forked from zephyrproject-rtos/hostap
-
Notifications
You must be signed in to change notification settings - Fork 0
/
ap.c
1952 lines (1628 loc) · 51 KB
/
ap.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
* WPA Supplicant - Basic AP mode support routines
* Copyright (c) 2003-2009, Jouni Malinen <[email protected]>
* Copyright (c) 2009, Atheros Communications
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "utils/includes.h"
#include "utils/common.h"
#include "utils/eloop.h"
#include "utils/uuid.h"
#include "common/ieee802_11_defs.h"
#include "common/wpa_ctrl.h"
#include "eapol_supp/eapol_supp_sm.h"
#include "crypto/dh_group5.h"
#include "ap/hostapd.h"
#include "ap/ap_config.h"
#include "ap/ap_drv_ops.h"
#ifdef NEED_AP_MLME
#include "ap/ieee802_11.h"
#endif /* NEED_AP_MLME */
#include "ap/beacon.h"
#include "ap/ieee802_1x.h"
#include "ap/wps_hostapd.h"
#include "ap/ctrl_iface_ap.h"
#include "ap/dfs.h"
#include "wps/wps.h"
#include "common/ieee802_11_defs.h"
#include "config_ssid.h"
#include "config.h"
#include "wpa_supplicant_i.h"
#include "driver_i.h"
#include "p2p_supplicant.h"
#include "ap.h"
#include "ap/sta_info.h"
#include "notify.h"
#ifdef CONFIG_WPS
static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx);
#endif /* CONFIG_WPS */
#ifdef CONFIG_P2P
static bool is_chanwidth160_supported(struct hostapd_hw_modes *mode,
struct hostapd_config *conf)
{
#ifdef CONFIG_IEEE80211AX
if (conf->ieee80211ax) {
struct he_capabilities *he_cap;
he_cap = &mode->he_capab[IEEE80211_MODE_AP];
if (he_cap->phy_cap[HE_PHYCAP_CHANNEL_WIDTH_SET_IDX] &
(HE_PHYCAP_CHANNEL_WIDTH_SET_80PLUS80MHZ_IN_5G |
HE_PHYCAP_CHANNEL_WIDTH_SET_160MHZ_IN_5G))
return true;
}
#endif /* CONFIG_IEEE80211AX */
if (mode->vht_capab & (VHT_CAP_SUPP_CHAN_WIDTH_160MHZ |
VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ))
return true;
return false;
}
#endif /* CONFIG_P2P */
static void wpas_conf_ap_vht(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid,
struct hostapd_config *conf,
struct hostapd_hw_modes *mode)
{
#ifdef CONFIG_P2P
u8 center_chan = 0;
u8 channel = conf->channel;
#endif /* CONFIG_P2P */
u8 freq_seg_idx;
if (!conf->secondary_channel)
goto no_vht;
/* Use the maximum oper channel width if it's given. */
if (ssid->max_oper_chwidth)
hostapd_set_oper_chwidth(conf, ssid->max_oper_chwidth);
if (hostapd_get_oper_chwidth(conf))
ieee80211_freq_to_channel_ext(ssid->frequency, 0,
hostapd_get_oper_chwidth(conf),
&conf->op_class,
&conf->channel);
if (hostapd_get_oper_chwidth(conf) == CHANWIDTH_80P80MHZ) {
ieee80211_freq_to_chan(ssid->vht_center_freq2,
&freq_seg_idx);
hostapd_set_oper_centr_freq_seg1_idx(conf, freq_seg_idx);
}
if (!ssid->p2p_group) {
if (!ssid->vht_center_freq1)
goto no_vht;
ieee80211_freq_to_chan(ssid->vht_center_freq1,
&freq_seg_idx);
hostapd_set_oper_centr_freq_seg0_idx(conf, freq_seg_idx);
wpa_printf(MSG_DEBUG,
"VHT seg0 index %d and seg1 index %d for AP",
hostapd_get_oper_centr_freq_seg0_idx(conf),
hostapd_get_oper_centr_freq_seg1_idx(conf));
return;
}
#ifdef CONFIG_P2P
switch (hostapd_get_oper_chwidth(conf)) {
case CHANWIDTH_80MHZ:
case CHANWIDTH_80P80MHZ:
center_chan = wpas_p2p_get_vht80_center(wpa_s, mode, channel,
conf->op_class);
wpa_printf(MSG_DEBUG,
"VHT center channel %u for 80 or 80+80 MHz bandwidth",
center_chan);
break;
case CHANWIDTH_160MHZ:
center_chan = wpas_p2p_get_vht160_center(wpa_s, mode, channel,
conf->op_class);
wpa_printf(MSG_DEBUG,
"VHT center channel %u for 160 MHz bandwidth",
center_chan);
break;
default:
/*
* conf->vht_oper_chwidth might not be set for non-P2P GO cases,
* try oper_cwidth 160 MHz first then VHT 80 MHz, if 160 MHz is
* not supported.
*/
hostapd_set_oper_chwidth(conf, CHANWIDTH_160MHZ);
ieee80211_freq_to_channel_ext(ssid->frequency, 0,
conf->vht_oper_chwidth,
&conf->op_class,
&conf->channel);
center_chan = wpas_p2p_get_vht160_center(wpa_s, mode, channel,
conf->op_class);
if (center_chan && is_chanwidth160_supported(mode, conf)) {
wpa_printf(MSG_DEBUG,
"VHT center channel %u for auto-selected 160 MHz bandwidth",
center_chan);
} else {
hostapd_set_oper_chwidth(conf, CHANWIDTH_80MHZ);
ieee80211_freq_to_channel_ext(ssid->frequency, 0,
conf->vht_oper_chwidth,
&conf->op_class,
&conf->channel);
center_chan = wpas_p2p_get_vht80_center(wpa_s, mode,
channel,
conf->op_class);
wpa_printf(MSG_DEBUG,
"VHT center channel %u for auto-selected 80 MHz bandwidth",
center_chan);
}
break;
}
if (!center_chan)
goto no_vht;
hostapd_set_oper_centr_freq_seg0_idx(conf, center_chan);
wpa_printf(MSG_DEBUG, "VHT seg0 index %d for P2P GO",
hostapd_get_oper_centr_freq_seg0_idx(conf));
return;
#endif /* CONFIG_P2P */
no_vht:
wpa_printf(MSG_DEBUG,
"No VHT higher bandwidth support for the selected channel %d",
conf->channel);
hostapd_set_oper_centr_freq_seg0_idx(
conf, conf->channel + conf->secondary_channel * 2);
hostapd_set_oper_chwidth(conf, CHANWIDTH_USE_HT);
}
static struct hostapd_hw_modes *
wpa_supplicant_find_hw_mode(struct wpa_supplicant *wpa_s,
enum hostapd_hw_mode hw_mode)
{
struct hostapd_hw_modes *mode = NULL;
int i;
for (i = 0; i < wpa_s->hw.num_modes; i++) {
if (wpa_s->hw.modes[i].mode == hw_mode) {
mode = &wpa_s->hw.modes[i];
break;
}
}
return mode;
}
#ifdef CONFIG_P2P
static int get_max_oper_chwidth_6ghz(int chwidth)
{
switch (chwidth) {
case CHANWIDTH_USE_HT:
return 20;
case CHANWIDTH_40MHZ_6GHZ:
return 40;
case CHANWIDTH_80MHZ:
return 80;
case CHANWIDTH_80P80MHZ:
case CHANWIDTH_160MHZ:
return 160;
default:
return 0;
}
}
static void wpas_conf_ap_he_6ghz(struct wpa_supplicant *wpa_s,
struct hostapd_hw_modes *mode,
struct wpa_ssid *ssid,
struct hostapd_config *conf)
{
bool is_chanwidth_40_80, is_chanwidth_160;
int he_chanwidth;
he_chanwidth =
mode->he_capab[wpas_mode_to_ieee80211_mode(
ssid->mode)].phy_cap[HE_PHYCAP_CHANNEL_WIDTH_SET_IDX];
is_chanwidth_40_80 = he_chanwidth &
HE_PHYCAP_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G;
is_chanwidth_160 = he_chanwidth &
HE_PHYCAP_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
wpa_printf(MSG_DEBUG,
"Enable HE support (p2p_group=%d he_chwidth_cap=%d)",
ssid->p2p_group, he_chanwidth);
if (mode->he_capab[wpas_mode_to_ieee80211_mode(
ssid->mode)].he_supported &&
ssid->he)
conf->ieee80211ax = 1;
if (is_chanwidth_40_80 && ssid->p2p_group &&
get_max_oper_chwidth_6ghz(ssid->max_oper_chwidth) >= 40) {
conf->secondary_channel =
wpas_p2p_get_sec_channel_offset_40mhz(
wpa_s, mode, conf->channel);
wpa_printf(MSG_DEBUG,
"Secondary channel offset %d for P2P group",
conf->secondary_channel);
if (ssid->max_oper_chwidth == CHANWIDTH_40MHZ_6GHZ)
ssid->max_oper_chwidth = CHANWIDTH_USE_HT;
}
if ((is_chanwidth_40_80 || is_chanwidth_160) && ssid->p2p_group &&
get_max_oper_chwidth_6ghz(ssid->max_oper_chwidth) >= 80)
wpas_conf_ap_vht(wpa_s, ssid, conf, mode);
}
#endif /* CONFIG_P2P */
int wpa_supplicant_conf_ap_ht(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid,
struct hostapd_config *conf)
{
conf->hw_mode = ieee80211_freq_to_channel_ext(ssid->frequency, 0,
CHANWIDTH_USE_HT,
&conf->op_class,
&conf->channel);
if (conf->hw_mode == NUM_HOSTAPD_MODES) {
wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz",
ssid->frequency);
return -1;
}
/*
* Enable HT20 if the driver supports it, by setting conf->ieee80211n
* and a mask of allowed capabilities within conf->ht_capab.
* Using default config settings for: conf->ht_op_mode_fixed,
* conf->secondary_channel, conf->require_ht
*/
if (wpa_s->hw.modes) {
struct hostapd_hw_modes *mode = NULL;
int no_ht = 0;
wpa_printf(MSG_DEBUG,
"Determining HT/VHT options based on driver capabilities (freq=%u chan=%u)",
ssid->frequency, conf->channel);
mode = get_mode(wpa_s->hw.modes, wpa_s->hw.num_modes,
conf->hw_mode, is_6ghz_freq(ssid->frequency));
/* May drop to IEEE 802.11b if the driver does not support IEEE
* 802.11g */
if (!mode && conf->hw_mode == HOSTAPD_MODE_IEEE80211G) {
conf->hw_mode = HOSTAPD_MODE_IEEE80211B;
wpa_printf(MSG_INFO,
"Try downgrade to IEEE 802.11b as 802.11g is not supported by the current hardware");
mode = wpa_supplicant_find_hw_mode(wpa_s,
conf->hw_mode);
}
if (!mode) {
wpa_printf(MSG_ERROR,
"No match between requested and supported hw modes found");
return -1;
}
#ifdef CONFIG_HT_OVERRIDES
if (ssid->disable_ht)
ssid->ht = 0;
#endif /* CONFIG_HT_OVERRIDES */
if (!ssid->ht) {
wpa_printf(MSG_DEBUG,
"HT not enabled in network profile");
conf->ieee80211n = 0;
conf->ht_capab = 0;
no_ht = 1;
}
if (mode && is_6ghz_freq(ssid->frequency) &&
conf->hw_mode == HOSTAPD_MODE_IEEE80211A) {
#ifdef CONFIG_P2P
wpas_conf_ap_he_6ghz(wpa_s, mode, ssid, conf);
#endif /* CONFIG_P2P */
} else if (!no_ht && mode && mode->ht_capab) {
wpa_printf(MSG_DEBUG,
"Enable HT support (p2p_group=%d 11a=%d ht40_hw_capab=%d ssid->ht40=%d)",
ssid->p2p_group,
conf->hw_mode == HOSTAPD_MODE_IEEE80211A,
!!(mode->ht_capab &
HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET),
ssid->ht40);
conf->ieee80211n = 1;
if (ssid->ht40 &&
(mode->ht_capab &
HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
conf->secondary_channel = ssid->ht40;
else
conf->secondary_channel = 0;
#ifdef CONFIG_P2P
if (ssid->p2p_group &&
conf->hw_mode == HOSTAPD_MODE_IEEE80211A &&
(mode->ht_capab &
HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) &&
ssid->ht40) {
conf->secondary_channel =
wpas_p2p_get_sec_channel_offset_40mhz(
wpa_s, mode, conf->channel);
wpa_printf(MSG_DEBUG,
"HT secondary channel offset %d for P2P group",
conf->secondary_channel);
} else if (ssid->p2p_group && conf->secondary_channel &&
conf->hw_mode != HOSTAPD_MODE_IEEE80211A) {
/* This ended up trying to configure invalid
* 2.4 GHz channels (e.g., HT40+ on channel 11)
* in some cases, so clear the secondary channel
* configuration now to avoid such cases that
* would lead to group formation failures. */
wpa_printf(MSG_DEBUG,
"Disable HT secondary channel for P2P group on 2.4 GHz");
conf->secondary_channel = 0;
}
#endif /* CONFIG_P2P */
if (!ssid->p2p_group &&
(mode->ht_capab &
HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) {
conf->secondary_channel = ssid->ht40;
wpa_printf(MSG_DEBUG,
"HT secondary channel offset %d for AP",
conf->secondary_channel);
}
if (conf->secondary_channel)
conf->ht_capab |=
HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
/*
* include capabilities that won't cause issues
* to connecting stations, while leaving the current
* capabilities intact (currently disabled SMPS).
*/
conf->ht_capab |= mode->ht_capab &
(HT_CAP_INFO_GREEN_FIELD |
HT_CAP_INFO_SHORT_GI20MHZ |
HT_CAP_INFO_SHORT_GI40MHZ |
HT_CAP_INFO_RX_STBC_MASK |
HT_CAP_INFO_TX_STBC |
HT_CAP_INFO_MAX_AMSDU_SIZE);
/* check this before VHT, because setting oper chan
* width and friends is the same call for HE and VHT
* and checks if conf->ieee8021ax == 1 */
if (mode->he_capab[wpas_mode_to_ieee80211_mode(
ssid->mode)].he_supported &&
ssid->he)
conf->ieee80211ax = 1;
if (mode->vht_capab && ssid->vht) {
conf->ieee80211ac = 1;
conf->vht_capab |= mode->vht_capab;
wpas_conf_ap_vht(wpa_s, ssid, conf, mode);
}
}
}
if (conf->secondary_channel) {
struct wpa_supplicant *iface;
for (iface = wpa_s->global->ifaces; iface; iface = iface->next)
{
if (iface == wpa_s ||
iface->wpa_state < WPA_AUTHENTICATING ||
(int) iface->assoc_freq != ssid->frequency)
continue;
/*
* Do not allow 40 MHz co-ex PRI/SEC switch to force us
* to change our PRI channel since we have an existing,
* concurrent connection on that channel and doing
* multi-channel concurrency is likely to cause more
* harm than using different PRI/SEC selection in
* environment with multiple BSSes on these two channels
* with mixed 20 MHz or PRI channel selection.
*/
conf->no_pri_sec_switch = 1;
}
}
return 0;
}
static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid,
struct hostapd_config *conf)
{
struct hostapd_bss_config *bss = conf->bss[0];
conf->driver = wpa_s->driver;
os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface));
if (wpa_supplicant_conf_ap_ht(wpa_s, ssid, conf))
return -1;
if (ssid->pbss > 1) {
wpa_printf(MSG_ERROR, "Invalid pbss value(%d) for AP mode",
ssid->pbss);
return -1;
}
bss->pbss = ssid->pbss;
#ifdef CONFIG_ACS
if (ssid->acs) {
/* Setting channel to 0 in order to enable ACS */
conf->channel = 0;
wpa_printf(MSG_DEBUG, "Use automatic channel selection");
}
#endif /* CONFIG_ACS */
if (ieee80211_is_dfs(ssid->frequency, wpa_s->hw.modes,
wpa_s->hw.num_modes) && wpa_s->conf->country[0]) {
conf->ieee80211h = 1;
conf->ieee80211d = 1;
conf->country[0] = wpa_s->conf->country[0];
conf->country[1] = wpa_s->conf->country[1];
conf->country[2] = ' ';
}
#ifdef CONFIG_P2P
if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G &&
(ssid->mode == WPAS_MODE_P2P_GO ||
ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)) {
/* Remove 802.11b rates from supported and basic rate sets */
int *list = os_malloc(4 * sizeof(int));
if (list) {
list[0] = 60;
list[1] = 120;
list[2] = 240;
list[3] = -1;
}
conf->basic_rates = list;
list = os_malloc(9 * sizeof(int));
if (list) {
list[0] = 60;
list[1] = 90;
list[2] = 120;
list[3] = 180;
list[4] = 240;
list[5] = 360;
list[6] = 480;
list[7] = 540;
list[8] = -1;
}
conf->supported_rates = list;
}
#ifdef CONFIG_IEEE80211AX
if (ssid->mode == WPAS_MODE_P2P_GO ||
ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
conf->ieee80211ax = ssid->he;
#endif /* CONFIG_IEEE80211AX */
bss->isolate = !wpa_s->conf->p2p_intra_bss;
bss->extended_key_id = wpa_s->conf->extended_key_id;
bss->force_per_enrollee_psk = wpa_s->global->p2p_per_sta_psk;
bss->wpa_deny_ptk0_rekey = ssid->wpa_deny_ptk0_rekey;
if (ssid->p2p_group) {
os_memcpy(bss->ip_addr_go, wpa_s->p2pdev->conf->ip_addr_go, 4);
os_memcpy(bss->ip_addr_mask, wpa_s->p2pdev->conf->ip_addr_mask,
4);
os_memcpy(bss->ip_addr_start,
wpa_s->p2pdev->conf->ip_addr_start, 4);
os_memcpy(bss->ip_addr_end, wpa_s->p2pdev->conf->ip_addr_end,
4);
}
#endif /* CONFIG_P2P */
if (ssid->ssid_len == 0) {
wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
return -1;
}
os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len);
bss->ssid.ssid_len = ssid->ssid_len;
bss->ssid.ssid_set = 1;
bss->ignore_broadcast_ssid = ssid->ignore_broadcast_ssid;
if (ssid->auth_alg)
bss->auth_algs = ssid->auth_alg;
if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt))
bss->wpa = ssid->proto;
if (ssid->key_mgmt == DEFAULT_KEY_MGMT)
bss->wpa_key_mgmt = WPA_KEY_MGMT_PSK;
else
bss->wpa_key_mgmt = ssid->key_mgmt;
bss->wpa_pairwise = ssid->pairwise_cipher;
if (wpa_key_mgmt_sae(bss->wpa_key_mgmt) && ssid->passphrase) {
bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase);
} else if (ssid->psk_set) {
bin_clear_free(bss->ssid.wpa_psk, sizeof(*bss->ssid.wpa_psk));
bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
if (bss->ssid.wpa_psk == NULL)
return -1;
os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN);
bss->ssid.wpa_psk->group = 1;
bss->ssid.wpa_psk_set = 1;
} else if (ssid->passphrase) {
bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase);
#ifdef CONFIG_WEP
} else if (ssid->wep_key_len[0] || ssid->wep_key_len[1] ||
ssid->wep_key_len[2] || ssid->wep_key_len[3]) {
struct hostapd_wep_keys *wep = &bss->ssid.wep;
int i;
for (i = 0; i < NUM_WEP_KEYS; i++) {
if (ssid->wep_key_len[i] == 0)
continue;
wep->key[i] = os_memdup(ssid->wep_key[i],
ssid->wep_key_len[i]);
if (wep->key[i] == NULL)
return -1;
wep->len[i] = ssid->wep_key_len[i];
}
wep->idx = ssid->wep_tx_keyidx;
wep->keys_set = 1;
#endif /* CONFIG_WEP */
}
#ifdef CONFIG_SAE
if (ssid->sae_password) {
struct sae_password_entry *pw;
pw = os_zalloc(sizeof(*pw));
if (!pw)
return -1;
os_memset(pw->peer_addr, 0xff, ETH_ALEN);
pw->password = os_strdup(ssid->sae_password);
if (!pw->password) {
os_free(pw);
return -1;
}
if (ssid->sae_password_id) {
pw->identifier = os_strdup(ssid->sae_password_id);
if (!pw->identifier) {
str_clear_free(pw->password);
os_free(pw);
return -1;
}
}
pw->next = bss->sae_passwords;
bss->sae_passwords = pw;
}
if (ssid->sae_pwe != DEFAULT_SAE_PWE)
bss->sae_pwe = ssid->sae_pwe;
else
bss->sae_pwe = wpa_s->conf->sae_pwe;
#endif /* CONFIG_SAE */
if (wpa_s->conf->go_interworking) {
wpa_printf(MSG_DEBUG,
"P2P: Enable Interworking with access_network_type: %d",
wpa_s->conf->go_access_network_type);
bss->interworking = wpa_s->conf->go_interworking;
bss->access_network_type = wpa_s->conf->go_access_network_type;
bss->internet = wpa_s->conf->go_internet;
if (wpa_s->conf->go_venue_group) {
wpa_printf(MSG_DEBUG,
"P2P: Venue group: %d Venue type: %d",
wpa_s->conf->go_venue_group,
wpa_s->conf->go_venue_type);
bss->venue_group = wpa_s->conf->go_venue_group;
bss->venue_type = wpa_s->conf->go_venue_type;
bss->venue_info_set = 1;
}
}
if (ssid->ap_max_inactivity)
bss->ap_max_inactivity = ssid->ap_max_inactivity;
if (ssid->dtim_period)
bss->dtim_period = ssid->dtim_period;
else if (wpa_s->conf->dtim_period)
bss->dtim_period = wpa_s->conf->dtim_period;
if (ssid->beacon_int)
conf->beacon_int = ssid->beacon_int;
else if (wpa_s->conf->beacon_int)
conf->beacon_int = wpa_s->conf->beacon_int;
#ifdef CONFIG_P2P
if (ssid->mode == WPAS_MODE_P2P_GO ||
ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) {
if (wpa_s->conf->p2p_go_ctwindow > conf->beacon_int) {
wpa_printf(MSG_INFO,
"CTWindow (%d) is bigger than beacon interval (%d) - avoid configuring it",
wpa_s->conf->p2p_go_ctwindow,
conf->beacon_int);
conf->p2p_go_ctwindow = 0;
} else {
conf->p2p_go_ctwindow = wpa_s->conf->p2p_go_ctwindow;
}
}
#endif /* CONFIG_P2P */
if ((bss->wpa & 2) && bss->rsn_pairwise == 0)
bss->rsn_pairwise = bss->wpa_pairwise;
bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise,
bss->rsn_pairwise);
if (bss->wpa && bss->ieee802_1x) {
bss->ssid.security_policy = SECURITY_WPA;
} else if (bss->wpa) {
bss->ssid.security_policy = SECURITY_WPA_PSK;
#ifdef CONFIG_WEP
} else if (bss->ieee802_1x) {
int cipher = WPA_CIPHER_NONE;
bss->ssid.security_policy = SECURITY_IEEE_802_1X;
bss->ssid.wep.default_len = bss->default_wep_key_len;
if (bss->default_wep_key_len)
cipher = bss->default_wep_key_len >= 13 ?
WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
bss->wpa_group = cipher;
bss->wpa_pairwise = cipher;
bss->rsn_pairwise = cipher;
} else if (bss->ssid.wep.keys_set) {
int cipher = WPA_CIPHER_WEP40;
if (bss->ssid.wep.len[0] >= 13)
cipher = WPA_CIPHER_WEP104;
bss->ssid.security_policy = SECURITY_STATIC_WEP;
bss->wpa_group = cipher;
bss->wpa_pairwise = cipher;
bss->rsn_pairwise = cipher;
#endif /* CONFIG_WEP */
} else {
bss->ssid.security_policy = SECURITY_PLAINTEXT;
bss->wpa_group = WPA_CIPHER_NONE;
bss->wpa_pairwise = WPA_CIPHER_NONE;
bss->rsn_pairwise = WPA_CIPHER_NONE;
}
if (bss->wpa_group_rekey < 86400 && (bss->wpa & 2) &&
(bss->wpa_group == WPA_CIPHER_CCMP ||
bss->wpa_group == WPA_CIPHER_GCMP ||
bss->wpa_group == WPA_CIPHER_CCMP_256 ||
bss->wpa_group == WPA_CIPHER_GCMP_256)) {
/*
* Strong ciphers do not need frequent rekeying, so increase
* the default GTK rekeying period to 24 hours.
*/
bss->wpa_group_rekey = 86400;
}
if (ssid->ieee80211w != MGMT_FRAME_PROTECTION_DEFAULT)
bss->ieee80211w = ssid->ieee80211w;
#ifdef CONFIG_OCV
bss->ocv = ssid->ocv;
#endif /* CONFIG_OCV */
#ifdef CONFIG_WPS
/*
* Enable WPS by default for open and WPA/WPA2-Personal network, but
* require user interaction to actually use it. Only the internal
* Registrar is supported.
*/
if (bss->ssid.security_policy != SECURITY_WPA_PSK &&
bss->ssid.security_policy != SECURITY_PLAINTEXT)
goto no_wps;
if (bss->ssid.security_policy == SECURITY_WPA_PSK &&
(!(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP)) ||
!(bss->wpa & 2)))
goto no_wps; /* WPS2 does not allow WPA/TKIP-only
* configuration */
if (ssid->wps_disabled)
goto no_wps;
bss->eap_server = 1;
if (!ssid->ignore_broadcast_ssid)
bss->wps_state = 2;
bss->ap_setup_locked = 2;
if (wpa_s->conf->config_methods)
bss->config_methods = os_strdup(wpa_s->conf->config_methods);
os_memcpy(bss->device_type, wpa_s->conf->device_type,
WPS_DEV_TYPE_LEN);
if (wpa_s->conf->device_name) {
bss->device_name = os_strdup(wpa_s->conf->device_name);
bss->friendly_name = os_strdup(wpa_s->conf->device_name);
}
if (wpa_s->conf->manufacturer)
bss->manufacturer = os_strdup(wpa_s->conf->manufacturer);
if (wpa_s->conf->model_name)
bss->model_name = os_strdup(wpa_s->conf->model_name);
if (wpa_s->conf->model_number)
bss->model_number = os_strdup(wpa_s->conf->model_number);
if (wpa_s->conf->serial_number)
bss->serial_number = os_strdup(wpa_s->conf->serial_number);
if (is_nil_uuid(wpa_s->conf->uuid))
os_memcpy(bss->uuid, wpa_s->wps->uuid, WPS_UUID_LEN);
else
os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
os_memcpy(bss->os_version, wpa_s->conf->os_version, 4);
bss->pbc_in_m1 = wpa_s->conf->pbc_in_m1;
if (ssid->eap.fragment_size != DEFAULT_FRAGMENT_SIZE)
bss->fragment_size = ssid->eap.fragment_size;
no_wps:
#endif /* CONFIG_WPS */
if (wpa_s->max_stations &&
wpa_s->max_stations < wpa_s->conf->max_num_sta)
bss->max_num_sta = wpa_s->max_stations;
else
bss->max_num_sta = wpa_s->conf->max_num_sta;
if (!bss->isolate)
bss->isolate = wpa_s->conf->ap_isolate;
bss->disassoc_low_ack = wpa_s->conf->disassoc_low_ack;
if (wpa_s->conf->ap_vendor_elements) {
bss->vendor_elements =
wpabuf_dup(wpa_s->conf->ap_vendor_elements);
}
if (wpa_s->conf->ap_assocresp_elements) {
bss->assocresp_elements =
wpabuf_dup(wpa_s->conf->ap_assocresp_elements);
}
bss->ftm_responder = wpa_s->conf->ftm_responder;
bss->ftm_initiator = wpa_s->conf->ftm_initiator;
bss->transition_disable = ssid->transition_disable;
return 0;
}
static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
{
#ifdef CONFIG_P2P
struct wpa_supplicant *wpa_s = ctx;
const struct ieee80211_mgmt *mgmt;
mgmt = (const struct ieee80211_mgmt *) buf;
if (len < IEEE80211_HDRLEN + 1)
return;
if (mgmt->u.action.category != WLAN_ACTION_PUBLIC)
return;
wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
mgmt->u.action.category,
buf + IEEE80211_HDRLEN + 1,
len - IEEE80211_HDRLEN - 1, freq);
#endif /* CONFIG_P2P */
}
static void ap_wps_event_cb(void *ctx, enum wps_event event,
union wps_event_data *data)
{
#ifdef CONFIG_P2P
struct wpa_supplicant *wpa_s = ctx;
if (event == WPS_EV_FAIL) {
struct wps_event_fail *fail = &data->fail;
if (wpa_s->p2pdev && wpa_s->p2pdev != wpa_s &&
wpa_s == wpa_s->global->p2p_group_formation) {
/*
* src/ap/wps_hostapd.c has already sent this on the
* main interface, so only send on the parent interface
* here if needed.
*/
wpa_msg(wpa_s->p2pdev, MSG_INFO, WPS_EVENT_FAIL
"msg=%d config_error=%d",
fail->msg, fail->config_error);
}
wpas_p2p_wps_failed(wpa_s, fail);
}
#endif /* CONFIG_P2P */
}
static void ap_sta_authorized_cb(void *ctx, const u8 *mac_addr,
int authorized, const u8 *p2p_dev_addr)
{
wpas_notify_sta_authorized(ctx, mac_addr, authorized, p2p_dev_addr);
}
#ifdef CONFIG_P2P
static void ap_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr,
const u8 *psk, size_t psk_len)
{
struct wpa_supplicant *wpa_s = ctx;
if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL)
return;
wpas_p2p_new_psk_cb(wpa_s, mac_addr, p2p_dev_addr, psk, psk_len);
}
#endif /* CONFIG_P2P */
static int ap_vendor_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
{
#ifdef CONFIG_P2P
struct wpa_supplicant *wpa_s = ctx;
const struct ieee80211_mgmt *mgmt;
mgmt = (const struct ieee80211_mgmt *) buf;
if (len < IEEE80211_HDRLEN + 1)
return -1;
wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
mgmt->u.action.category,
buf + IEEE80211_HDRLEN + 1,
len - IEEE80211_HDRLEN - 1, freq);
#endif /* CONFIG_P2P */
return 0;
}
static int ap_probe_req_rx(void *ctx, const u8 *sa, const u8 *da,
const u8 *bssid, const u8 *ie, size_t ie_len,
int ssi_signal)
{
struct wpa_supplicant *wpa_s = ctx;
unsigned int freq = 0;
if (wpa_s->ap_iface)
freq = wpa_s->ap_iface->freq;
return wpas_p2p_probe_req_rx(wpa_s, sa, da, bssid, ie, ie_len,
freq, ssi_signal);
}
static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
const u8 *uuid_e)
{
struct wpa_supplicant *wpa_s = ctx;
wpas_p2p_wps_success(wpa_s, mac_addr, 1);
}
static void wpas_ap_configured_cb(void *ctx)
{
struct wpa_supplicant *wpa_s = ctx;
wpa_printf(MSG_DEBUG, "AP interface setup completed - state %s",
hostapd_state_text(wpa_s->ap_iface->state));
if (wpa_s->ap_iface->state == HAPD_IFACE_DISABLED) {
wpa_supplicant_ap_deinit(wpa_s);
return;
}
if (wpa_s->current_ssid) {
int acs = 0;
#ifdef CONFIG_ACS
acs = wpa_s->current_ssid->acs;
#endif /* CONFIG_ACS */
if (acs || (wpa_s->assoc_freq && wpa_s->ap_iface->freq &&
(int) wpa_s->assoc_freq != wpa_s->ap_iface->freq)) {
wpa_s->assoc_freq = wpa_s->ap_iface->freq;
wpa_s->current_ssid->frequency = wpa_s->ap_iface->freq;
}
}
wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
if (wpa_s->ap_configured_cb)
wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx,
wpa_s->ap_configured_cb_data);
}
int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid)
{
struct wpa_driver_associate_params params;
struct hostapd_iface *hapd_iface;
struct hostapd_config *conf;
size_t i;
if (ssid->ssid == NULL || ssid->ssid_len == 0) {
wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
return -1;
}
wpa_supplicant_ap_deinit(wpa_s);
wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
os_memset(¶ms, 0, sizeof(params));
params.ssid = ssid->ssid;
params.ssid_len = ssid->ssid_len;
switch (ssid->mode) {
case WPAS_MODE_AP:
case WPAS_MODE_P2P_GO:
case WPAS_MODE_P2P_GROUP_FORMATION:
params.mode = IEEE80211_MODE_AP;
break;
default:
return -1;
}
if (ssid->frequency == 0)
ssid->frequency = 2462; /* default channel 11 */
params.freq.freq = ssid->frequency;
if ((ssid->mode == WPAS_MODE_AP || ssid->mode == WPAS_MODE_P2P_GO) &&
ssid->enable_edmg) {
u8 primary_channel;
if (ieee80211_freq_to_chan(ssid->frequency, &primary_channel) ==
NUM_HOSTAPD_MODES) {
wpa_printf(MSG_WARNING,
"EDMG: Failed to get the primary channel");
return -1;
}
hostapd_encode_edmg_chan(ssid->enable_edmg, ssid->edmg_channel,
primary_channel, ¶ms.freq.edmg);
}
params.wpa_proto = ssid->proto;
if (ssid->key_mgmt & WPA_KEY_MGMT_PSK)
wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
else if (ssid->key_mgmt & WPA_KEY_MGMT_SAE)
wpa_s->key_mgmt = WPA_KEY_MGMT_SAE;
else
wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
params.key_mgmt_suite = wpa_s->key_mgmt;
wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher,
1);
if (wpa_s->pairwise_cipher < 0) {
wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
"cipher.");
return -1;
}
params.pairwise_suite = wpa_s->pairwise_cipher;
params.group_suite = params.pairwise_suite;
#ifdef CONFIG_P2P
if (ssid->mode == WPAS_MODE_P2P_GO ||
ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
params.p2p = 1;
#endif /* CONFIG_P2P */