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Code Issues Releases Wiki Activity

[wifi] fix 32 char SSIDs (#7834)

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Co-authored-by: Samuel Sieb <samuel@sieb.net>
This commit is contained in:
Samuel Sieb
2024-11-25 13:58:21 -10:00
committed by GitHub
parent 4fbf41472a
commit f4766ab74f
3 changed files with 60 additions and 12 deletions
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24
esphome/components/wifi/wifi_component_esp_idf.cpp
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@@ -289,8 +289,16 @@ 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
wifi_config_t conf;
memset(&conf, 0, sizeof(conf));
snprintf(reinterpret_cast<char *>(conf.sta.ssid), sizeof(conf.sta.ssid), "%s", ap.get_ssid().c_str());
snprintf(reinterpret_cast<char *>(conf.sta.password), sizeof(conf.sta.password), "%s", ap.get_password().c_str());
if (ap.get_ssid().size() > sizeof(conf.sta.ssid)) {
ESP_LOGE(TAG, "SSID is too long");
return false;
}
if (ap.get_password().size() > sizeof(conf.sta.password)) {
ESP_LOGE(TAG, "password is too long");
return false;
}
memcpy(reinterpret_cast<char *>(conf.sta.ssid), ap.get_ssid().c_str(), ap.get_ssid().size());
memcpy(reinterpret_cast<char *>(conf.sta.password), ap.get_password().c_str(), ap.get_password().size());
// The weakest authmode to accept in the fast scan mode
if (ap.get_password().empty()) {
@@ -902,7 +910,11 @@ bool WiFiComponent::wifi_start_ap_(const WiFiAP &ap) {
wifi_config_t conf;
memset(&conf, 0, sizeof(conf));
strncpy(reinterpret_cast<char *>(conf.ap.ssid), ap.get_ssid().c_str(), sizeof(conf.ap.ssid));
if (ap.get_ssid().size() > sizeof(conf.ap.ssid)) {
ESP_LOGE(TAG, "AP SSID is too long");
return false;
}
memcpy(reinterpret_cast<char *>(conf.ap.ssid), ap.get_ssid().c_str(), ap.get_ssid().size());
conf.ap.channel = ap.get_channel().value_or(1);
conf.ap.ssid_hidden = ap.get_ssid().size();
conf.ap.max_connection = 5;
@@ -913,7 +925,11 @@ bool WiFiComponent::wifi_start_ap_(const WiFiAP &ap) {
*conf.ap.password = 0;
} else {
conf.ap.authmode = WIFI_AUTH_WPA2_PSK;
strncpy(reinterpret_cast<char *>(conf.ap.password), ap.get_password().c_str(), sizeof(conf.ap.password));
if (ap.get_password().size() > sizeof(conf.ap.password)) {
ESP_LOGE(TAG, "AP password is too long");
return false;
}
memcpy(reinterpret_cast<char *>(conf.ap.password), ap.get_password().c_str(), ap.get_password().size());
}
// pairwise cipher of SoftAP, group cipher will be derived using this.