From f215e02bf85f68d3a6106c2a1f4f7f063f819064 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Thu, 11 Apr 2024 10:17:27 +0200
Subject: Adding upstream version 7.0.14-dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/VBox/Main/glue/GetVBoxUserHomeDirectory.cpp | 142 ++++++++++++++++++++++++
 1 file changed, 142 insertions(+)
 create mode 100644 src/VBox/Main/glue/GetVBoxUserHomeDirectory.cpp

(limited to 'src/VBox/Main/glue/GetVBoxUserHomeDirectory.cpp')

diff --git a/src/VBox/Main/glue/GetVBoxUserHomeDirectory.cpp b/src/VBox/Main/glue/GetVBoxUserHomeDirectory.cpp
new file mode 100644
index 00000000..cdfa6a01
--- /dev/null
+++ b/src/VBox/Main/glue/GetVBoxUserHomeDirectory.cpp
@@ -0,0 +1,142 @@
+/* $Id: GetVBoxUserHomeDirectory.cpp $ */
+/** @file
+ * MS COM / XPCOM Abstraction Layer - GetVBoxUserHomeDirectory.
+ */
+
+/*
+ * Copyright (C) 2005-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#define LOG_GROUP LOG_GROUP_MAIN
+#include <VBox/com/utils.h>
+
+#include <iprt/env.h>
+#include <iprt/dir.h>
+#include <iprt/param.h>
+#include <iprt/path.h>
+#include <iprt/string.h>
+
+#include <VBox/err.h>
+#include <VBox/log.h>
+
+
+
+/*********************************************************************************************************************************
+*   Global Variables                                                                                                             *
+*********************************************************************************************************************************/
+#if !defined(RT_OS_DARWIN) && !defined(RT_OS_WINDOWS)
+char g_szXdgConfigHome[RTPATH_MAX] = "";
+#endif
+
+/**
+ * Possible locations for the VirtualBox user configuration folder,
+ * listed from oldest (as in legacy) to newest.  These can be either
+ * absolute or relative to the home directory.  We use the first entry
+ * of the list which corresponds to a real folder on storage, or
+ * create a folder corresponding to the last in the list (the least
+ * legacy) if none do.
+ */
+const char * const g_apcszUserHome[] =
+{
+#ifdef RT_OS_DARWIN
+    "Library/VirtualBox",
+#elif defined RT_OS_WINDOWS
+    ".VirtualBox",
+#else
+    ".VirtualBox", g_szXdgConfigHome,
+#endif
+};
+
+
+namespace com
+{
+
+static int composeHomePath(char *aDir, size_t aDirLen, const char *pcszBase)
+{
+    int vrc;
+    if (RTPathStartsWithRoot(pcszBase))
+        vrc = RTStrCopy(aDir, aDirLen, pcszBase);
+    else
+    {
+        /* compose the config directory (full path) */
+        /** @todo r=bird: RTPathUserHome doesn't necessarily return a
+         * full (abs) path like the comment above seems to indicate. */
+        vrc = RTPathUserHome(aDir, aDirLen);
+        if (RT_SUCCESS(vrc))
+            vrc = RTPathAppend(aDir, aDirLen, pcszBase);
+    }
+    return vrc;
+}
+
+int GetVBoxUserHomeDirectory(char *aDir, size_t aDirLen, bool fCreateDir)
+{
+    AssertReturn(aDir, VERR_INVALID_POINTER);
+    AssertReturn(aDirLen > 0, VERR_BUFFER_OVERFLOW);
+
+    /* start with null */
+    *aDir = 0;
+
+    char szTmp[RTPATH_MAX];
+    int vrc = RTEnvGetEx(RTENV_DEFAULT, "VBOX_USER_HOME", szTmp, sizeof(szTmp), NULL);
+    if (RT_SUCCESS(vrc) || vrc == VERR_ENV_VAR_NOT_FOUND)
+    {
+        bool fFound = false;
+        if (RT_SUCCESS(vrc))
+        {
+            /* get the full path name */
+            vrc = RTPathAbs(szTmp, aDir, aDirLen);
+        }
+        else
+        {
+#if !defined(RT_OS_WINDOWS) && !defined(RT_OS_DARWIN)
+            vrc = RTEnvGetEx(RTENV_DEFAULT, "XDG_CONFIG_HOME", g_szXdgConfigHome, sizeof(g_szXdgConfigHome), NULL);
+            if (RT_SUCCESS(vrc))
+                vrc = RTPathAppend(g_szXdgConfigHome, sizeof(g_szXdgConfigHome), "VirtualBox");
+            AssertMsg(vrc == VINF_SUCCESS || vrc == VERR_ENV_VAR_NOT_FOUND, ("%Rrc\n", vrc));
+            if (RT_FAILURE_NP(vrc))
+                vrc = RTStrCopy(g_szXdgConfigHome, sizeof(g_szXdgConfigHome), ".config/VirtualBox");
+#endif
+            for (unsigned i = 0; i < RT_ELEMENTS(g_apcszUserHome); ++i)
+            {
+                vrc = composeHomePath(aDir, aDirLen, g_apcszUserHome[i]);
+                if (   RT_SUCCESS(vrc)
+                    && RTDirExists(aDir))
+                {
+                    fFound = true;
+                    break;
+                }
+            }
+        }
+
+        /* ensure the home directory exists */
+        if (RT_SUCCESS(vrc))
+            if (!fFound && fCreateDir)
+                vrc = RTDirCreateFullPath(aDir, 0700);
+    }
+
+    return vrc;
+}
+
+} /* namespace com */
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