P2P: Allow a specific channel to be specified in P2P_FIND
[mech_eap.git] / wpa_supplicant / ctrl_iface.c
1 /*
2  * WPA Supplicant / Control interface (shared code for all backends)
3  * Copyright (c) 2004-2015, Jouni Malinen <j@w1.fi>
4  *
5  * This software may be distributed under the terms of the BSD license.
6  * See README for more details.
7  */
8
9 #include "utils/includes.h"
10 #ifdef CONFIG_TESTING_OPTIONS
11 #include <net/ethernet.h>
12 #include <netinet/ip.h>
13 #endif /* CONFIG_TESTING_OPTIONS */
14
15 #include "utils/common.h"
16 #include "utils/eloop.h"
17 #include "utils/uuid.h"
18 #include "common/version.h"
19 #include "common/ieee802_11_defs.h"
20 #include "common/ieee802_11_common.h"
21 #include "common/wpa_ctrl.h"
22 #include "crypto/tls.h"
23 #include "ap/hostapd.h"
24 #include "eap_peer/eap.h"
25 #include "eapol_supp/eapol_supp_sm.h"
26 #include "rsn_supp/wpa.h"
27 #include "rsn_supp/preauth.h"
28 #include "rsn_supp/pmksa_cache.h"
29 #include "l2_packet/l2_packet.h"
30 #include "wps/wps.h"
31 #include "config.h"
32 #include "wpa_supplicant_i.h"
33 #include "driver_i.h"
34 #include "wps_supplicant.h"
35 #include "ibss_rsn.h"
36 #include "ap.h"
37 #include "p2p_supplicant.h"
38 #include "p2p/p2p.h"
39 #include "hs20_supplicant.h"
40 #include "wifi_display.h"
41 #include "notify.h"
42 #include "bss.h"
43 #include "scan.h"
44 #include "ctrl_iface.h"
45 #include "interworking.h"
46 #include "blacklist.h"
47 #include "autoscan.h"
48 #include "wnm_sta.h"
49 #include "offchannel.h"
50 #include "drivers/driver.h"
51 #include "mesh.h"
52
53 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
54                                             char *buf, int len);
55 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
56                                                   char *buf, int len);
57 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s,
58                                         char *val);
59
60 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
61 {
62         char *pos;
63         u8 addr[ETH_ALEN], *filter = NULL, *n;
64         size_t count = 0;
65
66         pos = val;
67         while (pos) {
68                 if (*pos == '\0')
69                         break;
70                 if (hwaddr_aton(pos, addr)) {
71                         os_free(filter);
72                         return -1;
73                 }
74                 n = os_realloc_array(filter, count + 1, ETH_ALEN);
75                 if (n == NULL) {
76                         os_free(filter);
77                         return -1;
78                 }
79                 filter = n;
80                 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
81                 count++;
82
83                 pos = os_strchr(pos, ' ');
84                 if (pos)
85                         pos++;
86         }
87
88         wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
89         os_free(wpa_s->bssid_filter);
90         wpa_s->bssid_filter = filter;
91         wpa_s->bssid_filter_count = count;
92
93         return 0;
94 }
95
96
97 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
98 {
99         char *pos;
100         u8 addr[ETH_ALEN], *bssid = NULL, *n;
101         struct wpa_ssid_value *ssid = NULL, *ns;
102         size_t count = 0, ssid_count = 0;
103         struct wpa_ssid *c;
104
105         /*
106          * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | ""
107          * SSID_SPEC ::= ssid <SSID_HEX>
108          * BSSID_SPEC ::= bssid <BSSID_HEX>
109          */
110
111         pos = val;
112         while (pos) {
113                 if (*pos == '\0')
114                         break;
115                 if (os_strncmp(pos, "bssid ", 6) == 0) {
116                         int res;
117                         pos += 6;
118                         res = hwaddr_aton2(pos, addr);
119                         if (res < 0) {
120                                 os_free(ssid);
121                                 os_free(bssid);
122                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
123                                            "BSSID value '%s'", pos);
124                                 return -1;
125                         }
126                         pos += res;
127                         n = os_realloc_array(bssid, count + 1, ETH_ALEN);
128                         if (n == NULL) {
129                                 os_free(ssid);
130                                 os_free(bssid);
131                                 return -1;
132                         }
133                         bssid = n;
134                         os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
135                         count++;
136                 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
137                         char *end;
138                         pos += 5;
139
140                         end = pos;
141                         while (*end) {
142                                 if (*end == '\0' || *end == ' ')
143                                         break;
144                                 end++;
145                         }
146
147                         ns = os_realloc_array(ssid, ssid_count + 1,
148                                               sizeof(struct wpa_ssid_value));
149                         if (ns == NULL) {
150                                 os_free(ssid);
151                                 os_free(bssid);
152                                 return -1;
153                         }
154                         ssid = ns;
155
156                         if ((end - pos) & 0x01 || end - pos > 2 * 32 ||
157                             hexstr2bin(pos, ssid[ssid_count].ssid,
158                                        (end - pos) / 2) < 0) {
159                                 os_free(ssid);
160                                 os_free(bssid);
161                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
162                                            "SSID value '%s'", pos);
163                                 return -1;
164                         }
165                         ssid[ssid_count].ssid_len = (end - pos) / 2;
166                         wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
167                                           ssid[ssid_count].ssid,
168                                           ssid[ssid_count].ssid_len);
169                         ssid_count++;
170                         pos = end;
171                 } else {
172                         wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
173                                    "'%s'", pos);
174                         os_free(ssid);
175                         os_free(bssid);
176                         return -1;
177                 }
178
179                 pos = os_strchr(pos, ' ');
180                 if (pos)
181                         pos++;
182         }
183
184         wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
185         os_free(wpa_s->disallow_aps_bssid);
186         wpa_s->disallow_aps_bssid = bssid;
187         wpa_s->disallow_aps_bssid_count = count;
188
189         wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
190         os_free(wpa_s->disallow_aps_ssid);
191         wpa_s->disallow_aps_ssid = ssid;
192         wpa_s->disallow_aps_ssid_count = ssid_count;
193
194         if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
195                 return 0;
196
197         c = wpa_s->current_ssid;
198         if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
199                 return 0;
200
201         if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
202             !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
203                 return 0;
204
205         wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
206                    "because current AP was marked disallowed");
207
208 #ifdef CONFIG_SME
209         wpa_s->sme.prev_bssid_set = 0;
210 #endif /* CONFIG_SME */
211         wpa_s->reassociate = 1;
212         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
213         wpa_supplicant_req_scan(wpa_s, 0, 0);
214
215         return 0;
216 }
217
218
219 #ifndef CONFIG_NO_CONFIG_BLOBS
220 static int wpas_ctrl_set_blob(struct wpa_supplicant *wpa_s, char *pos)
221 {
222         char *name = pos;
223         struct wpa_config_blob *blob;
224         size_t len;
225
226         pos = os_strchr(pos, ' ');
227         if (pos == NULL)
228                 return -1;
229         *pos++ = '\0';
230         len = os_strlen(pos);
231         if (len & 1)
232                 return -1;
233
234         wpa_printf(MSG_DEBUG, "CTRL: Set blob '%s'", name);
235         blob = os_zalloc(sizeof(*blob));
236         if (blob == NULL)
237                 return -1;
238         blob->name = os_strdup(name);
239         blob->data = os_malloc(len / 2);
240         if (blob->name == NULL || blob->data == NULL) {
241                 wpa_config_free_blob(blob);
242                 return -1;
243         }
244
245         if (hexstr2bin(pos, blob->data, len / 2) < 0) {
246                 wpa_printf(MSG_DEBUG, "CTRL: Invalid blob hex data");
247                 wpa_config_free_blob(blob);
248                 return -1;
249         }
250         blob->len = len / 2;
251
252         wpa_config_set_blob(wpa_s->conf, blob);
253
254         return 0;
255 }
256 #endif /* CONFIG_NO_CONFIG_BLOBS */
257
258
259 static int wpas_ctrl_pno(struct wpa_supplicant *wpa_s, char *cmd)
260 {
261         char *params;
262         char *pos;
263         int *freqs = NULL;
264         int ret;
265
266         if (atoi(cmd)) {
267                 params = os_strchr(cmd, ' ');
268                 os_free(wpa_s->manual_sched_scan_freqs);
269                 if (params) {
270                         params++;
271                         pos = os_strstr(params, "freq=");
272                         if (pos)
273                                 freqs = freq_range_to_channel_list(wpa_s,
274                                                                    pos + 5);
275                 }
276                 wpa_s->manual_sched_scan_freqs = freqs;
277                 ret = wpas_start_pno(wpa_s);
278         } else {
279                 ret = wpas_stop_pno(wpa_s);
280         }
281         return ret;
282 }
283
284
285 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
286                                          char *cmd)
287 {
288         char *value;
289         int ret = 0;
290
291         value = os_strchr(cmd, ' ');
292         if (value == NULL)
293                 return -1;
294         *value++ = '\0';
295
296         wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
297         if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
298                 eapol_sm_configure(wpa_s->eapol,
299                                    atoi(value), -1, -1, -1);
300         } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
301                 eapol_sm_configure(wpa_s->eapol,
302                                    -1, atoi(value), -1, -1);
303         } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
304                 eapol_sm_configure(wpa_s->eapol,
305                                    -1, -1, atoi(value), -1);
306         } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
307                 eapol_sm_configure(wpa_s->eapol,
308                                    -1, -1, -1, atoi(value));
309         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
310                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
311                                      atoi(value)))
312                         ret = -1;
313         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
314                    0) {
315                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
316                                      atoi(value)))
317                         ret = -1;
318         } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
319                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
320                         ret = -1;
321         } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
322                 wpa_s->wps_fragment_size = atoi(value);
323 #ifdef CONFIG_WPS_TESTING
324         } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
325                 long int val;
326                 val = strtol(value, NULL, 0);
327                 if (val < 0 || val > 0xff) {
328                         ret = -1;
329                         wpa_printf(MSG_DEBUG, "WPS: Invalid "
330                                    "wps_version_number %ld", val);
331                 } else {
332                         wps_version_number = val;
333                         wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
334                                    "version %u.%u",
335                                    (wps_version_number & 0xf0) >> 4,
336                                    wps_version_number & 0x0f);
337                 }
338         } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
339                 wps_testing_dummy_cred = atoi(value);
340                 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
341                            wps_testing_dummy_cred);
342         } else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
343                 wps_corrupt_pkhash = atoi(value);
344                 wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
345                            wps_corrupt_pkhash);
346 #endif /* CONFIG_WPS_TESTING */
347         } else if (os_strcasecmp(cmd, "ampdu") == 0) {
348                 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
349                         ret = -1;
350 #ifdef CONFIG_TDLS
351 #ifdef CONFIG_TDLS_TESTING
352         } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
353                 extern unsigned int tdls_testing;
354                 tdls_testing = strtol(value, NULL, 0);
355                 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
356 #endif /* CONFIG_TDLS_TESTING */
357         } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
358                 int disabled = atoi(value);
359                 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
360                 if (disabled) {
361                         if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
362                                 ret = -1;
363                 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
364                         ret = -1;
365                 wpa_tdls_enable(wpa_s->wpa, !disabled);
366 #endif /* CONFIG_TDLS */
367         } else if (os_strcasecmp(cmd, "pno") == 0) {
368                 ret = wpas_ctrl_pno(wpa_s, value);
369         } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
370                 int disabled = atoi(value);
371                 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
372                         ret = -1;
373                 else if (disabled)
374                         wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
375         } else if (os_strcasecmp(cmd, "uapsd") == 0) {
376                 if (os_strcmp(value, "disable") == 0)
377                         wpa_s->set_sta_uapsd = 0;
378                 else {
379                         int be, bk, vi, vo;
380                         char *pos;
381                         /* format: BE,BK,VI,VO;max SP Length */
382                         be = atoi(value);
383                         pos = os_strchr(value, ',');
384                         if (pos == NULL)
385                                 return -1;
386                         pos++;
387                         bk = atoi(pos);
388                         pos = os_strchr(pos, ',');
389                         if (pos == NULL)
390                                 return -1;
391                         pos++;
392                         vi = atoi(pos);
393                         pos = os_strchr(pos, ',');
394                         if (pos == NULL)
395                                 return -1;
396                         pos++;
397                         vo = atoi(pos);
398                         /* ignore max SP Length for now */
399
400                         wpa_s->set_sta_uapsd = 1;
401                         wpa_s->sta_uapsd = 0;
402                         if (be)
403                                 wpa_s->sta_uapsd |= BIT(0);
404                         if (bk)
405                                 wpa_s->sta_uapsd |= BIT(1);
406                         if (vi)
407                                 wpa_s->sta_uapsd |= BIT(2);
408                         if (vo)
409                                 wpa_s->sta_uapsd |= BIT(3);
410                 }
411         } else if (os_strcasecmp(cmd, "ps") == 0) {
412                 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
413 #ifdef CONFIG_WIFI_DISPLAY
414         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
415                 int enabled = !!atoi(value);
416                 if (enabled && !wpa_s->global->p2p)
417                         ret = -1;
418                 else
419                         wifi_display_enable(wpa_s->global, enabled);
420 #endif /* CONFIG_WIFI_DISPLAY */
421         } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
422                 ret = set_bssid_filter(wpa_s, value);
423         } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
424                 ret = set_disallow_aps(wpa_s, value);
425         } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
426                 wpa_s->no_keep_alive = !!atoi(value);
427 #ifdef CONFIG_TESTING_OPTIONS
428         } else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) {
429                 wpa_s->ext_mgmt_frame_handling = !!atoi(value);
430         } else if (os_strcasecmp(cmd, "ext_eapol_frame_io") == 0) {
431                 wpa_s->ext_eapol_frame_io = !!atoi(value);
432 #ifdef CONFIG_AP
433                 if (wpa_s->ap_iface) {
434                         wpa_s->ap_iface->bss[0]->ext_eapol_frame_io =
435                                 wpa_s->ext_eapol_frame_io;
436                 }
437 #endif /* CONFIG_AP */
438         } else if (os_strcasecmp(cmd, "extra_roc_dur") == 0) {
439                 wpa_s->extra_roc_dur = atoi(value);
440         } else if (os_strcasecmp(cmd, "test_failure") == 0) {
441                 wpa_s->test_failure = atoi(value);
442 #endif /* CONFIG_TESTING_OPTIONS */
443 #ifndef CONFIG_NO_CONFIG_BLOBS
444         } else if (os_strcmp(cmd, "blob") == 0) {
445                 ret = wpas_ctrl_set_blob(wpa_s, value);
446 #endif /* CONFIG_NO_CONFIG_BLOBS */
447         } else if (os_strcasecmp(cmd, "setband") == 0) {
448                 if (os_strcmp(value, "AUTO") == 0)
449                         wpa_s->setband = WPA_SETBAND_AUTO;
450                 else if (os_strcmp(value, "5G") == 0)
451                         wpa_s->setband = WPA_SETBAND_5G;
452                 else if (os_strcmp(value, "2G") == 0)
453                         wpa_s->setband = WPA_SETBAND_2G;
454                 else
455                         ret = -1;
456         } else {
457                 value[-1] = '=';
458                 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
459                 if (ret == 0)
460                         wpa_supplicant_update_config(wpa_s);
461         }
462
463         return ret;
464 }
465
466
467 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
468                                          char *cmd, char *buf, size_t buflen)
469 {
470         int res = -1;
471
472         wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
473
474         if (os_strcmp(cmd, "version") == 0) {
475                 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
476         } else if (os_strcasecmp(cmd, "country") == 0) {
477                 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
478                         res = os_snprintf(buf, buflen, "%c%c",
479                                           wpa_s->conf->country[0],
480                                           wpa_s->conf->country[1]);
481 #ifdef CONFIG_WIFI_DISPLAY
482         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
483                 int enabled;
484                 if (wpa_s->global->p2p == NULL ||
485                     wpa_s->global->p2p_disabled)
486                         enabled = 0;
487                 else
488                         enabled = wpa_s->global->wifi_display;
489                 res = os_snprintf(buf, buflen, "%d", enabled);
490 #endif /* CONFIG_WIFI_DISPLAY */
491 #ifdef CONFIG_TESTING_GET_GTK
492         } else if (os_strcmp(cmd, "gtk") == 0) {
493                 if (wpa_s->last_gtk_len == 0)
494                         return -1;
495                 res = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk,
496                                        wpa_s->last_gtk_len);
497                 return res;
498 #endif /* CONFIG_TESTING_GET_GTK */
499         } else if (os_strcmp(cmd, "tls_library") == 0) {
500                 res = tls_get_library_version(buf, buflen);
501         } else {
502                 res = wpa_config_get_value(cmd, wpa_s->conf, buf, buflen);
503         }
504
505         if (os_snprintf_error(buflen, res))
506                 return -1;
507         return res;
508 }
509
510
511 #ifdef IEEE8021X_EAPOL
512 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
513                                              char *addr)
514 {
515         u8 bssid[ETH_ALEN];
516         struct wpa_ssid *ssid = wpa_s->current_ssid;
517
518         if (hwaddr_aton(addr, bssid)) {
519                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
520                            "'%s'", addr);
521                 return -1;
522         }
523
524         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
525         rsn_preauth_deinit(wpa_s->wpa);
526         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
527                 return -1;
528
529         return 0;
530 }
531 #endif /* IEEE8021X_EAPOL */
532
533
534 #ifdef CONFIG_PEERKEY
535 /* MLME-STKSTART.request(peer) */
536 static int wpa_supplicant_ctrl_iface_stkstart(
537         struct wpa_supplicant *wpa_s, char *addr)
538 {
539         u8 peer[ETH_ALEN];
540
541         if (hwaddr_aton(addr, peer)) {
542                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
543                            "address '%s'", addr);
544                 return -1;
545         }
546
547         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
548                    MAC2STR(peer));
549
550         return wpa_sm_stkstart(wpa_s->wpa, peer);
551 }
552 #endif /* CONFIG_PEERKEY */
553
554
555 #ifdef CONFIG_TDLS
556
557 static int wpa_supplicant_ctrl_iface_tdls_discover(
558         struct wpa_supplicant *wpa_s, char *addr)
559 {
560         u8 peer[ETH_ALEN];
561         int ret;
562
563         if (hwaddr_aton(addr, peer)) {
564                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
565                            "address '%s'", addr);
566                 return -1;
567         }
568
569         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
570                    MAC2STR(peer));
571
572         if (wpa_tdls_is_external_setup(wpa_s->wpa))
573                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
574         else
575                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
576
577         return ret;
578 }
579
580
581 static int wpa_supplicant_ctrl_iface_tdls_setup(
582         struct wpa_supplicant *wpa_s, char *addr)
583 {
584         u8 peer[ETH_ALEN];
585         int ret;
586
587         if (hwaddr_aton(addr, peer)) {
588                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
589                            "address '%s'", addr);
590                 return -1;
591         }
592
593         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
594                    MAC2STR(peer));
595
596         if ((wpa_s->conf->tdls_external_control) &&
597             wpa_tdls_is_external_setup(wpa_s->wpa))
598                 return wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
599
600         wpa_tdls_remove(wpa_s->wpa, peer);
601
602         if (wpa_tdls_is_external_setup(wpa_s->wpa))
603                 ret = wpa_tdls_start(wpa_s->wpa, peer);
604         else
605                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
606
607         return ret;
608 }
609
610
611 static int wpa_supplicant_ctrl_iface_tdls_teardown(
612         struct wpa_supplicant *wpa_s, char *addr)
613 {
614         u8 peer[ETH_ALEN];
615         int ret;
616
617         if (os_strcmp(addr, "*") == 0) {
618                 /* remove everyone */
619                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN *");
620                 wpa_tdls_teardown_peers(wpa_s->wpa);
621                 return 0;
622         }
623
624         if (hwaddr_aton(addr, peer)) {
625                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
626                            "address '%s'", addr);
627                 return -1;
628         }
629
630         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
631                    MAC2STR(peer));
632
633         if ((wpa_s->conf->tdls_external_control) &&
634             wpa_tdls_is_external_setup(wpa_s->wpa))
635                 return wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
636
637         if (wpa_tdls_is_external_setup(wpa_s->wpa))
638                 ret = wpa_tdls_teardown_link(
639                         wpa_s->wpa, peer,
640                         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
641         else
642                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
643
644         return ret;
645 }
646
647
648 static int ctrl_iface_get_capability_tdls(
649         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
650 {
651         int ret;
652
653         ret = os_snprintf(buf, buflen, "%s\n",
654                           wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT ?
655                           (wpa_s->drv_flags &
656                            WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP ?
657                            "EXTERNAL" : "INTERNAL") : "UNSUPPORTED");
658         if (os_snprintf_error(buflen, ret))
659                 return -1;
660         return ret;
661 }
662
663
664 static int wpa_supplicant_ctrl_iface_tdls_chan_switch(
665         struct wpa_supplicant *wpa_s, char *cmd)
666 {
667         u8 peer[ETH_ALEN];
668         struct hostapd_freq_params freq_params;
669         u8 oper_class;
670         char *pos, *end;
671
672         if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
673                 wpa_printf(MSG_INFO,
674                            "tdls_chanswitch: Only supported with external setup");
675                 return -1;
676         }
677
678         os_memset(&freq_params, 0, sizeof(freq_params));
679
680         pos = os_strchr(cmd, ' ');
681         if (pos == NULL)
682                 return -1;
683         *pos++ = '\0';
684
685         oper_class = strtol(pos, &end, 10);
686         if (pos == end) {
687                 wpa_printf(MSG_INFO,
688                            "tdls_chanswitch: Invalid op class provided");
689                 return -1;
690         }
691
692         pos = end;
693         freq_params.freq = atoi(pos);
694         if (freq_params.freq == 0) {
695                 wpa_printf(MSG_INFO, "tdls_chanswitch: Invalid freq provided");
696                 return -1;
697         }
698
699 #define SET_FREQ_SETTING(str) \
700         do { \
701                 const char *pos2 = os_strstr(pos, " " #str "="); \
702                 if (pos2) { \
703                         pos2 += sizeof(" " #str "=") - 1; \
704                         freq_params.str = atoi(pos2); \
705                 } \
706         } while (0)
707
708         SET_FREQ_SETTING(center_freq1);
709         SET_FREQ_SETTING(center_freq2);
710         SET_FREQ_SETTING(bandwidth);
711         SET_FREQ_SETTING(sec_channel_offset);
712 #undef SET_FREQ_SETTING
713
714         freq_params.ht_enabled = !!os_strstr(pos, " ht");
715         freq_params.vht_enabled = !!os_strstr(pos, " vht");
716
717         if (hwaddr_aton(cmd, peer)) {
718                 wpa_printf(MSG_DEBUG,
719                            "CTRL_IFACE TDLS_CHAN_SWITCH: Invalid address '%s'",
720                            cmd);
721                 return -1;
722         }
723
724         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CHAN_SWITCH " MACSTR
725                    " OP CLASS %d FREQ %d CENTER1 %d CENTER2 %d BW %d SEC_OFFSET %d%s%s",
726                    MAC2STR(peer), oper_class, freq_params.freq,
727                    freq_params.center_freq1, freq_params.center_freq2,
728                    freq_params.bandwidth, freq_params.sec_channel_offset,
729                    freq_params.ht_enabled ? " HT" : "",
730                    freq_params.vht_enabled ? " VHT" : "");
731
732         return wpa_tdls_enable_chan_switch(wpa_s->wpa, peer, oper_class,
733                                            &freq_params);
734 }
735
736
737 static int wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(
738         struct wpa_supplicant *wpa_s, char *cmd)
739 {
740         u8 peer[ETH_ALEN];
741
742         if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
743                 wpa_printf(MSG_INFO,
744                            "tdls_chanswitch: Only supported with external setup");
745                 return -1;
746         }
747
748         if (hwaddr_aton(cmd, peer)) {
749                 wpa_printf(MSG_DEBUG,
750                            "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH: Invalid address '%s'",
751                            cmd);
752                 return -1;
753         }
754
755         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH " MACSTR,
756                    MAC2STR(peer));
757
758         return wpa_tdls_disable_chan_switch(wpa_s->wpa, peer);
759 }
760
761 #endif /* CONFIG_TDLS */
762
763
764 static int wmm_ac_ctrl_addts(struct wpa_supplicant *wpa_s, char *cmd)
765 {
766         char *token, *context = NULL;
767         struct wmm_ac_ts_setup_params params = {
768                 .tsid = 0xff,
769                 .direction = 0xff,
770         };
771
772         while ((token = str_token(cmd, " ", &context))) {
773                 if (sscanf(token, "tsid=%i", &params.tsid) == 1 ||
774                     sscanf(token, "up=%i", &params.user_priority) == 1 ||
775                     sscanf(token, "nominal_msdu_size=%i",
776                            &params.nominal_msdu_size) == 1 ||
777                     sscanf(token, "mean_data_rate=%i",
778                            &params.mean_data_rate) == 1 ||
779                     sscanf(token, "min_phy_rate=%i",
780                            &params.minimum_phy_rate) == 1 ||
781                     sscanf(token, "sba=%i",
782                            &params.surplus_bandwidth_allowance) == 1)
783                         continue;
784
785                 if (os_strcasecmp(token, "downlink") == 0) {
786                         params.direction = WMM_TSPEC_DIRECTION_DOWNLINK;
787                 } else if (os_strcasecmp(token, "uplink") == 0) {
788                         params.direction = WMM_TSPEC_DIRECTION_UPLINK;
789                 } else if (os_strcasecmp(token, "bidi") == 0) {
790                         params.direction = WMM_TSPEC_DIRECTION_BI_DIRECTIONAL;
791                 } else if (os_strcasecmp(token, "fixed_nominal_msdu") == 0) {
792                         params.fixed_nominal_msdu = 1;
793                 } else {
794                         wpa_printf(MSG_DEBUG,
795                                    "CTRL: Invalid WMM_AC_ADDTS parameter: '%s'",
796                                    token);
797                         return -1;
798                 }
799
800         }
801
802         return wpas_wmm_ac_addts(wpa_s, &params);
803 }
804
805
806 static int wmm_ac_ctrl_delts(struct wpa_supplicant *wpa_s, char *cmd)
807 {
808         u8 tsid = atoi(cmd);
809
810         return wpas_wmm_ac_delts(wpa_s, tsid);
811 }
812
813
814 #ifdef CONFIG_IEEE80211R
815 static int wpa_supplicant_ctrl_iface_ft_ds(
816         struct wpa_supplicant *wpa_s, char *addr)
817 {
818         u8 target_ap[ETH_ALEN];
819         struct wpa_bss *bss;
820         const u8 *mdie;
821
822         if (hwaddr_aton(addr, target_ap)) {
823                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
824                            "address '%s'", addr);
825                 return -1;
826         }
827
828         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
829
830         bss = wpa_bss_get_bssid(wpa_s, target_ap);
831         if (bss)
832                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
833         else
834                 mdie = NULL;
835
836         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
837 }
838 #endif /* CONFIG_IEEE80211R */
839
840
841 #ifdef CONFIG_WPS
842 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
843                                              char *cmd)
844 {
845         u8 bssid[ETH_ALEN], *_bssid = bssid;
846 #ifdef CONFIG_P2P
847         u8 p2p_dev_addr[ETH_ALEN];
848 #endif /* CONFIG_P2P */
849 #ifdef CONFIG_AP
850         u8 *_p2p_dev_addr = NULL;
851 #endif /* CONFIG_AP */
852
853         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
854                 _bssid = NULL;
855 #ifdef CONFIG_P2P
856         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
857                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
858                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
859                                    "P2P Device Address '%s'",
860                                    cmd + 13);
861                         return -1;
862                 }
863                 _p2p_dev_addr = p2p_dev_addr;
864 #endif /* CONFIG_P2P */
865         } else if (hwaddr_aton(cmd, bssid)) {
866                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
867                            cmd);
868                 return -1;
869         }
870
871 #ifdef CONFIG_AP
872         if (wpa_s->ap_iface)
873                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
874 #endif /* CONFIG_AP */
875
876         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
877 }
878
879
880 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
881                                              char *cmd, char *buf,
882                                              size_t buflen)
883 {
884         u8 bssid[ETH_ALEN], *_bssid = bssid;
885         char *pin;
886         int ret;
887
888         pin = os_strchr(cmd, ' ');
889         if (pin)
890                 *pin++ = '\0';
891
892         if (os_strcmp(cmd, "any") == 0)
893                 _bssid = NULL;
894         else if (os_strcmp(cmd, "get") == 0) {
895                 ret = wps_generate_pin();
896                 goto done;
897         } else if (hwaddr_aton(cmd, bssid)) {
898                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
899                            cmd);
900                 return -1;
901         }
902
903 #ifdef CONFIG_AP
904         if (wpa_s->ap_iface) {
905                 int timeout = 0;
906                 char *pos;
907
908                 if (pin) {
909                         pos = os_strchr(pin, ' ');
910                         if (pos) {
911                                 *pos++ = '\0';
912                                 timeout = atoi(pos);
913                         }
914                 }
915
916                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
917                                                  buf, buflen, timeout);
918         }
919 #endif /* CONFIG_AP */
920
921         if (pin) {
922                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
923                                          DEV_PW_DEFAULT);
924                 if (ret < 0)
925                         return -1;
926                 ret = os_snprintf(buf, buflen, "%s", pin);
927                 if (os_snprintf_error(buflen, ret))
928                         return -1;
929                 return ret;
930         }
931
932         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
933         if (ret < 0)
934                 return -1;
935
936 done:
937         /* Return the generated PIN */
938         ret = os_snprintf(buf, buflen, "%08d", ret);
939         if (os_snprintf_error(buflen, ret))
940                 return -1;
941         return ret;
942 }
943
944
945 static int wpa_supplicant_ctrl_iface_wps_check_pin(
946         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
947 {
948         char pin[9];
949         size_t len;
950         char *pos;
951         int ret;
952
953         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
954                               (u8 *) cmd, os_strlen(cmd));
955         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
956                 if (*pos < '0' || *pos > '9')
957                         continue;
958                 pin[len++] = *pos;
959                 if (len == 9) {
960                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
961                         return -1;
962                 }
963         }
964         if (len != 4 && len != 8) {
965                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
966                 return -1;
967         }
968         pin[len] = '\0';
969
970         if (len == 8) {
971                 unsigned int pin_val;
972                 pin_val = atoi(pin);
973                 if (!wps_pin_valid(pin_val)) {
974                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
975                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
976                         if (os_snprintf_error(buflen, ret))
977                                 return -1;
978                         return ret;
979                 }
980         }
981
982         ret = os_snprintf(buf, buflen, "%s", pin);
983         if (os_snprintf_error(buflen, ret))
984                 return -1;
985
986         return ret;
987 }
988
989
990 #ifdef CONFIG_WPS_NFC
991
992 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
993                                              char *cmd)
994 {
995         u8 bssid[ETH_ALEN], *_bssid = bssid;
996
997         if (cmd == NULL || cmd[0] == '\0')
998                 _bssid = NULL;
999         else if (hwaddr_aton(cmd, bssid))
1000                 return -1;
1001
1002         return wpas_wps_start_nfc(wpa_s, NULL, _bssid, NULL, 0, 0, NULL, NULL,
1003                                   0, 0);
1004 }
1005
1006
1007 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
1008         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1009 {
1010         int ndef;
1011         struct wpabuf *buf;
1012         int res;
1013         char *pos;
1014
1015         pos = os_strchr(cmd, ' ');
1016         if (pos)
1017                 *pos++ = '\0';
1018         if (os_strcmp(cmd, "WPS") == 0)
1019                 ndef = 0;
1020         else if (os_strcmp(cmd, "NDEF") == 0)
1021                 ndef = 1;
1022         else
1023                 return -1;
1024
1025         buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
1026         if (buf == NULL)
1027                 return -1;
1028
1029         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1030                                          wpabuf_len(buf));
1031         reply[res++] = '\n';
1032         reply[res] = '\0';
1033
1034         wpabuf_free(buf);
1035
1036         return res;
1037 }
1038
1039
1040 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
1041         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1042 {
1043         int ndef;
1044         struct wpabuf *buf;
1045         int res;
1046
1047         if (os_strcmp(cmd, "WPS") == 0)
1048                 ndef = 0;
1049         else if (os_strcmp(cmd, "NDEF") == 0)
1050                 ndef = 1;
1051         else
1052                 return -1;
1053
1054         buf = wpas_wps_nfc_token(wpa_s, ndef);
1055         if (buf == NULL)
1056                 return -1;
1057
1058         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1059                                          wpabuf_len(buf));
1060         reply[res++] = '\n';
1061         reply[res] = '\0';
1062
1063         wpabuf_free(buf);
1064
1065         return res;
1066 }
1067
1068
1069 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
1070         struct wpa_supplicant *wpa_s, char *pos)
1071 {
1072         size_t len;
1073         struct wpabuf *buf;
1074         int ret;
1075         char *freq;
1076         int forced_freq = 0;
1077
1078         freq = strstr(pos, " freq=");
1079         if (freq) {
1080                 *freq = '\0';
1081                 freq += 6;
1082                 forced_freq = atoi(freq);
1083         }
1084
1085         len = os_strlen(pos);
1086         if (len & 0x01)
1087                 return -1;
1088         len /= 2;
1089
1090         buf = wpabuf_alloc(len);
1091         if (buf == NULL)
1092                 return -1;
1093         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
1094                 wpabuf_free(buf);
1095                 return -1;
1096         }
1097
1098         ret = wpas_wps_nfc_tag_read(wpa_s, buf, forced_freq);
1099         wpabuf_free(buf);
1100
1101         return ret;
1102 }
1103
1104
1105 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
1106                                               char *reply, size_t max_len,
1107                                               int ndef)
1108 {
1109         struct wpabuf *buf;
1110         int res;
1111
1112         buf = wpas_wps_nfc_handover_req(wpa_s, ndef);
1113         if (buf == NULL)
1114                 return -1;
1115
1116         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1117                                          wpabuf_len(buf));
1118         reply[res++] = '\n';
1119         reply[res] = '\0';
1120
1121         wpabuf_free(buf);
1122
1123         return res;
1124 }
1125
1126
1127 #ifdef CONFIG_P2P
1128 static int wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant *wpa_s,
1129                                               char *reply, size_t max_len,
1130                                               int ndef)
1131 {
1132         struct wpabuf *buf;
1133         int res;
1134
1135         buf = wpas_p2p_nfc_handover_req(wpa_s, ndef);
1136         if (buf == NULL) {
1137                 wpa_printf(MSG_DEBUG, "P2P: Could not generate NFC handover request");
1138                 return -1;
1139         }
1140
1141         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1142                                          wpabuf_len(buf));
1143         reply[res++] = '\n';
1144         reply[res] = '\0';
1145
1146         wpabuf_free(buf);
1147
1148         return res;
1149 }
1150 #endif /* CONFIG_P2P */
1151
1152
1153 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
1154                                           char *cmd, char *reply,
1155                                           size_t max_len)
1156 {
1157         char *pos;
1158         int ndef;
1159
1160         pos = os_strchr(cmd, ' ');
1161         if (pos == NULL)
1162                 return -1;
1163         *pos++ = '\0';
1164
1165         if (os_strcmp(cmd, "WPS") == 0)
1166                 ndef = 0;
1167         else if (os_strcmp(cmd, "NDEF") == 0)
1168                 ndef = 1;
1169         else
1170                 return -1;
1171
1172         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1173                 if (!ndef)
1174                         return -1;
1175                 return wpas_ctrl_nfc_get_handover_req_wps(
1176                         wpa_s, reply, max_len, ndef);
1177         }
1178
1179 #ifdef CONFIG_P2P
1180         if (os_strcmp(pos, "P2P-CR") == 0) {
1181                 return wpas_ctrl_nfc_get_handover_req_p2p(
1182                         wpa_s, reply, max_len, ndef);
1183         }
1184 #endif /* CONFIG_P2P */
1185
1186         return -1;
1187 }
1188
1189
1190 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
1191                                               char *reply, size_t max_len,
1192                                               int ndef, int cr, char *uuid)
1193 {
1194         struct wpabuf *buf;
1195         int res;
1196
1197         buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
1198         if (buf == NULL)
1199                 return -1;
1200
1201         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1202                                          wpabuf_len(buf));
1203         reply[res++] = '\n';
1204         reply[res] = '\0';
1205
1206         wpabuf_free(buf);
1207
1208         return res;
1209 }
1210
1211
1212 #ifdef CONFIG_P2P
1213 static int wpas_ctrl_nfc_get_handover_sel_p2p(struct wpa_supplicant *wpa_s,
1214                                               char *reply, size_t max_len,
1215                                               int ndef, int tag)
1216 {
1217         struct wpabuf *buf;
1218         int res;
1219
1220         buf = wpas_p2p_nfc_handover_sel(wpa_s, ndef, tag);
1221         if (buf == NULL)
1222                 return -1;
1223
1224         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1225                                          wpabuf_len(buf));
1226         reply[res++] = '\n';
1227         reply[res] = '\0';
1228
1229         wpabuf_free(buf);
1230
1231         return res;
1232 }
1233 #endif /* CONFIG_P2P */
1234
1235
1236 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
1237                                           char *cmd, char *reply,
1238                                           size_t max_len)
1239 {
1240         char *pos, *pos2;
1241         int ndef;
1242
1243         pos = os_strchr(cmd, ' ');
1244         if (pos == NULL)
1245                 return -1;
1246         *pos++ = '\0';
1247
1248         if (os_strcmp(cmd, "WPS") == 0)
1249                 ndef = 0;
1250         else if (os_strcmp(cmd, "NDEF") == 0)
1251                 ndef = 1;
1252         else
1253                 return -1;
1254
1255         pos2 = os_strchr(pos, ' ');
1256         if (pos2)
1257                 *pos2++ = '\0';
1258         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1259                 if (!ndef)
1260                         return -1;
1261                 return wpas_ctrl_nfc_get_handover_sel_wps(
1262                         wpa_s, reply, max_len, ndef,
1263                         os_strcmp(pos, "WPS-CR") == 0, pos2);
1264         }
1265
1266 #ifdef CONFIG_P2P
1267         if (os_strcmp(pos, "P2P-CR") == 0) {
1268                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1269                         wpa_s, reply, max_len, ndef, 0);
1270         }
1271
1272         if (os_strcmp(pos, "P2P-CR-TAG") == 0) {
1273                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1274                         wpa_s, reply, max_len, ndef, 1);
1275         }
1276 #endif /* CONFIG_P2P */
1277
1278         return -1;
1279 }
1280
1281
1282 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1283                                          char *cmd)
1284 {
1285         size_t len;
1286         struct wpabuf *req, *sel;
1287         int ret;
1288         char *pos, *role, *type, *pos2;
1289 #ifdef CONFIG_P2P
1290         char *freq;
1291         int forced_freq = 0;
1292
1293         freq = strstr(cmd, " freq=");
1294         if (freq) {
1295                 *freq = '\0';
1296                 freq += 6;
1297                 forced_freq = atoi(freq);
1298         }
1299 #endif /* CONFIG_P2P */
1300
1301         role = cmd;
1302         pos = os_strchr(role, ' ');
1303         if (pos == NULL) {
1304                 wpa_printf(MSG_DEBUG, "NFC: Missing type in handover report");
1305                 return -1;
1306         }
1307         *pos++ = '\0';
1308
1309         type = pos;
1310         pos = os_strchr(type, ' ');
1311         if (pos == NULL) {
1312                 wpa_printf(MSG_DEBUG, "NFC: Missing request message in handover report");
1313                 return -1;
1314         }
1315         *pos++ = '\0';
1316
1317         pos2 = os_strchr(pos, ' ');
1318         if (pos2 == NULL) {
1319                 wpa_printf(MSG_DEBUG, "NFC: Missing select message in handover report");
1320                 return -1;
1321         }
1322         *pos2++ = '\0';
1323
1324         len = os_strlen(pos);
1325         if (len & 0x01) {
1326                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message length in handover report");
1327                 return -1;
1328         }
1329         len /= 2;
1330
1331         req = wpabuf_alloc(len);
1332         if (req == NULL) {
1333                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for request message");
1334                 return -1;
1335         }
1336         if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1337                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message hexdump in handover report");
1338                 wpabuf_free(req);
1339                 return -1;
1340         }
1341
1342         len = os_strlen(pos2);
1343         if (len & 0x01) {
1344                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message length in handover report");
1345                 wpabuf_free(req);
1346                 return -1;
1347         }
1348         len /= 2;
1349
1350         sel = wpabuf_alloc(len);
1351         if (sel == NULL) {
1352                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for select message");
1353                 wpabuf_free(req);
1354                 return -1;
1355         }
1356         if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1357                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message hexdump in handover report");
1358                 wpabuf_free(req);
1359                 wpabuf_free(sel);
1360                 return -1;
1361         }
1362
1363         wpa_printf(MSG_DEBUG, "NFC: Connection handover reported - role=%s type=%s req_len=%d sel_len=%d",
1364                    role, type, (int) wpabuf_len(req), (int) wpabuf_len(sel));
1365
1366         if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1367                 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1368 #ifdef CONFIG_AP
1369         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0)
1370         {
1371                 ret = wpas_ap_wps_nfc_report_handover(wpa_s, req, sel);
1372                 if (ret < 0)
1373                         ret = wpas_er_wps_nfc_report_handover(wpa_s, req, sel);
1374 #endif /* CONFIG_AP */
1375 #ifdef CONFIG_P2P
1376         } else if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "P2P") == 0)
1377         {
1378                 ret = wpas_p2p_nfc_report_handover(wpa_s, 1, req, sel, 0);
1379         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "P2P") == 0)
1380         {
1381                 ret = wpas_p2p_nfc_report_handover(wpa_s, 0, req, sel,
1382                                                    forced_freq);
1383 #endif /* CONFIG_P2P */
1384         } else {
1385                 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1386                            "reported: role=%s type=%s", role, type);
1387                 ret = -1;
1388         }
1389         wpabuf_free(req);
1390         wpabuf_free(sel);
1391
1392         if (ret)
1393                 wpa_printf(MSG_DEBUG, "NFC: Failed to process reported handover messages");
1394
1395         return ret;
1396 }
1397
1398 #endif /* CONFIG_WPS_NFC */
1399
1400
1401 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1402                                              char *cmd)
1403 {
1404         u8 bssid[ETH_ALEN];
1405         char *pin;
1406         char *new_ssid;
1407         char *new_auth;
1408         char *new_encr;
1409         char *new_key;
1410         struct wps_new_ap_settings ap;
1411
1412         pin = os_strchr(cmd, ' ');
1413         if (pin == NULL)
1414                 return -1;
1415         *pin++ = '\0';
1416
1417         if (hwaddr_aton(cmd, bssid)) {
1418                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1419                            cmd);
1420                 return -1;
1421         }
1422
1423         new_ssid = os_strchr(pin, ' ');
1424         if (new_ssid == NULL)
1425                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1426         *new_ssid++ = '\0';
1427
1428         new_auth = os_strchr(new_ssid, ' ');
1429         if (new_auth == NULL)
1430                 return -1;
1431         *new_auth++ = '\0';
1432
1433         new_encr = os_strchr(new_auth, ' ');
1434         if (new_encr == NULL)
1435                 return -1;
1436         *new_encr++ = '\0';
1437
1438         new_key = os_strchr(new_encr, ' ');
1439         if (new_key == NULL)
1440                 return -1;
1441         *new_key++ = '\0';
1442
1443         os_memset(&ap, 0, sizeof(ap));
1444         ap.ssid_hex = new_ssid;
1445         ap.auth = new_auth;
1446         ap.encr = new_encr;
1447         ap.key_hex = new_key;
1448         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1449 }
1450
1451
1452 #ifdef CONFIG_AP
1453 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1454                                                 char *cmd, char *buf,
1455                                                 size_t buflen)
1456 {
1457         int timeout = 300;
1458         char *pos;
1459         const char *pin_txt;
1460
1461         if (!wpa_s->ap_iface)
1462                 return -1;
1463
1464         pos = os_strchr(cmd, ' ');
1465         if (pos)
1466                 *pos++ = '\0';
1467
1468         if (os_strcmp(cmd, "disable") == 0) {
1469                 wpas_wps_ap_pin_disable(wpa_s);
1470                 return os_snprintf(buf, buflen, "OK\n");
1471         }
1472
1473         if (os_strcmp(cmd, "random") == 0) {
1474                 if (pos)
1475                         timeout = atoi(pos);
1476                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1477                 if (pin_txt == NULL)
1478                         return -1;
1479                 return os_snprintf(buf, buflen, "%s", pin_txt);
1480         }
1481
1482         if (os_strcmp(cmd, "get") == 0) {
1483                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1484                 if (pin_txt == NULL)
1485                         return -1;
1486                 return os_snprintf(buf, buflen, "%s", pin_txt);
1487         }
1488
1489         if (os_strcmp(cmd, "set") == 0) {
1490                 char *pin;
1491                 if (pos == NULL)
1492                         return -1;
1493                 pin = pos;
1494                 pos = os_strchr(pos, ' ');
1495                 if (pos) {
1496                         *pos++ = '\0';
1497                         timeout = atoi(pos);
1498                 }
1499                 if (os_strlen(pin) > buflen)
1500                         return -1;
1501                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1502                         return -1;
1503                 return os_snprintf(buf, buflen, "%s", pin);
1504         }
1505
1506         return -1;
1507 }
1508 #endif /* CONFIG_AP */
1509
1510
1511 #ifdef CONFIG_WPS_ER
1512 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1513                                                 char *cmd)
1514 {
1515         char *uuid = cmd, *pin, *pos;
1516         u8 addr_buf[ETH_ALEN], *addr = NULL;
1517         pin = os_strchr(uuid, ' ');
1518         if (pin == NULL)
1519                 return -1;
1520         *pin++ = '\0';
1521         pos = os_strchr(pin, ' ');
1522         if (pos) {
1523                 *pos++ = '\0';
1524                 if (hwaddr_aton(pos, addr_buf) == 0)
1525                         addr = addr_buf;
1526         }
1527         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1528 }
1529
1530
1531 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1532                                                   char *cmd)
1533 {
1534         char *uuid = cmd, *pin;
1535         pin = os_strchr(uuid, ' ');
1536         if (pin == NULL)
1537                 return -1;
1538         *pin++ = '\0';
1539         return wpas_wps_er_learn(wpa_s, uuid, pin);
1540 }
1541
1542
1543 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1544         struct wpa_supplicant *wpa_s, char *cmd)
1545 {
1546         char *uuid = cmd, *id;
1547         id = os_strchr(uuid, ' ');
1548         if (id == NULL)
1549                 return -1;
1550         *id++ = '\0';
1551         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1552 }
1553
1554
1555 static int wpa_supplicant_ctrl_iface_wps_er_config(
1556         struct wpa_supplicant *wpa_s, char *cmd)
1557 {
1558         char *pin;
1559         char *new_ssid;
1560         char *new_auth;
1561         char *new_encr;
1562         char *new_key;
1563         struct wps_new_ap_settings ap;
1564
1565         pin = os_strchr(cmd, ' ');
1566         if (pin == NULL)
1567                 return -1;
1568         *pin++ = '\0';
1569
1570         new_ssid = os_strchr(pin, ' ');
1571         if (new_ssid == NULL)
1572                 return -1;
1573         *new_ssid++ = '\0';
1574
1575         new_auth = os_strchr(new_ssid, ' ');
1576         if (new_auth == NULL)
1577                 return -1;
1578         *new_auth++ = '\0';
1579
1580         new_encr = os_strchr(new_auth, ' ');
1581         if (new_encr == NULL)
1582                 return -1;
1583         *new_encr++ = '\0';
1584
1585         new_key = os_strchr(new_encr, ' ');
1586         if (new_key == NULL)
1587                 return -1;
1588         *new_key++ = '\0';
1589
1590         os_memset(&ap, 0, sizeof(ap));
1591         ap.ssid_hex = new_ssid;
1592         ap.auth = new_auth;
1593         ap.encr = new_encr;
1594         ap.key_hex = new_key;
1595         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1596 }
1597
1598
1599 #ifdef CONFIG_WPS_NFC
1600 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1601         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1602 {
1603         int ndef;
1604         struct wpabuf *buf;
1605         int res;
1606         char *uuid;
1607
1608         uuid = os_strchr(cmd, ' ');
1609         if (uuid == NULL)
1610                 return -1;
1611         *uuid++ = '\0';
1612
1613         if (os_strcmp(cmd, "WPS") == 0)
1614                 ndef = 0;
1615         else if (os_strcmp(cmd, "NDEF") == 0)
1616                 ndef = 1;
1617         else
1618                 return -1;
1619
1620         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1621         if (buf == NULL)
1622                 return -1;
1623
1624         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1625                                          wpabuf_len(buf));
1626         reply[res++] = '\n';
1627         reply[res] = '\0';
1628
1629         wpabuf_free(buf);
1630
1631         return res;
1632 }
1633 #endif /* CONFIG_WPS_NFC */
1634 #endif /* CONFIG_WPS_ER */
1635
1636 #endif /* CONFIG_WPS */
1637
1638
1639 #ifdef CONFIG_IBSS_RSN
1640 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1641         struct wpa_supplicant *wpa_s, char *addr)
1642 {
1643         u8 peer[ETH_ALEN];
1644
1645         if (hwaddr_aton(addr, peer)) {
1646                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1647                            "address '%s'", addr);
1648                 return -1;
1649         }
1650
1651         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1652                    MAC2STR(peer));
1653
1654         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1655 }
1656 #endif /* CONFIG_IBSS_RSN */
1657
1658
1659 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1660                                               char *rsp)
1661 {
1662 #ifdef IEEE8021X_EAPOL
1663         char *pos, *id_pos;
1664         int id;
1665         struct wpa_ssid *ssid;
1666
1667         pos = os_strchr(rsp, '-');
1668         if (pos == NULL)
1669                 return -1;
1670         *pos++ = '\0';
1671         id_pos = pos;
1672         pos = os_strchr(pos, ':');
1673         if (pos == NULL)
1674                 return -1;
1675         *pos++ = '\0';
1676         id = atoi(id_pos);
1677         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1678         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1679                               (u8 *) pos, os_strlen(pos));
1680
1681         ssid = wpa_config_get_network(wpa_s->conf, id);
1682         if (ssid == NULL) {
1683                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1684                            "to update", id);
1685                 return -1;
1686         }
1687
1688         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1689                                                          pos);
1690 #else /* IEEE8021X_EAPOL */
1691         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1692         return -1;
1693 #endif /* IEEE8021X_EAPOL */
1694 }
1695
1696
1697 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1698                                             const char *params,
1699                                             char *buf, size_t buflen)
1700 {
1701         char *pos, *end, tmp[30];
1702         int res, verbose, wps, ret;
1703 #ifdef CONFIG_HS20
1704         const u8 *hs20;
1705 #endif /* CONFIG_HS20 */
1706         const u8 *sess_id;
1707         size_t sess_id_len;
1708
1709         if (os_strcmp(params, "-DRIVER") == 0)
1710                 return wpa_drv_status(wpa_s, buf, buflen);
1711         verbose = os_strcmp(params, "-VERBOSE") == 0;
1712         wps = os_strcmp(params, "-WPS") == 0;
1713         pos = buf;
1714         end = buf + buflen;
1715         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1716                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1717                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1718                                   MAC2STR(wpa_s->bssid));
1719                 if (os_snprintf_error(end - pos, ret))
1720                         return pos - buf;
1721                 pos += ret;
1722                 ret = os_snprintf(pos, end - pos, "freq=%u\n",
1723                                   wpa_s->assoc_freq);
1724                 if (os_snprintf_error(end - pos, ret))
1725                         return pos - buf;
1726                 pos += ret;
1727                 if (ssid) {
1728                         u8 *_ssid = ssid->ssid;
1729                         size_t ssid_len = ssid->ssid_len;
1730                         u8 ssid_buf[MAX_SSID_LEN];
1731                         if (ssid_len == 0) {
1732                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1733                                 if (_res < 0)
1734                                         ssid_len = 0;
1735                                 else
1736                                         ssid_len = _res;
1737                                 _ssid = ssid_buf;
1738                         }
1739                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1740                                           wpa_ssid_txt(_ssid, ssid_len),
1741                                           ssid->id);
1742                         if (os_snprintf_error(end - pos, ret))
1743                                 return pos - buf;
1744                         pos += ret;
1745
1746                         if (wps && ssid->passphrase &&
1747                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1748                             (ssid->mode == WPAS_MODE_AP ||
1749                              ssid->mode == WPAS_MODE_P2P_GO)) {
1750                                 ret = os_snprintf(pos, end - pos,
1751                                                   "passphrase=%s\n",
1752                                                   ssid->passphrase);
1753                                 if (os_snprintf_error(end - pos, ret))
1754                                         return pos - buf;
1755                                 pos += ret;
1756                         }
1757                         if (ssid->id_str) {
1758                                 ret = os_snprintf(pos, end - pos,
1759                                                   "id_str=%s\n",
1760                                                   ssid->id_str);
1761                                 if (os_snprintf_error(end - pos, ret))
1762                                         return pos - buf;
1763                                 pos += ret;
1764                         }
1765
1766                         switch (ssid->mode) {
1767                         case WPAS_MODE_INFRA:
1768                                 ret = os_snprintf(pos, end - pos,
1769                                                   "mode=station\n");
1770                                 break;
1771                         case WPAS_MODE_IBSS:
1772                                 ret = os_snprintf(pos, end - pos,
1773                                                   "mode=IBSS\n");
1774                                 break;
1775                         case WPAS_MODE_AP:
1776                                 ret = os_snprintf(pos, end - pos,
1777                                                   "mode=AP\n");
1778                                 break;
1779                         case WPAS_MODE_P2P_GO:
1780                                 ret = os_snprintf(pos, end - pos,
1781                                                   "mode=P2P GO\n");
1782                                 break;
1783                         case WPAS_MODE_P2P_GROUP_FORMATION:
1784                                 ret = os_snprintf(pos, end - pos,
1785                                                   "mode=P2P GO - group "
1786                                                   "formation\n");
1787                                 break;
1788                         default:
1789                                 ret = 0;
1790                                 break;
1791                         }
1792                         if (os_snprintf_error(end - pos, ret))
1793                                 return pos - buf;
1794                         pos += ret;
1795                 }
1796
1797 #ifdef CONFIG_AP
1798                 if (wpa_s->ap_iface) {
1799                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1800                                                             end - pos,
1801                                                             verbose);
1802                 } else
1803 #endif /* CONFIG_AP */
1804                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1805         }
1806 #ifdef CONFIG_SAE
1807         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1808 #ifdef CONFIG_AP
1809             !wpa_s->ap_iface &&
1810 #endif /* CONFIG_AP */
1811             wpa_s->sme.sae.state == SAE_ACCEPTED) {
1812                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1813                                   wpa_s->sme.sae.group);
1814                 if (os_snprintf_error(end - pos, ret))
1815                         return pos - buf;
1816                 pos += ret;
1817         }
1818 #endif /* CONFIG_SAE */
1819         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1820                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1821         if (os_snprintf_error(end - pos, ret))
1822                 return pos - buf;
1823         pos += ret;
1824
1825         if (wpa_s->l2 &&
1826             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1827                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1828                 if (os_snprintf_error(end - pos, ret))
1829                         return pos - buf;
1830                 pos += ret;
1831         }
1832
1833 #ifdef CONFIG_P2P
1834         if (wpa_s->global->p2p) {
1835                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1836                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1837                 if (os_snprintf_error(end - pos, ret))
1838                         return pos - buf;
1839                 pos += ret;
1840         }
1841 #endif /* CONFIG_P2P */
1842
1843         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1844                           MAC2STR(wpa_s->own_addr));
1845         if (os_snprintf_error(end - pos, ret))
1846                 return pos - buf;
1847         pos += ret;
1848
1849 #ifdef CONFIG_HS20
1850         if (wpa_s->current_bss &&
1851             (hs20 = wpa_bss_get_vendor_ie(wpa_s->current_bss,
1852                                           HS20_IE_VENDOR_TYPE)) &&
1853             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1854             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1855                 int release = 1;
1856                 if (hs20[1] >= 5) {
1857                         u8 rel_num = (hs20[6] & 0xf0) >> 4;
1858                         release = rel_num + 1;
1859                 }
1860                 ret = os_snprintf(pos, end - pos, "hs20=%d\n", release);
1861                 if (os_snprintf_error(end - pos, ret))
1862                         return pos - buf;
1863                 pos += ret;
1864         }
1865
1866         if (wpa_s->current_ssid) {
1867                 struct wpa_cred *cred;
1868                 char *type;
1869
1870                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1871                         size_t i;
1872
1873                         if (wpa_s->current_ssid->parent_cred != cred)
1874                                 continue;
1875
1876                         if (cred->provisioning_sp) {
1877                                 ret = os_snprintf(pos, end - pos,
1878                                                   "provisioning_sp=%s\n",
1879                                                   cred->provisioning_sp);
1880                                 if (os_snprintf_error(end - pos, ret))
1881                                         return pos - buf;
1882                                 pos += ret;
1883                         }
1884
1885                         if (!cred->domain)
1886                                 goto no_domain;
1887
1888                         i = 0;
1889                         if (wpa_s->current_bss && wpa_s->current_bss->anqp) {
1890                                 struct wpabuf *names =
1891                                         wpa_s->current_bss->anqp->domain_name;
1892                                 for (i = 0; names && i < cred->num_domain; i++)
1893                                 {
1894                                         if (domain_name_list_contains(
1895                                                     names, cred->domain[i], 1))
1896                                                 break;
1897                                 }
1898                                 if (i == cred->num_domain)
1899                                         i = 0; /* show first entry by default */
1900                         }
1901                         ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1902                                           cred->domain[i]);
1903                         if (os_snprintf_error(end - pos, ret))
1904                                 return pos - buf;
1905                         pos += ret;
1906
1907                 no_domain:
1908                         if (wpa_s->current_bss == NULL ||
1909                             wpa_s->current_bss->anqp == NULL)
1910                                 res = -1;
1911                         else
1912                                 res = interworking_home_sp_cred(
1913                                         wpa_s, cred,
1914                                         wpa_s->current_bss->anqp->domain_name);
1915                         if (res > 0)
1916                                 type = "home";
1917                         else if (res == 0)
1918                                 type = "roaming";
1919                         else
1920                                 type = "unknown";
1921
1922                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1923                         if (os_snprintf_error(end - pos, ret))
1924                                 return pos - buf;
1925                         pos += ret;
1926
1927                         break;
1928                 }
1929         }
1930 #endif /* CONFIG_HS20 */
1931
1932         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1933             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1934                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1935                                           verbose);
1936                 if (res >= 0)
1937                         pos += res;
1938         }
1939
1940         sess_id = eapol_sm_get_session_id(wpa_s->eapol, &sess_id_len);
1941         if (sess_id) {
1942                 char *start = pos;
1943
1944                 ret = os_snprintf(pos, end - pos, "eap_session_id=");
1945                 if (os_snprintf_error(end - pos, ret))
1946                         return start - buf;
1947                 pos += ret;
1948                 ret = wpa_snprintf_hex(pos, end - pos, sess_id, sess_id_len);
1949                 if (ret <= 0)
1950                         return start - buf;
1951                 pos += ret;
1952                 ret = os_snprintf(pos, end - pos, "\n");
1953                 if (os_snprintf_error(end - pos, ret))
1954                         return start - buf;
1955                 pos += ret;
1956         }
1957
1958         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1959         if (res >= 0)
1960                 pos += res;
1961
1962 #ifdef CONFIG_WPS
1963         {
1964                 char uuid_str[100];
1965                 uuid_bin2str(wpa_s->wps->uuid, uuid_str, sizeof(uuid_str));
1966                 ret = os_snprintf(pos, end - pos, "uuid=%s\n", uuid_str);
1967                 if (os_snprintf_error(end - pos, ret))
1968                         return pos - buf;
1969                 pos += ret;
1970         }
1971 #endif /* CONFIG_WPS */
1972
1973 #ifdef ANDROID
1974         /*
1975          * Allow using the STATUS command with default behavior, say for debug,
1976          * i.e., don't generate a "fake" CONNECTION and SUPPLICANT_STATE_CHANGE
1977          * events with STATUS-NO_EVENTS.
1978          */
1979         if (os_strcmp(params, "-NO_EVENTS")) {
1980                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
1981                              "id=%d state=%d BSSID=" MACSTR " SSID=%s",
1982                              wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
1983                              wpa_s->wpa_state,
1984                              MAC2STR(wpa_s->bssid),
1985                              wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
1986                              wpa_ssid_txt(wpa_s->current_ssid->ssid,
1987                                           wpa_s->current_ssid->ssid_len) : "");
1988                 if (wpa_s->wpa_state == WPA_COMPLETED) {
1989                         struct wpa_ssid *ssid = wpa_s->current_ssid;
1990                         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED
1991                                      "- connection to " MACSTR
1992                                      " completed %s [id=%d id_str=%s]",
1993                                      MAC2STR(wpa_s->bssid), "(auth)",
1994                                      ssid ? ssid->id : -1,
1995                                      ssid && ssid->id_str ? ssid->id_str : "");
1996                 }
1997         }
1998 #endif /* ANDROID */
1999
2000         return pos - buf;
2001 }
2002
2003
2004 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
2005                                            char *cmd)
2006 {
2007         char *pos;
2008         int id;
2009         struct wpa_ssid *ssid;
2010         u8 bssid[ETH_ALEN];
2011
2012         /* cmd: "<network id> <BSSID>" */
2013         pos = os_strchr(cmd, ' ');
2014         if (pos == NULL)
2015                 return -1;
2016         *pos++ = '\0';
2017         id = atoi(cmd);
2018         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
2019         if (hwaddr_aton(pos, bssid)) {
2020                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
2021                 return -1;
2022         }
2023
2024         ssid = wpa_config_get_network(wpa_s->conf, id);
2025         if (ssid == NULL) {
2026                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
2027                            "to update", id);
2028                 return -1;
2029         }
2030
2031         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
2032         ssid->bssid_set = !is_zero_ether_addr(bssid);
2033
2034         return 0;
2035 }
2036
2037
2038 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
2039                                                char *cmd, char *buf,
2040                                                size_t buflen)
2041 {
2042         u8 bssid[ETH_ALEN];
2043         struct wpa_blacklist *e;
2044         char *pos, *end;
2045         int ret;
2046
2047         /* cmd: "BLACKLIST [<BSSID>]" */
2048         if (*cmd == '\0') {
2049                 pos = buf;
2050                 end = buf + buflen;
2051                 e = wpa_s->blacklist;
2052                 while (e) {
2053                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
2054                                           MAC2STR(e->bssid));
2055                         if (os_snprintf_error(end - pos, ret))
2056                                 return pos - buf;
2057                         pos += ret;
2058                         e = e->next;
2059                 }
2060                 return pos - buf;
2061         }
2062
2063         cmd++;
2064         if (os_strncmp(cmd, "clear", 5) == 0) {
2065                 wpa_blacklist_clear(wpa_s);
2066                 os_memcpy(buf, "OK\n", 3);
2067                 return 3;
2068         }
2069
2070         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
2071         if (hwaddr_aton(cmd, bssid)) {
2072                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
2073                 return -1;
2074         }
2075
2076         /*
2077          * Add the BSSID twice, so its count will be 2, causing it to be
2078          * skipped when processing scan results.
2079          */
2080         ret = wpa_blacklist_add(wpa_s, bssid);
2081         if (ret < 0)
2082                 return -1;
2083         ret = wpa_blacklist_add(wpa_s, bssid);
2084         if (ret < 0)
2085                 return -1;
2086         os_memcpy(buf, "OK\n", 3);
2087         return 3;
2088 }
2089
2090
2091 static const char * debug_level_str(int level)
2092 {
2093         switch (level) {
2094         case MSG_EXCESSIVE:
2095                 return "EXCESSIVE";
2096         case MSG_MSGDUMP:
2097                 return "MSGDUMP";
2098         case MSG_DEBUG:
2099                 return "DEBUG";
2100         case MSG_INFO:
2101                 return "INFO";
2102         case MSG_WARNING:
2103                 return "WARNING";
2104         case MSG_ERROR:
2105                 return "ERROR";
2106         default:
2107                 return "?";
2108         }
2109 }
2110
2111
2112 static int str_to_debug_level(const char *s)
2113 {
2114         if (os_strcasecmp(s, "EXCESSIVE") == 0)
2115                 return MSG_EXCESSIVE;
2116         if (os_strcasecmp(s, "MSGDUMP") == 0)
2117                 return MSG_MSGDUMP;
2118         if (os_strcasecmp(s, "DEBUG") == 0)
2119                 return MSG_DEBUG;
2120         if (os_strcasecmp(s, "INFO") == 0)
2121                 return MSG_INFO;
2122         if (os_strcasecmp(s, "WARNING") == 0)
2123                 return MSG_WARNING;
2124         if (os_strcasecmp(s, "ERROR") == 0)
2125                 return MSG_ERROR;
2126         return -1;
2127 }
2128
2129
2130 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
2131                                                char *cmd, char *buf,
2132                                                size_t buflen)
2133 {
2134         char *pos, *end, *stamp;
2135         int ret;
2136
2137         /* cmd: "LOG_LEVEL [<level>]" */
2138         if (*cmd == '\0') {
2139                 pos = buf;
2140                 end = buf + buflen;
2141                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
2142                                   "Timestamp: %d\n",
2143                                   debug_level_str(wpa_debug_level),
2144                                   wpa_debug_timestamp);
2145                 if (os_snprintf_error(end - pos, ret))
2146                         ret = 0;
2147
2148                 return ret;
2149         }
2150
2151         while (*cmd == ' ')
2152                 cmd++;
2153
2154         stamp = os_strchr(cmd, ' ');
2155         if (stamp) {
2156                 *stamp++ = '\0';
2157                 while (*stamp == ' ') {
2158                         stamp++;
2159                 }
2160         }
2161
2162         if (cmd && os_strlen(cmd)) {
2163                 int level = str_to_debug_level(cmd);
2164                 if (level < 0)
2165                         return -1;
2166                 wpa_debug_level = level;
2167         }
2168
2169         if (stamp && os_strlen(stamp))
2170                 wpa_debug_timestamp = atoi(stamp);
2171
2172         os_memcpy(buf, "OK\n", 3);
2173         return 3;
2174 }
2175
2176
2177 static int wpa_supplicant_ctrl_iface_list_networks(
2178         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2179 {
2180         char *pos, *end, *prev;
2181         struct wpa_ssid *ssid;
2182         int ret;
2183
2184         pos = buf;
2185         end = buf + buflen;
2186         ret = os_snprintf(pos, end - pos,
2187                           "network id / ssid / bssid / flags\n");
2188         if (os_snprintf_error(end - pos, ret))
2189                 return pos - buf;
2190         pos += ret;
2191
2192         ssid = wpa_s->conf->ssid;
2193
2194         /* skip over ssids until we find next one */
2195         if (cmd != NULL && os_strncmp(cmd, "LAST_ID=", 8) == 0) {
2196                 int last_id = atoi(cmd + 8);
2197                 if (last_id != -1) {
2198                         while (ssid != NULL && ssid->id <= last_id) {
2199                                 ssid = ssid->next;
2200                         }
2201                 }
2202         }
2203
2204         while (ssid) {
2205                 prev = pos;
2206                 ret = os_snprintf(pos, end - pos, "%d\t%s",
2207                                   ssid->id,
2208                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
2209                 if (os_snprintf_error(end - pos, ret))
2210                         return prev - buf;
2211                 pos += ret;
2212                 if (ssid->bssid_set) {
2213                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
2214                                           MAC2STR(ssid->bssid));
2215                 } else {
2216                         ret = os_snprintf(pos, end - pos, "\tany");
2217                 }
2218                 if (os_snprintf_error(end - pos, ret))
2219                         return prev - buf;
2220                 pos += ret;
2221                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
2222                                   ssid == wpa_s->current_ssid ?
2223                                   "[CURRENT]" : "",
2224                                   ssid->disabled ? "[DISABLED]" : "",
2225                                   ssid->disabled_until.sec ?
2226                                   "[TEMP-DISABLED]" : "",
2227                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
2228                                   "");
2229                 if (os_snprintf_error(end - pos, ret))
2230                         return prev - buf;
2231                 pos += ret;
2232                 ret = os_snprintf(pos, end - pos, "\n");
2233                 if (os_snprintf_error(end - pos, ret))
2234                         return prev - buf;
2235                 pos += ret;
2236
2237                 ssid = ssid->next;
2238         }
2239
2240         return pos - buf;
2241 }
2242
2243
2244 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
2245 {
2246         int ret;
2247         ret = os_snprintf(pos, end - pos, "-");
2248         if (os_snprintf_error(end - pos, ret))
2249                 return pos;
2250         pos += ret;
2251         ret = wpa_write_ciphers(pos, end, cipher, "+");
2252         if (ret < 0)
2253                 return pos;
2254         pos += ret;
2255         return pos;
2256 }
2257
2258
2259 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
2260                                     const u8 *ie, size_t ie_len)
2261 {
2262         struct wpa_ie_data data;
2263         char *start;
2264         int ret;
2265
2266         ret = os_snprintf(pos, end - pos, "[%s-", proto);
2267         if (os_snprintf_error(end - pos, ret))
2268                 return pos;
2269         pos += ret;
2270
2271         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
2272                 ret = os_snprintf(pos, end - pos, "?]");
2273                 if (os_snprintf_error(end - pos, ret))
2274                         return pos;
2275                 pos += ret;
2276                 return pos;
2277         }
2278
2279         start = pos;
2280         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
2281                 ret = os_snprintf(pos, end - pos, "%sEAP",
2282                                   pos == start ? "" : "+");
2283                 if (os_snprintf_error(end - pos, ret))
2284                         return pos;
2285                 pos += ret;
2286         }
2287         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
2288                 ret = os_snprintf(pos, end - pos, "%sPSK",
2289                                   pos == start ? "" : "+");
2290                 if (os_snprintf_error(end - pos, ret))
2291                         return pos;
2292                 pos += ret;
2293         }
2294         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
2295                 ret = os_snprintf(pos, end - pos, "%sNone",
2296                                   pos == start ? "" : "+");
2297                 if (os_snprintf_error(end - pos, ret))
2298                         return pos;
2299                 pos += ret;
2300         }
2301         if (data.key_mgmt & WPA_KEY_MGMT_SAE) {
2302                 ret = os_snprintf(pos, end - pos, "%sSAE",
2303                                   pos == start ? "" : "+");
2304                 if (os_snprintf_error(end - pos, ret))
2305                         return pos;
2306                 pos += ret;
2307         }
2308 #ifdef CONFIG_IEEE80211R
2309         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
2310                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
2311                                   pos == start ? "" : "+");
2312                 if (os_snprintf_error(end - pos, ret))
2313                         return pos;
2314                 pos += ret;
2315         }
2316         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
2317                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
2318                                   pos == start ? "" : "+");
2319                 if (os_snprintf_error(end - pos, ret))
2320                         return pos;
2321                 pos += ret;
2322         }
2323         if (data.key_mgmt & WPA_KEY_MGMT_FT_SAE) {
2324                 ret = os_snprintf(pos, end - pos, "%sFT/SAE",
2325                                   pos == start ? "" : "+");
2326                 if (os_snprintf_error(end - pos, ret))
2327                         return pos;
2328                 pos += ret;
2329         }
2330 #endif /* CONFIG_IEEE80211R */
2331 #ifdef CONFIG_IEEE80211W
2332         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
2333                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
2334                                   pos == start ? "" : "+");
2335                 if (os_snprintf_error(end - pos, ret))
2336                         return pos;
2337                 pos += ret;
2338         }
2339         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
2340                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
2341                                   pos == start ? "" : "+");
2342                 if (os_snprintf_error(end - pos, ret))
2343                         return pos;
2344                 pos += ret;
2345         }
2346 #endif /* CONFIG_IEEE80211W */
2347
2348 #ifdef CONFIG_SUITEB
2349         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
2350                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B",
2351                                   pos == start ? "" : "+");
2352                 if (os_snprintf_error(end - pos, ret))
2353                         return pos;
2354                 pos += ret;
2355         }
2356 #endif /* CONFIG_SUITEB */
2357
2358 #ifdef CONFIG_SUITEB192
2359         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
2360                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B-192",
2361                                   pos == start ? "" : "+");
2362                 if (os_snprintf_error(end - pos, ret))
2363                         return pos;
2364                 pos += ret;
2365         }
2366 #endif /* CONFIG_SUITEB192 */
2367
2368         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
2369
2370         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
2371                 ret = os_snprintf(pos, end - pos, "-preauth");
2372                 if (os_snprintf_error(end - pos, ret))
2373                         return pos;
2374                 pos += ret;
2375         }
2376
2377         ret = os_snprintf(pos, end - pos, "]");
2378         if (os_snprintf_error(end - pos, ret))
2379                 return pos;
2380         pos += ret;
2381
2382         return pos;
2383 }
2384
2385
2386 #ifdef CONFIG_WPS
2387 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
2388                                             char *pos, char *end,
2389                                             struct wpabuf *wps_ie)
2390 {
2391         int ret;
2392         const char *txt;
2393
2394         if (wps_ie == NULL)
2395                 return pos;
2396         if (wps_is_selected_pbc_registrar(wps_ie))
2397                 txt = "[WPS-PBC]";
2398         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
2399                 txt = "[WPS-AUTH]";
2400         else if (wps_is_selected_pin_registrar(wps_ie))
2401                 txt = "[WPS-PIN]";
2402         else
2403                 txt = "[WPS]";
2404
2405         ret = os_snprintf(pos, end - pos, "%s", txt);
2406         if (!os_snprintf_error(end - pos, ret))
2407                 pos += ret;
2408         wpabuf_free(wps_ie);
2409         return pos;
2410 }
2411 #endif /* CONFIG_WPS */
2412
2413
2414 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2415                                         char *pos, char *end,
2416                                         const struct wpa_bss *bss)
2417 {
2418 #ifdef CONFIG_WPS
2419         struct wpabuf *wps_ie;
2420         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2421         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2422 #else /* CONFIG_WPS */
2423         return pos;
2424 #endif /* CONFIG_WPS */
2425 }
2426
2427
2428 /* Format one result on one text line into a buffer. */
2429 static int wpa_supplicant_ctrl_iface_scan_result(
2430         struct wpa_supplicant *wpa_s,
2431         const struct wpa_bss *bss, char *buf, size_t buflen)
2432 {
2433         char *pos, *end;
2434         int ret;
2435         const u8 *ie, *ie2, *p2p, *mesh;
2436
2437         mesh = wpa_bss_get_ie(bss, WLAN_EID_MESH_ID);
2438         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2439         if (!p2p)
2440                 p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2441         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2442             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2443             0)
2444                 return 0; /* Do not show P2P listen discovery results here */
2445
2446         pos = buf;
2447         end = buf + buflen;
2448
2449         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2450                           MAC2STR(bss->bssid), bss->freq, bss->level);
2451         if (os_snprintf_error(end - pos, ret))
2452                 return -1;
2453         pos += ret;
2454         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2455         if (ie)
2456                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2457         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2458         if (ie2) {
2459                 pos = wpa_supplicant_ie_txt(pos, end, mesh ? "RSN" : "WPA2",
2460                                             ie2, 2 + ie2[1]);
2461         }
2462         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2463         if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2464                 ret = os_snprintf(pos, end - pos, "[WEP]");
2465                 if (os_snprintf_error(end - pos, ret))
2466                         return -1;
2467                 pos += ret;
2468         }
2469         if (mesh) {
2470                 ret = os_snprintf(pos, end - pos, "[MESH]");
2471                 if (os_snprintf_error(end - pos, ret))
2472                         return -1;
2473                 pos += ret;
2474         }
2475         if (bss_is_dmg(bss)) {
2476                 const char *s;
2477                 ret = os_snprintf(pos, end - pos, "[DMG]");
2478                 if (os_snprintf_error(end - pos, ret))
2479                         return -1;
2480                 pos += ret;
2481                 switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
2482                 case IEEE80211_CAP_DMG_IBSS:
2483                         s = "[IBSS]";
2484                         break;
2485                 case IEEE80211_CAP_DMG_AP:
2486                         s = "[ESS]";
2487                         break;
2488                 case IEEE80211_CAP_DMG_PBSS:
2489                         s = "[PBSS]";
2490                         break;
2491                 default:
2492                         s = "";
2493                         break;
2494                 }
2495                 ret = os_snprintf(pos, end - pos, "%s", s);
2496                 if (os_snprintf_error(end - pos, ret))
2497                         return -1;
2498                 pos += ret;
2499         } else {
2500                 if (bss->caps & IEEE80211_CAP_IBSS) {
2501                         ret = os_snprintf(pos, end - pos, "[IBSS]");
2502                         if (os_snprintf_error(end - pos, ret))
2503                                 return -1;
2504                         pos += ret;
2505                 }
2506                 if (bss->caps & IEEE80211_CAP_ESS) {
2507                         ret = os_snprintf(pos, end - pos, "[ESS]");
2508                         if (os_snprintf_error(end - pos, ret))
2509                                 return -1;
2510                         pos += ret;
2511                 }
2512         }
2513         if (p2p) {
2514                 ret = os_snprintf(pos, end - pos, "[P2P]");
2515                 if (os_snprintf_error(end - pos, ret))
2516                         return -1;
2517                 pos += ret;
2518         }
2519 #ifdef CONFIG_HS20
2520         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2521                 ret = os_snprintf(pos, end - pos, "[HS20]");
2522                 if (os_snprintf_error(end - pos, ret))
2523                         return -1;
2524                 pos += ret;
2525         }
2526 #endif /* CONFIG_HS20 */
2527
2528         ret = os_snprintf(pos, end - pos, "\t%s",
2529                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2530         if (os_snprintf_error(end - pos, ret))
2531                 return -1;
2532         pos += ret;
2533
2534         ret = os_snprintf(pos, end - pos, "\n");
2535         if (os_snprintf_error(end - pos, ret))
2536                 return -1;
2537         pos += ret;
2538
2539         return pos - buf;
2540 }
2541
2542
2543 static int wpa_supplicant_ctrl_iface_scan_results(
2544         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2545 {
2546         char *pos, *end;
2547         struct wpa_bss *bss;
2548         int ret;
2549
2550         pos = buf;
2551         end = buf + buflen;
2552         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2553                           "flags / ssid\n");
2554         if (os_snprintf_error(end - pos, ret))
2555                 return pos - buf;
2556         pos += ret;
2557
2558         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2559                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2560                                                             end - pos);
2561                 if (ret < 0 || ret >= end - pos)
2562                         return pos - buf;
2563                 pos += ret;
2564         }
2565
2566         return pos - buf;
2567 }
2568
2569
2570 #ifdef CONFIG_MESH
2571
2572 static int wpa_supplicant_ctrl_iface_mesh_interface_add(
2573         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
2574 {
2575         char *pos, ifname[IFNAMSIZ + 1];
2576
2577         ifname[0] = '\0';
2578
2579         pos = os_strstr(cmd, "ifname=");
2580         if (pos) {
2581                 pos += 7;
2582                 os_strlcpy(ifname, pos, sizeof(ifname));
2583         }
2584
2585         if (wpas_mesh_add_interface(wpa_s, ifname, sizeof(ifname)) < 0)
2586                 return -1;
2587
2588         os_strlcpy(reply, ifname, max_len);
2589         return os_strlen(ifname);
2590 }
2591
2592
2593 static int wpa_supplicant_ctrl_iface_mesh_group_add(
2594         struct wpa_supplicant *wpa_s, char *cmd)
2595 {
2596         int id;
2597         struct wpa_ssid *ssid;
2598
2599         id = atoi(cmd);
2600         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_ADD id=%d", id);
2601
2602         ssid = wpa_config_get_network(wpa_s->conf, id);
2603         if (ssid == NULL) {
2604                 wpa_printf(MSG_DEBUG,
2605                            "CTRL_IFACE: Could not find network id=%d", id);
2606                 return -1;
2607         }
2608         if (ssid->mode != WPAS_MODE_MESH) {
2609                 wpa_printf(MSG_DEBUG,
2610                            "CTRL_IFACE: Cannot use MESH_GROUP_ADD on a non mesh network");
2611                 return -1;
2612         }
2613         if (ssid->key_mgmt != WPA_KEY_MGMT_NONE &&
2614             ssid->key_mgmt != WPA_KEY_MGMT_SAE) {
2615                 wpa_printf(MSG_ERROR,
2616                            "CTRL_IFACE: key_mgmt for mesh network should be open or SAE");
2617                 return -1;
2618         }
2619
2620         /*
2621          * TODO: If necessary write our own group_add function,
2622          * for now we can reuse select_network
2623          */
2624         wpa_supplicant_select_network(wpa_s, ssid);
2625
2626         return 0;
2627 }
2628
2629
2630 static int wpa_supplicant_ctrl_iface_mesh_group_remove(
2631         struct wpa_supplicant *wpa_s, char *cmd)
2632 {
2633         struct wpa_supplicant *orig;
2634         struct wpa_global *global;
2635         int found = 0;
2636
2637         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s", cmd);
2638
2639         global = wpa_s->global;
2640         orig = wpa_s;
2641
2642         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2643                 if (os_strcmp(wpa_s->ifname, cmd) == 0) {
2644                         found = 1;
2645                         break;
2646                 }
2647         }
2648         if (!found) {
2649                 wpa_printf(MSG_ERROR,
2650                            "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s not found",
2651                            cmd);
2652                 return -1;
2653         }
2654         if (wpa_s->mesh_if_created && wpa_s == orig) {
2655                 wpa_printf(MSG_ERROR,
2656                            "CTRL_IFACE: MESH_GROUP_REMOVE can't remove itself");
2657                 return -1;
2658         }
2659
2660         wpa_s->reassociate = 0;
2661         wpa_s->disconnected = 1;
2662         wpa_supplicant_cancel_sched_scan(wpa_s);
2663         wpa_supplicant_cancel_scan(wpa_s);
2664
2665         /*
2666          * TODO: If necessary write our own group_remove function,
2667          * for now we can reuse deauthenticate
2668          */
2669         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2670
2671         if (wpa_s->mesh_if_created)
2672                 wpa_supplicant_remove_iface(global, wpa_s, 0);
2673
2674         return 0;
2675 }
2676
2677 #endif /* CONFIG_MESH */
2678
2679
2680 static int wpa_supplicant_ctrl_iface_select_network(
2681         struct wpa_supplicant *wpa_s, char *cmd)
2682 {
2683         int id;
2684         struct wpa_ssid *ssid;
2685         char *pos;
2686
2687         /* cmd: "<network id>" or "any" */
2688         if (os_strncmp(cmd, "any", 3) == 0) {
2689                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2690                 ssid = NULL;
2691         } else {
2692                 id = atoi(cmd);
2693                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2694
2695                 ssid = wpa_config_get_network(wpa_s->conf, id);
2696                 if (ssid == NULL) {
2697                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2698                                    "network id=%d", id);
2699                         return -1;
2700                 }
2701                 if (ssid->disabled == 2) {
2702                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2703                                    "SELECT_NETWORK with persistent P2P group");
2704                         return -1;
2705                 }
2706         }
2707
2708         pos = os_strstr(cmd, " freq=");
2709         if (pos) {
2710                 int *freqs = freq_range_to_channel_list(wpa_s, pos + 6);
2711                 if (freqs) {
2712                         wpa_s->scan_req = MANUAL_SCAN_REQ;
2713                         os_free(wpa_s->manual_scan_freqs);
2714                         wpa_s->manual_scan_freqs = freqs;
2715                 }
2716         }
2717
2718         wpa_supplicant_select_network(wpa_s, ssid);
2719
2720         return 0;
2721 }
2722
2723
2724 static int wpa_supplicant_ctrl_iface_enable_network(
2725         struct wpa_supplicant *wpa_s, char *cmd)
2726 {
2727         int id;
2728         struct wpa_ssid *ssid;
2729
2730         /* cmd: "<network id>" or "all" */
2731         if (os_strcmp(cmd, "all") == 0) {
2732                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2733                 ssid = NULL;
2734         } else {
2735                 id = atoi(cmd);
2736                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2737
2738                 ssid = wpa_config_get_network(wpa_s->conf, id);
2739                 if (ssid == NULL) {
2740                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2741                                    "network id=%d", id);
2742                         return -1;
2743                 }
2744                 if (ssid->disabled == 2) {
2745                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2746                                    "ENABLE_NETWORK with persistent P2P group");
2747                         return -1;
2748                 }
2749
2750                 if (os_strstr(cmd, " no-connect")) {
2751                         ssid->disabled = 0;
2752                         return 0;
2753                 }
2754         }
2755         wpa_supplicant_enable_network(wpa_s, ssid);
2756
2757         return 0;
2758 }
2759
2760
2761 static int wpa_supplicant_ctrl_iface_disable_network(
2762         struct wpa_supplicant *wpa_s, char *cmd)
2763 {
2764         int id;
2765         struct wpa_ssid *ssid;
2766
2767         /* cmd: "<network id>" or "all" */
2768         if (os_strcmp(cmd, "all") == 0) {
2769                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2770                 ssid = NULL;
2771         } else {
2772                 id = atoi(cmd);
2773                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2774
2775                 ssid = wpa_config_get_network(wpa_s->conf, id);
2776                 if (ssid == NULL) {
2777                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2778                                    "network id=%d", id);
2779                         return -1;
2780                 }
2781                 if (ssid->disabled == 2) {
2782                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2783                                    "DISABLE_NETWORK with persistent P2P "
2784                                    "group");
2785                         return -1;
2786                 }
2787         }
2788         wpa_supplicant_disable_network(wpa_s, ssid);
2789
2790         return 0;
2791 }
2792
2793
2794 static int wpa_supplicant_ctrl_iface_add_network(
2795         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2796 {
2797         struct wpa_ssid *ssid;
2798         int ret;
2799
2800         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2801
2802         ssid = wpa_config_add_network(wpa_s->conf);
2803         if (ssid == NULL)
2804                 return -1;
2805
2806         wpas_notify_network_added(wpa_s, ssid);
2807
2808         ssid->disabled = 1;
2809         wpa_config_set_network_defaults(ssid);
2810
2811         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2812         if (os_snprintf_error(buflen, ret))
2813                 return -1;
2814         return ret;
2815 }
2816
2817
2818 static int wpa_supplicant_ctrl_iface_remove_network(
2819         struct wpa_supplicant *wpa_s, char *cmd)
2820 {
2821         int id;
2822         struct wpa_ssid *ssid;
2823         int was_disabled;
2824
2825         /* cmd: "<network id>" or "all" */
2826         if (os_strcmp(cmd, "all") == 0) {
2827                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2828                 if (wpa_s->sched_scanning)
2829                         wpa_supplicant_cancel_sched_scan(wpa_s);
2830
2831                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2832                 if (wpa_s->current_ssid) {
2833 #ifdef CONFIG_SME
2834                         wpa_s->sme.prev_bssid_set = 0;
2835 #endif /* CONFIG_SME */
2836                         wpa_sm_set_config(wpa_s->wpa, NULL);
2837                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2838                         wpa_supplicant_deauthenticate(
2839                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2840                 }
2841                 ssid = wpa_s->conf->ssid;
2842                 while (ssid) {
2843                         struct wpa_ssid *remove_ssid = ssid;
2844                         id = ssid->id;
2845                         ssid = ssid->next;
2846                         if (wpa_s->last_ssid == remove_ssid)
2847                                 wpa_s->last_ssid = NULL;
2848                         wpas_notify_network_removed(wpa_s, remove_ssid);
2849                         wpa_config_remove_network(wpa_s->conf, id);
2850                 }
2851                 return 0;
2852         }
2853
2854         id = atoi(cmd);
2855         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2856
2857         ssid = wpa_config_get_network(wpa_s->conf, id);
2858         if (ssid)
2859                 wpas_notify_network_removed(wpa_s, ssid);
2860         if (ssid == NULL) {
2861                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2862                            "id=%d", id);
2863                 return -1;
2864         }
2865
2866         if (wpa_s->last_ssid == ssid)
2867                 wpa_s->last_ssid = NULL;
2868
2869         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2870 #ifdef CONFIG_SME
2871                 wpa_s->sme.prev_bssid_set = 0;
2872 #endif /* CONFIG_SME */
2873                 /*
2874                  * Invalidate the EAP session cache if the current or
2875                  * previously used network is removed.
2876                  */
2877                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2878         }
2879
2880         if (ssid == wpa_s->current_ssid) {
2881                 wpa_sm_set_config(wpa_s->wpa, NULL);
2882                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2883
2884                 wpa_supplicant_deauthenticate(wpa_s,
2885                                               WLAN_REASON_DEAUTH_LEAVING);
2886         }
2887
2888         was_disabled = ssid->disabled;
2889
2890         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2891                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2892                            "network id=%d", id);
2893                 return -1;
2894         }
2895
2896         if (!was_disabled && wpa_s->sched_scanning) {
2897                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2898                            "network from filters");
2899                 wpa_supplicant_cancel_sched_scan(wpa_s);
2900                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2901         }
2902
2903         return 0;
2904 }
2905
2906
2907 static int wpa_supplicant_ctrl_iface_update_network(
2908         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
2909         char *name, char *value)
2910 {
2911         if (wpa_config_set(ssid, name, value, 0) < 0) {
2912                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2913                            "variable '%s'", name);
2914                 return -1;
2915         }
2916
2917         if (os_strcmp(name, "bssid") != 0 &&
2918             os_strcmp(name, "priority") != 0)
2919                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2920
2921         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2922                 /*
2923                  * Invalidate the EAP session cache if anything in the current
2924                  * or previously used configuration changes.
2925                  */
2926                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2927         }
2928
2929         if ((os_strcmp(name, "psk") == 0 &&
2930              value[0] == '"' && ssid->ssid_len) ||
2931             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2932                 wpa_config_update_psk(ssid);
2933         else if (os_strcmp(name, "priority") == 0)
2934                 wpa_config_update_prio_list(wpa_s->conf);
2935
2936         return 0;
2937 }
2938
2939
2940 static int wpa_supplicant_ctrl_iface_set_network(
2941         struct wpa_supplicant *wpa_s, char *cmd)
2942 {
2943         int id, ret, prev_bssid_set, prev_disabled;
2944         struct wpa_ssid *ssid;
2945         char *name, *value;
2946         u8 prev_bssid[ETH_ALEN];
2947
2948         /* cmd: "<network id> <variable name> <value>" */
2949         name = os_strchr(cmd, ' ');
2950         if (name == NULL)
2951                 return -1;
2952         *name++ = '\0';
2953
2954         value = os_strchr(name, ' ');
2955         if (value == NULL)
2956                 return -1;
2957         *value++ = '\0';
2958
2959         id = atoi(cmd);
2960         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2961                    id, name);
2962         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2963                               (u8 *) value, os_strlen(value));
2964
2965         ssid = wpa_config_get_network(wpa_s->conf, id);
2966         if (ssid == NULL) {
2967                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2968                            "id=%d", id);
2969                 return -1;
2970         }
2971
2972         prev_bssid_set = ssid->bssid_set;
2973         prev_disabled = ssid->disabled;
2974         os_memcpy(prev_bssid, ssid->bssid, ETH_ALEN);
2975         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid, name,
2976                                                        value);
2977         if (ret == 0 &&
2978             (ssid->bssid_set != prev_bssid_set ||
2979              os_memcmp(ssid->bssid, prev_bssid, ETH_ALEN) != 0))
2980                 wpas_notify_network_bssid_set_changed(wpa_s, ssid);
2981
2982         if (prev_disabled != ssid->disabled &&
2983             (prev_disabled == 2 || ssid->disabled == 2))
2984                 wpas_notify_network_type_changed(wpa_s, ssid);
2985
2986         return ret;
2987 }
2988
2989
2990 static int wpa_supplicant_ctrl_iface_get_network(
2991         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2992 {
2993         int id;
2994         size_t res;
2995         struct wpa_ssid *ssid;
2996         char *name, *value;
2997
2998         /* cmd: "<network id> <variable name>" */
2999         name = os_strchr(cmd, ' ');
3000         if (name == NULL || buflen == 0)
3001                 return -1;
3002         *name++ = '\0';
3003
3004         id = atoi(cmd);
3005         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
3006                    id, name);
3007
3008         ssid = wpa_config_get_network(wpa_s->conf, id);
3009         if (ssid == NULL) {
3010                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
3011                            "id=%d", id);
3012                 return -1;
3013         }
3014
3015         value = wpa_config_get_no_key(ssid, name);
3016         if (value == NULL) {
3017                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3018                            "variable '%s'", name);
3019                 return -1;
3020         }
3021
3022         res = os_strlcpy(buf, value, buflen);
3023         if (res >= buflen) {
3024                 os_free(value);
3025                 return -1;
3026         }
3027
3028         os_free(value);
3029
3030         return res;
3031 }
3032
3033
3034 static int wpa_supplicant_ctrl_iface_dup_network(
3035         struct wpa_supplicant *wpa_s, char *cmd)
3036 {
3037         struct wpa_ssid *ssid_s, *ssid_d;
3038         char *name, *id, *value;
3039         int id_s, id_d, ret;
3040
3041         /* cmd: "<src network id> <dst network id> <variable name>" */
3042         id = os_strchr(cmd, ' ');
3043         if (id == NULL)
3044                 return -1;
3045         *id++ = '\0';
3046
3047         name = os_strchr(id, ' ');
3048         if (name == NULL)
3049                 return -1;
3050         *name++ = '\0';
3051
3052         id_s = atoi(cmd);
3053         id_d = atoi(id);
3054         wpa_printf(MSG_DEBUG, "CTRL_IFACE: DUP_NETWORK id=%d -> %d name='%s'",
3055                    id_s, id_d, name);
3056
3057         ssid_s = wpa_config_get_network(wpa_s->conf, id_s);
3058         if (ssid_s == NULL) {
3059                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3060                            "network id=%d", id_s);
3061                 return -1;
3062         }
3063
3064         ssid_d = wpa_config_get_network(wpa_s->conf, id_d);
3065         if (ssid_d == NULL) {
3066                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3067                            "network id=%d", id_d);
3068                 return -1;
3069         }
3070
3071         value = wpa_config_get(ssid_s, name);
3072         if (value == NULL) {
3073                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3074                            "variable '%s'", name);
3075                 return -1;
3076         }
3077
3078         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid_d, name,
3079                                                        value);
3080
3081         os_free(value);
3082
3083         return ret;
3084 }
3085
3086
3087 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
3088                                                 char *buf, size_t buflen)
3089 {
3090         char *pos, *end;
3091         struct wpa_cred *cred;
3092         int ret;
3093
3094         pos = buf;
3095         end = buf + buflen;
3096         ret = os_snprintf(pos, end - pos,
3097                           "cred id / realm / username / domain / imsi\n");
3098         if (os_snprintf_error(end - pos, ret))
3099                 return pos - buf;
3100         pos += ret;
3101
3102         cred = wpa_s->conf->cred;
3103         while (cred) {
3104                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
3105                                   cred->id, cred->realm ? cred->realm : "",
3106                                   cred->username ? cred->username : "",
3107                                   cred->domain ? cred->domain[0] : "",
3108                                   cred->imsi ? cred->imsi : "");
3109                 if (os_snprintf_error(end - pos, ret))
3110                         return pos - buf;
3111                 pos += ret;
3112
3113                 cred = cred->next;
3114         }
3115
3116         return pos - buf;
3117 }
3118
3119
3120 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
3121                                               char *buf, size_t buflen)
3122 {
3123         struct wpa_cred *cred;
3124         int ret;
3125
3126         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
3127
3128         cred = wpa_config_add_cred(wpa_s->conf);
3129         if (cred == NULL)
3130                 return -1;
3131
3132         wpa_msg(wpa_s, MSG_INFO, CRED_ADDED "%d", cred->id);
3133
3134         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
3135         if (os_snprintf_error(buflen, ret))
3136                 return -1;
3137         return ret;
3138 }
3139
3140
3141 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
3142                                  struct wpa_cred *cred)
3143 {
3144         struct wpa_ssid *ssid;
3145         char str[20];
3146         int id;
3147
3148         if (cred == NULL) {
3149                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3150                 return -1;
3151         }
3152
3153         id = cred->id;
3154         if (wpa_config_remove_cred(wpa_s->conf, id) < 0) {
3155                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3156                 return -1;
3157         }
3158
3159         wpa_msg(wpa_s, MSG_INFO, CRED_REMOVED "%d", id);
3160
3161         /* Remove any network entry created based on the removed credential */
3162         ssid = wpa_s->conf->ssid;
3163         while (ssid) {
3164                 if (ssid->parent_cred == cred) {
3165                         int res;
3166
3167                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
3168                                    "used the removed credential", ssid->id);
3169                         res = os_snprintf(str, sizeof(str), "%d", ssid->id);
3170                         if (os_snprintf_error(sizeof(str), res))
3171                                 str[sizeof(str) - 1] = '\0';
3172                         ssid = ssid->next;
3173                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
3174                 } else
3175                         ssid = ssid->next;
3176         }
3177
3178         return 0;
3179 }
3180
3181
3182 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
3183                                                  char *cmd)
3184 {
3185         int id;
3186         struct wpa_cred *cred, *prev;
3187
3188         /* cmd: "<cred id>", "all", "sp_fqdn=<FQDN>", or
3189          * "provisioning_sp=<FQDN> */
3190         if (os_strcmp(cmd, "all") == 0) {
3191                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
3192                 cred = wpa_s->conf->cred;
3193                 while (cred) {
3194                         prev = cred;
3195                         cred = cred->next;
3196                         wpas_ctrl_remove_cred(wpa_s, prev);
3197                 }
3198                 return 0;
3199         }
3200
3201         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
3202                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
3203                            cmd + 8);
3204                 cred = wpa_s->conf->cred;
3205                 while (cred) {
3206                         prev = cred;
3207                         cred = cred->next;
3208                         if (prev->domain) {
3209                                 size_t i;
3210                                 for (i = 0; i < prev->num_domain; i++) {
3211                                         if (os_strcmp(prev->domain[i], cmd + 8)
3212                                             != 0)
3213                                                 continue;
3214                                         wpas_ctrl_remove_cred(wpa_s, prev);
3215                                         break;
3216                                 }
3217                         }
3218                 }
3219                 return 0;
3220         }
3221
3222         if (os_strncmp(cmd, "provisioning_sp=", 16) == 0) {
3223                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED provisioning SP FQDN '%s'",
3224                            cmd + 16);
3225                 cred = wpa_s->conf->cred;
3226                 while (cred) {
3227                         prev = cred;
3228                         cred = cred->next;
3229                         if (prev->provisioning_sp &&
3230                             os_strcmp(prev->provisioning_sp, cmd + 16) == 0)
3231                                 wpas_ctrl_remove_cred(wpa_s, prev);
3232                 }
3233                 return 0;
3234         }
3235
3236         id = atoi(cmd);
3237         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
3238
3239         cred = wpa_config_get_cred(wpa_s->conf, id);
3240         return wpas_ctrl_remove_cred(wpa_s, cred);
3241 }
3242
3243
3244 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
3245                                               char *cmd)
3246 {
3247         int id;
3248         struct wpa_cred *cred;
3249         char *name, *value;
3250
3251         /* cmd: "<cred id> <variable name> <value>" */
3252         name = os_strchr(cmd, ' ');
3253         if (name == NULL)
3254                 return -1;
3255         *name++ = '\0';
3256
3257         value = os_strchr(name, ' ');
3258         if (value == NULL)
3259                 return -1;
3260         *value++ = '\0';
3261
3262         id = atoi(cmd);
3263         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
3264                    id, name);
3265         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3266                               (u8 *) value, os_strlen(value));
3267
3268         cred = wpa_config_get_cred(wpa_s->conf, id);
3269         if (cred == NULL) {
3270                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3271                            id);
3272                 return -1;
3273         }
3274
3275         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
3276                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
3277                            "variable '%s'", name);
3278                 return -1;
3279         }
3280
3281         wpa_msg(wpa_s, MSG_INFO, CRED_MODIFIED "%d %s", cred->id, name);
3282
3283         return 0;
3284 }
3285
3286
3287 static int wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant *wpa_s,
3288                                               char *cmd, char *buf,
3289                                               size_t buflen)
3290 {
3291         int id;
3292         size_t res;
3293         struct wpa_cred *cred;
3294         char *name, *value;
3295
3296         /* cmd: "<cred id> <variable name>" */
3297         name = os_strchr(cmd, ' ');
3298         if (name == NULL)
3299                 return -1;
3300         *name++ = '\0';
3301
3302         id = atoi(cmd);
3303         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CRED id=%d name='%s'",
3304                    id, name);
3305
3306         cred = wpa_config_get_cred(wpa_s->conf, id);
3307         if (cred == NULL) {
3308                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3309                            id);
3310                 return -1;
3311         }
3312
3313         value = wpa_config_get_cred_no_key(cred, name);
3314         if (value == NULL) {
3315                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get cred variable '%s'",
3316                            name);
3317                 return -1;
3318         }
3319
3320         res = os_strlcpy(buf, value, buflen);
3321         if (res >= buflen) {
3322                 os_free(value);
3323                 return -1;
3324         }
3325
3326         os_free(value);
3327
3328         return res;
3329 }
3330
3331
3332 #ifndef CONFIG_NO_CONFIG_WRITE
3333 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
3334 {
3335         int ret;
3336
3337         if (!wpa_s->conf->update_config) {
3338                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
3339                            "to update configuration (update_config=0)");
3340                 return -1;
3341         }
3342
3343         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
3344         if (ret) {
3345                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
3346                            "update configuration");
3347         } else {
3348                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
3349                            " updated");
3350         }
3351
3352         return ret;
3353 }
3354 #endif /* CONFIG_NO_CONFIG_WRITE */
3355
3356
3357 struct cipher_info {
3358         unsigned int capa;
3359         const char *name;
3360         int group_only;
3361 };
3362
3363 static const struct cipher_info ciphers[] = {
3364         { WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
3365         { WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
3366         { WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
3367         { WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
3368         { WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
3369         { WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
3370         { WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
3371         { WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
3372 };
3373
3374 static const struct cipher_info ciphers_group_mgmt[] = {
3375         { WPA_DRIVER_CAPA_ENC_BIP, "AES-128-CMAC", 1 },
3376         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_128, "BIP-GMAC-128", 1 },
3377         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_256, "BIP-GMAC-256", 1 },
3378         { WPA_DRIVER_CAPA_ENC_BIP_CMAC_256, "BIP-CMAC-256", 1 },
3379 };
3380
3381
3382 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
3383                                               struct wpa_driver_capa *capa,
3384                                               char *buf, size_t buflen)
3385 {
3386         int ret;
3387         char *pos, *end;
3388         size_t len;
3389         unsigned int i;
3390
3391         pos = buf;
3392         end = pos + buflen;
3393
3394         if (res < 0) {
3395                 if (strict)
3396                         return 0;
3397                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
3398                 if (len >= buflen)
3399                         return -1;
3400                 return len;
3401         }
3402
3403         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3404                 if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
3405                         ret = os_snprintf(pos, end - pos, "%s%s",
3406                                           pos == buf ? "" : " ",
3407                                           ciphers[i].name);
3408                         if (os_snprintf_error(end - pos, ret))
3409                                 return pos - buf;
3410                         pos += ret;
3411                 }
3412         }
3413
3414         return pos - buf;
3415 }
3416
3417
3418 static int ctrl_iface_get_capability_group(int res, char *strict,
3419                                            struct wpa_driver_capa *capa,
3420                                            char *buf, size_t buflen)
3421 {
3422         int ret;
3423         char *pos, *end;
3424         size_t len;
3425         unsigned int i;
3426
3427         pos = buf;
3428         end = pos + buflen;
3429
3430         if (res < 0) {
3431                 if (strict)
3432                         return 0;
3433                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
3434                 if (len >= buflen)
3435                         return -1;
3436                 return len;
3437         }
3438
3439         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3440                 if (capa->enc & ciphers[i].capa) {
3441                         ret = os_snprintf(pos, end - pos, "%s%s",
3442                                           pos == buf ? "" : " ",
3443                                           ciphers[i].name);
3444                         if (os_snprintf_error(end - pos, ret))
3445                                 return pos - buf;
3446                         pos += ret;
3447                 }
3448         }
3449
3450         return pos - buf;
3451 }
3452
3453
3454 static int ctrl_iface_get_capability_group_mgmt(int res, char *strict,
3455                                                 struct wpa_driver_capa *capa,
3456                                                 char *buf, size_t buflen)
3457 {
3458         int ret;
3459         char *pos, *end;
3460         unsigned int i;
3461
3462         pos = buf;
3463         end = pos + buflen;
3464
3465         if (res < 0)
3466                 return 0;
3467
3468         for (i = 0; i < ARRAY_SIZE(ciphers_group_mgmt); i++) {
3469                 if (capa->enc & ciphers_group_mgmt[i].capa) {
3470                         ret = os_snprintf(pos, end - pos, "%s%s",
3471                                           pos == buf ? "" : " ",
3472                                           ciphers_group_mgmt[i].name);
3473                         if (os_snprintf_error(end - pos, ret))
3474                                 return pos - buf;
3475                         pos += ret;
3476                 }
3477         }
3478
3479         return pos - buf;
3480 }
3481
3482
3483 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
3484                                               struct wpa_driver_capa *capa,
3485                                               char *buf, size_t buflen)
3486 {
3487         int ret;
3488         char *pos, *end;
3489         size_t len;
3490
3491         pos = buf;
3492         end = pos + buflen;
3493
3494         if (res < 0) {
3495                 if (strict)
3496                         return 0;
3497                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
3498                                  "NONE", buflen);
3499                 if (len >= buflen)
3500                         return -1;
3501                 return len;
3502         }
3503
3504         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
3505         if (os_snprintf_error(end - pos, ret))
3506                 return pos - buf;
3507         pos += ret;
3508
3509         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3510                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
3511                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
3512                 if (os_snprintf_error(end - pos, ret))
3513                         return pos - buf;
3514                 pos += ret;
3515         }
3516
3517         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3518                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3519                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
3520                 if (os_snprintf_error(end - pos, ret))
3521                         return pos - buf;
3522                 pos += ret;
3523         }
3524
3525         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
3526                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
3527                 if (os_snprintf_error(end - pos, ret))
3528                         return pos - buf;
3529                 pos += ret;
3530         }
3531
3532 #ifdef CONFIG_SUITEB
3533         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B) {
3534                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B");
3535                 if (os_snprintf_error(end - pos, ret))
3536                         return pos - buf;
3537                 pos += ret;
3538         }
3539 #endif /* CONFIG_SUITEB */
3540 #ifdef CONFIG_SUITEB192
3541         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192) {
3542                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B-192");
3543                 if (os_snprintf_error(end - pos, ret))
3544                         return pos - buf;
3545                 pos += ret;
3546         }
3547 #endif /* CONFIG_SUITEB192 */
3548
3549         return pos - buf;
3550 }
3551
3552
3553 static int ctrl_iface_get_capability_proto(int res, char *strict,
3554                                            struct wpa_driver_capa *capa,
3555                                            char *buf, size_t buflen)
3556 {
3557         int ret;
3558         char *pos, *end;
3559         size_t len;
3560
3561         pos = buf;
3562         end = pos + buflen;
3563
3564         if (res < 0) {
3565                 if (strict)
3566                         return 0;
3567                 len = os_strlcpy(buf, "RSN WPA", buflen);
3568                 if (len >= buflen)
3569                         return -1;
3570                 return len;
3571         }
3572
3573         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3574                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3575                 ret = os_snprintf(pos, end - pos, "%sRSN",
3576                                   pos == buf ? "" : " ");
3577                 if (os_snprintf_error(end - pos, ret))
3578                         return pos - buf;
3579                 pos += ret;
3580         }
3581
3582         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3583                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
3584                 ret = os_snprintf(pos, end - pos, "%sWPA",
3585                                   pos == buf ? "" : " ");
3586                 if (os_snprintf_error(end - pos, ret))
3587                         return pos - buf;
3588                 pos += ret;
3589         }
3590
3591         return pos - buf;
3592 }
3593
3594
3595 static int ctrl_iface_get_capability_auth_alg(struct wpa_supplicant *wpa_s,
3596                                               int res, char *strict,
3597                                               struct wpa_driver_capa *capa,
3598                                               char *buf, size_t buflen)
3599 {
3600         int ret;
3601         char *pos, *end;
3602         size_t len;
3603
3604         pos = buf;
3605         end = pos + buflen;
3606
3607         if (res < 0) {
3608                 if (strict)
3609                         return 0;
3610                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3611                 if (len >= buflen)
3612                         return -1;
3613                 return len;
3614         }
3615
3616         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3617                 ret = os_snprintf(pos, end - pos, "%sOPEN",
3618                                   pos == buf ? "" : " ");
3619                 if (os_snprintf_error(end - pos, ret))
3620                         return pos - buf;
3621                 pos += ret;
3622         }
3623
3624         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
3625                 ret = os_snprintf(pos, end - pos, "%sSHARED",
3626                                   pos == buf ? "" : " ");
3627                 if (os_snprintf_error(end - pos, ret))
3628                         return pos - buf;
3629                 pos += ret;
3630         }
3631
3632         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3633                 ret = os_snprintf(pos, end - pos, "%sLEAP",
3634                                   pos == buf ? "" : " ");
3635                 if (os_snprintf_error(end - pos, ret))
3636                         return pos - buf;
3637                 pos += ret;
3638         }
3639
3640 #ifdef CONFIG_SAE
3641         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE) {
3642                 ret = os_snprintf(pos, end - pos, "%sSAE",
3643                                   pos == buf ? "" : " ");
3644                 if (os_snprintf_error(end - pos, ret))
3645                         return pos - buf;
3646                 pos += ret;
3647         }
3648 #endif /* CONFIG_SAE */
3649
3650         return pos - buf;
3651 }
3652
3653
3654 static int ctrl_iface_get_capability_modes(int res, char *strict,
3655                                            struct wpa_driver_capa *capa,
3656                                            char *buf, size_t buflen)
3657 {
3658         int ret;
3659         char *pos, *end;
3660         size_t len;
3661
3662         pos = buf;
3663         end = pos + buflen;
3664
3665         if (res < 0) {
3666                 if (strict)
3667                         return 0;
3668                 len = os_strlcpy(buf, "IBSS AP", buflen);
3669                 if (len >= buflen)
3670                         return -1;
3671                 return len;
3672         }
3673
3674         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3675                 ret = os_snprintf(pos, end - pos, "%sIBSS",
3676                                   pos == buf ? "" : " ");
3677                 if (os_snprintf_error(end - pos, ret))
3678                         return pos - buf;
3679                 pos += ret;
3680         }
3681
3682         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3683                 ret = os_snprintf(pos, end - pos, "%sAP",
3684                                   pos == buf ? "" : " ");
3685                 if (os_snprintf_error(end - pos, ret))
3686                         return pos - buf;
3687                 pos += ret;
3688         }
3689
3690 #ifdef CONFIG_MESH
3691         if (capa->flags & WPA_DRIVER_FLAGS_MESH) {
3692                 ret = os_snprintf(pos, end - pos, "%sMESH",
3693                                   pos == buf ? "" : " ");
3694                 if (os_snprintf_error(end - pos, ret))
3695                         return pos - buf;
3696                 pos += ret;
3697         }
3698 #endif /* CONFIG_MESH */
3699
3700         return pos - buf;
3701 }
3702
3703
3704 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3705                                               char *buf, size_t buflen)
3706 {
3707         struct hostapd_channel_data *chnl;
3708         int ret, i, j;
3709         char *pos, *end, *hmode;
3710
3711         pos = buf;
3712         end = pos + buflen;
3713
3714         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3715                 switch (wpa_s->hw.modes[j].mode) {
3716                 case HOSTAPD_MODE_IEEE80211B:
3717                         hmode = "B";
3718                         break;
3719                 case HOSTAPD_MODE_IEEE80211G:
3720                         hmode = "G";
3721                         break;
3722                 case HOSTAPD_MODE_IEEE80211A:
3723                         hmode = "A";
3724                         break;
3725                 case HOSTAPD_MODE_IEEE80211AD:
3726                         hmode = "AD";
3727                         break;
3728                 default:
3729                         continue;
3730                 }
3731                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3732                 if (os_snprintf_error(end - pos, ret))
3733                         return pos - buf;
3734                 pos += ret;
3735                 chnl = wpa_s->hw.modes[j].channels;
3736                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3737                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3738                                 continue;
3739                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3740                         if (os_snprintf_error(end - pos, ret))
3741                                 return pos - buf;
3742                         pos += ret;
3743                 }
3744                 ret = os_snprintf(pos, end - pos, "\n");
3745                 if (os_snprintf_error(end - pos, ret))
3746                         return pos - buf;
3747                 pos += ret;
3748         }
3749
3750         return pos - buf;
3751 }
3752
3753
3754 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3755                                           char *buf, size_t buflen)
3756 {
3757         struct hostapd_channel_data *chnl;
3758         int ret, i, j;
3759         char *pos, *end, *hmode;
3760
3761         pos = buf;
3762         end = pos + buflen;
3763
3764         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3765                 switch (wpa_s->hw.modes[j].mode) {
3766                 case HOSTAPD_MODE_IEEE80211B:
3767                         hmode = "B";
3768                         break;
3769                 case HOSTAPD_MODE_IEEE80211G:
3770                         hmode = "G";
3771                         break;
3772                 case HOSTAPD_MODE_IEEE80211A:
3773                         hmode = "A";
3774                         break;
3775                 case HOSTAPD_MODE_IEEE80211AD:
3776                         hmode = "AD";
3777                         break;
3778                 default:
3779                         continue;
3780                 }
3781                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3782                                   hmode);
3783                 if (os_snprintf_error(end - pos, ret))
3784                         return pos - buf;
3785                 pos += ret;
3786                 chnl = wpa_s->hw.modes[j].channels;
3787                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3788                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3789                                 continue;
3790                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s%s\n",
3791                                           chnl[i].chan, chnl[i].freq,
3792                                           chnl[i].flag & HOSTAPD_CHAN_NO_IR ?
3793                                           " (NO_IR)" : "",
3794                                           chnl[i].flag & HOSTAPD_CHAN_RADAR ?
3795                                           " (DFS)" : "");
3796
3797                         if (os_snprintf_error(end - pos, ret))
3798                                 return pos - buf;
3799                         pos += ret;
3800                 }
3801                 ret = os_snprintf(pos, end - pos, "\n");
3802                 if (os_snprintf_error(end - pos, ret))
3803                         return pos - buf;
3804                 pos += ret;
3805         }
3806
3807         return pos - buf;
3808 }
3809
3810
3811 static int wpa_supplicant_ctrl_iface_get_capability(
3812         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3813         size_t buflen)
3814 {
3815         struct wpa_driver_capa capa;
3816         int res;
3817         char *strict;
3818         char field[30];
3819         size_t len;
3820
3821         /* Determine whether or not strict checking was requested */
3822         len = os_strlcpy(field, _field, sizeof(field));
3823         if (len >= sizeof(field))
3824                 return -1;
3825         strict = os_strchr(field, ' ');
3826         if (strict != NULL) {
3827                 *strict++ = '\0';
3828                 if (os_strcmp(strict, "strict") != 0)
3829                         return -1;
3830         }
3831
3832         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3833                 field, strict ? strict : "");
3834
3835         if (os_strcmp(field, "eap") == 0) {
3836                 return eap_get_names(buf, buflen);
3837         }
3838
3839         res = wpa_drv_get_capa(wpa_s, &capa);
3840
3841         if (os_strcmp(field, "pairwise") == 0)
3842                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3843                                                           buf, buflen);
3844
3845         if (os_strcmp(field, "group") == 0)
3846                 return ctrl_iface_get_capability_group(res, strict, &capa,
3847                                                        buf, buflen);
3848
3849         if (os_strcmp(field, "group_mgmt") == 0)
3850                 return ctrl_iface_get_capability_group_mgmt(res, strict, &capa,
3851                                                             buf, buflen);
3852
3853         if (os_strcmp(field, "key_mgmt") == 0)
3854                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3855                                                           buf, buflen);
3856
3857         if (os_strcmp(field, "proto") == 0)
3858                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3859                                                        buf, buflen);
3860
3861         if (os_strcmp(field, "auth_alg") == 0)
3862                 return ctrl_iface_get_capability_auth_alg(wpa_s, res, strict,
3863                                                           &capa, buf, buflen);
3864
3865         if (os_strcmp(field, "modes") == 0)
3866                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3867                                                        buf, buflen);
3868
3869         if (os_strcmp(field, "channels") == 0)
3870                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3871
3872         if (os_strcmp(field, "freq") == 0)
3873                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3874
3875 #ifdef CONFIG_TDLS
3876         if (os_strcmp(field, "tdls") == 0)
3877                 return ctrl_iface_get_capability_tdls(wpa_s, buf, buflen);
3878 #endif /* CONFIG_TDLS */
3879
3880 #ifdef CONFIG_ERP
3881         if (os_strcmp(field, "erp") == 0) {
3882                 res = os_snprintf(buf, buflen, "ERP");
3883                 if (os_snprintf_error(buflen, res))
3884                         return -1;
3885                 return res;
3886         }
3887 #endif /* CONFIG_EPR */
3888
3889         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3890                    field);
3891
3892         return -1;
3893 }
3894
3895
3896 #ifdef CONFIG_INTERWORKING
3897 static char * anqp_add_hex(char *pos, char *end, const char *title,
3898                            struct wpabuf *data)
3899 {
3900         char *start = pos;
3901         size_t i;
3902         int ret;
3903         const u8 *d;
3904
3905         if (data == NULL)
3906                 return start;
3907
3908         ret = os_snprintf(pos, end - pos, "%s=", title);
3909         if (os_snprintf_error(end - pos, ret))
3910                 return start;
3911         pos += ret;
3912
3913         d = wpabuf_head_u8(data);
3914         for (i = 0; i < wpabuf_len(data); i++) {
3915                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3916                 if (os_snprintf_error(end - pos, ret))
3917                         return start;
3918                 pos += ret;
3919         }
3920
3921         ret = os_snprintf(pos, end - pos, "\n");
3922         if (os_snprintf_error(end - pos, ret))
3923                 return start;
3924         pos += ret;
3925
3926         return pos;
3927 }
3928 #endif /* CONFIG_INTERWORKING */
3929
3930
3931 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3932                           unsigned long mask, char *buf, size_t buflen)
3933 {
3934         size_t i;
3935         int ret;
3936         char *pos, *end;
3937         const u8 *ie, *ie2;
3938
3939         pos = buf;
3940         end = buf + buflen;
3941
3942         if (mask & WPA_BSS_MASK_ID) {
3943                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3944                 if (os_snprintf_error(end - pos, ret))
3945                         return 0;
3946                 pos += ret;
3947         }
3948
3949         if (mask & WPA_BSS_MASK_BSSID) {
3950                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3951                                   MAC2STR(bss->bssid));
3952                 if (os_snprintf_error(end - pos, ret))
3953                         return 0;
3954                 pos += ret;
3955         }
3956
3957         if (mask & WPA_BSS_MASK_FREQ) {
3958                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
3959                 if (os_snprintf_error(end - pos, ret))
3960                         return 0;
3961                 pos += ret;
3962         }
3963
3964         if (mask & WPA_BSS_MASK_BEACON_INT) {
3965                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
3966                                   bss->beacon_int);
3967                 if (os_snprintf_error(end - pos, ret))
3968                         return 0;
3969                 pos += ret;
3970         }
3971
3972         if (mask & WPA_BSS_MASK_CAPABILITIES) {
3973                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
3974                                   bss->caps);
3975                 if (os_snprintf_error(end - pos, ret))
3976                         return 0;
3977                 pos += ret;
3978         }
3979
3980         if (mask & WPA_BSS_MASK_QUAL) {
3981                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
3982                 if (os_snprintf_error(end - pos, ret))
3983                         return 0;
3984                 pos += ret;
3985         }
3986
3987         if (mask & WPA_BSS_MASK_NOISE) {
3988                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3989                 if (os_snprintf_error(end - pos, ret))
3990                         return 0;
3991                 pos += ret;
3992         }
3993
3994         if (mask & WPA_BSS_MASK_LEVEL) {
3995                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3996                 if (os_snprintf_error(end - pos, ret))
3997                         return 0;
3998                 pos += ret;
3999         }
4000
4001         if (mask & WPA_BSS_MASK_TSF) {
4002                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
4003                                   (unsigned long long) bss->tsf);
4004                 if (os_snprintf_error(end - pos, ret))
4005                         return 0;
4006                 pos += ret;
4007         }
4008
4009         if (mask & WPA_BSS_MASK_AGE) {
4010                 struct os_reltime now;
4011
4012                 os_get_reltime(&now);
4013                 ret = os_snprintf(pos, end - pos, "age=%d\n",
4014                                   (int) (now.sec - bss->last_update.sec));
4015                 if (os_snprintf_error(end - pos, ret))
4016                         return 0;
4017                 pos += ret;
4018         }
4019
4020         if (mask & WPA_BSS_MASK_IE) {
4021                 ret = os_snprintf(pos, end - pos, "ie=");
4022                 if (os_snprintf_error(end - pos, ret))
4023                         return 0;
4024                 pos += ret;
4025
4026                 ie = (const u8 *) (bss + 1);
4027                 for (i = 0; i < bss->ie_len; i++) {
4028                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
4029                         if (os_snprintf_error(end - pos, ret))
4030                                 return 0;
4031                         pos += ret;
4032                 }
4033
4034                 ret = os_snprintf(pos, end - pos, "\n");
4035                 if (os_snprintf_error(end - pos, ret))
4036                         return 0;
4037                 pos += ret;
4038         }
4039
4040         if (mask & WPA_BSS_MASK_FLAGS) {
4041                 ret = os_snprintf(pos, end - pos, "flags=");
4042                 if (os_snprintf_error(end - pos, ret))
4043                         return 0;
4044                 pos += ret;
4045
4046                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
4047                 if (ie)
4048                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
4049                                                     2 + ie[1]);
4050                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
4051                 if (ie2)
4052                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
4053                                                     2 + ie2[1]);
4054                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
4055                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
4056                         ret = os_snprintf(pos, end - pos, "[WEP]");
4057                         if (os_snprintf_error(end - pos, ret))
4058                                 return 0;
4059                         pos += ret;
4060                 }
4061                 if (bss_is_dmg(bss)) {
4062                         const char *s;
4063                         ret = os_snprintf(pos, end - pos, "[DMG]");
4064                         if (os_snprintf_error(end - pos, ret))
4065                                 return 0;
4066                         pos += ret;
4067                         switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
4068                         case IEEE80211_CAP_DMG_IBSS:
4069                                 s = "[IBSS]";
4070                                 break;
4071                         case IEEE80211_CAP_DMG_AP:
4072                                 s = "[ESS]";
4073                                 break;
4074                         case IEEE80211_CAP_DMG_PBSS:
4075                                 s = "[PBSS]";
4076                                 break;
4077                         default:
4078                                 s = "";
4079                                 break;
4080                         }
4081                         ret = os_snprintf(pos, end - pos, "%s", s);
4082                         if (os_snprintf_error(end - pos, ret))
4083                                 return 0;
4084                         pos += ret;
4085                 } else {
4086                         if (bss->caps & IEEE80211_CAP_IBSS) {
4087                                 ret = os_snprintf(pos, end - pos, "[IBSS]");
4088                                 if (os_snprintf_error(end - pos, ret))
4089                                         return 0;
4090                                 pos += ret;
4091                         }
4092                         if (bss->caps & IEEE80211_CAP_ESS) {
4093                                 ret = os_snprintf(pos, end - pos, "[ESS]");
4094                                 if (os_snprintf_error(end - pos, ret))
4095                                         return 0;
4096                                 pos += ret;
4097                         }
4098                 }
4099                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
4100                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
4101                         ret = os_snprintf(pos, end - pos, "[P2P]");
4102                         if (os_snprintf_error(end - pos, ret))
4103                                 return 0;
4104                         pos += ret;
4105                 }
4106 #ifdef CONFIG_HS20
4107                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
4108                         ret = os_snprintf(pos, end - pos, "[HS20]");
4109                         if (os_snprintf_error(end - pos, ret))
4110                                 return 0;
4111                         pos += ret;
4112                 }
4113 #endif /* CONFIG_HS20 */
4114
4115                 ret = os_snprintf(pos, end - pos, "\n");
4116                 if (os_snprintf_error(end - pos, ret))
4117                         return 0;
4118                 pos += ret;
4119         }
4120
4121         if (mask & WPA_BSS_MASK_SSID) {
4122                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
4123                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
4124                 if (os_snprintf_error(end - pos, ret))
4125                         return 0;
4126                 pos += ret;
4127         }
4128
4129 #ifdef CONFIG_WPS
4130         if (mask & WPA_BSS_MASK_WPS_SCAN) {
4131                 ie = (const u8 *) (bss + 1);
4132                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
4133                 if (ret < 0 || ret >= end - pos)
4134                         return 0;
4135                 pos += ret;
4136         }
4137 #endif /* CONFIG_WPS */
4138
4139 #ifdef CONFIG_P2P
4140         if (mask & WPA_BSS_MASK_P2P_SCAN) {
4141                 ie = (const u8 *) (bss + 1);
4142                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
4143                 if (ret < 0 || ret >= end - pos)
4144                         return 0;
4145                 pos += ret;
4146         }
4147 #endif /* CONFIG_P2P */
4148
4149 #ifdef CONFIG_WIFI_DISPLAY
4150         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
4151                 struct wpabuf *wfd;
4152                 ie = (const u8 *) (bss + 1);
4153                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
4154                                                   WFD_IE_VENDOR_TYPE);
4155                 if (wfd) {
4156                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
4157                         if (os_snprintf_error(end - pos, ret)) {
4158                                 wpabuf_free(wfd);
4159                                 return 0;
4160                         }
4161                         pos += ret;
4162
4163                         pos += wpa_snprintf_hex(pos, end - pos,
4164                                                 wpabuf_head(wfd),
4165                                                 wpabuf_len(wfd));
4166                         wpabuf_free(wfd);
4167
4168                         ret = os_snprintf(pos, end - pos, "\n");
4169                         if (os_snprintf_error(end - pos, ret))
4170                                 return 0;
4171                         pos += ret;
4172                 }
4173         }
4174 #endif /* CONFIG_WIFI_DISPLAY */
4175
4176 #ifdef CONFIG_INTERWORKING
4177         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
4178                 struct wpa_bss_anqp *anqp = bss->anqp;
4179                 pos = anqp_add_hex(pos, end, "anqp_capability_list",
4180                                    anqp->capability_list);
4181                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
4182                                    anqp->venue_name);
4183                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
4184                                    anqp->network_auth_type);
4185                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
4186                                    anqp->roaming_consortium);
4187                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
4188                                    anqp->ip_addr_type_availability);
4189                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
4190                                    anqp->nai_realm);
4191                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
4192                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
4193                                    anqp->domain_name);
4194 #ifdef CONFIG_HS20
4195                 pos = anqp_add_hex(pos, end, "hs20_capability_list",
4196                                    anqp->hs20_capability_list);
4197                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
4198                                    anqp->hs20_operator_friendly_name);
4199                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
4200                                    anqp->hs20_wan_metrics);
4201                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
4202                                    anqp->hs20_connection_capability);
4203                 pos = anqp_add_hex(pos, end, "hs20_operating_class",
4204                                    anqp->hs20_operating_class);
4205                 pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
4206                                    anqp->hs20_osu_providers_list);
4207 #endif /* CONFIG_HS20 */
4208         }
4209 #endif /* CONFIG_INTERWORKING */
4210
4211 #ifdef CONFIG_MESH
4212         if (mask & WPA_BSS_MASK_MESH_SCAN) {
4213                 ie = (const u8 *) (bss + 1);
4214                 ret = wpas_mesh_scan_result_text(ie, bss->ie_len, pos, end);
4215                 if (ret < 0 || ret >= end - pos)
4216                         return 0;
4217                 pos += ret;
4218         }
4219 #endif /* CONFIG_MESH */
4220
4221         if (mask & WPA_BSS_MASK_SNR) {
4222                 ret = os_snprintf(pos, end - pos, "snr=%d\n", bss->snr);
4223                 if (os_snprintf_error(end - pos, ret))
4224                         return 0;
4225                 pos += ret;
4226         }
4227
4228         if (mask & WPA_BSS_MASK_EST_THROUGHPUT) {
4229                 ret = os_snprintf(pos, end - pos, "est_throughput=%d\n",
4230                                   bss->est_throughput);
4231                 if (os_snprintf_error(end - pos, ret))
4232                         return 0;
4233                 pos += ret;
4234         }
4235
4236         if (mask & WPA_BSS_MASK_DELIM) {
4237                 ret = os_snprintf(pos, end - pos, "====\n");
4238                 if (os_snprintf_error(end - pos, ret))
4239                         return 0;
4240                 pos += ret;
4241         }
4242
4243         return pos - buf;
4244 }
4245
4246
4247 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
4248                                          const char *cmd, char *buf,
4249                                          size_t buflen)
4250 {
4251         u8 bssid[ETH_ALEN];
4252         size_t i;
4253         struct wpa_bss *bss;
4254         struct wpa_bss *bsslast = NULL;
4255         struct dl_list *next;
4256         int ret = 0;
4257         int len;
4258         char *ctmp, *end = buf + buflen;
4259         unsigned long mask = WPA_BSS_MASK_ALL;
4260
4261         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
4262                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
4263                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
4264                                             list_id);
4265                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
4266                                                list_id);
4267                 } else { /* N1-N2 */
4268                         unsigned int id1, id2;
4269
4270                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
4271                                 wpa_printf(MSG_INFO, "Wrong BSS range "
4272                                            "format");
4273                                 return 0;
4274                         }
4275
4276                         if (*(cmd + 6) == '-')
4277                                 id1 = 0;
4278                         else
4279                                 id1 = atoi(cmd + 6);
4280                         ctmp++;
4281                         if (*ctmp >= '0' && *ctmp <= '9')
4282                                 id2 = atoi(ctmp);
4283                         else
4284                                 id2 = (unsigned int) -1;
4285                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
4286                         if (id2 == (unsigned int) -1)
4287                                 bsslast = dl_list_last(&wpa_s->bss_id,
4288                                                        struct wpa_bss,
4289                                                        list_id);
4290                         else {
4291                                 bsslast = wpa_bss_get_id(wpa_s, id2);
4292                                 if (bsslast == NULL && bss && id2 > id1) {
4293                                         struct wpa_bss *tmp = bss;
4294                                         for (;;) {
4295                                                 next = tmp->list_id.next;
4296                                                 if (next == &wpa_s->bss_id)
4297                                                         break;
4298                                                 tmp = dl_list_entry(
4299                                                         next, struct wpa_bss,
4300                                                         list_id);
4301                                                 if (tmp->id > id2)
4302                                                         break;
4303                                                 bsslast = tmp;
4304                                         }
4305                                 }
4306                         }
4307                 }
4308         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
4309                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
4310         else if (os_strncmp(cmd, "LAST", 4) == 0)
4311                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
4312         else if (os_strncmp(cmd, "ID-", 3) == 0) {
4313                 i = atoi(cmd + 3);
4314                 bss = wpa_bss_get_id(wpa_s, i);
4315         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4316                 i = atoi(cmd + 5);
4317                 bss = wpa_bss_get_id(wpa_s, i);
4318                 if (bss) {
4319                         next = bss->list_id.next;
4320                         if (next == &wpa_s->bss_id)
4321                                 bss = NULL;
4322                         else
4323                                 bss = dl_list_entry(next, struct wpa_bss,
4324                                                     list_id);
4325                 }
4326 #ifdef CONFIG_P2P
4327         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
4328                 if (hwaddr_aton(cmd + 13, bssid) == 0)
4329                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
4330                 else
4331                         bss = NULL;
4332 #endif /* CONFIG_P2P */
4333         } else if (hwaddr_aton(cmd, bssid) == 0)
4334                 bss = wpa_bss_get_bssid(wpa_s, bssid);
4335         else {
4336                 struct wpa_bss *tmp;
4337                 i = atoi(cmd);
4338                 bss = NULL;
4339                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
4340                 {
4341                         if (i-- == 0) {
4342                                 bss = tmp;
4343                                 break;
4344                         }
4345                 }
4346         }
4347
4348         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
4349                 mask = strtoul(ctmp + 5, NULL, 0x10);
4350                 if (mask == 0)
4351                         mask = WPA_BSS_MASK_ALL;
4352         }
4353
4354         if (bss == NULL)
4355                 return 0;
4356
4357         if (bsslast == NULL)
4358                 bsslast = bss;
4359         do {
4360                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
4361                 ret += len;
4362                 buf += len;
4363                 buflen -= len;
4364                 if (bss == bsslast) {
4365                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
4366                             (bss == dl_list_last(&wpa_s->bss_id,
4367                                                  struct wpa_bss, list_id))) {
4368                                 int res;
4369
4370                                 res = os_snprintf(buf - 5, end - buf + 5,
4371                                                   "####\n");
4372                                 if (os_snprintf_error(end - buf + 5, res)) {
4373                                         wpa_printf(MSG_DEBUG,
4374                                                    "Could not add end delim");
4375                                 }
4376                         }
4377                         break;
4378                 }
4379                 next = bss->list_id.next;
4380                 if (next == &wpa_s->bss_id)
4381                         break;
4382                 bss = dl_list_entry(next, struct wpa_bss, list_id);
4383         } while (bss && len);
4384
4385         return ret;
4386 }
4387
4388
4389 static int wpa_supplicant_ctrl_iface_ap_scan(
4390         struct wpa_supplicant *wpa_s, char *cmd)
4391 {
4392         int ap_scan = atoi(cmd);
4393         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
4394 }
4395
4396
4397 static int wpa_supplicant_ctrl_iface_scan_interval(
4398         struct wpa_supplicant *wpa_s, char *cmd)
4399 {
4400         int scan_int = atoi(cmd);
4401         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
4402 }
4403
4404
4405 static int wpa_supplicant_ctrl_iface_bss_expire_age(
4406         struct wpa_supplicant *wpa_s, char *cmd)
4407 {
4408         int expire_age = atoi(cmd);
4409         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
4410 }
4411
4412
4413 static int wpa_supplicant_ctrl_iface_bss_expire_count(
4414         struct wpa_supplicant *wpa_s, char *cmd)
4415 {
4416         int expire_count = atoi(cmd);
4417         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
4418 }
4419
4420
4421 static void wpa_supplicant_ctrl_iface_bss_flush(
4422         struct wpa_supplicant *wpa_s, char *cmd)
4423 {
4424         int flush_age = atoi(cmd);
4425
4426         if (flush_age == 0)
4427                 wpa_bss_flush(wpa_s);
4428         else
4429                 wpa_bss_flush_by_age(wpa_s, flush_age);
4430 }
4431
4432
4433 #ifdef CONFIG_TESTING_OPTIONS
4434 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
4435 {
4436         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
4437         /* MLME-DELETEKEYS.request */
4438         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
4439         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
4440         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
4441         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
4442 #ifdef CONFIG_IEEE80211W
4443         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
4444         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
4445 #endif /* CONFIG_IEEE80211W */
4446
4447         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
4448                         0);
4449         /* MLME-SETPROTECTION.request(None) */
4450         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
4451                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
4452                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
4453         wpa_sm_drop_sa(wpa_s->wpa);
4454 }
4455 #endif /* CONFIG_TESTING_OPTIONS */
4456
4457
4458 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
4459                                           char *addr)
4460 {
4461 #ifdef CONFIG_NO_SCAN_PROCESSING
4462         return -1;
4463 #else /* CONFIG_NO_SCAN_PROCESSING */
4464         u8 bssid[ETH_ALEN];
4465         struct wpa_bss *bss;
4466         struct wpa_ssid *ssid = wpa_s->current_ssid;
4467
4468         if (hwaddr_aton(addr, bssid)) {
4469                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
4470                            "address '%s'", addr);
4471                 return -1;
4472         }
4473
4474         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
4475
4476         if (!ssid) {
4477                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
4478                            "configuration known for the target AP");
4479                 return -1;
4480         }
4481
4482         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
4483         if (!bss) {
4484                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
4485                            "from BSS table");
4486                 return -1;
4487         }
4488
4489         /*
4490          * TODO: Find best network configuration block from configuration to
4491          * allow roaming to other networks
4492          */
4493
4494         wpa_s->reassociate = 1;
4495         wpa_supplicant_connect(wpa_s, bss, ssid);
4496
4497         return 0;
4498 #endif /* CONFIG_NO_SCAN_PROCESSING */
4499 }
4500
4501
4502 #ifdef CONFIG_P2P
4503 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
4504 {
4505         unsigned int timeout = atoi(cmd);
4506         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
4507         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
4508         u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
4509         char *pos;
4510         unsigned int search_delay;
4511         const char *seek[P2P_MAX_QUERY_HASH + 1];
4512         u8 seek_count = 0;
4513         int freq = 0;
4514
4515         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4516                 wpa_dbg(wpa_s, MSG_INFO,
4517                         "Reject P2P_FIND since interface is disabled");
4518                 return -1;
4519         }
4520         if (os_strstr(cmd, "type=social"))
4521                 type = P2P_FIND_ONLY_SOCIAL;
4522         else if (os_strstr(cmd, "type=progressive"))
4523                 type = P2P_FIND_PROGRESSIVE;
4524
4525         pos = os_strstr(cmd, "dev_id=");
4526         if (pos) {
4527                 pos += 7;
4528                 if (hwaddr_aton(pos, dev_id))
4529                         return -1;
4530                 _dev_id = dev_id;
4531         }
4532
4533         pos = os_strstr(cmd, "dev_type=");
4534         if (pos) {
4535                 pos += 9;
4536                 if (wps_dev_type_str2bin(pos, dev_type) < 0)
4537                         return -1;
4538                 _dev_type = dev_type;
4539         }
4540
4541         pos = os_strstr(cmd, "delay=");
4542         if (pos) {
4543                 pos += 6;
4544                 search_delay = atoi(pos);
4545         } else
4546                 search_delay = wpas_p2p_search_delay(wpa_s);
4547
4548         /* Must be searched for last, because it adds nul termination */
4549         pos = os_strstr(cmd, " seek=");
4550         while (pos && seek_count < P2P_MAX_QUERY_HASH + 1) {
4551                 char *term;
4552
4553                 term = os_strchr(pos + 1, ' ');
4554                 seek[seek_count++] = pos + 6;
4555                 pos = os_strstr(pos + 6, " seek=");
4556
4557                 if (term)
4558                         *term = '\0';
4559         }
4560
4561         pos = os_strstr(cmd, "freq=");
4562         if (pos) {
4563                 pos += 5;
4564                 freq = atoi(pos);
4565                 if (freq <= 0)
4566                         return -1;
4567         }
4568
4569         if (!seek_count)
4570                 return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL,
4571                                      _dev_type, _dev_id,
4572                                      search_delay, 0, NULL, freq);
4573
4574         if (seek_count > P2P_MAX_QUERY_HASH) {
4575                 seek[0] = NULL;
4576                 return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL,
4577                                      _dev_type, _dev_id,
4578                                      search_delay, 1, seek, freq);
4579         }
4580
4581         return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
4582                              _dev_id, search_delay, seek_count, seek, freq);
4583 }
4584
4585
4586 static struct p2ps_provision * p2p_parse_asp_provision_cmd(const char *cmd)
4587 {
4588         struct p2ps_provision *p2ps_prov;
4589         char *pos;
4590         size_t info_len = 0;
4591         char *info = NULL;
4592         u8 role = P2PS_SETUP_NONE;
4593         long long unsigned val;
4594
4595         pos = os_strstr(cmd, "info=");
4596         if (pos) {
4597                 pos += 5;
4598                 info_len = os_strlen(pos);
4599
4600                 if (info_len) {
4601                         info = os_malloc(info_len + 1);
4602                         if (info) {
4603                                 info_len = utf8_unescape(pos, info_len,
4604                                                          info, info_len + 1);
4605                         } else
4606                                 info_len = 0;
4607                 }
4608         }
4609
4610         p2ps_prov = os_zalloc(sizeof(struct p2ps_provision) + info_len + 1);
4611         if (p2ps_prov == NULL) {
4612                 os_free(info);
4613                 return NULL;
4614         }
4615
4616         if (info) {
4617                 os_memcpy(p2ps_prov->info, info, info_len);
4618                 p2ps_prov->info[info_len] = '\0';
4619                 os_free(info);
4620         }
4621
4622         pos = os_strstr(cmd, "status=");
4623         if (pos)
4624                 p2ps_prov->status = atoi(pos + 7);
4625         else
4626                 p2ps_prov->status = -1;
4627
4628         pos = os_strstr(cmd, "adv_id=");
4629         if (!pos || sscanf(pos + 7, "%llx", &val) != 1 || val > 0xffffffffULL)
4630                 goto invalid_args;
4631         p2ps_prov->adv_id = val;
4632
4633         pos = os_strstr(cmd, "method=");
4634         if (pos)
4635                 p2ps_prov->method = strtol(pos + 7, NULL, 16);
4636         else
4637                 p2ps_prov->method = 0;
4638
4639         pos = os_strstr(cmd, "session=");
4640         if (!pos || sscanf(pos + 8, "%llx", &val) != 1 || val > 0xffffffffULL)
4641                 goto invalid_args;
4642         p2ps_prov->session_id = val;
4643
4644         pos = os_strstr(cmd, "adv_mac=");
4645         if (!pos || hwaddr_aton(pos + 8, p2ps_prov->adv_mac))
4646                 goto invalid_args;
4647
4648         pos = os_strstr(cmd, "session_mac=");
4649         if (!pos || hwaddr_aton(pos + 12, p2ps_prov->session_mac))
4650                 goto invalid_args;
4651
4652         /* force conncap with tstCap (no sanity checks) */
4653         pos = os_strstr(cmd, "tstCap=");
4654         if (pos) {
4655                 role = strtol(pos + 7, NULL, 16);
4656         } else {
4657                 pos = os_strstr(cmd, "role=");
4658                 if (pos) {
4659                         role = strtol(pos + 5, NULL, 16);
4660                         if (role != P2PS_SETUP_CLIENT &&
4661                             role != P2PS_SETUP_GROUP_OWNER)
4662                                 role = P2PS_SETUP_NONE;
4663                 }
4664         }
4665         p2ps_prov->role = role;
4666
4667         return p2ps_prov;
4668
4669 invalid_args:
4670         os_free(p2ps_prov);
4671         return NULL;
4672 }
4673
4674
4675 static int p2p_ctrl_asp_provision_resp(struct wpa_supplicant *wpa_s, char *cmd)
4676 {
4677         u8 addr[ETH_ALEN];
4678         struct p2ps_provision *p2ps_prov;
4679         char *pos;
4680
4681         /* <addr> id=<adv_id> [role=<conncap>] [info=<infodata>] */
4682
4683         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4684
4685         if (hwaddr_aton(cmd, addr))
4686                 return -1;
4687
4688         pos = cmd + 17;
4689         if (*pos != ' ')
4690                 return -1;
4691
4692         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4693         if (!p2ps_prov)
4694                 return -1;
4695
4696         if (p2ps_prov->status < 0) {
4697                 os_free(p2ps_prov);
4698                 return -1;
4699         }
4700
4701         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4702                                   p2ps_prov);
4703 }
4704
4705
4706 static int p2p_ctrl_asp_provision(struct wpa_supplicant *wpa_s, char *cmd)
4707 {
4708         u8 addr[ETH_ALEN];
4709         struct p2ps_provision *p2ps_prov;
4710         char *pos;
4711
4712         /* <addr> id=<adv_id> adv_mac=<adv_mac> conncap=<conncap>
4713          *        session=<ses_id> mac=<ses_mac> [info=<infodata>]
4714          */
4715
4716         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4717         if (hwaddr_aton(cmd, addr))
4718                 return -1;
4719
4720         pos = cmd + 17;
4721         if (*pos != ' ')
4722                 return -1;
4723
4724         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4725         if (!p2ps_prov)
4726                 return -1;
4727
4728         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4729                                   p2ps_prov);
4730 }
4731
4732
4733 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
4734                             char *buf, size_t buflen)
4735 {
4736         u8 addr[ETH_ALEN];
4737         char *pos, *pos2;
4738         char *pin = NULL;
4739         enum p2p_wps_method wps_method;
4740         int new_pin;
4741         int ret;
4742         int persistent_group, persistent_id = -1;
4743         int join;
4744         int auth;
4745         int automatic;
4746         int go_intent = -1;
4747         int freq = 0;
4748         int pd;
4749         int ht40, vht;
4750
4751         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad|p2ps]
4752          * [persistent|persistent=<network id>]
4753          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
4754          * [ht40] [vht] [auto] */
4755
4756         if (hwaddr_aton(cmd, addr))
4757                 return -1;
4758
4759         pos = cmd + 17;
4760         if (*pos != ' ')
4761                 return -1;
4762         pos++;
4763
4764         persistent_group = os_strstr(pos, " persistent") != NULL;
4765         pos2 = os_strstr(pos, " persistent=");
4766         if (pos2) {
4767                 struct wpa_ssid *ssid;
4768                 persistent_id = atoi(pos2 + 12);
4769                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
4770                 if (ssid == NULL || ssid->disabled != 2 ||
4771                     ssid->mode != WPAS_MODE_P2P_GO) {
4772                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
4773                                    "SSID id=%d for persistent P2P group (GO)",
4774                                    persistent_id);
4775                         return -1;
4776                 }
4777         }
4778         join = os_strstr(pos, " join") != NULL;
4779         auth = os_strstr(pos, " auth") != NULL;
4780         automatic = os_strstr(pos, " auto") != NULL;
4781         pd = os_strstr(pos, " provdisc") != NULL;
4782         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4783         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4784                 vht;
4785
4786         pos2 = os_strstr(pos, " go_intent=");
4787         if (pos2) {
4788                 pos2 += 11;
4789                 go_intent = atoi(pos2);
4790                 if (go_intent < 0 || go_intent > 15)
4791                         return -1;
4792         }
4793
4794         pos2 = os_strstr(pos, " freq=");
4795         if (pos2) {
4796                 pos2 += 6;
4797                 freq = atoi(pos2);
4798                 if (freq <= 0)
4799                         return -1;
4800         }
4801
4802         if (os_strncmp(pos, "pin", 3) == 0) {
4803                 /* Request random PIN (to be displayed) and enable the PIN */
4804                 wps_method = WPS_PIN_DISPLAY;
4805         } else if (os_strncmp(pos, "pbc", 3) == 0) {
4806                 wps_method = WPS_PBC;
4807         } else {
4808                 pin = pos;
4809                 pos = os_strchr(pin, ' ');
4810                 wps_method = WPS_PIN_KEYPAD;
4811                 if (pos) {
4812                         *pos++ = '\0';
4813                         if (os_strncmp(pos, "display", 7) == 0)
4814                                 wps_method = WPS_PIN_DISPLAY;
4815                         else if (os_strncmp(pos, "p2ps", 4) == 0)
4816                                 wps_method = WPS_P2PS;
4817                 }
4818                 if (!wps_pin_str_valid(pin)) {
4819                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
4820                         return 17;
4821                 }
4822         }
4823
4824         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
4825                                    persistent_group, automatic, join,
4826                                    auth, go_intent, freq, persistent_id, pd,
4827                                    ht40, vht);
4828         if (new_pin == -2) {
4829                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
4830                 return 25;
4831         }
4832         if (new_pin == -3) {
4833                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
4834                 return 25;
4835         }
4836         if (new_pin < 0)
4837                 return -1;
4838         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
4839                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
4840                 if (os_snprintf_error(buflen, ret))
4841                         return -1;
4842                 return ret;
4843         }
4844
4845         os_memcpy(buf, "OK\n", 3);
4846         return 3;
4847 }
4848
4849
4850 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
4851 {
4852         unsigned int timeout = atoi(cmd);
4853         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4854                 wpa_dbg(wpa_s, MSG_INFO,
4855                         "Reject P2P_LISTEN since interface is disabled");
4856                 return -1;
4857         }
4858         return wpas_p2p_listen(wpa_s, timeout);
4859 }
4860
4861
4862 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
4863 {
4864         u8 addr[ETH_ALEN];
4865         char *pos;
4866         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
4867
4868         /* <addr> <config method> [join|auto] */
4869
4870         if (hwaddr_aton(cmd, addr))
4871                 return -1;
4872
4873         pos = cmd + 17;
4874         if (*pos != ' ')
4875                 return -1;
4876         pos++;
4877
4878         if (os_strstr(pos, " join") != NULL)
4879                 use = WPAS_P2P_PD_FOR_JOIN;
4880         else if (os_strstr(pos, " auto") != NULL)
4881                 use = WPAS_P2P_PD_AUTO;
4882
4883         return wpas_p2p_prov_disc(wpa_s, addr, pos, use, NULL);
4884 }
4885
4886
4887 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
4888                               size_t buflen)
4889 {
4890         struct wpa_ssid *ssid = wpa_s->current_ssid;
4891
4892         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
4893             ssid->passphrase == NULL)
4894                 return -1;
4895
4896         os_strlcpy(buf, ssid->passphrase, buflen);
4897         return os_strlen(buf);
4898 }
4899
4900
4901 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
4902                                   char *buf, size_t buflen)
4903 {
4904         u64 ref;
4905         int res;
4906         u8 dst_buf[ETH_ALEN], *dst;
4907         struct wpabuf *tlvs;
4908         char *pos;
4909         size_t len;
4910
4911         if (hwaddr_aton(cmd, dst_buf))
4912                 return -1;
4913         dst = dst_buf;
4914         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
4915             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
4916                 dst = NULL;
4917         pos = cmd + 17;
4918         if (*pos != ' ')
4919                 return -1;
4920         pos++;
4921
4922         if (os_strncmp(pos, "upnp ", 5) == 0) {
4923                 u8 version;
4924                 pos += 5;
4925                 if (hexstr2bin(pos, &version, 1) < 0)
4926                         return -1;
4927                 pos += 2;
4928                 if (*pos != ' ')
4929                         return -1;
4930                 pos++;
4931                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
4932 #ifdef CONFIG_WIFI_DISPLAY
4933         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
4934                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
4935 #endif /* CONFIG_WIFI_DISPLAY */
4936         } else if (os_strncmp(pos, "asp ", 4) == 0) {
4937                 char *svc_str;
4938                 char *svc_info = NULL;
4939                 u32 id;
4940
4941                 pos += 4;
4942                 if (sscanf(pos, "%x", &id) != 1 || id > 0xff)
4943                         return -1;
4944
4945                 pos = os_strchr(pos, ' ');
4946                 if (pos == NULL || pos[1] == '\0' || pos[1] == ' ')
4947                         return -1;
4948
4949                 svc_str = pos + 1;
4950
4951                 pos = os_strchr(svc_str, ' ');
4952
4953                 if (pos)
4954                         *pos++ = '\0';
4955
4956                 /* All remaining data is the svc_info string */
4957                 if (pos && pos[0] && pos[0] != ' ') {
4958                         len = os_strlen(pos);
4959
4960                         /* Unescape in place */
4961                         len = utf8_unescape(pos, len, pos, len);
4962                         if (len > 0xff)
4963                                 return -1;
4964
4965                         svc_info = pos;
4966                 }
4967
4968                 ref = wpas_p2p_sd_request_asp(wpa_s, dst, (u8) id,
4969                                               svc_str, svc_info);
4970         } else {
4971                 len = os_strlen(pos);
4972                 if (len & 1)
4973                         return -1;
4974                 len /= 2;
4975                 tlvs = wpabuf_alloc(len);
4976                 if (tlvs == NULL)
4977                         return -1;
4978                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
4979                         wpabuf_free(tlvs);
4980                         return -1;
4981                 }
4982
4983                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
4984                 wpabuf_free(tlvs);
4985         }
4986         if (ref == 0)
4987                 return -1;
4988         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
4989         if (os_snprintf_error(buflen, res))
4990                 return -1;
4991         return res;
4992 }
4993
4994
4995 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
4996                                          char *cmd)
4997 {
4998         long long unsigned val;
4999         u64 req;
5000         if (sscanf(cmd, "%llx", &val) != 1)
5001                 return -1;
5002         req = val;
5003         return wpas_p2p_sd_cancel_request(wpa_s, req);
5004 }
5005
5006
5007 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
5008 {
5009         int freq;
5010         u8 dst[ETH_ALEN];
5011         u8 dialog_token;
5012         struct wpabuf *resp_tlvs;
5013         char *pos, *pos2;
5014         size_t len;
5015
5016         pos = os_strchr(cmd, ' ');
5017         if (pos == NULL)
5018                 return -1;
5019         *pos++ = '\0';
5020         freq = atoi(cmd);
5021         if (freq == 0)
5022                 return -1;
5023
5024         if (hwaddr_aton(pos, dst))
5025                 return -1;
5026         pos += 17;
5027         if (*pos != ' ')
5028                 return -1;
5029         pos++;
5030
5031         pos2 = os_strchr(pos, ' ');
5032         if (pos2 == NULL)
5033                 return -1;
5034         *pos2++ = '\0';
5035         dialog_token = atoi(pos);
5036
5037         len = os_strlen(pos2);
5038         if (len & 1)
5039                 return -1;
5040         len /= 2;
5041         resp_tlvs = wpabuf_alloc(len);
5042         if (resp_tlvs == NULL)
5043                 return -1;
5044         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
5045                 wpabuf_free(resp_tlvs);
5046                 return -1;
5047         }
5048
5049         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
5050         wpabuf_free(resp_tlvs);
5051         return 0;
5052 }
5053
5054
5055 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
5056                                        char *cmd)
5057 {
5058         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
5059                 return -1;
5060         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
5061         return 0;
5062 }
5063
5064
5065 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
5066                                         char *cmd)
5067 {
5068         char *pos;
5069         size_t len;
5070         struct wpabuf *query, *resp;
5071
5072         pos = os_strchr(cmd, ' ');
5073         if (pos == NULL)
5074                 return -1;
5075         *pos++ = '\0';
5076
5077         len = os_strlen(cmd);
5078         if (len & 1)
5079                 return -1;
5080         len /= 2;
5081         query = wpabuf_alloc(len);
5082         if (query == NULL)
5083                 return -1;
5084         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5085                 wpabuf_free(query);
5086                 return -1;
5087         }
5088
5089         len = os_strlen(pos);
5090         if (len & 1) {
5091                 wpabuf_free(query);
5092                 return -1;
5093         }
5094         len /= 2;
5095         resp = wpabuf_alloc(len);
5096         if (resp == NULL) {
5097                 wpabuf_free(query);
5098                 return -1;
5099         }
5100         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
5101                 wpabuf_free(query);
5102                 wpabuf_free(resp);
5103                 return -1;
5104         }
5105
5106         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
5107                 wpabuf_free(query);
5108                 wpabuf_free(resp);
5109                 return -1;
5110         }
5111         return 0;
5112 }
5113
5114
5115 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5116 {
5117         char *pos;
5118         u8 version;
5119
5120         pos = os_strchr(cmd, ' ');
5121         if (pos == NULL)
5122                 return -1;
5123         *pos++ = '\0';
5124
5125         if (hexstr2bin(cmd, &version, 1) < 0)
5126                 return -1;
5127
5128         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
5129 }
5130
5131
5132 static int p2p_ctrl_service_add_asp(struct wpa_supplicant *wpa_s,
5133                                     u8 replace, char *cmd)
5134 {
5135         char *pos;
5136         char *adv_str;
5137         u32 auto_accept, adv_id, svc_state, config_methods;
5138         char *svc_info = NULL;
5139
5140         pos = os_strchr(cmd, ' ');
5141         if (pos == NULL)
5142                 return -1;
5143         *pos++ = '\0';
5144
5145         /* Auto-Accept value is mandatory, and must be one of the
5146          * single values (0, 1, 2, 4) */
5147         auto_accept = atoi(cmd);
5148         switch (auto_accept) {
5149         case P2PS_SETUP_NONE: /* No auto-accept */
5150         case P2PS_SETUP_NEW:
5151         case P2PS_SETUP_CLIENT:
5152         case P2PS_SETUP_GROUP_OWNER:
5153                 break;
5154         default:
5155                 return -1;
5156         }
5157
5158         /* Advertisement ID is mandatory */
5159         cmd = pos;
5160         pos = os_strchr(cmd, ' ');
5161         if (pos == NULL)
5162                 return -1;
5163         *pos++ = '\0';
5164
5165         /* Handle Adv_ID == 0 (wildcard "org.wi-fi.wfds") internally. */
5166         if (sscanf(cmd, "%x", &adv_id) != 1 || adv_id == 0)
5167                 return -1;
5168
5169         /* Only allow replacements if exist, and adds if not */
5170         if (wpas_p2p_service_p2ps_id_exists(wpa_s, adv_id)) {
5171                 if (!replace)
5172                         return -1;
5173         } else {
5174                 if (replace)
5175                         return -1;
5176         }
5177
5178         /* svc_state between 0 - 0xff is mandatory */
5179         if (sscanf(pos, "%x", &svc_state) != 1 || svc_state > 0xff)
5180                 return -1;
5181
5182         pos = os_strchr(pos, ' ');
5183         if (pos == NULL)
5184                 return -1;
5185
5186         /* config_methods is mandatory */
5187         pos++;
5188         if (sscanf(pos, "%x", &config_methods) != 1)
5189                 return -1;
5190
5191         if (!(config_methods &
5192               (WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD | WPS_CONFIG_P2PS)))
5193                 return -1;
5194
5195         pos = os_strchr(pos, ' ');
5196         if (pos == NULL)
5197                 return -1;
5198
5199         pos++;
5200         adv_str = pos;
5201
5202         /* Advertisement string is mandatory */
5203         if (!pos[0] || pos[0] == ' ')
5204                 return -1;
5205
5206         /* Terminate svc string */
5207         pos = os_strchr(pos, ' ');
5208         if (pos != NULL)
5209                 *pos++ = '\0';
5210
5211         /* Service and Response Information are optional */
5212         if (pos && pos[0]) {
5213                 size_t len;
5214
5215                 /* Note the bare ' included, which cannot exist legally
5216                  * in unescaped string. */
5217                 svc_info = os_strstr(pos, "svc_info='");
5218
5219                 if (svc_info) {
5220                         svc_info += 9;
5221                         len = os_strlen(svc_info);
5222                         utf8_unescape(svc_info, len, svc_info, len);
5223                 }
5224         }
5225
5226         return wpas_p2p_service_add_asp(wpa_s, auto_accept, adv_id, adv_str,
5227                                         (u8) svc_state, (u16) config_methods,
5228                                         svc_info);
5229 }
5230
5231
5232 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
5233 {
5234         char *pos;
5235
5236         pos = os_strchr(cmd, ' ');
5237         if (pos == NULL)
5238                 return -1;
5239         *pos++ = '\0';
5240
5241         if (os_strcmp(cmd, "bonjour") == 0)
5242                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
5243         if (os_strcmp(cmd, "upnp") == 0)
5244                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
5245         if (os_strcmp(cmd, "asp") == 0)
5246                 return p2p_ctrl_service_add_asp(wpa_s, 0, pos);
5247         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5248         return -1;
5249 }
5250
5251
5252 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
5253                                         char *cmd)
5254 {
5255         size_t len;
5256         struct wpabuf *query;
5257         int ret;
5258
5259         len = os_strlen(cmd);
5260         if (len & 1)
5261                 return -1;
5262         len /= 2;
5263         query = wpabuf_alloc(len);
5264         if (query == NULL)
5265                 return -1;
5266         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5267                 wpabuf_free(query);
5268                 return -1;
5269         }
5270
5271         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
5272         wpabuf_free(query);
5273         return ret;
5274 }
5275
5276
5277 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5278 {
5279         char *pos;
5280         u8 version;
5281
5282         pos = os_strchr(cmd, ' ');
5283         if (pos == NULL)
5284                 return -1;
5285         *pos++ = '\0';
5286
5287         if (hexstr2bin(cmd, &version, 1) < 0)
5288                 return -1;
5289
5290         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
5291 }
5292
5293
5294 static int p2p_ctrl_service_del_asp(struct wpa_supplicant *wpa_s, char *cmd)
5295 {
5296         u32 adv_id;
5297
5298         if (sscanf(cmd, "%x", &adv_id) != 1)
5299                 return -1;
5300
5301         return wpas_p2p_service_del_asp(wpa_s, adv_id);
5302 }
5303
5304
5305 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
5306 {
5307         char *pos;
5308
5309         pos = os_strchr(cmd, ' ');
5310         if (pos == NULL)
5311                 return -1;
5312         *pos++ = '\0';
5313
5314         if (os_strcmp(cmd, "bonjour") == 0)
5315                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
5316         if (os_strcmp(cmd, "upnp") == 0)
5317                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
5318         if (os_strcmp(cmd, "asp") == 0)
5319                 return p2p_ctrl_service_del_asp(wpa_s, pos);
5320         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5321         return -1;
5322 }
5323
5324
5325 static int p2p_ctrl_service_replace(struct wpa_supplicant *wpa_s, char *cmd)
5326 {
5327         char *pos;
5328
5329         pos = os_strchr(cmd, ' ');
5330         if (pos == NULL)
5331                 return -1;
5332         *pos++ = '\0';
5333
5334         if (os_strcmp(cmd, "asp") == 0)
5335                 return p2p_ctrl_service_add_asp(wpa_s, 1, pos);
5336
5337         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5338         return -1;
5339 }
5340
5341
5342 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
5343 {
5344         u8 addr[ETH_ALEN];
5345
5346         /* <addr> */
5347
5348         if (hwaddr_aton(cmd, addr))
5349                 return -1;
5350
5351         return wpas_p2p_reject(wpa_s, addr);
5352 }
5353
5354
5355 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
5356 {
5357         char *pos;
5358         int id;
5359         struct wpa_ssid *ssid;
5360         u8 *_peer = NULL, peer[ETH_ALEN];
5361         int freq = 0, pref_freq = 0;
5362         int ht40, vht;
5363
5364         id = atoi(cmd);
5365         pos = os_strstr(cmd, " peer=");
5366         if (pos) {
5367                 pos += 6;
5368                 if (hwaddr_aton(pos, peer))
5369                         return -1;
5370                 _peer = peer;
5371         }
5372         ssid = wpa_config_get_network(wpa_s->conf, id);
5373         if (ssid == NULL || ssid->disabled != 2) {
5374                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5375                            "for persistent P2P group",
5376                            id);
5377                 return -1;
5378         }
5379
5380         pos = os_strstr(cmd, " freq=");
5381         if (pos) {
5382                 pos += 6;
5383                 freq = atoi(pos);
5384                 if (freq <= 0)
5385                         return -1;
5386         }
5387
5388         pos = os_strstr(cmd, " pref=");
5389         if (pos) {
5390                 pos += 6;
5391                 pref_freq = atoi(pos);
5392                 if (pref_freq <= 0)
5393                         return -1;
5394         }
5395
5396         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
5397         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5398                 vht;
5399
5400         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
5401                                pref_freq);
5402 }
5403
5404
5405 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
5406 {
5407         char *pos;
5408         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
5409
5410         pos = os_strstr(cmd, " peer=");
5411         if (!pos)
5412                 return -1;
5413
5414         *pos = '\0';
5415         pos += 6;
5416         if (hwaddr_aton(pos, peer)) {
5417                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
5418                 return -1;
5419         }
5420
5421         pos = os_strstr(pos, " go_dev_addr=");
5422         if (pos) {
5423                 pos += 13;
5424                 if (hwaddr_aton(pos, go_dev_addr)) {
5425                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
5426                                    pos);
5427                         return -1;
5428                 }
5429                 go_dev = go_dev_addr;
5430         }
5431
5432         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
5433 }
5434
5435
5436 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
5437 {
5438         if (os_strncmp(cmd, "persistent=", 11) == 0)
5439                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
5440         if (os_strncmp(cmd, "group=", 6) == 0)
5441                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
5442
5443         return -1;
5444 }
5445
5446
5447 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
5448                                          char *cmd, int freq, int ht40,
5449                                          int vht)
5450 {
5451         int id;
5452         struct wpa_ssid *ssid;
5453
5454         id = atoi(cmd);
5455         ssid = wpa_config_get_network(wpa_s->conf, id);
5456         if (ssid == NULL || ssid->disabled != 2) {
5457                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5458                            "for persistent P2P group",
5459                            id);
5460                 return -1;
5461         }
5462
5463         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, 0, ht40, vht,
5464                                              NULL, 0);
5465 }
5466
5467
5468 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
5469 {
5470         int freq = 0, ht40, vht;
5471         char *pos;
5472
5473         pos = os_strstr(cmd, "freq=");
5474         if (pos)
5475                 freq = atoi(pos + 5);
5476
5477         vht = (os_strstr(cmd, "vht") != NULL) || wpa_s->conf->p2p_go_vht;
5478         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5479                 vht;
5480
5481         if (os_strncmp(cmd, "persistent=", 11) == 0)
5482                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
5483                                                      ht40, vht);
5484         if (os_strcmp(cmd, "persistent") == 0 ||
5485             os_strncmp(cmd, "persistent ", 11) == 0)
5486                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40, vht);
5487         if (os_strncmp(cmd, "freq=", 5) == 0)
5488                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
5489         if (ht40)
5490                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
5491
5492         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
5493                    cmd);
5494         return -1;
5495 }
5496
5497
5498 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
5499                          char *buf, size_t buflen)
5500 {
5501         u8 addr[ETH_ALEN], *addr_ptr;
5502         int next, res;
5503         const struct p2p_peer_info *info;
5504         char *pos, *end;
5505         char devtype[WPS_DEV_TYPE_BUFSIZE];
5506         struct wpa_ssid *ssid;
5507         size_t i;
5508
5509         if (!wpa_s->global->p2p)
5510                 return -1;
5511
5512         if (os_strcmp(cmd, "FIRST") == 0) {
5513                 addr_ptr = NULL;
5514                 next = 0;
5515         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
5516                 if (hwaddr_aton(cmd + 5, addr) < 0)
5517                         return -1;
5518                 addr_ptr = addr;
5519                 next = 1;
5520         } else {
5521                 if (hwaddr_aton(cmd, addr) < 0)
5522                         return -1;
5523                 addr_ptr = addr;
5524                 next = 0;
5525         }
5526
5527         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
5528         if (info == NULL)
5529                 return -1;
5530
5531         pos = buf;
5532         end = buf + buflen;
5533
5534         res = os_snprintf(pos, end - pos, MACSTR "\n"
5535                           "pri_dev_type=%s\n"
5536                           "device_name=%s\n"
5537                           "manufacturer=%s\n"
5538                           "model_name=%s\n"
5539                           "model_number=%s\n"
5540                           "serial_number=%s\n"
5541                           "config_methods=0x%x\n"
5542                           "dev_capab=0x%x\n"
5543                           "group_capab=0x%x\n"
5544                           "level=%d\n",
5545                           MAC2STR(info->p2p_device_addr),
5546                           wps_dev_type_bin2str(info->pri_dev_type,
5547                                                devtype, sizeof(devtype)),
5548                           info->device_name,
5549                           info->manufacturer,
5550                           info->model_name,
5551                           info->model_number,
5552                           info->serial_number,
5553                           info->config_methods,
5554                           info->dev_capab,
5555                           info->group_capab,
5556                           info->level);
5557         if (os_snprintf_error(end - pos, res))
5558                 return pos - buf;
5559         pos += res;
5560
5561         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
5562         {
5563                 const u8 *t;
5564                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
5565                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
5566                                   wps_dev_type_bin2str(t, devtype,
5567                                                        sizeof(devtype)));
5568                 if (os_snprintf_error(end - pos, res))
5569                         return pos - buf;
5570                 pos += res;
5571         }
5572
5573         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
5574         if (ssid) {
5575                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
5576                 if (os_snprintf_error(end - pos, res))
5577                         return pos - buf;
5578                 pos += res;
5579         }
5580
5581         res = p2p_get_peer_info_txt(info, pos, end - pos);
5582         if (res < 0)
5583                 return pos - buf;
5584         pos += res;
5585
5586         if (info->vendor_elems) {
5587                 res = os_snprintf(pos, end - pos, "vendor_elems=");
5588                 if (os_snprintf_error(end - pos, res))
5589                         return pos - buf;
5590                 pos += res;
5591
5592                 pos += wpa_snprintf_hex(pos, end - pos,
5593                                         wpabuf_head(info->vendor_elems),
5594                                         wpabuf_len(info->vendor_elems));
5595
5596                 res = os_snprintf(pos, end - pos, "\n");
5597                 if (os_snprintf_error(end - pos, res))
5598                         return pos - buf;
5599                 pos += res;
5600         }
5601
5602         return pos - buf;
5603 }
5604
5605
5606 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
5607                                   const char *param)
5608 {
5609         unsigned int i;
5610
5611         if (wpa_s->global->p2p == NULL)
5612                 return -1;
5613
5614         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
5615                 return -1;
5616
5617         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
5618                 struct wpa_freq_range *freq;
5619                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
5620                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
5621                            freq->min, freq->max);
5622         }
5623
5624         wpas_p2p_update_channel_list(wpa_s);
5625         return 0;
5626 }
5627
5628
5629 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
5630 {
5631         char *param;
5632
5633         if (wpa_s->global->p2p == NULL)
5634                 return -1;
5635
5636         param = os_strchr(cmd, ' ');
5637         if (param == NULL)
5638                 return -1;
5639         *param++ = '\0';
5640
5641         if (os_strcmp(cmd, "discoverability") == 0) {
5642                 p2p_set_client_discoverability(wpa_s->global->p2p,
5643                                                atoi(param));
5644                 return 0;
5645         }
5646
5647         if (os_strcmp(cmd, "managed") == 0) {
5648                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
5649                 return 0;
5650         }
5651
5652         if (os_strcmp(cmd, "listen_channel") == 0) {
5653                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
5654                                               atoi(param), 1);
5655         }
5656
5657         if (os_strcmp(cmd, "ssid_postfix") == 0) {
5658                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
5659                                             os_strlen(param));
5660         }
5661
5662         if (os_strcmp(cmd, "noa") == 0) {
5663                 char *pos;
5664                 int count, start, duration;
5665                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
5666                 count = atoi(param);
5667                 pos = os_strchr(param, ',');
5668                 if (pos == NULL)
5669                         return -1;
5670                 pos++;
5671                 start = atoi(pos);
5672                 pos = os_strchr(pos, ',');
5673                 if (pos == NULL)
5674                         return -1;
5675                 pos++;
5676                 duration = atoi(pos);
5677                 if (count < 0 || count > 255 || start < 0 || duration < 0)
5678                         return -1;
5679                 if (count == 0 && duration > 0)
5680                         return -1;
5681                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
5682                            "start=%d duration=%d", count, start, duration);
5683                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
5684         }
5685
5686         if (os_strcmp(cmd, "ps") == 0)
5687                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
5688
5689         if (os_strcmp(cmd, "oppps") == 0)
5690                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
5691
5692         if (os_strcmp(cmd, "ctwindow") == 0)
5693                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
5694
5695         if (os_strcmp(cmd, "disabled") == 0) {
5696                 wpa_s->global->p2p_disabled = atoi(param);
5697                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
5698                            wpa_s->global->p2p_disabled ?
5699                            "disabled" : "enabled");
5700                 if (wpa_s->global->p2p_disabled) {
5701                         wpas_p2p_stop_find(wpa_s);
5702                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5703                         p2p_flush(wpa_s->global->p2p);
5704                 }
5705                 return 0;
5706         }
5707
5708         if (os_strcmp(cmd, "conc_pref") == 0) {
5709                 if (os_strcmp(param, "sta") == 0)
5710                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
5711                 else if (os_strcmp(param, "p2p") == 0)
5712                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
5713                 else {
5714                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
5715                         return -1;
5716                 }
5717                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
5718                            "%s", param);
5719                 return 0;
5720         }
5721
5722         if (os_strcmp(cmd, "force_long_sd") == 0) {
5723                 wpa_s->force_long_sd = atoi(param);
5724                 return 0;
5725         }
5726
5727         if (os_strcmp(cmd, "peer_filter") == 0) {
5728                 u8 addr[ETH_ALEN];
5729                 if (hwaddr_aton(param, addr))
5730                         return -1;
5731                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
5732                 return 0;
5733         }
5734
5735         if (os_strcmp(cmd, "cross_connect") == 0)
5736                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
5737
5738         if (os_strcmp(cmd, "go_apsd") == 0) {
5739                 if (os_strcmp(param, "disable") == 0)
5740                         wpa_s->set_ap_uapsd = 0;
5741                 else {
5742                         wpa_s->set_ap_uapsd = 1;
5743                         wpa_s->ap_uapsd = atoi(param);
5744                 }
5745                 return 0;
5746         }
5747
5748         if (os_strcmp(cmd, "client_apsd") == 0) {
5749                 if (os_strcmp(param, "disable") == 0)
5750                         wpa_s->set_sta_uapsd = 0;
5751                 else {
5752                         int be, bk, vi, vo;
5753                         char *pos;
5754                         /* format: BE,BK,VI,VO;max SP Length */
5755                         be = atoi(param);
5756                         pos = os_strchr(param, ',');
5757                         if (pos == NULL)
5758                                 return -1;
5759                         pos++;
5760                         bk = atoi(pos);
5761                         pos = os_strchr(pos, ',');
5762                         if (pos == NULL)
5763                                 return -1;
5764                         pos++;
5765                         vi = atoi(pos);
5766                         pos = os_strchr(pos, ',');
5767                         if (pos == NULL)
5768                                 return -1;
5769                         pos++;
5770                         vo = atoi(pos);
5771                         /* ignore max SP Length for now */
5772
5773                         wpa_s->set_sta_uapsd = 1;
5774                         wpa_s->sta_uapsd = 0;
5775                         if (be)
5776                                 wpa_s->sta_uapsd |= BIT(0);
5777                         if (bk)
5778                                 wpa_s->sta_uapsd |= BIT(1);
5779                         if (vi)
5780                                 wpa_s->sta_uapsd |= BIT(2);
5781                         if (vo)
5782                                 wpa_s->sta_uapsd |= BIT(3);
5783                 }
5784                 return 0;
5785         }
5786
5787         if (os_strcmp(cmd, "disallow_freq") == 0)
5788                 return p2p_ctrl_disallow_freq(wpa_s, param);
5789
5790         if (os_strcmp(cmd, "disc_int") == 0) {
5791                 int min_disc_int, max_disc_int, max_disc_tu;
5792                 char *pos;
5793
5794                 pos = param;
5795
5796                 min_disc_int = atoi(pos);
5797                 pos = os_strchr(pos, ' ');
5798                 if (pos == NULL)
5799                         return -1;
5800                 *pos++ = '\0';
5801
5802                 max_disc_int = atoi(pos);
5803                 pos = os_strchr(pos, ' ');
5804                 if (pos == NULL)
5805                         return -1;
5806                 *pos++ = '\0';
5807
5808                 max_disc_tu = atoi(pos);
5809
5810                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
5811                                         max_disc_int, max_disc_tu);
5812         }
5813
5814         if (os_strcmp(cmd, "per_sta_psk") == 0) {
5815                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
5816                 return 0;
5817         }
5818
5819 #ifdef CONFIG_WPS_NFC
5820         if (os_strcmp(cmd, "nfc_tag") == 0)
5821                 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
5822 #endif /* CONFIG_WPS_NFC */
5823
5824         if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
5825                 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
5826                 return 0;
5827         }
5828
5829         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
5830                    cmd);
5831
5832         return -1;
5833 }
5834
5835
5836 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
5837 {
5838         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5839         wpa_s->force_long_sd = 0;
5840         wpas_p2p_stop_find(wpa_s);
5841         if (wpa_s->global->p2p)
5842                 p2p_flush(wpa_s->global->p2p);
5843 }
5844
5845
5846 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
5847 {
5848         char *pos, *pos2;
5849         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
5850
5851         if (cmd[0]) {
5852                 pos = os_strchr(cmd, ' ');
5853                 if (pos == NULL)
5854                         return -1;
5855                 *pos++ = '\0';
5856                 dur1 = atoi(cmd);
5857
5858                 pos2 = os_strchr(pos, ' ');
5859                 if (pos2)
5860                         *pos2++ = '\0';
5861                 int1 = atoi(pos);
5862         } else
5863                 pos2 = NULL;
5864
5865         if (pos2) {
5866                 pos = os_strchr(pos2, ' ');
5867                 if (pos == NULL)
5868                         return -1;
5869                 *pos++ = '\0';
5870                 dur2 = atoi(pos2);
5871                 int2 = atoi(pos);
5872         }
5873
5874         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
5875 }
5876
5877
5878 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
5879 {
5880         char *pos;
5881         unsigned int period = 0, interval = 0;
5882
5883         if (cmd[0]) {
5884                 pos = os_strchr(cmd, ' ');
5885                 if (pos == NULL)
5886                         return -1;
5887                 *pos++ = '\0';
5888                 period = atoi(cmd);
5889                 interval = atoi(pos);
5890         }
5891
5892         return wpas_p2p_ext_listen(wpa_s, period, interval);
5893 }
5894
5895
5896 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
5897 {
5898         const char *pos;
5899         u8 peer[ETH_ALEN];
5900         int iface_addr = 0;
5901
5902         pos = cmd;
5903         if (os_strncmp(pos, "iface=", 6) == 0) {
5904                 iface_addr = 1;
5905                 pos += 6;
5906         }
5907         if (hwaddr_aton(pos, peer))
5908                 return -1;
5909
5910         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
5911         return 0;
5912 }
5913
5914 #endif /* CONFIG_P2P */
5915
5916
5917 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
5918 {
5919         struct wpa_freq_range_list ranges;
5920         int *freqs = NULL;
5921         struct hostapd_hw_modes *mode;
5922         u16 i;
5923
5924         if (wpa_s->hw.modes == NULL)
5925                 return NULL;
5926
5927         os_memset(&ranges, 0, sizeof(ranges));
5928         if (freq_range_list_parse(&ranges, val) < 0)
5929                 return NULL;
5930
5931         for (i = 0; i < wpa_s->hw.num_modes; i++) {
5932                 int j;
5933
5934                 mode = &wpa_s->hw.modes[i];
5935                 for (j = 0; j < mode->num_channels; j++) {
5936                         unsigned int freq;
5937
5938                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
5939                                 continue;
5940
5941                         freq = mode->channels[j].freq;
5942                         if (!freq_range_list_includes(&ranges, freq))
5943                                 continue;
5944
5945                         int_array_add_unique(&freqs, freq);
5946                 }
5947         }
5948
5949         os_free(ranges.range);
5950         return freqs;
5951 }
5952
5953
5954 #ifdef CONFIG_INTERWORKING
5955
5956 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
5957 {
5958         int auto_sel = 0;
5959         int *freqs = NULL;
5960
5961         if (param) {
5962                 char *pos;
5963
5964                 auto_sel = os_strstr(param, "auto") != NULL;
5965
5966                 pos = os_strstr(param, "freq=");
5967                 if (pos) {
5968                         freqs = freq_range_to_channel_list(wpa_s, pos + 5);
5969                         if (freqs == NULL)
5970                                 return -1;
5971                 }
5972
5973         }
5974
5975         return interworking_select(wpa_s, auto_sel, freqs);
5976 }
5977
5978
5979 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst,
5980                                      int only_add)
5981 {
5982         u8 bssid[ETH_ALEN];
5983         struct wpa_bss *bss;
5984
5985         if (hwaddr_aton(dst, bssid)) {
5986                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
5987                 return -1;
5988         }
5989
5990         bss = wpa_bss_get_bssid(wpa_s, bssid);
5991         if (bss == NULL) {
5992                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
5993                            MAC2STR(bssid));
5994                 return -1;
5995         }
5996
5997         if (bss->ssid_len == 0) {
5998                 int found = 0;
5999
6000                 wpa_printf(MSG_DEBUG, "Selected BSS entry for " MACSTR
6001                            " does not have SSID information", MAC2STR(bssid));
6002
6003                 dl_list_for_each_reverse(bss, &wpa_s->bss, struct wpa_bss,
6004                                          list) {
6005                         if (os_memcmp(bss->bssid, bssid, ETH_ALEN) == 0 &&
6006                             bss->ssid_len > 0) {
6007                                 found = 1;
6008                                 break;
6009                         }
6010                 }
6011
6012                 if (!found)
6013                         return -1;
6014                 wpa_printf(MSG_DEBUG,
6015                            "Found another matching BSS entry with SSID");
6016         }
6017
6018         return interworking_connect(wpa_s, bss, only_add);
6019 }
6020
6021
6022 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
6023 {
6024         u8 dst_addr[ETH_ALEN];
6025         int used;
6026         char *pos;
6027 #define MAX_ANQP_INFO_ID 100
6028         u16 id[MAX_ANQP_INFO_ID];
6029         size_t num_id = 0;
6030         u32 subtypes = 0;
6031
6032         used = hwaddr_aton2(dst, dst_addr);
6033         if (used < 0)
6034                 return -1;
6035         pos = dst + used;
6036         if (*pos == ' ')
6037                 pos++;
6038         while (num_id < MAX_ANQP_INFO_ID) {
6039                 if (os_strncmp(pos, "hs20:", 5) == 0) {
6040 #ifdef CONFIG_HS20
6041                         int num = atoi(pos + 5);
6042                         if (num <= 0 || num > 31)
6043                                 return -1;
6044                         subtypes |= BIT(num);
6045 #else /* CONFIG_HS20 */
6046                         return -1;
6047 #endif /* CONFIG_HS20 */
6048                 } else {
6049                         id[num_id] = atoi(pos);
6050                         if (id[num_id])
6051                                 num_id++;
6052                 }
6053                 pos = os_strchr(pos + 1, ',');
6054                 if (pos == NULL)
6055                         break;
6056                 pos++;
6057         }
6058
6059         if (num_id == 0)
6060                 return -1;
6061
6062         return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes);
6063 }
6064
6065
6066 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
6067 {
6068         u8 dst_addr[ETH_ALEN];
6069         struct wpabuf *advproto, *query = NULL;
6070         int used, ret = -1;
6071         char *pos, *end;
6072         size_t len;
6073
6074         used = hwaddr_aton2(cmd, dst_addr);
6075         if (used < 0)
6076                 return -1;
6077
6078         pos = cmd + used;
6079         while (*pos == ' ')
6080                 pos++;
6081
6082         /* Advertisement Protocol ID */
6083         end = os_strchr(pos, ' ');
6084         if (end)
6085                 len = end - pos;
6086         else
6087                 len = os_strlen(pos);
6088         if (len & 0x01)
6089                 return -1;
6090         len /= 2;
6091         if (len == 0)
6092                 return -1;
6093         advproto = wpabuf_alloc(len);
6094         if (advproto == NULL)
6095                 return -1;
6096         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
6097                 goto fail;
6098
6099         if (end) {
6100                 /* Optional Query Request */
6101                 pos = end + 1;
6102                 while (*pos == ' ')
6103                         pos++;
6104
6105                 len = os_strlen(pos);
6106                 if (len) {
6107                         if (len & 0x01)
6108                                 goto fail;
6109                         len /= 2;
6110                         if (len == 0)
6111                                 goto fail;
6112                         query = wpabuf_alloc(len);
6113                         if (query == NULL)
6114                                 goto fail;
6115                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
6116                                 goto fail;
6117                 }
6118         }
6119
6120         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
6121
6122 fail:
6123         wpabuf_free(advproto);
6124         wpabuf_free(query);
6125
6126         return ret;
6127 }
6128
6129
6130 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
6131                             size_t buflen)
6132 {
6133         u8 addr[ETH_ALEN];
6134         int dialog_token;
6135         int used;
6136         char *pos;
6137         size_t resp_len, start, requested_len;
6138         struct wpabuf *resp;
6139         int ret;
6140
6141         used = hwaddr_aton2(cmd, addr);
6142         if (used < 0)
6143                 return -1;
6144
6145         pos = cmd + used;
6146         while (*pos == ' ')
6147                 pos++;
6148         dialog_token = atoi(pos);
6149
6150         if (wpa_s->last_gas_resp &&
6151             os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
6152             dialog_token == wpa_s->last_gas_dialog_token)
6153                 resp = wpa_s->last_gas_resp;
6154         else if (wpa_s->prev_gas_resp &&
6155                  os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
6156                  dialog_token == wpa_s->prev_gas_dialog_token)
6157                 resp = wpa_s->prev_gas_resp;
6158         else
6159                 return -1;
6160
6161         resp_len = wpabuf_len(resp);
6162         start = 0;
6163         requested_len = resp_len;
6164
6165         pos = os_strchr(pos, ' ');
6166         if (pos) {
6167                 start = atoi(pos);
6168                 if (start > resp_len)
6169                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6170                 pos = os_strchr(pos, ',');
6171                 if (pos == NULL)
6172                         return -1;
6173                 pos++;
6174                 requested_len = atoi(pos);
6175                 if (start + requested_len > resp_len)
6176                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6177         }
6178
6179         if (requested_len * 2 + 1 > buflen)
6180                 return os_snprintf(buf, buflen, "FAIL-Too long response");
6181
6182         ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
6183                                requested_len);
6184
6185         if (start + requested_len == resp_len) {
6186                 /*
6187                  * Free memory by dropping the response after it has been
6188                  * fetched.
6189                  */
6190                 if (resp == wpa_s->prev_gas_resp) {
6191                         wpabuf_free(wpa_s->prev_gas_resp);
6192                         wpa_s->prev_gas_resp = NULL;
6193                 } else {
6194                         wpabuf_free(wpa_s->last_gas_resp);
6195                         wpa_s->last_gas_resp = NULL;
6196                 }
6197         }
6198
6199         return ret;
6200 }
6201 #endif /* CONFIG_INTERWORKING */
6202
6203
6204 #ifdef CONFIG_HS20
6205
6206 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
6207 {
6208         u8 dst_addr[ETH_ALEN];
6209         int used;
6210         char *pos;
6211         u32 subtypes = 0;
6212
6213         used = hwaddr_aton2(dst, dst_addr);
6214         if (used < 0)
6215                 return -1;
6216         pos = dst + used;
6217         if (*pos == ' ')
6218                 pos++;
6219         for (;;) {
6220                 int num = atoi(pos);
6221                 if (num <= 0 || num > 31)
6222                         return -1;
6223                 subtypes |= BIT(num);
6224                 pos = os_strchr(pos + 1, ',');
6225                 if (pos == NULL)
6226                         break;
6227                 pos++;
6228         }
6229
6230         if (subtypes == 0)
6231                 return -1;
6232
6233         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
6234 }
6235
6236
6237 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6238                                     const u8 *addr, const char *realm)
6239 {
6240         u8 *buf;
6241         size_t rlen, len;
6242         int ret;
6243
6244         rlen = os_strlen(realm);
6245         len = 3 + rlen;
6246         buf = os_malloc(len);
6247         if (buf == NULL)
6248                 return -1;
6249         buf[0] = 1; /* NAI Home Realm Count */
6250         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
6251         buf[2] = rlen;
6252         os_memcpy(buf + 3, realm, rlen);
6253
6254         ret = hs20_anqp_send_req(wpa_s, addr,
6255                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6256                                  buf, len);
6257
6258         os_free(buf);
6259
6260         return ret;
6261 }
6262
6263
6264 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6265                                         char *dst)
6266 {
6267         struct wpa_cred *cred = wpa_s->conf->cred;
6268         u8 dst_addr[ETH_ALEN];
6269         int used;
6270         u8 *buf;
6271         size_t len;
6272         int ret;
6273
6274         used = hwaddr_aton2(dst, dst_addr);
6275         if (used < 0)
6276                 return -1;
6277
6278         while (dst[used] == ' ')
6279                 used++;
6280         if (os_strncmp(dst + used, "realm=", 6) == 0)
6281                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
6282                                                 dst + used + 6);
6283
6284         len = os_strlen(dst + used);
6285
6286         if (len == 0 && cred && cred->realm)
6287                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
6288
6289         if (len & 1)
6290                 return -1;
6291         len /= 2;
6292         buf = os_malloc(len);
6293         if (buf == NULL)
6294                 return -1;
6295         if (hexstr2bin(dst + used, buf, len) < 0) {
6296                 os_free(buf);
6297                 return -1;
6298         }
6299
6300         ret = hs20_anqp_send_req(wpa_s, dst_addr,
6301                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6302                                  buf, len);
6303         os_free(buf);
6304
6305         return ret;
6306 }
6307
6308
6309 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd)
6310 {
6311         u8 dst_addr[ETH_ALEN];
6312         int used;
6313         char *icon;
6314
6315         used = hwaddr_aton2(cmd, dst_addr);
6316         if (used < 0)
6317                 return -1;
6318
6319         while (cmd[used] == ' ')
6320                 used++;
6321         icon = &cmd[used];
6322
6323         wpa_s->fetch_osu_icon_in_progress = 0;
6324         return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
6325                                   (u8 *) icon, os_strlen(icon));
6326 }
6327
6328 #endif /* CONFIG_HS20 */
6329
6330
6331 #ifdef CONFIG_AUTOSCAN
6332
6333 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
6334                                               char *cmd)
6335 {
6336         enum wpa_states state = wpa_s->wpa_state;
6337         char *new_params = NULL;
6338
6339         if (os_strlen(cmd) > 0) {
6340                 new_params = os_strdup(cmd);
6341                 if (new_params == NULL)
6342                         return -1;
6343         }
6344
6345         os_free(wpa_s->conf->autoscan);
6346         wpa_s->conf->autoscan = new_params;
6347
6348         if (wpa_s->conf->autoscan == NULL)
6349                 autoscan_deinit(wpa_s);
6350         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
6351                 autoscan_init(wpa_s, 1);
6352         else if (state == WPA_SCANNING)
6353                 wpa_supplicant_reinit_autoscan(wpa_s);
6354
6355         return 0;
6356 }
6357
6358 #endif /* CONFIG_AUTOSCAN */
6359
6360
6361 #ifdef CONFIG_WNM
6362
6363 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
6364 {
6365         int enter;
6366         int intval = 0;
6367         char *pos;
6368         int ret;
6369         struct wpabuf *tfs_req = NULL;
6370
6371         if (os_strncmp(cmd, "enter", 5) == 0)
6372                 enter = 1;
6373         else if (os_strncmp(cmd, "exit", 4) == 0)
6374                 enter = 0;
6375         else
6376                 return -1;
6377
6378         pos = os_strstr(cmd, " interval=");
6379         if (pos)
6380                 intval = atoi(pos + 10);
6381
6382         pos = os_strstr(cmd, " tfs_req=");
6383         if (pos) {
6384                 char *end;
6385                 size_t len;
6386                 pos += 9;
6387                 end = os_strchr(pos, ' ');
6388                 if (end)
6389                         len = end - pos;
6390                 else
6391                         len = os_strlen(pos);
6392                 if (len & 1)
6393                         return -1;
6394                 len /= 2;
6395                 tfs_req = wpabuf_alloc(len);
6396                 if (tfs_req == NULL)
6397                         return -1;
6398                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
6399                         wpabuf_free(tfs_req);
6400                         return -1;
6401                 }
6402         }
6403
6404         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
6405                                            WNM_SLEEP_MODE_EXIT, intval,
6406                                            tfs_req);
6407         wpabuf_free(tfs_req);
6408
6409         return ret;
6410 }
6411
6412
6413 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
6414 {
6415         int query_reason;
6416
6417         query_reason = atoi(cmd);
6418
6419         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
6420                    query_reason);
6421
6422         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
6423 }
6424
6425 #endif /* CONFIG_WNM */
6426
6427
6428 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
6429                                       size_t buflen)
6430 {
6431         struct wpa_signal_info si;
6432         int ret;
6433         char *pos, *end;
6434
6435         ret = wpa_drv_signal_poll(wpa_s, &si);
6436         if (ret)
6437                 return -1;
6438
6439         pos = buf;
6440         end = buf + buflen;
6441
6442         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
6443                           "NOISE=%d\nFREQUENCY=%u\n",
6444                           si.current_signal, si.current_txrate / 1000,
6445                           si.current_noise, si.frequency);
6446         if (os_snprintf_error(end - pos, ret))
6447                 return -1;
6448         pos += ret;
6449
6450         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
6451                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
6452                                   channel_width_to_string(si.chanwidth));
6453                 if (os_snprintf_error(end - pos, ret))
6454                         return -1;
6455                 pos += ret;
6456         }
6457
6458         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
6459                 ret = os_snprintf(pos, end - pos,
6460                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
6461                                   si.center_frq1, si.center_frq2);
6462                 if (os_snprintf_error(end - pos, ret))
6463                         return -1;
6464                 pos += ret;
6465         }
6466
6467         if (si.avg_signal) {
6468                 ret = os_snprintf(pos, end - pos,
6469                                   "AVG_RSSI=%d\n", si.avg_signal);
6470                 if (os_snprintf_error(end - pos, ret))
6471                         return -1;
6472                 pos += ret;
6473         }
6474
6475         return pos - buf;
6476 }
6477
6478
6479 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
6480                                       size_t buflen)
6481 {
6482         struct hostap_sta_driver_data sta;
6483         int ret;
6484
6485         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
6486         if (ret)
6487                 return -1;
6488
6489         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
6490                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
6491         if (os_snprintf_error(buflen, ret))
6492                 return -1;
6493         return ret;
6494 }
6495
6496
6497 #ifdef ANDROID
6498 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6499                                      char *buf, size_t buflen)
6500 {
6501         int ret;
6502
6503         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
6504         if (ret == 0) {
6505                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
6506                         struct p2p_data *p2p = wpa_s->global->p2p;
6507                         if (p2p) {
6508                                 char country[3];
6509                                 country[0] = cmd[8];
6510                                 country[1] = cmd[9];
6511                                 country[2] = 0x04;
6512                                 p2p_set_country(p2p, country);
6513                         }
6514                 }
6515                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
6516                 if (os_snprintf_error(buflen, ret))
6517                         ret = -1;
6518         }
6519         return ret;
6520 }
6521 #endif /* ANDROID */
6522
6523
6524 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6525                                      char *buf, size_t buflen)
6526 {
6527         int ret;
6528         char *pos;
6529         u8 *data = NULL;
6530         unsigned int vendor_id, subcmd;
6531         struct wpabuf *reply;
6532         size_t data_len = 0;
6533
6534         /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
6535         vendor_id = strtoul(cmd, &pos, 16);
6536         if (!isblank(*pos))
6537                 return -EINVAL;
6538
6539         subcmd = strtoul(pos, &pos, 10);
6540
6541         if (*pos != '\0') {
6542                 if (!isblank(*pos++))
6543                         return -EINVAL;
6544                 data_len = os_strlen(pos);
6545         }
6546
6547         if (data_len) {
6548                 data_len /= 2;
6549                 data = os_malloc(data_len);
6550                 if (!data)
6551                         return -1;
6552
6553                 if (hexstr2bin(pos, data, data_len)) {
6554                         wpa_printf(MSG_DEBUG,
6555                                    "Vendor command: wrong parameter format");
6556                         os_free(data);
6557                         return -EINVAL;
6558                 }
6559         }
6560
6561         reply = wpabuf_alloc((buflen - 1) / 2);
6562         if (!reply) {
6563                 os_free(data);
6564                 return -1;
6565         }
6566
6567         ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
6568                                  reply);
6569
6570         if (ret == 0)
6571                 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
6572                                        wpabuf_len(reply));
6573
6574         wpabuf_free(reply);
6575         os_free(data);
6576
6577         return ret;
6578 }
6579
6580
6581 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
6582 {
6583 #ifdef CONFIG_P2P
6584         struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s ?
6585                 wpa_s->global->p2p_init_wpa_s : wpa_s;
6586 #endif /* CONFIG_P2P */
6587
6588         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
6589
6590 #ifdef CONFIG_P2P
6591         wpas_p2p_cancel(p2p_wpa_s);
6592         p2p_ctrl_flush(p2p_wpa_s);
6593         wpas_p2p_group_remove(p2p_wpa_s, "*");
6594         wpas_p2p_service_flush(p2p_wpa_s);
6595         p2p_wpa_s->global->p2p_disabled = 0;
6596         p2p_wpa_s->global->p2p_per_sta_psk = 0;
6597         p2p_wpa_s->conf->num_sec_device_types = 0;
6598         p2p_wpa_s->p2p_disable_ip_addr_req = 0;
6599         os_free(p2p_wpa_s->global->p2p_go_avoid_freq.range);
6600         p2p_wpa_s->global->p2p_go_avoid_freq.range = NULL;
6601         p2p_wpa_s->global->pending_p2ps_group = 0;
6602 #endif /* CONFIG_P2P */
6603
6604 #ifdef CONFIG_WPS_TESTING
6605         wps_version_number = 0x20;
6606         wps_testing_dummy_cred = 0;
6607         wps_corrupt_pkhash = 0;
6608 #endif /* CONFIG_WPS_TESTING */
6609 #ifdef CONFIG_WPS
6610         wpa_s->wps_fragment_size = 0;
6611         wpas_wps_cancel(wpa_s);
6612         wps_registrar_flush(wpa_s->wps->registrar);
6613 #endif /* CONFIG_WPS */
6614         wpa_s->after_wps = 0;
6615         wpa_s->known_wps_freq = 0;
6616
6617 #ifdef CONFIG_TDLS
6618 #ifdef CONFIG_TDLS_TESTING
6619         extern unsigned int tdls_testing;
6620         tdls_testing = 0;
6621 #endif /* CONFIG_TDLS_TESTING */
6622         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
6623         wpa_tdls_enable(wpa_s->wpa, 1);
6624 #endif /* CONFIG_TDLS */
6625
6626         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
6627         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
6628
6629         wpa_s->no_keep_alive = 0;
6630
6631         os_free(wpa_s->disallow_aps_bssid);
6632         wpa_s->disallow_aps_bssid = NULL;
6633         wpa_s->disallow_aps_bssid_count = 0;
6634         os_free(wpa_s->disallow_aps_ssid);
6635         wpa_s->disallow_aps_ssid = NULL;
6636         wpa_s->disallow_aps_ssid_count = 0;
6637
6638         wpa_s->set_sta_uapsd = 0;
6639         wpa_s->sta_uapsd = 0;
6640
6641         wpa_drv_radio_disable(wpa_s, 0);
6642         wpa_blacklist_clear(wpa_s);
6643         wpa_s->extra_blacklist_count = 0;
6644         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
6645         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
6646         wpa_config_flush_blobs(wpa_s->conf);
6647         wpa_s->conf->auto_interworking = 0;
6648         wpa_s->conf->okc = 0;
6649
6650         wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
6651         rsn_preauth_deinit(wpa_s->wpa);
6652
6653         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
6654         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
6655         wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
6656         eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
6657
6658         radio_remove_works(wpa_s, NULL, 1);
6659         wpa_s->ext_work_in_progress = 0;
6660
6661         wpa_s->next_ssid = NULL;
6662
6663 #ifdef CONFIG_INTERWORKING
6664         hs20_cancel_fetch_osu(wpa_s);
6665 #endif /* CONFIG_INTERWORKING */
6666
6667         wpa_s->ext_mgmt_frame_handling = 0;
6668         wpa_s->ext_eapol_frame_io = 0;
6669 #ifdef CONFIG_TESTING_OPTIONS
6670         wpa_s->extra_roc_dur = 0;
6671         wpa_s->test_failure = WPAS_TEST_FAILURE_NONE;
6672 #endif /* CONFIG_TESTING_OPTIONS */
6673
6674         wpa_s->disconnected = 0;
6675         os_free(wpa_s->next_scan_freqs);
6676         wpa_s->next_scan_freqs = NULL;
6677
6678         wpa_bss_flush(wpa_s);
6679         if (!dl_list_empty(&wpa_s->bss)) {
6680                 wpa_printf(MSG_DEBUG,
6681                            "BSS table not empty after flush: %u entries, current_bss=%p bssid="
6682                            MACSTR " pending_bssid=" MACSTR,
6683                            dl_list_len(&wpa_s->bss), wpa_s->current_bss,
6684                            MAC2STR(wpa_s->bssid),
6685                            MAC2STR(wpa_s->pending_bssid));
6686         }
6687 }
6688
6689
6690 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
6691                                      char *buf, size_t buflen)
6692 {
6693         struct wpa_radio_work *work;
6694         char *pos, *end;
6695         struct os_reltime now, diff;
6696
6697         pos = buf;
6698         end = buf + buflen;
6699
6700         os_get_reltime(&now);
6701
6702         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6703         {
6704                 int ret;
6705
6706                 os_reltime_sub(&now, &work->time, &diff);
6707                 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
6708                                   work->type, work->wpa_s->ifname, work->freq,
6709                                   work->started, diff.sec, diff.usec);
6710                 if (os_snprintf_error(end - pos, ret))
6711                         break;
6712                 pos += ret;
6713         }
6714
6715         return pos - buf;
6716 }
6717
6718
6719 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
6720 {
6721         struct wpa_radio_work *work = eloop_ctx;
6722         struct wpa_external_work *ework = work->ctx;
6723
6724         wpa_dbg(work->wpa_s, MSG_DEBUG,
6725                 "Timing out external radio work %u (%s)",
6726                 ework->id, work->type);
6727         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
6728         work->wpa_s->ext_work_in_progress = 0;
6729         radio_work_done(work);
6730         os_free(ework);
6731 }
6732
6733
6734 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
6735 {
6736         struct wpa_external_work *ework = work->ctx;
6737
6738         if (deinit) {
6739                 if (work->started)
6740                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6741                                              work, NULL);
6742
6743                 os_free(ework);
6744                 return;
6745         }
6746
6747         wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
6748                 ework->id, ework->type);
6749         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
6750         work->wpa_s->ext_work_in_progress = 1;
6751         if (!ework->timeout)
6752                 ework->timeout = 10;
6753         eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
6754                                work, NULL);
6755 }
6756
6757
6758 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
6759                                     char *buf, size_t buflen)
6760 {
6761         struct wpa_external_work *ework;
6762         char *pos, *pos2;
6763         size_t type_len;
6764         int ret;
6765         unsigned int freq = 0;
6766
6767         /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
6768
6769         ework = os_zalloc(sizeof(*ework));
6770         if (ework == NULL)
6771                 return -1;
6772
6773         pos = os_strchr(cmd, ' ');
6774         if (pos) {
6775                 type_len = pos - cmd;
6776                 pos++;
6777
6778                 pos2 = os_strstr(pos, "freq=");
6779                 if (pos2)
6780                         freq = atoi(pos2 + 5);
6781
6782                 pos2 = os_strstr(pos, "timeout=");
6783                 if (pos2)
6784                         ework->timeout = atoi(pos2 + 8);
6785         } else {
6786                 type_len = os_strlen(cmd);
6787         }
6788         if (4 + type_len >= sizeof(ework->type))
6789                 type_len = sizeof(ework->type) - 4 - 1;
6790         os_strlcpy(ework->type, "ext:", sizeof(ework->type));
6791         os_memcpy(ework->type + 4, cmd, type_len);
6792         ework->type[4 + type_len] = '\0';
6793
6794         wpa_s->ext_work_id++;
6795         if (wpa_s->ext_work_id == 0)
6796                 wpa_s->ext_work_id++;
6797         ework->id = wpa_s->ext_work_id;
6798
6799         if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
6800                            ework) < 0) {
6801                 os_free(ework);
6802                 return -1;
6803         }
6804
6805         ret = os_snprintf(buf, buflen, "%u", ework->id);
6806         if (os_snprintf_error(buflen, ret))
6807                 return -1;
6808         return ret;
6809 }
6810
6811
6812 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
6813 {
6814         struct wpa_radio_work *work;
6815         unsigned int id = atoi(cmd);
6816
6817         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6818         {
6819                 struct wpa_external_work *ework;
6820
6821                 if (os_strncmp(work->type, "ext:", 4) != 0)
6822                         continue;
6823                 ework = work->ctx;
6824                 if (id && ework->id != id)
6825                         continue;
6826                 wpa_dbg(wpa_s, MSG_DEBUG,
6827                         "Completed external radio work %u (%s)",
6828                         ework->id, ework->type);
6829                 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
6830                 wpa_s->ext_work_in_progress = 0;
6831                 radio_work_done(work);
6832                 os_free(ework);
6833                 return 3; /* "OK\n" */
6834         }
6835
6836         return -1;
6837 }
6838
6839
6840 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
6841                                 char *buf, size_t buflen)
6842 {
6843         if (os_strcmp(cmd, "show") == 0)
6844                 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
6845         if (os_strncmp(cmd, "add ", 4) == 0)
6846                 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
6847         if (os_strncmp(cmd, "done ", 5) == 0)
6848                 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
6849         return -1;
6850 }
6851
6852
6853 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
6854 {
6855         struct wpa_radio_work *work, *tmp;
6856
6857         if (!wpa_s || !wpa_s->radio)
6858                 return;
6859
6860         dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
6861                               struct wpa_radio_work, list) {
6862                 struct wpa_external_work *ework;
6863
6864                 if (os_strncmp(work->type, "ext:", 4) != 0)
6865                         continue;
6866                 ework = work->ctx;
6867                 wpa_dbg(wpa_s, MSG_DEBUG,
6868                         "Flushing%s external radio work %u (%s)",
6869                         work->started ? " started" : "", ework->id,
6870                         ework->type);
6871                 if (work->started)
6872                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6873                                              work, NULL);
6874                 radio_work_done(work);
6875                 os_free(ework);
6876         }
6877 }
6878
6879
6880 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
6881 {
6882         struct wpa_supplicant *wpa_s = eloop_ctx;
6883         eapol_sm_notify_ctrl_response(wpa_s->eapol);
6884 }
6885
6886
6887 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value,
6888                               unsigned int *scan_id_count, int scan_id[])
6889 {
6890         const char *pos = value;
6891
6892         while (pos) {
6893                 if (*pos == ' ' || *pos == '\0')
6894                         break;
6895                 if (*scan_id_count == MAX_SCAN_ID)
6896                         return -1;
6897                 scan_id[(*scan_id_count)++] = atoi(pos);
6898                 pos = os_strchr(pos, ',');
6899                 if (pos)
6900                         pos++;
6901         }
6902
6903         return 0;
6904 }
6905
6906
6907 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
6908                            char *reply, int reply_size, int *reply_len)
6909 {
6910         char *pos;
6911         unsigned int manual_scan_passive = 0;
6912         unsigned int manual_scan_use_id = 0;
6913         unsigned int manual_scan_only_new = 0;
6914         unsigned int scan_only = 0;
6915         unsigned int scan_id_count = 0;
6916         int scan_id[MAX_SCAN_ID];
6917         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
6918                                  struct wpa_scan_results *scan_res);
6919         int *manual_scan_freqs = NULL;
6920
6921         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
6922                 *reply_len = -1;
6923                 return;
6924         }
6925
6926         if (radio_work_pending(wpa_s, "scan")) {
6927                 wpa_printf(MSG_DEBUG,
6928                            "Pending scan scheduled - reject new request");
6929                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
6930                 return;
6931         }
6932
6933         if (params) {
6934                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
6935                         scan_only = 1;
6936
6937                 pos = os_strstr(params, "freq=");
6938                 if (pos) {
6939                         manual_scan_freqs = freq_range_to_channel_list(wpa_s,
6940                                                                        pos + 5);
6941                         if (manual_scan_freqs == NULL) {
6942                                 *reply_len = -1;
6943                                 goto done;
6944                         }
6945                 }
6946
6947                 pos = os_strstr(params, "passive=");
6948                 if (pos)
6949                         manual_scan_passive = !!atoi(pos + 8);
6950
6951                 pos = os_strstr(params, "use_id=");
6952                 if (pos)
6953                         manual_scan_use_id = atoi(pos + 7);
6954
6955                 pos = os_strstr(params, "only_new=1");
6956                 if (pos)
6957                         manual_scan_only_new = 1;
6958
6959                 pos = os_strstr(params, "scan_id=");
6960                 if (pos && scan_id_list_parse(wpa_s, pos + 8, &scan_id_count,
6961                                               scan_id) < 0) {
6962                         *reply_len = -1;
6963                         goto done;
6964                 }
6965         }
6966
6967         if (scan_only)
6968                 scan_res_handler = scan_only_handler;
6969         else if (wpa_s->scan_res_handler == scan_only_handler)
6970                 scan_res_handler = NULL;
6971         else
6972                 scan_res_handler = wpa_s->scan_res_handler;
6973
6974         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
6975             ((wpa_s->wpa_state <= WPA_SCANNING) ||
6976              (wpa_s->wpa_state == WPA_COMPLETED))) {
6977                 wpa_s->manual_scan_passive = manual_scan_passive;
6978                 wpa_s->manual_scan_use_id = manual_scan_use_id;
6979                 wpa_s->manual_scan_only_new = manual_scan_only_new;
6980                 wpa_s->scan_id_count = scan_id_count;
6981                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
6982                 wpa_s->scan_res_handler = scan_res_handler;
6983                 os_free(wpa_s->manual_scan_freqs);
6984                 wpa_s->manual_scan_freqs = manual_scan_freqs;
6985                 manual_scan_freqs = NULL;
6986
6987                 wpa_s->normal_scans = 0;
6988                 wpa_s->scan_req = MANUAL_SCAN_REQ;
6989                 wpa_s->after_wps = 0;
6990                 wpa_s->known_wps_freq = 0;
6991                 wpa_supplicant_req_scan(wpa_s, 0, 0);
6992                 if (wpa_s->manual_scan_use_id) {
6993                         wpa_s->manual_scan_id++;
6994                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
6995                                 wpa_s->manual_scan_id);
6996                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
6997                                                  wpa_s->manual_scan_id);
6998                 }
6999         } else if (wpa_s->sched_scanning) {
7000                 wpa_s->manual_scan_passive = manual_scan_passive;
7001                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7002                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7003                 wpa_s->scan_id_count = scan_id_count;
7004                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7005                 wpa_s->scan_res_handler = scan_res_handler;
7006                 os_free(wpa_s->manual_scan_freqs);
7007                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7008                 manual_scan_freqs = NULL;
7009
7010                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
7011                 wpa_supplicant_cancel_sched_scan(wpa_s);
7012                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7013                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7014                 if (wpa_s->manual_scan_use_id) {
7015                         wpa_s->manual_scan_id++;
7016                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7017                                                  wpa_s->manual_scan_id);
7018                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7019                                 wpa_s->manual_scan_id);
7020                 }
7021         } else {
7022                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
7023                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7024         }
7025
7026 done:
7027         os_free(manual_scan_freqs);
7028 }
7029
7030
7031 #ifdef CONFIG_TESTING_OPTIONS
7032
7033 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
7034                                        unsigned int freq, const u8 *dst,
7035                                        const u8 *src, const u8 *bssid,
7036                                        const u8 *data, size_t data_len,
7037                                        enum offchannel_send_action_result
7038                                        result)
7039 {
7040         wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
7041                 " src=" MACSTR " bssid=" MACSTR " result=%s",
7042                 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
7043                 result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
7044                 "SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
7045                              "NO_ACK" : "FAILED"));
7046 }
7047
7048
7049 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
7050 {
7051         char *pos, *param;
7052         size_t len;
7053         u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
7054         int res, used;
7055         int freq = 0, no_cck = 0, wait_time = 0;
7056
7057         /* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
7058          *    <action=Action frame payload> */
7059
7060         wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
7061
7062         pos = cmd;
7063         used = hwaddr_aton2(pos, da);
7064         if (used < 0)
7065                 return -1;
7066         pos += used;
7067         while (*pos == ' ')
7068                 pos++;
7069         used = hwaddr_aton2(pos, bssid);
7070         if (used < 0)
7071                 return -1;
7072         pos += used;
7073
7074         param = os_strstr(pos, " freq=");
7075         if (param) {
7076                 param += 6;
7077                 freq = atoi(param);
7078         }
7079
7080         param = os_strstr(pos, " no_cck=");
7081         if (param) {
7082                 param += 8;
7083                 no_cck = atoi(param);
7084         }
7085
7086         param = os_strstr(pos, " wait_time=");
7087         if (param) {
7088                 param += 11;
7089                 wait_time = atoi(param);
7090         }
7091
7092         param = os_strstr(pos, " action=");
7093         if (param == NULL)
7094                 return -1;
7095         param += 8;
7096
7097         len = os_strlen(param);
7098         if (len & 1)
7099                 return -1;
7100         len /= 2;
7101
7102         buf = os_malloc(len);
7103         if (buf == NULL)
7104                 return -1;
7105
7106         if (hexstr2bin(param, buf, len) < 0) {
7107                 os_free(buf);
7108                 return -1;
7109         }
7110
7111         res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
7112                                      buf, len, wait_time,
7113                                      wpas_ctrl_iface_mgmt_tx_cb, no_cck);
7114         os_free(buf);
7115         return res;
7116 }
7117
7118
7119 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
7120 {
7121         wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
7122         offchannel_send_action_done(wpa_s);
7123 }
7124
7125
7126 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
7127 {
7128         char *pos, *param;
7129         union wpa_event_data event;
7130         enum wpa_event_type ev;
7131
7132         /* <event name> [parameters..] */
7133
7134         wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
7135
7136         pos = cmd;
7137         param = os_strchr(pos, ' ');
7138         if (param)
7139                 *param++ = '\0';
7140
7141         os_memset(&event, 0, sizeof(event));
7142
7143         if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
7144                 ev = EVENT_INTERFACE_ENABLED;
7145         } else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
7146                 ev = EVENT_INTERFACE_DISABLED;
7147         } else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
7148                 ev = EVENT_AVOID_FREQUENCIES;
7149                 if (param == NULL)
7150                         param = "";
7151                 if (freq_range_list_parse(&event.freq_range, param) < 0)
7152                         return -1;
7153                 wpa_supplicant_event(wpa_s, ev, &event);
7154                 os_free(event.freq_range.range);
7155                 return 0;
7156         } else {
7157                 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
7158                         cmd);
7159                 return -1;
7160         }
7161
7162         wpa_supplicant_event(wpa_s, ev, &event);
7163
7164         return 0;
7165 }
7166
7167
7168 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
7169 {
7170         char *pos;
7171         u8 src[ETH_ALEN], *buf;
7172         int used;
7173         size_t len;
7174
7175         wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
7176
7177         pos = cmd;
7178         used = hwaddr_aton2(pos, src);
7179         if (used < 0)
7180                 return -1;
7181         pos += used;
7182         while (*pos == ' ')
7183                 pos++;
7184
7185         len = os_strlen(pos);
7186         if (len & 1)
7187                 return -1;
7188         len /= 2;
7189
7190         buf = os_malloc(len);
7191         if (buf == NULL)
7192                 return -1;
7193
7194         if (hexstr2bin(pos, buf, len) < 0) {
7195                 os_free(buf);
7196                 return -1;
7197         }
7198
7199         wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
7200         os_free(buf);
7201
7202         return 0;
7203 }
7204
7205
7206 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
7207 {
7208         size_t i;
7209         u32 sum = 0;
7210         const u16 *pos = buf;
7211
7212         for (i = 0; i < len / 2; i++)
7213                 sum += *pos++;
7214
7215         while (sum >> 16)
7216                 sum = (sum & 0xffff) + (sum >> 16);
7217
7218         return sum ^ 0xffff;
7219 }
7220
7221
7222 #define HWSIM_PACKETLEN 1500
7223 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
7224
7225 void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
7226 {
7227         struct wpa_supplicant *wpa_s = ctx;
7228         const struct ether_header *eth;
7229         const struct iphdr *ip;
7230         const u8 *pos;
7231         unsigned int i;
7232
7233         if (len != HWSIM_PACKETLEN)
7234                 return;
7235
7236         eth = (const struct ether_header *) buf;
7237         ip = (const struct iphdr *) (eth + 1);
7238         pos = (const u8 *) (ip + 1);
7239
7240         if (ip->ihl != 5 || ip->version != 4 ||
7241             ntohs(ip->tot_len) != HWSIM_IP_LEN)
7242                 return;
7243
7244         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++) {
7245                 if (*pos != (u8) i)
7246                         return;
7247                 pos++;
7248         }
7249
7250         wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
7251                 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
7252 }
7253
7254
7255 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
7256                                             char *cmd)
7257 {
7258         int enabled = atoi(cmd);
7259
7260         if (!enabled) {
7261                 if (wpa_s->l2_test) {
7262                         l2_packet_deinit(wpa_s->l2_test);
7263                         wpa_s->l2_test = NULL;
7264                         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
7265                 }
7266                 return 0;
7267         }
7268
7269         if (wpa_s->l2_test)
7270                 return 0;
7271
7272         wpa_s->l2_test = l2_packet_init(wpa_s->ifname, wpa_s->own_addr,
7273                                         ETHERTYPE_IP, wpas_data_test_rx,
7274                                         wpa_s, 1);
7275         if (wpa_s->l2_test == NULL)
7276                 return -1;
7277
7278         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
7279
7280         return 0;
7281 }
7282
7283
7284 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
7285 {
7286         u8 dst[ETH_ALEN], src[ETH_ALEN];
7287         char *pos;
7288         int used;
7289         long int val;
7290         u8 tos;
7291         u8 buf[HWSIM_PACKETLEN];
7292         struct ether_header *eth;
7293         struct iphdr *ip;
7294         u8 *dpos;
7295         unsigned int i;
7296
7297         if (wpa_s->l2_test == NULL)
7298                 return -1;
7299
7300         /* format: <dst> <src> <tos> */
7301
7302         pos = cmd;
7303         used = hwaddr_aton2(pos, dst);
7304         if (used < 0)
7305                 return -1;
7306         pos += used;
7307         while (*pos == ' ')
7308                 pos++;
7309         used = hwaddr_aton2(pos, src);
7310         if (used < 0)
7311                 return -1;
7312         pos += used;
7313
7314         val = strtol(pos, NULL, 0);
7315         if (val < 0 || val > 0xff)
7316                 return -1;
7317         tos = val;
7318
7319         eth = (struct ether_header *) buf;
7320         os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
7321         os_memcpy(eth->ether_shost, src, ETH_ALEN);
7322         eth->ether_type = htons(ETHERTYPE_IP);
7323         ip = (struct iphdr *) (eth + 1);
7324         os_memset(ip, 0, sizeof(*ip));
7325         ip->ihl = 5;
7326         ip->version = 4;
7327         ip->ttl = 64;
7328         ip->tos = tos;
7329         ip->tot_len = htons(HWSIM_IP_LEN);
7330         ip->protocol = 1;
7331         ip->saddr = htonl(192 << 24 | 168 << 16 | 1 << 8 | 1);
7332         ip->daddr = htonl(192 << 24 | 168 << 16 | 1 << 8 | 2);
7333         ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
7334         dpos = (u8 *) (ip + 1);
7335         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
7336                 *dpos++ = i;
7337
7338         if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, buf,
7339                            HWSIM_PACKETLEN) < 0)
7340                 return -1;
7341
7342         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
7343                 " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
7344
7345         return 0;
7346 }
7347
7348
7349 static int wpas_ctrl_iface_data_test_frame(struct wpa_supplicant *wpa_s,
7350                                            char *cmd)
7351 {
7352         u8 *buf;
7353         struct ether_header *eth;
7354         struct l2_packet_data *l2 = NULL;
7355         size_t len;
7356         u16 ethertype;
7357         int res = -1;
7358
7359         len = os_strlen(cmd);
7360         if (len & 1 || len < ETH_HLEN * 2)
7361                 return -1;
7362         len /= 2;
7363
7364         buf = os_malloc(len);
7365         if (buf == NULL)
7366                 return -1;
7367
7368         if (hexstr2bin(cmd, buf, len) < 0)
7369                 goto done;
7370
7371         eth = (struct ether_header *) buf;
7372         ethertype = ntohs(eth->ether_type);
7373
7374         l2 = l2_packet_init(wpa_s->ifname, wpa_s->own_addr, ethertype,
7375                             wpas_data_test_rx, wpa_s, 1);
7376         if (l2 == NULL)
7377                 goto done;
7378
7379         res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
7380         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX frame res=%d", res);
7381 done:
7382         if (l2)
7383                 l2_packet_deinit(l2);
7384         os_free(buf);
7385
7386         return res < 0 ? -1 : 0;
7387 }
7388
7389
7390 static int wpas_ctrl_test_alloc_fail(struct wpa_supplicant *wpa_s, char *cmd)
7391 {
7392 #ifdef WPA_TRACE_BFD
7393         extern char wpa_trace_fail_func[256];
7394         extern unsigned int wpa_trace_fail_after;
7395         char *pos;
7396
7397         wpa_trace_fail_after = atoi(cmd);
7398         pos = os_strchr(cmd, ':');
7399         if (pos) {
7400                 pos++;
7401                 os_strlcpy(wpa_trace_fail_func, pos,
7402                            sizeof(wpa_trace_fail_func));
7403         } else {
7404                 wpa_trace_fail_after = 0;
7405         }
7406         return 0;
7407 #else /* WPA_TRACE_BFD */
7408         return -1;
7409 #endif /* WPA_TRACE_BFD */
7410 }
7411
7412
7413 static int wpas_ctrl_get_alloc_fail(struct wpa_supplicant *wpa_s,
7414                                     char *buf, size_t buflen)
7415 {
7416 #ifdef WPA_TRACE_BFD
7417         extern char wpa_trace_fail_func[256];
7418         extern unsigned int wpa_trace_fail_after;
7419
7420         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
7421                            wpa_trace_fail_func);
7422 #else /* WPA_TRACE_BFD */
7423         return -1;
7424 #endif /* WPA_TRACE_BFD */
7425 }
7426
7427 #endif /* CONFIG_TESTING_OPTIONS */
7428
7429
7430 static void wpas_ctrl_vendor_elem_update(struct wpa_supplicant *wpa_s)
7431 {
7432         unsigned int i;
7433         char buf[30];
7434
7435         wpa_printf(MSG_DEBUG, "Update vendor elements");
7436
7437         for (i = 0; i < NUM_VENDOR_ELEM_FRAMES; i++) {
7438                 if (wpa_s->vendor_elem[i]) {
7439                         int res;
7440
7441                         res = os_snprintf(buf, sizeof(buf), "frame[%u]", i);
7442                         if (!os_snprintf_error(sizeof(buf), res)) {
7443                                 wpa_hexdump_buf(MSG_DEBUG, buf,
7444                                                 wpa_s->vendor_elem[i]);
7445                         }
7446                 }
7447         }
7448
7449 #ifdef CONFIG_P2P
7450         if (wpa_s->parent == wpa_s &&
7451             wpa_s->global->p2p &&
7452             !wpa_s->global->p2p_disabled)
7453                 p2p_set_vendor_elems(wpa_s->global->p2p, wpa_s->vendor_elem);
7454 #endif /* CONFIG_P2P */
7455 }
7456
7457
7458 static struct wpa_supplicant *
7459 wpas_ctrl_vendor_elem_iface(struct wpa_supplicant *wpa_s,
7460                             enum wpa_vendor_elem_frame frame)
7461 {
7462         switch (frame) {
7463 #ifdef CONFIG_P2P
7464         case VENDOR_ELEM_PROBE_REQ_P2P:
7465         case VENDOR_ELEM_PROBE_RESP_P2P:
7466         case VENDOR_ELEM_PROBE_RESP_P2P_GO:
7467         case VENDOR_ELEM_BEACON_P2P_GO:
7468         case VENDOR_ELEM_P2P_PD_REQ:
7469         case VENDOR_ELEM_P2P_PD_RESP:
7470         case VENDOR_ELEM_P2P_GO_NEG_REQ:
7471         case VENDOR_ELEM_P2P_GO_NEG_RESP:
7472         case VENDOR_ELEM_P2P_GO_NEG_CONF:
7473         case VENDOR_ELEM_P2P_INV_REQ:
7474         case VENDOR_ELEM_P2P_INV_RESP:
7475         case VENDOR_ELEM_P2P_ASSOC_REQ:
7476                 return wpa_s->parent;
7477 #endif /* CONFIG_P2P */
7478         default:
7479                 return wpa_s;
7480         }
7481 }
7482
7483
7484 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
7485 {
7486         char *pos = cmd;
7487         int frame;
7488         size_t len;
7489         struct wpabuf *buf;
7490         struct ieee802_11_elems elems;
7491
7492         frame = atoi(pos);
7493         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7494                 return -1;
7495         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7496
7497         pos = os_strchr(pos, ' ');
7498         if (pos == NULL)
7499                 return -1;
7500         pos++;
7501
7502         len = os_strlen(pos);
7503         if (len == 0)
7504                 return 0;
7505         if (len & 1)
7506                 return -1;
7507         len /= 2;
7508
7509         buf = wpabuf_alloc(len);
7510         if (buf == NULL)
7511                 return -1;
7512
7513         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
7514                 wpabuf_free(buf);
7515                 return -1;
7516         }
7517
7518         if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
7519             ParseFailed) {
7520                 wpabuf_free(buf);
7521                 return -1;
7522         }
7523
7524         if (wpa_s->vendor_elem[frame] == NULL) {
7525                 wpa_s->vendor_elem[frame] = buf;
7526                 wpas_ctrl_vendor_elem_update(wpa_s);
7527                 return 0;
7528         }
7529
7530         if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
7531                 wpabuf_free(buf);
7532                 return -1;
7533         }
7534
7535         wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
7536         wpabuf_free(buf);
7537         wpas_ctrl_vendor_elem_update(wpa_s);
7538
7539         return 0;
7540 }
7541
7542
7543 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
7544                                      char *buf, size_t buflen)
7545 {
7546         int frame = atoi(cmd);
7547
7548         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7549                 return -1;
7550         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7551
7552         if (wpa_s->vendor_elem[frame] == NULL)
7553                 return 0;
7554
7555         return wpa_snprintf_hex(buf, buflen,
7556                                 wpabuf_head_u8(wpa_s->vendor_elem[frame]),
7557                                 wpabuf_len(wpa_s->vendor_elem[frame]));
7558 }
7559
7560
7561 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
7562 {
7563         char *pos = cmd;
7564         int frame;
7565         size_t len;
7566         u8 *buf;
7567         struct ieee802_11_elems elems;
7568         u8 *ie, *end;
7569
7570         frame = atoi(pos);
7571         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7572                 return -1;
7573         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7574
7575         pos = os_strchr(pos, ' ');
7576         if (pos == NULL)
7577                 return -1;
7578         pos++;
7579
7580         if (*pos == '*') {
7581                 wpabuf_free(wpa_s->vendor_elem[frame]);
7582                 wpa_s->vendor_elem[frame] = NULL;
7583                 wpas_ctrl_vendor_elem_update(wpa_s);
7584                 return 0;
7585         }
7586
7587         if (wpa_s->vendor_elem[frame] == NULL)
7588                 return -1;
7589
7590         len = os_strlen(pos);
7591         if (len == 0)
7592                 return 0;
7593         if (len & 1)
7594                 return -1;
7595         len /= 2;
7596
7597         buf = os_malloc(len);
7598         if (buf == NULL)
7599                 return -1;
7600
7601         if (hexstr2bin(pos, buf, len) < 0) {
7602                 os_free(buf);
7603                 return -1;
7604         }
7605
7606         if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
7607                 os_free(buf);
7608                 return -1;
7609         }
7610
7611         ie = wpabuf_mhead_u8(wpa_s->vendor_elem[frame]);
7612         end = ie + wpabuf_len(wpa_s->vendor_elem[frame]);
7613
7614         for (; ie + 1 < end; ie += 2 + ie[1]) {
7615                 if (ie + len > end)
7616                         break;
7617                 if (os_memcmp(ie, buf, len) != 0)
7618                         continue;
7619
7620                 if (wpabuf_len(wpa_s->vendor_elem[frame]) == len) {
7621                         wpabuf_free(wpa_s->vendor_elem[frame]);
7622                         wpa_s->vendor_elem[frame] = NULL;
7623                 } else {
7624                         os_memmove(ie, ie + len,
7625                                    end - (ie + len));
7626                         wpa_s->vendor_elem[frame]->used -= len;
7627                 }
7628                 os_free(buf);
7629                 wpas_ctrl_vendor_elem_update(wpa_s);
7630                 return 0;
7631         }
7632
7633         os_free(buf);
7634
7635         return -1;
7636 }
7637
7638
7639 static void wpas_ctrl_neighbor_rep_cb(void *ctx, struct wpabuf *neighbor_rep)
7640 {
7641         struct wpa_supplicant *wpa_s = ctx;
7642
7643         if (neighbor_rep) {
7644                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_RXED
7645                              "length=%u",
7646                              (unsigned int) wpabuf_len(neighbor_rep));
7647                 wpabuf_free(neighbor_rep);
7648         } else {
7649                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_FAILED);
7650         }
7651 }
7652
7653
7654 static int wpas_ctrl_iface_send_neigbor_rep(struct wpa_supplicant *wpa_s,
7655                                             char *cmd)
7656 {
7657         struct wpa_ssid ssid;
7658         struct wpa_ssid *ssid_p = NULL;
7659         int ret = 0;
7660
7661         if (os_strncmp(cmd, " ssid=", 6) == 0) {
7662                 ssid.ssid_len = os_strlen(cmd + 6);
7663                 if (ssid.ssid_len > 32)
7664                         return -1;
7665                 ssid.ssid = (u8 *) (cmd + 6);
7666                 ssid_p = &ssid;
7667         }
7668
7669         ret = wpas_rrm_send_neighbor_rep_request(wpa_s, ssid_p,
7670                                                  wpas_ctrl_neighbor_rep_cb,
7671                                                  wpa_s);
7672
7673         return ret;
7674 }
7675
7676
7677 static int wpas_ctrl_iface_erp_flush(struct wpa_supplicant *wpa_s)
7678 {
7679         eapol_sm_erp_flush(wpa_s->eapol);
7680         return 0;
7681 }
7682
7683
7684 static int wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant *wpa_s,
7685                                          char *cmd)
7686 {
7687         char *token, *context = NULL;
7688         unsigned int enable = ~0, type = 0;
7689         u8 _addr[ETH_ALEN], _mask[ETH_ALEN];
7690         u8 *addr = NULL, *mask = NULL;
7691
7692         while ((token = str_token(cmd, " ", &context))) {
7693                 if (os_strcasecmp(token, "scan") == 0) {
7694                         type |= MAC_ADDR_RAND_SCAN;
7695                 } else if (os_strcasecmp(token, "sched") == 0) {
7696                         type |= MAC_ADDR_RAND_SCHED_SCAN;
7697                 } else if (os_strcasecmp(token, "pno") == 0) {
7698                         type |= MAC_ADDR_RAND_PNO;
7699                 } else if (os_strcasecmp(token, "all") == 0) {
7700                         type = wpa_s->mac_addr_rand_supported;
7701                 } else if (os_strncasecmp(token, "enable=", 7) == 0) {
7702                         enable = atoi(token + 7);
7703                 } else if (os_strncasecmp(token, "addr=", 5) == 0) {
7704                         addr = _addr;
7705                         if (hwaddr_aton(token + 5, addr)) {
7706                                 wpa_printf(MSG_INFO,
7707                                            "CTRL: Invalid MAC address: %s",
7708                                            token);
7709                                 return -1;
7710                         }
7711                 } else if (os_strncasecmp(token, "mask=", 5) == 0) {
7712                         mask = _mask;
7713                         if (hwaddr_aton(token + 5, mask)) {
7714                                 wpa_printf(MSG_INFO,
7715                                            "CTRL: Invalid MAC address mask: %s",
7716                                            token);
7717                                 return -1;
7718                         }
7719                 } else {
7720                         wpa_printf(MSG_INFO,
7721                                    "CTRL: Invalid MAC_RAND_SCAN parameter: %s",
7722                                    token);
7723                         return -1;
7724                 }
7725         }
7726
7727         if (!type) {
7728                 wpa_printf(MSG_INFO, "CTRL: MAC_RAND_SCAN no type specified");
7729                 return -1;
7730         }
7731
7732         if ((wpa_s->mac_addr_rand_supported & type) != type) {
7733                 wpa_printf(MSG_INFO,
7734                            "CTRL: MAC_RAND_SCAN types=%u != supported=%u",
7735                            type, wpa_s->mac_addr_rand_supported);
7736                 return -1;
7737         }
7738
7739         if (enable > 1) {
7740                 wpa_printf(MSG_INFO,
7741                            "CTRL: MAC_RAND_SCAN enable=<0/1> not specified");
7742                 return -1;
7743         }
7744
7745         if (!enable) {
7746                 wpas_mac_addr_rand_scan_clear(wpa_s, type);
7747                 if (wpa_s->pno) {
7748                         if (type & MAC_ADDR_RAND_PNO) {
7749                                 wpas_stop_pno(wpa_s);
7750                                 wpas_start_pno(wpa_s);
7751                         }
7752                 } else if (wpa_s->sched_scanning &&
7753                            (type & MAC_ADDR_RAND_SCHED_SCAN)) {
7754                         /* simulate timeout to restart the sched scan */
7755                         wpa_s->sched_scan_timed_out = 1;
7756                         wpa_s->prev_sched_ssid = NULL;
7757                         wpa_supplicant_cancel_sched_scan(wpa_s);
7758                 }
7759                 return 0;
7760         }
7761
7762         if ((addr && !mask) || (!addr && mask)) {
7763                 wpa_printf(MSG_INFO,
7764                            "CTRL: MAC_RAND_SCAN invalid addr/mask combination");
7765                 return -1;
7766         }
7767
7768         if (addr && mask && (!(mask[0] & 0x01) || (addr[0] & 0x01))) {
7769                 wpa_printf(MSG_INFO,
7770                            "CTRL: MAC_RAND_SCAN cannot allow multicast address");
7771                 return -1;
7772         }
7773
7774         if (type & MAC_ADDR_RAND_SCAN) {
7775                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCAN,
7776                                             addr, mask);
7777         }
7778
7779         if (type & MAC_ADDR_RAND_SCHED_SCAN) {
7780                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCHED_SCAN,
7781                                             addr, mask);
7782
7783                 if (wpa_s->sched_scanning && !wpa_s->pno) {
7784                         /* simulate timeout to restart the sched scan */
7785                         wpa_s->sched_scan_timed_out = 1;
7786                         wpa_s->prev_sched_ssid = NULL;
7787                         wpa_supplicant_cancel_sched_scan(wpa_s);
7788                 }
7789         }
7790
7791         if (type & MAC_ADDR_RAND_PNO) {
7792                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_PNO,
7793                                             addr, mask);
7794                 if (wpa_s->pno) {
7795                         wpas_stop_pno(wpa_s);
7796                         wpas_start_pno(wpa_s);
7797                 }
7798         }
7799
7800         return 0;
7801 }
7802
7803
7804 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
7805                                          char *buf, size_t *resp_len)
7806 {
7807         char *reply;
7808         const int reply_size = 4096;
7809         int reply_len;
7810
7811         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
7812             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
7813                 if (wpa_debug_show_keys)
7814                         wpa_dbg(wpa_s, MSG_DEBUG,
7815                                 "Control interface command '%s'", buf);
7816                 else
7817                         wpa_dbg(wpa_s, MSG_DEBUG,
7818                                 "Control interface command '%s [REMOVED]'",
7819                                 os_strncmp(buf, WPA_CTRL_RSP,
7820                                            os_strlen(WPA_CTRL_RSP)) == 0 ?
7821                                 WPA_CTRL_RSP : "SET_NETWORK");
7822         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
7823                    os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
7824                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
7825                                       (const u8 *) buf, os_strlen(buf));
7826         } else {
7827                 int level = MSG_DEBUG;
7828                 if (os_strcmp(buf, "PING") == 0)
7829                         level = MSG_EXCESSIVE;
7830                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
7831         }
7832
7833         reply = os_malloc(reply_size);
7834         if (reply == NULL) {
7835                 *resp_len = 1;
7836                 return NULL;
7837         }
7838
7839         os_memcpy(reply, "OK\n", 3);
7840         reply_len = 3;
7841
7842         if (os_strcmp(buf, "PING") == 0) {
7843                 os_memcpy(reply, "PONG\n", 5);
7844                 reply_len = 5;
7845         } else if (os_strcmp(buf, "IFNAME") == 0) {
7846                 reply_len = os_strlen(wpa_s->ifname);
7847                 os_memcpy(reply, wpa_s->ifname, reply_len);
7848         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
7849                 if (wpa_debug_reopen_file() < 0)
7850                         reply_len = -1;
7851         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
7852                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
7853         } else if (os_strcmp(buf, "MIB") == 0) {
7854                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
7855                 if (reply_len >= 0) {
7856                         reply_len += eapol_sm_get_mib(wpa_s->eapol,
7857                                                       reply + reply_len,
7858                                                       reply_size - reply_len);
7859                 }
7860         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
7861                 reply_len = wpa_supplicant_ctrl_iface_status(
7862                         wpa_s, buf + 6, reply, reply_size);
7863         } else if (os_strcmp(buf, "PMKSA") == 0) {
7864                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
7865                                                     reply_size);
7866         } else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
7867                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
7868         } else if (os_strncmp(buf, "SET ", 4) == 0) {
7869                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
7870                         reply_len = -1;
7871         } else if (os_strncmp(buf, "DUMP", 4) == 0) {
7872                 reply_len = wpa_config_dump_values(wpa_s->conf,
7873                                                    reply, reply_size);
7874         } else if (os_strncmp(buf, "GET ", 4) == 0) {
7875                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
7876                                                           reply, reply_size);
7877         } else if (os_strcmp(buf, "LOGON") == 0) {
7878                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
7879         } else if (os_strcmp(buf, "LOGOFF") == 0) {
7880                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
7881         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
7882                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
7883                         reply_len = -1;
7884                 else
7885                         wpas_request_connection(wpa_s);
7886         } else if (os_strcmp(buf, "REATTACH") == 0) {
7887                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
7888                     !wpa_s->current_ssid)
7889                         reply_len = -1;
7890                 else {
7891                         wpa_s->reattach = 1;
7892                         wpas_request_connection(wpa_s);
7893                 }
7894         } else if (os_strcmp(buf, "RECONNECT") == 0) {
7895                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
7896                         reply_len = -1;
7897                 else if (wpa_s->disconnected)
7898                         wpas_request_connection(wpa_s);
7899 #ifdef IEEE8021X_EAPOL
7900         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
7901                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
7902                         reply_len = -1;
7903 #endif /* IEEE8021X_EAPOL */
7904 #ifdef CONFIG_PEERKEY
7905         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
7906                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
7907                         reply_len = -1;
7908 #endif /* CONFIG_PEERKEY */
7909 #ifdef CONFIG_IEEE80211R
7910         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
7911                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
7912                         reply_len = -1;
7913 #endif /* CONFIG_IEEE80211R */
7914 #ifdef CONFIG_WPS
7915         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
7916                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
7917                 if (res == -2) {
7918                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
7919                         reply_len = 17;
7920                 } else if (res)
7921                         reply_len = -1;
7922         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
7923                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
7924                 if (res == -2) {
7925                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
7926                         reply_len = 17;
7927                 } else if (res)
7928                         reply_len = -1;
7929         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
7930                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
7931                                                               reply,
7932                                                               reply_size);
7933         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
7934                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
7935                         wpa_s, buf + 14, reply, reply_size);
7936         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
7937                 if (wpas_wps_cancel(wpa_s))
7938                         reply_len = -1;
7939 #ifdef CONFIG_WPS_NFC
7940         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
7941                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
7942                         reply_len = -1;
7943         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
7944                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
7945                         reply_len = -1;
7946         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
7947                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
7948                         wpa_s, buf + 21, reply, reply_size);
7949         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
7950                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
7951                         wpa_s, buf + 14, reply, reply_size);
7952         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
7953                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
7954                                                                buf + 17))
7955                         reply_len = -1;
7956         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
7957                 reply_len = wpas_ctrl_nfc_get_handover_req(
7958                         wpa_s, buf + 21, reply, reply_size);
7959         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
7960                 reply_len = wpas_ctrl_nfc_get_handover_sel(
7961                         wpa_s, buf + 21, reply, reply_size);
7962         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
7963                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
7964                         reply_len = -1;
7965 #endif /* CONFIG_WPS_NFC */
7966         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
7967                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
7968                         reply_len = -1;
7969 #ifdef CONFIG_AP
7970         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
7971                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
7972                         wpa_s, buf + 11, reply, reply_size);
7973 #endif /* CONFIG_AP */
7974 #ifdef CONFIG_WPS_ER
7975         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
7976                 if (wpas_wps_er_start(wpa_s, NULL))
7977                         reply_len = -1;
7978         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
7979                 if (wpas_wps_er_start(wpa_s, buf + 13))
7980                         reply_len = -1;
7981         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
7982                 wpas_wps_er_stop(wpa_s);
7983         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
7984                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
7985                         reply_len = -1;
7986         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
7987                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
7988                 if (ret == -2) {
7989                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
7990                         reply_len = 17;
7991                 } else if (ret == -3) {
7992                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
7993                         reply_len = 18;
7994                 } else if (ret == -4) {
7995                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
7996                         reply_len = 20;
7997                 } else if (ret)
7998                         reply_len = -1;
7999         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
8000                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
8001                         reply_len = -1;
8002         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
8003                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
8004                                                                 buf + 18))
8005                         reply_len = -1;
8006         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
8007                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
8008                         reply_len = -1;
8009 #ifdef CONFIG_WPS_NFC
8010         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
8011                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
8012                         wpa_s, buf + 24, reply, reply_size);
8013 #endif /* CONFIG_WPS_NFC */
8014 #endif /* CONFIG_WPS_ER */
8015 #endif /* CONFIG_WPS */
8016 #ifdef CONFIG_IBSS_RSN
8017         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
8018                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
8019                         reply_len = -1;
8020 #endif /* CONFIG_IBSS_RSN */
8021 #ifdef CONFIG_MESH
8022         } else if (os_strncmp(buf, "MESH_INTERFACE_ADD ", 19) == 0) {
8023                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8024                         wpa_s, buf + 19, reply, reply_size);
8025         } else if (os_strcmp(buf, "MESH_INTERFACE_ADD") == 0) {
8026                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8027                         wpa_s, "", reply, reply_size);
8028         } else if (os_strncmp(buf, "MESH_GROUP_ADD ", 15) == 0) {
8029                 if (wpa_supplicant_ctrl_iface_mesh_group_add(wpa_s, buf + 15))
8030                         reply_len = -1;
8031         } else if (os_strncmp(buf, "MESH_GROUP_REMOVE ", 18) == 0) {
8032                 if (wpa_supplicant_ctrl_iface_mesh_group_remove(wpa_s,
8033                                                                 buf + 18))
8034                         reply_len = -1;
8035 #endif /* CONFIG_MESH */
8036 #ifdef CONFIG_P2P
8037         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
8038                 if (p2p_ctrl_find(wpa_s, buf + 8))
8039                         reply_len = -1;
8040         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
8041                 if (p2p_ctrl_find(wpa_s, ""))
8042                         reply_len = -1;
8043         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
8044                 wpas_p2p_stop_find(wpa_s);
8045         } else if (os_strncmp(buf, "P2P_ASP_PROVISION ", 18) == 0) {
8046                 if (p2p_ctrl_asp_provision(wpa_s, buf + 18))
8047                         reply_len = -1;
8048         } else if (os_strncmp(buf, "P2P_ASP_PROVISION_RESP ", 23) == 0) {
8049                 if (p2p_ctrl_asp_provision_resp(wpa_s, buf + 23))
8050                         reply_len = -1;
8051         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
8052                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
8053                                              reply_size);
8054         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
8055                 if (p2p_ctrl_listen(wpa_s, buf + 11))
8056                         reply_len = -1;
8057         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
8058                 if (p2p_ctrl_listen(wpa_s, ""))
8059                         reply_len = -1;
8060         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
8061                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
8062                         reply_len = -1;
8063         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
8064                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0, 0))
8065                         reply_len = -1;
8066         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
8067                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
8068                         reply_len = -1;
8069         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
8070                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
8071                         reply_len = -1;
8072         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
8073                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
8074         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
8075                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
8076                                                    reply_size);
8077         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
8078                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
8079                         reply_len = -1;
8080         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
8081                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
8082                         reply_len = -1;
8083         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
8084                 wpas_p2p_sd_service_update(wpa_s);
8085         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
8086                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
8087                         reply_len = -1;
8088         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
8089                 wpas_p2p_service_flush(wpa_s);
8090         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
8091                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
8092                         reply_len = -1;
8093         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
8094                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
8095                         reply_len = -1;
8096         } else if (os_strncmp(buf, "P2P_SERVICE_REP ", 16) == 0) {
8097                 if (p2p_ctrl_service_replace(wpa_s, buf + 16) < 0)
8098                         reply_len = -1;
8099         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
8100                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
8101                         reply_len = -1;
8102         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
8103                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
8104                         reply_len = -1;
8105         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
8106                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
8107                                               reply_size);
8108         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
8109                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
8110                         reply_len = -1;
8111         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
8112                 p2p_ctrl_flush(wpa_s);
8113         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
8114                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
8115                         reply_len = -1;
8116         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
8117                 if (wpas_p2p_cancel(wpa_s))
8118                         reply_len = -1;
8119         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
8120                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
8121                         reply_len = -1;
8122         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
8123                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
8124                         reply_len = -1;
8125         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
8126                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
8127                         reply_len = -1;
8128         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
8129                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
8130                         reply_len = -1;
8131         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
8132                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
8133                         reply_len = -1;
8134 #endif /* CONFIG_P2P */
8135 #ifdef CONFIG_WIFI_DISPLAY
8136         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
8137                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
8138                         reply_len = -1;
8139         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
8140                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
8141                                                      reply, reply_size);
8142 #endif /* CONFIG_WIFI_DISPLAY */
8143 #ifdef CONFIG_INTERWORKING
8144         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
8145                 if (interworking_fetch_anqp(wpa_s) < 0)
8146                         reply_len = -1;
8147         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
8148                 interworking_stop_fetch_anqp(wpa_s);
8149         } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
8150                 if (ctrl_interworking_select(wpa_s, NULL) < 0)
8151                         reply_len = -1;
8152         } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
8153                 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
8154                         reply_len = -1;
8155         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
8156                 if (ctrl_interworking_connect(wpa_s, buf + 21, 0) < 0)
8157                         reply_len = -1;
8158         } else if (os_strncmp(buf, "INTERWORKING_ADD_NETWORK ", 25) == 0) {
8159                 int id;
8160
8161                 id = ctrl_interworking_connect(wpa_s, buf + 25, 1);
8162                 if (id < 0)
8163                         reply_len = -1;
8164                 else {
8165                         reply_len = os_snprintf(reply, reply_size, "%d\n", id);
8166                         if (os_snprintf_error(reply_size, reply_len))
8167                                 reply_len = -1;
8168                 }
8169         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
8170                 if (get_anqp(wpa_s, buf + 9) < 0)
8171                         reply_len = -1;
8172         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
8173                 if (gas_request(wpa_s, buf + 12) < 0)
8174                         reply_len = -1;
8175         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
8176                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
8177                                              reply_size);
8178 #endif /* CONFIG_INTERWORKING */
8179 #ifdef CONFIG_HS20
8180         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
8181                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
8182                         reply_len = -1;
8183         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
8184                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
8185                         reply_len = -1;
8186         } else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
8187                 if (hs20_icon_request(wpa_s, buf + 18) < 0)
8188                         reply_len = -1;
8189         } else if (os_strcmp(buf, "FETCH_OSU") == 0) {
8190                 if (hs20_fetch_osu(wpa_s) < 0)
8191                         reply_len = -1;
8192         } else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
8193                 hs20_cancel_fetch_osu(wpa_s);
8194 #endif /* CONFIG_HS20 */
8195         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
8196         {
8197                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
8198                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
8199                         reply_len = -1;
8200                 else {
8201                         /*
8202                          * Notify response from timeout to allow the control
8203                          * interface response to be sent first.
8204                          */
8205                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
8206                                                wpa_s, NULL);
8207                 }
8208         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
8209                 if (wpa_supplicant_reload_configuration(wpa_s))
8210                         reply_len = -1;
8211         } else if (os_strcmp(buf, "TERMINATE") == 0) {
8212                 wpa_supplicant_terminate_proc(wpa_s->global);
8213         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
8214                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
8215                         reply_len = -1;
8216         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
8217                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
8218                         wpa_s, buf + 9, reply, reply_size);
8219         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
8220                 reply_len = wpa_supplicant_ctrl_iface_log_level(
8221                         wpa_s, buf + 9, reply, reply_size);
8222         } else if (os_strncmp(buf, "LIST_NETWORKS ", 14) == 0) {
8223                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8224                         wpa_s, buf + 14, reply, reply_size);
8225         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
8226                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8227                         wpa_s, NULL, reply, reply_size);
8228         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
8229 #ifdef CONFIG_SME
8230                 wpa_s->sme.prev_bssid_set = 0;
8231 #endif /* CONFIG_SME */
8232                 wpa_s->reassociate = 0;
8233                 wpa_s->disconnected = 1;
8234                 wpa_supplicant_cancel_sched_scan(wpa_s);
8235                 wpa_supplicant_cancel_scan(wpa_s);
8236                 wpa_supplicant_deauthenticate(wpa_s,
8237                                               WLAN_REASON_DEAUTH_LEAVING);
8238         } else if (os_strcmp(buf, "SCAN") == 0) {
8239                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
8240         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
8241                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
8242         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
8243                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
8244                         wpa_s, reply, reply_size);
8245         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
8246                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
8247                         reply_len = -1;
8248         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
8249                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
8250                         reply_len = -1;
8251         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
8252                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
8253                         reply_len = -1;
8254         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
8255                 reply_len = wpa_supplicant_ctrl_iface_add_network(
8256                         wpa_s, reply, reply_size);
8257         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
8258                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
8259                         reply_len = -1;
8260         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8261                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
8262                         reply_len = -1;
8263         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
8264                 reply_len = wpa_supplicant_ctrl_iface_get_network(
8265                         wpa_s, buf + 12, reply, reply_size);
8266         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
8267                 if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12))
8268                         reply_len = -1;
8269         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
8270                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
8271                         wpa_s, reply, reply_size);
8272         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
8273                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
8274                         wpa_s, reply, reply_size);
8275         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
8276                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
8277                         reply_len = -1;
8278         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
8279                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
8280                         reply_len = -1;
8281         } else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
8282                 reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
8283                                                                reply,
8284                                                                reply_size);
8285 #ifndef CONFIG_NO_CONFIG_WRITE
8286         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
8287                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
8288                         reply_len = -1;
8289 #endif /* CONFIG_NO_CONFIG_WRITE */
8290         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
8291                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
8292                         wpa_s, buf + 15, reply, reply_size);
8293         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
8294                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
8295                         reply_len = -1;
8296         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
8297                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
8298                         reply_len = -1;
8299         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
8300                 reply_len = wpa_supplicant_global_iface_list(
8301                         wpa_s->global, reply, reply_size);
8302         } else if (os_strcmp(buf, "INTERFACES") == 0) {
8303                 reply_len = wpa_supplicant_global_iface_interfaces(
8304                         wpa_s->global, reply, reply_size);
8305         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
8306                 reply_len = wpa_supplicant_ctrl_iface_bss(
8307                         wpa_s, buf + 4, reply, reply_size);
8308 #ifdef CONFIG_AP
8309         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
8310                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
8311         } else if (os_strncmp(buf, "STA ", 4) == 0) {
8312                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
8313                                               reply_size);
8314         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
8315                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
8316                                                    reply_size);
8317         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
8318                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
8319                         reply_len = -1;
8320         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
8321                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
8322                         reply_len = -1;
8323         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
8324                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
8325                         reply_len = -1;
8326         } else if (os_strcmp(buf, "STOP_AP") == 0) {
8327                 if (wpas_ap_stop_ap(wpa_s))
8328                         reply_len = -1;
8329 #endif /* CONFIG_AP */
8330         } else if (os_strcmp(buf, "SUSPEND") == 0) {
8331                 wpas_notify_suspend(wpa_s->global);
8332         } else if (os_strcmp(buf, "RESUME") == 0) {
8333                 wpas_notify_resume(wpa_s->global);
8334 #ifdef CONFIG_TESTING_OPTIONS
8335         } else if (os_strcmp(buf, "DROP_SA") == 0) {
8336                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
8337 #endif /* CONFIG_TESTING_OPTIONS */
8338         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
8339                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
8340                         reply_len = -1;
8341         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
8342                 wpa_s->auto_reconnect_disabled = atoi(buf + 16) == 0;
8343         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
8344                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
8345                         reply_len = -1;
8346         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
8347                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
8348                                                                buf + 17))
8349                         reply_len = -1;
8350         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
8351                 wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10);
8352 #ifdef CONFIG_TDLS
8353         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
8354                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
8355                         reply_len = -1;
8356         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
8357                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
8358                         reply_len = -1;
8359         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
8360                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
8361                         reply_len = -1;
8362         } else if (os_strncmp(buf, "TDLS_CHAN_SWITCH ", 17) == 0) {
8363                 if (wpa_supplicant_ctrl_iface_tdls_chan_switch(wpa_s,
8364                                                                buf + 17))
8365                         reply_len = -1;
8366         } else if (os_strncmp(buf, "TDLS_CANCEL_CHAN_SWITCH ", 24) == 0) {
8367                 if (wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(wpa_s,
8368                                                                       buf + 24))
8369                         reply_len = -1;
8370 #endif /* CONFIG_TDLS */
8371         } else if (os_strcmp(buf, "WMM_AC_STATUS") == 0) {
8372                 reply_len = wpas_wmm_ac_status(wpa_s, reply, reply_size);
8373         } else if (os_strncmp(buf, "WMM_AC_ADDTS ", 13) == 0) {
8374                 if (wmm_ac_ctrl_addts(wpa_s, buf + 13))
8375                         reply_len = -1;
8376         } else if (os_strncmp(buf, "WMM_AC_DELTS ", 13) == 0) {
8377                 if (wmm_ac_ctrl_delts(wpa_s, buf + 13))
8378                         reply_len = -1;
8379         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
8380                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
8381                                                        reply_size);
8382         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
8383                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
8384                                                        reply_size);
8385 #ifdef CONFIG_AUTOSCAN
8386         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
8387                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
8388                         reply_len = -1;
8389 #endif /* CONFIG_AUTOSCAN */
8390 #ifdef ANDROID
8391         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
8392                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
8393                                                       reply_size);
8394 #endif /* ANDROID */
8395         } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
8396                 reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
8397                                                       reply_size);
8398         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
8399                 pmksa_cache_clear_current(wpa_s->wpa);
8400                 eapol_sm_request_reauth(wpa_s->eapol);
8401 #ifdef CONFIG_WNM
8402         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
8403                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
8404                         reply_len = -1;
8405         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 14) == 0) {
8406                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 14))
8407                                 reply_len = -1;
8408 #endif /* CONFIG_WNM */
8409         } else if (os_strcmp(buf, "FLUSH") == 0) {
8410                 wpa_supplicant_ctrl_iface_flush(wpa_s);
8411         } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
8412                 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
8413                                                  reply_size);
8414 #ifdef CONFIG_TESTING_OPTIONS
8415         } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
8416                 if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
8417                         reply_len = -1;
8418         } else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
8419                 wpas_ctrl_iface_mgmt_tx_done(wpa_s);
8420         } else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
8421                 if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
8422                         reply_len = -1;
8423         } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
8424                 if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
8425                         reply_len = -1;
8426         } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
8427                 if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
8428                         reply_len = -1;
8429         } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
8430                 if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
8431                         reply_len = -1;
8432         } else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
8433                 if (wpas_ctrl_iface_data_test_frame(wpa_s, buf + 16) < 0)
8434                         reply_len = -1;
8435         } else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) {
8436                 if (wpas_ctrl_test_alloc_fail(wpa_s, buf + 16) < 0)
8437                         reply_len = -1;
8438         } else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) {
8439                 reply_len = wpas_ctrl_get_alloc_fail(wpa_s, reply, reply_size);
8440 #endif /* CONFIG_TESTING_OPTIONS */
8441         } else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
8442                 if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
8443                         reply_len = -1;
8444         } else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
8445                 reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
8446                                                       reply_size);
8447         } else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
8448                 if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
8449                         reply_len = -1;
8450         } else if (os_strncmp(buf, "NEIGHBOR_REP_REQUEST", 20) == 0) {
8451                 if (wpas_ctrl_iface_send_neigbor_rep(wpa_s, buf + 20))
8452                         reply_len = -1;
8453         } else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
8454                 wpas_ctrl_iface_erp_flush(wpa_s);
8455         } else if (os_strncmp(buf, "MAC_RAND_SCAN ", 14) == 0) {
8456                 if (wpas_ctrl_iface_mac_rand_scan(wpa_s, buf + 14))
8457                         reply_len = -1;
8458         } else {
8459                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
8460                 reply_len = 16;
8461         }
8462
8463         if (reply_len < 0) {
8464                 os_memcpy(reply, "FAIL\n", 5);
8465                 reply_len = 5;
8466         }
8467
8468         *resp_len = reply_len;
8469         return reply;
8470 }
8471
8472
8473 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
8474                                            char *cmd)
8475 {
8476         struct wpa_interface iface;
8477         char *pos;
8478
8479         /*
8480          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
8481          * TAB<bridge_ifname>
8482          */
8483         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
8484
8485         os_memset(&iface, 0, sizeof(iface));
8486
8487         do {
8488                 iface.ifname = pos = cmd;
8489                 pos = os_strchr(pos, '\t');
8490                 if (pos)
8491                         *pos++ = '\0';
8492                 if (iface.ifname[0] == '\0')
8493                         return -1;
8494                 if (pos == NULL)
8495                         break;
8496
8497                 iface.confname = pos;
8498                 pos = os_strchr(pos, '\t');
8499                 if (pos)
8500                         *pos++ = '\0';
8501                 if (iface.confname[0] == '\0')
8502                         iface.confname = NULL;
8503                 if (pos == NULL)
8504                         break;
8505
8506                 iface.driver = pos;
8507                 pos = os_strchr(pos, '\t');
8508                 if (pos)
8509                         *pos++ = '\0';
8510                 if (iface.driver[0] == '\0')
8511                         iface.driver = NULL;
8512                 if (pos == NULL)
8513                         break;
8514
8515                 iface.ctrl_interface = pos;
8516                 pos = os_strchr(pos, '\t');
8517                 if (pos)
8518                         *pos++ = '\0';
8519                 if (iface.ctrl_interface[0] == '\0')
8520                         iface.ctrl_interface = NULL;
8521                 if (pos == NULL)
8522                         break;
8523
8524                 iface.driver_param = pos;
8525                 pos = os_strchr(pos, '\t');
8526                 if (pos)
8527                         *pos++ = '\0';
8528                 if (iface.driver_param[0] == '\0')
8529                         iface.driver_param = NULL;
8530                 if (pos == NULL)
8531                         break;
8532
8533                 iface.bridge_ifname = pos;
8534                 pos = os_strchr(pos, '\t');
8535                 if (pos)
8536                         *pos++ = '\0';
8537                 if (iface.bridge_ifname[0] == '\0')
8538                         iface.bridge_ifname = NULL;
8539                 if (pos == NULL)
8540                         break;
8541         } while (0);
8542
8543         if (wpa_supplicant_get_iface(global, iface.ifname))
8544                 return -1;
8545
8546         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
8547 }
8548
8549
8550 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
8551                                               char *cmd)
8552 {
8553         struct wpa_supplicant *wpa_s;
8554
8555         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
8556
8557         wpa_s = wpa_supplicant_get_iface(global, cmd);
8558         if (wpa_s == NULL)
8559                 return -1;
8560         return wpa_supplicant_remove_iface(global, wpa_s, 0);
8561 }
8562
8563
8564 static void wpa_free_iface_info(struct wpa_interface_info *iface)
8565 {
8566         struct wpa_interface_info *prev;
8567
8568         while (iface) {
8569                 prev = iface;
8570                 iface = iface->next;
8571
8572                 os_free(prev->ifname);
8573                 os_free(prev->desc);
8574                 os_free(prev);
8575         }
8576 }
8577
8578
8579 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
8580                                             char *buf, int len)
8581 {
8582         int i, res;
8583         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
8584         char *pos, *end;
8585
8586         for (i = 0; wpa_drivers[i]; i++) {
8587                 struct wpa_driver_ops *drv = wpa_drivers[i];
8588                 if (drv->get_interfaces == NULL)
8589                         continue;
8590                 tmp = drv->get_interfaces(global->drv_priv[i]);
8591                 if (tmp == NULL)
8592                         continue;
8593
8594                 if (last == NULL)
8595                         iface = last = tmp;
8596                 else
8597                         last->next = tmp;
8598                 while (last->next)
8599                         last = last->next;
8600         }
8601
8602         pos = buf;
8603         end = buf + len;
8604         for (tmp = iface; tmp; tmp = tmp->next) {
8605                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
8606                                   tmp->drv_name, tmp->ifname,
8607                                   tmp->desc ? tmp->desc : "");
8608                 if (os_snprintf_error(end - pos, res)) {
8609                         *pos = '\0';
8610                         break;
8611                 }
8612                 pos += res;
8613         }
8614
8615         wpa_free_iface_info(iface);
8616
8617         return pos - buf;
8618 }
8619
8620
8621 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
8622                                                   char *buf, int len)
8623 {
8624         int res;
8625         char *pos, *end;
8626         struct wpa_supplicant *wpa_s;
8627
8628         wpa_s = global->ifaces;
8629         pos = buf;
8630         end = buf + len;
8631
8632         while (wpa_s) {
8633                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
8634                 if (os_snprintf_error(end - pos, res)) {
8635                         *pos = '\0';
8636                         break;
8637                 }
8638                 pos += res;
8639                 wpa_s = wpa_s->next;
8640         }
8641         return pos - buf;
8642 }
8643
8644
8645 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
8646                                             const char *ifname,
8647                                             char *cmd, size_t *resp_len)
8648 {
8649         struct wpa_supplicant *wpa_s;
8650
8651         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
8652                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
8653                         break;
8654         }
8655
8656         if (wpa_s == NULL) {
8657                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
8658                 if (resp)
8659                         *resp_len = os_strlen(resp);
8660                 else
8661                         *resp_len = 1;
8662                 return resp;
8663         }
8664
8665         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
8666 }
8667
8668
8669 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
8670                                                char *buf, size_t *resp_len)
8671 {
8672 #ifdef CONFIG_P2P
8673         static const char * cmd[] = {
8674                 "LIST_NETWORKS",
8675                 "P2P_FIND",
8676                 "P2P_STOP_FIND",
8677                 "P2P_LISTEN",
8678                 "P2P_GROUP_ADD",
8679                 "P2P_GET_PASSPHRASE",
8680                 "P2P_SERVICE_UPDATE",
8681                 "P2P_SERVICE_FLUSH",
8682                 "P2P_FLUSH",
8683                 "P2P_CANCEL",
8684                 "P2P_PRESENCE_REQ",
8685                 "P2P_EXT_LISTEN",
8686                 NULL
8687         };
8688         static const char * prefix[] = {
8689 #ifdef ANDROID
8690                 "DRIVER ",
8691 #endif /* ANDROID */
8692                 "GET_NETWORK ",
8693                 "REMOVE_NETWORK ",
8694                 "P2P_FIND ",
8695                 "P2P_CONNECT ",
8696                 "P2P_LISTEN ",
8697                 "P2P_GROUP_REMOVE ",
8698                 "P2P_GROUP_ADD ",
8699                 "P2P_PROV_DISC ",
8700                 "P2P_SERV_DISC_REQ ",
8701                 "P2P_SERV_DISC_CANCEL_REQ ",
8702                 "P2P_SERV_DISC_RESP ",
8703                 "P2P_SERV_DISC_EXTERNAL ",
8704                 "P2P_SERVICE_ADD ",
8705                 "P2P_SERVICE_DEL ",
8706                 "P2P_SERVICE_REP ",
8707                 "P2P_REJECT ",
8708                 "P2P_INVITE ",
8709                 "P2P_PEER ",
8710                 "P2P_SET ",
8711                 "P2P_UNAUTHORIZE ",
8712                 "P2P_PRESENCE_REQ ",
8713                 "P2P_EXT_LISTEN ",
8714                 "P2P_REMOVE_CLIENT ",
8715                 "WPS_NFC_TOKEN ",
8716                 "WPS_NFC_TAG_READ ",
8717                 "NFC_GET_HANDOVER_SEL ",
8718                 "NFC_GET_HANDOVER_REQ ",
8719                 "NFC_REPORT_HANDOVER ",
8720                 "P2P_ASP_PROVISION ",
8721                 "P2P_ASP_PROVISION_RESP ",
8722                 NULL
8723         };
8724         int found = 0;
8725         int i;
8726
8727         if (global->p2p_init_wpa_s == NULL)
8728                 return NULL;
8729
8730         for (i = 0; !found && cmd[i]; i++) {
8731                 if (os_strcmp(buf, cmd[i]) == 0)
8732                         found = 1;
8733         }
8734
8735         for (i = 0; !found && prefix[i]; i++) {
8736                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
8737                         found = 1;
8738         }
8739
8740         if (found)
8741                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
8742                                                          buf, resp_len);
8743 #endif /* CONFIG_P2P */
8744         return NULL;
8745 }
8746
8747
8748 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
8749                                                char *buf, size_t *resp_len)
8750 {
8751 #ifdef CONFIG_WIFI_DISPLAY
8752         if (global->p2p_init_wpa_s == NULL)
8753                 return NULL;
8754         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
8755             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
8756                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
8757                                                          buf, resp_len);
8758 #endif /* CONFIG_WIFI_DISPLAY */
8759         return NULL;
8760 }
8761
8762
8763 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
8764                                            char *buf, size_t *resp_len)
8765 {
8766         char *ret;
8767
8768         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
8769         if (ret)
8770                 return ret;
8771
8772         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
8773         if (ret)
8774                 return ret;
8775
8776         return NULL;
8777 }
8778
8779
8780 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
8781 {
8782         char *value;
8783
8784         value = os_strchr(cmd, ' ');
8785         if (value == NULL)
8786                 return -1;
8787         *value++ = '\0';
8788
8789         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
8790
8791 #ifdef CONFIG_WIFI_DISPLAY
8792         if (os_strcasecmp(cmd, "wifi_display") == 0) {
8793                 wifi_display_enable(global, !!atoi(value));
8794                 return 0;
8795         }
8796 #endif /* CONFIG_WIFI_DISPLAY */
8797
8798         /* Restore cmd to its original value to allow redirection */
8799         value[-1] = ' ';
8800
8801         return -1;
8802 }
8803
8804
8805 #ifndef CONFIG_NO_CONFIG_WRITE
8806 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
8807 {
8808         int ret = 0, saved = 0;
8809         struct wpa_supplicant *wpa_s;
8810
8811         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
8812                 if (!wpa_s->conf->update_config) {
8813                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
8814                         continue;
8815                 }
8816
8817                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
8818                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
8819                         ret = 1;
8820                 } else {
8821                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
8822                         saved++;
8823                 }
8824         }
8825
8826         if (!saved && !ret) {
8827                 wpa_dbg(wpa_s, MSG_DEBUG,
8828                         "CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
8829                 ret = 1;
8830         }
8831
8832         return ret;
8833 }
8834 #endif /* CONFIG_NO_CONFIG_WRITE */
8835
8836
8837 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
8838                                          char *buf, size_t buflen)
8839 {
8840         char *pos, *end;
8841         int ret;
8842         struct wpa_supplicant *wpa_s;
8843
8844         pos = buf;
8845         end = buf + buflen;
8846
8847 #ifdef CONFIG_P2P
8848         if (global->p2p && !global->p2p_disabled) {
8849                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
8850                                   "\n"
8851                                   "p2p_state=%s\n",
8852                                   MAC2STR(global->p2p_dev_addr),
8853                                   p2p_get_state_txt(global->p2p));
8854                 if (os_snprintf_error(end - pos, ret))
8855                         return pos - buf;
8856                 pos += ret;
8857         } else if (global->p2p) {
8858                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
8859                 if (os_snprintf_error(end - pos, ret))
8860                         return pos - buf;
8861                 pos += ret;
8862         }
8863 #endif /* CONFIG_P2P */
8864
8865 #ifdef CONFIG_WIFI_DISPLAY
8866         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
8867                           !!global->wifi_display);
8868         if (os_snprintf_error(end - pos, ret))
8869                 return pos - buf;
8870         pos += ret;
8871 #endif /* CONFIG_WIFI_DISPLAY */
8872
8873         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
8874                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
8875                                   "address=" MACSTR "\n",
8876                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
8877                 if (os_snprintf_error(end - pos, ret))
8878                         return pos - buf;
8879                 pos += ret;
8880         }
8881
8882         return pos - buf;
8883 }
8884
8885
8886 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
8887                                                 char *buf, size_t *resp_len)
8888 {
8889         char *reply;
8890         const int reply_size = 2048;
8891         int reply_len;
8892         int level = MSG_DEBUG;
8893
8894         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
8895                 char *pos = os_strchr(buf + 7, ' ');
8896                 if (pos) {
8897                         *pos++ = '\0';
8898                         return wpas_global_ctrl_iface_ifname(global,
8899                                                              buf + 7, pos,
8900                                                              resp_len);
8901                 }
8902         }
8903
8904         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
8905         if (reply)
8906                 return reply;
8907
8908         if (os_strcmp(buf, "PING") == 0)
8909                 level = MSG_EXCESSIVE;
8910         wpa_hexdump_ascii(level, "RX global ctrl_iface",
8911                           (const u8 *) buf, os_strlen(buf));
8912
8913         reply = os_malloc(reply_size);
8914         if (reply == NULL) {
8915                 *resp_len = 1;
8916                 return NULL;
8917         }
8918
8919         os_memcpy(reply, "OK\n", 3);
8920         reply_len = 3;
8921
8922         if (os_strcmp(buf, "PING") == 0) {
8923                 os_memcpy(reply, "PONG\n", 5);
8924                 reply_len = 5;
8925         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
8926                 if (wpa_supplicant_global_iface_add(global, buf + 14))
8927                         reply_len = -1;
8928         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
8929                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
8930                         reply_len = -1;
8931         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
8932                 reply_len = wpa_supplicant_global_iface_list(
8933                         global, reply, reply_size);
8934         } else if (os_strcmp(buf, "INTERFACES") == 0) {
8935                 reply_len = wpa_supplicant_global_iface_interfaces(
8936                         global, reply, reply_size);
8937         } else if (os_strcmp(buf, "TERMINATE") == 0) {
8938                 wpa_supplicant_terminate_proc(global);
8939         } else if (os_strcmp(buf, "SUSPEND") == 0) {
8940                 wpas_notify_suspend(global);
8941         } else if (os_strcmp(buf, "RESUME") == 0) {
8942                 wpas_notify_resume(global);
8943         } else if (os_strncmp(buf, "SET ", 4) == 0) {
8944                 if (wpas_global_ctrl_iface_set(global, buf + 4)) {
8945 #ifdef CONFIG_P2P
8946                         if (global->p2p_init_wpa_s) {
8947                                 os_free(reply);
8948                                 /* Check if P2P redirection would work for this
8949                                  * command. */
8950                                 return wpa_supplicant_ctrl_iface_process(
8951                                         global->p2p_init_wpa_s,
8952                                         buf, resp_len);
8953                         }
8954 #endif /* CONFIG_P2P */
8955                         reply_len = -1;
8956                 }
8957 #ifndef CONFIG_NO_CONFIG_WRITE
8958         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
8959                 if (wpas_global_ctrl_iface_save_config(global))
8960                         reply_len = -1;
8961 #endif /* CONFIG_NO_CONFIG_WRITE */
8962         } else if (os_strcmp(buf, "STATUS") == 0) {
8963                 reply_len = wpas_global_ctrl_iface_status(global, reply,
8964                                                           reply_size);
8965 #ifdef CONFIG_MODULE_TESTS
8966         } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
8967                 int wpas_module_tests(void);
8968                 if (wpas_module_tests() < 0)
8969                         reply_len = -1;
8970 #endif /* CONFIG_MODULE_TESTS */
8971         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
8972                 if (wpa_debug_reopen_file() < 0)
8973                         reply_len = -1;
8974         } else {
8975                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
8976                 reply_len = 16;
8977         }
8978
8979         if (reply_len < 0) {
8980                 os_memcpy(reply, "FAIL\n", 5);
8981                 reply_len = 5;
8982         }
8983
8984         *resp_len = reply_len;
8985         return reply;
8986 }