mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
c797146f43
1) Resolve wpa_suppliant coverity issues caused by SAE softAP 2) Fix crash occured while deinitialization of softAP when authmode is changed 3) Fix issue related to anti clogging token and send_confirm 4) Put some AP specific functions under ESP_WIFI_SOFTAP_SUPPORT compilation flags
306 lines
8.7 KiB
C
306 lines
8.7 KiB
C
/*
|
|
* SPDX-FileCopyrightText: 2019-2022 Espressif Systems (Shanghai) CO LTD
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#include "utils/includes.h"
|
|
|
|
#include "utils/common.h"
|
|
#include "crypto/sha1.h"
|
|
#include "common/ieee802_11_defs.h"
|
|
#include "common/eapol_common.h"
|
|
#include "ap/wpa_auth.h"
|
|
#include "ap/ap_config.h"
|
|
#include "utils/wpa_debug.h"
|
|
#include "ap/hostapd.h"
|
|
#include "ap/wpa_auth_i.h"
|
|
#include "esp_wifi_driver.h"
|
|
#include "esp_wifi_types.h"
|
|
#include "esp_wpa3_i.h"
|
|
|
|
struct hostapd_data *global_hapd;
|
|
|
|
#ifdef CONFIG_SAE
|
|
extern SemaphoreHandle_t g_wpa3_hostap_auth_api_lock;
|
|
#endif /* CONFIG_SAE */
|
|
|
|
struct hostapd_data *hostapd_get_hapd_data(void)
|
|
{
|
|
return global_hapd;
|
|
}
|
|
|
|
void *hostap_init(void)
|
|
{
|
|
struct wifi_ssid *ssid = esp_wifi_ap_get_prof_ap_ssid_internal();
|
|
struct hostapd_data *hapd = NULL;
|
|
struct wpa_auth_config *auth_conf;
|
|
u16 spp_attrubute = 0;
|
|
u8 pairwise_cipher;
|
|
wifi_pmf_config_t pmf_cfg;
|
|
uint8_t authmode;
|
|
|
|
hapd = (struct hostapd_data *)os_zalloc(sizeof(struct hostapd_data));
|
|
|
|
if (hapd == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
hapd->conf = (struct hostapd_bss_config *)os_zalloc(sizeof(struct hostapd_bss_config));
|
|
|
|
if (hapd->conf == NULL) {
|
|
os_free(hapd);
|
|
return NULL;
|
|
}
|
|
|
|
auth_conf = (struct wpa_auth_config *)os_zalloc(sizeof(struct wpa_auth_config));
|
|
|
|
if (auth_conf == NULL) {
|
|
os_free(hapd->conf);
|
|
os_free(hapd);
|
|
hapd = NULL;
|
|
return NULL;
|
|
}
|
|
|
|
hapd->conf->sae_pwe = esp_wifi_get_config_sae_pwe_h2e_internal(WIFI_IF_AP);
|
|
auth_conf->sae_pwe = hapd->conf->sae_pwe;
|
|
|
|
authmode = esp_wifi_ap_get_prof_authmode_internal();
|
|
if (authmode == WIFI_AUTH_WPA_PSK) {
|
|
auth_conf->wpa = WPA_PROTO_WPA;
|
|
}
|
|
if (authmode == WIFI_AUTH_WPA2_PSK) {
|
|
auth_conf->wpa = WPA_PROTO_RSN;
|
|
}
|
|
if (authmode == WIFI_AUTH_WPA_WPA2_PSK) {
|
|
auth_conf->wpa = WPA_PROTO_RSN | WPA_PROTO_WPA;
|
|
}
|
|
if (authmode == WIFI_AUTH_WPA3_PSK || authmode == WIFI_AUTH_WPA2_WPA3_PSK) {
|
|
auth_conf->wpa = WPA_PROTO_RSN;
|
|
}
|
|
|
|
pairwise_cipher = esp_wifi_ap_get_prof_pairwise_cipher_internal();
|
|
|
|
#ifdef CONFIG_IEEE80211W
|
|
|
|
esp_wifi_get_pmf_config_internal(&pmf_cfg, WIFI_IF_AP);
|
|
|
|
if (pmf_cfg.required) {
|
|
pairwise_cipher = WIFI_CIPHER_TYPE_CCMP;
|
|
}
|
|
#endif /* CONFIG_IEEE80211W */
|
|
|
|
/* TKIP is compulsory in WPA Mode */
|
|
if (auth_conf->wpa == WPA_PROTO_WPA && pairwise_cipher == WIFI_CIPHER_TYPE_CCMP) {
|
|
pairwise_cipher = WIFI_CIPHER_TYPE_TKIP_CCMP;
|
|
}
|
|
if (pairwise_cipher == WIFI_CIPHER_TYPE_TKIP) {
|
|
auth_conf->wpa_group = WPA_CIPHER_TKIP;
|
|
auth_conf->wpa_pairwise = WPA_CIPHER_TKIP;
|
|
auth_conf->rsn_pairwise = WPA_CIPHER_TKIP;
|
|
} else if (pairwise_cipher == WIFI_CIPHER_TYPE_CCMP) {
|
|
auth_conf->wpa_group = WPA_CIPHER_CCMP;
|
|
auth_conf->wpa_pairwise = WPA_CIPHER_CCMP;
|
|
auth_conf->rsn_pairwise = WPA_CIPHER_CCMP;
|
|
} else {
|
|
auth_conf->wpa_group = WPA_CIPHER_TKIP;
|
|
auth_conf->wpa_pairwise = WPA_CIPHER_CCMP | WPA_CIPHER_TKIP;
|
|
auth_conf->rsn_pairwise = WPA_CIPHER_CCMP | WPA_CIPHER_TKIP;
|
|
}
|
|
|
|
auth_conf->wpa_key_mgmt = WPA_KEY_MGMT_PSK;
|
|
auth_conf->eapol_version = EAPOL_VERSION;
|
|
|
|
hapd->conf->sae_anti_clogging_threshold = SAE_ANTI_CLOGGING_THRESHOLD;
|
|
#ifdef CONFIG_IEEE80211W
|
|
if (pmf_cfg.required && pmf_cfg.capable) {
|
|
auth_conf->ieee80211w = MGMT_FRAME_PROTECTION_REQUIRED;
|
|
auth_conf->wpa_key_mgmt = WPA_KEY_MGMT_PSK_SHA256;
|
|
wpa_printf(MSG_DEBUG, "%s :pmf required", __func__);
|
|
} else if (pmf_cfg.capable && !pmf_cfg.required) {
|
|
auth_conf->ieee80211w = MGMT_FRAME_PROTECTION_OPTIONAL;
|
|
auth_conf->wpa_key_mgmt = WPA_KEY_MGMT_PSK;
|
|
wpa_printf(MSG_DEBUG, "%s : pmf optional", __func__);
|
|
}
|
|
|
|
if (authmode == WIFI_AUTH_WPA2_WPA3_PSK) {
|
|
auth_conf->wpa_key_mgmt |= WPA_KEY_MGMT_SAE;
|
|
}
|
|
|
|
if (authmode == WIFI_AUTH_WPA3_PSK) {
|
|
auth_conf->wpa_key_mgmt = WPA_KEY_MGMT_SAE;
|
|
}
|
|
#endif /* CONFIG_IEEE80211W */
|
|
|
|
spp_attrubute = esp_wifi_get_spp_attrubute_internal(WIFI_IF_AP);
|
|
auth_conf->spp_sup.capable = ((spp_attrubute & WPA_CAPABILITY_SPP_CAPABLE) ? SPP_AMSDU_CAP_ENABLE : SPP_AMSDU_CAP_DISABLE);
|
|
auth_conf->spp_sup.require = ((spp_attrubute & WPA_CAPABILITY_SPP_REQUIRED) ? SPP_AMSDU_REQ_ENABLE : SPP_AMSDU_REQ_DISABLE);
|
|
|
|
memcpy(hapd->conf->ssid.ssid, ssid->ssid, ssid->len);
|
|
hapd->conf->ssid.ssid_len = ssid->len;
|
|
hapd->conf->wpa_key_mgmt = auth_conf->wpa_key_mgmt;
|
|
hapd->conf->ssid.wpa_passphrase = (char *)os_zalloc(64);
|
|
if (hapd->conf->ssid.wpa_passphrase == NULL) {
|
|
os_free(auth_conf);
|
|
os_free(hapd->conf);
|
|
os_free(hapd);
|
|
hapd = NULL;
|
|
return NULL;
|
|
}
|
|
|
|
#ifdef CONFIG_SAE
|
|
if (authmode == WIFI_AUTH_WPA3_PSK ||
|
|
authmode == WIFI_AUTH_WPA2_WPA3_PSK) {
|
|
if (wpa3_hostap_auth_init(hapd) != 0) {
|
|
os_free(hapd->conf->ssid.wpa_passphrase);
|
|
os_free(auth_conf);
|
|
os_free(hapd->conf);
|
|
os_free(hapd);
|
|
hapd = NULL;
|
|
return NULL;
|
|
}
|
|
}
|
|
#endif /* CONFIG_SAE */
|
|
|
|
os_memcpy(hapd->conf->ssid.wpa_passphrase, esp_wifi_ap_get_prof_password_internal(), strlen((char *)esp_wifi_ap_get_prof_password_internal()));
|
|
|
|
hapd->conf->max_num_sta = esp_wifi_ap_get_max_sta_conn();
|
|
|
|
hapd->conf->ap_max_inactivity = 5 * 60;
|
|
hostapd_setup_wpa_psk(hapd->conf);
|
|
|
|
esp_wifi_get_macaddr_internal(WIFI_IF_AP, hapd->own_addr);
|
|
|
|
hapd->wpa_auth = wpa_init(hapd->own_addr, auth_conf, NULL);
|
|
esp_wifi_set_appie_internal(WIFI_APPIE_WPA, hapd->wpa_auth->wpa_ie, (uint16_t)hapd->wpa_auth->wpa_ie_len, 0);
|
|
os_free(auth_conf);
|
|
global_hapd = hapd;
|
|
|
|
return (void *)hapd;
|
|
}
|
|
|
|
void hostapd_cleanup(struct hostapd_data *hapd)
|
|
{
|
|
if (hapd == NULL) {
|
|
return;
|
|
}
|
|
if(hapd->wpa_auth) {
|
|
wpa_deinit(hapd->wpa_auth);
|
|
hapd->wpa_auth = NULL;
|
|
}
|
|
|
|
if (hapd->conf) {
|
|
hostapd_config_free_bss(hapd->conf);
|
|
hapd->conf = NULL;
|
|
}
|
|
|
|
#ifdef CONFIG_SAE
|
|
|
|
struct hostapd_sae_commit_queue *q, *tmp;
|
|
|
|
if (dl_list_empty(&hapd->sae_commit_queue)) {
|
|
dl_list_for_each_safe(q, tmp, &hapd->sae_commit_queue,
|
|
struct hostapd_sae_commit_queue, list) {
|
|
dl_list_del(&q->list);
|
|
os_free(q);
|
|
}
|
|
}
|
|
|
|
#endif /* CONFIG_SAE */
|
|
|
|
os_free(hapd);
|
|
global_hapd = NULL;
|
|
|
|
}
|
|
|
|
|
|
bool hostap_deinit(void *data)
|
|
{
|
|
struct hostapd_data *hapd = (struct hostapd_data *)data;
|
|
|
|
if (hapd == NULL) {
|
|
return true;
|
|
}
|
|
esp_wifi_unset_appie_internal(WIFI_APPIE_WPA);
|
|
|
|
#ifdef CONFIG_SAE
|
|
wpa3_hostap_auth_deinit();
|
|
/* Wait till lock is released by wpa3 task */
|
|
if (g_wpa3_hostap_auth_api_lock &&
|
|
WPA3_HOSTAP_AUTH_API_LOCK() == pdTRUE) {
|
|
WPA3_HOSTAP_AUTH_API_UNLOCK();
|
|
}
|
|
#endif /* CONFIG_SAE */
|
|
|
|
hostapd_cleanup(hapd);
|
|
|
|
return true;
|
|
}
|
|
|
|
int esp_wifi_build_rsnxe(struct hostapd_data *hapd, u8 *eid, size_t len)
|
|
{
|
|
u8 *pos = eid;
|
|
u16 capab = 0;
|
|
size_t flen;
|
|
|
|
if (!(hapd->wpa_auth->conf.wpa & WPA_PROTO_RSN)) {
|
|
return 0;
|
|
}
|
|
|
|
if (wpa_key_mgmt_sae(hapd->wpa_auth->conf.wpa_key_mgmt) &&
|
|
(hapd->conf->sae_pwe == SAE_PWE_HASH_TO_ELEMENT
|
|
|| hapd->conf->sae_pwe == SAE_PWE_BOTH)) {
|
|
capab |= BIT(WLAN_RSNX_CAPAB_SAE_H2E);
|
|
}
|
|
|
|
flen = 1;
|
|
if (len < 2 + flen || !capab) {
|
|
return 0; /* no supported extended RSN capabilities */
|
|
}
|
|
capab |= flen - 1; /* bit 0-3 = Field length (n - 1) */
|
|
|
|
*pos++ = WLAN_EID_RSNX;
|
|
*pos++ = flen;
|
|
*pos++ = capab & 0x00ff;
|
|
|
|
return pos - eid;
|
|
}
|
|
|
|
u16 esp_send_assoc_resp(struct hostapd_data *hapd, struct sta_info *sta,
|
|
const u8 *addr, u16 status_code, bool omit_rsnxe, int subtype)
|
|
{
|
|
#define ASSOC_RESP_LENGTH 20
|
|
u8 buf[ASSOC_RESP_LENGTH];
|
|
wifi_mgmt_frm_req_t *reply = NULL;
|
|
int send_len = 0;
|
|
|
|
int res = WLAN_STATUS_SUCCESS;
|
|
|
|
if (!omit_rsnxe) {
|
|
send_len = esp_wifi_build_rsnxe(hapd, buf, ASSOC_RESP_LENGTH);
|
|
}
|
|
|
|
esp_wifi_set_appie_internal(WIFI_APPIE_ASSOC_RESP, buf, send_len, 0);
|
|
|
|
reply = os_zalloc(sizeof(wifi_mgmt_frm_req_t) + sizeof(uint16_t));
|
|
if (!reply) {
|
|
wpa_printf(MSG_ERROR, "failed to allocate memory for assoc response");
|
|
res = WLAN_STATUS_UNSPECIFIED_FAILURE;
|
|
goto done;
|
|
}
|
|
reply->ifx = WIFI_IF_AP;
|
|
reply->subtype = subtype;
|
|
os_memcpy(reply->da, addr, ETH_ALEN);
|
|
reply->data_len = sizeof(uint16_t);
|
|
|
|
((uint16_t *)reply->data)[0] = status_code;
|
|
if (esp_wifi_send_mgmt_frm_internal(reply) != 0) {
|
|
res = WLAN_STATUS_UNSPECIFIED_FAILURE;
|
|
wpa_printf(MSG_INFO, "esp_send_assoc_resp_failed: send failed");
|
|
}
|
|
#undef ASSOC_RESP_LENGTH
|
|
done:
|
|
os_free(reply);
|
|
return res;
|
|
}
|