/*
* wpa_supplicant / WPS integration
- * Copyright (c) 2008, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2008-2012, Jouni Malinen <j@w1.fi>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Alternatively, this software may be distributed under the terms of BSD
- * license.
- *
- * See README and COPYING for more details.
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
*/
#include "includes.h"
#include "common.h"
#include "eloop.h"
#include "uuid.h"
+#include "crypto/random.h"
#include "crypto/dh_group5.h"
#include "common/ieee802_11_defs.h"
#include "common/ieee802_11_common.h"
#include "common/wpa_ctrl.h"
#include "eap_common/eap_wsc_common.h"
#include "eap_peer/eap.h"
+#include "eapol_supp/eapol_supp_sm.h"
#include "rsn_supp/wpa.h"
+#include "wps/wps_attr_parse.h"
#include "config.h"
#include "wpa_supplicant_i.h"
#include "driver_i.h"
#include "notify.h"
#include "blacklist.h"
+#include "bss.h"
+#include "scan.h"
+#include "ap.h"
+#include "p2p/p2p.h"
+#include "p2p_supplicant.h"
#include "wps_supplicant.h"
+
+#ifndef WPS_PIN_SCAN_IGNORE_SEL_REG
#define WPS_PIN_SCAN_IGNORE_SEL_REG 3
+#endif /* WPS_PIN_SCAN_IGNORE_SEL_REG */
static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx);
static void wpas_clear_wps(struct wpa_supplicant *wpa_s);
}
eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
+ if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && !wpa_s->wps_success)
+ wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_FAIL);
if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid &&
!(wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
+ int disabled = wpa_s->current_ssid->disabled;
+ unsigned int freq = wpa_s->assoc_freq;
wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - "
- "try to associate with the received credential");
+ "try to associate with the received credential "
+ "(freq=%u)", freq);
wpa_supplicant_deauthenticate(wpa_s,
WLAN_REASON_DEAUTH_LEAVING);
+ if (disabled) {
+ wpa_printf(MSG_DEBUG, "WPS: Current network is "
+ "disabled - wait for user to enable");
+ return 1;
+ }
+ wpa_s->after_wps = 5;
+ wpa_s->wps_freq = freq;
+ wpa_s->normal_scans = 0;
wpa_s->reassociate = 1;
wpa_supplicant_req_scan(wpa_s, 0, 0);
return 1;
const struct wps_credential *cred)
{
struct wpa_driver_capa capa;
- size_t i;
- struct wpa_scan_res *bss;
+ struct wpa_bss *bss;
const u8 *ie;
struct wpa_ie_data adv;
int wpa2 = 0, ccmp = 0;
if (wpa_drv_get_capa(wpa_s, &capa))
return; /* Unknown what driver supports */
- if (wpa_supplicant_get_scan_results(wpa_s) || wpa_s->scan_res == NULL)
- return; /* Could not get scan results for checking advertised
- * parameters */
-
- for (i = 0; i < wpa_s->scan_res->num; i++) {
- bss = wpa_s->scan_res->res[i];
- if (os_memcmp(bss->bssid, cred->mac_addr, ETH_ALEN) != 0)
- continue;
- ie = wpa_scan_get_ie(bss, WLAN_EID_SSID);
- if (ie == NULL)
- continue;
- if (ie[1] != ssid->ssid_len || ssid->ssid == NULL ||
- os_memcmp(ie + 2, ssid->ssid, ssid->ssid_len) != 0)
- continue;
-
- wpa_printf(MSG_DEBUG, "WPS: AP found from scan results");
- break;
- }
-
- if (i == wpa_s->scan_res->num) {
- wpa_printf(MSG_DEBUG, "WPS: The AP was not found from scan "
- "results - use credential as-is");
+ if (ssid->ssid == NULL)
+ return;
+ bss = wpa_bss_get(wpa_s, cred->mac_addr, ssid->ssid, ssid->ssid_len);
+ if (bss == NULL) {
+ wpa_printf(MSG_DEBUG, "WPS: The AP was not found from BSS "
+ "table - use credential as-is");
return;
}
- ie = wpa_scan_get_ie(bss, WLAN_EID_RSN);
+ wpa_printf(MSG_DEBUG, "WPS: AP found from BSS table");
+
+ ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0) {
wpa2 = 1;
if (adv.pairwise_cipher & WPA_CIPHER_CCMP)
ccmp = 1;
} else {
- ie = wpa_scan_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
+ ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0 &&
adv.pairwise_cipher & WPA_CIPHER_CCMP)
ccmp = 1;
struct wpa_ssid *ssid = wpa_s->current_ssid;
u8 key_idx = 0;
u16 auth_type;
+#ifdef CONFIG_WPS_REG_DISABLE_OPEN
+ int registrar = 0;
+#endif /* CONFIG_WPS_REG_DISABLE_OPEN */
if ((wpa_s->conf->wps_cred_processing == 1 ||
wpa_s->conf->wps_cred_processing == 2) && cred->cred_attr) {
if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
wpa_printf(MSG_DEBUG, "WPS: Replace WPS network block based "
"on the received credential");
+#ifdef CONFIG_WPS_REG_DISABLE_OPEN
+ if (ssid->eap.identity &&
+ ssid->eap.identity_len == WSC_ID_REGISTRAR_LEN &&
+ os_memcmp(ssid->eap.identity, WSC_ID_REGISTRAR,
+ WSC_ID_REGISTRAR_LEN) == 0)
+ registrar = 1;
+#endif /* CONFIG_WPS_REG_DISABLE_OPEN */
os_free(ssid->eap.identity);
ssid->eap.identity = NULL;
ssid->eap.identity_len = 0;
ssid->eap.phase1 = NULL;
os_free(ssid->eap.eap_methods);
ssid->eap.eap_methods = NULL;
+ if (!ssid->p2p_group)
+ ssid->temporary = 0;
+ ssid->bssid_set = 0;
} else {
wpa_printf(MSG_DEBUG, "WPS: Create a new network based on the "
"received credential");
ssid->auth_alg = WPA_AUTH_ALG_OPEN;
ssid->key_mgmt = WPA_KEY_MGMT_NONE;
ssid->proto = 0;
+#ifdef CONFIG_WPS_REG_DISABLE_OPEN
+ if (registrar) {
+ wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OPEN_NETWORK
+ "id=%d - Credentials for an open "
+ "network disabled by default - use "
+ "'select_network %d' to enable",
+ ssid->id, ssid->id);
+ ssid->disabled = 1;
+ }
+#endif /* CONFIG_WPS_REG_DISABLE_OPEN */
break;
case WPS_AUTH_SHARED:
ssid->auth_alg = WPA_AUTH_ALG_SHARED;
return -1;
}
ssid->psk_set = 1;
+ ssid->export_keys = 1;
} else if (cred->key_len >= 8 && cred->key_len < 2 * PMK_LEN) {
os_free(ssid->passphrase);
ssid->passphrase = os_malloc(cred->key_len + 1);
os_memcpy(ssid->passphrase, cred->key, cred->key_len);
ssid->passphrase[cred->key_len] = '\0';
wpa_config_update_psk(ssid);
+ ssid->export_keys = 1;
} else {
wpa_printf(MSG_ERROR, "WPS: Invalid Network Key "
"length %lu",
}
+#ifdef CONFIG_P2P
+static void wpas_wps_pbc_overlap_cb(void *eloop_ctx, void *timeout_ctx)
+{
+ struct wpa_supplicant *wpa_s = eloop_ctx;
+ wpas_p2p_notif_pbc_overlap(wpa_s);
+}
+#endif /* CONFIG_P2P */
+
+
static void wpa_supplicant_wps_event_m2d(struct wpa_supplicant *wpa_s,
struct wps_event_m2d *m2d)
{
"dev_password_id=%d config_error=%d",
m2d->dev_password_id, m2d->config_error);
wpas_notify_wps_event_m2d(wpa_s, m2d);
+#ifdef CONFIG_P2P
+ if (wpa_s->parent && wpa_s->parent != wpa_s) {
+ wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_M2D
+ "dev_password_id=%d config_error=%d",
+ m2d->dev_password_id, m2d->config_error);
+ }
+ if (m2d->config_error == WPS_CFG_MULTIPLE_PBC_DETECTED) {
+ /*
+ * Notify P2P from eloop timeout to avoid issues with the
+ * interface getting removed while processing a message.
+ */
+ eloop_register_timeout(0, 0, wpas_wps_pbc_overlap_cb, wpa_s,
+ NULL);
+ }
+#endif /* CONFIG_P2P */
}
+static const char * wps_event_fail_reason[NUM_WPS_EI_VALUES] = {
+ "No Error", /* WPS_EI_NO_ERROR */
+ "TKIP Only Prohibited", /* WPS_EI_SECURITY_TKIP_ONLY_PROHIBITED */
+ "WEP Prohibited" /* WPS_EI_SECURITY_WEP_PROHIBITED */
+};
+
static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s,
struct wps_event_fail *fail)
{
- wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_FAIL "msg=%d", fail->msg);
+ if (fail->error_indication > 0 &&
+ fail->error_indication < NUM_WPS_EI_VALUES) {
+ wpa_msg(wpa_s, MSG_INFO,
+ WPS_EVENT_FAIL "msg=%d config_error=%d reason=%d (%s)",
+ fail->msg, fail->config_error, fail->error_indication,
+ wps_event_fail_reason[fail->error_indication]);
+ if (wpa_s->parent && wpa_s->parent != wpa_s)
+ wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
+ "msg=%d config_error=%d reason=%d (%s)",
+ fail->msg, fail->config_error,
+ fail->error_indication,
+ wps_event_fail_reason[fail->error_indication]);
+ } else {
+ wpa_msg(wpa_s, MSG_INFO,
+ WPS_EVENT_FAIL "msg=%d config_error=%d",
+ fail->msg, fail->config_error);
+ if (wpa_s->parent && wpa_s->parent != wpa_s)
+ wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
+ "msg=%d config_error=%d",
+ fail->msg, fail->config_error);
+ }
wpas_clear_wps(wpa_s);
wpas_notify_wps_event_fail(wpa_s, fail);
+#ifdef CONFIG_P2P
+ wpas_p2p_wps_failed(wpa_s, fail);
+#endif /* CONFIG_P2P */
}
wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_SUCCESS);
wpa_s->wps_success = 1;
wpas_notify_wps_event_success(wpa_s);
+#ifdef CONFIG_P2P
+ wpas_p2p_wps_success(wpa_s, wpa_s->bssid, 0);
+#endif /* CONFIG_P2P */
}
}
+static void wpa_supplicant_wps_event_er_ap_settings(
+ struct wpa_supplicant *wpa_s,
+ struct wps_event_er_ap_settings *ap_settings)
+{
+ char uuid_str[100];
+ char key_str[65];
+ const struct wps_credential *cred = ap_settings->cred;
+
+ key_str[0] = '\0';
+ if (cred->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) {
+ if (cred->key_len >= 8 && cred->key_len <= 64) {
+ os_memcpy(key_str, cred->key, cred->key_len);
+ key_str[cred->key_len] = '\0';
+ }
+ }
+
+ uuid_bin2str(ap_settings->uuid, uuid_str, sizeof(uuid_str));
+ /* Use wpa_msg_ctrl to avoid showing the key in debug log */
+ wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_SETTINGS
+ "uuid=%s ssid=%s auth_type=0x%04x encr_type=0x%04x "
+ "key=%s",
+ uuid_str, wpa_ssid_txt(cred->ssid, cred->ssid_len),
+ cred->auth_type, cred->encr_type, key_str);
+}
+
+
+static void wpa_supplicant_wps_event_er_set_sel_reg(
+ struct wpa_supplicant *wpa_s,
+ struct wps_event_er_set_selected_registrar *ev)
+{
+ char uuid_str[100];
+
+ uuid_bin2str(ev->uuid, uuid_str, sizeof(uuid_str));
+ switch (ev->state) {
+ case WPS_ER_SET_SEL_REG_START:
+ wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG
+ "uuid=%s state=START sel_reg=%d dev_passwd_id=%u "
+ "sel_reg_config_methods=0x%x",
+ uuid_str, ev->sel_reg, ev->dev_passwd_id,
+ ev->sel_reg_config_methods);
+ break;
+ case WPS_ER_SET_SEL_REG_DONE:
+ wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG
+ "uuid=%s state=DONE", uuid_str);
+ break;
+ case WPS_ER_SET_SEL_REG_FAILED:
+ wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_SET_SEL_REG
+ "uuid=%s state=FAILED", uuid_str);
+ break;
+ }
+}
+
+
static void wpa_supplicant_wps_event(void *ctx, enum wps_event event,
union wps_event_data *data)
{
wpa_supplicant_wps_event_success(wpa_s);
break;
case WPS_EV_PWD_AUTH_FAIL:
+#ifdef CONFIG_AP
+ if (wpa_s->ap_iface && data->pwd_auth_fail.enrollee)
+ wpa_supplicant_ap_pwd_auth_fail(wpa_s);
+#endif /* CONFIG_AP */
break;
case WPS_EV_PBC_OVERLAP:
break;
wpa_supplicant_wps_event_er_enrollee_remove(wpa_s,
&data->enrollee);
break;
+ case WPS_EV_ER_AP_SETTINGS:
+ wpa_supplicant_wps_event_er_ap_settings(wpa_s,
+ &data->ap_settings);
+ break;
+ case WPS_EV_ER_SET_SELECTED_REGISTRAR:
+ wpa_supplicant_wps_event_er_set_sel_reg(wpa_s,
+ &data->set_sel_reg);
+ break;
+ case WPS_EV_AP_PIN_SUCCESS:
+ break;
}
}
static void wpas_clear_wps(struct wpa_supplicant *wpa_s)
{
int id;
- struct wpa_ssid *ssid, *remove_ssid = NULL;
+ struct wpa_ssid *ssid, *remove_ssid = NULL, *prev_current;
+
+ prev_current = wpa_s->current_ssid;
eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
id = -1;
ssid = ssid->next;
if (id >= 0) {
+ if (prev_current == remove_ssid) {
+ wpa_sm_set_config(wpa_s->wpa, NULL);
+ eapol_sm_notify_config(wpa_s->eapol, NULL,
+ NULL);
+ }
wpas_notify_network_removed(wpa_s, remove_ssid);
wpa_config_remove_network(wpa_s->conf, id);
}
static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx)
{
struct wpa_supplicant *wpa_s = eloop_ctx;
- wpa_printf(MSG_INFO, WPS_EVENT_TIMEOUT "Requested operation timed "
- "out");
+ wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_TIMEOUT "Requested operation timed "
+ "out");
wpas_clear_wps(wpa_s);
}
return NULL;
wpas_notify_network_added(wpa_s, ssid);
wpa_config_set_network_defaults(ssid);
+ ssid->temporary = 1;
if (wpa_config_set(ssid, "key_mgmt", "WPS", 0) < 0 ||
wpa_config_set(ssid, "eap", "WSC", 0) < 0 ||
wpa_config_set(ssid, "identity", registrar ?
}
if (bssid) {
- size_t i;
- struct wpa_scan_res *res;
+#ifndef CONFIG_P2P
+ struct wpa_bss *bss;
+ int count = 0;
+#endif /* CONFIG_P2P */
os_memcpy(ssid->bssid, bssid, ETH_ALEN);
ssid->bssid_set = 1;
- /* Try to get SSID from scan results */
- if (wpa_s->scan_res == NULL &&
- wpa_supplicant_get_scan_results(wpa_s) < 0)
- return ssid; /* Could not find any scan results */
-
- for (i = 0; i < wpa_s->scan_res->num; i++) {
- const u8 *ie;
-
- res = wpa_s->scan_res->res[i];
- if (os_memcmp(bssid, res->bssid, ETH_ALEN) != 0)
+ /*
+ * Note: With P2P, the SSID may change at the time the WPS
+ * provisioning is started, so better not filter the AP based
+ * on the current SSID in the scan results.
+ */
+#ifndef CONFIG_P2P
+ dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
+ if (os_memcmp(bssid, bss->bssid, ETH_ALEN) != 0)
continue;
- ie = wpa_scan_get_ie(res, WLAN_EID_SSID);
- if (ie == NULL)
- break;
os_free(ssid->ssid);
- ssid->ssid = os_malloc(ie[1]);
+ ssid->ssid = os_malloc(bss->ssid_len);
if (ssid->ssid == NULL)
break;
- os_memcpy(ssid->ssid, ie + 2, ie[1]);
- ssid->ssid_len = ie[1];
- break;
+ os_memcpy(ssid->ssid, bss->ssid, bss->ssid_len);
+ ssid->ssid_len = bss->ssid_len;
+ wpa_hexdump_ascii(MSG_DEBUG, "WPS: Picked SSID from "
+ "scan results",
+ ssid->ssid, ssid->ssid_len);
+ count++;
}
+
+ if (count > 1) {
+ wpa_printf(MSG_DEBUG, "WPS: More than one SSID found "
+ "for the AP; use wildcard");
+ os_free(ssid->ssid);
+ ssid->ssid = NULL;
+ ssid->ssid_len = 0;
+ }
+#endif /* CONFIG_P2P */
}
return ssid;
static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s,
- struct wpa_ssid *selected)
+ struct wpa_ssid *selected, const u8 *bssid)
{
struct wpa_ssid *ssid;
+ struct wpa_bss *bss;
+
+ wpa_s->known_wps_freq = 0;
+ if (bssid) {
+ bss = wpa_bss_get_bssid(wpa_s, bssid);
+ if (bss && bss->freq > 0) {
+ wpa_s->known_wps_freq = 1;
+ wpa_s->wps_freq = bss->freq;
+ }
+ }
+
+ if (wpa_s->current_ssid)
+ wpa_supplicant_deauthenticate(
+ wpa_s, WLAN_REASON_DEAUTH_LEAVING);
/* Mark all other networks disabled and trigger reassociation */
ssid = wpa_s->conf->ssid;
while (ssid) {
int was_disabled = ssid->disabled;
- ssid->disabled = ssid != selected;
- if (was_disabled != ssid->disabled)
- wpas_notify_network_enabled_changed(wpa_s, ssid);
+ /*
+ * In case the network object corresponds to a persistent group
+ * then do not send out network disabled signal. In addition,
+ * do not change disabled status of persistent network objects
+ * from 2 to 1 should we connect to another network.
+ */
+ if (was_disabled != 2) {
+ ssid->disabled = ssid != selected;
+ if (was_disabled != ssid->disabled)
+ wpas_notify_network_enabled_changed(wpa_s,
+ ssid);
+ }
ssid = ssid->next;
}
wpa_s->disconnected = 0;
wpa_s->reassociate = 1;
wpa_s->scan_runs = 0;
+ wpa_s->normal_scans = 0;
wpa_s->wps_success = 0;
wpa_s->blacklist_cleared = 0;
wpa_supplicant_req_scan(wpa_s, 0, 0);
}
-int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid)
+int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
+ int p2p_group)
{
struct wpa_ssid *ssid;
wpas_clear_wps(wpa_s);
ssid = wpas_wps_add_network(wpa_s, 0, bssid);
if (ssid == NULL)
return -1;
+ ssid->temporary = 1;
+ ssid->p2p_group = p2p_group;
+#ifdef CONFIG_P2P
+ if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) {
+ ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1);
+ if (ssid->ssid) {
+ ssid->ssid_len = wpa_s->go_params->ssid_len;
+ os_memcpy(ssid->ssid, wpa_s->go_params->ssid,
+ ssid->ssid_len);
+ wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP "
+ "SSID", ssid->ssid, ssid->ssid_len);
+ }
+ }
+#endif /* CONFIG_P2P */
wpa_config_set(ssid, "phase1", "\"pbc=1\"", 0);
+ if (wpa_s->wps_fragment_size)
+ ssid->eap.fragment_size = wpa_s->wps_fragment_size;
eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
wpa_s, NULL);
- wpas_wps_reassoc(wpa_s, ssid);
+ wpas_wps_reassoc(wpa_s, ssid, bssid);
return 0;
}
int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
- const char *pin)
+ const char *pin, int p2p_group, u16 dev_pw_id)
{
struct wpa_ssid *ssid;
char val[128];
ssid = wpas_wps_add_network(wpa_s, 0, bssid);
if (ssid == NULL)
return -1;
+ ssid->temporary = 1;
+ ssid->p2p_group = p2p_group;
+#ifdef CONFIG_P2P
+ if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) {
+ ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1);
+ if (ssid->ssid) {
+ ssid->ssid_len = wpa_s->go_params->ssid_len;
+ os_memcpy(ssid->ssid, wpa_s->go_params->ssid,
+ ssid->ssid_len);
+ wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP "
+ "SSID", ssid->ssid, ssid->ssid_len);
+ }
+ }
+#endif /* CONFIG_P2P */
if (pin)
- os_snprintf(val, sizeof(val), "\"pin=%s\"", pin);
+ os_snprintf(val, sizeof(val), "\"pin=%s dev_pw_id=%u\"",
+ pin, dev_pw_id);
else {
rpin = wps_generate_pin();
- os_snprintf(val, sizeof(val), "\"pin=%08d\"", rpin);
+ os_snprintf(val, sizeof(val), "\"pin=%08d dev_pw_id=%u\"",
+ rpin, dev_pw_id);
}
wpa_config_set(ssid, "phase1", val, 0);
+ if (wpa_s->wps_fragment_size)
+ ssid->eap.fragment_size = wpa_s->wps_fragment_size;
eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
wpa_s, NULL);
- wpas_wps_reassoc(wpa_s, ssid);
+ wpas_wps_reassoc(wpa_s, ssid, bssid);
return rpin;
}
+/* Cancel the wps pbc/pin requests */
+int wpas_wps_cancel(struct wpa_supplicant *wpa_s)
+{
+#ifdef CONFIG_AP
+ if (wpa_s->ap_iface) {
+ wpa_printf(MSG_DEBUG, "WPS: Cancelling in AP mode");
+ return wpa_supplicant_ap_wps_cancel(wpa_s);
+ }
+#endif /* CONFIG_AP */
+
+ if (wpa_s->wpa_state == WPA_SCANNING ||
+ wpa_s->wpa_state == WPA_DISCONNECTED) {
+ wpa_printf(MSG_DEBUG, "WPS: Cancel operation - cancel scan");
+ wpa_supplicant_cancel_scan(wpa_s);
+ wpas_clear_wps(wpa_s);
+ } else if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
+ wpa_printf(MSG_DEBUG, "WPS: Cancel operation - "
+ "deauthenticate");
+ wpa_supplicant_deauthenticate(wpa_s,
+ WLAN_REASON_DEAUTH_LEAVING);
+ wpas_clear_wps(wpa_s);
+ }
+
+ return 0;
+}
+
+
#ifdef CONFIG_WPS_OOB
int wpas_wps_start_oob(struct wpa_supplicant *wpa_s, char *device_type,
char *path, char *method, char *name)
if ((wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E ||
wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_R) &&
wpas_wps_start_pin(wpa_s, NULL,
- wpabuf_head(wps->oob_conf.dev_password)) < 0)
+ wpabuf_head(wps->oob_conf.dev_password), 0,
+ DEV_PW_DEFAULT) < 0)
return -1;
return 0;
ssid = wpas_wps_add_network(wpa_s, 1, bssid);
if (ssid == NULL)
return -1;
+ ssid->temporary = 1;
pos = val;
end = pos + sizeof(val);
res = os_snprintf(pos, end - pos, "\"pin=%s", pin);
if (res < 0 || res >= end - pos)
return -1;
wpa_config_set(ssid, "phase1", val, 0);
+ if (wpa_s->wps_fragment_size)
+ ssid->eap.fragment_size = wpa_s->wps_fragment_size;
eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
wpa_s, NULL);
- wpas_wps_reassoc(wpa_s, ssid);
+ wpas_wps_reassoc(wpa_s, ssid, bssid);
return 0;
}
if (wpa_s->wps_er == NULL)
return;
+ wpa_printf(MSG_DEBUG, "WPS ER: SetSelectedRegistrar - sel_reg=%d "
+ "dev_password_id=%u sel_reg_config_methods=0x%x",
+ sel_reg, dev_passwd_id, sel_reg_config_methods);
wps_er_set_sel_reg(wpa_s->wps_er, sel_reg, dev_passwd_id,
sel_reg_config_methods);
#endif /* CONFIG_WPS_ER */
}
+static u16 wps_fix_config_methods(u16 config_methods)
+{
+#ifdef CONFIG_WPS2
+ if ((config_methods &
+ (WPS_CONFIG_DISPLAY | WPS_CONFIG_VIRT_DISPLAY |
+ WPS_CONFIG_PHY_DISPLAY)) == WPS_CONFIG_DISPLAY) {
+ wpa_printf(MSG_INFO, "WPS: Converting display to "
+ "virtual_display for WPS 2.0 compliance");
+ config_methods |= WPS_CONFIG_VIRT_DISPLAY;
+ }
+ if ((config_methods &
+ (WPS_CONFIG_PUSHBUTTON | WPS_CONFIG_VIRT_PUSHBUTTON |
+ WPS_CONFIG_PHY_PUSHBUTTON)) == WPS_CONFIG_PUSHBUTTON) {
+ wpa_printf(MSG_INFO, "WPS: Converting push_button to "
+ "virtual_push_button for WPS 2.0 compliance");
+ config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON;
+ }
+#endif /* CONFIG_WPS2 */
+
+ return config_methods;
+}
+
+
+static void wpas_wps_set_uuid(struct wpa_supplicant *wpa_s,
+ struct wps_context *wps)
+{
+ wpa_printf(MSG_DEBUG, "WPS: Set UUID for interface %s", wpa_s->ifname);
+ if (is_nil_uuid(wpa_s->conf->uuid)) {
+ struct wpa_supplicant *first;
+ first = wpa_s->global->ifaces;
+ while (first && first->next)
+ first = first->next;
+ if (first && first != wpa_s) {
+ if (wps != wpa_s->global->ifaces->wps)
+ os_memcpy(wps->uuid,
+ wpa_s->global->ifaces->wps->uuid,
+ WPS_UUID_LEN);
+ wpa_hexdump(MSG_DEBUG, "WPS: UUID from the first "
+ "interface", wps->uuid, WPS_UUID_LEN);
+ } else {
+ uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid);
+ wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC "
+ "address", wps->uuid, WPS_UUID_LEN);
+ }
+ } else {
+ os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
+ wpa_hexdump(MSG_DEBUG, "WPS: UUID based on configuration",
+ wps->uuid, WPS_UUID_LEN);
+ }
+}
+
+
+static void wpas_wps_set_vendor_ext_m1(struct wpa_supplicant *wpa_s,
+ struct wps_context *wps)
+{
+ wpabuf_free(wps->dev.vendor_ext_m1);
+ wps->dev.vendor_ext_m1 = NULL;
+
+ if (wpa_s->conf->wps_vendor_ext_m1) {
+ wps->dev.vendor_ext_m1 =
+ wpabuf_dup(wpa_s->conf->wps_vendor_ext_m1);
+ if (!wps->dev.vendor_ext_m1) {
+ wpa_printf(MSG_ERROR, "WPS: Cannot "
+ "allocate memory for vendor_ext_m1");
+ }
+ }
+}
+
+
int wpas_wps_init(struct wpa_supplicant *wpa_s)
{
struct wps_context *wps;
struct wps_registrar_config rcfg;
+ struct hostapd_hw_modes *modes;
+ u16 m;
wps = os_zalloc(sizeof(*wps));
if (wps == NULL)
wps->dev.serial_number = wpa_s->conf->serial_number;
wps->config_methods =
wps_config_methods_str2bin(wpa_s->conf->config_methods);
- if (wpa_s->conf->device_type &&
- wps_dev_type_str2bin(wpa_s->conf->device_type,
- wps->dev.pri_dev_type) < 0) {
- wpa_printf(MSG_ERROR, "WPS: Invalid device_type");
+ if ((wps->config_methods & (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) ==
+ (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) {
+ wpa_printf(MSG_ERROR, "WPS: Both Label and Display config "
+ "methods are not allowed at the same time");
os_free(wps);
return -1;
}
+ wps->config_methods = wps_fix_config_methods(wps->config_methods);
+ wps->dev.config_methods = wps->config_methods;
+ os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type,
+ WPS_DEV_TYPE_LEN);
+
+ wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
+ os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type,
+ WPS_DEV_TYPE_LEN * wps->dev.num_sec_dev_types);
+
+ wpas_wps_set_vendor_ext_m1(wpa_s, wps);
+
wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
- wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ; /* TODO: config */
+ modes = wpa_s->hw.modes;
+ if (modes) {
+ for (m = 0; m < wpa_s->hw.num_modes; m++) {
+ if (modes[m].mode == HOSTAPD_MODE_IEEE80211B ||
+ modes[m].mode == HOSTAPD_MODE_IEEE80211G)
+ wps->dev.rf_bands |= WPS_RF_24GHZ;
+ else if (modes[m].mode == HOSTAPD_MODE_IEEE80211A)
+ wps->dev.rf_bands |= WPS_RF_50GHZ;
+ }
+ }
+ if (wps->dev.rf_bands == 0) {
+ /*
+ * Default to claiming support for both bands if the driver
+ * does not provide support for fetching supported bands.
+ */
+ wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ;
+ }
os_memcpy(wps->dev.mac_addr, wpa_s->own_addr, ETH_ALEN);
- if (is_nil_uuid(wpa_s->conf->uuid)) {
- uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid);
- wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC address",
- wps->uuid, WPS_UUID_LEN);
- } else
- os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
+ wpas_wps_set_uuid(wpa_s, wps);
wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK;
wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP;
wpabuf_free(wpa_s->wps->dh_privkey);
wpabuf_free(wpa_s->wps->oob_conf.pubkey_hash);
wpabuf_free(wpa_s->wps->oob_conf.dev_password);
+ wpabuf_free(wpa_s->wps->dev.vendor_ext_m1);
os_free(wpa_s->wps->network_key);
os_free(wpa_s->wps);
wpa_s->wps = NULL;
}
/*
- * Start with WPS APs that advertise active PIN Registrar and
- * allow any WPS AP after third scan since some APs do not set
- * Selected Registrar attribute properly when using external
- * Registrar.
+ * Start with WPS APs that advertise our address as an
+ * authorized MAC (v2.0) or active PIN Registrar (v1.0) and
+ * allow any WPS AP after couple of scans since some APs do not
+ * set Selected Registrar attribute properly when using
+ * external Registrar.
*/
- if (!wps_is_selected_pin_registrar(wps_ie)) {
+ if (!wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1)) {
if (wpa_s->scan_runs < WPS_PIN_SCAN_IGNORE_SEL_REG) {
wpa_printf(MSG_DEBUG, " skip - WPS AP "
"without active PIN Registrar");
wpa_printf(MSG_DEBUG, " selected based on WPS IE");
} else {
wpa_printf(MSG_DEBUG, " selected based on WPS IE "
- "(Active PIN)");
+ "(Authorized MAC or Active PIN)");
}
wpabuf_free(wps_ie);
return 1;
} else if (eap_is_wps_pin_enrollee(&ssid->eap)) {
wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
if (wps_ie &&
- (wps_is_selected_pin_registrar(wps_ie) ||
+ (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1) ||
wpa_s->scan_runs >= WPS_PIN_SCAN_IGNORE_SEL_REG)) {
/* allow wildcard SSID for WPS PIN */
ret = 1;
ret = 1;
}
+#ifdef CONFIG_WPS_STRICT
+ if (wps_ie) {
+ if (wps_validate_beacon_probe_resp(wps_ie, bss->beacon_ie_len >
+ 0, bss->bssid) < 0)
+ ret = 0;
+ if (bss->beacon_ie_len) {
+ struct wpabuf *bcn_wps;
+ bcn_wps = wpa_scan_get_vendor_ie_multi_beacon(
+ bss, WPS_IE_VENDOR_TYPE);
+ if (bcn_wps == NULL) {
+ wpa_printf(MSG_DEBUG, "WPS: Mandatory WPS IE "
+ "missing from AP Beacon");
+ ret = 0;
+ } else {
+ if (wps_validate_beacon(wps_ie) < 0)
+ ret = 0;
+ wpabuf_free(bcn_wps);
+ }
+ }
+ }
+#endif /* CONFIG_WPS_STRICT */
+
wpabuf_free(wps_ie);
return ret;
int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s,
- struct wpa_scan_res *selected,
- struct wpa_ssid *ssid)
+ struct wpa_bss *selected, struct wpa_ssid *ssid)
{
const u8 *sel_uuid, *uuid;
- size_t i;
struct wpabuf *wps_ie;
int ret = 0;
+ struct wpa_bss *bss;
if (!eap_is_wps_pbc_enrollee(&ssid->eap))
return 0;
+ wpa_printf(MSG_DEBUG, "WPS: Check whether PBC session overlap is "
+ "present in scan results; selected BSSID " MACSTR,
+ MAC2STR(selected->bssid));
+
/* Make sure that only one AP is in active PBC mode */
- wps_ie = wpa_scan_get_vendor_ie_multi(selected, WPS_IE_VENDOR_TYPE);
- if (wps_ie)
+ wps_ie = wpa_bss_get_vendor_ie_multi(selected, WPS_IE_VENDOR_TYPE);
+ if (wps_ie) {
sel_uuid = wps_get_uuid_e(wps_ie);
- else
+ wpa_hexdump(MSG_DEBUG, "WPS: UUID of the selected BSS",
+ sel_uuid, UUID_LEN);
+ } else {
+ wpa_printf(MSG_DEBUG, "WPS: Selected BSS does not include "
+ "WPS IE?!");
sel_uuid = NULL;
+ }
- for (i = 0; i < wpa_s->scan_res->num; i++) {
- struct wpa_scan_res *bss = wpa_s->scan_res->res[i];
+ dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
struct wpabuf *ie;
if (bss == selected)
continue;
- ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
+ ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
if (!ie)
continue;
if (!wps_is_selected_pbc_registrar(ie)) {
wpabuf_free(ie);
continue;
}
+ wpa_printf(MSG_DEBUG, "WPS: Another BSS in active PBC mode: "
+ MACSTR, MAC2STR(bss->bssid));
uuid = wps_get_uuid_e(ie);
+ wpa_hexdump(MSG_DEBUG, "WPS: UUID of the other BSS",
+ uuid, UUID_LEN);
if (sel_uuid == NULL || uuid == NULL ||
- os_memcmp(sel_uuid, uuid, 16) != 0) {
+ os_memcmp(sel_uuid, uuid, UUID_LEN) != 0) {
ret = 1; /* PBC overlap */
+ wpa_msg(wpa_s, MSG_INFO, "WPS: PBC overlap detected: "
+ MACSTR " and " MACSTR,
+ MAC2STR(selected->bssid),
+ MAC2STR(bss->bssid));
wpabuf_free(ie);
break;
}
void wpas_wps_notify_scan_results(struct wpa_supplicant *wpa_s)
{
- size_t i;
+ struct wpa_bss *bss;
+ unsigned int pbc = 0, auth = 0, pin = 0, wps = 0;
if (wpa_s->disconnected || wpa_s->wpa_state >= WPA_ASSOCIATED)
return;
- for (i = 0; i < wpa_s->scan_res->num; i++) {
- struct wpa_scan_res *bss = wpa_s->scan_res->res[i];
+ dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
struct wpabuf *ie;
- ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
+ ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
if (!ie)
continue;
if (wps_is_selected_pbc_registrar(ie))
- wpa_msg_ctrl(wpa_s, MSG_INFO,
- WPS_EVENT_AP_AVAILABLE_PBC);
+ pbc++;
+ else if (wps_is_addr_authorized(ie, wpa_s->own_addr, 0))
+ auth++;
else if (wps_is_selected_pin_registrar(ie))
- wpa_msg_ctrl(wpa_s, MSG_INFO,
- WPS_EVENT_AP_AVAILABLE_PIN);
+ pin++;
else
- wpa_msg_ctrl(wpa_s, MSG_INFO,
- WPS_EVENT_AP_AVAILABLE);
+ wps++;
wpabuf_free(ie);
- break;
}
+
+ if (pbc)
+ wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PBC);
+ else if (auth)
+ wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_AUTH);
+ else if (pin)
+ wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PIN);
+ else if (wps)
+ wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE);
}
}
-int wpas_wps_er_start(struct wpa_supplicant *wpa_s)
+int wpas_wps_er_start(struct wpa_supplicant *wpa_s, const char *filter)
{
#ifdef CONFIG_WPS_ER
if (wpa_s->wps_er) {
wps_er_refresh(wpa_s->wps_er);
return 0;
}
- wpa_s->wps_er = wps_er_init(wpa_s->wps, wpa_s->ifname);
+ wpa_s->wps_er = wps_er_init(wpa_s->wps, wpa_s->ifname, filter);
if (wpa_s->wps_er == NULL)
return -1;
return 0;
#ifdef CONFIG_WPS_ER
-int wpas_wps_er_add_pin(struct wpa_supplicant *wpa_s, const char *uuid,
- const char *pin)
+int wpas_wps_er_add_pin(struct wpa_supplicant *wpa_s, const u8 *addr,
+ const char *uuid, const char *pin)
{
u8 u[UUID_LEN];
int any = 0;
any = 1;
else if (uuid_str2bin(uuid, u))
return -1;
- return wps_registrar_add_pin(wpa_s->wps->registrar, any ? NULL : u,
+ return wps_registrar_add_pin(wpa_s->wps->registrar, addr,
+ any ? NULL : u,
(const u8 *) pin, os_strlen(pin), 300);
}
}
+int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid,
+ int id)
+{
+ u8 u[UUID_LEN];
+ struct wpa_ssid *ssid;
+ struct wps_credential cred;
+
+ if (uuid_str2bin(uuid, u))
+ return -1;
+ ssid = wpa_config_get_network(wpa_s->conf, id);
+ if (ssid == NULL || ssid->ssid == NULL)
+ return -1;
+
+ os_memset(&cred, 0, sizeof(cred));
+ if (ssid->ssid_len > 32)
+ return -1;
+ os_memcpy(cred.ssid, ssid->ssid, ssid->ssid_len);
+ cred.ssid_len = ssid->ssid_len;
+ if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) {
+ cred.auth_type = (ssid->proto & WPA_PROTO_RSN) ?
+ WPS_AUTH_WPA2PSK : WPS_AUTH_WPAPSK;
+ if (ssid->pairwise_cipher & WPA_CIPHER_CCMP)
+ cred.encr_type = WPS_ENCR_AES;
+ else
+ cred.encr_type = WPS_ENCR_TKIP;
+ if (ssid->passphrase) {
+ cred.key_len = os_strlen(ssid->passphrase);
+ if (cred.key_len >= 64)
+ return -1;
+ os_memcpy(cred.key, ssid->passphrase, cred.key_len);
+ } else if (ssid->psk_set) {
+ cred.key_len = 32;
+ os_memcpy(cred.key, ssid->psk, 32);
+ } else
+ return -1;
+ } else {
+ cred.auth_type = WPS_AUTH_OPEN;
+ cred.encr_type = WPS_ENCR_NONE;
+ }
+ return wps_er_set_config(wpa_s->wps_er, u, &cred);
+}
+
+
+int wpas_wps_er_config(struct wpa_supplicant *wpa_s, const char *uuid,
+ const char *pin, struct wps_new_ap_settings *settings)
+{
+ u8 u[UUID_LEN];
+ struct wps_credential cred;
+ size_t len;
+
+ if (uuid_str2bin(uuid, u))
+ return -1;
+ if (settings->ssid_hex == NULL || settings->auth == NULL ||
+ settings->encr == NULL || settings->key_hex == NULL)
+ return -1;
+
+ os_memset(&cred, 0, sizeof(cred));
+ len = os_strlen(settings->ssid_hex);
+ if ((len & 1) || len > 2 * sizeof(cred.ssid) ||
+ hexstr2bin(settings->ssid_hex, cred.ssid, len / 2))
+ return -1;
+ cred.ssid_len = len / 2;
+
+ len = os_strlen(settings->key_hex);
+ if ((len & 1) || len > 2 * sizeof(cred.key) ||
+ hexstr2bin(settings->key_hex, cred.key, len / 2))
+ return -1;
+ cred.key_len = len / 2;
+
+ if (os_strcmp(settings->auth, "OPEN") == 0)
+ cred.auth_type = WPS_AUTH_OPEN;
+ else if (os_strcmp(settings->auth, "WPAPSK") == 0)
+ cred.auth_type = WPS_AUTH_WPAPSK;
+ else if (os_strcmp(settings->auth, "WPA2PSK") == 0)
+ cred.auth_type = WPS_AUTH_WPA2PSK;
+ else
+ return -1;
+
+ if (os_strcmp(settings->encr, "NONE") == 0)
+ cred.encr_type = WPS_ENCR_NONE;
+ else if (os_strcmp(settings->encr, "WEP") == 0)
+ cred.encr_type = WPS_ENCR_WEP;
+ else if (os_strcmp(settings->encr, "TKIP") == 0)
+ cred.encr_type = WPS_ENCR_TKIP;
+ else if (os_strcmp(settings->encr, "CCMP") == 0)
+ cred.encr_type = WPS_ENCR_AES;
+ else
+ return -1;
+
+ return wps_er_config(wpa_s->wps_er, u, (const u8 *) pin,
+ os_strlen(pin), &cred);
+}
+
+
+#ifdef CONFIG_WPS_NFC
+struct wpabuf * wpas_wps_er_nfc_config_token(struct wpa_supplicant *wpa_s,
+ int ndef, const char *uuid)
+{
+ struct wpabuf *ret;
+ u8 u[UUID_LEN];
+
+ if (!wpa_s->wps_er)
+ return NULL;
+
+ if (uuid_str2bin(uuid, u))
+ return NULL;
+
+ ret = wps_er_nfc_config_token(wpa_s->wps_er, u);
+ if (ndef && ret) {
+ struct wpabuf *tmp;
+ tmp = ndef_build_wifi(ret);
+ wpabuf_free(ret);
+ if (tmp == NULL)
+ return NULL;
+ ret = tmp;
+ }
+
+ return ret;
+}
+#endif /* CONFIG_WPS_NFC */
+
+
+static int callbacks_pending = 0;
+
static void wpas_wps_terminate_cb(void *ctx)
{
wpa_printf(MSG_DEBUG, "WPS ER: Terminated");
- eloop_terminate();
+ if (--callbacks_pending <= 0)
+ eloop_terminate();
}
#endif /* CONFIG_WPS_ER */
{
#ifdef CONFIG_WPS_ER
if (wpa_s->wps_er) {
+ callbacks_pending++;
wps_er_deinit(wpa_s->wps_er, wpas_wps_terminate_cb, wpa_s);
wpa_s->wps_er = NULL;
return 1;
#endif /* CONFIG_WPS_ER */
return 0;
}
+
+
+int wpas_wps_in_progress(struct wpa_supplicant *wpa_s)
+{
+ struct wpa_ssid *ssid;
+
+ for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
+ if (!ssid->disabled && ssid->key_mgmt == WPA_KEY_MGMT_WPS)
+ return 1;
+ }
+
+ return 0;
+}
+
+
+void wpas_wps_update_config(struct wpa_supplicant *wpa_s)
+{
+ struct wps_context *wps = wpa_s->wps;
+
+ if (wps == NULL)
+ return;
+
+ if (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS) {
+ wps->config_methods = wps_config_methods_str2bin(
+ wpa_s->conf->config_methods);
+ if ((wps->config_methods &
+ (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) ==
+ (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) {
+ wpa_printf(MSG_ERROR, "WPS: Both Label and Display "
+ "config methods are not allowed at the "
+ "same time");
+ wps->config_methods &= ~WPS_CONFIG_LABEL;
+ }
+ }
+ wps->config_methods = wps_fix_config_methods(wps->config_methods);
+
+ if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE)
+ os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type,
+ WPS_DEV_TYPE_LEN);
+
+ if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) {
+ wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
+ os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type,
+ wps->dev.num_sec_dev_types * WPS_DEV_TYPE_LEN);
+ }
+
+ if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION)
+ wpas_wps_set_vendor_ext_m1(wpa_s, wps);
+
+ if (wpa_s->conf->changed_parameters & CFG_CHANGED_OS_VERSION)
+ wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
+
+ if (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID)
+ wpas_wps_set_uuid(wpa_s, wps);
+
+ if (wpa_s->conf->changed_parameters &
+ (CFG_CHANGED_DEVICE_NAME | CFG_CHANGED_WPS_STRING)) {
+ /* Update pointers to make sure they refer current values */
+ wps->dev.device_name = wpa_s->conf->device_name;
+ wps->dev.manufacturer = wpa_s->conf->manufacturer;
+ wps->dev.model_name = wpa_s->conf->model_name;
+ wps->dev.model_number = wpa_s->conf->model_number;
+ wps->dev.serial_number = wpa_s->conf->serial_number;
+ }
+}
+
+
+#ifdef CONFIG_WPS_NFC
+
+struct wpabuf * wpas_wps_nfc_token(struct wpa_supplicant *wpa_s, int ndef)
+{
+ return wps_nfc_token_gen(ndef, &wpa_s->conf->wps_nfc_dev_pw_id,
+ &wpa_s->conf->wps_nfc_dh_pubkey,
+ &wpa_s->conf->wps_nfc_dh_privkey,
+ &wpa_s->conf->wps_nfc_dev_pw);
+}
+
+
+int wpas_wps_start_nfc(struct wpa_supplicant *wpa_s, const u8 *bssid)
+{
+ struct wps_context *wps = wpa_s->wps;
+ char pw[32 * 2 + 1];
+
+ if (wpa_s->conf->wps_nfc_dh_pubkey == NULL ||
+ wpa_s->conf->wps_nfc_dh_privkey == NULL ||
+ wpa_s->conf->wps_nfc_dev_pw == NULL)
+ return -1;
+
+ dh5_free(wps->dh_ctx);
+ wpabuf_free(wps->dh_pubkey);
+ wpabuf_free(wps->dh_privkey);
+ wps->dh_privkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey);
+ wps->dh_pubkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey);
+ if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
+ wps->dh_ctx = NULL;
+ wpabuf_free(wps->dh_pubkey);
+ wps->dh_pubkey = NULL;
+ wpabuf_free(wps->dh_privkey);
+ wps->dh_privkey = NULL;
+ return -1;
+ }
+ wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
+ if (wps->dh_ctx == NULL)
+ return -1;
+
+ wpa_snprintf_hex_uppercase(pw, sizeof(pw),
+ wpabuf_head(wpa_s->conf->wps_nfc_dev_pw),
+ wpabuf_len(wpa_s->conf->wps_nfc_dev_pw));
+ return wpas_wps_start_pin(wpa_s, bssid, pw, 0,
+ wpa_s->conf->wps_nfc_dev_pw_id);
+}
+
+
+static int wpas_wps_use_cred(struct wpa_supplicant *wpa_s,
+ struct wps_parse_attr *attr)
+{
+ if (wps_oob_use_cred(wpa_s->wps, attr) < 0)
+ return -1;
+
+ if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
+ return 0;
+
+ wpa_printf(MSG_DEBUG, "WPS: Request reconnection with new network "
+ "based on the received credential added");
+ wpa_s->normal_scans = 0;
+ wpa_supplicant_reinit_autoscan(wpa_s);
+ wpa_s->disconnected = 0;
+ wpa_s->reassociate = 1;
+ wpa_supplicant_req_scan(wpa_s, 0, 0);
+
+ return 0;
+}
+
+
+static int wpas_wps_add_nfc_password_token(struct wpa_supplicant *wpa_s,
+ struct wps_parse_attr *attr)
+{
+ return wps_registrar_add_nfc_password_token(
+ wpa_s->wps->registrar, attr->oob_dev_password,
+ attr->oob_dev_password_len);
+}
+
+
+static int wpas_wps_nfc_tag_process(struct wpa_supplicant *wpa_s,
+ const struct wpabuf *wps)
+{
+ struct wps_parse_attr attr;
+
+ wpa_hexdump_buf(MSG_DEBUG, "WPS: Received NFC tag payload", wps);
+
+ if (wps_parse_msg(wps, &attr)) {
+ wpa_printf(MSG_DEBUG, "WPS: Ignore invalid data from NFC tag");
+ return -1;
+ }
+
+ if (attr.num_cred)
+ return wpas_wps_use_cred(wpa_s, &attr);
+
+#ifdef CONFIG_WPS_ER
+ if (attr.oob_dev_password)
+ return wpas_wps_add_nfc_password_token(wpa_s, &attr);
+#endif /* CONFIG_WPS_ER */
+
+ wpa_printf(MSG_DEBUG, "WPS: Ignore unrecognized NFC tag");
+ return -1;
+}
+
+
+int wpas_wps_nfc_tag_read(struct wpa_supplicant *wpa_s,
+ const struct wpabuf *data)
+{
+ const struct wpabuf *wps = data;
+ struct wpabuf *tmp = NULL;
+ int ret;
+
+ if (wpabuf_len(data) < 4)
+ return -1;
+
+ if (*wpabuf_head_u8(data) != 0x10) {
+ /* Assume this contains full NDEF record */
+ tmp = ndef_parse_wifi(data);
+ if (tmp == NULL) {
+ wpa_printf(MSG_DEBUG, "WPS: Could not parse NDEF");
+ return -1;
+ }
+ wps = tmp;
+ }
+
+ ret = wpas_wps_nfc_tag_process(wpa_s, wps);
+ wpabuf_free(tmp);
+ return ret;
+}
+
+#endif /* CONFIG_WPS_NFC */
projects / mech_eap.git / blobdiff