+++ /dev/null
-/*
- * wpa_supplicant / WPS integration
- * Copyright (c) 2008-2010, 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.
- */
-
-#include "includes.h"
-
-#include "common.h"
-#include "eloop.h"
-#include "uuid.h"
-#include "crypto/dh_group5.h"
-#include "common/ieee802_11_defs.h"
-#include "common/ieee802_11_common.h"
-#include "common/wpa_common.h"
-#include "common/wpa_ctrl.h"
-#include "eap_common/eap_wsc_common.h"
-#include "eap_peer/eap.h"
-#include "rsn_supp/wpa.h"
-#include "config.h"
-#include "wpa_supplicant_i.h"
-#include "driver_i.h"
-#include "notify.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"
-
-
-#ifndef WPS_PIN_SCAN_IGNORE_SEL_REG
-#define WPS_PIN_SCAN_IGNORE_SEL_REG 3
-#endif /* WPS_PIN_SCAN_IGNORE_SEL_REG */
-
-static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx);
-static void wpas_clear_wps(struct wpa_supplicant *wpa_s);
-
-
-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->current_ssid &&
- !(wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
- wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - "
- "try to associate with the received credential");
- wpa_supplicant_deauthenticate(wpa_s,
- WLAN_REASON_DEAUTH_LEAVING);
- wpa_s->after_wps = 5;
- wpa_s->wps_freq = wpa_s->assoc_freq;
- 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;
-}
-
-
-static void wpas_wps_security_workaround(struct wpa_supplicant *wpa_s,
- struct wpa_ssid *ssid,
- const struct wps_credential *cred)
-{
- struct wpa_driver_capa capa;
- struct wpa_bss *bss;
- const u8 *ie;
- struct wpa_ie_data adv;
- int wpa2 = 0, ccmp = 0;
-
- /*
- * Many existing WPS APs do not know how to negotiate WPA2 or CCMP in
- * case they are configured for mixed mode operation (WPA+WPA2 and
- * TKIP+CCMP). Try to use scan results to figure out whether the AP
- * actually supports stronger security and select that if the client
- * has support for it, too.
- */
-
- if (wpa_drv_get_capa(wpa_s, &capa))
- return; /* Unknown what driver supports */
-
- 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 "
- "table - use credential as-is");
- return;
- }
-
- wpa_printf(MSG_DEBUG, "WPS: AP found from BSS table");
-
- ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
- if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0) {
- wpa2 = 1;
- if (adv.pairwise_cipher & WPA_CIPHER_CCMP)
- ccmp = 1;
- } else {
- ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
- if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0 &&
- adv.pairwise_cipher & WPA_CIPHER_CCMP)
- ccmp = 1;
- }
-
- if (ie == NULL && (ssid->proto & WPA_PROTO_WPA) &&
- (ssid->pairwise_cipher & WPA_CIPHER_TKIP)) {
- /*
- * TODO: This could be the initial AP configuration and the
- * Beacon contents could change shortly. Should request a new
- * scan and delay addition of the network until the updated
- * scan results are available.
- */
- wpa_printf(MSG_DEBUG, "WPS: The AP did not yet advertise WPA "
- "support - use credential as-is");
- return;
- }
-
- if (ccmp && !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) &&
- (ssid->pairwise_cipher & WPA_CIPHER_TKIP) &&
- (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
- wpa_printf(MSG_DEBUG, "WPS: Add CCMP into the credential "
- "based on scan results");
- if (wpa_s->conf->ap_scan == 1)
- ssid->pairwise_cipher |= WPA_CIPHER_CCMP;
- else
- ssid->pairwise_cipher = WPA_CIPHER_CCMP;
- }
-
- if (wpa2 && !(ssid->proto & WPA_PROTO_RSN) &&
- (ssid->proto & WPA_PROTO_WPA) &&
- (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP)) {
- wpa_printf(MSG_DEBUG, "WPS: Add WPA2 into the credential "
- "based on scan results");
- if (wpa_s->conf->ap_scan == 1)
- ssid->proto |= WPA_PROTO_RSN;
- else
- ssid->proto = WPA_PROTO_RSN;
- }
-}
-
-
-static int wpa_supplicant_wps_cred(void *ctx,
- const struct wps_credential *cred)
-{
- struct wpa_supplicant *wpa_s = ctx;
- struct wpa_ssid *ssid = wpa_s->current_ssid;
- u8 key_idx = 0;
- u16 auth_type;
-
- if ((wpa_s->conf->wps_cred_processing == 1 ||
- wpa_s->conf->wps_cred_processing == 2) && cred->cred_attr) {
- size_t blen = cred->cred_attr_len * 2 + 1;
- char *buf = os_malloc(blen);
- if (buf) {
- wpa_snprintf_hex(buf, blen,
- cred->cred_attr, cred->cred_attr_len);
- wpa_msg(wpa_s, MSG_INFO, "%s%s",
- WPS_EVENT_CRED_RECEIVED, buf);
- os_free(buf);
- }
-
- wpas_notify_wps_credential(wpa_s, cred);
- } else
- wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_CRED_RECEIVED);
-
- wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute",
- cred->cred_attr, cred->cred_attr_len);
-
- if (wpa_s->conf->wps_cred_processing == 1)
- return 0;
-
- wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", cred->ssid, cred->ssid_len);
- wpa_printf(MSG_DEBUG, "WPS: Authentication Type 0x%x",
- cred->auth_type);
- wpa_printf(MSG_DEBUG, "WPS: Encryption Type 0x%x", cred->encr_type);
- wpa_printf(MSG_DEBUG, "WPS: Network Key Index %d", cred->key_idx);
- wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key",
- cred->key, cred->key_len);
- wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR,
- MAC2STR(cred->mac_addr));
-
- auth_type = cred->auth_type;
- if (auth_type == (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) {
- wpa_printf(MSG_DEBUG, "WPS: Workaround - convert mixed-mode "
- "auth_type into WPA2PSK");
- auth_type = WPS_AUTH_WPA2PSK;
- }
-
- if (auth_type != WPS_AUTH_OPEN &&
- auth_type != WPS_AUTH_SHARED &&
- auth_type != WPS_AUTH_WPAPSK &&
- auth_type != WPS_AUTH_WPA2PSK) {
- wpa_printf(MSG_DEBUG, "WPS: Ignored credentials for "
- "unsupported authentication type 0x%x",
- auth_type);
- return 0;
- }
-
- if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
- wpa_printf(MSG_DEBUG, "WPS: Replace WPS network block based "
- "on the received credential");
- os_free(ssid->eap.identity);
- ssid->eap.identity = NULL;
- ssid->eap.identity_len = 0;
- os_free(ssid->eap.phase1);
- ssid->eap.phase1 = NULL;
- os_free(ssid->eap.eap_methods);
- ssid->eap.eap_methods = NULL;
- if (!ssid->p2p_group)
- ssid->temporary = 0;
- } else {
- wpa_printf(MSG_DEBUG, "WPS: Create a new network based on the "
- "received credential");
- ssid = wpa_config_add_network(wpa_s->conf);
- if (ssid == NULL)
- return -1;
- wpas_notify_network_added(wpa_s, ssid);
- }
-
- wpa_config_set_network_defaults(ssid);
-
- os_free(ssid->ssid);
- ssid->ssid = os_malloc(cred->ssid_len);
- if (ssid->ssid) {
- os_memcpy(ssid->ssid, cred->ssid, cred->ssid_len);
- ssid->ssid_len = cred->ssid_len;
- }
-
- switch (cred->encr_type) {
- case WPS_ENCR_NONE:
- break;
- case WPS_ENCR_WEP:
- if (cred->key_len <= 0)
- break;
- if (cred->key_len != 5 && cred->key_len != 13 &&
- cred->key_len != 10 && cred->key_len != 26) {
- wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key length "
- "%lu", (unsigned long) cred->key_len);
- return -1;
- }
- if (cred->key_idx > NUM_WEP_KEYS) {
- wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key index %d",
- cred->key_idx);
- return -1;
- }
- if (cred->key_idx)
- key_idx = cred->key_idx - 1;
- if (cred->key_len == 10 || cred->key_len == 26) {
- if (hexstr2bin((char *) cred->key,
- ssid->wep_key[key_idx],
- cred->key_len / 2) < 0) {
- wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key "
- "%d", key_idx);
- return -1;
- }
- ssid->wep_key_len[key_idx] = cred->key_len / 2;
- } else {
- os_memcpy(ssid->wep_key[key_idx], cred->key,
- cred->key_len);
- ssid->wep_key_len[key_idx] = cred->key_len;
- }
- ssid->wep_tx_keyidx = key_idx;
- break;
- case WPS_ENCR_TKIP:
- ssid->pairwise_cipher = WPA_CIPHER_TKIP;
- break;
- case WPS_ENCR_AES:
- ssid->pairwise_cipher = WPA_CIPHER_CCMP;
- break;
- }
-
- switch (auth_type) {
- case WPS_AUTH_OPEN:
- ssid->auth_alg = WPA_AUTH_ALG_OPEN;
- ssid->key_mgmt = WPA_KEY_MGMT_NONE;
- ssid->proto = 0;
- break;
- case WPS_AUTH_SHARED:
- ssid->auth_alg = WPA_AUTH_ALG_SHARED;
- ssid->key_mgmt = WPA_KEY_MGMT_NONE;
- ssid->proto = 0;
- break;
- case WPS_AUTH_WPAPSK:
- ssid->auth_alg = WPA_AUTH_ALG_OPEN;
- 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;
- ssid->proto = WPA_PROTO_RSN;
- break;
- }
-
- if (ssid->key_mgmt == WPA_KEY_MGMT_PSK) {
- if (cred->key_len == 2 * PMK_LEN) {
- if (hexstr2bin((const char *) cred->key, ssid->psk,
- PMK_LEN)) {
- wpa_printf(MSG_ERROR, "WPS: Invalid Network "
- "Key");
- return -1;
- }
- ssid->psk_set = 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);
- if (ssid->passphrase == NULL)
- return -1;
- os_memcpy(ssid->passphrase, cred->key, cred->key_len);
- ssid->passphrase[cred->key_len] = '\0';
- wpa_config_update_psk(ssid);
- } else {
- wpa_printf(MSG_ERROR, "WPS: Invalid Network Key "
- "length %lu",
- (unsigned long) cred->key_len);
- return -1;
- }
- }
-
- wpas_wps_security_workaround(wpa_s, ssid, cred);
-
-#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");
- return -1;
- }
-#endif /* CONFIG_NO_CONFIG_WRITE */
-
- return 0;
-}
-
-
-static void wpa_supplicant_wps_event_m2d(struct wpa_supplicant *wpa_s,
- struct wps_event_m2d *m2d)
-{
- wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_M2D
- "dev_password_id=%d config_error=%d",
- m2d->dev_password_id, m2d->config_error);
- wpas_notify_wps_event_m2d(wpa_s, m2d);
-}
-
-
-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 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);
-}
-
-
-static void wpa_supplicant_wps_event_success(struct wpa_supplicant *wpa_s)
-{
- wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_SUCCESS);
- wpa_s->wps_success = 1;
- wpas_notify_wps_event_success(wpa_s);
-#ifdef CONFIG_P2P
- wpas_p2p_wps_success(wpa_s, wpa_s->bssid, 0);
-#endif /* CONFIG_P2P */
-}
-
-
-static void wpa_supplicant_wps_event_er_ap_add(struct wpa_supplicant *wpa_s,
- struct wps_event_er_ap *ap)
-{
- char uuid_str[100];
- char dev_type[WPS_DEV_TYPE_BUFSIZE];
-
- uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str));
- if (ap->pri_dev_type)
- wps_dev_type_bin2str(ap->pri_dev_type, dev_type,
- sizeof(dev_type));
- else
- dev_type[0] = '\0';
-
- wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_ADD "%s " MACSTR
- " pri_dev_type=%s wps_state=%d |%s|%s|%s|%s|%s|%s|",
- uuid_str, MAC2STR(ap->mac_addr), dev_type, ap->wps_state,
- ap->friendly_name ? ap->friendly_name : "",
- ap->manufacturer ? ap->manufacturer : "",
- ap->model_description ? ap->model_description : "",
- ap->model_name ? ap->model_name : "",
- ap->manufacturer_url ? ap->manufacturer_url : "",
- ap->model_url ? ap->model_url : "");
-}
-
-
-static void wpa_supplicant_wps_event_er_ap_remove(struct wpa_supplicant *wpa_s,
- struct wps_event_er_ap *ap)
-{
- char uuid_str[100];
- uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str));
- wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_REMOVE "%s", uuid_str);
-}
-
-
-static void wpa_supplicant_wps_event_er_enrollee_add(
- struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee)
-{
- char uuid_str[100];
- char dev_type[WPS_DEV_TYPE_BUFSIZE];
-
- uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str));
- if (enrollee->pri_dev_type)
- wps_dev_type_bin2str(enrollee->pri_dev_type, dev_type,
- sizeof(dev_type));
- else
- dev_type[0] = '\0';
-
- wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_ADD "%s " MACSTR
- " M1=%d config_methods=0x%x dev_passwd_id=%d pri_dev_type=%s "
- "|%s|%s|%s|%s|%s|",
- uuid_str, MAC2STR(enrollee->mac_addr), enrollee->m1_received,
- enrollee->config_methods, enrollee->dev_passwd_id, dev_type,
- enrollee->dev_name ? enrollee->dev_name : "",
- enrollee->manufacturer ? enrollee->manufacturer : "",
- enrollee->model_name ? enrollee->model_name : "",
- enrollee->model_number ? enrollee->model_number : "",
- enrollee->serial_number ? enrollee->serial_number : "");
-}
-
-
-static void wpa_supplicant_wps_event_er_enrollee_remove(
- struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee)
-{
- char uuid_str[100];
- uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str));
- wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_REMOVE "%s " MACSTR,
- uuid_str, MAC2STR(enrollee->mac_addr));
-}
-
-
-static void wpa_supplicant_wps_event_er_ap_settings(
- struct wpa_supplicant *wpa_s,
- struct wps_event_er_ap_settings *ap_settings)
-{
- char uuid_str[100];
- char key_str[65];
- const struct wps_credential *cred = ap_settings->cred;
-
- key_str[0] = '\0';
- if (cred->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) {
- if (cred->key_len >= 8 && cred->key_len <= 64) {
- os_memcpy(key_str, cred->key, cred->key_len);
- key_str[cred->key_len] = '\0';
- }
- }
-
- uuid_bin2str(ap_settings->uuid, uuid_str, sizeof(uuid_str));
- /* Use wpa_msg_ctrl to avoid showing the key in debug log */
- wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_SETTINGS
- "uuid=%s ssid=%s auth_type=0x%04x encr_type=0x%04x "
- "key=%s",
- uuid_str, wpa_ssid_txt(cred->ssid, cred->ssid_len),
- cred->auth_type, cred->encr_type, key_str);
-}
-
-
-static void wpa_supplicant_wps_event(void *ctx, enum wps_event event,
- union wps_event_data *data)
-{
- struct wpa_supplicant *wpa_s = ctx;
- switch (event) {
- case WPS_EV_M2D:
- wpa_supplicant_wps_event_m2d(wpa_s, &data->m2d);
- break;
- case WPS_EV_FAIL:
- wpa_supplicant_wps_event_fail(wpa_s, &data->fail);
- break;
- case WPS_EV_SUCCESS:
- wpa_supplicant_wps_event_success(wpa_s);
- break;
- case WPS_EV_PWD_AUTH_FAIL:
- break;
- case WPS_EV_PBC_OVERLAP:
- break;
- case WPS_EV_PBC_TIMEOUT:
- break;
- case WPS_EV_ER_AP_ADD:
- wpa_supplicant_wps_event_er_ap_add(wpa_s, &data->ap);
- break;
- case WPS_EV_ER_AP_REMOVE:
- wpa_supplicant_wps_event_er_ap_remove(wpa_s, &data->ap);
- break;
- case WPS_EV_ER_ENROLLEE_ADD:
- wpa_supplicant_wps_event_er_enrollee_add(wpa_s,
- &data->enrollee);
- break;
- case WPS_EV_ER_ENROLLEE_REMOVE:
- wpa_supplicant_wps_event_er_enrollee_remove(wpa_s,
- &data->enrollee);
- break;
- case WPS_EV_ER_AP_SETTINGS:
- wpa_supplicant_wps_event_er_ap_settings(wpa_s,
- &data->ap_settings);
- break;
- }
-}
-
-
-enum wps_request_type wpas_wps_get_req_type(struct wpa_ssid *ssid)
-{
- if (eap_is_wps_pbc_enrollee(&ssid->eap) ||
- eap_is_wps_pin_enrollee(&ssid->eap))
- return WPS_REQ_ENROLLEE;
- else
- return WPS_REQ_REGISTRAR;
-}
-
-
-static void wpas_clear_wps(struct wpa_supplicant *wpa_s)
-{
- int id;
- struct wpa_ssid *ssid, *remove_ssid = NULL;
-
- eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
-
- /* Remove any existing WPS network from configuration */
- ssid = wpa_s->conf->ssid;
- 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);
- }
- id = ssid->id;
- remove_ssid = ssid;
- } else
- id = -1;
- ssid = ssid->next;
- if (id >= 0) {
- wpas_notify_network_removed(wpa_s, remove_ssid);
- wpa_config_remove_network(wpa_s->conf, id);
- }
- }
-}
-
-
-static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx)
-{
- struct wpa_supplicant *wpa_s = eloop_ctx;
- wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_TIMEOUT "Requested operation timed "
- "out");
- wpas_clear_wps(wpa_s);
-}
-
-
-static struct wpa_ssid * wpas_wps_add_network(struct wpa_supplicant *wpa_s,
- int registrar, const u8 *bssid)
-{
- struct wpa_ssid *ssid;
-
- ssid = wpa_config_add_network(wpa_s->conf);
- if (ssid == NULL)
- return NULL;
- wpas_notify_network_added(wpa_s, ssid);
- wpa_config_set_network_defaults(ssid);
- ssid->temporary = 1;
- if (wpa_config_set(ssid, "key_mgmt", "WPS", 0) < 0 ||
- wpa_config_set(ssid, "eap", "WSC", 0) < 0 ||
- wpa_config_set(ssid, "identity", registrar ?
- "\"" WSC_ID_REGISTRAR "\"" :
- "\"" WSC_ID_ENROLLEE "\"", 0) < 0) {
- wpas_notify_network_removed(wpa_s, ssid);
- wpa_config_remove_network(wpa_s->conf, ssid->id);
- return NULL;
- }
-
- if (bssid) {
-#ifndef CONFIG_P2P
- struct wpa_bss *bss;
- int count = 0;
-#endif /* CONFIG_P2P */
-
- os_memcpy(ssid->bssid, bssid, ETH_ALEN);
- ssid->bssid_set = 1;
-
- /*
- * Note: With P2P, the SSID may change at the time the WPS
- * provisioning is started, so better not filter the AP based
- * on the current SSID in the scan results.
- */
-#ifndef CONFIG_P2P
- dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
- if (os_memcmp(bssid, bss->bssid, ETH_ALEN) != 0)
- continue;
-
- os_free(ssid->ssid);
- ssid->ssid = os_malloc(bss->ssid_len);
- if (ssid->ssid == NULL)
- break;
- os_memcpy(ssid->ssid, bss->ssid, bss->ssid_len);
- ssid->ssid_len = bss->ssid_len;
- wpa_hexdump_ascii(MSG_DEBUG, "WPS: Picked SSID from "
- "scan results",
- ssid->ssid, ssid->ssid_len);
- count++;
- }
-
- if (count > 1) {
- wpa_printf(MSG_DEBUG, "WPS: More than one SSID found "
- "for the AP; use wildcard");
- os_free(ssid->ssid);
- ssid->ssid = NULL;
- ssid->ssid_len = 0;
- }
-#endif /* CONFIG_P2P */
- }
-
- return ssid;
-}
-
-
-static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s,
- struct wpa_ssid *selected)
-{
- struct wpa_ssid *ssid;
-
- /* 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 = ssid->next;
- }
- wpa_s->disconnected = 0;
- wpa_s->reassociate = 1;
- wpa_s->scan_runs = 0;
- wpa_s->wps_success = 0;
- wpa_s->blacklist_cleared = 0;
- wpa_supplicant_req_scan(wpa_s, 0, 0);
-}
-
-
-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);
- 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);
- return rpin;
-}
-
-
-/* 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;
-}
-
-
-#ifdef CONFIG_WPS_OOB
-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;
-}
-#endif /* CONFIG_WPS_OOB */
-
-
-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);
- return 0;
-}
-
-
-static int wpas_wps_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *psk,
- size_t psk_len)
-{
- wpa_printf(MSG_DEBUG, "WPS: Received new WPA/WPA2-PSK from WPS for "
- "STA " MACSTR, MAC2STR(mac_addr));
- wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len);
-
- /* TODO */
-
- return 0;
-}
-
-
-static void wpas_wps_pin_needed_cb(void *ctx, const u8 *uuid_e,
- const struct wps_device_data *dev)
-{
- char uuid[40], txt[400];
- int len;
- char devtype[WPS_DEV_TYPE_BUFSIZE];
- if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
- return;
- wpa_printf(MSG_DEBUG, "WPS: PIN needed for UUID-E %s", uuid);
- len = os_snprintf(txt, sizeof(txt), "WPS-EVENT-PIN-NEEDED %s " MACSTR
- " [%s|%s|%s|%s|%s|%s]",
- uuid, MAC2STR(dev->mac_addr), dev->device_name,
- dev->manufacturer, dev->model_name,
- dev->model_number, dev->serial_number,
- wps_dev_type_bin2str(dev->pri_dev_type, devtype,
- sizeof(devtype)));
- if (len > 0 && len < (int) sizeof(txt))
- wpa_printf(MSG_INFO, "%s", txt);
-}
-
-
-static void wpas_wps_set_sel_reg_cb(void *ctx, int sel_reg, u16 dev_passwd_id,
- u16 sel_reg_config_methods)
-{
-#ifdef CONFIG_WPS_ER
- struct wpa_supplicant *wpa_s = ctx;
-
- if (wpa_s->wps_er == NULL)
- return;
- wpa_printf(MSG_DEBUG, "WPS ER: SetSelectedRegistrar - sel_reg=%d "
- "dev_password_id=%u sel_reg_config_methods=0x%x",
- sel_reg, dev_passwd_id, sel_reg_config_methods);
- wps_er_set_sel_reg(wpa_s->wps_er, sel_reg, dev_passwd_id,
- sel_reg_config_methods);
-#endif /* CONFIG_WPS_ER */
-}
-
-
-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;
-}
-
-
-int wpas_wps_init(struct wpa_supplicant *wpa_s)
-{
- struct wps_context *wps;
- struct wps_registrar_config rcfg;
-
- wps = os_zalloc(sizeof(*wps));
- if (wps == NULL)
- return -1;
-
- wps->cred_cb = wpa_supplicant_wps_cred;
- wps->event_cb = wpa_supplicant_wps_event;
- wps->cb_ctx = wpa_s;
-
- wps->dev.device_name = wpa_s->conf->device_name;
- wps->dev.manufacturer = wpa_s->conf->manufacturer;
- wps->dev.model_name = wpa_s->conf->model_name;
- wps->dev.model_number = wpa_s->conf->model_number;
- wps->dev.serial_number = wpa_s->conf->serial_number;
- wps->config_methods =
- wps_config_methods_str2bin(wpa_s->conf->config_methods);
- if ((wps->config_methods & (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) ==
- (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) {
- wpa_printf(MSG_ERROR, "WPS: Both Label and Display config "
- "methods are not allowed at the same time");
- os_free(wps);
- return -1;
- }
- wps->config_methods = wps_fix_config_methods(wps->config_methods);
- 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->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
- wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ; /* TODO: config */
- 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);
-
- wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK;
- wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP;
-
- os_memset(&rcfg, 0, sizeof(rcfg));
- rcfg.new_psk_cb = wpas_wps_new_psk_cb;
- rcfg.pin_needed_cb = wpas_wps_pin_needed_cb;
- rcfg.set_sel_reg_cb = wpas_wps_set_sel_reg_cb;
- rcfg.cb_ctx = wpa_s;
-
- wps->registrar = wps_registrar_init(wps, &rcfg);
- if (wps->registrar == NULL) {
- wpa_printf(MSG_DEBUG, "Failed to initialize WPS Registrar");
- os_free(wps);
- return -1;
- }
-
- wpa_s->wps = wps;
-
- return 0;
-}
-
-
-void wpas_wps_deinit(struct wpa_supplicant *wpa_s)
-{
- eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
-
- if (wpa_s->wps == NULL)
- return;
-
-#ifdef CONFIG_WPS_ER
- wps_er_deinit(wpa_s->wps_er, NULL, NULL);
- wpa_s->wps_er = NULL;
-#endif /* CONFIG_WPS_ER */
-
- 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);
- 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 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);
- if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
- if (!wps_ie) {
- wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
- return 0;
- }
-
- if (!wps_is_selected_pbc_registrar(wps_ie)) {
- wpa_printf(MSG_DEBUG, " skip - WPS AP "
- "without active PBC Registrar");
- wpabuf_free(wps_ie);
- return 0;
- }
-
- /* TODO: overlap detection */
- wpa_printf(MSG_DEBUG, " selected based on WPS IE "
- "(Active PBC)");
- wpabuf_free(wps_ie);
- return 1;
- }
-
- if (eap_is_wps_pin_enrollee(&ssid->eap)) {
- if (!wps_ie) {
- wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
- return 0;
- }
-
- /*
- * Start with WPS APs that advertise our address as an
- * authorized MAC (v2.0) or active PIN Registrar (v1.0) and
- * allow any WPS AP after couple of scans since some APs do not
- * set Selected Registrar attribute properly when using
- * external Registrar.
- */
- if (!wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1)) {
- if (wpa_s->scan_runs < WPS_PIN_SCAN_IGNORE_SEL_REG) {
- wpa_printf(MSG_DEBUG, " skip - WPS AP "
- "without active PIN Registrar");
- wpabuf_free(wps_ie);
- return 0;
- }
- wpa_printf(MSG_DEBUG, " selected based on WPS IE");
- } else {
- wpa_printf(MSG_DEBUG, " selected based on WPS IE "
- "(Authorized MAC or Active PIN)");
- }
- wpabuf_free(wps_ie);
- return 1;
- }
-
- if (wps_ie) {
- wpa_printf(MSG_DEBUG, " selected based on WPS IE");
- wpabuf_free(wps_ie);
- return 1;
- }
-
- return -1;
-}
-
-
-int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant *wpa_s,
- struct wpa_ssid *ssid,
- struct wpa_scan_res *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);
- 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);
- if (wps_ie &&
- (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1) ||
- wpa_s->scan_runs >= WPS_PIN_SCAN_IGNORE_SEL_REG)) {
- /* allow wildcard SSID for WPS PIN */
- ret = 1;
- }
- }
-
- if (!ret && ssid->bssid_set &&
- os_memcmp(ssid->bssid, bss->bssid, ETH_ALEN) == 0) {
- /* allow wildcard SSID due to hardcoded BSSID match */
- ret = 1;
- }
-
-#ifdef CONFIG_WPS_STRICT
- if (wps_ie) {
- if (wps_validate_beacon_probe_resp(wps_ie, bss->beacon_ie_len >
- 0, bss->bssid) < 0)
- ret = 0;
- if (bss->beacon_ie_len) {
- struct wpabuf *bcn_wps;
- bcn_wps = wpa_scan_get_vendor_ie_multi_beacon(
- bss, WPS_IE_VENDOR_TYPE);
- if (bcn_wps == NULL) {
- wpa_printf(MSG_DEBUG, "WPS: Mandatory WPS IE "
- "missing from AP Beacon");
- ret = 0;
- } else {
- if (wps_validate_beacon(wps_ie) < 0)
- ret = 0;
- wpabuf_free(bcn_wps);
- }
- }
- }
-#endif /* CONFIG_WPS_STRICT */
-
- wpabuf_free(wps_ie);
-
- return ret;
-}
-
-
-int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s,
- struct wpa_bss *selected, struct wpa_ssid *ssid)
-{
- const u8 *sel_uuid, *uuid;
- struct wpabuf *wps_ie;
- int ret = 0;
- struct wpa_bss *bss;
-
- 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) {
- sel_uuid = wps_get_uuid_e(wps_ie);
- 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;
- if (bss == selected)
- continue;
- ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
- if (!ie)
- continue;
- if (!wps_is_selected_pbc_registrar(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, 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;
- }
-
- /* TODO: verify that this is reasonable dual-band situation */
-
- wpabuf_free(ie);
- }
-
- wpabuf_free(wps_ie);
-
- return ret;
-}
-
-
-void wpas_wps_notify_scan_results(struct wpa_supplicant *wpa_s)
-{
- struct wpa_bss *bss;
-
- if (wpa_s->disconnected || wpa_s->wpa_state >= WPA_ASSOCIATED)
- return;
-
- dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
- struct wpabuf *ie;
- ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
- if (!ie)
- continue;
- if (wps_is_selected_pbc_registrar(ie))
- wpa_msg_ctrl(wpa_s, MSG_INFO,
- WPS_EVENT_AP_AVAILABLE_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);
- else if (wps_is_selected_pin_registrar(ie))
- wpa_msg_ctrl(wpa_s, MSG_INFO,
- WPS_EVENT_AP_AVAILABLE_PIN);
- else
- wpa_msg_ctrl(wpa_s, MSG_INFO,
- WPS_EVENT_AP_AVAILABLE);
- wpabuf_free(ie);
- break;
- }
-}
-
-
-int wpas_wps_searching(struct wpa_supplicant *wpa_s)
-{
- struct wpa_ssid *ssid;
-
- for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
- if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && !ssid->disabled)
- return 1;
- }
-
- return 0;
-}
-
-
-int wpas_wps_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
- char *end)
-{
- struct wpabuf *wps_ie;
- int ret;
-
- wps_ie = ieee802_11_vendor_ie_concat(ies, ies_len, WPS_DEV_OUI_WFA);
- if (wps_ie == NULL)
- return 0;
-
- ret = wps_attr_text(wps_ie, buf, end);
- wpabuf_free(wps_ie);
- return ret;
-}
-
-
-int wpas_wps_er_start(struct wpa_supplicant *wpa_s, const char *filter)
-{
-#ifdef CONFIG_WPS_ER
- if (wpa_s->wps_er) {
- wps_er_refresh(wpa_s->wps_er);
- return 0;
- }
- wpa_s->wps_er = wps_er_init(wpa_s->wps, wpa_s->ifname, filter);
- if (wpa_s->wps_er == NULL)
- return -1;
- return 0;
-#else /* CONFIG_WPS_ER */
- return 0;
-#endif /* CONFIG_WPS_ER */
-}
-
-
-int wpas_wps_er_stop(struct wpa_supplicant *wpa_s)
-{
-#ifdef CONFIG_WPS_ER
- wps_er_deinit(wpa_s->wps_er, NULL, NULL);
- wpa_s->wps_er = NULL;
-#endif /* CONFIG_WPS_ER */
- return 0;
-}
-
-
-#ifdef CONFIG_WPS_ER
-int wpas_wps_er_add_pin(struct wpa_supplicant *wpa_s, const u8 *addr,
- 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))
- return -1;
- return wps_registrar_add_pin(wpa_s->wps->registrar, addr,
- any ? NULL : u,
- (const u8 *) pin, os_strlen(pin), 300);
-}
-
-
-int wpas_wps_er_pbc(struct wpa_supplicant *wpa_s, const char *uuid)
-{
- u8 u[UUID_LEN];
-
- if (uuid_str2bin(uuid, u))
- return -1;
- return wps_er_pbc(wpa_s->wps_er, u);
-}
-
-
-int wpas_wps_er_learn(struct wpa_supplicant *wpa_s, const char *uuid,
- const char *pin)
-{
- u8 u[UUID_LEN];
-
- if (uuid_str2bin(uuid, u))
- return -1;
- return wps_er_learn(wpa_s->wps_er, u, (const u8 *) pin,
- os_strlen(pin));
-}
-
-
-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];
- struct wps_credential cred;
- size_t len;
-
- if (uuid_str2bin(uuid, u))
- return -1;
- if (settings->ssid_hex == NULL || settings->auth == NULL ||
- settings->encr == NULL || settings->key_hex == NULL)
- return -1;
-
- os_memset(&cred, 0, sizeof(cred));
- len = os_strlen(settings->ssid_hex);
- if ((len & 1) || len > 2 * sizeof(cred.ssid) ||
- hexstr2bin(settings->ssid_hex, cred.ssid, len / 2))
- return -1;
- cred.ssid_len = len / 2;
-
- len = os_strlen(settings->key_hex);
- if ((len & 1) || len > 2 * sizeof(cred.key) ||
- hexstr2bin(settings->key_hex, cred.key, len / 2))
- return -1;
- cred.key_len = len / 2;
-
- if (os_strcmp(settings->auth, "OPEN") == 0)
- cred.auth_type = WPS_AUTH_OPEN;
- else if (os_strcmp(settings->auth, "WPAPSK") == 0)
- cred.auth_type = WPS_AUTH_WPAPSK;
- else if (os_strcmp(settings->auth, "WPA2PSK") == 0)
- cred.auth_type = WPS_AUTH_WPA2PSK;
- else
- return -1;
-
- if (os_strcmp(settings->encr, "NONE") == 0)
- cred.encr_type = WPS_ENCR_NONE;
- else if (os_strcmp(settings->encr, "WEP") == 0)
- cred.encr_type = WPS_ENCR_WEP;
- else if (os_strcmp(settings->encr, "TKIP") == 0)
- cred.encr_type = WPS_ENCR_TKIP;
- else if (os_strcmp(settings->encr, "CCMP") == 0)
- cred.encr_type = WPS_ENCR_AES;
- else
- return -1;
-
- return wps_er_config(wpa_s->wps_er, u, (const u8 *) pin,
- os_strlen(pin), &cred);
-}
-
-
-static void wpas_wps_terminate_cb(void *ctx)
-{
- wpa_printf(MSG_DEBUG, "WPS ER: Terminated");
- eloop_terminate();
-}
-#endif /* CONFIG_WPS_ER */
-
-
-int wpas_wps_terminate_pending(struct wpa_supplicant *wpa_s)
-{
-#ifdef CONFIG_WPS_ER
- if (wpa_s->wps_er) {
- wps_er_deinit(wpa_s->wps_er, wpas_wps_terminate_cb, wpa_s);
- wpa_s->wps_er = NULL;
- return 1;
- }
-#endif /* CONFIG_WPS_ER */
- return 0;
-}
-
-
-int wpas_wps_in_progress(struct wpa_supplicant *wpa_s)
-{
- struct wpa_ssid *ssid;
-
- for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
- if (!ssid->disabled && ssid->key_mgmt == WPA_KEY_MGMT_WPS)
- return 1;
- }
-
- return 0;
-}
-
-
-void wpas_wps_update_config(struct wpa_supplicant *wpa_s)
-{
- struct wps_context *wps = wpa_s->wps;
-
- if (wps == NULL)
- return;
-
- if (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS) {
- wps->config_methods = wps_config_methods_str2bin(
- wpa_s->conf->config_methods);
- if ((wps->config_methods &
- (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) ==
- (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) {
- wpa_printf(MSG_ERROR, "WPS: Both Label and Display "
- "config methods are not allowed at the "
- "same time");
- wps->config_methods &= ~WPS_CONFIG_LABEL;
- }
- }
- wps->config_methods = wps_fix_config_methods(wps->config_methods);
-
- 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_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_DEVICE_NAME | CFG_CHANGED_WPS_STRING)) {
- /* Update pointers to make sure they refer current values */
- wps->dev.device_name = wpa_s->conf->device_name;
- wps->dev.manufacturer = wpa_s->conf->manufacturer;
- wps->dev.model_name = wpa_s->conf->model_name;
- wps->dev.model_number = wpa_s->conf->model_number;
- wps->dev.serial_number = wpa_s->conf->serial_number;
- }
-}
projects / mech_eap.git / blobdiff