ObjXMPP  Diff

Annotate Patch Side-by-side Diff

Differences From Artifact [b14abcbfc5]:

To Artifact [07128503d9]:

︙
33
34
35
36
37
38
39
40

41
42
43
44
45
46
47
48

33
34
35
36
37
38
39

40

41
42
43
44
45
46
47








-
+
-








#import "XMPPExceptions.h"

#define HMAC_IPAD 0x36
#define HMAC_OPAD 0x5c

@interface XMPPSCRAMAuth ()
- (OFString *)xmpp_genNonce;
- (const uint8_t *)xmpp_HMACWithKey: (OFData *)key
- (const uint8_t *)xmpp_HMACWithKey: (OFData *)key data: (OFData *)data;
			       data: (OFData *)data;
- (OFData *)xmpp_hiWithData: (OFData *)str
		       salt: (OFData *)salt
	     iterationCount: (intmax_t)i;
- (OFData *)xmpp_parseServerFirstMessage: (OFData *)data;
- (OFData *)xmpp_parseServerFinalMessage: (OFData *)data;
@end
︙
133
134
135
136
137
138
139
140

141
142

143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158

159
160

161
162
163
164
165
166
167
168

132
133
134
135
136
137
138

139


140

141
142
143
144
145
146
147
148
149
150
151
152
153
154

155


156

157
158
159
160
161
162
163








-
+
-
-
+
-














-
+
-
-
+
-









- (void)setAuthzid: (OFString *)authzid
{
	OFString *old = _authzid;

	if (authzid) {
		OFMutableString *new = [[authzid mutableCopy] autorelease];
		[new replaceOccurrencesOfString: @"="
		[new replaceOccurrencesOfString: @"=" withString: @"=3D"];
				     withString: @"=3D"];
		[new replaceOccurrencesOfString: @","
		[new replaceOccurrencesOfString: @"," withString: @"=2C"];
				     withString: @"=2C"];
		[new makeImmutable];
		_authzid = [new copy];
	} else
		_authzid = nil;

	[old release];
}

- (void)setAuthcid: (OFString *)authcid
{
	OFString *old = _authcid;

	if (authcid) {
		OFMutableString *new = [[authcid mutableCopy] autorelease];
		[new replaceOccurrencesOfString: @"="
		[new replaceOccurrencesOfString: @"=" withString: @"=3D"];
				     withString: @"=3D"];
		[new replaceOccurrencesOfString: @","
		[new replaceOccurrencesOfString: @"," withString: @"=2C"];
				     withString: @"=2C"];
		[new makeImmutable];
		_authcid = [new copy];
	} else
		_authcid = nil;

	[old release];
}
︙
277
278
279
280
281
282
283
284

285
286

287
288
289
290
291

292
293

294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315

316
317
318

319
320
321
322
323
324

325
326


327
328
329
330
331
332
333
334

272
273
274
275
276
277
278

279


280

281
282
283

284


285

286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305

306

307

308

309
310
311
312
313
314


315
316

317
318
319
320
321
322
323








-
+
-
-
+
-



-
+
-
-
+
-




















-
+
-

-
+
-





+
-
-
+
+
-








	if (_plusAvailable && _connection.encrypted) {
		OFData *channelBinding = [((SSLSocket *)[_connection socket])
		    channelBindingDataWithType: @"tls-unique"];
		[tmpArray addItems: channelBinding.items
			     count: channelBinding.count];
	}
	tmpString = tmpArray.stringByBase64Encoding;
	[ret addItems: "c="
	[ret addItems: "c=" count: 2];
		count: 2];
	[ret addItems: tmpString.UTF8String
	[ret addItems: tmpString.UTF8String count: tmpString.UTF8StringLength];
		count: tmpString.UTF8StringLength];

	// Add r=<nonce>
	[ret addItem: ","];
	[ret addItems: "r="
	[ret addItems: "r=" count: 2];
		count: 2];
	[ret addItems: sNonce.UTF8String
	[ret addItems: sNonce.UTF8String count: sNonce.UTF8StringLength];
		count: sNonce.UTF8StringLength];

	/*
	 * IETF RFC 5802:
	 * SaltedPassword := Hi(Normalize(password), salt, i)
	 */
	tmpArray = [OFMutableData dataWithItems: _password.UTF8String
					  count: _password.UTF8StringLength];
	saltedPassword = [self xmpp_hiWithData: tmpArray
					  salt: salt
				iterationCount: iterCount];

	/*
	 * IETF RFC 5802:
	 * AuthMessage := client-first-message-bare + "," +
	 *		  server-first-message + "," +
	 *		  client-final-message-without-proof
	 */
	[authMessage addItems: _clientFirstMessageBare.UTF8String
			count: _clientFirstMessageBare.UTF8StringLength];
	[authMessage addItem: ","];
	[authMessage addItems: data.items
	[authMessage addItems: data.items count: data.count * data.itemSize];
			count: data.count * data.itemSize];
	[authMessage addItem: ","];
	[authMessage addItems: ret.items
	[authMessage addItems: ret.items count: ret.count];
			count: ret.count];

	/*
	 * IETF RFC 5802:
	 * ClientKey := HMAC(SaltedPassword, "Client Key")
	 */
	clientKey = [self
	clientKey = [self xmpp_HMACWithKey: saltedPassword
				      data: [OFData dataWithItems: "Client Key"
	    xmpp_HMACWithKey: saltedPassword
			data: [OFData dataWithItems: "Client Key" count: 10]];
							    count: 10]];

	/*
	 * IETF RFC 5802:
	 * StoredKey := H(ClientKey)
	 */
	[hash updateWithBuffer: (void *)clientKey
			length: [_hashType digestSize]];
︙
342
343
344
345
346
347
348

349
350


351
352
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

331
332
333
334
335
336
337
338


339
340

341
342
343
344
345
346
347
348
349
350

351

352
353
354
355
356
357
358
359
360
361
362
363
364
365

366

367

368

369
370
371
372
373
374
375








+
-
-
+
+
-










-
+
-














-
+
-

-
+
-








					      count: hash.digestSize]
			data: authMessage];

	/*
	 * IETF RFC 5802:
	 * ServerKey := HMAC(SaltedPassword, "Server Key")
	 */
	serverKey = [self
	serverKey = [self xmpp_HMACWithKey: saltedPassword
				      data: [OFData dataWithItems: "Server Key"
	    xmpp_HMACWithKey: saltedPassword
			data: [OFData dataWithItems: "Server Key" count: 10]];
							    count: 10]];

	/*
	 * IETF RFC 5802:
	 * ServerSignature := HMAC(ServerKey, AuthMessage)
	 */
	tmpArray = [OFMutableData dataWithItems: serverKey
					  count: [_hashType digestSize]];

	[_serverSignature release];
	_serverSignature = [[OFData alloc]
	    initWithItems: [self xmpp_HMACWithKey: tmpArray
	    initWithItems: [self xmpp_HMACWithKey: tmpArray data: authMessage]
					     data: authMessage]
		    count: [_hashType digestSize]];

	/*
	 * IETF RFC 5802:
	 * ClientProof := ClientKey XOR ClientSignature
	 */
	tmpArray = [OFMutableData dataWithCapacity: [_hashType digestSize]];
	for (i = 0; i < [_hashType digestSize]; i++) {
		uint8_t c = clientKey[i] ^ clientSignature[i];
		[tmpArray addItem: &c];
	}

	// Add p=<base64(ClientProof)>
	[ret addItem: ","];
	[ret addItems: "p="
	[ret addItems: "p=" count: 2];
		count: 2];
	tmpString = tmpArray.stringByBase64Encoding;
	[ret addItems: tmpString.UTF8String
	[ret addItems: tmpString.UTF8String count: tmpString.UTF8StringLength];
		count: tmpString.UTF8StringLength];

	return ret;
}

- (OFData *)xmpp_parseServerFinalMessage: (OFData *)data
{
	OFString *mess, *value;
︙
443
444
445
446
447
448
449
450

451
452
453

454
455
456
457
458
459
460
461

429
430
431
432
433
434
435

436

437

438

439
440
441
442
443
444
445








-
+
-

-
+
-








	uint8_t *kI = NULL, *kO = NULL;
	id <OFCryptographicHash> hashI, hashO;

	if (key.itemSize * key.count > blockSize) {
		hashI = [[[_hashType alloc] init] autorelease];
		[hashI updateWithBuffer: key.items
				 length: key.itemSize * key.count];
		[k addItems: hashI.digest
		[k addItems: hashI.digest count: hashI.digestSize];
		      count: hashI.digestSize];
	} else
		[k addItems: key.items
		[k addItems: key.items count: key.itemSize * key.count];
		      count: key.itemSize * key.count];

	@try {
		kI = OFAllocMemory(1, blockSize);
		kO = OFAllocMemory(1, blockSize);

		kSize = k.count;
		memcpy(kI, k.items, kSize);
︙
504
505
506
507
508
509
510
511

512
513
514
515
516
517
518
519

520
521
522
523
524
525
526
527

528
529
530
531
532
533
534
535
536

537
538
539
540
541
542
543
544
545
546
547
548

488
489
490
491
492
493
494

495

496
497
498
499
500
501

502

503
504
505
506
507
508

509

510
511
512
513
514
515
516

517

518
519
520
521
522
523
524
525
526
527
528








-
+
-






-
+
-






-
+
-







-
+
-












	@try {
		memset(result, 0, digestSize);

		salty = [[salt mutableCopy] autorelease];
		[salty addItems: "\0\0\0\1"
			  count: 4];

		uOld = [self xmpp_HMACWithKey: str
		uOld = [self xmpp_HMACWithKey: str data: salty];
					 data: salty];

		for (j = 0; j < digestSize; j++)
			result[j] ^= uOld[j];

		for (j = 0; j < i - 1; j++) {
			tmp = [[OFMutableData alloc] init];
			[tmp addItems: uOld
			[tmp addItems: uOld count: digestSize];
				count: digestSize];

			/* releases uOld and previous tmp */
			objc_autoreleasePoolPop(pool);
			pool = objc_autoreleasePoolPush();
			[tmp autorelease];

			u = [self xmpp_HMACWithKey: str
			u = [self xmpp_HMACWithKey: str data: tmp];
					      data: tmp];

			for (k = 0; k < digestSize; k++)
				result[k] ^= u[k];

			uOld = u;
		}

		ret = [OFData dataWithItems: result
		ret = [OFData dataWithItems: result count: digestSize];
				      count: digestSize];
	} @finally {
		OFFreeMemory(result);
	}

	[ret retain];

	objc_autoreleasePoolPop(pool);

	return [ret autorelease];
}
@end
Fossil 2.23 [47362306a7] 2023-11-01 18:56:47
This page was generated in about 0.026s