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luci-base: ui.js: warn about connectivity loss on changing iface settings

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If specific settings such as the protocol, IP address or netmask of an
interface the user is connected to are changed, the apply/rollback
mechanism might interfere. Display an additional warning dialog in this
case, instructing the user to manually reconnect and offering to continue
with a less safe unchecked apply mechanism.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
This commit is contained in:
Jo-Philipp Wich 2022-05-06 13:39:36 +02:00
parent 56fab648ca
commit 733ee9a7b6
1 changed files with 76 additions and 26 deletions
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50
modules/luci-base/htdocs/luci-static/resources/ui.js
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@ -4477,6 +4477,26 @@ var UI = baseclass.extend(/** @lends LuCI.ui.prototype */ {
}
},
/** @private */
checkConnectivityAffected: function() {
return L.resolveDefault(fs.exec_direct('/usr/libexec/luci-peeraddr', null, 'json')).then(L.bind(function(info) {
if (L.isObject(info) && Array.isArray(info.inbound_interfaces)) {
for (var i = 0; i < info.inbound_interfaces.length; i++) {
var iif = info.inbound_interfaces[i];
for (var j = 0; this.changes && this.changes.network && j < this.changes.network.length; j++) {
var chg = this.changes.network[j];
if (chg[0] == 'set' && chg[1] == iif && (chg[2] == 'proto' || chg[2] == 'ipaddr' || chg[2] == 'netmask'))
return iif;
}
}
}
return null;
}, this));
},
/** @private */
rollback: function(checked) {
if (checked) {
@ -4614,6 +4634,35 @@ var UI = baseclass.extend(/** @lends LuCI.ui.prototype */ {
this.displayStatus('notice spinning',
E('p', _('Starting configuration apply…')));
(new Promise(function(resolveFn, rejectFn) {
if (!checked)
return resolveFn(false);
UI.prototype.changes.checkConnectivityAffected().then(function(affected) {
if (!affected)
return resolveFn(true);
UI.prototype.changes.displayStatus('warning', [
E('h4', _('Connectivity change')),
E('p', _('The network access to this device could be interrupted by changing settings of the "%h" interface.').format(affected)),
E('p', _('If the IP address used to access LuCI changes, a <strong>manual reconnect to the new IP</strong> is required within %d seconds to confirm the settings, otherwise modifications will be reverted.').format(L.env.apply_rollback)),
E('div', { 'class': 'right' }, [
E('button', {
'class': 'btn',
'click': rejectFn,
}, [ _('Cancel') ]), ' ',
E('button', {
'class': 'btn cbi-button-action important',
'click': resolveFn.bind(null, true)
}, [ _('Apply and revert on connectivity loss') ]), ' ',
E('button', {
'class': 'btn cbi-button-negative important',
'click': resolveFn.bind(null, false)
}, [ _('Apply and keep settings') ])
])
]);
});
})).then(function(checked) {
request.request(L.url('admin/uci', checked ? 'apply_rollback' : 'apply_unchecked'), {
method: 'post',
query: { sid: L.env.sessionid, token: L.env.token }
@ -4643,6 +4692,7 @@ var UI = baseclass.extend(/** @lends LuCI.ui.prototype */ {
}, L.env.apply_display * 1000);
}
});
}, this.displayStatus.bind(this, false));
},
/**