add IPv6.inc and NetUtils.js

1 files changed, 114 insertions, 0 deletions

diff --git a/usr/local/www/javascript/NetUtils.js b/usr/local/www/javascript/NetUtils.js
new file mode 100644
index 0000000..004a71a
--- /dev/null
+++ b/usr/local/www/javascript/NetUtils.js
@@ -0,0 +1,114 @@
+/*
+	NetUtils.js
+	part of pfSense (http://www.pfsense.com)
+	Various helper functions for IPv6 support.
+
+	Copyright (C) 2007 Simon Cornelius P. Umacob <simoncpu@gmail.com>
+	All rights reserved.
+
+	Redistribution and use in source and binary forms, with or without
+	modification, are permitted provided that the following conditions are met:
+
+	1. Redistributions of source code must retain the above copyright notice,
+	   this list of conditions and the following disclaimer.
+
+	2. Redistributions in binary form must reproduce the above copyright
+	   notice, this list of conditions and the following disclaimer in the
+	   documentation and/or other materials provided with the distribution.
+
+	THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+	INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+	AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+	AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+	OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+	INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+	CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+	POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+function NetUtils_changeIPVersionMask(field, version) {
+	switch(version){
+		case 'IPv4':
+			NetUtils_clearOptions(document.getElementById(field));
+			NetUtils_loadMaskIPv4(document.getElementById(field), 32);
+
+			break;
+		case 'IPv6':
+			NetUtils_clearOptions(document.getElementById(field));
+			NetUtils_loadMaskIPv6(document.getElementById(field), 64);
+
+			break;
+		case 'IPv4_net':
+			NetUtils_clearOptions(document.getElementById(field));
+			NetUtils_loadMaskIPv4(document.getElementById(field), 32, 1, 31);
+
+			break;
+		case 'IPv6_net':
+			NetUtils_clearOptions(document.getElementById(field));
+			NetUtils_loadMaskIPv6(document.getElementById(field), 64, 1, 63);
+
+			break;
+	}
+}
+
+function NetUtils_clearOptions(obj) {
+	var	len = obj.length;
+
+	for (var i = 0; i < len; i++) {
+		obj[0] = null;
+	}
+}
+
+function NetUtils_loadMaskIPv4(obj, sel, min, max) {
+	var	min,
+		max,
+		j = 0;
+
+	min = min == undefined ? 1 : min;
+	max = max == undefined ? 32 : max;
+
+	for (var i = max; i >= min; i--) {
+		obj[j] = new Option(i, i);
+		if (sel == i) {
+			obj[j].selected = true;
+		}
+		j++;
+	}
+}
+
+function NetUtils_loadMaskIPv6(obj, sel, min, max) {
+	var	min,
+		max,
+		j = 0;
+
+	min = min == undefined ? 1 : min;
+	max = max == undefined ? 64 : max;
+
+	if ((max % 4) != 0) {
+		obj[j++] = new Option(max, max);
+
+		/**
+		 * NOTE: This solution is a kludge.
+		 * If you have a better way, don't hesitate
+		 * to change this.  Please send patches. :)
+		 */
+		for (var i = 1; i <= 3; i++) {
+			if (((max - i) % 4) == 0) {
+				max = max - i;
+				break;
+			}
+		} 
+	}
+
+	for (var i = max; i >= min; i -= 4) {
+		obj[j] = new Option(i, i);
+		if (sel == i) {
+			obj[j].selected = true;
+		}
+		j++;
+	}
+}
+