Add raw device detection

				}

				echo "</item>";

			}

			break;

		case "list_raw_devices":

			$devices = get_raw_dev();

			foreach ($devices as $device) {

				echo "<raw_device>" . $device . "</raw_device>";

			}

			break;

		case "mkdir":

			$dir_name = $_GET['name'];

	echo "</camogm_interface>\n";

}

/** Get a list of disk devices which have file system and can be mounted. This function

 *  uses 'blkid' command from busybox.

*/ 

function get_mnt_dev()

{

	exec("blkid", $ids);

	$i = 0;

	foreach ($ids as $id) {

		$devices[$i] = preg_replace('/: +.*/', "", $id);

		if (preg_match('/(?<=TYPE=")[a-z0-9]+(?=")/', $id, $fs) == 1)

			$fs_types[$i] = $fs[0];

		else

			$fs_types[$i] = "none";

		$i++;

	}

	return array("devices" => $devices, "types" => $fs_types);

}

/** Get a list of devices whithout file system which can be used for raw disk storage from camogm. */

function get_raw_dev()

{

	$j = 0;

	$regexp = '/sd[a-z0-9]+$/';

	$names = array();

	$ret = get_mnt_dev();

	$devices = $ret["devices"]; 

	$types = $ret["types"];

	exec("cat /proc/partitions", $partitions);

	// get a list of all suitable partitions	

	// the first two elements of an array are table header and empty line delimiter, skip them

	for ($i = 2; $i < count($partitions); $i++) {

		// select SATA devices only

		if (preg_match($regexp, $partitions[$i], $name) == 1) {

			$names[$j] = $name[0];

			$j++;

		}

	}

	// filter out partitions with file system 

	$i = 0;

	$raw_devices = array();

	foreach ($names as $name) {

		$found = false;

		foreach ($devices as $device) {

			if (strpos($device, $name) !== false)

				$found = true;

		}

		if ($found === false) {

			// current partition is not found in the blkid list, add it to raw devices

			$raw_devices[$i] = "/dev/" . $name;

			$i++;

		}

	}

	return $raw_devices;

}

?>