update changelog

- CcFlushCache now happens during initial Cleanup call
- avoids recursive call into file system during Cleanup completion

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,12 @@
+(Enter your issue here.)
+
+----
+
+Before submitting this issue please review this checklist. Ideally all checkmarks should be checked upon submitting. (Use an x inside square brackets like so: [x])
+
+- [ ] **Issue type**: Please consider posting only bug reports or enhancement requests. Questions are better in the [WinFsp Google Group](https://groups.google.com/forum/#!forum/winfsp). Please also consult the [WinFsp Frequently Asked Questions](https://github.com/billziss-gh/winfsp/wiki/Frequently-Asked-Questions).
+- [ ] **No Duplicate**: Ensure that your issue has not been filed before. (Check open and closed issues.)
+- [ ] **Description**: Provide a descriptive title and a detailed explanation of the problem you are experiencing (for a bug report) or you are trying to solve (for an enhancement request).
+- [ ] **Reproduce**: For bug reports provide detailed information on how to reproduce the problem. For enhancement requests you do not need to provide this information, unless you find it relevant.
+- [ ] **Behaviors**: Provide information on the expected and actual behaviors.
+- [ ] **Environment**: For bug reports provide information about your OS version and build (e.g. 10.0.14393) and WinFsp version and build (e.g. 2017.2 or 1.2.17341). For enhancement requests you do not need to provide this information, unless you find it relevant.

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,12 @@
+(Enter your PR description here.)
+
+----
+
+Before submitting this PR please review this checklist. Ideally all checkmarks should be checked upon submitting. (Use an x inside square brackets like so: [x])
+
+- [ ] **Contributing**: You MUST read and be willing to accept the [CONTRIBUTOR AGREEMENT](https://github.com/billziss-gh/winfsp/blob/master/Contributors.asciidoc). The agreement gives joint copyright interests in your contributions to you and the original WinFsp author. If you have already accepted the [CONTRIBUTOR AGREEMENT](https://github.com/billziss-gh/winfsp/blob/master/Contributors.asciidoc) you do not need to do so again.
+- [ ] **Topic branch**: Avoid creating the PR off the master branch of your fork. Consider creating a topic branch and request a pull from that. This allows you to add commits to the master branch of your fork without affecting this PR.
+- [ ] **No tabs**: Consistently use SPACES everywhere. NO TABS, unless the file format requires it (e.g. Makefile).
+- [ ] **Style**: Follow the same code style as the rest of the project.
+- [ ] **Tests**: Include tests to the extent that it is possible, especially if you add a new feature.
+- [ ] **Quality**: Your design and code should be of high quality and something that you are proud of.

Changelog.asciidoc

@@ -1,11 +1,161 @@
 = Changelog
 
 
+v1.3B3 (2018.1 B3)::
+
+Changes since v1.2POST1:
+
+* Multiple Launcher changes:
+** New `FspLaunch` API. File systems can be started, stopped, queried and listed using `FspLaunchStart`, `FspLaunchStop`, `FspLaunchGetInfo` and `FspLaunchGetNameList`. The API is available in <winfsp/launch.h>
+** New Launcher registry settings `RunAs` and `WorkDirectory`. `RunAs` allows the laucher to launch a file system process under the service accounts LocalService and NetworkService. `WorkDirectory` can be used to specify the work directory for a newly launched file system process.
+* `FSP_FSCTL_VOLUME_PARAMS::FlushAndPurgeOnCleanup` limits the time that Windows keeps files open after an application has closed them. This purges the cache on the last `CloseHandle`, which is a performance drawback.
+** This is now the default behavior on FUSE. To revert to the previous behavior of keeping files open indefinitely use `-o KeepFileCache`.
+* `FSP_FSCTL_VOLUME_PARAMS` has been extended with fine-grained timeouts: `VolumeInfoTimeout`, `DirInfoTimeout`, `SecurityTimeout`, `StreamInfoTimeout`. Set `FSP_FSCTL_VOLUME_PARAMS::Version == sizeof(FSP_FSCTL_VOLUME_PARAMS)` to access the new fields.
+** New FUSE optons `VolumeInfoTimeout`, `DirInfoTimeout` complement the existing `FileInfoTimeout`.
+* The FSD (File System Driver) and its interaction with the Windows MUP (Multiple UNC Provider) has been changed. In practice this eliminates the delays experienced when right-clicking on a WinFsp-backed network drive in the Windows Explorer. (GitHub issue #87.)
+* The WinFsp network provider is now added first in the provider order list. Previously it was added last. (GitHub PR #131; thanks @felfert.)
+* The WinFsp installer now uses the Wix `Provides` dependency extension to provide a `WinFsp` dependency key. (GitHub PR #129; thanks @felfert.)
+* New FUSE `create_umask` option. (GitHub issue #138.)
+* Fix C++ compilation error for WinFsp-FUSE. (GitHub PR #154; thanks @benrubson.)
+* *NOTE*: Prior v1.3 betas run the MEMFS sample file systems under the LocalService account. This is no longer the case: going forward the MEMFS file systems will be running under the LocalSystem account (as in v1.2POST1).
+
+
+v1.3B2 (2018.1 B2)::
+
+Changes since v1.2POST1:
+
+* Multiple Launcher changes:
+** New `FspLaunch` API. File systems can be started, stopped, queried and listed using `FspLaunchStart`, `FspLaunchStop`, `FspLaunchGetInfo` and `FspLaunchGetNameList`.
+** New Launcher registry settings `RunAs` and `WorkDirectory`. `RunAs` allows the laucher to launch a file system process under the service accounts LocalService and NetworkService. `WorkDirectory` can be used to specify the work directory for a newly launched file system process.
+* The MEMFS sample file systems are now launched under the LocalService account.
+* The FSD (File System Driver) and its interaction with the Windows MUP (Multiple UNC Provider) has been changed. In practice this eliminates the delays experienced when right-clicking on a WinFsp-backed network drive in the Windows Explorer. (GitHub issue #87.)
+* The WinFsp network provider is now added first in the provider order list. Previously it was added last. (GitHub PR #131; thanks @felfert.)
+* The WinFsp installer now uses the Wix `Provides` dependency extension to provide a `WinFsp` dependency key. (GitHub PR #129; thanks @felfert.)
+
+
+v1.3B1 (2018.1 B1)::
+
+Changes since v1.2POST1:
+
+- The WinFsp Launcher can now be controlled by the new `FspLaunch` API. File systems can be started, stopped, queried and listed using `FspLaunchStart`, `FspLaunchStop`, `FspLaunchGetInfo` and `FspLaunchGetNameList`.
+- The WinFsp launcher now supports new registry settings `RunAs` and `WorkDirectory`. `RunAs` allows the laucher to launch a file system process under the service accounts LocalService and NetworkService. `WorkDirectory` can be used to specify the work directory for a newly launched file system process.
+- The MEMFS sample file systems are now launched under the LocalService account.
+- The WinFsp network provider is now added first in the provider order list. Previously it was added last. (GitHub PR #131; thanks @felfert.)
+- The WinFsp installer now uses the Wix `Provides` dependency extension to provide a `WinFsp` dependency key. (GitHub PR #129; thanks @felfert.)
+
+
+v1.2POST1 (2017.2; issue #127)::
+
+Changes since v1.1:
+
+- WinFsp-FUSE now supports BSD flags (Windows file attributes) during `getattr` and `fgetattr`. It also adds the `chflags` operation. BSD flags support requires use of the `FSP_FUSE_CAP_STAT_EX` capability and the new `struct fuse_stat_ex` which includes an `st_flags` field. If the preprocessor macro `FSP_FUSE_USE_STAT_EX` is defined before inclusion of `<fuse.h>` then `struct fuse_stat` will also be defined to include the `st_flags` field.
+- WinFsp-FUSE also adds the following OSXFUSE operations: `setcrtime`, `setchgtime`. These can be used to set the creation (birth) time and change (ctime) time of a file.
+- New `GetDirInfoByName` file system operation adds fast queries of directory info by file name rather than pattern [e.g. `FindFirstFileW(L"foobar", FindData)`]. Tests with fsbench showed that such queries are sped up by an order of magnitude when using `GetDirInfoByName` in MEMFS. Case-sensitive FUSE file systems get this optimization for free. The .NET layer also adds `GetDirInfoByName`.
+- New `FspFileSystemOperationProcessId` API adds support for getting the originating process ID (PID) during `Create`, `Open` and `Rename` calls. FUSE file systems can now access `fuse_context::pid`. The .NET layer also adds `GetOperationProcessId`.
+- New command line tool `fsptool` allows command line access to some WinFsp features.
+- The WinFsp launcher now passes the name of the user who launched the file system as a special parameter %U. This is useful to file systems that use the launcher infrastructure, such as SSHFS-Win. [Please note that in earlier betas the user name was passed as parameter %3; the previous method was insecure and is no longer supported.]
+- Important GitHub issues fixed: #96, #97, #103, #107, #127
+
+
+v1.2 (2017.2)::
+
+Changes since v1.1:
+
+- WinFsp-FUSE now supports BSD flags (Windows file attributes) during `getattr` and `fgetattr`. It also adds the `chflags` operation. BSD flags support requires use of the `FSP_FUSE_CAP_STAT_EX` capability and the new `struct fuse_stat_ex` which includes an `st_flags` field. If the preprocessor macro `FSP_FUSE_USE_STAT_EX` is defined before inclusion of `<fuse.h>` then `struct fuse_stat` will also be defined to include the `st_flags` field.
+- WinFsp-FUSE also adds the following OSXFUSE operations: `setcrtime`, `setchgtime`. These can be used to set the creation (birth) time and change (ctime) time of a file.
+- New `GetDirInfoByName` file system operation adds fast queries of directory info by file name rather than pattern [e.g. `FindFirstFileW(L"foobar", FindData)`]. Tests with fsbench showed that such queries are sped up by an order of magnitude when using `GetDirInfoByName` in MEMFS. Case-sensitive FUSE file systems get this optimization for free. The .NET layer also adds `GetDirInfoByName`.
+- New `FspFileSystemOperationProcessId` API adds support for getting the originating process ID (PID) during `Create`, `Open` and `Rename` calls. FUSE file systems can now access `fuse_context::pid`. The .NET layer also adds `GetOperationProcessId`.
+- New command line tool `fsptool` allows command line access to some WinFsp features.
+- The WinFsp launcher now passes the name of the user who launched the file system as a special parameter %U. This is useful to file systems that use the launcher infrastructure, such as SSHFS-Win. [Please note that in earlier betas the user name was passed as parameter %3; the previous method was insecure and is no longer supported.]
+- Important GitHub issues fixed: #96, #97, #103, #107
+
+
+v1.2B3 (2017.2 B3)::
+
+Changes since v1.1:
+
+- WinFsp-FUSE now supports BSD flags (Windows file attributes) during `getattr` and `fgetattr`. It also adds the `chflags` operation. BSD flags support requires use of the `FSP_FUSE_CAP_STAT_EX` capability and the new `struct fuse_stat_ex` which includes an `st_flags` field. If the preprocessor macro `FSP_FUSE_USE_STAT_EX` is defined before inclusion of `<fuse.h>` then `struct fuse_stat` will also be defined to include the `st_flags` field.
+- WinFsp-FUSE also adds the following OSXFUSE operations: `setcrtime`, `setchgtime`. These can be used to set the creation (birth) time and change (ctime) time of a file.
+- New `GetDirInfoByName` file system operation adds fast queries of directory info by file name rather than pattern [e.g. `FindFirstFileW(L"foobar", FindData)`]. Tests with fsbench showed that such queries are sped up by an order of magnitude when using `GetDirInfoByName` in MEMFS. Case-sensitive FUSE file systems get this optimization for free. The .NET layer also adds `GetDirInfoByName`.
+- New `FspFileSystemOperationProcessId` API adds support for getting the originating process ID (PID) during `Create`, `Open` and `Rename` calls. FUSE file systems can now access `fuse_context::pid`. The .NET layer also adds `GetOperationProcessId`.
+- New command line tool `fsptool` allows command line access to some WinFsp features.
+- The WinFsp launcher now passes the username of the user who launched the file system as parameter %3. This is useful to file systems that use the launcher infrastructure, such as SSHFS-Win.
+- Important GitHub issues fixed: #96, #97, #103, #107
+
+
+v1.2B2 (2017.2 B2)::
+
+Changes since v1.1:
+
+- New command line tool `fsptool` allows command line access to some WinFsp features.
+- New `GetDirInfoByName` file system operation adds fast queries of directory info by file name rather than pattern [e.g. `FindFirstFileW(L"foobar", FindData)`]. Tests with fsbench showed that such queries are sped up by an order of magnitude when using `GetDirInfoByName` in MEMFS. Case-sensitive FUSE file systems get this optimization for free. The .NET layer also adds `GetDirInfoByName`.
+- New `FspFileSystemOperationProcessId` API adds support for getting the originating process ID (PID) during `Create`, `Open` and `Rename` calls. FUSE file systems can now access `fuse_context::pid`. The .NET layer also adds `GetOperationProcessId`.
+- Important GitHub issues fixed: #96, #97, #103, #107
+
+
+v1.2B1 (2017.2 B1)::
+
+- New command line tool `fsptool` allows command line access to some WinFsp features.
+- New `GetDirInfoByName` file system operation adds fast queries of directory info by file name rather than pattern [e.g. `FindFirstFileW("foobar", FindData)`]. Tests with fsbench showed that such queries are sped up by an order of magnitude when using `GetDirInfoByName` in MEMFS.
+- New `FspFileSystemOperationProcessId` API adds support for getting the originating process ID (PID) during `Create`, `Open` and `Rename` calls.
+
+
+v1.1 (2017.1)::
+
+This release brings some major new components and improvements.
+
+- A .NET layer that allows the creation of file systems in managed mode. This is contained in the new `winfsp-msil.dll`. The new .NET layer is being tested with the WinFsp test suites and Microsoft's ifstest.
+- FUSE for Cygwin is now included with the installer.
+- FUSE now has a `-ovolname=VOLNAME` parameter that allows setting the volume label. Thanks @samkelly.
+- A number of other FUSE improvements have been made (see issue #85).
+
+NOTE: The C++ layer included in the v1.1 beta releases is not part of this release as it is still work in progress. It can be found in `inc/winfsp/winfsp.hpp` in the WinFsp source repository.
+
+
+v1.1B3 (2017.1 B3)::
+
+v1.1B2 (2017.1 B2)::
+
+v1.1B1 (2017.1 BETA)::
+
+This release brings some major new components and improvements.
+
+- A .NET layer that allows the creation of file systems in managed mode. This is contained in the new `winfsp-msil.dll`. The new .NET layer is being tested with the WinFsp test suites and Microsoft's ifstest.
+- A simple C++ layer can be found in `inc/winfsp/winfsp.hpp`.
+- FUSE for Cygwin is now included with the installer.
+- FUSE now has a `-ovolname=VOLNAME` parameter that allows setting the volume label. Thanks @samkelly.
+
+
+v1.0::
+
+This is the WinFsp 2017 release! :tada:
+
+- The API is now *FROZEN*. Breaking API changes will receive a major version update (`2.0`). Incremental API changes will receive a minor version update (`1.x`).
+- Adds chocolatey package. Try `choco install winfsp` (note: pending approval from chocolatey.org).
+- FUSE `-d` output now always goes to stderr. There is also a new `-oDebugLog=FILE` switch to specify a debug output file.
+- FUSE now provides a default `statfs` implementation if a file system does not provide one.
+- The WinFsp DLL now exports `fuse_*` symbols in addition to the `fsp_fuse_*` symbols. These symbols are for use with programs that use FFI technology such as jnr-fuse and fusepy *ONLY*. They are not supposed to be used by native C/C++ programs. Such programs are supposed to include the `<fuse.h>` headers.
+
+
+v1.0RC3::
+
+This is the WinFsp 2017 Release Candidate 3, which should be the last Release Candidate according to the current plan. This release fixes a major issue with some file systems and includes a few smaller changes:
+
+- Fixes GitHub issue #55. Prior to this fix it was possible for a rogue process (or faulty file system) to crash Windows using WinFsp. For full details read http://www.osronline.com/showthread.cfm?link=282037[this thread].
+- Introduces the `FspFileSystemSetMountPointEx` API, which allows the specification of a security descriptor when mounting over a directory.
+- Introduces the `FspVersion` API, which allows the retrieval of the WinFsp DLL version. Currently this reports `0x00010000` (version `1.0`).
+- Introduces the `FSP_FUSE_CAP_CASE_INSENSITIVE` and `FSP_FUSE_CAP_READDIR_PLUS` WinFsp-FUSE flags. The `FSP_FUSE_CAP_CASE_INSENSITIVE` flag allows a file system to mark itself as case-insensitive. The `FSP_FUSE_CAP_READDIR_PLUS` flag allows a file system to include full `stat` details when responding to the `readdir` operation (thus avoiding extraneous `getattr` calls).
+- When using WinFsp-FUSE over Cygwin, POSIX paths can be used as mountpoints.
+- Fixes GitHub issue #45. Prior to this fix, file systems that do not properly implement `Cleanup` (including FUSE file systems) would at times disallow renaming of directories.
+
+
 v1.0RC2::
 
 This is the WinFsp 2017 Release Candidate 2. Some important changes included below:
 
-- The `ReadDirectory` `FSP_FILE_SYSTEM_INTERFACE` operation has been changed. Extensive testing with multiple file systems has shown that `ReadDirectory` was hard to implement correctly. The new definition should make implementation easier for most file system. [See GitHub issue #34.]
+- WinFsp is now available under the GPLv3 with a special exception for Free/Libre and Open Source Software.
+- The location of the WinFsp launcher registry entries is now `HKEY_LOCAL_MACHINE\Software\WinFsp\Services`. [On Win64 the actual location is `HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\WinFsp\Services`.] This change was necessary to avoid loss of third party file system registry entries during WinFsp uninstallation. [See GitHub issue #31.]
+- Despite stating in the previous release that the API has been finalized the `ReadDirectory` `FSP_FILE_SYSTEM_INTERFACE` operation has been changed. Extensive testing with multiple file systems has shown that `ReadDirectory` was hard to implement correctly. The new definition should make implementation easier for most file systems. [See GitHub issue #34.]
 - Some API's to facilitate `ReadDirectory` implementation have been added. Look for `FspFileSystem*DirectoryBuffer` symbols.
 - The installer now (optionally) installs a sample file system called "passthrough". This is a simple file system that passes all operations to an underlying file system. There is also a tutorial for this file system (in the doc directory).
 - The installer now (optionally) installs a sample file system called "passthrough-fuse". This file system performs the same function as the "passthrough" file system, but uses the FUSE compatibility layer. It builds and runs on both Windows and Cygwin.

Contributors.asciidoc

@@ -54,5 +54,10 @@ This CONTRIBUTOR AGREEMENT applies to any contribution that you make to the WinF
 CONTRIBUTOR LIST
 ----------------
 |===
+|Ben Rubson                                                     |ben.rubson at gmail.com
 |Bill Zissimopoulos                                             |billziss at navimatics.com
+|Fritz Elfert                                                   |fritz-github at fritz-elfert.de
+|John Oberschelp                                                |john at oberschelp.net
+|Sam Kelly (DuroSoft Technologies LLC, https://durosoft.com)    |sam at durosoft.com
+|Tobias Urlaub                                                  |saibotu at outlook.de
 |===

License.txt

@@ -6,7 +6,7 @@ permissions to Free/Libre and Open Source Software ("FLOSS") without requiring
 that such software is covered by the GPLv3.
 
     1. Permission to link with a platform specific version of the WinFsp DLL
-    (currently winfsp-x64.dll or winfsp-x86.dll).
+    (one of: winfsp-x64.dll, winfsp-x86.dll, winfsp-msil.dll).
 
     2. Permission to distribute unmodified binary releases of the WinFsp
     installer (as released by the WinFsp project).

README.md

@@ -3,7 +3,9 @@
 ![WinFsp Demo](http://www.secfs.net/winfsp/files/cap.gif)
 
 
-<a href="https://github.com/billziss-gh/winfsp/releases/download/v1.0RC1/winfsp-1.0.17009.msi"><img src="http://www.secfs.net/winfsp/resources/Download-WinFsp.png" alt="Download WinFsp Installer" width="244" height="34"></a>
+<a href="https://github.com/billziss-gh/winfsp/releases/latest"><img src="http://www.secfs.net/winfsp/resources/Download-WinFsp.png" alt="Download WinFsp Installer" width="244" height="34"></a>
+&emsp;
+<a href="https://chocolatey.org/packages/winfsp"><img src="http://www.secfs.net/winfsp/resources/Choco-WinFsp.png" alt="choco install winfsp" width="244" height="34"></a>
 
 
 
@@ -16,8 +18,9 @@ Some of the benefits of using WinFsp are listed below:
 * Strives for compatibility with NTFS. Read about its [Compatibility](doc/NTFS-Compatibility.asciidoc ).
 * Easy to understand but comprehensive API. Consult the [API Reference](http://www.secfs.net/winfsp/apiref/). There is also a simple [Tutorial](doc/WinFsp-Tutorial.asciidoc).
 * FUSE compatibility layer for native Windows and Cygwin. See [fuse.h](inc/fuse/fuse.h).
+* .NET layer for managed development. See [src/dotnet](src/dotnet).
 * Signed drivers provided on every release.
-* Available under the GPLv3.
+* Available under the [GPLv3](License.txt) license with a special exception for Free/Libre and Open Source Software.
 
 To learn more about WinFsp, please visit its website: http://www.secfs.net/winfsp/
 
@@ -27,37 +30,44 @@ WinFsp consists of a kernel mode FSD (File System Driver) and a user mode DLL (D
 
 The project source code is organized as follows:
 
-* build/VStudio: WinFsp solution and project files.
-* doc: The WinFsp design documents and additional documentation can be found here.
-* ext/tlib: A small test library originally from the secfs (Secure Cloud File System) project.
-* ext/test: Submodule pointing to the secfs.test project, which contains a number of tools for testing Windows and POSIX file systems.
-* inc/winfsp: Public headers for the WinFsp API.
-* inc/fuse: Public headers for the FUSE compatibility layer.
-* src/dll: Source code to the WinFsp DLL.
-* src/dll/fuse: Source code to the FUSE compatibility layer.
-* src/launcher: Source code to the launcher service and the launchctl utility.
-* src/sys: Source code to the WinFsp FSD.
-* opt/cygfuse: Source code for the Cygwin FUSE package.
-* tst/memfs: Source code to an example file system written in C++ (memfs).
-* tst/winfsp-tests: WinFsp test suite.
+* `build/VStudio`: WinFsp solution and project files.
+* `doc`: The WinFsp design documents and additional documentation can be found here.
+* `ext/tlib`: A small test library originally from the secfs (Secure Cloud File System) project.
+* `ext/test`: Submodule pointing to the secfs.test project, which contains a number of tools for testing Windows and POSIX file systems.
+* `inc/fuse`: Public headers for the FUSE compatibility layer.
+* `inc/winfsp`: Public headers for the WinFsp API.
+* `src/dll`: Source code to the WinFsp DLL.
+* `src/dll/fuse`: Source code to the FUSE compatibility layer.
+* `src/dotnet`: Source code to the .NET layer.
+* `src/fsptool`: Source code to fsptool command line utility.
+* `src/launcher`: Source code to the launcher service and the launchctl utility.
+* `src/sys`: Source code to the WinFsp FSD.
+* `opt/cygfuse`: Source code for the Cygwin FUSE package.
+* `tst/memfs*`: Source code to an example file system written in C/C++ (memfs) or C# (memfs-dotnet).
+* `tst/passthrough*`: Source code to additional example file systems.
+* `tst/winfsp-tests`: WinFsp test suite.
+* `tools`: Various tools for building and testing WinFsp.
 
 ## Building and Running
 
 In order to build WinFsp you will need the following:
 
-* Windows 10
 * Visual Studio 2015
 * Windows Driver Kit (WDK) 10
 * [Wix toolset](http://wixtoolset.org)
 
-If you build the driver yourself it will not be signed and Windows will refuse to load it unless you enable "testsigning". You can enable "testsigning" using the command `bcdedit.exe -set testsigning`. For more information see this [document](http://www.secfs.net/winfsp/develop/debug/).
+To fully build WinFsp (including the installer) you must use `tools\build.bat`. By default it builds a Release build, but you can choose either the Debug or Release configuration by using the syntax:
 
-WinFsp is designed to run on Vista and above. It has been tested on the following platforms so far:
+    tools\build.bat CONFIGURATION
+
+If you build the driver yourself it will not be signed and Windows will refuse to load it unless you enable "testsigning". You can enable "testsigning" using the command `bcdedit.exe -set testsigning on`. For more information see this [document](http://www.secfs.net/winfsp/develop/debug/).
+
+WinFsp is designed to run on Windows 7 and above. It has been tested on the following platforms:
 
 * Windows 7 Enterprise
 * Windows 8 Pro
-* Windows 10 Pro
 * Windows Server 2012
+* Windows 10 Pro
 * Windows Server 2016
 
 ## How to Help
@@ -65,7 +75,7 @@ WinFsp is designed to run on Vista and above. It has been tested on the followin
 I am looking for help in the following areas:
 
 * If you have a file system that runs on FUSE please consider porting it to WinFsp. WinFsp has a native API, but it also has a FUSE (high-level) API.
-* If you are working with a language other than C/C++ (e.g. Delphi, C#, etc.) and you are interested in porting/wrapping WinFsp I would love to hear from you.
+* If you are working with a language other than C/C++ (e.g. Delphi, Java, etc.) and you are interested in porting/wrapping WinFsp I would love to hear from you.
 * There are a number of outstanding issues listed in the [GitHub repository](https://github.com/billziss-gh/winfsp/issues). Many of these require knowledge of Windows kernel-mode and an understanding of the internals of WinFsp so they are not for the faint of heart.
 
 In all cases I can provide ideas and/or support.
@@ -79,4 +89,4 @@ If you wish to discuss WinFsp there are now two options:
 
 ## License
 
-WinFsp is available under the [GPLv3](http://www.gnu.org/licenses/gpl-3.0.html) license. If you find the constraints of the GPLv3 too onerous, a commercial license is also available. Please contact Bill Zissimopoulos <billziss at navimatics.com> for more details.
+WinFsp is available under the [GPLv3](License.txt) license with a special exception for Free/Libre and Open Source Software. A commercial license is also available. Please contact Bill Zissimopoulos \<billziss at navimatics.com> for more details.

appveyor.yml

@@ -6,8 +6,10 @@ environment:
     TESTING: Func
   - CONFIGURATION: Release
     TESTING: Func
-  - CONFIGURATION: Release
-    TESTING: Perf
+  #- CONFIGURATION: Release
+  #  TESTING: Avast
+  #- CONFIGURATION: Release
+  #  TESTING: Perf
 
 install:
 - git submodule update --init --recursive
@@ -23,14 +25,18 @@ build_script:
 - tools\build.bat %CONFIGURATION%
 
 test_script:
-- for %%f in ("build\VStudio\build\%CONFIGURATION%\winfsp-*.msi") do start /wait msiexec /i %%f /qn INSTALLLEVEL=1000
+- choco install winfsp -s build\VStudio\build\%CONFIGURATION% -y
 - if %TESTING%==Func appveyor DownloadFile http://www.secfs.net/winfsp/resources/Test.Filter.Driver.zip && 7z x Test.Filter.Driver.zip
 - if %TESTING%==Func start /wait msiexec /i "Test.Filter.Driver\HCK Filter.Driver Content-x86_en-us.msi" /qn
 - if %TESTING%==Func tools\nmake-ext-test.bat %CONFIGURATION%
 - if %TESTING%==Func tools\run-tests.bat %CONFIGURATION%
 - if %TESTING%==Func tools\run-tests.bat %CONFIGURATION% ifstest
 - if %TESTING%==Func tools\run-tests.bat %CONFIGURATION% sample
+- if %TESTING%==Func tools\run-tests.bat %CONFIGURATION% compat
+- if %TESTING%==Avast choco install avastfreeantivirus && fltmc instances -v "C:"
+- if %TESTING%==Avast tools\run-tests.bat %CONFIGURATION% avast-tests
 - if %TESTING%==Perf tools\run-perf-tests.bat %CONFIGURATION% baseline > perf-tests.csv && type perf-tests.csv & appveyor PushArtifact perf-tests.csv
+- choco uninstall winfsp -y
 - if exist %SystemRoot%\memory.dmp exit 1
 
 on_finish:

build/VStudio/.gitignore

@@ -3,3 +3,4 @@ build
 *.suo
 *.vcproj.*
 *.vcxproj.user
+*.csproj.user

build/VStudio/dotnet/winfsp.net.csproj

@@ -0,0 +1,113 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\version.properties" />
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{94580219-CC8D-4FE5-A3BE-437B0B3481E1}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <ProjectName>winfsp.net</ProjectName>
+    <RootNamespace>Fsp</RootNamespace>
+    <AssemblyName>winfsp-msil</AssemblyName>
+    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <TargetFrameworkProfile />
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>$(SolutionDir)build\$(Configuration)\</OutputPath>
+    <BaseIntermediateOutputPath>$(SolutionDir)build\$(ProjectName).build\</BaseIntermediateOutputPath>
+    <IntermediateOutputPath>$(BaseIntermediateOutputPath)$(Configuration)\</IntermediateOutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <DocumentationFile>$(BaseIntermediateOutputPath)$(Configuration)\winfsp-msil.xml</DocumentationFile>
+    <NoWarn>1591</NoWarn>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>$(SolutionDir)build\$(Configuration)\</OutputPath>
+    <BaseIntermediateOutputPath>$(SolutionDir)build\$(ProjectName).build\</BaseIntermediateOutputPath>
+    <IntermediateOutputPath>$(BaseIntermediateOutputPath)$(Configuration)\</IntermediateOutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <DocumentationFile>$(BaseIntermediateOutputPath)$(Configuration)\winfsp-msil.xml</DocumentationFile>
+    <NoWarn>1591</NoWarn>
+  </PropertyGroup>
+  <PropertyGroup>
+    <SignAssembly>true</SignAssembly>
+  </PropertyGroup>
+  <PropertyGroup>
+    <AssemblyOriginatorKeyFile>winfsp.net.snk</AssemblyOriginatorKeyFile>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="..\..\..\src\dotnet\FileSystemBase+Const.cs">
+      <Link>FileSystemBase+Const.cs</Link>
+    </Compile>
+    <Compile Include="..\..\..\src\dotnet\FileSystemBase.cs">
+      <Link>FileSystemBase.cs</Link>
+    </Compile>
+    <Compile Include="..\..\..\src\dotnet\FileSystemHost.cs">
+      <Link>FileSystemHost.cs</Link>
+    </Compile>
+    <Compile Include="..\..\..\src\dotnet\Interop.cs">
+      <Link>Interop.cs</Link>
+    </Compile>
+    <Compile Include="..\..\..\src\dotnet\Service.cs">
+      <Link>Service.cs</Link>
+    </Compile>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="winfsp.net.snk" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+  <Target Name="BeforeBuild">
+    <ItemGroup>
+      <AssemblyInfo Include="using System.Reflection%3b" />
+      <AssemblyInfo Include="[assembly: AssemblyProduct(&quot;$(MyProductName)&quot;)]" />
+      <AssemblyInfo Include="[assembly: AssemblyTitle(&quot;$(MyDescription)&quot;)]" />
+      <AssemblyInfo Include="[assembly: AssemblyCompany(&quot;$(MyCompanyName)&quot;)]" />
+      <AssemblyInfo Include="[assembly: AssemblyCopyright(&quot;$(MyCopyright)&quot;)]" />
+      <AssemblyInfo Include="[assembly: AssemblyVersion(&quot;$(MyAssemblyVersion)&quot;)]" />
+      <AssemblyInfo Include="[assembly: AssemblyFileVersion(&quot;$(MyVersion)&quot;)]" />
+    </ItemGroup>
+    <MakeDir Directories="$(IntermediateOutputPath)" />
+    <WriteLinesToFile File="$(IntermediateOutputPath)AssemblyInfo.cs" Lines="@(AssemblyInfo)" Overwrite="true" />
+    <ItemGroup>
+      <Compile Include="$(IntermediateOutputPath)AssemblyInfo.cs" />
+      <FileWrites Include="$(IntermediateOutputPath)AssemblyInfo.cs" />
+    </ItemGroup>
+  </Target>
+  <PropertyGroup>
+    <PostBuildEvent>exit /b 0
+
+set TargetName=$(TargetName)
+set MyAssemblyPolicyVersion=$(MyAssemblyPolicyVersion)
+set MyAssemblyVersion=$(MyAssemblyVersion)
+
+setlocal EnableDelayedExpansion
+if exist $(OutDir)policy.$(MyAssemblyPolicyVersion).$(TargetName).config del $(OutDir)policy.$(MyAssemblyPolicyVersion).$(TargetName).config
+for /f "delims=" %25%25l in ($(ProjectDir)winfsp.net.policy.config) do (
+    set line=%25%25l
+    echo !line! &gt;&gt;$(OutDir)policy.$(MyAssemblyPolicyVersion).$(TargetName).config
+)
+
+"$(MSBuildProgramFiles32)\Microsoft SDKs\Windows\v7.0A\Bin\al.exe" /product:"$(MyProductName)" /title:"$(MyDescription)" /company:"$(MyCompanyName)" /copyright:"$(MyCopyright)" /version:"$(MyAssemblyPolicyVersion)" /fileversion:"$(MyVersion)" /link:$(OutDir)policy.$(MyAssemblyPolicyVersion).$(TargetName).config /out:$(OutDir)policy.$(MyAssemblyPolicyVersion).$(TargetName).dll /keyfile:$(ProjectDir)$(ProjectName).snk
+</PostBuildEvent>
+  </PropertyGroup>
+</Project>

build/VStudio/dotnet/winfsp.net.policy.config

@@ -0,0 +1,10 @@
+<configuration>
+    <runtime>
+        <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+            <dependentAssembly>
+                <assemblyIdentity name="!TargetName!" publicKeyToken="b099876d8fa9b1f3" culture="neutral" />
+                <bindingRedirect oldVersion="!MyAssemblyPolicyVersion!.0.0-!MyAssemblyVersion!" newVersion="!MyAssemblyVersion!" />
+            </dependentAssembly>
+        </assemblyBinding>
+    </runtime>
+</configuration>

build/VStudio/installer/CustomActions/CustomActions.cpp

@@ -1,7 +1,7 @@
 /**
  * @file CustomActions.cpp
  *
- * @copyright 2015-2017 Bill Zissimopoulos
+ * @copyright 2015-2018 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

build/VStudio/installer/Product.wxs

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi">
+<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi"
+    xmlns:dep="http://schemas.microsoft.com/wix/DependencyExtension">
     <Product
         Id="*"
         Name="$(var.MyProductName) $(var.MyProductVersion)"
@@ -22,7 +23,7 @@
         <Media Id="1" Cabinet="WinFsp.cab" EmbedCab="yes" />
 
         <Property Id="P.LauncherName">$(var.MyProductName).Launcher</Property>
-        <Property Id="P.LauncherRegistryKey">SYSTEM\\CurrentControlSet\\Services\\$(var.MyProductName).Launcher\\Services</Property>
+        <Property Id="P.LauncherRegistryKey">Software\$(var.MyProductName)\Services</Property>
         <Property Id="P.RegistryKey">Software\$(var.MyProductName)</Property>
         <Property Id="INSTALLDIR">
             <RegistrySearch
@@ -39,6 +40,7 @@
                     <Directory Id="BINDIR" Name="bin" />
                     <Directory Id="INCDIR" Name="inc" />
                     <Directory Id="LIBDIR" Name="lib" />
+                    <Directory Id="OPTDIR" Name="opt" />
                     <Directory Id="SMPDIR" Name="samples" />
                     <Directory Id="SYMDIR" Name="sym" />
                 </Directory>
@@ -52,8 +54,8 @@
                     Key="[P.RegistryKey]"
                     Name="InstallDir"
                     Type="string"
-                    Value="[INSTALLDIR]"
-                    KeyPath="yes" />
+                    Value="[INSTALLDIR]" />
+                <dep:Provides Key="WinFsp" />
             </Component>
             <Component Id="C.License.txt">
                 <File Name="License.txt" Source="..\..\..\License.txt" KeyPath="yes" />
@@ -87,6 +89,23 @@
                 <Condition>NOT VersionNT64</Condition>
             </Component>
 
+            <!-- install assembly -->
+            <Component Id="C.winfsp_msil.dll" Guid="0D8BA6AE-9F87-402B-AE1A-95B0AE3BE179">
+                <File Id="FILE.winfsp_msil.dll" Name="winfsp-msil.dll" KeyPath="yes" />
+            </Component>
+            <Component Id="C.winfsp_msil.xml" Guid="1657F707-C112-454C-91AE-0FDEBBF454AB">
+                <File Id="FILE.winfsp_msil.xml" Name="winfsp-msil.xml" KeyPath="yes" />
+            </Component>
+            <!--
+            <Component Id="C.winfsp_msil.dll.GAC" Guid="6469467D-8C90-4889-8138-4028F9DA6E85">
+                <File Id="FILE.winfsp_msil.dll.GAC" Name="winfsp-msil.dll" KeyPath="yes" Assembly=".net" />
+            </Component>
+            <Component Id="C.policy.winfsp_msil.dll.GAC">
+                <File Name="policy.1.0.winfsp-msil.dll" KeyPath="yes" Assembly=".net" />
+                <File Name="policy.1.0.winfsp-msil.config" KeyPath="no" />
+            </Component>
+            -->
+
             <!-- On Win64 ServiceInstall launcher-x64.exe -->
             <Component Id="C.launcher_x64.exe.svcinst">
                 <File Id="launcher_x64.exe.svcinst" Name="launcher-x64.exe" KeyPath="yes" />
@@ -140,6 +159,13 @@
                 <File Name="launchctl-x86.exe" KeyPath="yes" />
             </Component>
 
+            <Component Id="C.fsptool_x64.exe" Guid="013FE508-097D-4433-9C60-717F5446E7F4">
+                <File Name="fsptool-x64.exe" KeyPath="yes" />
+            </Component>
+            <Component Id="C.fsptool_x86.exe" Guid="6C16DC2C-E12F-49FB-A665-3AF0475487AD">
+                <File Name="fsptool-x86.exe" KeyPath="yes" />
+            </Component>
+
             <Component Id="C.diag.bat">
                 <File Name="diag.bat" Source="..\..\..\tools\diag.bat" KeyPath="yes" />
             </Component>
@@ -199,6 +225,32 @@
                     </RegistryKey>
                 </RegistryKey>
             </Component>
+            <Component Id="C.memfs_dotnet_msil.exe">
+                <File Name="memfs-dotnet-msil.exe" KeyPath="yes" />
+                <RegistryKey
+                    Root="HKLM"
+                    Key="[P.LauncherRegistryKey]">
+                    <RegistryKey
+                        Key="memfs-dotnet">
+                        <RegistryValue
+                            Type="string"
+                            Name="Executable"
+                            Value="[BINDIR]memfs-dotnet-msil.exe" />
+                        <RegistryValue
+                            Type="string"
+                            Name="CommandLine"
+                            Value="-i -F NTFS -n 65536 -s 67108864 -u %1 -m %2" />
+                        <RegistryValue
+                            Type="string"
+                            Name="Security"
+                            Value="D:P(A;;RPWPLC;;;WD)" />
+                        <RegistryValue
+                            Type="integer"
+                            Name="JobControl"
+                            Value="1" />
+                    </RegistryKey>
+                </RegistryKey>
+            </Component>
         </DirectoryRef>
         <DirectoryRef Id="INCDIR" FileSource="..\..\..\inc">
             <Directory Id="INCDIR.winfsp" Name="winfsp">
@@ -208,6 +260,12 @@
                 <Component Id="C.winfsp.h">
                     <File Name="winfsp.h" KeyPath="yes" />
                 </Component>
+                <Component Id="C.launch.h">
+                    <File Name="launch.h" KeyPath="yes" />
+                </Component>
+                <!--Component Id="C.winfsp.hpp">
+                    <File Name="winfsp.hpp" KeyPath="yes" />
+                </Component-->
             </Directory>
             <Directory Id="INCDIR.fuse" Name="fuse">
                 <Component Id="C.fuse.h">
@@ -252,6 +310,26 @@
                 <Condition>NOT VersionNT64</Condition>
             </Component>
         </DirectoryRef>
+        <DirectoryRef Id="OPTDIR">
+            <Directory Id="OPTDIR.cygfuse" Name="cygfuse" FileSource="..\..\..\opt\cygfuse\dist">
+                <Directory Id="OPTDIR.cygfuse.x64" Name="x64">
+                    <Component Id="C.fuse.tar.xz.x64">
+                        <File Id="FILE.fuse.tar.xz.x64" Name="fuse-2.8-8.tar.xz" KeyPath="yes" />
+                    </Component>
+                </Directory>
+                <Directory Id="OPTDIR.cygfuse.x86" Name="x86">
+                    <Component Id="C.fuse.tar.xz.x86">
+                        <File Id="FILE.fuse.tar.xz.x86" Name="fuse-2.8-8.tar.xz" KeyPath="yes" />
+                    </Component>
+                </Directory>
+                <Component Id="C.fuse.install.sh">
+                    <File Name="install.sh" KeyPath="yes" />
+                </Component>
+                <Component Id="C.fuse.uninstall.sh">
+                    <File Name="uninstall.sh" KeyPath="yes" />
+                </Component>
+            </Directory>
+        </DirectoryRef>
         <DirectoryRef Id="SMPDIR" FileSource="..\..\..\tst">
             <Directory Id="SMPDIR.memfs" Name="memfs">
                 <Component Id="C.memfs.h">
@@ -264,6 +342,11 @@
                     <File Name="memfs-main.c" KeyPath="yes" />
                 </Component>
             </Directory>
+            <Directory Id="SMPDIR.memfs_dotnet" Name="memfs-dotnet">
+                <Component Id="C.memfs_dotnet.Program.cs">
+                    <File Id="FILE.memfs_dotnet.Program.cs" Name="Program.cs" KeyPath="yes" />
+                </Component>
+            </Directory>
             <Directory Id="SMPDIR.passthrough" Name="passthrough">
                 <Component Id="C.passthrough.c">
                     <File Name="passthrough.c" KeyPath="yes" />
@@ -278,6 +361,20 @@
                     <File Name="passthrough.vcxproj.filters" KeyPath="yes" />
                 </Component>
             </Directory>
+            <!--Directory Id="SMPDIR.passthrough_cpp" Name="passthrough-cpp">
+                <Component Id="C.passthrough_cpp.cpp">
+                    <File Name="passthrough-cpp.cpp" KeyPath="yes" />
+                </Component>
+                <Component Id="C.passthrough_cpp.sln">
+                    <File Name="passthrough-cpp.sln" KeyPath="yes" />
+                </Component>
+                <Component Id="C.passthrough_cpp.vcxproj">
+                    <File Name="passthrough-cpp.vcxproj" KeyPath="yes" />
+                </Component>
+                <Component Id="C.passthrough_cpp.vcxproj.filters">
+                    <File Name="passthrough-cpp.vcxproj.filters" KeyPath="yes" />
+                </Component>
+            </Directory-->
             <Directory Id="SMPDIR.passthrough_fuse" Name="passthrough-fuse">
                 <Component Id="C.passthrough_fuse.c">
                     <File Name="passthrough-fuse.c" KeyPath="yes" />
@@ -304,6 +401,17 @@
                     <File Name="README.md" KeyPath="yes" />
                 </Component>
             </Directory>
+            <Directory Id="SMPDIR.passthrough_dotnet" Name="passthrough-dotnet">
+                <Component Id="C.passthrough_dotnet.Program.cs">
+                    <File Id="FILE.passthrough_dotnet.Program.cs" Name="Program.cs" KeyPath="yes" />
+                </Component>
+                <Component Id="C.passthrough_dotnet.sln">
+                    <File Name="passthrough-dotnet.sln" KeyPath="yes" />
+                </Component>
+                <Component Id="C.passthrough_dotnet.csproj">
+                    <File Name="passthrough-dotnet.csproj" KeyPath="yes" />
+                </Component>
+            </Directory>
         </DirectoryRef>
         <DirectoryRef Id="SYMDIR">
             <Component Id="C.winfsp_x64.sys.pdb">
@@ -330,6 +438,12 @@
             <Component Id="C.launchctl_x86.pdb">
                 <File Name="launchctl-x86.pdb" Source="..\build\$(var.Configuration)\launchctl-x86.public.pdb" KeyPath="yes" />
             </Component>
+            <Component Id="C.fsptool_x64.pdb">
+                <File Name="fsptool-x64.pdb" Source="..\build\$(var.Configuration)\fsptool-x64.public.pdb" KeyPath="yes" />
+            </Component>
+            <Component Id="C.fsptool_x86.pdb">
+                <File Name="fsptool-x86.pdb" Source="..\build\$(var.Configuration)\fsptool-x86.public.pdb" KeyPath="yes" />
+            </Component>
             <Component Id="C.memfs_x64.pdb">
                 <File Name="memfs-x64.pdb" Source="..\build\$(var.Configuration)\memfs-x64.public.pdb" KeyPath="yes" />
             </Component>
@@ -351,12 +465,16 @@
             <ComponentRef Id="C.launcher_x86.exe.svcinst" />
             <ComponentRef Id="C.launchctl_x64.exe" />
             <ComponentRef Id="C.launchctl_x86.exe" />
+            <ComponentRef Id="C.fsptool_x64.exe" />
+            <ComponentRef Id="C.fsptool_x86.exe" />
             <ComponentRef Id="C.diag.bat" />
             <ComponentRef Id="C.fsreg.bat" />
         </ComponentGroup>
         <ComponentGroup Id="C.WinFsp.inc">
             <ComponentRef Id="C.fsctl.h" />
             <ComponentRef Id="C.winfsp.h" />
+            <ComponentRef Id="C.launch.h" />
+            <!--ComponentRef Id="C.winfsp.hpp" /-->
             <ComponentRef Id="C.fuse.h" />
             <ComponentRef Id="C.fuse_common.h" />
             <ComponentRef Id="C.fuse_opt.h" />
@@ -368,6 +486,12 @@
             <ComponentRef Id="C.fuse_x64.pc" />
             <ComponentRef Id="C.fuse_x86.pc" />
         </ComponentGroup>
+        <ComponentGroup Id="C.WinFsp.opt.fuse">
+            <ComponentRef Id="C.fuse.tar.xz.x64" />
+            <ComponentRef Id="C.fuse.tar.xz.x86" />
+            <ComponentRef Id="C.fuse.install.sh" />
+            <ComponentRef Id="C.fuse.uninstall.sh" />
+        </ComponentGroup>
         <ComponentGroup Id="C.WinFsp.smp">
             <ComponentRef Id="C.memfs_x64.exe" />
             <ComponentRef Id="C.memfs_x86.exe" />
@@ -378,6 +502,10 @@
             <ComponentRef Id="C.passthrough.sln" />
             <ComponentRef Id="C.passthrough.vcxproj" />
             <ComponentRef Id="C.passthrough.vcxproj.filters" />
+            <!--ComponentRef Id="C.passthrough_cpp.cpp" /-->
+            <!--ComponentRef Id="C.passthrough_cpp.sln" /-->
+            <!--ComponentRef Id="C.passthrough_cpp.vcxproj" /-->
+            <!--ComponentRef Id="C.passthrough_cpp.vcxproj.filters" /-->
             <ComponentRef Id="C.passthrough_fuse.c" />
             <ComponentRef Id="C.passthrough_fuse.winposix.c" />
             <ComponentRef Id="C.passthrough_fuse.winposix.h" />
@@ -396,9 +524,26 @@
             <ComponentRef Id="C.launcher_x64.pdb" />
             <ComponentRef Id="C.launchctl_x64.pdb" />
             <ComponentRef Id="C.launchctl_x86.pdb" />
+            <ComponentRef Id="C.fsptool_x64.pdb" />
+            <ComponentRef Id="C.fsptool_x86.pdb" />
             <ComponentRef Id="C.memfs_x64.pdb" />
             <ComponentRef Id="C.memfs_x86.pdb" />
         </ComponentGroup>
+        <ComponentGroup Id="C.WinFsp.net">
+            <ComponentRef Id="C.winfsp_msil.dll" />
+            <ComponentRef Id="C.winfsp_msil.xml" />
+            <!--
+            <ComponentRef Id="C.winfsp_msil.dll.GAC" />
+            <ComponentRef Id="C.policy.winfsp_msil.dll.GAC" />
+            -->
+        </ComponentGroup>
+        <ComponentGroup Id="C.WinFsp.smp.net">
+            <ComponentRef Id="C.memfs_dotnet_msil.exe" />
+            <ComponentRef Id="C.memfs_dotnet.Program.cs" />
+            <ComponentRef Id="C.passthrough_dotnet.Program.cs" />
+            <ComponentRef Id="C.passthrough_dotnet.sln" />
+            <ComponentRef Id="C.passthrough_dotnet.csproj" />
+        </ComponentGroup>
 
         <Feature
             Id="F.Main"
@@ -421,7 +566,20 @@
                 InstallDefault="local"
                 Absent="disallow">
                 <ComponentGroupRef Id="C.WinFsp.bin" />
+                <ComponentGroupRef Id="C.WinFsp.net" />
             </Feature>
+            <!--
+            <Feature
+                Id="F.Net"
+                Level="10"
+                Title=".NET"
+                Description="The managed $(var.MyProductName) files."
+                AllowAdvertise="no"
+                InstallDefault="local"
+                Absent="allow">
+                <ComponentGroupRef Id="C.WinFsp.net" />
+            </Feature>
+            -->
             <Feature
                 Id="F.Developer"
                 Level="1000"
@@ -433,8 +591,19 @@
                 <ComponentGroupRef Id="C.WinFsp.inc" />
                 <ComponentGroupRef Id="C.WinFsp.lib" />
                 <ComponentGroupRef Id="C.WinFsp.smp" />
+                <ComponentGroupRef Id="C.WinFsp.smp.net" />
                 <ComponentGroupRef Id="C.WinFsp.sym" />
             </Feature>
+            <Feature
+                Id="F.Cygfuse"
+                Level="1000"
+                Title="FUSE for Cygwin"
+                Description="From a Cygwin prompt change to &lt;InstallDir&gt;/opt/cygfuse and run install.sh."
+                AllowAdvertise="no"
+                InstallDefault="local"
+                Absent="allow">
+                <ComponentGroupRef Id="C.WinFsp.opt.fuse" />
+            </Feature>
         </Feature>
 
         <WixVariable Id="WixUIBannerBmp" Value="wixbanner.bmp" />

build/VStudio/installer/winfsp_msi.wixproj

@@ -39,6 +39,10 @@
       <HintPath>$(WixExtDir)\WixUIExtension.dll</HintPath>
       <Name>WixUIExtension</Name>
     </WixExtension>
+    <WixExtension Include="WixDependencyExtension">
+      <HintPath>$(WixExtDir)\WixDependencyExtension.dll</HintPath>
+      <Name>WixDependencyExtension</Name>
+    </WixExtension>
   </ItemGroup>
   <Import Project="$(WixTargetsPath)" />
   <!--

build/VStudio/testing/memfs-dotnet.csproj

@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{4920E350-D496-4652-AE98-6C4208AEC1D8}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <ProjectName>memfs-dotnet</ProjectName>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>memfs</RootNamespace>
+    <AssemblyName>memfs-dotnet-msil</AssemblyName>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>$(SolutionDir)build\$(Configuration)\</OutputPath>
+    <BaseIntermediateOutputPath>$(SolutionDir)build\$(ProjectName).build\</BaseIntermediateOutputPath>
+    <IntermediateOutputPath>$(BaseIntermediateOutputPath)$(Configuration)\</IntermediateOutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>$(SolutionDir)build\$(Configuration)\</OutputPath>
+    <BaseIntermediateOutputPath>$(SolutionDir)build\$(ProjectName).build\</BaseIntermediateOutputPath>
+    <IntermediateOutputPath>$(BaseIntermediateOutputPath)$(Configuration)\</IntermediateOutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="..\..\..\tst\memfs-dotnet\Program.cs">
+      <Link>Program.cs</Link>
+    </Compile>
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\dotnet\winfsp.net.csproj">
+      <Project>{94580219-cc8d-4fe5-a3be-437b0b3481e1}</Project>
+      <Name>winfsp.net</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>

build/VStudio/testing/winfsp-tests.vcxproj

@@ -185,10 +185,12 @@
     <ClCompile Include="..\..\..\tst\winfsp-tests\dirbuf-test.c" />
     <ClCompile Include="..\..\..\tst\winfsp-tests\dirctl-test.c" />
     <ClCompile Include="..\..\..\tst\winfsp-tests\eventlog-test.c" />
+    <ClCompile Include="..\..\..\tst\winfsp-tests\exec-test.c" />
     <ClCompile Include="..\..\..\tst\winfsp-tests\flush-test.c" />
     <ClCompile Include="..\..\..\tst\winfsp-tests\fuse-opt-test.c" />
     <ClCompile Include="..\..\..\tst\winfsp-tests\hooks.c" />
     <ClCompile Include="..\..\..\tst\winfsp-tests\info-test.c" />
+    <ClCompile Include="..\..\..\tst\winfsp-tests\launch-test.c" />
     <ClCompile Include="..\..\..\tst\winfsp-tests\lock-test.c" />
     <ClCompile Include="..\..\..\tst\winfsp-tests\memfs-test.c" />
     <ClCompile Include="..\..\..\tst\winfsp-tests\mount-test.c" />
@@ -201,6 +203,7 @@
     <ClCompile Include="..\..\..\tst\winfsp-tests\security-test.c" />
     <ClCompile Include="..\..\..\tst\winfsp-tests\stream-tests.c" />
     <ClCompile Include="..\..\..\tst\winfsp-tests\timeout-test.c" />
+    <ClCompile Include="..\..\..\tst\winfsp-tests\version-test.c" />
     <ClCompile Include="..\..\..\tst\winfsp-tests\winfsp-tests.c" />
   </ItemGroup>
   <ItemGroup>
@@ -213,6 +216,9 @@
       <Project>{4a7c0b21-9e10-4c81-92de-1493efcf24eb}</Project>
     </ProjectReference>
   </ItemGroup>
+  <ItemGroup>
+    <ResourceCompile Include="..\..\..\tst\winfsp-tests\helper\winfsp-tests-helper.rc" />
+  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>

build/VStudio/testing/winfsp-tests.vcxproj.filters

@@ -79,6 +79,15 @@
     <ClCompile Include="..\..\..\tst\winfsp-tests\dirbuf-test.c">
       <Filter>Source</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\tst\winfsp-tests\exec-test.c">
+      <Filter>Source</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\..\tst\winfsp-tests\version-test.c">
+      <Filter>Source</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\..\tst\winfsp-tests\launch-test.c">
+      <Filter>Source</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\..\ext\tlib\testsuite.h">
@@ -91,4 +100,9 @@
       <Filter>Source</Filter>
     </ClInclude>
   </ItemGroup>
+  <ItemGroup>
+    <ResourceCompile Include="..\..\..\tst\winfsp-tests\helper\winfsp-tests-helper.rc">
+      <Filter>Source</Filter>
+    </ResourceCompile>
+  </ItemGroup>
 </Project>

build/VStudio/tools/fsptool.vcxproj

@@ -0,0 +1,193 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\version.properties" />
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{1E997BEC-1642-4A5C-B252-852DA094E11E}</ProjectGuid>
+    <Keyword>Win32Proj</Keyword>
+    <RootNamespace>fsptool</RootNamespace>
+    <WindowsTargetPlatformVersion>8.1</WindowsTargetPlatformVersion>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v140</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v140</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v140</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v140</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="Shared">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <LinkIncremental>true</LinkIncremental>
+    <OutDir>$(SolutionDir)build\$(Configuration)\</OutDir>
+    <IntDir>$(SolutionDir)build\$(ProjectName).build\$(Configuration)\$(PlatformTarget)\</IntDir>
+    <TargetName>$(ProjectName)-$(PlatformTarget)</TargetName>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LinkIncremental>true</LinkIncremental>
+    <OutDir>$(SolutionDir)build\$(Configuration)\</OutDir>
+    <IntDir>$(SolutionDir)build\$(ProjectName).build\$(Configuration)\$(PlatformTarget)\</IntDir>
+    <TargetName>$(ProjectName)-$(PlatformTarget)</TargetName>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <LinkIncremental>false</LinkIncremental>
+    <OutDir>$(SolutionDir)build\$(Configuration)\</OutDir>
+    <IntDir>$(SolutionDir)build\$(ProjectName).build\$(Configuration)\$(PlatformTarget)\</IntDir>
+    <TargetName>$(ProjectName)-$(PlatformTarget)</TargetName>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LinkIncremental>false</LinkIncremental>
+    <OutDir>$(SolutionDir)build\$(Configuration)\</OutDir>
+    <IntDir>$(SolutionDir)build\$(ProjectName).build\$(Configuration)\$(PlatformTarget)\</IntDir>
+    <TargetName>$(ProjectName)-$(PlatformTarget)</TargetName>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\..\..\src;..\..\..\inc</AdditionalIncludeDirectories>
+      <BasicRuntimeChecks>Default</BasicRuntimeChecks>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <BufferSecurityCheck>false</BufferSecurityCheck>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <IgnoreAllDefaultLibraries>true</IgnoreAllDefaultLibraries>
+      <StripPrivateSymbols>$(OutDir)$(TargetName).public.pdb</StripPrivateSymbols>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\..\..\src;..\..\..\inc</AdditionalIncludeDirectories>
+      <BasicRuntimeChecks>Default</BasicRuntimeChecks>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <BufferSecurityCheck>false</BufferSecurityCheck>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <IgnoreAllDefaultLibraries>true</IgnoreAllDefaultLibraries>
+      <StripPrivateSymbols>$(OutDir)$(TargetName).public.pdb</StripPrivateSymbols>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\..\..\src;..\..\..\inc</AdditionalIncludeDirectories>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <BufferSecurityCheck>false</BufferSecurityCheck>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <IgnoreAllDefaultLibraries>true</IgnoreAllDefaultLibraries>
+      <StripPrivateSymbols>$(OutDir)$(TargetName).public.pdb</StripPrivateSymbols>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>..\..\..\src;..\..\..\inc</AdditionalIncludeDirectories>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <BufferSecurityCheck>false</BufferSecurityCheck>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <IgnoreAllDefaultLibraries>true</IgnoreAllDefaultLibraries>
+      <StripPrivateSymbols>$(OutDir)$(TargetName).public.pdb</StripPrivateSymbols>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\winfsp_dll.vcxproj">
+      <Project>{4a7c0b21-9e10-4c81-92de-1493efcf24eb}</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="..\..\..\src\fsptool\fsptool.c" />
+  </ItemGroup>
+  <ItemGroup>
+    <ResourceCompile Include="..\..\..\src\fsptool\fsptool-version.rc" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>

build/VStudio/tools/fsptool.vcxproj.filters

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Source">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="Include">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;hm;inl;inc;xsd</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="..\..\..\src\fsptool\fsptool.c">
+      <Filter>Source</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ResourceCompile Include="..\..\..\src\fsptool\fsptool-version.rc">
+      <Filter>Source</Filter>
+    </ResourceCompile>
+  </ItemGroup>
+</Project>

build/VStudio/tools/launchctl.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{73EAAEDA-557B-48D5-A137-328934720FB4}</ProjectGuid>
+    <ProjectGuid>{264A5D09-126F-4760-A3F1-4B3B95C925AA}</ProjectGuid>
     <Keyword>Win32Proj</Keyword>
     <RootNamespace>launchctl</RootNamespace>
     <WindowsTargetPlatformVersion>8.1</WindowsTargetPlatformVersion>
@@ -185,7 +185,6 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClInclude Include="..\..\..\src\launcher\launcher.h" />
     <ClInclude Include="..\..\..\src\shared\minimal.h" />
   </ItemGroup>
   <ItemGroup>

build/VStudio/tools/launchctl.vcxproj.filters

@@ -16,9 +16,6 @@
     <ClInclude Include="..\..\..\src\shared\minimal.h">
       <Filter>Include\shared</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\..\src\launcher\launcher.h">
-      <Filter>Source</Filter>
-    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\..\..\src\launcher\launchctl.c">

build/VStudio/tools/launcher.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{A5EFD487-0140-4184-8C54-FFAEC2F85E35}</ProjectGuid>
+    <ProjectGuid>{6CDF9411-B852-4EAC-822D-8F930675F17B}</ProjectGuid>
     <Keyword>Win32Proj</Keyword>
     <RootNamespace>launcher</RootNamespace>
     <WindowsTargetPlatformVersion>8.1</WindowsTargetPlatformVersion>
@@ -112,7 +112,7 @@
       <SubSystem>Console</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <IgnoreAllDefaultLibraries>true</IgnoreAllDefaultLibraries>
-      <AdditionalDependencies>%(AdditionalDependencies);rpcrt4.lib</AdditionalDependencies>
+      <AdditionalDependencies>%(AdditionalDependencies);rpcrt4.lib;userenv.lib</AdditionalDependencies>
       <StripPrivateSymbols>$(OutDir)$(TargetName).public.pdb</StripPrivateSymbols>
     </Link>
   </ItemDefinitionGroup>
@@ -134,7 +134,7 @@
       <SubSystem>Console</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <IgnoreAllDefaultLibraries>true</IgnoreAllDefaultLibraries>
-      <AdditionalDependencies>%(AdditionalDependencies);rpcrt4.lib</AdditionalDependencies>
+      <AdditionalDependencies>%(AdditionalDependencies);rpcrt4.lib;userenv.lib</AdditionalDependencies>
       <StripPrivateSymbols>$(OutDir)$(TargetName).public.pdb</StripPrivateSymbols>
     </Link>
   </ItemDefinitionGroup>
@@ -159,7 +159,7 @@
       <OptimizeReferences>true</OptimizeReferences>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <IgnoreAllDefaultLibraries>true</IgnoreAllDefaultLibraries>
-      <AdditionalDependencies>%(AdditionalDependencies);rpcrt4.lib</AdditionalDependencies>
+      <AdditionalDependencies>%(AdditionalDependencies);rpcrt4.lib;userenv.lib</AdditionalDependencies>
       <StripPrivateSymbols>$(OutDir)$(TargetName).public.pdb</StripPrivateSymbols>
     </Link>
   </ItemDefinitionGroup>
@@ -184,7 +184,7 @@
       <OptimizeReferences>true</OptimizeReferences>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <IgnoreAllDefaultLibraries>true</IgnoreAllDefaultLibraries>
-      <AdditionalDependencies>%(AdditionalDependencies);rpcrt4.lib</AdditionalDependencies>
+      <AdditionalDependencies>%(AdditionalDependencies);rpcrt4.lib;userenv.lib</AdditionalDependencies>
       <StripPrivateSymbols>$(OutDir)$(TargetName).public.pdb</StripPrivateSymbols>
     </Link>
   </ItemDefinitionGroup>
@@ -197,7 +197,6 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
-    <ClInclude Include="..\..\..\src\launcher\launcher.h" />
     <ClInclude Include="..\..\..\src\shared\minimal.h" />
   </ItemGroup>
   <ItemGroup>

build/VStudio/tools/launcher.vcxproj.filters

@@ -21,9 +21,6 @@
     <ClInclude Include="..\..\..\src\shared\minimal.h">
       <Filter>Include\shared</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\..\src\launcher\launcher.h">
-      <Filter>Source</Filter>
-    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="..\..\..\src\launcher\launcher-version.rc">

build/VStudio/version.properties

@@ -7,7 +7,8 @@
         <!-- git revision -->
         <MyGitRoot>$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), .git/HEAD))</MyGitRoot>
         <MyGitHead>$([System.IO.File]::ReadAllText($(MyGitRoot)/.git/HEAD).Trim())</MyGitHead>
-        <MyGitRevision Condition="$(MyGitHead.StartsWith(ref: ))">$([System.IO.File]::ReadAllText($(MyGitRoot)/.git/$(MyGitHead.Substring(5))).Trim().Substring(0, 7))</MyGitRevision>
+        <MyGitRevision Condition="$(MyGitHead.StartsWith(ref: )) And  Exists('$(MyGitRoot)/.git/$(MyGitHead.Substring(5))')">$([System.IO.File]::ReadAllText($(MyGitRoot)/.git/$(MyGitHead.Substring(5))).Trim().Substring(0, 7))</MyGitRevision>
+        <MyGitRevision Condition="$(MyGitHead.StartsWith(ref: )) And !Exists('$(MyGitRoot)/.git/$(MyGitHead.Substring(5))')">$([System.Text.RegularExpressions.Regex]::Match($([System.IO.File]::ReadAllText($(MyGitRoot)/.git/packed-refs)), '[0-9a-fA-F]{40,}.*$(MyGitHead.Substring(5))').Value.Substring(0, 7))</MyGitRevision>
         <MyGitRevision Condition="!$(MyGitHead.StartsWith(ref: ))">$(MyGitHead.Substring(0, 7))</MyGitRevision>
 
         <MyProductName>WinFsp</MyProductName>
@@ -15,14 +16,17 @@
         <MyCompanyName>Navimatics Corporation</MyCompanyName>
         <MyCopyright>2015-$([System.DateTime]::Now.ToString(`yyyy`)) Bill Zissimopoulos</MyCopyright>
 
-        <MyCanonicalVersion>1.0</MyCanonicalVersion>
+        <MyCanonicalVersion>1.3</MyCanonicalVersion>
 
-        <MyProductVersion>2017 RC2</MyProductVersion>
-        <MyProductStage>RC</MyProductStage>
+        <MyProductVersion>2018.1 B3</MyProductVersion>
+        <MyProductStage>Beta</MyProductStage>
 
         <MyVersion>$(MyCanonicalVersion).$(MyBuildNumber)</MyVersion>
         <MyVersionWithCommas>$(MyVersion.Replace('.',',')),0</MyVersionWithCommas>
         <MyFullVersion>$(MyCanonicalVersion).$(MyBuildNumber).$(MyGitRevision)</MyFullVersion>
+
+        <MyAssemblyPolicyVersion>$(MyCanonicalVersion.Substring(0,$(MyVersion.IndexOf('.')))).0</MyAssemblyPolicyVersion>
+        <MyAssemblyVersion>$(MyAssemblyPolicyVersion).0.0</MyAssemblyVersion>
     </PropertyGroup>
 
     <ItemDefinitionGroup>

build/VStudio/winfsp.sln

@@ -32,19 +32,6 @@ Project("{930C7802-8A8C-48F9-8165-68863BCCD9DD}") = "winfsp_msi", "installer\win
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "CustomActions", "installer\CustomActions\CustomActions.vcxproj", "{95C223E6-B5F1-4FD0-9376-41CDBC824445}"
 EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "launcher", "launcher", "{FD28A504-431E-49B9-BB8C-DCA0E7019F66}"
-EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "launcher", "launcher\launcher.vcxproj", "{A5EFD487-0140-4184-8C54-FFAEC2F85E35}"
-	ProjectSection(ProjectDependencies) = postProject
-		{4A7C0B21-9E10-4C81-92DE-1493EFCF24EB} = {4A7C0B21-9E10-4C81-92DE-1493EFCF24EB}
-		{C85C26BA-8C22-4D30-83DA-46C3548E6332} = {C85C26BA-8C22-4D30-83DA-46C3548E6332}
-	EndProjectSection
-EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "launchctl", "launcher\launchctl.vcxproj", "{73EAAEDA-557B-48D5-A137-328934720FB4}"
-	ProjectSection(ProjectDependencies) = postProject
-		{A5EFD487-0140-4184-8C54-FFAEC2F85E35} = {A5EFD487-0140-4184-8C54-FFAEC2F85E35}
-	EndProjectSection
-EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "fscrash", "testing\fscrash.vcxproj", "{10757011-749D-4954-873B-AE38D8145472}"
 	ProjectSection(ProjectDependencies) = postProject
 		{4A7C0B21-9E10-4C81-92DE-1493EFCF24EB} = {4A7C0B21-9E10-4C81-92DE-1493EFCF24EB}
@@ -53,146 +40,256 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "fscrash", "testing\fscrash.
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "fsbench", "testing\fsbench.vcxproj", "{C4E1E9E5-0959-488E-8C6A-C327CC81BEFB}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "winfsp.net", "dotnet\winfsp.net.csproj", "{94580219-CC8D-4FE5-A3BE-437B0B3481E1}"
+	ProjectSection(ProjectDependencies) = postProject
+		{4A7C0B21-9E10-4C81-92DE-1493EFCF24EB} = {4A7C0B21-9E10-4C81-92DE-1493EFCF24EB}
+		{C85C26BA-8C22-4D30-83DA-46C3548E6332} = {C85C26BA-8C22-4D30-83DA-46C3548E6332}
+	EndProjectSection
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "dotnet", "dotnet", "{A998CEC4-4B34-43DC-8457-F7761228BA67}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "memfs-dotnet", "testing\memfs-dotnet.csproj", "{4920E350-D496-4652-AE98-6C4208AEC1D8}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "tools", "tools", "{04A4762C-FAB9-4196-9AC8-0757F3E8AB79}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "launcher", "tools\launcher.vcxproj", "{6CDF9411-B852-4EAC-822D-8F930675F17B}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "launchctl", "tools\launchctl.vcxproj", "{264A5D09-126F-4760-A3F1-4B3B95C925AA}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "fsptool", "tools\fsptool.vcxproj", "{1E997BEC-1642-4A5C-B252-852DA094E11E}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
 		Debug|x64 = Debug|x64
 		Debug|x86 = Debug|x86
+		Installer.Debug|Any CPU = Installer.Debug|Any CPU
 		Installer.Debug|x64 = Installer.Debug|x64
 		Installer.Debug|x86 = Installer.Debug|x86
+		Installer.Release|Any CPU = Installer.Release|Any CPU
 		Installer.Release|x64 = Installer.Release|x64
 		Installer.Release|x86 = Installer.Release|x86
+		Release|Any CPU = Release|Any CPU
 		Release|x64 = Release|x64
 		Release|x86 = Release|x86
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
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-		{C4E1E9E5-0959-488E-8C6A-C327CC81BEFB}.Installer.Release|x86.Build.0 = Release|Win32
+		{C4E1E9E5-0959-488E-8C6A-C327CC81BEFB}.Release|Any CPU.ActiveCfg = Release|Win32
 		{C4E1E9E5-0959-488E-8C6A-C327CC81BEFB}.Release|x64.ActiveCfg = Release|x64
 		{C4E1E9E5-0959-488E-8C6A-C327CC81BEFB}.Release|x64.Build.0 = Release|x64
 		{C4E1E9E5-0959-488E-8C6A-C327CC81BEFB}.Release|x86.ActiveCfg = Release|Win32
 		{C4E1E9E5-0959-488E-8C6A-C327CC81BEFB}.Release|x86.Build.0 = Release|Win32
+		{94580219-CC8D-4FE5-A3BE-437B0B3481E1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{94580219-CC8D-4FE5-A3BE-437B0B3481E1}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{94580219-CC8D-4FE5-A3BE-437B0B3481E1}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{94580219-CC8D-4FE5-A3BE-437B0B3481E1}.Debug|x64.Build.0 = Debug|Any CPU
+		{94580219-CC8D-4FE5-A3BE-437B0B3481E1}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{94580219-CC8D-4FE5-A3BE-437B0B3481E1}.Debug|x86.Build.0 = Debug|Any CPU
+		{94580219-CC8D-4FE5-A3BE-437B0B3481E1}.Installer.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{94580219-CC8D-4FE5-A3BE-437B0B3481E1}.Installer.Debug|x64.ActiveCfg = Debug|Any CPU
+		{94580219-CC8D-4FE5-A3BE-437B0B3481E1}.Installer.Debug|x86.ActiveCfg = Debug|Any CPU
+		{94580219-CC8D-4FE5-A3BE-437B0B3481E1}.Installer.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{94580219-CC8D-4FE5-A3BE-437B0B3481E1}.Installer.Release|x64.ActiveCfg = Release|Any CPU
+		{94580219-CC8D-4FE5-A3BE-437B0B3481E1}.Installer.Release|x86.ActiveCfg = Release|Any CPU
+		{94580219-CC8D-4FE5-A3BE-437B0B3481E1}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{94580219-CC8D-4FE5-A3BE-437B0B3481E1}.Release|Any CPU.Build.0 = Release|Any CPU
+		{94580219-CC8D-4FE5-A3BE-437B0B3481E1}.Release|x64.ActiveCfg = Release|Any CPU
+		{94580219-CC8D-4FE5-A3BE-437B0B3481E1}.Release|x64.Build.0 = Release|Any CPU
+		{94580219-CC8D-4FE5-A3BE-437B0B3481E1}.Release|x86.ActiveCfg = Release|Any CPU
+		{94580219-CC8D-4FE5-A3BE-437B0B3481E1}.Release|x86.Build.0 = Release|Any CPU
+		{4920E350-D496-4652-AE98-6C4208AEC1D8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{4920E350-D496-4652-AE98-6C4208AEC1D8}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{4920E350-D496-4652-AE98-6C4208AEC1D8}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{4920E350-D496-4652-AE98-6C4208AEC1D8}.Debug|x64.Build.0 = Debug|Any CPU
+		{4920E350-D496-4652-AE98-6C4208AEC1D8}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{4920E350-D496-4652-AE98-6C4208AEC1D8}.Debug|x86.Build.0 = Debug|Any CPU
+		{4920E350-D496-4652-AE98-6C4208AEC1D8}.Installer.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{4920E350-D496-4652-AE98-6C4208AEC1D8}.Installer.Debug|x64.ActiveCfg = Debug|Any CPU
+		{4920E350-D496-4652-AE98-6C4208AEC1D8}.Installer.Debug|x86.ActiveCfg = Debug|Any CPU
+		{4920E350-D496-4652-AE98-6C4208AEC1D8}.Installer.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{4920E350-D496-4652-AE98-6C4208AEC1D8}.Installer.Release|x64.ActiveCfg = Release|Any CPU
+		{4920E350-D496-4652-AE98-6C4208AEC1D8}.Installer.Release|x86.ActiveCfg = Release|Any CPU
+		{4920E350-D496-4652-AE98-6C4208AEC1D8}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{4920E350-D496-4652-AE98-6C4208AEC1D8}.Release|Any CPU.Build.0 = Release|Any CPU
+		{4920E350-D496-4652-AE98-6C4208AEC1D8}.Release|x64.ActiveCfg = Release|Any CPU
+		{4920E350-D496-4652-AE98-6C4208AEC1D8}.Release|x64.Build.0 = Release|Any CPU
+		{4920E350-D496-4652-AE98-6C4208AEC1D8}.Release|x86.ActiveCfg = Release|Any CPU
+		{4920E350-D496-4652-AE98-6C4208AEC1D8}.Release|x86.Build.0 = Release|Any CPU
+		{6CDF9411-B852-4EAC-822D-8F930675F17B}.Debug|Any CPU.ActiveCfg = Debug|Win32
+		{6CDF9411-B852-4EAC-822D-8F930675F17B}.Debug|x64.ActiveCfg = Debug|x64
+		{6CDF9411-B852-4EAC-822D-8F930675F17B}.Debug|x64.Build.0 = Debug|x64
+		{6CDF9411-B852-4EAC-822D-8F930675F17B}.Debug|x86.ActiveCfg = Debug|Win32
+		{6CDF9411-B852-4EAC-822D-8F930675F17B}.Debug|x86.Build.0 = Debug|Win32
+		{6CDF9411-B852-4EAC-822D-8F930675F17B}.Installer.Debug|Any CPU.ActiveCfg = Release|x64
+		{6CDF9411-B852-4EAC-822D-8F930675F17B}.Installer.Debug|x64.ActiveCfg = Debug|x64
+		{6CDF9411-B852-4EAC-822D-8F930675F17B}.Installer.Debug|x86.ActiveCfg = Debug|Win32
+		{6CDF9411-B852-4EAC-822D-8F930675F17B}.Installer.Release|Any CPU.ActiveCfg = Release|x64
+		{6CDF9411-B852-4EAC-822D-8F930675F17B}.Installer.Release|x64.ActiveCfg = Release|x64
+		{6CDF9411-B852-4EAC-822D-8F930675F17B}.Installer.Release|x86.ActiveCfg = Release|Win32
+		{6CDF9411-B852-4EAC-822D-8F930675F17B}.Release|Any CPU.ActiveCfg = Release|Win32
+		{6CDF9411-B852-4EAC-822D-8F930675F17B}.Release|x64.ActiveCfg = Release|x64
+		{6CDF9411-B852-4EAC-822D-8F930675F17B}.Release|x64.Build.0 = Release|x64
+		{6CDF9411-B852-4EAC-822D-8F930675F17B}.Release|x86.ActiveCfg = Release|Win32
+		{6CDF9411-B852-4EAC-822D-8F930675F17B}.Release|x86.Build.0 = Release|Win32
+		{264A5D09-126F-4760-A3F1-4B3B95C925AA}.Debug|Any CPU.ActiveCfg = Debug|Win32
+		{264A5D09-126F-4760-A3F1-4B3B95C925AA}.Debug|x64.ActiveCfg = Debug|x64
+		{264A5D09-126F-4760-A3F1-4B3B95C925AA}.Debug|x64.Build.0 = Debug|x64
+		{264A5D09-126F-4760-A3F1-4B3B95C925AA}.Debug|x86.ActiveCfg = Debug|Win32
+		{264A5D09-126F-4760-A3F1-4B3B95C925AA}.Debug|x86.Build.0 = Debug|Win32
+		{264A5D09-126F-4760-A3F1-4B3B95C925AA}.Installer.Debug|Any CPU.ActiveCfg = Release|x64
+		{264A5D09-126F-4760-A3F1-4B3B95C925AA}.Installer.Debug|x64.ActiveCfg = Debug|x64
+		{264A5D09-126F-4760-A3F1-4B3B95C925AA}.Installer.Debug|x86.ActiveCfg = Debug|Win32
+		{264A5D09-126F-4760-A3F1-4B3B95C925AA}.Installer.Release|Any CPU.ActiveCfg = Release|x64
+		{264A5D09-126F-4760-A3F1-4B3B95C925AA}.Installer.Release|x64.ActiveCfg = Release|x64
+		{264A5D09-126F-4760-A3F1-4B3B95C925AA}.Installer.Release|x86.ActiveCfg = Release|Win32
+		{264A5D09-126F-4760-A3F1-4B3B95C925AA}.Release|Any CPU.ActiveCfg = Release|Win32
+		{264A5D09-126F-4760-A3F1-4B3B95C925AA}.Release|x64.ActiveCfg = Release|x64
+		{264A5D09-126F-4760-A3F1-4B3B95C925AA}.Release|x64.Build.0 = Release|x64
+		{264A5D09-126F-4760-A3F1-4B3B95C925AA}.Release|x86.ActiveCfg = Release|Win32
+		{264A5D09-126F-4760-A3F1-4B3B95C925AA}.Release|x86.Build.0 = Release|Win32
+		{1E997BEC-1642-4A5C-B252-852DA094E11E}.Debug|Any CPU.ActiveCfg = Debug|Win32
+		{1E997BEC-1642-4A5C-B252-852DA094E11E}.Debug|x64.ActiveCfg = Debug|x64
+		{1E997BEC-1642-4A5C-B252-852DA094E11E}.Debug|x64.Build.0 = Debug|x64
+		{1E997BEC-1642-4A5C-B252-852DA094E11E}.Debug|x86.ActiveCfg = Debug|Win32
+		{1E997BEC-1642-4A5C-B252-852DA094E11E}.Debug|x86.Build.0 = Debug|Win32
+		{1E997BEC-1642-4A5C-B252-852DA094E11E}.Installer.Debug|Any CPU.ActiveCfg = Release|x64
+		{1E997BEC-1642-4A5C-B252-852DA094E11E}.Installer.Debug|x64.ActiveCfg = Debug|x64
+		{1E997BEC-1642-4A5C-B252-852DA094E11E}.Installer.Debug|x86.ActiveCfg = Debug|Win32
+		{1E997BEC-1642-4A5C-B252-852DA094E11E}.Installer.Release|Any CPU.ActiveCfg = Release|x64
+		{1E997BEC-1642-4A5C-B252-852DA094E11E}.Installer.Release|x64.ActiveCfg = Release|x64
+		{1E997BEC-1642-4A5C-B252-852DA094E11E}.Installer.Release|x86.ActiveCfg = Release|Win32
+		{1E997BEC-1642-4A5C-B252-852DA094E11E}.Release|Any CPU.ActiveCfg = Release|Win32
+		{1E997BEC-1642-4A5C-B252-852DA094E11E}.Release|x64.ActiveCfg = Release|x64
+		{1E997BEC-1642-4A5C-B252-852DA094E11E}.Release|x64.Build.0 = Release|x64
+		{1E997BEC-1642-4A5C-B252-852DA094E11E}.Release|x86.ActiveCfg = Release|Win32
+		{1E997BEC-1642-4A5C-B252-852DA094E11E}.Release|x86.Build.0 = Release|Win32
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -202,9 +299,12 @@ Global
 		{AA7190E8-877F-4827-8CDD-E0D85F83C8C1} = {69439FD1-C07D-4BF1-98DC-3CCFECE53A49}
 		{D53AAC39-4C57-4CA5-A4F3-C2B24888C594} = {B464EF06-42AE-4674-81BB-FDDE80204822}
 		{95C223E6-B5F1-4FD0-9376-41CDBC824445} = {B464EF06-42AE-4674-81BB-FDDE80204822}
-		{A5EFD487-0140-4184-8C54-FFAEC2F85E35} = {FD28A504-431E-49B9-BB8C-DCA0E7019F66}
-		{73EAAEDA-557B-48D5-A137-328934720FB4} = {FD28A504-431E-49B9-BB8C-DCA0E7019F66}
 		{10757011-749D-4954-873B-AE38D8145472} = {69439FD1-C07D-4BF1-98DC-3CCFECE53A49}
 		{C4E1E9E5-0959-488E-8C6A-C327CC81BEFB} = {69439FD1-C07D-4BF1-98DC-3CCFECE53A49}
+		{94580219-CC8D-4FE5-A3BE-437B0B3481E1} = {A998CEC4-4B34-43DC-8457-F7761228BA67}
+		{4920E350-D496-4652-AE98-6C4208AEC1D8} = {69439FD1-C07D-4BF1-98DC-3CCFECE53A49}
+		{6CDF9411-B852-4EAC-822D-8F930675F17B} = {04A4762C-FAB9-4196-9AC8-0757F3E8AB79}
+		{264A5D09-126F-4760-A3F1-4B3B95C925AA} = {04A4762C-FAB9-4196-9AC8-0757F3E8AB79}
+		{1E997BEC-1642-4A5C-B252-852DA094E11E} = {04A4762C-FAB9-4196-9AC8-0757F3E8AB79}
 	EndGlobalSection
 EndGlobal

build/VStudio/winfsp_dll.vcxproj

@@ -25,7 +25,9 @@
     <ClInclude Include="..\..\inc\fuse\fuse_opt.h" />
     <ClInclude Include="..\..\inc\fuse\winfsp_fuse.h" />
     <ClInclude Include="..\..\inc\winfsp\fsctl.h" />
+    <ClInclude Include="..\..\inc\winfsp\launch.h" />
     <ClInclude Include="..\..\inc\winfsp\winfsp.h" />
+    <ClInclude Include="..\..\inc\winfsp\winfsp.hpp" />
     <ClInclude Include="..\..\src\dll\fuse\library.h" />
     <ClInclude Include="..\..\src\dll\library.h" />
     <ClInclude Include="..\..\src\shared\minimal.h" />
@@ -34,9 +36,11 @@
     <ClCompile Include="..\..\src\dll\dirbuf.c" />
     <ClCompile Include="..\..\src\dll\eventlog.c" />
     <ClCompile Include="..\..\src\dll\fuse\fuse.c" />
+    <ClCompile Include="..\..\src\dll\fuse\fuse_compat.c" />
     <ClCompile Include="..\..\src\dll\fuse\fuse_intf.c" />
     <ClCompile Include="..\..\src\dll\fuse\fuse_main.c" />
     <ClCompile Include="..\..\src\dll\fuse\fuse_opt.c" />
+    <ClCompile Include="..\..\src\dll\launch.c" />
     <ClCompile Include="..\..\src\dll\np.c" />
     <ClCompile Include="..\..\src\dll\posix.c" />
     <ClCompile Include="..\..\src\dll\security.c" />
@@ -49,6 +53,7 @@
     <ClCompile Include="..\..\src\dll\path.c" />
     <ClCompile Include="..\..\src\dll\service.c" />
     <ClCompile Include="..\..\src\dll\util.c" />
+    <ClCompile Include="..\..\src\dll\wksid.c" />
   </ItemGroup>
   <ItemGroup>
     <CustomBuild Include="..\..\src\dll\fuse\fuse.pc.in">

build/VStudio/winfsp_dll.vcxproj.filters

@@ -50,6 +50,12 @@
     <ClInclude Include="..\..\src\dll\fuse\library.h">
       <Filter>Source\fuse</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\inc\winfsp\winfsp.hpp">
+      <Filter>Include\winfsp</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\inc\winfsp\launch.h">
+      <Filter>Include\winfsp</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\..\src\dll\library.c">
@@ -106,6 +112,15 @@
     <ClCompile Include="..\..\src\dll\dirbuf.c">
       <Filter>Source</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\src\dll\fuse\fuse_compat.c">
+      <Filter>Source\fuse</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\src\dll\wksid.c">
+      <Filter>Source</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\src\dll\launch.c">
+      <Filter>Source</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <None Include="..\..\src\dll\library.def">

build/VStudio/winfsp_sys.vcxproj

@@ -173,7 +173,9 @@
     <ClCompile Include="..\..\src\sys\ioq.c" />
     <ClCompile Include="..\..\src\sys\lockctl.c" />
     <ClCompile Include="..\..\src\sys\meta.c" />
+    <ClCompile Include="..\..\src\sys\mup.c" />
     <ClCompile Include="..\..\src\sys\name.c" />
+    <ClCompile Include="..\..\src\sys\psbuffer.c" />
     <ClCompile Include="..\..\src\sys\read.c" />
     <ClCompile Include="..\..\src\sys\security.c" />
     <ClCompile Include="..\..\src\sys\shutdown.c" />

build/VStudio/winfsp_sys.vcxproj.filters

@@ -98,6 +98,12 @@
     <ClCompile Include="..\..\src\sys\statistics.c">
       <Filter>Source</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\src\sys\psbuffer.c">
+      <Filter>Source</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\src\sys\mup.c">
+      <Filter>Source</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\src\sys\driver.h">

build/choco/LICENSE.txt

@@ -0,0 +1,4 @@
+From: https://github.com/billziss-gh/winfsp/blob/master/License.txt
+
+LICENSE
+

build/choco/VERIFICATION.txt

@@ -0,0 +1,15 @@
+VERIFICATION
+Verification is intended to assist the Chocolatey moderators and community
+in verifying that this package's contents are trustworthy.
+
+WinFsp GitHub repository: https://github.com/billziss-gh/winfsp
+WinFsp MSI releases     : https://github.com/billziss-gh/winfsp/releases
+
+You may use the Windows certutil utility to confirm the hash of the MSI
+included in this package against the WinFsp MSI release of the same version.
+For example, for WinFsp version 1.0.17072 the command line to use is:
+
+    certutil -hashfile winfsp-1.0.17072.msi SHA256
+
+The certutil output of the MSI in this package is included below.
+

build/choco/chocolateyHelper.ps1

@@ -0,0 +1,36 @@
+$ErrorActionPreference = 'Stop';
+
+$packageName = 'winfsp'
+$softwareName = 'WinFsp*'
+$installerType = 'msi'
+$silentArgs = '/qn /norestart'
+$validExitCodes = @(0, 3010, 1605, 1614, 1641)
+
+[array]$key = Get-UninstallRegistryKey -SoftwareName $softwareName
+
+if ($key.Count -eq 1) {
+    $key | % {
+        # The Product Code GUID is all that should be passed for MSI, and very
+        # FIRST, because it comes directly after /x, which is already set in the
+        # Uninstall-ChocolateyPackage msiargs (facepalm).
+        $silentArgs = "$($_.PSChildName) $silentArgs"
+
+        # Don't pass anything for file, it is ignored for msi (facepalm number 2)
+        # Alternatively if you need to pass a path to an msi, determine that and
+        # use it instead of the above in silentArgs, still very first
+        $file = ''
+
+        Uninstall-ChocolateyPackage `
+            -PackageName $packageName `
+            -FileType $installerType `
+            -SilentArgs "$silentArgs" `
+            -ValidExitCodes $validExitCodes `
+            -File "$file"
+    }
+} elseif ($key.Count -eq 0) {
+    # Write-Warning "$packageName is not installed"
+} elseif ($key.Count -gt 1) {
+    Write-Warning "Too many matching packages found! Package may not be uninstalled."
+    Write-Warning "Please alert package maintainer the following packages were matched:"
+    $key | % {Write-Warning "- $_"}
+}

build/choco/chocolateyInstall.ps1

@@ -0,0 +1,14 @@
+$ErrorActionPreference = 'Stop';
+
+$toolsDir = "$(Split-Path -parent $MyInvocation.MyCommand.Definition)"
+. "$toolsdir\chocolateyHelper.ps1"
+
+$packageArgs = @{
+    packageName     = 'winfsp'
+    fileType        = 'msi'
+    file            = @(Get-ChildItem $toolsDir -filter winfsp-*.msi)[0].FullName
+    silentArgs      = "/qn /norestart INSTALLLEVEL=1000"
+    validExitCodes  = @(0, 3010, 1641)
+}
+Install-ChocolateyInstallPackage @packageArgs
+Remove-Item -Force $packageArgs.file

build/choco/chocolateyUninstall.ps1

@@ -0,0 +1,4 @@
+$ErrorActionPreference = 'Stop';
+
+$toolsDir = "$(Split-Path -parent $MyInvocation.MyCommand.Definition)"
+. "$toolsdir\chocolateyHelper.ps1"

build/choco/winfsp.nuspec

@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="utf-8"?>
+<package xmlns="http://schemas.microsoft.com/packaging/2015/06/nuspec.xsd">
+    <metadata>
+        <id>winfsp</id>
+        <version>$version$</version>
+        <packageSourceUrl>https://github.com/billziss-gh/winfsp/tree/master/build/choco</packageSourceUrl>
+        <owners>Bill Zissimopoulos</owners>
+
+        <title>WinFsp</title>
+        <authors>Bill Zissimopoulos</authors>
+        <projectUrl>https://github.com/billziss-gh/winfsp</projectUrl>
+        <iconUrl>https://github.com/billziss-gh/winfsp/raw/master/art/winfsp-solid.png</iconUrl>
+        <copyright>Bill Zissimopoulos</copyright>
+        <licenseUrl>https://github.com/billziss-gh/winfsp/blob/master/License.txt</licenseUrl>
+        <requireLicenseAcceptance>false</requireLicenseAcceptance>
+        <projectSourceUrl>https://github.com/billziss-gh/winfsp</projectSourceUrl>
+        <docsUrl>https://github.com/billziss-gh/winfsp/tree/master/doc</docsUrl>
+        <mailingListUrl>https://groups.google.com/forum/#!forum/winfsp</mailingListUrl>
+        <bugTrackerUrl>https://github.com/billziss-gh/winfsp/issues</bugTrackerUrl>
+        <tags>driver filesystem fuse gplv3 windows-kernel admin</tags>
+        <summary>Windows File System Proxy - FUSE for Windows</summary>
+        <description>
+WinFsp is a set of software components for Windows computers that allows the creation of user mode file systems. In this sense it is similar to FUSE (Filesystem in Userspace), which provides the same functionality on UNIX-like computers.
+
+Some of the benefits of using WinFsp are listed below:
+
+* Very well-tested and stable.
+* Very fast.
+* Strives for compatibility with NTFS.
+* Easy to understand but comprehensive API.
+* FUSE compatibility layer for native Windows and Cygwin.
+* Signed drivers provided on every release.
+* Available under the GPLv3 license with a special exception for Free/Libre and Open Source Software.
+
+To verify installation:
+
+* For 64-bit Windows: `net use m: \\memfs64\share` from the command prompt.
+* For 32-bit Windows: `net use m: \\memfs32\share`
+* For Cygwin: `net use m: '\\memfs64\share'`
+* To delete the drive: `net use m: /delete`
+        </description>
+        <releaseNotes>https://github.com/billziss-gh/winfsp/blob/master/Changelog.asciidoc</releaseNotes>
+
+        <!--<dependencies>
+            <dependency id="chocolatey-uninstall.extension" />
+        </dependencies>-->
+    </metadata>
+
+    <files>
+        <file src="LICENSE.txt" target="tools" />
+        <file src="VERIFICATION.txt" target="tools" />
+        <file src="chocolateyInstall.ps1" target="tools" />
+        <file src="chocolateyUninstall.ps1" target="tools" />
+        <file src="chocolateyHelper.ps1" target="tools" />
+        <file src="winfsp-$version$.msi" target="tools" />
+    </files>
+</package>

doc/Frequently-Asked-Questions.asciidoc

@@ -0,0 +1,72 @@
+= Frequently Asked Questions
+
+== General
+
+[qanda]
+
+I am running Windows 7 and I am finding that the installed driver is not signed.::
+
+	Your Windows 7 OS is missing SHA-2 Code Signing Support. You need to install the following security advisory that will rectify the problem:
+	https://technet.microsoft.com/en-us/library/security/3033929.aspx
+
+
+Disconnecting (unmapping) a network drive does not work.::
+
+    You may have Dokany installed. Dokany installs its own Network Provider DLL that unfortunately interferes with the WinFsp handling of network drives. The solution is to change your system's Network Provider order and ensure that the WinFsp Network Provider runs before the Dokany one. Instructions on how to change the Network Provider order can be found in this http://blogs.interfacett.com/changing-the-network-provider-order-in-windows-10[article].
+
+
+Case-sensitive file systems do not work properly when mounted as a directory.::
+
+    Windows and WinFsp support case-sensitive file systems. These file systems work properly when mounted as a drive. Unfortunately when a file system is mounted as a directory over NTFS, Windows expects it to be case-insensitive and will UPPERCASE many of the file names sent to the file system.
++
+This is an unfortunate but well understood Windows limitation. Case-sensitive file systems should only be mounted as drives.
+
+
+Why is the DLL not installed in the Windows system directories?::
+
+    It is true that this would make it convenient to load the DLL, because the Windows loader looks into the Windows system directories when it loads DLL's. However, in the opinion of the WinFsp author, software that does not ship with the OS should not be installing components in the system directories.
++
+There are a few alternative methods to overcome this problem. WinFsp recommends marking the WinFsp DLL as "delay load" and then using `FspLoad` to dynamically load the DLL during process initialization. For more information see the WinFsp Tutorial.
+
+
+Does WinFsp provide debugging symbols?::
+
+    Public debugging symbols are already included in the installer. You need to install the "Developer" feature; the symbols can be found in the `sym` directory under the WinFsp installation directory.
+
+
+Is there a maximum number of concurrent file systems?::
+
+    WinFsp does not have a hard limit of how many file systems can be created or how many processes can create file systems.
++
+As of the commits required to fix issue #55, there is however a hash table inside the FSD that uses PID's (Process ID's) as keys. This hash table currently expects that in general there will not be more than 50 processes creating file systems. However this is not a hard limit.
+
+
+== FUSE
+
+[qanda]
+
+Which version of FUSE does WinFsp-FUSE support?::
+
+    Currently it supports FUSE 2.8.
+
+
+FUSE on UNIX systems mounts file systems over an existing directory. When mounting a WinFsp-FUSE file system on a directory, the directory is created and later deleted when the file system goes away. What is the reason for this incompatibility?::
+
+    It would be preferrable if WinFsp-FUSE behaved like FUSE on UNIX in this instance. However there are a number of reasons that this is not the case.
++
+When mounting over directories in Windows, WinFsp-FUSE uses a special construct called a reparse point. Reparse points are a general mechanism for adding special behavior to files and directories. One of the possible reparse points is the "mountpoint" reparse point (often called "junction"), which converts a directory into a mount point.
++
+With this in mind here are the reasons for the current WinFsp-FUSE behavior:
++
+- Symmetry with mounting on a drive. On Windows drives are created when the file system comes into existence and deleted when it is gone.
+- Inability to mount over a non-empty directory on Windows. On FUSE/UNIX this is possible, but not on Windows because NTFS disallows the creation of (mountpoint) reparse points on non-empty directories.
+- Most importantly: inability to guarantee that the mount point will cease to exist if the file system crashes. WinFsp attempts to guarantee that all resources used by a file system will get cleaned up. This is certainly true for the kernel-mode FSD, but an attempt is made to do so also in user mode. For this reason, drive symbolic links are marked as temporary and (importantly for our discussion) mount directories are opened with `FILE_FLAG_DELETE_ON_CLOSE`. There is no way to guarantee the removal of a reparse point in the same way.
+
+
+WinFsp-FUSE does not have the ability to support multiple file systems from within the same process. Why?::
+
+    The core WinFsp layer supports multiple file systems in the same process either simultaneously or one after another. However this is not the case with WinFsp-FUSE (i.e. the FUSE layer of WinFsp).
++
+File systems in Windows often need to be run as services. For this reason the WinFsp-FUSE layer provides both file system and Windows service API functionality. This way a WinFsp-FUSE file system can easily become a Windows service. There is a problem: once a Windows process starts acting as a service and then stops being a service, it cannot become a service again.
++
+Having FUSE file systems being able to act as Windows services is valuable. Therefore this is not a limitation that can easily be fixed as FUSE file systems would lose the "free" ability to act as Windows services.

doc/Home.md

@@ -0,0 +1,33 @@
+# WinFsp - Windows File System Proxy
+
+[[WinFsp-Icon.png]]
+
+Developing file systems is a challenging proposition. Developing file systems for Windows is an order of magnitude more difficult. WinFsp eases the task of writing a new file system for Windows. WinFsp file systems are user mode programs and they can be written in a variety of languages and frameworks.
+
+The documentation available here discusses various aspects of WinFsp.
+
+## Programming
+
+- The [[Tutorial|WinFsp-Tutorial]] describes how to create a simple, but complete file system in C/C++.
+- The [[API Reference|WinFsp-API-winfsp.h]] describes the native WinFsp API. This external [[link|http://www.secfs.net/winfsp/apiref/]] may be easier to browse for some people.
+- There is also a FUSE compatibility layer for native Windows and Cygwin. See fuse.h in the source repository.
+- This [[document|Native-API-vs-FUSE]] discusses the need for both a native API and FUSE and gives some pointers on which one to choose.
+
+## Design
+
+- The [[Design|WinFsp-Design]] document describes the high-level design of WinFsp.
+- The [[IPC|WinFsp-as-an-IPC-Mechanism]] document offers insights into the WinFsp Inter-Process Communication mechanism.
+- The [[Queued Events|Queued-Events]] document discusses a low-level synchronization primitive that is largely responsible for the excellent performance of the WinFsp IPC mechanism.
+- The [[Service Architecture|WinFsp-Service-Architecture]] document discusses how to intergrate a file system into Windows as a service and the reasons to do so.
+- The [[SSHFS Port Case Study|SSHFS-Port-Case-Study]] document chronicles the creation of the WinFsp-FUSE compatibility layer and the decisions that led to its design.
+
+## Testing
+
+- The [[Testing|WinFsp-Testing]] document discusses the WinFsp testing strategy and how WinFsp achieves correctness and stability.
+- The [[Performance|WinFsp-Performance-Testing]] document compares WinFsp performance against other file systems.
+
+## Compatibility
+
+- The [[Compatibility|NTFS-Compatibility]] document discusses current WinFsp compatibility with NTFS.
+
+WinFsp is available under the GPLv3 license with a special exception for Free/Libre and Open Source Software.

doc/Known-File-Systems.asciidoc

@@ -0,0 +1,22 @@
+= Known File Systems and File System Libraries
+
+This document contains a list of known file systems and file system libraries that run on WinFsp. Please contact the WinFsp project to have your file system solution added to this list.
+
+== File Systems
+
+- https://github.com/vgough/encfs[EncFS] - an Encrypted Filesystem for FUSE
+- https://github.com/ihaveamac/fuse-3ds[fuse-3ds] - FUSE Filesystem Python scripts for Nintendo 3DS files
+- https://github.com/FrKaram/KS2.Drive[KS2.Drive] - Mount a webDAV/AOS server as a local drive
+- https://github.com/billziss-gh/nfs-win[nfs-win] - NFS for Windows
+- https://github.com/ncw/rclone[rclone] - rsync for cloud storage
+- https://github.com/hasse69/rar2fs[rar2fs] - FUSE file system for reading RAR archives
+- https://github.com/billziss-gh/redditfs[redditfs] - ls -l /r/programming
+- https://github.com/netheril96/securefs[securefs] - Filesystem in userspace (FUSE) with transparent authenticated encryption
+- https://github.com/billziss-gh/sshfs-win[sshfs-win] - SSHFS for Windows
+
+== File System Libraries
+
+- https://github.com/billziss-gh/cgofuse[Go: cgofuse] - Cross-platform FUSE library for Go
+- https://github.com/DuroSoft/fuse-bindings[Nodejs: fuse-bindings] - Fully maintained FUSE bindings for Node that aims to cover the entire FUSE api
+- https://github.com/SerCeMan/jnr-fuse[Java: jnr-fuse] - FUSE implementation in Java using Java Native Runtime (JNR)
+- https://github.com/billziss-gh/fusepy[Python: fusepy] - Simple ctypes bindings for FUSE

doc/Queued-Events.asciidoc

@@ -0,0 +1,105 @@
+= Queued Events - Windows kernel events with IOCP scheduling characteristics
+
+In this article I am discussing _Queued Events_. _Queued Events_ are a Windows kernel synchronization mechanism that I invented for https://github.com/billziss-gh/winfsp[WinFsp - FUSE for Windows]. _Queued Events_ behave like kernel Synchronization Events (i.e. Win32 auto-reset events), but provide scheduling characteristics similar to those of I/O Completion Ports.
+
+== The Problem
+
+During the later stages of WinFsp development I decided to do some performance testing to understand its behavior and find opportunities for optimization. I found out that WinFsp performed very well in most tested scenarios, but there was one test that seemed to have bad performance for no particular reason.
+
+I ended up profiling this issue using xperf (included in the https://docs.microsoft.com/en-us/windows-hardware/test/wpt/[Windows Performance Toolkit]), which allows for kernel-level profiling. I spent considerable time looking at the profiling results, but could identify no obvious issue with my code.
+
+After a day or two of doing this and being stumped I finally had a lightbulb moment: what if the issue is not with my code, but with how the OS schedules threads? Sure enough I had xperf trace context switches and found that on good runs the OS would context switch my file system threads relatively rarely; on bad runs the OS would context switch my threads excessively.
+
+After contemplating this issue I realized that this was happening because the OS was trying to schedule my threads in a "fair" manner. Windows in general tries to give every thread a chance to run. This can be counter-productive in server-like programs (such as file systems), where all server threads are equivalent and it is actually better to reuse the same thread (if possible) to avoid context switching and other negative effects.
+
+== The Solution
+
+One way of looking at WinFsp is as an IPC (Inter-Process Communication) mechanism. The Windows kernel packages file system operations (open, close, read, write) as IRP's (I/O Request Packets) which it sends to WinFsp. WinFsp places them in an _I/O Queue_; at a later time the threads in a user mode file system retrieve the IRP's from the _I/O Queue_ and service them.
+
+The _I/O Queue_ had gone through multiple iterations, but at the time I was looking at this issue it was using Windows kernel Synchronization Event's (Win32 auto-reset events) for managing threads. The problem was that a wait on a Synchronization Event would be satisfied in a "fair" manner, thus resulting to excessive context switching and bad performance in some circumstances. I needed to find a way to convince Windows to schedule my threads in an "unfair" manner, giving preference to the same thread as much as possible.
+
+I started considering different schemes where I would associate a different event per thread thus being able to wake up the "correct" thread myself and effectively writing my own mini-scheduler. Luckily I had another lightbulb moment: I/O completion ports already do this better than I would ever be able to!
+
+The kernel portion of an I/O Completion Port is called a https://msdn.microsoft.com/en-us/library/windows/hardware/ff549547(v=vs.85).aspx[KQUEUE]. KQUEUE's are (unfortunately) not directly exposed to user mode, however they are at the core of the user mode I/O Completion Ports. KQUEUE's are the main reason I/O Completion Ports are so fast as they provide the following scheduling characteristics:
+
+- They have a Last-In First-Out (LIFO) wait discipline.
+- They limit the number of threads that can be satisfied concurrently.
+
+I briefly considered the idea of building _I/O Queues_ directly on top of KQUEUE's, but soon dismissed this idea because _I/O Queues_ are not simple queues but provide additional services, such as IRP cancelation, IRP expiration, etc.
+
+== Queued Events
+
+In an ideal scenario I wanted to continue using my implementation of _I/O Queues_ which had undergone considerable testing and I knew it worked. But somehow I had to convince the Windows kernel to change the scheduling characteristics of Synchronization Events to mirror those of a KQUEUE.
+
+Then I had lightbulb no 3: _Queued Events_ or how to make a queue behave like a Synchronization Event.
+
+Here is how _Queued Events_ work. A _Queued Event_ consists of a KQUEUE and a spin lock. There is also a single dummy item that can be placed in the KQUEUE.
+
+The KQUEUE is guaranteed to contain either 0 or 1 items. When the KQUEUE contains 0 items the _Queued Event_ is considered non-signaled. When the KQUEUE contains 1 items the _Queued Event_ is considered signaled.
+
+ifdef::env-browser[]
+[ditaa,file="Queued-Events/states.png"]
+--
+        Non signaled                                    Signaled
++---------------------------+                 +---------------------------+
+| Queued Event              |                 | Queued Event              |
++---------------------------+                 +---------------------------+
+|                           |                 |               +---------+ |
+|   KQUEUE        (empty)   |                 |   KQUEUE      |  DUMMY  | |
+|                           |                 |               +---------+ |
++---------------------------+                 +---------------------------+
+--
+endif::env-browser[]
+ifndef::env-browser[image::Queued-Events/states.png[]]
+
+To transition from the non-signaled to the signaled state, we acquire the spin lock and then insert the dummy item in the KQUEUE using https://msdn.microsoft.com/en-us/library/windows/hardware/ff549570(v=vs.85).aspx[KeInsertQueue]. To transition from the signaled to the non-signaled state, we simply (wait and) remove the dummy item from the KQUEUE using https://msdn.microsoft.com/en-us/library/windows/hardware/ff549605(v=vs.85).aspx[KeRemoveQueue] (without the use of the spin lock).
+
+----
+EventSet:
+    AcquireSpinLock
+    if (0 == KeReadState())          // if KQUEUE is empty
+        KeInsertQueue(DUMMY);
+    ReleaseSpinLock
+
+EventWait:
+    KeRemoveQueue();                 // (wait and) remove item
+----
+
+First notice that EventSet is serialized by the use of the spin lock. This guarantees that the dummy item can be only inserted ONCE in the KQUEUE and that the only possible signaled state transitions for EventSet are 0->1 and 1->1. This is how https://msdn.microsoft.com/en-us/library/windows/hardware/ff553253(v=vs.85).aspx[KeSetEvent] works for a Synchronization Event.
+
+Second notice that EventWait is not protected by the spin lock, which means that it can happen at any time including concurrently with EventSet or another EventWait. Notice also that for EventWait the only possible transitions are 1->0 or 0->0 (0->block->0). This is how https://msdn.microsoft.com/en-us/library/windows/hardware/ff553350(v=vs.85).aspx[KeWaitForSingleObject] works for a Synchronization Event.
+
+ifdef::env-browser[]
+[ditaa,file="Queued-Events/transitions.png"]
+--
+        Non signaled                                    Signaled
++---------------------------+                 +---------------------------+
+| Queued Event              |                 | Queued Event              |
++---------------------------+                 +---------------------------+
+|                           | ---EventSet --> |               +---------+ |
+|   KQUEUE        (empty)   |                 |   KQUEUE      |  DUMMY  | |
+|                           | <--EventWait--- |               +---------+ |
++---------------------------+                 +---------------------------+
+--
+endif::env-browser[]
+ifndef::env-browser[image::Queued-Events/transitions.png[]]
+
+We now have to consider what happens when we have one EventSet concurrently with one or more EventWait's:
+
+1. The EventWait(s) happen before https://msdn.microsoft.com/en-us/library/windows/hardware/ff549591(v=vs.85).aspx[KeReadState]. If the KQUEUE has an item one EventWait gets satisfied, otherwise it blocks. In this case KeReadState will read the KQUEUE's state as 0 and KeInsertQueue will insert the dummy item, which will unblock the EventWait.
+2. The EventWait(s) happen after KeReadState, but before KeInsertQueue. If the dummy item was already in the KQUEUE the KeReadState test will fail and KeInsertQueue will not be executed, but EventWait will be satisfied immediately. If the dummy item was not in the KQUEUE the KeReadState will succeed and EventWait will momentarily block until KeInsertQueue releases it.
+3. The EventWait(s) happen after KeInsertQueue. In this case the dummy item in is the KQUEUE already and one EventWait will be satisfied immediately.
+
+NOTE: _Queued Events_ cannot cleanly support an EventClear operation. The obvious choice of using KeRemoveQueue with a 0 timeout is insufficient because it would associate the current thread with the KQUEUE and that is not desirable. KeRundownQueue cannot be used either because it disassociates all threads from the KQUEUE.
+
+The complete implementation of _Queued Events_ within WinFsp can be found here: https://github.com/billziss-gh/winfsp/blob/v1.1/src/sys/driver.h#L655-L795
+
+== Queued Events Scheduling Characteristics
+
+Queued Events encapsulate KQUEUE's and therefore inherit their scheduling characteristics:
+
+- They have a Last-In First-Out (LIFO) wait discipline.
+- They limit the number of threads that can be satisfied concurrently.
+
+These characteristics are desirable because they reduce the number of context switches thus speeding up the WinFsp IPC implementation. Performance testing immediately after the incorporation of _Queued Events_ into WinFsp showed significant performance improvements; profiling with xperf showed that context switches among file system threads were now a relatively rare event!
+

doc/WinFsp-API-launch.h.asciidoc

@@ -0,0 +1,263 @@
+= winfsp/launch.h
+:author: (C) 2015-2018 Bill Zissimopoulos
+:toc: preamble
+:toc-title:
+
+WinFsp Launch API.
+
+In order to use the WinFsp Launch API a program must include <winfsp/launch.h>
+and link with the winfsp$$_$$x64.dll (or winfsp$$_$$x86.dll) library.
+
+== Launch Control
+
+=== Functions
+
+*FspLaunchCallLauncherPipe* - Call launcher pipe.
+
+[source,c]
+----
+FSP_API NTSTATUS FspLaunchCallLauncherPipe( 
+    WCHAR Command,
+    ULONG Argc,
+    PWSTR *Argv,
+    ULONG *Argl, 
+    PWSTR Buffer,
+    PULONG PSize,
+    PULONG PLauncherError);  
+----
+
+*Parameters*
+
+- _Command_ - Launcher command to send. For example, the 'L' launcher command instructs
+the launcher to list all running service instances.
+- _Argc_ - Command argument count. May be 0.
+- _Argv_ - Command argument array. May be NULL.
+- _Argl_ - Command argument length array. May be NULL. If this is NULL all command arguments
+are assumed to be NULL-terminated strings. It is also possible for specific arguments
+to be NULL-terminated; in this case pass -1 in the corresponding Argl position.
+- _Buffer_ - Buffer that receives the command response. May be NULL.
+- _PSize_ - Pointer to a ULONG. On input it contains the size of the Buffer. On output it
+contains the number of bytes transferred. May be NULL.
+- _PLauncherError_ - Receives the launcher error if any. This is always a Win32 error code. May not be NULL.
+
+*Return Value*
+
+STATUS$$_$$SUCCESS if the command is sent successfully to the launcher, even if the launcher
+returns an error. Other status codes indicate a communication error. Launcher errors are
+reported through PLauncherError.
+
+*Discussion*
+
+This function is used to send a command to the launcher and receive a response.
+
+
+*FspLaunchGetInfo* - Get information about a service instance.
+
+[source,c]
+----
+FSP_API NTSTATUS FspLaunchGetInfo( 
+    PWSTR ClassName,
+    PWSTR InstanceName, 
+    PWSTR Buffer,
+    PULONG PSize, 
+    PULONG PLauncherError);  
+----
+
+*Parameters*
+
+- _ClassName_ - Class name of the service instance to stop.
+- _InstanceName_ - Instance name of the service instance to stop.
+- _Buffer_ - Buffer that receives the command response. May be NULL.
+- _PSize_ - Pointer to a ULONG. On input it contains the size of the Buffer. On output it
+contains the number of bytes transferred. May be NULL.
+- _PLauncherError_ - Receives the launcher error if any. This is always a Win32 error code. May not be NULL.
+
+*Return Value*
+
+STATUS$$_$$SUCCESS if the command is sent successfully to the launcher, even if the launcher
+returns an error. Other status codes indicate a communication error. Launcher errors are
+reported through PLauncherError.
+
+*Discussion*
+
+The information is a list of NULL-terminated strings: the class name of the service instance,
+the instance name of the service instance and the full command line used to start the service
+instance.
+
+
+*FspLaunchGetNameList* - List service instances.
+
+[source,c]
+----
+FSP_API NTSTATUS FspLaunchGetNameList( 
+    PWSTR Buffer,
+    PULONG PSize, 
+    PULONG PLauncherError);  
+----
+
+*Parameters*
+
+- _Buffer_ - Buffer that receives the command response. May be NULL.
+- _PSize_ - Pointer to a ULONG. On input it contains the size of the Buffer. On output it
+contains the number of bytes transferred. May be NULL.
+- _PLauncherError_ - Receives the launcher error if any. This is always a Win32 error code. May not be NULL.
+
+*Return Value*
+
+STATUS$$_$$SUCCESS if the command is sent successfully to the launcher, even if the launcher
+returns an error. Other status codes indicate a communication error. Launcher errors are
+reported through PLauncherError.
+
+*Discussion*
+
+The information is a list of pairs of NULL-terminated strings. Each pair contains the class
+name and instance name of a service instance. All currently running service instances are
+listed.
+
+
+*FspLaunchStart* - Start a service instance.
+
+[source,c]
+----
+FSP_API NTSTATUS FspLaunchStart( 
+    PWSTR ClassName,
+    PWSTR InstanceName,
+    ULONG Argc,
+    PWSTR *Argv, 
+    BOOLEAN HasSecret, 
+    PULONG PLauncherError);  
+----
+
+*Parameters*
+
+- _ClassName_ - Class name of the service instance to start.
+- _InstanceName_ - Instance name of the service instance to start.
+- _Argc_ - Service instance argument count. May be 0.
+- _Argv_ - Service instance argument array. May be NULL.
+- _HasSecret_ - Whether the last argument in Argv is assumed to be a secret (e.g. password) or not.
+Secrets are passed to service instances through standard input rather than the command
+line.
+- _PLauncherError_ - Receives the launcher error if any. This is always a Win32 error code. May not be NULL.
+
+*Return Value*
+
+STATUS$$_$$SUCCESS if the command is sent successfully to the launcher, even if the launcher
+returns an error. Other status codes indicate a communication error. Launcher errors are
+reported through PLauncherError.
+
+
+*FspLaunchStop* - Stop a service instance.
+
+[source,c]
+----
+FSP_API NTSTATUS FspLaunchStop( 
+    PWSTR ClassName,
+    PWSTR InstanceName, 
+    PULONG PLauncherError);  
+----
+
+*Parameters*
+
+- _ClassName_ - Class name of the service instance to stop.
+- _InstanceName_ - Instance name of the service instance to stop.
+- _PLauncherError_ - Receives the launcher error if any. This is always a Win32 error code. May not be NULL.
+
+*Return Value*
+
+STATUS$$_$$SUCCESS if the command is sent successfully to the launcher, even if the launcher
+returns an error. Other status codes indicate a communication error. Launcher errors are
+reported through PLauncherError.
+
+
+== Service Registry
+
+=== Functions
+
+*FspLaunchRegFreeRecord* - Free a service registry record.
+
+[source,c]
+----
+FSP_API VOID FspLaunchRegFreeRecord( 
+    FSP_LAUNCH_REG_RECORD *Record);  
+----
+
+*Parameters*
+
+- _Record_ - The service record to free.
+
+*See Also*
+
+- FspLaunchRegGetRecord
+
+
+*FspLaunchRegGetRecord* - Get a service registry record.
+
+[source,c]
+----
+FSP_API NTSTATUS FspLaunchRegGetRecord( 
+    PWSTR ClassName,
+    PWSTR Agent, 
+    FSP_LAUNCH_REG_RECORD **PRecord);  
+----
+
+*Parameters*
+
+- _ClassName_ - The service class name.
+- _Agent_ - The name of the agent that is retrieving the service record. This API matches
+the supplied Agent against the Agent in the service record and it only returns
+the record if they match. Pass NULL to match any Agent.
+- _PRecord_ - Pointer to a record pointer. Memory for the service record will be allocated
+and a pointer to it will be stored at this address. This memory must be later
+freed using FspLaunchRegFreeRecord.
+
+*Return Value*
+
+STATUS$$_$$SUCCESS or error code.
+
+*See Also*
+
+- FspLaunchRegFreeRecord
+
+
+*FspLaunchRegSetRecord* - Add/change/delete a service registry record.
+
+[source,c]
+----
+FSP_API NTSTATUS FspLaunchRegSetRecord( 
+    PWSTR ClassName, 
+    const FSP_LAUNCH_REG_RECORD *Record);  
+----
+
+*Parameters*
+
+- _ClassName_ - The service class name.
+- _Record_ - The record to set in the registry. If NULL, the registry record is deleted.
+
+*Return Value*
+
+STATUS$$_$$SUCCESS or error code.
+
+
+=== Typedefs
+
+*FSP$$_$$LAUNCH$$_$$REG$$_$$RECORD* - Service registry record.
+
+[source,c]
+----
+typedef struct _FSP_LAUNCH_REG_RECORD { 
+    PWSTR Agent; 
+    PWSTR Executable; 
+    PWSTR CommandLine; 
+    PWSTR WorkDirectory; 
+    PWSTR RunAs; 
+    PWSTR Security; 
+    PVOID Reserved0[6]; 
+    ULONG JobControl; 
+    ULONG Credentials; 
+    ULONG Reserved1[6]; 
+    UINT8 Buffer[]; 
+} FSP_LAUNCH_REG_RECORD;  
+----
+
+
+

doc/WinFsp-Service-Architecture.asciidoc

@@ -20,23 +20,25 @@ In order to overcome the issue with launching multiple instances of a particular
 
 Services that wish to be controlled by the WinFsp.Launcher must add themselves under the following registry key:
 
-    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WinFsp.Launcher\Services
+    HKEY_LOCAL_MACHINE\Software\WinFsp\Services
 
-For example, the MEMFS sample adds the following registry entries under this key:
+NOTE: Please note that in a 64-bit system the actual location is `HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\WinFsp\Services`.
 
-    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WinFsp.Launcher\Services\memfs32]
+For example, the MEMFS sample adds the following registry entries in a 64-bit system:
+
+    [HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\WinFsp\Services\memfs32]
     "Executable"="C:\\Program Files (x86)\\WinFsp\\bin\\memfs-x86.exe"
-    "CommandLine"="-u %1 -m %2"
+    "CommandLine"="-i -F NTFS -n 65536 -s 67108864 -u %1 -m %2"
     "Security"="D:P(A;;RPWPLC;;;WD)"
     "JobControl"=dword:00000001
 
-    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WinFsp.Launcher\Services\memfs64]
+    [HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\WinFsp\Services\memfs64]
     "Executable"="C:\\Program Files (x86)\\WinFsp\\bin\\memfs-x64.exe"
-    "CommandLine"="-u %1 -m %2"
+    "CommandLine"="-i -F NTFS -n 65536 -s 67108864 -u %1 -m %2"
     "Security"="D:P(A;;RPWPLC;;;WD)"
     "JobControl"=dword:00000001
 
-When the WinFsp.Launcher starts up it creates a named pipe that applications can use to start, stop, get information about and list service instances. A small command line utility (`launchctl`) can be used to issue those commands. The CallNamedPipeW API can be used as well.
+When the WinFsp.Launcher starts up it creates a named pipe that applications can use to start, stop, get information about and list service instances. A small command line utility (`launchctl`) can be used to issue those commands. The `CallNamedPipeW` API can be used as well.
 
 One final note regarding security. Notice the `Security` registry value in the example above. This registry value uses SDDL syntax to instruct WinFsp.Launcher to allow Everyone (`WD`) to start (`RP`), stop (`WP`) and get information (`LC`) about the service instance. If the `Security` registry value is missing the default is to allow only LocalSystem and Administrators to control the service instance.
 
@@ -44,4 +46,14 @@ One final note regarding security. Notice the `Security` registry value in the e
 
 WinFsp includes a Network Provider that integrates with Windows and can be used to start and stop user mode file systems from the Windows shell. To achieve this the Network Provider (implemented as part of the WinFsp DLL) works closely with the WinFsp.Launcher service.
 
-For example, if a user uses the Windows Explorer to map `\\memfs64\share` to the `Z:` drive, the Network Provider will instruct the WinFsp.Launcher to start an instance of the memfs64 service with command line `-u \\memfs64\share -m Z:`. When the user disconnects the `Z:` drive, the Network Provider will instruct the WinFsp.Launcher to stop the previously started instance of the memfs64 service.
+For example, if a user uses the Windows Explorer to map `\\memfs64\share` to the `Z:` drive, the Network Provider will instruct the WinFsp.Launcher to start an instance of the memfs64 service with command line `-i -F NTFS -n 65536 -s 67108864 -u \\memfs64\share -m Z:`. When the user disconnects the `Z:` drive, the Network Provider will instruct the WinFsp.Launcher to stop the previously started instance of the memfs64 service.
+
+== File System Credential Support
+
+Some file systems require credentials in order to allow access and be mounted. Such file systems must add a registry value `Credentials`:
+
+    "Credentials"=dword:00000001
+
+This will instruct the WinFsp Network Provider to request a password from the user prior to starting the file system. This password will then be securely passed to the WinFsp Launcher which in turn will pass it to the user mode file system on its standard input. The user mode file system must respond `OK` if the password is correct and allows access to the user mode file system. Any other response from the user mode file system (including a timeout without a response) is interpreted as an authentication failure.
+
+NOTE: During password entry the user may also choose to "remember" the password in which case it will be saved in the Windows Credential Manager.

doc/WinFsp-Testing.asciidoc

@@ -95,7 +95,7 @@ if (!Success)
 
 In Release builds the +DEBUGTEST(90)+ macro will evaluate to +TRUE+ and the Cache Manager will be asked directly via +CcCanIWrite+ whether a WRITE should be deferred. In Debug builds the +DEBUGTEST(90)+ macro will evaluate to +FALSE+ sometimes (10% of the time) and the WRITE will be deferred, thus allowing us to test the retry code path.
 
-== Compatibility Testing
+== NTFS Compatibility Testing
 
 WinFsp allows the creation of user mode file systems that exhibit behavior similar to NTFS. This means that Windows applications that use such a file system should not be able to tell the difference between NTFS and the WinFsp-based file system. OTOH specialized applications (such as Defrag) will not work properly on WinFsp file systems.
 
@@ -123,6 +123,12 @@ The goal of performance testing is to evaluate and understand how software behav
 
 WinFsp uses a tool called fsbench for this purpose. Fsbench is able to test specific scenarios, for example: "how long does it take to delete 1000 files?" Fsbench has been very useful for WinFsp and has helped improve its performance: in one situation it helped identify quadratic behavior with the MEMFS ReadDirectory operation, in another situation it helped fine tune the performance of the WinFsp I/O Queue.
 
+== Backwards Compatibility testing
+
+As the WinFsp API's mature it is important to verify that they remain backwards compatible with existing file system binaries. For this purpose binaries that have been compiled against earlier versions of WinFsp are used to verify that they run correctly against the latest version.
+
+For example, in version v1.2B3 of WinFsp an +FSP_FUSE_CAP_STAT_EX+ FUSE extension was introduced. This can change the layout of +struct fuse_stat+ and is therefore a potentially dangerous change. To test against inadvertent breakage a FUSE file system binary that was compiled against v1.2B2 is regularly used to verify backwards compatibility.
+
 == Code Analysis
 
 WinFsp is regularly run under the Visual Studio's Code Analyzer. Any issues found are examined and if necessary acted upon.

doc/WinFsp-Tutorial.asciidoc

@@ -112,7 +112,7 @@ usage: passthrough OPTIONS
 
 options:
     -d DebugFlags       [-1: enable all debug logs]
-    -D DebugLogFile     [file path; use - for stdout]
+    -D DebugLogFile     [file path; use - for stderr]
     -u \Server\Share    [UNC prefix (single backslash)]
     -p Directory        [directory to expose as pass through file system]
     -m MountPoint       [X:|*|directory]
@@ -138,7 +138,7 @@ The variable `DebugLogFile` is used to control the WinFsp debug logging mechanis
     if (0 != DebugLogFile)
     {
         if (0 == wcscmp(L"-", DebugLogFile))
-            DebugLogHandle = GetStdHandle(STD_OUTPUT_HANDLE);
+            DebugLogHandle = GetStdHandle(STD_ERROR_HANDLE);
         else
             DebugLogHandle = CreateFileW(
                 DebugLogFile,
@@ -622,9 +622,14 @@ static NTSTATUS ReadDirectory(FSP_FILE_SYSTEM *FileSystem,
 
         Length = GetFinalPathNameByHandleW(Handle, FullPath, FULLPATH_SIZE - 1, 0);
         if (0 == Length)
-            return FspNtStatusFromWin32(GetLastError());
-        if (Length + 1 + PatternLength >= FULLPATH_SIZE)
-            return STATUS_OBJECT_NAME_INVALID;
+            DirBufferResult = FspNtStatusFromWin32(GetLastError());
+        else if (Length + 1 + PatternLength >= FULLPATH_SIZE)
+            DirBufferResult = STATUS_OBJECT_NAME_INVALID;
+        if (!NT_SUCCESS(DirBufferResult))
+        {
+            FspFileSystemReleaseDirectoryBuffer(&FileContext->DirBuffer);
+            return DirBufferResult;
+        }
 
         if (L'\\' != FullPath[Length - 1])
             FullPath[Length++] = L'\\';

ext/tlib/callstack.c

@@ -1,7 +1,7 @@
 /**
  * @file tlib/callstack.c
  *
- * @copyright 2014-2017 Bill Zissimopoulos
+ * @copyright 2014-2018 Bill Zissimopoulos
  */
 
 #include <tlib/callstack.h>

ext/tlib/callstack.h

@@ -1,7 +1,7 @@
 /**
  * @file tlib/callstack.h
  *
- * @copyright 2014-2017 Bill Zissimopoulos
+ * @copyright 2014-2018 Bill Zissimopoulos
  */
 
 #ifndef TLIB_CALLSTACK_H_INCLUDED

ext/tlib/injected/allfunc.h

@@ -1,7 +1,7 @@
 /**
  * @file tlib/injected/allfunc.h
  *
- * @copyright 2014-2017 Bill Zissimopoulos
+ * @copyright 2014-2018 Bill Zissimopoulos
  */
 
 #ifndef TLIB_INJECTED_ALLFUNC_H_INCLUDED

ext/tlib/injected/curlfunc.c

@@ -1,7 +1,7 @@
 /**
  * @file tlib/injected/curlfunc.c
  *
- * @copyright 2014-2017 Bill Zissimopoulos
+ * @copyright 2014-2018 Bill Zissimopoulos
  */
 
 #include <tlib/injected/curlfunc.h>

ext/tlib/injected/curlfunc.h

@@ -1,7 +1,7 @@
 /**
  * @file tlib/injected/curlfunc.h
  *
- * @copyright 2014-2017 Bill Zissimopoulos
+ * @copyright 2014-2018 Bill Zissimopoulos
  */
 
 #ifndef TLIB_INJECTED_CURLFUNC_H_INCLUDED

ext/tlib/injected/stdfunc.c

@@ -1,7 +1,7 @@
 /**
  * @file tlib/injected/stdfunc.c
  *
- * @copyright 2014-2017 Bill Zissimopoulos
+ * @copyright 2014-2018 Bill Zissimopoulos
  */
 
 #include <tlib/injected/stdfunc.h>

ext/tlib/injected/stdfunc.h

@@ -1,7 +1,7 @@
 /**
  * @file tlib/injected/stdfunc.h
  *
- * @copyright 2014-2017 Bill Zissimopoulos
+ * @copyright 2014-2018 Bill Zissimopoulos
  */
 
 #ifndef TLIB_INJECTED_STDFUNC_H_INCLUDED

ext/tlib/injection.c

@@ -1,7 +1,7 @@
 /**
  * @file tlib/injection.c
  *
- * @copyright 2014-2017 Bill Zissimopoulos
+ * @copyright 2014-2018 Bill Zissimopoulos
  */
 
 #include <tlib/injection.h>

ext/tlib/injection.h

@@ -1,7 +1,7 @@
 /**
  * @file tlib/injection.h
  *
- * @copyright 2014-2017 Bill Zissimopoulos
+ * @copyright 2014-2018 Bill Zissimopoulos
  */
 
 /* NOTE: This header may usefully be included multiple times.

ext/tlib/testsuite.c

@@ -1,7 +1,7 @@
 /**
  * @file tlib/testsuite.c
  *
- * @copyright 2014-2017 Bill Zissimopoulos
+ * @copyright 2014-2018 Bill Zissimopoulos
  */
 
 #include <tlib/testsuite.h>

ext/tlib/testsuite.h

@@ -1,7 +1,7 @@
 /**
  * @file tlib/testsuite.h
  *
- * @copyright 2014-2017 Bill Zissimopoulos
+ * @copyright 2014-2018 Bill Zissimopoulos
  */
 
 #ifndef TLIB_TESTSUITE_H_INCLUDED

inc/fuse/fuse.h

@@ -6,7 +6,7 @@
  *     FUSE: Filesystem in Userspace
  *     Copyright (C) 2001-2007  Miklos Szeredi <miklos@szeredi.hu>
  *
- * @copyright 2015-2017 Bill Zissimopoulos
+ * @copyright 2015-2018 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.
@@ -39,54 +39,82 @@ typedef int (*fuse_dirfil_t)(fuse_dirh_t h, const char *name,
 
 struct fuse_operations
 {
-    int (*getattr)(const char *path, struct fuse_stat *stbuf);
-    int (*getdir)(const char *path, fuse_dirh_t h, fuse_dirfil_t filler);
-    int (*readlink)(const char *path, char *buf, size_t size);
-    int (*mknod)(const char *path, fuse_mode_t mode, fuse_dev_t dev);
-    int (*mkdir)(const char *path, fuse_mode_t mode);
-    int (*unlink)(const char *path);
-    int (*rmdir)(const char *path);
-    int (*symlink)(const char *dstpath, const char *srcpath);
-    int (*rename)(const char *oldpath, const char *newpath);
-    int (*link)(const char *srcpath, const char *dstpath);
-    int (*chmod)(const char *path, fuse_mode_t mode);
-    int (*chown)(const char *path, fuse_uid_t uid, fuse_gid_t gid);
-    int (*truncate)(const char *path, fuse_off_t size);
-    int (*utime)(const char *path, struct fuse_utimbuf *timbuf);
-    int (*open)(const char *path, struct fuse_file_info *fi);
-    int (*read)(const char *path, char *buf, size_t size, fuse_off_t off,
+    /* S - supported by WinFsp */
+    /* S */ int (*getattr)(const char *path, struct fuse_stat *stbuf);
+    /* S */ int (*getdir)(const char *path, fuse_dirh_t h, fuse_dirfil_t filler);
+    /* S */ int (*readlink)(const char *path, char *buf, size_t size);
+    /* S */ int (*mknod)(const char *path, fuse_mode_t mode, fuse_dev_t dev);
+    /* S */ int (*mkdir)(const char *path, fuse_mode_t mode);
+    /* S */ int (*unlink)(const char *path);
+    /* S */ int (*rmdir)(const char *path);
+    /* S */ int (*symlink)(const char *dstpath, const char *srcpath);
+    /* S */ int (*rename)(const char *oldpath, const char *newpath);
+    /* _ */ int (*link)(const char *srcpath, const char *dstpath);
+    /* S */ int (*chmod)(const char *path, fuse_mode_t mode);
+    /* S */ int (*chown)(const char *path, fuse_uid_t uid, fuse_gid_t gid);
+    /* S */ int (*truncate)(const char *path, fuse_off_t size);
+    /* S */ int (*utime)(const char *path, struct fuse_utimbuf *timbuf);
+    /* S */ int (*open)(const char *path, struct fuse_file_info *fi);
+    /* S */ int (*read)(const char *path, char *buf, size_t size, fuse_off_t off,
         struct fuse_file_info *fi);
-    int (*write)(const char *path, const char *buf, size_t size, fuse_off_t off,
+    /* S */ int (*write)(const char *path, const char *buf, size_t size, fuse_off_t off,
         struct fuse_file_info *fi);
-    int (*statfs)(const char *path, struct fuse_statvfs *stbuf);
-    int (*flush)(const char *path, struct fuse_file_info *fi);
-    int (*release)(const char *path, struct fuse_file_info *fi);
-    int (*fsync)(const char *path, int datasync, struct fuse_file_info *fi);
-    int (*setxattr)(const char *path, const char *name, const char *value, size_t size,
+    /* S */ int (*statfs)(const char *path, struct fuse_statvfs *stbuf);
+    /* S */ int (*flush)(const char *path, struct fuse_file_info *fi);
+    /* S */ int (*release)(const char *path, struct fuse_file_info *fi);
+    /* S */ int (*fsync)(const char *path, int datasync, struct fuse_file_info *fi);
+    /* _ */ int (*setxattr)(const char *path, const char *name, const char *value, size_t size,
         int flags);
-    int (*getxattr)(const char *path, const char *name, char *value, size_t size);
-    int (*listxattr)(const char *path, char *namebuf, size_t size);
-    int (*removexattr)(const char *path, const char *name);
-    int (*opendir)(const char *path, struct fuse_file_info *fi);
-    int (*readdir)(const char *path, void *buf, fuse_fill_dir_t filler, fuse_off_t off,
+    /* _ */ int (*getxattr)(const char *path, const char *name, char *value, size_t size);
+    /* _ */ int (*listxattr)(const char *path, char *namebuf, size_t size);
+    /* _ */ int (*removexattr)(const char *path, const char *name);
+    /* S */ int (*opendir)(const char *path, struct fuse_file_info *fi);
+    /* S */ int (*readdir)(const char *path, void *buf, fuse_fill_dir_t filler, fuse_off_t off,
         struct fuse_file_info *fi);
-    int (*releasedir)(const char *path, struct fuse_file_info *fi);
-    int (*fsyncdir)(const char *path, int datasync, struct fuse_file_info *fi);
-    void *(*init)(struct fuse_conn_info *conn);
-    void (*destroy)(void *data);
-    int (*access)(const char *path, int mask);
-    int (*create)(const char *path, fuse_mode_t mode, struct fuse_file_info *fi);
-    int (*ftruncate)(const char *path, fuse_off_t off, struct fuse_file_info *fi);
-    int (*fgetattr)(const char *path, struct fuse_stat *stbuf, struct fuse_file_info *fi);
-    int (*lock)(const char *path, struct fuse_file_info *fi, int cmd, struct fuse_flock *lock);
-    int (*utimens)(const char *path, const struct fuse_timespec tv[2]);
-    int (*bmap)(const char *path, size_t blocksize, uint64_t *idx);
-    unsigned int flag_nullpath_ok:1;
-    unsigned int flag_reserved:31;
-    int (*ioctl)(const char *path, int cmd, void *arg, struct fuse_file_info *fi,
+    /* S */ int (*releasedir)(const char *path, struct fuse_file_info *fi);
+    /* S */ int (*fsyncdir)(const char *path, int datasync, struct fuse_file_info *fi);
+    /* S */ void *(*init)(struct fuse_conn_info *conn);
+    /* S */ void (*destroy)(void *data);
+    /* _ */ int (*access)(const char *path, int mask);
+    /* S */ int (*create)(const char *path, fuse_mode_t mode, struct fuse_file_info *fi);
+    /* S */ int (*ftruncate)(const char *path, fuse_off_t off, struct fuse_file_info *fi);
+    /* S */ int (*fgetattr)(const char *path, struct fuse_stat *stbuf, struct fuse_file_info *fi);
+    /* _ */ int (*lock)(const char *path,
+        struct fuse_file_info *fi, int cmd, struct fuse_flock *lock);
+    /* S */ int (*utimens)(const char *path, const struct fuse_timespec tv[2]);
+    /* _ */ int (*bmap)(const char *path, size_t blocksize, uint64_t *idx);
+    /* _ */ unsigned int flag_nullpath_ok:1;
+    /* _ */ unsigned int flag_nopath:1;
+    /* _ */ unsigned int flag_utime_omit_ok:1;
+    /* _ */ unsigned int flag_reserved:29;
+    /* _ */ int (*ioctl)(const char *path, int cmd, void *arg, struct fuse_file_info *fi,
         unsigned int flags, void *data);
-    int (*poll)(const char *path, struct fuse_file_info *fi,
+    /* _ */ int (*poll)(const char *path, struct fuse_file_info *fi,
         struct fuse_pollhandle *ph, unsigned *reventsp);
+    /* FUSE 2.9 */
+    /* _ */ int (*write_buf)(const char *path,
+        struct fuse_bufvec *buf, fuse_off_t off, struct fuse_file_info *fi);
+    /* _ */ int (*read_buf)(const char *path,
+        struct fuse_bufvec **bufp, size_t size, fuse_off_t off, struct fuse_file_info *fi);
+    /* _ */ int (*flock)(const char *path, struct fuse_file_info *, int op);
+    /* _ */ int (*fallocate)(const char *path, int mode, fuse_off_t off, fuse_off_t len,
+        struct fuse_file_info *fi);
+    /* OSXFUSE */
+    /* _ */ int (*reserved00)();
+    /* _ */ int (*reserved01)();
+    /* _ */ int (*reserved02)();
+    /* _ */ int (*statfs_x)(const char *path, struct fuse_statfs *stbuf);
+    /* _ */ int (*setvolname)(const char *volname);
+    /* _ */ int (*exchange)(const char *oldpath, const char *newpath, unsigned long flags);
+    /* _ */ int (*getxtimes)(const char *path,
+        struct fuse_timespec *bkuptime, struct fuse_timespec *crtime);
+    /* _ */ int (*setbkuptime)(const char *path, const struct fuse_timespec *tv);
+    /* S */ int (*setchgtime)(const char *path, const struct fuse_timespec *tv);
+    /* S */ int (*setcrtime)(const char *path, const struct fuse_timespec *tv);
+    /* S */ int (*chflags)(const char *path, uint32_t flags);
+    /* _ */ int (*setattr_x)(const char *path, struct fuse_setattr_x *attr);
+    /* _ */ int (*fsetattr_x)(const char *path, struct fuse_setattr_x *attr,
+        struct fuse_file_info *fi);
 };
 
 struct fuse_context
@@ -118,6 +146,8 @@ FSP_FUSE_API int FSP_FUSE_API_NAME(fsp_fuse_loop_mt)(struct fsp_fuse_env *env,
     struct fuse *f);
 FSP_FUSE_API void FSP_FUSE_API_NAME(fsp_fuse_exit)(struct fsp_fuse_env *env,
     struct fuse *f);
+FSP_FUSE_API int FSP_FUSE_API_NAME(fsp_fuse_exited)(struct fsp_fuse_env *env,
+    struct fuse *f);
 FSP_FUSE_API struct fuse_context *FSP_FUSE_API_NAME(fsp_fuse_get_context)(struct fsp_fuse_env *env);
 
 FSP_FUSE_SYM(
@@ -171,6 +201,13 @@ void fuse_exit(struct fuse *f),
         (fsp_fuse_env(), f);
 })
 
+FSP_FUSE_SYM(
+int fuse_exited(struct fuse *f),
+{
+    return FSP_FUSE_API_CALL(fsp_fuse_exited)
+        (fsp_fuse_env(), f);
+})
+
 FSP_FUSE_SYM(
 struct fuse_context *fuse_get_context(void),
 {

inc/fuse/fuse_common.h

@@ -6,7 +6,7 @@
  *     FUSE: Filesystem in Userspace
  *     Copyright (C) 2001-2007  Miklos Szeredi <miklos@szeredi.hu>
  *
- * @copyright 2015-2017 Bill Zissimopoulos
+ * @copyright 2015-2018 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.
@@ -41,12 +41,40 @@ extern "C" {
 #define FUSE_CAP_EXPORT_SUPPORT         (1 << 4)
 #define FUSE_CAP_BIG_WRITES             (1 << 5)
 #define FUSE_CAP_DONT_MASK              (1 << 6)
+#define FUSE_CAP_ALLOCATE               (1 << 27)   /* reserved (OSXFUSE) */
+#define FUSE_CAP_EXCHANGE_DATA          (1 << 28)   /* reserved (OSXFUSE) */
+#define FUSE_CAP_CASE_INSENSITIVE       (1 << 29)   /* file system is case insensitive */
+#define FUSE_CAP_VOL_RENAME             (1 << 30)   /* reserved (OSXFUSE) */
+#define FUSE_CAP_XTIMES                 (1 << 31)   /* reserved (OSXFUSE) */
+
+#define FSP_FUSE_CAP_READDIR_PLUS       (1 << 21)   /* file system supports enhanced readdir */
+#define FSP_FUSE_CAP_READ_ONLY          (1 << 22)   /* file system is marked read-only */
+#define FSP_FUSE_CAP_STAT_EX            (1 << 23)   /* file system supports fuse_stat_ex */
+#define FSP_FUSE_CAP_CASE_INSENSITIVE   FUSE_CAP_CASE_INSENSITIVE
 
 #define FUSE_IOCTL_COMPAT               (1 << 0)
 #define FUSE_IOCTL_UNRESTRICTED         (1 << 1)
 #define FUSE_IOCTL_RETRY                (1 << 2)
 #define FUSE_IOCTL_MAX_IOV              256
 
+/* from FreeBSD */
+#define FSP_FUSE_UF_HIDDEN              0x00008000
+#define FSP_FUSE_UF_READONLY            0x00001000
+#define FSP_FUSE_UF_SYSTEM              0x00000080
+#define FSP_FUSE_UF_ARCHIVE             0x00000800
+#if !defined(UF_HIDDEN)
+#define UF_HIDDEN                       FSP_FUSE_UF_HIDDEN
+#endif
+#if !defined(UF_READONLY)
+#define UF_READONLY                     FSP_FUSE_UF_READONLY
+#endif
+#if !defined(UF_SYSTEM)
+#define UF_SYSTEM                       FSP_FUSE_UF_SYSTEM
+#endif
+#if !defined(UF_ARCHIVE)
+#define UF_ARCHIVE                      FSP_FUSE_UF_ARCHIVE
+#endif
+
 struct fuse_file_info
 {
     int flags;
@@ -76,6 +104,9 @@ struct fuse_conn_info
 struct fuse_session;
 struct fuse_chan;
 struct fuse_pollhandle;
+struct fuse_bufvec;
+struct fuse_statfs;
+struct fuse_setattr_x;
 
 FSP_FUSE_API int FSP_FUSE_API_NAME(fsp_fuse_version)(struct fsp_fuse_env *env);
 FSP_FUSE_API struct fuse_chan *FSP_FUSE_API_NAME(fsp_fuse_mount)(struct fsp_fuse_env *env,

inc/fuse/fuse_opt.h

@@ -6,7 +6,7 @@
  *     FUSE: Filesystem in Userspace
  *     Copyright (C) 2001-2007  Miklos Szeredi <miklos@szeredi.hu>
  *
- * @copyright 2015-2017 Bill Zissimopoulos
+ * @copyright 2015-2018 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

inc/fuse/winfsp_fuse.h

@@ -2,7 +2,7 @@
  * @file fuse/winfsp_fuse.h
  * WinFsp FUSE compatible API.
  *
- * @copyright 2015-2017 Bill Zissimopoulos
+ * @copyright 2015-2018 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.
@@ -65,6 +65,27 @@ extern "C" {
  * to be usable from Cygwin.
  */
 
+#define FSP_FUSE_STAT_FIELD_DEFN        \
+    fuse_dev_t st_dev;                  \
+    fuse_ino_t st_ino;                  \
+    fuse_mode_t st_mode;                \
+    fuse_nlink_t st_nlink;              \
+    fuse_uid_t st_uid;                  \
+    fuse_gid_t st_gid;                  \
+    fuse_dev_t st_rdev;                 \
+    fuse_off_t st_size;                 \
+    struct fuse_timespec st_atim;       \
+    struct fuse_timespec st_mtim;       \
+    struct fuse_timespec st_ctim;       \
+    fuse_blksize_t st_blksize;          \
+    fuse_blkcnt_t st_blocks;            \
+    struct fuse_timespec st_birthtim;
+#define FSP_FUSE_STAT_EX_FIELD_DEFN     \
+    FSP_FUSE_STAT_FIELD_DEFN            \
+    uint32_t st_flags;                  \
+    uint32_t st_reserved32[3];          \
+    uint64_t st_reserved64[2];
+
 #if defined(_WIN64) || defined(_WIN32)
 
 typedef uint32_t fuse_uid_t;
@@ -111,23 +132,17 @@ struct fuse_timespec
 };
 #endif
 
+#if !defined(FSP_FUSE_USE_STAT_EX)
 struct fuse_stat
 {
-    fuse_dev_t st_dev;
-    fuse_ino_t st_ino;
-    fuse_mode_t st_mode;
-    fuse_nlink_t st_nlink;
-    fuse_uid_t st_uid;
-    fuse_gid_t st_gid;
-    fuse_dev_t st_rdev;
-    fuse_off_t st_size;
-    struct fuse_timespec st_atim;
-    struct fuse_timespec st_mtim;
-    struct fuse_timespec st_ctim;
-    fuse_blksize_t st_blksize;
-    fuse_blkcnt_t st_blocks;
-    struct fuse_timespec st_birthtim;
+    FSP_FUSE_STAT_FIELD_DEFN
 };
+#else
+struct fuse_stat
+{
+    FSP_FUSE_STAT_EX_FIELD_DEFN
+};
+#endif
 
 #if defined(_WIN64)
 struct fuse_statvfs
@@ -177,6 +192,9 @@ struct fuse_flock
         MemAlloc, MemFree,              \
         fsp_fuse_daemonize,             \
         fsp_fuse_set_signal_handlers,   \
+        0/*conv_to_win_path*/,          \
+        0/*winpid_to_pid*/,             \
+        { 0 },                          \
     }
 #else
 #define FSP_FUSE_ENV_INIT               \
@@ -185,6 +203,9 @@ struct fuse_flock
         malloc, free,                   \
         fsp_fuse_daemonize,             \
         fsp_fuse_set_signal_handlers,   \
+        0/*conv_to_win_path*/,          \
+        0/*winpid_to_pid*/,             \
+        { 0 },                          \
     }
 #endif
 
@@ -216,7 +237,14 @@ struct fuse_flock
 #define fuse_utimbuf                    utimbuf
 #define fuse_timespec                   timespec
 
+#if !defined(FSP_FUSE_USE_STAT_EX)
 #define fuse_stat                       stat
+#else
+struct fuse_stat
+{
+    FSP_FUSE_STAT_EX_FIELD_DEFN
+};
+#endif
 #define fuse_statvfs                    statvfs
 #define fuse_flock                      flock
 
@@ -226,6 +254,9 @@ struct fuse_flock
         malloc, free,                   \
         fsp_fuse_daemonize,             \
         fsp_fuse_set_signal_handlers,   \
+        fsp_fuse_conv_to_win_path,      \
+        fsp_fuse_winpid_to_pid,         \
+        { 0 },                          \
     }
 
 /*
@@ -237,6 +268,11 @@ struct fuse_flock
 #error unsupported environment
 #endif
 
+struct fuse_stat_ex
+{
+    FSP_FUSE_STAT_EX_FIELD_DEFN
+};
+
 struct fsp_fuse_env
 {
     unsigned environment;
@@ -244,7 +280,9 @@ struct fsp_fuse_env
     void (*memfree)(void *);
     int (*daemonize)(int);
     int (*set_signal_handlers)(void *);
-    void (*reserved[4])();
+    char *(*conv_to_win_path)(const char *);
+    fuse_pid_t (*winpid_to_pid)(uint32_t);
+    void (*reserved[2])();
 };
 
 FSP_FUSE_API void FSP_FUSE_API_NAME(fsp_fuse_signal_handler)(int sig);
@@ -348,6 +386,20 @@ static inline int fsp_fuse_set_signal_handlers(void *se)
 #undef FSP_FUSE_SET_SIGNAL_HANDLER
 }
 
+static inline char *fsp_fuse_conv_to_win_path(const char *path)
+{
+    void *cygwin_create_path(unsigned, const void *);
+    return (char *)cygwin_create_path(
+        0/*CCP_POSIX_TO_WIN_A*/ | 0x100/*CCP_RELATIVE*/,
+        path);
+}
+
+static inline fuse_pid_t fsp_fuse_winpid_to_pid(uint32_t winpid)
+{
+    pid_t cygwin_winpid_to_pid(int winpid);
+    pid_t pid = cygwin_winpid_to_pid(winpid);
+    return -1 != pid ? pid : (fuse_pid_t)winpid;
+}
 #endif
 
 

inc/winfsp/fsctl.h

@@ -1,7 +1,7 @@
 /**
  * @file winfsp/fsctl.h
  *
- * @copyright 2015-2017 Bill Zissimopoulos
+ * @copyright 2015-2018 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.
@@ -34,6 +34,7 @@ extern "C" {
 #define FSP_FSCTL_DRIVER_NAME           "WinFsp"
 #define FSP_FSCTL_DISK_DEVICE_NAME      "WinFsp.Disk"
 #define FSP_FSCTL_NET_DEVICE_NAME       "WinFsp.Net"
+#define FSP_FSCTL_MUP_DEVICE_NAME       "WinFsp.Mup"
 
 // {6F9D25FA-6DEE-4A9D-80F5-E98E14F35E54}
 extern const __declspec(selectany) GUID FspFsctlDeviceClassGuid =
@@ -78,6 +79,9 @@ FSP_FSCTL_STATIC_ASSERT(FSP_FSCTL_VOLUME_NAME_SIZEMAX <= 260 * sizeof(WCHAR),
 #define FSP_FSCTL_TRANSACT_BATCH_BUFFER_SIZEMIN (64 * 1024)
 #define FSP_FSCTL_TRANSACT_BUFFER_SIZEMIN       FSP_FSCTL_TRANSACT_REQ_SIZEMAX
 
+#define FSP_FSCTL_TRANSACT_REQ_TOKEN_HANDLE(T)  ((HANDLE)((T) & 0xffffffff))
+#define FSP_FSCTL_TRANSACT_REQ_TOKEN_PID(T)     ((UINT32)(((T) >> 32) & 0xffffffff))
+
 /* marshalling */
 #pragma warning(push)
 #pragma warning(disable:4200)           /* zero-sized array in struct/union */
@@ -120,41 +124,64 @@ enum
     FspFsctlIrpCapacityMaximum = 1000,
     FspFsctlIrpCapacityDefault = 1000,
 };
+#define FSP_FSCTL_VOLUME_PARAMS_V0_FIELD_DEFN\
+    UINT16 Version;                     /* set to 0 or sizeof(FSP_FSCTL_VOLUME_PARAMS) */\
+    /* volume information */\
+    UINT16 SectorSize;\
+    UINT16 SectorsPerAllocationUnit;\
+    UINT16 MaxComponentLength;          /* maximum file name component length (bytes) */\
+    UINT64 VolumeCreationTime;\
+    UINT32 VolumeSerialNumber;\
+    /* I/O timeouts, capacity, etc. */\
+    UINT32 TransactTimeout;             /* FSP_FSCTL_TRANSACT timeout (millis; 1 sec - 10 sec) */\
+    UINT32 IrpTimeout;                  /* pending IRP timeout (millis; 1 min - 10 min) */\
+    UINT32 IrpCapacity;                 /* maximum number of pending IRP's (100 - 1000)*/\
+    UINT32 FileInfoTimeout;             /* FileInfo/Security/VolumeInfo timeout (millis) */\
+    /* FILE_FS_ATTRIBUTE_INFORMATION::FileSystemAttributes */\
+    UINT32 CaseSensitiveSearch:1;       /* file system supports case-sensitive file names */\
+    UINT32 CasePreservedNames:1;        /* file system preserves the case of file names */\
+    UINT32 UnicodeOnDisk:1;             /* file system supports Unicode in file names */\
+    UINT32 PersistentAcls:1;            /* file system preserves and enforces access control lists */\
+    UINT32 ReparsePoints:1;             /* file system supports reparse points */\
+    UINT32 ReparsePointsAccessCheck:1;  /* file system performs reparse point access checks */\
+    UINT32 NamedStreams:1;              /* file system supports named streams */\
+    UINT32 HardLinks:1;                 /* unimplemented; set to 0 */\
+    UINT32 ExtendedAttributes:1;        /* unimplemented; set to 0 */\
+    UINT32 ReadOnlyVolume:1;\
+    /* kernel-mode flags */\
+    UINT32 PostCleanupWhenModifiedOnly:1;   /* post Cleanup when a file was modified/deleted */\
+    UINT32 PassQueryDirectoryPattern:1;     /* pass Pattern during QueryDirectory operations */\
+    UINT32 AlwaysUseDoubleBuffering:1;\
+    UINT32 PassQueryDirectoryFileName:1;    /* pass FileName during QueryDirectory (GetDirInfoByName) */\
+    UINT32 FlushAndPurgeOnCleanup:1;        /* keeps file off "standby" list */\
+    UINT32 KmReservedFlags:1;\
+    /* user-mode flags */\
+    UINT32 UmFileContextIsUserContext2:1;   /* user mode: FileContext parameter is UserContext2 */\
+    UINT32 UmFileContextIsFullContext:1;    /* user mode: FileContext parameter is FullContext */\
+    UINT32 UmReservedFlags:14;\
+    WCHAR Prefix[FSP_FSCTL_VOLUME_PREFIX_SIZE / sizeof(WCHAR)]; /* UNC prefix (\Server\Share) */\
+    WCHAR FileSystemName[FSP_FSCTL_VOLUME_FSNAME_SIZE / sizeof(WCHAR)];
+#define FSP_FSCTL_VOLUME_PARAMS_V1_FIELD_DEFN\
+    /* additional fields; specify .Version == sizeof(FSP_FSCTL_VOLUME_PARAMS) */\
+    UINT32 VolumeInfoTimeoutValid:1;    /* VolumeInfoTimeout field is valid */\
+    UINT32 DirInfoTimeoutValid:1;       /* DirInfoTimeout field is valid */\
+    UINT32 SecurityTimeoutValid:1;      /* SecurityTimeout field is valid*/\
+    UINT32 StreamInfoTimeoutValid:1;    /* StreamInfoTimeout field is valid */\
+    UINT32 KmAdditionalReservedFlags:28;\
+    UINT32 VolumeInfoTimeout;           /* volume info timeout (millis); overrides FileInfoTimeout */\
+    UINT32 DirInfoTimeout;              /* dir info timeout (millis); overrides FileInfoTimeout */\
+    UINT32 SecurityTimeout;             /* security info timeout (millis); overrides FileInfoTimeout */\
+    UINT32 StreamInfoTimeout;           /* stream info timeout (millis); overrides FileInfoTimeout */\
+    UINT32 Reserved32[3];\
+    UINT64 Reserved64[2];
 typedef struct
 {
-    UINT16 Version;                     /* set to 0 */
-    /* volume information */
-    UINT16 SectorSize;
-    UINT16 SectorsPerAllocationUnit;
-    UINT16 MaxComponentLength;          /* maximum file name component length (bytes) */
-    UINT64 VolumeCreationTime;
-    UINT32 VolumeSerialNumber;
-    /* I/O timeouts, capacity, etc. */
-    UINT32 TransactTimeout;             /* FSP_FSCTL_TRANSACT timeout (millis; 1 sec - 10 sec) */
-    UINT32 IrpTimeout;                  /* pending IRP timeout (millis; 1 min - 10 min) */
-    UINT32 IrpCapacity;                 /* maximum number of pending IRP's (100 - 1000)*/
-    UINT32 FileInfoTimeout;             /* FileInfo/Security/VolumeInfo timeout (millis) */
-    /* FILE_FS_ATTRIBUTE_INFORMATION::FileSystemAttributes */
-    UINT32 CaseSensitiveSearch:1;       /* file system supports case-sensitive file names */
-    UINT32 CasePreservedNames:1;        /* file system preserves the case of file names */
-    UINT32 UnicodeOnDisk:1;             /* file system supports Unicode in file names */
-    UINT32 PersistentAcls:1;            /* file system preserves and enforces access control lists */
-    UINT32 ReparsePoints:1;             /* file system supports reparse points */
-    UINT32 ReparsePointsAccessCheck:1;  /* file system performs reparse point access checks */
-    UINT32 NamedStreams:1;              /* file system supports named streams */
-    UINT32 HardLinks:1;                 /* unimplemented; set to 0 */
-    UINT32 ExtendedAttributes:1;        /* unimplemented; set to 0 */
-    UINT32 ReadOnlyVolume:1;
-    /* kernel-mode flags */
-    UINT32 PostCleanupWhenModifiedOnly:1;   /* post Cleanup when a file was modified/deleted */
-    UINT32 PassQueryDirectoryPattern:1;     /* pass Pattern during QueryDirectory operations */
-    UINT32 KmReservedFlags:4;
-    /* user-mode flags */
-    UINT32 UmFileContextIsUserContext2:1;   /* user mode: FileContext parameter is UserContext2 */
-    UINT32 UmFileContextIsFullContext:1;    /* user mode: FileContext parameter is FullContext */
-    UINT32 UmReservedFlags:14;
-    WCHAR Prefix[FSP_FSCTL_VOLUME_PREFIX_SIZE / sizeof(WCHAR)]; /* UNC prefix (\Server\Share) */
-    WCHAR FileSystemName[FSP_FSCTL_VOLUME_FSNAME_SIZE / sizeof(WCHAR)];
+    FSP_FSCTL_VOLUME_PARAMS_V0_FIELD_DEFN
+} FSP_FSCTL_VOLUME_PARAMS_V0;
+typedef struct
+{
+    FSP_FSCTL_VOLUME_PARAMS_V0_FIELD_DEFN
+    FSP_FSCTL_VOLUME_PARAMS_V1_FIELD_DEFN
 } FSP_FSCTL_VOLUME_PARAMS;
 typedef struct
 {
@@ -221,7 +248,7 @@ typedef struct
             UINT32 FileAttributes;      /* file attributes for new files */
             FSP_FSCTL_TRANSACT_BUF SecurityDescriptor; /* security descriptor for new files */
             UINT64 AllocationSize;      /* initial allocation size */
-            UINT64 AccessToken;         /* request access token (HANDLE) */
+            UINT64 AccessToken;         /* request access token (PID,HANDLE) */
             UINT32 DesiredAccess;       /* FILE_{READ_DATA,WRITE_DATA,etc.} */
             UINT32 GrantedAccess;       /* FILE_{READ_DATA,WRITE_DATA,etc.} */
             UINT32 ShareAccess;         /* FILE_SHARE_{READ,WRITE,DELETE} */
@@ -314,7 +341,7 @@ typedef struct
                 struct
                 {
                     FSP_FSCTL_TRANSACT_BUF NewFileName;
-                    UINT64 AccessToken; /* request access token (HANDLE) */
+                    UINT64 AccessToken; /* request access token (PID,HANDLE) */
                 } Rename;
             } Info;
         } SetInformation;
@@ -343,6 +370,7 @@ typedef struct
             FSP_FSCTL_TRANSACT_BUF Pattern;
             FSP_FSCTL_TRANSACT_BUF Marker;
             UINT32 CaseSensitive:1;     /* FileName comparisons should be case-sensitive */
+            UINT32 PatternIsFileName:1; /* Pattern does not contain wildcards */
         } QueryDirectory;
         struct
         {

inc/winfsp/launch.h

@@ -0,0 +1,276 @@
+/**
+ * @file winfsp/launch.h
+ * WinFsp Launch API.
+ *
+ * In order to use the WinFsp Launch API a program must include <winfsp/launch.h>
+ * and link with the winfsp_x64.dll (or winfsp_x86.dll) library.
+ *
+ * @copyright 2015-2018 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 file in
+ * accordance with the commercial license agreement provided with the
+ * software.
+ */
+
+#ifndef WINFSP_LAUNCH_H_INCLUDED
+#define WINFSP_LAUNCH_H_INCLUDED
+
+#include <winfsp/winfsp.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define FSP_LAUNCH_REGKEY               "Software\\WinFsp\\Services"
+#define FSP_LAUNCH_REGKEY_WOW64         KEY_WOW64_32KEY
+
+#define FSP_LAUNCH_PIPE_NAME            "\\\\.\\pipe\\WinFsp.{14E7137D-22B4-437A-B0C1-D21D1BDF3767}"
+#define FSP_LAUNCH_PIPE_BUFFER_SIZE     4096
+#define FSP_LAUNCH_PIPE_OWNER           ((PSID)WinLocalSystemSid)
+
+/*
+ * The launcher named pipe SDDL gives full access to LocalSystem and Administrators and
+ * GENERIC_READ and FILE_WRITE_DATA access to Everyone. We are careful not to give the
+ * FILE_CREATE_PIPE_INSTANCE right to Everyone to disallow the creation of additional
+ * pipe instances.
+ */
+#define FSP_LAUNCH_PIPE_SDDL            "O:SYG:SYD:P(A;;GA;;;SY)(A;;GA;;;BA)(A;;GRDCCR;;;WD)"
+
+/*
+ * The default service instance SDDL gives full access to LocalSystem and Administrators.
+ * The only possible service instance rights are as follows:
+ *     RP   SERVICE_START
+ *     WP   SERVICE_STOP
+ *     LC   SERVICE_QUERY_STATUS
+ *
+ * To create a service that can be started, stopped or queried by Everyone, you can set
+ * the following SDDL:
+ *     D:P(A;;RPWPLC;;;WD)
+ */
+#define FSP_LAUNCH_SERVICE_DEFAULT_SDDL "D:P(A;;RPWPLC;;;SY)(A;;RPWPLC;;;BA)"
+#define FSP_LAUNCH_SERVICE_WORLD_SDDL   "D:P(A;;RPWPLC;;;WD)"
+
+enum
+{
+    FspLaunchCmdStart                   = 'S',  /* requires: SERVICE_START */
+    FspLaunchCmdStartWithSecret         = 'X',  /* requires: SERVICE_START */
+    FspLaunchCmdStop                    = 'T',  /* requires: SERVICE_STOP */
+    FspLaunchCmdGetInfo                 = 'I',  /* requires: SERVICE_QUERY_STATUS */
+    FspLaunchCmdGetNameList             = 'L',  /* requires: none*/
+    FspLaunchCmdDefineDosDevice         = 'D',  /* internal: do not use! */
+    FspLaunchCmdQuit                    = 'Q',  /* DEBUG version only */
+};
+
+enum
+{
+    FspLaunchCmdSuccess                 = '$',
+    FspLaunchCmdFailure                 = '!',
+};
+
+/**
+ * @group Launch Control
+ */
+/**
+ * Call launcher pipe.
+ *
+ * This function is used to send a command to the launcher and receive a response.
+ *
+ * @param Command
+ *     Launcher command to send. For example, the 'L' launcher command instructs
+ *     the launcher to list all running service instances.
+ * @param Argc
+ *     Command argument count. May be 0.
+ * @param Argv
+ *     Command argument array. May be NULL.
+ * @param Argl
+ *     Command argument length array. May be NULL. If this is NULL all command arguments
+ *     are assumed to be NULL-terminated strings. It is also possible for specific arguments
+ *     to be NULL-terminated; in this case pass -1 in the corresponding Argl position.
+ * @param Buffer
+ *     Buffer that receives the command response. May be NULL.
+ * @param PSize
+ *     Pointer to a ULONG. On input it contains the size of the Buffer. On output it
+ *     contains the number of bytes transferred. May be NULL.
+ * @param PLauncherError
+ *     Receives the launcher error if any. This is always a Win32 error code. May not be NULL.
+ * @return
+ *     STATUS_SUCCESS if the command is sent successfully to the launcher, even if the launcher
+ *     returns an error. Other status codes indicate a communication error. Launcher errors are
+ *     reported through PLauncherError.
+ */
+FSP_API NTSTATUS FspLaunchCallLauncherPipe(
+    WCHAR Command, ULONG Argc, PWSTR *Argv, ULONG *Argl,
+    PWSTR Buffer, PULONG PSize, PULONG PLauncherError);
+/**
+ * Start a service instance.
+ *
+ * @param ClassName
+ *     Class name of the service instance to start.
+ * @param InstanceName
+ *     Instance name of the service instance to start.
+ * @param Argc
+ *     Service instance argument count. May be 0.
+ * @param Argv
+ *     Service instance argument array. May be NULL.
+ * @param HasSecret
+ *     Whether the last argument in Argv is assumed to be a secret (e.g. password) or not.
+ *     Secrets are passed to service instances through standard input rather than the command
+ *     line.
+ * @param PLauncherError
+ *     Receives the launcher error if any. This is always a Win32 error code. May not be NULL.
+ * @return
+ *     STATUS_SUCCESS if the command is sent successfully to the launcher, even if the launcher
+ *     returns an error. Other status codes indicate a communication error. Launcher errors are
+ *     reported through PLauncherError.
+ */
+FSP_API NTSTATUS FspLaunchStart(
+    PWSTR ClassName, PWSTR InstanceName, ULONG Argc, PWSTR *Argv,
+    BOOLEAN HasSecret,
+    PULONG PLauncherError);
+/**
+ * Stop a service instance.
+ *
+ * @param ClassName
+ *     Class name of the service instance to stop.
+ * @param InstanceName
+ *     Instance name of the service instance to stop.
+ * @param PLauncherError
+ *     Receives the launcher error if any. This is always a Win32 error code. May not be NULL.
+ * @return
+ *     STATUS_SUCCESS if the command is sent successfully to the launcher, even if the launcher
+ *     returns an error. Other status codes indicate a communication error. Launcher errors are
+ *     reported through PLauncherError.
+ */
+FSP_API NTSTATUS FspLaunchStop(
+    PWSTR ClassName, PWSTR InstanceName,
+    PULONG PLauncherError);
+/**
+ * Get information about a service instance.
+ *
+ * The information is a list of NULL-terminated strings: the class name of the service instance,
+ * the instance name of the service instance and the full command line used to start the service
+ * instance.
+ *
+ * @param ClassName
+ *     Class name of the service instance to stop.
+ * @param InstanceName
+ *     Instance name of the service instance to stop.
+ * @param Buffer
+ *     Buffer that receives the command response. May be NULL.
+ * @param PSize
+ *     Pointer to a ULONG. On input it contains the size of the Buffer. On output it
+ *     contains the number of bytes transferred. May be NULL.
+ * @param PLauncherError
+ *     Receives the launcher error if any. This is always a Win32 error code. May not be NULL.
+ * @return
+ *     STATUS_SUCCESS if the command is sent successfully to the launcher, even if the launcher
+ *     returns an error. Other status codes indicate a communication error. Launcher errors are
+ *     reported through PLauncherError.
+ */
+FSP_API NTSTATUS FspLaunchGetInfo(
+    PWSTR ClassName, PWSTR InstanceName,
+    PWSTR Buffer, PULONG PSize,
+    PULONG PLauncherError);
+/**
+ * List service instances.
+ *
+ * The information is a list of pairs of NULL-terminated strings. Each pair contains the class
+ * name and instance name of a service instance. All currently running service instances are
+ * listed.
+ *
+ * @param Buffer
+ *     Buffer that receives the command response. May be NULL.
+ * @param PSize
+ *     Pointer to a ULONG. On input it contains the size of the Buffer. On output it
+ *     contains the number of bytes transferred. May be NULL.
+ * @param PLauncherError
+ *     Receives the launcher error if any. This is always a Win32 error code. May not be NULL.
+ * @return
+ *     STATUS_SUCCESS if the command is sent successfully to the launcher, even if the launcher
+ *     returns an error. Other status codes indicate a communication error. Launcher errors are
+ *     reported through PLauncherError.
+ */
+FSP_API NTSTATUS FspLaunchGetNameList(
+    PWSTR Buffer, PULONG PSize,
+    PULONG PLauncherError);
+
+/**
+ * @group Service Registry
+ */
+#pragma warning(push)
+#pragma warning(disable:4200)           /* zero-sized array in struct/union */
+/**
+ * Service registry record.
+ */
+typedef struct _FSP_LAUNCH_REG_RECORD
+{
+    PWSTR Agent;
+    PWSTR Executable;
+    PWSTR CommandLine;
+    PWSTR WorkDirectory;
+    PWSTR RunAs;
+    PWSTR Security;
+    PVOID Reserved0[6];
+    ULONG JobControl;
+    ULONG Credentials;
+    ULONG Reserved1[6];
+    UINT8 Buffer[];
+} FSP_LAUNCH_REG_RECORD;
+#pragma warning(pop)
+/**
+ * Add/change/delete a service registry record.
+ *
+ * @param ClassName
+ *     The service class name.
+ * @param Record
+ *     The record to set in the registry. If NULL, the registry record is deleted.
+ * @return
+ *     STATUS_SUCCESS or error code.
+ */
+FSP_API NTSTATUS FspLaunchRegSetRecord(
+    PWSTR ClassName,
+    const FSP_LAUNCH_REG_RECORD *Record);
+/**
+ * Get a service registry record.
+ *
+ * @param ClassName
+ *     The service class name.
+ * @param Agent
+ *     The name of the agent that is retrieving the service record. This API matches
+ *     the supplied Agent against the Agent in the service record and it only returns
+ *     the record if they match. Pass NULL to match any Agent.
+ * @param PRecord
+ *     Pointer to a record pointer. Memory for the service record will be allocated
+ *     and a pointer to it will be stored at this address. This memory must be later
+ *     freed using FspLaunchRegFreeRecord.
+ * @return
+ *     STATUS_SUCCESS or error code.
+ * @see
+ *     FspLaunchRegFreeRecord
+ */
+FSP_API NTSTATUS FspLaunchRegGetRecord(
+    PWSTR ClassName, PWSTR Agent,
+    FSP_LAUNCH_REG_RECORD **PRecord);
+/**
+ * Free a service registry record.
+ *
+ * @param Record
+ *     The service record to free.
+ * @see
+ *     FspLaunchRegGetRecord
+ */
+FSP_API VOID FspLaunchRegFreeRecord(
+    FSP_LAUNCH_REG_RECORD *Record);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

inc/winfsp/winfsp.h

@@ -5,7 +5,7 @@
  * In order to use the WinFsp API the user mode file system must include <winfsp/winfsp.h>
  * and link with the winfsp_x64.dll (or winfsp_x86.dll) library.
  *
- * @copyright 2015-2017 Bill Zissimopoulos
+ * @copyright 2015-2018 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.
@@ -26,7 +26,10 @@
 #include <windows.h>
 #undef WIN32_NO_STATUS
 #include <winternl.h>
+#pragma warning(push)
+#pragma warning(disable:4005)           /* macro redefinition */
 #include <ntstatus.h>
+#pragma warning(pop)
 
 #if defined(WINFSP_DLL_INTERNAL)
 #define FSP_API                         __declspec(dllexport)
@@ -799,12 +802,32 @@ typedef struct _FSP_FILE_SYSTEM_INTERFACE
     NTSTATUS (*GetStreamInfo)(FSP_FILE_SYSTEM *FileSystem,
         PVOID FileContext, PVOID Buffer, ULONG Length,
         PULONG PBytesTransferred);
+    /**
+     * Get directory information for a single file or directory within a parent directory.
+     *
+     * @param FileSystem
+     *     The file system on which this request is posted.
+     * @param FileContext
+     *     The file context of the parent directory.
+     * @param FileName
+     *     The name of the file or directory to get information for. This name is relative
+     *     to the parent directory and is a single path component.
+     * @param DirInfo [out]
+     *     Pointer to a structure that will receive the directory information on successful
+     *     return from this call. This information includes the file name, but also file
+     *     attributes, file times, etc.
+     * @return
+     *     STATUS_SUCCESS or error code.
+     */
+    NTSTATUS (*GetDirInfoByName)(FSP_FILE_SYSTEM *FileSystem,
+        PVOID FileContext, PWSTR FileName,
+        FSP_FSCTL_DIR_INFO *DirInfo);
 
     /*
      * This ensures that this interface will always contain 64 function pointers.
      * Please update when changing the interface as it is important for future compatibility.
      */
-    NTSTATUS (*Reserved[40])();
+    NTSTATUS (*Reserved[39])();
 } FSP_FILE_SYSTEM_INTERFACE;
 FSP_FSCTL_STATIC_ASSERT(sizeof(FSP_FILE_SYSTEM_INTERFACE) == 64 * sizeof(NTSTATUS (*)()),
     "FSP_FILE_SYSTEM_INTERFACE must have 64 entries.");
@@ -893,6 +916,8 @@ FSP_API VOID FspFileSystemDelete(FSP_FILE_SYSTEM *FileSystem);
  *     STATUS_SUCCESS or error code.
  */
 FSP_API NTSTATUS FspFileSystemSetMountPoint(FSP_FILE_SYSTEM *FileSystem, PWSTR MountPoint);
+FSP_API NTSTATUS FspFileSystemSetMountPointEx(FSP_FILE_SYSTEM *FileSystem, PWSTR MountPoint,
+    PSECURITY_DESCRIPTOR SecurityDescriptor);
 /**
  * Remove the mount point for a file system.
  *
@@ -961,6 +986,7 @@ PWSTR FspFileSystemMountPoint(FSP_FILE_SYSTEM *FileSystem)
 {
     return FileSystem->MountPoint;
 }
+FSP_API PWSTR FspFileSystemMountPointF(FSP_FILE_SYSTEM *FileSystem);
 static inline
 NTSTATUS FspFileSystemEnterOperation(FSP_FILE_SYSTEM *FileSystem,
     FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_RSP *Response)
@@ -970,6 +996,8 @@ NTSTATUS FspFileSystemEnterOperation(FSP_FILE_SYSTEM *FileSystem,
 
     return FileSystem->EnterOperation(FileSystem, Request, Response);
 }
+FSP_API NTSTATUS FspFileSystemEnterOperationF(FSP_FILE_SYSTEM *FileSystem,
+    FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_RSP *Response);
 static inline
 NTSTATUS FspFileSystemLeaveOperation(FSP_FILE_SYSTEM *FileSystem,
     FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_RSP *Response)
@@ -979,6 +1007,8 @@ NTSTATUS FspFileSystemLeaveOperation(FSP_FILE_SYSTEM *FileSystem,
 
     return FileSystem->LeaveOperation(FileSystem, Request, Response);
 }
+FSP_API NTSTATUS FspFileSystemLeaveOperationF(FSP_FILE_SYSTEM *FileSystem,
+    FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_RSP *Response);
 static inline
 VOID FspFileSystemSetOperationGuard(FSP_FILE_SYSTEM *FileSystem,
     FSP_FILE_SYSTEM_OPERATION_GUARD *EnterOperation,
@@ -987,6 +1017,9 @@ VOID FspFileSystemSetOperationGuard(FSP_FILE_SYSTEM *FileSystem,
     FileSystem->EnterOperation = EnterOperation;
     FileSystem->LeaveOperation = LeaveOperation;
 }
+FSP_API VOID FspFileSystemSetOperationGuardF(FSP_FILE_SYSTEM *FileSystem,
+    FSP_FILE_SYSTEM_OPERATION_GUARD *EnterOperation,
+    FSP_FILE_SYSTEM_OPERATION_GUARD *LeaveOperation);
 /**
  * Set file system locking strategy.
  *
@@ -1003,6 +1036,8 @@ VOID FspFileSystemSetOperationGuardStrategy(FSP_FILE_SYSTEM *FileSystem,
 {
     FileSystem->OpGuardStrategy = GuardStrategy;
 }
+FSP_API VOID FspFileSystemSetOperationGuardStrategyF(FSP_FILE_SYSTEM *FileSystem,
+    FSP_FILE_SYSTEM_OPERATION_GUARD_STRATEGY GuardStrategy);
 static inline
 VOID FspFileSystemSetOperation(FSP_FILE_SYSTEM *FileSystem,
     ULONG Index,
@@ -1010,6 +1045,9 @@ VOID FspFileSystemSetOperation(FSP_FILE_SYSTEM *FileSystem,
 {
     FileSystem->Operations[Index] = Operation;
 }
+FSP_API VOID FspFileSystemSetOperationF(FSP_FILE_SYSTEM *FileSystem,
+    ULONG Index,
+    FSP_FILE_SYSTEM_OPERATION *Operation);
 static inline
 VOID FspFileSystemGetDispatcherResult(FSP_FILE_SYSTEM *FileSystem,
     NTSTATUS *PDispatcherResult)
@@ -1018,6 +1056,8 @@ VOID FspFileSystemGetDispatcherResult(FSP_FILE_SYSTEM *FileSystem,
     *PDispatcherResult = FileSystem->DispatcherResult;
     MemoryBarrier();
 }
+FSP_API VOID FspFileSystemGetDispatcherResultF(FSP_FILE_SYSTEM *FileSystem,
+    NTSTATUS *PDispatcherResult);
 static inline
 VOID FspFileSystemSetDispatcherResult(FSP_FILE_SYSTEM *FileSystem,
     NTSTATUS DispatcherResult)
@@ -1026,12 +1066,16 @@ VOID FspFileSystemSetDispatcherResult(FSP_FILE_SYSTEM *FileSystem,
         return;
     InterlockedCompareExchange(&FileSystem->DispatcherResult, DispatcherResult, 0);
 }
+FSP_API VOID FspFileSystemSetDispatcherResultF(FSP_FILE_SYSTEM *FileSystem,
+    NTSTATUS DispatcherResult);
 static inline
 VOID FspFileSystemSetDebugLog(FSP_FILE_SYSTEM *FileSystem,
     UINT32 DebugLog)
 {
     FileSystem->DebugLog = DebugLog;
 }
+FSP_API VOID FspFileSystemSetDebugLogF(FSP_FILE_SYSTEM *FileSystem,
+    UINT32 DebugLog);
 static inline
 BOOLEAN FspFileSystemIsOperationCaseSensitive(VOID)
 {
@@ -1040,6 +1084,29 @@ BOOLEAN FspFileSystemIsOperationCaseSensitive(VOID)
         FspFsctlTransactCreateKind == Request->Kind && Request->Req.Create.CaseSensitive ||
         FspFsctlTransactQueryDirectoryKind == Request->Kind && Request->Req.QueryDirectory.CaseSensitive;
 }
+FSP_API BOOLEAN FspFileSystemIsOperationCaseSensitiveF(VOID);
+/**
+ * Gets the originating process ID.
+ *
+ * Valid only during Create, Open and Rename requests when the target exists.
+ */
+static inline
+UINT32 FspFileSystemOperationProcessId(VOID)
+{
+    FSP_FSCTL_TRANSACT_REQ *Request = FspFileSystemGetOperationContext()->Request;
+    switch (Request->Kind)
+    {
+    case FspFsctlTransactCreateKind:
+        return FSP_FSCTL_TRANSACT_REQ_TOKEN_PID(Request->Req.Create.AccessToken);
+    case FspFsctlTransactSetInformationKind:
+        if (10/*FileRenameInformation*/ == Request->Req.SetInformation.FileInformationClass)
+            return FSP_FSCTL_TRANSACT_REQ_TOKEN_PID(Request->Req.SetInformation.Info.Rename.AccessToken);
+        /* fall through! */
+    default:
+        return 0;
+    }
+}
+FSP_API UINT32 FspFileSystemOperationProcessIdF(VOID);
 
 /*
  * Operations
@@ -1405,6 +1472,21 @@ NTSTATUS FspPosixMapPosixToWindowsPath(const char *PosixPath, PWSTR *PWindowsPat
 FSP_API VOID FspPosixDeletePath(void *Path);
 FSP_API VOID FspPosixEncodeWindowsPath(PWSTR WindowsPath, ULONG Size);
 FSP_API VOID FspPosixDecodeWindowsPath(PWSTR WindowsPath, ULONG Size);
+static inline
+VOID FspPosixFileTimeToUnixTime(UINT64 FileTime0, __int3264 UnixTime[2])
+{
+    INT64 FileTime = (INT64)FileTime0 - 116444736000000000LL;
+    UnixTime[0] = (__int3264)(FileTime / 10000000);
+    UnixTime[1] = (__int3264)(FileTime % 10000000 * 100);
+        /* may produce negative nsec for times before UNIX epoch; strictly speaking this is incorrect */
+}
+static inline
+VOID FspPosixUnixTimeToFileTime(const __int3264 UnixTime[2], PUINT64 PFileTime)
+{
+    INT64 FileTime = (INT64)UnixTime[0] * 10000000 + (INT64)UnixTime[1] / 100 +
+        116444736000000000LL;
+    *PFileTime = FileTime;
+}
 
 /*
  * Path Handling
@@ -1593,6 +1675,19 @@ FSP_API VOID FspServiceStop(FSP_SERVICE *Service);
  *     TRUE if the process is running in running user interactive mode.
  */
 FSP_API BOOLEAN FspServiceIsInteractive(VOID);
+/**
+ * Check if the supplied token is from the service context.
+ *
+ * @param Token
+ *     Token to check. Pass NULL to check the current process token.
+ * @param PIsLocalSystem
+ *     Pointer to a boolean that will receive a TRUE value if the token belongs to LocalSystem
+ *     and FALSE otherwise. May be NULL.
+ * @return
+ *     STATUS_SUCCESS if the token is from the service context. STATUS_ACCESS_DENIED if it is not.
+ *     Other error codes are possible.
+ */
+FSP_API NTSTATUS FspServiceContextCheck(HANDLE Token, PBOOLEAN PIsLocalSystem);
 /**
  * Log a service message.
  *
@@ -1618,6 +1713,7 @@ FSP_API VOID FspEventLogV(ULONG Type, PWSTR Format, va_list ap);
 FSP_API VOID FspDebugLogSetHandle(HANDLE Handle);
 FSP_API VOID FspDebugLog(const char *Format, ...);
 FSP_API VOID FspDebugLogSD(const char *Format, PSECURITY_DESCRIPTOR SecurityDescriptor);
+FSP_API VOID FspDebugLogSid(const char *format, PSID Sid);
 FSP_API VOID FspDebugLogFT(const char *Format, PFILETIME FileTime);
 FSP_API VOID FspDebugLogRequest(FSP_FSCTL_TRANSACT_REQ *Request);
 FSP_API VOID FspDebugLogResponse(FSP_FSCTL_TRANSACT_RSP *Response);
@@ -1625,6 +1721,7 @@ FSP_API NTSTATUS FspCallNamedPipeSecurely(PWSTR PipeName,
     PVOID InBuffer, ULONG InBufferSize, PVOID OutBuffer, ULONG OutBufferSize,
     PULONG PBytesTransferred, ULONG Timeout,
     PSID Sid);
+FSP_API NTSTATUS FspVersion(PUINT32 PVersion);
 
 /*
  * Delay load
@@ -1639,6 +1736,18 @@ NTSTATUS FspLoad(PVOID *PModule)
 #endif
 #define FSP_DLLPATH                     "bin\\" FSP_DLLNAME
 
+    WINADVAPI
+    LSTATUS
+    APIENTRY
+    RegGetValueW(
+        HKEY hkey,
+        LPCWSTR lpSubKey,
+        LPCWSTR lpValue,
+        DWORD dwFlags,
+        LPDWORD pdwType,
+        PVOID pvData,
+        LPDWORD pcbData);
+
     WCHAR PathBuf[MAX_PATH];
     DWORD Size;
     HKEY RegKey;

opt/cygfuse/Makefile

@@ -18,3 +18,13 @@ cygport:
 			> opt/cygfuse/winfsp-work.tar.gz\
 	)
 	CYGPORT_SRC_URI=winfsp-work.tar.gz CYGPORT_SRC_DIR=winfsp-work cygport fuse.cygport download prep compile install package
+
+dist: cygport
+	case $(shell uname -m) in \
+	x86_64)\
+		mkdir -p dist/x64 && \
+		cp fuse-*/dist/fuse/fuse-*[0-9].tar.xz dist/x64 ;;\
+	*)\
+		mkdir -p dist/x86 && \
+		cp fuse-*/dist/fuse/fuse-*[0-9].tar.xz dist/x86 ;;\
+	esac

opt/cygfuse/cygfuse.c

@@ -1,7 +1,7 @@
 /**
  * @file cygfuse/cygfuse.c
  *
- * @copyright 2015-2017 Bill Zissimopoulos
+ * @copyright 2015-2018 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.
@@ -17,22 +17,39 @@
 
 #include <dlfcn.h>
 #include <pthread.h>
+#include <stdio.h>
 #include <string.h>
 #include <unistd.h>
 #include <sys/cygwin.h>
 
+static void *cygfuse_init_slow(int force);
 static void *cygfuse_init_winfsp();
-static void *cygfuse_init_fail();
 
 static pthread_mutex_t cygfuse_mutex = PTHREAD_MUTEX_INITIALIZER;
 static void *cygfuse_handle = 0;
 
-static inline void cygfuse_init(int force)
+static inline void *cygfuse_init_fast(void)
 {
+    void *handle = cygfuse_handle;
+    __sync_synchronize(); /* memory barrier */
+    if (0 == handle)
+        handle = cygfuse_init_slow(0);
+    return handle;
+}
+
+static void *cygfuse_init_slow(int force)
+{
+    void *handle;
     pthread_mutex_lock(&cygfuse_mutex);
-    if (force || 0 == cygfuse_handle)
-        cygfuse_handle = cygfuse_init_winfsp();
+    handle = cygfuse_handle;
+    if (force || 0 == handle)
+    {
+        handle = cygfuse_init_winfsp();
+        __sync_synchronize(); /* memory barrier */
+        cygfuse_handle = handle;
+    }
     pthread_mutex_unlock(&cygfuse_mutex);
+    return handle;
 }
 
 /*
@@ -50,7 +67,7 @@ static inline int cygfuse_daemon(int nochdir, int noclose)
         return -1;
 
     /* force reload of WinFsp DLL to workaround fork() problems */
-    cygfuse_init(1);
+    cygfuse_init_slow(1);
 
     return 0;
 }
@@ -58,7 +75,7 @@ static inline int cygfuse_daemon(int nochdir, int noclose)
 
 #define FSP_FUSE_API                    static
 #define FSP_FUSE_API_NAME(api)          (* pfn_ ## api)
-#define FSP_FUSE_API_CALL(api)          (cygfuse_init(0), pfn_ ## api)
+#define FSP_FUSE_API_CALL(api)          (cygfuse_init_fast(), pfn_ ## api)
 #define FSP_FUSE_SYM(proto, ...)        __attribute__ ((visibility("default"))) proto { __VA_ARGS__ }
 #include <fuse_common.h>
 #include <fuse.h>
@@ -74,6 +91,7 @@ static inline int cygfuse_daemon(int nochdir, int noclose)
     if (0 == (*(void **)&(pfn_ ## n) = dlsym(h, #n)))\
         return cygfuse_init_fail();
 
+static void *cygfuse_init_fail();
 static void *cygfuse_init_winfsp()
 {
     void *h;
@@ -125,6 +143,7 @@ static void *cygfuse_init_winfsp()
     CYGFUSE_GET_API(h, fsp_fuse_loop);
     CYGFUSE_GET_API(h, fsp_fuse_loop_mt);
     CYGFUSE_GET_API(h, fsp_fuse_exit);
+    CYGFUSE_GET_API(h, fsp_fuse_exited);
     CYGFUSE_GET_API(h, fsp_fuse_get_context);
 
     /* fuse_opt.h */
@@ -141,6 +160,7 @@ static void *cygfuse_init_winfsp()
 
 static void *cygfuse_init_fail()
 {
-    abort();
+    fprintf(stderr, "cygfuse: initialization failed: " CYGFUSE_WINFSP_NAME " not found\n");
+    exit(1);
     return 0;
 }

opt/cygfuse/dist/install.sh

@@ -0,0 +1,8 @@
+cd "$(dirname "$0")"
+case $(uname -m) in
+x86_64)
+    tar -C/ -xaf x64/fuse-2.8-*.tar.xz ;;
+*)
+    tar -C/ -xaf x86/fuse-2.8-*.tar.xz ;;
+esac
+echo FUSE for Cygwin installed.

opt/cygfuse/dist/uninstall.sh

@@ -0,0 +1,8 @@
+cd "$(dirname "$0")"
+case $(uname -m) in
+x86_64)
+    tar -taf x64/fuse-2.8-*.tar.xz | sed -e '/\/$/d' -e 's/.*/\/&/' | xargs rm -f ;;
+*)
+    tar -taf x86/fuse-2.8-*.tar.xz | sed -e '/\/$/d' -e 's/.*/\/&/' | xargs rm -f ;;
+esac
+echo FUSE for Cygwin uninstalled.

opt/cygfuse/fuse.cygport

@@ -1,6 +1,6 @@
 NAME="fuse"
 VERSION=2.8
-RELEASE=3
+RELEASE=8
 CATEGORY="Utils"
 SUMMARY="WinFsp-FUSE compatibility layer"
 DESCRIPTION="WinFsp-FUSE enables FUSE file systems to be run on Cygwin."

src/dll/debug.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/debug.c
  *
- * @copyright 2015-2017 Bill Zissimopoulos
+ * @copyright 2015-2018 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.
@@ -63,6 +63,21 @@ FSP_API VOID FspDebugLogSD(const char *format, PSECURITY_DESCRIPTOR SecurityDesc
         FspDebugLog(format, "invalid security descriptor");
 }
 
+FSP_API VOID FspDebugLogSid(const char *format, PSID Sid)
+{
+    char *S;
+
+    if (0 == Sid)
+        FspDebugLog(format, "null SID");
+    else if (ConvertSidToStringSidA(Sid, &S))
+    {
+        FspDebugLog(format, S);
+        LocalFree(S);
+    }
+    else
+        FspDebugLog(format, "invalid SID");
+}
+
 FSP_API VOID FspDebugLogFT(const char *format, PFILETIME FileTime)
 {
     SYSTEMTIME SystemTime;
@@ -302,7 +317,7 @@ FSP_API VOID FspDebugLogRequest(FSP_FSCTL_TRANSACT_REQ *Request)
         FspDebugLog("%S[TID=%04lx]: %p: >>Create [%c%c%c%c%c%c] \"%S\", "
             "%s, CreateOptions=%lx, FileAttributes=%lx, Security=%s%s%s, "
             "AllocationSize=%lx:%lx, "
-            "AccessToken=%p, DesiredAccess=%lx, GrantedAccess=%lx, "
+            "AccessToken=%p[PID=%lx], DesiredAccess=%lx, GrantedAccess=%lx, "
             "ShareAccess=%lx\n",
             FspDiagIdent(), GetCurrentThreadId(), (PVOID)Request->Hint,
             Request->Req.Create.UserMode ? 'U' : 'K',
@@ -319,7 +334,8 @@ FSP_API VOID FspDebugLogRequest(FSP_FSCTL_TRANSACT_REQ *Request)
             Sddl ? Sddl : "NULL",
             Sddl ? "\"" : "",
             MAKE_UINT32_PAIR(Request->Req.Create.AllocationSize),
-            (PVOID)Request->Req.Create.AccessToken,
+            FSP_FSCTL_TRANSACT_REQ_TOKEN_HANDLE(Request->Req.Create.AccessToken),
+            FSP_FSCTL_TRANSACT_REQ_TOKEN_PID(Request->Req.Create.AccessToken),
             Request->Req.Create.DesiredAccess,
             Request->Req.Create.GrantedAccess,
             Request->Req.Create.ShareAccess);
@@ -459,7 +475,7 @@ FSP_API VOID FspDebugLogRequest(FSP_FSCTL_TRANSACT_REQ *Request)
             break;
         case 10/*FileRenameInformation*/:
             FspDebugLog("%S[TID=%04lx]: %p: >>SetInformation [Rename] %s%S%s%s, "
-                "NewFileName=\"%S\", AccessToken=%p\n",
+                "NewFileName=\"%S\", AccessToken=%p[PID=%lx]\n",
                 FspDiagIdent(), GetCurrentThreadId(), (PVOID)Request->Hint,
                 Request->FileName.Size ? "\"" : "",
                 Request->FileName.Size ? (PWSTR)Request->Buffer : L"",
@@ -468,7 +484,8 @@ FSP_API VOID FspDebugLogRequest(FSP_FSCTL_TRANSACT_REQ *Request)
                     Request->Req.SetInformation.UserContext, Request->Req.SetInformation.UserContext2,
                     UserContextBuf),
                 (PWSTR)(Request->Buffer + Request->Req.SetInformation.Info.Rename.NewFileName.Offset),
-                (PVOID)Request->Req.SetInformation.Info.Rename.AccessToken);
+                FSP_FSCTL_TRANSACT_REQ_TOKEN_HANDLE(Request->Req.SetInformation.Info.Rename.AccessToken),
+                FSP_FSCTL_TRANSACT_REQ_TOKEN_PID(Request->Req.SetInformation.Info.Rename.AccessToken));
             break;
         default:
             FspDebugLog("%S[TID=%04lx]: %p: >>SetInformation [INVALID] %s%S%s%s\n",

src/dll/dirbuf.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/dirbuf.c
  *
- * @copyright 2015-2017 Bill Zissimopoulos
+ * @copyright 2015-2018 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/eventlog.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/eventlog.c
  *
- * @copyright 2015-2017 Bill Zissimopoulos
+ * @copyright 2015-2018 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/fs.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/fs.c
  *
- * @copyright 2015-2017 Bill Zissimopoulos
+ * @copyright 2015-2018 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.
@@ -187,20 +187,115 @@ FSP_API VOID FspFileSystemDelete(FSP_FILE_SYSTEM *FileSystem)
     MemFree(FileSystem);
 }
 
-static NTSTATUS FspFileSystemSetMountPoint_CreateDirectory(PWSTR MountPoint, PWSTR VolumeName)
+static NTSTATUS FspFileSystemLauncherDefineDosDevice(
+    WCHAR Sign, PWSTR MountPoint, PWSTR VolumeName)
+{
+    if (2 != lstrlenW(MountPoint) ||
+        FSP_FSCTL_VOLUME_NAME_SIZEMAX / sizeof(WCHAR) <= lstrlenW(VolumeName))
+        return STATUS_INVALID_PARAMETER;
+
+    WCHAR Argv0[4];
+    PWSTR Argv[2];
+    NTSTATUS Result;
+    ULONG ErrorCode;
+
+    Argv0[0] = Sign;
+    Argv0[1] = MountPoint[0];
+    Argv0[2] = MountPoint[1];
+    Argv0[3] = L'\0';
+
+    Argv[0] = Argv0;
+    Argv[1] = VolumeName;
+
+    Result = FspLaunchCallLauncherPipe(FspLaunchCmdDefineDosDevice, 2, Argv, 0, 0, 0, &ErrorCode);
+    return !NT_SUCCESS(Result) ? Result : FspNtStatusFromWin32(ErrorCode);
+}
+
+static NTSTATUS FspFileSystemSetMountPoint_Drive(PWSTR MountPoint, PWSTR VolumeName,
+    PHANDLE PMountHandle)
 {
     NTSTATUS Result;
-    HANDLE DirHandle;
-    BOOL Success;
+    BOOLEAN IsLocalSystem, IsServiceContext;
+
+    *PMountHandle = 0;
+
+    Result = FspServiceContextCheck(0, &IsLocalSystem);
+    IsServiceContext = NT_SUCCESS(Result) && !IsLocalSystem;
+    if (IsServiceContext)
+    {
+        /*
+         * If the current process is in the service context but not LocalSystem,
+         * ask the launcher to DefineDosDevice for us. This is because the launcher
+         * runs in the LocalSystem context and can create global drives.
+         *
+         * In this case the launcher will also add DELETE access to the drive symlink
+         * for us, so that we can make it temporary below.
+         */
+        Result = FspFileSystemLauncherDefineDosDevice(L'+', MountPoint, VolumeName);
+        if (!NT_SUCCESS(Result))
+            return Result;
+    }
+    else
+    {
+        if (!DefineDosDeviceW(DDD_RAW_TARGET_PATH, MountPoint, VolumeName))
+            return FspNtStatusFromWin32(GetLastError());
+    }
+
+    if (0 != FspNtOpenSymbolicLinkObject)
+    {
+        WCHAR SymlinkBuf[6];
+        UNICODE_STRING Symlink;
+        OBJECT_ATTRIBUTES Obja;
+
+        memcpy(SymlinkBuf, L"\\??\\X:", sizeof SymlinkBuf);
+        SymlinkBuf[4] = MountPoint[0];
+        Symlink.Length = Symlink.MaximumLength = sizeof SymlinkBuf;
+        Symlink.Buffer = SymlinkBuf;
+
+        memset(&Obja, 0, sizeof Obja);
+        Obja.Length = sizeof Obja;
+        Obja.ObjectName = &Symlink;
+        Obja.Attributes = OBJ_CASE_INSENSITIVE;
+
+        Result = FspNtOpenSymbolicLinkObject(PMountHandle, DELETE, &Obja);
+        if (NT_SUCCESS(Result))
+        {
+            Result = FspNtMakeTemporaryObject(*PMountHandle);
+            if (!NT_SUCCESS(Result))
+            {
+                FspNtClose(*PMountHandle);
+                *PMountHandle = 0;
+            }
+        }
+    }
+
+    /* HACK:
+     *
+     * Handles do not use the low 2 bits (unless they are console handles).
+     * Abuse this fact to remember that we are running in the service context.
+     */
+    *PMountHandle = (HANDLE)(UINT_PTR)((DWORD)(UINT_PTR)*PMountHandle | IsServiceContext);
+
+    return STATUS_SUCCESS;
+}
+
+static NTSTATUS FspFileSystemSetMountPoint_Directory(PWSTR MountPoint, PWSTR VolumeName,
+    PSECURITY_DESCRIPTOR SecurityDescriptor, PHANDLE PMountHandle)
+{
+    NTSTATUS Result;
+    SECURITY_ATTRIBUTES SecurityAttributes;
+    HANDLE MountHandle = INVALID_HANDLE_VALUE;
     DWORD Backslashes, Bytes;
     USHORT VolumeNameLength, BackslashLength, ReparseDataLength;
     PREPARSE_DATA_BUFFER ReparseData = 0;
     PWSTR P, PathBuffer;
 
+    *PMountHandle = 0;
+
     /*
      * Windows does not allow mount points (junctions) to point to network file systems.
      *
-     * Count how many backslashes our VolumeName. If it is 3 or more this is a network
+     * Count how many backslashes our VolumeName has. If it is 3 or more this is a network
      * file system. Preemptively return STATUS_NETWORK_ACCESS_DENIED.
      */
     for (P = VolumeName, Backslashes = 0; *P; P++)
@@ -211,25 +306,24 @@ static NTSTATUS FspFileSystemSetMountPoint_CreateDirectory(PWSTR MountPoint, PWS
                 goto exit;
             }
 
-    if (!CreateDirectoryW(MountPoint, 0))
+    memset(&SecurityAttributes, 0, sizeof SecurityAttributes);
+    SecurityAttributes.nLength = sizeof SecurityAttributes;
+    SecurityAttributes.lpSecurityDescriptor = SecurityDescriptor;
+
+    MountHandle = CreateFileW(MountPoint,
+        FILE_WRITE_ATTRIBUTES,
+        FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
+        &SecurityAttributes,
+        CREATE_NEW,
+        FILE_ATTRIBUTE_DIRECTORY |
+            FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_POSIX_SEMANTICS | FILE_FLAG_DELETE_ON_CLOSE,
+        0);
+    if (INVALID_HANDLE_VALUE == MountHandle)
     {
         Result = FspNtStatusFromWin32(GetLastError());
         goto exit;
     }
 
-    DirHandle = CreateFileW(MountPoint,
-        FILE_WRITE_ATTRIBUTES,
-        FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
-        0,
-        OPEN_EXISTING,
-        FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OPEN_REPARSE_POINT,
-        0);
-    if (INVALID_HANDLE_VALUE == DirHandle)
-    {
-        Result = FspNtStatusFromWin32(GetLastError());
-        goto rmdir_and_exit;
-    }
-
     VolumeNameLength = (USHORT)lstrlenW(VolumeName);
     BackslashLength = 0 == VolumeNameLength || L'\\' != VolumeName[VolumeNameLength - 1];
     VolumeNameLength *= sizeof(WCHAR);
@@ -243,7 +337,7 @@ static NTSTATUS FspFileSystemSetMountPoint_CreateDirectory(PWSTR MountPoint, PWS
     if (0 == ReparseData)
     {
         Result = STATUS_INSUFFICIENT_RESOURCES;
-        goto rmdir_and_exit;
+        goto exit;
     }
 
     ReparseData->ReparseTag = IO_REPARSE_TAG_MOUNT_POINT;
@@ -270,86 +364,35 @@ static NTSTATUS FspFileSystemSetMountPoint_CreateDirectory(PWSTR MountPoint, PWS
         PathBuffer[VolumeNameLength / sizeof(WCHAR)] = L'\\';
     PathBuffer[(VolumeNameLength + BackslashLength) / sizeof(WCHAR)] = L'\0';
 
-    Success = DeviceIoControl(DirHandle, FSCTL_SET_REPARSE_POINT,
+    if (!DeviceIoControl(MountHandle, FSCTL_SET_REPARSE_POINT,
         ReparseData, REPARSE_DATA_BUFFER_HEADER_SIZE + ReparseData->ReparseDataLength,
         0, 0,
-        &Bytes, 0);
-    CloseHandle(DirHandle);
-    if (!Success)
+        &Bytes, 0))
     {
         Result = FspNtStatusFromWin32(GetLastError());
-        goto rmdir_and_exit;
+        goto exit;
     }
 
+    *PMountHandle = MountHandle;
+
     Result = STATUS_SUCCESS;
 
 exit:
+    if (!NT_SUCCESS(Result) && INVALID_HANDLE_VALUE != MountHandle)
+        CloseHandle(MountHandle);
+
     MemFree(ReparseData);
-    return Result;
-
-rmdir_and_exit:
-    RemoveDirectoryW(MountPoint);
-    goto exit;
-}
-
-static NTSTATUS FspFileSystemSetMountPoint_MakeTemporary(PWSTR MountPoint, PHANDLE PMountHandle)
-{
-    NTSTATUS Result = STATUS_SUCCESS;
-    HANDLE MountHandle = 0;
-
-    if (FspPathIsDrive(MountPoint))
-    {
-        if (0 != FspNtOpenSymbolicLinkObject)
-        {
-            WCHAR SymlinkBuf[6];
-            UNICODE_STRING Symlink;
-            OBJECT_ATTRIBUTES Obja;
-
-            memcpy(SymlinkBuf, L"\\??\\X:", sizeof SymlinkBuf);
-            SymlinkBuf[4] = MountPoint[0];
-            Symlink.Length = Symlink.MaximumLength = sizeof SymlinkBuf;
-            Symlink.Buffer = SymlinkBuf;
-
-            memset(&Obja, 0, sizeof Obja);
-            Obja.Length = sizeof Obja;
-            Obja.ObjectName = &Symlink;
-            Obja.Attributes = OBJ_CASE_INSENSITIVE;
-
-            Result = FspNtOpenSymbolicLinkObject(&MountHandle, DELETE, &Obja);
-            if (NT_SUCCESS(Result))
-            {
-                Result = FspNtMakeTemporaryObject(MountHandle);
-                if (!NT_SUCCESS(Result))
-                {
-                    FspNtClose(MountHandle);
-                    MountHandle = 0;
-                }
-            }
-        }
-    }
-    else
-    {
-        /* open the directory for DELETE_ON_CLOSE; closing it will remove the directory */
-        MountHandle = CreateFileW(MountPoint,
-            FILE_READ_ATTRIBUTES,
-            FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
-            0,
-            OPEN_EXISTING,
-            FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OPEN_REPARSE_POINT | FILE_FLAG_DELETE_ON_CLOSE,
-            0);
-        if (INVALID_HANDLE_VALUE == MountHandle)
-        {
-            MountHandle = 0;
-            Result = FspNtStatusFromWin32(GetLastError());
-        }
-    }
-
-    *PMountHandle = MountHandle;
 
     return Result;
 }
 
 FSP_API NTSTATUS FspFileSystemSetMountPoint(FSP_FILE_SYSTEM *FileSystem, PWSTR MountPoint)
+{
+    return FspFileSystemSetMountPointEx(FileSystem, MountPoint, 0);
+}
+
+FSP_API NTSTATUS FspFileSystemSetMountPointEx(FSP_FILE_SYSTEM *FileSystem, PWSTR MountPoint,
+    PSECURITY_DESCRIPTOR SecurityDescriptor)
 {
     if (0 != FileSystem->MountPoint)
         return STATUS_INVALID_PARAMETER;
@@ -375,12 +418,11 @@ FSP_API NTSTATUS FspFileSystemSetMountPoint(FSP_FILE_SYSTEM *FileSystem, PWSTR M
                 if (0 == (Drives & (1 << (Drive - 'A'))))
                 {
                     MountPoint[0] = Drive;
-                    if (DefineDosDeviceW(DDD_RAW_TARGET_PATH, MountPoint, FileSystem->VolumeName))
-                    {
-                        Result = STATUS_SUCCESS;
+                    Result = FspFileSystemSetMountPoint_Drive(MountPoint, FileSystem->VolumeName,
+                        &MountHandle);
+                    if (NT_SUCCESS(Result))
                         goto exit;
                 }
-                }
             Result = STATUS_NO_SUCH_DEVICE;
         }
         else
@@ -400,22 +442,16 @@ FSP_API NTSTATUS FspFileSystemSetMountPoint(FSP_FILE_SYSTEM *FileSystem, PWSTR M
         MountPoint = P;
 
         if (FspPathIsDrive(MountPoint))
-        {
-            if (DefineDosDeviceW(DDD_RAW_TARGET_PATH, MountPoint, FileSystem->VolumeName))
-                Result = STATUS_SUCCESS;
+            Result = FspFileSystemSetMountPoint_Drive(MountPoint, FileSystem->VolumeName,
+                &MountHandle);
         else
-                Result = FspNtStatusFromWin32(GetLastError());
-        }
-        else
-            Result = FspFileSystemSetMountPoint_CreateDirectory(MountPoint, FileSystem->VolumeName);
+            Result = FspFileSystemSetMountPoint_Directory(MountPoint, FileSystem->VolumeName,
+                SecurityDescriptor, &MountHandle);
     }
 
 exit:
     if (NT_SUCCESS(Result))
     {
-        FspFileSystemSetMountPoint_MakeTemporary(MountPoint, &MountHandle);
-            /* ignore result; this path always considered successful */
-
         FileSystem->MountPoint = MountPoint;
         FileSystem->MountHandle = MountHandle;
     }
@@ -425,34 +461,46 @@ exit:
     return Result;
 }
 
+static VOID FspFileSystemRemoveMountPoint_Drive(PWSTR MountPoint, PWSTR VolumeName, HANDLE MountHandle)
+{
+    BOOLEAN IsServiceContext = 0 != ((DWORD)(UINT_PTR)MountHandle & 1);
+    MountHandle = (HANDLE)(UINT_PTR)((DWORD)(UINT_PTR)MountHandle & ~1);
+    if (IsServiceContext)
+        /*
+         * If the current process is in the service context but not LocalSystem,
+         * ask the launcher to DefineDosDevice for us. This is because the launcher
+         * runs in the LocalSystem context and can remove global drives.
+         */
+        FspFileSystemLauncherDefineDosDevice(L'-', MountPoint, VolumeName);
+    else
+        DefineDosDeviceW(DDD_RAW_TARGET_PATH | DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE,
+            MountPoint, VolumeName);
+
+    if (0 != MountHandle)
+        FspNtClose(MountHandle);
+}
+
+static VOID FspFileSystemRemoveMountPoint_Directory(HANDLE MountHandle)
+{
+    /* directory is marked DELETE_ON_CLOSE */
+    CloseHandle(MountHandle);
+}
+
 FSP_API VOID FspFileSystemRemoveMountPoint(FSP_FILE_SYSTEM *FileSystem)
 {
-    BOOLEAN IsDrive;
-
     if (0 == FileSystem->MountPoint)
         return;
 
-    IsDrive = FspPathIsDrive(FileSystem->MountPoint);
-    if (IsDrive)
-        DefineDosDeviceW(DDD_RAW_TARGET_PATH | DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE,
-            FileSystem->MountPoint, FileSystem->VolumeName);
+    if (FspPathIsDrive(FileSystem->MountPoint))
+        FspFileSystemRemoveMountPoint_Drive(FileSystem->MountPoint, FileSystem->VolumeName,
+            FileSystem->MountHandle);
     else
-        /* nothing to do! directory will be deleted when the MountHandle is closed */;
+        FspFileSystemRemoveMountPoint_Directory(FileSystem->MountHandle);
 
     MemFree(FileSystem->MountPoint);
     FileSystem->MountPoint = 0;
-
-    if (0 != FileSystem->MountHandle)
-    {
-        if (IsDrive)
-            FspNtClose(FileSystem->MountHandle);
-        else
-            /* CloseHandle really calls NtClose, but I like being defensive when programming */
-            CloseHandle(FileSystem->MountHandle);
-
     FileSystem->MountHandle = 0;
 }
-}
 
 static DWORD WINAPI FspFileSystemDispatcherThread(PVOID FileSystem0)
 {
@@ -633,3 +681,72 @@ FSP_API FSP_FILE_SYSTEM_OPERATION_CONTEXT *FspFileSystemGetOperationContext(VOID
 {
     return (FSP_FILE_SYSTEM_OPERATION_CONTEXT *)TlsGetValue(FspFileSystemTlsKey);
 }
+
+/*
+ * Out-of-Line
+ */
+
+FSP_API PWSTR FspFileSystemMountPointF(FSP_FILE_SYSTEM *FileSystem)
+{
+    return FspFileSystemMountPoint(FileSystem);
+}
+
+FSP_API NTSTATUS FspFileSystemEnterOperationF(FSP_FILE_SYSTEM *FileSystem,
+    FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_RSP *Response)
+{
+    return FspFileSystemEnterOperation(FileSystem, Request, Response);
+}
+
+FSP_API NTSTATUS FspFileSystemLeaveOperationF(FSP_FILE_SYSTEM *FileSystem,
+    FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_RSP *Response)
+{
+    return FspFileSystemLeaveOperation(FileSystem, Request, Response);
+}
+
+FSP_API VOID FspFileSystemSetOperationGuardF(FSP_FILE_SYSTEM *FileSystem,
+    FSP_FILE_SYSTEM_OPERATION_GUARD *EnterOperation,
+    FSP_FILE_SYSTEM_OPERATION_GUARD *LeaveOperation)
+{
+    FspFileSystemSetOperationGuard(FileSystem, EnterOperation, LeaveOperation);
+}
+
+FSP_API VOID FspFileSystemSetOperationGuardStrategyF(FSP_FILE_SYSTEM *FileSystem,
+    FSP_FILE_SYSTEM_OPERATION_GUARD_STRATEGY GuardStrategy)
+{
+    FspFileSystemSetOperationGuardStrategy(FileSystem, GuardStrategy);
+}
+
+FSP_API VOID FspFileSystemSetOperationF(FSP_FILE_SYSTEM *FileSystem,
+    ULONG Index,
+    FSP_FILE_SYSTEM_OPERATION *Operation)
+{
+    FspFileSystemSetOperation(FileSystem, Index, Operation);
+}
+
+FSP_API VOID FspFileSystemGetDispatcherResultF(FSP_FILE_SYSTEM *FileSystem,
+    NTSTATUS *PDispatcherResult)
+{
+    FspFileSystemGetDispatcherResult(FileSystem, PDispatcherResult);
+}
+
+FSP_API VOID FspFileSystemSetDispatcherResultF(FSP_FILE_SYSTEM *FileSystem,
+    NTSTATUS DispatcherResult)
+{
+    FspFileSystemSetDispatcherResult(FileSystem, DispatcherResult);
+}
+
+FSP_API VOID FspFileSystemSetDebugLogF(FSP_FILE_SYSTEM *FileSystem,
+    UINT32 DebugLog)
+{
+    FspFileSystemSetDebugLog(FileSystem, DebugLog);
+}
+
+FSP_API BOOLEAN FspFileSystemIsOperationCaseSensitiveF(VOID)
+{
+    return FspFileSystemIsOperationCaseSensitive();
+}
+
+FSP_API UINT32 FspFileSystemOperationProcessIdF(VOID)
+{
+    return FspFileSystemOperationProcessId();
+}

src/dll/fsctl.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/fsctl.c
  *
- * @copyright 2015-2017 Bill Zissimopoulos
+ * @copyright 2015-2018 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.
@@ -31,7 +31,7 @@ FSP_API NTSTATUS FspFsctlCreateVolume(PWSTR DevicePath,
 {
     NTSTATUS Result;
     PWSTR DeviceRoot;
-    SIZE_T DeviceRootSize, DevicePathSize;
+    SIZE_T DeviceRootSize, DevicePathSize, VolumeParamsSize;
     WCHAR DevicePathBuf[MAX_PATH + sizeof *VolumeParams], *DevicePathPtr, *DevicePathEnd;
     HANDLE VolumeHandle = INVALID_HANDLE_VALUE;
     DWORD Bytes;
@@ -55,8 +55,11 @@ FSP_API NTSTATUS FspFsctlCreateVolume(PWSTR DevicePath,
     memcpy(DevicePathPtr, DevicePath, DevicePathSize);
     DevicePathPtr = (PVOID)((PUINT8)DevicePathPtr + DevicePathSize);
     memcpy(DevicePathPtr, PREFIXW, PREFIXW_SIZE);
+    VolumeParamsSize = 0 == VolumeParams->Version ?
+        sizeof(FSP_FSCTL_VOLUME_PARAMS_V0) :
+        VolumeParams->Version;
     DevicePathPtr = (PVOID)((PUINT8)DevicePathPtr + PREFIXW_SIZE);
-    DevicePathEnd = (PVOID)((PUINT8)DevicePathPtr + sizeof *VolumeParams * sizeof(WCHAR));
+    DevicePathEnd = (PVOID)((PUINT8)DevicePathPtr + VolumeParamsSize * sizeof(WCHAR));
     for (PUINT8 VolumeParamsPtr = (PVOID)VolumeParams;
         DevicePathEnd > DevicePathPtr; DevicePathPtr++, VolumeParamsPtr++)
     {
@@ -284,7 +287,7 @@ static NTSTATUS FspFsctlFixServiceSecurity(HANDLE SvcHandle)
      * This function adds an ACE that allows Everyone to start a service.
      */
 
-    PSID WorldSid = 0;
+    PSID WorldSid;
     PSECURITY_DESCRIPTOR SecurityDescriptor = 0;
     PSECURITY_DESCRIPTOR NewSecurityDescriptor = 0;
     EXPLICIT_ACCESSW AccessEntry;
@@ -296,18 +299,12 @@ static NTSTATUS FspFsctlFixServiceSecurity(HANDLE SvcHandle)
     NTSTATUS Result;
 
     /* get the Everyone (World) SID */
-    Size = SECURITY_MAX_SID_SIZE;
-    WorldSid = MemAlloc(Size);
+    WorldSid = FspWksidGet(WinWorldSid);
     if (0 == WorldSid)
     {
         Result = STATUS_INSUFFICIENT_RESOURCES;
         goto exit;
     }
-    if (!CreateWellKnownSid(WinWorldSid, 0, WorldSid, &Size))
-    {
-        Result = FspNtStatusFromWin32(GetLastError());
-        goto exit;
-    }
 
     /* get the service security descriptor DACL */
     Size = 0;
@@ -355,10 +352,18 @@ static NTSTATUS FspFsctlFixServiceSecurity(HANDLE SvcHandle)
     {
         LastError = GetEffectiveRightsFromAclW(Dacl, &AccessEntry.Trustee, &AccessRights);
         if (0 != LastError)
-        {
-            Result = FspNtStatusFromWin32(LastError);
-            goto exit;
-        }
+            /*
+             * Apparently GetEffectiveRightsFromAclW can fail with ERROR_CIRCULAR_DEPENDENCY
+             * in some rare circumstances. Calling GetEffectiveRightsFromAclW is not essential
+             * in this instance. It is only done to check whether the "Everyone/World" SID
+             * already has the access required to start the FSD; if it does not have those
+             * rights already they are added. It is probably safe to just assume that the
+             * required rights are not there if GetEffectiveRightsFromAclW fails; the worst
+             * that can happen is that the rights get added twice (which is benign).
+             *
+             * See https://github.com/billziss-gh/winfsp/issues/62
+             */
+            AccessRights = 0;
     }
 
     /* do we have the required access rights? */
@@ -386,7 +391,6 @@ static NTSTATUS FspFsctlFixServiceSecurity(HANDLE SvcHandle)
 exit:
     LocalFree(NewSecurityDescriptor);
     MemFree(SecurityDescriptor);
-    MemFree(WorldSid);
 
     return Result;
 }

src/dll/fsop.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/fsop.c
  *
- * @copyright 2015-2017 Bill Zissimopoulos
+ * @copyright 2015-2018 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.
@@ -1121,6 +1121,36 @@ FSP_API NTSTATUS FspFileSystemOpSetVolumeInformation(FSP_FILE_SYSTEM *FileSystem
     return STATUS_SUCCESS;
 }
 
+static NTSTATUS FspFileSystemOpQueryDirectory_GetDirInfoByName(FSP_FILE_SYSTEM *FileSystem,
+    PVOID FileContext, PWSTR FileName,
+    PVOID Buffer, ULONG Length, PULONG PBytesTransferred)
+{
+    NTSTATUS Result;
+    union
+    {
+        FSP_FSCTL_DIR_INFO V;
+        UINT8 B[sizeof(FSP_FSCTL_DIR_INFO) + 255 * sizeof(WCHAR)];
+    } DirInfoBuf;
+    FSP_FSCTL_DIR_INFO *DirInfo = &DirInfoBuf.V;
+
+    /* The FSD will never send us a Marker that we need to worry about! */
+
+    memset(DirInfo, 0, sizeof *DirInfo);
+    Result = FileSystem->Interface->GetDirInfoByName(FileSystem, FileContext, FileName, DirInfo);
+    if (NT_SUCCESS(Result))
+    {
+        if (FspFileSystemAddDirInfo(DirInfo, Buffer, Length, PBytesTransferred))
+            FspFileSystemAddDirInfo(0, Buffer, Length, PBytesTransferred);
+    }
+    else if (STATUS_OBJECT_NAME_NOT_FOUND == Result)
+    {
+        Result = STATUS_SUCCESS;
+        FspFileSystemAddDirInfo(0, Buffer, Length, PBytesTransferred);
+    }
+
+    return Result;
+}
+
 FSP_API NTSTATUS FspFileSystemOpQueryDirectory(FSP_FILE_SYSTEM *FileSystem,
     FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_RSP *Response)
 {
@@ -1131,6 +1161,15 @@ FSP_API NTSTATUS FspFileSystemOpQueryDirectory(FSP_FILE_SYSTEM *FileSystem,
         return STATUS_INVALID_DEVICE_REQUEST;
 
     BytesTransferred = 0;
+    if (0 != FileSystem->Interface->GetDirInfoByName &&
+        0 != Request->Req.QueryDirectory.Pattern.Size && Request->Req.QueryDirectory.PatternIsFileName)
+        Result = FspFileSystemOpQueryDirectory_GetDirInfoByName(FileSystem,
+            (PVOID)ValOfFileContext(Request->Req.QueryDirectory),
+            (PWSTR)(Request->Buffer + Request->Req.QueryDirectory.Pattern.Offset),
+            (PVOID)Request->Req.QueryDirectory.Address,
+            Request->Req.QueryDirectory.Length,
+            &BytesTransferred);
+    else
         Result = FileSystem->Interface->ReadDirectory(FileSystem,
             (PVOID)ValOfFileContext(Request->Req.QueryDirectory),
             0 != Request->Req.QueryDirectory.Pattern.Size ?
@@ -1354,7 +1393,7 @@ FSP_API BOOLEAN FspFileSystemFindReparsePoint(FSP_FILE_SYSTEM *FileSystem,
     return FALSE;
 }
 
-FSP_API NTSTATUS FspFileSystemResolveReparsePointsInternal(FSP_FILE_SYSTEM *FileSystem,
+static NTSTATUS FspFileSystemResolveReparsePointsInternal(FSP_FILE_SYSTEM *FileSystem,
     NTSTATUS (*GetReparsePointByName)(
         FSP_FILE_SYSTEM *FileSystem, PVOID Context,
         PWSTR FileName, BOOLEAN IsDirectory, PVOID Buffer, PSIZE_T PSize),

src/dll/fuse/fuse.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/fuse/fuse.c
  *
- * @copyright 2015-2017 Bill Zissimopoulos
+ * @copyright 2015-2018 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.
@@ -32,18 +32,25 @@ struct fsp_fuse_core_opt_data
 {
     struct fsp_fuse_env *env;
     int help, debug;
-    int hard_remove,
-        use_ino, readdir_ino,
-        set_umask, umask,
+    HANDLE DebugLogHandle;
+    int set_umask, umask,
+        set_create_umask, create_umask,
         set_uid, uid,
         set_gid, gid,
         set_attr_timeout, attr_timeout,
         rellinks;
-    int set_FileInfoTimeout;
-    int CaseInsensitiveSearch,
-        ReadOnlyVolume;
+    int set_FileInfoTimeout,
+        set_DirInfoTimeout,
+        set_VolumeInfoTimeout,
+        set_KeepFileCache;
+    unsigned ThreadCount;
     FSP_FSCTL_VOLUME_PARAMS VolumeParams;
+    UINT16 VolumeLabelLength;
+    WCHAR VolumeLabel[sizeof ((FSP_FSCTL_VOLUME_INFO *)0)->VolumeLabel / sizeof(WCHAR)];
 };
+FSP_FSCTL_STATIC_ASSERT(
+    sizeof ((struct fuse *)0)->VolumeLabel == sizeof ((struct fsp_fuse_core_opt_data *)0)->VolumeLabel,
+    "fuse::VolumeLabel and fsp_fuse_core_opt_data::VolumeLabel: sizeof must be same.");
 
 static struct fuse_opt fsp_fuse_core_opts[] =
 {
@@ -56,15 +63,19 @@ static struct fuse_opt fsp_fuse_core_opts[] =
     FSP_FUSE_CORE_OPT("-d", debug, 1),
     FSP_FUSE_CORE_OPT("debug", debug, 1),
 
-    FSP_FUSE_CORE_OPT("hard_remove", hard_remove, 1),
-    FSP_FUSE_CORE_OPT("use_ino", use_ino, 1),
-    FSP_FUSE_CORE_OPT("readdir_ino", readdir_ino, 1),
+    FUSE_OPT_KEY("DebugLog=", 'D'),
+
+    FUSE_OPT_KEY("hard_remove", FUSE_OPT_KEY_DISCARD),
+    FUSE_OPT_KEY("use_ino", FUSE_OPT_KEY_DISCARD),
+    FUSE_OPT_KEY("readdir_ino", FUSE_OPT_KEY_DISCARD),
     FUSE_OPT_KEY("direct_io", FUSE_OPT_KEY_DISCARD),
     FUSE_OPT_KEY("kernel_cache", FUSE_OPT_KEY_DISCARD),
     FUSE_OPT_KEY("auto_cache", FUSE_OPT_KEY_DISCARD),
     FUSE_OPT_KEY("noauto_cache", FUSE_OPT_KEY_DISCARD),
     FSP_FUSE_CORE_OPT("umask=", set_umask, 1),
     FSP_FUSE_CORE_OPT("umask=%o", umask, 0),
+    FSP_FUSE_CORE_OPT("create_umask=", set_create_umask, 1),
+    FSP_FUSE_CORE_OPT("create_umask=%o", create_umask, 0),
     FSP_FUSE_CORE_OPT("uid=", set_uid, 1),
     FSP_FUSE_CORE_OPT("uid=%d", uid, 0),
     FSP_FUSE_CORE_OPT("gid=", set_gid, 1),
@@ -83,25 +94,26 @@ static struct fuse_opt fsp_fuse_core_opts[] =
     FSP_FUSE_CORE_OPT("norellinks", rellinks, 0),
 
     FUSE_OPT_KEY("fstypename=", 'F'),
+    FUSE_OPT_KEY("volname=", 'v'),
 
     FSP_FUSE_CORE_OPT("SectorSize=%hu", VolumeParams.SectorSize, 4096),
     FSP_FUSE_CORE_OPT("SectorsPerAllocationUnit=%hu", VolumeParams.SectorsPerAllocationUnit, 1),
     FSP_FUSE_CORE_OPT("MaxComponentLength=%hu", VolumeParams.MaxComponentLength, 0),
     FSP_FUSE_CORE_OPT("VolumeCreationTime=%lli", VolumeParams.VolumeCreationTime, 0),
     FSP_FUSE_CORE_OPT("VolumeSerialNumber=%lx", VolumeParams.VolumeSerialNumber, 0),
-    FSP_FUSE_CORE_OPT("TransactTimeout=%u", VolumeParams.TransactTimeout, 0),
-    FSP_FUSE_CORE_OPT("IrpTimeout=%u", VolumeParams.IrpTimeout, 0),
-    FSP_FUSE_CORE_OPT("IrpCapacity=%u", VolumeParams.IrpCapacity, 0),
     FSP_FUSE_CORE_OPT("FileInfoTimeout=", set_FileInfoTimeout, 1),
     FSP_FUSE_CORE_OPT("FileInfoTimeout=%d", VolumeParams.FileInfoTimeout, 0),
-    FSP_FUSE_CORE_OPT("CaseInsensitiveSearch", CaseInsensitiveSearch, 1),
-    FSP_FUSE_CORE_OPT("ReadOnlyVolume", ReadOnlyVolume, 1),
-    FUSE_OPT_KEY("ReparsePoints", FUSE_OPT_KEY_DISCARD),
-    FUSE_OPT_KEY("NamedStreams", FUSE_OPT_KEY_DISCARD),
-    FUSE_OPT_KEY("HardLinks", FUSE_OPT_KEY_DISCARD),
-    FUSE_OPT_KEY("ExtendedAttributes", FUSE_OPT_KEY_DISCARD),
+    FSP_FUSE_CORE_OPT("DirInfoTimeout=", set_DirInfoTimeout, 1),
+    FSP_FUSE_CORE_OPT("DirInfoTimeout=%d", VolumeParams.DirInfoTimeout, 0),
+    FSP_FUSE_CORE_OPT("VolumeInfoTimeout=", set_VolumeInfoTimeout, 1),
+    FSP_FUSE_CORE_OPT("VolumeInfoTimeout=%d", VolumeParams.VolumeInfoTimeout, 0),
+    FSP_FUSE_CORE_OPT("KeepFileCache=", set_KeepFileCache, 1),
+    FSP_FUSE_CORE_OPT("ThreadCount=%u", ThreadCount, 0),
+    FUSE_OPT_KEY("UNC=", 'U'),
     FUSE_OPT_KEY("--UNC=", 'U'),
+    FUSE_OPT_KEY("VolumePrefix=", 'U'),
     FUSE_OPT_KEY("--VolumePrefix=", 'U'),
+    FUSE_OPT_KEY("FileSystemName=", 'F'),
     FUSE_OPT_KEY("--FileSystemName=", 'F'),
 
     FUSE_OPT_END,
@@ -131,6 +143,9 @@ static inline void *fsp_fuse_obj_alloc(struct fsp_fuse_env *env, size_t size)
 
 static inline void fsp_fuse_obj_free(void *obj)
 {
+    if (0 == obj)
+        return;
+
     struct fsp_fuse_obj_hdr *hdr = (PVOID)((PUINT8)obj - sizeof(struct fsp_fuse_obj_hdr));
 
     hdr->dtor(hdr);
@@ -190,23 +205,55 @@ FSP_FUSE_API struct fuse_chan *fsp_fuse_mount(struct fsp_fuse_env *env,
     const char *mountpoint, struct fuse_args *args)
 {
     struct fuse_chan *ch = 0;
+    WCHAR TempMountPointBuf[MAX_PATH], MountPointBuf[MAX_PATH];
     int Size;
 
-    if (0 == mountpoint)
-        mountpoint = "";
+    if (0 == mountpoint || '\0' == mountpoint[0] ||
+        ('*' == mountpoint[0] && '\0' == mountpoint[1]))
+    {
+        MountPointBuf[0] = L'*';
+        MountPointBuf[1] = L'\0';
+        Size = 2 * sizeof(WCHAR);
+    }
+    else if (
+        (
+            ('A' <= mountpoint[0] && mountpoint[0] <= 'Z') ||
+            ('a' <= mountpoint[0] && mountpoint[0] <= 'z')
+        ) &&
+        ':' == mountpoint[1] && '\0' == mountpoint[2])
+    {
+        MountPointBuf[0] = mountpoint[0];
+        MountPointBuf[1] = ':';
+        MountPointBuf[2] = '\0';
+        Size = 3 * sizeof(WCHAR);
+    }
+    else
+    {
+        char *win_mountpoint = 0;
 
-    Size = MultiByteToWideChar(CP_UTF8, 0, mountpoint, -1, 0, 0);
-    if (0 == Size)
+        if (0 != env->conv_to_win_path)
+            mountpoint = win_mountpoint = env->conv_to_win_path(mountpoint);
+
+        Size = 0;
+        if (0 != mountpoint &&
+            0 != MultiByteToWideChar(CP_UTF8, 0, mountpoint, -1, TempMountPointBuf, MAX_PATH))
+            Size = GetFullPathNameW(TempMountPointBuf, MAX_PATH, MountPointBuf, 0);
+
+        env->memfree(win_mountpoint);
+
+        if (0 == Size || MAX_PATH <= Size)
             goto fail;
 
-    ch = fsp_fuse_obj_alloc(env, sizeof *ch + Size * sizeof(WCHAR));
+        mountpoint = 0;
+        Size = (Size + 1) * sizeof(WCHAR);
+    }
+
+    ch = fsp_fuse_obj_alloc(env, sizeof *ch + Size);
     if (0 == ch)
         goto fail;
 
     ch->MountPoint = (PVOID)ch->Buffer;
-    Size = MultiByteToWideChar(CP_UTF8, 0, mountpoint, -1, ch->MountPoint, Size);
-    if (0 == Size)
-        goto fail;
+    memcpy(ch->MountPoint, MountPointBuf, Size);
 
     return ch;
 
@@ -249,6 +296,7 @@ static NTSTATUS fsp_fuse_svcstart(FSP_SERVICE *Service, ULONG argc, PWSTR *argv)
     context->private_data = f->data;
     context->uid = -1;
     context->gid = -1;
+    context->pid = -1;
 
     memset(&conn, 0, sizeof conn);
     conn.proto_major = 7;               /* pretend that we are FUSE kernel protocol 7.12 */
@@ -261,9 +309,26 @@ static NTSTATUS fsp_fuse_svcstart(FSP_SERVICE *Service, ULONG argc, PWSTR *argv)
         //FUSE_CAP_ATOMIC_O_TRUNC |     /* due to Windows/WinFsp design, no support */
         //FUSE_CAP_EXPORT_SUPPORT |     /* not needed in Windows/WinFsp */
         FUSE_CAP_BIG_WRITES |
-        FUSE_CAP_DONT_MASK;
+        FUSE_CAP_DONT_MASK |
+        FSP_FUSE_CAP_READDIR_PLUS |
+        FSP_FUSE_CAP_READ_ONLY |
+        FSP_FUSE_CAP_STAT_EX |
+        FSP_FUSE_CAP_CASE_INSENSITIVE;
     if (0 != f->ops.init)
+    {
         context->private_data = f->data = f->ops.init(&conn);
+        f->VolumeParams.ReadOnlyVolume = 0 != (conn.want & FSP_FUSE_CAP_READ_ONLY);
+        f->VolumeParams.CaseSensitiveSearch = 0 == (conn.want & FSP_FUSE_CAP_CASE_INSENSITIVE);
+        if (!f->VolumeParams.CaseSensitiveSearch)
+            /*
+             * Disable GetDirInfoByName when file system is case-insensitive.
+             * The reason is that Windows always sends us queries with uppercase
+             * file names in GetDirInfoByName and we have no way in FUSE to normalize
+             * those file names when embedding them in FSP_FSCTL_DIR_INFO.
+             */
+            f->VolumeParams.PassQueryDirectoryFileName = FALSE;
+        f->conn_want = conn.want;
+    }
     f->fsinit = TRUE;
     if (0 != f->ops.statfs)
     {
@@ -278,16 +343,18 @@ static NTSTATUS fsp_fuse_svcstart(FSP_SERVICE *Service, ULONG argc, PWSTR *argv)
             goto fail;
         }
 
-        if (stbuf.f_frsize > FSP_FUSE_SECTORSIZE_MAX)
-            stbuf.f_frsize = FSP_FUSE_SECTORSIZE_MAX;
-        if (0 == f->VolumeParams.SectorSize)
+        if (0 == f->VolumeParams.SectorSize && 0 != stbuf.f_frsize)
             f->VolumeParams.SectorSize = (UINT16)stbuf.f_frsize;
+#if 0
+        if (0 == f->VolumeParams.SectorsPerAllocationUnit && 0 != stbuf.f_frsize)
+            f->VolumeParams.SectorsPerAllocationUnit = (UINT16)(stbuf.f_bsize / stbuf.f_frsize);
+#endif
         if (0 == f->VolumeParams.MaxComponentLength)
             f->VolumeParams.MaxComponentLength = (UINT16)stbuf.f_namemax;
     }
     if (0 != f->ops.getattr)
     {
-        struct fuse_stat stbuf;
+        struct fuse_stat_ex stbuf;
         int err;
 
         memset(&stbuf, 0, sizeof stbuf);
@@ -301,21 +368,18 @@ static NTSTATUS fsp_fuse_svcstart(FSP_SERVICE *Service, ULONG argc, PWSTR *argv)
         if (0 == f->VolumeParams.VolumeCreationTime)
         {
             if (0 != stbuf.st_birthtim.tv_sec)
-                f->VolumeParams.VolumeCreationTime =
-                    Int32x32To64(stbuf.st_birthtim.tv_sec, 10000000) + 116444736000000000 +
-                    stbuf.st_birthtim.tv_nsec / 100;
+                FspPosixUnixTimeToFileTime((void *)&stbuf.st_birthtim,
+                    &f->VolumeParams.VolumeCreationTime);
             else
             if (0 != stbuf.st_ctim.tv_sec)
-                f->VolumeParams.VolumeCreationTime =
-                    Int32x32To64(stbuf.st_ctim.tv_sec, 10000000) + 116444736000000000 +
-                    stbuf.st_ctim.tv_nsec / 100;
+                FspPosixUnixTimeToFileTime((void *)&stbuf.st_ctim,
+                    &f->VolumeParams.VolumeCreationTime);
         }
     }
 
     /* the FSD does not currently limit these VolumeParams fields; do so here! */
-    if (f->VolumeParams.SectorSize < FSP_FUSE_SECTORSIZE_MIN)
-        f->VolumeParams.SectorSize = FSP_FUSE_SECTORSIZE_MIN;
-    if (f->VolumeParams.SectorSize > FSP_FUSE_SECTORSIZE_MAX)
+    if (f->VolumeParams.SectorSize < FSP_FUSE_SECTORSIZE_MIN ||
+        f->VolumeParams.SectorSize > FSP_FUSE_SECTORSIZE_MAX)
         f->VolumeParams.SectorSize = FSP_FUSE_SECTORSIZE_MAX;
     if (f->VolumeParams.SectorsPerAllocationUnit == 0)
         f->VolumeParams.SectorsPerAllocationUnit = 1;
@@ -362,7 +426,7 @@ static NTSTATUS fsp_fuse_svcstart(FSP_SERVICE *Service, ULONG argc, PWSTR *argv)
         }
     }
 
-    Result = FspFileSystemStartDispatcher(f->FileSystem, 0);
+    Result = FspFileSystemStartDispatcher(f->FileSystem, f->ThreadCount);
     if (!NT_SUCCESS(Result))
     {
         FspServiceLog(EVENTLOG_ERROR_TYPE,
@@ -417,18 +481,28 @@ static int fsp_fuse_core_opt_proc(void *opt_data0, const char *arg, int key,
     default:
         return 1;
     case 'h':
+        /* Note: The limit on FspServiceLog messages is 1024 bytes. */
         FspServiceLog(EVENTLOG_ERROR_TYPE, L""
             FSP_FUSE_LIBRARY_NAME " options:\n"
-            "    -o SectorSize=N        sector size for Windows (512-4096, deflt: 512)\n"
-            "    -o SectorsPerAllocationUnit=N  allocation unit size (deflt: 1*SectorSize)\n"
-            "    -o MaxComponentLength=N    max file name component length (deflt: 255)\n"
-            "    -o VolumeCreationTime=T    volume creation time (FILETIME hex format)\n"
-            "    -o VolumeSerialNumber=N    32-bit wide\n"
-            "    -o FileInfoTimeout=N       FileInfo/Security/VolumeInfo timeout (millisec)\n"
-            "    -o CaseInsensitiveSearch   file system supports case-insensitive file names\n"
-            //"    -o ReadOnlyVolume          file system is read only\n"
-            "    --UNC=U --VolumePrefix=U   UNC prefix (\\Server\\Share)\n"
-            "    --FileSystemName=FSN       Name of user mode file system\n");
+            "    -o umask=MASK              set file permissions (octal)\n"
+            "    -o create_umask=MASK       set newly created file permissions (octal)\n"
+            "    -o uid=N                   set file owner (-1 for mounting user id)\n"
+            "    -o gid=N                   set file group (-1 for mounting user group)\n"
+            "    -o rellinks                interpret absolute symlinks as volume relative\n"
+            "    -o volname=NAME            set volume label\n"
+            "    -o VolumePrefix=UNC        set UNC prefix (/Server/Share)\n"
+            "        --VolumePrefix=UNC     set UNC prefix (\\Server\\Share)\n"
+            "    -o FileSystemName=NAME     set file system name\n"
+            "    -o DebugLog=FILE           debug log file (requires -d)\n"
+            );
+        FspServiceLog(EVENTLOG_ERROR_TYPE, L""
+            FSP_FUSE_LIBRARY_NAME " advanced options:\n"
+            "    -o FileInfoTimeout=N       metadata timeout (millis, -1 for data caching)\n"
+            "    -o DirInfoTimeout=N        directory info timeout (millis)\n"
+            "    -o VolumeInfoTimeout=N     volume info timeout (millis)\n"
+            "    -o KeepFileCache           do not discard cache when files are closed\n"
+            "    -o ThreadCount             number of file system dispatcher threads\n"
+            );
         opt_data->help = 1;
         return 1;
     case 'V':
@@ -437,9 +511,24 @@ static int fsp_fuse_core_opt_proc(void *opt_data0, const char *arg, int key,
             FUSE_MAJOR_VERSION, FUSE_MINOR_VERSION);
         opt_data->help = 1;
         return 1;
+    case 'D':
+        arg += sizeof "DebugLog=" - 1;
+        opt_data->DebugLogHandle = CreateFileA(
+            arg,
+            FILE_APPEND_DATA,
+            FILE_SHARE_READ | FILE_SHARE_WRITE,
+            0,
+            OPEN_ALWAYS,
+            FILE_ATTRIBUTE_NORMAL,
+            0);
+        return 0;
     case 'U':
-        if ('U' == arg[2])
+        if ('U' == arg[0])
+            arg += sizeof "UNC=" - 1;
+        else if ('U' == arg[2])
             arg += sizeof "--UNC=" - 1;
+        else if ('V' == arg[0])
+            arg += sizeof "VolumePrefix=" - 1;
         else if ('V' == arg[2])
             arg += sizeof "--VolumePrefix=" - 1;
         if (0 == MultiByteToWideChar(CP_UTF8, 0, arg, -1,
@@ -447,20 +536,33 @@ static int fsp_fuse_core_opt_proc(void *opt_data0, const char *arg, int key,
             return -1;
         opt_data->VolumeParams.Prefix
             [sizeof opt_data->VolumeParams.Prefix / sizeof(WCHAR) - 1] = L'\0';
+        for (PWSTR P = opt_data->VolumeParams.Prefix; *P; P++)
+            if (L'/' == *P)
+                *P = '\\';
         return 0;
     case 'F':
         if ('f' == arg[0])
             arg += sizeof "fstypename=" - 1;
+        else if ('F' == arg[0])
+            arg += sizeof "FileSystemName=" - 1;
         else if ('F' == arg[2])
             arg += sizeof "--FileSystemName=" - 1;
         if (0 == MultiByteToWideChar(CP_UTF8, 0, arg, -1,
             opt_data->VolumeParams.FileSystemName + 5,
-            sizeof opt_data->VolumeParams.FileSystemName / sizeof(WCHAR)) - 5)
+            sizeof opt_data->VolumeParams.FileSystemName / sizeof(WCHAR) - 5))
             return -1;
         opt_data->VolumeParams.FileSystemName
             [sizeof opt_data->VolumeParams.FileSystemName / sizeof(WCHAR) - 1] = L'\0';
         memcpy(opt_data->VolumeParams.FileSystemName, L"FUSE-", 5 * sizeof(WCHAR));
         return 0;
+    case 'v':
+        arg += sizeof "volname=" - 1;
+        opt_data->VolumeLabelLength = (UINT16)(sizeof(WCHAR) *
+            MultiByteToWideChar(CP_UTF8, 0, arg, lstrlenA(arg),
+            opt_data->VolumeLabel, sizeof opt_data->VolumeLabel / sizeof(WCHAR)));
+        if (0 == opt_data->VolumeLabelLength)
+            return -1;
+        return 0;
     }
 }
 
@@ -479,12 +581,26 @@ FSP_FUSE_API struct fuse *fsp_fuse_new(struct fsp_fuse_env *env,
 
     memset(&opt_data, 0, sizeof opt_data);
     opt_data.env = env;
+    opt_data.DebugLogHandle = GetStdHandle(STD_ERROR_HANDLE);
+    opt_data.VolumeParams.Version = sizeof(FSP_FSCTL_VOLUME_PARAMS);
+    opt_data.VolumeParams.FileInfoTimeout = 1000;
+    opt_data.VolumeParams.FlushAndPurgeOnCleanup = TRUE;
 
     if (-1 == fsp_fuse_opt_parse(env, args, &opt_data, fsp_fuse_core_opts, fsp_fuse_core_opt_proc))
         return 0;
     if (opt_data.help)
         return 0;
 
+    if (opt_data.debug)
+    {
+        if (INVALID_HANDLE_VALUE == opt_data.DebugLogHandle)
+        {
+            ErrorMessage = L": cannot open debug log file.";
+            goto fail;
+        }
+        FspDebugLogSetHandle(opt_data.DebugLogHandle);
+    }
+
     if ((opt_data.set_uid && -1 == opt_data.uid) ||
         (opt_data.set_gid && -1 == opt_data.gid))
     {
@@ -508,14 +624,22 @@ FSP_FUSE_API struct fuse *fsp_fuse_new(struct fsp_fuse_env *env,
     }
 
     if (!opt_data.set_FileInfoTimeout && opt_data.set_attr_timeout)
-        opt_data.VolumeParams.FileInfoTimeout = opt_data.set_attr_timeout * 1000;
-    opt_data.VolumeParams.CaseSensitiveSearch = !opt_data.CaseInsensitiveSearch;
+        opt_data.VolumeParams.FileInfoTimeout = opt_data.attr_timeout * 1000;
+    if (opt_data.set_DirInfoTimeout)
+        opt_data.VolumeParams.DirInfoTimeoutValid = 1;
+    if (opt_data.set_VolumeInfoTimeout)
+        opt_data.VolumeParams.VolumeInfoTimeoutValid = 1;
+    if (opt_data.set_KeepFileCache)
+        opt_data.VolumeParams.FlushAndPurgeOnCleanup = FALSE;
+    opt_data.VolumeParams.CaseSensitiveSearch = TRUE;
+    opt_data.VolumeParams.CasePreservedNames = TRUE;
     opt_data.VolumeParams.PersistentAcls = TRUE;
     opt_data.VolumeParams.ReparsePoints = TRUE;
     opt_data.VolumeParams.ReparsePointsAccessCheck = FALSE;
     opt_data.VolumeParams.NamedStreams = FALSE;
-    opt_data.VolumeParams.ReadOnlyVolume = !!opt_data.ReadOnlyVolume;
+    opt_data.VolumeParams.ReadOnlyVolume = FALSE;
     opt_data.VolumeParams.PostCleanupWhenModifiedOnly = TRUE;
+    opt_data.VolumeParams.PassQueryDirectoryFileName = TRUE;
     opt_data.VolumeParams.UmFileContextIsUserContext2 = TRUE;
     if (L'\0' == opt_data.VolumeParams.FileSystemName[0])
         memcpy(opt_data.VolumeParams.FileSystemName, L"FUSE", 5 * sizeof(WCHAR));
@@ -526,13 +650,17 @@ FSP_FUSE_API struct fuse *fsp_fuse_new(struct fsp_fuse_env *env,
 
     f->env = env;
     f->set_umask = opt_data.set_umask; f->umask = opt_data.umask;
+    f->set_create_umask = opt_data.set_create_umask; f->create_umask = opt_data.create_umask;
     f->set_uid = opt_data.set_uid; f->uid = opt_data.uid;
     f->set_gid = opt_data.set_gid; f->gid = opt_data.gid;
     f->rellinks = opt_data.rellinks;
+    f->ThreadCount = opt_data.ThreadCount;
     memcpy(&f->ops, ops, opsize);
     f->data = data;
     f->DebugLog = opt_data.debug ? -1 : 0;
     memcpy(&f->VolumeParams, &opt_data.VolumeParams, sizeof opt_data.VolumeParams);
+    f->VolumeLabelLength = opt_data.VolumeLabelLength;
+    memcpy(&f->VolumeLabel, &opt_data.VolumeLabel, opt_data.VolumeLabelLength);
 
     Size = (lstrlenW(ch->MountPoint) + 1) * sizeof(WCHAR);
     f->MountPoint = fsp_fuse_obj_alloc(env, Size);
@@ -615,6 +743,13 @@ FSP_FUSE_API void fsp_fuse_exit(struct fsp_fuse_env *env,
 {
     if (0 != f->Service)
         FspServiceStop(f->Service);
+    f->exited = 1;
+}
+
+FSP_FUSE_API int FSP_FUSE_API_NAME(fsp_fuse_exited)(struct fsp_fuse_env *env,
+    struct fuse *f)
+{
+    return f->exited;
 }
 
 FSP_FUSE_API struct fuse_context *fsp_fuse_get_context(struct fsp_fuse_env *env)
@@ -636,7 +771,6 @@ FSP_FUSE_API struct fuse_context *fsp_fuse_get_context(struct fsp_fuse_env *env)
             return 0;
 
         context = FSP_FUSE_CONTEXT_FROM_HDR(contexthdr);
-        context->pid = -1;
 
         TlsSetValue(fsp_fuse_tlskey, context);
     }

src/dll/fuse/fuse_compat.c

@@ -0,0 +1,35 @@
+/**
+ * @file dll/fuse/fuse_compat.c
+ *
+ * @copyright 2015-2018 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 file in
+ * accordance with the commercial license agreement provided with the
+ * software.
+ */
+
+#include <dll/library.h>
+
+/*
+ * This file provides an implementation of the `fuse_*` symbols. This
+ * implementation is a simple shim that forwards `fuse_*` calls to the
+ * equivalent `fsp_fuse_*` ones using a default `fsp_fuse_env`.
+ *
+ * These symbols should *not* be used by C/C++ programs. For this reason
+ * the `fuse.h` headers only expose the `fsp_fuse_*` symbols, wrapped
+ * with macros. These symbols are for use only from programs using FFI
+ * technology to access FUSE symbols (e.g. fusepy, jnr-fuse).
+ */
+
+#define FSP_FUSE_API
+#define FSP_FUSE_SYM(proto, ...)        __declspec(dllexport) proto { __VA_ARGS__ }
+#include <fuse/fuse_common.h>
+#include <fuse/fuse.h>
+#include <fuse/fuse_opt.h>

src/dll/fuse/fuse_intf.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/fuse/fuse_intf.c
  *
- * @copyright 2015-2017 Bill Zissimopoulos
+ * @copyright 2015-2018 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.
@@ -112,10 +112,10 @@ NTSTATUS fsp_fuse_op_enter(FSP_FILE_SYSTEM *FileSystem,
     struct fuse_context *context;
     struct fsp_fuse_context_header *contexthdr;
     char *PosixPath = 0;
-    UINT32 Uid = -1, Gid = -1;
+    UINT32 Uid = -1, Gid = -1, Pid = -1;
     PWSTR FileName = 0, Suffix;
     WCHAR Root[2] = L"\\";
-    HANDLE Token = 0;
+    UINT64 AccessToken = 0;
     NTSTATUS Result;
 
     if (FspFsctlTransactCreateKind == Request->Kind)
@@ -124,13 +124,13 @@ NTSTATUS fsp_fuse_op_enter(FSP_FILE_SYSTEM *FileSystem,
             FspPathSuffix((PWSTR)Request->Buffer, &FileName, &Suffix, Root);
         else
             FileName = (PWSTR)Request->Buffer;
-        Token = (HANDLE)Request->Req.Create.AccessToken;
+        AccessToken = Request->Req.Create.AccessToken;
     }
     else if (FspFsctlTransactSetInformationKind == Request->Kind &&
         10/*FileRenameInformation*/ == Request->Req.SetInformation.FileInformationClass)
     {
         FileName = (PWSTR)(Request->Buffer + Request->Req.SetInformation.Info.Rename.NewFileName.Offset);
-        Token = (HANDLE)Request->Req.SetInformation.Info.Rename.AccessToken;
+        AccessToken = Request->Req.SetInformation.Info.Rename.AccessToken;
     }
 
     if (0 != FileName)
@@ -142,11 +142,16 @@ NTSTATUS fsp_fuse_op_enter(FSP_FILE_SYSTEM *FileSystem,
             goto exit;
     }
 
-    if (0 != Token)
+    if (0 != AccessToken)
     {
-        Result = fsp_fuse_get_token_uidgid(Token, TokenUser, &Uid, &Gid);
+        Result = fsp_fuse_get_token_uidgid(
+            FSP_FSCTL_TRANSACT_REQ_TOKEN_HANDLE(AccessToken),
+            TokenUser,
+            &Uid, &Gid);
         if (!NT_SUCCESS(Result))
             goto exit;
+
+        Pid = FSP_FSCTL_TRANSACT_REQ_TOKEN_PID(AccessToken);
     }
 
     context = fsp_fuse_get_context(f->env);
@@ -162,6 +167,7 @@ NTSTATUS fsp_fuse_op_enter(FSP_FILE_SYSTEM *FileSystem,
     context->private_data = f->data;
     context->uid = Uid;
     context->gid = Gid;
+    context->pid = 0 != f->env->winpid_to_pid ? f->env->winpid_to_pid(Pid) : Pid;
 
     contexthdr = FSP_FUSE_HDR_FROM_CONTEXT(context);
     contexthdr->PosixPath = PosixPath;
@@ -189,6 +195,7 @@ NTSTATUS fsp_fuse_op_leave(FSP_FILE_SYSTEM *FileSystem,
     context->private_data = 0;
     context->uid = -1;
     context->gid = -1;
+    context->pid = -1;
 
     contexthdr = FSP_FUSE_HDR_FROM_CONTEXT(context);
     if (0 != contexthdr->PosixPath)
@@ -212,7 +219,7 @@ static NTSTATUS fsp_fuse_intf_NewHiddenName(FSP_FILE_SYSTEM *FileSystem,
         struct { UINT32 V[4]; } Values;
         UUID Uuid;
     } UuidBuf;
-    struct fuse_stat stbuf;
+    struct fuse_stat_ex stbuf;
     int err, maxtries = 3;
 
     *PPosixHiddenPath = 0;
@@ -284,7 +291,7 @@ static BOOLEAN fsp_fuse_intf_CheckSymlinkDirectory(FSP_FILE_SYSTEM *FileSystem,
     struct fuse *f = FileSystem->UserContext;
     char *PosixDotPath = 0;
     size_t Length;
-    struct fuse_stat stbuf;
+    struct fuse_stat_ex stbuf;
     int err;
     BOOLEAN Result = FALSE;
 
@@ -297,6 +304,7 @@ static BOOLEAN fsp_fuse_intf_CheckSymlinkDirectory(FSP_FILE_SYSTEM *FileSystem,
         PosixDotPath[Length + 1] = '.';
         PosixDotPath[Length + 2] = '\0';
 
+        memset(&stbuf, 0, sizeof stbuf);
         if (0 != f->ops.getattr)
             err = f->ops.getattr(PosixDotPath, (void *)&stbuf);
         else
@@ -310,19 +318,56 @@ static BOOLEAN fsp_fuse_intf_CheckSymlinkDirectory(FSP_FILE_SYSTEM *FileSystem,
     return Result;
 }
 
+static inline uint32_t fsp_fuse_intf_MapFileAttributesToFlags(UINT32 FileAttributes)
+{
+    uint32_t flags = 0;
+
+    if (FileAttributes & FILE_ATTRIBUTE_READONLY)
+        flags |= FSP_FUSE_UF_READONLY;
+    if (FileAttributes & FILE_ATTRIBUTE_HIDDEN)
+        flags |= FSP_FUSE_UF_HIDDEN;
+    if (FileAttributes & FILE_ATTRIBUTE_SYSTEM)
+        flags |= FSP_FUSE_UF_SYSTEM;
+    if (FileAttributes & FILE_ATTRIBUTE_ARCHIVE)
+        flags |= FSP_FUSE_UF_ARCHIVE;
+
+    return flags;
+}
+
+static inline UINT32 fsp_fuse_intf_MapFlagsToFileAttributes(uint32_t flags)
+{
+    UINT32 FileAttributes = 0;
+
+    if (flags & FSP_FUSE_UF_READONLY)
+        FileAttributes |= FILE_ATTRIBUTE_READONLY;
+    if (flags & FSP_FUSE_UF_HIDDEN)
+        FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
+    if (flags & FSP_FUSE_UF_SYSTEM)
+        FileAttributes |= FILE_ATTRIBUTE_SYSTEM;
+    if (flags & FSP_FUSE_UF_ARCHIVE)
+        FileAttributes |= FILE_ATTRIBUTE_ARCHIVE;
+
+    return FileAttributes;
+}
+
 #define fsp_fuse_intf_GetFileInfoEx(FileSystem, PosixPath, fi, PUid, PGid, PMode, FileInfo)\
-    fsp_fuse_intf_GetFileInfoFunnel(FileSystem, PosixPath, fi, PUid, PGid, PMode, 0, FileInfo)
+    fsp_fuse_intf_GetFileInfoFunnel(FileSystem, PosixPath, fi, 0, PUid, PGid, PMode, 0, FileInfo)
 static NTSTATUS fsp_fuse_intf_GetFileInfoFunnel(FSP_FILE_SYSTEM *FileSystem,
-    const char *PosixPath, struct fuse_file_info *fi,
+    const char *PosixPath, struct fuse_file_info *fi, const void *stbufp,
     PUINT32 PUid, PUINT32 PGid, PUINT32 PMode, PUINT32 PDev,
     FSP_FSCTL_FILE_INFO *FileInfo)
 {
     struct fuse *f = FileSystem->UserContext;
     UINT64 AllocationUnit;
-    struct fuse_stat stbuf;
-    int err;
+    struct fuse_stat_ex stbuf;
+    BOOLEAN StatEx = 0 != (f->conn_want & FSP_FUSE_CAP_STAT_EX);
 
     memset(&stbuf, 0, sizeof stbuf);
+    if (0 != stbufp)
+        memcpy(&stbuf, stbufp, StatEx ? sizeof(struct fuse_stat_ex) : sizeof(struct fuse_stat));
+    else
+    {
+        int err;
 
         if (0 != f->ops.fgetattr && 0 != fi && -1 != fi->fh)
             err = f->ops.fgetattr(PosixPath, (void *)&stbuf, fi);
@@ -333,6 +378,7 @@ static NTSTATUS fsp_fuse_intf_GetFileInfoFunnel(FSP_FILE_SYSTEM *FileSystem,
 
         if (0 != err)
             return fsp_fuse_ntstatus_from_errno(f->env, err);
+    }
 
     if (f->set_umask)
         stbuf.st_mode = (stbuf.st_mode & 0170000) | (0777 & ~f->umask);
@@ -377,21 +423,15 @@ static NTSTATUS fsp_fuse_intf_GetFileInfoFunnel(FSP_FILE_SYSTEM *FileSystem,
         FileInfo->ReparseTag = 0;
         break;
     }
+    if (StatEx)
+        FileInfo->FileAttributes |= fsp_fuse_intf_MapFlagsToFileAttributes(stbuf.st_flags);
     FileInfo->FileSize = stbuf.st_size;
     FileInfo->AllocationSize =
         (FileInfo->FileSize + AllocationUnit - 1) / AllocationUnit * AllocationUnit;
-    FileInfo->CreationTime =
-        Int32x32To64(stbuf.st_birthtim.tv_sec, 10000000) + 116444736000000000 +
-        stbuf.st_birthtim.tv_nsec / 100;
-    FileInfo->LastAccessTime =
-        Int32x32To64(stbuf.st_atim.tv_sec, 10000000) + 116444736000000000 +
-        stbuf.st_atim.tv_nsec / 100;
-    FileInfo->LastWriteTime =
-        Int32x32To64(stbuf.st_mtim.tv_sec, 10000000) + 116444736000000000 +
-        stbuf.st_mtim.tv_nsec / 100;
-    FileInfo->ChangeTime =
-        Int32x32To64(stbuf.st_ctim.tv_sec, 10000000) + 116444736000000000 +
-        stbuf.st_ctim.tv_nsec / 100;
+    FspPosixUnixTimeToFileTime((void *)&stbuf.st_birthtim, &FileInfo->CreationTime);
+    FspPosixUnixTimeToFileTime((void *)&stbuf.st_atim, &FileInfo->LastAccessTime);
+    FspPosixUnixTimeToFileTime((void *)&stbuf.st_mtim, &FileInfo->LastWriteTime);
+    FspPosixUnixTimeToFileTime((void *)&stbuf.st_ctim, &FileInfo->ChangeTime);
     FileInfo->IndexNumber = stbuf.st_ino;
 
     return STATUS_SUCCESS;
@@ -513,7 +553,7 @@ static NTSTATUS fsp_fuse_intf_GetReparsePointEx(FSP_FILE_SYSTEM *FileSystem,
     SIZE_T Size;
     NTSTATUS Result;
 
-    Result = fsp_fuse_intf_GetFileInfoFunnel(FileSystem, PosixPath, fi,
+    Result = fsp_fuse_intf_GetFileInfoFunnel(FileSystem, PosixPath, fi, 0,
         &Uid, &Gid, &Mode, &Dev, &FileInfo);
     if (!NT_SUCCESS(Result))
         return Result;
@@ -630,18 +670,18 @@ static NTSTATUS fsp_fuse_intf_GetVolumeInfo(FSP_FILE_SYSTEM *FileSystem,
     struct fuse_statvfs stbuf;
     int err;
 
-    if (0 == f->ops.statfs)
-        return STATUS_INVALID_DEVICE_REQUEST;
-
     memset(&stbuf, 0, sizeof stbuf);
+    if (0 != f->ops.statfs)
+    {
         err = f->ops.statfs("/", &stbuf);
         if (0 != err)
             return fsp_fuse_ntstatus_from_errno(f->env, err);
+    }
 
     VolumeInfo->TotalSize = (UINT64)stbuf.f_blocks * (UINT64)stbuf.f_frsize;
     VolumeInfo->FreeSize = (UINT64)stbuf.f_bfree * (UINT64)stbuf.f_frsize;
-    VolumeInfo->VolumeLabelLength = 0;
-    VolumeInfo->VolumeLabel[0] = L'\0';
+    VolumeInfo->VolumeLabelLength = f->VolumeLabelLength;
+    memcpy(&VolumeInfo->VolumeLabel, &f->VolumeLabel, f->VolumeLabelLength);
 
     return STATUS_SUCCESS;
 }
@@ -671,14 +711,16 @@ static NTSTATUS fsp_fuse_intf_GetSecurityByName(FSP_FILE_SYSTEM *FileSystem,
 
     Result = fsp_fuse_intf_GetSecurityEx(FileSystem, PosixPath, 0,
         PFileAttributes, SecurityDescriptorBuf, PSecurityDescriptorSize);
-    if (!NT_SUCCESS(Result))
+    if (!NT_SUCCESS(Result) &&
+        STATUS_OBJECT_NAME_NOT_FOUND != Result &&
+        STATUS_OBJECT_PATH_NOT_FOUND != Result)
         goto exit;
 
     if (FSP_FUSE_HAS_SYMLINKS(f) &&
         FspFileSystemFindReparsePoint(FileSystem, fsp_fuse_intf_GetReparsePointByName, 0,
             FileName, PFileAttributes))
         Result = STATUS_REPARSE;
-    else
+    else if (NT_SUCCESS(Result))
         Result = STATUS_SUCCESS;
 
 exit:
@@ -722,12 +764,14 @@ static NTSTATUS fsp_fuse_intf_Create(FSP_FILE_SYSTEM *FileSystem,
             goto exit;
     }
     Mode &= ~context->umask;
+    if (f->set_create_umask)
+        Mode = 0777 & ~f->create_umask;
 
     memset(&fi, 0, sizeof fi);
     if ('C' == f->env->environment) /* Cygwin */
-        fi.flags = 0x0200 | 2 /*O_CREAT|O_RDWR*/;
+        fi.flags = 0x0200 | 0x0800 | 2 /*O_CREAT|O_EXCL|O_RDWR*/;
     else
-        fi.flags = 0x0100 | 2 /*O_CREAT|O_RDWR*/;
+        fi.flags = 0x0100 | 0x0400 | 2 /*O_CREAT|O_EXCL|O_RDWR*/;
 
     if (CreateOptions & FILE_DIRECTORY_FILE)
     {
@@ -781,22 +825,30 @@ static NTSTATUS fsp_fuse_intf_Create(FSP_FILE_SYSTEM *FileSystem,
 
     Opened = TRUE;
 
-    if (Uid != context->uid || Gid != context->gid)
-        if (0 != f->ops.chown)
-        {
-            err = f->ops.chown(contexthdr->PosixPath, Uid, Gid);
-            if (0 != err)
+    if (0 != FileAttributes &&
+        0 != (f->conn_want & FSP_FUSE_CAP_STAT_EX) && 0 != f->ops.chflags)
     {
+        err = f->ops.chflags(contexthdr->PosixPath,
+            fsp_fuse_intf_MapFileAttributesToFlags(CreateOptions & FILE_DIRECTORY_FILE ?
+                FileAttributes : FileAttributes | FILE_ATTRIBUTE_ARCHIVE));
         Result = fsp_fuse_ntstatus_from_errno(f->env, err);
+        if (!NT_SUCCESS(Result) && STATUS_INVALID_DEVICE_REQUEST != Result)
             goto exit;
     }
+
+    if ((Uid != context->uid || Gid != context->gid) &&
+        0 != f->ops.chown)
+    {
+        err = f->ops.chown(contexthdr->PosixPath, Uid, Gid);
+        Result = fsp_fuse_ntstatus_from_errno(f->env, err);
+        if (!NT_SUCCESS(Result) && STATUS_INVALID_DEVICE_REQUEST != Result)
+            goto exit;
     }
 
     /*
-     * Ignore fuse_file_info::direct_io, fuse_file_info::keep_cache
-     * WinFsp does not currently support disabling the cache manager
-     * for an individual file although it should not be hard to add
-     * if required.
+     * Ignore fuse_file_info::direct_io, fuse_file_info::keep_cache.
+     * NOTE: Originally WinFsp dit not support disabling the cache manager
+     * for an individual file. This is now possible and we should revisit.
      *
      * Ignore fuse_file_info::nonseekable.
      */
@@ -976,6 +1028,22 @@ static NTSTATUS fsp_fuse_intf_Overwrite(FSP_FILE_SYSTEM *FileSystem,
     if (!NT_SUCCESS(Result))
         return Result;
 
+    if (0 != FileAttributes &&
+        0 != (f->conn_want & FSP_FUSE_CAP_STAT_EX) && 0 != f->ops.chflags)
+    {
+        /*
+         * The code below is not strictly correct. File attributes should be
+         * replaced when ReplaceFileAttributes is TRUE and merged (or'ed) when
+         * ReplaceFileAttributes is FALSE. I am punting on this detail for now.
+         */
+
+        err = f->ops.chflags(filedesc->PosixPath,
+            fsp_fuse_intf_MapFileAttributesToFlags(FileAttributes | FILE_ATTRIBUTE_ARCHIVE));
+        Result = fsp_fuse_ntstatus_from_errno(f->env, err);
+        if (!NT_SUCCESS(Result) && STATUS_INVALID_DEVICE_REQUEST != Result)
+            return Result;
+    }
+
     return fsp_fuse_intf_GetFileInfoEx(FileSystem, filedesc->PosixPath, &fi,
         &Uid, &Gid, &Mode, FileInfo);
 }
@@ -1135,6 +1203,7 @@ static NTSTATUS fsp_fuse_intf_Write(FSP_FILE_SYSTEM *FileSystem,
 
     AllocationUnit = (UINT64)f->VolumeParams.SectorSize *
         (UINT64)f->VolumeParams.SectorsPerAllocationUnit;
+    if (Offset + bytes > FileInfoBuf.FileSize)
         FileInfoBuf.FileSize = Offset + bytes;
     FileInfoBuf.AllocationSize =
         (FileInfoBuf.FileSize + AllocationUnit - 1) / AllocationUnit * AllocationUnit;
@@ -1228,67 +1297,74 @@ static NTSTATUS fsp_fuse_intf_SetBasicInfo(FSP_FILE_SYSTEM *FileSystem,
     int err;
     NTSTATUS Result;
 
-    if (0 == f->ops.utimens && 0 == f->ops.utime)
-        return STATUS_SUCCESS; /* liar! */
-
-    /* no way to set FileAttributes, CreationTime! */
-    if (0 == LastAccessTime && 0 == LastWriteTime)
-        return STATUS_SUCCESS;
-
     memset(&fi, 0, sizeof fi);
     fi.flags = filedesc->OpenFlags;
     fi.fh = filedesc->FileHandle;
 
+    if (INVALID_FILE_ATTRIBUTES != FileAttributes &&
+        0 != (f->conn_want & FSP_FUSE_CAP_STAT_EX) && 0 != f->ops.chflags)
+    {
+        err = f->ops.chflags(filedesc->PosixPath,
+            fsp_fuse_intf_MapFileAttributesToFlags(FileAttributes));
+        Result = fsp_fuse_ntstatus_from_errno(f->env, err);
+        if (!NT_SUCCESS(Result))
+            return Result;
+    }
+
+    if ((0 != LastAccessTime || 0 != LastWriteTime) &&
+        (0 != f->ops.utimens || 0 != f->ops.utime))
+    {
+        if (0 == LastAccessTime || 0 == LastWriteTime)
+        {
             Result = fsp_fuse_intf_GetFileInfoEx(FileSystem, filedesc->PosixPath, &fi,
                 &Uid, &Gid, &Mode, &FileInfoBuf);
             if (!NT_SUCCESS(Result))
                 return Result;
 
-    if (0 != LastAccessTime)
-        FileInfoBuf.LastAccessTime = LastAccessTime;
-    if (0 != LastWriteTime)
-        FileInfoBuf.LastWriteTime = LastWriteTime;
-
-    /* UNIX epoch in 100-ns intervals */
-    LastAccessTime = FileInfoBuf.LastAccessTime - 116444736000000000;
-    LastWriteTime = FileInfoBuf.LastWriteTime - 116444736000000000;
+            if (0 == LastAccessTime)
+                LastAccessTime = FileInfoBuf.LastAccessTime;
+            if (0 == LastWriteTime)
+                LastWriteTime = FileInfoBuf.LastWriteTime;
+        }
 
+        FspPosixFileTimeToUnixTime(LastAccessTime, (void *)&tv[0]);
+        FspPosixFileTimeToUnixTime(LastWriteTime, (void *)&tv[1]);
         if (0 != f->ops.utimens)
         {
-#if defined(_WIN64)
-        tv[0].tv_sec = (int64_t)(LastAccessTime / 10000000);
-        tv[0].tv_nsec = (int64_t)(LastAccessTime % 10000000) * 100;
-        tv[1].tv_sec = (int64_t)(LastWriteTime / 10000000);
-        tv[1].tv_nsec = (int64_t)(LastWriteTime % 10000000) * 100;
-#else
-        tv[0].tv_sec = (int32_t)(LastAccessTime / 10000000);
-        tv[0].tv_nsec = (int32_t)(LastAccessTime % 10000000) * 100;
-        tv[1].tv_sec = (int32_t)(LastWriteTime / 10000000);
-        tv[1].tv_nsec = (int32_t)(LastWriteTime % 10000000) * 100;
-#endif
-
             err = f->ops.utimens(filedesc->PosixPath, tv);
             Result = fsp_fuse_ntstatus_from_errno(f->env, err);
         }
         else
         {
-#if defined(_WIN64)
-        timbuf.actime = (int64_t)(LastAccessTime / 10000000);
-        timbuf.modtime = (int64_t)(LastWriteTime / 10000000);
-#else
-        timbuf.actime = (int32_t)(LastAccessTime / 10000000);
-        timbuf.modtime = (int32_t)(LastWriteTime / 10000000);
-#endif
-
+            timbuf.actime = tv[0].tv_sec;
+            timbuf.modtime = tv[1].tv_sec;
             err = f->ops.utime(filedesc->PosixPath, &timbuf);
             Result = fsp_fuse_ntstatus_from_errno(f->env, err);
         }
         if (!NT_SUCCESS(Result))
             return Result;
+    }
 
-    memcpy(FileInfo, &FileInfoBuf, sizeof FileInfoBuf);
+    if (0 != CreationTime && 0 != f->ops.setcrtime)
+    {
+        FspPosixFileTimeToUnixTime(CreationTime, (void *)&tv[0]);
+        err = f->ops.setcrtime(filedesc->PosixPath, &tv[0]);
+        Result = fsp_fuse_ntstatus_from_errno(f->env, err);
+        if (!NT_SUCCESS(Result))
+            return Result;
+    }
 
-    return STATUS_SUCCESS;
+    if (0 != ChangeTime && 0 != f->ops.setchgtime)
+    {
+        FspPosixFileTimeToUnixTime(ChangeTime, (void *)&tv[0]);
+        err = f->ops.setchgtime(filedesc->PosixPath, &tv[0]);
+        Result = fsp_fuse_ntstatus_from_errno(f->env, err);
+        if (!NT_SUCCESS(Result))
+            return Result;
+    }
+
+    return fsp_fuse_intf_GetFileInfoEx(FileSystem, filedesc->PosixPath, &fi,
+        &Uid, &Gid, &Mode, FileInfo);
 }
 
 static NTSTATUS fsp_fuse_intf_SetFileSize(FSP_FILE_SYSTEM *FileSystem,
@@ -1576,6 +1652,18 @@ static int fsp_fuse_intf_AddDirInfo(void *buf, const char *name,
     memset(DirInfo, 0, sizeof *DirInfo);
     DirInfo->Size = (UINT16)(sizeof(FSP_FSCTL_DIR_INFO) + SizeW * sizeof(WCHAR));
 
+    if (dh->ReaddirPlus && 0 != stbuf &&
+        0120000/* S_IFLNK */ != (stbuf->st_mode & 0170000))
+    {
+        UINT32 Uid, Gid, Mode;
+        NTSTATUS Result0;
+
+        Result0 = fsp_fuse_intf_GetFileInfoFunnel(dh->FileSystem, 0, 0, stbuf,
+            &Uid, &Gid, &Mode, 0, &DirInfo->FileInfo);
+        if (NT_SUCCESS(Result0))
+            DirInfo->Padding[0] = 1; /* HACK: remember that the FileInfo is valid */
+    }
+
     return !FspFileSystemFillDirectoryBuffer(&filedesc->DirBuffer, DirInfo, &dh->Result);
 }
 
@@ -1619,6 +1707,14 @@ static NTSTATUS fsp_fuse_intf_FixDirInfo(FSP_FILE_SYSTEM *FileSystem,
         DirInfo = (FSP_FSCTL_DIR_INFO *)(Buffer + *Index);
         SizeW = (DirInfo->Size - sizeof *DirInfo) / sizeof(WCHAR);
 
+        if (DirInfo->Padding[0])
+        {
+            /* DirInfo has been filled already! */
+
+            DirInfo->Padding[0] = 0;
+        }
+        else
+        {
             if (1 == SizeW && L'.' == DirInfo->FileNameBuf[0])
             {
                 PosixPathEnd = 1 < PosixName - PosixPath ? PosixName - 1 : PosixName;
@@ -1656,6 +1752,7 @@ static NTSTATUS fsp_fuse_intf_FixDirInfo(FSP_FILE_SYSTEM *FileSystem,
 
             if (0 != PosixPathEnd)
                 *PosixPathEnd = SavedPathChar;
+        }
 
         FspPosixDecodeWindowsPath(DirInfo->FileNameBuf, SizeW);
     }
@@ -1683,6 +1780,8 @@ static NTSTATUS fsp_fuse_intf_ReadDirectory(FSP_FILE_SYSTEM *FileSystem,
     {
         memset(&dh, 0, sizeof dh);
         dh.filedesc = filedesc;
+        dh.FileSystem = FileSystem;
+        dh.ReaddirPlus = 0 != (f->conn_want & FSP_FUSE_CAP_READDIR_PLUS);
         dh.Result = STATUS_SUCCESS;
 
         if (0 != f->ops.readdir)
@@ -1721,6 +1820,63 @@ static NTSTATUS fsp_fuse_intf_ReadDirectory(FSP_FILE_SYSTEM *FileSystem,
     return STATUS_SUCCESS;
 }
 
+static NTSTATUS fsp_fuse_intf_GetDirInfoByName(FSP_FILE_SYSTEM *FileSystem,
+    PVOID FileNode, PWSTR FileName,
+    FSP_FSCTL_DIR_INFO *DirInfo)
+{
+    struct fuse *f = FileSystem->UserContext;
+    struct fsp_fuse_file_desc *filedesc = FileNode;
+    char *PosixName = 0;
+    char PosixPath[FSP_FSCTL_TRANSACT_PATH_SIZEMAX / sizeof(WCHAR)];
+    int ParentLength, FSlashLength, PosixNameLength;
+    UINT32 Uid, Gid, Mode;
+    NTSTATUS Result;
+
+    Result = FspPosixMapWindowsToPosixPath(FileName, &PosixName);
+    if (!NT_SUCCESS(Result))
+    {
+        Result = STATUS_OBJECT_NAME_NOT_FOUND; //Result?
+        goto exit;
+    }
+
+    ParentLength = lstrlenA(filedesc->PosixPath);
+    FSlashLength = 1 < ParentLength;
+    PosixNameLength = lstrlenA(PosixName);
+    if (FSP_FSCTL_TRANSACT_PATH_SIZEMAX <= (ParentLength + FSlashLength + PosixNameLength) * sizeof(WCHAR))
+    {
+        Result = STATUS_OBJECT_NAME_NOT_FOUND; //STATUS_OBJECT_NAME_INVALID?
+        goto exit;
+    }
+
+    memcpy(PosixPath, filedesc->PosixPath, ParentLength);
+    memcpy(PosixPath + ParentLength, "/", FSlashLength);
+    memcpy(PosixPath + ParentLength + FSlashLength, PosixName, PosixNameLength + 1);
+
+    Result = fsp_fuse_intf_GetFileInfoEx(FileSystem, PosixPath, 0,
+        &Uid, &Gid, &Mode, &DirInfo->FileInfo);
+    if (!NT_SUCCESS(Result))
+    {
+        Result = STATUS_OBJECT_NAME_NOT_FOUND; //Result?
+        goto exit;
+    }
+
+    /*
+     * FUSE does not do FileName normalization; so just return the FileName as given to us!
+     */
+
+    //memset(DirInfo->Padding, 0, sizeof DirInfo->Padding);
+    DirInfo->Size = (UINT16)(sizeof(FSP_FSCTL_DIR_INFO) + lstrlenW(FileName) * sizeof(WCHAR));
+    memcpy(DirInfo->FileNameBuf, FileName, DirInfo->Size - sizeof(FSP_FSCTL_DIR_INFO));
+
+    Result = STATUS_SUCCESS;
+
+exit:
+    if (0 != PosixName)
+        FspPosixDeletePath(PosixName);
+
+    return Result;
+}
+
 static NTSTATUS fsp_fuse_intf_ResolveReparsePoints(FSP_FILE_SYSTEM *FileSystem,
     PWSTR FileName, UINT32 ReparsePointIndex, BOOLEAN ResolveLastPathComponent,
     PIO_STATUS_BLOCK PIoStatus, PVOID Buffer, PSIZE_T PSize)
@@ -1994,6 +2150,8 @@ FSP_FILE_SYSTEM_INTERFACE fsp_fuse_intf =
     fsp_fuse_intf_GetReparsePoint,
     fsp_fuse_intf_SetReparsePoint,
     fsp_fuse_intf_DeleteReparsePoint,
+    0,
+    fsp_fuse_intf_GetDirInfoByName,
 };
 
 /*

src/dll/fuse/fuse_main.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/fuse/fuse_main.c
  *
- * @copyright 2015-2017 Bill Zissimopoulos
+ * @copyright 2015-2018 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/fuse/fuse_opt.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/fuse/fuse_opt.c
  *
- * @copyright 2015-2017 Bill Zissimopoulos
+ * @copyright 2015-2018 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/fuse/library.h

@@ -1,7 +1,7 @@
 /**
  * @file dll/fuse/library.h
  *
- * @copyright 2015-2017 Bill Zissimopoulos
+ * @copyright 2015-2018 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.
@@ -35,18 +35,24 @@ struct fuse
 {
     struct fsp_fuse_env *env;
     int set_umask, umask;
+    int set_create_umask, create_umask;
     int set_uid, uid;
     int set_gid, gid;
     int rellinks;
+    unsigned ThreadCount;
     struct fuse_operations ops;
     void *data;
+    unsigned conn_want;
+    BOOLEAN fsinit;
     UINT32 DebugLog;
     FSP_FILE_SYSTEM_OPERATION_GUARD_STRATEGY OpGuardStrategy;
     FSP_FSCTL_VOLUME_PARAMS VolumeParams;
+    UINT16 VolumeLabelLength;
+    WCHAR VolumeLabel[sizeof ((FSP_FSCTL_VOLUME_INFO *)0)->VolumeLabel / sizeof(WCHAR)];
     PWSTR MountPoint;
     FSP_FILE_SYSTEM *FileSystem;
-    BOOLEAN fsinit;
     FSP_SERVICE *Service; /* weak */
+    volatile int exited;
 };
 
 struct fsp_fuse_context_header
@@ -66,8 +72,12 @@ struct fsp_fuse_file_desc
 
 struct fuse_dirhandle
 {
+    /* ReadDirectory */
     struct fsp_fuse_file_desc *filedesc;
+    FSP_FILE_SYSTEM *FileSystem;
+    BOOLEAN ReaddirPlus;
     NTSTATUS Result;
+    /* CanDelete */
     BOOLEAN DotFiles, HasChild;
 };
 

src/dll/launch.c

@@ -0,0 +1,449 @@
+/**
+ * @file dll/launch.c
+ *
+ * @copyright 2015-2018 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 file in
+ * accordance with the commercial license agreement provided with the
+ * software.
+ */
+
+#include <dll/library.h>
+
+FSP_API NTSTATUS FspLaunchCallLauncherPipe(
+    WCHAR Command, ULONG Argc, PWSTR *Argv, ULONG *Argl,
+    PWSTR Buffer, PULONG PSize, PULONG PLauncherError)
+{
+    PWSTR PipeBuf = 0, P;
+    ULONG Length, BytesTransferred;
+    NTSTATUS Result;
+    ULONG ErrorCode;
+
+    *PLauncherError = 0;
+
+    PipeBuf = MemAlloc(FSP_LAUNCH_PIPE_BUFFER_SIZE);
+    if (0 == PipeBuf)
+    {
+        Result = STATUS_INSUFFICIENT_RESOURCES;
+        goto exit;
+    }
+
+    P = PipeBuf;
+    *P++ = Command;
+    for (ULONG I = 0; Argc > I; I++)
+        if (0 != Argv[I])
+        {
+            Length = 0 == Argl || -1 == Argl[I] ? lstrlenW(Argv[I]) : Argl[I];
+            if (FSP_LAUNCH_PIPE_BUFFER_SIZE < ((ULONG)(P - PipeBuf) + Length + 1) * sizeof(WCHAR))
+            {
+                Result = STATUS_INVALID_PARAMETER;
+                goto exit;
+            }
+            memcpy(P, Argv[I], Length * sizeof(WCHAR)); P += Length; *P++ = L'\0';
+        }
+
+    Result = FspCallNamedPipeSecurely(L"" FSP_LAUNCH_PIPE_NAME,
+        PipeBuf, (ULONG)(P - PipeBuf) * sizeof(WCHAR), PipeBuf, FSP_LAUNCH_PIPE_BUFFER_SIZE,
+        &BytesTransferred, NMPWAIT_USE_DEFAULT_WAIT, FSP_LAUNCH_PIPE_OWNER);
+    if (!NT_SUCCESS(Result))
+        goto exit;
+
+    Result = STATUS_SUCCESS;
+    ErrorCode = ERROR_BROKEN_PIPE; /* protocol error! */
+    if (sizeof(WCHAR) <= BytesTransferred)
+    {
+        if (FspLaunchCmdSuccess == PipeBuf[0])
+        {
+            ErrorCode = 0;
+
+            if (0 != PSize)
+            {
+                BytesTransferred -= sizeof(WCHAR);
+                memcpy(Buffer, PipeBuf + 1, *PSize < BytesTransferred ? *PSize : BytesTransferred);
+                *PSize = BytesTransferred;
+            }
+        }
+        else if (FspLaunchCmdFailure == PipeBuf[0])
+        {
+            ErrorCode = 0;
+
+            for (PWSTR P = PipeBuf + 1, EndP = PipeBuf + BytesTransferred / sizeof(WCHAR); EndP > P; P++)
+            {
+                if (L'0' > *P || *P > L'9')
+                    break;
+                ErrorCode = 10 * ErrorCode + (*P - L'0');
+            }
+
+            if (0 == ErrorCode)
+                ErrorCode = ERROR_BROKEN_PIPE; /* protocol error! */
+        }
+    }
+
+    *PLauncherError = ErrorCode;
+
+exit:
+    if (!NT_SUCCESS(Result) && 0 != PSize)
+        *PSize = 0;
+
+    MemFree(PipeBuf);
+
+    return Result;
+}
+
+FSP_API NTSTATUS FspLaunchStart(
+    PWSTR ClassName, PWSTR InstanceName, ULONG Argc, PWSTR *Argv0,
+    BOOLEAN HasSecret,
+    PULONG PLauncherError)
+{
+    PWSTR Argv[9 + 2];
+
+    if (9 < Argc)
+        return STATUS_INVALID_PARAMETER;
+
+    Argv[0] = ClassName;
+    Argv[1] = InstanceName;
+    memcpy(Argv + 2, Argv0, Argc * sizeof(PWSTR));
+
+    return FspLaunchCallLauncherPipe(
+        HasSecret ? FspLaunchCmdStartWithSecret : FspLaunchCmdStart,
+        Argc + 2, Argv, 0, 0, 0, PLauncherError);
+}
+
+FSP_API NTSTATUS FspLaunchStop(
+    PWSTR ClassName, PWSTR InstanceName,
+    PULONG PLauncherError)
+{
+    PWSTR Argv[2];
+
+    Argv[0] = ClassName;
+    Argv[1] = InstanceName;
+
+    return FspLaunchCallLauncherPipe(FspLaunchCmdStop,
+        2, Argv, 0, 0, 0, PLauncherError);
+}
+
+FSP_API NTSTATUS FspLaunchGetInfo(
+    PWSTR ClassName, PWSTR InstanceName,
+    PWSTR Buffer, PULONG PSize,
+    PULONG PLauncherError)
+{
+    PWSTR Argv[2];
+
+    Argv[0] = ClassName;
+    Argv[1] = InstanceName;
+
+    return FspLaunchCallLauncherPipe(FspLaunchCmdGetInfo,
+        2, Argv, 0, Buffer, PSize, PLauncherError);
+}
+
+FSP_API NTSTATUS FspLaunchGetNameList(
+    PWSTR Buffer, PULONG PSize,
+    PULONG PLauncherError)
+{
+    return FspLaunchCallLauncherPipe(FspLaunchCmdGetNameList,
+        0, 0, 0, Buffer, PSize, PLauncherError);
+}
+
+FSP_API NTSTATUS FspLaunchRegSetRecord(
+    PWSTR ClassName,
+    const FSP_LAUNCH_REG_RECORD *Record)
+{
+#define SETFIELD(FieldName)             \
+    do                                  \
+    {                                   \
+        if (0 != Record->FieldName)     \
+        {                               \
+            RegResult = RegSetValueExW(RegKey,\
+                L"" #FieldName, 0, REG_SZ,\
+                (PVOID)Record->FieldName, (lstrlenW(Record->FieldName) + 1) * sizeof(WCHAR));\
+            if (ERROR_SUCCESS != RegResult)\
+            {                           \
+                Result = FspNtStatusFromWin32(RegResult);\
+                goto exit;              \
+            }                           \
+        }                               \
+        else                            \
+        {                               \
+            RegResult = RegDeleteValueW(RegKey,\
+                L"" #FieldName);\
+            if (ERROR_SUCCESS != RegResult && ERROR_FILE_NOT_FOUND != RegResult)\
+            {                           \
+                Result = FspNtStatusFromWin32(RegResult);\
+                goto exit;              \
+            }                           \
+        }                               \
+    } while (0,0)
+#define SETFIELDI(FieldName, Deflt)     \
+    do                                  \
+    {                                   \
+        if (Deflt != Record->FieldName) \
+        {                               \
+            RegResult = RegSetValueExW(RegKey,\
+                L"" #FieldName, 0, REG_DWORD,\
+                (PVOID)&Record->FieldName, sizeof Record->FieldName);\
+            if (ERROR_SUCCESS != RegResult)\
+            {                           \
+                Result = FspNtStatusFromWin32(RegResult);\
+                goto exit;              \
+            }                           \
+        }                               \
+        else                            \
+        {                               \
+            RegResult = RegDeleteValueW(RegKey,\
+                L"" #FieldName);\
+            if (ERROR_SUCCESS != RegResult && ERROR_FILE_NOT_FOUND != RegResult)\
+            {                           \
+                Result = FspNtStatusFromWin32(RegResult);\
+                goto exit;              \
+            }                           \
+        }                               \
+    } while (0,0)
+
+    NTSTATUS Result;
+    ULONG ClassNameLen;
+    WCHAR RegPath[MAX_PATH];
+    HKEY RegKey = 0;
+    DWORD RegResult;
+
+    if (0 != Record && 0 == Record->Executable)
+    {
+        Result = STATUS_INVALID_PARAMETER;
+        goto exit;
+    }
+
+    ClassNameLen = lstrlenW(ClassName);
+    if (sizeof RegPath - sizeof L"" FSP_LAUNCH_REGKEY <= (ClassNameLen + 1) * sizeof(WCHAR))
+    {
+        Result = STATUS_INVALID_PARAMETER;
+        goto exit;
+    }
+
+    memcpy(RegPath, L"" FSP_LAUNCH_REGKEY, sizeof L"" FSP_LAUNCH_REGKEY - sizeof(WCHAR));
+    RegPath[sizeof L"" FSP_LAUNCH_REGKEY / sizeof(WCHAR) - 1] = L'\\';
+    memcpy(RegPath + sizeof L"" FSP_LAUNCH_REGKEY / sizeof(WCHAR),
+        ClassName, (ClassNameLen + 1) * sizeof(WCHAR));
+
+    if (0 != Record)
+    {
+        RegResult = RegCreateKeyExW(HKEY_LOCAL_MACHINE, RegPath,
+            0, 0, 0, FSP_LAUNCH_REGKEY_WOW64 | KEY_SET_VALUE, 0, &RegKey, 0);
+        if (ERROR_SUCCESS != RegResult)
+        {
+            Result = FspNtStatusFromWin32(RegResult);
+            goto exit;
+        }
+
+        SETFIELD(Agent);
+        SETFIELD(Executable);
+        SETFIELD(CommandLine);
+        SETFIELD(WorkDirectory);
+        SETFIELD(RunAs);
+        SETFIELD(Security);
+        SETFIELDI(JobControl, ~0); /* JobControl default is 1; but we treat as without default */
+        SETFIELDI(Credentials, 0);
+    }
+    else
+    {
+        RegResult = RegDeleteKeyEx(HKEY_LOCAL_MACHINE, RegPath,
+            FSP_LAUNCH_REGKEY_WOW64, 0);
+        if (ERROR_SUCCESS != RegResult && ERROR_FILE_NOT_FOUND != RegResult)
+        {
+            Result = FspNtStatusFromWin32(RegResult);
+            goto exit;
+        }
+    }
+
+    Result = STATUS_SUCCESS;
+
+exit:
+    if (0 != RegKey)
+        RegCloseKey(RegKey);
+
+    return Result;
+
+#undef SETFIELD
+#undef SETFIELDI
+}
+
+FSP_API NTSTATUS FspLaunchRegGetRecord(
+    PWSTR ClassName, PWSTR Agent,
+    FSP_LAUNCH_REG_RECORD **PRecord)
+{
+#define GETFIELD(FieldName)             \
+    do                                  \
+    {                                   \
+        RegSize = sizeof RegBuf - RegMark;\
+        RegResult = RegQueryValueEx(RegKey,\
+            L"" #FieldName, 0, &RegType,\
+            (PVOID)(RegBuf + RegMark), &RegSize);\
+        if (ERROR_SUCCESS != RegResult) \
+        {                               \
+            if (ERROR_FILE_NOT_FOUND != RegResult)\
+            {                           \
+                Result = FspNtStatusFromWin32(RegResult);\
+                goto exit;              \
+            }                           \
+        }                               \
+        else if (REG_SZ != RegType ||   \
+            sizeof(WCHAR) > RegSize ||  \
+            L'\0' != *(PWSTR)(RegBuf + RegMark + RegSize - sizeof(WCHAR)))\
+        {                               \
+            Result = STATUS_OBJECT_NAME_NOT_FOUND;\
+            goto exit;                  \
+        }                               \
+        else                            \
+        {                               \
+            Record->FieldName = (PWSTR)(RegBuf + RegMark);\
+            RegMark += RegSize;         \
+        }                               \
+    } while (0,0)
+#define GETFIELDI(FieldName)            \
+    do                                  \
+    {                                   \
+        RegSize = sizeof RegDword;      \
+        RegResult = RegQueryValueEx(RegKey,\
+            L"" #FieldName, 0, &RegType,\
+            (PVOID)&RegDword, &RegSize);\
+        if (ERROR_SUCCESS != RegResult) \
+        {                               \
+            if (ERROR_FILE_NOT_FOUND != RegResult)\
+            {                           \
+                Result = FspNtStatusFromWin32(RegResult);\
+                goto exit;              \
+            }                           \
+        }                               \
+        else if (REG_DWORD != RegType)  \
+        {                               \
+            Result = STATUS_OBJECT_NAME_NOT_FOUND;\
+            goto exit;                  \
+        }                               \
+        else                            \
+            Record->FieldName = RegDword;\
+    } while (0,0)
+
+    NTSTATUS Result;
+    ULONG ClassNameLen;
+    WCHAR RegPath[MAX_PATH];
+    FSP_LAUNCH_REG_RECORD RecordBuf, *Record = &RecordBuf;
+    HKEY RegKey = 0;
+    DWORD RegResult, RegDword, RegType, RegSize, RegMark;
+    UINT8 RegBuf[2 * 1024];
+    PWSTR P, Part;
+    BOOLEAN FoundAgent;
+
+    *PRecord = 0;
+
+    ClassNameLen = lstrlenW(ClassName);
+    if (sizeof RegPath - sizeof L"" FSP_LAUNCH_REGKEY <= (ClassNameLen + 1) * sizeof(WCHAR))
+    {
+        Result = STATUS_INVALID_PARAMETER;
+        goto exit;
+    }
+
+    memcpy(RegPath, L"" FSP_LAUNCH_REGKEY, sizeof L"" FSP_LAUNCH_REGKEY - sizeof(WCHAR));
+    RegPath[sizeof L"" FSP_LAUNCH_REGKEY / sizeof(WCHAR) - 1] = L'\\';
+    memcpy(RegPath + sizeof L"" FSP_LAUNCH_REGKEY / sizeof(WCHAR),
+        ClassName, (ClassNameLen + 1) * sizeof(WCHAR));
+
+    RegResult = RegOpenKeyExW(HKEY_LOCAL_MACHINE, RegPath,
+        0, FSP_LAUNCH_REGKEY_WOW64 | KEY_QUERY_VALUE, &RegKey);
+    if (ERROR_SUCCESS != RegResult)
+    {
+        Result = FspNtStatusFromWin32(RegResult);
+        goto exit;
+    }
+
+    memset(Record, 0, sizeof *Record);
+    Record->JobControl = 1; /* default is YES! */
+    RegMark = 0;
+
+    GETFIELD(Agent);
+    if (0 != Agent && L'\0' != Agent[0] &&
+        0 != Record->Agent && L'\0' != Record->Agent[0])
+    {
+        FoundAgent = FALSE;
+        P = Record->Agent, Part = P;
+        do
+        {
+            if (L',' == *P || '\0' == *P)
+            {
+                if (0 == invariant_wcsnicmp(Part, Agent, P - Part))
+                {
+                    FoundAgent = TRUE;
+                    break;
+                }
+                else
+                    Part = P + 1;
+            }
+        } while (L'\0' != *P++);
+
+        if (!FoundAgent)
+        {
+            Result = STATUS_OBJECT_NAME_NOT_FOUND;
+            goto exit;
+        }
+    }
+
+    GETFIELD(Executable);
+    GETFIELD(CommandLine);
+    GETFIELD(WorkDirectory);
+    GETFIELD(RunAs);
+    GETFIELD(Security);
+    GETFIELDI(JobControl);
+    GETFIELDI(Credentials);
+
+    if (0 == Record->Executable)
+    {
+        Result = STATUS_OBJECT_NAME_NOT_FOUND;
+        goto exit;
+    }
+
+    Record = MemAlloc(FIELD_OFFSET(FSP_LAUNCH_REG_RECORD, Buffer) + RegMark);
+    if (0 == Record)
+    {
+        Result = STATUS_INSUFFICIENT_RESOURCES;
+        goto exit;
+    }
+
+    memset(Record, 0, sizeof *Record);
+    memcpy(Record->Buffer, RegBuf, RegMark);
+    Record->Agent = 0 != RecordBuf.Agent ?
+        (PVOID)(Record->Buffer + ((PUINT8)RecordBuf.Agent - RegBuf)) : 0;
+    Record->Executable = 0 != RecordBuf.Executable ?
+        (PVOID)(Record->Buffer + ((PUINT8)RecordBuf.Executable - RegBuf)) : 0;
+    Record->CommandLine = 0 != RecordBuf.CommandLine ?
+        (PVOID)(Record->Buffer + ((PUINT8)RecordBuf.CommandLine - RegBuf)) : 0;
+    Record->WorkDirectory = 0 != RecordBuf.WorkDirectory ?
+        (PVOID)(Record->Buffer + ((PUINT8)RecordBuf.WorkDirectory - RegBuf)) : 0;
+    Record->RunAs = 0 != RecordBuf.RunAs ?
+        (PVOID)(Record->Buffer + ((PUINT8)RecordBuf.RunAs - RegBuf)) : 0;
+    Record->Security = 0 != RecordBuf.Security ?
+        (PVOID)(Record->Buffer + ((PUINT8)RecordBuf.Security - RegBuf)) : 0;
+    Record->JobControl = RecordBuf.JobControl;
+    Record->Credentials = RecordBuf.Credentials;
+
+    *PRecord = Record;
+    Result = STATUS_SUCCESS;
+
+exit:
+    if (0 != RegKey)
+        RegCloseKey(RegKey);
+
+    return Result;
+
+#undef GETFIELDI
+#undef GETFIELD
+}
+
+FSP_API VOID FspLaunchRegFreeRecord(
+    FSP_LAUNCH_REG_RECORD *Record)
+{
+    MemFree(Record);
+}

src/dll/library.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/library.c
  *
- * @copyright 2015-2017 Bill Zissimopoulos
+ * @copyright 2015-2018 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.
@@ -44,6 +44,7 @@ BOOL WINAPI DllMain(HINSTANCE Instance, DWORD Reason, PVOID Reserved)
         FspServiceFinalize(Dynamic);
         FspEventLogFinalize(Dynamic);
         FspPosixFinalize(Dynamic);
+        FspWksidFinalize(Dynamic);
         break;
 
     case DLL_THREAD_DETACH:

src/dll/library.h

@@ -1,7 +1,7 @@
 /**
  * @file dll/library.h
  *
- * @copyright 2015-2017 Bill Zissimopoulos
+ * @copyright 2015-2018 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.
@@ -20,6 +20,7 @@
 
 #define WINFSP_DLL_INTERNAL
 #include <winfsp/winfsp.h>
+#include <winfsp/launch.h>
 #include <shared/minimal.h>
 #include <strsafe.h>
 
@@ -31,11 +32,15 @@
     FspDebugLog("[U] " LIBRARY_NAME "!" __FUNCTION__ ": " fmt "\n", __VA_ARGS__)
 #define DEBUGLOGSD(fmt, SD)             \
     FspDebugLogSD("[U] " LIBRARY_NAME "!" __FUNCTION__ ": " fmt "\n", SD)
+#define DEBUGLOGSID(fmt, Sid)           \
+    FspDebugLogSid("[U] " LIBRARY_NAME "!" __FUNCTION__ ": " fmt "\n", Sid)
 #else
 #define DEBUGLOG(fmt, ...)              ((void)0)
 #define DEBUGLOGSD(fmt, SD)             ((void)0)
+#define DEBUGLOGSID(fmt, Sid)           ((void)0)
 #endif
 
+VOID FspWksidFinalize(BOOLEAN Dynamic);
 VOID FspPosixFinalize(BOOLEAN Dynamic);
 VOID FspEventLogFinalize(BOOLEAN Dynamic);
 VOID FspServiceFinalize(BOOLEAN Dynamic);
@@ -49,6 +54,9 @@ NTSTATUS FspNpUnregister(VOID);
 NTSTATUS FspEventLogRegister(VOID);
 NTSTATUS FspEventLogUnregister(VOID);
 
+PSID FspWksidNew(WELL_KNOWN_SID_TYPE WellKnownSidType, PNTSTATUS PResult);
+PSID FspWksidGet(WELL_KNOWN_SID_TYPE WellKnownSidType);
+
 PWSTR FspDiagIdent(VOID);
 
 VOID FspFileSystemPeekInDirectoryBuffer(PVOID *PDirBuffer,

src/dll/np.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/np.c
  *
- * @copyright 2015-2017 Bill Zissimopoulos
+ * @copyright 2015-2018 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.
@@ -16,7 +16,6 @@
  */
 
 #include <dll/library.h>
-#include <launcher/launcher.h>
 #include <npapi.h>
 #include <wincred.h>
 
@@ -35,6 +34,12 @@
  */
 #define FSP_NP_CREDENTIAL_MANAGER
 
+/*
+ * Define the following macro to register ourselves as the first network provider.
+ * Otherwise we will be registered as the last network provider.
+ */
+#define FSP_NP_ORDER_FIRST
+
 enum
 {
     FSP_NP_CREDENTIALS_NONE             = 0,
@@ -147,7 +152,7 @@ static inline BOOLEAN FspNpParseRemoteName(PWSTR RemoteName,
     return TRUE;
 }
 
-static inline BOOLEAN FspNpParseUserName(PWSTR RemoteName,
+static inline BOOLEAN FspNpParseRemoteUserName(PWSTR RemoteName,
     PWSTR UserName, ULONG UserNameSize/* in chars */)
 {
     PWSTR ClassName, InstanceName, P;
@@ -168,39 +173,17 @@ static inline BOOLEAN FspNpParseUserName(PWSTR RemoteName,
     return FALSE;
 }
 
-static inline DWORD FspNpCallLauncherPipe(PWSTR PipeBuf, ULONG SendSize, ULONG RecvSize)
+static inline DWORD FspNpCallLauncherPipe(
+    WCHAR Command, ULONG Argc, PWSTR *Argv, ULONG *Argl,
+    PWSTR Buffer, PULONG PSize)
 {
-    DWORD NpResult;
     NTSTATUS Result;
-    DWORD BytesTransferred;
+    ULONG ErrorCode;
 
-    Result = FspCallNamedPipeSecurely(L"" LAUNCHER_PIPE_NAME, PipeBuf, SendSize, PipeBuf, RecvSize,
-        &BytesTransferred, NMPWAIT_USE_DEFAULT_WAIT, LAUNCHER_PIPE_OWNER);
-
-    if (!NT_SUCCESS(Result))
-        NpResult = WN_NO_NETWORK;
-    else if (sizeof(WCHAR) > BytesTransferred)
-        NpResult = WN_NO_NETWORK;
-    else if (LauncherSuccess == PipeBuf[0])
-        NpResult = WN_SUCCESS;
-    else if (LauncherFailure == PipeBuf[0])
-    {
-        NpResult = 0;
-        for (PWSTR P = PipeBuf + 1, EndP = PipeBuf + BytesTransferred / sizeof(WCHAR); EndP > P; P++)
-        {
-            if (L'0' > *P || *P > L'9')
-                break;
-
-            NpResult = 10 * NpResult + (*P - L'0');
-        }
-
-        if (0 == NpResult)
-            NpResult = WN_NO_NETWORK;
-    }
-    else 
-        NpResult = WN_NO_NETWORK;
-
-    return NpResult;
+    Result = FspLaunchCallLauncherPipe(Command, Argc, Argv, Argl, Buffer, PSize, &ErrorCode);
+    return !NT_SUCCESS(Result) ?
+        WN_NO_NETWORK :
+        (ERROR_BROKEN_PIPE == ErrorCode ? WN_NO_NETWORK : ErrorCode);
 }
 
 static NTSTATUS FspNpGetVolumeList(
@@ -264,14 +247,13 @@ static WCHAR FspNpGetDriveLetter(PDWORD PLogicalDrives, PWSTR VolumeName)
     return 0;
 }
 
-static DWORD FspNpGetCredentialsKind(PWSTR RemoteName, PDWORD PCredentialsKind)
+static DWORD FspNpGetRemoteInfo(PWSTR RemoteName, PDWORD PCredentialsKind)
 {
-    HKEY RegKey = 0;
-    DWORD NpResult, RegSize;
-    DWORD Credentials;
     PWSTR ClassName, InstanceName;
     ULONG ClassNameLen, InstanceNameLen;
     WCHAR ClassNameBuf[sizeof(((FSP_FSCTL_VOLUME_PARAMS *)0)->Prefix) / sizeof(WCHAR)];
+    FSP_LAUNCH_REG_RECORD *Record;
+    NTSTATUS Result;
 
     *PCredentialsKind = FSP_NP_CREDENTIALS_NONE;
 
@@ -284,33 +266,22 @@ static DWORD FspNpGetCredentialsKind(PWSTR RemoteName, PDWORD PCredentialsKind)
     memcpy(ClassNameBuf, ClassName, ClassNameLen * sizeof(WCHAR));
     ClassNameBuf[ClassNameLen] = '\0';
 
-    NpResult = RegOpenKeyExW(HKEY_LOCAL_MACHINE, L"" LAUNCHER_REGKEY, 0, KEY_READ, &RegKey);
-    if (ERROR_SUCCESS != NpResult)
-        goto exit;
+    Result = FspLaunchRegGetRecord(ClassNameBuf, L"" FSP_NP_NAME, &Record);
+    if (!NT_SUCCESS(Result))
+        return WN_NO_NETWORK;
 
-    RegSize = sizeof Credentials;
-    Credentials = 0; /* default is NO credentials */
-    NpResult = RegGetValueW(RegKey, ClassNameBuf, L"Credentials", RRF_RT_REG_DWORD, 0,
-        &Credentials, &RegSize);
-    if (ERROR_SUCCESS != NpResult && ERROR_FILE_NOT_FOUND != NpResult)
-        goto exit;
-
-    switch (Credentials)
+    switch (Record->Credentials)
     {
     case FSP_NP_CREDENTIALS_NONE:
     case FSP_NP_CREDENTIALS_PASSWORD:
     case FSP_NP_CREDENTIALS_USERPASS:
-        *PCredentialsKind = Credentials;
+        *PCredentialsKind = Record->Credentials;
         break;
     }
 
-    NpResult = ERROR_SUCCESS;
+    FspLaunchRegFreeRecord(Record);
 
-exit:
-    if (0 != RegKey)
-        RegCloseKey(RegKey);
-
-    return NpResult;
+    return WN_SUCCESS;
 }
 
 static DWORD FspNpGetCredentials(
@@ -425,7 +396,7 @@ DWORD APIENTRY NPGetConnection(
 
     Result = FspNpGetVolumeList(&VolumeListBuf, &VolumeListSize);
     if (!NT_SUCCESS(Result))
-        return WN_OUT_OF_MEMORY;
+        return WN_NOT_CONNECTED;
 
     NpResult = WN_NOT_CONNECTED;
     for (P = VolumeListBuf, VolumeListBufEnd = (PVOID)((PUINT8)P + VolumeListSize), VolumeName = P;
@@ -489,7 +460,9 @@ DWORD APIENTRY NPAddConnection(LPNETRESOURCEW lpNetResource, LPWSTR lpPassword,
     PWSTR ClassName, InstanceName, RemoteName, P;
     ULONG ClassNameLen, InstanceNameLen;
     DWORD CredentialsKind;
-    PWSTR PipeBuf = 0;
+    ULONG Argc;
+    PWSTR Argv[6];
+    ULONG Argl[6];
 #if defined(FSP_NP_CREDENTIAL_MANAGER)
     PCREDENTIALW Credential = 0;
 #endif
@@ -516,7 +489,9 @@ DWORD APIENTRY NPAddConnection(LPNETRESOURCEW lpNetResource, LPWSTR lpPassword,
             return WN_ALREADY_CONNECTED;
     }
 
-    FspNpGetCredentialsKind(lpRemoteName, &CredentialsKind);
+    NpResult = FspNpGetRemoteInfo(lpRemoteName, &CredentialsKind);
+    if (WN_SUCCESS != NpResult)
+        return NpResult;
 
 #if defined(FSP_NP_CREDENTIAL_MANAGER)
     /* if we need credentials and none were passed check with the credential manager */
@@ -555,32 +530,23 @@ DWORD APIENTRY NPAddConnection(LPNETRESOURCEW lpNetResource, LPWSTR lpPassword,
         }
     }
 
-    PipeBuf = MemAlloc(LAUNCHER_PIPE_BUFFER_SIZE);
-    if (0 == PipeBuf)
-    {
-        NpResult = WN_OUT_OF_MEMORY;
-        goto exit;
-    }
-
-    /* we do not explicitly check, but assumption is it all fits in LAUNCHER_PIPE_BUFFER_SIZE */
-    P = PipeBuf;
-    *P++ = FSP_NP_CREDENTIALS_NONE != CredentialsKind ?
-        LauncherSvcInstanceStartWithSecret : LauncherSvcInstanceStart;
-    memcpy(P, ClassName, ClassNameLen * sizeof(WCHAR)); P += ClassNameLen; *P++ = L'\0';
-    memcpy(P, InstanceName, InstanceNameLen * sizeof(WCHAR)); P += InstanceNameLen; *P++ = L'\0';
-    lstrcpyW(P, RemoteName); P += lstrlenW(RemoteName) + 1;
-    lstrcpyW(P, LocalNameBuf); P += lstrlenW(LocalNameBuf) + 1;
+    Argc = 0;
+    Argv[Argc] = ClassName; Argl[Argc] = ClassNameLen; Argc++;
+    Argv[Argc] = InstanceName; Argl[Argc] = InstanceNameLen; Argc++;
+    Argv[Argc] = RemoteName; Argl[Argc] = -1; Argc++;
+    Argv[Argc] = LocalNameBuf; Argl[Argc] = -1; Argc++;
     if (FSP_NP_CREDENTIALS_USERPASS == CredentialsKind)
     {
-        lstrcpyW(P, lpUserName); P += lstrlenW(lpUserName) + 1;
+        Argv[Argc] = lpUserName; Argl[Argc] = -1; Argc++;
     }
     if (FSP_NP_CREDENTIALS_NONE != CredentialsKind)
     {
-        lstrcpyW(P, lpPassword); P += lstrlenW(lpPassword) + 1;
+        Argv[Argc] = lpPassword; Argl[Argc] = -1; Argc++;
     }
 
     NpResult = FspNpCallLauncherPipe(
-        PipeBuf, (ULONG)(P - PipeBuf) * sizeof(WCHAR), LAUNCHER_PIPE_BUFFER_SIZE);
+        FSP_NP_CREDENTIALS_NONE != CredentialsKind ? FspLaunchCmdStartWithSecret : FspLaunchCmdStart,
+        Argc, Argv, Argl, 0, 0);
     switch (NpResult)
     {
     case WN_SUCCESS:
@@ -626,13 +592,13 @@ DWORD APIENTRY NPAddConnection(LPNETRESOURCEW lpNetResource, LPWSTR lpPassword,
                     break;
                 }
 
-                P = PipeBuf;
-                *P++ = LauncherSvcInstanceInfo;
-                memcpy(P, ClassName, ClassNameLen * sizeof(WCHAR)); P += ClassNameLen; *P++ = L'\0';
-                memcpy(P, InstanceName, InstanceNameLen * sizeof(WCHAR)); P += InstanceNameLen; *P++ = L'\0';
+                Argc = 0;
+                Argv[Argc] = ClassName; Argl[Argc] = ClassNameLen; Argc++;
+                Argv[Argc] = InstanceName; Argl[Argc] = InstanceNameLen; Argc++;
 
                 if (WN_SUCCESS != FspNpCallLauncherPipe(
-                    PipeBuf, (ULONG)(P - PipeBuf) * sizeof(WCHAR), LAUNCHER_PIPE_BUFFER_SIZE))
+                    FspLaunchCmdGetInfo,
+                    Argc, Argv, Argl, 0, 0))
                 {
                     /* looks like the file system is gone! */
                     NpResult = WN_NO_NETWORK;
@@ -676,8 +642,6 @@ DWORD APIENTRY NPAddConnection(LPNETRESOURCEW lpNetResource, LPWSTR lpPassword,
     }
 
 exit:
-    MemFree(PipeBuf);
-
 #if defined(FSP_NP_CREDENTIAL_MANAGER)
     if (0 != Credential)
         CredFree(Credential);
@@ -711,7 +675,9 @@ DWORD APIENTRY NPAddConnection3(HWND hwndOwner,
             return NpResult;
     }
 
-    FspNpGetCredentialsKind(RemoteName, &CredentialsKind);
+    NpResult = FspNpGetRemoteInfo(RemoteName, &CredentialsKind);
+    if (WN_SUCCESS != NpResult)
+        return NpResult;
     if (FSP_NP_CREDENTIALS_NONE == CredentialsKind)
         return WN_CANCEL;
 
@@ -720,7 +686,7 @@ DWORD APIENTRY NPAddConnection3(HWND hwndOwner,
     lstrcpyW(UserName, L"UNSPECIFIED");
     Password[0] = L'\0';
     if (FSP_NP_CREDENTIALS_PASSWORD == CredentialsKind)
-        FspNpParseUserName(RemoteName, UserName, sizeof UserName / sizeof UserName[0]);
+        FspNpParseRemoteUserName(RemoteName, UserName, sizeof UserName / sizeof UserName[0]);
     do
     {
         NpResult = FspNpGetCredentials(
@@ -766,9 +732,11 @@ DWORD APIENTRY NPCancelConnection(LPWSTR lpName, BOOL fForce)
     DWORD NpResult;
     WCHAR RemoteNameBuf[sizeof(((FSP_FSCTL_VOLUME_PARAMS *)0)->Prefix) / sizeof(WCHAR)];
     DWORD RemoteNameSize;
-    PWSTR ClassName, InstanceName, RemoteName, P;
+    PWSTR ClassName, InstanceName, RemoteName;
     ULONG ClassNameLen, InstanceNameLen;
-    PWSTR PipeBuf = 0;
+    ULONG Argc;
+    PWSTR Argv[2];
+    ULONG Argl[2];
 
     if (FspNpCheckLocalName(lpName))
     {
@@ -788,17 +756,13 @@ DWORD APIENTRY NPCancelConnection(LPWSTR lpName, BOOL fForce)
         &ClassName, &ClassNameLen, &InstanceName, &InstanceNameLen))
         return WN_BAD_NETNAME;
 
-    PipeBuf = MemAlloc(LAUNCHER_PIPE_BUFFER_SIZE);
-    if (0 == PipeBuf)
-        return WN_OUT_OF_MEMORY;
-
-    P = PipeBuf;
-    *P++ = LauncherSvcInstanceStop;
-    memcpy(P, ClassName, ClassNameLen * sizeof(WCHAR)); P += ClassNameLen; *P++ = L'\0';
-    memcpy(P, InstanceName, InstanceNameLen * sizeof(WCHAR)); P += InstanceNameLen; *P++ = L'\0';
+    Argc = 0;
+    Argv[Argc] = ClassName; Argl[Argc] = ClassNameLen; Argc++;
+    Argv[Argc] = InstanceName; Argl[Argc] = InstanceNameLen; Argc++;
 
     NpResult = FspNpCallLauncherPipe(
-        PipeBuf, (ULONG)(P - PipeBuf) * sizeof(WCHAR), LAUNCHER_PIPE_BUFFER_SIZE);
+        FspLaunchCmdStop,
+        Argc, Argv, Argl, 0, 0);
     switch (NpResult)
     {
     case WN_SUCCESS:
@@ -811,8 +775,6 @@ DWORD APIENTRY NPCancelConnection(LPWSTR lpName, BOOL fForce)
         break;
     }
 
-    MemFree(PipeBuf);
-
     return NpResult;
 }
 
@@ -1015,7 +977,7 @@ NTSTATUS FspNpRegister(VOID)
     WCHAR ProviderPath[MAX_PATH];
     WCHAR RegBuffer[1024];
     PWSTR P, Part;
-    DWORD RegResult, RegType, RegBufferSize;
+    DWORD RegResult, RegType, RegBufferSize, RegBufferOffset;
     HKEY RegKey;
     BOOLEAN FoundProvider;
 
@@ -1072,6 +1034,13 @@ NTSTATUS FspNpRegister(VOID)
     if (ERROR_SUCCESS != RegResult)
         goto close_and_exit;
 
+    RegResult = RegSetValueExW(RegKey,
+        L"DeviceName", 0, REG_SZ,
+        (PVOID)L"\\Device\\" FSP_FSCTL_MUP_DEVICE_NAME,
+        sizeof L"\\Device\\" FSP_FSCTL_MUP_DEVICE_NAME);
+    if (ERROR_SUCCESS != RegResult)
+        goto close_and_exit;
+
     RegCloseKey(RegKey);
 
     RegResult = RegOpenKeyExW(
@@ -1081,15 +1050,20 @@ NTSTATUS FspNpRegister(VOID)
         return FspNtStatusFromWin32(RegResult);
 
     RegBufferSize = sizeof RegBuffer - sizeof L"," FSP_NP_NAME;
+#ifdef FSP_NP_ORDER_FIRST
+    RegBufferOffset = sizeof "" FSP_NP_NAME;
+#else
+    RegBufferOffset = 0;
+#endif
     RegResult = RegQueryValueExW(RegKey,
-        L"ProviderOrder", 0, &RegType, (PVOID)RegBuffer, &RegBufferSize);
+        L"ProviderOrder", 0, &RegType, (PVOID)&RegBuffer[RegBufferOffset], &RegBufferSize);
     if (ERROR_SUCCESS != RegResult)
         goto close_and_exit;
     RegBufferSize /= sizeof(WCHAR);
 
     FoundProvider = FALSE;
-    RegBuffer[RegBufferSize] = L'\0';
-    P = RegBuffer, Part = P;
+    RegBuffer[RegBufferSize + RegBufferOffset] = L'\0';
+    P = &RegBuffer[RegBufferOffset], Part = P;
     do
     {
         if (L',' == *P || '\0' == *P)
@@ -1106,8 +1080,11 @@ NTSTATUS FspNpRegister(VOID)
 
     if (!FoundProvider)
     {
-        P--;
-        memcpy(P, L"," FSP_NP_NAME, sizeof L"," FSP_NP_NAME);
+#ifdef FSP_NP_ORDER_FIRST
+        memcpy((PWSTR)RegBuffer, L"" FSP_NP_NAME ",", sizeof L"" FSP_NP_NAME);
+#else
+        memcpy(--P, L"," FSP_NP_NAME, sizeof L"," FSP_NP_NAME);
+#endif
 
         RegBufferSize = lstrlenW(RegBuffer);
         RegBufferSize++;

src/dll/ntstatus.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/ntstatus.c
  *
- * @copyright 2015-2017 Bill Zissimopoulos
+ * @copyright 2015-2018 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/path.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/path.c
  *
- * @copyright 2015-2017 Bill Zissimopoulos
+ * @copyright 2015-2018 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/posix.c

@@ -14,7 +14,7 @@
  * [SNAME]
  *     https://www.cygwin.com/cygwin-ug-net/using-specialnames.html
  *
- * @copyright 2015-2017 Bill Zissimopoulos
+ * @copyright 2015-2018 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.
@@ -453,9 +453,12 @@ FSP_API NTSTATUS FspPosixMapPermissionsToSecurityDescriptor(
     if (!NT_SUCCESS(Result))
         goto exit;
 
-    Result = FspPosixMapUidToSid(0x10100, &WorldSid);
-    if (!NT_SUCCESS(Result))
+    WorldSid = FspWksidGet(WinWorldSid);
+    if (0 == WorldSid)
+    {
+        Result = STATUS_INSUFFICIENT_RESOURCES;
         goto exit;
+    }
 
     OwnerPerm = (Mode & 0700) >> 6;
     GroupPerm = (Mode & 0070) >> 3;
@@ -579,9 +582,6 @@ exit:
 
     MemFree(Acl);
 
-    if (0 != WorldSid)
-        FspDeleteSid(WorldSid, FspPosixMapUidToSid);
-
     if (0 != GroupSid)
         FspDeleteSid(GroupSid, FspPosixMapUidToSid);
 
@@ -649,13 +649,19 @@ FSP_API NTSTATUS FspPosixMapSecurityDescriptorToPermissions(
 
     if (0 != Acl)
     {
-        Result = FspPosixMapUidToSid(0x10100, &WorldSid);
-        if (!NT_SUCCESS(Result))
+        WorldSid = FspWksidGet(WinWorldSid);
+        if (0 == WorldSid)
+        {
+            Result = STATUS_INSUFFICIENT_RESOURCES;
             goto exit;
+        }
 
-        Result = FspPosixMapUidToSid(11, &AuthUsersSid);
-        if (!NT_SUCCESS(Result))
+        AuthUsersSid = FspWksidGet(WinAuthenticatedUserSid);
+        if (0 == AuthUsersSid)
+        {
+            Result = STATUS_INSUFFICIENT_RESOURCES;
             goto exit;
+        }
 
         OwnerAllow = OwnerDeny = GroupAllow = GroupDeny = WorldAllow = WorldDeny = 0;
 
@@ -771,12 +777,6 @@ FSP_API NTSTATUS FspPosixMapSecurityDescriptorToPermissions(
     Result = STATUS_SUCCESS;
 
 exit:
-    if (0 != AuthUsersSid)
-        FspDeleteSid(AuthUsersSid, FspPosixMapUidToSid);
-
-    if (0 != WorldSid)
-        FspDeleteSid(WorldSid, FspPosixMapUidToSid);
-
     return Result;
 
 lasterror:

src/dll/security.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/security.c
  *
- * @copyright 2015-2017 Bill Zissimopoulos
+ * @copyright 2015-2018 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.
@@ -172,8 +172,12 @@ FSP_API NTSTATUS FspAccessCheckEx(FSP_FILE_SYSTEM *FileSystem,
 
             if (0 < SecurityDescriptorSize)
             {
-                if (AccessCheck(SecurityDescriptor, (HANDLE)Request->Req.Create.AccessToken, FILE_TRAVERSE,
-                    &FspFileGenericMapping, PrivilegeSet, &PrivilegeSetLength, &TraverseAccess, &AccessStatus))
+                if (AccessCheck(SecurityDescriptor,
+                    FSP_FSCTL_TRANSACT_REQ_TOKEN_HANDLE(Request->Req.Create.AccessToken),
+                    FILE_TRAVERSE,
+                    &FspFileGenericMapping,
+                    PrivilegeSet, &PrivilegeSetLength,
+                    &TraverseAccess, &AccessStatus))
                     Result = AccessStatus ? STATUS_SUCCESS : STATUS_ACCESS_DENIED;
                 else
                     Result = FspNtStatusFromWin32(GetLastError());
@@ -202,8 +206,12 @@ FSP_API NTSTATUS FspAccessCheckEx(FSP_FILE_SYSTEM *FileSystem,
     {
         if (0 == DesiredAccess)
             Result = STATUS_SUCCESS;
-        else if (AccessCheck(SecurityDescriptor, (HANDLE)Request->Req.Create.AccessToken, DesiredAccess,
-            &FspFileGenericMapping, PrivilegeSet, &PrivilegeSetLength, PGrantedAccess, &AccessStatus))
+        else if (AccessCheck(SecurityDescriptor,
+            FSP_FSCTL_TRANSACT_REQ_TOKEN_HANDLE(Request->Req.Create.AccessToken),
+            DesiredAccess,
+            &FspFileGenericMapping,
+            PrivilegeSet, &PrivilegeSetLength,
+            PGrantedAccess, &AccessStatus))
             Result = AccessStatus ? STATUS_SUCCESS : STATUS_ACCESS_DENIED;
         else
             Result = FspNtStatusFromWin32(GetLastError());
@@ -244,8 +252,12 @@ FSP_API NTSTATUS FspAccessCheckEx(FSP_FILE_SYSTEM *FileSystem,
                 ((FILE_LIST_DIRECTORY & ParentAccess) ? FILE_READ_ATTRIBUTES : 0));
             if (0 != DesiredAccess2)
             {
-                if (AccessCheck(SecurityDescriptor, (HANDLE)Request->Req.Create.AccessToken, DesiredAccess2,
-                    &FspFileGenericMapping, PrivilegeSet, &PrivilegeSetLength, PGrantedAccess, &AccessStatus))
+                if (AccessCheck(SecurityDescriptor,
+                    FSP_FSCTL_TRANSACT_REQ_TOKEN_HANDLE(Request->Req.Create.AccessToken),
+                    DesiredAccess2,
+                    &FspFileGenericMapping,
+                    PrivilegeSet, &PrivilegeSetLength,
+                    PGrantedAccess, &AccessStatus))
                     Result = AccessStatus ? STATUS_SUCCESS : STATUS_ACCESS_DENIED;
                 else
                     /* any failure just becomes ACCESS DENIED at this point */
@@ -396,7 +408,7 @@ FSP_API NTSTATUS FspCreateSecurityDescriptor(FSP_FILE_SYSTEM *FileSystem,
             (PSECURITY_DESCRIPTOR)(Request->Buffer + Request->Req.Create.SecurityDescriptor.Offset) : 0,
         PSecurityDescriptor,
         0 != (Request->Req.Create.CreateOptions & FILE_DIRECTORY_FILE),
-        (HANDLE)Request->Req.Create.AccessToken,
+        FSP_FSCTL_TRANSACT_REQ_TOKEN_HANDLE(Request->Req.Create.AccessToken),
         &FspFileGenericMapping))
         return FspNtStatusFromWin32(GetLastError());
 

src/dll/service.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/service.c
  *
- * @copyright 2015-2017 Bill Zissimopoulos
+ * @copyright 2015-2018 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.
@@ -79,7 +79,7 @@ FSP_API ULONG FspServiceRunEx(PWSTR ServiceName,
     if (!NT_SUCCESS(Result))
     {
         FspServiceLog(EVENTLOG_ERROR_TYPE,
-            L"The service %s cannot be created (Status=%lx).", Service->ServiceName, Result);
+            L"The service %s cannot be created (Status=%lx).", ServiceName, Result);
         return FspWin32FromNtStatus(Result);
     }
     Service->UserContext = UserContext;
@@ -92,7 +92,7 @@ FSP_API ULONG FspServiceRunEx(PWSTR ServiceName,
     if (!NT_SUCCESS(Result))
     {
         FspServiceLog(EVENTLOG_ERROR_TYPE,
-            L"The service %s has failed to run (Status=%lx).", Service->ServiceName, Result);
+            L"The service %s has failed to run (Status=%lx).", ServiceName, Result);
         return FspWin32FromNtStatus(Result);
     }
 
@@ -566,6 +566,106 @@ FSP_API BOOLEAN FspServiceIsInteractive(VOID)
     return IsInteractive;
 }
 
+FSP_API NTSTATUS FspServiceContextCheck(HANDLE Token, PBOOLEAN PIsLocalSystem)
+{
+    NTSTATUS Result;
+    PSID LocalSystemSid, ServiceSid;
+    BOOLEAN IsLocalSystem = FALSE;
+    BOOL HasServiceSid = FALSE;
+    HANDLE ProcessToken = 0, ImpersonationToken = 0;
+    DWORD SessionId, Size;
+    union
+    {
+        TOKEN_USER V;
+        UINT8 B[128];
+    } UserInfoBuf;
+    PTOKEN_USER UserInfo = &UserInfoBuf.V;
+
+    LocalSystemSid = FspWksidGet(WinLocalSystemSid);
+    ServiceSid = FspWksidGet(WinServiceSid);
+    if (0 == LocalSystemSid || 0 == ServiceSid)
+    {
+        Result = STATUS_INSUFFICIENT_RESOURCES;
+        goto exit;
+    }
+
+    if (0 == Token)
+    {
+        if (!OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY | TOKEN_DUPLICATE, &ProcessToken) ||
+            !DuplicateToken(ProcessToken, SecurityImpersonation, &ImpersonationToken))
+        {
+            Result = FspNtStatusFromWin32(GetLastError());
+            goto exit;
+        }
+
+        Token = ImpersonationToken;
+    }
+
+    if (!GetTokenInformation(Token, TokenSessionId, &SessionId, sizeof SessionId, &Size))
+    {
+        Result = FspNtStatusFromWin32(GetLastError());
+        goto exit;
+    }
+
+    if (0 != SessionId)
+    {
+        Result = STATUS_ACCESS_DENIED;
+        goto exit;
+    }
+
+    if (!GetTokenInformation(Token, TokenUser, UserInfo, sizeof UserInfoBuf, &Size))
+    {
+        if (ERROR_INSUFFICIENT_BUFFER != GetLastError())
+        {
+            Result = FspNtStatusFromWin32(GetLastError());
+            goto exit;
+        }
+
+        UserInfo = MemAlloc(Size);
+        if (0 == UserInfo)
+        {
+            Result = STATUS_INSUFFICIENT_RESOURCES;
+            goto exit;
+        }
+
+        if (!GetTokenInformation(Token, TokenUser, UserInfo, Size, &Size))
+        {
+            Result = FspNtStatusFromWin32(GetLastError());
+            goto exit;
+        }
+    }
+
+    IsLocalSystem = EqualSid(LocalSystemSid, UserInfo->User.Sid);
+    if (IsLocalSystem)
+    {
+        Result = STATUS_SUCCESS;
+        goto exit;
+    }
+
+    if (!CheckTokenMembership(Token, ServiceSid, &HasServiceSid))
+    {
+        Result = FspNtStatusFromWin32(GetLastError());
+        goto exit;
+    }
+
+    Result = HasServiceSid ? STATUS_SUCCESS : STATUS_ACCESS_DENIED;
+
+exit:
+    if (0 != PIsLocalSystem)
+        *PIsLocalSystem = NT_SUCCESS(Result) ? IsLocalSystem : FALSE;
+
+    if (UserInfo != &UserInfoBuf.V)
+        MemFree(UserInfo);
+
+    if (0 != ImpersonationToken)
+        CloseHandle(ImpersonationToken);
+
+    if (0 != ProcessToken)
+        CloseHandle(ProcessToken);
+
+    return Result;
+}
+
 FSP_API VOID FspServiceLog(ULONG Type, PWSTR Format, ...)
 {
     va_list ap;

src/dll/util.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/util.c
  *
- * @copyright 2015-2017 Bill Zissimopoulos
+ * @copyright 2015-2018 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.
@@ -97,26 +97,16 @@ FSP_API NTSTATUS FspCallNamedPipeSecurely(PWSTR PipeName,
     {
         PSECURITY_DESCRIPTOR SecurityDescriptor = 0;
         PSID OwnerSid, WellKnownSid = 0;
-        DWORD SidSize, LastError;
+        DWORD LastError;
 
         /* if it is a small number treat it like a well known SID */
         if (1024 > (INT_PTR)Sid)
         {
-            SidSize = SECURITY_MAX_SID_SIZE;
-            WellKnownSid = MemAlloc(SidSize);
+            WellKnownSid = FspWksidNew((INT_PTR)Sid, &Result);
             if (0 == WellKnownSid)
-            {
-                Result = STATUS_INSUFFICIENT_RESOURCES;
                 goto sid_exit;
         }
 
-            if (!CreateWellKnownSid((INT_PTR)Sid, 0, WellKnownSid, &SidSize))
-            {
-                Result = FspNtStatusFromWin32(GetLastError());
-                goto sid_exit;
-            }
-        }
-
         LastError = GetSecurityInfo(Pipe, SE_FILE_OBJECT,
             OWNER_SECURITY_INFORMATION, &OwnerSid, 0, 0, 0, &SecurityDescriptor);
         if (0 != LastError)
@@ -163,3 +153,49 @@ exit:
 
     return Result;
 }
+
+FSP_API NTSTATUS FspVersion(PUINT32 PVersion)
+{
+    static UINT32 Version;
+
+    if (0 == Version)
+    {
+        /*
+         * This check is not thread-safe, but that should be ok.
+         * Two threads competing to read the version will read
+         * the same value from the Version resource.
+         */
+        *PVersion = 0;
+
+        extern HINSTANCE DllInstance;
+        WCHAR ModuleFileName[MAX_PATH];
+        PVOID VersionInfo;
+        DWORD Size;
+        VS_FIXEDFILEINFO *FixedFileInfo = 0;
+
+        if (0 != GetModuleFileNameW(DllInstance, ModuleFileName, MAX_PATH))
+        {
+            Size = GetFileVersionInfoSizeW(ModuleFileName, &Size/*dummy*/);
+            if (0 < Size)
+            {
+                VersionInfo = MemAlloc(Size);
+                if (0 != VersionInfo &&
+                    GetFileVersionInfoW(ModuleFileName, 0, Size, VersionInfo) &&
+                    VerQueryValueW(VersionInfo, L"\\", &FixedFileInfo, &Size))
+                {
+                    /* 32-bit store should be atomic! */
+                    Version = FixedFileInfo->dwFileVersionMS;
+                }
+
+                MemFree(VersionInfo);
+            }
+        }
+
+        if (0 == FixedFileInfo)
+            return STATUS_UNSUCCESSFUL;
+    }
+
+    *PVersion = Version;
+
+    return STATUS_SUCCESS;
+}

src/dll/wksid.c

@@ -0,0 +1,108 @@
+/**
+ * @file dll/wksid.c
+ *
+ * @copyright 2015-2018 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 file in
+ * accordance with the commercial license agreement provided with the
+ * software.
+ */
+
+#include <dll/library.h>
+
+static INIT_ONCE FspWksidInitOnce = INIT_ONCE_STATIC_INIT;
+static PSID FspWksidWorld;
+static PSID FspWksidAuthenticatedUser;
+static PSID FspWksidLocalSystem;
+static PSID FspWksidService;
+
+static BOOL WINAPI FspWksidInitialize(
+    PINIT_ONCE InitOnce, PVOID Parameter, PVOID *Context)
+{
+    FspWksidWorld = FspWksidNew(WinWorldSid, 0);
+    FspWksidAuthenticatedUser = FspWksidNew(WinAuthenticatedUserSid, 0);
+    FspWksidLocalSystem = FspWksidNew(WinLocalSystemSid, 0);
+    FspWksidService = FspWksidNew(WinServiceSid, 0);
+
+    //DEBUGLOGSID("FspWksidWorld=%s", FspWksidWorld);
+    //DEBUGLOGSID("FspWksidAuthenticatedUser=%s", FspWksidAuthenticatedUser);
+    //DEBUGLOGSID("FspWksidLocalSystem=%s", FspWksidLocalSystem);
+    //DEBUGLOGSID("FspWksidService=%s", FspWksidService);
+
+    return TRUE;
+}
+
+VOID FspWksidFinalize(BOOLEAN Dynamic)
+{
+    /*
+     * This function is called during DLL_PROCESS_DETACH. We must therefore keep
+     * finalization tasks to a minimum.
+     *
+     * We must deregister our event source (if any). We only do so if the library
+     * is being explicitly unloaded (rather than the process exiting).
+     */
+
+    if (Dynamic)
+    {
+        MemFree(FspWksidWorld); FspWksidWorld = 0;
+        MemFree(FspWksidAuthenticatedUser); FspWksidAuthenticatedUser = 0;
+        MemFree(FspWksidLocalSystem); FspWksidLocalSystem = 0;
+        MemFree(FspWksidService); FspWksidService = 0;
+    }
+}
+
+PSID FspWksidNew(WELL_KNOWN_SID_TYPE WellKnownSidType, PNTSTATUS PResult)
+{
+    NTSTATUS Result;
+    PSID Sid;
+    DWORD Size;
+
+    Size = SECURITY_MAX_SID_SIZE;
+    Sid = MemAlloc(Size);
+    if (0 == Sid)
+    {
+        Result = STATUS_INSUFFICIENT_RESOURCES;
+        goto exit;
+    }
+
+    if (!CreateWellKnownSid(WellKnownSidType, 0, Sid, &Size))
+    {
+        Result = FspNtStatusFromWin32(GetLastError());
+        MemFree(Sid); Sid = 0;
+        goto exit;
+    }
+
+    Result = STATUS_SUCCESS;
+
+exit:
+    if (0 != PResult)
+        *PResult = Result;
+
+    return Sid;
+}
+
+PSID FspWksidGet(WELL_KNOWN_SID_TYPE WellKnownSidType)
+{
+    InitOnceExecuteOnce(&FspWksidInitOnce, FspWksidInitialize, 0, 0);
+
+    switch (WellKnownSidType)
+    {
+    case WinWorldSid:
+        return FspWksidWorld;
+    case WinAuthenticatedUserSid:
+        return FspWksidAuthenticatedUser;
+    case WinLocalSystemSid:
+        return FspWksidLocalSystem;
+    case WinServiceSid:
+        return FspWksidService;
+    default:
+        return 0;
+    }
+}