pin certificate for seed nodes

This commit is contained in:
Audric Ackermann 2021-04-12 15:38:19 +10:00
parent a010630775
commit 47026b8d5b
No known key found for this signature in database
GPG Key ID: 999F434D76324AD4
7 changed files with 185 additions and 14 deletions

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@ -0,0 +1,24 @@
-----BEGIN CERTIFICATE-----
MIIEEzCCAvugAwIBAgIUY9RQqbjhsQEkdeSgV9L0os9xZ7AwDQYJKoZIhvcNAQEL
BQAwfDELMAkGA1UEBhMCQVUxETAPBgNVBAgMCFZpY3RvcmlhMRIwEAYDVQQHDAlN
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-----END CERTIFICATE-----

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@ -0,0 +1,25 @@
-----BEGIN CERTIFICATE-----
MIIEITCCAwmgAwIBAgIUJsox1ZQPK/6iDsCC+MUJfNAlFuYwDQYJKoZIhvcNAQEL
BQAwgYAxCzAJBgNVBAYTAkFVMREwDwYDVQQIDAhWaWN0b3JpYTESMBAGA1UEBwwJ
TWVsYm91cm5lMSUwIwYDVQQKDBxPeGVuIFByaXZhY3kgVGVjaCBGb3VuZGF0aW9u
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MTE5MjZaFw0yMzA0MDcwMTE5MjZaMIGAMQswCQYDVQQGEwJBVTERMA8GA1UECAwI
VmljdG9yaWExEjAQBgNVBAcMCU1lbGJvdXJuZTElMCMGA1UECgwcT3hlbiBQcml2
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/8IgbtM3O8mZc2asmdQhGwoAKz93ryyCd8X2UZJg/IwCSCayOlYZWY2fR4OPQmmV
gxJsm+g=
-----END CERTIFICATE-----

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@ -0,0 +1,25 @@
-----BEGIN CERTIFICATE-----
MIIEITCCAwmgAwIBAgIUc486Dy9Y00bUFfDeYmJIgSS5xREwDQYJKoZIhvcNAQEL
BQAwgYAxCzAJBgNVBAYTAkFVMREwDwYDVQQIDAhWaWN0b3JpYTESMBAGA1UEBwwJ
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9kv115QcBPCSh9qOyTHij4tswS6SyOFaiKrNC4hgHQXP4QgioKmtsR/2Y+qJ6ddH
6oo+4QU=
-----END CERTIFICATE-----

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@ -6,16 +6,16 @@
"defaultPoWDifficulty": "1",
"seedNodeList": [
{
"ip_url": "http://116.203.53.213/",
"url": "https://storage.seed1.loki.network/"
"ip_url": "http://116.203.53.213:4433/",
"url": "https://storage.seed1.loki.network:4433/"
},
{
"ip_url": "http://212.199.114.66/",
"url": "https://storage.seed3.loki.network/"
"ip_url": "http://212.199.114.66:4433/",
"url": "https://storage.seed3.loki.network:4433/"
},
{
"ip_url": "http://144.76.164.202/",
"url": "https://public.loki.foundation/"
"ip_url": "http://144.76.164.202:4433/",
"url": "https://public.loki.foundation:4433/"
}
],
"updatesEnabled": false,

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@ -304,6 +304,7 @@
"debug_log_preload.js",
"password_preload.js",
"main.js",
"certificates/**",
"images/**",
"fonts/*",
"build/assets",

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@ -1,5 +1,14 @@
// we don't throw or catch here
import { default as insecureNodeFetch } from 'node-fetch';
import https from 'https';
import crypto from 'crypto';
import fs from 'fs';
import path from 'path';
import tls from 'tls';
import Electron from 'electron';
const { remote } = Electron;
import { snodeRpc } from './lokiRpc';
import {
@ -78,6 +87,93 @@ export async function getVersion(
}
}
const sha256 = (s: string) => {
return crypto
.createHash('sha256')
.update(s)
.digest('base64');
};
const getSslAgentForSeedNode = (seedNodeHost: string) => {
let filePrefix = '';
let pubkey256 = '';
let cert256 = '';
switch (seedNodeHost) {
case 'storage.seed1.loki.network':
filePrefix = 'storage-seed-1';
pubkey256 = 'JOsnIcAanVbgECNA8lHtC8f/cqN9m8EP7jKT6XCjeL8=';
cert256 =
'6E:2B:AC:F3:6E:C1:FF:FF:24:F3:CA:92:C6:94:81:B4:82:43:DF:C7:C6:03:98:B8:F5:6B:7D:30:7B:16:C1:CB';
break;
case 'storage.seed3.loki.network':
filePrefix = 'storage-seed-3';
pubkey256 = 'mMmZD3lG4Fi7nTC/EWzRVaU3bbCLsH6Ds2FHSTpo0Rk=';
cert256 =
'24:13:4C:0A:03:D8:42:A6:09:DE:35:76:F4:BD:FB:11:60:DB:F9:88:9F:98:46:B7:60:A6:60:0C:4C:CF:60:72';
break;
case 'public.loki.foundation':
filePrefix = 'public-loki-foundation';
pubkey256 = 'W+Zv52qlcm1BbdpJzFwxZrE7kfmEboq7h3Dp/+Q3RPg=';
cert256 =
'40:E4:67:7D:18:6B:4D:08:8D:E9:D5:47:52:25:B8:28:E0:D3:63:99:9B:38:46:7D:92:19:5B:61:B9:AE:0E:EA';
break;
default:
throw new Error(`Unknown seed node: ${seedNodeHost}`);
}
// tslint:disable: non-literal-fs-path
// read the cert each time. We only run this request once for each seed node nevertheless.
const appPath = remote.app.getAppPath();
const crt = fs.readFileSync(
path.join(appPath, `/certificates/${filePrefix}.crt`),
'utf-8'
);
// debugger;
const sslOptions = {
// as the seed nodes are using a self signed certificate, we have to provide it here.
ca: crt,
// we might need to selectively disable that for tests on swarm-testing or so.
// we have to reject them, otherwise our errors returned in the checkServerIdentity are simply not making the call fail.
// so in production, rejectUnauthorized must be true.
rejectUnauthorized: true,
keepAlive: false,
checkServerIdentity: (host: string, cert: any) => {
// Make sure the certificate is issued to the host we are connected to
const err = tls.checkServerIdentity(host, cert);
if (err) {
return err;
}
// we might need to selectively disable that for tests on swarm-testing or so.
// Pin the public key, similar to HPKP pin-sha25 pinning
if (sha256(cert.pubkey) !== pubkey256) {
const msg =
'Certificate verification error: ' +
`The public key of '${cert.subject.CN}' ` +
'does not match our pinned fingerprint';
return new Error(msg);
}
// Pin the exact certificate, rather than the pub key
if (cert.fingerprint256 !== cert256) {
const msg =
'Certificate verification error: ' +
`The certificate of '${cert.subject.CN}' ` +
'does not match our pinned fingerprint';
return new Error(msg);
}
return undefined;
},
};
// we're creating a new Agent that will now use the certs we have configured
return new https.Agent(sslOptions);
};
export async function getSnodesFromSeedUrl(urlObj: URL): Promise<Array<any>> {
const { log } = window;
@ -103,11 +199,14 @@ export async function getSnodesFromSeedUrl(urlObj: URL): Promise<Array<any>> {
method: 'get_n_service_nodes',
params,
};
const sslAgent = getSslAgentForSeedNode(urlObj.hostname);
const fetchOptions = {
method: 'POST',
timeout: 10000,
body: JSON.stringify(body),
agent: sslAgent,
};
window.log.info('insecureNodeFetch => plaintext for getSnodesFromSeedUrl');

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@ -1,22 +1,18 @@
import semver from 'semver';
import _ from 'lodash';
import {
abortableIterator,
allowOnlyOneAtATime,
} from '../../../js/modules/loki_primitives';
import {
getSnodesFromSeedUrl,
getVersion,
requestSnodesForPubkey,
} from './serviceNodeAPI';
import { getSnodesFromSeedUrl, requestSnodesForPubkey } from './serviceNodeAPI';
import {
getSwarmNodesForPubkey,
updateSwarmNodesForPubkey,
} from '../../../ts/data/data';
import semver from 'semver';
import _ from 'lodash';
export type SnodeEdKey = string;
const MIN_NODES = 3;
@ -60,6 +56,7 @@ async function tryGetSnodeListFromLokidSeednode(
let snodes = [];
try {
const tryUrl = new URL(seedNode.url);
snodes = await getSnodesFromSeedUrl(tryUrl);
// throw before clearing the lock, so the retries can kick in
if (snodes.length === 0) {