Exemplo n.º 1
0
static void * eap_wsc_init(struct eap_sm *sm)
{
	struct eap_wsc_data *data;
	const u8 *identity;
	size_t identity_len;
	int registrar;
	struct wps_config cfg;
	const char *pos;
	const char *phase1;
	struct wps_context *wps;
	struct wps_credential new_ap_settings;
	int res;
	u8 dev_pw[WPS_OOB_DEVICE_PASSWORD_LEN];
	int nfc = 0;

	wps = sm->wps;
	if (wps == NULL) {
		wpa_printf(MSG_ERROR, "EAP-WSC: WPS context not available");
		return NULL;
	}

	identity = eap_get_config_identity(sm, &identity_len);

	if (identity && identity_len == WSC_ID_REGISTRAR_LEN &&
	    os_memcmp(identity, WSC_ID_REGISTRAR, WSC_ID_REGISTRAR_LEN) == 0)
		registrar = 1; /* Supplicant is Registrar */
	else if (identity && identity_len == WSC_ID_ENROLLEE_LEN &&
	    os_memcmp(identity, WSC_ID_ENROLLEE, WSC_ID_ENROLLEE_LEN) == 0)
		registrar = 0; /* Supplicant is Enrollee */
	else {
		wpa_hexdump_ascii(MSG_INFO, "EAP-WSC: Unexpected identity",
				  identity, identity_len);
		return NULL;
	}

	data = os_zalloc(sizeof(*data));
	if (data == NULL)
		return NULL;
	data->state = registrar ? MESG : WAIT_START;
	data->registrar = registrar;
	data->wps_ctx = wps;

	os_memset(&cfg, 0, sizeof(cfg));
	cfg.wps = wps;
	cfg.registrar = registrar;

	phase1 = eap_get_config_phase1(sm);
	if (phase1 == NULL) {
		wpa_printf(MSG_INFO, "EAP-WSC: phase1 configuration data not "
			   "set");
		os_free(data);
		return NULL;
	}

	pos = os_strstr(phase1, "pin=");
	if (pos) {
		pos += 4;
		cfg.pin = (const u8 *) pos;
		while (*pos != '\0' && *pos != ' ')
			pos++;
		cfg.pin_len = pos - (const char *) cfg.pin;
		if (cfg.pin_len >= WPS_OOB_DEVICE_PASSWORD_MIN_LEN * 2 &&
		    cfg.pin_len <= WPS_OOB_DEVICE_PASSWORD_LEN * 2 &&
		    hexstr2bin((const char *) cfg.pin, dev_pw,
			       cfg.pin_len / 2) == 0) {
			/* Convert OOB Device Password to binary */
			cfg.pin = dev_pw;
			cfg.pin_len /= 2;
		}
		if (cfg.pin_len == 6 &&
		    os_strncmp((const char *) cfg.pin, "nfc-pw", 6) == 0) {
			cfg.pin = NULL;
			cfg.pin_len = 0;
			nfc = 1;
		}
	} else {
		pos = os_strstr(phase1, "pbc=1");
		if (pos)
			cfg.pbc = 1;
	}

	if (cfg.pin == NULL && !cfg.pbc && !nfc) {
		wpa_printf(MSG_INFO, "EAP-WSC: PIN or PBC not set in phase1 "
			   "configuration data");
		os_free(data);
		return NULL;
	}

	pos = os_strstr(phase1, "dev_pw_id=");
	if (pos && cfg.pin)
		cfg.dev_pw_id = atoi(pos + 10);

	res = eap_wsc_new_ap_settings(&new_ap_settings, phase1);
	if (res < 0) {
		os_free(data);
		return NULL;
	}
	if (res == 1) {
		wpa_printf(MSG_DEBUG, "EAP-WSC: Provide new AP settings for "
			   "WPS");
		cfg.new_ap_settings = &new_ap_settings;
	}

	data->wps = wps_init(&cfg);
	if (data->wps == NULL) {
		os_free(data);
		return NULL;
	}
	res = eap_get_config_fragment_size(sm);
	if (res > 0)
		data->fragment_size = res;
	else
		data->fragment_size = WSC_FRAGMENT_SIZE;
	wpa_printf(MSG_DEBUG, "EAP-WSC: Fragment size limit %u",
		   (unsigned int) data->fragment_size);

	if (registrar && cfg.pin) {
		wps_registrar_add_pin(data->wps_ctx->registrar, NULL, NULL,
				      cfg.pin, cfg.pin_len, 0);
	}

	/* Use reduced client timeout for WPS to avoid long wait */
	if (sm->ClientTimeout > 30)
		sm->ClientTimeout = 30;

	return data;
}
Exemplo n.º 2
0
static void * eap_wsc_init(struct eap_sm *sm)
{
	struct eap_wsc_data *data;
	const u8 *identity;
	size_t identity_len;
	int registrar;
	struct wps_config cfg;
	const char *pos, *end;
	const char *phase1;
	struct wps_context *wps;
	struct wps_credential new_ap_settings;
	int res;
	int nfc = 0;
	u8 pkhash[WPS_OOB_PUBKEY_HASH_LEN];

	wps = sm->wps;
	if (wps == NULL) {
		wpa_printf(MSG_ERROR, "EAP-WSC: WPS context not available");
		return NULL;
	}

	identity = eap_get_config_identity(sm, &identity_len);

	if (identity && identity_len == WSC_ID_REGISTRAR_LEN &&
	    os_memcmp(identity, WSC_ID_REGISTRAR, WSC_ID_REGISTRAR_LEN) == 0)
		registrar = 1; /* Supplicant is Registrar */
	else if (identity && identity_len == WSC_ID_ENROLLEE_LEN &&
	    os_memcmp(identity, WSC_ID_ENROLLEE, WSC_ID_ENROLLEE_LEN) == 0)
		registrar = 0; /* Supplicant is Enrollee */
	else {
		wpa_hexdump_ascii(MSG_INFO, "EAP-WSC: Unexpected identity",
				  identity, identity_len);
		return NULL;
	}

	data = os_zalloc(sizeof(*data));
	if (data == NULL)
		return NULL;
	data->state = registrar ? MESG : WAIT_START;
	data->registrar = registrar;
	data->wps_ctx = wps;

	os_memset(&cfg, 0, sizeof(cfg));
	cfg.wps = wps;
	cfg.registrar = registrar;

	phase1 = eap_get_config_phase1(sm);
	if (phase1 == NULL) {
		wpa_printf(MSG_INFO, "EAP-WSC: phase1 configuration data not "
			   "set");
		os_free(data);
		return NULL;
	}

	pos = os_strstr(phase1, "pin=");
	if (pos) {
		pos += 4;
		cfg.pin = (const u8 *) pos;
		while (*pos != '\0' && *pos != ' ')
			pos++;
		cfg.pin_len = pos - (const char *) cfg.pin;
		if (cfg.pin_len == 6 &&
		    os_strncmp((const char *) cfg.pin, "nfc-pw", 6) == 0) {
			cfg.pin = NULL;
			cfg.pin_len = 0;
			nfc = 1;
		}
	} else {
		pos = os_strstr(phase1, "pbc=1");
		if (pos)
			cfg.pbc = 1;
	}

	pos = os_strstr(phase1, "dev_pw_id=");
	if (pos) {
		u16 id = atoi(pos + 10);
		if (id == DEV_PW_NFC_CONNECTION_HANDOVER)
			nfc = 1;
		if (cfg.pin || id == DEV_PW_NFC_CONNECTION_HANDOVER)
			cfg.dev_pw_id = id;
	}

	if (cfg.pin == NULL && !cfg.pbc && !nfc) {
		wpa_printf(MSG_INFO, "EAP-WSC: PIN or PBC not set in phase1 "
			   "configuration data");
		os_free(data);
		return NULL;
	}

	pos = os_strstr(phase1, " pkhash=");
	if (pos) {
		size_t len;
		pos += 8;
		end = os_strchr(pos, ' ');
		if (end)
			len = end - pos;
		else
			len = os_strlen(pos);
		if (len != 2 * WPS_OOB_PUBKEY_HASH_LEN ||
		    hexstr2bin(pos, pkhash, WPS_OOB_PUBKEY_HASH_LEN)) {
			wpa_printf(MSG_INFO, "EAP-WSC: Invalid pkhash");
			os_free(data);
			return NULL;
		}
		cfg.peer_pubkey_hash = pkhash;
	}

	res = eap_wsc_new_ap_settings(&new_ap_settings, phase1);
	if (res < 0) {
		os_free(data);
		wpa_printf(MSG_DEBUG, "EAP-WSC: Failed to parse new AP "
			   "settings");
		return NULL;
	}
	if (res == 1) {
		wpa_printf(MSG_DEBUG, "EAP-WSC: Provide new AP settings for "
			   "WPS");
		cfg.new_ap_settings = &new_ap_settings;
	}

	data->wps = wps_init(&cfg);
	if (data->wps == NULL) {
		os_free(data);
		wpa_printf(MSG_DEBUG, "EAP-WSC: wps_init failed");
		return NULL;
	}
	res = eap_get_config_fragment_size(sm);
	if (res > 0)
		data->fragment_size = res;
	else
		data->fragment_size = WSC_FRAGMENT_SIZE;
	wpa_printf(MSG_DEBUG, "EAP-WSC: Fragment size limit %u",
		   (unsigned int) data->fragment_size);

	if (registrar && cfg.pin) {
		wps_registrar_add_pin(data->wps_ctx->registrar, NULL, NULL,
				      cfg.pin, cfg.pin_len, 0);
	}

	/* Use reduced client timeout for WPS to avoid long wait */
	if (sm->ClientTimeout > 30)
		sm->ClientTimeout = 30;

	return data;
}
Exemplo n.º 3
0
static void * eap_wsc_init(struct eap_sm *sm)
{
	struct eap_wsc_data *data;
	const u8 *identity;
	size_t identity_len;
	int registrar;
	struct wps_config cfg;
	const char *pos;
	const char *phase1;
	struct wps_context *wps;
	struct wps_credential new_ap_settings;
	int res;

	wps = sm->wps;
	if (wps == NULL) {
		wpa_printf(MSG_ERROR, "EAP-WSC: WPS context not available");
		return NULL;
	}

	identity = eap_get_config_identity(sm, &identity_len);

	if (identity && identity_len == WSC_ID_REGISTRAR_LEN &&
	    os_memcmp(identity, WSC_ID_REGISTRAR, WSC_ID_REGISTRAR_LEN) == 0)
		registrar = 1; /* Supplicant is Registrar */
	else if (identity && identity_len == WSC_ID_ENROLLEE_LEN &&
	    os_memcmp(identity, WSC_ID_ENROLLEE, WSC_ID_ENROLLEE_LEN) == 0)
		registrar = 0; /* Supplicant is Enrollee */
	else {
		wpa_hexdump_ascii(MSG_INFO, "EAP-WSC: Unexpected identity",
				  identity, identity_len);
		return NULL;
	}

	data = os_zalloc(sizeof(*data));
	if (data == NULL)
		return NULL;
	data->state = registrar ? MESG : WAIT_START;
	data->registrar = registrar;
	data->wps_ctx = wps;

	os_memset(&cfg, 0, sizeof(cfg));
	cfg.wps = wps;
	cfg.registrar = registrar;

	phase1 = eap_get_config_phase1(sm);
	if (phase1 == NULL) {
		wpa_printf(MSG_INFO, "EAP-WSC: phase1 configuration data not "
			   "set");
		os_free(data);
		return NULL;
	}

	pos = os_strstr(phase1, "pin=");
	if (pos) {
		pos += 4;
		cfg.pin = (const u8 *) pos;
		while (*pos != '\0' && *pos != ' ')
			pos++;
		cfg.pin_len = pos - (const char *) cfg.pin;
	} else {
		pos = os_strstr(phase1, "pbc=1");
		if (pos)
			cfg.pbc = 1;
	}

	if (cfg.pin == NULL && !cfg.pbc) {
		wpa_printf(MSG_INFO, "EAP-WSC: PIN or PBC not set in phase1 "
			   "configuration data");
		os_free(data);
		return NULL;
	}

	pos = os_strstr(phase1, "dev_pw_id=");
	if (pos && cfg.pin)
		cfg.dev_pw_id = atoi(pos + 10);

	res = eap_wsc_new_ap_settings(&new_ap_settings, phase1);
	if (res < 0) {
		os_free(data);
		return NULL;
	}
	if (res == 1) {
		wpa_printf(MSG_DEBUG, "EAP-WSC: Provide new AP settings for "
			   "WPS");
		cfg.new_ap_settings = &new_ap_settings;
	}

	data->wps = wps_init(&cfg);
	if (data->wps == NULL) {
		os_free(data);
		return NULL;
	}

	res = eap_get_config_fragment_size(sm);
	if (res > 0)
		data->fragment_size = res;
	else
	data->fragment_size = WSC_FRAGMENT_SIZE;
	wpa_printf(MSG_DEBUG, "EAP-WSC: Fragment size limit %u",
		   (unsigned int) data->fragment_size);

	if (registrar && cfg.pin) {
		wps_registrar_add_pin(data->wps_ctx->registrar, NULL,
				      cfg.pin, cfg.pin_len, 0);
	}

	return data;
}