| /* |
| * wpa_supplicant / WPS integration |
| * Copyright (c) 2008-2012, Jouni Malinen <j@w1.fi> |
| * |
| * This software may be distributed under the terms of the BSD license. |
| * See README for more details. |
| */ |
| |
| #include "includes.h" |
| |
| #include "common.h" |
| #include "eloop.h" |
| #include "uuid.h" |
| #include "crypto/random.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 "eapol_supp/eapol_supp_sm.h" |
| #include "rsn_supp/wpa.h" |
| #include "wps/wps_attr_parse.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); |
| |
| |
| static void wpas_wps_clear_ap_info(struct wpa_supplicant *wpa_s) |
| { |
| os_free(wpa_s->wps_ap); |
| wpa_s->wps_ap = NULL; |
| wpa_s->num_wps_ap = 0; |
| wpa_s->wps_ap_iter = 0; |
| } |
| |
| |
| 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; |
| } |
| |
| wpas_wps_clear_ap_info(wpa_s); |
| eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL); |
| if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && !wpa_s->wps_success) |
| wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_FAIL); |
| |
| if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid && |
| !(wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { |
| int disabled = wpa_s->current_ssid->disabled; |
| unsigned int freq = wpa_s->assoc_freq; |
| wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - " |
| "try to associate with the received credential " |
| "(freq=%u)", freq); |
| wpa_supplicant_deauthenticate(wpa_s, |
| WLAN_REASON_DEAUTH_LEAVING); |
| if (disabled) { |
| wpa_printf(MSG_DEBUG, "WPS: Current network is " |
| "disabled - wait for user to enable"); |
| return 1; |
| } |
| wpa_s->after_wps = 5; |
| wpa_s->wps_freq = freq; |
| wpa_s->normal_scans = 0; |
| wpa_s->reassociate = 1; |
| wpa_supplicant_req_scan(wpa_s, 0, 0); |
| return 1; |
| } |
| |
| if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid) { |
| wpa_printf(MSG_DEBUG, "WPS: Registration completed - waiting " |
| "for external credential processing"); |
| wpas_clear_wps(wpa_s); |
| wpa_supplicant_deauthenticate(wpa_s, |
| WLAN_REASON_DEAUTH_LEAVING); |
| return 1; |
| } |
| |
| return 0; |
| } |
| |
| |
| 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 */ |
| |
| if (ssid->ssid == NULL) |
| return; |
| 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; |
| #ifdef CONFIG_WPS_REG_DISABLE_OPEN |
| int registrar = 0; |
| #endif /* CONFIG_WPS_REG_DISABLE_OPEN */ |
| |
| 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 (auth_type == WPS_AUTH_WPAPSK || auth_type == WPS_AUTH_WPA2PSK) { |
| if (cred->key_len < 8 || cred->key_len > 2 * PMK_LEN) { |
| wpa_printf(MSG_ERROR, "WPS: Reject PSK credential with " |
| "invalid Network Key length %lu", |
| (unsigned long) cred->key_len); |
| return -1; |
| } |
| } |
| |
| if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { |
| wpa_printf(MSG_DEBUG, "WPS: Replace WPS network block based " |
| "on the received credential"); |
| #ifdef CONFIG_WPS_REG_DISABLE_OPEN |
| if (ssid->eap.identity && |
| ssid->eap.identity_len == WSC_ID_REGISTRAR_LEN && |
| os_memcmp(ssid->eap.identity, WSC_ID_REGISTRAR, |
| WSC_ID_REGISTRAR_LEN) == 0) |
| registrar = 1; |
| #endif /* CONFIG_WPS_REG_DISABLE_OPEN */ |
| 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; |
| ssid->bssid_set = 0; |
| } |
| ssid->disabled_until.sec = 0; |
| ssid->disabled_until.usec = 0; |
| ssid->auth_failures = 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; |
| #ifdef CONFIG_WPS_REG_DISABLE_OPEN |
| if (registrar) { |
| wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OPEN_NETWORK |
| "id=%d - Credentials for an open " |
| "network disabled by default - use " |
| "'select_network %d' to enable", |
| ssid->id, ssid->id); |
| ssid->disabled = 1; |
| } |
| #endif /* CONFIG_WPS_REG_DISABLE_OPEN */ |
| 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_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; |
| ssid->export_keys = 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); |
| ssid->export_keys = 1; |
| } 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); |
| |
| if (cred->ap_channel) |
| wpa_s->wps_ap_channel = cred->ap_channel; |
| |
| #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 */ |
| |
| /* |
| * Optimize the post-WPS scan based on the channel used during |
| * the provisioning in case EAP-Failure is not received. |
| */ |
| wpa_s->after_wps = 5; |
| wpa_s->wps_freq = wpa_s->assoc_freq; |
| |
| return 0; |
| } |
| |
| |
| #ifdef CONFIG_P2P |
| static void wpas_wps_pbc_overlap_cb(void *eloop_ctx, void *timeout_ctx) |
| { |
| struct wpa_supplicant *wpa_s = eloop_ctx; |
| wpas_p2p_notif_pbc_overlap(wpa_s); |
| } |
| #endif /* CONFIG_P2P */ |
| |
| |
| 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); |
| #ifdef CONFIG_P2P |
| if (wpa_s->parent && wpa_s->parent != wpa_s) { |
| wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_M2D |
| "dev_password_id=%d config_error=%d", |
| m2d->dev_password_id, m2d->config_error); |
| } |
| if (m2d->config_error == WPS_CFG_MULTIPLE_PBC_DETECTED) { |
| /* |
| * Notify P2P from eloop timeout to avoid issues with the |
| * interface getting removed while processing a message. |
| */ |
| eloop_register_timeout(0, 0, wpas_wps_pbc_overlap_cb, wpa_s, |
| NULL); |
| } |
| #endif /* CONFIG_P2P */ |
| } |
| |
| |
| static const char * wps_event_fail_reason[NUM_WPS_EI_VALUES] = { |
| "No Error", /* WPS_EI_NO_ERROR */ |
| "TKIP Only Prohibited", /* WPS_EI_SECURITY_TKIP_ONLY_PROHIBITED */ |
| "WEP Prohibited" /* WPS_EI_SECURITY_WEP_PROHIBITED */ |
| }; |
| |
| static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s, |
| struct wps_event_fail *fail) |
| { |
| if (fail->error_indication > 0 && |
| fail->error_indication < NUM_WPS_EI_VALUES) { |
| wpa_msg(wpa_s, MSG_INFO, |
| WPS_EVENT_FAIL "msg=%d config_error=%d reason=%d (%s)", |
| fail->msg, fail->config_error, fail->error_indication, |
| wps_event_fail_reason[fail->error_indication]); |
| if (wpa_s->parent && wpa_s->parent != wpa_s) |
| wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL |
| "msg=%d config_error=%d reason=%d (%s)", |
| fail->msg, fail->config_error, |
| fail->error_indication, |
| wps_event_fail_reason[fail->error_indication]); |
| } else { |
| wpa_msg(wpa_s, MSG_INFO, |
| WPS_EVENT_FAIL "msg=%d config_error=%d", |
| fail->msg, fail->config_error); |
| if (wpa_s->parent && wpa_s->parent != wpa_s) |
| wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL |
| "msg=%d config_error=%d", |
| fail->msg, fail->config_error); |
| } |
| wpas_clear_wps(wpa_s); |
| wpas_notify_wps_event_fail(wpa_s, fail); |
| #ifdef CONFIG_P2P |
| wpas_p2p_wps_failed(wpa_s, fail); |
| #endif /* CONFIG_P2P */ |
| } |
| |
| |
| static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx); |
| |
| static void wpas_wps_reenable_networks(struct wpa_supplicant *wpa_s) |
| { |
| struct wpa_ssid *ssid; |
| int changed = 0; |
| |
| eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL); |
| |
| for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { |
| if (ssid->disabled_for_connect && ssid->disabled) { |
| ssid->disabled_for_connect = 0; |
| ssid->disabled = 0; |
| wpas_notify_network_enabled_changed(wpa_s, ssid); |
| changed++; |
| } |
| } |
| |
| if (changed) { |
| #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"); |
| } |
| #endif /* CONFIG_NO_CONFIG_WRITE */ |
| } |
| } |
| |
| |
| static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx) |
| { |
| struct wpa_supplicant *wpa_s = eloop_ctx; |
| /* Enable the networks disabled during wpas_wps_reassoc */ |
| wpas_wps_reenable_networks(wpa_s); |
| } |
| |
| |
| 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); |
| |
| /* |
| * Enable the networks disabled during wpas_wps_reassoc after 10 |
| * seconds. The 10 seconds timer is to allow the data connection to be |
| * formed before allowing other networks to be selected. |
| */ |
| eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s, |
| NULL); |
| |
| #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_er_set_sel_reg( |
| struct wpa_supplicant *wpa_s, |
| struct wps_event_er_set_selected_registrar *ev) |
| { |
| char uuid_str[100]; |
| |
| uuid_bin2str(ev->uuid, uuid_str, sizeof(uuid_str)); |
| switch (ev->state) { |
| case WPS_ER_SET_SEL_REG_START: |
| wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG |
| "uuid=%s state=START sel_reg=%d dev_passwd_id=%u " |
| "sel_reg_config_methods=0x%x", |
| uuid_str, ev->sel_reg, ev->dev_passwd_id, |
| ev->sel_reg_config_methods); |
| break; |
| case WPS_ER_SET_SEL_REG_DONE: |
| wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG |
| "uuid=%s state=DONE", uuid_str); |
| break; |
| case WPS_ER_SET_SEL_REG_FAILED: |
| wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_SET_SEL_REG |
| "uuid=%s state=FAILED", uuid_str); |
| break; |
| } |
| } |
| |
| |
| 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: |
| #ifdef CONFIG_AP |
| if (wpa_s->ap_iface && data->pwd_auth_fail.enrollee) |
| wpa_supplicant_ap_pwd_auth_fail(wpa_s); |
| #endif /* CONFIG_AP */ |
| 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; |
| case WPS_EV_ER_SET_SELECTED_REGISTRAR: |
| wpa_supplicant_wps_event_er_set_sel_reg(wpa_s, |
| &data->set_sel_reg); |
| break; |
| case WPS_EV_AP_PIN_SUCCESS: |
| 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, *prev_current; |
| |
| prev_current = wpa_s->current_ssid; |
| |
| /* Enable the networks disabled during wpas_wps_reassoc */ |
| wpas_wps_reenable_networks(wpa_s); |
| |
| 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) { |
| if (prev_current == remove_ssid) { |
| wpa_sm_set_config(wpa_s->wpa, NULL); |
| eapol_sm_notify_config(wpa_s->eapol, NULL, |
| NULL); |
| } |
| wpas_notify_network_removed(wpa_s, remove_ssid); |
| wpa_config_remove_network(wpa_s->conf, id); |
| } |
| } |
| |
| wpas_wps_clear_ap_info(wpa_s); |
| } |
| |
| |
| 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, const u8 *bssid) |
| { |
| struct wpa_ssid *ssid; |
| struct wpa_bss *bss; |
| |
| wpa_s->known_wps_freq = 0; |
| if (bssid) { |
| bss = wpa_bss_get_bssid(wpa_s, bssid); |
| if (bss && bss->freq > 0) { |
| wpa_s->known_wps_freq = 1; |
| wpa_s->wps_freq = bss->freq; |
| } |
| } |
| |
| if (wpa_s->current_ssid) |
| wpa_supplicant_deauthenticate( |
| wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
| |
| /* Mark all other networks disabled and trigger reassociation */ |
| ssid = wpa_s->conf->ssid; |
| while (ssid) { |
| int was_disabled = ssid->disabled; |
| ssid->disabled_for_connect = 0; |
| /* |
| * In case the network object corresponds to a persistent group |
| * then do not send out network disabled signal. In addition, |
| * do not change disabled status of persistent network objects |
| * from 2 to 1 should we connect to another network. |
| */ |
| if (was_disabled != 2) { |
| ssid->disabled = ssid != selected; |
| if (was_disabled != ssid->disabled) { |
| if (ssid->disabled) |
| ssid->disabled_for_connect = 1; |
| 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->normal_scans = 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, bssid); |
| return 0; |
| } |
| |
| |
| int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid, |
| const char *pin, int p2p_group, u16 dev_pw_id) |
| { |
| struct wpa_ssid *ssid; |
| char val[128]; |
| unsigned int rpin = 0; |
| |
| wpas_clear_wps(wpa_s); |
| ssid = wpas_wps_add_network(wpa_s, 0, bssid); |
| if (ssid == NULL) |
| return -1; |
| ssid->temporary = 1; |
| ssid->p2p_group = p2p_group; |
| #ifdef CONFIG_P2P |
| if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) { |
| ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1); |
| if (ssid->ssid) { |
| ssid->ssid_len = wpa_s->go_params->ssid_len; |
| os_memcpy(ssid->ssid, wpa_s->go_params->ssid, |
| ssid->ssid_len); |
| wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP " |
| "SSID", ssid->ssid, ssid->ssid_len); |
| } |
| } |
| #endif /* CONFIG_P2P */ |
| if (pin) |
| os_snprintf(val, sizeof(val), "\"pin=%s dev_pw_id=%u\"", |
| pin, dev_pw_id); |
| else { |
| rpin = wps_generate_pin(); |
| os_snprintf(val, sizeof(val), "\"pin=%08d dev_pw_id=%u\"", |
| rpin, dev_pw_id); |
| } |
| wpa_config_set(ssid, "phase1", val, 0); |
| if (wpa_s->wps_fragment_size) |
| ssid->eap.fragment_size = wpa_s->wps_fragment_size; |
| eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, |
| wpa_s, NULL); |
| wpa_s->wps_ap_iter = 1; |
| wpas_wps_reassoc(wpa_s, ssid, bssid); |
| 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_s->wpa_state == WPA_DISCONNECTED) { |
| 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); |
| } else { |
| wpas_wps_reenable_networks(wpa_s); |
| wpas_wps_clear_ap_info(wpa_s); |
| } |
| |
| return 0; |
| } |
| |
| |
| int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid, |
| const char *pin, struct wps_new_ap_settings *settings) |
| { |
| struct wpa_ssid *ssid; |
| char val[200]; |
| char *pos, *end; |
| int res; |
| |
| if (!pin) |
| return -1; |
| wpas_clear_wps(wpa_s); |
| ssid = wpas_wps_add_network(wpa_s, 1, bssid); |
| if (ssid == NULL) |
| return -1; |
| ssid->temporary = 1; |
| pos = val; |
| end = pos + sizeof(val); |
| res = os_snprintf(pos, end - pos, "\"pin=%s", pin); |
| if (res < 0 || res >= end - pos) |
| return -1; |
| pos += res; |
| if (settings) { |
| res = os_snprintf(pos, end - pos, " new_ssid=%s new_auth=%s " |
| "new_encr=%s new_key=%s", |
| settings->ssid_hex, settings->auth, |
| settings->encr, settings->key_hex); |
| if (res < 0 || res >= end - pos) |
| return -1; |
| pos += res; |
| } |
| res = os_snprintf(pos, end - pos, "\""); |
| if (res < 0 || res >= end - pos) |
| return -1; |
| wpa_config_set(ssid, "phase1", val, 0); |
| if (wpa_s->wps_fragment_size) |
| ssid->eap.fragment_size = wpa_s->wps_fragment_size; |
| eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, |
| wpa_s, NULL); |
| wpas_wps_reassoc(wpa_s, ssid, bssid); |
| return 0; |
| } |
| |
| |
| 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; |
| } |
| |
| |
| static void wpas_wps_set_uuid(struct wpa_supplicant *wpa_s, |
| struct wps_context *wps) |
| { |
| wpa_printf(MSG_DEBUG, "WPS: Set UUID for interface %s", wpa_s->ifname); |
| if (is_nil_uuid(wpa_s->conf->uuid)) { |
| struct wpa_supplicant *first; |
| first = wpa_s->global->ifaces; |
| while (first && first->next) |
| first = first->next; |
| if (first && first != wpa_s) { |
| if (wps != wpa_s->global->ifaces->wps) |
| os_memcpy(wps->uuid, |
| wpa_s->global->ifaces->wps->uuid, |
| WPS_UUID_LEN); |
| wpa_hexdump(MSG_DEBUG, "WPS: UUID from the first " |
| "interface", wps->uuid, WPS_UUID_LEN); |
| } else { |
| 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); |
| wpa_hexdump(MSG_DEBUG, "WPS: UUID based on configuration", |
| wps->uuid, WPS_UUID_LEN); |
| } |
| } |
| |
| |
| static void wpas_wps_set_vendor_ext_m1(struct wpa_supplicant *wpa_s, |
| struct wps_context *wps) |
| { |
| wpabuf_free(wps->dev.vendor_ext_m1); |
| wps->dev.vendor_ext_m1 = NULL; |
| |
| if (wpa_s->conf->wps_vendor_ext_m1) { |
| wps->dev.vendor_ext_m1 = |
| wpabuf_dup(wpa_s->conf->wps_vendor_ext_m1); |
| if (!wps->dev.vendor_ext_m1) { |
| wpa_printf(MSG_ERROR, "WPS: Cannot " |
| "allocate memory for vendor_ext_m1"); |
| } |
| } |
| } |
| |
| |
| int wpas_wps_init(struct wpa_supplicant *wpa_s) |
| { |
| struct wps_context *wps; |
| struct wps_registrar_config rcfg; |
| struct hostapd_hw_modes *modes; |
| u16 m; |
| |
| 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); |
| wps->dev.config_methods = wps->config_methods; |
| os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type, |
| WPS_DEV_TYPE_LEN); |
| |
| wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types; |
| os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type, |
| WPS_DEV_TYPE_LEN * wps->dev.num_sec_dev_types); |
| |
| wpas_wps_set_vendor_ext_m1(wpa_s, wps); |
| |
| wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version); |
| modes = wpa_s->hw.modes; |
| if (modes) { |
| for (m = 0; m < wpa_s->hw.num_modes; m++) { |
| if (modes[m].mode == HOSTAPD_MODE_IEEE80211B || |
| modes[m].mode == HOSTAPD_MODE_IEEE80211G) |
| wps->dev.rf_bands |= WPS_RF_24GHZ; |
| else if (modes[m].mode == HOSTAPD_MODE_IEEE80211A) |
| wps->dev.rf_bands |= WPS_RF_50GHZ; |
| } |
| } |
| if (wps->dev.rf_bands == 0) { |
| /* |
| * Default to claiming support for both bands if the driver |
| * does not provide support for fetching supported bands. |
| */ |
| wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ; |
| } |
| os_memcpy(wps->dev.mac_addr, wpa_s->own_addr, ETH_ALEN); |
| wpas_wps_set_uuid(wpa_s, wps); |
| |
| 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); |
| eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL); |
| wpas_wps_clear_ap_info(wpa_s); |
| |
| 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->dev.vendor_ext_m1); |
| 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_bss *bss) |
| { |
| struct wpabuf *wps_ie; |
| |
| if (!(ssid->key_mgmt & WPA_KEY_MGMT_WPS)) |
| return -1; |
| |
| wps_ie = wpa_bss_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_bss *bss) |
| { |
| struct wpabuf *wps_ie = NULL; |
| int ret = 0; |
| |
| if (eap_is_wps_pbc_enrollee(&ssid->eap)) { |
| wps_ie = wpa_bss_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_bss_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_bss_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; |
| unsigned int pbc = 0, auth = 0, pin = 0, wps = 0; |
| |
| 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)) |
| pbc++; |
| else if (wps_is_addr_authorized(ie, wpa_s->own_addr, 0)) |
| auth++; |
| else if (wps_is_selected_pin_registrar(ie)) |
| pin++; |
| else |
| wps++; |
| wpabuf_free(ie); |
| } |
| |
| if (pbc) |
| wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PBC); |
| else if (auth) |
| wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_AUTH); |
| else if (pin) |
| wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PIN); |
| else if (wps) |
| wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE); |
| } |
| |
| |
| 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_set_config(struct wpa_supplicant *wpa_s, const char *uuid, |
| int id) |
| { |
| u8 u[UUID_LEN]; |
| struct wpa_ssid *ssid; |
| struct wps_credential cred; |
| |
| if (uuid_str2bin(uuid, u)) |
| return -1; |
| ssid = wpa_config_get_network(wpa_s->conf, id); |
| if (ssid == NULL || ssid->ssid == NULL) |
| return -1; |
| |
| os_memset(&cred, 0, sizeof(cred)); |
| if (ssid->ssid_len > 32) |
| return -1; |
| os_memcpy(cred.ssid, ssid->ssid, ssid->ssid_len); |
| cred.ssid_len = ssid->ssid_len; |
| if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) { |
| cred.auth_type = (ssid->proto & WPA_PROTO_RSN) ? |
| WPS_AUTH_WPA2PSK : WPS_AUTH_WPAPSK; |
| if (ssid->pairwise_cipher & WPA_CIPHER_CCMP) |
| cred.encr_type = WPS_ENCR_AES; |
| else |
| cred.encr_type = WPS_ENCR_TKIP; |
| if (ssid->passphrase) { |
| cred.key_len = os_strlen(ssid->passphrase); |
| if (cred.key_len >= 64) |
| return -1; |
| os_memcpy(cred.key, ssid->passphrase, cred.key_len); |
| } else if (ssid->psk_set) { |
| cred.key_len = 32; |
| os_memcpy(cred.key, ssid->psk, 32); |
| } else |
| return -1; |
| } else { |
| cred.auth_type = WPS_AUTH_OPEN; |
| cred.encr_type = WPS_ENCR_NONE; |
| } |
| return wps_er_set_config(wpa_s->wps_er, u, &cred); |
| } |
| |
| |
| 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); |
| } |
| |
| |
| #ifdef CONFIG_WPS_NFC |
| struct wpabuf * wpas_wps_er_nfc_config_token(struct wpa_supplicant *wpa_s, |
| int ndef, const char *uuid) |
| { |
| struct wpabuf *ret; |
| u8 u[UUID_LEN]; |
| |
| if (!wpa_s->wps_er) |
| return NULL; |
| |
| if (uuid_str2bin(uuid, u)) |
| return NULL; |
| |
| ret = wps_er_nfc_config_token(wpa_s->wps_er, u); |
| if (ndef && ret) { |
| struct wpabuf *tmp; |
| tmp = ndef_build_wifi(ret); |
| wpabuf_free(ret); |
| if (tmp == NULL) |
| return NULL; |
| ret = tmp; |
| } |
| |
| return ret; |
| } |
| #endif /* CONFIG_WPS_NFC */ |
| |
| |
| static int callbacks_pending = 0; |
| |
| static void wpas_wps_terminate_cb(void *ctx) |
| { |
| wpa_printf(MSG_DEBUG, "WPS ER: Terminated"); |
| if (--callbacks_pending <= 0) |
| 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) { |
| callbacks_pending++; |
| 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); |
| wps->dev.config_methods = wps->config_methods; |
| |
| if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE) |
| os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type, |
| WPS_DEV_TYPE_LEN); |
| |
| if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) { |
| wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types; |
| os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type, |
| wps->dev.num_sec_dev_types * WPS_DEV_TYPE_LEN); |
| } |
| |
| if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION) |
| wpas_wps_set_vendor_ext_m1(wpa_s, wps); |
| |
| 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) |
| wpas_wps_set_uuid(wpa_s, wps); |
| |
| 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; |
| } |
| } |
| |
| |
| #ifdef CONFIG_WPS_NFC |
| |
| struct wpabuf * wpas_wps_nfc_token(struct wpa_supplicant *wpa_s, int ndef) |
| { |
| return wps_nfc_token_gen(ndef, &wpa_s->conf->wps_nfc_dev_pw_id, |
| &wpa_s->conf->wps_nfc_dh_pubkey, |
| &wpa_s->conf->wps_nfc_dh_privkey, |
| &wpa_s->conf->wps_nfc_dev_pw); |
| } |
| |
| |
| int wpas_wps_start_nfc(struct wpa_supplicant *wpa_s, const u8 *bssid) |
| { |
| struct wps_context *wps = wpa_s->wps; |
| char pw[32 * 2 + 1]; |
| |
| if (wpa_s->conf->wps_nfc_dh_pubkey == NULL || |
| wpa_s->conf->wps_nfc_dh_privkey == NULL || |
| wpa_s->conf->wps_nfc_dev_pw == NULL) |
| return -1; |
| |
| dh5_free(wps->dh_ctx); |
| wpabuf_free(wps->dh_pubkey); |
| wpabuf_free(wps->dh_privkey); |
| wps->dh_privkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey); |
| wps->dh_pubkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey); |
| if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) { |
| wps->dh_ctx = NULL; |
| wpabuf_free(wps->dh_pubkey); |
| wps->dh_pubkey = NULL; |
| wpabuf_free(wps->dh_privkey); |
| wps->dh_privkey = NULL; |
| return -1; |
| } |
| wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey); |
| if (wps->dh_ctx == NULL) |
| return -1; |
| |
| wpa_snprintf_hex_uppercase(pw, sizeof(pw), |
| wpabuf_head(wpa_s->conf->wps_nfc_dev_pw), |
| wpabuf_len(wpa_s->conf->wps_nfc_dev_pw)); |
| return wpas_wps_start_pin(wpa_s, bssid, pw, 0, |
| wpa_s->conf->wps_nfc_dev_pw_id); |
| } |
| |
| |
| static int wpas_wps_use_cred(struct wpa_supplicant *wpa_s, |
| struct wps_parse_attr *attr) |
| { |
| wpa_s->wps_ap_channel = 0; |
| |
| if (wps_oob_use_cred(wpa_s->wps, attr) < 0) |
| return -1; |
| |
| if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) |
| return 0; |
| |
| wpa_printf(MSG_DEBUG, "WPS: Request reconnection with new network " |
| "based on the received credential added"); |
| wpa_s->normal_scans = 0; |
| wpa_supplicant_reinit_autoscan(wpa_s); |
| if (wpa_s->wps_ap_channel) { |
| u16 chan = wpa_s->wps_ap_channel; |
| int freq = 0; |
| |
| if (chan >= 1 && chan <= 13) |
| freq = 2407 + 5 * chan; |
| else if (chan == 14) |
| freq = 2484; |
| else if (chan >= 30) |
| freq = 5000 + 5 * chan; |
| |
| if (freq) { |
| wpa_printf(MSG_DEBUG, "WPS: Credential indicated " |
| "AP channel %u -> %u MHz", chan, freq); |
| wpa_s->after_wps = 5; |
| wpa_s->wps_freq = freq; |
| } |
| } |
| wpa_s->disconnected = 0; |
| wpa_s->reassociate = 1; |
| wpa_supplicant_req_scan(wpa_s, 0, 0); |
| |
| return 0; |
| } |
| |
| |
| #ifdef CONFIG_WPS_ER |
| static int wpas_wps_add_nfc_password_token(struct wpa_supplicant *wpa_s, |
| struct wps_parse_attr *attr) |
| { |
| return wps_registrar_add_nfc_password_token( |
| wpa_s->wps->registrar, attr->oob_dev_password, |
| attr->oob_dev_password_len); |
| } |
| #endif /* CONFIG_WPS_ER */ |
| |
| |
| static int wpas_wps_nfc_tag_process(struct wpa_supplicant *wpa_s, |
| const struct wpabuf *wps) |
| { |
| struct wps_parse_attr attr; |
| |
| wpa_hexdump_buf(MSG_DEBUG, "WPS: Received NFC tag payload", wps); |
| |
| if (wps_parse_msg(wps, &attr)) { |
| wpa_printf(MSG_DEBUG, "WPS: Ignore invalid data from NFC tag"); |
| return -1; |
| } |
| |
| if (attr.num_cred) |
| return wpas_wps_use_cred(wpa_s, &attr); |
| |
| #ifdef CONFIG_WPS_ER |
| if (attr.oob_dev_password) |
| return wpas_wps_add_nfc_password_token(wpa_s, &attr); |
| #endif /* CONFIG_WPS_ER */ |
| |
| wpa_printf(MSG_DEBUG, "WPS: Ignore unrecognized NFC tag"); |
| return -1; |
| } |
| |
| |
| int wpas_wps_nfc_tag_read(struct wpa_supplicant *wpa_s, |
| const struct wpabuf *data) |
| { |
| const struct wpabuf *wps = data; |
| struct wpabuf *tmp = NULL; |
| int ret; |
| |
| if (wpabuf_len(data) < 4) |
| return -1; |
| |
| if (*wpabuf_head_u8(data) != 0x10) { |
| /* Assume this contains full NDEF record */ |
| tmp = ndef_parse_wifi(data); |
| if (tmp == NULL) { |
| wpa_printf(MSG_DEBUG, "WPS: Could not parse NDEF"); |
| return -1; |
| } |
| wps = tmp; |
| } |
| |
| ret = wpas_wps_nfc_tag_process(wpa_s, wps); |
| wpabuf_free(tmp); |
| return ret; |
| } |
| |
| |
| struct wpabuf * wpas_wps_nfc_handover_req(struct wpa_supplicant *wpa_s) |
| { |
| return ndef_build_wifi_hr(); |
| } |
| |
| |
| struct wpabuf * wpas_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s) |
| { |
| return NULL; |
| } |
| |
| |
| int wpas_wps_nfc_rx_handover_req(struct wpa_supplicant *wpa_s, |
| const struct wpabuf *data) |
| { |
| /* TODO */ |
| return -1; |
| } |
| |
| |
| int wpas_wps_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s, |
| const struct wpabuf *data) |
| { |
| struct wpabuf *wps; |
| int ret; |
| |
| wps = ndef_parse_wifi(data); |
| if (wps == NULL) |
| return -1; |
| wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc " |
| "payload from NFC connection handover"); |
| wpa_hexdump_buf_key(MSG_DEBUG, "WPS: NFC payload", wps); |
| ret = wpas_wps_nfc_tag_process(wpa_s, wps); |
| wpabuf_free(wps); |
| |
| return ret; |
| } |
| |
| #endif /* CONFIG_WPS_NFC */ |
| |
| |
| extern int wpa_debug_level; |
| |
| static void wpas_wps_dump_ap_info(struct wpa_supplicant *wpa_s) |
| { |
| size_t i; |
| struct os_time now; |
| |
| if (wpa_debug_level > MSG_DEBUG) |
| return; |
| |
| if (wpa_s->wps_ap == NULL) |
| return; |
| |
| os_get_time(&now); |
| |
| for (i = 0; i < wpa_s->num_wps_ap; i++) { |
| struct wps_ap_info *ap = &wpa_s->wps_ap[i]; |
| struct wpa_blacklist *e = wpa_blacklist_get(wpa_s, ap->bssid); |
| |
| wpa_printf(MSG_DEBUG, "WPS: AP[%d] " MACSTR " type=%d " |
| "tries=%d last_attempt=%d sec ago blacklist=%d", |
| (int) i, MAC2STR(ap->bssid), ap->type, ap->tries, |
| ap->last_attempt.sec > 0 ? |
| (int) now.sec - (int) ap->last_attempt.sec : -1, |
| e ? e->count : 0); |
| } |
| } |
| |
| |
| static struct wps_ap_info * wpas_wps_get_ap_info(struct wpa_supplicant *wpa_s, |
| const u8 *bssid) |
| { |
| size_t i; |
| |
| if (wpa_s->wps_ap == NULL) |
| return NULL; |
| |
| for (i = 0; i < wpa_s->num_wps_ap; i++) { |
| struct wps_ap_info *ap = &wpa_s->wps_ap[i]; |
| if (os_memcmp(ap->bssid, bssid, ETH_ALEN) == 0) |
| return ap; |
| } |
| |
| return NULL; |
| } |
| |
| |
| static void wpas_wps_update_ap_info_bss(struct wpa_supplicant *wpa_s, |
| struct wpa_scan_res *res) |
| { |
| struct wpabuf *wps; |
| enum wps_ap_info_type type; |
| struct wps_ap_info *ap; |
| int r; |
| |
| if (wpa_scan_get_vendor_ie(res, WPS_IE_VENDOR_TYPE) == NULL) |
| return; |
| |
| wps = wpa_scan_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE); |
| if (wps == NULL) |
| return; |
| |
| r = wps_is_addr_authorized(wps, wpa_s->own_addr, 1); |
| if (r == 2) |
| type = WPS_AP_SEL_REG_OUR; |
| else if (r == 1) |
| type = WPS_AP_SEL_REG; |
| else |
| type = WPS_AP_NOT_SEL_REG; |
| |
| wpabuf_free(wps); |
| |
| ap = wpas_wps_get_ap_info(wpa_s, res->bssid); |
| if (ap) { |
| if (ap->type != type) { |
| wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR |
| " changed type %d -> %d", |
| MAC2STR(res->bssid), ap->type, type); |
| ap->type = type; |
| if (type != WPS_AP_NOT_SEL_REG) |
| wpa_blacklist_del(wpa_s, ap->bssid); |
| } |
| return; |
| } |
| |
| ap = os_realloc_array(wpa_s->wps_ap, wpa_s->num_wps_ap + 1, |
| sizeof(struct wps_ap_info)); |
| if (ap == NULL) |
| return; |
| |
| wpa_s->wps_ap = ap; |
| ap = &wpa_s->wps_ap[wpa_s->num_wps_ap]; |
| wpa_s->num_wps_ap++; |
| |
| os_memset(ap, 0, sizeof(*ap)); |
| os_memcpy(ap->bssid, res->bssid, ETH_ALEN); |
| ap->type = type; |
| wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR " type %d added", |
| MAC2STR(ap->bssid), ap->type); |
| } |
| |
| |
| void wpas_wps_update_ap_info(struct wpa_supplicant *wpa_s, |
| struct wpa_scan_results *scan_res) |
| { |
| size_t i; |
| |
| for (i = 0; i < scan_res->num; i++) |
| wpas_wps_update_ap_info_bss(wpa_s, scan_res->res[i]); |
| |
| wpas_wps_dump_ap_info(wpa_s); |
| } |
| |
| |
| void wpas_wps_notify_assoc(struct wpa_supplicant *wpa_s, const u8 *bssid) |
| { |
| struct wps_ap_info *ap; |
| if (!wpa_s->wps_ap_iter) |
| return; |
| ap = wpas_wps_get_ap_info(wpa_s, bssid); |
| if (ap == NULL) |
| return; |
| ap->tries++; |
| os_get_time(&ap->last_attempt); |
| } |