/*
* wpa_supplicant / WPS integration
- * Copyright (c) 2008-2010, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2008-2013, 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 "blacklist.h"
#include "bss.h"
#include "scan.h"
+#include "ap.h"
#include "p2p/p2p.h"
#include "p2p_supplicant.h"
#include "wps_supplicant.h"
static void wpas_clear_wps(struct wpa_supplicant *wpa_s);
+static void wpas_wps_clear_ap_info(struct wpa_supplicant *wpa_s)
+{
+ os_free(wpa_s->wps_ap);
+ wpa_s->wps_ap = NULL;
+ wpa_s->num_wps_ap = 0;
+ wpa_s->wps_ap_iter = 0;
+}
+
+
int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s)
{
if (!wpa_s->wps_success &&
return 1;
}
+ wpas_wps_clear_ap_info(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;
+ struct wpa_bss *bss;
+ struct wpa_ssid *ssid = NULL;
+ int use_fast_assoc = 0;
+
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 = wpa_s->assoc_freq;
+ wpa_s->wps_freq = freq;
+ wpa_s->normal_scans = 0;
wpa_s->reassociate = 1;
- wpa_supplicant_req_scan(wpa_s, 0, 0);
+
+ wpa_printf(MSG_DEBUG, "WPS: Checking whether fast association "
+ "without a new scan can be used");
+ bss = wpa_supplicant_pick_network(wpa_s, &ssid);
+ if (bss) {
+ struct wpabuf *wps;
+ struct wps_parse_attr attr;
+
+ wps = wpa_bss_get_vendor_ie_multi(bss,
+ WPS_IE_VENDOR_TYPE);
+ if (wps && wps_parse_msg(wps, &attr) == 0 &&
+ attr.wps_state &&
+ *attr.wps_state == WPS_STATE_CONFIGURED)
+ use_fast_assoc = 1;
+ wpabuf_free(wps);
+ }
+
+ if (!use_fast_assoc ||
+ wpa_supplicant_fast_associate(wpa_s) != 1)
+ wpa_supplicant_req_scan(wpa_s, 0, 0);
return 1;
}
if (wpa_drv_get_capa(wpa_s, &capa))
return; /* Unknown what driver supports */
+ 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 "
}
+static void wpas_wps_remove_dup_network(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *new_ssid)
+{
+ struct wpa_ssid *ssid, *next;
+
+ for (ssid = wpa_s->conf->ssid, next = ssid ? ssid->next : NULL; ssid;
+ ssid = next, next = ssid ? ssid->next : NULL) {
+ /*
+ * new_ssid has already been added to the list in
+ * wpas_wps_add_network(), so skip it.
+ */
+ if (ssid == new_ssid)
+ continue;
+
+ if (ssid->bssid_set || new_ssid->bssid_set) {
+ if (ssid->bssid_set != new_ssid->bssid_set)
+ continue;
+ if (os_memcmp(ssid->bssid, new_ssid->bssid, ETH_ALEN) !=
+ 0)
+ continue;
+ }
+
+ /* compare SSID */
+ if (ssid->ssid_len == 0 || ssid->ssid_len != new_ssid->ssid_len)
+ continue;
+
+ if (ssid->ssid && new_ssid->ssid) {
+ if (os_memcmp(ssid->ssid, new_ssid->ssid,
+ ssid->ssid_len) != 0)
+ continue;
+ } else if (ssid->ssid || new_ssid->ssid)
+ continue;
+
+ /* compare security parameters */
+ if (ssid->auth_alg != new_ssid->auth_alg ||
+ ssid->key_mgmt != new_ssid->key_mgmt ||
+ ssid->proto != new_ssid->proto ||
+ ssid->pairwise_cipher != new_ssid->pairwise_cipher ||
+ ssid->group_cipher != new_ssid->group_cipher)
+ continue;
+
+ if (ssid->passphrase && new_ssid->passphrase) {
+ if (os_strlen(ssid->passphrase) !=
+ os_strlen(new_ssid->passphrase))
+ continue;
+ if (os_strcmp(ssid->passphrase, new_ssid->passphrase) !=
+ 0)
+ continue;
+ } else if (ssid->passphrase || new_ssid->passphrase)
+ continue;
+
+ if ((ssid->psk_set || new_ssid->psk_set) &&
+ os_memcmp(ssid->psk, new_ssid->psk, sizeof(ssid->psk)) != 0)
+ continue;
+
+ if (ssid->auth_alg == WPA_ALG_WEP) {
+ if (ssid->wep_tx_keyidx != new_ssid->wep_tx_keyidx)
+ continue;
+ if (os_memcmp(ssid->wep_key, new_ssid->wep_key,
+ sizeof(ssid->wep_key)))
+ continue;
+ if (os_memcmp(ssid->wep_key_len, new_ssid->wep_key_len,
+ sizeof(ssid->wep_key_len)))
+ continue;
+ }
+
+ /* Remove the duplicated older network entry. */
+ wpa_printf(MSG_DEBUG, "Remove duplicate network %d", ssid->id);
+ wpas_notify_network_removed(wpa_s, ssid);
+ wpa_config_remove_network(wpa_s->conf, ssid->id);
+ }
+}
+
+
static int wpa_supplicant_wps_cred(void *ctx,
const struct wps_credential *cred)
{
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) {
return 0;
}
+ if (auth_type == WPS_AUTH_WPAPSK || auth_type == WPS_AUTH_WPA2PSK) {
+ if (cred->key_len < 8 || cred->key_len > 2 * PMK_LEN) {
+ wpa_printf(MSG_ERROR, "WPS: Reject PSK credential with "
+ "invalid Network Key length %lu",
+ (unsigned long) cred->key_len);
+ return -1;
+ }
+ }
+
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)
+ if (!ssid->p2p_group) {
ssid->temporary = 0;
+ ssid->bssid_set = 0;
+ }
+ ssid->disabled_until.sec = 0;
+ ssid->disabled_until.usec = 0;
+ ssid->auth_failures = 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;
ssid->key_mgmt = WPA_KEY_MGMT_PSK;
ssid->proto = WPA_PROTO_WPA;
break;
- case WPS_AUTH_WPA:
- ssid->auth_alg = WPA_AUTH_ALG_OPEN;
- ssid->key_mgmt = WPA_KEY_MGMT_IEEE8021X;
- ssid->proto = WPA_PROTO_WPA;
- break;
- case WPS_AUTH_WPA2:
- ssid->auth_alg = WPA_AUTH_ALG_OPEN;
- ssid->key_mgmt = WPA_KEY_MGMT_IEEE8021X;
- ssid->proto = WPA_PROTO_RSN;
- break;
case WPS_AUTH_WPA2PSK:
ssid->auth_alg = WPA_AUTH_ALG_OPEN;
ssid->key_mgmt = WPA_KEY_MGMT_PSK;
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",
wpas_wps_security_workaround(wpa_s, ssid, cred);
+ if (cred->ap_channel)
+ wpa_s->wps_ap_channel = cred->ap_channel;
+
+ wpas_wps_remove_dup_network(wpa_s, ssid);
+
#ifndef CONFIG_NO_CONFIG_WRITE
if (wpa_s->conf->update_config &&
wpa_config_write(wpa_s->confname, wpa_s->conf)) {
}
#endif /* CONFIG_NO_CONFIG_WRITE */
+ /*
+ * Optimize the post-WPS scan based on the channel used during
+ * the provisioning in case EAP-Failure is not received.
+ */
+ wpa_s->after_wps = 5;
+ wpa_s->wps_freq = wpa_s->assoc_freq;
+
return 0;
}
+#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 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_ei_str(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_ei_str(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 */
+}
+
+
+static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx);
+
+static void wpas_wps_reenable_networks(struct wpa_supplicant *wpa_s)
+{
+ struct wpa_ssid *ssid;
+ int changed = 0;
+
+ eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL);
+
+ for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
+ if (ssid->disabled_for_connect && ssid->disabled) {
+ ssid->disabled_for_connect = 0;
+ ssid->disabled = 0;
+ wpas_notify_network_enabled_changed(wpa_s, ssid);
+ changed++;
+ }
+ }
+
+ if (changed) {
+#ifndef CONFIG_NO_CONFIG_WRITE
+ if (wpa_s->conf->update_config &&
+ wpa_config_write(wpa_s->confname, wpa_s->conf)) {
+ wpa_printf(MSG_DEBUG, "WPS: Failed to update "
+ "configuration");
+ }
+#endif /* CONFIG_NO_CONFIG_WRITE */
+ }
+}
+
+
+static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx)
+{
+ struct wpa_supplicant *wpa_s = eloop_ctx;
+ /* Enable the networks disabled during wpas_wps_reassoc */
+ wpas_wps_reenable_networks(wpa_s);
}
wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_SUCCESS);
wpa_s->wps_success = 1;
wpas_notify_wps_event_success(wpa_s);
+ if (wpa_s->current_ssid)
+ wpas_clear_temp_disabled(wpa_s, wpa_s->current_ssid, 1);
+ wpa_s->extra_blacklist_count = 0;
+
+ /*
+ * Enable the networks disabled during wpas_wps_reassoc after 10
+ * seconds. The 10 seconds timer is to allow the data connection to be
+ * formed before allowing other networks to be selected.
+ */
+ eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s,
+ NULL);
+
#ifdef CONFIG_P2P
wpas_p2p_wps_success(wpa_s, wpa_s->bssid, 0);
#endif /* CONFIG_P2P */
}
+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_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;
+
+ /* Enable the networks disabled during wpas_wps_reassoc */
+ wpas_wps_reenable_networks(wpa_s);
eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
while (ssid) {
if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
if (ssid == wpa_s->current_ssid) {
- wpa_s->current_ssid = NULL;
- if (ssid != NULL)
- wpas_notify_network_changed(wpa_s);
+ wpa_supplicant_deauthenticate(
+ wpa_s, WLAN_REASON_DEAUTH_LEAVING);
}
id = ssid->id;
remove_ssid = ssid;
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);
}
}
+
+ wpas_wps_clear_ap_info(wpa_s);
}
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);
}
}
-static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s,
- struct wpa_ssid *selected)
+static void wpas_wps_temp_disable(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *selected)
{
struct wpa_ssid *ssid;
+ 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);
+ ssid->disabled_for_connect = 0;
+ /*
+ * 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) {
+ if (ssid->disabled)
+ ssid->disabled_for_connect = 1;
+ wpas_notify_network_enabled_changed(wpa_s,
+ ssid);
+ }
+ }
ssid = ssid->next;
}
+}
+
+
+static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *selected, const u8 *bssid)
+{
+ struct wpa_bss *bss;
+
+ wpa_s->after_wps = 0;
+ wpa_s->known_wps_freq = 0;
+ if (bssid) {
+ bss = wpa_bss_get_bssid_latest(wpa_s, bssid);
+ if (bss && bss->freq > 0) {
+ wpa_s->known_wps_freq = 1;
+ wpa_s->wps_freq = bss->freq;
+ }
+ }
+
+ wpas_wps_temp_disable(wpa_s, selected);
+
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);
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->ssid, ssid->ssid_len);
}
}
- wpa_config_set(ssid, "phase1", "\"pbc=1\"", 0);
+#endif /* CONFIG_P2P */
+ if (wpa_config_set(ssid, "phase1", "\"pbc=1\"", 0) < 0)
+ return -1;
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;
}
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->ssid, ssid->ssid_len);
}
}
+#endif /* CONFIG_P2P */
if (pin)
os_snprintf(val, sizeof(val), "\"pin=%s dev_pw_id=%u\"",
pin, dev_pw_id);
os_snprintf(val, sizeof(val), "\"pin=%08d dev_pw_id=%u\"",
rpin, dev_pw_id);
}
- wpa_config_set(ssid, "phase1", val, 0);
+ if (wpa_config_set(ssid, "phase1", val, 0) < 0)
+ return -1;
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);
+ wpa_s->wps_ap_iter = 1;
+ wpas_wps_reassoc(wpa_s, ssid, bssid);
return rpin;
}
-#ifdef CONFIG_WPS_OOB
-int wpas_wps_start_oob(struct wpa_supplicant *wpa_s, char *device_type,
- char *path, char *method, char *name)
+/* Cancel the wps pbc/pin requests */
+int wpas_wps_cancel(struct wpa_supplicant *wpa_s)
{
- struct wps_context *wps = wpa_s->wps;
- struct oob_device_data *oob_dev;
-
- oob_dev = wps_get_oob_device(device_type);
- if (oob_dev == NULL)
- return -1;
- oob_dev->device_path = path;
- oob_dev->device_name = name;
- wps->oob_conf.oob_method = wps_get_oob_method(method);
-
- if (wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E) {
- /*
- * Use pre-configured DH keys in order to be able to write the
- * key hash into the OOB file.
- */
- wpabuf_free(wps->dh_pubkey);
- wpabuf_free(wps->dh_privkey);
- wps->dh_privkey = NULL;
- wps->dh_pubkey = NULL;
- dh5_free(wps->dh_ctx);
- wps->dh_ctx = dh5_init(&wps->dh_privkey, &wps->dh_pubkey);
- wps->dh_pubkey = wpabuf_zeropad(wps->dh_pubkey, 192);
- if (wps->dh_ctx == NULL || wps->dh_pubkey == NULL) {
- wpa_printf(MSG_ERROR, "WPS: Failed to initialize "
- "Diffie-Hellman handshake");
- return -1;
- }
+#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 (wps->oob_conf.oob_method == OOB_METHOD_CRED)
+ 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);
-
- if (wps_process_oob(wps, oob_dev, 0) < 0)
- return -1;
-
- 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) < 0)
- return -1;
+ } 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);
+ } else {
+ wpas_wps_reenable_networks(wpa_s);
+ wpas_wps_clear_ap_info(wpa_s);
+ }
return 0;
}
-#endif /* CONFIG_WPS_OOB */
int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid,
res = os_snprintf(pos, end - pos, "\"");
if (res < 0 || res >= end - pos)
return -1;
- wpa_config_set(ssid, "phase1", val, 0);
+ if (wpa_config_set(ssid, "phase1", val, 0) < 0)
+ return -1;
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;
}
}
+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)
os_free(wps);
return -1;
}
- 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");
- 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;
void wpas_wps_deinit(struct wpa_supplicant *wpa_s)
{
eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
+ eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL);
+ wpas_wps_clear_ap_info(wpa_s);
if (wpa_s->wps == NULL)
return;
wps_registrar_deinit(wpa_s->wps->registrar);
wpabuf_free(wpa_s->wps->dh_pubkey);
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;
int wpas_wps_ssid_bss_match(struct wpa_supplicant *wpa_s,
- struct wpa_ssid *ssid, struct wpa_scan_res *bss)
+ struct wpa_ssid *ssid, struct wpa_bss *bss)
{
struct wpabuf *wps_ie;
if (!(ssid->key_mgmt & WPA_KEY_MGMT_WPS))
return -1;
- wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
+ wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
if (!wps_ie) {
wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid,
- struct wpa_scan_res *bss)
+ struct wpa_bss *bss)
{
struct wpabuf *wps_ie = NULL;
int ret = 0;
if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
- wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
+ wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
if (wps_ie && wps_is_selected_pbc_registrar(wps_ie)) {
/* allow wildcard SSID for WPS PBC */
ret = 1;
}
} else if (eap_is_wps_pin_enrollee(&ssid->eap)) {
- wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
+ wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
if (wps_ie &&
(wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1) ||
wpa_s->scan_runs >= WPS_PIN_SCAN_IGNORE_SEL_REG)) {
#ifdef CONFIG_WPS_STRICT
if (wps_ie) {
if (wps_validate_beacon_probe_resp(wps_ie, bss->beacon_ie_len >
- 0) < 0)
+ 0, bss->bssid) < 0)
ret = 0;
if (bss->beacon_ie_len) {
struct wpabuf *bcn_wps;
- bcn_wps = wpa_scan_get_vendor_ie_multi_beacon(
+ bcn_wps = wpa_bss_get_vendor_ie_multi_beacon(
bss, WPS_IE_VENDOR_TYPE);
if (bcn_wps == NULL) {
wpa_printf(MSG_DEBUG, "WPS: Mandatory WPS IE "
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_bss_get_vendor_ie_multi(selected, WPS_IE_VENDOR_TYPE);
- if (wps_ie)
+ 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;
+ }
dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
struct wpabuf *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)
{
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;
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))
- wpa_msg_ctrl(wpa_s, MSG_INFO,
- WPS_EVENT_AP_AVAILABLE_AUTH);
+ 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);
}
const char *uuid, const char *pin)
{
u8 u[UUID_LEN];
- int any = 0;
-
- if (os_strcmp(uuid, "any") == 0)
- any = 1;
- else if (uuid_str2bin(uuid, u))
+ const u8 *use_uuid = NULL;
+ u8 addr_buf[ETH_ALEN];
+
+ if (os_strcmp(uuid, "any") == 0) {
+ } else if (uuid_str2bin(uuid, u) == 0) {
+ use_uuid = u;
+ } else if (hwaddr_aton(uuid, addr_buf) == 0) {
+ use_uuid = wps_er_get_sta_uuid(wpa_s->wps_er, addr_buf);
+ if (use_uuid == NULL)
+ return -1;
+ } else
return -1;
return wps_registrar_add_pin(wpa_s->wps->registrar, addr,
- any ? NULL : u,
+ use_uuid,
(const u8 *) pin, os_strlen(pin), 300);
}
int wpas_wps_er_pbc(struct wpa_supplicant *wpa_s, const char *uuid)
{
- u8 u[UUID_LEN];
+ u8 u[UUID_LEN], *use_uuid = NULL;
+ u8 addr[ETH_ALEN], *use_addr = NULL;
- if (uuid_str2bin(uuid, u))
+ if (uuid_str2bin(uuid, u) == 0)
+ use_uuid = u;
+ else if (hwaddr_aton(uuid, addr) == 0)
+ use_addr = addr;
+ else
return -1;
- return wps_er_pbc(wpa_s->wps_er, u);
+ return wps_er_pbc(wpa_s->wps_er, use_uuid, use_addr);
}
int wpas_wps_er_learn(struct wpa_supplicant *wpa_s, const char *uuid,
const char *pin)
{
- u8 u[UUID_LEN];
+ u8 u[UUID_LEN], *use_uuid = NULL;
+ u8 addr[ETH_ALEN], *use_addr = NULL;
- if (uuid_str2bin(uuid, u))
+ if (uuid_str2bin(uuid, u) == 0)
+ use_uuid = u;
+ else if (hwaddr_aton(uuid, addr) == 0)
+ use_addr = addr;
+ else
return -1;
- return wps_er_learn(wpa_s->wps_er, u, (const u8 *) pin,
+
+ return wps_er_learn(wpa_s->wps_er, use_uuid, use_addr, (const u8 *) pin,
os_strlen(pin));
}
+static int wpas_wps_network_to_cred(struct wpa_ssid *ssid,
+ struct wps_credential *cred)
+{
+ 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 0;
+}
+
+
+int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid,
+ int id)
+{
+ u8 u[UUID_LEN], *use_uuid = NULL;
+ u8 addr[ETH_ALEN], *use_addr = NULL;
+ struct wpa_ssid *ssid;
+ struct wps_credential cred;
+
+ if (uuid_str2bin(uuid, u) == 0)
+ use_uuid = u;
+ else if (hwaddr_aton(uuid, addr) == 0)
+ use_addr = addr;
+ else
+ return -1;
+ ssid = wpa_config_get_network(wpa_s->conf, id);
+ if (ssid == NULL || ssid->ssid == NULL)
+ return -1;
+
+ if (wpas_wps_network_to_cred(ssid, &cred) < 0)
+ return -1;
+ return wps_er_set_config(wpa_s->wps_er, use_uuid, use_addr, &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];
+ u8 u[UUID_LEN], *use_uuid = NULL;
+ u8 addr[ETH_ALEN], *use_addr = NULL;
struct wps_credential cred;
size_t len;
- if (uuid_str2bin(uuid, u))
+ if (uuid_str2bin(uuid, u) == 0)
+ use_uuid = u;
+ else if (hwaddr_aton(uuid, addr) == 0)
+ use_addr = addr;
+ else
return -1;
if (settings->ssid_hex == NULL || settings->auth == NULL ||
settings->encr == NULL || settings->key_hex == NULL)
else
return -1;
- return wps_er_config(wpa_s->wps_er, u, (const u8 *) pin,
- os_strlen(pin), &cred);
+ return wps_er_config(wpa_s->wps_er, use_uuid, use_addr,
+ (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], *use_uuid = NULL;
+ u8 addr[ETH_ALEN], *use_addr = NULL;
+
+ if (!wpa_s->wps_er)
+ return NULL;
+
+ if (uuid_str2bin(uuid, u) == 0)
+ use_uuid = u;
+ else if (hwaddr_aton(uuid, addr) == 0)
+ use_addr = addr;
+ else
+ return NULL;
+
+ ret = wps_er_nfc_config_token(wpa_s->wps_er, use_uuid, use_addr);
+ 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;
wps->config_methods &= ~WPS_CONFIG_LABEL;
}
}
+ wps->config_methods = wps_fix_config_methods(wps->config_methods);
+ wps->dev.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_DEVICE_TYPE) {
- 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 (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) {
- 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);
- }
+ 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)) {
wps->dev.serial_number = wpa_s->conf->serial_number;
}
}
+
+
+#ifdef CONFIG_WPS_NFC
+
+#ifdef CONFIG_WPS_ER
+static struct wpabuf *
+wpas_wps_network_config_token(struct wpa_supplicant *wpa_s, int ndef,
+ struct wpa_ssid *ssid)
+{
+ struct wpabuf *ret;
+ struct wps_credential cred;
+
+ if (wpas_wps_network_to_cred(ssid, &cred) < 0)
+ return NULL;
+
+ ret = wps_er_config_token_from_cred(wpa_s->wps, &cred);
+
+ 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_ER */
+
+
+struct wpabuf * wpas_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
+ int ndef, const char *id_str)
+{
+#ifdef CONFIG_WPS_ER
+ if (id_str) {
+ int id;
+ char *end = NULL;
+ struct wpa_ssid *ssid;
+
+ id = strtol(id_str, &end, 10);
+ if (end && *end)
+ return NULL;
+
+ ssid = wpa_config_get_network(wpa_s->conf, id);
+ if (ssid == NULL)
+ return NULL;
+ return wpas_wps_network_config_token(wpa_s, ndef, ssid);
+ }
+#endif /* CONFIG_WPS_ER */
+#ifdef CONFIG_AP
+ if (wpa_s->ap_iface)
+ return wpas_ap_wps_nfc_config_token(wpa_s, ndef);
+#endif /* CONFIG_AP */
+ return NULL;
+}
+
+
+struct wpabuf * wpas_wps_nfc_token(struct wpa_supplicant *wpa_s, int ndef)
+{
+ if (wpa_s->conf->wps_nfc_pw_from_config) {
+ return wps_nfc_token_build(ndef,
+ wpa_s->conf->wps_nfc_dev_pw_id,
+ wpa_s->conf->wps_nfc_dh_pubkey,
+ wpa_s->conf->wps_nfc_dev_pw);
+ }
+
+ 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) {
+ wpabuf_free(wps->dh_pubkey);
+ wps->dh_pubkey = NULL;
+ wpabuf_free(wps->dh_privkey);
+ wps->dh_privkey = 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)
+{
+ wpa_s->wps_ap_channel = 0;
+
+ /*
+ * Disable existing networks temporarily to allow the newly learned
+ * credential to be preferred. Enable the temporarily disabled networks
+ * after 10 seconds.
+ */
+ wpas_wps_temp_disable(wpa_s, NULL);
+ eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s,
+ NULL);
+
+ 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);
+ if (wpa_s->wps_ap_channel) {
+ u16 chan = wpa_s->wps_ap_channel;
+ int freq = 0;
+
+ if (chan >= 1 && chan <= 13)
+ freq = 2407 + 5 * chan;
+ else if (chan == 14)
+ freq = 2484;
+ else if (chan >= 30)
+ freq = 5000 + 5 * chan;
+
+ if (freq) {
+ wpa_printf(MSG_DEBUG, "WPS: Credential indicated "
+ "AP channel %u -> %u MHz", chan, freq);
+ wpa_s->after_wps = 5;
+ wpa_s->wps_freq = freq;
+ }
+ }
+ wpa_s->disconnected = 0;
+ wpa_s->reassociate = 1;
+ wpa_supplicant_req_scan(wpa_s, 0, 0);
+
+ return 0;
+}
+
+
+#ifdef CONFIG_WPS_ER
+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);
+}
+#endif /* CONFIG_WPS_ER */
+
+
+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;
+}
+
+
+struct wpabuf * wpas_wps_nfc_handover_req(struct wpa_supplicant *wpa_s, int cr)
+{
+ if (cr)
+ return ndef_build_wifi_hc(1);
+ return ndef_build_wifi_hr();
+}
+
+
+#ifdef CONFIG_WPS_NFC
+struct wpabuf * wpas_wps_er_nfc_handover_sel(struct wpa_supplicant *wpa_s,
+ int ndef, const char *uuid)
+{
+#ifdef CONFIG_WPS_ER
+ struct wpabuf *ret;
+ u8 u[UUID_LEN], *use_uuid = NULL;
+ u8 addr[ETH_ALEN], *use_addr = NULL;
+
+ if (!wpa_s->wps_er)
+ return NULL;
+
+ if (uuid == NULL)
+ return NULL;
+ if (uuid_str2bin(uuid, u) == 0)
+ use_uuid = u;
+ else if (hwaddr_aton(uuid, addr) == 0)
+ use_addr = addr;
+ else
+ return NULL;
+
+ /*
+ * Handover Select carrier record for WPS uses the same format as
+ * configuration token.
+ */
+ ret = wps_er_nfc_config_token(wpa_s->wps_er, use_uuid, use_addr);
+ if (ndef && ret) {
+ struct wpabuf *tmp;
+ tmp = ndef_build_wifi(ret);
+ wpabuf_free(ret);
+ if (tmp == NULL)
+ return NULL;
+ ret = tmp;
+ }
+
+ return ret;
+#else /* CONFIG_WPS_ER */
+ return NULL;
+#endif /* CONFIG_WPS_ER */
+}
+#endif /* CONFIG_WPS_NFC */
+
+
+struct wpabuf * wpas_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
+ int ndef, int cr, const char *uuid)
+{
+ struct wpabuf *ret;
+ if (!cr)
+ return NULL;
+ ret = wpas_ap_wps_nfc_handover_sel(wpa_s, ndef);
+ if (ret)
+ return ret;
+ return wpas_wps_er_nfc_handover_sel(wpa_s, ndef, uuid);
+}
+
+
+int wpas_wps_nfc_rx_handover_req(struct wpa_supplicant *wpa_s,
+ const struct wpabuf *data)
+{
+ /* TODO */
+ return -1;
+}
+
+
+int wpas_wps_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
+ const struct wpabuf *data)
+{
+ struct wpabuf *wps;
+ int ret;
+
+ wps = ndef_parse_wifi(data);
+ if (wps == NULL)
+ return -1;
+ wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc "
+ "payload from NFC connection handover");
+ wpa_hexdump_buf_key(MSG_DEBUG, "WPS: NFC payload", wps);
+ ret = wpas_wps_nfc_tag_process(wpa_s, wps);
+ wpabuf_free(wps);
+
+ return ret;
+}
+
+
+int wpas_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
+ const struct wpabuf *req,
+ const struct wpabuf *sel)
+{
+ wpa_printf(MSG_DEBUG, "NFC: WPS connection handover reported");
+ wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in request", req);
+ wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in select", sel);
+ return wpas_wps_nfc_rx_handover_sel(wpa_s, sel);
+}
+
+#endif /* CONFIG_WPS_NFC */
+
+
+extern int wpa_debug_level;
+
+static void wpas_wps_dump_ap_info(struct wpa_supplicant *wpa_s)
+{
+ size_t i;
+ struct os_time now;
+
+ if (wpa_debug_level > MSG_DEBUG)
+ return;
+
+ if (wpa_s->wps_ap == NULL)
+ return;
+
+ os_get_time(&now);
+
+ for (i = 0; i < wpa_s->num_wps_ap; i++) {
+ struct wps_ap_info *ap = &wpa_s->wps_ap[i];
+ struct wpa_blacklist *e = wpa_blacklist_get(wpa_s, ap->bssid);
+
+ wpa_printf(MSG_DEBUG, "WPS: AP[%d] " MACSTR " type=%d "
+ "tries=%d last_attempt=%d sec ago blacklist=%d",
+ (int) i, MAC2STR(ap->bssid), ap->type, ap->tries,
+ ap->last_attempt.sec > 0 ?
+ (int) now.sec - (int) ap->last_attempt.sec : -1,
+ e ? e->count : 0);
+ }
+}
+
+
+static struct wps_ap_info * wpas_wps_get_ap_info(struct wpa_supplicant *wpa_s,
+ const u8 *bssid)
+{
+ size_t i;
+
+ if (wpa_s->wps_ap == NULL)
+ return NULL;
+
+ for (i = 0; i < wpa_s->num_wps_ap; i++) {
+ struct wps_ap_info *ap = &wpa_s->wps_ap[i];
+ if (os_memcmp(ap->bssid, bssid, ETH_ALEN) == 0)
+ return ap;
+ }
+
+ return NULL;
+}
+
+
+static void wpas_wps_update_ap_info_bss(struct wpa_supplicant *wpa_s,
+ struct wpa_scan_res *res)
+{
+ struct wpabuf *wps;
+ enum wps_ap_info_type type;
+ struct wps_ap_info *ap;
+ int r;
+
+ if (wpa_scan_get_vendor_ie(res, WPS_IE_VENDOR_TYPE) == NULL)
+ return;
+
+ wps = wpa_scan_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE);
+ if (wps == NULL)
+ return;
+
+ r = wps_is_addr_authorized(wps, wpa_s->own_addr, 1);
+ if (r == 2)
+ type = WPS_AP_SEL_REG_OUR;
+ else if (r == 1)
+ type = WPS_AP_SEL_REG;
+ else
+ type = WPS_AP_NOT_SEL_REG;
+
+ wpabuf_free(wps);
+
+ ap = wpas_wps_get_ap_info(wpa_s, res->bssid);
+ if (ap) {
+ if (ap->type != type) {
+ wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR
+ " changed type %d -> %d",
+ MAC2STR(res->bssid), ap->type, type);
+ ap->type = type;
+ if (type != WPS_AP_NOT_SEL_REG)
+ wpa_blacklist_del(wpa_s, ap->bssid);
+ }
+ return;
+ }
+
+ ap = os_realloc_array(wpa_s->wps_ap, wpa_s->num_wps_ap + 1,
+ sizeof(struct wps_ap_info));
+ if (ap == NULL)
+ return;
+
+ wpa_s->wps_ap = ap;
+ ap = &wpa_s->wps_ap[wpa_s->num_wps_ap];
+ wpa_s->num_wps_ap++;
+
+ os_memset(ap, 0, sizeof(*ap));
+ os_memcpy(ap->bssid, res->bssid, ETH_ALEN);
+ ap->type = type;
+ wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR " type %d added",
+ MAC2STR(ap->bssid), ap->type);
+}
+
+
+void wpas_wps_update_ap_info(struct wpa_supplicant *wpa_s,
+ struct wpa_scan_results *scan_res)
+{
+ size_t i;
+
+ for (i = 0; i < scan_res->num; i++)
+ wpas_wps_update_ap_info_bss(wpa_s, scan_res->res[i]);
+
+ wpas_wps_dump_ap_info(wpa_s);
+}
+
+
+void wpas_wps_notify_assoc(struct wpa_supplicant *wpa_s, const u8 *bssid)
+{
+ struct wps_ap_info *ap;
+ if (!wpa_s->wps_ap_iter)
+ return;
+ ap = wpas_wps_get_ap_info(wpa_s, bssid);
+ if (ap == NULL)
+ return;
+ ap->tries++;
+ os_get_time(&ap->last_attempt);
+}