ObjFW  Changes On Branch 8d693c2d5f5c0c98

tests/tests.arm9
tests/tests.nds
utils/objfw-config
utils/ofarc/ofarc
utils/ofdns/ofdns
utils/ofhash/ofhash
utils/ofhttp/ofhttp
utils/ofsock/ofsock

tests/tests.arm9
tests/tests.nds
utils/objfw-config
utils/ofarc/ofarc
utils/ofdns/ofdns
utils/ofhash/ofhash
utils/ofhttp/ofhttp
utils/ofsock/ofsock

tests/tests.arm9
tests/tests.nds
utils/objfw-config
utils/ofarc/ofarc
utils/ofdns/ofdns
utils/ofhash/ofhash
utils/ofhttp/ofhttp
utils/ofsock/ofsock

                            pkgs="gobjc-multilib";
                            ;;
                    *)
                            pkgs="gobjc";
                            ;;
            esac;

            pkgs="$pkgs libsctp-dev";

            if grep precise /etc/lsb-release >/dev/null; then
                    pkgs="$pkgs ipx";
            fi;

            if ! sudo apt-get -qq install -y $pkgs >/tmp/apt_log 2>&1; then
                    cat /tmp/apt_log;
                    exit 1;

AC_INIT(ObjFW, 1.1-dev, js@nil.im)
AC_CONFIG_SRCDIR(src)
AC_CONFIG_AUX_DIR(build-aux)
AC_CONFIG_MACRO_DIR(build-aux/m4)

AC_DEFINE(OBJFW_VERSION_MAJOR, 1, [The major version of ObjFW])
AC_DEFINE(OBJFW_VERSION_MINOR, 1, [The minor version of ObjFW])
dnl This may only be set to 1.1 once 1.1 is released
AC_SUBST(BUNDLE_VERSION, 1.0.0)
AC_SUBST(BUNDLE_SHORT_VERSION, 1.0)

for i in configure.ac build-aux/m4/*; do
	AS_IF([test $i -nt configure], [
		AC_MSG_ERROR([$i is newer than configure! Run ./autogen.sh!])
	])

AS_IF([test x"$enable_shared" != x"no"], [
	BUILDSYS_SHARED_LIB
	AC_SUBST(OBJFW_SHARED_LIB, "${LIB_PREFIX}objfw${LIB_SUFFIX}")
	AC_SUBST(EXCEPTIONS_LIB_A, "exceptions.lib.a")
	AC_SUBST(EXCEPTIONS_EXCEPTIONS_LIB_A, "exceptions/exceptions.lib.a")
	AC_SUBST(FORWARDING_LIB_A, "forwarding.lib.a")
	AC_SUBST(FORWARDING_FORWARDING_LIB_A, "forwarding/forwarding.lib.a")
	AC_SUBST(INVOCATION_LIB_A, "invocation.lib.a")
	AC_SUBST(INVOCATION_INVOCATION_LIB_A, "invocation/invocation.lib.a")
	AC_SUBST(LOOKUP_ASM_LIB_A, "lookup-asm.lib.a")
	AC_SUBST(LOOKUP_ASM_LOOKUP_ASM_LIB_A, "lookup-asm/lookup-asm.lib.a")

	BUILDSYS_FRAMEWORK([
		AC_SUBST(OBJFW_FRAMEWORK, "ObjFW.framework")
		build_framework="yes"
	])

AC_ARG_ENABLE(static, AS_HELP_STRING([--enable-static], [build static library]))
AS_IF([test x"$enable_static" = x"yes" -o x"$enable_amiga_lib" != x"no"], [
	AC_SUBST(OBJFW_STATIC_LIB, "libobjfw.a")
	AC_SUBST(EXCEPTIONS_A, "exceptions.a")
	AC_SUBST(EXCEPTIONS_EXCEPTIONS_A, "exceptions/exceptions.a")
	AC_SUBST(FORWARDING_A, "forwarding.a")
	AC_SUBST(FORWARDING_FORWARDING_A, "forwarding/forwarding.a")
	AC_SUBST(INVOCATION_A, "invocation.a")
	AC_SUBST(INVOCATION_INVOCATION_A, "invocation/invocation.a")
	AC_SUBST(LOOKUP_ASM_A, "lookup-asm.a")
	AC_SUBST(LOOKUP_ASM_LOOKUP_ASM_A, "lookup-asm/lookup-asm.a")
])

AC_DEFINE_UNQUOTED(PLUGIN_SUFFIX, "$PLUGIN_SUFFIX", [Suffix for plugins])
AS_IF([test x"$enable_files" != x"no" -a x"$PLUGIN_SUFFIX" != x""], [
	AC_SUBST(USE_SRCS_PLUGINS, '${SRCS_PLUGINS}')

		AC_DEFINE(OF_HAVE_NETINET_IN_H, 1,
			[Whether we have netinet/in.h])
	])
	AC_CHECK_HEADER(netinet/tcp.h, [
		AC_DEFINE(OF_HAVE_NETINET_TCP_H, 1,
			[Whether we have netinet/tcp.h])
	])
	AC_CHECK_HEADER(netinet/sctp.h, [
		AC_DEFINE(OF_HAVE_SCTP, 1, [Whether we have SCTP])
		AC_DEFINE(OF_HAVE_NETINET_SCTP_H, 1,
			[Whether we have netinet/sctp.h])
		AC_SUBST(USE_SRCS_SCTP, '${SRCS_SCTP}')
	])
	AC_CHECK_HEADERS([arpa/inet.h netdb.h])
	AC_CHECK_HEADER(netipx/ipx.h, [
		AC_DEFINE(OF_HAVE_NETIPX_IPX_H, 1,
			[Whether we have netipx/ipx.h])
	])

	AC_CHECK_MEMBER([struct sockaddr_in6.sin6_addr], [

		AC_SUBST(OF_HTTP_CLIENT_TESTS_M, "OFHTTPClientTests.m")
	])

	AC_SUBST(OFDNS, "ofdns")
	AS_IF([test x"$enable_files" != x"no"], [
		AC_SUBST(OFHTTP, "ofhttp")
	])
	AC_SUBST(OFSOCK, "ofsock")
])

AC_DEFUN([CHECK_BUILTIN_BSWAP], [
	AC_MSG_CHECKING(for __builtin_bswap$1)
	AC_TRY_LINK([
		#include <stdint.h>
		#include <stdio.h>

OBJFW_SHARED_LIB = @OBJFW_SHARED_LIB@
OBJFW_STATIC_LIB = @OBJFW_STATIC_LIB@
OBJFW_FRAMEWORK = @OBJFW_FRAMEWORK@
# When changing: Be sure to also change these in the Xcode project!
OBJFW_LIB_MAJOR = 9
OBJFW_LIB_MINOR = 1
OBJFW_LIB_MAJOR_MINOR = ${OBJFW_LIB_MAJOR}.${OBJFW_LIB_MINOR}

OBJFWRT_SHARED_LIB = @OBJFWRT_SHARED_LIB@
OBJFWRT_STATIC_LIB = @OBJFWRT_STATIC_LIB@
OBJFWRT_FRAMEWORK = @OBJFWRT_FRAMEWORK@
OBJFWRT_AMIGA_LIB = @OBJFWRT_AMIGA_LIB@
OBJFWRT_LIB_MAJOR = 1

LOOKUP_ASM_LOOKUP_ASM_A = @LOOKUP_ASM_LOOKUP_ASM_A@
LOOKUP_ASM_LOOKUP_ASM_LIB_A = @LOOKUP_ASM_LOOKUP_ASM_LIB_A@
MAP_LDFLAGS = @MAP_LDFLAGS@
OFARC = @OFARC@
OFDNS = @OFDNS@
OFHASH = @OFHASH@
OFHTTP = @OFHTTP@
OFSOCK = @OFSOCK@
OF_BLOCK_TESTS_M = @OF_BLOCK_TESTS_M@
OF_EPOLL_KERNEL_EVENT_OBSERVER_M = @OF_EPOLL_KERNEL_EVENT_OBSERVER_M@
OF_HTTP_CLIENT_TESTS_M = @OF_HTTP_CLIENT_TESTS_M@
OF_KQUEUE_KERNEL_EVENT_OBSERVER_M = @OF_KQUEUE_KERNEL_EVENT_OBSERVER_M@
OF_POLL_KERNEL_EVENT_OBSERVER_M = @OF_POLL_KERNEL_EVENT_OBSERVER_M@
OF_PROCESS_M = @OF_PROCESS_M@
OF_SCTP_SOCKET_M = @OF_SCTP_SOCKET_M@
OF_SELECT_KERNEL_EVENT_OBSERVER_M = @OF_SELECT_KERNEL_EVENT_OBSERVER_M@
REEXPORT_RUNTIME = @REEXPORT_RUNTIME@
REEXPORT_RUNTIME_FRAMEWORK = @REEXPORT_RUNTIME_FRAMEWORK@
RUNTIME = @RUNTIME@
RUNTIME_FRAMEWORK_LIBS = @RUNTIME_FRAMEWORK_LIBS@
RUNTIME_LIBS = @RUNTIME_LIBS@
RUN_TESTS = @RUN_TESTS@
SFDC_INLINE_H = @SFDC_INLINE_H@
SFDC_TARGET = @SFDC_TARGET@
SFD_FILE = @SFD_FILE@
TESTPLUGIN = @TESTPLUGIN@
TESTPLUGIN_LIBS = @TESTPLUGIN_LIBS@
TESTS_LIBS = @TESTS_LIBS@
TESTS_STATIC_LIB = @TESTS_STATIC_LIB@
UNICODE_M = @UNICODE_M@
USE_INCLUDES_ATOMIC = @USE_INCLUDES_ATOMIC@
USE_SRCS_FILES = @USE_SRCS_FILES@
USE_SRCS_IPX = @USE_SRCS_IPX@
USE_SRCS_PLUGINS = @USE_SRCS_PLUGINS@
USE_SRCS_SCTP = @USE_SRCS_SCTP@
USE_SRCS_SOCKETS = @USE_SRCS_SOCKETS@
USE_SRCS_THREADS = @USE_SRCS_THREADS@
USE_SRCS_WINDOWS = @USE_SRCS_WINDOWS@
WRAPPER = @WRAPPER@

include ../extra.mk

SUBDIRS = ${RUNTIME} exceptions ${ENCODINGS} forwarding invocation
SUBDIRS_AFTER = ${BRIDGE}
DISTCLEAN = objfw-defs.h

SHARED_LIB = ${OBJFW_SHARED_LIB}
STATIC_LIB = ${OBJFW_STATIC_LIB}
FRAMEWORK = ${OBJFW_FRAMEWORK}
LIB_MAJOR = ${OBJFW_LIB_MAJOR}
LIB_MINOR = ${OBJFW_LIB_MINOR}

SRCS = OFASN1BitString.m		\
       OFASN1Boolean.m			\
       OFASN1Enumerated.m		\
       OFASN1IA5String.m		\
       OFASN1Integer.m			\
       OFASN1NumericString.m		\
       OFASN1ObjectIdentifier.m		\
       OFASN1OctetString.m		\
       OFASN1PrintableString.m		\
       OFASN1UTF8String.m		\
       OFASN1Value.m			\
       OFApplication.m			\
       OFArray.m			\
       OFBlock.m			\
       OFCharacterSet.m			\
       OFColor.m			\
       OFConstantString.m		\
       OFCountedSet.m			\
       OFData.m				\
       OFData+ASN1DERValue.m		\
       OFData+CryptoHashing.m		\
       OFData+MessagePackValue.m	\
       OFDate.m				\
       OFDictionary.m			\
       OFEnumerator.m			\
       OFFileManager.m			\
       OFGZIPStream.m			\

	     OFINIFile.m		\
	     OFSettings.m		\
	     OFString+PathAdditions.m
SRCS_IPX = OFIPXSocket.m	\
	   OFSPXSocket.m	\
	   OFSPXStreamSocket.m
SRCS_PLUGINS = OFPlugin.m
SRCS_SCTP = OFSCTPSocket.m
SRCS_SOCKETS = OFDNSQuery.m			\
	       OFDNSResolver.m			\
	       OFDNSResourceRecord.m		\
	       OFDNSResponse.m			\
	       OFDatagramSocket.m		\
	       OFHTTPClient.m			\
	       OFHTTPCookie.m			\
	       OFHTTPCookieManager.m		\
	       OFHTTPRequest.m			\
	       OFHTTPResponse.m			\
	       OFHTTPServer.m			\
	       OFSequencedPacketSocket.m	\
	       OFStreamSocket.m			\
	       OFTCPSocket.m			\
	       OFUDPSocket.m			\
	       socket.m				\
	       ${USE_SRCS_IPX}			\
	       ${USE_SRCS_SCTP}
SRCS_THREADS = OFCondition.m		\
	       OFMutex.m		\
	       OFRecursiveMutex.m	\
	       OFThreadPool.m		\
	       condition.m		\
	       mutex.m			\
	       thread.m			\
	       tlskey.m
SRCS_WINDOWS = OFWin32ConsoleStdIOStream.m	\
	       OFWindowsRegistryKey.m

INCLUDES_ATOMIC = atomic.h			\
		  atomic_builtins.h		\
		  atomic_no_threads.h		\
		  atomic_osatomic.h		\
		  atomic_powerpc.h		\
		  atomic_sync_builtins.h	\
		  atomic_x86.h
INCLUDES := ${SRCS:.m=.h}			\
	    OFASN1DERRepresentation.h		\
	    OFCollection.h			\
	    OFCryptoHash.h			\
	    OFJSONRepresentation.h		\
	    OFKernelEventObserver.h		\
	    OFKeyValueCoding.h			\
	    OFLocking.h				\
	    OFMessagePackRepresentation.h	\

		${OF_POLL_KERNEL_EVENT_OBSERVER_M}	\
		${OF_SELECT_KERNEL_EVENT_OBSERVER_M}	\
		OFTCPSocketSOCKS5Connector.m

OBJS_EXTRA = ${RUNTIME_RUNTIME_A}	\
	     ${EXCEPTIONS_EXCEPTIONS_A} \
	     ${ENCODINGS_ENCODINGS_A}	\
	     ${FORWARDING_FORWARDING_A}	\
	     ${INVOCATION_INVOCATION_A}
LIB_OBJS_EXTRA = ${RUNTIME_RUNTIME_LIB_A}	\
		 ${EXCEPTIONS_EXCEPTIONS_LIB_A}	\
		 ${ENCODINGS_ENCODINGS_LIB_A}	\
		 ${FORWARDING_FORWARDING_LIB_A}	\
		 ${INVOCATION_INVOCATION_LIB_A}

include ../buildsys.mk

CPPFLAGS += -I. -I.. -Iexceptions -Iruntime
LD = ${OBJC}
FRAMEWORK_LIBS := -Fruntime				\
		  ${RUNTIME_FRAMEWORK_LIBS}		\
		  ${REEXPORT_RUNTIME_FRAMEWORK}		\
		  ${LIBS}
LIBS := -Lruntime ${RUNTIME_LIBS} ${REEXPORT_RUNTIME} ${LIBS}

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "OFObject.h"
#import "OFASN1DERRepresentation.h"
#import "OFASN1Value.h"

OF_ASSUME_NONNULL_BEGIN

@class OFData;

/*!
 * @brief An ASN.1 BitString.
 */
OF_SUBCLASSING_RESTRICTED
@interface OFASN1BitString: OFObject <OFASN1DERRepresentation>
{
	OFData *_bitStringValue;
	size_t _bitStringLength;
}

/*!
 * @brief The BitString value.
 */
@property (readonly, nonatomic) OFData *bitStringValue;

/*!
 * @brief The length of the BitString in bits.
 */
@property (readonly, nonatomic) size_t bitStringLength;

/*!
 * @brief Creates an ASN.1 BitString with the specified BitString value and
 *	  length.
 *
 * @param bitStringValue The value of the BitString
 * @param bitStringLength The length of the BitString in bits
 * @return A new, autoreleased OFASN1BitString
 */
+ (instancetype)bitStringWithBitStringValue: (OFData *)bitStringValue
			    bitStringLength: (size_t)bitStringLength;

- (instancetype)init OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated ASN.1 BitString with the specified
 *	  BitString value and length.
 *
 * @param bitStringValue The value of the BitString
 * @param bitStringLength The length of the BitString in bits
 * @return An initialized OFASN1BitString
 */
- (instancetype)initWithBitStringValue: (OFData *)bitStringValue
		       bitStringLength: (size_t)bitStringLength
    OF_DESIGNATED_INITIALIZER;

/*!
 * @brief Initializes an already allocated ASN.1 BitString with the specified
 *	  arguments.
 *
 * @param tagClass The tag class of the value's type
 * @param tagNumber The tag number of the value's type
 * @param constructed Whether the value if of a constructed type
 * @param DEREncodedContents The DER-encoded contents octets of the value.
 * @return An initialized OFASN1BitString
 */
- (instancetype)initWithTagClass: (of_asn1_tag_class_t)tagClass
		       tagNumber: (of_asn1_tag_number_t)tagNumber
		     constructed: (bool)constructed
	      DEREncodedContents: (OFData *)DEREncodedContents;
@end

OF_ASSUME_NONNULL_END

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#import "OFASN1BitString.h"
#import "OFData.h"
#import "OFString.h"

#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"
#import "OFOutOfRangeException.h"

@implementation OFASN1BitString
@synthesize bitStringValue = _bitStringValue;
@synthesize bitStringLength = _bitStringLength;

+ (instancetype)bitStringWithBitStringValue: (OFData *)bitStringValue
			    bitStringLength: (size_t)bitStringLength
{
	return [[[self alloc]
	    initWithBitStringValue: bitStringValue
		   bitStringLength: bitStringLength] autorelease];
}

- (instancetype)initWithBitStringValue: (OFData *)bitStringValue
		       bitStringLength: (size_t)bitStringLength
{
	self = [super init];

	@try {
		if (bitStringValue.count * bitStringValue.itemSize !=
		    OF_ROUND_UP_POW2(8, bitStringLength) / 8)
			@throw [OFInvalidFormatException exception];

		_bitStringValue = [bitStringValue copy];
		_bitStringLength = bitStringLength;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (instancetype)initWithTagClass: (of_asn1_tag_class_t)tagClass
		       tagNumber: (of_asn1_tag_number_t)tagNumber
		     constructed: (bool)constructed
	      DEREncodedContents: (OFData *)DEREncodedContents
{
	void *pool = objc_autoreleasePoolPush();
	OFData *bitStringValue;
	size_t bitStringLength;

	@try {
		unsigned char unusedBits;
		size_t count = DEREncodedContents.count;

		if (tagClass != OF_ASN1_TAG_CLASS_UNIVERSAL ||
		    tagNumber != OF_ASN1_TAG_NUMBER_BIT_STRING || constructed)
			@throw [OFInvalidArgumentException exception];

		if (DEREncodedContents.itemSize != 1 || count == 0)
			@throw [OFInvalidFormatException exception];

		unusedBits =
		    *(unsigned char *)[DEREncodedContents itemAtIndex: 0];

		if (unusedBits > 7)
			@throw [OFInvalidFormatException exception];

		/*
		 * Can't have any bits of the last byte unused if we have no
		 * byte.
		 */
		if (count == 1 && unusedBits != 0)
			@throw [OFInvalidFormatException exception];

		if (SIZE_MAX / 8 < count - 1)
			@throw [OFOutOfRangeException exception];

		bitStringLength = (count - 1) * 8;
		bitStringValue = [DEREncodedContents subdataWithRange:
		    of_range(1, count - 1)];

		if (unusedBits != 0)
			bitStringLength -= unusedBits;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	self = [self initWithBitStringValue: bitStringValue
			    bitStringLength: bitStringLength];

	objc_autoreleasePoolPop(pool);

	return self;
}

- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}

- (void)dealloc
{
	[_bitStringValue release];

	[super dealloc];
}

- (OFData *)ASN1DERRepresentation
{
	size_t bitStringValueCount = [_bitStringValue count];
	size_t roundedUpLength = OF_ROUND_UP_POW2(8, _bitStringLength);
	unsigned char unusedBits = roundedUpLength - _bitStringLength;
	unsigned char header[] = {
		OF_ASN1_TAG_NUMBER_BIT_STRING,
		bitStringValueCount + 1,
		unusedBits
	};
	OFMutableData *data;

	if (bitStringValueCount + 1 > UINT8_MAX ||
	    bitStringValueCount != roundedUpLength / 8)
		@throw [OFInvalidFormatException exception];

	data = [OFMutableData
	    dataWithCapacity: sizeof(header) + bitStringValueCount];
	[data addItems: header
		 count: sizeof(header)];
	[data addItems: [_bitStringValue items]
		 count: bitStringValueCount];

	[data makeImmutable];

	return data;
}

- (bool)isEqual: (id)object
{
	OFASN1BitString *bitString;

	if (object == self)
		return true;

	if (![object isKindOfClass: [OFASN1BitString class]])
		return false;

	bitString = object;

	if (![bitString->_bitStringValue isEqual: _bitStringValue])
		return false;
	if (bitString->_bitStringLength != _bitStringLength)
		return false;

	return true;
}

- (uint32_t)hash
{
	return _bitStringValue.hash + (uint32_t)_bitStringLength;
}

- (OFString *)description
{
	return [OFString stringWithFormat: @"<OFASN1BitString: %@ (%zu bits)>",
					   _bitStringValue, _bitStringLength];
}
@end

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "OFObject.h"
#import "OFASN1DERRepresentation.h"
#import "OFASN1Value.h"

OF_ASSUME_NONNULL_BEGIN

/*!
 * @brief An ASN.1 Boolean.
 */
OF_SUBCLASSING_RESTRICTED
@interface OFASN1Boolean: OFObject <OFASN1DERRepresentation>
{
	bool _booleanValue;
}

/*!
 * @brief The Boolean value.
 */
@property (readonly, nonatomic) bool booleanValue;

/*!
 * @brief Creates an ASN.1 Boolean with the specified Boolean value.
 *
 * @param booleanValue The value of the Boolean
 * @return A new, autoreleased OFASN1Boolean
 */
+ (instancetype)booleanWithBooleanValue: (bool)booleanValue;

- (instancetype)init OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated ASN.1 Boolean with the specified
 *	  Boolean value.
 *
 * @param booleanValue The value of the Boolean
 * @return An initialized OFASN1Boolean
 */
- (instancetype)initWithBooleanValue: (bool)booleanValue
    OF_DESIGNATED_INITIALIZER;

/*!
 * @brief Initializes an already allocated ASN.1 Boolean with the specified
 *	  arguments.
 *
 * @param tagClass The tag class of the value's type
 * @param tagNumber The tag number of the value's type
 * @param constructed Whether the value if of a constructed type
 * @param DEREncodedContents The DER-encoded contents octets of the value.
 * @return An initialized OFASN1Boolean
 */
- (instancetype)initWithTagClass: (of_asn1_tag_class_t)tagClass
		       tagNumber: (of_asn1_tag_number_t)tagNumber
		     constructed: (bool)constructed
	      DEREncodedContents: (OFData *)DEREncodedContents;
@end

OF_ASSUME_NONNULL_END

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#import "OFASN1Boolean.h"
#import "OFData.h"
#import "OFString.h"

#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"

@implementation OFASN1Boolean
@synthesize booleanValue = _booleanValue;

+ (instancetype)booleanWithBooleanValue: (bool)booleanValue
{
	return [[[self alloc] initWithBooleanValue: booleanValue] autorelease];
}

- (instancetype)initWithBooleanValue: (bool)booleanValue
{
	self = [super init];

	_booleanValue = booleanValue;

	return self;
}

- (instancetype)initWithTagClass: (of_asn1_tag_class_t)tagClass
		       tagNumber: (of_asn1_tag_number_t)tagNumber
		     constructed: (bool)constructed
	      DEREncodedContents: (OFData *)DEREncodedContents
{
	unsigned char value;

	@try {
		if (tagClass != OF_ASN1_TAG_CLASS_UNIVERSAL ||
		    tagNumber != OF_ASN1_TAG_NUMBER_BOOLEAN || constructed)
			@throw [OFInvalidArgumentException exception];

		if (DEREncodedContents.itemSize != 1 ||
		    DEREncodedContents.count != 1)
			@throw [OFInvalidFormatException exception];

		value = *(unsigned char *)[DEREncodedContents itemAtIndex: 0];

		if (value != 0 && value != 0xFF)
			@throw [OFInvalidFormatException exception];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return [self initWithBooleanValue: !!value];
}

- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}

- (OFData *)ASN1DERRepresentation
{
	char buffer[] = {
		OF_ASN1_TAG_NUMBER_BOOLEAN,
		1,
		(_booleanValue ? 0xFF : 0x00)
	};

	return [OFData dataWithItems: buffer
			       count: sizeof(buffer)];
}

- (bool)isEqual: (id)object
{
	OFASN1Boolean *boolean;

	if (object == self)
		return true;

	if (![object isKindOfClass: [OFASN1Boolean class]])
		return false;

	boolean = object;

	if (boolean->_booleanValue != _booleanValue)
		return false;

	return true;
}

- (uint32_t)hash
{
	return (uint32_t)_booleanValue;
}

- (OFString *)description
{
	return (_booleanValue
	    ? @"<OFASN1Boolean: true>"
	    : @"<OFASN1Boolean: false>");
}
@end

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "OFObject.h"

OF_ASSUME_NONNULL_BEGIN

@class OFData;

/*!
 * @protocol OFASN1DERRepresentation \
 *	     OFASN1DERRepresentation.h ObjFW/OFASN1DERRepresentation.h
 *
 * @brief A protocol implemented by classes that support encoding to ASN.1 DER
 *	  representation.
 */
@protocol OFASN1DERRepresentation
/*!
 * @brief The object in ASN.1 DER representation.
 */
@property (readonly, nonatomic) OFData *ASN1DERRepresentation;
@end

OF_ASSUME_NONNULL_END

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "OFObject.h"
#import "OFASN1Value.h"

OF_ASSUME_NONNULL_BEGIN

/*!
 * @brief An ASN.1 Enumerated.
 */
OF_SUBCLASSING_RESTRICTED
@interface OFASN1Enumerated: OFObject
{
	intmax_t _integerValue;
}

/*!
 * @brief The integer value.
 */
@property (readonly, nonatomic) intmax_t integerValue;

/*!
 * @brief Creates an ASN.1 Enumerated with the specified integer value.
 *
 * @param integerValue The integer value of the Enumerated
 * @return A new, autoreleased OFASN1Enumerated
 */
+ (instancetype)enumeratedWithIntegerValue: (intmax_t)integerValue;

- (instancetype)init OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated ASN.1 Enumerated with the specified
 *	  integer value.
 *
 * @param integerValue The integer value of the Enumerated
 * @return An initialized OFASN1Enumerated
 */
- (instancetype)initWithIntegerValue: (intmax_t)integerValue
    OF_DESIGNATED_INITIALIZER;

/*!
 * @brief Initializes an already allocated ASN.1 Enumerated with the specified
 *	  arguments.
 *
 * @param tagClass The tag class of the value's type
 * @param tagNumber The tag number of the value's type
 * @param constructed Whether the value if of a constructed type
 * @param DEREncodedContents The DER-encoded contents octets of the value.
 * @return An initialized OFASN1Enumerated
 */
- (instancetype)initWithTagClass: (of_asn1_tag_class_t)tagClass
		       tagNumber: (of_asn1_tag_number_t)tagNumber
		     constructed: (bool)constructed
	      DEREncodedContents: (OFData *)DEREncodedContents;
@end

OF_ASSUME_NONNULL_END

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#import "OFASN1Enumerated.h"
#import "OFData.h"
#import "OFString.h"

#import "OFInvalidArgumentException.h"

extern intmax_t of_asn1_der_integer_parse(const unsigned char *buffer,
    size_t length);

@implementation OFASN1Enumerated
@synthesize integerValue = _integerValue;

+ (instancetype)enumeratedWithIntegerValue: (intmax_t)integerValue
{
	return [[[self alloc] initWithIntegerValue: integerValue] autorelease];
}

- (instancetype)initWithIntegerValue: (intmax_t)integerValue
{
	self = [super init];

	_integerValue = integerValue;

	return self;
}

- (instancetype)initWithTagClass: (of_asn1_tag_class_t)tagClass
		       tagNumber: (of_asn1_tag_number_t)tagNumber
		     constructed: (bool)constructed
	      DEREncodedContents: (OFData *)DEREncodedContents
{
	intmax_t integerValue;

	@try {
		if (tagClass != OF_ASN1_TAG_CLASS_UNIVERSAL ||
		    tagNumber != OF_ASN1_TAG_NUMBER_ENUMERATED || constructed)
			@throw [OFInvalidArgumentException exception];

		if (DEREncodedContents.itemSize != 1)
			@throw [OFInvalidArgumentException exception];

		integerValue = of_asn1_der_integer_parse(
		    DEREncodedContents.items, DEREncodedContents.count);
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return [self initWithIntegerValue: integerValue];
}

- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}

- (bool)isEqual: (id)object
{
	OFASN1Enumerated *enumerated;

	if (object == self)
		return true;

	if (![object isKindOfClass: [OFASN1Enumerated class]])
		return false;

	enumerated = object;

	if (enumerated->_integerValue != _integerValue)
		return false;

	return true;
}

- (uint32_t)hash
{
	return (uint32_t)_integerValue;
}

- (OFString *)description
{
	return [OFString stringWithFormat: @"<OFASN1Enumerated: %jd>",
					   _integerValue];
}
@end

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "OFObject.h"
#import "OFASN1Value.h"

OF_ASSUME_NONNULL_BEGIN

@class OFString;

/*!
 * @brief An ASN.1 IA5String.
 */
OF_SUBCLASSING_RESTRICTED
@interface OFASN1IA5String: OFObject
{
	OFString *_IA5StringValue;
}

/*!
 * @brief The IA5String value.
 */
@property (readonly, nonatomic) OFString *IA5StringValue;

/*!
 * @brief The string value.
 */
@property (readonly, nonatomic) OFString *stringValue;

/*!
 * @brief Creates an IA5String with the specified string value.
 *
 * @param stringValue The string value of the IA5String
 * @return A new, autoreleased OFASN1IA5String
 */
+ (instancetype)stringWithStringValue: (OFString *)stringValue;

- (instancetype)init OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated IA5String with the specified string
 *	  value.
 *
 * @param stringValue The string value of the IA5String
 * @return An initialized OFASN1IA5String
 */
- (instancetype)initWithStringValue: (OFString *)stringValue
    OF_DESIGNATED_INITIALIZER;

/*!
 * @brief Initializes an already allocated ASN.1 IA5String with the specified
 *	  arguments.
 *
 * @param tagClass The tag class of the value's type
 * @param tagNumber The tag number of the value's type
 * @param constructed Whether the value if of a constructed type
 * @param DEREncodedContents The DER-encoded contents octets of the value.
 * @return An initialized OFASN1IA5String
 */
- (instancetype)initWithTagClass: (of_asn1_tag_class_t)tagClass
		       tagNumber: (of_asn1_tag_number_t)tagNumber
		     constructed: (bool)constructed
	      DEREncodedContents: (OFData *)DEREncodedContents;
@end

OF_ASSUME_NONNULL_END

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#import "OFASN1IA5String.h"
#import "OFData.h"
#import "OFString.h"

#import "OFInvalidArgumentException.h"

@implementation OFASN1IA5String
@synthesize IA5StringValue = _IA5StringValue;

+ (instancetype)stringWithStringValue: (OFString *)stringValue
{
	return [[[self alloc] initWithStringValue: stringValue] autorelease];
}

- (instancetype)initWithStringValue: (OFString *)stringValue
{
	self = [super init];

	@try {
		_IA5StringValue = [stringValue copy];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (instancetype)initWithTagClass: (of_asn1_tag_class_t)tagClass
		       tagNumber: (of_asn1_tag_number_t)tagNumber
		     constructed: (bool)constructed
	      DEREncodedContents: (OFData *)DEREncodedContents
{
	void *pool = objc_autoreleasePoolPush();
	OFString *IA5StringValue;

	@try {
		if (tagClass != OF_ASN1_TAG_CLASS_UNIVERSAL ||
		    tagNumber != OF_ASN1_TAG_NUMBER_IA5_STRING || constructed)
			@throw [OFInvalidArgumentException exception];

		if (DEREncodedContents.itemSize != 1)
			@throw [OFInvalidArgumentException exception];

		IA5StringValue = [OFString
		    stringWithCString: DEREncodedContents.items
			     encoding: OF_STRING_ENCODING_ASCII
			       length: DEREncodedContents.count];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	self = [self initWithStringValue: IA5StringValue];

	objc_autoreleasePoolPop(pool);

	return self;
}

- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}

- (void)dealloc
{
	[_IA5StringValue release];

	[super dealloc];
}

- (OFString *)stringValue
{
	return self.IA5StringValue;
}

- (bool)isEqual: (id)object
{
	OFASN1IA5String *IA5String;

	if (object == self)
		return true;

	if (![object isKindOfClass: [OFASN1IA5String class]])
		return false;

	IA5String = object;

	if (![IA5String->_IA5StringValue isEqual: _IA5StringValue])
		return false;

	return true;
}

- (uint32_t)hash
{
	return _IA5StringValue.hash;
}

- (OFString *)description
{
	return [OFString stringWithFormat: @"<OFASN1IA5String: %@>",
					   _IA5StringValue];
}
@end

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "OFObject.h"
#import "OFASN1Value.h"

OF_ASSUME_NONNULL_BEGIN

/*!
 * @brief An ASN.1 Integer.
 */
OF_SUBCLASSING_RESTRICTED
@interface OFASN1Integer: OFObject
{
	intmax_t _integerValue;
}

/*!
 * @brief The Integer value.
 */
@property (readonly, nonatomic) intmax_t integerValue;

/*!
 * @brief Creates an ASN.1 Integer with the specified integer value.
 *
 * @param integerValue The integer value of the Integer
 * @return A new, autoreleased OFASN1Integer
 */
+ (instancetype)integerWithIntegerValue: (intmax_t)integerValue;

- (instancetype)init OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated ASN.1 Integer with the specified
 *	  integer value.
 *
 * @param integerValue The integer value of the Integer
 * @return An initialized OFASN1Integer
 */
- (instancetype)initWithIntegerValue: (intmax_t)integerValue
    OF_DESIGNATED_INITIALIZER;

/*!
 * @brief Initializes an already allocated ASN.1 Integer with the specified
 *	  arguments.
 *
 * @param tagClass The tag class of the value's type
 * @param tagNumber The tag number of the value's type
 * @param constructed Whether the value if of a constructed type
 * @param DEREncodedContents The DER-encoded contents octets of the value.
 * @return An initialized OFASN1Integer
 */
- (instancetype)initWithTagClass: (of_asn1_tag_class_t)tagClass
		       tagNumber: (of_asn1_tag_number_t)tagNumber
		     constructed: (bool)constructed
	      DEREncodedContents: (OFData *)DEREncodedContents;
@end

OF_ASSUME_NONNULL_END

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#import "OFASN1Integer.h"
#import "OFData.h"
#import "OFString.h"

#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"
#import "OFOutOfRangeException.h"

intmax_t
of_asn1_der_integer_parse(const unsigned char *buffer, size_t length)
{
	uintmax_t value = 0;

	/* TODO: Support for big numbers */
	if (length > sizeof(uintmax_t) &&
	    (length != sizeof(uintmax_t) + 1 || buffer[0] != 0))
		@throw [OFOutOfRangeException exception];

	if (length >= 2 && ((buffer[0] == 0 && !(buffer[1] & 0x80)) ||
	    (buffer[0] == 0xFF && buffer[1] & 0x80)))
		@throw [OFInvalidFormatException exception];

	if (length >= 1 && buffer[0] & 0x80)
		value = ~(uintmax_t)0;

	while (length--)
		value = (value << 8) | *buffer++;

	return value;
}

@implementation OFASN1Integer
@synthesize integerValue = _integerValue;

+ (instancetype)integerWithIntegerValue: (intmax_t)integerValue
{
	return [[[self alloc] initWithIntegerValue: integerValue] autorelease];
}

- (instancetype)initWithIntegerValue: (intmax_t)integerValue
{
	self = [super init];

	_integerValue = integerValue;

	return self;
}

- (instancetype)initWithTagClass: (of_asn1_tag_class_t)tagClass
		       tagNumber: (of_asn1_tag_number_t)tagNumber
		     constructed: (bool)constructed
	      DEREncodedContents: (OFData *)DEREncodedContents
{
	intmax_t integerValue;

	@try {
		if (tagClass != OF_ASN1_TAG_CLASS_UNIVERSAL ||
		    tagNumber != OF_ASN1_TAG_NUMBER_INTEGER || constructed)
			@throw [OFInvalidArgumentException exception];

		if (DEREncodedContents.itemSize != 1)
			@throw [OFInvalidArgumentException exception];

		integerValue = of_asn1_der_integer_parse(
		    DEREncodedContents.items, DEREncodedContents.count);
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return [self initWithIntegerValue: integerValue];
}

- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}

- (bool)isEqual: (id)object
{
	OFASN1Integer *integer;

	if (object == self)
		return true;

	if (![object isKindOfClass: [OFASN1Integer class]])
		return false;

	integer = object;

	if (integer->_integerValue != _integerValue)
		return false;

	return true;
}

- (uint32_t)hash
{
	return (uint32_t)_integerValue;
}

- (OFString *)description
{
	return [OFString stringWithFormat: @"<OFASN1Integer: %jd>",
					   _integerValue];
}
@end

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "OFObject.h"
#import "OFASN1Value.h"

OF_ASSUME_NONNULL_BEGIN

@class OFString;

/*!
 * @brief An ASN.1 NumericString.
 */
OF_SUBCLASSING_RESTRICTED
@interface OFASN1NumericString: OFObject
{
	OFString *_numericStringValue;
}

/*!
 * @brief The NumericString value.
 */
@property (readonly, nonatomic) OFString *numericStringValue;

/*!
 * @brief The string value.
 */
@property (readonly, nonatomic) OFString *stringValue;

/*!
 * @brief Creates an NumericString with the specified string value.
 *
 * @param stringValue The string value of the NumericString
 * @return A new, autoreleased OFASN1NumericString
 */
+ (instancetype)stringWithStringValue: (OFString *)stringValue;

- (instancetype)init OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated NumericString with the specified
 *	  string value.
 *
 * @param stringValue The string value of the NumericString
 * @return An initialized OFASN1NumericString
 */
- (instancetype)initWithStringValue: (OFString *)stringValue
    OF_DESIGNATED_INITIALIZER;

/*!
 * @brief Initializes an already allocated ASN.1 NumericString with the
 *	  specified arguments.
 *
 * @param tagClass The tag class of the value's type
 * @param tagNumber The tag number of the value's type
 * @param constructed Whether the value if of a constructed type
 * @param DEREncodedContents The DER-encoded contents octets of the value.
 * @return An initialized ASN.1 NumericString
 */
- (instancetype)initWithTagClass: (of_asn1_tag_class_t)tagClass
		       tagNumber: (of_asn1_tag_number_t)tagNumber
		     constructed: (bool)constructed
	      DEREncodedContents: (OFData *)DEREncodedContents;
@end

OF_ASSUME_NONNULL_END

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#import "OFASN1NumericString.h"
#import "OFData.h"
#import "OFString.h"

#import "OFInvalidArgumentException.h"
#import "OFInvalidEncodingException.h"

@implementation OFASN1NumericString
@synthesize numericStringValue = _numericStringValue;

+ (instancetype)stringWithStringValue: (OFString *)stringValue
{
	return [[[self alloc] initWithStringValue: stringValue] autorelease];
}

- (instancetype)initWithStringValue: (OFString *)stringValue
{
	self = [super init];

	@try {
		void *pool = objc_autoreleasePoolPush();
		const char *cString = stringValue.UTF8String;
		size_t length = stringValue.UTF8StringLength;

		for (size_t i = 0; i < length; i++)
			if (!of_ascii_isdigit(cString[i]) && cString[i] != ' ')
				@throw [OFInvalidEncodingException exception];

		_numericStringValue = [stringValue copy];

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

	return self;
}

- (instancetype)initWithTagClass: (of_asn1_tag_class_t)tagClass
		       tagNumber: (of_asn1_tag_number_t)tagNumber
		     constructed: (bool)constructed
	      DEREncodedContents: (OFData *)DEREncodedContents
{
	void *pool = objc_autoreleasePoolPush();
	OFString *numericStringValue;

	@try {
		if (tagClass != OF_ASN1_TAG_CLASS_UNIVERSAL ||
		    tagNumber != OF_ASN1_TAG_NUMBER_NUMERIC_STRING ||
		    constructed)
			@throw [OFInvalidArgumentException exception];

		if (DEREncodedContents.itemSize != 1)
			@throw [OFInvalidArgumentException exception];

		numericStringValue = [OFString
		    stringWithCString: DEREncodedContents.items
			     encoding: OF_STRING_ENCODING_ASCII
			       length: DEREncodedContents.count];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	self = [self initWithStringValue: numericStringValue];

	objc_autoreleasePoolPop(pool);

	return self;
}

- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}

- (void)dealloc
{
	[_numericStringValue release];

	[super dealloc];
}

- (OFString *)stringValue
{
	return self.numericStringValue;
}

- (bool)isEqual: (id)object
{
	OFASN1NumericString *numericString;

	if (object == self)
		return true;

	if (![object isKindOfClass: [OFASN1NumericString class]])
		return false;

	numericString = object;

	if (![numericString->_numericStringValue isEqual: _numericStringValue])
		return false;

	return true;
}

- (uint32_t)hash
{
	return _numericStringValue.hash;
}

- (OFString *)description
{
	return [OFString stringWithFormat: @"<OFASN1NumericString: %@>",
					   _numericStringValue];
}
@end

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "OFObject.h"
#import "OFASN1Value.h"

OF_ASSUME_NONNULL_BEGIN

@class OFArray OF_GENERIC(ObjetType);
@class OFNumber;

/*!
 * @brief An ASN.1 ObjectIdentifier.
 */
OF_SUBCLASSING_RESTRICTED
@interface OFASN1ObjectIdentifier: OFObject
{
	OFArray OF_GENERIC(OFNumber *) *_subidentifiers;
}

/*!
 * @brief The subidentifiers of the ObjectIdentifier.
 */
@property (readonly, nonatomic) OFArray OF_GENERIC(OFNumber *) *subidentifiers;

/*!
 * @brief Creates an ASN.1 ObjectIdentifier with the specified subidentifiers.
 *
 * @param subidentifiers The subidentifiers of the ASN.1 ObjectIdentifier
 * @return A new, autoreleased OFASN1ObjectIdentifier
 */
+ (instancetype)objectIdentifierWithSubidentifiers:
    (OFArray OF_GENERIC(OFNumber *) *)subidentifiers;

- (instancetype)init OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated ASN.1 ObjectIdentifier with the
 *	  specified subidentifiers.
 *
 * @param subidentifiers The subidentifiers of the ASN.1 ObjectIdentifier
 * @return An initialized OFASN1ObjectIdentifier
 */
- (instancetype)initWithSubidentifiers:
    (OFArray OF_GENERIC(OFNumber *) *)subidentifiers OF_DESIGNATED_INITIALIZER;

/*!
 * @brief Initializes an already allocated ASN.1 ObjectIdentifier with the
 *	  specified arguments.
 *
 * @param tagClass The tag class of the value's type
 * @param tagNumber The tag number of the value's type
 * @param constructed Whether the value if of a constructed type
 * @param DEREncodedContents The DER-encoded contents octets of the value.
 * @return An initialized OFASN1ObjectIdentifier
 */
- (instancetype)initWithTagClass: (of_asn1_tag_class_t)tagClass
		       tagNumber: (of_asn1_tag_number_t)tagNumber
		     constructed: (bool)constructed
	      DEREncodedContents: (OFData *)DEREncodedContents;
@end

OF_ASSUME_NONNULL_END

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#import "OFASN1ObjectIdentifier.h"
#import "OFArray.h"
#import "OFData.h"
#import "OFNumber.h"
#import "OFString.h"

#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"
#import "OFOutOfRangeException.h"

@implementation OFASN1ObjectIdentifier
@synthesize subidentifiers = _subidentifiers;

+ (instancetype)objectIdentifierWithSubidentifiers:
    (OFArray OF_GENERIC(OFNumber *) *)subidentifiers
{
	return [[[self alloc]
	    initWithSubidentifiers: subidentifiers] autorelease];
}

- (instancetype)initWithSubidentifiers:
    (OFArray OF_GENERIC(OFNumber *) *)subidentifiers
{
	self = [super init];

	@try {
		if (subidentifiers.count < 1)
			@throw [OFInvalidFormatException exception];

		switch ([[subidentifiers objectAtIndex: 0] intMaxValue]) {
		case 0:
		case 1:
		case 2:
			break;
		default:
			@throw [OFInvalidFormatException exception];
		}

		_subidentifiers = [subidentifiers copy];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (instancetype)initWithTagClass: (of_asn1_tag_class_t)tagClass
		       tagNumber: (of_asn1_tag_number_t)tagNumber
		     constructed: (bool)constructed
	      DEREncodedContents: (OFData *)DEREncodedContents
{
	void *pool = objc_autoreleasePoolPush();
	OFMutableArray OF_GENERIC(OFNumber *) *subidentifiers;

	@try {
		const unsigned char *items = DEREncodedContents.items;
		size_t count = DEREncodedContents.count;
		uintmax_t value = 0;
		uint_fast8_t bits = 0;

		if (tagClass != OF_ASN1_TAG_CLASS_UNIVERSAL ||
		    tagNumber != OF_ASN1_TAG_NUMBER_OBJECT_IDENTIFIER ||
		    constructed)
			@throw [OFInvalidArgumentException exception];

		if (DEREncodedContents.itemSize != 1 || count == 0)
			@throw [OFInvalidArgumentException exception];

		subidentifiers = [OFMutableArray array];

		for (size_t i = 0; i < count; i++) {
			if (bits == 0 && items[i] == 0x80)
				@throw [OFInvalidFormatException exception];

			value = (value << 7) | (items[i] & 0x7F);
			bits += 7;

			if (bits > sizeof(uintmax_t) * 8)
				@throw [OFOutOfRangeException exception];

			if (items[i] & 0x80)
				continue;

			if (subidentifiers.count == 0) {
				if (value < 40)
					[subidentifiers addObject:
					    [OFNumber numberWithUIntMax: 0]];
				else if (value < 80) {
					[subidentifiers addObject:
					    [OFNumber numberWithUIntMax: 1]];
					value -= 40;
				} else {
					[subidentifiers addObject:
					    [OFNumber numberWithUIntMax: 2]];
					value -= 80;
				}
			}

			[subidentifiers addObject:
			    [OFNumber numberWithUIntMax: value]];

			value = 0;
			bits = 0;
		}

		if (items[count - 1] & 0x80)
			@throw [OFInvalidFormatException exception];

		[subidentifiers makeImmutable];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	self = [self initWithSubidentifiers: subidentifiers];

	objc_autoreleasePoolPop(pool);

	return self;
}

- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}

- (void)dealloc
{
	[_subidentifiers release];

	[super dealloc];
}

- (bool)isEqual: (id)object
{
	OFASN1ObjectIdentifier *objectIdentifier;

	if (object == self)
		return true;

	if (![object isKindOfClass: [OFASN1ObjectIdentifier class]])
		return false;

	objectIdentifier = object;

	if (![objectIdentifier->_subidentifiers isEqual: _subidentifiers])
		return false;

	return true;
}

- (uint32_t)hash
{
	return _subidentifiers.hash;
}

- (OFString *)description
{
	return [OFString stringWithFormat:
	    @"<OFASN1ObjectIdentifier: %@>",
	    [_subidentifiers componentsJoinedByString: @"."]];
}
@end

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "OFObject.h"
#import "OFASN1Value.h"

OF_ASSUME_NONNULL_BEGIN

@class OFData;

/*!
 * @brief An ASN.1 OctetString.
 */
OF_SUBCLASSING_RESTRICTED
@interface OFASN1OctetString: OFObject
{
	OFData *_octetStringValue;
}

/*!
 * @brief The OctetString value.
 */
@property (readonly, nonatomic) OFData *octetStringValue;

/*!
 * @brief Creates an OctetString with the specified value.
 *
 * @param octetStringValue The OctetString value
 * @return A new, autoreleased OFASN1OctetString
 */
+ (instancetype)octetStringWithOctetStringValue: (OFData *)octetStringValue;

- (instancetype)init OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated OctetString with the specified
 *	  value.
 *
 * @param octetStringValue The OctetString value
 * @return An initialized OFASN1OctetString
 */
- (instancetype)initWithOctetStringValue: (OFData *)octetStringValue
    OF_DESIGNATED_INITIALIZER;

/*!
 * @brief Initializes an already allocated ASN.1 OctetString with the specified
 *	  arguments.
 *
 * @param tagClass The tag class of the value's type
 * @param tagNumber The tag number of the value's type
 * @param constructed Whether the value if of a constructed type
 * @param DEREncodedContents The DER-encoded contents octets of the value.
 * @return An initialized ASN.1 OctetString
 */
- (instancetype)initWithTagClass: (of_asn1_tag_class_t)tagClass
		       tagNumber: (of_asn1_tag_number_t)tagNumber
		     constructed: (bool)constructed
	      DEREncodedContents: (OFData *)DEREncodedContents;
@end

OF_ASSUME_NONNULL_END

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#import "OFASN1OctetString.h"
#import "OFData.h"
#import "OFString.h"

#import "OFInvalidArgumentException.h"

@implementation OFASN1OctetString
@synthesize octetStringValue = _octetStringValue;

+ (instancetype)octetStringWithOctetStringValue: (OFData *)octetStringValue
{
	return [[[self alloc]
	    initWithOctetStringValue: octetStringValue] autorelease];
}

- (instancetype)initWithOctetStringValue: (OFData *)octetStringValue
{
	self = [super init];

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

	return self;
}

- (instancetype)initWithTagClass: (of_asn1_tag_class_t)tagClass
		       tagNumber: (of_asn1_tag_number_t)tagNumber
		     constructed: (bool)constructed
	      DEREncodedContents: (OFData *)DEREncodedContents
{
	@try {
		if (tagClass != OF_ASN1_TAG_CLASS_UNIVERSAL ||
		    tagNumber != OF_ASN1_TAG_NUMBER_OCTET_STRING ||
		    constructed)
			@throw [OFInvalidArgumentException exception];

		if (DEREncodedContents.itemSize != 1)
			@throw [OFInvalidArgumentException exception];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return [self initWithOctetStringValue: DEREncodedContents];
}

- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}

- (void)dealloc
{
	[_octetStringValue release];

	[super dealloc];
}

- (bool)isEqual: (id)object
{
	OFASN1OctetString *octetString;

	if (object == self)
		return true;

	if (![object isKindOfClass: [OFASN1OctetString class]])
		return false;

	octetString = object;

	if (![octetString->_octetStringValue isEqual: _octetStringValue])
		return false;

	return true;
}

- (uint32_t)hash
{
	return _octetStringValue.hash;
}

- (OFString *)description
{
	return [OFString stringWithFormat: @"<OFASN1OctetString: %@>",
					   _octetStringValue];
}
@end

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "OFObject.h"
#import "OFASN1Value.h"

OF_ASSUME_NONNULL_BEGIN

@class OFString;

/*!
 * @brief An ASN.1 PrintableString.
 */
OF_SUBCLASSING_RESTRICTED
@interface OFASN1PrintableString: OFObject
{
	OFString *_printableStringValue;
}

/*!
 * @brief The PrintableString value.
 */
@property (readonly, nonatomic) OFString *printableStringValue;

/*!
 * @brief The string value.
 */
@property (readonly, nonatomic) OFString *stringValue;

/*!
 * @brief Creates a PrintableString with the specified string value.
 *
 * @param stringValue The string value of the PrintableString
 * @return A new, autoreleased OFASN1PrintableString
 */
+ (instancetype)stringWithStringValue: (OFString *)stringValue;

- (instancetype)init OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated PrintableString with the specified
 *	  string value.
 *
 * @param stringValue The string value of the PrintableString
 * @return An initialized OFASN1PrintableString
 */
- (instancetype)initWithStringValue: (OFString *)stringValue
    OF_DESIGNATED_INITIALIZER;

/*!
 * @brief Initializes an already allocated ASN.1 PrintableString with the
 *	  specified arguments.
 *
 * @param tagClass The tag class of the value's type
 * @param tagNumber The tag number of the value's type
 * @param constructed Whether the value if of a constructed type
 * @param DEREncodedContents The DER-encoded contents octets of the value.
 * @return An initialized OFASN1PrintableString
 */
- (instancetype)initWithTagClass: (of_asn1_tag_class_t)tagClass
		       tagNumber: (of_asn1_tag_number_t)tagNumber
		     constructed: (bool)constructed
	      DEREncodedContents: (OFData *)DEREncodedContents;
@end

OF_ASSUME_NONNULL_END

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#import "OFASN1PrintableString.h"
#import "OFData.h"
#import "OFString.h"

#import "OFInvalidArgumentException.h"
#import "OFInvalidEncodingException.h"

@implementation OFASN1PrintableString
@synthesize printableStringValue = _printableStringValue;

+ (instancetype)stringWithStringValue: (OFString *)stringValue
{
	return [[[self alloc] initWithStringValue: stringValue] autorelease];
}

- (instancetype)initWithStringValue: (OFString *)stringValue
{
	self = [super init];

	@try {
		void *pool = objc_autoreleasePoolPush();
		const char *cString = stringValue.UTF8String;
		size_t length = stringValue.UTF8StringLength;

		for (size_t i = 0; i < length; i++) {
			if (of_ascii_isalnum(cString[i]))
				continue;

			switch (cString[i]) {
			case ' ':
			case '\'':
			case '(':
			case ')':
			case '+':
			case ',':
			case '-':
			case '.':
			case '/':
			case ':':
			case '=':
			case '?':
				continue;
			default:
				@throw [OFInvalidEncodingException exception];
			}
		}

		_printableStringValue = [stringValue copy];

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

	return self;
}

- (instancetype)initWithTagClass: (of_asn1_tag_class_t)tagClass
		       tagNumber: (of_asn1_tag_number_t)tagNumber
		     constructed: (bool)constructed
	      DEREncodedContents: (OFData *)DEREncodedContents
{
	void *pool = objc_autoreleasePoolPush();
	OFString *printableStringValue;

	@try {
		if (tagClass != OF_ASN1_TAG_CLASS_UNIVERSAL ||
		    tagNumber != OF_ASN1_TAG_NUMBER_PRINTABLE_STRING ||
		    constructed)
			@throw [OFInvalidArgumentException exception];

		if (DEREncodedContents.itemSize != 1)
			@throw [OFInvalidArgumentException exception];

		printableStringValue = [OFString
		    stringWithCString: DEREncodedContents.items
			     encoding: OF_STRING_ENCODING_ASCII
			       length: DEREncodedContents.count];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	self = [self initWithStringValue: printableStringValue];

	objc_autoreleasePoolPop(pool);

	return self;
}

- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}

- (void)dealloc
{
	[_printableStringValue release];

	[super dealloc];
}

- (OFString *)stringValue
{
	return self.printableStringValue;
}

- (bool)isEqual: (id)object
{
	OFASN1PrintableString *printableString;

	if (object == self)
		return true;

	if (![object isKindOfClass: [OFASN1PrintableString class]])
		return false;

	printableString = object;

	if (![printableString->_printableStringValue isEqual:
	    _printableStringValue])
		return false;

	return true;
}

- (uint32_t)hash
{
	return _printableStringValue.hash;
}

- (OFString *)description
{
	return [OFString stringWithFormat: @"<OFASN1PrintableString: %@>",
					   _printableStringValue];
}
@end

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "OFObject.h"
#import "OFASN1Value.h"

OF_ASSUME_NONNULL_BEGIN

@class OFString;

/*!
 * @brief An ASN.1 UTF8String.
 */
OF_SUBCLASSING_RESTRICTED
@interface OFASN1UTF8String: OFObject
{
	OFString *_UTF8StringValue;
}

/*!
 * @brief The UTF8String value.
 */
@property (readonly, nonatomic) OFString *UTF8StringValue;

/*!
 * @brief The string value.
 */
@property (readonly, nonatomic) OFString *stringValue;

/*!
 * @brief Creates a UTF8String with the specified string value.
 *
 * @param stringValue The string value of the UTF8String
 * @return A new, autoreleased OFASN1UTF8String
 */
+ (instancetype)stringWithStringValue: (OFString *)stringValue;

- (instancetype)init OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated UTF8String with the specified
 *	  string value.
 *
 * @param stringValue The string value of the UTF8String
 * @return An initialized OFASN1UTF8String
 */
- (instancetype)initWithStringValue: (OFString *)stringValue
    OF_DESIGNATED_INITIALIZER;

/*!
 * @brief Initializes an already allocated ASN.1 UTF8String with the specified
 *	  arguments.
 *
 * @param tagClass The tag class of the value's type
 * @param tagNumber The tag number of the value's type
 * @param constructed Whether the value if of a constructed type
 * @param DEREncodedContents The DER-encoded contents octets of the value.
 * @return An initialized OFASN1UTF8String
 */
- (instancetype)initWithTagClass: (of_asn1_tag_class_t)tagClass
		       tagNumber: (of_asn1_tag_number_t)tagNumber
		     constructed: (bool)constructed
	      DEREncodedContents: (OFData *)DEREncodedContents;
@end

OF_ASSUME_NONNULL_END

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#import "OFASN1UTF8String.h"
#import "OFData.h"
#import "OFString.h"

#import "OFInvalidArgumentException.h"

@implementation OFASN1UTF8String
@synthesize UTF8StringValue = _UTF8StringValue;

+ (instancetype)stringWithStringValue: (OFString *)stringValue
{
	return [[[self alloc] initWithStringValue: stringValue] autorelease];
}

- (instancetype)initWithStringValue: (OFString *)stringValue
{
	self = [super init];

	@try {
		_UTF8StringValue = [stringValue copy];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (instancetype)initWithTagClass: (of_asn1_tag_class_t)tagClass
		       tagNumber: (of_asn1_tag_number_t)tagNumber
		     constructed: (bool)constructed
	      DEREncodedContents: (OFData *)DEREncodedContents
{
	void *pool = objc_autoreleasePoolPush();
	OFString *UTF8StringValue;

	@try {
		if (tagClass != OF_ASN1_TAG_CLASS_UNIVERSAL ||
		    tagNumber != OF_ASN1_TAG_NUMBER_UTF8_STRING || constructed)
			@throw [OFInvalidArgumentException exception];

		if (DEREncodedContents.itemSize != 1)
			@throw [OFInvalidArgumentException exception];

		UTF8StringValue = [OFString
		    stringWithUTF8String: DEREncodedContents.items
				  length: DEREncodedContents.count];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	self = [self initWithStringValue: UTF8StringValue];

	objc_autoreleasePoolPop(pool);

	return self;
}

- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}

- (void)dealloc
{
	[_UTF8StringValue release];

	[super dealloc];
}

- (OFString *)stringValue
{
	return self.UTF8StringValue;
}

- (bool)isEqual: (id)object
{
	OFASN1UTF8String *UTF8String;

	if (object == self)
		return true;

	if (![object isKindOfClass: [OFASN1UTF8String class]])
		return false;

	UTF8String = object;

	if (![UTF8String->_UTF8StringValue isEqual: _UTF8StringValue])
		return false;

	return true;
}

- (uint32_t)hash
{
	return _UTF8StringValue.hash;
}

- (OFString *)description
{
	return [OFString stringWithFormat: @"<OFASN1UTF8String: %@>",
					   _UTF8StringValue];
}
@end

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "OFObject.h"

OF_ASSUME_NONNULL_BEGIN

/*! @file */

@class OFData;

/*!
 * @brief ASN.1 tag class.
 */
typedef enum {
	/*! Universal */
	OF_ASN1_TAG_CLASS_UNIVERSAL	   = 0x0,
	/*! Application */
	OF_ASN1_TAG_CLASS_APPLICATION	   = 0x1,
	/*! Context specific */
	OF_ASN1_TAG_CLASS_CONTEXT_SPECIFIC = 0x2,
	/*! Private */
	OF_ASN1_TAG_CLASS_PRIVATE	   = 0x3
} of_asn1_tag_class_t;

/*!
 * @brief ASN.1 tag number.
 */
typedef enum {
	/*! Boolean */
	OF_ASN1_TAG_NUMBER_BOOLEAN	     = 0x01,
	/*! Integer */
	OF_ASN1_TAG_NUMBER_INTEGER	     = 0x02,
	/*! Bit string */
	OF_ASN1_TAG_NUMBER_BIT_STRING	     = 0x03,
	/*! Octet string */
	OF_ASN1_TAG_NUMBER_OCTET_STRING	     = 0x04,
	/*! Null */
	OF_ASN1_TAG_NUMBER_NULL		     = 0x05,
	/*! Object Identifier */
	OF_ASN1_TAG_NUMBER_OBJECT_IDENTIFIER = 0x06,
	/*! Enumerated */
	OF_ASN1_TAG_NUMBER_ENUMERATED	     = 0x0A,
	/*! UTF-8 string */
	OF_ASN1_TAG_NUMBER_UTF8_STRING	     = 0x0C,
	/*! Sequence */
	OF_ASN1_TAG_NUMBER_SEQUENCE	     = 0x10,
	/*! Set */
	OF_ASN1_TAG_NUMBER_SET		     = 0x11,
	/*! NumericString */
	OF_ASN1_TAG_NUMBER_NUMERIC_STRING    = 0x12,
	/*! PrintableString */
	OF_ASN1_TAG_NUMBER_PRINTABLE_STRING  = 0x13,
	/*! IA5String */
	OF_ASN1_TAG_NUMBER_IA5_STRING	     = 0x16
} of_asn1_tag_number_t;

/*!
 * @brief A class representing an ASN.1 value.
 */
OF_SUBCLASSING_RESTRICTED
@interface OFASN1Value: OFObject
{
	of_asn1_tag_class_t _tagClass;
	of_asn1_tag_number_t _tagNumber;
	bool _constructed;
	OFData *_DEREncodedContents;
}

/*!
 * @brief The tag class of the value's type.
 */
@property (readonly, nonatomic) of_asn1_tag_class_t tagClass;

/*!
 * @brief The tag number of the value's type.
 */
@property (readonly, nonatomic) of_asn1_tag_number_t tagNumber;

/*!
 * @brief Whether the value if of a constructed type.
 */
@property (readonly, nonatomic, getter=isConstructed) bool constructed;

/*!
 * @brief The DER-encoded contents octets of the value.
 */
@property (readonly, nonatomic) OFData *DEREncodedContents;

/*!
 * @brief Creates a new ASN.1 value with the specified arguments.
 *
 * @param tagClass The tag class of the value's type
 * @param tagNumber The tag number of the value's type
 * @param constructed Whether the value if of a constructed type
 * @param DEREncodedContents The DER-encoded contents octets of the value.
 * @return A new ASN.1 value
 */
+ (instancetype)valueWithTagClass: (of_asn1_tag_class_t)tagClass
			tagNumber: (of_asn1_tag_number_t)tagNumber
		      constructed: (bool)constructed
	       DEREncodedContents: (OFData *)DEREncodedContents;

- (instancetype)init OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated ASN.1 value with the specified
 *	  arguments.
 *
 * @param tagClass The tag class of the value's type
 * @param tagNumber The tag number of the value's type
 * @param constructed Whether the value if of a constructed type
 * @param DEREncodedContents The DER-encoded contents octets of the value.
 * @return An initialized ASN.1 value
 */
- (instancetype)initWithTagClass: (of_asn1_tag_class_t)tagClass
		       tagNumber: (of_asn1_tag_number_t)tagNumber
		     constructed: (bool)constructed
	      DEREncodedContents: (OFData *)DEREncodedContents
    OF_DESIGNATED_INITIALIZER;
@end

OF_ASSUME_NONNULL_END

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#import "OFASN1Value.h"
#import "OFData.h"
#import "OFString.h"

#import "OFInvalidFormatException.h"

@implementation OFASN1Value
@synthesize tagClass = _tagClass, tagNumber = _tagNumber;
@synthesize constructed = _constructed;
@synthesize DEREncodedContents = _DEREncodedContents;

+ (instancetype)valueWithTagClass: (of_asn1_tag_class_t)tagClass
			tagNumber: (of_asn1_tag_number_t)tagNumber
		      constructed: (bool)constructed
	       DEREncodedContents: (OFData *)DEREncodedContents
{
	return [[[self alloc]
	      initWithTagClass: tagClass
		     tagNumber: tagNumber
		   constructed: constructed
	    DEREncodedContents: DEREncodedContents] autorelease];
}

- (instancetype)initWithTagClass: (of_asn1_tag_class_t)tagClass
		       tagNumber: (of_asn1_tag_number_t)tagNumber
		     constructed: (bool)constructed
	      DEREncodedContents: (OFData *)DEREncodedContents
{
	self = [super init];

	@try {
		if (DEREncodedContents.itemSize != 1)
			@throw [OFInvalidFormatException exception];

		_tagClass = tagClass;
		_tagNumber = tagNumber;
		_constructed = constructed;
		_DEREncodedContents = [DEREncodedContents copy];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}

- (void)dealloc
{
	[_DEREncodedContents release];

	[super dealloc];
}

- (bool)isEqual: (id)object
{
	OFASN1Value *value;

	if (object == self)
		return true;

	if (![object isKindOfClass: [OFASN1Value class]])
		return false;

	value = object;

	if (value->_tagClass != _tagClass)
		return false;
	if (value->_tagNumber != _tagNumber)
		return false;
	if (value->_constructed != _constructed)
		return false;
	if (![value->_DEREncodedContents isEqual: _DEREncodedContents])
		return false;

	return true;
}

- (uint32_t)hash
{
	uint32_t hash;

	OF_HASH_INIT(hash);

	OF_HASH_ADD(hash, _tagClass & 0xFF);
	OF_HASH_ADD(hash, _tagNumber & 0xFF);
	OF_HASH_ADD(hash, _constructed);
	OF_HASH_ADD_HASH(hash, _DEREncodedContents.hash);

	OF_HASH_FINALIZE(hash);

	return hash;
}

- (OFString *)description
{
	return [OFString stringWithFormat:
	    @"<OFASN1Value:\n"
	    @"\tTag class = %x\n"
	    @"\tTag number = %x\n"
	    @"\tConstructed = %u\n"
	    @"\tDER-encoded contents = %@\n"
	    @">",
	    _tagClass, _tagNumber, _constructed,
	    _DEREncodedContents.description];
}
@end

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "OFData.h"
#import "OFASN1Value.h"

OF_ASSUME_NONNULL_BEGIN

#ifdef __cplusplus
extern "C" {
#endif
extern int _OFData_ASN1DERValue_reference;
#ifdef __cplusplus
}
#endif

@interface OFData (ASN1DERValue)
/*!
 * @brief The data interpreted as ASN.1 in DER representation and parsed as an
 *	  object.
 *
 * This is either an OFArray (for a sequence), an OFSet (for a set) or an
 * OFASN1Value.
 */
@property (readonly, nonatomic) id ASN1DERValue;

/*!
 * @brief Parses the ASN.1 DER representation and returns it as an object.
 *
 * This is either an OFArray (for a sequence), an OFSet (for a set) or an
 * OFASN1Value.
 *
 * @param depthLimit The maximum depth the parser should accept (defaults to 32
 *		     if not specified, 0 means no limit (insecure!))
 * @return The ASN.1 DER representation as an object
 */
- (id)ASN1DERValueWithDepthLimit: (size_t)depthLimit;
@end

OF_ASSUME_NONNULL_END

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#import "OFData+ASN1DERValue.h"
#import "OFASN1BitString.h"
#import "OFASN1Boolean.h"
#import "OFASN1Enumerated.h"
#import "OFASN1IA5String.h"
#import "OFASN1Integer.h"
#import "OFASN1NumericString.h"
#import "OFASN1ObjectIdentifier.h"
#import "OFASN1OctetString.h"
#import "OFASN1PrintableString.h"
#import "OFASN1UTF8String.h"
#import "OFASN1Value.h"
#import "OFArray.h"
#import "OFNull.h"
#import "OFSet.h"

#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"
#import "OFOutOfRangeException.h"
#import "OFTruncatedDataException.h"

enum {
	ASN1_TAG_CONSTRUCTED_MASK = 0x20
};

int _OFData_ASN1DERValue_reference;

static size_t parseObject(OFData *self, id *object, size_t depthLimit);

static OFArray *
parseSequence(OFData *contents, size_t depthLimit)
{
	OFMutableArray *ret = [OFMutableArray array];
	size_t count = contents.count;

	if (depthLimit == 0)
		@throw [OFOutOfRangeException exception];

	while (count > 0) {
		id object;
		size_t objectLength;

		objectLength = parseObject(contents, &object, depthLimit);

		count -= objectLength;
		contents = [contents subdataWithRange:
		    of_range(objectLength, count)];

		[ret addObject: object];
	}

	[ret makeImmutable];

	return ret;
}

static OFSet *
parseSet(OFData *contents, size_t depthLimit)
{
	OFMutableSet *ret = [OFMutableSet set];
	size_t count = contents.count;
	OFData *previousObjectData = nil;

	if (depthLimit == 0)
		@throw [OFOutOfRangeException exception];

	while (count > 0) {
		id object;
		size_t objectLength;
		OFData *objectData;

		objectLength = parseObject(contents, &object, depthLimit);
		objectData = [contents subdataWithRange:
		    of_range(0, objectLength)];

		if (previousObjectData != nil &&
		    [objectData compare: previousObjectData] !=
		    OF_ORDERED_DESCENDING)
			@throw [OFInvalidFormatException exception];

		count -= objectLength;
		contents = [contents subdataWithRange:
		    of_range(objectLength, count)];

		[ret addObject: object];

		previousObjectData = objectData;
	}

	[ret makeImmutable];

	return ret;
}

static size_t
parseObject(OFData *self, id *object, size_t depthLimit)
{
	const unsigned char *items = self.items;
	size_t count = self.count;
	unsigned char tag;
	size_t contentsLength, bytesConsumed = 0;
	Class valueClass;
	OFData *contents;

	if (count < 2)
		@throw [OFTruncatedDataException exception];

	tag = *items++;
	contentsLength = *items++;
	bytesConsumed += 2;

	if (contentsLength > 127) {
		uint_fast8_t lengthLength = contentsLength & 0x7F;

		if (lengthLength > sizeof(size_t))
			@throw [OFOutOfRangeException exception];

		if (count - bytesConsumed < lengthLength)
			@throw [OFTruncatedDataException exception];

		if (lengthLength == 0 ||
		    (lengthLength == 1 && items[0] < 0x80) ||
		    (lengthLength >= 2 && items[0] == 0))
			@throw [OFInvalidFormatException exception];

		contentsLength = 0;

		for (uint_fast8_t i = 0; i < lengthLength; i++)
			contentsLength = (contentsLength << 8) | *items++;

		bytesConsumed += lengthLength;

		if (contentsLength <= 127)
			@throw [OFInvalidFormatException exception];
	}

	if (count - bytesConsumed < contentsLength)
		@throw [OFTruncatedDataException exception];

	contents = [self subdataWithRange:
	    of_range(bytesConsumed, contentsLength)];
	bytesConsumed += contentsLength;

	switch (tag & ~ASN1_TAG_CONSTRUCTED_MASK) {
	case OF_ASN1_TAG_NUMBER_BOOLEAN:
		valueClass = [OFASN1Boolean class];
		break;
	case OF_ASN1_TAG_NUMBER_INTEGER:
		valueClass = [OFASN1Integer class];
		break;
	case OF_ASN1_TAG_NUMBER_BIT_STRING:
		valueClass = [OFASN1BitString class];
		break;
	case OF_ASN1_TAG_NUMBER_OCTET_STRING:
		valueClass = [OFASN1OctetString class];
		break;
	case OF_ASN1_TAG_NUMBER_NULL:
		if (tag & ASN1_TAG_CONSTRUCTED_MASK)
			@throw [OFInvalidFormatException exception];

		if (contents.count != 0)
			@throw [OFInvalidFormatException exception];

		*object = [OFNull null];
		return bytesConsumed;
	case OF_ASN1_TAG_NUMBER_OBJECT_IDENTIFIER:
		valueClass = [OFASN1ObjectIdentifier class];
		break;
	case OF_ASN1_TAG_NUMBER_ENUMERATED:
		valueClass = [OFASN1Enumerated class];
		break;
	case OF_ASN1_TAG_NUMBER_UTF8_STRING:
		valueClass = [OFASN1UTF8String class];
		break;
	case OF_ASN1_TAG_NUMBER_SEQUENCE:
		if (!(tag & ASN1_TAG_CONSTRUCTED_MASK))
			@throw [OFInvalidFormatException exception];

		*object = parseSequence(contents, depthLimit - 1);
		return bytesConsumed;
	case OF_ASN1_TAG_NUMBER_SET:
		if (!(tag & ASN1_TAG_CONSTRUCTED_MASK))
			@throw [OFInvalidFormatException exception];

		*object = parseSet(contents, depthLimit - 1);
		return bytesConsumed;
	case OF_ASN1_TAG_NUMBER_NUMERIC_STRING:
		valueClass = [OFASN1NumericString class];
		break;
	case OF_ASN1_TAG_NUMBER_PRINTABLE_STRING:
		valueClass = [OFASN1PrintableString class];
		break;
	case OF_ASN1_TAG_NUMBER_IA5_STRING:
		valueClass = [OFASN1IA5String class];
		break;
	default:
		valueClass = [OFASN1Value class];
		break;
	}

	*object = [[[valueClass alloc]
	      initWithTagClass: tag >> 6
		     tagNumber: tag & 0x1F
		   constructed: tag & ASN1_TAG_CONSTRUCTED_MASK
	    DEREncodedContents: contents] autorelease];
	return bytesConsumed;
}

@implementation OFData (ASN1DERValue)
- (id)ASN1DERValue
{
	return [self ASN1DERValueWithDepthLimit: 32];
}

- (id)ASN1DERValueWithDepthLimit: (size_t)depthLimit
{
	void *pool = objc_autoreleasePoolPush();
	id object;

	if (self.itemSize != 1)
		@throw [OFInvalidArgumentException exception];

	if (parseObject(self, &object, depthLimit) != self.count)
		@throw [OFInvalidFormatException exception];

	[object retain];

	objc_autoreleasePoolPop(pool);

	return [object autorelease];
}
@end

 */
- (void)writeToURL: (OFURL *)URL;
@end

OF_ASSUME_NONNULL_END

#import "OFMutableData.h"
#import "OFData+ASN1DERValue.h"
#import "OFData+CryptoHashing.h"
#import "OFData+MessagePackValue.h"

#import "base64.h"

/* References for static linking */
void
_references_to_categories_of_OFData(void)
{
	_OFData_ASN1DERValue_reference = 1;
	_OFData_CryptoHashing_reference = 1;
	_OFData_MessagePackValue_reference = 1;
}

@implementation OFData
@synthesize itemSize = _itemSize;

#include "config.h"

#include <errno.h>

#import "OFIPSocketAsyncConnector.h"
#import "OFData.h"
#ifdef OF_HAVE_SCTP
# import "OFSCTPSocket.h"
#endif
#import "OFTCPSocket.h"
#import "OFThread.h"
#import "OFTimer.h"

#import "OFConnectionFailedException.h"
#import "OFInvalidFormatException.h"

		[_socket setCanBlock: true];

#ifdef OF_HAVE_BLOCKS
	if (_block != NULL) {
		if ([_socket isKindOfClass: [OFTCPSocket class]])
			((of_tcp_socket_async_connect_block_t)_block)(
			    _exception);
# ifdef OF_HAVE_SCTP
		else if ([_socket isKindOfClass: [OFSCTPSocket class]])
			((of_sctp_socket_async_connect_block_t)_block)(
			    _exception);
# endif
		else
			OF_ENSURE(0);
	} else {
#endif
		if ([_delegate respondsToSelector:
		    @selector(socket:didConnectToHost:port:exception:)])
			[_delegate    socket: _socket

 * file.
 */

#import "OFObject.h"

OF_ASSUME_NONNULL_BEGIN

#ifdef OF_APPLE_RUNTIME
# ifdef OF_X86_64
#  define OF_INVOCATION_CAN_INVOKE
# endif
#else
# ifdef OF_ELF
#  ifdef OF_X86_64
#   define OF_INVOCATION_CAN_INVOKE
#  endif
# endif
#endif

@class OFMethodSignature;
@class OFMutableArray OF_GENERIC(ObjectType);
@class OFMutableData;

/*!
 * @class OFInvocation OFInvocation.h ObjFW/OFInvocation.h
 *

/*!
 * @brief Gets the return value.
 *
 * @param buffer The buffer in which the return value is stored
 */
- (void)getReturnValue: (void *)buffer;

#ifdef OF_INVOCATION_CAN_INVOKE
/*!
 * @brief Invokes the method.
 */
- (void)invoke;
#endif
@end

OF_ASSUME_NONNULL_END

#include <string.h>

#import "OFInvocation.h"
#import "OFArray.h"
#import "OFData.h"
#import "OFMethodSignature.h"

#ifdef OF_INVOCATION_CAN_INVOKE
extern void of_invocation_invoke(OFInvocation *);
#endif

@implementation OFInvocation
@synthesize methodSignature = _methodSignature;

+ (instancetype)invocationWithMethodSignature: (OFMethodSignature *)signature
{
	return [[[self alloc] initWithMethodSignature: signature] autorelease];
}

	memcpy(_returnValue.mutableItems, buffer, _returnValue.itemSize);
}

- (void)getReturnValue: (void *)buffer
{
	memcpy(buffer, _returnValue.items, _returnValue.itemSize);
}

#ifdef OF_INVOCATION_CAN_INVOKE
- (void)invoke
{
	of_invocation_invoke(self);
}
#endif
@end

 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "OFObject.h"
#import "OFASN1DERRepresentation.h"
#import "OFJSONRepresentation.h"
#import "OFMessagePackRepresentation.h"
#import "OFSerialization.h"

OF_ASSUME_NONNULL_BEGIN

/*!
 * @class OFNull OFNull.h ObjFW/OFNull.h
 *
 * @brief A class for representing null values in collections.
 */
OF_SUBCLASSING_RESTRICTED
@interface OFNull: OFObject <OFCopying, OFSerialization, OFJSONRepresentation,
    OFMessagePackRepresentation, OFASN1DERRepresentation>
/*!
 * @brief Returns an OFNull singleton.
 *
 * @return An OFNull singleton
 */
+ (OFNull *)null;
@end

OF_ASSUME_NONNULL_END

{
	uint8_t type = 0xC0;

	return [OFData dataWithItems: &type
			       count: 1];
}

- (OFData *)ASN1DERRepresentation
{
	const unsigned char bytes[] = { OF_ASN1_TAG_NUMBER_NULL, 0 };

	return [OFData dataWithItems: bytes
			       count: sizeof(bytes)];
}

- (instancetype)autorelease
{
	return self;
}

- (instancetype)retain
{

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "OFSequencedPacketSocket.h"
#import "OFRunLoop.h"

OF_ASSUME_NONNULL_BEGIN

/*! @file */

@class OFSCTPSocket;
@class OFString;

#ifdef OF_HAVE_BLOCKS
/*!
 * @brief A block which is called when the socket connected.
 *
 * @param exception An exception which occurred while connecting the socket or
 *		    `nil` on success
 */
typedef void (^of_sctp_socket_async_connect_block_t)(id _Nullable exception);
#endif

/*!
 * @protocol OFSCTPSocketDelegate OFSCTPSocket.h ObjFW/OFSCTPSocket.h
 *
 * A delegate for OFSCTPSocket.
 */
@protocol OFSCTPSocketDelegate <OFSequencedPacketSocketDelegate>
@optional
/*!
 * @brief A method which is called when a socket connected.
 *
 * @param socket The socket which connected
 * @param host The host connected to
 * @param port The port on the host connected to
 * @param exception An exception that occurred while connecting, or nil on
 *		    success
 */
-     (void)socket: (OFSCTPSocket *)socket
  didConnectToHost: (OFString *)host
	      port: (uint16_t)port
	 exception: (nullable id)exception;
@end

/*!
 * @class OFSCTPSocket OFSCTPSocket.h ObjFW/OFSCTPSocket.h
 *
 * @brief A class which provides methods to create and use SCTP sockets in
 *	  one-to-one mode.
 *
 * To connect to a server, create a socket and connect it.
 * To create a server, create a socket, bind it and listen on it.
 */
@interface OFSCTPSocket: OFSequencedPacketSocket
{
	OF_RESERVE_IVARS(4)
}

/*!
 * @brief Whether sending packets can be delayed. Setting this to NO sets
 *        SCTP_NODELAY on the socket.
 */
@property (nonatomic) bool canDelaySendingPackets;

/*!
 * @brief The delegate for asynchronous operations on the socket.
 *
 * @note The delegate is retained for as long as asynchronous operations are
 *	 still ongoing.
 */
@property OF_NULLABLE_PROPERTY (assign, nonatomic)
    id <OFSCTPSocketDelegate> delegate;

/*!
 * @brief Connect the OFSCTPSocket to the specified destination.
 *
 * @param host The host to connect to
 * @param port The port on the host to connect to
 */
- (void)connectToHost: (OFString *)host
		 port: (uint16_t)port;

/*!
 * @brief Asynchronously connect the OFSCTPSocket to the specified destination.
 *
 * @param host The host to connect to
 * @param port The port on the host to connect to
 */
- (void)asyncConnectToHost: (OFString *)host
		      port: (uint16_t)port;

/*!
 * @brief Asynchronously connect the OFSCTPSocket to the specified destination.
 *
 * @param host The host to connect to
 * @param port The port on the host to connect to
 * @param runLoopMode The run loop mode in which to perform the async connect
 */
- (void)asyncConnectToHost: (OFString *)host
		      port: (uint16_t)port
	       runLoopMode: (of_run_loop_mode_t)runLoopMode;

#ifdef OF_HAVE_BLOCKS
/*!
 * @brief Asynchronously connect the OFSCTPSocket to the specified destination.
 *
 * @param host The host to connect to
 * @param port The port on the host to connect to
 * @param block The block to execute once the connection has been established
 */
- (void)asyncConnectToHost: (OFString *)host
		      port: (uint16_t)port
		     block: (of_sctp_socket_async_connect_block_t)block;

/*!
 * @brief Asynchronously connect the OFSCTPSocket to the specified destination.
 *
 * @param host The host to connect to
 * @param port The port on the host to connect to
 * @param runLoopMode The run loop mode in which to perform the async connect
 * @param block The block to execute once the connection has been established
 */
- (void)asyncConnectToHost: (OFString *)host
		      port: (uint16_t)port
	       runLoopMode: (of_run_loop_mode_t)runLoopMode
		     block: (of_sctp_socket_async_connect_block_t)block;
#endif

/*!
 * @brief Bind the socket to the specified host and port.
 *
 * @param host The host to bind to. Use `@"0.0.0.0"` for IPv4 or `@"::"` for
 *	       IPv6 to bind to all.
 * @param port The port to bind to. If the port is 0, an unused port will be
 *	       chosen, which can be obtained using the return value.
 * @return The port the socket was bound to
 */
- (uint16_t)bindToHost: (OFString *)host
		  port: (uint16_t)port;
@end

OF_ASSUME_NONNULL_END

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif

#import "OFSCTPSocket.h"
#import "OFDNSResolver.h"
#import "OFData.h"
#import "OFDate.h"
#import "OFIPSocketAsyncConnector.h"
#import "OFRunLoop.h"
#import "OFRunLoop+Private.h"
#import "OFString.h"
#import "OFThread.h"

#import "OFAlreadyConnectedException.h"
#import "OFBindFailedException.h"
#import "OFGetOptionFailedException.h"
#import "OFNotOpenException.h"
#import "OFSetOptionFailedException.h"

#import "socket.h"
#import "socket_helpers.h"

static const of_run_loop_mode_t connectRunLoopMode =
    @"of_sctp_socket_connect_mode";

@interface OFSCTPSocket () <OFIPSocketAsyncConnecting>
@end

@interface OFSCTPSocketConnectDelegate: OFObject <OFSCTPSocketDelegate>
{
@public
	bool _done;
	id _exception;
}
@end

@implementation OFSCTPSocketConnectDelegate
- (void)dealloc
{
	[_exception release];

	[super dealloc];
}

-     (void)socket: (OFSCTPSocket *)sock
  didConnectToHost: (OFString *)host
	      port: (uint16_t)port
	 exception: (id)exception
{
	_done = true;
	_exception = [exception retain];
}
@end

@implementation OFSCTPSocket
@dynamic delegate;

- (bool)of_createSocketForAddress: (const of_socket_address_t *)address
			    errNo: (int *)errNo
{
#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL) && defined(FD_CLOEXEC)
	int flags;
#endif

	if (_socket != INVALID_SOCKET)
		@throw [OFAlreadyConnectedException exceptionWithSocket: self];

	if ((_socket = socket(address->sockaddr.sockaddr.sa_family,
	    SOCK_STREAM | SOCK_CLOEXEC, IPPROTO_SCTP)) == INVALID_SOCKET) {
		*errNo = of_socket_errno();
		return false;
	}

#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL) && defined(FD_CLOEXEC)
	if ((flags = fcntl(_socket, F_GETFD, 0)) != -1)
		fcntl(_socket, F_SETFD, flags | FD_CLOEXEC);
#endif

	return true;
}

- (bool)of_connectSocketToAddress: (const of_socket_address_t *)address
			    errNo: (int *)errNo
{
	if (_socket == INVALID_SOCKET)
		@throw [OFNotOpenException exceptionWithObject: self];

	if (connect(_socket, &address->sockaddr.sockaddr,
	    address->length) != 0) {
		*errNo = of_socket_errno();
		return false;
	}

	return true;
}

- (void)of_closeSocket
{
	closesocket(_socket);
	_socket = INVALID_SOCKET;
}

- (void)connectToHost: (OFString *)host
		 port: (uint16_t)port
{
	void *pool = objc_autoreleasePoolPush();
	id <OFSCTPSocketDelegate> delegate = _delegate;
	OFSCTPSocketConnectDelegate *connectDelegate =
	    [[[OFSCTPSocketConnectDelegate alloc] init] autorelease];
	OFRunLoop *runLoop = [OFRunLoop currentRunLoop];

	self.delegate = connectDelegate;
	[self asyncConnectToHost: host
			    port: port
		     runLoopMode: connectRunLoopMode];

	while (!connectDelegate->_done)
		[runLoop runMode: connectRunLoopMode
		      beforeDate: nil];

	/* Cleanup */
	[runLoop runMode: connectRunLoopMode
	      beforeDate: [OFDate date]];

	if (connectDelegate->_exception != nil)
		@throw connectDelegate->_exception;

	self.delegate = delegate;

	objc_autoreleasePoolPop(pool);
}

- (void)asyncConnectToHost: (OFString *)host
		      port: (uint16_t)port
{
	[self asyncConnectToHost: host
			    port: port
		     runLoopMode: of_run_loop_mode_default];
}

- (void)asyncConnectToHost: (OFString *)host
		      port: (uint16_t)port
	       runLoopMode: (of_run_loop_mode_t)runLoopMode
{
	void *pool = objc_autoreleasePoolPush();

	if (_socket != INVALID_SOCKET)
		@throw [OFAlreadyConnectedException exceptionWithSocket: self];

	[[[[OFIPSocketAsyncConnector alloc]
		  initWithSocket: self
			    host: host
			    port: port
			delegate: _delegate
			   block: NULL
	    ] autorelease] startWithRunLoopMode: runLoopMode];

	objc_autoreleasePoolPop(pool);
}

#ifdef OF_HAVE_BLOCKS
- (void)asyncConnectToHost: (OFString *)host
		      port: (uint16_t)port
		     block: (of_sctp_socket_async_connect_block_t)block
{
	[self asyncConnectToHost: host
			    port: port
		     runLoopMode: of_run_loop_mode_default
			   block: block];
}

- (void)asyncConnectToHost: (OFString *)host
		      port: (uint16_t)port
	       runLoopMode: (of_run_loop_mode_t)runLoopMode
		     block: (of_sctp_socket_async_connect_block_t)block
{
	void *pool = objc_autoreleasePoolPush();

	if (_socket != INVALID_SOCKET)
		@throw [OFAlreadyConnectedException exceptionWithSocket: self];

	[[[[OFIPSocketAsyncConnector alloc]
		  initWithSocket: self
			    host: host
			    port: port
			delegate: nil
			   block: block] autorelease]
	    startWithRunLoopMode: runLoopMode];

	objc_autoreleasePoolPop(pool);
}
#endif

- (uint16_t)bindToHost: (OFString *)host
		  port: (uint16_t)port
{
	const int one = 1;
	void *pool = objc_autoreleasePoolPush();
	OFData *socketAddresses;
	of_socket_address_t address;
#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL) && defined(FD_CLOEXEC)
	int flags;
#endif

	if (_socket != INVALID_SOCKET)
		@throw [OFAlreadyConnectedException exceptionWithSocket: self];

	socketAddresses = [[OFThread DNSResolver]
	    resolveAddressesForHost: host
		      addressFamily: OF_SOCKET_ADDRESS_FAMILY_ANY];

	address = *(of_socket_address_t *)[socketAddresses itemAtIndex: 0];
	of_socket_address_set_port(&address, port);

	if ((_socket = socket(address.sockaddr.sockaddr.sa_family,
	    SOCK_STREAM | SOCK_CLOEXEC, IPPROTO_SCTP)) == INVALID_SOCKET)
		@throw [OFBindFailedException
		    exceptionWithHost: host
				 port: port
			       socket: self
				errNo: of_socket_errno()];

	_canBlock = true;

#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL) && defined(FD_CLOEXEC)
	if ((flags = fcntl(_socket, F_GETFD, 0)) != -1)
		fcntl(_socket, F_SETFD, flags | FD_CLOEXEC);
#endif

	setsockopt(_socket, SOL_SOCKET, SO_REUSEADDR,
	    (char *)&one, (socklen_t)sizeof(one));

	if (bind(_socket, &address.sockaddr.sockaddr, address.length) != 0) {
		int errNo = of_socket_errno();

		closesocket(_socket);
		_socket = INVALID_SOCKET;

		@throw [OFBindFailedException exceptionWithHost: host
							   port: port
							 socket: self
							  errNo: errNo];
	}

	objc_autoreleasePoolPop(pool);

	if (port > 0)
		return port;

	memset(&address, 0, sizeof(address));

	address.length = (socklen_t)sizeof(address.sockaddr);
	if (of_getsockname(_socket, &address.sockaddr.sockaddr,
	    &address.length) != 0) {
		int errNo = of_socket_errno();

		closesocket(_socket);
		_socket = INVALID_SOCKET;

		@throw [OFBindFailedException exceptionWithHost: host
							   port: port
							 socket: self
							  errNo: errNo];
	}

	if (address.sockaddr.sockaddr.sa_family == AF_INET)
		return OF_BSWAP16_IF_LE(address.sockaddr.in.sin_port);
# ifdef OF_HAVE_IPV6
	else if (address.sockaddr.sockaddr.sa_family == AF_INET6)
		return OF_BSWAP16_IF_LE(address.sockaddr.in6.sin6_port);
# endif
	else {
		closesocket(_socket);
		_socket = INVALID_SOCKET;

		@throw [OFBindFailedException exceptionWithHost: host
							   port: port
							 socket: self
							  errNo: EAFNOSUPPORT];
	}
}

- (void)setCanDelaySendingPackets: (bool)canDelaySendingPackets
{
	int v = !canDelaySendingPackets;

	if (setsockopt(_socket, IPPROTO_SCTP, SCTP_NODELAY,
	    (char *)&v, (socklen_t)sizeof(v)) != 0)
		@throw [OFSetOptionFailedException
		    exceptionWithObject: self
				  errNo: of_socket_errno()];
}

- (bool)canDelaySendingPackets
{
	int v;
	socklen_t len = sizeof(v);

	if (getsockopt(_socket, IPPROTO_SCTP, SCTP_NODELAY,
	    (char *)&v, &len) != 0 || len != sizeof(v))
		@throw [OFGetOptionFailedException
		    exceptionWithObject: self
				  errNo: of_socket_errno()];

	return !v;
}
@end

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "OFObject.h"

OF_ASSUME_NONNULL_BEGIN

/*! @file */

#ifdef OF_HAVE_BLOCKS
/*!
 * @brief A block for a job which should be executed in a thread pool.
 */
typedef void (^of_thread_pool_block_t)(void);
#endif

@class OFCondition;
@class OFList OF_GENERIC(ObjectType);
@class OFMutableArray OF_GENERIC(ObjectType);
@class OFThreadPoolJob;

/*!
 * @class OFThreadPool OFThreadPool.h ObjFW/OFThreadPool.h
 *
 * @brief A class providing a pool of reusable threads.
 *
 * @note When the thread pool is released, all threads will terminate after
 *	 they finish the job they are currently processing.
 */
OF_SUBCLASSING_RESTRICTED
@interface OFThreadPool: OFObject
{
	size_t _size;
	OFMutableArray *_threads;
	volatile int _count;
#ifdef OF_THREAD_POOL_M
@public
#endif
	OFList *_queue;
	OFCondition *_queueCondition;
	volatile int _doneCount;
	OFCondition *_countCondition;
}

/*!
 * @brief The size of the thread pool.
 */
@property (readonly, nonatomic) size_t size;

/*!
 * @brief Returns a new thread pool with one thread for each core in the system.
 *
 * @warning If for some reason the number of cores in the system could not be
 *	    determined, the pool will only have one thread!
 *
 * @return A new thread pool with one thread for each core in the system
 */
+ (instancetype)threadPool;

/*!
 * @brief Returns a new thread pool with the specified number of threads.
 *
 * @param size The number of threads for the pool
 * @return A new thread pool with the specified number of threads
 */
+ (instancetype)threadPoolWithSize: (size_t)size;

/*!
 * @brief Initializes an already allocated OFThreadPool with the specified
 *	  number of threads.
 *
 * @param size The number of threads for the pool
 * @return An initialized OFThreadPool with the specified number of threads
 */
- (instancetype)initWithSize: (size_t)size OF_DESIGNATED_INITIALIZER;

/*!
 * @brief Execute the specified selector on the specified target with the
 *	  specified object as soon as a thread is ready.
 *
 * @param target The target on which to perform the selector
 * @param selector The selector to perform on the target
 * @param object The object with which the selector is performed on the target
 */
- (void)dispatchWithTarget: (id)target
		  selector: (SEL)selector
		    object: (nullable id)object;

#ifdef OF_HAVE_BLOCKS
/*!
 * @brief Executes the specified block as soon as a thread is ready.
 *
 * @param block The block to execute
 */
- (void)dispatchWithBlock: (of_thread_pool_block_t)block;
#endif

/*!
 * @brief Waits until all jobs are done.
 */
- (void)waitUntilDone;
@end

OF_ASSUME_NONNULL_END

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#define OF_THREAD_POOL_M

#import "OFThreadPool.h"
#import "OFArray.h"
#import "OFList.h"
#import "OFThread.h"
#import "OFCondition.h"
#import "OFSystemInfo.h"

@interface OFThreadPoolJob: OFObject
{
	id _target;
	SEL _selector;
	id _object;
#ifdef OF_HAVE_BLOCKS
	of_thread_pool_block_t _block;
#endif
}

- (instancetype)initWithTarget: (id)target
		      selector: (SEL)selector
			object: (id)object;
#ifdef OF_HAVE_BLOCKS
- (instancetype)initWithBlock: (of_thread_pool_block_t)block;
#endif
- (void)perform;
@end

@implementation OFThreadPoolJob
- (instancetype)initWithTarget: (id)target
		      selector: (SEL)selector
			object: (id)object
{
	self = [super init];

	@try {
		_target = [target retain];
		_selector = selector;
		_object = [object retain];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

#ifdef OF_HAVE_BLOCKS
- (instancetype)initWithBlock: (of_thread_pool_block_t)block
{
	self = [super init];

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

	return self;
}
#endif

- (void)dealloc
{
	[_target release];
	[_object release];
#ifdef OF_HAVE_BLOCKS
	[_block release];
#endif

	[super dealloc];
}

- (void)perform
{
#ifdef OF_HAVE_BLOCKS
	if (_block != NULL)
		_block();
	else
#endif
		[_target performSelector: _selector
			      withObject: _object];
}
@end

@interface OFThreadPoolThread: OFThread
{
	OFList *_queue;
	OFCondition *_queueCondition, *_countCondition;
@public
	volatile bool _terminate;
	volatile int *_doneCount;
}

+ (instancetype)threadWithThreadPool: (OFThreadPool *)threadPool;
- (instancetype)initWithThreadPool: (OFThreadPool *)threadPool;
@end

@implementation OFThreadPoolThread
+ (instancetype)threadWithThreadPool: (OFThreadPool *)threadPool
{
	return [[[self alloc] initWithThreadPool: threadPool] autorelease];
}

- (instancetype)initWithThreadPool: (OFThreadPool *)threadPool
{
	self = [super init];

	@try {
		_queue = [threadPool->_queue retain];
		_queueCondition = [threadPool->_queueCondition retain];
		_countCondition = [threadPool->_countCondition retain];
		_doneCount = &threadPool->_doneCount;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	[_queue release];
	[_queueCondition release];
	[_countCondition release];

	[super dealloc];
}

- (id)main
{
	void *pool;

	if (_terminate)
		return nil;

	pool = objc_autoreleasePoolPush();

	for (;;) {
		OFThreadPoolJob *job;

		[_queueCondition lock];
		@try {
			of_list_object_t *listObject;

			if (_terminate) {
				objc_autoreleasePoolPop(pool);
				return nil;
			}

			listObject = _queue.firstListObject;

			while (listObject == NULL) {
				[_queueCondition wait];

				if (_terminate) {
					objc_autoreleasePoolPop(pool);
					return nil;
				}

				listObject = _queue.firstListObject;
			}

			job = [[listObject->object retain] autorelease];
			[_queue removeListObject: listObject];
		} @finally {
			[_queueCondition unlock];
		}

		if (_terminate) {
			objc_autoreleasePoolPop(pool);
			return nil;
		}

		[job perform];

		if (_terminate) {
			objc_autoreleasePoolPop(pool);
			return nil;
		}

		objc_autoreleasePoolPop(pool);
		pool = objc_autoreleasePoolPush();

		[_countCondition lock];
		@try {
			if (_terminate) {
				objc_autoreleasePoolPop(pool);
				return nil;
			}

			(*_doneCount)++;

			[_countCondition signal];
		} @finally {
			[_countCondition unlock];
		}
	}
}
@end

@implementation OFThreadPool
+ (instancetype)threadPool
{
	return [[[self alloc] init] autorelease];
}

+ (instancetype)threadPoolWithSize: (size_t)size
{
	return [[[self alloc] initWithSize: size] autorelease];
}

- (instancetype)init
{
	return [self initWithSize: [OFSystemInfo numberOfCPUs]];
}

- (instancetype)initWithSize: (size_t)size
{
	self = [super init];

	@try {
		_size = size;
		_threads = [[OFMutableArray alloc] init];
		_queue = [[OFList alloc] init];
		_queueCondition = [[OFCondition alloc] init];
		_countCondition = [[OFCondition alloc] init];

		for (size_t i = 0; i < size; i++) {
			void *pool = objc_autoreleasePoolPush();

			OFThreadPoolThread *thread =
			    [OFThreadPoolThread threadWithThreadPool: self];

			[_threads addObject: thread];

			objc_autoreleasePoolPop(pool);
		}

		/*
		 * We need to start the threads in a separate loop to make sure
		 * _threads is not modified anymore to prevent a race condition.
		 */
		for (size_t i = 0; i < size; i++)
			[[_threads objectAtIndex: i] start];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	[_queueCondition lock];
	@try {
		[_countCondition lock];
		@try {
			for (OFThreadPoolThread *thread in _threads)
				thread->_terminate = true;
		} @finally {
			[_countCondition unlock];
		}

		[_queueCondition broadcast];
	} @finally {
		[_queueCondition unlock];
	}

	[_threads release];
	[_queue release];
	[_queueCondition release];
	[_countCondition release];

	[super dealloc];
}

- (void)of_dispatchJob: (OFThreadPoolJob *)job
{
	[_countCondition lock];
	_count++;
	[_countCondition unlock];

	[_queueCondition lock];
	@try {
		[_queue appendObject: job];
		[_queueCondition signal];
	} @finally {
		[_queueCondition unlock];
	}
}

- (void)waitUntilDone
{
	for (;;) {
		[_countCondition lock];
		@try {
			if (_doneCount == _count)
				return;

			[_countCondition wait];
		} @finally {
			[_countCondition unlock];
		}
	}
}

- (void)dispatchWithTarget: (id)target
		  selector: (SEL)selector
		    object: (id)object
{
	OFThreadPoolJob *job = [[OFThreadPoolJob alloc] initWithTarget: target
							      selector: selector
								object: object];
	@try {
		[self of_dispatchJob: job];
	} @finally {
		[job release];
	}
}

#ifdef OF_HAVE_BLOCKS
- (void)dispatchWithBlock: (of_thread_pool_block_t)block
{
	OFThreadPoolJob *job = [[OFThreadPoolJob alloc] initWithBlock: block];
	@try {
		[self of_dispatchJob: job];
	} @finally {
		[job release];
	}
}
#endif

- (size_t)size
{
	return _size;
}
@end

# import "OFDNSResponse.h"
# import "OFDNSResolver.h"
# ifdef OF_HAVE_IPX
#  import "OFIPXSocket.h"
#  import "OFSPXSocket.h"
#  import "OFSPXStreamSocket.h"
# endif
# ifdef OF_HAVE_SCTP
#  import "OFSCTPSocket.h"
# endif
#endif
#ifdef OF_HAVE_SOCKETS
# ifdef OF_HAVE_THREADS
#  import "OFHTTPClient.h"
# endif
# import "OFHTTPCookie.h"
# import "OFHTTPCookieManager.h"

#import "OFRunLoop.h"
#import "OFSandbox.h"

#ifdef OF_WINDOWS
# import "OFWindowsRegistryKey.h"
#endif

#import "OFASN1BitString.h"
#import "OFASN1Boolean.h"
#import "OFASN1Enumerated.h"
#import "OFASN1IA5String.h"
#import "OFASN1Integer.h"
#import "OFASN1NumericString.h"
#import "OFASN1ObjectIdentifier.h"
#import "OFASN1OctetString.h"
#import "OFASN1PrintableString.h"
#import "OFASN1UTF8String.h"
#import "OFASN1Value.h"

#import "OFAllocFailedException.h"
#import "OFException.h"
#ifdef OF_HAVE_SOCKETS
# import "OFAcceptFailedException.h"
# import "OFAlreadyConnectedException.h"
# import "OFBindFailedException.h"
#endif

#import "OFLocking.h"
#import "OFThread.h"
#import "once.h"
#ifdef OF_HAVE_THREADS
# import "thread.h"
# import "mutex.h"
# import "condition.h"
# import "OFThreadPool.h"
# import "OFMutex.h"
# import "OFRecursiveMutex.h"
# import "OFCondition.h"
#endif

#import "base64.h"
#import "crc16.h"

include ../../extra.mk

STATIC_PIC_LIB_NOINST = ${INVOCATION_LIB_A}
STATIC_LIB_NOINST = ${INVOCATION_A}

SRCS = call.S	\
       invoke.m

include ../../buildsys.mk

ASFLAGS += -I../.. -I..
OBJCFLAGS += -I../.. -I.. -I../exceptions -I../runtime

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#include "invoke-x86_64.h"

.globl _of_invocation_call

.section __TEXT, __text, regular, pure_instructions
_of_invocation_call:
	pushq	%rbp
	movq	%rsp, %rbp

	subq	$16, %rsp
	andq	$-16, %rsp
	movq	%rdi, -8(%rbp)

	leaq	OFFSET_STACK(%rdi), %rdx
	movq	OFFSET_STACK_SIZE(%rdi), %rcx

	testq	$1, %rcx
	jnz	Lfix_align

Lfill_stack:
	testq	%rcx, %rcx
	jz	Lstack_filled

	decq	%rcx
	movq	(%rdx,%rcx,8), %r11
	pushq	%r11

	jmp	Lfill_stack

Lstack_filled:
	movb	OFFSET_NUM_SSE_USED(%rdi), %al

	movaps	OFFSET_SSE_INOUT+112(%rdi), %xmm7
	movaps	OFFSET_SSE_INOUT+96(%rdi), %xmm6
	movaps	OFFSET_SSE_INOUT+80(%rdi), %xmm5
	movaps	OFFSET_SSE_INOUT+64(%rdi), %xmm4
	movaps	OFFSET_SSE_INOUT+48(%rdi), %xmm3
	movaps	OFFSET_SSE_INOUT+32(%rdi), %xmm2
	movaps	OFFSET_SSE_INOUT+16(%rdi), %xmm1
	movaps	OFFSET_SSE_INOUT(%rdi), %xmm0

	movq	OFFSET_GPR_IN+40(%rdi), %r9
	movq	OFFSET_GPR_IN+32(%rdi), %r8
	movq	OFFSET_GPR_IN+24(%rdi), %rcx
	movq	OFFSET_GPR_IN+16(%rdi), %rdx
	movq	OFFSET_GPR_IN+8(%rdi), %rsi

	movb	OFFSET_RETURN_TYPE(%rdi), %r11b
	movq	OFFSET_GPR_IN(%rdi), %rdi

	cmpb	$RETURN_TYPE_STRET, %r11b
	je	Lcall_send_stret

	cmpb	$RETURN_TYPE_JMP, %r11b
	je	_objc_msgSend

	cmpb	$RETURN_TYPE_JMP_STRET, %r11b
	je	_objc_msgSend_stret

	call	_objc_msgSend

Lafter_send:
	movq	-8(%rbp), %rdi
	movq	%rax, OFFSET_GPR_OUT(%rdi)
	movq	%rdx, OFFSET_GPR_OUT+8(%rdi)
	movaps	%xmm0, OFFSET_SSE_INOUT(%rdi)
	movaps	%xmm1, OFFSET_SSE_INOUT+16(%rdi)

	movb	OFFSET_RETURN_TYPE(%rdi), %r11b

	cmpb	$RETURN_TYPE_X87, %r11b
	je	Lpop_long_double

	cmpb	$RETURN_TYPE_COMPLEX_X87, %r11b
	je	Lpop_complex_long_double

Lreturn:
	movq	%rbp, %rsp
	popq	%rbp

	ret

Lfix_align:
	xorq	%r11, %r11
	pushq	%r11
	jmp	Lfill_stack

Lcall_send_stret:
	call	_objc_msgSend_stret
	jmp	Lafter_send

Lpop_long_double:
	fstpt	OFFSET_X87_OUT(%rdi)
	jmp	Lreturn

Lpop_complex_long_double:
	fstpt	OFFSET_X87_OUT(%rdi)
	fstpt	OFFSET_X87_OUT+16(%rdi)
	jmp	Lreturn

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#include "invoke-x86_64.h"

.globl of_invocation_call

.section .text
of_invocation_call:
	pushq	%rbp
	movq	%rsp, %rbp

	subq	$16, %rsp
	andq	$-16, %rsp
	movq	%rdi, -8(%rbp)

	movb	OFFSET_RETURN_TYPE(%rdi), %r11b
	cmpb	$RETURN_TYPE_STRET, %r11b
	je	.lookup_stret
	cmpb	$RETURN_TYPE_JMP_STRET, %r11b
	je	.lookup_stret

	movq	OFFSET_GPR_IN+8(%rdi), %rsi
	movq	OFFSET_GPR_IN+0(%rdi), %rdi
	call	objc_msg_lookup@PLT

.after_lookup:
	movq	%rax, -16(%rbp)
	movq	-8(%rbp), %rdi

	leaq	OFFSET_STACK(%rdi), %rdx
	movq	OFFSET_STACK_SIZE(%rdi), %rcx

	testq	$1, %rcx
	jnz	.fix_align

.fill_stack:
	testq	%rcx, %rcx
	jz	.stack_filled

	decq	%rcx
	movq	(%rdx,%rcx,8), %r11
	pushq	%r11

	jmp	.fill_stack

.stack_filled:
	movb	OFFSET_NUM_SSE_USED(%rdi), %al

	movaps	OFFSET_SSE_INOUT+112(%rdi), %xmm7
	movaps	OFFSET_SSE_INOUT+96(%rdi), %xmm6
	movaps	OFFSET_SSE_INOUT+80(%rdi), %xmm5
	movaps	OFFSET_SSE_INOUT+64(%rdi), %xmm4
	movaps	OFFSET_SSE_INOUT+48(%rdi), %xmm3
	movaps	OFFSET_SSE_INOUT+32(%rdi), %xmm2
	movaps	OFFSET_SSE_INOUT+16(%rdi), %xmm1
	movaps	OFFSET_SSE_INOUT(%rdi), %xmm0

	movq	OFFSET_GPR_IN+40(%rdi), %r9
	movq	OFFSET_GPR_IN+32(%rdi), %r8
	movq	OFFSET_GPR_IN+24(%rdi), %rcx
	movq	OFFSET_GPR_IN+16(%rdi), %rdx
	movq	OFFSET_GPR_IN+8(%rdi), %rsi

	movb	OFFSET_RETURN_TYPE(%rdi), %r11b
	movq	OFFSET_GPR_IN(%rdi), %rdi

	cmpb	$RETURN_TYPE_JMP, %r11b
	je	.jmp_into_method
	cmpb	$RETURN_TYPE_JMP_STRET, %r11b
	je	.jmp_into_method

	movq	-16(%rbp), %r11
	call	*%r11

.after_send:
	movq	-8(%rbp), %rdi
	movq	%rax, OFFSET_GPR_OUT(%rdi)
	movq	%rdx, OFFSET_GPR_OUT+8(%rdi)
	movaps	%xmm0, OFFSET_SSE_INOUT(%rdi)
	movaps	%xmm1, OFFSET_SSE_INOUT+16(%rdi)

	movb	OFFSET_RETURN_TYPE(%rdi), %r11b

	cmpb	$RETURN_TYPE_X87, %r11b
	je	.pop_long_double

	cmpb	$RETURN_TYPE_COMPLEX_X87, %r11b
	je	.pop_complex_long_double

.return:
	movq	%rbp, %rsp
	popq	%rbp

	ret

.fix_align:
	xorq	%r11, %r11
	pushq	%r11
	jmp	.fill_stack

.lookup_stret:
	movq	OFFSET_GPR_IN+16(%rdi), %rsi
	movq	OFFSET_GPR_IN+8(%rdi), %rdi
	call	objc_msg_lookup_stret@PLT

	jmp	.after_lookup

.jmp_into_method:
	movq	-16(%rbp), %r11
	jmp	*%r11

.pop_long_double:
	fstpt	OFFSET_X87_OUT(%rdi)
	jmp	.return

.pop_complex_long_double:
	fstpt	OFFSET_X87_OUT(%rdi)
	fstpt	OFFSET_X87_OUT+16(%rdi)
	jmp	.return

#ifdef OF_LINUX
.section .note.GNU-stack, "", %progbits
#endif

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#include "platform.h"

#ifdef OF_APPLE_RUNTIME
# ifdef OF_X86_64
#  include "apple-call-x86_64.S"
# endif
#else
# ifdef OF_ELF
#  ifdef OF_X86_64
#   include "call-x86_64-elf.S"
#  endif
# endif
#endif

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#define RETURN_TYPE_NORMAL	0
#define RETURN_TYPE_STRET	1
#define RETURN_TYPE_X87		2
#define RETURN_TYPE_COMPLEX_X87	3
#define RETURN_TYPE_JMP		4
#define RETURN_TYPE_JMP_STRET	5

#define NUM_GPR_IN	6
#define NUM_GPR_OUT	2
#define NUM_SSE_INOUT	8
#define NUM_X87_OUT	2

#define OFFSET_GPR_IN		0
#define OFFSET_GPR_OUT		(OFFSET_GPR_IN + NUM_GPR_IN * 8)
#define OFFSET_SSE_INOUT	(OFFSET_GPR_OUT + NUM_GPR_OUT * 8)
#define OFFSET_X87_OUT		(OFFSET_SSE_INOUT + NUM_SSE_INOUT * 16)
#define OFFSET_NUM_SSE_USED	(OFFSET_X87_OUT + NUM_X87_OUT * 16)
#define OFFSET_RETURN_TYPE	(OFFSET_NUM_SSE_USED + 1)
#define OFFSET_STACK_SIZE	(OFFSET_RETURN_TYPE + 7)
#define OFFSET_STACK		(OFFSET_STACK_SIZE + 8)

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#include <stdint.h>
#include <stdlib.h>
#include <xmmintrin.h>

#import "OFInvocation.h"
#import "OFMethodSignature.h"

#import "OFInvalidFormatException.h"
#import "OFOutOfMemoryException.h"

#import "invoke-x86_64.h"

#import "macros.h"

struct call_context {
	uint64_t GPR[NUM_GPR_IN + NUM_GPR_OUT];
	__m128 SSE[NUM_SSE_INOUT];
	long double X87[NUM_X87_OUT];
	uint8_t numSSEUsed;
	uint8_t returnType;
	uint64_t stackSize;
	uint64_t stack[];
};

extern void of_invocation_call(struct call_context *);

static void
pushGPR(struct call_context **context, uint_fast8_t *currentGPR, uint64_t value)
{
	struct call_context *newContext;

	if (*currentGPR < NUM_GPR_IN) {
		(*context)->GPR[(*currentGPR)++] = value;
		return;
	}

	if ((newContext = realloc(*context,
	    sizeof(**context) + ((*context)->stackSize + 1) * 8)) == NULL) {
		free(*context);
		@throw [OFOutOfMemoryException exceptionWithRequestedSize:
		    sizeof(**context) + ((*context)->stackSize + 1) * 8];
	}

	newContext->stack[newContext->stackSize] = value;
	newContext->stackSize++;
	*context = newContext;
}

static void
pushDouble(struct call_context **context, uint_fast8_t *currentSSE,
    double value)
{
	struct call_context *newContext;

	if (*currentSSE < NUM_SSE_INOUT) {
		(*context)->SSE[(*currentSSE)++] = (__m128)_mm_set_sd(value);
		(*context)->numSSEUsed++;
		return;
	}

	if ((newContext = realloc(*context,
	    sizeof(**context) + ((*context)->stackSize + 1) * 8)) == NULL) {
		free(*context);
		@throw [OFOutOfMemoryException exceptionWithRequestedSize:
		    sizeof(**context) + ((*context)->stackSize + 1) * 8];
	}

	memcpy(&newContext->stack[newContext->stackSize], &value, 8);
	newContext->stackSize++;
	*context = newContext;
}

static void
pushQuad(struct call_context **context, uint_fast8_t *currentSSE,
    double low, double high)
{
	size_t stackSize;
	struct call_context *newContext;

	if (*currentSSE + 1 < NUM_SSE_INOUT) {
		(*context)->SSE[(*currentSSE)++] = (__m128)_mm_set_sd(low);
		(*context)->SSE[(*currentSSE)++] = (__m128)_mm_set_sd(high);
		(*context)->numSSEUsed += 2;
		return;
	}

	stackSize = (*context)->stackSize + 2;

	if ((newContext = realloc(*context,
	    sizeof(**context) + stackSize * 8)) == NULL) {
		free(*context);
		@throw [OFOutOfMemoryException exceptionWithRequestedSize:
		    sizeof(**context) + stackSize * 8];
	}

	memset(&newContext->stack[newContext->stackSize], '\0',
	    (stackSize - newContext->stackSize) * 8);
	memcpy(&newContext->stack[stackSize - 2], &low, 8);
	memcpy(&newContext->stack[stackSize - 1], &high, 8);
	newContext->stackSize = stackSize;
	*context = newContext;
}

static void
pushLongDouble(struct call_context **context, long double value)
{
	struct call_context *newContext;

	if ((newContext = realloc(*context,
	    sizeof(**context) + ((*context)->stackSize + 2) * 8)) == NULL) {
		free(*context);
		@throw [OFOutOfMemoryException exceptionWithRequestedSize:
		    sizeof(**context) + ((*context)->stackSize + 2) * 8];
	}

	memcpy(&newContext->stack[newContext->stackSize], &value, 16);
	newContext->stackSize += 2;
	*context = newContext;
}

static void
pushLongDoublePair(struct call_context **context, long double value[2])
{
	size_t stackSize;
	struct call_context *newContext;

	stackSize = OF_ROUND_UP_POW2(2UL, (*context)->stackSize) + 4;

	if ((newContext = realloc(*context,
	    sizeof(**context) + stackSize * 8)) == NULL) {
		free(*context);
		@throw [OFOutOfMemoryException exceptionWithRequestedSize:
		    sizeof(**context) + stackSize * 8];
	}

	memset(&newContext->stack[newContext->stackSize], '\0',
	    (stackSize - newContext->stackSize) * 8);
	memcpy(&newContext->stack[stackSize - 4], value, 32);
	newContext->stackSize = stackSize;
	*context = newContext;
}

#if defined(__SIZEOF_INT128__) && !defined(__clang__)
static void
pushInt128(struct call_context **context, uint_fast8_t *currentGPR,
    uint64_t value[2])
{
	size_t stackSize;
	struct call_context *newContext;

	if (*currentGPR + 1 < NUM_GPR_IN) {
		(*context)->GPR[(*currentGPR)++] = value[0];
		(*context)->GPR[(*currentGPR)++] = value[1];
		return;
	}

	stackSize = OF_ROUND_UP_POW2(2, (*context)->stackSize) + 2;

	if ((newContext = realloc(*context,
	    sizeof(**context) + stackSize * 8)) == NULL) {
		free(*context);
		@throw [OFOutOfMemoryException exceptionWithRequestedSize:
		    sizeof(**context) + stackSize * 8];
	}

	memset(&newContext->stack[newContext->stackSize], '\0',
	    (stackSize - newContext->stackSize) * 8);
	memcpy(&newContext->stack[stackSize - 2], value, 16);
	newContext->stackSize = stackSize;
	*context = newContext;
}
#endif

void
of_invocation_invoke(OFInvocation *invocation)
{
	OFMethodSignature *methodSignature = invocation.methodSignature;
	size_t numberOfArguments = methodSignature.numberOfArguments;
	struct call_context *context;
	const char *typeEncoding;
	uint_fast8_t currentGPR = 0, currentSSE = 0;

	if ((context = calloc(sizeof(*context), 1)) == NULL)
		@throw [OFOutOfMemoryException exception];

	for (size_t i = 0; i < numberOfArguments; i++) {
		typeEncoding = [methodSignature argumentTypeAtIndex: i];

		if (*typeEncoding == 'r')
			typeEncoding++;

		switch (*typeEncoding) {
#define CASE_GPR(encoding, type)					       \
		case encoding:						       \
			{						       \
				type tmp;				       \
				[invocation getArgument: &tmp		       \
						atIndex: i];		       \
				pushGPR(&context, &currentGPR, (uint64_t)tmp); \
			}						       \
			break;
		CASE_GPR('c', char)
		CASE_GPR('C', unsigned char)
		CASE_GPR('i', int)
		CASE_GPR('I', unsigned int)
		CASE_GPR('s', short)
		CASE_GPR('S', unsigned short)
		CASE_GPR('l', long)
		CASE_GPR('L', unsigned long)
		CASE_GPR('q', long long)
		CASE_GPR('Q', unsigned long long)
		CASE_GPR('B', _Bool)
		CASE_GPR('*', char *)
		CASE_GPR('@', id)
		CASE_GPR('#', Class)
		/*
		 * Using SEL triggers a warning that casting a SEL to an
		 * integer is deprecated.
		 */
		CASE_GPR(':', void *)
		CASE_GPR('^', void *)
#undef CASE_GPR
#ifdef __SIZEOF_INT128__
		case 't':
		case 'T':;
			uint64_t int128Tmp[2];
			[invocation getArgument: &int128Tmp
					atIndex: i];
# ifndef __clang__
			pushInt128(&context, &currentGPR, int128Tmp);
# else
			/* See https://bugs.llvm.org/show_bug.cgi?id=34646 */
			pushGPR(&context, &currentGPR, int128Tmp[0]);
			pushGPR(&context, &currentGPR, int128Tmp[1]);
# endif
			break;
#endif
		case 'f':;
			double floatTmp = 0;
			[invocation getArgument: &floatTmp
					atIndex: i];
			pushDouble(&context, &currentSSE, floatTmp);
			break;
		case 'd':;
			double doubleTmp;
			[invocation getArgument: &doubleTmp
					atIndex: i];
			pushDouble(&context, &currentSSE, doubleTmp);
			break;
		case 'D':;
			long double longDoubleTmp;
			[invocation getArgument: &longDoubleTmp
					atIndex: i];
			pushLongDouble(&context, longDoubleTmp);
			break;
		case 'j':
			switch (typeEncoding[1]) {
			case 'f':;
				double complexFloatTmp;
				[invocation getArgument: &complexFloatTmp
						atIndex: i];
				pushDouble(&context, &currentSSE,
				    complexFloatTmp);
				break;
			case 'd':;
				double complexDoubleTmp[2];
				[invocation getArgument: &complexDoubleTmp
						atIndex: i];
				pushQuad(&context, &currentSSE,
				    complexDoubleTmp[0], complexDoubleTmp[1]);
				break;
			case 'D':;
				long double complexLongDoubleTmp[2];
				[invocation getArgument: &complexLongDoubleTmp
						atIndex: i];
				pushLongDoublePair(&context,
				    complexLongDoubleTmp);
				break;
			default:
				free(context);
				@throw [OFInvalidFormatException exception];
			}

			break;
		/* TODO: '[' */
		/* TODO: '{' */
		/* TODO: '(' */
		default:
			free(context);
			@throw [OFInvalidFormatException exception];
		}
	}

	typeEncoding = methodSignature.methodReturnType;

	if (*typeEncoding == 'r')
		typeEncoding++;

	switch (*typeEncoding) {
	case 'v':
	case 'c':
	case 'C':
	case 'i':
	case 'I':
	case 's':
	case 'S':
	case 'l':
	case 'L':
	case 'q':
	case 'Q':
	case 'B':
	case '*':
	case '@':
	case '#':
	case ':':
	case '^':
#ifdef __SIZEOF_INT128__
	case 't':
	case 'T':
#endif
	case 'f':
	case 'd':
		context->returnType = RETURN_TYPE_NORMAL;
		break;
	case 'D':
		context->returnType = RETURN_TYPE_X87;
		break;
	case 'j':
		switch (typeEncoding[1]) {
		case 'f':
		case 'd':
			context->returnType = RETURN_TYPE_NORMAL;
			break;
		case 'D':
			context->returnType = RETURN_TYPE_COMPLEX_X87;
			break;
		default:
			free(context);
			@throw [OFInvalidFormatException exception];
		}

		break;
	/* TODO: '[' */
	/* TODO: '{' */
	/* TODO: '(' */
	default:
		free(context);
		@throw [OFInvalidFormatException exception];
	}

	of_invocation_call(context);

	switch (*typeEncoding) {
		case 'v':
			break;
#define CASE_GPR(encoding, type)					   \
		case encoding:						   \
			{						   \
				type tmp = (type)context->GPR[NUM_GPR_IN]; \
				[invocation setReturnValue: &tmp];	   \
			}						   \
			break;
		CASE_GPR('c', char)
		CASE_GPR('C', unsigned char)
		CASE_GPR('i', int)
		CASE_GPR('I', unsigned int)
		CASE_GPR('s', short)
		CASE_GPR('S', unsigned short)
		CASE_GPR('l', long)
		CASE_GPR('L', unsigned long)
		CASE_GPR('q', long long)
		CASE_GPR('Q', unsigned long long)
		CASE_GPR('B', _Bool)
		CASE_GPR('*', char *)
		CASE_GPR('@', id)
		CASE_GPR('#', Class)
		CASE_GPR(':', SEL)
		CASE_GPR('^', void *)
#undef CASE_GPR
#ifdef __SIZEOF_INT128__
		case 't':
		case 'T':;
			[invocation setReturnValue: &context->GPR[NUM_GPR_IN]];
			break;
#endif
		case 'f':;
			float floatTmp;
			_mm_store_ss(&floatTmp, context->SSE[0]);
			[invocation setReturnValue: &floatTmp];
			break;
		case 'd':;
			double doubleTmp;
			_mm_store_sd(&doubleTmp, (__m128d)context->SSE[0]);
			[invocation setReturnValue: &doubleTmp];
			break;
		case 'D':
			[invocation setReturnValue: &context->X87[0]];
			break;
		case 'j':
			switch (typeEncoding[1]) {
			case 'f':;
				double complexFloatTmp;
				_mm_store_sd(&complexFloatTmp,
				    (__m128d)context->SSE[0]);
				[invocation setReturnValue: &complexFloatTmp];
				break;
			case 'd':;
				double complexDoubleTmp[2];
				_mm_store_sd(&complexDoubleTmp[0],
				    (__m128d)context->SSE[0]);
				_mm_store_sd(&complexDoubleTmp[1],
				    (__m128d)context->SSE[1]);
				[invocation setReturnValue: &complexDoubleTmp];
				break;
			case 'D':
				[invocation setReturnValue: context->X87];
				break;
			default:
				free(context);
				@throw [OFInvalidFormatException exception];
			}

			break;
		/* TODO: '[' */
		/* TODO: '{' */
		/* TODO: '(' */
		default:
			free(context);
			@throw [OFInvalidFormatException exception];
	}

	free(context);
}

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#include "platform.h"

#if defined(OF_X86_64) && (defined(OF_APPLE_RUNTIME) || defined(OF_ELF))
# include "invoke-x86_64.m"
#else
/* To not have an empty translation unit otherwise */
int of_invocation_cannot_invoke;
#endif

#undef OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR
#undef OF_HAVE_IPV6
#undef OF_HAVE_IPX
#undef OF_HAVE_LIMITS_H
#undef OF_HAVE_LINK
#undef OF_HAVE_MAX_ALIGN_T
#undef OF_HAVE_NETINET_IN_H
#undef OF_HAVE_NETINET_SCTP_H
#undef OF_HAVE_NETINET_TCP_H
#undef OF_HAVE_NETIPX_IPX_H
#undef OF_HAVE_OSATOMIC
#undef OF_HAVE_OSATOMIC_64
#undef OF_HAVE_PIPE
#undef OF_HAVE_PLEDGE
#undef OF_HAVE_PLUGINS

#endif
#ifdef OF_HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
#ifdef OF_HAVE_NETINET_TCP_H
# include <netinet/tcp.h>
#endif
#ifdef OF_HAVE_NETINET_SCTP_H
# include <netinet/sctp.h>
#endif
#ifdef OF_HAVE_NETIPX_IPX_H
# include <netipx/ipx.h>
#endif

#include "platform.h"

#ifdef OF_WINDOWS

include ../extra.mk

SUBDIRS = ${TESTPLUGIN}

CLEAN = EBOOT.PBP		\
	boot.dol		\
	${PROG_NOINST}.arm9	\
	${PROG_NOINST}.nds

PROG_NOINST = tests${PROG_SUFFIX}
STATIC_LIB_NOINST = ${TESTS_STATIC_LIB}
SRCS = ForwardingTests.m		\
       OFASN1DERRepresentationTests.m	\
       OFASN1DERValueTests.m		\
       OFArrayTests.m			\
       ${OF_BLOCK_TESTS_M}		\
       OFCharacterSetTests.m		\
       OFDataTests.m			\
       OFDateTests.m			\
       OFDictionaryTests.m		\
       OFInvocationTests.m		\

	     OFSHA256HashTests.m	\
	     OFSHA384HashTests.m	\
	     OFSHA512HashTests.m
SRCS_IPX = OFIPXSocketTests.m		\
	   OFSPXSocketTests.m		\
	   OFSPXStreamSocketTests.m
SRCS_PLUGINS = OFPluginTests.m
SRCS_SCTP = OFSCTPSocketTests.m
SRCS_SOCKETS = OFDNSResolverTests.m		\
	       ${OF_HTTP_CLIENT_TESTS_M}	\
	       OFHTTPCookieTests.m		\
	       OFHTTPCookieManagerTests.m	\
	       OFKernelEventObserverTests.m	\
	       OFTCPSocketTests.m		\
	       OFUDPSocketTests.m		\
	       SocketTests.m			\
	       ${USE_SRCS_IPX}			\
	       ${USE_SRCS_SCTP}
SRCS_THREADS = OFThreadTests.m
SRCS_WINDOWS = OFWindowsRegistryKeyTests.m

IOS_USER ?= mobile
IOS_TMP ?= /tmp/objfw-test

include ../buildsys.mk

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#import "TestsAppDelegate.h"

static OFString *module;

@implementation TestsAppDelegate (OFASN1DERRepresentationTests)
- (void)ASN1DERRepresentationTests
{
	void *pool = objc_autoreleasePoolPush();
	OFData *data;

	module = @"OFASN1BitString";
	TEST(@"-[ASN1DERRepresentation]",
	    (data = [OFData dataWithItems: "\xFF\x00\xF8"
				    count: 3]) &&
	    [[[OFASN1BitString bitStringWithBitStringValue: data
					   bitStringLength: 21]
	    ASN1DERRepresentation] isEqual:
	    [OFData dataWithItems: "\x03\x04\x03\xFF\x00\xF8"
			    count: 6]] &&
	    (data = [OFData dataWithItems: "abcdefäöü"
				    count: 12]) &&
	    [[[OFASN1BitString bitStringWithBitStringValue: data
					   bitStringLength: 12 * 8]
	    ASN1DERRepresentation] isEqual:
	    [OFData dataWithItems: "\x03\x0D\x00" "abcdefäöü"
			    count: 15]] &&
	    (data = [OFData dataWithItems: ""
				    count: 0]) &&
	    [[[OFASN1BitString bitStringWithBitStringValue: data
					   bitStringLength: 0]
	    ASN1DERRepresentation] isEqual:
	    [OFData dataWithItems: "\x03\x01\x00"
			    count: 3]])

	module = @"OFASN1Boolean";
	TEST(@"-[ASN1DERRepresentation]",
	    [[[OFASN1Boolean booleanWithBooleanValue: false]
	    ASN1DERRepresentation] isEqual:
	    [OFData dataWithItems: "\x01\x01\x00"
			    count: 3]] &&
	    [[[OFASN1Boolean booleanWithBooleanValue: true]
	    ASN1DERRepresentation] isEqual:
	    [OFData dataWithItems: "\x01\x01\xFF"
			    count: 3]])

	module = @"OFNull";
	TEST(@"-[OFASN1DERRepresentation]",
	    [[[OFNull null] ASN1DERRepresentation] isEqual:
	    [OFData dataWithItems: "\x05\x00"
			    count: 2]])

	objc_autoreleasePoolPop(pool);
}
@end

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#import "TestsAppDelegate.h"

static OFString *module = @"OFData+ASN1DERValue";

@implementation TestsAppDelegate (OFASN1DERValueTests)
- (void)ASN1DERValueTests
{
	void *pool = objc_autoreleasePoolPush();
	OFASN1BitString *bitString;
	OFArray *array;
	OFSet *set;
	OFEnumerator *enumerator;

	/* Boolean */
	TEST(@"Parsing of boolean",
	    ![[[OFData dataWithItems: "\x01\x01\x00"
			       count: 3] ASN1DERValue] booleanValue] &&
	    [[[OFData dataWithItems: "\x01\x01\xFF"
			      count: 3] ASN1DERValue] booleanValue])

	EXPECT_EXCEPTION(@"Detection of invalid boolean #1",
	    OFInvalidFormatException, [[OFData dataWithItems: "\x01\x01\x01"
						       count: 3] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of invalid boolean #2",
	    OFInvalidFormatException, [[OFData dataWithItems: "\x01\x02\x00\x00"
						       count: 4] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of invalid boolean #3",
	    OFInvalidFormatException, [[OFData dataWithItems: "\x01\x00"
						       count: 2] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of truncated boolean",
	    OFTruncatedDataException, [[OFData dataWithItems: "\x01\x01"
						       count: 2] ASN1DERValue])

	/* Integer */
	TEST(@"Parsing of integer",
	    [[[OFData dataWithItems: "\x02\x00"
			      count: 2] ASN1DERValue] integerValue] == 0 &&
	    [[[OFData dataWithItems: "\x02\x01\x01"
			      count: 3] ASN1DERValue] integerValue] == 1 &&
	    [[[OFData dataWithItems: "\x02\x02\x01\x04"
			      count: 4] ASN1DERValue] integerValue] == 260 &&
	    [[[OFData dataWithItems: "\x02\x01\xFF"
			      count: 3] ASN1DERValue] integerValue] == -1 &&
	    [[[OFData dataWithItems: "\x02\x03\xFF\x00\x00"
			      count: 5] ASN1DERValue] integerValue] == -65536 &&
	    (uintmax_t)[[[OFData dataWithItems: "\x02\x09\x00\xFF\xFF\xFF\xFF"
						"\xFF\xFF\xFF\xFF"
					 count: 11] ASN1DERValue]
	    integerValue] == UINTMAX_MAX)

	EXPECT_EXCEPTION(@"Detection of invalid integer #1",
	    OFInvalidFormatException, [[OFData dataWithItems: "\x02\x02\x00\x00"
						       count: 4] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of invalid integer #2",
	    OFInvalidFormatException, [[OFData dataWithItems: "\x02\x02\x00\x7F"
						       count: 4] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of invalid integer #3",
	    OFInvalidFormatException, [[OFData dataWithItems: "\x02\x02\xFF\x80"
						       count: 4] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of out of range integer",
	    OFOutOfRangeException,
	    [[OFData dataWithItems: "\x02\x09\x01"
				    "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF"
			     count: 11] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of truncated integer",
	    OFTruncatedDataException, [[OFData dataWithItems: "\x02\x02\x00"
						       count: 3] ASN1DERValue])

	/* Bit string */
	TEST(@"Parsing of bit string",
	    (bitString = [[OFData dataWithItems: "\x03\x01\x00"
					  count: 3] ASN1DERValue]) &&
	    [bitString.bitStringValue isEqual: [OFData dataWithItems: ""
					count: 0]] &&
	    bitString.bitStringLength == 0 &&
	    (bitString = [[OFData dataWithItems: "\x03\x0D\x01Hello World\x80"
					  count: 15] ASN1DERValue]) &&
	    [bitString.bitStringValue
	    isEqual: [OFData dataWithItems: "Hello World\x80"
				     count: 12]] &&
	    bitString.bitStringLength == 95 &&
	    (bitString = [[OFData dataWithItems: "\x03\x81\x80\x00xxxxxxxxxxxxx"
						 "xxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
						 "xxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
						 "xxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
						 "xxxxxxxxxxxxxxxxxxxxxxxxxxx"
					  count: 131] ASN1DERValue]) &&
	    [bitString.bitStringValue
	    isEqual: [OFData dataWithItems: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
					    "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
					    "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
					    "xxxxxxxxxxxxxxxxxxxxxxxxx"
				     count: 127]] &&
	    bitString.bitStringLength == 127 * 8)

	EXPECT_EXCEPTION(@"Detection of invalid bit string #1",
	    OFInvalidFormatException, [[OFData dataWithItems: "\x03\x00"
						       count: 2] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of invalid bit string #2",
	    OFInvalidFormatException, [[OFData dataWithItems: "\x03\x01\x01"
						       count: 3] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of out of range bit string",
	    OFOutOfRangeException,
	    [[OFData dataWithItems: "\x03\x89"
				    "\x01\x01\x01\x01\x01\x01\x01\x01\x01"
			     count: 11] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of truncated bit string",
	    OFTruncatedDataException, [[OFData dataWithItems: "\x03\x01"
						       count: 2] ASN1DERValue])

	/* Octet string */
	TEST(@"Parsing of octet string",
	    [[[[OFData dataWithItems: "\x04\x0CHello World!"
			      count: 14] ASN1DERValue] octetStringValue]
	    isEqual: [OFData dataWithItems: "Hello World!"
				     count: 12]] &&
	    [[[[OFData dataWithItems: "\x04\x81\x80xxxxxxxxxxxxxxxxxxxxxxxxxxxx"
				      "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
				      "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
				      "xxxxxxxxxxxxxxxxxxxx"
			       count: 131] ASN1DERValue] octetStringValue]
	    isEqual: [OFData dataWithItems: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
					    "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
					    "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
					    "xxxxxxxxxxxxxxxxxxxxxxxxxx"
				     count: 128]])

	EXPECT_EXCEPTION(@"Detection of out of range octet string",
	    OFOutOfRangeException,
	    [[OFData dataWithItems: "\x04\x89"
				    "\x01\x01\x01\x01\x01\x01\x01\x01\x01"
			     count: 11] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of truncated octet string",
	    OFTruncatedDataException, [[OFData dataWithItems: "\x04\x01"
						       count: 2] ASN1DERValue])

	/* Null */
	TEST(@"Parsing of null",
	    [[[OFData dataWithItems: "\x05\x00"
			      count: 2] ASN1DERValue] isEqual: [OFNull null]])

	EXPECT_EXCEPTION(@"Detection of invalid null",
	    OFInvalidFormatException, [[OFData dataWithItems: "\x05\x01\x00"
						       count: 3] ASN1DERValue])

	/* Object Identifier */
	TEST(@"Parsing of Object Identifier",
	    (array = [[[OFData dataWithItems: "\x06\x01\x27"
				       count: 3] ASN1DERValue]
	    subidentifiers]) && array.count == 2 &&
	    [[array objectAtIndex: 0] uIntMaxValue] == 0 &&
	    [[array objectAtIndex: 1] uIntMaxValue] == 39 &&
	    (array = [[[OFData dataWithItems: "\x06\x01\x4F"
				       count: 3] ASN1DERValue]
	    subidentifiers]) && array.count == 2 &&
	    [[array objectAtIndex: 0] uIntMaxValue] == 1 &&
	    [[array objectAtIndex: 1] uIntMaxValue] == 39 &&
	    (array = [[[OFData dataWithItems: "\x06\x02\x88\x37"
				       count: 4] ASN1DERValue]
	    subidentifiers]) && array.count == 2 &&
	    [[array objectAtIndex: 0] uIntMaxValue] == 2 &&
	    [[array objectAtIndex: 1] uIntMaxValue] == 999 &&
	    (array = [[[OFData dataWithItems: "\x06\x09\x2A\x86\x48\x86\xF7\x0D"
					      "\x01\x01\x0B"
				       count: 11] ASN1DERValue]
	    subidentifiers]) && array.count == 7 &&
	    [[array objectAtIndex: 0] uIntMaxValue] == 1 &&
	    [[array objectAtIndex: 1] uIntMaxValue] == 2 &&
	    [[array objectAtIndex: 2] uIntMaxValue] == 840 &&
	    [[array objectAtIndex: 3] uIntMaxValue] == 113549 &&
	    [[array objectAtIndex: 4] uIntMaxValue] == 1 &&
	    [[array objectAtIndex: 5] uIntMaxValue] == 1 &&
	    [[array objectAtIndex: 6] uIntMaxValue] == 11)

	EXPECT_EXCEPTION(@"Detection of invalid Object Identifier #1",
	    OFInvalidFormatException, [[OFData dataWithItems: "\x06\x01\x81"
						       count: 3] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of invalid Object Identifier #2",
	    OFInvalidFormatException, [[OFData dataWithItems: "\x06\x02\x80\x01"
						       count: 4] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of out of range Object Identifier",
	    OFOutOfRangeException,
	    [[OFData dataWithItems: "\x06\x0A\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF"
				    "\xFF\x7F"
			     count: 12] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of truncated Object Identifier",
	    OFTruncatedDataException, [[OFData dataWithItems: "\x06\x02\x00"
						       count: 3] ASN1DERValue])

	/* Enumerated */
	TEST(@"Parsing of enumerated",
	    [[[OFData dataWithItems: "\x0A\x00"
			      count: 2] ASN1DERValue] integerValue] == 0 &&
	    [[[OFData dataWithItems: "\x0A\x01\x01"
			      count: 3] ASN1DERValue] integerValue] == 1 &&
	    [[[OFData dataWithItems: "\x0A\x02\x01\x04"
			      count: 4] ASN1DERValue] integerValue] == 260 &&
	    [[[OFData dataWithItems: "\x0A\x01\xFF"
			      count: 3] ASN1DERValue] integerValue] == -1 &&
	    [[[OFData dataWithItems: "\x0A\x03\xFF\x00\x00"
			      count: 5] ASN1DERValue] integerValue] == -65536 &&
	    (uintmax_t)[[[OFData dataWithItems: "\x0A\x09\x00\xFF\xFF\xFF\xFF"
						"\xFF\xFF\xFF\xFF"
					 count: 11] ASN1DERValue]
	    integerValue] == UINTMAX_MAX)

	EXPECT_EXCEPTION(@"Detection of invalid enumerated #1",
	    OFInvalidFormatException, [[OFData dataWithItems: "\x0A\x02\x00\x00"
						       count: 4] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of invalid enumerated #2",
	    OFInvalidFormatException, [[OFData dataWithItems: "\x0A\x02\x00\x7F"
						       count: 4] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of invalid enumerated #3",
	    OFInvalidFormatException, [[OFData dataWithItems: "\x0A\x02\xFF\x80"
						       count: 4] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of out of range enumerated",
	    OFOutOfRangeException,
	    [[OFData dataWithItems: "\x0A\x09\x01"
				    "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF"
			     count: 11] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of truncated enumerated",
	    OFTruncatedDataException, [[OFData dataWithItems: "\x0A\x02\x00"
						       count: 3] ASN1DERValue])

	/* UTF-8 string */
	TEST(@"Parsing of UTF-8 string",
	    [[[[OFData dataWithItems: "\x0C\x0EHällo Wörld!"
			       count: 16] ASN1DERValue] UTF8StringValue]
	    isEqual: @"Hällo Wörld!"] &&
	    [[[[OFData dataWithItems: "\x0C\x81\x80xxxxxxxxxxxxxxxxxxxxxxxxxxxx"
				      "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
				      "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
				      "xxxxxxxxxxxxxxxxxxxx"
			       count: 131] ASN1DERValue] UTF8StringValue]
	    isEqual: @"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
		     @"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
		     @"xxxxxxxxxxxxxxxx"])

	EXPECT_EXCEPTION(@"Detection of out of range UTF-8 string",
	    OFOutOfRangeException,
	    [[OFData dataWithItems: "\x0C\x89"
				    "\x01\x01\x01\x01\x01\x01\x01\x01\x01"
			     count: 11] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of truncated UTF-8 string",
	    OFTruncatedDataException, [[OFData dataWithItems: "\x0C\x01"
						       count: 2] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of truncated length",
	    OFTruncatedDataException, [[OFData dataWithItems: "\x0C\x83\x01\x01"
						       count: 4] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of invalid / inefficient length #1",
	    OFInvalidFormatException, [[OFData dataWithItems: "\x0C\x81\x7F"
						       count: 3] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of invalid / inefficient length #2",
	    OFInvalidFormatException,
	    [[OFData dataWithItems: "\x0C\x82\x00\x80xxxxxxxxxxxxxxxxxxxxxxxxxx"
				    "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
				    "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
				    "xxxxxxxxxxxxxxxxxx"
			     count: 132] ASN1DERValue])

	/* Sequence */
	TEST(@"Parsing of sequence",
	    (array = [[OFData dataWithItems: "\x30\x00"
				      count: 2] ASN1DERValue]) &&
	    [array isKindOfClass: [OFArray class]] && array.count == 0 &&
	    (array = [[OFData dataWithItems: "\x30\x09\x02\x01\x7B\x0C\x04Test"
				      count: 11] ASN1DERValue]) &&
	    [array isKindOfClass: [OFArray class]] && array.count == 2 &&
	    [[array objectAtIndex: 0] integerValue] == 123 &&
	    [[[array objectAtIndex: 1] stringValue] isEqual: @"Test"])

	EXPECT_EXCEPTION(@"Detection of truncated sequence #1",
	    OFTruncatedDataException, [[OFData dataWithItems: "\x30\x01"
						       count: 2] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of truncated sequence #2",
	    OFTruncatedDataException,
	    [[OFData dataWithItems: "\x30\x04\x02\x01\x01\x00\x00"
			     count: 7] ASN1DERValue])

	/* Set */
	TEST(@"Parsing of set",
	    (set = [[OFData dataWithItems: "\x31\x00"
				    count: 2] ASN1DERValue]) &&
	    [set isKindOfClass: [OFSet class]] && set.count == 0 &&
	    (set = [[OFData dataWithItems: "\x31\x09\x02\x01\x7B\x0C\x04Test"
				    count: 11] ASN1DERValue]) &&
	    [set isKindOfClass: [OFSet class]] && set.count == 2 &&
	    (enumerator = [set objectEnumerator]) &&
	    [[enumerator nextObject] integerValue] == 123 &&
	    [[[enumerator nextObject] stringValue] isEqual: @"Test"])

	EXPECT_EXCEPTION(@"Detection of invalid set",
	    OFInvalidFormatException,
	    [[OFData dataWithItems: "\x31\x06\x02\x01\x02\x02\x01\x01"
			     count: 8] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of truncated set #1",
	    OFTruncatedDataException, [[OFData dataWithItems: "\x31\x01"
						       count: 2] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of truncated set #2",
	    OFTruncatedDataException,
	    [[OFData dataWithItems: "\x31\x04\x02\x01\x01\x00\x00"
			     count: 7] ASN1DERValue])

	/* NumericString */
	TEST(@"Parsing of NumericString",
	    [[[[OFData dataWithItems: "\x12\x0B" "12345 67890"
			      count: 13] ASN1DERValue] numericStringValue]
	    isEqual: @"12345 67890"] &&
	    [[[[OFData dataWithItems: "\x12\x81\x80" "0000000000000000000000000"
				      "0000000000000000000000000000000000000000"
				      "0000000000000000000000000000000000000000"
				      "00000000000000000000000"
			       count: 131] ASN1DERValue] numericStringValue]
	    isEqual: @"00000000000000000000000000000000000000000000000000000000"
		     @"00000000000000000000000000000000000000000000000000000000"
		     @"0000000000000000"])

	EXPECT_EXCEPTION(@"Detection of invalid NumericString",
	    OFInvalidEncodingException,
	    [[OFData dataWithItems: "\x12\x02."
			     count: 4] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of out of range NumericString",
	    OFOutOfRangeException,
	    [[OFData dataWithItems: "\x12\x89"
				    "\x01\x01\x01\x01\x01\x01\x01\x01\x01"
			     count: 11] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of truncated NumericString",
	    OFTruncatedDataException, [[OFData dataWithItems: "\x12\x01"
						       count: 2] ASN1DERValue])

	/* PrintableString */
	TEST(@"Parsing of PrintableString",
	    [[[[OFData dataWithItems: "\x13\x0CHello World."
			       count: 14] ASN1DERValue] printableStringValue]
	    isEqual: @"Hello World."] &&
	    [[[[OFData dataWithItems: "\x13\x81\x80 '()+,-./:=?abcdefghijklmnop"
				      "qrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ '()"
				      "+,-./:=?abcdefghijklmnopqrstuvwxyzABCDEF"
				      "GHIJKLMNOPQRSTUVWXYZ"
			       count: 131] ASN1DERValue] printableStringValue]
	    isEqual: @" '()+,-./:=?abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQR"
		     @"STUVWXYZ '()+,-./:=?abcdefghijklmnopqrstuvwxyzABCDEFGHIJ"
		     @"KLMNOPQRSTUVWXYZ"])

	EXPECT_EXCEPTION(@"Detection of invalid PrintableString",
	    OFInvalidEncodingException,
	    [[OFData dataWithItems: "\x13\x02;"
			     count: 4] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of out of range PrintableString",
	    OFOutOfRangeException,
	    [[OFData dataWithItems: "\x13\x89"
				    "\x01\x01\x01\x01\x01\x01\x01\x01\x01"
			     count: 11] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of truncated PrintableString",
	    OFTruncatedDataException, [[OFData dataWithItems: "\x13\x01"
						       count: 2] ASN1DERValue])

	/* IA5String */
	TEST(@"Parsing of IA5String",
	    [[[[OFData dataWithItems: "\x16\x0CHello World!"
			       count: 14] ASN1DERValue] IA5StringValue]
	    isEqual: @"Hello World!"] &&
	    [[[[OFData dataWithItems: "\x16\x81\x80xxxxxxxxxxxxxxxxxxxxxxxxxxxx"
				      "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
				      "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
				      "xxxxxxxxxxxxxxxxxxxx"
			       count: 131] ASN1DERValue] IA5StringValue]
	    isEqual: @"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
		     @"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
		     @"xxxxxxxxxxxxxxxx"])

	EXPECT_EXCEPTION(@"Detection of invalid IA5String",
	    OFInvalidEncodingException,
	    [[OFData dataWithItems: "\x16\x02ä"
			     count: 4] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of out of range IA5String",
	    OFOutOfRangeException,
	    [[OFData dataWithItems: "\x16\x89"
				    "\x01\x01\x01\x01\x01\x01\x01\x01\x01"
			     count: 11] ASN1DERValue])

	EXPECT_EXCEPTION(@"Detection of truncated IA5String",
	    OFTruncatedDataException, [[OFData dataWithItems: "\x16\x01"
						       count: 2] ASN1DERValue])

	objc_autoreleasePoolPop(pool);
}
@end

							      atIndex: 4]) &&
	    stp == stp2)

	TEST(@"-[getArgument:atIndex:] #4", R([invocation getArgument: &st2
							      atIndex: 5]) &&
	    memcmp(&st, &st2, sizeof(st)) == 0)

#ifdef OF_INVOCATION_CAN_INVOKE
	/* -[invoke] #1 */
	selector = @selector(invocationTestMethod2:);
	invocation = [OFInvocation invocationWithMethodSignature:
	    [self methodSignatureForSelector: selector]];

	[invocation setArgument: &self
			atIndex: 0];
	[invocation setArgument: &selector
			atIndex: 1];
	[invocation setArgument: &self
			atIndex: 2];

	TEST(@"-[invoke] #1", R([invocation invoke]))

	/* -[invoke] #2 */
	selector = @selector(invocationTestMethod3::::::::::::::::);
	invocation = [OFInvocation invocationWithMethodSignature:
	    [self methodSignatureForSelector: selector]];

	[invocation setArgument: &self
			atIndex: 0];
	[invocation setArgument: &selector
			atIndex: 1];

	for (int j = 1; j <= 16; j++)
		[invocation setArgument: &j
				atIndex: j + 1];

	int intResult;
	TEST(@"-[invoke] #2", R([invocation invoke]) &&
	    R([invocation getReturnValue: &intResult]) && intResult == 8)

	/* -[invoke] #3 */
	selector = @selector(invocationTestMethod4::::::::::::::::);
	invocation = [OFInvocation invocationWithMethodSignature:
	    [self methodSignatureForSelector: selector]];

	[invocation setArgument: &self
			atIndex: 0];
	[invocation setArgument: &selector
			atIndex: 1];

	for (int j = 1; j <= 16; j++) {
		double d = j;
		[invocation setArgument: &d
				atIndex: j + 1];
	}

	double doubleResult;
	TEST(@"-[invoke] #3", R([invocation invoke]) &&
	    R([invocation getReturnValue: &doubleResult]) &&
	    doubleResult == 8.5)

	/* -[invoke] #4 */
	selector = @selector(invocationTestMethod5::::::::::::::::);
	invocation = [OFInvocation invocationWithMethodSignature:
	    [self methodSignatureForSelector: selector]];

	[invocation setArgument: &self
			atIndex: 0];
	[invocation setArgument: &selector
			atIndex: 1];

	for (int j = 1; j <= 16; j++) {
		float f = j;
		double d = j;

		if (j == 1 || j == 10)
			[invocation setArgument: &d
					atIndex: j + 1];
		else
			[invocation setArgument: &f
					atIndex: j + 1];
	}

	float floatResult;
	TEST(@"-[invoke] #4", R([invocation invoke]) &&
	    R([invocation getReturnValue: &floatResult]) && floatResult == 8.5)

	/* Only when encoding long doubles is supported */
	if (strcmp(@encode(double), @encode(long double)) != 0) {
		/* -[invoke] #5 */
		selector = @selector(invocationTestMethod6::::::::::::::::);
		invocation = [OFInvocation invocationWithMethodSignature:
		    [self methodSignatureForSelector: selector]];

		[invocation setArgument: &self
				atIndex: 0];
		[invocation setArgument: &selector
				atIndex: 1];

		for (int j = 1; j <= 16; j++) {
			long double d = j;
			[invocation setArgument: &d
					atIndex: j + 1];
		}

		long double longDoubleResult;
		TEST(@"-[invoke] #5", R([invocation invoke]) &&
		    R([invocation getReturnValue: &longDoubleResult]) &&
		    longDoubleResult == 8.5)
	}

# if defined(HAVE_COMPLEX_H) && !defined(__STDC_NO_COMPLEX__)
	/* -[invoke] #6 */
	selector = @selector(invocationTestMethod7::::::::::::::::);
	invocation = [OFInvocation invocationWithMethodSignature:
	    [self methodSignatureForSelector: selector]];

	[invocation setArgument: &self
			atIndex: 0];
	[invocation setArgument: &selector
			atIndex: 1];

	for (int j = 1; j <= 16; j++) {
		complex float cf = j + 0.5 * j * I;
		complex double cd = j + 0.5 * j * I;

		if (j & 1)
			[invocation setArgument: &cf
					atIndex: j + 1];
		else
			[invocation setArgument: &cd
					atIndex: j + 1];
	}

	complex double complexDoubleResult;
	TEST(@"-[invoke] #6", R([invocation invoke]) &&
	    R([invocation getReturnValue: &complexDoubleResult]) &&
	    complexDoubleResult == 8.5 + 4.25 * I)

	/* Only when encoding complex long doubles is supported */
	if (strcmp(@encode(complex double),
	    @encode(complex long double)) != 0) {
		/* -[invoke] #7 */
		selector = @selector(invocationTestMethod8::::::::::::::::);
		invocation = [OFInvocation invocationWithMethodSignature:
		    [self methodSignatureForSelector: selector]];

		[invocation setArgument: &self
				atIndex: 0];
		[invocation setArgument: &selector
				atIndex: 1];

		for (int j = 1; j <= 16; j++) {
			complex double cd = j + 0.5 * j * I;
			complex float cf = j + 0.5 * j * I;
			complex long double cld = j + 0.5 * j * I;

			switch (j % 3) {
			case 0:
				[invocation setArgument: &cld
						atIndex: j + 1];
				break;
			case 1:
				[invocation setArgument: &cd
						atIndex: j + 1];
				break;
			case 2:
				[invocation setArgument: &cf
						atIndex: j + 1];
				break;
			}
		}

		complex long double complexLongDoubleResult;
		TEST(@"-[invoke] #7", R([invocation invoke]) &&
		    R([invocation getReturnValue: &complexLongDoubleResult]) &&
		    complexLongDoubleResult == 8.5 + 4.25 * I)
	}
# endif

# ifdef __SIZEOF_INT128__
	/* -[invoke] #8 */
	selector = @selector(invocationTestMethod9::::::::::::::::);
	invocation = [OFInvocation invocationWithMethodSignature:
	    [self methodSignatureForSelector: selector]];

	[invocation setArgument: &self
			atIndex: 0];
	[invocation setArgument: &selector
			atIndex: 1];

	for (int j = 1; j <= 16; j++) {
		__extension__ __int128 i128 = 0xFFFFFFFFFFFFFFFF;
		i128 <<= 64;
		i128 |= j;

		if (j == 1 || j == 5)
			[invocation setArgument: &j
					atIndex: j + 1];
		else
			[invocation setArgument: &i128
					atIndex: j + 1];
	}

	__extension__ __int128 int128Result;
	TEST(@"-[invoke] #8", R([invocation invoke]) &&
	    R([invocation getReturnValue: &int128Result]) &&
	    int128Result == __extension__ ((__int128)0xFFFFFFFFFFFFFFFF << 64) +
	    8)
# endif
#endif

	objc_autoreleasePoolPop(pool);
}
@end

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#include <errno.h>
#include <string.h>

#import "TestsAppDelegate.h"

static OFString *module = @"OFSCTPSocket";

@implementation TestsAppDelegate (OFSCTPSocketTests)
- (void)SCTPSocketTests
{
	void *pool = objc_autoreleasePoolPush();
	OFSCTPSocket *server, *client = nil, *accepted;
	uint16_t port;
	char buf[6];

	TEST(@"+[socket]", (server = [OFSCTPSocket socket]) &&
	    (client = [OFSCTPSocket socket]))

	@try {
		TEST(@"-[bindToHost:port:]",
		    (port = [server bindToHost: @"127.0.0.1"
					  port: 0]))
	} @catch (OFBindFailedException *e) {
		switch (e.errNo) {
		case EPROTONOSUPPORT:
			of_stdout.foregroundColor = [OFColor lime];
			[of_stdout writeLine:
			    @"[OFSCTPSocket] -[bindToHost:port:]: "
			    @"SCTP unsupported, skipping tests"];
			break;
		default:
			@throw e;
		}

		objc_autoreleasePoolPop(pool);
		return;
	}

	TEST(@"-[listen]", R([server listen]))

	TEST(@"-[connectToHost:port:]",
	    R([client connectToHost: @"127.0.0.1"
			       port: port]))

	TEST(@"-[accept]", (accepted = [server accept]))

	TEST(@"-[remoteAddress]",
	    [of_socket_address_ip_string(accepted.remoteAddress, NULL)
	    isEqual: @"127.0.0.1"])

	TEST(@"-[sendBuffer:length:]", R([client sendBuffer: "Hello!"
						     length: 6]))

	TEST(@"-[receiveIntoBuffer:length:]", [accepted receiveIntoBuffer: buf
								   length: 6] &&
	    !memcmp(buf, "Hello!", 6))

	objc_autoreleasePoolPop(pool);
}
@end

	     inModule: (OFString *)module;
- (void)outputSuccess: (OFString *)test
	     inModule: (OFString *)module;
- (void)outputFailure: (OFString *)test
	     inModule: (OFString *)module;
@end

@interface TestsAppDelegate (OFASN1DERValueTests)
- (void)ASN1DERValueTests;
@end

@interface TestsAppDelegate (OFASN1DERRepresentationTests)
- (void)ASN1DERRepresentationTests;
@end

@interface TestsAppDelegate (OFArrayTests)
- (void)arrayTests;
@end

@interface TestsAppDelegate (OFBlockTests)
- (void)blockTests;
@end

- (void)SHA384HashTests;
@end

@interface TestsAppDelegate (OFSHA512HashTests)
- (void)SHA512HashTests;
@end

@interface TestsAppDelegate (OFSCTPSocketTests)
- (void)SCTPSocketTests;
@end

@interface TestsAppDelegate (OFSPXSocketTests)
- (void)SPXSocketTests;
@end

@interface TestsAppDelegate (OFSPXStreamSocketTests)
- (void)SPXStreamSocketTests;
@end

#if defined(OF_HAVE_FILES) && defined(HAVE_CODEPAGE_437)
	[self INIFileTests];
#endif
#ifdef OF_HAVE_SOCKETS
	[self socketTests];
	[self TCPSocketTests];
	[self UDPSocketTests];
# ifdef OF_HAVE_SCTP
	[self SCTPSocketTests];
# endif
# ifdef OF_HAVE_IPX
	[self IPXSocketTests];
	[self SPXSocketTests];
	[self SPXStreamSocketTests];
# endif
	[self kernelEventObserverTests];
#endif

	[self XMLNodeTests];
	[self XMLElementBuilderTests];
#ifdef OF_HAVE_FILES
	[self serializationTests];
#endif
	[self JSONTests];
	[self propertyListTests];
	[self ASN1DERValueTests];
	[self ASN1DERRepresentationTests];
#if defined(OF_HAVE_PLUGINS)
	[self pluginTests];
#endif
#ifdef OF_WINDOWS
	[self windowsRegistryKeyTests];
#endif

include ../extra.mk

SUBDIRS += ${OFARC}	\
	   ${OFDNS}	\
	   ${OFHASH}	\
	   ${OFHTTP}	\
	   ${OFSOCK}	\
	   completions

include ../buildsys.mk

DISTCLEAN = objfw-config

install-extra: objfw-config objfw-compile objfw-new

include ../../extra.mk

PROG = ofsock${PROG_SUFFIX}
SRCS = OFSock.m

include ../../buildsys.mk

PACKAGE_NAME = ofsock

${PROG}: ${LIBOBJFW_DEP_LVL2} ${LIBOBJFWRT_DEP_LVL2}

CPPFLAGS += -I../../src					\
	    -I../../src/runtime				\
	    -I../../src/exceptions			\
	    -I../..
LIBS := -L../../src -lobjfw						\
	-L../../src/runtime -L../../src/runtime/linklib ${RUNTIME_LIBS}	\
	${LIBS}
LD = ${OBJC}
LDFLAGS += ${LDFLAGS_RPATH}

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#import "OFApplication.h"
#import "OFArray.h"
#import "OFNumber.h"
#import "OFPair.h"
#import "OFStdIOStream.h"
#import "OFStream.h"
#import "OFString.h"
#import "OFTCPSocket.h"
#import "OFURL.h"

#define BUFFER_LEN 4096

@interface OFSock: OFObject <OFApplicationDelegate, OFStreamDelegate>
{
	char _buffer[BUFFER_LEN];
	OFMutableArray OF_GENERIC(OFPair OF_GENERIC(OFStream *, OFStream *) *)
	    *_streams;
	int _errors;
}
@end

OF_APPLICATION_DELEGATE(OFSock)

static OFPair OF_GENERIC(OFStream *, OFStream *) *
streamFromString(OFString *string)
{
	OFURL *URL;
	OFString *scheme;

	if ([string isEqual: @"-"])
		return [OFPair pairWithFirstObject: of_stdin
				      secondObject: of_stdout];

	URL = [OFURL URLWithString: string];
	scheme = URL.scheme;

	if ([scheme isEqual: @"tcp"]) {
		OFTCPSocket *sock = [OFTCPSocket socket];

		if (URL.port == nil) {
			[of_stderr writeLine: @"Need a port!"];
			[OFApplication terminateWithStatus: 1];
		}

		[sock connectToHost: URL.host
			       port: URL.port.uInt16Value];

		return [OFPair pairWithFirstObject: sock
				      secondObject: sock];
	}

	[of_stderr writeFormat: @"Invalid protocol: %@\n", scheme];
	[OFApplication terminateWithStatus: 1];
	abort();
}

@implementation OFSock
- (void)applicationDidFinishLaunching
{
	OFArray OF_GENERIC(OFString *) *arguments = [OFApplication arguments];

	if (arguments.count < 1) {
		[of_stderr writeLine: @"Need at least one argument!"];
		[OFApplication terminateWithStatus: 1];
	}

	_streams = [[OFMutableArray alloc] init];

	for (OFString *argument in arguments) {
		OFPair *pair = streamFromString(argument);

		[pair.firstObject setDelegate: self];

		[_streams addObject: pair];
	}

	if (arguments.count == 1) {
		of_stdin.delegate = self;

		[_streams addObject:
		    [OFPair pairWithFirstObject: of_stdin
				   secondObject: of_stdout]];
	}

	for (OFPair *pair in _streams)
		[pair.firstObject asyncReadIntoBuffer: _buffer
					       length: BUFFER_LEN];
}

- (void)removeDeadStream: (OFStream *)stream
{
	size_t count = _streams.count;

	for (size_t i = 0; i < count; i++) {
		if ([[_streams objectAtIndex: i] firstObject] == stream) {
			[_streams removeObjectAtIndex: i];
			break;
		}
	}

	if (_streams.count < 2)
		[OFApplication terminateWithStatus: _errors];
}

-      (bool)stream: (OFStream *)stream
  didReadIntoBuffer: (void *)buffer
	     length: (size_t)length
	  exception: (id)exception
{
	if (exception != nil) {
		[of_stderr writeFormat: @"Exception on stream %@: %@\n",
					stream, exception];
		_errors++;
		[self removeDeadStream: stream];
		return false;
	}

	if (stream.atEndOfStream) {
		[self removeDeadStream: stream];
		return false;
	}

	for (OFPair *pair in _streams) {
		if (pair.firstObject == stream)
			continue;

		[pair.secondObject writeBuffer: buffer
					length: length];
	}

	return true;
}
@end