Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 132 insertions, 0 deletions

diff --git a/src/VBox/Runtime/r3/posix/RTHandleGetStandard-posix.cpp b/src/VBox/Runtime/r3/posix/RTHandleGetStandard-posix.cpp
new file mode 100644
index 00000000..c66f2a96
--- /dev/null
+++ b/src/VBox/Runtime/r3/posix/RTHandleGetStandard-posix.cpp
@@ -0,0 +1,132 @@
+/* $Id: RTHandleGetStandard-posix.cpp $ */
+/** @file
+ * IPRT - RTHandleGetStandard, POSIX.
+ */
+
+/*
+ * Copyright (C) 2012-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#include <errno.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#ifdef _MSC_VER
+# include <io.h>
+#else
+# include <unistd.h>
+#endif
+
+#include "internal/iprt.h"
+#include <iprt/handle.h>
+
+#include <iprt/file.h>
+#include <iprt/pipe.h>
+#include <iprt/assert.h>
+#include <iprt/errcore.h>
+#include <iprt/log.h>
+
+#include "internal/socket.h"
+
+
+
+RTDECL(int) RTHandleGetStandard(RTHANDLESTD enmStdHandle, PRTHANDLE ph)
+{
+    /*
+     * Validate and convert input.
+     */
+    AssertPtrReturn(ph, VERR_INVALID_POINTER);
+    int fd;
+    switch (enmStdHandle)
+    {
+        case RTHANDLESTD_INPUT:  fd = 0; break;
+        case RTHANDLESTD_OUTPUT: fd = 1; break;
+        case RTHANDLESTD_ERROR:  fd = 2; break;
+        default:
+            AssertFailedReturn(VERR_INVALID_PARAMETER);
+    }
+
+    /*
+     * Is the requested descriptor valid and which IPRT handle type does it
+     * best map on to?
+     */
+    struct stat st;
+    int rc = fstat(fd, &st);
+    if (rc == -1)
+        return RTErrConvertFromErrno(errno);
+
+    rc = fcntl(fd, F_GETFD, 0);
+    if (rc == -1)
+        return RTErrConvertFromErrno(errno);
+    bool const fInherit = !(rc & FD_CLOEXEC);
+
+    RTHANDLE h;
+    if (S_ISREG(st.st_mode))
+        h.enmType = RTHANDLETYPE_FILE;
+    else if (   S_ISFIFO(st.st_mode)
+             || (st.st_mode == 0 && st.st_nlink == 0 /*see bugs on bsd manpage*/))
+        h.enmType = RTHANDLETYPE_PIPE;
+    else if (S_ISSOCK(st.st_mode))
+    {
+        /** @todo check if it's really a socket... IIRC some OSes reports
+         *        anonymouse pips as sockets. */
+        h.enmType = RTHANDLETYPE_SOCKET;
+    }
+#if 0 /** @todo re-enable this when the VFS pipe has been coded up. */
+    else if (isatty(fd))
+        h.enmType = RTHANDLETYPE_PIPE;
+#endif
+    else
+        h.enmType = RTHANDLETYPE_FILE;
+
+    /*
+     * Create the IPRT handle.
+     */
+    switch (h.enmType)
+    {
+        case RTHANDLETYPE_FILE:
+            rc = RTFileFromNative(&h.u.hFile, fd);
+            break;
+
+        case RTHANDLETYPE_PIPE:
+            rc = RTPipeFromNative(&h.u.hPipe, fd,
+                                    (enmStdHandle == RTHANDLESTD_INPUT ? RTPIPE_N_READ : RTPIPE_N_WRITE)
+                                  | (fInherit ? RTPIPE_N_INHERIT : 0));
+            break;
+
+        case RTHANDLETYPE_SOCKET:
+            rc = rtSocketCreateForNative(&h.u.hSocket, fd);
+            break;
+
+        default: /* shut up gcc */
+            return VERR_INTERNAL_ERROR;
+    }
+
+    if (RT_SUCCESS(rc))
+        *ph = h;
+
+    return rc;
+}
+