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Fix strlcpy() uses to make long SSIDs and passwords work (#3199)

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Co-authored-by: Maurice Makaay <mmakaay1@xs4all.net>
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Maurice Makaay 2022-02-15 20:54:21 +01:00 committed by GitHub
parent 113232ebb6
commit ce073a704b
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1 changed files with 4 additions and 4 deletions
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8
esphome/components/wifi/wifi_component_esp32_arduino.cpp
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@ -161,8 +161,8 @@ bool WiFiComponent::wifi_sta_connect_(const WiFiAP &ap) {
// https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/network/esp_wifi.html#_CPPv417wifi_sta_config_t // https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/network/esp_wifi.html#_CPPv417wifi_sta_config_t
wifi_config_t conf; wifi_config_t conf;
memset(&conf, 0, sizeof(conf)); memset(&conf, 0, sizeof(conf));
strlcpy(reinterpret_cast<char *>(conf.sta.ssid), ap.get_ssid().c_str(), sizeof(conf.sta.ssid)); strncpy(reinterpret_cast<char *>(conf.sta.ssid), ap.get_ssid().c_str(), sizeof(conf.sta.ssid));
strlcpy(reinterpret_cast<char *>(conf.sta.password), ap.get_password().c_str(), sizeof(conf.sta.password)); strncpy(reinterpret_cast<char *>(conf.sta.password), ap.get_password().c_str(), sizeof(conf.sta.password));
// The weakest authmode to accept in the fast scan mode // The weakest authmode to accept in the fast scan mode
if (ap.get_password().empty()) { if (ap.get_password().empty()) {
@ -709,7 +709,7 @@ bool WiFiComponent::wifi_start_ap_(const WiFiAP &ap) {
wifi_config_t conf; wifi_config_t conf;
memset(&conf, 0, sizeof(conf)); memset(&conf, 0, sizeof(conf));
strlcpy(reinterpret_cast<char *>(conf.ap.ssid), ap.get_ssid().c_str(), sizeof(conf.ap.ssid)); strncpy(reinterpret_cast<char *>(conf.ap.ssid), ap.get_ssid().c_str(), sizeof(conf.ap.ssid));
conf.ap.channel = ap.get_channel().value_or(1); conf.ap.channel = ap.get_channel().value_or(1);
conf.ap.ssid_hidden = ap.get_ssid().size(); conf.ap.ssid_hidden = ap.get_ssid().size();
conf.ap.max_connection = 5; conf.ap.max_connection = 5;
@ -720,7 +720,7 @@ bool WiFiComponent::wifi_start_ap_(const WiFiAP &ap) {
*conf.ap.password = 0; *conf.ap.password = 0;
} else { } else {
conf.ap.authmode = WIFI_AUTH_WPA2_PSK; conf.ap.authmode = WIFI_AUTH_WPA2_PSK;
strlcpy(reinterpret_cast<char *>(conf.ap.password), ap.get_password().c_str(), sizeof(conf.ap.ssid)); strncpy(reinterpret_cast<char *>(conf.ap.password), ap.get_password().c_str(), sizeof(conf.ap.ssid));
} }
#if ESP_IDF_VERSION_MAJOR >= 4 #if ESP_IDF_VERSION_MAJOR >= 4