HS 2.0: Add support to update the HS20 Capability List into the BSS
[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_venue_name",
4180                                    anqp->venue_name);
4181                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
4182                                    anqp->network_auth_type);
4183                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
4184                                    anqp->roaming_consortium);
4185                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
4186                                    anqp->ip_addr_type_availability);
4187                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
4188                                    anqp->nai_realm);
4189                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
4190                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
4191                                    anqp->domain_name);
4192 #ifdef CONFIG_HS20
4193                 pos = anqp_add_hex(pos, end, "hs20_capability_list",
4194                                    anqp->hs20_capability_list);
4195                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
4196                                    anqp->hs20_operator_friendly_name);
4197                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
4198                                    anqp->hs20_wan_metrics);
4199                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
4200                                    anqp->hs20_connection_capability);
4201                 pos = anqp_add_hex(pos, end, "hs20_operating_class",
4202                                    anqp->hs20_operating_class);
4203                 pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
4204                                    anqp->hs20_osu_providers_list);
4205 #endif /* CONFIG_HS20 */
4206         }
4207 #endif /* CONFIG_INTERWORKING */
4208
4209 #ifdef CONFIG_MESH
4210         if (mask & WPA_BSS_MASK_MESH_SCAN) {
4211                 ie = (const u8 *) (bss + 1);
4212                 ret = wpas_mesh_scan_result_text(ie, bss->ie_len, pos, end);
4213                 if (ret < 0 || ret >= end - pos)
4214                         return 0;
4215                 pos += ret;
4216         }
4217 #endif /* CONFIG_MESH */
4218
4219         if (mask & WPA_BSS_MASK_DELIM) {
4220                 ret = os_snprintf(pos, end - pos, "====\n");
4221                 if (os_snprintf_error(end - pos, ret))
4222                         return 0;
4223                 pos += ret;
4224         }
4225
4226         return pos - buf;
4227 }
4228
4229
4230 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
4231                                          const char *cmd, char *buf,
4232                                          size_t buflen)
4233 {
4234         u8 bssid[ETH_ALEN];
4235         size_t i;
4236         struct wpa_bss *bss;
4237         struct wpa_bss *bsslast = NULL;
4238         struct dl_list *next;
4239         int ret = 0;
4240         int len;
4241         char *ctmp, *end = buf + buflen;
4242         unsigned long mask = WPA_BSS_MASK_ALL;
4243
4244         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
4245                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
4246                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
4247                                             list_id);
4248                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
4249                                                list_id);
4250                 } else { /* N1-N2 */
4251                         unsigned int id1, id2;
4252
4253                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
4254                                 wpa_printf(MSG_INFO, "Wrong BSS range "
4255                                            "format");
4256                                 return 0;
4257                         }
4258
4259                         if (*(cmd + 6) == '-')
4260                                 id1 = 0;
4261                         else
4262                                 id1 = atoi(cmd + 6);
4263                         ctmp++;
4264                         if (*ctmp >= '0' && *ctmp <= '9')
4265                                 id2 = atoi(ctmp);
4266                         else
4267                                 id2 = (unsigned int) -1;
4268                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
4269                         if (id2 == (unsigned int) -1)
4270                                 bsslast = dl_list_last(&wpa_s->bss_id,
4271                                                        struct wpa_bss,
4272                                                        list_id);
4273                         else {
4274                                 bsslast = wpa_bss_get_id(wpa_s, id2);
4275                                 if (bsslast == NULL && bss && id2 > id1) {
4276                                         struct wpa_bss *tmp = bss;
4277                                         for (;;) {
4278                                                 next = tmp->list_id.next;
4279                                                 if (next == &wpa_s->bss_id)
4280                                                         break;
4281                                                 tmp = dl_list_entry(
4282                                                         next, struct wpa_bss,
4283                                                         list_id);
4284                                                 if (tmp->id > id2)
4285                                                         break;
4286                                                 bsslast = tmp;
4287                                         }
4288                                 }
4289                         }
4290                 }
4291         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
4292                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
4293         else if (os_strncmp(cmd, "LAST", 4) == 0)
4294                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
4295         else if (os_strncmp(cmd, "ID-", 3) == 0) {
4296                 i = atoi(cmd + 3);
4297                 bss = wpa_bss_get_id(wpa_s, i);
4298         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4299                 i = atoi(cmd + 5);
4300                 bss = wpa_bss_get_id(wpa_s, i);
4301                 if (bss) {
4302                         next = bss->list_id.next;
4303                         if (next == &wpa_s->bss_id)
4304                                 bss = NULL;
4305                         else
4306                                 bss = dl_list_entry(next, struct wpa_bss,
4307                                                     list_id);
4308                 }
4309 #ifdef CONFIG_P2P
4310         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
4311                 if (hwaddr_aton(cmd + 13, bssid) == 0)
4312                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
4313                 else
4314                         bss = NULL;
4315 #endif /* CONFIG_P2P */
4316         } else if (hwaddr_aton(cmd, bssid) == 0)
4317                 bss = wpa_bss_get_bssid(wpa_s, bssid);
4318         else {
4319                 struct wpa_bss *tmp;
4320                 i = atoi(cmd);
4321                 bss = NULL;
4322                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
4323                 {
4324                         if (i-- == 0) {
4325                                 bss = tmp;
4326                                 break;
4327                         }
4328                 }
4329         }
4330
4331         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
4332                 mask = strtoul(ctmp + 5, NULL, 0x10);
4333                 if (mask == 0)
4334                         mask = WPA_BSS_MASK_ALL;
4335         }
4336
4337         if (bss == NULL)
4338                 return 0;
4339
4340         if (bsslast == NULL)
4341                 bsslast = bss;
4342         do {
4343                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
4344                 ret += len;
4345                 buf += len;
4346                 buflen -= len;
4347                 if (bss == bsslast) {
4348                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
4349                             (bss == dl_list_last(&wpa_s->bss_id,
4350                                                  struct wpa_bss, list_id))) {
4351                                 int res;
4352
4353                                 res = os_snprintf(buf - 5, end - buf + 5,
4354                                                   "####\n");
4355                                 if (os_snprintf_error(end - buf + 5, res)) {
4356                                         wpa_printf(MSG_DEBUG,
4357                                                    "Could not add end delim");
4358                                 }
4359                         }
4360                         break;
4361                 }
4362                 next = bss->list_id.next;
4363                 if (next == &wpa_s->bss_id)
4364                         break;
4365                 bss = dl_list_entry(next, struct wpa_bss, list_id);
4366         } while (bss && len);
4367
4368         return ret;
4369 }
4370
4371
4372 static int wpa_supplicant_ctrl_iface_ap_scan(
4373         struct wpa_supplicant *wpa_s, char *cmd)
4374 {
4375         int ap_scan = atoi(cmd);
4376         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
4377 }
4378
4379
4380 static int wpa_supplicant_ctrl_iface_scan_interval(
4381         struct wpa_supplicant *wpa_s, char *cmd)
4382 {
4383         int scan_int = atoi(cmd);
4384         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
4385 }
4386
4387
4388 static int wpa_supplicant_ctrl_iface_bss_expire_age(
4389         struct wpa_supplicant *wpa_s, char *cmd)
4390 {
4391         int expire_age = atoi(cmd);
4392         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
4393 }
4394
4395
4396 static int wpa_supplicant_ctrl_iface_bss_expire_count(
4397         struct wpa_supplicant *wpa_s, char *cmd)
4398 {
4399         int expire_count = atoi(cmd);
4400         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
4401 }
4402
4403
4404 static void wpa_supplicant_ctrl_iface_bss_flush(
4405         struct wpa_supplicant *wpa_s, char *cmd)
4406 {
4407         int flush_age = atoi(cmd);
4408
4409         if (flush_age == 0)
4410                 wpa_bss_flush(wpa_s);
4411         else
4412                 wpa_bss_flush_by_age(wpa_s, flush_age);
4413 }
4414
4415
4416 #ifdef CONFIG_TESTING_OPTIONS
4417 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
4418 {
4419         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
4420         /* MLME-DELETEKEYS.request */
4421         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
4422         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
4423         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
4424         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
4425 #ifdef CONFIG_IEEE80211W
4426         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
4427         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
4428 #endif /* CONFIG_IEEE80211W */
4429
4430         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
4431                         0);
4432         /* MLME-SETPROTECTION.request(None) */
4433         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
4434                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
4435                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
4436         wpa_sm_drop_sa(wpa_s->wpa);
4437 }
4438 #endif /* CONFIG_TESTING_OPTIONS */
4439
4440
4441 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
4442                                           char *addr)
4443 {
4444 #ifdef CONFIG_NO_SCAN_PROCESSING
4445         return -1;
4446 #else /* CONFIG_NO_SCAN_PROCESSING */
4447         u8 bssid[ETH_ALEN];
4448         struct wpa_bss *bss;
4449         struct wpa_ssid *ssid = wpa_s->current_ssid;
4450
4451         if (hwaddr_aton(addr, bssid)) {
4452                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
4453                            "address '%s'", addr);
4454                 return -1;
4455         }
4456
4457         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
4458
4459         if (!ssid) {
4460                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
4461                            "configuration known for the target AP");
4462                 return -1;
4463         }
4464
4465         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
4466         if (!bss) {
4467                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
4468                            "from BSS table");
4469                 return -1;
4470         }
4471
4472         /*
4473          * TODO: Find best network configuration block from configuration to
4474          * allow roaming to other networks
4475          */
4476
4477         wpa_s->reassociate = 1;
4478         wpa_supplicant_connect(wpa_s, bss, ssid);
4479
4480         return 0;
4481 #endif /* CONFIG_NO_SCAN_PROCESSING */
4482 }
4483
4484
4485 #ifdef CONFIG_P2P
4486 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
4487 {
4488         unsigned int timeout = atoi(cmd);
4489         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
4490         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
4491         u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
4492         char *pos;
4493         unsigned int search_delay;
4494         const char *seek[P2P_MAX_QUERY_HASH + 1];
4495         u8 seek_count = 0;
4496
4497         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4498                 wpa_dbg(wpa_s, MSG_INFO,
4499                         "Reject P2P_FIND since interface is disabled");
4500                 return -1;
4501         }
4502         if (os_strstr(cmd, "type=social"))
4503                 type = P2P_FIND_ONLY_SOCIAL;
4504         else if (os_strstr(cmd, "type=progressive"))
4505                 type = P2P_FIND_PROGRESSIVE;
4506
4507         pos = os_strstr(cmd, "dev_id=");
4508         if (pos) {
4509                 pos += 7;
4510                 if (hwaddr_aton(pos, dev_id))
4511                         return -1;
4512                 _dev_id = dev_id;
4513         }
4514
4515         pos = os_strstr(cmd, "dev_type=");
4516         if (pos) {
4517                 pos += 9;
4518                 if (wps_dev_type_str2bin(pos, dev_type) < 0)
4519                         return -1;
4520                 _dev_type = dev_type;
4521         }
4522
4523         pos = os_strstr(cmd, "delay=");
4524         if (pos) {
4525                 pos += 6;
4526                 search_delay = atoi(pos);
4527         } else
4528                 search_delay = wpas_p2p_search_delay(wpa_s);
4529
4530         /* Must be searched for last, because it adds nul termination */
4531         pos = os_strstr(cmd, " seek=");
4532         while (pos && seek_count < P2P_MAX_QUERY_HASH + 1) {
4533                 char *term;
4534
4535                 term = os_strchr(pos + 1, ' ');
4536                 seek[seek_count++] = pos + 6;
4537                 pos = os_strstr(pos + 6, " seek=");
4538
4539                 if (term)
4540                         *term = '\0';
4541         }
4542
4543         if (!seek_count)
4544                 return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL,
4545                                      _dev_type, _dev_id,
4546                                      search_delay, 0, NULL);
4547
4548         if (seek_count > P2P_MAX_QUERY_HASH) {
4549                 seek[0] = NULL;
4550                 return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL,
4551                                      _dev_type, _dev_id,
4552                                      search_delay, 1, seek);
4553         }
4554
4555         return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
4556                              _dev_id, search_delay, seek_count, seek);
4557 }
4558
4559
4560 static struct p2ps_provision * p2p_parse_asp_provision_cmd(const char *cmd)
4561 {
4562         struct p2ps_provision *p2ps_prov;
4563         char *pos;
4564         size_t info_len = 0;
4565         char *info = NULL;
4566         u8 role = P2PS_SETUP_NONE;
4567         long long unsigned val;
4568
4569         pos = os_strstr(cmd, "info=");
4570         if (pos) {
4571                 pos += 5;
4572                 info_len = os_strlen(pos);
4573
4574                 if (info_len) {
4575                         info = os_malloc(info_len + 1);
4576                         if (info) {
4577                                 info_len = utf8_unescape(pos, info_len,
4578                                                          info, info_len + 1);
4579                         } else
4580                                 info_len = 0;
4581                 }
4582         }
4583
4584         p2ps_prov = os_zalloc(sizeof(struct p2ps_provision) + info_len + 1);
4585         if (p2ps_prov == NULL) {
4586                 os_free(info);
4587                 return NULL;
4588         }
4589
4590         if (info) {
4591                 os_memcpy(p2ps_prov->info, info, info_len);
4592                 p2ps_prov->info[info_len] = '\0';
4593                 os_free(info);
4594         }
4595
4596         pos = os_strstr(cmd, "status=");
4597         if (pos)
4598                 p2ps_prov->status = atoi(pos + 7);
4599         else
4600                 p2ps_prov->status = -1;
4601
4602         pos = os_strstr(cmd, "adv_id=");
4603         if (!pos || sscanf(pos + 7, "%llx", &val) != 1 || val > 0xffffffffULL)
4604                 goto invalid_args;
4605         p2ps_prov->adv_id = val;
4606
4607         pos = os_strstr(cmd, "method=");
4608         if (pos)
4609                 p2ps_prov->method = strtol(pos + 7, NULL, 16);
4610         else
4611                 p2ps_prov->method = 0;
4612
4613         pos = os_strstr(cmd, "session=");
4614         if (!pos || sscanf(pos + 8, "%llx", &val) != 1 || val > 0xffffffffULL)
4615                 goto invalid_args;
4616         p2ps_prov->session_id = val;
4617
4618         pos = os_strstr(cmd, "adv_mac=");
4619         if (!pos || hwaddr_aton(pos + 8, p2ps_prov->adv_mac))
4620                 goto invalid_args;
4621
4622         pos = os_strstr(cmd, "session_mac=");
4623         if (!pos || hwaddr_aton(pos + 12, p2ps_prov->session_mac))
4624                 goto invalid_args;
4625
4626         /* force conncap with tstCap (no sanity checks) */
4627         pos = os_strstr(cmd, "tstCap=");
4628         if (pos) {
4629                 role = strtol(pos + 7, NULL, 16);
4630         } else {
4631                 pos = os_strstr(cmd, "role=");
4632                 if (pos) {
4633                         role = strtol(pos + 5, NULL, 16);
4634                         if (role != P2PS_SETUP_CLIENT &&
4635                             role != P2PS_SETUP_GROUP_OWNER)
4636                                 role = P2PS_SETUP_NONE;
4637                 }
4638         }
4639         p2ps_prov->role = role;
4640
4641         return p2ps_prov;
4642
4643 invalid_args:
4644         os_free(p2ps_prov);
4645         return NULL;
4646 }
4647
4648
4649 static int p2p_ctrl_asp_provision_resp(struct wpa_supplicant *wpa_s, char *cmd)
4650 {
4651         u8 addr[ETH_ALEN];
4652         struct p2ps_provision *p2ps_prov;
4653         char *pos;
4654
4655         /* <addr> id=<adv_id> [role=<conncap>] [info=<infodata>] */
4656
4657         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4658
4659         if (hwaddr_aton(cmd, addr))
4660                 return -1;
4661
4662         pos = cmd + 17;
4663         if (*pos != ' ')
4664                 return -1;
4665
4666         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4667         if (!p2ps_prov)
4668                 return -1;
4669
4670         if (p2ps_prov->status < 0) {
4671                 os_free(p2ps_prov);
4672                 return -1;
4673         }
4674
4675         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4676                                   p2ps_prov);
4677 }
4678
4679
4680 static int p2p_ctrl_asp_provision(struct wpa_supplicant *wpa_s, char *cmd)
4681 {
4682         u8 addr[ETH_ALEN];
4683         struct p2ps_provision *p2ps_prov;
4684         char *pos;
4685
4686         /* <addr> id=<adv_id> adv_mac=<adv_mac> conncap=<conncap>
4687          *        session=<ses_id> mac=<ses_mac> [info=<infodata>]
4688          */
4689
4690         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4691         if (hwaddr_aton(cmd, addr))
4692                 return -1;
4693
4694         pos = cmd + 17;
4695         if (*pos != ' ')
4696                 return -1;
4697
4698         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4699         if (!p2ps_prov)
4700                 return -1;
4701
4702         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4703                                   p2ps_prov);
4704 }
4705
4706
4707 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
4708                             char *buf, size_t buflen)
4709 {
4710         u8 addr[ETH_ALEN];
4711         char *pos, *pos2;
4712         char *pin = NULL;
4713         enum p2p_wps_method wps_method;
4714         int new_pin;
4715         int ret;
4716         int persistent_group, persistent_id = -1;
4717         int join;
4718         int auth;
4719         int automatic;
4720         int go_intent = -1;
4721         int freq = 0;
4722         int pd;
4723         int ht40, vht;
4724
4725         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad|p2ps]
4726          * [persistent|persistent=<network id>]
4727          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
4728          * [ht40] [vht] [auto] */
4729
4730         if (hwaddr_aton(cmd, addr))
4731                 return -1;
4732
4733         pos = cmd + 17;
4734         if (*pos != ' ')
4735                 return -1;
4736         pos++;
4737
4738         persistent_group = os_strstr(pos, " persistent") != NULL;
4739         pos2 = os_strstr(pos, " persistent=");
4740         if (pos2) {
4741                 struct wpa_ssid *ssid;
4742                 persistent_id = atoi(pos2 + 12);
4743                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
4744                 if (ssid == NULL || ssid->disabled != 2 ||
4745                     ssid->mode != WPAS_MODE_P2P_GO) {
4746                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
4747                                    "SSID id=%d for persistent P2P group (GO)",
4748                                    persistent_id);
4749                         return -1;
4750                 }
4751         }
4752         join = os_strstr(pos, " join") != NULL;
4753         auth = os_strstr(pos, " auth") != NULL;
4754         automatic = os_strstr(pos, " auto") != NULL;
4755         pd = os_strstr(pos, " provdisc") != NULL;
4756         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4757         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4758                 vht;
4759
4760         pos2 = os_strstr(pos, " go_intent=");
4761         if (pos2) {
4762                 pos2 += 11;
4763                 go_intent = atoi(pos2);
4764                 if (go_intent < 0 || go_intent > 15)
4765                         return -1;
4766         }
4767
4768         pos2 = os_strstr(pos, " freq=");
4769         if (pos2) {
4770                 pos2 += 6;
4771                 freq = atoi(pos2);
4772                 if (freq <= 0)
4773                         return -1;
4774         }
4775
4776         if (os_strncmp(pos, "pin", 3) == 0) {
4777                 /* Request random PIN (to be displayed) and enable the PIN */
4778                 wps_method = WPS_PIN_DISPLAY;
4779         } else if (os_strncmp(pos, "pbc", 3) == 0) {
4780                 wps_method = WPS_PBC;
4781         } else {
4782                 pin = pos;
4783                 pos = os_strchr(pin, ' ');
4784                 wps_method = WPS_PIN_KEYPAD;
4785                 if (pos) {
4786                         *pos++ = '\0';
4787                         if (os_strncmp(pos, "display", 7) == 0)
4788                                 wps_method = WPS_PIN_DISPLAY;
4789                         else if (os_strncmp(pos, "p2ps", 4) == 0)
4790                                 wps_method = WPS_P2PS;
4791                 }
4792                 if (!wps_pin_str_valid(pin)) {
4793                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
4794                         return 17;
4795                 }
4796         }
4797
4798         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
4799                                    persistent_group, automatic, join,
4800                                    auth, go_intent, freq, persistent_id, pd,
4801                                    ht40, vht);
4802         if (new_pin == -2) {
4803                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
4804                 return 25;
4805         }
4806         if (new_pin == -3) {
4807                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
4808                 return 25;
4809         }
4810         if (new_pin < 0)
4811                 return -1;
4812         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
4813                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
4814                 if (os_snprintf_error(buflen, ret))
4815                         return -1;
4816                 return ret;
4817         }
4818
4819         os_memcpy(buf, "OK\n", 3);
4820         return 3;
4821 }
4822
4823
4824 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
4825 {
4826         unsigned int timeout = atoi(cmd);
4827         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4828                 wpa_dbg(wpa_s, MSG_INFO,
4829                         "Reject P2P_LISTEN since interface is disabled");
4830                 return -1;
4831         }
4832         return wpas_p2p_listen(wpa_s, timeout);
4833 }
4834
4835
4836 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
4837 {
4838         u8 addr[ETH_ALEN];
4839         char *pos;
4840         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
4841
4842         /* <addr> <config method> [join|auto] */
4843
4844         if (hwaddr_aton(cmd, addr))
4845                 return -1;
4846
4847         pos = cmd + 17;
4848         if (*pos != ' ')
4849                 return -1;
4850         pos++;
4851
4852         if (os_strstr(pos, " join") != NULL)
4853                 use = WPAS_P2P_PD_FOR_JOIN;
4854         else if (os_strstr(pos, " auto") != NULL)
4855                 use = WPAS_P2P_PD_AUTO;
4856
4857         return wpas_p2p_prov_disc(wpa_s, addr, pos, use, NULL);
4858 }
4859
4860
4861 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
4862                               size_t buflen)
4863 {
4864         struct wpa_ssid *ssid = wpa_s->current_ssid;
4865
4866         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
4867             ssid->passphrase == NULL)
4868                 return -1;
4869
4870         os_strlcpy(buf, ssid->passphrase, buflen);
4871         return os_strlen(buf);
4872 }
4873
4874
4875 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
4876                                   char *buf, size_t buflen)
4877 {
4878         u64 ref;
4879         int res;
4880         u8 dst_buf[ETH_ALEN], *dst;
4881         struct wpabuf *tlvs;
4882         char *pos;
4883         size_t len;
4884
4885         if (hwaddr_aton(cmd, dst_buf))
4886                 return -1;
4887         dst = dst_buf;
4888         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
4889             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
4890                 dst = NULL;
4891         pos = cmd + 17;
4892         if (*pos != ' ')
4893                 return -1;
4894         pos++;
4895
4896         if (os_strncmp(pos, "upnp ", 5) == 0) {
4897                 u8 version;
4898                 pos += 5;
4899                 if (hexstr2bin(pos, &version, 1) < 0)
4900                         return -1;
4901                 pos += 2;
4902                 if (*pos != ' ')
4903                         return -1;
4904                 pos++;
4905                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
4906 #ifdef CONFIG_WIFI_DISPLAY
4907         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
4908                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
4909 #endif /* CONFIG_WIFI_DISPLAY */
4910         } else if (os_strncmp(pos, "asp ", 4) == 0) {
4911                 char *svc_str;
4912                 char *svc_info = NULL;
4913                 u32 id;
4914
4915                 pos += 4;
4916                 if (sscanf(pos, "%x", &id) != 1 || id > 0xff)
4917                         return -1;
4918
4919                 pos = os_strchr(pos, ' ');
4920                 if (pos == NULL || pos[1] == '\0' || pos[1] == ' ')
4921                         return -1;
4922
4923                 svc_str = pos + 1;
4924
4925                 pos = os_strchr(svc_str, ' ');
4926
4927                 if (pos)
4928                         *pos++ = '\0';
4929
4930                 /* All remaining data is the svc_info string */
4931                 if (pos && pos[0] && pos[0] != ' ') {
4932                         len = os_strlen(pos);
4933
4934                         /* Unescape in place */
4935                         len = utf8_unescape(pos, len, pos, len);
4936                         if (len > 0xff)
4937                                 return -1;
4938
4939                         svc_info = pos;
4940                 }
4941
4942                 ref = wpas_p2p_sd_request_asp(wpa_s, dst, (u8) id,
4943                                               svc_str, svc_info);
4944         } else {
4945                 len = os_strlen(pos);
4946                 if (len & 1)
4947                         return -1;
4948                 len /= 2;
4949                 tlvs = wpabuf_alloc(len);
4950                 if (tlvs == NULL)
4951                         return -1;
4952                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
4953                         wpabuf_free(tlvs);
4954                         return -1;
4955                 }
4956
4957                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
4958                 wpabuf_free(tlvs);
4959         }
4960         if (ref == 0)
4961                 return -1;
4962         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
4963         if (os_snprintf_error(buflen, res))
4964                 return -1;
4965         return res;
4966 }
4967
4968
4969 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
4970                                          char *cmd)
4971 {
4972         long long unsigned val;
4973         u64 req;
4974         if (sscanf(cmd, "%llx", &val) != 1)
4975                 return -1;
4976         req = val;
4977         return wpas_p2p_sd_cancel_request(wpa_s, req);
4978 }
4979
4980
4981 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
4982 {
4983         int freq;
4984         u8 dst[ETH_ALEN];
4985         u8 dialog_token;
4986         struct wpabuf *resp_tlvs;
4987         char *pos, *pos2;
4988         size_t len;
4989
4990         pos = os_strchr(cmd, ' ');
4991         if (pos == NULL)
4992                 return -1;
4993         *pos++ = '\0';
4994         freq = atoi(cmd);
4995         if (freq == 0)
4996                 return -1;
4997
4998         if (hwaddr_aton(pos, dst))
4999                 return -1;
5000         pos += 17;
5001         if (*pos != ' ')
5002                 return -1;
5003         pos++;
5004
5005         pos2 = os_strchr(pos, ' ');
5006         if (pos2 == NULL)
5007                 return -1;
5008         *pos2++ = '\0';
5009         dialog_token = atoi(pos);
5010
5011         len = os_strlen(pos2);
5012         if (len & 1)
5013                 return -1;
5014         len /= 2;
5015         resp_tlvs = wpabuf_alloc(len);
5016         if (resp_tlvs == NULL)
5017                 return -1;
5018         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
5019                 wpabuf_free(resp_tlvs);
5020                 return -1;
5021         }
5022
5023         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
5024         wpabuf_free(resp_tlvs);
5025         return 0;
5026 }
5027
5028
5029 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
5030                                        char *cmd)
5031 {
5032         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
5033                 return -1;
5034         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
5035         return 0;
5036 }
5037
5038
5039 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
5040                                         char *cmd)
5041 {
5042         char *pos;
5043         size_t len;
5044         struct wpabuf *query, *resp;
5045
5046         pos = os_strchr(cmd, ' ');
5047         if (pos == NULL)
5048                 return -1;
5049         *pos++ = '\0';
5050
5051         len = os_strlen(cmd);
5052         if (len & 1)
5053                 return -1;
5054         len /= 2;
5055         query = wpabuf_alloc(len);
5056         if (query == NULL)
5057                 return -1;
5058         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5059                 wpabuf_free(query);
5060                 return -1;
5061         }
5062
5063         len = os_strlen(pos);
5064         if (len & 1) {
5065                 wpabuf_free(query);
5066                 return -1;
5067         }
5068         len /= 2;
5069         resp = wpabuf_alloc(len);
5070         if (resp == NULL) {
5071                 wpabuf_free(query);
5072                 return -1;
5073         }
5074         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
5075                 wpabuf_free(query);
5076                 wpabuf_free(resp);
5077                 return -1;
5078         }
5079
5080         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
5081                 wpabuf_free(query);
5082                 wpabuf_free(resp);
5083                 return -1;
5084         }
5085         return 0;
5086 }
5087
5088
5089 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5090 {
5091         char *pos;
5092         u8 version;
5093
5094         pos = os_strchr(cmd, ' ');
5095         if (pos == NULL)
5096                 return -1;
5097         *pos++ = '\0';
5098
5099         if (hexstr2bin(cmd, &version, 1) < 0)
5100                 return -1;
5101
5102         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
5103 }
5104
5105
5106 static int p2p_ctrl_service_add_asp(struct wpa_supplicant *wpa_s,
5107                                     u8 replace, char *cmd)
5108 {
5109         char *pos;
5110         char *adv_str;
5111         u32 auto_accept, adv_id, svc_state, config_methods;
5112         char *svc_info = NULL;
5113
5114         pos = os_strchr(cmd, ' ');
5115         if (pos == NULL)
5116                 return -1;
5117         *pos++ = '\0';
5118
5119         /* Auto-Accept value is mandatory, and must be one of the
5120          * single values (0, 1, 2, 4) */
5121         auto_accept = atoi(cmd);
5122         switch (auto_accept) {
5123         case P2PS_SETUP_NONE: /* No auto-accept */
5124         case P2PS_SETUP_NEW:
5125         case P2PS_SETUP_CLIENT:
5126         case P2PS_SETUP_GROUP_OWNER:
5127                 break;
5128         default:
5129                 return -1;
5130         }
5131
5132         /* Advertisement ID is mandatory */
5133         cmd = pos;
5134         pos = os_strchr(cmd, ' ');
5135         if (pos == NULL)
5136                 return -1;
5137         *pos++ = '\0';
5138
5139         /* Handle Adv_ID == 0 (wildcard "org.wi-fi.wfds") internally. */
5140         if (sscanf(cmd, "%x", &adv_id) != 1 || adv_id == 0)
5141                 return -1;
5142
5143         /* Only allow replacements if exist, and adds if not */
5144         if (wpas_p2p_service_p2ps_id_exists(wpa_s, adv_id)) {
5145                 if (!replace)
5146                         return -1;
5147         } else {
5148                 if (replace)
5149                         return -1;
5150         }
5151
5152         /* svc_state between 0 - 0xff is mandatory */
5153         if (sscanf(pos, "%x", &svc_state) != 1 || svc_state > 0xff)
5154                 return -1;
5155
5156         pos = os_strchr(pos, ' ');
5157         if (pos == NULL)
5158                 return -1;
5159
5160         /* config_methods is mandatory */
5161         pos++;
5162         if (sscanf(pos, "%x", &config_methods) != 1)
5163                 return -1;
5164
5165         if (!(config_methods &
5166               (WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD | WPS_CONFIG_P2PS)))
5167                 return -1;
5168
5169         pos = os_strchr(pos, ' ');
5170         if (pos == NULL)
5171                 return -1;
5172
5173         pos++;
5174         adv_str = pos;
5175
5176         /* Advertisement string is mandatory */
5177         if (!pos[0] || pos[0] == ' ')
5178                 return -1;
5179
5180         /* Terminate svc string */
5181         pos = os_strchr(pos, ' ');
5182         if (pos != NULL)
5183                 *pos++ = '\0';
5184
5185         /* Service and Response Information are optional */
5186         if (pos && pos[0]) {
5187                 size_t len;
5188
5189                 /* Note the bare ' included, which cannot exist legally
5190                  * in unescaped string. */
5191                 svc_info = os_strstr(pos, "svc_info='");
5192
5193                 if (svc_info) {
5194                         svc_info += 9;
5195                         len = os_strlen(svc_info);
5196                         utf8_unescape(svc_info, len, svc_info, len);
5197                 }
5198         }
5199
5200         return wpas_p2p_service_add_asp(wpa_s, auto_accept, adv_id, adv_str,
5201                                         (u8) svc_state, (u16) config_methods,
5202                                         svc_info);
5203 }
5204
5205
5206 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
5207 {
5208         char *pos;
5209
5210         pos = os_strchr(cmd, ' ');
5211         if (pos == NULL)
5212                 return -1;
5213         *pos++ = '\0';
5214
5215         if (os_strcmp(cmd, "bonjour") == 0)
5216                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
5217         if (os_strcmp(cmd, "upnp") == 0)
5218                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
5219         if (os_strcmp(cmd, "asp") == 0)
5220                 return p2p_ctrl_service_add_asp(wpa_s, 0, pos);
5221         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5222         return -1;
5223 }
5224
5225
5226 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
5227                                         char *cmd)
5228 {
5229         size_t len;
5230         struct wpabuf *query;
5231         int ret;
5232
5233         len = os_strlen(cmd);
5234         if (len & 1)
5235                 return -1;
5236         len /= 2;
5237         query = wpabuf_alloc(len);
5238         if (query == NULL)
5239                 return -1;
5240         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5241                 wpabuf_free(query);
5242                 return -1;
5243         }
5244
5245         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
5246         wpabuf_free(query);
5247         return ret;
5248 }
5249
5250
5251 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5252 {
5253         char *pos;
5254         u8 version;
5255
5256         pos = os_strchr(cmd, ' ');
5257         if (pos == NULL)
5258                 return -1;
5259         *pos++ = '\0';
5260
5261         if (hexstr2bin(cmd, &version, 1) < 0)
5262                 return -1;
5263
5264         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
5265 }
5266
5267
5268 static int p2p_ctrl_service_del_asp(struct wpa_supplicant *wpa_s, char *cmd)
5269 {
5270         u32 adv_id;
5271
5272         if (sscanf(cmd, "%x", &adv_id) != 1)
5273                 return -1;
5274
5275         return wpas_p2p_service_del_asp(wpa_s, adv_id);
5276 }
5277
5278
5279 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
5280 {
5281         char *pos;
5282
5283         pos = os_strchr(cmd, ' ');
5284         if (pos == NULL)
5285                 return -1;
5286         *pos++ = '\0';
5287
5288         if (os_strcmp(cmd, "bonjour") == 0)
5289                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
5290         if (os_strcmp(cmd, "upnp") == 0)
5291                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
5292         if (os_strcmp(cmd, "asp") == 0)
5293                 return p2p_ctrl_service_del_asp(wpa_s, pos);
5294         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5295         return -1;
5296 }
5297
5298
5299 static int p2p_ctrl_service_replace(struct wpa_supplicant *wpa_s, char *cmd)
5300 {
5301         char *pos;
5302
5303         pos = os_strchr(cmd, ' ');
5304         if (pos == NULL)
5305                 return -1;
5306         *pos++ = '\0';
5307
5308         if (os_strcmp(cmd, "asp") == 0)
5309                 return p2p_ctrl_service_add_asp(wpa_s, 1, pos);
5310
5311         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5312         return -1;
5313 }
5314
5315
5316 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
5317 {
5318         u8 addr[ETH_ALEN];
5319
5320         /* <addr> */
5321
5322         if (hwaddr_aton(cmd, addr))
5323                 return -1;
5324
5325         return wpas_p2p_reject(wpa_s, addr);
5326 }
5327
5328
5329 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
5330 {
5331         char *pos;
5332         int id;
5333         struct wpa_ssid *ssid;
5334         u8 *_peer = NULL, peer[ETH_ALEN];
5335         int freq = 0, pref_freq = 0;
5336         int ht40, vht;
5337
5338         id = atoi(cmd);
5339         pos = os_strstr(cmd, " peer=");
5340         if (pos) {
5341                 pos += 6;
5342                 if (hwaddr_aton(pos, peer))
5343                         return -1;
5344                 _peer = peer;
5345         }
5346         ssid = wpa_config_get_network(wpa_s->conf, id);
5347         if (ssid == NULL || ssid->disabled != 2) {
5348                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5349                            "for persistent P2P group",
5350                            id);
5351                 return -1;
5352         }
5353
5354         pos = os_strstr(cmd, " freq=");
5355         if (pos) {
5356                 pos += 6;
5357                 freq = atoi(pos);
5358                 if (freq <= 0)
5359                         return -1;
5360         }
5361
5362         pos = os_strstr(cmd, " pref=");
5363         if (pos) {
5364                 pos += 6;
5365                 pref_freq = atoi(pos);
5366                 if (pref_freq <= 0)
5367                         return -1;
5368         }
5369
5370         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
5371         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5372                 vht;
5373
5374         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
5375                                pref_freq);
5376 }
5377
5378
5379 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
5380 {
5381         char *pos;
5382         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
5383
5384         pos = os_strstr(cmd, " peer=");
5385         if (!pos)
5386                 return -1;
5387
5388         *pos = '\0';
5389         pos += 6;
5390         if (hwaddr_aton(pos, peer)) {
5391                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
5392                 return -1;
5393         }
5394
5395         pos = os_strstr(pos, " go_dev_addr=");
5396         if (pos) {
5397                 pos += 13;
5398                 if (hwaddr_aton(pos, go_dev_addr)) {
5399                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
5400                                    pos);
5401                         return -1;
5402                 }
5403                 go_dev = go_dev_addr;
5404         }
5405
5406         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
5407 }
5408
5409
5410 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
5411 {
5412         if (os_strncmp(cmd, "persistent=", 11) == 0)
5413                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
5414         if (os_strncmp(cmd, "group=", 6) == 0)
5415                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
5416
5417         return -1;
5418 }
5419
5420
5421 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
5422                                          char *cmd, int freq, int ht40,
5423                                          int vht)
5424 {
5425         int id;
5426         struct wpa_ssid *ssid;
5427
5428         id = atoi(cmd);
5429         ssid = wpa_config_get_network(wpa_s->conf, id);
5430         if (ssid == NULL || ssid->disabled != 2) {
5431                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5432                            "for persistent P2P group",
5433                            id);
5434                 return -1;
5435         }
5436
5437         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, 0, ht40, vht,
5438                                              NULL, 0);
5439 }
5440
5441
5442 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
5443 {
5444         int freq = 0, ht40, vht;
5445         char *pos;
5446
5447         pos = os_strstr(cmd, "freq=");
5448         if (pos)
5449                 freq = atoi(pos + 5);
5450
5451         vht = (os_strstr(cmd, "vht") != NULL) || wpa_s->conf->p2p_go_vht;
5452         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5453                 vht;
5454
5455         if (os_strncmp(cmd, "persistent=", 11) == 0)
5456                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
5457                                                      ht40, vht);
5458         if (os_strcmp(cmd, "persistent") == 0 ||
5459             os_strncmp(cmd, "persistent ", 11) == 0)
5460                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40, vht);
5461         if (os_strncmp(cmd, "freq=", 5) == 0)
5462                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
5463         if (ht40)
5464                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
5465
5466         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
5467                    cmd);
5468         return -1;
5469 }
5470
5471
5472 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
5473                          char *buf, size_t buflen)
5474 {
5475         u8 addr[ETH_ALEN], *addr_ptr;
5476         int next, res;
5477         const struct p2p_peer_info *info;
5478         char *pos, *end;
5479         char devtype[WPS_DEV_TYPE_BUFSIZE];
5480         struct wpa_ssid *ssid;
5481         size_t i;
5482
5483         if (!wpa_s->global->p2p)
5484                 return -1;
5485
5486         if (os_strcmp(cmd, "FIRST") == 0) {
5487                 addr_ptr = NULL;
5488                 next = 0;
5489         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
5490                 if (hwaddr_aton(cmd + 5, addr) < 0)
5491                         return -1;
5492                 addr_ptr = addr;
5493                 next = 1;
5494         } else {
5495                 if (hwaddr_aton(cmd, addr) < 0)
5496                         return -1;
5497                 addr_ptr = addr;
5498                 next = 0;
5499         }
5500
5501         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
5502         if (info == NULL)
5503                 return -1;
5504
5505         pos = buf;
5506         end = buf + buflen;
5507
5508         res = os_snprintf(pos, end - pos, MACSTR "\n"
5509                           "pri_dev_type=%s\n"
5510                           "device_name=%s\n"
5511                           "manufacturer=%s\n"
5512                           "model_name=%s\n"
5513                           "model_number=%s\n"
5514                           "serial_number=%s\n"
5515                           "config_methods=0x%x\n"
5516                           "dev_capab=0x%x\n"
5517                           "group_capab=0x%x\n"
5518                           "level=%d\n",
5519                           MAC2STR(info->p2p_device_addr),
5520                           wps_dev_type_bin2str(info->pri_dev_type,
5521                                                devtype, sizeof(devtype)),
5522                           info->device_name,
5523                           info->manufacturer,
5524                           info->model_name,
5525                           info->model_number,
5526                           info->serial_number,
5527                           info->config_methods,
5528                           info->dev_capab,
5529                           info->group_capab,
5530                           info->level);
5531         if (os_snprintf_error(end - pos, res))
5532                 return pos - buf;
5533         pos += res;
5534
5535         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
5536         {
5537                 const u8 *t;
5538                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
5539                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
5540                                   wps_dev_type_bin2str(t, devtype,
5541                                                        sizeof(devtype)));
5542                 if (os_snprintf_error(end - pos, res))
5543                         return pos - buf;
5544                 pos += res;
5545         }
5546
5547         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
5548         if (ssid) {
5549                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
5550                 if (os_snprintf_error(end - pos, res))
5551                         return pos - buf;
5552                 pos += res;
5553         }
5554
5555         res = p2p_get_peer_info_txt(info, pos, end - pos);
5556         if (res < 0)
5557                 return pos - buf;
5558         pos += res;
5559
5560         if (info->vendor_elems) {
5561                 res = os_snprintf(pos, end - pos, "vendor_elems=");
5562                 if (os_snprintf_error(end - pos, res))
5563                         return pos - buf;
5564                 pos += res;
5565
5566                 pos += wpa_snprintf_hex(pos, end - pos,
5567                                         wpabuf_head(info->vendor_elems),
5568                                         wpabuf_len(info->vendor_elems));
5569
5570                 res = os_snprintf(pos, end - pos, "\n");
5571                 if (os_snprintf_error(end - pos, res))
5572                         return pos - buf;
5573                 pos += res;
5574         }
5575
5576         return pos - buf;
5577 }
5578
5579
5580 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
5581                                   const char *param)
5582 {
5583         unsigned int i;
5584
5585         if (wpa_s->global->p2p == NULL)
5586                 return -1;
5587
5588         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
5589                 return -1;
5590
5591         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
5592                 struct wpa_freq_range *freq;
5593                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
5594                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
5595                            freq->min, freq->max);
5596         }
5597
5598         wpas_p2p_update_channel_list(wpa_s);
5599         return 0;
5600 }
5601
5602
5603 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
5604 {
5605         char *param;
5606
5607         if (wpa_s->global->p2p == NULL)
5608                 return -1;
5609
5610         param = os_strchr(cmd, ' ');
5611         if (param == NULL)
5612                 return -1;
5613         *param++ = '\0';
5614
5615         if (os_strcmp(cmd, "discoverability") == 0) {
5616                 p2p_set_client_discoverability(wpa_s->global->p2p,
5617                                                atoi(param));
5618                 return 0;
5619         }
5620
5621         if (os_strcmp(cmd, "managed") == 0) {
5622                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
5623                 return 0;
5624         }
5625
5626         if (os_strcmp(cmd, "listen_channel") == 0) {
5627                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
5628                                               atoi(param), 1);
5629         }
5630
5631         if (os_strcmp(cmd, "ssid_postfix") == 0) {
5632                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
5633                                             os_strlen(param));
5634         }
5635
5636         if (os_strcmp(cmd, "noa") == 0) {
5637                 char *pos;
5638                 int count, start, duration;
5639                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
5640                 count = atoi(param);
5641                 pos = os_strchr(param, ',');
5642                 if (pos == NULL)
5643                         return -1;
5644                 pos++;
5645                 start = atoi(pos);
5646                 pos = os_strchr(pos, ',');
5647                 if (pos == NULL)
5648                         return -1;
5649                 pos++;
5650                 duration = atoi(pos);
5651                 if (count < 0 || count > 255 || start < 0 || duration < 0)
5652                         return -1;
5653                 if (count == 0 && duration > 0)
5654                         return -1;
5655                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
5656                            "start=%d duration=%d", count, start, duration);
5657                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
5658         }
5659
5660         if (os_strcmp(cmd, "ps") == 0)
5661                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
5662
5663         if (os_strcmp(cmd, "oppps") == 0)
5664                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
5665
5666         if (os_strcmp(cmd, "ctwindow") == 0)
5667                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
5668
5669         if (os_strcmp(cmd, "disabled") == 0) {
5670                 wpa_s->global->p2p_disabled = atoi(param);
5671                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
5672                            wpa_s->global->p2p_disabled ?
5673                            "disabled" : "enabled");
5674                 if (wpa_s->global->p2p_disabled) {
5675                         wpas_p2p_stop_find(wpa_s);
5676                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5677                         p2p_flush(wpa_s->global->p2p);
5678                 }
5679                 return 0;
5680         }
5681
5682         if (os_strcmp(cmd, "conc_pref") == 0) {
5683                 if (os_strcmp(param, "sta") == 0)
5684                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
5685                 else if (os_strcmp(param, "p2p") == 0)
5686                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
5687                 else {
5688                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
5689                         return -1;
5690                 }
5691                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
5692                            "%s", param);
5693                 return 0;
5694         }
5695
5696         if (os_strcmp(cmd, "force_long_sd") == 0) {
5697                 wpa_s->force_long_sd = atoi(param);
5698                 return 0;
5699         }
5700
5701         if (os_strcmp(cmd, "peer_filter") == 0) {
5702                 u8 addr[ETH_ALEN];
5703                 if (hwaddr_aton(param, addr))
5704                         return -1;
5705                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
5706                 return 0;
5707         }
5708
5709         if (os_strcmp(cmd, "cross_connect") == 0)
5710                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
5711
5712         if (os_strcmp(cmd, "go_apsd") == 0) {
5713                 if (os_strcmp(param, "disable") == 0)
5714                         wpa_s->set_ap_uapsd = 0;
5715                 else {
5716                         wpa_s->set_ap_uapsd = 1;
5717                         wpa_s->ap_uapsd = atoi(param);
5718                 }
5719                 return 0;
5720         }
5721
5722         if (os_strcmp(cmd, "client_apsd") == 0) {
5723                 if (os_strcmp(param, "disable") == 0)
5724                         wpa_s->set_sta_uapsd = 0;
5725                 else {
5726                         int be, bk, vi, vo;
5727                         char *pos;
5728                         /* format: BE,BK,VI,VO;max SP Length */
5729                         be = atoi(param);
5730                         pos = os_strchr(param, ',');
5731                         if (pos == NULL)
5732                                 return -1;
5733                         pos++;
5734                         bk = atoi(pos);
5735                         pos = os_strchr(pos, ',');
5736                         if (pos == NULL)
5737                                 return -1;
5738                         pos++;
5739                         vi = atoi(pos);
5740                         pos = os_strchr(pos, ',');
5741                         if (pos == NULL)
5742                                 return -1;
5743                         pos++;
5744                         vo = atoi(pos);
5745                         /* ignore max SP Length for now */
5746
5747                         wpa_s->set_sta_uapsd = 1;
5748                         wpa_s->sta_uapsd = 0;
5749                         if (be)
5750                                 wpa_s->sta_uapsd |= BIT(0);
5751                         if (bk)
5752                                 wpa_s->sta_uapsd |= BIT(1);
5753                         if (vi)
5754                                 wpa_s->sta_uapsd |= BIT(2);
5755                         if (vo)
5756                                 wpa_s->sta_uapsd |= BIT(3);
5757                 }
5758                 return 0;
5759         }
5760
5761         if (os_strcmp(cmd, "disallow_freq") == 0)
5762                 return p2p_ctrl_disallow_freq(wpa_s, param);
5763
5764         if (os_strcmp(cmd, "disc_int") == 0) {
5765                 int min_disc_int, max_disc_int, max_disc_tu;
5766                 char *pos;
5767
5768                 pos = param;
5769
5770                 min_disc_int = atoi(pos);
5771                 pos = os_strchr(pos, ' ');
5772                 if (pos == NULL)
5773                         return -1;
5774                 *pos++ = '\0';
5775
5776                 max_disc_int = atoi(pos);
5777                 pos = os_strchr(pos, ' ');
5778                 if (pos == NULL)
5779                         return -1;
5780                 *pos++ = '\0';
5781
5782                 max_disc_tu = atoi(pos);
5783
5784                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
5785                                         max_disc_int, max_disc_tu);
5786         }
5787
5788         if (os_strcmp(cmd, "per_sta_psk") == 0) {
5789                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
5790                 return 0;
5791         }
5792
5793 #ifdef CONFIG_WPS_NFC
5794         if (os_strcmp(cmd, "nfc_tag") == 0)
5795                 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
5796 #endif /* CONFIG_WPS_NFC */
5797
5798         if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
5799                 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
5800                 return 0;
5801         }
5802
5803         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
5804                    cmd);
5805
5806         return -1;
5807 }
5808
5809
5810 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
5811 {
5812         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5813         wpa_s->force_long_sd = 0;
5814         wpas_p2p_stop_find(wpa_s);
5815         if (wpa_s->global->p2p)
5816                 p2p_flush(wpa_s->global->p2p);
5817 }
5818
5819
5820 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
5821 {
5822         char *pos, *pos2;
5823         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
5824
5825         if (cmd[0]) {
5826                 pos = os_strchr(cmd, ' ');
5827                 if (pos == NULL)
5828                         return -1;
5829                 *pos++ = '\0';
5830                 dur1 = atoi(cmd);
5831
5832                 pos2 = os_strchr(pos, ' ');
5833                 if (pos2)
5834                         *pos2++ = '\0';
5835                 int1 = atoi(pos);
5836         } else
5837                 pos2 = NULL;
5838
5839         if (pos2) {
5840                 pos = os_strchr(pos2, ' ');
5841                 if (pos == NULL)
5842                         return -1;
5843                 *pos++ = '\0';
5844                 dur2 = atoi(pos2);
5845                 int2 = atoi(pos);
5846         }
5847
5848         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
5849 }
5850
5851
5852 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
5853 {
5854         char *pos;
5855         unsigned int period = 0, interval = 0;
5856
5857         if (cmd[0]) {
5858                 pos = os_strchr(cmd, ' ');
5859                 if (pos == NULL)
5860                         return -1;
5861                 *pos++ = '\0';
5862                 period = atoi(cmd);
5863                 interval = atoi(pos);
5864         }
5865
5866         return wpas_p2p_ext_listen(wpa_s, period, interval);
5867 }
5868
5869
5870 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
5871 {
5872         const char *pos;
5873         u8 peer[ETH_ALEN];
5874         int iface_addr = 0;
5875
5876         pos = cmd;
5877         if (os_strncmp(pos, "iface=", 6) == 0) {
5878                 iface_addr = 1;
5879                 pos += 6;
5880         }
5881         if (hwaddr_aton(pos, peer))
5882                 return -1;
5883
5884         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
5885         return 0;
5886 }
5887
5888 #endif /* CONFIG_P2P */
5889
5890
5891 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
5892 {
5893         struct wpa_freq_range_list ranges;
5894         int *freqs = NULL;
5895         struct hostapd_hw_modes *mode;
5896         u16 i;
5897
5898         if (wpa_s->hw.modes == NULL)
5899                 return NULL;
5900
5901         os_memset(&ranges, 0, sizeof(ranges));
5902         if (freq_range_list_parse(&ranges, val) < 0)
5903                 return NULL;
5904
5905         for (i = 0; i < wpa_s->hw.num_modes; i++) {
5906                 int j;
5907
5908                 mode = &wpa_s->hw.modes[i];
5909                 for (j = 0; j < mode->num_channels; j++) {
5910                         unsigned int freq;
5911
5912                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
5913                                 continue;
5914
5915                         freq = mode->channels[j].freq;
5916                         if (!freq_range_list_includes(&ranges, freq))
5917                                 continue;
5918
5919                         int_array_add_unique(&freqs, freq);
5920                 }
5921         }
5922
5923         os_free(ranges.range);
5924         return freqs;
5925 }
5926
5927
5928 #ifdef CONFIG_INTERWORKING
5929
5930 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
5931 {
5932         int auto_sel = 0;
5933         int *freqs = NULL;
5934
5935         if (param) {
5936                 char *pos;
5937
5938                 auto_sel = os_strstr(param, "auto") != NULL;
5939
5940                 pos = os_strstr(param, "freq=");
5941                 if (pos) {
5942                         freqs = freq_range_to_channel_list(wpa_s, pos + 5);
5943                         if (freqs == NULL)
5944                                 return -1;
5945                 }
5946
5947         }
5948
5949         return interworking_select(wpa_s, auto_sel, freqs);
5950 }
5951
5952
5953 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst,
5954                                      int only_add)
5955 {
5956         u8 bssid[ETH_ALEN];
5957         struct wpa_bss *bss;
5958
5959         if (hwaddr_aton(dst, bssid)) {
5960                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
5961                 return -1;
5962         }
5963
5964         bss = wpa_bss_get_bssid(wpa_s, bssid);
5965         if (bss == NULL) {
5966                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
5967                            MAC2STR(bssid));
5968                 return -1;
5969         }
5970
5971         if (bss->ssid_len == 0) {
5972                 int found = 0;
5973
5974                 wpa_printf(MSG_DEBUG, "Selected BSS entry for " MACSTR
5975                            " does not have SSID information", MAC2STR(bssid));
5976
5977                 dl_list_for_each_reverse(bss, &wpa_s->bss, struct wpa_bss,
5978                                          list) {
5979                         if (os_memcmp(bss->bssid, bssid, ETH_ALEN) == 0 &&
5980                             bss->ssid_len > 0) {
5981                                 found = 1;
5982                                 break;
5983                         }
5984                 }
5985
5986                 if (!found)
5987                         return -1;
5988                 wpa_printf(MSG_DEBUG,
5989                            "Found another matching BSS entry with SSID");
5990         }
5991
5992         return interworking_connect(wpa_s, bss, only_add);
5993 }
5994
5995
5996 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
5997 {
5998         u8 dst_addr[ETH_ALEN];
5999         int used;
6000         char *pos;
6001 #define MAX_ANQP_INFO_ID 100
6002         u16 id[MAX_ANQP_INFO_ID];
6003         size_t num_id = 0;
6004         u32 subtypes = 0;
6005
6006         used = hwaddr_aton2(dst, dst_addr);
6007         if (used < 0)
6008                 return -1;
6009         pos = dst + used;
6010         if (*pos == ' ')
6011                 pos++;
6012         while (num_id < MAX_ANQP_INFO_ID) {
6013                 if (os_strncmp(pos, "hs20:", 5) == 0) {
6014 #ifdef CONFIG_HS20
6015                         int num = atoi(pos + 5);
6016                         if (num <= 0 || num > 31)
6017                                 return -1;
6018                         subtypes |= BIT(num);
6019 #else /* CONFIG_HS20 */
6020                         return -1;
6021 #endif /* CONFIG_HS20 */
6022                 } else {
6023                         id[num_id] = atoi(pos);
6024                         if (id[num_id])
6025                                 num_id++;
6026                 }
6027                 pos = os_strchr(pos + 1, ',');
6028                 if (pos == NULL)
6029                         break;
6030                 pos++;
6031         }
6032
6033         if (num_id == 0)
6034                 return -1;
6035
6036         return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes);
6037 }
6038
6039
6040 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
6041 {
6042         u8 dst_addr[ETH_ALEN];
6043         struct wpabuf *advproto, *query = NULL;
6044         int used, ret = -1;
6045         char *pos, *end;
6046         size_t len;
6047
6048         used = hwaddr_aton2(cmd, dst_addr);
6049         if (used < 0)
6050                 return -1;
6051
6052         pos = cmd + used;
6053         while (*pos == ' ')
6054                 pos++;
6055
6056         /* Advertisement Protocol ID */
6057         end = os_strchr(pos, ' ');
6058         if (end)
6059                 len = end - pos;
6060         else
6061                 len = os_strlen(pos);
6062         if (len & 0x01)
6063                 return -1;
6064         len /= 2;
6065         if (len == 0)
6066                 return -1;
6067         advproto = wpabuf_alloc(len);
6068         if (advproto == NULL)
6069                 return -1;
6070         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
6071                 goto fail;
6072
6073         if (end) {
6074                 /* Optional Query Request */
6075                 pos = end + 1;
6076                 while (*pos == ' ')
6077                         pos++;
6078
6079                 len = os_strlen(pos);
6080                 if (len) {
6081                         if (len & 0x01)
6082                                 goto fail;
6083                         len /= 2;
6084                         if (len == 0)
6085                                 goto fail;
6086                         query = wpabuf_alloc(len);
6087                         if (query == NULL)
6088                                 goto fail;
6089                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
6090                                 goto fail;
6091                 }
6092         }
6093
6094         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
6095
6096 fail:
6097         wpabuf_free(advproto);
6098         wpabuf_free(query);
6099
6100         return ret;
6101 }
6102
6103
6104 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
6105                             size_t buflen)
6106 {
6107         u8 addr[ETH_ALEN];
6108         int dialog_token;
6109         int used;
6110         char *pos;
6111         size_t resp_len, start, requested_len;
6112         struct wpabuf *resp;
6113         int ret;
6114
6115         used = hwaddr_aton2(cmd, addr);
6116         if (used < 0)
6117                 return -1;
6118
6119         pos = cmd + used;
6120         while (*pos == ' ')
6121                 pos++;
6122         dialog_token = atoi(pos);
6123
6124         if (wpa_s->last_gas_resp &&
6125             os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
6126             dialog_token == wpa_s->last_gas_dialog_token)
6127                 resp = wpa_s->last_gas_resp;
6128         else if (wpa_s->prev_gas_resp &&
6129                  os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
6130                  dialog_token == wpa_s->prev_gas_dialog_token)
6131                 resp = wpa_s->prev_gas_resp;
6132         else
6133                 return -1;
6134
6135         resp_len = wpabuf_len(resp);
6136         start = 0;
6137         requested_len = resp_len;
6138
6139         pos = os_strchr(pos, ' ');
6140         if (pos) {
6141                 start = atoi(pos);
6142                 if (start > resp_len)
6143                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6144                 pos = os_strchr(pos, ',');
6145                 if (pos == NULL)
6146                         return -1;
6147                 pos++;
6148                 requested_len = atoi(pos);
6149                 if (start + requested_len > resp_len)
6150                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6151         }
6152
6153         if (requested_len * 2 + 1 > buflen)
6154                 return os_snprintf(buf, buflen, "FAIL-Too long response");
6155
6156         ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
6157                                requested_len);
6158
6159         if (start + requested_len == resp_len) {
6160                 /*
6161                  * Free memory by dropping the response after it has been
6162                  * fetched.
6163                  */
6164                 if (resp == wpa_s->prev_gas_resp) {
6165                         wpabuf_free(wpa_s->prev_gas_resp);
6166                         wpa_s->prev_gas_resp = NULL;
6167                 } else {
6168                         wpabuf_free(wpa_s->last_gas_resp);
6169                         wpa_s->last_gas_resp = NULL;
6170                 }
6171         }
6172
6173         return ret;
6174 }
6175 #endif /* CONFIG_INTERWORKING */
6176
6177
6178 #ifdef CONFIG_HS20
6179
6180 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
6181 {
6182         u8 dst_addr[ETH_ALEN];
6183         int used;
6184         char *pos;
6185         u32 subtypes = 0;
6186
6187         used = hwaddr_aton2(dst, dst_addr);
6188         if (used < 0)
6189                 return -1;
6190         pos = dst + used;
6191         if (*pos == ' ')
6192                 pos++;
6193         for (;;) {
6194                 int num = atoi(pos);
6195                 if (num <= 0 || num > 31)
6196                         return -1;
6197                 subtypes |= BIT(num);
6198                 pos = os_strchr(pos + 1, ',');
6199                 if (pos == NULL)
6200                         break;
6201                 pos++;
6202         }
6203
6204         if (subtypes == 0)
6205                 return -1;
6206
6207         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
6208 }
6209
6210
6211 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6212                                     const u8 *addr, const char *realm)
6213 {
6214         u8 *buf;
6215         size_t rlen, len;
6216         int ret;
6217
6218         rlen = os_strlen(realm);
6219         len = 3 + rlen;
6220         buf = os_malloc(len);
6221         if (buf == NULL)
6222                 return -1;
6223         buf[0] = 1; /* NAI Home Realm Count */
6224         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
6225         buf[2] = rlen;
6226         os_memcpy(buf + 3, realm, rlen);
6227
6228         ret = hs20_anqp_send_req(wpa_s, addr,
6229                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6230                                  buf, len);
6231
6232         os_free(buf);
6233
6234         return ret;
6235 }
6236
6237
6238 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6239                                         char *dst)
6240 {
6241         struct wpa_cred *cred = wpa_s->conf->cred;
6242         u8 dst_addr[ETH_ALEN];
6243         int used;
6244         u8 *buf;
6245         size_t len;
6246         int ret;
6247
6248         used = hwaddr_aton2(dst, dst_addr);
6249         if (used < 0)
6250                 return -1;
6251
6252         while (dst[used] == ' ')
6253                 used++;
6254         if (os_strncmp(dst + used, "realm=", 6) == 0)
6255                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
6256                                                 dst + used + 6);
6257
6258         len = os_strlen(dst + used);
6259
6260         if (len == 0 && cred && cred->realm)
6261                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
6262
6263         if (len & 1)
6264                 return -1;
6265         len /= 2;
6266         buf = os_malloc(len);
6267         if (buf == NULL)
6268                 return -1;
6269         if (hexstr2bin(dst + used, buf, len) < 0) {
6270                 os_free(buf);
6271                 return -1;
6272         }
6273
6274         ret = hs20_anqp_send_req(wpa_s, dst_addr,
6275                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6276                                  buf, len);
6277         os_free(buf);
6278
6279         return ret;
6280 }
6281
6282
6283 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd)
6284 {
6285         u8 dst_addr[ETH_ALEN];
6286         int used;
6287         char *icon;
6288
6289         used = hwaddr_aton2(cmd, dst_addr);
6290         if (used < 0)
6291                 return -1;
6292
6293         while (cmd[used] == ' ')
6294                 used++;
6295         icon = &cmd[used];
6296
6297         wpa_s->fetch_osu_icon_in_progress = 0;
6298         return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
6299                                   (u8 *) icon, os_strlen(icon));
6300 }
6301
6302 #endif /* CONFIG_HS20 */
6303
6304
6305 #ifdef CONFIG_AUTOSCAN
6306
6307 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
6308                                               char *cmd)
6309 {
6310         enum wpa_states state = wpa_s->wpa_state;
6311         char *new_params = NULL;
6312
6313         if (os_strlen(cmd) > 0) {
6314                 new_params = os_strdup(cmd);
6315                 if (new_params == NULL)
6316                         return -1;
6317         }
6318
6319         os_free(wpa_s->conf->autoscan);
6320         wpa_s->conf->autoscan = new_params;
6321
6322         if (wpa_s->conf->autoscan == NULL)
6323                 autoscan_deinit(wpa_s);
6324         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
6325                 autoscan_init(wpa_s, 1);
6326         else if (state == WPA_SCANNING)
6327                 wpa_supplicant_reinit_autoscan(wpa_s);
6328
6329         return 0;
6330 }
6331
6332 #endif /* CONFIG_AUTOSCAN */
6333
6334
6335 #ifdef CONFIG_WNM
6336
6337 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
6338 {
6339         int enter;
6340         int intval = 0;
6341         char *pos;
6342         int ret;
6343         struct wpabuf *tfs_req = NULL;
6344
6345         if (os_strncmp(cmd, "enter", 5) == 0)
6346                 enter = 1;
6347         else if (os_strncmp(cmd, "exit", 4) == 0)
6348                 enter = 0;
6349         else
6350                 return -1;
6351
6352         pos = os_strstr(cmd, " interval=");
6353         if (pos)
6354                 intval = atoi(pos + 10);
6355
6356         pos = os_strstr(cmd, " tfs_req=");
6357         if (pos) {
6358                 char *end;
6359                 size_t len;
6360                 pos += 9;
6361                 end = os_strchr(pos, ' ');
6362                 if (end)
6363                         len = end - pos;
6364                 else
6365                         len = os_strlen(pos);
6366                 if (len & 1)
6367                         return -1;
6368                 len /= 2;
6369                 tfs_req = wpabuf_alloc(len);
6370                 if (tfs_req == NULL)
6371                         return -1;
6372                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
6373                         wpabuf_free(tfs_req);
6374                         return -1;
6375                 }
6376         }
6377
6378         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
6379                                            WNM_SLEEP_MODE_EXIT, intval,
6380                                            tfs_req);
6381         wpabuf_free(tfs_req);
6382
6383         return ret;
6384 }
6385
6386
6387 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
6388 {
6389         int query_reason;
6390
6391         query_reason = atoi(cmd);
6392
6393         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
6394                    query_reason);
6395
6396         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
6397 }
6398
6399 #endif /* CONFIG_WNM */
6400
6401
6402 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
6403                                       size_t buflen)
6404 {
6405         struct wpa_signal_info si;
6406         int ret;
6407         char *pos, *end;
6408
6409         ret = wpa_drv_signal_poll(wpa_s, &si);
6410         if (ret)
6411                 return -1;
6412
6413         pos = buf;
6414         end = buf + buflen;
6415
6416         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
6417                           "NOISE=%d\nFREQUENCY=%u\n",
6418                           si.current_signal, si.current_txrate / 1000,
6419                           si.current_noise, si.frequency);
6420         if (os_snprintf_error(end - pos, ret))
6421                 return -1;
6422         pos += ret;
6423
6424         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
6425                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
6426                                   channel_width_to_string(si.chanwidth));
6427                 if (os_snprintf_error(end - pos, ret))
6428                         return -1;
6429                 pos += ret;
6430         }
6431
6432         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
6433                 ret = os_snprintf(pos, end - pos,
6434                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
6435                                   si.center_frq1, si.center_frq2);
6436                 if (os_snprintf_error(end - pos, ret))
6437                         return -1;
6438                 pos += ret;
6439         }
6440
6441         if (si.avg_signal) {
6442                 ret = os_snprintf(pos, end - pos,
6443                                   "AVG_RSSI=%d\n", si.avg_signal);
6444                 if (os_snprintf_error(end - pos, ret))
6445                         return -1;
6446                 pos += ret;
6447         }
6448
6449         return pos - buf;
6450 }
6451
6452
6453 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
6454                                       size_t buflen)
6455 {
6456         struct hostap_sta_driver_data sta;
6457         int ret;
6458
6459         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
6460         if (ret)
6461                 return -1;
6462
6463         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
6464                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
6465         if (os_snprintf_error(buflen, ret))
6466                 return -1;
6467         return ret;
6468 }
6469
6470
6471 #ifdef ANDROID
6472 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6473                                      char *buf, size_t buflen)
6474 {
6475         int ret;
6476
6477         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
6478         if (ret == 0) {
6479                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
6480                         struct p2p_data *p2p = wpa_s->global->p2p;
6481                         if (p2p) {
6482                                 char country[3];
6483                                 country[0] = cmd[8];
6484                                 country[1] = cmd[9];
6485                                 country[2] = 0x04;
6486                                 p2p_set_country(p2p, country);
6487                         }
6488                 }
6489                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
6490                 if (os_snprintf_error(buflen, ret))
6491                         ret = -1;
6492         }
6493         return ret;
6494 }
6495 #endif /* ANDROID */
6496
6497
6498 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6499                                      char *buf, size_t buflen)
6500 {
6501         int ret;
6502         char *pos;
6503         u8 *data = NULL;
6504         unsigned int vendor_id, subcmd;
6505         struct wpabuf *reply;
6506         size_t data_len = 0;
6507
6508         /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
6509         vendor_id = strtoul(cmd, &pos, 16);
6510         if (!isblank(*pos))
6511                 return -EINVAL;
6512
6513         subcmd = strtoul(pos, &pos, 10);
6514
6515         if (*pos != '\0') {
6516                 if (!isblank(*pos++))
6517                         return -EINVAL;
6518                 data_len = os_strlen(pos);
6519         }
6520
6521         if (data_len) {
6522                 data_len /= 2;
6523                 data = os_malloc(data_len);
6524                 if (!data)
6525                         return -1;
6526
6527                 if (hexstr2bin(pos, data, data_len)) {
6528                         wpa_printf(MSG_DEBUG,
6529                                    "Vendor command: wrong parameter format");
6530                         os_free(data);
6531                         return -EINVAL;
6532                 }
6533         }
6534
6535         reply = wpabuf_alloc((buflen - 1) / 2);
6536         if (!reply) {
6537                 os_free(data);
6538                 return -1;
6539         }
6540
6541         ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
6542                                  reply);
6543
6544         if (ret == 0)
6545                 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
6546                                        wpabuf_len(reply));
6547
6548         wpabuf_free(reply);
6549         os_free(data);
6550
6551         return ret;
6552 }
6553
6554
6555 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
6556 {
6557 #ifdef CONFIG_P2P
6558         struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s ?
6559                 wpa_s->global->p2p_init_wpa_s : wpa_s;
6560 #endif /* CONFIG_P2P */
6561
6562         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
6563
6564 #ifdef CONFIG_P2P
6565         wpas_p2p_cancel(p2p_wpa_s);
6566         p2p_ctrl_flush(p2p_wpa_s);
6567         wpas_p2p_group_remove(p2p_wpa_s, "*");
6568         wpas_p2p_service_flush(p2p_wpa_s);
6569         p2p_wpa_s->global->p2p_disabled = 0;
6570         p2p_wpa_s->global->p2p_per_sta_psk = 0;
6571         p2p_wpa_s->conf->num_sec_device_types = 0;
6572         p2p_wpa_s->p2p_disable_ip_addr_req = 0;
6573         os_free(p2p_wpa_s->global->p2p_go_avoid_freq.range);
6574         p2p_wpa_s->global->p2p_go_avoid_freq.range = NULL;
6575         p2p_wpa_s->global->pending_p2ps_group = 0;
6576 #endif /* CONFIG_P2P */
6577
6578 #ifdef CONFIG_WPS_TESTING
6579         wps_version_number = 0x20;
6580         wps_testing_dummy_cred = 0;
6581         wps_corrupt_pkhash = 0;
6582 #endif /* CONFIG_WPS_TESTING */
6583 #ifdef CONFIG_WPS
6584         wpa_s->wps_fragment_size = 0;
6585         wpas_wps_cancel(wpa_s);
6586         wps_registrar_flush(wpa_s->wps->registrar);
6587 #endif /* CONFIG_WPS */
6588         wpa_s->after_wps = 0;
6589         wpa_s->known_wps_freq = 0;
6590
6591 #ifdef CONFIG_TDLS
6592 #ifdef CONFIG_TDLS_TESTING
6593         extern unsigned int tdls_testing;
6594         tdls_testing = 0;
6595 #endif /* CONFIG_TDLS_TESTING */
6596         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
6597         wpa_tdls_enable(wpa_s->wpa, 1);
6598 #endif /* CONFIG_TDLS */
6599
6600         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
6601         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
6602
6603         wpa_s->no_keep_alive = 0;
6604
6605         os_free(wpa_s->disallow_aps_bssid);
6606         wpa_s->disallow_aps_bssid = NULL;
6607         wpa_s->disallow_aps_bssid_count = 0;
6608         os_free(wpa_s->disallow_aps_ssid);
6609         wpa_s->disallow_aps_ssid = NULL;
6610         wpa_s->disallow_aps_ssid_count = 0;
6611
6612         wpa_s->set_sta_uapsd = 0;
6613         wpa_s->sta_uapsd = 0;
6614
6615         wpa_drv_radio_disable(wpa_s, 0);
6616         wpa_blacklist_clear(wpa_s);
6617         wpa_s->extra_blacklist_count = 0;
6618         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
6619         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
6620         wpa_config_flush_blobs(wpa_s->conf);
6621         wpa_s->conf->auto_interworking = 0;
6622         wpa_s->conf->okc = 0;
6623
6624         wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
6625         rsn_preauth_deinit(wpa_s->wpa);
6626
6627         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
6628         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
6629         wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
6630         eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
6631
6632         radio_remove_works(wpa_s, NULL, 1);
6633         wpa_s->ext_work_in_progress = 0;
6634
6635         wpa_s->next_ssid = NULL;
6636
6637 #ifdef CONFIG_INTERWORKING
6638         hs20_cancel_fetch_osu(wpa_s);
6639 #endif /* CONFIG_INTERWORKING */
6640
6641         wpa_s->ext_mgmt_frame_handling = 0;
6642         wpa_s->ext_eapol_frame_io = 0;
6643 #ifdef CONFIG_TESTING_OPTIONS
6644         wpa_s->extra_roc_dur = 0;
6645         wpa_s->test_failure = WPAS_TEST_FAILURE_NONE;
6646 #endif /* CONFIG_TESTING_OPTIONS */
6647
6648         wpa_s->disconnected = 0;
6649         os_free(wpa_s->next_scan_freqs);
6650         wpa_s->next_scan_freqs = NULL;
6651
6652         wpa_bss_flush(wpa_s);
6653         if (!dl_list_empty(&wpa_s->bss)) {
6654                 wpa_printf(MSG_DEBUG,
6655                            "BSS table not empty after flush: %u entries, current_bss=%p bssid="
6656                            MACSTR " pending_bssid=" MACSTR,
6657                            dl_list_len(&wpa_s->bss), wpa_s->current_bss,
6658                            MAC2STR(wpa_s->bssid),
6659                            MAC2STR(wpa_s->pending_bssid));
6660         }
6661 }
6662
6663
6664 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
6665                                      char *buf, size_t buflen)
6666 {
6667         struct wpa_radio_work *work;
6668         char *pos, *end;
6669         struct os_reltime now, diff;
6670
6671         pos = buf;
6672         end = buf + buflen;
6673
6674         os_get_reltime(&now);
6675
6676         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6677         {
6678                 int ret;
6679
6680                 os_reltime_sub(&now, &work->time, &diff);
6681                 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
6682                                   work->type, work->wpa_s->ifname, work->freq,
6683                                   work->started, diff.sec, diff.usec);
6684                 if (os_snprintf_error(end - pos, ret))
6685                         break;
6686                 pos += ret;
6687         }
6688
6689         return pos - buf;
6690 }
6691
6692
6693 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
6694 {
6695         struct wpa_radio_work *work = eloop_ctx;
6696         struct wpa_external_work *ework = work->ctx;
6697
6698         wpa_dbg(work->wpa_s, MSG_DEBUG,
6699                 "Timing out external radio work %u (%s)",
6700                 ework->id, work->type);
6701         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
6702         work->wpa_s->ext_work_in_progress = 0;
6703         radio_work_done(work);
6704         os_free(ework);
6705 }
6706
6707
6708 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
6709 {
6710         struct wpa_external_work *ework = work->ctx;
6711
6712         if (deinit) {
6713                 if (work->started)
6714                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6715                                              work, NULL);
6716
6717                 os_free(ework);
6718                 return;
6719         }
6720
6721         wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
6722                 ework->id, ework->type);
6723         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
6724         work->wpa_s->ext_work_in_progress = 1;
6725         if (!ework->timeout)
6726                 ework->timeout = 10;
6727         eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
6728                                work, NULL);
6729 }
6730
6731
6732 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
6733                                     char *buf, size_t buflen)
6734 {
6735         struct wpa_external_work *ework;
6736         char *pos, *pos2;
6737         size_t type_len;
6738         int ret;
6739         unsigned int freq = 0;
6740
6741         /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
6742
6743         ework = os_zalloc(sizeof(*ework));
6744         if (ework == NULL)
6745                 return -1;
6746
6747         pos = os_strchr(cmd, ' ');
6748         if (pos) {
6749                 type_len = pos - cmd;
6750                 pos++;
6751
6752                 pos2 = os_strstr(pos, "freq=");
6753                 if (pos2)
6754                         freq = atoi(pos2 + 5);
6755
6756                 pos2 = os_strstr(pos, "timeout=");
6757                 if (pos2)
6758                         ework->timeout = atoi(pos2 + 8);
6759         } else {
6760                 type_len = os_strlen(cmd);
6761         }
6762         if (4 + type_len >= sizeof(ework->type))
6763                 type_len = sizeof(ework->type) - 4 - 1;
6764         os_strlcpy(ework->type, "ext:", sizeof(ework->type));
6765         os_memcpy(ework->type + 4, cmd, type_len);
6766         ework->type[4 + type_len] = '\0';
6767
6768         wpa_s->ext_work_id++;
6769         if (wpa_s->ext_work_id == 0)
6770                 wpa_s->ext_work_id++;
6771         ework->id = wpa_s->ext_work_id;
6772
6773         if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
6774                            ework) < 0) {
6775                 os_free(ework);
6776                 return -1;
6777         }
6778
6779         ret = os_snprintf(buf, buflen, "%u", ework->id);
6780         if (os_snprintf_error(buflen, ret))
6781                 return -1;
6782         return ret;
6783 }
6784
6785
6786 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
6787 {
6788         struct wpa_radio_work *work;
6789         unsigned int id = atoi(cmd);
6790
6791         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6792         {
6793                 struct wpa_external_work *ework;
6794
6795                 if (os_strncmp(work->type, "ext:", 4) != 0)
6796                         continue;
6797                 ework = work->ctx;
6798                 if (id && ework->id != id)
6799                         continue;
6800                 wpa_dbg(wpa_s, MSG_DEBUG,
6801                         "Completed external radio work %u (%s)",
6802                         ework->id, ework->type);
6803                 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
6804                 wpa_s->ext_work_in_progress = 0;
6805                 radio_work_done(work);
6806                 os_free(ework);
6807                 return 3; /* "OK\n" */
6808         }
6809
6810         return -1;
6811 }
6812
6813
6814 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
6815                                 char *buf, size_t buflen)
6816 {
6817         if (os_strcmp(cmd, "show") == 0)
6818                 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
6819         if (os_strncmp(cmd, "add ", 4) == 0)
6820                 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
6821         if (os_strncmp(cmd, "done ", 5) == 0)
6822                 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
6823         return -1;
6824 }
6825
6826
6827 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
6828 {
6829         struct wpa_radio_work *work, *tmp;
6830
6831         if (!wpa_s || !wpa_s->radio)
6832                 return;
6833
6834         dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
6835                               struct wpa_radio_work, list) {
6836                 struct wpa_external_work *ework;
6837
6838                 if (os_strncmp(work->type, "ext:", 4) != 0)
6839                         continue;
6840                 ework = work->ctx;
6841                 wpa_dbg(wpa_s, MSG_DEBUG,
6842                         "Flushing%s external radio work %u (%s)",
6843                         work->started ? " started" : "", ework->id,
6844                         ework->type);
6845                 if (work->started)
6846                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6847                                              work, NULL);
6848                 radio_work_done(work);
6849                 os_free(ework);
6850         }
6851 }
6852
6853
6854 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
6855 {
6856         struct wpa_supplicant *wpa_s = eloop_ctx;
6857         eapol_sm_notify_ctrl_response(wpa_s->eapol);
6858 }
6859
6860
6861 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value,
6862                               unsigned int *scan_id_count, int scan_id[])
6863 {
6864         const char *pos = value;
6865
6866         while (pos) {
6867                 if (*pos == ' ' || *pos == '\0')
6868                         break;
6869                 if (*scan_id_count == MAX_SCAN_ID)
6870                         return -1;
6871                 scan_id[(*scan_id_count)++] = atoi(pos);
6872                 pos = os_strchr(pos, ',');
6873                 if (pos)
6874                         pos++;
6875         }
6876
6877         return 0;
6878 }
6879
6880
6881 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
6882                            char *reply, int reply_size, int *reply_len)
6883 {
6884         char *pos;
6885         unsigned int manual_scan_passive = 0;
6886         unsigned int manual_scan_use_id = 0;
6887         unsigned int manual_scan_only_new = 0;
6888         unsigned int scan_only = 0;
6889         unsigned int scan_id_count = 0;
6890         int scan_id[MAX_SCAN_ID];
6891         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
6892                                  struct wpa_scan_results *scan_res);
6893         int *manual_scan_freqs = NULL;
6894
6895         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
6896                 *reply_len = -1;
6897                 return;
6898         }
6899
6900         if (radio_work_pending(wpa_s, "scan")) {
6901                 wpa_printf(MSG_DEBUG,
6902                            "Pending scan scheduled - reject new request");
6903                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
6904                 return;
6905         }
6906
6907         if (params) {
6908                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
6909                         scan_only = 1;
6910
6911                 pos = os_strstr(params, "freq=");
6912                 if (pos) {
6913                         manual_scan_freqs = freq_range_to_channel_list(wpa_s,
6914                                                                        pos + 5);
6915                         if (manual_scan_freqs == NULL) {
6916                                 *reply_len = -1;
6917                                 goto done;
6918                         }
6919                 }
6920
6921                 pos = os_strstr(params, "passive=");
6922                 if (pos)
6923                         manual_scan_passive = !!atoi(pos + 8);
6924
6925                 pos = os_strstr(params, "use_id=");
6926                 if (pos)
6927                         manual_scan_use_id = atoi(pos + 7);
6928
6929                 pos = os_strstr(params, "only_new=1");
6930                 if (pos)
6931                         manual_scan_only_new = 1;
6932
6933                 pos = os_strstr(params, "scan_id=");
6934                 if (pos && scan_id_list_parse(wpa_s, pos + 8, &scan_id_count,
6935                                               scan_id) < 0) {
6936                         *reply_len = -1;
6937                         goto done;
6938                 }
6939         }
6940
6941         if (scan_only)
6942                 scan_res_handler = scan_only_handler;
6943         else if (wpa_s->scan_res_handler == scan_only_handler)
6944                 scan_res_handler = NULL;
6945         else
6946                 scan_res_handler = wpa_s->scan_res_handler;
6947
6948         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
6949             ((wpa_s->wpa_state <= WPA_SCANNING) ||
6950              (wpa_s->wpa_state == WPA_COMPLETED))) {
6951                 wpa_s->manual_scan_passive = manual_scan_passive;
6952                 wpa_s->manual_scan_use_id = manual_scan_use_id;
6953                 wpa_s->manual_scan_only_new = manual_scan_only_new;
6954                 wpa_s->scan_id_count = scan_id_count;
6955                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
6956                 wpa_s->scan_res_handler = scan_res_handler;
6957                 os_free(wpa_s->manual_scan_freqs);
6958                 wpa_s->manual_scan_freqs = manual_scan_freqs;
6959                 manual_scan_freqs = NULL;
6960
6961                 wpa_s->normal_scans = 0;
6962                 wpa_s->scan_req = MANUAL_SCAN_REQ;
6963                 wpa_s->after_wps = 0;
6964                 wpa_s->known_wps_freq = 0;
6965                 wpa_supplicant_req_scan(wpa_s, 0, 0);
6966                 if (wpa_s->manual_scan_use_id) {
6967                         wpa_s->manual_scan_id++;
6968                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
6969                                 wpa_s->manual_scan_id);
6970                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
6971                                                  wpa_s->manual_scan_id);
6972                 }
6973         } else if (wpa_s->sched_scanning) {
6974                 wpa_s->manual_scan_passive = manual_scan_passive;
6975                 wpa_s->manual_scan_use_id = manual_scan_use_id;
6976                 wpa_s->manual_scan_only_new = manual_scan_only_new;
6977                 wpa_s->scan_id_count = scan_id_count;
6978                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
6979                 wpa_s->scan_res_handler = scan_res_handler;
6980                 os_free(wpa_s->manual_scan_freqs);
6981                 wpa_s->manual_scan_freqs = manual_scan_freqs;
6982                 manual_scan_freqs = NULL;
6983
6984                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
6985                 wpa_supplicant_cancel_sched_scan(wpa_s);
6986                 wpa_s->scan_req = MANUAL_SCAN_REQ;
6987                 wpa_supplicant_req_scan(wpa_s, 0, 0);
6988                 if (wpa_s->manual_scan_use_id) {
6989                         wpa_s->manual_scan_id++;
6990                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
6991                                                  wpa_s->manual_scan_id);
6992                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
6993                                 wpa_s->manual_scan_id);
6994                 }
6995         } else {
6996                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
6997                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
6998         }
6999
7000 done:
7001         os_free(manual_scan_freqs);
7002 }
7003
7004
7005 #ifdef CONFIG_TESTING_OPTIONS
7006
7007 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
7008                                        unsigned int freq, const u8 *dst,
7009                                        const u8 *src, const u8 *bssid,
7010                                        const u8 *data, size_t data_len,
7011                                        enum offchannel_send_action_result
7012                                        result)
7013 {
7014         wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
7015                 " src=" MACSTR " bssid=" MACSTR " result=%s",
7016                 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
7017                 result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
7018                 "SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
7019                              "NO_ACK" : "FAILED"));
7020 }
7021
7022
7023 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
7024 {
7025         char *pos, *param;
7026         size_t len;
7027         u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
7028         int res, used;
7029         int freq = 0, no_cck = 0, wait_time = 0;
7030
7031         /* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
7032          *    <action=Action frame payload> */
7033
7034         wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
7035
7036         pos = cmd;
7037         used = hwaddr_aton2(pos, da);
7038         if (used < 0)
7039                 return -1;
7040         pos += used;
7041         while (*pos == ' ')
7042                 pos++;
7043         used = hwaddr_aton2(pos, bssid);
7044         if (used < 0)
7045                 return -1;
7046         pos += used;
7047
7048         param = os_strstr(pos, " freq=");
7049         if (param) {
7050                 param += 6;
7051                 freq = atoi(param);
7052         }
7053
7054         param = os_strstr(pos, " no_cck=");
7055         if (param) {
7056                 param += 8;
7057                 no_cck = atoi(param);
7058         }
7059
7060         param = os_strstr(pos, " wait_time=");
7061         if (param) {
7062                 param += 11;
7063                 wait_time = atoi(param);
7064         }
7065
7066         param = os_strstr(pos, " action=");
7067         if (param == NULL)
7068                 return -1;
7069         param += 8;
7070
7071         len = os_strlen(param);
7072         if (len & 1)
7073                 return -1;
7074         len /= 2;
7075
7076         buf = os_malloc(len);
7077         if (buf == NULL)
7078                 return -1;
7079
7080         if (hexstr2bin(param, buf, len) < 0) {
7081                 os_free(buf);
7082                 return -1;
7083         }
7084
7085         res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
7086                                      buf, len, wait_time,
7087                                      wpas_ctrl_iface_mgmt_tx_cb, no_cck);
7088         os_free(buf);
7089         return res;
7090 }
7091
7092
7093 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
7094 {
7095         wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
7096         offchannel_send_action_done(wpa_s);
7097 }
7098
7099
7100 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
7101 {
7102         char *pos, *param;
7103         union wpa_event_data event;
7104         enum wpa_event_type ev;
7105
7106         /* <event name> [parameters..] */
7107
7108         wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
7109
7110         pos = cmd;
7111         param = os_strchr(pos, ' ');
7112         if (param)
7113                 *param++ = '\0';
7114
7115         os_memset(&event, 0, sizeof(event));
7116
7117         if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
7118                 ev = EVENT_INTERFACE_ENABLED;
7119         } else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
7120                 ev = EVENT_INTERFACE_DISABLED;
7121         } else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
7122                 ev = EVENT_AVOID_FREQUENCIES;
7123                 if (param == NULL)
7124                         param = "";
7125                 if (freq_range_list_parse(&event.freq_range, param) < 0)
7126                         return -1;
7127                 wpa_supplicant_event(wpa_s, ev, &event);
7128                 os_free(event.freq_range.range);
7129                 return 0;
7130         } else {
7131                 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
7132                         cmd);
7133                 return -1;
7134         }
7135
7136         wpa_supplicant_event(wpa_s, ev, &event);
7137
7138         return 0;
7139 }
7140
7141
7142 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
7143 {
7144         char *pos;
7145         u8 src[ETH_ALEN], *buf;
7146         int used;
7147         size_t len;
7148
7149         wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
7150
7151         pos = cmd;
7152         used = hwaddr_aton2(pos, src);
7153         if (used < 0)
7154                 return -1;
7155         pos += used;
7156         while (*pos == ' ')
7157                 pos++;
7158
7159         len = os_strlen(pos);
7160         if (len & 1)
7161                 return -1;
7162         len /= 2;
7163
7164         buf = os_malloc(len);
7165         if (buf == NULL)
7166                 return -1;
7167
7168         if (hexstr2bin(pos, buf, len) < 0) {
7169                 os_free(buf);
7170                 return -1;
7171         }
7172
7173         wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
7174         os_free(buf);
7175
7176         return 0;
7177 }
7178
7179
7180 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
7181 {
7182         size_t i;
7183         u32 sum = 0;
7184         const u16 *pos = buf;
7185
7186         for (i = 0; i < len / 2; i++)
7187                 sum += *pos++;
7188
7189         while (sum >> 16)
7190                 sum = (sum & 0xffff) + (sum >> 16);
7191
7192         return sum ^ 0xffff;
7193 }
7194
7195
7196 #define HWSIM_PACKETLEN 1500
7197 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
7198
7199 void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
7200 {
7201         struct wpa_supplicant *wpa_s = ctx;
7202         const struct ether_header *eth;
7203         const struct iphdr *ip;
7204         const u8 *pos;
7205         unsigned int i;
7206
7207         if (len != HWSIM_PACKETLEN)
7208                 return;
7209
7210         eth = (const struct ether_header *) buf;
7211         ip = (const struct iphdr *) (eth + 1);
7212         pos = (const u8 *) (ip + 1);
7213
7214         if (ip->ihl != 5 || ip->version != 4 ||
7215             ntohs(ip->tot_len) != HWSIM_IP_LEN)
7216                 return;
7217
7218         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++) {
7219                 if (*pos != (u8) i)
7220                         return;
7221                 pos++;
7222         }
7223
7224         wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
7225                 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
7226 }
7227
7228
7229 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
7230                                             char *cmd)
7231 {
7232         int enabled = atoi(cmd);
7233
7234         if (!enabled) {
7235                 if (wpa_s->l2_test) {
7236                         l2_packet_deinit(wpa_s->l2_test);
7237                         wpa_s->l2_test = NULL;
7238                         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
7239                 }
7240                 return 0;
7241         }
7242
7243         if (wpa_s->l2_test)
7244                 return 0;
7245
7246         wpa_s->l2_test = l2_packet_init(wpa_s->ifname, wpa_s->own_addr,
7247                                         ETHERTYPE_IP, wpas_data_test_rx,
7248                                         wpa_s, 1);
7249         if (wpa_s->l2_test == NULL)
7250                 return -1;
7251
7252         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
7253
7254         return 0;
7255 }
7256
7257
7258 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
7259 {
7260         u8 dst[ETH_ALEN], src[ETH_ALEN];
7261         char *pos;
7262         int used;
7263         long int val;
7264         u8 tos;
7265         u8 buf[HWSIM_PACKETLEN];
7266         struct ether_header *eth;
7267         struct iphdr *ip;
7268         u8 *dpos;
7269         unsigned int i;
7270
7271         if (wpa_s->l2_test == NULL)
7272                 return -1;
7273
7274         /* format: <dst> <src> <tos> */
7275
7276         pos = cmd;
7277         used = hwaddr_aton2(pos, dst);
7278         if (used < 0)
7279                 return -1;
7280         pos += used;
7281         while (*pos == ' ')
7282                 pos++;
7283         used = hwaddr_aton2(pos, src);
7284         if (used < 0)
7285                 return -1;
7286         pos += used;
7287
7288         val = strtol(pos, NULL, 0);
7289         if (val < 0 || val > 0xff)
7290                 return -1;
7291         tos = val;
7292
7293         eth = (struct ether_header *) buf;
7294         os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
7295         os_memcpy(eth->ether_shost, src, ETH_ALEN);
7296         eth->ether_type = htons(ETHERTYPE_IP);
7297         ip = (struct iphdr *) (eth + 1);
7298         os_memset(ip, 0, sizeof(*ip));
7299         ip->ihl = 5;
7300         ip->version = 4;
7301         ip->ttl = 64;
7302         ip->tos = tos;
7303         ip->tot_len = htons(HWSIM_IP_LEN);
7304         ip->protocol = 1;
7305         ip->saddr = htonl(192 << 24 | 168 << 16 | 1 << 8 | 1);
7306         ip->daddr = htonl(192 << 24 | 168 << 16 | 1 << 8 | 2);
7307         ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
7308         dpos = (u8 *) (ip + 1);
7309         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
7310                 *dpos++ = i;
7311
7312         if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, buf,
7313                            HWSIM_PACKETLEN) < 0)
7314                 return -1;
7315
7316         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
7317                 " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
7318
7319         return 0;
7320 }
7321
7322
7323 static int wpas_ctrl_iface_data_test_frame(struct wpa_supplicant *wpa_s,
7324                                            char *cmd)
7325 {
7326         u8 *buf;
7327         struct ether_header *eth;
7328         struct l2_packet_data *l2 = NULL;
7329         size_t len;
7330         u16 ethertype;
7331         int res = -1;
7332
7333         len = os_strlen(cmd);
7334         if (len & 1 || len < ETH_HLEN * 2)
7335                 return -1;
7336         len /= 2;
7337
7338         buf = os_malloc(len);
7339         if (buf == NULL)
7340                 return -1;
7341
7342         if (hexstr2bin(cmd, buf, len) < 0)
7343                 goto done;
7344
7345         eth = (struct ether_header *) buf;
7346         ethertype = ntohs(eth->ether_type);
7347
7348         l2 = l2_packet_init(wpa_s->ifname, wpa_s->own_addr, ethertype,
7349                             wpas_data_test_rx, wpa_s, 1);
7350         if (l2 == NULL)
7351                 goto done;
7352
7353         res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
7354         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX frame res=%d", res);
7355 done:
7356         if (l2)
7357                 l2_packet_deinit(l2);
7358         os_free(buf);
7359
7360         return res < 0 ? -1 : 0;
7361 }
7362
7363
7364 static int wpas_ctrl_test_alloc_fail(struct wpa_supplicant *wpa_s, char *cmd)
7365 {
7366 #ifdef WPA_TRACE_BFD
7367         extern char wpa_trace_fail_func[256];
7368         extern unsigned int wpa_trace_fail_after;
7369         char *pos;
7370
7371         wpa_trace_fail_after = atoi(cmd);
7372         pos = os_strchr(cmd, ':');
7373         if (pos) {
7374                 pos++;
7375                 os_strlcpy(wpa_trace_fail_func, pos,
7376                            sizeof(wpa_trace_fail_func));
7377         } else {
7378                 wpa_trace_fail_after = 0;
7379         }
7380         return 0;
7381 #else /* WPA_TRACE_BFD */
7382         return -1;
7383 #endif /* WPA_TRACE_BFD */
7384 }
7385
7386
7387 static int wpas_ctrl_get_alloc_fail(struct wpa_supplicant *wpa_s,
7388                                     char *buf, size_t buflen)
7389 {
7390 #ifdef WPA_TRACE_BFD
7391         extern char wpa_trace_fail_func[256];
7392         extern unsigned int wpa_trace_fail_after;
7393
7394         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
7395                            wpa_trace_fail_func);
7396 #else /* WPA_TRACE_BFD */
7397         return -1;
7398 #endif /* WPA_TRACE_BFD */
7399 }
7400
7401 #endif /* CONFIG_TESTING_OPTIONS */
7402
7403
7404 static void wpas_ctrl_vendor_elem_update(struct wpa_supplicant *wpa_s)
7405 {
7406         unsigned int i;
7407         char buf[30];
7408
7409         wpa_printf(MSG_DEBUG, "Update vendor elements");
7410
7411         for (i = 0; i < NUM_VENDOR_ELEM_FRAMES; i++) {
7412                 if (wpa_s->vendor_elem[i]) {
7413                         int res;
7414
7415                         res = os_snprintf(buf, sizeof(buf), "frame[%u]", i);
7416                         if (!os_snprintf_error(sizeof(buf), res)) {
7417                                 wpa_hexdump_buf(MSG_DEBUG, buf,
7418                                                 wpa_s->vendor_elem[i]);
7419                         }
7420                 }
7421         }
7422
7423 #ifdef CONFIG_P2P
7424         if (wpa_s->parent == wpa_s &&
7425             wpa_s->global->p2p &&
7426             !wpa_s->global->p2p_disabled)
7427                 p2p_set_vendor_elems(wpa_s->global->p2p, wpa_s->vendor_elem);
7428 #endif /* CONFIG_P2P */
7429 }
7430
7431
7432 static struct wpa_supplicant *
7433 wpas_ctrl_vendor_elem_iface(struct wpa_supplicant *wpa_s,
7434                             enum wpa_vendor_elem_frame frame)
7435 {
7436         switch (frame) {
7437 #ifdef CONFIG_P2P
7438         case VENDOR_ELEM_PROBE_REQ_P2P:
7439         case VENDOR_ELEM_PROBE_RESP_P2P:
7440         case VENDOR_ELEM_PROBE_RESP_P2P_GO:
7441         case VENDOR_ELEM_BEACON_P2P_GO:
7442         case VENDOR_ELEM_P2P_PD_REQ:
7443         case VENDOR_ELEM_P2P_PD_RESP:
7444         case VENDOR_ELEM_P2P_GO_NEG_REQ:
7445         case VENDOR_ELEM_P2P_GO_NEG_RESP:
7446         case VENDOR_ELEM_P2P_GO_NEG_CONF:
7447         case VENDOR_ELEM_P2P_INV_REQ:
7448         case VENDOR_ELEM_P2P_INV_RESP:
7449         case VENDOR_ELEM_P2P_ASSOC_REQ:
7450                 return wpa_s->parent;
7451 #endif /* CONFIG_P2P */
7452         default:
7453                 return wpa_s;
7454         }
7455 }
7456
7457
7458 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
7459 {
7460         char *pos = cmd;
7461         int frame;
7462         size_t len;
7463         struct wpabuf *buf;
7464         struct ieee802_11_elems elems;
7465
7466         frame = atoi(pos);
7467         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7468                 return -1;
7469         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7470
7471         pos = os_strchr(pos, ' ');
7472         if (pos == NULL)
7473                 return -1;
7474         pos++;
7475
7476         len = os_strlen(pos);
7477         if (len == 0)
7478                 return 0;
7479         if (len & 1)
7480                 return -1;
7481         len /= 2;
7482
7483         buf = wpabuf_alloc(len);
7484         if (buf == NULL)
7485                 return -1;
7486
7487         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
7488                 wpabuf_free(buf);
7489                 return -1;
7490         }
7491
7492         if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
7493             ParseFailed) {
7494                 wpabuf_free(buf);
7495                 return -1;
7496         }
7497
7498         if (wpa_s->vendor_elem[frame] == NULL) {
7499                 wpa_s->vendor_elem[frame] = buf;
7500                 wpas_ctrl_vendor_elem_update(wpa_s);
7501                 return 0;
7502         }
7503
7504         if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
7505                 wpabuf_free(buf);
7506                 return -1;
7507         }
7508
7509         wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
7510         wpabuf_free(buf);
7511         wpas_ctrl_vendor_elem_update(wpa_s);
7512
7513         return 0;
7514 }
7515
7516
7517 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
7518                                      char *buf, size_t buflen)
7519 {
7520         int frame = atoi(cmd);
7521
7522         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7523                 return -1;
7524         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7525
7526         if (wpa_s->vendor_elem[frame] == NULL)
7527                 return 0;
7528
7529         return wpa_snprintf_hex(buf, buflen,
7530                                 wpabuf_head_u8(wpa_s->vendor_elem[frame]),
7531                                 wpabuf_len(wpa_s->vendor_elem[frame]));
7532 }
7533
7534
7535 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
7536 {
7537         char *pos = cmd;
7538         int frame;
7539         size_t len;
7540         u8 *buf;
7541         struct ieee802_11_elems elems;
7542         u8 *ie, *end;
7543
7544         frame = atoi(pos);
7545         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7546                 return -1;
7547         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7548
7549         pos = os_strchr(pos, ' ');
7550         if (pos == NULL)
7551                 return -1;
7552         pos++;
7553
7554         if (*pos == '*') {
7555                 wpabuf_free(wpa_s->vendor_elem[frame]);
7556                 wpa_s->vendor_elem[frame] = NULL;
7557                 wpas_ctrl_vendor_elem_update(wpa_s);
7558                 return 0;
7559         }
7560
7561         if (wpa_s->vendor_elem[frame] == NULL)
7562                 return -1;
7563
7564         len = os_strlen(pos);
7565         if (len == 0)
7566                 return 0;
7567         if (len & 1)
7568                 return -1;
7569         len /= 2;
7570
7571         buf = os_malloc(len);
7572         if (buf == NULL)
7573                 return -1;
7574
7575         if (hexstr2bin(pos, buf, len) < 0) {
7576                 os_free(buf);
7577                 return -1;
7578         }
7579
7580         if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
7581                 os_free(buf);
7582                 return -1;
7583         }
7584
7585         ie = wpabuf_mhead_u8(wpa_s->vendor_elem[frame]);
7586         end = ie + wpabuf_len(wpa_s->vendor_elem[frame]);
7587
7588         for (; ie + 1 < end; ie += 2 + ie[1]) {
7589                 if (ie + len > end)
7590                         break;
7591                 if (os_memcmp(ie, buf, len) != 0)
7592                         continue;
7593
7594                 if (wpabuf_len(wpa_s->vendor_elem[frame]) == len) {
7595                         wpabuf_free(wpa_s->vendor_elem[frame]);
7596                         wpa_s->vendor_elem[frame] = NULL;
7597                 } else {
7598                         os_memmove(ie, ie + len,
7599                                    end - (ie + len));
7600                         wpa_s->vendor_elem[frame]->used -= len;
7601                 }
7602                 os_free(buf);
7603                 wpas_ctrl_vendor_elem_update(wpa_s);
7604                 return 0;
7605         }
7606
7607         os_free(buf);
7608
7609         return -1;
7610 }
7611
7612
7613 static void wpas_ctrl_neighbor_rep_cb(void *ctx, struct wpabuf *neighbor_rep)
7614 {
7615         struct wpa_supplicant *wpa_s = ctx;
7616
7617         if (neighbor_rep) {
7618                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_RXED
7619                              "length=%u",
7620                              (unsigned int) wpabuf_len(neighbor_rep));
7621                 wpabuf_free(neighbor_rep);
7622         } else {
7623                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_FAILED);
7624         }
7625 }
7626
7627
7628 static int wpas_ctrl_iface_send_neigbor_rep(struct wpa_supplicant *wpa_s,
7629                                             char *cmd)
7630 {
7631         struct wpa_ssid ssid;
7632         struct wpa_ssid *ssid_p = NULL;
7633         int ret = 0;
7634
7635         if (os_strncmp(cmd, " ssid=", 6) == 0) {
7636                 ssid.ssid_len = os_strlen(cmd + 6);
7637                 if (ssid.ssid_len > 32)
7638                         return -1;
7639                 ssid.ssid = (u8 *) (cmd + 6);
7640                 ssid_p = &ssid;
7641         }
7642
7643         ret = wpas_rrm_send_neighbor_rep_request(wpa_s, ssid_p,
7644                                                  wpas_ctrl_neighbor_rep_cb,
7645                                                  wpa_s);
7646
7647         return ret;
7648 }
7649
7650
7651 static int wpas_ctrl_iface_erp_flush(struct wpa_supplicant *wpa_s)
7652 {
7653         eapol_sm_erp_flush(wpa_s->eapol);
7654         return 0;
7655 }
7656
7657
7658 static int wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant *wpa_s,
7659                                          char *cmd)
7660 {
7661         char *token, *context = NULL;
7662         unsigned int enable = ~0, type = 0;
7663         u8 _addr[ETH_ALEN], _mask[ETH_ALEN];
7664         u8 *addr = NULL, *mask = NULL;
7665
7666         while ((token = str_token(cmd, " ", &context))) {
7667                 if (os_strcasecmp(token, "scan") == 0) {
7668                         type |= MAC_ADDR_RAND_SCAN;
7669                 } else if (os_strcasecmp(token, "sched") == 0) {
7670                         type |= MAC_ADDR_RAND_SCHED_SCAN;
7671                 } else if (os_strcasecmp(token, "pno") == 0) {
7672                         type |= MAC_ADDR_RAND_PNO;
7673                 } else if (os_strcasecmp(token, "all") == 0) {
7674                         type = wpa_s->mac_addr_rand_supported;
7675                 } else if (os_strncasecmp(token, "enable=", 7) == 0) {
7676                         enable = atoi(token + 7);
7677                 } else if (os_strncasecmp(token, "addr=", 5) == 0) {
7678                         addr = _addr;
7679                         if (hwaddr_aton(token + 5, addr)) {
7680                                 wpa_printf(MSG_INFO,
7681                                            "CTRL: Invalid MAC address: %s",
7682                                            token);
7683                                 return -1;
7684                         }
7685                 } else if (os_strncasecmp(token, "mask=", 5) == 0) {
7686                         mask = _mask;
7687                         if (hwaddr_aton(token + 5, mask)) {
7688                                 wpa_printf(MSG_INFO,
7689                                            "CTRL: Invalid MAC address mask: %s",
7690                                            token);
7691                                 return -1;
7692                         }
7693                 } else {
7694                         wpa_printf(MSG_INFO,
7695                                    "CTRL: Invalid MAC_RAND_SCAN parameter: %s",
7696                                    token);
7697                         return -1;
7698                 }
7699         }
7700
7701         if (!type) {
7702                 wpa_printf(MSG_INFO, "CTRL: MAC_RAND_SCAN no type specified");
7703                 return -1;
7704         }
7705
7706         if ((wpa_s->mac_addr_rand_supported & type) != type) {
7707                 wpa_printf(MSG_INFO,
7708                            "CTRL: MAC_RAND_SCAN types=%u != supported=%u",
7709                            type, wpa_s->mac_addr_rand_supported);
7710                 return -1;
7711         }
7712
7713         if (enable > 1) {
7714                 wpa_printf(MSG_INFO,
7715                            "CTRL: MAC_RAND_SCAN enable=<0/1> not specified");
7716                 return -1;
7717         }
7718
7719         if (!enable) {
7720                 wpas_mac_addr_rand_scan_clear(wpa_s, type);
7721                 if (wpa_s->pno) {
7722                         if (type & MAC_ADDR_RAND_PNO) {
7723                                 wpas_stop_pno(wpa_s);
7724                                 wpas_start_pno(wpa_s);
7725                         }
7726                 } else if (wpa_s->sched_scanning &&
7727                            (type & MAC_ADDR_RAND_SCHED_SCAN)) {
7728                         /* simulate timeout to restart the sched scan */
7729                         wpa_s->sched_scan_timed_out = 1;
7730                         wpa_s->prev_sched_ssid = NULL;
7731                         wpa_supplicant_cancel_sched_scan(wpa_s);
7732                 }
7733                 return 0;
7734         }
7735
7736         if ((addr && !mask) || (!addr && mask)) {
7737                 wpa_printf(MSG_INFO,
7738                            "CTRL: MAC_RAND_SCAN invalid addr/mask combination");
7739                 return -1;
7740         }
7741
7742         if (addr && mask && (!(mask[0] & 0x01) || (addr[0] & 0x01))) {
7743                 wpa_printf(MSG_INFO,
7744                            "CTRL: MAC_RAND_SCAN cannot allow multicast address");
7745                 return -1;
7746         }
7747
7748         if (type & MAC_ADDR_RAND_SCAN) {
7749                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCAN,
7750                                             addr, mask);
7751         }
7752
7753         if (type & MAC_ADDR_RAND_SCHED_SCAN) {
7754                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCHED_SCAN,
7755                                             addr, mask);
7756
7757                 if (wpa_s->sched_scanning && !wpa_s->pno) {
7758                         /* simulate timeout to restart the sched scan */
7759                         wpa_s->sched_scan_timed_out = 1;
7760                         wpa_s->prev_sched_ssid = NULL;
7761                         wpa_supplicant_cancel_sched_scan(wpa_s);
7762                 }
7763         }
7764
7765         if (type & MAC_ADDR_RAND_PNO) {
7766                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_PNO,
7767                                             addr, mask);
7768                 if (wpa_s->pno) {
7769                         wpas_stop_pno(wpa_s);
7770                         wpas_start_pno(wpa_s);
7771                 }
7772         }
7773
7774         return 0;
7775 }
7776
7777
7778 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
7779                                          char *buf, size_t *resp_len)
7780 {
7781         char *reply;
7782         const int reply_size = 4096;
7783         int reply_len;
7784
7785         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
7786             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
7787                 if (wpa_debug_show_keys)
7788                         wpa_dbg(wpa_s, MSG_DEBUG,
7789                                 "Control interface command '%s'", buf);
7790                 else
7791                         wpa_dbg(wpa_s, MSG_DEBUG,
7792                                 "Control interface command '%s [REMOVED]'",
7793                                 os_strncmp(buf, WPA_CTRL_RSP,
7794                                            os_strlen(WPA_CTRL_RSP)) == 0 ?
7795                                 WPA_CTRL_RSP : "SET_NETWORK");
7796         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
7797                    os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
7798                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
7799                                       (const u8 *) buf, os_strlen(buf));
7800         } else {
7801                 int level = MSG_DEBUG;
7802                 if (os_strcmp(buf, "PING") == 0)
7803                         level = MSG_EXCESSIVE;
7804                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
7805         }
7806
7807         reply = os_malloc(reply_size);
7808         if (reply == NULL) {
7809                 *resp_len = 1;
7810                 return NULL;
7811         }
7812
7813         os_memcpy(reply, "OK\n", 3);
7814         reply_len = 3;
7815
7816         if (os_strcmp(buf, "PING") == 0) {
7817                 os_memcpy(reply, "PONG\n", 5);
7818                 reply_len = 5;
7819         } else if (os_strcmp(buf, "IFNAME") == 0) {
7820                 reply_len = os_strlen(wpa_s->ifname);
7821                 os_memcpy(reply, wpa_s->ifname, reply_len);
7822         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
7823                 if (wpa_debug_reopen_file() < 0)
7824                         reply_len = -1;
7825         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
7826                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
7827         } else if (os_strcmp(buf, "MIB") == 0) {
7828                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
7829                 if (reply_len >= 0) {
7830                         reply_len += eapol_sm_get_mib(wpa_s->eapol,
7831                                                       reply + reply_len,
7832                                                       reply_size - reply_len);
7833                 }
7834         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
7835                 reply_len = wpa_supplicant_ctrl_iface_status(
7836                         wpa_s, buf + 6, reply, reply_size);
7837         } else if (os_strcmp(buf, "PMKSA") == 0) {
7838                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
7839                                                     reply_size);
7840         } else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
7841                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
7842         } else if (os_strncmp(buf, "SET ", 4) == 0) {
7843                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
7844                         reply_len = -1;
7845         } else if (os_strncmp(buf, "DUMP", 4) == 0) {
7846                 reply_len = wpa_config_dump_values(wpa_s->conf,
7847                                                    reply, reply_size);
7848         } else if (os_strncmp(buf, "GET ", 4) == 0) {
7849                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
7850                                                           reply, reply_size);
7851         } else if (os_strcmp(buf, "LOGON") == 0) {
7852                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
7853         } else if (os_strcmp(buf, "LOGOFF") == 0) {
7854                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
7855         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
7856                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
7857                         reply_len = -1;
7858                 else
7859                         wpas_request_connection(wpa_s);
7860         } else if (os_strcmp(buf, "REATTACH") == 0) {
7861                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
7862                     !wpa_s->current_ssid)
7863                         reply_len = -1;
7864                 else {
7865                         wpa_s->reattach = 1;
7866                         wpas_request_connection(wpa_s);
7867                 }
7868         } else if (os_strcmp(buf, "RECONNECT") == 0) {
7869                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
7870                         reply_len = -1;
7871                 else if (wpa_s->disconnected)
7872                         wpas_request_connection(wpa_s);
7873 #ifdef IEEE8021X_EAPOL
7874         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
7875                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
7876                         reply_len = -1;
7877 #endif /* IEEE8021X_EAPOL */
7878 #ifdef CONFIG_PEERKEY
7879         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
7880                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
7881                         reply_len = -1;
7882 #endif /* CONFIG_PEERKEY */
7883 #ifdef CONFIG_IEEE80211R
7884         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
7885                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
7886                         reply_len = -1;
7887 #endif /* CONFIG_IEEE80211R */
7888 #ifdef CONFIG_WPS
7889         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
7890                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
7891                 if (res == -2) {
7892                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
7893                         reply_len = 17;
7894                 } else if (res)
7895                         reply_len = -1;
7896         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
7897                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
7898                 if (res == -2) {
7899                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
7900                         reply_len = 17;
7901                 } else if (res)
7902                         reply_len = -1;
7903         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
7904                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
7905                                                               reply,
7906                                                               reply_size);
7907         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
7908                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
7909                         wpa_s, buf + 14, reply, reply_size);
7910         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
7911                 if (wpas_wps_cancel(wpa_s))
7912                         reply_len = -1;
7913 #ifdef CONFIG_WPS_NFC
7914         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
7915                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
7916                         reply_len = -1;
7917         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
7918                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
7919                         reply_len = -1;
7920         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
7921                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
7922                         wpa_s, buf + 21, reply, reply_size);
7923         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
7924                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
7925                         wpa_s, buf + 14, reply, reply_size);
7926         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
7927                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
7928                                                                buf + 17))
7929                         reply_len = -1;
7930         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
7931                 reply_len = wpas_ctrl_nfc_get_handover_req(
7932                         wpa_s, buf + 21, reply, reply_size);
7933         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
7934                 reply_len = wpas_ctrl_nfc_get_handover_sel(
7935                         wpa_s, buf + 21, reply, reply_size);
7936         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
7937                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
7938                         reply_len = -1;
7939 #endif /* CONFIG_WPS_NFC */
7940         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
7941                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
7942                         reply_len = -1;
7943 #ifdef CONFIG_AP
7944         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
7945                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
7946                         wpa_s, buf + 11, reply, reply_size);
7947 #endif /* CONFIG_AP */
7948 #ifdef CONFIG_WPS_ER
7949         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
7950                 if (wpas_wps_er_start(wpa_s, NULL))
7951                         reply_len = -1;
7952         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
7953                 if (wpas_wps_er_start(wpa_s, buf + 13))
7954                         reply_len = -1;
7955         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
7956                 wpas_wps_er_stop(wpa_s);
7957         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
7958                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
7959                         reply_len = -1;
7960         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
7961                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
7962                 if (ret == -2) {
7963                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
7964                         reply_len = 17;
7965                 } else if (ret == -3) {
7966                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
7967                         reply_len = 18;
7968                 } else if (ret == -4) {
7969                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
7970                         reply_len = 20;
7971                 } else if (ret)
7972                         reply_len = -1;
7973         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
7974                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
7975                         reply_len = -1;
7976         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
7977                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
7978                                                                 buf + 18))
7979                         reply_len = -1;
7980         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
7981                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
7982                         reply_len = -1;
7983 #ifdef CONFIG_WPS_NFC
7984         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
7985                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
7986                         wpa_s, buf + 24, reply, reply_size);
7987 #endif /* CONFIG_WPS_NFC */
7988 #endif /* CONFIG_WPS_ER */
7989 #endif /* CONFIG_WPS */
7990 #ifdef CONFIG_IBSS_RSN
7991         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
7992                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
7993                         reply_len = -1;
7994 #endif /* CONFIG_IBSS_RSN */
7995 #ifdef CONFIG_MESH
7996         } else if (os_strncmp(buf, "MESH_INTERFACE_ADD ", 19) == 0) {
7997                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
7998                         wpa_s, buf + 19, reply, reply_size);
7999         } else if (os_strcmp(buf, "MESH_INTERFACE_ADD") == 0) {
8000                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8001                         wpa_s, "", reply, reply_size);
8002         } else if (os_strncmp(buf, "MESH_GROUP_ADD ", 15) == 0) {
8003                 if (wpa_supplicant_ctrl_iface_mesh_group_add(wpa_s, buf + 15))
8004                         reply_len = -1;
8005         } else if (os_strncmp(buf, "MESH_GROUP_REMOVE ", 18) == 0) {
8006                 if (wpa_supplicant_ctrl_iface_mesh_group_remove(wpa_s,
8007                                                                 buf + 18))
8008                         reply_len = -1;
8009 #endif /* CONFIG_MESH */
8010 #ifdef CONFIG_P2P
8011         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
8012                 if (p2p_ctrl_find(wpa_s, buf + 8))
8013                         reply_len = -1;
8014         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
8015                 if (p2p_ctrl_find(wpa_s, ""))
8016                         reply_len = -1;
8017         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
8018                 wpas_p2p_stop_find(wpa_s);
8019         } else if (os_strncmp(buf, "P2P_ASP_PROVISION ", 18) == 0) {
8020                 if (p2p_ctrl_asp_provision(wpa_s, buf + 18))
8021                         reply_len = -1;
8022         } else if (os_strncmp(buf, "P2P_ASP_PROVISION_RESP ", 23) == 0) {
8023                 if (p2p_ctrl_asp_provision_resp(wpa_s, buf + 23))
8024                         reply_len = -1;
8025         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
8026                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
8027                                              reply_size);
8028         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
8029                 if (p2p_ctrl_listen(wpa_s, buf + 11))
8030                         reply_len = -1;
8031         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
8032                 if (p2p_ctrl_listen(wpa_s, ""))
8033                         reply_len = -1;
8034         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
8035                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
8036                         reply_len = -1;
8037         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
8038                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0, 0))
8039                         reply_len = -1;
8040         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
8041                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
8042                         reply_len = -1;
8043         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
8044                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
8045                         reply_len = -1;
8046         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
8047                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
8048         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
8049                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
8050                                                    reply_size);
8051         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
8052                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
8053                         reply_len = -1;
8054         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
8055                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
8056                         reply_len = -1;
8057         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
8058                 wpas_p2p_sd_service_update(wpa_s);
8059         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
8060                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
8061                         reply_len = -1;
8062         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
8063                 wpas_p2p_service_flush(wpa_s);
8064         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
8065                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
8066                         reply_len = -1;
8067         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
8068                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
8069                         reply_len = -1;
8070         } else if (os_strncmp(buf, "P2P_SERVICE_REP ", 16) == 0) {
8071                 if (p2p_ctrl_service_replace(wpa_s, buf + 16) < 0)
8072                         reply_len = -1;
8073         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
8074                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
8075                         reply_len = -1;
8076         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
8077                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
8078                         reply_len = -1;
8079         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
8080                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
8081                                               reply_size);
8082         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
8083                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
8084                         reply_len = -1;
8085         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
8086                 p2p_ctrl_flush(wpa_s);
8087         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
8088                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
8089                         reply_len = -1;
8090         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
8091                 if (wpas_p2p_cancel(wpa_s))
8092                         reply_len = -1;
8093         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
8094                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
8095                         reply_len = -1;
8096         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
8097                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
8098                         reply_len = -1;
8099         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
8100                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
8101                         reply_len = -1;
8102         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
8103                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
8104                         reply_len = -1;
8105         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
8106                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
8107                         reply_len = -1;
8108 #endif /* CONFIG_P2P */
8109 #ifdef CONFIG_WIFI_DISPLAY
8110         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
8111                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
8112                         reply_len = -1;
8113         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
8114                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
8115                                                      reply, reply_size);
8116 #endif /* CONFIG_WIFI_DISPLAY */
8117 #ifdef CONFIG_INTERWORKING
8118         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
8119                 if (interworking_fetch_anqp(wpa_s) < 0)
8120                         reply_len = -1;
8121         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
8122                 interworking_stop_fetch_anqp(wpa_s);
8123         } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
8124                 if (ctrl_interworking_select(wpa_s, NULL) < 0)
8125                         reply_len = -1;
8126         } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
8127                 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
8128                         reply_len = -1;
8129         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
8130                 if (ctrl_interworking_connect(wpa_s, buf + 21, 0) < 0)
8131                         reply_len = -1;
8132         } else if (os_strncmp(buf, "INTERWORKING_ADD_NETWORK ", 25) == 0) {
8133                 int id;
8134
8135                 id = ctrl_interworking_connect(wpa_s, buf + 25, 1);
8136                 if (id < 0)
8137                         reply_len = -1;
8138                 else {
8139                         reply_len = os_snprintf(reply, reply_size, "%d\n", id);
8140                         if (os_snprintf_error(reply_size, reply_len))
8141                                 reply_len = -1;
8142                 }
8143         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
8144                 if (get_anqp(wpa_s, buf + 9) < 0)
8145                         reply_len = -1;
8146         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
8147                 if (gas_request(wpa_s, buf + 12) < 0)
8148                         reply_len = -1;
8149         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
8150                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
8151                                              reply_size);
8152 #endif /* CONFIG_INTERWORKING */
8153 #ifdef CONFIG_HS20
8154         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
8155                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
8156                         reply_len = -1;
8157         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
8158                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
8159                         reply_len = -1;
8160         } else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
8161                 if (hs20_icon_request(wpa_s, buf + 18) < 0)
8162                         reply_len = -1;
8163         } else if (os_strcmp(buf, "FETCH_OSU") == 0) {
8164                 if (hs20_fetch_osu(wpa_s) < 0)
8165                         reply_len = -1;
8166         } else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
8167                 hs20_cancel_fetch_osu(wpa_s);
8168 #endif /* CONFIG_HS20 */
8169         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
8170         {
8171                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
8172                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
8173                         reply_len = -1;
8174                 else {
8175                         /*
8176                          * Notify response from timeout to allow the control
8177                          * interface response to be sent first.
8178                          */
8179                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
8180                                                wpa_s, NULL);
8181                 }
8182         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
8183                 if (wpa_supplicant_reload_configuration(wpa_s))
8184                         reply_len = -1;
8185         } else if (os_strcmp(buf, "TERMINATE") == 0) {
8186                 wpa_supplicant_terminate_proc(wpa_s->global);
8187         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
8188                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
8189                         reply_len = -1;
8190         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
8191                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
8192                         wpa_s, buf + 9, reply, reply_size);
8193         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
8194                 reply_len = wpa_supplicant_ctrl_iface_log_level(
8195                         wpa_s, buf + 9, reply, reply_size);
8196         } else if (os_strncmp(buf, "LIST_NETWORKS ", 14) == 0) {
8197                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8198                         wpa_s, buf + 14, reply, reply_size);
8199         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
8200                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8201                         wpa_s, NULL, reply, reply_size);
8202         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
8203 #ifdef CONFIG_SME
8204                 wpa_s->sme.prev_bssid_set = 0;
8205 #endif /* CONFIG_SME */
8206                 wpa_s->reassociate = 0;
8207                 wpa_s->disconnected = 1;
8208                 wpa_supplicant_cancel_sched_scan(wpa_s);
8209                 wpa_supplicant_cancel_scan(wpa_s);
8210                 wpa_supplicant_deauthenticate(wpa_s,
8211                                               WLAN_REASON_DEAUTH_LEAVING);
8212         } else if (os_strcmp(buf, "SCAN") == 0) {
8213                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
8214         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
8215                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
8216         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
8217                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
8218                         wpa_s, reply, reply_size);
8219         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
8220                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
8221                         reply_len = -1;
8222         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
8223                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
8224                         reply_len = -1;
8225         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
8226                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
8227                         reply_len = -1;
8228         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
8229                 reply_len = wpa_supplicant_ctrl_iface_add_network(
8230                         wpa_s, reply, reply_size);
8231         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
8232                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
8233                         reply_len = -1;
8234         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8235                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
8236                         reply_len = -1;
8237         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
8238                 reply_len = wpa_supplicant_ctrl_iface_get_network(
8239                         wpa_s, buf + 12, reply, reply_size);
8240         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
8241                 if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12))
8242                         reply_len = -1;
8243         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
8244                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
8245                         wpa_s, reply, reply_size);
8246         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
8247                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
8248                         wpa_s, reply, reply_size);
8249         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
8250                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
8251                         reply_len = -1;
8252         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
8253                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
8254                         reply_len = -1;
8255         } else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
8256                 reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
8257                                                                reply,
8258                                                                reply_size);
8259 #ifndef CONFIG_NO_CONFIG_WRITE
8260         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
8261                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
8262                         reply_len = -1;
8263 #endif /* CONFIG_NO_CONFIG_WRITE */
8264         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
8265                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
8266                         wpa_s, buf + 15, reply, reply_size);
8267         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
8268                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
8269                         reply_len = -1;
8270         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
8271                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
8272                         reply_len = -1;
8273         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
8274                 reply_len = wpa_supplicant_global_iface_list(
8275                         wpa_s->global, reply, reply_size);
8276         } else if (os_strcmp(buf, "INTERFACES") == 0) {
8277                 reply_len = wpa_supplicant_global_iface_interfaces(
8278                         wpa_s->global, reply, reply_size);
8279         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
8280                 reply_len = wpa_supplicant_ctrl_iface_bss(
8281                         wpa_s, buf + 4, reply, reply_size);
8282 #ifdef CONFIG_AP
8283         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
8284                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
8285         } else if (os_strncmp(buf, "STA ", 4) == 0) {
8286                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
8287                                               reply_size);
8288         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
8289                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
8290                                                    reply_size);
8291         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
8292                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
8293                         reply_len = -1;
8294         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
8295                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
8296                         reply_len = -1;
8297         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
8298                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
8299                         reply_len = -1;
8300         } else if (os_strcmp(buf, "STOP_AP") == 0) {
8301                 if (wpas_ap_stop_ap(wpa_s))
8302                         reply_len = -1;
8303 #endif /* CONFIG_AP */
8304         } else if (os_strcmp(buf, "SUSPEND") == 0) {
8305                 wpas_notify_suspend(wpa_s->global);
8306         } else if (os_strcmp(buf, "RESUME") == 0) {
8307                 wpas_notify_resume(wpa_s->global);
8308 #ifdef CONFIG_TESTING_OPTIONS
8309         } else if (os_strcmp(buf, "DROP_SA") == 0) {
8310                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
8311 #endif /* CONFIG_TESTING_OPTIONS */
8312         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
8313                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
8314                         reply_len = -1;
8315         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
8316                 wpa_s->auto_reconnect_disabled = atoi(buf + 16) == 0;
8317         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
8318                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
8319                         reply_len = -1;
8320         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
8321                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
8322                                                                buf + 17))
8323                         reply_len = -1;
8324         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
8325                 wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10);
8326 #ifdef CONFIG_TDLS
8327         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
8328                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
8329                         reply_len = -1;
8330         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
8331                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
8332                         reply_len = -1;
8333         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
8334                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
8335                         reply_len = -1;
8336         } else if (os_strncmp(buf, "TDLS_CHAN_SWITCH ", 17) == 0) {
8337                 if (wpa_supplicant_ctrl_iface_tdls_chan_switch(wpa_s,
8338                                                                buf + 17))
8339                         reply_len = -1;
8340         } else if (os_strncmp(buf, "TDLS_CANCEL_CHAN_SWITCH ", 24) == 0) {
8341                 if (wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(wpa_s,
8342                                                                       buf + 24))
8343                         reply_len = -1;
8344 #endif /* CONFIG_TDLS */
8345         } else if (os_strcmp(buf, "WMM_AC_STATUS") == 0) {
8346                 reply_len = wpas_wmm_ac_status(wpa_s, reply, reply_size);
8347         } else if (os_strncmp(buf, "WMM_AC_ADDTS ", 13) == 0) {
8348                 if (wmm_ac_ctrl_addts(wpa_s, buf + 13))
8349                         reply_len = -1;
8350         } else if (os_strncmp(buf, "WMM_AC_DELTS ", 13) == 0) {
8351                 if (wmm_ac_ctrl_delts(wpa_s, buf + 13))
8352                         reply_len = -1;
8353         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
8354                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
8355                                                        reply_size);
8356         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
8357                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
8358                                                        reply_size);
8359 #ifdef CONFIG_AUTOSCAN
8360         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
8361                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
8362                         reply_len = -1;
8363 #endif /* CONFIG_AUTOSCAN */
8364 #ifdef ANDROID
8365         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
8366                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
8367                                                       reply_size);
8368 #endif /* ANDROID */
8369         } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
8370                 reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
8371                                                       reply_size);
8372         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
8373                 pmksa_cache_clear_current(wpa_s->wpa);
8374                 eapol_sm_request_reauth(wpa_s->eapol);
8375 #ifdef CONFIG_WNM
8376         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
8377                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
8378                         reply_len = -1;
8379         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 14) == 0) {
8380                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 14))
8381                                 reply_len = -1;
8382 #endif /* CONFIG_WNM */
8383         } else if (os_strcmp(buf, "FLUSH") == 0) {
8384                 wpa_supplicant_ctrl_iface_flush(wpa_s);
8385         } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
8386                 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
8387                                                  reply_size);
8388 #ifdef CONFIG_TESTING_OPTIONS
8389         } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
8390                 if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
8391                         reply_len = -1;
8392         } else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
8393                 wpas_ctrl_iface_mgmt_tx_done(wpa_s);
8394         } else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
8395                 if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
8396                         reply_len = -1;
8397         } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
8398                 if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
8399                         reply_len = -1;
8400         } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
8401                 if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
8402                         reply_len = -1;
8403         } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
8404                 if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
8405                         reply_len = -1;
8406         } else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
8407                 if (wpas_ctrl_iface_data_test_frame(wpa_s, buf + 16) < 0)
8408                         reply_len = -1;
8409         } else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) {
8410                 if (wpas_ctrl_test_alloc_fail(wpa_s, buf + 16) < 0)
8411                         reply_len = -1;
8412         } else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) {
8413                 reply_len = wpas_ctrl_get_alloc_fail(wpa_s, reply, reply_size);
8414 #endif /* CONFIG_TESTING_OPTIONS */
8415         } else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
8416                 if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
8417                         reply_len = -1;
8418         } else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
8419                 reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
8420                                                       reply_size);
8421         } else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
8422                 if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
8423                         reply_len = -1;
8424         } else if (os_strncmp(buf, "NEIGHBOR_REP_REQUEST", 20) == 0) {
8425                 if (wpas_ctrl_iface_send_neigbor_rep(wpa_s, buf + 20))
8426                         reply_len = -1;
8427         } else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
8428                 wpas_ctrl_iface_erp_flush(wpa_s);
8429         } else if (os_strncmp(buf, "MAC_RAND_SCAN ", 14) == 0) {
8430                 if (wpas_ctrl_iface_mac_rand_scan(wpa_s, buf + 14))
8431                         reply_len = -1;
8432         } else {
8433                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
8434                 reply_len = 16;
8435         }
8436
8437         if (reply_len < 0) {
8438                 os_memcpy(reply, "FAIL\n", 5);
8439                 reply_len = 5;
8440         }
8441
8442         *resp_len = reply_len;
8443         return reply;
8444 }
8445
8446
8447 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
8448                                            char *cmd)
8449 {
8450         struct wpa_interface iface;
8451         char *pos;
8452
8453         /*
8454          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
8455          * TAB<bridge_ifname>
8456          */
8457         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
8458
8459         os_memset(&iface, 0, sizeof(iface));
8460
8461         do {
8462                 iface.ifname = pos = cmd;
8463                 pos = os_strchr(pos, '\t');
8464                 if (pos)
8465                         *pos++ = '\0';
8466                 if (iface.ifname[0] == '\0')
8467                         return -1;
8468                 if (pos == NULL)
8469                         break;
8470
8471                 iface.confname = pos;
8472                 pos = os_strchr(pos, '\t');
8473                 if (pos)
8474                         *pos++ = '\0';
8475                 if (iface.confname[0] == '\0')
8476                         iface.confname = NULL;
8477                 if (pos == NULL)
8478                         break;
8479
8480                 iface.driver = pos;
8481                 pos = os_strchr(pos, '\t');
8482                 if (pos)
8483                         *pos++ = '\0';
8484                 if (iface.driver[0] == '\0')
8485                         iface.driver = NULL;
8486                 if (pos == NULL)
8487                         break;
8488
8489                 iface.ctrl_interface = pos;
8490                 pos = os_strchr(pos, '\t');
8491                 if (pos)
8492                         *pos++ = '\0';
8493                 if (iface.ctrl_interface[0] == '\0')
8494                         iface.ctrl_interface = NULL;
8495                 if (pos == NULL)
8496                         break;
8497
8498                 iface.driver_param = pos;
8499                 pos = os_strchr(pos, '\t');
8500                 if (pos)
8501                         *pos++ = '\0';
8502                 if (iface.driver_param[0] == '\0')
8503                         iface.driver_param = NULL;
8504                 if (pos == NULL)
8505                         break;
8506
8507                 iface.bridge_ifname = pos;
8508                 pos = os_strchr(pos, '\t');
8509                 if (pos)
8510                         *pos++ = '\0';
8511                 if (iface.bridge_ifname[0] == '\0')
8512                         iface.bridge_ifname = NULL;
8513                 if (pos == NULL)
8514                         break;
8515         } while (0);
8516
8517         if (wpa_supplicant_get_iface(global, iface.ifname))
8518                 return -1;
8519
8520         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
8521 }
8522
8523
8524 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
8525                                               char *cmd)
8526 {
8527         struct wpa_supplicant *wpa_s;
8528
8529         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
8530
8531         wpa_s = wpa_supplicant_get_iface(global, cmd);
8532         if (wpa_s == NULL)
8533                 return -1;
8534         return wpa_supplicant_remove_iface(global, wpa_s, 0);
8535 }
8536
8537
8538 static void wpa_free_iface_info(struct wpa_interface_info *iface)
8539 {
8540         struct wpa_interface_info *prev;
8541
8542         while (iface) {
8543                 prev = iface;
8544                 iface = iface->next;
8545
8546                 os_free(prev->ifname);
8547                 os_free(prev->desc);
8548                 os_free(prev);
8549         }
8550 }
8551
8552
8553 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
8554                                             char *buf, int len)
8555 {
8556         int i, res;
8557         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
8558         char *pos, *end;
8559
8560         for (i = 0; wpa_drivers[i]; i++) {
8561                 struct wpa_driver_ops *drv = wpa_drivers[i];
8562                 if (drv->get_interfaces == NULL)
8563                         continue;
8564                 tmp = drv->get_interfaces(global->drv_priv[i]);
8565                 if (tmp == NULL)
8566                         continue;
8567
8568                 if (last == NULL)
8569                         iface = last = tmp;
8570                 else
8571                         last->next = tmp;
8572                 while (last->next)
8573                         last = last->next;
8574         }
8575
8576         pos = buf;
8577         end = buf + len;
8578         for (tmp = iface; tmp; tmp = tmp->next) {
8579                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
8580                                   tmp->drv_name, tmp->ifname,
8581                                   tmp->desc ? tmp->desc : "");
8582                 if (os_snprintf_error(end - pos, res)) {
8583                         *pos = '\0';
8584                         break;
8585                 }
8586                 pos += res;
8587         }
8588
8589         wpa_free_iface_info(iface);
8590
8591         return pos - buf;
8592 }
8593
8594
8595 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
8596                                                   char *buf, int len)
8597 {
8598         int res;
8599         char *pos, *end;
8600         struct wpa_supplicant *wpa_s;
8601
8602         wpa_s = global->ifaces;
8603         pos = buf;
8604         end = buf + len;
8605
8606         while (wpa_s) {
8607                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
8608                 if (os_snprintf_error(end - pos, res)) {
8609                         *pos = '\0';
8610                         break;
8611                 }
8612                 pos += res;
8613                 wpa_s = wpa_s->next;
8614         }
8615         return pos - buf;
8616 }
8617
8618
8619 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
8620                                             const char *ifname,
8621                                             char *cmd, size_t *resp_len)
8622 {
8623         struct wpa_supplicant *wpa_s;
8624
8625         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
8626                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
8627                         break;
8628         }
8629
8630         if (wpa_s == NULL) {
8631                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
8632                 if (resp)
8633                         *resp_len = os_strlen(resp);
8634                 else
8635                         *resp_len = 1;
8636                 return resp;
8637         }
8638
8639         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
8640 }
8641
8642
8643 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
8644                                                char *buf, size_t *resp_len)
8645 {
8646 #ifdef CONFIG_P2P
8647         static const char * cmd[] = {
8648                 "LIST_NETWORKS",
8649                 "P2P_FIND",
8650                 "P2P_STOP_FIND",
8651                 "P2P_LISTEN",
8652                 "P2P_GROUP_ADD",
8653                 "P2P_GET_PASSPHRASE",
8654                 "P2P_SERVICE_UPDATE",
8655                 "P2P_SERVICE_FLUSH",
8656                 "P2P_FLUSH",
8657                 "P2P_CANCEL",
8658                 "P2P_PRESENCE_REQ",
8659                 "P2P_EXT_LISTEN",
8660                 NULL
8661         };
8662         static const char * prefix[] = {
8663 #ifdef ANDROID
8664                 "DRIVER ",
8665 #endif /* ANDROID */
8666                 "GET_NETWORK ",
8667                 "REMOVE_NETWORK ",
8668                 "P2P_FIND ",
8669                 "P2P_CONNECT ",
8670                 "P2P_LISTEN ",
8671                 "P2P_GROUP_REMOVE ",
8672                 "P2P_GROUP_ADD ",
8673                 "P2P_PROV_DISC ",
8674                 "P2P_SERV_DISC_REQ ",
8675                 "P2P_SERV_DISC_CANCEL_REQ ",
8676                 "P2P_SERV_DISC_RESP ",
8677                 "P2P_SERV_DISC_EXTERNAL ",
8678                 "P2P_SERVICE_ADD ",
8679                 "P2P_SERVICE_DEL ",
8680                 "P2P_SERVICE_REP ",
8681                 "P2P_REJECT ",
8682                 "P2P_INVITE ",
8683                 "P2P_PEER ",
8684                 "P2P_SET ",
8685                 "P2P_UNAUTHORIZE ",
8686                 "P2P_PRESENCE_REQ ",
8687                 "P2P_EXT_LISTEN ",
8688                 "P2P_REMOVE_CLIENT ",
8689                 "WPS_NFC_TOKEN ",
8690                 "WPS_NFC_TAG_READ ",
8691                 "NFC_GET_HANDOVER_SEL ",
8692                 "NFC_GET_HANDOVER_REQ ",
8693                 "NFC_REPORT_HANDOVER ",
8694                 "P2P_ASP_PROVISION ",
8695                 "P2P_ASP_PROVISION_RESP ",
8696                 NULL
8697         };
8698         int found = 0;
8699         int i;
8700
8701         if (global->p2p_init_wpa_s == NULL)
8702                 return NULL;
8703
8704         for (i = 0; !found && cmd[i]; i++) {
8705                 if (os_strcmp(buf, cmd[i]) == 0)
8706                         found = 1;
8707         }
8708
8709         for (i = 0; !found && prefix[i]; i++) {
8710                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
8711                         found = 1;
8712         }
8713
8714         if (found)
8715                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
8716                                                          buf, resp_len);
8717 #endif /* CONFIG_P2P */
8718         return NULL;
8719 }
8720
8721
8722 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
8723                                                char *buf, size_t *resp_len)
8724 {
8725 #ifdef CONFIG_WIFI_DISPLAY
8726         if (global->p2p_init_wpa_s == NULL)
8727                 return NULL;
8728         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
8729             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
8730                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
8731                                                          buf, resp_len);
8732 #endif /* CONFIG_WIFI_DISPLAY */
8733         return NULL;
8734 }
8735
8736
8737 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
8738                                            char *buf, size_t *resp_len)
8739 {
8740         char *ret;
8741
8742         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
8743         if (ret)
8744                 return ret;
8745
8746         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
8747         if (ret)
8748                 return ret;
8749
8750         return NULL;
8751 }
8752
8753
8754 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
8755 {
8756         char *value;
8757
8758         value = os_strchr(cmd, ' ');
8759         if (value == NULL)
8760                 return -1;
8761         *value++ = '\0';
8762
8763         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
8764
8765 #ifdef CONFIG_WIFI_DISPLAY
8766         if (os_strcasecmp(cmd, "wifi_display") == 0) {
8767                 wifi_display_enable(global, !!atoi(value));
8768                 return 0;
8769         }
8770 #endif /* CONFIG_WIFI_DISPLAY */
8771
8772         /* Restore cmd to its original value to allow redirection */
8773         value[-1] = ' ';
8774
8775         return -1;
8776 }
8777
8778
8779 #ifndef CONFIG_NO_CONFIG_WRITE
8780 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
8781 {
8782         int ret = 0, saved = 0;
8783         struct wpa_supplicant *wpa_s;
8784
8785         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
8786                 if (!wpa_s->conf->update_config) {
8787                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
8788                         continue;
8789                 }
8790
8791                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
8792                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
8793                         ret = 1;
8794                 } else {
8795                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
8796                         saved++;
8797                 }
8798         }
8799
8800         if (!saved && !ret) {
8801                 wpa_dbg(wpa_s, MSG_DEBUG,
8802                         "CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
8803                 ret = 1;
8804         }
8805
8806         return ret;
8807 }
8808 #endif /* CONFIG_NO_CONFIG_WRITE */
8809
8810
8811 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
8812                                          char *buf, size_t buflen)
8813 {
8814         char *pos, *end;
8815         int ret;
8816         struct wpa_supplicant *wpa_s;
8817
8818         pos = buf;
8819         end = buf + buflen;
8820
8821 #ifdef CONFIG_P2P
8822         if (global->p2p && !global->p2p_disabled) {
8823                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
8824                                   "\n"
8825                                   "p2p_state=%s\n",
8826                                   MAC2STR(global->p2p_dev_addr),
8827                                   p2p_get_state_txt(global->p2p));
8828                 if (os_snprintf_error(end - pos, ret))
8829                         return pos - buf;
8830                 pos += ret;
8831         } else if (global->p2p) {
8832                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
8833                 if (os_snprintf_error(end - pos, ret))
8834                         return pos - buf;
8835                 pos += ret;
8836         }
8837 #endif /* CONFIG_P2P */
8838
8839 #ifdef CONFIG_WIFI_DISPLAY
8840         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
8841                           !!global->wifi_display);
8842         if (os_snprintf_error(end - pos, ret))
8843                 return pos - buf;
8844         pos += ret;
8845 #endif /* CONFIG_WIFI_DISPLAY */
8846
8847         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
8848                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
8849                                   "address=" MACSTR "\n",
8850                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
8851                 if (os_snprintf_error(end - pos, ret))
8852                         return pos - buf;
8853                 pos += ret;
8854         }
8855
8856         return pos - buf;
8857 }
8858
8859
8860 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
8861                                                 char *buf, size_t *resp_len)
8862 {
8863         char *reply;
8864         const int reply_size = 2048;
8865         int reply_len;
8866         int level = MSG_DEBUG;
8867
8868         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
8869                 char *pos = os_strchr(buf + 7, ' ');
8870                 if (pos) {
8871                         *pos++ = '\0';
8872                         return wpas_global_ctrl_iface_ifname(global,
8873                                                              buf + 7, pos,
8874                                                              resp_len);
8875                 }
8876         }
8877
8878         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
8879         if (reply)
8880                 return reply;
8881
8882         if (os_strcmp(buf, "PING") == 0)
8883                 level = MSG_EXCESSIVE;
8884         wpa_hexdump_ascii(level, "RX global ctrl_iface",
8885                           (const u8 *) buf, os_strlen(buf));
8886
8887         reply = os_malloc(reply_size);
8888         if (reply == NULL) {
8889                 *resp_len = 1;
8890                 return NULL;
8891         }
8892
8893         os_memcpy(reply, "OK\n", 3);
8894         reply_len = 3;
8895
8896         if (os_strcmp(buf, "PING") == 0) {
8897                 os_memcpy(reply, "PONG\n", 5);
8898                 reply_len = 5;
8899         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
8900                 if (wpa_supplicant_global_iface_add(global, buf + 14))
8901                         reply_len = -1;
8902         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
8903                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
8904                         reply_len = -1;
8905         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
8906                 reply_len = wpa_supplicant_global_iface_list(
8907                         global, reply, reply_size);
8908         } else if (os_strcmp(buf, "INTERFACES") == 0) {
8909                 reply_len = wpa_supplicant_global_iface_interfaces(
8910                         global, reply, reply_size);
8911         } else if (os_strcmp(buf, "TERMINATE") == 0) {
8912                 wpa_supplicant_terminate_proc(global);
8913         } else if (os_strcmp(buf, "SUSPEND") == 0) {
8914                 wpas_notify_suspend(global);
8915         } else if (os_strcmp(buf, "RESUME") == 0) {
8916                 wpas_notify_resume(global);
8917         } else if (os_strncmp(buf, "SET ", 4) == 0) {
8918                 if (wpas_global_ctrl_iface_set(global, buf + 4)) {
8919 #ifdef CONFIG_P2P
8920                         if (global->p2p_init_wpa_s) {
8921                                 os_free(reply);
8922                                 /* Check if P2P redirection would work for this
8923                                  * command. */
8924                                 return wpa_supplicant_ctrl_iface_process(
8925                                         global->p2p_init_wpa_s,
8926                                         buf, resp_len);
8927                         }
8928 #endif /* CONFIG_P2P */
8929                         reply_len = -1;
8930                 }
8931 #ifndef CONFIG_NO_CONFIG_WRITE
8932         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
8933                 if (wpas_global_ctrl_iface_save_config(global))
8934                         reply_len = -1;
8935 #endif /* CONFIG_NO_CONFIG_WRITE */
8936         } else if (os_strcmp(buf, "STATUS") == 0) {
8937                 reply_len = wpas_global_ctrl_iface_status(global, reply,
8938                                                           reply_size);
8939 #ifdef CONFIG_MODULE_TESTS
8940         } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
8941                 int wpas_module_tests(void);
8942                 if (wpas_module_tests() < 0)
8943                         reply_len = -1;
8944 #endif /* CONFIG_MODULE_TESTS */
8945         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
8946                 if (wpa_debug_reopen_file() < 0)
8947                         reply_len = -1;
8948         } else {
8949                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
8950                 reply_len = 16;
8951         }
8952
8953         if (reply_len < 0) {
8954                 os_memcpy(reply, "FAIL\n", 5);
8955                 reply_len = 5;
8956         }
8957
8958         *resp_len = reply_len;
8959         return reply;
8960 }