ObjFW  Check-in [4bbac7ab17]

				if (pos == OF_NOT_FOUND) {
					fprintf(stderr,
					    "Warning: Invalid environment "
					    "variable: %s\n", tmp.UTF8String);
					continue;
				}

				key = [tmp substringWithRange:
				key = [tmp substringToIndex: pos];
				    of_range(0, pos)];
				value = [tmp substringWithRange:
				value = [tmp substringFromRange: pos + 1];
				    of_range(pos + 1, tmp.length - pos - 1)];

				[_environment setObject: value
						 forKey: key];

				objc_autoreleasePoolPop(pool);
			}

				if (pos == OF_NOT_FOUND) {
					fprintf(stderr,
					    "Warning: Invalid environment "
					    "variable: %s\n", tmp.UTF8String);
					continue;
				}

				key = [tmp substringWithRange:
				key = [tmp substringToIndex: pos];
				    of_range(0, pos)];
				value = [tmp substringWithRange:
				value = [tmp substringFromIndex: pos + 1];
				    of_range(pos + 1, tmp.length - pos - 1)];

				[_environment setObject: value
						 forKey: key];

				objc_autoreleasePoolPop(pool);
			}

- (bool)containsString: (OFString *)string
{
	[self finishInitialization];

	return [self containsString: string];
}

- (OFString *)substringFromIndex: (size_t)idx
{
	[self finishInitialization];

	return [self substringFromIndex: idx];
}

- (OFString *)substringToIndex: (size_t)idx
{
	[self finishInitialization];

	return [self substringToIndex: idx];
}

- (OFString *)substringWithRange: (of_range_t)range
{
	[self finishInitialization];

	return [self substringWithRange: range];
}

	} @catch (OFInvalidFormatException *e) {
		/* Not an IP address -> we can use it if it contains a dot. */
		size_t pos = [domain rangeOfString: @"."].location;

		if (pos == OF_NOT_FOUND)
			return nil;

		ret = [domain substringWithRange:
		ret = [domain substringFromIndex: pos + 1];
		    of_range(pos + 1, domain.length - pos - 1)];
	}

	return ret;
}
#endif

@implementation OFDNSResolverSettings

		void *pool2 = objc_autoreleasePoolPush();
		OFArray *components, *hosts;
		size_t pos;
		OFString *address;

		pos = [line rangeOfString: @"#"].location;
		if (pos != OF_NOT_FOUND)
			line = [line substringWithRange: of_range(0, pos)];
			line = [line substringToIndex: pos];

		components = [line
		    componentsSeparatedByCharactersInSet: whitespaceCharacterSet
						 options: OF_STRING_SKIP_EMPTY];

		if (components.count < 2) {
			objc_autoreleasePoolPop(pool2);

# if !defined(OF_WINDOWS) && !defined(OF_AMIGAOS4)
- (void)parseResolvConfOption: (OFString *)option
{
	@try {
		if ([option hasPrefix: @"ndots:"]) {
			unsigned long long number;

			option = [option substringWithRange:
			option = [option substringFromIndex: 6];
			    of_range(6, option.length - 6)];
			number = option.unsignedLongLongValue;

			if (number > UINT_MAX)
				@throw [OFOutOfRangeException exception];

			_minNumberOfDotsInAbsoluteName = (unsigned int)number;
		} else if ([option hasPrefix: @"timeout:"]) {
			option = [option substringWithRange:
			option = [option substringFromIndex: 8];
			    of_range(8, option.length - 8)];

			_timeout = option.unsignedLongLongValue;
		} else if ([option hasPrefix: @"attempts:"]) {
			unsigned long long number;

			option = [option substringWithRange:
			option = [option substringFromIndex: 9];
			    of_range(9, option.length - 9)];
			number = option.unsignedLongLongValue;

			if (number > UINT_MAX)
				@throw [OFOutOfRangeException exception];

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

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

		void *pool2 = objc_autoreleasePoolPush();
		size_t pos;
		OFArray *components, *arguments;
		OFString *option;

		pos = [line indexOfCharacterFromSet: commentCharacters];
		if (pos != OF_NOT_FOUND)
			line = [line substringWithRange: of_range(0, pos)];
			line = [line substringToIndex: pos];

		components = [line
		    componentsSeparatedByCharactersInSet: whitespaceCharacterSet
						 options: OF_STRING_SKIP_EMPTY];

		if (components.count < 2) {
			objc_autoreleasePoolPop(pool2);

		if (_toRead == 0)
			_toRead = -2;

		return length;
	} else {
		void *pool = objc_autoreleasePoolPush();
		OFString *line;
		of_range_t range;
		size_t pos;

		@try {
			line = [_socket tryReadLine];
		} @catch (OFInvalidEncodingException *e) {
			@throw [OFInvalidServerReplyException exception];
		}

		if (line == nil)
			return 0;

		range = [line rangeOfString: @";"];
		if (range.location != OF_NOT_FOUND)
			line = [line substringWithRange:
		pos = [line rangeOfString: @";"].location;
		if (pos != OF_NOT_FOUND)
			line = [line substringToIndex: pos];
			    of_range(0, range.location)];

		if (line.length < 1) {
			/*
			 * We have read the empty string because the socket is
			 * at end of stream.
			 */
			if (_socket.atEndOfStream &&
			if (_socket.atEndOfStream && pos == OF_NOT_FOUND)
			    range.location == OF_NOT_FOUND)
				@throw [OFTruncatedDataException exception];
			else
				@throw [OFInvalidServerReplyException
				    exception];
		}

		@try {

		cookieDomain = cookie.domain.lowercaseString;
		URLHost = URL.host.lowercaseString;
		if ([cookieDomain hasPrefix: @"."]) {
			if ([URLHost hasSuffix: cookieDomain])
				match = true;
			else {
				cookieDomain = [cookieDomain substringWithRange:
				    of_range(1, cookieDomain.length - 1)];
				cookieDomain =
				    [cookieDomain substringFromIndex: 1];

				match = [cookieDomain isEqual: URLHost];
			}
		} else
			match = [cookieDomain isEqual: URLHost];

		if (!match) {

		return [self sendErrorAndClose: 400];
	}

	pos = [line rangeOfString: @" "].location;
	if (pos == OF_NOT_FOUND)
		return [self sendErrorAndClose: 400];

	method = [line substringWithRange: of_range(0, pos)];
	method = [line substringToIndex: pos];
	@try {
		_method = of_http_request_method_from_string(method);
	} @catch (OFInvalidArgumentException *e) {
		return [self sendErrorAndClose: 405];
	}

	@try {

		return false;
	}

	pos = [line rangeOfString: @":"].location;
	if (pos == OF_NOT_FOUND)
		return [self sendErrorAndClose: 400];

	key = [line substringWithRange: of_range(0, pos)];
	value = [line substringWithRange:
	key = [line substringToIndex: pos];
	value = [line substringFromIndex: pos + 1];
	    of_range(pos + 1, line.length - pos - 1)];

	key = normalizedKey(key.stringByDeletingTrailingWhitespaces);
	value = value.stringByDeletingLeadingWhitespaces;

	old = [_headers objectForKey: key];
	if (old != nil)
		value = [old stringByAppendingFormat: @",%@", value];

	[_headers setObject: value
		     forKey: key];

	if ([key isEqual: @"Host"]) {
		pos = [value
		    rangeOfString: @":"
			  options: OF_STRING_SEARCH_BACKWARDS].location;

		if (pos != OF_NOT_FOUND) {
			[_host release];
			_host = [[value substringWithRange:
			_host = [[value substringToIndex: pos] retain];
			    of_range(0, pos)] retain];

			@try {
				of_range_t range =
				    of_range(pos + 1, value.length - pos - 1);
				unsigned long long portTmp =
				    [value substringWithRange: range]
				    [value substringFromIndex: pos + 1]
				    .unsignedLongLongValue;

				if (portTmp < 1 || portTmp > UINT16_MAX)
					return [self sendErrorAndClose: 400];

				_port = (uint16_t)portTmp;
			} @catch (OFInvalidFormatException *e) {

	URL.host = _host;
	if (_port != 80)
		URL.port = [OFNumber numberWithUnsignedShort: _port];

	if ((pos = [_path rangeOfString: @"?"].location) != OF_NOT_FOUND) {
		OFString *path, *query;

		path = [_path substringWithRange: of_range(0, pos)];
		query = [_path substringWithRange:
		path = [_path substringToIndex: pos];
		query = [_path substringFromIndex: pos + 1];
		    of_range(pos + 1, _path.length - pos - 1)];

		URL.URLEncodedPath = path;
		URL.URLEncodedQuery = query;
	} else
		URL.URLEncodedPath = _path;

	[URL makeImmutable];

		if (_toRead == 0)
			_toRead = -2;

		return length;
	} else {
		void *pool = objc_autoreleasePoolPush();
		OFString *line;
		of_range_t range;
		size_t pos;
		unsigned long long toRead;

		@try {
			line = [_socket tryReadLine];
		} @catch (OFInvalidEncodingException *e) {
			@throw [OFInvalidFormatException exception];
		}

		if (line == nil)
			return 0;

		range = [line rangeOfString: @";"];
		if (range.location != OF_NOT_FOUND)
			line = [line substringWithRange:
		pos = [line rangeOfString: @";"].location;
		if (pos != OF_NOT_FOUND)
			line = [line substringToIndex: pos];
			    of_range(0, range.location)];

		if (line.length < 1) {
			/*
			 * We have read the empty string because the socket is
			 * at end of stream.
			 */
			if (_socket.atEndOfStream &&
			if (_socket.atEndOfStream && pos == OF_NOT_FOUND)
			    range.location == OF_NOT_FOUND)
				@throw [OFTruncatedDataException exception];
			else
				@throw [OFInvalidFormatException exception];
		}

		toRead = [line unsignedLongLongValueWithBase: 16];
		if (toRead > LLONG_MAX)

		    [[[OFINICategoryPair alloc] init] autorelease];
		OFString *key, *value;
		size_t pos;

		if ((pos = [line rangeOfString: @"="].location) == OF_NOT_FOUND)
			@throw [OFInvalidFormatException exception];

		key = [line substringWithRange: of_range(0, pos)];
		value = [line substringWithRange:
		key = unescapeString([line substringToIndex: pos]
		    of_range(pos + 1, line.length - pos - 1)];

		key = key.stringByDeletingEnclosingWhitespaces;
		value = value.stringByDeletingEnclosingWhitespaces;
		    .stringByDeletingEnclosingWhitespaces);
		value = unescapeString([line substringFromIndex: pos + 1]
		    .stringByDeletingEnclosingWhitespaces);

		key = unescapeString(key);
		value = unescapeString(value);

		pair->_key = [key copy];
		pair->_value = [value copy];

		[_lines addObject: pair];
	} else {
		OFINICategoryComment *comment =

	if (pos == OF_NOT_FOUND) {
		*category = @"";
		*key = path;
		return;
	}

	*category = [path substringWithRange: of_range(0, pos)];
	*key = [path substringWithRange:
	*category = [path substringToIndex: pos];
	*key = [path substringFromIndex: pos + 1];
	    of_range(pos + 1, path.length - pos - 1)];
}

- (void)setString: (OFString *)string
	  forPath: (OFString *)path
{
	void *pool = objc_autoreleasePoolPush();
	OFString *category, *key;

			size_t pos;
			of_options_parser_option_t *option;

			_lastOption = '-';
			_index++;

			if ((pos = [argument rangeOfString: @"="].location) !=
			    OF_NOT_FOUND) {
			    OF_NOT_FOUND)
				of_range_t range = of_range(pos + 1,
				    argument.length - pos - 1);
				_argument = [[argument
				    substringWithRange: range] copy];
			} else
				    substringFromIndex: pos + 1] copy];
			else
				pos = argument.length;

			_lastLongOption = [[argument substringWithRange:
			    of_range(2, pos - 2)] copy];

			objc_autoreleasePoolPop(pool);

				return _lastOption;
			}

			if (_index >= _arguments.count)
				return ':';

			argument = [_arguments objectAtIndex: _index];
			argument = [argument substringWithRange:
			argument = [argument substringFromIndex: _subIndex];
			    of_range(_subIndex, argument.length - _subIndex)];

			_argument = [argument copy];

			if (iter->isSpecifiedPtr != NULL)
				*iter->isSpecifiedPtr = true;
			if (iter->argumentPtr != NULL)
				*iter->argumentPtr =

 * @brief Returns whether the string contains the specified string.
 *
 * @param string The string to search
 * @return Whether the string contains the specified string
 */
- (bool)containsString: (OFString *)string;

/**
 * @brief Creates a substring from the specified index to the end.
 *
 * @param idx The index from where the substring should start, inclusive
 * @return The substring from the specified index to the end
 */
- (OFString *)substringFromIndex: (size_t)idx;

/**
 * @brief Creates a substring from the beginning to the specified index.
 *
 * @param idx The index at which the substring should end, exclusive
 * @return The subtring from the beginning to the specified index
 */
- (OFString *)substringToIndex: (size_t)idx;

/**
 * @brief Creates a substring with the specified range.
 *
 * @param range The range of the substring
 * @return The substring as a new autoreleased OFString
 */
- (OFString *)substringWithRange: (of_range_t)range;

		}
	}

	objc_autoreleasePoolPop(pool);

	return false;
}

- (OFString *)substringFromIndex: (size_t)idx
{
	return [self substringWithRange: of_range(idx, self.length - idx)];
}

- (OFString *)substringToIndex: (size_t)idx
{
	return [self substringWithRange: of_range(0, idx)];
}

- (OFString *)substringWithRange: (of_range_t)range
{
	void *pool;
	OFString *ret;

	if (range.length > SIZE_MAX - range.location ||

	if ([path isEqual: @"/"]) {
		objc_autoreleasePoolPop(pool);
		return @"/";
	}

	if ([path hasSuffix: @"/"])
		path = [path substringWithRange: of_range(0, path.length - 1)];
		path = [path substringToIndex: path.length - 1];

	UTF8String = lastComponent = path.UTF8String;
	length = path.UTF8StringLength;

	for (size_t i = 1; i <= length; i++) {
		if (UTF8String[length - i] == '/') {
			lastComponent = UTF8String + (length - i) + 1;

	bool hasVersion = false;

	if (!self->_acceptProlog)
		return false;

	self->_acceptProlog = false;

	pi = [pi substringWithRange: of_range(3, pi.length - 3)];
	pi = [pi substringFromIndex: 3];
	pi = pi.stringByDeletingEnclosingWhitespaces;

	cString = pi.UTF8String;
	length = pi.UTF8StringLength;

	last = 0;
	for (size_t i = 0; i < length; i++) {

	pos = [fileName rangeOfString: @"."
			      options: OF_STRING_SEARCH_BACKWARDS].location;
	if (pos == OF_NOT_FOUND || pos == 0) {
		objc_autoreleasePoolPop(pool);
		return @"";
	}

	ret = [fileName substringWithRange:
	ret = [fileName substringFromIndex: pos + 1];
	    of_range(pos + 1, fileName.length - pos - 1)];

	[ret retain];
	objc_autoreleasePoolPop(pool);
	return [ret autorelease];
}

- (OFString *)stringByDeletingLastPathComponent

	pos = [fileName rangeOfString: @"."
			      options: OF_STRING_SEARCH_BACKWARDS].location;
	if (pos == OF_NOT_FOUND || pos == 0) {
		objc_autoreleasePoolPop(pool);
		return [[self copy] autorelease];
	}

	fileName = [fileName substringWithRange: of_range(0, pos)];
	fileName = [fileName substringToIndex: pos];
	[components replaceObjectAtIndex: components.count - 1
			      withObject: fileName];

	ret = [OFString pathWithComponents: components];

	[ret retain];
	objc_autoreleasePoolPop(pool);

}

- (OFString *)of_URLPathToPathWithURLEncodedHost: (OFString *)URLEncodedHost
{
	OFString *path = self;

	if (path.length > 1 && [path hasSuffix: @"/"])
		path = [path substringWithRange: of_range(0, path.length - 1)];
		path = [path substringToIndex: path.length - 1];

	OFMutableArray OF_GENERIC(OFString *) *components;
	size_t count;

	path = [path substringWithRange: of_range(1, path.length - 1)];
	path = [path substringFromIndex: 1];
	components = [[[path
	    componentsSeparatedByString: @"/"] mutableCopy] autorelease];
	count = components.count;

	for (size_t i = 0; i < count; i++) {
		OFString *component = [components objectAtIndex: i];

	pos = [fileName rangeOfString: @"."
			      options: OF_STRING_SEARCH_BACKWARDS].location;
	if (pos == OF_NOT_FOUND || pos == 0) {
		objc_autoreleasePoolPop(pool);
		return @"";
	}

	ret = [fileName substringWithRange:
	ret = [fileName substringWithFromIndex: pos + 1];
	    of_range(pos + 1, fileName.length - pos - 1)];

	[ret retain];
	objc_autoreleasePoolPop(pool);
	return [ret autorelease];
}

- (OFString *)stringByDeletingLastPathComponent

	pos = [fileName rangeOfString: @"."
			      options: OF_STRING_SEARCH_BACKWARDS].location;
	if (pos == OF_NOT_FOUND || pos == 0) {
		objc_autoreleasePoolPop(pool);
		return [[self copy] autorelease];
	}

	fileName = [fileName substringWithRange: of_range(0, pos)];
	fileName = [fileName substringToIndex: pos];
	[components replaceObjectAtIndex: components.count - 1
			      withObject: fileName];

	ret = [OFString pathWithComponents: components];

	[ret retain];
	objc_autoreleasePoolPop(pool);

}

- (OFString *)of_URLPathToPathWithURLEncodedHost: (OFString *)URLEncodedHost
{
	OFString *path = self;

	if (path.length > 1 && [path hasSuffix: @"/"])
		path = [path substringWithRange: of_range(0, path.length - 1)];
		path = [path substringToIndex: path.length - 1];

	return [path substringWithRange: of_range(1, path.length - 1)];
	return [path substringFromIndex: 1];
}

- (OFString *)of_pathComponentToURLPathComponent
{
	return self;
}
@end

	pos = [fileName rangeOfString: @"."
			      options: OF_STRING_SEARCH_BACKWARDS].location;
	if (pos == OF_NOT_FOUND || pos == 0) {
		objc_autoreleasePoolPop(pool);
		return @"";
	}

	ret = [fileName substringWithRange:
	ret = [fileName substringFromIndex: pos + 1];
	    of_range(pos + 1, fileName.length - pos - 1)];

	[ret retain];
	objc_autoreleasePoolPop(pool);
	return [ret autorelease];
}

- (OFString *)stringByDeletingLastPathComponent

	pos = [fileName rangeOfString: @"."
			      options: OF_STRING_SEARCH_BACKWARDS].location;
	if (pos == OF_NOT_FOUND || pos == 0) {
		objc_autoreleasePoolPop(pool);
		return [[self copy] autorelease];
	}

	fileName = [fileName substringWithRange: of_range(0, pos)];
	fileName = [fileName substringToIndex: pos];
	[components replaceObjectAtIndex: [components count] - 1
			      withObject: fileName];

	ret = [OFString pathWithComponents: components];

	[ret retain];
	objc_autoreleasePoolPop(pool);

}

- (OFString *)of_URLPathToPathWithURLEncodedHost: (OFString *)URLEncodedHost
{
	OFString *path = self;

	if (path.length > 1 && [path hasSuffix: @"/"])
		path = [path substringWithRange: of_range(0, path.length - 1)];
		path = [path substringToIndex: path.length - 1];

	return path;
}

- (OFString *)of_pathComponentToURLPathComponent
{
	return self;
}
@end

	pos = [fileName rangeOfString: @"."
			      options: OF_STRING_SEARCH_BACKWARDS].location;
	if (pos == OF_NOT_FOUND || pos == 0) {
		objc_autoreleasePoolPop(pool);
		return @"";
	}

	ret = [fileName substringWithRange:
	ret = [fileName substringFromIndex: pos + 1];
	    of_range(pos + 1, fileName.length - pos - 1)];

	[ret retain];
	objc_autoreleasePoolPop(pool);
	return [ret autorelease];
}

- (OFString *)stringByDeletingLastPathComponent

	pos = [fileName rangeOfString: @"."
			      options: OF_STRING_SEARCH_BACKWARDS].location;
	if (pos == OF_NOT_FOUND || pos == 0) {
		objc_autoreleasePoolPop(pool);
		return [[self copy] autorelease];
	}

	fileName = [fileName substringWithRange: of_range(0, pos)];
	fileName = [fileName substringToIndex: pos];
	[components replaceObjectAtIndex: components.count - 1
			      withObject: fileName];

	ret = [OFString pathWithComponents: components];

	[ret retain];
	objc_autoreleasePoolPop(pool);

- (OFString *)of_URLPathToPathWithURLEncodedHost: (OFString *)URLEncodedHost
{
	OFString *path = self;

	if (path.length > 1 && [path hasSuffix: @"/"] &&
	    ![path hasSuffix: @":/"])
		path = [path substringWithRange: of_range(0, path.length - 1)];
		path = [path substringToIndex: path.length - 1];

	path = [path substringWithRange: of_range(1, path.length - 1)];
	path = [path substringFromIndex: 1];
	path = [path stringByReplacingOccurrencesOfString: @"/"
					       withString: @"\\"];

	if (URLEncodedHost != nil) {
		OFString *host = [URLEncodedHost stringByURLDecoding];

		if (path.length == 0)

	addrIn6->sin6_family = AF_UNSPEC;
#endif
	addrIn6->sin6_port = OF_BSWAP16_IF_LE(port);

	doubleColon = [IPv6 rangeOfString: @"::"].location;

	if (doubleColon != OF_NOT_FOUND) {
		OFString *left = [IPv6 substringWithRange:
		OFString *left = [IPv6 substringToIndex: doubleColon];
		    of_range(0, doubleColon)];
		OFString *right = [IPv6 substringWithRange:
		OFString *right = [IPv6 substringFromIndex: doubleColon + 2];
		    of_range(doubleColon + 2, IPv6.length - doubleColon - 2)];
		OFArray OF_GENERIC(OFString *) *leftComponents;
		OFArray OF_GENERIC(OFString *) *rightComponents;
		size_t i;

		if ([right hasPrefix: @":"] || [right containsString: @"::"])
			@throw [OFInvalidFormatException exception];

	if (pos == OF_NOT_FOUND) {
		[of_stderr writeLine: OF_LOCALIZED(@"invalid_input_header",
		    @"%[prog]: Headers must to be in format name:value!",
		    @"prog", [OFApplication programName])];
		[OFApplication terminateWithStatus: 1];
	}

	name = [header substringWithRange: of_range(0, pos)];
	name = name.stringByDeletingEnclosingWhitespaces;
	name = [header substringToIndex: pos]
	    .stringByDeletingEnclosingWhitespaces;

	value = [header substringWithRange:
	value = [header substringFromIndex: pos + 1]
	    of_range(pos + 1, header.length - pos - 1)];
	value = value.stringByDeletingEnclosingWhitespaces;
	    .stringByDeletingEnclosingWhitespaces;

	[_clientHeaders setObject: value
			   forKey: name];
}

- (void)setBody: (OFString *)path
{

			  options: OF_STRING_SEARCH_BACKWARDS].location;
		OFString *host;
		unsigned long long port;

		if (pos == OF_NOT_FOUND)
			@throw [OFInvalidFormatException exception];

		host = [proxy substringWithRange: of_range(0, pos)];
		port = [proxy substringWithRange: of_range(pos + 1,
		    proxy.length - pos - 1)].unsignedLongLongValue;
		host = [proxy substringToIndex: pos];
		port = [proxy substringFromIndex: pos + 1]
		    .unsignedLongLongValue;

		if (port > UINT16_MAX)
			@throw [OFOutOfRangeException exception];

		[OFTCPSocket setSOCKS5Host: host];
		[OFTCPSocket setSOCKS5Port: (uint16_t)port];
	} @catch (OFInvalidFormatException *e) {