1 files changed, 86 insertions, 0 deletions
diff --git a/src/VBox/Runtime/r3/linux/RTSystemQueryDmiString-linux.cpp b/src/VBox/Runtime/r3/linux/RTSystemQueryDmiString-linux.cpp
new file mode 100644
index 00000000..3b81ceab
--- /dev/null
+++ b/src/VBox/Runtime/r3/linux/RTSystemQueryDmiString-linux.cpp
@@ -0,0 +1,86 @@
+/* $Id: RTSystemQueryDmiString-linux.cpp $ */
+/** @file
+ * IPRT - RTSystemQueryDmiString, linux ring-3.
+ */
+
+/*
+ * Copyright (C) 2010-2020 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 <iprt/system.h>
+#include "internal/iprt.h"
+
+#include <iprt/err.h>
+#include <iprt/assert.h>
+#include <iprt/linux/sysfs.h>
+
+#include <errno.h>
+
+
+RTDECL(int) RTSystemQueryDmiString(RTSYSDMISTR enmString, char *pszBuf, size_t cbBuf)
+{
+    AssertPtrReturn(pszBuf, VERR_INVALID_POINTER);
+    AssertReturn(cbBuf > 0, VERR_INVALID_PARAMETER);
+    *pszBuf = '\0';
+    AssertReturn(enmString > RTSYSDMISTR_INVALID && enmString < RTSYSDMISTR_END, VERR_INVALID_PARAMETER);
+
+    const char *pszSysFsName;
+    switch (enmString)
+    {
+        case RTSYSDMISTR_PRODUCT_NAME:      pszSysFsName = "id/product_name"; break;
+        case RTSYSDMISTR_PRODUCT_VERSION:   pszSysFsName = "id/product_version"; break;
+        case RTSYSDMISTR_PRODUCT_UUID:      pszSysFsName = "id/product_uuid"; break;
+        case RTSYSDMISTR_PRODUCT_SERIAL:    pszSysFsName = "id/product_serial"; break;
+        case RTSYSDMISTR_MANUFACTURER:      pszSysFsName = "id/sys_vendor"; break;
+        default:
+            return VERR_NOT_SUPPORTED;
+    }
+
+    size_t cbRead = 0;
+    int rc = RTLinuxSysFsReadStrFile(pszBuf, cbBuf, &cbRead, "devices/virtual/dmi/%s", pszSysFsName);
+    if (RT_FAILURE(rc) && rc != VERR_BUFFER_OVERFLOW)
+        rc = RTLinuxSysFsReadStrFile(pszBuf, cbBuf, &cbRead, "class/dmi/%s", pszSysFsName);
+    if (RT_FAILURE(rc) && rc != VERR_BUFFER_OVERFLOW)
+    {
+        switch (rc)
+        {
+            case VINF_SUCCESS:
+                AssertFailed();
+                break;
+            case VERR_FILE_NOT_FOUND:
+            case VERR_PATH_NOT_FOUND:
+            case VERR_IS_A_DIRECTORY:
+                rc = VERR_NOT_SUPPORTED;
+                break;
+            case VERR_PERMISSION_DENIED:
+            case VERR_ACCESS_DENIED:
+                rc = VERR_ACCESS_DENIED;
+                break;
+        }
+    }
+
+    return rc;
+}
+RT_EXPORT_SYMBOL(RTSystemQueryDmiString);
+