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"
23 #include "ctrl_iface.h"
24 #include "l2_packet/l2_packet.h"
26 #include "pmksa_cache.h"
28 #include "eap_peer/eap.h"
29 #include "ieee802_11_defs.h"
30 #include "wps_supplicant.h"
34 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
36 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
40 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
46 value = os_strchr(cmd, ' ');
51 wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
52 if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
53 eapol_sm_configure(wpa_s->eapol,
54 atoi(value), -1, -1, -1);
55 } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
56 eapol_sm_configure(wpa_s->eapol,
57 -1, atoi(value), -1, -1);
58 } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
59 eapol_sm_configure(wpa_s->eapol,
60 -1, -1, atoi(value), -1);
61 } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
62 eapol_sm_configure(wpa_s->eapol,
63 -1, -1, -1, atoi(value));
64 } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
65 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
68 } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
70 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
73 } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
74 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
83 #ifdef IEEE8021X_EAPOL
84 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
88 struct wpa_ssid *ssid = wpa_s->current_ssid;
90 if (hwaddr_aton(addr, bssid)) {
91 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
96 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
97 rsn_preauth_deinit(wpa_s->wpa);
98 if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
103 #endif /* IEEE8021X_EAPOL */
106 #ifdef CONFIG_PEERKEY
107 /* MLME-STKSTART.request(peer) */
108 static int wpa_supplicant_ctrl_iface_stkstart(
109 struct wpa_supplicant *wpa_s, char *addr)
113 if (hwaddr_aton(addr, peer)) {
114 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
115 "address '%s'", peer);
119 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
122 return wpa_sm_stkstart(wpa_s->wpa, peer);
124 #endif /* CONFIG_PEERKEY */
127 #ifdef CONFIG_IEEE80211R
128 static int wpa_supplicant_ctrl_iface_ft_ds(
129 struct wpa_supplicant *wpa_s, char *addr)
131 u8 target_ap[ETH_ALEN];
133 if (hwaddr_aton(addr, target_ap)) {
134 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
135 "address '%s'", target_ap);
139 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
141 return wpa_ft_start_over_ds(wpa_s->wpa, target_ap);
143 #endif /* CONFIG_IEEE80211R */
147 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
152 if (cmd == NULL || os_strcmp(cmd, "any") == 0)
153 return wpas_wps_start_pbc(wpa_s, NULL);
155 if (hwaddr_aton(cmd, bssid)) {
156 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
161 return wpas_wps_start_pbc(wpa_s, bssid);
165 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
166 char *cmd, char *buf,
169 u8 bssid[ETH_ALEN], *_bssid = bssid;
173 pin = os_strchr(cmd, ' ');
177 if (os_strcmp(cmd, "any") == 0)
179 else if (hwaddr_aton(cmd, bssid)) {
180 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
186 ret = wpas_wps_start_pin(wpa_s, _bssid, pin);
189 ret = os_snprintf(buf, buflen, "%s", pin);
190 if (ret < 0 || (size_t) ret >= buflen)
195 ret = wpas_wps_start_pin(wpa_s, _bssid, NULL);
199 /* Return the generated PIN */
200 ret = os_snprintf(buf, buflen, "%08d", ret);
201 if (ret < 0 || (size_t) ret >= buflen)
207 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
210 u8 bssid[ETH_ALEN], *_bssid = bssid;
213 pin = os_strchr(cmd, ' ');
218 if (os_strcmp(cmd, "any") == 0)
220 else if (hwaddr_aton(cmd, bssid)) {
221 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
226 return wpas_wps_start_reg(wpa_s, _bssid, pin);
228 #endif /* CONFIG_WPS */
231 #ifdef CONFIG_IBSS_RSN
232 static int wpa_supplicant_ctrl_iface_ibss_rsn(
233 struct wpa_supplicant *wpa_s, char *addr)
237 if (hwaddr_aton(addr, peer)) {
238 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
239 "address '%s'", peer);
243 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
246 return ibss_rsn_start(wpa_s->ibss_rsn, peer);
248 #endif /* CONFIG_IBSS_RSN */
251 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
254 #ifdef IEEE8021X_EAPOL
257 struct wpa_ssid *ssid;
258 struct eap_peer_config *eap;
260 pos = os_strchr(rsp, '-');
265 pos = os_strchr(pos, ':');
270 wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
271 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
272 (u8 *) pos, os_strlen(pos));
274 ssid = wpa_config_get_network(wpa_s->conf, id);
276 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
282 if (os_strcmp(rsp, "IDENTITY") == 0) {
283 os_free(eap->identity);
284 eap->identity = (u8 *) os_strdup(pos);
285 eap->identity_len = os_strlen(pos);
286 eap->pending_req_identity = 0;
287 if (ssid == wpa_s->current_ssid)
288 wpa_s->reassociate = 1;
289 } else if (os_strcmp(rsp, "PASSWORD") == 0) {
290 os_free(eap->password);
291 eap->password = (u8 *) os_strdup(pos);
292 eap->password_len = os_strlen(pos);
293 eap->pending_req_password = 0;
294 if (ssid == wpa_s->current_ssid)
295 wpa_s->reassociate = 1;
296 } else if (os_strcmp(rsp, "NEW_PASSWORD") == 0) {
297 os_free(eap->new_password);
298 eap->new_password = (u8 *) os_strdup(pos);
299 eap->new_password_len = os_strlen(pos);
300 eap->pending_req_new_password = 0;
301 if (ssid == wpa_s->current_ssid)
302 wpa_s->reassociate = 1;
303 } else if (os_strcmp(rsp, "PIN") == 0) {
305 eap->pin = os_strdup(pos);
306 eap->pending_req_pin = 0;
307 if (ssid == wpa_s->current_ssid)
308 wpa_s->reassociate = 1;
309 } else if (os_strcmp(rsp, "OTP") == 0) {
311 eap->otp = (u8 *) os_strdup(pos);
312 eap->otp_len = os_strlen(pos);
313 os_free(eap->pending_req_otp);
314 eap->pending_req_otp = NULL;
315 eap->pending_req_otp_len = 0;
316 } else if (os_strcmp(rsp, "PASSPHRASE") == 0) {
317 os_free(eap->private_key_passwd);
318 eap->private_key_passwd = (u8 *) os_strdup(pos);
319 eap->pending_req_passphrase = 0;
320 if (ssid == wpa_s->current_ssid)
321 wpa_s->reassociate = 1;
323 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown field '%s'", rsp);
328 #else /* IEEE8021X_EAPOL */
329 wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
331 #endif /* IEEE8021X_EAPOL */
335 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
337 char *buf, size_t buflen)
339 char *pos, *end, tmp[30];
340 int res, verbose, ret;
342 verbose = os_strcmp(params, "-VERBOSE") == 0;
345 if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
346 struct wpa_ssid *ssid = wpa_s->current_ssid;
347 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
348 MAC2STR(wpa_s->bssid));
349 if (ret < 0 || ret >= end - pos)
353 u8 *_ssid = ssid->ssid;
354 size_t ssid_len = ssid->ssid_len;
355 u8 ssid_buf[MAX_SSID_LEN];
357 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
364 ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
365 wpa_ssid_txt(_ssid, ssid_len),
367 if (ret < 0 || ret >= end - pos)
372 ret = os_snprintf(pos, end - pos,
375 if (ret < 0 || ret >= end - pos)
381 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
383 ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
384 wpa_supplicant_state_txt(wpa_s->wpa_state));
385 if (ret < 0 || ret >= end - pos)
390 l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
391 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
392 if (ret < 0 || ret >= end - pos)
397 if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
398 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
399 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
405 res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
413 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
418 struct wpa_ssid *ssid;
421 /* cmd: "<network id> <BSSID>" */
422 pos = os_strchr(cmd, ' ');
427 wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
428 if (hwaddr_aton(pos, bssid)) {
429 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
433 ssid = wpa_config_get_network(wpa_s->conf, id);
435 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
440 os_memcpy(ssid->bssid, bssid, ETH_ALEN);
441 ssid->bssid_set = !is_zero_ether_addr(bssid);
447 static int wpa_supplicant_ctrl_iface_list_networks(
448 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
451 struct wpa_ssid *ssid;
456 ret = os_snprintf(pos, end - pos,
457 "network id / ssid / bssid / flags\n");
458 if (ret < 0 || ret >= end - pos)
462 ssid = wpa_s->conf->ssid;
464 ret = os_snprintf(pos, end - pos, "%d\t%s",
466 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
467 if (ret < 0 || ret >= end - pos)
470 if (ssid->bssid_set) {
471 ret = os_snprintf(pos, end - pos, "\t" MACSTR,
472 MAC2STR(ssid->bssid));
474 ret = os_snprintf(pos, end - pos, "\tany");
476 if (ret < 0 || ret >= end - pos)
479 ret = os_snprintf(pos, end - pos, "\t%s%s",
480 ssid == wpa_s->current_ssid ?
482 ssid->disabled ? "[DISABLED]" : "");
483 if (ret < 0 || ret >= end - pos)
486 ret = os_snprintf(pos, end - pos, "\n");
487 if (ret < 0 || ret >= end - pos)
498 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
501 ret = os_snprintf(pos, end - pos, "-");
502 if (ret < 0 || ret >= end - pos)
505 if (cipher & WPA_CIPHER_NONE) {
506 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : "+");
507 if (ret < 0 || ret >= end - pos)
512 if (cipher & WPA_CIPHER_WEP40) {
513 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : "+");
514 if (ret < 0 || ret >= end - pos)
519 if (cipher & WPA_CIPHER_WEP104) {
520 ret = os_snprintf(pos, end - pos, "%sWEP104",
522 if (ret < 0 || ret >= end - pos)
527 if (cipher & WPA_CIPHER_TKIP) {
528 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : "+");
529 if (ret < 0 || ret >= end - pos)
534 if (cipher & WPA_CIPHER_CCMP) {
535 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : "+");
536 if (ret < 0 || ret >= end - pos)
545 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
546 const u8 *ie, size_t ie_len)
548 struct wpa_ie_data data;
551 ret = os_snprintf(pos, end - pos, "[%s-", proto);
552 if (ret < 0 || ret >= end - pos)
556 if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
557 ret = os_snprintf(pos, end - pos, "?]");
558 if (ret < 0 || ret >= end - pos)
565 if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
566 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
567 if (ret < 0 || ret >= end - pos)
572 if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
573 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
574 if (ret < 0 || ret >= end - pos)
579 if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
580 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
581 if (ret < 0 || ret >= end - pos)
586 #ifdef CONFIG_IEEE80211R
587 if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
588 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
590 if (ret < 0 || ret >= end - pos)
595 if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
596 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
598 if (ret < 0 || ret >= end - pos)
603 #endif /* CONFIG_IEEE80211R */
604 #ifdef CONFIG_IEEE80211W
605 if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
606 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
608 if (ret < 0 || ret >= end - pos)
613 if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
614 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
616 if (ret < 0 || ret >= end - pos)
621 #endif /* CONFIG_IEEE80211W */
623 pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
625 if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
626 ret = os_snprintf(pos, end - pos, "-preauth");
627 if (ret < 0 || ret >= end - pos)
632 ret = os_snprintf(pos, end - pos, "]");
633 if (ret < 0 || ret >= end - pos)
640 static char * wpa_supplicant_wps_ie_txt(char *pos, char *end,
641 const struct wpa_scan_res *res)
644 struct wpabuf *wps_ie;
648 wps_ie = wpa_scan_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE);
652 if (wps_is_selected_pbc_registrar(wps_ie))
654 else if (wps_is_selected_pin_registrar(wps_ie))
659 ret = os_snprintf(pos, end - pos, "%s", txt);
660 if (ret >= 0 && ret < end - pos)
663 #endif /* CONFIG_WPS */
669 /* Format one result on one text line into a buffer. */
670 static int wpa_supplicant_ctrl_iface_scan_result(
671 const struct wpa_scan_res *res, char *buf, size_t buflen)
680 ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
681 MAC2STR(res->bssid), res->freq, res->level);
682 if (ret < 0 || ret >= end - pos)
685 ie = wpa_scan_get_vendor_ie(res, WPA_IE_VENDOR_TYPE);
687 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
688 ie2 = wpa_scan_get_ie(res, WLAN_EID_RSN);
690 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
691 pos = wpa_supplicant_wps_ie_txt(pos, end, res);
692 if (!ie && !ie2 && res->caps & IEEE80211_CAP_PRIVACY) {
693 ret = os_snprintf(pos, end - pos, "[WEP]");
694 if (ret < 0 || ret >= end - pos)
698 if (res->caps & IEEE80211_CAP_IBSS) {
699 ret = os_snprintf(pos, end - pos, "[IBSS]");
700 if (ret < 0 || ret >= end - pos)
705 ie = wpa_scan_get_ie(res, WLAN_EID_SSID);
706 ret = os_snprintf(pos, end - pos, "\t%s",
707 ie ? wpa_ssid_txt(ie + 2, ie[1]) : "");
708 if (ret < 0 || ret >= end - pos)
712 ret = os_snprintf(pos, end - pos, "\n");
713 if (ret < 0 || ret >= end - pos)
721 static int wpa_supplicant_ctrl_iface_scan_results(
722 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
725 struct wpa_scan_res *res;
729 if (wpa_s->scan_res == NULL &&
730 wpa_supplicant_get_scan_results(wpa_s) < 0)
735 ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
737 if (ret < 0 || ret >= end - pos)
741 for (i = 0; i < wpa_s->scan_res->num; i++) {
742 res = wpa_s->scan_res->res[i];
743 ret = wpa_supplicant_ctrl_iface_scan_result(res, pos,
745 if (ret < 0 || ret >= end - pos)
754 static int wpa_supplicant_ctrl_iface_select_network(
755 struct wpa_supplicant *wpa_s, char *cmd)
758 struct wpa_ssid *ssid;
760 /* cmd: "<network id>" or "any" */
761 if (os_strcmp(cmd, "any") == 0) {
762 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
763 ssid = wpa_s->conf->ssid;
768 wpa_s->reassociate = 1;
769 wpa_supplicant_req_scan(wpa_s, 0, 0);
774 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
776 ssid = wpa_config_get_network(wpa_s->conf, id);
778 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
783 if (ssid != wpa_s->current_ssid && wpa_s->current_ssid)
784 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
786 /* Mark all other networks disabled and trigger reassociation */
787 ssid = wpa_s->conf->ssid;
789 ssid->disabled = id != ssid->id;
792 wpa_s->reassociate = 1;
793 wpa_supplicant_req_scan(wpa_s, 0, 0);
799 static int wpa_supplicant_ctrl_iface_enable_network(
800 struct wpa_supplicant *wpa_s, char *cmd)
803 struct wpa_ssid *ssid;
805 /* cmd: "<network id>" or "all" */
806 if (os_strcmp(cmd, "all") == 0) {
807 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
808 ssid = wpa_s->conf->ssid;
810 if (ssid == wpa_s->current_ssid && ssid->disabled)
811 wpa_s->reassociate = 1;
815 if (wpa_s->reassociate)
816 wpa_supplicant_req_scan(wpa_s, 0, 0);
821 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
823 ssid = wpa_config_get_network(wpa_s->conf, id);
825 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
830 if (wpa_s->current_ssid == NULL && ssid->disabled) {
832 * Try to reassociate since there is no current configuration
833 * and a new network was made available. */
834 wpa_s->reassociate = 1;
835 wpa_supplicant_req_scan(wpa_s, 0, 0);
843 static int wpa_supplicant_ctrl_iface_disable_network(
844 struct wpa_supplicant *wpa_s, char *cmd)
847 struct wpa_ssid *ssid;
849 /* cmd: "<network id>" or "all" */
850 if (os_strcmp(cmd, "all") == 0) {
851 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
852 ssid = wpa_s->conf->ssid;
857 if (wpa_s->current_ssid)
858 wpa_supplicant_disassociate(wpa_s,
859 WLAN_REASON_DEAUTH_LEAVING);
864 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
866 ssid = wpa_config_get_network(wpa_s->conf, id);
868 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
873 if (ssid == wpa_s->current_ssid)
874 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
881 static int wpa_supplicant_ctrl_iface_add_network(
882 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
884 struct wpa_ssid *ssid;
887 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
889 ssid = wpa_config_add_network(wpa_s->conf);
893 wpa_config_set_network_defaults(ssid);
895 ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
896 if (ret < 0 || (size_t) ret >= buflen)
902 static int wpa_supplicant_ctrl_iface_remove_network(
903 struct wpa_supplicant *wpa_s, char *cmd)
906 struct wpa_ssid *ssid;
908 /* cmd: "<network id>" or "all" */
909 if (os_strcmp(cmd, "all") == 0) {
910 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
911 ssid = wpa_s->conf->ssid;
915 wpa_config_remove_network(wpa_s->conf, id);
917 if (wpa_s->current_ssid) {
918 eapol_sm_invalidate_cached_session(wpa_s->eapol);
919 wpa_supplicant_disassociate(wpa_s,
920 WLAN_REASON_DEAUTH_LEAVING);
926 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
928 ssid = wpa_config_get_network(wpa_s->conf, id);
930 wpa_config_remove_network(wpa_s->conf, id) < 0) {
931 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
936 if (ssid == wpa_s->current_ssid) {
938 * Invalidate the EAP session cache if the current network is
941 eapol_sm_invalidate_cached_session(wpa_s->eapol);
943 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
950 static int wpa_supplicant_ctrl_iface_set_network(
951 struct wpa_supplicant *wpa_s, char *cmd)
954 struct wpa_ssid *ssid;
957 /* cmd: "<network id> <variable name> <value>" */
958 name = os_strchr(cmd, ' ');
963 value = os_strchr(name, ' ');
969 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
971 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
972 (u8 *) value, os_strlen(value));
974 ssid = wpa_config_get_network(wpa_s->conf, id);
976 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
981 if (wpa_config_set(ssid, name, value, 0) < 0) {
982 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
983 "variable '%s'", name);
987 if (wpa_s->current_ssid == ssid) {
989 * Invalidate the EAP session cache if anything in the current
990 * configuration changes.
992 eapol_sm_invalidate_cached_session(wpa_s->eapol);
995 if ((os_strcmp(name, "psk") == 0 &&
996 value[0] == '"' && ssid->ssid_len) ||
997 (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
998 wpa_config_update_psk(ssid);
1004 static int wpa_supplicant_ctrl_iface_get_network(
1005 struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
1009 struct wpa_ssid *ssid;
1012 /* cmd: "<network id> <variable name>" */
1013 name = os_strchr(cmd, ' ');
1014 if (name == NULL || buflen == 0)
1019 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
1022 ssid = wpa_config_get_network(wpa_s->conf, id);
1024 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
1029 value = wpa_config_get_no_key(ssid, name);
1030 if (value == NULL) {
1031 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
1032 "variable '%s'", name);
1036 res = os_strlcpy(buf, value, buflen);
1037 if (res >= buflen) {
1048 #ifndef CONFIG_NO_CONFIG_WRITE
1049 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
1053 if (!wpa_s->conf->update_config) {
1054 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
1055 "to update configuration (update_config=0)");
1059 ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
1061 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
1062 "update configuration");
1064 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
1070 #endif /* CONFIG_NO_CONFIG_WRITE */
1073 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
1074 struct wpa_driver_capa *capa,
1075 char *buf, size_t buflen)
1087 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
1093 if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
1094 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
1095 if (ret < 0 || ret >= end - pos)
1101 if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
1102 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
1103 if (ret < 0 || ret >= end - pos)
1109 if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
1110 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
1111 if (ret < 0 || ret >= end - pos)
1121 static int ctrl_iface_get_capability_group(int res, char *strict,
1122 struct wpa_driver_capa *capa,
1123 char *buf, size_t buflen)
1135 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
1141 if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
1142 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
1143 if (ret < 0 || ret >= end - pos)
1149 if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
1150 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
1151 if (ret < 0 || ret >= end - pos)
1157 if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP104) {
1158 ret = os_snprintf(pos, end - pos, "%sWEP104",
1160 if (ret < 0 || ret >= end - pos)
1166 if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
1167 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
1168 if (ret < 0 || ret >= end - pos)
1178 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
1179 struct wpa_driver_capa *capa,
1180 char *buf, size_t buflen)
1192 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
1199 ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
1200 if (ret < 0 || ret >= end - pos)
1204 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1205 WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
1206 ret = os_snprintf(pos, end - pos, " WPA-EAP");
1207 if (ret < 0 || ret >= end - pos)
1212 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
1213 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
1214 ret = os_snprintf(pos, end - pos, " WPA-PSK");
1215 if (ret < 0 || ret >= end - pos)
1220 if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
1221 ret = os_snprintf(pos, end - pos, " WPA-NONE");
1222 if (ret < 0 || ret >= end - pos)
1231 static int ctrl_iface_get_capability_proto(int res, char *strict,
1232 struct wpa_driver_capa *capa,
1233 char *buf, size_t buflen)
1245 len = os_strlcpy(buf, "RSN WPA", buflen);
1251 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
1252 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
1253 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
1254 if (ret < 0 || ret >= end - pos)
1260 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1261 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
1262 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
1263 if (ret < 0 || ret >= end - pos)
1273 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
1274 struct wpa_driver_capa *capa,
1275 char *buf, size_t buflen)
1287 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
1293 if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
1294 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
1295 if (ret < 0 || ret >= end - pos)
1301 if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
1302 ret = os_snprintf(pos, end - pos, "%sSHARED",
1304 if (ret < 0 || ret >= end - pos)
1310 if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
1311 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
1312 if (ret < 0 || ret >= end - pos)
1322 static int wpa_supplicant_ctrl_iface_get_capability(
1323 struct wpa_supplicant *wpa_s, const char *_field, char *buf,
1326 struct wpa_driver_capa capa;
1332 /* Determine whether or not strict checking was requested */
1333 len = os_strlcpy(field, _field, sizeof(field));
1334 if (len >= sizeof(field))
1336 strict = os_strchr(field, ' ');
1337 if (strict != NULL) {
1339 if (os_strcmp(strict, "strict") != 0)
1343 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
1344 field, strict ? strict : "");
1346 if (os_strcmp(field, "eap") == 0) {
1347 return eap_get_names(buf, buflen);
1350 res = wpa_drv_get_capa(wpa_s, &capa);
1352 if (os_strcmp(field, "pairwise") == 0)
1353 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
1356 if (os_strcmp(field, "group") == 0)
1357 return ctrl_iface_get_capability_group(res, strict, &capa,
1360 if (os_strcmp(field, "key_mgmt") == 0)
1361 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
1364 if (os_strcmp(field, "proto") == 0)
1365 return ctrl_iface_get_capability_proto(res, strict, &capa,
1368 if (os_strcmp(field, "auth_alg") == 0)
1369 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
1372 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
1379 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
1380 const char *cmd, char *buf,
1385 struct wpa_scan_results *results;
1386 struct wpa_scan_res *bss;
1391 if (wpa_s->scan_res == NULL &&
1392 wpa_supplicant_get_scan_results(wpa_s) < 0)
1395 results = wpa_s->scan_res;
1396 if (results == NULL)
1399 if (hwaddr_aton(cmd, bssid) == 0) {
1400 for (i = 0; i < results->num; i++) {
1401 if (os_memcmp(bssid, results->res[i]->bssid, ETH_ALEN)
1408 if (i >= results->num || results->res[i] == NULL)
1409 return 0; /* no match found */
1411 bss = results->res[i];
1414 ret = os_snprintf(pos, end - pos,
1415 "bssid=" MACSTR "\n"
1418 "capabilities=0x%04x\n"
1424 MAC2STR(bss->bssid), bss->freq, bss->beacon_int,
1425 bss->caps, bss->qual, bss->noise, bss->level,
1426 (unsigned long long) bss->tsf);
1427 if (ret < 0 || ret >= end - pos)
1431 ie = (const u8 *) (bss + 1);
1432 for (i = 0; i < bss->ie_len; i++) {
1433 ret = os_snprintf(pos, end - pos, "%02x", *ie++);
1434 if (ret < 0 || ret >= end - pos)
1439 ret = os_snprintf(pos, end - pos, "\n");
1440 if (ret < 0 || ret >= end - pos)
1444 ret = os_snprintf(pos, end - pos, "flags=");
1445 if (ret < 0 || ret >= end - pos)
1449 ie = wpa_scan_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
1451 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
1452 ie2 = wpa_scan_get_ie(bss, WLAN_EID_RSN);
1454 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
1455 pos = wpa_supplicant_wps_ie_txt(pos, end, bss);
1456 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
1457 ret = os_snprintf(pos, end - pos, "[WEP]");
1458 if (ret < 0 || ret >= end - pos)
1462 if (bss->caps & IEEE80211_CAP_IBSS) {
1463 ret = os_snprintf(pos, end - pos, "[IBSS]");
1464 if (ret < 0 || ret >= end - pos)
1469 ret = os_snprintf(pos, end - pos, "\n");
1470 if (ret < 0 || ret >= end - pos)
1474 ie = wpa_scan_get_ie(bss, WLAN_EID_SSID);
1475 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
1476 ie ? wpa_ssid_txt(ie + 2, ie[1]) : "");
1477 if (ret < 0 || ret >= end - pos)
1485 static int wpa_supplicant_ctrl_iface_ap_scan(
1486 struct wpa_supplicant *wpa_s, char *cmd)
1488 int ap_scan = atoi(cmd);
1490 if (ap_scan < 0 || ap_scan > 2)
1492 wpa_s->conf->ap_scan = ap_scan;
1497 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
1498 char *buf, size_t *resp_len)
1501 const int reply_size = 2048;
1505 if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
1506 os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
1507 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
1508 (const u8 *) buf, os_strlen(buf));
1510 wpa_hexdump_ascii(MSG_DEBUG, "RX ctrl_iface",
1511 (const u8 *) buf, os_strlen(buf));
1514 reply = os_malloc(reply_size);
1515 if (reply == NULL) {
1520 os_memcpy(reply, "OK\n", 3);
1523 if (os_strcmp(buf, "PING") == 0) {
1524 os_memcpy(reply, "PONG\n", 5);
1526 } else if (os_strcmp(buf, "MIB") == 0) {
1527 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
1528 if (reply_len >= 0) {
1530 res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
1531 reply_size - reply_len);
1537 } else if (os_strncmp(buf, "STATUS", 6) == 0) {
1538 reply_len = wpa_supplicant_ctrl_iface_status(
1539 wpa_s, buf + 6, reply, reply_size);
1540 } else if (os_strcmp(buf, "PMKSA") == 0) {
1541 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
1543 } else if (os_strncmp(buf, "SET ", 4) == 0) {
1544 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
1546 } else if (os_strcmp(buf, "LOGON") == 0) {
1547 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
1548 } else if (os_strcmp(buf, "LOGOFF") == 0) {
1549 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
1550 } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
1551 wpa_s->disconnected = 0;
1552 wpa_s->reassociate = 1;
1553 wpa_supplicant_req_scan(wpa_s, 0, 0);
1554 } else if (os_strcmp(buf, "RECONNECT") == 0) {
1555 if (wpa_s->disconnected) {
1556 wpa_s->disconnected = 0;
1557 wpa_s->reassociate = 1;
1558 wpa_supplicant_req_scan(wpa_s, 0, 0);
1560 #ifdef IEEE8021X_EAPOL
1561 } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
1562 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
1564 #endif /* IEEE8021X_EAPOL */
1565 #ifdef CONFIG_PEERKEY
1566 } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
1567 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
1569 #endif /* CONFIG_PEERKEY */
1570 #ifdef CONFIG_IEEE80211R
1571 } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
1572 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
1574 #endif /* CONFIG_IEEE80211R */
1576 } else if (os_strcmp(buf, "WPS_PBC") == 0) {
1577 if (wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL))
1579 } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
1580 if (wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8))
1582 } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
1583 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
1586 } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
1587 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
1589 #endif /* CONFIG_WPS */
1590 #ifdef CONFIG_IBSS_RSN
1591 } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
1592 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
1594 #endif /* CONFIG_IBSS_RSN */
1595 } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
1597 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
1598 wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
1602 } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
1603 if (wpa_supplicant_reload_configuration(wpa_s))
1605 } else if (os_strcmp(buf, "TERMINATE") == 0) {
1607 } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
1608 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
1610 } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
1611 reply_len = wpa_supplicant_ctrl_iface_list_networks(
1612 wpa_s, reply, reply_size);
1613 } else if (os_strcmp(buf, "DISCONNECT") == 0) {
1614 wpa_s->reassociate = 0;
1615 wpa_s->disconnected = 1;
1616 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1617 } else if (os_strcmp(buf, "SCAN") == 0) {
1618 wpa_s->scan_req = 2;
1619 wpa_supplicant_req_scan(wpa_s, 0, 0);
1620 } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
1621 reply_len = wpa_supplicant_ctrl_iface_scan_results(
1622 wpa_s, reply, reply_size);
1623 } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
1624 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
1626 } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
1627 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
1629 } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
1630 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
1632 } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
1633 reply_len = wpa_supplicant_ctrl_iface_add_network(
1634 wpa_s, reply, reply_size);
1635 } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
1636 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
1638 } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
1639 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
1641 } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
1642 reply_len = wpa_supplicant_ctrl_iface_get_network(
1643 wpa_s, buf + 12, reply, reply_size);
1644 #ifndef CONFIG_NO_CONFIG_WRITE
1645 } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
1646 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
1648 #endif /* CONFIG_NO_CONFIG_WRITE */
1649 } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
1650 reply_len = wpa_supplicant_ctrl_iface_get_capability(
1651 wpa_s, buf + 15, reply, reply_size);
1652 } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
1653 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
1655 } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
1656 reply_len = wpa_supplicant_global_iface_list(
1657 wpa_s->global, reply, reply_size);
1658 } else if (os_strcmp(buf, "INTERFACES") == 0) {
1659 reply_len = wpa_supplicant_global_iface_interfaces(
1660 wpa_s->global, reply, reply_size);
1661 } else if (os_strncmp(buf, "BSS ", 4) == 0) {
1662 reply_len = wpa_supplicant_ctrl_iface_bss(
1663 wpa_s, buf + 4, reply, reply_size);
1665 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
1669 if (reply_len < 0) {
1670 os_memcpy(reply, "FAIL\n", 5);
1675 eapol_sm_notify_ctrl_response(wpa_s->eapol);
1677 *resp_len = reply_len;
1682 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
1685 struct wpa_interface iface;
1689 * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
1690 * TAB<bridge_ifname>
1692 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
1694 os_memset(&iface, 0, sizeof(iface));
1697 iface.ifname = pos = cmd;
1698 pos = os_strchr(pos, '\t');
1701 if (iface.ifname[0] == '\0')
1706 iface.confname = pos;
1707 pos = os_strchr(pos, '\t');
1710 if (iface.confname[0] == '\0')
1711 iface.confname = NULL;
1716 pos = os_strchr(pos, '\t');
1719 if (iface.driver[0] == '\0')
1720 iface.driver = NULL;
1724 iface.ctrl_interface = pos;
1725 pos = os_strchr(pos, '\t');
1728 if (iface.ctrl_interface[0] == '\0')
1729 iface.ctrl_interface = NULL;
1733 iface.driver_param = pos;
1734 pos = os_strchr(pos, '\t');
1737 if (iface.driver_param[0] == '\0')
1738 iface.driver_param = NULL;
1742 iface.bridge_ifname = pos;
1743 pos = os_strchr(pos, '\t');
1746 if (iface.bridge_ifname[0] == '\0')
1747 iface.bridge_ifname = NULL;
1752 if (wpa_supplicant_get_iface(global, iface.ifname))
1755 return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
1759 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
1762 struct wpa_supplicant *wpa_s;
1764 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
1766 wpa_s = wpa_supplicant_get_iface(global, cmd);
1769 return wpa_supplicant_remove_iface(global, wpa_s);
1773 static void wpa_free_iface_info(struct wpa_interface_info *iface)
1775 struct wpa_interface_info *prev;
1779 iface = iface->next;
1781 os_free(prev->ifname);
1782 os_free(prev->desc);
1788 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
1792 struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
1795 for (i = 0; wpa_supplicant_drivers[i]; i++) {
1796 struct wpa_driver_ops *drv = wpa_supplicant_drivers[i];
1797 if (drv->get_interfaces == NULL)
1799 tmp = drv->get_interfaces(global->drv_priv);
1813 for (tmp = iface; tmp; tmp = tmp->next) {
1814 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
1815 tmp->drv_name, tmp->ifname,
1816 tmp->desc ? tmp->desc : "");
1817 if (res < 0 || res >= end - pos) {
1824 wpa_free_iface_info(iface);
1830 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
1835 struct wpa_supplicant *wpa_s;
1837 wpa_s = global->ifaces;
1842 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
1843 if (res < 0 || res >= end - pos) {
1848 wpa_s = wpa_s->next;
1854 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
1855 char *buf, size_t *resp_len)
1858 const int reply_size = 2048;
1861 wpa_hexdump_ascii(MSG_DEBUG, "RX global ctrl_iface",
1862 (const u8 *) buf, os_strlen(buf));
1864 reply = os_malloc(reply_size);
1865 if (reply == NULL) {
1870 os_memcpy(reply, "OK\n", 3);
1873 if (os_strcmp(buf, "PING") == 0) {
1874 os_memcpy(reply, "PONG\n", 5);
1876 } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
1877 if (wpa_supplicant_global_iface_add(global, buf + 14))
1879 } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
1880 if (wpa_supplicant_global_iface_remove(global, buf + 17))
1882 } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
1883 reply_len = wpa_supplicant_global_iface_list(
1884 global, reply, reply_size);
1885 } else if (os_strcmp(buf, "INTERFACES") == 0) {
1886 reply_len = wpa_supplicant_global_iface_interfaces(
1887 global, reply, reply_size);
1888 } else if (os_strcmp(buf, "TERMINATE") == 0) {
1891 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
1895 if (reply_len < 0) {
1896 os_memcpy(reply, "FAIL\n", 5);
1900 *resp_len = reply_len;