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tls: permit null as a pfx value
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Allow null along with undefined for pfx value.

This is to avoid breaking change when upgrading v14 to v16 and
3rd party library passing null to pfx

Fixes: nodejs#36292

PR-URL: nodejs#41170
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Filip Skokan <panva.ip@gmail.com>
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@CallMeLaNN @Linkgoron
CallMeLaNN authored and Linkgoron committed Jan 31, 2022
1 parent 467aa3f commit eaf8877
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Showing 2 changed files with 50 additions and 18 deletions.
40 changes: 22 additions & 18 deletions lib/internal/tls/secure-context.js
View file
Original file line number Diff line number Diff line change
Expand Up @@ -83,7 +83,7 @@ function validateKeyOrCertOption(name, value) {

function setKey(context, key, passphrase, name) {
validateKeyOrCertOption(`${name}.key`, key);
if (passphrase != null)
if (passphrase !== undefined && passphrase !== null)
validateString(passphrase, `${name}.passphrase`);
context.setKey(key, passphrase);
}
Expand Down Expand Up @@ -160,16 +160,20 @@ function configSecureContext(context, options = {}, name = 'options') {
if (ArrayIsArray(key)) {
for (let i = 0; i < key.length; ++i) {
const val = key[i];
// eslint-disable-next-line eqeqeq
const pem = (val != undefined && val.pem !== undefined ? val.pem : val);
setKey(context, pem, val.passphrase || passphrase, name);
const pem = (
val !== undefined && val !== null &&
val.pem !== undefined ? val.pem : val);
const pass = (
val !== undefined && val !== null &&
val.passphrase !== undefined ? val.passphrase : passphrase);
setKey(context, pem, pass, name);
}
} else {
setKey(context, key, passphrase, name);
}
}

if (sigalgs !== undefined) {
if (sigalgs !== undefined && sigalgs !== null) {
validateString(sigalgs, `${name}.sigalgs`);

if (sigalgs === '')
Expand All @@ -178,8 +182,8 @@ function configSecureContext(context, options = {}, name = 'options') {
context.setSigalgs(sigalgs);
}

if (privateKeyIdentifier !== undefined) {
if (privateKeyEngine === undefined) {
if (privateKeyIdentifier !== undefined && privateKeyIdentifier !== null) {
if (privateKeyEngine === undefined || privateKeyEngine === null) {
// Engine is required when privateKeyIdentifier is present
throw new ERR_INVALID_ARG_VALUE(`${name}.privateKeyEngine`,
privateKeyEngine);
Expand All @@ -198,16 +202,16 @@ function configSecureContext(context, options = {}, name = 'options') {
throw new ERR_CRYPTO_CUSTOM_ENGINE_NOT_SUPPORTED();
} else if (typeof privateKeyIdentifier !== 'string') {
throw new ERR_INVALID_ARG_TYPE(`${name}.privateKeyIdentifier`,
['string', 'undefined'],
['string', 'null', 'undefined'],
privateKeyIdentifier);
} else {
throw new ERR_INVALID_ARG_TYPE(`${name}.privateKeyEngine`,
['string', 'undefined'],
['string', 'null', 'undefined'],
privateKeyEngine);
}
}

if (ciphers != null)
if (ciphers !== undefined && ciphers !== null)
validateString(ciphers, `${name}.ciphers`);

// Work around an OpenSSL API quirk. cipherList is for TLSv1.2 and below,
Expand Down Expand Up @@ -237,14 +241,14 @@ function configSecureContext(context, options = {}, name = 'options') {
validateString(ecdhCurve, `${name}.ecdhCurve`);
context.setECDHCurve(ecdhCurve);

if (dhparam !== undefined) {
if (dhparam !== undefined && dhparam !== null) {
validateKeyOrCertOption(`${name}.dhparam`, dhparam);
const warning = context.setDHParam(dhparam);
if (warning)
process.emitWarning(warning, 'SecurityWarning');
}

if (crl !== undefined) {
if (crl !== undefined && crl !== null) {
if (ArrayIsArray(crl)) {
for (const val of crl) {
validateKeyOrCertOption(`${name}.crl`, val);
Expand All @@ -256,17 +260,17 @@ function configSecureContext(context, options = {}, name = 'options') {
}
}

if (sessionIdContext !== undefined) {
if (sessionIdContext !== undefined && sessionIdContext !== null) {
validateString(sessionIdContext, `${name}.sessionIdContext`);
context.setSessionIdContext(sessionIdContext);
}

if (pfx !== undefined) {
if (pfx !== undefined && pfx !== null) {
if (ArrayIsArray(pfx)) {
ArrayPrototypeForEach(pfx, (val) => {
const raw = val.buf ? val.buf : val;
const pass = val.passphrase || passphrase;
if (pass !== undefined) {
if (pass !== undefined && pass !== null) {
context.loadPKCS12(toBuf(raw), toBuf(pass));
} else {
context.loadPKCS12(toBuf(raw));
Expand All @@ -284,13 +288,13 @@ function configSecureContext(context, options = {}, name = 'options') {
throw new ERR_CRYPTO_CUSTOM_ENGINE_NOT_SUPPORTED();
else
context.setClientCertEngine(clientCertEngine);
} else if (clientCertEngine !== undefined) {
} else if (clientCertEngine !== undefined && clientCertEngine !== null) {
throw new ERR_INVALID_ARG_TYPE(`${name}.clientCertEngine`,
['string', 'null', 'undefined'],
clientCertEngine);
}

if (ticketKeys !== undefined) {
if (ticketKeys !== undefined && ticketKeys !== null) {
if (!isArrayBufferView(ticketKeys)) {
throw new ERR_INVALID_ARG_TYPE(
`${name}.ticketKeys`,
Expand All @@ -306,7 +310,7 @@ function configSecureContext(context, options = {}, name = 'options') {
context.setTicketKeys(ticketKeys);
}

if (sessionTimeout !== undefined) {
if (sessionTimeout !== undefined && sessionTimeout !== null) {
validateInt32(sessionTimeout, `${name}.sessionTimeout`);
context.setSessionTimeout(sessionTimeout);
}
Expand Down
28 changes: 28 additions & 0 deletions test/parallel/test-tls-connect-secure-context.js
View file
Original file line number Diff line number Diff line change
Expand Up @@ -23,3 +23,31 @@ connect({
assert.ifError(err);
return cleanup();
});

connect({
client: {
servername: 'agent1',
secureContext: tls.createSecureContext({
ca: keys.agent1.ca,
ciphers: null,
clientCertEngine: null,
crl: null,
dhparam: null,
passphrase: null,
pfx: null,
privateKeyIdentifier: null,
privateKeyEngine: null,
sessionIdContext: null,
sessionTimeout: null,
sigalgs: null,
ticketKeys: null,
}),
},
server: {
cert: keys.agent1.cert,
key: keys.agent1.key,
},
}, function(err, pair, cleanup) {
assert.ifError(err);
return cleanup();
});

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