Remove unnecessary NULL check from LOG_LEVEL handler
[mech_eap.git] / wpa_supplicant / ctrl_iface.c
1 /*
2  * WPA Supplicant / Control interface (shared code for all backends)
3  * Copyright (c) 2004-2015, 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 "crypto/tls.h"
23 #include "ap/hostapd.h"
24 #include "eap_peer/eap.h"
25 #include "eapol_supp/eapol_supp_sm.h"
26 #include "rsn_supp/wpa.h"
27 #include "rsn_supp/preauth.h"
28 #include "rsn_supp/pmksa_cache.h"
29 #include "l2_packet/l2_packet.h"
30 #include "wps/wps.h"
31 #include "fst/fst.h"
32 #include "fst/fst_ctrl_iface.h"
33 #include "config.h"
34 #include "wpa_supplicant_i.h"
35 #include "driver_i.h"
36 #include "wps_supplicant.h"
37 #include "ibss_rsn.h"
38 #include "ap.h"
39 #include "p2p_supplicant.h"
40 #include "p2p/p2p.h"
41 #include "hs20_supplicant.h"
42 #include "wifi_display.h"
43 #include "notify.h"
44 #include "bss.h"
45 #include "scan.h"
46 #include "ctrl_iface.h"
47 #include "interworking.h"
48 #include "blacklist.h"
49 #include "autoscan.h"
50 #include "wnm_sta.h"
51 #include "offchannel.h"
52 #include "drivers/driver.h"
53 #include "mesh.h"
54
55 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
56                                             char *buf, int len);
57 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
58                                                   char *buf, int len);
59 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s,
60                                         char *val);
61
62 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
63 {
64         char *pos;
65         u8 addr[ETH_ALEN], *filter = NULL, *n;
66         size_t count = 0;
67
68         pos = val;
69         while (pos) {
70                 if (*pos == '\0')
71                         break;
72                 if (hwaddr_aton(pos, addr)) {
73                         os_free(filter);
74                         return -1;
75                 }
76                 n = os_realloc_array(filter, count + 1, ETH_ALEN);
77                 if (n == NULL) {
78                         os_free(filter);
79                         return -1;
80                 }
81                 filter = n;
82                 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
83                 count++;
84
85                 pos = os_strchr(pos, ' ');
86                 if (pos)
87                         pos++;
88         }
89
90         wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
91         os_free(wpa_s->bssid_filter);
92         wpa_s->bssid_filter = filter;
93         wpa_s->bssid_filter_count = count;
94
95         return 0;
96 }
97
98
99 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
100 {
101         char *pos;
102         u8 addr[ETH_ALEN], *bssid = NULL, *n;
103         struct wpa_ssid_value *ssid = NULL, *ns;
104         size_t count = 0, ssid_count = 0;
105         struct wpa_ssid *c;
106
107         /*
108          * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | ""
109          * SSID_SPEC ::= ssid <SSID_HEX>
110          * BSSID_SPEC ::= bssid <BSSID_HEX>
111          */
112
113         pos = val;
114         while (pos) {
115                 if (*pos == '\0')
116                         break;
117                 if (os_strncmp(pos, "bssid ", 6) == 0) {
118                         int res;
119                         pos += 6;
120                         res = hwaddr_aton2(pos, addr);
121                         if (res < 0) {
122                                 os_free(ssid);
123                                 os_free(bssid);
124                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
125                                            "BSSID value '%s'", pos);
126                                 return -1;
127                         }
128                         pos += res;
129                         n = os_realloc_array(bssid, count + 1, ETH_ALEN);
130                         if (n == NULL) {
131                                 os_free(ssid);
132                                 os_free(bssid);
133                                 return -1;
134                         }
135                         bssid = n;
136                         os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
137                         count++;
138                 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
139                         char *end;
140                         pos += 5;
141
142                         end = pos;
143                         while (*end) {
144                                 if (*end == '\0' || *end == ' ')
145                                         break;
146                                 end++;
147                         }
148
149                         ns = os_realloc_array(ssid, ssid_count + 1,
150                                               sizeof(struct wpa_ssid_value));
151                         if (ns == NULL) {
152                                 os_free(ssid);
153                                 os_free(bssid);
154                                 return -1;
155                         }
156                         ssid = ns;
157
158                         if ((end - pos) & 0x01 ||
159                             end - pos > 2 * SSID_MAX_LEN ||
160                             hexstr2bin(pos, ssid[ssid_count].ssid,
161                                        (end - pos) / 2) < 0) {
162                                 os_free(ssid);
163                                 os_free(bssid);
164                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
165                                            "SSID value '%s'", pos);
166                                 return -1;
167                         }
168                         ssid[ssid_count].ssid_len = (end - pos) / 2;
169                         wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
170                                           ssid[ssid_count].ssid,
171                                           ssid[ssid_count].ssid_len);
172                         ssid_count++;
173                         pos = end;
174                 } else {
175                         wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
176                                    "'%s'", pos);
177                         os_free(ssid);
178                         os_free(bssid);
179                         return -1;
180                 }
181
182                 pos = os_strchr(pos, ' ');
183                 if (pos)
184                         pos++;
185         }
186
187         wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
188         os_free(wpa_s->disallow_aps_bssid);
189         wpa_s->disallow_aps_bssid = bssid;
190         wpa_s->disallow_aps_bssid_count = count;
191
192         wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
193         os_free(wpa_s->disallow_aps_ssid);
194         wpa_s->disallow_aps_ssid = ssid;
195         wpa_s->disallow_aps_ssid_count = ssid_count;
196
197         if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
198                 return 0;
199
200         c = wpa_s->current_ssid;
201         if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
202                 return 0;
203
204         if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
205             !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
206                 return 0;
207
208         wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
209                    "because current AP was marked disallowed");
210
211 #ifdef CONFIG_SME
212         wpa_s->sme.prev_bssid_set = 0;
213 #endif /* CONFIG_SME */
214         wpa_s->reassociate = 1;
215         wpa_s->own_disconnect_req = 1;
216         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
217         wpa_supplicant_req_scan(wpa_s, 0, 0);
218
219         return 0;
220 }
221
222
223 #ifndef CONFIG_NO_CONFIG_BLOBS
224 static int wpas_ctrl_set_blob(struct wpa_supplicant *wpa_s, char *pos)
225 {
226         char *name = pos;
227         struct wpa_config_blob *blob;
228         size_t len;
229
230         pos = os_strchr(pos, ' ');
231         if (pos == NULL)
232                 return -1;
233         *pos++ = '\0';
234         len = os_strlen(pos);
235         if (len & 1)
236                 return -1;
237
238         wpa_printf(MSG_DEBUG, "CTRL: Set blob '%s'", name);
239         blob = os_zalloc(sizeof(*blob));
240         if (blob == NULL)
241                 return -1;
242         blob->name = os_strdup(name);
243         blob->data = os_malloc(len / 2);
244         if (blob->name == NULL || blob->data == NULL) {
245                 wpa_config_free_blob(blob);
246                 return -1;
247         }
248
249         if (hexstr2bin(pos, blob->data, len / 2) < 0) {
250                 wpa_printf(MSG_DEBUG, "CTRL: Invalid blob hex data");
251                 wpa_config_free_blob(blob);
252                 return -1;
253         }
254         blob->len = len / 2;
255
256         wpa_config_set_blob(wpa_s->conf, blob);
257
258         return 0;
259 }
260 #endif /* CONFIG_NO_CONFIG_BLOBS */
261
262
263 static int wpas_ctrl_pno(struct wpa_supplicant *wpa_s, char *cmd)
264 {
265         char *params;
266         char *pos;
267         int *freqs = NULL;
268         int ret;
269
270         if (atoi(cmd)) {
271                 params = os_strchr(cmd, ' ');
272                 os_free(wpa_s->manual_sched_scan_freqs);
273                 if (params) {
274                         params++;
275                         pos = os_strstr(params, "freq=");
276                         if (pos)
277                                 freqs = freq_range_to_channel_list(wpa_s,
278                                                                    pos + 5);
279                 }
280                 wpa_s->manual_sched_scan_freqs = freqs;
281                 ret = wpas_start_pno(wpa_s);
282         } else {
283                 ret = wpas_stop_pno(wpa_s);
284         }
285         return ret;
286 }
287
288
289 static int wpas_ctrl_set_band(struct wpa_supplicant *wpa_s, char *band)
290 {
291         union wpa_event_data event;
292
293         if (os_strcmp(band, "AUTO") == 0)
294                 wpa_s->setband = WPA_SETBAND_AUTO;
295         else if (os_strcmp(band, "5G") == 0)
296                 wpa_s->setband = WPA_SETBAND_5G;
297         else if (os_strcmp(band, "2G") == 0)
298                 wpa_s->setband = WPA_SETBAND_2G;
299         else
300                 return -1;
301
302         if (wpa_drv_setband(wpa_s, wpa_s->setband) == 0) {
303                 os_memset(&event, 0, sizeof(event));
304                 event.channel_list_changed.initiator = REGDOM_SET_BY_USER;
305                 event.channel_list_changed.type = REGDOM_TYPE_UNKNOWN;
306                 wpa_supplicant_event(wpa_s, EVENT_CHANNEL_LIST_CHANGED, &event);
307         }
308
309         return 0;
310 }
311
312
313 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
314                                          char *cmd)
315 {
316         char *value;
317         int ret = 0;
318
319         value = os_strchr(cmd, ' ');
320         if (value == NULL)
321                 return -1;
322         *value++ = '\0';
323
324         wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
325         if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
326                 eapol_sm_configure(wpa_s->eapol,
327                                    atoi(value), -1, -1, -1);
328         } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
329                 eapol_sm_configure(wpa_s->eapol,
330                                    -1, atoi(value), -1, -1);
331         } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
332                 eapol_sm_configure(wpa_s->eapol,
333                                    -1, -1, atoi(value), -1);
334         } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
335                 eapol_sm_configure(wpa_s->eapol,
336                                    -1, -1, -1, atoi(value));
337         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
338                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
339                                      atoi(value)))
340                         ret = -1;
341         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
342                    0) {
343                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
344                                      atoi(value)))
345                         ret = -1;
346         } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
347                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
348                         ret = -1;
349         } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
350                 wpa_s->wps_fragment_size = atoi(value);
351 #ifdef CONFIG_WPS_TESTING
352         } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
353                 long int val;
354                 val = strtol(value, NULL, 0);
355                 if (val < 0 || val > 0xff) {
356                         ret = -1;
357                         wpa_printf(MSG_DEBUG, "WPS: Invalid "
358                                    "wps_version_number %ld", val);
359                 } else {
360                         wps_version_number = val;
361                         wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
362                                    "version %u.%u",
363                                    (wps_version_number & 0xf0) >> 4,
364                                    wps_version_number & 0x0f);
365                 }
366         } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
367                 wps_testing_dummy_cred = atoi(value);
368                 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
369                            wps_testing_dummy_cred);
370         } else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
371                 wps_corrupt_pkhash = atoi(value);
372                 wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
373                            wps_corrupt_pkhash);
374 #endif /* CONFIG_WPS_TESTING */
375         } else if (os_strcasecmp(cmd, "ampdu") == 0) {
376                 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
377                         ret = -1;
378 #ifdef CONFIG_TDLS
379 #ifdef CONFIG_TDLS_TESTING
380         } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
381                 extern unsigned int tdls_testing;
382                 tdls_testing = strtol(value, NULL, 0);
383                 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
384 #endif /* CONFIG_TDLS_TESTING */
385         } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
386                 int disabled = atoi(value);
387                 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
388                 if (disabled) {
389                         if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
390                                 ret = -1;
391                 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
392                         ret = -1;
393                 wpa_tdls_enable(wpa_s->wpa, !disabled);
394 #endif /* CONFIG_TDLS */
395         } else if (os_strcasecmp(cmd, "pno") == 0) {
396                 ret = wpas_ctrl_pno(wpa_s, value);
397         } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
398                 int disabled = atoi(value);
399                 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
400                         ret = -1;
401                 else if (disabled)
402                         wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
403         } else if (os_strcasecmp(cmd, "uapsd") == 0) {
404                 if (os_strcmp(value, "disable") == 0)
405                         wpa_s->set_sta_uapsd = 0;
406                 else {
407                         int be, bk, vi, vo;
408                         char *pos;
409                         /* format: BE,BK,VI,VO;max SP Length */
410                         be = atoi(value);
411                         pos = os_strchr(value, ',');
412                         if (pos == NULL)
413                                 return -1;
414                         pos++;
415                         bk = atoi(pos);
416                         pos = os_strchr(pos, ',');
417                         if (pos == NULL)
418                                 return -1;
419                         pos++;
420                         vi = atoi(pos);
421                         pos = os_strchr(pos, ',');
422                         if (pos == NULL)
423                                 return -1;
424                         pos++;
425                         vo = atoi(pos);
426                         /* ignore max SP Length for now */
427
428                         wpa_s->set_sta_uapsd = 1;
429                         wpa_s->sta_uapsd = 0;
430                         if (be)
431                                 wpa_s->sta_uapsd |= BIT(0);
432                         if (bk)
433                                 wpa_s->sta_uapsd |= BIT(1);
434                         if (vi)
435                                 wpa_s->sta_uapsd |= BIT(2);
436                         if (vo)
437                                 wpa_s->sta_uapsd |= BIT(3);
438                 }
439         } else if (os_strcasecmp(cmd, "ps") == 0) {
440                 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
441 #ifdef CONFIG_WIFI_DISPLAY
442         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
443                 int enabled = !!atoi(value);
444                 if (enabled && !wpa_s->global->p2p)
445                         ret = -1;
446                 else
447                         wifi_display_enable(wpa_s->global, enabled);
448 #endif /* CONFIG_WIFI_DISPLAY */
449         } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
450                 ret = set_bssid_filter(wpa_s, value);
451         } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
452                 ret = set_disallow_aps(wpa_s, value);
453         } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
454                 wpa_s->no_keep_alive = !!atoi(value);
455 #ifdef CONFIG_TESTING_OPTIONS
456         } else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) {
457                 wpa_s->ext_mgmt_frame_handling = !!atoi(value);
458         } else if (os_strcasecmp(cmd, "ext_eapol_frame_io") == 0) {
459                 wpa_s->ext_eapol_frame_io = !!atoi(value);
460 #ifdef CONFIG_AP
461                 if (wpa_s->ap_iface) {
462                         wpa_s->ap_iface->bss[0]->ext_eapol_frame_io =
463                                 wpa_s->ext_eapol_frame_io;
464                 }
465 #endif /* CONFIG_AP */
466         } else if (os_strcasecmp(cmd, "extra_roc_dur") == 0) {
467                 wpa_s->extra_roc_dur = atoi(value);
468         } else if (os_strcasecmp(cmd, "test_failure") == 0) {
469                 wpa_s->test_failure = atoi(value);
470 #endif /* CONFIG_TESTING_OPTIONS */
471 #ifndef CONFIG_NO_CONFIG_BLOBS
472         } else if (os_strcmp(cmd, "blob") == 0) {
473                 ret = wpas_ctrl_set_blob(wpa_s, value);
474 #endif /* CONFIG_NO_CONFIG_BLOBS */
475         } else if (os_strcasecmp(cmd, "setband") == 0) {
476                 ret = wpas_ctrl_set_band(wpa_s, value);
477         } else {
478                 value[-1] = '=';
479                 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
480                 if (ret == 0)
481                         wpa_supplicant_update_config(wpa_s);
482         }
483
484         return ret;
485 }
486
487
488 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
489                                          char *cmd, char *buf, size_t buflen)
490 {
491         int res = -1;
492
493         wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
494
495         if (os_strcmp(cmd, "version") == 0) {
496                 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
497         } else if (os_strcasecmp(cmd, "country") == 0) {
498                 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
499                         res = os_snprintf(buf, buflen, "%c%c",
500                                           wpa_s->conf->country[0],
501                                           wpa_s->conf->country[1]);
502 #ifdef CONFIG_WIFI_DISPLAY
503         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
504                 int enabled;
505                 if (wpa_s->global->p2p == NULL ||
506                     wpa_s->global->p2p_disabled)
507                         enabled = 0;
508                 else
509                         enabled = wpa_s->global->wifi_display;
510                 res = os_snprintf(buf, buflen, "%d", enabled);
511 #endif /* CONFIG_WIFI_DISPLAY */
512 #ifdef CONFIG_TESTING_GET_GTK
513         } else if (os_strcmp(cmd, "gtk") == 0) {
514                 if (wpa_s->last_gtk_len == 0)
515                         return -1;
516                 res = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk,
517                                        wpa_s->last_gtk_len);
518                 return res;
519 #endif /* CONFIG_TESTING_GET_GTK */
520         } else if (os_strcmp(cmd, "tls_library") == 0) {
521                 res = tls_get_library_version(buf, buflen);
522         } else {
523                 res = wpa_config_get_value(cmd, wpa_s->conf, buf, buflen);
524         }
525
526         if (os_snprintf_error(buflen, res))
527                 return -1;
528         return res;
529 }
530
531
532 #ifdef IEEE8021X_EAPOL
533 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
534                                              char *addr)
535 {
536         u8 bssid[ETH_ALEN];
537         struct wpa_ssid *ssid = wpa_s->current_ssid;
538
539         if (hwaddr_aton(addr, bssid)) {
540                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
541                            "'%s'", addr);
542                 return -1;
543         }
544
545         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
546         rsn_preauth_deinit(wpa_s->wpa);
547         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
548                 return -1;
549
550         return 0;
551 }
552 #endif /* IEEE8021X_EAPOL */
553
554
555 #ifdef CONFIG_PEERKEY
556 /* MLME-STKSTART.request(peer) */
557 static int wpa_supplicant_ctrl_iface_stkstart(
558         struct wpa_supplicant *wpa_s, char *addr)
559 {
560         u8 peer[ETH_ALEN];
561
562         if (hwaddr_aton(addr, peer)) {
563                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
564                            "address '%s'", addr);
565                 return -1;
566         }
567
568         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
569                    MAC2STR(peer));
570
571         return wpa_sm_stkstart(wpa_s->wpa, peer);
572 }
573 #endif /* CONFIG_PEERKEY */
574
575
576 #ifdef CONFIG_TDLS
577
578 static int wpa_supplicant_ctrl_iface_tdls_discover(
579         struct wpa_supplicant *wpa_s, char *addr)
580 {
581         u8 peer[ETH_ALEN];
582         int ret;
583
584         if (hwaddr_aton(addr, peer)) {
585                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
586                            "address '%s'", addr);
587                 return -1;
588         }
589
590         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
591                    MAC2STR(peer));
592
593         if (wpa_tdls_is_external_setup(wpa_s->wpa))
594                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
595         else
596                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
597
598         return ret;
599 }
600
601
602 static int wpa_supplicant_ctrl_iface_tdls_setup(
603         struct wpa_supplicant *wpa_s, char *addr)
604 {
605         u8 peer[ETH_ALEN];
606         int ret;
607
608         if (hwaddr_aton(addr, peer)) {
609                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
610                            "address '%s'", addr);
611                 return -1;
612         }
613
614         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " 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_SETUP, peer);
620
621         wpa_tdls_remove(wpa_s->wpa, peer);
622
623         if (wpa_tdls_is_external_setup(wpa_s->wpa))
624                 ret = wpa_tdls_start(wpa_s->wpa, peer);
625         else
626                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
627
628         return ret;
629 }
630
631
632 static int wpa_supplicant_ctrl_iface_tdls_teardown(
633         struct wpa_supplicant *wpa_s, char *addr)
634 {
635         u8 peer[ETH_ALEN];
636         int ret;
637
638         if (os_strcmp(addr, "*") == 0) {
639                 /* remove everyone */
640                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN *");
641                 wpa_tdls_teardown_peers(wpa_s->wpa);
642                 return 0;
643         }
644
645         if (hwaddr_aton(addr, peer)) {
646                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
647                            "address '%s'", addr);
648                 return -1;
649         }
650
651         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
652                    MAC2STR(peer));
653
654         if ((wpa_s->conf->tdls_external_control) &&
655             wpa_tdls_is_external_setup(wpa_s->wpa))
656                 return wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
657
658         if (wpa_tdls_is_external_setup(wpa_s->wpa))
659                 ret = wpa_tdls_teardown_link(
660                         wpa_s->wpa, peer,
661                         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
662         else
663                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
664
665         return ret;
666 }
667
668
669 static int ctrl_iface_get_capability_tdls(
670         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
671 {
672         int ret;
673
674         ret = os_snprintf(buf, buflen, "%s\n",
675                           wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT ?
676                           (wpa_s->drv_flags &
677                            WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP ?
678                            "EXTERNAL" : "INTERNAL") : "UNSUPPORTED");
679         if (os_snprintf_error(buflen, ret))
680                 return -1;
681         return ret;
682 }
683
684
685 static int wpa_supplicant_ctrl_iface_tdls_chan_switch(
686         struct wpa_supplicant *wpa_s, char *cmd)
687 {
688         u8 peer[ETH_ALEN];
689         struct hostapd_freq_params freq_params;
690         u8 oper_class;
691         char *pos, *end;
692
693         if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
694                 wpa_printf(MSG_INFO,
695                            "tdls_chanswitch: Only supported with external setup");
696                 return -1;
697         }
698
699         os_memset(&freq_params, 0, sizeof(freq_params));
700
701         pos = os_strchr(cmd, ' ');
702         if (pos == NULL)
703                 return -1;
704         *pos++ = '\0';
705
706         oper_class = strtol(pos, &end, 10);
707         if (pos == end) {
708                 wpa_printf(MSG_INFO,
709                            "tdls_chanswitch: Invalid op class provided");
710                 return -1;
711         }
712
713         pos = end;
714         freq_params.freq = atoi(pos);
715         if (freq_params.freq == 0) {
716                 wpa_printf(MSG_INFO, "tdls_chanswitch: Invalid freq provided");
717                 return -1;
718         }
719
720 #define SET_FREQ_SETTING(str) \
721         do { \
722                 const char *pos2 = os_strstr(pos, " " #str "="); \
723                 if (pos2) { \
724                         pos2 += sizeof(" " #str "=") - 1; \
725                         freq_params.str = atoi(pos2); \
726                 } \
727         } while (0)
728
729         SET_FREQ_SETTING(center_freq1);
730         SET_FREQ_SETTING(center_freq2);
731         SET_FREQ_SETTING(bandwidth);
732         SET_FREQ_SETTING(sec_channel_offset);
733 #undef SET_FREQ_SETTING
734
735         freq_params.ht_enabled = !!os_strstr(pos, " ht");
736         freq_params.vht_enabled = !!os_strstr(pos, " vht");
737
738         if (hwaddr_aton(cmd, peer)) {
739                 wpa_printf(MSG_DEBUG,
740                            "CTRL_IFACE TDLS_CHAN_SWITCH: Invalid address '%s'",
741                            cmd);
742                 return -1;
743         }
744
745         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CHAN_SWITCH " MACSTR
746                    " OP CLASS %d FREQ %d CENTER1 %d CENTER2 %d BW %d SEC_OFFSET %d%s%s",
747                    MAC2STR(peer), oper_class, freq_params.freq,
748                    freq_params.center_freq1, freq_params.center_freq2,
749                    freq_params.bandwidth, freq_params.sec_channel_offset,
750                    freq_params.ht_enabled ? " HT" : "",
751                    freq_params.vht_enabled ? " VHT" : "");
752
753         return wpa_tdls_enable_chan_switch(wpa_s->wpa, peer, oper_class,
754                                            &freq_params);
755 }
756
757
758 static int wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(
759         struct wpa_supplicant *wpa_s, char *cmd)
760 {
761         u8 peer[ETH_ALEN];
762
763         if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
764                 wpa_printf(MSG_INFO,
765                            "tdls_chanswitch: Only supported with external setup");
766                 return -1;
767         }
768
769         if (hwaddr_aton(cmd, peer)) {
770                 wpa_printf(MSG_DEBUG,
771                            "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH: Invalid address '%s'",
772                            cmd);
773                 return -1;
774         }
775
776         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH " MACSTR,
777                    MAC2STR(peer));
778
779         return wpa_tdls_disable_chan_switch(wpa_s->wpa, peer);
780 }
781
782
783 static int wpa_supplicant_ctrl_iface_tdls_link_status(
784         struct wpa_supplicant *wpa_s, const char *addr,
785         char *buf, size_t buflen)
786 {
787         u8 peer[ETH_ALEN];
788         const char *tdls_status;
789         int ret;
790
791         if (hwaddr_aton(addr, peer)) {
792                 wpa_printf(MSG_DEBUG,
793                            "CTRL_IFACE TDLS_LINK_STATUS: Invalid address '%s'",
794                            addr);
795                 return -1;
796         }
797         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_LINK_STATUS " MACSTR,
798                    MAC2STR(peer));
799
800         tdls_status = wpa_tdls_get_link_status(wpa_s->wpa, peer);
801         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_LINK_STATUS: %s", tdls_status);
802         ret = os_snprintf(buf, buflen, "TDLS link status: %s\n", tdls_status);
803         if (os_snprintf_error(buflen, ret))
804                 return -1;
805
806         return ret;
807 }
808
809 #endif /* CONFIG_TDLS */
810
811
812 static int wmm_ac_ctrl_addts(struct wpa_supplicant *wpa_s, char *cmd)
813 {
814         char *token, *context = NULL;
815         struct wmm_ac_ts_setup_params params = {
816                 .tsid = 0xff,
817                 .direction = 0xff,
818         };
819
820         while ((token = str_token(cmd, " ", &context))) {
821                 if (sscanf(token, "tsid=%i", &params.tsid) == 1 ||
822                     sscanf(token, "up=%i", &params.user_priority) == 1 ||
823                     sscanf(token, "nominal_msdu_size=%i",
824                            &params.nominal_msdu_size) == 1 ||
825                     sscanf(token, "mean_data_rate=%i",
826                            &params.mean_data_rate) == 1 ||
827                     sscanf(token, "min_phy_rate=%i",
828                            &params.minimum_phy_rate) == 1 ||
829                     sscanf(token, "sba=%i",
830                            &params.surplus_bandwidth_allowance) == 1)
831                         continue;
832
833                 if (os_strcasecmp(token, "downlink") == 0) {
834                         params.direction = WMM_TSPEC_DIRECTION_DOWNLINK;
835                 } else if (os_strcasecmp(token, "uplink") == 0) {
836                         params.direction = WMM_TSPEC_DIRECTION_UPLINK;
837                 } else if (os_strcasecmp(token, "bidi") == 0) {
838                         params.direction = WMM_TSPEC_DIRECTION_BI_DIRECTIONAL;
839                 } else if (os_strcasecmp(token, "fixed_nominal_msdu") == 0) {
840                         params.fixed_nominal_msdu = 1;
841                 } else {
842                         wpa_printf(MSG_DEBUG,
843                                    "CTRL: Invalid WMM_AC_ADDTS parameter: '%s'",
844                                    token);
845                         return -1;
846                 }
847
848         }
849
850         return wpas_wmm_ac_addts(wpa_s, &params);
851 }
852
853
854 static int wmm_ac_ctrl_delts(struct wpa_supplicant *wpa_s, char *cmd)
855 {
856         u8 tsid = atoi(cmd);
857
858         return wpas_wmm_ac_delts(wpa_s, tsid);
859 }
860
861
862 #ifdef CONFIG_IEEE80211R
863 static int wpa_supplicant_ctrl_iface_ft_ds(
864         struct wpa_supplicant *wpa_s, char *addr)
865 {
866         u8 target_ap[ETH_ALEN];
867         struct wpa_bss *bss;
868         const u8 *mdie;
869
870         if (hwaddr_aton(addr, target_ap)) {
871                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
872                            "address '%s'", addr);
873                 return -1;
874         }
875
876         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
877
878         bss = wpa_bss_get_bssid(wpa_s, target_ap);
879         if (bss)
880                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
881         else
882                 mdie = NULL;
883
884         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
885 }
886 #endif /* CONFIG_IEEE80211R */
887
888
889 #ifdef CONFIG_WPS
890 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
891                                              char *cmd)
892 {
893         u8 bssid[ETH_ALEN], *_bssid = bssid;
894 #ifdef CONFIG_P2P
895         u8 p2p_dev_addr[ETH_ALEN];
896 #endif /* CONFIG_P2P */
897 #ifdef CONFIG_AP
898         u8 *_p2p_dev_addr = NULL;
899 #endif /* CONFIG_AP */
900
901         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
902                 _bssid = NULL;
903 #ifdef CONFIG_P2P
904         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
905                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
906                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
907                                    "P2P Device Address '%s'",
908                                    cmd + 13);
909                         return -1;
910                 }
911                 _p2p_dev_addr = p2p_dev_addr;
912 #endif /* CONFIG_P2P */
913         } else if (hwaddr_aton(cmd, bssid)) {
914                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
915                            cmd);
916                 return -1;
917         }
918
919 #ifdef CONFIG_AP
920         if (wpa_s->ap_iface)
921                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
922 #endif /* CONFIG_AP */
923
924         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
925 }
926
927
928 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
929                                              char *cmd, char *buf,
930                                              size_t buflen)
931 {
932         u8 bssid[ETH_ALEN], *_bssid = bssid;
933         char *pin;
934         int ret;
935
936         pin = os_strchr(cmd, ' ');
937         if (pin)
938                 *pin++ = '\0';
939
940         if (os_strcmp(cmd, "any") == 0)
941                 _bssid = NULL;
942         else if (os_strcmp(cmd, "get") == 0) {
943                 ret = wps_generate_pin();
944                 goto done;
945         } else if (hwaddr_aton(cmd, bssid)) {
946                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
947                            cmd);
948                 return -1;
949         }
950
951 #ifdef CONFIG_AP
952         if (wpa_s->ap_iface) {
953                 int timeout = 0;
954                 char *pos;
955
956                 if (pin) {
957                         pos = os_strchr(pin, ' ');
958                         if (pos) {
959                                 *pos++ = '\0';
960                                 timeout = atoi(pos);
961                         }
962                 }
963
964                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
965                                                  buf, buflen, timeout);
966         }
967 #endif /* CONFIG_AP */
968
969         if (pin) {
970                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
971                                          DEV_PW_DEFAULT);
972                 if (ret < 0)
973                         return -1;
974                 ret = os_snprintf(buf, buflen, "%s", pin);
975                 if (os_snprintf_error(buflen, ret))
976                         return -1;
977                 return ret;
978         }
979
980         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
981         if (ret < 0)
982                 return -1;
983
984 done:
985         /* Return the generated PIN */
986         ret = os_snprintf(buf, buflen, "%08d", ret);
987         if (os_snprintf_error(buflen, ret))
988                 return -1;
989         return ret;
990 }
991
992
993 static int wpa_supplicant_ctrl_iface_wps_check_pin(
994         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
995 {
996         char pin[9];
997         size_t len;
998         char *pos;
999         int ret;
1000
1001         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
1002                               (u8 *) cmd, os_strlen(cmd));
1003         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
1004                 if (*pos < '0' || *pos > '9')
1005                         continue;
1006                 pin[len++] = *pos;
1007                 if (len == 9) {
1008                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
1009                         return -1;
1010                 }
1011         }
1012         if (len != 4 && len != 8) {
1013                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
1014                 return -1;
1015         }
1016         pin[len] = '\0';
1017
1018         if (len == 8) {
1019                 unsigned int pin_val;
1020                 pin_val = atoi(pin);
1021                 if (!wps_pin_valid(pin_val)) {
1022                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
1023                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
1024                         if (os_snprintf_error(buflen, ret))
1025                                 return -1;
1026                         return ret;
1027                 }
1028         }
1029
1030         ret = os_snprintf(buf, buflen, "%s", pin);
1031         if (os_snprintf_error(buflen, ret))
1032                 return -1;
1033
1034         return ret;
1035 }
1036
1037
1038 #ifdef CONFIG_WPS_NFC
1039
1040 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
1041                                              char *cmd)
1042 {
1043         u8 bssid[ETH_ALEN], *_bssid = bssid;
1044
1045         if (cmd == NULL || cmd[0] == '\0')
1046                 _bssid = NULL;
1047         else if (hwaddr_aton(cmd, bssid))
1048                 return -1;
1049
1050         return wpas_wps_start_nfc(wpa_s, NULL, _bssid, NULL, 0, 0, NULL, NULL,
1051                                   0, 0);
1052 }
1053
1054
1055 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
1056         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1057 {
1058         int ndef;
1059         struct wpabuf *buf;
1060         int res;
1061         char *pos;
1062
1063         pos = os_strchr(cmd, ' ');
1064         if (pos)
1065                 *pos++ = '\0';
1066         if (os_strcmp(cmd, "WPS") == 0)
1067                 ndef = 0;
1068         else if (os_strcmp(cmd, "NDEF") == 0)
1069                 ndef = 1;
1070         else
1071                 return -1;
1072
1073         buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
1074         if (buf == NULL)
1075                 return -1;
1076
1077         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1078                                          wpabuf_len(buf));
1079         reply[res++] = '\n';
1080         reply[res] = '\0';
1081
1082         wpabuf_free(buf);
1083
1084         return res;
1085 }
1086
1087
1088 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
1089         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1090 {
1091         int ndef;
1092         struct wpabuf *buf;
1093         int res;
1094
1095         if (os_strcmp(cmd, "WPS") == 0)
1096                 ndef = 0;
1097         else if (os_strcmp(cmd, "NDEF") == 0)
1098                 ndef = 1;
1099         else
1100                 return -1;
1101
1102         buf = wpas_wps_nfc_token(wpa_s, ndef);
1103         if (buf == NULL)
1104                 return -1;
1105
1106         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1107                                          wpabuf_len(buf));
1108         reply[res++] = '\n';
1109         reply[res] = '\0';
1110
1111         wpabuf_free(buf);
1112
1113         return res;
1114 }
1115
1116
1117 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
1118         struct wpa_supplicant *wpa_s, char *pos)
1119 {
1120         size_t len;
1121         struct wpabuf *buf;
1122         int ret;
1123         char *freq;
1124         int forced_freq = 0;
1125
1126         freq = strstr(pos, " freq=");
1127         if (freq) {
1128                 *freq = '\0';
1129                 freq += 6;
1130                 forced_freq = atoi(freq);
1131         }
1132
1133         len = os_strlen(pos);
1134         if (len & 0x01)
1135                 return -1;
1136         len /= 2;
1137
1138         buf = wpabuf_alloc(len);
1139         if (buf == NULL)
1140                 return -1;
1141         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
1142                 wpabuf_free(buf);
1143                 return -1;
1144         }
1145
1146         ret = wpas_wps_nfc_tag_read(wpa_s, buf, forced_freq);
1147         wpabuf_free(buf);
1148
1149         return ret;
1150 }
1151
1152
1153 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
1154                                               char *reply, size_t max_len,
1155                                               int ndef)
1156 {
1157         struct wpabuf *buf;
1158         int res;
1159
1160         buf = wpas_wps_nfc_handover_req(wpa_s, ndef);
1161         if (buf == NULL)
1162                 return -1;
1163
1164         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1165                                          wpabuf_len(buf));
1166         reply[res++] = '\n';
1167         reply[res] = '\0';
1168
1169         wpabuf_free(buf);
1170
1171         return res;
1172 }
1173
1174
1175 #ifdef CONFIG_P2P
1176 static int wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant *wpa_s,
1177                                               char *reply, size_t max_len,
1178                                               int ndef)
1179 {
1180         struct wpabuf *buf;
1181         int res;
1182
1183         buf = wpas_p2p_nfc_handover_req(wpa_s, ndef);
1184         if (buf == NULL) {
1185                 wpa_printf(MSG_DEBUG, "P2P: Could not generate NFC handover request");
1186                 return -1;
1187         }
1188
1189         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1190                                          wpabuf_len(buf));
1191         reply[res++] = '\n';
1192         reply[res] = '\0';
1193
1194         wpabuf_free(buf);
1195
1196         return res;
1197 }
1198 #endif /* CONFIG_P2P */
1199
1200
1201 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
1202                                           char *cmd, char *reply,
1203                                           size_t max_len)
1204 {
1205         char *pos;
1206         int ndef;
1207
1208         pos = os_strchr(cmd, ' ');
1209         if (pos == NULL)
1210                 return -1;
1211         *pos++ = '\0';
1212
1213         if (os_strcmp(cmd, "WPS") == 0)
1214                 ndef = 0;
1215         else if (os_strcmp(cmd, "NDEF") == 0)
1216                 ndef = 1;
1217         else
1218                 return -1;
1219
1220         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1221                 if (!ndef)
1222                         return -1;
1223                 return wpas_ctrl_nfc_get_handover_req_wps(
1224                         wpa_s, reply, max_len, ndef);
1225         }
1226
1227 #ifdef CONFIG_P2P
1228         if (os_strcmp(pos, "P2P-CR") == 0) {
1229                 return wpas_ctrl_nfc_get_handover_req_p2p(
1230                         wpa_s, reply, max_len, ndef);
1231         }
1232 #endif /* CONFIG_P2P */
1233
1234         return -1;
1235 }
1236
1237
1238 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
1239                                               char *reply, size_t max_len,
1240                                               int ndef, int cr, char *uuid)
1241 {
1242         struct wpabuf *buf;
1243         int res;
1244
1245         buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
1246         if (buf == NULL)
1247                 return -1;
1248
1249         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1250                                          wpabuf_len(buf));
1251         reply[res++] = '\n';
1252         reply[res] = '\0';
1253
1254         wpabuf_free(buf);
1255
1256         return res;
1257 }
1258
1259
1260 #ifdef CONFIG_P2P
1261 static int wpas_ctrl_nfc_get_handover_sel_p2p(struct wpa_supplicant *wpa_s,
1262                                               char *reply, size_t max_len,
1263                                               int ndef, int tag)
1264 {
1265         struct wpabuf *buf;
1266         int res;
1267
1268         buf = wpas_p2p_nfc_handover_sel(wpa_s, ndef, tag);
1269         if (buf == NULL)
1270                 return -1;
1271
1272         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1273                                          wpabuf_len(buf));
1274         reply[res++] = '\n';
1275         reply[res] = '\0';
1276
1277         wpabuf_free(buf);
1278
1279         return res;
1280 }
1281 #endif /* CONFIG_P2P */
1282
1283
1284 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
1285                                           char *cmd, char *reply,
1286                                           size_t max_len)
1287 {
1288         char *pos, *pos2;
1289         int ndef;
1290
1291         pos = os_strchr(cmd, ' ');
1292         if (pos == NULL)
1293                 return -1;
1294         *pos++ = '\0';
1295
1296         if (os_strcmp(cmd, "WPS") == 0)
1297                 ndef = 0;
1298         else if (os_strcmp(cmd, "NDEF") == 0)
1299                 ndef = 1;
1300         else
1301                 return -1;
1302
1303         pos2 = os_strchr(pos, ' ');
1304         if (pos2)
1305                 *pos2++ = '\0';
1306         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1307                 if (!ndef)
1308                         return -1;
1309                 return wpas_ctrl_nfc_get_handover_sel_wps(
1310                         wpa_s, reply, max_len, ndef,
1311                         os_strcmp(pos, "WPS-CR") == 0, pos2);
1312         }
1313
1314 #ifdef CONFIG_P2P
1315         if (os_strcmp(pos, "P2P-CR") == 0) {
1316                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1317                         wpa_s, reply, max_len, ndef, 0);
1318         }
1319
1320         if (os_strcmp(pos, "P2P-CR-TAG") == 0) {
1321                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1322                         wpa_s, reply, max_len, ndef, 1);
1323         }
1324 #endif /* CONFIG_P2P */
1325
1326         return -1;
1327 }
1328
1329
1330 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1331                                          char *cmd)
1332 {
1333         size_t len;
1334         struct wpabuf *req, *sel;
1335         int ret;
1336         char *pos, *role, *type, *pos2;
1337 #ifdef CONFIG_P2P
1338         char *freq;
1339         int forced_freq = 0;
1340
1341         freq = strstr(cmd, " freq=");
1342         if (freq) {
1343                 *freq = '\0';
1344                 freq += 6;
1345                 forced_freq = atoi(freq);
1346         }
1347 #endif /* CONFIG_P2P */
1348
1349         role = cmd;
1350         pos = os_strchr(role, ' ');
1351         if (pos == NULL) {
1352                 wpa_printf(MSG_DEBUG, "NFC: Missing type in handover report");
1353                 return -1;
1354         }
1355         *pos++ = '\0';
1356
1357         type = pos;
1358         pos = os_strchr(type, ' ');
1359         if (pos == NULL) {
1360                 wpa_printf(MSG_DEBUG, "NFC: Missing request message in handover report");
1361                 return -1;
1362         }
1363         *pos++ = '\0';
1364
1365         pos2 = os_strchr(pos, ' ');
1366         if (pos2 == NULL) {
1367                 wpa_printf(MSG_DEBUG, "NFC: Missing select message in handover report");
1368                 return -1;
1369         }
1370         *pos2++ = '\0';
1371
1372         len = os_strlen(pos);
1373         if (len & 0x01) {
1374                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message length in handover report");
1375                 return -1;
1376         }
1377         len /= 2;
1378
1379         req = wpabuf_alloc(len);
1380         if (req == NULL) {
1381                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for request message");
1382                 return -1;
1383         }
1384         if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1385                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message hexdump in handover report");
1386                 wpabuf_free(req);
1387                 return -1;
1388         }
1389
1390         len = os_strlen(pos2);
1391         if (len & 0x01) {
1392                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message length in handover report");
1393                 wpabuf_free(req);
1394                 return -1;
1395         }
1396         len /= 2;
1397
1398         sel = wpabuf_alloc(len);
1399         if (sel == NULL) {
1400                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for select message");
1401                 wpabuf_free(req);
1402                 return -1;
1403         }
1404         if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1405                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message hexdump in handover report");
1406                 wpabuf_free(req);
1407                 wpabuf_free(sel);
1408                 return -1;
1409         }
1410
1411         wpa_printf(MSG_DEBUG, "NFC: Connection handover reported - role=%s type=%s req_len=%d sel_len=%d",
1412                    role, type, (int) wpabuf_len(req), (int) wpabuf_len(sel));
1413
1414         if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1415                 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1416 #ifdef CONFIG_AP
1417         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0)
1418         {
1419                 ret = wpas_ap_wps_nfc_report_handover(wpa_s, req, sel);
1420                 if (ret < 0)
1421                         ret = wpas_er_wps_nfc_report_handover(wpa_s, req, sel);
1422 #endif /* CONFIG_AP */
1423 #ifdef CONFIG_P2P
1424         } else if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "P2P") == 0)
1425         {
1426                 ret = wpas_p2p_nfc_report_handover(wpa_s, 1, req, sel, 0);
1427         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "P2P") == 0)
1428         {
1429                 ret = wpas_p2p_nfc_report_handover(wpa_s, 0, req, sel,
1430                                                    forced_freq);
1431 #endif /* CONFIG_P2P */
1432         } else {
1433                 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1434                            "reported: role=%s type=%s", role, type);
1435                 ret = -1;
1436         }
1437         wpabuf_free(req);
1438         wpabuf_free(sel);
1439
1440         if (ret)
1441                 wpa_printf(MSG_DEBUG, "NFC: Failed to process reported handover messages");
1442
1443         return ret;
1444 }
1445
1446 #endif /* CONFIG_WPS_NFC */
1447
1448
1449 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1450                                              char *cmd)
1451 {
1452         u8 bssid[ETH_ALEN];
1453         char *pin;
1454         char *new_ssid;
1455         char *new_auth;
1456         char *new_encr;
1457         char *new_key;
1458         struct wps_new_ap_settings ap;
1459
1460         pin = os_strchr(cmd, ' ');
1461         if (pin == NULL)
1462                 return -1;
1463         *pin++ = '\0';
1464
1465         if (hwaddr_aton(cmd, bssid)) {
1466                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1467                            cmd);
1468                 return -1;
1469         }
1470
1471         new_ssid = os_strchr(pin, ' ');
1472         if (new_ssid == NULL)
1473                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1474         *new_ssid++ = '\0';
1475
1476         new_auth = os_strchr(new_ssid, ' ');
1477         if (new_auth == NULL)
1478                 return -1;
1479         *new_auth++ = '\0';
1480
1481         new_encr = os_strchr(new_auth, ' ');
1482         if (new_encr == NULL)
1483                 return -1;
1484         *new_encr++ = '\0';
1485
1486         new_key = os_strchr(new_encr, ' ');
1487         if (new_key == NULL)
1488                 return -1;
1489         *new_key++ = '\0';
1490
1491         os_memset(&ap, 0, sizeof(ap));
1492         ap.ssid_hex = new_ssid;
1493         ap.auth = new_auth;
1494         ap.encr = new_encr;
1495         ap.key_hex = new_key;
1496         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1497 }
1498
1499
1500 #ifdef CONFIG_AP
1501 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1502                                                 char *cmd, char *buf,
1503                                                 size_t buflen)
1504 {
1505         int timeout = 300;
1506         char *pos;
1507         const char *pin_txt;
1508
1509         if (!wpa_s->ap_iface)
1510                 return -1;
1511
1512         pos = os_strchr(cmd, ' ');
1513         if (pos)
1514                 *pos++ = '\0';
1515
1516         if (os_strcmp(cmd, "disable") == 0) {
1517                 wpas_wps_ap_pin_disable(wpa_s);
1518                 return os_snprintf(buf, buflen, "OK\n");
1519         }
1520
1521         if (os_strcmp(cmd, "random") == 0) {
1522                 if (pos)
1523                         timeout = atoi(pos);
1524                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1525                 if (pin_txt == NULL)
1526                         return -1;
1527                 return os_snprintf(buf, buflen, "%s", pin_txt);
1528         }
1529
1530         if (os_strcmp(cmd, "get") == 0) {
1531                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1532                 if (pin_txt == NULL)
1533                         return -1;
1534                 return os_snprintf(buf, buflen, "%s", pin_txt);
1535         }
1536
1537         if (os_strcmp(cmd, "set") == 0) {
1538                 char *pin;
1539                 if (pos == NULL)
1540                         return -1;
1541                 pin = pos;
1542                 pos = os_strchr(pos, ' ');
1543                 if (pos) {
1544                         *pos++ = '\0';
1545                         timeout = atoi(pos);
1546                 }
1547                 if (os_strlen(pin) > buflen)
1548                         return -1;
1549                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1550                         return -1;
1551                 return os_snprintf(buf, buflen, "%s", pin);
1552         }
1553
1554         return -1;
1555 }
1556 #endif /* CONFIG_AP */
1557
1558
1559 #ifdef CONFIG_WPS_ER
1560 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1561                                                 char *cmd)
1562 {
1563         char *uuid = cmd, *pin, *pos;
1564         u8 addr_buf[ETH_ALEN], *addr = NULL;
1565         pin = os_strchr(uuid, ' ');
1566         if (pin == NULL)
1567                 return -1;
1568         *pin++ = '\0';
1569         pos = os_strchr(pin, ' ');
1570         if (pos) {
1571                 *pos++ = '\0';
1572                 if (hwaddr_aton(pos, addr_buf) == 0)
1573                         addr = addr_buf;
1574         }
1575         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1576 }
1577
1578
1579 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1580                                                   char *cmd)
1581 {
1582         char *uuid = cmd, *pin;
1583         pin = os_strchr(uuid, ' ');
1584         if (pin == NULL)
1585                 return -1;
1586         *pin++ = '\0';
1587         return wpas_wps_er_learn(wpa_s, uuid, pin);
1588 }
1589
1590
1591 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1592         struct wpa_supplicant *wpa_s, char *cmd)
1593 {
1594         char *uuid = cmd, *id;
1595         id = os_strchr(uuid, ' ');
1596         if (id == NULL)
1597                 return -1;
1598         *id++ = '\0';
1599         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1600 }
1601
1602
1603 static int wpa_supplicant_ctrl_iface_wps_er_config(
1604         struct wpa_supplicant *wpa_s, char *cmd)
1605 {
1606         char *pin;
1607         char *new_ssid;
1608         char *new_auth;
1609         char *new_encr;
1610         char *new_key;
1611         struct wps_new_ap_settings ap;
1612
1613         pin = os_strchr(cmd, ' ');
1614         if (pin == NULL)
1615                 return -1;
1616         *pin++ = '\0';
1617
1618         new_ssid = os_strchr(pin, ' ');
1619         if (new_ssid == NULL)
1620                 return -1;
1621         *new_ssid++ = '\0';
1622
1623         new_auth = os_strchr(new_ssid, ' ');
1624         if (new_auth == NULL)
1625                 return -1;
1626         *new_auth++ = '\0';
1627
1628         new_encr = os_strchr(new_auth, ' ');
1629         if (new_encr == NULL)
1630                 return -1;
1631         *new_encr++ = '\0';
1632
1633         new_key = os_strchr(new_encr, ' ');
1634         if (new_key == NULL)
1635                 return -1;
1636         *new_key++ = '\0';
1637
1638         os_memset(&ap, 0, sizeof(ap));
1639         ap.ssid_hex = new_ssid;
1640         ap.auth = new_auth;
1641         ap.encr = new_encr;
1642         ap.key_hex = new_key;
1643         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1644 }
1645
1646
1647 #ifdef CONFIG_WPS_NFC
1648 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1649         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1650 {
1651         int ndef;
1652         struct wpabuf *buf;
1653         int res;
1654         char *uuid;
1655
1656         uuid = os_strchr(cmd, ' ');
1657         if (uuid == NULL)
1658                 return -1;
1659         *uuid++ = '\0';
1660
1661         if (os_strcmp(cmd, "WPS") == 0)
1662                 ndef = 0;
1663         else if (os_strcmp(cmd, "NDEF") == 0)
1664                 ndef = 1;
1665         else
1666                 return -1;
1667
1668         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1669         if (buf == NULL)
1670                 return -1;
1671
1672         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1673                                          wpabuf_len(buf));
1674         reply[res++] = '\n';
1675         reply[res] = '\0';
1676
1677         wpabuf_free(buf);
1678
1679         return res;
1680 }
1681 #endif /* CONFIG_WPS_NFC */
1682 #endif /* CONFIG_WPS_ER */
1683
1684 #endif /* CONFIG_WPS */
1685
1686
1687 #ifdef CONFIG_IBSS_RSN
1688 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1689         struct wpa_supplicant *wpa_s, char *addr)
1690 {
1691         u8 peer[ETH_ALEN];
1692
1693         if (hwaddr_aton(addr, peer)) {
1694                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1695                            "address '%s'", addr);
1696                 return -1;
1697         }
1698
1699         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1700                    MAC2STR(peer));
1701
1702         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1703 }
1704 #endif /* CONFIG_IBSS_RSN */
1705
1706
1707 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1708                                               char *rsp)
1709 {
1710 #ifdef IEEE8021X_EAPOL
1711         char *pos, *id_pos;
1712         int id;
1713         struct wpa_ssid *ssid;
1714
1715         pos = os_strchr(rsp, '-');
1716         if (pos == NULL)
1717                 return -1;
1718         *pos++ = '\0';
1719         id_pos = pos;
1720         pos = os_strchr(pos, ':');
1721         if (pos == NULL)
1722                 return -1;
1723         *pos++ = '\0';
1724         id = atoi(id_pos);
1725         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1726         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1727                               (u8 *) pos, os_strlen(pos));
1728
1729         ssid = wpa_config_get_network(wpa_s->conf, id);
1730         if (ssid == NULL) {
1731                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1732                            "to update", id);
1733                 return -1;
1734         }
1735
1736         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1737                                                          pos);
1738 #else /* IEEE8021X_EAPOL */
1739         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1740         return -1;
1741 #endif /* IEEE8021X_EAPOL */
1742 }
1743
1744
1745 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1746                                             const char *params,
1747                                             char *buf, size_t buflen)
1748 {
1749         char *pos, *end, tmp[30];
1750         int res, verbose, wps, ret;
1751 #ifdef CONFIG_HS20
1752         const u8 *hs20;
1753 #endif /* CONFIG_HS20 */
1754         const u8 *sess_id;
1755         size_t sess_id_len;
1756
1757         if (os_strcmp(params, "-DRIVER") == 0)
1758                 return wpa_drv_status(wpa_s, buf, buflen);
1759         verbose = os_strcmp(params, "-VERBOSE") == 0;
1760         wps = os_strcmp(params, "-WPS") == 0;
1761         pos = buf;
1762         end = buf + buflen;
1763         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1764                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1765                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1766                                   MAC2STR(wpa_s->bssid));
1767                 if (os_snprintf_error(end - pos, ret))
1768                         return pos - buf;
1769                 pos += ret;
1770                 ret = os_snprintf(pos, end - pos, "freq=%u\n",
1771                                   wpa_s->assoc_freq);
1772                 if (os_snprintf_error(end - pos, ret))
1773                         return pos - buf;
1774                 pos += ret;
1775                 if (ssid) {
1776                         u8 *_ssid = ssid->ssid;
1777                         size_t ssid_len = ssid->ssid_len;
1778                         u8 ssid_buf[SSID_MAX_LEN];
1779                         if (ssid_len == 0) {
1780                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1781                                 if (_res < 0)
1782                                         ssid_len = 0;
1783                                 else
1784                                         ssid_len = _res;
1785                                 _ssid = ssid_buf;
1786                         }
1787                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1788                                           wpa_ssid_txt(_ssid, ssid_len),
1789                                           ssid->id);
1790                         if (os_snprintf_error(end - pos, ret))
1791                                 return pos - buf;
1792                         pos += ret;
1793
1794                         if (wps && ssid->passphrase &&
1795                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1796                             (ssid->mode == WPAS_MODE_AP ||
1797                              ssid->mode == WPAS_MODE_P2P_GO)) {
1798                                 ret = os_snprintf(pos, end - pos,
1799                                                   "passphrase=%s\n",
1800                                                   ssid->passphrase);
1801                                 if (os_snprintf_error(end - pos, ret))
1802                                         return pos - buf;
1803                                 pos += ret;
1804                         }
1805                         if (ssid->id_str) {
1806                                 ret = os_snprintf(pos, end - pos,
1807                                                   "id_str=%s\n",
1808                                                   ssid->id_str);
1809                                 if (os_snprintf_error(end - pos, ret))
1810                                         return pos - buf;
1811                                 pos += ret;
1812                         }
1813
1814                         switch (ssid->mode) {
1815                         case WPAS_MODE_INFRA:
1816                                 ret = os_snprintf(pos, end - pos,
1817                                                   "mode=station\n");
1818                                 break;
1819                         case WPAS_MODE_IBSS:
1820                                 ret = os_snprintf(pos, end - pos,
1821                                                   "mode=IBSS\n");
1822                                 break;
1823                         case WPAS_MODE_AP:
1824                                 ret = os_snprintf(pos, end - pos,
1825                                                   "mode=AP\n");
1826                                 break;
1827                         case WPAS_MODE_P2P_GO:
1828                                 ret = os_snprintf(pos, end - pos,
1829                                                   "mode=P2P GO\n");
1830                                 break;
1831                         case WPAS_MODE_P2P_GROUP_FORMATION:
1832                                 ret = os_snprintf(pos, end - pos,
1833                                                   "mode=P2P GO - group "
1834                                                   "formation\n");
1835                                 break;
1836                         default:
1837                                 ret = 0;
1838                                 break;
1839                         }
1840                         if (os_snprintf_error(end - pos, ret))
1841                                 return pos - buf;
1842                         pos += ret;
1843                 }
1844
1845 #ifdef CONFIG_AP
1846                 if (wpa_s->ap_iface) {
1847                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1848                                                             end - pos,
1849                                                             verbose);
1850                 } else
1851 #endif /* CONFIG_AP */
1852                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1853         }
1854 #ifdef CONFIG_SAE
1855         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1856 #ifdef CONFIG_AP
1857             !wpa_s->ap_iface &&
1858 #endif /* CONFIG_AP */
1859             wpa_s->sme.sae.state == SAE_ACCEPTED) {
1860                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1861                                   wpa_s->sme.sae.group);
1862                 if (os_snprintf_error(end - pos, ret))
1863                         return pos - buf;
1864                 pos += ret;
1865         }
1866 #endif /* CONFIG_SAE */
1867         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1868                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1869         if (os_snprintf_error(end - pos, ret))
1870                 return pos - buf;
1871         pos += ret;
1872
1873         if (wpa_s->l2 &&
1874             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1875                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1876                 if (os_snprintf_error(end - pos, ret))
1877                         return pos - buf;
1878                 pos += ret;
1879         }
1880
1881 #ifdef CONFIG_P2P
1882         if (wpa_s->global->p2p) {
1883                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1884                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1885                 if (os_snprintf_error(end - pos, ret))
1886                         return pos - buf;
1887                 pos += ret;
1888         }
1889 #endif /* CONFIG_P2P */
1890
1891         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1892                           MAC2STR(wpa_s->own_addr));
1893         if (os_snprintf_error(end - pos, ret))
1894                 return pos - buf;
1895         pos += ret;
1896
1897 #ifdef CONFIG_HS20
1898         if (wpa_s->current_bss &&
1899             (hs20 = wpa_bss_get_vendor_ie(wpa_s->current_bss,
1900                                           HS20_IE_VENDOR_TYPE)) &&
1901             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1902             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1903                 int release = 1;
1904                 if (hs20[1] >= 5) {
1905                         u8 rel_num = (hs20[6] & 0xf0) >> 4;
1906                         release = rel_num + 1;
1907                 }
1908                 ret = os_snprintf(pos, end - pos, "hs20=%d\n", release);
1909                 if (os_snprintf_error(end - pos, ret))
1910                         return pos - buf;
1911                 pos += ret;
1912         }
1913
1914         if (wpa_s->current_ssid) {
1915                 struct wpa_cred *cred;
1916                 char *type;
1917
1918                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1919                         size_t i;
1920
1921                         if (wpa_s->current_ssid->parent_cred != cred)
1922                                 continue;
1923
1924                         if (cred->provisioning_sp) {
1925                                 ret = os_snprintf(pos, end - pos,
1926                                                   "provisioning_sp=%s\n",
1927                                                   cred->provisioning_sp);
1928                                 if (os_snprintf_error(end - pos, ret))
1929                                         return pos - buf;
1930                                 pos += ret;
1931                         }
1932
1933                         if (!cred->domain)
1934                                 goto no_domain;
1935
1936                         i = 0;
1937                         if (wpa_s->current_bss && wpa_s->current_bss->anqp) {
1938                                 struct wpabuf *names =
1939                                         wpa_s->current_bss->anqp->domain_name;
1940                                 for (i = 0; names && i < cred->num_domain; i++)
1941                                 {
1942                                         if (domain_name_list_contains(
1943                                                     names, cred->domain[i], 1))
1944                                                 break;
1945                                 }
1946                                 if (i == cred->num_domain)
1947                                         i = 0; /* show first entry by default */
1948                         }
1949                         ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1950                                           cred->domain[i]);
1951                         if (os_snprintf_error(end - pos, ret))
1952                                 return pos - buf;
1953                         pos += ret;
1954
1955                 no_domain:
1956                         if (wpa_s->current_bss == NULL ||
1957                             wpa_s->current_bss->anqp == NULL)
1958                                 res = -1;
1959                         else
1960                                 res = interworking_home_sp_cred(
1961                                         wpa_s, cred,
1962                                         wpa_s->current_bss->anqp->domain_name);
1963                         if (res > 0)
1964                                 type = "home";
1965                         else if (res == 0)
1966                                 type = "roaming";
1967                         else
1968                                 type = "unknown";
1969
1970                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1971                         if (os_snprintf_error(end - pos, ret))
1972                                 return pos - buf;
1973                         pos += ret;
1974
1975                         break;
1976                 }
1977         }
1978 #endif /* CONFIG_HS20 */
1979
1980         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1981             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1982                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1983                                           verbose);
1984                 if (res >= 0)
1985                         pos += res;
1986         }
1987
1988         sess_id = eapol_sm_get_session_id(wpa_s->eapol, &sess_id_len);
1989         if (sess_id) {
1990                 char *start = pos;
1991
1992                 ret = os_snprintf(pos, end - pos, "eap_session_id=");
1993                 if (os_snprintf_error(end - pos, ret))
1994                         return start - buf;
1995                 pos += ret;
1996                 ret = wpa_snprintf_hex(pos, end - pos, sess_id, sess_id_len);
1997                 if (ret <= 0)
1998                         return start - buf;
1999                 pos += ret;
2000                 ret = os_snprintf(pos, end - pos, "\n");
2001                 if (os_snprintf_error(end - pos, ret))
2002                         return start - buf;
2003                 pos += ret;
2004         }
2005
2006         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
2007         if (res >= 0)
2008                 pos += res;
2009
2010 #ifdef CONFIG_WPS
2011         {
2012                 char uuid_str[100];
2013                 uuid_bin2str(wpa_s->wps->uuid, uuid_str, sizeof(uuid_str));
2014                 ret = os_snprintf(pos, end - pos, "uuid=%s\n", uuid_str);
2015                 if (os_snprintf_error(end - pos, ret))
2016                         return pos - buf;
2017                 pos += ret;
2018         }
2019 #endif /* CONFIG_WPS */
2020
2021 #ifdef ANDROID
2022         /*
2023          * Allow using the STATUS command with default behavior, say for debug,
2024          * i.e., don't generate a "fake" CONNECTION and SUPPLICANT_STATE_CHANGE
2025          * events with STATUS-NO_EVENTS.
2026          */
2027         if (os_strcmp(params, "-NO_EVENTS")) {
2028                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
2029                              "id=%d state=%d BSSID=" MACSTR " SSID=%s",
2030                              wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
2031                              wpa_s->wpa_state,
2032                              MAC2STR(wpa_s->bssid),
2033                              wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
2034                              wpa_ssid_txt(wpa_s->current_ssid->ssid,
2035                                           wpa_s->current_ssid->ssid_len) : "");
2036                 if (wpa_s->wpa_state == WPA_COMPLETED) {
2037                         struct wpa_ssid *ssid = wpa_s->current_ssid;
2038                         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED
2039                                      "- connection to " MACSTR
2040                                      " completed %s [id=%d id_str=%s]",
2041                                      MAC2STR(wpa_s->bssid), "(auth)",
2042                                      ssid ? ssid->id : -1,
2043                                      ssid && ssid->id_str ? ssid->id_str : "");
2044                 }
2045         }
2046 #endif /* ANDROID */
2047
2048         return pos - buf;
2049 }
2050
2051
2052 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
2053                                            char *cmd)
2054 {
2055         char *pos;
2056         int id;
2057         struct wpa_ssid *ssid;
2058         u8 bssid[ETH_ALEN];
2059
2060         /* cmd: "<network id> <BSSID>" */
2061         pos = os_strchr(cmd, ' ');
2062         if (pos == NULL)
2063                 return -1;
2064         *pos++ = '\0';
2065         id = atoi(cmd);
2066         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
2067         if (hwaddr_aton(pos, bssid)) {
2068                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
2069                 return -1;
2070         }
2071
2072         ssid = wpa_config_get_network(wpa_s->conf, id);
2073         if (ssid == NULL) {
2074                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
2075                            "to update", id);
2076                 return -1;
2077         }
2078
2079         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
2080         ssid->bssid_set = !is_zero_ether_addr(bssid);
2081
2082         return 0;
2083 }
2084
2085
2086 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
2087                                                char *cmd, char *buf,
2088                                                size_t buflen)
2089 {
2090         u8 bssid[ETH_ALEN];
2091         struct wpa_blacklist *e;
2092         char *pos, *end;
2093         int ret;
2094
2095         /* cmd: "BLACKLIST [<BSSID>]" */
2096         if (*cmd == '\0') {
2097                 pos = buf;
2098                 end = buf + buflen;
2099                 e = wpa_s->blacklist;
2100                 while (e) {
2101                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
2102                                           MAC2STR(e->bssid));
2103                         if (os_snprintf_error(end - pos, ret))
2104                                 return pos - buf;
2105                         pos += ret;
2106                         e = e->next;
2107                 }
2108                 return pos - buf;
2109         }
2110
2111         cmd++;
2112         if (os_strncmp(cmd, "clear", 5) == 0) {
2113                 wpa_blacklist_clear(wpa_s);
2114                 os_memcpy(buf, "OK\n", 3);
2115                 return 3;
2116         }
2117
2118         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
2119         if (hwaddr_aton(cmd, bssid)) {
2120                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
2121                 return -1;
2122         }
2123
2124         /*
2125          * Add the BSSID twice, so its count will be 2, causing it to be
2126          * skipped when processing scan results.
2127          */
2128         ret = wpa_blacklist_add(wpa_s, bssid);
2129         if (ret < 0)
2130                 return -1;
2131         ret = wpa_blacklist_add(wpa_s, bssid);
2132         if (ret < 0)
2133                 return -1;
2134         os_memcpy(buf, "OK\n", 3);
2135         return 3;
2136 }
2137
2138
2139 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
2140                                                char *cmd, char *buf,
2141                                                size_t buflen)
2142 {
2143         char *pos, *end, *stamp;
2144         int ret;
2145
2146         /* cmd: "LOG_LEVEL [<level>]" */
2147         if (*cmd == '\0') {
2148                 pos = buf;
2149                 end = buf + buflen;
2150                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
2151                                   "Timestamp: %d\n",
2152                                   debug_level_str(wpa_debug_level),
2153                                   wpa_debug_timestamp);
2154                 if (os_snprintf_error(end - pos, ret))
2155                         ret = 0;
2156
2157                 return ret;
2158         }
2159
2160         while (*cmd == ' ')
2161                 cmd++;
2162
2163         stamp = os_strchr(cmd, ' ');
2164         if (stamp) {
2165                 *stamp++ = '\0';
2166                 while (*stamp == ' ') {
2167                         stamp++;
2168                 }
2169         }
2170
2171         if (os_strlen(cmd)) {
2172                 int level = str_to_debug_level(cmd);
2173                 if (level < 0)
2174                         return -1;
2175                 wpa_debug_level = level;
2176         }
2177
2178         if (stamp && os_strlen(stamp))
2179                 wpa_debug_timestamp = atoi(stamp);
2180
2181         os_memcpy(buf, "OK\n", 3);
2182         return 3;
2183 }
2184
2185
2186 static int wpa_supplicant_ctrl_iface_list_networks(
2187         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2188 {
2189         char *pos, *end, *prev;
2190         struct wpa_ssid *ssid;
2191         int ret;
2192
2193         pos = buf;
2194         end = buf + buflen;
2195         ret = os_snprintf(pos, end - pos,
2196                           "network id / ssid / bssid / flags\n");
2197         if (os_snprintf_error(end - pos, ret))
2198                 return pos - buf;
2199         pos += ret;
2200
2201         ssid = wpa_s->conf->ssid;
2202
2203         /* skip over ssids until we find next one */
2204         if (cmd != NULL && os_strncmp(cmd, "LAST_ID=", 8) == 0) {
2205                 int last_id = atoi(cmd + 8);
2206                 if (last_id != -1) {
2207                         while (ssid != NULL && ssid->id <= last_id) {
2208                                 ssid = ssid->next;
2209                         }
2210                 }
2211         }
2212
2213         while (ssid) {
2214                 prev = pos;
2215                 ret = os_snprintf(pos, end - pos, "%d\t%s",
2216                                   ssid->id,
2217                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
2218                 if (os_snprintf_error(end - pos, ret))
2219                         return prev - buf;
2220                 pos += ret;
2221                 if (ssid->bssid_set) {
2222                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
2223                                           MAC2STR(ssid->bssid));
2224                 } else {
2225                         ret = os_snprintf(pos, end - pos, "\tany");
2226                 }
2227                 if (os_snprintf_error(end - pos, ret))
2228                         return prev - buf;
2229                 pos += ret;
2230                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
2231                                   ssid == wpa_s->current_ssid ?
2232                                   "[CURRENT]" : "",
2233                                   ssid->disabled ? "[DISABLED]" : "",
2234                                   ssid->disabled_until.sec ?
2235                                   "[TEMP-DISABLED]" : "",
2236                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
2237                                   "");
2238                 if (os_snprintf_error(end - pos, ret))
2239                         return prev - buf;
2240                 pos += ret;
2241                 ret = os_snprintf(pos, end - pos, "\n");
2242                 if (os_snprintf_error(end - pos, ret))
2243                         return prev - buf;
2244                 pos += ret;
2245
2246                 ssid = ssid->next;
2247         }
2248
2249         return pos - buf;
2250 }
2251
2252
2253 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
2254 {
2255         int ret;
2256         ret = os_snprintf(pos, end - pos, "-");
2257         if (os_snprintf_error(end - pos, ret))
2258                 return pos;
2259         pos += ret;
2260         ret = wpa_write_ciphers(pos, end, cipher, "+");
2261         if (ret < 0)
2262                 return pos;
2263         pos += ret;
2264         return pos;
2265 }
2266
2267
2268 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
2269                                     const u8 *ie, size_t ie_len)
2270 {
2271         struct wpa_ie_data data;
2272         char *start;
2273         int ret;
2274
2275         ret = os_snprintf(pos, end - pos, "[%s-", proto);
2276         if (os_snprintf_error(end - pos, ret))
2277                 return pos;
2278         pos += ret;
2279
2280         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
2281                 ret = os_snprintf(pos, end - pos, "?]");
2282                 if (os_snprintf_error(end - pos, ret))
2283                         return pos;
2284                 pos += ret;
2285                 return pos;
2286         }
2287
2288         start = pos;
2289         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
2290                 ret = os_snprintf(pos, end - pos, "%sEAP",
2291                                   pos == start ? "" : "+");
2292                 if (os_snprintf_error(end - pos, ret))
2293                         return pos;
2294                 pos += ret;
2295         }
2296         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
2297                 ret = os_snprintf(pos, end - pos, "%sPSK",
2298                                   pos == start ? "" : "+");
2299                 if (os_snprintf_error(end - pos, ret))
2300                         return pos;
2301                 pos += ret;
2302         }
2303         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
2304                 ret = os_snprintf(pos, end - pos, "%sNone",
2305                                   pos == start ? "" : "+");
2306                 if (os_snprintf_error(end - pos, ret))
2307                         return pos;
2308                 pos += ret;
2309         }
2310         if (data.key_mgmt & WPA_KEY_MGMT_SAE) {
2311                 ret = os_snprintf(pos, end - pos, "%sSAE",
2312                                   pos == start ? "" : "+");
2313                 if (os_snprintf_error(end - pos, ret))
2314                         return pos;
2315                 pos += ret;
2316         }
2317 #ifdef CONFIG_IEEE80211R
2318         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
2319                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
2320                                   pos == start ? "" : "+");
2321                 if (os_snprintf_error(end - pos, ret))
2322                         return pos;
2323                 pos += ret;
2324         }
2325         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
2326                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
2327                                   pos == start ? "" : "+");
2328                 if (os_snprintf_error(end - pos, ret))
2329                         return pos;
2330                 pos += ret;
2331         }
2332         if (data.key_mgmt & WPA_KEY_MGMT_FT_SAE) {
2333                 ret = os_snprintf(pos, end - pos, "%sFT/SAE",
2334                                   pos == start ? "" : "+");
2335                 if (os_snprintf_error(end - pos, ret))
2336                         return pos;
2337                 pos += ret;
2338         }
2339 #endif /* CONFIG_IEEE80211R */
2340 #ifdef CONFIG_IEEE80211W
2341         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
2342                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
2343                                   pos == start ? "" : "+");
2344                 if (os_snprintf_error(end - pos, ret))
2345                         return pos;
2346                 pos += ret;
2347         }
2348         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
2349                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
2350                                   pos == start ? "" : "+");
2351                 if (os_snprintf_error(end - pos, ret))
2352                         return pos;
2353                 pos += ret;
2354         }
2355 #endif /* CONFIG_IEEE80211W */
2356
2357 #ifdef CONFIG_SUITEB
2358         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
2359                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B",
2360                                   pos == start ? "" : "+");
2361                 if (os_snprintf_error(end - pos, ret))
2362                         return pos;
2363                 pos += ret;
2364         }
2365 #endif /* CONFIG_SUITEB */
2366
2367 #ifdef CONFIG_SUITEB192
2368         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
2369                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B-192",
2370                                   pos == start ? "" : "+");
2371                 if (os_snprintf_error(end - pos, ret))
2372                         return pos;
2373                 pos += ret;
2374         }
2375 #endif /* CONFIG_SUITEB192 */
2376
2377         if (data.key_mgmt & WPA_KEY_MGMT_OSEN) {
2378                 ret = os_snprintf(pos, end - pos, "%sOSEN",
2379                                   pos == start ? "" : "+");
2380                 if (os_snprintf_error(end - pos, ret))
2381                         return pos;
2382                 pos += ret;
2383         }
2384
2385         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
2386
2387         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
2388                 ret = os_snprintf(pos, end - pos, "-preauth");
2389                 if (os_snprintf_error(end - pos, ret))
2390                         return pos;
2391                 pos += ret;
2392         }
2393
2394         ret = os_snprintf(pos, end - pos, "]");
2395         if (os_snprintf_error(end - pos, ret))
2396                 return pos;
2397         pos += ret;
2398
2399         return pos;
2400 }
2401
2402
2403 #ifdef CONFIG_WPS
2404 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
2405                                             char *pos, char *end,
2406                                             struct wpabuf *wps_ie)
2407 {
2408         int ret;
2409         const char *txt;
2410
2411         if (wps_ie == NULL)
2412                 return pos;
2413         if (wps_is_selected_pbc_registrar(wps_ie))
2414                 txt = "[WPS-PBC]";
2415         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
2416                 txt = "[WPS-AUTH]";
2417         else if (wps_is_selected_pin_registrar(wps_ie))
2418                 txt = "[WPS-PIN]";
2419         else
2420                 txt = "[WPS]";
2421
2422         ret = os_snprintf(pos, end - pos, "%s", txt);
2423         if (!os_snprintf_error(end - pos, ret))
2424                 pos += ret;
2425         wpabuf_free(wps_ie);
2426         return pos;
2427 }
2428 #endif /* CONFIG_WPS */
2429
2430
2431 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2432                                         char *pos, char *end,
2433                                         const struct wpa_bss *bss)
2434 {
2435 #ifdef CONFIG_WPS
2436         struct wpabuf *wps_ie;
2437         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2438         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2439 #else /* CONFIG_WPS */
2440         return pos;
2441 #endif /* CONFIG_WPS */
2442 }
2443
2444
2445 /* Format one result on one text line into a buffer. */
2446 static int wpa_supplicant_ctrl_iface_scan_result(
2447         struct wpa_supplicant *wpa_s,
2448         const struct wpa_bss *bss, char *buf, size_t buflen)
2449 {
2450         char *pos, *end;
2451         int ret;
2452         const u8 *ie, *ie2, *osen_ie, *p2p, *mesh;
2453
2454         mesh = wpa_bss_get_ie(bss, WLAN_EID_MESH_ID);
2455         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2456         if (!p2p)
2457                 p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2458         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2459             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2460             0)
2461                 return 0; /* Do not show P2P listen discovery results here */
2462
2463         pos = buf;
2464         end = buf + buflen;
2465
2466         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2467                           MAC2STR(bss->bssid), bss->freq, bss->level);
2468         if (os_snprintf_error(end - pos, ret))
2469                 return -1;
2470         pos += ret;
2471         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2472         if (ie)
2473                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2474         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2475         if (ie2) {
2476                 pos = wpa_supplicant_ie_txt(pos, end, mesh ? "RSN" : "WPA2",
2477                                             ie2, 2 + ie2[1]);
2478         }
2479         osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
2480         if (osen_ie)
2481                 pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
2482                                             osen_ie, 2 + osen_ie[1]);
2483         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2484         if (!ie && !ie2 && !osen_ie && (bss->caps & IEEE80211_CAP_PRIVACY)) {
2485                 ret = os_snprintf(pos, end - pos, "[WEP]");
2486                 if (os_snprintf_error(end - pos, ret))
2487                         return -1;
2488                 pos += ret;
2489         }
2490         if (mesh) {
2491                 ret = os_snprintf(pos, end - pos, "[MESH]");
2492                 if (os_snprintf_error(end - pos, ret))
2493                         return -1;
2494                 pos += ret;
2495         }
2496         if (bss_is_dmg(bss)) {
2497                 const char *s;
2498                 ret = os_snprintf(pos, end - pos, "[DMG]");
2499                 if (os_snprintf_error(end - pos, ret))
2500                         return -1;
2501                 pos += ret;
2502                 switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
2503                 case IEEE80211_CAP_DMG_IBSS:
2504                         s = "[IBSS]";
2505                         break;
2506                 case IEEE80211_CAP_DMG_AP:
2507                         s = "[ESS]";
2508                         break;
2509                 case IEEE80211_CAP_DMG_PBSS:
2510                         s = "[PBSS]";
2511                         break;
2512                 default:
2513                         s = "";
2514                         break;
2515                 }
2516                 ret = os_snprintf(pos, end - pos, "%s", s);
2517                 if (os_snprintf_error(end - pos, ret))
2518                         return -1;
2519                 pos += ret;
2520         } else {
2521                 if (bss->caps & IEEE80211_CAP_IBSS) {
2522                         ret = os_snprintf(pos, end - pos, "[IBSS]");
2523                         if (os_snprintf_error(end - pos, ret))
2524                                 return -1;
2525                         pos += ret;
2526                 }
2527                 if (bss->caps & IEEE80211_CAP_ESS) {
2528                         ret = os_snprintf(pos, end - pos, "[ESS]");
2529                         if (os_snprintf_error(end - pos, ret))
2530                                 return -1;
2531                         pos += ret;
2532                 }
2533         }
2534         if (p2p) {
2535                 ret = os_snprintf(pos, end - pos, "[P2P]");
2536                 if (os_snprintf_error(end - pos, ret))
2537                         return -1;
2538                 pos += ret;
2539         }
2540 #ifdef CONFIG_HS20
2541         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2542                 ret = os_snprintf(pos, end - pos, "[HS20]");
2543                 if (os_snprintf_error(end - pos, ret))
2544                         return -1;
2545                 pos += ret;
2546         }
2547 #endif /* CONFIG_HS20 */
2548 #ifdef CONFIG_FST
2549         if (wpa_bss_get_ie(bss, WLAN_EID_MULTI_BAND)) {
2550                 ret = os_snprintf(pos, end - pos, "[FST]");
2551                 if (os_snprintf_error(end - pos, ret))
2552                         return -1;
2553                 pos += ret;
2554         }
2555 #endif /* CONFIG_FST */
2556
2557         ret = os_snprintf(pos, end - pos, "\t%s",
2558                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2559         if (os_snprintf_error(end - pos, ret))
2560                 return -1;
2561         pos += ret;
2562
2563         ret = os_snprintf(pos, end - pos, "\n");
2564         if (os_snprintf_error(end - pos, ret))
2565                 return -1;
2566         pos += ret;
2567
2568         return pos - buf;
2569 }
2570
2571
2572 static int wpa_supplicant_ctrl_iface_scan_results(
2573         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2574 {
2575         char *pos, *end;
2576         struct wpa_bss *bss;
2577         int ret;
2578
2579         pos = buf;
2580         end = buf + buflen;
2581         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2582                           "flags / ssid\n");
2583         if (os_snprintf_error(end - pos, ret))
2584                 return pos - buf;
2585         pos += ret;
2586
2587         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2588                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2589                                                             end - pos);
2590                 if (ret < 0 || ret >= end - pos)
2591                         return pos - buf;
2592                 pos += ret;
2593         }
2594
2595         return pos - buf;
2596 }
2597
2598
2599 #ifdef CONFIG_MESH
2600
2601 static int wpa_supplicant_ctrl_iface_mesh_interface_add(
2602         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
2603 {
2604         char *pos, ifname[IFNAMSIZ + 1];
2605
2606         ifname[0] = '\0';
2607
2608         pos = os_strstr(cmd, "ifname=");
2609         if (pos) {
2610                 pos += 7;
2611                 os_strlcpy(ifname, pos, sizeof(ifname));
2612         }
2613
2614         if (wpas_mesh_add_interface(wpa_s, ifname, sizeof(ifname)) < 0)
2615                 return -1;
2616
2617         os_strlcpy(reply, ifname, max_len);
2618         return os_strlen(ifname);
2619 }
2620
2621
2622 static int wpa_supplicant_ctrl_iface_mesh_group_add(
2623         struct wpa_supplicant *wpa_s, char *cmd)
2624 {
2625         int id;
2626         struct wpa_ssid *ssid;
2627
2628         id = atoi(cmd);
2629         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_ADD id=%d", id);
2630
2631         ssid = wpa_config_get_network(wpa_s->conf, id);
2632         if (ssid == NULL) {
2633                 wpa_printf(MSG_DEBUG,
2634                            "CTRL_IFACE: Could not find network id=%d", id);
2635                 return -1;
2636         }
2637         if (ssid->mode != WPAS_MODE_MESH) {
2638                 wpa_printf(MSG_DEBUG,
2639                            "CTRL_IFACE: Cannot use MESH_GROUP_ADD on a non mesh network");
2640                 return -1;
2641         }
2642         if (ssid->key_mgmt != WPA_KEY_MGMT_NONE &&
2643             ssid->key_mgmt != WPA_KEY_MGMT_SAE) {
2644                 wpa_printf(MSG_ERROR,
2645                            "CTRL_IFACE: key_mgmt for mesh network should be open or SAE");
2646                 return -1;
2647         }
2648
2649         /*
2650          * TODO: If necessary write our own group_add function,
2651          * for now we can reuse select_network
2652          */
2653         wpa_supplicant_select_network(wpa_s, ssid);
2654
2655         return 0;
2656 }
2657
2658
2659 static int wpa_supplicant_ctrl_iface_mesh_group_remove(
2660         struct wpa_supplicant *wpa_s, char *cmd)
2661 {
2662         struct wpa_supplicant *orig;
2663         struct wpa_global *global;
2664         int found = 0;
2665
2666         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s", cmd);
2667
2668         global = wpa_s->global;
2669         orig = wpa_s;
2670
2671         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2672                 if (os_strcmp(wpa_s->ifname, cmd) == 0) {
2673                         found = 1;
2674                         break;
2675                 }
2676         }
2677         if (!found) {
2678                 wpa_printf(MSG_ERROR,
2679                            "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s not found",
2680                            cmd);
2681                 return -1;
2682         }
2683         if (wpa_s->mesh_if_created && wpa_s == orig) {
2684                 wpa_printf(MSG_ERROR,
2685                            "CTRL_IFACE: MESH_GROUP_REMOVE can't remove itself");
2686                 return -1;
2687         }
2688
2689         wpa_s->reassociate = 0;
2690         wpa_s->disconnected = 1;
2691         wpa_supplicant_cancel_sched_scan(wpa_s);
2692         wpa_supplicant_cancel_scan(wpa_s);
2693
2694         /*
2695          * TODO: If necessary write our own group_remove function,
2696          * for now we can reuse deauthenticate
2697          */
2698         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2699
2700         if (wpa_s->mesh_if_created)
2701                 wpa_supplicant_remove_iface(global, wpa_s, 0);
2702
2703         return 0;
2704 }
2705
2706 #endif /* CONFIG_MESH */
2707
2708
2709 static int wpa_supplicant_ctrl_iface_select_network(
2710         struct wpa_supplicant *wpa_s, char *cmd)
2711 {
2712         int id;
2713         struct wpa_ssid *ssid;
2714         char *pos;
2715
2716         /* cmd: "<network id>" or "any" */
2717         if (os_strncmp(cmd, "any", 3) == 0) {
2718                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2719                 ssid = NULL;
2720         } else {
2721                 id = atoi(cmd);
2722                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2723
2724                 ssid = wpa_config_get_network(wpa_s->conf, id);
2725                 if (ssid == NULL) {
2726                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2727                                    "network id=%d", id);
2728                         return -1;
2729                 }
2730                 if (ssid->disabled == 2) {
2731                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2732                                    "SELECT_NETWORK with persistent P2P group");
2733                         return -1;
2734                 }
2735         }
2736
2737         pos = os_strstr(cmd, " freq=");
2738         if (pos) {
2739                 int *freqs = freq_range_to_channel_list(wpa_s, pos + 6);
2740                 if (freqs) {
2741                         wpa_s->scan_req = MANUAL_SCAN_REQ;
2742                         os_free(wpa_s->manual_scan_freqs);
2743                         wpa_s->manual_scan_freqs = freqs;
2744                 }
2745         }
2746
2747         wpa_s->scan_min_time.sec = 0;
2748         wpa_s->scan_min_time.usec = 0;
2749         wpa_supplicant_select_network(wpa_s, ssid);
2750
2751         return 0;
2752 }
2753
2754
2755 static int wpa_supplicant_ctrl_iface_enable_network(
2756         struct wpa_supplicant *wpa_s, char *cmd)
2757 {
2758         int id;
2759         struct wpa_ssid *ssid;
2760
2761         /* cmd: "<network id>" or "all" */
2762         if (os_strcmp(cmd, "all") == 0) {
2763                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2764                 ssid = NULL;
2765         } else {
2766                 id = atoi(cmd);
2767                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2768
2769                 ssid = wpa_config_get_network(wpa_s->conf, id);
2770                 if (ssid == NULL) {
2771                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2772                                    "network id=%d", id);
2773                         return -1;
2774                 }
2775                 if (ssid->disabled == 2) {
2776                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2777                                    "ENABLE_NETWORK with persistent P2P group");
2778                         return -1;
2779                 }
2780
2781                 if (os_strstr(cmd, " no-connect")) {
2782                         ssid->disabled = 0;
2783                         return 0;
2784                 }
2785         }
2786         wpa_s->scan_min_time.sec = 0;
2787         wpa_s->scan_min_time.usec = 0;
2788         wpa_supplicant_enable_network(wpa_s, ssid);
2789
2790         return 0;
2791 }
2792
2793
2794 static int wpa_supplicant_ctrl_iface_disable_network(
2795         struct wpa_supplicant *wpa_s, char *cmd)
2796 {
2797         int id;
2798         struct wpa_ssid *ssid;
2799
2800         /* cmd: "<network id>" or "all" */
2801         if (os_strcmp(cmd, "all") == 0) {
2802                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2803                 ssid = NULL;
2804         } else {
2805                 id = atoi(cmd);
2806                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2807
2808                 ssid = wpa_config_get_network(wpa_s->conf, id);
2809                 if (ssid == NULL) {
2810                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2811                                    "network id=%d", id);
2812                         return -1;
2813                 }
2814                 if (ssid->disabled == 2) {
2815                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2816                                    "DISABLE_NETWORK with persistent P2P "
2817                                    "group");
2818                         return -1;
2819                 }
2820         }
2821         wpa_supplicant_disable_network(wpa_s, ssid);
2822
2823         return 0;
2824 }
2825
2826
2827 static int wpa_supplicant_ctrl_iface_add_network(
2828         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2829 {
2830         struct wpa_ssid *ssid;
2831         int ret;
2832
2833         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2834
2835         ssid = wpa_config_add_network(wpa_s->conf);
2836         if (ssid == NULL)
2837                 return -1;
2838
2839         wpas_notify_network_added(wpa_s, ssid);
2840
2841         ssid->disabled = 1;
2842         wpa_config_set_network_defaults(ssid);
2843
2844         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2845         if (os_snprintf_error(buflen, ret))
2846                 return -1;
2847         return ret;
2848 }
2849
2850
2851 static int wpa_supplicant_ctrl_iface_remove_network(
2852         struct wpa_supplicant *wpa_s, char *cmd)
2853 {
2854         int id;
2855         struct wpa_ssid *ssid;
2856         int was_disabled;
2857
2858         /* cmd: "<network id>" or "all" */
2859         if (os_strcmp(cmd, "all") == 0) {
2860                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2861                 if (wpa_s->sched_scanning)
2862                         wpa_supplicant_cancel_sched_scan(wpa_s);
2863
2864                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2865                 if (wpa_s->current_ssid) {
2866 #ifdef CONFIG_SME
2867                         wpa_s->sme.prev_bssid_set = 0;
2868 #endif /* CONFIG_SME */
2869                         wpa_sm_set_config(wpa_s->wpa, NULL);
2870                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2871                         if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2872                                 wpa_s->own_disconnect_req = 1;
2873                         wpa_supplicant_deauthenticate(
2874                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2875                 }
2876                 ssid = wpa_s->conf->ssid;
2877                 while (ssid) {
2878                         struct wpa_ssid *remove_ssid = ssid;
2879                         id = ssid->id;
2880                         ssid = ssid->next;
2881                         if (wpa_s->last_ssid == remove_ssid)
2882                                 wpa_s->last_ssid = NULL;
2883                         wpas_notify_network_removed(wpa_s, remove_ssid);
2884                         wpa_config_remove_network(wpa_s->conf, id);
2885                 }
2886                 return 0;
2887         }
2888
2889         id = atoi(cmd);
2890         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2891
2892         ssid = wpa_config_get_network(wpa_s->conf, id);
2893         if (ssid)
2894                 wpas_notify_network_removed(wpa_s, ssid);
2895         if (ssid == NULL) {
2896                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2897                            "id=%d", id);
2898                 return -1;
2899         }
2900
2901         if (wpa_s->last_ssid == ssid)
2902                 wpa_s->last_ssid = NULL;
2903
2904         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2905 #ifdef CONFIG_SME
2906                 wpa_s->sme.prev_bssid_set = 0;
2907 #endif /* CONFIG_SME */
2908                 /*
2909                  * Invalidate the EAP session cache if the current or
2910                  * previously used network is removed.
2911                  */
2912                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2913         }
2914
2915         if (ssid == wpa_s->current_ssid) {
2916                 wpa_sm_set_config(wpa_s->wpa, NULL);
2917                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2918
2919                 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2920                         wpa_s->own_disconnect_req = 1;
2921                 wpa_supplicant_deauthenticate(wpa_s,
2922                                               WLAN_REASON_DEAUTH_LEAVING);
2923         }
2924
2925         was_disabled = ssid->disabled;
2926
2927         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2928                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2929                            "network id=%d", id);
2930                 return -1;
2931         }
2932
2933         if (!was_disabled && wpa_s->sched_scanning) {
2934                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2935                            "network from filters");
2936                 wpa_supplicant_cancel_sched_scan(wpa_s);
2937                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2938         }
2939
2940         return 0;
2941 }
2942
2943
2944 static int wpa_supplicant_ctrl_iface_update_network(
2945         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
2946         char *name, char *value)
2947 {
2948         if (wpa_config_set(ssid, name, value, 0) < 0) {
2949                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2950                            "variable '%s'", name);
2951                 return -1;
2952         }
2953
2954         if (os_strcmp(name, "bssid") != 0 &&
2955             os_strcmp(name, "priority") != 0)
2956                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2957
2958         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2959                 /*
2960                  * Invalidate the EAP session cache if anything in the current
2961                  * or previously used configuration changes.
2962                  */
2963                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2964         }
2965
2966         if ((os_strcmp(name, "psk") == 0 &&
2967              value[0] == '"' && ssid->ssid_len) ||
2968             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2969                 wpa_config_update_psk(ssid);
2970         else if (os_strcmp(name, "priority") == 0)
2971                 wpa_config_update_prio_list(wpa_s->conf);
2972
2973         return 0;
2974 }
2975
2976
2977 static int wpa_supplicant_ctrl_iface_set_network(
2978         struct wpa_supplicant *wpa_s, char *cmd)
2979 {
2980         int id, ret, prev_bssid_set, prev_disabled;
2981         struct wpa_ssid *ssid;
2982         char *name, *value;
2983         u8 prev_bssid[ETH_ALEN];
2984
2985         /* cmd: "<network id> <variable name> <value>" */
2986         name = os_strchr(cmd, ' ');
2987         if (name == NULL)
2988                 return -1;
2989         *name++ = '\0';
2990
2991         value = os_strchr(name, ' ');
2992         if (value == NULL)
2993                 return -1;
2994         *value++ = '\0';
2995
2996         id = atoi(cmd);
2997         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2998                    id, name);
2999         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3000                               (u8 *) value, os_strlen(value));
3001
3002         ssid = wpa_config_get_network(wpa_s->conf, id);
3003         if (ssid == NULL) {
3004                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
3005                            "id=%d", id);
3006                 return -1;
3007         }
3008
3009         prev_bssid_set = ssid->bssid_set;
3010         prev_disabled = ssid->disabled;
3011         os_memcpy(prev_bssid, ssid->bssid, ETH_ALEN);
3012         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid, name,
3013                                                        value);
3014         if (ret == 0 &&
3015             (ssid->bssid_set != prev_bssid_set ||
3016              os_memcmp(ssid->bssid, prev_bssid, ETH_ALEN) != 0))
3017                 wpas_notify_network_bssid_set_changed(wpa_s, ssid);
3018
3019         if (prev_disabled != ssid->disabled &&
3020             (prev_disabled == 2 || ssid->disabled == 2))
3021                 wpas_notify_network_type_changed(wpa_s, ssid);
3022
3023         return ret;
3024 }
3025
3026
3027 static int wpa_supplicant_ctrl_iface_get_network(
3028         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
3029 {
3030         int id;
3031         size_t res;
3032         struct wpa_ssid *ssid;
3033         char *name, *value;
3034
3035         /* cmd: "<network id> <variable name>" */
3036         name = os_strchr(cmd, ' ');
3037         if (name == NULL || buflen == 0)
3038                 return -1;
3039         *name++ = '\0';
3040
3041         id = atoi(cmd);
3042         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
3043                    id, name);
3044
3045         ssid = wpa_config_get_network(wpa_s->conf, id);
3046         if (ssid == NULL) {
3047                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
3048                            "id=%d", id);
3049                 return -1;
3050         }
3051
3052         value = wpa_config_get_no_key(ssid, name);
3053         if (value == NULL) {
3054                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3055                            "variable '%s'", name);
3056                 return -1;
3057         }
3058
3059         res = os_strlcpy(buf, value, buflen);
3060         if (res >= buflen) {
3061                 os_free(value);
3062                 return -1;
3063         }
3064
3065         os_free(value);
3066
3067         return res;
3068 }
3069
3070
3071 static int wpa_supplicant_ctrl_iface_dup_network(
3072         struct wpa_supplicant *wpa_s, char *cmd,
3073         struct wpa_supplicant *dst_wpa_s)
3074 {
3075         struct wpa_ssid *ssid_s, *ssid_d;
3076         char *name, *id, *value;
3077         int id_s, id_d, ret;
3078
3079         /* cmd: "<src network id> <dst network id> <variable name>" */
3080         id = os_strchr(cmd, ' ');
3081         if (id == NULL)
3082                 return -1;
3083         *id++ = '\0';
3084
3085         name = os_strchr(id, ' ');
3086         if (name == NULL)
3087                 return -1;
3088         *name++ = '\0';
3089
3090         id_s = atoi(cmd);
3091         id_d = atoi(id);
3092
3093         wpa_printf(MSG_DEBUG,
3094                    "CTRL_IFACE: DUP_NETWORK ifname=%s->%s id=%d->%d name='%s'",
3095                    wpa_s->ifname, dst_wpa_s->ifname, id_s, id_d, name);
3096
3097         ssid_s = wpa_config_get_network(wpa_s->conf, id_s);
3098         if (ssid_s == NULL) {
3099                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3100                            "network id=%d", id_s);
3101                 return -1;
3102         }
3103
3104         ssid_d = wpa_config_get_network(dst_wpa_s->conf, id_d);
3105         if (ssid_d == NULL) {
3106                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3107                            "network id=%d", id_d);
3108                 return -1;
3109         }
3110
3111         value = wpa_config_get(ssid_s, name);
3112         if (value == NULL) {
3113                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3114                            "variable '%s'", name);
3115                 return -1;
3116         }
3117
3118         ret = wpa_supplicant_ctrl_iface_update_network(dst_wpa_s, ssid_d, name,
3119                                                        value);
3120
3121         os_free(value);
3122
3123         return ret;
3124 }
3125
3126
3127 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
3128                                                 char *buf, size_t buflen)
3129 {
3130         char *pos, *end;
3131         struct wpa_cred *cred;
3132         int ret;
3133
3134         pos = buf;
3135         end = buf + buflen;
3136         ret = os_snprintf(pos, end - pos,
3137                           "cred id / realm / username / domain / imsi\n");
3138         if (os_snprintf_error(end - pos, ret))
3139                 return pos - buf;
3140         pos += ret;
3141
3142         cred = wpa_s->conf->cred;
3143         while (cred) {
3144                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
3145                                   cred->id, cred->realm ? cred->realm : "",
3146                                   cred->username ? cred->username : "",
3147                                   cred->domain ? cred->domain[0] : "",
3148                                   cred->imsi ? cred->imsi : "");
3149                 if (os_snprintf_error(end - pos, ret))
3150                         return pos - buf;
3151                 pos += ret;
3152
3153                 cred = cred->next;
3154         }
3155
3156         return pos - buf;
3157 }
3158
3159
3160 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
3161                                               char *buf, size_t buflen)
3162 {
3163         struct wpa_cred *cred;
3164         int ret;
3165
3166         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
3167
3168         cred = wpa_config_add_cred(wpa_s->conf);
3169         if (cred == NULL)
3170                 return -1;
3171
3172         wpa_msg(wpa_s, MSG_INFO, CRED_ADDED "%d", cred->id);
3173
3174         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
3175         if (os_snprintf_error(buflen, ret))
3176                 return -1;
3177         return ret;
3178 }
3179
3180
3181 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
3182                                  struct wpa_cred *cred)
3183 {
3184         struct wpa_ssid *ssid;
3185         char str[20];
3186         int id;
3187
3188         if (cred == NULL) {
3189                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3190                 return -1;
3191         }
3192
3193         id = cred->id;
3194         if (wpa_config_remove_cred(wpa_s->conf, id) < 0) {
3195                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3196                 return -1;
3197         }
3198
3199         wpa_msg(wpa_s, MSG_INFO, CRED_REMOVED "%d", id);
3200
3201         /* Remove any network entry created based on the removed credential */
3202         ssid = wpa_s->conf->ssid;
3203         while (ssid) {
3204                 if (ssid->parent_cred == cred) {
3205                         int res;
3206
3207                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
3208                                    "used the removed credential", ssid->id);
3209                         res = os_snprintf(str, sizeof(str), "%d", ssid->id);
3210                         if (os_snprintf_error(sizeof(str), res))
3211                                 str[sizeof(str) - 1] = '\0';
3212                         ssid = ssid->next;
3213                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
3214                 } else
3215                         ssid = ssid->next;
3216         }
3217
3218         return 0;
3219 }
3220
3221
3222 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
3223                                                  char *cmd)
3224 {
3225         int id;
3226         struct wpa_cred *cred, *prev;
3227
3228         /* cmd: "<cred id>", "all", "sp_fqdn=<FQDN>", or
3229          * "provisioning_sp=<FQDN> */
3230         if (os_strcmp(cmd, "all") == 0) {
3231                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
3232                 cred = wpa_s->conf->cred;
3233                 while (cred) {
3234                         prev = cred;
3235                         cred = cred->next;
3236                         wpas_ctrl_remove_cred(wpa_s, prev);
3237                 }
3238                 return 0;
3239         }
3240
3241         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
3242                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
3243                            cmd + 8);
3244                 cred = wpa_s->conf->cred;
3245                 while (cred) {
3246                         prev = cred;
3247                         cred = cred->next;
3248                         if (prev->domain) {
3249                                 size_t i;
3250                                 for (i = 0; i < prev->num_domain; i++) {
3251                                         if (os_strcmp(prev->domain[i], cmd + 8)
3252                                             != 0)
3253                                                 continue;
3254                                         wpas_ctrl_remove_cred(wpa_s, prev);
3255                                         break;
3256                                 }
3257                         }
3258                 }
3259                 return 0;
3260         }
3261
3262         if (os_strncmp(cmd, "provisioning_sp=", 16) == 0) {
3263                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED provisioning SP FQDN '%s'",
3264                            cmd + 16);
3265                 cred = wpa_s->conf->cred;
3266                 while (cred) {
3267                         prev = cred;
3268                         cred = cred->next;
3269                         if (prev->provisioning_sp &&
3270                             os_strcmp(prev->provisioning_sp, cmd + 16) == 0)
3271                                 wpas_ctrl_remove_cred(wpa_s, prev);
3272                 }
3273                 return 0;
3274         }
3275
3276         id = atoi(cmd);
3277         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
3278
3279         cred = wpa_config_get_cred(wpa_s->conf, id);
3280         return wpas_ctrl_remove_cred(wpa_s, cred);
3281 }
3282
3283
3284 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
3285                                               char *cmd)
3286 {
3287         int id;
3288         struct wpa_cred *cred;
3289         char *name, *value;
3290
3291         /* cmd: "<cred id> <variable name> <value>" */
3292         name = os_strchr(cmd, ' ');
3293         if (name == NULL)
3294                 return -1;
3295         *name++ = '\0';
3296
3297         value = os_strchr(name, ' ');
3298         if (value == NULL)
3299                 return -1;
3300         *value++ = '\0';
3301
3302         id = atoi(cmd);
3303         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
3304                    id, name);
3305         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3306                               (u8 *) value, os_strlen(value));
3307
3308         cred = wpa_config_get_cred(wpa_s->conf, id);
3309         if (cred == NULL) {
3310                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3311                            id);
3312                 return -1;
3313         }
3314
3315         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
3316                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
3317                            "variable '%s'", name);
3318                 return -1;
3319         }
3320
3321         wpa_msg(wpa_s, MSG_INFO, CRED_MODIFIED "%d %s", cred->id, name);
3322
3323         return 0;
3324 }
3325
3326
3327 static int wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant *wpa_s,
3328                                               char *cmd, char *buf,
3329                                               size_t buflen)
3330 {
3331         int id;
3332         size_t res;
3333         struct wpa_cred *cred;
3334         char *name, *value;
3335
3336         /* cmd: "<cred id> <variable name>" */
3337         name = os_strchr(cmd, ' ');
3338         if (name == NULL)
3339                 return -1;
3340         *name++ = '\0';
3341
3342         id = atoi(cmd);
3343         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CRED id=%d name='%s'",
3344                    id, name);
3345
3346         cred = wpa_config_get_cred(wpa_s->conf, id);
3347         if (cred == NULL) {
3348                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3349                            id);
3350                 return -1;
3351         }
3352
3353         value = wpa_config_get_cred_no_key(cred, name);
3354         if (value == NULL) {
3355                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get cred variable '%s'",
3356                            name);
3357                 return -1;
3358         }
3359
3360         res = os_strlcpy(buf, value, buflen);
3361         if (res >= buflen) {
3362                 os_free(value);
3363                 return -1;
3364         }
3365
3366         os_free(value);
3367
3368         return res;
3369 }
3370
3371
3372 #ifndef CONFIG_NO_CONFIG_WRITE
3373 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
3374 {
3375         int ret;
3376
3377         if (!wpa_s->conf->update_config) {
3378                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
3379                            "to update configuration (update_config=0)");
3380                 return -1;
3381         }
3382
3383         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
3384         if (ret) {
3385                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
3386                            "update configuration");
3387         } else {
3388                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
3389                            " updated");
3390         }
3391
3392         return ret;
3393 }
3394 #endif /* CONFIG_NO_CONFIG_WRITE */
3395
3396
3397 struct cipher_info {
3398         unsigned int capa;
3399         const char *name;
3400         int group_only;
3401 };
3402
3403 static const struct cipher_info ciphers[] = {
3404         { WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
3405         { WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
3406         { WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
3407         { WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
3408         { WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
3409         { WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
3410         { WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
3411         { WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
3412 };
3413
3414 static const struct cipher_info ciphers_group_mgmt[] = {
3415         { WPA_DRIVER_CAPA_ENC_BIP, "AES-128-CMAC", 1 },
3416         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_128, "BIP-GMAC-128", 1 },
3417         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_256, "BIP-GMAC-256", 1 },
3418         { WPA_DRIVER_CAPA_ENC_BIP_CMAC_256, "BIP-CMAC-256", 1 },
3419 };
3420
3421
3422 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
3423                                               struct wpa_driver_capa *capa,
3424                                               char *buf, size_t buflen)
3425 {
3426         int ret;
3427         char *pos, *end;
3428         size_t len;
3429         unsigned int i;
3430
3431         pos = buf;
3432         end = pos + buflen;
3433
3434         if (res < 0) {
3435                 if (strict)
3436                         return 0;
3437                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
3438                 if (len >= buflen)
3439                         return -1;
3440                 return len;
3441         }
3442
3443         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3444                 if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
3445                         ret = os_snprintf(pos, end - pos, "%s%s",
3446                                           pos == buf ? "" : " ",
3447                                           ciphers[i].name);
3448                         if (os_snprintf_error(end - pos, ret))
3449                                 return pos - buf;
3450                         pos += ret;
3451                 }
3452         }
3453
3454         return pos - buf;
3455 }
3456
3457
3458 static int ctrl_iface_get_capability_group(int res, char *strict,
3459                                            struct wpa_driver_capa *capa,
3460                                            char *buf, size_t buflen)
3461 {
3462         int ret;
3463         char *pos, *end;
3464         size_t len;
3465         unsigned int i;
3466
3467         pos = buf;
3468         end = pos + buflen;
3469
3470         if (res < 0) {
3471                 if (strict)
3472                         return 0;
3473                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
3474                 if (len >= buflen)
3475                         return -1;
3476                 return len;
3477         }
3478
3479         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3480                 if (capa->enc & ciphers[i].capa) {
3481                         ret = os_snprintf(pos, end - pos, "%s%s",
3482                                           pos == buf ? "" : " ",
3483                                           ciphers[i].name);
3484                         if (os_snprintf_error(end - pos, ret))
3485                                 return pos - buf;
3486                         pos += ret;
3487                 }
3488         }
3489
3490         return pos - buf;
3491 }
3492
3493
3494 static int ctrl_iface_get_capability_group_mgmt(int res, char *strict,
3495                                                 struct wpa_driver_capa *capa,
3496                                                 char *buf, size_t buflen)
3497 {
3498         int ret;
3499         char *pos, *end;
3500         unsigned int i;
3501
3502         pos = buf;
3503         end = pos + buflen;
3504
3505         if (res < 0)
3506                 return 0;
3507
3508         for (i = 0; i < ARRAY_SIZE(ciphers_group_mgmt); i++) {
3509                 if (capa->enc & ciphers_group_mgmt[i].capa) {
3510                         ret = os_snprintf(pos, end - pos, "%s%s",
3511                                           pos == buf ? "" : " ",
3512                                           ciphers_group_mgmt[i].name);
3513                         if (os_snprintf_error(end - pos, ret))
3514                                 return pos - buf;
3515                         pos += ret;
3516                 }
3517         }
3518
3519         return pos - buf;
3520 }
3521
3522
3523 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
3524                                               struct wpa_driver_capa *capa,
3525                                               char *buf, size_t buflen)
3526 {
3527         int ret;
3528         char *pos, *end;
3529         size_t len;
3530
3531         pos = buf;
3532         end = pos + buflen;
3533
3534         if (res < 0) {
3535                 if (strict)
3536                         return 0;
3537                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
3538                                  "NONE", buflen);
3539                 if (len >= buflen)
3540                         return -1;
3541                 return len;
3542         }
3543
3544         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
3545         if (os_snprintf_error(end - pos, ret))
3546                 return pos - buf;
3547         pos += ret;
3548
3549         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3550                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
3551                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
3552                 if (os_snprintf_error(end - pos, ret))
3553                         return pos - buf;
3554                 pos += ret;
3555         }
3556
3557         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3558                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3559                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
3560                 if (os_snprintf_error(end - pos, ret))
3561                         return pos - buf;
3562                 pos += ret;
3563         }
3564
3565         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
3566                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
3567                 if (os_snprintf_error(end - pos, ret))
3568                         return pos - buf;
3569                 pos += ret;
3570         }
3571
3572 #ifdef CONFIG_SUITEB
3573         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B) {
3574                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B");
3575                 if (os_snprintf_error(end - pos, ret))
3576                         return pos - buf;
3577                 pos += ret;
3578         }
3579 #endif /* CONFIG_SUITEB */
3580 #ifdef CONFIG_SUITEB192
3581         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192) {
3582                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B-192");
3583                 if (os_snprintf_error(end - pos, ret))
3584                         return pos - buf;
3585                 pos += ret;
3586         }
3587 #endif /* CONFIG_SUITEB192 */
3588
3589         return pos - buf;
3590 }
3591
3592
3593 static int ctrl_iface_get_capability_proto(int res, char *strict,
3594                                            struct wpa_driver_capa *capa,
3595                                            char *buf, size_t buflen)
3596 {
3597         int ret;
3598         char *pos, *end;
3599         size_t len;
3600
3601         pos = buf;
3602         end = pos + buflen;
3603
3604         if (res < 0) {
3605                 if (strict)
3606                         return 0;
3607                 len = os_strlcpy(buf, "RSN WPA", buflen);
3608                 if (len >= buflen)
3609                         return -1;
3610                 return len;
3611         }
3612
3613         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3614                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3615                 ret = os_snprintf(pos, end - pos, "%sRSN",
3616                                   pos == buf ? "" : " ");
3617                 if (os_snprintf_error(end - pos, ret))
3618                         return pos - buf;
3619                 pos += ret;
3620         }
3621
3622         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3623                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
3624                 ret = os_snprintf(pos, end - pos, "%sWPA",
3625                                   pos == buf ? "" : " ");
3626                 if (os_snprintf_error(end - pos, ret))
3627                         return pos - buf;
3628                 pos += ret;
3629         }
3630
3631         return pos - buf;
3632 }
3633
3634
3635 static int ctrl_iface_get_capability_auth_alg(struct wpa_supplicant *wpa_s,
3636                                               int res, char *strict,
3637                                               struct wpa_driver_capa *capa,
3638                                               char *buf, size_t buflen)
3639 {
3640         int ret;
3641         char *pos, *end;
3642         size_t len;
3643
3644         pos = buf;
3645         end = pos + buflen;
3646
3647         if (res < 0) {
3648                 if (strict)
3649                         return 0;
3650                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3651                 if (len >= buflen)
3652                         return -1;
3653                 return len;
3654         }
3655
3656         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3657                 ret = os_snprintf(pos, end - pos, "%sOPEN",
3658                                   pos == buf ? "" : " ");
3659                 if (os_snprintf_error(end - pos, ret))
3660                         return pos - buf;
3661                 pos += ret;
3662         }
3663
3664         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
3665                 ret = os_snprintf(pos, end - pos, "%sSHARED",
3666                                   pos == buf ? "" : " ");
3667                 if (os_snprintf_error(end - pos, ret))
3668                         return pos - buf;
3669                 pos += ret;
3670         }
3671
3672         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3673                 ret = os_snprintf(pos, end - pos, "%sLEAP",
3674                                   pos == buf ? "" : " ");
3675                 if (os_snprintf_error(end - pos, ret))
3676                         return pos - buf;
3677                 pos += ret;
3678         }
3679
3680 #ifdef CONFIG_SAE
3681         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE) {
3682                 ret = os_snprintf(pos, end - pos, "%sSAE",
3683                                   pos == buf ? "" : " ");
3684                 if (os_snprintf_error(end - pos, ret))
3685                         return pos - buf;
3686                 pos += ret;
3687         }
3688 #endif /* CONFIG_SAE */
3689
3690         return pos - buf;
3691 }
3692
3693
3694 static int ctrl_iface_get_capability_modes(int res, char *strict,
3695                                            struct wpa_driver_capa *capa,
3696                                            char *buf, size_t buflen)
3697 {
3698         int ret;
3699         char *pos, *end;
3700         size_t len;
3701
3702         pos = buf;
3703         end = pos + buflen;
3704
3705         if (res < 0) {
3706                 if (strict)
3707                         return 0;
3708                 len = os_strlcpy(buf, "IBSS AP", buflen);
3709                 if (len >= buflen)
3710                         return -1;
3711                 return len;
3712         }
3713
3714         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3715                 ret = os_snprintf(pos, end - pos, "%sIBSS",
3716                                   pos == buf ? "" : " ");
3717                 if (os_snprintf_error(end - pos, ret))
3718                         return pos - buf;
3719                 pos += ret;
3720         }
3721
3722         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3723                 ret = os_snprintf(pos, end - pos, "%sAP",
3724                                   pos == buf ? "" : " ");
3725                 if (os_snprintf_error(end - pos, ret))
3726                         return pos - buf;
3727                 pos += ret;
3728         }
3729
3730 #ifdef CONFIG_MESH
3731         if (capa->flags & WPA_DRIVER_FLAGS_MESH) {
3732                 ret = os_snprintf(pos, end - pos, "%sMESH",
3733                                   pos == buf ? "" : " ");
3734                 if (os_snprintf_error(end - pos, ret))
3735                         return pos - buf;
3736                 pos += ret;
3737         }
3738 #endif /* CONFIG_MESH */
3739
3740         return pos - buf;
3741 }
3742
3743
3744 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3745                                               char *buf, size_t buflen)
3746 {
3747         struct hostapd_channel_data *chnl;
3748         int ret, i, j;
3749         char *pos, *end, *hmode;
3750
3751         pos = buf;
3752         end = pos + buflen;
3753
3754         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3755                 switch (wpa_s->hw.modes[j].mode) {
3756                 case HOSTAPD_MODE_IEEE80211B:
3757                         hmode = "B";
3758                         break;
3759                 case HOSTAPD_MODE_IEEE80211G:
3760                         hmode = "G";
3761                         break;
3762                 case HOSTAPD_MODE_IEEE80211A:
3763                         hmode = "A";
3764                         break;
3765                 case HOSTAPD_MODE_IEEE80211AD:
3766                         hmode = "AD";
3767                         break;
3768                 default:
3769                         continue;
3770                 }
3771                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3772                 if (os_snprintf_error(end - pos, ret))
3773                         return pos - buf;
3774                 pos += ret;
3775                 chnl = wpa_s->hw.modes[j].channels;
3776                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3777                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3778                                 continue;
3779                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3780                         if (os_snprintf_error(end - pos, ret))
3781                                 return pos - buf;
3782                         pos += ret;
3783                 }
3784                 ret = os_snprintf(pos, end - pos, "\n");
3785                 if (os_snprintf_error(end - pos, ret))
3786                         return pos - buf;
3787                 pos += ret;
3788         }
3789
3790         return pos - buf;
3791 }
3792
3793
3794 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3795                                           char *buf, size_t buflen)
3796 {
3797         struct hostapd_channel_data *chnl;
3798         int ret, i, j;
3799         char *pos, *end, *hmode;
3800
3801         pos = buf;
3802         end = pos + buflen;
3803
3804         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3805                 switch (wpa_s->hw.modes[j].mode) {
3806                 case HOSTAPD_MODE_IEEE80211B:
3807                         hmode = "B";
3808                         break;
3809                 case HOSTAPD_MODE_IEEE80211G:
3810                         hmode = "G";
3811                         break;
3812                 case HOSTAPD_MODE_IEEE80211A:
3813                         hmode = "A";
3814                         break;
3815                 case HOSTAPD_MODE_IEEE80211AD:
3816                         hmode = "AD";
3817                         break;
3818                 default:
3819                         continue;
3820                 }
3821                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3822                                   hmode);
3823                 if (os_snprintf_error(end - pos, ret))
3824                         return pos - buf;
3825                 pos += ret;
3826                 chnl = wpa_s->hw.modes[j].channels;
3827                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3828                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3829                                 continue;
3830                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s%s\n",
3831                                           chnl[i].chan, chnl[i].freq,
3832                                           chnl[i].flag & HOSTAPD_CHAN_NO_IR ?
3833                                           " (NO_IR)" : "",
3834                                           chnl[i].flag & HOSTAPD_CHAN_RADAR ?
3835                                           " (DFS)" : "");
3836
3837                         if (os_snprintf_error(end - pos, ret))
3838                                 return pos - buf;
3839                         pos += ret;
3840                 }
3841                 ret = os_snprintf(pos, end - pos, "\n");
3842                 if (os_snprintf_error(end - pos, ret))
3843                         return pos - buf;
3844                 pos += ret;
3845         }
3846
3847         return pos - buf;
3848 }
3849
3850
3851 static int wpa_supplicant_ctrl_iface_get_capability(
3852         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3853         size_t buflen)
3854 {
3855         struct wpa_driver_capa capa;
3856         int res;
3857         char *strict;
3858         char field[30];
3859         size_t len;
3860
3861         /* Determine whether or not strict checking was requested */
3862         len = os_strlcpy(field, _field, sizeof(field));
3863         if (len >= sizeof(field))
3864                 return -1;
3865         strict = os_strchr(field, ' ');
3866         if (strict != NULL) {
3867                 *strict++ = '\0';
3868                 if (os_strcmp(strict, "strict") != 0)
3869                         return -1;
3870         }
3871
3872         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3873                 field, strict ? strict : "");
3874
3875         if (os_strcmp(field, "eap") == 0) {
3876                 return eap_get_names(buf, buflen);
3877         }
3878
3879         res = wpa_drv_get_capa(wpa_s, &capa);
3880
3881         if (os_strcmp(field, "pairwise") == 0)
3882                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3883                                                           buf, buflen);
3884
3885         if (os_strcmp(field, "group") == 0)
3886                 return ctrl_iface_get_capability_group(res, strict, &capa,
3887                                                        buf, buflen);
3888
3889         if (os_strcmp(field, "group_mgmt") == 0)
3890                 return ctrl_iface_get_capability_group_mgmt(res, strict, &capa,
3891                                                             buf, buflen);
3892
3893         if (os_strcmp(field, "key_mgmt") == 0)
3894                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3895                                                           buf, buflen);
3896
3897         if (os_strcmp(field, "proto") == 0)
3898                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3899                                                        buf, buflen);
3900
3901         if (os_strcmp(field, "auth_alg") == 0)
3902                 return ctrl_iface_get_capability_auth_alg(wpa_s, res, strict,
3903                                                           &capa, buf, buflen);
3904
3905         if (os_strcmp(field, "modes") == 0)
3906                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3907                                                        buf, buflen);
3908
3909         if (os_strcmp(field, "channels") == 0)
3910                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3911
3912         if (os_strcmp(field, "freq") == 0)
3913                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3914
3915 #ifdef CONFIG_TDLS
3916         if (os_strcmp(field, "tdls") == 0)
3917                 return ctrl_iface_get_capability_tdls(wpa_s, buf, buflen);
3918 #endif /* CONFIG_TDLS */
3919
3920 #ifdef CONFIG_ERP
3921         if (os_strcmp(field, "erp") == 0) {
3922                 res = os_snprintf(buf, buflen, "ERP");
3923                 if (os_snprintf_error(buflen, res))
3924                         return -1;
3925                 return res;
3926         }
3927 #endif /* CONFIG_EPR */
3928
3929 #ifdef CONFIG_FIPS
3930         if (os_strcmp(field, "fips") == 0) {
3931                 res = os_snprintf(buf, buflen, "FIPS");
3932                 if (os_snprintf_error(buflen, res))
3933                         return -1;
3934                 return res;
3935         }
3936 #endif /* CONFIG_FIPS */
3937
3938         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3939                    field);
3940
3941         return -1;
3942 }
3943
3944
3945 #ifdef CONFIG_INTERWORKING
3946 static char * anqp_add_hex(char *pos, char *end, const char *title,
3947                            struct wpabuf *data)
3948 {
3949         char *start = pos;
3950         size_t i;
3951         int ret;
3952         const u8 *d;
3953
3954         if (data == NULL)
3955                 return start;
3956
3957         ret = os_snprintf(pos, end - pos, "%s=", title);
3958         if (os_snprintf_error(end - pos, ret))
3959                 return start;
3960         pos += ret;
3961
3962         d = wpabuf_head_u8(data);
3963         for (i = 0; i < wpabuf_len(data); i++) {
3964                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3965                 if (os_snprintf_error(end - pos, ret))
3966                         return start;
3967                 pos += ret;
3968         }
3969
3970         ret = os_snprintf(pos, end - pos, "\n");
3971         if (os_snprintf_error(end - pos, ret))
3972                 return start;
3973         pos += ret;
3974
3975         return pos;
3976 }
3977 #endif /* CONFIG_INTERWORKING */
3978
3979
3980 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3981                           unsigned long mask, char *buf, size_t buflen)
3982 {
3983         size_t i;
3984         int ret;
3985         char *pos, *end;
3986         const u8 *ie, *ie2, *osen_ie;
3987
3988         pos = buf;
3989         end = buf + buflen;
3990
3991         if (mask & WPA_BSS_MASK_ID) {
3992                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3993                 if (os_snprintf_error(end - pos, ret))
3994                         return 0;
3995                 pos += ret;
3996         }
3997
3998         if (mask & WPA_BSS_MASK_BSSID) {
3999                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
4000                                   MAC2STR(bss->bssid));
4001                 if (os_snprintf_error(end - pos, ret))
4002                         return 0;
4003                 pos += ret;
4004         }
4005
4006         if (mask & WPA_BSS_MASK_FREQ) {
4007                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
4008                 if (os_snprintf_error(end - pos, ret))
4009                         return 0;
4010                 pos += ret;
4011         }
4012
4013         if (mask & WPA_BSS_MASK_BEACON_INT) {
4014                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
4015                                   bss->beacon_int);
4016                 if (os_snprintf_error(end - pos, ret))
4017                         return 0;
4018                 pos += ret;
4019         }
4020
4021         if (mask & WPA_BSS_MASK_CAPABILITIES) {
4022                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
4023                                   bss->caps);
4024                 if (os_snprintf_error(end - pos, ret))
4025                         return 0;
4026                 pos += ret;
4027         }
4028
4029         if (mask & WPA_BSS_MASK_QUAL) {
4030                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
4031                 if (os_snprintf_error(end - pos, ret))
4032                         return 0;
4033                 pos += ret;
4034         }
4035
4036         if (mask & WPA_BSS_MASK_NOISE) {
4037                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
4038                 if (os_snprintf_error(end - pos, ret))
4039                         return 0;
4040                 pos += ret;
4041         }
4042
4043         if (mask & WPA_BSS_MASK_LEVEL) {
4044                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
4045                 if (os_snprintf_error(end - pos, ret))
4046                         return 0;
4047                 pos += ret;
4048         }
4049
4050         if (mask & WPA_BSS_MASK_TSF) {
4051                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
4052                                   (unsigned long long) bss->tsf);
4053                 if (os_snprintf_error(end - pos, ret))
4054                         return 0;
4055                 pos += ret;
4056         }
4057
4058         if (mask & WPA_BSS_MASK_AGE) {
4059                 struct os_reltime now;
4060
4061                 os_get_reltime(&now);
4062                 ret = os_snprintf(pos, end - pos, "age=%d\n",
4063                                   (int) (now.sec - bss->last_update.sec));
4064                 if (os_snprintf_error(end - pos, ret))
4065                         return 0;
4066                 pos += ret;
4067         }
4068
4069         if (mask & WPA_BSS_MASK_IE) {
4070                 ret = os_snprintf(pos, end - pos, "ie=");
4071                 if (os_snprintf_error(end - pos, ret))
4072                         return 0;
4073                 pos += ret;
4074
4075                 ie = (const u8 *) (bss + 1);
4076                 for (i = 0; i < bss->ie_len; i++) {
4077                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
4078                         if (os_snprintf_error(end - pos, ret))
4079                                 return 0;
4080                         pos += ret;
4081                 }
4082
4083                 ret = os_snprintf(pos, end - pos, "\n");
4084                 if (os_snprintf_error(end - pos, ret))
4085                         return 0;
4086                 pos += ret;
4087         }
4088
4089         if (mask & WPA_BSS_MASK_FLAGS) {
4090                 ret = os_snprintf(pos, end - pos, "flags=");
4091                 if (os_snprintf_error(end - pos, ret))
4092                         return 0;
4093                 pos += ret;
4094
4095                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
4096                 if (ie)
4097                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
4098                                                     2 + ie[1]);
4099                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
4100                 if (ie2)
4101                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
4102                                                     2 + ie2[1]);
4103                 osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
4104                 if (osen_ie)
4105                         pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
4106                                                     osen_ie, 2 + osen_ie[1]);
4107                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
4108                 if (!ie && !ie2 && !osen_ie &&
4109                     (bss->caps & IEEE80211_CAP_PRIVACY)) {
4110                         ret = os_snprintf(pos, end - pos, "[WEP]");
4111                         if (os_snprintf_error(end - pos, ret))
4112                                 return 0;
4113                         pos += ret;
4114                 }
4115                 if (bss_is_dmg(bss)) {
4116                         const char *s;
4117                         ret = os_snprintf(pos, end - pos, "[DMG]");
4118                         if (os_snprintf_error(end - pos, ret))
4119                                 return 0;
4120                         pos += ret;
4121                         switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
4122                         case IEEE80211_CAP_DMG_IBSS:
4123                                 s = "[IBSS]";
4124                                 break;
4125                         case IEEE80211_CAP_DMG_AP:
4126                                 s = "[ESS]";
4127                                 break;
4128                         case IEEE80211_CAP_DMG_PBSS:
4129                                 s = "[PBSS]";
4130                                 break;
4131                         default:
4132                                 s = "";
4133                                 break;
4134                         }
4135                         ret = os_snprintf(pos, end - pos, "%s", s);
4136                         if (os_snprintf_error(end - pos, ret))
4137                                 return 0;
4138                         pos += ret;
4139                 } else {
4140                         if (bss->caps & IEEE80211_CAP_IBSS) {
4141                                 ret = os_snprintf(pos, end - pos, "[IBSS]");
4142                                 if (os_snprintf_error(end - pos, ret))
4143                                         return 0;
4144                                 pos += ret;
4145                         }
4146                         if (bss->caps & IEEE80211_CAP_ESS) {
4147                                 ret = os_snprintf(pos, end - pos, "[ESS]");
4148                                 if (os_snprintf_error(end - pos, ret))
4149                                         return 0;
4150                                 pos += ret;
4151                         }
4152                 }
4153                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
4154                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
4155                         ret = os_snprintf(pos, end - pos, "[P2P]");
4156                         if (os_snprintf_error(end - pos, ret))
4157                                 return 0;
4158                         pos += ret;
4159                 }
4160 #ifdef CONFIG_HS20
4161                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
4162                         ret = os_snprintf(pos, end - pos, "[HS20]");
4163                         if (os_snprintf_error(end - pos, ret))
4164                                 return 0;
4165                         pos += ret;
4166                 }
4167 #endif /* CONFIG_HS20 */
4168
4169                 ret = os_snprintf(pos, end - pos, "\n");
4170                 if (os_snprintf_error(end - pos, ret))
4171                         return 0;
4172                 pos += ret;
4173         }
4174
4175         if (mask & WPA_BSS_MASK_SSID) {
4176                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
4177                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
4178                 if (os_snprintf_error(end - pos, ret))
4179                         return 0;
4180                 pos += ret;
4181         }
4182
4183 #ifdef CONFIG_WPS
4184         if (mask & WPA_BSS_MASK_WPS_SCAN) {
4185                 ie = (const u8 *) (bss + 1);
4186                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
4187                 if (ret < 0 || ret >= end - pos)
4188                         return 0;
4189                 pos += ret;
4190         }
4191 #endif /* CONFIG_WPS */
4192
4193 #ifdef CONFIG_P2P
4194         if (mask & WPA_BSS_MASK_P2P_SCAN) {
4195                 ie = (const u8 *) (bss + 1);
4196                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
4197                 if (ret < 0 || ret >= end - pos)
4198                         return 0;
4199                 pos += ret;
4200         }
4201 #endif /* CONFIG_P2P */
4202
4203 #ifdef CONFIG_WIFI_DISPLAY
4204         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
4205                 struct wpabuf *wfd;
4206                 ie = (const u8 *) (bss + 1);
4207                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
4208                                                   WFD_IE_VENDOR_TYPE);
4209                 if (wfd) {
4210                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
4211                         if (os_snprintf_error(end - pos, ret)) {
4212                                 wpabuf_free(wfd);
4213                                 return 0;
4214                         }
4215                         pos += ret;
4216
4217                         pos += wpa_snprintf_hex(pos, end - pos,
4218                                                 wpabuf_head(wfd),
4219                                                 wpabuf_len(wfd));
4220                         wpabuf_free(wfd);
4221
4222                         ret = os_snprintf(pos, end - pos, "\n");
4223                         if (os_snprintf_error(end - pos, ret))
4224                                 return 0;
4225                         pos += ret;
4226                 }
4227         }
4228 #endif /* CONFIG_WIFI_DISPLAY */
4229
4230 #ifdef CONFIG_INTERWORKING
4231         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
4232                 struct wpa_bss_anqp *anqp = bss->anqp;
4233                 pos = anqp_add_hex(pos, end, "anqp_capability_list",
4234                                    anqp->capability_list);
4235                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
4236                                    anqp->venue_name);
4237                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
4238                                    anqp->network_auth_type);
4239                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
4240                                    anqp->roaming_consortium);
4241                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
4242                                    anqp->ip_addr_type_availability);
4243                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
4244                                    anqp->nai_realm);
4245                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
4246                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
4247                                    anqp->domain_name);
4248 #ifdef CONFIG_HS20
4249                 pos = anqp_add_hex(pos, end, "hs20_capability_list",
4250                                    anqp->hs20_capability_list);
4251                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
4252                                    anqp->hs20_operator_friendly_name);
4253                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
4254                                    anqp->hs20_wan_metrics);
4255                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
4256                                    anqp->hs20_connection_capability);
4257                 pos = anqp_add_hex(pos, end, "hs20_operating_class",
4258                                    anqp->hs20_operating_class);
4259                 pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
4260                                    anqp->hs20_osu_providers_list);
4261 #endif /* CONFIG_HS20 */
4262         }
4263 #endif /* CONFIG_INTERWORKING */
4264
4265 #ifdef CONFIG_MESH
4266         if (mask & WPA_BSS_MASK_MESH_SCAN) {
4267                 ie = (const u8 *) (bss + 1);
4268                 ret = wpas_mesh_scan_result_text(ie, bss->ie_len, pos, end);
4269                 if (ret < 0 || ret >= end - pos)
4270                         return 0;
4271                 pos += ret;
4272         }
4273 #endif /* CONFIG_MESH */
4274
4275         if (mask & WPA_BSS_MASK_SNR) {
4276                 ret = os_snprintf(pos, end - pos, "snr=%d\n", bss->snr);
4277                 if (os_snprintf_error(end - pos, ret))
4278                         return 0;
4279                 pos += ret;
4280         }
4281
4282         if (mask & WPA_BSS_MASK_EST_THROUGHPUT) {
4283                 ret = os_snprintf(pos, end - pos, "est_throughput=%d\n",
4284                                   bss->est_throughput);
4285                 if (os_snprintf_error(end - pos, ret))
4286                         return 0;
4287                 pos += ret;
4288         }
4289
4290 #ifdef CONFIG_FST
4291         if (mask & WPA_BSS_MASK_FST) {
4292                 ret = fst_ctrl_iface_mb_info(bss->bssid, pos, end - pos);
4293                 if (ret < 0 || ret >= end - pos)
4294                         return 0;
4295                 pos += ret;
4296         }
4297 #endif /* CONFIG_FST */
4298
4299         if (mask & WPA_BSS_MASK_DELIM) {
4300                 ret = os_snprintf(pos, end - pos, "====\n");
4301                 if (os_snprintf_error(end - pos, ret))
4302                         return 0;
4303                 pos += ret;
4304         }
4305
4306         return pos - buf;
4307 }
4308
4309
4310 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
4311                                          const char *cmd, char *buf,
4312                                          size_t buflen)
4313 {
4314         u8 bssid[ETH_ALEN];
4315         size_t i;
4316         struct wpa_bss *bss;
4317         struct wpa_bss *bsslast = NULL;
4318         struct dl_list *next;
4319         int ret = 0;
4320         int len;
4321         char *ctmp, *end = buf + buflen;
4322         unsigned long mask = WPA_BSS_MASK_ALL;
4323
4324         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
4325                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
4326                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
4327                                             list_id);
4328                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
4329                                                list_id);
4330                 } else { /* N1-N2 */
4331                         unsigned int id1, id2;
4332
4333                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
4334                                 wpa_printf(MSG_INFO, "Wrong BSS range "
4335                                            "format");
4336                                 return 0;
4337                         }
4338
4339                         if (*(cmd + 6) == '-')
4340                                 id1 = 0;
4341                         else
4342                                 id1 = atoi(cmd + 6);
4343                         ctmp++;
4344                         if (*ctmp >= '0' && *ctmp <= '9')
4345                                 id2 = atoi(ctmp);
4346                         else
4347                                 id2 = (unsigned int) -1;
4348                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
4349                         if (id2 == (unsigned int) -1)
4350                                 bsslast = dl_list_last(&wpa_s->bss_id,
4351                                                        struct wpa_bss,
4352                                                        list_id);
4353                         else {
4354                                 bsslast = wpa_bss_get_id(wpa_s, id2);
4355                                 if (bsslast == NULL && bss && id2 > id1) {
4356                                         struct wpa_bss *tmp = bss;
4357                                         for (;;) {
4358                                                 next = tmp->list_id.next;
4359                                                 if (next == &wpa_s->bss_id)
4360                                                         break;
4361                                                 tmp = dl_list_entry(
4362                                                         next, struct wpa_bss,
4363                                                         list_id);
4364                                                 if (tmp->id > id2)
4365                                                         break;
4366                                                 bsslast = tmp;
4367                                         }
4368                                 }
4369                         }
4370                 }
4371         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
4372                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
4373         else if (os_strncmp(cmd, "LAST", 4) == 0)
4374                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
4375         else if (os_strncmp(cmd, "ID-", 3) == 0) {
4376                 i = atoi(cmd + 3);
4377                 bss = wpa_bss_get_id(wpa_s, i);
4378         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4379                 i = atoi(cmd + 5);
4380                 bss = wpa_bss_get_id(wpa_s, i);
4381                 if (bss) {
4382                         next = bss->list_id.next;
4383                         if (next == &wpa_s->bss_id)
4384                                 bss = NULL;
4385                         else
4386                                 bss = dl_list_entry(next, struct wpa_bss,
4387                                                     list_id);
4388                 }
4389 #ifdef CONFIG_P2P
4390         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
4391                 if (hwaddr_aton(cmd + 13, bssid) == 0)
4392                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
4393                 else
4394                         bss = NULL;
4395 #endif /* CONFIG_P2P */
4396         } else if (hwaddr_aton(cmd, bssid) == 0)
4397                 bss = wpa_bss_get_bssid(wpa_s, bssid);
4398         else {
4399                 struct wpa_bss *tmp;
4400                 i = atoi(cmd);
4401                 bss = NULL;
4402                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
4403                 {
4404                         if (i-- == 0) {
4405                                 bss = tmp;
4406                                 break;
4407                         }
4408                 }
4409         }
4410
4411         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
4412                 mask = strtoul(ctmp + 5, NULL, 0x10);
4413                 if (mask == 0)
4414                         mask = WPA_BSS_MASK_ALL;
4415         }
4416
4417         if (bss == NULL)
4418                 return 0;
4419
4420         if (bsslast == NULL)
4421                 bsslast = bss;
4422         do {
4423                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
4424                 ret += len;
4425                 buf += len;
4426                 buflen -= len;
4427                 if (bss == bsslast) {
4428                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
4429                             (bss == dl_list_last(&wpa_s->bss_id,
4430                                                  struct wpa_bss, list_id))) {
4431                                 int res;
4432
4433                                 res = os_snprintf(buf - 5, end - buf + 5,
4434                                                   "####\n");
4435                                 if (os_snprintf_error(end - buf + 5, res)) {
4436                                         wpa_printf(MSG_DEBUG,
4437                                                    "Could not add end delim");
4438                                 }
4439                         }
4440                         break;
4441                 }
4442                 next = bss->list_id.next;
4443                 if (next == &wpa_s->bss_id)
4444                         break;
4445                 bss = dl_list_entry(next, struct wpa_bss, list_id);
4446         } while (bss && len);
4447
4448         return ret;
4449 }
4450
4451
4452 static int wpa_supplicant_ctrl_iface_ap_scan(
4453         struct wpa_supplicant *wpa_s, char *cmd)
4454 {
4455         int ap_scan = atoi(cmd);
4456         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
4457 }
4458
4459
4460 static int wpa_supplicant_ctrl_iface_scan_interval(
4461         struct wpa_supplicant *wpa_s, char *cmd)
4462 {
4463         int scan_int = atoi(cmd);
4464         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
4465 }
4466
4467
4468 static int wpa_supplicant_ctrl_iface_bss_expire_age(
4469         struct wpa_supplicant *wpa_s, char *cmd)
4470 {
4471         int expire_age = atoi(cmd);
4472         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
4473 }
4474
4475
4476 static int wpa_supplicant_ctrl_iface_bss_expire_count(
4477         struct wpa_supplicant *wpa_s, char *cmd)
4478 {
4479         int expire_count = atoi(cmd);
4480         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
4481 }
4482
4483
4484 static void wpa_supplicant_ctrl_iface_bss_flush(
4485         struct wpa_supplicant *wpa_s, char *cmd)
4486 {
4487         int flush_age = atoi(cmd);
4488
4489         if (flush_age == 0)
4490                 wpa_bss_flush(wpa_s);
4491         else
4492                 wpa_bss_flush_by_age(wpa_s, flush_age);
4493 }
4494
4495
4496 #ifdef CONFIG_TESTING_OPTIONS
4497 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
4498 {
4499         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
4500         /* MLME-DELETEKEYS.request */
4501         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
4502         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
4503         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
4504         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
4505 #ifdef CONFIG_IEEE80211W
4506         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
4507         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
4508 #endif /* CONFIG_IEEE80211W */
4509
4510         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
4511                         0);
4512         /* MLME-SETPROTECTION.request(None) */
4513         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
4514                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
4515                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
4516         wpa_sm_drop_sa(wpa_s->wpa);
4517 }
4518 #endif /* CONFIG_TESTING_OPTIONS */
4519
4520
4521 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
4522                                           char *addr)
4523 {
4524 #ifdef CONFIG_NO_SCAN_PROCESSING
4525         return -1;
4526 #else /* CONFIG_NO_SCAN_PROCESSING */
4527         u8 bssid[ETH_ALEN];
4528         struct wpa_bss *bss;
4529         struct wpa_ssid *ssid = wpa_s->current_ssid;
4530
4531         if (hwaddr_aton(addr, bssid)) {
4532                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
4533                            "address '%s'", addr);
4534                 return -1;
4535         }
4536
4537         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
4538
4539         if (!ssid) {
4540                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
4541                            "configuration known for the target AP");
4542                 return -1;
4543         }
4544
4545         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
4546         if (!bss) {
4547                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
4548                            "from BSS table");
4549                 return -1;
4550         }
4551
4552         /*
4553          * TODO: Find best network configuration block from configuration to
4554          * allow roaming to other networks
4555          */
4556
4557         wpa_s->reassociate = 1;
4558         wpa_supplicant_connect(wpa_s, bss, ssid);
4559
4560         return 0;
4561 #endif /* CONFIG_NO_SCAN_PROCESSING */
4562 }
4563
4564
4565 #ifdef CONFIG_P2P
4566 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
4567 {
4568         unsigned int timeout = atoi(cmd);
4569         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
4570         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
4571         u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
4572         char *pos;
4573         unsigned int search_delay;
4574         const char *_seek[P2P_MAX_QUERY_HASH + 1], **seek = NULL;
4575         u8 seek_count = 0;
4576         int freq = 0;
4577
4578         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4579                 wpa_dbg(wpa_s, MSG_INFO,
4580                         "Reject P2P_FIND since interface is disabled");
4581                 return -1;
4582         }
4583         if (os_strstr(cmd, "type=social"))
4584                 type = P2P_FIND_ONLY_SOCIAL;
4585         else if (os_strstr(cmd, "type=progressive"))
4586                 type = P2P_FIND_PROGRESSIVE;
4587
4588         pos = os_strstr(cmd, "dev_id=");
4589         if (pos) {
4590                 pos += 7;
4591                 if (hwaddr_aton(pos, dev_id))
4592                         return -1;
4593                 _dev_id = dev_id;
4594         }
4595
4596         pos = os_strstr(cmd, "dev_type=");
4597         if (pos) {
4598                 pos += 9;
4599                 if (wps_dev_type_str2bin(pos, dev_type) < 0)
4600                         return -1;
4601                 _dev_type = dev_type;
4602         }
4603
4604         pos = os_strstr(cmd, "delay=");
4605         if (pos) {
4606                 pos += 6;
4607                 search_delay = atoi(pos);
4608         } else
4609                 search_delay = wpas_p2p_search_delay(wpa_s);
4610
4611         pos = os_strstr(cmd, "freq=");
4612         if (pos) {
4613                 pos += 5;
4614                 freq = atoi(pos);
4615                 if (freq <= 0)
4616                         return -1;
4617         }
4618
4619         /* Must be searched for last, because it adds nul termination */
4620         pos = os_strstr(cmd, " seek=");
4621         if (pos)
4622                 pos += 6;
4623         while (pos && seek_count < P2P_MAX_QUERY_HASH + 1) {
4624                 char *term;
4625
4626                 _seek[seek_count++] = pos;
4627                 seek = _seek;
4628                 term = os_strchr(pos, ' ');
4629                 if (!term)
4630                         break;
4631                 *term = '\0';
4632                 pos = os_strstr(term + 1, "seek=");
4633                 if (pos)
4634                         pos += 5;
4635         }
4636         if (seek_count > P2P_MAX_QUERY_HASH) {
4637                 seek[0] = NULL;
4638                 seek_count = 1;
4639         }
4640
4641         return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
4642                              _dev_id, search_delay, seek_count, seek, freq);
4643 }
4644
4645
4646 static int p2ps_ctrl_parse_cpt_priority(const char *pos, u8 *cpt)
4647 {
4648         const char *last = NULL;
4649         const char *token;
4650         long int token_len;
4651         unsigned int i;
4652
4653         /* Expected predefined CPT names delimited by ':' */
4654         for (i = 0; (token = cstr_token(pos, ": \t", &last)); i++) {
4655                 if (i >= P2PS_FEATURE_CAPAB_CPT_MAX) {
4656                         wpa_printf(MSG_ERROR,
4657                                    "P2PS: CPT name list is too long, expected up to %d names",
4658                                    P2PS_FEATURE_CAPAB_CPT_MAX);
4659                         cpt[0] = 0;
4660                         return -1;
4661                 }
4662
4663                 token_len = last - token;
4664
4665                 if (token_len  == 3 &&
4666                     os_memcmp(token, "UDP", token_len) == 0) {
4667                         cpt[i] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
4668                 } else if (token_len == 3 &&
4669                            os_memcmp(token, "MAC", token_len) == 0) {
4670                         cpt[i] = P2PS_FEATURE_CAPAB_MAC_TRANSPORT;
4671                 } else {
4672                         wpa_printf(MSG_ERROR,
4673                                    "P2PS: Unsupported CPT name '%s'", token);
4674                         cpt[0] = 0;
4675                         return -1;
4676                 }
4677
4678                 if (isblank(*last)) {
4679                         i++;
4680                         break;
4681                 }
4682         }
4683         cpt[i] = 0;
4684         return 0;
4685 }
4686
4687
4688 static struct p2ps_provision * p2p_parse_asp_provision_cmd(const char *cmd)
4689 {
4690         struct p2ps_provision *p2ps_prov;
4691         char *pos;
4692         size_t info_len = 0;
4693         char *info = NULL;
4694         u8 role = P2PS_SETUP_NONE;
4695         long long unsigned val;
4696         int i;
4697
4698         pos = os_strstr(cmd, "info=");
4699         if (pos) {
4700                 pos += 5;
4701                 info_len = os_strlen(pos);
4702
4703                 if (info_len) {
4704                         info = os_malloc(info_len + 1);
4705                         if (info) {
4706                                 info_len = utf8_unescape(pos, info_len,
4707                                                          info, info_len + 1);
4708                         } else
4709                                 info_len = 0;
4710                 }
4711         }
4712
4713         p2ps_prov = os_zalloc(sizeof(struct p2ps_provision) + info_len + 1);
4714         if (p2ps_prov == NULL) {
4715                 os_free(info);
4716                 return NULL;
4717         }
4718
4719         if (info) {
4720                 os_memcpy(p2ps_prov->info, info, info_len);
4721                 p2ps_prov->info[info_len] = '\0';
4722                 os_free(info);
4723         }
4724
4725         pos = os_strstr(cmd, "status=");
4726         if (pos)
4727                 p2ps_prov->status = atoi(pos + 7);
4728         else
4729                 p2ps_prov->status = -1;
4730
4731         pos = os_strstr(cmd, "adv_id=");
4732         if (!pos || sscanf(pos + 7, "%llx", &val) != 1 || val > 0xffffffffULL)
4733                 goto invalid_args;
4734         p2ps_prov->adv_id = val;
4735
4736         pos = os_strstr(cmd, "method=");
4737         if (pos)
4738                 p2ps_prov->method = strtol(pos + 7, NULL, 16);
4739         else
4740                 p2ps_prov->method = 0;
4741
4742         pos = os_strstr(cmd, "session=");
4743         if (!pos || sscanf(pos + 8, "%llx", &val) != 1 || val > 0xffffffffULL)
4744                 goto invalid_args;
4745         p2ps_prov->session_id = val;
4746
4747         pos = os_strstr(cmd, "adv_mac=");
4748         if (!pos || hwaddr_aton(pos + 8, p2ps_prov->adv_mac))
4749                 goto invalid_args;
4750
4751         pos = os_strstr(cmd, "session_mac=");
4752         if (!pos || hwaddr_aton(pos + 12, p2ps_prov->session_mac))
4753                 goto invalid_args;
4754
4755         pos = os_strstr(cmd, "cpt=");
4756         if (pos) {
4757                 if (p2ps_ctrl_parse_cpt_priority(pos + 4,
4758                                                  p2ps_prov->cpt_priority))
4759                         goto invalid_args;
4760         } else {
4761                 p2ps_prov->cpt_priority[0] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
4762         }
4763
4764         for (i = 0; p2ps_prov->cpt_priority[i]; i++)
4765                 p2ps_prov->cpt_mask |= p2ps_prov->cpt_priority[i];
4766
4767         /* force conncap with tstCap (no sanity checks) */
4768         pos = os_strstr(cmd, "tstCap=");
4769         if (pos) {
4770                 role = strtol(pos + 7, NULL, 16);
4771         } else {
4772                 pos = os_strstr(cmd, "role=");
4773                 if (pos) {
4774                         role = strtol(pos + 5, NULL, 16);
4775                         if (role != P2PS_SETUP_CLIENT &&
4776                             role != P2PS_SETUP_GROUP_OWNER)
4777                                 role = P2PS_SETUP_NONE;
4778                 }
4779         }
4780         p2ps_prov->role = role;
4781
4782         return p2ps_prov;
4783
4784 invalid_args:
4785         os_free(p2ps_prov);
4786         return NULL;
4787 }
4788
4789
4790 static int p2p_ctrl_asp_provision_resp(struct wpa_supplicant *wpa_s, char *cmd)
4791 {
4792         u8 addr[ETH_ALEN];
4793         struct p2ps_provision *p2ps_prov;
4794         char *pos;
4795
4796         /* <addr> id=<adv_id> [role=<conncap>] [info=<infodata>] */
4797
4798         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4799
4800         if (hwaddr_aton(cmd, addr))
4801                 return -1;
4802
4803         pos = cmd + 17;
4804         if (*pos != ' ')
4805                 return -1;
4806
4807         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4808         if (!p2ps_prov)
4809                 return -1;
4810
4811         if (p2ps_prov->status < 0) {
4812                 os_free(p2ps_prov);
4813                 return -1;
4814         }
4815
4816         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4817                                   p2ps_prov);
4818 }
4819
4820
4821 static int p2p_ctrl_asp_provision(struct wpa_supplicant *wpa_s, char *cmd)
4822 {
4823         u8 addr[ETH_ALEN];
4824         struct p2ps_provision *p2ps_prov;
4825         char *pos;
4826
4827         /* <addr> id=<adv_id> adv_mac=<adv_mac> conncap=<conncap>
4828          *        session=<ses_id> mac=<ses_mac> [info=<infodata>]
4829          */
4830
4831         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4832         if (hwaddr_aton(cmd, addr))
4833                 return -1;
4834
4835         pos = cmd + 17;
4836         if (*pos != ' ')
4837                 return -1;
4838
4839         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4840         if (!p2ps_prov)
4841                 return -1;
4842
4843         p2ps_prov->pd_seeker = 1;
4844
4845         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4846                                   p2ps_prov);
4847 }
4848
4849
4850 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
4851                             char *buf, size_t buflen)
4852 {
4853         u8 addr[ETH_ALEN];
4854         char *pos, *pos2;
4855         char *pin = NULL;
4856         enum p2p_wps_method wps_method;
4857         int new_pin;
4858         int ret;
4859         int persistent_group, persistent_id = -1;
4860         int join;
4861         int auth;
4862         int automatic;
4863         int go_intent = -1;
4864         int freq = 0;
4865         int pd;
4866         int ht40, vht;
4867
4868         if (!wpa_s->global->p2p_init_wpa_s)
4869                 return -1;
4870         if (wpa_s->global->p2p_init_wpa_s != wpa_s) {
4871                 wpa_dbg(wpa_s, MSG_DEBUG, "Direct P2P_CONNECT command to %s",
4872                         wpa_s->global->p2p_init_wpa_s->ifname);
4873                 wpa_s = wpa_s->global->p2p_init_wpa_s;
4874         }
4875
4876         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad|p2ps]
4877          * [persistent|persistent=<network id>]
4878          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
4879          * [ht40] [vht] [auto] */
4880
4881         if (hwaddr_aton(cmd, addr))
4882                 return -1;
4883
4884         pos = cmd + 17;
4885         if (*pos != ' ')
4886                 return -1;
4887         pos++;
4888
4889         persistent_group = os_strstr(pos, " persistent") != NULL;
4890         pos2 = os_strstr(pos, " persistent=");
4891         if (pos2) {
4892                 struct wpa_ssid *ssid;
4893                 persistent_id = atoi(pos2 + 12);
4894                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
4895                 if (ssid == NULL || ssid->disabled != 2 ||
4896                     ssid->mode != WPAS_MODE_P2P_GO) {
4897                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
4898                                    "SSID id=%d for persistent P2P group (GO)",
4899                                    persistent_id);
4900                         return -1;
4901                 }
4902         }
4903         join = os_strstr(pos, " join") != NULL;
4904         auth = os_strstr(pos, " auth") != NULL;
4905         automatic = os_strstr(pos, " auto") != NULL;
4906         pd = os_strstr(pos, " provdisc") != NULL;
4907         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4908         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4909                 vht;
4910
4911         pos2 = os_strstr(pos, " go_intent=");
4912         if (pos2) {
4913                 pos2 += 11;
4914                 go_intent = atoi(pos2);
4915                 if (go_intent < 0 || go_intent > 15)
4916                         return -1;
4917         }
4918
4919         pos2 = os_strstr(pos, " freq=");
4920         if (pos2) {
4921                 pos2 += 6;
4922                 freq = atoi(pos2);
4923                 if (freq <= 0)
4924                         return -1;
4925         }
4926
4927         if (os_strncmp(pos, "pin", 3) == 0) {
4928                 /* Request random PIN (to be displayed) and enable the PIN */
4929                 wps_method = WPS_PIN_DISPLAY;
4930         } else if (os_strncmp(pos, "pbc", 3) == 0) {
4931                 wps_method = WPS_PBC;
4932         } else {
4933                 pin = pos;
4934                 pos = os_strchr(pin, ' ');
4935                 wps_method = WPS_PIN_KEYPAD;
4936                 if (pos) {
4937                         *pos++ = '\0';
4938                         if (os_strncmp(pos, "display", 7) == 0)
4939                                 wps_method = WPS_PIN_DISPLAY;
4940                         else if (os_strncmp(pos, "p2ps", 4) == 0)
4941                                 wps_method = WPS_P2PS;
4942                 }
4943                 if (!wps_pin_str_valid(pin)) {
4944                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
4945                         return 17;
4946                 }
4947         }
4948
4949         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
4950                                    persistent_group, automatic, join,
4951                                    auth, go_intent, freq, persistent_id, pd,
4952                                    ht40, vht);
4953         if (new_pin == -2) {
4954                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
4955                 return 25;
4956         }
4957         if (new_pin == -3) {
4958                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
4959                 return 25;
4960         }
4961         if (new_pin < 0)
4962                 return -1;
4963         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
4964                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
4965                 if (os_snprintf_error(buflen, ret))
4966                         return -1;
4967                 return ret;
4968         }
4969
4970         os_memcpy(buf, "OK\n", 3);
4971         return 3;
4972 }
4973
4974
4975 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
4976 {
4977         unsigned int timeout = atoi(cmd);
4978         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4979                 wpa_dbg(wpa_s, MSG_INFO,
4980                         "Reject P2P_LISTEN since interface is disabled");
4981                 return -1;
4982         }
4983         return wpas_p2p_listen(wpa_s, timeout);
4984 }
4985
4986
4987 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
4988 {
4989         u8 addr[ETH_ALEN];
4990         char *pos;
4991         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
4992
4993         /* <addr> <config method> [join|auto] */
4994
4995         if (hwaddr_aton(cmd, addr))
4996                 return -1;
4997
4998         pos = cmd + 17;
4999         if (*pos != ' ')
5000                 return -1;
5001         pos++;
5002
5003         if (os_strstr(pos, " join") != NULL)
5004                 use = WPAS_P2P_PD_FOR_JOIN;
5005         else if (os_strstr(pos, " auto") != NULL)
5006                 use = WPAS_P2P_PD_AUTO;
5007
5008         return wpas_p2p_prov_disc(wpa_s, addr, pos, use, NULL);
5009 }
5010
5011
5012 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
5013                               size_t buflen)
5014 {
5015         struct wpa_ssid *ssid = wpa_s->current_ssid;
5016
5017         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
5018             ssid->passphrase == NULL)
5019                 return -1;
5020
5021         os_strlcpy(buf, ssid->passphrase, buflen);
5022         return os_strlen(buf);
5023 }
5024
5025
5026 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
5027                                   char *buf, size_t buflen)
5028 {
5029         u64 ref;
5030         int res;
5031         u8 dst_buf[ETH_ALEN], *dst;
5032         struct wpabuf *tlvs;
5033         char *pos;
5034         size_t len;
5035
5036         if (hwaddr_aton(cmd, dst_buf))
5037                 return -1;
5038         dst = dst_buf;
5039         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
5040             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
5041                 dst = NULL;
5042         pos = cmd + 17;
5043         if (*pos != ' ')
5044                 return -1;
5045         pos++;
5046
5047         if (os_strncmp(pos, "upnp ", 5) == 0) {
5048                 u8 version;
5049                 pos += 5;
5050                 if (hexstr2bin(pos, &version, 1) < 0)
5051                         return -1;
5052                 pos += 2;
5053                 if (*pos != ' ')
5054                         return -1;
5055                 pos++;
5056                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
5057 #ifdef CONFIG_WIFI_DISPLAY
5058         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
5059                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
5060 #endif /* CONFIG_WIFI_DISPLAY */
5061         } else if (os_strncmp(pos, "asp ", 4) == 0) {
5062                 char *svc_str;
5063                 char *svc_info = NULL;
5064                 u32 id;
5065
5066                 pos += 4;
5067                 if (sscanf(pos, "%x", &id) != 1 || id > 0xff)
5068                         return -1;
5069
5070                 pos = os_strchr(pos, ' ');
5071                 if (pos == NULL || pos[1] == '\0' || pos[1] == ' ')
5072                         return -1;
5073
5074                 svc_str = pos + 1;
5075
5076                 pos = os_strchr(svc_str, ' ');
5077
5078                 if (pos)
5079                         *pos++ = '\0';
5080
5081                 /* All remaining data is the svc_info string */
5082                 if (pos && pos[0] && pos[0] != ' ') {
5083                         len = os_strlen(pos);
5084
5085                         /* Unescape in place */
5086                         len = utf8_unescape(pos, len, pos, len);
5087                         if (len > 0xff)
5088                                 return -1;
5089
5090                         svc_info = pos;
5091                 }
5092
5093                 ref = wpas_p2p_sd_request_asp(wpa_s, dst, (u8) id,
5094                                               svc_str, svc_info);
5095         } else {
5096                 len = os_strlen(pos);
5097                 if (len & 1)
5098                         return -1;
5099                 len /= 2;
5100                 tlvs = wpabuf_alloc(len);
5101                 if (tlvs == NULL)
5102                         return -1;
5103                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
5104                         wpabuf_free(tlvs);
5105                         return -1;
5106                 }
5107
5108                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
5109                 wpabuf_free(tlvs);
5110         }
5111         if (ref == 0)
5112                 return -1;
5113         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
5114         if (os_snprintf_error(buflen, res))
5115                 return -1;
5116         return res;
5117 }
5118
5119
5120 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
5121                                          char *cmd)
5122 {
5123         long long unsigned val;
5124         u64 req;
5125         if (sscanf(cmd, "%llx", &val) != 1)
5126                 return -1;
5127         req = val;
5128         return wpas_p2p_sd_cancel_request(wpa_s, req);
5129 }
5130
5131
5132 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
5133 {
5134         int freq;
5135         u8 dst[ETH_ALEN];
5136         u8 dialog_token;
5137         struct wpabuf *resp_tlvs;
5138         char *pos, *pos2;
5139         size_t len;
5140
5141         pos = os_strchr(cmd, ' ');
5142         if (pos == NULL)
5143                 return -1;
5144         *pos++ = '\0';
5145         freq = atoi(cmd);
5146         if (freq == 0)
5147                 return -1;
5148
5149         if (hwaddr_aton(pos, dst))
5150                 return -1;
5151         pos += 17;
5152         if (*pos != ' ')
5153                 return -1;
5154         pos++;
5155
5156         pos2 = os_strchr(pos, ' ');
5157         if (pos2 == NULL)
5158                 return -1;
5159         *pos2++ = '\0';
5160         dialog_token = atoi(pos);
5161
5162         len = os_strlen(pos2);
5163         if (len & 1)
5164                 return -1;
5165         len /= 2;
5166         resp_tlvs = wpabuf_alloc(len);
5167         if (resp_tlvs == NULL)
5168                 return -1;
5169         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
5170                 wpabuf_free(resp_tlvs);
5171                 return -1;
5172         }
5173
5174         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
5175         wpabuf_free(resp_tlvs);
5176         return 0;
5177 }
5178
5179
5180 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
5181                                        char *cmd)
5182 {
5183         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
5184                 return -1;
5185         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
5186         return 0;
5187 }
5188
5189
5190 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
5191                                         char *cmd)
5192 {
5193         char *pos;
5194         size_t len;
5195         struct wpabuf *query, *resp;
5196
5197         pos = os_strchr(cmd, ' ');
5198         if (pos == NULL)
5199                 return -1;
5200         *pos++ = '\0';
5201
5202         len = os_strlen(cmd);
5203         if (len & 1)
5204                 return -1;
5205         len /= 2;
5206         query = wpabuf_alloc(len);
5207         if (query == NULL)
5208                 return -1;
5209         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5210                 wpabuf_free(query);
5211                 return -1;
5212         }
5213
5214         len = os_strlen(pos);
5215         if (len & 1) {
5216                 wpabuf_free(query);
5217                 return -1;
5218         }
5219         len /= 2;
5220         resp = wpabuf_alloc(len);
5221         if (resp == NULL) {
5222                 wpabuf_free(query);
5223                 return -1;
5224         }
5225         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
5226                 wpabuf_free(query);
5227                 wpabuf_free(resp);
5228                 return -1;
5229         }
5230
5231         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
5232                 wpabuf_free(query);
5233                 wpabuf_free(resp);
5234                 return -1;
5235         }
5236         return 0;
5237 }
5238
5239
5240 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5241 {
5242         char *pos;
5243         u8 version;
5244
5245         pos = os_strchr(cmd, ' ');
5246         if (pos == NULL)
5247                 return -1;
5248         *pos++ = '\0';
5249
5250         if (hexstr2bin(cmd, &version, 1) < 0)
5251                 return -1;
5252
5253         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
5254 }
5255
5256
5257 static int p2p_ctrl_service_add_asp(struct wpa_supplicant *wpa_s,
5258                                     u8 replace, char *cmd)
5259 {
5260         char *pos;
5261         char *adv_str;
5262         u32 auto_accept, adv_id, svc_state, config_methods;
5263         char *svc_info = NULL;
5264         char *cpt_prio_str;
5265         u8 cpt_prio[P2PS_FEATURE_CAPAB_CPT_MAX + 1];
5266
5267         pos = os_strchr(cmd, ' ');
5268         if (pos == NULL)
5269                 return -1;
5270         *pos++ = '\0';
5271
5272         /* Auto-Accept value is mandatory, and must be one of the
5273          * single values (0, 1, 2, 4) */
5274         auto_accept = atoi(cmd);
5275         switch (auto_accept) {
5276         case P2PS_SETUP_NONE: /* No auto-accept */
5277         case P2PS_SETUP_NEW:
5278         case P2PS_SETUP_CLIENT:
5279         case P2PS_SETUP_GROUP_OWNER:
5280                 break;
5281         default:
5282                 return -1;
5283         }
5284
5285         /* Advertisement ID is mandatory */
5286         cmd = pos;
5287         pos = os_strchr(cmd, ' ');
5288         if (pos == NULL)
5289                 return -1;
5290         *pos++ = '\0';
5291
5292         /* Handle Adv_ID == 0 (wildcard "org.wi-fi.wfds") internally. */
5293         if (sscanf(cmd, "%x", &adv_id) != 1 || adv_id == 0)
5294                 return -1;
5295
5296         /* Only allow replacements if exist, and adds if not */
5297         if (wpas_p2p_service_p2ps_id_exists(wpa_s, adv_id)) {
5298                 if (!replace)
5299                         return -1;
5300         } else {
5301                 if (replace)
5302                         return -1;
5303         }
5304
5305         /* svc_state between 0 - 0xff is mandatory */
5306         if (sscanf(pos, "%x", &svc_state) != 1 || svc_state > 0xff)
5307                 return -1;
5308
5309         pos = os_strchr(pos, ' ');
5310         if (pos == NULL)
5311                 return -1;
5312
5313         /* config_methods is mandatory */
5314         pos++;
5315         if (sscanf(pos, "%x", &config_methods) != 1)
5316                 return -1;
5317
5318         if (!(config_methods &
5319               (WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD | WPS_CONFIG_P2PS)))
5320                 return -1;
5321
5322         pos = os_strchr(pos, ' ');
5323         if (pos == NULL)
5324                 return -1;
5325
5326         pos++;
5327         adv_str = pos;
5328
5329         /* Advertisement string is mandatory */
5330         if (!pos[0] || pos[0] == ' ')
5331                 return -1;
5332
5333         /* Terminate svc string */
5334         pos = os_strchr(pos, ' ');
5335         if (pos != NULL)
5336                 *pos++ = '\0';
5337
5338         cpt_prio_str = (pos && pos[0]) ? os_strstr(pos, "cpt=") : NULL;
5339         if (cpt_prio_str) {
5340                 pos = os_strchr(pos, ' ');
5341                 if (pos != NULL)
5342                         *pos++ = '\0';
5343
5344                 if (p2ps_ctrl_parse_cpt_priority(cpt_prio_str + 4, cpt_prio))
5345                         return -1;
5346         } else {
5347                 cpt_prio[0] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
5348                 cpt_prio[1] = 0;
5349         }
5350
5351         /* Service and Response Information are optional */
5352         if (pos && pos[0]) {
5353                 size_t len;
5354
5355                 /* Note the bare ' included, which cannot exist legally
5356                  * in unescaped string. */
5357                 svc_info = os_strstr(pos, "svc_info='");
5358
5359                 if (svc_info) {
5360                         svc_info += 9;
5361                         len = os_strlen(svc_info);
5362                         utf8_unescape(svc_info, len, svc_info, len);
5363                 }
5364         }
5365
5366         return wpas_p2p_service_add_asp(wpa_s, auto_accept, adv_id, adv_str,
5367                                         (u8) svc_state, (u16) config_methods,
5368                                         svc_info, cpt_prio);
5369 }
5370
5371
5372 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
5373 {
5374         char *pos;
5375
5376         pos = os_strchr(cmd, ' ');
5377         if (pos == NULL)
5378                 return -1;
5379         *pos++ = '\0';
5380
5381         if (os_strcmp(cmd, "bonjour") == 0)
5382                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
5383         if (os_strcmp(cmd, "upnp") == 0)
5384                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
5385         if (os_strcmp(cmd, "asp") == 0)
5386                 return p2p_ctrl_service_add_asp(wpa_s, 0, pos);
5387         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5388         return -1;
5389 }
5390
5391
5392 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
5393                                         char *cmd)
5394 {
5395         size_t len;
5396         struct wpabuf *query;
5397         int ret;
5398
5399         len = os_strlen(cmd);
5400         if (len & 1)
5401                 return -1;
5402         len /= 2;
5403         query = wpabuf_alloc(len);
5404         if (query == NULL)
5405                 return -1;
5406         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5407                 wpabuf_free(query);
5408                 return -1;
5409         }
5410
5411         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
5412         wpabuf_free(query);
5413         return ret;
5414 }
5415
5416
5417 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5418 {
5419         char *pos;
5420         u8 version;
5421
5422         pos = os_strchr(cmd, ' ');
5423         if (pos == NULL)
5424                 return -1;
5425         *pos++ = '\0';
5426
5427         if (hexstr2bin(cmd, &version, 1) < 0)
5428                 return -1;
5429
5430         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
5431 }
5432
5433
5434 static int p2p_ctrl_service_del_asp(struct wpa_supplicant *wpa_s, char *cmd)
5435 {
5436         u32 adv_id;
5437
5438         if (os_strcmp(cmd, "all") == 0) {
5439                 wpas_p2p_service_flush_asp(wpa_s);
5440                 return 0;
5441         }
5442
5443         if (sscanf(cmd, "%x", &adv_id) != 1)
5444                 return -1;
5445
5446         return wpas_p2p_service_del_asp(wpa_s, adv_id);
5447 }
5448
5449
5450 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
5451 {
5452         char *pos;
5453
5454         pos = os_strchr(cmd, ' ');
5455         if (pos == NULL)
5456                 return -1;
5457         *pos++ = '\0';
5458
5459         if (os_strcmp(cmd, "bonjour") == 0)
5460                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
5461         if (os_strcmp(cmd, "upnp") == 0)
5462                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
5463         if (os_strcmp(cmd, "asp") == 0)
5464                 return p2p_ctrl_service_del_asp(wpa_s, pos);
5465         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5466         return -1;
5467 }
5468
5469
5470 static int p2p_ctrl_service_replace(struct wpa_supplicant *wpa_s, char *cmd)
5471 {
5472         char *pos;
5473
5474         pos = os_strchr(cmd, ' ');
5475         if (pos == NULL)
5476                 return -1;
5477         *pos++ = '\0';
5478
5479         if (os_strcmp(cmd, "asp") == 0)
5480                 return p2p_ctrl_service_add_asp(wpa_s, 1, pos);
5481
5482         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5483         return -1;
5484 }
5485
5486
5487 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
5488 {
5489         u8 addr[ETH_ALEN];
5490
5491         /* <addr> */
5492
5493         if (hwaddr_aton(cmd, addr))
5494                 return -1;
5495
5496         return wpas_p2p_reject(wpa_s, addr);
5497 }
5498
5499
5500 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
5501 {
5502         char *pos;
5503         int id;
5504         struct wpa_ssid *ssid;
5505         u8 *_peer = NULL, peer[ETH_ALEN];
5506         int freq = 0, pref_freq = 0;
5507         int ht40, vht;
5508
5509         id = atoi(cmd);
5510         pos = os_strstr(cmd, " peer=");
5511         if (pos) {
5512                 pos += 6;
5513                 if (hwaddr_aton(pos, peer))
5514                         return -1;
5515                 _peer = peer;
5516         }
5517         ssid = wpa_config_get_network(wpa_s->conf, id);
5518         if (ssid == NULL || ssid->disabled != 2) {
5519                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5520                            "for persistent P2P group",
5521                            id);
5522                 return -1;
5523         }
5524
5525         pos = os_strstr(cmd, " freq=");
5526         if (pos) {
5527                 pos += 6;
5528                 freq = atoi(pos);
5529                 if (freq <= 0)
5530                         return -1;
5531         }
5532
5533         pos = os_strstr(cmd, " pref=");
5534         if (pos) {
5535                 pos += 6;
5536                 pref_freq = atoi(pos);
5537                 if (pref_freq <= 0)
5538                         return -1;
5539         }
5540
5541         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
5542         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5543                 vht;
5544
5545         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
5546                                pref_freq);
5547 }
5548
5549
5550 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
5551 {
5552         char *pos;
5553         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
5554
5555         pos = os_strstr(cmd, " peer=");
5556         if (!pos)
5557                 return -1;
5558
5559         *pos = '\0';
5560         pos += 6;
5561         if (hwaddr_aton(pos, peer)) {
5562                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
5563                 return -1;
5564         }
5565
5566         pos = os_strstr(pos, " go_dev_addr=");
5567         if (pos) {
5568                 pos += 13;
5569                 if (hwaddr_aton(pos, go_dev_addr)) {
5570                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
5571                                    pos);
5572                         return -1;
5573                 }
5574                 go_dev = go_dev_addr;
5575         }
5576
5577         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
5578 }
5579
5580
5581 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
5582 {
5583         if (os_strncmp(cmd, "persistent=", 11) == 0)
5584                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
5585         if (os_strncmp(cmd, "group=", 6) == 0)
5586                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
5587
5588         return -1;
5589 }
5590
5591
5592 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
5593                                          int id, int freq, int ht40, int vht)
5594 {
5595         struct wpa_ssid *ssid;
5596
5597         ssid = wpa_config_get_network(wpa_s->conf, id);
5598         if (ssid == NULL || ssid->disabled != 2) {
5599                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5600                            "for persistent P2P group",
5601                            id);
5602                 return -1;
5603         }
5604
5605         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, 0, ht40, vht,
5606                                              NULL, 0, 0);
5607 }
5608
5609
5610 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
5611 {
5612         int freq = 0, persistent = 0, group_id = -1;
5613         int vht = wpa_s->conf->p2p_go_vht;
5614         int ht40 = wpa_s->conf->p2p_go_ht40 || vht;
5615         char *token, *context = NULL;
5616
5617         while ((token = str_token(cmd, " ", &context))) {
5618                 if (sscanf(token, "freq=%d", &freq) == 1 ||
5619                     sscanf(token, "persistent=%d", &group_id) == 1) {
5620                         continue;
5621                 } else if (os_strcmp(token, "ht40") == 0) {
5622                         ht40 = 1;
5623                 } else if (os_strcmp(token, "vht") == 0) {
5624                         vht = 1;
5625                         ht40 = 1;
5626                 } else if (os_strcmp(token, "persistent") == 0) {
5627                         persistent = 1;
5628                 } else {
5629                         wpa_printf(MSG_DEBUG,
5630                                    "CTRL: Invalid P2P_GROUP_ADD parameter: '%s'",
5631                                    token);
5632                         return -1;
5633                 }
5634         }
5635
5636         if (group_id >= 0)
5637                 return p2p_ctrl_group_add_persistent(wpa_s, group_id,
5638                                                      freq, ht40, vht);
5639
5640         return wpas_p2p_group_add(wpa_s, persistent, freq, ht40, vht);
5641 }
5642
5643
5644 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
5645                          char *buf, size_t buflen)
5646 {
5647         u8 addr[ETH_ALEN], *addr_ptr;
5648         int next, res;
5649         const struct p2p_peer_info *info;
5650         char *pos, *end;
5651         char devtype[WPS_DEV_TYPE_BUFSIZE];
5652         struct wpa_ssid *ssid;
5653         size_t i;
5654
5655         if (!wpa_s->global->p2p)
5656                 return -1;
5657
5658         if (os_strcmp(cmd, "FIRST") == 0) {
5659                 addr_ptr = NULL;
5660                 next = 0;
5661         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
5662                 if (hwaddr_aton(cmd + 5, addr) < 0)
5663                         return -1;
5664                 addr_ptr = addr;
5665                 next = 1;
5666         } else {
5667                 if (hwaddr_aton(cmd, addr) < 0)
5668                         return -1;
5669                 addr_ptr = addr;
5670                 next = 0;
5671         }
5672
5673         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
5674         if (info == NULL)
5675                 return -1;
5676
5677         pos = buf;
5678         end = buf + buflen;
5679
5680         res = os_snprintf(pos, end - pos, MACSTR "\n"
5681                           "pri_dev_type=%s\n"
5682                           "device_name=%s\n"
5683                           "manufacturer=%s\n"
5684                           "model_name=%s\n"
5685                           "model_number=%s\n"
5686                           "serial_number=%s\n"
5687                           "config_methods=0x%x\n"
5688                           "dev_capab=0x%x\n"
5689                           "group_capab=0x%x\n"
5690                           "level=%d\n",
5691                           MAC2STR(info->p2p_device_addr),
5692                           wps_dev_type_bin2str(info->pri_dev_type,
5693                                                devtype, sizeof(devtype)),
5694                           info->device_name,
5695                           info->manufacturer,
5696                           info->model_name,
5697                           info->model_number,
5698                           info->serial_number,
5699                           info->config_methods,
5700                           info->dev_capab,
5701                           info->group_capab,
5702                           info->level);
5703         if (os_snprintf_error(end - pos, res))
5704                 return pos - buf;
5705         pos += res;
5706
5707         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
5708         {
5709                 const u8 *t;
5710                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
5711                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
5712                                   wps_dev_type_bin2str(t, devtype,
5713                                                        sizeof(devtype)));
5714                 if (os_snprintf_error(end - pos, res))
5715                         return pos - buf;
5716                 pos += res;
5717         }
5718
5719         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
5720         if (ssid) {
5721                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
5722                 if (os_snprintf_error(end - pos, res))
5723                         return pos - buf;
5724                 pos += res;
5725         }
5726
5727         res = p2p_get_peer_info_txt(info, pos, end - pos);
5728         if (res < 0)
5729                 return pos - buf;
5730         pos += res;
5731
5732         if (info->vendor_elems) {
5733                 res = os_snprintf(pos, end - pos, "vendor_elems=");
5734                 if (os_snprintf_error(end - pos, res))
5735                         return pos - buf;
5736                 pos += res;
5737
5738                 pos += wpa_snprintf_hex(pos, end - pos,
5739                                         wpabuf_head(info->vendor_elems),
5740                                         wpabuf_len(info->vendor_elems));
5741
5742                 res = os_snprintf(pos, end - pos, "\n");
5743                 if (os_snprintf_error(end - pos, res))
5744                         return pos - buf;
5745                 pos += res;
5746         }
5747
5748         return pos - buf;
5749 }
5750
5751
5752 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
5753                                   const char *param)
5754 {
5755         unsigned int i;
5756
5757         if (wpa_s->global->p2p == NULL)
5758                 return -1;
5759
5760         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
5761                 return -1;
5762
5763         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
5764                 struct wpa_freq_range *freq;
5765                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
5766                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
5767                            freq->min, freq->max);
5768         }
5769
5770         wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_DISALLOW);
5771         return 0;
5772 }
5773
5774
5775 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
5776 {
5777         char *param;
5778
5779         if (wpa_s->global->p2p == NULL)
5780                 return -1;
5781
5782         param = os_strchr(cmd, ' ');
5783         if (param == NULL)
5784                 return -1;
5785         *param++ = '\0';
5786
5787         if (os_strcmp(cmd, "discoverability") == 0) {
5788                 p2p_set_client_discoverability(wpa_s->global->p2p,
5789                                                atoi(param));
5790                 return 0;
5791         }
5792
5793         if (os_strcmp(cmd, "managed") == 0) {
5794                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
5795                 return 0;
5796         }
5797
5798         if (os_strcmp(cmd, "listen_channel") == 0) {
5799                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
5800                                               atoi(param), 1);
5801         }
5802
5803         if (os_strcmp(cmd, "ssid_postfix") == 0) {
5804                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
5805                                             os_strlen(param));
5806         }
5807
5808         if (os_strcmp(cmd, "noa") == 0) {
5809                 char *pos;
5810                 int count, start, duration;
5811                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
5812                 count = atoi(param);
5813                 pos = os_strchr(param, ',');
5814                 if (pos == NULL)
5815                         return -1;
5816                 pos++;
5817                 start = atoi(pos);
5818                 pos = os_strchr(pos, ',');
5819                 if (pos == NULL)
5820                         return -1;
5821                 pos++;
5822                 duration = atoi(pos);
5823                 if (count < 0 || count > 255 || start < 0 || duration < 0)
5824                         return -1;
5825                 if (count == 0 && duration > 0)
5826                         return -1;
5827                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
5828                            "start=%d duration=%d", count, start, duration);
5829                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
5830         }
5831
5832         if (os_strcmp(cmd, "ps") == 0)
5833                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
5834
5835         if (os_strcmp(cmd, "oppps") == 0)
5836                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
5837
5838         if (os_strcmp(cmd, "ctwindow") == 0)
5839                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
5840
5841         if (os_strcmp(cmd, "disabled") == 0) {
5842                 wpa_s->global->p2p_disabled = atoi(param);
5843                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
5844                            wpa_s->global->p2p_disabled ?
5845                            "disabled" : "enabled");
5846                 if (wpa_s->global->p2p_disabled) {
5847                         wpas_p2p_stop_find(wpa_s);
5848                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5849                         p2p_flush(wpa_s->global->p2p);
5850                 }
5851                 return 0;
5852         }
5853
5854         if (os_strcmp(cmd, "conc_pref") == 0) {
5855                 if (os_strcmp(param, "sta") == 0)
5856                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
5857                 else if (os_strcmp(param, "p2p") == 0)
5858                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
5859                 else {
5860                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
5861                         return -1;
5862                 }
5863                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
5864                            "%s", param);
5865                 return 0;
5866         }
5867
5868         if (os_strcmp(cmd, "force_long_sd") == 0) {
5869                 wpa_s->force_long_sd = atoi(param);
5870                 return 0;
5871         }
5872
5873         if (os_strcmp(cmd, "peer_filter") == 0) {
5874                 u8 addr[ETH_ALEN];
5875                 if (hwaddr_aton(param, addr))
5876                         return -1;
5877                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
5878                 return 0;
5879         }
5880
5881         if (os_strcmp(cmd, "cross_connect") == 0)
5882                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
5883
5884         if (os_strcmp(cmd, "go_apsd") == 0) {
5885                 if (os_strcmp(param, "disable") == 0)
5886                         wpa_s->set_ap_uapsd = 0;
5887                 else {
5888                         wpa_s->set_ap_uapsd = 1;
5889                         wpa_s->ap_uapsd = atoi(param);
5890                 }
5891                 return 0;
5892         }
5893
5894         if (os_strcmp(cmd, "client_apsd") == 0) {
5895                 if (os_strcmp(param, "disable") == 0)
5896                         wpa_s->set_sta_uapsd = 0;
5897                 else {
5898                         int be, bk, vi, vo;
5899                         char *pos;
5900                         /* format: BE,BK,VI,VO;max SP Length */
5901                         be = atoi(param);
5902                         pos = os_strchr(param, ',');
5903                         if (pos == NULL)
5904                                 return -1;
5905                         pos++;
5906                         bk = atoi(pos);
5907                         pos = os_strchr(pos, ',');
5908                         if (pos == NULL)
5909                                 return -1;
5910                         pos++;
5911                         vi = atoi(pos);
5912                         pos = os_strchr(pos, ',');
5913                         if (pos == NULL)
5914                                 return -1;
5915                         pos++;
5916                         vo = atoi(pos);
5917                         /* ignore max SP Length for now */
5918
5919                         wpa_s->set_sta_uapsd = 1;
5920                         wpa_s->sta_uapsd = 0;
5921                         if (be)
5922                                 wpa_s->sta_uapsd |= BIT(0);
5923                         if (bk)
5924                                 wpa_s->sta_uapsd |= BIT(1);
5925                         if (vi)
5926                                 wpa_s->sta_uapsd |= BIT(2);
5927                         if (vo)
5928                                 wpa_s->sta_uapsd |= BIT(3);
5929                 }
5930                 return 0;
5931         }
5932
5933         if (os_strcmp(cmd, "disallow_freq") == 0)
5934                 return p2p_ctrl_disallow_freq(wpa_s, param);
5935
5936         if (os_strcmp(cmd, "disc_int") == 0) {
5937                 int min_disc_int, max_disc_int, max_disc_tu;
5938                 char *pos;
5939
5940                 pos = param;
5941
5942                 min_disc_int = atoi(pos);
5943                 pos = os_strchr(pos, ' ');
5944                 if (pos == NULL)
5945                         return -1;
5946                 *pos++ = '\0';
5947
5948                 max_disc_int = atoi(pos);
5949                 pos = os_strchr(pos, ' ');
5950                 if (pos == NULL)
5951                         return -1;
5952                 *pos++ = '\0';
5953
5954                 max_disc_tu = atoi(pos);
5955
5956                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
5957                                         max_disc_int, max_disc_tu);
5958         }
5959
5960         if (os_strcmp(cmd, "per_sta_psk") == 0) {
5961                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
5962                 return 0;
5963         }
5964
5965 #ifdef CONFIG_WPS_NFC
5966         if (os_strcmp(cmd, "nfc_tag") == 0)
5967                 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
5968 #endif /* CONFIG_WPS_NFC */
5969
5970         if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
5971                 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
5972                 return 0;
5973         }
5974
5975         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
5976                    cmd);
5977
5978         return -1;
5979 }
5980
5981
5982 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
5983 {
5984         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5985         wpa_s->force_long_sd = 0;
5986         wpas_p2p_stop_find(wpa_s);
5987         wpa_s->parent->p2ps_method_config_any = 0;
5988         if (wpa_s->global->p2p)
5989                 p2p_flush(wpa_s->global->p2p);
5990 }
5991
5992
5993 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
5994 {
5995         char *pos, *pos2;
5996         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
5997
5998         if (cmd[0]) {
5999                 pos = os_strchr(cmd, ' ');
6000                 if (pos == NULL)
6001                         return -1;
6002                 *pos++ = '\0';
6003                 dur1 = atoi(cmd);
6004
6005                 pos2 = os_strchr(pos, ' ');
6006                 if (pos2)
6007                         *pos2++ = '\0';
6008                 int1 = atoi(pos);
6009         } else
6010                 pos2 = NULL;
6011
6012         if (pos2) {
6013                 pos = os_strchr(pos2, ' ');
6014                 if (pos == NULL)
6015                         return -1;
6016                 *pos++ = '\0';
6017                 dur2 = atoi(pos2);
6018                 int2 = atoi(pos);
6019         }
6020
6021         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
6022 }
6023
6024
6025 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
6026 {
6027         char *pos;
6028         unsigned int period = 0, interval = 0;
6029
6030         if (cmd[0]) {
6031                 pos = os_strchr(cmd, ' ');
6032                 if (pos == NULL)
6033                         return -1;
6034                 *pos++ = '\0';
6035                 period = atoi(cmd);
6036                 interval = atoi(pos);
6037         }
6038
6039         return wpas_p2p_ext_listen(wpa_s, period, interval);
6040 }
6041
6042
6043 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
6044 {
6045         const char *pos;
6046         u8 peer[ETH_ALEN];
6047         int iface_addr = 0;
6048
6049         pos = cmd;
6050         if (os_strncmp(pos, "iface=", 6) == 0) {
6051                 iface_addr = 1;
6052                 pos += 6;
6053         }
6054         if (hwaddr_aton(pos, peer))
6055                 return -1;
6056
6057         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
6058         return 0;
6059 }
6060
6061 #endif /* CONFIG_P2P */
6062
6063
6064 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
6065 {
6066         struct wpa_freq_range_list ranges;
6067         int *freqs = NULL;
6068         struct hostapd_hw_modes *mode;
6069         u16 i;
6070
6071         if (wpa_s->hw.modes == NULL)
6072                 return NULL;
6073
6074         os_memset(&ranges, 0, sizeof(ranges));
6075         if (freq_range_list_parse(&ranges, val) < 0)
6076                 return NULL;
6077
6078         for (i = 0; i < wpa_s->hw.num_modes; i++) {
6079                 int j;
6080
6081                 mode = &wpa_s->hw.modes[i];
6082                 for (j = 0; j < mode->num_channels; j++) {
6083                         unsigned int freq;
6084
6085                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
6086                                 continue;
6087
6088                         freq = mode->channels[j].freq;
6089                         if (!freq_range_list_includes(&ranges, freq))
6090                                 continue;
6091
6092                         int_array_add_unique(&freqs, freq);
6093                 }
6094         }
6095
6096         os_free(ranges.range);
6097         return freqs;
6098 }
6099
6100
6101 #ifdef CONFIG_INTERWORKING
6102
6103 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
6104 {
6105         int auto_sel = 0;
6106         int *freqs = NULL;
6107
6108         if (param) {
6109                 char *pos;
6110
6111                 auto_sel = os_strstr(param, "auto") != NULL;
6112
6113                 pos = os_strstr(param, "freq=");
6114                 if (pos) {
6115                         freqs = freq_range_to_channel_list(wpa_s, pos + 5);
6116                         if (freqs == NULL)
6117                                 return -1;
6118                 }
6119
6120         }
6121
6122         return interworking_select(wpa_s, auto_sel, freqs);
6123 }
6124
6125
6126 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst,
6127                                      int only_add)
6128 {
6129         u8 bssid[ETH_ALEN];
6130         struct wpa_bss *bss;
6131
6132         if (hwaddr_aton(dst, bssid)) {
6133                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
6134                 return -1;
6135         }
6136
6137         bss = wpa_bss_get_bssid(wpa_s, bssid);
6138         if (bss == NULL) {
6139                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
6140                            MAC2STR(bssid));
6141                 return -1;
6142         }
6143
6144         if (bss->ssid_len == 0) {
6145                 int found = 0;
6146
6147                 wpa_printf(MSG_DEBUG, "Selected BSS entry for " MACSTR
6148                            " does not have SSID information", MAC2STR(bssid));
6149
6150                 dl_list_for_each_reverse(bss, &wpa_s->bss, struct wpa_bss,
6151                                          list) {
6152                         if (os_memcmp(bss->bssid, bssid, ETH_ALEN) == 0 &&
6153                             bss->ssid_len > 0) {
6154                                 found = 1;
6155                                 break;
6156                         }
6157                 }
6158
6159                 if (!found)
6160                         return -1;
6161                 wpa_printf(MSG_DEBUG,
6162                            "Found another matching BSS entry with SSID");
6163         }
6164
6165         return interworking_connect(wpa_s, bss, only_add);
6166 }
6167
6168
6169 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
6170 {
6171         u8 dst_addr[ETH_ALEN];
6172         int used;
6173         char *pos;
6174 #define MAX_ANQP_INFO_ID 100
6175         u16 id[MAX_ANQP_INFO_ID];
6176         size_t num_id = 0;
6177         u32 subtypes = 0;
6178
6179         used = hwaddr_aton2(dst, dst_addr);
6180         if (used < 0)
6181                 return -1;
6182         pos = dst + used;
6183         if (*pos == ' ')
6184                 pos++;
6185         while (num_id < MAX_ANQP_INFO_ID) {
6186                 if (os_strncmp(pos, "hs20:", 5) == 0) {
6187 #ifdef CONFIG_HS20
6188                         int num = atoi(pos + 5);
6189                         if (num <= 0 || num > 31)
6190                                 return -1;
6191                         subtypes |= BIT(num);
6192 #else /* CONFIG_HS20 */
6193                         return -1;
6194 #endif /* CONFIG_HS20 */
6195                 } else {
6196                         id[num_id] = atoi(pos);
6197                         if (id[num_id])
6198                                 num_id++;
6199                 }
6200                 pos = os_strchr(pos + 1, ',');
6201                 if (pos == NULL)
6202                         break;
6203                 pos++;
6204         }
6205
6206         if (num_id == 0)
6207                 return -1;
6208
6209         return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes);
6210 }
6211
6212
6213 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
6214 {
6215         u8 dst_addr[ETH_ALEN];
6216         struct wpabuf *advproto, *query = NULL;
6217         int used, ret = -1;
6218         char *pos, *end;
6219         size_t len;
6220
6221         used = hwaddr_aton2(cmd, dst_addr);
6222         if (used < 0)
6223                 return -1;
6224
6225         pos = cmd + used;
6226         while (*pos == ' ')
6227                 pos++;
6228
6229         /* Advertisement Protocol ID */
6230         end = os_strchr(pos, ' ');
6231         if (end)
6232                 len = end - pos;
6233         else
6234                 len = os_strlen(pos);
6235         if (len & 0x01)
6236                 return -1;
6237         len /= 2;
6238         if (len == 0)
6239                 return -1;
6240         advproto = wpabuf_alloc(len);
6241         if (advproto == NULL)
6242                 return -1;
6243         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
6244                 goto fail;
6245
6246         if (end) {
6247                 /* Optional Query Request */
6248                 pos = end + 1;
6249                 while (*pos == ' ')
6250                         pos++;
6251
6252                 len = os_strlen(pos);
6253                 if (len) {
6254                         if (len & 0x01)
6255                                 goto fail;
6256                         len /= 2;
6257                         if (len == 0)
6258                                 goto fail;
6259                         query = wpabuf_alloc(len);
6260                         if (query == NULL)
6261                                 goto fail;
6262                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
6263                                 goto fail;
6264                 }
6265         }
6266
6267         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
6268
6269 fail:
6270         wpabuf_free(advproto);
6271         wpabuf_free(query);
6272
6273         return ret;
6274 }
6275
6276
6277 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
6278                             size_t buflen)
6279 {
6280         u8 addr[ETH_ALEN];
6281         int dialog_token;
6282         int used;
6283         char *pos;
6284         size_t resp_len, start, requested_len;
6285         struct wpabuf *resp;
6286         int ret;
6287
6288         used = hwaddr_aton2(cmd, addr);
6289         if (used < 0)
6290                 return -1;
6291
6292         pos = cmd + used;
6293         while (*pos == ' ')
6294                 pos++;
6295         dialog_token = atoi(pos);
6296
6297         if (wpa_s->last_gas_resp &&
6298             os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
6299             dialog_token == wpa_s->last_gas_dialog_token)
6300                 resp = wpa_s->last_gas_resp;
6301         else if (wpa_s->prev_gas_resp &&
6302                  os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
6303                  dialog_token == wpa_s->prev_gas_dialog_token)
6304                 resp = wpa_s->prev_gas_resp;
6305         else
6306                 return -1;
6307
6308         resp_len = wpabuf_len(resp);
6309         start = 0;
6310         requested_len = resp_len;
6311
6312         pos = os_strchr(pos, ' ');
6313         if (pos) {
6314                 start = atoi(pos);
6315                 if (start > resp_len)
6316                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6317                 pos = os_strchr(pos, ',');
6318                 if (pos == NULL)
6319                         return -1;
6320                 pos++;
6321                 requested_len = atoi(pos);
6322                 if (start + requested_len > resp_len)
6323                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6324         }
6325
6326         if (requested_len * 2 + 1 > buflen)
6327                 return os_snprintf(buf, buflen, "FAIL-Too long response");
6328
6329         ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
6330                                requested_len);
6331
6332         if (start + requested_len == resp_len) {
6333                 /*
6334                  * Free memory by dropping the response after it has been
6335                  * fetched.
6336                  */
6337                 if (resp == wpa_s->prev_gas_resp) {
6338                         wpabuf_free(wpa_s->prev_gas_resp);
6339                         wpa_s->prev_gas_resp = NULL;
6340                 } else {
6341                         wpabuf_free(wpa_s->last_gas_resp);
6342                         wpa_s->last_gas_resp = NULL;
6343                 }
6344         }
6345
6346         return ret;
6347 }
6348 #endif /* CONFIG_INTERWORKING */
6349
6350
6351 #ifdef CONFIG_HS20
6352
6353 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
6354 {
6355         u8 dst_addr[ETH_ALEN];
6356         int used;
6357         char *pos;
6358         u32 subtypes = 0;
6359
6360         used = hwaddr_aton2(dst, dst_addr);
6361         if (used < 0)
6362                 return -1;
6363         pos = dst + used;
6364         if (*pos == ' ')
6365                 pos++;
6366         for (;;) {
6367                 int num = atoi(pos);
6368                 if (num <= 0 || num > 31)
6369                         return -1;
6370                 subtypes |= BIT(num);
6371                 pos = os_strchr(pos + 1, ',');
6372                 if (pos == NULL)
6373                         break;
6374                 pos++;
6375         }
6376
6377         if (subtypes == 0)
6378                 return -1;
6379
6380         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
6381 }
6382
6383
6384 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6385                                     const u8 *addr, const char *realm)
6386 {
6387         u8 *buf;
6388         size_t rlen, len;
6389         int ret;
6390
6391         rlen = os_strlen(realm);
6392         len = 3 + rlen;
6393         buf = os_malloc(len);
6394         if (buf == NULL)
6395                 return -1;
6396         buf[0] = 1; /* NAI Home Realm Count */
6397         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
6398         buf[2] = rlen;
6399         os_memcpy(buf + 3, realm, rlen);
6400
6401         ret = hs20_anqp_send_req(wpa_s, addr,
6402                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6403                                  buf, len);
6404
6405         os_free(buf);
6406
6407         return ret;
6408 }
6409
6410
6411 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6412                                         char *dst)
6413 {
6414         struct wpa_cred *cred = wpa_s->conf->cred;
6415         u8 dst_addr[ETH_ALEN];
6416         int used;
6417         u8 *buf;
6418         size_t len;
6419         int ret;
6420
6421         used = hwaddr_aton2(dst, dst_addr);
6422         if (used < 0)
6423                 return -1;
6424
6425         while (dst[used] == ' ')
6426                 used++;
6427         if (os_strncmp(dst + used, "realm=", 6) == 0)
6428                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
6429                                                 dst + used + 6);
6430
6431         len = os_strlen(dst + used);
6432
6433         if (len == 0 && cred && cred->realm)
6434                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
6435
6436         if (len & 1)
6437                 return -1;
6438         len /= 2;
6439         buf = os_malloc(len);
6440         if (buf == NULL)
6441                 return -1;
6442         if (hexstr2bin(dst + used, buf, len) < 0) {
6443                 os_free(buf);
6444                 return -1;
6445         }
6446
6447         ret = hs20_anqp_send_req(wpa_s, dst_addr,
6448                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6449                                  buf, len);
6450         os_free(buf);
6451
6452         return ret;
6453 }
6454
6455
6456 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd)
6457 {
6458         u8 dst_addr[ETH_ALEN];
6459         int used;
6460         char *icon;
6461
6462         used = hwaddr_aton2(cmd, dst_addr);
6463         if (used < 0)
6464                 return -1;
6465
6466         while (cmd[used] == ' ')
6467                 used++;
6468         icon = &cmd[used];
6469
6470         wpa_s->fetch_osu_icon_in_progress = 0;
6471         return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
6472                                   (u8 *) icon, os_strlen(icon));
6473 }
6474
6475 #endif /* CONFIG_HS20 */
6476
6477
6478 #ifdef CONFIG_AUTOSCAN
6479
6480 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
6481                                               char *cmd)
6482 {
6483         enum wpa_states state = wpa_s->wpa_state;
6484         char *new_params = NULL;
6485
6486         if (os_strlen(cmd) > 0) {
6487                 new_params = os_strdup(cmd);
6488                 if (new_params == NULL)
6489                         return -1;
6490         }
6491
6492         os_free(wpa_s->conf->autoscan);
6493         wpa_s->conf->autoscan = new_params;
6494
6495         if (wpa_s->conf->autoscan == NULL)
6496                 autoscan_deinit(wpa_s);
6497         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
6498                 autoscan_init(wpa_s, 1);
6499         else if (state == WPA_SCANNING)
6500                 wpa_supplicant_reinit_autoscan(wpa_s);
6501
6502         return 0;
6503 }
6504
6505 #endif /* CONFIG_AUTOSCAN */
6506
6507
6508 #ifdef CONFIG_WNM
6509
6510 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
6511 {
6512         int enter;
6513         int intval = 0;
6514         char *pos;
6515         int ret;
6516         struct wpabuf *tfs_req = NULL;
6517
6518         if (os_strncmp(cmd, "enter", 5) == 0)
6519                 enter = 1;
6520         else if (os_strncmp(cmd, "exit", 4) == 0)
6521                 enter = 0;
6522         else
6523                 return -1;
6524
6525         pos = os_strstr(cmd, " interval=");
6526         if (pos)
6527                 intval = atoi(pos + 10);
6528
6529         pos = os_strstr(cmd, " tfs_req=");
6530         if (pos) {
6531                 char *end;
6532                 size_t len;
6533                 pos += 9;
6534                 end = os_strchr(pos, ' ');
6535                 if (end)
6536                         len = end - pos;
6537                 else
6538                         len = os_strlen(pos);
6539                 if (len & 1)
6540                         return -1;
6541                 len /= 2;
6542                 tfs_req = wpabuf_alloc(len);
6543                 if (tfs_req == NULL)
6544                         return -1;
6545                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
6546                         wpabuf_free(tfs_req);
6547                         return -1;
6548                 }
6549         }
6550
6551         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
6552                                            WNM_SLEEP_MODE_EXIT, intval,
6553                                            tfs_req);
6554         wpabuf_free(tfs_req);
6555
6556         return ret;
6557 }
6558
6559
6560 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
6561 {
6562         int query_reason;
6563
6564         query_reason = atoi(cmd);
6565
6566         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
6567                    query_reason);
6568
6569         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
6570 }
6571
6572 #endif /* CONFIG_WNM */
6573
6574
6575 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
6576                                       size_t buflen)
6577 {
6578         struct wpa_signal_info si;
6579         int ret;
6580         char *pos, *end;
6581
6582         ret = wpa_drv_signal_poll(wpa_s, &si);
6583         if (ret)
6584                 return -1;
6585
6586         pos = buf;
6587         end = buf + buflen;
6588
6589         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
6590                           "NOISE=%d\nFREQUENCY=%u\n",
6591                           si.current_signal, si.current_txrate / 1000,
6592                           si.current_noise, si.frequency);
6593         if (os_snprintf_error(end - pos, ret))
6594                 return -1;
6595         pos += ret;
6596
6597         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
6598                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
6599                                   channel_width_to_string(si.chanwidth));
6600                 if (os_snprintf_error(end - pos, ret))
6601                         return -1;
6602                 pos += ret;
6603         }
6604
6605         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
6606                 ret = os_snprintf(pos, end - pos,
6607                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
6608                                   si.center_frq1, si.center_frq2);
6609                 if (os_snprintf_error(end - pos, ret))
6610                         return -1;
6611                 pos += ret;
6612         }
6613
6614         if (si.avg_signal) {
6615                 ret = os_snprintf(pos, end - pos,
6616                                   "AVG_RSSI=%d\n", si.avg_signal);
6617                 if (os_snprintf_error(end - pos, ret))
6618                         return -1;
6619                 pos += ret;
6620         }
6621
6622         if (si.avg_beacon_signal) {
6623                 ret = os_snprintf(pos, end - pos,
6624                                   "AVG_BEACON_RSSI=%d\n", si.avg_beacon_signal);
6625                 if (os_snprintf_error(end - pos, ret))
6626                         return -1;
6627                 pos += ret;
6628         }
6629
6630         return pos - buf;
6631 }
6632
6633
6634 static int wpas_ctrl_iface_get_pref_freq_list(
6635         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
6636 {
6637         unsigned int freq_list[100], num = 100, i;
6638         int ret;
6639         enum wpa_driver_if_type iface_type;
6640         char *pos, *end;
6641
6642         pos = buf;
6643         end = buf + buflen;
6644
6645         /* buf: "<interface_type>" */
6646         if (os_strcmp(cmd, "STATION") == 0)
6647                 iface_type = WPA_IF_STATION;
6648         else if (os_strcmp(cmd, "AP") == 0)
6649                 iface_type = WPA_IF_AP_BSS;
6650         else if (os_strcmp(cmd, "P2P_GO") == 0)
6651                 iface_type = WPA_IF_P2P_GO;
6652         else if (os_strcmp(cmd, "P2P_CLIENT") == 0)
6653                 iface_type = WPA_IF_P2P_CLIENT;
6654         else if (os_strcmp(cmd, "IBSS") == 0)
6655                 iface_type = WPA_IF_IBSS;
6656         else if (os_strcmp(cmd, "TDLS") == 0)
6657                 iface_type = WPA_IF_TDLS;
6658         else
6659                 return -1;
6660
6661         wpa_printf(MSG_DEBUG,
6662                    "CTRL_IFACE: GET_PREF_FREQ_LIST iface_type=%d (%s)",
6663                    iface_type, buf);
6664
6665         ret = wpa_drv_get_pref_freq_list(wpa_s, iface_type, &num, freq_list);
6666         if (ret)
6667                 return -1;
6668
6669         for (i = 0; i < num; i++) {
6670                 ret = os_snprintf(pos, end - pos, "%s%u",
6671                                   i > 0 ? "," : "", freq_list[i]);
6672                 if (os_snprintf_error(end - pos, ret))
6673                         return -1;
6674                 pos += ret;
6675         }
6676
6677         return pos - buf;
6678 }
6679
6680
6681 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
6682                                       size_t buflen)
6683 {
6684         struct hostap_sta_driver_data sta;
6685         int ret;
6686
6687         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
6688         if (ret)
6689                 return -1;
6690
6691         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
6692                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
6693         if (os_snprintf_error(buflen, ret))
6694                 return -1;
6695         return ret;
6696 }
6697
6698
6699 #ifdef ANDROID
6700 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6701                                      char *buf, size_t buflen)
6702 {
6703         int ret;
6704
6705         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
6706         if (ret == 0) {
6707                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
6708                         struct p2p_data *p2p = wpa_s->global->p2p;
6709                         if (p2p) {
6710                                 char country[3];
6711                                 country[0] = cmd[8];
6712                                 country[1] = cmd[9];
6713                                 country[2] = 0x04;
6714                                 p2p_set_country(p2p, country);
6715                         }
6716                 }
6717                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
6718                 if (os_snprintf_error(buflen, ret))
6719                         ret = -1;
6720         }
6721         return ret;
6722 }
6723 #endif /* ANDROID */
6724
6725
6726 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6727                                      char *buf, size_t buflen)
6728 {
6729         int ret;
6730         char *pos;
6731         u8 *data = NULL;
6732         unsigned int vendor_id, subcmd;
6733         struct wpabuf *reply;
6734         size_t data_len = 0;
6735
6736         /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
6737         vendor_id = strtoul(cmd, &pos, 16);
6738         if (!isblank(*pos))
6739                 return -EINVAL;
6740
6741         subcmd = strtoul(pos, &pos, 10);
6742
6743         if (*pos != '\0') {
6744                 if (!isblank(*pos++))
6745                         return -EINVAL;
6746                 data_len = os_strlen(pos);
6747         }
6748
6749         if (data_len) {
6750                 data_len /= 2;
6751                 data = os_malloc(data_len);
6752                 if (!data)
6753                         return -1;
6754
6755                 if (hexstr2bin(pos, data, data_len)) {
6756                         wpa_printf(MSG_DEBUG,
6757                                    "Vendor command: wrong parameter format");
6758                         os_free(data);
6759                         return -EINVAL;
6760                 }
6761         }
6762
6763         reply = wpabuf_alloc((buflen - 1) / 2);
6764         if (!reply) {
6765                 os_free(data);
6766                 return -1;
6767         }
6768
6769         ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
6770                                  reply);
6771
6772         if (ret == 0)
6773                 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
6774                                        wpabuf_len(reply));
6775
6776         wpabuf_free(reply);
6777         os_free(data);
6778
6779         return ret;
6780 }
6781
6782
6783 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
6784 {
6785 #ifdef CONFIG_P2P
6786         struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s ?
6787                 wpa_s->global->p2p_init_wpa_s : wpa_s;
6788 #endif /* CONFIG_P2P */
6789
6790         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
6791
6792 #ifdef CONFIG_P2P
6793         wpas_p2p_cancel(p2p_wpa_s);
6794         p2p_ctrl_flush(p2p_wpa_s);
6795         wpas_p2p_group_remove(p2p_wpa_s, "*");
6796         wpas_p2p_service_flush(p2p_wpa_s);
6797         p2p_wpa_s->global->p2p_disabled = 0;
6798         p2p_wpa_s->global->p2p_per_sta_psk = 0;
6799         p2p_wpa_s->conf->num_sec_device_types = 0;
6800         p2p_wpa_s->p2p_disable_ip_addr_req = 0;
6801         os_free(p2p_wpa_s->global->p2p_go_avoid_freq.range);
6802         p2p_wpa_s->global->p2p_go_avoid_freq.range = NULL;
6803         p2p_wpa_s->global->p2p_go_avoid_freq.num = 0;
6804         p2p_wpa_s->global->pending_p2ps_group = 0;
6805 #endif /* CONFIG_P2P */
6806
6807 #ifdef CONFIG_WPS_TESTING
6808         wps_version_number = 0x20;
6809         wps_testing_dummy_cred = 0;
6810         wps_corrupt_pkhash = 0;
6811 #endif /* CONFIG_WPS_TESTING */
6812 #ifdef CONFIG_WPS
6813         wpa_s->wps_fragment_size = 0;
6814         wpas_wps_cancel(wpa_s);
6815         wps_registrar_flush(wpa_s->wps->registrar);
6816 #endif /* CONFIG_WPS */
6817         wpa_s->after_wps = 0;
6818         wpa_s->known_wps_freq = 0;
6819
6820 #ifdef CONFIG_TDLS
6821 #ifdef CONFIG_TDLS_TESTING
6822         extern unsigned int tdls_testing;
6823         tdls_testing = 0;
6824 #endif /* CONFIG_TDLS_TESTING */
6825         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
6826         wpa_tdls_enable(wpa_s->wpa, 1);
6827 #endif /* CONFIG_TDLS */
6828
6829         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
6830         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
6831
6832         wpa_s->no_keep_alive = 0;
6833         wpa_s->own_disconnect_req = 0;
6834
6835         os_free(wpa_s->disallow_aps_bssid);
6836         wpa_s->disallow_aps_bssid = NULL;
6837         wpa_s->disallow_aps_bssid_count = 0;
6838         os_free(wpa_s->disallow_aps_ssid);
6839         wpa_s->disallow_aps_ssid = NULL;
6840         wpa_s->disallow_aps_ssid_count = 0;
6841
6842         wpa_s->set_sta_uapsd = 0;
6843         wpa_s->sta_uapsd = 0;
6844
6845         wpa_drv_radio_disable(wpa_s, 0);
6846         wpa_blacklist_clear(wpa_s);
6847         wpa_s->extra_blacklist_count = 0;
6848         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
6849         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
6850         wpa_config_flush_blobs(wpa_s->conf);
6851         wpa_s->conf->auto_interworking = 0;
6852         wpa_s->conf->okc = 0;
6853
6854         wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
6855         rsn_preauth_deinit(wpa_s->wpa);
6856
6857         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
6858         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
6859         wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
6860         eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
6861
6862         radio_remove_works(wpa_s, NULL, 1);
6863         wpa_s->ext_work_in_progress = 0;
6864
6865         wpa_s->next_ssid = NULL;
6866
6867 #ifdef CONFIG_INTERWORKING
6868         hs20_cancel_fetch_osu(wpa_s);
6869 #endif /* CONFIG_INTERWORKING */
6870
6871         wpa_s->ext_mgmt_frame_handling = 0;
6872         wpa_s->ext_eapol_frame_io = 0;
6873 #ifdef CONFIG_TESTING_OPTIONS
6874         wpa_s->extra_roc_dur = 0;
6875         wpa_s->test_failure = WPAS_TEST_FAILURE_NONE;
6876 #endif /* CONFIG_TESTING_OPTIONS */
6877
6878         wpa_s->disconnected = 0;
6879         os_free(wpa_s->next_scan_freqs);
6880         wpa_s->next_scan_freqs = NULL;
6881
6882         wpa_bss_flush(wpa_s);
6883         if (!dl_list_empty(&wpa_s->bss)) {
6884                 wpa_printf(MSG_DEBUG,
6885                            "BSS table not empty after flush: %u entries, current_bss=%p bssid="
6886                            MACSTR " pending_bssid=" MACSTR,
6887                            dl_list_len(&wpa_s->bss), wpa_s->current_bss,
6888                            MAC2STR(wpa_s->bssid),
6889                            MAC2STR(wpa_s->pending_bssid));
6890         }
6891
6892         eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
6893 }
6894
6895
6896 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
6897                                      char *buf, size_t buflen)
6898 {
6899         struct wpa_radio_work *work;
6900         char *pos, *end;
6901         struct os_reltime now, diff;
6902
6903         pos = buf;
6904         end = buf + buflen;
6905
6906         os_get_reltime(&now);
6907
6908         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6909         {
6910                 int ret;
6911
6912                 os_reltime_sub(&now, &work->time, &diff);
6913                 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
6914                                   work->type, work->wpa_s->ifname, work->freq,
6915                                   work->started, diff.sec, diff.usec);
6916                 if (os_snprintf_error(end - pos, ret))
6917                         break;
6918                 pos += ret;
6919         }
6920
6921         return pos - buf;
6922 }
6923
6924
6925 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
6926 {
6927         struct wpa_radio_work *work = eloop_ctx;
6928         struct wpa_external_work *ework = work->ctx;
6929
6930         wpa_dbg(work->wpa_s, MSG_DEBUG,
6931                 "Timing out external radio work %u (%s)",
6932                 ework->id, work->type);
6933         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
6934         work->wpa_s->ext_work_in_progress = 0;
6935         radio_work_done(work);
6936         os_free(ework);
6937 }
6938
6939
6940 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
6941 {
6942         struct wpa_external_work *ework = work->ctx;
6943
6944         if (deinit) {
6945                 if (work->started)
6946                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6947                                              work, NULL);
6948
6949                 os_free(ework);
6950                 return;
6951         }
6952
6953         wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
6954                 ework->id, ework->type);
6955         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
6956         work->wpa_s->ext_work_in_progress = 1;
6957         if (!ework->timeout)
6958                 ework->timeout = 10;
6959         eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
6960                                work, NULL);
6961 }
6962
6963
6964 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
6965                                     char *buf, size_t buflen)
6966 {
6967         struct wpa_external_work *ework;
6968         char *pos, *pos2;
6969         size_t type_len;
6970         int ret;
6971         unsigned int freq = 0;
6972
6973         /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
6974
6975         ework = os_zalloc(sizeof(*ework));
6976         if (ework == NULL)
6977                 return -1;
6978
6979         pos = os_strchr(cmd, ' ');
6980         if (pos) {
6981                 type_len = pos - cmd;
6982                 pos++;
6983
6984                 pos2 = os_strstr(pos, "freq=");
6985                 if (pos2)
6986                         freq = atoi(pos2 + 5);
6987
6988                 pos2 = os_strstr(pos, "timeout=");
6989                 if (pos2)
6990                         ework->timeout = atoi(pos2 + 8);
6991         } else {
6992                 type_len = os_strlen(cmd);
6993         }
6994         if (4 + type_len >= sizeof(ework->type))
6995                 type_len = sizeof(ework->type) - 4 - 1;
6996         os_strlcpy(ework->type, "ext:", sizeof(ework->type));
6997         os_memcpy(ework->type + 4, cmd, type_len);
6998         ework->type[4 + type_len] = '\0';
6999
7000         wpa_s->ext_work_id++;
7001         if (wpa_s->ext_work_id == 0)
7002                 wpa_s->ext_work_id++;
7003         ework->id = wpa_s->ext_work_id;
7004
7005         if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
7006                            ework) < 0) {
7007                 os_free(ework);
7008                 return -1;
7009         }
7010
7011         ret = os_snprintf(buf, buflen, "%u", ework->id);
7012         if (os_snprintf_error(buflen, ret))
7013                 return -1;
7014         return ret;
7015 }
7016
7017
7018 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
7019 {
7020         struct wpa_radio_work *work;
7021         unsigned int id = atoi(cmd);
7022
7023         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
7024         {
7025                 struct wpa_external_work *ework;
7026
7027                 if (os_strncmp(work->type, "ext:", 4) != 0)
7028                         continue;
7029                 ework = work->ctx;
7030                 if (id && ework->id != id)
7031                         continue;
7032                 wpa_dbg(wpa_s, MSG_DEBUG,
7033                         "Completed external radio work %u (%s)",
7034                         ework->id, ework->type);
7035                 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
7036                 wpa_s->ext_work_in_progress = 0;
7037                 radio_work_done(work);
7038                 os_free(ework);
7039                 return 3; /* "OK\n" */
7040         }
7041
7042         return -1;
7043 }
7044
7045
7046 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
7047                                 char *buf, size_t buflen)
7048 {
7049         if (os_strcmp(cmd, "show") == 0)
7050                 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
7051         if (os_strncmp(cmd, "add ", 4) == 0)
7052                 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
7053         if (os_strncmp(cmd, "done ", 5) == 0)
7054                 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
7055         return -1;
7056 }
7057
7058
7059 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
7060 {
7061         struct wpa_radio_work *work, *tmp;
7062
7063         if (!wpa_s || !wpa_s->radio)
7064                 return;
7065
7066         dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
7067                               struct wpa_radio_work, list) {
7068                 struct wpa_external_work *ework;
7069
7070                 if (os_strncmp(work->type, "ext:", 4) != 0)
7071                         continue;
7072                 ework = work->ctx;
7073                 wpa_dbg(wpa_s, MSG_DEBUG,
7074                         "Flushing%s external radio work %u (%s)",
7075                         work->started ? " started" : "", ework->id,
7076                         ework->type);
7077                 if (work->started)
7078                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
7079                                              work, NULL);
7080                 radio_work_done(work);
7081                 os_free(ework);
7082         }
7083 }
7084
7085
7086 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
7087 {
7088         struct wpa_supplicant *wpa_s = eloop_ctx;
7089         eapol_sm_notify_ctrl_response(wpa_s->eapol);
7090 }
7091
7092
7093 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value,
7094                               unsigned int *scan_id_count, int scan_id[])
7095 {
7096         const char *pos = value;
7097
7098         while (pos) {
7099                 if (*pos == ' ' || *pos == '\0')
7100                         break;
7101                 if (*scan_id_count == MAX_SCAN_ID)
7102                         return -1;
7103                 scan_id[(*scan_id_count)++] = atoi(pos);
7104                 pos = os_strchr(pos, ',');
7105                 if (pos)
7106                         pos++;
7107         }
7108
7109         return 0;
7110 }
7111
7112
7113 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
7114                            char *reply, int reply_size, int *reply_len)
7115 {
7116         char *pos;
7117         unsigned int manual_scan_passive = 0;
7118         unsigned int manual_scan_use_id = 0;
7119         unsigned int manual_scan_only_new = 0;
7120         unsigned int scan_only = 0;
7121         unsigned int scan_id_count = 0;
7122         int scan_id[MAX_SCAN_ID];
7123         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
7124                                  struct wpa_scan_results *scan_res);
7125         int *manual_scan_freqs = NULL;
7126         struct wpa_ssid_value *ssid = NULL, *ns;
7127         unsigned int ssid_count = 0;
7128
7129         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
7130                 *reply_len = -1;
7131                 return;
7132         }
7133
7134         if (radio_work_pending(wpa_s, "scan")) {
7135                 wpa_printf(MSG_DEBUG,
7136                            "Pending scan scheduled - reject new request");
7137                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7138                 return;
7139         }
7140
7141 #ifdef CONFIG_INTERWORKING
7142         if (wpa_s->fetch_anqp_in_progress || wpa_s->network_select) {
7143                 wpa_printf(MSG_DEBUG,
7144                            "Interworking select in progress - reject new scan");
7145                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7146                 return;
7147         }
7148 #endif /* CONFIG_INTERWORKING */
7149
7150         if (params) {
7151                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
7152                         scan_only = 1;
7153
7154                 pos = os_strstr(params, "freq=");
7155                 if (pos) {
7156                         manual_scan_freqs = freq_range_to_channel_list(wpa_s,
7157                                                                        pos + 5);
7158                         if (manual_scan_freqs == NULL) {
7159                                 *reply_len = -1;
7160                                 goto done;
7161                         }
7162                 }
7163
7164                 pos = os_strstr(params, "passive=");
7165                 if (pos)
7166                         manual_scan_passive = !!atoi(pos + 8);
7167
7168                 pos = os_strstr(params, "use_id=");
7169                 if (pos)
7170                         manual_scan_use_id = atoi(pos + 7);
7171
7172                 pos = os_strstr(params, "only_new=1");
7173                 if (pos)
7174                         manual_scan_only_new = 1;
7175
7176                 pos = os_strstr(params, "scan_id=");
7177                 if (pos && scan_id_list_parse(wpa_s, pos + 8, &scan_id_count,
7178                                               scan_id) < 0) {
7179                         *reply_len = -1;
7180                         goto done;
7181                 }
7182
7183                 pos = params;
7184                 while (pos && *pos != '\0') {
7185                         if (os_strncmp(pos, "ssid ", 5) == 0) {
7186                                 char *end;
7187
7188                                 pos += 5;
7189                                 end = pos;
7190                                 while (*end) {
7191                                         if (*end == '\0' || *end == ' ')
7192                                                 break;
7193                                         end++;
7194                                 }
7195
7196                                 ns = os_realloc_array(
7197                                         ssid, ssid_count + 1,
7198                                         sizeof(struct wpa_ssid_value));
7199                                 if (ns == NULL) {
7200                                         *reply_len = -1;
7201                                         goto done;
7202                                 }
7203                                 ssid = ns;
7204
7205                                 if ((end - pos) & 0x01 ||
7206                                     end - pos > 2 * SSID_MAX_LEN ||
7207                                     hexstr2bin(pos, ssid[ssid_count].ssid,
7208                                                (end - pos) / 2) < 0) {
7209                                         wpa_printf(MSG_DEBUG,
7210                                                    "Invalid SSID value '%s'",
7211                                                    pos);
7212                                         *reply_len = -1;
7213                                         goto done;
7214                                 }
7215                                 ssid[ssid_count].ssid_len = (end - pos) / 2;
7216                                 wpa_hexdump_ascii(MSG_DEBUG, "scan SSID",
7217                                                   ssid[ssid_count].ssid,
7218                                                   ssid[ssid_count].ssid_len);
7219                                 ssid_count++;
7220                                 pos = end;
7221                         }
7222
7223                         pos = os_strchr(pos, ' ');
7224                         if (pos)
7225                                 pos++;
7226                 }
7227         }
7228
7229         wpa_s->num_ssids_from_scan_req = ssid_count;
7230         os_free(wpa_s->ssids_from_scan_req);
7231         if (ssid_count) {
7232                 wpa_s->ssids_from_scan_req = ssid;
7233                 ssid = NULL;
7234         } else {
7235                 wpa_s->ssids_from_scan_req = NULL;
7236         }
7237
7238         if (scan_only)
7239                 scan_res_handler = scan_only_handler;
7240         else if (wpa_s->scan_res_handler == scan_only_handler)
7241                 scan_res_handler = NULL;
7242         else
7243                 scan_res_handler = wpa_s->scan_res_handler;
7244
7245         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
7246             ((wpa_s->wpa_state <= WPA_SCANNING) ||
7247              (wpa_s->wpa_state == WPA_COMPLETED))) {
7248                 wpa_s->manual_scan_passive = manual_scan_passive;
7249                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7250                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7251                 wpa_s->scan_id_count = scan_id_count;
7252                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7253                 wpa_s->scan_res_handler = scan_res_handler;
7254                 os_free(wpa_s->manual_scan_freqs);
7255                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7256                 manual_scan_freqs = NULL;
7257
7258                 wpa_s->normal_scans = 0;
7259                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7260                 wpa_s->after_wps = 0;
7261                 wpa_s->known_wps_freq = 0;
7262                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7263                 if (wpa_s->manual_scan_use_id) {
7264                         wpa_s->manual_scan_id++;
7265                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7266                                 wpa_s->manual_scan_id);
7267                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7268                                                  wpa_s->manual_scan_id);
7269                 }
7270         } else if (wpa_s->sched_scanning) {
7271                 wpa_s->manual_scan_passive = manual_scan_passive;
7272                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7273                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7274                 wpa_s->scan_id_count = scan_id_count;
7275                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7276                 wpa_s->scan_res_handler = scan_res_handler;
7277                 os_free(wpa_s->manual_scan_freqs);
7278                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7279                 manual_scan_freqs = NULL;
7280
7281                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
7282                 wpa_supplicant_cancel_sched_scan(wpa_s);
7283                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7284                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7285                 if (wpa_s->manual_scan_use_id) {
7286                         wpa_s->manual_scan_id++;
7287                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7288                                                  wpa_s->manual_scan_id);
7289                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7290                                 wpa_s->manual_scan_id);
7291                 }
7292         } else {
7293                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
7294                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7295         }
7296
7297 done:
7298         os_free(manual_scan_freqs);
7299         os_free(ssid);
7300 }
7301
7302
7303 #ifdef CONFIG_TESTING_OPTIONS
7304
7305 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
7306                                        unsigned int freq, const u8 *dst,
7307                                        const u8 *src, const u8 *bssid,
7308                                        const u8 *data, size_t data_len,
7309                                        enum offchannel_send_action_result
7310                                        result)
7311 {
7312         wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
7313                 " src=" MACSTR " bssid=" MACSTR " result=%s",
7314                 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
7315                 result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
7316                 "SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
7317                              "NO_ACK" : "FAILED"));
7318 }
7319
7320
7321 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
7322 {
7323         char *pos, *param;
7324         size_t len;
7325         u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
7326         int res, used;
7327         int freq = 0, no_cck = 0, wait_time = 0;
7328
7329         /* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
7330          *    <action=Action frame payload> */
7331
7332         wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
7333
7334         pos = cmd;
7335         used = hwaddr_aton2(pos, da);
7336         if (used < 0)
7337                 return -1;
7338         pos += used;
7339         while (*pos == ' ')
7340                 pos++;
7341         used = hwaddr_aton2(pos, bssid);
7342         if (used < 0)
7343                 return -1;
7344         pos += used;
7345
7346         param = os_strstr(pos, " freq=");
7347         if (param) {
7348                 param += 6;
7349                 freq = atoi(param);
7350         }
7351
7352         param = os_strstr(pos, " no_cck=");
7353         if (param) {
7354                 param += 8;
7355                 no_cck = atoi(param);
7356         }
7357
7358         param = os_strstr(pos, " wait_time=");
7359         if (param) {
7360                 param += 11;
7361                 wait_time = atoi(param);
7362         }
7363
7364         param = os_strstr(pos, " action=");
7365         if (param == NULL)
7366                 return -1;
7367         param += 8;
7368
7369         len = os_strlen(param);
7370         if (len & 1)
7371                 return -1;
7372         len /= 2;
7373
7374         buf = os_malloc(len);
7375         if (buf == NULL)
7376                 return -1;
7377
7378         if (hexstr2bin(param, buf, len) < 0) {
7379                 os_free(buf);
7380                 return -1;
7381         }
7382
7383         res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
7384                                      buf, len, wait_time,
7385                                      wpas_ctrl_iface_mgmt_tx_cb, no_cck);
7386         os_free(buf);
7387         return res;
7388 }
7389
7390
7391 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
7392 {
7393         wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
7394         offchannel_send_action_done(wpa_s);
7395 }
7396
7397
7398 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
7399 {
7400         char *pos, *param;
7401         union wpa_event_data event;
7402         enum wpa_event_type ev;
7403
7404         /* <event name> [parameters..] */
7405
7406         wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
7407
7408         pos = cmd;
7409         param = os_strchr(pos, ' ');
7410         if (param)
7411                 *param++ = '\0';
7412
7413         os_memset(&event, 0, sizeof(event));
7414
7415         if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
7416                 ev = EVENT_INTERFACE_ENABLED;
7417         } else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
7418                 ev = EVENT_INTERFACE_DISABLED;
7419         } else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
7420                 ev = EVENT_AVOID_FREQUENCIES;
7421                 if (param == NULL)
7422                         param = "";
7423                 if (freq_range_list_parse(&event.freq_range, param) < 0)
7424                         return -1;
7425                 wpa_supplicant_event(wpa_s, ev, &event);
7426                 os_free(event.freq_range.range);
7427                 return 0;
7428         } else {
7429                 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
7430                         cmd);
7431                 return -1;
7432         }
7433
7434         wpa_supplicant_event(wpa_s, ev, &event);
7435
7436         return 0;
7437 }
7438
7439
7440 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
7441 {
7442         char *pos;
7443         u8 src[ETH_ALEN], *buf;
7444         int used;
7445         size_t len;
7446
7447         wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
7448
7449         pos = cmd;
7450         used = hwaddr_aton2(pos, src);
7451         if (used < 0)
7452                 return -1;
7453         pos += used;
7454         while (*pos == ' ')
7455                 pos++;
7456
7457         len = os_strlen(pos);
7458         if (len & 1)
7459                 return -1;
7460         len /= 2;
7461
7462         buf = os_malloc(len);
7463         if (buf == NULL)
7464                 return -1;
7465
7466         if (hexstr2bin(pos, buf, len) < 0) {
7467                 os_free(buf);
7468                 return -1;
7469         }
7470
7471         wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
7472         os_free(buf);
7473
7474         return 0;
7475 }
7476
7477
7478 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
7479 {
7480         size_t i;
7481         u32 sum = 0;
7482         const u16 *pos = buf;
7483
7484         for (i = 0; i < len / 2; i++)
7485                 sum += *pos++;
7486
7487         while (sum >> 16)
7488                 sum = (sum & 0xffff) + (sum >> 16);
7489
7490         return sum ^ 0xffff;
7491 }
7492
7493
7494 #define HWSIM_PACKETLEN 1500
7495 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
7496
7497 void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
7498 {
7499         struct wpa_supplicant *wpa_s = ctx;
7500         const struct ether_header *eth;
7501         struct iphdr ip;
7502         const u8 *pos;
7503         unsigned int i;
7504
7505         if (len != HWSIM_PACKETLEN)
7506                 return;
7507
7508         eth = (const struct ether_header *) buf;
7509         os_memcpy(&ip, eth + 1, sizeof(ip));
7510         pos = &buf[sizeof(*eth) + sizeof(ip)];
7511
7512         if (ip.ihl != 5 || ip.version != 4 ||
7513             ntohs(ip.tot_len) != HWSIM_IP_LEN)
7514                 return;
7515
7516         for (i = 0; i < HWSIM_IP_LEN - sizeof(ip); i++) {
7517                 if (*pos != (u8) i)
7518                         return;
7519                 pos++;
7520         }
7521
7522         wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
7523                 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
7524 }
7525
7526
7527 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
7528                                             char *cmd)
7529 {
7530         int enabled = atoi(cmd);
7531
7532         if (!enabled) {
7533                 if (wpa_s->l2_test) {
7534                         l2_packet_deinit(wpa_s->l2_test);
7535                         wpa_s->l2_test = NULL;
7536                         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
7537                 }
7538                 return 0;
7539         }
7540
7541         if (wpa_s->l2_test)
7542                 return 0;
7543
7544         wpa_s->l2_test = l2_packet_init(wpa_s->ifname, wpa_s->own_addr,
7545                                         ETHERTYPE_IP, wpas_data_test_rx,
7546                                         wpa_s, 1);
7547         if (wpa_s->l2_test == NULL)
7548                 return -1;
7549
7550         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
7551
7552         return 0;
7553 }
7554
7555
7556 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
7557 {
7558         u8 dst[ETH_ALEN], src[ETH_ALEN];
7559         char *pos;
7560         int used;
7561         long int val;
7562         u8 tos;
7563         u8 buf[2 + HWSIM_PACKETLEN];
7564         struct ether_header *eth;
7565         struct iphdr *ip;
7566         u8 *dpos;
7567         unsigned int i;
7568
7569         if (wpa_s->l2_test == NULL)
7570                 return -1;
7571
7572         /* format: <dst> <src> <tos> */
7573
7574         pos = cmd;
7575         used = hwaddr_aton2(pos, dst);
7576         if (used < 0)
7577                 return -1;
7578         pos += used;
7579         while (*pos == ' ')
7580                 pos++;
7581         used = hwaddr_aton2(pos, src);
7582         if (used < 0)
7583                 return -1;
7584         pos += used;
7585
7586         val = strtol(pos, NULL, 0);
7587         if (val < 0 || val > 0xff)
7588                 return -1;
7589         tos = val;
7590
7591         eth = (struct ether_header *) &buf[2];
7592         os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
7593         os_memcpy(eth->ether_shost, src, ETH_ALEN);
7594         eth->ether_type = htons(ETHERTYPE_IP);
7595         ip = (struct iphdr *) (eth + 1);
7596         os_memset(ip, 0, sizeof(*ip));
7597         ip->ihl = 5;
7598         ip->version = 4;
7599         ip->ttl = 64;
7600         ip->tos = tos;
7601         ip->tot_len = htons(HWSIM_IP_LEN);
7602         ip->protocol = 1;
7603         ip->saddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 1);
7604         ip->daddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 2);
7605         ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
7606         dpos = (u8 *) (ip + 1);
7607         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
7608                 *dpos++ = i;
7609
7610         if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, &buf[2],
7611                            HWSIM_PACKETLEN) < 0)
7612                 return -1;
7613
7614         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
7615                 " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
7616
7617         return 0;
7618 }
7619
7620
7621 static int wpas_ctrl_iface_data_test_frame(struct wpa_supplicant *wpa_s,
7622                                            char *cmd)
7623 {
7624         u8 *buf;
7625         struct ether_header *eth;
7626         struct l2_packet_data *l2 = NULL;
7627         size_t len;
7628         u16 ethertype;
7629         int res = -1;
7630
7631         len = os_strlen(cmd);
7632         if (len & 1 || len < ETH_HLEN * 2)
7633                 return -1;
7634         len /= 2;
7635
7636         buf = os_malloc(len);
7637         if (buf == NULL)
7638                 return -1;
7639
7640         if (hexstr2bin(cmd, buf, len) < 0)
7641                 goto done;
7642
7643         eth = (struct ether_header *) buf;
7644         ethertype = ntohs(eth->ether_type);
7645
7646         l2 = l2_packet_init(wpa_s->ifname, wpa_s->own_addr, ethertype,
7647                             wpas_data_test_rx, wpa_s, 1);
7648         if (l2 == NULL)
7649                 goto done;
7650
7651         res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
7652         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX frame res=%d", res);
7653 done:
7654         if (l2)
7655                 l2_packet_deinit(l2);
7656         os_free(buf);
7657
7658         return res < 0 ? -1 : 0;
7659 }
7660
7661
7662 static int wpas_ctrl_test_alloc_fail(struct wpa_supplicant *wpa_s, char *cmd)
7663 {
7664 #ifdef WPA_TRACE_BFD
7665         extern char wpa_trace_fail_func[256];
7666         extern unsigned int wpa_trace_fail_after;
7667         char *pos;
7668
7669         wpa_trace_fail_after = atoi(cmd);
7670         pos = os_strchr(cmd, ':');
7671         if (pos) {
7672                 pos++;
7673                 os_strlcpy(wpa_trace_fail_func, pos,
7674                            sizeof(wpa_trace_fail_func));
7675         } else {
7676                 wpa_trace_fail_after = 0;
7677         }
7678         return 0;
7679 #else /* WPA_TRACE_BFD */
7680         return -1;
7681 #endif /* WPA_TRACE_BFD */
7682 }
7683
7684
7685 static int wpas_ctrl_get_alloc_fail(struct wpa_supplicant *wpa_s,
7686                                     char *buf, size_t buflen)
7687 {
7688 #ifdef WPA_TRACE_BFD
7689         extern char wpa_trace_fail_func[256];
7690         extern unsigned int wpa_trace_fail_after;
7691
7692         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
7693                            wpa_trace_fail_func);
7694 #else /* WPA_TRACE_BFD */
7695         return -1;
7696 #endif /* WPA_TRACE_BFD */
7697 }
7698
7699
7700 static int wpas_ctrl_test_fail(struct wpa_supplicant *wpa_s, char *cmd)
7701 {
7702 #ifdef WPA_TRACE_BFD
7703         extern char wpa_trace_test_fail_func[256];
7704         extern unsigned int wpa_trace_test_fail_after;
7705         char *pos;
7706
7707         wpa_trace_test_fail_after = atoi(cmd);
7708         pos = os_strchr(cmd, ':');
7709         if (pos) {
7710                 pos++;
7711                 os_strlcpy(wpa_trace_test_fail_func, pos,
7712                            sizeof(wpa_trace_test_fail_func));
7713         } else {
7714                 wpa_trace_test_fail_after = 0;
7715         }
7716         return 0;
7717 #else /* WPA_TRACE_BFD */
7718         return -1;
7719 #endif /* WPA_TRACE_BFD */
7720 }
7721
7722
7723 static int wpas_ctrl_get_fail(struct wpa_supplicant *wpa_s,
7724                                     char *buf, size_t buflen)
7725 {
7726 #ifdef WPA_TRACE_BFD
7727         extern char wpa_trace_test_fail_func[256];
7728         extern unsigned int wpa_trace_test_fail_after;
7729
7730         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_test_fail_after,
7731                            wpa_trace_test_fail_func);
7732 #else /* WPA_TRACE_BFD */
7733         return -1;
7734 #endif /* WPA_TRACE_BFD */
7735 }
7736
7737 #endif /* CONFIG_TESTING_OPTIONS */
7738
7739
7740 static void wpas_ctrl_vendor_elem_update(struct wpa_supplicant *wpa_s)
7741 {
7742         unsigned int i;
7743         char buf[30];
7744
7745         wpa_printf(MSG_DEBUG, "Update vendor elements");
7746
7747         for (i = 0; i < NUM_VENDOR_ELEM_FRAMES; i++) {
7748                 if (wpa_s->vendor_elem[i]) {
7749                         int res;
7750
7751                         res = os_snprintf(buf, sizeof(buf), "frame[%u]", i);
7752                         if (!os_snprintf_error(sizeof(buf), res)) {
7753                                 wpa_hexdump_buf(MSG_DEBUG, buf,
7754                                                 wpa_s->vendor_elem[i]);
7755                         }
7756                 }
7757         }
7758
7759 #ifdef CONFIG_P2P
7760         if (wpa_s->parent == wpa_s &&
7761             wpa_s->global->p2p &&
7762             !wpa_s->global->p2p_disabled)
7763                 p2p_set_vendor_elems(wpa_s->global->p2p, wpa_s->vendor_elem);
7764 #endif /* CONFIG_P2P */
7765 }
7766
7767
7768 static struct wpa_supplicant *
7769 wpas_ctrl_vendor_elem_iface(struct wpa_supplicant *wpa_s,
7770                             enum wpa_vendor_elem_frame frame)
7771 {
7772         switch (frame) {
7773 #ifdef CONFIG_P2P
7774         case VENDOR_ELEM_PROBE_REQ_P2P:
7775         case VENDOR_ELEM_PROBE_RESP_P2P:
7776         case VENDOR_ELEM_PROBE_RESP_P2P_GO:
7777         case VENDOR_ELEM_BEACON_P2P_GO:
7778         case VENDOR_ELEM_P2P_PD_REQ:
7779         case VENDOR_ELEM_P2P_PD_RESP:
7780         case VENDOR_ELEM_P2P_GO_NEG_REQ:
7781         case VENDOR_ELEM_P2P_GO_NEG_RESP:
7782         case VENDOR_ELEM_P2P_GO_NEG_CONF:
7783         case VENDOR_ELEM_P2P_INV_REQ:
7784         case VENDOR_ELEM_P2P_INV_RESP:
7785         case VENDOR_ELEM_P2P_ASSOC_REQ:
7786                 return wpa_s->parent;
7787 #endif /* CONFIG_P2P */
7788         default:
7789                 return wpa_s;
7790         }
7791 }
7792
7793
7794 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
7795 {
7796         char *pos = cmd;
7797         int frame;
7798         size_t len;
7799         struct wpabuf *buf;
7800         struct ieee802_11_elems elems;
7801
7802         frame = atoi(pos);
7803         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7804                 return -1;
7805         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7806
7807         pos = os_strchr(pos, ' ');
7808         if (pos == NULL)
7809                 return -1;
7810         pos++;
7811
7812         len = os_strlen(pos);
7813         if (len == 0)
7814                 return 0;
7815         if (len & 1)
7816                 return -1;
7817         len /= 2;
7818
7819         buf = wpabuf_alloc(len);
7820         if (buf == NULL)
7821                 return -1;
7822
7823         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
7824                 wpabuf_free(buf);
7825                 return -1;
7826         }
7827
7828         if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
7829             ParseFailed) {
7830                 wpabuf_free(buf);
7831                 return -1;
7832         }
7833
7834         if (wpa_s->vendor_elem[frame] == NULL) {
7835                 wpa_s->vendor_elem[frame] = buf;
7836                 wpas_ctrl_vendor_elem_update(wpa_s);
7837                 return 0;
7838         }
7839
7840         if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
7841                 wpabuf_free(buf);
7842                 return -1;
7843         }
7844
7845         wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
7846         wpabuf_free(buf);
7847         wpas_ctrl_vendor_elem_update(wpa_s);
7848
7849         return 0;
7850 }
7851
7852
7853 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
7854                                      char *buf, size_t buflen)
7855 {
7856         int frame = atoi(cmd);
7857
7858         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7859                 return -1;
7860         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7861
7862         if (wpa_s->vendor_elem[frame] == NULL)
7863                 return 0;
7864
7865         return wpa_snprintf_hex(buf, buflen,
7866                                 wpabuf_head_u8(wpa_s->vendor_elem[frame]),
7867                                 wpabuf_len(wpa_s->vendor_elem[frame]));
7868 }
7869
7870
7871 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
7872 {
7873         char *pos = cmd;
7874         int frame;
7875         size_t len;
7876         u8 *buf;
7877         struct ieee802_11_elems elems;
7878         u8 *ie, *end;
7879
7880         frame = atoi(pos);
7881         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7882                 return -1;
7883         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7884
7885         pos = os_strchr(pos, ' ');
7886         if (pos == NULL)
7887                 return -1;
7888         pos++;
7889
7890         if (*pos == '*') {
7891                 wpabuf_free(wpa_s->vendor_elem[frame]);
7892                 wpa_s->vendor_elem[frame] = NULL;
7893                 wpas_ctrl_vendor_elem_update(wpa_s);
7894                 return 0;
7895         }
7896
7897         if (wpa_s->vendor_elem[frame] == NULL)
7898                 return -1;
7899
7900         len = os_strlen(pos);
7901         if (len == 0)
7902                 return 0;
7903         if (len & 1)
7904                 return -1;
7905         len /= 2;
7906
7907         buf = os_malloc(len);
7908         if (buf == NULL)
7909                 return -1;
7910
7911         if (hexstr2bin(pos, buf, len) < 0) {
7912                 os_free(buf);
7913                 return -1;
7914         }
7915
7916         if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
7917                 os_free(buf);
7918                 return -1;
7919         }
7920
7921         ie = wpabuf_mhead_u8(wpa_s->vendor_elem[frame]);
7922         end = ie + wpabuf_len(wpa_s->vendor_elem[frame]);
7923
7924         for (; ie + 1 < end; ie += 2 + ie[1]) {
7925                 if (ie + len > end)
7926                         break;
7927                 if (os_memcmp(ie, buf, len) != 0)
7928                         continue;
7929
7930                 if (wpabuf_len(wpa_s->vendor_elem[frame]) == len) {
7931                         wpabuf_free(wpa_s->vendor_elem[frame]);
7932                         wpa_s->vendor_elem[frame] = NULL;
7933                 } else {
7934                         os_memmove(ie, ie + len,
7935                                    end - (ie + len));
7936                         wpa_s->vendor_elem[frame]->used -= len;
7937                 }
7938                 os_free(buf);
7939                 wpas_ctrl_vendor_elem_update(wpa_s);
7940                 return 0;
7941         }
7942
7943         os_free(buf);
7944
7945         return -1;
7946 }
7947
7948
7949 static void wpas_ctrl_neighbor_rep_cb(void *ctx, struct wpabuf *neighbor_rep)
7950 {
7951         struct wpa_supplicant *wpa_s = ctx;
7952
7953         if (neighbor_rep) {
7954                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_RXED
7955                              "length=%u",
7956                              (unsigned int) wpabuf_len(neighbor_rep));
7957                 wpabuf_free(neighbor_rep);
7958         } else {
7959                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_FAILED);
7960         }
7961 }
7962
7963
7964 static int wpas_ctrl_iface_send_neigbor_rep(struct wpa_supplicant *wpa_s,
7965                                             char *cmd)
7966 {
7967         struct wpa_ssid ssid;
7968         struct wpa_ssid *ssid_p = NULL;
7969         int ret = 0;
7970
7971         if (os_strncmp(cmd, " ssid=", 6) == 0) {
7972                 ssid.ssid_len = os_strlen(cmd + 6);
7973                 if (ssid.ssid_len > SSID_MAX_LEN)
7974                         return -1;
7975                 ssid.ssid = (u8 *) (cmd + 6);
7976                 ssid_p = &ssid;
7977         }
7978
7979         ret = wpas_rrm_send_neighbor_rep_request(wpa_s, ssid_p,
7980                                                  wpas_ctrl_neighbor_rep_cb,
7981                                                  wpa_s);
7982
7983         return ret;
7984 }
7985
7986
7987 static int wpas_ctrl_iface_erp_flush(struct wpa_supplicant *wpa_s)
7988 {
7989         eapol_sm_erp_flush(wpa_s->eapol);
7990         return 0;
7991 }
7992
7993
7994 static int wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant *wpa_s,
7995                                          char *cmd)
7996 {
7997         char *token, *context = NULL;
7998         unsigned int enable = ~0, type = 0;
7999         u8 _addr[ETH_ALEN], _mask[ETH_ALEN];
8000         u8 *addr = NULL, *mask = NULL;
8001
8002         while ((token = str_token(cmd, " ", &context))) {
8003                 if (os_strcasecmp(token, "scan") == 0) {
8004                         type |= MAC_ADDR_RAND_SCAN;
8005                 } else if (os_strcasecmp(token, "sched") == 0) {
8006                         type |= MAC_ADDR_RAND_SCHED_SCAN;
8007                 } else if (os_strcasecmp(token, "pno") == 0) {
8008                         type |= MAC_ADDR_RAND_PNO;
8009                 } else if (os_strcasecmp(token, "all") == 0) {
8010                         type = wpa_s->mac_addr_rand_supported;
8011                 } else if (os_strncasecmp(token, "enable=", 7) == 0) {
8012                         enable = atoi(token + 7);
8013                 } else if (os_strncasecmp(token, "addr=", 5) == 0) {
8014                         addr = _addr;
8015                         if (hwaddr_aton(token + 5, addr)) {
8016                                 wpa_printf(MSG_INFO,
8017                                            "CTRL: Invalid MAC address: %s",
8018                                            token);
8019                                 return -1;
8020                         }
8021                 } else if (os_strncasecmp(token, "mask=", 5) == 0) {
8022                         mask = _mask;
8023                         if (hwaddr_aton(token + 5, mask)) {
8024                                 wpa_printf(MSG_INFO,
8025                                            "CTRL: Invalid MAC address mask: %s",
8026                                            token);
8027                                 return -1;
8028                         }
8029                 } else {
8030                         wpa_printf(MSG_INFO,
8031                                    "CTRL: Invalid MAC_RAND_SCAN parameter: %s",
8032                                    token);
8033                         return -1;
8034                 }
8035         }
8036
8037         if (!type) {
8038                 wpa_printf(MSG_INFO, "CTRL: MAC_RAND_SCAN no type specified");
8039                 return -1;
8040         }
8041
8042         if ((wpa_s->mac_addr_rand_supported & type) != type) {
8043                 wpa_printf(MSG_INFO,
8044                            "CTRL: MAC_RAND_SCAN types=%u != supported=%u",
8045                            type, wpa_s->mac_addr_rand_supported);
8046                 return -1;
8047         }
8048
8049         if (enable > 1) {
8050                 wpa_printf(MSG_INFO,
8051                            "CTRL: MAC_RAND_SCAN enable=<0/1> not specified");
8052                 return -1;
8053         }
8054
8055         if (!enable) {
8056                 wpas_mac_addr_rand_scan_clear(wpa_s, type);
8057                 if (wpa_s->pno) {
8058                         if (type & MAC_ADDR_RAND_PNO) {
8059                                 wpas_stop_pno(wpa_s);
8060                                 wpas_start_pno(wpa_s);
8061                         }
8062                 } else if (wpa_s->sched_scanning &&
8063                            (type & MAC_ADDR_RAND_SCHED_SCAN)) {
8064                         /* simulate timeout to restart the sched scan */
8065                         wpa_s->sched_scan_timed_out = 1;
8066                         wpa_s->prev_sched_ssid = NULL;
8067                         wpa_supplicant_cancel_sched_scan(wpa_s);
8068                 }
8069                 return 0;
8070         }
8071
8072         if ((addr && !mask) || (!addr && mask)) {
8073                 wpa_printf(MSG_INFO,
8074                            "CTRL: MAC_RAND_SCAN invalid addr/mask combination");
8075                 return -1;
8076         }
8077
8078         if (addr && mask && (!(mask[0] & 0x01) || (addr[0] & 0x01))) {
8079                 wpa_printf(MSG_INFO,
8080                            "CTRL: MAC_RAND_SCAN cannot allow multicast address");
8081                 return -1;
8082         }
8083
8084         if (type & MAC_ADDR_RAND_SCAN) {
8085                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCAN,
8086                                             addr, mask);
8087         }
8088
8089         if (type & MAC_ADDR_RAND_SCHED_SCAN) {
8090                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCHED_SCAN,
8091                                             addr, mask);
8092
8093                 if (wpa_s->sched_scanning && !wpa_s->pno) {
8094                         /* simulate timeout to restart the sched scan */
8095                         wpa_s->sched_scan_timed_out = 1;
8096                         wpa_s->prev_sched_ssid = NULL;
8097                         wpa_supplicant_cancel_sched_scan(wpa_s);
8098                 }
8099         }
8100
8101         if (type & MAC_ADDR_RAND_PNO) {
8102                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_PNO,
8103                                             addr, mask);
8104                 if (wpa_s->pno) {
8105                         wpas_stop_pno(wpa_s);
8106                         wpas_start_pno(wpa_s);
8107                 }
8108         }
8109
8110         return 0;
8111 }
8112
8113
8114 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
8115                                          char *buf, size_t *resp_len)
8116 {
8117         char *reply;
8118         const int reply_size = 4096;
8119         int reply_len;
8120
8121         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
8122             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8123                 if (wpa_debug_show_keys)
8124                         wpa_dbg(wpa_s, MSG_DEBUG,
8125                                 "Control interface command '%s'", buf);
8126                 else
8127                         wpa_dbg(wpa_s, MSG_DEBUG,
8128                                 "Control interface command '%s [REMOVED]'",
8129                                 os_strncmp(buf, WPA_CTRL_RSP,
8130                                            os_strlen(WPA_CTRL_RSP)) == 0 ?
8131                                 WPA_CTRL_RSP : "SET_NETWORK");
8132         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
8133                    os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
8134                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
8135                                       (const u8 *) buf, os_strlen(buf));
8136         } else {
8137                 int level = MSG_DEBUG;
8138                 if (os_strcmp(buf, "PING") == 0)
8139                         level = MSG_EXCESSIVE;
8140                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
8141         }
8142
8143         reply = os_malloc(reply_size);
8144         if (reply == NULL) {
8145                 *resp_len = 1;
8146                 return NULL;
8147         }
8148
8149         os_memcpy(reply, "OK\n", 3);
8150         reply_len = 3;
8151
8152         if (os_strcmp(buf, "PING") == 0) {
8153                 os_memcpy(reply, "PONG\n", 5);
8154                 reply_len = 5;
8155         } else if (os_strcmp(buf, "IFNAME") == 0) {
8156                 reply_len = os_strlen(wpa_s->ifname);
8157                 os_memcpy(reply, wpa_s->ifname, reply_len);
8158         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
8159                 if (wpa_debug_reopen_file() < 0)
8160                         reply_len = -1;
8161         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
8162                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
8163         } else if (os_strcmp(buf, "MIB") == 0) {
8164                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
8165                 if (reply_len >= 0) {
8166                         reply_len += eapol_sm_get_mib(wpa_s->eapol,
8167                                                       reply + reply_len,
8168                                                       reply_size - reply_len);
8169                 }
8170         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
8171                 reply_len = wpa_supplicant_ctrl_iface_status(
8172                         wpa_s, buf + 6, reply, reply_size);
8173         } else if (os_strcmp(buf, "PMKSA") == 0) {
8174                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
8175                                                     reply_size);
8176         } else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
8177                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
8178         } else if (os_strncmp(buf, "SET ", 4) == 0) {
8179                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
8180                         reply_len = -1;
8181         } else if (os_strncmp(buf, "DUMP", 4) == 0) {
8182                 reply_len = wpa_config_dump_values(wpa_s->conf,
8183                                                    reply, reply_size);
8184         } else if (os_strncmp(buf, "GET ", 4) == 0) {
8185                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
8186                                                           reply, reply_size);
8187         } else if (os_strcmp(buf, "LOGON") == 0) {
8188                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
8189         } else if (os_strcmp(buf, "LOGOFF") == 0) {
8190                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
8191         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
8192                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8193                         reply_len = -1;
8194                 else
8195                         wpas_request_connection(wpa_s);
8196         } else if (os_strcmp(buf, "REATTACH") == 0) {
8197                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
8198                     !wpa_s->current_ssid)
8199                         reply_len = -1;
8200                 else {
8201                         wpa_s->reattach = 1;
8202                         wpas_request_connection(wpa_s);
8203                 }
8204         } else if (os_strcmp(buf, "RECONNECT") == 0) {
8205                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8206                         reply_len = -1;
8207                 else if (wpa_s->disconnected)
8208                         wpas_request_connection(wpa_s);
8209 #ifdef IEEE8021X_EAPOL
8210         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
8211                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
8212                         reply_len = -1;
8213 #endif /* IEEE8021X_EAPOL */
8214 #ifdef CONFIG_PEERKEY
8215         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
8216                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
8217                         reply_len = -1;
8218 #endif /* CONFIG_PEERKEY */
8219 #ifdef CONFIG_IEEE80211R
8220         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
8221                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
8222                         reply_len = -1;
8223 #endif /* CONFIG_IEEE80211R */
8224 #ifdef CONFIG_WPS
8225         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
8226                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
8227                 if (res == -2) {
8228                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8229                         reply_len = 17;
8230                 } else if (res)
8231                         reply_len = -1;
8232         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
8233                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
8234                 if (res == -2) {
8235                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8236                         reply_len = 17;
8237                 } else if (res)
8238                         reply_len = -1;
8239         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
8240                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
8241                                                               reply,
8242                                                               reply_size);
8243         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
8244                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
8245                         wpa_s, buf + 14, reply, reply_size);
8246         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
8247                 if (wpas_wps_cancel(wpa_s))
8248                         reply_len = -1;
8249 #ifdef CONFIG_WPS_NFC
8250         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
8251                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
8252                         reply_len = -1;
8253         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
8254                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
8255                         reply_len = -1;
8256         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
8257                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
8258                         wpa_s, buf + 21, reply, reply_size);
8259         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
8260                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
8261                         wpa_s, buf + 14, reply, reply_size);
8262         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
8263                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
8264                                                                buf + 17))
8265                         reply_len = -1;
8266         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
8267                 reply_len = wpas_ctrl_nfc_get_handover_req(
8268                         wpa_s, buf + 21, reply, reply_size);
8269         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
8270                 reply_len = wpas_ctrl_nfc_get_handover_sel(
8271                         wpa_s, buf + 21, reply, reply_size);
8272         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
8273                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
8274                         reply_len = -1;
8275 #endif /* CONFIG_WPS_NFC */
8276         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
8277                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
8278                         reply_len = -1;
8279 #ifdef CONFIG_AP
8280         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
8281                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
8282                         wpa_s, buf + 11, reply, reply_size);
8283 #endif /* CONFIG_AP */
8284 #ifdef CONFIG_WPS_ER
8285         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
8286                 if (wpas_wps_er_start(wpa_s, NULL))
8287                         reply_len = -1;
8288         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
8289                 if (wpas_wps_er_start(wpa_s, buf + 13))
8290                         reply_len = -1;
8291         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
8292                 wpas_wps_er_stop(wpa_s);
8293         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
8294                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
8295                         reply_len = -1;
8296         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
8297                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
8298                 if (ret == -2) {
8299                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8300                         reply_len = 17;
8301                 } else if (ret == -3) {
8302                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
8303                         reply_len = 18;
8304                 } else if (ret == -4) {
8305                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
8306                         reply_len = 20;
8307                 } else if (ret)
8308                         reply_len = -1;
8309         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
8310                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
8311                         reply_len = -1;
8312         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
8313                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
8314                                                                 buf + 18))
8315                         reply_len = -1;
8316         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
8317                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
8318                         reply_len = -1;
8319 #ifdef CONFIG_WPS_NFC
8320         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
8321                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
8322                         wpa_s, buf + 24, reply, reply_size);
8323 #endif /* CONFIG_WPS_NFC */
8324 #endif /* CONFIG_WPS_ER */
8325 #endif /* CONFIG_WPS */
8326 #ifdef CONFIG_IBSS_RSN
8327         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
8328                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
8329                         reply_len = -1;
8330 #endif /* CONFIG_IBSS_RSN */
8331 #ifdef CONFIG_MESH
8332         } else if (os_strncmp(buf, "MESH_INTERFACE_ADD ", 19) == 0) {
8333                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8334                         wpa_s, buf + 19, reply, reply_size);
8335         } else if (os_strcmp(buf, "MESH_INTERFACE_ADD") == 0) {
8336                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8337                         wpa_s, "", reply, reply_size);
8338         } else if (os_strncmp(buf, "MESH_GROUP_ADD ", 15) == 0) {
8339                 if (wpa_supplicant_ctrl_iface_mesh_group_add(wpa_s, buf + 15))
8340                         reply_len = -1;
8341         } else if (os_strncmp(buf, "MESH_GROUP_REMOVE ", 18) == 0) {
8342                 if (wpa_supplicant_ctrl_iface_mesh_group_remove(wpa_s,
8343                                                                 buf + 18))
8344                         reply_len = -1;
8345 #endif /* CONFIG_MESH */
8346 #ifdef CONFIG_P2P
8347         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
8348                 if (p2p_ctrl_find(wpa_s, buf + 8))
8349                         reply_len = -1;
8350         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
8351                 if (p2p_ctrl_find(wpa_s, ""))
8352                         reply_len = -1;
8353         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
8354                 wpas_p2p_stop_find(wpa_s);
8355         } else if (os_strncmp(buf, "P2P_ASP_PROVISION ", 18) == 0) {
8356                 if (p2p_ctrl_asp_provision(wpa_s, buf + 18))
8357                         reply_len = -1;
8358         } else if (os_strncmp(buf, "P2P_ASP_PROVISION_RESP ", 23) == 0) {
8359                 if (p2p_ctrl_asp_provision_resp(wpa_s, buf + 23))
8360                         reply_len = -1;
8361         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
8362                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
8363                                              reply_size);
8364         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
8365                 if (p2p_ctrl_listen(wpa_s, buf + 11))
8366                         reply_len = -1;
8367         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
8368                 if (p2p_ctrl_listen(wpa_s, ""))
8369                         reply_len = -1;
8370         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
8371                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
8372                         reply_len = -1;
8373         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
8374                 if (p2p_ctrl_group_add(wpa_s, ""))
8375                         reply_len = -1;
8376         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
8377                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
8378                         reply_len = -1;
8379         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
8380                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
8381                         reply_len = -1;
8382         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
8383                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
8384         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
8385                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
8386                                                    reply_size);
8387         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
8388                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
8389                         reply_len = -1;
8390         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
8391                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
8392                         reply_len = -1;
8393         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
8394                 wpas_p2p_sd_service_update(wpa_s);
8395         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
8396                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
8397                         reply_len = -1;
8398         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
8399                 wpas_p2p_service_flush(wpa_s);
8400         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
8401                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
8402                         reply_len = -1;
8403         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
8404                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
8405                         reply_len = -1;
8406         } else if (os_strncmp(buf, "P2P_SERVICE_REP ", 16) == 0) {
8407                 if (p2p_ctrl_service_replace(wpa_s, buf + 16) < 0)
8408                         reply_len = -1;
8409         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
8410                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
8411                         reply_len = -1;
8412         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
8413                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
8414                         reply_len = -1;
8415         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
8416                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
8417                                               reply_size);
8418         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
8419                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
8420                         reply_len = -1;
8421         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
8422                 p2p_ctrl_flush(wpa_s);
8423         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
8424                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
8425                         reply_len = -1;
8426         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
8427                 if (wpas_p2p_cancel(wpa_s))
8428                         reply_len = -1;
8429         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
8430                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
8431                         reply_len = -1;
8432         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
8433                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
8434                         reply_len = -1;
8435         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
8436                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
8437                         reply_len = -1;
8438         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
8439                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
8440                         reply_len = -1;
8441         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
8442                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
8443                         reply_len = -1;
8444 #endif /* CONFIG_P2P */
8445 #ifdef CONFIG_WIFI_DISPLAY
8446         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
8447                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
8448                         reply_len = -1;
8449         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
8450                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
8451                                                      reply, reply_size);
8452 #endif /* CONFIG_WIFI_DISPLAY */
8453 #ifdef CONFIG_INTERWORKING
8454         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
8455                 if (interworking_fetch_anqp(wpa_s) < 0)
8456                         reply_len = -1;
8457         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
8458                 interworking_stop_fetch_anqp(wpa_s);
8459         } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
8460                 if (ctrl_interworking_select(wpa_s, NULL) < 0)
8461                         reply_len = -1;
8462         } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
8463                 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
8464                         reply_len = -1;
8465         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
8466                 if (ctrl_interworking_connect(wpa_s, buf + 21, 0) < 0)
8467                         reply_len = -1;
8468         } else if (os_strncmp(buf, "INTERWORKING_ADD_NETWORK ", 25) == 0) {
8469                 int id;
8470
8471                 id = ctrl_interworking_connect(wpa_s, buf + 25, 1);
8472                 if (id < 0)
8473                         reply_len = -1;
8474                 else {
8475                         reply_len = os_snprintf(reply, reply_size, "%d\n", id);
8476                         if (os_snprintf_error(reply_size, reply_len))
8477                                 reply_len = -1;
8478                 }
8479         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
8480                 if (get_anqp(wpa_s, buf + 9) < 0)
8481                         reply_len = -1;
8482         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
8483                 if (gas_request(wpa_s, buf + 12) < 0)
8484                         reply_len = -1;
8485         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
8486                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
8487                                              reply_size);
8488 #endif /* CONFIG_INTERWORKING */
8489 #ifdef CONFIG_HS20
8490         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
8491                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
8492                         reply_len = -1;
8493         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
8494                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
8495                         reply_len = -1;
8496         } else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
8497                 if (hs20_icon_request(wpa_s, buf + 18) < 0)
8498                         reply_len = -1;
8499         } else if (os_strcmp(buf, "FETCH_OSU") == 0) {
8500                 if (hs20_fetch_osu(wpa_s) < 0)
8501                         reply_len = -1;
8502         } else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
8503                 hs20_cancel_fetch_osu(wpa_s);
8504 #endif /* CONFIG_HS20 */
8505         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
8506         {
8507                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
8508                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
8509                         reply_len = -1;
8510                 else {
8511                         /*
8512                          * Notify response from timeout to allow the control
8513                          * interface response to be sent first.
8514                          */
8515                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
8516                                                wpa_s, NULL);
8517                 }
8518         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
8519                 if (wpa_supplicant_reload_configuration(wpa_s))
8520                         reply_len = -1;
8521         } else if (os_strcmp(buf, "TERMINATE") == 0) {
8522                 wpa_supplicant_terminate_proc(wpa_s->global);
8523         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
8524                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
8525                         reply_len = -1;
8526         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
8527                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
8528                         wpa_s, buf + 9, reply, reply_size);
8529         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
8530                 reply_len = wpa_supplicant_ctrl_iface_log_level(
8531                         wpa_s, buf + 9, reply, reply_size);
8532         } else if (os_strncmp(buf, "LIST_NETWORKS ", 14) == 0) {
8533                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8534                         wpa_s, buf + 14, reply, reply_size);
8535         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
8536                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8537                         wpa_s, NULL, reply, reply_size);
8538         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
8539 #ifdef CONFIG_SME
8540                 wpa_s->sme.prev_bssid_set = 0;
8541 #endif /* CONFIG_SME */
8542                 wpa_s->reassociate = 0;
8543                 wpa_s->disconnected = 1;
8544                 wpa_supplicant_cancel_sched_scan(wpa_s);
8545                 wpa_supplicant_cancel_scan(wpa_s);
8546                 wpa_supplicant_deauthenticate(wpa_s,
8547                                               WLAN_REASON_DEAUTH_LEAVING);
8548                 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
8549         } else if (os_strcmp(buf, "SCAN") == 0) {
8550                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
8551         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
8552                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
8553         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
8554                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
8555                         wpa_s, reply, reply_size);
8556         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
8557                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
8558                         reply_len = -1;
8559         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
8560                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
8561                         reply_len = -1;
8562         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
8563                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
8564                         reply_len = -1;
8565         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
8566                 reply_len = wpa_supplicant_ctrl_iface_add_network(
8567                         wpa_s, reply, reply_size);
8568         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
8569                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
8570                         reply_len = -1;
8571         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8572                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
8573                         reply_len = -1;
8574         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
8575                 reply_len = wpa_supplicant_ctrl_iface_get_network(
8576                         wpa_s, buf + 12, reply, reply_size);
8577         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
8578                 if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12,
8579                                                           wpa_s))
8580                         reply_len = -1;
8581         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
8582                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
8583                         wpa_s, reply, reply_size);
8584         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
8585                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
8586                         wpa_s, reply, reply_size);
8587         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
8588                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
8589                         reply_len = -1;
8590         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
8591                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
8592                         reply_len = -1;
8593         } else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
8594                 reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
8595                                                                reply,
8596                                                                reply_size);
8597 #ifndef CONFIG_NO_CONFIG_WRITE
8598         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
8599                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
8600                         reply_len = -1;
8601 #endif /* CONFIG_NO_CONFIG_WRITE */
8602         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
8603                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
8604                         wpa_s, buf + 15, reply, reply_size);
8605         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
8606                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
8607                         reply_len = -1;
8608         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
8609                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
8610                         reply_len = -1;
8611         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
8612                 reply_len = wpa_supplicant_global_iface_list(
8613                         wpa_s->global, reply, reply_size);
8614         } else if (os_strcmp(buf, "INTERFACES") == 0) {
8615                 reply_len = wpa_supplicant_global_iface_interfaces(
8616                         wpa_s->global, reply, reply_size);
8617         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
8618                 reply_len = wpa_supplicant_ctrl_iface_bss(
8619                         wpa_s, buf + 4, reply, reply_size);
8620 #ifdef CONFIG_AP
8621         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
8622                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
8623         } else if (os_strncmp(buf, "STA ", 4) == 0) {
8624                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
8625                                               reply_size);
8626         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
8627                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
8628                                                    reply_size);
8629         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
8630                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
8631                         reply_len = -1;
8632         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
8633                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
8634                         reply_len = -1;
8635         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
8636                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
8637                         reply_len = -1;
8638         } else if (os_strcmp(buf, "STOP_AP") == 0) {
8639                 if (wpas_ap_stop_ap(wpa_s))
8640                         reply_len = -1;
8641 #endif /* CONFIG_AP */
8642         } else if (os_strcmp(buf, "SUSPEND") == 0) {
8643                 wpas_notify_suspend(wpa_s->global);
8644         } else if (os_strcmp(buf, "RESUME") == 0) {
8645                 wpas_notify_resume(wpa_s->global);
8646 #ifdef CONFIG_TESTING_OPTIONS
8647         } else if (os_strcmp(buf, "DROP_SA") == 0) {
8648                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
8649 #endif /* CONFIG_TESTING_OPTIONS */
8650         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
8651                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
8652                         reply_len = -1;
8653         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
8654                 wpa_s->auto_reconnect_disabled = atoi(buf + 16) == 0;
8655         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
8656                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
8657                         reply_len = -1;
8658         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
8659                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
8660                                                                buf + 17))
8661                         reply_len = -1;
8662         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
8663                 wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10);
8664 #ifdef CONFIG_TDLS
8665         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
8666                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
8667                         reply_len = -1;
8668         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
8669                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
8670                         reply_len = -1;
8671         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
8672                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
8673                         reply_len = -1;
8674         } else if (os_strncmp(buf, "TDLS_CHAN_SWITCH ", 17) == 0) {
8675                 if (wpa_supplicant_ctrl_iface_tdls_chan_switch(wpa_s,
8676                                                                buf + 17))
8677                         reply_len = -1;
8678         } else if (os_strncmp(buf, "TDLS_CANCEL_CHAN_SWITCH ", 24) == 0) {
8679                 if (wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(wpa_s,
8680                                                                       buf + 24))
8681                         reply_len = -1;
8682         } else if (os_strncmp(buf, "TDLS_LINK_STATUS ", 17) == 0) {
8683                 reply_len = wpa_supplicant_ctrl_iface_tdls_link_status(
8684                         wpa_s, buf + 17, reply, reply_size);
8685 #endif /* CONFIG_TDLS */
8686         } else if (os_strcmp(buf, "WMM_AC_STATUS") == 0) {
8687                 reply_len = wpas_wmm_ac_status(wpa_s, reply, reply_size);
8688         } else if (os_strncmp(buf, "WMM_AC_ADDTS ", 13) == 0) {
8689                 if (wmm_ac_ctrl_addts(wpa_s, buf + 13))
8690                         reply_len = -1;
8691         } else if (os_strncmp(buf, "WMM_AC_DELTS ", 13) == 0) {
8692                 if (wmm_ac_ctrl_delts(wpa_s, buf + 13))
8693                         reply_len = -1;
8694         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
8695                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
8696                                                        reply_size);
8697         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
8698                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
8699                                                        reply_size);
8700 #ifdef CONFIG_AUTOSCAN
8701         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
8702                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
8703                         reply_len = -1;
8704 #endif /* CONFIG_AUTOSCAN */
8705 #ifdef ANDROID
8706         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
8707                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
8708                                                       reply_size);
8709 #endif /* ANDROID */
8710         } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
8711                 reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
8712                                                       reply_size);
8713         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
8714                 pmksa_cache_clear_current(wpa_s->wpa);
8715                 eapol_sm_request_reauth(wpa_s->eapol);
8716 #ifdef CONFIG_WNM
8717         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
8718                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
8719                         reply_len = -1;
8720         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 14) == 0) {
8721                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 14))
8722                                 reply_len = -1;
8723 #endif /* CONFIG_WNM */
8724         } else if (os_strcmp(buf, "FLUSH") == 0) {
8725                 wpa_supplicant_ctrl_iface_flush(wpa_s);
8726         } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
8727                 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
8728                                                  reply_size);
8729 #ifdef CONFIG_TESTING_OPTIONS
8730         } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
8731                 if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
8732                         reply_len = -1;
8733         } else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
8734                 wpas_ctrl_iface_mgmt_tx_done(wpa_s);
8735         } else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
8736                 if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
8737                         reply_len = -1;
8738         } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
8739                 if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
8740                         reply_len = -1;
8741         } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
8742                 if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
8743                         reply_len = -1;
8744         } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
8745                 if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
8746                         reply_len = -1;
8747         } else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
8748                 if (wpas_ctrl_iface_data_test_frame(wpa_s, buf + 16) < 0)
8749                         reply_len = -1;
8750         } else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) {
8751                 if (wpas_ctrl_test_alloc_fail(wpa_s, buf + 16) < 0)
8752                         reply_len = -1;
8753         } else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) {
8754                 reply_len = wpas_ctrl_get_alloc_fail(wpa_s, reply, reply_size);
8755         } else if (os_strncmp(buf, "TEST_FAIL ", 10) == 0) {
8756                 if (wpas_ctrl_test_fail(wpa_s, buf + 10) < 0)
8757                         reply_len = -1;
8758         } else if (os_strcmp(buf, "GET_FAIL") == 0) {
8759                 reply_len = wpas_ctrl_get_fail(wpa_s, reply, reply_size);
8760 #endif /* CONFIG_TESTING_OPTIONS */
8761         } else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
8762                 if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
8763                         reply_len = -1;
8764         } else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
8765                 reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
8766                                                       reply_size);
8767         } else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
8768                 if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
8769                         reply_len = -1;
8770         } else if (os_strncmp(buf, "NEIGHBOR_REP_REQUEST", 20) == 0) {
8771                 if (wpas_ctrl_iface_send_neigbor_rep(wpa_s, buf + 20))
8772                         reply_len = -1;
8773         } else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
8774                 wpas_ctrl_iface_erp_flush(wpa_s);
8775         } else if (os_strncmp(buf, "MAC_RAND_SCAN ", 14) == 0) {
8776                 if (wpas_ctrl_iface_mac_rand_scan(wpa_s, buf + 14))
8777                         reply_len = -1;
8778         } else if (os_strncmp(buf, "GET_PREF_FREQ_LIST ", 19) == 0) {
8779                 reply_len = wpas_ctrl_iface_get_pref_freq_list(
8780                         wpa_s, buf + 19, reply, reply_size);
8781         } else {
8782                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
8783                 reply_len = 16;
8784         }
8785
8786         if (reply_len < 0) {
8787                 os_memcpy(reply, "FAIL\n", 5);
8788                 reply_len = 5;
8789         }
8790
8791         *resp_len = reply_len;
8792         return reply;
8793 }
8794
8795
8796 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
8797                                            char *cmd)
8798 {
8799         struct wpa_interface iface;
8800         char *pos, *extra;
8801         struct wpa_supplicant *wpa_s;
8802         unsigned int create_iface = 0;
8803         u8 mac_addr[ETH_ALEN];
8804
8805         /*
8806          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
8807          * TAB<bridge_ifname>[TAB<create>]
8808          */
8809         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
8810
8811         os_memset(&iface, 0, sizeof(iface));
8812
8813         do {
8814                 iface.ifname = pos = cmd;
8815                 pos = os_strchr(pos, '\t');
8816                 if (pos)
8817                         *pos++ = '\0';
8818                 if (iface.ifname[0] == '\0')
8819                         return -1;
8820                 if (pos == NULL)
8821                         break;
8822
8823                 iface.confname = pos;
8824                 pos = os_strchr(pos, '\t');
8825                 if (pos)
8826                         *pos++ = '\0';
8827                 if (iface.confname[0] == '\0')
8828                         iface.confname = NULL;
8829                 if (pos == NULL)
8830                         break;
8831
8832                 iface.driver = pos;
8833                 pos = os_strchr(pos, '\t');
8834                 if (pos)
8835                         *pos++ = '\0';
8836                 if (iface.driver[0] == '\0')
8837                         iface.driver = NULL;
8838                 if (pos == NULL)
8839                         break;
8840
8841                 iface.ctrl_interface = pos;
8842                 pos = os_strchr(pos, '\t');
8843                 if (pos)
8844                         *pos++ = '\0';
8845                 if (iface.ctrl_interface[0] == '\0')
8846                         iface.ctrl_interface = NULL;
8847                 if (pos == NULL)
8848                         break;
8849
8850                 iface.driver_param = pos;
8851                 pos = os_strchr(pos, '\t');
8852                 if (pos)
8853                         *pos++ = '\0';
8854                 if (iface.driver_param[0] == '\0')
8855                         iface.driver_param = NULL;
8856                 if (pos == NULL)
8857                         break;
8858
8859                 iface.bridge_ifname = pos;
8860                 pos = os_strchr(pos, '\t');
8861                 if (pos)
8862                         *pos++ = '\0';
8863                 if (iface.bridge_ifname[0] == '\0')
8864                         iface.bridge_ifname = NULL;
8865                 if (pos == NULL)
8866                         break;
8867
8868                 extra = pos;
8869                 pos = os_strchr(pos, '\t');
8870                 if (pos)
8871                         *pos++ = '\0';
8872                 if (!extra[0])
8873                         break;
8874
8875                 if (os_strcmp(extra, "create") == 0)
8876                         create_iface = 1;
8877                 else {
8878                         wpa_printf(MSG_DEBUG,
8879                                    "INTERFACE_ADD unsupported extra parameter: '%s'",
8880                                    extra);
8881                         return -1;
8882                 }
8883         } while (0);
8884
8885         if (create_iface) {
8886                 wpa_printf(MSG_DEBUG, "CTRL_IFACE creating interface '%s'",
8887                            iface.ifname);
8888                 if (!global->ifaces)
8889                         return -1;
8890                 if (wpa_drv_if_add(global->ifaces, WPA_IF_STATION, iface.ifname,
8891                                    NULL, NULL, NULL, mac_addr, NULL) < 0) {
8892                         wpa_printf(MSG_ERROR,
8893                                    "CTRL_IFACE interface creation failed");
8894                         return -1;
8895                 }
8896
8897                 wpa_printf(MSG_DEBUG,
8898                            "CTRL_IFACE interface '%s' created with MAC addr: "
8899                            MACSTR, iface.ifname, MAC2STR(mac_addr));
8900         }
8901
8902         if (wpa_supplicant_get_iface(global, iface.ifname))
8903                 goto fail;
8904
8905         wpa_s = wpa_supplicant_add_iface(global, &iface, NULL);
8906         if (!wpa_s)
8907                 goto fail;
8908         wpa_s->added_vif = create_iface;
8909         return 0;
8910
8911 fail:
8912         if (create_iface)
8913                 wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, iface.ifname);
8914         return -1;
8915 }
8916
8917
8918 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
8919                                               char *cmd)
8920 {
8921         struct wpa_supplicant *wpa_s;
8922         int ret;
8923         unsigned int delete_iface;
8924
8925         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
8926
8927         wpa_s = wpa_supplicant_get_iface(global, cmd);
8928         if (wpa_s == NULL)
8929                 return -1;
8930         delete_iface = wpa_s->added_vif;
8931         ret = wpa_supplicant_remove_iface(global, wpa_s, 0);
8932         if (!ret && delete_iface) {
8933                 wpa_printf(MSG_DEBUG, "CTRL_IFACE deleting the interface '%s'",
8934                            cmd);
8935                 ret = wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, cmd);
8936         }
8937         return ret;
8938 }
8939
8940
8941 static void wpa_free_iface_info(struct wpa_interface_info *iface)
8942 {
8943         struct wpa_interface_info *prev;
8944
8945         while (iface) {
8946                 prev = iface;
8947                 iface = iface->next;
8948
8949                 os_free(prev->ifname);
8950                 os_free(prev->desc);
8951                 os_free(prev);
8952         }
8953 }
8954
8955
8956 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
8957                                             char *buf, int len)
8958 {
8959         int i, res;
8960         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
8961         char *pos, *end;
8962
8963         for (i = 0; wpa_drivers[i]; i++) {
8964                 const struct wpa_driver_ops *drv = wpa_drivers[i];
8965                 if (drv->get_interfaces == NULL)
8966                         continue;
8967                 tmp = drv->get_interfaces(global->drv_priv[i]);
8968                 if (tmp == NULL)
8969                         continue;
8970
8971                 if (last == NULL)
8972                         iface = last = tmp;
8973                 else
8974                         last->next = tmp;
8975                 while (last->next)
8976                         last = last->next;
8977         }
8978
8979         pos = buf;
8980         end = buf + len;
8981         for (tmp = iface; tmp; tmp = tmp->next) {
8982                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
8983                                   tmp->drv_name, tmp->ifname,
8984                                   tmp->desc ? tmp->desc : "");
8985                 if (os_snprintf_error(end - pos, res)) {
8986                         *pos = '\0';
8987                         break;
8988                 }
8989                 pos += res;
8990         }
8991
8992         wpa_free_iface_info(iface);
8993
8994         return pos - buf;
8995 }
8996
8997
8998 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
8999                                                   char *buf, int len)
9000 {
9001         int res;
9002         char *pos, *end;
9003         struct wpa_supplicant *wpa_s;
9004
9005         wpa_s = global->ifaces;
9006         pos = buf;
9007         end = buf + len;
9008
9009         while (wpa_s) {
9010                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
9011                 if (os_snprintf_error(end - pos, res)) {
9012                         *pos = '\0';
9013                         break;
9014                 }
9015                 pos += res;
9016                 wpa_s = wpa_s->next;
9017         }
9018         return pos - buf;
9019 }
9020
9021
9022 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
9023                                             const char *ifname,
9024                                             char *cmd, size_t *resp_len)
9025 {
9026         struct wpa_supplicant *wpa_s;
9027
9028         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9029                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
9030                         break;
9031         }
9032
9033         if (wpa_s == NULL) {
9034                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
9035                 if (resp)
9036                         *resp_len = os_strlen(resp);
9037                 else
9038                         *resp_len = 1;
9039                 return resp;
9040         }
9041
9042         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
9043 }
9044
9045
9046 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
9047                                                char *buf, size_t *resp_len)
9048 {
9049 #ifdef CONFIG_P2P
9050         static const char * cmd[] = {
9051                 "LIST_NETWORKS",
9052                 "P2P_FIND",
9053                 "P2P_STOP_FIND",
9054                 "P2P_LISTEN",
9055                 "P2P_GROUP_ADD",
9056                 "P2P_GET_PASSPHRASE",
9057                 "P2P_SERVICE_UPDATE",
9058                 "P2P_SERVICE_FLUSH",
9059                 "P2P_FLUSH",
9060                 "P2P_CANCEL",
9061                 "P2P_PRESENCE_REQ",
9062                 "P2P_EXT_LISTEN",
9063                 NULL
9064         };
9065         static const char * prefix[] = {
9066 #ifdef ANDROID
9067                 "DRIVER ",
9068 #endif /* ANDROID */
9069                 "GET_NETWORK ",
9070                 "REMOVE_NETWORK ",
9071                 "P2P_FIND ",
9072                 "P2P_CONNECT ",
9073                 "P2P_LISTEN ",
9074                 "P2P_GROUP_REMOVE ",
9075                 "P2P_GROUP_ADD ",
9076                 "P2P_PROV_DISC ",
9077                 "P2P_SERV_DISC_REQ ",
9078                 "P2P_SERV_DISC_CANCEL_REQ ",
9079                 "P2P_SERV_DISC_RESP ",
9080                 "P2P_SERV_DISC_EXTERNAL ",
9081                 "P2P_SERVICE_ADD ",
9082                 "P2P_SERVICE_DEL ",
9083                 "P2P_SERVICE_REP ",
9084                 "P2P_REJECT ",
9085                 "P2P_INVITE ",
9086                 "P2P_PEER ",
9087                 "P2P_SET ",
9088                 "P2P_UNAUTHORIZE ",
9089                 "P2P_PRESENCE_REQ ",
9090                 "P2P_EXT_LISTEN ",
9091                 "P2P_REMOVE_CLIENT ",
9092                 "WPS_NFC_TOKEN ",
9093                 "WPS_NFC_TAG_READ ",
9094                 "NFC_GET_HANDOVER_SEL ",
9095                 "NFC_GET_HANDOVER_REQ ",
9096                 "NFC_REPORT_HANDOVER ",
9097                 "P2P_ASP_PROVISION ",
9098                 "P2P_ASP_PROVISION_RESP ",
9099                 NULL
9100         };
9101         int found = 0;
9102         int i;
9103
9104         if (global->p2p_init_wpa_s == NULL)
9105                 return NULL;
9106
9107         for (i = 0; !found && cmd[i]; i++) {
9108                 if (os_strcmp(buf, cmd[i]) == 0)
9109                         found = 1;
9110         }
9111
9112         for (i = 0; !found && prefix[i]; i++) {
9113                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
9114                         found = 1;
9115         }
9116
9117         if (found)
9118                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
9119                                                          buf, resp_len);
9120 #endif /* CONFIG_P2P */
9121         return NULL;
9122 }
9123
9124
9125 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
9126                                                char *buf, size_t *resp_len)
9127 {
9128 #ifdef CONFIG_WIFI_DISPLAY
9129         if (global->p2p_init_wpa_s == NULL)
9130                 return NULL;
9131         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
9132             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
9133                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
9134                                                          buf, resp_len);
9135 #endif /* CONFIG_WIFI_DISPLAY */
9136         return NULL;
9137 }
9138
9139
9140 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
9141                                            char *buf, size_t *resp_len)
9142 {
9143         char *ret;
9144
9145         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
9146         if (ret)
9147                 return ret;
9148
9149         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
9150         if (ret)
9151                 return ret;
9152
9153         return NULL;
9154 }
9155
9156
9157 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
9158 {
9159         char *value;
9160
9161         value = os_strchr(cmd, ' ');
9162         if (value == NULL)
9163                 return -1;
9164         *value++ = '\0';
9165
9166         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
9167
9168 #ifdef CONFIG_WIFI_DISPLAY
9169         if (os_strcasecmp(cmd, "wifi_display") == 0) {
9170                 wifi_display_enable(global, !!atoi(value));
9171                 return 0;
9172         }
9173 #endif /* CONFIG_WIFI_DISPLAY */
9174
9175         /* Restore cmd to its original value to allow redirection */
9176         value[-1] = ' ';
9177
9178         return -1;
9179 }
9180
9181
9182 static int wpas_global_ctrl_iface_dup_network(struct wpa_global *global,
9183                                               char *cmd)
9184 {
9185         struct wpa_supplicant *wpa_s[2]; /* src, dst */
9186         char *p;
9187         unsigned int i;
9188
9189         /* cmd: "<src ifname> <dst ifname> <src network id> <dst network id>
9190          * <variable name> */
9191
9192         for (i = 0; i < ARRAY_SIZE(wpa_s) ; i++) {
9193                 p = os_strchr(cmd, ' ');
9194                 if (p == NULL)
9195                         return -1;
9196                 *p = '\0';
9197
9198                 wpa_s[i] = global->ifaces;
9199                 for (; wpa_s[i]; wpa_s[i] = wpa_s[i]->next) {
9200                         if (os_strcmp(cmd, wpa_s[i]->ifname) == 0)
9201                                 break;
9202                 }
9203
9204                 if (!wpa_s[i]) {
9205                         wpa_printf(MSG_DEBUG,
9206                                    "CTRL_IFACE: Could not find iface=%s", cmd);
9207                         return -1;
9208                 }
9209
9210                 cmd = p + 1;
9211         }
9212
9213         return wpa_supplicant_ctrl_iface_dup_network(wpa_s[0], cmd, wpa_s[1]);
9214 }
9215
9216
9217 #ifndef CONFIG_NO_CONFIG_WRITE
9218 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
9219 {
9220         int ret = 0, saved = 0;
9221         struct wpa_supplicant *wpa_s;
9222
9223         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9224                 if (!wpa_s->conf->update_config) {
9225                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
9226                         continue;
9227                 }
9228
9229                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
9230                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
9231                         ret = 1;
9232                 } else {
9233                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
9234                         saved++;
9235                 }
9236         }
9237
9238         if (!saved && !ret) {
9239                 wpa_dbg(wpa_s, MSG_DEBUG,
9240                         "CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
9241                 ret = 1;
9242         }
9243
9244         return ret;
9245 }
9246 #endif /* CONFIG_NO_CONFIG_WRITE */
9247
9248
9249 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
9250                                          char *buf, size_t buflen)
9251 {
9252         char *pos, *end;
9253         int ret;
9254         struct wpa_supplicant *wpa_s;
9255
9256         pos = buf;
9257         end = buf + buflen;
9258
9259 #ifdef CONFIG_P2P
9260         if (global->p2p && !global->p2p_disabled) {
9261                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
9262                                   "\n"
9263                                   "p2p_state=%s\n",
9264                                   MAC2STR(global->p2p_dev_addr),
9265                                   p2p_get_state_txt(global->p2p));
9266                 if (os_snprintf_error(end - pos, ret))
9267                         return pos - buf;
9268                 pos += ret;
9269         } else if (global->p2p) {
9270                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
9271                 if (os_snprintf_error(end - pos, ret))
9272                         return pos - buf;
9273                 pos += ret;
9274         }
9275 #endif /* CONFIG_P2P */
9276
9277 #ifdef CONFIG_WIFI_DISPLAY
9278         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
9279                           !!global->wifi_display);
9280         if (os_snprintf_error(end - pos, ret))
9281                 return pos - buf;
9282         pos += ret;
9283 #endif /* CONFIG_WIFI_DISPLAY */
9284
9285         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9286                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
9287                                   "address=" MACSTR "\n",
9288                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
9289                 if (os_snprintf_error(end - pos, ret))
9290                         return pos - buf;
9291                 pos += ret;
9292         }
9293
9294         return pos - buf;
9295 }
9296
9297
9298 #ifdef CONFIG_FST
9299
9300 static int wpas_global_ctrl_iface_fst_attach(struct wpa_global *global,
9301                                              char *cmd, char *buf,
9302                                              size_t reply_size)
9303 {
9304         char ifname[IFNAMSIZ + 1];
9305         struct fst_iface_cfg cfg;
9306         struct wpa_supplicant *wpa_s;
9307         struct fst_wpa_obj iface_obj;
9308
9309         if (!fst_parse_attach_command(cmd, ifname, sizeof(ifname), &cfg)) {
9310                 wpa_s = wpa_supplicant_get_iface(global, ifname);
9311                 if (wpa_s) {
9312                         if (wpa_s->fst) {
9313                                 wpa_printf(MSG_INFO, "FST: Already attached");
9314                                 return -1;
9315                         }
9316                         fst_wpa_supplicant_fill_iface_obj(wpa_s, &iface_obj);
9317                         wpa_s->fst = fst_attach(ifname, wpa_s->own_addr,
9318                                                 &iface_obj, &cfg);
9319                         if (wpa_s->fst)
9320                                 return os_snprintf(buf, reply_size, "OK\n");
9321                 }
9322         }
9323
9324         return -1;
9325 }
9326
9327
9328 static int wpas_global_ctrl_iface_fst_detach(struct wpa_global *global,
9329                                              char *cmd, char *buf,
9330                                              size_t reply_size)
9331 {
9332         char ifname[IFNAMSIZ + 1];
9333         struct wpa_supplicant *wpa_s;
9334
9335         if (!fst_parse_detach_command(cmd, ifname, sizeof(ifname))) {
9336                 wpa_s = wpa_supplicant_get_iface(global, ifname);
9337                 if (wpa_s) {
9338                         if (!fst_iface_detach(ifname)) {
9339                                 wpa_s->fst = NULL;
9340                                 return os_snprintf(buf, reply_size, "OK\n");
9341                         }
9342                 }
9343         }
9344
9345         return -1;
9346 }
9347
9348 #endif /* CONFIG_FST */
9349
9350
9351 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
9352                                                 char *buf, size_t *resp_len)
9353 {
9354         char *reply;
9355         const int reply_size = 2048;
9356         int reply_len;
9357         int level = MSG_DEBUG;
9358
9359         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
9360                 char *pos = os_strchr(buf + 7, ' ');
9361                 if (pos) {
9362                         *pos++ = '\0';
9363                         return wpas_global_ctrl_iface_ifname(global,
9364                                                              buf + 7, pos,
9365                                                              resp_len);
9366                 }
9367         }
9368
9369         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
9370         if (reply)
9371                 return reply;
9372
9373         if (os_strcmp(buf, "PING") == 0)
9374                 level = MSG_EXCESSIVE;
9375         wpa_hexdump_ascii(level, "RX global ctrl_iface",
9376                           (const u8 *) buf, os_strlen(buf));
9377
9378         reply = os_malloc(reply_size);
9379         if (reply == NULL) {
9380                 *resp_len = 1;
9381                 return NULL;
9382         }
9383
9384         os_memcpy(reply, "OK\n", 3);
9385         reply_len = 3;
9386
9387         if (os_strcmp(buf, "PING") == 0) {
9388                 os_memcpy(reply, "PONG\n", 5);
9389                 reply_len = 5;
9390         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
9391                 if (wpa_supplicant_global_iface_add(global, buf + 14))
9392                         reply_len = -1;
9393         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
9394                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
9395                         reply_len = -1;
9396         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
9397                 reply_len = wpa_supplicant_global_iface_list(
9398                         global, reply, reply_size);
9399         } else if (os_strcmp(buf, "INTERFACES") == 0) {
9400                 reply_len = wpa_supplicant_global_iface_interfaces(
9401                         global, reply, reply_size);
9402 #ifdef CONFIG_FST
9403         } else if (os_strncmp(buf, "FST-ATTACH ", 11) == 0) {
9404                 reply_len = wpas_global_ctrl_iface_fst_attach(global, buf + 11,
9405                                                               reply,
9406                                                               reply_size);
9407         } else if (os_strncmp(buf, "FST-DETACH ", 11) == 0) {
9408                 reply_len = wpas_global_ctrl_iface_fst_detach(global, buf + 11,
9409                                                               reply,
9410                                                               reply_size);
9411         } else if (os_strncmp(buf, "FST-MANAGER ", 12) == 0) {
9412                 reply_len = fst_ctrl_iface_receive(buf + 12, reply, reply_size);
9413 #endif /* CONFIG_FST */
9414         } else if (os_strcmp(buf, "TERMINATE") == 0) {
9415                 wpa_supplicant_terminate_proc(global);
9416         } else if (os_strcmp(buf, "SUSPEND") == 0) {
9417                 wpas_notify_suspend(global);
9418         } else if (os_strcmp(buf, "RESUME") == 0) {
9419                 wpas_notify_resume(global);
9420         } else if (os_strncmp(buf, "SET ", 4) == 0) {
9421                 if (wpas_global_ctrl_iface_set(global, buf + 4)) {
9422 #ifdef CONFIG_P2P
9423                         if (global->p2p_init_wpa_s) {
9424                                 os_free(reply);
9425                                 /* Check if P2P redirection would work for this
9426                                  * command. */
9427                                 return wpa_supplicant_ctrl_iface_process(
9428                                         global->p2p_init_wpa_s,
9429                                         buf, resp_len);
9430                         }
9431 #endif /* CONFIG_P2P */
9432                         reply_len = -1;
9433                 }
9434         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
9435                 if (wpas_global_ctrl_iface_dup_network(global, buf + 12))
9436                         reply_len = -1;
9437 #ifndef CONFIG_NO_CONFIG_WRITE
9438         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
9439                 if (wpas_global_ctrl_iface_save_config(global))
9440                         reply_len = -1;
9441 #endif /* CONFIG_NO_CONFIG_WRITE */
9442         } else if (os_strcmp(buf, "STATUS") == 0) {
9443                 reply_len = wpas_global_ctrl_iface_status(global, reply,
9444                                                           reply_size);
9445 #ifdef CONFIG_MODULE_TESTS
9446         } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
9447                 int wpas_module_tests(void);
9448                 if (wpas_module_tests() < 0)
9449                         reply_len = -1;
9450 #endif /* CONFIG_MODULE_TESTS */
9451         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
9452                 if (wpa_debug_reopen_file() < 0)
9453                         reply_len = -1;
9454         } else {
9455                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
9456                 reply_len = 16;
9457         }
9458
9459         if (reply_len < 0) {
9460                 os_memcpy(reply, "FAIL\n", 5);
9461                 reply_len = 5;
9462         }
9463
9464         *resp_len = reply_len;
9465         return reply;
9466 }