From bcaa445f088ad901da693a29b55e80295cb8f093 Mon Sep 17 00:00:00 2001 From: Paul Donald Date: Thu, 23 Nov 2023 04:51:51 +0100 Subject: [PATCH] luci-mod-network: Make MAC check functions generic. Also remove a reassigned so.validate function (dead code). Signed-off-by: Paul Donald --- .../resources/view/network/dhcp.js | 55 +++++++++++-------- 1 file changed, 31 insertions(+), 24 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 6dc7700842..074bfbc71b 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 @@ -209,6 +209,34 @@ function validateServerSpec(sid, s) { return true; } +function expandAndFormatMAC(macs) { + let result = []; + + macs.forEach(mac => { + if (isValidMAC(mac)) { + const expandedMac = mac.split(':').map(part => { + return (part.length === 1 && part !== '*') ? '0' + part : part; + }).join(':').toUpperCase(); + result.push(expandedMac); + } + }); + + return result.length ? result.join(' ') : null; +} + +function isValidMAC(sid, s) { + if (!s) + return true; + + let macaddrs = L.toArray(s); + + for (var i = 0; i < macaddrs.length; i++) + if (!macaddrs[i].match(/^(([0-9a-f]{1,2}|\*)[:-]){5}([0-9a-f]{1,2}|\*)$/i)) + return _('Expecting a valid MAC address, optionally including wildcards') + _('; invalid MAC: ') + macaddrs[i]; + + return true; +} + function validateMACAddr(pools, sid, s) { if (s == null || s == '') return true; @@ -240,7 +268,7 @@ function validateMACAddr(pools, sid, s) { } } - return true; + return isValidMAC(sid, s); } return view.extend({ @@ -890,31 +918,10 @@ return view.extend({ _('The hardware address(es) of this entry/host.') + '

' + _('In DHCPv4, it is possible to include more than one mac address. This allows an IP address to be associated with multiple macaddrs, and dnsmasq abandons a DHCP lease to one of the macaddrs when another asks for a lease. It only works reliably if only one of the macaddrs is active at any time.')); //As a special case, in DHCPv4, it is possible to include more than one hardware address. eg: --dhcp-host=11:22:33:44:55:66,12:34:56:78:90:12,192.168.0.2 This allows an IP address to be associated with multiple hardware addresses, and gives dnsmasq permission to abandon a DHCP lease to one of the hardware addresses when another one asks for a lease - so.validate = function(section_id, value) { - var macaddrs = L.toArray(value); - - for (var i = 0; i < macaddrs.length; i++) - if (!macaddrs[i].match(/^([a-fA-F0-9]{2}|\*):([a-fA-F0-9]{2}:|\*:){4}(?:[a-fA-F0-9]{2}|\*)$/)) - return _('Expecting a valid MAC address, optionally including wildcards'); - - return true; - }; so.rmempty = true; so.cfgvalue = function(section) { - var macs = L.toArray(uci.get('dhcp', section, 'mac')), - result = []; - - for (var i = 0, mac; (mac = macs[i]) != null; i++) - if (/^([0-9a-fA-F]{1,2}|\*):([0-9a-fA-F]{1,2}|\*):([0-9a-fA-F]{1,2}|\*):([0-9a-fA-F]{1,2}|\*):([0-9a-fA-F]{1,2}|\*):([0-9a-fA-F]{1,2}|\*)$/.test(mac)) { - var m = [ - parseInt(RegExp.$1, 16), parseInt(RegExp.$2, 16), - parseInt(RegExp.$3, 16), parseInt(RegExp.$4, 16), - parseInt(RegExp.$5, 16), parseInt(RegExp.$6, 16) - ]; - - result.push(m.map(function(n) { return isNaN(n) ? '*' : '%02X'.format(n) }).join(':')); - } - return result.length ? result.join(' ') : null; + var macs = L.toArray(uci.get('dhcp', section, 'mac')); + return expandAndFormatMAC(macs); }; so.renderWidget = function(section_id, option_index, cfgvalue) { var node = form.Value.prototype.renderWidget.apply(this, [section_id, option_index, cfgvalue]), -- 2.30.2