ObjFW  Diff

#include "config.h"

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

#import "OFProcess.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 OFProcess ()
- (of_char16_t *)of_wideEnvironmentForDictionary: (OFDictionary *)dictionary;
- (char *)of_environmentForDictionary: (OFDictionary *)environment;
@end

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

		    environment: (OFDictionary *)environment
{
	self = [super init];

	@try {
		SECURITY_ATTRIBUTES sa;
		PROCESS_INFORMATION pi;

		void *pool;
		OFMutableString *argumentsString;



		_process = 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))
			@throw [OFInitializationFailedException
			    exceptionWithClass: self.class];

		if (!SetHandleInformation(_readPipe[0], HANDLE_FLAG_INHERIT, 0))
			if (GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
				@throw [OFInitializationFailedException
				    exceptionWithClass: self.class];

		if (!CreatePipe(&_writePipe[0], &_writePipe[1], &sa, 0))
			@throw [OFInitializationFailedException
			    exceptionWithClass: self.class];

		if (!SetHandleInformation(_writePipe[1],
		    HANDLE_FLAG_INHERIT, 0))
			if (GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
				@throw [OFInitializationFailedException
				    exceptionWithClass: self.class];

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








		pool = objc_autoreleasePoolPush();

		argumentsString =
		    [OFMutableString stringWithString: programName];
		[argumentsString replaceOccurrencesOfString: @"\\\""
						 withString: @"\\\\\""];

			[argumentsString appendString: tmp];

			if (containsSpaces)
				[argumentsString appendString: @"\""];
		}

		if ([OFSystemInfo isWindowsNT]) {
			size_t length;
			of_char16_t *argumentsCopy;
			STARTUPINFOW si;

			memset(&si, 0, sizeof(si));
			si.cb = sizeof(si);
			si.hStdInput = _writePipe[0];
			si.hStdOutput = _readPipe[1];
			si.hStdError = GetStdHandle(STD_ERROR_HANDLE);
			si.dwFlags |= STARTF_USESTDHANDLES;

			length = argumentsString.UTF16StringLength;
			argumentsCopy = [self
			    allocMemoryWithSize: sizeof(of_char16_t)
					  count: length + 1];
			memcpy(argumentsCopy, argumentsString.UTF16String,
			    (length + 1) * 2);
			@try {
				if (!CreateProcessW(program.UTF16String,
				    argumentsCopy, NULL, NULL, TRUE,
				    CREATE_UNICODE_ENVIRONMENT,
				    [self of_wideEnvironmentForDictionary:
				    environment], NULL, &si, &pi))
					@throw [OFInitializationFailedException
					    exceptionWithClass: self.class];
			} @finally {
				[self freeMemory: argumentsCopy];
			}
		} else {
			of_string_encoding_t encoding = [OFLocale encoding];
			STARTUPINFO si;

			memset(&si, 0, sizeof(si));
			si.cb = sizeof(si);
			si.hStdInput = _writePipe[0];
			si.hStdOutput = _readPipe[1];
			si.hStdError = GetStdHandle(STD_ERROR_HANDLE);
			si.dwFlags |= STARTF_USESTDHANDLES;

			if (!CreateProcessA([program cStringWithEncoding:
			    encoding], (char *)[argumentsString
			    cStringWithEncoding: encoding], NULL, NULL, TRUE, 0,
			    [self of_environmentForDictionary: environment],
			    NULL, &si, &pi))
				@throw [OFInitializationFailedException
				    exceptionWithClass: self.class];
		}

		objc_autoreleasePoolPop(pool);

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

{
	if (_readPipe[0] != NULL)
		[self close];

	[super dealloc];
}

- (of_char16_t *)of_wideEnvironmentForDictionary: (OFDictionary *)environment
{
	OFMutableData *env;
	OFEnumerator *keyEnumerator, *objectEnumerator;
	OFString *key, *object;
	const of_char16_t equal = '=';
	const of_char16_t zero[2] = { 0, 0 };

		[env addItems: object.UTF16String
			count: object.UTF16StringLength];
		[env addItems: &zero
			count: 1];
	}
	[env addItems: zero
		count: 2];

	return env.mutableItems;
}

- (char *)of_environmentForDictionary: (OFDictionary *)environment
{
	of_string_encoding_t encoding = [OFLocale encoding];
	OFMutableData *env;
	OFEnumerator *keyEnumerator, *objectEnumerator;
	OFString *key, *object;

	if (environment == nil)
		return NULL;

	env = [OFMutableData data];

	keyEnumerator = [environment keyEnumerator];
	objectEnumerator = [environment objectEnumerator];
	while ((key = [keyEnumerator nextObject]) != nil &&
	    (object = [objectEnumerator nextObject]) != nil) {
		[env addItems: [key cStringWithEncoding: encoding]
			count: [key cStringLengthWithEncoding: encoding]];
		[env addItems: "="
			count: 1];
		[env addItems: [object cStringWithEncoding: encoding]
			count: [object cStringLengthWithEncoding: encoding]];
		[env addItems: ""
			count: 1];
	}
	[env addItems: "\0"
		count: 2];

	return env.mutableItems;
}

- (bool)lowlevelIsAtEndOfStream
{
	if (_readPipe[0] == NULL)