mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
373 lines
10 KiB
C
373 lines
10 KiB
C
/*
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* SPDX-FileCopyrightText: 2019-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "utils/includes.h"
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#include "utils/common.h"
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#include "utils/eloop.h"
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#include "rsn_supp/wpa.h"
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#include "rsn_supp/wpa_i.h"
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#include "common/eapol_common.h"
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#include "common/ieee802_11_defs.h"
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#include "common/ieee802_11_common.h"
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#include "rsn_supp/wpa_ie.h"
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#include "ap/wpa_auth.h"
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#include "ap/wpa_auth_i.h"
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#include "ap/ap_config.h"
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#include "ap/hostapd.h"
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#include "esp_wpas_glue.h"
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#include "esp_hostap.h"
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#include "esp_system.h"
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#include "crypto/crypto.h"
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#include "crypto/sha1.h"
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#include "crypto/aes_wrap.h"
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#include "esp_wifi_driver.h"
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#include "esp_private/wifi.h"
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#include "esp_wpa3_i.h"
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#include "esp_wpa2.h"
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#include "esp_common_i.h"
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#include "esp_owe_i.h"
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#include "esp_wps.h"
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#include "eap_server/eap.h"
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#include "eapol_auth/eapol_auth_sm.h"
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#include "ap/ieee802_1x.h"
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#include "ap/sta_info.h"
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#include "wps/wps_defs.h"
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const wifi_osi_funcs_t *wifi_funcs;
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void wpa_install_key(enum wpa_alg alg, u8 *addr, int key_idx, int set_tx,
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u8 *seq, size_t seq_len, u8 *key, size_t key_len, enum key_flag key_flag)
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{
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esp_wifi_set_sta_key_internal(alg, addr, key_idx, set_tx, seq, seq_len, key, key_len, key_flag);
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}
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int wpa_get_key(uint8_t *ifx, int *alg, u8 *addr, int *key_idx,
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u8 *key, size_t key_len, enum key_flag key_flag)
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{
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return esp_wifi_get_sta_key_internal(ifx, alg, addr, key_idx, key, key_len, key_flag);
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}
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/**
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* eapol_sm_notify_eap_success - Notification of external EAP success trigger
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* @sm: Pointer to EAPOL state machine allocated with eapol_sm_init()
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* @success: %TRUE = set success, %FALSE = clear success
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*
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* Notify the EAPOL state machine that external event has forced EAP state to
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* success (success = %TRUE). This can be cleared by setting success = %FALSE.
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*
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* This function is called to update EAP state when WPA-PSK key handshake has
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* been completed successfully since WPA-PSK does not use EAP state machine.
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*/
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/* fix buf for tx for now */
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#define WPA_TX_MSG_BUFF_MAXLEN 200
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void wpa_sendto_wrapper(void *buffer, u16 len)
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{
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esp_wifi_internal_tx(0, buffer, len);
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}
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void wpa_deauthenticate(u8 reason_code)
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{
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esp_wifi_deauthenticate_internal(reason_code);
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}
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int wpa_config_profile(uint8_t *bssid)
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{
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int ret = 0;
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if (esp_wifi_sta_prof_is_wpa_internal()) {
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wpa_set_profile(WPA_PROTO_WPA, esp_wifi_sta_get_prof_authmode_internal());
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} else if (esp_wifi_sta_prof_is_rsn_internal()) {
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wpa_set_profile(WPA_PROTO_RSN, esp_wifi_sta_get_prof_authmode_internal());
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} else if (esp_wifi_sta_prof_is_wapi_internal()) {
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wpa_set_profile(WPA_PROTO_WAPI, esp_wifi_sta_get_prof_authmode_internal());
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} else {
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ret = -1;
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}
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return ret;
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}
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int wpa_config_bss(uint8_t *bssid)
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{
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int ret = 0;
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struct wifi_ssid *ssid = esp_wifi_sta_get_prof_ssid_internal();
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u8 mac[6];
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esp_wifi_get_macaddr_internal(0, mac);
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ret = wpa_set_bss((char *)mac, (char *)bssid, esp_wifi_sta_get_pairwise_cipher_internal(), esp_wifi_sta_get_group_cipher_internal(),
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(char *)esp_wifi_sta_get_prof_password_internal(), ssid->ssid, ssid->len);
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return ret;
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}
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void wpa_config_assoc_ie(u8 proto, u8 *assoc_buf, u32 assoc_wpa_ie_len)
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{
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if (proto == BIT(0)) {
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esp_wifi_set_appie_internal(WIFI_APPIE_WPA, assoc_buf, assoc_wpa_ie_len, 1);
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} else {
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esp_wifi_set_appie_internal(WIFI_APPIE_RSN, assoc_buf, assoc_wpa_ie_len, 1);
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}
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}
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void wpa_neg_complete(void)
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{
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esp_wifi_auth_done_internal();
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}
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bool wpa_attach(void)
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{
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bool ret = true;
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ret = wpa_sm_init();
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if(ret) {
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ret = (esp_wifi_register_tx_cb_internal(eapol_txcb, WIFI_TXCB_EAPOL_ID) == ESP_OK);
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}
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esp_set_scan_ie();
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return ret;
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}
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uint8_t *wpa_ap_get_wpa_ie(uint8_t *ie_len)
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{
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struct hostapd_data *hapd = (struct hostapd_data *)esp_wifi_get_hostap_private_internal();
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if (!hapd || !hapd->wpa_auth || !hapd->wpa_auth->wpa_ie) {
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return NULL;
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}
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*ie_len = hapd->wpa_auth->wpa_ie_len;
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return hapd->wpa_auth->wpa_ie;
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}
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bool wpa_ap_rx_eapol(void *hapd_data, void *sm_data, u8 *data, size_t data_len)
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{
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struct hostapd_data *hapd = (struct hostapd_data *)hapd_data;
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struct sta_info *sta = (struct sta_info *)sm_data;
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if (!hapd || !sta) {
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wpa_printf(MSG_DEBUG, "hapd=%p sta=%p", hapd, sta);
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return false;
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}
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#ifdef CONFIG_WPS_REGISTRAR
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int wps_type = esp_wifi_get_wps_type_internal();
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if ((wps_type == WPS_TYPE_PBC) ||
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(wps_type == WPS_TYPE_PIN)) {
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ieee802_1x_receive(hapd, sta->addr, data, data_len);
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return true;
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}
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#endif
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wpa_receive(hapd->wpa_auth, sta->wpa_sm, data, data_len);
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return true;
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}
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void wpa_ap_get_peer_spp_msg(void *sm_data, bool *spp_cap, bool *spp_req)
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{
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struct wpa_state_machine *sm = (struct wpa_state_machine *)sm_data;
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if (!sm) {
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return;
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}
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*spp_cap = sm->spp_sup.capable;
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*spp_req = sm->spp_sup.require;
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}
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bool wpa_deattach(void)
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{
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esp_wifi_sta_wpa2_ent_disable();
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wpa_sm_deinit();
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return true;
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}
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int wpa_sta_connect(uint8_t *bssid)
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{
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/* use this API to set AP specific IEs during connection */
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int ret = 0;
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ret = wpa_config_profile(bssid);
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if (ret == 0) {
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ret = wpa_config_bss(bssid);
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if (ret) {
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wpa_printf(MSG_DEBUG, "Rejecting bss, validation failed");
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return ret;
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}
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} else if (esp_wifi_sta_get_prof_authmode_internal() == NONE_AUTH) {
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esp_set_assoc_ie((uint8_t *)bssid, NULL, 0, false);
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}
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return 0;
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}
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void wpa_config_done(void)
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{
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/* used in future for setting scan and assoc IEs */
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}
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int wpa_parse_wpa_ie_wrapper(const u8 *wpa_ie, size_t wpa_ie_len, wifi_wpa_ie_t *data)
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{
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struct wpa_ie_data ie;
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int ret = 0;
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ret = wpa_parse_wpa_ie(wpa_ie, wpa_ie_len, &ie);
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data->proto = ie.proto;
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data->pairwise_cipher = cipher_type_map_supp_to_public(ie.pairwise_cipher);
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data->group_cipher = cipher_type_map_supp_to_public(ie.group_cipher);
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data->key_mgmt = ie.key_mgmt;
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data->capabilities = ie.capabilities;
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data->pmkid = ie.pmkid;
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data->mgmt_group_cipher = cipher_type_map_supp_to_public(ie.mgmt_group_cipher);
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data->rsnxe_capa = ie.rsnxe_capa;
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return ret;
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}
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static void wpa_sta_disconnected_cb(uint8_t reason_code)
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{
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switch (reason_code) {
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case WIFI_REASON_AUTH_EXPIRE:
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case WIFI_REASON_NOT_AUTHED:
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case WIFI_REASON_NOT_ASSOCED:
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case WIFI_REASON_4WAY_HANDSHAKE_TIMEOUT:
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case WIFI_REASON_INVALID_PMKID:
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case WIFI_REASON_AUTH_FAIL:
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case WIFI_REASON_ASSOC_FAIL:
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case WIFI_REASON_CONNECTION_FAIL:
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case WIFI_REASON_HANDSHAKE_TIMEOUT:
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esp_wpa3_free_sae_data();
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wpa_sta_clear_curr_pmksa();
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break;
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default:
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break;
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}
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#ifdef CONFIG_OWE_STA
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owe_deinit();
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#endif /* CONFIG_OWE_STA */
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}
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#ifdef CONFIG_ESP_WIFI_SOFTAP_SUPPORT
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#ifdef CONFIG_WPS_REGISTRAR
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static int check_n_add_wps_sta(struct hostapd_data *hapd, struct sta_info *sta_info, u8 *ies, u8 ies_len, bool *pmf_enable)
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{
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struct wpabuf *wps_ie = ieee802_11_vendor_ie_concat(ies, ies_len, WPS_DEV_OUI_WFA);
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int wps_type = esp_wifi_get_wps_type_internal();
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/* Condition for this, WPS is running and WPS IEs are part of assoc req */
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if (!wps_ie || (wps_type == WPS_TYPE_DISABLE)) {
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return 0;
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}
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sta_info->wps_ie = wps_ie;
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sta_info->eapol_sm = ieee802_1x_alloc_eapol_sm(hapd, sta_info);
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if (sta_info->eapol_sm) {
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wpa_printf(MSG_DEBUG, "considering station " MACSTR " for WPS", MAC2STR(sta_info->addr));
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return 1;
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}
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return 0;
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}
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#endif
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static bool hostap_sta_join(void **sta, u8 *bssid, u8 *wpa_ie, u8 wpa_ie_len, bool *pmf_enable)
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{
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struct sta_info *sta_info;
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struct hostapd_data *hapd = hostapd_get_hapd_data();
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if (!hapd) {
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return 0;
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}
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if (*sta) {
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ap_free_sta(hapd, *sta);
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}
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sta_info = ap_sta_add(hapd, bssid);
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if (!sta_info) {
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wpa_printf(MSG_ERROR, "failed to add station " MACSTR, MAC2STR(bssid));
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return 0;
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}
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#ifdef CONFIG_WPS_REGISTRAR
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if (check_n_add_wps_sta(hapd, sta_info, wpa_ie, wpa_ie_len, pmf_enable)) {
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*sta = sta_info;
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return true;
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}
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#endif
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if (wpa_ap_join(sta_info, bssid, wpa_ie, wpa_ie_len, pmf_enable)) {
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*sta = sta_info;
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return true;
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}
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return false;
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}
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#endif
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int esp_supplicant_init(void)
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{
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int ret = ESP_OK;
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struct wpa_funcs *wpa_cb;
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wifi_funcs = WIFI_OSI_FUNCS_INITIALIZER();
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if (!wifi_funcs) {
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return ESP_ERR_NOT_FOUND;
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}
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wpa_cb = (struct wpa_funcs *)os_zalloc(sizeof(struct wpa_funcs));
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if (!wpa_cb) {
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return ESP_ERR_NO_MEM;
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}
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wpa_cb->wpa_sta_init = wpa_attach;
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wpa_cb->wpa_sta_deinit = wpa_deattach;
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wpa_cb->wpa_sta_rx_eapol = wpa_sm_rx_eapol;
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wpa_cb->wpa_sta_connect = wpa_sta_connect;
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wpa_cb->wpa_sta_disconnected_cb = wpa_sta_disconnected_cb;
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wpa_cb->wpa_sta_in_4way_handshake = wpa_sta_in_4way_handshake;
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#ifdef CONFIG_ESP_WIFI_SOFTAP_SUPPORT
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wpa_cb->wpa_ap_join = hostap_sta_join;
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wpa_cb->wpa_ap_remove = wpa_ap_remove;
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wpa_cb->wpa_ap_get_wpa_ie = wpa_ap_get_wpa_ie;
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wpa_cb->wpa_ap_rx_eapol = wpa_ap_rx_eapol;
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wpa_cb->wpa_ap_get_peer_spp_msg = wpa_ap_get_peer_spp_msg;
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wpa_cb->wpa_ap_init = hostap_init;
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wpa_cb->wpa_ap_deinit = hostap_deinit;
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#endif
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wpa_cb->wpa_config_parse_string = wpa_config_parse_string;
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wpa_cb->wpa_parse_wpa_ie = wpa_parse_wpa_ie_wrapper;
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wpa_cb->wpa_config_bss = NULL;//wpa_config_bss;
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wpa_cb->wpa_michael_mic_failure = wpa_michael_mic_failure;
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wpa_cb->wpa_config_done = wpa_config_done;
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wpa_cb->wpa_sta_set_ap_rsnxe = wpa_sm_set_ap_rsnxe;
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esp_wifi_register_wpa3_cb(wpa_cb);
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#ifdef CONFIG_OWE_STA
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esp_wifi_register_owe_cb(wpa_cb);
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#endif /* CONFIG_OWE_STA */
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eloop_init();
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ret = esp_supplicant_common_init(wpa_cb);
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if (ret != 0) {
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return ret;
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}
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esp_wifi_register_wpa_cb_internal(wpa_cb);
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#if CONFIG_WPA_WAPI_PSK
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ret = esp_wifi_internal_wapi_init();
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#endif
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return ret;
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}
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int esp_supplicant_deinit(void)
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{
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esp_supplicant_common_deinit();
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eloop_destroy();
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return esp_wifi_unregister_wpa_cb_internal();
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}
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