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Added user account, user session and agent session per-domain limits.

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This commit is contained in:
Ylian Saint-Hilaire 2019-02-11 14:41:15 -08:00
parent c7ac086648
commit 91282677cd
11 changed files with 212 additions and 29 deletions
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6
certoperations.js
View File

@ -112,7 +112,9 @@ module.exports.CertificateOperations = function (parent) {
// Create a self-signed certificate
obj.GenerateRootCertificate = function (addThumbPrintToName, commonName, country, organization, strong) {
var keys = obj.pki.rsa.generateKeyPair((strong == true) ? 3072 : 2048);
// TODO: Use Async key generation to use web workers and go a lot faster.
// rsa.generateKeyPair({ bits: 3072, e: 0x10001, workers: -1 }, function (err, keypair) { /*keypair.privateKey, keypair.publicKey*/ });
var keys = obj.pki.rsa.generateKeyPair({ bits: (strong == true) ? 3072 : 2048, e: 0x10001 });
var cert = obj.pki.createCertificate();
cert.publicKey = keys.publicKey;
cert.serialNumber = String(Math.floor((Math.random() * 100000) + 1));
@ -136,7 +138,7 @@ module.exports.CertificateOperations = function (parent) {
// Issue a certificate from a root
obj.IssueWebServerCertificate = function (rootcert, addThumbPrintToName, commonName, country, organization, extKeyUsage, strong) {
var keys = obj.pki.rsa.generateKeyPair((strong == true) ? 3072 : 2048);
var keys = obj.pki.rsa.generateKeyPair({ bits: (strong == true) ? 3072 : 2048, e: 0x10001 });
var cert = obj.pki.createCertificate();
cert.publicKey = keys.publicKey;
cert.serialNumber = String(Math.floor((Math.random() * 100000) + 1));

2
db.js
View File

@ -175,7 +175,7 @@ module.exports.CreateDB = function (parent) {
obj.getPowerTimeline = function (nodeid, func) { if (obj.databaseType == 1) { obj.file.find({ type: 'power', node: { $in: ['*', nodeid] } }).sort({ time: 1 }).exec(func); } else { obj.file.find({ type: 'power', node: { $in: ['*', nodeid] } }).sort({ time: 1 }, func); } };
obj.getLocalAmtNodes = function (func) { obj.file.find({ type: 'node', host: { $exists: true, $ne: null }, intelamt: { $exists: true } }, func); };
obj.getAmtUuidNode = function (meshid, uuid, func) { obj.file.find({ type: 'node', meshid: meshid, 'intelamt.uuid': uuid }, func); };
obj.isMaxType = function (max, type, func) { if (max == null) { func(false); } else { obj.file.count({ type: type }, function (err, count) { func((err != null) || (count > max)); }); } }
obj.isMaxType = function (max, type, domainid, func) { if (max == null) { func(false); } else { obj.file.count({ type: type, domain: domainid }, function (err, count) { func((err != null) || (count > max)); }); } }
// Read a configuration file from the database
obj.getConfigFile = function (path, func) { obj.Get('cfile/' + path, func); }

10
meshagent.js
View File

@ -368,6 +368,16 @@ module.exports.CreateMeshAgent = function (parent, db, ws, req, args, domain) {
if ((obj.authenticated != 1) || (obj.meshid == null) || obj.pendingCompleteAgentConnection) return;
obj.pendingCompleteAgentConnection = true;
// Check if we have too many agent sessions
if (typeof domain.limits.maxagentsessions == 'number') {
// Count the number of agent sessions for this domain
var domainAgentSessionCount = 0;
for (var i in obj.parent.wsagents) { if (obj.parent.wsagents[i].domain.id == domain.id) { domainAgentSessionCount++; } }
// Check if we have too many user sessions
if (domainAgentSessionCount >= domain.limits.maxagentsessions) { return; } // Too many, hold the connection.
}
// Check that the mesh exists
var mesh = obj.parent.meshes[obj.dbMeshKey];
if (mesh == null) { console.log('Agent connected with invalid domain/mesh, holding connection (' + obj.remoteaddrport + ', ' + obj.dbMeshKey + ').'); return; } // If we disconnect, the agnet will just reconnect. We need to log this or tell agent to connect in a few hours.

1
meshcentral.js
View File

@ -437,6 +437,7 @@ function CreateMeshCentralServer(config, args) {
var bannedDomains = ['public', 'private', 'images', 'scripts', 'styles', 'views']; // List of banned domains
for (i in obj.config.domains) { for (var j in bannedDomains) { if (i == bannedDomains[j]) { console.log("ERROR: Domain '" + i + "' is not allowed domain name in ./data/config.json."); return; } } }
for (i in obj.config.domains) {
if (obj.config.domains[i].limits == null) { obj.config.domains[i].limits = {}; }
if (obj.config.domains[i].dns == null) { obj.config.domains[i].url = (i == '') ? '/' : ('/' + i + '/'); } else { obj.config.domains[i].url = '/'; }
obj.config.domains[i].id = i;
if (typeof obj.config.domains[i].userallowedip == 'string') { if (obj.config.domains[i].userallowedip == '') { obj.config.domains[i].userallowedip = null; } else { obj.config.domains[i].userallowedip = obj.config.domains[i].userallowedip.split(','); } }

16
meshuser.js
View File

@ -127,6 +127,20 @@ module.exports.CreateMeshUser = function (parent, db, ws, req, args, domain, use
// Check if the user is logged in
if (user == null) { try { obj.ws.close(); } catch (e) { } return; }
// Check if we have exceeded the user session limit
if (typeof domain.limits.maxusersessions == 'number') {
// Count the number of user sessions for this domain
var domainUserSessionCount = 0;
for (var i in obj.parent.wssessions2) { if (obj.parent.wssessions2[i].domainid == domain.id) { domainUserSessionCount++; } }
// Check if we have too many user sessions
if (domainUserSessionCount >= domain.limits.maxusersessions) {
ws.send(JSON.stringify({ action: 'stopped', msg: 'Session count exceed' }));
try { obj.ws.close(); } catch (e) { }
return;
}
}
// Associate this websocket session with the web session
obj.ws.userid = req.session.userid;
obj.ws.domainid = domain.id;
@ -643,7 +657,7 @@ module.exports.CreateMeshUser = function (parent, db, ws, req, args, domain, use
if (obj.parent.users[newuserid]) break; // Account already exists
// Check if we exceed the maximum number of user accounts
obj.db.isMaxType(domain.maxaccounts, 'user', function (maxExceed) {
obj.db.isMaxType(domain.limits.maxuseraccounts, 'user', domain.id, function (maxExceed) {
if (maxExceed) {
// Account count exceed, do notification

2
package.json
View File

@ -1,6 +1,6 @@
{
"name": "meshcentral",
"version": "0.2.7-u",
"version": "0.2.7-v",
"keywords": [
"Remote Management",
"Intel AMT",

5
sample-config.json
View File

@ -41,6 +41,11 @@
"_UserBlockedIP": "127.0.0.1,::1,192.168.0.100",
"_AgentAllowedIP": "192.168.0.100/24",
"_AgentBlockedIP": "127.0.0.1,::1",
"_Limits": {
"MaxUserAccounts": 100,
"MaxUserSessions": 100,
"MaxAgentSessions": 100
},
"_yubikey": { "id": "0000", "secret": "xxxxxxxxxxxxxxxxxxxxx", "_proxy": "http://myproxy.domain.com:80" },
},
"customer1": {

14
views/default.handlebars
View File

@ -855,6 +855,7 @@
<script type="text/javascript">
'use strict';
var args;
var autoReconnect = true;
var powerStatetable = ['', 'Powered', 'Sleep', 'Sleep', 'Sleep', 'Hibernating', 'Power off', 'Present'];
var StatusStrs = ['Disconnected', 'Connecting...', 'Setup...', 'Connected', 'Intel&reg; AMT Connected'];
var sort = 0;
@ -1076,7 +1077,7 @@
QV('verifyEmailId2', false);
QV('logoutControl', false);
if (errorCode == 'noauth') { QH('p0span', 'Unable to perform authentication'); return; }
if (prevState == 2) { setTimeout(serverPoll, 5000); } else { QH('p0span', 'Unable to connect web socket'); }
if (prevState == 2) { if (autoReconnect) { setTimeout(serverPoll, 5000); } } else { QH('p0span', 'Unable to connect web socket'); }
if (authCookieRenewTimer != null) { clearInterval(authCookieRenewTimer); authCookieRenewTimer = null; }
} else if (state == 2) {
// Fetch list of meshes, nodes, files
@ -1751,7 +1752,8 @@
break;
}
case 'stopped': { // Server is stopping.
// TODO: Disconnect
// Disconnect
console.log(message.msg);
break;
}
default:
@ -1760,6 +1762,12 @@
}
break;
}
case 'stopped': { // Server is stopping.
// Disconnect
autoReconnect = false;
QH('p0span', message.msg);
break;
}
default:
console.log('Unknown message.action', message.action);
break;
@ -6379,7 +6387,7 @@
x += addDeviceAttribute('Creation', new Date(user.creation * 1000).toLocaleString());
if (user.login) x += addDeviceAttribute('Last Login', new Date(user.login * 1000).toLocaleString());
var multiFactor = 0;
if ((user.otpsecret > 0) || (user.otphkeys > 0) || (user.otpkeys > 0)) {
if ((user.otpsecret > 0) || (user.otphkeys > 0)) {
multiFactor = 1;
var factors = [];
if (user.otpsecret > 0) { factors.push('Authentication App'); }

51
views/login-mobile.handlebars
View File

@ -150,7 +150,7 @@
<tr>
<td align=right width=100>Login token:</td>
<td>
<input id=tokenInput type=text name=token maxlength=50 onkeyup=checkToken(event) onkeydown=checkToken(event) />
<input id=tokenInput type=text name=token maxlength=50 onchange=checkToken(event) onkeyup=checkToken(event) onkeydown=checkToken(event) />
<input id=hwtokenInput type=text name=hwtoken style="display:none" />
</td>
</tr>
@ -163,6 +163,31 @@
<hr /><a onclick=xgo(1) style=cursor:pointer>Back to login</a>
</form>
</div>
<div id=resettokenpanel style="background-color:#979797;border-radius:16px;width:260px;padding:16px;text-align:center;display:none;clear:both">
<form action=resetaccount method=post autocomplete=off>
<div id=message5>
{{{message}}}
</div>
<table>
<tr>
<td align=right width=100>Login token:</td>
<td>
<input id=resetTokenInput type=text name=token maxlength=50 onchange=resetCheckToken(event) onkeyup=resetCheckToken(event) onkeydown=resetCheckToken(event) />
<input id=resetHwtokenInput type=text name=hwtoken style="display:none" />
</td>
</tr>
<tr>
<td colspan=2>
<div style=float:right><input id=resetTokenOkButton type=submit value="Login" disabled="disabled" /></div>
</td>
</tr>
</table>
<hr /><a onclick=xgo(1) style=cursor:pointer>Back to login</a>
</form>
</div>
</td>
</tr>
</table>
@ -237,6 +262,19 @@
}, hardwareKeyChallenge.timeoutSeconds);
}
}
if ('{{loginmode}}' == '5') {
try { if (hardwareKeyChallenge.length > 0) { hardwareKeyChallenge = JSON.parse(hardwareKeyChallenge); } else { hardwareKeyChallenge = null; } } catch (ex) { hardwareKeyChallenge = null }
if ((hardwareKeyChallenge != null) && u2fSupported()) {
window.u2f.sign(hardwareKeyChallenge.appId, hardwareKeyChallenge.challenge, hardwareKeyChallenge.registeredKeys, function (authResponse) {
if (authResponse.signatureData) {
Q('resetHwtokenInput').value = JSON.stringify(authResponse);
QE('resetTokenOkButton', true);
Q('resetTokenOkButton').click();
}
}, hardwareKeyChallenge.timeoutSeconds);
}
}
}
function showPassHint() {
@ -246,6 +284,9 @@
function xgo(x) {
QV('message1', false);
QV('message2', false);
QV('message3', false);
QV('message4', false);
QV('message5', false);
go(x);
}
@ -256,6 +297,7 @@
QV('createpanel', x == 2);
QV('resetpanel', x == 3);
QV('tokenpanel', x == 4);
QV('resettokenpanel', x == 5);
if (x == 1) { Q('username').focus(); }
if (x == 2) { Q('ausername').focus(); }
if (x == 3) { Q('remail').focus(); }
@ -353,6 +395,13 @@
QE('tokenOkButton', (Q('tokenInput').value.length == 6) || (Q('tokenInput').value.length == 8) || (Q('tokenInput').value.length == 44));
}
function resetCheckToken() {
var t1 = Q('resetTokenInput').value;
var t2 = t1.split(' ').join('');
if (t1 != t2) { Q('resetTokenInput').value = t2; }
QE('resetTokenOkButton', (Q('resetTokenInput').value.length == 6) || (Q('resetTokenInput').value.length == 8) || (Q('resetTokenInput').value.length == 44));
}
//
// POPUP DIALOG
//

48
views/login.handlebars
View File

@ -223,7 +223,7 @@
<tr>
<td align=right width=100>Login token:</td>
<td>
<input id=tokenInput type=text name=token maxlength=50 onkeyup=checkToken(event) onkeydown=checkToken(event) />
<input id=tokenInput type=text name=token maxlength=50 onchange=checkToken(event) onkeyup=checkToken(event) onkeydown=checkToken(event) />
<input id=hwtokenInput type=text name=hwtoken style="display:none" />
</td>
</tr>
@ -236,6 +236,28 @@
<hr /><a onclick=xgo(1) style=cursor:pointer>Back to login</a>
</form>
</div>
<div id=resettokenpanel style="background-color: #979797;border-radius:16px;width:300px;padding:16px;text-align:center;display:none">
<form action=resetaccount method=post>
<div id=message5>
{{{message}}}
</div>
<table>
<tr>
<td align=right width=100>Login token:</td>
<td>
<input id=resetTokenInput type=text name=token maxlength=50 onchange=resetCheckToken(event) onkeyup=resetCheckToken(event) onkeydown=resetCheckToken(event) />
<input id=resetHwtokenInput type=text name=hwtoken style="display:none" />
</td>
</tr>
<tr>
<td colspan=2>
<div style=float:right><input id=resetTokenOkButton type=submit value="Login" disabled="disabled" /></div>
</td>
</tr>
</table>
<hr /><a onclick=xgo(1) style=cursor:pointer>Back to login</a>
</form>
</div>
</td>
</tr>
</table>
@ -320,6 +342,19 @@
}, hardwareKeyChallenge.timeoutSeconds);
}
}
if ('{{loginmode}}' == '5') {
try { if (hardwareKeyChallenge.length > 0) { hardwareKeyChallenge = JSON.parse(hardwareKeyChallenge); } else { hardwareKeyChallenge = null; } } catch (ex) { hardwareKeyChallenge = null }
if ((hardwareKeyChallenge != null) && u2fSupported()) {
window.u2f.sign(hardwareKeyChallenge.appId, hardwareKeyChallenge.challenge, hardwareKeyChallenge.registeredKeys, function (authResponse) {
if (authResponse.signatureData) {
Q('resetHwtokenInput').value = JSON.stringify(authResponse);
QE('resetTokenOkButton', true);
Q('resetTokenOkButton').click();
}
}, hardwareKeyChallenge.timeoutSeconds);
}
}
}
function showPassHint() {
@ -329,6 +364,9 @@
function xgo(x) {
QV('message1', false);
QV('message2', false);
QV('message3', false);
QV('message4', false);
QV('message5', false);
go(x);
}
@ -339,6 +377,7 @@
QV('createpanel', x == 2);
QV('resetpanel', x == 3);
QV('tokenpanel', x == 4);
QV('resettokenpanel', x == 5);
if (x == 1) { Q('username').focus(); }
if (x == 2) { Q('ausername').focus(); }
if (x == 3) { Q('remail').focus(); }
@ -448,6 +487,13 @@
QE('tokenOkButton', (Q('tokenInput').value.length == 6) || (Q('tokenInput').value.length == 8) || (Q('tokenInput').value.length == 44));
}
function resetCheckToken() {
var t1 = Q('resetTokenInput').value;
var t2 = t1.split(' ').join('');
if (t1 != t2) { Q('resetTokenInput').value = t2; }
QE('resetTokenOkButton', (Q('resetTokenInput').value.length == 6) || (Q('resetTokenInput').value.length == 8) || (Q('resetTokenInput').value.length == 44));
}
//
// POPUP DIALOG
//

72
webserver.js
View File

@ -320,7 +320,7 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
// Return true if this user has 2-step auth active
function checkUserOneTimePasswordRequired(domain, user) {
return (user.otpsecret) || (user.otphkeys && (user.otphkeys.length > 0));
return ((user.otpsecret != null) || ((user.otphkeys != null) && (user.otphkeys.length > 0)));
}
// Check the 2-step auth token
@ -377,7 +377,6 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
}
// Return a U2F hardware key challenge
// TODO: Figure out how to support many U2F keys at the same time.
function getHardwareKeyChallenge(req, domain, user, func) {
if (req.session.u2fchallenge) { delete req.session.u2fchallenge; };
if (user.otphkeys && (user.otphkeys.length > 0)) {
@ -419,7 +418,7 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
var user = obj.users[userid];
// Check if this user has 2-step login active
if (checkUserOneTimePasswordRequired(req.domain, user)) {
if (checkUserOneTimePasswordRequired(domain, user)) {
checkUserOneTimePassword(req, domain, user, req.body.token, req.body.hwtoken, function (result) {
if (result == false) {
// 2-step auth is required, but the token is not present or not valid.
@ -427,7 +426,6 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
req.session.loginmode = '4';
req.session.tokenusername = xusername;
req.session.tokenpassword = xpassword;
req.session.tokenRetry = true;
res.redirect(domain.url);
} else {
// Login succesful
@ -465,6 +463,7 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
delete req.session.loginmode;
delete req.session.tokenusername;
delete req.session.tokenpassword;
delete req.session.tokenemail;
delete req.session.success;
delete req.session.error;
delete req.session.passhint;
@ -503,7 +502,7 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
if ((domain.newaccounts === 0) || (domain.newaccounts === false)) { res.sendStatus(401); return; }
// Check if we exceed the maximum number of user accounts
obj.db.isMaxType(domain.maxaccounts, 'user', function (maxExceed) {
obj.db.isMaxType(domain.limits.maxuseraccounts, 'user', domain.id, function (maxExceed) {
if (maxExceed) {
req.session.loginmode = 2;
req.session.error = '<b style=color:#8C001A>Account limit reached.</b>';
@ -569,21 +568,36 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
const domain = checkUserIpAddress(req, res);
if ((domain == null) || (domain.auth == 'sspi')) return;
var email = req.body.email;
if ((email == null) || (email == '')) { email = req.session.tokenemail; }
if ((domain.newaccounts === 0) || (domain.newaccounts === false)) { res.sendStatus(401); return; }
if (!req.body.email || checkEmail(req.body.email) == false) {
if (!email || checkEmail(email) == false) {
req.session.loginmode = 3;
req.session.error = '<b style=color:#8C001A>Invalid email.</b>';
res.redirect(domain.url);
} else {
obj.db.GetUserWithVerifiedEmail(domain.id, req.body.email, function (err, docs) {
if (docs.length == 0) {
obj.db.GetUserWithVerifiedEmail(domain.id, email, function (err, docs) {
if ((err != null) || (docs.length == 0)) {
req.session.loginmode = 3;
req.session.error = '<b style=color:#8C001A>Account not found.</b>';
res.redirect(domain.url);
} else {
var userFound = docs[0];
var user = docs[0];
if (checkUserOneTimePasswordRequired(domain, user) == true) {
// Second factor setup, request it now.
checkUserOneTimePassword(req, domain, user, req.body.token, req.body.hwtoken, function (result) {
if (result == false) {
// 2-step auth is required, but the token is not present or not valid.
if ((req.body.token != null) || (req.body.hwtoken != null)) { req.session.error = '<b style=color:#8C001A>Invalid token, try again.</b>'; }
req.session.loginmode = '5';
req.session.tokenemail = email;
res.redirect(domain.url);
} else {
// Send email to perform recovery.
delete req.session.tokenemail;
if (obj.parent.mailserver != null) {
obj.parent.mailserver.sendAccountResetMail(domain, userFound.name, userFound.email);
obj.parent.mailserver.sendAccountResetMail(domain, user.name, user.email);
req.session.loginmode = 1;
req.session.error = '<b style=color:darkgreen>Hold on, reset mail sent.</b>';
res.redirect(domain.url);
@ -594,6 +608,21 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
}
}
});
} else {
// No second factor, send email to perform recovery.
if (obj.parent.mailserver != null) {
obj.parent.mailserver.sendAccountResetMail(domain, user.name, user.email);
req.session.loginmode = 1;
req.session.error = '<b style=color:darkgreen>Hold on, reset mail sent.</b>';
res.redirect(domain.url);
} else {
req.session.loginmode = 3;
req.session.error = '<b style=color:#8C001A>Unable to sent email.</b>';
res.redirect(domain.url);
}
}
}
});
}
}
@ -632,7 +661,7 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
obj.db.SetUser(user);
// Event the change
obj.parent.DispatchEvent(['*', 'server-users', user._id], obj, { etype: 'user', username: user.name, account: obj.CloneSafeUser(user), action: 'accountchange', msg: 'Verified email of user ' + EscapeHtml(user.name) + ' (' + EscapeHtml(userinfo.email) + ')', domain: domain.id });
obj.parent.DispatchEvent(['*', 'server-users', user._id], obj, { etype: 'user', username: user.name, account: obj.CloneSafeUser(user), action: 'accountchange', msg: 'Verified email of user ' + EscapeHtml(user.name) + ' (' + EscapeHtml(user.email) + ')', domain: domain.id });
// Send the confirmation page
res.render(obj.path.join(obj.parent.webViewsPath, 'message'), { title: domain.title, title2: domain.title2, title3: 'Account Verification', message: 'Verified email <b>' + EscapeHtml(user.email) + '</b> for user account <b>' + EscapeHtml(user.name) + '</b>. <a href="' + domain.url + '">Go to login page</a>.' });
@ -660,7 +689,7 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
userinfo.hash = hash;
userinfo.passchange = Math.floor(Date.now() / 1000);
userinfo.passhint = null;
delete userinfo.otpsecret; // Currently a email password reset will turn off 2-step login.
//delete userinfo.otpsecret; // Currently a email password reset will turn off 2-step login.
obj.db.SetUser(userinfo);
// Event the change
@ -920,6 +949,7 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
} else {
// Send back the login application
// If this is a 2 factor auth request, look for a hardware key challenge.
// Normal login 2 factor request
if ((req.session.loginmode == '4') && (req.session.tokenusername)) {
var user = obj.users['user/' + domain.id + '/' + req.session.tokenusername];
if (user != null) {
@ -927,6 +957,24 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
return;
}
}
// Password recovery 2 factor request
if ((req.session.loginmode == '5') && (req.session.tokenemail)) {
obj.db.GetUserWithVerifiedEmail(domain.id, req.session.tokenemail, function (err, docs) {
if ((err != null) || (docs.length == 0)) {
req.session = null;
res.redirect(domain.url);
} else {
var user = obj.users[docs[0]._id];
if (user != null) {
getHardwareKeyChallenge(req, domain, user, function (u2fChallenge) { handleRootRequestLogin(req, res, domain, u2fChallenge, passRequirements); });
} else {
req.session = null;
res.redirect(domain.url);
}
}
});
return;
}
handleRootRequestLogin(req, res, domain, '', passRequirements);
}
}