From 360b8c1b85585dcea2743705fecb3d290eaf8a98 Mon Sep 17 00:00:00 2001
From: PatBoud <patboud@MacBook-Pro-de-PatBoud.local>
Date: Sat, 23 Jan 2021 17:29:13 -0500
Subject: [PATCH] New feature: List of allowed MAC Addresses

---
 .DS_Store               | Bin 0 -> 6148 bytes
 src/ESP32-mqtt-room.ino |  19 +++++++++++++++++++
 src/Settings.h          |   7 +++++++
 3 files changed, 26 insertions(+)
 create mode 100644 .DS_Store

diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000000000000000000000000000000000000..44e504fab9ff76b401c41ebd4ec400ff2552c376
GIT binary patch
literal 6148
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zXLdJYu?J5gb_RC8nVp&4%m>*Y#u)F+1`Wn4j4=xuB1dI`;P67%iU~&KI7c+`$I=Ju
z&7T<GUkCj55{uZB-T2AZ?;i(IT(7_Ll~Q?iZQZhM%igrF-H}Y(*o$XT$D3ZFb?U_<
z-{@yjjz4wJKM#gUud;n4!`KVL;Z!9DgCT@mT?FAkCLK8o2a%e`)ef~#uTo9Zy;id(
z8qIcA6KT6$uZe^GR+ib;&TixIq<{DDm_B9CFPdKt^efpiSimbNro4N18jfXn3nN8z
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zq|FMR|HtslEPUk8r;tSq5Ci{=0bcI9-3}CG&em_`;aMx7^`W6)T#gC|=yR6<FmNBK
fDyQ}f)FI9>m}|sYa9pJW(nUZKLLD*i3k-Y!6v<EA

literal 0
HcmV?d00001

diff --git a/src/ESP32-mqtt-room.ino b/src/ESP32-mqtt-room.ino
index 93506ea..3d25cf7 100644
--- a/src/ESP32-mqtt-room.ino
+++ b/src/ESP32-mqtt-room.ino
@@ -318,6 +318,25 @@ bool reportDevice(BLEAdvertisedDevice advertisedDevice) {
 	String mac_address = advertisedDevice.getAddress().toString().c_str();
 	mac_address.replace(":","");
 	mac_address.toLowerCase();
+
+
+	//Check scanned MAC Address against a list of allowed MAC Addresses
+
+	if (allowedListCheck) {
+		bool allowedListFound = false;
+		for (uint32_t x = 0; x < allowedListNumberOfItems; x++) {
+			if (mac_address == allowedList[x]) {
+				allowedListFound = true;
+			}
+		}
+
+		if (allowedListFound == false) {
+			return false;
+		}
+	}
+	// --------------
+
+
 	// Serial.print("mac:\t");
 	// Serial.println(mac_address);
 	int rssi = advertisedDevice.getRSSI();
diff --git a/src/Settings.h b/src/Settings.h
index 0d28014..5cbc637 100644
--- a/src/Settings.h
+++ b/src/Settings.h
@@ -49,3 +49,10 @@
 
 // MQTT topic for sensor values from HTU21D temperature and humidity sensor
 //#define htuSensorTopic "presence_nodes/" hostname "/sensor"
+
+
+//List of allowed MAC Addresses for MQTT Publish. All others will be ignored.
+//Feature is disabled by default.
+#define allowedListCheck false
+String allowedList[] = {"11223344aabb", "11223344aabb"};
+uint32_t allowedListNumberOfItems = 2;