Public/winfsp
1
0
Fork 0
mirror of https://github.com/winfsp/winfsp.git synced 2025-07-03 17:32:57 -05:00
Code Issues Packages Projects Releases Wiki Activity

sys: FspUnload, FspSxsIdent

Browse Source
This commit is contained in:
Bill Zissimopoulos
2022-08-05 17:41:12 +01:00
parent 62a6bbab66
commit 005d3e4fb0
6 changed files with 177 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

71
src/sys/sxs.c Normal file
View File

@ -0,0 +1,71 @@
/**
* @file sys/sxs.c
*
* @copyright 2015-2022 Bill Zissimopoulos
*/
/*
* This file is part of WinFsp.
*
* You can redistribute it and/or modify it under the terms of the GNU
* General Public License version 3 as published by the Free Software
* Foundation.
*
* Licensees holding a valid commercial license may use this software
* in accordance with the commercial license agreement provided in
* conjunction with the software. The terms and conditions of any such
* commercial license agreement shall govern, supersede, and render
* ineffective any application of the GPLv3 license to this software,
* notwithstanding of any reference thereto in the software or
* associated repository.
*/
#include <sys/driver.h>
VOID FspSxsIdentInitialize(PUNICODE_STRING DriverName);
PUNICODE_STRING FspSxsIdent(VOID);
PUNICODE_STRING FspSxsSuffix(VOID);
#ifdef ALLOC_PRAGMA
#pragma alloc_text(INIT, FspSxsIdentInitialize)
#endif
static WCHAR FspSxsIdentBuf[32 + 1] = L"";
static UNICODE_STRING FspSxsIdentStr = { 0, sizeof FspSxsIdentBuf - 1, FspSxsIdentBuf + 1 };
static UNICODE_STRING FspSxsSuffixStr = { 0, sizeof FspSxsIdentBuf, FspSxsIdentBuf };
VOID FspSxsIdentInitialize(PUNICODE_STRING DriverName)
{
PWCHAR Ident = 0;
USHORT Length;
for (PWCHAR P = DriverName->Buffer + DriverName->Length / sizeof(WCHAR) - 1; DriverName->Buffer <= P; P--)
{
if (L'\\' == *P)
break;
if (L'+' == *P)
{
Ident = P;
break;
}
}
if (0 == Ident)
return;
Length = (USHORT)(((PUINT8)DriverName->Buffer + DriverName->Length) - (PUINT8)Ident);
if (Length > sizeof FspSxsIdentBuf)
Length = sizeof FspSxsIdentBuf;
RtlCopyMemory(FspSxsIdentBuf, Ident, Length);
FspSxsIdentStr.Length = Length - sizeof(WCHAR);
FspSxsSuffixStr.Length = Length;
}
PUNICODE_STRING FspSxsIdent(VOID)
{
return &FspSxsIdentStr;
}
PUNICODE_STRING FspSxsSuffix(VOID)
{
return &FspSxsSuffixStr;
}