From b764917cd5c1b1d61b8ce08e7af0b29793fbbb80 Mon Sep 17 00:00:00 2001 From: Valient Gough Date: Sat, 1 Oct 2016 21:14:18 -0700 Subject: lint fixes --- internal/fusefrontend/fs.go | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) (limited to 'internal/fusefrontend/fs.go') diff --git a/internal/fusefrontend/fs.go b/internal/fusefrontend/fs.go index 62146a2..26a5b5e 100644 --- a/internal/fusefrontend/fs.go +++ b/internal/fusefrontend/fs.go @@ -22,6 +22,7 @@ import ( "github.com/rfjakob/gocryptfs/internal/tlog" ) +// FS implements the go-fuse virtual filesystem interface. type FS struct { pathfs.FileSystem // loopbackFileSystem, see go-fuse/fuse/pathfs/loopback.go args Args // Stores configuration arguments @@ -35,7 +36,9 @@ type FS struct { contentEnc *contentenc.ContentEnc } -// Encrypted FUSE overlay filesystem +var _ pathfs.FileSystem = &FS{} // Verify that interface is implemented. + +// NewFS returns a new encrypted FUSE overlay filesystem. func NewFS(args Args) *FS { cryptoCore := cryptocore.New(args.Masterkey, args.CryptoBackend, contentenc.DefaultIVBits) contentEnc := contentenc.New(cryptoCore, contentenc.DefaultBS) @@ -49,6 +52,7 @@ func NewFS(args Args) *FS { } } +// GetAttr implements pathfs.Filesystem. func (fs *FS) GetAttr(name string, context *fuse.Context) (*fuse.Attr, fuse.Status) { tlog.Debug.Printf("FS.GetAttr('%s')", name) if fs.isFiltered(name) { @@ -85,6 +89,7 @@ func (fs *FS) mangleOpenFlags(flags uint32) (newFlags int, writeOnly bool) { return newFlags, writeOnly } +// Open implements pathfs.Filesystem. func (fs *FS) Open(path string, flags uint32, context *fuse.Context) (fuseFile nodefs.File, status fuse.Status) { if fs.isFiltered(path) { return nil, fuse.EPERM @@ -104,6 +109,7 @@ func (fs *FS) Open(path string, flags uint32, context *fuse.Context) (fuseFile n return NewFile(f, writeOnly, fs.contentEnc) } +// Create implements pathfs.Filesystem. func (fs *FS) Create(path string, flags uint32, mode uint32, context *fuse.Context) (fuseFile nodefs.File, code fuse.Status) { if fs.isFiltered(path) { return nil, fuse.EPERM @@ -156,6 +162,7 @@ func (fs *FS) Create(path string, flags uint32, mode uint32, context *fuse.Conte return NewFile(fd, writeOnly, fs.contentEnc) } +// Chmod implements pathfs.Filesystem. func (fs *FS) Chmod(path string, mode uint32, context *fuse.Context) (code fuse.Status) { if fs.isFiltered(path) { return fuse.EPERM @@ -170,6 +177,7 @@ func (fs *FS) Chmod(path string, mode uint32, context *fuse.Context) (code fuse. return fuse.ToStatus(err) } +// Chown implements pathfs.Filesystem. func (fs *FS) Chown(path string, uid uint32, gid uint32, context *fuse.Context) (code fuse.Status) { if fs.isFiltered(path) { return fuse.EPERM @@ -181,6 +189,7 @@ func (fs *FS) Chown(path string, uid uint32, gid uint32, context *fuse.Context) return fuse.ToStatus(os.Lchown(cPath, int(uid), int(gid))) } +// Mknod implements pathfs.Filesystem. func (fs *FS) Mknod(path string, mode uint32, dev uint32, context *fuse.Context) (code fuse.Status) { if fs.isFiltered(path) { return fuse.EPERM @@ -217,6 +226,7 @@ func (fs *FS) Mknod(path string, mode uint32, dev uint32, context *fuse.Context) return fs.FileSystem.Mknod(cPath, mode, dev, context) } +// Truncate implements pathfs.Filesystem. // Support truncate(2) by opening the file and calling ftruncate(2) // While the glibc "truncate" wrapper seems to always use ftruncate, fsstress from // xfstests uses this a lot by calling "truncate64" directly. @@ -230,6 +240,7 @@ func (fs *FS) Truncate(path string, offset uint64, context *fuse.Context) (code return code } +// Utimens implements pathfs.Filesystem. func (fs *FS) Utimens(path string, a *time.Time, m *time.Time, context *fuse.Context) (code fuse.Status) { if fs.isFiltered(path) { return fuse.EPERM @@ -241,6 +252,7 @@ func (fs *FS) Utimens(path string, a *time.Time, m *time.Time, context *fuse.Con return fs.FileSystem.Utimens(cPath, a, m, context) } +// StatFs implements pathfs.Filesystem. func (fs *FS) StatFs(path string) *fuse.StatfsOut { if fs.isFiltered(path) { return nil @@ -252,6 +264,7 @@ func (fs *FS) StatFs(path string) *fuse.StatfsOut { return fs.FileSystem.StatFs(cPath) } +// Readlink implements pathfs.Filesystem. func (fs *FS) Readlink(path string, context *fuse.Context) (out string, status fuse.Status) { cPath, err := fs.getBackingPath(path) if err != nil { @@ -278,6 +291,7 @@ func (fs *FS) Readlink(path string, context *fuse.Context) (out string, status f return string(target), fuse.OK } +// Unlink implements pathfs.Filesystem. func (fs *FS) Unlink(path string, context *fuse.Context) (code fuse.Status) { if fs.isFiltered(path) { return fuse.EPERM @@ -312,6 +326,7 @@ func (fs *FS) Unlink(path string, context *fuse.Context) (code fuse.Status) { return fuse.ToStatus(err) } +// Symlink implements pathfs.Filesystem. func (fs *FS) Symlink(target string, linkName string, context *fuse.Context) (code fuse.Status) { tlog.Debug.Printf("Symlink(\"%s\", \"%s\")", target, linkName) if fs.isFiltered(linkName) { @@ -359,6 +374,7 @@ func (fs *FS) Symlink(target string, linkName string, context *fuse.Context) (co return fuse.ToStatus(err) } +// Rename implements pathfs.Filesystem. func (fs *FS) Rename(oldPath string, newPath string, context *fuse.Context) (code fuse.Status) { if fs.isFiltered(newPath) { return fuse.EPERM @@ -437,6 +453,7 @@ func (fs *FS) Rename(oldPath string, newPath string, context *fuse.Context) (cod return fuse.OK } +// Link implements pathfs.Filesystem. func (fs *FS) Link(oldPath string, newPath string, context *fuse.Context) (code fuse.Status) { if fs.isFiltered(newPath) { return fuse.EPERM @@ -474,6 +491,7 @@ func (fs *FS) Link(oldPath string, newPath string, context *fuse.Context) (code return fuse.ToStatus(os.Link(cOldPath, cNewPath)) } +// Access implements pathfs.Filesystem. func (fs *FS) Access(path string, mode uint32, context *fuse.Context) (code fuse.Status) { if fs.isFiltered(path) { return fuse.EPERM @@ -485,18 +503,22 @@ func (fs *FS) Access(path string, mode uint32, context *fuse.Context) (code fuse return fuse.ToStatus(syscall.Access(cPath, mode)) } +// GetXAttr implements pathfs.Filesystem. func (fs *FS) GetXAttr(name string, attr string, context *fuse.Context) ([]byte, fuse.Status) { return nil, fuse.ENOSYS } +// SetXAttr implements pathfs.Filesystem. func (fs *FS) SetXAttr(name string, attr string, data []byte, flags int, context *fuse.Context) fuse.Status { return fuse.ENOSYS } +// ListXAttr implements pathfs.Filesystem. func (fs *FS) ListXAttr(name string, context *fuse.Context) ([]string, fuse.Status) { return nil, fuse.ENOSYS } +// RemoveXAttr implements pathfs.Filesystem. func (fs *FS) RemoveXAttr(name string, attr string, context *fuse.Context) fuse.Status { return fuse.ENOSYS } -- cgit v1.2.3