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Fix parseCertificateInfo possibly in dead loop

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pull/891/head^2
Louis Lam 3 years ago
parent c92153c97e
commit 41a6d1b701
3 changed files with 139 additions and 2 deletions
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2
server/model/monitor.js
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@ -367,7 +367,7 @@ class Monitor extends BeanModel {
await Monitor.sendNotification(isFirstBeat, this, bean);
// Clear Status Page Cache
debug(`[${this.name}] Check isImportant`);
debug(`[${this.name}] apicache clear`);
apicache.clear();
} else {

17
server/util-server.js
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@ -201,8 +201,13 @@ const getDaysRemaining = (validFrom, validTo) => {
// param: info - the chain obtained from getPeerCertificate()
const parseCertificateInfo = function (info) {
let link = info;
let i = 0;
const existingList = {};
while (link) {
debug(`[${i}] ${link.fingerprint}`);
if (!link.valid_from || !link.valid_to) {
break;
}
@ -210,15 +215,24 @@ const parseCertificateInfo = function (info) {
link.validFor = link.subjectaltname?.replace(/DNS:|IP Address:/g, "").split(", ");
link.daysRemaining = getDaysRemaining(new Date(), link.validTo);
existingList[link.fingerprint] = true;
// Move up the chain until loop is encountered
if (link.issuerCertificate == null) {
break;
} else if (link.fingerprint == link.issuerCertificate.fingerprint) {
} else if (link.issuerCertificate.fingerprint in existingList) {
debug(`[Last] ${link.issuerCertificate.fingerprint}`);
link.issuerCertificate = null;
break;
} else {
link = link.issuerCertificate;
}
// Should be no use, but just in case.
if (i > 500) {
throw new Error("Dead loop occurred in parseCertificateInfo");
}
i++;
}
return info;
@ -228,6 +242,7 @@ exports.checkCertificate = function (res) {
const info = res.request.res.socket.getPeerCertificate(true);
const valid = res.request.res.socket.authorized || false;
console.log("Parsing Certificate Info");
const parsedInfo = parseCertificateInfo(info);
return {

122
test/backend.spec.js
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@ -1,4 +1,125 @@
const { genSecret, sleep } = require("../src/util");
const utilServerRewire = require("../server/util-server");
describe("Test parseCertificateInfo", () => {
it("should handle undefined", async () => {
const parseCertificateInfo = utilServerRewire.__get__("parseCertificateInfo");
const info = parseCertificateInfo(undefined);
expect(info).toEqual(undefined);
}, 5000);
it("should handle normal cert chain", async () => {
const parseCertificateInfo = utilServerRewire.__get__("parseCertificateInfo");
const chain1 = {
fingerprint: "CF:2C:F3:6A:FE:6B:10:EC:44:77:C8:95:BB:96:2E:06:1F:0E:15:DA",
valid_from: "Oct 22 12:00:00 2013 GMT",
valid_to: "Oct 22 12:00:00 2028 GMT",
subjectaltname: "DNS:www.example.org, DNS:example.com, DNS:example.edu, DNS:example.net, DNS:example.org, DNS:www.example.com, DNS:www.example.edu, DNS:www.example.net",
};
const chain2 = {
fingerprint: "A0:31:C4:67:82:E6:E6:C6:62:C2:C8:7C:76:DA:9A:A6:2C:CA:BD:8E",
valid_from: "Oct 22 12:00:00 2013 GMT",
valid_to: "Oct 22 12:00:00 2028 GMT",
subjectaltname: "DNS:www.example.org, DNS:example.com, DNS:example.edu, DNS:example.net, DNS:example.org, DNS:www.example.com, DNS:www.example.edu, DNS:www.example.net",
};
const chain3 = {
fingerprint: "5F:B7:EE:06:33:E2:59:DB:AD:0C:4C:9A:E6:D3:8F:1A:61:C7:DC:25",
valid_from: "Oct 22 12:00:00 2013 GMT",
valid_to: "Oct 22 12:00:00 2028 GMT",
subjectaltname: "DNS:www.example.org, DNS:example.com, DNS:example.edu, DNS:example.net, DNS:example.org, DNS:www.example.com, DNS:www.example.edu, DNS:www.example.net",
};
chain1.issuerCertificate = chain2;
chain2.issuerCertificate = chain3;
chain3.issuerCertificate = chain3;
const info = parseCertificateInfo(chain1);
expect(chain1).toEqual(info);
}, 5000);
it("should handle cert chain with strange circle", async () => {
const parseCertificateInfo = utilServerRewire.__get__("parseCertificateInfo");
const chain1 = {
fingerprint: "CF:2C:F3:6A:FE:6B:10:EC:44:77:C8:95:BB:96:2E:06:1F:0E:15:DA",
valid_from: "Oct 22 12:00:00 2013 GMT",
valid_to: "Oct 22 12:00:00 2028 GMT",
subjectaltname: "DNS:www.example.org, DNS:example.com, DNS:example.edu, DNS:example.net, DNS:example.org, DNS:www.example.com, DNS:www.example.edu, DNS:www.example.net",
};
const chain2 = {
fingerprint: "A0:31:C4:67:82:E6:E6:C6:62:C2:C8:7C:76:DA:9A:A6:2C:CA:BD:8E",
valid_from: "Oct 22 12:00:00 2013 GMT",
valid_to: "Oct 22 12:00:00 2028 GMT",
subjectaltname: "DNS:www.example.org, DNS:example.com, DNS:example.edu, DNS:example.net, DNS:example.org, DNS:www.example.com, DNS:www.example.edu, DNS:www.example.net",
};
const chain3 = {
fingerprint: "5F:B7:EE:06:33:E2:59:DB:AD:0C:4C:9A:E6:D3:8F:1A:61:C7:DC:25",
valid_from: "Oct 22 12:00:00 2013 GMT",
valid_to: "Oct 22 12:00:00 2028 GMT",
subjectaltname: "DNS:www.example.org, DNS:example.com, DNS:example.edu, DNS:example.net, DNS:example.org, DNS:www.example.com, DNS:www.example.edu, DNS:www.example.net",
};
const chain4 = {
fingerprint: "haha",
valid_from: "Oct 22 12:00:00 2013 GMT",
valid_to: "Oct 22 12:00:00 2028 GMT",
subjectaltname: "DNS:www.example.org, DNS:example.com, DNS:example.edu, DNS:example.net, DNS:example.org, DNS:www.example.com, DNS:www.example.edu, DNS:www.example.net",
};
chain1.issuerCertificate = chain2;
chain2.issuerCertificate = chain3;
chain3.issuerCertificate = chain4;
chain4.issuerCertificate = chain2;
const info = parseCertificateInfo(chain1);
expect(chain1).toEqual(info);
}, 5000);
it("should handle cert chain with last undefined (should be happen in real, but just in case)", async () => {
const parseCertificateInfo = utilServerRewire.__get__("parseCertificateInfo");
const chain1 = {
fingerprint: "CF:2C:F3:6A:FE:6B:10:EC:44:77:C8:95:BB:96:2E:06:1F:0E:15:DA",
valid_from: "Oct 22 12:00:00 2013 GMT",
valid_to: "Oct 22 12:00:00 2028 GMT",
subjectaltname: "DNS:www.example.org, DNS:example.com, DNS:example.edu, DNS:example.net, DNS:example.org, DNS:www.example.com, DNS:www.example.edu, DNS:www.example.net",
};
const chain2 = {
fingerprint: "A0:31:C4:67:82:E6:E6:C6:62:C2:C8:7C:76:DA:9A:A6:2C:CA:BD:8E",
valid_from: "Oct 22 12:00:00 2013 GMT",
valid_to: "Oct 22 12:00:00 2028 GMT",
subjectaltname: "DNS:www.example.org, DNS:example.com, DNS:example.edu, DNS:example.net, DNS:example.org, DNS:www.example.com, DNS:www.example.edu, DNS:www.example.net",
};
const chain3 = {
fingerprint: "5F:B7:EE:06:33:E2:59:DB:AD:0C:4C:9A:E6:D3:8F:1A:61:C7:DC:25",
valid_from: "Oct 22 12:00:00 2013 GMT",
valid_to: "Oct 22 12:00:00 2028 GMT",
subjectaltname: "DNS:www.example.org, DNS:example.com, DNS:example.edu, DNS:example.net, DNS:example.org, DNS:www.example.com, DNS:www.example.edu, DNS:www.example.net",
};
const chain4 = {
fingerprint: "haha",
valid_from: "Oct 22 12:00:00 2013 GMT",
valid_to: "Oct 22 12:00:00 2028 GMT",
subjectaltname: "DNS:www.example.org, DNS:example.com, DNS:example.edu, DNS:example.net, DNS:example.org, DNS:www.example.com, DNS:www.example.edu, DNS:www.example.net",
};
chain1.issuerCertificate = chain2;
chain2.issuerCertificate = chain3;
chain3.issuerCertificate = chain4;
chain4.issuerCertificate = undefined;
const info = parseCertificateInfo(chain1);
expect(chain1).toEqual(info);
}, 5000);
});
describe("Test genSecret", () => {
@ -42,3 +163,4 @@ describe("Test reset-password", () => {
await require("../extra/reset-password").main();
}, 120000);
});

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