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Revert "Add ESP32 support for WPA2-EAP Enterprise WiFi authentication (#1080)" (#1117)

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This reverts commit c693c219f4.
This commit is contained in:
Guillermo Ruffino 2020-07-10 17:36:29 -03:00 committed by GitHub
parent 0e5e559283
commit ec026ab3a8
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8 changed files with 1 additions and 178 deletions
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88
esphome/components/wifi/__init__.py
View file

@ -1,6 +1,3 @@
import logging
from cryptography.hazmat.primitives.asymmetric import rsa, ec, ed448, ed25519
import esphome.codegen as cg
import esphome.config_validation as cv
from esphome import automation
@ -8,15 +5,12 @@ from esphome.automation import Condition
from esphome.const import CONF_AP, CONF_BSSID, CONF_CHANNEL, CONF_DNS1, CONF_DNS2, CONF_DOMAIN, \
CONF_FAST_CONNECT, CONF_GATEWAY, CONF_HIDDEN, CONF_ID, CONF_MANUAL_IP, CONF_NETWORKS, \
CONF_PASSWORD, CONF_POWER_SAVE_MODE, CONF_REBOOT_TIMEOUT, CONF_SSID, CONF_STATIC_IP, \
CONF_SUBNET, CONF_USE_ADDRESS, CONF_PRIORITY, CONF_IDENTITY, CONF_CERTIFICATE_AUTHORITY, \
CONF_CERTIFICATE, CONF_KEY, CONF_USERNAME, CONF_EAP
CONF_SUBNET, CONF_USE_ADDRESS, CONF_PRIORITY
from esphome.core import CORE, HexInt, coroutine_with_priority
_LOGGER = logging.getLogger(__name__)
AUTO_LOAD = ['network']
wifi_ns = cg.esphome_ns.namespace('wifi')
EAPAuth = wifi_ns.struct('EAPAuth')
IPAddress = cg.global_ns.class_('IPAddress')
ManualIP = wifi_ns.struct('ManualIP')
WiFiComponent = wifi_ns.class_('WiFiComponent', cg.Component)
@ -42,55 +36,6 @@ def validate_password(value):
return value
def validate_eap(value):
if CONF_USERNAME in value:
if CONF_IDENTITY not in value:
_LOGGER.info("EAP 'identity:' is not set, assuming username.")
value[CONF_IDENTITY] = value[CONF_USERNAME]
if CONF_PASSWORD not in value:
raise cv.Invalid("You cannot use the EAP 'username:' option without a 'password:'. "
"Please provide the 'password:' key")
if CONF_CERTIFICATE in value or CONF_KEY in value:
if CONF_CERTIFICATE not in value and CONF_KEY not in value:
raise cv.Invalid("You have provided an EAP 'certificate:' or 'key:' without providing "
"the other. Please check you have provided both.")
# Check the key is valid and for this certificate, just to check the user hasn't pasted
# the wrong thing. I write this after I spent a while debugging that exact issue.
# This may require a password to decrypt to key, so we should verify that at the same time.
certPw = None
if CONF_PASSWORD in value:
certPw = value[CONF_PASSWORD]
cert = cv.load_certificate(value[CONF_CERTIFICATE])
try:
key = cv.load_key(value[CONF_KEY], certPw)
except ValueError as e:
raise cv.Invalid(
"There was an error with the EAP 'password:' provided for 'key:' :%s" % e
)
except TypeError as e:
raise cv.Invalid("There was an error with the EAP 'key:' provided :%s" % e)
if isinstance(key, rsa.RSAPrivateKey):
if key.public_key().public_numbers() != cert.public_key().public_numbers():
raise cv.Invalid("The provided EAP 'key:' does not match the 'certificate:'")
elif isinstance(key, ec.EllipticCurvePrivateKey):
if key.public_key().public_numbers() != cert.public_key().public_numbers():
raise cv.Invalid("The provided EAP 'key:' does not match the 'certificate:'")
elif isinstance(key, ed448.Ed448PrivateKey):
if key.public_key() != cert:
raise cv.Invalid("The provided EAP 'key:' does not match the 'certificate:'")
elif isinstance(key, ed25519.Ed25519PrivateKey):
if key.public_key() != cert:
raise cv.Invalid("The provided EAP 'key:' does not match the 'certificate:'")
else:
_LOGGER.warning(
"Unrecognised EAP 'certificate:' 'key:' pair format: %s. Proceed with caution!",
type(key)
)
return value
def validate_channel(value):
value = cv.positive_int(value)
if value < 1:
@ -111,15 +56,6 @@ STA_MANUAL_IP_SCHEMA = AP_MANUAL_IP_SCHEMA.extend({
cv.Optional(CONF_DNS2, default="0.0.0.0"): cv.ipv4,
})
EAP_AUTH_SCHEMA = cv.Schema({
cv.Optional(CONF_IDENTITY): cv.string_strict,
cv.Optional(CONF_USERNAME): cv.string_strict,
cv.Optional(CONF_PASSWORD): cv.string_strict,
cv.Optional(CONF_CERTIFICATE_AUTHORITY): cv.certificate,
cv.Optional(CONF_CERTIFICATE): cv.certificate,
cv.Optional(CONF_KEY): cv.string_strict,
})
WIFI_NETWORK_BASE = cv.Schema({
cv.GenerateID(): cv.declare_id(WiFiAP),
cv.Optional(CONF_SSID): cv.ssid,
@ -137,7 +73,6 @@ WIFI_NETWORK_STA = WIFI_NETWORK_BASE.extend({
cv.Optional(CONF_BSSID): cv.mac_address,
cv.Optional(CONF_HIDDEN): cv.boolean,
cv.Optional(CONF_PRIORITY, default=0.0): cv.float_,
cv.Optional(CONF_EAP): EAP_AUTH_SCHEMA,
})
@ -158,10 +93,6 @@ def validate(config):
raise cv.Invalid("Please specify at least an SSID or an Access Point "
"to create.")
for network in config[CONF_NETWORKS]:
if CONF_EAP in network:
network[CONF_EAP] = validate_eap(network[CONF_EAP])
if config.get(CONF_FAST_CONNECT, False):
networks = config.get(CONF_NETWORKS, [])
if not networks:
@ -187,7 +118,6 @@ CONFIG_SCHEMA = cv.All(cv.Schema({
cv.Optional(CONF_SSID): cv.ssid,
cv.Optional(CONF_PASSWORD): validate_password,
cv.Optional(CONF_MANUAL_IP): STA_MANUAL_IP_SCHEMA,
cv.Optional(CONF_EAP): EAP_AUTH_SCHEMA,
cv.Optional(CONF_AP): WIFI_NETWORK_AP,
cv.Optional(CONF_DOMAIN, default='.local'): cv.domain_name,
@ -203,20 +133,6 @@ CONFIG_SCHEMA = cv.All(cv.Schema({
}), validate)
def eap_auth(config):
if config is None:
return None
return cg.StructInitializer(
EAPAuth,
('identity', config.get(CONF_IDENTITY, "")),
('username', config.get(CONF_USERNAME, "")),
('password', config.get(CONF_PASSWORD, "")),
('ca_cert', config.get(CONF_CERTIFICATE_AUTHORITY, "")),
('client_cert', config.get(CONF_CERTIFICATE, "")),
('client_key', config.get(CONF_KEY, "")),
)
def safe_ip(ip):
if ip is None:
return IPAddress(0, 0, 0, 0)
@ -242,8 +158,6 @@ def wifi_network(config, static_ip):
cg.add(ap.set_ssid(config[CONF_SSID]))
if CONF_PASSWORD in config:
cg.add(ap.set_password(config[CONF_PASSWORD]))
if CONF_EAP in config:
cg.add(ap.set_eap(eap_auth(config[CONF_EAP])))
if CONF_BSSID in config:
cg.add(ap.set_bssid([HexInt(i) for i in config[CONF_BSSID].parts]))
if CONF_HIDDEN in config:

2
esphome/components/wifi/wifi_component.cpp
View file

@ -541,14 +541,12 @@ void WiFiAP::set_ssid(const std::string &ssid) { this->ssid_ = ssid; }
void WiFiAP::set_bssid(bssid_t bssid) { this->bssid_ = bssid; }
void WiFiAP::set_bssid(optional<bssid_t> bssid) { this->bssid_ = bssid; }
void WiFiAP::set_password(const std::string &password) { this->password_ = password; }
void WiFiAP::set_eap(optional<EAPAuth> eap_auth) { this->eap_ = eap_auth; }
void WiFiAP::set_channel(optional<uint8_t> channel) { this->channel_ = channel; }
void WiFiAP::set_manual_ip(optional<ManualIP> manual_ip) { this->manual_ip_ = manual_ip; }
void WiFiAP::set_hidden(bool hidden) { this->hidden_ = hidden; }
const std::string &WiFiAP::get_ssid() const { return this->ssid_; }
const optional<bssid_t> &WiFiAP::get_bssid() const { return this->bssid_; }
const std::string &WiFiAP::get_password() const { return this->password_; }
const optional<EAPAuth> &WiFiAP::get_eap() const { return this->eap_; }
const optional<uint8_t> &WiFiAP::get_channel() const { return this->channel_; }
const optional<ManualIP> &WiFiAP::get_manual_ip() const { return this->manual_ip_; }
bool WiFiAP::get_hidden() const { return this->hidden_; }

13
esphome/components/wifi/wifi_component.h
View file

@ -57,16 +57,6 @@ struct ManualIP {
IPAddress dns2; ///< The second DNS server. 0.0.0.0 for default.
};
struct EAPAuth {
std::string identity; // required for all auth types
std::string username;
std::string password;
char *ca_cert; // optionally verify authentication server
// used for EAP-TLS
char *client_cert;
char *client_key;
};
using bssid_t = std::array<uint8_t, 6>;
class WiFiAP {
@ -75,7 +65,6 @@ class WiFiAP {
void set_bssid(bssid_t bssid);
void set_bssid(optional<bssid_t> bssid);
void set_password(const std::string &password);
void set_eap(optional<EAPAuth> eap_auth);
void set_channel(optional<uint8_t> channel);
void set_priority(float priority) { priority_ = priority; }
void set_manual_ip(optional<ManualIP> manual_ip);
@ -83,7 +72,6 @@ class WiFiAP {
const std::string &get_ssid() const;
const optional<bssid_t> &get_bssid() const;
const std::string &get_password() const;
const optional<EAPAuth> &get_eap() const;
const optional<uint8_t> &get_channel() const;
float get_priority() const { return priority_; }
const optional<ManualIP> &get_manual_ip() const;
@ -93,7 +81,6 @@ class WiFiAP {
std::string ssid_;
optional<bssid_t> bssid_;
std::string password_;
optional<EAPAuth> eap_;
optional<uint8_t> channel_;
float priority_{0};
optional<ManualIP> manual_ip_;

46
esphome/components/wifi/wifi_component_esp32.cpp
View file

@ -6,7 +6,6 @@
#include <utility>
#include <algorithm>
#include <esp_wpa2.h>
#include "lwip/err.h"
#include "lwip/dns.h"
@ -188,51 +187,6 @@ bool WiFiComponent::wifi_sta_connect_(WiFiAP ap) {
return false;
}
// setup enterprise authentication if required
if (ap.get_eap().has_value()) {
// note: all certificates and keys have to be null terminated. Lengths are appended by +1 to include \0.
EAPAuth eap = ap.get_eap().value();
err = esp_wifi_sta_wpa2_ent_set_identity((uint8_t *) eap.identity.c_str(), eap.identity.length());
if (err != ESP_OK) {
ESP_LOGV(TAG, "esp_wifi_sta_wpa2_ent_set_identity failed! %d", err);
}
int ca_cert_len = strlen(eap.ca_cert);
int client_cert_len = strlen(eap.client_cert);
int client_key_len = strlen(eap.client_key);
if (ca_cert_len) {
err = esp_wifi_sta_wpa2_ent_set_ca_cert((uint8_t *) eap.ca_cert, ca_cert_len + 1);
if (err != ESP_OK) {
ESP_LOGV(TAG, "esp_wifi_sta_wpa2_ent_set_ca_cert failed! %d", err);
}
}
// workout what type of EAP this is
// validation is not required as the config tool has already validated it
if (client_cert_len && client_key_len) {
// if we have certs, this must be EAP-TLS
err = esp_wifi_sta_wpa2_ent_set_cert_key((uint8_t *) eap.client_cert, client_cert_len + 1,
(uint8_t *) eap.client_key, client_key_len + 1,
(uint8_t *) eap.password.c_str(), strlen(eap.password.c_str()));
if (err != ESP_OK) {
ESP_LOGV(TAG, "esp_wifi_sta_wpa2_ent_set_cert_key failed! %d", err);
}
} else {
// in the absence of certs, assume this is username/password based
err = esp_wifi_sta_wpa2_ent_set_username((uint8_t *) eap.username.c_str(), eap.username.length());
if (err != ESP_OK) {
ESP_LOGV(TAG, "esp_wifi_sta_wpa2_ent_set_username failed! %d", err);
}
err = esp_wifi_sta_wpa2_ent_set_password((uint8_t *) eap.password.c_str(), eap.password.length());
if (err != ESP_OK) {
ESP_LOGV(TAG, "esp_wifi_sta_wpa2_ent_set_password failed! %d", err);
}
}
esp_wpa2_config_t wpa2Config = WPA2_CONFIG_INIT_DEFAULT();
err = esp_wifi_sta_wpa2_ent_enable(&wpa2Config);
if (err != ESP_OK) {
ESP_LOGV(TAG, "esp_wifi_sta_wpa2_ent_enable failed! %d", err);
}
}
this->wifi_apply_hostname_();
err = esp_wifi_connect();

23
esphome/config_validation.py
View file

@ -10,10 +10,6 @@ from string import ascii_letters, digits
import voluptuous as vol
from cryptography import x509
from cryptography.hazmat.backends import default_backend
from cryptography.hazmat.primitives.serialization import load_pem_private_key
from esphome import core
from esphome.const import CONF_AVAILABILITY, CONF_COMMAND_TOPIC, CONF_DISCOVERY, CONF_ID, \
CONF_INTERNAL, CONF_NAME, CONF_PAYLOAD_AVAILABLE, CONF_PAYLOAD_NOT_AVAILABLE, \
@ -721,25 +717,6 @@ def domain_name(value):
return value
def load_certificate(value):
return x509.load_pem_x509_certificate(value.encode('UTF-8'), default_backend())
def load_key(value, password):
if password:
password = password.encode("UTF-8")
return load_pem_private_key(value.encode('UTF-8'), password, default_backend())
def certificate(value):
value = string_strict(value)
try:
load_certificate(value) # raises ValueError
return value
except ValueError:
return Invalid("Invalid certificate")
def ssid(value):
value = string_strict(value)
if not value:

5
esphome/const.py
View file

@ -76,8 +76,6 @@ CONF_CALIBRATION = 'calibration'
CONF_CAPACITANCE = 'capacitance'
CONF_CARRIER_DUTY_PERCENT = 'carrier_duty_percent'
CONF_CARRIER_FREQUENCY = 'carrier_frequency'
CONF_CERTIFICATE = "certificate"
CONF_CERTIFICATE_AUTHORITY = "certificate_authority"
CONF_CHANGE_MODE_EVERY = 'change_mode_every'
CONF_CHANNEL = 'channel'
CONF_CHANNELS = 'channels'
@ -148,7 +146,6 @@ CONF_DRY_ACTION = 'dry_action'
CONF_DRY_MODE = 'dry_mode'
CONF_DUMP = 'dump'
CONF_DURATION = 'duration'
CONF_EAP = 'eap'
CONF_ECHO_PIN = 'echo_pin'
CONF_EFFECT = 'effect'
CONF_EFFECTS = 'effects'
@ -214,7 +211,6 @@ CONF_I2C = 'i2c'
CONF_I2C_ID = 'i2c_id'
CONF_ICON = 'icon'
CONF_ID = 'id'
CONF_IDENTITY = 'identity'
CONF_IDLE = 'idle'
CONF_IDLE_ACTION = 'idle_action'
CONF_IDLE_LEVEL = 'idle_level'
@ -242,7 +238,6 @@ CONF_JS_URL = 'js_url'
CONF_JVC = 'jvc'
CONF_KEEP_ON_TIME = 'keep_on_time'
CONF_KEEPALIVE = 'keepalive'
CONF_KEY = 'key'
CONF_LAMBDA = 'lambda'
CONF_LEVEL = 'level'
CONF_LG = 'lg'

1
requirements.txt
View file

@ -10,5 +10,4 @@ pyserial==3.4
ifaddr==0.1.6
platformio==4.3.3
esptool==2.8
cryptography==2.9.2
click==7.1.2

1
requirements_test.txt
View file

@ -10,7 +10,6 @@ pyserial==3.4
ifaddr==0.1.6
platformio==4.3.3
esptool==2.8
cryptography==2.9.2
pylint==2.5.0
flake8==3.7.9