ObjXMPP  Check-in [58085da5c5]

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SHA3-256: 58085da5c55c67c39daf638f9a17dd76a98f0d5c376b32cc2fb56b7f59207de7
User & Date: js on 2012-01-26 12:35:05
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Context
2012-01-26
22:22
Add missing headers to Xcode project. check-in: 93de763475 user: js tags: trunk
12:35
Style improvements. check-in: 58085da5c5 user: js tags: trunk
12:34
Update Xcode project and reexport ObjOpenSSL. check-in: 42adbaeaf5 user: js tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Modified src/XMPPCallback.h from [d3b2ead060] to [e7183d6d5f].

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 */

#import <ObjFW/ObjFW.h>

@class XMPPIQ;

#ifdef OF_HAVE_BLOCKS
typedef void(^xmpp_callback_block)(XMPPIQ*);
#endif

@interface XMPPCallback: OFObject
{
	id object;
	SEL selector;
}

#ifdef OF_HAVE_BLOCKS
+ callbackWithCallbackBlock: (xmpp_callback_block)callback;
- initWithCallbackBlock: (xmpp_callback_block)callback;
#endif

+ callbackWithCallbackObject: (id)object
		    selector: (SEL)selector;
- initWithCallbackObject: (id)object
		selector: (SEL)selector;

- (void)runWithIQ: (XMPPIQ*)iq;
@end








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 */

#import <ObjFW/ObjFW.h>

@class XMPPIQ;

#ifdef OF_HAVE_BLOCKS
typedef void(^xmpp_callback_block_t)(XMPPIQ*);
#endif

@interface XMPPCallback: OFObject
{
	id object;
	SEL selector;
}

#ifdef OF_HAVE_BLOCKS
+ callbackWithCallbackBlock: (xmpp_callback_block_t)callback;
- initWithCallbackBlock: (xmpp_callback_block_t)callback;
#endif

+ callbackWithCallbackObject: (id)object
		    selector: (SEL)selector;
- initWithCallbackObject: (id)object
		selector: (SEL)selector;

- (void)runWithIQ: (XMPPIQ*)iq;
@end

Modified src/XMPPCallback.m from [00c028907e] to [d293755462].

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# include "config.h"
#endif

#import "XMPPCallback.h"

@implementation XMPPCallback
#ifdef OF_HAVE_BLOCKS
+ callbackWithCallbackBlock: (xmpp_callback_block)callback
{
	return [[[self alloc] initWithCallbackBlock: callback] autorelease];
}

- initWithCallbackBlock: (xmpp_callback_block)callback
{
	self = [super init];

	object = [callback copy];

	return self;
}








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# include "config.h"
#endif

#import "XMPPCallback.h"

@implementation XMPPCallback
#ifdef OF_HAVE_BLOCKS
+ callbackWithCallbackBlock: (xmpp_callback_block_t)callback
{
	return [[[self alloc] initWithCallbackBlock: callback] autorelease];
}

- initWithCallbackBlock: (xmpp_callback_block_t)callback
{
	self = [super init];

	object = [callback copy];

	return self;
}
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}

- initWithCallbackObject: (id)object_
		selector: (SEL)selector_
{
	self = [super init];

	// TODO: Retain or follow delegate paradigm?
	object = [object_ retain];
	selector = selector_;

	return self;
}

- (void)dealloc
{
	[object release];

	[super dealloc];
}

- (void)runWithIQ: (XMPPIQ*)iq
{
#ifdef OF_HAVE_BLOCKS
	if ([object isKindOfClass: [OFBlock class]])
		((xmpp_callback_block)object)(iq);
	else
#endif
		[object performSelector: selector
			     withObject: iq];
}
@end








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}

- initWithCallbackObject: (id)object_
		selector: (SEL)selector_
{
	self = [super init];


	object = object_;
	selector = selector_;

	return self;
}

- (void)dealloc
{


	[super dealloc];
}

- (void)runWithIQ: (XMPPIQ*)iq
{
#ifdef OF_HAVE_BLOCKS
	if ([object isKindOfClass: [OFBlock class]])
		((xmpp_callback_block_t)object)(iq);
	else
#endif
		[object performSelector: selector
			     withObject: iq];
}
@end

Modified src/XMPPConnection.m from [93e7490cdd] to [677aa509d2].

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	    @selector(connection:didSendElement:)])
		[delegate connection: self
		      didSendElement: element];

	[sock writeString: [element XMLString]];
}

-     (void)sendIQ: (XMPPIQ*)iq
withCallbackObject: (id)object
	  selector: (SEL)selector
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
	@try {
		if (![iq ID])
			[iq setID: [self generateStanzaID]];

		[callbacks setObject: [XMPPCallback
					 callbackWithCallbackObject: object
							   selector: selector]
			      forKey: [iq ID]];
	} @finally {
		[pool release];
	}

	[self sendStanza: iq];
}

#ifdef OF_HAVE_BLOCKS
-    (void)sendIQ: (XMPPIQ*)iq
withCallbackBlock: (xmpp_callback_block)callback;
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
	@try {
		if (![iq ID])
			[iq setID: [self generateStanzaID]];

		[callbacks setObject: [XMPPCallback








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	    @selector(connection:didSendElement:)])
		[delegate connection: self
		      didSendElement: element];

	[sock writeString: [element XMLString]];
}

-	(void)sendIQ: (XMPPIQ*)iq
  withCallbackObject: (id)object
	    selector: (SEL)selector
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
	@try {
		if (![iq ID])
			[iq setID: [self generateStanzaID]];

		[callbacks setObject: [XMPPCallback
					 callbackWithCallbackObject: object
							   selector: selector]
			      forKey: [iq ID]];
	} @finally {
		[pool release];
	}

	[self sendStanza: iq];
}

#ifdef OF_HAVE_BLOCKS
-      (void)sendIQ: (XMPPIQ*)iq
  withCallbackBlock: (xmpp_callback_block_t)callback;
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
	@try {
		if (![iq ID])
			[iq setID: [self generateStanzaID]];

		[callbacks setObject: [XMPPCallback
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	if (resource != nil)
		[bind addChild: [OFXMLElement elementWithName: @"resource"
						    namespace: XMPP_NS_BIND
						  stringValue: resource]];

	[iq addChild: bind];

	[self sendIQ: iq
  withCallbackObject: self
	    selector: @selector(XMPP_handleResourceBind:)];
}

- (void)XMPP_sendStreamError: (OFString*)condition
			text: (OFString*)text
{
	OFXMLElement *error = [OFXMLElement
	    elementWithName: @"error"








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	if (resource != nil)
		[bind addChild: [OFXMLElement elementWithName: @"resource"
						    namespace: XMPP_NS_BIND
						  stringValue: resource]];

	[iq addChild: bind];

	[self		sendIQ: iq
	    withCallbackObject: self
		      selector: @selector(XMPP_handleResourceBind:)];
}

- (void)XMPP_sendStreamError: (OFString*)condition
			text: (OFString*)text
{
	OFXMLElement *error = [OFXMLElement
	    elementWithName: @"error"
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{
	XMPPIQ *iq;

	iq = [XMPPIQ IQWithType: @"set"
			     ID: [self generateStanzaID]];
	[iq addChild: [OFXMLElement elementWithName: @"session"
					  namespace: XMPP_NS_SESSION]];
	[self sendIQ: iq
  withCallbackObject: self
	    selector: @selector(XMPP_handleSession:)];
}

- (void)XMPP_handleSession: (XMPPIQ*)iq
{
	if (![[iq type] isEqual: @"result"])
		assert(0);









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{
	XMPPIQ *iq;

	iq = [XMPPIQ IQWithType: @"set"
			     ID: [self generateStanzaID]];
	[iq addChild: [OFXMLElement elementWithName: @"session"
					  namespace: XMPP_NS_SESSION]];
	[self		sendIQ: iq
	    withCallbackObject: self
		      selector: @selector(XMPP_handleSession:)];
}

- (void)XMPP_handleSession: (XMPPIQ*)iq
{
	if (![[iq type] isEqual: @"result"])
		assert(0);
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Modified src/XMPPEXTERNALAuth.m from [aad38dee82] to [b61498fa1a].

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	return [[[self alloc] initWithAuthzid: authzid_
				      authcid: nil
				     password: nil] autorelease];
}

- (OFDataArray*)initialMessage
{
	OFDataArray *message = [OFDataArray dataArrayWithItemSize: 1];

	/* authzid */
	if (authzid)
		[message addItem: authzid];

	return message;
}








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	return [[[self alloc] initWithAuthzid: authzid_
				      authcid: nil
				     password: nil] autorelease];
}

- (OFDataArray*)initialMessage
{
	OFDataArray *message = [OFDataArray dataArray];

	/* authzid */
	if (authzid)
		[message addItem: authzid];

	return message;
}
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Modified src/XMPPPLAINAuth.m from [3b4c3d710b] to [755e5fff17].

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	return [[[self alloc] initWithAuthzid: authzid
				      authcid: authcid
				     password: password] autorelease];
}

- (OFDataArray*)initialMessage
{
	OFDataArray *message = [OFDataArray dataArrayWithItemSize: 1];

	/* authzid */
	if (authzid)
		[message addItem: authzid];

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








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	return [[[self alloc] initWithAuthzid: authzid
				      authcid: authcid
				     password: password] autorelease];
}

- (OFDataArray*)initialMessage
{
	OFDataArray *message = [OFDataArray dataArray];

	/* authzid */
	if (authzid)
		[message addItem: authzid];

	/* separator */
	[message addItem: ""];
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Modified src/XMPPPresence.m from [9d5fdb884e] to [929fa57282].

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				ID: ID_];
}

- (OFString*)type
{
	if (type == nil)
		return @"available";


}

- (void)addShow: (OFString*)show
{
	[self addChild: [OFXMLElement elementWithName: @"show"
					    namespace: XMPP_NS_CLIENT
					  stringValue: show]];








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				ID: ID_];
}

- (OFString*)type
{
	if (type == nil)
		return @"available";

	return type;
}

- (void)addShow: (OFString*)show
{
	[self addChild: [OFXMLElement elementWithName: @"show"
					    namespace: XMPP_NS_CLIENT
					  stringValue: show]];
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Modified src/XMPPSCRAMAuth.m from [50454e1c4a] to [8bb70cd016].

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		authcid = nil;

	[old release];
}

- (OFDataArray*)initialMessage
{
	OFDataArray *ret = [OFDataArray dataArrayWithItemSize: 1];

	/* New authentication attempt, reset status */
	[cNonce release];
	cNonce = nil;
	[GS2Header release];
	GS2Header = nil;
	[serverSignature release];








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		authcid = nil;

	[old release];
}

- (OFDataArray*)initialMessage
{
	OFDataArray *ret = [OFDataArray dataArray];

	/* New authentication attempt, reset status */
	[cNonce release];
	cNonce = nil;
	[GS2Header release];
	GS2Header = nil;
	[serverSignature release];
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	enum {
		GOT_SNONCE    = 0x01,
		GOT_SALT      = 0x02,
		GOT_ITERCOUNT = 0x04
	} got = 0;

	hash = [[[hashType alloc] init] autorelease];
	ret = [OFDataArray dataArrayWithItemSize: 1];
	authMessage = [OFDataArray dataArrayWithItemSize: 1];

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

	enumerator =
	    [[chal componentsSeparatedByString: @","] objectEnumerator];








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	enum {
		GOT_SNONCE    = 0x01,
		GOT_SALT      = 0x02,
		GOT_ITERCOUNT = 0x04
	} got = 0;

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

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

	enumerator =
	    [[chal componentsSeparatedByString: @","] objectEnumerator];
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		}
	}

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

	// Add c=<base64(GS2Header+channelBindingData)>
	tmpArray = [OFDataArray dataArrayWithItemSize: 1];
	[tmpArray addNItems: [GS2Header UTF8StringLength]
		 fromCArray: [GS2Header UTF8String]];
	if (plusAvailable && [connection encrypted]) {
		OFDataArray *channelBinding = [((SSLSocket*)[connection socket])
		    channelBindingDataWithType: @"tls-unique"];
		[tmpArray addNItems: [channelBinding count]
			 fromCArray: [channelBinding cArray]];








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		}
	}

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

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

	/*
	 * IETF RFC 5802:
	 * SaltedPassword := Hi(Normalize(password), salt, i)
	 */
	tmpArray = [OFDataArray dataArrayWithItemSize: 1];
	[tmpArray addNItems: [password UTF8StringLength]
		 fromCArray: [password UTF8String]];

	saltedPassword = [self XMPP_hiWithData: tmpArray
					  salt: salt
				iterationCount: iterCount];









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	[ret addNItems: [sNonce UTF8StringLength]
	    fromCArray: [sNonce UTF8String]];

	/*
	 * IETF RFC 5802:
	 * SaltedPassword := Hi(Normalize(password), salt, i)
	 */
	tmpArray = [OFDataArray dataArray];
	[tmpArray addNItems: [password UTF8StringLength]
		 fromCArray: [password UTF8String]];

	saltedPassword = [self XMPP_hiWithData: tmpArray
					  salt: salt
				iterationCount: iterCount];
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	[authMessage addNItems: [ret count]
		    fromCArray: [ret cArray]];

	/*
	 * IETF RFC 5802:
	 * ClientKey := HMAC(SaltedPassword, "Client Key")
	 */
	tmpArray = [OFDataArray dataArrayWithItemSize: 1];
	[tmpArray addNItems: 10
		 fromCArray: "Client Key"];
	clientKey = [self XMPP_HMACWithKey: saltedPassword
				      data: tmpArray];

	/*
	 * IETF RFC 5802:
	 * StoredKey := H(ClientKey)
	 */
	[hash updateWithBuffer: (void*) clientKey
			length: [hashType digestSize]];
	tmpArray = [OFDataArray dataArrayWithItemSize: 1];
	[tmpArray addNItems: [hashType digestSize]
		 fromCArray: [hash digest]];

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

	/*
	 * IETF RFC 5802:
	 * ServerKey := HMAC(SaltedPassword, "Server Key")
	 */
	tmpArray = [OFDataArray dataArrayWithItemSize: 1];
	[tmpArray addNItems: 10
		 fromCArray: "Server Key"];
	serverKey = [self XMPP_HMACWithKey: saltedPassword
				      data: tmpArray];

	/*
	 * IETF RFC 5802:
	 * ServerSignature := HMAC(ServerKey, AuthMessage)
	 */
	tmpArray = [OFDataArray dataArrayWithItemSize: 1];
	[tmpArray addNItems: [hashType digestSize]
		 fromCArray: serverKey];
	serverSignature = [[OFDataArray alloc] initWithItemSize: 1];
	[serverSignature addNItems: [hashType digestSize]
			fromCArray: [self XMPP_HMACWithKey: tmpArray
						      data: authMessage]];

	/*
	 * IETF RFC 5802:
	 * ClientProof := ClientKey XOR ClientSignature
	 */
	tmpArray = [OFDataArray dataArrayWithItemSize: 1];
	for (i = 0; i < [hashType digestSize]; i++) {
		uint8_t c = clientKey[i] ^ clientSignature[i];
		[tmpArray addItem: &c];
	}

	// Add p=<base64(ClientProof)>
	[ret addItem: ","];








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	[authMessage addNItems: [ret count]
		    fromCArray: [ret cArray]];

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

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

	/*
	 * 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 addNItems: 10
		 fromCArray: "Server Key"];
	serverKey = [self XMPP_HMACWithKey: saltedPassword
				      data: tmpArray];

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

	/*
	 * 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: ","];
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				    length: 64];
}

- (uint8_t*)XMPP_HMACWithKey: (OFDataArray*)key
			data: (OFDataArray*)data
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
	OFDataArray *k = [OFDataArray dataArrayWithItemSize: 1];
	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]








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				    length: 64];
}

- (uint8_t*)XMPP_HMACWithKey: (OFDataArray*)key
			data: (OFDataArray*)data
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
	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]
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		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 dataArrayWithItemSize: 1];
			[tmp addNItems: digestSize
			    fromCArray: uOld];

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

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

			uOld = u;

			[pool releaseObjects];
		}

		ret = [OFDataArray dataArrayWithItemSize: 1];
		[ret addNItems: digestSize
		    fromCArray: result];
	} @finally {
		[self freeMemory: result];
	}

	[ret retain];
	[pool release];

	return [ret autorelease];
}
@end








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		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 addNItems: digestSize
			    fromCArray: uOld];

			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 addNItems: digestSize
		    fromCArray: result];
	} @finally {
		[self freeMemory: result];
	}

	[ret retain];
	[pool release];

	return [ret autorelease];
}
@end