From 9d15a4e70c10a43911c7f9d48240a01c23eb81b6 Mon Sep 17 00:00:00 2001
From: Jo-Philipp Wich <jo@mein.io>
Date: Sat, 3 Jul 2021 20:40:29 +0200
Subject: [PATCH] luci-mod-network: fixes to DHCP lease validation

 - validate current form value IP instead of stored uci one
 - ensure to not pass non-string values to the validator
 - remove leftover debug code
 - simplify obtaining formvalues

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
---
 .../luci-static/resources/view/network/dhcp.js     | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js b/modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js
index a9a5ec85ee..d8083a1e0e 100644
--- a/modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js
+++ b/modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js
@@ -67,12 +67,12 @@ CBILease6Status = form.DummyValue.extend({
 });
 
 function calculateNetwork(addr, mask) {
-	addr = validation.parseIPv4(addr);
+	addr = validation.parseIPv4(String(addr));
 
 	if (!isNaN(mask))
 		mask = validation.parseIPv4(network.prefixToMask(+mask));
 	else
-		mask = validation.parseIPv4(mask);
+		mask = validation.parseIPv4(String(mask));
 
 	if (addr == null || mask == null)
 		return null;
@@ -199,7 +199,7 @@ function validateMACAddr(pools, sid, s) {
 	    this_macs = L.toArray(s).map(function(m) { return m.toUpperCase() });
 
 	for (var i = 0; i < pools.length; i++) {
-		var this_net_mask = calculateNetwork(uci.get('dhcp', sid, 'ip'), pools[i].netmask);
+		var this_net_mask = calculateNetwork(this.section.formvalue(sid, 'ip'), pools[i].netmask);
 
 		if (!this_net_mask)
 			continue;
@@ -241,8 +241,6 @@ return view.extend({
 		    pools = hosts_duids_pools[2],
 		    m, s, o, ss, so;
 
-		console.debug(pools);
-
 		m = new form.Map('dhcp', _('DHCP and DNS'), _('Dnsmasq is a combined <abbr title="Dynamic Host Configuration Protocol">DHCP</abbr>-Server and <abbr title="Domain Name System">DNS</abbr>-Forwarder for <abbr title="Network Address Translation">NAT</abbr> firewalls'));
 
 		s = m.section(form.TypedSection, 'dnsmasq', _('Server Settings'));
@@ -568,10 +566,8 @@ return view.extend({
 		so = ss.option(form.Value, 'ip', _('<abbr title="Internet Protocol Version 4">IPv4</abbr>-Address'));
 		so.datatype = 'or(ip4addr,"ignore")';
 		so.validate = function(section, value) {
-			var mac = this.map.lookupOption('mac', section),
-			    name = this.map.lookupOption('name', section),
-			    m = mac ? mac[0].formvalue(section) : null,
-			    n = name ? name[0].formvalue(section) : null;
+			var m = this.section.formvalue(section, 'mac'),
+			    n = this.section.formvalue(section, 'name');
 
 			if ((m == null || m == '') && (n == null || n == ''))
 				return _('One of hostname or mac address must be specified!');
-- 
2.30.2