diff options
Diffstat (limited to 'contrib/wpa/src/ap/wps_hostapd.c')
-rw-r--r-- | contrib/wpa/src/ap/wps_hostapd.c | 911 |
1 files changed, 760 insertions, 151 deletions
diff --git a/contrib/wpa/src/ap/wps_hostapd.c b/contrib/wpa/src/ap/wps_hostapd.c index a6ffd4d..5ce4f1b 100644 --- a/contrib/wpa/src/ap/wps_hostapd.c +++ b/contrib/wpa/src/ap/wps_hostapd.c @@ -1,15 +1,9 @@ /* * hostapd / WPS integration - * Copyright (c) 2008-2010, Jouni Malinen <j@w1.fi> + * Copyright (c) 2008-2012, Jouni Malinen <j@w1.fi> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Alternatively, this software may be distributed under the terms of BSD - * license. - * - * See README and COPYING for more details. + * This software may be distributed under the terms of the BSD license. + * See README for more details. */ #include "utils/includes.h" @@ -17,7 +11,6 @@ #include "utils/common.h" #include "utils/eloop.h" #include "utils/uuid.h" -#include "crypto/dh_groups.h" #include "common/wpa_ctrl.h" #include "common/ieee802_11_defs.h" #include "common/ieee802_11_common.h" @@ -26,8 +19,10 @@ #include "wps/wps.h" #include "wps/wps_defs.h" #include "wps/wps_dev_attr.h" +#include "wps/wps_attr_parse.h" #include "hostapd.h" #include "ap_config.h" +#include "ap_drv_ops.h" #include "beacon.h" #include "sta_info.h" #include "wps_hostapd.h" @@ -40,11 +35,53 @@ static int hostapd_wps_upnp_init(struct hostapd_data *hapd, static void hostapd_wps_upnp_deinit(struct hostapd_data *hapd); #endif /* CONFIG_WPS_UPNP */ -static int hostapd_wps_probe_req_rx(void *ctx, const u8 *addr, - const u8 *ie, size_t ie_len); +static int hostapd_wps_probe_req_rx(void *ctx, const u8 *addr, const u8 *da, + const u8 *bssid, + const u8 *ie, size_t ie_len, + int ssi_signal); static void hostapd_wps_ap_pin_timeout(void *eloop_data, void *user_ctx); +struct wps_for_each_data { + int (*func)(struct hostapd_data *h, void *ctx); + void *ctx; +}; + + +static int wps_for_each(struct hostapd_iface *iface, void *ctx) +{ + struct wps_for_each_data *data = ctx; + size_t j; + + if (iface == NULL) + return 0; + for (j = 0; j < iface->num_bss; j++) { + struct hostapd_data *hapd = iface->bss[j]; + int ret = data->func(hapd, data->ctx); + if (ret) + return ret; + } + + return 0; +} + + +static int hostapd_wps_for_each(struct hostapd_data *hapd, + int (*func)(struct hostapd_data *h, void *ctx), + void *ctx) +{ + struct hostapd_iface *iface = hapd->iface; + struct wps_for_each_data data; + data.func = func; + data.ctx = ctx; + if (iface->interfaces == NULL || + iface->interfaces->for_each_interface == NULL) + return wps_for_each(iface, &data); + return iface->interfaces->for_each_interface(iface->interfaces, + wps_for_each, &data); +} + + static int hostapd_wps_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *psk, size_t psk_len) { @@ -100,8 +137,9 @@ static int hostapd_wps_set_ie_cb(void *ctx, struct wpabuf *beacon_ie, hapd->wps_beacon_ie = beacon_ie; wpabuf_free(hapd->wps_probe_resp_ie); hapd->wps_probe_resp_ie = probe_resp_ie; - ieee802_11_set_beacon(hapd); - return hapd->drv.set_ap_wps_ie(hapd); + if (hapd->beacon_set_done) + ieee802_11_set_beacon(hapd); + return hostapd_set_ap_wps_ie(hapd); } @@ -144,11 +182,30 @@ static void hostapd_wps_pin_needed_cb(void *ctx, const u8 *uuid_e, } +struct wps_stop_reg_data { + struct hostapd_data *current_hapd; + const u8 *uuid_e; + const u8 *dev_pw; + size_t dev_pw_len; +}; + +static int wps_stop_registrar(struct hostapd_data *hapd, void *ctx) +{ + struct wps_stop_reg_data *data = ctx; + if (hapd != data->current_hapd && hapd->wps != NULL) + wps_registrar_complete(hapd->wps->registrar, data->uuid_e, + data->dev_pw, data->dev_pw_len); + return 0; +} + + static void hostapd_wps_reg_success_cb(void *ctx, const u8 *mac_addr, - const u8 *uuid_e) + const u8 *uuid_e, const u8 *dev_pw, + size_t dev_pw_len) { struct hostapd_data *hapd = ctx; char uuid[40]; + struct wps_stop_reg_data data; if (uuid_bin2str(uuid_e, uuid, sizeof(uuid))) return; wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_REG_SUCCESS MACSTR " %s", @@ -156,6 +213,11 @@ static void hostapd_wps_reg_success_cb(void *ctx, const u8 *mac_addr, if (hapd->wps_reg_success_cb) hapd->wps_reg_success_cb(hapd->wps_reg_success_cb_ctx, mac_addr, uuid_e); + data.current_hapd = hapd; + data.uuid_e = uuid_e; + data.dev_pw = dev_pw; + data.dev_pw_len = dev_pw_len; + hostapd_wps_for_each(hapd, wps_stop_registrar, &data); } @@ -193,16 +255,31 @@ static void wps_reload_config(void *eloop_data, void *user_ctx) struct hostapd_iface *iface = eloop_data; wpa_printf(MSG_DEBUG, "WPS: Reload configuration data"); - if (iface->reload_config(iface) < 0) { + if (iface->interfaces == NULL || + iface->interfaces->reload_config(iface) < 0) { wpa_printf(MSG_WARNING, "WPS: Failed to reload the updated " "configuration"); } } -static int hostapd_wps_cred_cb(void *ctx, const struct wps_credential *cred) +static void hapd_new_ap_event(struct hostapd_data *hapd, const u8 *attr, + size_t attr_len) { - struct hostapd_data *hapd = ctx; + size_t blen = attr_len * 2 + 1; + char *buf = os_malloc(blen); + if (buf) { + wpa_snprintf_hex(buf, blen, attr, attr_len); + wpa_msg(hapd->msg_ctx, MSG_INFO, + WPS_EVENT_NEW_AP_SETTINGS "%s", buf); + os_free(buf); + } +} + + +static int hapd_wps_cred_cb(struct hostapd_data *hapd, void *ctx) +{ + const struct wps_credential *cred = ctx; FILE *oconf, *nconf; size_t len, i; char *tmp_fname; @@ -210,6 +287,9 @@ static int hostapd_wps_cred_cb(void *ctx, const struct wps_credential *cred) int multi_bss; int wpa; + if (hapd->wps == NULL) + return 0; + wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute", cred->cred_attr, cred->cred_attr_len); @@ -226,15 +306,15 @@ static int hostapd_wps_cred_cb(void *ctx, const struct wps_credential *cred) if ((hapd->conf->wps_cred_processing == 1 || hapd->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(hapd->msg_ctx, MSG_INFO, "%s%s", - WPS_EVENT_NEW_AP_SETTINGS, _buf); - os_free(_buf); - } + hapd_new_ap_event(hapd, cred->cred_attr, cred->cred_attr_len); + } else if (hapd->conf->wps_cred_processing == 1 || + hapd->conf->wps_cred_processing == 2) { + struct wpabuf *attr; + attr = wpabuf_alloc(200); + if (attr && wps_build_credential_wrap(attr, cred) == 0) + hapd_new_ap_event(hapd, wpabuf_head_u8(attr), + wpabuf_len(attr)); + wpabuf_free(attr); } else wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_NEW_AP_SETTINGS); @@ -263,6 +343,8 @@ static int hostapd_wps_cred_cb(void *ctx, const struct wps_credential *cred) } hapd->wps->wps_state = WPS_STATE_CONFIGURED; + if (hapd->iface->config_fname == NULL) + return 0; len = os_strlen(hapd->iface->config_fname) + 5; tmp_fname = os_malloc(len); if (tmp_fname == NULL) @@ -290,10 +372,17 @@ static int hostapd_wps_cred_cb(void *ctx, const struct wps_credential *cred) fprintf(nconf, "wps_state=2\n"); - fprintf(nconf, "ssid="); - for (i = 0; i < cred->ssid_len; i++) - fputc(cred->ssid[i], nconf); - fprintf(nconf, "\n"); + if (is_hex(cred->ssid, cred->ssid_len)) { + fprintf(nconf, "ssid2="); + for (i = 0; i < cred->ssid_len; i++) + fprintf(nconf, "%02x", cred->ssid[i]); + fprintf(nconf, "\n"); + } else { + fprintf(nconf, "ssid="); + for (i = 0; i < cred->ssid_len; i++) + fputc(cred->ssid[i], nconf); + fprintf(nconf, "\n"); + } if ((cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA2PSK)) && (cred->auth_type & (WPS_AUTH_WPA | WPS_AUTH_WPAPSK))) @@ -383,7 +472,10 @@ static int hostapd_wps_cred_cb(void *ctx, const struct wps_credential *cred) multi_bss = 1; if (!multi_bss && (str_starts(buf, "ssid=") || + str_starts(buf, "ssid2=") || str_starts(buf, "auth_algs=") || + str_starts(buf, "wep_default_key=") || + str_starts(buf, "wep_key") || str_starts(buf, "wps_state=") || str_starts(buf, "wpa=") || str_starts(buf, "wpa_psk=") || @@ -414,20 +506,27 @@ static int hostapd_wps_cred_cb(void *ctx, const struct wps_credential *cred) eloop_register_timeout(0, 100000, wps_reload_config, hapd->iface, NULL); - /* TODO: dualband AP may need to update multiple configuration files */ - wpa_printf(MSG_DEBUG, "WPS: AP configuration updated"); return 0; } +static int hostapd_wps_cred_cb(void *ctx, const struct wps_credential *cred) +{ + struct hostapd_data *hapd = ctx; + return hostapd_wps_for_each(hapd, hapd_wps_cred_cb, (void *) cred); +} + + static void hostapd_wps_reenable_ap_pin(void *eloop_data, void *user_ctx) { struct hostapd_data *hapd = eloop_data; if (hapd->conf->ap_setup_locked) return; + if (hapd->ap_pin_failures_consecutive >= 10) + return; wpa_printf(MSG_DEBUG, "WPS: Re-enable AP PIN"); wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_SETUP_UNLOCKED); @@ -436,11 +535,12 @@ static void hostapd_wps_reenable_ap_pin(void *eloop_data, void *user_ctx) } -static void hostapd_pwd_auth_fail(struct hostapd_data *hapd, - struct wps_event_pwd_auth_fail *data) +static int wps_pwd_auth_fail(struct hostapd_data *hapd, void *ctx) { - if (!data->enrollee || hapd->conf->ap_pin == NULL) - return; + struct wps_event_pwd_auth_fail *data = ctx; + + if (!data->enrollee || hapd->conf->ap_pin == NULL || hapd->wps == NULL) + return 0; /* * Registrar failed to prove its knowledge of the AP PIN. Lock AP setup @@ -448,17 +548,27 @@ static void hostapd_pwd_auth_fail(struct hostapd_data *hapd, * force attacks. */ hapd->ap_pin_failures++; - wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u", - hapd->ap_pin_failures); + hapd->ap_pin_failures_consecutive++; + wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u " + "(%u consecutive)", + hapd->ap_pin_failures, hapd->ap_pin_failures_consecutive); if (hapd->ap_pin_failures < 3) - return; + return 0; wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_SETUP_LOCKED); hapd->wps->ap_setup_locked = 1; wps_registrar_update_ie(hapd->wps->registrar); - if (!hapd->conf->ap_setup_locked) { + if (!hapd->conf->ap_setup_locked && + hapd->ap_pin_failures_consecutive >= 10) { + /* + * In indefinite lockdown - disable automatic AP PIN + * reenablement. + */ + eloop_cancel_timeout(hostapd_wps_reenable_ap_pin, hapd, NULL); + wpa_printf(MSG_DEBUG, "WPS: AP PIN disabled indefinitely"); + } else if (!hapd->conf->ap_setup_locked) { if (hapd->ap_pin_lockout_time == 0) hapd->ap_pin_lockout_time = 60; else if (hapd->ap_pin_lockout_time < 365 * 24 * 60 * 60 && @@ -473,7 +583,60 @@ static void hostapd_pwd_auth_fail(struct hostapd_data *hapd, NULL); } - /* TODO: dualband AP may need to update other interfaces */ + return 0; +} + + +static void hostapd_pwd_auth_fail(struct hostapd_data *hapd, + struct wps_event_pwd_auth_fail *data) +{ + hostapd_wps_for_each(hapd, wps_pwd_auth_fail, data); +} + + +static int wps_ap_pin_success(struct hostapd_data *hapd, void *ctx) +{ + if (hapd->conf->ap_pin == NULL || hapd->wps == NULL) + return 0; + + if (hapd->ap_pin_failures_consecutive == 0) + return 0; + + wpa_printf(MSG_DEBUG, "WPS: Clear consecutive AP PIN failure counter " + "- total validation failures %u (%u consecutive)", + hapd->ap_pin_failures, hapd->ap_pin_failures_consecutive); + hapd->ap_pin_failures_consecutive = 0; + + return 0; +} + + +static void hostapd_wps_ap_pin_success(struct hostapd_data *hapd) +{ + hostapd_wps_for_each(hapd, wps_ap_pin_success, NULL); +} + + +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 hostapd_wps_event_fail(struct hostapd_data *hapd, + struct wps_event_fail *fail) +{ + if (fail->error_indication > 0 && + fail->error_indication < NUM_WPS_EI_VALUES) { + wpa_msg(hapd->msg_ctx, 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(hapd->msg_ctx, MSG_INFO, + WPS_EVENT_FAIL "msg=%d config_error=%d", + fail->msg, fail->config_error); + } } @@ -482,8 +645,43 @@ static void hostapd_wps_event_cb(void *ctx, enum wps_event event, { struct hostapd_data *hapd = ctx; - if (event == WPS_EV_PWD_AUTH_FAIL) + switch (event) { + case WPS_EV_M2D: + wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_M2D); + break; + case WPS_EV_FAIL: + hostapd_wps_event_fail(hapd, &data->fail); + break; + case WPS_EV_SUCCESS: + wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_SUCCESS); + break; + case WPS_EV_PWD_AUTH_FAIL: hostapd_pwd_auth_fail(hapd, &data->pwd_auth_fail); + break; + case WPS_EV_PBC_OVERLAP: + wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_OVERLAP); + break; + case WPS_EV_PBC_TIMEOUT: + wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_TIMEOUT); + break; + case WPS_EV_ER_AP_ADD: + break; + case WPS_EV_ER_AP_REMOVE: + break; + case WPS_EV_ER_ENROLLEE_ADD: + break; + case WPS_EV_ER_ENROLLEE_REMOVE: + break; + case WPS_EV_ER_AP_SETTINGS: + break; + case WPS_EV_ER_SET_SELECTED_REGISTRAR: + break; + case WPS_EV_AP_PIN_SUCCESS: + hostapd_wps_ap_pin_success(hapd); + break; + } + if (hapd->wps_event_cb) + hapd->wps_event_cb(hapd->wps_event_cb_ctx, event, data); } @@ -495,7 +693,84 @@ static void hostapd_wps_clear_ies(struct hostapd_data *hapd) wpabuf_free(hapd->wps_probe_resp_ie); hapd->wps_probe_resp_ie = NULL; - hapd->drv.set_ap_wps_ie(hapd); + hostapd_set_ap_wps_ie(hapd); +} + + +static int get_uuid_cb(struct hostapd_iface *iface, void *ctx) +{ + const u8 **uuid = ctx; + size_t j; + + if (iface == NULL) + return 0; + for (j = 0; j < iface->num_bss; j++) { + struct hostapd_data *hapd = iface->bss[j]; + if (hapd->wps && !is_nil_uuid(hapd->wps->uuid)) { + *uuid = hapd->wps->uuid; + return 1; + } + } + + return 0; +} + + +static const u8 * get_own_uuid(struct hostapd_iface *iface) +{ + const u8 *uuid; + if (iface->interfaces == NULL || + iface->interfaces->for_each_interface == NULL) + return NULL; + uuid = NULL; + iface->interfaces->for_each_interface(iface->interfaces, get_uuid_cb, + &uuid); + return uuid; +} + + +static int count_interface_cb(struct hostapd_iface *iface, void *ctx) +{ + int *count= ctx; + (*count)++; + return 0; +} + + +static int interface_count(struct hostapd_iface *iface) +{ + int count = 0; + if (iface->interfaces == NULL || + iface->interfaces->for_each_interface == NULL) + return 0; + iface->interfaces->for_each_interface(iface->interfaces, + count_interface_cb, &count); + return count; +} + + +static int hostapd_wps_set_vendor_ext(struct hostapd_data *hapd, + struct wps_context *wps) +{ + int i; + + for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++) { + wpabuf_free(wps->dev.vendor_ext[i]); + wps->dev.vendor_ext[i] = NULL; + + if (hapd->conf->wps_vendor_ext[i] == NULL) + continue; + + wps->dev.vendor_ext[i] = + wpabuf_dup(hapd->conf->wps_vendor_ext[i]); + if (wps->dev.vendor_ext[i] == NULL) { + while (--i >= 0) + wpabuf_free(wps->dev.vendor_ext[i]); + return -1; + } + } + + return 0; } @@ -522,11 +797,22 @@ int hostapd_init_wps(struct hostapd_data *hapd, wps->wps_state = hapd->conf->wps_state; wps->ap_setup_locked = hapd->conf->ap_setup_locked; if (is_nil_uuid(hapd->conf->uuid)) { - uuid_gen_mac_addr(hapd->own_addr, wps->uuid); - wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC address", - wps->uuid, UUID_LEN); - } else + const u8 *uuid; + uuid = get_own_uuid(hapd->iface); + if (uuid) { + os_memcpy(wps->uuid, uuid, UUID_LEN); + wpa_hexdump(MSG_DEBUG, "WPS: Clone UUID from another " + "interface", wps->uuid, UUID_LEN); + } else { + uuid_gen_mac_addr(hapd->own_addr, wps->uuid); + wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC " + "address", wps->uuid, UUID_LEN); + } + } else { os_memcpy(wps->uuid, hapd->conf->uuid, UUID_LEN); + wpa_hexdump(MSG_DEBUG, "WPS: Use configured UUID", + wps->uuid, UUID_LEN); + } wps->ssid_len = hapd->conf->ssid.ssid_len; os_memcpy(wps->ssid, hapd->conf->ssid.ssid, wps->ssid_len); wps->ap = 1; @@ -543,16 +829,39 @@ int hostapd_init_wps(struct hostapd_data *hapd, os_strdup(hapd->conf->serial_number) : NULL; wps->config_methods = wps_config_methods_str2bin(hapd->conf->config_methods); - if (hapd->conf->device_type && - wps_dev_type_str2bin(hapd->conf->device_type, - wps->dev.pri_dev_type) < 0) { - wpa_printf(MSG_ERROR, "WPS: Invalid device_type"); +#ifdef CONFIG_WPS2 + if ((wps->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"); + wps->config_methods |= WPS_CONFIG_VIRT_DISPLAY; + } + if ((wps->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"); + wps->config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON; + } +#endif /* CONFIG_WPS2 */ + os_memcpy(wps->dev.pri_dev_type, hapd->conf->device_type, + WPS_DEV_TYPE_LEN); + + if (hostapd_wps_set_vendor_ext(hapd, wps) < 0) { os_free(wps); return -1; } + wps->dev.os_version = WPA_GET_BE32(hapd->conf->os_version); - wps->dev.rf_bands = hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211A ? - WPS_RF_50GHZ : WPS_RF_24GHZ; /* FIX: dualband AP */ + + if (conf->wps_rf_bands) { + wps->dev.rf_bands = conf->wps_rf_bands; + } else { + wps->dev.rf_bands = + hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211A ? + WPS_RF_50GHZ : WPS_RF_24GHZ; /* FIX: dualband AP */ + } if (conf->wpa & WPA_PROTO_RSN) { if (conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK) @@ -647,10 +956,16 @@ int hostapd_init_wps(struct hostapd_data *hapd, conf->skip_cred_build; if (conf->ssid.security_policy == SECURITY_STATIC_WEP) cfg.static_wep_only = 1; + cfg.dualband = interface_count(hapd->iface) > 1; + if ((wps->dev.rf_bands & (WPS_RF_50GHZ | WPS_RF_24GHZ)) == + (WPS_RF_50GHZ | WPS_RF_24GHZ)) + cfg.dualband = 1; + if (cfg.dualband) + wpa_printf(MSG_DEBUG, "WPS: Dualband AP"); wps->registrar = wps_registrar_init(wps, &cfg); if (wps->registrar == NULL) { - printf("Failed to initialize WPS Registrar\n"); + wpa_printf(MSG_ERROR, "Failed to initialize WPS Registrar"); os_free(wps->network_key); os_free(wps); return -1; @@ -662,21 +977,49 @@ int hostapd_init_wps(struct hostapd_data *hapd, wps->model_description = hapd->conf->model_description; wps->model_url = hapd->conf->model_url; wps->upc = hapd->conf->upc; +#endif /* CONFIG_WPS_UPNP */ + + hostapd_register_probereq_cb(hapd, hostapd_wps_probe_req_rx, hapd); + + hapd->wps = wps; + + return 0; +} + + +int hostapd_init_wps_complete(struct hostapd_data *hapd) +{ + struct wps_context *wps = hapd->wps; + if (wps == NULL) + return 0; + +#ifdef CONFIG_WPS_UPNP if (hostapd_wps_upnp_init(hapd, wps) < 0) { wpa_printf(MSG_ERROR, "Failed to initialize WPS UPnP"); wps_registrar_deinit(wps->registrar); os_free(wps->network_key); os_free(wps); + hapd->wps = NULL; return -1; } #endif /* CONFIG_WPS_UPNP */ - hostapd_register_probereq_cb(hapd, hostapd_wps_probe_req_rx, hapd); + return 0; +} - hapd->wps = wps; - return 0; +static void hostapd_wps_nfc_clear(struct wps_context *wps) +{ +#ifdef CONFIG_WPS_NFC + wps->ap_nfc_dev_pw_id = 0; + wpabuf_free(wps->ap_nfc_dh_pubkey); + wps->ap_nfc_dh_pubkey = NULL; + wpabuf_free(wps->ap_nfc_dh_privkey); + wps->ap_nfc_dh_privkey = NULL; + wpabuf_free(wps->ap_nfc_dev_pw); + wps->ap_nfc_dev_pw = NULL; +#endif /* CONFIG_WPS_NFC */ } @@ -694,9 +1037,8 @@ void hostapd_deinit_wps(struct hostapd_data *hapd) wps_device_data_free(&hapd->wps->dev); wpabuf_free(hapd->wps->dh_pubkey); wpabuf_free(hapd->wps->dh_privkey); - wpabuf_free(hapd->wps->oob_conf.pubkey_hash); - wpabuf_free(hapd->wps->oob_conf.dev_password); wps_free_pending_msgs(hapd->wps->upnp_msgs); + hostapd_wps_nfc_clear(hapd->wps); os_free(hapd->wps); hapd->wps = NULL; hostapd_wps_clear_ies(hapd); @@ -707,6 +1049,17 @@ void hostapd_update_wps(struct hostapd_data *hapd) { if (hapd->wps == NULL) return; + +#ifdef CONFIG_WPS_UPNP + hapd->wps->friendly_name = hapd->conf->friendly_name; + hapd->wps->manufacturer_url = hapd->conf->manufacturer_url; + hapd->wps->model_description = hapd->conf->model_description; + hapd->wps->model_url = hapd->conf->model_url; + hapd->wps->upc = hapd->conf->upc; +#endif /* CONFIG_WPS_UPNP */ + + hostapd_wps_set_vendor_ext(hapd, hapd->wps); + if (hapd->conf->wps_state) wps_registrar_update_ie(hapd->wps->registrar); else @@ -714,88 +1067,97 @@ void hostapd_update_wps(struct hostapd_data *hapd) } -int hostapd_wps_add_pin(struct hostapd_data *hapd, const char *uuid, - const char *pin, int timeout) +struct wps_add_pin_data { + const u8 *addr; + const u8 *uuid; + const u8 *pin; + size_t pin_len; + int timeout; + int added; +}; + + +static int wps_add_pin(struct hostapd_data *hapd, void *ctx) { - u8 u[UUID_LEN]; - int any = 0; + struct wps_add_pin_data *data = ctx; + int ret; if (hapd->wps == NULL) - return -1; + return 0; + ret = wps_registrar_add_pin(hapd->wps->registrar, data->addr, + data->uuid, data->pin, data->pin_len, + data->timeout); + if (ret == 0) + data->added++; + return ret; +} + + +int hostapd_wps_add_pin(struct hostapd_data *hapd, const u8 *addr, + const char *uuid, const char *pin, int timeout) +{ + u8 u[UUID_LEN]; + struct wps_add_pin_data data; + + data.addr = addr; + data.uuid = u; + data.pin = (const u8 *) pin; + data.pin_len = os_strlen(pin); + data.timeout = timeout; + data.added = 0; + if (os_strcmp(uuid, "any") == 0) - any = 1; - else if (uuid_str2bin(uuid, u)) + data.uuid = NULL; + else { + if (uuid_str2bin(uuid, u)) + return -1; + data.uuid = u; + } + if (hostapd_wps_for_each(hapd, wps_add_pin, &data) < 0) return -1; - return wps_registrar_add_pin(hapd->wps->registrar, any ? NULL : u, - (const u8 *) pin, os_strlen(pin), - timeout); + return data.added ? 0 : -1; } -int hostapd_wps_button_pushed(struct hostapd_data *hapd) +static int wps_button_pushed(struct hostapd_data *hapd, void *ctx) { + const u8 *p2p_dev_addr = ctx; if (hapd->wps == NULL) - return -1; - return wps_registrar_button_pushed(hapd->wps->registrar); + return 0; + return wps_registrar_button_pushed(hapd->wps->registrar, p2p_dev_addr); } -#ifdef CONFIG_WPS_OOB -int hostapd_wps_start_oob(struct hostapd_data *hapd, char *device_type, - char *path, char *method, char *name) +int hostapd_wps_button_pushed(struct hostapd_data *hapd, + const u8 *p2p_dev_addr) { - struct wps_context *wps = hapd->wps; - struct oob_device_data *oob_dev; + return hostapd_wps_for_each(hapd, wps_button_pushed, + (void *) p2p_dev_addr); +} - 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_R) { - /* - * 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 = dh_init(dh_groups_get(WPS_DH_GROUP), - &wps->dh_privkey); - wps->dh_pubkey = wpabuf_zeropad(wps->dh_pubkey, 192); - if (wps->dh_pubkey == NULL) { - wpa_printf(MSG_ERROR, "WPS: Failed to initialize " - "Diffie-Hellman handshake"); - return -1; - } - } - - if (wps_process_oob(wps, oob_dev, 1) < 0) - goto error; +static int wps_cancel(struct hostapd_data *hapd, void *ctx) +{ + if (hapd->wps == NULL) + return 0; - if ((wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E || - wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_R) && - hostapd_wps_add_pin(hapd, "any", - wpabuf_head(wps->oob_conf.dev_password), 0) < - 0) - goto error; + wps_registrar_wps_cancel(hapd->wps->registrar); + ap_for_each_sta(hapd, ap_sta_wps_cancel, NULL); return 0; +} -error: - wpabuf_free(wps->dh_pubkey); - wps->dh_pubkey = NULL; - wpabuf_free(wps->dh_privkey); - wps->dh_privkey = NULL; - return -1; + +int hostapd_wps_cancel(struct hostapd_data *hapd) +{ + return hostapd_wps_for_each(hapd, wps_cancel, NULL); } -#endif /* CONFIG_WPS_OOB */ -static int hostapd_wps_probe_req_rx(void *ctx, const u8 *addr, - const u8 *ie, size_t ie_len) +static int hostapd_wps_probe_req_rx(void *ctx, const u8 *addr, const u8 *da, + const u8 *bssid, + const u8 *ie, size_t ie_len, + int ssi_signal) { struct hostapd_data *hapd = ctx; struct wpabuf *wps_ie; @@ -819,15 +1181,28 @@ static int hostapd_wps_probe_req_rx(void *ctx, const u8 *addr, wps_ie = ieee802_11_vendor_ie_concat(ie, ie_len, WPS_DEV_OUI_WFA); if (wps_ie == NULL) return 0; + if (wps_validate_probe_req(wps_ie, addr) < 0) { + wpabuf_free(wps_ie); + return 0; + } if (wpabuf_len(wps_ie) > 0) { - wps_registrar_probe_req_rx(hapd->wps->registrar, addr, wps_ie); + int p2p_wildcard = 0; +#ifdef CONFIG_P2P + if (elems.ssid && elems.ssid_len == P2P_WILDCARD_SSID_LEN && + os_memcmp(elems.ssid, P2P_WILDCARD_SSID, + P2P_WILDCARD_SSID_LEN) == 0) + p2p_wildcard = 1; +#endif /* CONFIG_P2P */ + wps_registrar_probe_req_rx(hapd->wps->registrar, addr, wps_ie, + p2p_wildcard); #ifdef CONFIG_WPS_UPNP /* FIX: what exactly should be included in the WLANEvent? * WPS attributes? Full ProbeReq frame? */ - upnp_wps_device_send_wlan_event(hapd->wps_upnp, addr, - UPNP_WPS_WLANEVENT_TYPE_PROBE, - wps_ie); + if (!p2p_wildcard) + upnp_wps_device_send_wlan_event( + hapd->wps_upnp, addr, + UPNP_WPS_WLANEVENT_TYPE_PROBE, wps_ie); #endif /* CONFIG_WPS_UPNP */ } @@ -864,6 +1239,7 @@ static int hostapd_rx_req_put_wlan_response( */ sta = ap_get_sta(hapd, mac_addr); +#ifndef CONFIG_WPS_STRICT if (!sta) { /* * Workaround - Intel wsccmd uses bogus NewWLANEventMAC: @@ -877,8 +1253,9 @@ static int hostapd_rx_req_put_wlan_response( break; } } +#endif /* CONFIG_WPS_STRICT */ - if (!sta) { + if (!sta || !(sta->flags & WLAN_STA_WPS)) { wpa_printf(MSG_DEBUG, "WPS UPnP: No matching STA found"); return 0; } @@ -911,26 +1288,19 @@ static int hostapd_wps_upnp_init(struct hostapd_data *hapd, if (hapd->conf->ap_pin) ctx->ap_pin = os_strdup(hapd->conf->ap_pin); - hapd->wps_upnp = upnp_wps_device_init(ctx, wps, hapd); - if (hapd->wps_upnp == NULL) { - os_free(ctx); + hapd->wps_upnp = upnp_wps_device_init(ctx, wps, hapd, + hapd->conf->upnp_iface); + if (hapd->wps_upnp == NULL) return -1; - } wps->wps_upnp = hapd->wps_upnp; - if (upnp_wps_device_start(hapd->wps_upnp, hapd->conf->upnp_iface)) { - upnp_wps_device_deinit(hapd->wps_upnp); - hapd->wps_upnp = NULL; - return -1; - } - return 0; } static void hostapd_wps_upnp_deinit(struct hostapd_data *hapd) { - upnp_wps_device_deinit(hapd->wps_upnp); + upnp_wps_device_deinit(hapd->wps_upnp, hapd); } #endif /* CONFIG_WPS_UPNP */ @@ -950,6 +1320,7 @@ static void hostapd_wps_ap_pin_timeout(void *eloop_data, void *user_ctx) struct hostapd_data *hapd = eloop_data; wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out"); hostapd_wps_ap_pin_disable(hapd); + wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_PIN_DISABLED); } @@ -957,6 +1328,7 @@ static void hostapd_wps_ap_pin_enable(struct hostapd_data *hapd, int timeout) { wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout); hapd->ap_pin_failures = 0; + hapd->ap_pin_failures_consecutive = 0; hapd->conf->ap_setup_locked = 0; if (hapd->wps->ap_setup_locked) { wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_SETUP_UNLOCKED); @@ -970,31 +1342,53 @@ static void hostapd_wps_ap_pin_enable(struct hostapd_data *hapd, int timeout) } -void hostapd_wps_ap_pin_disable(struct hostapd_data *hapd) +static int wps_ap_pin_disable(struct hostapd_data *hapd, void *ctx) { - wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN"); os_free(hapd->conf->ap_pin); hapd->conf->ap_pin = NULL; #ifdef CONFIG_WPS_UPNP upnp_wps_set_ap_pin(hapd->wps_upnp, NULL); #endif /* CONFIG_WPS_UPNP */ eloop_cancel_timeout(hostapd_wps_ap_pin_timeout, hapd, NULL); + return 0; } -const char * hostapd_wps_ap_pin_random(struct hostapd_data *hapd, int timeout) +void hostapd_wps_ap_pin_disable(struct hostapd_data *hapd) { - unsigned int pin; + wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN"); + hostapd_wps_for_each(hapd, wps_ap_pin_disable, NULL); +} + + +struct wps_ap_pin_data { char pin_txt[9]; + int timeout; +}; - pin = wps_generate_pin(); - os_snprintf(pin_txt, sizeof(pin_txt), "%u", pin); + +static int wps_ap_pin_set(struct hostapd_data *hapd, void *ctx) +{ + struct wps_ap_pin_data *data = ctx; os_free(hapd->conf->ap_pin); - hapd->conf->ap_pin = os_strdup(pin_txt); + hapd->conf->ap_pin = os_strdup(data->pin_txt); #ifdef CONFIG_WPS_UPNP - upnp_wps_set_ap_pin(hapd->wps_upnp, pin_txt); + upnp_wps_set_ap_pin(hapd->wps_upnp, data->pin_txt); #endif /* CONFIG_WPS_UPNP */ - hostapd_wps_ap_pin_enable(hapd, timeout); + hostapd_wps_ap_pin_enable(hapd, data->timeout); + return 0; +} + + +const char * hostapd_wps_ap_pin_random(struct hostapd_data *hapd, int timeout) +{ + unsigned int pin; + struct wps_ap_pin_data data; + + pin = wps_generate_pin(); + os_snprintf(data.pin_txt, sizeof(data.pin_txt), "%08u", pin); + data.timeout = timeout; + hostapd_wps_for_each(hapd, wps_ap_pin_set, &data); return hapd->conf->ap_pin; } @@ -1008,13 +1402,228 @@ const char * hostapd_wps_ap_pin_get(struct hostapd_data *hapd) int hostapd_wps_ap_pin_set(struct hostapd_data *hapd, const char *pin, int timeout) { - os_free(hapd->conf->ap_pin); - hapd->conf->ap_pin = os_strdup(pin); - if (hapd->conf->ap_pin == NULL) + struct wps_ap_pin_data data; + int ret; + + ret = os_snprintf(data.pin_txt, sizeof(data.pin_txt), "%s", pin); + if (ret < 0 || ret >= (int) sizeof(data.pin_txt)) return -1; -#ifdef CONFIG_WPS_UPNP - upnp_wps_set_ap_pin(hapd->wps_upnp, hapd->conf->ap_pin); -#endif /* CONFIG_WPS_UPNP */ - hostapd_wps_ap_pin_enable(hapd, timeout); + data.timeout = timeout; + return hostapd_wps_for_each(hapd, wps_ap_pin_set, &data); +} + + +static int wps_update_ie(struct hostapd_data *hapd, void *ctx) +{ + if (hapd->wps) + wps_registrar_update_ie(hapd->wps->registrar); + return 0; +} + + +void hostapd_wps_update_ie(struct hostapd_data *hapd) +{ + hostapd_wps_for_each(hapd, wps_update_ie, NULL); +} + + +int hostapd_wps_config_ap(struct hostapd_data *hapd, const char *ssid, + const char *auth, const char *encr, const char *key) +{ + struct wps_credential cred; + size_t len; + + os_memset(&cred, 0, sizeof(cred)); + + len = os_strlen(ssid); + if ((len & 1) || len > 2 * sizeof(cred.ssid) || + hexstr2bin(ssid, cred.ssid, len / 2)) + return -1; + cred.ssid_len = len / 2; + + if (os_strncmp(auth, "OPEN", 4) == 0) + cred.auth_type = WPS_AUTH_OPEN; + else if (os_strncmp(auth, "WPAPSK", 6) == 0) + cred.auth_type = WPS_AUTH_WPAPSK; + else if (os_strncmp(auth, "WPA2PSK", 7) == 0) + cred.auth_type = WPS_AUTH_WPA2PSK; + else + return -1; + + if (encr) { + if (os_strncmp(encr, "NONE", 4) == 0) + cred.encr_type = WPS_ENCR_NONE; + else if (os_strncmp(encr, "WEP", 3) == 0) + cred.encr_type = WPS_ENCR_WEP; + else if (os_strncmp(encr, "TKIP", 4) == 0) + cred.encr_type = WPS_ENCR_TKIP; + else if (os_strncmp(encr, "CCMP", 4) == 0) + cred.encr_type = WPS_ENCR_AES; + else + return -1; + } else + cred.encr_type = WPS_ENCR_NONE; + + if (key) { + len = os_strlen(key); + if ((len & 1) || len > 2 * sizeof(cred.key) || + hexstr2bin(key, cred.key, len / 2)) + return -1; + cred.key_len = len / 2; + } + + return wps_registrar_config_ap(hapd->wps->registrar, &cred); +} + + +#ifdef CONFIG_WPS_NFC + +struct wps_nfc_password_token_data { + const u8 *oob_dev_pw; + size_t oob_dev_pw_len; + int added; +}; + + +static int wps_add_nfc_password_token(struct hostapd_data *hapd, void *ctx) +{ + struct wps_nfc_password_token_data *data = ctx; + int ret; + + if (hapd->wps == NULL) + return 0; + ret = wps_registrar_add_nfc_password_token(hapd->wps->registrar, + data->oob_dev_pw, + data->oob_dev_pw_len); + if (ret == 0) + data->added++; + return ret; +} + + +static int hostapd_wps_add_nfc_password_token(struct hostapd_data *hapd, + struct wps_parse_attr *attr) +{ + struct wps_nfc_password_token_data data; + + data.oob_dev_pw = attr->oob_dev_password; + data.oob_dev_pw_len = attr->oob_dev_password_len; + data.added = 0; + if (hostapd_wps_for_each(hapd, wps_add_nfc_password_token, &data) < 0) + return -1; + return data.added ? 0 : -1; +} + + +static int hostapd_wps_nfc_tag_process(struct hostapd_data *hapd, + 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.oob_dev_password) + return hostapd_wps_add_nfc_password_token(hapd, &attr); + + wpa_printf(MSG_DEBUG, "WPS: Ignore unrecognized NFC tag"); + return -1; +} + + +int hostapd_wps_nfc_tag_read(struct hostapd_data *hapd, + 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 = hostapd_wps_nfc_tag_process(hapd, wps); + wpabuf_free(tmp); + return ret; +} + + +struct wpabuf * hostapd_wps_nfc_config_token(struct hostapd_data *hapd, + int ndef) +{ + struct wpabuf *ret; + + if (hapd->wps == NULL) + return NULL; + + ret = wps_get_oob_cred(hapd->wps); + if (ndef && ret) { + struct wpabuf *tmp; + tmp = ndef_build_wifi(ret); + wpabuf_free(ret); + if (tmp == NULL) + return NULL; + ret = tmp; + } + + return ret; +} + + +struct wpabuf * hostapd_wps_nfc_token_gen(struct hostapd_data *hapd, int ndef) +{ + return wps_nfc_token_gen(ndef, &hapd->conf->wps_nfc_dev_pw_id, + &hapd->conf->wps_nfc_dh_pubkey, + &hapd->conf->wps_nfc_dh_privkey, + &hapd->conf->wps_nfc_dev_pw); +} + + +int hostapd_wps_nfc_token_enable(struct hostapd_data *hapd) +{ + struct wps_context *wps = hapd->wps; + + if (wps == NULL) + return -1; + + if (!hapd->conf->wps_nfc_dh_pubkey || + !hapd->conf->wps_nfc_dh_privkey || + !hapd->conf->wps_nfc_dev_pw || + !hapd->conf->wps_nfc_dev_pw_id) + return -1; + + hostapd_wps_nfc_clear(wps); + wps->ap_nfc_dev_pw_id = hapd->conf->wps_nfc_dev_pw_id; + wps->ap_nfc_dh_pubkey = wpabuf_dup(hapd->conf->wps_nfc_dh_pubkey); + wps->ap_nfc_dh_privkey = wpabuf_dup(hapd->conf->wps_nfc_dh_privkey); + wps->ap_nfc_dev_pw = wpabuf_dup(hapd->conf->wps_nfc_dev_pw); + + if (!wps->ap_nfc_dh_pubkey || !wps->ap_nfc_dh_privkey || + !wps->ap_nfc_dev_pw) { + hostapd_wps_nfc_clear(wps); + return -1; + } + return 0; } + + +void hostapd_wps_nfc_token_disable(struct hostapd_data *hapd) +{ + hostapd_wps_nfc_clear(hapd->wps); +} + +#endif /* CONFIG_WPS_NFC */ |