ObjFW  Check-in [79548b3c29]

		#if (!defined(TARGET_OS_IPHONE) || !TARGET_OS_IPHONE) && \
		    (!defined(TARGET_OS_SIMULATOR) || !TARGET_OS_SIMULATOR)
		egrep_cpp_yes
		#endif
	], [
		AC_MSG_RESULT(yes)
		have_subprocesses="yes"
	], [
		AC_MSG_RESULT(no)
		have_subprocesses="no"
	])
	;;
mingw*)
	have_subprocesses="yes"
	;;
msdosdjgpp*)
	have_subprocesses="no"
	;;
*)
	AC_HEADER_SYS_WAIT
	AC_CHECK_FUNCS(kill)

	AC_CHECK_FUNCS(posix_spawnp, [
		AS_IF([test x"$ac_cv_func_kill" = x"yes"], [
			have_subprocesses="yes"

			AC_CHECK_HEADERS(spawn.h)
		])
	], [
		AC_CHECK_FUNCS([vfork dup2 execvp _exit], [
			AS_IF([test x"$ac_cv_func_vfork" = x"yes" \
			    -a x"$ac_cv_func_pipe" = x"yes" \
			    -a x"$ac_cv_func_dup2" = x"yes" \
			    -a x"$ac_cv_func_execvp" = x"yes" \
			    -a x"$ac_cv_func_kill" = x"yes" \
			    -a x"$ac_cv_func__exit" = x"yes"], [
				have_subprocesses="yes"
			])
		], [
			break
		])
	])
	;;
esac
AS_IF([test x"$have_subprocesses" = x"yes"], [
	AC_SUBST(OF_SUBPROCESS_M, "OFSubprocess.m")
	AC_DEFINE(OF_HAVE_SUBPROCESSES, 1, [Whether we have subprocesses])
])

AC_CHECK_HEADERS_ONCE([complex.h sys/ioctl.h sys/ttycom.h])
AC_CHECK_FUNCS(isatty)

AC_CHECK_FUNC(pledge, [
	AC_DEFINE(OF_HAVE_PLEDGE, 1, [Whether we have pledge()])

LIBBASES_M = @LIBBASES_M@
LIBOBJFWRT_DEP = @LIBOBJFWRT_DEP@
LIBOBJFWRT_DEP_LVL2 = @LIBOBJFWRT_DEP_LVL2@
LIBOBJFW_DEP = @LIBOBJFW_DEP@
LIBOBJFW_DEP_LVL2 = @LIBOBJFW_DEP_LVL2@
LINKLIB = @LINKLIB@
LOOKUP_ASM_A = @LOOKUP_ASM_A@

LOOKUP_ASM_AMIGALIB_A = @LOOKUP_ASM_AMIGALIB_A@
LOOKUP_ASM_LIB_A = @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_SCTP_SOCKET_M = @OF_SCTP_SOCKET_M@
OF_SELECT_KERNEL_EVENT_OBSERVER_M = @OF_SELECT_KERNEL_EVENT_OBSERVER_M@
OF_SUBPROCESS_M = @OF_SUBPROCESS_M@
REEXPORT_RUNTIME = @REEXPORT_RUNTIME@
REEXPORT_RUNTIME_FRAMEWORK = @REEXPORT_RUNTIME_FRAMEWORK@
RUNTIME = @RUNTIME@
RUNTIME_ARC_TESTS_M = @RUNTIME_ARC_TESTS_M@
RUNTIME_AUTORELEASE_M = @RUNTIME_AUTORELEASE_M@
RUNTIME_FRAMEWORK_LIBS = @RUNTIME_FRAMEWORK_LIBS@
RUNTIME_INSTANCE_M = @RUNTIME_INSTANCE_M@

       OFNull.m				\
       OFNumber.m			\
       OFObject.m			\
       OFObject+KeyValueCoding.m	\
       OFObject+Serialization.m		\
       OFOptionsParser.m		\
       OFPair.m				\

       OFRIPEMD160Hash.m		\
       OFRunLoop.m			\
       OFSandbox.m			\
       OFSecureData.m			\
       OFSeekableStream.m		\
       OFSet.m				\
       OFSHA1Hash.m			\

       OFString+CryptoHashing.m		\
       OFString+JSONParsing.m		\
       OFString+PropertyListParsing.m	\
       OFString+Serialization.m		\
       OFString+URLEncoding.m		\
       OFString+XMLEscaping.m		\
       OFString+XMLUnescaping.m		\
       ${OF_SUBUPROCESS_M}		\
       OFSystemInfo.m			\
       OFTarArchive.m			\
       OFTarArchiveEntry.m		\
       OFThread.m			\
       OFTimer.m			\
       OFTriple.m			\
       OFURL.m				\

OF_ASSUME_NONNULL_BEGIN

@class OFArray OF_GENERIC(ObjectType);
@class OFDictionary OF_GENERIC(KeyType, ObjectType);

/**
 * @class OFSubprocess OFSubprocess.h ObjFW/OFSubprocess.h
 *
 * @brief A class for stream-like communication with a newly created subprocess.
 */
OF_SUBCLASSING_RESTRICTED
@interface OFSubprocess: OFStream
#ifndef OF_WINDOWS
    <OFReadyForReadingObserving, OFReadyForWritingObserving>
#endif
{
#ifndef OF_WINDOWS
	pid_t _pid;
	int _readPipe[2], _writePipe[2];
#else
	HANDLE _handle, _readPipe[2], _writePipe[2];
#endif
	int _status;
	bool _atEndOfStream;
}

/**
 * @brief Creates a new OFSubprocess with the specified program and invokes the
 *	  program.
 *
 * @param program The program to execute. If it does not start with a slash, the
 *		  search path specified in PATH is used.
 * @return A new, autoreleased OFSubprocess.
 */
+ (instancetype)subprocessWithProgram: (OFString *)program;

/**
 * @brief Creates a new OFSubprocess with the specified program and arguments
 *	  and invokes the program.
 *
 * @param program The program to execute. If it does not start with a slash, the
 *		  search path specified in PATH is used.
 * @param arguments The arguments to pass to the program, or `nil`
 * @return A new, autoreleased OFSubprocess.
 */
+ (instancetype)
    subProcessWithProgram: (OFString *)program
		arguments: (nullable OFArray OF_GENERIC(OFString *) *)arguments;

/**
 * @brief Creates a new OFSubprocess with the specified program, program name
 *	  and arguments and invokes the program.
 *
 * @param program The program to execute. If it does not start with a slash, the
 *		  search path specified in PATH is used.
 * @param programName The program name for the program to invoke (argv[0]).
 *		      Usually, this is equal to program.
 * @param arguments The arguments to pass to the program, or `nil`
 * @return A new, autoreleased OFSubprocess.
 */
+ (instancetype)
    subprocessWithProgram: (OFString *)program
	      programName: (OFString *)programName
		arguments: (nullable OFArray OF_GENERIC(OFString *) *)arguments;

/**
 * @brief Creates a new OFSubprocess with the specified program, program name,
 *	  arguments and environment and invokes the program.
 *
 * @param program The program to execute. If it does not start with a slash, the
 *		  search path specified in PATH is used.
 * @param programName The program name for the program to invoke (argv[0]).
 *		      Usually, this is equal to program.
 * @param arguments The arguments to pass to the program, or `nil`
 * @param environment The environment to pass to the program, or `nil`. If it
 *		      is not `nil`, the passed dictionary will be used to
 *		      override the environment. If you want to add to the
 *		      existing environment, you need to get the existing
 *		      environment first, copy it, modify it and then pass it.
 * @return A new, autoreleased OFSubprocess.
 */
+ (instancetype)
    subprocessWithProgram: (OFString *)program
	      programName: (OFString *)programName
		arguments: (nullable OFArray OF_GENERIC(OFString *) *)arguments
	      environment: (nullable OFDictionary
			       OF_GENERIC(OFString *, OFString *) *)environment;

- (instancetype)init OF_UNAVAILABLE;

/**
 * @brief Initializes an already allocated OFSubprocess with the specified
 *	  program and invokes the program.
 *
 * @param program The program to execute. If it does not start with a slash, the
 *		  search path specified in PATH is used.
 * @return An initialized OFSubprocess.
 */
- (instancetype)initWithProgram: (OFString *)program;

/**
 * @brief Initializes an already allocated OFSubprocess with the specified
 *	  program and arguments and invokes the program.
 *
 * @param program The program to execute. If it does not start with a slash, the
 *		  search path specified in PATH is used.
 * @param arguments The arguments to pass to the program, or `nil`
 * @return An initialized OFSubprocess.
 */
- (instancetype)
    initWithProgram: (OFString *)program
	  arguments: (nullable OFArray OF_GENERIC(OFString *) *)arguments;

/**
 * @brief Initializes an already allocated OFSubprocess with the specified
 *	  program, program name and arguments and invokes the program.
 *
 * @param program The program to execute. If it does not start with a slash, the
 *		  search path specified in PATH is used.
 * @param programName The program name for the program to invoke (argv[0]).
 *		      Usually, this is equal to program.
 * @param arguments The arguments to pass to the program, or `nil`
 * @return An initialized OFSubprocess.
 */
- (instancetype)
    initWithProgram: (OFString *)program
	programName: (OFString *)programName
	  arguments: (nullable OFArray OF_GENERIC(OFString *) *)arguments;

/**
 * @brief Initializes an already allocated OFSubprocess with the specified
 *	  program, program name, arguments and environment and invokes the
 *	  program.
 *
 * @param program The program to execute. If it does not start with a slash, the
 *		  search path specified in PATH is used.
 * @param programName The program name for the program to invoke (argv[0]).
 *		      Usually, this is equal to program.
 * @param arguments The arguments to pass to the program, or `nil`
 * @param environment The environment to pass to the program, or `nil`. If it
 *		      is not `nil`, the passed dictionary will be used to
 *		      override the environment. If you want to add to the
 *		      existing environment, you need to get the existing
 *		      environment first, copy it, modify it and then pass it.
 * @return An initialized OFSubprocess.
 */
- (instancetype)
    initWithProgram: (OFString *)program
	programName: (OFString *)programName
	  arguments: (nullable OFArray OF_GENERIC(OFString *) *)arguments
	environment: (nullable OFDictionary
			 OF_GENERIC(OFString *, OFString *) *)environment
    OF_DESIGNATED_INITIALIZER;

/**
 * @brief Closes the write direction of the subprocess.
 *
 * This method needs to be called for some programs before data can be read,
 * since some programs don't start processing before the write direction is
 * closed.
 */
- (void)closeForWriting;

/**
 * @brief Waits for the subprocess to terminate and returns the exit status.
 *
 * If the subprocess has already exited, this returns the exit status
 * immediately.
 */
- (int)waitForTermination;
@end

OF_ASSUME_NONNULL_END

 */

#include "config.h"

#include "platform.h"

#ifdef OF_WINDOWS
# include "platform/windows/OFSubprocess.m"
#else
# include "platform/posix/OFSubprocess.m"
#endif

# import "OFHTTPCookie.h"
# import "OFHTTPCookieManager.h"
# import "OFHTTPRequest.h"
# import "OFHTTPResponse.h"
# import "OFHTTPServer.h"
#endif

#ifdef OF_HAVE_SUBPROCESSES
# import "OFSubprocess.h"
#endif

#import "OFCryptoHash.h"
#import "OFMD5Hash.h"
#import "OFRIPEMD160Hash.h"
#import "OFSHA1Hash.h"
#import "OFSHA224Hash.h"

#endif

#include "unistd_wrapper.h"
#ifdef HAVE_SPAWN_H
# include <spawn.h>
#endif

#import "OFSubprocess.h"
#import "OFString.h"
#import "OFArray.h"
#import "OFDictionary.h"
#import "OFLocale.h"

#import "OFInitializationFailedException.h"
#import "OFNotOpenException.h"
#import "OFOutOfRangeException.h"
#import "OFReadFailedException.h"
#import "OFWriteFailedException.h"

#ifndef HAVE_POSIX_SPAWNP
extern char **environ;
#endif

@interface OFSubprocess ()
- (void)of_getArgv: (char ***)argv
    forProgramName: (OFString *)programName
      andArguments: (OFArray *)arguments;
- (char **)of_environmentForDictionary: (OFDictionary *)dictionary;
@end

@implementation OFSubprocess
+ (instancetype)subprocessWithProgram: (OFString *)program
{
	return [[[self alloc] initWithProgram: program] autorelease];
}

+ (instancetype)subprocessWithProgram: (OFString *)program
			    arguments: (OFArray *)arguments
{
	return [[[self alloc] initWithProgram: program
				    arguments: arguments] autorelease];
}

+ (instancetype)subprocessWithProgram: (OFString *)program
			  programName: (OFString *)programName
			    arguments: (OFArray *)arguments
{
	return [[[self alloc] initWithProgram: program
				  programName: programName
				    arguments: arguments] autorelease];
}

+ (instancetype)subprocessWithProgram: (OFString *)program
			  programName: (OFString *)programName
			    arguments: (OFArray *)arguments
			  environment: (OFDictionary *)environment
{
	return [[[self alloc] initWithProgram: program
				  programName: programName
				    arguments: arguments
				  environment: environment] autorelease];
}

 */

#include "config.h"

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

#import "OFSubprocess.h"
#import "OFArray.h"
#import "OFData.h"
#import "OFDictionary.h"
#import "OFLocale.h"
#import "OFString.h"
#import "OFSystemInfo.h"

#import "OFInitializationFailedException.h"
#import "OFNotOpenException.h"
#import "OFOutOfRangeException.h"
#import "OFReadFailedException.h"
#import "OFWriteFailedException.h"

#include <windows.h>

@interface OFSubprocess ()
- (of_char16_t *)of_wideEnvironmentForDictionary: (OFDictionary *)dictionary;
- (char *)of_environmentForDictionary: (OFDictionary *)environment;
@end

@implementation OFSubprocess
+ (instancetype)subprocessWithProgram: (OFString *)program
{
	return [[[self alloc] initWithProgram: program] autorelease];
}

+ (instancetype)subprocessWithProgram: (OFString *)program
			    arguments: (OFArray *)arguments
{
	return [[[self alloc] initWithProgram: program
				    arguments: arguments] autorelease];
}

+ (instancetype)subprocessWithProgram: (OFString *)program
			  programName: (OFString *)programName
			    arguments: (OFArray *)arguments
{
	return [[[self alloc] initWithProgram: program
				  programName: programName
				    arguments: arguments] autorelease];
}

+ (instancetype)subprocessWithProgram: (OFString *)program
			  programName: (OFString *)programName
			    arguments: (OFArray *)arguments
			  environment: (OFDictionary *)environment
{
	return [[[self alloc] initWithProgram: program
				  programName: programName
				    arguments: arguments
				  environment: environment] autorelease];
}

	@try {
		SECURITY_ATTRIBUTES sa;
		PROCESS_INFORMATION pi;
		void *pool;
		OFMutableString *argumentsString;

		_handle = INVALID_HANDLE_VALUE;
		_readPipe[0] = _writePipe[1] = NULL;

		sa.nLength = sizeof(sa);
		sa.bInheritHandle = TRUE;
		sa.lpSecurityDescriptor = NULL;

		if (!CreatePipe(&_readPipe[0], &_readPipe[1], &sa, 0))

			    NULL, &si, &pi))
				@throw [OFInitializationFailedException
				    exceptionWithClass: self.class];
		}

		objc_autoreleasePoolPop(pool);

		_handle = pi.hProcess;
		CloseHandle(pi.hThread);

		CloseHandle(_readPipe[1]);
		CloseHandle(_writePipe[0]);
	} @catch (id e) {
		[self release];
		@throw e;

{
	if (_readPipe[0] == NULL)
		@throw [OFNotOpenException exceptionWithObject: self];

	[self closeForWriting];
	CloseHandle(_readPipe[0]);

	if (_handle != INVALID_HANDLE_VALUE) {
		TerminateProcess(_handle, 0);
		CloseHandle(_handle);
	}

	_handle = INVALID_HANDLE_VALUE;
	_readPipe[0] = NULL;

	[super close];
}

- (int)waitForTermination
{
	if (_readPipe[0] == NULL)
		@throw [OFNotOpenException exceptionWithObject: self];

	if (_handle != INVALID_HANDLE_VALUE) {
		DWORD exitCode;

		WaitForSingleObject(_handle, INFINITE);

		if (GetExitCodeProcess(_handle, &exitCode))
			_status = exitCode;
		else
			_status = GetLastError();

		CloseHandle(_handle);
		_handle = INVALID_HANDLE_VALUE;
	}

	return _status;
}
@end