ObjXMPP  Check-in [e33c8d554c]

- (void)addDelegate: (id)delegate
{
	[delegates addItem: &delegate];
}

- (void)removeDelegate: (id)delegate
{
	id *cArray = [delegates cArray];
	id *cArray = [delegates items];
	size_t i, count = [delegates count];

	for (i = 0; i < count; i++) {
		if (cArray[i] == delegate) {
			[delegates removeItemAtIndex: i];
			return;
		}
	}
}

- (BOOL)broadcastSelector: (SEL)selector
	       withObject: (id)object
{
	id *cArray = [delegates cArray];
	id *cArray = [delegates items];
	size_t i, count = [delegates count];
	BOOL handled = NO;

	for (i = 0; i < count; i++) {
		if (![cArray[i] respondsToSelector: selector])
			continue;

		BOOL (*imp)(id, SEL, id) = (BOOL(*)(id, SEL, id))
		    [cArray[i] methodForSelector: selector];

		handled |= imp(cArray[i], selector, object);
	}

	return handled;
}

- (BOOL)broadcastSelector: (SEL)selector
	       withObject: (id)object1
	       withObject: (id)object2
{
	id *cArray = [delegates cArray];
	id *cArray = [delegates items];
	size_t i, count = [delegates count];
	BOOL handled = NO;

	for (i = 0; i < count; i++) {
		if (![cArray[i] respondsToSelector: selector])
			continue;

	if (authzid)
		[message addItem: authzid];

	/* separator */
	[message addItem: ""];

	/* authcid */
	[message addItemsFromCArray: [authcid UTF8String]
			      count: [authcid UTF8StringLength]];
	[message addItems: [authcid UTF8String]
		    count: [authcid UTF8StringLength]];

	/* separator */
	[message addItem: ""];

	/* passwd */
	[message addItemsFromCArray: [password UTF8String]
			      count: [password UTF8StringLength]];
	[message addItems: [password UTF8String]
		    count: [password UTF8StringLength]];

	return message;
}
@end

	[clientFirstMessageBare release];
	clientFirstMessageBare = nil;
	clientFirstMessageBare = [[OFString alloc] initWithFormat: @"n=%@,r=%@",
								   authcid,
								   cNonce];

	[ret addItemsFromCArray: [GS2Header UTF8String]
			  count: [GS2Header UTF8StringLength]];
	[ret addItems: [GS2Header UTF8String]
		count: [GS2Header UTF8StringLength]];

	[ret addItemsFromCArray: [clientFirstMessageBare UTF8String]
			  count: [clientFirstMessageBare UTF8StringLength]];
	[ret addItems: [clientFirstMessageBare UTF8String]
		count: [clientFirstMessageBare UTF8StringLength]];


	return ret;
}

- (OFDataArray*)continueWithData: (OFDataArray*)data
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];

		GOT_ITERCOUNT = 0x04
	} got = 0;

	hash = [[[hashType alloc] init] autorelease];
	ret = [OFDataArray dataArray];
	authMessage = [OFDataArray dataArray];

	OFString *chal = [OFString stringWithUTF8String: [data cArray]
	OFString *chal = [OFString stringWithUTF8String: [data items]
						 length: [data count] *
							 [data itemSize]];

	enumerator =
	    [[chal componentsSeparatedByString: @","] objectEnumerator];
	while ((comp = [enumerator nextObject]) != nil) {
		OFString *entry = [comp substringWithRange:

	if (got != (GOT_SNONCE | GOT_SALT | GOT_ITERCOUNT))
		@throw [OFInvalidServerReplyException
		    exceptionWithClass: [self class]];

	// Add c=<base64(GS2Header+channelBindingData)>
	tmpArray = [OFDataArray dataArray];
	[tmpArray addItemsFromCArray: [GS2Header UTF8String]
			       count: [GS2Header UTF8StringLength]];
	[tmpArray addItems: [GS2Header UTF8String]
		     count: [GS2Header UTF8StringLength]];
	if (plusAvailable && [connection encrypted]) {
		OFDataArray *channelBinding = [((SSLSocket*)[connection socket])
		    channelBindingDataWithType: @"tls-unique"];
		[tmpArray addItemsFromCArray: [channelBinding cArray]
				       count: [channelBinding count]];
		[tmpArray addItems: [channelBinding items]
			     count: [channelBinding count]];
	}
	tmpString = [tmpArray stringByBase64Encoding];
	[ret addItemsFromCArray: "c="
			  count: 2];
	[ret addItemsFromCArray: [tmpString UTF8String]
			  count: [tmpString UTF8StringLength]];
	[ret addItems: "c="
		count: 2];
	[ret addItems: [tmpString UTF8String]
		count: [tmpString UTF8StringLength]];

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

	/*
	 * IETF RFC 5802:
	 * SaltedPassword := Hi(Normalize(password), salt, i)
	 */
	tmpArray = [OFDataArray dataArray];
	[tmpArray addItemsFromCArray: [password UTF8String]
			       count: [password UTF8StringLength]];
	[tmpArray addItems: [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 addItemsFromCArray: [clientFirstMessageBare UTF8String]
				  count: [clientFirstMessageBare
	[authMessage addItems: [clientFirstMessageBare UTF8String]
			count: [clientFirstMessageBare UTF8StringLength]];
					     UTF8StringLength]];
	[authMessage addItem: ","];
	[authMessage addItemsFromCArray: [data cArray]
				  count: [data count] * [data itemSize]];
	[authMessage addItems: [data items]
			count: [data count] * [data itemSize]];
	[authMessage addItem: ","];
	[authMessage addItemsFromCArray: [ret cArray]
				  count: [ret count]];
	[authMessage addItems: [ret items]
			count: [ret count]];

	/*
	 * IETF RFC 5802:
	 * ClientKey := HMAC(SaltedPassword, "Client Key")
	 */
	tmpArray = [OFDataArray dataArray];
	[tmpArray addItemsFromCArray: "Client Key"
			       count: 10];
	[tmpArray addItems: "Client Key"
		     count: 10];
	clientKey = [self XMPP_HMACWithKey: saltedPassword
				      data: tmpArray];

	/*
	 * IETF RFC 5802:
	 * StoredKey := H(ClientKey)
	 */
	[hash updateWithBuffer: (void*) clientKey
			length: [hashType digestSize]];
	tmpArray = [OFDataArray dataArray];
	[tmpArray addItemsFromCArray: [hash digest]
			       count: [hashType digestSize]];
	[tmpArray addItems: [hash digest]
		     count: [hashType digestSize]];

	/*
	 * IETF RFC 5802:
	 * ClientSignature := HMAC(StoredKey, AuthMessage)
	 */
	clientSignature = [self XMPP_HMACWithKey: tmpArray
					    data: authMessage];

	/*
	 * IETF RFC 5802:
	 * ServerKey := HMAC(SaltedPassword, "Server Key")
	 */
	tmpArray = [OFDataArray dataArray];
	[tmpArray addItemsFromCArray: "Server Key"
			       count: 10];
	[tmpArray addItems: "Server Key"
		     count: 10];
	serverKey = [self XMPP_HMACWithKey: saltedPassword
				      data: tmpArray];

	/*
	 * IETF RFC 5802:
	 * ServerSignature := HMAC(ServerKey, AuthMessage)
	 */
	tmpArray = [OFDataArray dataArray];
	[tmpArray addItemsFromCArray: serverKey
			       count: [hashType digestSize]];
	[tmpArray addItems: serverKey
		     count: [hashType digestSize]];
	serverSignature = [[OFDataArray alloc] init];
	[serverSignature addItemsFromCArray: [self
	[serverSignature addItems: [self XMPP_HMACWithKey: tmpArray
						 XMPP_HMACWithKey: tmpArray
							     data: authMessage]
				      count: [hashType digestSize]];
						     data: authMessage]
			    count: [hashType digestSize]];

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

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

	return ret;
}

- (OFDataArray*)XMPP_parseServerFinalMessage: (OFDataArray*)data
{
	OFString *mess, *value;

	/*
	 * server-final-message already received,
	 * we were just waiting for the last word from the server
	 */
	if (authenticated)
		return nil;

	mess = [OFString stringWithUTF8String: [data cArray]
	mess = [OFString stringWithUTF8String: [data items]
				       length: [data count] *
					       [data itemSize]];
	value = [mess substringWithRange: of_range(2, [mess length] - 2)];

	if ([mess hasPrefix: @"v="]) {
		if (![value isEqual: [serverSignature stringByBase64Encoding]])
			@throw [XMPPAuthFailedException

	OFDataArray *k = [OFDataArray dataArray];
	size_t i, kSize, blockSize = [hashType blockSize];
	uint8_t *kI = NULL, *kO = NULL;
	OFHash *hashI, *hashO;

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

	@try {
		kI = [self allocMemoryWithSize: blockSize];
		kO = [self allocMemoryWithSize: blockSize];

		kSize = [k count];
		memcpy(kI, [k cArray], kSize);
		memcpy(kI, [k items], kSize);
		memset(kI + kSize, 0, blockSize - kSize);
		memcpy(kO, kI, blockSize);

		for (i = 0; i < blockSize; i++) {
			kI[i] ^= HMAC_IPAD;
			kO[i] ^= HMAC_OPAD;
		}

		hashI = [[[hashType alloc] init] autorelease];
		[hashI updateWithBuffer: (char*)kI
				 length: blockSize];
		[hashI updateWithBuffer: [data cArray]
		[hashI updateWithBuffer: [data items]
				 length: [data itemSize] * [data count]];

		hashO = [[[hashType alloc] init] autorelease];
		[hashO updateWithBuffer: (char*)kO
				 length: blockSize];
		[hashO updateWithBuffer: (char*)[hashI digest]
				 length: [hashType digestSize]];

	result = [self allocMemoryWithSize: digestSize];

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

		salty = [[salt_ copy] autorelease];
		[salty addItemsFromCArray: "\0\0\0\1"
				    count: 4];
		[salty addItems: "\0\0\0\1"
			  count: 4];

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

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

		for (j = 0; j < i - 1; j++) {
			tmp = [OFDataArray dataArray];
			[tmp addItemsFromCArray: uOld
					  count: digestSize];
			[tmp addItems: uOld
				count: digestSize];

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

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

			uOld = u;

			[pool releaseObjects];
		}

		ret = [OFDataArray dataArray];
		[ret addItemsFromCArray: result
				  count: digestSize];
		[ret addItems: result
			count: digestSize];
	} @finally {
		[self freeMemory: result];
	}

	[ret retain];
	[pool release];

	return [ret autorelease];
}
@end

		if (res_ninit(&resState))
			@throw [OFAddressTranslationFailedException
			    exceptionWithClass: [self class]
					socket: nil
					  host: domain];

		answer = [self allocMemoryWithSize: of_pagesize];
		answerLen = res_nsearch(&resState, [request cStringWithEncoding:
		    OF_STRING_ENCODING_NATIVE], ns_c_in, ns_t_srv, answer,
		    (int)of_pagesize);
		answerLen = res_nsearch(&resState,
		    [request cStringUsingEncoding: OF_STRING_ENCODING_NATIVE],
		    ns_c_in, ns_t_srv, answer, (int)of_pagesize);

		if ((answerLen == -1) && ((h_errno == HOST_NOT_FOUND) ||
		    (h_errno == NO_DATA)))
			return;

		if (answerLen < 1 || answerLen > of_pagesize) {
			@throw [OFAddressTranslationFailedException