added license.txt, distributed upload/dl support

lib/upload.php

@@ -0,0 +1,74 @@
+<?php
+/*
+    Copyright 2009 Pieter Iserbyt
+
+    This file is part of Pamela.
+
+    Pamela is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    Pamela is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with Pamela.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+header("Content-type: text/plain");  
+require_once("../config.php");
+require_once("util.php");
+
+function echoln($str) {
+	echo("$str\n");
+}
+
+class Upload {
+
+	private $subnet;
+	private $macs;
+
+	function __construct() {
+		$this->subnet = intvaldef(getQuery("sn"), NULL);
+		$this->macs = getQuery("macs");
+	}
+
+	private function parseAndValidate() {
+		if ($this->subnet == NULL) {
+			echoln("Missing or bad sn param");
+			return false;
+		}
+		if ($this->macs == NULL) {
+			echoln("Missing macs param");
+			return false;
+		}
+		if (($this->subnet < 0) || ($this->subnet > 4294967295)) {
+			echoln("subnet ($this->subnet) is not valid");
+			return false;
+		}
+		$mcs = explode('|', $this->macs);
+		foreach($mcs as $mac) {
+			if (preg_match("/^(([\dABCDEF]){2}:){5}([\dABCDEF]){2}$/i", $mac) == 1)
+				continue;
+			echoln("mac $mac is not in the right format");
+			return false;
+		}
+		return true;
+	}
+
+	private function writeMacs() {
+		file_put_contents(OUTPUT_SERVER_DIRECTORY."/$this->subnet.macs", $this->macs);
+	}
+	
+	public function run() {
+		$this->parseAndValidate();
+		$this->writeMacs();
+	}
+
+}
+
+$upload = new Upload();
+$upload->run();