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Merge branch 'bugfix/rrm_dpp_task_delete_v4.4' into 'release/v4.4' 

wpa_supplicant: backport WLAN fixes (release v4.4)

See merge request espressif/esp-idf!17655
pull/8934/head
Jiang Jiang Jian 2022-04-26 12:38:04 +08:00
rodzic 69a3bdacb0 2231a3bcbe
commit 36823b45cc
16 zmienionych plików z 152 dodań i 75 usunięć
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19
components/wpa_supplicant/CMakeLists.txt
Wyświetl plik

@ -5,7 +5,6 @@ set(srcs "port/os_xtensa.c"
"src/ap/wpa_auth_ie.c"
"src/common/sae.c"
"src/common/wpa_common.c"
"src/common/dpp.c"
"src/utils/bitfield.c"
"src/crypto/aes-siv.c"
"src/crypto/sha256-kdf.c"
@ -59,8 +58,7 @@ set(esp_srcs "esp_supplicant/src/esp_wpa2.c"
"esp_supplicant/src/esp_wpa_main.c"
"esp_supplicant/src/esp_wpas_glue.c"
"esp_supplicant/src/esp_wps.c"
"esp_supplicant/src/esp_wpa3.c"
"esp_supplicant/src/esp_dpp.c")
"esp_supplicant/src/esp_wpa3.c")
if(CONFIG_ESP_WIFI_SOFTAP_SUPPORT)
set(esp_srcs ${esp_srcs} "esp_supplicant/src/esp_hostap.c")
endif()
@ -162,13 +160,22 @@ if(CONFIG_WPA_11KV_SUPPORT)
else()
set(roaming_src "")
endif()
if(CONFIG_WPA_MBO_SUPPORT)
set(mbo_src "src/common/mbo.c")
else()
set(mbo_src "")
endif()
idf_component_register(SRCS "${srcs}" ${esp_srcs} "${tls_src}" "${roaming_src}" "${crypto_src}" "${mbo_src}"
if(CONFIG_WPA_DPP_SUPPORT)
set(dpp_src "src/common/dpp.c"
"esp_supplicant/src/esp_dpp.c")
else()
set(dpp_src "")
endif()
idf_component_register(SRCS "${srcs}" ${esp_srcs} "${tls_src}" "${roaming_src}"
"${crypto_src}" "${mbo_src}" "${dpp_src}"
INCLUDE_DIRS include port/include esp_supplicant/include
PRIV_INCLUDE_DIRS src src/utils esp_supplicant/src
PRIV_REQUIRES mbedtls esp_timer)
@ -193,7 +200,6 @@ target_compile_definitions(${COMPONENT_LIB} PRIVATE
CONFIG_ECC
CONFIG_IEEE80211W
CONFIG_SHA256
CONFIG_DPP
CONFIG_WNM
)
@ -219,4 +225,7 @@ endif()
if(CONFIG_WPA_MBO_SUPPORT)
target_compile_definitions(${COMPONENT_LIB} PRIVATE CONFIG_MBO)
endif()
if(CONFIG_WPA_DPP_SUPPORT)
target_compile_definitions(${COMPONENT_LIB} PRIVATE CONFIG_DPP)
endif()
set_property(TARGET ${COMPONENT_LIB} APPEND PROPERTY LINK_INTERFACE_MULTIPLICITY 3)

21
components/wpa_supplicant/Kconfig
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@ -52,8 +52,8 @@ menu "Supplicant"
rigorously. Disabling this add the workaorunds with various APs.
Enabling this may cause inter operability issues with some APs.
menuconfig WPA_11KV_SUPPORT
bool "Enable 802.11k, 802.11v APIs handling in supplicant"
config WPA_11KV_SUPPORT
bool "Enable 802.11k, 802.11v APIs handling"
default n
help
Select this option to enable 802.11k 802.11v APIs(RRM and BTM support).
@ -68,7 +68,7 @@ menu "Supplicant"
and on the radio environment. Current implementation adds beacon report,
link measurement, neighbor report.
menuconfig WPA_SCAN_CACHE
config WPA_SCAN_CACHE
bool "Keep scan results in cache"
depends on WPA_11KV_SUPPORT
default n
@ -76,10 +76,19 @@ menu "Supplicant"
Keep scan results in cache, if not enabled, those
will be flushed immediately.
menuconfig WPA_MBO_SUPPORT
bool "Enable MBO support in supplicant"
depends on WPA_11KV_SUPPORT
config WPA_MBO_SUPPORT
bool "Enable MBO support"
default n
select WPA_11KV_SUPPORT
select WPA_SCAN_CACHE
help
Select this option to enable WiFi Multiband operation certification support.
config WPA_DPP_SUPPORT
bool "Enable DPP support"
default n
select WPA_MBEDTLS_CRYPTO
help
Select this option to enable WiFi Easy Connect Support.
endmenu

18
components/wpa_supplicant/esp_supplicant/include/esp_dpp.h
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@ -1,16 +1,8 @@
// Copyright 2020 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/*
* SPDX-FileCopyrightText: 2020-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ESP_DPP_H
#define ESP_DPP_H

69
components/wpa_supplicant/esp_supplicant/src/esp_common.c
Wyświetl plik

@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2020-2021 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2020-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -23,7 +23,7 @@
struct wpa_supplicant g_wpa_supp;
static void *s_supplicant_task_hdl = NULL;
static TaskHandle_t s_supplicant_task_hdl = NULL;
static void *s_supplicant_evt_queue = NULL;
static void *s_supplicant_api_lock = NULL;
@ -214,10 +214,16 @@ static void supplicant_sta_disconn_handler(void* arg, esp_event_base_t event_bas
int32_t event_id, void* event_data)
{
struct wpa_supplicant *wpa_s = &g_wpa_supp;
wifi_event_sta_disconnected_t *disconn = event_data;
wpas_rrm_reset(wpa_s);
if (wpa_s->current_bss) {
wpa_s->current_bss = NULL;
}
if (disconn->reason != WIFI_REASON_ROAMING) {
clear_bssid_flag(wpa_s);
}
}
static int ieee80211_handle_rx_frm(u8 type, u8 *frame, size_t len, u8 *sender,
@ -262,18 +268,25 @@ int esp_supplicant_common_init(struct wpa_funcs *wpa_cb)
struct wpa_supplicant *wpa_s = &g_wpa_supp;
int ret;
s_supplicant_evt_queue = xQueueCreate(3, sizeof(supplicant_event_t));
ret = xTaskCreate(btm_rrm_task, "btm_rrm_t", SUPPLICANT_TASK_STACK_SIZE, NULL, 2, s_supplicant_task_hdl);
if (ret != pdPASS) {
wpa_printf(MSG_ERROR, "btm: failed to create task");
return ret;
}
s_supplicant_api_lock = xSemaphoreCreateRecursiveMutex();
if (!s_supplicant_api_lock) {
esp_supplicant_common_deinit();
wpa_printf(MSG_ERROR, "%s: failed to create Supplicant API lock", __func__);
return ret;
ret = -1;
goto err;
}
s_supplicant_evt_queue = xQueueCreate(3, sizeof(supplicant_event_t));
if (!s_supplicant_evt_queue) {
wpa_printf(MSG_ERROR, "%s: failed to create Supplicant event queue", __func__);
ret = -1;
goto err;
}
ret = xTaskCreate(btm_rrm_task, "btm_rrm_t", SUPPLICANT_TASK_STACK_SIZE, NULL, 2, &s_supplicant_task_hdl);
if (ret != pdPASS) {
wpa_printf(MSG_ERROR, "btm: failed to create task");
ret = -1;
goto err;
}
esp_scan_init(wpa_s);
@ -287,7 +300,6 @@ int esp_supplicant_common_init(struct wpa_funcs *wpa_cb)
wpa_s->type = 0;
wpa_s->subtype = 0;
wpa_s->type |= (1 << WLAN_FC_STYPE_BEACON) | (1 << WLAN_FC_STYPE_PROBE_RESP);
esp_wifi_register_mgmt_frame_internal(wpa_s->type, wpa_s->subtype);
wpa_cb->wpa_sta_rx_mgmt = ieee80211_handle_rx_frm;
/* Matching is done only for MBO at the moment, this can be extended for other features*/
@ -298,15 +310,15 @@ int esp_supplicant_common_init(struct wpa_funcs *wpa_cb)
wpa_cb->wpa_sta_profile_match = NULL;
#endif
return 0;
err:
esp_supplicant_common_deinit();
return ret;
}
void esp_supplicant_common_deinit(void)
{
struct wpa_supplicant *wpa_s = &g_wpa_supp;
if (esp_supplicant_post_evt(SIG_SUPPLICANT_DEL_TASK, 0) != 0) {
wpa_printf(MSG_ERROR, "failed to send task delete event");
}
esp_scan_deinit(wpa_s);
wpas_rrm_reset(wpa_s);
wpas_clear_beacon_rep_data(wpa_s);
@ -314,6 +326,21 @@ void esp_supplicant_common_deinit(void)
&supplicant_sta_conn_handler);
esp_event_handler_unregister(WIFI_EVENT, WIFI_EVENT_STA_DISCONNECTED,
&supplicant_sta_disconn_handler);
if (wpa_s->type) {
wpa_s->type = 0;
esp_wifi_register_mgmt_frame_internal(wpa_s->type, wpa_s->subtype);
}
if (!s_supplicant_task_hdl && esp_supplicant_post_evt(SIG_SUPPLICANT_DEL_TASK, 0) != 0) {
if (s_supplicant_evt_queue) {
vQueueDelete(s_supplicant_evt_queue);
s_supplicant_evt_queue = NULL;
}
if (s_supplicant_api_lock) {
vSemaphoreDelete(s_supplicant_api_lock);
s_supplicant_api_lock = NULL;
}
wpa_printf(MSG_ERROR, "failed to send task delete event");
}
}
int esp_rrm_send_neighbor_rep_request(neighbor_rep_request_cb cb,
@ -587,12 +614,20 @@ int esp_supplicant_post_evt(uint32_t evt_id, uint32_t data)
evt->id = evt_id;
evt->data = data;
SUPPLICANT_API_LOCK();
/* Make sure lock exists before taking it */
if (s_supplicant_api_lock) {
SUPPLICANT_API_LOCK();
} else {
os_free(evt);
return -1;
}
if (xQueueSend(s_supplicant_evt_queue, &evt, 10 / portTICK_PERIOD_MS ) != pdPASS) {
SUPPLICANT_API_UNLOCK();
os_free(evt);
return -1;
}
SUPPLICANT_API_UNLOCK();
if (evt_id != SIG_SUPPLICANT_DEL_TASK) {
SUPPLICANT_API_UNLOCK();
}
return 0;
}

46
components/wpa_supplicant/esp_supplicant/src/esp_dpp.c
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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2020-2021 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2020-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -12,7 +12,8 @@
#include "esp_wifi.h"
#include "common/ieee802_11_defs.h"
static void *s_dpp_task_hdl = NULL;
#ifdef CONFIG_DPP
static TaskHandle_t s_dpp_task_hdl = NULL;
static void *s_dpp_evt_queue = NULL;
static void *s_dpp_api_lock = NULL;
@ -34,22 +35,36 @@ struct action_rx_param {
static int esp_dpp_post_evt(uint32_t evt_id, uint32_t data)
{
DPP_API_LOCK();
dpp_event_t *evt = os_zalloc(sizeof(dpp_event_t));
int ret = ESP_OK;
if (evt == NULL) {
DPP_API_UNLOCK();
return ESP_ERR_NO_MEM;
ret = ESP_ERR_NO_MEM;
goto end;
}
evt->id = evt_id;
evt->data = data;
if ( xQueueSend(s_dpp_evt_queue, &evt, 10 / portTICK_PERIOD_MS ) != pdPASS) {
DPP_API_UNLOCK();
os_free(evt);
return ESP_ERR_DPP_FAILURE;
if (s_dpp_api_lock) {
DPP_API_LOCK();
} else {
ret = ESP_ERR_DPP_FAILURE;
goto end;
}
DPP_API_UNLOCK();
return ESP_OK;
if (xQueueSend(s_dpp_evt_queue, &evt, 10 / portTICK_PERIOD_MS ) != pdPASS) {
DPP_API_UNLOCK();
ret = ESP_ERR_DPP_FAILURE;
goto end;
}
if (evt_id != SIG_DPP_DEL_TASK) {
DPP_API_UNLOCK();
}
return ret;
end:
if (evt) {
os_free(evt);
}
return ret;
}
static void esp_dpp_call_cb(esp_supp_dpp_event_t evt, void *data)
@ -616,7 +631,7 @@ esp_err_t esp_supp_dpp_init(esp_supp_dpp_event_cb_t cb)
s_dpp_stop_listening = false;
s_dpp_evt_queue = xQueueCreate(3, sizeof(dpp_event_t));
ret = xTaskCreate(esp_dpp_task, "dppT", DPP_TASK_STACK_SIZE, NULL, 2, s_dpp_task_hdl);
ret = xTaskCreate(esp_dpp_task, "dppT", DPP_TASK_STACK_SIZE, NULL, 2, &s_dpp_task_hdl);
if (ret != pdPASS) {
wpa_printf(MSG_ERROR, "DPP: failed to create task");
return ESP_FAIL;
@ -652,7 +667,12 @@ void esp_supp_dpp_deinit(void)
params->key = NULL;
}
esp_event_handler_unregister(WIFI_EVENT, WIFI_EVENT_ACTION_TX_STATUS,
&offchan_event_handler);
esp_event_handler_unregister(WIFI_EVENT, WIFI_EVENT_ROC_DONE,
&offchan_event_handler);
s_dpp_auth_retries = 0;
dpp_global_deinit(s_dpp_ctx.dpp_global);
esp_dpp_post_evt(SIG_DPP_DEL_TASK, 0);
}
#endif

5
components/wpa_supplicant/esp_supplicant/src/esp_scan.c
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@ -19,6 +19,7 @@
#include "common/ieee802_11_common.h"
#include "esp_common_i.h"
#include "common/wnm_sta.h"
#include "esp_scan_i.h"
extern struct wpa_supplicant g_wpa_supp;
@ -28,11 +29,11 @@ static void scan_done_event_handler(void *arg, STATUS status)
/* update last scan time */
wpa_s->scan_start_tsf = esp_wifi_get_tsf_time(WIFI_IF_STA);
if (!wpa_s->scanning) {
if (wpa_s->scanning) {
wpa_s->type &= ~(1 << WLAN_FC_STYPE_BEACON) & ~(1 << WLAN_FC_STYPE_PROBE_RESP);
esp_wifi_register_mgmt_frame_internal(wpa_s->type, wpa_s->subtype);
}
esp_supplicant_post_evt(SIG_SUPPLICANT_SCAN_DONE, 0);
esp_supplicant_handle_scan_done_evt();
}
static void handle_wnm_scan_done(struct wpa_supplicant *wpa_s)

4
components/wpa_supplicant/esp_supplicant/src/esp_wpa2.c
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@ -64,7 +64,7 @@ static int wpa2_start_eapol_internal(void);
int wpa2_post(uint32_t sig, uint32_t par);
#ifdef USE_WPA2_TASK
static void *s_wpa2_task_hdl = NULL;
static TaskHandle_t s_wpa2_task_hdl = NULL;
static void *s_wpa2_queue = NULL;
static wpa2_state_t s_wpa2_state = WPA2_STATE_DISABLED;
static void *s_wpa2_api_lock = NULL;
@ -784,7 +784,7 @@ static int eap_peer_sm_init(void)
gEapSm = sm;
#ifdef USE_WPA2_TASK
s_wpa2_queue = xQueueCreate(SIG_WPA2_MAX, sizeof(s_wpa2_queue));
ret = xTaskCreate(wpa2_task, "wpa2T", WPA2_TASK_STACK_SIZE, NULL, 2, s_wpa2_task_hdl);
ret = xTaskCreate(wpa2_task, "wpa2T", WPA2_TASK_STACK_SIZE, NULL, 2, &s_wpa2_task_hdl);
if (ret != pdPASS) {
wpa_printf(MSG_ERROR, "wps enable: failed to create task");
ret = ESP_FAIL;

14
components/wpa_supplicant/src/common/dpp.c
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@ -847,7 +847,7 @@ static int dpp_derive_k1(const u8 *Mx, size_t Mx_len, u8 *k1,
/* HKDF-Expand(PRK, info, L) */
res = dpp_hkdf_expand(hash_len, prk, hash_len, info, k1, hash_len);
os_memset(prk, 0, hash_len);
forced_memzero(prk, hash_len);
if (res < 0)
return -1;
@ -876,7 +876,7 @@ static int dpp_derive_k2(const u8 *Nx, size_t Nx_len, u8 *k2,
/* HKDF-Expand(PRK, info, L) */
res = dpp_hkdf_expand(hash_len, prk, hash_len, info, k2, hash_len);
os_memset(prk, 0, hash_len);
forced_memzero(prk, hash_len);
if (res < 0)
return -1;
@ -935,7 +935,7 @@ static int dpp_derive_ke(struct dpp_authentication *auth, u8 *ke,
/* HKDF-Expand(PRK, info, L) */
res = dpp_hkdf_expand(hash_len, prk, hash_len, info_ke, ke, hash_len);
os_memset(prk, 0, hash_len);
forced_memzero(prk, hash_len);
if (res < 0)
return -1;
@ -3938,7 +3938,7 @@ static void dpp_build_legacy_cred_params(struct wpabuf *buf,
wpa_snprintf_hex(psk, sizeof(psk),
conf->psk, sizeof(conf->psk));
json_add_string(buf, "psk_hex", psk);
os_memset(psk, 0, sizeof(psk));
forced_memzero(psk, sizeof(psk));
}
}
@ -4110,6 +4110,8 @@ skip_groups:
goto fail;
signature = os_malloc(2 * curve->prime_len);
if (!signature)
goto fail;
if (dpp_bn2bin_pad(r, signature, curve->prime_len) < 0 ||
dpp_bn2bin_pad(s, signature + curve->prime_len,
curve->prime_len) < 0)
@ -5728,7 +5730,7 @@ static int dpp_derive_pmk(const u8 *Nx, size_t Nx_len, u8 *pmk,
/* HKDF-Expand(PRK, info, L) */
res = dpp_hkdf_expand(hash_len, prk, hash_len, info, pmk, hash_len);
os_memset(prk, 0, hash_len);
forced_memzero(prk, hash_len);
if (res < 0)
return -1;
@ -5933,7 +5935,7 @@ dpp_peer_intro(struct dpp_introduction *intro, const char *own_connector,
fail:
if (ret != DPP_STATUS_OK)
os_memset(intro, 0, sizeof(*intro));
os_memset(Nx, 0, sizeof(Nx));
forced_memzero(Nx, sizeof(Nx));
os_free(own_conn);
os_free(signed_connector);
os_free(info.payload);

8
components/wpa_supplicant/src/common/sae.c
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@ -147,7 +147,7 @@ static struct crypto_bignum * sae_get_rand(struct sae_data *sae)
break;
}
os_memset(val, 0, order_len);
forced_memzero(val, order_len);
return bn;
}
@ -830,11 +830,11 @@ static int sae_derive_keys(struct sae_data *sae, const u8 *k)
if (sha256_prf(keyseed, sizeof(keyseed), "SAE KCK and PMK",
val, sae->tmp->prime_len, keys, sizeof(keys)) < 0)
goto fail;
os_memset(keyseed, 0, sizeof(keyseed));
forced_memzero(keyseed, sizeof(keyseed));
os_memcpy(sae->tmp->kck, keys, SAE_KCK_LEN);
os_memcpy(sae->pmk, keys + SAE_KCK_LEN, SAE_PMK_LEN);
os_memcpy(sae->pmkid, val, SAE_PMKID_LEN);
os_memset(keys, 0, sizeof(keys));
forced_memzero(keys, sizeof(keys));
wpa_hexdump_key(MSG_DEBUG, "SAE: KCK", sae->tmp->kck, SAE_KCK_LEN);
wpa_hexdump_key(MSG_DEBUG, "SAE: PMK", sae->pmk, SAE_PMK_LEN);
@ -1181,8 +1181,6 @@ static int sae_parse_password_identifier(struct sae_data *sae,
sae->tmp->pw_id);
return WLAN_STATUS_UNKNOWN_PASSWORD_IDENTIFIER;
}
os_free(sae->tmp->pw_id);
sae->tmp->pw_id = NULL;
return WLAN_STATUS_SUCCESS; /* No Password Identifier */
}

4
components/wpa_supplicant/src/common/scan.c
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@ -36,6 +36,10 @@ void wpa_supplicant_req_scan(struct wpa_supplicant *wpa_s, int sec, int usec)
wpa_dbg(wpa_s, MSG_DEBUG, "Already scanning - Return");
return;
}
if (!wpa_s->current_bss) {
wpa_dbg(wpa_s, MSG_INFO, "Current BSS is null - Return");
return;
}
params = os_zalloc(sizeof(*params));
if (!params) {

7
components/wpa_supplicant/src/common/wnm_sta.c
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@ -308,12 +308,15 @@ bool wpa_scan_res_match(struct wpa_supplicant *wpa_s,
return false;
}
/* TODO security Match */
/* Just check for Open/secure mode */
if ((current_bss->caps & WLAN_CAPABILITY_PRIVACY) != (target_bss->caps & WLAN_CAPABILITY_PRIVACY)) {
wpa_printf(MSG_DEBUG, "WNM: Security didn't match");
return false;
}
return true;
}
static struct wpa_bss *
compare_scan_neighbor_results(struct wpa_supplicant *wpa_s, os_time_t age_secs,
enum mbo_transition_reject_reason *reason)

4
components/wpa_supplicant/src/crypto/des-internal.c
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@ -419,8 +419,8 @@ int des_encrypt(const u8 *clear, const u8 *key, u8 *cypher)
WPA_PUT_BE32(cypher, work[0]);
WPA_PUT_BE32(cypher + 4, work[1]);
os_memset(pkey, 0, sizeof(pkey));
os_memset(ek, 0, sizeof(ek));
forced_memzero(pkey, sizeof(pkey));
forced_memzero(ek, sizeof(ek));
return 0;
}

2
components/wpa_supplicant/src/crypto/libtommath.h
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@ -1657,7 +1657,7 @@ mp_div(mp_int * a, mp_int * b, mp_int * c, mp_int * d)
}
/* init our temps */
if ((res = mp_init_multi(&ta, &tb, &tq, &q, NULL) != MP_OKAY)) {
if ((res = mp_init_multi(&ta, &tb, &tq, &q, NULL)) != MP_OKAY) {
return res;
}

2
components/wpa_supplicant/src/tls/libtommath.h
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@ -1653,7 +1653,7 @@ mp_div(mp_int * a, mp_int * b, mp_int * c, mp_int * d)
}
/* init our temps */
if ((res = mp_init_multi(&ta, &tb, &tq, &q, NULL) != MP_OKAY)) {
if ((res = mp_init_multi(&ta, &tb, &tq, &q, NULL)) != MP_OKAY) {
return res;
}

3
components/wpa_supplicant/src/wps/wps.c
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@ -71,6 +71,9 @@ int wps_is_selected_pbc_registrar(const struct wpabuf *msg)
{
struct wps_parse_attr *attr = (struct wps_parse_attr *)os_zalloc(sizeof(struct wps_parse_attr));
if (!attr)
return 0;
/*
* In theory, this could also verify that attr.sel_reg_config_methods
* includes WPS_CONFIG_PUSHBUTTON, but some deployed AP implementations

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examples/wifi/wifi_easy_connect/dpp-enrollee/sdkconfig.defaults 100644
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CONFIG_WPA_DPP_SUPPORT=y