* Wi-Fi Protected Setup
* Copyright (c) 2007-2009, 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"
#ifdef CONFIG_WPS_TESTING
int wps_version_number = 0x20;
int wps_testing_dummy_cred = 0;
+int wps_corrupt_pkhash = 0;
#endif /* CONFIG_WPS_TESTING */
os_memcpy(data->uuid_e, cfg->wps->uuid, WPS_UUID_LEN);
}
if (cfg->pin) {
- data->dev_pw_id = data->wps->oob_dev_pw_id == 0 ?
- cfg->dev_pw_id : data->wps->oob_dev_pw_id;
+ data->dev_pw_id = cfg->dev_pw_id;
data->dev_password = os_malloc(cfg->pin_len);
if (data->dev_password == NULL) {
os_free(data);
}
os_memcpy(data->dev_password, cfg->pin, cfg->pin_len);
data->dev_password_len = cfg->pin_len;
+ wpa_hexdump_key(MSG_DEBUG, "WPS: AP PIN dev_password",
+ data->dev_password, data->dev_password_len);
+ }
+
+#ifdef CONFIG_WPS_NFC
+ if (cfg->pin == NULL &&
+ cfg->dev_pw_id == DEV_PW_NFC_CONNECTION_HANDOVER)
+ data->dev_pw_id = cfg->dev_pw_id;
+
+ if (cfg->wps->ap && !cfg->registrar && cfg->wps->ap_nfc_dev_pw_id) {
+ /* Keep AP PIN as alternative Device Password */
+ data->alt_dev_pw_id = data->dev_pw_id;
+ data->alt_dev_password = data->dev_password;
+ data->alt_dev_password_len = data->dev_password_len;
+
+ data->dev_pw_id = cfg->wps->ap_nfc_dev_pw_id;
+ data->dev_password =
+ os_malloc(wpabuf_len(cfg->wps->ap_nfc_dev_pw));
+ if (data->dev_password == NULL) {
+ os_free(data);
+ return NULL;
+ }
+ os_memcpy(data->dev_password,
+ wpabuf_head(cfg->wps->ap_nfc_dev_pw),
+ wpabuf_len(cfg->wps->ap_nfc_dev_pw));
+ data->dev_password_len = wpabuf_len(cfg->wps->ap_nfc_dev_pw);
+ wpa_hexdump_key(MSG_DEBUG, "WPS: NFC dev_password",
+ data->dev_password, data->dev_password_len);
}
+#endif /* CONFIG_WPS_NFC */
data->pbc = cfg->pbc;
if (cfg->pbc) {
/* Use special PIN '00000000' for PBC */
data->dev_pw_id = DEV_PW_PUSHBUTTON;
- os_free(data->dev_password);
- data->dev_password = os_malloc(8);
+ bin_clear_free(data->dev_password, data->dev_password_len);
+ data->dev_password = (u8 *) os_strdup("00000000");
if (data->dev_password == NULL) {
os_free(data);
return NULL;
}
- os_memset(data->dev_password, '0', 8);
data->dev_password_len = 8;
}
data->new_ap_settings =
os_malloc(sizeof(*data->new_ap_settings));
if (data->new_ap_settings == NULL) {
+ bin_clear_free(data->dev_password,
+ data->dev_password_len);
os_free(data);
return NULL;
}
if (cfg->peer_addr)
os_memcpy(data->peer_dev.mac_addr, cfg->peer_addr, ETH_ALEN);
+ if (cfg->p2p_dev_addr)
+ os_memcpy(data->p2p_dev_addr, cfg->p2p_dev_addr, ETH_ALEN);
data->use_psk_key = cfg->use_psk_key;
+ data->pbc_in_m1 = cfg->pbc_in_m1;
+
+ if (cfg->peer_pubkey_hash) {
+ os_memcpy(data->peer_pubkey_hash, cfg->peer_pubkey_hash,
+ WPS_OOB_PUBKEY_HASH_LEN);
+ data->peer_pubkey_hash_set = 1;
+ }
return data;
}
*/
void wps_deinit(struct wps_data *data)
{
+#ifdef CONFIG_WPS_NFC
+ if (data->registrar && data->nfc_pw_token)
+ wps_registrar_remove_nfc_pw_token(data->wps->registrar,
+ data->nfc_pw_token);
+#endif /* CONFIG_WPS_NFC */
+
if (data->wps_pin_revealed) {
wpa_printf(MSG_DEBUG, "WPS: Full PIN information revealed and "
"negotiation failed");
wpabuf_free(data->dh_pubkey_e);
wpabuf_free(data->dh_pubkey_r);
wpabuf_free(data->last_msg);
- os_free(data->dev_password);
- os_free(data->new_psk);
+ bin_clear_free(data->dev_password, data->dev_password_len);
+ bin_clear_free(data->alt_dev_password, data->alt_dev_password_len);
+ bin_clear_free(data->new_psk, data->new_psk_len);
wps_device_data_free(&data->peer_dev);
- os_free(data->new_ap_settings);
+ bin_clear_free(data->new_ap_settings, sizeof(*data->new_ap_settings));
dh5_free(data->dh_ctx);
os_free(data);
}
* @msg: WPS IE contents from Beacon or Probe Response frame
* @addr: MAC address to search for
* @ver1_compat: Whether to use version 1 compatibility mode
- * Returns: 1 if address is authorized, 0 if not
+ * Returns: 2 if the specified address is explicit authorized, 1 if address is
+ * authorized (broadcast), 0 if not
*/
int wps_is_addr_authorized(const struct wpabuf *msg, const u8 *addr,
int ver1_compat)
pos = attr.authorized_macs;
for (i = 0; i < attr.authorized_macs_len / ETH_ALEN; i++) {
- if (os_memcmp(pos, addr, ETH_ALEN) == 0 ||
- os_memcmp(pos, bcast, ETH_ALEN) == 0)
+ if (os_memcmp(pos, addr, ETH_ALEN) == 0)
+ return 2;
+ if (os_memcmp(pos, bcast, ETH_ALEN) == 0)
return 1;
pos += ETH_ALEN;
}
int wps_ap_priority_compar(const struct wpabuf *wps_a,
const struct wpabuf *wps_b)
{
- struct wps_parse_attr attr_a, attr_b;
+ struct wps_parse_attr attr;
int sel_a, sel_b;
- if (wps_a == NULL || wps_parse_msg(wps_a, &attr_a) < 0)
+ if (wps_a == NULL || wps_parse_msg(wps_a, &attr) < 0)
return 1;
- if (wps_b == NULL || wps_parse_msg(wps_b, &attr_b) < 0)
- return -1;
+ sel_a = attr.selected_registrar && *attr.selected_registrar != 0;
- sel_a = attr_a.selected_registrar && *attr_a.selected_registrar != 0;
- sel_b = attr_b.selected_registrar && *attr_b.selected_registrar != 0;
+ if (wps_b == NULL || wps_parse_msg(wps_b, &attr) < 0)
+ return -1;
+ sel_b = attr.selected_registrar && *attr.selected_registrar != 0;
if (sel_a && !sel_b)
return -1;
/**
+ * 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;
+}
+
+
+/**
* 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
/**
* wps_build_probe_req_ie - Build WPS IE for Probe Request
- * @pbc: Whether searching for PBC mode APs
+ * @pw_id: Password ID (DEV_PW_PUSHBUTTON for active PBC and DEV_PW_DEFAULT for
+ * most other use cases)
* @dev: Device attributes
* @uuid: Own UUID
* @req_type: Value for Request Type attribute
+ * @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
* Returns: WPS IE or %NULL on failure
*
* The caller is responsible for freeing the buffer.
*/
-struct wpabuf * wps_build_probe_req_ie(int pbc, struct wps_device_data *dev,
+struct wpabuf * wps_build_probe_req_ie(u16 pw_id, struct wps_device_data *dev,
const u8 *uuid,
- enum wps_request_type req_type)
+ enum wps_request_type req_type,
+ unsigned int num_req_dev_types,
+ const u8 *req_dev_types)
{
struct wpabuf *ie;
- u16 methods;
wpa_printf(MSG_DEBUG, "WPS: Building WPS IE for Probe Request");
if (ie == NULL)
return NULL;
- if (pbc) {
- methods = WPS_CONFIG_PUSHBUTTON;
-#ifdef CONFIG_WPS2
- /*
- * TODO: At least in theory, should figure out whether this
- * Probe Request was triggered with physical or virtual
- * pushbutton.
- */
- methods |= WPS_CONFIG_VIRT_PUSHBUTTON;
-#endif /* CONFIG_WPS2 */
- } else {
- /*
- * TODO: At least in theory, should figure out whether this
- * Probe Request was triggered using physical or virtual
- * display.
- */
- methods = WPS_CONFIG_LABEL | WPS_CONFIG_DISPLAY |
-#ifdef CONFIG_WPS2
- WPS_CONFIG_VIRT_DISPLAY |
-#endif /* CONFIG_WPS2 */
- WPS_CONFIG_KEYPAD;
-#ifdef CONFIG_WPS_UFD
- methods |= WPS_CONFIG_USBA;
-#endif /* CONFIG_WPS_UFD */
-#ifdef CONFIG_WPS_NFC
- methods |= WPS_CONFIG_NFC_INTERFACE;
-#endif /* CONFIG_WPS_NFC */
- }
-
if (wps_build_version(ie) ||
wps_build_req_type(ie, req_type) ||
- wps_build_config_methods(ie, methods) ||
+ wps_build_config_methods(ie, dev->config_methods) ||
wps_build_uuid_e(ie, uuid) ||
wps_build_primary_dev_type(dev, ie) ||
- wps_build_rf_bands(dev, ie) ||
+ wps_build_rf_bands(dev, ie, 0) ||
wps_build_assoc_state(NULL, ie) ||
wps_build_config_error(ie, WPS_CFG_NO_ERROR) ||
- wps_build_dev_password_id(ie, pbc ? DEV_PW_PUSHBUTTON :
- DEV_PW_DEFAULT) ||
-#ifdef CONFIG_WPS2
+ wps_build_dev_password_id(ie, pw_id) ||
wps_build_manufacturer(dev, ie) ||
wps_build_model_name(dev, ie) ||
wps_build_model_number(dev, ie) ||
wps_build_dev_name(dev, ie) ||
- wps_build_wfa_ext(ie, req_type == WPS_REQ_ENROLLEE, NULL, 0)
-#else /* CONFIG_WPS2 */
- 0
-#endif /* CONFIG_WPS2 */
+ wps_build_wfa_ext(ie, req_type == WPS_REQ_ENROLLEE, NULL, 0) ||
+ wps_build_req_dev_type(dev, ie, num_req_dev_types, req_dev_types)
+ ||
+ wps_build_secondary_dev_type(dev, ie)
) {
wpabuf_free(ie);
return NULL;
}
-#ifndef CONFIG_WPS2
- if (dev->p2p && wps_build_dev_name(dev, ie)) {
- wpabuf_free(ie);
- return NULL;
- }
-#endif /* CONFIG_WPS2 */
-
return wps_ie_encapsulate(ie);
}
"wps_state=configured\n");
else
ret = 0;
- if (ret < 0 || ret >= end - pos)
+ if (os_snprintf_error(end - pos, ret))
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)
+ if (os_snprintf_error(end - pos, ret))
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)
+ if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
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)
+ if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
"wps_selected_registrar_config_methods="
"0x%04x\n",
WPA_GET_BE16(attr.sel_reg_config_methods));
- if (ret < 0 || ret >= end - pos)
+ if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
wps_dev_type_bin2str(attr.primary_dev_type,
devtype,
sizeof(devtype)));
- if (ret < 0 || ret >= end - pos)
+ if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
if (str == NULL)
return pos - buf;
for (i = 0; i < attr.dev_name_len; i++) {
- if (attr.dev_name[i] < 32)
+ if (attr.dev_name[i] == 0 ||
+ is_ctrl_char(attr.dev_name[i]))
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)
+ if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
ret = os_snprintf(pos, end - pos,
"wps_config_methods=0x%04x\n",
WPA_GET_BE16(attr.config_methods));
- if (ret < 0 || ret >= end - pos)
+ if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
return pos - buf;
}
+
+
+const char * wps_ei_str(enum wps_error_indication ei)
+{
+ switch (ei) {
+ case WPS_EI_NO_ERROR:
+ return "No Error";
+ case WPS_EI_SECURITY_TKIP_ONLY_PROHIBITED:
+ return "TKIP Only Prohibited";
+ case WPS_EI_SECURITY_WEP_PROHIBITED:
+ return "WEP Prohibited";
+ case WPS_EI_AUTH_FAILURE:
+ return "Authentication Failure";
+ default:
+ return "Unknown";
+ }
+}
projects / mech_eap.git / blobdiff