ObjFW  Check-in [1e62dc40eb]

/**
 * @brief The minimum number of dots for a name to be considered absolute.
 */
@property (nonatomic) unsigned int minNumberOfDotsInAbsoluteName;

/**
 * @brief Whether the resolver uses TCP to talk to a name server.
 * @brief Whether the resolver forces TCP to talk to a name server.
 */
@property (nonatomic) bool usesTCP;
@property (nonatomic) bool forcesTCP;

/**
 * @brief The interval in seconds in which the config should be reloaded.
 *
 * Setting this to 0 disables config reloading.
 */
@property (nonatomic) OFTimeInterval configReloadInterval;

- (void)setMinNumberOfDotsInAbsoluteName:
    (unsigned int)minNumberOfDotsInAbsoluteName
{
	_settings->_minNumberOfDotsInAbsoluteName =
	    minNumberOfDotsInAbsoluteName;
}

- (bool)usesTCP
- (bool)forcesTCP
{
	return _settings->_usesTCP;
	return _settings->_forcesTCP;
}

- (void)setUsesTCP: (bool)usesTCP
- (void)setForcesTCP: (bool)forcesTCP
{
	_settings->_usesTCP = usesTCP;
	_settings->_forcesTCP = forcesTCP;
}

- (OFTimeInterval)configReloadInterval
{
	return _settings->_configReloadInterval;
}

		     repeats: false];
	[[OFRunLoop currentRunLoop] addTimer: context->_cancelTimer
				     forMode: runLoopMode];

	nameServer = [context->_settings->_nameServers
	    objectAtIndex: context->_nameServersIndex];

	if (context->_settings->_usesTCP) {
	if (context->_settings->_forcesTCP) {
		OFEnsure(context->_TCPSocket == nil);

		context->_TCPSocket = [[OFTCPSocket alloc] init];
		[_TCPQueries setObject: context forKey: context->_TCPSocket];

		context->_TCPSocket.delegate = self;
		[context->_TCPSocket asyncConnectToHost: nameServer

		if ((buffer[2] & 0x78) != (queryDataBuffer[2] & 0x78))
			@throw [OFInvalidServerResponseException exception];

		/* TC */
		if (buffer[2] & 0x02) {
			OFRunLoopMode runLoopMode;

			if (context->_settings->_usesTCP)
			if (context->_settings->_forcesTCP)
				@throw [OFTruncatedDataException exception];

			context->_settings->_usesTCP = true;
			context->_settings->_forcesTCP = true;
			runLoopMode = [OFRunLoop currentRunLoop].currentMode;
			[self of_sendQueryForContext: context
					 runLoopMode: runLoopMode];
			return false;
		}

		/* RCODE */

	OFDictionary OF_GENERIC(OFString *, OFArray OF_GENERIC(OFString *) *)
	    *_staticHosts;
	OFArray OF_GENERIC(OFString *) *_nameServers;
	OFString *_Nullable _localDomain;
	OFArray OF_GENERIC(OFString *) *_searchDomains;
	OFTimeInterval _timeout;
	unsigned int _maxAttempts, _minNumberOfDotsInAbsoluteName;
	bool _usesTCP;
	bool _forcesTCP;
	OFTimeInterval _configReloadInterval;
@protected
	OFDate *_lastConfigReload;
}

- (void)reload;
@end

OF_ASSUME_NONNULL_END

		copy->_nameServers = [_nameServers copy];
		copy->_localDomain = [_localDomain copy];
		copy->_searchDomains = [_searchDomains copy];
		copy->_timeout = _timeout;
		copy->_maxAttempts = _maxAttempts;
		copy->_minNumberOfDotsInAbsoluteName =
		    _minNumberOfDotsInAbsoluteName;
		copy->_usesTCP = _usesTCP;
		copy->_forcesTCP = _forcesTCP;
		copy->_configReloadInterval = _configReloadInterval;
		copy->_lastConfigReload = [_lastConfigReload copy];
	} @catch (id e) {
		[copy release];
		@throw e;
	}

	[_searchDomains release];
	_searchDomains = nil;

	_timeout = 2;
	_maxAttempts = 3;
	_minNumberOfDotsInAbsoluteName = 1;
	_usesTCP = false;
	_forcesTCP = false;
#ifndef OF_NINTENDO_3DS
	_configReloadInterval = 2;
#else
	_configReloadInterval = 0;
#endif
}

			_maxAttempts = (unsigned int)number;
		} else if ([option hasPrefix: @"reload-period:"]) {
			option = [option substringFromIndex: 14];

			_configReloadInterval = option.unsignedLongLongValue;
		} else if ([option isEqual: @"tcp"])
			_usesTCP = true;
			_forcesTCP = true;
	} @catch (OFInvalidFormatException *e) {
	}
}

- (void)parseResolvConf: (OFString *)path
{
	void *pool = objc_autoreleasePoolPush();

	[OFStdOut writeFormat: @"[OFDNSResolver] Max attempts: %u\n",
	    resolver.maxAttempts];

	[OFStdOut writeFormat:
	    @"[OFDNSResolver] Min number of dots in absolute name: %u\n",
	    resolver.minNumberOfDotsInAbsoluteName];

	[OFStdOut writeFormat: @"[OFDNSResolver] Uses TCP: %u\n",
	    resolver.usesTCP];
	[OFStdOut writeFormat: @"[OFDNSResolver] Forces TCP: %u\n",
	    resolver.forcesTCP];

	[OFStdOut writeFormat:
	    @"[OFDNSResolver] Config reload interval: %lf\n",
	    resolver.configReloadInterval];

	objc_autoreleasePoolPop(pool);
}
@end