Suite B: Add AKM 00-0F-AC:11
[mech_eap.git] / wpa_supplicant / ctrl_iface.c
1 /*
2  * WPA Supplicant / Control interface (shared code for all backends)
3  * Copyright (c) 2004-2014, 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 "ap/hostapd.h"
23 #include "eap_peer/eap.h"
24 #include "eapol_supp/eapol_supp_sm.h"
25 #include "rsn_supp/wpa.h"
26 #include "rsn_supp/preauth.h"
27 #include "rsn_supp/pmksa_cache.h"
28 #include "l2_packet/l2_packet.h"
29 #include "wps/wps.h"
30 #include "config.h"
31 #include "wpa_supplicant_i.h"
32 #include "driver_i.h"
33 #include "wps_supplicant.h"
34 #include "ibss_rsn.h"
35 #include "ap.h"
36 #include "p2p_supplicant.h"
37 #include "p2p/p2p.h"
38 #include "hs20_supplicant.h"
39 #include "wifi_display.h"
40 #include "notify.h"
41 #include "bss.h"
42 #include "scan.h"
43 #include "ctrl_iface.h"
44 #include "interworking.h"
45 #include "blacklist.h"
46 #include "autoscan.h"
47 #include "wnm_sta.h"
48 #include "offchannel.h"
49 #include "drivers/driver.h"
50
51 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
52                                             char *buf, int len);
53 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
54                                                   char *buf, int len);
55 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s,
56                                         char *val);
57
58 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
59 {
60         char *pos;
61         u8 addr[ETH_ALEN], *filter = NULL, *n;
62         size_t count = 0;
63
64         pos = val;
65         while (pos) {
66                 if (*pos == '\0')
67                         break;
68                 if (hwaddr_aton(pos, addr)) {
69                         os_free(filter);
70                         return -1;
71                 }
72                 n = os_realloc_array(filter, count + 1, ETH_ALEN);
73                 if (n == NULL) {
74                         os_free(filter);
75                         return -1;
76                 }
77                 filter = n;
78                 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
79                 count++;
80
81                 pos = os_strchr(pos, ' ');
82                 if (pos)
83                         pos++;
84         }
85
86         wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
87         os_free(wpa_s->bssid_filter);
88         wpa_s->bssid_filter = filter;
89         wpa_s->bssid_filter_count = count;
90
91         return 0;
92 }
93
94
95 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
96 {
97         char *pos;
98         u8 addr[ETH_ALEN], *bssid = NULL, *n;
99         struct wpa_ssid_value *ssid = NULL, *ns;
100         size_t count = 0, ssid_count = 0;
101         struct wpa_ssid *c;
102
103         /*
104          * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | ""
105          * SSID_SPEC ::= ssid <SSID_HEX>
106          * BSSID_SPEC ::= bssid <BSSID_HEX>
107          */
108
109         pos = val;
110         while (pos) {
111                 if (*pos == '\0')
112                         break;
113                 if (os_strncmp(pos, "bssid ", 6) == 0) {
114                         int res;
115                         pos += 6;
116                         res = hwaddr_aton2(pos, addr);
117                         if (res < 0) {
118                                 os_free(ssid);
119                                 os_free(bssid);
120                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
121                                            "BSSID value '%s'", pos);
122                                 return -1;
123                         }
124                         pos += res;
125                         n = os_realloc_array(bssid, count + 1, ETH_ALEN);
126                         if (n == NULL) {
127                                 os_free(ssid);
128                                 os_free(bssid);
129                                 return -1;
130                         }
131                         bssid = n;
132                         os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
133                         count++;
134                 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
135                         char *end;
136                         pos += 5;
137
138                         end = pos;
139                         while (*end) {
140                                 if (*end == '\0' || *end == ' ')
141                                         break;
142                                 end++;
143                         }
144
145                         ns = os_realloc_array(ssid, ssid_count + 1,
146                                               sizeof(struct wpa_ssid_value));
147                         if (ns == NULL) {
148                                 os_free(ssid);
149                                 os_free(bssid);
150                                 return -1;
151                         }
152                         ssid = ns;
153
154                         if ((end - pos) & 0x01 || end - pos > 2 * 32 ||
155                             hexstr2bin(pos, ssid[ssid_count].ssid,
156                                        (end - pos) / 2) < 0) {
157                                 os_free(ssid);
158                                 os_free(bssid);
159                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
160                                            "SSID value '%s'", pos);
161                                 return -1;
162                         }
163                         ssid[ssid_count].ssid_len = (end - pos) / 2;
164                         wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
165                                           ssid[ssid_count].ssid,
166                                           ssid[ssid_count].ssid_len);
167                         ssid_count++;
168                         pos = end;
169                 } else {
170                         wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
171                                    "'%s'", pos);
172                         os_free(ssid);
173                         os_free(bssid);
174                         return -1;
175                 }
176
177                 pos = os_strchr(pos, ' ');
178                 if (pos)
179                         pos++;
180         }
181
182         wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
183         os_free(wpa_s->disallow_aps_bssid);
184         wpa_s->disallow_aps_bssid = bssid;
185         wpa_s->disallow_aps_bssid_count = count;
186
187         wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
188         os_free(wpa_s->disallow_aps_ssid);
189         wpa_s->disallow_aps_ssid = ssid;
190         wpa_s->disallow_aps_ssid_count = ssid_count;
191
192         if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
193                 return 0;
194
195         c = wpa_s->current_ssid;
196         if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
197                 return 0;
198
199         if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
200             !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
201                 return 0;
202
203         wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
204                    "because current AP was marked disallowed");
205
206 #ifdef CONFIG_SME
207         wpa_s->sme.prev_bssid_set = 0;
208 #endif /* CONFIG_SME */
209         wpa_s->reassociate = 1;
210         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
211         wpa_supplicant_req_scan(wpa_s, 0, 0);
212
213         return 0;
214 }
215
216
217 #ifndef CONFIG_NO_CONFIG_BLOBS
218 static int wpas_ctrl_set_blob(struct wpa_supplicant *wpa_s, char *pos)
219 {
220         char *name = pos;
221         struct wpa_config_blob *blob;
222         size_t len;
223
224         pos = os_strchr(pos, ' ');
225         if (pos == NULL)
226                 return -1;
227         *pos++ = '\0';
228         len = os_strlen(pos);
229         if (len & 1)
230                 return -1;
231
232         wpa_printf(MSG_DEBUG, "CTRL: Set blob '%s'", name);
233         blob = os_zalloc(sizeof(*blob));
234         if (blob == NULL)
235                 return -1;
236         blob->name = os_strdup(name);
237         blob->data = os_malloc(len / 2);
238         if (blob->name == NULL || blob->data == NULL) {
239                 wpa_config_free_blob(blob);
240                 return -1;
241         }
242
243         if (hexstr2bin(pos, blob->data, len / 2) < 0) {
244                 wpa_printf(MSG_DEBUG, "CTRL: Invalid blob hex data");
245                 wpa_config_free_blob(blob);
246                 return -1;
247         }
248         blob->len = len / 2;
249
250         wpa_config_set_blob(wpa_s->conf, blob);
251
252         return 0;
253 }
254 #endif /* CONFIG_NO_CONFIG_BLOBS */
255
256
257 static int wpas_ctrl_pno(struct wpa_supplicant *wpa_s, char *cmd)
258 {
259         char *params;
260         char *pos;
261         int *freqs = NULL;
262         int ret;
263
264         if (atoi(cmd)) {
265                 params = os_strchr(cmd, ' ');
266                 os_free(wpa_s->manual_sched_scan_freqs);
267                 if (params) {
268                         params++;
269                         pos = os_strstr(params, "freq=");
270                         if (pos)
271                                 freqs = freq_range_to_channel_list(wpa_s,
272                                                                    pos + 5);
273                 }
274                 wpa_s->manual_sched_scan_freqs = freqs;
275                 ret = wpas_start_pno(wpa_s);
276         } else {
277                 ret = wpas_stop_pno(wpa_s);
278         }
279         return ret;
280 }
281
282
283 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
284                                          char *cmd)
285 {
286         char *value;
287         int ret = 0;
288
289         value = os_strchr(cmd, ' ');
290         if (value == NULL)
291                 return -1;
292         *value++ = '\0';
293
294         wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
295         if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
296                 eapol_sm_configure(wpa_s->eapol,
297                                    atoi(value), -1, -1, -1);
298         } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
299                 eapol_sm_configure(wpa_s->eapol,
300                                    -1, atoi(value), -1, -1);
301         } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
302                 eapol_sm_configure(wpa_s->eapol,
303                                    -1, -1, atoi(value), -1);
304         } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
305                 eapol_sm_configure(wpa_s->eapol,
306                                    -1, -1, -1, atoi(value));
307         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
308                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
309                                      atoi(value)))
310                         ret = -1;
311         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
312                    0) {
313                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
314                                      atoi(value)))
315                         ret = -1;
316         } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
317                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
318                         ret = -1;
319         } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
320                 wpa_s->wps_fragment_size = atoi(value);
321 #ifdef CONFIG_WPS_TESTING
322         } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
323                 long int val;
324                 val = strtol(value, NULL, 0);
325                 if (val < 0 || val > 0xff) {
326                         ret = -1;
327                         wpa_printf(MSG_DEBUG, "WPS: Invalid "
328                                    "wps_version_number %ld", val);
329                 } else {
330                         wps_version_number = val;
331                         wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
332                                    "version %u.%u",
333                                    (wps_version_number & 0xf0) >> 4,
334                                    wps_version_number & 0x0f);
335                 }
336         } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
337                 wps_testing_dummy_cred = atoi(value);
338                 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
339                            wps_testing_dummy_cred);
340         } else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
341                 wps_corrupt_pkhash = atoi(value);
342                 wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
343                            wps_corrupt_pkhash);
344 #endif /* CONFIG_WPS_TESTING */
345         } else if (os_strcasecmp(cmd, "ampdu") == 0) {
346                 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
347                         ret = -1;
348 #ifdef CONFIG_TDLS
349 #ifdef CONFIG_TDLS_TESTING
350         } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
351                 extern unsigned int tdls_testing;
352                 tdls_testing = strtol(value, NULL, 0);
353                 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
354 #endif /* CONFIG_TDLS_TESTING */
355         } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
356                 int disabled = atoi(value);
357                 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
358                 if (disabled) {
359                         if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
360                                 ret = -1;
361                 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
362                         ret = -1;
363                 wpa_tdls_enable(wpa_s->wpa, !disabled);
364 #endif /* CONFIG_TDLS */
365         } else if (os_strcasecmp(cmd, "pno") == 0) {
366                 ret = wpas_ctrl_pno(wpa_s, value);
367         } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
368                 int disabled = atoi(value);
369                 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
370                         ret = -1;
371                 else if (disabled)
372                         wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
373         } else if (os_strcasecmp(cmd, "uapsd") == 0) {
374                 if (os_strcmp(value, "disable") == 0)
375                         wpa_s->set_sta_uapsd = 0;
376                 else {
377                         int be, bk, vi, vo;
378                         char *pos;
379                         /* format: BE,BK,VI,VO;max SP Length */
380                         be = atoi(value);
381                         pos = os_strchr(value, ',');
382                         if (pos == NULL)
383                                 return -1;
384                         pos++;
385                         bk = atoi(pos);
386                         pos = os_strchr(pos, ',');
387                         if (pos == NULL)
388                                 return -1;
389                         pos++;
390                         vi = atoi(pos);
391                         pos = os_strchr(pos, ',');
392                         if (pos == NULL)
393                                 return -1;
394                         pos++;
395                         vo = atoi(pos);
396                         /* ignore max SP Length for now */
397
398                         wpa_s->set_sta_uapsd = 1;
399                         wpa_s->sta_uapsd = 0;
400                         if (be)
401                                 wpa_s->sta_uapsd |= BIT(0);
402                         if (bk)
403                                 wpa_s->sta_uapsd |= BIT(1);
404                         if (vi)
405                                 wpa_s->sta_uapsd |= BIT(2);
406                         if (vo)
407                                 wpa_s->sta_uapsd |= BIT(3);
408                 }
409         } else if (os_strcasecmp(cmd, "ps") == 0) {
410                 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
411 #ifdef CONFIG_WIFI_DISPLAY
412         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
413                 int enabled = !!atoi(value);
414                 if (enabled && !wpa_s->global->p2p)
415                         ret = -1;
416                 else
417                         wifi_display_enable(wpa_s->global, enabled);
418 #endif /* CONFIG_WIFI_DISPLAY */
419         } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
420                 ret = set_bssid_filter(wpa_s, value);
421         } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
422                 ret = set_disallow_aps(wpa_s, value);
423         } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
424                 wpa_s->no_keep_alive = !!atoi(value);
425 #ifdef CONFIG_TESTING_OPTIONS
426         } else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) {
427                 wpa_s->ext_mgmt_frame_handling = !!atoi(value);
428         } else if (os_strcasecmp(cmd, "ext_eapol_frame_io") == 0) {
429                 wpa_s->ext_eapol_frame_io = !!atoi(value);
430 #ifdef CONFIG_AP
431                 if (wpa_s->ap_iface) {
432                         wpa_s->ap_iface->bss[0]->ext_eapol_frame_io =
433                                 wpa_s->ext_eapol_frame_io;
434                 }
435 #endif /* CONFIG_AP */
436         } else if (os_strcasecmp(cmd, "extra_roc_dur") == 0) {
437                 wpa_s->extra_roc_dur = atoi(value);
438 #endif /* CONFIG_TESTING_OPTIONS */
439 #ifndef CONFIG_NO_CONFIG_BLOBS
440         } else if (os_strcmp(cmd, "blob") == 0) {
441                 ret = wpas_ctrl_set_blob(wpa_s, value);
442 #endif /* CONFIG_NO_CONFIG_BLOBS */
443         } else {
444                 value[-1] = '=';
445                 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
446                 if (ret == 0)
447                         wpa_supplicant_update_config(wpa_s);
448         }
449
450         return ret;
451 }
452
453
454 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
455                                          char *cmd, char *buf, size_t buflen)
456 {
457         int res = -1;
458
459         wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
460
461         if (os_strcmp(cmd, "version") == 0) {
462                 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
463         } else if (os_strcasecmp(cmd, "country") == 0) {
464                 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
465                         res = os_snprintf(buf, buflen, "%c%c",
466                                           wpa_s->conf->country[0],
467                                           wpa_s->conf->country[1]);
468 #ifdef CONFIG_WIFI_DISPLAY
469         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
470                 int enabled;
471                 if (wpa_s->global->p2p == NULL ||
472                     wpa_s->global->p2p_disabled)
473                         enabled = 0;
474                 else
475                         enabled = wpa_s->global->wifi_display;
476                 res = os_snprintf(buf, buflen, "%d", enabled);
477                 if (res < 0 || (unsigned int) res >= buflen)
478                         return -1;
479                 return res;
480 #endif /* CONFIG_WIFI_DISPLAY */
481 #ifdef CONFIG_TESTING_GET_GTK
482         } else if (os_strcmp(cmd, "gtk") == 0) {
483                 if (wpa_s->last_gtk_len == 0)
484                         return -1;
485                 res = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk,
486                                        wpa_s->last_gtk_len);
487                 return res;
488 #endif /* CONFIG_TESTING_GET_GTK */
489         }
490
491         if (res < 0 || (unsigned int) res >= buflen)
492                 return -1;
493         return res;
494 }
495
496
497 #ifdef IEEE8021X_EAPOL
498 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
499                                              char *addr)
500 {
501         u8 bssid[ETH_ALEN];
502         struct wpa_ssid *ssid = wpa_s->current_ssid;
503
504         if (hwaddr_aton(addr, bssid)) {
505                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
506                            "'%s'", addr);
507                 return -1;
508         }
509
510         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
511         rsn_preauth_deinit(wpa_s->wpa);
512         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
513                 return -1;
514
515         return 0;
516 }
517 #endif /* IEEE8021X_EAPOL */
518
519
520 #ifdef CONFIG_PEERKEY
521 /* MLME-STKSTART.request(peer) */
522 static int wpa_supplicant_ctrl_iface_stkstart(
523         struct wpa_supplicant *wpa_s, char *addr)
524 {
525         u8 peer[ETH_ALEN];
526
527         if (hwaddr_aton(addr, peer)) {
528                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
529                            "address '%s'", addr);
530                 return -1;
531         }
532
533         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
534                    MAC2STR(peer));
535
536         return wpa_sm_stkstart(wpa_s->wpa, peer);
537 }
538 #endif /* CONFIG_PEERKEY */
539
540
541 #ifdef CONFIG_TDLS
542
543 static int wpa_supplicant_ctrl_iface_tdls_discover(
544         struct wpa_supplicant *wpa_s, char *addr)
545 {
546         u8 peer[ETH_ALEN];
547         int ret;
548
549         if (hwaddr_aton(addr, peer)) {
550                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
551                            "address '%s'", addr);
552                 return -1;
553         }
554
555         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
556                    MAC2STR(peer));
557
558         if (wpa_tdls_is_external_setup(wpa_s->wpa))
559                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
560         else
561                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
562
563         return ret;
564 }
565
566
567 static int wpa_supplicant_ctrl_iface_tdls_setup(
568         struct wpa_supplicant *wpa_s, char *addr)
569 {
570         u8 peer[ETH_ALEN];
571         int ret;
572
573         if (hwaddr_aton(addr, peer)) {
574                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
575                            "address '%s'", addr);
576                 return -1;
577         }
578
579         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
580                    MAC2STR(peer));
581
582         if ((wpa_s->conf->tdls_external_control) &&
583             wpa_tdls_is_external_setup(wpa_s->wpa))
584                 return wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
585
586         wpa_tdls_remove(wpa_s->wpa, peer);
587
588         if (wpa_tdls_is_external_setup(wpa_s->wpa))
589                 ret = wpa_tdls_start(wpa_s->wpa, peer);
590         else
591                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
592
593         return ret;
594 }
595
596
597 static int wpa_supplicant_ctrl_iface_tdls_teardown(
598         struct wpa_supplicant *wpa_s, char *addr)
599 {
600         u8 peer[ETH_ALEN];
601         int ret;
602
603         if (os_strcmp(addr, "*") == 0) {
604                 /* remove everyone */
605                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN *");
606                 wpa_tdls_teardown_peers(wpa_s->wpa);
607                 return 0;
608         }
609
610         if (hwaddr_aton(addr, peer)) {
611                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
612                            "address '%s'", addr);
613                 return -1;
614         }
615
616         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
617                    MAC2STR(peer));
618
619         if ((wpa_s->conf->tdls_external_control) &&
620             wpa_tdls_is_external_setup(wpa_s->wpa))
621                 return wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
622
623         if (wpa_tdls_is_external_setup(wpa_s->wpa))
624                 ret = wpa_tdls_teardown_link(
625                         wpa_s->wpa, peer,
626                         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
627         else
628                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
629
630         return ret;
631 }
632
633
634 static int ctrl_iface_get_capability_tdls(
635         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
636 {
637         int ret;
638
639         ret = os_snprintf(buf, buflen, "%s\n",
640                           wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT ?
641                           (wpa_s->drv_flags &
642                            WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP ?
643                            "EXTERNAL" : "INTERNAL") : "UNSUPPORTED");
644         if (ret < 0 || (size_t) ret > buflen)
645                 return -1;
646         return ret;
647 }
648
649 #endif /* CONFIG_TDLS */
650
651
652 #ifdef CONFIG_IEEE80211R
653 static int wpa_supplicant_ctrl_iface_ft_ds(
654         struct wpa_supplicant *wpa_s, char *addr)
655 {
656         u8 target_ap[ETH_ALEN];
657         struct wpa_bss *bss;
658         const u8 *mdie;
659
660         if (hwaddr_aton(addr, target_ap)) {
661                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
662                            "address '%s'", addr);
663                 return -1;
664         }
665
666         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
667
668         bss = wpa_bss_get_bssid(wpa_s, target_ap);
669         if (bss)
670                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
671         else
672                 mdie = NULL;
673
674         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
675 }
676 #endif /* CONFIG_IEEE80211R */
677
678
679 #ifdef CONFIG_WPS
680 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
681                                              char *cmd)
682 {
683         u8 bssid[ETH_ALEN], *_bssid = bssid;
684 #ifdef CONFIG_P2P
685         u8 p2p_dev_addr[ETH_ALEN];
686 #endif /* CONFIG_P2P */
687 #ifdef CONFIG_AP
688         u8 *_p2p_dev_addr = NULL;
689 #endif /* CONFIG_AP */
690
691         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
692                 _bssid = NULL;
693 #ifdef CONFIG_P2P
694         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
695                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
696                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
697                                    "P2P Device Address '%s'",
698                                    cmd + 13);
699                         return -1;
700                 }
701                 _p2p_dev_addr = p2p_dev_addr;
702 #endif /* CONFIG_P2P */
703         } else if (hwaddr_aton(cmd, bssid)) {
704                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
705                            cmd);
706                 return -1;
707         }
708
709 #ifdef CONFIG_AP
710         if (wpa_s->ap_iface)
711                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
712 #endif /* CONFIG_AP */
713
714         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
715 }
716
717
718 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
719                                              char *cmd, char *buf,
720                                              size_t buflen)
721 {
722         u8 bssid[ETH_ALEN], *_bssid = bssid;
723         char *pin;
724         int ret;
725
726         pin = os_strchr(cmd, ' ');
727         if (pin)
728                 *pin++ = '\0';
729
730         if (os_strcmp(cmd, "any") == 0)
731                 _bssid = NULL;
732         else if (os_strcmp(cmd, "get") == 0) {
733                 ret = wps_generate_pin();
734                 goto done;
735         } else if (hwaddr_aton(cmd, bssid)) {
736                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
737                            cmd);
738                 return -1;
739         }
740
741 #ifdef CONFIG_AP
742         if (wpa_s->ap_iface) {
743                 int timeout = 0;
744                 char *pos;
745
746                 if (pin) {
747                         pos = os_strchr(pin, ' ');
748                         if (pos) {
749                                 *pos++ = '\0';
750                                 timeout = atoi(pos);
751                         }
752                 }
753
754                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
755                                                  buf, buflen, timeout);
756         }
757 #endif /* CONFIG_AP */
758
759         if (pin) {
760                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
761                                          DEV_PW_DEFAULT);
762                 if (ret < 0)
763                         return -1;
764                 ret = os_snprintf(buf, buflen, "%s", pin);
765                 if (ret < 0 || (size_t) ret >= buflen)
766                         return -1;
767                 return ret;
768         }
769
770         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
771         if (ret < 0)
772                 return -1;
773
774 done:
775         /* Return the generated PIN */
776         ret = os_snprintf(buf, buflen, "%08d", ret);
777         if (ret < 0 || (size_t) ret >= buflen)
778                 return -1;
779         return ret;
780 }
781
782
783 static int wpa_supplicant_ctrl_iface_wps_check_pin(
784         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
785 {
786         char pin[9];
787         size_t len;
788         char *pos;
789         int ret;
790
791         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
792                               (u8 *) cmd, os_strlen(cmd));
793         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
794                 if (*pos < '0' || *pos > '9')
795                         continue;
796                 pin[len++] = *pos;
797                 if (len == 9) {
798                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
799                         return -1;
800                 }
801         }
802         if (len != 4 && len != 8) {
803                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
804                 return -1;
805         }
806         pin[len] = '\0';
807
808         if (len == 8) {
809                 unsigned int pin_val;
810                 pin_val = atoi(pin);
811                 if (!wps_pin_valid(pin_val)) {
812                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
813                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
814                         if (ret < 0 || (size_t) ret >= buflen)
815                                 return -1;
816                         return ret;
817                 }
818         }
819
820         ret = os_snprintf(buf, buflen, "%s", pin);
821         if (ret < 0 || (size_t) ret >= buflen)
822                 return -1;
823
824         return ret;
825 }
826
827
828 #ifdef CONFIG_WPS_NFC
829
830 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
831                                              char *cmd)
832 {
833         u8 bssid[ETH_ALEN], *_bssid = bssid;
834
835         if (cmd == NULL || cmd[0] == '\0')
836                 _bssid = NULL;
837         else if (hwaddr_aton(cmd, bssid))
838                 return -1;
839
840         return wpas_wps_start_nfc(wpa_s, NULL, _bssid, NULL, 0, 0, NULL, NULL,
841                                   0, 0);
842 }
843
844
845 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
846         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
847 {
848         int ndef;
849         struct wpabuf *buf;
850         int res;
851         char *pos;
852
853         pos = os_strchr(cmd, ' ');
854         if (pos)
855                 *pos++ = '\0';
856         if (os_strcmp(cmd, "WPS") == 0)
857                 ndef = 0;
858         else if (os_strcmp(cmd, "NDEF") == 0)
859                 ndef = 1;
860         else
861                 return -1;
862
863         buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
864         if (buf == NULL)
865                 return -1;
866
867         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
868                                          wpabuf_len(buf));
869         reply[res++] = '\n';
870         reply[res] = '\0';
871
872         wpabuf_free(buf);
873
874         return res;
875 }
876
877
878 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
879         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
880 {
881         int ndef;
882         struct wpabuf *buf;
883         int res;
884
885         if (os_strcmp(cmd, "WPS") == 0)
886                 ndef = 0;
887         else if (os_strcmp(cmd, "NDEF") == 0)
888                 ndef = 1;
889         else
890                 return -1;
891
892         buf = wpas_wps_nfc_token(wpa_s, ndef);
893         if (buf == NULL)
894                 return -1;
895
896         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
897                                          wpabuf_len(buf));
898         reply[res++] = '\n';
899         reply[res] = '\0';
900
901         wpabuf_free(buf);
902
903         return res;
904 }
905
906
907 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
908         struct wpa_supplicant *wpa_s, char *pos)
909 {
910         size_t len;
911         struct wpabuf *buf;
912         int ret;
913         char *freq;
914         int forced_freq = 0;
915
916         freq = strstr(pos, " freq=");
917         if (freq) {
918                 *freq = '\0';
919                 freq += 6;
920                 forced_freq = atoi(freq);
921         }
922
923         len = os_strlen(pos);
924         if (len & 0x01)
925                 return -1;
926         len /= 2;
927
928         buf = wpabuf_alloc(len);
929         if (buf == NULL)
930                 return -1;
931         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
932                 wpabuf_free(buf);
933                 return -1;
934         }
935
936         ret = wpas_wps_nfc_tag_read(wpa_s, buf, forced_freq);
937         wpabuf_free(buf);
938
939         return ret;
940 }
941
942
943 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
944                                               char *reply, size_t max_len,
945                                               int ndef)
946 {
947         struct wpabuf *buf;
948         int res;
949
950         buf = wpas_wps_nfc_handover_req(wpa_s, ndef);
951         if (buf == NULL)
952                 return -1;
953
954         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
955                                          wpabuf_len(buf));
956         reply[res++] = '\n';
957         reply[res] = '\0';
958
959         wpabuf_free(buf);
960
961         return res;
962 }
963
964
965 #ifdef CONFIG_P2P
966 static int wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant *wpa_s,
967                                               char *reply, size_t max_len,
968                                               int ndef)
969 {
970         struct wpabuf *buf;
971         int res;
972
973         buf = wpas_p2p_nfc_handover_req(wpa_s, ndef);
974         if (buf == NULL) {
975                 wpa_printf(MSG_DEBUG, "P2P: Could not generate NFC handover request");
976                 return -1;
977         }
978
979         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
980                                          wpabuf_len(buf));
981         reply[res++] = '\n';
982         reply[res] = '\0';
983
984         wpabuf_free(buf);
985
986         return res;
987 }
988 #endif /* CONFIG_P2P */
989
990
991 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
992                                           char *cmd, char *reply,
993                                           size_t max_len)
994 {
995         char *pos;
996         int ndef;
997
998         pos = os_strchr(cmd, ' ');
999         if (pos == NULL)
1000                 return -1;
1001         *pos++ = '\0';
1002
1003         if (os_strcmp(cmd, "WPS") == 0)
1004                 ndef = 0;
1005         else if (os_strcmp(cmd, "NDEF") == 0)
1006                 ndef = 1;
1007         else
1008                 return -1;
1009
1010         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1011                 if (!ndef)
1012                         return -1;
1013                 return wpas_ctrl_nfc_get_handover_req_wps(
1014                         wpa_s, reply, max_len, ndef);
1015         }
1016
1017 #ifdef CONFIG_P2P
1018         if (os_strcmp(pos, "P2P-CR") == 0) {
1019                 return wpas_ctrl_nfc_get_handover_req_p2p(
1020                         wpa_s, reply, max_len, ndef);
1021         }
1022 #endif /* CONFIG_P2P */
1023
1024         return -1;
1025 }
1026
1027
1028 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
1029                                               char *reply, size_t max_len,
1030                                               int ndef, int cr, char *uuid)
1031 {
1032         struct wpabuf *buf;
1033         int res;
1034
1035         buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
1036         if (buf == NULL)
1037                 return -1;
1038
1039         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1040                                          wpabuf_len(buf));
1041         reply[res++] = '\n';
1042         reply[res] = '\0';
1043
1044         wpabuf_free(buf);
1045
1046         return res;
1047 }
1048
1049
1050 #ifdef CONFIG_P2P
1051 static int wpas_ctrl_nfc_get_handover_sel_p2p(struct wpa_supplicant *wpa_s,
1052                                               char *reply, size_t max_len,
1053                                               int ndef, int tag)
1054 {
1055         struct wpabuf *buf;
1056         int res;
1057
1058         buf = wpas_p2p_nfc_handover_sel(wpa_s, ndef, tag);
1059         if (buf == NULL)
1060                 return -1;
1061
1062         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1063                                          wpabuf_len(buf));
1064         reply[res++] = '\n';
1065         reply[res] = '\0';
1066
1067         wpabuf_free(buf);
1068
1069         return res;
1070 }
1071 #endif /* CONFIG_P2P */
1072
1073
1074 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
1075                                           char *cmd, char *reply,
1076                                           size_t max_len)
1077 {
1078         char *pos, *pos2;
1079         int ndef;
1080
1081         pos = os_strchr(cmd, ' ');
1082         if (pos == NULL)
1083                 return -1;
1084         *pos++ = '\0';
1085
1086         if (os_strcmp(cmd, "WPS") == 0)
1087                 ndef = 0;
1088         else if (os_strcmp(cmd, "NDEF") == 0)
1089                 ndef = 1;
1090         else
1091                 return -1;
1092
1093         pos2 = os_strchr(pos, ' ');
1094         if (pos2)
1095                 *pos2++ = '\0';
1096         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1097                 if (!ndef)
1098                         return -1;
1099                 return wpas_ctrl_nfc_get_handover_sel_wps(
1100                         wpa_s, reply, max_len, ndef,
1101                         os_strcmp(pos, "WPS-CR") == 0, pos2);
1102         }
1103
1104 #ifdef CONFIG_P2P
1105         if (os_strcmp(pos, "P2P-CR") == 0) {
1106                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1107                         wpa_s, reply, max_len, ndef, 0);
1108         }
1109
1110         if (os_strcmp(pos, "P2P-CR-TAG") == 0) {
1111                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1112                         wpa_s, reply, max_len, ndef, 1);
1113         }
1114 #endif /* CONFIG_P2P */
1115
1116         return -1;
1117 }
1118
1119
1120 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1121                                          char *cmd)
1122 {
1123         size_t len;
1124         struct wpabuf *req, *sel;
1125         int ret;
1126         char *pos, *role, *type, *pos2;
1127 #ifdef CONFIG_P2P
1128         char *freq;
1129         int forced_freq = 0;
1130
1131         freq = strstr(cmd, " freq=");
1132         if (freq) {
1133                 *freq = '\0';
1134                 freq += 6;
1135                 forced_freq = atoi(freq);
1136         }
1137 #endif /* CONFIG_P2P */
1138
1139         role = cmd;
1140         pos = os_strchr(role, ' ');
1141         if (pos == NULL) {
1142                 wpa_printf(MSG_DEBUG, "NFC: Missing type in handover report");
1143                 return -1;
1144         }
1145         *pos++ = '\0';
1146
1147         type = pos;
1148         pos = os_strchr(type, ' ');
1149         if (pos == NULL) {
1150                 wpa_printf(MSG_DEBUG, "NFC: Missing request message in handover report");
1151                 return -1;
1152         }
1153         *pos++ = '\0';
1154
1155         pos2 = os_strchr(pos, ' ');
1156         if (pos2 == NULL) {
1157                 wpa_printf(MSG_DEBUG, "NFC: Missing select message in handover report");
1158                 return -1;
1159         }
1160         *pos2++ = '\0';
1161
1162         len = os_strlen(pos);
1163         if (len & 0x01) {
1164                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message length in handover report");
1165                 return -1;
1166         }
1167         len /= 2;
1168
1169         req = wpabuf_alloc(len);
1170         if (req == NULL) {
1171                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for request message");
1172                 return -1;
1173         }
1174         if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1175                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message hexdump in handover report");
1176                 wpabuf_free(req);
1177                 return -1;
1178         }
1179
1180         len = os_strlen(pos2);
1181         if (len & 0x01) {
1182                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message length in handover report");
1183                 wpabuf_free(req);
1184                 return -1;
1185         }
1186         len /= 2;
1187
1188         sel = wpabuf_alloc(len);
1189         if (sel == NULL) {
1190                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for select message");
1191                 wpabuf_free(req);
1192                 return -1;
1193         }
1194         if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1195                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message hexdump in handover report");
1196                 wpabuf_free(req);
1197                 wpabuf_free(sel);
1198                 return -1;
1199         }
1200
1201         wpa_printf(MSG_DEBUG, "NFC: Connection handover reported - role=%s type=%s req_len=%d sel_len=%d",
1202                    role, type, (int) wpabuf_len(req), (int) wpabuf_len(sel));
1203
1204         if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1205                 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1206 #ifdef CONFIG_AP
1207         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0)
1208         {
1209                 ret = wpas_ap_wps_nfc_report_handover(wpa_s, req, sel);
1210                 if (ret < 0)
1211                         ret = wpas_er_wps_nfc_report_handover(wpa_s, req, sel);
1212 #endif /* CONFIG_AP */
1213 #ifdef CONFIG_P2P
1214         } else if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "P2P") == 0)
1215         {
1216                 ret = wpas_p2p_nfc_report_handover(wpa_s, 1, req, sel, 0);
1217         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "P2P") == 0)
1218         {
1219                 ret = wpas_p2p_nfc_report_handover(wpa_s, 0, req, sel,
1220                                                    forced_freq);
1221 #endif /* CONFIG_P2P */
1222         } else {
1223                 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1224                            "reported: role=%s type=%s", role, type);
1225                 ret = -1;
1226         }
1227         wpabuf_free(req);
1228         wpabuf_free(sel);
1229
1230         if (ret)
1231                 wpa_printf(MSG_DEBUG, "NFC: Failed to process reported handover messages");
1232
1233         return ret;
1234 }
1235
1236 #endif /* CONFIG_WPS_NFC */
1237
1238
1239 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1240                                              char *cmd)
1241 {
1242         u8 bssid[ETH_ALEN];
1243         char *pin;
1244         char *new_ssid;
1245         char *new_auth;
1246         char *new_encr;
1247         char *new_key;
1248         struct wps_new_ap_settings ap;
1249
1250         pin = os_strchr(cmd, ' ');
1251         if (pin == NULL)
1252                 return -1;
1253         *pin++ = '\0';
1254
1255         if (hwaddr_aton(cmd, bssid)) {
1256                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1257                            cmd);
1258                 return -1;
1259         }
1260
1261         new_ssid = os_strchr(pin, ' ');
1262         if (new_ssid == NULL)
1263                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1264         *new_ssid++ = '\0';
1265
1266         new_auth = os_strchr(new_ssid, ' ');
1267         if (new_auth == NULL)
1268                 return -1;
1269         *new_auth++ = '\0';
1270
1271         new_encr = os_strchr(new_auth, ' ');
1272         if (new_encr == NULL)
1273                 return -1;
1274         *new_encr++ = '\0';
1275
1276         new_key = os_strchr(new_encr, ' ');
1277         if (new_key == NULL)
1278                 return -1;
1279         *new_key++ = '\0';
1280
1281         os_memset(&ap, 0, sizeof(ap));
1282         ap.ssid_hex = new_ssid;
1283         ap.auth = new_auth;
1284         ap.encr = new_encr;
1285         ap.key_hex = new_key;
1286         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1287 }
1288
1289
1290 #ifdef CONFIG_AP
1291 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1292                                                 char *cmd, char *buf,
1293                                                 size_t buflen)
1294 {
1295         int timeout = 300;
1296         char *pos;
1297         const char *pin_txt;
1298
1299         if (!wpa_s->ap_iface)
1300                 return -1;
1301
1302         pos = os_strchr(cmd, ' ');
1303         if (pos)
1304                 *pos++ = '\0';
1305
1306         if (os_strcmp(cmd, "disable") == 0) {
1307                 wpas_wps_ap_pin_disable(wpa_s);
1308                 return os_snprintf(buf, buflen, "OK\n");
1309         }
1310
1311         if (os_strcmp(cmd, "random") == 0) {
1312                 if (pos)
1313                         timeout = atoi(pos);
1314                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1315                 if (pin_txt == NULL)
1316                         return -1;
1317                 return os_snprintf(buf, buflen, "%s", pin_txt);
1318         }
1319
1320         if (os_strcmp(cmd, "get") == 0) {
1321                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1322                 if (pin_txt == NULL)
1323                         return -1;
1324                 return os_snprintf(buf, buflen, "%s", pin_txt);
1325         }
1326
1327         if (os_strcmp(cmd, "set") == 0) {
1328                 char *pin;
1329                 if (pos == NULL)
1330                         return -1;
1331                 pin = pos;
1332                 pos = os_strchr(pos, ' ');
1333                 if (pos) {
1334                         *pos++ = '\0';
1335                         timeout = atoi(pos);
1336                 }
1337                 if (os_strlen(pin) > buflen)
1338                         return -1;
1339                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1340                         return -1;
1341                 return os_snprintf(buf, buflen, "%s", pin);
1342         }
1343
1344         return -1;
1345 }
1346 #endif /* CONFIG_AP */
1347
1348
1349 #ifdef CONFIG_WPS_ER
1350 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1351                                                 char *cmd)
1352 {
1353         char *uuid = cmd, *pin, *pos;
1354         u8 addr_buf[ETH_ALEN], *addr = NULL;
1355         pin = os_strchr(uuid, ' ');
1356         if (pin == NULL)
1357                 return -1;
1358         *pin++ = '\0';
1359         pos = os_strchr(pin, ' ');
1360         if (pos) {
1361                 *pos++ = '\0';
1362                 if (hwaddr_aton(pos, addr_buf) == 0)
1363                         addr = addr_buf;
1364         }
1365         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1366 }
1367
1368
1369 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1370                                                   char *cmd)
1371 {
1372         char *uuid = cmd, *pin;
1373         pin = os_strchr(uuid, ' ');
1374         if (pin == NULL)
1375                 return -1;
1376         *pin++ = '\0';
1377         return wpas_wps_er_learn(wpa_s, uuid, pin);
1378 }
1379
1380
1381 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1382         struct wpa_supplicant *wpa_s, char *cmd)
1383 {
1384         char *uuid = cmd, *id;
1385         id = os_strchr(uuid, ' ');
1386         if (id == NULL)
1387                 return -1;
1388         *id++ = '\0';
1389         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1390 }
1391
1392
1393 static int wpa_supplicant_ctrl_iface_wps_er_config(
1394         struct wpa_supplicant *wpa_s, char *cmd)
1395 {
1396         char *pin;
1397         char *new_ssid;
1398         char *new_auth;
1399         char *new_encr;
1400         char *new_key;
1401         struct wps_new_ap_settings ap;
1402
1403         pin = os_strchr(cmd, ' ');
1404         if (pin == NULL)
1405                 return -1;
1406         *pin++ = '\0';
1407
1408         new_ssid = os_strchr(pin, ' ');
1409         if (new_ssid == NULL)
1410                 return -1;
1411         *new_ssid++ = '\0';
1412
1413         new_auth = os_strchr(new_ssid, ' ');
1414         if (new_auth == NULL)
1415                 return -1;
1416         *new_auth++ = '\0';
1417
1418         new_encr = os_strchr(new_auth, ' ');
1419         if (new_encr == NULL)
1420                 return -1;
1421         *new_encr++ = '\0';
1422
1423         new_key = os_strchr(new_encr, ' ');
1424         if (new_key == NULL)
1425                 return -1;
1426         *new_key++ = '\0';
1427
1428         os_memset(&ap, 0, sizeof(ap));
1429         ap.ssid_hex = new_ssid;
1430         ap.auth = new_auth;
1431         ap.encr = new_encr;
1432         ap.key_hex = new_key;
1433         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1434 }
1435
1436
1437 #ifdef CONFIG_WPS_NFC
1438 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1439         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1440 {
1441         int ndef;
1442         struct wpabuf *buf;
1443         int res;
1444         char *uuid;
1445
1446         uuid = os_strchr(cmd, ' ');
1447         if (uuid == NULL)
1448                 return -1;
1449         *uuid++ = '\0';
1450
1451         if (os_strcmp(cmd, "WPS") == 0)
1452                 ndef = 0;
1453         else if (os_strcmp(cmd, "NDEF") == 0)
1454                 ndef = 1;
1455         else
1456                 return -1;
1457
1458         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1459         if (buf == NULL)
1460                 return -1;
1461
1462         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1463                                          wpabuf_len(buf));
1464         reply[res++] = '\n';
1465         reply[res] = '\0';
1466
1467         wpabuf_free(buf);
1468
1469         return res;
1470 }
1471 #endif /* CONFIG_WPS_NFC */
1472 #endif /* CONFIG_WPS_ER */
1473
1474 #endif /* CONFIG_WPS */
1475
1476
1477 #ifdef CONFIG_IBSS_RSN
1478 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1479         struct wpa_supplicant *wpa_s, char *addr)
1480 {
1481         u8 peer[ETH_ALEN];
1482
1483         if (hwaddr_aton(addr, peer)) {
1484                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1485                            "address '%s'", addr);
1486                 return -1;
1487         }
1488
1489         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1490                    MAC2STR(peer));
1491
1492         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1493 }
1494 #endif /* CONFIG_IBSS_RSN */
1495
1496
1497 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1498                                               char *rsp)
1499 {
1500 #ifdef IEEE8021X_EAPOL
1501         char *pos, *id_pos;
1502         int id;
1503         struct wpa_ssid *ssid;
1504
1505         pos = os_strchr(rsp, '-');
1506         if (pos == NULL)
1507                 return -1;
1508         *pos++ = '\0';
1509         id_pos = pos;
1510         pos = os_strchr(pos, ':');
1511         if (pos == NULL)
1512                 return -1;
1513         *pos++ = '\0';
1514         id = atoi(id_pos);
1515         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1516         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1517                               (u8 *) pos, os_strlen(pos));
1518
1519         ssid = wpa_config_get_network(wpa_s->conf, id);
1520         if (ssid == NULL) {
1521                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1522                            "to update", id);
1523                 return -1;
1524         }
1525
1526         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1527                                                          pos);
1528 #else /* IEEE8021X_EAPOL */
1529         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1530         return -1;
1531 #endif /* IEEE8021X_EAPOL */
1532 }
1533
1534
1535 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1536                                             const char *params,
1537                                             char *buf, size_t buflen)
1538 {
1539         char *pos, *end, tmp[30];
1540         int res, verbose, wps, ret;
1541 #ifdef CONFIG_HS20
1542         const u8 *hs20;
1543 #endif /* CONFIG_HS20 */
1544
1545         if (os_strcmp(params, "-DRIVER") == 0)
1546                 return wpa_drv_status(wpa_s, buf, buflen);
1547         verbose = os_strcmp(params, "-VERBOSE") == 0;
1548         wps = os_strcmp(params, "-WPS") == 0;
1549         pos = buf;
1550         end = buf + buflen;
1551         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1552                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1553                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1554                                   MAC2STR(wpa_s->bssid));
1555                 if (ret < 0 || ret >= end - pos)
1556                         return pos - buf;
1557                 pos += ret;
1558                 ret = os_snprintf(pos, end - pos, "freq=%u\n",
1559                                   wpa_s->assoc_freq);
1560                 if (ret < 0 || ret >= end - pos)
1561                         return pos - buf;
1562                 pos += ret;
1563                 if (ssid) {
1564                         u8 *_ssid = ssid->ssid;
1565                         size_t ssid_len = ssid->ssid_len;
1566                         u8 ssid_buf[MAX_SSID_LEN];
1567                         if (ssid_len == 0) {
1568                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1569                                 if (_res < 0)
1570                                         ssid_len = 0;
1571                                 else
1572                                         ssid_len = _res;
1573                                 _ssid = ssid_buf;
1574                         }
1575                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1576                                           wpa_ssid_txt(_ssid, ssid_len),
1577                                           ssid->id);
1578                         if (ret < 0 || ret >= end - pos)
1579                                 return pos - buf;
1580                         pos += ret;
1581
1582                         if (wps && ssid->passphrase &&
1583                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1584                             (ssid->mode == WPAS_MODE_AP ||
1585                              ssid->mode == WPAS_MODE_P2P_GO)) {
1586                                 ret = os_snprintf(pos, end - pos,
1587                                                   "passphrase=%s\n",
1588                                                   ssid->passphrase);
1589                                 if (ret < 0 || ret >= end - pos)
1590                                         return pos - buf;
1591                                 pos += ret;
1592                         }
1593                         if (ssid->id_str) {
1594                                 ret = os_snprintf(pos, end - pos,
1595                                                   "id_str=%s\n",
1596                                                   ssid->id_str);
1597                                 if (ret < 0 || ret >= end - pos)
1598                                         return pos - buf;
1599                                 pos += ret;
1600                         }
1601
1602                         switch (ssid->mode) {
1603                         case WPAS_MODE_INFRA:
1604                                 ret = os_snprintf(pos, end - pos,
1605                                                   "mode=station\n");
1606                                 break;
1607                         case WPAS_MODE_IBSS:
1608                                 ret = os_snprintf(pos, end - pos,
1609                                                   "mode=IBSS\n");
1610                                 break;
1611                         case WPAS_MODE_AP:
1612                                 ret = os_snprintf(pos, end - pos,
1613                                                   "mode=AP\n");
1614                                 break;
1615                         case WPAS_MODE_P2P_GO:
1616                                 ret = os_snprintf(pos, end - pos,
1617                                                   "mode=P2P GO\n");
1618                                 break;
1619                         case WPAS_MODE_P2P_GROUP_FORMATION:
1620                                 ret = os_snprintf(pos, end - pos,
1621                                                   "mode=P2P GO - group "
1622                                                   "formation\n");
1623                                 break;
1624                         default:
1625                                 ret = 0;
1626                                 break;
1627                         }
1628                         if (ret < 0 || ret >= end - pos)
1629                                 return pos - buf;
1630                         pos += ret;
1631                 }
1632
1633 #ifdef CONFIG_AP
1634                 if (wpa_s->ap_iface) {
1635                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1636                                                             end - pos,
1637                                                             verbose);
1638                 } else
1639 #endif /* CONFIG_AP */
1640                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1641         }
1642 #ifdef CONFIG_SAE
1643         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1644 #ifdef CONFIG_AP
1645             !wpa_s->ap_iface &&
1646 #endif /* CONFIG_AP */
1647             wpa_s->sme.sae.state == SAE_ACCEPTED) {
1648                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1649                                   wpa_s->sme.sae.group);
1650                 if (ret < 0 || ret >= end - pos)
1651                         return pos - buf;
1652                 pos += ret;
1653         }
1654 #endif /* CONFIG_SAE */
1655         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1656                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1657         if (ret < 0 || ret >= end - pos)
1658                 return pos - buf;
1659         pos += ret;
1660
1661         if (wpa_s->l2 &&
1662             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1663                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1664                 if (ret < 0 || ret >= end - pos)
1665                         return pos - buf;
1666                 pos += ret;
1667         }
1668
1669 #ifdef CONFIG_P2P
1670         if (wpa_s->global->p2p) {
1671                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1672                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1673                 if (ret < 0 || ret >= end - pos)
1674                         return pos - buf;
1675                 pos += ret;
1676         }
1677 #endif /* CONFIG_P2P */
1678
1679         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1680                           MAC2STR(wpa_s->own_addr));
1681         if (ret < 0 || ret >= end - pos)
1682                 return pos - buf;
1683         pos += ret;
1684
1685 #ifdef CONFIG_HS20
1686         if (wpa_s->current_bss &&
1687             (hs20 = wpa_bss_get_vendor_ie(wpa_s->current_bss,
1688                                           HS20_IE_VENDOR_TYPE)) &&
1689             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1690             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1691                 int release = 1;
1692                 if (hs20[1] >= 5) {
1693                         u8 rel_num = (hs20[6] & 0xf0) >> 4;
1694                         release = rel_num + 1;
1695                 }
1696                 ret = os_snprintf(pos, end - pos, "hs20=%d\n", release);
1697                 if (ret < 0 || ret >= end - pos)
1698                         return pos - buf;
1699                 pos += ret;
1700         }
1701
1702         if (wpa_s->current_ssid) {
1703                 struct wpa_cred *cred;
1704                 char *type;
1705
1706                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1707                         size_t i;
1708
1709                         if (wpa_s->current_ssid->parent_cred != cred)
1710                                 continue;
1711
1712                         if (cred->provisioning_sp) {
1713                                 ret = os_snprintf(pos, end - pos,
1714                                                   "provisioning_sp=%s\n",
1715                                                   cred->provisioning_sp);
1716                                 if (ret < 0 || ret >= end - pos)
1717                                         return pos - buf;
1718                                 pos += ret;
1719                         }
1720
1721                         if (!cred->domain)
1722                                 goto no_domain;
1723
1724                         i = 0;
1725                         if (wpa_s->current_bss && wpa_s->current_bss->anqp) {
1726                                 struct wpabuf *names =
1727                                         wpa_s->current_bss->anqp->domain_name;
1728                                 for (i = 0; names && i < cred->num_domain; i++)
1729                                 {
1730                                         if (domain_name_list_contains(
1731                                                     names, cred->domain[i], 1))
1732                                                 break;
1733                                 }
1734                                 if (i == cred->num_domain)
1735                                         i = 0; /* show first entry by default */
1736                         }
1737                         ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1738                                           cred->domain[i]);
1739                         if (ret < 0 || ret >= end - pos)
1740                                 return pos - buf;
1741                         pos += ret;
1742
1743                 no_domain:
1744                         if (wpa_s->current_bss == NULL ||
1745                             wpa_s->current_bss->anqp == NULL)
1746                                 res = -1;
1747                         else
1748                                 res = interworking_home_sp_cred(
1749                                         wpa_s, cred,
1750                                         wpa_s->current_bss->anqp->domain_name);
1751                         if (res > 0)
1752                                 type = "home";
1753                         else if (res == 0)
1754                                 type = "roaming";
1755                         else
1756                                 type = "unknown";
1757
1758                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1759                         if (ret < 0 || ret >= end - pos)
1760                                 return pos - buf;
1761                         pos += ret;
1762
1763                         break;
1764                 }
1765         }
1766 #endif /* CONFIG_HS20 */
1767
1768         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1769             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1770                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1771                                           verbose);
1772                 if (res >= 0)
1773                         pos += res;
1774         }
1775
1776         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1777         if (res >= 0)
1778                 pos += res;
1779
1780 #ifdef CONFIG_WPS
1781         {
1782                 char uuid_str[100];
1783                 uuid_bin2str(wpa_s->wps->uuid, uuid_str, sizeof(uuid_str));
1784                 ret = os_snprintf(pos, end - pos, "uuid=%s\n", uuid_str);
1785                 if (ret < 0 || ret >= end - pos)
1786                         return pos - buf;
1787                 pos += ret;
1788         }
1789 #endif /* CONFIG_WPS */
1790
1791 #ifdef ANDROID
1792         /*
1793          * Allow using the STATUS command with default behavior, say for debug,
1794          * i.e., don't generate a "fake" CONNECTION and SUPPLICANT_STATE_CHANGE
1795          * events with STATUS-NO_EVENTS.
1796          */
1797         if (os_strcmp(params, "-NO_EVENTS")) {
1798                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
1799                              "id=%d state=%d BSSID=" MACSTR " SSID=%s",
1800                              wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
1801                              wpa_s->wpa_state,
1802                              MAC2STR(wpa_s->bssid),
1803                              wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
1804                              wpa_ssid_txt(wpa_s->current_ssid->ssid,
1805                                           wpa_s->current_ssid->ssid_len) : "");
1806                 if (wpa_s->wpa_state == WPA_COMPLETED) {
1807                         struct wpa_ssid *ssid = wpa_s->current_ssid;
1808                         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED
1809                                      "- connection to " MACSTR
1810                                      " completed %s [id=%d id_str=%s]",
1811                                      MAC2STR(wpa_s->bssid), "(auth)",
1812                                      ssid ? ssid->id : -1,
1813                                      ssid && ssid->id_str ? ssid->id_str : "");
1814                 }
1815         }
1816 #endif /* ANDROID */
1817
1818         return pos - buf;
1819 }
1820
1821
1822 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1823                                            char *cmd)
1824 {
1825         char *pos;
1826         int id;
1827         struct wpa_ssid *ssid;
1828         u8 bssid[ETH_ALEN];
1829
1830         /* cmd: "<network id> <BSSID>" */
1831         pos = os_strchr(cmd, ' ');
1832         if (pos == NULL)
1833                 return -1;
1834         *pos++ = '\0';
1835         id = atoi(cmd);
1836         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1837         if (hwaddr_aton(pos, bssid)) {
1838                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1839                 return -1;
1840         }
1841
1842         ssid = wpa_config_get_network(wpa_s->conf, id);
1843         if (ssid == NULL) {
1844                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1845                            "to update", id);
1846                 return -1;
1847         }
1848
1849         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1850         ssid->bssid_set = !is_zero_ether_addr(bssid);
1851
1852         return 0;
1853 }
1854
1855
1856 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1857                                                char *cmd, char *buf,
1858                                                size_t buflen)
1859 {
1860         u8 bssid[ETH_ALEN];
1861         struct wpa_blacklist *e;
1862         char *pos, *end;
1863         int ret;
1864
1865         /* cmd: "BLACKLIST [<BSSID>]" */
1866         if (*cmd == '\0') {
1867                 pos = buf;
1868                 end = buf + buflen;
1869                 e = wpa_s->blacklist;
1870                 while (e) {
1871                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
1872                                           MAC2STR(e->bssid));
1873                         if (ret < 0 || ret >= end - pos)
1874                                 return pos - buf;
1875                         pos += ret;
1876                         e = e->next;
1877                 }
1878                 return pos - buf;
1879         }
1880
1881         cmd++;
1882         if (os_strncmp(cmd, "clear", 5) == 0) {
1883                 wpa_blacklist_clear(wpa_s);
1884                 os_memcpy(buf, "OK\n", 3);
1885                 return 3;
1886         }
1887
1888         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1889         if (hwaddr_aton(cmd, bssid)) {
1890                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1891                 return -1;
1892         }
1893
1894         /*
1895          * Add the BSSID twice, so its count will be 2, causing it to be
1896          * skipped when processing scan results.
1897          */
1898         ret = wpa_blacklist_add(wpa_s, bssid);
1899         if (ret < 0)
1900                 return -1;
1901         ret = wpa_blacklist_add(wpa_s, bssid);
1902         if (ret < 0)
1903                 return -1;
1904         os_memcpy(buf, "OK\n", 3);
1905         return 3;
1906 }
1907
1908
1909 static const char * debug_level_str(int level)
1910 {
1911         switch (level) {
1912         case MSG_EXCESSIVE:
1913                 return "EXCESSIVE";
1914         case MSG_MSGDUMP:
1915                 return "MSGDUMP";
1916         case MSG_DEBUG:
1917                 return "DEBUG";
1918         case MSG_INFO:
1919                 return "INFO";
1920         case MSG_WARNING:
1921                 return "WARNING";
1922         case MSG_ERROR:
1923                 return "ERROR";
1924         default:
1925                 return "?";
1926         }
1927 }
1928
1929
1930 static int str_to_debug_level(const char *s)
1931 {
1932         if (os_strcasecmp(s, "EXCESSIVE") == 0)
1933                 return MSG_EXCESSIVE;
1934         if (os_strcasecmp(s, "MSGDUMP") == 0)
1935                 return MSG_MSGDUMP;
1936         if (os_strcasecmp(s, "DEBUG") == 0)
1937                 return MSG_DEBUG;
1938         if (os_strcasecmp(s, "INFO") == 0)
1939                 return MSG_INFO;
1940         if (os_strcasecmp(s, "WARNING") == 0)
1941                 return MSG_WARNING;
1942         if (os_strcasecmp(s, "ERROR") == 0)
1943                 return MSG_ERROR;
1944         return -1;
1945 }
1946
1947
1948 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1949                                                char *cmd, char *buf,
1950                                                size_t buflen)
1951 {
1952         char *pos, *end, *stamp;
1953         int ret;
1954
1955         if (cmd == NULL) {
1956                 return -1;
1957         }
1958
1959         /* cmd: "LOG_LEVEL [<level>]" */
1960         if (*cmd == '\0') {
1961                 pos = buf;
1962                 end = buf + buflen;
1963                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1964                                   "Timestamp: %d\n",
1965                                   debug_level_str(wpa_debug_level),
1966                                   wpa_debug_timestamp);
1967                 if (ret < 0 || ret >= end - pos)
1968                         ret = 0;
1969
1970                 return ret;
1971         }
1972
1973         while (*cmd == ' ')
1974                 cmd++;
1975
1976         stamp = os_strchr(cmd, ' ');
1977         if (stamp) {
1978                 *stamp++ = '\0';
1979                 while (*stamp == ' ') {
1980                         stamp++;
1981                 }
1982         }
1983
1984         if (cmd && os_strlen(cmd)) {
1985                 int level = str_to_debug_level(cmd);
1986                 if (level < 0)
1987                         return -1;
1988                 wpa_debug_level = level;
1989         }
1990
1991         if (stamp && os_strlen(stamp))
1992                 wpa_debug_timestamp = atoi(stamp);
1993
1994         os_memcpy(buf, "OK\n", 3);
1995         return 3;
1996 }
1997
1998
1999 static int wpa_supplicant_ctrl_iface_list_networks(
2000         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2001 {
2002         char *pos, *end;
2003         struct wpa_ssid *ssid;
2004         int ret;
2005
2006         pos = buf;
2007         end = buf + buflen;
2008         ret = os_snprintf(pos, end - pos,
2009                           "network id / ssid / bssid / flags\n");
2010         if (ret < 0 || ret >= end - pos)
2011                 return pos - buf;
2012         pos += ret;
2013
2014         ssid = wpa_s->conf->ssid;
2015         while (ssid) {
2016                 ret = os_snprintf(pos, end - pos, "%d\t%s",
2017                                   ssid->id,
2018                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
2019                 if (ret < 0 || ret >= end - pos)
2020                         return pos - buf;
2021                 pos += ret;
2022                 if (ssid->bssid_set) {
2023                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
2024                                           MAC2STR(ssid->bssid));
2025                 } else {
2026                         ret = os_snprintf(pos, end - pos, "\tany");
2027                 }
2028                 if (ret < 0 || ret >= end - pos)
2029                         return pos - buf;
2030                 pos += ret;
2031                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
2032                                   ssid == wpa_s->current_ssid ?
2033                                   "[CURRENT]" : "",
2034                                   ssid->disabled ? "[DISABLED]" : "",
2035                                   ssid->disabled_until.sec ?
2036                                   "[TEMP-DISABLED]" : "",
2037                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
2038                                   "");
2039                 if (ret < 0 || ret >= end - pos)
2040                         return pos - buf;
2041                 pos += ret;
2042                 ret = os_snprintf(pos, end - pos, "\n");
2043                 if (ret < 0 || ret >= end - pos)
2044                         return pos - buf;
2045                 pos += ret;
2046
2047                 ssid = ssid->next;
2048         }
2049
2050         return pos - buf;
2051 }
2052
2053
2054 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
2055 {
2056         int ret;
2057         ret = os_snprintf(pos, end - pos, "-");
2058         if (ret < 0 || ret >= end - pos)
2059                 return pos;
2060         pos += ret;
2061         ret = wpa_write_ciphers(pos, end, cipher, "+");
2062         if (ret < 0)
2063                 return pos;
2064         pos += ret;
2065         return pos;
2066 }
2067
2068
2069 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
2070                                     const u8 *ie, size_t ie_len)
2071 {
2072         struct wpa_ie_data data;
2073         char *start;
2074         int ret;
2075
2076         ret = os_snprintf(pos, end - pos, "[%s-", proto);
2077         if (ret < 0 || ret >= end - pos)
2078                 return pos;
2079         pos += ret;
2080
2081         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
2082                 ret = os_snprintf(pos, end - pos, "?]");
2083                 if (ret < 0 || ret >= end - pos)
2084                         return pos;
2085                 pos += ret;
2086                 return pos;
2087         }
2088
2089         start = pos;
2090         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
2091                 ret = os_snprintf(pos, end - pos, "%sEAP",
2092                                   pos == start ? "" : "+");
2093                 if (ret < 0 || ret >= end - pos)
2094                         return pos;
2095                 pos += ret;
2096         }
2097         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
2098                 ret = os_snprintf(pos, end - pos, "%sPSK",
2099                                   pos == start ? "" : "+");
2100                 if (ret < 0 || ret >= end - pos)
2101                         return pos;
2102                 pos += ret;
2103         }
2104         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
2105                 ret = os_snprintf(pos, end - pos, "%sNone",
2106                                   pos == start ? "" : "+");
2107                 if (ret < 0 || ret >= end - pos)
2108                         return pos;
2109                 pos += ret;
2110         }
2111         if (data.key_mgmt & WPA_KEY_MGMT_SAE) {
2112                 ret = os_snprintf(pos, end - pos, "%sSAE",
2113                                   pos == start ? "" : "+");
2114                 if (ret < 0 || ret >= end - pos)
2115                         return pos;
2116                 pos += ret;
2117         }
2118 #ifdef CONFIG_IEEE80211R
2119         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
2120                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
2121                                   pos == start ? "" : "+");
2122                 if (ret < 0 || ret >= end - pos)
2123                         return pos;
2124                 pos += ret;
2125         }
2126         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
2127                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
2128                                   pos == start ? "" : "+");
2129                 if (ret < 0 || ret >= end - pos)
2130                         return pos;
2131                 pos += ret;
2132         }
2133         if (data.key_mgmt & WPA_KEY_MGMT_FT_SAE) {
2134                 ret = os_snprintf(pos, end - pos, "%sFT/SAE",
2135                                   pos == start ? "" : "+");
2136                 if (ret < 0 || ret >= end - pos)
2137                         return pos;
2138                 pos += ret;
2139         }
2140 #endif /* CONFIG_IEEE80211R */
2141 #ifdef CONFIG_IEEE80211W
2142         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
2143                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
2144                                   pos == start ? "" : "+");
2145                 if (ret < 0 || ret >= end - pos)
2146                         return pos;
2147                 pos += ret;
2148         }
2149         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
2150                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
2151                                   pos == start ? "" : "+");
2152                 if (ret < 0 || ret >= end - pos)
2153                         return pos;
2154                 pos += ret;
2155         }
2156 #endif /* CONFIG_IEEE80211W */
2157
2158         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
2159                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B",
2160                                   pos == start ? "" : "+");
2161                 if (ret < 0 || ret >= end - pos)
2162                         return pos;
2163                 pos += ret;
2164         }
2165
2166         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
2167
2168         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
2169                 ret = os_snprintf(pos, end - pos, "-preauth");
2170                 if (ret < 0 || ret >= end - pos)
2171                         return pos;
2172                 pos += ret;
2173         }
2174
2175         ret = os_snprintf(pos, end - pos, "]");
2176         if (ret < 0 || ret >= end - pos)
2177                 return pos;
2178         pos += ret;
2179
2180         return pos;
2181 }
2182
2183
2184 #ifdef CONFIG_WPS
2185 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
2186                                             char *pos, char *end,
2187                                             struct wpabuf *wps_ie)
2188 {
2189         int ret;
2190         const char *txt;
2191
2192         if (wps_ie == NULL)
2193                 return pos;
2194         if (wps_is_selected_pbc_registrar(wps_ie))
2195                 txt = "[WPS-PBC]";
2196         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
2197                 txt = "[WPS-AUTH]";
2198         else if (wps_is_selected_pin_registrar(wps_ie))
2199                 txt = "[WPS-PIN]";
2200         else
2201                 txt = "[WPS]";
2202
2203         ret = os_snprintf(pos, end - pos, "%s", txt);
2204         if (ret >= 0 && ret < end - pos)
2205                 pos += ret;
2206         wpabuf_free(wps_ie);
2207         return pos;
2208 }
2209 #endif /* CONFIG_WPS */
2210
2211
2212 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2213                                         char *pos, char *end,
2214                                         const struct wpa_bss *bss)
2215 {
2216 #ifdef CONFIG_WPS
2217         struct wpabuf *wps_ie;
2218         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2219         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2220 #else /* CONFIG_WPS */
2221         return pos;
2222 #endif /* CONFIG_WPS */
2223 }
2224
2225
2226 /* Format one result on one text line into a buffer. */
2227 static int wpa_supplicant_ctrl_iface_scan_result(
2228         struct wpa_supplicant *wpa_s,
2229         const struct wpa_bss *bss, char *buf, size_t buflen)
2230 {
2231         char *pos, *end;
2232         int ret;
2233         const u8 *ie, *ie2, *p2p, *mesh;
2234
2235         mesh = wpa_bss_get_ie(bss, WLAN_EID_MESH_ID);
2236         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2237         if (!p2p)
2238                 p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2239         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2240             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2241             0)
2242                 return 0; /* Do not show P2P listen discovery results here */
2243
2244         pos = buf;
2245         end = buf + buflen;
2246
2247         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2248                           MAC2STR(bss->bssid), bss->freq, bss->level);
2249         if (ret < 0 || ret >= end - pos)
2250                 return -1;
2251         pos += ret;
2252         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2253         if (ie)
2254                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2255         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2256         if (ie2) {
2257                 pos = wpa_supplicant_ie_txt(pos, end, mesh ? "RSN" : "WPA2",
2258                                             ie2, 2 + ie2[1]);
2259         }
2260         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2261         if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2262                 ret = os_snprintf(pos, end - pos, "[WEP]");
2263                 if (ret < 0 || ret >= end - pos)
2264                         return -1;
2265                 pos += ret;
2266         }
2267         if (mesh) {
2268                 ret = os_snprintf(pos, end - pos, "[MESH]");
2269                 if (ret < 0 || ret >= end - pos)
2270                         return -1;
2271                 pos += ret;
2272         }
2273         if (bss_is_dmg(bss)) {
2274                 const char *s;
2275                 ret = os_snprintf(pos, end - pos, "[DMG]");
2276                 if (ret < 0 || ret >= end - pos)
2277                         return -1;
2278                 pos += ret;
2279                 switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
2280                 case IEEE80211_CAP_DMG_IBSS:
2281                         s = "[IBSS]";
2282                         break;
2283                 case IEEE80211_CAP_DMG_AP:
2284                         s = "[ESS]";
2285                         break;
2286                 case IEEE80211_CAP_DMG_PBSS:
2287                         s = "[PBSS]";
2288                         break;
2289                 default:
2290                         s = "";
2291                         break;
2292                 }
2293                 ret = os_snprintf(pos, end - pos, "%s", s);
2294                 if (ret < 0 || ret >= end - pos)
2295                         return -1;
2296                 pos += ret;
2297         } else {
2298                 if (bss->caps & IEEE80211_CAP_IBSS) {
2299                         ret = os_snprintf(pos, end - pos, "[IBSS]");
2300                         if (ret < 0 || ret >= end - pos)
2301                                 return -1;
2302                         pos += ret;
2303                 }
2304                 if (bss->caps & IEEE80211_CAP_ESS) {
2305                         ret = os_snprintf(pos, end - pos, "[ESS]");
2306                         if (ret < 0 || ret >= end - pos)
2307                                 return -1;
2308                         pos += ret;
2309                 }
2310         }
2311         if (p2p) {
2312                 ret = os_snprintf(pos, end - pos, "[P2P]");
2313                 if (ret < 0 || ret >= end - pos)
2314                         return -1;
2315                 pos += ret;
2316         }
2317 #ifdef CONFIG_HS20
2318         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2319                 ret = os_snprintf(pos, end - pos, "[HS20]");
2320                 if (ret < 0 || ret >= end - pos)
2321                         return -1;
2322                 pos += ret;
2323         }
2324 #endif /* CONFIG_HS20 */
2325
2326         ret = os_snprintf(pos, end - pos, "\t%s",
2327                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2328         if (ret < 0 || ret >= end - pos)
2329                 return -1;
2330         pos += ret;
2331
2332         ret = os_snprintf(pos, end - pos, "\n");
2333         if (ret < 0 || ret >= end - pos)
2334                 return -1;
2335         pos += ret;
2336
2337         return pos - buf;
2338 }
2339
2340
2341 static int wpa_supplicant_ctrl_iface_scan_results(
2342         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2343 {
2344         char *pos, *end;
2345         struct wpa_bss *bss;
2346         int ret;
2347
2348         pos = buf;
2349         end = buf + buflen;
2350         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2351                           "flags / ssid\n");
2352         if (ret < 0 || ret >= end - pos)
2353                 return pos - buf;
2354         pos += ret;
2355
2356         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2357                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2358                                                             end - pos);
2359                 if (ret < 0 || ret >= end - pos)
2360                         return pos - buf;
2361                 pos += ret;
2362         }
2363
2364         return pos - buf;
2365 }
2366
2367
2368 static int wpa_supplicant_ctrl_iface_select_network(
2369         struct wpa_supplicant *wpa_s, char *cmd)
2370 {
2371         int id;
2372         struct wpa_ssid *ssid;
2373         char *pos;
2374
2375         /* cmd: "<network id>" or "any" */
2376         if (os_strncmp(cmd, "any", 3) == 0) {
2377                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2378                 ssid = NULL;
2379         } else {
2380                 id = atoi(cmd);
2381                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2382
2383                 ssid = wpa_config_get_network(wpa_s->conf, id);
2384                 if (ssid == NULL) {
2385                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2386                                    "network id=%d", id);
2387                         return -1;
2388                 }
2389                 if (ssid->disabled == 2) {
2390                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2391                                    "SELECT_NETWORK with persistent P2P group");
2392                         return -1;
2393                 }
2394         }
2395
2396         pos = os_strstr(cmd, " freq=");
2397         if (pos) {
2398                 int *freqs = freq_range_to_channel_list(wpa_s, pos + 6);
2399                 if (freqs) {
2400                         wpa_s->scan_req = MANUAL_SCAN_REQ;
2401                         os_free(wpa_s->manual_scan_freqs);
2402                         wpa_s->manual_scan_freqs = freqs;
2403                 }
2404         }
2405
2406         wpa_supplicant_select_network(wpa_s, ssid);
2407
2408         return 0;
2409 }
2410
2411
2412 static int wpa_supplicant_ctrl_iface_enable_network(
2413         struct wpa_supplicant *wpa_s, char *cmd)
2414 {
2415         int id;
2416         struct wpa_ssid *ssid;
2417
2418         /* cmd: "<network id>" or "all" */
2419         if (os_strcmp(cmd, "all") == 0) {
2420                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2421                 ssid = NULL;
2422         } else {
2423                 id = atoi(cmd);
2424                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2425
2426                 ssid = wpa_config_get_network(wpa_s->conf, id);
2427                 if (ssid == NULL) {
2428                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2429                                    "network id=%d", id);
2430                         return -1;
2431                 }
2432                 if (ssid->disabled == 2) {
2433                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2434                                    "ENABLE_NETWORK with persistent P2P group");
2435                         return -1;
2436                 }
2437
2438                 if (os_strstr(cmd, " no-connect")) {
2439                         ssid->disabled = 0;
2440                         return 0;
2441                 }
2442         }
2443         wpa_supplicant_enable_network(wpa_s, ssid);
2444
2445         return 0;
2446 }
2447
2448
2449 static int wpa_supplicant_ctrl_iface_disable_network(
2450         struct wpa_supplicant *wpa_s, char *cmd)
2451 {
2452         int id;
2453         struct wpa_ssid *ssid;
2454
2455         /* cmd: "<network id>" or "all" */
2456         if (os_strcmp(cmd, "all") == 0) {
2457                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2458                 ssid = NULL;
2459         } else {
2460                 id = atoi(cmd);
2461                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2462
2463                 ssid = wpa_config_get_network(wpa_s->conf, id);
2464                 if (ssid == NULL) {
2465                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2466                                    "network id=%d", id);
2467                         return -1;
2468                 }
2469                 if (ssid->disabled == 2) {
2470                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2471                                    "DISABLE_NETWORK with persistent P2P "
2472                                    "group");
2473                         return -1;
2474                 }
2475         }
2476         wpa_supplicant_disable_network(wpa_s, ssid);
2477
2478         return 0;
2479 }
2480
2481
2482 static int wpa_supplicant_ctrl_iface_add_network(
2483         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2484 {
2485         struct wpa_ssid *ssid;
2486         int ret;
2487
2488         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2489
2490         ssid = wpa_config_add_network(wpa_s->conf);
2491         if (ssid == NULL)
2492                 return -1;
2493
2494         wpas_notify_network_added(wpa_s, ssid);
2495
2496         ssid->disabled = 1;
2497         wpa_config_set_network_defaults(ssid);
2498
2499         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2500         if (ret < 0 || (size_t) ret >= buflen)
2501                 return -1;
2502         return ret;
2503 }
2504
2505
2506 static int wpa_supplicant_ctrl_iface_remove_network(
2507         struct wpa_supplicant *wpa_s, char *cmd)
2508 {
2509         int id;
2510         struct wpa_ssid *ssid;
2511         int was_disabled;
2512
2513         /* cmd: "<network id>" or "all" */
2514         if (os_strcmp(cmd, "all") == 0) {
2515                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2516                 if (wpa_s->sched_scanning)
2517                         wpa_supplicant_cancel_sched_scan(wpa_s);
2518
2519                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2520                 if (wpa_s->current_ssid) {
2521 #ifdef CONFIG_SME
2522                         wpa_s->sme.prev_bssid_set = 0;
2523 #endif /* CONFIG_SME */
2524                         wpa_sm_set_config(wpa_s->wpa, NULL);
2525                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2526                         wpa_supplicant_deauthenticate(
2527                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2528                 }
2529                 ssid = wpa_s->conf->ssid;
2530                 while (ssid) {
2531                         struct wpa_ssid *remove_ssid = ssid;
2532                         id = ssid->id;
2533                         ssid = ssid->next;
2534                         if (wpa_s->last_ssid == remove_ssid)
2535                                 wpa_s->last_ssid = NULL;
2536                         wpas_notify_network_removed(wpa_s, remove_ssid);
2537                         wpa_config_remove_network(wpa_s->conf, id);
2538                 }
2539                 return 0;
2540         }
2541
2542         id = atoi(cmd);
2543         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2544
2545         ssid = wpa_config_get_network(wpa_s->conf, id);
2546         if (ssid)
2547                 wpas_notify_network_removed(wpa_s, ssid);
2548         if (ssid == NULL) {
2549                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2550                            "id=%d", id);
2551                 return -1;
2552         }
2553
2554         if (wpa_s->last_ssid == ssid)
2555                 wpa_s->last_ssid = NULL;
2556
2557         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2558 #ifdef CONFIG_SME
2559                 wpa_s->sme.prev_bssid_set = 0;
2560 #endif /* CONFIG_SME */
2561                 /*
2562                  * Invalidate the EAP session cache if the current or
2563                  * previously used network is removed.
2564                  */
2565                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2566         }
2567
2568         if (ssid == wpa_s->current_ssid) {
2569                 wpa_sm_set_config(wpa_s->wpa, NULL);
2570                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2571
2572                 wpa_supplicant_deauthenticate(wpa_s,
2573                                               WLAN_REASON_DEAUTH_LEAVING);
2574         }
2575
2576         was_disabled = ssid->disabled;
2577
2578         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2579                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2580                            "network id=%d", id);
2581                 return -1;
2582         }
2583
2584         if (!was_disabled && wpa_s->sched_scanning) {
2585                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2586                            "network from filters");
2587                 wpa_supplicant_cancel_sched_scan(wpa_s);
2588                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2589         }
2590
2591         return 0;
2592 }
2593
2594
2595 static int wpa_supplicant_ctrl_iface_update_network(
2596         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
2597         char *name, char *value)
2598 {
2599         if (wpa_config_set(ssid, name, value, 0) < 0) {
2600                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2601                            "variable '%s'", name);
2602                 return -1;
2603         }
2604
2605         if (os_strcmp(name, "bssid") != 0 &&
2606             os_strcmp(name, "priority") != 0)
2607                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2608
2609         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2610                 /*
2611                  * Invalidate the EAP session cache if anything in the current
2612                  * or previously used configuration changes.
2613                  */
2614                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2615         }
2616
2617         if ((os_strcmp(name, "psk") == 0 &&
2618              value[0] == '"' && ssid->ssid_len) ||
2619             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2620                 wpa_config_update_psk(ssid);
2621         else if (os_strcmp(name, "priority") == 0)
2622                 wpa_config_update_prio_list(wpa_s->conf);
2623         else if (os_strcmp(name, "no_auto_peer") == 0)
2624                 ssid->no_auto_peer = atoi(value);
2625
2626         return 0;
2627 }
2628
2629
2630 static int wpa_supplicant_ctrl_iface_set_network(
2631         struct wpa_supplicant *wpa_s, char *cmd)
2632 {
2633         int id, ret, prev_bssid_set;
2634         struct wpa_ssid *ssid;
2635         char *name, *value;
2636         u8 prev_bssid[ETH_ALEN];
2637
2638         /* cmd: "<network id> <variable name> <value>" */
2639         name = os_strchr(cmd, ' ');
2640         if (name == NULL)
2641                 return -1;
2642         *name++ = '\0';
2643
2644         value = os_strchr(name, ' ');
2645         if (value == NULL)
2646                 return -1;
2647         *value++ = '\0';
2648
2649         id = atoi(cmd);
2650         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2651                    id, name);
2652         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2653                               (u8 *) value, os_strlen(value));
2654
2655         ssid = wpa_config_get_network(wpa_s->conf, id);
2656         if (ssid == NULL) {
2657                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2658                            "id=%d", id);
2659                 return -1;
2660         }
2661
2662         prev_bssid_set = ssid->bssid_set;
2663         os_memcpy(prev_bssid, ssid->bssid, ETH_ALEN);
2664         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid, name,
2665                                                        value);
2666         if (ret == 0 &&
2667             (ssid->bssid_set != prev_bssid_set ||
2668              os_memcmp(ssid->bssid, prev_bssid, ETH_ALEN) != 0))
2669                 wpas_notify_network_bssid_set_changed(wpa_s, ssid);
2670         return ret;
2671 }
2672
2673
2674 static int wpa_supplicant_ctrl_iface_get_network(
2675         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2676 {
2677         int id;
2678         size_t res;
2679         struct wpa_ssid *ssid;
2680         char *name, *value;
2681
2682         /* cmd: "<network id> <variable name>" */
2683         name = os_strchr(cmd, ' ');
2684         if (name == NULL || buflen == 0)
2685                 return -1;
2686         *name++ = '\0';
2687
2688         id = atoi(cmd);
2689         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2690                    id, name);
2691
2692         ssid = wpa_config_get_network(wpa_s->conf, id);
2693         if (ssid == NULL) {
2694                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2695                            "id=%d", id);
2696                 return -1;
2697         }
2698
2699         value = wpa_config_get_no_key(ssid, name);
2700         if (value == NULL) {
2701                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2702                            "variable '%s'", name);
2703                 return -1;
2704         }
2705
2706         res = os_strlcpy(buf, value, buflen);
2707         if (res >= buflen) {
2708                 os_free(value);
2709                 return -1;
2710         }
2711
2712         os_free(value);
2713
2714         return res;
2715 }
2716
2717
2718 static int wpa_supplicant_ctrl_iface_dup_network(
2719         struct wpa_supplicant *wpa_s, char *cmd)
2720 {
2721         struct wpa_ssid *ssid_s, *ssid_d;
2722         char *name, *id, *value;
2723         int id_s, id_d, ret;
2724
2725         /* cmd: "<src network id> <dst network id> <variable name>" */
2726         id = os_strchr(cmd, ' ');
2727         if (id == NULL)
2728                 return -1;
2729         *id++ = '\0';
2730
2731         name = os_strchr(id, ' ');
2732         if (name == NULL)
2733                 return -1;
2734         *name++ = '\0';
2735
2736         id_s = atoi(cmd);
2737         id_d = atoi(id);
2738         wpa_printf(MSG_DEBUG, "CTRL_IFACE: DUP_NETWORK id=%d -> %d name='%s'",
2739                    id_s, id_d, name);
2740
2741         ssid_s = wpa_config_get_network(wpa_s->conf, id_s);
2742         if (ssid_s == NULL) {
2743                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2744                            "network id=%d", id_s);
2745                 return -1;
2746         }
2747
2748         ssid_d = wpa_config_get_network(wpa_s->conf, id_d);
2749         if (ssid_d == NULL) {
2750                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2751                            "network id=%d", id_s);
2752                 return -1;
2753         }
2754
2755         value = wpa_config_get(ssid_s, name);
2756         if (value == NULL) {
2757                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2758                            "variable '%s'", name);
2759                 return -1;
2760         }
2761
2762         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid_d, name,
2763                                                        value);
2764
2765         os_free(value);
2766
2767         return ret;
2768 }
2769
2770
2771 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2772                                                 char *buf, size_t buflen)
2773 {
2774         char *pos, *end;
2775         struct wpa_cred *cred;
2776         int ret;
2777
2778         pos = buf;
2779         end = buf + buflen;
2780         ret = os_snprintf(pos, end - pos,
2781                           "cred id / realm / username / domain / imsi\n");
2782         if (ret < 0 || ret >= end - pos)
2783                 return pos - buf;
2784         pos += ret;
2785
2786         cred = wpa_s->conf->cred;
2787         while (cred) {
2788                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2789                                   cred->id, cred->realm ? cred->realm : "",
2790                                   cred->username ? cred->username : "",
2791                                   cred->domain ? cred->domain[0] : "",
2792                                   cred->imsi ? cred->imsi : "");
2793                 if (ret < 0 || ret >= end - pos)
2794                         return pos - buf;
2795                 pos += ret;
2796
2797                 cred = cred->next;
2798         }
2799
2800         return pos - buf;
2801 }
2802
2803
2804 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2805                                               char *buf, size_t buflen)
2806 {
2807         struct wpa_cred *cred;
2808         int ret;
2809
2810         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2811
2812         cred = wpa_config_add_cred(wpa_s->conf);
2813         if (cred == NULL)
2814                 return -1;
2815
2816         wpa_msg(wpa_s, MSG_INFO, CRED_ADDED "%d", cred->id);
2817
2818         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2819         if (ret < 0 || (size_t) ret >= buflen)
2820                 return -1;
2821         return ret;
2822 }
2823
2824
2825 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2826                                  struct wpa_cred *cred)
2827 {
2828         struct wpa_ssid *ssid;
2829         char str[20];
2830         int id;
2831
2832         if (cred == NULL) {
2833                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2834                 return -1;
2835         }
2836
2837         id = cred->id;
2838         if (wpa_config_remove_cred(wpa_s->conf, id) < 0) {
2839                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2840                 return -1;
2841         }
2842
2843         wpa_msg(wpa_s, MSG_INFO, CRED_REMOVED "%d", id);
2844
2845         /* Remove any network entry created based on the removed credential */
2846         ssid = wpa_s->conf->ssid;
2847         while (ssid) {
2848                 if (ssid->parent_cred == cred) {
2849                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2850                                    "used the removed credential", ssid->id);
2851                         os_snprintf(str, sizeof(str), "%d", ssid->id);
2852                         ssid = ssid->next;
2853                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2854                 } else
2855                         ssid = ssid->next;
2856         }
2857
2858         return 0;
2859 }
2860
2861
2862 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2863                                                  char *cmd)
2864 {
2865         int id;
2866         struct wpa_cred *cred, *prev;
2867
2868         /* cmd: "<cred id>", "all", "sp_fqdn=<FQDN>", or
2869          * "provisioning_sp=<FQDN> */
2870         if (os_strcmp(cmd, "all") == 0) {
2871                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2872                 cred = wpa_s->conf->cred;
2873                 while (cred) {
2874                         prev = cred;
2875                         cred = cred->next;
2876                         wpas_ctrl_remove_cred(wpa_s, prev);
2877                 }
2878                 return 0;
2879         }
2880
2881         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
2882                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
2883                            cmd + 8);
2884                 cred = wpa_s->conf->cred;
2885                 while (cred) {
2886                         prev = cred;
2887                         cred = cred->next;
2888                         if (prev->domain) {
2889                                 size_t i;
2890                                 for (i = 0; i < prev->num_domain; i++) {
2891                                         if (os_strcmp(prev->domain[i], cmd + 8)
2892                                             != 0)
2893                                                 continue;
2894                                         wpas_ctrl_remove_cred(wpa_s, prev);
2895                                         break;
2896                                 }
2897                         }
2898                 }
2899                 return 0;
2900         }
2901
2902         if (os_strncmp(cmd, "provisioning_sp=", 16) == 0) {
2903                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED provisioning SP FQDN '%s'",
2904                            cmd + 16);
2905                 cred = wpa_s->conf->cred;
2906                 while (cred) {
2907                         prev = cred;
2908                         cred = cred->next;
2909                         if (prev->provisioning_sp &&
2910                             os_strcmp(prev->provisioning_sp, cmd + 16) == 0)
2911                                 wpas_ctrl_remove_cred(wpa_s, prev);
2912                 }
2913                 return 0;
2914         }
2915
2916         id = atoi(cmd);
2917         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2918
2919         cred = wpa_config_get_cred(wpa_s->conf, id);
2920         return wpas_ctrl_remove_cred(wpa_s, cred);
2921 }
2922
2923
2924 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2925                                               char *cmd)
2926 {
2927         int id;
2928         struct wpa_cred *cred;
2929         char *name, *value;
2930
2931         /* cmd: "<cred id> <variable name> <value>" */
2932         name = os_strchr(cmd, ' ');
2933         if (name == NULL)
2934                 return -1;
2935         *name++ = '\0';
2936
2937         value = os_strchr(name, ' ');
2938         if (value == NULL)
2939                 return -1;
2940         *value++ = '\0';
2941
2942         id = atoi(cmd);
2943         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2944                    id, name);
2945         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2946                               (u8 *) value, os_strlen(value));
2947
2948         cred = wpa_config_get_cred(wpa_s->conf, id);
2949         if (cred == NULL) {
2950                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2951                            id);
2952                 return -1;
2953         }
2954
2955         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2956                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2957                            "variable '%s'", name);
2958                 return -1;
2959         }
2960
2961         wpa_msg(wpa_s, MSG_INFO, CRED_MODIFIED "%d %s", cred->id, name);
2962
2963         return 0;
2964 }
2965
2966
2967 static int wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant *wpa_s,
2968                                               char *cmd, char *buf,
2969                                               size_t buflen)
2970 {
2971         int id;
2972         size_t res;
2973         struct wpa_cred *cred;
2974         char *name, *value;
2975
2976         /* cmd: "<cred id> <variable name>" */
2977         name = os_strchr(cmd, ' ');
2978         if (name == NULL)
2979                 return -1;
2980         *name++ = '\0';
2981
2982         id = atoi(cmd);
2983         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CRED id=%d name='%s'",
2984                    id, name);
2985
2986         cred = wpa_config_get_cred(wpa_s->conf, id);
2987         if (cred == NULL) {
2988                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2989                            id);
2990                 return -1;
2991         }
2992
2993         value = wpa_config_get_cred_no_key(cred, name);
2994         if (value == NULL) {
2995                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get cred variable '%s'",
2996                            name);
2997                 return -1;
2998         }
2999
3000         res = os_strlcpy(buf, value, buflen);
3001         if (res >= buflen) {
3002                 os_free(value);
3003                 return -1;
3004         }
3005
3006         os_free(value);
3007
3008         return res;
3009 }
3010
3011
3012 #ifndef CONFIG_NO_CONFIG_WRITE
3013 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
3014 {
3015         int ret;
3016
3017         if (!wpa_s->conf->update_config) {
3018                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
3019                            "to update configuration (update_config=0)");
3020                 return -1;
3021         }
3022
3023         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
3024         if (ret) {
3025                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
3026                            "update configuration");
3027         } else {
3028                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
3029                            " updated");
3030         }
3031
3032         return ret;
3033 }
3034 #endif /* CONFIG_NO_CONFIG_WRITE */
3035
3036
3037 struct cipher_info {
3038         unsigned int capa;
3039         const char *name;
3040         int group_only;
3041 };
3042
3043 static const struct cipher_info ciphers[] = {
3044         { WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
3045         { WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
3046         { WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
3047         { WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
3048         { WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
3049         { WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
3050         { WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
3051         { WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
3052 };
3053
3054
3055 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
3056                                               struct wpa_driver_capa *capa,
3057                                               char *buf, size_t buflen)
3058 {
3059         int ret;
3060         char *pos, *end;
3061         size_t len;
3062         unsigned int i;
3063
3064         pos = buf;
3065         end = pos + buflen;
3066
3067         if (res < 0) {
3068                 if (strict)
3069                         return 0;
3070                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
3071                 if (len >= buflen)
3072                         return -1;
3073                 return len;
3074         }
3075
3076         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3077                 if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
3078                         ret = os_snprintf(pos, end - pos, "%s%s",
3079                                           pos == buf ? "" : " ",
3080                                           ciphers[i].name);
3081                         if (ret < 0 || ret >= end - pos)
3082                                 return pos - buf;
3083                         pos += ret;
3084                 }
3085         }
3086
3087         return pos - buf;
3088 }
3089
3090
3091 static int ctrl_iface_get_capability_group(int res, char *strict,
3092                                            struct wpa_driver_capa *capa,
3093                                            char *buf, size_t buflen)
3094 {
3095         int ret;
3096         char *pos, *end;
3097         size_t len;
3098         unsigned int i;
3099
3100         pos = buf;
3101         end = pos + buflen;
3102
3103         if (res < 0) {
3104                 if (strict)
3105                         return 0;
3106                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
3107                 if (len >= buflen)
3108                         return -1;
3109                 return len;
3110         }
3111
3112         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3113                 if (capa->enc & ciphers[i].capa) {
3114                         ret = os_snprintf(pos, end - pos, "%s%s",
3115                                           pos == buf ? "" : " ",
3116                                           ciphers[i].name);
3117                         if (ret < 0 || ret >= end - pos)
3118                                 return pos - buf;
3119                         pos += ret;
3120                 }
3121         }
3122
3123         return pos - buf;
3124 }
3125
3126
3127 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
3128                                               struct wpa_driver_capa *capa,
3129                                               char *buf, size_t buflen)
3130 {
3131         int ret;
3132         char *pos, *end;
3133         size_t len;
3134
3135         pos = buf;
3136         end = pos + buflen;
3137
3138         if (res < 0) {
3139                 if (strict)
3140                         return 0;
3141                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
3142                                  "NONE", buflen);
3143                 if (len >= buflen)
3144                         return -1;
3145                 return len;
3146         }
3147
3148         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
3149         if (ret < 0 || ret >= end - pos)
3150                 return pos - buf;
3151         pos += ret;
3152
3153         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3154                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
3155                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
3156                 if (ret < 0 || ret >= end - pos)
3157                         return pos - buf;
3158                 pos += ret;
3159         }
3160
3161         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3162                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3163                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
3164                 if (ret < 0 || ret >= end - pos)
3165                         return pos - buf;
3166                 pos += ret;
3167         }
3168
3169         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
3170                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
3171                 if (ret < 0 || ret >= end - pos)
3172                         return pos - buf;
3173                 pos += ret;
3174         }
3175
3176         return pos - buf;
3177 }
3178
3179
3180 static int ctrl_iface_get_capability_proto(int res, char *strict,
3181                                            struct wpa_driver_capa *capa,
3182                                            char *buf, size_t buflen)
3183 {
3184         int ret;
3185         char *pos, *end;
3186         size_t len;
3187
3188         pos = buf;
3189         end = pos + buflen;
3190
3191         if (res < 0) {
3192                 if (strict)
3193                         return 0;
3194                 len = os_strlcpy(buf, "RSN WPA", buflen);
3195                 if (len >= buflen)
3196                         return -1;
3197                 return len;
3198         }
3199
3200         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3201                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3202                 ret = os_snprintf(pos, end - pos, "%sRSN",
3203                                   pos == buf ? "" : " ");
3204                 if (ret < 0 || ret >= end - pos)
3205                         return pos - buf;
3206                 pos += ret;
3207         }
3208
3209         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3210                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
3211                 ret = os_snprintf(pos, end - pos, "%sWPA",
3212                                   pos == buf ? "" : " ");
3213                 if (ret < 0 || ret >= end - pos)
3214                         return pos - buf;
3215                 pos += ret;
3216         }
3217
3218         return pos - buf;
3219 }
3220
3221
3222 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
3223                                               struct wpa_driver_capa *capa,
3224                                               char *buf, size_t buflen)
3225 {
3226         int ret;
3227         char *pos, *end;
3228         size_t len;
3229
3230         pos = buf;
3231         end = pos + buflen;
3232
3233         if (res < 0) {
3234                 if (strict)
3235                         return 0;
3236                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3237                 if (len >= buflen)
3238                         return -1;
3239                 return len;
3240         }
3241
3242         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3243                 ret = os_snprintf(pos, end - pos, "%sOPEN",
3244                                   pos == buf ? "" : " ");
3245                 if (ret < 0 || ret >= end - pos)
3246                         return pos - buf;
3247                 pos += ret;
3248         }
3249
3250         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
3251                 ret = os_snprintf(pos, end - pos, "%sSHARED",
3252                                   pos == buf ? "" : " ");
3253                 if (ret < 0 || ret >= end - pos)
3254                         return pos - buf;
3255                 pos += ret;
3256         }
3257
3258         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3259                 ret = os_snprintf(pos, end - pos, "%sLEAP",
3260                                   pos == buf ? "" : " ");
3261                 if (ret < 0 || ret >= end - pos)
3262                         return pos - buf;
3263                 pos += ret;
3264         }
3265
3266         return pos - buf;
3267 }
3268
3269
3270 static int ctrl_iface_get_capability_modes(int res, char *strict,
3271                                            struct wpa_driver_capa *capa,
3272                                            char *buf, size_t buflen)
3273 {
3274         int ret;
3275         char *pos, *end;
3276         size_t len;
3277
3278         pos = buf;
3279         end = pos + buflen;
3280
3281         if (res < 0) {
3282                 if (strict)
3283                         return 0;
3284                 len = os_strlcpy(buf, "IBSS AP", buflen);
3285                 if (len >= buflen)
3286                         return -1;
3287                 return len;
3288         }
3289
3290         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3291                 ret = os_snprintf(pos, end - pos, "%sIBSS",
3292                                   pos == buf ? "" : " ");
3293                 if (ret < 0 || ret >= end - pos)
3294                         return pos - buf;
3295                 pos += ret;
3296         }
3297
3298         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3299                 ret = os_snprintf(pos, end - pos, "%sAP",
3300                                   pos == buf ? "" : " ");
3301                 if (ret < 0 || ret >= end - pos)
3302                         return pos - buf;
3303                 pos += ret;
3304         }
3305
3306         return pos - buf;
3307 }
3308
3309
3310 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3311                                               char *buf, size_t buflen)
3312 {
3313         struct hostapd_channel_data *chnl;
3314         int ret, i, j;
3315         char *pos, *end, *hmode;
3316
3317         pos = buf;
3318         end = pos + buflen;
3319
3320         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3321                 switch (wpa_s->hw.modes[j].mode) {
3322                 case HOSTAPD_MODE_IEEE80211B:
3323                         hmode = "B";
3324                         break;
3325                 case HOSTAPD_MODE_IEEE80211G:
3326                         hmode = "G";
3327                         break;
3328                 case HOSTAPD_MODE_IEEE80211A:
3329                         hmode = "A";
3330                         break;
3331                 case HOSTAPD_MODE_IEEE80211AD:
3332                         hmode = "AD";
3333                         break;
3334                 default:
3335                         continue;
3336                 }
3337                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3338                 if (ret < 0 || ret >= end - pos)
3339                         return pos - buf;
3340                 pos += ret;
3341                 chnl = wpa_s->hw.modes[j].channels;
3342                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3343                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3344                                 continue;
3345                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3346                         if (ret < 0 || ret >= end - pos)
3347                                 return pos - buf;
3348                         pos += ret;
3349                 }
3350                 ret = os_snprintf(pos, end - pos, "\n");
3351                 if (ret < 0 || ret >= end - pos)
3352                         return pos - buf;
3353                 pos += ret;
3354         }
3355
3356         return pos - buf;
3357 }
3358
3359
3360 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3361                                           char *buf, size_t buflen)
3362 {
3363         struct hostapd_channel_data *chnl;
3364         int ret, i, j;
3365         char *pos, *end, *hmode;
3366
3367         pos = buf;
3368         end = pos + buflen;
3369
3370         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3371                 switch (wpa_s->hw.modes[j].mode) {
3372                 case HOSTAPD_MODE_IEEE80211B:
3373                         hmode = "B";
3374                         break;
3375                 case HOSTAPD_MODE_IEEE80211G:
3376                         hmode = "G";
3377                         break;
3378                 case HOSTAPD_MODE_IEEE80211A:
3379                         hmode = "A";
3380                         break;
3381                 case HOSTAPD_MODE_IEEE80211AD:
3382                         hmode = "AD";
3383                         break;
3384                 default:
3385                         continue;
3386                 }
3387                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3388                                   hmode);
3389                 if (ret < 0 || ret >= end - pos)
3390                         return pos - buf;
3391                 pos += ret;
3392                 chnl = wpa_s->hw.modes[j].channels;
3393                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3394                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3395                                 continue;
3396                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s%s\n",
3397                                           chnl[i].chan, chnl[i].freq,
3398                                           chnl[i].flag & HOSTAPD_CHAN_NO_IR ?
3399                                           " (NO_IR)" : "",
3400                                           chnl[i].flag & HOSTAPD_CHAN_RADAR ?
3401                                           " (DFS)" : "");
3402
3403                         if (ret < 0 || ret >= end - pos)
3404                                 return pos - buf;
3405                         pos += ret;
3406                 }
3407                 ret = os_snprintf(pos, end - pos, "\n");
3408                 if (ret < 0 || ret >= end - pos)
3409                         return pos - buf;
3410                 pos += ret;
3411         }
3412
3413         return pos - buf;
3414 }
3415
3416
3417 static int wpa_supplicant_ctrl_iface_get_capability(
3418         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3419         size_t buflen)
3420 {
3421         struct wpa_driver_capa capa;
3422         int res;
3423         char *strict;
3424         char field[30];
3425         size_t len;
3426
3427         /* Determine whether or not strict checking was requested */
3428         len = os_strlcpy(field, _field, sizeof(field));
3429         if (len >= sizeof(field))
3430                 return -1;
3431         strict = os_strchr(field, ' ');
3432         if (strict != NULL) {
3433                 *strict++ = '\0';
3434                 if (os_strcmp(strict, "strict") != 0)
3435                         return -1;
3436         }
3437
3438         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3439                 field, strict ? strict : "");
3440
3441         if (os_strcmp(field, "eap") == 0) {
3442                 return eap_get_names(buf, buflen);
3443         }
3444
3445         res = wpa_drv_get_capa(wpa_s, &capa);
3446
3447         if (os_strcmp(field, "pairwise") == 0)
3448                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3449                                                           buf, buflen);
3450
3451         if (os_strcmp(field, "group") == 0)
3452                 return ctrl_iface_get_capability_group(res, strict, &capa,
3453                                                        buf, buflen);
3454
3455         if (os_strcmp(field, "key_mgmt") == 0)
3456                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3457                                                           buf, buflen);
3458
3459         if (os_strcmp(field, "proto") == 0)
3460                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3461                                                        buf, buflen);
3462
3463         if (os_strcmp(field, "auth_alg") == 0)
3464                 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
3465                                                           buf, buflen);
3466
3467         if (os_strcmp(field, "modes") == 0)
3468                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3469                                                        buf, buflen);
3470
3471         if (os_strcmp(field, "channels") == 0)
3472                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3473
3474         if (os_strcmp(field, "freq") == 0)
3475                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3476
3477 #ifdef CONFIG_TDLS
3478         if (os_strcmp(field, "tdls") == 0)
3479                 return ctrl_iface_get_capability_tdls(wpa_s, buf, buflen);
3480 #endif /* CONFIG_TDLS */
3481
3482         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3483                    field);
3484
3485         return -1;
3486 }
3487
3488
3489 #ifdef CONFIG_INTERWORKING
3490 static char * anqp_add_hex(char *pos, char *end, const char *title,
3491                            struct wpabuf *data)
3492 {
3493         char *start = pos;
3494         size_t i;
3495         int ret;
3496         const u8 *d;
3497
3498         if (data == NULL)
3499                 return start;
3500
3501         ret = os_snprintf(pos, end - pos, "%s=", title);
3502         if (ret < 0 || ret >= end - pos)
3503                 return start;
3504         pos += ret;
3505
3506         d = wpabuf_head_u8(data);
3507         for (i = 0; i < wpabuf_len(data); i++) {
3508                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3509                 if (ret < 0 || ret >= end - pos)
3510                         return start;
3511                 pos += ret;
3512         }
3513
3514         ret = os_snprintf(pos, end - pos, "\n");
3515         if (ret < 0 || ret >= end - pos)
3516                 return start;
3517         pos += ret;
3518
3519         return pos;
3520 }
3521 #endif /* CONFIG_INTERWORKING */
3522
3523
3524 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3525                           unsigned long mask, char *buf, size_t buflen)
3526 {
3527         size_t i;
3528         int ret;
3529         char *pos, *end;
3530         const u8 *ie, *ie2;
3531
3532         pos = buf;
3533         end = buf + buflen;
3534
3535         if (mask & WPA_BSS_MASK_ID) {
3536                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3537                 if (ret < 0 || ret >= end - pos)
3538                         return 0;
3539                 pos += ret;
3540         }
3541
3542         if (mask & WPA_BSS_MASK_BSSID) {
3543                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3544                                   MAC2STR(bss->bssid));
3545                 if (ret < 0 || ret >= end - pos)
3546                         return 0;
3547                 pos += ret;
3548         }
3549
3550         if (mask & WPA_BSS_MASK_FREQ) {
3551                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
3552                 if (ret < 0 || ret >= end - pos)
3553                         return 0;
3554                 pos += ret;
3555         }
3556
3557         if (mask & WPA_BSS_MASK_BEACON_INT) {
3558                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
3559                                   bss->beacon_int);
3560                 if (ret < 0 || ret >= end - pos)
3561                         return 0;
3562                 pos += ret;
3563         }
3564
3565         if (mask & WPA_BSS_MASK_CAPABILITIES) {
3566                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
3567                                   bss->caps);
3568                 if (ret < 0 || ret >= end - pos)
3569                         return 0;
3570                 pos += ret;
3571         }
3572
3573         if (mask & WPA_BSS_MASK_QUAL) {
3574                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
3575                 if (ret < 0 || ret >= end - pos)
3576                         return 0;
3577                 pos += ret;
3578         }
3579
3580         if (mask & WPA_BSS_MASK_NOISE) {
3581                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3582                 if (ret < 0 || ret >= end - pos)
3583                         return 0;
3584                 pos += ret;
3585         }
3586
3587         if (mask & WPA_BSS_MASK_LEVEL) {
3588                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3589                 if (ret < 0 || ret >= end - pos)
3590                         return 0;
3591                 pos += ret;
3592         }
3593
3594         if (mask & WPA_BSS_MASK_TSF) {
3595                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
3596                                   (unsigned long long) bss->tsf);
3597                 if (ret < 0 || ret >= end - pos)
3598                         return 0;
3599                 pos += ret;
3600         }
3601
3602         if (mask & WPA_BSS_MASK_AGE) {
3603                 struct os_reltime now;
3604
3605                 os_get_reltime(&now);
3606                 ret = os_snprintf(pos, end - pos, "age=%d\n",
3607                                   (int) (now.sec - bss->last_update.sec));
3608                 if (ret < 0 || ret >= end - pos)
3609                         return 0;
3610                 pos += ret;
3611         }
3612
3613         if (mask & WPA_BSS_MASK_IE) {
3614                 ret = os_snprintf(pos, end - pos, "ie=");
3615                 if (ret < 0 || ret >= end - pos)
3616                         return 0;
3617                 pos += ret;
3618
3619                 ie = (const u8 *) (bss + 1);
3620                 for (i = 0; i < bss->ie_len; i++) {
3621                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
3622                         if (ret < 0 || ret >= end - pos)
3623                                 return 0;
3624                         pos += ret;
3625                 }
3626
3627                 ret = os_snprintf(pos, end - pos, "\n");
3628                 if (ret < 0 || ret >= end - pos)
3629                         return 0;
3630                 pos += ret;
3631         }
3632
3633         if (mask & WPA_BSS_MASK_FLAGS) {
3634                 ret = os_snprintf(pos, end - pos, "flags=");
3635                 if (ret < 0 || ret >= end - pos)
3636                         return 0;
3637                 pos += ret;
3638
3639                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
3640                 if (ie)
3641                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
3642                                                     2 + ie[1]);
3643                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
3644                 if (ie2)
3645                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
3646                                                     2 + ie2[1]);
3647                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
3648                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3649                         ret = os_snprintf(pos, end - pos, "[WEP]");
3650                         if (ret < 0 || ret >= end - pos)
3651                                 return 0;
3652                         pos += ret;
3653                 }
3654                 if (bss_is_dmg(bss)) {
3655                         const char *s;
3656                         ret = os_snprintf(pos, end - pos, "[DMG]");
3657                         if (ret < 0 || ret >= end - pos)
3658                                 return 0;
3659                         pos += ret;
3660                         switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
3661                         case IEEE80211_CAP_DMG_IBSS:
3662                                 s = "[IBSS]";
3663                                 break;
3664                         case IEEE80211_CAP_DMG_AP:
3665                                 s = "[ESS]";
3666                                 break;
3667                         case IEEE80211_CAP_DMG_PBSS:
3668                                 s = "[PBSS]";
3669                                 break;
3670                         default:
3671                                 s = "";
3672                                 break;
3673                         }
3674                         ret = os_snprintf(pos, end - pos, "%s", s);
3675                         if (ret < 0 || ret >= end - pos)
3676                                 return 0;
3677                         pos += ret;
3678                 } else {
3679                         if (bss->caps & IEEE80211_CAP_IBSS) {
3680                                 ret = os_snprintf(pos, end - pos, "[IBSS]");
3681                                 if (ret < 0 || ret >= end - pos)
3682                                         return 0;
3683                                 pos += ret;
3684                         }
3685                         if (bss->caps & IEEE80211_CAP_ESS) {
3686                                 ret = os_snprintf(pos, end - pos, "[ESS]");
3687                                 if (ret < 0 || ret >= end - pos)
3688                                         return 0;
3689                                 pos += ret;
3690                         }
3691                 }
3692                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
3693                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
3694                         ret = os_snprintf(pos, end - pos, "[P2P]");
3695                         if (ret < 0 || ret >= end - pos)
3696                                 return 0;
3697                         pos += ret;
3698                 }
3699 #ifdef CONFIG_HS20
3700                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3701                         ret = os_snprintf(pos, end - pos, "[HS20]");
3702                         if (ret < 0 || ret >= end - pos)
3703                                 return 0;
3704                         pos += ret;
3705                 }
3706 #endif /* CONFIG_HS20 */
3707
3708                 ret = os_snprintf(pos, end - pos, "\n");
3709                 if (ret < 0 || ret >= end - pos)
3710                         return 0;
3711                 pos += ret;
3712         }
3713
3714         if (mask & WPA_BSS_MASK_SSID) {
3715                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3716                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
3717                 if (ret < 0 || ret >= end - pos)
3718                         return 0;
3719                 pos += ret;
3720         }
3721
3722 #ifdef CONFIG_WPS
3723         if (mask & WPA_BSS_MASK_WPS_SCAN) {
3724                 ie = (const u8 *) (bss + 1);
3725                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3726                 if (ret < 0 || ret >= end - pos)
3727                         return 0;
3728                 pos += ret;
3729         }
3730 #endif /* CONFIG_WPS */
3731
3732 #ifdef CONFIG_P2P
3733         if (mask & WPA_BSS_MASK_P2P_SCAN) {
3734                 ie = (const u8 *) (bss + 1);
3735                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3736                 if (ret < 0 || ret >= end - pos)
3737                         return 0;
3738                 pos += ret;
3739         }
3740 #endif /* CONFIG_P2P */
3741
3742 #ifdef CONFIG_WIFI_DISPLAY
3743         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3744                 struct wpabuf *wfd;
3745                 ie = (const u8 *) (bss + 1);
3746                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3747                                                   WFD_IE_VENDOR_TYPE);
3748                 if (wfd) {
3749                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3750                         if (ret < 0 || ret >= end - pos) {
3751                                 wpabuf_free(wfd);
3752                                 return 0;
3753                         }
3754                         pos += ret;
3755
3756                         pos += wpa_snprintf_hex(pos, end - pos,
3757                                                 wpabuf_head(wfd),
3758                                                 wpabuf_len(wfd));
3759                         wpabuf_free(wfd);
3760
3761                         ret = os_snprintf(pos, end - pos, "\n");
3762                         if (ret < 0 || ret >= end - pos)
3763                                 return 0;
3764                         pos += ret;
3765                 }
3766         }
3767 #endif /* CONFIG_WIFI_DISPLAY */
3768
3769 #ifdef CONFIG_INTERWORKING
3770         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3771                 struct wpa_bss_anqp *anqp = bss->anqp;
3772                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3773                                    anqp->venue_name);
3774                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3775                                    anqp->network_auth_type);
3776                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3777                                    anqp->roaming_consortium);
3778                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3779                                    anqp->ip_addr_type_availability);
3780                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3781                                    anqp->nai_realm);
3782                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3783                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3784                                    anqp->domain_name);
3785 #ifdef CONFIG_HS20
3786                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3787                                    anqp->hs20_operator_friendly_name);
3788                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3789                                    anqp->hs20_wan_metrics);
3790                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3791                                    anqp->hs20_connection_capability);
3792                 pos = anqp_add_hex(pos, end, "hs20_operating_class",
3793                                    anqp->hs20_operating_class);
3794                 pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
3795                                    anqp->hs20_osu_providers_list);
3796 #endif /* CONFIG_HS20 */
3797         }
3798 #endif /* CONFIG_INTERWORKING */
3799
3800         if (mask & WPA_BSS_MASK_DELIM) {
3801                 ret = os_snprintf(pos, end - pos, "====\n");
3802                 if (ret < 0 || ret >= end - pos)
3803                         return 0;
3804                 pos += ret;
3805         }
3806
3807         return pos - buf;
3808 }
3809
3810
3811 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3812                                          const char *cmd, char *buf,
3813                                          size_t buflen)
3814 {
3815         u8 bssid[ETH_ALEN];
3816         size_t i;
3817         struct wpa_bss *bss;
3818         struct wpa_bss *bsslast = NULL;
3819         struct dl_list *next;
3820         int ret = 0;
3821         int len;
3822         char *ctmp;
3823         unsigned long mask = WPA_BSS_MASK_ALL;
3824
3825         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3826                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3827                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3828                                             list_id);
3829                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3830                                                list_id);
3831                 } else { /* N1-N2 */
3832                         unsigned int id1, id2;
3833
3834                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3835                                 wpa_printf(MSG_INFO, "Wrong BSS range "
3836                                            "format");
3837                                 return 0;
3838                         }
3839
3840                         if (*(cmd + 6) == '-')
3841                                 id1 = 0;
3842                         else
3843                                 id1 = atoi(cmd + 6);
3844                         ctmp++;
3845                         if (*ctmp >= '0' && *ctmp <= '9')
3846                                 id2 = atoi(ctmp);
3847                         else
3848                                 id2 = (unsigned int) -1;
3849                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
3850                         if (id2 == (unsigned int) -1)
3851                                 bsslast = dl_list_last(&wpa_s->bss_id,
3852                                                        struct wpa_bss,
3853                                                        list_id);
3854                         else {
3855                                 bsslast = wpa_bss_get_id(wpa_s, id2);
3856                                 if (bsslast == NULL && bss && id2 > id1) {
3857                                         struct wpa_bss *tmp = bss;
3858                                         for (;;) {
3859                                                 next = tmp->list_id.next;
3860                                                 if (next == &wpa_s->bss_id)
3861                                                         break;
3862                                                 tmp = dl_list_entry(
3863                                                         next, struct wpa_bss,
3864                                                         list_id);
3865                                                 if (tmp->id > id2)
3866                                                         break;
3867                                                 bsslast = tmp;
3868                                         }
3869                                 }
3870                         }
3871                 }
3872         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
3873                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3874         else if (os_strncmp(cmd, "LAST", 4) == 0)
3875                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
3876         else if (os_strncmp(cmd, "ID-", 3) == 0) {
3877                 i = atoi(cmd + 3);
3878                 bss = wpa_bss_get_id(wpa_s, i);
3879         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3880                 i = atoi(cmd + 5);
3881                 bss = wpa_bss_get_id(wpa_s, i);
3882                 if (bss) {
3883                         next = bss->list_id.next;
3884                         if (next == &wpa_s->bss_id)
3885                                 bss = NULL;
3886                         else
3887                                 bss = dl_list_entry(next, struct wpa_bss,
3888                                                     list_id);
3889                 }
3890 #ifdef CONFIG_P2P
3891         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3892                 if (hwaddr_aton(cmd + 13, bssid) == 0)
3893                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3894                 else
3895                         bss = NULL;
3896 #endif /* CONFIG_P2P */
3897         } else if (hwaddr_aton(cmd, bssid) == 0)
3898                 bss = wpa_bss_get_bssid(wpa_s, bssid);
3899         else {
3900                 struct wpa_bss *tmp;
3901                 i = atoi(cmd);
3902                 bss = NULL;
3903                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3904                 {
3905                         if (i-- == 0) {
3906                                 bss = tmp;
3907                                 break;
3908                         }
3909                 }
3910         }
3911
3912         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3913                 mask = strtoul(ctmp + 5, NULL, 0x10);
3914                 if (mask == 0)
3915                         mask = WPA_BSS_MASK_ALL;
3916         }
3917
3918         if (bss == NULL)
3919                 return 0;
3920
3921         if (bsslast == NULL)
3922                 bsslast = bss;
3923         do {
3924                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3925                 ret += len;
3926                 buf += len;
3927                 buflen -= len;
3928                 if (bss == bsslast) {
3929                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
3930                             (bss == dl_list_last(&wpa_s->bss_id,
3931                                                  struct wpa_bss, list_id)))
3932                                 os_snprintf(buf - 5, 5, "####\n");
3933                         break;
3934                 }
3935                 next = bss->list_id.next;
3936                 if (next == &wpa_s->bss_id)
3937                         break;
3938                 bss = dl_list_entry(next, struct wpa_bss, list_id);
3939         } while (bss && len);
3940
3941         return ret;
3942 }
3943
3944
3945 static int wpa_supplicant_ctrl_iface_ap_scan(
3946         struct wpa_supplicant *wpa_s, char *cmd)
3947 {
3948         int ap_scan = atoi(cmd);
3949         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3950 }
3951
3952
3953 static int wpa_supplicant_ctrl_iface_scan_interval(
3954         struct wpa_supplicant *wpa_s, char *cmd)
3955 {
3956         int scan_int = atoi(cmd);
3957         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3958 }
3959
3960
3961 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3962         struct wpa_supplicant *wpa_s, char *cmd)
3963 {
3964         int expire_age = atoi(cmd);
3965         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3966 }
3967
3968
3969 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3970         struct wpa_supplicant *wpa_s, char *cmd)
3971 {
3972         int expire_count = atoi(cmd);
3973         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3974 }
3975
3976
3977 static int wpa_supplicant_ctrl_iface_bss_flush(
3978         struct wpa_supplicant *wpa_s, char *cmd)
3979 {
3980         int flush_age = atoi(cmd);
3981
3982         if (flush_age == 0)
3983                 wpa_bss_flush(wpa_s);
3984         else
3985                 wpa_bss_flush_by_age(wpa_s, flush_age);
3986         return 0;
3987 }
3988
3989
3990 #ifdef CONFIG_TESTING_OPTIONS
3991 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3992 {
3993         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3994         /* MLME-DELETEKEYS.request */
3995         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3996         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3997         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3998         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3999 #ifdef CONFIG_IEEE80211W
4000         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
4001         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
4002 #endif /* CONFIG_IEEE80211W */
4003
4004         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
4005                         0);
4006         /* MLME-SETPROTECTION.request(None) */
4007         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
4008                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
4009                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
4010         wpa_sm_drop_sa(wpa_s->wpa);
4011 }
4012 #endif /* CONFIG_TESTING_OPTIONS */
4013
4014
4015 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
4016                                           char *addr)
4017 {
4018 #ifdef CONFIG_NO_SCAN_PROCESSING
4019         return -1;
4020 #else /* CONFIG_NO_SCAN_PROCESSING */
4021         u8 bssid[ETH_ALEN];
4022         struct wpa_bss *bss;
4023         struct wpa_ssid *ssid = wpa_s->current_ssid;
4024
4025         if (hwaddr_aton(addr, bssid)) {
4026                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
4027                            "address '%s'", addr);
4028                 return -1;
4029         }
4030
4031         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
4032
4033         if (!ssid) {
4034                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
4035                            "configuration known for the target AP");
4036                 return -1;
4037         }
4038
4039         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
4040         if (!bss) {
4041                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
4042                            "from BSS table");
4043                 return -1;
4044         }
4045
4046         /*
4047          * TODO: Find best network configuration block from configuration to
4048          * allow roaming to other networks
4049          */
4050
4051         wpa_s->reassociate = 1;
4052         wpa_supplicant_connect(wpa_s, bss, ssid);
4053
4054         return 0;
4055 #endif /* CONFIG_NO_SCAN_PROCESSING */
4056 }
4057
4058
4059 #ifdef CONFIG_P2P
4060 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
4061 {
4062         unsigned int timeout = atoi(cmd);
4063         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
4064         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
4065         u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
4066         char *pos;
4067         unsigned int search_delay;
4068
4069         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4070                 wpa_dbg(wpa_s, MSG_INFO,
4071                         "Reject P2P_FIND since interface is disabled");
4072                 return -1;
4073         }
4074         if (os_strstr(cmd, "type=social"))
4075                 type = P2P_FIND_ONLY_SOCIAL;
4076         else if (os_strstr(cmd, "type=progressive"))
4077                 type = P2P_FIND_PROGRESSIVE;
4078
4079         pos = os_strstr(cmd, "dev_id=");
4080         if (pos) {
4081                 pos += 7;
4082                 if (hwaddr_aton(pos, dev_id))
4083                         return -1;
4084                 _dev_id = dev_id;
4085         }
4086
4087         pos = os_strstr(cmd, "dev_type=");
4088         if (pos) {
4089                 pos += 9;
4090                 if (wps_dev_type_str2bin(pos, dev_type) < 0)
4091                         return -1;
4092                 _dev_type = dev_type;
4093         }
4094
4095         pos = os_strstr(cmd, "delay=");
4096         if (pos) {
4097                 pos += 6;
4098                 search_delay = atoi(pos);
4099         } else
4100                 search_delay = wpas_p2p_search_delay(wpa_s);
4101
4102         return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
4103                              _dev_id, search_delay);
4104 }
4105
4106
4107 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
4108                             char *buf, size_t buflen)
4109 {
4110         u8 addr[ETH_ALEN];
4111         char *pos, *pos2;
4112         char *pin = NULL;
4113         enum p2p_wps_method wps_method;
4114         int new_pin;
4115         int ret;
4116         int persistent_group, persistent_id = -1;
4117         int join;
4118         int auth;
4119         int automatic;
4120         int go_intent = -1;
4121         int freq = 0;
4122         int pd;
4123         int ht40, vht;
4124
4125         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
4126          * [persistent|persistent=<network id>]
4127          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
4128          * [ht40] [vht] */
4129
4130         if (hwaddr_aton(cmd, addr))
4131                 return -1;
4132
4133         pos = cmd + 17;
4134         if (*pos != ' ')
4135                 return -1;
4136         pos++;
4137
4138         persistent_group = os_strstr(pos, " persistent") != NULL;
4139         pos2 = os_strstr(pos, " persistent=");
4140         if (pos2) {
4141                 struct wpa_ssid *ssid;
4142                 persistent_id = atoi(pos2 + 12);
4143                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
4144                 if (ssid == NULL || ssid->disabled != 2 ||
4145                     ssid->mode != WPAS_MODE_P2P_GO) {
4146                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
4147                                    "SSID id=%d for persistent P2P group (GO)",
4148                                    persistent_id);
4149                         return -1;
4150                 }
4151         }
4152         join = os_strstr(pos, " join") != NULL;
4153         auth = os_strstr(pos, " auth") != NULL;
4154         automatic = os_strstr(pos, " auto") != NULL;
4155         pd = os_strstr(pos, " provdisc") != NULL;
4156         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4157         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4158                 vht;
4159
4160         pos2 = os_strstr(pos, " go_intent=");
4161         if (pos2) {
4162                 pos2 += 11;
4163                 go_intent = atoi(pos2);
4164                 if (go_intent < 0 || go_intent > 15)
4165                         return -1;
4166         }
4167
4168         pos2 = os_strstr(pos, " freq=");
4169         if (pos2) {
4170                 pos2 += 6;
4171                 freq = atoi(pos2);
4172                 if (freq <= 0)
4173                         return -1;
4174         }
4175
4176         if (os_strncmp(pos, "pin", 3) == 0) {
4177                 /* Request random PIN (to be displayed) and enable the PIN */
4178                 wps_method = WPS_PIN_DISPLAY;
4179         } else if (os_strncmp(pos, "pbc", 3) == 0) {
4180                 wps_method = WPS_PBC;
4181         } else {
4182                 pin = pos;
4183                 pos = os_strchr(pin, ' ');
4184                 wps_method = WPS_PIN_KEYPAD;
4185                 if (pos) {
4186                         *pos++ = '\0';
4187                         if (os_strncmp(pos, "display", 7) == 0)
4188                                 wps_method = WPS_PIN_DISPLAY;
4189                 }
4190                 if (!wps_pin_str_valid(pin)) {
4191                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
4192                         return 17;
4193                 }
4194         }
4195
4196         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
4197                                    persistent_group, automatic, join,
4198                                    auth, go_intent, freq, persistent_id, pd,
4199                                    ht40, vht);
4200         if (new_pin == -2) {
4201                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
4202                 return 25;
4203         }
4204         if (new_pin == -3) {
4205                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
4206                 return 25;
4207         }
4208         if (new_pin < 0)
4209                 return -1;
4210         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
4211                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
4212                 if (ret < 0 || (size_t) ret >= buflen)
4213                         return -1;
4214                 return ret;
4215         }
4216
4217         os_memcpy(buf, "OK\n", 3);
4218         return 3;
4219 }
4220
4221
4222 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
4223 {
4224         unsigned int timeout = atoi(cmd);
4225         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4226                 wpa_dbg(wpa_s, MSG_INFO,
4227                         "Reject P2P_LISTEN since interface is disabled");
4228                 return -1;
4229         }
4230         return wpas_p2p_listen(wpa_s, timeout);
4231 }
4232
4233
4234 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
4235 {
4236         u8 addr[ETH_ALEN];
4237         char *pos;
4238         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
4239
4240         /* <addr> <config method> [join|auto] */
4241
4242         if (hwaddr_aton(cmd, addr))
4243                 return -1;
4244
4245         pos = cmd + 17;
4246         if (*pos != ' ')
4247                 return -1;
4248         pos++;
4249
4250         if (os_strstr(pos, " join") != NULL)
4251                 use = WPAS_P2P_PD_FOR_JOIN;
4252         else if (os_strstr(pos, " auto") != NULL)
4253                 use = WPAS_P2P_PD_AUTO;
4254
4255         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
4256 }
4257
4258
4259 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
4260                               size_t buflen)
4261 {
4262         struct wpa_ssid *ssid = wpa_s->current_ssid;
4263
4264         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
4265             ssid->passphrase == NULL)
4266                 return -1;
4267
4268         os_strlcpy(buf, ssid->passphrase, buflen);
4269         return os_strlen(buf);
4270 }
4271
4272
4273 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
4274                                   char *buf, size_t buflen)
4275 {
4276         u64 ref;
4277         int res;
4278         u8 dst_buf[ETH_ALEN], *dst;
4279         struct wpabuf *tlvs;
4280         char *pos;
4281         size_t len;
4282
4283         if (hwaddr_aton(cmd, dst_buf))
4284                 return -1;
4285         dst = dst_buf;
4286         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
4287             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
4288                 dst = NULL;
4289         pos = cmd + 17;
4290         if (*pos != ' ')
4291                 return -1;
4292         pos++;
4293
4294         if (os_strncmp(pos, "upnp ", 5) == 0) {
4295                 u8 version;
4296                 pos += 5;
4297                 if (hexstr2bin(pos, &version, 1) < 0)
4298                         return -1;
4299                 pos += 2;
4300                 if (*pos != ' ')
4301                         return -1;
4302                 pos++;
4303                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
4304 #ifdef CONFIG_WIFI_DISPLAY
4305         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
4306                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
4307 #endif /* CONFIG_WIFI_DISPLAY */
4308         } else {
4309                 len = os_strlen(pos);
4310                 if (len & 1)
4311                         return -1;
4312                 len /= 2;
4313                 tlvs = wpabuf_alloc(len);
4314                 if (tlvs == NULL)
4315                         return -1;
4316                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
4317                         wpabuf_free(tlvs);
4318                         return -1;
4319                 }
4320
4321                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
4322                 wpabuf_free(tlvs);
4323         }
4324         if (ref == 0)
4325                 return -1;
4326         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
4327         if (res < 0 || (unsigned) res >= buflen)
4328                 return -1;
4329         return res;
4330 }
4331
4332
4333 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
4334                                          char *cmd)
4335 {
4336         long long unsigned val;
4337         u64 req;
4338         if (sscanf(cmd, "%llx", &val) != 1)
4339                 return -1;
4340         req = val;
4341         return wpas_p2p_sd_cancel_request(wpa_s, req);
4342 }
4343
4344
4345 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
4346 {
4347         int freq;
4348         u8 dst[ETH_ALEN];
4349         u8 dialog_token;
4350         struct wpabuf *resp_tlvs;
4351         char *pos, *pos2;
4352         size_t len;
4353
4354         pos = os_strchr(cmd, ' ');
4355         if (pos == NULL)
4356                 return -1;
4357         *pos++ = '\0';
4358         freq = atoi(cmd);
4359         if (freq == 0)
4360                 return -1;
4361
4362         if (hwaddr_aton(pos, dst))
4363                 return -1;
4364         pos += 17;
4365         if (*pos != ' ')
4366                 return -1;
4367         pos++;
4368
4369         pos2 = os_strchr(pos, ' ');
4370         if (pos2 == NULL)
4371                 return -1;
4372         *pos2++ = '\0';
4373         dialog_token = atoi(pos);
4374
4375         len = os_strlen(pos2);
4376         if (len & 1)
4377                 return -1;
4378         len /= 2;
4379         resp_tlvs = wpabuf_alloc(len);
4380         if (resp_tlvs == NULL)
4381                 return -1;
4382         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
4383                 wpabuf_free(resp_tlvs);
4384                 return -1;
4385         }
4386
4387         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
4388         wpabuf_free(resp_tlvs);
4389         return 0;
4390 }
4391
4392
4393 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
4394                                        char *cmd)
4395 {
4396         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
4397                 return -1;
4398         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
4399         return 0;
4400 }
4401
4402
4403 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
4404                                         char *cmd)
4405 {
4406         char *pos;
4407         size_t len;
4408         struct wpabuf *query, *resp;
4409
4410         pos = os_strchr(cmd, ' ');
4411         if (pos == NULL)
4412                 return -1;
4413         *pos++ = '\0';
4414
4415         len = os_strlen(cmd);
4416         if (len & 1)
4417                 return -1;
4418         len /= 2;
4419         query = wpabuf_alloc(len);
4420         if (query == NULL)
4421                 return -1;
4422         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4423                 wpabuf_free(query);
4424                 return -1;
4425         }
4426
4427         len = os_strlen(pos);
4428         if (len & 1) {
4429                 wpabuf_free(query);
4430                 return -1;
4431         }
4432         len /= 2;
4433         resp = wpabuf_alloc(len);
4434         if (resp == NULL) {
4435                 wpabuf_free(query);
4436                 return -1;
4437         }
4438         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
4439                 wpabuf_free(query);
4440                 wpabuf_free(resp);
4441                 return -1;
4442         }
4443
4444         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
4445                 wpabuf_free(query);
4446                 wpabuf_free(resp);
4447                 return -1;
4448         }
4449         return 0;
4450 }
4451
4452
4453 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4454 {
4455         char *pos;
4456         u8 version;
4457
4458         pos = os_strchr(cmd, ' ');
4459         if (pos == NULL)
4460                 return -1;
4461         *pos++ = '\0';
4462
4463         if (hexstr2bin(cmd, &version, 1) < 0)
4464                 return -1;
4465
4466         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
4467 }
4468
4469
4470 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
4471 {
4472         char *pos;
4473
4474         pos = os_strchr(cmd, ' ');
4475         if (pos == NULL)
4476                 return -1;
4477         *pos++ = '\0';
4478
4479         if (os_strcmp(cmd, "bonjour") == 0)
4480                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
4481         if (os_strcmp(cmd, "upnp") == 0)
4482                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
4483         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4484         return -1;
4485 }
4486
4487
4488 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
4489                                         char *cmd)
4490 {
4491         size_t len;
4492         struct wpabuf *query;
4493         int ret;
4494
4495         len = os_strlen(cmd);
4496         if (len & 1)
4497                 return -1;
4498         len /= 2;
4499         query = wpabuf_alloc(len);
4500         if (query == NULL)
4501                 return -1;
4502         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4503                 wpabuf_free(query);
4504                 return -1;
4505         }
4506
4507         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
4508         wpabuf_free(query);
4509         return ret;
4510 }
4511
4512
4513 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4514 {
4515         char *pos;
4516         u8 version;
4517
4518         pos = os_strchr(cmd, ' ');
4519         if (pos == NULL)
4520                 return -1;
4521         *pos++ = '\0';
4522
4523         if (hexstr2bin(cmd, &version, 1) < 0)
4524                 return -1;
4525
4526         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
4527 }
4528
4529
4530 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
4531 {
4532         char *pos;
4533
4534         pos = os_strchr(cmd, ' ');
4535         if (pos == NULL)
4536                 return -1;
4537         *pos++ = '\0';
4538
4539         if (os_strcmp(cmd, "bonjour") == 0)
4540                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
4541         if (os_strcmp(cmd, "upnp") == 0)
4542                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
4543         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4544         return -1;
4545 }
4546
4547
4548 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
4549 {
4550         u8 addr[ETH_ALEN];
4551
4552         /* <addr> */
4553
4554         if (hwaddr_aton(cmd, addr))
4555                 return -1;
4556
4557         return wpas_p2p_reject(wpa_s, addr);
4558 }
4559
4560
4561 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
4562 {
4563         char *pos;
4564         int id;
4565         struct wpa_ssid *ssid;
4566         u8 *_peer = NULL, peer[ETH_ALEN];
4567         int freq = 0, pref_freq = 0;
4568         int ht40, vht;
4569
4570         id = atoi(cmd);
4571         pos = os_strstr(cmd, " peer=");
4572         if (pos) {
4573                 pos += 6;
4574                 if (hwaddr_aton(pos, peer))
4575                         return -1;
4576                 _peer = peer;
4577         }
4578         ssid = wpa_config_get_network(wpa_s->conf, id);
4579         if (ssid == NULL || ssid->disabled != 2) {
4580                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4581                            "for persistent P2P group",
4582                            id);
4583                 return -1;
4584         }
4585
4586         pos = os_strstr(cmd, " freq=");
4587         if (pos) {
4588                 pos += 6;
4589                 freq = atoi(pos);
4590                 if (freq <= 0)
4591                         return -1;
4592         }
4593
4594         pos = os_strstr(cmd, " pref=");
4595         if (pos) {
4596                 pos += 6;
4597                 pref_freq = atoi(pos);
4598                 if (pref_freq <= 0)
4599                         return -1;
4600         }
4601
4602         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4603         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4604                 vht;
4605
4606         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
4607                                pref_freq);
4608 }
4609
4610
4611 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
4612 {
4613         char *pos;
4614         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
4615
4616         pos = os_strstr(cmd, " peer=");
4617         if (!pos)
4618                 return -1;
4619
4620         *pos = '\0';
4621         pos += 6;
4622         if (hwaddr_aton(pos, peer)) {
4623                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
4624                 return -1;
4625         }
4626
4627         pos = os_strstr(pos, " go_dev_addr=");
4628         if (pos) {
4629                 pos += 13;
4630                 if (hwaddr_aton(pos, go_dev_addr)) {
4631                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
4632                                    pos);
4633                         return -1;
4634                 }
4635                 go_dev = go_dev_addr;
4636         }
4637
4638         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
4639 }
4640
4641
4642 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
4643 {
4644         if (os_strncmp(cmd, "persistent=", 11) == 0)
4645                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
4646         if (os_strncmp(cmd, "group=", 6) == 0)
4647                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
4648
4649         return -1;
4650 }
4651
4652
4653 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
4654                                          char *cmd, int freq, int ht40,
4655                                          int vht)
4656 {
4657         int id;
4658         struct wpa_ssid *ssid;
4659
4660         id = atoi(cmd);
4661         ssid = wpa_config_get_network(wpa_s->conf, id);
4662         if (ssid == NULL || ssid->disabled != 2) {
4663                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4664                            "for persistent P2P group",
4665                            id);
4666                 return -1;
4667         }
4668
4669         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, 0, ht40, vht,
4670                                              NULL, 0);
4671 }
4672
4673
4674 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
4675 {
4676         int freq = 0, ht40, vht;
4677         char *pos;
4678
4679         pos = os_strstr(cmd, "freq=");
4680         if (pos)
4681                 freq = atoi(pos + 5);
4682
4683         vht = (os_strstr(cmd, "vht") != NULL) || wpa_s->conf->p2p_go_vht;
4684         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4685                 vht;
4686
4687         if (os_strncmp(cmd, "persistent=", 11) == 0)
4688                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
4689                                                      ht40, vht);
4690         if (os_strcmp(cmd, "persistent") == 0 ||
4691             os_strncmp(cmd, "persistent ", 11) == 0)
4692                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40, vht);
4693         if (os_strncmp(cmd, "freq=", 5) == 0)
4694                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
4695         if (ht40)
4696                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
4697
4698         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
4699                    cmd);
4700         return -1;
4701 }
4702
4703
4704 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
4705                          char *buf, size_t buflen)
4706 {
4707         u8 addr[ETH_ALEN], *addr_ptr;
4708         int next, res;
4709         const struct p2p_peer_info *info;
4710         char *pos, *end;
4711         char devtype[WPS_DEV_TYPE_BUFSIZE];
4712         struct wpa_ssid *ssid;
4713         size_t i;
4714
4715         if (!wpa_s->global->p2p)
4716                 return -1;
4717
4718         if (os_strcmp(cmd, "FIRST") == 0) {
4719                 addr_ptr = NULL;
4720                 next = 0;
4721         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4722                 if (hwaddr_aton(cmd + 5, addr) < 0)
4723                         return -1;
4724                 addr_ptr = addr;
4725                 next = 1;
4726         } else {
4727                 if (hwaddr_aton(cmd, addr) < 0)
4728                         return -1;
4729                 addr_ptr = addr;
4730                 next = 0;
4731         }
4732
4733         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4734         if (info == NULL)
4735                 return -1;
4736
4737         pos = buf;
4738         end = buf + buflen;
4739
4740         res = os_snprintf(pos, end - pos, MACSTR "\n"
4741                           "pri_dev_type=%s\n"
4742                           "device_name=%s\n"
4743                           "manufacturer=%s\n"
4744                           "model_name=%s\n"
4745                           "model_number=%s\n"
4746                           "serial_number=%s\n"
4747                           "config_methods=0x%x\n"
4748                           "dev_capab=0x%x\n"
4749                           "group_capab=0x%x\n"
4750                           "level=%d\n",
4751                           MAC2STR(info->p2p_device_addr),
4752                           wps_dev_type_bin2str(info->pri_dev_type,
4753                                                devtype, sizeof(devtype)),
4754                           info->device_name,
4755                           info->manufacturer,
4756                           info->model_name,
4757                           info->model_number,
4758                           info->serial_number,
4759                           info->config_methods,
4760                           info->dev_capab,
4761                           info->group_capab,
4762                           info->level);
4763         if (res < 0 || res >= end - pos)
4764                 return pos - buf;
4765         pos += res;
4766
4767         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4768         {
4769                 const u8 *t;
4770                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4771                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4772                                   wps_dev_type_bin2str(t, devtype,
4773                                                        sizeof(devtype)));
4774                 if (res < 0 || res >= end - pos)
4775                         return pos - buf;
4776                 pos += res;
4777         }
4778
4779         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4780         if (ssid) {
4781                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4782                 if (res < 0 || res >= end - pos)
4783                         return pos - buf;
4784                 pos += res;
4785         }
4786
4787         res = p2p_get_peer_info_txt(info, pos, end - pos);
4788         if (res < 0)
4789                 return pos - buf;
4790         pos += res;
4791
4792         if (info->vendor_elems) {
4793                 res = os_snprintf(pos, end - pos, "vendor_elems=");
4794                 if (res < 0 || res >= end - pos)
4795                         return pos - buf;
4796                 pos += res;
4797
4798                 pos += wpa_snprintf_hex(pos, end - pos,
4799                                         wpabuf_head(info->vendor_elems),
4800                                         wpabuf_len(info->vendor_elems));
4801
4802                 res = os_snprintf(pos, end - pos, "\n");
4803                 if (res < 0 || res >= end - pos)
4804                         return pos - buf;
4805                 pos += res;
4806         }
4807
4808         return pos - buf;
4809 }
4810
4811
4812 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4813                                   const char *param)
4814 {
4815         unsigned int i;
4816
4817         if (wpa_s->global->p2p == NULL)
4818                 return -1;
4819
4820         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
4821                 return -1;
4822
4823         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
4824                 struct wpa_freq_range *freq;
4825                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
4826                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4827                            freq->min, freq->max);
4828         }
4829
4830         wpas_p2p_update_channel_list(wpa_s);
4831         return 0;
4832 }
4833
4834
4835 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4836 {
4837         char *param;
4838
4839         if (wpa_s->global->p2p == NULL)
4840                 return -1;
4841
4842         param = os_strchr(cmd, ' ');
4843         if (param == NULL)
4844                 return -1;
4845         *param++ = '\0';
4846
4847         if (os_strcmp(cmd, "discoverability") == 0) {
4848                 p2p_set_client_discoverability(wpa_s->global->p2p,
4849                                                atoi(param));
4850                 return 0;
4851         }
4852
4853         if (os_strcmp(cmd, "managed") == 0) {
4854                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4855                 return 0;
4856         }
4857
4858         if (os_strcmp(cmd, "listen_channel") == 0) {
4859                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4860                                               atoi(param), 1);
4861         }
4862
4863         if (os_strcmp(cmd, "ssid_postfix") == 0) {
4864                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4865                                             os_strlen(param));
4866         }
4867
4868         if (os_strcmp(cmd, "noa") == 0) {
4869                 char *pos;
4870                 int count, start, duration;
4871                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4872                 count = atoi(param);
4873                 pos = os_strchr(param, ',');
4874                 if (pos == NULL)
4875                         return -1;
4876                 pos++;
4877                 start = atoi(pos);
4878                 pos = os_strchr(pos, ',');
4879                 if (pos == NULL)
4880                         return -1;
4881                 pos++;
4882                 duration = atoi(pos);
4883                 if (count < 0 || count > 255 || start < 0 || duration < 0)
4884                         return -1;
4885                 if (count == 0 && duration > 0)
4886                         return -1;
4887                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4888                            "start=%d duration=%d", count, start, duration);
4889                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4890         }
4891
4892         if (os_strcmp(cmd, "ps") == 0)
4893                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4894
4895         if (os_strcmp(cmd, "oppps") == 0)
4896                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4897
4898         if (os_strcmp(cmd, "ctwindow") == 0)
4899                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4900
4901         if (os_strcmp(cmd, "disabled") == 0) {
4902                 wpa_s->global->p2p_disabled = atoi(param);
4903                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4904                            wpa_s->global->p2p_disabled ?
4905                            "disabled" : "enabled");
4906                 if (wpa_s->global->p2p_disabled) {
4907                         wpas_p2p_stop_find(wpa_s);
4908                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4909                         p2p_flush(wpa_s->global->p2p);
4910                 }
4911                 return 0;
4912         }
4913
4914         if (os_strcmp(cmd, "conc_pref") == 0) {
4915                 if (os_strcmp(param, "sta") == 0)
4916                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4917                 else if (os_strcmp(param, "p2p") == 0)
4918                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4919                 else {
4920                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
4921                         return -1;
4922                 }
4923                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4924                            "%s", param);
4925                 return 0;
4926         }
4927
4928         if (os_strcmp(cmd, "force_long_sd") == 0) {
4929                 wpa_s->force_long_sd = atoi(param);
4930                 return 0;
4931         }
4932
4933         if (os_strcmp(cmd, "peer_filter") == 0) {
4934                 u8 addr[ETH_ALEN];
4935                 if (hwaddr_aton(param, addr))
4936                         return -1;
4937                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
4938                 return 0;
4939         }
4940
4941         if (os_strcmp(cmd, "cross_connect") == 0)
4942                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4943
4944         if (os_strcmp(cmd, "go_apsd") == 0) {
4945                 if (os_strcmp(param, "disable") == 0)
4946                         wpa_s->set_ap_uapsd = 0;
4947                 else {
4948                         wpa_s->set_ap_uapsd = 1;
4949                         wpa_s->ap_uapsd = atoi(param);
4950                 }
4951                 return 0;
4952         }
4953
4954         if (os_strcmp(cmd, "client_apsd") == 0) {
4955                 if (os_strcmp(param, "disable") == 0)
4956                         wpa_s->set_sta_uapsd = 0;
4957                 else {
4958                         int be, bk, vi, vo;
4959                         char *pos;
4960                         /* format: BE,BK,VI,VO;max SP Length */
4961                         be = atoi(param);
4962                         pos = os_strchr(param, ',');
4963                         if (pos == NULL)
4964                                 return -1;
4965                         pos++;
4966                         bk = atoi(pos);
4967                         pos = os_strchr(pos, ',');
4968                         if (pos == NULL)
4969                                 return -1;
4970                         pos++;
4971                         vi = atoi(pos);
4972                         pos = os_strchr(pos, ',');
4973                         if (pos == NULL)
4974                                 return -1;
4975                         pos++;
4976                         vo = atoi(pos);
4977                         /* ignore max SP Length for now */
4978
4979                         wpa_s->set_sta_uapsd = 1;
4980                         wpa_s->sta_uapsd = 0;
4981                         if (be)
4982                                 wpa_s->sta_uapsd |= BIT(0);
4983                         if (bk)
4984                                 wpa_s->sta_uapsd |= BIT(1);
4985                         if (vi)
4986                                 wpa_s->sta_uapsd |= BIT(2);
4987                         if (vo)
4988                                 wpa_s->sta_uapsd |= BIT(3);
4989                 }
4990                 return 0;
4991         }
4992
4993         if (os_strcmp(cmd, "disallow_freq") == 0)
4994                 return p2p_ctrl_disallow_freq(wpa_s, param);
4995
4996         if (os_strcmp(cmd, "disc_int") == 0) {
4997                 int min_disc_int, max_disc_int, max_disc_tu;
4998                 char *pos;
4999
5000                 pos = param;
5001
5002                 min_disc_int = atoi(pos);
5003                 pos = os_strchr(pos, ' ');
5004                 if (pos == NULL)
5005                         return -1;
5006                 *pos++ = '\0';
5007
5008                 max_disc_int = atoi(pos);
5009                 pos = os_strchr(pos, ' ');
5010                 if (pos == NULL)
5011                         return -1;
5012                 *pos++ = '\0';
5013
5014                 max_disc_tu = atoi(pos);
5015
5016                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
5017                                         max_disc_int, max_disc_tu);
5018         }
5019
5020         if (os_strcmp(cmd, "per_sta_psk") == 0) {
5021                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
5022                 return 0;
5023         }
5024
5025 #ifdef CONFIG_WPS_NFC
5026         if (os_strcmp(cmd, "nfc_tag") == 0)
5027                 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
5028 #endif /* CONFIG_WPS_NFC */
5029
5030         if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
5031                 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
5032                 return 0;
5033         }
5034
5035         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
5036                    cmd);
5037
5038         return -1;
5039 }
5040
5041
5042 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
5043 {
5044         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5045         wpa_s->force_long_sd = 0;
5046         wpas_p2p_stop_find(wpa_s);
5047         if (wpa_s->global->p2p)
5048                 p2p_flush(wpa_s->global->p2p);
5049 }
5050
5051
5052 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
5053 {
5054         char *pos, *pos2;
5055         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
5056
5057         if (cmd[0]) {
5058                 pos = os_strchr(cmd, ' ');
5059                 if (pos == NULL)
5060                         return -1;
5061                 *pos++ = '\0';
5062                 dur1 = atoi(cmd);
5063
5064                 pos2 = os_strchr(pos, ' ');
5065                 if (pos2)
5066                         *pos2++ = '\0';
5067                 int1 = atoi(pos);
5068         } else
5069                 pos2 = NULL;
5070
5071         if (pos2) {
5072                 pos = os_strchr(pos2, ' ');
5073                 if (pos == NULL)
5074                         return -1;
5075                 *pos++ = '\0';
5076                 dur2 = atoi(pos2);
5077                 int2 = atoi(pos);
5078         }
5079
5080         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
5081 }
5082
5083
5084 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
5085 {
5086         char *pos;
5087         unsigned int period = 0, interval = 0;
5088
5089         if (cmd[0]) {
5090                 pos = os_strchr(cmd, ' ');
5091                 if (pos == NULL)
5092                         return -1;
5093                 *pos++ = '\0';
5094                 period = atoi(cmd);
5095                 interval = atoi(pos);
5096         }
5097
5098         return wpas_p2p_ext_listen(wpa_s, period, interval);
5099 }
5100
5101
5102 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
5103 {
5104         const char *pos;
5105         u8 peer[ETH_ALEN];
5106         int iface_addr = 0;
5107
5108         pos = cmd;
5109         if (os_strncmp(pos, "iface=", 6) == 0) {
5110                 iface_addr = 1;
5111                 pos += 6;
5112         }
5113         if (hwaddr_aton(pos, peer))
5114                 return -1;
5115
5116         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
5117         return 0;
5118 }
5119
5120 #endif /* CONFIG_P2P */
5121
5122
5123 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
5124 {
5125         struct wpa_freq_range_list ranges;
5126         int *freqs = NULL;
5127         struct hostapd_hw_modes *mode;
5128         u16 i;
5129
5130         if (wpa_s->hw.modes == NULL)
5131                 return NULL;
5132
5133         os_memset(&ranges, 0, sizeof(ranges));
5134         if (freq_range_list_parse(&ranges, val) < 0)
5135                 return NULL;
5136
5137         for (i = 0; i < wpa_s->hw.num_modes; i++) {
5138                 int j;
5139
5140                 mode = &wpa_s->hw.modes[i];
5141                 for (j = 0; j < mode->num_channels; j++) {
5142                         unsigned int freq;
5143
5144                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
5145                                 continue;
5146
5147                         freq = mode->channels[j].freq;
5148                         if (!freq_range_list_includes(&ranges, freq))
5149                                 continue;
5150
5151                         int_array_add_unique(&freqs, freq);
5152                 }
5153         }
5154
5155         os_free(ranges.range);
5156         return freqs;
5157 }
5158
5159
5160 #ifdef CONFIG_INTERWORKING
5161
5162 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
5163 {
5164         int auto_sel = 0;
5165         int *freqs = NULL;
5166
5167         if (param) {
5168                 char *pos;
5169
5170                 auto_sel = os_strstr(param, "auto") != NULL;
5171
5172                 pos = os_strstr(param, "freq=");
5173                 if (pos) {
5174                         freqs = freq_range_to_channel_list(wpa_s, pos + 5);
5175                         if (freqs == NULL)
5176                                 return -1;
5177                 }
5178
5179         }
5180
5181         return interworking_select(wpa_s, auto_sel, freqs);
5182 }
5183
5184
5185 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
5186 {
5187         u8 bssid[ETH_ALEN];
5188         struct wpa_bss *bss;
5189
5190         if (hwaddr_aton(dst, bssid)) {
5191                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
5192                 return -1;
5193         }
5194
5195         bss = wpa_bss_get_bssid(wpa_s, bssid);
5196         if (bss == NULL) {
5197                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
5198                            MAC2STR(bssid));
5199                 return -1;
5200         }
5201
5202         return interworking_connect(wpa_s, bss);
5203 }
5204
5205
5206 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
5207 {
5208         u8 dst_addr[ETH_ALEN];
5209         int used;
5210         char *pos;
5211 #define MAX_ANQP_INFO_ID 100
5212         u16 id[MAX_ANQP_INFO_ID];
5213         size_t num_id = 0;
5214         u32 subtypes = 0;
5215
5216         used = hwaddr_aton2(dst, dst_addr);
5217         if (used < 0)
5218                 return -1;
5219         pos = dst + used;
5220         while (num_id < MAX_ANQP_INFO_ID) {
5221                 if (os_strncmp(pos, "hs20:", 5) == 0) {
5222 #ifdef CONFIG_HS20
5223                         int num = atoi(pos + 5);
5224                         if (num <= 0 || num > 31)
5225                                 return -1;
5226                         subtypes |= BIT(num);
5227 #else /* CONFIG_HS20 */
5228                         return -1;
5229 #endif /* CONFIG_HS20 */
5230                 } else {
5231                         id[num_id] = atoi(pos);
5232                         if (id[num_id])
5233                                 num_id++;
5234                 }
5235                 pos = os_strchr(pos + 1, ',');
5236                 if (pos == NULL)
5237                         break;
5238                 pos++;
5239         }
5240
5241         if (num_id == 0)
5242                 return -1;
5243
5244         return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes);
5245 }
5246
5247
5248 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
5249 {
5250         u8 dst_addr[ETH_ALEN];
5251         struct wpabuf *advproto, *query = NULL;
5252         int used, ret = -1;
5253         char *pos, *end;
5254         size_t len;
5255
5256         used = hwaddr_aton2(cmd, dst_addr);
5257         if (used < 0)
5258                 return -1;
5259
5260         pos = cmd + used;
5261         while (*pos == ' ')
5262                 pos++;
5263
5264         /* Advertisement Protocol ID */
5265         end = os_strchr(pos, ' ');
5266         if (end)
5267                 len = end - pos;
5268         else
5269                 len = os_strlen(pos);
5270         if (len & 0x01)
5271                 return -1;
5272         len /= 2;
5273         if (len == 0)
5274                 return -1;
5275         advproto = wpabuf_alloc(len);
5276         if (advproto == NULL)
5277                 return -1;
5278         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
5279                 goto fail;
5280
5281         if (end) {
5282                 /* Optional Query Request */
5283                 pos = end + 1;
5284                 while (*pos == ' ')
5285                         pos++;
5286
5287                 len = os_strlen(pos);
5288                 if (len) {
5289                         if (len & 0x01)
5290                                 goto fail;
5291                         len /= 2;
5292                         if (len == 0)
5293                                 goto fail;
5294                         query = wpabuf_alloc(len);
5295                         if (query == NULL)
5296                                 goto fail;
5297                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
5298                                 goto fail;
5299                 }
5300         }
5301
5302         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
5303
5304 fail:
5305         wpabuf_free(advproto);
5306         wpabuf_free(query);
5307
5308         return ret;
5309 }
5310
5311
5312 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
5313                             size_t buflen)
5314 {
5315         u8 addr[ETH_ALEN];
5316         int dialog_token;
5317         int used;
5318         char *pos;
5319         size_t resp_len, start, requested_len;
5320         struct wpabuf *resp;
5321         int ret;
5322
5323         used = hwaddr_aton2(cmd, addr);
5324         if (used < 0)
5325                 return -1;
5326
5327         pos = cmd + used;
5328         while (*pos == ' ')
5329                 pos++;
5330         dialog_token = atoi(pos);
5331
5332         if (wpa_s->last_gas_resp &&
5333             os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
5334             dialog_token == wpa_s->last_gas_dialog_token)
5335                 resp = wpa_s->last_gas_resp;
5336         else if (wpa_s->prev_gas_resp &&
5337                  os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
5338                  dialog_token == wpa_s->prev_gas_dialog_token)
5339                 resp = wpa_s->prev_gas_resp;
5340         else
5341                 return -1;
5342
5343         resp_len = wpabuf_len(resp);
5344         start = 0;
5345         requested_len = resp_len;
5346
5347         pos = os_strchr(pos, ' ');
5348         if (pos) {
5349                 start = atoi(pos);
5350                 if (start > resp_len)
5351                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
5352                 pos = os_strchr(pos, ',');
5353                 if (pos == NULL)
5354                         return -1;
5355                 pos++;
5356                 requested_len = atoi(pos);
5357                 if (start + requested_len > resp_len)
5358                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
5359         }
5360
5361         if (requested_len * 2 + 1 > buflen)
5362                 return os_snprintf(buf, buflen, "FAIL-Too long response");
5363
5364         ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
5365                                requested_len);
5366
5367         if (start + requested_len == resp_len) {
5368                 /*
5369                  * Free memory by dropping the response after it has been
5370                  * fetched.
5371                  */
5372                 if (resp == wpa_s->prev_gas_resp) {
5373                         wpabuf_free(wpa_s->prev_gas_resp);
5374                         wpa_s->prev_gas_resp = NULL;
5375                 } else {
5376                         wpabuf_free(wpa_s->last_gas_resp);
5377                         wpa_s->last_gas_resp = NULL;
5378                 }
5379         }
5380
5381         return ret;
5382 }
5383 #endif /* CONFIG_INTERWORKING */
5384
5385
5386 #ifdef CONFIG_HS20
5387
5388 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
5389 {
5390         u8 dst_addr[ETH_ALEN];
5391         int used;
5392         char *pos;
5393         u32 subtypes = 0;
5394
5395         used = hwaddr_aton2(dst, dst_addr);
5396         if (used < 0)
5397                 return -1;
5398         pos = dst + used;
5399         for (;;) {
5400                 int num = atoi(pos);
5401                 if (num <= 0 || num > 31)
5402                         return -1;
5403                 subtypes |= BIT(num);
5404                 pos = os_strchr(pos + 1, ',');
5405                 if (pos == NULL)
5406                         break;
5407                 pos++;
5408         }
5409
5410         if (subtypes == 0)
5411                 return -1;
5412
5413         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
5414 }
5415
5416
5417 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
5418                                     const u8 *addr, const char *realm)
5419 {
5420         u8 *buf;
5421         size_t rlen, len;
5422         int ret;
5423
5424         rlen = os_strlen(realm);
5425         len = 3 + rlen;
5426         buf = os_malloc(len);
5427         if (buf == NULL)
5428                 return -1;
5429         buf[0] = 1; /* NAI Home Realm Count */
5430         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
5431         buf[2] = rlen;
5432         os_memcpy(buf + 3, realm, rlen);
5433
5434         ret = hs20_anqp_send_req(wpa_s, addr,
5435                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
5436                                  buf, len);
5437
5438         os_free(buf);
5439
5440         return ret;
5441 }
5442
5443
5444 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
5445                                         char *dst)
5446 {
5447         struct wpa_cred *cred = wpa_s->conf->cred;
5448         u8 dst_addr[ETH_ALEN];
5449         int used;
5450         u8 *buf;
5451         size_t len;
5452         int ret;
5453
5454         used = hwaddr_aton2(dst, dst_addr);
5455         if (used < 0)
5456                 return -1;
5457
5458         while (dst[used] == ' ')
5459                 used++;
5460         if (os_strncmp(dst + used, "realm=", 6) == 0)
5461                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
5462                                                 dst + used + 6);
5463
5464         len = os_strlen(dst + used);
5465
5466         if (len == 0 && cred && cred->realm)
5467                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
5468
5469         if (len & 1)
5470                 return -1;
5471         len /= 2;
5472         buf = os_malloc(len);
5473         if (buf == NULL)
5474                 return -1;
5475         if (hexstr2bin(dst + used, buf, len) < 0) {
5476                 os_free(buf);
5477                 return -1;
5478         }
5479
5480         ret = hs20_anqp_send_req(wpa_s, dst_addr,
5481                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
5482                                  buf, len);
5483         os_free(buf);
5484
5485         return ret;
5486 }
5487
5488
5489 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd)
5490 {
5491         u8 dst_addr[ETH_ALEN];
5492         int used;
5493         char *icon;
5494
5495         used = hwaddr_aton2(cmd, dst_addr);
5496         if (used < 0)
5497                 return -1;
5498
5499         while (cmd[used] == ' ')
5500                 used++;
5501         icon = &cmd[used];
5502
5503         wpa_s->fetch_osu_icon_in_progress = 0;
5504         return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
5505                                   (u8 *) icon, os_strlen(icon));
5506 }
5507
5508 #endif /* CONFIG_HS20 */
5509
5510
5511 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
5512         struct wpa_supplicant *wpa_s, char *cmd)
5513 {
5514         wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
5515         return 0;
5516 }
5517
5518
5519 #ifdef CONFIG_AUTOSCAN
5520
5521 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
5522                                               char *cmd)
5523 {
5524         enum wpa_states state = wpa_s->wpa_state;
5525         char *new_params = NULL;
5526
5527         if (os_strlen(cmd) > 0) {
5528                 new_params = os_strdup(cmd);
5529                 if (new_params == NULL)
5530                         return -1;
5531         }
5532
5533         os_free(wpa_s->conf->autoscan);
5534         wpa_s->conf->autoscan = new_params;
5535
5536         if (wpa_s->conf->autoscan == NULL)
5537                 autoscan_deinit(wpa_s);
5538         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
5539                 autoscan_init(wpa_s, 1);
5540         else if (state == WPA_SCANNING)
5541                 wpa_supplicant_reinit_autoscan(wpa_s);
5542
5543         return 0;
5544 }
5545
5546 #endif /* CONFIG_AUTOSCAN */
5547
5548
5549 #ifdef CONFIG_WNM
5550
5551 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
5552 {
5553         int enter;
5554         int intval = 0;
5555         char *pos;
5556         int ret;
5557         struct wpabuf *tfs_req = NULL;
5558
5559         if (os_strncmp(cmd, "enter", 5) == 0)
5560                 enter = 1;
5561         else if (os_strncmp(cmd, "exit", 4) == 0)
5562                 enter = 0;
5563         else
5564                 return -1;
5565
5566         pos = os_strstr(cmd, " interval=");
5567         if (pos)
5568                 intval = atoi(pos + 10);
5569
5570         pos = os_strstr(cmd, " tfs_req=");
5571         if (pos) {
5572                 char *end;
5573                 size_t len;
5574                 pos += 9;
5575                 end = os_strchr(pos, ' ');
5576                 if (end)
5577                         len = end - pos;
5578                 else
5579                         len = os_strlen(pos);
5580                 if (len & 1)
5581                         return -1;
5582                 len /= 2;
5583                 tfs_req = wpabuf_alloc(len);
5584                 if (tfs_req == NULL)
5585                         return -1;
5586                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
5587                         wpabuf_free(tfs_req);
5588                         return -1;
5589                 }
5590         }
5591
5592         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
5593                                            WNM_SLEEP_MODE_EXIT, intval,
5594                                            tfs_req);
5595         wpabuf_free(tfs_req);
5596
5597         return ret;
5598 }
5599
5600
5601 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
5602 {
5603         int query_reason;
5604
5605         query_reason = atoi(cmd);
5606
5607         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
5608                    query_reason);
5609
5610         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
5611 }
5612
5613 #endif /* CONFIG_WNM */
5614
5615
5616 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
5617                                       size_t buflen)
5618 {
5619         struct wpa_signal_info si;
5620         int ret;
5621         char *pos, *end;
5622
5623         ret = wpa_drv_signal_poll(wpa_s, &si);
5624         if (ret)
5625                 return -1;
5626
5627         pos = buf;
5628         end = buf + buflen;
5629
5630         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
5631                           "NOISE=%d\nFREQUENCY=%u\n",
5632                           si.current_signal, si.current_txrate / 1000,
5633                           si.current_noise, si.frequency);
5634         if (ret < 0 || ret > end - pos)
5635                 return -1;
5636         pos += ret;
5637
5638         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
5639                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
5640                                   channel_width_to_string(si.chanwidth));
5641                 if (ret < 0 || ret > end - pos)
5642                         return -1;
5643                 pos += ret;
5644         }
5645
5646         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
5647                 ret = os_snprintf(pos, end - pos,
5648                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
5649                                   si.center_frq1, si.center_frq2);
5650                 if (ret < 0 || ret > end - pos)
5651                         return -1;
5652                 pos += ret;
5653         }
5654
5655         if (si.avg_signal) {
5656                 ret = os_snprintf(pos, end - pos,
5657                                   "AVG_RSSI=%d\n", si.avg_signal);
5658                 if (ret < 0 || ret >= end - pos)
5659                         return -1;
5660                 pos += ret;
5661         }
5662
5663         return pos - buf;
5664 }
5665
5666
5667 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
5668                                       size_t buflen)
5669 {
5670         struct hostap_sta_driver_data sta;
5671         int ret;
5672
5673         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
5674         if (ret)
5675                 return -1;
5676
5677         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
5678                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
5679         if (ret < 0 || (size_t) ret > buflen)
5680                 return -1;
5681         return ret;
5682 }
5683
5684
5685 #ifdef ANDROID
5686 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
5687                                      char *buf, size_t buflen)
5688 {
5689         int ret;
5690
5691         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
5692         if (ret == 0) {
5693                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
5694                         struct p2p_data *p2p = wpa_s->global->p2p;
5695                         if (p2p) {
5696                                 char country[3];
5697                                 country[0] = cmd[8];
5698                                 country[1] = cmd[9];
5699                                 country[2] = 0x04;
5700                                 p2p_set_country(p2p, country);
5701                         }
5702                 }
5703                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
5704         }
5705         return ret;
5706 }
5707 #endif /* ANDROID */
5708
5709
5710 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
5711                                      char *buf, size_t buflen)
5712 {
5713         int ret;
5714         char *pos;
5715         u8 *data = NULL;
5716         unsigned int vendor_id, subcmd;
5717         struct wpabuf *reply;
5718         size_t data_len = 0;
5719
5720         /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
5721         vendor_id = strtoul(cmd, &pos, 16);
5722         if (!isblank(*pos))
5723                 return -EINVAL;
5724
5725         subcmd = strtoul(pos, &pos, 10);
5726
5727         if (*pos != '\0') {
5728                 if (!isblank(*pos++))
5729                         return -EINVAL;
5730                 data_len = os_strlen(pos);
5731         }
5732
5733         if (data_len) {
5734                 data_len /= 2;
5735                 data = os_malloc(data_len);
5736                 if (!data)
5737                         return -1;
5738
5739                 if (hexstr2bin(pos, data, data_len)) {
5740                         wpa_printf(MSG_DEBUG,
5741                                    "Vendor command: wrong parameter format");
5742                         os_free(data);
5743                         return -EINVAL;
5744                 }
5745         }
5746
5747         reply = wpabuf_alloc((buflen - 1) / 2);
5748         if (!reply) {
5749                 os_free(data);
5750                 return -1;
5751         }
5752
5753         ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
5754                                  reply);
5755
5756         if (ret == 0)
5757                 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
5758                                        wpabuf_len(reply));
5759
5760         wpabuf_free(reply);
5761         os_free(data);
5762
5763         return ret;
5764 }
5765
5766
5767 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
5768 {
5769         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
5770
5771 #ifdef CONFIG_P2P
5772         wpas_p2p_cancel(wpa_s);
5773         wpas_p2p_stop_find(wpa_s);
5774         p2p_ctrl_flush(wpa_s);
5775         wpas_p2p_group_remove(wpa_s, "*");
5776         wpas_p2p_service_flush(wpa_s);
5777         wpa_s->global->p2p_disabled = 0;
5778         wpa_s->global->p2p_per_sta_psk = 0;
5779         wpa_s->conf->num_sec_device_types = 0;
5780         wpa_s->p2p_disable_ip_addr_req = 0;
5781         os_free(wpa_s->global->p2p_go_avoid_freq.range);
5782         wpa_s->global->p2p_go_avoid_freq.range = NULL;
5783 #endif /* CONFIG_P2P */
5784
5785 #ifdef CONFIG_WPS_TESTING
5786         wps_version_number = 0x20;
5787         wps_testing_dummy_cred = 0;
5788         wps_corrupt_pkhash = 0;
5789 #endif /* CONFIG_WPS_TESTING */
5790 #ifdef CONFIG_WPS
5791         wpa_s->wps_fragment_size = 0;
5792         wpas_wps_cancel(wpa_s);
5793 #endif /* CONFIG_WPS */
5794         wpa_s->after_wps = 0;
5795         wpa_s->known_wps_freq = 0;
5796
5797 #ifdef CONFIG_TDLS
5798 #ifdef CONFIG_TDLS_TESTING
5799         extern unsigned int tdls_testing;
5800         tdls_testing = 0;
5801 #endif /* CONFIG_TDLS_TESTING */
5802         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
5803         wpa_tdls_enable(wpa_s->wpa, 1);
5804 #endif /* CONFIG_TDLS */
5805
5806         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
5807         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
5808
5809         wpa_s->no_keep_alive = 0;
5810
5811         os_free(wpa_s->disallow_aps_bssid);
5812         wpa_s->disallow_aps_bssid = NULL;
5813         wpa_s->disallow_aps_bssid_count = 0;
5814         os_free(wpa_s->disallow_aps_ssid);
5815         wpa_s->disallow_aps_ssid = NULL;
5816         wpa_s->disallow_aps_ssid_count = 0;
5817
5818         wpa_s->set_sta_uapsd = 0;
5819         wpa_s->sta_uapsd = 0;
5820
5821         wpa_drv_radio_disable(wpa_s, 0);
5822
5823         wpa_bss_flush(wpa_s);
5824         wpa_blacklist_clear(wpa_s);
5825         wpa_s->extra_blacklist_count = 0;
5826         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
5827         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
5828         wpa_config_flush_blobs(wpa_s->conf);
5829         wpa_s->conf->auto_interworking = 0;
5830         wpa_s->conf->okc = 0;
5831
5832         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
5833         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
5834         wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
5835         eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
5836
5837         radio_remove_works(wpa_s, NULL, 1);
5838
5839         wpa_s->next_ssid = NULL;
5840
5841 #ifdef CONFIG_INTERWORKING
5842         hs20_cancel_fetch_osu(wpa_s);
5843 #endif /* CONFIG_INTERWORKING */
5844
5845         wpa_s->ext_mgmt_frame_handling = 0;
5846         wpa_s->ext_eapol_frame_io = 0;
5847 #ifdef CONFIG_TESTING_OPTIONS
5848         wpa_s->extra_roc_dur = 0;
5849 #endif /* CONFIG_TESTING_OPTIONS */
5850 }
5851
5852
5853 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
5854                                      char *buf, size_t buflen)
5855 {
5856         struct wpa_radio_work *work;
5857         char *pos, *end;
5858         struct os_reltime now, diff;
5859
5860         pos = buf;
5861         end = buf + buflen;
5862
5863         os_get_reltime(&now);
5864
5865         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
5866         {
5867                 int ret;
5868
5869                 os_reltime_sub(&now, &work->time, &diff);
5870                 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
5871                                   work->type, work->wpa_s->ifname, work->freq,
5872                                   work->started, diff.sec, diff.usec);
5873                 if (ret < 0 || ret >= end - pos)
5874                         break;
5875                 pos += ret;
5876         }
5877
5878         return pos - buf;
5879 }
5880
5881
5882 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
5883 {
5884         struct wpa_radio_work *work = eloop_ctx;
5885         struct wpa_external_work *ework = work->ctx;
5886
5887         wpa_dbg(work->wpa_s, MSG_DEBUG,
5888                 "Timing out external radio work %u (%s)",
5889                 ework->id, work->type);
5890         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
5891         radio_work_done(work);
5892         os_free(ework);
5893 }
5894
5895
5896 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
5897 {
5898         struct wpa_external_work *ework = work->ctx;
5899
5900         if (deinit) {
5901                 if (work->started)
5902                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
5903                                              work, NULL);
5904
5905                 os_free(ework);
5906                 return;
5907         }
5908
5909         wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
5910                 ework->id, ework->type);
5911         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
5912         if (!ework->timeout)
5913                 ework->timeout = 10;
5914         eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
5915                                work, NULL);
5916 }
5917
5918
5919 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
5920                                     char *buf, size_t buflen)
5921 {
5922         struct wpa_external_work *ework;
5923         char *pos, *pos2;
5924         size_t type_len;
5925         int ret;
5926         unsigned int freq = 0;
5927
5928         /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
5929
5930         ework = os_zalloc(sizeof(*ework));
5931         if (ework == NULL)
5932                 return -1;
5933
5934         pos = os_strchr(cmd, ' ');
5935         if (pos) {
5936                 type_len = pos - cmd;
5937                 pos++;
5938
5939                 pos2 = os_strstr(pos, "freq=");
5940                 if (pos2)
5941                         freq = atoi(pos2 + 5);
5942
5943                 pos2 = os_strstr(pos, "timeout=");
5944                 if (pos2)
5945                         ework->timeout = atoi(pos2 + 8);
5946         } else {
5947                 type_len = os_strlen(cmd);
5948         }
5949         if (4 + type_len >= sizeof(ework->type))
5950                 type_len = sizeof(ework->type) - 4 - 1;
5951         os_strlcpy(ework->type, "ext:", sizeof(ework->type));
5952         os_memcpy(ework->type + 4, cmd, type_len);
5953         ework->type[4 + type_len] = '\0';
5954
5955         wpa_s->ext_work_id++;
5956         if (wpa_s->ext_work_id == 0)
5957                 wpa_s->ext_work_id++;
5958         ework->id = wpa_s->ext_work_id;
5959
5960         if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
5961                            ework) < 0) {
5962                 os_free(ework);
5963                 return -1;
5964         }
5965
5966         ret = os_snprintf(buf, buflen, "%u", ework->id);
5967         if (ret < 0 || (size_t) ret >= buflen)
5968                 return -1;
5969         return ret;
5970 }
5971
5972
5973 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
5974 {
5975         struct wpa_radio_work *work;
5976         unsigned int id = atoi(cmd);
5977
5978         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
5979         {
5980                 struct wpa_external_work *ework;
5981
5982                 if (os_strncmp(work->type, "ext:", 4) != 0)
5983                         continue;
5984                 ework = work->ctx;
5985                 if (id && ework->id != id)
5986                         continue;
5987                 wpa_dbg(wpa_s, MSG_DEBUG,
5988                         "Completed external radio work %u (%s)",
5989                         ework->id, ework->type);
5990                 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
5991                 radio_work_done(work);
5992                 os_free(ework);
5993                 return 3; /* "OK\n" */
5994         }
5995
5996         return -1;
5997 }
5998
5999
6000 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
6001                                 char *buf, size_t buflen)
6002 {
6003         if (os_strcmp(cmd, "show") == 0)
6004                 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
6005         if (os_strncmp(cmd, "add ", 4) == 0)
6006                 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
6007         if (os_strncmp(cmd, "done ", 5) == 0)
6008                 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
6009         return -1;
6010 }
6011
6012
6013 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
6014 {
6015         struct wpa_radio_work *work, *tmp;
6016
6017         if (!wpa_s || !wpa_s->radio)
6018                 return;
6019
6020         dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
6021                               struct wpa_radio_work, list) {
6022                 struct wpa_external_work *ework;
6023
6024                 if (os_strncmp(work->type, "ext:", 4) != 0)
6025                         continue;
6026                 ework = work->ctx;
6027                 wpa_dbg(wpa_s, MSG_DEBUG,
6028                         "Flushing%s external radio work %u (%s)",
6029                         work->started ? " started" : "", ework->id,
6030                         ework->type);
6031                 if (work->started)
6032                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
6033                                              work, NULL);
6034                 radio_work_done(work);
6035                 os_free(ework);
6036         }
6037 }
6038
6039
6040 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
6041 {
6042         struct wpa_supplicant *wpa_s = eloop_ctx;
6043         eapol_sm_notify_ctrl_response(wpa_s->eapol);
6044 }
6045
6046
6047 static int set_scan_freqs(struct wpa_supplicant *wpa_s, char *val)
6048 {
6049         int *freqs = NULL;
6050
6051         freqs = freq_range_to_channel_list(wpa_s, val);
6052         if (freqs == NULL)
6053                 return -1;
6054
6055         os_free(wpa_s->manual_scan_freqs);
6056         wpa_s->manual_scan_freqs = freqs;
6057
6058         return 0;
6059 }
6060
6061
6062 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value)
6063 {
6064         const char *pos = value;
6065
6066         while (pos) {
6067                 if (*pos == ' ' || *pos == '\0')
6068                         break;
6069                 if (wpa_s->scan_id_count == MAX_SCAN_ID)
6070                         return -1;
6071                 wpa_s->scan_id[wpa_s->scan_id_count++] = atoi(pos);
6072                 pos = os_strchr(pos, ',');
6073                 if (pos)
6074                         pos++;
6075         }
6076
6077         return 0;
6078 }
6079
6080
6081 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
6082                            char *reply, int reply_size, int *reply_len)
6083 {
6084         char *pos;
6085
6086         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
6087                 *reply_len = -1;
6088                 return;
6089         }
6090
6091         wpa_s->manual_scan_passive = 0;
6092         wpa_s->manual_scan_use_id = 0;
6093         wpa_s->manual_scan_only_new = 0;
6094         wpa_s->scan_id_count = 0;
6095
6096         if (params) {
6097                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
6098                         wpa_s->scan_res_handler = scan_only_handler;
6099
6100                 pos = os_strstr(params, "freq=");
6101                 if (pos && set_scan_freqs(wpa_s, pos + 5) < 0) {
6102                         *reply_len = -1;
6103                         return;
6104                 }
6105
6106                 pos = os_strstr(params, "passive=");
6107                 if (pos)
6108                         wpa_s->manual_scan_passive = !!atoi(pos + 8);
6109
6110                 pos = os_strstr(params, "use_id=");
6111                 if (pos)
6112                         wpa_s->manual_scan_use_id = atoi(pos + 7);
6113
6114                 pos = os_strstr(params, "only_new=1");
6115                 if (pos)
6116                         wpa_s->manual_scan_only_new = 1;
6117
6118                 pos = os_strstr(params, "scan_id=");
6119                 if (pos && scan_id_list_parse(wpa_s, pos + 8) < 0) {
6120                         *reply_len = -1;
6121                         return;
6122                 }
6123         } else {
6124                 os_free(wpa_s->manual_scan_freqs);
6125                 wpa_s->manual_scan_freqs = NULL;
6126                 if (wpa_s->scan_res_handler == scan_only_handler)
6127                         wpa_s->scan_res_handler = NULL;
6128         }
6129
6130         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
6131             ((wpa_s->wpa_state <= WPA_SCANNING) ||
6132              (wpa_s->wpa_state == WPA_COMPLETED))) {
6133                 wpa_s->normal_scans = 0;
6134                 wpa_s->scan_req = MANUAL_SCAN_REQ;
6135                 wpa_s->after_wps = 0;
6136                 wpa_s->known_wps_freq = 0;
6137                 wpa_supplicant_req_scan(wpa_s, 0, 0);
6138                 if (wpa_s->manual_scan_use_id) {
6139                         wpa_s->manual_scan_id++;
6140                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
6141                                 wpa_s->manual_scan_id);
6142                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
6143                                                  wpa_s->manual_scan_id);
6144                 }
6145         } else if (wpa_s->sched_scanning) {
6146                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
6147                 wpa_supplicant_cancel_sched_scan(wpa_s);
6148                 wpa_s->scan_req = MANUAL_SCAN_REQ;
6149                 wpa_supplicant_req_scan(wpa_s, 0, 0);
6150                 if (wpa_s->manual_scan_use_id) {
6151                         wpa_s->manual_scan_id++;
6152                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
6153                                                  wpa_s->manual_scan_id);
6154                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
6155                                 wpa_s->manual_scan_id);
6156                 }
6157         } else {
6158                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
6159                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
6160         }
6161 }
6162
6163
6164 #ifdef CONFIG_TESTING_OPTIONS
6165
6166 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
6167                                        unsigned int freq, const u8 *dst,
6168                                        const u8 *src, const u8 *bssid,
6169                                        const u8 *data, size_t data_len,
6170                                        enum offchannel_send_action_result
6171                                        result)
6172 {
6173         wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
6174                 " src=" MACSTR " bssid=" MACSTR " result=%s",
6175                 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
6176                 result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
6177                 "SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
6178                              "NO_ACK" : "FAILED"));
6179 }
6180
6181
6182 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
6183 {
6184         char *pos, *param;
6185         size_t len;
6186         u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
6187         int res, used;
6188         int freq = 0, no_cck = 0, wait_time = 0;
6189
6190         /* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
6191          *    <action=Action frame payload> */
6192
6193         wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
6194
6195         pos = cmd;
6196         used = hwaddr_aton2(pos, da);
6197         if (used < 0)
6198                 return -1;
6199         pos += used;
6200         while (*pos == ' ')
6201                 pos++;
6202         used = hwaddr_aton2(pos, bssid);
6203         if (used < 0)
6204                 return -1;
6205         pos += used;
6206
6207         param = os_strstr(pos, " freq=");
6208         if (param) {
6209                 param += 6;
6210                 freq = atoi(param);
6211         }
6212
6213         param = os_strstr(pos, " no_cck=");
6214         if (param) {
6215                 param += 8;
6216                 no_cck = atoi(param);
6217         }
6218
6219         param = os_strstr(pos, " wait_time=");
6220         if (param) {
6221                 param += 11;
6222                 wait_time = atoi(param);
6223         }
6224
6225         param = os_strstr(pos, " action=");
6226         if (param == NULL)
6227                 return -1;
6228         param += 8;
6229
6230         len = os_strlen(param);
6231         if (len & 1)
6232                 return -1;
6233         len /= 2;
6234
6235         buf = os_malloc(len);
6236         if (buf == NULL)
6237                 return -1;
6238
6239         if (hexstr2bin(param, buf, len) < 0) {
6240                 os_free(buf);
6241                 return -1;
6242         }
6243
6244         res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
6245                                      buf, len, wait_time,
6246                                      wpas_ctrl_iface_mgmt_tx_cb, no_cck);
6247         os_free(buf);
6248         return res;
6249 }
6250
6251
6252 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
6253 {
6254         wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
6255         offchannel_send_action_done(wpa_s);
6256 }
6257
6258
6259 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
6260 {
6261         char *pos, *param;
6262         union wpa_event_data event;
6263         enum wpa_event_type ev;
6264
6265         /* <event name> [parameters..] */
6266
6267         wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
6268
6269         pos = cmd;
6270         param = os_strchr(pos, ' ');
6271         if (param)
6272                 *param++ = '\0';
6273
6274         os_memset(&event, 0, sizeof(event));
6275
6276         if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
6277                 ev = EVENT_INTERFACE_ENABLED;
6278         } else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
6279                 ev = EVENT_INTERFACE_DISABLED;
6280         } else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
6281                 ev = EVENT_AVOID_FREQUENCIES;
6282                 if (param == NULL)
6283                         param = "";
6284                 if (freq_range_list_parse(&event.freq_range, param) < 0)
6285                         return -1;
6286                 wpa_supplicant_event(wpa_s, ev, &event);
6287                 os_free(event.freq_range.range);
6288                 return 0;
6289         } else {
6290                 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
6291                         cmd);
6292                 return -1;
6293         }
6294
6295         wpa_supplicant_event(wpa_s, ev, &event);
6296
6297         return 0;
6298 }
6299
6300
6301 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
6302 {
6303         char *pos;
6304         u8 src[ETH_ALEN], *buf;
6305         int used;
6306         size_t len;
6307
6308         wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
6309
6310         pos = cmd;
6311         used = hwaddr_aton2(pos, src);
6312         if (used < 0)
6313                 return -1;
6314         pos += used;
6315         while (*pos == ' ')
6316                 pos++;
6317
6318         len = os_strlen(pos);
6319         if (len & 1)
6320                 return -1;
6321         len /= 2;
6322
6323         buf = os_malloc(len);
6324         if (buf == NULL)
6325                 return -1;
6326
6327         if (hexstr2bin(pos, buf, len) < 0) {
6328                 os_free(buf);
6329                 return -1;
6330         }
6331
6332         wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
6333         os_free(buf);
6334
6335         return 0;
6336 }
6337
6338
6339 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
6340 {
6341         size_t i;
6342         u32 sum = 0;
6343         const u16 *pos = buf;
6344
6345         for (i = 0; i < len / 2; i++)
6346                 sum += *pos++;
6347
6348         while (sum >> 16)
6349                 sum = (sum & 0xffff) + (sum >> 16);
6350
6351         return sum ^ 0xffff;
6352 }
6353
6354
6355 #define HWSIM_PACKETLEN 1500
6356 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
6357
6358 void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
6359 {
6360         struct wpa_supplicant *wpa_s = ctx;
6361         const struct ether_header *eth;
6362         const struct iphdr *ip;
6363         const u8 *pos;
6364         unsigned int i;
6365
6366         if (len != HWSIM_PACKETLEN)
6367                 return;
6368
6369         eth = (const struct ether_header *) buf;
6370         ip = (const struct iphdr *) (eth + 1);
6371         pos = (const u8 *) (ip + 1);
6372
6373         if (ip->ihl != 5 || ip->version != 4 ||
6374             ntohs(ip->tot_len) != HWSIM_IP_LEN)
6375                 return;
6376
6377         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++) {
6378                 if (*pos != (u8) i)
6379                         return;
6380                 pos++;
6381         }
6382
6383         wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
6384                 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
6385 }
6386
6387
6388 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
6389                                             char *cmd)
6390 {
6391         int enabled = atoi(cmd);
6392
6393         if (!enabled) {
6394                 if (wpa_s->l2_test) {
6395                         l2_packet_deinit(wpa_s->l2_test);
6396                         wpa_s->l2_test = NULL;
6397                         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
6398                 }
6399                 return 0;
6400         }
6401
6402         if (wpa_s->l2_test)
6403                 return 0;
6404
6405         wpa_s->l2_test = l2_packet_init(wpa_s->ifname, wpa_s->own_addr,
6406                                         ETHERTYPE_IP, wpas_data_test_rx,
6407                                         wpa_s, 1);
6408         if (wpa_s->l2_test == NULL)
6409                 return -1;
6410
6411         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
6412
6413         return 0;
6414 }
6415
6416
6417 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
6418 {
6419         u8 dst[ETH_ALEN], src[ETH_ALEN];
6420         char *pos;
6421         int used;
6422         long int val;
6423         u8 tos;
6424         u8 buf[HWSIM_PACKETLEN];
6425         struct ether_header *eth;
6426         struct iphdr *ip;
6427         u8 *dpos;
6428         unsigned int i;
6429
6430         if (wpa_s->l2_test == NULL)
6431                 return -1;
6432
6433         /* format: <dst> <src> <tos> */
6434
6435         pos = cmd;
6436         used = hwaddr_aton2(pos, dst);
6437         if (used < 0)
6438                 return -1;
6439         pos += used;
6440         while (*pos == ' ')
6441                 pos++;
6442         used = hwaddr_aton2(pos, src);
6443         if (used < 0)
6444                 return -1;
6445         pos += used;
6446
6447         val = strtol(pos, NULL, 0);
6448         if (val < 0 || val > 0xff)
6449                 return -1;
6450         tos = val;
6451
6452         eth = (struct ether_header *) buf;
6453         os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
6454         os_memcpy(eth->ether_shost, src, ETH_ALEN);
6455         eth->ether_type = htons(ETHERTYPE_IP);
6456         ip = (struct iphdr *) (eth + 1);
6457         os_memset(ip, 0, sizeof(*ip));
6458         ip->ihl = 5;
6459         ip->version = 4;
6460         ip->ttl = 64;
6461         ip->tos = tos;
6462         ip->tot_len = htons(HWSIM_IP_LEN);
6463         ip->protocol = 1;
6464         ip->saddr = htonl(192 << 24 | 168 << 16 | 1 << 8 | 1);
6465         ip->daddr = htonl(192 << 24 | 168 << 16 | 1 << 8 | 2);
6466         ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
6467         dpos = (u8 *) (ip + 1);
6468         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
6469                 *dpos++ = i;
6470
6471         if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, buf,
6472                            HWSIM_PACKETLEN) < 0)
6473                 return -1;
6474
6475         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
6476                 " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
6477
6478         return 0;
6479 }
6480
6481 #endif /* CONFIG_TESTING_OPTIONS */
6482
6483
6484 static void wpas_ctrl_vendor_elem_update(struct wpa_supplicant *wpa_s)
6485 {
6486         unsigned int i;
6487         char buf[30];
6488
6489         wpa_printf(MSG_DEBUG, "Update vendor elements");
6490
6491         for (i = 0; i < NUM_VENDOR_ELEM_FRAMES; i++) {
6492                 if (wpa_s->vendor_elem[i]) {
6493                         os_snprintf(buf, sizeof(buf), "frame[%u]", i);
6494                         wpa_hexdump_buf(MSG_DEBUG, buf, wpa_s->vendor_elem[i]);
6495                 }
6496         }
6497
6498 #ifdef CONFIG_P2P
6499         if (wpa_s->parent == wpa_s &&
6500             wpa_s->global->p2p &&
6501             !wpa_s->global->p2p_disabled)
6502                 p2p_set_vendor_elems(wpa_s->global->p2p, wpa_s->vendor_elem);
6503 #endif /* CONFIG_P2P */
6504 }
6505
6506
6507 static struct wpa_supplicant *
6508 wpas_ctrl_vendor_elem_iface(struct wpa_supplicant *wpa_s,
6509                             enum wpa_vendor_elem_frame frame)
6510 {
6511         switch (frame) {
6512 #ifdef CONFIG_P2P
6513         case VENDOR_ELEM_PROBE_REQ_P2P:
6514         case VENDOR_ELEM_PROBE_RESP_P2P:
6515         case VENDOR_ELEM_PROBE_RESP_P2P_GO:
6516         case VENDOR_ELEM_BEACON_P2P_GO:
6517         case VENDOR_ELEM_P2P_PD_REQ:
6518         case VENDOR_ELEM_P2P_PD_RESP:
6519         case VENDOR_ELEM_P2P_GO_NEG_REQ:
6520         case VENDOR_ELEM_P2P_GO_NEG_RESP:
6521         case VENDOR_ELEM_P2P_GO_NEG_CONF:
6522         case VENDOR_ELEM_P2P_INV_REQ:
6523         case VENDOR_ELEM_P2P_INV_RESP:
6524         case VENDOR_ELEM_P2P_ASSOC_REQ:
6525                 return wpa_s->parent;
6526 #endif /* CONFIG_P2P */
6527         default:
6528                 return wpa_s;
6529         }
6530 }
6531
6532
6533 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
6534 {
6535         char *pos = cmd;
6536         int frame;
6537         size_t len;
6538         struct wpabuf *buf;
6539         struct ieee802_11_elems elems;
6540
6541         frame = atoi(pos);
6542         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
6543                 return -1;
6544         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
6545
6546         pos = os_strchr(pos, ' ');
6547         if (pos == NULL)
6548                 return -1;
6549         pos++;
6550
6551         len = os_strlen(pos);
6552         if (len == 0)
6553                 return 0;
6554         if (len & 1)
6555                 return -1;
6556         len /= 2;
6557
6558         buf = wpabuf_alloc(len);
6559         if (buf == NULL)
6560                 return -1;
6561
6562         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
6563                 wpabuf_free(buf);
6564                 return -1;
6565         }
6566
6567         if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
6568             ParseFailed) {
6569                 wpabuf_free(buf);
6570                 return -1;
6571         }
6572
6573         if (wpa_s->vendor_elem[frame] == NULL) {
6574                 wpa_s->vendor_elem[frame] = buf;
6575                 wpas_ctrl_vendor_elem_update(wpa_s);
6576                 return 0;
6577         }
6578
6579         if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
6580                 wpabuf_free(buf);
6581                 return -1;
6582         }
6583
6584         wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
6585         wpabuf_free(buf);
6586         wpas_ctrl_vendor_elem_update(wpa_s);
6587
6588         return 0;
6589 }
6590
6591
6592 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
6593                                      char *buf, size_t buflen)
6594 {
6595         int frame = atoi(cmd);
6596
6597         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
6598                 return -1;
6599         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
6600
6601         if (wpa_s->vendor_elem[frame] == NULL)
6602                 return 0;
6603
6604         return wpa_snprintf_hex(buf, buflen,
6605                                 wpabuf_head_u8(wpa_s->vendor_elem[frame]),
6606                                 wpabuf_len(wpa_s->vendor_elem[frame]));
6607 }
6608
6609
6610 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
6611 {
6612         char *pos = cmd;
6613         int frame;
6614         size_t len;
6615         u8 *buf;
6616         struct ieee802_11_elems elems;
6617         u8 *ie, *end;
6618
6619         frame = atoi(pos);
6620         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
6621                 return -1;
6622         wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
6623
6624         pos = os_strchr(pos, ' ');
6625         if (pos == NULL)
6626                 return -1;
6627         pos++;
6628
6629         if (*pos == '*') {
6630                 wpabuf_free(wpa_s->vendor_elem[frame]);
6631                 wpa_s->vendor_elem[frame] = NULL;
6632                 wpas_ctrl_vendor_elem_update(wpa_s);
6633                 return 0;
6634         }
6635
6636         if (wpa_s->vendor_elem[frame] == NULL)
6637                 return -1;
6638
6639         len = os_strlen(pos);
6640         if (len == 0)
6641                 return 0;
6642         if (len & 1)
6643                 return -1;
6644         len /= 2;
6645
6646         buf = os_malloc(len);
6647         if (buf == NULL)
6648                 return -1;
6649
6650         if (hexstr2bin(pos, buf, len) < 0) {
6651                 os_free(buf);
6652                 return -1;
6653         }
6654
6655         if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
6656                 os_free(buf);
6657                 return -1;
6658         }
6659
6660         ie = wpabuf_mhead_u8(wpa_s->vendor_elem[frame]);
6661         end = ie + wpabuf_len(wpa_s->vendor_elem[frame]);
6662
6663         for (; ie + 1 < end; ie += 2 + ie[1]) {
6664                 if (ie + len > end)
6665                         break;
6666                 if (os_memcmp(ie, buf, len) != 0)
6667                         continue;
6668
6669                 if (wpabuf_len(wpa_s->vendor_elem[frame]) == len) {
6670                         wpabuf_free(wpa_s->vendor_elem[frame]);
6671                         wpa_s->vendor_elem[frame] = NULL;
6672                 } else {
6673                         os_memmove(ie, ie + len,
6674                                    end - (ie + len));
6675                         wpa_s->vendor_elem[frame]->used -= len;
6676                 }
6677                 os_free(buf);
6678                 wpas_ctrl_vendor_elem_update(wpa_s);
6679                 return 0;
6680         }
6681
6682         os_free(buf);
6683
6684         return -1;
6685 }
6686
6687
6688 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
6689                                          char *buf, size_t *resp_len)
6690 {
6691         char *reply;
6692         const int reply_size = 4096;
6693         int reply_len;
6694
6695         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
6696             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
6697                 if (wpa_debug_show_keys)
6698                         wpa_dbg(wpa_s, MSG_DEBUG,
6699                                 "Control interface command '%s'", buf);
6700                 else
6701                         wpa_dbg(wpa_s, MSG_DEBUG,
6702                                 "Control interface command '%s [REMOVED]'",
6703                                 os_strncmp(buf, WPA_CTRL_RSP,
6704                                            os_strlen(WPA_CTRL_RSP)) == 0 ?
6705                                 WPA_CTRL_RSP : "SET_NETWORK");
6706         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
6707                    os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
6708                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
6709                                       (const u8 *) buf, os_strlen(buf));
6710         } else {
6711                 int level = MSG_DEBUG;
6712                 if (os_strcmp(buf, "PING") == 0)
6713                         level = MSG_EXCESSIVE;
6714                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
6715         }
6716
6717         reply = os_malloc(reply_size);
6718         if (reply == NULL) {
6719                 *resp_len = 1;
6720                 return NULL;
6721         }
6722
6723         os_memcpy(reply, "OK\n", 3);
6724         reply_len = 3;
6725
6726         if (os_strcmp(buf, "PING") == 0) {
6727                 os_memcpy(reply, "PONG\n", 5);
6728                 reply_len = 5;
6729         } else if (os_strcmp(buf, "IFNAME") == 0) {
6730                 reply_len = os_strlen(wpa_s->ifname);
6731                 os_memcpy(reply, wpa_s->ifname, reply_len);
6732         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
6733                 if (wpa_debug_reopen_file() < 0)
6734                         reply_len = -1;
6735         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
6736                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
6737         } else if (os_strcmp(buf, "MIB") == 0) {
6738                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
6739                 if (reply_len >= 0) {
6740                         int res;
6741                         res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
6742                                                reply_size - reply_len);
6743                         if (res < 0)
6744                                 reply_len = -1;
6745                         else
6746                                 reply_len += res;
6747                 }
6748         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
6749                 reply_len = wpa_supplicant_ctrl_iface_status(
6750                         wpa_s, buf + 6, reply, reply_size);
6751         } else if (os_strcmp(buf, "PMKSA") == 0) {
6752                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
6753                                                     reply_size);
6754         } else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
6755                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
6756         } else if (os_strncmp(buf, "SET ", 4) == 0) {
6757                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
6758                         reply_len = -1;
6759         } else if (os_strncmp(buf, "GET ", 4) == 0) {
6760                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
6761                                                           reply, reply_size);
6762         } else if (os_strcmp(buf, "LOGON") == 0) {
6763                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
6764         } else if (os_strcmp(buf, "LOGOFF") == 0) {
6765                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
6766         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
6767                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
6768                         reply_len = -1;
6769                 else
6770                         wpas_request_connection(wpa_s);
6771         } else if (os_strcmp(buf, "REATTACH") == 0) {
6772                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
6773                     !wpa_s->current_ssid)
6774                         reply_len = -1;
6775                 else {
6776                         wpa_s->reattach = 1;
6777                         wpas_request_connection(wpa_s);
6778                 }
6779         } else if (os_strcmp(buf, "RECONNECT") == 0) {
6780                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
6781                         reply_len = -1;
6782                 else if (wpa_s->disconnected)
6783                         wpas_request_connection(wpa_s);
6784 #ifdef IEEE8021X_EAPOL
6785         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
6786                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
6787                         reply_len = -1;
6788 #endif /* IEEE8021X_EAPOL */
6789 #ifdef CONFIG_PEERKEY
6790         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
6791                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
6792                         reply_len = -1;
6793 #endif /* CONFIG_PEERKEY */
6794 #ifdef CONFIG_IEEE80211R
6795         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
6796                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
6797                         reply_len = -1;
6798 #endif /* CONFIG_IEEE80211R */
6799 #ifdef CONFIG_WPS
6800         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
6801                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
6802                 if (res == -2) {
6803                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
6804                         reply_len = 17;
6805                 } else if (res)
6806                         reply_len = -1;
6807         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
6808                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
6809                 if (res == -2) {
6810                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
6811                         reply_len = 17;
6812                 } else if (res)
6813                         reply_len = -1;
6814         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
6815                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
6816                                                               reply,
6817                                                               reply_size);
6818         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
6819                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
6820                         wpa_s, buf + 14, reply, reply_size);
6821         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
6822                 if (wpas_wps_cancel(wpa_s))
6823                         reply_len = -1;
6824 #ifdef CONFIG_WPS_NFC
6825         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
6826                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
6827                         reply_len = -1;
6828         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
6829                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
6830                         reply_len = -1;
6831         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
6832                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
6833                         wpa_s, buf + 21, reply, reply_size);
6834         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
6835                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
6836                         wpa_s, buf + 14, reply, reply_size);
6837         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
6838                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
6839                                                                buf + 17))
6840                         reply_len = -1;
6841         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
6842                 reply_len = wpas_ctrl_nfc_get_handover_req(
6843                         wpa_s, buf + 21, reply, reply_size);
6844         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
6845                 reply_len = wpas_ctrl_nfc_get_handover_sel(
6846                         wpa_s, buf + 21, reply, reply_size);
6847         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
6848                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
6849                         reply_len = -1;
6850 #endif /* CONFIG_WPS_NFC */
6851         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
6852                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
6853                         reply_len = -1;
6854 #ifdef CONFIG_AP
6855         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
6856                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
6857                         wpa_s, buf + 11, reply, reply_size);
6858 #endif /* CONFIG_AP */
6859 #ifdef CONFIG_WPS_ER
6860         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
6861                 if (wpas_wps_er_start(wpa_s, NULL))
6862                         reply_len = -1;
6863         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
6864                 if (wpas_wps_er_start(wpa_s, buf + 13))
6865                         reply_len = -1;
6866         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
6867                 if (wpas_wps_er_stop(wpa_s))
6868                         reply_len = -1;
6869         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
6870                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
6871                         reply_len = -1;
6872         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
6873                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
6874                 if (ret == -2) {
6875                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
6876                         reply_len = 17;
6877                 } else if (ret == -3) {
6878                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
6879                         reply_len = 18;
6880                 } else if (ret == -4) {
6881                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
6882                         reply_len = 20;
6883                 } else if (ret)
6884                         reply_len = -1;
6885         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
6886                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
6887                         reply_len = -1;
6888         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
6889                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
6890                                                                 buf + 18))
6891                         reply_len = -1;
6892         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
6893                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
6894                         reply_len = -1;
6895 #ifdef CONFIG_WPS_NFC
6896         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
6897                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
6898                         wpa_s, buf + 24, reply, reply_size);
6899 #endif /* CONFIG_WPS_NFC */
6900 #endif /* CONFIG_WPS_ER */
6901 #endif /* CONFIG_WPS */
6902 #ifdef CONFIG_IBSS_RSN
6903         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
6904                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
6905                         reply_len = -1;
6906 #endif /* CONFIG_IBSS_RSN */
6907 #ifdef CONFIG_P2P
6908         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
6909                 if (p2p_ctrl_find(wpa_s, buf + 9))
6910                         reply_len = -1;
6911         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
6912                 if (p2p_ctrl_find(wpa_s, ""))
6913                         reply_len = -1;
6914         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
6915                 wpas_p2p_stop_find(wpa_s);
6916         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
6917                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
6918                                              reply_size);
6919         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
6920                 if (p2p_ctrl_listen(wpa_s, buf + 11))
6921                         reply_len = -1;
6922         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
6923                 if (p2p_ctrl_listen(wpa_s, ""))
6924                         reply_len = -1;
6925         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
6926                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
6927                         reply_len = -1;
6928         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
6929                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0, 0))
6930                         reply_len = -1;
6931         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
6932                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
6933                         reply_len = -1;
6934         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
6935                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
6936                         reply_len = -1;
6937         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
6938                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
6939         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
6940                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
6941                                                    reply_size);
6942         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
6943                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
6944                         reply_len = -1;
6945         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
6946                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
6947                         reply_len = -1;
6948         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
6949                 wpas_p2p_sd_service_update(wpa_s);
6950         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
6951                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
6952                         reply_len = -1;
6953         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
6954                 wpas_p2p_service_flush(wpa_s);
6955         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
6956                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
6957                         reply_len = -1;
6958         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
6959                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
6960                         reply_len = -1;
6961         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
6962                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
6963                         reply_len = -1;
6964         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
6965                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
6966                         reply_len = -1;
6967         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
6968                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
6969                                               reply_size);
6970         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
6971                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
6972                         reply_len = -1;
6973         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
6974                 p2p_ctrl_flush(wpa_s);
6975         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
6976                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
6977                         reply_len = -1;
6978         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
6979                 if (wpas_p2p_cancel(wpa_s))
6980                         reply_len = -1;
6981         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
6982                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
6983                         reply_len = -1;
6984         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
6985                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
6986                         reply_len = -1;
6987         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
6988                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
6989                         reply_len = -1;
6990         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
6991                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
6992                         reply_len = -1;
6993         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
6994                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
6995                         reply_len = -1;
6996 #endif /* CONFIG_P2P */
6997 #ifdef CONFIG_WIFI_DISPLAY
6998         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
6999                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
7000                         reply_len = -1;
7001         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
7002                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
7003                                                      reply, reply_size);
7004 #endif /* CONFIG_WIFI_DISPLAY */
7005 #ifdef CONFIG_INTERWORKING
7006         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
7007                 if (interworking_fetch_anqp(wpa_s) < 0)
7008                         reply_len = -1;
7009         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
7010                 interworking_stop_fetch_anqp(wpa_s);
7011         } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
7012                 if (ctrl_interworking_select(wpa_s, NULL) < 0)
7013                         reply_len = -1;
7014         } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
7015                 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
7016                         reply_len = -1;
7017         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
7018                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
7019                         reply_len = -1;
7020         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
7021                 if (get_anqp(wpa_s, buf + 9) < 0)
7022                         reply_len = -1;
7023         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
7024                 if (gas_request(wpa_s, buf + 12) < 0)
7025                         reply_len = -1;
7026         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
7027                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
7028                                              reply_size);
7029 #endif /* CONFIG_INTERWORKING */
7030 #ifdef CONFIG_HS20
7031         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
7032                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
7033                         reply_len = -1;
7034         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
7035                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
7036                         reply_len = -1;
7037         } else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
7038                 if (hs20_icon_request(wpa_s, buf + 18) < 0)
7039                         reply_len = -1;
7040         } else if (os_strcmp(buf, "FETCH_OSU") == 0) {
7041                 if (hs20_fetch_osu(wpa_s) < 0)
7042                         reply_len = -1;
7043         } else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
7044                 hs20_cancel_fetch_osu(wpa_s);
7045 #endif /* CONFIG_HS20 */
7046         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
7047         {
7048                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
7049                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
7050                         reply_len = -1;
7051                 else {
7052                         /*
7053                          * Notify response from timeout to allow the control
7054                          * interface response to be sent first.
7055                          */
7056                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
7057                                                wpa_s, NULL);
7058                 }
7059         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
7060                 if (wpa_supplicant_reload_configuration(wpa_s))
7061                         reply_len = -1;
7062         } else if (os_strcmp(buf, "TERMINATE") == 0) {
7063                 wpa_supplicant_terminate_proc(wpa_s->global);
7064         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
7065                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
7066                         reply_len = -1;
7067         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
7068                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
7069                         wpa_s, buf + 9, reply, reply_size);
7070         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
7071                 reply_len = wpa_supplicant_ctrl_iface_log_level(
7072                         wpa_s, buf + 9, reply, reply_size);
7073         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
7074                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
7075                         wpa_s, reply, reply_size);
7076         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
7077 #ifdef CONFIG_SME
7078                 wpa_s->sme.prev_bssid_set = 0;
7079 #endif /* CONFIG_SME */
7080                 wpa_s->reassociate = 0;
7081                 wpa_s->disconnected = 1;
7082                 wpa_supplicant_cancel_sched_scan(wpa_s);
7083                 wpa_supplicant_cancel_scan(wpa_s);
7084                 wpa_supplicant_deauthenticate(wpa_s,
7085                                               WLAN_REASON_DEAUTH_LEAVING);
7086         } else if (os_strcmp(buf, "SCAN") == 0) {
7087                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
7088         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
7089                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
7090         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
7091                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
7092                         wpa_s, reply, reply_size);
7093         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
7094                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
7095                         reply_len = -1;
7096         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
7097                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
7098                         reply_len = -1;
7099         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
7100                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
7101                         reply_len = -1;
7102         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
7103                 reply_len = wpa_supplicant_ctrl_iface_add_network(
7104                         wpa_s, reply, reply_size);
7105         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
7106                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
7107                         reply_len = -1;
7108         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
7109                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
7110                         reply_len = -1;
7111         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
7112                 reply_len = wpa_supplicant_ctrl_iface_get_network(
7113                         wpa_s, buf + 12, reply, reply_size);
7114         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
7115                 if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12))
7116                         reply_len = -1;
7117         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
7118                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
7119                         wpa_s, reply, reply_size);
7120         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
7121                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
7122                         wpa_s, reply, reply_size);
7123         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
7124                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
7125                         reply_len = -1;
7126         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
7127                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
7128                         reply_len = -1;
7129         } else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
7130                 reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
7131                                                                reply,
7132                                                                reply_size);
7133 #ifndef CONFIG_NO_CONFIG_WRITE
7134         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
7135                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
7136                         reply_len = -1;
7137 #endif /* CONFIG_NO_CONFIG_WRITE */
7138         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
7139                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
7140                         wpa_s, buf + 15, reply, reply_size);
7141         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
7142                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
7143                         reply_len = -1;
7144         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
7145                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
7146                         reply_len = -1;
7147         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
7148                 reply_len = wpa_supplicant_global_iface_list(
7149                         wpa_s->global, reply, reply_size);
7150         } else if (os_strcmp(buf, "INTERFACES") == 0) {
7151                 reply_len = wpa_supplicant_global_iface_interfaces(
7152                         wpa_s->global, reply, reply_size);
7153         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
7154                 reply_len = wpa_supplicant_ctrl_iface_bss(
7155                         wpa_s, buf + 4, reply, reply_size);
7156 #ifdef CONFIG_AP
7157         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
7158                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
7159         } else if (os_strncmp(buf, "STA ", 4) == 0) {
7160                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
7161                                               reply_size);
7162         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
7163                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
7164                                                    reply_size);
7165         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
7166                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
7167                         reply_len = -1;
7168         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
7169                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
7170                         reply_len = -1;
7171         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
7172                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
7173                         reply_len = -1;
7174 #endif /* CONFIG_AP */
7175         } else if (os_strcmp(buf, "SUSPEND") == 0) {
7176                 wpas_notify_suspend(wpa_s->global);
7177         } else if (os_strcmp(buf, "RESUME") == 0) {
7178                 wpas_notify_resume(wpa_s->global);
7179 #ifdef CONFIG_TESTING_OPTIONS
7180         } else if (os_strcmp(buf, "DROP_SA") == 0) {
7181                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
7182 #endif /* CONFIG_TESTING_OPTIONS */
7183         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
7184                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
7185                         reply_len = -1;
7186         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
7187                 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
7188                         reply_len = -1;
7189         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
7190                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
7191                         reply_len = -1;
7192         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
7193                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
7194                                                                buf + 17))
7195                         reply_len = -1;
7196         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
7197                 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
7198                         reply_len = -1;
7199 #ifdef CONFIG_TDLS
7200         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
7201                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
7202                         reply_len = -1;
7203         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
7204                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
7205                         reply_len = -1;
7206         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
7207                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
7208                         reply_len = -1;
7209 #endif /* CONFIG_TDLS */
7210         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
7211                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
7212                                                        reply_size);
7213         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
7214                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
7215                                                        reply_size);
7216 #ifdef CONFIG_AUTOSCAN
7217         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
7218                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
7219                         reply_len = -1;
7220 #endif /* CONFIG_AUTOSCAN */
7221 #ifdef ANDROID
7222         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
7223                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
7224                                                       reply_size);
7225 #endif /* ANDROID */
7226         } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
7227                 reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
7228                                                       reply_size);
7229         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
7230                 pmksa_cache_clear_current(wpa_s->wpa);
7231                 eapol_sm_request_reauth(wpa_s->eapol);
7232 #ifdef CONFIG_WNM
7233         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
7234                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
7235                         reply_len = -1;
7236         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 10) == 0) {
7237                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 10))
7238                                 reply_len = -1;
7239 #endif /* CONFIG_WNM */
7240         } else if (os_strcmp(buf, "FLUSH") == 0) {
7241                 wpa_supplicant_ctrl_iface_flush(wpa_s);
7242         } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
7243                 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
7244                                                  reply_size);
7245 #ifdef CONFIG_TESTING_OPTIONS
7246         } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
7247                 if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
7248                         reply_len = -1;
7249         } else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
7250                 wpas_ctrl_iface_mgmt_tx_done(wpa_s);
7251         } else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
7252                 if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
7253                         reply_len = -1;
7254         } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
7255                 if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
7256                         reply_len = -1;
7257         } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
7258                 if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
7259                         reply_len = -1;
7260         } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
7261                 if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
7262                         reply_len = -1;
7263 #endif /* CONFIG_TESTING_OPTIONS */
7264         } else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
7265                 if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
7266                         reply_len = -1;
7267         } else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
7268                 reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
7269                                                       reply_size);
7270         } else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
7271                 if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
7272                         reply_len = -1;
7273         } else {
7274                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
7275                 reply_len = 16;
7276         }
7277
7278         if (reply_len < 0) {
7279                 os_memcpy(reply, "FAIL\n", 5);
7280                 reply_len = 5;
7281         }
7282
7283         *resp_len = reply_len;
7284         return reply;
7285 }
7286
7287
7288 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
7289                                            char *cmd)
7290 {
7291         struct wpa_interface iface;
7292         char *pos;
7293
7294         /*
7295          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
7296          * TAB<bridge_ifname>
7297          */
7298         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
7299
7300         os_memset(&iface, 0, sizeof(iface));
7301
7302         do {
7303                 iface.ifname = pos = cmd;
7304                 pos = os_strchr(pos, '\t');
7305                 if (pos)
7306                         *pos++ = '\0';
7307                 if (iface.ifname[0] == '\0')
7308                         return -1;
7309                 if (pos == NULL)
7310                         break;
7311
7312                 iface.confname = pos;
7313                 pos = os_strchr(pos, '\t');
7314                 if (pos)
7315                         *pos++ = '\0';
7316                 if (iface.confname[0] == '\0')
7317                         iface.confname = NULL;
7318                 if (pos == NULL)
7319                         break;
7320
7321                 iface.driver = pos;
7322                 pos = os_strchr(pos, '\t');
7323                 if (pos)
7324                         *pos++ = '\0';
7325                 if (iface.driver[0] == '\0')
7326                         iface.driver = NULL;
7327                 if (pos == NULL)
7328                         break;
7329
7330                 iface.ctrl_interface = pos;
7331                 pos = os_strchr(pos, '\t');
7332                 if (pos)
7333                         *pos++ = '\0';
7334                 if (iface.ctrl_interface[0] == '\0')
7335                         iface.ctrl_interface = NULL;
7336                 if (pos == NULL)
7337                         break;
7338
7339                 iface.driver_param = pos;
7340                 pos = os_strchr(pos, '\t');
7341                 if (pos)
7342                         *pos++ = '\0';
7343                 if (iface.driver_param[0] == '\0')
7344                         iface.driver_param = NULL;
7345                 if (pos == NULL)
7346                         break;
7347
7348                 iface.bridge_ifname = pos;
7349                 pos = os_strchr(pos, '\t');
7350                 if (pos)
7351                         *pos++ = '\0';
7352                 if (iface.bridge_ifname[0] == '\0')
7353                         iface.bridge_ifname = NULL;
7354                 if (pos == NULL)
7355                         break;
7356         } while (0);
7357
7358         if (wpa_supplicant_get_iface(global, iface.ifname))
7359                 return -1;
7360
7361         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
7362 }
7363
7364
7365 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
7366                                               char *cmd)
7367 {
7368         struct wpa_supplicant *wpa_s;
7369
7370         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
7371
7372         wpa_s = wpa_supplicant_get_iface(global, cmd);
7373         if (wpa_s == NULL)
7374                 return -1;
7375         return wpa_supplicant_remove_iface(global, wpa_s, 0);
7376 }
7377
7378
7379 static void wpa_free_iface_info(struct wpa_interface_info *iface)
7380 {
7381         struct wpa_interface_info *prev;
7382
7383         while (iface) {
7384                 prev = iface;
7385                 iface = iface->next;
7386
7387                 os_free(prev->ifname);
7388                 os_free(prev->desc);
7389                 os_free(prev);
7390         }
7391 }
7392
7393
7394 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
7395                                             char *buf, int len)
7396 {
7397         int i, res;
7398         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
7399         char *pos, *end;
7400
7401         for (i = 0; wpa_drivers[i]; i++) {
7402                 struct wpa_driver_ops *drv = wpa_drivers[i];
7403                 if (drv->get_interfaces == NULL)
7404                         continue;
7405                 tmp = drv->get_interfaces(global->drv_priv[i]);
7406                 if (tmp == NULL)
7407                         continue;
7408
7409                 if (last == NULL)
7410                         iface = last = tmp;
7411                 else
7412                         last->next = tmp;
7413                 while (last->next)
7414                         last = last->next;
7415         }
7416
7417         pos = buf;
7418         end = buf + len;
7419         for (tmp = iface; tmp; tmp = tmp->next) {
7420                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
7421                                   tmp->drv_name, tmp->ifname,
7422                                   tmp->desc ? tmp->desc : "");
7423                 if (res < 0 || res >= end - pos) {
7424                         *pos = '\0';
7425                         break;
7426                 }
7427                 pos += res;
7428         }
7429
7430         wpa_free_iface_info(iface);
7431
7432         return pos - buf;
7433 }
7434
7435
7436 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
7437                                                   char *buf, int len)
7438 {
7439         int res;
7440         char *pos, *end;
7441         struct wpa_supplicant *wpa_s;
7442
7443         wpa_s = global->ifaces;
7444         pos = buf;
7445         end = buf + len;
7446
7447         while (wpa_s) {
7448                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
7449                 if (res < 0 || res >= end - pos) {
7450                         *pos = '\0';
7451                         break;
7452                 }
7453                 pos += res;
7454                 wpa_s = wpa_s->next;
7455         }
7456         return pos - buf;
7457 }
7458
7459
7460 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
7461                                             const char *ifname,
7462                                             char *cmd, size_t *resp_len)
7463 {
7464         struct wpa_supplicant *wpa_s;
7465
7466         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
7467                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
7468                         break;
7469         }
7470
7471         if (wpa_s == NULL) {
7472                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
7473                 if (resp)
7474                         *resp_len = os_strlen(resp);
7475                 else
7476                         *resp_len = 1;
7477                 return resp;
7478         }
7479
7480         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
7481 }
7482
7483
7484 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
7485                                                char *buf, size_t *resp_len)
7486 {
7487 #ifdef CONFIG_P2P
7488         static const char * cmd[] = {
7489                 "LIST_NETWORKS",
7490                 "P2P_FIND",
7491                 "P2P_STOP_FIND",
7492                 "P2P_LISTEN",
7493                 "P2P_GROUP_ADD",
7494                 "P2P_GET_PASSPHRASE",
7495                 "P2P_SERVICE_UPDATE",
7496                 "P2P_SERVICE_FLUSH",
7497                 "P2P_FLUSH",
7498                 "P2P_CANCEL",
7499                 "P2P_PRESENCE_REQ",
7500                 "P2P_EXT_LISTEN",
7501                 NULL
7502         };
7503         static const char * prefix[] = {
7504 #ifdef ANDROID
7505                 "DRIVER ",
7506 #endif /* ANDROID */
7507                 "GET_NETWORK ",
7508                 "REMOVE_NETWORK ",
7509                 "P2P_FIND ",
7510                 "P2P_CONNECT ",
7511                 "P2P_LISTEN ",
7512                 "P2P_GROUP_REMOVE ",
7513                 "P2P_GROUP_ADD ",
7514                 "P2P_PROV_DISC ",
7515                 "P2P_SERV_DISC_REQ ",
7516                 "P2P_SERV_DISC_CANCEL_REQ ",
7517                 "P2P_SERV_DISC_RESP ",
7518                 "P2P_SERV_DISC_EXTERNAL ",
7519                 "P2P_SERVICE_ADD ",
7520                 "P2P_SERVICE_DEL ",
7521                 "P2P_REJECT ",
7522                 "P2P_INVITE ",
7523                 "P2P_PEER ",
7524                 "P2P_SET ",
7525                 "P2P_UNAUTHORIZE ",
7526                 "P2P_PRESENCE_REQ ",
7527                 "P2P_EXT_LISTEN ",
7528                 "P2P_REMOVE_CLIENT ",
7529                 "NFC_GET_HANDOVER_SEL ",
7530                 "NFC_GET_HANDOVER_REQ ",
7531                 "NFC_REPORT_HANDOVER ",
7532                 NULL
7533         };
7534         int found = 0;
7535         int i;
7536
7537         if (global->p2p_init_wpa_s == NULL)
7538                 return NULL;
7539
7540         for (i = 0; !found && cmd[i]; i++) {
7541                 if (os_strcmp(buf, cmd[i]) == 0)
7542                         found = 1;
7543         }
7544
7545         for (i = 0; !found && prefix[i]; i++) {
7546                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
7547                         found = 1;
7548         }
7549
7550         if (found)
7551                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
7552                                                          buf, resp_len);
7553 #endif /* CONFIG_P2P */
7554         return NULL;
7555 }
7556
7557
7558 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
7559                                                char *buf, size_t *resp_len)
7560 {
7561 #ifdef CONFIG_WIFI_DISPLAY
7562         if (global->p2p_init_wpa_s == NULL)
7563                 return NULL;
7564         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
7565             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
7566                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
7567                                                          buf, resp_len);
7568 #endif /* CONFIG_WIFI_DISPLAY */
7569         return NULL;
7570 }
7571
7572
7573 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
7574                                            char *buf, size_t *resp_len)
7575 {
7576         char *ret;
7577
7578         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
7579         if (ret)
7580                 return ret;
7581
7582         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
7583         if (ret)
7584                 return ret;
7585
7586         return NULL;
7587 }
7588
7589
7590 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
7591 {
7592         char *value;
7593
7594         value = os_strchr(cmd, ' ');
7595         if (value == NULL)
7596                 return -1;
7597         *value++ = '\0';
7598
7599         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
7600
7601 #ifdef CONFIG_WIFI_DISPLAY
7602         if (os_strcasecmp(cmd, "wifi_display") == 0) {
7603                 wifi_display_enable(global, !!atoi(value));
7604                 return 0;
7605         }
7606 #endif /* CONFIG_WIFI_DISPLAY */
7607
7608         /* Restore cmd to its original value to allow redirection */
7609         value[-1] = ' ';
7610
7611         return -1;
7612 }
7613
7614
7615 #ifndef CONFIG_NO_CONFIG_WRITE
7616 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
7617 {
7618         int ret = 0, saved = 0;
7619         struct wpa_supplicant *wpa_s;
7620
7621         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
7622                 if (!wpa_s->conf->update_config) {
7623                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
7624                         continue;
7625                 }
7626
7627                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
7628                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
7629                         ret = 1;
7630                 } else {
7631                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
7632                         saved++;
7633                 }
7634         }
7635
7636         if (!saved && !ret) {
7637                 wpa_dbg(wpa_s, MSG_DEBUG,
7638                         "CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
7639                 ret = 1;
7640         }
7641
7642         return ret;
7643 }
7644 #endif /* CONFIG_NO_CONFIG_WRITE */
7645
7646
7647 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
7648                                          char *buf, size_t buflen)
7649 {
7650         char *pos, *end;
7651         int ret;
7652         struct wpa_supplicant *wpa_s;
7653
7654         pos = buf;
7655         end = buf + buflen;
7656
7657 #ifdef CONFIG_P2P
7658         if (global->p2p && !global->p2p_disabled) {
7659                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
7660                                   "\n"
7661                                   "p2p_state=%s\n",
7662                                   MAC2STR(global->p2p_dev_addr),
7663                                   p2p_get_state_txt(global->p2p));
7664                 if (ret < 0 || ret >= end - pos)
7665                         return pos - buf;
7666                 pos += ret;
7667         } else if (global->p2p) {
7668                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
7669                 if (ret < 0 || ret >= end - pos)
7670                         return pos - buf;
7671                 pos += ret;
7672         }
7673 #endif /* CONFIG_P2P */
7674
7675 #ifdef CONFIG_WIFI_DISPLAY
7676         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
7677                           !!global->wifi_display);
7678         if (ret < 0 || ret >= end - pos)
7679                 return pos - buf;
7680         pos += ret;
7681 #endif /* CONFIG_WIFI_DISPLAY */
7682
7683         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
7684                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
7685                                   "address=" MACSTR "\n",
7686                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
7687                 if (ret < 0 || ret >= end - pos)
7688                         return pos - buf;
7689                 pos += ret;
7690         }
7691
7692         return pos - buf;
7693 }
7694
7695
7696 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
7697                                                 char *buf, size_t *resp_len)
7698 {
7699         char *reply;
7700         const int reply_size = 2048;
7701         int reply_len;
7702         int level = MSG_DEBUG;
7703
7704         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
7705                 char *pos = os_strchr(buf + 7, ' ');
7706                 if (pos) {
7707                         *pos++ = '\0';
7708                         return wpas_global_ctrl_iface_ifname(global,
7709                                                              buf + 7, pos,
7710                                                              resp_len);
7711                 }
7712         }
7713
7714         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
7715         if (reply)
7716                 return reply;
7717
7718         if (os_strcmp(buf, "PING") == 0)
7719                 level = MSG_EXCESSIVE;
7720         wpa_hexdump_ascii(level, "RX global ctrl_iface",
7721                           (const u8 *) buf, os_strlen(buf));
7722
7723         reply = os_malloc(reply_size);
7724         if (reply == NULL) {
7725                 *resp_len = 1;
7726                 return NULL;
7727         }
7728
7729         os_memcpy(reply, "OK\n", 3);
7730         reply_len = 3;
7731
7732         if (os_strcmp(buf, "PING") == 0) {
7733                 os_memcpy(reply, "PONG\n", 5);
7734                 reply_len = 5;
7735         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
7736                 if (wpa_supplicant_global_iface_add(global, buf + 14))
7737                         reply_len = -1;
7738         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
7739                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
7740                         reply_len = -1;
7741         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
7742                 reply_len = wpa_supplicant_global_iface_list(
7743                         global, reply, reply_size);
7744         } else if (os_strcmp(buf, "INTERFACES") == 0) {
7745                 reply_len = wpa_supplicant_global_iface_interfaces(
7746                         global, reply, reply_size);
7747         } else if (os_strcmp(buf, "TERMINATE") == 0) {
7748                 wpa_supplicant_terminate_proc(global);
7749         } else if (os_strcmp(buf, "SUSPEND") == 0) {
7750                 wpas_notify_suspend(global);
7751         } else if (os_strcmp(buf, "RESUME") == 0) {
7752                 wpas_notify_resume(global);
7753         } else if (os_strncmp(buf, "SET ", 4) == 0) {
7754                 if (wpas_global_ctrl_iface_set(global, buf + 4)) {
7755 #ifdef CONFIG_P2P
7756                         if (global->p2p_init_wpa_s) {
7757                                 os_free(reply);
7758                                 /* Check if P2P redirection would work for this
7759                                  * command. */
7760                                 return wpa_supplicant_ctrl_iface_process(
7761                                         global->p2p_init_wpa_s,
7762                                         buf, resp_len);
7763                         }
7764 #endif /* CONFIG_P2P */
7765                         reply_len = -1;
7766                 }
7767 #ifndef CONFIG_NO_CONFIG_WRITE
7768         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
7769                 if (wpas_global_ctrl_iface_save_config(global))
7770                         reply_len = -1;
7771 #endif /* CONFIG_NO_CONFIG_WRITE */
7772         } else if (os_strcmp(buf, "STATUS") == 0) {
7773                 reply_len = wpas_global_ctrl_iface_status(global, reply,
7774                                                           reply_size);
7775 #ifdef CONFIG_MODULE_TESTS
7776         } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
7777                 int wpas_module_tests(void);
7778                 if (wpas_module_tests() < 0)
7779                         reply_len = -1;
7780 #endif /* CONFIG_MODULE_TESTS */
7781         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
7782                 if (wpa_debug_reopen_file() < 0)
7783                         reply_len = -1;
7784         } else {
7785                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
7786                 reply_len = 16;
7787         }
7788
7789         if (reply_len < 0) {
7790                 os_memcpy(reply, "FAIL\n", 5);
7791                 reply_len = 5;
7792         }
7793
7794         *resp_len = reply_len;
7795         return reply;
7796 }