");
1854                 if (wpa_s->wpa_state == WPA_COMPLETED) {
1855                         struct wpa_ssid *ssid = wpa_s->current_ssid;
1856                         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED
1857                                      "- connection to " MACSTR
1858                                      " completed %s [id=%d id_str=%s]",
1859                                      MAC2STR(wpa_s->bssid), "(auth)",
1860                                      ssid ? ssid->id : -1,
1861                                      ssid && ssid->id_str ? ssid->id_str : "");
1862                 }
1863         }
1864 #endif /* ANDROID */
1865
1866         return pos - buf;
1867 }
1868
1869
1870 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1871                                            char *cmd)
1872 {
1873         char *pos;
1874         int id;
1875         struct wpa_ssid *ssid;
1876         u8 bssid[ETH_ALEN];
1877
1878         /* cmd: "<network id> <BSSID>" */
1879         pos = os_strchr(cmd, ' ');
1880         if (pos == NULL)
1881                 return -1;
1882         *pos++ = '\0';
1883         id = atoi(cmd);
1884         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1885         if (hwaddr_aton(pos, bssid)) {
1886                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1887                 return -1;
1888         }
1889
1890         ssid = wpa_config_get_network(wpa_s->conf, id);
1891         if (ssid == NULL) {
1892                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1893                            "to update", id);
1894                 return -1;
1895         }
1896
1897         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1898         ssid->bssid_set = !is_zero_ether_addr(bssid);
1899
1900         return 0;
1901 }
1902
1903
1904 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1905                                                char *cmd, char *buf,
1906                                                size_t buflen)
1907 {
1908         u8 bssid[ETH_ALEN];
1909         struct wpa_blacklist *e;
1910         char *pos, *end;
1911         int ret;
1912
1913         /* cmd: "BLACKLIST [<BSSID>]" */
1914         if (*cmd == '\0') {
1915                 pos = buf;
1916                 end = buf + buflen;
1917                 e = wpa_s->blacklist;
1918                 while (e) {
1919                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
1920                                           MAC2STR(e->bssid));
1921                         if (os_snprintf_error(end - pos, ret))
1922                                 return pos - buf;
1923                         pos += ret;
1924                         e = e->next;
1925                 }
1926                 return pos - buf;
1927         }
1928
1929         cmd++;
1930         if (os_strncmp(cmd, "clear", 5) == 0) {
1931                 wpa_blacklist_clear(wpa_s);
1932                 os_memcpy(buf, "OK\n", 3);
1933                 return 3;
1934         }
1935
1936         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1937         if (hwaddr_aton(cmd, bssid)) {
1938                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1939                 return -1;
1940         }
1941
1942         /*
1943          * Add the BSSID twice, so its count will be 2, causing it to be
1944          * skipped when processing scan results.
1945          */
1946         ret = wpa_blacklist_add(wpa_s, bssid);
1947         if (ret < 0)
1948                 return -1;
1949         ret = wpa_blacklist_add(wpa_s, bssid);
1950         if (ret < 0)
1951                 return -1;
1952         os_memcpy(buf, "OK\n", 3);
1953         return 3;
1954 }
1955
1956
1957 static const char * debug_level_str(int level)
1958 {
1959         switch (level) {
1960         case MSG_EXCESSIVE:
1961                 return "EXCESSIVE";
1962         case MSG_MSGDUMP:
1963                 return "MSGDUMP";
1964         case MSG_DEBUG:
1965                 return "DEBUG";
1966         case MSG_INFO:
1967                 return "INFO";
1968         case MSG_WARNING:
1969                 return "WARNING";
1970         case MSG_ERROR:
1971                 return "ERROR";
1972         default:
1973                 return "?";
1974         }
1975 }
1976
1977
1978 static int str_to_debug_level(const char *s)
1979 {
1980         if (os_strcasecmp(s, "EXCESSIVE") == 0)
1981                 return MSG_EXCESSIVE;
1982         if (os_strcasecmp(s, "MSGDUMP") == 0)
1983                 return MSG_MSGDUMP;
1984         if (os_strcasecmp(s, "DEBUG") == 0)
1985                 return MSG_DEBUG;
1986         if (os_strcasecmp(s, "INFO") == 0)
1987                 return MSG_INFO;
1988         if (os_strcasecmp(s, "WARNING") == 0)
1989                 return MSG_WARNING;
1990         if (os_strcasecmp(s, "ERROR") == 0)
1991                 return MSG_ERROR;
1992         return -1;
1993 }
1994
1995
1996 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1997                                                char *cmd, char *buf,
1998                                                size_t buflen)
1999 {
2000         char *pos, *end, *stamp;
2001         int ret;
2002
2003         /* cmd: "LOG_LEVEL [<level>]" */
2004         if (*cmd == '\0') {
2005                 pos = buf;
2006                 end = buf + buflen;
2007                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
2008                                   "Timestamp: %d\n",
2009                                   debug_level_str(wpa_debug_level),
2010                                   wpa_debug_timestamp);
2011                 if (os_snprintf_error(end - pos, ret))
2012                         ret = 0;
2013
2014                 return ret;
2015         }
2016
2017         while (*cmd == ' ')
2018                 cmd++;
2019
2020         stamp = os_strchr(cmd, ' ');
2021         if (stamp) {
2022                 *stamp++ = '\0';
2023                 while (*stamp == ' ') {
2024                         stamp++;
2025                 }
2026         }
2027
2028         if (cmd && os_strlen(cmd)) {
2029                 int level = str_to_debug_level(cmd);
2030                 if (level < 0)
2031                         return -1;
2032                 wpa_debug_level = level;
2033         }
2034
2035         if (stamp && os_strlen(stamp))
2036                 wpa_debug_timestamp = atoi(stamp);
2037
2038         os_memcpy(buf, "OK\n", 3);
2039         return 3;
2040 }
2041
2042
2043 static int wpa_supplicant_ctrl_iface_list_networks(
2044         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2045 {
2046         char *pos, *end, *prev;
2047         struct wpa_ssid *ssid;
2048         int ret;
2049
2050         pos = buf;
2051         end = buf + buflen;
2052         ret = os_snprintf(pos, end - pos,
2053                           "network id / ssid / bssid / flags\n");
2054         if (os_snprintf_error(end - pos, ret))
2055                 return pos - buf;
2056         pos += ret;
2057
2058         ssid = wpa_s->conf->ssid;
2059
2060         /* skip over ssids until we find next one */
2061         if (cmd != NULL && os_strncmp(cmd, "LAST_ID=", 8) == 0) {
2062                 int last_id = atoi(cmd + 8);
2063                 if (last_id != -1) {
2064                         while (ssid != NULL && ssid->id <= last_id) {
2065                                 ssid = ssid->next;
2066                         }
2067                 }
2068         }
2069
2070         while (ssid) {
2071                 prev = pos;
2072                 ret = os_snprintf(pos, end - pos, "%d\t%s",
2073                                   ssid->id,
2074                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
2075                 if (os_snprintf_error(end - pos, ret))
2076                         return prev - buf;
2077                 pos += ret;
2078                 if (ssid->bssid_set) {
2079                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
2080                                           MAC2STR(ssid->bssid));
2081                 } else {
2082                         ret = os_snprintf(pos, end - pos, "\tany");
2083                 }
2084                 if (os_snprintf_error(end - pos, ret))
2085                         return prev - buf;
2086                 pos += ret;
2087                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
2088                                   ssid == wpa_s->current_ssid ?
2089                                   "[CURRENT]" : "",
2090                                   ssid->disabled ? "[DISABLED]" : "",
2091                                   ssid->disabled_until.sec ?
2092                                   "[TEMP-DISABLED]" : "",
2093                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
2094                                   "");
2095                 if (os_snprintf_error(end - pos, ret))
2096                         return prev - buf;
2097                 pos += ret;
2098                 ret = os_snprintf(pos, end - pos, "\n");
2099                 if (os_snprintf_error(end - pos, ret))
2100                         return prev - buf;
2101                 pos += ret;
2102
2103                 ssid = ssid->next;
2104         }
2105
2106         return pos - buf;
2107 }
2108
2109
2110 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
2111 {
2112         int ret;
2113         ret = os_snprintf(pos, end - pos, "-");
2114         if (os_snprintf_error(end - pos, ret))
2115                 return pos;
2116         pos += ret;
2117         ret = wpa_write_ciphers(pos, end, cipher, "+");
2118         if (ret < 0)
2119                 return pos;
2120         pos += ret;
2121         return pos;
2122 }
2123
2124
2125 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
2126                                     const u8 *ie, size_t ie_len)
2127 {
2128         struct wpa_ie_data data;
2129         char *start;
2130         int ret;
2131
2132         ret = os_snprintf(pos, end - pos, "[%s-", proto);
2133         if (os_snprintf_error(end - pos, ret))
2134                 return pos;
2135         pos += ret;
2136
2137         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
2138                 ret = os_snprintf(pos, end - pos, "?]");
2139                 if (os_snprintf_error(end - pos, ret))
2140                         return pos;
2141                 pos += ret;
2142                 return pos;
2143         }
2144
2145         start = pos;
2146         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
2147                 ret = os_snprintf(pos, end - pos, "%sEAP",
2148                                   pos == start ? "" : "+");
2149                 if (os_snprintf_error(end - pos, ret))
2150                         return pos;
2151                 pos += ret;
2152         }
2153         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
2154                 ret = os_snprintf(pos, end - pos, "%sPSK",
2155                                   pos == start ? "" : "+");
2156                 if (os_snprintf_error(end - pos, ret))
2157                         return pos;
2158                 pos += ret;
2159         }
2160         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
2161                 ret = os_snprintf(pos, end - pos, "%sNone",
2162                                   pos == start ? "" : "+");
2163                 if (os_snprintf_error(end - pos, ret))
2164                         return pos;
2165                 pos += ret;
2166         }
2167         if (data.key_mgmt & WPA_KEY_MGMT_SAE) {
2168                 ret = os_snprintf(pos, end - pos, "%sSAE",
2169                                   pos == start ? "" : "+");
2170                 if (os_snprintf_error(end - pos, ret))
2171                         return pos;
2172                 pos += ret;
2173         }
2174 #ifdef CONFIG_IEEE80211R
2175         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
2176                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
2177                                   pos == start ? "" : "+");
2178                 if (os_snprintf_error(end - pos, ret))
2179                         return pos;
2180                 pos += ret;
2181         }
2182         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
2183                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
2184                                   pos == start ? "" : "+");
2185                 if (os_snprintf_error(end - pos, ret))
2186                         return pos;
2187                 pos += ret;
2188         }
2189         if (data.key_mgmt & WPA_KEY_MGMT_FT_SAE) {
2190                 ret = os_snprintf(pos, end - pos, "%sFT/SAE",
2191                                   pos == start ? "" : "+");
2192                 if (os_snprintf_error(end - pos, ret))
2193                         return pos;
2194                 pos += ret;
2195         }
2196 #endif /* CONFIG_IEEE80211R */
2197 #ifdef CONFIG_IEEE80211W
2198         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
2199                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
2200                                   pos == start ? "" : "+");
2201                 if (os_snprintf_error(end - pos, ret))
2202                         return pos;
2203                 pos += ret;
2204         }
2205         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
2206                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
2207                                   pos == start ? "" : "+");
2208                 if (os_snprintf_error(end - pos, ret))
2209                         return pos;
2210                 pos += ret;
2211         }
2212 #endif /* CONFIG_IEEE80211W */
2213
2214         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
2215                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B",
2216                                   pos == start ? "" : "+");
2217                 if (os_snprintf_error(end - pos, ret))
2218                         return pos;
2219                 pos += ret;
2220         }
2221
2222         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
2223
2224         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
2225                 ret = os_snprintf(pos, end - pos, "-preauth");
2226                 if (os_snprintf_error(end - pos, ret))
2227                         return pos;
2228                 pos += ret;
2229         }
2230
2231         ret = os_snprintf(pos, end - pos, "]");
2232         if (os_snprintf_error(end - pos, ret))
2233                 return pos;
2234         pos += ret;
2235
2236         return pos;
2237 }
2238
2239
2240 #ifdef CONFIG_WPS
2241 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
2242                                             char *pos, char *end,
2243                                             struct wpabuf *wps_ie)
2244 {
2245         int ret;
2246         const char *txt;
2247
2248         if (wps_ie == NULL)
2249                 return pos;
2250         if (wps_is_selected_pbc_registrar(wps_ie))
2251                 txt = "[WPS-PBC]";
2252         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
2253                 txt = "[WPS-AUTH]";
2254         else if (wps_is_selected_pin_registrar(wps_ie))
2255                 txt = "[WPS-PIN]";
2256         else
2257                 txt = "[WPS]";
2258
2259         ret = os_snprintf(pos, end - pos, "%s", txt);
2260         if (!os_snprintf_error(end - pos, ret))
2261                 pos += ret;
2262         wpabuf_free(wps_ie);
2263         return pos;
2264 }
2265 #endif /* CONFIG_WPS */
2266
2267
2268 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2269                                         char *pos, char *end,
2270                                         const struct wpa_bss *bss)
2271 {
2272 #ifdef CONFIG_WPS
2273         struct wpabuf *wps_ie;
2274         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2275         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2276 #else /* CONFIG_WPS */
2277         return pos;
2278 #endif /* CONFIG_WPS */
2279 }
2280
2281
2282 /* Format one result on one text line into a buffer. */
2283 static int wpa_supplicant_ctrl_iface_scan_result(
2284         struct wpa_supplicant *wpa_s,
2285         const struct wpa_bss *bss, char *buf, size_t buflen)
2286 {
2287         char *pos, *end;
2288         int ret;
2289         const u8 *ie, *ie2, *p2p, *mesh;
2290
2291         mesh = wpa_bss_get_ie(bss, WLAN_EID_MESH_ID);
2292         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2293         if (!p2p)
2294                 p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2295         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2296             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2297             0)
2298                 return 0; /* Do not show P2P listen discovery results here */
2299
2300         pos = buf;
2301         end = buf + buflen;
2302
2303         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2304                           MAC2STR(bss->bssid), bss->freq, bss->level);
2305         if (os_snprintf_error(end - pos, ret))
2306                 return -1;
2307         pos += ret;
2308         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2309         if (ie)
2310                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2311         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2312         if (ie2) {
2313                 pos = wpa_supplicant_ie_txt(pos, end, mesh ? "RSN" : "WPA2",
2314                                             ie2, 2 + ie2[1]);
2315         }
2316         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2317         if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2318                 ret = os_snprintf(pos, end - pos, "[WEP]");
2319                 if (os_snprintf_error(end - pos, ret))
2320                         return -1;
2321                 pos += ret;
2322         }
2323         if (mesh) {
2324                 ret = os_snprintf(pos, end - pos, "[MESH]");
2325                 if (os_snprintf_error(end - pos, ret))
2326                         return -1;
2327                 pos += ret;
2328         }
2329         if (bss_is_dmg(bss)) {
2330                 const char *s;
2331                 ret = os_snprintf(pos, end - pos, "[DMG]");
2332                 if (os_snprintf_error(end - pos, ret))
2333                         return -1;
2334                 pos += ret;
2335                 switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
2336                 case IEEE80211_CAP_DMG_IBSS:
2337                         s = "[IBSS]";
2338                         break;
2339                 case IEEE80211_CAP_DMG_AP:
2340                         s = "[ESS]";
2341                         break;
2342                 case IEEE80211_CAP_DMG_PBSS:
2343                         s = "[PBSS]";
2344                         break;
2345                 default:
2346                         s = "";
2347                         break;
2348                 }
2349                 ret = os_snprintf(pos, end - pos, "%s", s);
2350                 if (os_snprintf_error(end - pos, ret))
2351                         return -1;
2352                 pos += ret;
2353         } else {
2354                 if (bss->caps & IEEE80211_CAP_IBSS) {
2355                         ret = os_snprintf(pos, end - pos, "[IBSS]");
2356                         if (os_snprintf_error(end - pos, ret))
2357                                 return -1;
2358                         pos += ret;
2359                 }
2360                 if (bss->caps & IEEE80211_CAP_ESS) {
2361                         ret = os_snprintf(pos, end - pos, "[ESS]");
2362                         if (os_snprintf_error(end - pos, ret))
2363                                 return -1;
2364                         pos += ret;
2365                 }
2366         }
2367         if (p2p) {
2368                 ret = os_snprintf(pos, end - pos, "[P2P]");
2369                 if (os_snprintf_error(end - pos, ret))
2370                         return -1;
2371                 pos += ret;
2372         }
2373 #ifdef CONFIG_HS20
2374         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2375                 ret = os_snprintf(pos, end - pos, "[HS20]");
2376                 if (os_snprintf_error(end - pos, ret))
2377                         return -1;
2378                 pos += ret;
2379         }
2380 #endif /* CONFIG_HS20 */
2381
2382         ret = os_snprintf(pos, end - pos, "\t%s",
2383                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2384         if (os_snprintf_error(end - pos, ret))
2385                 return -1;
2386         pos += ret;
2387
2388         ret = os_snprintf(pos, end - pos, "\n");
2389         if (os_snprintf_error(end - pos, ret))
2390                 return -1;
2391         pos += ret;
2392
2393         return pos - buf;
2394 }
2395
2396
2397 static int wpa_supplicant_ctrl_iface_scan_results(
2398         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2399 {
2400         char *pos, *end;
2401         struct wpa_bss *bss;
2402         int ret;
2403
2404         pos = buf;
2405         end = buf + buflen;
2406         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2407                           "flags / ssid\n");
2408         if (os_snprintf_error(end - pos, ret))
2409                 return pos - buf;
2410         pos += ret;
2411
2412         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2413                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2414                                                             end - pos);
2415                 if (ret < 0 || ret >= end - pos)
2416                         return pos - buf;
2417                 pos += ret;
2418         }
2419
2420         return pos - buf;
2421 }
2422
2423
2424 #ifdef CONFIG_MESH
2425
2426 static int wpa_supplicant_ctrl_iface_mesh_group_add(
2427         struct wpa_supplicant *wpa_s, char *cmd)
2428 {
2429         int id;
2430         struct wpa_ssid *ssid;
2431
2432         id = atoi(cmd);
2433         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_ADD id=%d", id);
2434
2435         ssid = wpa_config_get_network(wpa_s->conf, id);
2436         if (ssid == NULL) {
2437                 wpa_printf(MSG_DEBUG,
2438                            "CTRL_IFACE: Could not find network id=%d", id);
2439                 return -1;
2440         }
2441         if (ssid->mode != WPAS_MODE_MESH) {
2442                 wpa_printf(MSG_DEBUG,
2443                            "CTRL_IFACE: Cannot use MESH_GROUP_ADD on a non mesh network");
2444                 return -1;
2445         }
2446         if (ssid->key_mgmt != WPA_KEY_MGMT_NONE &&
2447             ssid->key_mgmt != WPA_KEY_MGMT_SAE) {
2448                 wpa_printf(MSG_ERROR,
2449                            "CTRL_IFACE: key_mgmt for mesh network should be open or SAE");
2450                 return -1;
2451         }
2452
2453         /*
2454          * TODO: If necessary write our own group_add function,
2455          * for now we can reuse select_network
2456          */
2457         wpa_supplicant_select_network(wpa_s, ssid);
2458
2459         return 0;
2460 }
2461
2462
2463 static int wpa_supplicant_ctrl_iface_mesh_group_remove(
2464         struct wpa_supplicant *wpa_s, char *cmd)
2465 {
2466         /*
2467          * TODO: Support a multiple mesh and other iface type combinations
2468          */
2469         if (os_strcmp(cmd, wpa_s->ifname) != 0) {
2470                 wpa_printf(MSG_DEBUG,
2471                            "CTRL_IFACE: MESH_GROUP_REMOVE unknown interface name: %s",
2472                            cmd);
2473                 return -1;
2474         }
2475
2476         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s", cmd);
2477
2478         wpa_s->reassociate = 0;
2479         wpa_s->disconnected = 1;
2480         wpa_supplicant_cancel_sched_scan(wpa_s);
2481         wpa_supplicant_cancel_scan(wpa_s);
2482
2483         /*
2484          * TODO: If necessary write our own group_remove function,
2485          * for now we can reuse deauthenticate
2486          */
2487         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2488
2489         return 0;
2490 }
2491
2492 #endif /* CONFIG_MESH */
2493
2494
2495 static int wpa_supplicant_ctrl_iface_select_network(
2496         struct wpa_supplicant *wpa_s, char *cmd)
2497 {
2498         int id;
2499         struct wpa_ssid *ssid;
2500         char *pos;
2501
2502         /* cmd: "<network id>" or "any" */
2503         if (os_strncmp(cmd, "any", 3) == 0) {
2504                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2505                 ssid = NULL;
2506         } else {
2507                 id = atoi(cmd);
2508                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2509
2510                 ssid = wpa_config_get_network(wpa_s->conf, id);
2511                 if (ssid == NULL) {
2512                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2513                                    "network id=%d", id);
2514                         return -1;
2515                 }
2516                 if (ssid->disabled == 2) {
2517                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2518                                    "SELECT_NETWORK with persistent P2P group");
2519                         return -1;
2520                 }
2521         }
2522
2523         pos = os_strstr(cmd, " freq=");
2524         if (pos) {
2525                 int *freqs = freq_range_to_channel_list(wpa_s, pos + 6);
2526                 if (freqs) {
2527                         wpa_s->scan_req = MANUAL_SCAN_REQ;
2528                         os_free(wpa_s->manual_scan_freqs);
2529                         wpa_s->manual_scan_freqs = freqs;
2530                 }
2531         }
2532
2533         wpa_supplicant_select_network(wpa_s, ssid);
2534
2535         return 0;
2536 }
2537
2538
2539 static int wpa_supplicant_ctrl_iface_enable_network(
2540         struct wpa_supplicant *wpa_s, char *cmd)
2541 {
2542         int id;
2543         struct wpa_ssid *ssid;
2544
2545         /* cmd: "<network id>" or "all" */
2546         if (os_strcmp(cmd, "all") == 0) {
2547                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2548                 ssid = NULL;
2549         } else {
2550                 id = atoi(cmd);
2551                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2552
2553                 ssid = wpa_config_get_network(wpa_s->conf, id);
2554                 if (ssid == NULL) {
2555                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2556                                    "network id=%d", id);
2557                         return -1;
2558                 }
2559                 if (ssid->disabled == 2) {
2560                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2561                                    "ENABLE_NETWORK with persistent P2P group");
2562                         return -1;
2563                 }
2564
2565                 if (os_strstr(cmd, " no-connect")) {
2566                         ssid->disabled = 0;
2567                         return 0;
2568                 }
2569         }
2570         wpa_supplicant_enable_network(wpa_s, ssid);
2571
2572         return 0;
2573 }
2574
2575
2576 static int wpa_supplicant_ctrl_iface_disable_network(
2577         struct wpa_supplicant *wpa_s, char *cmd)
2578 {
2579         int id;
2580         struct wpa_ssid *ssid;
2581
2582         /* cmd: "<network id>" or "all" */
2583         if (os_strcmp(cmd, "all") == 0) {
2584                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2585                 ssid = NULL;
2586         } else {
2587                 id = atoi(cmd);
2588                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2589
2590                 ssid = wpa_config_get_network(wpa_s->conf, id);
2591                 if (ssid == NULL) {
2592                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2593                                    "network id=%d", id);
2594                         return -1;
2595                 }
2596                 if (ssid->disabled == 2) {
2597                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2598                                    "DISABLE_NETWORK with persistent P2P "
2599                                    "group");
2600                         return -1;
2601                 }
2602         }
2603         wpa_supplicant_disable_network(wpa_s, ssid);
2604
2605         return 0;
2606 }
2607
2608
2609 static int wpa_supplicant_ctrl_iface_add_network(
2610         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2611 {
2612         struct wpa_ssid *ssid;
2613         int ret;
2614
2615         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2616
2617         ssid = wpa_config_add_network(wpa_s->conf);
2618         if (ssid == NULL)
2619                 return -1;
2620
2621         wpas_notify_network_added(wpa_s, ssid);
2622
2623         ssid->disabled = 1;
2624         wpa_config_set_network_defaults(ssid);
2625
2626         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2627         if (os_snprintf_error(buflen, ret))
2628                 return -1;
2629         return ret;
2630 }
2631
2632
2633 static int wpa_supplicant_ctrl_iface_remove_network(
2634         struct wpa_supplicant *wpa_s, char *cmd)
2635 {
2636         int id;
2637         struct wpa_ssid *ssid;
2638         int was_disabled;
2639
2640         /* cmd: "<network id>" or "all" */
2641         if (os_strcmp(cmd, "all") == 0) {
2642                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2643                 if (wpa_s->sched_scanning)
2644                         wpa_supplicant_cancel_sched_scan(wpa_s);
2645
2646                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2647                 if (wpa_s->current_ssid) {
2648 #ifdef CONFIG_SME
2649                         wpa_s->sme.prev_bssid_set = 0;
2650 #endif /* CONFIG_SME */
2651                         wpa_sm_set_config(wpa_s->wpa, NULL);
2652                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2653                         wpa_supplicant_deauthenticate(
2654                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2655                 }
2656                 ssid = wpa_s->conf->ssid;
2657                 while (ssid) {
2658                         struct wpa_ssid *remove_ssid = ssid;
2659                         id = ssid->id;
2660                         ssid = ssid->next;
2661                         if (wpa_s->last_ssid == remove_ssid)
2662                                 wpa_s->last_ssid = NULL;
2663                         wpas_notify_network_removed(wpa_s, remove_ssid);
2664                         wpa_config_remove_network(wpa_s->conf, id);
2665                 }
2666                 return 0;
2667         }
2668
2669         id = atoi(cmd);
2670         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2671
2672         ssid = wpa_config_get_network(wpa_s->conf, id);
2673         if (ssid)
2674                 wpas_notify_network_removed(wpa_s, ssid);
2675         if (ssid == NULL) {
2676                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2677                            "id=%d", id);
2678                 return -1;
2679         }
2680
2681         if (wpa_s->last_ssid == ssid)
2682                 wpa_s->last_ssid = NULL;
2683
2684         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2685 #ifdef CONFIG_SME
2686                 wpa_s->sme.prev_bssid_set = 0;
2687 #endif /* CONFIG_SME */
2688                 /*
2689                  * Invalidate the EAP session cache if the current or
2690                  * previously used network is removed.
2691                  */
2692                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2693         }
2694
2695         if (ssid == wpa_s->current_ssid) {
2696                 wpa_sm_set_config(wpa_s->wpa, NULL);
2697                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2698
2699                 wpa_supplicant_deauthenticate(wpa_s,
2700                                               WLAN_REASON_DEAUTH_LEAVING);
2701         }
2702
2703         was_disabled = ssid->disabled;
2704
2705         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2706                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2707                            "network id=%d", id);
2708                 return -1;
2709         }
2710
2711         if (!was_disabled && wpa_s->sched_scanning) {
2712                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2713                            "network from filters");
2714                 wpa_supplicant_cancel_sched_scan(wpa_s);
2715                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2716         }
2717
2718         return 0;
2719 }
2720
2721
2722 static int wpa_supplicant_ctrl_iface_update_network(
2723         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
2724         char *name, char *value)
2725 {
2726         if (wpa_config_set(ssid, name, value, 0) < 0) {
2727                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2728                            "variable '%s'", name);
2729                 return -1;
2730         }
2731
2732         if (os_strcmp(name, "bssid") != 0 &&
2733             os_strcmp(name, "priority") != 0)
2734                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2735
2736         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2737                 /*
2738                  * Invalidate the EAP session cache if anything in the current
2739                  * or previously used configuration changes.
2740                  */
2741                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2742         }
2743
2744         if ((os_strcmp(name, "psk") == 0 &&
2745              value[0] == '"' && ssid->ssid_len) ||
2746             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2747                 wpa_config_update_psk(ssid);
2748         else if (os_strcmp(name, "priority") == 0)
2749                 wpa_config_update_prio_list(wpa_s->conf);
2750         else if (os_strcmp(name, "no_auto_peer") == 0)
2751                 ssid->no_auto_peer = atoi(value);
2752
2753         return 0;
2754 }
2755
2756
2757 static int wpa_supplicant_ctrl_iface_set_network(
2758         struct wpa_supplicant *wpa_s, char *cmd)
2759 {
2760         int id, ret, prev_bssid_set;
2761         struct wpa_ssid *ssid;
2762         char *name, *value;
2763         u8 prev_bssid[ETH_ALEN];
2764
2765         /* cmd: "<network id> <variable name> <value>" */
2766         name = os_strchr(cmd, ' ');
2767         if (name == NULL)
2768                 return -1;
2769         *name++ = '\0';
2770
2771         value = os_strchr(name, ' ');
2772         if (value == NULL)
2773                 return -1;
2774         *value++ = '\0';
2775
2776         id = atoi(cmd);
2777         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2778                    id, name);
2779         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2780                               (u8 *) value, os_strlen(value));
2781
2782         ssid = wpa_config_get_network(wpa_s->conf, id);
2783         if (ssid == NULL) {
2784                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2785                            "id=%d", id);
2786                 return -1;
2787         }
2788
2789         prev_bssid_set = ssid->bssid_set;
2790         os_memcpy(prev_bssid, ssid->bssid, ETH_ALEN);
2791         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid, name,
2792                                                        value);
2793         if (ret == 0 &&
2794             (ssid->bssid_set != prev_bssid_set ||
2795              os_memcmp(ssid->bssid, prev_bssid, ETH_ALEN) != 0))
2796                 wpas_notify_network_bssid_set_changed(wpa_s, ssid);
2797         return ret;
2798 }
2799
2800
2801 static int wpa_supplicant_ctrl_iface_get_network(
2802         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2803 {
2804         int id;
2805         size_t res;
2806         struct wpa_ssid *ssid;
2807         char *name, *value;
2808
2809         /* cmd: "<network id> <variable name>" */
2810         name = os_strchr(cmd, ' ');
2811         if (name == NULL || buflen == 0)
2812                 return -1;
2813         *name++ = '\0';
2814
2815         id = atoi(cmd);
2816         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2817                    id, name);
2818
2819         ssid = wpa_config_get_network(wpa_s->conf, id);
2820         if (ssid == NULL) {
2821                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2822                            "id=%d", id);
2823                 return -1;
2824         }
2825
2826         value = wpa_config_get_no_key(ssid, name);
2827         if (value == NULL) {
2828                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2829                            "variable '%s'", name);
2830                 return -1;
2831         }
2832
2833         res = os_strlcpy(buf, value, buflen);
2834         if (res >= buflen) {
2835                 os_free(value);
2836                 return -1;
2837         }
2838
2839         os_free(value);
2840
2841         return res;
2842 }
2843
2844
2845 static int wpa_supplicant_ctrl_iface_dup_network(
2846         struct wpa_supplicant *wpa_s, char *cmd)
2847 {
2848         struct wpa_ssid *ssid_s, *ssid_d;
2849         char *name, *id, *value;
2850         int id_s, id_d, ret;
2851
2852         /* cmd: "<src network id> <dst network id> <variable name>" */
2853         id = os_strchr(cmd, ' ');
2854         if (id == NULL)
2855                 return -1;
2856         *id++ = '\0';
2857
2858         name = os_strchr(id, ' ');
2859         if (name == NULL)
2860                 return -1;
2861         *name++ = '\0';
2862
2863         id_s = atoi(cmd);
2864         id_d = atoi(id);
2865         wpa_printf(MSG_DEBUG, "CTRL_IFACE: DUP_NETWORK id=%d -> %d name='%s'",
2866                    id_s, id_d, name);
2867
2868         ssid_s = wpa_config_get_network(wpa_s->conf, id_s);
2869         if (ssid_s == NULL) {
2870                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2871                            "network id=%d", id_s);
2872                 return -1;
2873         }
2874
2875         ssid_d = wpa_config_get_network(wpa_s->conf, id_d);
2876         if (ssid_d == NULL) {
2877                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2878                            "network id=%d", id_d);
2879                 return -1;
2880         }
2881
2882         value = wpa_config_get(ssid_s, name);
2883         if (value == NULL) {
2884                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2885                            "variable '%s'", name);
2886                 return -1;
2887         }
2888
2889         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid_d, name,
2890                                                        value);
2891
2892         os_free(value);
2893
2894         return ret;
2895 }
2896
2897
2898 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2899                                                 char *buf, size_t buflen)
2900 {
2901         char *pos, *end;
2902         struct wpa_cred *cred;
2903         int ret;
2904
2905         pos = buf;
2906         end = buf + buflen;
2907         ret = os_snprintf(pos, end - pos,
2908                           "cred id / realm / username / domain / imsi\n");
2909         if (os_snprintf_error(end - pos, ret))
2910                 return pos - buf;
2911         pos += ret;
2912
2913         cred = wpa_s->conf->cred;
2914         while (cred) {
2915                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2916                                   cred->id, cred->realm ? cred->realm : "",
2917                                   cred->username ? cred->username : "",
2918                                   cred->domain ? cred->domain[0] : "",
2919                                   cred->imsi ? cred->imsi : "");
2920                 if (os_snprintf_error(end - pos, ret))
2921                         return pos - buf;
2922                 pos += ret;
2923
2924                 cred = cred->next;
2925         }
2926
2927         return pos - buf;
2928 }
2929
2930
2931 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2932                                               char *buf, size_t buflen)
2933 {
2934         struct wpa_cred *cred;
2935         int ret;
2936
2937         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2938
2939         cred = wpa_config_add_cred(wpa_s->conf);
2940         if (cred == NULL)
2941                 return -1;
2942
2943         wpa_msg(wpa_s, MSG_INFO, CRED_ADDED "%d", cred->id);
2944
2945         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2946         if (os_snprintf_error(buflen, ret))
2947                 return -1;
2948         return ret;
2949 }
2950
2951
2952 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2953                                  struct wpa_cred *cred)
2954 {
2955         struct wpa_ssid *ssid;
2956         char str[20];
2957         int id;
2958
2959         if (cred == NULL) {
2960                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2961                 return -1;
2962         }
2963
2964         id = cred->id;
2965         if (wpa_config_remove_cred(wpa_s->conf, id) < 0) {
2966                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2967                 return -1;
2968         }
2969
2970         wpa_msg(wpa_s, MSG_INFO, CRED_REMOVED "%d", id);
2971
2972         /* Remove any network entry created based on the removed credential */
2973         ssid = wpa_s->conf->ssid;
2974         while (ssid) {
2975                 if (ssid->parent_cred == cred) {
2976                         int res;
2977
2978                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2979                                    "used the removed credential", ssid->id);
2980                         res = os_snprintf(str, sizeof(str), "%d", ssid->id);
2981                         if (os_snprintf_error(sizeof(str), res))
2982                                 str[sizeof(str) - 1] = '\0';
2983                         ssid = ssid->next;
2984                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2985                 } else
2986                         ssid = ssid->next;
2987         }
2988
2989         return 0;
2990 }
2991
2992
2993 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2994                                                  char *cmd)
2995 {
2996         int id;
2997         struct wpa_cred *cred, *prev;
2998
2999         /* cmd: "<cred id>", "all", "sp_fqdn=<FQDN>", or
3000          * "provisioning_sp=<FQDN> */
3001         if (os_strcmp(cmd, "all") == 0) {
3002                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
3003                 cred = wpa_s->conf->cred;
3004                 while (cred) {
3005                         prev = cred;
3006                         cred = cred->next;
3007                         wpas_ctrl_remove_cred(wpa_s, prev);
3008                 }
3009                 return 0;
3010         }
3011
3012         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
3013                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
3014                            cmd + 8);
3015                 cred = wpa_s->conf->cred;
3016                 while (cred) {
3017                         prev = cred;
3018                         cred = cred->next;
3019                         if (prev->domain) {
3020                                 size_t i;
3021                                 for (i = 0; i < prev->num_domain; i++) {
3022                                         if (os_strcmp(prev->domain[i], cmd + 8)
3023                                             != 0)
3024                                                 continue;
3025                                         wpas_ctrl_remove_cred(wpa_s, prev);
3026                                         break;
3027                                 }
3028                         }
3029                 }
3030                 return 0;
3031         }
3032
3033         if (os_strncmp(cmd, "provisioning_sp=", 16) == 0) {
3034                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED provisioning SP FQDN '%s'",
3035                            cmd + 16);
3036                 cred = wpa_s->conf->cred;
3037                 while (cred) {
3038                         prev = cred;
3039                         cred = cred->next;
3040                         if (prev->provisioning_sp &&
3041                             os_strcmp(prev->provisioning_sp, cmd + 16) == 0)
3042                                 wpas_ctrl_remove_cred(wpa_s, prev);
3043                 }
3044                 return 0;
3045         }
3046
3047         id = atoi(cmd);
3048         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
3049
3050         cred = wpa_config_get_cred(wpa_s->conf, id);
3051         return wpas_ctrl_remove_cred(wpa_s, cred);
3052 }
3053
3054
3055 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
3056                                               char *cmd)
3057 {
3058         int id;
3059         struct wpa_cred *cred;
3060         char *name, *value;
3061
3062         /* cmd: "<cred id> <variable name> <value>" */
3063         name = os_strchr(cmd, ' ');
3064         if (name == NULL)
3065                 return -1;
3066         *name++ = '\0';
3067
3068         value = os_strchr(name, ' ');
3069         if (value == NULL)
3070                 return -1;
3071         *value++ = '\0';
3072
3073         id = atoi(cmd);
3074         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
3075                    id, name);
3076         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3077                               (u8 *) value, os_strlen(value));
3078
3079         cred = wpa_config_get_cred(wpa_s->conf, id);
3080         if (cred == NULL) {
3081                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3082                            id);
3083                 return -1;
3084         }
3085
3086         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
3087                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
3088                            "variable '%s'", name);
3089                 return -1;
3090         }
3091
3092         wpa_msg(wpa_s, MSG_INFO, CRED_MODIFIED "%d %s", cred->id, name);
3093
3094         return 0;
3095 }
3096
3097
3098 static int wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant *wpa_s,
3099                                               char *cmd, char *buf,
3100                                               size_t buflen)
3101 {
3102         int id;
3103         size_t res;
3104         struct wpa_cred *cred;
3105         char *name, *value;
3106
3107         /* cmd: "<cred id> <variable name>" */
3108         name = os_strchr(cmd, ' ');
3109         if (name == NULL)
3110                 return -1;
3111         *name++ = '\0';
3112
3113         id = atoi(cmd);
3114         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CRED id=%d name='%s'",
3115                    id, name);
3116
3117         cred = wpa_config_get_cred(wpa_s->conf, id);
3118         if (cred == NULL) {
3119                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3120                            id);
3121                 return -1;
3122         }
3123
3124         value = wpa_config_get_cred_no_key(cred, name);
3125         if (value == NULL) {
3126                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get cred variable '%s'",
3127                            name);
3128                 return -1;
3129         }
3130
3131         res = os_strlcpy(buf, value, buflen);
3132         if (res >= buflen) {
3133                 os_free(value);
3134                 return -1;
3135         }
3136
3137         os_free(value);
3138
3139         return res;
3140 }
3141
3142
3143 #ifndef CONFIG_NO_CONFIG_WRITE
3144 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
3145 {
3146         int ret;
3147
3148         if (!wpa_s->conf->update_config) {
3149                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
3150                            "to update configuration (update_config=0)");
3151                 return -1;
3152         }
3153
3154         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
3155         if (ret) {
3156                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
3157                            "update configuration");
3158         } else {
3159                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
3160                            " updated");
3161         }
3162
3163         return ret;
3164 }
3165 #endif /* CONFIG_NO_CONFIG_WRITE */
3166
3167
3168 struct cipher_info {
3169         unsigned int capa;
3170         const char *name;
3171         int group_only;
3172 };
3173
3174 static const struct cipher_info ciphers[] = {
3175         { WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
3176         { WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
3177         { WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
3178         { WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
3179         { WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
3180         { WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
3181         { WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
3182         { WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
3183 };
3184
3185
3186 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
3187                                               struct wpa_driver_capa *capa,
3188                                               char *buf, size_t buflen)
3189 {
3190         int ret;
3191         char *pos, *end;
3192         size_t len;
3193         unsigned int i;
3194
3195         pos = buf;
3196         end = pos + buflen;
3197
3198         if (res < 0) {
3199                 if (strict)
3200                         return 0;
3201                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
3202                 if (len >= buflen)
3203                         return -1;
3204                 return len;
3205         }
3206
3207         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3208                 if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
3209                         ret = os_snprintf(pos, end - pos, "%s%s",
3210                                           pos == buf ? "" : " ",
3211                                           ciphers[i].name);
3212                         if (os_snprintf_error(end - pos, ret))
3213                                 return pos - buf;
3214                         pos += ret;
3215                 }
3216         }
3217
3218         return pos - buf;
3219 }
3220
3221
3222 static int ctrl_iface_get_capability_group(int res, char *strict,
3223                                            struct wpa_driver_capa *capa,
3224                                            char *buf, size_t buflen)
3225 {
3226         int ret;
3227         char *pos, *end;
3228         size_t len;
3229         unsigned int i;
3230
3231         pos = buf;
3232         end = pos + buflen;
3233
3234         if (res < 0) {
3235                 if (strict)
3236                         return 0;
3237                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
3238                 if (len >= buflen)
3239                         return -1;
3240                 return len;
3241         }
3242
3243         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3244                 if (capa->enc & ciphers[i].capa) {
3245                         ret = os_snprintf(pos, end - pos, "%s%s",
3246                                           pos == buf ? "" : " ",
3247                                           ciphers[i].name);
3248                         if (os_snprintf_error(end - pos, ret))
3249                                 return pos - buf;
3250                         pos += ret;
3251                 }
3252         }
3253
3254         return pos - buf;
3255 }
3256
3257
3258 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
3259                                               struct wpa_driver_capa *capa,
3260                                               char *buf, size_t buflen)
3261 {
3262         int ret;
3263         char *pos, *end;
3264         size_t len;
3265
3266         pos = buf;
3267         end = pos + buflen;
3268
3269         if (res < 0) {
3270                 if (strict)
3271                         return 0;
3272                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
3273                                  "NONE", buflen);
3274                 if (len >= buflen)
3275                         return -1;
3276                 return len;
3277         }
3278
3279         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
3280         if (os_snprintf_error(end - pos, ret))
3281                 return pos - buf;
3282         pos += ret;
3283
3284         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3285                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
3286                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
3287                 if (os_snprintf_error(end - pos, ret))
3288                         return pos - buf;
3289                 pos += ret;
3290         }
3291
3292         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3293                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3294                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
3295                 if (os_snprintf_error(end - pos, ret))
3296                         return pos - buf;
3297                 pos += ret;
3298         }
3299
3300         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
3301                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
3302                 if (os_snprintf_error(end - pos, ret))
3303                         return pos - buf;
3304                 pos += ret;
3305         }
3306
3307         return pos - buf;
3308 }
3309
3310
3311 static int ctrl_iface_get_capability_proto(int res, char *strict,
3312                                            struct wpa_driver_capa *capa,
3313                                            char *buf, size_t buflen)
3314 {
3315         int ret;
3316         char *pos, *end;
3317         size_t len;
3318
3319         pos = buf;
3320         end = pos + buflen;
3321
3322         if (res < 0) {
3323                 if (strict)
3324                         return 0;
3325                 len = os_strlcpy(buf, "RSN WPA", buflen);
3326                 if (len >= buflen)
3327                         return -1;
3328                 return len;
3329         }
3330
3331         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3332                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3333                 ret = os_snprintf(pos, end - pos, "%sRSN",
3334                                   pos == buf ? "" : " ");
3335                 if (os_snprintf_error(end - pos, ret))
3336                         return pos - buf;
3337                 pos += ret;
3338         }
3339
3340         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3341                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
3342                 ret = os_snprintf(pos, end - pos, "%sWPA",
3343                                   pos == buf ? "" : " ");
3344                 if (os_snprintf_error(end - pos, ret))
3345                         return pos - buf;
3346                 pos += ret;
3347         }
3348
3349         return pos - buf;
3350 }
3351
3352
3353 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
3354                                               struct wpa_driver_capa *capa,
3355                                               char *buf, size_t buflen)
3356 {
3357         int ret;
3358         char *pos, *end;
3359         size_t len;
3360
3361         pos = buf;
3362         end = pos + buflen;
3363
3364         if (res < 0) {
3365                 if (strict)
3366                         return 0;
3367                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3368                 if (len >= buflen)
3369                         return -1;
3370                 return len;
3371         }
3372
3373         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3374                 ret = os_snprintf(pos, end - pos, "%sOPEN",
3375                                   pos == buf ? "" : " ");
3376                 if (os_snprintf_error(end - pos, ret))
3377                         return pos - buf;
3378                 pos += ret;
3379         }
3380
3381         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
3382                 ret = os_snprintf(pos, end - pos, "%sSHARED",
3383                                   pos == buf ? "" : " ");
3384                 if (os_snprintf_error(end - pos, ret))
3385                         return pos - buf;
3386                 pos += ret;
3387         }
3388
3389         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3390                 ret = os_snprintf(pos, end - pos, "%sLEAP",
3391                                   pos == buf ? "" : " ");
3392                 if (os_snprintf_error(end - pos, ret))
3393                         return pos - buf;
3394                 pos += ret;
3395         }
3396
3397         return pos - buf;
3398 }
3399
3400
3401 static int ctrl_iface_get_capability_modes(int res, char *strict,
3402                                            struct wpa_driver_capa *capa,
3403                                            char *buf, size_t buflen)
3404 {
3405         int ret;
3406         char *pos, *end;
3407         size_t len;
3408
3409         pos = buf;
3410         end = pos + buflen;
3411
3412         if (res < 0) {
3413                 if (strict)
3414                         return 0;
3415                 len = os_strlcpy(buf, "IBSS AP", buflen);
3416                 if (len >= buflen)
3417                         return -1;
3418                 return len;
3419         }
3420
3421         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3422                 ret = os_snprintf(pos, end - pos, "%sIBSS",
3423                                   pos == buf ? "" : " ");
3424                 if (os_snprintf_error(end - pos, ret))
3425                         return pos - buf;
3426                 pos += ret;
3427         }
3428
3429         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3430                 ret = os_snprintf(pos, end - pos, "%sAP",
3431                                   pos == buf ? "" : " ");
3432                 if (os_snprintf_error(end - pos, ret))
3433                         return pos - buf;
3434                 pos += ret;
3435         }
3436
3437         return pos - buf;
3438 }
3439
3440
3441 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3442                                               char *buf, size_t buflen)
3443 {
3444         struct hostapd_channel_data *chnl;
3445         int ret, i, j;
3446         char *pos, *end, *hmode;
3447
3448         pos = buf;
3449         end = pos + buflen;
3450
3451         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3452                 switch (wpa_s->hw.modes[j].mode) {
3453                 case HOSTAPD_MODE_IEEE80211B:
3454                         hmode = "B";
3455                         break;
3456                 case HOSTAPD_MODE_IEEE80211G:
3457                         hmode = "G";
3458                         break;
3459                 case HOSTAPD_MODE_IEEE80211A:
3460                         hmode = "A";
3461                         break;
3462                 case HOSTAPD_MODE_IEEE80211AD:
3463                         hmode = "AD";
3464                         break;
3465                 default:
3466                         continue;
3467                 }
3468                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3469                 if (os_snprintf_error(end - pos, ret))
3470                         return pos - buf;
3471                 pos += ret;
3472                 chnl = wpa_s->hw.modes[j].channels;
3473                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3474                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3475                                 continue;
3476                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3477                         if (os_snprintf_error(end - pos, ret))
3478                                 return pos - buf;
3479                         pos += ret;
3480                 }
3481                 ret = os_snprintf(pos, end - pos, "\n");
3482                 if (os_snprintf_error(end - pos, ret))
3483                         return pos - buf;
3484                 pos += ret;
3485         }
3486
3487         return pos - buf;
3488 }
3489
3490
3491 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3492                                           char *buf, size_t buflen)
3493 {
3494         struct hostapd_channel_data *chnl;
3495         int ret, i, j;
3496         char *pos, *end, *hmode;
3497
3498         pos = buf;
3499         end = pos + buflen;
3500
3501         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3502                 switch (wpa_s->hw.modes[j].mode) {
3503                 case HOSTAPD_MODE_IEEE80211B:
3504                         hmode = "B";
3505                         break;
3506                 case HOSTAPD_MODE_IEEE80211G:
3507                         hmode = "G";
3508                         break;
3509                 case HOSTAPD_MODE_IEEE80211A:
3510                         hmode = "A";
3511                         break;
3512                 case HOSTAPD_MODE_IEEE80211AD:
3513                         hmode = "AD";
3514                         break;
3515                 default:
3516                         continue;
3517                 }
3518                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3519                                   hmode);
3520                 if (os_snprintf_error(end - pos, ret))
3521                         return pos - buf;
3522                 pos += ret;
3523                 chnl = wpa_s->hw.modes[j].channels;
3524                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3525                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3526                                 continue;
3527                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s%s\n",
3528                                           chnl[i].chan, chnl[i].freq,
3529                                           chnl[i].flag & HOSTAPD_CHAN_NO_IR ?
3530                                           " (NO_IR)" : "",
3531                                           chnl[i].flag & HOSTAPD_CHAN_RADAR ?
3532                                           " (DFS)" : "");
3533
3534                         if (os_snprintf_error(end - pos, ret))
3535                                 return pos - buf;
3536                         pos += ret;
3537                 }
3538                 ret = os_snprintf(pos, end - pos, "\n");
3539                 if (os_snprintf_error(end - pos, ret))
3540                         return pos - buf;
3541                 pos += ret;
3542         }
3543
3544         return pos - buf;
3545 }
3546
3547
3548 static int wpa_supplicant_ctrl_iface_get_capability(
3549         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3550         size_t buflen)
3551 {
3552         struct wpa_driver_capa capa;
3553         int res;
3554         char *strict;
3555         char field[30];
3556         size_t len;
3557
3558         /* Determine whether or not strict checking was requested */
3559         len = os_strlcpy(field, _field, sizeof(field));
3560         if (len >= sizeof(field))
3561                 return -1;
3562         strict = os_strchr(field, ' ');
3563         if (strict != NULL) {
3564                 *strict++ = '\0';
3565                 if (os_strcmp(strict, "strict") != 0)
3566                         return -1;
3567         }
3568
3569         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3570                 field, strict ? strict : "");
3571
3572         if (os_strcmp(field, "eap") == 0) {
3573                 return eap_get_names(buf, buflen);
3574         }
3575
3576         res = wpa_drv_get_capa(wpa_s, &capa);
3577
3578         if (os_strcmp(field, "pairwise") == 0)
3579                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3580                                                           buf, buflen);
3581
3582         if (os_strcmp(field, "group") == 0)
3583                 return ctrl_iface_get_capability_group(res, strict, &capa,
3584                                                        buf, buflen);
3585
3586         if (os_strcmp(field, "key_mgmt") == 0)
3587                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3588                                                           buf, buflen);
3589
3590         if (os_strcmp(field, "proto") == 0)
3591                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3592                                                        buf, buflen);
3593
3594         if (os_strcmp(field, "auth_alg") == 0)
3595                 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
3596                                                           buf, buflen);
3597
3598         if (os_strcmp(field, "modes") == 0)
3599                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3600                                                        buf, buflen);
3601
3602         if (os_strcmp(field, "channels") == 0)
3603                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3604
3605         if (os_strcmp(field, "freq") == 0)
3606                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3607
3608 #ifdef CONFIG_TDLS
3609         if (os_strcmp(field, "tdls") == 0)
3610                 return ctrl_iface_get_capability_tdls(wpa_s, buf, buflen);
3611 #endif /* CONFIG_TDLS */
3612
3613 #ifdef CONFIG_ERP
3614         if (os_strcmp(field, "erp") == 0) {
3615                 res = os_snprintf(buf, buflen, "ERP");
3616                 if (os_snprintf_error(buflen, res))
3617                         return -1;
3618                 return res;
3619         }
3620 #endif /* CONFIG_EPR */
3621
3622         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3623                    field);
3624
3625         return -1;
3626 }
3627
3628
3629 #ifdef CONFIG_INTERWORKING
3630 static char * anqp_add_hex(char *pos, char *end, const char *title,
3631                            struct wpabuf *data)
3632 {
3633         char *start = pos;
3634         size_t i;
3635         int ret;
3636         const u8 *d;
3637
3638         if (data == NULL)
3639                 return start;
3640
3641         ret = os_snprintf(pos, end - pos, "%s=", title);
3642         if (os_snprintf_error(end - pos, ret))
3643                 return start;
3644         pos += ret;
3645
3646         d = wpabuf_head_u8(data);
3647         for (i = 0; i < wpabuf_len(data); i++) {
3648                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3649                 if (os_snprintf_error(end - pos, ret))
3650                         return start;
3651                 pos += ret;
3652         }
3653
3654         ret = os_snprintf(pos, end - pos, "\n");
3655         if (os_snprintf_error(end - pos, ret))
3656                 return start;
3657         pos += ret;
3658
3659         return pos;
3660 }
3661 #endif /* CONFIG_INTERWORKING */
3662
3663
3664 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3665                           unsigned long mask, char *buf, size_t buflen)
3666 {
3667         size_t i;
3668         int ret;
3669         char *pos, *end;
3670         const u8 *ie, *ie2;
3671
3672         pos = buf;
3673         end = buf + buflen;
3674
3675         if (mask & WPA_BSS_MASK_ID) {
3676                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3677                 if (os_snprintf_error(end - pos, ret))
3678                         return 0;
3679                 pos += ret;
3680         }
3681
3682         if (mask & WPA_BSS_MASK_BSSID) {
3683                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3684                                   MAC2STR(bss->bssid));
3685                 if (os_snprintf_error(end - pos, ret))
3686                         return 0;
3687                 pos += ret;
3688         }
3689
3690         if (mask & WPA_BSS_MASK_FREQ) {
3691                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
3692                 if (os_snprintf_error(end - pos, ret))
3693                         return 0;
3694                 pos += ret;
3695         }
3696
3697         if (mask & WPA_BSS_MASK_BEACON_INT) {
3698                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
3699                                   bss->beacon_int);
3700                 if (os_snprintf_error(end - pos, ret))
3701                         return 0;
3702                 pos += ret;
3703         }
3704
3705         if (mask & WPA_BSS_MASK_CAPABILITIES) {
3706                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
3707                                   bss->caps);
3708                 if (os_snprintf_error(end - pos, ret))
3709                         return 0;
3710                 pos += ret;
3711         }
3712
3713         if (mask & WPA_BSS_MASK_QUAL) {
3714                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
3715                 if (os_snprintf_error(end - pos, ret))
3716                         return 0;
3717                 pos += ret;
3718         }
3719
3720         if (mask & WPA_BSS_MASK_NOISE) {
3721                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3722                 if (os_snprintf_error(end - pos, ret))
3723                         return 0;
3724                 pos += ret;
3725         }
3726
3727         if (mask & WPA_BSS_MASK_LEVEL) {
3728                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3729                 if (os_snprintf_error(end - pos, ret))
3730                         return 0;
3731                 pos += ret;
3732         }
3733
3734         if (mask & WPA_BSS_MASK_TSF) {
3735                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
3736                                   (unsigned long long) bss->tsf);
3737                 if (os_snprintf_error(end - pos, ret))
3738                         return 0;
3739                 pos += ret;
3740         }
3741
3742         if (mask & WPA_BSS_MASK_AGE) {
3743                 struct os_reltime now;
3744
3745                 os_get_reltime(&now);
3746                 ret = os_snprintf(pos, end - pos, "age=%d\n",
3747                                   (int) (now.sec - bss->last_update.sec));
3748                 if (os_snprintf_error(end - pos, ret))
3749                         return 0;
3750                 pos += ret;
3751         }
3752
3753         if (mask & WPA_BSS_MASK_IE) {
3754                 ret = os_snprintf(pos, end - pos, "ie=");
3755                 if (os_snprintf_error(end - pos, ret))
3756                         return 0;
3757                 pos += ret;
3758
3759                 ie = (const u8 *) (bss + 1);
3760                 for (i = 0; i < bss->ie_len; i++) {
3761                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
3762                         if (os_snprintf_error(end - pos, ret))
3763                                 return 0;
3764                         pos += ret;
3765                 }
3766
3767                 ret = os_snprintf(pos, end - pos, "\n");
3768                 if (os_snprintf_error(end - pos, ret))
3769                         return 0;
3770                 pos += ret;
3771         }
3772
3773         if (mask & WPA_BSS_MASK_FLAGS) {
3774                 ret = os_snprintf(pos, end - pos, "flags=");
3775                 if (os_snprintf_error(end - pos, ret))
3776                         return 0;
3777                 pos += ret;
3778
3779                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
3780                 if (ie)
3781                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
3782                                                     2 + ie[1]);
3783                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
3784                 if (ie2)
3785                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
3786                                                     2 + ie2[1]);
3787                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
3788                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3789                         ret = os_snprintf(pos, end - pos, "[WEP]");
3790                         if (os_snprintf_error(end - pos, ret))
3791                                 return 0;
3792                         pos += ret;
3793                 }
3794                 if (bss_is_dmg(bss)) {
3795                         const char *s;
3796                         ret = os_snprintf(pos, end - pos, "[DMG]");
3797                         if (os_snprintf_error(end - pos, ret))
3798                                 return 0;
3799                         pos += ret;
3800                         switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
3801                         case IEEE80211_CAP_DMG_IBSS:
3802                                 s = "[IBSS]";
3803                                 break;
3804                         case IEEE80211_CAP_DMG_AP:
3805                                 s = "[ESS]";
3806                                 break;
3807                         case IEEE80211_CAP_DMG_PBSS:
3808                                 s = "[PBSS]";
3809                                 break;
3810                         default:
3811                                 s = "";
3812                                 break;
3813                         }
3814                         ret = os_snprintf(pos, end - pos, "%s", s);
3815                         if (os_snprintf_error(end - pos, ret))
3816                                 return 0;
3817                         pos += ret;
3818                 } else {
3819                         if (bss->caps & IEEE80211_CAP_IBSS) {
3820                                 ret = os_snprintf(pos, end - pos, "[IBSS]");
3821                                 if (os_snprintf_error(end - pos, ret))
3822                                         return 0;
3823                                 pos += ret;
3824                         }
3825                         if (bss->caps & IEEE80211_CAP_ESS) {
3826                                 ret = os_snprintf(pos, end - pos, "[ESS]");
3827                                 if (os_snprintf_error(end - pos, ret))
3828                                         return 0;
3829                                 pos += ret;
3830                         }
3831                 }
3832                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
3833                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
3834                         ret = os_snprintf(pos, end - pos, "[P2P]");
3835                         if (os_snprintf_error(end - pos, ret))
3836                                 return 0;
3837                         pos += ret;
3838                 }
3839 #ifdef CONFIG_HS20
3840                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3841                         ret = os_snprintf(pos, end - pos, "[HS20]");
3842                         if (os_snprintf_error(end - pos, ret))
3843                                 return 0;
3844                         pos += ret;
3845                 }
3846 #endif /* CONFIG_HS20 */
3847
3848                 ret = os_snprintf(pos, end - pos, "\n");
3849                 if (os_snprintf_error(end - pos, ret))
3850                         return 0;
3851                 pos += ret;
3852         }
3853
3854         if (mask & WPA_BSS_MASK_SSID) {
3855                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3856                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
3857                 if (os_snprintf_error(end - pos, ret))
3858                         return 0;
3859                 pos += ret;
3860         }
3861
3862 #ifdef CONFIG_WPS
3863         if (mask & WPA_BSS_MASK_WPS_SCAN) {
3864                 ie = (const u8 *) (bss + 1);
3865                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3866                 if (ret < 0 || ret >= end - pos)
3867                         return 0;
3868                 pos += ret;
3869         }
3870 #endif /* CONFIG_WPS */
3871
3872 #ifdef CONFIG_P2P
3873         if (mask & WPA_BSS_MASK_P2P_SCAN) {
3874                 ie = (const u8 *) (bss + 1);
3875                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3876                 if (ret < 0 || ret >= end - pos)
3877                         return 0;
3878                 pos += ret;
3879         }
3880 #endif /* CONFIG_P2P */
3881
3882 #ifdef CONFIG_WIFI_DISPLAY
3883         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3884                 struct wpabuf *wfd;
3885                 ie = (const u8 *) (bss + 1);
3886                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3887                                                   WFD_IE_VENDOR_TYPE);
3888                 if (wfd) {
3889                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3890                         if (os_snprintf_error(end - pos, ret)) {
3891                                 wpabuf_free(wfd);
3892                                 return 0;
3893                         }
3894                         pos += ret;
3895
3896                         pos += wpa_snprintf_hex(pos, end - pos,
3897                                                 wpabuf_head(wfd),
3898                                                 wpabuf_len(wfd));
3899                         wpabuf_free(wfd);
3900
3901                         ret = os_snprintf(pos, end - pos, "\n");
3902                         if (os_snprintf_error(end - pos, ret))
3903                                 return 0;
3904                         pos += ret;
3905                 }
3906         }
3907 #endif /* CONFIG_WIFI_DISPLAY */
3908
3909 #ifdef CONFIG_INTERWORKING
3910         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3911                 struct wpa_bss_anqp *anqp = bss->anqp;
3912                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3913                                    anqp->venue_name);
3914                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3915                                    anqp->network_auth_type);
3916                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3917                                    anqp->roaming_consortium);
3918                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3919                                    anqp->ip_addr_type_availability);
3920                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3921                                    anqp->nai_realm);
3922                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3923                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3924                                    anqp->domain_name);
3925 #ifdef CONFIG_HS20
3926                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3927                                    anqp->hs20_operator_friendly_name);
3928                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3929                                    anqp->hs20_wan_metrics);
3930                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3931                                    anqp->hs20_connection_capability);
3932                 pos = anqp_add_hex(pos, end, "hs20_operating_class",
3933                                    anqp->hs20_operating_class);
3934                 pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
3935                                    anqp->hs20_osu_providers_list);
3936 #endif /* CONFIG_HS20 */
3937         }
3938 #endif /* CONFIG_INTERWORKING */
3939
3940 #ifdef CONFIG_MESH
3941         if (mask & WPA_BSS_MASK_MESH_SCAN) {
3942                 ie = (const u8 *) (bss + 1);
3943                 ret = wpas_mesh_scan_result_text(ie, bss->ie_len, pos, end);
3944                 if (ret < 0 || ret >= end - pos)
3945                         return 0;
3946                 pos += ret;
3947         }
3948 #endif /* CONFIG_MESH */
3949
3950         if (mask & WPA_BSS_MASK_DELIM) {
3951                 ret = os_snprintf(pos, end - pos, "====\n");
3952                 if (os_snprintf_error(end - pos, ret))
3953                         return 0;
3954                 pos += ret;
3955         }
3956
3957         return pos - buf;
3958 }
3959
3960
3961 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3962                                          const char *cmd, char *buf,
3963                                          size_t buflen)
3964 {
3965         u8 bssid[ETH_ALEN];
3966         size_t i;
3967         struct wpa_bss *bss;
3968         struct wpa_bss *bsslast = NULL;
3969         struct dl_list *next;
3970         int ret = 0;
3971         int len;
3972         char *ctmp, *end = buf + buflen;
3973         unsigned long mask = WPA_BSS_MASK_ALL;
3974
3975         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3976                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3977                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3978                                             list_id);
3979                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3980                                                list_id);
3981                 } else { /* N1-N2 */
3982                         unsigned int id1, id2;
3983
3984                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3985                                 wpa_printf(MSG_INFO, "Wrong BSS range "
3986                                            "format");
3987                                 return 0;
3988                         }
3989
3990                         if (*(cmd + 6) == '-')
3991                                 id1 = 0;
3992                         else
3993                                 id1 = atoi(cmd + 6);
3994                         ctmp++;
3995                         if (*ctmp >= '0' && *ctmp <= '9')
3996                                 id2 = atoi(ctmp);
3997                         else
3998                                 id2 = (unsigned int) -1;
3999                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
4000                         if (id2 == (unsigned int) -1)
4001                                 bsslast = dl_list_last(&wpa_s->bss_id,
4002                                                        struct wpa_bss,
4003                                                        list_id);
4004                         else {
4005                                 bsslast = wpa_bss_get_id(wpa_s, id2);
4006                                 if (bsslast == NULL && bss && id2 > id1) {
4007                                         struct wpa_bss *tmp = bss;
4008                                         for (;;) {
4009                                                 next = tmp->list_id.next;
4010                                                 if (next == &wpa_s->bss_id)
4011                                                         break;
4012                                                 tmp = dl_list_entry(
4013                                                         next, struct wpa_bss,
4014                                                         list_id);
4015                                                 if (tmp->id > id2)
4016                                                         break;
4017                                                 bsslast = tmp;
4018                                         }
4019                                 }
4020                         }
4021                 }
4022         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
4023                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
4024         else if (os_strncmp(cmd, "LAST", 4) == 0)
4025                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
4026         else if (os_strncmp(cmd, "ID-", 3) == 0) {
4027                 i = atoi(cmd + 3);
4028                 bss = wpa_bss_get_id(wpa_s, i);
4029         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4030                 i = atoi(cmd + 5);
4031                 bss = wpa_bss_get_id(wpa_s, i);
4032                 if (bss) {
4033                         next = bss->list_id.next;
4034                         if (next == &wpa_s->bss_id)
4035                                 bss = NULL;
4036                         else
4037                                 bss = dl_list_entry(next, struct wpa_bss,
4038                                                     list_id);
4039                 }
4040 #ifdef CONFIG_P2P
4041         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
4042                 if (hwaddr_aton(cmd + 13, bssid) == 0)
4043                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
4044                 else
4045                         bss = NULL;
4046 #endif /* CONFIG_P2P */
4047         } else if (hwaddr_aton(cmd, bssid) == 0)
4048                 bss = wpa_bss_get_bssid(wpa_s, bssid);
4049         else {
4050                 struct wpa_bss *tmp;
4051                 i = atoi(cmd);
4052                 bss = NULL;
4053                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
4054                 {
4055                         if (i-- == 0) {
4056                                 bss = tmp;
4057                                 break;
4058                         }
4059                 }
4060         }
4061
4062         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
4063                 mask = strtoul(ctmp + 5, NULL, 0x10);
4064                 if (mask == 0)
4065                         mask = WPA_BSS_MASK_ALL;
4066         }
4067
4068         if (bss == NULL)
4069                 return 0;
4070
4071         if (bsslast == NULL)
4072                 bsslast = bss;
4073         do {
4074                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
4075                 ret += len;
4076                 buf += len;
4077                 buflen -= len;
4078                 if (bss == bsslast) {
4079                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
4080                             (bss == dl_list_last(&wpa_s->bss_id,
4081                                                  struct wpa_bss, list_id))) {
4082                                 int res;
4083
4084                                 res = os_snprintf(buf - 5, end - buf + 5,
4085                                                   "####\n");
4086                                 if (os_snprintf_error(end - buf + 5, res)) {
4087                                         wpa_printf(MSG_DEBUG,
4088                                                    "Could not add end delim");
4089                                 }
4090                         }
4091                         break;
4092                 }
4093                 next = bss->list_id.next;
4094                 if (next == &wpa_s->bss_id)
4095                         break;
4096                 bss = dl_list_entry(next, struct wpa_bss, list_id);
4097         } while (bss && len);
4098
4099         return ret;
4100 }
4101
4102
4103 static int wpa_supplicant_ctrl_iface_ap_scan(
4104         struct wpa_supplicant *wpa_s, char *cmd)
4105 {
4106         int ap_scan = atoi(cmd);
4107         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
4108 }
4109
4110
4111 static int wpa_supplicant_ctrl_iface_scan_interval(
4112         struct wpa_supplicant *wpa_s, char *cmd)
4113 {
4114         int scan_int = atoi(cmd);
4115         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
4116 }
4117
4118
4119 static int wpa_supplicant_ctrl_iface_bss_expire_age(
4120         struct wpa_supplicant *wpa_s, char *cmd)
4121 {
4122         int expire_age = atoi(cmd);
4123         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
4124 }
4125
4126
4127 static int wpa_supplicant_ctrl_iface_bss_expire_count(
4128         struct wpa_supplicant *wpa_s, char *cmd)
4129 {
4130         int expire_count = atoi(cmd);
4131         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
4132 }
4133
4134
4135 static int wpa_supplicant_ctrl_iface_bss_flush(
4136         struct wpa_supplicant *wpa_s, char *cmd)
4137 {
4138         int flush_age = atoi(cmd);
4139
4140         if (flush_age == 0)
4141                 wpa_bss_flush(wpa_s);
4142         else
4143                 wpa_bss_flush_by_age(wpa_s, flush_age);
4144         return 0;
4145 }
4146
4147
4148 #ifdef CONFIG_TESTING_OPTIONS
4149 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
4150 {
4151         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
4152         /* MLME-DELETEKEYS.request */
4153         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
4154         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
4155         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
4156         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
4157 #ifdef CONFIG_IEEE80211W
4158         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
4159         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
4160 #endif /* CONFIG_IEEE80211W */
4161
4162         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
4163                         0);
4164         /* MLME-SETPROTECTION.request(None) */
4165         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
4166                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
4167                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
4168         wpa_sm_drop_sa(wpa_s->wpa);
4169 }
4170 #endif /* CONFIG_TESTING_OPTIONS */
4171
4172
4173 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
4174                                           char *addr)
4175 {
4176 #ifdef CONFIG_NO_SCAN_PROCESSING
4177         return -1;
4178 #else /* CONFIG_NO_SCAN_PROCESSING */
4179         u8 bssid[ETH_ALEN];
4180         struct wpa_bss *bss;
4181         struct wpa_ssid *ssid = wpa_s->current_ssid;
4182
4183         if (hwaddr_aton(addr, bssid)) {
4184                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
4185                            "address '%s'", addr);
4186                 return -1;
4187         }
4188
4189         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
4190
4191         if (!ssid) {
4192                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
4193                            "configuration known for the target AP");
4194                 return -1;
4195         }
4196
4197         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
4198         if (!bss) {
4199                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
4200                            "from BSS table");
4201                 return -1;
4202         }
4203
4204         /*
4205          * TODO: Find best network configuration block from configuration to
4206          * allow roaming to other networks
4207          */
4208
4209         wpa_s->reassociate = 1;
4210         wpa_supplicant_connect(wpa_s, bss, ssid);
4211
4212         return 0;
4213 #endif /* CONFIG_NO_SCAN_PROCESSING */
4214 }
4215
4216
4217 #ifdef CONFIG_P2P
4218 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
4219 {
4220         unsigned int timeout = atoi(cmd);
4221         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
4222         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
4223         u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
4224         char *pos;
4225         unsigned int search_delay;
4226
4227         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4228                 wpa_dbg(wpa_s, MSG_INFO,
4229                         "Reject P2P_FIND since interface is disabled");
4230                 return -1;
4231         }
4232         if (os_strstr(cmd, "type=social"))
4233                 type = P2P_FIND_ONLY_SOCIAL;
4234         else if (os_strstr(cmd, "type=progressive"))
4235                 type = P2P_FIND_PROGRESSIVE;
4236
4237         pos = os_strstr(cmd, "dev_id=");
4238         if (pos) {
4239                 pos += 7;
4240                 if (hwaddr_aton(pos, dev_id))
4241                         return -1;
4242                 _dev_id = dev_id;
4243         }
4244
4245         pos = os_strstr(cmd, "dev_type=");
4246         if (pos) {
4247                 pos += 9;
4248                 if (wps_dev_type_str2bin(pos, dev_type) < 0)
4249                         return -1;
4250                 _dev_type = dev_type;
4251         }
4252
4253         pos = os_strstr(cmd, "delay=");
4254         if (pos) {
4255                 pos += 6;
4256                 search_delay = atoi(pos);
4257         } else
4258                 search_delay = wpas_p2p_search_delay(wpa_s);
4259
4260         return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
4261                              _dev_id, search_delay);
4262 }
4263
4264
4265 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
4266                             char *buf, size_t buflen)
4267 {
4268         u8 addr[ETH_ALEN];
4269         char *pos, *pos2;
4270         char *pin = NULL;
4271         enum p2p_wps_method wps_method;
4272         int new_pin;
4273         int ret;
4274         int persistent_group, persistent_id = -1;
4275         int join;
4276         int auth;
4277         int automatic;
4278         int go_intent = -1;
4279         int freq = 0;
4280         int pd;
4281         int ht40, vht;
4282
4283         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
4284          * [persistent|persistent=<network id>]
4285          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
4286          * [ht40] [vht] */
4287
4288         if (hwaddr_aton(cmd, addr))
4289                 return -1;
4290
4291         pos = cmd + 17;
4292         if (*pos != ' ')
4293                 return -1;
4294         pos++;
4295
4296         persistent_group = os_strstr(pos, " persistent") != NULL;
4297         pos2 = os_strstr(pos, " persistent=");
4298         if (pos2) {
4299                 struct wpa_ssid *ssid;
4300                 persistent_id = atoi(pos2 + 12);
4301                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
4302                 if (ssid == NULL || ssid->disabled != 2 ||
4303                     ssid->mode != WPAS_MODE_P2P_GO) {
4304                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
4305                                    "SSID id=%d for persistent P2P group (GO)",
4306                                    persistent_id);
4307                         return -1;
4308                 }
4309         }
4310         join = os_strstr(pos, " join") != NULL;
4311         auth = os_strstr(pos, " auth") != NULL;
4312         automatic = os_strstr(pos, " auto") != NULL;
4313         pd = os_strstr(pos, " provdisc") != NULL;
4314         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4315         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4316                 vht;
4317
4318         pos2 = os_strstr(pos, " go_intent=");
4319         if (pos2) {
4320                 pos2 += 11;
4321                 go_intent = atoi(pos2);
4322                 if (go_intent < 0 || go_intent > 15)
4323                         return -1;
4324         }
4325
4326         pos2 = os_strstr(pos, " freq=");
4327         if (pos2) {
4328                 pos2 += 6;
4329                 freq = atoi(pos2);
4330                 if (freq <= 0)
4331                         return -1;
4332         }
4333
4334         if (os_strncmp(pos, "pin", 3) == 0) {
4335                 /* Request random PIN (to be displayed) and enable the PIN */
4336                 wps_method = WPS_PIN_DISPLAY;
4337         } else if (os_strncmp(pos, "pbc", 3) == 0) {
4338                 wps_method = WPS_PBC;
4339         } else {
4340                 pin = pos;
4341                 pos = os_strchr(pin, ' ');
4342                 wps_method = WPS_PIN_KEYPAD;
4343                 if (pos) {
4344                         *pos++ = '\0';
4345                         if (os_strncmp(pos, "display", 7) == 0)
4346                                 wps_method = WPS_PIN_DISPLAY;
4347                 }
4348                 if (!wps_pin_str_valid(pin)) {
4349                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
4350                         return 17;
4351                 }
4352         }
4353
4354         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
4355                                    persistent_group, automatic, join,
4356                                    auth, go_intent, freq, persistent_id, pd,
4357                                    ht40, vht);
4358         if (new_pin == -2) {
4359                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
4360                 return 25;
4361         }
4362         if (new_pin == -3) {
4363                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
4364                 return 25;
4365         }
4366         if (new_pin < 0)
4367                 return -1;
4368         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
4369                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
4370                 if (os_snprintf_error(buflen, ret))
4371                         return -1;
4372                 return ret;
4373         }
4374
4375         os_memcpy(buf, "OK\n", 3);
4376         return 3;
4377 }
4378
4379
4380 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
4381 {
4382         unsigned int timeout = atoi(cmd);
4383         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4384                 wpa_dbg(wpa_s, MSG_INFO,
4385                         "Reject P2P_LISTEN since interface is disabled");
4386                 return -1;
4387         }
4388         return wpas_p2p_listen(wpa_s, timeout);
4389 }
4390
4391
4392 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
4393 {
4394         u8 addr[ETH_ALEN];
4395         char *pos;
4396         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
4397
4398         /* <addr> <config method> [join|auto] */
4399
4400         if (hwaddr_aton(cmd, addr))
4401                 return -1;
4402
4403         pos = cmd + 17;
4404         if (*pos != ' ')
4405                 return -1;
4406         pos++;
4407
4408         if (os_strstr(pos, " join") != NULL)
4409                 use = WPAS_P2P_PD_FOR_JOIN;
4410         else if (os_strstr(pos, " auto") != NULL)
4411                 use = WPAS_P2P_PD_AUTO;
4412
4413         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
4414 }
4415
4416
4417 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
4418                               size_t buflen)
4419 {
4420         struct wpa_ssid *ssid = wpa_s->current_ssid;
4421
4422         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
4423             ssid->passphrase == NULL)
4424                 return -1;
4425
4426         os_strlcpy(buf, ssid->passphrase, buflen);
4427         return os_strlen(buf);
4428 }
4429
4430
4431 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
4432                                   char *buf, size_t buflen)
4433 {
4434         u64 ref;
4435         int res;
4436         u8 dst_buf[ETH_ALEN], *dst;
4437         struct wpabuf *tlvs;
4438         char *pos;
4439         size_t len;
4440
4441         if (hwaddr_aton(cmd, dst_buf))
4442                 return -1;
4443         dst = dst_buf;
4444         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
4445             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
4446                 dst = NULL;
4447         pos = cmd + 17;
4448         if (*pos != ' ')
4449                 return -1;
4450         pos++;
4451
4452         if (os_strncmp(pos, "upnp ", 5) == 0) {
4453                 u8 version;
4454                 pos += 5;
4455                 if (hexstr2bin(pos, &version, 1) < 0)
4456                         return -1;
4457                 pos += 2;
4458                 if (*pos != ' ')
4459                         return -1;
4460                 pos++;
4461                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
4462 #ifdef CONFIG_WIFI_DISPLAY
4463         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
4464                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
4465 #endif /* CONFIG_WIFI_DISPLAY */
4466         } else {
4467                 len = os_strlen(pos);
4468                 if (len & 1)
4469                         return -1;
4470                 len /= 2;
4471                 tlvs = wpabuf_alloc(len);
4472                 if (tlvs == NULL)
4473                         return -1;
4474                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
4475                         wpabuf_free(tlvs);
4476                         return -1;
4477                 }
4478
4479                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
4480                 wpabuf_free(tlvs);
4481         }
4482         if (ref == 0)
4483                 return -1;
4484         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
4485         if (os_snprintf_error(buflen, res))
4486                 return -1;
4487         return res;
4488 }
4489
4490
4491 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
4492                                          char *cmd)
4493 {
4494         long long unsigned val;
4495         u64 req;
4496         if (sscanf(cmd, "%llx", &val) != 1)
4497                 return -1;
4498         req = val;
4499         return wpas_p2p_sd_cancel_request(wpa_s, req);
4500 }
4501
4502
4503 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
4504 {
4505         int freq;
4506         u8 dst[ETH_ALEN];
4507         u8 dialog_token;
4508         struct wpabuf *resp_tlvs;
4509         char *pos, *pos2;
4510         size_t len;
4511
4512         pos = os_strchr(cmd, ' ');
4513         if (pos == NULL)
4514                 return -1;
4515         *pos++ = '\0';
4516         freq = atoi(cmd);
4517         if (freq == 0)
4518                 return -1;
4519
4520         if (hwaddr_aton(pos, dst))
4521                 return -1;
4522         pos += 17;
4523         if (*pos != ' ')
4524                 return -1;
4525         pos++;
4526
4527         pos2 = os_strchr(pos, ' ');
4528         if (pos2 == NULL)
4529                 return -1;
4530         *pos2++ = '\0';
4531         dialog_token = atoi(pos);
4532
4533         len = os_strlen(pos2);
4534         if (len & 1)
4535                 return -1;
4536         len /= 2;
4537         resp_tlvs = wpabuf_alloc(len);
4538         if (resp_tlvs == NULL)
4539                 return -1;
4540         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
4541                 wpabuf_free(resp_tlvs);
4542                 return -1;
4543         }
4544
4545         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
4546         wpabuf_free(resp_tlvs);
4547         return 0;
4548 }
4549
4550
4551 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
4552                                        char *cmd)
4553 {
4554         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
4555                 return -1;
4556         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
4557         return 0;
4558 }
4559
4560
4561 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
4562                                         char *cmd)
4563 {
4564         char *pos;
4565         size_t len;
4566         struct wpabuf *query, *resp;
4567
4568         pos = os_strchr(cmd, ' ');
4569         if (pos == NULL)
4570                 return -1;
4571         *pos++ = '\0';
4572
4573         len = os_strlen(cmd);
4574         if (len & 1)
4575                 return -1;
4576         len /= 2;
4577         query = wpabuf_alloc(len);
4578         if (query == NULL)
4579                 return -1;
4580         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4581                 wpabuf_free(query);
4582                 return -1;
4583         }
4584
4585         len = os_strlen(pos);
4586         if (len & 1) {
4587                 wpabuf_free(query);
4588                 return -1;
4589         }
4590         len /= 2;
4591         resp = wpabuf_alloc(len);
4592         if (resp == NULL) {
4593                 wpabuf_free(query);
4594                 return -1;
4595         }
4596         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
4597                 wpabuf_free(query);
4598                 wpabuf_free(resp);
4599                 return -1;
4600         }
4601
4602         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
4603                 wpabuf_free(query);
4604                 wpabuf_free(resp);
4605                 return -1;
4606         }
4607         return 0;
4608 }
4609
4610
4611 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4612 {
4613         char *pos;
4614         u8 version;
4615
4616         pos = os_strchr(cmd, ' ');
4617         if (pos == NULL)
4618                 return -1;
4619         *pos++ = '\0';
4620
4621         if (hexstr2bin(cmd, &version, 1) < 0)
4622                 return -1;
4623
4624         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
4625 }
4626
4627
4628 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
4629 {
4630         char *pos;
4631
4632         pos = os_strchr(cmd, ' ');
4633         if (pos == NULL)
4634                 return -1;
4635         *pos++ = '\0';
4636
4637         if (os_strcmp(cmd, "bonjour") == 0)
4638                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
4639         if (os_strcmp(cmd, "upnp") == 0)
4640                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
4641         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4642         return -1;
4643 }
4644
4645
4646 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
4647                                         char *cmd)
4648 {
4649         size_t len;
4650         struct wpabuf *query;
4651         int ret;
4652
4653         len = os_strlen(cmd);
4654         if (len & 1)
4655                 return -1;
4656         len /= 2;
4657         query = wpabuf_alloc(len);
4658         if (query == NULL)
4659                 return -1;
4660         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4661                 wpabuf_free(query);
4662                 return -1;
4663         }
4664
4665         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
4666         wpabuf_free(query);
4667         return ret;
4668 }
4669
4670
4671 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4672 {
4673         char *pos;
4674         u8 version;
4675
4676         pos = os_strchr(cmd, ' ');
4677         if (pos == NULL)
4678                 return -1;
4679         *pos++ = '\0';
4680
4681         if (hexstr2bin(cmd, &version, 1) < 0)
4682                 return -1;
4683
4684         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
4685 }
4686
4687
4688 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
4689 {
4690         char *pos;
4691
4692         pos = os_strchr(cmd, ' ');
4693         if (pos == NULL)
4694                 return -1;
4695         *pos++ = '\0';
4696
4697         if (os_strcmp(cmd, "bonjour") == 0)
4698                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
4699         if (os_strcmp(cmd, "upnp") == 0)
4700                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
4701         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4702         return -1;
4703 }
4704
4705
4706 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
4707 {
4708         u8 addr[ETH_ALEN];
4709
4710         /* <addr> */
4711
4712         if (hwaddr_aton(cmd, addr))
4713                 return -1;
4714
4715         return wpas_p2p_reject(wpa_s, addr);
4716 }
4717
4718
4719 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
4720 {
4721         char *pos;
4722         int id;
4723         struct wpa_ssid *ssid;
4724         u8 *_peer = NULL, peer[ETH_ALEN];
4725         int freq = 0, pref_freq = 0;
4726         int ht40, vht;
4727
4728         id = atoi(cmd);
4729         pos = os_strstr(cmd, " peer=");
4730         if (pos) {
4731                 pos += 6;
4732                 if (hwaddr_aton(pos, peer))
4733                         return -1;
4734                 _peer = peer;
4735         }
4736         ssid = wpa_config_get_network(wpa_s->conf, id);
4737         if (ssid == NULL || ssid->disabled != 2) {
4738                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4739                            "for persistent P2P group",
4740                            id);
4741                 return -1;
4742         }
4743
4744         pos = os_strstr(cmd, " freq=");
4745         if (pos) {
4746                 pos += 6;
4747                 freq = atoi(pos);
4748                 if (freq <= 0)
4749                         return -1;
4750         }
4751
4752         pos = os_strstr(cmd, " pref=");
4753         if (pos) {
4754                 pos += 6;
4755                 pref_freq = atoi(pos);
4756                 if (pref_freq <= 0)
4757                         return -1;
4758         }
4759
4760         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4761         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4762                 vht;
4763
4764         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
4765                                pref_freq);
4766 }
4767
4768
4769 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
4770 {
4771         char *pos;
4772         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
4773
4774         pos = os_strstr(cmd, " peer=");
4775         if (!pos)
4776                 return -1;
4777
4778         *pos = '\0';
4779         pos += 6;
4780         if (hwaddr_aton(pos, peer)) {
4781                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
4782                 return -1;
4783         }
4784
4785         pos = os_strstr(pos, " go_dev_addr=");
4786         if (pos) {
4787                 pos += 13;
4788                 if (hwaddr_aton(pos, go_dev_addr)) {
4789                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
4790                                    pos);
4791                         return -1;
4792                 }
4793                 go_dev = go_dev_addr;
4794         }
4795
4796         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
4797 }
4798
4799
4800 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
4801 {
4802         if (os_strncmp(cmd, "persistent=", 11) == 0)
4803                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
4804         if (os_strncmp(cmd, "group=", 6) == 0)
4805                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
4806
4807         return -1;
4808 }
4809
4810
4811 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
4812                                          char *cmd, int freq, int ht40,
4813                                          int vht)
4814 {
4815         int id;
4816         struct wpa_ssid *ssid;
4817
4818         id = atoi(cmd);
4819         ssid = wpa_config_get_network(wpa_s->conf, id);
4820         if (ssid == NULL || ssid->disabled != 2) {
4821                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4822                            "for persistent P2P group",
4823                            id);
4824                 return -1;
4825         }
4826
4827         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, 0, ht40, vht,
4828                                              NULL, 0);
4829 }
4830
4831
4832 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
4833 {
4834         int freq = 0, ht40, vht;
4835         char *pos;
4836
4837         pos = os_strstr(cmd, "freq=");
4838         if (pos)
4839                 freq = atoi(pos + 5);
4840
4841         vht = (os_strstr(cmd, "vht") != NULL) || wpa_s->conf->p2p_go_vht;
4842         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4843                 vht;
4844
4845         if (os_strncmp(cmd, "persistent=", 11) == 0)
4846                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
4847                                                      ht40, vht);
4848         if (os_strcmp(cmd, "persistent") == 0 ||
4849             os_strncmp(cmd, "persistent ", 11) == 0)
4850                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40, vht);
4851         if (os_strncmp(cmd, "freq=", 5) == 0)
4852                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
4853         if (ht40)
4854                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
4855
4856         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
4857                    cmd);
4858         return -1;
4859 }
4860
4861
4862 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
4863                          char *buf, size_t buflen)
4864 {
4865         u8 addr[ETH_ALEN], *addr_ptr;
4866         int next, res;
4867         const struct p2p_peer_info *info;
4868         char *pos, *end;
4869         char devtype[WPS_DEV_TYPE_BUFSIZE];
4870         struct wpa_ssid *ssid;
4871         size_t i;
4872
4873         if (!wpa_s->global->p2p)
4874                 return -1;
4875
4876         if (os_strcmp(cmd, "FIRST") == 0) {
4877                 addr_ptr = NULL;
4878                 next = 0;
4879         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4880                 if (hwaddr_aton(cmd + 5, addr) < 0)
4881                         return -1;
4882                 addr_ptr = addr;
4883                 next = 1;
4884         } else {
4885                 if (hwaddr_aton(cmd, addr) < 0)
4886                         return -1;
4887                 addr_ptr = addr;
4888                 next = 0;
4889         }
4890
4891         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4892         if (info == NULL)
4893                 return -1;
4894
4895         pos = buf;
4896         end = buf + buflen;
4897
4898         res = os_snprintf(pos, end - pos, MACSTR "\n"
4899                           "pri_dev_type=%s\n"
4900                           "device_name=%s\n"
4901                           "manufacturer=%s\n"
4902                           "model_name=%s\n"
4903                           "model_number=%s\n"
4904                           "serial_number=%s\n"
4905                           "config_methods=0x%x\n"
4906                           "dev_capab=0x%x\n"
4907                           "group_capab=0x%x\n"
4908                           "level=%d\n",
4909                           MAC2STR(info->p2p_device_addr),
4910                           wps_dev_type_bin2str(info->pri_dev_type,
4911                                                devtype, sizeof(devtype)),
4912                           info->device_name,
4913                           info->manufacturer,
4914                           info->model_name,
4915                           info->model_number,
4916                           info->serial_number,
4917                           info->config_methods,
4918                           info->dev_capab,
4919                           info->group_capab,
4920                           info->level);
4921         if (os_snprintf_error(end - pos, res))
4922                 return pos - buf;
4923         pos += res;
4924
4925         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4926         {
4927                 const u8 *t;
4928                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4929                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4930                                   wps_dev_type_bin2str(t, devtype,
4931                                                        sizeof(devtype)));
4932                 if (os_snprintf_error(end - pos, res))
4933                         return pos - buf;
4934                 pos += res;
4935         }
4936
4937         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4938         if (ssid) {
4939                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4940                 if (os_snprintf_error(end - pos, res))
4941                         return pos - buf;
4942                 pos += res;
4943         }
4944
4945         res = p2p_get_peer_info_txt(info, pos, end - pos);
4946         if (res < 0)
4947                 return pos - buf;
4948         pos += res;
4949
4950         if (info->vendor_elems) {
4951                 res = os_snprintf(pos, end - pos, "vendor_elems=");
4952                 if (os_snprintf_error(end - pos, res))
4953                         return pos - buf;
4954                 pos += res;
4955
4956                 pos += wpa_snprintf_hex(pos, end - pos,
4957                                         wpabuf_head(info->vendor_elems),
4958                                         wpabuf_len(info->vendor_elems));
4959
4960                 res = os_snprintf(pos, end - pos, "\n");
4961                 if (os_snprintf_error(end - pos, res))
4962                         return pos - buf;
4963                 pos += res;
4964         }
4965
4966         return pos - buf;
4967 }
4968
4969
4970 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4971                                   const char *param)
4972 {
4973         unsigned int i;
4974
4975         if (wpa_s->global->p2p == NULL)
4976                 return -1;
4977
4978         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
4979                 return -1;
4980
4981         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
4982                 struct wpa_freq_range *freq;
4983                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
4984                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4985                            freq->min, freq->max);
4986         }
4987
4988         wpas_p2p_update_channel_list(wpa_s);
4989         return 0;
4990 }
4991
4992
4993 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4994 {
4995         char *param;
4996
4997         if (wpa_s->global->p2p == NULL)
4998                 return -1;
4999
5000         param = os_strchr(cmd, ' ');
5001         if (param == NULL)
5002                 return -1;
5003         *param++ = '\0';
5004
5005         if (os_strcmp(cmd, "discoverability") == 0) {
5006                 p2p_set_client_discoverability(wpa_s->global->p2p,
5007                                                atoi(param));
5008                 return 0;
5009         }
5010
5011         if (os_strcmp(cmd, "managed") == 0) {
5012                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
5013                 return 0;
5014         }
5015
5016         if (os_strcmp(cmd, "listen_channel") == 0) {
5017                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
5018                                               atoi(param), 1);
5019         }
5020
5021         if (os_strcmp(cmd, "ssid_postfix") == 0) {
5022                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
5023                                             os_strlen(param));
5024         }
5025
5026         if (os_strcmp(cmd, "noa") == 0) {
5027                 char *pos;
5028                 int count, start, duration;
5029                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
5030                 count = atoi(param);
5031                 pos = os_strchr(param, ',');
5032                 if (pos == NULL)
5033                         return -1;
5034                 pos++;
5035                 start = atoi(pos);
5036                 pos = os_strchr(pos, ',');
5037                 if (pos == NULL)
5038                         return -1;
5039                 pos++;
5040                 duration = atoi(pos);
5041                 if (count < 0 || count > 255 || start < 0 || duration < 0)
5042                         return -1;
5043                 if (count == 0 && duration > 0)
5044                         return -1;
5045                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
5046                            "start=%d duration=%d", count, start, duration);
5047                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
5048         }
5049
5050         if (os_strcmp(cmd, "ps") == 0)
5051                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
5052
5053         if (os_strcmp(cmd, "oppps") == 0)
5054                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
5055
5056         if (os_strcmp(cmd, "ctwindow") == 0)
5057                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
5058
5059         if (os_strcmp(cmd, "disabled") == 0) {
5060                 wpa_s->global->p2p_disabled = atoi(param);
5061                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
5062                            wpa_s->global->p2p_disabled ?
5063                            "disabled" : "enabled");
5064                 if (wpa_s->global->p2p_disabled) {
5065                         wpas_p2p_stop_find(wpa_s);
5066                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5067                         p2p_flush(wpa_s->global->p2p);
5068                 }
5069                 return 0;
5070         }
5071
5072         if (os_strcmp(cmd, "conc_pref") == 0) {
5073                 if (os_strcmp(param, "sta") == 0)
5074                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
5075                 else if (os_strcmp(param, "p2p") == 0)
5076                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
5077                 else {
5078                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
5079                         return -1;
5080                 }
5081                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
5082                            "%s", param);
5083                 return 0;
5084         }
5085
5086         if (os_strcmp(cmd, "force_long_sd") == 0) {
5087                 wpa_s->force_long_sd = atoi(param);
5088                 return 0;
5089         }
5090
5091         if (os_strcmp(cmd, "peer_filter") == 0) {
5092                 u8 addr[ETH_ALEN];
5093                 if (hwaddr_aton(param, addr))
5094                         return -1;
5095                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
5096                 return 0;
5097         }
5098
5099         if (os_strcmp(cmd, "cross_connect") == 0)
5100                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
5101
5102         if (os_strcmp(cmd, "go_apsd") == 0) {
5103                 if (os_strcmp(param, "disable") == 0)
5104                         wpa_s->set_ap_uapsd = 0;
5105                 else {
5106                         wpa_s->set_ap_uapsd = 1;
5107                         wpa_s->ap_uapsd = atoi(param);
5108                 }
5109                 return 0;
5110         }
5111
5112         if (os_strcmp(cmd, "client_apsd") == 0) {
5113                 if (os_strcmp(param, "disable") == 0)
5114                         wpa_s->set_sta_uapsd = 0;
5115                 else {
5116                         int be, bk, vi, vo;
5117                         char *pos;
5118                         /* format: BE,BK,VI,VO;max SP Length */
5119                         be = atoi(param);
5120                         pos = os_strchr(param, ',');
5121                         if (pos == NULL)
5122                                 return -1;
5123                         pos++;
5124                         bk = atoi(pos);
5125                         pos = os_strchr(pos, ',');
5126                         if (pos == NULL)
5127                                 return -1;
5128                         pos++;
5129                         vi = atoi(pos);
5130                         pos = os_strchr(pos, ',');
5131                         if (pos == NULL)
5132                                 return -1;
5133                         pos++;
5134                         vo = atoi(pos);
5135                         /* ignore max SP Length for now */
5136
5137                         wpa_s->set_sta_uapsd = 1;
5138                         wpa_s->sta_uapsd = 0;
5139                         if (be)
5140                                 wpa_s->sta_uapsd |= BIT(0);
5141                         if (bk)
5142                                 wpa_s->sta_uapsd |= BIT(1);
5143                         if (vi)
5144                                 wpa_s->sta_uapsd |= BIT(2);
5145                         if (vo)
5146                                 wpa_s->sta_uapsd |= BIT(3);
5147                 }
5148                 return 0;
5149         }
5150
5151         if (os_strcmp(cmd, "disallow_freq") == 0)
5152                 return p2p_ctrl_disallow_freq(wpa_s, param);
5153
5154         if (os_strcmp(cmd, "disc_int") == 0) {
5155                 int min_disc_int, max_disc_int, max_disc_tu;
5156                 char *pos;
5157
5158                 pos = param;
5159
5160                 min_disc_int = atoi(pos);
5161                 pos = os_strchr(pos, ' ');
5162                 if (pos == NULL)
5163                         return -1;
5164                 *pos++ = '\0';
5165
5166                 max_disc_int = atoi(pos);
5167                 pos = os_strchr(pos, ' ');
5168                 if (pos == NULL)
5169                         return -1;
5170                 *pos++ = '\0';
5171
5172                 max_disc_tu = atoi(pos);
5173
5174                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
5175                                         max_disc_int, max_disc_tu);
5176         }
5177
5178         if (os_strcmp(cmd, "per_sta_psk") == 0) {
5179                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
5180                 return 0;
5181         }
5182
5183 #ifdef CONFIG_WPS_NFC
5184         if (os_strcmp(cmd, "nfc_tag") == 0)
5185                 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
5186 #endif /* CONFIG_WPS_NFC */
5187
5188         if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
5189                 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
5190                 return 0;
5191         }
5192
5193         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
5194                    cmd);
5195
5196         return -1;
5197 }
5198
5199
5200 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
5201 {
5202         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5203         wpa_s->force_long_sd = 0;
5204         wpas_p2p_stop_find(wpa_s);
5205         if (wpa_s->global->p2p)
5206                 p2p_flush(wpa_s->global->p2p);
5207 }
5208
5209
5210 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
5211 {
5212         char *pos, *pos2;
5213         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
5214
5215         if (cmd[0]) {
5216                 pos = os_strchr(cmd, ' ');
5217                 if (pos == NULL)
5218                         return -1;
5219                 *pos++ = '\0';
5220                 dur1 = atoi(cmd);
5221
5222                 pos2 = os_strchr(pos, ' ');
5223                 if (pos2)
5224                         *pos2++ = '\0';
5225                 int1 = atoi(pos);
5226         } else
5227                 pos2 = NULL;
5228
5229         if (pos2) {
5230                 pos = os_strchr(pos2, ' ');
5231                 if (pos == NULL)
5232                         return -1;
5233                 *pos++ = '\0';
5234                 dur2 = atoi(pos2);
5235                 int2 = atoi(pos);
5236         }
5237
5238         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
5239 }
5240
5241
5242 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
5243 {
5244         char *pos;
5245         unsigned int period = 0, interval = 0;
5246
5247         if (cmd[0]) {
5248                 pos = os_strchr(cmd, ' ');
5249                 if (pos == NULL)
5250                         return -1;
5251                 *pos++ = '\0';
5252                 period = atoi(cmd);
5253                 interval = atoi(pos);
5254         }
5255
5256         return wpas_p2p_ext_listen(wpa_s, period, interval);
5257 }
5258
5259
5260 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
5261 {
5262         const char *pos;
5263         u8 peer[ETH_ALEN];
5264         int iface_addr = 0;
5265
5266         pos = cmd;
5267         if (os_strncmp(pos, "iface=", 6) == 0) {
5268                 iface_addr = 1;
5269                 pos += 6;
5270         }
5271         if (hwaddr_aton(pos, peer))
5272                 return -1;
5273
5274         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
5275         return 0;
5276 }
5277
5278 #endif /* CONFIG_P2P */
5279
5280
5281 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
5282 {
5283         struct wpa_freq_range_list ranges;
5284         int *freqs = NULL;
5285         struct hostapd_hw_modes *mode;
5286         u16 i;
5287
5288         if (wpa_s->hw.modes == NULL)
5289                 return NULL;
5290
5291         os_memset(&ranges, 0, sizeof(ranges));
5292         if (freq_range_list_parse(&ranges, val) < 0)
5293                 return NULL;
5294
5295         for (i = 0; i < wpa_s->hw.num_modes; i++) {
5296                 int j;
5297
5298                 mode = &wpa_s->hw.modes[i];
5299                 for (j = 0; j < mode->num_channels; j++) {
5300                         unsigned int freq;
5301
5302                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
5303                                 continue;
5304
5305                         freq = mode->channels[j].freq;
5306                         if (!freq_range_list_includes(&ranges, freq))
5307                                 continue;
5308
5309                         int_array_add_unique(&freqs, freq);
5310                 }
5311         }
5312
5313         os_free(ranges.range);
5314         return freqs;
5315 }
5316
5317
5318 #ifdef CONFIG_INTERWORKING
5319
5320 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
5321 {
5322         int auto_sel = 0;
5323         int *freqs = NULL;
5324
5325         if (param) {
5326                 char *pos;
5327
5328                 auto_sel = os_strstr(param, "auto") != NULL;
5329
5330                 pos = os_strstr(param, "freq=");
5331                 if (pos) {
5332                         freqs = freq_range_to_channel_list(wpa_s, pos + 5);
5333                         if (freqs == NULL)
5334                                 return -1;
5335                 }
5336
5337         }
5338
5339         return interworking_select(wpa_s, auto_sel, freqs);
5340 }
5341
5342
5343 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
5344 {
5345         u8 bssid[ETH_ALEN];
5346         struct wpa_bss *bss;
5347
5348         if (hwaddr_aton(dst, bssid)) {
5349                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
5350                 return -1;
5351         }
5352
5353         bss = wpa_bss_get_bssid(wpa_s, bssid);
5354         if (bss == NULL) {
5355                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
5356                            MAC2STR(bssid));
5357                 return -1;
5358         }
5359
5360         return interworking_connect(wpa_s, bss);
5361 }
5362
5363
5364 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
5365 {
5366         u8 dst_addr[ETH_ALEN];
5367         int used;
5368         char *pos;
5369 #define MAX_ANQP_INFO_ID 100
5370         u16 id[MAX_ANQP_INFO_ID];
5371         size_t num_id = 0;
5372         u32 subtypes = 0;
5373
5374         used = hwaddr_aton2(dst, dst_addr);
5375         if (used < 0)
5376                 return -1;
5377         pos = dst + used;
5378         while (num_id < MAX_ANQP_INFO_ID) {
5379                 if (os_strncmp(pos, "hs20:", 5) == 0) {
5380 #ifdef CONFIG_HS20
5381                         int num = atoi(pos + 5);
5382                         if (num <= 0 || num > 31)
5383                                 return -1;
5384                         subtypes |= BIT(num);
5385 #else /* CONFIG_HS20 */
5386                         return -1;
5387 #endif /* CONFIG_HS20 */
5388                 } else {
5389                         id[num_id] = atoi(pos);
5390                         if (id[num_id])
5391                                 num_id++;
5392                 }
5393                 pos = os_strchr(pos + 1, ',');
5394                 if (pos == NULL)
5395                         break;
5396                 pos++;
5397         }
5398
5399         if (num_id == 0)
5400                 return -1;
5401
5402         return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes);
5403 }
5404
5405
5406 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
5407 {
5408         u8 dst_addr[ETH_ALEN];
5409         struct wpabuf *advproto, *query = NULL;
5410         int used, ret = -1;
5411         char *pos, *end;
5412         size_t len;
5413
5414         used = hwaddr_aton2(cmd, dst_addr);
5415         if (used < 0)
5416                 return -1;
5417
5418         pos = cmd + used;
5419         while (*pos == ' ')
5420                 pos++;
5421
5422         /* Advertisement Protocol ID */
5423         end = os_strchr(pos, ' ');
5424         if (end)
5425                 len = end - pos;
5426         else
5427                 len = os_strlen(pos);
5428         if (len & 0x01)
5429                 return -1;
5430         len /= 2;
5431         if (len == 0)
5432                 return -1;
5433         advproto = wpabuf_alloc(len);
5434         if (advproto == NULL)
5435                 return -1;
5436         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
5437                 goto fail;
5438
5439         if (end) {
5440                 /* Optional Query Request */
5441                 pos = end + 1;
5442                 while (*pos == ' ')
5443                         pos++;
5444
5445                 len = os_strlen(pos);
5446                 if (len) {
5447                         if (len & 0x01)
5448                                 goto fail;
5449                         len /= 2;
5450                         if (len == 0)
5451                                 goto fail;
5452                         query = wpabuf_alloc(len);
5453                         if (query == NULL)
5454                                 goto fail;
5455                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
5456                                 goto fail;
5457                 }
5458         }
5459
5460         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
5461
5462 fail:
5463         wpabuf_free(advproto);
5464         wpabuf_free(query);
5465
5466         return ret;
5467 }
5468
5469
5470 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
5471                             size_t buflen)
5472 {
5473         u8 addr[ETH_ALEN];
5474         int dialog_token;
5475         int used;
5476         char *pos;
5477         size_t resp_len, start, requested_len;
5478         struct wpabuf *resp;
5479         int ret;
5480
5481         used = hwaddr_aton2(cmd, addr);
5482         if (used < 0)
5483                 return -1;
5484
5485         pos = cmd + used;
5486         while (*pos == ' ')
5487                 pos++;
5488         dialog_token = atoi(pos);
5489
5490         if (wpa_s->last_gas_resp &&
5491             os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
5492             dialog_token == wpa_s->last_gas_dialog_token)
5493                 resp = wpa_s->last_gas_resp;
5494         else if (wpa_s->prev_gas_resp &&
5495                  os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
5496                  dialog_token == wpa_s->prev_gas_dialog_token)
5497                 resp = wpa_s->prev_gas_resp;
5498         else
5499                 return -1;
5500
5501         resp_len = wpabuf_len(resp);
5502         start = 0;
5503         requested_len = resp_len;
5504
5505         pos = os_strchr(pos, ' ');
5506         if (pos) {
5507                 start = atoi(pos);
5508                 if (start > resp_len)
5509                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
5510                 pos = os_strchr(pos, ',');
5511                 if (pos == NULL)
5512                         return -1;
5513                 pos++;
5514                 requested_len = atoi(pos);
5515                 if (start + requested_len > resp_len)
5516                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
5517         }
5518
5519         if (requested_len * 2 + 1 > buflen)
5520                 return os_snprintf(buf, buflen, "FAIL-Too long response");
5521
5522         ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
5523                                requested_len);
5524
5525         if (start + requested_len == resp_len) {
5526                 /*
5527                  * Free memory by dropping the response after it has been
5528                  * fetched.
5529                  */
5530                 if (resp == wpa_s->prev_gas_resp) {
5531                         wpabuf_free(wpa_s->prev_gas_resp);
5532                         wpa_s->prev_gas_resp = NULL;
5533                 } else {
5534                         wpabuf_free(wpa_s->last_gas_resp);
5535                         wpa_s->last_gas_resp = NULL;
5536                 }
5537         }
5538
5539         return ret;
5540 }
5541 #endif /* CONFIG_INTERWORKING */
5542
5543
5544 #ifdef CONFIG_HS20
5545
5546 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
5547 {
5548         u8 dst_addr[ETH_ALEN];
5549         int used;
5550         char *pos;
5551         u32 subtypes = 0;
5552
5553         used = hwaddr_aton2(dst, dst_addr);
5554         if (used < 0)
5555                 return -1;
5556         pos = dst + used;
5557         for (;;) {
5558                 int num = atoi(pos);
5559                 if (num <= 0 || num > 31)
5560                         return -1;
5561                 subtypes |= BIT(num);
5562                 pos = os_strchr(pos + 1, ',');
5563                 if (pos == NULL)
5564                         break;
5565                 pos++;
5566         }
5567
5568         if (subtypes == 0)
5569                 return -1;
5570
5571         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
5572 }
5573
5574
5575 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
5576                                     const u8 *addr, const char *realm)
5577 {
5578         u8 *buf;
5579         size_t rlen, len;
5580         int ret;
5581
5582         rlen = os_strlen(realm);
5583         len = 3 + rlen;
5584         buf = os_malloc(len);
5585         if (buf == NULL)
5586                 return -1;
5587         buf[0] = 1; /* NAI Home Realm Count */
5588         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
5589         buf[2] = rlen;
5590         os_memcpy(buf + 3, realm, rlen);
5591
5592         ret = hs20_anqp_send_req(wpa_s, addr,
5593                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
5594                                  buf, len);
5595
5596         os_free(buf);
5597
5598         return ret;
5599 }
5600
5601
5602 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
5603                                         char *dst)
5604 {
5605         struct wpa_cred *cred = wpa_s->conf->cred;
5606         u8 dst_addr[ETH_ALEN];
5607         int used;
5608         u8 *buf;
5609         size_t len;
5610         int ret;
5611
5612         used = hwaddr_aton2(dst, dst_addr);
5613         if (used < 0)
5614                 return -1;
5615
5616         while (dst[used] == ' ')
5617                 used++;
5618         if (os_strncmp(dst + used, "realm=", 6) == 0)
5619                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
5620                                                 dst + used + 6);
5621
5622         len = os_strlen(dst + used);
5623
5624         if (len == 0 && cred && cred->realm)
5625                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
5626
5627         if (len & 1)
5628                 return -1;
5629         len /= 2;
5630         buf = os_malloc(len);
5631         if (buf == NULL)
5632                 return -1;
5633         if (hexstr2bin(dst + used, buf, len) < 0) {
5634                 os_free(buf);
5635                 return -1;
5636         }
5637
5638         ret = hs20_anqp_send_req(wpa_s, dst_addr,
5639                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
5640                                  buf, len);
5641         os_free(buf);
5642
5643         return ret;
5644 }
5645
5646
5647 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd)
5648 {
5649         u8 dst_addr[ETH_ALEN];
5650         int used;
5651         char *icon;
5652
5653         used = hwaddr_aton2(cmd, dst_addr);
5654         if (used < 0)
5655                 return -1;
5656
5657         while (cmd[used] == ' ')
5658                 used++;
5659         icon = &cmd[used];
5660
5661         wpa_s->fetch_osu_icon_in_progress = 0;
5662         return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
5663                                   (u8 *) icon, os_strlen(icon));
5664 }
5665
5666 #endif /* CONFIG_HS20 */
5667
5668
5669 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
5670         struct wpa_supplicant *wpa_s, char *cmd)
5671 {
5672         wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
5673         return 0;
5674 }
5675
5676
5677 #ifdef CONFIG_AUTOSCAN
5678
5679 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
5680                                               char *cmd)
5681 {
5682         enum wpa_states state = wpa_s->wpa_state;
5683         char *new_params = NULL;
5684
5685         if (os_strlen(cmd) > 0) {
5686                 new_params = os_strdup(cmd);
5687                 if (new_params == NULL)
5688                         return -1;
5689         }
5690
5691         os_free(wpa_s->conf->autoscan);
5692         wpa_s->conf->autoscan = new_params;
5693
5694         if (wpa_s->conf->autoscan == NULL)
5695                 autoscan_deinit(wpa_s);
5696         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
5697                 autoscan_init(wpa_s, 1);
5698         else if (state == WPA_SCANNING)
5699                 wpa_supplicant_reinit_autoscan(wpa_s);
5700
5701         return 0;
5702 }
5703
5704 #endif /* CONFIG_AUTOSCAN */
5705
5706
5707 #ifdef CONFIG_WNM
5708
5709 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
5710 {
5711         int enter;
5712         int intval = 0;
5713         char *pos;
5714         int ret;
5715         struct wpabuf *tfs_req = NULL;
5716
5717         if (os_strncmp(cmd, "enter", 5) == 0)
5718                 enter = 1;
5719         else if (os_strncmp(cmd, "exit", 4) == 0)
5720                 enter = 0;
5721         else
5722                 return -1;
5723
5724         pos = os_strstr(cmd, " interval=");
5725         if (pos)
5726                 intval = atoi(pos + 10);
5727
5728         pos = os_strstr(cmd, " tfs_req=");
5729         if (pos) {
5730                 char *end;
5731                 size_t len;
5732                 pos += 9;
5733                 end = os_strchr(pos, ' ');
5734                 if (end)
5735                         len = end - pos;
5736                 else
5737                         len = os_strlen(pos);
5738                 if (len & 1)
5739                         return -1;
5740                 len /= 2;
5741                 tfs_req = wpabuf_alloc(len);
5742                 if (tfs_req == NULL)
5743                         return -1;
5744                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
5745                         wpabuf_free(tfs_req);
5746                         return -1;
5747                 }
5748         }
5749
5750         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
5751                                            WNM_SLEEP_MODE_EXIT, intval,
5752                                            tfs_req);
5753         wpabuf_free(tfs_req);
5754
5755         return ret;
5756 }
5757
5758
5759 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
5760 {
5761         int query_reason;
5762
5763         query_reason = atoi(cmd);
5764
5765         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
5766                    query_reason);
5767
5768         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
5769 }
5770
5771 #endif /* CONFIG_WNM */
5772
5773
5774 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
5775                                       size_t buflen)
5776 {
5777         struct wpa_signal_info si;
5778         int ret;
5779         char *pos, *end;
5780
5781         ret = wpa_drv_signal_poll(wpa_s, &si);
5782         if (ret)
5783                 return -1;
5784
5785         pos = buf;
5786         end = buf + buflen;
5787
5788         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
5789                           "NOISE=%d\nFREQUENCY=%u\n",
5790                           si.current_signal, si.current_txrate / 1000,
5791                           si.current_noise, si.frequency);
5792         if (os_snprintf_error(end - pos, ret))
5793                 return -1;
5794         pos += ret;
5795
5796         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
5797                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
5798                                   channel_width_to_string(si.chanwidth));
5799                 if (os_snprintf_error(end - pos, ret))
5800                         return -1;
5801                 pos += ret;
5802         }
5803
5804         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
5805                 ret = os_snprintf(pos, end - pos,
5806                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
5807                                   si.center_frq1, si.center_frq2);
5808                 if (os_snprintf_error(end - pos, ret))
5809                         return -1;
5810                 pos += ret;
5811         }
5812
5813         if (si.avg_signal) {
5814                 ret = os_snprintf(pos, end - pos,
5815                                   "AVG_RSSI=%d\n", si.avg_signal);
5816                 if (os_snprintf_error(end - pos, ret))
5817                         return -1;
5818                 pos += ret;
5819         }
5820
5821         return pos - buf;
5822 }
5823
5824
5825 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
5826                                       size_t buflen)
5827 {
5828         struct hostap_sta_driver_data sta;
5829         int ret;
5830
5831         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
5832         if (ret)
5833                 return -1;
5834
5835         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
5836                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
5837         if (os_snprintf_error(buflen, ret))
5838                 return -1;
5839         return ret;
5840 }
5841
5842
5843 #ifdef ANDROID
5844 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
5845                                      char *buf, size_t buflen)
5846 {
5847         int ret;
5848
5849         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
5850         if (ret == 0) {
5851                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
5852                         struct p2p_data *p2p = wpa_s->global->p2p;
5853                         if (p2p) {
5854                                 char country[3];
5855                                 country[0] = cmd[8];
5856                                 country[1] = cmd[9];
5857                                 country[2] = 0x04;
5858                                 p2p_set_country(p2p, country);
5859                         }
5860                 }
5861                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
5862         }
5863         return ret;
5864 }
5865 #endif /* ANDROID */
5866
5867
5868 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
5869                                      char *buf, size_t buflen)
5870 {
5871         int ret;
5872         char *pos;
5873         u8 *data = NULL;
5874         unsigned int vendor_id, subcmd;
5875         struct wpabuf *reply;
5876         size_t data_len = 0;
5877
5878         /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
5879         vendor_id = strtoul(cmd, &pos, 16);
5880         if (!isblank(*pos))
5881                 return -EINVAL;
5882
5883         subcmd = strtoul(pos, &pos, 10);
5884
5885         if (*pos != '\0') {
5886                 if (!isblank(*pos++))
5887                         return -EINVAL;
5888                 data_len = os_strlen(pos);
5889         }
5890
5891         if (data_len) {
5892                 data_len /= 2;
5893                 data = os_malloc(data_len);
5894                 if (!data)
5895                         return -1;
5896
5897                 if (hexstr2bin(pos, data, data_len)) {
5898                         wpa_printf(MSG_DEBUG,
5899                                    "Vendor command: wrong parameter format");
5900                         os_free(data);
5901                         return -EINVAL;
5902                 }
5903         }
5904
5905         reply = wpabuf_alloc((buflen - 1) / 2);
5906         if (!reply) {
5907                 os_free(data);
5908                 return -1;
5909         }
5910
5911         ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
5912                                  reply);
5913
5914         if (ret == 0)
5915                 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
5916                                        wpabuf_len(reply));
5917
5918         wpabuf_free(reply);
5919         os_free(data);
5920
5921         return ret;
5922 }
5923
5924
5925 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
5926 {
5927         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
5928
5929 #ifdef CONFIG_P2P
5930         wpas_p2p_cancel(wpa_s);
5931         wpas_p2p_stop_find(wpa_s);
5932         p2p_ctrl_flush(wpa_s);
5933         wpas_p2p_group_remove(wpa_s, "*");
5934         wpas_p2p_service_flush(wpa_s);
5935         wpa_s->global->p2p_disabled = 0;
5936         wpa_s->global->p2p_per_sta_psk = 0;
5937         wpa_s->conf->num_sec_device_types = 0;
5938         wpa_s->p2p_disable_ip_addr_req = 0;
5939         os_free(wpa_s->global->p2p_go_avoid_freq.range);
5940         wpa_s->global->p2p_go_avoid_freq.range = NULL;
5941 #endif /* CONFIG_P2P */
5942
5943 #ifdef CONFIG_WPS_TESTING
5944         wps_version_number = 0x20;
5945         wps_testing_dummy_cred = 0;
5946         wps_corrupt_pkhash = 0;
5947 #endif /* CONFIG_WPS_TESTING */
5948 #ifdef CONFIG_WPS
5949         wpa_s->wps_fragment_size = 0;
5950         wpas_wps_cancel(wpa_s);
5951 #endif /* CONFIG_WPS */
5952         wpa_s->after_wps = 0;
5953         wpa_s->known_wps_freq = 0;
5954
5955 #ifdef CONFIG_TDLS
5956 #ifdef CONFIG_TDLS_TESTING
5957         extern unsigned int tdls_testing;
5958         tdls_testing = 0;
5959 #endif /* CONFIG_TDLS_TESTING */
5960         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
5961         wpa_tdls_enable(wpa_s->wpa, 1);
5962 #endif /* CONFIG_TDLS */
5963
5964         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
5965         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
5966
5967         wpa_s->no_keep_alive = 0;
5968
5969         os_free(wpa_s->disallow_aps_bssid);
5970         wpa_s->disallow_aps_bssid = NULL;
5971         wpa_s->disallow_aps_bssid_count = 0;
5972         os_free(wpa_s->disallow_aps_ssid);
5973         wpa_s->disallow_aps_ssid = NULL;
5974         wpa_s->disallow_aps_ssid_count = 0;
5975
5976         wpa_s->set_sta_uapsd = 0;
5977         wpa_s->sta_uapsd = 0;
5978
5979         wpa_drv_radio_disable(wpa_s, 0);
5980
5981         wpa_bss_flush(wpa_s);
5982         wpa_blacklist_clear(wpa_s);
5983         wpa_s->extra_blacklist_count = 0;
5984         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
5985         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
5986         wpa_config_flush_blobs(wpa_s->conf);
5987         wpa_s->conf->auto_interworking = 0;
5988         wpa_s->conf->okc = 0;
5989
5990         wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
5991         rsn_preauth_deinit(wpa_s->wpa);
5992
5993         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
5994         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
5995         wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
5996         eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
5997
5998         radio_remove_works(wpa_s, NULL, 1);
5999         wpa_s->ext_work_in_progress = 0;
6000
6001         wpa_s->next_ssid = NULL;
6002
6003 #ifdef CONFIG_INTERWORKING
6004         hs20_cancel_fetch_osu(wpa_s);
6005 #endif /* CONFIG_INTERWORKING */
6006
6007         wpa_s->ext_mgmt_frame_handling = 0;
6008         wpa_s->ext_eapol_frame_io = 0;
6009 #ifdef CONFIG_TESTING_OPTIONS
6010         wpa_s->extra_roc_dur = 0;
6011 #endif /* CONFIG_TESTING_OPTIONS */
6012 }
6013
6014
6015 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
6016                                      char *buf, size_t buflen)
6017 {
6018         struct wpa_radio_work *work;
6019         char *pos, *end;
6020         struct os_reltime now, diff;
6021
6022         pos = buf;
6023         end = buf + buflen;
6024
6025         os_get_reltime(&now);
6026
6027         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6028         {
6029                 int ret;
6030
6031                 os_reltime_sub(&now, &work->time, &diff);
6032                 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
6033                                   work->type, work->wpa_s->ifname, work->freq,
6034                                   work->started, diff.sec, diff.usec);
6035                 if (os_snprintf_error(end - pos, ret))
6036                         break;
6037                 pos += ret;
6038         }
6039
6040         return pos - buf;
6041 }
6042
6043
6044 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
6045 {
6046         struct wpa_radio_work *work = eloop_ctx;
6047         struct wpa_external_work *ework = work->ctx;
6048
6049         wpa_dbg(work->wpa_s, MSG_DEBUG,
6050                 "Timing out external radio work %u (%s)",
6051                 ework->id, work->type);
6052         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
6053         work->wpa_s->ext_work_in_progress = 0;
6054         radio_work_done(work);
6055         os_free(ework);
6056 }
6057
6058
6059 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
6060 {
6061         struct wpa_external_work *ework = work->ctx;
6062
6063         if (deinit) {
6064                 if (work->started)
6065                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6066                                              work, NULL);
6067
6068                 os_free(ework);
6069                 return;
6070         }
6071
6072         wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
6073                 ework->id, ework->type);
6074         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
6075         work->wpa_s->ext_work_in_progress = 1;
6076         if (!ework->timeout)
6077                 ework->timeout = 10;
6078         eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
6079                                work, NULL);
6080 }
6081
6082
6083 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
6084                                     char *buf, size_t buflen)
6085 {
6086         struct wpa_external_work *ework;
6087         char *pos, *pos2;
6088         size_t type_len;
6089         int ret;
6090         unsigned int freq = 0;
6091
6092         /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
6093
6094         ework = os_zalloc(sizeof(*ework));
6095         if (ework == NULL)
6096                 return -1;
6097
6098         pos = os_strchr(cmd, ' ');
6099         if (pos) {
6100                 type_len = pos - cmd;
6101                 pos++;
6102
6103                 pos2 = os_strstr(pos, "freq=");
6104                 if (pos2)
6105                         freq = atoi(pos2 + 5);
6106
6107                 pos2 = os_strstr(pos, "timeout=");
6108                 if (pos2)
6109                         ework->timeout = atoi(pos2 + 8);
6110         } else {
6111                 type_len = os_strlen(cmd);
6112         }
6113         if (4 + type_len >= sizeof(ework->type))
6114                 type_len = sizeof(ework->type) - 4 - 1;
6115         os_strlcpy(ework->type, "ext:", sizeof(ework->type));
6116         os_memcpy(ework->type + 4, cmd, type_len);
6117         ework->type[4 + type_len] = '\0';
6118
6119         wpa_s->ext_work_id++;
6120         if (wpa_s->ext_work_id == 0)
6121                 wpa_s->ext_work_id++;
6122         ework->id = wpa_s->ext_work_id;
6123
6124         if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
6125                            ework) < 0) {
6126                 os_free(ework);
6127                 return -1;
6128         }
6129
6130         ret = os_snprintf(buf, buflen, "%u", ework->id);
6131         if (os_snprintf_error(buflen, ret))
6132                 return -1;
6133         return ret;
6134 }
6135
6136
6137 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
6138 {
6139         struct wpa_radio_work *work;
6140         unsigned int id = atoi(cmd);
6141
6142         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6143         {
6144                 struct wpa_external_work *ework;
6145
6146                 if (os_strncmp(work->type, "ext:", 4) != 0)
6147                         continue;
6148                 ework = work->ctx;
6149                 if (id && ework->id != id)
6150                         continue;
6151                 wpa_dbg(wpa_s, MSG_DEBUG,
6152                         "Completed external radio work %u (%s)",
6153                         ework->id, ework->type);
6154                 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
6155                 wpa_s->ext_work_in_progress = 0;
6156                 radio_work_done(work);
6157                 os_free(ework);
6158                 return 3; /* "OK\n" */
6159         }
6160
6161         return -1;
6162 }
6163
6164
6165 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
6166                                 char *buf, size_t buflen)
6167 {
6168         if (os_strcmp(cmd, "show") == 0)
6169                 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
6170         if (os_strncmp(cmd, "add ", 4) == 0)
6171                 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
6172         if (os_strncmp(cmd, "done ", 5) == 0)
6173                 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
6174         return -1;
6175 }
6176
6177
6178 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
6179 {
6180         struct wpa_radio_work *work, *tmp;
6181
6182         if (!wpa_s || !wpa_s->radio)
6183                 return;
6184
6185         dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
6186                               struct wpa_radio_work, list) {
6187                 struct wpa_external_work *ework;
6188
6189                 if (os_strncmp(work->type, "ext:", 4) != 0)
6190                         continue;
6191                 ework = work->ctx;
6192                 wpa_dbg(wpa_s, MSG_DEBUG,
6193                         "Flushing%s external radio work %u (%s)",
6194                         work->started ? " started" : "", ework->id,
6195                         ework->type);
6196                 if (work->started)
6197                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6198                                              work, NULL);
6199                 radio_work_done(work);
6200                 os_free(ework);
6201         }
6202 }
6203
6204
6205 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
6206 {
6207         struct wpa_supplicant *wpa_s = eloop_ctx;
6208         eapol_sm_notify_ctrl_response(wpa_s->eapol);
6209 }
6210
6211
6212 static int set_scan_freqs(struct wpa_supplicant *wpa_s, char *val)
6213 {
6214         int *freqs = NULL;
6215
6216         freqs = freq_range_to_channel_list(wpa_s, val);
6217         if (freqs == NULL)
6218                 return -1;
6219
6220         os_free(wpa_s->manual_scan_freqs);
6221         wpa_s->manual_scan_freqs = freqs;
6222
6223         return 0;
6224 }
6225
6226
6227 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value)
6228 {
6229         const char *pos = value;
6230
6231         while (pos) {
6232                 if (*pos == ' ' || *pos == '\0')
6233                         break;
6234                 if (wpa_s->scan_id_count == MAX_SCAN_ID)
6235                         return -1;
6236                 wpa_s->scan_id[wpa_s->scan_id_count++] = atoi(pos);
6237                 pos = os_strchr(pos, ',');
6238                 if (pos)
6239                         pos++;
6240         }
6241
6242         return 0;
6243 }
6244
6245
6246 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
6247                            char *reply, int reply_size, int *reply_len)
6248 {
6249         char *pos;
6250
6251         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
6252                 *reply_len = -1;
6253                 return;
6254         }
6255
6256         wpa_s->manual_scan_passive = 0;
6257         wpa_s->manual_scan_use_id = 0;
6258         wpa_s->manual_scan_only_new = 0;
6259         wpa_s->scan_id_count = 0;
6260
6261         if (params) {
6262                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
6263                         wpa_s->scan_res_handler = scan_only_handler;
6264
6265                 pos = os_strstr(params, "freq=");
6266                 if (pos && set_scan_freqs(wpa_s, pos + 5) < 0) {
6267                         *reply_len = -1;
6268                         return;
6269                 }
6270
6271                 pos = os_strstr(params, "passive=");
6272                 if (pos)
6273                         wpa_s->manual_scan_passive = !!atoi(pos + 8);
6274
6275                 pos = os_strstr(params, "use_id=");
6276                 if (pos)
6277                         wpa_s->manual_scan_use_id = atoi(pos + 7);
6278
6279                 pos = os_strstr(params, "only_new=1");
6280                 if (pos)
6281                         wpa_s->manual_scan_only_new = 1;
6282
6283                 pos = os_strstr(params, "scan_id=");
6284                 if (pos && scan_id_list_parse(wpa_s, pos + 8) < 0) {
6285                         *reply_len = -1;
6286                         return;
6287                 }
6288         } else {
6289                 os_free(wpa_s->manual_scan_freqs);
6290                 wpa_s->manual_scan_freqs = NULL;
6291                 if (wpa_s->scan_res_handler == scan_only_handler)
6292                         wpa_s->scan_res_handler = NULL;
6293         }
6294
6295         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
6296             ((wpa_s->wpa_state <= WPA_SCANNING) ||
6297              (wpa_s->wpa_state == WPA_COMPLETED))) {
6298                 wpa_s->normal_scans = 0;
6299                 wpa_s->scan_req = MANUAL_SCAN_REQ;
6300                 wpa_s->after_wps = 0;
6301                 wpa_s->known_wps_freq = 0;
6302                 wpa_supplicant_req_scan(wpa_s, 0, 0);
6303                 if (wpa_s->manual_scan_use_id) {
6304                         wpa_s->manual_scan_id++;
6305                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
6306                                 wpa_s->manual_scan_id);
6307                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
6308                                                  wpa_s->manual_scan_id);
6309                 }
6310         } else if (wpa_s->sched_scanning) {
6311                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
6312                 wpa_supplicant_cancel_sched_scan(wpa_s);
6313                 wpa_s->scan_req = MANUAL_SCAN_REQ;
6314                 wpa_supplicant_req_scan(wpa_s, 0, 0);
6315                 if (wpa_s->manual_scan_use_id) {
6316                         wpa_s->manual_scan_id++;
6317                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
6318                                                  wpa_s->manual_scan_id);
6319                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
6320                                 wpa_s->manual_scan_id);
6321                 }
6322         } else {
6323                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
6324                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
6325         }
6326 }
6327
6328
6329 #ifdef CONFIG_TESTING_OPTIONS
6330
6331 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
6332                                        unsigned int freq, const u8 *dst,
6333                                        const u8 *src, const u8 *bssid,
6334                                        const u8 *data, size_t data_len,
6335                                        enum offchannel_send_action_result
6336                                        result)
6337 {
6338         wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
6339                 " src=" MACSTR " bssid=" MACSTR " result=%s",
6340                 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
6341                 result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
6342                 "SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
6343                              "NO_ACK" : "FAILED"));
6344 }
6345
6346
6347 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
6348 {
6349         char *pos, *param;
6350         size_t len;
6351         u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
6352         int res, used;
6353         int freq = 0, no_cck = 0, wait_time = 0;
6354
6355         /* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
6356          *    <action=Action frame payload> */
6357
6358         wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
6359
6360         pos = cmd;
6361         used = hwaddr_aton2(pos, da);
6362         if (used < 0)
6363                 return -1;
6364         pos += used;
6365         while (*pos == ' ')
6366                 pos++;
6367         used = hwaddr_aton2(pos, bssid);
6368         if (used < 0)
6369                 return -1;
6370         pos += used;
6371
6372         param = os_strstr(pos, " freq=");
6373         if (param) {
6374                 param += 6;
6375                 freq = atoi(param);
6376         }
6377
6378         param = os_strstr(pos, " no_cck=");
6379         if (param) {
6380                 param += 8;
6381                 no_cck = atoi(param);
6382         }
6383
6384         param = os_strstr(pos, " wait_time=");
6385         if (param) {
6386                 param += 11;
6387                 wait_time = atoi(param);
6388         }
6389
6390         param = os_strstr(pos, " action=");
6391         if (param == NULL)
6392                 return -1;
6393         param += 8;
6394
6395         len = os_strlen(param);
6396         if (len & 1)
6397                 return -1;
6398         len /= 2;
6399
6400         buf = os_malloc(len);
6401         if (buf == NULL)
6402                 return -1;
6403
6404         if (hexstr2bin(param, buf, len) < 0) {
6405                 os_free(buf);
6406                 return -1;
6407         }
6408
6409         res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
6410                                      buf, len, wait_time,
6411                                      wpas_ctrl_iface_mgmt_tx_cb, no_cck);
6412         os_free(buf);
6413         return res;
6414 }
6415
6416
6417 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
6418 {
6419         wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
6420         offchannel_send_action_done(wpa_s);
6421 }
6422
6423
6424 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
6425 {
6426         char *pos, *param;
6427         union wpa_event_data event;
6428         enum wpa_event_type ev;
6429
6430         /* <event name> [parameters..] */
6431
6432         wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
6433
6434         pos = cmd;
6435         param = os_strchr(pos, ' ');
6436         if (param)
6437                 *param++ = '\0';
6438
6439         os_memset(&event, 0, sizeof(event));
6440
6441         if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
6442                 ev = EVENT_INTERFACE_ENABLED;
6443         } else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
6444                 ev = EVENT_INTERFACE_DISABLED;
6445         } else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
6446                 ev = EVENT_AVOID_FREQUENCIES;
6447                 if (param == NULL)
6448                         param = "";
6449                 if (freq_range_list_parse(&event.freq_range, param) < 0)
6450                         return -1;
6451                 wpa_supplicant_event(wpa_s, ev, &event);
6452                 os_free(event.freq_range.range);
6453                 return 0;
6454         } else {
6455                 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
6456                         cmd);
6457                 return -1;
6458         }
6459
6460         wpa_supplicant_event(wpa_s, ev, &event);
6461
6462         return 0;
6463 }
6464
6465
6466 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
6467 {
6468         char *pos;
6469         u8 src[ETH_ALEN], *buf;
6470         int used;
6471         size_t len;
6472
6473         wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
6474
6475         pos = cmd;
6476         used = hwaddr_aton2(pos, src);
6477         if (used < 0)
6478                 return -1;
6479         pos += used;
6480         while (*pos == ' ')
6481                 pos++;
6482
6483         len = os_strlen(pos);
6484         if (len & 1)
6485                 return -1;
6486         len /= 2;
6487
6488         buf = os_malloc(len);
6489         if (buf == NULL)
6490                 return -1;
6491
6492         if (hexstr2bin(pos, buf, len) < 0) {
6493                 os_free(buf);
6494                 return -1;
6495         }
6496
6497         wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
6498         os_free(buf);
6499
6500         return 0;
6501 }
6502
6503
6504 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
6505 {
6506         size_t i;
6507         u32 sum = 0;
6508         const u16 *pos = buf;
6509
6510         for (i = 0; i < len / 2; i++)
6511                 sum += *pos++;
6512
6513         while (sum >> 16)
6514                 sum = (sum & 0xffff) + (sum >> 16);
6515
6516         return sum ^ 0xffff;
6517 }
6518
6519
6520 #define HWSIM_PACKETLEN 1500
6521 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
6522
6523 void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
6524 {
6525         struct wpa_supplicant *wpa_s = ctx;
6526         const struct ether_header *eth;
6527         const struct iphdr *ip;
6528         const u8 *pos;
6529         unsigned int i;
6530
6531         if (len != HWSIM_PACKETLEN)
6532                 return;
6533
6534         eth = (const struct ether_header *) buf;
6535         ip = (const struct iphdr *) (eth + 1);
6536         pos = (const u8 *) (ip + 1);
6537
6538         if (ip->ihl != 5 || ip->version != 4 ||
6539             ntohs(ip->tot_len) != HWSIM_IP_LEN)
6540                 return;
6541
6542         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++) {
6543                 if (*pos != (u8) i)
6544                         return;
6545                 pos++;
6546         }
6547
6548         wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
6549                 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
6550 }
6551
6552
6553 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
6554                                             char *cmd)
6555 {
6556         int enabled = atoi(cmd);
6557
6558         if (!enabled) {
6559                 if (wpa_s->l2_test) {
6560                         l2_packet_deinit(wpa_s->l2_test);
6561                         wpa_s->l2_test = NULL;
6562                         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
6563                 }
6564                 return 0;
6565         }
6566
6567         if (wpa_s->l2_test)
6568                 return 0;
6569
6570         wpa_s->l2_test = l2_packet_init(wpa_s->ifname, wpa_s->own_addr,
6571                                         ETHERTYPE_IP, wpas_data_test_rx,
6572                                         wpa_s, 1);
6573         if (wpa_s->l2_test == NULL)
6574                 return -1;
6575
6576         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
6577
6578         return 0;
6579 }
6580
6581
6582 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
6583 {
6584         u8 dst[ETH_ALEN], src[ETH_ALEN];
6585         char *pos;
6586         int used;
6587         long int val;
6588         u8 tos;
6589         u8 buf[HWSIM_PACKETLEN];
6590         struct ether_header *eth;
6591         struct iphdr *ip;
6592         u8 *dpos;
6593         unsigned int i;
6594
6595         if (wpa_s->l2_test == NULL)
6596                 return -1;
6597
6598         /* format: <dst> <src> <tos> */
6599
6600         pos = cmd;
6601         used = hwaddr_aton2(pos, dst);
6602         if (used < 0)
6603                 return -1;
6604         pos += used;
6605         while (*pos == ' ')
6606                 pos++;
6607         used = hwaddr_aton2(pos, src);
6608         if (used < 0)
6609                 return -1;
6610         pos += used;
6611
6612         val = strtol(pos, NULL, 0);
6613         if (val < 0 || val > 0xff)
6614                 return -1;
6615         tos = val;
6616
6617         eth = (struct ether_header *) buf;
6618         os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
6619         os_memcpy(eth->ether_shost, src, ETH_ALEN);
6620         eth->ether_type = htons(ETHERTYPE_IP);
6621         ip = (struct iphdr *) (eth + 1);
6622         os_memset(ip, 0, sizeof(*ip));
6623         ip->ihl = 5;
6624         ip->version = 4;
6625         ip->ttl = 64;
6626         ip->tos = tos;
6627         ip->tot_len = htons(HWSIM_IP_LEN);
6628         ip->protocol = 1;
6629         ip->saddr = htonl(192 << 24 | 168 << 16 | 1 << 8 | 1);
6630         ip->daddr = htonl(192 << 24 | 168 << 16 | 1 << 8 | 2);
6631         ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
6632         dpos = (u8 *) (ip + 1);
6633         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
6634                 *dpos++ = i;
6635
6636         if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, buf,
6637                            HWSIM_PACKETLEN) < 0)
6638                 return -1;
6639
6640         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
6641                 " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
6642
6643         return 0;
6644 }
6645
6646
6647 static int wpas_ctrl_iface_data_test_frame(struct wpa_supplicant *wpa_s,
6648                                            char *cmd)
6649 {
6650         u8 *buf;
6651         struct ether_header *eth;
6652         struct l2_packet_data *l2 = NULL;
6653         size_t len;
6654         u16 ethertype;
6655         int res = -1;
6656
6657         len = os_strlen(cmd);
6658         if (len & 1 || len < ETH_HLEN * 2)
6659                 return -1;
6660         len /= 2;
6661
6662         buf = os_malloc(len);
6663         if (buf == NULL)
6664                 return -1;
6665
6666         if (hexstr2bin(cmd, buf, len) < 0)
6667                 goto done;
6668
6669         eth = (struct ether_header *) buf;
6670         ethertype = ntohs(eth->ether_type);
6671
6672         l2 = l2_packet_init(wpa_s->ifname, wpa_s->own_addr, ethertype,
6673                             wpas_data_test_rx, wpa_s, 1);
6674         if (l2 == NULL)
6675                 goto done;
6676
6677         res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
6678         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX frame res=%d", res);
6679 done:
6680         if (l2)
6681                 l2_packet_deinit(l2);
6682         os_free(buf);
6683
6684         return res < 0 ? -1 : 0;
6685 }
6686
6687 #endif /* CONFIG_TESTING_OPTIONS */
6688
6689
6690 static void wpas_ctrl_vendor_elem_update(struct wpa_supplicant *wpa_s)
6691 {
6692         unsigned int i;
6693         char buf[30];
6694
6695         wpa_printf(MSG_DEBUG, "Update vendor elements");
6696
6697         for (i = 0; i < NUM_VENDOR_ELEM_FRAMES; i++) {
6698                 if (wpa_s->vendor_elem[i]) {
6699                         int res;
6700
6701                         res = os_snprintf(buf, sizeof(buf), "frame[%u]", i);
6702                         if (!os_snprintf_error(sizeof(buf), res)) {
6703                                 wpa_hexdump_buf(MSG_DEBUG, buf,
6704                                                 wpa_s->vendor_elem[i]);
6705                         }
6706                 }
6707         }
6708
6709 #ifdef CONFIG_P2P
6710         if (wpa_s->parent == wpa_s &&
6711             wpa_s->global->p2p &&
6712             !wpa_s->global->p2p_disabled)
6713                 p2p_set_vendor_elems(wpa_s->global->p2p, wpa_s->vendor_elem);
6714 #endif /* CONFIG_P2P */
6715 }
6716
6717
6718 static struct wpa_supplicant *
6719 wpas_ctrl_vendor_elem_iface(struct wpa_supplicant *wpa_s,
6720                             enum wpa_vendor_elem_frame frame)
6721 {
6722         switch (frame) {
6723 #ifdef CONFIG_P2P
6724         case VENDOR_ELEM_PROBE_REQ_P2P:
6725         case VENDOR_ELEM_PROBE_RESP_P2P:
6726         case VENDOR_ELEM_PROBE_RESP_P2P_GO:
6727         case VENDOR_ELEM_BEACON_P2P_GO:
6728         case VENDOR_ELEM_P2P_PD_REQ:
6729         case VENDOR_ELEM_P2P_PD_RESP:
6730         case VENDOR_ELEM_P2P_GO_NEG_REQ:
6731         case VENDOR_ELEM_P2P_GO_NEG_RESP:
6732         case VENDOR_ELEM_P2P_GO_NEG_CONF:
6733         case VENDOR_ELEM_P2P_INV_REQ:
6734         case VENDOR_ELEM_P2P_INV_RESP:
6735         case VENDOR_ELEM_P2P_ASSOC_REQ:
6736                 return wpa_s->parent;
6737 #endif /* CONFIG_P2P */
6738         default:
6739                 return wpa_s;
6740         }
6741 }
6742
6743
6744 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
6745 {
6746         char *pos = cmd;
6747         int frame;
6748         size_t len;
6749         struct wpabuf *buf;
6750         struct ieee802_11_elems elems;
6751
6752         frame = atoi(pos);
6753         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
6754                 return -1;
6755         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
6756
6757         pos = os_strchr(pos, ' ');
6758         if (pos == NULL)
6759                 return -1;
6760         pos++;
6761
6762         len = os_strlen(pos);
6763         if (len == 0)
6764                 return 0;
6765         if (len & 1)
6766                 return -1;
6767         len /= 2;
6768
6769         buf = wpabuf_alloc(len);
6770         if (buf == NULL)
6771                 return -1;
6772
6773         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
6774                 wpabuf_free(buf);
6775                 return -1;
6776         }
6777
6778         if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
6779             ParseFailed) {
6780                 wpabuf_free(buf);
6781                 return -1;
6782         }
6783
6784         if (wpa_s->vendor_elem[frame] == NULL) {
6785                 wpa_s->vendor_elem[frame] = buf;
6786                 wpas_ctrl_vendor_elem_update(wpa_s);
6787                 return 0;
6788         }
6789
6790         if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
6791                 wpabuf_free(buf);
6792                 return -1;
6793         }
6794
6795         wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
6796         wpabuf_free(buf);
6797         wpas_ctrl_vendor_elem_update(wpa_s);
6798
6799         return 0;
6800 }
6801
6802
6803 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
6804                                      char *buf, size_t buflen)
6805 {
6806         int frame = atoi(cmd);
6807
6808         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
6809                 return -1;
6810         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
6811
6812         if (wpa_s->vendor_elem[frame] == NULL)
6813                 return 0;
6814
6815         return wpa_snprintf_hex(buf, buflen,
6816                                 wpabuf_head_u8(wpa_s->vendor_elem[frame]),
6817                                 wpabuf_len(wpa_s->vendor_elem[frame]));
6818 }
6819
6820
6821 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
6822 {
6823         char *pos = cmd;
6824         int frame;
6825         size_t len;
6826         u8 *buf;
6827         struct ieee802_11_elems elems;
6828         u8 *ie, *end;
6829
6830         frame = atoi(pos);
6831         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
6832                 return -1;
6833         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
6834
6835         pos = os_strchr(pos, ' ');
6836         if (pos == NULL)
6837                 return -1;
6838         pos++;
6839
6840         if (*pos == '*') {
6841                 wpabuf_free(wpa_s->vendor_elem[frame]);
6842                 wpa_s->vendor_elem[frame] = NULL;
6843                 wpas_ctrl_vendor_elem_update(wpa_s);
6844                 return 0;
6845         }
6846
6847         if (wpa_s->vendor_elem[frame] == NULL)
6848                 return -1;
6849
6850         len = os_strlen(pos);
6851         if (len == 0)
6852                 return 0;
6853         if (len & 1)
6854                 return -1;
6855         len /= 2;
6856
6857         buf = os_malloc(len);
6858         if (buf == NULL)
6859                 return -1;
6860
6861         if (hexstr2bin(pos, buf, len) < 0) {
6862                 os_free(buf);
6863                 return -1;
6864         }
6865
6866         if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
6867                 os_free(buf);
6868                 return -1;
6869         }
6870
6871         ie = wpabuf_mhead_u8(wpa_s->vendor_elem[frame]);
6872         end = ie + wpabuf_len(wpa_s->vendor_elem[frame]);
6873
6874         for (; ie + 1 < end; ie += 2 + ie[1]) {
6875                 if (ie + len > end)
6876                         break;
6877                 if (os_memcmp(ie, buf, len) != 0)
6878                         continue;
6879
6880                 if (wpabuf_len(wpa_s->vendor_elem[frame]) == len) {
6881                         wpabuf_free(wpa_s->vendor_elem[frame]);
6882                         wpa_s->vendor_elem[frame] = NULL;
6883                 } else {
6884                         os_memmove(ie, ie + len,
6885                                    end - (ie + len));
6886                         wpa_s->vendor_elem[frame]->used -= len;
6887                 }
6888                 os_free(buf);
6889                 wpas_ctrl_vendor_elem_update(wpa_s);
6890                 return 0;
6891         }
6892
6893         os_free(buf);
6894
6895         return -1;
6896 }
6897
6898
6899 static void wpas_ctrl_neighbor_rep_cb(void *ctx, struct wpabuf *neighbor_rep)
6900 {
6901         struct wpa_supplicant *wpa_s = ctx;
6902
6903         if (neighbor_rep) {
6904                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_RXED
6905                              "length=%u",
6906                              (unsigned int) wpabuf_len(neighbor_rep));
6907                 wpabuf_free(neighbor_rep);
6908         } else {
6909                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_FAILED);
6910         }
6911 }
6912
6913
6914 static int wpas_ctrl_iface_send_neigbor_rep(struct wpa_supplicant *wpa_s,
6915                                             char *cmd)
6916 {
6917         struct wpa_ssid ssid;
6918         struct wpa_ssid *ssid_p = NULL;
6919         int ret = 0;
6920
6921         if (os_strncmp(cmd, " ssid=", 6) == 0) {
6922                 ssid.ssid_len = os_strlen(cmd + 6);
6923                 if (ssid.ssid_len > 32)
6924                         return -1;
6925                 ssid.ssid = (u8 *) (cmd + 6);
6926                 ssid_p = &ssid;
6927         }
6928
6929         ret = wpas_rrm_send_neighbor_rep_request(wpa_s, ssid_p,
6930                                                  wpas_ctrl_neighbor_rep_cb,
6931                                                  wpa_s);
6932
6933         return ret;
6934 }
6935
6936
6937 static int wpas_ctrl_iface_erp_flush(struct wpa_supplicant *wpa_s)
6938 {
6939         eapol_sm_erp_flush(wpa_s->eapol);
6940         return 0;
6941 }
6942
6943
6944 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
6945                                          char *buf, size_t *resp_len)
6946 {
6947         char *reply;
6948         const int reply_size = 4096;
6949         int reply_len;
6950
6951         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
6952             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
6953                 if (wpa_debug_show_keys)
6954                         wpa_dbg(wpa_s, MSG_DEBUG,
6955                                 "Control interface command '%s'", buf);
6956                 else
6957                         wpa_dbg(wpa_s, MSG_DEBUG,
6958                                 "Control interface command '%s [REMOVED]'",
6959                                 os_strncmp(buf, WPA_CTRL_RSP,
6960                                            os_strlen(WPA_CTRL_RSP)) == 0 ?
6961                                 WPA_CTRL_RSP : "SET_NETWORK");
6962         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
6963                    os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
6964                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
6965                                       (const u8 *) buf, os_strlen(buf));
6966         } else {
6967                 int level = MSG_DEBUG;
6968                 if (os_strcmp(buf, "PING") == 0)
6969                         level = MSG_EXCESSIVE;
6970                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
6971         }
6972
6973         reply = os_malloc(reply_size);
6974         if (reply == NULL) {
6975                 *resp_len = 1;
6976                 return NULL;
6977         }
6978
6979         os_memcpy(reply, "OK\n", 3);
6980         reply_len = 3;
6981
6982         if (os_strcmp(buf, "PING") == 0) {
6983                 os_memcpy(reply, "PONG\n", 5);
6984                 reply_len = 5;
6985         } else if (os_strcmp(buf, "IFNAME") == 0) {
6986                 reply_len = os_strlen(wpa_s->ifname);
6987                 os_memcpy(reply, wpa_s->ifname, reply_len);
6988         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
6989                 if (wpa_debug_reopen_file() < 0)
6990                         reply_len = -1;
6991         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
6992                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
6993         } else if (os_strcmp(buf, "MIB") == 0) {
6994                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
6995                 if (reply_len >= 0) {
6996                         int res;
6997                         res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
6998                                                reply_size - reply_len);
6999                         if (res < 0)
7000                                 reply_len = -1;
7001                         else
7002                                 reply_len += res;
7003                 }
7004         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
7005                 reply_len = wpa_supplicant_ctrl_iface_status(
7006                         wpa_s, buf + 6, reply, reply_size);
7007         } else if (os_strcmp(buf, "PMKSA") == 0) {
7008                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
7009                                                     reply_size);
7010         } else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
7011                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
7012         } else if (os_strncmp(buf, "SET ", 4) == 0) {
7013                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
7014                         reply_len = -1;
7015         } else if (os_strncmp(buf, "GET ", 4) == 0) {
7016                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
7017                                                           reply, reply_size);
7018         } else if (os_strcmp(buf, "LOGON") == 0) {
7019                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
7020         } else if (os_strcmp(buf, "LOGOFF") == 0) {
7021                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
7022         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
7023                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
7024                         reply_len = -1;
7025                 else
7026                         wpas_request_connection(wpa_s);
7027         } else if (os_strcmp(buf, "REATTACH") == 0) {
7028                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
7029                     !wpa_s->current_ssid)
7030                         reply_len = -1;
7031                 else {
7032                         wpa_s->reattach = 1;
7033                         wpas_request_connection(wpa_s);
7034                 }
7035         } else if (os_strcmp(buf, "RECONNECT") == 0) {
7036                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
7037                         reply_len = -1;
7038                 else if (wpa_s->disconnected)
7039                         wpas_request_connection(wpa_s);
7040 #ifdef IEEE8021X_EAPOL
7041         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
7042                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
7043                         reply_len = -1;
7044 #endif /* IEEE8021X_EAPOL */
7045 #ifdef CONFIG_PEERKEY
7046         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
7047                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
7048                         reply_len = -1;
7049 #endif /* CONFIG_PEERKEY */
7050 #ifdef CONFIG_IEEE80211R
7051         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
7052                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
7053                         reply_len = -1;
7054 #endif /* CONFIG_IEEE80211R */
7055 #ifdef CONFIG_WPS
7056         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
7057                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
7058                 if (res == -2) {
7059                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
7060                         reply_len = 17;
7061                 } else if (res)
7062                         reply_len = -1;
7063         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
7064                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
7065                 if (res == -2) {
7066                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
7067                         reply_len = 17;
7068                 } else if (res)
7069                         reply_len = -1;
7070         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
7071                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
7072                                                               reply,
7073                                                               reply_size);
7074         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
7075                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
7076                         wpa_s, buf + 14, reply, reply_size);
7077         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
7078                 if (wpas_wps_cancel(wpa_s))
7079                         reply_len = -1;
7080 #ifdef CONFIG_WPS_NFC
7081         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
7082                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
7083                         reply_len = -1;
7084         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
7085                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
7086                         reply_len = -1;
7087         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
7088                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
7089                         wpa_s, buf + 21, reply, reply_size);
7090         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
7091                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
7092                         wpa_s, buf + 14, reply, reply_size);
7093         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
7094                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
7095                                                                buf + 17))
7096                         reply_len = -1;
7097         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
7098                 reply_len = wpas_ctrl_nfc_get_handover_req(
7099                         wpa_s, buf + 21, reply, reply_size);
7100         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
7101                 reply_len = wpas_ctrl_nfc_get_handover_sel(
7102                         wpa_s, buf + 21, reply, reply_size);
7103         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
7104                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
7105                         reply_len = -1;
7106 #endif /* CONFIG_WPS_NFC */
7107         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
7108                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
7109                         reply_len = -1;
7110 #ifdef CONFIG_AP
7111         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
7112                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
7113                         wpa_s, buf + 11, reply, reply_size);
7114 #endif /* CONFIG_AP */
7115 #ifdef CONFIG_WPS_ER
7116         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
7117                 if (wpas_wps_er_start(wpa_s, NULL))
7118                         reply_len = -1;
7119         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
7120                 if (wpas_wps_er_start(wpa_s, buf + 13))
7121                         reply_len = -1;
7122         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
7123                 if (wpas_wps_er_stop(wpa_s))
7124                         reply_len = -1;
7125         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
7126                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
7127                         reply_len = -1;
7128         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
7129                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
7130                 if (ret == -2) {
7131                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
7132                         reply_len = 17;
7133                 } else if (ret == -3) {
7134                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
7135                         reply_len = 18;
7136                 } else if (ret == -4) {
7137                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
7138                         reply_len = 20;
7139                 } else if (ret)
7140                         reply_len = -1;
7141         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
7142                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
7143                         reply_len = -1;
7144         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
7145                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
7146                                                                 buf + 18))
7147                         reply_len = -1;
7148         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
7149                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
7150                         reply_len = -1;
7151 #ifdef CONFIG_WPS_NFC
7152         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
7153                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
7154                         wpa_s, buf + 24, reply, reply_size);
7155 #endif /* CONFIG_WPS_NFC */
7156 #endif /* CONFIG_WPS_ER */
7157 #endif /* CONFIG_WPS */
7158 #ifdef CONFIG_IBSS_RSN
7159         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
7160                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
7161                         reply_len = -1;
7162 #endif /* CONFIG_IBSS_RSN */
7163 #ifdef CONFIG_MESH
7164         } else if (os_strncmp(buf, "MESH_GROUP_ADD ", 15) == 0) {
7165                 if (wpa_supplicant_ctrl_iface_mesh_group_add(wpa_s, buf + 15))
7166                         reply_len = -1;
7167         } else if (os_strncmp(buf, "MESH_GROUP_REMOVE ", 18) == 0) {
7168                 if (wpa_supplicant_ctrl_iface_mesh_group_remove(wpa_s,
7169                                                                 buf + 18))
7170                         reply_len = -1;
7171 #endif /* CONFIG_MESH */
7172 #ifdef CONFIG_P2P
7173         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
7174                 if (p2p_ctrl_find(wpa_s, buf + 9))
7175                         reply_len = -1;
7176         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
7177                 if (p2p_ctrl_find(wpa_s, ""))
7178                         reply_len = -1;
7179         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
7180                 wpas_p2p_stop_find(wpa_s);
7181         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
7182                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
7183                                              reply_size);
7184         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
7185                 if (p2p_ctrl_listen(wpa_s, buf + 11))
7186                         reply_len = -1;
7187         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
7188                 if (p2p_ctrl_listen(wpa_s, ""))
7189                         reply_len = -1;
7190         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
7191                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
7192                         reply_len = -1;
7193         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
7194                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0, 0))
7195                         reply_len = -1;
7196         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
7197                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
7198                         reply_len = -1;
7199         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
7200                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
7201                         reply_len = -1;
7202         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
7203                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
7204         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
7205                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
7206                                                    reply_size);
7207         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
7208                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
7209                         reply_len = -1;
7210         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
7211                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
7212                         reply_len = -1;
7213         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
7214                 wpas_p2p_sd_service_update(wpa_s);
7215         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
7216                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
7217                         reply_len = -1;
7218         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
7219                 wpas_p2p_service_flush(wpa_s);
7220         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
7221                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
7222                         reply_len = -1;
7223         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
7224                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
7225                         reply_len = -1;
7226         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
7227                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
7228                         reply_len = -1;
7229         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
7230                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
7231                         reply_len = -1;
7232         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
7233                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
7234                                               reply_size);
7235         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
7236                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
7237                         reply_len = -1;
7238         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
7239                 p2p_ctrl_flush(wpa_s);
7240         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
7241                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
7242                         reply_len = -1;
7243         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
7244                 if (wpas_p2p_cancel(wpa_s))
7245                         reply_len = -1;
7246         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
7247                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
7248                         reply_len = -1;
7249         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
7250                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
7251                         reply_len = -1;
7252         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
7253                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
7254                         reply_len = -1;
7255         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
7256                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
7257                         reply_len = -1;
7258         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
7259                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
7260                         reply_len = -1;
7261 #endif /* CONFIG_P2P */
7262 #ifdef CONFIG_WIFI_DISPLAY
7263         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
7264                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
7265                         reply_len = -1;
7266         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
7267                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
7268                                                      reply, reply_size);
7269 #endif /* CONFIG_WIFI_DISPLAY */
7270 #ifdef CONFIG_INTERWORKING
7271         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
7272                 if (interworking_fetch_anqp(wpa_s) < 0)
7273                         reply_len = -1;
7274         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
7275                 interworking_stop_fetch_anqp(wpa_s);
7276         } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
7277                 if (ctrl_interworking_select(wpa_s, NULL) < 0)
7278                         reply_len = -1;
7279         } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
7280                 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
7281                         reply_len = -1;
7282         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
7283                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
7284                         reply_len = -1;
7285         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
7286                 if (get_anqp(wpa_s, buf + 9) < 0)
7287                         reply_len = -1;
7288         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
7289                 if (gas_request(wpa_s, buf + 12) < 0)
7290                         reply_len = -1;
7291         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
7292                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
7293                                              reply_size);
7294 #endif /* CONFIG_INTERWORKING */
7295 #ifdef CONFIG_HS20
7296         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
7297                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
7298                         reply_len = -1;
7299         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
7300                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
7301                         reply_len = -1;
7302         } else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
7303                 if (hs20_icon_request(wpa_s, buf + 18) < 0)
7304                         reply_len = -1;
7305         } else if (os_strcmp(buf, "FETCH_OSU") == 0) {
7306                 if (hs20_fetch_osu(wpa_s) < 0)
7307                         reply_len = -1;
7308         } else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
7309                 hs20_cancel_fetch_osu(wpa_s);
7310 #endif /* CONFIG_HS20 */
7311         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
7312         {
7313                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
7314                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
7315                         reply_len = -1;
7316                 else {
7317                         /*
7318                          * Notify response from timeout to allow the control
7319                          * interface response to be sent first.
7320                          */
7321                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
7322                                                wpa_s, NULL);
7323                 }
7324         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
7325                 if (wpa_supplicant_reload_configuration(wpa_s))
7326                         reply_len = -1;
7327         } else if (os_strcmp(buf, "TERMINATE") == 0) {
7328                 wpa_supplicant_terminate_proc(wpa_s->global);
7329         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
7330                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
7331                         reply_len = -1;
7332         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
7333                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
7334                         wpa_s, buf + 9, reply, reply_size);
7335         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
7336                 reply_len = wpa_supplicant_ctrl_iface_log_level(
7337                         wpa_s, buf + 9, reply, reply_size);
7338         } else if (os_strncmp(buf, "LIST_NETWORKS ", 14) == 0) {
7339                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
7340                         wpa_s, buf + 14, reply, reply_size);
7341         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
7342                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
7343                         wpa_s, NULL, reply, reply_size);
7344         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
7345 #ifdef CONFIG_SME
7346                 wpa_s->sme.prev_bssid_set = 0;
7347 #endif /* CONFIG_SME */
7348                 wpa_s->reassociate = 0;
7349                 wpa_s->disconnected = 1;
7350                 wpa_supplicant_cancel_sched_scan(wpa_s);
7351                 wpa_supplicant_cancel_scan(wpa_s);
7352                 wpa_supplicant_deauthenticate(wpa_s,
7353                                               WLAN_REASON_DEAUTH_LEAVING);
7354         } else if (os_strcmp(buf, "SCAN") == 0) {
7355                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
7356         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
7357                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
7358         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
7359                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
7360                         wpa_s, reply, reply_size);
7361         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
7362                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
7363                         reply_len = -1;
7364         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
7365                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
7366                         reply_len = -1;
7367         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
7368                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
7369                         reply_len = -1;
7370         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
7371                 reply_len = wpa_supplicant_ctrl_iface_add_network(
7372                         wpa_s, reply, reply_size);
7373         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
7374                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
7375                         reply_len = -1;
7376         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
7377                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
7378                         reply_len = -1;
7379         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
7380                 reply_len = wpa_supplicant_ctrl_iface_get_network(
7381                         wpa_s, buf + 12, reply, reply_size);
7382         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
7383                 if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12))
7384                         reply_len = -1;
7385         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
7386                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
7387                         wpa_s, reply, reply_size);
7388         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
7389                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
7390                         wpa_s, reply, reply_size);
7391         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
7392                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
7393                         reply_len = -1;
7394         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
7395                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
7396                         reply_len = -1;
7397         } else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
7398                 reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
7399                                                                reply,
7400                                                                reply_size);
7401 #ifndef CONFIG_NO_CONFIG_WRITE
7402         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
7403                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
7404                         reply_len = -1;
7405 #endif /* CONFIG_NO_CONFIG_WRITE */
7406         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
7407                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
7408                         wpa_s, buf + 15, reply, reply_size);
7409         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
7410                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
7411                         reply_len = -1;
7412         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
7413                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
7414                         reply_len = -1;
7415         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
7416                 reply_len = wpa_supplicant_global_iface_list(
7417                         wpa_s->global, reply, reply_size);
7418         } else if (os_strcmp(buf, "INTERFACES") == 0) {
7419                 reply_len = wpa_supplicant_global_iface_interfaces(
7420                         wpa_s->global, reply, reply_size);
7421         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
7422                 reply_len = wpa_supplicant_ctrl_iface_bss(
7423                         wpa_s, buf + 4, reply, reply_size);
7424 #ifdef CONFIG_AP
7425         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
7426                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
7427         } else if (os_strncmp(buf, "STA ", 4) == 0) {
7428                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
7429                                               reply_size);
7430         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
7431                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
7432                                                    reply_size);
7433         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
7434                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
7435                         reply_len = -1;
7436         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
7437                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
7438                         reply_len = -1;
7439         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
7440                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
7441                         reply_len = -1;
7442 #endif /* CONFIG_AP */
7443         } else if (os_strcmp(buf, "SUSPEND") == 0) {
7444                 wpas_notify_suspend(wpa_s->global);
7445         } else if (os_strcmp(buf, "RESUME") == 0) {
7446                 wpas_notify_resume(wpa_s->global);
7447 #ifdef CONFIG_TESTING_OPTIONS
7448         } else if (os_strcmp(buf, "DROP_SA") == 0) {
7449                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
7450 #endif /* CONFIG_TESTING_OPTIONS */
7451         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
7452                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
7453                         reply_len = -1;
7454         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
7455                 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
7456                         reply_len = -1;
7457         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
7458                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
7459                         reply_len = -1;
7460         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
7461                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
7462                                                                buf + 17))
7463                         reply_len = -1;
7464         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
7465                 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
7466                         reply_len = -1;
7467 #ifdef CONFIG_TDLS
7468         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
7469                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
7470                         reply_len = -1;
7471         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
7472                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
7473                         reply_len = -1;
7474         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
7475                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
7476                         reply_len = -1;
7477 #endif /* CONFIG_TDLS */
7478         } else if (os_strcmp(buf, "WMM_AC_STATUS") == 0) {
7479                 reply_len = wpas_wmm_ac_status(wpa_s, reply, reply_size);
7480         } else if (os_strncmp(buf, "WMM_AC_ADDTS ", 13) == 0) {
7481                 if (wmm_ac_ctrl_addts(wpa_s, buf + 13))
7482                         reply_len = -1;
7483         } else if (os_strncmp(buf, "WMM_AC_DELTS ", 13) == 0) {
7484                 if (wmm_ac_ctrl_delts(wpa_s, buf + 13))
7485                         reply_len = -1;
7486         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
7487                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
7488                                                        reply_size);
7489         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
7490                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
7491                                                        reply_size);
7492 #ifdef CONFIG_AUTOSCAN
7493         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
7494                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
7495                         reply_len = -1;
7496 #endif /* CONFIG_AUTOSCAN */
7497 #ifdef ANDROID
7498         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
7499                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
7500                                                       reply_size);
7501 #endif /* ANDROID */
7502         } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
7503                 reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
7504                                                       reply_size);
7505         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
7506                 pmksa_cache_clear_current(wpa_s->wpa);
7507                 eapol_sm_request_reauth(wpa_s->eapol);
7508 #ifdef CONFIG_WNM
7509         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
7510                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
7511                         reply_len = -1;
7512         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 10) == 0) {
7513                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 10))
7514                                 reply_len = -1;
7515 #endif /* CONFIG_WNM */
7516         } else if (os_strcmp(buf, "FLUSH") == 0) {
7517                 wpa_supplicant_ctrl_iface_flush(wpa_s);
7518         } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
7519                 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
7520                                                  reply_size);
7521 #ifdef CONFIG_TESTING_OPTIONS
7522         } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
7523                 if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
7524                         reply_len = -1;
7525         } else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
7526                 wpas_ctrl_iface_mgmt_tx_done(wpa_s);
7527         } else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
7528                 if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
7529                         reply_len = -1;
7530         } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
7531                 if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
7532                         reply_len = -1;
7533         } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
7534                 if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
7535                         reply_len = -1;
7536         } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
7537                 if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
7538                         reply_len = -1;
7539         } else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
7540                 if (wpas_ctrl_iface_data_test_frame(wpa_s, buf + 16) < 0)
7541                         reply_len = -1;
7542 #endif /* CONFIG_TESTING_OPTIONS */
7543         } else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
7544                 if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
7545                         reply_len = -1;
7546         } else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
7547                 reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
7548                                                       reply_size);
7549         } else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
7550                 if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
7551                         reply_len = -1;
7552         } else if (os_strncmp(buf, "NEIGHBOR_REP_REQUEST", 20) == 0) {
7553                 if (wpas_ctrl_iface_send_neigbor_rep(wpa_s, buf + 20))
7554                         reply_len = -1;
7555         } else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
7556                 wpas_ctrl_iface_erp_flush(wpa_s);
7557         } else {
7558                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
7559                 reply_len = 16;
7560         }
7561
7562         if (reply_len < 0) {
7563                 os_memcpy(reply, "FAIL\n", 5);
7564                 reply_len = 5;
7565         }
7566
7567         *resp_len = reply_len;
7568         return reply;
7569 }
7570
7571
7572 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
7573                                            char *cmd)
7574 {
7575         struct wpa_interface iface;
7576         char *pos;
7577
7578         /*
7579          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
7580          * TAB<bridge_ifname>
7581          */
7582         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
7583
7584         os_memset(&iface, 0, sizeof(iface));
7585
7586         do {
7587                 iface.ifname = pos = cmd;
7588                 pos = os_strchr(pos, '\t');
7589                 if (pos)
7590                         *pos++ = '\0';
7591                 if (iface.ifname[0] == '\0')
7592                         return -1;
7593                 if (pos == NULL)
7594                         break;
7595
7596                 iface.confname = pos;
7597                 pos = os_strchr(pos, '\t');
7598                 if (pos)
7599                         *pos++ = '\0';
7600                 if (iface.confname[0] == '\0')
7601                         iface.confname = NULL;
7602                 if (pos == NULL)
7603                         break;
7604
7605                 iface.driver = pos;
7606                 pos = os_strchr(pos, '\t');
7607                 if (pos)
7608                         *pos++ = '\0';
7609                 if (iface.driver[0] == '\0')
7610                         iface.driver = NULL;
7611                 if (pos == NULL)
7612                         break;
7613
7614                 iface.ctrl_interface = pos;
7615                 pos = os_strchr(pos, '\t');
7616                 if (pos)
7617                         *pos++ = '\0';
7618                 if (iface.ctrl_interface[0] == '\0')
7619                         iface.ctrl_interface = NULL;
7620                 if (pos == NULL)
7621                         break;
7622
7623                 iface.driver_param = pos;
7624                 pos = os_strchr(pos, '\t');
7625                 if (pos)
7626                         *pos++ = '\0';
7627                 if (iface.driver_param[0] == '\0')
7628                         iface.driver_param = NULL;
7629                 if (pos == NULL)
7630                         break;
7631
7632                 iface.bridge_ifname = pos;
7633                 pos = os_strchr(pos, '\t');
7634                 if (pos)
7635                         *pos++ = '\0';
7636                 if (iface.bridge_ifname[0] == '\0')
7637                         iface.bridge_ifname = NULL;
7638                 if (pos == NULL)
7639                         break;
7640         } while (0);
7641
7642         if (wpa_supplicant_get_iface(global, iface.ifname))
7643                 return -1;
7644
7645         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
7646 }
7647
7648
7649 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
7650                                               char *cmd)
7651 {
7652         struct wpa_supplicant *wpa_s;
7653
7654         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
7655
7656         wpa_s = wpa_supplicant_get_iface(global, cmd);
7657         if (wpa_s == NULL)
7658                 return -1;
7659         return wpa_supplicant_remove_iface(global, wpa_s, 0);
7660 }
7661
7662
7663 static void wpa_free_iface_info(struct wpa_interface_info *iface)
7664 {
7665         struct wpa_interface_info *prev;
7666
7667         while (iface) {
7668                 prev = iface;
7669                 iface = iface->next;
7670
7671                 os_free(prev->ifname);
7672                 os_free(prev->desc);
7673                 os_free(prev);
7674         }
7675 }
7676
7677
7678 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
7679                                             char *buf, int len)
7680 {
7681         int i, res;
7682         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
7683         char *pos, *end;
7684
7685         for (i = 0; wpa_drivers[i]; i++) {
7686                 struct wpa_driver_ops *drv = wpa_drivers[i];
7687                 if (drv->get_interfaces == NULL)
7688                         continue;
7689                 tmp = drv->get_interfaces(global->drv_priv[i]);
7690                 if (tmp == NULL)
7691                         continue;
7692
7693                 if (last == NULL)
7694                         iface = last = tmp;
7695                 else
7696                         last->next = tmp;
7697                 while (last->next)
7698                         last = last->next;
7699         }
7700
7701         pos = buf;
7702         end = buf + len;
7703         for (tmp = iface; tmp; tmp = tmp->next) {
7704                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
7705                                   tmp->drv_name, tmp->ifname,
7706                                   tmp->desc ? tmp->desc : "");
7707                 if (os_snprintf_error(end - pos, res)) {
7708                         *pos = '\0';
7709                         break;
7710                 }
7711                 pos += res;
7712         }
7713
7714         wpa_free_iface_info(iface);
7715
7716         return pos - buf;
7717 }
7718
7719
7720 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
7721                                                   char *buf, int len)
7722 {
7723         int res;
7724         char *pos, *end;
7725         struct wpa_supplicant *wpa_s;
7726
7727         wpa_s = global->ifaces;
7728         pos = buf;
7729         end = buf + len;
7730
7731         while (wpa_s) {
7732                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
7733                 if (os_snprintf_error(end - pos, res)) {
7734                         *pos = '\0';
7735                         break;
7736                 }
7737                 pos += res;
7738                 wpa_s = wpa_s->next;
7739         }
7740         return pos - buf;
7741 }
7742
7743
7744 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
7745                                             const char *ifname,
7746                                             char *cmd, size_t *resp_len)
7747 {
7748         struct wpa_supplicant *wpa_s;
7749
7750         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
7751                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
7752                         break;
7753         }
7754
7755         if (wpa_s == NULL) {
7756                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
7757                 if (resp)
7758                         *resp_len = os_strlen(resp);
7759                 else
7760                         *resp_len = 1;
7761                 return resp;
7762         }
7763
7764         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
7765 }
7766
7767
7768 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
7769                                                char *buf, size_t *resp_len)
7770 {
7771 #ifdef CONFIG_P2P
7772         static const char * cmd[] = {
7773                 "LIST_NETWORKS",
7774                 "P2P_FIND",
7775                 "P2P_STOP_FIND",
7776                 "P2P_LISTEN",
7777                 "P2P_GROUP_ADD",
7778                 "P2P_GET_PASSPHRASE",
7779                 "P2P_SERVICE_UPDATE",
7780                 "P2P_SERVICE_FLUSH",
7781                 "P2P_FLUSH",
7782                 "P2P_CANCEL",
7783                 "P2P_PRESENCE_REQ",
7784                 "P2P_EXT_LISTEN",
7785                 NULL
7786         };
7787         static const char * prefix[] = {
7788 #ifdef ANDROID
7789                 "DRIVER ",
7790 #endif /* ANDROID */
7791                 "GET_NETWORK ",
7792                 "REMOVE_NETWORK ",
7793                 "P2P_FIND ",
7794                 "P2P_CONNECT ",
7795                 "P2P_LISTEN ",
7796                 "P2P_GROUP_REMOVE ",
7797                 "P2P_GROUP_ADD ",
7798                 "P2P_PROV_DISC ",
7799                 "P2P_SERV_DISC_REQ ",
7800                 "P2P_SERV_DISC_CANCEL_REQ ",
7801                 "P2P_SERV_DISC_RESP ",
7802                 "P2P_SERV_DISC_EXTERNAL ",
7803                 "P2P_SERVICE_ADD ",
7804                 "P2P_SERVICE_DEL ",
7805                 "P2P_REJECT ",
7806                 "P2P_INVITE ",
7807                 "P2P_PEER ",
7808                 "P2P_SET ",
7809                 "P2P_UNAUTHORIZE ",
7810                 "P2P_PRESENCE_REQ ",
7811                 "P2P_EXT_LISTEN ",
7812                 "P2P_REMOVE_CLIENT ",
7813                 "NFC_GET_HANDOVER_SEL ",
7814                 "NFC_GET_HANDOVER_REQ ",
7815                 "NFC_REPORT_HANDOVER ",
7816                 NULL
7817         };
7818         int found = 0;
7819         int i;
7820
7821         if (global->p2p_init_wpa_s == NULL)
7822                 return NULL;
7823
7824         for (i = 0; !found && cmd[i]; i++) {
7825                 if (os_strcmp(buf, cmd[i]) == 0)
7826                         found = 1;
7827         }
7828
7829         for (i = 0; !found && prefix[i]; i++) {
7830                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
7831                         found = 1;
7832         }
7833
7834         if (found)
7835                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
7836                                                          buf, resp_len);
7837 #endif /* CONFIG_P2P */
7838         return NULL;
7839 }
7840
7841
7842 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
7843                                                char *buf, size_t *resp_len)
7844 {
7845 #ifdef CONFIG_WIFI_DISPLAY
7846         if (global->p2p_init_wpa_s == NULL)
7847                 return NULL;
7848         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
7849             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
7850                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
7851                                                          buf, resp_len);
7852 #endif /* CONFIG_WIFI_DISPLAY */
7853         return NULL;
7854 }
7855
7856
7857 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
7858                                            char *buf, size_t *resp_len)
7859 {
7860         char *ret;
7861
7862         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
7863         if (ret)
7864                 return ret;
7865
7866         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
7867         if (ret)
7868                 return ret;
7869
7870         return NULL;
7871 }
7872
7873
7874 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
7875 {
7876         char *value;
7877
7878         value = os_strchr(cmd, ' ');
7879         if (value == NULL)
7880                 return -1;
7881         *value++ = '\0';
7882
7883         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
7884
7885 #ifdef CONFIG_WIFI_DISPLAY
7886         if (os_strcasecmp(cmd, "wifi_display") == 0) {
7887                 wifi_display_enable(global, !!atoi(value));
7888                 return 0;
7889         }
7890 #endif /* CONFIG_WIFI_DISPLAY */
7891
7892         /* Restore cmd to its original value to allow redirection */
7893         value[-1] = ' ';
7894
7895         return -1;
7896 }
7897
7898
7899 #ifndef CONFIG_NO_CONFIG_WRITE
7900 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
7901 {
7902         int ret = 0, saved = 0;
7903         struct wpa_supplicant *wpa_s;
7904
7905         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
7906                 if (!wpa_s->conf->update_config) {
7907                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
7908                         continue;
7909                 }
7910
7911                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
7912                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
7913                         ret = 1;
7914                 } else {
7915                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
7916                         saved++;
7917                 }
7918         }
7919
7920         if (!saved && !ret) {
7921                 wpa_dbg(wpa_s, MSG_DEBUG,
7922                         "CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
7923                 ret = 1;
7924         }
7925
7926         return ret;
7927 }
7928 #endif /* CONFIG_NO_CONFIG_WRITE */
7929
7930
7931 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
7932                                          char *buf, size_t buflen)
7933 {
7934         char *pos, *end;
7935         int ret;
7936         struct wpa_supplicant *wpa_s;
7937
7938         pos = buf;
7939         end = buf + buflen;
7940
7941 #ifdef CONFIG_P2P
7942         if (global->p2p && !global->p2p_disabled) {
7943                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
7944                                   "\n"
7945                                   "p2p_state=%s\n",
7946                                   MAC2STR(global->p2p_dev_addr),
7947                                   p2p_get_state_txt(global->p2p));
7948                 if (os_snprintf_error(end - pos, ret))
7949                         return pos - buf;
7950                 pos += ret;
7951         } else if (global->p2p) {
7952                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
7953                 if (os_snprintf_error(end - pos, ret))
7954                         return pos - buf;
7955                 pos += ret;
7956         }
7957 #endif /* CONFIG_P2P */
7958
7959 #ifdef CONFIG_WIFI_DISPLAY
7960         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
7961                           !!global->wifi_display);
7962         if (os_snprintf_error(end - pos, ret))
7963                 return pos - buf;
7964         pos += ret;
7965 #endif /* CONFIG_WIFI_DISPLAY */
7966
7967         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
7968                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
7969                                   "address=" MACSTR "\n",
7970                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
7971                 if (os_snprintf_error(end - pos, ret))
7972                         return pos - buf;
7973                 pos += ret;
7974         }
7975
7976         return pos - buf;
7977 }
7978
7979
7980 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
7981                                                 char *buf, size_t *resp_len)
7982 {
7983         char *reply;
7984         const int reply_size = 2048;
7985         int reply_len;
7986         int level = MSG_DEBUG;
7987
7988         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
7989                 char *pos = os_strchr(buf + 7, ' ');
7990                 if (pos) {
7991                         *pos++ = '\0';
7992                         return wpas_global_ctrl_iface_ifname(global,
7993                                                              buf + 7, pos,
7994                                                              resp_len);
7995                 }
7996         }
7997
7998         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
7999         if (reply)
8000                 return reply;
8001
8002         if (os_strcmp(buf, "PING") == 0)
8003                 level = MSG_EXCESSIVE;
8004         wpa_hexdump_ascii(level, "RX global ctrl_iface",
8005                           (const u8 *) buf, os_strlen(buf));
8006
8007         reply = os_malloc(reply_size);
8008         if (reply == NULL) {
8009                 *resp_len = 1;
8010                 return NULL;
8011         }
8012
8013         os_memcpy(reply, "OK\n", 3);
8014         reply_len = 3;
8015
8016         if (os_strcmp(buf, "PING") == 0) {
8017                 os_memcpy(reply, "PONG\n", 5);
8018                 reply_len = 5;
8019         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
8020                 if (wpa_supplicant_global_iface_add(global, buf + 14))
8021                         reply_len = -1;
8022         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
8023                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
8024                         reply_len = -1;
8025         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
8026                 reply_len = wpa_supplicant_global_iface_list(
8027                         global, reply, reply_size);
8028         } else if (os_strcmp(buf, "INTERFACES") == 0) {
8029                 reply_len = wpa_supplicant_global_iface_interfaces(
8030                         global, reply, reply_size);
8031         } else if (os_strcmp(buf, "TERMINATE") == 0) {
8032                 wpa_supplicant_terminate_proc(global);
8033         } else if (os_strcmp(buf, "SUSPEND") == 0) {
8034                 wpas_notify_suspend(global);
8035         } else if (os_strcmp(buf, "RESUME") == 0) {
8036                 wpas_notify_resume(global);
8037         } else if (os_strncmp(buf, "SET ", 4) == 0) {
8038                 if (wpas_global_ctrl_iface_set(global, buf + 4)) {
8039 #ifdef CONFIG_P2P
8040                         if (global->p2p_init_wpa_s) {
8041                                 os_free(reply);
8042                                 /* Check if P2P redirection would work for this
8043                                  * command. */
8044                                 return wpa_supplicant_ctrl_iface_process(
8045                                         global->p2p_init_wpa_s,
8046                                         buf, resp_len);
8047                         }
8048 #endif /* CONFIG_P2P */
8049                         reply_len = -1;
8050                 }
8051 #ifndef CONFIG_NO_CONFIG_WRITE
8052         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
8053                 if (wpas_global_ctrl_iface_save_config(global))
8054                         reply_len = -1;
8055 #endif /* CONFIG_NO_CONFIG_WRITE */
8056         } else if (os_strcmp(buf, "STATUS") == 0) {
8057                 reply_len = wpas_global_ctrl_iface_status(global, reply,
8058                                                           reply_size);
8059 #ifdef CONFIG_MODULE_TESTS
8060         } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
8061                 int wpas_module_tests(void);
8062                 if (wpas_module_tests() < 0)
8063                         reply_len = -1;
8064 #endif /* CONFIG_MODULE_TESTS */
8065         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
8066                 if (wpa_debug_reopen_file() < 0)
8067                         reply_len = -1;
8068         } else {
8069                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
8070                 reply_len = 16;
8071         }
8072
8073         if (reply_len < 0) {
8074                 os_memcpy(reply, "FAIL\n", 5);
8075                 reply_len = 5;
8076         }
8077
8078         *resp_len = reply_len;
8079         return reply;
8080 }