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Code Issues Releases Wiki Activity

Store strings only used for logging in flash (#2274)

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Co-authored-by: Otto winter <otto@otto-winter.com>
This commit is contained in:
Oxan van Leeuwen
2021-09-13 09:48:52 +02:00
committed by GitHub
parent e18dfdd656
commit d594a6fcbc
25 changed files with 241 additions and 251 deletions
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38
esphome/components/wifi/wifi_component_esp8266.cpp
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@@ -327,20 +327,20 @@ class WiFiMockClass : public ESP8266WiFiGenericClass {
static void _event_callback(void *event) { ESP8266WiFiGenericClass::_eventCallback(event); } // NOLINT
};
const char *get_auth_mode_str(uint8_t mode) {
const LogString *get_auth_mode_str(uint8_t mode) {
switch (mode) {
case AUTH_OPEN:
return "OPEN";
return LOG_STR("OPEN");
case AUTH_WEP:
return "WEP";
return LOG_STR("WEP");
case AUTH_WPA_PSK:
return "WPA PSK";
return LOG_STR("WPA PSK");
case AUTH_WPA2_PSK:
return "WPA2 PSK";
return LOG_STR("WPA2 PSK");
case AUTH_WPA_WPA2_PSK:
return "WPA/WPA2 PSK";
return LOG_STR("WPA/WPA2 PSK");
default:
return "UNKNOWN";
return LOG_STR("UNKNOWN");
}
}
#ifdef ipv4_addr
@@ -358,22 +358,22 @@ std::string format_ip_addr(struct ip_addr ip) {
return buf;
}
#endif
const char *get_op_mode_str(uint8_t mode) {
const LogString *get_op_mode_str(uint8_t mode) {
switch (mode) {
case WIFI_OFF:
return "OFF";
return LOG_STR("OFF");
case WIFI_STA:
return "STA";
return LOG_STR("STA");
case WIFI_AP:
return "AP";
return LOG_STR("AP");
case WIFI_AP_STA:
return "AP+STA";
return LOG_STR("AP+STA");
default:
return "UNKNOWN";
return LOG_STR("UNKNOWN");
}
}
// Note that this method returns PROGMEM strings, so use LOG_STR_ARG() to access them.
const char *get_disconnect_reason_str(uint8_t reason) {
const LogString *get_disconnect_reason_str(uint8_t reason) {
/* If this were one big switch statement, GCC would generate a lookup table for it. However, the values of the
* REASON_* constants aren't continuous, and GCC will fill in the gap with the default value -- wasting 4 bytes of RAM
* per entry. As there's ~175 default entries, this wastes 700 bytes of RAM.
@@ -470,8 +470,8 @@ void WiFiComponent::wifi_event_callback(System_Event_t *event) {
}
case EVENT_STAMODE_AUTHMODE_CHANGE: {
auto it = event->event_info.auth_change;
ESP_LOGV(TAG, "Event: Changed AuthMode old=%s new=%s", get_auth_mode_str(it.old_mode),
get_auth_mode_str(it.new_mode));
ESP_LOGV(TAG, "Event: Changed AuthMode old=%s new=%s", LOG_STR_ARG(get_auth_mode_str(it.old_mode)),
LOG_STR_ARG(get_auth_mode_str(it.new_mode)));
// Mitigate CVE-2020-12638
// https://lbsfilm.at/blog/wpa2-authenticationmode-downgrade-in-espressif-microprocessors
if (it.old_mode != AUTH_OPEN && it.new_mode == AUTH_OPEN) {
@@ -511,8 +511,8 @@ void WiFiComponent::wifi_event_callback(System_Event_t *event) {
#if ARDUINO_VERSION_CODE >= VERSION_CODE(2, 4, 0)
case EVENT_OPMODE_CHANGED: {
auto it = event->event_info.opmode_changed;
ESP_LOGV(TAG, "Event: Changed Mode old=%s new=%s", get_op_mode_str(it.old_opmode),
get_op_mode_str(it.new_opmode));
ESP_LOGV(TAG, "Event: Changed Mode old=%s new=%s", LOG_STR_ARG(get_op_mode_str(it.old_opmode)),
LOG_STR_ARG(get_op_mode_str(it.new_opmode)));
break;
}
case EVENT_SOFTAPMODE_DISTRIBUTE_STA_IP: {