tst: passthrough-fuse: BSD flags support

tst/passthrough-fuse/passthrough-fuse.c

@@ -212,6 +212,10 @@ static void *ptfs_init(struct fuse_conn_info *conn)
     conn->want |= (conn->capable & FSP_FUSE_CAP_READDIR_PLUS);
 #endif
 
+#if defined(FSP_FUSE_USE_STAT_EX) && defined(FSP_FUSE_CAP_STAT_EX)
+    conn->want |= (conn->capable & FSP_FUSE_CAP_STAT_EX);
+#endif
+
 #if defined(FSP_FUSE_CAP_CASE_INSENSITIVE)
     conn->want |= (conn->capable & FSP_FUSE_CAP_CASE_INSENSITIVE);
 #endif
@@ -242,43 +246,42 @@ static int ptfs_fgetattr(const char *path, struct fuse_stat *stbuf, struct fuse_
     return -1 != fstat(fd, stbuf) ? 0 : -errno;
 }
 
+#if defined(FSP_FUSE_USE_STAT_EX)
+static int ptfs_chflags(const char *path, uint32_t flags)
+{
+    ptfs_impl_fullpath(path);
+
+    return -1 != lchflags(path, flags) ? 0 : -errno;
+}
+#endif
+
 static struct fuse_operations ptfs_ops =
 {
-    ptfs_getattr,
+    .getattr = ptfs_getattr,
-    0, //getdir
+    .mkdir = ptfs_mkdir,
-    0, //readlink
+    .unlink = ptfs_unlink,
-    0, //mknod
+    .rmdir = ptfs_rmdir,
-    ptfs_mkdir,
+    .rename = ptfs_rename,
-    ptfs_unlink,
+    .chmod = ptfs_chmod,
-    ptfs_rmdir,
+    .chown = ptfs_chown,
-    0, //symlink
+    .truncate = ptfs_truncate,
-    ptfs_rename,
+    .utime = ptfs_utime,
-    0, //link
+    .open = ptfs_open,
-    ptfs_chmod,
+    .read = ptfs_read,
-    ptfs_chown,
+    .write = ptfs_write,
-    ptfs_truncate,
+    .statfs = ptfs_statfs,
-    ptfs_utime,
+    .release = ptfs_release,
-    ptfs_open,
+    .fsync = ptfs_fsync,
-    ptfs_read,
+    .opendir = ptfs_opendir,
-    ptfs_write,
+    .readdir = ptfs_readdir,
-    ptfs_statfs,
+    .releasedir = ptfs_releasedir,
-    0, //flush
+    .init = ptfs_init,
-    ptfs_release,
+    .create = ptfs_create,
-    ptfs_fsync,
+    .ftruncate = ptfs_ftruncate,
-    0, //setxattr
+    .fgetattr = ptfs_fgetattr,
-    0, //getxattr
+#if defined(FSP_FUSE_USE_STAT_EX)
-    0, //listxattr
+    .chflags = ptfs_chflags,
-    0, //removexattr
+#endif
-    ptfs_opendir,
-    ptfs_readdir,
-    ptfs_releasedir,
-    0, //fsyncdir
-    ptfs_init,
-    0, //destroy
-    0, //access
-    ptfs_create,
-    ptfs_ftruncate,
-    ptfs_fgetattr,
 };
 
 static void usage(void)

tst/passthrough-fuse/passthrough-fuse.vcxproj

@@ -99,7 +99,7 @@
       </PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>FSP_FUSE_USE_STAT_EX;WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
       <AdditionalIncludeDirectories>$(MSBuildProgramFiles32)\WinFsp\inc\fuse;$(MSBuildProgramFiles32)\WinFsp\inc</AdditionalIncludeDirectories>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
@@ -118,7 +118,7 @@
       </PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>FSP_FUSE_USE_STAT_EX;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
       <AdditionalIncludeDirectories>$(MSBuildProgramFiles32)\WinFsp\inc\fuse;$(MSBuildProgramFiles32)\WinFsp\inc</AdditionalIncludeDirectories>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
@@ -139,7 +139,7 @@
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>FSP_FUSE_USE_STAT_EX;WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
       <AdditionalIncludeDirectories>$(MSBuildProgramFiles32)\WinFsp\inc\fuse;$(MSBuildProgramFiles32)\WinFsp\inc</AdditionalIncludeDirectories>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
@@ -162,7 +162,7 @@
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>FSP_FUSE_USE_STAT_EX;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
       <AdditionalIncludeDirectories>$(MSBuildProgramFiles32)\WinFsp\inc\fuse;$(MSBuildProgramFiles32)\WinFsp\inc</AdditionalIncludeDirectories>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>

tst/passthrough-fuse/winposix.c

@@ -1,5 +1,5 @@
 /**
- * @file passthrough-fuse.c
+ * @file winposix.c
  *
  * @copyright 2015-2017 Bill Zissimopoulos
  */
@@ -36,6 +36,40 @@ struct _DIR
     char path[];
 };
 
+#if defined(FSP_FUSE_USE_STAT_EX)
+static inline uint32_t 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 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;
+}
+#endif
+
 static int maperror(int winerrno);
 
 static inline void *error0(void)
@@ -173,6 +207,9 @@ int fstat(int fd, struct fuse_stat *stbuf)
     stbuf->st_ctim.tv_nsec = LastWriteTime % 10000000 * 100;
     stbuf->st_birthtim.tv_sec = CreationTime / 10000000;
     stbuf->st_birthtim.tv_nsec = CreationTime % 10000000 * 100;
+#if defined(FSP_FUSE_USE_STAT_EX)
+    stbuf->st_flags = MapFileAttributesToFlags(FileInfo.dwFileAttributes);
+#endif
 
     return 0;
 }
@@ -272,6 +309,21 @@ int lchown(const char *path, fuse_uid_t uid, fuse_gid_t gid)
     return 0;
 }
 
+int lchflags(const char *path, uint32_t flags)
+{
+#if defined(FSP_FUSE_USE_STAT_EX)
+    UINT32 FileAttributes = MapFlagsToFileAttributes(flags);
+
+    if (0 == FileAttributes)
+        FileAttributes = FILE_ATTRIBUTE_NORMAL;
+
+    if (!SetFileAttributesA(path, FileAttributes))
+        return error();
+#endif
+
+    return 0;
+}
+
 int truncate(const char *path, fuse_off_t size)
 {
     HANDLE h = CreateFileA(path,
@@ -424,6 +476,9 @@ struct dirent *readdir(DIR *dirp)
     stbuf->st_ctim.tv_nsec = LastWriteTime % 10000000 * 100;
     stbuf->st_birthtim.tv_sec = CreationTime / 10000000;
     stbuf->st_birthtim.tv_nsec = CreationTime % 10000000 * 100;
+#if defined(FSP_FUSE_USE_STAT_EX)
+    stbuf->st_flags = MapFileAttributesToFlags(FindData.dwFileAttributes);
+#endif
 
     strcpy(dirp->de.d_name, FindData.cFileName);
 

tst/passthrough-fuse/winposix.h

@@ -50,6 +50,7 @@ int close(int fd);
 int lstat(const char *path, struct fuse_stat *stbuf);
 int chmod(const char *path, fuse_mode_t mode);
 int lchown(const char *path, fuse_uid_t uid, fuse_gid_t gid);
+int lchflags(const char *path, uint32_t flags);
 int truncate(const char *path, fuse_off_t size);
 int utime(const char *path, const struct fuse_utimbuf *timbuf);
 int unlink(const char *path);