2008-11-23 18:34:26 +01:00
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/*
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* Wi-Fi Protected Setup
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2009-09-06 12:58:15 +02:00
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* Copyright (c) 2007-2009, Jouni Malinen <j@w1.fi>
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2008-11-23 18:34:26 +01:00
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*
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2012-02-11 15:46:35 +01:00
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* This software may be distributed under the terms of the BSD license.
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* See README for more details.
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2008-11-23 18:34:26 +01:00
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*/
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#include "includes.h"
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#include "common.h"
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2009-11-29 22:04:43 +01:00
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#include "crypto/dh_group5.h"
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#include "common/ieee802_11_defs.h"
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2008-11-23 18:34:26 +01:00
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#include "wps_i.h"
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#include "wps_dev_attr.h"
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2010-09-22 04:51:23 +02:00
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#ifdef CONFIG_WPS_TESTING
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int wps_version_number = 0x20;
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int wps_testing_dummy_cred = 0;
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#endif /* CONFIG_WPS_TESTING */
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2009-01-03 18:50:49 +01:00
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/**
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* wps_init - Initialize WPS Registration protocol data
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* @cfg: WPS configuration
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* Returns: Pointer to allocated data or %NULL on failure
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*
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* This function is used to initialize WPS data for a registration protocol
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* instance (i.e., each run of registration protocol as a Registrar of
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* Enrollee. The caller is responsible for freeing this data after the
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* registration run has been completed by calling wps_deinit().
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*/
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2008-11-23 18:34:26 +01:00
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struct wps_data * wps_init(const struct wps_config *cfg)
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{
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struct wps_data *data = os_zalloc(sizeof(*data));
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if (data == NULL)
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return NULL;
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data->wps = cfg->wps;
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data->registrar = cfg->registrar;
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2009-01-01 21:56:02 +01:00
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if (cfg->registrar) {
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os_memcpy(data->uuid_r, cfg->wps->uuid, WPS_UUID_LEN);
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} else {
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os_memcpy(data->mac_addr_e, cfg->wps->dev.mac_addr, ETH_ALEN);
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os_memcpy(data->uuid_e, cfg->wps->uuid, WPS_UUID_LEN);
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2008-11-23 18:34:26 +01:00
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}
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if (cfg->pin) {
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2009-02-26 20:57:38 +01:00
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data->dev_pw_id = data->wps->oob_dev_pw_id == 0 ?
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2010-06-27 07:49:41 +02:00
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cfg->dev_pw_id : data->wps->oob_dev_pw_id;
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2008-11-23 18:34:26 +01:00
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data->dev_password = os_malloc(cfg->pin_len);
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if (data->dev_password == NULL) {
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os_free(data);
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return NULL;
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}
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os_memcpy(data->dev_password, cfg->pin, cfg->pin_len);
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data->dev_password_len = cfg->pin_len;
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}
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data->pbc = cfg->pbc;
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if (cfg->pbc) {
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/* Use special PIN '00000000' for PBC */
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data->dev_pw_id = DEV_PW_PUSHBUTTON;
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os_free(data->dev_password);
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2011-11-17 18:58:33 +01:00
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data->dev_password = (u8 *) os_strdup("00000000");
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2008-11-23 18:34:26 +01:00
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if (data->dev_password == NULL) {
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os_free(data);
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return NULL;
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}
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data->dev_password_len = 8;
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}
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data->state = data->registrar ? RECV_M1 : SEND_M1;
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2008-11-29 11:11:56 +01:00
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if (cfg->assoc_wps_ie) {
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struct wps_parse_attr attr;
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wpa_hexdump_buf(MSG_DEBUG, "WPS: WPS IE from (Re)AssocReq",
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cfg->assoc_wps_ie);
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if (wps_parse_msg(cfg->assoc_wps_ie, &attr) < 0) {
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wpa_printf(MSG_DEBUG, "WPS: Failed to parse WPS IE "
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"from (Re)AssocReq");
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} else if (attr.request_type == NULL) {
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wpa_printf(MSG_DEBUG, "WPS: No Request Type attribute "
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"in (Re)AssocReq WPS IE");
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} else {
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wpa_printf(MSG_DEBUG, "WPS: Request Type (from WPS IE "
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"in (Re)AssocReq WPS IE): %d",
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*attr.request_type);
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data->request_type = *attr.request_type;
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}
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}
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2009-09-06 12:58:15 +02:00
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if (cfg->new_ap_settings) {
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data->new_ap_settings =
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os_malloc(sizeof(*data->new_ap_settings));
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if (data->new_ap_settings == NULL) {
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os_free(data);
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return NULL;
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}
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os_memcpy(data->new_ap_settings, cfg->new_ap_settings,
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sizeof(*data->new_ap_settings));
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}
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2009-09-07 21:09:13 +02:00
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if (cfg->peer_addr)
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os_memcpy(data->peer_dev.mac_addr, cfg->peer_addr, ETH_ALEN);
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2011-02-07 17:28:36 +01:00
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if (cfg->p2p_dev_addr)
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os_memcpy(data->p2p_dev_addr, cfg->p2p_dev_addr, ETH_ALEN);
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2009-09-07 21:09:13 +02:00
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2009-12-21 11:46:19 +01:00
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data->use_psk_key = cfg->use_psk_key;
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2011-05-17 18:53:02 +02:00
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data->pbc_in_m1 = cfg->pbc_in_m1;
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2009-12-21 11:46:19 +01:00
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2008-11-23 18:34:26 +01:00
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return data;
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}
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2009-01-03 18:50:49 +01:00
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/**
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* wps_deinit - Deinitialize WPS Registration protocol data
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* @data: WPS Registration protocol data from wps_init()
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*/
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2008-11-23 18:34:26 +01:00
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void wps_deinit(struct wps_data *data)
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{
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if (data->wps_pin_revealed) {
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wpa_printf(MSG_DEBUG, "WPS: Full PIN information revealed and "
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"negotiation failed");
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if (data->registrar)
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2009-01-03 19:09:35 +01:00
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wps_registrar_invalidate_pin(data->wps->registrar,
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2008-11-23 18:34:26 +01:00
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data->uuid_e);
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} else if (data->registrar)
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2009-01-03 19:09:35 +01:00
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wps_registrar_unlock_pin(data->wps->registrar, data->uuid_e);
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2008-11-23 18:34:26 +01:00
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wpabuf_free(data->dh_privkey);
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wpabuf_free(data->dh_pubkey_e);
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wpabuf_free(data->dh_pubkey_r);
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wpabuf_free(data->last_msg);
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os_free(data->dev_password);
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os_free(data->new_psk);
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wps_device_data_free(&data->peer_dev);
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2009-09-06 12:58:15 +02:00
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os_free(data->new_ap_settings);
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2009-10-11 18:17:22 +02:00
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dh5_free(data->dh_ctx);
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2008-11-23 18:34:26 +01:00
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os_free(data);
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}
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2009-01-03 18:50:49 +01:00
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/**
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* wps_process_msg - Process a WPS message
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* @wps: WPS Registration protocol data from wps_init()
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* @op_code: Message OP Code
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* @msg: Message data
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* Returns: Processing result
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*
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* This function is used to process WPS messages with OP Codes WSC_ACK,
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* WSC_NACK, WSC_MSG, and WSC_Done. The caller (e.g., EAP server/peer) is
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* responsible for reassembling the messages before calling this function.
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* Response to this message is built by calling wps_get_msg().
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*/
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enum wps_process_res wps_process_msg(struct wps_data *wps,
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enum wsc_op_code op_code,
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2008-11-23 18:34:26 +01:00
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const struct wpabuf *msg)
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{
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if (wps->registrar)
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return wps_registrar_process_msg(wps, op_code, msg);
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else
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return wps_enrollee_process_msg(wps, op_code, msg);
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}
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2009-01-03 18:50:49 +01:00
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/**
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* wps_get_msg - Build a WPS message
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* @wps: WPS Registration protocol data from wps_init()
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* @op_code: Buffer for returning message OP Code
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* Returns: The generated WPS message or %NULL on failure
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*
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* This function is used to build a response to a message processed by calling
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* wps_process_msg(). The caller is responsible for freeing the buffer.
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*/
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struct wpabuf * wps_get_msg(struct wps_data *wps, enum wsc_op_code *op_code)
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2008-11-23 18:34:26 +01:00
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{
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if (wps->registrar)
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return wps_registrar_get_msg(wps, op_code);
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else
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return wps_enrollee_get_msg(wps, op_code);
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}
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2009-01-03 18:50:49 +01:00
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/**
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* wps_is_selected_pbc_registrar - Check whether WPS IE indicates active PBC
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* @msg: WPS IE contents from Beacon or Probe Response frame
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* Returns: 1 if PBC Registrar is active, 0 if not
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*/
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2008-11-29 21:06:34 +01:00
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int wps_is_selected_pbc_registrar(const struct wpabuf *msg)
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2008-11-23 18:34:26 +01:00
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{
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struct wps_parse_attr attr;
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2008-12-25 19:33:00 +01:00
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/*
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* In theory, this could also verify that attr.sel_reg_config_methods
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* includes WPS_CONFIG_PUSHBUTTON, but some deployed AP implementations
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* do not set Selected Registrar Config Methods attribute properly, so
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* it is safer to just use Device Password ID here.
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*/
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2008-11-29 21:06:34 +01:00
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if (wps_parse_msg(msg, &attr) < 0 ||
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2008-11-23 18:34:26 +01:00
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!attr.selected_registrar || *attr.selected_registrar == 0 ||
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!attr.dev_password_id ||
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WPA_GET_BE16(attr.dev_password_id) != DEV_PW_PUSHBUTTON)
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return 0;
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2010-05-26 10:16:54 +02:00
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#ifdef CONFIG_WPS_STRICT
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if (!attr.sel_reg_config_methods ||
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!(WPA_GET_BE16(attr.sel_reg_config_methods) &
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WPS_CONFIG_PUSHBUTTON))
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return 0;
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#endif /* CONFIG_WPS_STRICT */
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2008-11-23 18:34:26 +01:00
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return 1;
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}
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2009-12-12 15:40:10 +01:00
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static int is_selected_pin_registrar(struct wps_parse_attr *attr)
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2008-11-23 18:34:26 +01:00
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{
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2008-12-25 19:33:00 +01:00
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/*
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* In theory, this could also verify that attr.sel_reg_config_methods
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* includes WPS_CONFIG_LABEL, WPS_CONFIG_DISPLAY, or WPS_CONFIG_KEYPAD,
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* but some deployed AP implementations do not set Selected Registrar
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* Config Methods attribute properly, so it is safer to just use
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* Device Password ID here.
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*/
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2009-12-12 15:40:10 +01:00
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if (!attr->selected_registrar || *attr->selected_registrar == 0)
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return 0;
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if (attr->dev_password_id != NULL &&
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WPA_GET_BE16(attr->dev_password_id) == DEV_PW_PUSHBUTTON)
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return 0;
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2010-05-26 10:16:54 +02:00
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#ifdef CONFIG_WPS_STRICT
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if (!attr->sel_reg_config_methods ||
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!(WPA_GET_BE16(attr->sel_reg_config_methods) &
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(WPS_CONFIG_LABEL | WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD)))
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return 0;
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#endif /* CONFIG_WPS_STRICT */
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2009-12-12 15:40:10 +01:00
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return 1;
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}
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/**
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* wps_is_selected_pin_registrar - Check whether WPS IE indicates active PIN
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* @msg: WPS IE contents from Beacon or Probe Response frame
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* Returns: 1 if PIN Registrar is active, 0 if not
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*/
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int wps_is_selected_pin_registrar(const struct wpabuf *msg)
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{
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struct wps_parse_attr attr;
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2009-01-22 14:12:18 +01:00
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if (wps_parse_msg(msg, &attr) < 0)
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return 0;
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2009-12-12 15:40:10 +01:00
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return is_selected_pin_registrar(&attr);
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}
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/**
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* wps_is_addr_authorized - Check whether WPS IE authorizes MAC address
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* @msg: WPS IE contents from Beacon or Probe Response frame
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* @addr: MAC address to search for
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* @ver1_compat: Whether to use version 1 compatibility mode
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* Returns: 1 if address is authorized, 0 if not
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*/
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int wps_is_addr_authorized(const struct wpabuf *msg, const u8 *addr,
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int ver1_compat)
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{
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struct wps_parse_attr attr;
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unsigned int i;
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const u8 *pos;
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2010-09-22 04:36:44 +02:00
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const u8 bcast[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
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2009-12-12 15:40:10 +01:00
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if (wps_parse_msg(msg, &attr) < 0)
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2009-01-22 14:12:18 +01:00
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return 0;
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2009-12-12 15:40:10 +01:00
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if (!attr.version2 && ver1_compat) {
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/*
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* Version 1.0 AP - AuthorizedMACs not used, so revert back to
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* old mechanism of using SelectedRegistrar.
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*/
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return is_selected_pin_registrar(&attr);
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}
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if (!attr.authorized_macs)
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2008-11-23 18:34:26 +01:00
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return 0;
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2009-12-12 15:40:10 +01:00
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pos = attr.authorized_macs;
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for (i = 0; i < attr.authorized_macs_len / ETH_ALEN; i++) {
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2010-09-22 04:36:44 +02:00
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if (os_memcmp(pos, addr, ETH_ALEN) == 0 ||
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os_memcmp(pos, bcast, ETH_ALEN) == 0)
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2009-12-12 15:40:10 +01:00
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return 1;
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pos += ETH_ALEN;
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}
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return 0;
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2008-11-23 18:34:26 +01:00
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}
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2010-06-11 22:50:13 +02:00
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/**
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* wps_ap_priority_compar - Prioritize WPS IE from two APs
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* @wps_a: WPS IE contents from Beacon or Probe Response frame
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* @wps_b: WPS IE contents from Beacon or Probe Response frame
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* Returns: 1 if wps_b is considered more likely selection for WPS
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* provisioning, -1 if wps_a is considered more like, or 0 if no preference
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*/
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int wps_ap_priority_compar(const struct wpabuf *wps_a,
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|
const struct wpabuf *wps_b)
|
|
|
|
{
|
|
|
|
struct wps_parse_attr attr_a, attr_b;
|
|
|
|
int sel_a, sel_b;
|
|
|
|
|
|
|
|
if (wps_a == NULL || wps_parse_msg(wps_a, &attr_a) < 0)
|
|
|
|
return 1;
|
|
|
|
if (wps_b == NULL || wps_parse_msg(wps_b, &attr_b) < 0)
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
sel_a = attr_a.selected_registrar && *attr_a.selected_registrar != 0;
|
|
|
|
sel_b = attr_b.selected_registrar && *attr_b.selected_registrar != 0;
|
|
|
|
|
|
|
|
if (sel_a && !sel_b)
|
|
|
|
return -1;
|
|
|
|
if (!sel_a && sel_b)
|
|
|
|
return 1;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-01-03 18:50:49 +01:00
|
|
|
/**
|
|
|
|
* wps_get_uuid_e - Get UUID-E from WPS IE
|
|
|
|
* @msg: WPS IE contents from Beacon or Probe Response frame
|
|
|
|
* Returns: Pointer to UUID-E or %NULL if not included
|
|
|
|
*
|
|
|
|
* The returned pointer is to the msg contents and it remains valid only as
|
|
|
|
* long as the msg buffer is valid.
|
|
|
|
*/
|
2008-11-29 21:06:34 +01:00
|
|
|
const u8 * wps_get_uuid_e(const struct wpabuf *msg)
|
2008-11-23 18:34:26 +01:00
|
|
|
{
|
|
|
|
struct wps_parse_attr attr;
|
|
|
|
|
2008-11-29 21:06:34 +01:00
|
|
|
if (wps_parse_msg(msg, &attr) < 0)
|
2008-11-23 18:34:26 +01:00
|
|
|
return NULL;
|
|
|
|
return attr.uuid_e;
|
|
|
|
}
|
2008-11-29 12:21:28 +01:00
|
|
|
|
|
|
|
|
2011-08-28 18:16:59 +02:00
|
|
|
/**
|
|
|
|
* wps_is_20 - Check whether WPS attributes claim support for WPS 2.0
|
|
|
|
*/
|
|
|
|
int wps_is_20(const struct wpabuf *msg)
|
|
|
|
{
|
|
|
|
struct wps_parse_attr attr;
|
|
|
|
|
|
|
|
if (msg == NULL || wps_parse_msg(msg, &attr) < 0)
|
|
|
|
return 0;
|
|
|
|
return attr.version2 != NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-01-03 18:50:49 +01:00
|
|
|
/**
|
|
|
|
* wps_build_assoc_req_ie - Build WPS IE for (Re)Association Request
|
|
|
|
* @req_type: Value for Request Type attribute
|
|
|
|
* Returns: WPS IE or %NULL on failure
|
|
|
|
*
|
|
|
|
* The caller is responsible for freeing the buffer.
|
|
|
|
*/
|
|
|
|
struct wpabuf * wps_build_assoc_req_ie(enum wps_request_type req_type)
|
2008-11-29 12:21:28 +01:00
|
|
|
{
|
|
|
|
struct wpabuf *ie;
|
|
|
|
u8 *len;
|
|
|
|
|
|
|
|
wpa_printf(MSG_DEBUG, "WPS: Building WPS IE for (Re)Association "
|
|
|
|
"Request");
|
|
|
|
ie = wpabuf_alloc(100);
|
|
|
|
if (ie == NULL)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
wpabuf_put_u8(ie, WLAN_EID_VENDOR_SPECIFIC);
|
|
|
|
len = wpabuf_put(ie, 1);
|
|
|
|
wpabuf_put_be32(ie, WPS_DEV_OUI_WFA);
|
|
|
|
|
|
|
|
if (wps_build_version(ie) ||
|
2009-12-11 17:00:10 +01:00
|
|
|
wps_build_req_type(ie, req_type) ||
|
2010-07-29 19:23:20 +02:00
|
|
|
wps_build_wfa_ext(ie, 0, NULL, 0)) {
|
2008-11-29 12:21:28 +01:00
|
|
|
wpabuf_free(ie);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
*len = wpabuf_len(ie) - 2;
|
|
|
|
|
|
|
|
return ie;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2010-05-26 17:46:08 +02:00
|
|
|
/**
|
|
|
|
* wps_build_assoc_resp_ie - Build WPS IE for (Re)Association Response
|
|
|
|
* Returns: WPS IE or %NULL on failure
|
|
|
|
*
|
|
|
|
* The caller is responsible for freeing the buffer.
|
|
|
|
*/
|
|
|
|
struct wpabuf * wps_build_assoc_resp_ie(void)
|
|
|
|
{
|
|
|
|
struct wpabuf *ie;
|
|
|
|
u8 *len;
|
|
|
|
|
|
|
|
wpa_printf(MSG_DEBUG, "WPS: Building WPS IE for (Re)Association "
|
|
|
|
"Response");
|
|
|
|
ie = wpabuf_alloc(100);
|
|
|
|
if (ie == NULL)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
wpabuf_put_u8(ie, WLAN_EID_VENDOR_SPECIFIC);
|
|
|
|
len = wpabuf_put(ie, 1);
|
|
|
|
wpabuf_put_be32(ie, WPS_DEV_OUI_WFA);
|
|
|
|
|
|
|
|
if (wps_build_version(ie) ||
|
2009-12-11 17:00:10 +01:00
|
|
|
wps_build_resp_type(ie, WPS_RESP_AP) ||
|
2010-07-29 19:23:20 +02:00
|
|
|
wps_build_wfa_ext(ie, 0, NULL, 0)) {
|
2010-05-26 17:46:08 +02:00
|
|
|
wpabuf_free(ie);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
*len = wpabuf_len(ie) - 2;
|
|
|
|
|
|
|
|
return ie;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-01-03 18:50:49 +01:00
|
|
|
/**
|
|
|
|
* wps_build_probe_req_ie - Build WPS IE for Probe Request
|
2012-02-27 22:14:35 +01:00
|
|
|
* @pw_id: Password ID (DEV_PW_PUSHBUTTON for active PBC and DEV_PW_DEFAULT for
|
|
|
|
* most other use cases)
|
2009-01-03 18:50:49 +01:00
|
|
|
* @dev: Device attributes
|
|
|
|
* @uuid: Own UUID
|
|
|
|
* @req_type: Value for Request Type attribute
|
2011-03-19 11:57:46 +01:00
|
|
|
* @num_req_dev_types: Number of requested device types
|
|
|
|
* @req_dev_types: Requested device types (8 * num_req_dev_types octets) or
|
|
|
|
* %NULL if none
|
2009-01-03 18:50:49 +01:00
|
|
|
* Returns: WPS IE or %NULL on failure
|
|
|
|
*
|
|
|
|
* The caller is responsible for freeing the buffer.
|
|
|
|
*/
|
2012-02-27 22:14:35 +01:00
|
|
|
struct wpabuf * wps_build_probe_req_ie(u16 pw_id, struct wps_device_data *dev,
|
2009-01-03 18:50:49 +01:00
|
|
|
const u8 *uuid,
|
2011-03-19 11:57:46 +01:00
|
|
|
enum wps_request_type req_type,
|
|
|
|
unsigned int num_req_dev_types,
|
|
|
|
const u8 *req_dev_types)
|
2008-11-29 12:21:28 +01:00
|
|
|
{
|
|
|
|
struct wpabuf *ie;
|
|
|
|
|
|
|
|
wpa_printf(MSG_DEBUG, "WPS: Building WPS IE for Probe Request");
|
|
|
|
|
2010-05-26 18:11:55 +02:00
|
|
|
ie = wpabuf_alloc(500);
|
2008-11-29 12:21:28 +01:00
|
|
|
if (ie == NULL)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
if (wps_build_version(ie) ||
|
2008-11-29 12:38:03 +01:00
|
|
|
wps_build_req_type(ie, req_type) ||
|
2011-09-01 14:24:45 +02:00
|
|
|
wps_build_config_methods(ie, dev->config_methods) ||
|
2008-11-29 12:21:28 +01:00
|
|
|
wps_build_uuid_e(ie, uuid) ||
|
|
|
|
wps_build_primary_dev_type(dev, ie) ||
|
|
|
|
wps_build_rf_bands(dev, ie) ||
|
|
|
|
wps_build_assoc_state(NULL, ie) ||
|
|
|
|
wps_build_config_error(ie, WPS_CFG_NO_ERROR) ||
|
2012-02-27 22:14:35 +01:00
|
|
|
wps_build_dev_password_id(ie, pw_id) ||
|
2010-06-18 03:35:18 +02:00
|
|
|
#ifdef CONFIG_WPS2
|
2009-12-23 00:10:25 +01:00
|
|
|
wps_build_manufacturer(dev, ie) ||
|
|
|
|
wps_build_model_name(dev, ie) ||
|
|
|
|
wps_build_model_number(dev, ie) ||
|
|
|
|
wps_build_dev_name(dev, ie) ||
|
2011-03-17 10:09:49 +01:00
|
|
|
wps_build_wfa_ext(ie, req_type == WPS_REQ_ENROLLEE, NULL, 0) ||
|
2010-06-18 03:35:18 +02:00
|
|
|
#endif /* CONFIG_WPS2 */
|
2011-03-19 11:57:46 +01:00
|
|
|
wps_build_req_dev_type(dev, ie, num_req_dev_types, req_dev_types)
|
|
|
|
||
|
2011-03-17 10:09:49 +01:00
|
|
|
wps_build_secondary_dev_type(dev, ie)
|
2010-06-18 03:35:18 +02:00
|
|
|
) {
|
2008-11-29 12:21:28 +01:00
|
|
|
wpabuf_free(ie);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2010-07-07 01:31:46 +02:00
|
|
|
#ifndef CONFIG_WPS2
|
2010-07-18 23:30:24 +02:00
|
|
|
if (dev->p2p && wps_build_dev_name(dev, ie)) {
|
|
|
|
wpabuf_free(ie);
|
|
|
|
return NULL;
|
|
|
|
}
|
2010-07-07 01:31:46 +02:00
|
|
|
#endif /* CONFIG_WPS2 */
|
2010-07-18 23:30:24 +02:00
|
|
|
|
2010-05-26 18:11:55 +02:00
|
|
|
return wps_ie_encapsulate(ie);
|
2008-11-29 12:21:28 +01:00
|
|
|
}
|
2009-02-06 20:39:32 +01:00
|
|
|
|
|
|
|
|
|
|
|
void wps_free_pending_msgs(struct upnp_pending_message *msgs)
|
|
|
|
{
|
|
|
|
struct upnp_pending_message *p, *prev;
|
|
|
|
p = msgs;
|
|
|
|
while (p) {
|
|
|
|
prev = p;
|
|
|
|
p = p->next;
|
|
|
|
wpabuf_free(prev->msg);
|
|
|
|
os_free(prev);
|
|
|
|
}
|
|
|
|
}
|
2009-09-11 16:14:49 +02:00
|
|
|
|
|
|
|
|
|
|
|
int wps_attr_text(struct wpabuf *data, char *buf, char *end)
|
|
|
|
{
|
|
|
|
struct wps_parse_attr attr;
|
|
|
|
char *pos = buf;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
if (wps_parse_msg(data, &attr) < 0)
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
if (attr.wps_state) {
|
|
|
|
if (*attr.wps_state == WPS_STATE_NOT_CONFIGURED)
|
|
|
|
ret = os_snprintf(pos, end - pos,
|
|
|
|
"wps_state=unconfigured\n");
|
|
|
|
else if (*attr.wps_state == WPS_STATE_CONFIGURED)
|
|
|
|
ret = os_snprintf(pos, end - pos,
|
|
|
|
"wps_state=configured\n");
|
|
|
|
else
|
|
|
|
ret = 0;
|
|
|
|
if (ret < 0 || ret >= end - pos)
|
|
|
|
return pos - buf;
|
|
|
|
pos += ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (attr.ap_setup_locked && *attr.ap_setup_locked) {
|
|
|
|
ret = os_snprintf(pos, end - pos,
|
|
|
|
"wps_ap_setup_locked=1\n");
|
|
|
|
if (ret < 0 || ret >= end - pos)
|
|
|
|
return pos - buf;
|
|
|
|
pos += ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (attr.selected_registrar && *attr.selected_registrar) {
|
|
|
|
ret = os_snprintf(pos, end - pos,
|
|
|
|
"wps_selected_registrar=1\n");
|
|
|
|
if (ret < 0 || ret >= end - pos)
|
|
|
|
return pos - buf;
|
|
|
|
pos += ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (attr.dev_password_id) {
|
|
|
|
ret = os_snprintf(pos, end - pos,
|
|
|
|
"wps_device_password_id=%u\n",
|
|
|
|
WPA_GET_BE16(attr.dev_password_id));
|
|
|
|
if (ret < 0 || ret >= end - pos)
|
|
|
|
return pos - buf;
|
|
|
|
pos += ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (attr.sel_reg_config_methods) {
|
|
|
|
ret = os_snprintf(pos, end - pos,
|
|
|
|
"wps_selected_registrar_config_methods="
|
|
|
|
"0x%04x\n",
|
|
|
|
WPA_GET_BE16(attr.sel_reg_config_methods));
|
|
|
|
if (ret < 0 || ret >= end - pos)
|
|
|
|
return pos - buf;
|
|
|
|
pos += ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (attr.primary_dev_type) {
|
2009-11-26 10:54:37 +01:00
|
|
|
char devtype[WPS_DEV_TYPE_BUFSIZE];
|
2009-09-11 16:14:49 +02:00
|
|
|
ret = os_snprintf(pos, end - pos,
|
2009-11-26 10:54:37 +01:00
|
|
|
"wps_primary_device_type=%s\n",
|
|
|
|
wps_dev_type_bin2str(attr.primary_dev_type,
|
|
|
|
devtype,
|
|
|
|
sizeof(devtype)));
|
2009-09-11 16:14:49 +02:00
|
|
|
if (ret < 0 || ret >= end - pos)
|
|
|
|
return pos - buf;
|
|
|
|
pos += ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (attr.dev_name) {
|
|
|
|
char *str = os_malloc(attr.dev_name_len + 1);
|
|
|
|
size_t i;
|
|
|
|
if (str == NULL)
|
|
|
|
return pos - buf;
|
|
|
|
for (i = 0; i < attr.dev_name_len; i++) {
|
|
|
|
if (attr.dev_name[i] < 32)
|
|
|
|
str[i] = '_';
|
|
|
|
else
|
|
|
|
str[i] = attr.dev_name[i];
|
|
|
|
}
|
|
|
|
str[i] = '\0';
|
|
|
|
ret = os_snprintf(pos, end - pos, "wps_device_name=%s\n", str);
|
|
|
|
os_free(str);
|
|
|
|
if (ret < 0 || ret >= end - pos)
|
|
|
|
return pos - buf;
|
|
|
|
pos += ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (attr.config_methods) {
|
|
|
|
ret = os_snprintf(pos, end - pos,
|
|
|
|
"wps_config_methods=0x%04x\n",
|
|
|
|
WPA_GET_BE16(attr.config_methods));
|
|
|
|
if (ret < 0 || ret >= end - pos)
|
|
|
|
return pos - buf;
|
|
|
|
pos += ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
return pos - buf;
|
|
|
|
}
|