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Add VeNCrypt Plain authentication tests 

This change adds tests for the VeNCrypt Plain authentication. In doing
that, this also fixes a typo that was introduced in a recent change.
This commit is contained in:
lhchavez 2021-03-13 05:40:38 -08:00
parent 9ca337d3a8
commit f9a8c4ccd5
2 changed files with 98 additions and 2 deletions
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4
core/rfb.js
View File

@ -1455,13 +1455,13 @@ export default class RFB extends EventTargetMixin {
this._sock.send([
(user.length >> 24) & 0xFF,
(user.length >> 16) & 0xFF,
(user.legnth >> 8) & 0xFF,
(user.length >> 8) & 0xFF,
user.length & 0xFF
]);
this._sock.send([
(pass.length >> 24) & 0xFF,
(pass.length >> 16) & 0xFF,
(pass.legnth >> 8) & 0xFF,
(pass.length >> 8) & 0xFF,
pass.length & 0xFF
]);
this._sock.sendString(user);

96
tests/test.rfb.js
View File

@ -1378,6 +1378,102 @@ describe('Remote Frame Buffer Protocol Client', function () {
expect(client._fail).to.have.been.calledOnce;
});
});
describe('VeNCrypt Authentication (type 19) Handler', function () {
beforeEach(function () {
client._rfbInitState = 'Security';
client._rfbVersion = 3.8;
sendSecurity(19, client);
expect(client._sock).to.have.sent(new Uint8Array([19]));
});
it('should fail with non-0.2 versions', function () {
sinon.spy(client, "_fail");
client._sock._websocket._receiveData(new Uint8Array([0, 1]));
expect(client._fail).to.have.been.calledOnce;
});
it('should fail if the Plain authentication is not present', function () {
// VeNCrypt version
client._sock._websocket._receiveData(new Uint8Array([0, 2]));
expect(client._sock).to.have.sent(new Uint8Array([0, 2]));
// Server ACK.
client._sock._websocket._receiveData(new Uint8Array([0]));
// Subtype list, only list subtype 1.
sinon.spy(client, "_fail");
client._sock._websocket._receiveData(new Uint8Array([1, 0, 0, 0, 1]));
expect(client._fail).to.have.been.calledOnce;
});
it('should support Plain authentication', function () {
client._rfbCredentials = { username: 'username', password: 'password' };
// VeNCrypt version
client._sock._websocket._receiveData(new Uint8Array([0, 2]));
expect(client._sock).to.have.sent(new Uint8Array([0, 2]));
// Server ACK.
client._sock._websocket._receiveData(new Uint8Array([0]));
// Subtype list.
client._sock._websocket._receiveData(new Uint8Array([1, 0, 0, 1, 0]));
const expectedResponse = [];
push32(expectedResponse, 256); // Chosen subtype.
push32(expectedResponse, client._rfbCredentials.username.length);
push32(expectedResponse, client._rfbCredentials.password.length);
pushString(expectedResponse, client._rfbCredentials.username);
pushString(expectedResponse, client._rfbCredentials.password);
expect(client._sock).to.have.sent(new Uint8Array(expectedResponse));
client._initMsg = sinon.spy();
client._sock._websocket._receiveData(new Uint8Array([0, 0, 0, 0]));
expect(client._initMsg).to.have.been.called;
});
it('should support Plain authentication with an empty password', function () {
client._rfbCredentials = { username: 'username', password: '' };
// VeNCrypt version
client._sock._websocket._receiveData(new Uint8Array([0, 2]));
expect(client._sock).to.have.sent(new Uint8Array([0, 2]));
// Server ACK.
client._sock._websocket._receiveData(new Uint8Array([0]));
// Subtype list.
client._sock._websocket._receiveData(new Uint8Array([1, 0, 0, 1, 0]));
const expectedResponse = [];
push32(expectedResponse, 256); // Chosen subtype.
push32(expectedResponse, client._rfbCredentials.username.length);
push32(expectedResponse, client._rfbCredentials.password.length);
pushString(expectedResponse, client._rfbCredentials.username);
pushString(expectedResponse, client._rfbCredentials.password);
expect(client._sock).to.have.sent(new Uint8Array(expectedResponse));
client._initMsg = sinon.spy();
client._sock._websocket._receiveData(new Uint8Array([0, 0, 0, 0]));
expect(client._initMsg).to.have.been.called;
});
it('should support Plain authentication with a very long username and password', function () {
client._rfbCredentials = { username: 'a'.repeat(300), password: 'a'.repeat(300) };
// VeNCrypt version
client._sock._websocket._receiveData(new Uint8Array([0, 2]));
expect(client._sock).to.have.sent(new Uint8Array([0, 2]));
// Server ACK.
client._sock._websocket._receiveData(new Uint8Array([0]));
// Subtype list.
client._sock._websocket._receiveData(new Uint8Array([1, 0, 0, 1, 0]));
const expectedResponse = [];
push32(expectedResponse, 256); // Chosen subtype.
push32(expectedResponse, client._rfbCredentials.username.length);
push32(expectedResponse, client._rfbCredentials.password.length);
pushString(expectedResponse, client._rfbCredentials.username);
pushString(expectedResponse, client._rfbCredentials.password);
expect(client._sock).to.have.sent(new Uint8Array(expectedResponse));
client._initMsg = sinon.spy();
client._sock._websocket._receiveData(new Uint8Array([0, 0, 0, 0]));
expect(client._initMsg).to.have.been.called;
});
});
});
describe('SecurityResult', function () {