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luci-base: fix static proto trace-back when a netmask is set but no IP is set

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A trace-back is produced when a netmask is set, and the contents of the IPv4
address field are removed or otherwise unset.

Signed-off-by: Paul Donald <newtwen+github@gmail.com>
This commit is contained in:
Paul Donald
2025-10-30 18:53:14 +01:00
parent 7722292e88
commit 1da88cc888
1 changed files with 23 additions and 11 deletions
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34
modules/luci-base/htdocs/luci-static/resources/protocol/static.js
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@@ -8,26 +8,38 @@ function isCIDR(value) {
}
function calculateBroadcast(s, use_cfgvalue) {
var readfn = use_cfgvalue ? 'cfgvalue' : 'formvalue',
addropt = s.children.filter(function(o) { return o.option == 'ipaddr'})[0],
addrvals = addropt ? L.toArray(addropt[readfn](s.section)) : [],
maskopt = s.children.filter(function(o) { return o.option == 'netmask'})[0],
maskval = maskopt ? maskopt[readfn](s.section) : null,
firstsubnet = maskval ? addrvals[0] + '/' + maskval : addrvals.filter(function(a) { return a.indexOf('/') > 0 })[0];
const readfn = use_cfgvalue ? 'cfgvalue' : 'formvalue';
const addropt = s.children.find(o => o.option == 'ipaddr');
const addrvals = addropt ? L.toArray(addropt[readfn](s.section)) : [];
const maskopt = s.children.find(o => o.option == 'netmask');
const maskval = maskopt ? maskopt[readfn](s.section) : null;
let firstsubnet = null;
if (firstsubnet == null)
/* only form a subnet if both parts exist */
if (addrvals.length && addrvals[0] && maskval)
firstsubnet = addrvals[0] + '/' + maskval;
else if (addrvals.length)
firstsubnet = addrvals.find(a => a.indexOf('/') > 0);
if (!firstsubnet)
return null;
var addr_mask = firstsubnet.split('/'),
addr = validation.parseIPv4(addr_mask[0]),
mask = addr_mask[1];
const [addr_str, mask_str] = firstsubnet.split('/');
const addr = validation.parseIPv4(addr_str);
if (!addr)
return null;
let mask = mask_str;
if (!isNaN(mask))
mask = validation.parseIPv4(network.prefixToMask(+mask));
else
mask = validation.parseIPv4(mask);
var bc = [
if (!mask)
return null;
const bc = [
addr[0] | (~mask[0] >>> 0 & 255),
addr[1] | (~mask[1] >>> 0 & 255),
addr[2] | (~mask[2] >>> 0 & 255),