MBO: Add support to ignore association disallowed set by AP
[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 "utils/module_tests.h"
19 #include "common/version.h"
20 #include "common/ieee802_11_defs.h"
21 #include "common/ieee802_11_common.h"
22 #include "common/wpa_ctrl.h"
23 #include "crypto/tls.h"
24 #include "ap/hostapd.h"
25 #include "eap_peer/eap.h"
26 #include "eapol_supp/eapol_supp_sm.h"
27 #include "rsn_supp/wpa.h"
28 #include "rsn_supp/preauth.h"
29 #include "rsn_supp/pmksa_cache.h"
30 #include "l2_packet/l2_packet.h"
31 #include "wps/wps.h"
32 #include "fst/fst.h"
33 #include "fst/fst_ctrl_iface.h"
34 #include "config.h"
35 #include "wpa_supplicant_i.h"
36 #include "driver_i.h"
37 #include "wps_supplicant.h"
38 #include "ibss_rsn.h"
39 #include "ap.h"
40 #include "p2p_supplicant.h"
41 #include "p2p/p2p.h"
42 #include "hs20_supplicant.h"
43 #include "wifi_display.h"
44 #include "notify.h"
45 #include "bss.h"
46 #include "scan.h"
47 #include "ctrl_iface.h"
48 #include "interworking.h"
49 #include "blacklist.h"
50 #include "autoscan.h"
51 #include "wnm_sta.h"
52 #include "offchannel.h"
53 #include "drivers/driver.h"
54 #include "mesh.h"
55
56 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
57                                             char *buf, int len);
58 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
59                                                   const char *input,
60                                                   char *buf, int len);
61 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s,
62                                         char *val);
63
64 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
65 {
66         char *pos;
67         u8 addr[ETH_ALEN], *filter = NULL, *n;
68         size_t count = 0;
69
70         pos = val;
71         while (pos) {
72                 if (*pos == '\0')
73                         break;
74                 if (hwaddr_aton(pos, addr)) {
75                         os_free(filter);
76                         return -1;
77                 }
78                 n = os_realloc_array(filter, count + 1, ETH_ALEN);
79                 if (n == NULL) {
80                         os_free(filter);
81                         return -1;
82                 }
83                 filter = n;
84                 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
85                 count++;
86
87                 pos = os_strchr(pos, ' ');
88                 if (pos)
89                         pos++;
90         }
91
92         wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
93         os_free(wpa_s->bssid_filter);
94         wpa_s->bssid_filter = filter;
95         wpa_s->bssid_filter_count = count;
96
97         return 0;
98 }
99
100
101 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
102 {
103         char *pos;
104         u8 addr[ETH_ALEN], *bssid = NULL, *n;
105         struct wpa_ssid_value *ssid = NULL, *ns;
106         size_t count = 0, ssid_count = 0;
107         struct wpa_ssid *c;
108
109         /*
110          * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | ""
111          * SSID_SPEC ::= ssid <SSID_HEX>
112          * BSSID_SPEC ::= bssid <BSSID_HEX>
113          */
114
115         pos = val;
116         while (pos) {
117                 if (*pos == '\0')
118                         break;
119                 if (os_strncmp(pos, "bssid ", 6) == 0) {
120                         int res;
121                         pos += 6;
122                         res = hwaddr_aton2(pos, addr);
123                         if (res < 0) {
124                                 os_free(ssid);
125                                 os_free(bssid);
126                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
127                                            "BSSID value '%s'", pos);
128                                 return -1;
129                         }
130                         pos += res;
131                         n = os_realloc_array(bssid, count + 1, ETH_ALEN);
132                         if (n == NULL) {
133                                 os_free(ssid);
134                                 os_free(bssid);
135                                 return -1;
136                         }
137                         bssid = n;
138                         os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
139                         count++;
140                 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
141                         char *end;
142                         pos += 5;
143
144                         end = pos;
145                         while (*end) {
146                                 if (*end == '\0' || *end == ' ')
147                                         break;
148                                 end++;
149                         }
150
151                         ns = os_realloc_array(ssid, ssid_count + 1,
152                                               sizeof(struct wpa_ssid_value));
153                         if (ns == NULL) {
154                                 os_free(ssid);
155                                 os_free(bssid);
156                                 return -1;
157                         }
158                         ssid = ns;
159
160                         if ((end - pos) & 0x01 ||
161                             end - pos > 2 * SSID_MAX_LEN ||
162                             hexstr2bin(pos, ssid[ssid_count].ssid,
163                                        (end - pos) / 2) < 0) {
164                                 os_free(ssid);
165                                 os_free(bssid);
166                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
167                                            "SSID value '%s'", pos);
168                                 return -1;
169                         }
170                         ssid[ssid_count].ssid_len = (end - pos) / 2;
171                         wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
172                                           ssid[ssid_count].ssid,
173                                           ssid[ssid_count].ssid_len);
174                         ssid_count++;
175                         pos = end;
176                 } else {
177                         wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
178                                    "'%s'", pos);
179                         os_free(ssid);
180                         os_free(bssid);
181                         return -1;
182                 }
183
184                 pos = os_strchr(pos, ' ');
185                 if (pos)
186                         pos++;
187         }
188
189         wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
190         os_free(wpa_s->disallow_aps_bssid);
191         wpa_s->disallow_aps_bssid = bssid;
192         wpa_s->disallow_aps_bssid_count = count;
193
194         wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
195         os_free(wpa_s->disallow_aps_ssid);
196         wpa_s->disallow_aps_ssid = ssid;
197         wpa_s->disallow_aps_ssid_count = ssid_count;
198
199         if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
200                 return 0;
201
202         c = wpa_s->current_ssid;
203         if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
204                 return 0;
205
206         if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
207             !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
208                 return 0;
209
210         wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
211                    "because current AP was marked disallowed");
212
213 #ifdef CONFIG_SME
214         wpa_s->sme.prev_bssid_set = 0;
215 #endif /* CONFIG_SME */
216         wpa_s->reassociate = 1;
217         wpa_s->own_disconnect_req = 1;
218         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
219         wpa_supplicant_req_scan(wpa_s, 0, 0);
220
221         return 0;
222 }
223
224
225 #ifndef CONFIG_NO_CONFIG_BLOBS
226 static int wpas_ctrl_set_blob(struct wpa_supplicant *wpa_s, char *pos)
227 {
228         char *name = pos;
229         struct wpa_config_blob *blob;
230         size_t len;
231
232         pos = os_strchr(pos, ' ');
233         if (pos == NULL)
234                 return -1;
235         *pos++ = '\0';
236         len = os_strlen(pos);
237         if (len & 1)
238                 return -1;
239
240         wpa_printf(MSG_DEBUG, "CTRL: Set blob '%s'", name);
241         blob = os_zalloc(sizeof(*blob));
242         if (blob == NULL)
243                 return -1;
244         blob->name = os_strdup(name);
245         blob->data = os_malloc(len / 2);
246         if (blob->name == NULL || blob->data == NULL) {
247                 wpa_config_free_blob(blob);
248                 return -1;
249         }
250
251         if (hexstr2bin(pos, blob->data, len / 2) < 0) {
252                 wpa_printf(MSG_DEBUG, "CTRL: Invalid blob hex data");
253                 wpa_config_free_blob(blob);
254                 return -1;
255         }
256         blob->len = len / 2;
257
258         wpa_config_set_blob(wpa_s->conf, blob);
259
260         return 0;
261 }
262 #endif /* CONFIG_NO_CONFIG_BLOBS */
263
264
265 static int wpas_ctrl_pno(struct wpa_supplicant *wpa_s, char *cmd)
266 {
267         char *params;
268         char *pos;
269         int *freqs = NULL;
270         int ret;
271
272         if (atoi(cmd)) {
273                 params = os_strchr(cmd, ' ');
274                 os_free(wpa_s->manual_sched_scan_freqs);
275                 if (params) {
276                         params++;
277                         pos = os_strstr(params, "freq=");
278                         if (pos)
279                                 freqs = freq_range_to_channel_list(wpa_s,
280                                                                    pos + 5);
281                 }
282                 wpa_s->manual_sched_scan_freqs = freqs;
283                 ret = wpas_start_pno(wpa_s);
284         } else {
285                 ret = wpas_stop_pno(wpa_s);
286         }
287         return ret;
288 }
289
290
291 static int wpas_ctrl_set_band(struct wpa_supplicant *wpa_s, char *band)
292 {
293         union wpa_event_data event;
294
295         if (os_strcmp(band, "AUTO") == 0)
296                 wpa_s->setband = WPA_SETBAND_AUTO;
297         else if (os_strcmp(band, "5G") == 0)
298                 wpa_s->setband = WPA_SETBAND_5G;
299         else if (os_strcmp(band, "2G") == 0)
300                 wpa_s->setband = WPA_SETBAND_2G;
301         else
302                 return -1;
303
304         if (wpa_drv_setband(wpa_s, wpa_s->setband) == 0) {
305                 os_memset(&event, 0, sizeof(event));
306                 event.channel_list_changed.initiator = REGDOM_SET_BY_USER;
307                 event.channel_list_changed.type = REGDOM_TYPE_UNKNOWN;
308                 wpa_supplicant_event(wpa_s, EVENT_CHANNEL_LIST_CHANGED, &event);
309         }
310
311         return 0;
312 }
313
314
315 static int wpas_ctrl_iface_set_lci(struct wpa_supplicant *wpa_s,
316                                    const char *cmd)
317 {
318         struct wpabuf *lci;
319
320         if (*cmd == '\0' || os_strcmp(cmd, "\"\"") == 0) {
321                 wpabuf_free(wpa_s->lci);
322                 wpa_s->lci = NULL;
323                 return 0;
324         }
325
326         lci = wpabuf_parse_bin(cmd);
327         if (!lci)
328                 return -1;
329
330         if (os_get_reltime(&wpa_s->lci_time)) {
331                 wpabuf_free(lci);
332                 return -1;
333         }
334
335         wpabuf_free(wpa_s->lci);
336         wpa_s->lci = lci;
337
338         return 0;
339 }
340
341
342 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
343                                          char *cmd)
344 {
345         char *value;
346         int ret = 0;
347
348         value = os_strchr(cmd, ' ');
349         if (value == NULL)
350                 return -1;
351         *value++ = '\0';
352
353         wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
354         if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
355                 eapol_sm_configure(wpa_s->eapol,
356                                    atoi(value), -1, -1, -1);
357         } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
358                 eapol_sm_configure(wpa_s->eapol,
359                                    -1, atoi(value), -1, -1);
360         } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
361                 eapol_sm_configure(wpa_s->eapol,
362                                    -1, -1, atoi(value), -1);
363         } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
364                 eapol_sm_configure(wpa_s->eapol,
365                                    -1, -1, -1, atoi(value));
366         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
367                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
368                                      atoi(value)))
369                         ret = -1;
370         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
371                    0) {
372                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
373                                      atoi(value)))
374                         ret = -1;
375         } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
376                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
377                         ret = -1;
378         } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
379                 wpa_s->wps_fragment_size = atoi(value);
380 #ifdef CONFIG_WPS_TESTING
381         } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
382                 long int val;
383                 val = strtol(value, NULL, 0);
384                 if (val < 0 || val > 0xff) {
385                         ret = -1;
386                         wpa_printf(MSG_DEBUG, "WPS: Invalid "
387                                    "wps_version_number %ld", val);
388                 } else {
389                         wps_version_number = val;
390                         wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
391                                    "version %u.%u",
392                                    (wps_version_number & 0xf0) >> 4,
393                                    wps_version_number & 0x0f);
394                 }
395         } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
396                 wps_testing_dummy_cred = atoi(value);
397                 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
398                            wps_testing_dummy_cred);
399         } else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
400                 wps_corrupt_pkhash = atoi(value);
401                 wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
402                            wps_corrupt_pkhash);
403         } else if (os_strcasecmp(cmd, "wps_force_auth_types") == 0) {
404                 if (value[0] == '\0') {
405                         wps_force_auth_types_in_use = 0;
406                 } else {
407                         wps_force_auth_types = strtol(value, NULL, 0);
408                         wps_force_auth_types_in_use = 1;
409                 }
410         } else if (os_strcasecmp(cmd, "wps_force_encr_types") == 0) {
411                 if (value[0] == '\0') {
412                         wps_force_encr_types_in_use = 0;
413                 } else {
414                         wps_force_encr_types = strtol(value, NULL, 0);
415                         wps_force_encr_types_in_use = 1;
416                 }
417 #endif /* CONFIG_WPS_TESTING */
418         } else if (os_strcasecmp(cmd, "ampdu") == 0) {
419                 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
420                         ret = -1;
421 #ifdef CONFIG_TDLS
422 #ifdef CONFIG_TDLS_TESTING
423         } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
424                 tdls_testing = strtol(value, NULL, 0);
425                 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
426 #endif /* CONFIG_TDLS_TESTING */
427         } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
428                 int disabled = atoi(value);
429                 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
430                 if (disabled) {
431                         if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
432                                 ret = -1;
433                 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
434                         ret = -1;
435                 wpa_tdls_enable(wpa_s->wpa, !disabled);
436 #endif /* CONFIG_TDLS */
437         } else if (os_strcasecmp(cmd, "pno") == 0) {
438                 ret = wpas_ctrl_pno(wpa_s, value);
439         } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
440                 int disabled = atoi(value);
441                 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
442                         ret = -1;
443                 else if (disabled)
444                         wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
445         } else if (os_strcasecmp(cmd, "uapsd") == 0) {
446                 if (os_strcmp(value, "disable") == 0)
447                         wpa_s->set_sta_uapsd = 0;
448                 else {
449                         int be, bk, vi, vo;
450                         char *pos;
451                         /* format: BE,BK,VI,VO;max SP Length */
452                         be = atoi(value);
453                         pos = os_strchr(value, ',');
454                         if (pos == NULL)
455                                 return -1;
456                         pos++;
457                         bk = atoi(pos);
458                         pos = os_strchr(pos, ',');
459                         if (pos == NULL)
460                                 return -1;
461                         pos++;
462                         vi = atoi(pos);
463                         pos = os_strchr(pos, ',');
464                         if (pos == NULL)
465                                 return -1;
466                         pos++;
467                         vo = atoi(pos);
468                         /* ignore max SP Length for now */
469
470                         wpa_s->set_sta_uapsd = 1;
471                         wpa_s->sta_uapsd = 0;
472                         if (be)
473                                 wpa_s->sta_uapsd |= BIT(0);
474                         if (bk)
475                                 wpa_s->sta_uapsd |= BIT(1);
476                         if (vi)
477                                 wpa_s->sta_uapsd |= BIT(2);
478                         if (vo)
479                                 wpa_s->sta_uapsd |= BIT(3);
480                 }
481         } else if (os_strcasecmp(cmd, "ps") == 0) {
482                 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
483 #ifdef CONFIG_WIFI_DISPLAY
484         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
485                 int enabled = !!atoi(value);
486                 if (enabled && !wpa_s->global->p2p)
487                         ret = -1;
488                 else
489                         wifi_display_enable(wpa_s->global, enabled);
490 #endif /* CONFIG_WIFI_DISPLAY */
491         } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
492                 ret = set_bssid_filter(wpa_s, value);
493         } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
494                 ret = set_disallow_aps(wpa_s, value);
495         } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
496                 wpa_s->no_keep_alive = !!atoi(value);
497 #ifdef CONFIG_TESTING_OPTIONS
498         } else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) {
499                 wpa_s->ext_mgmt_frame_handling = !!atoi(value);
500         } else if (os_strcasecmp(cmd, "ext_eapol_frame_io") == 0) {
501                 wpa_s->ext_eapol_frame_io = !!atoi(value);
502 #ifdef CONFIG_AP
503                 if (wpa_s->ap_iface) {
504                         wpa_s->ap_iface->bss[0]->ext_eapol_frame_io =
505                                 wpa_s->ext_eapol_frame_io;
506                 }
507 #endif /* CONFIG_AP */
508         } else if (os_strcasecmp(cmd, "extra_roc_dur") == 0) {
509                 wpa_s->extra_roc_dur = atoi(value);
510         } else if (os_strcasecmp(cmd, "test_failure") == 0) {
511                 wpa_s->test_failure = atoi(value);
512         } else if (os_strcasecmp(cmd, "p2p_go_csa_on_inv") == 0) {
513                 wpa_s->p2p_go_csa_on_inv = !!atoi(value);
514         } else if (os_strcasecmp(cmd, "ignore_auth_resp") == 0) {
515                 wpa_s->ignore_auth_resp = !!atoi(value);
516         } else if (os_strcasecmp(cmd, "ignore_assoc_disallow") == 0) {
517                 wpa_s->ignore_assoc_disallow = !!atoi(value);
518 #endif /* CONFIG_TESTING_OPTIONS */
519 #ifndef CONFIG_NO_CONFIG_BLOBS
520         } else if (os_strcmp(cmd, "blob") == 0) {
521                 ret = wpas_ctrl_set_blob(wpa_s, value);
522 #endif /* CONFIG_NO_CONFIG_BLOBS */
523         } else if (os_strcasecmp(cmd, "setband") == 0) {
524                 ret = wpas_ctrl_set_band(wpa_s, value);
525 #ifdef CONFIG_MBO
526         } else if (os_strcasecmp(cmd, "non_pref_chan") == 0) {
527                 ret = wpas_mbo_update_non_pref_chan(wpa_s, value);
528         } else if (os_strcasecmp(cmd, "mbo_cell_capa") == 0) {
529                 wpas_mbo_update_cell_capa(wpa_s, atoi(value));
530 #endif /* CONFIG_MBO */
531         } else if (os_strcasecmp(cmd, "lci") == 0) {
532                 ret = wpas_ctrl_iface_set_lci(wpa_s, value);
533         } else {
534                 value[-1] = '=';
535                 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
536                 if (ret == 0)
537                         wpa_supplicant_update_config(wpa_s);
538         }
539
540         return ret;
541 }
542
543
544 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
545                                          char *cmd, char *buf, size_t buflen)
546 {
547         int res = -1;
548
549         wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
550
551         if (os_strcmp(cmd, "version") == 0) {
552                 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
553         } else if (os_strcasecmp(cmd, "country") == 0) {
554                 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
555                         res = os_snprintf(buf, buflen, "%c%c",
556                                           wpa_s->conf->country[0],
557                                           wpa_s->conf->country[1]);
558 #ifdef CONFIG_WIFI_DISPLAY
559         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
560                 int enabled;
561                 if (wpa_s->global->p2p == NULL ||
562                     wpa_s->global->p2p_disabled)
563                         enabled = 0;
564                 else
565                         enabled = wpa_s->global->wifi_display;
566                 res = os_snprintf(buf, buflen, "%d", enabled);
567 #endif /* CONFIG_WIFI_DISPLAY */
568 #ifdef CONFIG_TESTING_GET_GTK
569         } else if (os_strcmp(cmd, "gtk") == 0) {
570                 if (wpa_s->last_gtk_len == 0)
571                         return -1;
572                 res = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk,
573                                        wpa_s->last_gtk_len);
574                 return res;
575 #endif /* CONFIG_TESTING_GET_GTK */
576         } else if (os_strcmp(cmd, "tls_library") == 0) {
577                 res = tls_get_library_version(buf, buflen);
578         } else {
579                 res = wpa_config_get_value(cmd, wpa_s->conf, buf, buflen);
580         }
581
582         if (os_snprintf_error(buflen, res))
583                 return -1;
584         return res;
585 }
586
587
588 #ifdef IEEE8021X_EAPOL
589 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
590                                              char *addr)
591 {
592         u8 bssid[ETH_ALEN];
593         struct wpa_ssid *ssid = wpa_s->current_ssid;
594
595         if (hwaddr_aton(addr, bssid)) {
596                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
597                            "'%s'", addr);
598                 return -1;
599         }
600
601         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
602         rsn_preauth_deinit(wpa_s->wpa);
603         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
604                 return -1;
605
606         return 0;
607 }
608 #endif /* IEEE8021X_EAPOL */
609
610
611 #ifdef CONFIG_PEERKEY
612 /* MLME-STKSTART.request(peer) */
613 static int wpa_supplicant_ctrl_iface_stkstart(
614         struct wpa_supplicant *wpa_s, char *addr)
615 {
616         u8 peer[ETH_ALEN];
617
618         if (hwaddr_aton(addr, peer)) {
619                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
620                            "address '%s'", addr);
621                 return -1;
622         }
623
624         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
625                    MAC2STR(peer));
626
627         return wpa_sm_stkstart(wpa_s->wpa, peer);
628 }
629 #endif /* CONFIG_PEERKEY */
630
631
632 #ifdef CONFIG_TDLS
633
634 static int wpa_supplicant_ctrl_iface_tdls_discover(
635         struct wpa_supplicant *wpa_s, char *addr)
636 {
637         u8 peer[ETH_ALEN];
638         int ret;
639
640         if (hwaddr_aton(addr, peer)) {
641                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
642                            "address '%s'", addr);
643                 return -1;
644         }
645
646         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
647                    MAC2STR(peer));
648
649         if (wpa_tdls_is_external_setup(wpa_s->wpa))
650                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
651         else
652                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
653
654         return ret;
655 }
656
657
658 static int wpa_supplicant_ctrl_iface_tdls_setup(
659         struct wpa_supplicant *wpa_s, char *addr)
660 {
661         u8 peer[ETH_ALEN];
662         int ret;
663
664         if (hwaddr_aton(addr, peer)) {
665                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
666                            "address '%s'", addr);
667                 return -1;
668         }
669
670         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
671                    MAC2STR(peer));
672
673         if ((wpa_s->conf->tdls_external_control) &&
674             wpa_tdls_is_external_setup(wpa_s->wpa))
675                 return wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
676
677         wpa_tdls_remove(wpa_s->wpa, peer);
678
679         if (wpa_tdls_is_external_setup(wpa_s->wpa))
680                 ret = wpa_tdls_start(wpa_s->wpa, peer);
681         else
682                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
683
684         return ret;
685 }
686
687
688 static int wpa_supplicant_ctrl_iface_tdls_teardown(
689         struct wpa_supplicant *wpa_s, char *addr)
690 {
691         u8 peer[ETH_ALEN];
692         int ret;
693
694         if (os_strcmp(addr, "*") == 0) {
695                 /* remove everyone */
696                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN *");
697                 wpa_tdls_teardown_peers(wpa_s->wpa);
698                 return 0;
699         }
700
701         if (hwaddr_aton(addr, peer)) {
702                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
703                            "address '%s'", addr);
704                 return -1;
705         }
706
707         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
708                    MAC2STR(peer));
709
710         if ((wpa_s->conf->tdls_external_control) &&
711             wpa_tdls_is_external_setup(wpa_s->wpa))
712                 return wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
713
714         if (wpa_tdls_is_external_setup(wpa_s->wpa))
715                 ret = wpa_tdls_teardown_link(
716                         wpa_s->wpa, peer,
717                         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
718         else
719                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
720
721         return ret;
722 }
723
724
725 static int ctrl_iface_get_capability_tdls(
726         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
727 {
728         int ret;
729
730         ret = os_snprintf(buf, buflen, "%s\n",
731                           wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT ?
732                           (wpa_s->drv_flags &
733                            WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP ?
734                            "EXTERNAL" : "INTERNAL") : "UNSUPPORTED");
735         if (os_snprintf_error(buflen, ret))
736                 return -1;
737         return ret;
738 }
739
740
741 static int wpa_supplicant_ctrl_iface_tdls_chan_switch(
742         struct wpa_supplicant *wpa_s, char *cmd)
743 {
744         u8 peer[ETH_ALEN];
745         struct hostapd_freq_params freq_params;
746         u8 oper_class;
747         char *pos, *end;
748
749         if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
750                 wpa_printf(MSG_INFO,
751                            "tdls_chanswitch: Only supported with external setup");
752                 return -1;
753         }
754
755         os_memset(&freq_params, 0, sizeof(freq_params));
756
757         pos = os_strchr(cmd, ' ');
758         if (pos == NULL)
759                 return -1;
760         *pos++ = '\0';
761
762         oper_class = strtol(pos, &end, 10);
763         if (pos == end) {
764                 wpa_printf(MSG_INFO,
765                            "tdls_chanswitch: Invalid op class provided");
766                 return -1;
767         }
768
769         pos = end;
770         freq_params.freq = atoi(pos);
771         if (freq_params.freq == 0) {
772                 wpa_printf(MSG_INFO, "tdls_chanswitch: Invalid freq provided");
773                 return -1;
774         }
775
776 #define SET_FREQ_SETTING(str) \
777         do { \
778                 const char *pos2 = os_strstr(pos, " " #str "="); \
779                 if (pos2) { \
780                         pos2 += sizeof(" " #str "=") - 1; \
781                         freq_params.str = atoi(pos2); \
782                 } \
783         } while (0)
784
785         SET_FREQ_SETTING(center_freq1);
786         SET_FREQ_SETTING(center_freq2);
787         SET_FREQ_SETTING(bandwidth);
788         SET_FREQ_SETTING(sec_channel_offset);
789 #undef SET_FREQ_SETTING
790
791         freq_params.ht_enabled = !!os_strstr(pos, " ht");
792         freq_params.vht_enabled = !!os_strstr(pos, " vht");
793
794         if (hwaddr_aton(cmd, peer)) {
795                 wpa_printf(MSG_DEBUG,
796                            "CTRL_IFACE TDLS_CHAN_SWITCH: Invalid address '%s'",
797                            cmd);
798                 return -1;
799         }
800
801         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CHAN_SWITCH " MACSTR
802                    " OP CLASS %d FREQ %d CENTER1 %d CENTER2 %d BW %d SEC_OFFSET %d%s%s",
803                    MAC2STR(peer), oper_class, freq_params.freq,
804                    freq_params.center_freq1, freq_params.center_freq2,
805                    freq_params.bandwidth, freq_params.sec_channel_offset,
806                    freq_params.ht_enabled ? " HT" : "",
807                    freq_params.vht_enabled ? " VHT" : "");
808
809         return wpa_tdls_enable_chan_switch(wpa_s->wpa, peer, oper_class,
810                                            &freq_params);
811 }
812
813
814 static int wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(
815         struct wpa_supplicant *wpa_s, char *cmd)
816 {
817         u8 peer[ETH_ALEN];
818
819         if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
820                 wpa_printf(MSG_INFO,
821                            "tdls_chanswitch: Only supported with external setup");
822                 return -1;
823         }
824
825         if (hwaddr_aton(cmd, peer)) {
826                 wpa_printf(MSG_DEBUG,
827                            "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH: Invalid address '%s'",
828                            cmd);
829                 return -1;
830         }
831
832         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH " MACSTR,
833                    MAC2STR(peer));
834
835         return wpa_tdls_disable_chan_switch(wpa_s->wpa, peer);
836 }
837
838
839 static int wpa_supplicant_ctrl_iface_tdls_link_status(
840         struct wpa_supplicant *wpa_s, const char *addr,
841         char *buf, size_t buflen)
842 {
843         u8 peer[ETH_ALEN];
844         const char *tdls_status;
845         int ret;
846
847         if (hwaddr_aton(addr, peer)) {
848                 wpa_printf(MSG_DEBUG,
849                            "CTRL_IFACE TDLS_LINK_STATUS: Invalid address '%s'",
850                            addr);
851                 return -1;
852         }
853         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_LINK_STATUS " MACSTR,
854                    MAC2STR(peer));
855
856         tdls_status = wpa_tdls_get_link_status(wpa_s->wpa, peer);
857         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_LINK_STATUS: %s", tdls_status);
858         ret = os_snprintf(buf, buflen, "TDLS link status: %s\n", tdls_status);
859         if (os_snprintf_error(buflen, ret))
860                 return -1;
861
862         return ret;
863 }
864
865 #endif /* CONFIG_TDLS */
866
867
868 static int wmm_ac_ctrl_addts(struct wpa_supplicant *wpa_s, char *cmd)
869 {
870         char *token, *context = NULL;
871         struct wmm_ac_ts_setup_params params = {
872                 .tsid = 0xff,
873                 .direction = 0xff,
874         };
875
876         while ((token = str_token(cmd, " ", &context))) {
877                 if (sscanf(token, "tsid=%i", &params.tsid) == 1 ||
878                     sscanf(token, "up=%i", &params.user_priority) == 1 ||
879                     sscanf(token, "nominal_msdu_size=%i",
880                            &params.nominal_msdu_size) == 1 ||
881                     sscanf(token, "mean_data_rate=%i",
882                            &params.mean_data_rate) == 1 ||
883                     sscanf(token, "min_phy_rate=%i",
884                            &params.minimum_phy_rate) == 1 ||
885                     sscanf(token, "sba=%i",
886                            &params.surplus_bandwidth_allowance) == 1)
887                         continue;
888
889                 if (os_strcasecmp(token, "downlink") == 0) {
890                         params.direction = WMM_TSPEC_DIRECTION_DOWNLINK;
891                 } else if (os_strcasecmp(token, "uplink") == 0) {
892                         params.direction = WMM_TSPEC_DIRECTION_UPLINK;
893                 } else if (os_strcasecmp(token, "bidi") == 0) {
894                         params.direction = WMM_TSPEC_DIRECTION_BI_DIRECTIONAL;
895                 } else if (os_strcasecmp(token, "fixed_nominal_msdu") == 0) {
896                         params.fixed_nominal_msdu = 1;
897                 } else {
898                         wpa_printf(MSG_DEBUG,
899                                    "CTRL: Invalid WMM_AC_ADDTS parameter: '%s'",
900                                    token);
901                         return -1;
902                 }
903
904         }
905
906         return wpas_wmm_ac_addts(wpa_s, &params);
907 }
908
909
910 static int wmm_ac_ctrl_delts(struct wpa_supplicant *wpa_s, char *cmd)
911 {
912         u8 tsid = atoi(cmd);
913
914         return wpas_wmm_ac_delts(wpa_s, tsid);
915 }
916
917
918 #ifdef CONFIG_IEEE80211R
919 static int wpa_supplicant_ctrl_iface_ft_ds(
920         struct wpa_supplicant *wpa_s, char *addr)
921 {
922         u8 target_ap[ETH_ALEN];
923         struct wpa_bss *bss;
924         const u8 *mdie;
925
926         if (hwaddr_aton(addr, target_ap)) {
927                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
928                            "address '%s'", addr);
929                 return -1;
930         }
931
932         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
933
934         bss = wpa_bss_get_bssid(wpa_s, target_ap);
935         if (bss)
936                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
937         else
938                 mdie = NULL;
939
940         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
941 }
942 #endif /* CONFIG_IEEE80211R */
943
944
945 #ifdef CONFIG_WPS
946 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
947                                              char *cmd)
948 {
949         u8 bssid[ETH_ALEN], *_bssid = bssid;
950 #ifdef CONFIG_P2P
951         u8 p2p_dev_addr[ETH_ALEN];
952 #endif /* CONFIG_P2P */
953 #ifdef CONFIG_AP
954         u8 *_p2p_dev_addr = NULL;
955 #endif /* CONFIG_AP */
956
957         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
958                 _bssid = NULL;
959 #ifdef CONFIG_P2P
960         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
961                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
962                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
963                                    "P2P Device Address '%s'",
964                                    cmd + 13);
965                         return -1;
966                 }
967                 _p2p_dev_addr = p2p_dev_addr;
968 #endif /* CONFIG_P2P */
969         } else if (hwaddr_aton(cmd, bssid)) {
970                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
971                            cmd);
972                 return -1;
973         }
974
975 #ifdef CONFIG_AP
976         if (wpa_s->ap_iface)
977                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
978 #endif /* CONFIG_AP */
979
980         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
981 }
982
983
984 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
985                                              char *cmd, char *buf,
986                                              size_t buflen)
987 {
988         u8 bssid[ETH_ALEN], *_bssid = bssid;
989         char *pin;
990         int ret;
991
992         pin = os_strchr(cmd, ' ');
993         if (pin)
994                 *pin++ = '\0';
995
996         if (os_strcmp(cmd, "any") == 0)
997                 _bssid = NULL;
998         else if (os_strcmp(cmd, "get") == 0) {
999                 if (wps_generate_pin((unsigned int *) &ret) < 0)
1000                         return -1;
1001                 goto done;
1002         } else if (hwaddr_aton(cmd, bssid)) {
1003                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
1004                            cmd);
1005                 return -1;
1006         }
1007
1008 #ifdef CONFIG_AP
1009         if (wpa_s->ap_iface) {
1010                 int timeout = 0;
1011                 char *pos;
1012
1013                 if (pin) {
1014                         pos = os_strchr(pin, ' ');
1015                         if (pos) {
1016                                 *pos++ = '\0';
1017                                 timeout = atoi(pos);
1018                         }
1019                 }
1020
1021                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
1022                                                  buf, buflen, timeout);
1023         }
1024 #endif /* CONFIG_AP */
1025
1026         if (pin) {
1027                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
1028                                          DEV_PW_DEFAULT);
1029                 if (ret < 0)
1030                         return -1;
1031                 ret = os_snprintf(buf, buflen, "%s", pin);
1032                 if (os_snprintf_error(buflen, ret))
1033                         return -1;
1034                 return ret;
1035         }
1036
1037         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
1038         if (ret < 0)
1039                 return -1;
1040
1041 done:
1042         /* Return the generated PIN */
1043         ret = os_snprintf(buf, buflen, "%08d", ret);
1044         if (os_snprintf_error(buflen, ret))
1045                 return -1;
1046         return ret;
1047 }
1048
1049
1050 static int wpa_supplicant_ctrl_iface_wps_check_pin(
1051         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
1052 {
1053         char pin[9];
1054         size_t len;
1055         char *pos;
1056         int ret;
1057
1058         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
1059                               (u8 *) cmd, os_strlen(cmd));
1060         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
1061                 if (*pos < '0' || *pos > '9')
1062                         continue;
1063                 pin[len++] = *pos;
1064                 if (len == 9) {
1065                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
1066                         return -1;
1067                 }
1068         }
1069         if (len != 4 && len != 8) {
1070                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
1071                 return -1;
1072         }
1073         pin[len] = '\0';
1074
1075         if (len == 8) {
1076                 unsigned int pin_val;
1077                 pin_val = atoi(pin);
1078                 if (!wps_pin_valid(pin_val)) {
1079                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
1080                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
1081                         if (os_snprintf_error(buflen, ret))
1082                                 return -1;
1083                         return ret;
1084                 }
1085         }
1086
1087         ret = os_snprintf(buf, buflen, "%s", pin);
1088         if (os_snprintf_error(buflen, ret))
1089                 return -1;
1090
1091         return ret;
1092 }
1093
1094
1095 #ifdef CONFIG_WPS_NFC
1096
1097 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
1098                                              char *cmd)
1099 {
1100         u8 bssid[ETH_ALEN], *_bssid = bssid;
1101
1102         if (cmd == NULL || cmd[0] == '\0')
1103                 _bssid = NULL;
1104         else if (hwaddr_aton(cmd, bssid))
1105                 return -1;
1106
1107         return wpas_wps_start_nfc(wpa_s, NULL, _bssid, NULL, 0, 0, NULL, NULL,
1108                                   0, 0);
1109 }
1110
1111
1112 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
1113         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1114 {
1115         int ndef;
1116         struct wpabuf *buf;
1117         int res;
1118         char *pos;
1119
1120         pos = os_strchr(cmd, ' ');
1121         if (pos)
1122                 *pos++ = '\0';
1123         if (os_strcmp(cmd, "WPS") == 0)
1124                 ndef = 0;
1125         else if (os_strcmp(cmd, "NDEF") == 0)
1126                 ndef = 1;
1127         else
1128                 return -1;
1129
1130         buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
1131         if (buf == NULL)
1132                 return -1;
1133
1134         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1135                                          wpabuf_len(buf));
1136         reply[res++] = '\n';
1137         reply[res] = '\0';
1138
1139         wpabuf_free(buf);
1140
1141         return res;
1142 }
1143
1144
1145 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
1146         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1147 {
1148         int ndef;
1149         struct wpabuf *buf;
1150         int res;
1151
1152         if (os_strcmp(cmd, "WPS") == 0)
1153                 ndef = 0;
1154         else if (os_strcmp(cmd, "NDEF") == 0)
1155                 ndef = 1;
1156         else
1157                 return -1;
1158
1159         buf = wpas_wps_nfc_token(wpa_s, ndef);
1160         if (buf == NULL)
1161                 return -1;
1162
1163         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1164                                          wpabuf_len(buf));
1165         reply[res++] = '\n';
1166         reply[res] = '\0';
1167
1168         wpabuf_free(buf);
1169
1170         return res;
1171 }
1172
1173
1174 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
1175         struct wpa_supplicant *wpa_s, char *pos)
1176 {
1177         size_t len;
1178         struct wpabuf *buf;
1179         int ret;
1180         char *freq;
1181         int forced_freq = 0;
1182
1183         freq = strstr(pos, " freq=");
1184         if (freq) {
1185                 *freq = '\0';
1186                 freq += 6;
1187                 forced_freq = atoi(freq);
1188         }
1189
1190         len = os_strlen(pos);
1191         if (len & 0x01)
1192                 return -1;
1193         len /= 2;
1194
1195         buf = wpabuf_alloc(len);
1196         if (buf == NULL)
1197                 return -1;
1198         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
1199                 wpabuf_free(buf);
1200                 return -1;
1201         }
1202
1203         ret = wpas_wps_nfc_tag_read(wpa_s, buf, forced_freq);
1204         wpabuf_free(buf);
1205
1206         return ret;
1207 }
1208
1209
1210 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
1211                                               char *reply, size_t max_len,
1212                                               int ndef)
1213 {
1214         struct wpabuf *buf;
1215         int res;
1216
1217         buf = wpas_wps_nfc_handover_req(wpa_s, ndef);
1218         if (buf == NULL)
1219                 return -1;
1220
1221         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1222                                          wpabuf_len(buf));
1223         reply[res++] = '\n';
1224         reply[res] = '\0';
1225
1226         wpabuf_free(buf);
1227
1228         return res;
1229 }
1230
1231
1232 #ifdef CONFIG_P2P
1233 static int wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant *wpa_s,
1234                                               char *reply, size_t max_len,
1235                                               int ndef)
1236 {
1237         struct wpabuf *buf;
1238         int res;
1239
1240         buf = wpas_p2p_nfc_handover_req(wpa_s, ndef);
1241         if (buf == NULL) {
1242                 wpa_printf(MSG_DEBUG, "P2P: Could not generate NFC handover request");
1243                 return -1;
1244         }
1245
1246         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1247                                          wpabuf_len(buf));
1248         reply[res++] = '\n';
1249         reply[res] = '\0';
1250
1251         wpabuf_free(buf);
1252
1253         return res;
1254 }
1255 #endif /* CONFIG_P2P */
1256
1257
1258 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
1259                                           char *cmd, char *reply,
1260                                           size_t max_len)
1261 {
1262         char *pos;
1263         int ndef;
1264
1265         pos = os_strchr(cmd, ' ');
1266         if (pos == NULL)
1267                 return -1;
1268         *pos++ = '\0';
1269
1270         if (os_strcmp(cmd, "WPS") == 0)
1271                 ndef = 0;
1272         else if (os_strcmp(cmd, "NDEF") == 0)
1273                 ndef = 1;
1274         else
1275                 return -1;
1276
1277         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1278                 if (!ndef)
1279                         return -1;
1280                 return wpas_ctrl_nfc_get_handover_req_wps(
1281                         wpa_s, reply, max_len, ndef);
1282         }
1283
1284 #ifdef CONFIG_P2P
1285         if (os_strcmp(pos, "P2P-CR") == 0) {
1286                 return wpas_ctrl_nfc_get_handover_req_p2p(
1287                         wpa_s, reply, max_len, ndef);
1288         }
1289 #endif /* CONFIG_P2P */
1290
1291         return -1;
1292 }
1293
1294
1295 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
1296                                               char *reply, size_t max_len,
1297                                               int ndef, int cr, char *uuid)
1298 {
1299         struct wpabuf *buf;
1300         int res;
1301
1302         buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
1303         if (buf == NULL)
1304                 return -1;
1305
1306         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1307                                          wpabuf_len(buf));
1308         reply[res++] = '\n';
1309         reply[res] = '\0';
1310
1311         wpabuf_free(buf);
1312
1313         return res;
1314 }
1315
1316
1317 #ifdef CONFIG_P2P
1318 static int wpas_ctrl_nfc_get_handover_sel_p2p(struct wpa_supplicant *wpa_s,
1319                                               char *reply, size_t max_len,
1320                                               int ndef, int tag)
1321 {
1322         struct wpabuf *buf;
1323         int res;
1324
1325         buf = wpas_p2p_nfc_handover_sel(wpa_s, ndef, tag);
1326         if (buf == NULL)
1327                 return -1;
1328
1329         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1330                                          wpabuf_len(buf));
1331         reply[res++] = '\n';
1332         reply[res] = '\0';
1333
1334         wpabuf_free(buf);
1335
1336         return res;
1337 }
1338 #endif /* CONFIG_P2P */
1339
1340
1341 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
1342                                           char *cmd, char *reply,
1343                                           size_t max_len)
1344 {
1345         char *pos, *pos2;
1346         int ndef;
1347
1348         pos = os_strchr(cmd, ' ');
1349         if (pos == NULL)
1350                 return -1;
1351         *pos++ = '\0';
1352
1353         if (os_strcmp(cmd, "WPS") == 0)
1354                 ndef = 0;
1355         else if (os_strcmp(cmd, "NDEF") == 0)
1356                 ndef = 1;
1357         else
1358                 return -1;
1359
1360         pos2 = os_strchr(pos, ' ');
1361         if (pos2)
1362                 *pos2++ = '\0';
1363         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1364                 if (!ndef)
1365                         return -1;
1366                 return wpas_ctrl_nfc_get_handover_sel_wps(
1367                         wpa_s, reply, max_len, ndef,
1368                         os_strcmp(pos, "WPS-CR") == 0, pos2);
1369         }
1370
1371 #ifdef CONFIG_P2P
1372         if (os_strcmp(pos, "P2P-CR") == 0) {
1373                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1374                         wpa_s, reply, max_len, ndef, 0);
1375         }
1376
1377         if (os_strcmp(pos, "P2P-CR-TAG") == 0) {
1378                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1379                         wpa_s, reply, max_len, ndef, 1);
1380         }
1381 #endif /* CONFIG_P2P */
1382
1383         return -1;
1384 }
1385
1386
1387 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1388                                          char *cmd)
1389 {
1390         size_t len;
1391         struct wpabuf *req, *sel;
1392         int ret;
1393         char *pos, *role, *type, *pos2;
1394 #ifdef CONFIG_P2P
1395         char *freq;
1396         int forced_freq = 0;
1397
1398         freq = strstr(cmd, " freq=");
1399         if (freq) {
1400                 *freq = '\0';
1401                 freq += 6;
1402                 forced_freq = atoi(freq);
1403         }
1404 #endif /* CONFIG_P2P */
1405
1406         role = cmd;
1407         pos = os_strchr(role, ' ');
1408         if (pos == NULL) {
1409                 wpa_printf(MSG_DEBUG, "NFC: Missing type in handover report");
1410                 return -1;
1411         }
1412         *pos++ = '\0';
1413
1414         type = pos;
1415         pos = os_strchr(type, ' ');
1416         if (pos == NULL) {
1417                 wpa_printf(MSG_DEBUG, "NFC: Missing request message in handover report");
1418                 return -1;
1419         }
1420         *pos++ = '\0';
1421
1422         pos2 = os_strchr(pos, ' ');
1423         if (pos2 == NULL) {
1424                 wpa_printf(MSG_DEBUG, "NFC: Missing select message in handover report");
1425                 return -1;
1426         }
1427         *pos2++ = '\0';
1428
1429         len = os_strlen(pos);
1430         if (len & 0x01) {
1431                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message length in handover report");
1432                 return -1;
1433         }
1434         len /= 2;
1435
1436         req = wpabuf_alloc(len);
1437         if (req == NULL) {
1438                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for request message");
1439                 return -1;
1440         }
1441         if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1442                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message hexdump in handover report");
1443                 wpabuf_free(req);
1444                 return -1;
1445         }
1446
1447         len = os_strlen(pos2);
1448         if (len & 0x01) {
1449                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message length in handover report");
1450                 wpabuf_free(req);
1451                 return -1;
1452         }
1453         len /= 2;
1454
1455         sel = wpabuf_alloc(len);
1456         if (sel == NULL) {
1457                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for select message");
1458                 wpabuf_free(req);
1459                 return -1;
1460         }
1461         if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1462                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message hexdump in handover report");
1463                 wpabuf_free(req);
1464                 wpabuf_free(sel);
1465                 return -1;
1466         }
1467
1468         wpa_printf(MSG_DEBUG, "NFC: Connection handover reported - role=%s type=%s req_len=%d sel_len=%d",
1469                    role, type, (int) wpabuf_len(req), (int) wpabuf_len(sel));
1470
1471         if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1472                 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1473 #ifdef CONFIG_AP
1474         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0)
1475         {
1476                 ret = wpas_ap_wps_nfc_report_handover(wpa_s, req, sel);
1477                 if (ret < 0)
1478                         ret = wpas_er_wps_nfc_report_handover(wpa_s, req, sel);
1479 #endif /* CONFIG_AP */
1480 #ifdef CONFIG_P2P
1481         } else if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "P2P") == 0)
1482         {
1483                 ret = wpas_p2p_nfc_report_handover(wpa_s, 1, req, sel, 0);
1484         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "P2P") == 0)
1485         {
1486                 ret = wpas_p2p_nfc_report_handover(wpa_s, 0, req, sel,
1487                                                    forced_freq);
1488 #endif /* CONFIG_P2P */
1489         } else {
1490                 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1491                            "reported: role=%s type=%s", role, type);
1492                 ret = -1;
1493         }
1494         wpabuf_free(req);
1495         wpabuf_free(sel);
1496
1497         if (ret)
1498                 wpa_printf(MSG_DEBUG, "NFC: Failed to process reported handover messages");
1499
1500         return ret;
1501 }
1502
1503 #endif /* CONFIG_WPS_NFC */
1504
1505
1506 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1507                                              char *cmd)
1508 {
1509         u8 bssid[ETH_ALEN];
1510         char *pin;
1511         char *new_ssid;
1512         char *new_auth;
1513         char *new_encr;
1514         char *new_key;
1515         struct wps_new_ap_settings ap;
1516
1517         pin = os_strchr(cmd, ' ');
1518         if (pin == NULL)
1519                 return -1;
1520         *pin++ = '\0';
1521
1522         if (hwaddr_aton(cmd, bssid)) {
1523                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1524                            cmd);
1525                 return -1;
1526         }
1527
1528         new_ssid = os_strchr(pin, ' ');
1529         if (new_ssid == NULL)
1530                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1531         *new_ssid++ = '\0';
1532
1533         new_auth = os_strchr(new_ssid, ' ');
1534         if (new_auth == NULL)
1535                 return -1;
1536         *new_auth++ = '\0';
1537
1538         new_encr = os_strchr(new_auth, ' ');
1539         if (new_encr == NULL)
1540                 return -1;
1541         *new_encr++ = '\0';
1542
1543         new_key = os_strchr(new_encr, ' ');
1544         if (new_key == NULL)
1545                 return -1;
1546         *new_key++ = '\0';
1547
1548         os_memset(&ap, 0, sizeof(ap));
1549         ap.ssid_hex = new_ssid;
1550         ap.auth = new_auth;
1551         ap.encr = new_encr;
1552         ap.key_hex = new_key;
1553         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1554 }
1555
1556
1557 #ifdef CONFIG_AP
1558 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1559                                                 char *cmd, char *buf,
1560                                                 size_t buflen)
1561 {
1562         int timeout = 300;
1563         char *pos;
1564         const char *pin_txt;
1565
1566         if (!wpa_s->ap_iface)
1567                 return -1;
1568
1569         pos = os_strchr(cmd, ' ');
1570         if (pos)
1571                 *pos++ = '\0';
1572
1573         if (os_strcmp(cmd, "disable") == 0) {
1574                 wpas_wps_ap_pin_disable(wpa_s);
1575                 return os_snprintf(buf, buflen, "OK\n");
1576         }
1577
1578         if (os_strcmp(cmd, "random") == 0) {
1579                 if (pos)
1580                         timeout = atoi(pos);
1581                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1582                 if (pin_txt == NULL)
1583                         return -1;
1584                 return os_snprintf(buf, buflen, "%s", pin_txt);
1585         }
1586
1587         if (os_strcmp(cmd, "get") == 0) {
1588                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1589                 if (pin_txt == NULL)
1590                         return -1;
1591                 return os_snprintf(buf, buflen, "%s", pin_txt);
1592         }
1593
1594         if (os_strcmp(cmd, "set") == 0) {
1595                 char *pin;
1596                 if (pos == NULL)
1597                         return -1;
1598                 pin = pos;
1599                 pos = os_strchr(pos, ' ');
1600                 if (pos) {
1601                         *pos++ = '\0';
1602                         timeout = atoi(pos);
1603                 }
1604                 if (os_strlen(pin) > buflen)
1605                         return -1;
1606                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1607                         return -1;
1608                 return os_snprintf(buf, buflen, "%s", pin);
1609         }
1610
1611         return -1;
1612 }
1613 #endif /* CONFIG_AP */
1614
1615
1616 #ifdef CONFIG_WPS_ER
1617 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1618                                                 char *cmd)
1619 {
1620         char *uuid = cmd, *pin, *pos;
1621         u8 addr_buf[ETH_ALEN], *addr = NULL;
1622         pin = os_strchr(uuid, ' ');
1623         if (pin == NULL)
1624                 return -1;
1625         *pin++ = '\0';
1626         pos = os_strchr(pin, ' ');
1627         if (pos) {
1628                 *pos++ = '\0';
1629                 if (hwaddr_aton(pos, addr_buf) == 0)
1630                         addr = addr_buf;
1631         }
1632         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1633 }
1634
1635
1636 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1637                                                   char *cmd)
1638 {
1639         char *uuid = cmd, *pin;
1640         pin = os_strchr(uuid, ' ');
1641         if (pin == NULL)
1642                 return -1;
1643         *pin++ = '\0';
1644         return wpas_wps_er_learn(wpa_s, uuid, pin);
1645 }
1646
1647
1648 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1649         struct wpa_supplicant *wpa_s, char *cmd)
1650 {
1651         char *uuid = cmd, *id;
1652         id = os_strchr(uuid, ' ');
1653         if (id == NULL)
1654                 return -1;
1655         *id++ = '\0';
1656         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1657 }
1658
1659
1660 static int wpa_supplicant_ctrl_iface_wps_er_config(
1661         struct wpa_supplicant *wpa_s, char *cmd)
1662 {
1663         char *pin;
1664         char *new_ssid;
1665         char *new_auth;
1666         char *new_encr;
1667         char *new_key;
1668         struct wps_new_ap_settings ap;
1669
1670         pin = os_strchr(cmd, ' ');
1671         if (pin == NULL)
1672                 return -1;
1673         *pin++ = '\0';
1674
1675         new_ssid = os_strchr(pin, ' ');
1676         if (new_ssid == NULL)
1677                 return -1;
1678         *new_ssid++ = '\0';
1679
1680         new_auth = os_strchr(new_ssid, ' ');
1681         if (new_auth == NULL)
1682                 return -1;
1683         *new_auth++ = '\0';
1684
1685         new_encr = os_strchr(new_auth, ' ');
1686         if (new_encr == NULL)
1687                 return -1;
1688         *new_encr++ = '\0';
1689
1690         new_key = os_strchr(new_encr, ' ');
1691         if (new_key == NULL)
1692                 return -1;
1693         *new_key++ = '\0';
1694
1695         os_memset(&ap, 0, sizeof(ap));
1696         ap.ssid_hex = new_ssid;
1697         ap.auth = new_auth;
1698         ap.encr = new_encr;
1699         ap.key_hex = new_key;
1700         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1701 }
1702
1703
1704 #ifdef CONFIG_WPS_NFC
1705 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1706         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1707 {
1708         int ndef;
1709         struct wpabuf *buf;
1710         int res;
1711         char *uuid;
1712
1713         uuid = os_strchr(cmd, ' ');
1714         if (uuid == NULL)
1715                 return -1;
1716         *uuid++ = '\0';
1717
1718         if (os_strcmp(cmd, "WPS") == 0)
1719                 ndef = 0;
1720         else if (os_strcmp(cmd, "NDEF") == 0)
1721                 ndef = 1;
1722         else
1723                 return -1;
1724
1725         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1726         if (buf == NULL)
1727                 return -1;
1728
1729         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1730                                          wpabuf_len(buf));
1731         reply[res++] = '\n';
1732         reply[res] = '\0';
1733
1734         wpabuf_free(buf);
1735
1736         return res;
1737 }
1738 #endif /* CONFIG_WPS_NFC */
1739 #endif /* CONFIG_WPS_ER */
1740
1741 #endif /* CONFIG_WPS */
1742
1743
1744 #ifdef CONFIG_IBSS_RSN
1745 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1746         struct wpa_supplicant *wpa_s, char *addr)
1747 {
1748         u8 peer[ETH_ALEN];
1749
1750         if (hwaddr_aton(addr, peer)) {
1751                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1752                            "address '%s'", addr);
1753                 return -1;
1754         }
1755
1756         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1757                    MAC2STR(peer));
1758
1759         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1760 }
1761 #endif /* CONFIG_IBSS_RSN */
1762
1763
1764 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1765                                               char *rsp)
1766 {
1767 #ifdef IEEE8021X_EAPOL
1768         char *pos, *id_pos;
1769         int id;
1770         struct wpa_ssid *ssid;
1771
1772         pos = os_strchr(rsp, '-');
1773         if (pos == NULL)
1774                 return -1;
1775         *pos++ = '\0';
1776         id_pos = pos;
1777         pos = os_strchr(pos, ':');
1778         if (pos == NULL)
1779                 return -1;
1780         *pos++ = '\0';
1781         id = atoi(id_pos);
1782         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1783         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1784                               (u8 *) pos, os_strlen(pos));
1785
1786         ssid = wpa_config_get_network(wpa_s->conf, id);
1787         if (ssid == NULL) {
1788                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1789                            "to update", id);
1790                 return -1;
1791         }
1792
1793         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1794                                                          pos);
1795 #else /* IEEE8021X_EAPOL */
1796         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1797         return -1;
1798 #endif /* IEEE8021X_EAPOL */
1799 }
1800
1801
1802 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1803                                             const char *params,
1804                                             char *buf, size_t buflen)
1805 {
1806         char *pos, *end, tmp[30];
1807         int res, verbose, wps, ret;
1808 #ifdef CONFIG_HS20
1809         const u8 *hs20;
1810 #endif /* CONFIG_HS20 */
1811         const u8 *sess_id;
1812         size_t sess_id_len;
1813
1814         if (os_strcmp(params, "-DRIVER") == 0)
1815                 return wpa_drv_status(wpa_s, buf, buflen);
1816         verbose = os_strcmp(params, "-VERBOSE") == 0;
1817         wps = os_strcmp(params, "-WPS") == 0;
1818         pos = buf;
1819         end = buf + buflen;
1820         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1821                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1822                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1823                                   MAC2STR(wpa_s->bssid));
1824                 if (os_snprintf_error(end - pos, ret))
1825                         return pos - buf;
1826                 pos += ret;
1827                 ret = os_snprintf(pos, end - pos, "freq=%u\n",
1828                                   wpa_s->assoc_freq);
1829                 if (os_snprintf_error(end - pos, ret))
1830                         return pos - buf;
1831                 pos += ret;
1832                 if (ssid) {
1833                         u8 *_ssid = ssid->ssid;
1834                         size_t ssid_len = ssid->ssid_len;
1835                         u8 ssid_buf[SSID_MAX_LEN];
1836                         if (ssid_len == 0) {
1837                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1838                                 if (_res < 0)
1839                                         ssid_len = 0;
1840                                 else
1841                                         ssid_len = _res;
1842                                 _ssid = ssid_buf;
1843                         }
1844                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1845                                           wpa_ssid_txt(_ssid, ssid_len),
1846                                           ssid->id);
1847                         if (os_snprintf_error(end - pos, ret))
1848                                 return pos - buf;
1849                         pos += ret;
1850
1851                         if (wps && ssid->passphrase &&
1852                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1853                             (ssid->mode == WPAS_MODE_AP ||
1854                              ssid->mode == WPAS_MODE_P2P_GO)) {
1855                                 ret = os_snprintf(pos, end - pos,
1856                                                   "passphrase=%s\n",
1857                                                   ssid->passphrase);
1858                                 if (os_snprintf_error(end - pos, ret))
1859                                         return pos - buf;
1860                                 pos += ret;
1861                         }
1862                         if (ssid->id_str) {
1863                                 ret = os_snprintf(pos, end - pos,
1864                                                   "id_str=%s\n",
1865                                                   ssid->id_str);
1866                                 if (os_snprintf_error(end - pos, ret))
1867                                         return pos - buf;
1868                                 pos += ret;
1869                         }
1870
1871                         switch (ssid->mode) {
1872                         case WPAS_MODE_INFRA:
1873                                 ret = os_snprintf(pos, end - pos,
1874                                                   "mode=station\n");
1875                                 break;
1876                         case WPAS_MODE_IBSS:
1877                                 ret = os_snprintf(pos, end - pos,
1878                                                   "mode=IBSS\n");
1879                                 break;
1880                         case WPAS_MODE_AP:
1881                                 ret = os_snprintf(pos, end - pos,
1882                                                   "mode=AP\n");
1883                                 break;
1884                         case WPAS_MODE_P2P_GO:
1885                                 ret = os_snprintf(pos, end - pos,
1886                                                   "mode=P2P GO\n");
1887                                 break;
1888                         case WPAS_MODE_P2P_GROUP_FORMATION:
1889                                 ret = os_snprintf(pos, end - pos,
1890                                                   "mode=P2P GO - group "
1891                                                   "formation\n");
1892                                 break;
1893                         case WPAS_MODE_MESH:
1894                                 ret = os_snprintf(pos, end - pos,
1895                                                   "mode=mesh\n");
1896                                 break;
1897                         default:
1898                                 ret = 0;
1899                                 break;
1900                         }
1901                         if (os_snprintf_error(end - pos, ret))
1902                                 return pos - buf;
1903                         pos += ret;
1904                 }
1905
1906 #ifdef CONFIG_AP
1907                 if (wpa_s->ap_iface) {
1908                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1909                                                             end - pos,
1910                                                             verbose);
1911                 } else
1912 #endif /* CONFIG_AP */
1913                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1914         }
1915 #ifdef CONFIG_SAE
1916         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1917 #ifdef CONFIG_AP
1918             !wpa_s->ap_iface &&
1919 #endif /* CONFIG_AP */
1920             wpa_s->sme.sae.state == SAE_ACCEPTED) {
1921                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1922                                   wpa_s->sme.sae.group);
1923                 if (os_snprintf_error(end - pos, ret))
1924                         return pos - buf;
1925                 pos += ret;
1926         }
1927 #endif /* CONFIG_SAE */
1928         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1929                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1930         if (os_snprintf_error(end - pos, ret))
1931                 return pos - buf;
1932         pos += ret;
1933
1934         if (wpa_s->l2 &&
1935             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1936                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1937                 if (os_snprintf_error(end - pos, ret))
1938                         return pos - buf;
1939                 pos += ret;
1940         }
1941
1942 #ifdef CONFIG_P2P
1943         if (wpa_s->global->p2p) {
1944                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1945                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1946                 if (os_snprintf_error(end - pos, ret))
1947                         return pos - buf;
1948                 pos += ret;
1949         }
1950 #endif /* CONFIG_P2P */
1951
1952         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1953                           MAC2STR(wpa_s->own_addr));
1954         if (os_snprintf_error(end - pos, ret))
1955                 return pos - buf;
1956         pos += ret;
1957
1958 #ifdef CONFIG_HS20
1959         if (wpa_s->current_bss &&
1960             (hs20 = wpa_bss_get_vendor_ie(wpa_s->current_bss,
1961                                           HS20_IE_VENDOR_TYPE)) &&
1962             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1963             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1964                 int release = 1;
1965                 if (hs20[1] >= 5) {
1966                         u8 rel_num = (hs20[6] & 0xf0) >> 4;
1967                         release = rel_num + 1;
1968                 }
1969                 ret = os_snprintf(pos, end - pos, "hs20=%d\n", release);
1970                 if (os_snprintf_error(end - pos, ret))
1971                         return pos - buf;
1972                 pos += ret;
1973         }
1974
1975         if (wpa_s->current_ssid) {
1976                 struct wpa_cred *cred;
1977                 char *type;
1978
1979                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1980                         size_t i;
1981
1982                         if (wpa_s->current_ssid->parent_cred != cred)
1983                                 continue;
1984
1985                         if (cred->provisioning_sp) {
1986                                 ret = os_snprintf(pos, end - pos,
1987                                                   "provisioning_sp=%s\n",
1988                                                   cred->provisioning_sp);
1989                                 if (os_snprintf_error(end - pos, ret))
1990                                         return pos - buf;
1991                                 pos += ret;
1992                         }
1993
1994                         if (!cred->domain)
1995                                 goto no_domain;
1996
1997                         i = 0;
1998                         if (wpa_s->current_bss && wpa_s->current_bss->anqp) {
1999                                 struct wpabuf *names =
2000                                         wpa_s->current_bss->anqp->domain_name;
2001                                 for (i = 0; names && i < cred->num_domain; i++)
2002                                 {
2003                                         if (domain_name_list_contains(
2004                                                     names, cred->domain[i], 1))
2005                                                 break;
2006                                 }
2007                                 if (i == cred->num_domain)
2008                                         i = 0; /* show first entry by default */
2009                         }
2010                         ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
2011                                           cred->domain[i]);
2012                         if (os_snprintf_error(end - pos, ret))
2013                                 return pos - buf;
2014                         pos += ret;
2015
2016                 no_domain:
2017                         if (wpa_s->current_bss == NULL ||
2018                             wpa_s->current_bss->anqp == NULL)
2019                                 res = -1;
2020                         else
2021                                 res = interworking_home_sp_cred(
2022                                         wpa_s, cred,
2023                                         wpa_s->current_bss->anqp->domain_name);
2024                         if (res > 0)
2025                                 type = "home";
2026                         else if (res == 0)
2027                                 type = "roaming";
2028                         else
2029                                 type = "unknown";
2030
2031                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
2032                         if (os_snprintf_error(end - pos, ret))
2033                                 return pos - buf;
2034                         pos += ret;
2035
2036                         break;
2037                 }
2038         }
2039 #endif /* CONFIG_HS20 */
2040
2041         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
2042             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
2043                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
2044                                           verbose);
2045                 if (res >= 0)
2046                         pos += res;
2047         }
2048
2049         sess_id = eapol_sm_get_session_id(wpa_s->eapol, &sess_id_len);
2050         if (sess_id) {
2051                 char *start = pos;
2052
2053                 ret = os_snprintf(pos, end - pos, "eap_session_id=");
2054                 if (os_snprintf_error(end - pos, ret))
2055                         return start - buf;
2056                 pos += ret;
2057                 ret = wpa_snprintf_hex(pos, end - pos, sess_id, sess_id_len);
2058                 if (ret <= 0)
2059                         return start - buf;
2060                 pos += ret;
2061                 ret = os_snprintf(pos, end - pos, "\n");
2062                 if (os_snprintf_error(end - pos, ret))
2063                         return start - buf;
2064                 pos += ret;
2065         }
2066
2067         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
2068         if (res >= 0)
2069                 pos += res;
2070
2071 #ifdef CONFIG_WPS
2072         {
2073                 char uuid_str[100];
2074                 uuid_bin2str(wpa_s->wps->uuid, uuid_str, sizeof(uuid_str));
2075                 ret = os_snprintf(pos, end - pos, "uuid=%s\n", uuid_str);
2076                 if (os_snprintf_error(end - pos, ret))
2077                         return pos - buf;
2078                 pos += ret;
2079         }
2080 #endif /* CONFIG_WPS */
2081
2082 #ifdef ANDROID
2083         /*
2084          * Allow using the STATUS command with default behavior, say for debug,
2085          * i.e., don't generate a "fake" CONNECTION and SUPPLICANT_STATE_CHANGE
2086          * events with STATUS-NO_EVENTS.
2087          */
2088         if (os_strcmp(params, "-NO_EVENTS")) {
2089                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
2090                              "id=%d state=%d BSSID=" MACSTR " SSID=%s",
2091                              wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
2092                              wpa_s->wpa_state,
2093                              MAC2STR(wpa_s->bssid),
2094                              wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
2095                              wpa_ssid_txt(wpa_s->current_ssid->ssid,
2096                                           wpa_s->current_ssid->ssid_len) : "");
2097                 if (wpa_s->wpa_state == WPA_COMPLETED) {
2098                         struct wpa_ssid *ssid = wpa_s->current_ssid;
2099                         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED
2100                                      "- connection to " MACSTR
2101                                      " completed %s [id=%d id_str=%s]",
2102                                      MAC2STR(wpa_s->bssid), "(auth)",
2103                                      ssid ? ssid->id : -1,
2104                                      ssid && ssid->id_str ? ssid->id_str : "");
2105                 }
2106         }
2107 #endif /* ANDROID */
2108
2109         return pos - buf;
2110 }
2111
2112
2113 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
2114                                            char *cmd)
2115 {
2116         char *pos;
2117         int id;
2118         struct wpa_ssid *ssid;
2119         u8 bssid[ETH_ALEN];
2120
2121         /* cmd: "<network id> <BSSID>" */
2122         pos = os_strchr(cmd, ' ');
2123         if (pos == NULL)
2124                 return -1;
2125         *pos++ = '\0';
2126         id = atoi(cmd);
2127         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
2128         if (hwaddr_aton(pos, bssid)) {
2129                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
2130                 return -1;
2131         }
2132
2133         ssid = wpa_config_get_network(wpa_s->conf, id);
2134         if (ssid == NULL) {
2135                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
2136                            "to update", id);
2137                 return -1;
2138         }
2139
2140         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
2141         ssid->bssid_set = !is_zero_ether_addr(bssid);
2142
2143         return 0;
2144 }
2145
2146
2147 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
2148                                                char *cmd, char *buf,
2149                                                size_t buflen)
2150 {
2151         u8 bssid[ETH_ALEN];
2152         struct wpa_blacklist *e;
2153         char *pos, *end;
2154         int ret;
2155
2156         /* cmd: "BLACKLIST [<BSSID>]" */
2157         if (*cmd == '\0') {
2158                 pos = buf;
2159                 end = buf + buflen;
2160                 e = wpa_s->blacklist;
2161                 while (e) {
2162                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
2163                                           MAC2STR(e->bssid));
2164                         if (os_snprintf_error(end - pos, ret))
2165                                 return pos - buf;
2166                         pos += ret;
2167                         e = e->next;
2168                 }
2169                 return pos - buf;
2170         }
2171
2172         cmd++;
2173         if (os_strncmp(cmd, "clear", 5) == 0) {
2174                 wpa_blacklist_clear(wpa_s);
2175                 os_memcpy(buf, "OK\n", 3);
2176                 return 3;
2177         }
2178
2179         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
2180         if (hwaddr_aton(cmd, bssid)) {
2181                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
2182                 return -1;
2183         }
2184
2185         /*
2186          * Add the BSSID twice, so its count will be 2, causing it to be
2187          * skipped when processing scan results.
2188          */
2189         ret = wpa_blacklist_add(wpa_s, bssid);
2190         if (ret < 0)
2191                 return -1;
2192         ret = wpa_blacklist_add(wpa_s, bssid);
2193         if (ret < 0)
2194                 return -1;
2195         os_memcpy(buf, "OK\n", 3);
2196         return 3;
2197 }
2198
2199
2200 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
2201                                                char *cmd, char *buf,
2202                                                size_t buflen)
2203 {
2204         char *pos, *end, *stamp;
2205         int ret;
2206
2207         /* cmd: "LOG_LEVEL [<level>]" */
2208         if (*cmd == '\0') {
2209                 pos = buf;
2210                 end = buf + buflen;
2211                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
2212                                   "Timestamp: %d\n",
2213                                   debug_level_str(wpa_debug_level),
2214                                   wpa_debug_timestamp);
2215                 if (os_snprintf_error(end - pos, ret))
2216                         ret = 0;
2217
2218                 return ret;
2219         }
2220
2221         while (*cmd == ' ')
2222                 cmd++;
2223
2224         stamp = os_strchr(cmd, ' ');
2225         if (stamp) {
2226                 *stamp++ = '\0';
2227                 while (*stamp == ' ') {
2228                         stamp++;
2229                 }
2230         }
2231
2232         if (os_strlen(cmd)) {
2233                 int level = str_to_debug_level(cmd);
2234                 if (level < 0)
2235                         return -1;
2236                 wpa_debug_level = level;
2237         }
2238
2239         if (stamp && os_strlen(stamp))
2240                 wpa_debug_timestamp = atoi(stamp);
2241
2242         os_memcpy(buf, "OK\n", 3);
2243         return 3;
2244 }
2245
2246
2247 static int wpa_supplicant_ctrl_iface_list_networks(
2248         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2249 {
2250         char *pos, *end, *prev;
2251         struct wpa_ssid *ssid;
2252         int ret;
2253
2254         pos = buf;
2255         end = buf + buflen;
2256         ret = os_snprintf(pos, end - pos,
2257                           "network id / ssid / bssid / flags\n");
2258         if (os_snprintf_error(end - pos, ret))
2259                 return pos - buf;
2260         pos += ret;
2261
2262         ssid = wpa_s->conf->ssid;
2263
2264         /* skip over ssids until we find next one */
2265         if (cmd != NULL && os_strncmp(cmd, "LAST_ID=", 8) == 0) {
2266                 int last_id = atoi(cmd + 8);
2267                 if (last_id != -1) {
2268                         while (ssid != NULL && ssid->id <= last_id) {
2269                                 ssid = ssid->next;
2270                         }
2271                 }
2272         }
2273
2274         while (ssid) {
2275                 prev = pos;
2276                 ret = os_snprintf(pos, end - pos, "%d\t%s",
2277                                   ssid->id,
2278                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
2279                 if (os_snprintf_error(end - pos, ret))
2280                         return prev - buf;
2281                 pos += ret;
2282                 if (ssid->bssid_set) {
2283                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
2284                                           MAC2STR(ssid->bssid));
2285                 } else {
2286                         ret = os_snprintf(pos, end - pos, "\tany");
2287                 }
2288                 if (os_snprintf_error(end - pos, ret))
2289                         return prev - buf;
2290                 pos += ret;
2291                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
2292                                   ssid == wpa_s->current_ssid ?
2293                                   "[CURRENT]" : "",
2294                                   ssid->disabled ? "[DISABLED]" : "",
2295                                   ssid->disabled_until.sec ?
2296                                   "[TEMP-DISABLED]" : "",
2297                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
2298                                   "");
2299                 if (os_snprintf_error(end - pos, ret))
2300                         return prev - buf;
2301                 pos += ret;
2302                 ret = os_snprintf(pos, end - pos, "\n");
2303                 if (os_snprintf_error(end - pos, ret))
2304                         return prev - buf;
2305                 pos += ret;
2306
2307                 ssid = ssid->next;
2308         }
2309
2310         return pos - buf;
2311 }
2312
2313
2314 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
2315 {
2316         int ret;
2317         ret = os_snprintf(pos, end - pos, "-");
2318         if (os_snprintf_error(end - pos, ret))
2319                 return pos;
2320         pos += ret;
2321         ret = wpa_write_ciphers(pos, end, cipher, "+");
2322         if (ret < 0)
2323                 return pos;
2324         pos += ret;
2325         return pos;
2326 }
2327
2328
2329 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
2330                                     const u8 *ie, size_t ie_len)
2331 {
2332         struct wpa_ie_data data;
2333         char *start;
2334         int ret;
2335
2336         ret = os_snprintf(pos, end - pos, "[%s-", proto);
2337         if (os_snprintf_error(end - pos, ret))
2338                 return pos;
2339         pos += ret;
2340
2341         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
2342                 ret = os_snprintf(pos, end - pos, "?]");
2343                 if (os_snprintf_error(end - pos, ret))
2344                         return pos;
2345                 pos += ret;
2346                 return pos;
2347         }
2348
2349         start = pos;
2350         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
2351                 ret = os_snprintf(pos, end - pos, "%sEAP",
2352                                   pos == start ? "" : "+");
2353                 if (os_snprintf_error(end - pos, ret))
2354                         return pos;
2355                 pos += ret;
2356         }
2357         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
2358                 ret = os_snprintf(pos, end - pos, "%sPSK",
2359                                   pos == start ? "" : "+");
2360                 if (os_snprintf_error(end - pos, ret))
2361                         return pos;
2362                 pos += ret;
2363         }
2364         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
2365                 ret = os_snprintf(pos, end - pos, "%sNone",
2366                                   pos == start ? "" : "+");
2367                 if (os_snprintf_error(end - pos, ret))
2368                         return pos;
2369                 pos += ret;
2370         }
2371         if (data.key_mgmt & WPA_KEY_MGMT_SAE) {
2372                 ret = os_snprintf(pos, end - pos, "%sSAE",
2373                                   pos == start ? "" : "+");
2374                 if (os_snprintf_error(end - pos, ret))
2375                         return pos;
2376                 pos += ret;
2377         }
2378 #ifdef CONFIG_IEEE80211R
2379         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
2380                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
2381                                   pos == start ? "" : "+");
2382                 if (os_snprintf_error(end - pos, ret))
2383                         return pos;
2384                 pos += ret;
2385         }
2386         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
2387                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
2388                                   pos == start ? "" : "+");
2389                 if (os_snprintf_error(end - pos, ret))
2390                         return pos;
2391                 pos += ret;
2392         }
2393         if (data.key_mgmt & WPA_KEY_MGMT_FT_SAE) {
2394                 ret = os_snprintf(pos, end - pos, "%sFT/SAE",
2395                                   pos == start ? "" : "+");
2396                 if (os_snprintf_error(end - pos, ret))
2397                         return pos;
2398                 pos += ret;
2399         }
2400 #endif /* CONFIG_IEEE80211R */
2401 #ifdef CONFIG_IEEE80211W
2402         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
2403                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
2404                                   pos == start ? "" : "+");
2405                 if (os_snprintf_error(end - pos, ret))
2406                         return pos;
2407                 pos += ret;
2408         }
2409         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
2410                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
2411                                   pos == start ? "" : "+");
2412                 if (os_snprintf_error(end - pos, ret))
2413                         return pos;
2414                 pos += ret;
2415         }
2416 #endif /* CONFIG_IEEE80211W */
2417
2418 #ifdef CONFIG_SUITEB
2419         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
2420                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B",
2421                                   pos == start ? "" : "+");
2422                 if (os_snprintf_error(end - pos, ret))
2423                         return pos;
2424                 pos += ret;
2425         }
2426 #endif /* CONFIG_SUITEB */
2427
2428 #ifdef CONFIG_SUITEB192
2429         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
2430                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B-192",
2431                                   pos == start ? "" : "+");
2432                 if (os_snprintf_error(end - pos, ret))
2433                         return pos;
2434                 pos += ret;
2435         }
2436 #endif /* CONFIG_SUITEB192 */
2437
2438         if (data.key_mgmt & WPA_KEY_MGMT_OSEN) {
2439                 ret = os_snprintf(pos, end - pos, "%sOSEN",
2440                                   pos == start ? "" : "+");
2441                 if (os_snprintf_error(end - pos, ret))
2442                         return pos;
2443                 pos += ret;
2444         }
2445
2446         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
2447
2448         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
2449                 ret = os_snprintf(pos, end - pos, "-preauth");
2450                 if (os_snprintf_error(end - pos, ret))
2451                         return pos;
2452                 pos += ret;
2453         }
2454
2455         ret = os_snprintf(pos, end - pos, "]");
2456         if (os_snprintf_error(end - pos, ret))
2457                 return pos;
2458         pos += ret;
2459
2460         return pos;
2461 }
2462
2463
2464 #ifdef CONFIG_WPS
2465 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
2466                                             char *pos, char *end,
2467                                             struct wpabuf *wps_ie)
2468 {
2469         int ret;
2470         const char *txt;
2471
2472         if (wps_ie == NULL)
2473                 return pos;
2474         if (wps_is_selected_pbc_registrar(wps_ie))
2475                 txt = "[WPS-PBC]";
2476         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
2477                 txt = "[WPS-AUTH]";
2478         else if (wps_is_selected_pin_registrar(wps_ie))
2479                 txt = "[WPS-PIN]";
2480         else
2481                 txt = "[WPS]";
2482
2483         ret = os_snprintf(pos, end - pos, "%s", txt);
2484         if (!os_snprintf_error(end - pos, ret))
2485                 pos += ret;
2486         wpabuf_free(wps_ie);
2487         return pos;
2488 }
2489 #endif /* CONFIG_WPS */
2490
2491
2492 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2493                                         char *pos, char *end,
2494                                         const struct wpa_bss *bss)
2495 {
2496 #ifdef CONFIG_WPS
2497         struct wpabuf *wps_ie;
2498         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2499         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2500 #else /* CONFIG_WPS */
2501         return pos;
2502 #endif /* CONFIG_WPS */
2503 }
2504
2505
2506 /* Format one result on one text line into a buffer. */
2507 static int wpa_supplicant_ctrl_iface_scan_result(
2508         struct wpa_supplicant *wpa_s,
2509         const struct wpa_bss *bss, char *buf, size_t buflen)
2510 {
2511         char *pos, *end;
2512         int ret;
2513         const u8 *ie, *ie2, *osen_ie, *p2p, *mesh;
2514
2515         mesh = wpa_bss_get_ie(bss, WLAN_EID_MESH_ID);
2516         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2517         if (!p2p)
2518                 p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2519         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2520             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2521             0)
2522                 return 0; /* Do not show P2P listen discovery results here */
2523
2524         pos = buf;
2525         end = buf + buflen;
2526
2527         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2528                           MAC2STR(bss->bssid), bss->freq, bss->level);
2529         if (os_snprintf_error(end - pos, ret))
2530                 return -1;
2531         pos += ret;
2532         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2533         if (ie)
2534                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2535         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2536         if (ie2) {
2537                 pos = wpa_supplicant_ie_txt(pos, end, mesh ? "RSN" : "WPA2",
2538                                             ie2, 2 + ie2[1]);
2539         }
2540         osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
2541         if (osen_ie)
2542                 pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
2543                                             osen_ie, 2 + osen_ie[1]);
2544         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2545         if (!ie && !ie2 && !osen_ie && (bss->caps & IEEE80211_CAP_PRIVACY)) {
2546                 ret = os_snprintf(pos, end - pos, "[WEP]");
2547                 if (os_snprintf_error(end - pos, ret))
2548                         return -1;
2549                 pos += ret;
2550         }
2551         if (mesh) {
2552                 ret = os_snprintf(pos, end - pos, "[MESH]");
2553                 if (os_snprintf_error(end - pos, ret))
2554                         return -1;
2555                 pos += ret;
2556         }
2557         if (bss_is_dmg(bss)) {
2558                 const char *s;
2559                 ret = os_snprintf(pos, end - pos, "[DMG]");
2560                 if (os_snprintf_error(end - pos, ret))
2561                         return -1;
2562                 pos += ret;
2563                 switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
2564                 case IEEE80211_CAP_DMG_IBSS:
2565                         s = "[IBSS]";
2566                         break;
2567                 case IEEE80211_CAP_DMG_AP:
2568                         s = "[ESS]";
2569                         break;
2570                 case IEEE80211_CAP_DMG_PBSS:
2571                         s = "[PBSS]";
2572                         break;
2573                 default:
2574                         s = "";
2575                         break;
2576                 }
2577                 ret = os_snprintf(pos, end - pos, "%s", s);
2578                 if (os_snprintf_error(end - pos, ret))
2579                         return -1;
2580                 pos += ret;
2581         } else {
2582                 if (bss->caps & IEEE80211_CAP_IBSS) {
2583                         ret = os_snprintf(pos, end - pos, "[IBSS]");
2584                         if (os_snprintf_error(end - pos, ret))
2585                                 return -1;
2586                         pos += ret;
2587                 }
2588                 if (bss->caps & IEEE80211_CAP_ESS) {
2589                         ret = os_snprintf(pos, end - pos, "[ESS]");
2590                         if (os_snprintf_error(end - pos, ret))
2591                                 return -1;
2592                         pos += ret;
2593                 }
2594         }
2595         if (p2p) {
2596                 ret = os_snprintf(pos, end - pos, "[P2P]");
2597                 if (os_snprintf_error(end - pos, ret))
2598                         return -1;
2599                 pos += ret;
2600         }
2601 #ifdef CONFIG_HS20
2602         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2603                 ret = os_snprintf(pos, end - pos, "[HS20]");
2604                 if (os_snprintf_error(end - pos, ret))
2605                         return -1;
2606                 pos += ret;
2607         }
2608 #endif /* CONFIG_HS20 */
2609 #ifdef CONFIG_FST
2610         if (wpa_bss_get_ie(bss, WLAN_EID_MULTI_BAND)) {
2611                 ret = os_snprintf(pos, end - pos, "[FST]");
2612                 if (os_snprintf_error(end - pos, ret))
2613                         return -1;
2614                 pos += ret;
2615         }
2616 #endif /* CONFIG_FST */
2617
2618         ret = os_snprintf(pos, end - pos, "\t%s",
2619                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2620         if (os_snprintf_error(end - pos, ret))
2621                 return -1;
2622         pos += ret;
2623
2624         ret = os_snprintf(pos, end - pos, "\n");
2625         if (os_snprintf_error(end - pos, ret))
2626                 return -1;
2627         pos += ret;
2628
2629         return pos - buf;
2630 }
2631
2632
2633 static int wpa_supplicant_ctrl_iface_scan_results(
2634         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2635 {
2636         char *pos, *end;
2637         struct wpa_bss *bss;
2638         int ret;
2639
2640         pos = buf;
2641         end = buf + buflen;
2642         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2643                           "flags / ssid\n");
2644         if (os_snprintf_error(end - pos, ret))
2645                 return pos - buf;
2646         pos += ret;
2647
2648         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2649                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2650                                                             end - pos);
2651                 if (ret < 0 || ret >= end - pos)
2652                         return pos - buf;
2653                 pos += ret;
2654         }
2655
2656         return pos - buf;
2657 }
2658
2659
2660 #ifdef CONFIG_MESH
2661
2662 static int wpa_supplicant_ctrl_iface_mesh_interface_add(
2663         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
2664 {
2665         char *pos, ifname[IFNAMSIZ + 1];
2666
2667         ifname[0] = '\0';
2668
2669         pos = os_strstr(cmd, "ifname=");
2670         if (pos) {
2671                 pos += 7;
2672                 os_strlcpy(ifname, pos, sizeof(ifname));
2673         }
2674
2675         if (wpas_mesh_add_interface(wpa_s, ifname, sizeof(ifname)) < 0)
2676                 return -1;
2677
2678         os_strlcpy(reply, ifname, max_len);
2679         return os_strlen(ifname);
2680 }
2681
2682
2683 static int wpa_supplicant_ctrl_iface_mesh_group_add(
2684         struct wpa_supplicant *wpa_s, char *cmd)
2685 {
2686         int id;
2687         struct wpa_ssid *ssid;
2688
2689         id = atoi(cmd);
2690         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_ADD id=%d", id);
2691
2692         ssid = wpa_config_get_network(wpa_s->conf, id);
2693         if (ssid == NULL) {
2694                 wpa_printf(MSG_DEBUG,
2695                            "CTRL_IFACE: Could not find network id=%d", id);
2696                 return -1;
2697         }
2698         if (ssid->mode != WPAS_MODE_MESH) {
2699                 wpa_printf(MSG_DEBUG,
2700                            "CTRL_IFACE: Cannot use MESH_GROUP_ADD on a non mesh network");
2701                 return -1;
2702         }
2703         if (ssid->key_mgmt != WPA_KEY_MGMT_NONE &&
2704             ssid->key_mgmt != WPA_KEY_MGMT_SAE) {
2705                 wpa_printf(MSG_ERROR,
2706                            "CTRL_IFACE: key_mgmt for mesh network should be open or SAE");
2707                 return -1;
2708         }
2709
2710         /*
2711          * TODO: If necessary write our own group_add function,
2712          * for now we can reuse select_network
2713          */
2714         wpa_supplicant_select_network(wpa_s, ssid);
2715
2716         return 0;
2717 }
2718
2719
2720 static int wpa_supplicant_ctrl_iface_mesh_group_remove(
2721         struct wpa_supplicant *wpa_s, char *cmd)
2722 {
2723         struct wpa_supplicant *orig;
2724         struct wpa_global *global;
2725         int found = 0;
2726
2727         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s", cmd);
2728
2729         global = wpa_s->global;
2730         orig = wpa_s;
2731
2732         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2733                 if (os_strcmp(wpa_s->ifname, cmd) == 0) {
2734                         found = 1;
2735                         break;
2736                 }
2737         }
2738         if (!found) {
2739                 wpa_printf(MSG_ERROR,
2740                            "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s not found",
2741                            cmd);
2742                 return -1;
2743         }
2744         if (wpa_s->mesh_if_created && wpa_s == orig) {
2745                 wpa_printf(MSG_ERROR,
2746                            "CTRL_IFACE: MESH_GROUP_REMOVE can't remove itself");
2747                 return -1;
2748         }
2749
2750         wpa_s->reassociate = 0;
2751         wpa_s->disconnected = 1;
2752         wpa_supplicant_cancel_sched_scan(wpa_s);
2753         wpa_supplicant_cancel_scan(wpa_s);
2754
2755         /*
2756          * TODO: If necessary write our own group_remove function,
2757          * for now we can reuse deauthenticate
2758          */
2759         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2760
2761         if (wpa_s->mesh_if_created)
2762                 wpa_supplicant_remove_iface(global, wpa_s, 0);
2763
2764         return 0;
2765 }
2766
2767
2768 static int wpa_supplicant_ctrl_iface_mesh_peer_remove(
2769         struct wpa_supplicant *wpa_s, char *cmd)
2770 {
2771         u8 addr[ETH_ALEN];
2772
2773         if (hwaddr_aton(cmd, addr) < 0)
2774                 return -1;
2775
2776         return wpas_mesh_peer_remove(wpa_s, addr);
2777 }
2778
2779
2780 static int wpa_supplicant_ctrl_iface_mesh_peer_add(
2781         struct wpa_supplicant *wpa_s, char *cmd)
2782 {
2783         u8 addr[ETH_ALEN];
2784         int duration;
2785         char *pos;
2786
2787         pos = os_strstr(cmd, " duration=");
2788         if (pos) {
2789                 *pos = '\0';
2790                 duration = atoi(pos + 10);
2791         } else {
2792                 duration = -1;
2793         }
2794
2795         if (hwaddr_aton(cmd, addr))
2796                 return -1;
2797
2798         return wpas_mesh_peer_add(wpa_s, addr, duration);
2799 }
2800
2801 #endif /* CONFIG_MESH */
2802
2803
2804 static int wpa_supplicant_ctrl_iface_select_network(
2805         struct wpa_supplicant *wpa_s, char *cmd)
2806 {
2807         int id;
2808         struct wpa_ssid *ssid;
2809         char *pos;
2810
2811         /* cmd: "<network id>" or "any" */
2812         if (os_strncmp(cmd, "any", 3) == 0) {
2813                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2814                 ssid = NULL;
2815         } else {
2816                 id = atoi(cmd);
2817                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2818
2819                 ssid = wpa_config_get_network(wpa_s->conf, id);
2820                 if (ssid == NULL) {
2821                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2822                                    "network id=%d", id);
2823                         return -1;
2824                 }
2825                 if (ssid->disabled == 2) {
2826                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2827                                    "SELECT_NETWORK with persistent P2P group");
2828                         return -1;
2829                 }
2830         }
2831
2832         pos = os_strstr(cmd, " freq=");
2833         if (pos) {
2834                 int *freqs = freq_range_to_channel_list(wpa_s, pos + 6);
2835                 if (freqs) {
2836                         wpa_s->scan_req = MANUAL_SCAN_REQ;
2837                         os_free(wpa_s->manual_scan_freqs);
2838                         wpa_s->manual_scan_freqs = freqs;
2839                 }
2840         }
2841
2842         wpa_s->scan_min_time.sec = 0;
2843         wpa_s->scan_min_time.usec = 0;
2844         wpa_supplicant_select_network(wpa_s, ssid);
2845
2846         return 0;
2847 }
2848
2849
2850 static int wpa_supplicant_ctrl_iface_enable_network(
2851         struct wpa_supplicant *wpa_s, char *cmd)
2852 {
2853         int id;
2854         struct wpa_ssid *ssid;
2855
2856         /* cmd: "<network id>" or "all" */
2857         if (os_strcmp(cmd, "all") == 0) {
2858                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2859                 ssid = NULL;
2860         } else {
2861                 id = atoi(cmd);
2862                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2863
2864                 ssid = wpa_config_get_network(wpa_s->conf, id);
2865                 if (ssid == NULL) {
2866                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2867                                    "network id=%d", id);
2868                         return -1;
2869                 }
2870                 if (ssid->disabled == 2) {
2871                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2872                                    "ENABLE_NETWORK with persistent P2P group");
2873                         return -1;
2874                 }
2875
2876                 if (os_strstr(cmd, " no-connect")) {
2877                         ssid->disabled = 0;
2878                         return 0;
2879                 }
2880         }
2881         wpa_s->scan_min_time.sec = 0;
2882         wpa_s->scan_min_time.usec = 0;
2883         wpa_supplicant_enable_network(wpa_s, ssid);
2884
2885         return 0;
2886 }
2887
2888
2889 static int wpa_supplicant_ctrl_iface_disable_network(
2890         struct wpa_supplicant *wpa_s, char *cmd)
2891 {
2892         int id;
2893         struct wpa_ssid *ssid;
2894
2895         /* cmd: "<network id>" or "all" */
2896         if (os_strcmp(cmd, "all") == 0) {
2897                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2898                 ssid = NULL;
2899         } else {
2900                 id = atoi(cmd);
2901                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2902
2903                 ssid = wpa_config_get_network(wpa_s->conf, id);
2904                 if (ssid == NULL) {
2905                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2906                                    "network id=%d", id);
2907                         return -1;
2908                 }
2909                 if (ssid->disabled == 2) {
2910                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2911                                    "DISABLE_NETWORK with persistent P2P "
2912                                    "group");
2913                         return -1;
2914                 }
2915         }
2916         wpa_supplicant_disable_network(wpa_s, ssid);
2917
2918         return 0;
2919 }
2920
2921
2922 static int wpa_supplicant_ctrl_iface_add_network(
2923         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2924 {
2925         struct wpa_ssid *ssid;
2926         int ret;
2927
2928         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2929
2930         ssid = wpa_supplicant_add_network(wpa_s);
2931         if (ssid == NULL)
2932                 return -1;
2933
2934         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2935         if (os_snprintf_error(buflen, ret))
2936                 return -1;
2937         return ret;
2938 }
2939
2940
2941 static int wpa_supplicant_ctrl_iface_remove_network(
2942         struct wpa_supplicant *wpa_s, char *cmd)
2943 {
2944         int id;
2945         struct wpa_ssid *ssid;
2946         int result;
2947
2948         /* cmd: "<network id>" or "all" */
2949         if (os_strcmp(cmd, "all") == 0) {
2950                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2951                 if (wpa_s->sched_scanning)
2952                         wpa_supplicant_cancel_sched_scan(wpa_s);
2953
2954                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2955                 if (wpa_s->current_ssid) {
2956 #ifdef CONFIG_SME
2957                         wpa_s->sme.prev_bssid_set = 0;
2958 #endif /* CONFIG_SME */
2959                         wpa_sm_set_config(wpa_s->wpa, NULL);
2960                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2961                         if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2962                                 wpa_s->own_disconnect_req = 1;
2963                         wpa_supplicant_deauthenticate(
2964                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2965                 }
2966                 ssid = wpa_s->conf->ssid;
2967                 while (ssid) {
2968                         struct wpa_ssid *remove_ssid = ssid;
2969                         id = ssid->id;
2970                         ssid = ssid->next;
2971                         if (wpa_s->last_ssid == remove_ssid)
2972                                 wpa_s->last_ssid = NULL;
2973                         wpas_notify_network_removed(wpa_s, remove_ssid);
2974                         wpa_config_remove_network(wpa_s->conf, id);
2975                 }
2976                 return 0;
2977         }
2978
2979         id = atoi(cmd);
2980         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2981
2982         result = wpa_supplicant_remove_network(wpa_s, id);
2983         if (result == -1) {
2984                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2985                            "id=%d", id);
2986                 return -1;
2987         }
2988         if (result == -2) {
2989                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2990                            "network id=%d", id);
2991                 return -1;
2992         }
2993         return 0;
2994 }
2995
2996
2997 static int wpa_supplicant_ctrl_iface_update_network(
2998         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
2999         char *name, char *value)
3000 {
3001         int ret;
3002
3003         ret = wpa_config_set(ssid, name, value, 0);
3004         if (ret < 0) {
3005                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
3006                            "variable '%s'", name);
3007                 return -1;
3008         }
3009         if (ret == 1)
3010                 return 0; /* No change to the previously configured value */
3011
3012         if (os_strcmp(name, "bssid") != 0 &&
3013             os_strcmp(name, "priority") != 0) {
3014                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
3015
3016                 if (wpa_s->current_ssid == ssid ||
3017                     wpa_s->current_ssid == NULL) {
3018                         /*
3019                          * Invalidate the EAP session cache if anything in the
3020                          * current or previously used configuration changes.
3021                          */
3022                         eapol_sm_invalidate_cached_session(wpa_s->eapol);
3023                 }
3024         }
3025
3026         if ((os_strcmp(name, "psk") == 0 &&
3027              value[0] == '"' && ssid->ssid_len) ||
3028             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
3029                 wpa_config_update_psk(ssid);
3030         else if (os_strcmp(name, "priority") == 0)
3031                 wpa_config_update_prio_list(wpa_s->conf);
3032
3033         return 0;
3034 }
3035
3036
3037 static int wpa_supplicant_ctrl_iface_set_network(
3038         struct wpa_supplicant *wpa_s, char *cmd)
3039 {
3040         int id, ret, prev_bssid_set, prev_disabled;
3041         struct wpa_ssid *ssid;
3042         char *name, *value;
3043         u8 prev_bssid[ETH_ALEN];
3044
3045         /* cmd: "<network id> <variable name> <value>" */
3046         name = os_strchr(cmd, ' ');
3047         if (name == NULL)
3048                 return -1;
3049         *name++ = '\0';
3050
3051         value = os_strchr(name, ' ');
3052         if (value == NULL)
3053                 return -1;
3054         *value++ = '\0';
3055
3056         id = atoi(cmd);
3057         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
3058                    id, name);
3059         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3060                               (u8 *) value, os_strlen(value));
3061
3062         ssid = wpa_config_get_network(wpa_s->conf, id);
3063         if (ssid == NULL) {
3064                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
3065                            "id=%d", id);
3066                 return -1;
3067         }
3068
3069         prev_bssid_set = ssid->bssid_set;
3070         prev_disabled = ssid->disabled;
3071         os_memcpy(prev_bssid, ssid->bssid, ETH_ALEN);
3072         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid, name,
3073                                                        value);
3074         if (ret == 0 &&
3075             (ssid->bssid_set != prev_bssid_set ||
3076              os_memcmp(ssid->bssid, prev_bssid, ETH_ALEN) != 0))
3077                 wpas_notify_network_bssid_set_changed(wpa_s, ssid);
3078
3079         if (prev_disabled != ssid->disabled &&
3080             (prev_disabled == 2 || ssid->disabled == 2))
3081                 wpas_notify_network_type_changed(wpa_s, ssid);
3082
3083         return ret;
3084 }
3085
3086
3087 static int wpa_supplicant_ctrl_iface_get_network(
3088         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
3089 {
3090         int id;
3091         size_t res;
3092         struct wpa_ssid *ssid;
3093         char *name, *value;
3094
3095         /* cmd: "<network id> <variable name>" */
3096         name = os_strchr(cmd, ' ');
3097         if (name == NULL || buflen == 0)
3098                 return -1;
3099         *name++ = '\0';
3100
3101         id = atoi(cmd);
3102         wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
3103                    id, name);
3104
3105         ssid = wpa_config_get_network(wpa_s->conf, id);
3106         if (ssid == NULL) {
3107                 wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: Could not find network "
3108                            "id=%d", id);
3109                 return -1;
3110         }
3111
3112         value = wpa_config_get_no_key(ssid, name);
3113         if (value == NULL) {
3114                 wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: Failed to get network "
3115                            "variable '%s'", name);
3116                 return -1;
3117         }
3118
3119         res = os_strlcpy(buf, value, buflen);
3120         if (res >= buflen) {
3121                 os_free(value);
3122                 return -1;
3123         }
3124
3125         os_free(value);
3126
3127         return res;
3128 }
3129
3130
3131 static int wpa_supplicant_ctrl_iface_dup_network(
3132         struct wpa_supplicant *wpa_s, char *cmd,
3133         struct wpa_supplicant *dst_wpa_s)
3134 {
3135         struct wpa_ssid *ssid_s, *ssid_d;
3136         char *name, *id, *value;
3137         int id_s, id_d, ret;
3138
3139         /* cmd: "<src network id> <dst network id> <variable name>" */
3140         id = os_strchr(cmd, ' ');
3141         if (id == NULL)
3142                 return -1;
3143         *id++ = '\0';
3144
3145         name = os_strchr(id, ' ');
3146         if (name == NULL)
3147                 return -1;
3148         *name++ = '\0';
3149
3150         id_s = atoi(cmd);
3151         id_d = atoi(id);
3152
3153         wpa_printf(MSG_DEBUG,
3154                    "CTRL_IFACE: DUP_NETWORK ifname=%s->%s id=%d->%d name='%s'",
3155                    wpa_s->ifname, dst_wpa_s->ifname, id_s, id_d, name);
3156
3157         ssid_s = wpa_config_get_network(wpa_s->conf, id_s);
3158         if (ssid_s == NULL) {
3159                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3160                            "network id=%d", id_s);
3161                 return -1;
3162         }
3163
3164         ssid_d = wpa_config_get_network(dst_wpa_s->conf, id_d);
3165         if (ssid_d == NULL) {
3166                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3167                            "network id=%d", id_d);
3168                 return -1;
3169         }
3170
3171         value = wpa_config_get(ssid_s, name);
3172         if (value == NULL) {
3173                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3174                            "variable '%s'", name);
3175                 return -1;
3176         }
3177
3178         ret = wpa_supplicant_ctrl_iface_update_network(dst_wpa_s, ssid_d, name,
3179                                                        value);
3180
3181         os_free(value);
3182
3183         return ret;
3184 }
3185
3186
3187 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
3188                                                 char *buf, size_t buflen)
3189 {
3190         char *pos, *end;
3191         struct wpa_cred *cred;
3192         int ret;
3193
3194         pos = buf;
3195         end = buf + buflen;
3196         ret = os_snprintf(pos, end - pos,
3197                           "cred id / realm / username / domain / imsi\n");
3198         if (os_snprintf_error(end - pos, ret))
3199                 return pos - buf;
3200         pos += ret;
3201
3202         cred = wpa_s->conf->cred;
3203         while (cred) {
3204                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
3205                                   cred->id, cred->realm ? cred->realm : "",
3206                                   cred->username ? cred->username : "",
3207                                   cred->domain ? cred->domain[0] : "",
3208                                   cred->imsi ? cred->imsi : "");
3209                 if (os_snprintf_error(end - pos, ret))
3210                         return pos - buf;
3211                 pos += ret;
3212
3213                 cred = cred->next;
3214         }
3215
3216         return pos - buf;
3217 }
3218
3219
3220 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
3221                                               char *buf, size_t buflen)
3222 {
3223         struct wpa_cred *cred;
3224         int ret;
3225
3226         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
3227
3228         cred = wpa_config_add_cred(wpa_s->conf);
3229         if (cred == NULL)
3230                 return -1;
3231
3232         wpa_msg(wpa_s, MSG_INFO, CRED_ADDED "%d", cred->id);
3233
3234         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
3235         if (os_snprintf_error(buflen, ret))
3236                 return -1;
3237         return ret;
3238 }
3239
3240
3241 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
3242                                  struct wpa_cred *cred)
3243 {
3244         struct wpa_ssid *ssid;
3245         char str[20];
3246         int id;
3247
3248         if (cred == NULL) {
3249                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3250                 return -1;
3251         }
3252
3253         id = cred->id;
3254         if (wpa_config_remove_cred(wpa_s->conf, id) < 0) {
3255                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3256                 return -1;
3257         }
3258
3259         wpa_msg(wpa_s, MSG_INFO, CRED_REMOVED "%d", id);
3260
3261         /* Remove any network entry created based on the removed credential */
3262         ssid = wpa_s->conf->ssid;
3263         while (ssid) {
3264                 if (ssid->parent_cred == cred) {
3265                         int res;
3266
3267                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
3268                                    "used the removed credential", ssid->id);
3269                         res = os_snprintf(str, sizeof(str), "%d", ssid->id);
3270                         if (os_snprintf_error(sizeof(str), res))
3271                                 str[sizeof(str) - 1] = '\0';
3272                         ssid = ssid->next;
3273                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
3274                 } else
3275                         ssid = ssid->next;
3276         }
3277
3278         return 0;
3279 }
3280
3281
3282 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
3283                                                  char *cmd)
3284 {
3285         int id;
3286         struct wpa_cred *cred, *prev;
3287
3288         /* cmd: "<cred id>", "all", "sp_fqdn=<FQDN>", or
3289          * "provisioning_sp=<FQDN> */
3290         if (os_strcmp(cmd, "all") == 0) {
3291                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
3292                 cred = wpa_s->conf->cred;
3293                 while (cred) {
3294                         prev = cred;
3295                         cred = cred->next;
3296                         wpas_ctrl_remove_cred(wpa_s, prev);
3297                 }
3298                 return 0;
3299         }
3300
3301         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
3302                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
3303                            cmd + 8);
3304                 cred = wpa_s->conf->cred;
3305                 while (cred) {
3306                         prev = cred;
3307                         cred = cred->next;
3308                         if (prev->domain) {
3309                                 size_t i;
3310                                 for (i = 0; i < prev->num_domain; i++) {
3311                                         if (os_strcmp(prev->domain[i], cmd + 8)
3312                                             != 0)
3313                                                 continue;
3314                                         wpas_ctrl_remove_cred(wpa_s, prev);
3315                                         break;
3316                                 }
3317                         }
3318                 }
3319                 return 0;
3320         }
3321
3322         if (os_strncmp(cmd, "provisioning_sp=", 16) == 0) {
3323                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED provisioning SP FQDN '%s'",
3324                            cmd + 16);
3325                 cred = wpa_s->conf->cred;
3326                 while (cred) {
3327                         prev = cred;
3328                         cred = cred->next;
3329                         if (prev->provisioning_sp &&
3330                             os_strcmp(prev->provisioning_sp, cmd + 16) == 0)
3331                                 wpas_ctrl_remove_cred(wpa_s, prev);
3332                 }
3333                 return 0;
3334         }
3335
3336         id = atoi(cmd);
3337         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
3338
3339         cred = wpa_config_get_cred(wpa_s->conf, id);
3340         return wpas_ctrl_remove_cred(wpa_s, cred);
3341 }
3342
3343
3344 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
3345                                               char *cmd)
3346 {
3347         int id;
3348         struct wpa_cred *cred;
3349         char *name, *value;
3350
3351         /* cmd: "<cred id> <variable name> <value>" */
3352         name = os_strchr(cmd, ' ');
3353         if (name == NULL)
3354                 return -1;
3355         *name++ = '\0';
3356
3357         value = os_strchr(name, ' ');
3358         if (value == NULL)
3359                 return -1;
3360         *value++ = '\0';
3361
3362         id = atoi(cmd);
3363         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
3364                    id, name);
3365         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3366                               (u8 *) value, os_strlen(value));
3367
3368         cred = wpa_config_get_cred(wpa_s->conf, id);
3369         if (cred == NULL) {
3370                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3371                            id);
3372                 return -1;
3373         }
3374
3375         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
3376                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
3377                            "variable '%s'", name);
3378                 return -1;
3379         }
3380
3381         wpa_msg(wpa_s, MSG_INFO, CRED_MODIFIED "%d %s", cred->id, name);
3382
3383         return 0;
3384 }
3385
3386
3387 static int wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant *wpa_s,
3388                                               char *cmd, char *buf,
3389                                               size_t buflen)
3390 {
3391         int id;
3392         size_t res;
3393         struct wpa_cred *cred;
3394         char *name, *value;
3395
3396         /* cmd: "<cred id> <variable name>" */
3397         name = os_strchr(cmd, ' ');
3398         if (name == NULL)
3399                 return -1;
3400         *name++ = '\0';
3401
3402         id = atoi(cmd);
3403         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CRED id=%d name='%s'",
3404                    id, name);
3405
3406         cred = wpa_config_get_cred(wpa_s->conf, id);
3407         if (cred == NULL) {
3408                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3409                            id);
3410                 return -1;
3411         }
3412
3413         value = wpa_config_get_cred_no_key(cred, name);
3414         if (value == NULL) {
3415                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get cred variable '%s'",
3416                            name);
3417                 return -1;
3418         }
3419
3420         res = os_strlcpy(buf, value, buflen);
3421         if (res >= buflen) {
3422                 os_free(value);
3423                 return -1;
3424         }
3425
3426         os_free(value);
3427
3428         return res;
3429 }
3430
3431
3432 #ifndef CONFIG_NO_CONFIG_WRITE
3433 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
3434 {
3435         int ret;
3436
3437         if (!wpa_s->conf->update_config) {
3438                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
3439                            "to update configuration (update_config=0)");
3440                 return -1;
3441         }
3442
3443         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
3444         if (ret) {
3445                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
3446                            "update configuration");
3447         } else {
3448                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
3449                            " updated");
3450         }
3451
3452         return ret;
3453 }
3454 #endif /* CONFIG_NO_CONFIG_WRITE */
3455
3456
3457 struct cipher_info {
3458         unsigned int capa;
3459         const char *name;
3460         int group_only;
3461 };
3462
3463 static const struct cipher_info ciphers[] = {
3464         { WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
3465         { WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
3466         { WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
3467         { WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
3468         { WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
3469         { WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
3470         { WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
3471         { WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
3472 };
3473
3474 static const struct cipher_info ciphers_group_mgmt[] = {
3475         { WPA_DRIVER_CAPA_ENC_BIP, "AES-128-CMAC", 1 },
3476         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_128, "BIP-GMAC-128", 1 },
3477         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_256, "BIP-GMAC-256", 1 },
3478         { WPA_DRIVER_CAPA_ENC_BIP_CMAC_256, "BIP-CMAC-256", 1 },
3479 };
3480
3481
3482 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
3483                                               struct wpa_driver_capa *capa,
3484                                               char *buf, size_t buflen)
3485 {
3486         int ret;
3487         char *pos, *end;
3488         size_t len;
3489         unsigned int i;
3490
3491         pos = buf;
3492         end = pos + buflen;
3493
3494         if (res < 0) {
3495                 if (strict)
3496                         return 0;
3497                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
3498                 if (len >= buflen)
3499                         return -1;
3500                 return len;
3501         }
3502
3503         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3504                 if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
3505                         ret = os_snprintf(pos, end - pos, "%s%s",
3506                                           pos == buf ? "" : " ",
3507                                           ciphers[i].name);
3508                         if (os_snprintf_error(end - pos, ret))
3509                                 return pos - buf;
3510                         pos += ret;
3511                 }
3512         }
3513
3514         return pos - buf;
3515 }
3516
3517
3518 static int ctrl_iface_get_capability_group(int res, char *strict,
3519                                            struct wpa_driver_capa *capa,
3520                                            char *buf, size_t buflen)
3521 {
3522         int ret;
3523         char *pos, *end;
3524         size_t len;
3525         unsigned int i;
3526
3527         pos = buf;
3528         end = pos + buflen;
3529
3530         if (res < 0) {
3531                 if (strict)
3532                         return 0;
3533                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
3534                 if (len >= buflen)
3535                         return -1;
3536                 return len;
3537         }
3538
3539         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3540                 if (capa->enc & ciphers[i].capa) {
3541                         ret = os_snprintf(pos, end - pos, "%s%s",
3542                                           pos == buf ? "" : " ",
3543                                           ciphers[i].name);
3544                         if (os_snprintf_error(end - pos, ret))
3545                                 return pos - buf;
3546                         pos += ret;
3547                 }
3548         }
3549
3550         return pos - buf;
3551 }
3552
3553
3554 static int ctrl_iface_get_capability_group_mgmt(int res, char *strict,
3555                                                 struct wpa_driver_capa *capa,
3556                                                 char *buf, size_t buflen)
3557 {
3558         int ret;
3559         char *pos, *end;
3560         unsigned int i;
3561
3562         pos = buf;
3563         end = pos + buflen;
3564
3565         if (res < 0)
3566                 return 0;
3567
3568         for (i = 0; i < ARRAY_SIZE(ciphers_group_mgmt); i++) {
3569                 if (capa->enc & ciphers_group_mgmt[i].capa) {
3570                         ret = os_snprintf(pos, end - pos, "%s%s",
3571                                           pos == buf ? "" : " ",
3572                                           ciphers_group_mgmt[i].name);
3573                         if (os_snprintf_error(end - pos, ret))
3574                                 return pos - buf;
3575                         pos += ret;
3576                 }
3577         }
3578
3579         return pos - buf;
3580 }
3581
3582
3583 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
3584                                               struct wpa_driver_capa *capa,
3585                                               char *buf, size_t buflen)
3586 {
3587         int ret;
3588         char *pos, *end;
3589         size_t len;
3590
3591         pos = buf;
3592         end = pos + buflen;
3593
3594         if (res < 0) {
3595                 if (strict)
3596                         return 0;
3597                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
3598                                  "NONE", buflen);
3599                 if (len >= buflen)
3600                         return -1;
3601                 return len;
3602         }
3603
3604         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
3605         if (os_snprintf_error(end - pos, ret))
3606                 return pos - buf;
3607         pos += ret;
3608
3609         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3610                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
3611                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
3612                 if (os_snprintf_error(end - pos, ret))
3613                         return pos - buf;
3614                 pos += ret;
3615         }
3616
3617         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3618                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3619                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
3620                 if (os_snprintf_error(end - pos, ret))
3621                         return pos - buf;
3622                 pos += ret;
3623         }
3624
3625         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
3626                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
3627                 if (os_snprintf_error(end - pos, ret))
3628                         return pos - buf;
3629                 pos += ret;
3630         }
3631
3632 #ifdef CONFIG_SUITEB
3633         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B) {
3634                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B");
3635                 if (os_snprintf_error(end - pos, ret))
3636                         return pos - buf;
3637                 pos += ret;
3638         }
3639 #endif /* CONFIG_SUITEB */
3640 #ifdef CONFIG_SUITEB192
3641         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192) {
3642                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B-192");
3643                 if (os_snprintf_error(end - pos, ret))
3644                         return pos - buf;
3645                 pos += ret;
3646         }
3647 #endif /* CONFIG_SUITEB192 */
3648
3649         return pos - buf;
3650 }
3651
3652
3653 static int ctrl_iface_get_capability_proto(int res, char *strict,
3654                                            struct wpa_driver_capa *capa,
3655                                            char *buf, size_t buflen)
3656 {
3657         int ret;
3658         char *pos, *end;
3659         size_t len;
3660
3661         pos = buf;
3662         end = pos + buflen;
3663
3664         if (res < 0) {
3665                 if (strict)
3666                         return 0;
3667                 len = os_strlcpy(buf, "RSN WPA", buflen);
3668                 if (len >= buflen)
3669                         return -1;
3670                 return len;
3671         }
3672
3673         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3674                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3675                 ret = os_snprintf(pos, end - pos, "%sRSN",
3676                                   pos == buf ? "" : " ");
3677                 if (os_snprintf_error(end - pos, ret))
3678                         return pos - buf;
3679                 pos += ret;
3680         }
3681
3682         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3683                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
3684                 ret = os_snprintf(pos, end - pos, "%sWPA",
3685                                   pos == buf ? "" : " ");
3686                 if (os_snprintf_error(end - pos, ret))
3687                         return pos - buf;
3688                 pos += ret;
3689         }
3690
3691         return pos - buf;
3692 }
3693
3694
3695 static int ctrl_iface_get_capability_auth_alg(struct wpa_supplicant *wpa_s,
3696                                               int res, char *strict,
3697                                               struct wpa_driver_capa *capa,
3698                                               char *buf, size_t buflen)
3699 {
3700         int ret;
3701         char *pos, *end;
3702         size_t len;
3703
3704         pos = buf;
3705         end = pos + buflen;
3706
3707         if (res < 0) {
3708                 if (strict)
3709                         return 0;
3710                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3711                 if (len >= buflen)
3712                         return -1;
3713                 return len;
3714         }
3715
3716         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3717                 ret = os_snprintf(pos, end - pos, "%sOPEN",
3718                                   pos == buf ? "" : " ");
3719                 if (os_snprintf_error(end - pos, ret))
3720                         return pos - buf;
3721                 pos += ret;
3722         }
3723
3724         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
3725                 ret = os_snprintf(pos, end - pos, "%sSHARED",
3726                                   pos == buf ? "" : " ");
3727                 if (os_snprintf_error(end - pos, ret))
3728                         return pos - buf;
3729                 pos += ret;
3730         }
3731
3732         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3733                 ret = os_snprintf(pos, end - pos, "%sLEAP",
3734                                   pos == buf ? "" : " ");
3735                 if (os_snprintf_error(end - pos, ret))
3736                         return pos - buf;
3737                 pos += ret;
3738         }
3739
3740 #ifdef CONFIG_SAE
3741         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE) {
3742                 ret = os_snprintf(pos, end - pos, "%sSAE",
3743                                   pos == buf ? "" : " ");
3744                 if (os_snprintf_error(end - pos, ret))
3745                         return pos - buf;
3746                 pos += ret;
3747         }
3748 #endif /* CONFIG_SAE */
3749
3750         return pos - buf;
3751 }
3752
3753
3754 static int ctrl_iface_get_capability_modes(int res, char *strict,
3755                                            struct wpa_driver_capa *capa,
3756                                            char *buf, size_t buflen)
3757 {
3758         int ret;
3759         char *pos, *end;
3760         size_t len;
3761
3762         pos = buf;
3763         end = pos + buflen;
3764
3765         if (res < 0) {
3766                 if (strict)
3767                         return 0;
3768                 len = os_strlcpy(buf, "IBSS AP", buflen);
3769                 if (len >= buflen)
3770                         return -1;
3771                 return len;
3772         }
3773
3774         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3775                 ret = os_snprintf(pos, end - pos, "%sIBSS",
3776                                   pos == buf ? "" : " ");
3777                 if (os_snprintf_error(end - pos, ret))
3778                         return pos - buf;
3779                 pos += ret;
3780         }
3781
3782         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3783                 ret = os_snprintf(pos, end - pos, "%sAP",
3784                                   pos == buf ? "" : " ");
3785                 if (os_snprintf_error(end - pos, ret))
3786                         return pos - buf;
3787                 pos += ret;
3788         }
3789
3790 #ifdef CONFIG_MESH
3791         if (capa->flags & WPA_DRIVER_FLAGS_MESH) {
3792                 ret = os_snprintf(pos, end - pos, "%sMESH",
3793                                   pos == buf ? "" : " ");
3794                 if (os_snprintf_error(end - pos, ret))
3795                         return pos - buf;
3796                 pos += ret;
3797         }
3798 #endif /* CONFIG_MESH */
3799
3800         return pos - buf;
3801 }
3802
3803
3804 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3805                                               char *buf, size_t buflen)
3806 {
3807         struct hostapd_channel_data *chnl;
3808         int ret, i, j;
3809         char *pos, *end, *hmode;
3810
3811         pos = buf;
3812         end = pos + buflen;
3813
3814         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3815                 switch (wpa_s->hw.modes[j].mode) {
3816                 case HOSTAPD_MODE_IEEE80211B:
3817                         hmode = "B";
3818                         break;
3819                 case HOSTAPD_MODE_IEEE80211G:
3820                         hmode = "G";
3821                         break;
3822                 case HOSTAPD_MODE_IEEE80211A:
3823                         hmode = "A";
3824                         break;
3825                 case HOSTAPD_MODE_IEEE80211AD:
3826                         hmode = "AD";
3827                         break;
3828                 default:
3829                         continue;
3830                 }
3831                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3832                 if (os_snprintf_error(end - pos, ret))
3833                         return pos - buf;
3834                 pos += ret;
3835                 chnl = wpa_s->hw.modes[j].channels;
3836                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3837                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3838                                 continue;
3839                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3840                         if (os_snprintf_error(end - pos, ret))
3841                                 return pos - buf;
3842                         pos += ret;
3843                 }
3844                 ret = os_snprintf(pos, end - pos, "\n");
3845                 if (os_snprintf_error(end - pos, ret))
3846                         return pos - buf;
3847                 pos += ret;
3848         }
3849
3850         return pos - buf;
3851 }
3852
3853
3854 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3855                                           char *buf, size_t buflen)
3856 {
3857         struct hostapd_channel_data *chnl;
3858         int ret, i, j;
3859         char *pos, *end, *hmode;
3860
3861         pos = buf;
3862         end = pos + buflen;
3863
3864         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3865                 switch (wpa_s->hw.modes[j].mode) {
3866                 case HOSTAPD_MODE_IEEE80211B:
3867                         hmode = "B";
3868                         break;
3869                 case HOSTAPD_MODE_IEEE80211G:
3870                         hmode = "G";
3871                         break;
3872                 case HOSTAPD_MODE_IEEE80211A:
3873                         hmode = "A";
3874                         break;
3875                 case HOSTAPD_MODE_IEEE80211AD:
3876                         hmode = "AD";
3877                         break;
3878                 default:
3879                         continue;
3880                 }
3881                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3882                                   hmode);
3883                 if (os_snprintf_error(end - pos, ret))
3884                         return pos - buf;
3885                 pos += ret;
3886                 chnl = wpa_s->hw.modes[j].channels;
3887                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3888                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3889                                 continue;
3890                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s%s\n",
3891                                           chnl[i].chan, chnl[i].freq,
3892                                           chnl[i].flag & HOSTAPD_CHAN_NO_IR ?
3893                                           " (NO_IR)" : "",
3894                                           chnl[i].flag & HOSTAPD_CHAN_RADAR ?
3895                                           " (DFS)" : "");
3896
3897                         if (os_snprintf_error(end - pos, ret))
3898                                 return pos - buf;
3899                         pos += ret;
3900                 }
3901                 ret = os_snprintf(pos, end - pos, "\n");
3902                 if (os_snprintf_error(end - pos, ret))
3903                         return pos - buf;
3904                 pos += ret;
3905         }
3906
3907         return pos - buf;
3908 }
3909
3910
3911 static int wpa_supplicant_ctrl_iface_get_capability(
3912         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3913         size_t buflen)
3914 {
3915         struct wpa_driver_capa capa;
3916         int res;
3917         char *strict;
3918         char field[30];
3919         size_t len;
3920
3921         /* Determine whether or not strict checking was requested */
3922         len = os_strlcpy(field, _field, sizeof(field));
3923         if (len >= sizeof(field))
3924                 return -1;
3925         strict = os_strchr(field, ' ');
3926         if (strict != NULL) {
3927                 *strict++ = '\0';
3928                 if (os_strcmp(strict, "strict") != 0)
3929                         return -1;
3930         }
3931
3932         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3933                 field, strict ? strict : "");
3934
3935         if (os_strcmp(field, "eap") == 0) {
3936                 return eap_get_names(buf, buflen);
3937         }
3938
3939         res = wpa_drv_get_capa(wpa_s, &capa);
3940
3941         if (os_strcmp(field, "pairwise") == 0)
3942                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3943                                                           buf, buflen);
3944
3945         if (os_strcmp(field, "group") == 0)
3946                 return ctrl_iface_get_capability_group(res, strict, &capa,
3947                                                        buf, buflen);
3948
3949         if (os_strcmp(field, "group_mgmt") == 0)
3950                 return ctrl_iface_get_capability_group_mgmt(res, strict, &capa,
3951                                                             buf, buflen);
3952
3953         if (os_strcmp(field, "key_mgmt") == 0)
3954                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3955                                                           buf, buflen);
3956
3957         if (os_strcmp(field, "proto") == 0)
3958                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3959                                                        buf, buflen);
3960
3961         if (os_strcmp(field, "auth_alg") == 0)
3962                 return ctrl_iface_get_capability_auth_alg(wpa_s, res, strict,
3963                                                           &capa, buf, buflen);
3964
3965         if (os_strcmp(field, "modes") == 0)
3966                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3967                                                        buf, buflen);
3968
3969         if (os_strcmp(field, "channels") == 0)
3970                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3971
3972         if (os_strcmp(field, "freq") == 0)
3973                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3974
3975 #ifdef CONFIG_TDLS
3976         if (os_strcmp(field, "tdls") == 0)
3977                 return ctrl_iface_get_capability_tdls(wpa_s, buf, buflen);
3978 #endif /* CONFIG_TDLS */
3979
3980 #ifdef CONFIG_ERP
3981         if (os_strcmp(field, "erp") == 0) {
3982                 res = os_snprintf(buf, buflen, "ERP");
3983                 if (os_snprintf_error(buflen, res))
3984                         return -1;
3985                 return res;
3986         }
3987 #endif /* CONFIG_EPR */
3988
3989 #ifdef CONFIG_FIPS
3990         if (os_strcmp(field, "fips") == 0) {
3991                 res = os_snprintf(buf, buflen, "FIPS");
3992                 if (os_snprintf_error(buflen, res))
3993                         return -1;
3994                 return res;
3995         }
3996 #endif /* CONFIG_FIPS */
3997
3998 #ifdef CONFIG_ACS
3999         if (os_strcmp(field, "acs") == 0) {
4000                 res = os_snprintf(buf, buflen, "ACS");
4001                 if (os_snprintf_error(buflen, res))
4002                         return -1;
4003                 return res;
4004         }
4005 #endif /* CONFIG_ACS */
4006
4007         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
4008                    field);
4009
4010         return -1;
4011 }
4012
4013
4014 #ifdef CONFIG_INTERWORKING
4015 static char * anqp_add_hex(char *pos, char *end, const char *title,
4016                            struct wpabuf *data)
4017 {
4018         char *start = pos;
4019         size_t i;
4020         int ret;
4021         const u8 *d;
4022
4023         if (data == NULL)
4024                 return start;
4025
4026         ret = os_snprintf(pos, end - pos, "%s=", title);
4027         if (os_snprintf_error(end - pos, ret))
4028                 return start;
4029         pos += ret;
4030
4031         d = wpabuf_head_u8(data);
4032         for (i = 0; i < wpabuf_len(data); i++) {
4033                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
4034                 if (os_snprintf_error(end - pos, ret))
4035                         return start;
4036                 pos += ret;
4037         }
4038
4039         ret = os_snprintf(pos, end - pos, "\n");
4040         if (os_snprintf_error(end - pos, ret))
4041                 return start;
4042         pos += ret;
4043
4044         return pos;
4045 }
4046 #endif /* CONFIG_INTERWORKING */
4047
4048
4049 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
4050                           unsigned long mask, char *buf, size_t buflen)
4051 {
4052         size_t i;
4053         int ret;
4054         char *pos, *end;
4055         const u8 *ie, *ie2, *osen_ie;
4056
4057         pos = buf;
4058         end = buf + buflen;
4059
4060         if (mask & WPA_BSS_MASK_ID) {
4061                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
4062                 if (os_snprintf_error(end - pos, ret))
4063                         return 0;
4064                 pos += ret;
4065         }
4066
4067         if (mask & WPA_BSS_MASK_BSSID) {
4068                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
4069                                   MAC2STR(bss->bssid));
4070                 if (os_snprintf_error(end - pos, ret))
4071                         return 0;
4072                 pos += ret;
4073         }
4074
4075         if (mask & WPA_BSS_MASK_FREQ) {
4076                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
4077                 if (os_snprintf_error(end - pos, ret))
4078                         return 0;
4079                 pos += ret;
4080         }
4081
4082         if (mask & WPA_BSS_MASK_BEACON_INT) {
4083                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
4084                                   bss->beacon_int);
4085                 if (os_snprintf_error(end - pos, ret))
4086                         return 0;
4087                 pos += ret;
4088         }
4089
4090         if (mask & WPA_BSS_MASK_CAPABILITIES) {
4091                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
4092                                   bss->caps);
4093                 if (os_snprintf_error(end - pos, ret))
4094                         return 0;
4095                 pos += ret;
4096         }
4097
4098         if (mask & WPA_BSS_MASK_QUAL) {
4099                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
4100                 if (os_snprintf_error(end - pos, ret))
4101                         return 0;
4102                 pos += ret;
4103         }
4104
4105         if (mask & WPA_BSS_MASK_NOISE) {
4106                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
4107                 if (os_snprintf_error(end - pos, ret))
4108                         return 0;
4109                 pos += ret;
4110         }
4111
4112         if (mask & WPA_BSS_MASK_LEVEL) {
4113                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
4114                 if (os_snprintf_error(end - pos, ret))
4115                         return 0;
4116                 pos += ret;
4117         }
4118
4119         if (mask & WPA_BSS_MASK_TSF) {
4120                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
4121                                   (unsigned long long) bss->tsf);
4122                 if (os_snprintf_error(end - pos, ret))
4123                         return 0;
4124                 pos += ret;
4125         }
4126
4127         if (mask & WPA_BSS_MASK_AGE) {
4128                 struct os_reltime now;
4129
4130                 os_get_reltime(&now);
4131                 ret = os_snprintf(pos, end - pos, "age=%d\n",
4132                                   (int) (now.sec - bss->last_update.sec));
4133                 if (os_snprintf_error(end - pos, ret))
4134                         return 0;
4135                 pos += ret;
4136         }
4137
4138         if (mask & WPA_BSS_MASK_IE) {
4139                 ret = os_snprintf(pos, end - pos, "ie=");
4140                 if (os_snprintf_error(end - pos, ret))
4141                         return 0;
4142                 pos += ret;
4143
4144                 ie = (const u8 *) (bss + 1);
4145                 for (i = 0; i < bss->ie_len; i++) {
4146                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
4147                         if (os_snprintf_error(end - pos, ret))
4148                                 return 0;
4149                         pos += ret;
4150                 }
4151
4152                 ret = os_snprintf(pos, end - pos, "\n");
4153                 if (os_snprintf_error(end - pos, ret))
4154                         return 0;
4155                 pos += ret;
4156         }
4157
4158         if (mask & WPA_BSS_MASK_FLAGS) {
4159                 ret = os_snprintf(pos, end - pos, "flags=");
4160                 if (os_snprintf_error(end - pos, ret))
4161                         return 0;
4162                 pos += ret;
4163
4164                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
4165                 if (ie)
4166                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
4167                                                     2 + ie[1]);
4168                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
4169                 if (ie2)
4170                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
4171                                                     2 + ie2[1]);
4172                 osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
4173                 if (osen_ie)
4174                         pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
4175                                                     osen_ie, 2 + osen_ie[1]);
4176                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
4177                 if (!ie && !ie2 && !osen_ie &&
4178                     (bss->caps & IEEE80211_CAP_PRIVACY)) {
4179                         ret = os_snprintf(pos, end - pos, "[WEP]");
4180                         if (os_snprintf_error(end - pos, ret))
4181                                 return 0;
4182                         pos += ret;
4183                 }
4184                 if (bss_is_dmg(bss)) {
4185                         const char *s;
4186                         ret = os_snprintf(pos, end - pos, "[DMG]");
4187                         if (os_snprintf_error(end - pos, ret))
4188                                 return 0;
4189                         pos += ret;
4190                         switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
4191                         case IEEE80211_CAP_DMG_IBSS:
4192                                 s = "[IBSS]";
4193                                 break;
4194                         case IEEE80211_CAP_DMG_AP:
4195                                 s = "[ESS]";
4196                                 break;
4197                         case IEEE80211_CAP_DMG_PBSS:
4198                                 s = "[PBSS]";
4199                                 break;
4200                         default:
4201                                 s = "";
4202                                 break;
4203                         }
4204                         ret = os_snprintf(pos, end - pos, "%s", s);
4205                         if (os_snprintf_error(end - pos, ret))
4206                                 return 0;
4207                         pos += ret;
4208                 } else {
4209                         if (bss->caps & IEEE80211_CAP_IBSS) {
4210                                 ret = os_snprintf(pos, end - pos, "[IBSS]");
4211                                 if (os_snprintf_error(end - pos, ret))
4212                                         return 0;
4213                                 pos += ret;
4214                         }
4215                         if (bss->caps & IEEE80211_CAP_ESS) {
4216                                 ret = os_snprintf(pos, end - pos, "[ESS]");
4217                                 if (os_snprintf_error(end - pos, ret))
4218                                         return 0;
4219                                 pos += ret;
4220                         }
4221                 }
4222                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
4223                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
4224                         ret = os_snprintf(pos, end - pos, "[P2P]");
4225                         if (os_snprintf_error(end - pos, ret))
4226                                 return 0;
4227                         pos += ret;
4228                 }
4229 #ifdef CONFIG_HS20
4230                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
4231                         ret = os_snprintf(pos, end - pos, "[HS20]");
4232                         if (os_snprintf_error(end - pos, ret))
4233                                 return 0;
4234                         pos += ret;
4235                 }
4236 #endif /* CONFIG_HS20 */
4237
4238                 ret = os_snprintf(pos, end - pos, "\n");
4239                 if (os_snprintf_error(end - pos, ret))
4240                         return 0;
4241                 pos += ret;
4242         }
4243
4244         if (mask & WPA_BSS_MASK_SSID) {
4245                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
4246                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
4247                 if (os_snprintf_error(end - pos, ret))
4248                         return 0;
4249                 pos += ret;
4250         }
4251
4252 #ifdef CONFIG_WPS
4253         if (mask & WPA_BSS_MASK_WPS_SCAN) {
4254                 ie = (const u8 *) (bss + 1);
4255                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
4256                 if (ret >= end - pos)
4257                         return 0;
4258                 if (ret > 0)
4259                         pos += ret;
4260         }
4261 #endif /* CONFIG_WPS */
4262
4263 #ifdef CONFIG_P2P
4264         if (mask & WPA_BSS_MASK_P2P_SCAN) {
4265                 ie = (const u8 *) (bss + 1);
4266                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
4267                 if (ret >= end - pos)
4268                         return 0;
4269                 if (ret > 0)
4270                         pos += ret;
4271         }
4272 #endif /* CONFIG_P2P */
4273
4274 #ifdef CONFIG_WIFI_DISPLAY
4275         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
4276                 struct wpabuf *wfd;
4277                 ie = (const u8 *) (bss + 1);
4278                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
4279                                                   WFD_IE_VENDOR_TYPE);
4280                 if (wfd) {
4281                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
4282                         if (os_snprintf_error(end - pos, ret)) {
4283                                 wpabuf_free(wfd);
4284                                 return 0;
4285                         }
4286                         pos += ret;
4287
4288                         pos += wpa_snprintf_hex(pos, end - pos,
4289                                                 wpabuf_head(wfd),
4290                                                 wpabuf_len(wfd));
4291                         wpabuf_free(wfd);
4292
4293                         ret = os_snprintf(pos, end - pos, "\n");
4294                         if (os_snprintf_error(end - pos, ret))
4295                                 return 0;
4296                         pos += ret;
4297                 }
4298         }
4299 #endif /* CONFIG_WIFI_DISPLAY */
4300
4301 #ifdef CONFIG_INTERWORKING
4302         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
4303                 struct wpa_bss_anqp *anqp = bss->anqp;
4304                 struct wpa_bss_anqp_elem *elem;
4305
4306                 pos = anqp_add_hex(pos, end, "anqp_capability_list",
4307                                    anqp->capability_list);
4308                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
4309                                    anqp->venue_name);
4310                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
4311                                    anqp->network_auth_type);
4312                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
4313                                    anqp->roaming_consortium);
4314                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
4315                                    anqp->ip_addr_type_availability);
4316                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
4317                                    anqp->nai_realm);
4318                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
4319                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
4320                                    anqp->domain_name);
4321 #ifdef CONFIG_HS20
4322                 pos = anqp_add_hex(pos, end, "hs20_capability_list",
4323                                    anqp->hs20_capability_list);
4324                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
4325                                    anqp->hs20_operator_friendly_name);
4326                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
4327                                    anqp->hs20_wan_metrics);
4328                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
4329                                    anqp->hs20_connection_capability);
4330                 pos = anqp_add_hex(pos, end, "hs20_operating_class",
4331                                    anqp->hs20_operating_class);
4332                 pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
4333                                    anqp->hs20_osu_providers_list);
4334 #endif /* CONFIG_HS20 */
4335
4336                 dl_list_for_each(elem, &anqp->anqp_elems,
4337                                  struct wpa_bss_anqp_elem, list) {
4338                         char title[20];
4339
4340                         os_snprintf(title, sizeof(title), "anqp[%u]",
4341                                     elem->infoid);
4342                         pos = anqp_add_hex(pos, end, title, elem->payload);
4343                 }
4344         }
4345 #endif /* CONFIG_INTERWORKING */
4346
4347 #ifdef CONFIG_MESH
4348         if (mask & WPA_BSS_MASK_MESH_SCAN) {
4349                 ie = (const u8 *) (bss + 1);
4350                 ret = wpas_mesh_scan_result_text(ie, bss->ie_len, pos, end);
4351                 if (ret >= end - pos)
4352                         return 0;
4353                 if (ret > 0)
4354                         pos += ret;
4355         }
4356 #endif /* CONFIG_MESH */
4357
4358         if (mask & WPA_BSS_MASK_SNR) {
4359                 ret = os_snprintf(pos, end - pos, "snr=%d\n", bss->snr);
4360                 if (os_snprintf_error(end - pos, ret))
4361                         return 0;
4362                 pos += ret;
4363         }
4364
4365         if (mask & WPA_BSS_MASK_EST_THROUGHPUT) {
4366                 ret = os_snprintf(pos, end - pos, "est_throughput=%d\n",
4367                                   bss->est_throughput);
4368                 if (os_snprintf_error(end - pos, ret))
4369                         return 0;
4370                 pos += ret;
4371         }
4372
4373 #ifdef CONFIG_FST
4374         if (mask & WPA_BSS_MASK_FST) {
4375                 ret = fst_ctrl_iface_mb_info(bss->bssid, pos, end - pos);
4376                 if (ret < 0 || ret >= end - pos)
4377                         return 0;
4378                 pos += ret;
4379         }
4380 #endif /* CONFIG_FST */
4381
4382         if (mask & WPA_BSS_MASK_DELIM) {
4383                 ret = os_snprintf(pos, end - pos, "====\n");
4384                 if (os_snprintf_error(end - pos, ret))
4385                         return 0;
4386                 pos += ret;
4387         }
4388
4389         return pos - buf;
4390 }
4391
4392
4393 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
4394                                          const char *cmd, char *buf,
4395                                          size_t buflen)
4396 {
4397         u8 bssid[ETH_ALEN];
4398         size_t i;
4399         struct wpa_bss *bss;
4400         struct wpa_bss *bsslast = NULL;
4401         struct dl_list *next;
4402         int ret = 0;
4403         int len;
4404         char *ctmp, *end = buf + buflen;
4405         unsigned long mask = WPA_BSS_MASK_ALL;
4406
4407         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
4408                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
4409                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
4410                                             list_id);
4411                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
4412                                                list_id);
4413                 } else { /* N1-N2 */
4414                         unsigned int id1, id2;
4415
4416                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
4417                                 wpa_printf(MSG_INFO, "Wrong BSS range "
4418                                            "format");
4419                                 return 0;
4420                         }
4421
4422                         if (*(cmd + 6) == '-')
4423                                 id1 = 0;
4424                         else
4425                                 id1 = atoi(cmd + 6);
4426                         ctmp++;
4427                         if (*ctmp >= '0' && *ctmp <= '9')
4428                                 id2 = atoi(ctmp);
4429                         else
4430                                 id2 = (unsigned int) -1;
4431                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
4432                         if (id2 == (unsigned int) -1)
4433                                 bsslast = dl_list_last(&wpa_s->bss_id,
4434                                                        struct wpa_bss,
4435                                                        list_id);
4436                         else {
4437                                 bsslast = wpa_bss_get_id(wpa_s, id2);
4438                                 if (bsslast == NULL && bss && id2 > id1) {
4439                                         struct wpa_bss *tmp = bss;
4440                                         for (;;) {
4441                                                 next = tmp->list_id.next;
4442                                                 if (next == &wpa_s->bss_id)
4443                                                         break;
4444                                                 tmp = dl_list_entry(
4445                                                         next, struct wpa_bss,
4446                                                         list_id);
4447                                                 if (tmp->id > id2)
4448                                                         break;
4449                                                 bsslast = tmp;
4450                                         }
4451                                 }
4452                         }
4453                 }
4454         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
4455                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
4456         else if (os_strncmp(cmd, "LAST", 4) == 0)
4457                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
4458         else if (os_strncmp(cmd, "ID-", 3) == 0) {
4459                 i = atoi(cmd + 3);
4460                 bss = wpa_bss_get_id(wpa_s, i);
4461         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4462                 i = atoi(cmd + 5);
4463                 bss = wpa_bss_get_id(wpa_s, i);
4464                 if (bss) {
4465                         next = bss->list_id.next;
4466                         if (next == &wpa_s->bss_id)
4467                                 bss = NULL;
4468                         else
4469                                 bss = dl_list_entry(next, struct wpa_bss,
4470                                                     list_id);
4471                 }
4472 #ifdef CONFIG_P2P
4473         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
4474                 if (hwaddr_aton(cmd + 13, bssid) == 0)
4475                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
4476                 else
4477                         bss = NULL;
4478 #endif /* CONFIG_P2P */
4479         } else if (hwaddr_aton(cmd, bssid) == 0)
4480                 bss = wpa_bss_get_bssid(wpa_s, bssid);
4481         else {
4482                 struct wpa_bss *tmp;
4483                 i = atoi(cmd);
4484                 bss = NULL;
4485                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
4486                 {
4487                         if (i-- == 0) {
4488                                 bss = tmp;
4489                                 break;
4490                         }
4491                 }
4492         }
4493
4494         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
4495                 mask = strtoul(ctmp + 5, NULL, 0x10);
4496                 if (mask == 0)
4497                         mask = WPA_BSS_MASK_ALL;
4498         }
4499
4500         if (bss == NULL)
4501                 return 0;
4502
4503         if (bsslast == NULL)
4504                 bsslast = bss;
4505         do {
4506                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
4507                 ret += len;
4508                 buf += len;
4509                 buflen -= len;
4510                 if (bss == bsslast) {
4511                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
4512                             (bss == dl_list_last(&wpa_s->bss_id,
4513                                                  struct wpa_bss, list_id))) {
4514                                 int res;
4515
4516                                 res = os_snprintf(buf - 5, end - buf + 5,
4517                                                   "####\n");
4518                                 if (os_snprintf_error(end - buf + 5, res)) {
4519                                         wpa_printf(MSG_DEBUG,
4520                                                    "Could not add end delim");
4521                                 }
4522                         }
4523                         break;
4524                 }
4525                 next = bss->list_id.next;
4526                 if (next == &wpa_s->bss_id)
4527                         break;
4528                 bss = dl_list_entry(next, struct wpa_bss, list_id);
4529         } while (bss && len);
4530
4531         return ret;
4532 }
4533
4534
4535 static int wpa_supplicant_ctrl_iface_ap_scan(
4536         struct wpa_supplicant *wpa_s, char *cmd)
4537 {
4538         int ap_scan = atoi(cmd);
4539         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
4540 }
4541
4542
4543 static int wpa_supplicant_ctrl_iface_scan_interval(
4544         struct wpa_supplicant *wpa_s, char *cmd)
4545 {
4546         int scan_int = atoi(cmd);
4547         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
4548 }
4549
4550
4551 static int wpa_supplicant_ctrl_iface_bss_expire_age(
4552         struct wpa_supplicant *wpa_s, char *cmd)
4553 {
4554         int expire_age = atoi(cmd);
4555         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
4556 }
4557
4558
4559 static int wpa_supplicant_ctrl_iface_bss_expire_count(
4560         struct wpa_supplicant *wpa_s, char *cmd)
4561 {
4562         int expire_count = atoi(cmd);
4563         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
4564 }
4565
4566
4567 static void wpa_supplicant_ctrl_iface_bss_flush(
4568         struct wpa_supplicant *wpa_s, char *cmd)
4569 {
4570         int flush_age = atoi(cmd);
4571
4572         if (flush_age == 0)
4573                 wpa_bss_flush(wpa_s);
4574         else
4575                 wpa_bss_flush_by_age(wpa_s, flush_age);
4576 }
4577
4578
4579 #ifdef CONFIG_TESTING_OPTIONS
4580 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
4581 {
4582         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
4583         /* MLME-DELETEKEYS.request */
4584         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
4585         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
4586         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
4587         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
4588 #ifdef CONFIG_IEEE80211W
4589         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
4590         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
4591 #endif /* CONFIG_IEEE80211W */
4592
4593         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
4594                         0);
4595         /* MLME-SETPROTECTION.request(None) */
4596         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
4597                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
4598                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
4599         wpa_sm_drop_sa(wpa_s->wpa);
4600 }
4601 #endif /* CONFIG_TESTING_OPTIONS */
4602
4603
4604 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
4605                                           char *addr)
4606 {
4607 #ifdef CONFIG_NO_SCAN_PROCESSING
4608         return -1;
4609 #else /* CONFIG_NO_SCAN_PROCESSING */
4610         u8 bssid[ETH_ALEN];
4611         struct wpa_bss *bss;
4612         struct wpa_ssid *ssid = wpa_s->current_ssid;
4613
4614         if (hwaddr_aton(addr, bssid)) {
4615                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
4616                            "address '%s'", addr);
4617                 return -1;
4618         }
4619
4620         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
4621
4622         if (!ssid) {
4623                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
4624                            "configuration known for the target AP");
4625                 return -1;
4626         }
4627
4628         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
4629         if (!bss) {
4630                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
4631                            "from BSS table");
4632                 return -1;
4633         }
4634
4635         /*
4636          * TODO: Find best network configuration block from configuration to
4637          * allow roaming to other networks
4638          */
4639
4640         wpa_s->reassociate = 1;
4641         wpa_supplicant_connect(wpa_s, bss, ssid);
4642
4643         return 0;
4644 #endif /* CONFIG_NO_SCAN_PROCESSING */
4645 }
4646
4647
4648 #ifdef CONFIG_P2P
4649 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
4650 {
4651         unsigned int timeout = atoi(cmd);
4652         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
4653         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
4654         u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
4655         char *pos;
4656         unsigned int search_delay;
4657         const char *_seek[P2P_MAX_QUERY_HASH + 1], **seek = NULL;
4658         u8 seek_count = 0;
4659         int freq = 0;
4660
4661         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4662                 wpa_dbg(wpa_s, MSG_INFO,
4663                         "Reject P2P_FIND since interface is disabled");
4664                 return -1;
4665         }
4666         if (os_strstr(cmd, "type=social"))
4667                 type = P2P_FIND_ONLY_SOCIAL;
4668         else if (os_strstr(cmd, "type=progressive"))
4669                 type = P2P_FIND_PROGRESSIVE;
4670
4671         pos = os_strstr(cmd, "dev_id=");
4672         if (pos) {
4673                 pos += 7;
4674                 if (hwaddr_aton(pos, dev_id))
4675                         return -1;
4676                 _dev_id = dev_id;
4677         }
4678
4679         pos = os_strstr(cmd, "dev_type=");
4680         if (pos) {
4681                 pos += 9;
4682                 if (wps_dev_type_str2bin(pos, dev_type) < 0)
4683                         return -1;
4684                 _dev_type = dev_type;
4685         }
4686
4687         pos = os_strstr(cmd, "delay=");
4688         if (pos) {
4689                 pos += 6;
4690                 search_delay = atoi(pos);
4691         } else
4692                 search_delay = wpas_p2p_search_delay(wpa_s);
4693
4694         pos = os_strstr(cmd, "freq=");
4695         if (pos) {
4696                 pos += 5;
4697                 freq = atoi(pos);
4698                 if (freq <= 0)
4699                         return -1;
4700         }
4701
4702         /* Must be searched for last, because it adds nul termination */
4703         pos = os_strstr(cmd, " seek=");
4704         if (pos)
4705                 pos += 6;
4706         while (pos && seek_count < P2P_MAX_QUERY_HASH + 1) {
4707                 char *term;
4708
4709                 _seek[seek_count++] = pos;
4710                 seek = _seek;
4711                 term = os_strchr(pos, ' ');
4712                 if (!term)
4713                         break;
4714                 *term = '\0';
4715                 pos = os_strstr(term + 1, "seek=");
4716                 if (pos)
4717                         pos += 5;
4718         }
4719         if (seek_count > P2P_MAX_QUERY_HASH) {
4720                 seek[0] = NULL;
4721                 seek_count = 1;
4722         }
4723
4724         return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
4725                              _dev_id, search_delay, seek_count, seek, freq);
4726 }
4727
4728
4729 static int p2ps_ctrl_parse_cpt_priority(const char *pos, u8 *cpt)
4730 {
4731         const char *last = NULL;
4732         const char *token;
4733         long int token_len;
4734         unsigned int i;
4735
4736         /* Expected predefined CPT names delimited by ':' */
4737         for (i = 0; (token = cstr_token(pos, ": \t", &last)); i++) {
4738                 if (i >= P2PS_FEATURE_CAPAB_CPT_MAX) {
4739                         wpa_printf(MSG_ERROR,
4740                                    "P2PS: CPT name list is too long, expected up to %d names",
4741                                    P2PS_FEATURE_CAPAB_CPT_MAX);
4742                         cpt[0] = 0;
4743                         return -1;
4744                 }
4745
4746                 token_len = last - token;
4747
4748                 if (token_len  == 3 &&
4749                     os_memcmp(token, "UDP", token_len) == 0) {
4750                         cpt[i] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
4751                 } else if (token_len == 3 &&
4752                            os_memcmp(token, "MAC", token_len) == 0) {
4753                         cpt[i] = P2PS_FEATURE_CAPAB_MAC_TRANSPORT;
4754                 } else {
4755                         wpa_printf(MSG_ERROR,
4756                                    "P2PS: Unsupported CPT name '%s'", token);
4757                         cpt[0] = 0;
4758                         return -1;
4759                 }
4760
4761                 if (isblank((unsigned char) *last)) {
4762                         i++;
4763                         break;
4764                 }
4765         }
4766         cpt[i] = 0;
4767         return 0;
4768 }
4769
4770
4771 static struct p2ps_provision * p2p_parse_asp_provision_cmd(const char *cmd)
4772 {
4773         struct p2ps_provision *p2ps_prov;
4774         char *pos;
4775         size_t info_len = 0;
4776         char *info = NULL;
4777         u8 role = P2PS_SETUP_NONE;
4778         long long unsigned val;
4779         int i;
4780
4781         pos = os_strstr(cmd, "info=");
4782         if (pos) {
4783                 pos += 5;
4784                 info_len = os_strlen(pos);
4785
4786                 if (info_len) {
4787                         info = os_malloc(info_len + 1);
4788                         if (info) {
4789                                 info_len = utf8_unescape(pos, info_len,
4790                                                          info, info_len + 1);
4791                         } else
4792                                 info_len = 0;
4793                 }
4794         }
4795
4796         p2ps_prov = os_zalloc(sizeof(struct p2ps_provision) + info_len + 1);
4797         if (p2ps_prov == NULL) {
4798                 os_free(info);
4799                 return NULL;
4800         }
4801
4802         if (info) {
4803                 os_memcpy(p2ps_prov->info, info, info_len);
4804                 p2ps_prov->info[info_len] = '\0';
4805                 os_free(info);
4806         }
4807
4808         pos = os_strstr(cmd, "status=");
4809         if (pos)
4810                 p2ps_prov->status = atoi(pos + 7);
4811         else
4812                 p2ps_prov->status = -1;
4813
4814         pos = os_strstr(cmd, "adv_id=");
4815         if (!pos || sscanf(pos + 7, "%llx", &val) != 1 || val > 0xffffffffULL)
4816                 goto invalid_args;
4817         p2ps_prov->adv_id = val;
4818
4819         pos = os_strstr(cmd, "method=");
4820         if (pos)
4821                 p2ps_prov->method = strtol(pos + 7, NULL, 16);
4822         else
4823                 p2ps_prov->method = 0;
4824
4825         pos = os_strstr(cmd, "session=");
4826         if (!pos || sscanf(pos + 8, "%llx", &val) != 1 || val > 0xffffffffULL)
4827                 goto invalid_args;
4828         p2ps_prov->session_id = val;
4829
4830         pos = os_strstr(cmd, "adv_mac=");
4831         if (!pos || hwaddr_aton(pos + 8, p2ps_prov->adv_mac))
4832                 goto invalid_args;
4833
4834         pos = os_strstr(cmd, "session_mac=");
4835         if (!pos || hwaddr_aton(pos + 12, p2ps_prov->session_mac))
4836                 goto invalid_args;
4837
4838         pos = os_strstr(cmd, "cpt=");
4839         if (pos) {
4840                 if (p2ps_ctrl_parse_cpt_priority(pos + 4,
4841                                                  p2ps_prov->cpt_priority))
4842                         goto invalid_args;
4843         } else {
4844                 p2ps_prov->cpt_priority[0] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
4845         }
4846
4847         for (i = 0; p2ps_prov->cpt_priority[i]; i++)
4848                 p2ps_prov->cpt_mask |= p2ps_prov->cpt_priority[i];
4849
4850         /* force conncap with tstCap (no sanity checks) */
4851         pos = os_strstr(cmd, "tstCap=");
4852         if (pos) {
4853                 role = strtol(pos + 7, NULL, 16);
4854         } else {
4855                 pos = os_strstr(cmd, "role=");
4856                 if (pos) {
4857                         role = strtol(pos + 5, NULL, 16);
4858                         if (role != P2PS_SETUP_CLIENT &&
4859                             role != P2PS_SETUP_GROUP_OWNER)
4860                                 role = P2PS_SETUP_NONE;
4861                 }
4862         }
4863         p2ps_prov->role = role;
4864
4865         return p2ps_prov;
4866
4867 invalid_args:
4868         os_free(p2ps_prov);
4869         return NULL;
4870 }
4871
4872
4873 static int p2p_ctrl_asp_provision_resp(struct wpa_supplicant *wpa_s, char *cmd)
4874 {
4875         u8 addr[ETH_ALEN];
4876         struct p2ps_provision *p2ps_prov;
4877         char *pos;
4878
4879         /* <addr> id=<adv_id> [role=<conncap>] [info=<infodata>] */
4880
4881         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4882
4883         if (hwaddr_aton(cmd, addr))
4884                 return -1;
4885
4886         pos = cmd + 17;
4887         if (*pos != ' ')
4888                 return -1;
4889
4890         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4891         if (!p2ps_prov)
4892                 return -1;
4893
4894         if (p2ps_prov->status < 0) {
4895                 os_free(p2ps_prov);
4896                 return -1;
4897         }
4898
4899         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4900                                   p2ps_prov);
4901 }
4902
4903
4904 static int p2p_ctrl_asp_provision(struct wpa_supplicant *wpa_s, char *cmd)
4905 {
4906         u8 addr[ETH_ALEN];
4907         struct p2ps_provision *p2ps_prov;
4908         char *pos;
4909
4910         /* <addr> id=<adv_id> adv_mac=<adv_mac> conncap=<conncap>
4911          *        session=<ses_id> mac=<ses_mac> [info=<infodata>]
4912          */
4913
4914         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4915         if (hwaddr_aton(cmd, addr))
4916                 return -1;
4917
4918         pos = cmd + 17;
4919         if (*pos != ' ')
4920                 return -1;
4921
4922         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4923         if (!p2ps_prov)
4924                 return -1;
4925
4926         p2ps_prov->pd_seeker = 1;
4927
4928         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4929                                   p2ps_prov);
4930 }
4931
4932
4933 static int parse_freq(int chwidth, int freq2)
4934 {
4935         if (freq2 < 0)
4936                 return -1;
4937         if (freq2)
4938                 return VHT_CHANWIDTH_80P80MHZ;
4939
4940         switch (chwidth) {
4941         case 0:
4942         case 20:
4943         case 40:
4944                 return VHT_CHANWIDTH_USE_HT;
4945         case 80:
4946                 return VHT_CHANWIDTH_80MHZ;
4947         case 160:
4948                 return VHT_CHANWIDTH_160MHZ;
4949         default:
4950                 wpa_printf(MSG_DEBUG, "Unknown max oper bandwidth: %d",
4951                            chwidth);
4952                 return -1;
4953         }
4954 }
4955
4956
4957 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
4958                             char *buf, size_t buflen)
4959 {
4960         u8 addr[ETH_ALEN];
4961         char *pos, *pos2;
4962         char *pin = NULL;
4963         enum p2p_wps_method wps_method;
4964         int new_pin;
4965         int ret;
4966         int persistent_group, persistent_id = -1;
4967         int join;
4968         int auth;
4969         int automatic;
4970         int go_intent = -1;
4971         int freq = 0;
4972         int pd;
4973         int ht40, vht, max_oper_chwidth, chwidth = 0, freq2 = 0;
4974         u8 _group_ssid[SSID_MAX_LEN], *group_ssid = NULL;
4975         size_t group_ssid_len = 0;
4976
4977         if (!wpa_s->global->p2p_init_wpa_s)
4978                 return -1;
4979         if (wpa_s->global->p2p_init_wpa_s != wpa_s) {
4980                 wpa_dbg(wpa_s, MSG_DEBUG, "Direct P2P_CONNECT command to %s",
4981                         wpa_s->global->p2p_init_wpa_s->ifname);
4982                 wpa_s = wpa_s->global->p2p_init_wpa_s;
4983         }
4984
4985         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad|p2ps]
4986          * [persistent|persistent=<network id>]
4987          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
4988          * [ht40] [vht] [auto] [ssid=<hexdump>] */
4989
4990         if (hwaddr_aton(cmd, addr))
4991                 return -1;
4992
4993         pos = cmd + 17;
4994         if (*pos != ' ')
4995                 return -1;
4996         pos++;
4997
4998         persistent_group = os_strstr(pos, " persistent") != NULL;
4999         pos2 = os_strstr(pos, " persistent=");
5000         if (pos2) {
5001                 struct wpa_ssid *ssid;
5002                 persistent_id = atoi(pos2 + 12);
5003                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
5004                 if (ssid == NULL || ssid->disabled != 2 ||
5005                     ssid->mode != WPAS_MODE_P2P_GO) {
5006                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
5007                                    "SSID id=%d for persistent P2P group (GO)",
5008                                    persistent_id);
5009                         return -1;
5010                 }
5011         }
5012         join = os_strstr(pos, " join") != NULL;
5013         auth = os_strstr(pos, " auth") != NULL;
5014         automatic = os_strstr(pos, " auto") != NULL;
5015         pd = os_strstr(pos, " provdisc") != NULL;
5016         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
5017         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5018                 vht;
5019
5020         pos2 = os_strstr(pos, " go_intent=");
5021         if (pos2) {
5022                 pos2 += 11;
5023                 go_intent = atoi(pos2);
5024                 if (go_intent < 0 || go_intent > 15)
5025                         return -1;
5026         }
5027
5028         pos2 = os_strstr(pos, " freq=");
5029         if (pos2) {
5030                 pos2 += 6;
5031                 freq = atoi(pos2);
5032                 if (freq <= 0)
5033                         return -1;
5034         }
5035
5036         pos2 = os_strstr(pos, " freq2=");
5037         if (pos2)
5038                 freq2 = atoi(pos2 + 7);
5039
5040         pos2 = os_strstr(pos, " max_oper_chwidth=");
5041         if (pos2)
5042                 chwidth = atoi(pos2 + 18);
5043
5044         max_oper_chwidth = parse_freq(chwidth, freq2);
5045         if (max_oper_chwidth < 0)
5046                 return -1;
5047
5048         pos2 = os_strstr(pos, " ssid=");
5049         if (pos2) {
5050                 char *end;
5051
5052                 pos2 += 6;
5053                 end = os_strchr(pos2, ' ');
5054                 if (!end)
5055                         group_ssid_len = os_strlen(pos2) / 2;
5056                 else
5057                         group_ssid_len = (end - pos2) / 2;
5058                 if (group_ssid_len == 0 || group_ssid_len > SSID_MAX_LEN ||
5059                     hexstr2bin(pos2, _group_ssid, group_ssid_len) < 0)
5060                         return -1;
5061                 group_ssid = _group_ssid;
5062         }
5063
5064         if (os_strncmp(pos, "pin", 3) == 0) {
5065                 /* Request random PIN (to be displayed) and enable the PIN */
5066                 wps_method = WPS_PIN_DISPLAY;
5067         } else if (os_strncmp(pos, "pbc", 3) == 0) {
5068                 wps_method = WPS_PBC;
5069         } else if (os_strstr(pos, "p2ps") != NULL) {
5070                 wps_method = WPS_P2PS;
5071         } else {
5072                 pin = pos;
5073                 pos = os_strchr(pin, ' ');
5074                 wps_method = WPS_PIN_KEYPAD;
5075                 if (pos) {
5076                         *pos++ = '\0';
5077                         if (os_strncmp(pos, "display", 7) == 0)
5078                                 wps_method = WPS_PIN_DISPLAY;
5079                 }
5080                 if (!wps_pin_str_valid(pin)) {
5081                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
5082                         return 17;
5083                 }
5084         }
5085
5086         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
5087                                    persistent_group, automatic, join,
5088                                    auth, go_intent, freq, freq2, persistent_id,
5089                                    pd, ht40, vht, max_oper_chwidth,
5090                                    group_ssid, group_ssid_len);
5091         if (new_pin == -2) {
5092                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
5093                 return 25;
5094         }
5095         if (new_pin == -3) {
5096                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
5097                 return 25;
5098         }
5099         if (new_pin < 0)
5100                 return -1;
5101         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
5102                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
5103                 if (os_snprintf_error(buflen, ret))
5104                         return -1;
5105                 return ret;
5106         }
5107
5108         os_memcpy(buf, "OK\n", 3);
5109         return 3;
5110 }
5111
5112
5113 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
5114 {
5115         unsigned int timeout = atoi(cmd);
5116         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
5117                 wpa_dbg(wpa_s, MSG_INFO,
5118                         "Reject P2P_LISTEN since interface is disabled");
5119                 return -1;
5120         }
5121         return wpas_p2p_listen(wpa_s, timeout);
5122 }
5123
5124
5125 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
5126 {
5127         u8 addr[ETH_ALEN];
5128         char *pos;
5129         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
5130
5131         /* <addr> <config method> [join|auto] */
5132
5133         if (hwaddr_aton(cmd, addr))
5134                 return -1;
5135
5136         pos = cmd + 17;
5137         if (*pos != ' ')
5138                 return -1;
5139         pos++;
5140
5141         if (os_strstr(pos, " join") != NULL)
5142                 use = WPAS_P2P_PD_FOR_JOIN;
5143         else if (os_strstr(pos, " auto") != NULL)
5144                 use = WPAS_P2P_PD_AUTO;
5145
5146         return wpas_p2p_prov_disc(wpa_s, addr, pos, use, NULL);
5147 }
5148
5149
5150 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
5151                               size_t buflen)
5152 {
5153         struct wpa_ssid *ssid = wpa_s->current_ssid;
5154
5155         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
5156             ssid->passphrase == NULL)
5157                 return -1;
5158
5159         os_strlcpy(buf, ssid->passphrase, buflen);
5160         return os_strlen(buf);
5161 }
5162
5163
5164 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
5165                                   char *buf, size_t buflen)
5166 {
5167         u64 ref;
5168         int res;
5169         u8 dst_buf[ETH_ALEN], *dst;
5170         struct wpabuf *tlvs;
5171         char *pos;
5172         size_t len;
5173
5174         if (hwaddr_aton(cmd, dst_buf))
5175                 return -1;
5176         dst = dst_buf;
5177         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
5178             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
5179                 dst = NULL;
5180         pos = cmd + 17;
5181         if (*pos != ' ')
5182                 return -1;
5183         pos++;
5184
5185         if (os_strncmp(pos, "upnp ", 5) == 0) {
5186                 u8 version;
5187                 pos += 5;
5188                 if (hexstr2bin(pos, &version, 1) < 0)
5189                         return -1;
5190                 pos += 2;
5191                 if (*pos != ' ')
5192                         return -1;
5193                 pos++;
5194                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
5195 #ifdef CONFIG_WIFI_DISPLAY
5196         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
5197                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
5198 #endif /* CONFIG_WIFI_DISPLAY */
5199         } else if (os_strncmp(pos, "asp ", 4) == 0) {
5200                 char *svc_str;
5201                 char *svc_info = NULL;
5202                 u32 id;
5203
5204                 pos += 4;
5205                 if (sscanf(pos, "%x", &id) != 1 || id > 0xff)
5206                         return -1;
5207
5208                 pos = os_strchr(pos, ' ');
5209                 if (pos == NULL || pos[1] == '\0' || pos[1] == ' ')
5210                         return -1;
5211
5212                 svc_str = pos + 1;
5213
5214                 pos = os_strchr(svc_str, ' ');
5215
5216                 if (pos)
5217                         *pos++ = '\0';
5218
5219                 /* All remaining data is the svc_info string */
5220                 if (pos && pos[0] && pos[0] != ' ') {
5221                         len = os_strlen(pos);
5222
5223                         /* Unescape in place */
5224                         len = utf8_unescape(pos, len, pos, len);
5225                         if (len > 0xff)
5226                                 return -1;
5227
5228                         svc_info = pos;
5229                 }
5230
5231                 ref = wpas_p2p_sd_request_asp(wpa_s, dst, (u8) id,
5232                                               svc_str, svc_info);
5233         } else {
5234                 len = os_strlen(pos);
5235                 if (len & 1)
5236                         return -1;
5237                 len /= 2;
5238                 tlvs = wpabuf_alloc(len);
5239                 if (tlvs == NULL)
5240                         return -1;
5241                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
5242                         wpabuf_free(tlvs);
5243                         return -1;
5244                 }
5245
5246                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
5247                 wpabuf_free(tlvs);
5248         }
5249         if (ref == 0)
5250                 return -1;
5251         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
5252         if (os_snprintf_error(buflen, res))
5253                 return -1;
5254         return res;
5255 }
5256
5257
5258 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
5259                                          char *cmd)
5260 {
5261         long long unsigned val;
5262         u64 req;
5263         if (sscanf(cmd, "%llx", &val) != 1)
5264                 return -1;
5265         req = val;
5266         return wpas_p2p_sd_cancel_request(wpa_s, req);
5267 }
5268
5269
5270 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
5271 {
5272         int freq;
5273         u8 dst[ETH_ALEN];
5274         u8 dialog_token;
5275         struct wpabuf *resp_tlvs;
5276         char *pos, *pos2;
5277         size_t len;
5278
5279         pos = os_strchr(cmd, ' ');
5280         if (pos == NULL)
5281                 return -1;
5282         *pos++ = '\0';
5283         freq = atoi(cmd);
5284         if (freq == 0)
5285                 return -1;
5286
5287         if (hwaddr_aton(pos, dst))
5288                 return -1;
5289         pos += 17;
5290         if (*pos != ' ')
5291                 return -1;
5292         pos++;
5293
5294         pos2 = os_strchr(pos, ' ');
5295         if (pos2 == NULL)
5296                 return -1;
5297         *pos2++ = '\0';
5298         dialog_token = atoi(pos);
5299
5300         len = os_strlen(pos2);
5301         if (len & 1)
5302                 return -1;
5303         len /= 2;
5304         resp_tlvs = wpabuf_alloc(len);
5305         if (resp_tlvs == NULL)
5306                 return -1;
5307         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
5308                 wpabuf_free(resp_tlvs);
5309                 return -1;
5310         }
5311
5312         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
5313         wpabuf_free(resp_tlvs);
5314         return 0;
5315 }
5316
5317
5318 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
5319                                        char *cmd)
5320 {
5321         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
5322                 return -1;
5323         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
5324         return 0;
5325 }
5326
5327
5328 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
5329                                         char *cmd)
5330 {
5331         char *pos;
5332         size_t len;
5333         struct wpabuf *query, *resp;
5334
5335         pos = os_strchr(cmd, ' ');
5336         if (pos == NULL)
5337                 return -1;
5338         *pos++ = '\0';
5339
5340         len = os_strlen(cmd);
5341         if (len & 1)
5342                 return -1;
5343         len /= 2;
5344         query = wpabuf_alloc(len);
5345         if (query == NULL)
5346                 return -1;
5347         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5348                 wpabuf_free(query);
5349                 return -1;
5350         }
5351
5352         len = os_strlen(pos);
5353         if (len & 1) {
5354                 wpabuf_free(query);
5355                 return -1;
5356         }
5357         len /= 2;
5358         resp = wpabuf_alloc(len);
5359         if (resp == NULL) {
5360                 wpabuf_free(query);
5361                 return -1;
5362         }
5363         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
5364                 wpabuf_free(query);
5365                 wpabuf_free(resp);
5366                 return -1;
5367         }
5368
5369         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
5370                 wpabuf_free(query);
5371                 wpabuf_free(resp);
5372                 return -1;
5373         }
5374         return 0;
5375 }
5376
5377
5378 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5379 {
5380         char *pos;
5381         u8 version;
5382
5383         pos = os_strchr(cmd, ' ');
5384         if (pos == NULL)
5385                 return -1;
5386         *pos++ = '\0';
5387
5388         if (hexstr2bin(cmd, &version, 1) < 0)
5389                 return -1;
5390
5391         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
5392 }
5393
5394
5395 static int p2p_ctrl_service_add_asp(struct wpa_supplicant *wpa_s,
5396                                     u8 replace, char *cmd)
5397 {
5398         char *pos;
5399         char *adv_str;
5400         u32 auto_accept, adv_id, svc_state, config_methods;
5401         char *svc_info = NULL;
5402         char *cpt_prio_str;
5403         u8 cpt_prio[P2PS_FEATURE_CAPAB_CPT_MAX + 1];
5404
5405         pos = os_strchr(cmd, ' ');
5406         if (pos == NULL)
5407                 return -1;
5408         *pos++ = '\0';
5409
5410         /* Auto-Accept value is mandatory, and must be one of the
5411          * single values (0, 1, 2, 4) */
5412         auto_accept = atoi(cmd);
5413         switch (auto_accept) {
5414         case P2PS_SETUP_NONE: /* No auto-accept */
5415         case P2PS_SETUP_NEW:
5416         case P2PS_SETUP_CLIENT:
5417         case P2PS_SETUP_GROUP_OWNER:
5418                 break;
5419         default:
5420                 return -1;
5421         }
5422
5423         /* Advertisement ID is mandatory */
5424         cmd = pos;
5425         pos = os_strchr(cmd, ' ');
5426         if (pos == NULL)
5427                 return -1;
5428         *pos++ = '\0';
5429
5430         /* Handle Adv_ID == 0 (wildcard "org.wi-fi.wfds") internally. */
5431         if (sscanf(cmd, "%x", &adv_id) != 1 || adv_id == 0)
5432                 return -1;
5433
5434         /* Only allow replacements if exist, and adds if not */
5435         if (wpas_p2p_service_p2ps_id_exists(wpa_s, adv_id)) {
5436                 if (!replace)
5437                         return -1;
5438         } else {
5439                 if (replace)
5440                         return -1;
5441         }
5442
5443         /* svc_state between 0 - 0xff is mandatory */
5444         if (sscanf(pos, "%x", &svc_state) != 1 || svc_state > 0xff)
5445                 return -1;
5446
5447         pos = os_strchr(pos, ' ');
5448         if (pos == NULL)
5449                 return -1;
5450
5451         /* config_methods is mandatory */
5452         pos++;
5453         if (sscanf(pos, "%x", &config_methods) != 1)
5454                 return -1;
5455
5456         if (!(config_methods &
5457               (WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD | WPS_CONFIG_P2PS)))
5458                 return -1;
5459
5460         pos = os_strchr(pos, ' ');
5461         if (pos == NULL)
5462                 return -1;
5463
5464         pos++;
5465         adv_str = pos;
5466
5467         /* Advertisement string is mandatory */
5468         if (!pos[0] || pos[0] == ' ')
5469                 return -1;
5470
5471         /* Terminate svc string */
5472         pos = os_strchr(pos, ' ');
5473         if (pos != NULL)
5474                 *pos++ = '\0';
5475
5476         cpt_prio_str = (pos && pos[0]) ? os_strstr(pos, "cpt=") : NULL;
5477         if (cpt_prio_str) {
5478                 pos = os_strchr(pos, ' ');
5479                 if (pos != NULL)
5480                         *pos++ = '\0';
5481
5482                 if (p2ps_ctrl_parse_cpt_priority(cpt_prio_str + 4, cpt_prio))
5483                         return -1;
5484         } else {
5485                 cpt_prio[0] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
5486                 cpt_prio[1] = 0;
5487         }
5488
5489         /* Service and Response Information are optional */
5490         if (pos && pos[0]) {
5491                 size_t len;
5492
5493                 /* Note the bare ' included, which cannot exist legally
5494                  * in unescaped string. */
5495                 svc_info = os_strstr(pos, "svc_info='");
5496
5497                 if (svc_info) {
5498                         svc_info += 9;
5499                         len = os_strlen(svc_info);
5500                         utf8_unescape(svc_info, len, svc_info, len);
5501                 }
5502         }
5503
5504         return wpas_p2p_service_add_asp(wpa_s, auto_accept, adv_id, adv_str,
5505                                         (u8) svc_state, (u16) config_methods,
5506                                         svc_info, cpt_prio);
5507 }
5508
5509
5510 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
5511 {
5512         char *pos;
5513
5514         pos = os_strchr(cmd, ' ');
5515         if (pos == NULL)
5516                 return -1;
5517         *pos++ = '\0';
5518
5519         if (os_strcmp(cmd, "bonjour") == 0)
5520                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
5521         if (os_strcmp(cmd, "upnp") == 0)
5522                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
5523         if (os_strcmp(cmd, "asp") == 0)
5524                 return p2p_ctrl_service_add_asp(wpa_s, 0, pos);
5525         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5526         return -1;
5527 }
5528
5529
5530 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
5531                                         char *cmd)
5532 {
5533         size_t len;
5534         struct wpabuf *query;
5535         int ret;
5536
5537         len = os_strlen(cmd);
5538         if (len & 1)
5539                 return -1;
5540         len /= 2;
5541         query = wpabuf_alloc(len);
5542         if (query == NULL)
5543                 return -1;
5544         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5545                 wpabuf_free(query);
5546                 return -1;
5547         }
5548
5549         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
5550         wpabuf_free(query);
5551         return ret;
5552 }
5553
5554
5555 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5556 {
5557         char *pos;
5558         u8 version;
5559
5560         pos = os_strchr(cmd, ' ');
5561         if (pos == NULL)
5562                 return -1;
5563         *pos++ = '\0';
5564
5565         if (hexstr2bin(cmd, &version, 1) < 0)
5566                 return -1;
5567
5568         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
5569 }
5570
5571
5572 static int p2p_ctrl_service_del_asp(struct wpa_supplicant *wpa_s, char *cmd)
5573 {
5574         u32 adv_id;
5575
5576         if (os_strcmp(cmd, "all") == 0) {
5577                 wpas_p2p_service_flush_asp(wpa_s);
5578                 return 0;
5579         }
5580
5581         if (sscanf(cmd, "%x", &adv_id) != 1)
5582                 return -1;
5583
5584         return wpas_p2p_service_del_asp(wpa_s, adv_id);
5585 }
5586
5587
5588 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
5589 {
5590         char *pos;
5591
5592         pos = os_strchr(cmd, ' ');
5593         if (pos == NULL)
5594                 return -1;
5595         *pos++ = '\0';
5596
5597         if (os_strcmp(cmd, "bonjour") == 0)
5598                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
5599         if (os_strcmp(cmd, "upnp") == 0)
5600                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
5601         if (os_strcmp(cmd, "asp") == 0)
5602                 return p2p_ctrl_service_del_asp(wpa_s, pos);
5603         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5604         return -1;
5605 }
5606
5607
5608 static int p2p_ctrl_service_replace(struct wpa_supplicant *wpa_s, char *cmd)
5609 {
5610         char *pos;
5611
5612         pos = os_strchr(cmd, ' ');
5613         if (pos == NULL)
5614                 return -1;
5615         *pos++ = '\0';
5616
5617         if (os_strcmp(cmd, "asp") == 0)
5618                 return p2p_ctrl_service_add_asp(wpa_s, 1, pos);
5619
5620         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5621         return -1;
5622 }
5623
5624
5625 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
5626 {
5627         u8 addr[ETH_ALEN];
5628
5629         /* <addr> */
5630
5631         if (hwaddr_aton(cmd, addr))
5632                 return -1;
5633
5634         return wpas_p2p_reject(wpa_s, addr);
5635 }
5636
5637
5638 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
5639 {
5640         char *pos;
5641         int id;
5642         struct wpa_ssid *ssid;
5643         u8 *_peer = NULL, peer[ETH_ALEN];
5644         int freq = 0, pref_freq = 0;
5645         int ht40, vht, max_oper_chwidth, chwidth = 0, freq2 = 0;
5646
5647         id = atoi(cmd);
5648         pos = os_strstr(cmd, " peer=");
5649         if (pos) {
5650                 pos += 6;
5651                 if (hwaddr_aton(pos, peer))
5652                         return -1;
5653                 _peer = peer;
5654         }
5655         ssid = wpa_config_get_network(wpa_s->conf, id);
5656         if (ssid == NULL || ssid->disabled != 2) {
5657                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5658                            "for persistent P2P group",
5659                            id);
5660                 return -1;
5661         }
5662
5663         pos = os_strstr(cmd, " freq=");
5664         if (pos) {
5665                 pos += 6;
5666                 freq = atoi(pos);
5667                 if (freq <= 0)
5668                         return -1;
5669         }
5670
5671         pos = os_strstr(cmd, " pref=");
5672         if (pos) {
5673                 pos += 6;
5674                 pref_freq = atoi(pos);
5675                 if (pref_freq <= 0)
5676                         return -1;
5677         }
5678
5679         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
5680         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5681                 vht;
5682
5683         pos = os_strstr(cmd, "freq2=");
5684         if (pos)
5685                 freq2 = atoi(pos + 6);
5686
5687         pos = os_strstr(cmd, " max_oper_chwidth=");
5688         if (pos)
5689                 chwidth = atoi(pos + 18);
5690
5691         max_oper_chwidth = parse_freq(chwidth, freq2);
5692         if (max_oper_chwidth < 0)
5693                 return -1;
5694
5695         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, freq2, ht40, vht,
5696                                max_oper_chwidth, pref_freq);
5697 }
5698
5699
5700 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
5701 {
5702         char *pos;
5703         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
5704
5705         pos = os_strstr(cmd, " peer=");
5706         if (!pos)
5707                 return -1;
5708
5709         *pos = '\0';
5710         pos += 6;
5711         if (hwaddr_aton(pos, peer)) {
5712                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
5713                 return -1;
5714         }
5715
5716         pos = os_strstr(pos, " go_dev_addr=");
5717         if (pos) {
5718                 pos += 13;
5719                 if (hwaddr_aton(pos, go_dev_addr)) {
5720                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
5721                                    pos);
5722                         return -1;
5723                 }
5724                 go_dev = go_dev_addr;
5725         }
5726
5727         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
5728 }
5729
5730
5731 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
5732 {
5733         if (os_strncmp(cmd, "persistent=", 11) == 0)
5734                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
5735         if (os_strncmp(cmd, "group=", 6) == 0)
5736                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
5737
5738         return -1;
5739 }
5740
5741
5742 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
5743                                          int id, int freq, int vht_center_freq2,
5744                                          int ht40, int vht, int vht_chwidth)
5745 {
5746         struct wpa_ssid *ssid;
5747
5748         ssid = wpa_config_get_network(wpa_s->conf, id);
5749         if (ssid == NULL || ssid->disabled != 2) {
5750                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5751                            "for persistent P2P group",
5752                            id);
5753                 return -1;
5754         }
5755
5756         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq,
5757                                              vht_center_freq2, 0, ht40, vht,
5758                                              vht_chwidth, NULL, 0, 0);
5759 }
5760
5761
5762 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
5763 {
5764         int freq = 0, persistent = 0, group_id = -1;
5765         int vht = wpa_s->conf->p2p_go_vht;
5766         int ht40 = wpa_s->conf->p2p_go_ht40 || vht;
5767         int max_oper_chwidth, chwidth = 0, freq2 = 0;
5768         char *token, *context = NULL;
5769
5770         while ((token = str_token(cmd, " ", &context))) {
5771                 if (sscanf(token, "freq=%d", &freq) == 1 ||
5772                     sscanf(token, "freq2=%d", &freq2) == 1 ||
5773                     sscanf(token, "persistent=%d", &group_id) == 1 ||
5774                     sscanf(token, "max_oper_chwidth=%d", &chwidth) == 1) {
5775                         continue;
5776                 } else if (os_strcmp(token, "ht40") == 0) {
5777                         ht40 = 1;
5778                 } else if (os_strcmp(token, "vht") == 0) {
5779                         vht = 1;
5780                         ht40 = 1;
5781                 } else if (os_strcmp(token, "persistent") == 0) {
5782                         persistent = 1;
5783                 } else {
5784                         wpa_printf(MSG_DEBUG,
5785                                    "CTRL: Invalid P2P_GROUP_ADD parameter: '%s'",
5786                                    token);
5787                         return -1;
5788                 }
5789         }
5790
5791         max_oper_chwidth = parse_freq(chwidth, freq2);
5792         if (max_oper_chwidth < 0)
5793                 return -1;
5794
5795         if (group_id >= 0)
5796                 return p2p_ctrl_group_add_persistent(wpa_s, group_id,
5797                                                      freq, freq2, ht40, vht,
5798                                                      max_oper_chwidth);
5799
5800         return wpas_p2p_group_add(wpa_s, persistent, freq, freq2, ht40, vht,
5801                                   max_oper_chwidth);
5802 }
5803
5804
5805 static int p2p_ctrl_group_member(struct wpa_supplicant *wpa_s, const char *cmd,
5806                                  char *buf, size_t buflen)
5807 {
5808         u8 dev_addr[ETH_ALEN];
5809         struct wpa_ssid *ssid;
5810         int res;
5811         const u8 *iaddr;
5812
5813         ssid = wpa_s->current_ssid;
5814         if (!wpa_s->global->p2p || !ssid || ssid->mode != WPAS_MODE_P2P_GO ||
5815             hwaddr_aton(cmd, dev_addr))
5816                 return -1;
5817
5818         iaddr = p2p_group_get_client_interface_addr(wpa_s->p2p_group, dev_addr);
5819         if (!iaddr)
5820                 return -1;
5821         res = os_snprintf(buf, buflen, MACSTR, MAC2STR(iaddr));
5822         if (os_snprintf_error(buflen, res))
5823                 return -1;
5824         return res;
5825 }
5826
5827
5828 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
5829                          char *buf, size_t buflen)
5830 {
5831         u8 addr[ETH_ALEN], *addr_ptr;
5832         int next, res;
5833         const struct p2p_peer_info *info;
5834         char *pos, *end;
5835         char devtype[WPS_DEV_TYPE_BUFSIZE];
5836         struct wpa_ssid *ssid;
5837         size_t i;
5838
5839         if (!wpa_s->global->p2p)
5840                 return -1;
5841
5842         if (os_strcmp(cmd, "FIRST") == 0) {
5843                 addr_ptr = NULL;
5844                 next = 0;
5845         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
5846                 if (hwaddr_aton(cmd + 5, addr) < 0)
5847                         return -1;
5848                 addr_ptr = addr;
5849                 next = 1;
5850         } else {
5851                 if (hwaddr_aton(cmd, addr) < 0)
5852                         return -1;
5853                 addr_ptr = addr;
5854                 next = 0;
5855         }
5856
5857         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
5858         if (info == NULL)
5859                 return -1;
5860
5861         pos = buf;
5862         end = buf + buflen;
5863
5864         res = os_snprintf(pos, end - pos, MACSTR "\n"
5865                           "pri_dev_type=%s\n"
5866                           "device_name=%s\n"
5867                           "manufacturer=%s\n"
5868                           "model_name=%s\n"
5869                           "model_number=%s\n"
5870                           "serial_number=%s\n"
5871                           "config_methods=0x%x\n"
5872                           "dev_capab=0x%x\n"
5873                           "group_capab=0x%x\n"
5874                           "level=%d\n",
5875                           MAC2STR(info->p2p_device_addr),
5876                           wps_dev_type_bin2str(info->pri_dev_type,
5877                                                devtype, sizeof(devtype)),
5878                           info->device_name,
5879                           info->manufacturer,
5880                           info->model_name,
5881                           info->model_number,
5882                           info->serial_number,
5883                           info->config_methods,
5884                           info->dev_capab,
5885                           info->group_capab,
5886                           info->level);
5887         if (os_snprintf_error(end - pos, res))
5888                 return pos - buf;
5889         pos += res;
5890
5891         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
5892         {
5893                 const u8 *t;
5894                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
5895                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
5896                                   wps_dev_type_bin2str(t, devtype,
5897                                                        sizeof(devtype)));
5898                 if (os_snprintf_error(end - pos, res))
5899                         return pos - buf;
5900                 pos += res;
5901         }
5902
5903         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
5904         if (ssid) {
5905                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
5906                 if (os_snprintf_error(end - pos, res))
5907                         return pos - buf;
5908                 pos += res;
5909         }
5910
5911         res = p2p_get_peer_info_txt(info, pos, end - pos);
5912         if (res < 0)
5913                 return pos - buf;
5914         pos += res;
5915
5916         if (info->vendor_elems) {
5917                 res = os_snprintf(pos, end - pos, "vendor_elems=");
5918                 if (os_snprintf_error(end - pos, res))
5919                         return pos - buf;
5920                 pos += res;
5921
5922                 pos += wpa_snprintf_hex(pos, end - pos,
5923                                         wpabuf_head(info->vendor_elems),
5924                                         wpabuf_len(info->vendor_elems));
5925
5926                 res = os_snprintf(pos, end - pos, "\n");
5927                 if (os_snprintf_error(end - pos, res))
5928                         return pos - buf;
5929                 pos += res;
5930         }
5931
5932         return pos - buf;
5933 }
5934
5935
5936 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
5937                                   const char *param)
5938 {
5939         unsigned int i;
5940
5941         if (wpa_s->global->p2p == NULL)
5942                 return -1;
5943
5944         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
5945                 return -1;
5946
5947         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
5948                 struct wpa_freq_range *freq;
5949                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
5950                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
5951                            freq->min, freq->max);
5952         }
5953
5954         wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_DISALLOW);
5955         return 0;
5956 }
5957
5958
5959 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
5960 {
5961         char *param;
5962
5963         if (wpa_s->global->p2p == NULL)
5964                 return -1;
5965
5966         param = os_strchr(cmd, ' ');
5967         if (param == NULL)
5968                 return -1;
5969         *param++ = '\0';
5970
5971         if (os_strcmp(cmd, "discoverability") == 0) {
5972                 p2p_set_client_discoverability(wpa_s->global->p2p,
5973                                                atoi(param));
5974                 return 0;
5975         }
5976
5977         if (os_strcmp(cmd, "managed") == 0) {
5978                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
5979                 return 0;
5980         }
5981
5982         if (os_strcmp(cmd, "listen_channel") == 0) {
5983                 char *pos;
5984                 u8 channel, op_class;
5985
5986                 channel = atoi(param);
5987                 pos = os_strchr(param, ' ');
5988                 op_class = pos ? atoi(pos) : 81;
5989
5990                 return p2p_set_listen_channel(wpa_s->global->p2p, op_class,
5991                                               channel, 1);
5992         }
5993
5994         if (os_strcmp(cmd, "ssid_postfix") == 0) {
5995                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
5996                                             os_strlen(param));
5997         }
5998
5999         if (os_strcmp(cmd, "noa") == 0) {
6000                 char *pos;
6001                 int count, start, duration;
6002                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
6003                 count = atoi(param);
6004                 pos = os_strchr(param, ',');
6005                 if (pos == NULL)
6006                         return -1;
6007                 pos++;
6008                 start = atoi(pos);
6009                 pos = os_strchr(pos, ',');
6010                 if (pos == NULL)
6011                         return -1;
6012                 pos++;
6013                 duration = atoi(pos);
6014                 if (count < 0 || count > 255 || start < 0 || duration < 0)
6015                         return -1;
6016                 if (count == 0 && duration > 0)
6017                         return -1;
6018                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
6019                            "start=%d duration=%d", count, start, duration);
6020                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
6021         }
6022
6023         if (os_strcmp(cmd, "ps") == 0)
6024                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
6025
6026         if (os_strcmp(cmd, "oppps") == 0)
6027                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
6028
6029         if (os_strcmp(cmd, "ctwindow") == 0)
6030                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
6031
6032         if (os_strcmp(cmd, "disabled") == 0) {
6033                 wpa_s->global->p2p_disabled = atoi(param);
6034                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
6035                            wpa_s->global->p2p_disabled ?
6036                            "disabled" : "enabled");
6037                 if (wpa_s->global->p2p_disabled) {
6038                         wpas_p2p_stop_find(wpa_s);
6039                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
6040                         p2p_flush(wpa_s->global->p2p);
6041                 }
6042                 return 0;
6043         }
6044
6045         if (os_strcmp(cmd, "conc_pref") == 0) {
6046                 if (os_strcmp(param, "sta") == 0)
6047                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
6048                 else if (os_strcmp(param, "p2p") == 0)
6049                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
6050                 else {
6051                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
6052                         return -1;
6053                 }
6054                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
6055                            "%s", param);
6056                 return 0;
6057         }
6058
6059         if (os_strcmp(cmd, "force_long_sd") == 0) {
6060                 wpa_s->force_long_sd = atoi(param);
6061                 return 0;
6062         }
6063
6064         if (os_strcmp(cmd, "peer_filter") == 0) {
6065                 u8 addr[ETH_ALEN];
6066                 if (hwaddr_aton(param, addr))
6067                         return -1;
6068                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
6069                 return 0;
6070         }
6071
6072         if (os_strcmp(cmd, "cross_connect") == 0)
6073                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
6074
6075         if (os_strcmp(cmd, "go_apsd") == 0) {
6076                 if (os_strcmp(param, "disable") == 0)
6077                         wpa_s->set_ap_uapsd = 0;
6078                 else {
6079                         wpa_s->set_ap_uapsd = 1;
6080                         wpa_s->ap_uapsd = atoi(param);
6081                 }
6082                 return 0;
6083         }
6084
6085         if (os_strcmp(cmd, "client_apsd") == 0) {
6086                 if (os_strcmp(param, "disable") == 0)
6087                         wpa_s->set_sta_uapsd = 0;
6088                 else {
6089                         int be, bk, vi, vo;
6090                         char *pos;
6091                         /* format: BE,BK,VI,VO;max SP Length */
6092                         be = atoi(param);
6093                         pos = os_strchr(param, ',');
6094                         if (pos == NULL)
6095                                 return -1;
6096                         pos++;
6097                         bk = atoi(pos);
6098                         pos = os_strchr(pos, ',');
6099                         if (pos == NULL)
6100                                 return -1;
6101                         pos++;
6102                         vi = atoi(pos);
6103                         pos = os_strchr(pos, ',');
6104                         if (pos == NULL)
6105                                 return -1;
6106                         pos++;
6107                         vo = atoi(pos);
6108                         /* ignore max SP Length for now */
6109
6110                         wpa_s->set_sta_uapsd = 1;
6111                         wpa_s->sta_uapsd = 0;
6112                         if (be)
6113                                 wpa_s->sta_uapsd |= BIT(0);
6114                         if (bk)
6115                                 wpa_s->sta_uapsd |= BIT(1);
6116                         if (vi)
6117                                 wpa_s->sta_uapsd |= BIT(2);
6118                         if (vo)
6119                                 wpa_s->sta_uapsd |= BIT(3);
6120                 }
6121                 return 0;
6122         }
6123
6124         if (os_strcmp(cmd, "disallow_freq") == 0)
6125                 return p2p_ctrl_disallow_freq(wpa_s, param);
6126
6127         if (os_strcmp(cmd, "disc_int") == 0) {
6128                 int min_disc_int, max_disc_int, max_disc_tu;
6129                 char *pos;
6130
6131                 pos = param;
6132
6133                 min_disc_int = atoi(pos);
6134                 pos = os_strchr(pos, ' ');
6135                 if (pos == NULL)
6136                         return -1;
6137                 *pos++ = '\0';
6138
6139                 max_disc_int = atoi(pos);
6140                 pos = os_strchr(pos, ' ');
6141                 if (pos == NULL)
6142                         return -1;
6143                 *pos++ = '\0';
6144
6145                 max_disc_tu = atoi(pos);
6146
6147                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
6148                                         max_disc_int, max_disc_tu);
6149         }
6150
6151         if (os_strcmp(cmd, "per_sta_psk") == 0) {
6152                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
6153                 return 0;
6154         }
6155
6156 #ifdef CONFIG_WPS_NFC
6157         if (os_strcmp(cmd, "nfc_tag") == 0)
6158                 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
6159 #endif /* CONFIG_WPS_NFC */
6160
6161         if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
6162                 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
6163                 return 0;
6164         }
6165
6166         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
6167                    cmd);
6168
6169         return -1;
6170 }
6171
6172
6173 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
6174 {
6175         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
6176         wpa_s->force_long_sd = 0;
6177         wpas_p2p_stop_find(wpa_s);
6178         wpa_s->parent->p2ps_method_config_any = 0;
6179         if (wpa_s->global->p2p)
6180                 p2p_flush(wpa_s->global->p2p);
6181 }
6182
6183
6184 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
6185 {
6186         char *pos, *pos2;
6187         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
6188
6189         if (cmd[0]) {
6190                 pos = os_strchr(cmd, ' ');
6191                 if (pos == NULL)
6192                         return -1;
6193                 *pos++ = '\0';
6194                 dur1 = atoi(cmd);
6195
6196                 pos2 = os_strchr(pos, ' ');
6197                 if (pos2)
6198                         *pos2++ = '\0';
6199                 int1 = atoi(pos);
6200         } else
6201                 pos2 = NULL;
6202
6203         if (pos2) {
6204                 pos = os_strchr(pos2, ' ');
6205                 if (pos == NULL)
6206                         return -1;
6207                 *pos++ = '\0';
6208                 dur2 = atoi(pos2);
6209                 int2 = atoi(pos);
6210         }
6211
6212         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
6213 }
6214
6215
6216 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
6217 {
6218         char *pos;
6219         unsigned int period = 0, interval = 0;
6220
6221         if (cmd[0]) {
6222                 pos = os_strchr(cmd, ' ');
6223                 if (pos == NULL)
6224                         return -1;
6225                 *pos++ = '\0';
6226                 period = atoi(cmd);
6227                 interval = atoi(pos);
6228         }
6229
6230         return wpas_p2p_ext_listen(wpa_s, period, interval);
6231 }
6232
6233
6234 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
6235 {
6236         const char *pos;
6237         u8 peer[ETH_ALEN];
6238         int iface_addr = 0;
6239
6240         pos = cmd;
6241         if (os_strncmp(pos, "iface=", 6) == 0) {
6242                 iface_addr = 1;
6243                 pos += 6;
6244         }
6245         if (hwaddr_aton(pos, peer))
6246                 return -1;
6247
6248         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
6249         return 0;
6250 }
6251
6252
6253 static int p2p_ctrl_iface_p2p_lo_start(struct wpa_supplicant *wpa_s, char *cmd)
6254 {
6255         int freq = 0, period = 0, interval = 0, count = 0;
6256
6257         if (sscanf(cmd, "%d %d %d %d", &freq, &period, &interval, &count) != 4)
6258         {
6259                 wpa_printf(MSG_DEBUG,
6260                            "CTRL: Invalid P2P LO Start parameter: '%s'", cmd);
6261                 return -1;
6262         }
6263
6264         return wpas_p2p_lo_start(wpa_s, freq, period, interval, count);
6265 }
6266
6267 #endif /* CONFIG_P2P */
6268
6269
6270 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
6271 {
6272         struct wpa_freq_range_list ranges;
6273         int *freqs = NULL;
6274         struct hostapd_hw_modes *mode;
6275         u16 i;
6276
6277         if (wpa_s->hw.modes == NULL)
6278                 return NULL;
6279
6280         os_memset(&ranges, 0, sizeof(ranges));
6281         if (freq_range_list_parse(&ranges, val) < 0)
6282                 return NULL;
6283
6284         for (i = 0; i < wpa_s->hw.num_modes; i++) {
6285                 int j;
6286
6287                 mode = &wpa_s->hw.modes[i];
6288                 for (j = 0; j < mode->num_channels; j++) {
6289                         unsigned int freq;
6290
6291                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
6292                                 continue;
6293
6294                         freq = mode->channels[j].freq;
6295                         if (!freq_range_list_includes(&ranges, freq))
6296                                 continue;
6297
6298                         int_array_add_unique(&freqs, freq);
6299                 }
6300         }
6301
6302         os_free(ranges.range);
6303         return freqs;
6304 }
6305
6306
6307 #ifdef CONFIG_INTERWORKING
6308
6309 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
6310 {
6311         int auto_sel = 0;
6312         int *freqs = NULL;
6313
6314         if (param) {
6315                 char *pos;
6316
6317                 auto_sel = os_strstr(param, "auto") != NULL;
6318
6319                 pos = os_strstr(param, "freq=");
6320                 if (pos) {
6321                         freqs = freq_range_to_channel_list(wpa_s, pos + 5);
6322                         if (freqs == NULL)
6323                                 return -1;
6324                 }
6325
6326         }
6327
6328         return interworking_select(wpa_s, auto_sel, freqs);
6329 }
6330
6331
6332 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst,
6333                                      int only_add)
6334 {
6335         u8 bssid[ETH_ALEN];
6336         struct wpa_bss *bss;
6337
6338         if (hwaddr_aton(dst, bssid)) {
6339                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
6340                 return -1;
6341         }
6342
6343         bss = wpa_bss_get_bssid(wpa_s, bssid);
6344         if (bss == NULL) {
6345                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
6346                            MAC2STR(bssid));
6347                 return -1;
6348         }
6349
6350         if (bss->ssid_len == 0) {
6351                 int found = 0;
6352
6353                 wpa_printf(MSG_DEBUG, "Selected BSS entry for " MACSTR
6354                            " does not have SSID information", MAC2STR(bssid));
6355
6356                 dl_list_for_each_reverse(bss, &wpa_s->bss, struct wpa_bss,
6357                                          list) {
6358                         if (os_memcmp(bss->bssid, bssid, ETH_ALEN) == 0 &&
6359                             bss->ssid_len > 0) {
6360                                 found = 1;
6361                                 break;
6362                         }
6363                 }
6364
6365                 if (!found)
6366                         return -1;
6367                 wpa_printf(MSG_DEBUG,
6368                            "Found another matching BSS entry with SSID");
6369         }
6370
6371         return interworking_connect(wpa_s, bss, only_add);
6372 }
6373
6374
6375 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
6376 {
6377         u8 dst_addr[ETH_ALEN];
6378         int used;
6379         char *pos;
6380 #define MAX_ANQP_INFO_ID 100
6381         u16 id[MAX_ANQP_INFO_ID];
6382         size_t num_id = 0;
6383         u32 subtypes = 0;
6384
6385         used = hwaddr_aton2(dst, dst_addr);
6386         if (used < 0)
6387                 return -1;
6388         pos = dst + used;
6389         if (*pos == ' ')
6390                 pos++;
6391         while (num_id < MAX_ANQP_INFO_ID) {
6392                 if (os_strncmp(pos, "hs20:", 5) == 0) {
6393 #ifdef CONFIG_HS20
6394                         int num = atoi(pos + 5);
6395                         if (num <= 0 || num > 31)
6396                                 return -1;
6397                         subtypes |= BIT(num);
6398 #else /* CONFIG_HS20 */
6399                         return -1;
6400 #endif /* CONFIG_HS20 */
6401                 } else {
6402                         id[num_id] = atoi(pos);
6403                         if (id[num_id])
6404                                 num_id++;
6405                 }
6406                 pos = os_strchr(pos + 1, ',');
6407                 if (pos == NULL)
6408                         break;
6409                 pos++;
6410         }
6411
6412         if (num_id == 0)
6413                 return -1;
6414
6415         return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes);
6416 }
6417
6418
6419 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
6420 {
6421         u8 dst_addr[ETH_ALEN];
6422         struct wpabuf *advproto, *query = NULL;
6423         int used, ret = -1;
6424         char *pos, *end;
6425         size_t len;
6426
6427         used = hwaddr_aton2(cmd, dst_addr);
6428         if (used < 0)
6429                 return -1;
6430
6431         pos = cmd + used;
6432         while (*pos == ' ')
6433                 pos++;
6434
6435         /* Advertisement Protocol ID */
6436         end = os_strchr(pos, ' ');
6437         if (end)
6438                 len = end - pos;
6439         else
6440                 len = os_strlen(pos);
6441         if (len & 0x01)
6442                 return -1;
6443         len /= 2;
6444         if (len == 0)
6445                 return -1;
6446         advproto = wpabuf_alloc(len);
6447         if (advproto == NULL)
6448                 return -1;
6449         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
6450                 goto fail;
6451
6452         if (end) {
6453                 /* Optional Query Request */
6454                 pos = end + 1;
6455                 while (*pos == ' ')
6456                         pos++;
6457
6458                 len = os_strlen(pos);
6459                 if (len) {
6460                         if (len & 0x01)
6461                                 goto fail;
6462                         len /= 2;
6463                         if (len == 0)
6464                                 goto fail;
6465                         query = wpabuf_alloc(len);
6466                         if (query == NULL)
6467                                 goto fail;
6468                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
6469                                 goto fail;
6470                 }
6471         }
6472
6473         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
6474
6475 fail:
6476         wpabuf_free(advproto);
6477         wpabuf_free(query);
6478
6479         return ret;
6480 }
6481
6482
6483 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
6484                             size_t buflen)
6485 {
6486         u8 addr[ETH_ALEN];
6487         int dialog_token;
6488         int used;
6489         char *pos;
6490         size_t resp_len, start, requested_len;
6491         struct wpabuf *resp;
6492         int ret;
6493
6494         used = hwaddr_aton2(cmd, addr);
6495         if (used < 0)
6496                 return -1;
6497
6498         pos = cmd + used;
6499         while (*pos == ' ')
6500                 pos++;
6501         dialog_token = atoi(pos);
6502
6503         if (wpa_s->last_gas_resp &&
6504             os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
6505             dialog_token == wpa_s->last_gas_dialog_token)
6506                 resp = wpa_s->last_gas_resp;
6507         else if (wpa_s->prev_gas_resp &&
6508                  os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
6509                  dialog_token == wpa_s->prev_gas_dialog_token)
6510                 resp = wpa_s->prev_gas_resp;
6511         else
6512                 return -1;
6513
6514         resp_len = wpabuf_len(resp);
6515         start = 0;
6516         requested_len = resp_len;
6517
6518         pos = os_strchr(pos, ' ');
6519         if (pos) {
6520                 start = atoi(pos);
6521                 if (start > resp_len)
6522                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6523                 pos = os_strchr(pos, ',');
6524                 if (pos == NULL)
6525                         return -1;
6526                 pos++;
6527                 requested_len = atoi(pos);
6528                 if (start + requested_len > resp_len)
6529                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6530         }
6531
6532         if (requested_len * 2 + 1 > buflen)
6533                 return os_snprintf(buf, buflen, "FAIL-Too long response");
6534
6535         ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
6536                                requested_len);
6537
6538         if (start + requested_len == resp_len) {
6539                 /*
6540                  * Free memory by dropping the response after it has been
6541                  * fetched.
6542                  */
6543                 if (resp == wpa_s->prev_gas_resp) {
6544                         wpabuf_free(wpa_s->prev_gas_resp);
6545                         wpa_s->prev_gas_resp = NULL;
6546                 } else {
6547                         wpabuf_free(wpa_s->last_gas_resp);
6548                         wpa_s->last_gas_resp = NULL;
6549                 }
6550         }
6551
6552         return ret;
6553 }
6554 #endif /* CONFIG_INTERWORKING */
6555
6556
6557 #ifdef CONFIG_HS20
6558
6559 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
6560 {
6561         u8 dst_addr[ETH_ALEN];
6562         int used;
6563         char *pos;
6564         u32 subtypes = 0;
6565
6566         used = hwaddr_aton2(dst, dst_addr);
6567         if (used < 0)
6568                 return -1;
6569         pos = dst + used;
6570         if (*pos == ' ')
6571                 pos++;
6572         for (;;) {
6573                 int num = atoi(pos);
6574                 if (num <= 0 || num > 31)
6575                         return -1;
6576                 subtypes |= BIT(num);
6577                 pos = os_strchr(pos + 1, ',');
6578                 if (pos == NULL)
6579                         break;
6580                 pos++;
6581         }
6582
6583         if (subtypes == 0)
6584                 return -1;
6585
6586         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0, 0);
6587 }
6588
6589
6590 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6591                                     const u8 *addr, const char *realm)
6592 {
6593         u8 *buf;
6594         size_t rlen, len;
6595         int ret;
6596
6597         rlen = os_strlen(realm);
6598         len = 3 + rlen;
6599         buf = os_malloc(len);
6600         if (buf == NULL)
6601                 return -1;
6602         buf[0] = 1; /* NAI Home Realm Count */
6603         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
6604         buf[2] = rlen;
6605         os_memcpy(buf + 3, realm, rlen);
6606
6607         ret = hs20_anqp_send_req(wpa_s, addr,
6608                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6609                                  buf, len, 0);
6610
6611         os_free(buf);
6612
6613         return ret;
6614 }
6615
6616
6617 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6618                                         char *dst)
6619 {
6620         struct wpa_cred *cred = wpa_s->conf->cred;
6621         u8 dst_addr[ETH_ALEN];
6622         int used;
6623         u8 *buf;
6624         size_t len;
6625         int ret;
6626
6627         used = hwaddr_aton2(dst, dst_addr);
6628         if (used < 0)
6629                 return -1;
6630
6631         while (dst[used] == ' ')
6632                 used++;
6633         if (os_strncmp(dst + used, "realm=", 6) == 0)
6634                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
6635                                                 dst + used + 6);
6636
6637         len = os_strlen(dst + used);
6638
6639         if (len == 0 && cred && cred->realm)
6640                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
6641
6642         if (len & 1)
6643                 return -1;
6644         len /= 2;
6645         buf = os_malloc(len);
6646         if (buf == NULL)
6647                 return -1;
6648         if (hexstr2bin(dst + used, buf, len) < 0) {
6649                 os_free(buf);
6650                 return -1;
6651         }
6652
6653         ret = hs20_anqp_send_req(wpa_s, dst_addr,
6654                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6655                                  buf, len, 0);
6656         os_free(buf);
6657
6658         return ret;
6659 }
6660
6661
6662 static int get_hs20_icon(struct wpa_supplicant *wpa_s, char *cmd, char *reply,
6663                          int buflen)
6664 {
6665         u8 dst_addr[ETH_ALEN];
6666         int used;
6667         char *ctx = NULL, *icon, *poffset, *psize;
6668
6669         used = hwaddr_aton2(cmd, dst_addr);
6670         if (used < 0)
6671                 return -1;
6672         cmd += used;
6673
6674         icon = str_token(cmd, " ", &ctx);
6675         poffset = str_token(cmd, " ", &ctx);
6676         psize = str_token(cmd, " ", &ctx);
6677         if (!icon || !poffset || !psize)
6678                 return -1;
6679
6680         wpa_s->fetch_osu_icon_in_progress = 0;
6681         return hs20_get_icon(wpa_s, dst_addr, icon, atoi(poffset), atoi(psize),
6682                              reply, buflen);
6683 }
6684
6685
6686 static int del_hs20_icon(struct wpa_supplicant *wpa_s, char *cmd)
6687 {
6688         u8 dst_addr[ETH_ALEN];
6689         int used;
6690         char *icon;
6691
6692         if (!cmd[0])
6693                 return hs20_del_icon(wpa_s, NULL, NULL);
6694
6695         used = hwaddr_aton2(cmd, dst_addr);
6696         if (used < 0)
6697                 return -1;
6698
6699         while (cmd[used] == ' ')
6700                 used++;
6701         icon = cmd[used] ? &cmd[used] : NULL;
6702
6703         return hs20_del_icon(wpa_s, dst_addr, icon);
6704 }
6705
6706
6707 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd, int inmem)
6708 {
6709         u8 dst_addr[ETH_ALEN];
6710         int used;
6711         char *icon;
6712
6713         used = hwaddr_aton2(cmd, dst_addr);
6714         if (used < 0)
6715                 return -1;
6716
6717         while (cmd[used] == ' ')
6718                 used++;
6719         icon = &cmd[used];
6720
6721         wpa_s->fetch_osu_icon_in_progress = 0;
6722         return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
6723                                   (u8 *) icon, os_strlen(icon), inmem);
6724 }
6725
6726 #endif /* CONFIG_HS20 */
6727
6728
6729 #ifdef CONFIG_AUTOSCAN
6730
6731 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
6732                                               char *cmd)
6733 {
6734         enum wpa_states state = wpa_s->wpa_state;
6735         char *new_params = NULL;
6736
6737         if (os_strlen(cmd) > 0) {
6738                 new_params = os_strdup(cmd);
6739                 if (new_params == NULL)
6740                         return -1;
6741         }
6742
6743         os_free(wpa_s->conf->autoscan);
6744         wpa_s->conf->autoscan = new_params;
6745
6746         if (wpa_s->conf->autoscan == NULL)
6747                 autoscan_deinit(wpa_s);
6748         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
6749                 autoscan_init(wpa_s, 1);
6750         else if (state == WPA_SCANNING)
6751                 wpa_supplicant_reinit_autoscan(wpa_s);
6752
6753         return 0;
6754 }
6755
6756 #endif /* CONFIG_AUTOSCAN */
6757
6758
6759 #ifdef CONFIG_WNM
6760
6761 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
6762 {
6763         int enter;
6764         int intval = 0;
6765         char *pos;
6766         int ret;
6767         struct wpabuf *tfs_req = NULL;
6768
6769         if (os_strncmp(cmd, "enter", 5) == 0)
6770                 enter = 1;
6771         else if (os_strncmp(cmd, "exit", 4) == 0)
6772                 enter = 0;
6773         else
6774                 return -1;
6775
6776         pos = os_strstr(cmd, " interval=");
6777         if (pos)
6778                 intval = atoi(pos + 10);
6779
6780         pos = os_strstr(cmd, " tfs_req=");
6781         if (pos) {
6782                 char *end;
6783                 size_t len;
6784                 pos += 9;
6785                 end = os_strchr(pos, ' ');
6786                 if (end)
6787                         len = end - pos;
6788                 else
6789                         len = os_strlen(pos);
6790                 if (len & 1)
6791                         return -1;
6792                 len /= 2;
6793                 tfs_req = wpabuf_alloc(len);
6794                 if (tfs_req == NULL)
6795                         return -1;
6796                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
6797                         wpabuf_free(tfs_req);
6798                         return -1;
6799                 }
6800         }
6801
6802         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
6803                                            WNM_SLEEP_MODE_EXIT, intval,
6804                                            tfs_req);
6805         wpabuf_free(tfs_req);
6806
6807         return ret;
6808 }
6809
6810
6811 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
6812 {
6813         int query_reason, list = 0;
6814
6815         query_reason = atoi(cmd);
6816
6817         cmd = os_strchr(cmd, ' ');
6818         if (cmd) {
6819                 cmd++;
6820                 if (os_strncmp(cmd, "list", 4) == 0) {
6821                         list = 1;
6822                 } else {
6823                         wpa_printf(MSG_DEBUG, "WNM Query: Invalid option %s",
6824                                    cmd);
6825                         return -1;
6826                 }
6827         }
6828
6829         wpa_printf(MSG_DEBUG,
6830                    "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d%s",
6831                    query_reason, list ? " candidate list" : "");
6832
6833         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason, list);
6834 }
6835
6836 #endif /* CONFIG_WNM */
6837
6838
6839 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
6840                                       size_t buflen)
6841 {
6842         struct wpa_signal_info si;
6843         int ret;
6844         char *pos, *end;
6845
6846         ret = wpa_drv_signal_poll(wpa_s, &si);
6847         if (ret)
6848                 return -1;
6849
6850         pos = buf;
6851         end = buf + buflen;
6852
6853         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
6854                           "NOISE=%d\nFREQUENCY=%u\n",
6855                           si.current_signal, si.current_txrate / 1000,
6856                           si.current_noise, si.frequency);
6857         if (os_snprintf_error(end - pos, ret))
6858                 return -1;
6859         pos += ret;
6860
6861         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
6862                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
6863                                   channel_width_to_string(si.chanwidth));
6864                 if (os_snprintf_error(end - pos, ret))
6865                         return -1;
6866                 pos += ret;
6867         }
6868
6869         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
6870                 ret = os_snprintf(pos, end - pos,
6871                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
6872                                   si.center_frq1, si.center_frq2);
6873                 if (os_snprintf_error(end - pos, ret))
6874                         return -1;
6875                 pos += ret;
6876         }
6877
6878         if (si.avg_signal) {
6879                 ret = os_snprintf(pos, end - pos,
6880                                   "AVG_RSSI=%d\n", si.avg_signal);
6881                 if (os_snprintf_error(end - pos, ret))
6882                         return -1;
6883                 pos += ret;
6884         }
6885
6886         if (si.avg_beacon_signal) {
6887                 ret = os_snprintf(pos, end - pos,
6888                                   "AVG_BEACON_RSSI=%d\n", si.avg_beacon_signal);
6889                 if (os_snprintf_error(end - pos, ret))
6890                         return -1;
6891                 pos += ret;
6892         }
6893
6894         return pos - buf;
6895 }
6896
6897
6898 static int wpas_ctrl_iface_signal_monitor(struct wpa_supplicant *wpa_s,
6899                                           const char *cmd)
6900 {
6901         const char *pos;
6902         int threshold = 0;
6903         int hysteresis = 0;
6904
6905         if (wpa_s->bgscan && wpa_s->bgscan_priv) {
6906                 wpa_printf(MSG_DEBUG,
6907                            "Reject SIGNAL_MONITOR command - bgscan is active");
6908                 return -1;
6909         }
6910         pos = os_strstr(cmd, "THRESHOLD=");
6911         if (pos)
6912                 threshold = atoi(pos + 10);
6913         pos = os_strstr(cmd, "HYSTERESIS=");
6914         if (pos)
6915                 hysteresis = atoi(pos + 11);
6916         return wpa_drv_signal_monitor(wpa_s, threshold, hysteresis);
6917 }
6918
6919
6920 static int wpas_ctrl_iface_get_pref_freq_list(
6921         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
6922 {
6923         unsigned int freq_list[100], num = 100, i;
6924         int ret;
6925         enum wpa_driver_if_type iface_type;
6926         char *pos, *end;
6927
6928         pos = buf;
6929         end = buf + buflen;
6930
6931         /* buf: "<interface_type>" */
6932         if (os_strcmp(cmd, "STATION") == 0)
6933                 iface_type = WPA_IF_STATION;
6934         else if (os_strcmp(cmd, "AP") == 0)
6935                 iface_type = WPA_IF_AP_BSS;
6936         else if (os_strcmp(cmd, "P2P_GO") == 0)
6937                 iface_type = WPA_IF_P2P_GO;
6938         else if (os_strcmp(cmd, "P2P_CLIENT") == 0)
6939                 iface_type = WPA_IF_P2P_CLIENT;
6940         else if (os_strcmp(cmd, "IBSS") == 0)
6941                 iface_type = WPA_IF_IBSS;
6942         else if (os_strcmp(cmd, "TDLS") == 0)
6943                 iface_type = WPA_IF_TDLS;
6944         else
6945                 return -1;
6946
6947         wpa_printf(MSG_DEBUG,
6948                    "CTRL_IFACE: GET_PREF_FREQ_LIST iface_type=%d (%s)",
6949                    iface_type, buf);
6950
6951         ret = wpa_drv_get_pref_freq_list(wpa_s, iface_type, &num, freq_list);
6952         if (ret)
6953                 return -1;
6954
6955         for (i = 0; i < num; i++) {
6956                 ret = os_snprintf(pos, end - pos, "%s%u",
6957                                   i > 0 ? "," : "", freq_list[i]);
6958                 if (os_snprintf_error(end - pos, ret))
6959                         return -1;
6960                 pos += ret;
6961         }
6962
6963         return pos - buf;
6964 }
6965
6966
6967 static int wpas_ctrl_iface_driver_flags(struct wpa_supplicant *wpa_s,
6968                                         char *buf, size_t buflen)
6969 {
6970         int ret, i;
6971         char *pos, *end;
6972
6973         ret = os_snprintf(buf, buflen, "%016llX:\n",
6974                           (long long unsigned) wpa_s->drv_flags);
6975         if (os_snprintf_error(buflen, ret))
6976                 return -1;
6977
6978         pos = buf + ret;
6979         end = buf + buflen;
6980
6981         for (i = 0; i < 64; i++) {
6982                 if (wpa_s->drv_flags & (1LLU << i)) {
6983                         ret = os_snprintf(pos, end - pos, "%s\n",
6984                                           driver_flag_to_string(1LLU << i));
6985                         if (os_snprintf_error(end - pos, ret))
6986                                 return -1;
6987                         pos += ret;
6988                 }
6989         }
6990
6991         return pos - buf;
6992 }
6993
6994
6995 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
6996                                       size_t buflen)
6997 {
6998         struct hostap_sta_driver_data sta;
6999         int ret;
7000
7001         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
7002         if (ret)
7003                 return -1;
7004
7005         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
7006                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
7007         if (os_snprintf_error(buflen, ret))
7008                 return -1;
7009         return ret;
7010 }
7011
7012
7013 #ifdef ANDROID
7014 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
7015                                      char *buf, size_t buflen)
7016 {
7017         int ret;
7018
7019         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
7020         if (ret == 0) {
7021                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
7022                         struct p2p_data *p2p = wpa_s->global->p2p;
7023                         if (p2p) {
7024                                 char country[3];
7025                                 country[0] = cmd[8];
7026                                 country[1] = cmd[9];
7027                                 country[2] = 0x04;
7028                                 p2p_set_country(p2p, country);
7029                         }
7030                 }
7031                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
7032                 if (os_snprintf_error(buflen, ret))
7033                         ret = -1;
7034         }
7035         return ret;
7036 }
7037 #endif /* ANDROID */
7038
7039
7040 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
7041                                      char *buf, size_t buflen)
7042 {
7043         int ret;
7044         char *pos;
7045         u8 *data = NULL;
7046         unsigned int vendor_id, subcmd;
7047         struct wpabuf *reply;
7048         size_t data_len = 0;
7049
7050         /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
7051         vendor_id = strtoul(cmd, &pos, 16);
7052         if (!isblank((unsigned char) *pos))
7053                 return -EINVAL;
7054
7055         subcmd = strtoul(pos, &pos, 10);
7056
7057         if (*pos != '\0') {
7058                 if (!isblank((unsigned char) *pos++))
7059                         return -EINVAL;
7060                 data_len = os_strlen(pos);
7061         }
7062
7063         if (data_len) {
7064                 data_len /= 2;
7065                 data = os_malloc(data_len);
7066                 if (!data)
7067                         return -1;
7068
7069                 if (hexstr2bin(pos, data, data_len)) {
7070                         wpa_printf(MSG_DEBUG,
7071                                    "Vendor command: wrong parameter format");
7072                         os_free(data);
7073                         return -EINVAL;
7074                 }
7075         }
7076
7077         reply = wpabuf_alloc((buflen - 1) / 2);
7078         if (!reply) {
7079                 os_free(data);
7080                 return -1;
7081         }
7082
7083         ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
7084                                  reply);
7085
7086         if (ret == 0)
7087                 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
7088                                        wpabuf_len(reply));
7089
7090         wpabuf_free(reply);
7091         os_free(data);
7092
7093         return ret;
7094 }
7095
7096
7097 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
7098 {
7099 #ifdef CONFIG_P2P
7100         struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s ?
7101                 wpa_s->global->p2p_init_wpa_s : wpa_s;
7102 #endif /* CONFIG_P2P */
7103
7104         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
7105
7106         wpas_abort_ongoing_scan(wpa_s);
7107
7108         if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
7109                 /*
7110                  * Avoid possible auto connect re-connection on getting
7111                  * disconnected due to state flush.
7112                  */
7113                 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
7114         }
7115
7116 #ifdef CONFIG_P2P
7117         wpas_p2p_group_remove(p2p_wpa_s, "*");
7118         wpas_p2p_cancel(p2p_wpa_s);
7119         p2p_ctrl_flush(p2p_wpa_s);
7120         wpas_p2p_service_flush(p2p_wpa_s);
7121         p2p_wpa_s->global->p2p_disabled = 0;
7122         p2p_wpa_s->global->p2p_per_sta_psk = 0;
7123         p2p_wpa_s->conf->num_sec_device_types = 0;
7124         p2p_wpa_s->p2p_disable_ip_addr_req = 0;
7125         os_free(p2p_wpa_s->global->p2p_go_avoid_freq.range);
7126         p2p_wpa_s->global->p2p_go_avoid_freq.range = NULL;
7127         p2p_wpa_s->global->p2p_go_avoid_freq.num = 0;
7128         p2p_wpa_s->global->pending_p2ps_group = 0;
7129         p2p_wpa_s->global->pending_p2ps_group_freq = 0;
7130 #endif /* CONFIG_P2P */
7131
7132 #ifdef CONFIG_WPS_TESTING
7133         wps_version_number = 0x20;
7134         wps_testing_dummy_cred = 0;
7135         wps_corrupt_pkhash = 0;
7136         wps_force_auth_types_in_use = 0;
7137         wps_force_encr_types_in_use = 0;
7138 #endif /* CONFIG_WPS_TESTING */
7139 #ifdef CONFIG_WPS
7140         wpa_s->wps_fragment_size = 0;
7141         wpas_wps_cancel(wpa_s);
7142         wps_registrar_flush(wpa_s->wps->registrar);
7143 #endif /* CONFIG_WPS */
7144         wpa_s->after_wps = 0;
7145         wpa_s->known_wps_freq = 0;
7146
7147 #ifdef CONFIG_TDLS
7148 #ifdef CONFIG_TDLS_TESTING
7149         tdls_testing = 0;
7150 #endif /* CONFIG_TDLS_TESTING */
7151         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
7152         wpa_tdls_enable(wpa_s->wpa, 1);
7153 #endif /* CONFIG_TDLS */
7154
7155         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
7156         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
7157
7158         wpa_s->no_keep_alive = 0;
7159         wpa_s->own_disconnect_req = 0;
7160
7161         os_free(wpa_s->disallow_aps_bssid);
7162         wpa_s->disallow_aps_bssid = NULL;
7163         wpa_s->disallow_aps_bssid_count = 0;
7164         os_free(wpa_s->disallow_aps_ssid);
7165         wpa_s->disallow_aps_ssid = NULL;
7166         wpa_s->disallow_aps_ssid_count = 0;
7167
7168         wpa_s->set_sta_uapsd = 0;
7169         wpa_s->sta_uapsd = 0;
7170
7171         wpa_drv_radio_disable(wpa_s, 0);
7172         wpa_blacklist_clear(wpa_s);
7173         wpa_s->extra_blacklist_count = 0;
7174         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
7175         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
7176         wpa_config_flush_blobs(wpa_s->conf);
7177         wpa_s->conf->auto_interworking = 0;
7178         wpa_s->conf->okc = 0;
7179
7180         wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
7181         rsn_preauth_deinit(wpa_s->wpa);
7182
7183         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
7184         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
7185         wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
7186         eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
7187
7188         radio_remove_works(wpa_s, NULL, 1);
7189         wpa_s->ext_work_in_progress = 0;
7190
7191         wpa_s->next_ssid = NULL;
7192
7193 #ifdef CONFIG_INTERWORKING
7194 #ifdef CONFIG_HS20
7195         hs20_cancel_fetch_osu(wpa_s);
7196         hs20_del_icon(wpa_s, NULL, NULL);
7197 #endif /* CONFIG_HS20 */
7198 #endif /* CONFIG_INTERWORKING */
7199
7200         wpa_s->ext_mgmt_frame_handling = 0;
7201         wpa_s->ext_eapol_frame_io = 0;
7202 #ifdef CONFIG_TESTING_OPTIONS
7203         wpa_s->extra_roc_dur = 0;
7204         wpa_s->test_failure = WPAS_TEST_FAILURE_NONE;
7205         wpa_s->p2p_go_csa_on_inv = 0;
7206         wpa_s->ignore_auth_resp = 0;
7207         wpa_s->ignore_assoc_disallow = 0;
7208         wpa_sm_set_test_assoc_ie(wpa_s->wpa, NULL);
7209 #endif /* CONFIG_TESTING_OPTIONS */
7210
7211         wpa_s->disconnected = 0;
7212         os_free(wpa_s->next_scan_freqs);
7213         wpa_s->next_scan_freqs = NULL;
7214
7215         wpa_bss_flush(wpa_s);
7216         if (!dl_list_empty(&wpa_s->bss)) {
7217                 wpa_printf(MSG_DEBUG,
7218                            "BSS table not empty after flush: %u entries, current_bss=%p bssid="
7219                            MACSTR " pending_bssid=" MACSTR,
7220                            dl_list_len(&wpa_s->bss), wpa_s->current_bss,
7221                            MAC2STR(wpa_s->bssid),
7222                            MAC2STR(wpa_s->pending_bssid));
7223         }
7224
7225         eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
7226         wpa_s->wnmsleep_used = 0;
7227
7228 #ifdef CONFIG_SME
7229         wpa_s->sme.last_unprot_disconnect.sec = 0;
7230 #endif /* CONFIG_SME */
7231 }
7232
7233
7234 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
7235                                      char *buf, size_t buflen)
7236 {
7237         struct wpa_radio_work *work;
7238         char *pos, *end;
7239         struct os_reltime now, diff;
7240
7241         pos = buf;
7242         end = buf + buflen;
7243
7244         os_get_reltime(&now);
7245
7246         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
7247         {
7248                 int ret;
7249
7250                 os_reltime_sub(&now, &work->time, &diff);
7251                 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
7252                                   work->type, work->wpa_s->ifname, work->freq,
7253                                   work->started, diff.sec, diff.usec);
7254                 if (os_snprintf_error(end - pos, ret))
7255                         break;
7256                 pos += ret;
7257         }
7258
7259         return pos - buf;
7260 }
7261
7262
7263 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
7264 {
7265         struct wpa_radio_work *work = eloop_ctx;
7266         struct wpa_external_work *ework = work->ctx;
7267
7268         wpa_dbg(work->wpa_s, MSG_DEBUG,
7269                 "Timing out external radio work %u (%s)",
7270                 ework->id, work->type);
7271         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
7272         work->wpa_s->ext_work_in_progress = 0;
7273         radio_work_done(work);
7274         os_free(ework);
7275 }
7276
7277
7278 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
7279 {
7280         struct wpa_external_work *ework = work->ctx;
7281
7282         if (deinit) {
7283                 if (work->started)
7284                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
7285                                              work, NULL);
7286
7287                 /*
7288                  * work->type points to a buffer in ework, so need to replace
7289                  * that here with a fixed string to avoid use of freed memory
7290                  * in debug prints.
7291                  */
7292                 work->type = "freed-ext-work";
7293                 work->ctx = NULL;
7294                 os_free(ework);
7295                 return;
7296         }
7297
7298         wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
7299                 ework->id, ework->type);
7300         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
7301         work->wpa_s->ext_work_in_progress = 1;
7302         if (!ework->timeout)
7303                 ework->timeout = 10;
7304         eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
7305                                work, NULL);
7306 }
7307
7308
7309 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
7310                                     char *buf, size_t buflen)
7311 {
7312         struct wpa_external_work *ework;
7313         char *pos, *pos2;
7314         size_t type_len;
7315         int ret;
7316         unsigned int freq = 0;
7317
7318         /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
7319
7320         ework = os_zalloc(sizeof(*ework));
7321         if (ework == NULL)
7322                 return -1;
7323
7324         pos = os_strchr(cmd, ' ');
7325         if (pos) {
7326                 type_len = pos - cmd;
7327                 pos++;
7328
7329                 pos2 = os_strstr(pos, "freq=");
7330                 if (pos2)
7331                         freq = atoi(pos2 + 5);
7332
7333                 pos2 = os_strstr(pos, "timeout=");
7334                 if (pos2)
7335                         ework->timeout = atoi(pos2 + 8);
7336         } else {
7337                 type_len = os_strlen(cmd);
7338         }
7339         if (4 + type_len >= sizeof(ework->type))
7340                 type_len = sizeof(ework->type) - 4 - 1;
7341         os_strlcpy(ework->type, "ext:", sizeof(ework->type));
7342         os_memcpy(ework->type + 4, cmd, type_len);
7343         ework->type[4 + type_len] = '\0';
7344
7345         wpa_s->ext_work_id++;
7346         if (wpa_s->ext_work_id == 0)
7347                 wpa_s->ext_work_id++;
7348         ework->id = wpa_s->ext_work_id;
7349
7350         if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
7351                            ework) < 0) {
7352                 os_free(ework);
7353                 return -1;
7354         }
7355
7356         ret = os_snprintf(buf, buflen, "%u", ework->id);
7357         if (os_snprintf_error(buflen, ret))
7358                 return -1;
7359         return ret;
7360 }
7361
7362
7363 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
7364 {
7365         struct wpa_radio_work *work;
7366         unsigned int id = atoi(cmd);
7367
7368         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
7369         {
7370                 struct wpa_external_work *ework;
7371
7372                 if (os_strncmp(work->type, "ext:", 4) != 0)
7373                         continue;
7374                 ework = work->ctx;
7375                 if (id && ework->id != id)
7376                         continue;
7377                 wpa_dbg(wpa_s, MSG_DEBUG,
7378                         "Completed external radio work %u (%s)",
7379                         ework->id, ework->type);
7380                 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
7381                 wpa_s->ext_work_in_progress = 0;
7382                 radio_work_done(work);
7383                 os_free(ework);
7384                 return 3; /* "OK\n" */
7385         }
7386
7387         return -1;
7388 }
7389
7390
7391 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
7392                                 char *buf, size_t buflen)
7393 {
7394         if (os_strcmp(cmd, "show") == 0)
7395                 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
7396         if (os_strncmp(cmd, "add ", 4) == 0)
7397                 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
7398         if (os_strncmp(cmd, "done ", 5) == 0)
7399                 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
7400         return -1;
7401 }
7402
7403
7404 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
7405 {
7406         struct wpa_radio_work *work, *tmp;
7407
7408         if (!wpa_s || !wpa_s->radio)
7409                 return;
7410
7411         dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
7412                               struct wpa_radio_work, list) {
7413                 struct wpa_external_work *ework;
7414
7415                 if (os_strncmp(work->type, "ext:", 4) != 0)
7416                         continue;
7417                 ework = work->ctx;
7418                 wpa_dbg(wpa_s, MSG_DEBUG,
7419                         "Flushing%s external radio work %u (%s)",
7420                         work->started ? " started" : "", ework->id,
7421                         ework->type);
7422                 if (work->started)
7423                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
7424                                              work, NULL);
7425                 radio_work_done(work);
7426                 os_free(ework);
7427         }
7428 }
7429
7430
7431 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
7432 {
7433         struct wpa_supplicant *wpa_s = eloop_ctx;
7434         eapol_sm_notify_ctrl_response(wpa_s->eapol);
7435 }
7436
7437
7438 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value,
7439                               unsigned int *scan_id_count, int scan_id[])
7440 {
7441         const char *pos = value;
7442
7443         while (pos) {
7444                 if (*pos == ' ' || *pos == '\0')
7445                         break;
7446                 if (*scan_id_count == MAX_SCAN_ID)
7447                         return -1;
7448                 scan_id[(*scan_id_count)++] = atoi(pos);
7449                 pos = os_strchr(pos, ',');
7450                 if (pos)
7451                         pos++;
7452         }
7453
7454         return 0;
7455 }
7456
7457
7458 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
7459                            char *reply, int reply_size, int *reply_len)
7460 {
7461         char *pos;
7462         unsigned int manual_scan_passive = 0;
7463         unsigned int manual_scan_use_id = 0;
7464         unsigned int manual_scan_only_new = 0;
7465         unsigned int scan_only = 0;
7466         unsigned int scan_id_count = 0;
7467         int scan_id[MAX_SCAN_ID];
7468         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
7469                                  struct wpa_scan_results *scan_res);
7470         int *manual_scan_freqs = NULL;
7471         struct wpa_ssid_value *ssid = NULL, *ns;
7472         unsigned int ssid_count = 0;
7473
7474         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
7475                 *reply_len = -1;
7476                 return;
7477         }
7478
7479         if (radio_work_pending(wpa_s, "scan")) {
7480                 wpa_printf(MSG_DEBUG,
7481                            "Pending scan scheduled - reject new request");
7482                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7483                 return;
7484         }
7485
7486 #ifdef CONFIG_INTERWORKING
7487         if (wpa_s->fetch_anqp_in_progress || wpa_s->network_select) {
7488                 wpa_printf(MSG_DEBUG,
7489                            "Interworking select in progress - reject new scan");
7490                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7491                 return;
7492         }
7493 #endif /* CONFIG_INTERWORKING */
7494
7495         if (params) {
7496                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
7497                         scan_only = 1;
7498
7499                 pos = os_strstr(params, "freq=");
7500                 if (pos) {
7501                         manual_scan_freqs = freq_range_to_channel_list(wpa_s,
7502                                                                        pos + 5);
7503                         if (manual_scan_freqs == NULL) {
7504                                 *reply_len = -1;
7505                                 goto done;
7506                         }
7507                 }
7508
7509                 pos = os_strstr(params, "passive=");
7510                 if (pos)
7511                         manual_scan_passive = !!atoi(pos + 8);
7512
7513                 pos = os_strstr(params, "use_id=");
7514                 if (pos)
7515                         manual_scan_use_id = atoi(pos + 7);
7516
7517                 pos = os_strstr(params, "only_new=1");
7518                 if (pos)
7519                         manual_scan_only_new = 1;
7520
7521                 pos = os_strstr(params, "scan_id=");
7522                 if (pos && scan_id_list_parse(wpa_s, pos + 8, &scan_id_count,
7523                                               scan_id) < 0) {
7524                         *reply_len = -1;
7525                         goto done;
7526                 }
7527
7528                 pos = params;
7529                 while (pos && *pos != '\0') {
7530                         if (os_strncmp(pos, "ssid ", 5) == 0) {
7531                                 char *end;
7532
7533                                 pos += 5;
7534                                 end = pos;
7535                                 while (*end) {
7536                                         if (*end == '\0' || *end == ' ')
7537                                                 break;
7538                                         end++;
7539                                 }
7540
7541                                 ns = os_realloc_array(
7542                                         ssid, ssid_count + 1,
7543                                         sizeof(struct wpa_ssid_value));
7544                                 if (ns == NULL) {
7545                                         *reply_len = -1;
7546                                         goto done;
7547                                 }
7548                                 ssid = ns;
7549
7550                                 if ((end - pos) & 0x01 ||
7551                                     end - pos > 2 * SSID_MAX_LEN ||
7552                                     hexstr2bin(pos, ssid[ssid_count].ssid,
7553                                                (end - pos) / 2) < 0) {
7554                                         wpa_printf(MSG_DEBUG,
7555                                                    "Invalid SSID value '%s'",
7556                                                    pos);
7557                                         *reply_len = -1;
7558                                         goto done;
7559                                 }
7560                                 ssid[ssid_count].ssid_len = (end - pos) / 2;
7561                                 wpa_hexdump_ascii(MSG_DEBUG, "scan SSID",
7562                                                   ssid[ssid_count].ssid,
7563                                                   ssid[ssid_count].ssid_len);
7564                                 ssid_count++;
7565                                 pos = end;
7566                         }
7567
7568                         pos = os_strchr(pos, ' ');
7569                         if (pos)
7570                                 pos++;
7571                 }
7572         }
7573
7574         wpa_s->num_ssids_from_scan_req = ssid_count;
7575         os_free(wpa_s->ssids_from_scan_req);
7576         if (ssid_count) {
7577                 wpa_s->ssids_from_scan_req = ssid;
7578                 ssid = NULL;
7579         } else {
7580                 wpa_s->ssids_from_scan_req = NULL;
7581         }
7582
7583         if (scan_only)
7584                 scan_res_handler = scan_only_handler;
7585         else if (wpa_s->scan_res_handler == scan_only_handler)
7586                 scan_res_handler = NULL;
7587         else
7588                 scan_res_handler = wpa_s->scan_res_handler;
7589
7590         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
7591             ((wpa_s->wpa_state <= WPA_SCANNING) ||
7592              (wpa_s->wpa_state == WPA_COMPLETED))) {
7593                 wpa_s->manual_scan_passive = manual_scan_passive;
7594                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7595                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7596                 wpa_s->scan_id_count = scan_id_count;
7597                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7598                 wpa_s->scan_res_handler = scan_res_handler;
7599                 os_free(wpa_s->manual_scan_freqs);
7600                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7601                 manual_scan_freqs = NULL;
7602
7603                 wpa_s->normal_scans = 0;
7604                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7605                 wpa_s->after_wps = 0;
7606                 wpa_s->known_wps_freq = 0;
7607                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7608                 if (wpa_s->manual_scan_use_id) {
7609                         wpa_s->manual_scan_id++;
7610                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7611                                 wpa_s->manual_scan_id);
7612                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7613                                                  wpa_s->manual_scan_id);
7614                 }
7615         } else if (wpa_s->sched_scanning) {
7616                 wpa_s->manual_scan_passive = manual_scan_passive;
7617                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7618                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7619                 wpa_s->scan_id_count = scan_id_count;
7620                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7621                 wpa_s->scan_res_handler = scan_res_handler;
7622                 os_free(wpa_s->manual_scan_freqs);
7623                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7624                 manual_scan_freqs = NULL;
7625
7626                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
7627                 wpa_supplicant_cancel_sched_scan(wpa_s);
7628                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7629                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7630                 if (wpa_s->manual_scan_use_id) {
7631                         wpa_s->manual_scan_id++;
7632                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7633                                                  wpa_s->manual_scan_id);
7634                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7635                                 wpa_s->manual_scan_id);
7636                 }
7637         } else {
7638                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
7639                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7640         }
7641
7642 done:
7643         os_free(manual_scan_freqs);
7644         os_free(ssid);
7645 }
7646
7647
7648 #ifdef CONFIG_TESTING_OPTIONS
7649
7650 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
7651                                        unsigned int freq, const u8 *dst,
7652                                        const u8 *src, const u8 *bssid,
7653                                        const u8 *data, size_t data_len,
7654                                        enum offchannel_send_action_result
7655                                        result)
7656 {
7657         wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
7658                 " src=" MACSTR " bssid=" MACSTR " result=%s",
7659                 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
7660                 result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
7661                 "SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
7662                              "NO_ACK" : "FAILED"));
7663 }
7664
7665
7666 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
7667 {
7668         char *pos, *param;
7669         size_t len;
7670         u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
7671         int res, used;
7672         int freq = 0, no_cck = 0, wait_time = 0;
7673
7674         /* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
7675          *    <action=Action frame payload> */
7676
7677         wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
7678
7679         pos = cmd;
7680         used = hwaddr_aton2(pos, da);
7681         if (used < 0)
7682                 return -1;
7683         pos += used;
7684         while (*pos == ' ')
7685                 pos++;
7686         used = hwaddr_aton2(pos, bssid);
7687         if (used < 0)
7688                 return -1;
7689         pos += used;
7690
7691         param = os_strstr(pos, " freq=");
7692         if (param) {
7693                 param += 6;
7694                 freq = atoi(param);
7695         }
7696
7697         param = os_strstr(pos, " no_cck=");
7698         if (param) {
7699                 param += 8;
7700                 no_cck = atoi(param);
7701         }
7702
7703         param = os_strstr(pos, " wait_time=");
7704         if (param) {
7705                 param += 11;
7706                 wait_time = atoi(param);
7707         }
7708
7709         param = os_strstr(pos, " action=");
7710         if (param == NULL)
7711                 return -1;
7712         param += 8;
7713
7714         len = os_strlen(param);
7715         if (len & 1)
7716                 return -1;
7717         len /= 2;
7718
7719         buf = os_malloc(len);
7720         if (buf == NULL)
7721                 return -1;
7722
7723         if (hexstr2bin(param, buf, len) < 0) {
7724                 os_free(buf);
7725                 return -1;
7726         }
7727
7728         res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
7729                                      buf, len, wait_time,
7730                                      wpas_ctrl_iface_mgmt_tx_cb, no_cck);
7731         os_free(buf);
7732         return res;
7733 }
7734
7735
7736 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
7737 {
7738         wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
7739         offchannel_send_action_done(wpa_s);
7740 }
7741
7742
7743 static int wpas_ctrl_iface_mgmt_rx_process(struct wpa_supplicant *wpa_s,
7744                                            char *cmd)
7745 {
7746         char *pos, *param;
7747         size_t len;
7748         u8 *buf;
7749         int freq = 0, datarate = 0, ssi_signal = 0;
7750         union wpa_event_data event;
7751
7752         if (!wpa_s->ext_mgmt_frame_handling)
7753                 return -1;
7754
7755         /* freq=<MHz> datarate=<val> ssi_signal=<val> frame=<frame hexdump> */
7756
7757         wpa_printf(MSG_DEBUG, "External MGMT RX process: %s", cmd);
7758
7759         pos = cmd;
7760         param = os_strstr(pos, "freq=");
7761         if (param) {
7762                 param += 5;
7763                 freq = atoi(param);
7764         }
7765
7766         param = os_strstr(pos, " datarate=");
7767         if (param) {
7768                 param += 10;
7769                 datarate = atoi(param);
7770         }
7771
7772         param = os_strstr(pos, " ssi_signal=");
7773         if (param) {
7774                 param += 12;
7775                 ssi_signal = atoi(param);
7776         }
7777
7778         param = os_strstr(pos, " frame=");
7779         if (param == NULL)
7780                 return -1;
7781         param += 7;
7782
7783         len = os_strlen(param);
7784         if (len & 1)
7785                 return -1;
7786         len /= 2;
7787
7788         buf = os_malloc(len);
7789         if (buf == NULL)
7790                 return -1;
7791
7792         if (hexstr2bin(param, buf, len) < 0) {
7793                 os_free(buf);
7794                 return -1;
7795         }
7796
7797         os_memset(&event, 0, sizeof(event));
7798         event.rx_mgmt.freq = freq;
7799         event.rx_mgmt.frame = buf;
7800         event.rx_mgmt.frame_len = len;
7801         event.rx_mgmt.ssi_signal = ssi_signal;
7802         event.rx_mgmt.datarate = datarate;
7803         wpa_s->ext_mgmt_frame_handling = 0;
7804         wpa_supplicant_event(wpa_s, EVENT_RX_MGMT, &event);
7805         wpa_s->ext_mgmt_frame_handling = 1;
7806
7807         os_free(buf);
7808
7809         return 0;
7810 }
7811
7812
7813 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
7814 {
7815         char *pos, *param;
7816         union wpa_event_data event;
7817         enum wpa_event_type ev;
7818
7819         /* <event name> [parameters..] */
7820
7821         wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
7822
7823         pos = cmd;
7824         param = os_strchr(pos, ' ');
7825         if (param)
7826                 *param++ = '\0';
7827
7828         os_memset(&event, 0, sizeof(event));
7829
7830         if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
7831                 ev = EVENT_INTERFACE_ENABLED;
7832         } else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
7833                 ev = EVENT_INTERFACE_DISABLED;
7834         } else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
7835                 ev = EVENT_AVOID_FREQUENCIES;
7836                 if (param == NULL)
7837                         param = "";
7838                 if (freq_range_list_parse(&event.freq_range, param) < 0)
7839                         return -1;
7840                 wpa_supplicant_event(wpa_s, ev, &event);
7841                 os_free(event.freq_range.range);
7842                 return 0;
7843         } else {
7844                 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
7845                         cmd);
7846                 return -1;
7847         }
7848
7849         wpa_supplicant_event(wpa_s, ev, &event);
7850
7851         return 0;
7852 }
7853
7854
7855 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
7856 {
7857         char *pos;
7858         u8 src[ETH_ALEN], *buf;
7859         int used;
7860         size_t len;
7861
7862         wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
7863
7864         pos = cmd;
7865         used = hwaddr_aton2(pos, src);
7866         if (used < 0)
7867                 return -1;
7868         pos += used;
7869         while (*pos == ' ')
7870                 pos++;
7871
7872         len = os_strlen(pos);
7873         if (len & 1)
7874                 return -1;
7875         len /= 2;
7876
7877         buf = os_malloc(len);
7878         if (buf == NULL)
7879                 return -1;
7880
7881         if (hexstr2bin(pos, buf, len) < 0) {
7882                 os_free(buf);
7883                 return -1;
7884         }
7885
7886         wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
7887         os_free(buf);
7888
7889         return 0;
7890 }
7891
7892
7893 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
7894 {
7895         size_t i;
7896         u32 sum = 0;
7897         const u16 *pos = buf;
7898
7899         for (i = 0; i < len / 2; i++)
7900                 sum += *pos++;
7901
7902         while (sum >> 16)
7903                 sum = (sum & 0xffff) + (sum >> 16);
7904
7905         return sum ^ 0xffff;
7906 }
7907
7908
7909 #define HWSIM_PACKETLEN 1500
7910 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
7911
7912 static void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf,
7913                               size_t len)
7914 {
7915         struct wpa_supplicant *wpa_s = ctx;
7916         const struct ether_header *eth;
7917         struct iphdr ip;
7918         const u8 *pos;
7919         unsigned int i;
7920
7921         if (len != HWSIM_PACKETLEN)
7922                 return;
7923
7924         eth = (const struct ether_header *) buf;
7925         os_memcpy(&ip, eth + 1, sizeof(ip));
7926         pos = &buf[sizeof(*eth) + sizeof(ip)];
7927
7928         if (ip.ihl != 5 || ip.version != 4 ||
7929             ntohs(ip.tot_len) != HWSIM_IP_LEN)
7930                 return;
7931
7932         for (i = 0; i < HWSIM_IP_LEN - sizeof(ip); i++) {
7933                 if (*pos != (u8) i)
7934                         return;
7935                 pos++;
7936         }
7937
7938         wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
7939                 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
7940 }
7941
7942
7943 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
7944                                             char *cmd)
7945 {
7946         int enabled = atoi(cmd);
7947         char *pos;
7948         const char *ifname;
7949
7950         if (!enabled) {
7951                 if (wpa_s->l2_test) {
7952                         l2_packet_deinit(wpa_s->l2_test);
7953                         wpa_s->l2_test = NULL;
7954                         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
7955                 }
7956                 return 0;
7957         }
7958
7959         if (wpa_s->l2_test)
7960                 return 0;
7961
7962         pos = os_strstr(cmd, " ifname=");
7963         if (pos)
7964                 ifname = pos + 8;
7965         else
7966                 ifname = wpa_s->ifname;
7967
7968         wpa_s->l2_test = l2_packet_init(ifname, wpa_s->own_addr,
7969                                         ETHERTYPE_IP, wpas_data_test_rx,
7970                                         wpa_s, 1);
7971         if (wpa_s->l2_test == NULL)
7972                 return -1;
7973
7974         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
7975
7976         return 0;
7977 }
7978
7979
7980 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
7981 {
7982         u8 dst[ETH_ALEN], src[ETH_ALEN];
7983         char *pos;
7984         int used;
7985         long int val;
7986         u8 tos;
7987         u8 buf[2 + HWSIM_PACKETLEN];
7988         struct ether_header *eth;
7989         struct iphdr *ip;
7990         u8 *dpos;
7991         unsigned int i;
7992
7993         if (wpa_s->l2_test == NULL)
7994                 return -1;
7995
7996         /* format: <dst> <src> <tos> */
7997
7998         pos = cmd;
7999         used = hwaddr_aton2(pos, dst);
8000         if (used < 0)
8001                 return -1;
8002         pos += used;
8003         while (*pos == ' ')
8004                 pos++;
8005         used = hwaddr_aton2(pos, src);
8006         if (used < 0)
8007                 return -1;
8008         pos += used;
8009
8010         val = strtol(pos, NULL, 0);
8011         if (val < 0 || val > 0xff)
8012                 return -1;
8013         tos = val;
8014
8015         eth = (struct ether_header *) &buf[2];
8016         os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
8017         os_memcpy(eth->ether_shost, src, ETH_ALEN);
8018         eth->ether_type = htons(ETHERTYPE_IP);
8019         ip = (struct iphdr *) (eth + 1);
8020         os_memset(ip, 0, sizeof(*ip));
8021         ip->ihl = 5;
8022         ip->version = 4;
8023         ip->ttl = 64;
8024         ip->tos = tos;
8025         ip->tot_len = htons(HWSIM_IP_LEN);
8026         ip->protocol = 1;
8027         ip->saddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 1);
8028         ip->daddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 2);
8029         ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
8030         dpos = (u8 *) (ip + 1);
8031         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
8032                 *dpos++ = i;
8033
8034         if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, &buf[2],
8035                            HWSIM_PACKETLEN) < 0)
8036                 return -1;
8037
8038         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
8039                 " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
8040
8041         return 0;
8042 }
8043
8044
8045 static int wpas_ctrl_iface_data_test_frame(struct wpa_supplicant *wpa_s,
8046                                            char *cmd)
8047 {
8048         u8 *buf;
8049         struct ether_header *eth;
8050         struct l2_packet_data *l2 = NULL;
8051         size_t len;
8052         u16 ethertype;
8053         int res = -1;
8054
8055         len = os_strlen(cmd);
8056         if (len & 1 || len < ETH_HLEN * 2)
8057                 return -1;
8058         len /= 2;
8059
8060         buf = os_malloc(len);
8061         if (buf == NULL)
8062                 return -1;
8063
8064         if (hexstr2bin(cmd, buf, len) < 0)
8065                 goto done;
8066
8067         eth = (struct ether_header *) buf;
8068         ethertype = ntohs(eth->ether_type);
8069
8070         l2 = l2_packet_init(wpa_s->ifname, wpa_s->own_addr, ethertype,
8071                             wpas_data_test_rx, wpa_s, 1);
8072         if (l2 == NULL)
8073                 goto done;
8074
8075         res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
8076         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX frame res=%d", res);
8077 done:
8078         if (l2)
8079                 l2_packet_deinit(l2);
8080         os_free(buf);
8081
8082         return res < 0 ? -1 : 0;
8083 }
8084
8085
8086 static int wpas_ctrl_test_alloc_fail(struct wpa_supplicant *wpa_s, char *cmd)
8087 {
8088 #ifdef WPA_TRACE_BFD
8089         char *pos;
8090
8091         wpa_trace_fail_after = atoi(cmd);
8092         pos = os_strchr(cmd, ':');
8093         if (pos) {
8094                 pos++;
8095                 os_strlcpy(wpa_trace_fail_func, pos,
8096                            sizeof(wpa_trace_fail_func));
8097         } else {
8098                 wpa_trace_fail_after = 0;
8099         }
8100         return 0;
8101 #else /* WPA_TRACE_BFD */
8102         return -1;
8103 #endif /* WPA_TRACE_BFD */
8104 }
8105
8106
8107 static int wpas_ctrl_get_alloc_fail(struct wpa_supplicant *wpa_s,
8108                                     char *buf, size_t buflen)
8109 {
8110 #ifdef WPA_TRACE_BFD
8111         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
8112                            wpa_trace_fail_func);
8113 #else /* WPA_TRACE_BFD */
8114         return -1;
8115 #endif /* WPA_TRACE_BFD */
8116 }
8117
8118
8119 static int wpas_ctrl_test_fail(struct wpa_supplicant *wpa_s, char *cmd)
8120 {
8121 #ifdef WPA_TRACE_BFD
8122         char *pos;
8123
8124         wpa_trace_test_fail_after = atoi(cmd);
8125         pos = os_strchr(cmd, ':');
8126         if (pos) {
8127                 pos++;
8128                 os_strlcpy(wpa_trace_test_fail_func, pos,
8129                            sizeof(wpa_trace_test_fail_func));
8130         } else {
8131                 wpa_trace_test_fail_after = 0;
8132         }
8133         return 0;
8134 #else /* WPA_TRACE_BFD */
8135         return -1;
8136 #endif /* WPA_TRACE_BFD */
8137 }
8138
8139
8140 static int wpas_ctrl_get_fail(struct wpa_supplicant *wpa_s,
8141                                     char *buf, size_t buflen)
8142 {
8143 #ifdef WPA_TRACE_BFD
8144         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_test_fail_after,
8145                            wpa_trace_test_fail_func);
8146 #else /* WPA_TRACE_BFD */
8147         return -1;
8148 #endif /* WPA_TRACE_BFD */
8149 }
8150
8151
8152 static void wpas_ctrl_event_test_cb(void *eloop_ctx, void *timeout_ctx)
8153 {
8154         struct wpa_supplicant *wpa_s = eloop_ctx;
8155         int i, count = (intptr_t) timeout_ctx;
8156
8157         wpa_printf(MSG_DEBUG, "TEST: Send %d control interface event messages",
8158                    count);
8159         for (i = 0; i < count; i++) {
8160                 wpa_msg_ctrl(wpa_s, MSG_INFO, "TEST-EVENT-MESSAGE %d/%d",
8161                              i + 1, count);
8162         }
8163 }
8164
8165
8166 static int wpas_ctrl_event_test(struct wpa_supplicant *wpa_s, const char *cmd)
8167 {
8168         int count;
8169
8170         count = atoi(cmd);
8171         if (count <= 0)
8172                 return -1;
8173
8174         return eloop_register_timeout(0, 0, wpas_ctrl_event_test_cb, wpa_s,
8175                                       (void *) (intptr_t) count);
8176 }
8177
8178
8179 static int wpas_ctrl_test_assoc_ie(struct wpa_supplicant *wpa_s,
8180                                    const char *cmd)
8181 {
8182         struct wpabuf *buf;
8183         size_t len;
8184
8185         len = os_strlen(cmd);
8186         if (len & 1)
8187                 return -1;
8188         len /= 2;
8189
8190         if (len == 0) {
8191                 buf = NULL;
8192         } else {
8193                 buf = wpabuf_alloc(len);
8194                 if (buf == NULL)
8195                         return -1;
8196
8197                 if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
8198                         wpabuf_free(buf);
8199                         return -1;
8200                 }
8201         }
8202
8203         wpa_sm_set_test_assoc_ie(wpa_s->wpa, buf);
8204         return 0;
8205 }
8206
8207 #endif /* CONFIG_TESTING_OPTIONS */
8208
8209
8210 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
8211 {
8212         char *pos = cmd;
8213         int frame;
8214         size_t len;
8215         struct wpabuf *buf;
8216         struct ieee802_11_elems elems;
8217
8218         frame = atoi(pos);
8219         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
8220                 return -1;
8221         wpa_s = wpas_vendor_elem(wpa_s, frame);
8222
8223         pos = os_strchr(pos, ' ');
8224         if (pos == NULL)
8225                 return -1;
8226         pos++;
8227
8228         len = os_strlen(pos);
8229         if (len == 0)
8230                 return 0;
8231         if (len & 1)
8232                 return -1;
8233         len /= 2;
8234
8235         buf = wpabuf_alloc(len);
8236         if (buf == NULL)
8237                 return -1;
8238
8239         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
8240                 wpabuf_free(buf);
8241                 return -1;
8242         }
8243
8244         if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
8245             ParseFailed) {
8246                 wpabuf_free(buf);
8247                 return -1;
8248         }
8249
8250         if (wpa_s->vendor_elem[frame] == NULL) {
8251                 wpa_s->vendor_elem[frame] = buf;
8252                 wpas_vendor_elem_update(wpa_s);
8253                 return 0;
8254         }
8255
8256         if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
8257                 wpabuf_free(buf);
8258                 return -1;
8259         }
8260
8261         wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
8262         wpabuf_free(buf);
8263         wpas_vendor_elem_update(wpa_s);
8264
8265         return 0;
8266 }
8267
8268
8269 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
8270                                      char *buf, size_t buflen)
8271 {
8272         int frame = atoi(cmd);
8273
8274         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
8275                 return -1;
8276         wpa_s = wpas_vendor_elem(wpa_s, frame);
8277
8278         if (wpa_s->vendor_elem[frame] == NULL)
8279                 return 0;
8280
8281         return wpa_snprintf_hex(buf, buflen,
8282                                 wpabuf_head_u8(wpa_s->vendor_elem[frame]),
8283                                 wpabuf_len(wpa_s->vendor_elem[frame]));
8284 }
8285
8286
8287 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
8288 {
8289         char *pos = cmd;
8290         int frame;
8291         size_t len;
8292         u8 *buf;
8293         struct ieee802_11_elems elems;
8294         int res;
8295
8296         frame = atoi(pos);
8297         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
8298                 return -1;
8299         wpa_s = wpas_vendor_elem(wpa_s, frame);
8300
8301         pos = os_strchr(pos, ' ');
8302         if (pos == NULL)
8303                 return -1;
8304         pos++;
8305
8306         if (*pos == '*') {
8307                 wpabuf_free(wpa_s->vendor_elem[frame]);
8308                 wpa_s->vendor_elem[frame] = NULL;
8309                 wpas_vendor_elem_update(wpa_s);
8310                 return 0;
8311         }
8312
8313         if (wpa_s->vendor_elem[frame] == NULL)
8314                 return -1;
8315
8316         len = os_strlen(pos);
8317         if (len == 0)
8318                 return 0;
8319         if (len & 1)
8320                 return -1;
8321         len /= 2;
8322
8323         buf = os_malloc(len);
8324         if (buf == NULL)
8325                 return -1;
8326
8327         if (hexstr2bin(pos, buf, len) < 0) {
8328                 os_free(buf);
8329                 return -1;
8330         }
8331
8332         if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
8333                 os_free(buf);
8334                 return -1;
8335         }
8336
8337         res = wpas_vendor_elem_remove(wpa_s, frame, buf, len);
8338         os_free(buf);
8339         return res;
8340 }
8341
8342
8343 static void wpas_ctrl_neighbor_rep_cb(void *ctx, struct wpabuf *neighbor_rep)
8344 {
8345         struct wpa_supplicant *wpa_s = ctx;
8346         size_t len;
8347         const u8 *data;
8348
8349         /*
8350          * Neighbor Report element (IEEE P802.11-REVmc/D5.0)
8351          * BSSID[6]
8352          * BSSID Information[4]
8353          * Operating Class[1]
8354          * Channel Number[1]
8355          * PHY Type[1]
8356          * Optional Subelements[variable]
8357          */
8358 #define NR_IE_MIN_LEN (ETH_ALEN + 4 + 1 + 1 + 1)
8359
8360         if (!neighbor_rep || wpabuf_len(neighbor_rep) == 0) {
8361                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_FAILED);
8362                 goto out;
8363         }
8364
8365         data = wpabuf_head_u8(neighbor_rep);
8366         len = wpabuf_len(neighbor_rep);
8367
8368         while (len >= 2 + NR_IE_MIN_LEN) {
8369                 const u8 *nr;
8370                 char lci[256 * 2 + 1];
8371                 char civic[256 * 2 + 1];
8372                 u8 nr_len = data[1];
8373                 const u8 *pos = data, *end;
8374
8375                 if (pos[0] != WLAN_EID_NEIGHBOR_REPORT ||
8376                     nr_len < NR_IE_MIN_LEN) {
8377                         wpa_printf(MSG_DEBUG,
8378                                    "CTRL: Invalid Neighbor Report element: id=%u len=%u",
8379                                    data[0], nr_len);
8380                         goto out;
8381                 }
8382
8383                 if (2U + nr_len > len) {
8384                         wpa_printf(MSG_DEBUG,
8385                                    "CTRL: Invalid Neighbor Report element: id=%u len=%zu nr_len=%u",
8386                                    data[0], len, nr_len);
8387                         goto out;
8388                 }
8389                 pos += 2;
8390                 end = pos + nr_len;
8391
8392                 nr = pos;
8393                 pos += NR_IE_MIN_LEN;
8394
8395                 lci[0] = '\0';
8396                 civic[0] = '\0';
8397                 while (end - pos > 2) {
8398                         u8 s_id, s_len;
8399
8400                         s_id = *pos++;
8401                         s_len = *pos++;
8402                         if (s_len > end - pos)
8403                                 goto out;
8404                         if (s_id == WLAN_EID_MEASURE_REPORT && s_len > 3) {
8405                                 /* Measurement Token[1] */
8406                                 /* Measurement Report Mode[1] */
8407                                 /* Measurement Type[1] */
8408                                 /* Measurement Report[variable] */
8409                                 switch (pos[2]) {
8410                                 case MEASURE_TYPE_LCI:
8411                                         if (lci[0])
8412                                                 break;
8413                                         wpa_snprintf_hex(lci, sizeof(lci),
8414                                                          pos, s_len);
8415                                         break;
8416                                 case MEASURE_TYPE_LOCATION_CIVIC:
8417                                         if (civic[0])
8418                                                 break;
8419                                         wpa_snprintf_hex(civic, sizeof(civic),
8420                                                          pos, s_len);
8421                                         break;
8422                                 }
8423                         }
8424
8425                         pos += s_len;
8426                 }
8427
8428                 wpa_msg(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_RXED
8429                         "bssid=" MACSTR
8430                         " info=0x%x op_class=%u chan=%u phy_type=%u%s%s%s%s",
8431                         MAC2STR(nr), WPA_GET_LE32(nr + ETH_ALEN),
8432                         nr[ETH_ALEN + 4], nr[ETH_ALEN + 5],
8433                         nr[ETH_ALEN + 6],
8434                         lci[0] ? " lci=" : "", lci,
8435                         civic[0] ? " civic=" : "", civic);
8436
8437                 data = end;
8438                 len -= 2 + nr_len;
8439         }
8440
8441 out:
8442         wpabuf_free(neighbor_rep);
8443 }
8444
8445
8446 static int wpas_ctrl_iface_send_neighbor_rep(struct wpa_supplicant *wpa_s,
8447                                              char *cmd)
8448 {
8449         struct wpa_ssid_value ssid, *ssid_p = NULL;
8450         int ret, lci = 0, civic = 0;
8451         char *ssid_s;
8452
8453         ssid_s = os_strstr(cmd, "ssid=");
8454         if (ssid_s) {
8455                 if (ssid_parse(ssid_s + 5, &ssid)) {
8456                         wpa_printf(MSG_ERROR,
8457                                    "CTRL: Send Neighbor Report: bad SSID");
8458                         return -1;
8459                 }
8460
8461                 ssid_p = &ssid;
8462
8463                 /*
8464                  * Move cmd after the SSID text that may include "lci" or
8465                  * "civic".
8466                  */
8467                 cmd = os_strchr(ssid_s + 6, ssid_s[5] == '"' ? '"' : ' ');
8468                 if (cmd)
8469                         cmd++;
8470
8471         }
8472
8473         if (cmd && os_strstr(cmd, "lci"))
8474                 lci = 1;
8475
8476         if (cmd && os_strstr(cmd, "civic"))
8477                 civic = 1;
8478
8479         ret = wpas_rrm_send_neighbor_rep_request(wpa_s, ssid_p, lci, civic,
8480                                                  wpas_ctrl_neighbor_rep_cb,
8481                                                  wpa_s);
8482
8483         return ret;
8484 }
8485
8486
8487 static int wpas_ctrl_iface_erp_flush(struct wpa_supplicant *wpa_s)
8488 {
8489         eapol_sm_erp_flush(wpa_s->eapol);
8490         return 0;
8491 }
8492
8493
8494 static int wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant *wpa_s,
8495                                          char *cmd)
8496 {
8497         char *token, *context = NULL;
8498         unsigned int enable = ~0, type = 0;
8499         u8 _addr[ETH_ALEN], _mask[ETH_ALEN];
8500         u8 *addr = NULL, *mask = NULL;
8501
8502         while ((token = str_token(cmd, " ", &context))) {
8503                 if (os_strcasecmp(token, "scan") == 0) {
8504                         type |= MAC_ADDR_RAND_SCAN;
8505                 } else if (os_strcasecmp(token, "sched") == 0) {
8506                         type |= MAC_ADDR_RAND_SCHED_SCAN;
8507                 } else if (os_strcasecmp(token, "pno") == 0) {
8508                         type |= MAC_ADDR_RAND_PNO;
8509                 } else if (os_strcasecmp(token, "all") == 0) {
8510                         type = wpa_s->mac_addr_rand_supported;
8511                 } else if (os_strncasecmp(token, "enable=", 7) == 0) {
8512                         enable = atoi(token + 7);
8513                 } else if (os_strncasecmp(token, "addr=", 5) == 0) {
8514                         addr = _addr;
8515                         if (hwaddr_aton(token + 5, addr)) {
8516                                 wpa_printf(MSG_INFO,
8517                                            "CTRL: Invalid MAC address: %s",
8518                                            token);
8519                                 return -1;
8520                         }
8521                 } else if (os_strncasecmp(token, "mask=", 5) == 0) {
8522                         mask = _mask;
8523                         if (hwaddr_aton(token + 5, mask)) {
8524                                 wpa_printf(MSG_INFO,
8525                                            "CTRL: Invalid MAC address mask: %s",
8526                                            token);
8527                                 return -1;
8528                         }
8529                 } else {
8530                         wpa_printf(MSG_INFO,
8531                                    "CTRL: Invalid MAC_RAND_SCAN parameter: %s",
8532                                    token);
8533                         return -1;
8534                 }
8535         }
8536
8537         if (!type) {
8538                 wpa_printf(MSG_INFO, "CTRL: MAC_RAND_SCAN no type specified");
8539                 return -1;
8540         }
8541
8542         if ((wpa_s->mac_addr_rand_supported & type) != type) {
8543                 wpa_printf(MSG_INFO,
8544                            "CTRL: MAC_RAND_SCAN types=%u != supported=%u",
8545                            type, wpa_s->mac_addr_rand_supported);
8546                 return -1;
8547         }
8548
8549         if (enable > 1) {
8550                 wpa_printf(MSG_INFO,
8551                            "CTRL: MAC_RAND_SCAN enable=<0/1> not specified");
8552                 return -1;
8553         }
8554
8555         if (!enable) {
8556                 wpas_mac_addr_rand_scan_clear(wpa_s, type);
8557                 if (wpa_s->pno) {
8558                         if (type & MAC_ADDR_RAND_PNO) {
8559                                 wpas_stop_pno(wpa_s);
8560                                 wpas_start_pno(wpa_s);
8561                         }
8562                 } else if (wpa_s->sched_scanning &&
8563                            (type & MAC_ADDR_RAND_SCHED_SCAN)) {
8564                         /* simulate timeout to restart the sched scan */
8565                         wpa_s->sched_scan_timed_out = 1;
8566                         wpa_s->prev_sched_ssid = NULL;
8567                         wpa_supplicant_cancel_sched_scan(wpa_s);
8568                 }
8569                 return 0;
8570         }
8571
8572         if ((addr && !mask) || (!addr && mask)) {
8573                 wpa_printf(MSG_INFO,
8574                            "CTRL: MAC_RAND_SCAN invalid addr/mask combination");
8575                 return -1;
8576         }
8577
8578         if (addr && mask && (!(mask[0] & 0x01) || (addr[0] & 0x01))) {
8579                 wpa_printf(MSG_INFO,
8580                            "CTRL: MAC_RAND_SCAN cannot allow multicast address");
8581                 return -1;
8582         }
8583
8584         if (type & MAC_ADDR_RAND_SCAN) {
8585                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCAN,
8586                                             addr, mask);
8587         }
8588
8589         if (type & MAC_ADDR_RAND_SCHED_SCAN) {
8590                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCHED_SCAN,
8591                                             addr, mask);
8592
8593                 if (wpa_s->sched_scanning && !wpa_s->pno) {
8594                         /* simulate timeout to restart the sched scan */
8595                         wpa_s->sched_scan_timed_out = 1;
8596                         wpa_s->prev_sched_ssid = NULL;
8597                         wpa_supplicant_cancel_sched_scan(wpa_s);
8598                 }
8599         }
8600
8601         if (type & MAC_ADDR_RAND_PNO) {
8602                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_PNO,
8603                                             addr, mask);
8604                 if (wpa_s->pno) {
8605                         wpas_stop_pno(wpa_s);
8606                         wpas_start_pno(wpa_s);
8607                 }
8608         }
8609
8610         return 0;
8611 }
8612
8613
8614 static int wpas_ctrl_iface_pmksa(struct wpa_supplicant *wpa_s,
8615                                  char *buf, size_t buflen)
8616 {
8617         size_t reply_len;
8618
8619         reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, buf, buflen);
8620 #ifdef CONFIG_AP
8621         reply_len += wpas_ap_pmksa_cache_list(wpa_s, &buf[reply_len],
8622                                               buflen - reply_len);
8623 #endif /* CONFIG_AP */
8624         return reply_len;
8625 }
8626
8627
8628 static void wpas_ctrl_iface_pmksa_flush(struct wpa_supplicant *wpa_s)
8629 {
8630         wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
8631 #ifdef CONFIG_AP
8632         wpas_ap_pmksa_cache_flush(wpa_s);
8633 #endif /* CONFIG_AP */
8634 }
8635
8636
8637 static int wpas_ctrl_cmd_debug_level(const char *cmd)
8638 {
8639         if (os_strcmp(cmd, "PING") == 0 ||
8640             os_strncmp(cmd, "BSS ", 4) == 0 ||
8641             os_strncmp(cmd, "GET_NETWORK ", 12) == 0 ||
8642             os_strncmp(cmd, "STATUS", 6) == 0 ||
8643             os_strncmp(cmd, "STA ", 4) == 0 ||
8644             os_strncmp(cmd, "STA-", 4) == 0)
8645                 return MSG_EXCESSIVE;
8646         return MSG_DEBUG;
8647 }
8648
8649
8650 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
8651                                          char *buf, size_t *resp_len)
8652 {
8653         char *reply;
8654         const int reply_size = 4096;
8655         int reply_len;
8656
8657         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
8658             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8659                 if (wpa_debug_show_keys)
8660                         wpa_dbg(wpa_s, MSG_DEBUG,
8661                                 "Control interface command '%s'", buf);
8662                 else
8663                         wpa_dbg(wpa_s, MSG_DEBUG,
8664                                 "Control interface command '%s [REMOVED]'",
8665                                 os_strncmp(buf, WPA_CTRL_RSP,
8666                                            os_strlen(WPA_CTRL_RSP)) == 0 ?
8667                                 WPA_CTRL_RSP : "SET_NETWORK");
8668         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
8669                    os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
8670                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
8671                                       (const u8 *) buf, os_strlen(buf));
8672         } else {
8673                 int level = wpas_ctrl_cmd_debug_level(buf);
8674                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
8675         }
8676
8677         reply = os_malloc(reply_size);
8678         if (reply == NULL) {
8679                 *resp_len = 1;
8680                 return NULL;
8681         }
8682
8683         os_memcpy(reply, "OK\n", 3);
8684         reply_len = 3;
8685
8686         if (os_strcmp(buf, "PING") == 0) {
8687                 os_memcpy(reply, "PONG\n", 5);
8688                 reply_len = 5;
8689         } else if (os_strcmp(buf, "IFNAME") == 0) {
8690                 reply_len = os_strlen(wpa_s->ifname);
8691                 os_memcpy(reply, wpa_s->ifname, reply_len);
8692         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
8693                 if (wpa_debug_reopen_file() < 0)
8694                         reply_len = -1;
8695         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
8696                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
8697         } else if (os_strcmp(buf, "MIB") == 0) {
8698                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
8699                 if (reply_len >= 0) {
8700                         reply_len += eapol_sm_get_mib(wpa_s->eapol,
8701                                                       reply + reply_len,
8702                                                       reply_size - reply_len);
8703                 }
8704         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
8705                 reply_len = wpa_supplicant_ctrl_iface_status(
8706                         wpa_s, buf + 6, reply, reply_size);
8707         } else if (os_strcmp(buf, "PMKSA") == 0) {
8708                 reply_len = wpas_ctrl_iface_pmksa(wpa_s, reply, reply_size);
8709         } else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
8710                 wpas_ctrl_iface_pmksa_flush(wpa_s);
8711         } else if (os_strncmp(buf, "SET ", 4) == 0) {
8712                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
8713                         reply_len = -1;
8714         } else if (os_strncmp(buf, "DUMP", 4) == 0) {
8715                 reply_len = wpa_config_dump_values(wpa_s->conf,
8716                                                    reply, reply_size);
8717         } else if (os_strncmp(buf, "GET ", 4) == 0) {
8718                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
8719                                                           reply, reply_size);
8720         } else if (os_strcmp(buf, "LOGON") == 0) {
8721                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
8722         } else if (os_strcmp(buf, "LOGOFF") == 0) {
8723                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
8724         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
8725                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8726                         reply_len = -1;
8727                 else
8728                         wpas_request_connection(wpa_s);
8729         } else if (os_strcmp(buf, "REATTACH") == 0) {
8730                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
8731                     !wpa_s->current_ssid)
8732                         reply_len = -1;
8733                 else {
8734                         wpa_s->reattach = 1;
8735                         wpas_request_connection(wpa_s);
8736                 }
8737         } else if (os_strcmp(buf, "RECONNECT") == 0) {
8738                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8739                         reply_len = -1;
8740                 else if (wpa_s->disconnected)
8741                         wpas_request_connection(wpa_s);
8742 #ifdef IEEE8021X_EAPOL
8743         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
8744                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
8745                         reply_len = -1;
8746 #endif /* IEEE8021X_EAPOL */
8747 #ifdef CONFIG_PEERKEY
8748         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
8749                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
8750                         reply_len = -1;
8751 #endif /* CONFIG_PEERKEY */
8752 #ifdef CONFIG_IEEE80211R
8753         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
8754                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
8755                         reply_len = -1;
8756 #endif /* CONFIG_IEEE80211R */
8757 #ifdef CONFIG_WPS
8758         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
8759                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
8760                 if (res == -2) {
8761                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8762                         reply_len = 17;
8763                 } else if (res)
8764                         reply_len = -1;
8765         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
8766                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
8767                 if (res == -2) {
8768                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8769                         reply_len = 17;
8770                 } else if (res)
8771                         reply_len = -1;
8772         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
8773                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
8774                                                               reply,
8775                                                               reply_size);
8776         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
8777                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
8778                         wpa_s, buf + 14, reply, reply_size);
8779         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
8780                 if (wpas_wps_cancel(wpa_s))
8781                         reply_len = -1;
8782 #ifdef CONFIG_WPS_NFC
8783         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
8784                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
8785                         reply_len = -1;
8786         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
8787                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
8788                         reply_len = -1;
8789         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
8790                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
8791                         wpa_s, buf + 21, reply, reply_size);
8792         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
8793                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
8794                         wpa_s, buf + 14, reply, reply_size);
8795         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
8796                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
8797                                                                buf + 17))
8798                         reply_len = -1;
8799         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
8800                 reply_len = wpas_ctrl_nfc_get_handover_req(
8801                         wpa_s, buf + 21, reply, reply_size);
8802         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
8803                 reply_len = wpas_ctrl_nfc_get_handover_sel(
8804                         wpa_s, buf + 21, reply, reply_size);
8805         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
8806                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
8807                         reply_len = -1;
8808 #endif /* CONFIG_WPS_NFC */
8809         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
8810                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
8811                         reply_len = -1;
8812 #ifdef CONFIG_AP
8813         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
8814                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
8815                         wpa_s, buf + 11, reply, reply_size);
8816 #endif /* CONFIG_AP */
8817 #ifdef CONFIG_WPS_ER
8818         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
8819                 if (wpas_wps_er_start(wpa_s, NULL))
8820                         reply_len = -1;
8821         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
8822                 if (wpas_wps_er_start(wpa_s, buf + 13))
8823                         reply_len = -1;
8824         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
8825                 wpas_wps_er_stop(wpa_s);
8826         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
8827                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
8828                         reply_len = -1;
8829         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
8830                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
8831                 if (ret == -2) {
8832                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8833                         reply_len = 17;
8834                 } else if (ret == -3) {
8835                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
8836                         reply_len = 18;
8837                 } else if (ret == -4) {
8838                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
8839                         reply_len = 20;
8840                 } else if (ret)
8841                         reply_len = -1;
8842         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
8843                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
8844                         reply_len = -1;
8845         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
8846                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
8847                                                                 buf + 18))
8848                         reply_len = -1;
8849         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
8850                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
8851                         reply_len = -1;
8852 #ifdef CONFIG_WPS_NFC
8853         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
8854                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
8855                         wpa_s, buf + 24, reply, reply_size);
8856 #endif /* CONFIG_WPS_NFC */
8857 #endif /* CONFIG_WPS_ER */
8858 #endif /* CONFIG_WPS */
8859 #ifdef CONFIG_IBSS_RSN
8860         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
8861                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
8862                         reply_len = -1;
8863 #endif /* CONFIG_IBSS_RSN */
8864 #ifdef CONFIG_MESH
8865         } else if (os_strncmp(buf, "MESH_INTERFACE_ADD ", 19) == 0) {
8866                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8867                         wpa_s, buf + 19, reply, reply_size);
8868         } else if (os_strcmp(buf, "MESH_INTERFACE_ADD") == 0) {
8869                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8870                         wpa_s, "", reply, reply_size);
8871         } else if (os_strncmp(buf, "MESH_GROUP_ADD ", 15) == 0) {
8872                 if (wpa_supplicant_ctrl_iface_mesh_group_add(wpa_s, buf + 15))
8873                         reply_len = -1;
8874         } else if (os_strncmp(buf, "MESH_GROUP_REMOVE ", 18) == 0) {
8875                 if (wpa_supplicant_ctrl_iface_mesh_group_remove(wpa_s,
8876                                                                 buf + 18))
8877                         reply_len = -1;
8878         } else if (os_strncmp(buf, "MESH_PEER_REMOVE ", 17) == 0) {
8879                 if (wpa_supplicant_ctrl_iface_mesh_peer_remove(wpa_s, buf + 17))
8880                         reply_len = -1;
8881         } else if (os_strncmp(buf, "MESH_PEER_ADD ", 14) == 0) {
8882                 if (wpa_supplicant_ctrl_iface_mesh_peer_add(wpa_s, buf + 14))
8883                         reply_len = -1;
8884 #endif /* CONFIG_MESH */
8885 #ifdef CONFIG_P2P
8886         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
8887                 if (p2p_ctrl_find(wpa_s, buf + 8))
8888                         reply_len = -1;
8889         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
8890                 if (p2p_ctrl_find(wpa_s, ""))
8891                         reply_len = -1;
8892         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
8893                 wpas_p2p_stop_find(wpa_s);
8894         } else if (os_strncmp(buf, "P2P_ASP_PROVISION ", 18) == 0) {
8895                 if (p2p_ctrl_asp_provision(wpa_s, buf + 18))
8896                         reply_len = -1;
8897         } else if (os_strncmp(buf, "P2P_ASP_PROVISION_RESP ", 23) == 0) {
8898                 if (p2p_ctrl_asp_provision_resp(wpa_s, buf + 23))
8899                         reply_len = -1;
8900         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
8901                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
8902                                              reply_size);
8903         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
8904                 if (p2p_ctrl_listen(wpa_s, buf + 11))
8905                         reply_len = -1;
8906         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
8907                 if (p2p_ctrl_listen(wpa_s, ""))
8908                         reply_len = -1;
8909         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
8910                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
8911                         reply_len = -1;
8912         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
8913                 if (p2p_ctrl_group_add(wpa_s, ""))
8914                         reply_len = -1;
8915         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
8916                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
8917                         reply_len = -1;
8918         } else if (os_strncmp(buf, "P2P_GROUP_MEMBER ", 17) == 0) {
8919                 reply_len = p2p_ctrl_group_member(wpa_s, buf + 17, reply,
8920                                                   reply_size);
8921         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
8922                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
8923                         reply_len = -1;
8924         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
8925                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
8926         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
8927                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
8928                                                    reply_size);
8929         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
8930                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
8931                         reply_len = -1;
8932         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
8933                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
8934                         reply_len = -1;
8935         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
8936                 wpas_p2p_sd_service_update(wpa_s);
8937         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
8938                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
8939                         reply_len = -1;
8940         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
8941                 wpas_p2p_service_flush(wpa_s);
8942         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
8943                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
8944                         reply_len = -1;
8945         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
8946                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
8947                         reply_len = -1;
8948         } else if (os_strncmp(buf, "P2P_SERVICE_REP ", 16) == 0) {
8949                 if (p2p_ctrl_service_replace(wpa_s, buf + 16) < 0)
8950                         reply_len = -1;
8951         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
8952                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
8953                         reply_len = -1;
8954         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
8955                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
8956                         reply_len = -1;
8957         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
8958                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
8959                                               reply_size);
8960         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
8961                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
8962                         reply_len = -1;
8963         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
8964                 p2p_ctrl_flush(wpa_s);
8965         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
8966                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
8967                         reply_len = -1;
8968         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
8969                 if (wpas_p2p_cancel(wpa_s))
8970                         reply_len = -1;
8971         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
8972                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
8973                         reply_len = -1;
8974         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
8975                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
8976                         reply_len = -1;
8977         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
8978                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
8979                         reply_len = -1;
8980         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
8981                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
8982                         reply_len = -1;
8983         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
8984                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
8985                         reply_len = -1;
8986         } else if (os_strncmp(buf, "P2P_LO_START ", 13) == 0) {
8987                 if (p2p_ctrl_iface_p2p_lo_start(wpa_s, buf + 13))
8988                         reply_len = -1;
8989         } else if (os_strcmp(buf, "P2P_LO_STOP") == 0) {
8990                 if (wpas_p2p_lo_stop(wpa_s))
8991                         reply_len = -1;
8992 #endif /* CONFIG_P2P */
8993 #ifdef CONFIG_WIFI_DISPLAY
8994         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
8995                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
8996                         reply_len = -1;
8997         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
8998                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
8999                                                      reply, reply_size);
9000 #endif /* CONFIG_WIFI_DISPLAY */
9001 #ifdef CONFIG_INTERWORKING
9002         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
9003                 if (interworking_fetch_anqp(wpa_s) < 0)
9004                         reply_len = -1;
9005         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
9006                 interworking_stop_fetch_anqp(wpa_s);
9007         } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
9008                 if (ctrl_interworking_select(wpa_s, NULL) < 0)
9009                         reply_len = -1;
9010         } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
9011                 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
9012                         reply_len = -1;
9013         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
9014                 if (ctrl_interworking_connect(wpa_s, buf + 21, 0) < 0)
9015                         reply_len = -1;
9016         } else if (os_strncmp(buf, "INTERWORKING_ADD_NETWORK ", 25) == 0) {
9017                 int id;
9018
9019                 id = ctrl_interworking_connect(wpa_s, buf + 25, 1);
9020                 if (id < 0)
9021                         reply_len = -1;
9022                 else {
9023                         reply_len = os_snprintf(reply, reply_size, "%d\n", id);
9024                         if (os_snprintf_error(reply_size, reply_len))
9025                                 reply_len = -1;
9026                 }
9027         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
9028                 if (get_anqp(wpa_s, buf + 9) < 0)
9029                         reply_len = -1;
9030         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
9031                 if (gas_request(wpa_s, buf + 12) < 0)
9032                         reply_len = -1;
9033         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
9034                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
9035                                              reply_size);
9036 #endif /* CONFIG_INTERWORKING */
9037 #ifdef CONFIG_HS20
9038         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
9039                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
9040                         reply_len = -1;
9041         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
9042                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
9043                         reply_len = -1;
9044         } else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
9045                 if (hs20_icon_request(wpa_s, buf + 18, 0) < 0)
9046                         reply_len = -1;
9047         } else if (os_strncmp(buf, "REQ_HS20_ICON ", 14) == 0) {
9048                 if (hs20_icon_request(wpa_s, buf + 14, 1) < 0)
9049                         reply_len = -1;
9050         } else if (os_strncmp(buf, "GET_HS20_ICON ", 14) == 0) {
9051                 reply_len = get_hs20_icon(wpa_s, buf + 14, reply, reply_size);
9052         } else if (os_strncmp(buf, "DEL_HS20_ICON ", 14) == 0) {
9053                 if (del_hs20_icon(wpa_s, buf + 14) < 0)
9054                         reply_len = -1;
9055         } else if (os_strcmp(buf, "FETCH_OSU") == 0) {
9056                 if (hs20_fetch_osu(wpa_s, 0) < 0)
9057                         reply_len = -1;
9058         } else if (os_strcmp(buf, "FETCH_OSU no-scan") == 0) {
9059                 if (hs20_fetch_osu(wpa_s, 1) < 0)
9060                         reply_len = -1;
9061         } else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
9062                 hs20_cancel_fetch_osu(wpa_s);
9063 #endif /* CONFIG_HS20 */
9064         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
9065         {
9066                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
9067                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
9068                         reply_len = -1;
9069                 else {
9070                         /*
9071                          * Notify response from timeout to allow the control
9072                          * interface response to be sent first.
9073                          */
9074                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
9075                                                wpa_s, NULL);
9076                 }
9077         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
9078                 if (wpa_supplicant_reload_configuration(wpa_s))
9079                         reply_len = -1;
9080         } else if (os_strcmp(buf, "TERMINATE") == 0) {
9081                 wpa_supplicant_terminate_proc(wpa_s->global);
9082         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
9083                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
9084                         reply_len = -1;
9085         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
9086                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
9087                         wpa_s, buf + 9, reply, reply_size);
9088         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
9089                 reply_len = wpa_supplicant_ctrl_iface_log_level(
9090                         wpa_s, buf + 9, reply, reply_size);
9091         } else if (os_strncmp(buf, "LIST_NETWORKS ", 14) == 0) {
9092                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
9093                         wpa_s, buf + 14, reply, reply_size);
9094         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
9095                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
9096                         wpa_s, NULL, reply, reply_size);
9097         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
9098                 wpas_request_disconnection(wpa_s);
9099         } else if (os_strcmp(buf, "SCAN") == 0) {
9100                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
9101         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
9102                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
9103         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
9104                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
9105                         wpa_s, reply, reply_size);
9106         } else if (os_strcmp(buf, "ABORT_SCAN") == 0) {
9107                 if (wpas_abort_ongoing_scan(wpa_s) < 0)
9108                         reply_len = -1;
9109         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
9110                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
9111                         reply_len = -1;
9112         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
9113                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
9114                         reply_len = -1;
9115         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
9116                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
9117                         reply_len = -1;
9118         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
9119                 reply_len = wpa_supplicant_ctrl_iface_add_network(
9120                         wpa_s, reply, reply_size);
9121         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
9122                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
9123                         reply_len = -1;
9124         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
9125                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
9126                         reply_len = -1;
9127         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
9128                 reply_len = wpa_supplicant_ctrl_iface_get_network(
9129                         wpa_s, buf + 12, reply, reply_size);
9130         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
9131                 if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12,
9132                                                           wpa_s))
9133                         reply_len = -1;
9134         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
9135                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
9136                         wpa_s, reply, reply_size);
9137         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
9138                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
9139                         wpa_s, reply, reply_size);
9140         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
9141                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
9142                         reply_len = -1;
9143         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
9144                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
9145                         reply_len = -1;
9146         } else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
9147                 reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
9148                                                                reply,
9149                                                                reply_size);
9150 #ifndef CONFIG_NO_CONFIG_WRITE
9151         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
9152                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
9153                         reply_len = -1;
9154 #endif /* CONFIG_NO_CONFIG_WRITE */
9155         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
9156                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
9157                         wpa_s, buf + 15, reply, reply_size);
9158         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
9159                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
9160                         reply_len = -1;
9161         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
9162                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
9163                         reply_len = -1;
9164         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
9165                 reply_len = wpa_supplicant_global_iface_list(
9166                         wpa_s->global, reply, reply_size);
9167         } else if (os_strncmp(buf, "INTERFACES", 10) == 0) {
9168                 reply_len = wpa_supplicant_global_iface_interfaces(
9169                         wpa_s->global, buf + 10, reply, reply_size);
9170         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
9171                 reply_len = wpa_supplicant_ctrl_iface_bss(
9172                         wpa_s, buf + 4, reply, reply_size);
9173 #ifdef CONFIG_AP
9174         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
9175                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
9176         } else if (os_strncmp(buf, "STA ", 4) == 0) {
9177                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
9178                                               reply_size);
9179         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
9180                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
9181                                                    reply_size);
9182         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
9183                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
9184                         reply_len = -1;
9185         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
9186                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
9187                         reply_len = -1;
9188         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
9189                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
9190                         reply_len = -1;
9191         } else if (os_strcmp(buf, "STOP_AP") == 0) {
9192                 if (wpas_ap_stop_ap(wpa_s))
9193                         reply_len = -1;
9194 #endif /* CONFIG_AP */
9195         } else if (os_strcmp(buf, "SUSPEND") == 0) {
9196                 wpas_notify_suspend(wpa_s->global);
9197         } else if (os_strcmp(buf, "RESUME") == 0) {
9198                 wpas_notify_resume(wpa_s->global);
9199 #ifdef CONFIG_TESTING_OPTIONS
9200         } else if (os_strcmp(buf, "DROP_SA") == 0) {
9201                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
9202 #endif /* CONFIG_TESTING_OPTIONS */
9203         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
9204                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
9205                         reply_len = -1;
9206         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
9207                 wpa_s->auto_reconnect_disabled = atoi(buf + 16) == 0;
9208         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
9209                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
9210                         reply_len = -1;
9211         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
9212                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
9213                                                                buf + 17))
9214                         reply_len = -1;
9215         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
9216                 wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10);
9217 #ifdef CONFIG_TDLS
9218         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
9219                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
9220                         reply_len = -1;
9221         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
9222                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
9223                         reply_len = -1;
9224         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
9225                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
9226                         reply_len = -1;
9227         } else if (os_strncmp(buf, "TDLS_CHAN_SWITCH ", 17) == 0) {
9228                 if (wpa_supplicant_ctrl_iface_tdls_chan_switch(wpa_s,
9229                                                                buf + 17))
9230                         reply_len = -1;
9231         } else if (os_strncmp(buf, "TDLS_CANCEL_CHAN_SWITCH ", 24) == 0) {
9232                 if (wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(wpa_s,
9233                                                                       buf + 24))
9234                         reply_len = -1;
9235         } else if (os_strncmp(buf, "TDLS_LINK_STATUS ", 17) == 0) {
9236                 reply_len = wpa_supplicant_ctrl_iface_tdls_link_status(
9237                         wpa_s, buf + 17, reply, reply_size);
9238 #endif /* CONFIG_TDLS */
9239         } else if (os_strcmp(buf, "WMM_AC_STATUS") == 0) {
9240                 reply_len = wpas_wmm_ac_status(wpa_s, reply, reply_size);
9241         } else if (os_strncmp(buf, "WMM_AC_ADDTS ", 13) == 0) {
9242                 if (wmm_ac_ctrl_addts(wpa_s, buf + 13))
9243                         reply_len = -1;
9244         } else if (os_strncmp(buf, "WMM_AC_DELTS ", 13) == 0) {
9245                 if (wmm_ac_ctrl_delts(wpa_s, buf + 13))
9246                         reply_len = -1;
9247         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
9248                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
9249                                                        reply_size);
9250         } else if (os_strncmp(buf, "SIGNAL_MONITOR", 14) == 0) {
9251                 if (wpas_ctrl_iface_signal_monitor(wpa_s, buf + 14))
9252                         reply_len = -1;
9253         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
9254                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
9255                                                        reply_size);
9256 #ifdef CONFIG_AUTOSCAN
9257         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
9258                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
9259                         reply_len = -1;
9260 #endif /* CONFIG_AUTOSCAN */
9261         } else if (os_strcmp(buf, "DRIVER_FLAGS") == 0) {
9262                 reply_len = wpas_ctrl_iface_driver_flags(wpa_s, reply,
9263                                                          reply_size);
9264 #ifdef ANDROID
9265         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
9266                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
9267                                                       reply_size);
9268 #endif /* ANDROID */
9269         } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
9270                 reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
9271                                                       reply_size);
9272         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
9273                 pmksa_cache_clear_current(wpa_s->wpa);
9274                 eapol_sm_request_reauth(wpa_s->eapol);
9275 #ifdef CONFIG_WNM
9276         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
9277                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
9278                         reply_len = -1;
9279         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 14) == 0) {
9280                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 14))
9281                                 reply_len = -1;
9282 #endif /* CONFIG_WNM */
9283         } else if (os_strcmp(buf, "FLUSH") == 0) {
9284                 wpa_supplicant_ctrl_iface_flush(wpa_s);
9285         } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
9286                 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
9287                                                  reply_size);
9288 #ifdef CONFIG_TESTING_OPTIONS
9289         } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
9290                 if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
9291                         reply_len = -1;
9292         } else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
9293                 wpas_ctrl_iface_mgmt_tx_done(wpa_s);
9294         } else if (os_strncmp(buf, "MGMT_RX_PROCESS ", 16) == 0) {
9295                 if (wpas_ctrl_iface_mgmt_rx_process(wpa_s, buf + 16) < 0)
9296                         reply_len = -1;
9297         } else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
9298                 if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
9299                         reply_len = -1;
9300         } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
9301                 if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
9302                         reply_len = -1;
9303         } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
9304                 if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
9305                         reply_len = -1;
9306         } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
9307                 if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
9308                         reply_len = -1;
9309         } else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
9310                 if (wpas_ctrl_iface_data_test_frame(wpa_s, buf + 16) < 0)
9311                         reply_len = -1;
9312         } else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) {
9313                 if (wpas_ctrl_test_alloc_fail(wpa_s, buf + 16) < 0)
9314                         reply_len = -1;
9315         } else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) {
9316                 reply_len = wpas_ctrl_get_alloc_fail(wpa_s, reply, reply_size);
9317         } else if (os_strncmp(buf, "TEST_FAIL ", 10) == 0) {
9318                 if (wpas_ctrl_test_fail(wpa_s, buf + 10) < 0)
9319                         reply_len = -1;
9320         } else if (os_strcmp(buf, "GET_FAIL") == 0) {
9321                 reply_len = wpas_ctrl_get_fail(wpa_s, reply, reply_size);
9322         } else if (os_strncmp(buf, "EVENT_TEST ", 11) == 0) {
9323                 if (wpas_ctrl_event_test(wpa_s, buf + 11) < 0)
9324                         reply_len = -1;
9325         } else if (os_strncmp(buf, "TEST_ASSOC_IE ", 14) == 0) {
9326                 if (wpas_ctrl_test_assoc_ie(wpa_s, buf + 14) < 0)
9327                         reply_len = -1;
9328 #endif /* CONFIG_TESTING_OPTIONS */
9329         } else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
9330                 if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
9331                         reply_len = -1;
9332         } else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
9333                 reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
9334                                                       reply_size);
9335         } else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
9336                 if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
9337                         reply_len = -1;
9338         } else if (os_strncmp(buf, "NEIGHBOR_REP_REQUEST", 20) == 0) {
9339                 if (wpas_ctrl_iface_send_neighbor_rep(wpa_s, buf + 20))
9340                         reply_len = -1;
9341         } else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
9342                 wpas_ctrl_iface_erp_flush(wpa_s);
9343         } else if (os_strncmp(buf, "MAC_RAND_SCAN ", 14) == 0) {
9344                 if (wpas_ctrl_iface_mac_rand_scan(wpa_s, buf + 14))
9345                         reply_len = -1;
9346         } else if (os_strncmp(buf, "GET_PREF_FREQ_LIST ", 19) == 0) {
9347                 reply_len = wpas_ctrl_iface_get_pref_freq_list(
9348                         wpa_s, buf + 19, reply, reply_size);
9349         } else {
9350                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
9351                 reply_len = 16;
9352         }
9353
9354         if (reply_len < 0) {
9355                 os_memcpy(reply, "FAIL\n", 5);
9356                 reply_len = 5;
9357         }
9358
9359         *resp_len = reply_len;
9360         return reply;
9361 }
9362
9363
9364 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
9365                                            char *cmd)
9366 {
9367         struct wpa_interface iface;
9368         char *pos, *extra;
9369         struct wpa_supplicant *wpa_s;
9370         unsigned int create_iface = 0;
9371         u8 mac_addr[ETH_ALEN];
9372         enum wpa_driver_if_type type = WPA_IF_STATION;
9373
9374         /*
9375          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
9376          * TAB<bridge_ifname>[TAB<create>[TAB<interface_type>]]
9377          */
9378         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
9379
9380         os_memset(&iface, 0, sizeof(iface));
9381
9382         do {
9383                 iface.ifname = pos = cmd;
9384                 pos = os_strchr(pos, '\t');
9385                 if (pos)
9386                         *pos++ = '\0';
9387                 if (iface.ifname[0] == '\0')
9388                         return -1;
9389                 if (pos == NULL)
9390                         break;
9391
9392                 iface.confname = pos;
9393                 pos = os_strchr(pos, '\t');
9394                 if (pos)
9395                         *pos++ = '\0';
9396                 if (iface.confname[0] == '\0')
9397                         iface.confname = NULL;
9398                 if (pos == NULL)
9399                         break;
9400
9401                 iface.driver = pos;
9402                 pos = os_strchr(pos, '\t');
9403                 if (pos)
9404                         *pos++ = '\0';
9405                 if (iface.driver[0] == '\0')
9406                         iface.driver = NULL;
9407                 if (pos == NULL)
9408                         break;
9409
9410                 iface.ctrl_interface = pos;
9411                 pos = os_strchr(pos, '\t');
9412                 if (pos)
9413                         *pos++ = '\0';
9414                 if (iface.ctrl_interface[0] == '\0')
9415                         iface.ctrl_interface = NULL;
9416                 if (pos == NULL)
9417                         break;
9418
9419                 iface.driver_param = pos;
9420                 pos = os_strchr(pos, '\t');
9421                 if (pos)
9422                         *pos++ = '\0';
9423                 if (iface.driver_param[0] == '\0')
9424                         iface.driver_param = NULL;
9425                 if (pos == NULL)
9426                         break;
9427
9428                 iface.bridge_ifname = pos;
9429                 pos = os_strchr(pos, '\t');
9430                 if (pos)
9431                         *pos++ = '\0';
9432                 if (iface.bridge_ifname[0] == '\0')
9433                         iface.bridge_ifname = NULL;
9434                 if (pos == NULL)
9435                         break;
9436
9437                 extra = pos;
9438                 pos = os_strchr(pos, '\t');
9439                 if (pos)
9440                         *pos++ = '\0';
9441                 if (!extra[0])
9442                         break;
9443
9444                 if (os_strcmp(extra, "create") == 0) {
9445                         create_iface = 1;
9446                         if (!pos)
9447                                 break;
9448
9449                         if (os_strcmp(pos, "sta") == 0) {
9450                                 type = WPA_IF_STATION;
9451                         } else if (os_strcmp(pos, "ap") == 0) {
9452                                 type = WPA_IF_AP_BSS;
9453                         } else {
9454                                 wpa_printf(MSG_DEBUG,
9455                                            "INTERFACE_ADD unsupported interface type: '%s'",
9456                                            pos);
9457                                 return -1;
9458                         }
9459                 } else {
9460                         wpa_printf(MSG_DEBUG,
9461                                    "INTERFACE_ADD unsupported extra parameter: '%s'",
9462                                    extra);
9463                         return -1;
9464                 }
9465         } while (0);
9466
9467         if (create_iface) {
9468                 wpa_printf(MSG_DEBUG, "CTRL_IFACE creating interface '%s'",
9469                            iface.ifname);
9470                 if (!global->ifaces)
9471                         return -1;
9472                 if (wpa_drv_if_add(global->ifaces, type, iface.ifname,
9473                                    NULL, NULL, NULL, mac_addr, NULL) < 0) {
9474                         wpa_printf(MSG_ERROR,
9475                                    "CTRL_IFACE interface creation failed");
9476                         return -1;
9477                 }
9478
9479                 wpa_printf(MSG_DEBUG,
9480                            "CTRL_IFACE interface '%s' created with MAC addr: "
9481                            MACSTR, iface.ifname, MAC2STR(mac_addr));
9482         }
9483
9484         if (wpa_supplicant_get_iface(global, iface.ifname))
9485                 goto fail;
9486
9487         wpa_s = wpa_supplicant_add_iface(global, &iface, NULL);
9488         if (!wpa_s)
9489                 goto fail;
9490         wpa_s->added_vif = create_iface;
9491         return 0;
9492
9493 fail:
9494         if (create_iface)
9495                 wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, iface.ifname);
9496         return -1;
9497 }
9498
9499
9500 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
9501                                               char *cmd)
9502 {
9503         struct wpa_supplicant *wpa_s;
9504         int ret;
9505         unsigned int delete_iface;
9506
9507         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
9508
9509         wpa_s = wpa_supplicant_get_iface(global, cmd);
9510         if (wpa_s == NULL)
9511                 return -1;
9512         delete_iface = wpa_s->added_vif;
9513         ret = wpa_supplicant_remove_iface(global, wpa_s, 0);
9514         if (!ret && delete_iface) {
9515                 wpa_printf(MSG_DEBUG, "CTRL_IFACE deleting the interface '%s'",
9516                            cmd);
9517                 ret = wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, cmd);
9518         }
9519         return ret;
9520 }
9521
9522
9523 static void wpa_free_iface_info(struct wpa_interface_info *iface)
9524 {
9525         struct wpa_interface_info *prev;
9526
9527         while (iface) {
9528                 prev = iface;
9529                 iface = iface->next;
9530
9531                 os_free(prev->ifname);
9532                 os_free(prev->desc);
9533                 os_free(prev);
9534         }
9535 }
9536
9537
9538 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
9539                                             char *buf, int len)
9540 {
9541         int i, res;
9542         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
9543         char *pos, *end;
9544
9545         for (i = 0; wpa_drivers[i]; i++) {
9546                 const struct wpa_driver_ops *drv = wpa_drivers[i];
9547                 if (drv->get_interfaces == NULL)
9548                         continue;
9549                 tmp = drv->get_interfaces(global->drv_priv[i]);
9550                 if (tmp == NULL)
9551                         continue;
9552
9553                 if (last == NULL)
9554                         iface = last = tmp;
9555                 else
9556                         last->next = tmp;
9557                 while (last->next)
9558                         last = last->next;
9559         }
9560
9561         pos = buf;
9562         end = buf + len;
9563         for (tmp = iface; tmp; tmp = tmp->next) {
9564                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
9565                                   tmp->drv_name, tmp->ifname,
9566                                   tmp->desc ? tmp->desc : "");
9567                 if (os_snprintf_error(end - pos, res)) {
9568                         *pos = '\0';
9569                         break;
9570                 }
9571                 pos += res;
9572         }
9573
9574         wpa_free_iface_info(iface);
9575
9576         return pos - buf;
9577 }
9578
9579
9580 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
9581                                                   const char *input,
9582                                                   char *buf, int len)
9583 {
9584         int res;
9585         char *pos, *end;
9586         struct wpa_supplicant *wpa_s;
9587         int show_ctrl = 0;
9588
9589         if (input)
9590                 show_ctrl = !!os_strstr(input, "ctrl");
9591
9592         wpa_s = global->ifaces;
9593         pos = buf;
9594         end = buf + len;
9595
9596         while (wpa_s) {
9597                 if (show_ctrl)
9598                         res = os_snprintf(pos, end - pos, "%s ctrl_iface=%s\n",
9599                                           wpa_s->ifname,
9600                                           wpa_s->conf->ctrl_interface ?
9601                                           wpa_s->conf->ctrl_interface : "N/A");
9602                 else
9603                         res = os_snprintf(pos, end - pos, "%s\n",
9604                                           wpa_s->ifname);
9605
9606                 if (os_snprintf_error(end - pos, res)) {
9607                         *pos = '\0';
9608                         break;
9609                 }
9610                 pos += res;
9611                 wpa_s = wpa_s->next;
9612         }
9613         return pos - buf;
9614 }
9615
9616
9617 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
9618                                             const char *ifname,
9619                                             char *cmd, size_t *resp_len)
9620 {
9621         struct wpa_supplicant *wpa_s;
9622
9623         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9624                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
9625                         break;
9626         }
9627
9628         if (wpa_s == NULL) {
9629                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
9630                 if (resp)
9631                         *resp_len = os_strlen(resp);
9632                 else
9633                         *resp_len = 1;
9634                 return resp;
9635         }
9636
9637         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
9638 }
9639
9640
9641 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
9642                                                char *buf, size_t *resp_len)
9643 {
9644 #ifdef CONFIG_P2P
9645         static const char * cmd[] = {
9646                 "LIST_NETWORKS",
9647                 "P2P_FIND",
9648                 "P2P_STOP_FIND",
9649                 "P2P_LISTEN",
9650                 "P2P_GROUP_ADD",
9651                 "P2P_GET_PASSPHRASE",
9652                 "P2P_SERVICE_UPDATE",
9653                 "P2P_SERVICE_FLUSH",
9654                 "P2P_FLUSH",
9655                 "P2P_CANCEL",
9656                 "P2P_PRESENCE_REQ",
9657                 "P2P_EXT_LISTEN",
9658                 NULL
9659         };
9660         static const char * prefix[] = {
9661 #ifdef ANDROID
9662                 "DRIVER ",
9663 #endif /* ANDROID */
9664                 "GET_NETWORK ",
9665                 "REMOVE_NETWORK ",
9666                 "P2P_FIND ",
9667                 "P2P_CONNECT ",
9668                 "P2P_LISTEN ",
9669                 "P2P_GROUP_REMOVE ",
9670                 "P2P_GROUP_ADD ",
9671                 "P2P_GROUP_MEMBER ",
9672                 "P2P_PROV_DISC ",
9673                 "P2P_SERV_DISC_REQ ",
9674                 "P2P_SERV_DISC_CANCEL_REQ ",
9675                 "P2P_SERV_DISC_RESP ",
9676                 "P2P_SERV_DISC_EXTERNAL ",
9677                 "P2P_SERVICE_ADD ",
9678                 "P2P_SERVICE_DEL ",
9679                 "P2P_SERVICE_REP ",
9680                 "P2P_REJECT ",
9681                 "P2P_INVITE ",
9682                 "P2P_PEER ",
9683                 "P2P_SET ",
9684                 "P2P_UNAUTHORIZE ",
9685                 "P2P_PRESENCE_REQ ",
9686                 "P2P_EXT_LISTEN ",
9687                 "P2P_REMOVE_CLIENT ",
9688                 "WPS_NFC_TOKEN ",
9689                 "WPS_NFC_TAG_READ ",
9690                 "NFC_GET_HANDOVER_SEL ",
9691                 "NFC_GET_HANDOVER_REQ ",
9692                 "NFC_REPORT_HANDOVER ",
9693                 "P2P_ASP_PROVISION ",
9694                 "P2P_ASP_PROVISION_RESP ",
9695                 NULL
9696         };
9697         int found = 0;
9698         int i;
9699
9700         if (global->p2p_init_wpa_s == NULL)
9701                 return NULL;
9702
9703         for (i = 0; !found && cmd[i]; i++) {
9704                 if (os_strcmp(buf, cmd[i]) == 0)
9705                         found = 1;
9706         }
9707
9708         for (i = 0; !found && prefix[i]; i++) {
9709                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
9710                         found = 1;
9711         }
9712
9713         if (found)
9714                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
9715                                                          buf, resp_len);
9716 #endif /* CONFIG_P2P */
9717         return NULL;
9718 }
9719
9720
9721 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
9722                                                char *buf, size_t *resp_len)
9723 {
9724 #ifdef CONFIG_WIFI_DISPLAY
9725         if (global->p2p_init_wpa_s == NULL)
9726                 return NULL;
9727         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
9728             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
9729                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
9730                                                          buf, resp_len);
9731 #endif /* CONFIG_WIFI_DISPLAY */
9732         return NULL;
9733 }
9734
9735
9736 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
9737                                            char *buf, size_t *resp_len)
9738 {
9739         char *ret;
9740
9741         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
9742         if (ret)
9743                 return ret;
9744
9745         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
9746         if (ret)
9747                 return ret;
9748
9749         return NULL;
9750 }
9751
9752
9753 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
9754 {
9755         char *value;
9756
9757         value = os_strchr(cmd, ' ');
9758         if (value == NULL)
9759                 return -1;
9760         *value++ = '\0';
9761
9762         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
9763
9764 #ifdef CONFIG_WIFI_DISPLAY
9765         if (os_strcasecmp(cmd, "wifi_display") == 0) {
9766                 wifi_display_enable(global, !!atoi(value));
9767                 return 0;
9768         }
9769 #endif /* CONFIG_WIFI_DISPLAY */
9770
9771         /* Restore cmd to its original value to allow redirection */
9772         value[-1] = ' ';
9773
9774         return -1;
9775 }
9776
9777
9778 static int wpas_global_ctrl_iface_dup_network(struct wpa_global *global,
9779                                               char *cmd)
9780 {
9781         struct wpa_supplicant *wpa_s[2]; /* src, dst */
9782         char *p;
9783         unsigned int i;
9784
9785         /* cmd: "<src ifname> <dst ifname> <src network id> <dst network id>
9786          * <variable name> */
9787
9788         for (i = 0; i < ARRAY_SIZE(wpa_s) ; i++) {
9789                 p = os_strchr(cmd, ' ');
9790                 if (p == NULL)
9791                         return -1;
9792                 *p = '\0';
9793
9794                 wpa_s[i] = global->ifaces;
9795                 for (; wpa_s[i]; wpa_s[i] = wpa_s[i]->next) {
9796                         if (os_strcmp(cmd, wpa_s[i]->ifname) == 0)
9797                                 break;
9798                 }
9799
9800                 if (!wpa_s[i]) {
9801                         wpa_printf(MSG_DEBUG,
9802                                    "CTRL_IFACE: Could not find iface=%s", cmd);
9803                         return -1;
9804                 }
9805
9806                 cmd = p + 1;
9807         }
9808
9809         return wpa_supplicant_ctrl_iface_dup_network(wpa_s[0], cmd, wpa_s[1]);
9810 }
9811
9812
9813 #ifndef CONFIG_NO_CONFIG_WRITE
9814 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
9815 {
9816         int ret = 0, saved = 0;
9817         struct wpa_supplicant *wpa_s;
9818
9819         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9820                 if (!wpa_s->conf->update_config) {
9821                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
9822                         continue;
9823                 }
9824
9825                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
9826                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
9827                         ret = 1;
9828                 } else {
9829                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
9830                         saved++;
9831                 }
9832         }
9833
9834         if (!saved && !ret) {
9835                 wpa_dbg(wpa_s, MSG_DEBUG,
9836                         "CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
9837                 ret = 1;
9838         }
9839
9840         return ret;
9841 }
9842 #endif /* CONFIG_NO_CONFIG_WRITE */
9843
9844
9845 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
9846                                          char *buf, size_t buflen)
9847 {
9848         char *pos, *end;
9849         int ret;
9850         struct wpa_supplicant *wpa_s;
9851
9852         pos = buf;
9853         end = buf + buflen;
9854
9855 #ifdef CONFIG_P2P
9856         if (global->p2p && !global->p2p_disabled) {
9857                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
9858                                   "\n"
9859                                   "p2p_state=%s\n",
9860                                   MAC2STR(global->p2p_dev_addr),
9861                                   p2p_get_state_txt(global->p2p));
9862                 if (os_snprintf_error(end - pos, ret))
9863                         return pos - buf;
9864                 pos += ret;
9865         } else if (global->p2p) {
9866                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
9867                 if (os_snprintf_error(end - pos, ret))
9868                         return pos - buf;
9869                 pos += ret;
9870         }
9871 #endif /* CONFIG_P2P */
9872
9873 #ifdef CONFIG_WIFI_DISPLAY
9874         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
9875                           !!global->wifi_display);
9876         if (os_snprintf_error(end - pos, ret))
9877                 return pos - buf;
9878         pos += ret;
9879 #endif /* CONFIG_WIFI_DISPLAY */
9880
9881         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9882                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
9883                                   "address=" MACSTR "\n",
9884                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
9885                 if (os_snprintf_error(end - pos, ret))
9886                         return pos - buf;
9887                 pos += ret;
9888         }
9889
9890         return pos - buf;
9891 }
9892
9893
9894 #ifdef CONFIG_FST
9895
9896 static int wpas_global_ctrl_iface_fst_attach(struct wpa_global *global,
9897                                              char *cmd, char *buf,
9898                                              size_t reply_size)
9899 {
9900         char ifname[IFNAMSIZ + 1];
9901         struct fst_iface_cfg cfg;
9902         struct wpa_supplicant *wpa_s;
9903         struct fst_wpa_obj iface_obj;
9904
9905         if (!fst_parse_attach_command(cmd, ifname, sizeof(ifname), &cfg)) {
9906                 wpa_s = wpa_supplicant_get_iface(global, ifname);
9907                 if (wpa_s) {
9908                         if (wpa_s->fst) {
9909                                 wpa_printf(MSG_INFO, "FST: Already attached");
9910                                 return -1;
9911                         }
9912                         fst_wpa_supplicant_fill_iface_obj(wpa_s, &iface_obj);
9913                         wpa_s->fst = fst_attach(ifname, wpa_s->own_addr,
9914                                                 &iface_obj, &cfg);
9915                         if (wpa_s->fst)
9916                                 return os_snprintf(buf, reply_size, "OK\n");
9917                 }
9918         }
9919
9920         return -1;
9921 }
9922
9923
9924 static int wpas_global_ctrl_iface_fst_detach(struct wpa_global *global,
9925                                              char *cmd, char *buf,
9926                                              size_t reply_size)
9927 {
9928         char ifname[IFNAMSIZ + 1];
9929         struct wpa_supplicant *wpa_s;
9930
9931         if (!fst_parse_detach_command(cmd, ifname, sizeof(ifname))) {
9932                 wpa_s = wpa_supplicant_get_iface(global, ifname);
9933                 if (wpa_s) {
9934                         if (!fst_iface_detach(ifname)) {
9935                                 wpa_s->fst = NULL;
9936                                 return os_snprintf(buf, reply_size, "OK\n");
9937                         }
9938                 }
9939         }
9940
9941         return -1;
9942 }
9943
9944 #endif /* CONFIG_FST */
9945
9946
9947 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
9948                                                 char *buf, size_t *resp_len)
9949 {
9950         char *reply;
9951         const int reply_size = 2048;
9952         int reply_len;
9953         int level = MSG_DEBUG;
9954
9955         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
9956                 char *pos = os_strchr(buf + 7, ' ');
9957                 if (pos) {
9958                         *pos++ = '\0';
9959                         return wpas_global_ctrl_iface_ifname(global,
9960                                                              buf + 7, pos,
9961                                                              resp_len);
9962                 }
9963         }
9964
9965         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
9966         if (reply)
9967                 return reply;
9968
9969         if (os_strcmp(buf, "PING") == 0)
9970                 level = MSG_EXCESSIVE;
9971         wpa_hexdump_ascii(level, "RX global ctrl_iface",
9972                           (const u8 *) buf, os_strlen(buf));
9973
9974         reply = os_malloc(reply_size);
9975         if (reply == NULL) {
9976                 *resp_len = 1;
9977                 return NULL;
9978         }
9979
9980         os_memcpy(reply, "OK\n", 3);
9981         reply_len = 3;
9982
9983         if (os_strcmp(buf, "PING") == 0) {
9984                 os_memcpy(reply, "PONG\n", 5);
9985                 reply_len = 5;
9986         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
9987                 if (wpa_supplicant_global_iface_add(global, buf + 14))
9988                         reply_len = -1;
9989         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
9990                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
9991                         reply_len = -1;
9992         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
9993                 reply_len = wpa_supplicant_global_iface_list(
9994                         global, reply, reply_size);
9995         } else if (os_strncmp(buf, "INTERFACES", 10) == 0) {
9996                 reply_len = wpa_supplicant_global_iface_interfaces(
9997                         global, buf + 10, reply, reply_size);
9998 #ifdef CONFIG_FST
9999         } else if (os_strncmp(buf, "FST-ATTACH ", 11) == 0) {
10000                 reply_len = wpas_global_ctrl_iface_fst_attach(global, buf + 11,
10001                                                               reply,
10002                                                               reply_size);
10003         } else if (os_strncmp(buf, "FST-DETACH ", 11) == 0) {
10004                 reply_len = wpas_global_ctrl_iface_fst_detach(global, buf + 11,
10005                                                               reply,
10006                                                               reply_size);
10007         } else if (os_strncmp(buf, "FST-MANAGER ", 12) == 0) {
10008                 reply_len = fst_ctrl_iface_receive(buf + 12, reply, reply_size);
10009 #endif /* CONFIG_FST */
10010         } else if (os_strcmp(buf, "TERMINATE") == 0) {
10011                 wpa_supplicant_terminate_proc(global);
10012         } else if (os_strcmp(buf, "SUSPEND") == 0) {
10013                 wpas_notify_suspend(global);
10014         } else if (os_strcmp(buf, "RESUME") == 0) {
10015                 wpas_notify_resume(global);
10016         } else if (os_strncmp(buf, "SET ", 4) == 0) {
10017                 if (wpas_global_ctrl_iface_set(global, buf + 4)) {
10018 #ifdef CONFIG_P2P
10019                         if (global->p2p_init_wpa_s) {
10020                                 os_free(reply);
10021                                 /* Check if P2P redirection would work for this
10022                                  * command. */
10023                                 return wpa_supplicant_ctrl_iface_process(
10024                                         global->p2p_init_wpa_s,
10025                                         buf, resp_len);
10026                         }
10027 #endif /* CONFIG_P2P */
10028                         reply_len = -1;
10029                 }
10030         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
10031                 if (wpas_global_ctrl_iface_dup_network(global, buf + 12))
10032                         reply_len = -1;
10033 #ifndef CONFIG_NO_CONFIG_WRITE
10034         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
10035                 if (wpas_global_ctrl_iface_save_config(global))
10036                         reply_len = -1;
10037 #endif /* CONFIG_NO_CONFIG_WRITE */
10038         } else if (os_strcmp(buf, "STATUS") == 0) {
10039                 reply_len = wpas_global_ctrl_iface_status(global, reply,
10040                                                           reply_size);
10041 #ifdef CONFIG_MODULE_TESTS
10042         } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
10043                 if (wpas_module_tests() < 0)
10044                         reply_len = -1;
10045 #endif /* CONFIG_MODULE_TESTS */
10046         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
10047                 if (wpa_debug_reopen_file() < 0)
10048                         reply_len = -1;
10049         } else {
10050                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
10051                 reply_len = 16;
10052         }
10053
10054         if (reply_len < 0) {
10055                 os_memcpy(reply, "FAIL\n", 5);
10056                 reply_len = 5;
10057         }
10058
10059         *resp_len = reply_len;
10060         return reply;
10061 }