199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
|
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
-
+
+
+
+
+
-
+
-
+
|
0x80 | ((charcode >> 6) & 0x3f),
0x80 | (charcode & 0x3f));
}
}
return utf8;
}
function cackeySSHAgentDecodeFromUTF8Array(inputArray) {
var hexString;
var output;
hexString = cackeySSHAgentEncodeBinaryToHex(inputArray, "%");
output = decodeURIComponent(hexString)
return(output);
}
function cackeySSHAgentEncodeString(string) {
var result;
result = cackeySSHAgentEncodeLV(cackeySSHAgentEncodeToUTF8Array(string));
return(result);
}
function cackeySSHAgentDecodeString(input) {
var output;
output = cackeySSHAgentDecodeLV(input);
output.value = cackeySSHAgentDecodeFromUTF8Array(output.value);
return(output);
}
function cackeySSHAgentEncodeBinaryToHex(binaryString) {
function cackeySSHAgentEncodeBinaryToHex(binaryString, prefix) {
var buffer;
if (!prefix) {
prefix = "";
}
switch (typeof(binaryString)) {
case "string":
buffer = binaryString.split("").map(function(c) {
return(c.charCodeAt(0).toString(16).padStart(2, '0'));
return(prefix + c.charCodeAt(0).toString(16).padStart(2, '0'));
}).join("");
break;
default:
buffer = [];
new Uint8Array(binaryString).map(function(c) {
buffer.push(c.toString(16).padStart(2, '0'));
buffer.push(prefix + c.toString(16).padStart(2, '0'));
});
buffer = buffer.join("");
break;
}
return(buffer);
}
|
329
330
331
332
333
334
335
336
337
338
339
340
341
342
|
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
|
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
|
};
}
return(result);
}
function cackeySSHAgentDecodeCert(requestArray) {
var type;
var decodeError;
var publicKeyType, publicKeyBlob;
var output;
try {
type = cackeySSHAgentDecodeString(requestArray);
} catch (decodeError) {
/*
* x509v3-sign-rsa requests are un-prefixed :-(
*/
type = {}
type.value = requestArray;
type.output = [];
}
/* It might be an x509v3-sign-rsa, which is unprefixed -- try to guess */
if (type.value[0] == 0x30) {
type = "x509v3-sign-rsa";
} else {
requestArray = type.output;
type = type.value;
}
switch (type) {
case "ssh-rsa":
case "x509v3-sign-rsa":
publicKeyType = "RSA";
publicKeyBlob = requestArray;
break;
case "x509v3-ssh-rsa":
publicKeyType = "RSA";
publicKeyBlob = cackeySSHAgentDecodeArray(requestArray).value[0];
break;
}
output = {
publicKeyType: publicKeyType,
publicKeyBlob: publicKeyBlob
};
return(output);
}
function cackeySSHAgentCompareRequestAndKey(key1, key2) {
var ignoredError;
try {
key1 = cackeySSHAgentDecodeCert(key1);
key2 = cackeySSHAgentDecodeCert(key2);
} catch (ignoredError) {
return(false);
}
if (key1.publicKeyType !== key2.publicKeyType) {
return(false);
}
if (key1.publicKeyBlob.join(",") === key2.publicKeyBlob.join(",")) {
return(true);
}
return(false);
}
/*
* Command Handlers
*/
async function cackeySSHAgentCommandRequestIdentity(request) {
var response;
|
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
|
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
|
+
+
+
+
-
+
|
* Find the certificate that matches the requested key
*/
certs = await cackeySSHAgentGetCertificates();
certToUse = null;
cackeySSHAgentGetSSHKeyTypes().forEach(function(sshKeyType) {
certs.forEach(function(cert) {
var key;
if (certToUse) {
return;
}
key = cackeySSHAgentEncodeCertToKeyAndID(cert.certificate, sshKeyType);
if (key.key.join() == keyInfo.join()) {
if (cackeySSHAgentCompareRequestAndKey(key.key, keyInfo)) {
certToUse = cert;
certToUseType = key.publicKeyType;
}
});
});
/*
|