ObjXMPP  Check-in [543fb8b84d]

	if (username != nil) {
		char *node;
		Stringprep_rc rc;

		if ((rc = stringprep_profile([username UTF8String], &node,
		    "SASLprep", 0)) != STRINGPREP_OK)
			@throw [XMPPStringPrepFailedException
			    exceptionWithClass: [self class]
				    connection: self
				       profile: @"SASLprep"
					string: username];

		@try {
			_username = [[OFString alloc] initWithUTF8String: node];
		} @finally {
			free(node);
		}
	} else

	if (resource != nil) {
		char *res;
		Stringprep_rc rc;

		if ((rc = stringprep_profile([resource UTF8String], &res,
		    "Resourceprep", 0)) != STRINGPREP_OK)
			@throw [XMPPStringPrepFailedException
			    exceptionWithClass: [self class]
				    connection: self
				       profile: @"Resourceprep"
					string: resource];

		@try {
			_resource = [[OFString alloc] initWithUTF8String: res];
		} @finally {
			free(res);
		}
	} else

	if (domain_ != nil) {
		char *srv;
		Stringprep_rc rc;

		if ((rc = stringprep_profile([domain_ UTF8String], &srv,
		    "Nameprep", 0)) != STRINGPREP_OK)
			@throw [XMPPStringPrepFailedException
			    exceptionWithClass: [self class]
				    connection: self
				       profile: @"Nameprep"
					string: domain_];

		@try {
			_domain = [[OFString alloc] initWithUTF8String: srv];
		} @finally {
			free(srv);
		}

	if (password != nil) {
		char *pass;
		Stringprep_rc rc;

		if ((rc = stringprep_profile([password UTF8String], &pass,
		    "SASLprep", 0)) != STRINGPREP_OK)
			@throw [XMPPStringPrepFailedException
			    exceptionWithClass: [self class]
				    connection: self
				       profile: @"SASLprep"
					string: password];

		@try {
			_password = [[OFString alloc] initWithUTF8String: pass];
		} @finally {
			free(pass);
		}
	} else

{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
	XMPPSRVEntry *candidate = nil;
	XMPPSRVLookup *SRVLookup = nil;
	OFEnumerator *enumerator;

	if (_socket != nil)
		@throw [OFAlreadyConnectedException
		    exceptionWithClass: [self class]];

	_socket = [[OFTCPSocket alloc] init];

	if (_server)
		[_socket connectToHost: _server
				  port: _port];
	else {

- (void)elementBuilder: (OFXMLElementBuilder*)builder
  didNotExpectCloseTag: (OFString*)name
		prefix: (OFString*)prefix
	     namespace: (OFString*)ns
{
	if (![name isEqual: @"stream"] || ![prefix isEqual: @"stream"] ||
	    ![ns isEqual: XMPP_NS_STREAM])
		@throw [OFMalformedXMLException
		    exceptionWithClass: [builder class]
				parser: nil];
	else {
		[self close];
	}
}

- (void)XMPP_startStream
{

			condition = @"undefined";

		reason = [[element
		    elementForName: @"text"
			 namespace: XMPP_NS_XMPP_STREAM] stringValue];

		@throw [XMPPStreamErrorException
		    exceptionWithClass: [self class]
			    connection: self
			     condition: condition
				reason: reason];
		return;
	}

	assert(0);
}

- (void)XMPP_handleTLS: (OFXMLElement*)element

		[self XMPP_startStream];

		return;
	}

	if ([[element name] isEqual: @"failure"])
		/* TODO: Find/create an exception to throw here */
		@throw [OFException exceptionWithClass: [self class]];

	assert(0);
}

- (void)XMPP_handleSASL: (OFXMLElement*)element
{
	if ([[element name] isEqual: @"challenge"]) {

		return;
	}

	if ([[element name] isEqual: @"failure"]) {
		of_log(@"Auth failed!");
		// FIXME: Do more parsing/handling
		@throw [XMPPAuthFailedException
		    exceptionWithClass: [self class]
			    connection: self
				reason: [element XMLString]];
	}

	assert(0);
}

- (void)XMPP_handleIQ: (XMPPIQ*)iq
{

		    [OFXMLElement elementWithName: @"starttls"
					namespace: XMPP_NS_STARTTLS]];
		return;
	}

	if (_encryptionRequired && !_encrypted)
		/* TODO: Find/create an exception to throw here */
		@throw [OFException exceptionWithClass: [self class]];

	if ([element elementForName: @"ver"
			  namespace: XMPP_NS_ROSTERVER] != nil)
		_supportsRosterVersioning = YES;

	if ([element elementForName: @"sm"
			  namespace: XMPP_NS_SM] != nil)

	OFString *ret;
	char *cDomain;
	Idna_rc rc;

	if ((rc = idna_to_ascii_8z([domain_ UTF8String],
	    &cDomain, IDNA_USE_STD3_ASCII_RULES)) != IDNA_SUCCESS)
		@throw [XMPPIDNATranslationFailedException
		    exceptionWithClass: [self class]
			    connection: self
			     operation: @"ToASCII"
				string: domain_];

	@try {
		ret = [[OFString alloc] initWithUTF8String: cDomain];
	} @finally {
		free(cDomain);
	}

{
	return _port;
}

- (void)setDataStorage: (id <XMPPStorage>)dataStorage
{
	if (_streamOpen)

		@throw [OFInvalidArgumentException
		    exceptionWithClass: [self class]];

	_dataStorage = dataStorage;
}

- (id <XMPPStorage>)dataStorage
{
	return _dataStorage;

	      type: (OFString*)type
	      name: (OFString*)name
{
	self = [super init];

	@try {
		if (category == nil || type == nil)
			@throw [OFInvalidArgumentException
			    exceptionWithClass: [self class]
				      selector: _cmd];

		_category = [category copy];
		_name = [name copy];
		_type = [type copy];
	} @catch (id e) {
		[self release];
		@throw e;

	of_comparison_result_t categoryResult;
	of_comparison_result_t typeResult;

	if (object == self)
		return OF_ORDERED_SAME;

	if (![object isKindOfClass: [XMPPDiscoIdentity class]])
		@throw [OFInvalidArgumentException
		    exceptionWithClass: [self class]
			      selector: _cmd];

	identity = (XMPPDiscoIdentity*)object;

	categoryResult = [_category compare: identity->_category];
	if (categoryResult != OF_ORDERED_SAME)
		return categoryResult;

- initWithJID: (XMPPJID*)JID
	 node: (OFString*)node
	 name: (OFString*)name
{
	self = [super init];

	@try {



		_JID = [JID copy];
		_node= [node copy];
		_name = [name copy];
		_identities = [OFSortedList new];
		_features = [OFSortedList new];
		_childNodes = [OFMutableDictionary new];

		[self addFeature: XMPP_NS_DISCO_ITEMS];
		[self addFeature: XMPP_NS_DISCO_INFO];

/// \brief The connection the exception relates to
@property (readonly, assign) XMPPConnection *connection;
#endif

/**
 * \brief Creates a new XMPPException.
 *
 * \param class_ The class of the object which caused the exception
 * \param connection The connection that received the data responsible
 *	  for this exception
 * \return A new XMPPException
 */
+ exceptionWithClass: (Class)class_
	  connection: (XMPPConnection*)connection;

/**
 * \brief Initializes an already allocated XMPPException.
 *
 * \param class_ The class of the object which caused the exception
 * \param connection The connection that received the data responsible
 *	  for this exception
 * \return An initialized XMPPException
 */
- initWithClass: (Class)class_
     connection: (XMPPConnection*)connection;

- (XMPPConnection*)connection;
@end

/**
 * \brief An exception indicating a stream error was received
 */

/// \brief The descriptive free-form text specified by the stream error
@property (readonly, assign) OFString *reason;
#endif

/**
 * \brief Creates a new XMPPStreamErrorException.
 *
 * \param class_ The class of the object which caused the exception
 * \param connection The connection that received the stream error
 * \param condition The defined error condition specified by the stream error
 * \param reason The descriptive free-form text specified by the stream error
 * \return A new XMPPStreamErrorException
 */
+ exceptionWithClass: (Class)class_
	  connection: (XMPPConnection*)connection
	   condition: (OFString*)condition
	      reason: (OFString*)reason;

/**
 * \brief Initializes an already allocated XMPPStreamErrorException.
 *
 * \param class_ The class of the object which caused the exception
 * \param connection The connection that received the stream error
 * \param condition The defined error condition specified by the stream error
 * \param reason The descriptive free-form text specified by the stream error
 * \return An initialized XMPPStreamErrorException
 */
- initWithClass: (Class)class_
     connection: (XMPPConnection*)connection
      condition: (OFString*)condition
	 reason: (OFString*)reason;

- (OFString*)condition;
- (OFString*)reason;
@end

/**
 * \brief An exception indicating a stringprep profile

/// \brief The string that failed the stringprep profile
@property (readonly, assign) OFString *string;
#endif

/**
 * \brief Creates a new XMPPStringPrepFailedException.
 *
 * \param class_ The class of the object which caused the exception
 * \param connection The connection the string relates to
 * \param profile The name of the stringprep profile that did not apply
 * \param string The string that failed the stringprep profile
 * \return A new XMPPStringPrepFailedException
 */
+ exceptionWithClass: (Class)class_
	  connection: (XMPPConnection*)connection
	     profile: (OFString*)profile
	      string: (OFString*)string;

/**
 * \brief Initializes an already allocated XMPPStringPrepFailedException.
 *
 * \param class_ The class of the object which caused the exception
 * \param connection The connection the string relates to
 * \param profile The name of the stringprep profile that did not apply
 * \param string The string that failed the stringprep profile
 * \return An initialized XMPPStringPrepFailedException
 */
- initWithClass: (Class)class_
     connection: (XMPPConnection*)connection
	profile: (OFString*)profile
	 string: (OFString*)string;

- (OFString*)profile;
- (OFString*)string;
@end

/**
 * \brief An exception indicating IDNA translation of a string failed

/// \brief The string that could not be translated
@property (readonly, assign) OFString *string;
#endif

/**
 * \brief Creates a new XMPPIDNATranslationFailedException.
 *
 * \param class_ The class of the object which caused the exception
 * \param connection The connection the string relates to
 * \param operation The name of the stringprep profile that did not apply
 * \param string The string that could not be translated
 * \return A new XMPPIDNATranslationFailedException
 */
+ exceptionWithClass: (Class)class_
	  connection: (XMPPConnection*)connection
	   operation: (OFString*)operation
	      string: (OFString*)string;

/**
 * \brief Initializes an already allocated XMPPIDNATranslationFailedException.
 *
 * \param class_ The class of the object which caused the exception
 * \param connection The connection the string relates to
 * \param operation The name of the stringprep profile that did not apply
 * \param string The string that could not be translated
 * \return An initialized XMPPIDNATranslationFailedException
 */
- initWithClass: (Class)class_
     connection: (XMPPConnection*)connection
      operation: (OFString*)operation
	 string: (OFString*)string;

- (OFString*)operation;
- (OFString*)string;
@end

/**
 * \brief An exception indicating authentication failed

/// \brief The reason the authentication failed
@property (readonly, assign) OFString *reason;
#endif

/**
 * \brief Creates a new XMPPAuthFailedException.
 *
 * \param class_ The class of the object which caused the exception
 * \param connection The connection that could not be authenticated
 * \param reason The reason the authentication failed
 * \return A new XMPPAuthFailedException
 */
+ exceptionWithClass: (Class)class_
	  connection: (XMPPConnection*)connection
	      reason: (OFString*)reason;

/**
 * \brief Initializes an already allocated XMPPAuthFailedException.
 *
 * \param class_ The class of the object which caused the exception
 * \param connection The connection that could not be authenticated
 * \param reason The reason the authentication failed
 * \return An initialized XMPPAuthFailedException
 */
- initWithClass: (Class)class_
     connection: (XMPPConnection*)connection
	 reason: (OFString*)reason;

- (OFString*)reason;
@end

 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif



#import "XMPPExceptions.h"
#import "XMPPConnection.h"

@implementation XMPPException
+ exceptionWithClass: (Class)class
	  connection: (XMPPConnection*)connection
{
	return [[[self alloc] initWithClass: class
				 connection: connection] autorelease];
}

- initWithClass: (Class)class
{

	Class c = [self class];

	[self release];
	@throw [OFNotImplementedException exceptionWithClass: c

						    selector: _cmd];

}

- initWithClass: (Class)class
     connection: (XMPPConnection*)connection
{
	self = [super initWithClass: class];

	@try {
		_connection = [connection retain];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	[_connection release];

	[super dealloc];
}

- (XMPPConnection*)connection
{
	OF_GETTER(_connection, NO)
}
@end

@implementation XMPPStreamErrorException
+ exceptionWithClass: (Class)class
	  connection: (XMPPConnection*)connection
	   condition: (OFString*)condition
	      reason: (OFString*)reason;
{
	return [[[self alloc] initWithClass: class
				 connection: connection
				  condition: condition
				     reason: reason] autorelease];
}

- initWithClass: (Class)class
     connection: (XMPPConnection*)connection
{

	Class c = [self class];

	[self release];
	@throw [OFNotImplementedException exceptionWithClass: c

						    selector: _cmd];

}

- initWithClass: (Class)class
     connection: (XMPPConnection*)connection
      condition: (OFString*)condition
	 reason: (OFString*)reason
{
	self = [super initWithClass: class
			 connection: connection];

	@try {
		_condition = [condition copy];
		_reason = [reason copy];
	} @catch (id e) {
		[self release];
		@throw e;

	[super dealloc];
}

- (OFString*)description
{
	return [OFString stringWithFormat:
	    @"Got stream error in class %@: %@. Reason: %@!", [self inClass],
	    _condition, _reason];
}

- (OFString*)condition
{
	OF_GETTER(_condition, NO)
}

- (OFString*)reason
{
	OF_GETTER(_reason, NO)
}
@end

@implementation XMPPStringPrepFailedException
+ exceptionWithClass: (Class)class
	  connection: (XMPPConnection*)connection
	     profile: (OFString*)profile
	      string: (OFString*)string
{
	return [[[self alloc] initWithClass: class
				 connection: connection
				    profile: profile
				     string: string] autorelease];
}

- initWithClass: (Class)class
     connection: (XMPPConnection*)connection
{

	Class c = [self class];

	[self release];
	@throw [OFNotImplementedException exceptionWithClass: c

						    selector: _cmd];

}

- initWithClass: (Class)class
     connection: (XMPPConnection*)connection
	profile: (OFString*)profile
	 string: (OFString*)string
{
	self = [super initWithClass: class
			 connection: connection];

	@try {
		_profile = [profile copy];
		_string = [string copy];
	} @catch (id e) {
		[self release];
		@throw e;

	[super dealloc];
}

- (OFString*)description
{
	return [OFString stringWithFormat:
	    @"Stringprep with profile %@ failed in class %@ on string '%@'!",
	    _profile, [self inClass], _string];
}

- (OFString*)profile
{
	OF_GETTER(_profile, NO)
}

- (OFString*)string
{
	OF_GETTER(_string, NO)
}
@end

@implementation XMPPIDNATranslationFailedException
+ exceptionWithClass: (Class)class
	  connection: (XMPPConnection*)connection
	   operation: (OFString*)operation
	      string: (OFString*)string
{
	return [[[self alloc] initWithClass: class
				 connection: connection
				  operation: operation
				     string: string] autorelease];
}

- initWithClass: (Class)class
     connection: (XMPPConnection*)connection
{

	Class c = [self class];

	[self release];
	@throw [OFNotImplementedException exceptionWithClass: c

						    selector: _cmd];

}

- initWithClass: (Class)class
     connection: (XMPPConnection*)connection
      operation: (OFString*)operation
	 string: (OFString*)string
{
	self = [super initWithClass: class
			 connection: connection];

	@try {
		_operation = [operation copy];
		_string = [string copy];
	} @catch (id e) {
		[self release];
		@throw e;

	[super dealloc];
}

- (OFString*)description
{
	return [OFString stringWithFormat:
	    @"IDNA operation %@ failed in class %@ on string '%@'!", _operation,
	    [self inClass], _string];
}

- (OFString*)operation
{
	OF_GETTER(_operation, NO)
}

- (OFString*)string
{
	OF_GETTER(_string, NO)
}
@end

@implementation XMPPAuthFailedException
+ exceptionWithClass: (Class)class
	  connection: (XMPPConnection*)connection
	      reason: (OFString*)reason;
{
	return [[[self alloc] initWithClass: class
				 connection: connection
				     reason: reason] autorelease];
}

- initWithClass: (Class)class
     connection: (XMPPConnection*)connection
{

	Class c = [self class];

	[self release];
	@throw [OFNotImplementedException exceptionWithClass: c

						    selector: _cmd];

}

- initWithClass: (Class)class
     connection: (XMPPConnection*)connection
	 reason: (OFString*)reason
{
	self = [super initWithClass: class
			 connection: connection];

	@try {
		_reason = [reason copy];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	[super dealloc];
}

- (OFString*)description
{
	return [OFString stringWithFormat:
	    @"Authentication failed in class %@. Reason: %@!", [self inClass],
	    _reason];
}

- (OFString*)reason
{
	OF_GETTER(_reason, NO)
}
@end

 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif



#import <ObjFW/OFString.h>
#import <ObjFW/OFArray.h>
#import <ObjFW/OFDictionary.h>
#import <ObjFW/OFNumber.h>
#import <ObjFW/OFDataArray.h>
#import <ObjFW/OFAutoreleasePool.h>

#import <ObjFW/OFNotImplementedException.h>

#import "XMPPFileStorage.h"

@implementation XMPPFileStorage
- init
{

	Class c = [self class];

	[self release];
	@throw [OFNotImplementedException exceptionWithClass: c

						    selector: _cmd];

}

- initWithFile: (OFString*)file
{
	self = [super init];

	@try {
		OFAutoreleasePool *pool = [OFAutoreleasePool new];

		_file = [file copy];
		@try {
			_data = [[[OFDataArray dataArrayWithContentsOfFile:
			    file] binaryPackValue] retain];
		} @catch (id e) {
			_data = [OFMutableDictionary new];
		}

		[pool release];
	} @catch (id e) {
		[self release];

	[_data release];

	[super dealloc];
}

- (void)save
{
	[[_data binaryPackRepresentation] writeToFile: _file];
}

- (void)XMPP_setObject: (id)object
	       forPath: (OFString*)path
{
	OFArray *pathComponents = [path componentsSeparatedByString: @"."];
	OFMutableDictionary *iter = _data;

	self = [super initWithName: @"iq"
			      type: type
				ID: ID];

	@try {
		if (![type isEqual: @"get"] && ![type isEqual: @"set"] &&
		    ![type isEqual: @"result"] && ![type isEqual: @"error"])
			@throw [OFInvalidArgumentException
			    exceptionWithClass: [self class]
				      selector: _cmd];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

		return;
	}

	if (((rc = stringprep_profile([node UTF8String], &nodepart,
	    "Nodeprep", 0)) != STRINGPREP_OK) || (nodepart[0] == '\0') ||
	    (strlen(nodepart) > 1023))
		@throw [XMPPStringPrepFailedException
		    exceptionWithClass: [self class]
			    connection: nil
			       profile: @"Nodeprep"
				string: node];

	@try {
		_node = [[OFString alloc] initWithUTF8String: nodepart];
	} @finally {
		free(nodepart);
	}

	char *srv;
	Stringprep_rc rc;

	if (((rc = stringprep_profile([domain UTF8String], &srv,
	    "Nameprep", 0)) != STRINGPREP_OK) || (srv[0] == '\0') ||
	    (strlen(srv) > 1023))
		@throw [XMPPStringPrepFailedException
		    exceptionWithClass: [self class]
			    connection: nil
			       profile: @"Nameprep"
				string: domain];

	@try {
		_domain = [[OFString alloc] initWithUTF8String: srv];
	} @finally {
		free(srv);
	}

		return;
	}

	if (((rc = stringprep_profile([resource UTF8String], &res,
	    "Resourceprep", 0)) != STRINGPREP_OK) || (res[0] == '\0') ||
	    (strlen(res) > 1023))
		@throw [XMPPStringPrepFailedException
		    exceptionWithClass: [self class]
			    connection: nil
			       profile: @"Resourceprep"
				string: resource];

	@try {
		_resource = [[OFString alloc] initWithUTF8String: res];
	} @finally {
		free(res);
	}

}

- (void)setPriority: (OFNumber*)priority
{
	intmax_t prio = [priority intMaxValue];

	if ((prio < -128) || (prio > 127))
		@throw [OFInvalidArgumentException
		    exceptionWithClass: [self class]
			      selector: _cmd];

	OFXMLElement *oldPriority = [self elementForName: @"priority"
					       namespace: XMPP_NS_CLIENT];

	if (oldPriority != nil)
		[self removeChild: oldPriority];

	OFString *otherShow;
	of_comparison_result_t priorityOrder;

	if (object == self)
		return OF_ORDERED_SAME;

	if (![object isKindOfClass: [XMPPPresence class]])
		@throw [OFInvalidArgumentException
		    exceptionWithClass: [self class]
			      selector: _cmd];

	otherPresence = (XMPPPresence*)object;
	otherPriority = [otherPresence priority];
	if (otherPriority == nil)
		otherPriority = [OFNumber numberWithInt8: 0];

	if (_priority != nil)

{
	[_delegates removeDelegate: delegate];
}

- (void)setDataStorage: (id <XMPPStorage>)dataStorage
{
	if (_rosterRequested)

		@throw [OFInvalidArgumentException
		    exceptionWithClass: [self class]];

	_dataStorage = dataStorage;
}

- (XMPPConnection*)connection
{
	return _connection;

	else
		_GS2Header = (_plusAvailable ? @"p=tls-unique,," : @"y,,");

	_cNonce = [[self XMPP_genNonce] retain];

	[_clientFirstMessageBare release];
	_clientFirstMessageBare = nil;
	_clientFirstMessageBare = [[OFString alloc] initWithFormat: @"n=%@,r=%@",
								   _authcid,
								   _cNonce];

	[ret addItems: [_GS2Header UTF8String]
		count: [_GS2Header UTF8StringLength]];

	[ret addItems: [_clientFirstMessageBare UTF8String]
		count: [_clientFirstMessageBare UTF8StringLength]];

	while ((comp = [enumerator nextObject]) != nil) {
		OFString *entry = [comp substringWithRange:
		    of_range(2, [comp length] - 2)];

		if ([comp hasPrefix: @"r="]) {
			if (![entry hasPrefix: _cNonce])
				@throw [XMPPAuthFailedException
				    exceptionWithClass: [self class]
					    connection: nil
						reason: @"Received wrong "
							@"nonce"];

			sNonce = entry;
			got |= GOT_SNONCE;
		} else if ([comp hasPrefix: @"s="]) {
			salt = [OFDataArray
			    dataArrayWithBase64EncodedString: entry];
			got |= GOT_SALT;
		} else if ([comp hasPrefix: @"i="]) {
			iterCount = [entry decimalValue];
			got |= GOT_ITERCOUNT;
		}
	}

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

	// Add c=<base64(GS2Header+channelBindingData)>
	tmpArray = [OFDataArray dataArray];
	[tmpArray addItems: [_GS2Header UTF8String]
		     count: [_GS2Header UTF8StringLength]];
	if (_plusAvailable && [_connection encrypted]) {
		OFDataArray *channelBinding = [((SSLSocket*)[_connection socket])

				       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
			    exceptionWithClass: [self class]
				    connection: nil
					reason: @"Received wrong "
						@"ServerSignature"];
		_authenticated = YES;
	} else
		@throw [XMPPAuthFailedException exceptionWithClass: [self class]
							connection: nil
							    reason: value];

	return nil;
}

- (OFString*)XMPP_genNonce
{
	uint8_t buf[64];

 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif



#include <assert.h>

#include <arpa/inet.h>
#include <netdb.h>
#include <sys/types.h>
#include <openssl/rand.h>

{
	return [[[self alloc] initWithResourceRecord: resourceRecord
					      handle: handle] autorelease];
}

- init
{

	Class c = [self class];

	[self release];
	@throw [OFNotImplementedException exceptionWithClass: c

						    selector: _cmd];

}

- initWithPriority: (uint16_t)priority
	    weight: (uint16_t)weight
	      port: (uint16_t)port
	    target: (OFString*)target
{

	@try {
		int answerLen, resourceRecordCount, i;
		ns_rr resourceRecord;
		ns_msg handle;

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

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

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

		if (answerLen < 1 || answerLen > pageSize) {
			@throw [OFAddressTranslationFailedException
			    exceptionWithClass: [self class]
					socket: nil
					  host: _domain];
		}

		if (ns_initparse(answer, answerLen, &handle))
			@throw [OFAddressTranslationFailedException
			    exceptionWithClass: [self class]
					socket: nil
					  host: _domain];

		resourceRecordCount = ns_msg_count(handle, ns_s_an);
		for (i = 0; i < resourceRecordCount; i++) {
			if (ns_parserr(&handle, ns_s_an, i, &resourceRecord))
				continue;

			if (ns_rr_type(resourceRecord) != ns_t_srv ||

{
	self = [super initWithName: name
			 namespace: XMPP_NS_CLIENT];

	@try {
		if (![name isEqual: @"iq"] && ![name isEqual: @"message"] &&
		    ![name isEqual: @"presence"])
			@throw [OFInvalidArgumentException
			    exceptionWithClass: [self class]
				      selector: _cmd];

		[self setDefaultNamespace: XMPP_NS_CLIENT];
		[self setPrefix: @"stream"
		   forNamespace: XMPP_NS_STREAM];

		if (type != nil)
			[self setType: type];

#import <ObjFW/OFMalformedXMLException.h>

@implementation XMPPXMLElementBuilder
-		 (void)parser: (OFXMLParser*)parser
  foundProcessingInstructions: (OFString*)pi
{
	@throw [OFMalformedXMLException exceptionWithClass: [self class]];
}

- (void)parser: (OFXMLParser*)parser
  foundComment: (OFString*)comment
{
	@throw [OFMalformedXMLException exceptionWithClass: [self class]];
}
@end