2 * WPA Supplicant / Control interface (shared code for all backends)
3 * Copyright (c) 2004-2008, 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.
21 #include "eapol_supp/eapol_supp_sm.h"
22 #include "wpa_supplicant_i.h"
24 #include "ctrl_iface.h"
25 #include "l2_packet/l2_packet.h"
27 #include "pmksa_cache.h"
29 #include "eap_peer/eap.h"
30 #include "ieee802_11_defs.h"
31 #include "wps_supplicant.h"
35 extern struct wpa_driver_ops *wpa_supplicant_drivers[];
37 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
39 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
43 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
49 value = os_strchr(cmd, ' ');
54 wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
55 if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
56 eapol_sm_configure(wpa_s->eapol,
57 atoi(value), -1, -1, -1);
58 } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
59 eapol_sm_configure(wpa_s->eapol,
60 -1, atoi(value), -1, -1);
61 } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
62 eapol_sm_configure(wpa_s->eapol,
63 -1, -1, atoi(value), -1);
64 } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
65 eapol_sm_configure(wpa_s->eapol,
66 -1, -1, -1, atoi(value));
67 } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
68 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
71 } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
73 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
76 } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
77 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
86 #ifdef IEEE8021X_EAPOL
87 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
91 struct wpa_ssid *ssid = wpa_s->current_ssid;
93 if (hwaddr_aton(addr, bssid)) {
94 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
99 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
100 rsn_preauth_deinit(wpa_s->wpa);
101 if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
106 #endif /* IEEE8021X_EAPOL */
109 #ifdef CONFIG_PEERKEY
110 /* MLME-STKSTART.request(peer) */
111 static int wpa_supplicant_ctrl_iface_stkstart(
112 struct wpa_supplicant *wpa_s, char *addr)
116 if (hwaddr_aton(addr, peer)) {
117 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
118 "address '%s'", peer);
122 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
125 return wpa_sm_stkstart(wpa_s->wpa, peer);
127 #endif /* CONFIG_PEERKEY */
130 #ifdef CONFIG_IEEE80211R
131 static int wpa_supplicant_ctrl_iface_ft_ds(
132 struct wpa_supplicant *wpa_s, char *addr)
134 u8 target_ap[ETH_ALEN];
136 if (hwaddr_aton(addr, target_ap)) {
137 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
138 "address '%s'", target_ap);
142 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
144 return wpa_ft_start_over_ds(wpa_s->wpa, target_ap);
146 #endif /* CONFIG_IEEE80211R */
150 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
155 if (cmd == NULL || os_strcmp(cmd, "any") == 0)
156 return wpas_wps_start_pbc(wpa_s, NULL);
158 if (hwaddr_aton(cmd, bssid)) {
159 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
164 return wpas_wps_start_pbc(wpa_s, bssid);
168 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
169 char *cmd, char *buf,
172 u8 bssid[ETH_ALEN], *_bssid = bssid;
176 pin = os_strchr(cmd, ' ');
180 if (os_strcmp(cmd, "any") == 0)
182 else if (hwaddr_aton(cmd, bssid)) {
183 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
189 ret = wpas_wps_start_pin(wpa_s, _bssid, pin);
192 ret = os_snprintf(buf, buflen, "%s", pin);
193 if (ret < 0 || (size_t) ret >= buflen)
198 ret = wpas_wps_start_pin(wpa_s, _bssid, NULL);
202 /* Return the generated PIN */
203 ret = os_snprintf(buf, buflen, "%08d", ret);
204 if (ret < 0 || (size_t) ret >= buflen)
210 #ifdef CONFIG_WPS_OOB
211 static int wpa_supplicant_ctrl_iface_wps_oob(struct wpa_supplicant *wpa_s,
214 char *path, *method, *name;
216 path = os_strchr(cmd, ' ');
221 method = os_strchr(path, ' ');
226 name = os_strchr(method, ' ');
230 return wpas_wps_start_oob(wpa_s, cmd, path, method, name);
232 #endif /* CONFIG_WPS_OOB */
235 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
238 u8 bssid[ETH_ALEN], *_bssid = bssid;
241 pin = os_strchr(cmd, ' ');
246 if (os_strcmp(cmd, "any") == 0)
248 else if (hwaddr_aton(cmd, bssid)) {
249 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
254 return wpas_wps_start_reg(wpa_s, _bssid, pin);
256 #endif /* CONFIG_WPS */
259 #ifdef CONFIG_IBSS_RSN
260 static int wpa_supplicant_ctrl_iface_ibss_rsn(
261 struct wpa_supplicant *wpa_s, char *addr)
265 if (hwaddr_aton(addr, peer)) {
266 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
267 "address '%s'", peer);
271 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
274 return ibss_rsn_start(wpa_s->ibss_rsn, peer);
276 #endif /* CONFIG_IBSS_RSN */
279 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
282 #ifdef IEEE8021X_EAPOL
285 struct wpa_ssid *ssid;
286 struct eap_peer_config *eap;
288 pos = os_strchr(rsp, '-');
293 pos = os_strchr(pos, ':');
298 wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
299 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
300 (u8 *) pos, os_strlen(pos));
302 ssid = wpa_config_get_network(wpa_s->conf, id);
304 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
310 if (os_strcmp(rsp, "IDENTITY") == 0) {
311 os_free(eap->identity);
312 eap->identity = (u8 *) os_strdup(pos);
313 eap->identity_len = os_strlen(pos);
314 eap->pending_req_identity = 0;
315 if (ssid == wpa_s->current_ssid)
316 wpa_s->reassociate = 1;
317 } else if (os_strcmp(rsp, "PASSWORD") == 0) {
318 os_free(eap->password);
319 eap->password = (u8 *) os_strdup(pos);
320 eap->password_len = os_strlen(pos);
321 eap->pending_req_password = 0;
322 if (ssid == wpa_s->current_ssid)
323 wpa_s->reassociate = 1;
324 } else if (os_strcmp(rsp, "NEW_PASSWORD") == 0) {
325 os_free(eap->new_password);
326 eap->new_password = (u8 *) os_strdup(pos);
327 eap->new_password_len = os_strlen(pos);
328 eap->pending_req_new_password = 0;
329 if (ssid == wpa_s->current_ssid)
330 wpa_s->reassociate = 1;
331 } else if (os_strcmp(rsp, "PIN") == 0) {
333 eap->pin = os_strdup(pos);
334 eap->pending_req_pin = 0;
335 if (ssid == wpa_s->current_ssid)
336 wpa_s->reassociate = 1;
337 } else if (os_strcmp(rsp, "OTP") == 0) {
339 eap->otp = (u8 *) os_strdup(pos);
340 eap->otp_len = os_strlen(pos);
341 os_free(eap->pending_req_otp);
342 eap->pending_req_otp = NULL;
343 eap->pending_req_otp_len = 0;
344 } else if (os_strcmp(rsp, "PASSPHRASE") == 0) {
345 os_free(eap->private_key_passwd);
346 eap->private_key_passwd = (u8 *) os_strdup(pos);
347 eap->pending_req_passphrase = 0;
348 if (ssid == wpa_s->current_ssid)
349 wpa_s->reassociate = 1;
351 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown field '%s'", rsp);
356 #else /* IEEE8021X_EAPOL */
357 wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
359 #endif /* IEEE8021X_EAPOL */
363 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
365 char *buf, size_t buflen)
367 char *pos, *end, tmp[30];
368 int res, verbose, ret;
370 verbose = os_strcmp(params, "-VERBOSE") == 0;
373 if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
374 struct wpa_ssid *ssid = wpa_s->current_ssid;
375 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
376 MAC2STR(wpa_s->bssid));
377 if (ret < 0 || ret >= end - pos)
381 u8 *_ssid = ssid->ssid;
382 size_t ssid_len = ssid->ssid_len;
383 u8 ssid_buf[MAX_SSID_LEN];
385 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
392 ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
393 wpa_ssid_txt(_ssid, ssid_len),
395 if (ret < 0 || ret >= end - pos)
400 ret = os_snprintf(pos, end - pos,
403 if (ret < 0 || ret >= end - pos)
409 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
411 ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
412 wpa_supplicant_state_txt(wpa_s->wpa_state));
413 if (ret < 0 || ret >= end - pos)
418 l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
419 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
420 if (ret < 0 || ret >= end - pos)
425 if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
426 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
427 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
433 res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
441 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
446 struct wpa_ssid *ssid;
449 /* cmd: "<network id> <BSSID>" */
450 pos = os_strchr(cmd, ' ');
455 wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
456 if (hwaddr_aton(pos, bssid)) {
457 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
461 ssid = wpa_config_get_network(wpa_s->conf, id);
463 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
468 os_memcpy(ssid->bssid, bssid, ETH_ALEN);
469 ssid->bssid_set = !is_zero_ether_addr(bssid);
475 static int wpa_supplicant_ctrl_iface_list_networks(
476 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
479 struct wpa_ssid *ssid;
484 ret = os_snprintf(pos, end - pos,
485 "network id / ssid / bssid / flags\n");
486 if (ret < 0 || ret >= end - pos)
490 ssid = wpa_s->conf->ssid;
492 ret = os_snprintf(pos, end - pos, "%d\t%s",
494 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
495 if (ret < 0 || ret >= end - pos)
498 if (ssid->bssid_set) {
499 ret = os_snprintf(pos, end - pos, "\t" MACSTR,
500 MAC2STR(ssid->bssid));
502 ret = os_snprintf(pos, end - pos, "\tany");
504 if (ret < 0 || ret >= end - pos)
507 ret = os_snprintf(pos, end - pos, "\t%s%s",
508 ssid == wpa_s->current_ssid ?
510 ssid->disabled ? "[DISABLED]" : "");
511 if (ret < 0 || ret >= end - pos)
514 ret = os_snprintf(pos, end - pos, "\n");
515 if (ret < 0 || ret >= end - pos)
526 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
529 ret = os_snprintf(pos, end - pos, "-");
530 if (ret < 0 || ret >= end - pos)
533 if (cipher & WPA_CIPHER_NONE) {
534 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : "+");
535 if (ret < 0 || ret >= end - pos)
540 if (cipher & WPA_CIPHER_WEP40) {
541 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : "+");
542 if (ret < 0 || ret >= end - pos)
547 if (cipher & WPA_CIPHER_WEP104) {
548 ret = os_snprintf(pos, end - pos, "%sWEP104",
550 if (ret < 0 || ret >= end - pos)
555 if (cipher & WPA_CIPHER_TKIP) {
556 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : "+");
557 if (ret < 0 || ret >= end - pos)
562 if (cipher & WPA_CIPHER_CCMP) {
563 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : "+");
564 if (ret < 0 || ret >= end - pos)
573 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
574 const u8 *ie, size_t ie_len)
576 struct wpa_ie_data data;
579 ret = os_snprintf(pos, end - pos, "[%s-", proto);
580 if (ret < 0 || ret >= end - pos)
584 if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
585 ret = os_snprintf(pos, end - pos, "?]");
586 if (ret < 0 || ret >= end - pos)
593 if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
594 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
595 if (ret < 0 || ret >= end - pos)
600 if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
601 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
602 if (ret < 0 || ret >= end - pos)
607 if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
608 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
609 if (ret < 0 || ret >= end - pos)
614 #ifdef CONFIG_IEEE80211R
615 if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
616 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
618 if (ret < 0 || ret >= end - pos)
623 if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
624 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
626 if (ret < 0 || ret >= end - pos)
631 #endif /* CONFIG_IEEE80211R */
632 #ifdef CONFIG_IEEE80211W
633 if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
634 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
636 if (ret < 0 || ret >= end - pos)
641 if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
642 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
644 if (ret < 0 || ret >= end - pos)
649 #endif /* CONFIG_IEEE80211W */
651 pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
653 if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
654 ret = os_snprintf(pos, end - pos, "-preauth");
655 if (ret < 0 || ret >= end - pos)
660 ret = os_snprintf(pos, end - pos, "]");
661 if (ret < 0 || ret >= end - pos)
668 static char * wpa_supplicant_wps_ie_txt(char *pos, char *end,
669 const struct wpa_scan_res *res)
672 struct wpabuf *wps_ie;
676 wps_ie = wpa_scan_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE);
680 if (wps_is_selected_pbc_registrar(wps_ie))
682 else if (wps_is_selected_pin_registrar(wps_ie))
687 ret = os_snprintf(pos, end - pos, "%s", txt);
688 if (ret >= 0 && ret < end - pos)
691 #endif /* CONFIG_WPS */
697 /* Format one result on one text line into a buffer. */
698 static int wpa_supplicant_ctrl_iface_scan_result(
699 const struct wpa_scan_res *res, char *buf, size_t buflen)
708 ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
709 MAC2STR(res->bssid), res->freq, res->level);
710 if (ret < 0 || ret >= end - pos)
713 ie = wpa_scan_get_vendor_ie(res, WPA_IE_VENDOR_TYPE);
715 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
716 ie2 = wpa_scan_get_ie(res, WLAN_EID_RSN);
718 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
719 pos = wpa_supplicant_wps_ie_txt(pos, end, res);
720 if (!ie && !ie2 && res->caps & IEEE80211_CAP_PRIVACY) {
721 ret = os_snprintf(pos, end - pos, "[WEP]");
722 if (ret < 0 || ret >= end - pos)
726 if (res->caps & IEEE80211_CAP_IBSS) {
727 ret = os_snprintf(pos, end - pos, "[IBSS]");
728 if (ret < 0 || ret >= end - pos)
733 ie = wpa_scan_get_ie(res, WLAN_EID_SSID);
734 ret = os_snprintf(pos, end - pos, "\t%s",
735 ie ? wpa_ssid_txt(ie + 2, ie[1]) : "");
736 if (ret < 0 || ret >= end - pos)
740 ret = os_snprintf(pos, end - pos, "\n");
741 if (ret < 0 || ret >= end - pos)
749 static int wpa_supplicant_ctrl_iface_scan_results(
750 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
753 struct wpa_scan_res *res;
757 if (wpa_s->scan_res == NULL &&
758 wpa_supplicant_get_scan_results(wpa_s) < 0)
763 ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
765 if (ret < 0 || ret >= end - pos)
769 for (i = 0; i < wpa_s->scan_res->num; i++) {
770 res = wpa_s->scan_res->res[i];
771 ret = wpa_supplicant_ctrl_iface_scan_result(res, pos,
773 if (ret < 0 || ret >= end - pos)
782 static int wpa_supplicant_ctrl_iface_select_network(
783 struct wpa_supplicant *wpa_s, char *cmd)
786 struct wpa_ssid *ssid;
788 /* cmd: "<network id>" or "any" */
789 if (os_strcmp(cmd, "any") == 0) {
790 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
791 ssid = wpa_s->conf->ssid;
796 wpa_s->reassociate = 1;
797 wpa_supplicant_req_scan(wpa_s, 0, 0);
802 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
804 ssid = wpa_config_get_network(wpa_s->conf, id);
806 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
811 if (ssid != wpa_s->current_ssid && wpa_s->current_ssid)
812 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
814 /* Mark all other networks disabled and trigger reassociation */
815 ssid = wpa_s->conf->ssid;
817 ssid->disabled = id != ssid->id;
820 wpa_s->reassociate = 1;
821 wpa_supplicant_req_scan(wpa_s, 0, 0);
827 static int wpa_supplicant_ctrl_iface_enable_network(
828 struct wpa_supplicant *wpa_s, char *cmd)
831 struct wpa_ssid *ssid;
833 /* cmd: "<network id>" or "all" */
834 if (os_strcmp(cmd, "all") == 0) {
835 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
836 ssid = wpa_s->conf->ssid;
838 if (ssid == wpa_s->current_ssid && ssid->disabled)
839 wpa_s->reassociate = 1;
843 if (wpa_s->reassociate)
844 wpa_supplicant_req_scan(wpa_s, 0, 0);
849 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
851 ssid = wpa_config_get_network(wpa_s->conf, id);
853 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
858 if (wpa_s->current_ssid == NULL && ssid->disabled) {
860 * Try to reassociate since there is no current configuration
861 * and a new network was made available. */
862 wpa_s->reassociate = 1;
863 wpa_supplicant_req_scan(wpa_s, 0, 0);
871 static int wpa_supplicant_ctrl_iface_disable_network(
872 struct wpa_supplicant *wpa_s, char *cmd)
875 struct wpa_ssid *ssid;
877 /* cmd: "<network id>" or "all" */
878 if (os_strcmp(cmd, "all") == 0) {
879 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
880 ssid = wpa_s->conf->ssid;
885 if (wpa_s->current_ssid)
886 wpa_supplicant_disassociate(wpa_s,
887 WLAN_REASON_DEAUTH_LEAVING);
892 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
894 ssid = wpa_config_get_network(wpa_s->conf, id);
896 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
901 if (ssid == wpa_s->current_ssid)
902 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
909 static int wpa_supplicant_ctrl_iface_add_network(
910 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
912 struct wpa_ssid *ssid;
915 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
917 ssid = wpa_config_add_network(wpa_s->conf);
921 wpa_config_set_network_defaults(ssid);
923 ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
924 if (ret < 0 || (size_t) ret >= buflen)
930 static int wpa_supplicant_ctrl_iface_remove_network(
931 struct wpa_supplicant *wpa_s, char *cmd)
934 struct wpa_ssid *ssid;
936 /* cmd: "<network id>" or "all" */
937 if (os_strcmp(cmd, "all") == 0) {
938 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
939 ssid = wpa_s->conf->ssid;
943 wpa_config_remove_network(wpa_s->conf, id);
945 if (wpa_s->current_ssid) {
946 eapol_sm_invalidate_cached_session(wpa_s->eapol);
947 wpa_supplicant_disassociate(wpa_s,
948 WLAN_REASON_DEAUTH_LEAVING);
954 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
956 ssid = wpa_config_get_network(wpa_s->conf, id);
958 wpa_config_remove_network(wpa_s->conf, id) < 0) {
959 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
964 if (ssid == wpa_s->current_ssid) {
966 * Invalidate the EAP session cache if the current network is
969 eapol_sm_invalidate_cached_session(wpa_s->eapol);
971 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
978 static int wpa_supplicant_ctrl_iface_set_network(
979 struct wpa_supplicant *wpa_s, char *cmd)
982 struct wpa_ssid *ssid;
985 /* cmd: "<network id> <variable name> <value>" */
986 name = os_strchr(cmd, ' ');
991 value = os_strchr(name, ' ');
997 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
999 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1000 (u8 *) value, os_strlen(value));
1002 ssid = wpa_config_get_network(wpa_s->conf, id);
1004 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
1009 if (wpa_config_set(ssid, name, value, 0) < 0) {
1010 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
1011 "variable '%s'", name);
1015 if (wpa_s->current_ssid == ssid) {
1017 * Invalidate the EAP session cache if anything in the current
1018 * configuration changes.
1020 eapol_sm_invalidate_cached_session(wpa_s->eapol);
1023 if ((os_strcmp(name, "psk") == 0 &&
1024 value[0] == '"' && ssid->ssid_len) ||
1025 (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
1026 wpa_config_update_psk(ssid);
1032 static int wpa_supplicant_ctrl_iface_get_network(
1033 struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
1037 struct wpa_ssid *ssid;
1040 /* cmd: "<network id> <variable name>" */
1041 name = os_strchr(cmd, ' ');
1042 if (name == NULL || buflen == 0)
1047 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
1050 ssid = wpa_config_get_network(wpa_s->conf, id);
1052 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
1057 value = wpa_config_get_no_key(ssid, name);
1058 if (value == NULL) {
1059 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
1060 "variable '%s'", name);
1064 res = os_strlcpy(buf, value, buflen);
1065 if (res >= buflen) {
1076 #ifndef CONFIG_NO_CONFIG_WRITE
1077 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
1081 if (!wpa_s->conf->update_config) {
1082 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
1083 "to update configuration (update_config=0)");
1087 ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
1089 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
1090 "update configuration");
1092 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
1098 #endif /* CONFIG_NO_CONFIG_WRITE */
1101 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
1102 struct wpa_driver_capa *capa,
1103 char *buf, size_t buflen)
1115 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
1121 if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
1122 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
1123 if (ret < 0 || ret >= end - pos)
1129 if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
1130 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
1131 if (ret < 0 || ret >= end - pos)
1137 if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
1138 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
1139 if (ret < 0 || ret >= end - pos)
1149 static int ctrl_iface_get_capability_group(int res, char *strict,
1150 struct wpa_driver_capa *capa,
1151 char *buf, size_t buflen)
1163 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
1169 if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
1170 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
1171 if (ret < 0 || ret >= end - pos)
1177 if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
1178 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
1179 if (ret < 0 || ret >= end - pos)
1185 if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP104) {
1186 ret = os_snprintf(pos, end - pos, "%sWEP104",
1188 if (ret < 0 || ret >= end - pos)
1194 if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
1195 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
1196 if (ret < 0 || ret >= end - pos)
1206 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
1207 struct wpa_driver_capa *capa,
1208 char *buf, size_t buflen)
1220 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
1227 ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
1228 if (ret < 0 || ret >= end - pos)
1232 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1233 WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
1234 ret = os_snprintf(pos, end - pos, " WPA-EAP");
1235 if (ret < 0 || ret >= end - pos)
1240 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
1241 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
1242 ret = os_snprintf(pos, end - pos, " WPA-PSK");
1243 if (ret < 0 || ret >= end - pos)
1248 if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
1249 ret = os_snprintf(pos, end - pos, " WPA-NONE");
1250 if (ret < 0 || ret >= end - pos)
1259 static int ctrl_iface_get_capability_proto(int res, char *strict,
1260 struct wpa_driver_capa *capa,
1261 char *buf, size_t buflen)
1273 len = os_strlcpy(buf, "RSN WPA", buflen);
1279 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
1280 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
1281 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
1282 if (ret < 0 || ret >= end - pos)
1288 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1289 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
1290 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
1291 if (ret < 0 || ret >= end - pos)
1301 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
1302 struct wpa_driver_capa *capa,
1303 char *buf, size_t buflen)
1315 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
1321 if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
1322 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
1323 if (ret < 0 || ret >= end - pos)
1329 if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
1330 ret = os_snprintf(pos, end - pos, "%sSHARED",
1332 if (ret < 0 || ret >= end - pos)
1338 if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
1339 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
1340 if (ret < 0 || ret >= end - pos)
1350 static int wpa_supplicant_ctrl_iface_get_capability(
1351 struct wpa_supplicant *wpa_s, const char *_field, char *buf,
1354 struct wpa_driver_capa capa;
1360 /* Determine whether or not strict checking was requested */
1361 len = os_strlcpy(field, _field, sizeof(field));
1362 if (len >= sizeof(field))
1364 strict = os_strchr(field, ' ');
1365 if (strict != NULL) {
1367 if (os_strcmp(strict, "strict") != 0)
1371 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
1372 field, strict ? strict : "");
1374 if (os_strcmp(field, "eap") == 0) {
1375 return eap_get_names(buf, buflen);
1378 res = wpa_drv_get_capa(wpa_s, &capa);
1380 if (os_strcmp(field, "pairwise") == 0)
1381 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
1384 if (os_strcmp(field, "group") == 0)
1385 return ctrl_iface_get_capability_group(res, strict, &capa,
1388 if (os_strcmp(field, "key_mgmt") == 0)
1389 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
1392 if (os_strcmp(field, "proto") == 0)
1393 return ctrl_iface_get_capability_proto(res, strict, &capa,
1396 if (os_strcmp(field, "auth_alg") == 0)
1397 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
1400 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
1407 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
1408 const char *cmd, char *buf,
1413 struct wpa_scan_results *results;
1414 struct wpa_scan_res *bss;
1419 if (wpa_s->scan_res == NULL &&
1420 wpa_supplicant_get_scan_results(wpa_s) < 0)
1423 results = wpa_s->scan_res;
1424 if (results == NULL)
1427 if (hwaddr_aton(cmd, bssid) == 0) {
1428 for (i = 0; i < results->num; i++) {
1429 if (os_memcmp(bssid, results->res[i]->bssid, ETH_ALEN)
1436 if (i >= results->num || results->res[i] == NULL)
1437 return 0; /* no match found */
1439 bss = results->res[i];
1442 ret = os_snprintf(pos, end - pos,
1443 "bssid=" MACSTR "\n"
1446 "capabilities=0x%04x\n"
1452 MAC2STR(bss->bssid), bss->freq, bss->beacon_int,
1453 bss->caps, bss->qual, bss->noise, bss->level,
1454 (unsigned long long) bss->tsf);
1455 if (ret < 0 || ret >= end - pos)
1459 ie = (const u8 *) (bss + 1);
1460 for (i = 0; i < bss->ie_len; i++) {
1461 ret = os_snprintf(pos, end - pos, "%02x", *ie++);
1462 if (ret < 0 || ret >= end - pos)
1467 ret = os_snprintf(pos, end - pos, "\n");
1468 if (ret < 0 || ret >= end - pos)
1472 ret = os_snprintf(pos, end - pos, "flags=");
1473 if (ret < 0 || ret >= end - pos)
1477 ie = wpa_scan_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
1479 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
1480 ie2 = wpa_scan_get_ie(bss, WLAN_EID_RSN);
1482 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
1483 pos = wpa_supplicant_wps_ie_txt(pos, end, bss);
1484 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
1485 ret = os_snprintf(pos, end - pos, "[WEP]");
1486 if (ret < 0 || ret >= end - pos)
1490 if (bss->caps & IEEE80211_CAP_IBSS) {
1491 ret = os_snprintf(pos, end - pos, "[IBSS]");
1492 if (ret < 0 || ret >= end - pos)
1497 ret = os_snprintf(pos, end - pos, "\n");
1498 if (ret < 0 || ret >= end - pos)
1502 ie = wpa_scan_get_ie(bss, WLAN_EID_SSID);
1503 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
1504 ie ? wpa_ssid_txt(ie + 2, ie[1]) : "");
1505 if (ret < 0 || ret >= end - pos)
1513 static int wpa_supplicant_ctrl_iface_ap_scan(
1514 struct wpa_supplicant *wpa_s, char *cmd)
1516 int ap_scan = atoi(cmd);
1518 if (ap_scan < 0 || ap_scan > 2)
1520 wpa_s->conf->ap_scan = ap_scan;
1525 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
1526 char *buf, size_t *resp_len)
1529 const int reply_size = 2048;
1533 if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
1534 os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
1535 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
1536 (const u8 *) buf, os_strlen(buf));
1538 wpa_hexdump_ascii(MSG_DEBUG, "RX ctrl_iface",
1539 (const u8 *) buf, os_strlen(buf));
1542 reply = os_malloc(reply_size);
1543 if (reply == NULL) {
1548 os_memcpy(reply, "OK\n", 3);
1551 if (os_strcmp(buf, "PING") == 0) {
1552 os_memcpy(reply, "PONG\n", 5);
1554 } else if (os_strcmp(buf, "MIB") == 0) {
1555 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
1556 if (reply_len >= 0) {
1558 res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
1559 reply_size - reply_len);
1565 } else if (os_strncmp(buf, "STATUS", 6) == 0) {
1566 reply_len = wpa_supplicant_ctrl_iface_status(
1567 wpa_s, buf + 6, reply, reply_size);
1568 } else if (os_strcmp(buf, "PMKSA") == 0) {
1569 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
1571 } else if (os_strncmp(buf, "SET ", 4) == 0) {
1572 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
1574 } else if (os_strcmp(buf, "LOGON") == 0) {
1575 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
1576 } else if (os_strcmp(buf, "LOGOFF") == 0) {
1577 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
1578 } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
1579 wpa_s->disconnected = 0;
1580 wpa_s->reassociate = 1;
1581 wpa_supplicant_req_scan(wpa_s, 0, 0);
1582 } else if (os_strcmp(buf, "RECONNECT") == 0) {
1583 if (wpa_s->disconnected) {
1584 wpa_s->disconnected = 0;
1585 wpa_s->reassociate = 1;
1586 wpa_supplicant_req_scan(wpa_s, 0, 0);
1588 #ifdef IEEE8021X_EAPOL
1589 } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
1590 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
1592 #endif /* IEEE8021X_EAPOL */
1593 #ifdef CONFIG_PEERKEY
1594 } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
1595 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
1597 #endif /* CONFIG_PEERKEY */
1598 #ifdef CONFIG_IEEE80211R
1599 } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
1600 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
1602 #endif /* CONFIG_IEEE80211R */
1604 } else if (os_strcmp(buf, "WPS_PBC") == 0) {
1605 if (wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL))
1607 } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
1608 if (wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8))
1610 } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
1611 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
1614 #ifdef CONFIG_WPS_OOB
1615 } else if (os_strncmp(buf, "WPS_OOB ", 8) == 0) {
1616 if (wpa_supplicant_ctrl_iface_wps_oob(wpa_s, buf + 8))
1618 #endif /* CONFIG_WPS_OOB */
1619 } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
1620 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
1622 #endif /* CONFIG_WPS */
1623 #ifdef CONFIG_IBSS_RSN
1624 } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
1625 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
1627 #endif /* CONFIG_IBSS_RSN */
1628 } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
1630 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
1631 wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
1635 } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
1636 if (wpa_supplicant_reload_configuration(wpa_s))
1638 } else if (os_strcmp(buf, "TERMINATE") == 0) {
1640 } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
1641 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
1643 } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
1644 reply_len = wpa_supplicant_ctrl_iface_list_networks(
1645 wpa_s, reply, reply_size);
1646 } else if (os_strcmp(buf, "DISCONNECT") == 0) {
1647 wpa_s->reassociate = 0;
1648 wpa_s->disconnected = 1;
1649 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1650 } else if (os_strcmp(buf, "SCAN") == 0) {
1651 wpa_s->scan_req = 2;
1652 wpa_supplicant_req_scan(wpa_s, 0, 0);
1653 } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
1654 reply_len = wpa_supplicant_ctrl_iface_scan_results(
1655 wpa_s, reply, reply_size);
1656 } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
1657 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
1659 } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
1660 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
1662 } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
1663 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
1665 } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
1666 reply_len = wpa_supplicant_ctrl_iface_add_network(
1667 wpa_s, reply, reply_size);
1668 } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
1669 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
1671 } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
1672 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
1674 } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
1675 reply_len = wpa_supplicant_ctrl_iface_get_network(
1676 wpa_s, buf + 12, reply, reply_size);
1677 #ifndef CONFIG_NO_CONFIG_WRITE
1678 } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
1679 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
1681 #endif /* CONFIG_NO_CONFIG_WRITE */
1682 } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
1683 reply_len = wpa_supplicant_ctrl_iface_get_capability(
1684 wpa_s, buf + 15, reply, reply_size);
1685 } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
1686 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
1688 } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
1689 reply_len = wpa_supplicant_global_iface_list(
1690 wpa_s->global, reply, reply_size);
1691 } else if (os_strcmp(buf, "INTERFACES") == 0) {
1692 reply_len = wpa_supplicant_global_iface_interfaces(
1693 wpa_s->global, reply, reply_size);
1694 } else if (os_strncmp(buf, "BSS ", 4) == 0) {
1695 reply_len = wpa_supplicant_ctrl_iface_bss(
1696 wpa_s, buf + 4, reply, reply_size);
1698 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
1702 if (reply_len < 0) {
1703 os_memcpy(reply, "FAIL\n", 5);
1708 eapol_sm_notify_ctrl_response(wpa_s->eapol);
1710 *resp_len = reply_len;
1715 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
1718 struct wpa_interface iface;
1722 * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
1723 * TAB<bridge_ifname>
1725 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
1727 os_memset(&iface, 0, sizeof(iface));
1730 iface.ifname = pos = cmd;
1731 pos = os_strchr(pos, '\t');
1734 if (iface.ifname[0] == '\0')
1739 iface.confname = pos;
1740 pos = os_strchr(pos, '\t');
1743 if (iface.confname[0] == '\0')
1744 iface.confname = NULL;
1749 pos = os_strchr(pos, '\t');
1752 if (iface.driver[0] == '\0')
1753 iface.driver = NULL;
1757 iface.ctrl_interface = pos;
1758 pos = os_strchr(pos, '\t');
1761 if (iface.ctrl_interface[0] == '\0')
1762 iface.ctrl_interface = NULL;
1766 iface.driver_param = pos;
1767 pos = os_strchr(pos, '\t');
1770 if (iface.driver_param[0] == '\0')
1771 iface.driver_param = NULL;
1775 iface.bridge_ifname = pos;
1776 pos = os_strchr(pos, '\t');
1779 if (iface.bridge_ifname[0] == '\0')
1780 iface.bridge_ifname = NULL;
1785 if (wpa_supplicant_get_iface(global, iface.ifname))
1788 return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
1792 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
1795 struct wpa_supplicant *wpa_s;
1797 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
1799 wpa_s = wpa_supplicant_get_iface(global, cmd);
1802 return wpa_supplicant_remove_iface(global, wpa_s);
1806 static void wpa_free_iface_info(struct wpa_interface_info *iface)
1808 struct wpa_interface_info *prev;
1812 iface = iface->next;
1814 os_free(prev->ifname);
1815 os_free(prev->desc);
1821 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
1825 struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
1828 for (i = 0; wpa_supplicant_drivers[i]; i++) {
1829 struct wpa_driver_ops *drv = wpa_supplicant_drivers[i];
1830 if (drv->get_interfaces == NULL)
1832 tmp = drv->get_interfaces(global->drv_priv);
1846 for (tmp = iface; tmp; tmp = tmp->next) {
1847 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
1848 tmp->drv_name, tmp->ifname,
1849 tmp->desc ? tmp->desc : "");
1850 if (res < 0 || res >= end - pos) {
1857 wpa_free_iface_info(iface);
1863 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
1868 struct wpa_supplicant *wpa_s;
1870 wpa_s = global->ifaces;
1875 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
1876 if (res < 0 || res >= end - pos) {
1881 wpa_s = wpa_s->next;
1887 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
1888 char *buf, size_t *resp_len)
1891 const int reply_size = 2048;
1894 wpa_hexdump_ascii(MSG_DEBUG, "RX global ctrl_iface",
1895 (const u8 *) buf, os_strlen(buf));
1897 reply = os_malloc(reply_size);
1898 if (reply == NULL) {
1903 os_memcpy(reply, "OK\n", 3);
1906 if (os_strcmp(buf, "PING") == 0) {
1907 os_memcpy(reply, "PONG\n", 5);
1909 } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
1910 if (wpa_supplicant_global_iface_add(global, buf + 14))
1912 } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
1913 if (wpa_supplicant_global_iface_remove(global, buf + 17))
1915 } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
1916 reply_len = wpa_supplicant_global_iface_list(
1917 global, reply, reply_size);
1918 } else if (os_strcmp(buf, "INTERFACES") == 0) {
1919 reply_len = wpa_supplicant_global_iface_interfaces(
1920 global, reply, reply_size);
1921 } else if (os_strcmp(buf, "TERMINATE") == 0) {
1924 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
1928 if (reply_len < 0) {
1929 os_memcpy(reply, "FAIL\n", 5);
1933 *resp_len = reply_len;