[stable29] fix: handle getNetInterfaces error

lib/OperatingSystems/FreeBSD.php

@@ -138,7 +138,13 @@ public function getNetworkInfo(): array {
 	public function getNetworkInterfaces(): array {
 		$data = [];
 
-		foreach ($this->getNetInterfaces() as $interfaceName => $interface) {
+		try {
+			$interfaces = $this->getNetInterfaces();
+		} catch (RuntimeException) {
+			return $data;
+		}
+
+		foreach ($interfaces as $interfaceName => $interface) {
 			$netInterface = new NetInterface($interfaceName, $interface['up']);
 			$data[] = $netInterface;
 

lib/OperatingSystems/Linux.php

@@ -160,7 +160,13 @@ public function getNetworkInfo(): array {
 	public function getNetworkInterfaces(): array {
 		$data = [];
 
-		foreach ($this->getNetInterfaces() as $interfaceName => $interface) {
+		try {
+			$interfaces = $this->getNetInterfaces();
+		} catch (RuntimeException) {
+			return $data;
+		}
+
+		foreach ($interfaces as $interfaceName => $interface) {
 			$netInterface = new NetInterface($interfaceName, $interface['up']);
 			$data[] = $netInterface;
 

tests/lib/FreeBSDTest.php

@@ -151,6 +151,16 @@ public function testGetNetworkInterfaces(): void {
 		$this->assertEquals($expected, $actual);
 	}
 
+	public function testGetNetworkInterfacesError(): void {
+		$this->os->method('getNetInterfaces')
+			->willThrowException(new RuntimeException('Unable to get network interfaces'));
+
+		$expected = [];
+		$actual = $this->os->getNetworkInterfaces();
+
+		$this->assertEquals($expected, $actual);
+	}
+
 	public function testSupported(): void {
 		$this->assertFalse($this->os->supported());
 	}

tests/lib/LinuxTest.php

@@ -262,4 +262,14 @@ public function testGetNetworkInterfaces(): void {
 
 		$this->assertEquals($expected, $actual);
 	}
+
+	public function testGetNetworkInterfacesError(): void {
+		$this->os->method('getNetInterfaces')
+			->willThrowException(new RuntimeException('Unable to get network interfaces'));
+
+		$expected = [];
+		$actual = $this->os->getNetworkInterfaces();
+
+		$this->assertEquals($expected, $actual);
+	}
 }