2
* WPA Supplicant / Control interface (shared code for all backends)
3
* Copyright (c) 2004-2006, Jouni Malinen <j@w1.fi>
5
* This program is free software; you can redistribute it and/or modify
6
* it under the terms of the GNU General Public License version 2 as
7
* published by the Free Software Foundation.
9
* Alternatively, this software may be distributed under the terms of BSD
12
* See README and COPYING for more details.
20
#include "wpa_supplicant.h"
23
#include "wpa_supplicant_i.h"
24
#include "ctrl_iface.h"
25
#include "l2_packet.h"
27
#include "pmksa_cache.h"
32
static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
36
static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
42
value = os_strchr(cmd, ' ');
47
wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
48
if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
49
eapol_sm_configure(wpa_s->eapol,
50
atoi(value), -1, -1, -1);
51
} else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
52
eapol_sm_configure(wpa_s->eapol,
53
-1, atoi(value), -1, -1);
54
} else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
55
eapol_sm_configure(wpa_s->eapol,
56
-1, -1, atoi(value), -1);
57
} else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
58
eapol_sm_configure(wpa_s->eapol,
59
-1, -1, -1, atoi(value));
60
} else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
61
if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
64
} else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
66
if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
69
} else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
70
if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
79
static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
84
if (hwaddr_aton(addr, bssid)) {
85
wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
90
wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
91
rsn_preauth_deinit(wpa_s->wpa);
92
if (rsn_preauth_init(wpa_s->wpa, bssid, wpa_s->current_ssid))
100
/* MLME-STKSTART.request(peer) */
101
static int wpa_supplicant_ctrl_iface_stkstart(
102
struct wpa_supplicant *wpa_s, char *addr)
106
if (hwaddr_aton(addr, peer)) {
107
wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
108
"address '%s'", peer);
112
wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
115
return wpa_sm_stkstart(wpa_s->wpa, peer);
117
#endif /* CONFIG_PEERKEY */
120
static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
123
#ifdef IEEE8021X_EAPOL
126
struct wpa_ssid *ssid;
128
pos = os_strchr(rsp, '-');
133
pos = os_strchr(pos, ':');
138
wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
139
wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
140
(u8 *) pos, os_strlen(pos));
142
ssid = wpa_config_get_network(wpa_s->conf, id);
144
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
149
if (os_strcmp(rsp, "IDENTITY") == 0) {
150
os_free(ssid->identity);
151
ssid->identity = (u8 *) os_strdup(pos);
152
ssid->identity_len = os_strlen(pos);
153
ssid->pending_req_identity = 0;
154
if (ssid == wpa_s->current_ssid)
155
wpa_s->reassociate = 1;
156
} else if (os_strcmp(rsp, "PASSWORD") == 0) {
157
os_free(ssid->password);
158
ssid->password = (u8 *) os_strdup(pos);
159
ssid->password_len = os_strlen(pos);
160
ssid->pending_req_password = 0;
161
if (ssid == wpa_s->current_ssid)
162
wpa_s->reassociate = 1;
163
} else if (os_strcmp(rsp, "NEW_PASSWORD") == 0) {
164
os_free(ssid->new_password);
165
ssid->new_password = (u8 *) os_strdup(pos);
166
ssid->new_password_len = os_strlen(pos);
167
ssid->pending_req_new_password = 0;
168
if (ssid == wpa_s->current_ssid)
169
wpa_s->reassociate = 1;
170
} else if (os_strcmp(rsp, "PIN") == 0) {
172
ssid->pin = os_strdup(pos);
173
ssid->pending_req_pin = 0;
174
if (ssid == wpa_s->current_ssid)
175
wpa_s->reassociate = 1;
176
} else if (os_strcmp(rsp, "OTP") == 0) {
178
ssid->otp = (u8 *) os_strdup(pos);
179
ssid->otp_len = os_strlen(pos);
180
os_free(ssid->pending_req_otp);
181
ssid->pending_req_otp = NULL;
182
ssid->pending_req_otp_len = 0;
183
} else if (os_strcmp(rsp, "PASSPHRASE") == 0) {
184
os_free(ssid->private_key_passwd);
185
ssid->private_key_passwd = (u8 *) os_strdup(pos);
186
ssid->pending_req_passphrase = 0;
187
if (ssid == wpa_s->current_ssid)
188
wpa_s->reassociate = 1;
190
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown field '%s'", rsp);
195
#else /* IEEE8021X_EAPOL */
196
wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
198
#endif /* IEEE8021X_EAPOL */
202
static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
204
char *buf, size_t buflen)
206
char *pos, *end, tmp[30];
207
int res, verbose, ret;
209
verbose = os_strcmp(params, "-VERBOSE") == 0;
212
if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
213
struct wpa_ssid *ssid = wpa_s->current_ssid;
214
ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
215
MAC2STR(wpa_s->bssid));
216
if (ret < 0 || ret >= end - pos)
220
u8 *_ssid = ssid->ssid;
221
size_t ssid_len = ssid->ssid_len;
222
u8 ssid_buf[MAX_SSID_LEN];
224
int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
231
ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
232
wpa_ssid_txt(_ssid, ssid_len),
234
if (ret < 0 || ret >= end - pos)
239
ret = os_snprintf(pos, end - pos,
242
if (ret < 0 || ret >= end - pos)
248
pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
250
ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
251
wpa_supplicant_state_txt(wpa_s->wpa_state));
252
if (ret < 0 || ret >= end - pos)
257
l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
258
ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
259
if (ret < 0 || ret >= end - pos)
264
if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X ||
265
wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
266
res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
272
res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
280
static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
285
struct wpa_ssid *ssid;
288
/* cmd: "<network id> <BSSID>" */
289
pos = os_strchr(cmd, ' ');
294
wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
295
if (hwaddr_aton(pos, bssid)) {
296
wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
300
ssid = wpa_config_get_network(wpa_s->conf, id);
302
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
307
os_memcpy(ssid->bssid, bssid, ETH_ALEN);
309
os_memcmp(bssid, "\x00\x00\x00\x00\x00\x00", ETH_ALEN) != 0;
316
static int wpa_supplicant_ctrl_iface_list_networks(
317
struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
320
struct wpa_ssid *ssid;
325
ret = os_snprintf(pos, end - pos,
326
"network id / ssid / bssid / flags\n");
327
if (ret < 0 || ret >= end - pos)
331
ssid = wpa_s->conf->ssid;
333
ret = os_snprintf(pos, end - pos, "%d\t%s",
335
wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
336
if (ret < 0 || ret >= end - pos)
339
if (ssid->bssid_set) {
340
ret = os_snprintf(pos, end - pos, "\t" MACSTR,
341
MAC2STR(ssid->bssid));
343
ret = os_snprintf(pos, end - pos, "\tany");
345
if (ret < 0 || ret >= end - pos)
348
ret = os_snprintf(pos, end - pos, "\t%s%s",
349
ssid == wpa_s->current_ssid ?
351
ssid->disabled ? "[DISABLED]" : "");
352
if (ret < 0 || ret >= end - pos)
355
ret = os_snprintf(pos, end - pos, "\n");
356
if (ret < 0 || ret >= end - pos)
367
static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
370
ret = os_snprintf(pos, end - pos, "-");
371
if (ret < 0 || ret >= end - pos)
374
if (cipher & WPA_CIPHER_NONE) {
375
ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : "+");
376
if (ret < 0 || ret >= end - pos)
381
if (cipher & WPA_CIPHER_WEP40) {
382
ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : "+");
383
if (ret < 0 || ret >= end - pos)
388
if (cipher & WPA_CIPHER_WEP104) {
389
ret = os_snprintf(pos, end - pos, "%sWEP104",
391
if (ret < 0 || ret >= end - pos)
396
if (cipher & WPA_CIPHER_TKIP) {
397
ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : "+");
398
if (ret < 0 || ret >= end - pos)
403
if (cipher & WPA_CIPHER_CCMP) {
404
ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : "+");
405
if (ret < 0 || ret >= end - pos)
414
static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
415
const u8 *ie, size_t ie_len)
417
struct wpa_ie_data data;
420
ret = os_snprintf(pos, end - pos, "[%s-", proto);
421
if (ret < 0 || ret >= end - pos)
425
if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
426
ret = os_snprintf(pos, end - pos, "?]");
427
if (ret < 0 || ret >= end - pos)
434
if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
435
ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
436
if (ret < 0 || ret >= end - pos)
441
if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
442
ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
443
if (ret < 0 || ret >= end - pos)
448
if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
449
ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
450
if (ret < 0 || ret >= end - pos)
456
pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
458
if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
459
ret = os_snprintf(pos, end - pos, "-preauth");
460
if (ret < 0 || ret >= end - pos)
465
ret = os_snprintf(pos, end - pos, "]");
466
if (ret < 0 || ret >= end - pos)
474
static int wpa_supplicant_ctrl_iface_scan_results(
475
struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
478
struct wpa_scan_result *res;
481
if (wpa_s->scan_results == NULL &&
482
wpa_supplicant_get_scan_results(wpa_s) < 0)
484
if (wpa_s->scan_results == NULL)
489
ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
491
if (ret < 0 || ret >= end - pos)
495
for (i = 0; i < wpa_s->num_scan_results; i++) {
496
res = &wpa_s->scan_results[i];
497
ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
498
MAC2STR(res->bssid), res->freq, res->level);
499
if (ret < 0 || ret >= end - pos)
502
if (res->wpa_ie_len) {
503
pos = wpa_supplicant_ie_txt(pos, end, "WPA",
507
if (res->rsn_ie_len) {
508
pos = wpa_supplicant_ie_txt(pos, end, "WPA2",
512
if (!res->wpa_ie_len && !res->rsn_ie_len &&
513
res->caps & IEEE80211_CAP_PRIVACY) {
514
ret = os_snprintf(pos, end - pos, "[WEP]");
515
if (ret < 0 || ret >= end - pos)
519
if (res->caps & IEEE80211_CAP_IBSS) {
520
ret = os_snprintf(pos, end - pos, "[IBSS]");
521
if (ret < 0 || ret >= end - pos)
526
ret = os_snprintf(pos, end - pos, "\t%s",
527
wpa_ssid_txt(res->ssid, res->ssid_len));
528
if (ret < 0 || ret >= end - pos)
532
ret = os_snprintf(pos, end - pos, "\n");
533
if (ret < 0 || ret >= end - pos)
542
static int wpa_supplicant_ctrl_iface_select_network(
543
struct wpa_supplicant *wpa_s, char *cmd)
546
struct wpa_ssid *ssid;
548
/* cmd: "<network id>" or "any" */
549
if (os_strcmp(cmd, "any") == 0) {
550
wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
551
ssid = wpa_s->conf->ssid;
556
wpa_s->reassociate = 1;
557
wpa_supplicant_req_scan(wpa_s, 0, 0);
562
wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
564
ssid = wpa_config_get_network(wpa_s->conf, id);
566
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
571
if (ssid != wpa_s->current_ssid && wpa_s->current_ssid)
572
wpa_supplicant_disassociate(wpa_s, REASON_DEAUTH_LEAVING);
574
/* Mark all other networks disabled and trigger reassociation */
575
ssid = wpa_s->conf->ssid;
577
ssid->disabled = id != ssid->id;
580
wpa_s->reassociate = 1;
581
wpa_supplicant_req_scan(wpa_s, 0, 0);
587
static int wpa_supplicant_ctrl_iface_enable_network(
588
struct wpa_supplicant *wpa_s, char *cmd)
591
struct wpa_ssid *ssid;
593
/* cmd: "<network id>" */
595
wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
597
ssid = wpa_config_get_network(wpa_s->conf, id);
599
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
604
if (wpa_s->current_ssid == NULL && ssid->disabled) {
606
* Try to reassociate since there is no current configuration
607
* and a new network was made available. */
608
wpa_s->reassociate = 1;
609
wpa_supplicant_req_scan(wpa_s, 0, 0);
617
static int wpa_supplicant_ctrl_iface_disable_network(
618
struct wpa_supplicant *wpa_s, char *cmd)
621
struct wpa_ssid *ssid;
623
/* cmd: "<network id>" */
625
wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
627
ssid = wpa_config_get_network(wpa_s->conf, id);
629
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
634
if (ssid == wpa_s->current_ssid)
635
wpa_supplicant_disassociate(wpa_s, REASON_DEAUTH_LEAVING);
642
static int wpa_supplicant_ctrl_iface_add_network(
643
struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
645
struct wpa_ssid *ssid;
648
wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
650
ssid = wpa_config_add_network(wpa_s->conf);
654
wpa_config_set_network_defaults(ssid);
656
ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
657
if (ret < 0 || (size_t) ret >= buflen)
663
static int wpa_supplicant_ctrl_iface_remove_network(
664
struct wpa_supplicant *wpa_s, char *cmd)
667
struct wpa_ssid *ssid;
669
/* cmd: "<network id>" */
671
wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
673
ssid = wpa_config_get_network(wpa_s->conf, id);
675
wpa_config_remove_network(wpa_s->conf, id) < 0) {
676
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
681
if (ssid == wpa_s->current_ssid) {
683
* Invalidate the EAP session cache if the current network is
686
eapol_sm_invalidate_cached_session(wpa_s->eapol);
688
wpa_supplicant_disassociate(wpa_s, REASON_DEAUTH_LEAVING);
695
static int wpa_supplicant_ctrl_iface_set_network(
696
struct wpa_supplicant *wpa_s, char *cmd)
699
struct wpa_ssid *ssid;
702
/* cmd: "<network id> <variable name> <value>" */
703
name = os_strchr(cmd, ' ');
708
value = os_strchr(name, ' ');
714
wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
716
wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
717
(u8 *) value, os_strlen(value));
719
ssid = wpa_config_get_network(wpa_s->conf, id);
721
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
726
if (wpa_config_set(ssid, name, value, 0) < 0) {
727
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
728
"variable '%s'", name);
732
if (wpa_s->current_ssid == ssid) {
734
* Invalidate the EAP session cache if anything in the current
735
* configuration changes.
737
eapol_sm_invalidate_cached_session(wpa_s->eapol);
740
if ((os_strcmp(name, "psk") == 0 &&
741
value[0] == '"' && ssid->ssid_len) ||
742
(os_strcmp(name, "ssid") == 0 && ssid->passphrase))
743
wpa_config_update_psk(ssid);
749
static int wpa_supplicant_ctrl_iface_get_network(
750
struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
753
struct wpa_ssid *ssid;
756
/* cmd: "<network id> <variable name>" */
757
name = os_strchr(cmd, ' ');
758
if (name == NULL || buflen == 0)
763
wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
766
ssid = wpa_config_get_network(wpa_s->conf, id);
768
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
773
value = wpa_config_get_no_key(ssid, name);
775
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
776
"variable '%s'", name);
780
os_snprintf(buf, buflen, "%s", value);
781
buf[buflen - 1] = '\0';
785
return os_strlen(buf);
789
static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
793
if (!wpa_s->conf->update_config) {
794
wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
795
"to update configuration (update_config=0)");
799
ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
801
wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
802
"update configuration");
804
wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
812
static int wpa_supplicant_ctrl_iface_get_capability(
813
struct wpa_supplicant *wpa_s, const char *_field, char *buf,
816
struct wpa_driver_capa capa;
817
int res, first = 1, ret;
818
char *pos, *end, *strict;
821
/* Determine whether or not strict checking was requested */
822
os_snprintf(field, sizeof(field), "%s", _field);
823
field[sizeof(field) - 1] = '\0';
824
strict = os_strchr(field, ' ');
825
if (strict != NULL) {
827
if (os_strcmp(strict, "strict") != 0)
831
wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
832
field, strict ? strict : "");
834
if (os_strcmp(field, "eap") == 0) {
835
return eap_get_names(buf, buflen);
838
res = wpa_drv_get_capa(wpa_s, &capa);
843
if (os_strcmp(field, "pairwise") == 0) {
847
ret = os_snprintf(buf, buflen, "CCMP TKIP NONE");
848
if (ret < 0 || (size_t) ret >= buflen)
853
if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) {
854
ret = os_snprintf(pos, end - pos, "%sCCMP",
856
if (ret < 0 || ret >= end - pos)
862
if (capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) {
863
ret = os_snprintf(pos, end - pos, "%sTKIP",
865
if (ret < 0 || ret >= end - pos)
871
if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
872
ret = os_snprintf(pos, end - pos, "%sNONE",
874
if (ret < 0 || ret >= end - pos)
883
if (os_strcmp(field, "group") == 0) {
887
ret = os_snprintf(buf, buflen,
888
"CCMP TKIP WEP104 WEP40");
889
if (ret < 0 || (size_t) ret >= buflen)
894
if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) {
895
ret = os_snprintf(pos, end - pos, "%sCCMP",
897
if (ret < 0 || ret >= end - pos)
903
if (capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) {
904
ret = os_snprintf(pos, end - pos, "%sTKIP",
906
if (ret < 0 || ret >= end - pos)
912
if (capa.enc & WPA_DRIVER_CAPA_ENC_WEP104) {
913
ret = os_snprintf(pos, end - pos, "%sWEP104",
915
if (ret < 0 || ret >= end - pos)
921
if (capa.enc & WPA_DRIVER_CAPA_ENC_WEP40) {
922
ret = os_snprintf(pos, end - pos, "%sWEP40",
924
if (ret < 0 || ret >= end - pos)
933
if (os_strcmp(field, "key_mgmt") == 0) {
937
ret = os_snprintf(buf, buflen, "WPA-PSK WPA-EAP "
938
"IEEE8021X WPA-NONE NONE");
939
if (ret < 0 || (size_t) ret >= buflen)
944
ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
945
if (ret < 0 || ret >= end - pos)
949
if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
950
WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
951
ret = os_snprintf(pos, end - pos, " WPA-EAP");
952
if (ret < 0 || ret >= end - pos)
957
if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
958
WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
959
ret = os_snprintf(pos, end - pos, " WPA-PSK");
960
if (ret < 0 || ret >= end - pos)
965
if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
966
ret = os_snprintf(pos, end - pos, " WPA-NONE");
967
if (ret < 0 || ret >= end - pos)
975
if (os_strcmp(field, "proto") == 0) {
979
ret = os_snprintf(buf, buflen, "RSN WPA");
980
if (ret < 0 || (size_t) ret >= buflen)
985
if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
986
WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
987
ret = os_snprintf(pos, end - pos, "%sRSN",
989
if (ret < 0 || ret >= end - pos)
995
if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
996
WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
997
ret = os_snprintf(pos, end - pos, "%sWPA",
999
if (ret < 0 || ret >= end - pos)
1008
if (os_strcmp(field, "auth_alg") == 0) {
1012
ret = os_snprintf(buf, buflen, "OPEN SHARED LEAP");
1013
if (ret < 0 || (size_t) ret >= buflen)
1018
if (capa.auth & (WPA_DRIVER_AUTH_OPEN)) {
1019
ret = os_snprintf(pos, end - pos, "%sOPEN",
1021
if (ret < 0 || ret >= end - pos)
1027
if (capa.auth & (WPA_DRIVER_AUTH_SHARED)) {
1028
ret = os_snprintf(pos, end - pos, "%sSHARED",
1030
if (ret < 0 || ret >= end - pos)
1036
if (capa.auth & (WPA_DRIVER_AUTH_LEAP)) {
1037
ret = os_snprintf(pos, end - pos, "%sLEAP",
1039
if (ret < 0 || ret >= end - pos)
1048
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
1055
static int wpa_supplicant_ctrl_iface_ap_scan(
1056
struct wpa_supplicant *wpa_s, char *cmd)
1058
int ap_scan = atoi(cmd);
1060
if (ap_scan < 0 || ap_scan > 2)
1062
wpa_s->conf->ap_scan = ap_scan;
1067
char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
1068
char *buf, size_t *resp_len)
1071
const int reply_size = 2048;
1075
if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
1076
os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
1077
wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
1078
(const u8 *) buf, os_strlen(buf));
1080
wpa_hexdump_ascii(MSG_DEBUG, "RX ctrl_iface",
1081
(const u8 *) buf, os_strlen(buf));
1084
reply = os_malloc(reply_size);
1085
if (reply == NULL) {
1090
os_memcpy(reply, "OK\n", 3);
1093
if (os_strcmp(buf, "PING") == 0) {
1094
os_memcpy(reply, "PONG\n", 5);
1096
} else if (os_strcmp(buf, "MIB") == 0) {
1097
reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
1098
if (reply_len >= 0) {
1100
res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
1101
reply_size - reply_len);
1107
} else if (os_strncmp(buf, "STATUS", 6) == 0) {
1108
reply_len = wpa_supplicant_ctrl_iface_status(
1109
wpa_s, buf + 6, reply, reply_size);
1110
} else if (os_strcmp(buf, "PMKSA") == 0) {
1111
reply_len = pmksa_cache_list(wpa_s->wpa, reply, reply_size);
1112
} else if (os_strncmp(buf, "SET ", 4) == 0) {
1113
if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
1115
} else if (os_strcmp(buf, "LOGON") == 0) {
1116
eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
1117
} else if (os_strcmp(buf, "LOGOFF") == 0) {
1118
eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
1119
} else if (os_strcmp(buf, "REASSOCIATE") == 0) {
1120
wpa_s->disconnected = 0;
1121
wpa_s->reassociate = 1;
1122
wpa_supplicant_req_scan(wpa_s, 0, 0);
1123
} else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
1124
if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
1126
#ifdef CONFIG_PEERKEY
1127
} else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
1128
if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
1130
#endif /* CONFIG_PEERKEY */
1131
} else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
1133
if (wpa_supplicant_ctrl_iface_ctrl_rsp(
1134
wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
1138
} else if (os_strcmp(buf, "RECONFIGURE") == 0) {
1139
if (wpa_supplicant_reload_configuration(wpa_s))
1141
} else if (os_strcmp(buf, "TERMINATE") == 0) {
1143
} else if (os_strncmp(buf, "BSSID ", 6) == 0) {
1144
if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
1146
} else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
1147
reply_len = wpa_supplicant_ctrl_iface_list_networks(
1148
wpa_s, reply, reply_size);
1149
} else if (os_strcmp(buf, "DISCONNECT") == 0) {
1150
wpa_s->disconnected = 1;
1151
wpa_supplicant_disassociate(wpa_s, REASON_DEAUTH_LEAVING);
1152
} else if (os_strcmp(buf, "SCAN") == 0) {
1153
wpa_s->scan_req = 2;
1154
wpa_supplicant_req_scan(wpa_s, 0, 0);
1155
} else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
1156
reply_len = wpa_supplicant_ctrl_iface_scan_results(
1157
wpa_s, reply, reply_size);
1158
} else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
1159
if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
1161
} else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
1162
if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
1164
} else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
1165
if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
1167
} else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
1168
reply_len = wpa_supplicant_ctrl_iface_add_network(
1169
wpa_s, reply, reply_size);
1170
} else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
1171
if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
1173
} else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
1174
if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
1176
} else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
1177
reply_len = wpa_supplicant_ctrl_iface_get_network(
1178
wpa_s, buf + 12, reply, reply_size);
1179
} else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
1180
if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
1182
} else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
1183
reply_len = wpa_supplicant_ctrl_iface_get_capability(
1184
wpa_s, buf + 15, reply, reply_size);
1185
} else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
1186
if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
1188
} else if (os_strcmp(buf, "INTERFACES") == 0) {
1189
reply_len = wpa_supplicant_global_iface_interfaces(
1190
wpa_s->global, reply, reply_size);
1192
os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
1196
if (reply_len < 0) {
1197
os_memcpy(reply, "FAIL\n", 5);
1202
eapol_sm_notify_ctrl_response(wpa_s->eapol);
1204
*resp_len = reply_len;
1209
static int wpa_supplicant_global_iface_add(struct wpa_global *global,
1212
struct wpa_interface iface;
1216
* <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
1217
* TAB<bridge_ifname>
1219
wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
1221
os_memset(&iface, 0, sizeof(iface));
1224
iface.ifname = pos = cmd;
1225
pos = os_strchr(pos, '\t');
1228
if (iface.ifname[0] == '\0')
1233
iface.confname = pos;
1234
pos = os_strchr(pos, '\t');
1237
if (iface.confname[0] == '\0')
1238
iface.confname = NULL;
1243
pos = os_strchr(pos, '\t');
1246
if (iface.driver[0] == '\0')
1247
iface.driver = NULL;
1251
iface.ctrl_interface = pos;
1252
pos = os_strchr(pos, '\t');
1255
if (iface.ctrl_interface[0] == '\0')
1256
iface.ctrl_interface = NULL;
1260
iface.driver_param = pos;
1261
pos = os_strchr(pos, '\t');
1264
if (iface.driver_param[0] == '\0')
1265
iface.driver_param = NULL;
1269
iface.bridge_ifname = pos;
1270
pos = os_strchr(pos, '\t');
1273
if (iface.bridge_ifname[0] == '\0')
1274
iface.bridge_ifname = NULL;
1279
if (wpa_supplicant_get_iface(global, iface.ifname))
1282
return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
1286
static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
1289
struct wpa_supplicant *wpa_s;
1291
wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
1293
wpa_s = wpa_supplicant_get_iface(global, cmd);
1296
return wpa_supplicant_remove_iface(global, wpa_s);
1300
static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
1305
struct wpa_supplicant *wpa_s;
1307
wpa_s = global->ifaces;
1312
res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
1313
if (res < 0 || res >= end - pos) {
1318
wpa_s = wpa_s->next;
1324
char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
1325
char *buf, size_t *resp_len)
1328
const int reply_size = 2048;
1331
wpa_hexdump_ascii(MSG_DEBUG, "RX global ctrl_iface",
1332
(const u8 *) buf, os_strlen(buf));
1334
reply = os_malloc(reply_size);
1335
if (reply == NULL) {
1340
os_memcpy(reply, "OK\n", 3);
1343
if (os_strcmp(buf, "PING") == 0) {
1344
os_memcpy(reply, "PONG\n", 5);
1346
} else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
1347
if (wpa_supplicant_global_iface_add(global, buf + 14))
1349
} else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
1350
if (wpa_supplicant_global_iface_remove(global, buf + 17))
1352
} else if (os_strcmp(buf, "INTERFACES") == 0) {
1353
reply_len = wpa_supplicant_global_iface_interfaces(
1354
global, reply, reply_size);
1355
} else if (os_strcmp(buf, "TERMINATE") == 0) {
1358
os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
1362
if (reply_len < 0) {
1363
os_memcpy(reply, "FAIL\n", 5);
1367
*resp_len = reply_len;