WiFi

getCredentials()

Since 0.4.9:

Lists the Wi-Fi networks with credentials stored on the device. Returns the number of stored networks.

Note that this returns details about the Wi-Fi networks, but not the actual password.

// DEFINITION
typedef struct WiFiAccessPoint {
   size_t size;
   char ssid[33];
   uint8_t ssidLength;
   uint8_t bssid[6];
   WLanSecurityType security;
   WLanSecurityCipher cipher;
   uint8_t channel;
   int maxDataRate;
   int rssi; 
} WiFiAccessPoint;

// EXAMPLE
LogHandler logHandler;

WiFiAccessPoint ap[5];
int found = WiFi.getCredentials(ap, 5);
for (int i = 0; i < found; i++) {
    Log.info("ssid: %s", ap[i].ssid);
    // security is one of WLAN_SEC_UNSEC, WLAN_SEC_WEP, WLAN_SEC_WPA, WLAN_SEC_WPA2, WLAN_SEC_WPA_ENTERPRISE, WLAN_SEC_WPA2_ENTERPRISE
    Log.info("security: %d", (int) ap[i].security);
    // cipher is one of WLAN_CIPHER_AES, WLAN_CIPHER_TKIP or WLAN_CIPHER_AES_TKIP
    Log.info("cipher: %d", (int) ap[i].cipher);
}