summaryrefslogtreecommitdiffstats
path: root/src/VBox/Runtime/nt/RTNtPathFindPossible8dot3Name.cpp
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 03:01:46 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 03:01:46 +0000
commitf8fe689a81f906d1b91bb3220acde2a4ecb14c5b (patch)
tree26484e9d7e2c67806c2d1760196ff01aaa858e8c /src/VBox/Runtime/nt/RTNtPathFindPossible8dot3Name.cpp
parentInitial commit. (diff)
downloadvirtualbox-f8fe689a81f906d1b91bb3220acde2a4ecb14c5b.tar.xz
virtualbox-f8fe689a81f906d1b91bb3220acde2a4ecb14c5b.zip
Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/Runtime/nt/RTNtPathFindPossible8dot3Name.cpp')
-rw-r--r--src/VBox/Runtime/nt/RTNtPathFindPossible8dot3Name.cpp72
1 files changed, 72 insertions, 0 deletions
diff --git a/src/VBox/Runtime/nt/RTNtPathFindPossible8dot3Name.cpp b/src/VBox/Runtime/nt/RTNtPathFindPossible8dot3Name.cpp
new file mode 100644
index 00000000..9f915c90
--- /dev/null
+++ b/src/VBox/Runtime/nt/RTNtPathFindPossible8dot3Name.cpp
@@ -0,0 +1,72 @@
+/* $Id: RTNtPathFindPossible8dot3Name.cpp $ */
+/** @file
+ * IPRT - Native NT, RTNtPathFindPossible8dot3Name.
+ */
+
+/*
+ * Copyright (C) 2006-2019 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 *
+*********************************************************************************************************************************/
+#define LOG_GROUP RTLOGGROUP_FS
+#ifdef IN_SUP_HARDENED_R3
+# include <iprt/nt/nt-and-windows.h>
+#else
+# include <iprt/nt/nt.h>
+#endif
+
+
+
+/**
+ * Checks whether the path could be containing alternative 8.3 names generated
+ * by NTFS, FAT, or other similar file systems.
+ *
+ * @returns Pointer to the first component that might be an 8.3 name, NULL if
+ * not 8.3 path.
+ * @param pwszPath The path to check.
+ *
+ * @remarks This is making bad ASSUMPTION wrt to the naming scheme of 8.3 names,
+ * however, non-tilde 8.3 aliases are probably rare enough to not be
+ * worth all the extra code necessary to open each path component and
+ * check if we've got the short name or not.
+ */
+RTDECL(PRTUTF16) RTNtPathFindPossible8dot3Name(PCRTUTF16 pwszPath)
+{
+ PCRTUTF16 pwszName = pwszPath;
+ for (;;)
+ {
+ RTUTF16 wc = *pwszPath++;
+ if (wc == '~')
+ {
+ /* Could check more here before jumping to conclusions... */
+ if (pwszPath - pwszName <= 8+1+3)
+ return (PRTUTF16)pwszName;
+ }
+ else if (wc == '\\' || wc == '/' || wc == ':')
+ pwszName = pwszPath;
+ else if (wc == 0)
+ break;
+ }
+ return NULL;
+}
+