Clean up p2p_find command parsing and execution
[mech_eap.git] / wpa_supplicant / ctrl_iface.c
1 /*
2  * WPA Supplicant / Control interface (shared code for all backends)
3  * Copyright (c) 2004-2015, Jouni Malinen <j@w1.fi>
4  *
5  * This software may be distributed under the terms of the BSD license.
6  * See README for more details.
7  */
8
9 #include "utils/includes.h"
10 #ifdef CONFIG_TESTING_OPTIONS
11 #include <net/ethernet.h>
12 #include <netinet/ip.h>
13 #endif /* CONFIG_TESTING_OPTIONS */
14
15 #include "utils/common.h"
16 #include "utils/eloop.h"
17 #include "utils/uuid.h"
18 #include "common/version.h"
19 #include "common/ieee802_11_defs.h"
20 #include "common/ieee802_11_common.h"
21 #include "common/wpa_ctrl.h"
22 #include "crypto/tls.h"
23 #include "ap/hostapd.h"
24 #include "eap_peer/eap.h"
25 #include "eapol_supp/eapol_supp_sm.h"
26 #include "rsn_supp/wpa.h"
27 #include "rsn_supp/preauth.h"
28 #include "rsn_supp/pmksa_cache.h"
29 #include "l2_packet/l2_packet.h"
30 #include "wps/wps.h"
31 #include "config.h"
32 #include "wpa_supplicant_i.h"
33 #include "driver_i.h"
34 #include "wps_supplicant.h"
35 #include "ibss_rsn.h"
36 #include "ap.h"
37 #include "p2p_supplicant.h"
38 #include "p2p/p2p.h"
39 #include "hs20_supplicant.h"
40 #include "wifi_display.h"
41 #include "notify.h"
42 #include "bss.h"
43 #include "scan.h"
44 #include "ctrl_iface.h"
45 #include "interworking.h"
46 #include "blacklist.h"
47 #include "autoscan.h"
48 #include "wnm_sta.h"
49 #include "offchannel.h"
50 #include "drivers/driver.h"
51 #include "mesh.h"
52
53 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
54                                             char *buf, int len);
55 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
56                                                   char *buf, int len);
57 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s,
58                                         char *val);
59
60 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
61 {
62         char *pos;
63         u8 addr[ETH_ALEN], *filter = NULL, *n;
64         size_t count = 0;
65
66         pos = val;
67         while (pos) {
68                 if (*pos == '\0')
69                         break;
70                 if (hwaddr_aton(pos, addr)) {
71                         os_free(filter);
72                         return -1;
73                 }
74                 n = os_realloc_array(filter, count + 1, ETH_ALEN);
75                 if (n == NULL) {
76                         os_free(filter);
77                         return -1;
78                 }
79                 filter = n;
80                 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
81                 count++;
82
83                 pos = os_strchr(pos, ' ');
84                 if (pos)
85                         pos++;
86         }
87
88         wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
89         os_free(wpa_s->bssid_filter);
90         wpa_s->bssid_filter = filter;
91         wpa_s->bssid_filter_count = count;
92
93         return 0;
94 }
95
96
97 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
98 {
99         char *pos;
100         u8 addr[ETH_ALEN], *bssid = NULL, *n;
101         struct wpa_ssid_value *ssid = NULL, *ns;
102         size_t count = 0, ssid_count = 0;
103         struct wpa_ssid *c;
104
105         /*
106          * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | ""
107          * SSID_SPEC ::= ssid <SSID_HEX>
108          * BSSID_SPEC ::= bssid <BSSID_HEX>
109          */
110
111         pos = val;
112         while (pos) {
113                 if (*pos == '\0')
114                         break;
115                 if (os_strncmp(pos, "bssid ", 6) == 0) {
116                         int res;
117                         pos += 6;
118                         res = hwaddr_aton2(pos, addr);
119                         if (res < 0) {
120                                 os_free(ssid);
121                                 os_free(bssid);
122                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
123                                            "BSSID value '%s'", pos);
124                                 return -1;
125                         }
126                         pos += res;
127                         n = os_realloc_array(bssid, count + 1, ETH_ALEN);
128                         if (n == NULL) {
129                                 os_free(ssid);
130                                 os_free(bssid);
131                                 return -1;
132                         }
133                         bssid = n;
134                         os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
135                         count++;
136                 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
137                         char *end;
138                         pos += 5;
139
140                         end = pos;
141                         while (*end) {
142                                 if (*end == '\0' || *end == ' ')
143                                         break;
144                                 end++;
145                         }
146
147                         ns = os_realloc_array(ssid, ssid_count + 1,
148                                               sizeof(struct wpa_ssid_value));
149                         if (ns == NULL) {
150                                 os_free(ssid);
151                                 os_free(bssid);
152                                 return -1;
153                         }
154                         ssid = ns;
155
156                         if ((end - pos) & 0x01 || end - pos > 2 * 32 ||
157                             hexstr2bin(pos, ssid[ssid_count].ssid,
158                                        (end - pos) / 2) < 0) {
159                                 os_free(ssid);
160                                 os_free(bssid);
161                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
162                                            "SSID value '%s'", pos);
163                                 return -1;
164                         }
165                         ssid[ssid_count].ssid_len = (end - pos) / 2;
166                         wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
167                                           ssid[ssid_count].ssid,
168                                           ssid[ssid_count].ssid_len);
169                         ssid_count++;
170                         pos = end;
171                 } else {
172                         wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
173                                    "'%s'", pos);
174                         os_free(ssid);
175                         os_free(bssid);
176                         return -1;
177                 }
178
179                 pos = os_strchr(pos, ' ');
180                 if (pos)
181                         pos++;
182         }
183
184         wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
185         os_free(wpa_s->disallow_aps_bssid);
186         wpa_s->disallow_aps_bssid = bssid;
187         wpa_s->disallow_aps_bssid_count = count;
188
189         wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
190         os_free(wpa_s->disallow_aps_ssid);
191         wpa_s->disallow_aps_ssid = ssid;
192         wpa_s->disallow_aps_ssid_count = ssid_count;
193
194         if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
195                 return 0;
196
197         c = wpa_s->current_ssid;
198         if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
199                 return 0;
200
201         if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
202             !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
203                 return 0;
204
205         wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
206                    "because current AP was marked disallowed");
207
208 #ifdef CONFIG_SME
209         wpa_s->sme.prev_bssid_set = 0;
210 #endif /* CONFIG_SME */
211         wpa_s->reassociate = 1;
212         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
213         wpa_supplicant_req_scan(wpa_s, 0, 0);
214
215         return 0;
216 }
217
218
219 #ifndef CONFIG_NO_CONFIG_BLOBS
220 static int wpas_ctrl_set_blob(struct wpa_supplicant *wpa_s, char *pos)
221 {
222         char *name = pos;
223         struct wpa_config_blob *blob;
224         size_t len;
225
226         pos = os_strchr(pos, ' ');
227         if (pos == NULL)
228                 return -1;
229         *pos++ = '\0';
230         len = os_strlen(pos);
231         if (len & 1)
232                 return -1;
233
234         wpa_printf(MSG_DEBUG, "CTRL: Set blob '%s'", name);
235         blob = os_zalloc(sizeof(*blob));
236         if (blob == NULL)
237                 return -1;
238         blob->name = os_strdup(name);
239         blob->data = os_malloc(len / 2);
240         if (blob->name == NULL || blob->data == NULL) {
241                 wpa_config_free_blob(blob);
242                 return -1;
243         }
244
245         if (hexstr2bin(pos, blob->data, len / 2) < 0) {
246                 wpa_printf(MSG_DEBUG, "CTRL: Invalid blob hex data");
247                 wpa_config_free_blob(blob);
248                 return -1;
249         }
250         blob->len = len / 2;
251
252         wpa_config_set_blob(wpa_s->conf, blob);
253
254         return 0;
255 }
256 #endif /* CONFIG_NO_CONFIG_BLOBS */
257
258
259 static int wpas_ctrl_pno(struct wpa_supplicant *wpa_s, char *cmd)
260 {
261         char *params;
262         char *pos;
263         int *freqs = NULL;
264         int ret;
265
266         if (atoi(cmd)) {
267                 params = os_strchr(cmd, ' ');
268                 os_free(wpa_s->manual_sched_scan_freqs);
269                 if (params) {
270                         params++;
271                         pos = os_strstr(params, "freq=");
272                         if (pos)
273                                 freqs = freq_range_to_channel_list(wpa_s,
274                                                                    pos + 5);
275                 }
276                 wpa_s->manual_sched_scan_freqs = freqs;
277                 ret = wpas_start_pno(wpa_s);
278         } else {
279                 ret = wpas_stop_pno(wpa_s);
280         }
281         return ret;
282 }
283
284
285 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
286                                          char *cmd)
287 {
288         char *value;
289         int ret = 0;
290
291         value = os_strchr(cmd, ' ');
292         if (value == NULL)
293                 return -1;
294         *value++ = '\0';
295
296         wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
297         if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
298                 eapol_sm_configure(wpa_s->eapol,
299                                    atoi(value), -1, -1, -1);
300         } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
301                 eapol_sm_configure(wpa_s->eapol,
302                                    -1, atoi(value), -1, -1);
303         } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
304                 eapol_sm_configure(wpa_s->eapol,
305                                    -1, -1, atoi(value), -1);
306         } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
307                 eapol_sm_configure(wpa_s->eapol,
308                                    -1, -1, -1, atoi(value));
309         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
310                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
311                                      atoi(value)))
312                         ret = -1;
313         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
314                    0) {
315                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
316                                      atoi(value)))
317                         ret = -1;
318         } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
319                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
320                         ret = -1;
321         } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
322                 wpa_s->wps_fragment_size = atoi(value);
323 #ifdef CONFIG_WPS_TESTING
324         } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
325                 long int val;
326                 val = strtol(value, NULL, 0);
327                 if (val < 0 || val > 0xff) {
328                         ret = -1;
329                         wpa_printf(MSG_DEBUG, "WPS: Invalid "
330                                    "wps_version_number %ld", val);
331                 } else {
332                         wps_version_number = val;
333                         wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
334                                    "version %u.%u",
335                                    (wps_version_number & 0xf0) >> 4,
336                                    wps_version_number & 0x0f);
337                 }
338         } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
339                 wps_testing_dummy_cred = atoi(value);
340                 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
341                            wps_testing_dummy_cred);
342         } else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
343                 wps_corrupt_pkhash = atoi(value);
344                 wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
345                            wps_corrupt_pkhash);
346 #endif /* CONFIG_WPS_TESTING */
347         } else if (os_strcasecmp(cmd, "ampdu") == 0) {
348                 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
349                         ret = -1;
350 #ifdef CONFIG_TDLS
351 #ifdef CONFIG_TDLS_TESTING
352         } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
353                 extern unsigned int tdls_testing;
354                 tdls_testing = strtol(value, NULL, 0);
355                 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
356 #endif /* CONFIG_TDLS_TESTING */
357         } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
358                 int disabled = atoi(value);
359                 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
360                 if (disabled) {
361                         if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
362                                 ret = -1;
363                 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
364                         ret = -1;
365                 wpa_tdls_enable(wpa_s->wpa, !disabled);
366 #endif /* CONFIG_TDLS */
367         } else if (os_strcasecmp(cmd, "pno") == 0) {
368                 ret = wpas_ctrl_pno(wpa_s, value);
369         } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
370                 int disabled = atoi(value);
371                 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
372                         ret = -1;
373                 else if (disabled)
374                         wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
375         } else if (os_strcasecmp(cmd, "uapsd") == 0) {
376                 if (os_strcmp(value, "disable") == 0)
377                         wpa_s->set_sta_uapsd = 0;
378                 else {
379                         int be, bk, vi, vo;
380                         char *pos;
381                         /* format: BE,BK,VI,VO;max SP Length */
382                         be = atoi(value);
383                         pos = os_strchr(value, ',');
384                         if (pos == NULL)
385                                 return -1;
386                         pos++;
387                         bk = atoi(pos);
388                         pos = os_strchr(pos, ',');
389                         if (pos == NULL)
390                                 return -1;
391                         pos++;
392                         vi = atoi(pos);
393                         pos = os_strchr(pos, ',');
394                         if (pos == NULL)
395                                 return -1;
396                         pos++;
397                         vo = atoi(pos);
398                         /* ignore max SP Length for now */
399
400                         wpa_s->set_sta_uapsd = 1;
401                         wpa_s->sta_uapsd = 0;
402                         if (be)
403                                 wpa_s->sta_uapsd |= BIT(0);
404                         if (bk)
405                                 wpa_s->sta_uapsd |= BIT(1);
406                         if (vi)
407                                 wpa_s->sta_uapsd |= BIT(2);
408                         if (vo)
409                                 wpa_s->sta_uapsd |= BIT(3);
410                 }
411         } else if (os_strcasecmp(cmd, "ps") == 0) {
412                 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
413 #ifdef CONFIG_WIFI_DISPLAY
414         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
415                 int enabled = !!atoi(value);
416                 if (enabled && !wpa_s->global->p2p)
417                         ret = -1;
418                 else
419                         wifi_display_enable(wpa_s->global, enabled);
420 #endif /* CONFIG_WIFI_DISPLAY */
421         } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
422                 ret = set_bssid_filter(wpa_s, value);
423         } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
424                 ret = set_disallow_aps(wpa_s, value);
425         } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
426                 wpa_s->no_keep_alive = !!atoi(value);
427 #ifdef CONFIG_TESTING_OPTIONS
428         } else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) {
429                 wpa_s->ext_mgmt_frame_handling = !!atoi(value);
430         } else if (os_strcasecmp(cmd, "ext_eapol_frame_io") == 0) {
431                 wpa_s->ext_eapol_frame_io = !!atoi(value);
432 #ifdef CONFIG_AP
433                 if (wpa_s->ap_iface) {
434                         wpa_s->ap_iface->bss[0]->ext_eapol_frame_io =
435                                 wpa_s->ext_eapol_frame_io;
436                 }
437 #endif /* CONFIG_AP */
438         } else if (os_strcasecmp(cmd, "extra_roc_dur") == 0) {
439                 wpa_s->extra_roc_dur = atoi(value);
440         } else if (os_strcasecmp(cmd, "test_failure") == 0) {
441                 wpa_s->test_failure = atoi(value);
442 #endif /* CONFIG_TESTING_OPTIONS */
443 #ifndef CONFIG_NO_CONFIG_BLOBS
444         } else if (os_strcmp(cmd, "blob") == 0) {
445                 ret = wpas_ctrl_set_blob(wpa_s, value);
446 #endif /* CONFIG_NO_CONFIG_BLOBS */
447         } else if (os_strcasecmp(cmd, "setband") == 0) {
448                 if (os_strcmp(value, "AUTO") == 0)
449                         wpa_s->setband = WPA_SETBAND_AUTO;
450                 else if (os_strcmp(value, "5G") == 0)
451                         wpa_s->setband = WPA_SETBAND_5G;
452                 else if (os_strcmp(value, "2G") == 0)
453                         wpa_s->setband = WPA_SETBAND_2G;
454                 else
455                         ret = -1;
456         } else {
457                 value[-1] = '=';
458                 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
459                 if (ret == 0)
460                         wpa_supplicant_update_config(wpa_s);
461         }
462
463         return ret;
464 }
465
466
467 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
468                                          char *cmd, char *buf, size_t buflen)
469 {
470         int res = -1;
471
472         wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
473
474         if (os_strcmp(cmd, "version") == 0) {
475                 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
476         } else if (os_strcasecmp(cmd, "country") == 0) {
477                 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
478                         res = os_snprintf(buf, buflen, "%c%c",
479                                           wpa_s->conf->country[0],
480                                           wpa_s->conf->country[1]);
481 #ifdef CONFIG_WIFI_DISPLAY
482         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
483                 int enabled;
484                 if (wpa_s->global->p2p == NULL ||
485                     wpa_s->global->p2p_disabled)
486                         enabled = 0;
487                 else
488                         enabled = wpa_s->global->wifi_display;
489                 res = os_snprintf(buf, buflen, "%d", enabled);
490 #endif /* CONFIG_WIFI_DISPLAY */
491 #ifdef CONFIG_TESTING_GET_GTK
492         } else if (os_strcmp(cmd, "gtk") == 0) {
493                 if (wpa_s->last_gtk_len == 0)
494                         return -1;
495                 res = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk,
496                                        wpa_s->last_gtk_len);
497                 return res;
498 #endif /* CONFIG_TESTING_GET_GTK */
499         } else if (os_strcmp(cmd, "tls_library") == 0) {
500                 res = tls_get_library_version(buf, buflen);
501         } else {
502                 res = wpa_config_get_value(cmd, wpa_s->conf, buf, buflen);
503         }
504
505         if (os_snprintf_error(buflen, res))
506                 return -1;
507         return res;
508 }
509
510
511 #ifdef IEEE8021X_EAPOL
512 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
513                                              char *addr)
514 {
515         u8 bssid[ETH_ALEN];
516         struct wpa_ssid *ssid = wpa_s->current_ssid;
517
518         if (hwaddr_aton(addr, bssid)) {
519                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
520                            "'%s'", addr);
521                 return -1;
522         }
523
524         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
525         rsn_preauth_deinit(wpa_s->wpa);
526         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
527                 return -1;
528
529         return 0;
530 }
531 #endif /* IEEE8021X_EAPOL */
532
533
534 #ifdef CONFIG_PEERKEY
535 /* MLME-STKSTART.request(peer) */
536 static int wpa_supplicant_ctrl_iface_stkstart(
537         struct wpa_supplicant *wpa_s, char *addr)
538 {
539         u8 peer[ETH_ALEN];
540
541         if (hwaddr_aton(addr, peer)) {
542                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
543                            "address '%s'", addr);
544                 return -1;
545         }
546
547         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
548                    MAC2STR(peer));
549
550         return wpa_sm_stkstart(wpa_s->wpa, peer);
551 }
552 #endif /* CONFIG_PEERKEY */
553
554
555 #ifdef CONFIG_TDLS
556
557 static int wpa_supplicant_ctrl_iface_tdls_discover(
558         struct wpa_supplicant *wpa_s, char *addr)
559 {
560         u8 peer[ETH_ALEN];
561         int ret;
562
563         if (hwaddr_aton(addr, peer)) {
564                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
565                            "address '%s'", addr);
566                 return -1;
567         }
568
569         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
570                    MAC2STR(peer));
571
572         if (wpa_tdls_is_external_setup(wpa_s->wpa))
573                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
574         else
575                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
576
577         return ret;
578 }
579
580
581 static int wpa_supplicant_ctrl_iface_tdls_setup(
582         struct wpa_supplicant *wpa_s, char *addr)
583 {
584         u8 peer[ETH_ALEN];
585         int ret;
586
587         if (hwaddr_aton(addr, peer)) {
588                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
589                            "address '%s'", addr);
590                 return -1;
591         }
592
593         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
594                    MAC2STR(peer));
595
596         if ((wpa_s->conf->tdls_external_control) &&
597             wpa_tdls_is_external_setup(wpa_s->wpa))
598                 return wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
599
600         wpa_tdls_remove(wpa_s->wpa, peer);
601
602         if (wpa_tdls_is_external_setup(wpa_s->wpa))
603                 ret = wpa_tdls_start(wpa_s->wpa, peer);
604         else
605                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
606
607         return ret;
608 }
609
610
611 static int wpa_supplicant_ctrl_iface_tdls_teardown(
612         struct wpa_supplicant *wpa_s, char *addr)
613 {
614         u8 peer[ETH_ALEN];
615         int ret;
616
617         if (os_strcmp(addr, "*") == 0) {
618                 /* remove everyone */
619                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN *");
620                 wpa_tdls_teardown_peers(wpa_s->wpa);
621                 return 0;
622         }
623
624         if (hwaddr_aton(addr, peer)) {
625                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
626                            "address '%s'", addr);
627                 return -1;
628         }
629
630         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
631                    MAC2STR(peer));
632
633         if ((wpa_s->conf->tdls_external_control) &&
634             wpa_tdls_is_external_setup(wpa_s->wpa))
635                 return wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
636
637         if (wpa_tdls_is_external_setup(wpa_s->wpa))
638                 ret = wpa_tdls_teardown_link(
639                         wpa_s->wpa, peer,
640                         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
641         else
642                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
643
644         return ret;
645 }
646
647
648 static int ctrl_iface_get_capability_tdls(
649         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
650 {
651         int ret;
652
653         ret = os_snprintf(buf, buflen, "%s\n",
654                           wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT ?
655                           (wpa_s->drv_flags &
656                            WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP ?
657                            "EXTERNAL" : "INTERNAL") : "UNSUPPORTED");
658         if (os_snprintf_error(buflen, ret))
659                 return -1;
660         return ret;
661 }
662
663
664 static int wpa_supplicant_ctrl_iface_tdls_chan_switch(
665         struct wpa_supplicant *wpa_s, char *cmd)
666 {
667         u8 peer[ETH_ALEN];
668         struct hostapd_freq_params freq_params;
669         u8 oper_class;
670         char *pos, *end;
671
672         if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
673                 wpa_printf(MSG_INFO,
674                            "tdls_chanswitch: Only supported with external setup");
675                 return -1;
676         }
677
678         os_memset(&freq_params, 0, sizeof(freq_params));
679
680         pos = os_strchr(cmd, ' ');
681         if (pos == NULL)
682                 return -1;
683         *pos++ = '\0';
684
685         oper_class = strtol(pos, &end, 10);
686         if (pos == end) {
687                 wpa_printf(MSG_INFO,
688                            "tdls_chanswitch: Invalid op class provided");
689                 return -1;
690         }
691
692         pos = end;
693         freq_params.freq = atoi(pos);
694         if (freq_params.freq == 0) {
695                 wpa_printf(MSG_INFO, "tdls_chanswitch: Invalid freq provided");
696                 return -1;
697         }
698
699 #define SET_FREQ_SETTING(str) \
700         do { \
701                 const char *pos2 = os_strstr(pos, " " #str "="); \
702                 if (pos2) { \
703                         pos2 += sizeof(" " #str "=") - 1; \
704                         freq_params.str = atoi(pos2); \
705                 } \
706         } while (0)
707
708         SET_FREQ_SETTING(center_freq1);
709         SET_FREQ_SETTING(center_freq2);
710         SET_FREQ_SETTING(bandwidth);
711         SET_FREQ_SETTING(sec_channel_offset);
712 #undef SET_FREQ_SETTING
713
714         freq_params.ht_enabled = !!os_strstr(pos, " ht");
715         freq_params.vht_enabled = !!os_strstr(pos, " vht");
716
717         if (hwaddr_aton(cmd, peer)) {
718                 wpa_printf(MSG_DEBUG,
719                            "CTRL_IFACE TDLS_CHAN_SWITCH: Invalid address '%s'",
720                            cmd);
721                 return -1;
722         }
723
724         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CHAN_SWITCH " MACSTR
725                    " OP CLASS %d FREQ %d CENTER1 %d CENTER2 %d BW %d SEC_OFFSET %d%s%s",
726                    MAC2STR(peer), oper_class, freq_params.freq,
727                    freq_params.center_freq1, freq_params.center_freq2,
728                    freq_params.bandwidth, freq_params.sec_channel_offset,
729                    freq_params.ht_enabled ? " HT" : "",
730                    freq_params.vht_enabled ? " VHT" : "");
731
732         return wpa_tdls_enable_chan_switch(wpa_s->wpa, peer, oper_class,
733                                            &freq_params);
734 }
735
736
737 static int wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(
738         struct wpa_supplicant *wpa_s, char *cmd)
739 {
740         u8 peer[ETH_ALEN];
741
742         if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
743                 wpa_printf(MSG_INFO,
744                            "tdls_chanswitch: Only supported with external setup");
745                 return -1;
746         }
747
748         if (hwaddr_aton(cmd, peer)) {
749                 wpa_printf(MSG_DEBUG,
750                            "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH: Invalid address '%s'",
751                            cmd);
752                 return -1;
753         }
754
755         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH " MACSTR,
756                    MAC2STR(peer));
757
758         return wpa_tdls_disable_chan_switch(wpa_s->wpa, peer);
759 }
760
761 #endif /* CONFIG_TDLS */
762
763
764 static int wmm_ac_ctrl_addts(struct wpa_supplicant *wpa_s, char *cmd)
765 {
766         char *token, *context = NULL;
767         struct wmm_ac_ts_setup_params params = {
768                 .tsid = 0xff,
769                 .direction = 0xff,
770         };
771
772         while ((token = str_token(cmd, " ", &context))) {
773                 if (sscanf(token, "tsid=%i", &params.tsid) == 1 ||
774                     sscanf(token, "up=%i", &params.user_priority) == 1 ||
775                     sscanf(token, "nominal_msdu_size=%i",
776                            &params.nominal_msdu_size) == 1 ||
777                     sscanf(token, "mean_data_rate=%i",
778                            &params.mean_data_rate) == 1 ||
779                     sscanf(token, "min_phy_rate=%i",
780                            &params.minimum_phy_rate) == 1 ||
781                     sscanf(token, "sba=%i",
782                            &params.surplus_bandwidth_allowance) == 1)
783                         continue;
784
785                 if (os_strcasecmp(token, "downlink") == 0) {
786                         params.direction = WMM_TSPEC_DIRECTION_DOWNLINK;
787                 } else if (os_strcasecmp(token, "uplink") == 0) {
788                         params.direction = WMM_TSPEC_DIRECTION_UPLINK;
789                 } else if (os_strcasecmp(token, "bidi") == 0) {
790                         params.direction = WMM_TSPEC_DIRECTION_BI_DIRECTIONAL;
791                 } else if (os_strcasecmp(token, "fixed_nominal_msdu") == 0) {
792                         params.fixed_nominal_msdu = 1;
793                 } else {
794                         wpa_printf(MSG_DEBUG,
795                                    "CTRL: Invalid WMM_AC_ADDTS parameter: '%s'",
796                                    token);
797                         return -1;
798                 }
799
800         }
801
802         return wpas_wmm_ac_addts(wpa_s, &params);
803 }
804
805
806 static int wmm_ac_ctrl_delts(struct wpa_supplicant *wpa_s, char *cmd)
807 {
808         u8 tsid = atoi(cmd);
809
810         return wpas_wmm_ac_delts(wpa_s, tsid);
811 }
812
813
814 #ifdef CONFIG_IEEE80211R
815 static int wpa_supplicant_ctrl_iface_ft_ds(
816         struct wpa_supplicant *wpa_s, char *addr)
817 {
818         u8 target_ap[ETH_ALEN];
819         struct wpa_bss *bss;
820         const u8 *mdie;
821
822         if (hwaddr_aton(addr, target_ap)) {
823                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
824                            "address '%s'", addr);
825                 return -1;
826         }
827
828         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
829
830         bss = wpa_bss_get_bssid(wpa_s, target_ap);
831         if (bss)
832                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
833         else
834                 mdie = NULL;
835
836         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
837 }
838 #endif /* CONFIG_IEEE80211R */
839
840
841 #ifdef CONFIG_WPS
842 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
843                                              char *cmd)
844 {
845         u8 bssid[ETH_ALEN], *_bssid = bssid;
846 #ifdef CONFIG_P2P
847         u8 p2p_dev_addr[ETH_ALEN];
848 #endif /* CONFIG_P2P */
849 #ifdef CONFIG_AP
850         u8 *_p2p_dev_addr = NULL;
851 #endif /* CONFIG_AP */
852
853         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
854                 _bssid = NULL;
855 #ifdef CONFIG_P2P
856         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
857                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
858                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
859                                    "P2P Device Address '%s'",
860                                    cmd + 13);
861                         return -1;
862                 }
863                 _p2p_dev_addr = p2p_dev_addr;
864 #endif /* CONFIG_P2P */
865         } else if (hwaddr_aton(cmd, bssid)) {
866                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
867                            cmd);
868                 return -1;
869         }
870
871 #ifdef CONFIG_AP
872         if (wpa_s->ap_iface)
873                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
874 #endif /* CONFIG_AP */
875
876         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
877 }
878
879
880 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
881                                              char *cmd, char *buf,
882                                              size_t buflen)
883 {
884         u8 bssid[ETH_ALEN], *_bssid = bssid;
885         char *pin;
886         int ret;
887
888         pin = os_strchr(cmd, ' ');
889         if (pin)
890                 *pin++ = '\0';
891
892         if (os_strcmp(cmd, "any") == 0)
893                 _bssid = NULL;
894         else if (os_strcmp(cmd, "get") == 0) {
895                 ret = wps_generate_pin();
896                 goto done;
897         } else if (hwaddr_aton(cmd, bssid)) {
898                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
899                            cmd);
900                 return -1;
901         }
902
903 #ifdef CONFIG_AP
904         if (wpa_s->ap_iface) {
905                 int timeout = 0;
906                 char *pos;
907
908                 if (pin) {
909                         pos = os_strchr(pin, ' ');
910                         if (pos) {
911                                 *pos++ = '\0';
912                                 timeout = atoi(pos);
913                         }
914                 }
915
916                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
917                                                  buf, buflen, timeout);
918         }
919 #endif /* CONFIG_AP */
920
921         if (pin) {
922                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
923                                          DEV_PW_DEFAULT);
924                 if (ret < 0)
925                         return -1;
926                 ret = os_snprintf(buf, buflen, "%s", pin);
927                 if (os_snprintf_error(buflen, ret))
928                         return -1;
929                 return ret;
930         }
931
932         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
933         if (ret < 0)
934                 return -1;
935
936 done:
937         /* Return the generated PIN */
938         ret = os_snprintf(buf, buflen, "%08d", ret);
939         if (os_snprintf_error(buflen, ret))
940                 return -1;
941         return ret;
942 }
943
944
945 static int wpa_supplicant_ctrl_iface_wps_check_pin(
946         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
947 {
948         char pin[9];
949         size_t len;
950         char *pos;
951         int ret;
952
953         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
954                               (u8 *) cmd, os_strlen(cmd));
955         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
956                 if (*pos < '0' || *pos > '9')
957                         continue;
958                 pin[len++] = *pos;
959                 if (len == 9) {
960                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
961                         return -1;
962                 }
963         }
964         if (len != 4 && len != 8) {
965                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
966                 return -1;
967         }
968         pin[len] = '\0';
969
970         if (len == 8) {
971                 unsigned int pin_val;
972                 pin_val = atoi(pin);
973                 if (!wps_pin_valid(pin_val)) {
974                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
975                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
976                         if (os_snprintf_error(buflen, ret))
977                                 return -1;
978                         return ret;
979                 }
980         }
981
982         ret = os_snprintf(buf, buflen, "%s", pin);
983         if (os_snprintf_error(buflen, ret))
984                 return -1;
985
986         return ret;
987 }
988
989
990 #ifdef CONFIG_WPS_NFC
991
992 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
993                                              char *cmd)
994 {
995         u8 bssid[ETH_ALEN], *_bssid = bssid;
996
997         if (cmd == NULL || cmd[0] == '\0')
998                 _bssid = NULL;
999         else if (hwaddr_aton(cmd, bssid))
1000                 return -1;
1001
1002         return wpas_wps_start_nfc(wpa_s, NULL, _bssid, NULL, 0, 0, NULL, NULL,
1003                                   0, 0);
1004 }
1005
1006
1007 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
1008         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1009 {
1010         int ndef;
1011         struct wpabuf *buf;
1012         int res;
1013         char *pos;
1014
1015         pos = os_strchr(cmd, ' ');
1016         if (pos)
1017                 *pos++ = '\0';
1018         if (os_strcmp(cmd, "WPS") == 0)
1019                 ndef = 0;
1020         else if (os_strcmp(cmd, "NDEF") == 0)
1021                 ndef = 1;
1022         else
1023                 return -1;
1024
1025         buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
1026         if (buf == NULL)
1027                 return -1;
1028
1029         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1030                                          wpabuf_len(buf));
1031         reply[res++] = '\n';
1032         reply[res] = '\0';
1033
1034         wpabuf_free(buf);
1035
1036         return res;
1037 }
1038
1039
1040 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
1041         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1042 {
1043         int ndef;
1044         struct wpabuf *buf;
1045         int res;
1046
1047         if (os_strcmp(cmd, "WPS") == 0)
1048                 ndef = 0;
1049         else if (os_strcmp(cmd, "NDEF") == 0)
1050                 ndef = 1;
1051         else
1052                 return -1;
1053
1054         buf = wpas_wps_nfc_token(wpa_s, ndef);
1055         if (buf == NULL)
1056                 return -1;
1057
1058         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1059                                          wpabuf_len(buf));
1060         reply[res++] = '\n';
1061         reply[res] = '\0';
1062
1063         wpabuf_free(buf);
1064
1065         return res;
1066 }
1067
1068
1069 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
1070         struct wpa_supplicant *wpa_s, char *pos)
1071 {
1072         size_t len;
1073         struct wpabuf *buf;
1074         int ret;
1075         char *freq;
1076         int forced_freq = 0;
1077
1078         freq = strstr(pos, " freq=");
1079         if (freq) {
1080                 *freq = '\0';
1081                 freq += 6;
1082                 forced_freq = atoi(freq);
1083         }
1084
1085         len = os_strlen(pos);
1086         if (len & 0x01)
1087                 return -1;
1088         len /= 2;
1089
1090         buf = wpabuf_alloc(len);
1091         if (buf == NULL)
1092                 return -1;
1093         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
1094                 wpabuf_free(buf);
1095                 return -1;
1096         }
1097
1098         ret = wpas_wps_nfc_tag_read(wpa_s, buf, forced_freq);
1099         wpabuf_free(buf);
1100
1101         return ret;
1102 }
1103
1104
1105 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
1106                                               char *reply, size_t max_len,
1107                                               int ndef)
1108 {
1109         struct wpabuf *buf;
1110         int res;
1111
1112         buf = wpas_wps_nfc_handover_req(wpa_s, ndef);
1113         if (buf == NULL)
1114                 return -1;
1115
1116         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1117                                          wpabuf_len(buf));
1118         reply[res++] = '\n';
1119         reply[res] = '\0';
1120
1121         wpabuf_free(buf);
1122
1123         return res;
1124 }
1125
1126
1127 #ifdef CONFIG_P2P
1128 static int wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant *wpa_s,
1129                                               char *reply, size_t max_len,
1130                                               int ndef)
1131 {
1132         struct wpabuf *buf;
1133         int res;
1134
1135         buf = wpas_p2p_nfc_handover_req(wpa_s, ndef);
1136         if (buf == NULL) {
1137                 wpa_printf(MSG_DEBUG, "P2P: Could not generate NFC handover request");
1138                 return -1;
1139         }
1140
1141         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1142                                          wpabuf_len(buf));
1143         reply[res++] = '\n';
1144         reply[res] = '\0';
1145
1146         wpabuf_free(buf);
1147
1148         return res;
1149 }
1150 #endif /* CONFIG_P2P */
1151
1152
1153 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
1154                                           char *cmd, char *reply,
1155                                           size_t max_len)
1156 {
1157         char *pos;
1158         int ndef;
1159
1160         pos = os_strchr(cmd, ' ');
1161         if (pos == NULL)
1162                 return -1;
1163         *pos++ = '\0';
1164
1165         if (os_strcmp(cmd, "WPS") == 0)
1166                 ndef = 0;
1167         else if (os_strcmp(cmd, "NDEF") == 0)
1168                 ndef = 1;
1169         else
1170                 return -1;
1171
1172         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1173                 if (!ndef)
1174                         return -1;
1175                 return wpas_ctrl_nfc_get_handover_req_wps(
1176                         wpa_s, reply, max_len, ndef);
1177         }
1178
1179 #ifdef CONFIG_P2P
1180         if (os_strcmp(pos, "P2P-CR") == 0) {
1181                 return wpas_ctrl_nfc_get_handover_req_p2p(
1182                         wpa_s, reply, max_len, ndef);
1183         }
1184 #endif /* CONFIG_P2P */
1185
1186         return -1;
1187 }
1188
1189
1190 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
1191                                               char *reply, size_t max_len,
1192                                               int ndef, int cr, char *uuid)
1193 {
1194         struct wpabuf *buf;
1195         int res;
1196
1197         buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
1198         if (buf == NULL)
1199                 return -1;
1200
1201         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1202                                          wpabuf_len(buf));
1203         reply[res++] = '\n';
1204         reply[res] = '\0';
1205
1206         wpabuf_free(buf);
1207
1208         return res;
1209 }
1210
1211
1212 #ifdef CONFIG_P2P
1213 static int wpas_ctrl_nfc_get_handover_sel_p2p(struct wpa_supplicant *wpa_s,
1214                                               char *reply, size_t max_len,
1215                                               int ndef, int tag)
1216 {
1217         struct wpabuf *buf;
1218         int res;
1219
1220         buf = wpas_p2p_nfc_handover_sel(wpa_s, ndef, tag);
1221         if (buf == NULL)
1222                 return -1;
1223
1224         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1225                                          wpabuf_len(buf));
1226         reply[res++] = '\n';
1227         reply[res] = '\0';
1228
1229         wpabuf_free(buf);
1230
1231         return res;
1232 }
1233 #endif /* CONFIG_P2P */
1234
1235
1236 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
1237                                           char *cmd, char *reply,
1238                                           size_t max_len)
1239 {
1240         char *pos, *pos2;
1241         int ndef;
1242
1243         pos = os_strchr(cmd, ' ');
1244         if (pos == NULL)
1245                 return -1;
1246         *pos++ = '\0';
1247
1248         if (os_strcmp(cmd, "WPS") == 0)
1249                 ndef = 0;
1250         else if (os_strcmp(cmd, "NDEF") == 0)
1251                 ndef = 1;
1252         else
1253                 return -1;
1254
1255         pos2 = os_strchr(pos, ' ');
1256         if (pos2)
1257                 *pos2++ = '\0';
1258         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1259                 if (!ndef)
1260                         return -1;
1261                 return wpas_ctrl_nfc_get_handover_sel_wps(
1262                         wpa_s, reply, max_len, ndef,
1263                         os_strcmp(pos, "WPS-CR") == 0, pos2);
1264         }
1265
1266 #ifdef CONFIG_P2P
1267         if (os_strcmp(pos, "P2P-CR") == 0) {
1268                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1269                         wpa_s, reply, max_len, ndef, 0);
1270         }
1271
1272         if (os_strcmp(pos, "P2P-CR-TAG") == 0) {
1273                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1274                         wpa_s, reply, max_len, ndef, 1);
1275         }
1276 #endif /* CONFIG_P2P */
1277
1278         return -1;
1279 }
1280
1281
1282 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1283                                          char *cmd)
1284 {
1285         size_t len;
1286         struct wpabuf *req, *sel;
1287         int ret;
1288         char *pos, *role, *type, *pos2;
1289 #ifdef CONFIG_P2P
1290         char *freq;
1291         int forced_freq = 0;
1292
1293         freq = strstr(cmd, " freq=");
1294         if (freq) {
1295                 *freq = '\0';
1296                 freq += 6;
1297                 forced_freq = atoi(freq);
1298         }
1299 #endif /* CONFIG_P2P */
1300
1301         role = cmd;
1302         pos = os_strchr(role, ' ');
1303         if (pos == NULL) {
1304                 wpa_printf(MSG_DEBUG, "NFC: Missing type in handover report");
1305                 return -1;
1306         }
1307         *pos++ = '\0';
1308
1309         type = pos;
1310         pos = os_strchr(type, ' ');
1311         if (pos == NULL) {
1312                 wpa_printf(MSG_DEBUG, "NFC: Missing request message in handover report");
1313                 return -1;
1314         }
1315         *pos++ = '\0';
1316
1317         pos2 = os_strchr(pos, ' ');
1318         if (pos2 == NULL) {
1319                 wpa_printf(MSG_DEBUG, "NFC: Missing select message in handover report");
1320                 return -1;
1321         }
1322         *pos2++ = '\0';
1323
1324         len = os_strlen(pos);
1325         if (len & 0x01) {
1326                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message length in handover report");
1327                 return -1;
1328         }
1329         len /= 2;
1330
1331         req = wpabuf_alloc(len);
1332         if (req == NULL) {
1333                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for request message");
1334                 return -1;
1335         }
1336         if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1337                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message hexdump in handover report");
1338                 wpabuf_free(req);
1339                 return -1;
1340         }
1341
1342         len = os_strlen(pos2);
1343         if (len & 0x01) {
1344                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message length in handover report");
1345                 wpabuf_free(req);
1346                 return -1;
1347         }
1348         len /= 2;
1349
1350         sel = wpabuf_alloc(len);
1351         if (sel == NULL) {
1352                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for select message");
1353                 wpabuf_free(req);
1354                 return -1;
1355         }
1356         if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1357                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message hexdump in handover report");
1358                 wpabuf_free(req);
1359                 wpabuf_free(sel);
1360                 return -1;
1361         }
1362
1363         wpa_printf(MSG_DEBUG, "NFC: Connection handover reported - role=%s type=%s req_len=%d sel_len=%d",
1364                    role, type, (int) wpabuf_len(req), (int) wpabuf_len(sel));
1365
1366         if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1367                 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1368 #ifdef CONFIG_AP
1369         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0)
1370         {
1371                 ret = wpas_ap_wps_nfc_report_handover(wpa_s, req, sel);
1372                 if (ret < 0)
1373                         ret = wpas_er_wps_nfc_report_handover(wpa_s, req, sel);
1374 #endif /* CONFIG_AP */
1375 #ifdef CONFIG_P2P
1376         } else if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "P2P") == 0)
1377         {
1378                 ret = wpas_p2p_nfc_report_handover(wpa_s, 1, req, sel, 0);
1379         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "P2P") == 0)
1380         {
1381                 ret = wpas_p2p_nfc_report_handover(wpa_s, 0, req, sel,
1382                                                    forced_freq);
1383 #endif /* CONFIG_P2P */
1384         } else {
1385                 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1386                            "reported: role=%s type=%s", role, type);
1387                 ret = -1;
1388         }
1389         wpabuf_free(req);
1390         wpabuf_free(sel);
1391
1392         if (ret)
1393                 wpa_printf(MSG_DEBUG, "NFC: Failed to process reported handover messages");
1394
1395         return ret;
1396 }
1397
1398 #endif /* CONFIG_WPS_NFC */
1399
1400
1401 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1402                                              char *cmd)
1403 {
1404         u8 bssid[ETH_ALEN];
1405         char *pin;
1406         char *new_ssid;
1407         char *new_auth;
1408         char *new_encr;
1409         char *new_key;
1410         struct wps_new_ap_settings ap;
1411
1412         pin = os_strchr(cmd, ' ');
1413         if (pin == NULL)
1414                 return -1;
1415         *pin++ = '\0';
1416
1417         if (hwaddr_aton(cmd, bssid)) {
1418                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1419                            cmd);
1420                 return -1;
1421         }
1422
1423         new_ssid = os_strchr(pin, ' ');
1424         if (new_ssid == NULL)
1425                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1426         *new_ssid++ = '\0';
1427
1428         new_auth = os_strchr(new_ssid, ' ');
1429         if (new_auth == NULL)
1430                 return -1;
1431         *new_auth++ = '\0';
1432
1433         new_encr = os_strchr(new_auth, ' ');
1434         if (new_encr == NULL)
1435                 return -1;
1436         *new_encr++ = '\0';
1437
1438         new_key = os_strchr(new_encr, ' ');
1439         if (new_key == NULL)
1440                 return -1;
1441         *new_key++ = '\0';
1442
1443         os_memset(&ap, 0, sizeof(ap));
1444         ap.ssid_hex = new_ssid;
1445         ap.auth = new_auth;
1446         ap.encr = new_encr;
1447         ap.key_hex = new_key;
1448         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1449 }
1450
1451
1452 #ifdef CONFIG_AP
1453 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1454                                                 char *cmd, char *buf,
1455                                                 size_t buflen)
1456 {
1457         int timeout = 300;
1458         char *pos;
1459         const char *pin_txt;
1460
1461         if (!wpa_s->ap_iface)
1462                 return -1;
1463
1464         pos = os_strchr(cmd, ' ');
1465         if (pos)
1466                 *pos++ = '\0';
1467
1468         if (os_strcmp(cmd, "disable") == 0) {
1469                 wpas_wps_ap_pin_disable(wpa_s);
1470                 return os_snprintf(buf, buflen, "OK\n");
1471         }
1472
1473         if (os_strcmp(cmd, "random") == 0) {
1474                 if (pos)
1475                         timeout = atoi(pos);
1476                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1477                 if (pin_txt == NULL)
1478                         return -1;
1479                 return os_snprintf(buf, buflen, "%s", pin_txt);
1480         }
1481
1482         if (os_strcmp(cmd, "get") == 0) {
1483                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1484                 if (pin_txt == NULL)
1485                         return -1;
1486                 return os_snprintf(buf, buflen, "%s", pin_txt);
1487         }
1488
1489         if (os_strcmp(cmd, "set") == 0) {
1490                 char *pin;
1491                 if (pos == NULL)
1492                         return -1;
1493                 pin = pos;
1494                 pos = os_strchr(pos, ' ');
1495                 if (pos) {
1496                         *pos++ = '\0';
1497                         timeout = atoi(pos);
1498                 }
1499                 if (os_strlen(pin) > buflen)
1500                         return -1;
1501                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1502                         return -1;
1503                 return os_snprintf(buf, buflen, "%s", pin);
1504         }
1505
1506         return -1;
1507 }
1508 #endif /* CONFIG_AP */
1509
1510
1511 #ifdef CONFIG_WPS_ER
1512 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1513                                                 char *cmd)
1514 {
1515         char *uuid = cmd, *pin, *pos;
1516         u8 addr_buf[ETH_ALEN], *addr = NULL;
1517         pin = os_strchr(uuid, ' ');
1518         if (pin == NULL)
1519                 return -1;
1520         *pin++ = '\0';
1521         pos = os_strchr(pin, ' ');
1522         if (pos) {
1523                 *pos++ = '\0';
1524                 if (hwaddr_aton(pos, addr_buf) == 0)
1525                         addr = addr_buf;
1526         }
1527         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1528 }
1529
1530
1531 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1532                                                   char *cmd)
1533 {
1534         char *uuid = cmd, *pin;
1535         pin = os_strchr(uuid, ' ');
1536         if (pin == NULL)
1537                 return -1;
1538         *pin++ = '\0';
1539         return wpas_wps_er_learn(wpa_s, uuid, pin);
1540 }
1541
1542
1543 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1544         struct wpa_supplicant *wpa_s, char *cmd)
1545 {
1546         char *uuid = cmd, *id;
1547         id = os_strchr(uuid, ' ');
1548         if (id == NULL)
1549                 return -1;
1550         *id++ = '\0';
1551         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1552 }
1553
1554
1555 static int wpa_supplicant_ctrl_iface_wps_er_config(
1556         struct wpa_supplicant *wpa_s, char *cmd)
1557 {
1558         char *pin;
1559         char *new_ssid;
1560         char *new_auth;
1561         char *new_encr;
1562         char *new_key;
1563         struct wps_new_ap_settings ap;
1564
1565         pin = os_strchr(cmd, ' ');
1566         if (pin == NULL)
1567                 return -1;
1568         *pin++ = '\0';
1569
1570         new_ssid = os_strchr(pin, ' ');
1571         if (new_ssid == NULL)
1572                 return -1;
1573         *new_ssid++ = '\0';
1574
1575         new_auth = os_strchr(new_ssid, ' ');
1576         if (new_auth == NULL)
1577                 return -1;
1578         *new_auth++ = '\0';
1579
1580         new_encr = os_strchr(new_auth, ' ');
1581         if (new_encr == NULL)
1582                 return -1;
1583         *new_encr++ = '\0';
1584
1585         new_key = os_strchr(new_encr, ' ');
1586         if (new_key == NULL)
1587                 return -1;
1588         *new_key++ = '\0';
1589
1590         os_memset(&ap, 0, sizeof(ap));
1591         ap.ssid_hex = new_ssid;
1592         ap.auth = new_auth;
1593         ap.encr = new_encr;
1594         ap.key_hex = new_key;
1595         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1596 }
1597
1598
1599 #ifdef CONFIG_WPS_NFC
1600 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1601         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1602 {
1603         int ndef;
1604         struct wpabuf *buf;
1605         int res;
1606         char *uuid;
1607
1608         uuid = os_strchr(cmd, ' ');
1609         if (uuid == NULL)
1610                 return -1;
1611         *uuid++ = '\0';
1612
1613         if (os_strcmp(cmd, "WPS") == 0)
1614                 ndef = 0;
1615         else if (os_strcmp(cmd, "NDEF") == 0)
1616                 ndef = 1;
1617         else
1618                 return -1;
1619
1620         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1621         if (buf == NULL)
1622                 return -1;
1623
1624         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1625                                          wpabuf_len(buf));
1626         reply[res++] = '\n';
1627         reply[res] = '\0';
1628
1629         wpabuf_free(buf);
1630
1631         return res;
1632 }
1633 #endif /* CONFIG_WPS_NFC */
1634 #endif /* CONFIG_WPS_ER */
1635
1636 #endif /* CONFIG_WPS */
1637
1638
1639 #ifdef CONFIG_IBSS_RSN
1640 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1641         struct wpa_supplicant *wpa_s, char *addr)
1642 {
1643         u8 peer[ETH_ALEN];
1644
1645         if (hwaddr_aton(addr, peer)) {
1646                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1647                            "address '%s'", addr);
1648                 return -1;
1649         }
1650
1651         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1652                    MAC2STR(peer));
1653
1654         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1655 }
1656 #endif /* CONFIG_IBSS_RSN */
1657
1658
1659 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1660                                               char *rsp)
1661 {
1662 #ifdef IEEE8021X_EAPOL
1663         char *pos, *id_pos;
1664         int id;
1665         struct wpa_ssid *ssid;
1666
1667         pos = os_strchr(rsp, '-');
1668         if (pos == NULL)
1669                 return -1;
1670         *pos++ = '\0';
1671         id_pos = pos;
1672         pos = os_strchr(pos, ':');
1673         if (pos == NULL)
1674                 return -1;
1675         *pos++ = '\0';
1676         id = atoi(id_pos);
1677         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1678         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1679                               (u8 *) pos, os_strlen(pos));
1680
1681         ssid = wpa_config_get_network(wpa_s->conf, id);
1682         if (ssid == NULL) {
1683                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1684                            "to update", id);
1685                 return -1;
1686         }
1687
1688         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1689                                                          pos);
1690 #else /* IEEE8021X_EAPOL */
1691         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1692         return -1;
1693 #endif /* IEEE8021X_EAPOL */
1694 }
1695
1696
1697 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1698                                             const char *params,
1699                                             char *buf, size_t buflen)
1700 {
1701         char *pos, *end, tmp[30];
1702         int res, verbose, wps, ret;
1703 #ifdef CONFIG_HS20
1704         const u8 *hs20;
1705 #endif /* CONFIG_HS20 */
1706         const u8 *sess_id;
1707         size_t sess_id_len;
1708
1709         if (os_strcmp(params, "-DRIVER") == 0)
1710                 return wpa_drv_status(wpa_s, buf, buflen);
1711         verbose = os_strcmp(params, "-VERBOSE") == 0;
1712         wps = os_strcmp(params, "-WPS") == 0;
1713         pos = buf;
1714         end = buf + buflen;
1715         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1716                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1717                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1718                                   MAC2STR(wpa_s->bssid));
1719                 if (os_snprintf_error(end - pos, ret))
1720                         return pos - buf;
1721                 pos += ret;
1722                 ret = os_snprintf(pos, end - pos, "freq=%u\n",
1723                                   wpa_s->assoc_freq);
1724                 if (os_snprintf_error(end - pos, ret))
1725                         return pos - buf;
1726                 pos += ret;
1727                 if (ssid) {
1728                         u8 *_ssid = ssid->ssid;
1729                         size_t ssid_len = ssid->ssid_len;
1730                         u8 ssid_buf[MAX_SSID_LEN];
1731                         if (ssid_len == 0) {
1732                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1733                                 if (_res < 0)
1734                                         ssid_len = 0;
1735                                 else
1736                                         ssid_len = _res;
1737                                 _ssid = ssid_buf;
1738                         }
1739                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1740                                           wpa_ssid_txt(_ssid, ssid_len),
1741                                           ssid->id);
1742                         if (os_snprintf_error(end - pos, ret))
1743                                 return pos - buf;
1744                         pos += ret;
1745
1746                         if (wps && ssid->passphrase &&
1747                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1748                             (ssid->mode == WPAS_MODE_AP ||
1749                              ssid->mode == WPAS_MODE_P2P_GO)) {
1750                                 ret = os_snprintf(pos, end - pos,
1751                                                   "passphrase=%s\n",
1752                                                   ssid->passphrase);
1753                                 if (os_snprintf_error(end - pos, ret))
1754                                         return pos - buf;
1755                                 pos += ret;
1756                         }
1757                         if (ssid->id_str) {
1758                                 ret = os_snprintf(pos, end - pos,
1759                                                   "id_str=%s\n",
1760                                                   ssid->id_str);
1761                                 if (os_snprintf_error(end - pos, ret))
1762                                         return pos - buf;
1763                                 pos += ret;
1764                         }
1765
1766                         switch (ssid->mode) {
1767                         case WPAS_MODE_INFRA:
1768                                 ret = os_snprintf(pos, end - pos,
1769                                                   "mode=station\n");
1770                                 break;
1771                         case WPAS_MODE_IBSS:
1772                                 ret = os_snprintf(pos, end - pos,
1773                                                   "mode=IBSS\n");
1774                                 break;
1775                         case WPAS_MODE_AP:
1776                                 ret = os_snprintf(pos, end - pos,
1777                                                   "mode=AP\n");
1778                                 break;
1779                         case WPAS_MODE_P2P_GO:
1780                                 ret = os_snprintf(pos, end - pos,
1781                                                   "mode=P2P GO\n");
1782                                 break;
1783                         case WPAS_MODE_P2P_GROUP_FORMATION:
1784                                 ret = os_snprintf(pos, end - pos,
1785                                                   "mode=P2P GO - group "
1786                                                   "formation\n");
1787                                 break;
1788                         default:
1789                                 ret = 0;
1790                                 break;
1791                         }
1792                         if (os_snprintf_error(end - pos, ret))
1793                                 return pos - buf;
1794                         pos += ret;
1795                 }
1796
1797 #ifdef CONFIG_AP
1798                 if (wpa_s->ap_iface) {
1799                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1800                                                             end - pos,
1801                                                             verbose);
1802                 } else
1803 #endif /* CONFIG_AP */
1804                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1805         }
1806 #ifdef CONFIG_SAE
1807         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1808 #ifdef CONFIG_AP
1809             !wpa_s->ap_iface &&
1810 #endif /* CONFIG_AP */
1811             wpa_s->sme.sae.state == SAE_ACCEPTED) {
1812                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1813                                   wpa_s->sme.sae.group);
1814                 if (os_snprintf_error(end - pos, ret))
1815                         return pos - buf;
1816                 pos += ret;
1817         }
1818 #endif /* CONFIG_SAE */
1819         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1820                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1821         if (os_snprintf_error(end - pos, ret))
1822                 return pos - buf;
1823         pos += ret;
1824
1825         if (wpa_s->l2 &&
1826             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1827                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1828                 if (os_snprintf_error(end - pos, ret))
1829                         return pos - buf;
1830                 pos += ret;
1831         }
1832
1833 #ifdef CONFIG_P2P
1834         if (wpa_s->global->p2p) {
1835                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1836                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1837                 if (os_snprintf_error(end - pos, ret))
1838                         return pos - buf;
1839                 pos += ret;
1840         }
1841 #endif /* CONFIG_P2P */
1842
1843         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1844                           MAC2STR(wpa_s->own_addr));
1845         if (os_snprintf_error(end - pos, ret))
1846                 return pos - buf;
1847         pos += ret;
1848
1849 #ifdef CONFIG_HS20
1850         if (wpa_s->current_bss &&
1851             (hs20 = wpa_bss_get_vendor_ie(wpa_s->current_bss,
1852                                           HS20_IE_VENDOR_TYPE)) &&
1853             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1854             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1855                 int release = 1;
1856                 if (hs20[1] >= 5) {
1857                         u8 rel_num = (hs20[6] & 0xf0) >> 4;
1858                         release = rel_num + 1;
1859                 }
1860                 ret = os_snprintf(pos, end - pos, "hs20=%d\n", release);
1861                 if (os_snprintf_error(end - pos, ret))
1862                         return pos - buf;
1863                 pos += ret;
1864         }
1865
1866         if (wpa_s->current_ssid) {
1867                 struct wpa_cred *cred;
1868                 char *type;
1869
1870                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1871                         size_t i;
1872
1873                         if (wpa_s->current_ssid->parent_cred != cred)
1874                                 continue;
1875
1876                         if (cred->provisioning_sp) {
1877                                 ret = os_snprintf(pos, end - pos,
1878                                                   "provisioning_sp=%s\n",
1879                                                   cred->provisioning_sp);
1880                                 if (os_snprintf_error(end - pos, ret))
1881                                         return pos - buf;
1882                                 pos += ret;
1883                         }
1884
1885                         if (!cred->domain)
1886                                 goto no_domain;
1887
1888                         i = 0;
1889                         if (wpa_s->current_bss && wpa_s->current_bss->anqp) {
1890                                 struct wpabuf *names =
1891                                         wpa_s->current_bss->anqp->domain_name;
1892                                 for (i = 0; names && i < cred->num_domain; i++)
1893                                 {
1894                                         if (domain_name_list_contains(
1895                                                     names, cred->domain[i], 1))
1896                                                 break;
1897                                 }
1898                                 if (i == cred->num_domain)
1899                                         i = 0; /* show first entry by default */
1900                         }
1901                         ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1902                                           cred->domain[i]);
1903                         if (os_snprintf_error(end - pos, ret))
1904                                 return pos - buf;
1905                         pos += ret;
1906
1907                 no_domain:
1908                         if (wpa_s->current_bss == NULL ||
1909                             wpa_s->current_bss->anqp == NULL)
1910                                 res = -1;
1911                         else
1912                                 res = interworking_home_sp_cred(
1913                                         wpa_s, cred,
1914                                         wpa_s->current_bss->anqp->domain_name);
1915                         if (res > 0)
1916                                 type = "home";
1917                         else if (res == 0)
1918                                 type = "roaming";
1919                         else
1920                                 type = "unknown";
1921
1922                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1923                         if (os_snprintf_error(end - pos, ret))
1924                                 return pos - buf;
1925                         pos += ret;
1926
1927                         break;
1928                 }
1929         }
1930 #endif /* CONFIG_HS20 */
1931
1932         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1933             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1934                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1935                                           verbose);
1936                 if (res >= 0)
1937                         pos += res;
1938         }
1939
1940         sess_id = eapol_sm_get_session_id(wpa_s->eapol, &sess_id_len);
1941         if (sess_id) {
1942                 char *start = pos;
1943
1944                 ret = os_snprintf(pos, end - pos, "eap_session_id=");
1945                 if (os_snprintf_error(end - pos, ret))
1946                         return start - buf;
1947                 pos += ret;
1948                 ret = wpa_snprintf_hex(pos, end - pos, sess_id, sess_id_len);
1949                 if (ret <= 0)
1950                         return start - buf;
1951                 pos += ret;
1952                 ret = os_snprintf(pos, end - pos, "\n");
1953                 if (os_snprintf_error(end - pos, ret))
1954                         return start - buf;
1955                 pos += ret;
1956         }
1957
1958         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1959         if (res >= 0)
1960                 pos += res;
1961
1962 #ifdef CONFIG_WPS
1963         {
1964                 char uuid_str[100];
1965                 uuid_bin2str(wpa_s->wps->uuid, uuid_str, sizeof(uuid_str));
1966                 ret = os_snprintf(pos, end - pos, "uuid=%s\n", uuid_str);
1967                 if (os_snprintf_error(end - pos, ret))
1968                         return pos - buf;
1969                 pos += ret;
1970         }
1971 #endif /* CONFIG_WPS */
1972
1973 #ifdef ANDROID
1974         /*
1975          * Allow using the STATUS command with default behavior, say for debug,
1976          * i.e., don't generate a "fake" CONNECTION and SUPPLICANT_STATE_CHANGE
1977          * events with STATUS-NO_EVENTS.
1978          */
1979         if (os_strcmp(params, "-NO_EVENTS")) {
1980                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
1981                              "id=%d state=%d BSSID=" MACSTR " SSID=%s",
1982                              wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
1983                              wpa_s->wpa_state,
1984                              MAC2STR(wpa_s->bssid),
1985                              wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
1986                              wpa_ssid_txt(wpa_s->current_ssid->ssid,
1987                                           wpa_s->current_ssid->ssid_len) : "");
1988                 if (wpa_s->wpa_state == WPA_COMPLETED) {
1989                         struct wpa_ssid *ssid = wpa_s->current_ssid;
1990                         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED
1991                                      "- connection to " MACSTR
1992                                      " completed %s [id=%d id_str=%s]",
1993                                      MAC2STR(wpa_s->bssid), "(auth)",
1994                                      ssid ? ssid->id : -1,
1995                                      ssid && ssid->id_str ? ssid->id_str : "");
1996                 }
1997         }
1998 #endif /* ANDROID */
1999
2000         return pos - buf;
2001 }
2002
2003
2004 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
2005                                            char *cmd)
2006 {
2007         char *pos;
2008         int id;
2009         struct wpa_ssid *ssid;
2010         u8 bssid[ETH_ALEN];
2011
2012         /* cmd: "<network id> <BSSID>" */
2013         pos = os_strchr(cmd, ' ');
2014         if (pos == NULL)
2015                 return -1;
2016         *pos++ = '\0';
2017         id = atoi(cmd);
2018         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
2019         if (hwaddr_aton(pos, bssid)) {
2020                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
2021                 return -1;
2022         }
2023
2024         ssid = wpa_config_get_network(wpa_s->conf, id);
2025         if (ssid == NULL) {
2026                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
2027                            "to update", id);
2028                 return -1;
2029         }
2030
2031         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
2032         ssid->bssid_set = !is_zero_ether_addr(bssid);
2033
2034         return 0;
2035 }
2036
2037
2038 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
2039                                                char *cmd, char *buf,
2040                                                size_t buflen)
2041 {
2042         u8 bssid[ETH_ALEN];
2043         struct wpa_blacklist *e;
2044         char *pos, *end;
2045         int ret;
2046
2047         /* cmd: "BLACKLIST [<BSSID>]" */
2048         if (*cmd == '\0') {
2049                 pos = buf;
2050                 end = buf + buflen;
2051                 e = wpa_s->blacklist;
2052                 while (e) {
2053                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
2054                                           MAC2STR(e->bssid));
2055                         if (os_snprintf_error(end - pos, ret))
2056                                 return pos - buf;
2057                         pos += ret;
2058                         e = e->next;
2059                 }
2060                 return pos - buf;
2061         }
2062
2063         cmd++;
2064         if (os_strncmp(cmd, "clear", 5) == 0) {
2065                 wpa_blacklist_clear(wpa_s);
2066                 os_memcpy(buf, "OK\n", 3);
2067                 return 3;
2068         }
2069
2070         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
2071         if (hwaddr_aton(cmd, bssid)) {
2072                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
2073                 return -1;
2074         }
2075
2076         /*
2077          * Add the BSSID twice, so its count will be 2, causing it to be
2078          * skipped when processing scan results.
2079          */
2080         ret = wpa_blacklist_add(wpa_s, bssid);
2081         if (ret < 0)
2082                 return -1;
2083         ret = wpa_blacklist_add(wpa_s, bssid);
2084         if (ret < 0)
2085                 return -1;
2086         os_memcpy(buf, "OK\n", 3);
2087         return 3;
2088 }
2089
2090
2091 static const char * debug_level_str(int level)
2092 {
2093         switch (level) {
2094         case MSG_EXCESSIVE:
2095                 return "EXCESSIVE";
2096         case MSG_MSGDUMP:
2097                 return "MSGDUMP";
2098         case MSG_DEBUG:
2099                 return "DEBUG";
2100         case MSG_INFO:
2101                 return "INFO";
2102         case MSG_WARNING:
2103                 return "WARNING";
2104         case MSG_ERROR:
2105                 return "ERROR";
2106         default:
2107                 return "?";
2108         }
2109 }
2110
2111
2112 static int str_to_debug_level(const char *s)
2113 {
2114         if (os_strcasecmp(s, "EXCESSIVE") == 0)
2115                 return MSG_EXCESSIVE;
2116         if (os_strcasecmp(s, "MSGDUMP") == 0)
2117                 return MSG_MSGDUMP;
2118         if (os_strcasecmp(s, "DEBUG") == 0)
2119                 return MSG_DEBUG;
2120         if (os_strcasecmp(s, "INFO") == 0)
2121                 return MSG_INFO;
2122         if (os_strcasecmp(s, "WARNING") == 0)
2123                 return MSG_WARNING;
2124         if (os_strcasecmp(s, "ERROR") == 0)
2125                 return MSG_ERROR;
2126         return -1;
2127 }
2128
2129
2130 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
2131                                                char *cmd, char *buf,
2132                                                size_t buflen)
2133 {
2134         char *pos, *end, *stamp;
2135         int ret;
2136
2137         /* cmd: "LOG_LEVEL [<level>]" */
2138         if (*cmd == '\0') {
2139                 pos = buf;
2140                 end = buf + buflen;
2141                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
2142                                   "Timestamp: %d\n",
2143                                   debug_level_str(wpa_debug_level),
2144                                   wpa_debug_timestamp);
2145                 if (os_snprintf_error(end - pos, ret))
2146                         ret = 0;
2147
2148                 return ret;
2149         }
2150
2151         while (*cmd == ' ')
2152                 cmd++;
2153
2154         stamp = os_strchr(cmd, ' ');
2155         if (stamp) {
2156                 *stamp++ = '\0';
2157                 while (*stamp == ' ') {
2158                         stamp++;
2159                 }
2160         }
2161
2162         if (cmd && os_strlen(cmd)) {
2163                 int level = str_to_debug_level(cmd);
2164                 if (level < 0)
2165                         return -1;
2166                 wpa_debug_level = level;
2167         }
2168
2169         if (stamp && os_strlen(stamp))
2170                 wpa_debug_timestamp = atoi(stamp);
2171
2172         os_memcpy(buf, "OK\n", 3);
2173         return 3;
2174 }
2175
2176
2177 static int wpa_supplicant_ctrl_iface_list_networks(
2178         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2179 {
2180         char *pos, *end, *prev;
2181         struct wpa_ssid *ssid;
2182         int ret;
2183
2184         pos = buf;
2185         end = buf + buflen;
2186         ret = os_snprintf(pos, end - pos,
2187                           "network id / ssid / bssid / flags\n");
2188         if (os_snprintf_error(end - pos, ret))
2189                 return pos - buf;
2190         pos += ret;
2191
2192         ssid = wpa_s->conf->ssid;
2193
2194         /* skip over ssids until we find next one */
2195         if (cmd != NULL && os_strncmp(cmd, "LAST_ID=", 8) == 0) {
2196                 int last_id = atoi(cmd + 8);
2197                 if (last_id != -1) {
2198                         while (ssid != NULL && ssid->id <= last_id) {
2199                                 ssid = ssid->next;
2200                         }
2201                 }
2202         }
2203
2204         while (ssid) {
2205                 prev = pos;
2206                 ret = os_snprintf(pos, end - pos, "%d\t%s",
2207                                   ssid->id,
2208                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
2209                 if (os_snprintf_error(end - pos, ret))
2210                         return prev - buf;
2211                 pos += ret;
2212                 if (ssid->bssid_set) {
2213                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
2214                                           MAC2STR(ssid->bssid));
2215                 } else {
2216                         ret = os_snprintf(pos, end - pos, "\tany");
2217                 }
2218                 if (os_snprintf_error(end - pos, ret))
2219                         return prev - buf;
2220                 pos += ret;
2221                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
2222                                   ssid == wpa_s->current_ssid ?
2223                                   "[CURRENT]" : "",
2224                                   ssid->disabled ? "[DISABLED]" : "",
2225                                   ssid->disabled_until.sec ?
2226                                   "[TEMP-DISABLED]" : "",
2227                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
2228                                   "");
2229                 if (os_snprintf_error(end - pos, ret))
2230                         return prev - buf;
2231                 pos += ret;
2232                 ret = os_snprintf(pos, end - pos, "\n");
2233                 if (os_snprintf_error(end - pos, ret))
2234                         return prev - buf;
2235                 pos += ret;
2236
2237                 ssid = ssid->next;
2238         }
2239
2240         return pos - buf;
2241 }
2242
2243
2244 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
2245 {
2246         int ret;
2247         ret = os_snprintf(pos, end - pos, "-");
2248         if (os_snprintf_error(end - pos, ret))
2249                 return pos;
2250         pos += ret;
2251         ret = wpa_write_ciphers(pos, end, cipher, "+");
2252         if (ret < 0)
2253                 return pos;
2254         pos += ret;
2255         return pos;
2256 }
2257
2258
2259 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
2260                                     const u8 *ie, size_t ie_len)
2261 {
2262         struct wpa_ie_data data;
2263         char *start;
2264         int ret;
2265
2266         ret = os_snprintf(pos, end - pos, "[%s-", proto);
2267         if (os_snprintf_error(end - pos, ret))
2268                 return pos;
2269         pos += ret;
2270
2271         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
2272                 ret = os_snprintf(pos, end - pos, "?]");
2273                 if (os_snprintf_error(end - pos, ret))
2274                         return pos;
2275                 pos += ret;
2276                 return pos;
2277         }
2278
2279         start = pos;
2280         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
2281                 ret = os_snprintf(pos, end - pos, "%sEAP",
2282                                   pos == start ? "" : "+");
2283                 if (os_snprintf_error(end - pos, ret))
2284                         return pos;
2285                 pos += ret;
2286         }
2287         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
2288                 ret = os_snprintf(pos, end - pos, "%sPSK",
2289                                   pos == start ? "" : "+");
2290                 if (os_snprintf_error(end - pos, ret))
2291                         return pos;
2292                 pos += ret;
2293         }
2294         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
2295                 ret = os_snprintf(pos, end - pos, "%sNone",
2296                                   pos == start ? "" : "+");
2297                 if (os_snprintf_error(end - pos, ret))
2298                         return pos;
2299                 pos += ret;
2300         }
2301         if (data.key_mgmt & WPA_KEY_MGMT_SAE) {
2302                 ret = os_snprintf(pos, end - pos, "%sSAE",
2303                                   pos == start ? "" : "+");
2304                 if (os_snprintf_error(end - pos, ret))
2305                         return pos;
2306                 pos += ret;
2307         }
2308 #ifdef CONFIG_IEEE80211R
2309         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
2310                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
2311                                   pos == start ? "" : "+");
2312                 if (os_snprintf_error(end - pos, ret))
2313                         return pos;
2314                 pos += ret;
2315         }
2316         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
2317                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
2318                                   pos == start ? "" : "+");
2319                 if (os_snprintf_error(end - pos, ret))
2320                         return pos;
2321                 pos += ret;
2322         }
2323         if (data.key_mgmt & WPA_KEY_MGMT_FT_SAE) {
2324                 ret = os_snprintf(pos, end - pos, "%sFT/SAE",
2325                                   pos == start ? "" : "+");
2326                 if (os_snprintf_error(end - pos, ret))
2327                         return pos;
2328                 pos += ret;
2329         }
2330 #endif /* CONFIG_IEEE80211R */
2331 #ifdef CONFIG_IEEE80211W
2332         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
2333                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
2334                                   pos == start ? "" : "+");
2335                 if (os_snprintf_error(end - pos, ret))
2336                         return pos;
2337                 pos += ret;
2338         }
2339         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
2340                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
2341                                   pos == start ? "" : "+");
2342                 if (os_snprintf_error(end - pos, ret))
2343                         return pos;
2344                 pos += ret;
2345         }
2346 #endif /* CONFIG_IEEE80211W */
2347
2348 #ifdef CONFIG_SUITEB
2349         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
2350                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B",
2351                                   pos == start ? "" : "+");
2352                 if (os_snprintf_error(end - pos, ret))
2353                         return pos;
2354                 pos += ret;
2355         }
2356 #endif /* CONFIG_SUITEB */
2357
2358 #ifdef CONFIG_SUITEB192
2359         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
2360                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B-192",
2361                                   pos == start ? "" : "+");
2362                 if (os_snprintf_error(end - pos, ret))
2363                         return pos;
2364                 pos += ret;
2365         }
2366 #endif /* CONFIG_SUITEB192 */
2367
2368         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
2369
2370         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
2371                 ret = os_snprintf(pos, end - pos, "-preauth");
2372                 if (os_snprintf_error(end - pos, ret))
2373                         return pos;
2374                 pos += ret;
2375         }
2376
2377         ret = os_snprintf(pos, end - pos, "]");
2378         if (os_snprintf_error(end - pos, ret))
2379                 return pos;
2380         pos += ret;
2381
2382         return pos;
2383 }
2384
2385
2386 #ifdef CONFIG_WPS
2387 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
2388                                             char *pos, char *end,
2389                                             struct wpabuf *wps_ie)
2390 {
2391         int ret;
2392         const char *txt;
2393
2394         if (wps_ie == NULL)
2395                 return pos;
2396         if (wps_is_selected_pbc_registrar(wps_ie))
2397                 txt = "[WPS-PBC]";
2398         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
2399                 txt = "[WPS-AUTH]";
2400         else if (wps_is_selected_pin_registrar(wps_ie))
2401                 txt = "[WPS-PIN]";
2402         else
2403                 txt = "[WPS]";
2404
2405         ret = os_snprintf(pos, end - pos, "%s", txt);
2406         if (!os_snprintf_error(end - pos, ret))
2407                 pos += ret;
2408         wpabuf_free(wps_ie);
2409         return pos;
2410 }
2411 #endif /* CONFIG_WPS */
2412
2413
2414 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2415                                         char *pos, char *end,
2416                                         const struct wpa_bss *bss)
2417 {
2418 #ifdef CONFIG_WPS
2419         struct wpabuf *wps_ie;
2420         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2421         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2422 #else /* CONFIG_WPS */
2423         return pos;
2424 #endif /* CONFIG_WPS */
2425 }
2426
2427
2428 /* Format one result on one text line into a buffer. */
2429 static int wpa_supplicant_ctrl_iface_scan_result(
2430         struct wpa_supplicant *wpa_s,
2431         const struct wpa_bss *bss, char *buf, size_t buflen)
2432 {
2433         char *pos, *end;
2434         int ret;
2435         const u8 *ie, *ie2, *p2p, *mesh;
2436
2437         mesh = wpa_bss_get_ie(bss, WLAN_EID_MESH_ID);
2438         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2439         if (!p2p)
2440                 p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2441         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2442             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2443             0)
2444                 return 0; /* Do not show P2P listen discovery results here */
2445
2446         pos = buf;
2447         end = buf + buflen;
2448
2449         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2450                           MAC2STR(bss->bssid), bss->freq, bss->level);
2451         if (os_snprintf_error(end - pos, ret))
2452                 return -1;
2453         pos += ret;
2454         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2455         if (ie)
2456                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2457         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2458         if (ie2) {
2459                 pos = wpa_supplicant_ie_txt(pos, end, mesh ? "RSN" : "WPA2",
2460                                             ie2, 2 + ie2[1]);
2461         }
2462         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2463         if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2464                 ret = os_snprintf(pos, end - pos, "[WEP]");
2465                 if (os_snprintf_error(end - pos, ret))
2466                         return -1;
2467                 pos += ret;
2468         }
2469         if (mesh) {
2470                 ret = os_snprintf(pos, end - pos, "[MESH]");
2471                 if (os_snprintf_error(end - pos, ret))
2472                         return -1;
2473                 pos += ret;
2474         }
2475         if (bss_is_dmg(bss)) {
2476                 const char *s;
2477                 ret = os_snprintf(pos, end - pos, "[DMG]");
2478                 if (os_snprintf_error(end - pos, ret))
2479                         return -1;
2480                 pos += ret;
2481                 switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
2482                 case IEEE80211_CAP_DMG_IBSS:
2483                         s = "[IBSS]";
2484                         break;
2485                 case IEEE80211_CAP_DMG_AP:
2486                         s = "[ESS]";
2487                         break;
2488                 case IEEE80211_CAP_DMG_PBSS:
2489                         s = "[PBSS]";
2490                         break;
2491                 default:
2492                         s = "";
2493                         break;
2494                 }
2495                 ret = os_snprintf(pos, end - pos, "%s", s);
2496                 if (os_snprintf_error(end - pos, ret))
2497                         return -1;
2498                 pos += ret;
2499         } else {
2500                 if (bss->caps & IEEE80211_CAP_IBSS) {
2501                         ret = os_snprintf(pos, end - pos, "[IBSS]");
2502                         if (os_snprintf_error(end - pos, ret))
2503                                 return -1;
2504                         pos += ret;
2505                 }
2506                 if (bss->caps & IEEE80211_CAP_ESS) {
2507                         ret = os_snprintf(pos, end - pos, "[ESS]");
2508                         if (os_snprintf_error(end - pos, ret))
2509                                 return -1;
2510                         pos += ret;
2511                 }
2512         }
2513         if (p2p) {
2514                 ret = os_snprintf(pos, end - pos, "[P2P]");
2515                 if (os_snprintf_error(end - pos, ret))
2516                         return -1;
2517                 pos += ret;
2518         }
2519 #ifdef CONFIG_HS20
2520         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2521                 ret = os_snprintf(pos, end - pos, "[HS20]");
2522                 if (os_snprintf_error(end - pos, ret))
2523                         return -1;
2524                 pos += ret;
2525         }
2526 #endif /* CONFIG_HS20 */
2527
2528         ret = os_snprintf(pos, end - pos, "\t%s",
2529                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2530         if (os_snprintf_error(end - pos, ret))
2531                 return -1;
2532         pos += ret;
2533
2534         ret = os_snprintf(pos, end - pos, "\n");
2535         if (os_snprintf_error(end - pos, ret))
2536                 return -1;
2537         pos += ret;
2538
2539         return pos - buf;
2540 }
2541
2542
2543 static int wpa_supplicant_ctrl_iface_scan_results(
2544         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2545 {
2546         char *pos, *end;
2547         struct wpa_bss *bss;
2548         int ret;
2549
2550         pos = buf;
2551         end = buf + buflen;
2552         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2553                           "flags / ssid\n");
2554         if (os_snprintf_error(end - pos, ret))
2555                 return pos - buf;
2556         pos += ret;
2557
2558         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2559                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2560                                                             end - pos);
2561                 if (ret < 0 || ret >= end - pos)
2562                         return pos - buf;
2563                 pos += ret;
2564         }
2565
2566         return pos - buf;
2567 }
2568
2569
2570 #ifdef CONFIG_MESH
2571
2572 static int wpa_supplicant_ctrl_iface_mesh_interface_add(
2573         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
2574 {
2575         char *pos, ifname[IFNAMSIZ + 1];
2576
2577         ifname[0] = '\0';
2578
2579         pos = os_strstr(cmd, "ifname=");
2580         if (pos) {
2581                 pos += 7;
2582                 os_strlcpy(ifname, pos, sizeof(ifname));
2583         }
2584
2585         if (wpas_mesh_add_interface(wpa_s, ifname, sizeof(ifname)) < 0)
2586                 return -1;
2587
2588         os_strlcpy(reply, ifname, max_len);
2589         return os_strlen(ifname);
2590 }
2591
2592
2593 static int wpa_supplicant_ctrl_iface_mesh_group_add(
2594         struct wpa_supplicant *wpa_s, char *cmd)
2595 {
2596         int id;
2597         struct wpa_ssid *ssid;
2598
2599         id = atoi(cmd);
2600         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_ADD id=%d", id);
2601
2602         ssid = wpa_config_get_network(wpa_s->conf, id);
2603         if (ssid == NULL) {
2604                 wpa_printf(MSG_DEBUG,
2605                            "CTRL_IFACE: Could not find network id=%d", id);
2606                 return -1;
2607         }
2608         if (ssid->mode != WPAS_MODE_MESH) {
2609                 wpa_printf(MSG_DEBUG,
2610                            "CTRL_IFACE: Cannot use MESH_GROUP_ADD on a non mesh network");
2611                 return -1;
2612         }
2613         if (ssid->key_mgmt != WPA_KEY_MGMT_NONE &&
2614             ssid->key_mgmt != WPA_KEY_MGMT_SAE) {
2615                 wpa_printf(MSG_ERROR,
2616                            "CTRL_IFACE: key_mgmt for mesh network should be open or SAE");
2617                 return -1;
2618         }
2619
2620         /*
2621          * TODO: If necessary write our own group_add function,
2622          * for now we can reuse select_network
2623          */
2624         wpa_supplicant_select_network(wpa_s, ssid);
2625
2626         return 0;
2627 }
2628
2629
2630 static int wpa_supplicant_ctrl_iface_mesh_group_remove(
2631         struct wpa_supplicant *wpa_s, char *cmd)
2632 {
2633         struct wpa_supplicant *orig;
2634         struct wpa_global *global;
2635         int found = 0;
2636
2637         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s", cmd);
2638
2639         global = wpa_s->global;
2640         orig = wpa_s;
2641
2642         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2643                 if (os_strcmp(wpa_s->ifname, cmd) == 0) {
2644                         found = 1;
2645                         break;
2646                 }
2647         }
2648         if (!found) {
2649                 wpa_printf(MSG_ERROR,
2650                            "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s not found",
2651                            cmd);
2652                 return -1;
2653         }
2654         if (wpa_s->mesh_if_created && wpa_s == orig) {
2655                 wpa_printf(MSG_ERROR,
2656                            "CTRL_IFACE: MESH_GROUP_REMOVE can't remove itself");
2657                 return -1;
2658         }
2659
2660         wpa_s->reassociate = 0;
2661         wpa_s->disconnected = 1;
2662         wpa_supplicant_cancel_sched_scan(wpa_s);
2663         wpa_supplicant_cancel_scan(wpa_s);
2664
2665         /*
2666          * TODO: If necessary write our own group_remove function,
2667          * for now we can reuse deauthenticate
2668          */
2669         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2670
2671         if (wpa_s->mesh_if_created)
2672                 wpa_supplicant_remove_iface(global, wpa_s, 0);
2673
2674         return 0;
2675 }
2676
2677 #endif /* CONFIG_MESH */
2678
2679
2680 static int wpa_supplicant_ctrl_iface_select_network(
2681         struct wpa_supplicant *wpa_s, char *cmd)
2682 {
2683         int id;
2684         struct wpa_ssid *ssid;
2685         char *pos;
2686
2687         /* cmd: "<network id>" or "any" */
2688         if (os_strncmp(cmd, "any", 3) == 0) {
2689                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2690                 ssid = NULL;
2691         } else {
2692                 id = atoi(cmd);
2693                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2694
2695                 ssid = wpa_config_get_network(wpa_s->conf, id);
2696                 if (ssid == NULL) {
2697                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2698                                    "network id=%d", id);
2699                         return -1;
2700                 }
2701                 if (ssid->disabled == 2) {
2702                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2703                                    "SELECT_NETWORK with persistent P2P group");
2704                         return -1;
2705                 }
2706         }
2707
2708         pos = os_strstr(cmd, " freq=");
2709         if (pos) {
2710                 int *freqs = freq_range_to_channel_list(wpa_s, pos + 6);
2711                 if (freqs) {
2712                         wpa_s->scan_req = MANUAL_SCAN_REQ;
2713                         os_free(wpa_s->manual_scan_freqs);
2714                         wpa_s->manual_scan_freqs = freqs;
2715                 }
2716         }
2717
2718         wpa_supplicant_select_network(wpa_s, ssid);
2719
2720         return 0;
2721 }
2722
2723
2724 static int wpa_supplicant_ctrl_iface_enable_network(
2725         struct wpa_supplicant *wpa_s, char *cmd)
2726 {
2727         int id;
2728         struct wpa_ssid *ssid;
2729
2730         /* cmd: "<network id>" or "all" */
2731         if (os_strcmp(cmd, "all") == 0) {
2732                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2733                 ssid = NULL;
2734         } else {
2735                 id = atoi(cmd);
2736                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2737
2738                 ssid = wpa_config_get_network(wpa_s->conf, id);
2739                 if (ssid == NULL) {
2740                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2741                                    "network id=%d", id);
2742                         return -1;
2743                 }
2744                 if (ssid->disabled == 2) {
2745                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2746                                    "ENABLE_NETWORK with persistent P2P group");
2747                         return -1;
2748                 }
2749
2750                 if (os_strstr(cmd, " no-connect")) {
2751                         ssid->disabled = 0;
2752                         return 0;
2753                 }
2754         }
2755         wpa_supplicant_enable_network(wpa_s, ssid);
2756
2757         return 0;
2758 }
2759
2760
2761 static int wpa_supplicant_ctrl_iface_disable_network(
2762         struct wpa_supplicant *wpa_s, char *cmd)
2763 {
2764         int id;
2765         struct wpa_ssid *ssid;
2766
2767         /* cmd: "<network id>" or "all" */
2768         if (os_strcmp(cmd, "all") == 0) {
2769                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2770                 ssid = NULL;
2771         } else {
2772                 id = atoi(cmd);
2773                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2774
2775                 ssid = wpa_config_get_network(wpa_s->conf, id);
2776                 if (ssid == NULL) {
2777                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2778                                    "network id=%d", id);
2779                         return -1;
2780                 }
2781                 if (ssid->disabled == 2) {
2782                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2783                                    "DISABLE_NETWORK with persistent P2P "
2784                                    "group");
2785                         return -1;
2786                 }
2787         }
2788         wpa_supplicant_disable_network(wpa_s, ssid);
2789
2790         return 0;
2791 }
2792
2793
2794 static int wpa_supplicant_ctrl_iface_add_network(
2795         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2796 {
2797         struct wpa_ssid *ssid;
2798         int ret;
2799
2800         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2801
2802         ssid = wpa_config_add_network(wpa_s->conf);
2803         if (ssid == NULL)
2804                 return -1;
2805
2806         wpas_notify_network_added(wpa_s, ssid);
2807
2808         ssid->disabled = 1;
2809         wpa_config_set_network_defaults(ssid);
2810
2811         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2812         if (os_snprintf_error(buflen, ret))
2813                 return -1;
2814         return ret;
2815 }
2816
2817
2818 static int wpa_supplicant_ctrl_iface_remove_network(
2819         struct wpa_supplicant *wpa_s, char *cmd)
2820 {
2821         int id;
2822         struct wpa_ssid *ssid;
2823         int was_disabled;
2824
2825         /* cmd: "<network id>" or "all" */
2826         if (os_strcmp(cmd, "all") == 0) {
2827                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2828                 if (wpa_s->sched_scanning)
2829                         wpa_supplicant_cancel_sched_scan(wpa_s);
2830
2831                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2832                 if (wpa_s->current_ssid) {
2833 #ifdef CONFIG_SME
2834                         wpa_s->sme.prev_bssid_set = 0;
2835 #endif /* CONFIG_SME */
2836                         wpa_sm_set_config(wpa_s->wpa, NULL);
2837                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2838                         wpa_supplicant_deauthenticate(
2839                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2840                 }
2841                 ssid = wpa_s->conf->ssid;
2842                 while (ssid) {
2843                         struct wpa_ssid *remove_ssid = ssid;
2844                         id = ssid->id;
2845                         ssid = ssid->next;
2846                         if (wpa_s->last_ssid == remove_ssid)
2847                                 wpa_s->last_ssid = NULL;
2848                         wpas_notify_network_removed(wpa_s, remove_ssid);
2849                         wpa_config_remove_network(wpa_s->conf, id);
2850                 }
2851                 return 0;
2852         }
2853
2854         id = atoi(cmd);
2855         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2856
2857         ssid = wpa_config_get_network(wpa_s->conf, id);
2858         if (ssid)
2859                 wpas_notify_network_removed(wpa_s, ssid);
2860         if (ssid == NULL) {
2861                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2862                            "id=%d", id);
2863                 return -1;
2864         }
2865
2866         if (wpa_s->last_ssid == ssid)
2867                 wpa_s->last_ssid = NULL;
2868
2869         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2870 #ifdef CONFIG_SME
2871                 wpa_s->sme.prev_bssid_set = 0;
2872 #endif /* CONFIG_SME */
2873                 /*
2874                  * Invalidate the EAP session cache if the current or
2875                  * previously used network is removed.
2876                  */
2877                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2878         }
2879
2880         if (ssid == wpa_s->current_ssid) {
2881                 wpa_sm_set_config(wpa_s->wpa, NULL);
2882                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2883
2884                 wpa_supplicant_deauthenticate(wpa_s,
2885                                               WLAN_REASON_DEAUTH_LEAVING);
2886         }
2887
2888         was_disabled = ssid->disabled;
2889
2890         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2891                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2892                            "network id=%d", id);
2893                 return -1;
2894         }
2895
2896         if (!was_disabled && wpa_s->sched_scanning) {
2897                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2898                            "network from filters");
2899                 wpa_supplicant_cancel_sched_scan(wpa_s);
2900                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2901         }
2902
2903         return 0;
2904 }
2905
2906
2907 static int wpa_supplicant_ctrl_iface_update_network(
2908         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
2909         char *name, char *value)
2910 {
2911         if (wpa_config_set(ssid, name, value, 0) < 0) {
2912                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2913                            "variable '%s'", name);
2914                 return -1;
2915         }
2916
2917         if (os_strcmp(name, "bssid") != 0 &&
2918             os_strcmp(name, "priority") != 0)
2919                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2920
2921         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2922                 /*
2923                  * Invalidate the EAP session cache if anything in the current
2924                  * or previously used configuration changes.
2925                  */
2926                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2927         }
2928
2929         if ((os_strcmp(name, "psk") == 0 &&
2930              value[0] == '"' && ssid->ssid_len) ||
2931             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2932                 wpa_config_update_psk(ssid);
2933         else if (os_strcmp(name, "priority") == 0)
2934                 wpa_config_update_prio_list(wpa_s->conf);
2935
2936         return 0;
2937 }
2938
2939
2940 static int wpa_supplicant_ctrl_iface_set_network(
2941         struct wpa_supplicant *wpa_s, char *cmd)
2942 {
2943         int id, ret, prev_bssid_set, prev_disabled;
2944         struct wpa_ssid *ssid;
2945         char *name, *value;
2946         u8 prev_bssid[ETH_ALEN];
2947
2948         /* cmd: "<network id> <variable name> <value>" */
2949         name = os_strchr(cmd, ' ');
2950         if (name == NULL)
2951                 return -1;
2952         *name++ = '\0';
2953
2954         value = os_strchr(name, ' ');
2955         if (value == NULL)
2956                 return -1;
2957         *value++ = '\0';
2958
2959         id = atoi(cmd);
2960         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2961                    id, name);
2962         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2963                               (u8 *) value, os_strlen(value));
2964
2965         ssid = wpa_config_get_network(wpa_s->conf, id);
2966         if (ssid == NULL) {
2967                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2968                            "id=%d", id);
2969                 return -1;
2970         }
2971
2972         prev_bssid_set = ssid->bssid_set;
2973         prev_disabled = ssid->disabled;
2974         os_memcpy(prev_bssid, ssid->bssid, ETH_ALEN);
2975         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid, name,
2976                                                        value);
2977         if (ret == 0 &&
2978             (ssid->bssid_set != prev_bssid_set ||
2979              os_memcmp(ssid->bssid, prev_bssid, ETH_ALEN) != 0))
2980                 wpas_notify_network_bssid_set_changed(wpa_s, ssid);
2981
2982         if (prev_disabled != ssid->disabled &&
2983             (prev_disabled == 2 || ssid->disabled == 2))
2984                 wpas_notify_network_type_changed(wpa_s, ssid);
2985
2986         return ret;
2987 }
2988
2989
2990 static int wpa_supplicant_ctrl_iface_get_network(
2991         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2992 {
2993         int id;
2994         size_t res;
2995         struct wpa_ssid *ssid;
2996         char *name, *value;
2997
2998         /* cmd: "<network id> <variable name>" */
2999         name = os_strchr(cmd, ' ');
3000         if (name == NULL || buflen == 0)
3001                 return -1;
3002         *name++ = '\0';
3003
3004         id = atoi(cmd);
3005         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
3006                    id, name);
3007
3008         ssid = wpa_config_get_network(wpa_s->conf, id);
3009         if (ssid == NULL) {
3010                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
3011                            "id=%d", id);
3012                 return -1;
3013         }
3014
3015         value = wpa_config_get_no_key(ssid, name);
3016         if (value == NULL) {
3017                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3018                            "variable '%s'", name);
3019                 return -1;
3020         }
3021
3022         res = os_strlcpy(buf, value, buflen);
3023         if (res >= buflen) {
3024                 os_free(value);
3025                 return -1;
3026         }
3027
3028         os_free(value);
3029
3030         return res;
3031 }
3032
3033
3034 static int wpa_supplicant_ctrl_iface_dup_network(
3035         struct wpa_supplicant *wpa_s, char *cmd)
3036 {
3037         struct wpa_ssid *ssid_s, *ssid_d;
3038         char *name, *id, *value;
3039         int id_s, id_d, ret;
3040
3041         /* cmd: "<src network id> <dst network id> <variable name>" */
3042         id = os_strchr(cmd, ' ');
3043         if (id == NULL)
3044                 return -1;
3045         *id++ = '\0';
3046
3047         name = os_strchr(id, ' ');
3048         if (name == NULL)
3049                 return -1;
3050         *name++ = '\0';
3051
3052         id_s = atoi(cmd);
3053         id_d = atoi(id);
3054         wpa_printf(MSG_DEBUG, "CTRL_IFACE: DUP_NETWORK id=%d -> %d name='%s'",
3055                    id_s, id_d, name);
3056
3057         ssid_s = wpa_config_get_network(wpa_s->conf, id_s);
3058         if (ssid_s == NULL) {
3059                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3060                            "network id=%d", id_s);
3061                 return -1;
3062         }
3063
3064         ssid_d = wpa_config_get_network(wpa_s->conf, id_d);
3065         if (ssid_d == NULL) {
3066                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3067                            "network id=%d", id_d);
3068                 return -1;
3069         }
3070
3071         value = wpa_config_get(ssid_s, name);
3072         if (value == NULL) {
3073                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3074                            "variable '%s'", name);
3075                 return -1;
3076         }
3077
3078         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid_d, name,
3079                                                        value);
3080
3081         os_free(value);
3082
3083         return ret;
3084 }
3085
3086
3087 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
3088                                                 char *buf, size_t buflen)
3089 {
3090         char *pos, *end;
3091         struct wpa_cred *cred;
3092         int ret;
3093
3094         pos = buf;
3095         end = buf + buflen;
3096         ret = os_snprintf(pos, end - pos,
3097                           "cred id / realm / username / domain / imsi\n");
3098         if (os_snprintf_error(end - pos, ret))
3099                 return pos - buf;
3100         pos += ret;
3101
3102         cred = wpa_s->conf->cred;
3103         while (cred) {
3104                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
3105                                   cred->id, cred->realm ? cred->realm : "",
3106                                   cred->username ? cred->username : "",
3107                                   cred->domain ? cred->domain[0] : "",
3108                                   cred->imsi ? cred->imsi : "");
3109                 if (os_snprintf_error(end - pos, ret))
3110                         return pos - buf;
3111                 pos += ret;
3112
3113                 cred = cred->next;
3114         }
3115
3116         return pos - buf;
3117 }
3118
3119
3120 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
3121                                               char *buf, size_t buflen)
3122 {
3123         struct wpa_cred *cred;
3124         int ret;
3125
3126         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
3127
3128         cred = wpa_config_add_cred(wpa_s->conf);
3129         if (cred == NULL)
3130                 return -1;
3131
3132         wpa_msg(wpa_s, MSG_INFO, CRED_ADDED "%d", cred->id);
3133
3134         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
3135         if (os_snprintf_error(buflen, ret))
3136                 return -1;
3137         return ret;
3138 }
3139
3140
3141 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
3142                                  struct wpa_cred *cred)
3143 {
3144         struct wpa_ssid *ssid;
3145         char str[20];
3146         int id;
3147
3148         if (cred == NULL) {
3149                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3150                 return -1;
3151         }
3152
3153         id = cred->id;
3154         if (wpa_config_remove_cred(wpa_s->conf, id) < 0) {
3155                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3156                 return -1;
3157         }
3158
3159         wpa_msg(wpa_s, MSG_INFO, CRED_REMOVED "%d", id);
3160
3161         /* Remove any network entry created based on the removed credential */
3162         ssid = wpa_s->conf->ssid;
3163         while (ssid) {
3164                 if (ssid->parent_cred == cred) {
3165                         int res;
3166
3167                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
3168                                    "used the removed credential", ssid->id);
3169                         res = os_snprintf(str, sizeof(str), "%d", ssid->id);
3170                         if (os_snprintf_error(sizeof(str), res))
3171                                 str[sizeof(str) - 1] = '\0';
3172                         ssid = ssid->next;
3173                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
3174                 } else
3175                         ssid = ssid->next;
3176         }
3177
3178         return 0;
3179 }
3180
3181
3182 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
3183                                                  char *cmd)
3184 {
3185         int id;
3186         struct wpa_cred *cred, *prev;
3187
3188         /* cmd: "<cred id>", "all", "sp_fqdn=<FQDN>", or
3189          * "provisioning_sp=<FQDN> */
3190         if (os_strcmp(cmd, "all") == 0) {
3191                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
3192                 cred = wpa_s->conf->cred;
3193                 while (cred) {
3194                         prev = cred;
3195                         cred = cred->next;
3196                         wpas_ctrl_remove_cred(wpa_s, prev);
3197                 }
3198                 return 0;
3199         }
3200
3201         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
3202                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
3203                            cmd + 8);
3204                 cred = wpa_s->conf->cred;
3205                 while (cred) {
3206                         prev = cred;
3207                         cred = cred->next;
3208                         if (prev->domain) {
3209                                 size_t i;
3210                                 for (i = 0; i < prev->num_domain; i++) {
3211                                         if (os_strcmp(prev->domain[i], cmd + 8)
3212                                             != 0)
3213                                                 continue;
3214                                         wpas_ctrl_remove_cred(wpa_s, prev);
3215                                         break;
3216                                 }
3217                         }
3218                 }
3219                 return 0;
3220         }
3221
3222         if (os_strncmp(cmd, "provisioning_sp=", 16) == 0) {
3223                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED provisioning SP FQDN '%s'",
3224                            cmd + 16);
3225                 cred = wpa_s->conf->cred;
3226                 while (cred) {
3227                         prev = cred;
3228                         cred = cred->next;
3229                         if (prev->provisioning_sp &&
3230                             os_strcmp(prev->provisioning_sp, cmd + 16) == 0)
3231                                 wpas_ctrl_remove_cred(wpa_s, prev);
3232                 }
3233                 return 0;
3234         }
3235
3236         id = atoi(cmd);
3237         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
3238
3239         cred = wpa_config_get_cred(wpa_s->conf, id);
3240         return wpas_ctrl_remove_cred(wpa_s, cred);
3241 }
3242
3243
3244 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
3245                                               char *cmd)
3246 {
3247         int id;
3248         struct wpa_cred *cred;
3249         char *name, *value;
3250
3251         /* cmd: "<cred id> <variable name> <value>" */
3252         name = os_strchr(cmd, ' ');
3253         if (name == NULL)
3254                 return -1;
3255         *name++ = '\0';
3256
3257         value = os_strchr(name, ' ');
3258         if (value == NULL)
3259                 return -1;
3260         *value++ = '\0';
3261
3262         id = atoi(cmd);
3263         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
3264                    id, name);
3265         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3266                               (u8 *) value, os_strlen(value));
3267
3268         cred = wpa_config_get_cred(wpa_s->conf, id);
3269         if (cred == NULL) {
3270                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3271                            id);
3272                 return -1;
3273         }
3274
3275         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
3276                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
3277                            "variable '%s'", name);
3278                 return -1;
3279         }
3280
3281         wpa_msg(wpa_s, MSG_INFO, CRED_MODIFIED "%d %s", cred->id, name);
3282
3283         return 0;
3284 }
3285
3286
3287 static int wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant *wpa_s,
3288                                               char *cmd, char *buf,
3289                                               size_t buflen)
3290 {
3291         int id;
3292         size_t res;
3293         struct wpa_cred *cred;
3294         char *name, *value;
3295
3296         /* cmd: "<cred id> <variable name>" */
3297         name = os_strchr(cmd, ' ');
3298         if (name == NULL)
3299                 return -1;
3300         *name++ = '\0';
3301
3302         id = atoi(cmd);
3303         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CRED id=%d name='%s'",
3304                    id, name);
3305
3306         cred = wpa_config_get_cred(wpa_s->conf, id);
3307         if (cred == NULL) {
3308                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3309                            id);
3310                 return -1;
3311         }
3312
3313         value = wpa_config_get_cred_no_key(cred, name);
3314         if (value == NULL) {
3315                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get cred variable '%s'",
3316                            name);
3317                 return -1;
3318         }
3319
3320         res = os_strlcpy(buf, value, buflen);
3321         if (res >= buflen) {
3322                 os_free(value);
3323                 return -1;
3324         }
3325
3326         os_free(value);
3327
3328         return res;
3329 }
3330
3331
3332 #ifndef CONFIG_NO_CONFIG_WRITE
3333 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
3334 {
3335         int ret;
3336
3337         if (!wpa_s->conf->update_config) {
3338                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
3339                            "to update configuration (update_config=0)");
3340                 return -1;
3341         }
3342
3343         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
3344         if (ret) {
3345                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
3346                            "update configuration");
3347         } else {
3348                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
3349                            " updated");
3350         }
3351
3352         return ret;
3353 }
3354 #endif /* CONFIG_NO_CONFIG_WRITE */
3355
3356
3357 struct cipher_info {
3358         unsigned int capa;
3359         const char *name;
3360         int group_only;
3361 };
3362
3363 static const struct cipher_info ciphers[] = {
3364         { WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
3365         { WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
3366         { WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
3367         { WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
3368         { WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
3369         { WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
3370         { WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
3371         { WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
3372 };
3373
3374 static const struct cipher_info ciphers_group_mgmt[] = {
3375         { WPA_DRIVER_CAPA_ENC_BIP, "AES-128-CMAC", 1 },
3376         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_128, "BIP-GMAC-128", 1 },
3377         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_256, "BIP-GMAC-256", 1 },
3378         { WPA_DRIVER_CAPA_ENC_BIP_CMAC_256, "BIP-CMAC-256", 1 },
3379 };
3380
3381
3382 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
3383                                               struct wpa_driver_capa *capa,
3384                                               char *buf, size_t buflen)
3385 {
3386         int ret;
3387         char *pos, *end;
3388         size_t len;
3389         unsigned int i;
3390
3391         pos = buf;
3392         end = pos + buflen;
3393
3394         if (res < 0) {
3395                 if (strict)
3396                         return 0;
3397                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
3398                 if (len >= buflen)
3399                         return -1;
3400                 return len;
3401         }
3402
3403         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3404                 if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
3405                         ret = os_snprintf(pos, end - pos, "%s%s",
3406                                           pos == buf ? "" : " ",
3407                                           ciphers[i].name);
3408                         if (os_snprintf_error(end - pos, ret))
3409                                 return pos - buf;
3410                         pos += ret;
3411                 }
3412         }
3413
3414         return pos - buf;
3415 }
3416
3417
3418 static int ctrl_iface_get_capability_group(int res, char *strict,
3419                                            struct wpa_driver_capa *capa,
3420                                            char *buf, size_t buflen)
3421 {
3422         int ret;
3423         char *pos, *end;
3424         size_t len;
3425         unsigned int i;
3426
3427         pos = buf;
3428         end = pos + buflen;
3429
3430         if (res < 0) {
3431                 if (strict)
3432                         return 0;
3433                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
3434                 if (len >= buflen)
3435                         return -1;
3436                 return len;
3437         }
3438
3439         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3440                 if (capa->enc & ciphers[i].capa) {
3441                         ret = os_snprintf(pos, end - pos, "%s%s",
3442                                           pos == buf ? "" : " ",
3443                                           ciphers[i].name);
3444                         if (os_snprintf_error(end - pos, ret))
3445                                 return pos - buf;
3446                         pos += ret;
3447                 }
3448         }
3449
3450         return pos - buf;
3451 }
3452
3453
3454 static int ctrl_iface_get_capability_group_mgmt(int res, char *strict,
3455                                                 struct wpa_driver_capa *capa,
3456                                                 char *buf, size_t buflen)
3457 {
3458         int ret;
3459         char *pos, *end;
3460         unsigned int i;
3461
3462         pos = buf;
3463         end = pos + buflen;
3464
3465         if (res < 0)
3466                 return 0;
3467
3468         for (i = 0; i < ARRAY_SIZE(ciphers_group_mgmt); i++) {
3469                 if (capa->enc & ciphers_group_mgmt[i].capa) {
3470                         ret = os_snprintf(pos, end - pos, "%s%s",
3471                                           pos == buf ? "" : " ",
3472                                           ciphers_group_mgmt[i].name);
3473                         if (os_snprintf_error(end - pos, ret))
3474                                 return pos - buf;
3475                         pos += ret;
3476                 }
3477         }
3478
3479         return pos - buf;
3480 }
3481
3482
3483 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
3484                                               struct wpa_driver_capa *capa,
3485                                               char *buf, size_t buflen)
3486 {
3487         int ret;
3488         char *pos, *end;
3489         size_t len;
3490
3491         pos = buf;
3492         end = pos + buflen;
3493
3494         if (res < 0) {
3495                 if (strict)
3496                         return 0;
3497                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
3498                                  "NONE", buflen);
3499                 if (len >= buflen)
3500                         return -1;
3501                 return len;
3502         }
3503
3504         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
3505         if (os_snprintf_error(end - pos, ret))
3506                 return pos - buf;
3507         pos += ret;
3508
3509         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3510                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
3511                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
3512                 if (os_snprintf_error(end - pos, ret))
3513                         return pos - buf;
3514                 pos += ret;
3515         }
3516
3517         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3518                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3519                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
3520                 if (os_snprintf_error(end - pos, ret))
3521                         return pos - buf;
3522                 pos += ret;
3523         }
3524
3525         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
3526                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
3527                 if (os_snprintf_error(end - pos, ret))
3528                         return pos - buf;
3529                 pos += ret;
3530         }
3531
3532 #ifdef CONFIG_SUITEB
3533         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B) {
3534                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B");
3535                 if (os_snprintf_error(end - pos, ret))
3536                         return pos - buf;
3537                 pos += ret;
3538         }
3539 #endif /* CONFIG_SUITEB */
3540 #ifdef CONFIG_SUITEB192
3541         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192) {
3542                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B-192");
3543                 if (os_snprintf_error(end - pos, ret))
3544                         return pos - buf;
3545                 pos += ret;
3546         }
3547 #endif /* CONFIG_SUITEB192 */
3548
3549         return pos - buf;
3550 }
3551
3552
3553 static int ctrl_iface_get_capability_proto(int res, char *strict,
3554                                            struct wpa_driver_capa *capa,
3555                                            char *buf, size_t buflen)
3556 {
3557         int ret;
3558         char *pos, *end;
3559         size_t len;
3560
3561         pos = buf;
3562         end = pos + buflen;
3563
3564         if (res < 0) {
3565                 if (strict)
3566                         return 0;
3567                 len = os_strlcpy(buf, "RSN WPA", buflen);
3568                 if (len >= buflen)
3569                         return -1;
3570                 return len;
3571         }
3572
3573         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3574                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3575                 ret = os_snprintf(pos, end - pos, "%sRSN",
3576                                   pos == buf ? "" : " ");
3577                 if (os_snprintf_error(end - pos, ret))
3578                         return pos - buf;
3579                 pos += ret;
3580         }
3581
3582         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3583                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
3584                 ret = os_snprintf(pos, end - pos, "%sWPA",
3585                                   pos == buf ? "" : " ");
3586                 if (os_snprintf_error(end - pos, ret))
3587                         return pos - buf;
3588                 pos += ret;
3589         }
3590
3591         return pos - buf;
3592 }
3593
3594
3595 static int ctrl_iface_get_capability_auth_alg(struct wpa_supplicant *wpa_s,
3596                                               int res, char *strict,
3597                                               struct wpa_driver_capa *capa,
3598                                               char *buf, size_t buflen)
3599 {
3600         int ret;
3601         char *pos, *end;
3602         size_t len;
3603
3604         pos = buf;
3605         end = pos + buflen;
3606
3607         if (res < 0) {
3608                 if (strict)
3609                         return 0;
3610                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3611                 if (len >= buflen)
3612                         return -1;
3613                 return len;
3614         }
3615
3616         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3617                 ret = os_snprintf(pos, end - pos, "%sOPEN",
3618                                   pos == buf ? "" : " ");
3619                 if (os_snprintf_error(end - pos, ret))
3620                         return pos - buf;
3621                 pos += ret;
3622         }
3623
3624         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
3625                 ret = os_snprintf(pos, end - pos, "%sSHARED",
3626                                   pos == buf ? "" : " ");
3627                 if (os_snprintf_error(end - pos, ret))
3628                         return pos - buf;
3629                 pos += ret;
3630         }
3631
3632         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3633                 ret = os_snprintf(pos, end - pos, "%sLEAP",
3634                                   pos == buf ? "" : " ");
3635                 if (os_snprintf_error(end - pos, ret))
3636                         return pos - buf;
3637                 pos += ret;
3638         }
3639
3640 #ifdef CONFIG_SAE
3641         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE) {
3642                 ret = os_snprintf(pos, end - pos, "%sSAE",
3643                                   pos == buf ? "" : " ");
3644                 if (os_snprintf_error(end - pos, ret))
3645                         return pos - buf;
3646                 pos += ret;
3647         }
3648 #endif /* CONFIG_SAE */
3649
3650         return pos - buf;
3651 }
3652
3653
3654 static int ctrl_iface_get_capability_modes(int res, char *strict,
3655                                            struct wpa_driver_capa *capa,
3656                                            char *buf, size_t buflen)
3657 {
3658         int ret;
3659         char *pos, *end;
3660         size_t len;
3661
3662         pos = buf;
3663         end = pos + buflen;
3664
3665         if (res < 0) {
3666                 if (strict)
3667                         return 0;
3668                 len = os_strlcpy(buf, "IBSS AP", buflen);
3669                 if (len >= buflen)
3670                         return -1;
3671                 return len;
3672         }
3673
3674         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3675                 ret = os_snprintf(pos, end - pos, "%sIBSS",
3676                                   pos == buf ? "" : " ");
3677                 if (os_snprintf_error(end - pos, ret))
3678                         return pos - buf;
3679                 pos += ret;
3680         }
3681
3682         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3683                 ret = os_snprintf(pos, end - pos, "%sAP",
3684                                   pos == buf ? "" : " ");
3685                 if (os_snprintf_error(end - pos, ret))
3686                         return pos - buf;
3687                 pos += ret;
3688         }
3689
3690 #ifdef CONFIG_MESH
3691         if (capa->flags & WPA_DRIVER_FLAGS_MESH) {
3692                 ret = os_snprintf(pos, end - pos, "%sMESH",
3693                                   pos == buf ? "" : " ");
3694                 if (os_snprintf_error(end - pos, ret))
3695                         return pos - buf;
3696                 pos += ret;
3697         }
3698 #endif /* CONFIG_MESH */
3699
3700         return pos - buf;
3701 }
3702
3703
3704 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3705                                               char *buf, size_t buflen)
3706 {
3707         struct hostapd_channel_data *chnl;
3708         int ret, i, j;
3709         char *pos, *end, *hmode;
3710
3711         pos = buf;
3712         end = pos + buflen;
3713
3714         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3715                 switch (wpa_s->hw.modes[j].mode) {
3716                 case HOSTAPD_MODE_IEEE80211B:
3717                         hmode = "B";
3718                         break;
3719                 case HOSTAPD_MODE_IEEE80211G:
3720                         hmode = "G";
3721                         break;
3722                 case HOSTAPD_MODE_IEEE80211A:
3723                         hmode = "A";
3724                         break;
3725                 case HOSTAPD_MODE_IEEE80211AD:
3726                         hmode = "AD";
3727                         break;
3728                 default:
3729                         continue;
3730                 }
3731                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3732                 if (os_snprintf_error(end - pos, ret))
3733                         return pos - buf;
3734                 pos += ret;
3735                 chnl = wpa_s->hw.modes[j].channels;
3736                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3737                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3738                                 continue;
3739                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3740                         if (os_snprintf_error(end - pos, ret))
3741                                 return pos - buf;
3742                         pos += ret;
3743                 }
3744                 ret = os_snprintf(pos, end - pos, "\n");
3745                 if (os_snprintf_error(end - pos, ret))
3746                         return pos - buf;
3747                 pos += ret;
3748         }
3749
3750         return pos - buf;
3751 }
3752
3753
3754 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3755                                           char *buf, size_t buflen)
3756 {
3757         struct hostapd_channel_data *chnl;
3758         int ret, i, j;
3759         char *pos, *end, *hmode;
3760
3761         pos = buf;
3762         end = pos + buflen;
3763
3764         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3765                 switch (wpa_s->hw.modes[j].mode) {
3766                 case HOSTAPD_MODE_IEEE80211B:
3767                         hmode = "B";
3768                         break;
3769                 case HOSTAPD_MODE_IEEE80211G:
3770                         hmode = "G";
3771                         break;
3772                 case HOSTAPD_MODE_IEEE80211A:
3773                         hmode = "A";
3774                         break;
3775                 case HOSTAPD_MODE_IEEE80211AD:
3776                         hmode = "AD";
3777                         break;
3778                 default:
3779                         continue;
3780                 }
3781                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3782                                   hmode);
3783                 if (os_snprintf_error(end - pos, ret))
3784                         return pos - buf;
3785                 pos += ret;
3786                 chnl = wpa_s->hw.modes[j].channels;
3787                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3788                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3789                                 continue;
3790                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s%s\n",
3791                                           chnl[i].chan, chnl[i].freq,
3792                                           chnl[i].flag & HOSTAPD_CHAN_NO_IR ?
3793                                           " (NO_IR)" : "",
3794                                           chnl[i].flag & HOSTAPD_CHAN_RADAR ?
3795                                           " (DFS)" : "");
3796
3797                         if (os_snprintf_error(end - pos, ret))
3798                                 return pos - buf;
3799                         pos += ret;
3800                 }
3801                 ret = os_snprintf(pos, end - pos, "\n");
3802                 if (os_snprintf_error(end - pos, ret))
3803                         return pos - buf;
3804                 pos += ret;
3805         }
3806
3807         return pos - buf;
3808 }
3809
3810
3811 static int wpa_supplicant_ctrl_iface_get_capability(
3812         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3813         size_t buflen)
3814 {
3815         struct wpa_driver_capa capa;
3816         int res;
3817         char *strict;
3818         char field[30];
3819         size_t len;
3820
3821         /* Determine whether or not strict checking was requested */
3822         len = os_strlcpy(field, _field, sizeof(field));
3823         if (len >= sizeof(field))
3824                 return -1;
3825         strict = os_strchr(field, ' ');
3826         if (strict != NULL) {
3827                 *strict++ = '\0';
3828                 if (os_strcmp(strict, "strict") != 0)
3829                         return -1;
3830         }
3831
3832         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3833                 field, strict ? strict : "");
3834
3835         if (os_strcmp(field, "eap") == 0) {
3836                 return eap_get_names(buf, buflen);
3837         }
3838
3839         res = wpa_drv_get_capa(wpa_s, &capa);
3840
3841         if (os_strcmp(field, "pairwise") == 0)
3842                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3843                                                           buf, buflen);
3844
3845         if (os_strcmp(field, "group") == 0)
3846                 return ctrl_iface_get_capability_group(res, strict, &capa,
3847                                                        buf, buflen);
3848
3849         if (os_strcmp(field, "group_mgmt") == 0)
3850                 return ctrl_iface_get_capability_group_mgmt(res, strict, &capa,
3851                                                             buf, buflen);
3852
3853         if (os_strcmp(field, "key_mgmt") == 0)
3854                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3855                                                           buf, buflen);
3856
3857         if (os_strcmp(field, "proto") == 0)
3858                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3859                                                        buf, buflen);
3860
3861         if (os_strcmp(field, "auth_alg") == 0)
3862                 return ctrl_iface_get_capability_auth_alg(wpa_s, res, strict,
3863                                                           &capa, buf, buflen);
3864
3865         if (os_strcmp(field, "modes") == 0)
3866                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3867                                                        buf, buflen);
3868
3869         if (os_strcmp(field, "channels") == 0)
3870                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3871
3872         if (os_strcmp(field, "freq") == 0)
3873                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3874
3875 #ifdef CONFIG_TDLS
3876         if (os_strcmp(field, "tdls") == 0)
3877                 return ctrl_iface_get_capability_tdls(wpa_s, buf, buflen);
3878 #endif /* CONFIG_TDLS */
3879
3880 #ifdef CONFIG_ERP
3881         if (os_strcmp(field, "erp") == 0) {
3882                 res = os_snprintf(buf, buflen, "ERP");
3883                 if (os_snprintf_error(buflen, res))
3884                         return -1;
3885                 return res;
3886         }
3887 #endif /* CONFIG_EPR */
3888
3889         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3890                    field);
3891
3892         return -1;
3893 }
3894
3895
3896 #ifdef CONFIG_INTERWORKING
3897 static char * anqp_add_hex(char *pos, char *end, const char *title,
3898                            struct wpabuf *data)
3899 {
3900         char *start = pos;
3901         size_t i;
3902         int ret;
3903         const u8 *d;
3904
3905         if (data == NULL)
3906                 return start;
3907
3908         ret = os_snprintf(pos, end - pos, "%s=", title);
3909         if (os_snprintf_error(end - pos, ret))
3910                 return start;
3911         pos += ret;
3912
3913         d = wpabuf_head_u8(data);
3914         for (i = 0; i < wpabuf_len(data); i++) {
3915                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3916                 if (os_snprintf_error(end - pos, ret))
3917                         return start;
3918                 pos += ret;
3919         }
3920
3921         ret = os_snprintf(pos, end - pos, "\n");
3922         if (os_snprintf_error(end - pos, ret))
3923                 return start;
3924         pos += ret;
3925
3926         return pos;
3927 }
3928 #endif /* CONFIG_INTERWORKING */
3929
3930
3931 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3932                           unsigned long mask, char *buf, size_t buflen)
3933 {
3934         size_t i;
3935         int ret;
3936         char *pos, *end;
3937         const u8 *ie, *ie2;
3938
3939         pos = buf;
3940         end = buf + buflen;
3941
3942         if (mask & WPA_BSS_MASK_ID) {
3943                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3944                 if (os_snprintf_error(end - pos, ret))
3945                         return 0;
3946                 pos += ret;
3947         }
3948
3949         if (mask & WPA_BSS_MASK_BSSID) {
3950                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3951                                   MAC2STR(bss->bssid));
3952                 if (os_snprintf_error(end - pos, ret))
3953                         return 0;
3954                 pos += ret;
3955         }
3956
3957         if (mask & WPA_BSS_MASK_FREQ) {
3958                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
3959                 if (os_snprintf_error(end - pos, ret))
3960                         return 0;
3961                 pos += ret;
3962         }
3963
3964         if (mask & WPA_BSS_MASK_BEACON_INT) {
3965                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
3966                                   bss->beacon_int);
3967                 if (os_snprintf_error(end - pos, ret))
3968                         return 0;
3969                 pos += ret;
3970         }
3971
3972         if (mask & WPA_BSS_MASK_CAPABILITIES) {
3973                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
3974                                   bss->caps);
3975                 if (os_snprintf_error(end - pos, ret))
3976                         return 0;
3977                 pos += ret;
3978         }
3979
3980         if (mask & WPA_BSS_MASK_QUAL) {
3981                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
3982                 if (os_snprintf_error(end - pos, ret))
3983                         return 0;
3984                 pos += ret;
3985         }
3986
3987         if (mask & WPA_BSS_MASK_NOISE) {
3988                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3989                 if (os_snprintf_error(end - pos, ret))
3990                         return 0;
3991                 pos += ret;
3992         }
3993
3994         if (mask & WPA_BSS_MASK_LEVEL) {
3995                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3996                 if (os_snprintf_error(end - pos, ret))
3997                         return 0;
3998                 pos += ret;
3999         }
4000
4001         if (mask & WPA_BSS_MASK_TSF) {
4002                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
4003                                   (unsigned long long) bss->tsf);
4004                 if (os_snprintf_error(end - pos, ret))
4005                         return 0;
4006                 pos += ret;
4007         }
4008
4009         if (mask & WPA_BSS_MASK_AGE) {
4010                 struct os_reltime now;
4011
4012                 os_get_reltime(&now);
4013                 ret = os_snprintf(pos, end - pos, "age=%d\n",
4014                                   (int) (now.sec - bss->last_update.sec));
4015                 if (os_snprintf_error(end - pos, ret))
4016                         return 0;
4017                 pos += ret;
4018         }
4019
4020         if (mask & WPA_BSS_MASK_IE) {
4021                 ret = os_snprintf(pos, end - pos, "ie=");
4022                 if (os_snprintf_error(end - pos, ret))
4023                         return 0;
4024                 pos += ret;
4025
4026                 ie = (const u8 *) (bss + 1);
4027                 for (i = 0; i < bss->ie_len; i++) {
4028                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
4029                         if (os_snprintf_error(end - pos, ret))
4030                                 return 0;
4031                         pos += ret;
4032                 }
4033
4034                 ret = os_snprintf(pos, end - pos, "\n");
4035                 if (os_snprintf_error(end - pos, ret))
4036                         return 0;
4037                 pos += ret;
4038         }
4039
4040         if (mask & WPA_BSS_MASK_FLAGS) {
4041                 ret = os_snprintf(pos, end - pos, "flags=");
4042                 if (os_snprintf_error(end - pos, ret))
4043                         return 0;
4044                 pos += ret;
4045
4046                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
4047                 if (ie)
4048                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
4049                                                     2 + ie[1]);
4050                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
4051                 if (ie2)
4052                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
4053                                                     2 + ie2[1]);
4054                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
4055                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
4056                         ret = os_snprintf(pos, end - pos, "[WEP]");
4057                         if (os_snprintf_error(end - pos, ret))
4058                                 return 0;
4059                         pos += ret;
4060                 }
4061                 if (bss_is_dmg(bss)) {
4062                         const char *s;
4063                         ret = os_snprintf(pos, end - pos, "[DMG]");
4064                         if (os_snprintf_error(end - pos, ret))
4065                                 return 0;
4066                         pos += ret;
4067                         switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
4068                         case IEEE80211_CAP_DMG_IBSS:
4069                                 s = "[IBSS]";
4070                                 break;
4071                         case IEEE80211_CAP_DMG_AP:
4072                                 s = "[ESS]";
4073                                 break;
4074                         case IEEE80211_CAP_DMG_PBSS:
4075                                 s = "[PBSS]";
4076                                 break;
4077                         default:
4078                                 s = "";
4079                                 break;
4080                         }
4081                         ret = os_snprintf(pos, end - pos, "%s", s);
4082                         if (os_snprintf_error(end - pos, ret))
4083                                 return 0;
4084                         pos += ret;
4085                 } else {
4086                         if (bss->caps & IEEE80211_CAP_IBSS) {
4087                                 ret = os_snprintf(pos, end - pos, "[IBSS]");
4088                                 if (os_snprintf_error(end - pos, ret))
4089                                         return 0;
4090                                 pos += ret;
4091                         }
4092                         if (bss->caps & IEEE80211_CAP_ESS) {
4093                                 ret = os_snprintf(pos, end - pos, "[ESS]");
4094                                 if (os_snprintf_error(end - pos, ret))
4095                                         return 0;
4096                                 pos += ret;
4097                         }
4098                 }
4099                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
4100                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
4101                         ret = os_snprintf(pos, end - pos, "[P2P]");
4102                         if (os_snprintf_error(end - pos, ret))
4103                                 return 0;
4104                         pos += ret;
4105                 }
4106 #ifdef CONFIG_HS20
4107                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
4108                         ret = os_snprintf(pos, end - pos, "[HS20]");
4109                         if (os_snprintf_error(end - pos, ret))
4110                                 return 0;
4111                         pos += ret;
4112                 }
4113 #endif /* CONFIG_HS20 */
4114
4115                 ret = os_snprintf(pos, end - pos, "\n");
4116                 if (os_snprintf_error(end - pos, ret))
4117                         return 0;
4118                 pos += ret;
4119         }
4120
4121         if (mask & WPA_BSS_MASK_SSID) {
4122                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
4123                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
4124                 if (os_snprintf_error(end - pos, ret))
4125                         return 0;
4126                 pos += ret;
4127         }
4128
4129 #ifdef CONFIG_WPS
4130         if (mask & WPA_BSS_MASK_WPS_SCAN) {
4131                 ie = (const u8 *) (bss + 1);
4132                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
4133                 if (ret < 0 || ret >= end - pos)
4134                         return 0;
4135                 pos += ret;
4136         }
4137 #endif /* CONFIG_WPS */
4138
4139 #ifdef CONFIG_P2P
4140         if (mask & WPA_BSS_MASK_P2P_SCAN) {
4141                 ie = (const u8 *) (bss + 1);
4142                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
4143                 if (ret < 0 || ret >= end - pos)
4144                         return 0;
4145                 pos += ret;
4146         }
4147 #endif /* CONFIG_P2P */
4148
4149 #ifdef CONFIG_WIFI_DISPLAY
4150         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
4151                 struct wpabuf *wfd;
4152                 ie = (const u8 *) (bss + 1);
4153                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
4154                                                   WFD_IE_VENDOR_TYPE);
4155                 if (wfd) {
4156                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
4157                         if (os_snprintf_error(end - pos, ret)) {
4158                                 wpabuf_free(wfd);
4159                                 return 0;
4160                         }
4161                         pos += ret;
4162
4163                         pos += wpa_snprintf_hex(pos, end - pos,
4164                                                 wpabuf_head(wfd),
4165                                                 wpabuf_len(wfd));
4166                         wpabuf_free(wfd);
4167
4168                         ret = os_snprintf(pos, end - pos, "\n");
4169                         if (os_snprintf_error(end - pos, ret))
4170                                 return 0;
4171                         pos += ret;
4172                 }
4173         }
4174 #endif /* CONFIG_WIFI_DISPLAY */
4175
4176 #ifdef CONFIG_INTERWORKING
4177         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
4178                 struct wpa_bss_anqp *anqp = bss->anqp;
4179                 pos = anqp_add_hex(pos, end, "anqp_capability_list",
4180                                    anqp->capability_list);
4181                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
4182                                    anqp->venue_name);
4183                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
4184                                    anqp->network_auth_type);
4185                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
4186                                    anqp->roaming_consortium);
4187                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
4188                                    anqp->ip_addr_type_availability);
4189                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
4190                                    anqp->nai_realm);
4191                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
4192                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
4193                                    anqp->domain_name);
4194 #ifdef CONFIG_HS20
4195                 pos = anqp_add_hex(pos, end, "hs20_capability_list",
4196                                    anqp->hs20_capability_list);
4197                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
4198                                    anqp->hs20_operator_friendly_name);
4199                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
4200                                    anqp->hs20_wan_metrics);
4201                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
4202                                    anqp->hs20_connection_capability);
4203                 pos = anqp_add_hex(pos, end, "hs20_operating_class",
4204                                    anqp->hs20_operating_class);
4205                 pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
4206                                    anqp->hs20_osu_providers_list);
4207 #endif /* CONFIG_HS20 */
4208         }
4209 #endif /* CONFIG_INTERWORKING */
4210
4211 #ifdef CONFIG_MESH
4212         if (mask & WPA_BSS_MASK_MESH_SCAN) {
4213                 ie = (const u8 *) (bss + 1);
4214                 ret = wpas_mesh_scan_result_text(ie, bss->ie_len, pos, end);
4215                 if (ret < 0 || ret >= end - pos)
4216                         return 0;
4217                 pos += ret;
4218         }
4219 #endif /* CONFIG_MESH */
4220
4221         if (mask & WPA_BSS_MASK_SNR) {
4222                 ret = os_snprintf(pos, end - pos, "snr=%d\n", bss->snr);
4223                 if (os_snprintf_error(end - pos, ret))
4224                         return 0;
4225                 pos += ret;
4226         }
4227
4228         if (mask & WPA_BSS_MASK_EST_THROUGHPUT) {
4229                 ret = os_snprintf(pos, end - pos, "est_throughput=%d\n",
4230                                   bss->est_throughput);
4231                 if (os_snprintf_error(end - pos, ret))
4232                         return 0;
4233                 pos += ret;
4234         }
4235
4236         if (mask & WPA_BSS_MASK_DELIM) {
4237                 ret = os_snprintf(pos, end - pos, "====\n");
4238                 if (os_snprintf_error(end - pos, ret))
4239                         return 0;
4240                 pos += ret;
4241         }
4242
4243         return pos - buf;
4244 }
4245
4246
4247 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
4248                                          const char *cmd, char *buf,
4249                                          size_t buflen)
4250 {
4251         u8 bssid[ETH_ALEN];
4252         size_t i;
4253         struct wpa_bss *bss;
4254         struct wpa_bss *bsslast = NULL;
4255         struct dl_list *next;
4256         int ret = 0;
4257         int len;
4258         char *ctmp, *end = buf + buflen;
4259         unsigned long mask = WPA_BSS_MASK_ALL;
4260
4261         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
4262                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
4263                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
4264                                             list_id);
4265                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
4266                                                list_id);
4267                 } else { /* N1-N2 */
4268                         unsigned int id1, id2;
4269
4270                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
4271                                 wpa_printf(MSG_INFO, "Wrong BSS range "
4272                                            "format");
4273                                 return 0;
4274                         }
4275
4276                         if (*(cmd + 6) == '-')
4277                                 id1 = 0;
4278                         else
4279                                 id1 = atoi(cmd + 6);
4280                         ctmp++;
4281                         if (*ctmp >= '0' && *ctmp <= '9')
4282                                 id2 = atoi(ctmp);
4283                         else
4284                                 id2 = (unsigned int) -1;
4285                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
4286                         if (id2 == (unsigned int) -1)
4287                                 bsslast = dl_list_last(&wpa_s->bss_id,
4288                                                        struct wpa_bss,
4289                                                        list_id);
4290                         else {
4291                                 bsslast = wpa_bss_get_id(wpa_s, id2);
4292                                 if (bsslast == NULL && bss && id2 > id1) {
4293                                         struct wpa_bss *tmp = bss;
4294                                         for (;;) {
4295                                                 next = tmp->list_id.next;
4296                                                 if (next == &wpa_s->bss_id)
4297                                                         break;
4298                                                 tmp = dl_list_entry(
4299                                                         next, struct wpa_bss,
4300                                                         list_id);
4301                                                 if (tmp->id > id2)
4302                                                         break;
4303                                                 bsslast = tmp;
4304                                         }
4305                                 }
4306                         }
4307                 }
4308         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
4309                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
4310         else if (os_strncmp(cmd, "LAST", 4) == 0)
4311                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
4312         else if (os_strncmp(cmd, "ID-", 3) == 0) {
4313                 i = atoi(cmd + 3);
4314                 bss = wpa_bss_get_id(wpa_s, i);
4315         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4316                 i = atoi(cmd + 5);
4317                 bss = wpa_bss_get_id(wpa_s, i);
4318                 if (bss) {
4319                         next = bss->list_id.next;
4320                         if (next == &wpa_s->bss_id)
4321                                 bss = NULL;
4322                         else
4323                                 bss = dl_list_entry(next, struct wpa_bss,
4324                                                     list_id);
4325                 }
4326 #ifdef CONFIG_P2P
4327         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
4328                 if (hwaddr_aton(cmd + 13, bssid) == 0)
4329                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
4330                 else
4331                         bss = NULL;
4332 #endif /* CONFIG_P2P */
4333         } else if (hwaddr_aton(cmd, bssid) == 0)
4334                 bss = wpa_bss_get_bssid(wpa_s, bssid);
4335         else {
4336                 struct wpa_bss *tmp;
4337                 i = atoi(cmd);
4338                 bss = NULL;
4339                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
4340                 {
4341                         if (i-- == 0) {
4342                                 bss = tmp;
4343                                 break;
4344                         }
4345                 }
4346         }
4347
4348         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
4349                 mask = strtoul(ctmp + 5, NULL, 0x10);
4350                 if (mask == 0)
4351                         mask = WPA_BSS_MASK_ALL;
4352         }
4353
4354         if (bss == NULL)
4355                 return 0;
4356
4357         if (bsslast == NULL)
4358                 bsslast = bss;
4359         do {
4360                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
4361                 ret += len;
4362                 buf += len;
4363                 buflen -= len;
4364                 if (bss == bsslast) {
4365                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
4366                             (bss == dl_list_last(&wpa_s->bss_id,
4367                                                  struct wpa_bss, list_id))) {
4368                                 int res;
4369
4370                                 res = os_snprintf(buf - 5, end - buf + 5,
4371                                                   "####\n");
4372                                 if (os_snprintf_error(end - buf + 5, res)) {
4373                                         wpa_printf(MSG_DEBUG,
4374                                                    "Could not add end delim");
4375                                 }
4376                         }
4377                         break;
4378                 }
4379                 next = bss->list_id.next;
4380                 if (next == &wpa_s->bss_id)
4381                         break;
4382                 bss = dl_list_entry(next, struct wpa_bss, list_id);
4383         } while (bss && len);
4384
4385         return ret;
4386 }
4387
4388
4389 static int wpa_supplicant_ctrl_iface_ap_scan(
4390         struct wpa_supplicant *wpa_s, char *cmd)
4391 {
4392         int ap_scan = atoi(cmd);
4393         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
4394 }
4395
4396
4397 static int wpa_supplicant_ctrl_iface_scan_interval(
4398         struct wpa_supplicant *wpa_s, char *cmd)
4399 {
4400         int scan_int = atoi(cmd);
4401         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
4402 }
4403
4404
4405 static int wpa_supplicant_ctrl_iface_bss_expire_age(
4406         struct wpa_supplicant *wpa_s, char *cmd)
4407 {
4408         int expire_age = atoi(cmd);
4409         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
4410 }
4411
4412
4413 static int wpa_supplicant_ctrl_iface_bss_expire_count(
4414         struct wpa_supplicant *wpa_s, char *cmd)
4415 {
4416         int expire_count = atoi(cmd);
4417         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
4418 }
4419
4420
4421 static void wpa_supplicant_ctrl_iface_bss_flush(
4422         struct wpa_supplicant *wpa_s, char *cmd)
4423 {
4424         int flush_age = atoi(cmd);
4425
4426         if (flush_age == 0)
4427                 wpa_bss_flush(wpa_s);
4428         else
4429                 wpa_bss_flush_by_age(wpa_s, flush_age);
4430 }
4431
4432
4433 #ifdef CONFIG_TESTING_OPTIONS
4434 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
4435 {
4436         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
4437         /* MLME-DELETEKEYS.request */
4438         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
4439         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
4440         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
4441         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
4442 #ifdef CONFIG_IEEE80211W
4443         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
4444         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
4445 #endif /* CONFIG_IEEE80211W */
4446
4447         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
4448                         0);
4449         /* MLME-SETPROTECTION.request(None) */
4450         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
4451                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
4452                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
4453         wpa_sm_drop_sa(wpa_s->wpa);
4454 }
4455 #endif /* CONFIG_TESTING_OPTIONS */
4456
4457
4458 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
4459                                           char *addr)
4460 {
4461 #ifdef CONFIG_NO_SCAN_PROCESSING
4462         return -1;
4463 #else /* CONFIG_NO_SCAN_PROCESSING */
4464         u8 bssid[ETH_ALEN];
4465         struct wpa_bss *bss;
4466         struct wpa_ssid *ssid = wpa_s->current_ssid;
4467
4468         if (hwaddr_aton(addr, bssid)) {
4469                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
4470                            "address '%s'", addr);
4471                 return -1;
4472         }
4473
4474         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
4475
4476         if (!ssid) {
4477                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
4478                            "configuration known for the target AP");
4479                 return -1;
4480         }
4481
4482         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
4483         if (!bss) {
4484                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
4485                            "from BSS table");
4486                 return -1;
4487         }
4488
4489         /*
4490          * TODO: Find best network configuration block from configuration to
4491          * allow roaming to other networks
4492          */
4493
4494         wpa_s->reassociate = 1;
4495         wpa_supplicant_connect(wpa_s, bss, ssid);
4496
4497         return 0;
4498 #endif /* CONFIG_NO_SCAN_PROCESSING */
4499 }
4500
4501
4502 #ifdef CONFIG_P2P
4503 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
4504 {
4505         unsigned int timeout = atoi(cmd);
4506         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
4507         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
4508         u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
4509         char *pos;
4510         unsigned int search_delay;
4511         const char *_seek[P2P_MAX_QUERY_HASH + 1], **seek = NULL;
4512         u8 seek_count = 0;
4513         int freq = 0;
4514
4515         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4516                 wpa_dbg(wpa_s, MSG_INFO,
4517                         "Reject P2P_FIND since interface is disabled");
4518                 return -1;
4519         }
4520         if (os_strstr(cmd, "type=social"))
4521                 type = P2P_FIND_ONLY_SOCIAL;
4522         else if (os_strstr(cmd, "type=progressive"))
4523                 type = P2P_FIND_PROGRESSIVE;
4524
4525         pos = os_strstr(cmd, "dev_id=");
4526         if (pos) {
4527                 pos += 7;
4528                 if (hwaddr_aton(pos, dev_id))
4529                         return -1;
4530                 _dev_id = dev_id;
4531         }
4532
4533         pos = os_strstr(cmd, "dev_type=");
4534         if (pos) {
4535                 pos += 9;
4536                 if (wps_dev_type_str2bin(pos, dev_type) < 0)
4537                         return -1;
4538                 _dev_type = dev_type;
4539         }
4540
4541         pos = os_strstr(cmd, "delay=");
4542         if (pos) {
4543                 pos += 6;
4544                 search_delay = atoi(pos);
4545         } else
4546                 search_delay = wpas_p2p_search_delay(wpa_s);
4547
4548         /* Must be searched for last, because it adds nul termination */
4549         pos = os_strstr(cmd, " seek=");
4550         while (pos && seek_count < P2P_MAX_QUERY_HASH + 1) {
4551                 char *term;
4552
4553                 term = os_strchr(pos + 1, ' ');
4554                 _seek[seek_count++] = pos + 6;
4555                 seek = _seek;
4556                 pos = os_strstr(pos + 6, " seek=");
4557
4558                 if (term)
4559                         *term = '\0';
4560         }
4561         if (seek_count > P2P_MAX_QUERY_HASH) {
4562                 seek[0] = NULL;
4563                 seek_count = 1;
4564         }
4565
4566         pos = os_strstr(cmd, "freq=");
4567         if (pos) {
4568                 pos += 5;
4569                 freq = atoi(pos);
4570                 if (freq <= 0)
4571                         return -1;
4572         }
4573
4574         return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
4575                              _dev_id, search_delay, seek_count, seek, freq);
4576 }
4577
4578
4579 static struct p2ps_provision * p2p_parse_asp_provision_cmd(const char *cmd)
4580 {
4581         struct p2ps_provision *p2ps_prov;
4582         char *pos;
4583         size_t info_len = 0;
4584         char *info = NULL;
4585         u8 role = P2PS_SETUP_NONE;
4586         long long unsigned val;
4587
4588         pos = os_strstr(cmd, "info=");
4589         if (pos) {
4590                 pos += 5;
4591                 info_len = os_strlen(pos);
4592
4593                 if (info_len) {
4594                         info = os_malloc(info_len + 1);
4595                         if (info) {
4596                                 info_len = utf8_unescape(pos, info_len,
4597                                                          info, info_len + 1);
4598                         } else
4599                                 info_len = 0;
4600                 }
4601         }
4602
4603         p2ps_prov = os_zalloc(sizeof(struct p2ps_provision) + info_len + 1);
4604         if (p2ps_prov == NULL) {
4605                 os_free(info);
4606                 return NULL;
4607         }
4608
4609         if (info) {
4610                 os_memcpy(p2ps_prov->info, info, info_len);
4611                 p2ps_prov->info[info_len] = '\0';
4612                 os_free(info);
4613         }
4614
4615         pos = os_strstr(cmd, "status=");
4616         if (pos)
4617                 p2ps_prov->status = atoi(pos + 7);
4618         else
4619                 p2ps_prov->status = -1;
4620
4621         pos = os_strstr(cmd, "adv_id=");
4622         if (!pos || sscanf(pos + 7, "%llx", &val) != 1 || val > 0xffffffffULL)
4623                 goto invalid_args;
4624         p2ps_prov->adv_id = val;
4625
4626         pos = os_strstr(cmd, "method=");
4627         if (pos)
4628                 p2ps_prov->method = strtol(pos + 7, NULL, 16);
4629         else
4630                 p2ps_prov->method = 0;
4631
4632         pos = os_strstr(cmd, "session=");
4633         if (!pos || sscanf(pos + 8, "%llx", &val) != 1 || val > 0xffffffffULL)
4634                 goto invalid_args;
4635         p2ps_prov->session_id = val;
4636
4637         pos = os_strstr(cmd, "adv_mac=");
4638         if (!pos || hwaddr_aton(pos + 8, p2ps_prov->adv_mac))
4639                 goto invalid_args;
4640
4641         pos = os_strstr(cmd, "session_mac=");
4642         if (!pos || hwaddr_aton(pos + 12, p2ps_prov->session_mac))
4643                 goto invalid_args;
4644
4645         /* force conncap with tstCap (no sanity checks) */
4646         pos = os_strstr(cmd, "tstCap=");
4647         if (pos) {
4648                 role = strtol(pos + 7, NULL, 16);
4649         } else {
4650                 pos = os_strstr(cmd, "role=");
4651                 if (pos) {
4652                         role = strtol(pos + 5, NULL, 16);
4653                         if (role != P2PS_SETUP_CLIENT &&
4654                             role != P2PS_SETUP_GROUP_OWNER)
4655                                 role = P2PS_SETUP_NONE;
4656                 }
4657         }
4658         p2ps_prov->role = role;
4659
4660         return p2ps_prov;
4661
4662 invalid_args:
4663         os_free(p2ps_prov);
4664         return NULL;
4665 }
4666
4667
4668 static int p2p_ctrl_asp_provision_resp(struct wpa_supplicant *wpa_s, char *cmd)
4669 {
4670         u8 addr[ETH_ALEN];
4671         struct p2ps_provision *p2ps_prov;
4672         char *pos;
4673
4674         /* <addr> id=<adv_id> [role=<conncap>] [info=<infodata>] */
4675
4676         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4677
4678         if (hwaddr_aton(cmd, addr))
4679                 return -1;
4680
4681         pos = cmd + 17;
4682         if (*pos != ' ')
4683                 return -1;
4684
4685         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4686         if (!p2ps_prov)
4687                 return -1;
4688
4689         if (p2ps_prov->status < 0) {
4690                 os_free(p2ps_prov);
4691                 return -1;
4692         }
4693
4694         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4695                                   p2ps_prov);
4696 }
4697
4698
4699 static int p2p_ctrl_asp_provision(struct wpa_supplicant *wpa_s, char *cmd)
4700 {
4701         u8 addr[ETH_ALEN];
4702         struct p2ps_provision *p2ps_prov;
4703         char *pos;
4704
4705         /* <addr> id=<adv_id> adv_mac=<adv_mac> conncap=<conncap>
4706          *        session=<ses_id> mac=<ses_mac> [info=<infodata>]
4707          */
4708
4709         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4710         if (hwaddr_aton(cmd, addr))
4711                 return -1;
4712
4713         pos = cmd + 17;
4714         if (*pos != ' ')
4715                 return -1;
4716
4717         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4718         if (!p2ps_prov)
4719                 return -1;
4720
4721         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4722                                   p2ps_prov);
4723 }
4724
4725
4726 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
4727                             char *buf, size_t buflen)
4728 {
4729         u8 addr[ETH_ALEN];
4730         char *pos, *pos2;
4731         char *pin = NULL;
4732         enum p2p_wps_method wps_method;
4733         int new_pin;
4734         int ret;
4735         int persistent_group, persistent_id = -1;
4736         int join;
4737         int auth;
4738         int automatic;
4739         int go_intent = -1;
4740         int freq = 0;
4741         int pd;
4742         int ht40, vht;
4743
4744         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad|p2ps]
4745          * [persistent|persistent=<network id>]
4746          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
4747          * [ht40] [vht] [auto] */
4748
4749         if (hwaddr_aton(cmd, addr))
4750                 return -1;
4751
4752         pos = cmd + 17;
4753         if (*pos != ' ')
4754                 return -1;
4755         pos++;
4756
4757         persistent_group = os_strstr(pos, " persistent") != NULL;
4758         pos2 = os_strstr(pos, " persistent=");
4759         if (pos2) {
4760                 struct wpa_ssid *ssid;
4761                 persistent_id = atoi(pos2 + 12);
4762                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
4763                 if (ssid == NULL || ssid->disabled != 2 ||
4764                     ssid->mode != WPAS_MODE_P2P_GO) {
4765                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
4766                                    "SSID id=%d for persistent P2P group (GO)",
4767                                    persistent_id);
4768                         return -1;
4769                 }
4770         }
4771         join = os_strstr(pos, " join") != NULL;
4772         auth = os_strstr(pos, " auth") != NULL;
4773         automatic = os_strstr(pos, " auto") != NULL;
4774         pd = os_strstr(pos, " provdisc") != NULL;
4775         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4776         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4777                 vht;
4778
4779         pos2 = os_strstr(pos, " go_intent=");
4780         if (pos2) {
4781                 pos2 += 11;
4782                 go_intent = atoi(pos2);
4783                 if (go_intent < 0 || go_intent > 15)
4784                         return -1;
4785         }
4786
4787         pos2 = os_strstr(pos, " freq=");
4788         if (pos2) {
4789                 pos2 += 6;
4790                 freq = atoi(pos2);
4791                 if (freq <= 0)
4792                         return -1;
4793         }
4794
4795         if (os_strncmp(pos, "pin", 3) == 0) {
4796                 /* Request random PIN (to be displayed) and enable the PIN */
4797                 wps_method = WPS_PIN_DISPLAY;
4798         } else if (os_strncmp(pos, "pbc", 3) == 0) {
4799                 wps_method = WPS_PBC;
4800         } else {
4801                 pin = pos;
4802                 pos = os_strchr(pin, ' ');
4803                 wps_method = WPS_PIN_KEYPAD;
4804                 if (pos) {
4805                         *pos++ = '\0';
4806                         if (os_strncmp(pos, "display", 7) == 0)
4807                                 wps_method = WPS_PIN_DISPLAY;
4808                         else if (os_strncmp(pos, "p2ps", 4) == 0)
4809                                 wps_method = WPS_P2PS;
4810                 }
4811                 if (!wps_pin_str_valid(pin)) {
4812                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
4813                         return 17;
4814                 }
4815         }
4816
4817         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
4818                                    persistent_group, automatic, join,
4819                                    auth, go_intent, freq, persistent_id, pd,
4820                                    ht40, vht);
4821         if (new_pin == -2) {
4822                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
4823                 return 25;
4824         }
4825         if (new_pin == -3) {
4826                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
4827                 return 25;
4828         }
4829         if (new_pin < 0)
4830                 return -1;
4831         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
4832                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
4833                 if (os_snprintf_error(buflen, ret))
4834                         return -1;
4835                 return ret;
4836         }
4837
4838         os_memcpy(buf, "OK\n", 3);
4839         return 3;
4840 }
4841
4842
4843 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
4844 {
4845         unsigned int timeout = atoi(cmd);
4846         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4847                 wpa_dbg(wpa_s, MSG_INFO,
4848                         "Reject P2P_LISTEN since interface is disabled");
4849                 return -1;
4850         }
4851         return wpas_p2p_listen(wpa_s, timeout);
4852 }
4853
4854
4855 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
4856 {
4857         u8 addr[ETH_ALEN];
4858         char *pos;
4859         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
4860
4861         /* <addr> <config method> [join|auto] */
4862
4863         if (hwaddr_aton(cmd, addr))
4864                 return -1;
4865
4866         pos = cmd + 17;
4867         if (*pos != ' ')
4868                 return -1;
4869         pos++;
4870
4871         if (os_strstr(pos, " join") != NULL)
4872                 use = WPAS_P2P_PD_FOR_JOIN;
4873         else if (os_strstr(pos, " auto") != NULL)
4874                 use = WPAS_P2P_PD_AUTO;
4875
4876         return wpas_p2p_prov_disc(wpa_s, addr, pos, use, NULL);
4877 }
4878
4879
4880 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
4881                               size_t buflen)
4882 {
4883         struct wpa_ssid *ssid = wpa_s->current_ssid;
4884
4885         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
4886             ssid->passphrase == NULL)
4887                 return -1;
4888
4889         os_strlcpy(buf, ssid->passphrase, buflen);
4890         return os_strlen(buf);
4891 }
4892
4893
4894 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
4895                                   char *buf, size_t buflen)
4896 {
4897         u64 ref;
4898         int res;
4899         u8 dst_buf[ETH_ALEN], *dst;
4900         struct wpabuf *tlvs;
4901         char *pos;
4902         size_t len;
4903
4904         if (hwaddr_aton(cmd, dst_buf))
4905                 return -1;
4906         dst = dst_buf;
4907         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
4908             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
4909                 dst = NULL;
4910         pos = cmd + 17;
4911         if (*pos != ' ')
4912                 return -1;
4913         pos++;
4914
4915         if (os_strncmp(pos, "upnp ", 5) == 0) {
4916                 u8 version;
4917                 pos += 5;
4918                 if (hexstr2bin(pos, &version, 1) < 0)
4919                         return -1;
4920                 pos += 2;
4921                 if (*pos != ' ')
4922                         return -1;
4923                 pos++;
4924                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
4925 #ifdef CONFIG_WIFI_DISPLAY
4926         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
4927                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
4928 #endif /* CONFIG_WIFI_DISPLAY */
4929         } else if (os_strncmp(pos, "asp ", 4) == 0) {
4930                 char *svc_str;
4931                 char *svc_info = NULL;
4932                 u32 id;
4933
4934                 pos += 4;
4935                 if (sscanf(pos, "%x", &id) != 1 || id > 0xff)
4936                         return -1;
4937
4938                 pos = os_strchr(pos, ' ');
4939                 if (pos == NULL || pos[1] == '\0' || pos[1] == ' ')
4940                         return -1;
4941
4942                 svc_str = pos + 1;
4943
4944                 pos = os_strchr(svc_str, ' ');
4945
4946                 if (pos)
4947                         *pos++ = '\0';
4948
4949                 /* All remaining data is the svc_info string */
4950                 if (pos && pos[0] && pos[0] != ' ') {
4951                         len = os_strlen(pos);
4952
4953                         /* Unescape in place */
4954                         len = utf8_unescape(pos, len, pos, len);
4955                         if (len > 0xff)
4956                                 return -1;
4957
4958                         svc_info = pos;
4959                 }
4960
4961                 ref = wpas_p2p_sd_request_asp(wpa_s, dst, (u8) id,
4962                                               svc_str, svc_info);
4963         } else {
4964                 len = os_strlen(pos);
4965                 if (len & 1)
4966                         return -1;
4967                 len /= 2;
4968                 tlvs = wpabuf_alloc(len);
4969                 if (tlvs == NULL)
4970                         return -1;
4971                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
4972                         wpabuf_free(tlvs);
4973                         return -1;
4974                 }
4975
4976                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
4977                 wpabuf_free(tlvs);
4978         }
4979         if (ref == 0)
4980                 return -1;
4981         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
4982         if (os_snprintf_error(buflen, res))
4983                 return -1;
4984         return res;
4985 }
4986
4987
4988 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
4989                                          char *cmd)
4990 {
4991         long long unsigned val;
4992         u64 req;
4993         if (sscanf(cmd, "%llx", &val) != 1)
4994                 return -1;
4995         req = val;
4996         return wpas_p2p_sd_cancel_request(wpa_s, req);
4997 }
4998
4999
5000 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
5001 {
5002         int freq;
5003         u8 dst[ETH_ALEN];
5004         u8 dialog_token;
5005         struct wpabuf *resp_tlvs;
5006         char *pos, *pos2;
5007         size_t len;
5008
5009         pos = os_strchr(cmd, ' ');
5010         if (pos == NULL)
5011                 return -1;
5012         *pos++ = '\0';
5013         freq = atoi(cmd);
5014         if (freq == 0)
5015                 return -1;
5016
5017         if (hwaddr_aton(pos, dst))
5018                 return -1;
5019         pos += 17;
5020         if (*pos != ' ')
5021                 return -1;
5022         pos++;
5023
5024         pos2 = os_strchr(pos, ' ');
5025         if (pos2 == NULL)
5026                 return -1;
5027         *pos2++ = '\0';
5028         dialog_token = atoi(pos);
5029
5030         len = os_strlen(pos2);
5031         if (len & 1)
5032                 return -1;
5033         len /= 2;
5034         resp_tlvs = wpabuf_alloc(len);
5035         if (resp_tlvs == NULL)
5036                 return -1;
5037         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
5038                 wpabuf_free(resp_tlvs);
5039                 return -1;
5040         }
5041
5042         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
5043         wpabuf_free(resp_tlvs);
5044         return 0;
5045 }
5046
5047
5048 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
5049                                        char *cmd)
5050 {
5051         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
5052                 return -1;
5053         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
5054         return 0;
5055 }
5056
5057
5058 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
5059                                         char *cmd)
5060 {
5061         char *pos;
5062         size_t len;
5063         struct wpabuf *query, *resp;
5064
5065         pos = os_strchr(cmd, ' ');
5066         if (pos == NULL)
5067                 return -1;
5068         *pos++ = '\0';
5069
5070         len = os_strlen(cmd);
5071         if (len & 1)
5072                 return -1;
5073         len /= 2;
5074         query = wpabuf_alloc(len);
5075         if (query == NULL)
5076                 return -1;
5077         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5078                 wpabuf_free(query);
5079                 return -1;
5080         }
5081
5082         len = os_strlen(pos);
5083         if (len & 1) {
5084                 wpabuf_free(query);
5085                 return -1;
5086         }
5087         len /= 2;
5088         resp = wpabuf_alloc(len);
5089         if (resp == NULL) {
5090                 wpabuf_free(query);
5091                 return -1;
5092         }
5093         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
5094                 wpabuf_free(query);
5095                 wpabuf_free(resp);
5096                 return -1;
5097         }
5098
5099         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
5100                 wpabuf_free(query);
5101                 wpabuf_free(resp);
5102                 return -1;
5103         }
5104         return 0;
5105 }
5106
5107
5108 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5109 {
5110         char *pos;
5111         u8 version;
5112
5113         pos = os_strchr(cmd, ' ');
5114         if (pos == NULL)
5115                 return -1;
5116         *pos++ = '\0';
5117
5118         if (hexstr2bin(cmd, &version, 1) < 0)
5119                 return -1;
5120
5121         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
5122 }
5123
5124
5125 static int p2p_ctrl_service_add_asp(struct wpa_supplicant *wpa_s,
5126                                     u8 replace, char *cmd)
5127 {
5128         char *pos;
5129         char *adv_str;
5130         u32 auto_accept, adv_id, svc_state, config_methods;
5131         char *svc_info = NULL;
5132
5133         pos = os_strchr(cmd, ' ');
5134         if (pos == NULL)
5135                 return -1;
5136         *pos++ = '\0';
5137
5138         /* Auto-Accept value is mandatory, and must be one of the
5139          * single values (0, 1, 2, 4) */
5140         auto_accept = atoi(cmd);
5141         switch (auto_accept) {
5142         case P2PS_SETUP_NONE: /* No auto-accept */
5143         case P2PS_SETUP_NEW:
5144         case P2PS_SETUP_CLIENT:
5145         case P2PS_SETUP_GROUP_OWNER:
5146                 break;
5147         default:
5148                 return -1;
5149         }
5150
5151         /* Advertisement ID is mandatory */
5152         cmd = pos;
5153         pos = os_strchr(cmd, ' ');
5154         if (pos == NULL)
5155                 return -1;
5156         *pos++ = '\0';
5157
5158         /* Handle Adv_ID == 0 (wildcard "org.wi-fi.wfds") internally. */
5159         if (sscanf(cmd, "%x", &adv_id) != 1 || adv_id == 0)
5160                 return -1;
5161
5162         /* Only allow replacements if exist, and adds if not */
5163         if (wpas_p2p_service_p2ps_id_exists(wpa_s, adv_id)) {
5164                 if (!replace)
5165                         return -1;
5166         } else {
5167                 if (replace)
5168                         return -1;
5169         }
5170
5171         /* svc_state between 0 - 0xff is mandatory */
5172         if (sscanf(pos, "%x", &svc_state) != 1 || svc_state > 0xff)
5173                 return -1;
5174
5175         pos = os_strchr(pos, ' ');
5176         if (pos == NULL)
5177                 return -1;
5178
5179         /* config_methods is mandatory */
5180         pos++;
5181         if (sscanf(pos, "%x", &config_methods) != 1)
5182                 return -1;
5183
5184         if (!(config_methods &
5185               (WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD | WPS_CONFIG_P2PS)))
5186                 return -1;
5187
5188         pos = os_strchr(pos, ' ');
5189         if (pos == NULL)
5190                 return -1;
5191
5192         pos++;
5193         adv_str = pos;
5194
5195         /* Advertisement string is mandatory */
5196         if (!pos[0] || pos[0] == ' ')
5197                 return -1;
5198
5199         /* Terminate svc string */
5200         pos = os_strchr(pos, ' ');
5201         if (pos != NULL)
5202                 *pos++ = '\0';
5203
5204         /* Service and Response Information are optional */
5205         if (pos && pos[0]) {
5206                 size_t len;
5207
5208                 /* Note the bare ' included, which cannot exist legally
5209                  * in unescaped string. */
5210                 svc_info = os_strstr(pos, "svc_info='");
5211
5212                 if (svc_info) {
5213                         svc_info += 9;
5214                         len = os_strlen(svc_info);
5215                         utf8_unescape(svc_info, len, svc_info, len);
5216                 }
5217         }
5218
5219         return wpas_p2p_service_add_asp(wpa_s, auto_accept, adv_id, adv_str,
5220                                         (u8) svc_state, (u16) config_methods,
5221                                         svc_info);
5222 }
5223
5224
5225 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
5226 {
5227         char *pos;
5228
5229         pos = os_strchr(cmd, ' ');
5230         if (pos == NULL)
5231                 return -1;
5232         *pos++ = '\0';
5233
5234         if (os_strcmp(cmd, "bonjour") == 0)
5235                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
5236         if (os_strcmp(cmd, "upnp") == 0)
5237                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
5238         if (os_strcmp(cmd, "asp") == 0)
5239                 return p2p_ctrl_service_add_asp(wpa_s, 0, pos);
5240         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5241         return -1;
5242 }
5243
5244
5245 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
5246                                         char *cmd)
5247 {
5248         size_t len;
5249         struct wpabuf *query;
5250         int ret;
5251
5252         len = os_strlen(cmd);
5253         if (len & 1)
5254                 return -1;
5255         len /= 2;
5256         query = wpabuf_alloc(len);
5257         if (query == NULL)
5258                 return -1;
5259         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5260                 wpabuf_free(query);
5261                 return -1;
5262         }
5263
5264         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
5265         wpabuf_free(query);
5266         return ret;
5267 }
5268
5269
5270 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5271 {
5272         char *pos;
5273         u8 version;
5274
5275         pos = os_strchr(cmd, ' ');
5276         if (pos == NULL)
5277                 return -1;
5278         *pos++ = '\0';
5279
5280         if (hexstr2bin(cmd, &version, 1) < 0)
5281                 return -1;
5282
5283         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
5284 }
5285
5286
5287 static int p2p_ctrl_service_del_asp(struct wpa_supplicant *wpa_s, char *cmd)
5288 {
5289         u32 adv_id;
5290
5291         if (sscanf(cmd, "%x", &adv_id) != 1)
5292                 return -1;
5293
5294         return wpas_p2p_service_del_asp(wpa_s, adv_id);
5295 }
5296
5297
5298 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
5299 {
5300         char *pos;
5301
5302         pos = os_strchr(cmd, ' ');
5303         if (pos == NULL)
5304                 return -1;
5305         *pos++ = '\0';
5306
5307         if (os_strcmp(cmd, "bonjour") == 0)
5308                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
5309         if (os_strcmp(cmd, "upnp") == 0)
5310                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
5311         if (os_strcmp(cmd, "asp") == 0)
5312                 return p2p_ctrl_service_del_asp(wpa_s, pos);
5313         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5314         return -1;
5315 }
5316
5317
5318 static int p2p_ctrl_service_replace(struct wpa_supplicant *wpa_s, char *cmd)
5319 {
5320         char *pos;
5321
5322         pos = os_strchr(cmd, ' ');
5323         if (pos == NULL)
5324                 return -1;
5325         *pos++ = '\0';
5326
5327         if (os_strcmp(cmd, "asp") == 0)
5328                 return p2p_ctrl_service_add_asp(wpa_s, 1, pos);
5329
5330         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5331         return -1;
5332 }
5333
5334
5335 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
5336 {
5337         u8 addr[ETH_ALEN];
5338
5339         /* <addr> */
5340
5341         if (hwaddr_aton(cmd, addr))
5342                 return -1;
5343
5344         return wpas_p2p_reject(wpa_s, addr);
5345 }
5346
5347
5348 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
5349 {
5350         char *pos;
5351         int id;
5352         struct wpa_ssid *ssid;
5353         u8 *_peer = NULL, peer[ETH_ALEN];
5354         int freq = 0, pref_freq = 0;
5355         int ht40, vht;
5356
5357         id = atoi(cmd);
5358         pos = os_strstr(cmd, " peer=");
5359         if (pos) {
5360                 pos += 6;
5361                 if (hwaddr_aton(pos, peer))
5362                         return -1;
5363                 _peer = peer;
5364         }
5365         ssid = wpa_config_get_network(wpa_s->conf, id);
5366         if (ssid == NULL || ssid->disabled != 2) {
5367                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5368                            "for persistent P2P group",
5369                            id);
5370                 return -1;
5371         }
5372
5373         pos = os_strstr(cmd, " freq=");
5374         if (pos) {
5375                 pos += 6;
5376                 freq = atoi(pos);
5377                 if (freq <= 0)
5378                         return -1;
5379         }
5380
5381         pos = os_strstr(cmd, " pref=");
5382         if (pos) {
5383                 pos += 6;
5384                 pref_freq = atoi(pos);
5385                 if (pref_freq <= 0)
5386                         return -1;
5387         }
5388
5389         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
5390         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5391                 vht;
5392
5393         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
5394                                pref_freq);
5395 }
5396
5397
5398 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
5399 {
5400         char *pos;
5401         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
5402
5403         pos = os_strstr(cmd, " peer=");
5404         if (!pos)
5405                 return -1;
5406
5407         *pos = '\0';
5408         pos += 6;
5409         if (hwaddr_aton(pos, peer)) {
5410                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
5411                 return -1;
5412         }
5413
5414         pos = os_strstr(pos, " go_dev_addr=");
5415         if (pos) {
5416                 pos += 13;
5417                 if (hwaddr_aton(pos, go_dev_addr)) {
5418                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
5419                                    pos);
5420                         return -1;
5421                 }
5422                 go_dev = go_dev_addr;
5423         }
5424
5425         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
5426 }
5427
5428
5429 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
5430 {
5431         if (os_strncmp(cmd, "persistent=", 11) == 0)
5432                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
5433         if (os_strncmp(cmd, "group=", 6) == 0)
5434                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
5435
5436         return -1;
5437 }
5438
5439
5440 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
5441                                          char *cmd, int freq, int ht40,
5442                                          int vht)
5443 {
5444         int id;
5445         struct wpa_ssid *ssid;
5446
5447         id = atoi(cmd);
5448         ssid = wpa_config_get_network(wpa_s->conf, id);
5449         if (ssid == NULL || ssid->disabled != 2) {
5450                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5451                            "for persistent P2P group",
5452                            id);
5453                 return -1;
5454         }
5455
5456         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, 0, ht40, vht,
5457                                              NULL, 0);
5458 }
5459
5460
5461 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
5462 {
5463         int freq = 0, ht40, vht;
5464         char *pos;
5465
5466         pos = os_strstr(cmd, "freq=");
5467         if (pos)
5468                 freq = atoi(pos + 5);
5469
5470         vht = (os_strstr(cmd, "vht") != NULL) || wpa_s->conf->p2p_go_vht;
5471         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5472                 vht;
5473
5474         if (os_strncmp(cmd, "persistent=", 11) == 0)
5475                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
5476                                                      ht40, vht);
5477         if (os_strcmp(cmd, "persistent") == 0 ||
5478             os_strncmp(cmd, "persistent ", 11) == 0)
5479                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40, vht);
5480         if (os_strncmp(cmd, "freq=", 5) == 0)
5481                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
5482         if (ht40)
5483                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
5484
5485         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
5486                    cmd);
5487         return -1;
5488 }
5489
5490
5491 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
5492                          char *buf, size_t buflen)
5493 {
5494         u8 addr[ETH_ALEN], *addr_ptr;
5495         int next, res;
5496         const struct p2p_peer_info *info;
5497         char *pos, *end;
5498         char devtype[WPS_DEV_TYPE_BUFSIZE];
5499         struct wpa_ssid *ssid;
5500         size_t i;
5501
5502         if (!wpa_s->global->p2p)
5503                 return -1;
5504
5505         if (os_strcmp(cmd, "FIRST") == 0) {
5506                 addr_ptr = NULL;
5507                 next = 0;
5508         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
5509                 if (hwaddr_aton(cmd + 5, addr) < 0)
5510                         return -1;
5511                 addr_ptr = addr;
5512                 next = 1;
5513         } else {
5514                 if (hwaddr_aton(cmd, addr) < 0)
5515                         return -1;
5516                 addr_ptr = addr;
5517                 next = 0;
5518         }
5519
5520         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
5521         if (info == NULL)
5522                 return -1;
5523
5524         pos = buf;
5525         end = buf + buflen;
5526
5527         res = os_snprintf(pos, end - pos, MACSTR "\n"
5528                           "pri_dev_type=%s\n"
5529                           "device_name=%s\n"
5530                           "manufacturer=%s\n"
5531                           "model_name=%s\n"
5532                           "model_number=%s\n"
5533                           "serial_number=%s\n"
5534                           "config_methods=0x%x\n"
5535                           "dev_capab=0x%x\n"
5536                           "group_capab=0x%x\n"
5537                           "level=%d\n",
5538                           MAC2STR(info->p2p_device_addr),
5539                           wps_dev_type_bin2str(info->pri_dev_type,
5540                                                devtype, sizeof(devtype)),
5541                           info->device_name,
5542                           info->manufacturer,
5543                           info->model_name,
5544                           info->model_number,
5545                           info->serial_number,
5546                           info->config_methods,
5547                           info->dev_capab,
5548                           info->group_capab,
5549                           info->level);
5550         if (os_snprintf_error(end - pos, res))
5551                 return pos - buf;
5552         pos += res;
5553
5554         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
5555         {
5556                 const u8 *t;
5557                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
5558                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
5559                                   wps_dev_type_bin2str(t, devtype,
5560                                                        sizeof(devtype)));
5561                 if (os_snprintf_error(end - pos, res))
5562                         return pos - buf;
5563                 pos += res;
5564         }
5565
5566         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
5567         if (ssid) {
5568                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
5569                 if (os_snprintf_error(end - pos, res))
5570                         return pos - buf;
5571                 pos += res;
5572         }
5573
5574         res = p2p_get_peer_info_txt(info, pos, end - pos);
5575         if (res < 0)
5576                 return pos - buf;
5577         pos += res;
5578
5579         if (info->vendor_elems) {
5580                 res = os_snprintf(pos, end - pos, "vendor_elems=");
5581                 if (os_snprintf_error(end - pos, res))
5582                         return pos - buf;
5583                 pos += res;
5584
5585                 pos += wpa_snprintf_hex(pos, end - pos,
5586                                         wpabuf_head(info->vendor_elems),
5587                                         wpabuf_len(info->vendor_elems));
5588
5589                 res = os_snprintf(pos, end - pos, "\n");
5590                 if (os_snprintf_error(end - pos, res))
5591                         return pos - buf;
5592                 pos += res;
5593         }
5594
5595         return pos - buf;
5596 }
5597
5598
5599 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
5600                                   const char *param)
5601 {
5602         unsigned int i;
5603
5604         if (wpa_s->global->p2p == NULL)
5605                 return -1;
5606
5607         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
5608                 return -1;
5609
5610         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
5611                 struct wpa_freq_range *freq;
5612                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
5613                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
5614                            freq->min, freq->max);
5615         }
5616
5617         wpas_p2p_update_channel_list(wpa_s);
5618         return 0;
5619 }
5620
5621
5622 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
5623 {
5624         char *param;
5625
5626         if (wpa_s->global->p2p == NULL)
5627                 return -1;
5628
5629         param = os_strchr(cmd, ' ');
5630         if (param == NULL)
5631                 return -1;
5632         *param++ = '\0';
5633
5634         if (os_strcmp(cmd, "discoverability") == 0) {
5635                 p2p_set_client_discoverability(wpa_s->global->p2p,
5636                                                atoi(param));
5637                 return 0;
5638         }
5639
5640         if (os_strcmp(cmd, "managed") == 0) {
5641                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
5642                 return 0;
5643         }
5644
5645         if (os_strcmp(cmd, "listen_channel") == 0) {
5646                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
5647                                               atoi(param), 1);
5648         }
5649
5650         if (os_strcmp(cmd, "ssid_postfix") == 0) {
5651                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
5652                                             os_strlen(param));
5653         }
5654
5655         if (os_strcmp(cmd, "noa") == 0) {
5656                 char *pos;
5657                 int count, start, duration;
5658                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
5659                 count = atoi(param);
5660                 pos = os_strchr(param, ',');
5661                 if (pos == NULL)
5662                         return -1;
5663                 pos++;
5664                 start = atoi(pos);
5665                 pos = os_strchr(pos, ',');
5666                 if (pos == NULL)
5667                         return -1;
5668                 pos++;
5669                 duration = atoi(pos);
5670                 if (count < 0 || count > 255 || start < 0 || duration < 0)
5671                         return -1;
5672                 if (count == 0 && duration > 0)
5673                         return -1;
5674                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
5675                            "start=%d duration=%d", count, start, duration);
5676                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
5677         }
5678
5679         if (os_strcmp(cmd, "ps") == 0)
5680                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
5681
5682         if (os_strcmp(cmd, "oppps") == 0)
5683                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
5684
5685         if (os_strcmp(cmd, "ctwindow") == 0)
5686                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
5687
5688         if (os_strcmp(cmd, "disabled") == 0) {
5689                 wpa_s->global->p2p_disabled = atoi(param);
5690                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
5691                            wpa_s->global->p2p_disabled ?
5692                            "disabled" : "enabled");
5693                 if (wpa_s->global->p2p_disabled) {
5694                         wpas_p2p_stop_find(wpa_s);
5695                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5696                         p2p_flush(wpa_s->global->p2p);
5697                 }
5698                 return 0;
5699         }
5700
5701         if (os_strcmp(cmd, "conc_pref") == 0) {
5702                 if (os_strcmp(param, "sta") == 0)
5703                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
5704                 else if (os_strcmp(param, "p2p") == 0)
5705                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
5706                 else {
5707                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
5708                         return -1;
5709                 }
5710                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
5711                            "%s", param);
5712                 return 0;
5713         }
5714
5715         if (os_strcmp(cmd, "force_long_sd") == 0) {
5716                 wpa_s->force_long_sd = atoi(param);
5717                 return 0;
5718         }
5719
5720         if (os_strcmp(cmd, "peer_filter") == 0) {
5721                 u8 addr[ETH_ALEN];
5722                 if (hwaddr_aton(param, addr))
5723                         return -1;
5724                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
5725                 return 0;
5726         }
5727
5728         if (os_strcmp(cmd, "cross_connect") == 0)
5729                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
5730
5731         if (os_strcmp(cmd, "go_apsd") == 0) {
5732                 if (os_strcmp(param, "disable") == 0)
5733                         wpa_s->set_ap_uapsd = 0;
5734                 else {
5735                         wpa_s->set_ap_uapsd = 1;
5736                         wpa_s->ap_uapsd = atoi(param);
5737                 }
5738                 return 0;
5739         }
5740
5741         if (os_strcmp(cmd, "client_apsd") == 0) {
5742                 if (os_strcmp(param, "disable") == 0)
5743                         wpa_s->set_sta_uapsd = 0;
5744                 else {
5745                         int be, bk, vi, vo;
5746                         char *pos;
5747                         /* format: BE,BK,VI,VO;max SP Length */
5748                         be = atoi(param);
5749                         pos = os_strchr(param, ',');
5750                         if (pos == NULL)
5751                                 return -1;
5752                         pos++;
5753                         bk = atoi(pos);
5754                         pos = os_strchr(pos, ',');
5755                         if (pos == NULL)
5756                                 return -1;
5757                         pos++;
5758                         vi = atoi(pos);
5759                         pos = os_strchr(pos, ',');
5760                         if (pos == NULL)
5761                                 return -1;
5762                         pos++;
5763                         vo = atoi(pos);
5764                         /* ignore max SP Length for now */
5765
5766                         wpa_s->set_sta_uapsd = 1;
5767                         wpa_s->sta_uapsd = 0;
5768                         if (be)
5769                                 wpa_s->sta_uapsd |= BIT(0);
5770                         if (bk)
5771                                 wpa_s->sta_uapsd |= BIT(1);
5772                         if (vi)
5773                                 wpa_s->sta_uapsd |= BIT(2);
5774                         if (vo)
5775                                 wpa_s->sta_uapsd |= BIT(3);
5776                 }
5777                 return 0;
5778         }
5779
5780         if (os_strcmp(cmd, "disallow_freq") == 0)
5781                 return p2p_ctrl_disallow_freq(wpa_s, param);
5782
5783         if (os_strcmp(cmd, "disc_int") == 0) {
5784                 int min_disc_int, max_disc_int, max_disc_tu;
5785                 char *pos;
5786
5787                 pos = param;
5788
5789                 min_disc_int = atoi(pos);
5790                 pos = os_strchr(pos, ' ');
5791                 if (pos == NULL)
5792                         return -1;
5793                 *pos++ = '\0';
5794
5795                 max_disc_int = atoi(pos);
5796                 pos = os_strchr(pos, ' ');
5797                 if (pos == NULL)
5798                         return -1;
5799                 *pos++ = '\0';
5800
5801                 max_disc_tu = atoi(pos);
5802
5803                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
5804                                         max_disc_int, max_disc_tu);
5805         }
5806
5807         if (os_strcmp(cmd, "per_sta_psk") == 0) {
5808                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
5809                 return 0;
5810         }
5811
5812 #ifdef CONFIG_WPS_NFC
5813         if (os_strcmp(cmd, "nfc_tag") == 0)
5814                 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
5815 #endif /* CONFIG_WPS_NFC */
5816
5817         if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
5818                 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
5819                 return 0;
5820         }
5821
5822         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
5823                    cmd);
5824
5825         return -1;
5826 }
5827
5828
5829 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
5830 {
5831         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5832         wpa_s->force_long_sd = 0;
5833         wpas_p2p_stop_find(wpa_s);
5834         if (wpa_s->global->p2p)
5835                 p2p_flush(wpa_s->global->p2p);
5836 }
5837
5838
5839 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
5840 {
5841         char *pos, *pos2;
5842         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
5843
5844         if (cmd[0]) {
5845                 pos = os_strchr(cmd, ' ');
5846                 if (pos == NULL)
5847                         return -1;
5848                 *pos++ = '\0';
5849                 dur1 = atoi(cmd);
5850
5851                 pos2 = os_strchr(pos, ' ');
5852                 if (pos2)
5853                         *pos2++ = '\0';
5854                 int1 = atoi(pos);
5855         } else
5856                 pos2 = NULL;
5857
5858         if (pos2) {
5859                 pos = os_strchr(pos2, ' ');
5860                 if (pos == NULL)
5861                         return -1;
5862                 *pos++ = '\0';
5863                 dur2 = atoi(pos2);
5864                 int2 = atoi(pos);
5865         }
5866
5867         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
5868 }
5869
5870
5871 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
5872 {
5873         char *pos;
5874         unsigned int period = 0, interval = 0;
5875
5876         if (cmd[0]) {
5877                 pos = os_strchr(cmd, ' ');
5878                 if (pos == NULL)
5879                         return -1;
5880                 *pos++ = '\0';
5881                 period = atoi(cmd);
5882                 interval = atoi(pos);
5883         }
5884
5885         return wpas_p2p_ext_listen(wpa_s, period, interval);
5886 }
5887
5888
5889 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
5890 {
5891         const char *pos;
5892         u8 peer[ETH_ALEN];
5893         int iface_addr = 0;
5894
5895         pos = cmd;
5896         if (os_strncmp(pos, "iface=", 6) == 0) {
5897                 iface_addr = 1;
5898                 pos += 6;
5899         }
5900         if (hwaddr_aton(pos, peer))
5901                 return -1;
5902
5903         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
5904         return 0;
5905 }
5906
5907 #endif /* CONFIG_P2P */
5908
5909
5910 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
5911 {
5912         struct wpa_freq_range_list ranges;
5913         int *freqs = NULL;
5914         struct hostapd_hw_modes *mode;
5915         u16 i;
5916
5917         if (wpa_s->hw.modes == NULL)
5918                 return NULL;
5919
5920         os_memset(&ranges, 0, sizeof(ranges));
5921         if (freq_range_list_parse(&ranges, val) < 0)
5922                 return NULL;
5923
5924         for (i = 0; i < wpa_s->hw.num_modes; i++) {
5925                 int j;
5926
5927                 mode = &wpa_s->hw.modes[i];
5928                 for (j = 0; j < mode->num_channels; j++) {
5929                         unsigned int freq;
5930
5931                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
5932                                 continue;
5933
5934                         freq = mode->channels[j].freq;
5935                         if (!freq_range_list_includes(&ranges, freq))
5936                                 continue;
5937
5938                         int_array_add_unique(&freqs, freq);
5939                 }
5940         }
5941
5942         os_free(ranges.range);
5943         return freqs;
5944 }
5945
5946
5947 #ifdef CONFIG_INTERWORKING
5948
5949 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
5950 {
5951         int auto_sel = 0;
5952         int *freqs = NULL;
5953
5954         if (param) {
5955                 char *pos;
5956
5957                 auto_sel = os_strstr(param, "auto") != NULL;
5958
5959                 pos = os_strstr(param, "freq=");
5960                 if (pos) {
5961                         freqs = freq_range_to_channel_list(wpa_s, pos + 5);
5962                         if (freqs == NULL)
5963                                 return -1;
5964                 }
5965
5966         }
5967
5968         return interworking_select(wpa_s, auto_sel, freqs);
5969 }
5970
5971
5972 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst,
5973                                      int only_add)
5974 {
5975         u8 bssid[ETH_ALEN];
5976         struct wpa_bss *bss;
5977
5978         if (hwaddr_aton(dst, bssid)) {
5979                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
5980                 return -1;
5981         }
5982
5983         bss = wpa_bss_get_bssid(wpa_s, bssid);
5984         if (bss == NULL) {
5985                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
5986                            MAC2STR(bssid));
5987                 return -1;
5988         }
5989
5990         if (bss->ssid_len == 0) {
5991                 int found = 0;
5992
5993                 wpa_printf(MSG_DEBUG, "Selected BSS entry for " MACSTR
5994                            " does not have SSID information", MAC2STR(bssid));
5995
5996                 dl_list_for_each_reverse(bss, &wpa_s->bss, struct wpa_bss,
5997                                          list) {
5998                         if (os_memcmp(bss->bssid, bssid, ETH_ALEN) == 0 &&
5999                             bss->ssid_len > 0) {
6000                                 found = 1;
6001                                 break;
6002                         }
6003                 }
6004
6005                 if (!found)
6006                         return -1;
6007                 wpa_printf(MSG_DEBUG,
6008                            "Found another matching BSS entry with SSID");
6009         }
6010
6011         return interworking_connect(wpa_s, bss, only_add);
6012 }
6013
6014
6015 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
6016 {
6017         u8 dst_addr[ETH_ALEN];
6018         int used;
6019         char *pos;
6020 #define MAX_ANQP_INFO_ID 100
6021         u16 id[MAX_ANQP_INFO_ID];
6022         size_t num_id = 0;
6023         u32 subtypes = 0;
6024
6025         used = hwaddr_aton2(dst, dst_addr);
6026         if (used < 0)
6027                 return -1;
6028         pos = dst + used;
6029         if (*pos == ' ')
6030                 pos++;
6031         while (num_id < MAX_ANQP_INFO_ID) {
6032                 if (os_strncmp(pos, "hs20:", 5) == 0) {
6033 #ifdef CONFIG_HS20
6034                         int num = atoi(pos + 5);
6035                         if (num <= 0 || num > 31)
6036                                 return -1;
6037                         subtypes |= BIT(num);
6038 #else /* CONFIG_HS20 */
6039                         return -1;
6040 #endif /* CONFIG_HS20 */
6041                 } else {
6042                         id[num_id] = atoi(pos);
6043                         if (id[num_id])
6044                                 num_id++;
6045                 }
6046                 pos = os_strchr(pos + 1, ',');
6047                 if (pos == NULL)
6048                         break;
6049                 pos++;
6050         }
6051
6052         if (num_id == 0)
6053                 return -1;
6054
6055         return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes);
6056 }
6057
6058
6059 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
6060 {
6061         u8 dst_addr[ETH_ALEN];
6062         struct wpabuf *advproto, *query = NULL;
6063         int used, ret = -1;
6064         char *pos, *end;
6065         size_t len;
6066
6067         used = hwaddr_aton2(cmd, dst_addr);
6068         if (used < 0)
6069                 return -1;
6070
6071         pos = cmd + used;
6072         while (*pos == ' ')
6073                 pos++;
6074
6075         /* Advertisement Protocol ID */
6076         end = os_strchr(pos, ' ');
6077         if (end)
6078                 len = end - pos;
6079         else
6080                 len = os_strlen(pos);
6081         if (len & 0x01)
6082                 return -1;
6083         len /= 2;
6084         if (len == 0)
6085                 return -1;
6086         advproto = wpabuf_alloc(len);
6087         if (advproto == NULL)
6088                 return -1;
6089         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
6090                 goto fail;
6091
6092         if (end) {
6093                 /* Optional Query Request */
6094                 pos = end + 1;
6095                 while (*pos == ' ')
6096                         pos++;
6097
6098                 len = os_strlen(pos);
6099                 if (len) {
6100                         if (len & 0x01)
6101                                 goto fail;
6102                         len /= 2;
6103                         if (len == 0)
6104                                 goto fail;
6105                         query = wpabuf_alloc(len);
6106                         if (query == NULL)
6107                                 goto fail;
6108                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
6109                                 goto fail;
6110                 }
6111         }
6112
6113         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
6114
6115 fail:
6116         wpabuf_free(advproto);
6117         wpabuf_free(query);
6118
6119         return ret;
6120 }
6121
6122
6123 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
6124                             size_t buflen)
6125 {
6126         u8 addr[ETH_ALEN];
6127         int dialog_token;
6128         int used;
6129         char *pos;
6130         size_t resp_len, start, requested_len;
6131         struct wpabuf *resp;
6132         int ret;
6133
6134         used = hwaddr_aton2(cmd, addr);
6135         if (used < 0)
6136                 return -1;
6137
6138         pos = cmd + used;
6139         while (*pos == ' ')
6140                 pos++;
6141         dialog_token = atoi(pos);
6142
6143         if (wpa_s->last_gas_resp &&
6144             os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
6145             dialog_token == wpa_s->last_gas_dialog_token)
6146                 resp = wpa_s->last_gas_resp;
6147         else if (wpa_s->prev_gas_resp &&
6148                  os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
6149                  dialog_token == wpa_s->prev_gas_dialog_token)
6150                 resp = wpa_s->prev_gas_resp;
6151         else
6152                 return -1;
6153
6154         resp_len = wpabuf_len(resp);
6155         start = 0;
6156         requested_len = resp_len;
6157
6158         pos = os_strchr(pos, ' ');
6159         if (pos) {
6160                 start = atoi(pos);
6161                 if (start > resp_len)
6162                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6163                 pos = os_strchr(pos, ',');
6164                 if (pos == NULL)
6165                         return -1;
6166                 pos++;
6167                 requested_len = atoi(pos);
6168                 if (start + requested_len > resp_len)
6169                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6170         }
6171
6172         if (requested_len * 2 + 1 > buflen)
6173                 return os_snprintf(buf, buflen, "FAIL-Too long response");
6174
6175         ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
6176                                requested_len);
6177
6178         if (start + requested_len == resp_len) {
6179                 /*
6180                  * Free memory by dropping the response after it has been
6181                  * fetched.
6182                  */
6183                 if (resp == wpa_s->prev_gas_resp) {
6184                         wpabuf_free(wpa_s->prev_gas_resp);
6185                         wpa_s->prev_gas_resp = NULL;
6186                 } else {
6187                         wpabuf_free(wpa_s->last_gas_resp);
6188                         wpa_s->last_gas_resp = NULL;
6189                 }
6190         }
6191
6192         return ret;
6193 }
6194 #endif /* CONFIG_INTERWORKING */
6195
6196
6197 #ifdef CONFIG_HS20
6198
6199 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
6200 {
6201         u8 dst_addr[ETH_ALEN];
6202         int used;
6203         char *pos;
6204         u32 subtypes = 0;
6205
6206         used = hwaddr_aton2(dst, dst_addr);
6207         if (used < 0)
6208                 return -1;
6209         pos = dst + used;
6210         if (*pos == ' ')
6211                 pos++;
6212         for (;;) {
6213                 int num = atoi(pos);
6214                 if (num <= 0 || num > 31)
6215                         return -1;
6216                 subtypes |= BIT(num);
6217                 pos = os_strchr(pos + 1, ',');
6218                 if (pos == NULL)
6219                         break;
6220                 pos++;
6221         }
6222
6223         if (subtypes == 0)
6224                 return -1;
6225
6226         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
6227 }
6228
6229
6230 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6231                                     const u8 *addr, const char *realm)
6232 {
6233         u8 *buf;
6234         size_t rlen, len;
6235         int ret;
6236
6237         rlen = os_strlen(realm);
6238         len = 3 + rlen;
6239         buf = os_malloc(len);
6240         if (buf == NULL)
6241                 return -1;
6242         buf[0] = 1; /* NAI Home Realm Count */
6243         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
6244         buf[2] = rlen;
6245         os_memcpy(buf + 3, realm, rlen);
6246
6247         ret = hs20_anqp_send_req(wpa_s, addr,
6248                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6249                                  buf, len);
6250
6251         os_free(buf);
6252
6253         return ret;
6254 }
6255
6256
6257 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6258                                         char *dst)
6259 {
6260         struct wpa_cred *cred = wpa_s->conf->cred;
6261         u8 dst_addr[ETH_ALEN];
6262         int used;
6263         u8 *buf;
6264         size_t len;
6265         int ret;
6266
6267         used = hwaddr_aton2(dst, dst_addr);
6268         if (used < 0)
6269                 return -1;
6270
6271         while (dst[used] == ' ')
6272                 used++;
6273         if (os_strncmp(dst + used, "realm=", 6) == 0)
6274                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
6275                                                 dst + used + 6);
6276
6277         len = os_strlen(dst + used);
6278
6279         if (len == 0 && cred && cred->realm)
6280                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
6281
6282         if (len & 1)
6283                 return -1;
6284         len /= 2;
6285         buf = os_malloc(len);
6286         if (buf == NULL)
6287                 return -1;
6288         if (hexstr2bin(dst + used, buf, len) < 0) {
6289                 os_free(buf);
6290                 return -1;
6291         }
6292
6293         ret = hs20_anqp_send_req(wpa_s, dst_addr,
6294                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6295                                  buf, len);
6296         os_free(buf);
6297
6298         return ret;
6299 }
6300
6301
6302 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd)
6303 {
6304         u8 dst_addr[ETH_ALEN];
6305         int used;
6306         char *icon;
6307
6308         used = hwaddr_aton2(cmd, dst_addr);
6309         if (used < 0)
6310                 return -1;
6311
6312         while (cmd[used] == ' ')
6313                 used++;
6314         icon = &cmd[used];
6315
6316         wpa_s->fetch_osu_icon_in_progress = 0;
6317         return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
6318                                   (u8 *) icon, os_strlen(icon));
6319 }
6320
6321 #endif /* CONFIG_HS20 */
6322
6323
6324 #ifdef CONFIG_AUTOSCAN
6325
6326 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
6327                                               char *cmd)
6328 {
6329         enum wpa_states state = wpa_s->wpa_state;
6330         char *new_params = NULL;
6331
6332         if (os_strlen(cmd) > 0) {
6333                 new_params = os_strdup(cmd);
6334                 if (new_params == NULL)
6335                         return -1;
6336         }
6337
6338         os_free(wpa_s->conf->autoscan);
6339         wpa_s->conf->autoscan = new_params;
6340
6341         if (wpa_s->conf->autoscan == NULL)
6342                 autoscan_deinit(wpa_s);
6343         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
6344                 autoscan_init(wpa_s, 1);
6345         else if (state == WPA_SCANNING)
6346                 wpa_supplicant_reinit_autoscan(wpa_s);
6347
6348         return 0;
6349 }
6350
6351 #endif /* CONFIG_AUTOSCAN */
6352
6353
6354 #ifdef CONFIG_WNM
6355
6356 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
6357 {
6358         int enter;
6359         int intval = 0;
6360         char *pos;
6361         int ret;
6362         struct wpabuf *tfs_req = NULL;
6363
6364         if (os_strncmp(cmd, "enter", 5) == 0)
6365                 enter = 1;
6366         else if (os_strncmp(cmd, "exit", 4) == 0)
6367                 enter = 0;
6368         else
6369                 return -1;
6370
6371         pos = os_strstr(cmd, " interval=");
6372         if (pos)
6373                 intval = atoi(pos + 10);
6374
6375         pos = os_strstr(cmd, " tfs_req=");
6376         if (pos) {
6377                 char *end;
6378                 size_t len;
6379                 pos += 9;
6380                 end = os_strchr(pos, ' ');
6381                 if (end)
6382                         len = end - pos;
6383                 else
6384                         len = os_strlen(pos);
6385                 if (len & 1)
6386                         return -1;
6387                 len /= 2;
6388                 tfs_req = wpabuf_alloc(len);
6389                 if (tfs_req == NULL)
6390                         return -1;
6391                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
6392                         wpabuf_free(tfs_req);
6393                         return -1;
6394                 }
6395         }
6396
6397         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
6398                                            WNM_SLEEP_MODE_EXIT, intval,
6399                                            tfs_req);
6400         wpabuf_free(tfs_req);
6401
6402         return ret;
6403 }
6404
6405
6406 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
6407 {
6408         int query_reason;
6409
6410         query_reason = atoi(cmd);
6411
6412         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
6413                    query_reason);
6414
6415         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
6416 }
6417
6418 #endif /* CONFIG_WNM */
6419
6420
6421 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
6422                                       size_t buflen)
6423 {
6424         struct wpa_signal_info si;
6425         int ret;
6426         char *pos, *end;
6427
6428         ret = wpa_drv_signal_poll(wpa_s, &si);
6429         if (ret)
6430                 return -1;
6431
6432         pos = buf;
6433         end = buf + buflen;
6434
6435         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
6436                           "NOISE=%d\nFREQUENCY=%u\n",
6437                           si.current_signal, si.current_txrate / 1000,
6438                           si.current_noise, si.frequency);
6439         if (os_snprintf_error(end - pos, ret))
6440                 return -1;
6441         pos += ret;
6442
6443         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
6444                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
6445                                   channel_width_to_string(si.chanwidth));
6446                 if (os_snprintf_error(end - pos, ret))
6447                         return -1;
6448                 pos += ret;
6449         }
6450
6451         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
6452                 ret = os_snprintf(pos, end - pos,
6453                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
6454                                   si.center_frq1, si.center_frq2);
6455                 if (os_snprintf_error(end - pos, ret))
6456                         return -1;
6457                 pos += ret;
6458         }
6459
6460         if (si.avg_signal) {
6461                 ret = os_snprintf(pos, end - pos,
6462                                   "AVG_RSSI=%d\n", si.avg_signal);
6463                 if (os_snprintf_error(end - pos, ret))
6464                         return -1;
6465                 pos += ret;
6466         }
6467
6468         return pos - buf;
6469 }
6470
6471
6472 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
6473                                       size_t buflen)
6474 {
6475         struct hostap_sta_driver_data sta;
6476         int ret;
6477
6478         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
6479         if (ret)
6480                 return -1;
6481
6482         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
6483                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
6484         if (os_snprintf_error(buflen, ret))
6485                 return -1;
6486         return ret;
6487 }
6488
6489
6490 #ifdef ANDROID
6491 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6492                                      char *buf, size_t buflen)
6493 {
6494         int ret;
6495
6496         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
6497         if (ret == 0) {
6498                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
6499                         struct p2p_data *p2p = wpa_s->global->p2p;
6500                         if (p2p) {
6501                                 char country[3];
6502                                 country[0] = cmd[8];
6503                                 country[1] = cmd[9];
6504                                 country[2] = 0x04;
6505                                 p2p_set_country(p2p, country);
6506                         }
6507                 }
6508                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
6509                 if (os_snprintf_error(buflen, ret))
6510                         ret = -1;
6511         }
6512         return ret;
6513 }
6514 #endif /* ANDROID */
6515
6516
6517 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6518                                      char *buf, size_t buflen)
6519 {
6520         int ret;
6521         char *pos;
6522         u8 *data = NULL;
6523         unsigned int vendor_id, subcmd;
6524         struct wpabuf *reply;
6525         size_t data_len = 0;
6526
6527         /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
6528         vendor_id = strtoul(cmd, &pos, 16);
6529         if (!isblank(*pos))
6530                 return -EINVAL;
6531
6532         subcmd = strtoul(pos, &pos, 10);
6533
6534         if (*pos != '\0') {
6535                 if (!isblank(*pos++))
6536                         return -EINVAL;
6537                 data_len = os_strlen(pos);
6538         }
6539
6540         if (data_len) {
6541                 data_len /= 2;
6542                 data = os_malloc(data_len);
6543                 if (!data)
6544                         return -1;
6545
6546                 if (hexstr2bin(pos, data, data_len)) {
6547                         wpa_printf(MSG_DEBUG,
6548                                    "Vendor command: wrong parameter format");
6549                         os_free(data);
6550                         return -EINVAL;
6551                 }
6552         }
6553
6554         reply = wpabuf_alloc((buflen - 1) / 2);
6555         if (!reply) {
6556                 os_free(data);
6557                 return -1;
6558         }
6559
6560         ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
6561                                  reply);
6562
6563         if (ret == 0)
6564                 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
6565                                        wpabuf_len(reply));
6566
6567         wpabuf_free(reply);
6568         os_free(data);
6569
6570         return ret;
6571 }
6572
6573
6574 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
6575 {
6576 #ifdef CONFIG_P2P
6577         struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s ?
6578                 wpa_s->global->p2p_init_wpa_s : wpa_s;
6579 #endif /* CONFIG_P2P */
6580
6581         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
6582
6583 #ifdef CONFIG_P2P
6584         wpas_p2p_cancel(p2p_wpa_s);
6585         p2p_ctrl_flush(p2p_wpa_s);
6586         wpas_p2p_group_remove(p2p_wpa_s, "*");
6587         wpas_p2p_service_flush(p2p_wpa_s);
6588         p2p_wpa_s->global->p2p_disabled = 0;
6589         p2p_wpa_s->global->p2p_per_sta_psk = 0;
6590         p2p_wpa_s->conf->num_sec_device_types = 0;
6591         p2p_wpa_s->p2p_disable_ip_addr_req = 0;
6592         os_free(p2p_wpa_s->global->p2p_go_avoid_freq.range);
6593         p2p_wpa_s->global->p2p_go_avoid_freq.range = NULL;
6594         p2p_wpa_s->global->pending_p2ps_group = 0;
6595 #endif /* CONFIG_P2P */
6596
6597 #ifdef CONFIG_WPS_TESTING
6598         wps_version_number = 0x20;
6599         wps_testing_dummy_cred = 0;
6600         wps_corrupt_pkhash = 0;
6601 #endif /* CONFIG_WPS_TESTING */
6602 #ifdef CONFIG_WPS
6603         wpa_s->wps_fragment_size = 0;
6604         wpas_wps_cancel(wpa_s);
6605         wps_registrar_flush(wpa_s->wps->registrar);
6606 #endif /* CONFIG_WPS */
6607         wpa_s->after_wps = 0;
6608         wpa_s->known_wps_freq = 0;
6609
6610 #ifdef CONFIG_TDLS
6611 #ifdef CONFIG_TDLS_TESTING
6612         extern unsigned int tdls_testing;
6613         tdls_testing = 0;
6614 #endif /* CONFIG_TDLS_TESTING */
6615         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
6616         wpa_tdls_enable(wpa_s->wpa, 1);
6617 #endif /* CONFIG_TDLS */
6618
6619         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
6620         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
6621
6622         wpa_s->no_keep_alive = 0;
6623
6624         os_free(wpa_s->disallow_aps_bssid);
6625         wpa_s->disallow_aps_bssid = NULL;
6626         wpa_s->disallow_aps_bssid_count = 0;
6627         os_free(wpa_s->disallow_aps_ssid);
6628         wpa_s->disallow_aps_ssid = NULL;
6629         wpa_s->disallow_aps_ssid_count = 0;
6630
6631         wpa_s->set_sta_uapsd = 0;
6632         wpa_s->sta_uapsd = 0;
6633
6634         wpa_drv_radio_disable(wpa_s, 0);
6635         wpa_blacklist_clear(wpa_s);
6636         wpa_s->extra_blacklist_count = 0;
6637         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
6638         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
6639         wpa_config_flush_blobs(wpa_s->conf);
6640         wpa_s->conf->auto_interworking = 0;
6641         wpa_s->conf->okc = 0;
6642
6643         wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
6644         rsn_preauth_deinit(wpa_s->wpa);
6645
6646         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
6647         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
6648         wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
6649         eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
6650
6651         radio_remove_works(wpa_s, NULL, 1);
6652         wpa_s->ext_work_in_progress = 0;
6653
6654         wpa_s->next_ssid = NULL;
6655
6656 #ifdef CONFIG_INTERWORKING
6657         hs20_cancel_fetch_osu(wpa_s);
6658 #endif /* CONFIG_INTERWORKING */
6659
6660         wpa_s->ext_mgmt_frame_handling = 0;
6661         wpa_s->ext_eapol_frame_io = 0;
6662 #ifdef CONFIG_TESTING_OPTIONS
6663         wpa_s->extra_roc_dur = 0;
6664         wpa_s->test_failure = WPAS_TEST_FAILURE_NONE;
6665 #endif /* CONFIG_TESTING_OPTIONS */
6666
6667         wpa_s->disconnected = 0;
6668         os_free(wpa_s->next_scan_freqs);
6669         wpa_s->next_scan_freqs = NULL;
6670
6671         wpa_bss_flush(wpa_s);
6672         if (!dl_list_empty(&wpa_s->bss)) {
6673                 wpa_printf(MSG_DEBUG,
6674                            "BSS table not empty after flush: %u entries, current_bss=%p bssid="
6675                            MACSTR " pending_bssid=" MACSTR,
6676                            dl_list_len(&wpa_s->bss), wpa_s->current_bss,
6677                            MAC2STR(wpa_s->bssid),
6678                            MAC2STR(wpa_s->pending_bssid));
6679         }
6680 }
6681
6682
6683 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
6684                                      char *buf, size_t buflen)
6685 {
6686         struct wpa_radio_work *work;
6687         char *pos, *end;
6688         struct os_reltime now, diff;
6689
6690         pos = buf;
6691         end = buf + buflen;
6692
6693         os_get_reltime(&now);
6694
6695         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6696         {
6697                 int ret;
6698
6699                 os_reltime_sub(&now, &work->time, &diff);
6700                 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
6701                                   work->type, work->wpa_s->ifname, work->freq,
6702                                   work->started, diff.sec, diff.usec);
6703                 if (os_snprintf_error(end - pos, ret))
6704                         break;
6705                 pos += ret;
6706         }
6707
6708         return pos - buf;
6709 }
6710
6711
6712 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
6713 {
6714         struct wpa_radio_work *work = eloop_ctx;
6715         struct wpa_external_work *ework = work->ctx;
6716
6717         wpa_dbg(work->wpa_s, MSG_DEBUG,
6718                 "Timing out external radio work %u (%s)",
6719                 ework->id, work->type);
6720         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
6721         work->wpa_s->ext_work_in_progress = 0;
6722         radio_work_done(work);
6723         os_free(ework);
6724 }
6725
6726
6727 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
6728 {
6729         struct wpa_external_work *ework = work->ctx;
6730
6731         if (deinit) {
6732                 if (work->started)
6733                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6734                                              work, NULL);
6735
6736                 os_free(ework);
6737                 return;
6738         }
6739
6740         wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
6741                 ework->id, ework->type);
6742         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
6743         work->wpa_s->ext_work_in_progress = 1;
6744         if (!ework->timeout)
6745                 ework->timeout = 10;
6746         eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
6747                                work, NULL);
6748 }
6749
6750
6751 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
6752                                     char *buf, size_t buflen)
6753 {
6754         struct wpa_external_work *ework;
6755         char *pos, *pos2;
6756         size_t type_len;
6757         int ret;
6758         unsigned int freq = 0;
6759
6760         /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
6761
6762         ework = os_zalloc(sizeof(*ework));
6763         if (ework == NULL)
6764                 return -1;
6765
6766         pos = os_strchr(cmd, ' ');
6767         if (pos) {
6768                 type_len = pos - cmd;
6769                 pos++;
6770
6771                 pos2 = os_strstr(pos, "freq=");
6772                 if (pos2)
6773                         freq = atoi(pos2 + 5);
6774
6775                 pos2 = os_strstr(pos, "timeout=");
6776                 if (pos2)
6777                         ework->timeout = atoi(pos2 + 8);
6778         } else {
6779                 type_len = os_strlen(cmd);
6780         }
6781         if (4 + type_len >= sizeof(ework->type))
6782                 type_len = sizeof(ework->type) - 4 - 1;
6783         os_strlcpy(ework->type, "ext:", sizeof(ework->type));
6784         os_memcpy(ework->type + 4, cmd, type_len);
6785         ework->type[4 + type_len] = '\0';
6786
6787         wpa_s->ext_work_id++;
6788         if (wpa_s->ext_work_id == 0)
6789                 wpa_s->ext_work_id++;
6790         ework->id = wpa_s->ext_work_id;
6791
6792         if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
6793                            ework) < 0) {
6794                 os_free(ework);
6795                 return -1;
6796         }
6797
6798         ret = os_snprintf(buf, buflen, "%u", ework->id);
6799         if (os_snprintf_error(buflen, ret))
6800                 return -1;
6801         return ret;
6802 }
6803
6804
6805 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
6806 {
6807         struct wpa_radio_work *work;
6808         unsigned int id = atoi(cmd);
6809
6810         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
6811         {
6812                 struct wpa_external_work *ework;
6813
6814                 if (os_strncmp(work->type, "ext:", 4) != 0)
6815                         continue;
6816                 ework = work->ctx;
6817                 if (id && ework->id != id)
6818                         continue;
6819                 wpa_dbg(wpa_s, MSG_DEBUG,
6820                         "Completed external radio work %u (%s)",
6821                         ework->id, ework->type);
6822                 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
6823                 wpa_s->ext_work_in_progress = 0;
6824                 radio_work_done(work);
6825                 os_free(ework);
6826                 return 3; /* "OK\n" */
6827         }
6828
6829         return -1;
6830 }
6831
6832
6833 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
6834                                 char *buf, size_t buflen)
6835 {
6836         if (os_strcmp(cmd, "show") == 0)
6837                 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
6838         if (os_strncmp(cmd, "add ", 4) == 0)
6839                 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
6840         if (os_strncmp(cmd, "done ", 5) == 0)
6841                 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
6842         return -1;
6843 }
6844
6845
6846 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
6847 {
6848         struct wpa_radio_work *work, *tmp;
6849
6850         if (!wpa_s || !wpa_s->radio)
6851                 return;
6852
6853         dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
6854                               struct wpa_radio_work, list) {
6855                 struct wpa_external_work *ework;
6856
6857                 if (os_strncmp(work->type, "ext:", 4) != 0)
6858                         continue;
6859                 ework = work->ctx;
6860                 wpa_dbg(wpa_s, MSG_DEBUG,
6861                         "Flushing%s external radio work %u (%s)",
6862                         work->started ? " started" : "", ework->id,
6863                         ework->type);
6864                 if (work->started)
6865                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6866                                              work, NULL);
6867                 radio_work_done(work);
6868                 os_free(ework);
6869         }
6870 }
6871
6872
6873 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
6874 {
6875         struct wpa_supplicant *wpa_s = eloop_ctx;
6876         eapol_sm_notify_ctrl_response(wpa_s->eapol);
6877 }
6878
6879
6880 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value,
6881                               unsigned int *scan_id_count, int scan_id[])
6882 {
6883         const char *pos = value;
6884
6885         while (pos) {
6886                 if (*pos == ' ' || *pos == '\0')
6887                         break;
6888                 if (*scan_id_count == MAX_SCAN_ID)
6889                         return -1;
6890                 scan_id[(*scan_id_count)++] = atoi(pos);
6891                 pos = os_strchr(pos, ',');
6892                 if (pos)
6893                         pos++;
6894         }
6895
6896         return 0;
6897 }
6898
6899
6900 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
6901                            char *reply, int reply_size, int *reply_len)
6902 {
6903         char *pos;
6904         unsigned int manual_scan_passive = 0;
6905         unsigned int manual_scan_use_id = 0;
6906         unsigned int manual_scan_only_new = 0;
6907         unsigned int scan_only = 0;
6908         unsigned int scan_id_count = 0;
6909         int scan_id[MAX_SCAN_ID];
6910         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
6911                                  struct wpa_scan_results *scan_res);
6912         int *manual_scan_freqs = NULL;
6913
6914         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
6915                 *reply_len = -1;
6916                 return;
6917         }
6918
6919         if (radio_work_pending(wpa_s, "scan")) {
6920                 wpa_printf(MSG_DEBUG,
6921                            "Pending scan scheduled - reject new request");
6922                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
6923                 return;
6924         }
6925
6926         if (params) {
6927                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
6928                         scan_only = 1;
6929
6930                 pos = os_strstr(params, "freq=");
6931                 if (pos) {
6932                         manual_scan_freqs = freq_range_to_channel_list(wpa_s,
6933                                                                        pos + 5);
6934                         if (manual_scan_freqs == NULL) {
6935                                 *reply_len = -1;
6936                                 goto done;
6937                         }
6938                 }
6939
6940                 pos = os_strstr(params, "passive=");
6941                 if (pos)
6942                         manual_scan_passive = !!atoi(pos + 8);
6943
6944                 pos = os_strstr(params, "use_id=");
6945                 if (pos)
6946                         manual_scan_use_id = atoi(pos + 7);
6947
6948                 pos = os_strstr(params, "only_new=1");
6949                 if (pos)
6950                         manual_scan_only_new = 1;
6951
6952                 pos = os_strstr(params, "scan_id=");
6953                 if (pos && scan_id_list_parse(wpa_s, pos + 8, &scan_id_count,
6954                                               scan_id) < 0) {
6955                         *reply_len = -1;
6956                         goto done;
6957                 }
6958         }
6959
6960         if (scan_only)
6961                 scan_res_handler = scan_only_handler;
6962         else if (wpa_s->scan_res_handler == scan_only_handler)
6963                 scan_res_handler = NULL;
6964         else
6965                 scan_res_handler = wpa_s->scan_res_handler;
6966
6967         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
6968             ((wpa_s->wpa_state <= WPA_SCANNING) ||
6969              (wpa_s->wpa_state == WPA_COMPLETED))) {
6970                 wpa_s->manual_scan_passive = manual_scan_passive;
6971                 wpa_s->manual_scan_use_id = manual_scan_use_id;
6972                 wpa_s->manual_scan_only_new = manual_scan_only_new;
6973                 wpa_s->scan_id_count = scan_id_count;
6974                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
6975                 wpa_s->scan_res_handler = scan_res_handler;
6976                 os_free(wpa_s->manual_scan_freqs);
6977                 wpa_s->manual_scan_freqs = manual_scan_freqs;
6978                 manual_scan_freqs = NULL;
6979
6980                 wpa_s->normal_scans = 0;
6981                 wpa_s->scan_req = MANUAL_SCAN_REQ;
6982                 wpa_s->after_wps = 0;
6983                 wpa_s->known_wps_freq = 0;
6984                 wpa_supplicant_req_scan(wpa_s, 0, 0);
6985                 if (wpa_s->manual_scan_use_id) {
6986                         wpa_s->manual_scan_id++;
6987                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
6988                                 wpa_s->manual_scan_id);
6989                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
6990                                                  wpa_s->manual_scan_id);
6991                 }
6992         } else if (wpa_s->sched_scanning) {
6993                 wpa_s->manual_scan_passive = manual_scan_passive;
6994                 wpa_s->manual_scan_use_id = manual_scan_use_id;
6995                 wpa_s->manual_scan_only_new = manual_scan_only_new;
6996                 wpa_s->scan_id_count = scan_id_count;
6997                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
6998                 wpa_s->scan_res_handler = scan_res_handler;
6999                 os_free(wpa_s->manual_scan_freqs);
7000                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7001                 manual_scan_freqs = NULL;
7002
7003                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
7004                 wpa_supplicant_cancel_sched_scan(wpa_s);
7005                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7006                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7007                 if (wpa_s->manual_scan_use_id) {
7008                         wpa_s->manual_scan_id++;
7009                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7010                                                  wpa_s->manual_scan_id);
7011                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7012                                 wpa_s->manual_scan_id);
7013                 }
7014         } else {
7015                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
7016                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7017         }
7018
7019 done:
7020         os_free(manual_scan_freqs);
7021 }
7022
7023
7024 #ifdef CONFIG_TESTING_OPTIONS
7025
7026 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
7027                                        unsigned int freq, const u8 *dst,
7028                                        const u8 *src, const u8 *bssid,
7029                                        const u8 *data, size_t data_len,
7030                                        enum offchannel_send_action_result
7031                                        result)
7032 {
7033         wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
7034                 " src=" MACSTR " bssid=" MACSTR " result=%s",
7035                 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
7036                 result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
7037                 "SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
7038                              "NO_ACK" : "FAILED"));
7039 }
7040
7041
7042 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
7043 {
7044         char *pos, *param;
7045         size_t len;
7046         u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
7047         int res, used;
7048         int freq = 0, no_cck = 0, wait_time = 0;
7049
7050         /* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
7051          *    <action=Action frame payload> */
7052
7053         wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
7054
7055         pos = cmd;
7056         used = hwaddr_aton2(pos, da);
7057         if (used < 0)
7058                 return -1;
7059         pos += used;
7060         while (*pos == ' ')
7061                 pos++;
7062         used = hwaddr_aton2(pos, bssid);
7063         if (used < 0)
7064                 return -1;
7065         pos += used;
7066
7067         param = os_strstr(pos, " freq=");
7068         if (param) {
7069                 param += 6;
7070                 freq = atoi(param);
7071         }
7072
7073         param = os_strstr(pos, " no_cck=");
7074         if (param) {
7075                 param += 8;
7076                 no_cck = atoi(param);
7077         }
7078
7079         param = os_strstr(pos, " wait_time=");
7080         if (param) {
7081                 param += 11;
7082                 wait_time = atoi(param);
7083         }
7084
7085         param = os_strstr(pos, " action=");
7086         if (param == NULL)
7087                 return -1;
7088         param += 8;
7089
7090         len = os_strlen(param);
7091         if (len & 1)
7092                 return -1;
7093         len /= 2;
7094
7095         buf = os_malloc(len);
7096         if (buf == NULL)
7097                 return -1;
7098
7099         if (hexstr2bin(param, buf, len) < 0) {
7100                 os_free(buf);
7101                 return -1;
7102         }
7103
7104         res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
7105                                      buf, len, wait_time,
7106                                      wpas_ctrl_iface_mgmt_tx_cb, no_cck);
7107         os_free(buf);
7108         return res;
7109 }
7110
7111
7112 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
7113 {
7114         wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
7115         offchannel_send_action_done(wpa_s);
7116 }
7117
7118
7119 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
7120 {
7121         char *pos, *param;
7122         union wpa_event_data event;
7123         enum wpa_event_type ev;
7124
7125         /* <event name> [parameters..] */
7126
7127         wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
7128
7129         pos = cmd;
7130         param = os_strchr(pos, ' ');
7131         if (param)
7132                 *param++ = '\0';
7133
7134         os_memset(&event, 0, sizeof(event));
7135
7136         if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
7137                 ev = EVENT_INTERFACE_ENABLED;
7138         } else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
7139                 ev = EVENT_INTERFACE_DISABLED;
7140         } else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
7141                 ev = EVENT_AVOID_FREQUENCIES;
7142                 if (param == NULL)
7143                         param = "";
7144                 if (freq_range_list_parse(&event.freq_range, param) < 0)
7145                         return -1;
7146                 wpa_supplicant_event(wpa_s, ev, &event);
7147                 os_free(event.freq_range.range);
7148                 return 0;
7149         } else {
7150                 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
7151                         cmd);
7152                 return -1;
7153         }
7154
7155         wpa_supplicant_event(wpa_s, ev, &event);
7156
7157         return 0;
7158 }
7159
7160
7161 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
7162 {
7163         char *pos;
7164         u8 src[ETH_ALEN], *buf;
7165         int used;
7166         size_t len;
7167
7168         wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
7169
7170         pos = cmd;
7171         used = hwaddr_aton2(pos, src);
7172         if (used < 0)
7173                 return -1;
7174         pos += used;
7175         while (*pos == ' ')
7176                 pos++;
7177
7178         len = os_strlen(pos);
7179         if (len & 1)
7180                 return -1;
7181         len /= 2;
7182
7183         buf = os_malloc(len);
7184         if (buf == NULL)
7185                 return -1;
7186
7187         if (hexstr2bin(pos, buf, len) < 0) {
7188                 os_free(buf);
7189                 return -1;
7190         }
7191
7192         wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
7193         os_free(buf);
7194
7195         return 0;
7196 }
7197
7198
7199 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
7200 {
7201         size_t i;
7202         u32 sum = 0;
7203         const u16 *pos = buf;
7204
7205         for (i = 0; i < len / 2; i++)
7206                 sum += *pos++;
7207
7208         while (sum >> 16)
7209                 sum = (sum & 0xffff) + (sum >> 16);
7210
7211         return sum ^ 0xffff;
7212 }
7213
7214
7215 #define HWSIM_PACKETLEN 1500
7216 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
7217
7218 void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
7219 {
7220         struct wpa_supplicant *wpa_s = ctx;
7221         const struct ether_header *eth;
7222         const struct iphdr *ip;
7223         const u8 *pos;
7224         unsigned int i;
7225
7226         if (len != HWSIM_PACKETLEN)
7227                 return;
7228
7229         eth = (const struct ether_header *) buf;
7230         ip = (const struct iphdr *) (eth + 1);
7231         pos = (const u8 *) (ip + 1);
7232
7233         if (ip->ihl != 5 || ip->version != 4 ||
7234             ntohs(ip->tot_len) != HWSIM_IP_LEN)
7235                 return;
7236
7237         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++) {
7238                 if (*pos != (u8) i)
7239                         return;
7240                 pos++;
7241         }
7242
7243         wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
7244                 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
7245 }
7246
7247
7248 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
7249                                             char *cmd)
7250 {
7251         int enabled = atoi(cmd);
7252
7253         if (!enabled) {
7254                 if (wpa_s->l2_test) {
7255                         l2_packet_deinit(wpa_s->l2_test);
7256                         wpa_s->l2_test = NULL;
7257                         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
7258                 }
7259                 return 0;
7260         }
7261
7262         if (wpa_s->l2_test)
7263                 return 0;
7264
7265         wpa_s->l2_test = l2_packet_init(wpa_s->ifname, wpa_s->own_addr,
7266                                         ETHERTYPE_IP, wpas_data_test_rx,
7267                                         wpa_s, 1);
7268         if (wpa_s->l2_test == NULL)
7269                 return -1;
7270
7271         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
7272
7273         return 0;
7274 }
7275
7276
7277 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
7278 {
7279         u8 dst[ETH_ALEN], src[ETH_ALEN];
7280         char *pos;
7281         int used;
7282         long int val;
7283         u8 tos;
7284         u8 buf[HWSIM_PACKETLEN];
7285         struct ether_header *eth;
7286         struct iphdr *ip;
7287         u8 *dpos;
7288         unsigned int i;
7289
7290         if (wpa_s->l2_test == NULL)
7291                 return -1;
7292
7293         /* format: <dst> <src> <tos> */
7294
7295         pos = cmd;
7296         used = hwaddr_aton2(pos, dst);
7297         if (used < 0)
7298                 return -1;
7299         pos += used;
7300         while (*pos == ' ')
7301                 pos++;
7302         used = hwaddr_aton2(pos, src);
7303         if (used < 0)
7304                 return -1;
7305         pos += used;
7306
7307         val = strtol(pos, NULL, 0);
7308         if (val < 0 || val > 0xff)
7309                 return -1;
7310         tos = val;
7311
7312         eth = (struct ether_header *) buf;
7313         os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
7314         os_memcpy(eth->ether_shost, src, ETH_ALEN);
7315         eth->ether_type = htons(ETHERTYPE_IP);
7316         ip = (struct iphdr *) (eth + 1);
7317         os_memset(ip, 0, sizeof(*ip));
7318         ip->ihl = 5;
7319         ip->version = 4;
7320         ip->ttl = 64;
7321         ip->tos = tos;
7322         ip->tot_len = htons(HWSIM_IP_LEN);
7323         ip->protocol = 1;
7324         ip->saddr = htonl(192 << 24 | 168 << 16 | 1 << 8 | 1);
7325         ip->daddr = htonl(192 << 24 | 168 << 16 | 1 << 8 | 2);
7326         ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
7327         dpos = (u8 *) (ip + 1);
7328         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
7329                 *dpos++ = i;
7330
7331         if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, buf,
7332                            HWSIM_PACKETLEN) < 0)
7333                 return -1;
7334
7335         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
7336                 " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
7337
7338         return 0;
7339 }
7340
7341
7342 static int wpas_ctrl_iface_data_test_frame(struct wpa_supplicant *wpa_s,
7343                                            char *cmd)
7344 {
7345         u8 *buf;
7346         struct ether_header *eth;
7347         struct l2_packet_data *l2 = NULL;
7348         size_t len;
7349         u16 ethertype;
7350         int res = -1;
7351
7352         len = os_strlen(cmd);
7353         if (len & 1 || len < ETH_HLEN * 2)
7354                 return -1;
7355         len /= 2;
7356
7357         buf = os_malloc(len);
7358         if (buf == NULL)
7359                 return -1;
7360
7361         if (hexstr2bin(cmd, buf, len) < 0)
7362                 goto done;
7363
7364         eth = (struct ether_header *) buf;
7365         ethertype = ntohs(eth->ether_type);
7366
7367         l2 = l2_packet_init(wpa_s->ifname, wpa_s->own_addr, ethertype,
7368                             wpas_data_test_rx, wpa_s, 1);
7369         if (l2 == NULL)
7370                 goto done;
7371
7372         res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
7373         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX frame res=%d", res);
7374 done:
7375         if (l2)
7376                 l2_packet_deinit(l2);
7377         os_free(buf);
7378
7379         return res < 0 ? -1 : 0;
7380 }
7381
7382
7383 static int wpas_ctrl_test_alloc_fail(struct wpa_supplicant *wpa_s, char *cmd)
7384 {
7385 #ifdef WPA_TRACE_BFD
7386         extern char wpa_trace_fail_func[256];
7387         extern unsigned int wpa_trace_fail_after;
7388         char *pos;
7389
7390         wpa_trace_fail_after = atoi(cmd);
7391         pos = os_strchr(cmd, ':');
7392         if (pos) {
7393                 pos++;
7394                 os_strlcpy(wpa_trace_fail_func, pos,
7395                            sizeof(wpa_trace_fail_func));
7396         } else {
7397                 wpa_trace_fail_after = 0;
7398         }
7399         return 0;
7400 #else /* WPA_TRACE_BFD */
7401         return -1;
7402 #endif /* WPA_TRACE_BFD */
7403 }
7404
7405
7406 static int wpas_ctrl_get_alloc_fail(struct wpa_supplicant *wpa_s,
7407                                     char *buf, size_t buflen)
7408 {
7409 #ifdef WPA_TRACE_BFD
7410         extern char wpa_trace_fail_func[256];
7411         extern unsigned int wpa_trace_fail_after;
7412
7413         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
7414                            wpa_trace_fail_func);
7415 #else /* WPA_TRACE_BFD */
7416         return -1;
7417 #endif /* WPA_TRACE_BFD */
7418 }
7419
7420 #endif /* CONFIG_TESTING_OPTIONS */
7421
7422
7423 static void wpas_ctrl_vendor_elem_update(struct wpa_supplicant *wpa_s)
7424 {
7425         unsigned int i;
7426         char buf[30];
7427
7428         wpa_printf(MSG_DEBUG, "Update vendor elements");
7429
7430         for (i = 0; i < NUM_VENDOR_ELEM_FRAMES; i++) {
7431                 if (wpa_s->vendor_elem[i]) {
7432                         int res;
7433
7434                         res = os_snprintf(buf, sizeof(buf), "frame[%u]", i);
7435                         if (!os_snprintf_error(sizeof(buf), res)) {
7436                                 wpa_hexdump_buf(MSG_DEBUG, buf,
7437                                                 wpa_s->vendor_elem[i]);
7438                         }
7439                 }
7440         }
7441
7442 #ifdef CONFIG_P2P
7443         if (wpa_s->parent == wpa_s &&
7444             wpa_s->global->p2p &&
7445             !wpa_s->global->p2p_disabled)
7446                 p2p_set_vendor_elems(wpa_s->global->p2p, wpa_s->vendor_elem);
7447 #endif /* CONFIG_P2P */
7448 }
7449
7450
7451 static struct wpa_supplicant *
7452 wpas_ctrl_vendor_elem_iface(struct wpa_supplicant *wpa_s,
7453                             enum wpa_vendor_elem_frame frame)
7454 {
7455         switch (frame) {
7456 #ifdef CONFIG_P2P
7457         case VENDOR_ELEM_PROBE_REQ_P2P:
7458         case VENDOR_ELEM_PROBE_RESP_P2P:
7459         case VENDOR_ELEM_PROBE_RESP_P2P_GO:
7460         case VENDOR_ELEM_BEACON_P2P_GO:
7461         case VENDOR_ELEM_P2P_PD_REQ:
7462         case VENDOR_ELEM_P2P_PD_RESP:
7463         case VENDOR_ELEM_P2P_GO_NEG_REQ:
7464         case VENDOR_ELEM_P2P_GO_NEG_RESP:
7465         case VENDOR_ELEM_P2P_GO_NEG_CONF:
7466         case VENDOR_ELEM_P2P_INV_REQ:
7467         case VENDOR_ELEM_P2P_INV_RESP:
7468         case VENDOR_ELEM_P2P_ASSOC_REQ:
7469                 return wpa_s->parent;
7470 #endif /* CONFIG_P2P */
7471         default:
7472                 return wpa_s;
7473         }
7474 }
7475
7476
7477 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
7478 {
7479         char *pos = cmd;
7480         int frame;
7481         size_t len;
7482         struct wpabuf *buf;
7483         struct ieee802_11_elems elems;
7484
7485         frame = atoi(pos);
7486         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7487                 return -1;
7488         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7489
7490         pos = os_strchr(pos, ' ');
7491         if (pos == NULL)
7492                 return -1;
7493         pos++;
7494
7495         len = os_strlen(pos);
7496         if (len == 0)
7497                 return 0;
7498         if (len & 1)
7499                 return -1;
7500         len /= 2;
7501
7502         buf = wpabuf_alloc(len);
7503         if (buf == NULL)
7504                 return -1;
7505
7506         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
7507                 wpabuf_free(buf);
7508                 return -1;
7509         }
7510
7511         if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
7512             ParseFailed) {
7513                 wpabuf_free(buf);
7514                 return -1;
7515         }
7516
7517         if (wpa_s->vendor_elem[frame] == NULL) {
7518                 wpa_s->vendor_elem[frame] = buf;
7519                 wpas_ctrl_vendor_elem_update(wpa_s);
7520                 return 0;
7521         }
7522
7523         if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
7524                 wpabuf_free(buf);
7525                 return -1;
7526         }
7527
7528         wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
7529         wpabuf_free(buf);
7530         wpas_ctrl_vendor_elem_update(wpa_s);
7531
7532         return 0;
7533 }
7534
7535
7536 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
7537                                      char *buf, size_t buflen)
7538 {
7539         int frame = atoi(cmd);
7540
7541         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7542                 return -1;
7543         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7544
7545         if (wpa_s->vendor_elem[frame] == NULL)
7546                 return 0;
7547
7548         return wpa_snprintf_hex(buf, buflen,
7549                                 wpabuf_head_u8(wpa_s->vendor_elem[frame]),
7550                                 wpabuf_len(wpa_s->vendor_elem[frame]));
7551 }
7552
7553
7554 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
7555 {
7556         char *pos = cmd;
7557         int frame;
7558         size_t len;
7559         u8 *buf;
7560         struct ieee802_11_elems elems;
7561         u8 *ie, *end;
7562
7563         frame = atoi(pos);
7564         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7565                 return -1;
7566         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
7567
7568         pos = os_strchr(pos, ' ');
7569         if (pos == NULL)
7570                 return -1;
7571         pos++;
7572
7573         if (*pos == '*') {
7574                 wpabuf_free(wpa_s->vendor_elem[frame]);
7575                 wpa_s->vendor_elem[frame] = NULL;
7576                 wpas_ctrl_vendor_elem_update(wpa_s);
7577                 return 0;
7578         }
7579
7580         if (wpa_s->vendor_elem[frame] == NULL)
7581                 return -1;
7582
7583         len = os_strlen(pos);
7584         if (len == 0)
7585                 return 0;
7586         if (len & 1)
7587                 return -1;
7588         len /= 2;
7589
7590         buf = os_malloc(len);
7591         if (buf == NULL)
7592                 return -1;
7593
7594         if (hexstr2bin(pos, buf, len) < 0) {
7595                 os_free(buf);
7596                 return -1;
7597         }
7598
7599         if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
7600                 os_free(buf);
7601                 return -1;
7602         }
7603
7604         ie = wpabuf_mhead_u8(wpa_s->vendor_elem[frame]);
7605         end = ie + wpabuf_len(wpa_s->vendor_elem[frame]);
7606
7607         for (; ie + 1 < end; ie += 2 + ie[1]) {
7608                 if (ie + len > end)
7609                         break;
7610                 if (os_memcmp(ie, buf, len) != 0)
7611                         continue;
7612
7613                 if (wpabuf_len(wpa_s->vendor_elem[frame]) == len) {
7614                         wpabuf_free(wpa_s->vendor_elem[frame]);
7615                         wpa_s->vendor_elem[frame] = NULL;
7616                 } else {
7617                         os_memmove(ie, ie + len,
7618                                    end - (ie + len));
7619                         wpa_s->vendor_elem[frame]->used -= len;
7620                 }
7621                 os_free(buf);
7622                 wpas_ctrl_vendor_elem_update(wpa_s);
7623                 return 0;
7624         }
7625
7626         os_free(buf);
7627
7628         return -1;
7629 }
7630
7631
7632 static void wpas_ctrl_neighbor_rep_cb(void *ctx, struct wpabuf *neighbor_rep)
7633 {
7634         struct wpa_supplicant *wpa_s = ctx;
7635
7636         if (neighbor_rep) {
7637                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_RXED
7638                              "length=%u",
7639                              (unsigned int) wpabuf_len(neighbor_rep));
7640                 wpabuf_free(neighbor_rep);
7641         } else {
7642                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_FAILED);
7643         }
7644 }
7645
7646
7647 static int wpas_ctrl_iface_send_neigbor_rep(struct wpa_supplicant *wpa_s,
7648                                             char *cmd)
7649 {
7650         struct wpa_ssid ssid;
7651         struct wpa_ssid *ssid_p = NULL;
7652         int ret = 0;
7653
7654         if (os_strncmp(cmd, " ssid=", 6) == 0) {
7655                 ssid.ssid_len = os_strlen(cmd + 6);
7656                 if (ssid.ssid_len > 32)
7657                         return -1;
7658                 ssid.ssid = (u8 *) (cmd + 6);
7659                 ssid_p = &ssid;
7660         }
7661
7662         ret = wpas_rrm_send_neighbor_rep_request(wpa_s, ssid_p,
7663                                                  wpas_ctrl_neighbor_rep_cb,
7664                                                  wpa_s);
7665
7666         return ret;
7667 }
7668
7669
7670 static int wpas_ctrl_iface_erp_flush(struct wpa_supplicant *wpa_s)
7671 {
7672         eapol_sm_erp_flush(wpa_s->eapol);
7673         return 0;
7674 }
7675
7676
7677 static int wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant *wpa_s,
7678                                          char *cmd)
7679 {
7680         char *token, *context = NULL;
7681         unsigned int enable = ~0, type = 0;
7682         u8 _addr[ETH_ALEN], _mask[ETH_ALEN];
7683         u8 *addr = NULL, *mask = NULL;
7684
7685         while ((token = str_token(cmd, " ", &context))) {
7686                 if (os_strcasecmp(token, "scan") == 0) {
7687                         type |= MAC_ADDR_RAND_SCAN;
7688                 } else if (os_strcasecmp(token, "sched") == 0) {
7689                         type |= MAC_ADDR_RAND_SCHED_SCAN;
7690                 } else if (os_strcasecmp(token, "pno") == 0) {
7691                         type |= MAC_ADDR_RAND_PNO;
7692                 } else if (os_strcasecmp(token, "all") == 0) {
7693                         type = wpa_s->mac_addr_rand_supported;
7694                 } else if (os_strncasecmp(token, "enable=", 7) == 0) {
7695                         enable = atoi(token + 7);
7696                 } else if (os_strncasecmp(token, "addr=", 5) == 0) {
7697                         addr = _addr;
7698                         if (hwaddr_aton(token + 5, addr)) {
7699                                 wpa_printf(MSG_INFO,
7700                                            "CTRL: Invalid MAC address: %s",
7701                                            token);
7702                                 return -1;
7703                         }
7704                 } else if (os_strncasecmp(token, "mask=", 5) == 0) {
7705                         mask = _mask;
7706                         if (hwaddr_aton(token + 5, mask)) {
7707                                 wpa_printf(MSG_INFO,
7708                                            "CTRL: Invalid MAC address mask: %s",
7709                                            token);
7710                                 return -1;
7711                         }
7712                 } else {
7713                         wpa_printf(MSG_INFO,
7714                                    "CTRL: Invalid MAC_RAND_SCAN parameter: %s",
7715                                    token);
7716                         return -1;
7717                 }
7718         }
7719
7720         if (!type) {
7721                 wpa_printf(MSG_INFO, "CTRL: MAC_RAND_SCAN no type specified");
7722                 return -1;
7723         }
7724
7725         if ((wpa_s->mac_addr_rand_supported & type) != type) {
7726                 wpa_printf(MSG_INFO,
7727                            "CTRL: MAC_RAND_SCAN types=%u != supported=%u",
7728                            type, wpa_s->mac_addr_rand_supported);
7729                 return -1;
7730         }
7731
7732         if (enable > 1) {
7733                 wpa_printf(MSG_INFO,
7734                            "CTRL: MAC_RAND_SCAN enable=<0/1> not specified");
7735                 return -1;
7736         }
7737
7738         if (!enable) {
7739                 wpas_mac_addr_rand_scan_clear(wpa_s, type);
7740                 if (wpa_s->pno) {
7741                         if (type & MAC_ADDR_RAND_PNO) {
7742                                 wpas_stop_pno(wpa_s);
7743                                 wpas_start_pno(wpa_s);
7744                         }
7745                 } else if (wpa_s->sched_scanning &&
7746                            (type & MAC_ADDR_RAND_SCHED_SCAN)) {
7747                         /* simulate timeout to restart the sched scan */
7748                         wpa_s->sched_scan_timed_out = 1;
7749                         wpa_s->prev_sched_ssid = NULL;
7750                         wpa_supplicant_cancel_sched_scan(wpa_s);
7751                 }
7752                 return 0;
7753         }
7754
7755         if ((addr && !mask) || (!addr && mask)) {
7756                 wpa_printf(MSG_INFO,
7757                            "CTRL: MAC_RAND_SCAN invalid addr/mask combination");
7758                 return -1;
7759         }
7760
7761         if (addr && mask && (!(mask[0] & 0x01) || (addr[0] & 0x01))) {
7762                 wpa_printf(MSG_INFO,
7763                            "CTRL: MAC_RAND_SCAN cannot allow multicast address");
7764                 return -1;
7765         }
7766
7767         if (type & MAC_ADDR_RAND_SCAN) {
7768                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCAN,
7769                                             addr, mask);
7770         }
7771
7772         if (type & MAC_ADDR_RAND_SCHED_SCAN) {
7773                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCHED_SCAN,
7774                                             addr, mask);
7775
7776                 if (wpa_s->sched_scanning && !wpa_s->pno) {
7777                         /* simulate timeout to restart the sched scan */
7778                         wpa_s->sched_scan_timed_out = 1;
7779                         wpa_s->prev_sched_ssid = NULL;
7780                         wpa_supplicant_cancel_sched_scan(wpa_s);
7781                 }
7782         }
7783
7784         if (type & MAC_ADDR_RAND_PNO) {
7785                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_PNO,
7786                                             addr, mask);
7787                 if (wpa_s->pno) {
7788                         wpas_stop_pno(wpa_s);
7789                         wpas_start_pno(wpa_s);
7790                 }
7791         }
7792
7793         return 0;
7794 }
7795
7796
7797 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
7798                                          char *buf, size_t *resp_len)
7799 {
7800         char *reply;
7801         const int reply_size = 4096;
7802         int reply_len;
7803
7804         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
7805             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
7806                 if (wpa_debug_show_keys)
7807                         wpa_dbg(wpa_s, MSG_DEBUG,
7808                                 "Control interface command '%s'", buf);
7809                 else
7810                         wpa_dbg(wpa_s, MSG_DEBUG,
7811                                 "Control interface command '%s [REMOVED]'",
7812                                 os_strncmp(buf, WPA_CTRL_RSP,
7813                                            os_strlen(WPA_CTRL_RSP)) == 0 ?
7814                                 WPA_CTRL_RSP : "SET_NETWORK");
7815         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
7816                    os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
7817                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
7818                                       (const u8 *) buf, os_strlen(buf));
7819         } else {
7820                 int level = MSG_DEBUG;
7821                 if (os_strcmp(buf, "PING") == 0)
7822                         level = MSG_EXCESSIVE;
7823                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
7824         }
7825
7826         reply = os_malloc(reply_size);
7827         if (reply == NULL) {
7828                 *resp_len = 1;
7829                 return NULL;
7830         }
7831
7832         os_memcpy(reply, "OK\n", 3);
7833         reply_len = 3;
7834
7835         if (os_strcmp(buf, "PING") == 0) {
7836                 os_memcpy(reply, "PONG\n", 5);
7837                 reply_len = 5;
7838         } else if (os_strcmp(buf, "IFNAME") == 0) {
7839                 reply_len = os_strlen(wpa_s->ifname);
7840                 os_memcpy(reply, wpa_s->ifname, reply_len);
7841         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
7842                 if (wpa_debug_reopen_file() < 0)
7843                         reply_len = -1;
7844         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
7845                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
7846         } else if (os_strcmp(buf, "MIB") == 0) {
7847                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
7848                 if (reply_len >= 0) {
7849                         reply_len += eapol_sm_get_mib(wpa_s->eapol,
7850                                                       reply + reply_len,
7851                                                       reply_size - reply_len);
7852                 }
7853         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
7854                 reply_len = wpa_supplicant_ctrl_iface_status(
7855                         wpa_s, buf + 6, reply, reply_size);
7856         } else if (os_strcmp(buf, "PMKSA") == 0) {
7857                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
7858                                                     reply_size);
7859         } else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
7860                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
7861         } else if (os_strncmp(buf, "SET ", 4) == 0) {
7862                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
7863                         reply_len = -1;
7864         } else if (os_strncmp(buf, "DUMP", 4) == 0) {
7865                 reply_len = wpa_config_dump_values(wpa_s->conf,
7866                                                    reply, reply_size);
7867         } else if (os_strncmp(buf, "GET ", 4) == 0) {
7868                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
7869                                                           reply, reply_size);
7870         } else if (os_strcmp(buf, "LOGON") == 0) {
7871                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
7872         } else if (os_strcmp(buf, "LOGOFF") == 0) {
7873                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
7874         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
7875                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
7876                         reply_len = -1;
7877                 else
7878                         wpas_request_connection(wpa_s);
7879         } else if (os_strcmp(buf, "REATTACH") == 0) {
7880                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
7881                     !wpa_s->current_ssid)
7882                         reply_len = -1;
7883                 else {
7884                         wpa_s->reattach = 1;
7885                         wpas_request_connection(wpa_s);
7886                 }
7887         } else if (os_strcmp(buf, "RECONNECT") == 0) {
7888                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
7889                         reply_len = -1;
7890                 else if (wpa_s->disconnected)
7891                         wpas_request_connection(wpa_s);
7892 #ifdef IEEE8021X_EAPOL
7893         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
7894                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
7895                         reply_len = -1;
7896 #endif /* IEEE8021X_EAPOL */
7897 #ifdef CONFIG_PEERKEY
7898         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
7899                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
7900                         reply_len = -1;
7901 #endif /* CONFIG_PEERKEY */
7902 #ifdef CONFIG_IEEE80211R
7903         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
7904                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
7905                         reply_len = -1;
7906 #endif /* CONFIG_IEEE80211R */
7907 #ifdef CONFIG_WPS
7908         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
7909                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
7910                 if (res == -2) {
7911                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
7912                         reply_len = 17;
7913                 } else if (res)
7914                         reply_len = -1;
7915         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
7916                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
7917                 if (res == -2) {
7918                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
7919                         reply_len = 17;
7920                 } else if (res)
7921                         reply_len = -1;
7922         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
7923                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
7924                                                               reply,
7925                                                               reply_size);
7926         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
7927                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
7928                         wpa_s, buf + 14, reply, reply_size);
7929         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
7930                 if (wpas_wps_cancel(wpa_s))
7931                         reply_len = -1;
7932 #ifdef CONFIG_WPS_NFC
7933         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
7934                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
7935                         reply_len = -1;
7936         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
7937                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
7938                         reply_len = -1;
7939         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
7940                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
7941                         wpa_s, buf + 21, reply, reply_size);
7942         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
7943                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
7944                         wpa_s, buf + 14, reply, reply_size);
7945         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
7946                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
7947                                                                buf + 17))
7948                         reply_len = -1;
7949         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
7950                 reply_len = wpas_ctrl_nfc_get_handover_req(
7951                         wpa_s, buf + 21, reply, reply_size);
7952         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
7953                 reply_len = wpas_ctrl_nfc_get_handover_sel(
7954                         wpa_s, buf + 21, reply, reply_size);
7955         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
7956                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
7957                         reply_len = -1;
7958 #endif /* CONFIG_WPS_NFC */
7959         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
7960                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
7961                         reply_len = -1;
7962 #ifdef CONFIG_AP
7963         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
7964                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
7965                         wpa_s, buf + 11, reply, reply_size);
7966 #endif /* CONFIG_AP */
7967 #ifdef CONFIG_WPS_ER
7968         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
7969                 if (wpas_wps_er_start(wpa_s, NULL))
7970                         reply_len = -1;
7971         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
7972                 if (wpas_wps_er_start(wpa_s, buf + 13))
7973                         reply_len = -1;
7974         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
7975                 wpas_wps_er_stop(wpa_s);
7976         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
7977                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
7978                         reply_len = -1;
7979         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
7980                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
7981                 if (ret == -2) {
7982                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
7983                         reply_len = 17;
7984                 } else if (ret == -3) {
7985                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
7986                         reply_len = 18;
7987                 } else if (ret == -4) {
7988                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
7989                         reply_len = 20;
7990                 } else if (ret)
7991                         reply_len = -1;
7992         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
7993                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
7994                         reply_len = -1;
7995         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
7996                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
7997                                                                 buf + 18))
7998                         reply_len = -1;
7999         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
8000                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
8001                         reply_len = -1;
8002 #ifdef CONFIG_WPS_NFC
8003         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
8004                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
8005                         wpa_s, buf + 24, reply, reply_size);
8006 #endif /* CONFIG_WPS_NFC */
8007 #endif /* CONFIG_WPS_ER */
8008 #endif /* CONFIG_WPS */
8009 #ifdef CONFIG_IBSS_RSN
8010         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
8011                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
8012                         reply_len = -1;
8013 #endif /* CONFIG_IBSS_RSN */
8014 #ifdef CONFIG_MESH
8015         } else if (os_strncmp(buf, "MESH_INTERFACE_ADD ", 19) == 0) {
8016                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8017                         wpa_s, buf + 19, reply, reply_size);
8018         } else if (os_strcmp(buf, "MESH_INTERFACE_ADD") == 0) {
8019                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8020                         wpa_s, "", reply, reply_size);
8021         } else if (os_strncmp(buf, "MESH_GROUP_ADD ", 15) == 0) {
8022                 if (wpa_supplicant_ctrl_iface_mesh_group_add(wpa_s, buf + 15))
8023                         reply_len = -1;
8024         } else if (os_strncmp(buf, "MESH_GROUP_REMOVE ", 18) == 0) {
8025                 if (wpa_supplicant_ctrl_iface_mesh_group_remove(wpa_s,
8026                                                                 buf + 18))
8027                         reply_len = -1;
8028 #endif /* CONFIG_MESH */
8029 #ifdef CONFIG_P2P
8030         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
8031                 if (p2p_ctrl_find(wpa_s, buf + 8))
8032                         reply_len = -1;
8033         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
8034                 if (p2p_ctrl_find(wpa_s, ""))
8035                         reply_len = -1;
8036         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
8037                 wpas_p2p_stop_find(wpa_s);
8038         } else if (os_strncmp(buf, "P2P_ASP_PROVISION ", 18) == 0) {
8039                 if (p2p_ctrl_asp_provision(wpa_s, buf + 18))
8040                         reply_len = -1;
8041         } else if (os_strncmp(buf, "P2P_ASP_PROVISION_RESP ", 23) == 0) {
8042                 if (p2p_ctrl_asp_provision_resp(wpa_s, buf + 23))
8043                         reply_len = -1;
8044         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
8045                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
8046                                              reply_size);
8047         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
8048                 if (p2p_ctrl_listen(wpa_s, buf + 11))
8049                         reply_len = -1;
8050         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
8051                 if (p2p_ctrl_listen(wpa_s, ""))
8052                         reply_len = -1;
8053         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
8054                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
8055                         reply_len = -1;
8056         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
8057                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0, 0))
8058                         reply_len = -1;
8059         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
8060                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
8061                         reply_len = -1;
8062         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
8063                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
8064                         reply_len = -1;
8065         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
8066                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
8067         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
8068                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
8069                                                    reply_size);
8070         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
8071                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
8072                         reply_len = -1;
8073         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
8074                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
8075                         reply_len = -1;
8076         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
8077                 wpas_p2p_sd_service_update(wpa_s);
8078         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
8079                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
8080                         reply_len = -1;
8081         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
8082                 wpas_p2p_service_flush(wpa_s);
8083         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
8084                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
8085                         reply_len = -1;
8086         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
8087                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
8088                         reply_len = -1;
8089         } else if (os_strncmp(buf, "P2P_SERVICE_REP ", 16) == 0) {
8090                 if (p2p_ctrl_service_replace(wpa_s, buf + 16) < 0)
8091                         reply_len = -1;
8092         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
8093                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
8094                         reply_len = -1;
8095         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
8096                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
8097                         reply_len = -1;
8098         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
8099                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
8100                                               reply_size);
8101         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
8102                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
8103                         reply_len = -1;
8104         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
8105                 p2p_ctrl_flush(wpa_s);
8106         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
8107                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
8108                         reply_len = -1;
8109         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
8110                 if (wpas_p2p_cancel(wpa_s))
8111                         reply_len = -1;
8112         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
8113                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
8114                         reply_len = -1;
8115         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
8116                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
8117                         reply_len = -1;
8118         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
8119                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
8120                         reply_len = -1;
8121         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
8122                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
8123                         reply_len = -1;
8124         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
8125                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
8126                         reply_len = -1;
8127 #endif /* CONFIG_P2P */
8128 #ifdef CONFIG_WIFI_DISPLAY
8129         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
8130                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
8131                         reply_len = -1;
8132         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
8133                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
8134                                                      reply, reply_size);
8135 #endif /* CONFIG_WIFI_DISPLAY */
8136 #ifdef CONFIG_INTERWORKING
8137         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
8138                 if (interworking_fetch_anqp(wpa_s) < 0)
8139                         reply_len = -1;
8140         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
8141                 interworking_stop_fetch_anqp(wpa_s);
8142         } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
8143                 if (ctrl_interworking_select(wpa_s, NULL) < 0)
8144                         reply_len = -1;
8145         } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
8146                 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
8147                         reply_len = -1;
8148         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
8149                 if (ctrl_interworking_connect(wpa_s, buf + 21, 0) < 0)
8150                         reply_len = -1;
8151         } else if (os_strncmp(buf, "INTERWORKING_ADD_NETWORK ", 25) == 0) {
8152                 int id;
8153
8154                 id = ctrl_interworking_connect(wpa_s, buf + 25, 1);
8155                 if (id < 0)
8156                         reply_len = -1;
8157                 else {
8158                         reply_len = os_snprintf(reply, reply_size, "%d\n", id);
8159                         if (os_snprintf_error(reply_size, reply_len))
8160                                 reply_len = -1;
8161                 }
8162         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
8163                 if (get_anqp(wpa_s, buf + 9) < 0)
8164                         reply_len = -1;
8165         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
8166                 if (gas_request(wpa_s, buf + 12) < 0)
8167                         reply_len = -1;
8168         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
8169                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
8170                                              reply_size);
8171 #endif /* CONFIG_INTERWORKING */
8172 #ifdef CONFIG_HS20
8173         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
8174                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
8175                         reply_len = -1;
8176         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
8177                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
8178                         reply_len = -1;
8179         } else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
8180                 if (hs20_icon_request(wpa_s, buf + 18) < 0)
8181                         reply_len = -1;
8182         } else if (os_strcmp(buf, "FETCH_OSU") == 0) {
8183                 if (hs20_fetch_osu(wpa_s) < 0)
8184                         reply_len = -1;
8185         } else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
8186                 hs20_cancel_fetch_osu(wpa_s);
8187 #endif /* CONFIG_HS20 */
8188         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
8189         {
8190                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
8191                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
8192                         reply_len = -1;
8193                 else {
8194                         /*
8195                          * Notify response from timeout to allow the control
8196                          * interface response to be sent first.
8197                          */
8198                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
8199                                                wpa_s, NULL);
8200                 }
8201         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
8202                 if (wpa_supplicant_reload_configuration(wpa_s))
8203                         reply_len = -1;
8204         } else if (os_strcmp(buf, "TERMINATE") == 0) {
8205                 wpa_supplicant_terminate_proc(wpa_s->global);
8206         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
8207                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
8208                         reply_len = -1;
8209         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
8210                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
8211                         wpa_s, buf + 9, reply, reply_size);
8212         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
8213                 reply_len = wpa_supplicant_ctrl_iface_log_level(
8214                         wpa_s, buf + 9, reply, reply_size);
8215         } else if (os_strncmp(buf, "LIST_NETWORKS ", 14) == 0) {
8216                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8217                         wpa_s, buf + 14, reply, reply_size);
8218         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
8219                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8220                         wpa_s, NULL, reply, reply_size);
8221         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
8222 #ifdef CONFIG_SME
8223                 wpa_s->sme.prev_bssid_set = 0;
8224 #endif /* CONFIG_SME */
8225                 wpa_s->reassociate = 0;
8226                 wpa_s->disconnected = 1;
8227                 wpa_supplicant_cancel_sched_scan(wpa_s);
8228                 wpa_supplicant_cancel_scan(wpa_s);
8229                 wpa_supplicant_deauthenticate(wpa_s,
8230                                               WLAN_REASON_DEAUTH_LEAVING);
8231         } else if (os_strcmp(buf, "SCAN") == 0) {
8232                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
8233         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
8234                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
8235         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
8236                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
8237                         wpa_s, reply, reply_size);
8238         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
8239                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
8240                         reply_len = -1;
8241         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
8242                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
8243                         reply_len = -1;
8244         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
8245                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
8246                         reply_len = -1;
8247         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
8248                 reply_len = wpa_supplicant_ctrl_iface_add_network(
8249                         wpa_s, reply, reply_size);
8250         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
8251                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
8252                         reply_len = -1;
8253         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8254                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
8255                         reply_len = -1;
8256         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
8257                 reply_len = wpa_supplicant_ctrl_iface_get_network(
8258                         wpa_s, buf + 12, reply, reply_size);
8259         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
8260                 if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12))
8261                         reply_len = -1;
8262         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
8263                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
8264                         wpa_s, reply, reply_size);
8265         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
8266                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
8267                         wpa_s, reply, reply_size);
8268         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
8269                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
8270                         reply_len = -1;
8271         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
8272                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
8273                         reply_len = -1;
8274         } else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
8275                 reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
8276                                                                reply,
8277                                                                reply_size);
8278 #ifndef CONFIG_NO_CONFIG_WRITE
8279         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
8280                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
8281                         reply_len = -1;
8282 #endif /* CONFIG_NO_CONFIG_WRITE */
8283         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
8284                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
8285                         wpa_s, buf + 15, reply, reply_size);
8286         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
8287                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
8288                         reply_len = -1;
8289         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
8290                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
8291                         reply_len = -1;
8292         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
8293                 reply_len = wpa_supplicant_global_iface_list(
8294                         wpa_s->global, reply, reply_size);
8295         } else if (os_strcmp(buf, "INTERFACES") == 0) {
8296                 reply_len = wpa_supplicant_global_iface_interfaces(
8297                         wpa_s->global, reply, reply_size);
8298         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
8299                 reply_len = wpa_supplicant_ctrl_iface_bss(
8300                         wpa_s, buf + 4, reply, reply_size);
8301 #ifdef CONFIG_AP
8302         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
8303                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
8304         } else if (os_strncmp(buf, "STA ", 4) == 0) {
8305                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
8306                                               reply_size);
8307         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
8308                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
8309                                                    reply_size);
8310         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
8311                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
8312                         reply_len = -1;
8313         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
8314                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
8315                         reply_len = -1;
8316         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
8317                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
8318                         reply_len = -1;
8319         } else if (os_strcmp(buf, "STOP_AP") == 0) {
8320                 if (wpas_ap_stop_ap(wpa_s))
8321                         reply_len = -1;
8322 #endif /* CONFIG_AP */
8323         } else if (os_strcmp(buf, "SUSPEND") == 0) {
8324                 wpas_notify_suspend(wpa_s->global);
8325         } else if (os_strcmp(buf, "RESUME") == 0) {
8326                 wpas_notify_resume(wpa_s->global);
8327 #ifdef CONFIG_TESTING_OPTIONS
8328         } else if (os_strcmp(buf, "DROP_SA") == 0) {
8329                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
8330 #endif /* CONFIG_TESTING_OPTIONS */
8331         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
8332                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
8333                         reply_len = -1;
8334         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
8335                 wpa_s->auto_reconnect_disabled = atoi(buf + 16) == 0;
8336         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
8337                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
8338                         reply_len = -1;
8339         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
8340                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
8341                                                                buf + 17))
8342                         reply_len = -1;
8343         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
8344                 wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10);
8345 #ifdef CONFIG_TDLS
8346         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
8347                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
8348                         reply_len = -1;
8349         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
8350                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
8351                         reply_len = -1;
8352         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
8353                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
8354                         reply_len = -1;
8355         } else if (os_strncmp(buf, "TDLS_CHAN_SWITCH ", 17) == 0) {
8356                 if (wpa_supplicant_ctrl_iface_tdls_chan_switch(wpa_s,
8357                                                                buf + 17))
8358                         reply_len = -1;
8359         } else if (os_strncmp(buf, "TDLS_CANCEL_CHAN_SWITCH ", 24) == 0) {
8360                 if (wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(wpa_s,
8361                                                                       buf + 24))
8362                         reply_len = -1;
8363 #endif /* CONFIG_TDLS */
8364         } else if (os_strcmp(buf, "WMM_AC_STATUS") == 0) {
8365                 reply_len = wpas_wmm_ac_status(wpa_s, reply, reply_size);
8366         } else if (os_strncmp(buf, "WMM_AC_ADDTS ", 13) == 0) {
8367                 if (wmm_ac_ctrl_addts(wpa_s, buf + 13))
8368                         reply_len = -1;
8369         } else if (os_strncmp(buf, "WMM_AC_DELTS ", 13) == 0) {
8370                 if (wmm_ac_ctrl_delts(wpa_s, buf + 13))
8371                         reply_len = -1;
8372         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
8373                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
8374                                                        reply_size);
8375         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
8376                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
8377                                                        reply_size);
8378 #ifdef CONFIG_AUTOSCAN
8379         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
8380                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
8381                         reply_len = -1;
8382 #endif /* CONFIG_AUTOSCAN */
8383 #ifdef ANDROID
8384         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
8385                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
8386                                                       reply_size);
8387 #endif /* ANDROID */
8388         } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
8389                 reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
8390                                                       reply_size);
8391         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
8392                 pmksa_cache_clear_current(wpa_s->wpa);
8393                 eapol_sm_request_reauth(wpa_s->eapol);
8394 #ifdef CONFIG_WNM
8395         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
8396                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
8397                         reply_len = -1;
8398         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 14) == 0) {
8399                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 14))
8400                                 reply_len = -1;
8401 #endif /* CONFIG_WNM */
8402         } else if (os_strcmp(buf, "FLUSH") == 0) {
8403                 wpa_supplicant_ctrl_iface_flush(wpa_s);
8404         } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
8405                 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
8406                                                  reply_size);
8407 #ifdef CONFIG_TESTING_OPTIONS
8408         } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
8409                 if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
8410                         reply_len = -1;
8411         } else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
8412                 wpas_ctrl_iface_mgmt_tx_done(wpa_s);
8413         } else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
8414                 if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
8415                         reply_len = -1;
8416         } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
8417                 if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
8418                         reply_len = -1;
8419         } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
8420                 if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
8421                         reply_len = -1;
8422         } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
8423                 if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
8424                         reply_len = -1;
8425         } else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
8426                 if (wpas_ctrl_iface_data_test_frame(wpa_s, buf + 16) < 0)
8427                         reply_len = -1;
8428         } else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) {
8429                 if (wpas_ctrl_test_alloc_fail(wpa_s, buf + 16) < 0)
8430                         reply_len = -1;
8431         } else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) {
8432                 reply_len = wpas_ctrl_get_alloc_fail(wpa_s, reply, reply_size);
8433 #endif /* CONFIG_TESTING_OPTIONS */
8434         } else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
8435                 if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
8436                         reply_len = -1;
8437         } else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
8438                 reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
8439                                                       reply_size);
8440         } else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
8441                 if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
8442                         reply_len = -1;
8443         } else if (os_strncmp(buf, "NEIGHBOR_REP_REQUEST", 20) == 0) {
8444                 if (wpas_ctrl_iface_send_neigbor_rep(wpa_s, buf + 20))
8445                         reply_len = -1;
8446         } else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
8447                 wpas_ctrl_iface_erp_flush(wpa_s);
8448         } else if (os_strncmp(buf, "MAC_RAND_SCAN ", 14) == 0) {
8449                 if (wpas_ctrl_iface_mac_rand_scan(wpa_s, buf + 14))
8450                         reply_len = -1;
8451         } else {
8452                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
8453                 reply_len = 16;
8454         }
8455
8456         if (reply_len < 0) {
8457                 os_memcpy(reply, "FAIL\n", 5);
8458                 reply_len = 5;
8459         }
8460
8461         *resp_len = reply_len;
8462         return reply;
8463 }
8464
8465
8466 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
8467                                            char *cmd)
8468 {
8469         struct wpa_interface iface;
8470         char *pos;
8471
8472         /*
8473          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
8474          * TAB<bridge_ifname>
8475          */
8476         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
8477
8478         os_memset(&iface, 0, sizeof(iface));
8479
8480         do {
8481                 iface.ifname = pos = cmd;
8482                 pos = os_strchr(pos, '\t');
8483                 if (pos)
8484                         *pos++ = '\0';
8485                 if (iface.ifname[0] == '\0')
8486                         return -1;
8487                 if (pos == NULL)
8488                         break;
8489
8490                 iface.confname = pos;
8491                 pos = os_strchr(pos, '\t');
8492                 if (pos)
8493                         *pos++ = '\0';
8494                 if (iface.confname[0] == '\0')
8495                         iface.confname = NULL;
8496                 if (pos == NULL)
8497                         break;
8498
8499                 iface.driver = pos;
8500                 pos = os_strchr(pos, '\t');
8501                 if (pos)
8502                         *pos++ = '\0';
8503                 if (iface.driver[0] == '\0')
8504                         iface.driver = NULL;
8505                 if (pos == NULL)
8506                         break;
8507
8508                 iface.ctrl_interface = pos;
8509                 pos = os_strchr(pos, '\t');
8510                 if (pos)
8511                         *pos++ = '\0';
8512                 if (iface.ctrl_interface[0] == '\0')
8513                         iface.ctrl_interface = NULL;
8514                 if (pos == NULL)
8515                         break;
8516
8517                 iface.driver_param = pos;
8518                 pos = os_strchr(pos, '\t');
8519                 if (pos)
8520                         *pos++ = '\0';
8521                 if (iface.driver_param[0] == '\0')
8522                         iface.driver_param = NULL;
8523                 if (pos == NULL)
8524                         break;
8525
8526                 iface.bridge_ifname = pos;
8527                 pos = os_strchr(pos, '\t');
8528                 if (pos)
8529                         *pos++ = '\0';
8530                 if (iface.bridge_ifname[0] == '\0')
8531                         iface.bridge_ifname = NULL;
8532                 if (pos == NULL)
8533                         break;
8534         } while (0);
8535
8536         if (wpa_supplicant_get_iface(global, iface.ifname))
8537                 return -1;
8538
8539         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
8540 }
8541
8542
8543 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
8544                                               char *cmd)
8545 {
8546         struct wpa_supplicant *wpa_s;
8547
8548         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
8549
8550         wpa_s = wpa_supplicant_get_iface(global, cmd);
8551         if (wpa_s == NULL)
8552                 return -1;
8553         return wpa_supplicant_remove_iface(global, wpa_s, 0);
8554 }
8555
8556
8557 static void wpa_free_iface_info(struct wpa_interface_info *iface)
8558 {
8559         struct wpa_interface_info *prev;
8560
8561         while (iface) {
8562                 prev = iface;
8563                 iface = iface->next;
8564
8565                 os_free(prev->ifname);
8566                 os_free(prev->desc);
8567                 os_free(prev);
8568         }
8569 }
8570
8571
8572 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
8573                                             char *buf, int len)
8574 {
8575         int i, res;
8576         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
8577         char *pos, *end;
8578
8579         for (i = 0; wpa_drivers[i]; i++) {
8580                 struct wpa_driver_ops *drv = wpa_drivers[i];
8581                 if (drv->get_interfaces == NULL)
8582                         continue;
8583                 tmp = drv->get_interfaces(global->drv_priv[i]);
8584                 if (tmp == NULL)
8585                         continue;
8586
8587                 if (last == NULL)
8588                         iface = last = tmp;
8589                 else
8590                         last->next = tmp;
8591                 while (last->next)
8592                         last = last->next;
8593         }
8594
8595         pos = buf;
8596         end = buf + len;
8597         for (tmp = iface; tmp; tmp = tmp->next) {
8598                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
8599                                   tmp->drv_name, tmp->ifname,
8600                                   tmp->desc ? tmp->desc : "");
8601                 if (os_snprintf_error(end - pos, res)) {
8602                         *pos = '\0';
8603                         break;
8604                 }
8605                 pos += res;
8606         }
8607
8608         wpa_free_iface_info(iface);
8609
8610         return pos - buf;
8611 }
8612
8613
8614 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
8615                                                   char *buf, int len)
8616 {
8617         int res;
8618         char *pos, *end;
8619         struct wpa_supplicant *wpa_s;
8620
8621         wpa_s = global->ifaces;
8622         pos = buf;
8623         end = buf + len;
8624
8625         while (wpa_s) {
8626                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
8627                 if (os_snprintf_error(end - pos, res)) {
8628                         *pos = '\0';
8629                         break;
8630                 }
8631                 pos += res;
8632                 wpa_s = wpa_s->next;
8633         }
8634         return pos - buf;
8635 }
8636
8637
8638 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
8639                                             const char *ifname,
8640                                             char *cmd, size_t *resp_len)
8641 {
8642         struct wpa_supplicant *wpa_s;
8643
8644         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
8645                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
8646                         break;
8647         }
8648
8649         if (wpa_s == NULL) {
8650                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
8651                 if (resp)
8652                         *resp_len = os_strlen(resp);
8653                 else
8654                         *resp_len = 1;
8655                 return resp;
8656         }
8657
8658         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
8659 }
8660
8661
8662 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
8663                                                char *buf, size_t *resp_len)
8664 {
8665 #ifdef CONFIG_P2P
8666         static const char * cmd[] = {
8667                 "LIST_NETWORKS",
8668                 "P2P_FIND",
8669                 "P2P_STOP_FIND",
8670                 "P2P_LISTEN",
8671                 "P2P_GROUP_ADD",
8672                 "P2P_GET_PASSPHRASE",
8673                 "P2P_SERVICE_UPDATE",
8674                 "P2P_SERVICE_FLUSH",
8675                 "P2P_FLUSH",
8676                 "P2P_CANCEL",
8677                 "P2P_PRESENCE_REQ",
8678                 "P2P_EXT_LISTEN",
8679                 NULL
8680         };
8681         static const char * prefix[] = {
8682 #ifdef ANDROID
8683                 "DRIVER ",
8684 #endif /* ANDROID */
8685                 "GET_NETWORK ",
8686                 "REMOVE_NETWORK ",
8687                 "P2P_FIND ",
8688                 "P2P_CONNECT ",
8689                 "P2P_LISTEN ",
8690                 "P2P_GROUP_REMOVE ",
8691                 "P2P_GROUP_ADD ",
8692                 "P2P_PROV_DISC ",
8693                 "P2P_SERV_DISC_REQ ",
8694                 "P2P_SERV_DISC_CANCEL_REQ ",
8695                 "P2P_SERV_DISC_RESP ",
8696                 "P2P_SERV_DISC_EXTERNAL ",
8697                 "P2P_SERVICE_ADD ",
8698                 "P2P_SERVICE_DEL ",
8699                 "P2P_SERVICE_REP ",
8700                 "P2P_REJECT ",
8701                 "P2P_INVITE ",
8702                 "P2P_PEER ",
8703                 "P2P_SET ",
8704                 "P2P_UNAUTHORIZE ",
8705                 "P2P_PRESENCE_REQ ",
8706                 "P2P_EXT_LISTEN ",
8707                 "P2P_REMOVE_CLIENT ",
8708                 "WPS_NFC_TOKEN ",
8709                 "WPS_NFC_TAG_READ ",
8710                 "NFC_GET_HANDOVER_SEL ",
8711                 "NFC_GET_HANDOVER_REQ ",
8712                 "NFC_REPORT_HANDOVER ",
8713                 "P2P_ASP_PROVISION ",
8714                 "P2P_ASP_PROVISION_RESP ",
8715                 NULL
8716         };
8717         int found = 0;
8718         int i;
8719
8720         if (global->p2p_init_wpa_s == NULL)
8721                 return NULL;
8722
8723         for (i = 0; !found && cmd[i]; i++) {
8724                 if (os_strcmp(buf, cmd[i]) == 0)
8725                         found = 1;
8726         }
8727
8728         for (i = 0; !found && prefix[i]; i++) {
8729                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
8730                         found = 1;
8731         }
8732
8733         if (found)
8734                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
8735                                                          buf, resp_len);
8736 #endif /* CONFIG_P2P */
8737         return NULL;
8738 }
8739
8740
8741 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
8742                                                char *buf, size_t *resp_len)
8743 {
8744 #ifdef CONFIG_WIFI_DISPLAY
8745         if (global->p2p_init_wpa_s == NULL)
8746                 return NULL;
8747         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
8748             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
8749                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
8750                                                          buf, resp_len);
8751 #endif /* CONFIG_WIFI_DISPLAY */
8752         return NULL;
8753 }
8754
8755
8756 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
8757                                            char *buf, size_t *resp_len)
8758 {
8759         char *ret;
8760
8761         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
8762         if (ret)
8763                 return ret;
8764
8765         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
8766         if (ret)
8767                 return ret;
8768
8769         return NULL;
8770 }
8771
8772
8773 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
8774 {
8775         char *value;
8776
8777         value = os_strchr(cmd, ' ');
8778         if (value == NULL)
8779                 return -1;
8780         *value++ = '\0';
8781
8782         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
8783
8784 #ifdef CONFIG_WIFI_DISPLAY
8785         if (os_strcasecmp(cmd, "wifi_display") == 0) {
8786                 wifi_display_enable(global, !!atoi(value));
8787                 return 0;
8788         }
8789 #endif /* CONFIG_WIFI_DISPLAY */
8790
8791         /* Restore cmd to its original value to allow redirection */
8792         value[-1] = ' ';
8793
8794         return -1;
8795 }
8796
8797
8798 #ifndef CONFIG_NO_CONFIG_WRITE
8799 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
8800 {
8801         int ret = 0, saved = 0;
8802         struct wpa_supplicant *wpa_s;
8803
8804         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
8805                 if (!wpa_s->conf->update_config) {
8806                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
8807                         continue;
8808                 }
8809
8810                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
8811                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
8812                         ret = 1;
8813                 } else {
8814                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
8815                         saved++;
8816                 }
8817         }
8818
8819         if (!saved && !ret) {
8820                 wpa_dbg(wpa_s, MSG_DEBUG,
8821                         "CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
8822                 ret = 1;
8823         }
8824
8825         return ret;
8826 }
8827 #endif /* CONFIG_NO_CONFIG_WRITE */
8828
8829
8830 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
8831                                          char *buf, size_t buflen)
8832 {
8833         char *pos, *end;
8834         int ret;
8835         struct wpa_supplicant *wpa_s;
8836
8837         pos = buf;
8838         end = buf + buflen;
8839
8840 #ifdef CONFIG_P2P
8841         if (global->p2p && !global->p2p_disabled) {
8842                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
8843                                   "\n"
8844                                   "p2p_state=%s\n",
8845                                   MAC2STR(global->p2p_dev_addr),
8846                                   p2p_get_state_txt(global->p2p));
8847                 if (os_snprintf_error(end - pos, ret))
8848                         return pos - buf;
8849                 pos += ret;
8850         } else if (global->p2p) {
8851                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
8852                 if (os_snprintf_error(end - pos, ret))
8853                         return pos - buf;
8854                 pos += ret;
8855         }
8856 #endif /* CONFIG_P2P */
8857
8858 #ifdef CONFIG_WIFI_DISPLAY
8859         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
8860                           !!global->wifi_display);
8861         if (os_snprintf_error(end - pos, ret))
8862                 return pos - buf;
8863         pos += ret;
8864 #endif /* CONFIG_WIFI_DISPLAY */
8865
8866         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
8867                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
8868                                   "address=" MACSTR "\n",
8869                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
8870                 if (os_snprintf_error(end - pos, ret))
8871                         return pos - buf;
8872                 pos += ret;
8873         }
8874
8875         return pos - buf;
8876 }
8877
8878
8879 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
8880                                                 char *buf, size_t *resp_len)
8881 {
8882         char *reply;
8883         const int reply_size = 2048;
8884         int reply_len;
8885         int level = MSG_DEBUG;
8886
8887         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
8888                 char *pos = os_strchr(buf + 7, ' ');
8889                 if (pos) {
8890                         *pos++ = '\0';
8891                         return wpas_global_ctrl_iface_ifname(global,
8892                                                              buf + 7, pos,
8893                                                              resp_len);
8894                 }
8895         }
8896
8897         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
8898         if (reply)
8899                 return reply;
8900
8901         if (os_strcmp(buf, "PING") == 0)
8902                 level = MSG_EXCESSIVE;
8903         wpa_hexdump_ascii(level, "RX global ctrl_iface",
8904                           (const u8 *) buf, os_strlen(buf));
8905
8906         reply = os_malloc(reply_size);
8907         if (reply == NULL) {
8908                 *resp_len = 1;
8909                 return NULL;
8910         }
8911
8912         os_memcpy(reply, "OK\n", 3);
8913         reply_len = 3;
8914
8915         if (os_strcmp(buf, "PING") == 0) {
8916                 os_memcpy(reply, "PONG\n", 5);
8917                 reply_len = 5;
8918         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
8919                 if (wpa_supplicant_global_iface_add(global, buf + 14))
8920                         reply_len = -1;
8921         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
8922                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
8923                         reply_len = -1;
8924         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
8925                 reply_len = wpa_supplicant_global_iface_list(
8926                         global, reply, reply_size);
8927         } else if (os_strcmp(buf, "INTERFACES") == 0) {
8928                 reply_len = wpa_supplicant_global_iface_interfaces(
8929                         global, reply, reply_size);
8930         } else if (os_strcmp(buf, "TERMINATE") == 0) {
8931                 wpa_supplicant_terminate_proc(global);
8932         } else if (os_strcmp(buf, "SUSPEND") == 0) {
8933                 wpas_notify_suspend(global);
8934         } else if (os_strcmp(buf, "RESUME") == 0) {
8935                 wpas_notify_resume(global);
8936         } else if (os_strncmp(buf, "SET ", 4) == 0) {
8937                 if (wpas_global_ctrl_iface_set(global, buf + 4)) {
8938 #ifdef CONFIG_P2P
8939                         if (global->p2p_init_wpa_s) {
8940                                 os_free(reply);
8941                                 /* Check if P2P redirection would work for this
8942                                  * command. */
8943                                 return wpa_supplicant_ctrl_iface_process(
8944                                         global->p2p_init_wpa_s,
8945                                         buf, resp_len);
8946                         }
8947 #endif /* CONFIG_P2P */
8948                         reply_len = -1;
8949                 }
8950 #ifndef CONFIG_NO_CONFIG_WRITE
8951         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
8952                 if (wpas_global_ctrl_iface_save_config(global))
8953                         reply_len = -1;
8954 #endif /* CONFIG_NO_CONFIG_WRITE */
8955         } else if (os_strcmp(buf, "STATUS") == 0) {
8956                 reply_len = wpas_global_ctrl_iface_status(global, reply,
8957                                                           reply_size);
8958 #ifdef CONFIG_MODULE_TESTS
8959         } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
8960                 int wpas_module_tests(void);
8961                 if (wpas_module_tests() < 0)
8962                         reply_len = -1;
8963 #endif /* CONFIG_MODULE_TESTS */
8964         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
8965                 if (wpa_debug_reopen_file() < 0)
8966                         reply_len = -1;
8967         } else {
8968                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
8969                 reply_len = 16;
8970         }
8971
8972         if (reply_len < 0) {
8973                 os_memcpy(reply, "FAIL\n", 5);
8974                 reply_len = 5;
8975         }
8976
8977         *resp_len = reply_len;
8978         return reply;
8979 }