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");
wpas_clear_wps(wpa_s);
}
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, bssid);
return 0;
}
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);
wpas_clear_wps(wpa_s);
wpas_notify_wps_event_fail(wpa_s, fail);
}
static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s,
struct wps_event_fail *fail)
{
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 */
}
int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s)
{
if (!wpa_s->wps_success &&
wpa_s->current_ssid &&
eap_is_wps_pin_enrollee(&wpa_s->current_ssid->eap)) {
const u8 *bssid = wpa_s->bssid;
if (is_zero_ether_addr(bssid))
bssid = wpa_s->pending_bssid;
wpa_printf(MSG_DEBUG, "WPS: PIN registration with " MACSTR
" did not succeed - continue trying to find "
"suitable AP", MAC2STR(bssid));
wpa_blacklist_add(wpa_s, bssid);
wpa_supplicant_deauthenticate(wpa_s,
WLAN_REASON_DEAUTH_LEAVING);
wpa_s->reassociate = 1;
wpa_supplicant_req_scan(wpa_s,
wpa_s->blacklist_cleared ? 5 : 0, 0);
wpa_s->blacklist_cleared = 0;
return 1;
}
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;
wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - "
"try to associate with the received credential");
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->normal_scans = 0;
wpa_s->reassociate = 1;
wpa_supplicant_req_scan(wpa_s, 0, 0);
return 1;
}
if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid) {
wpa_printf(MSG_DEBUG, "WPS: Registration completed - waiting "
"for external credential processing");
wpas_clear_wps(wpa_s);
wpa_supplicant_deauthenticate(wpa_s,
WLAN_REASON_DEAUTH_LEAVING);
return 1;
}
return 0;
}
int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid)
{
struct wpa_ssid *ssid;
wpas_clear_wps(wpa_s);
ssid = wpas_wps_add_network(wpa_s, 0, bssid);
if (ssid == NULL)
return -1;
wpa_config_set(ssid, "phase1", "\"pbc=1\"", 0);
eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
wpa_s, NULL);
wpas_wps_reassoc(wpa_s, ssid);
return 0;
}
/* 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_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;
}
int wpas_wps_start_oob(struct wpa_supplicant *wpa_s, char *device_type,
char *path, char *method, char *name)
{
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;
}
}
if (wps->oob_conf.oob_method == OOB_METHOD_CRED)
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,
DEV_PW_DEFAULT) < 0)
return -1;
return 0;
}
int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid,
const char *pin)
{
struct wpa_ssid *ssid;
char val[30];
if (!pin)
return -1;
wpas_clear_wps(wpa_s);
ssid = wpas_wps_add_network(wpa_s, 1, bssid);
if (ssid == NULL)
return -1;
os_snprintf(val, sizeof(val), "\"pin=%s\"", pin);
wpa_config_set(ssid, "phase1", val, 0);
eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
wpa_s, NULL);
wpas_wps_reassoc(wpa_s, ssid);
return 0;
}
int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid,
const char *pin, struct wps_new_ap_settings *settings)
{
struct wpa_ssid *ssid;
char val[200];
char *pos, *end;
int res;
if (!pin)
return -1;
wpas_clear_wps(wpa_s);
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;
pos += res;
if (settings) {
res = os_snprintf(pos, end - pos, " new_ssid=%s new_auth=%s "
"new_encr=%s new_key=%s",
settings->ssid_hex, settings->auth,
settings->encr, settings->key_hex);
if (res < 0 || res >= end - pos)
return -1;
pos += res;
}
res = os_snprintf(pos, end - pos, "\"");
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, bssid);
return 0;
}
int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
const char *pin, int p2p_group, u16 dev_pw_id)
{
struct wpa_ssid *ssid;
char val[128];
unsigned int rpin = 0;
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 */
if (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 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, bssid);
return rpin;
}
int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
const char *pin)
{
struct wpa_ssid *ssid;
char val[128];
unsigned int rpin = 0;
wpas_clear_wps(wpa_s);
ssid = wpas_wps_add_network(wpa_s, 0, bssid);
if (ssid == NULL)
return -1;
if (pin)
os_snprintf(val, sizeof(val), "\"pin=%s\"", pin);
else {
rpin = wps_generate_pin();
os_snprintf(val, sizeof(val), "\"pin=%08d\"", rpin);
}
wpa_config_set(ssid, "phase1", val, 0);
eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
wpa_s, NULL);
wpas_wps_reassoc(wpa_s, ssid);
return rpin;
}
