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/*-
* Copyright (c) 2009 Michihiro NAKAJIMA
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
#if defined(_WIN32) && !defined(__CYGWIN__)
#include "filter_fork.h"
pid_t
__archive_create_child(const char *path, int *child_stdin, int *child_stdout)
{
HANDLE childStdout[2], childStdin[2],childStderr;
SECURITY_ATTRIBUTES secAtts;
STARTUPINFO staInfo;
PROCESS_INFORMATION childInfo;
char cmd[MAX_PATH];
secAtts.nLength = sizeof(SECURITY_ATTRIBUTES);
secAtts.bInheritHandle = TRUE;
secAtts.lpSecurityDescriptor = NULL;
if (CreatePipe(&childStdout[0], &childStdout[1], &secAtts, 0) == 0)
goto fail;
if (!SetHandleInformation(childStdout[0], HANDLE_FLAG_INHERIT, 0))
{
CloseHandle(childStdout[0]);
CloseHandle(childStdout[1]);
goto fail;
}
if (CreatePipe(&childStdin[0], &childStdin[1], &secAtts, 0) == 0) {
CloseHandle(childStdout[0]);
CloseHandle(childStdout[1]);
goto fail;
}
if (!SetHandleInformation(childStdin[1], HANDLE_FLAG_INHERIT, 0))
{
CloseHandle(childStdout[0]);
CloseHandle(childStdout[1]);
CloseHandle(childStdin[0]);
CloseHandle(childStdin[1]);
goto fail;
}
if (DuplicateHandle(GetCurrentProcess(), GetStdHandle(STD_ERROR_HANDLE),
GetCurrentProcess(), &childStderr, 0, TRUE,
DUPLICATE_SAME_ACCESS) == 0) {
CloseHandle(childStdout[0]);
CloseHandle(childStdout[1]);
CloseHandle(childStdin[0]);
CloseHandle(childStdin[1]);
goto fail;
}
memset(&staInfo, 0, sizeof(staInfo));
staInfo.cb = sizeof(staInfo);
staInfo.hStdError = childStderr;
staInfo.hStdOutput = childStdout[1];
staInfo.hStdInput = childStdin[0];
staInfo.wShowWindow = SW_HIDE;
staInfo.dwFlags = STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW;
strncpy(cmd, path, sizeof(cmd)-1);
cmd[sizeof(cmd)-1] = '\0';
if (CreateProcessA(NULL, cmd, NULL, NULL, TRUE, 0, NULL, NULL,
&staInfo, &childInfo) == 0) {
CloseHandle(childStdout[0]);
CloseHandle(childStdout[1]);
CloseHandle(childStdin[0]);
CloseHandle(childStdin[1]);
CloseHandle(childStderr);
goto fail;
}
WaitForInputIdle(childInfo.hProcess, INFINITE);
CloseHandle(childInfo.hProcess);
CloseHandle(childInfo.hThread);
*child_stdout = _open_osfhandle((intptr_t)childStdout[0], _O_RDONLY);
*child_stdin = _open_osfhandle((intptr_t)childStdin[1], _O_WRONLY);
CloseHandle(childStdout[1]);
CloseHandle(childStdin[0]);
return (childInfo.dwProcessId);
fail:
return (-1);
}
void
__archive_check_child(int in, int out)
{
(void)in; /* UNSED */
(void)out; /* UNSED */
Sleep(100);
}
#endif /* _WIN32 && !__CYGWIN__ */
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