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Diffstat (limited to 'internal/fusefrontend/fs.go')
-rw-r--r--internal/fusefrontend/fs.go82
1 files changed, 41 insertions, 41 deletions
diff --git a/internal/fusefrontend/fs.go b/internal/fusefrontend/fs.go
index 0e198d6..71d550e 100644
--- a/internal/fusefrontend/fs.go
+++ b/internal/fusefrontend/fs.go
@@ -129,7 +129,7 @@ func (fs *FS) Open(path string, flags uint32, context *fuse.Context) (fuseFile n
if err != nil {
return nil, fuse.ToStatus(err)
}
- fd, err := syscallcompat.Openat(int(dirfd.Fd()), cName, newFlags, 0)
+ fd, err := syscallcompat.Openat(dirfd, cName, newFlags, 0)
// Handle a few specific errors
if err != nil {
if err == syscall.EMFILE {
@@ -150,8 +150,8 @@ func (fs *FS) Open(path string, flags uint32, context *fuse.Context) (fuseFile n
// problem if the file permissions do not allow reading (i.e. 0200 permissions).
// This function works around that problem by chmod'ing the file, obtaining a fd,
// and chmod'ing it back.
-func (fs *FS) openWriteOnlyFile(dirfd *os.File, cName string, newFlags int) (fuseFile nodefs.File, status fuse.Status) {
- woFd, err := syscallcompat.Openat(int(dirfd.Fd()), cName, syscall.O_WRONLY|syscall.O_NOFOLLOW, 0)
+func (fs *FS) openWriteOnlyFile(dirfd int, cName string, newFlags int) (fuseFile nodefs.File, status fuse.Status) {
+ woFd, err := syscallcompat.Openat(dirfd, cName, syscall.O_WRONLY|syscall.O_NOFOLLOW, 0)
if err != nil {
return nil, fuse.ToStatus(err)
}
@@ -186,7 +186,7 @@ func (fs *FS) openWriteOnlyFile(dirfd *os.File, cName string, newFlags int) (fus
tlog.Warn.Printf("openWriteOnlyFile: reverting permissions failed: %v", err2)
}
}()
- rwFd, err := syscallcompat.Openat(int(dirfd.Fd()), cName, newFlags, 0)
+ rwFd, err := syscallcompat.Openat(dirfd, cName, newFlags, 0)
if err != nil {
return nil, fuse.ToStatus(err)
}
@@ -210,12 +210,12 @@ func (fs *FS) Create(path string, flags uint32, mode uint32, context *fuse.Conte
// Handle long file name
if !fs.args.PlaintextNames && nametransform.IsLongContent(cName) {
- var dirfd *os.File
- dirfd, err = os.Open(filepath.Dir(cPath))
+ var dirfd int
+ dirfd, err = syscall.Open(filepath.Dir(cPath), syscall.O_RDONLY|syscall.O_DIRECTORY, 0)
if err != nil {
return nil, fuse.ToStatus(err)
}
- defer dirfd.Close()
+ defer syscall.Close(dirfd)
// Create ".name"
err = fs.nameTransform.WriteLongName(dirfd, cName, path)
@@ -225,7 +225,7 @@ func (fs *FS) Create(path string, flags uint32, mode uint32, context *fuse.Conte
// Create content
var fdRaw int
- fdRaw, err = syscallcompat.Openat(int(dirfd.Fd()), cName, newFlags|os.O_CREATE|os.O_EXCL, mode)
+ fdRaw, err = syscallcompat.Openat(dirfd, cName, newFlags|os.O_CREATE|os.O_EXCL, mode)
if err != nil {
nametransform.DeleteLongName(dirfd, cName)
return nil, fuse.ToStatus(err)
@@ -257,10 +257,10 @@ func (fs *FS) Chmod(path string, mode uint32, context *fuse.Context) (code fuse.
if err != nil {
return fuse.ToStatus(err)
}
- defer dirfd.Close()
+ defer syscall.Close(dirfd)
// os.Chmod goes through the "syscallMode" translation function that messes
// up the suid and sgid bits. So use a syscall directly.
- err = syscallcompat.Fchmodat(int(dirfd.Fd()), cName, mode, unix.AT_SYMLINK_NOFOLLOW)
+ err = syscallcompat.Fchmodat(dirfd, cName, mode, unix.AT_SYMLINK_NOFOLLOW)
return fuse.ToStatus(err)
}
@@ -273,8 +273,8 @@ func (fs *FS) Chown(path string, uid uint32, gid uint32, context *fuse.Context)
if err != nil {
return fuse.ToStatus(err)
}
- defer dirfd.Close()
- code = fuse.ToStatus(syscallcompat.Fchownat(int(dirfd.Fd()), cName, int(uid), int(gid), unix.AT_SYMLINK_NOFOLLOW))
+ defer syscall.Close(dirfd)
+ code = fuse.ToStatus(syscallcompat.Fchownat(dirfd, cName, int(uid), int(gid), unix.AT_SYMLINK_NOFOLLOW))
if !code.Ok() {
return code
}
@@ -284,7 +284,7 @@ func (fs *FS) Chown(path string, uid uint32, gid uint32, context *fuse.Context)
// Instead of checking if "cName" is a directory, we just blindly
// execute the chown on "cName/gocryptfs.diriv" and ignore errors.
dirIVPath := filepath.Join(cName, nametransform.DirIVFilename)
- syscallcompat.Fchownat(int(dirfd.Fd()), dirIVPath, int(uid), int(gid), unix.AT_SYMLINK_NOFOLLOW)
+ syscallcompat.Fchownat(dirfd, dirIVPath, int(uid), int(gid), unix.AT_SYMLINK_NOFOLLOW)
}
return fuse.OK
}
@@ -298,7 +298,7 @@ func (fs *FS) Mknod(path string, mode uint32, dev uint32, context *fuse.Context)
if err != nil {
return fuse.ToStatus(err)
}
- defer dirfd.Close()
+ defer syscall.Close(dirfd)
// Create ".name" file to store long file name (except in PlaintextNames mode)
if !fs.args.PlaintextNames && nametransform.IsLongContent(cName) {
err = fs.nameTransform.WriteLongName(dirfd, cName, path)
@@ -306,20 +306,20 @@ func (fs *FS) Mknod(path string, mode uint32, dev uint32, context *fuse.Context)
return fuse.ToStatus(err)
}
// Create "gocryptfs.longfile." device node
- err = syscallcompat.Mknodat(int(dirfd.Fd()), cName, mode, int(dev))
+ err = syscallcompat.Mknodat(dirfd, cName, mode, int(dev))
if err != nil {
nametransform.DeleteLongName(dirfd, cName)
}
} else {
// Create regular device node
- err = syscallcompat.Mknodat(int(dirfd.Fd()), cName, mode, int(dev))
+ err = syscallcompat.Mknodat(dirfd, cName, mode, int(dev))
}
if err != nil {
return fuse.ToStatus(err)
}
// Set owner
if fs.args.PreserveOwner {
- err = syscallcompat.Fchownat(int(dirfd.Fd()), cName, int(context.Owner.Uid),
+ err = syscallcompat.Fchownat(dirfd, cName, int(context.Owner.Uid),
int(context.Owner.Gid), unix.AT_SYMLINK_NOFOLLOW)
if err != nil {
tlog.Warn.Printf("Mknod: Fchownat failed: %v", err)
@@ -416,9 +416,9 @@ func (fs *FS) Unlink(path string, context *fuse.Context) (code fuse.Status) {
if err != nil {
return fuse.ToStatus(err)
}
- defer dirfd.Close()
+ defer syscall.Close(dirfd)
// Delete content
- err = syscallcompat.Unlinkat(int(dirfd.Fd()), cName, 0)
+ err = syscallcompat.Unlinkat(dirfd, cName, 0)
if err != nil {
return fuse.ToStatus(err)
}
@@ -454,7 +454,7 @@ func (fs *FS) Symlink(target string, linkName string, context *fuse.Context) (co
if err != nil {
return fuse.ToStatus(err)
}
- defer dirfd.Close()
+ defer syscall.Close(dirfd)
cTarget := target
if !fs.args.PlaintextNames {
// Symlinks are encrypted like file contents (GCM) and base64-encoded
@@ -467,20 +467,20 @@ func (fs *FS) Symlink(target string, linkName string, context *fuse.Context) (co
return fuse.ToStatus(err)
}
// Create "gocryptfs.longfile." symlink
- err = syscallcompat.Symlinkat(cTarget, int(dirfd.Fd()), cName)
+ err = syscallcompat.Symlinkat(cTarget, dirfd, cName)
if err != nil {
nametransform.DeleteLongName(dirfd, cName)
}
} else {
// Create symlink
- err = syscallcompat.Symlinkat(cTarget, int(dirfd.Fd()), cName)
+ err = syscallcompat.Symlinkat(cTarget, dirfd, cName)
}
if err != nil {
return fuse.ToStatus(err)
}
// Set owner
if fs.args.PreserveOwner {
- err = syscallcompat.Fchownat(int(dirfd.Fd()), cName, int(context.Owner.Uid),
+ err = syscallcompat.Fchownat(dirfd, cName, int(context.Owner.Uid),
int(context.Owner.Gid), unix.AT_SYMLINK_NOFOLLOW)
if err != nil {
tlog.Warn.Printf("Symlink: Fchownat failed: %v", err)
@@ -510,32 +510,32 @@ func (fs *FS) Rename(oldPath string, newPath string, context *fuse.Context) (cod
return fuse.ToStatus(syscall.Rename(cOldPath, cNewPath))
}
// Handle long source file name
- var oldDirFd *os.File
- var finalOldDirFd int
+ oldDirFd := -1
+ finalOldDirFd := -1
var finalOldPath = cOldPath
cOldName := filepath.Base(cOldPath)
if nametransform.IsLongContent(cOldName) {
- oldDirFd, err = os.Open(filepath.Dir(cOldPath))
+ oldDirFd, err = syscall.Open(filepath.Dir(cOldPath), syscall.O_RDONLY|syscall.O_DIRECTORY, 0)
if err != nil {
return fuse.ToStatus(err)
}
- defer oldDirFd.Close()
- finalOldDirFd = int(oldDirFd.Fd())
+ defer syscall.Close(oldDirFd)
+ finalOldDirFd = oldDirFd
// Use relative path
finalOldPath = cOldName
}
// Handle long destination file name
- var newDirFd *os.File
- var finalNewDirFd int
- var finalNewPath = cNewPath
+ newDirFd := -1
+ finalNewDirFd := -1
+ finalNewPath := cNewPath
cNewName := filepath.Base(cNewPath)
if nametransform.IsLongContent(cNewName) {
- newDirFd, err = os.Open(filepath.Dir(cNewPath))
+ newDirFd, err = syscall.Open(filepath.Dir(cNewPath), syscall.O_RDONLY|syscall.O_DIRECTORY, 0)
if err != nil {
return fuse.ToStatus(err)
}
- defer newDirFd.Close()
- finalNewDirFd = int(newDirFd.Fd())
+ defer syscall.Close(newDirFd)
+ finalNewDirFd = newDirFd
// Use relative path
finalNewPath = cNewName
// Create destination .name file
@@ -545,7 +545,7 @@ func (fs *FS) Rename(oldPath string, newPath string, context *fuse.Context) (cod
// file anyway. We still set newDirFd to nil to ensure that we do not delete
// the file on error.
if err == syscall.EEXIST {
- newDirFd = nil
+ newDirFd = -1
} else if err != nil {
return fuse.ToStatus(err)
}
@@ -565,13 +565,13 @@ func (fs *FS) Rename(oldPath string, newPath string, context *fuse.Context) (cod
}
}
if err != nil {
- if newDirFd != nil {
+ if newDirFd >= 0 {
// Roll back .name creation
nametransform.DeleteLongName(newDirFd, cNewName)
}
return fuse.ToStatus(err)
}
- if oldDirFd != nil {
+ if oldDirFd >= 0 {
nametransform.DeleteLongName(oldDirFd, cOldName)
}
return fuse.OK
@@ -586,12 +586,12 @@ func (fs *FS) Link(oldPath string, newPath string, context *fuse.Context) (code
if err != nil {
return fuse.ToStatus(err)
}
- defer oldDirFd.Close()
+ defer syscall.Close(oldDirFd)
newDirFd, cNewName, err := fs.openBackingDir(newPath)
if err != nil {
return fuse.ToStatus(err)
}
- defer newDirFd.Close()
+ defer syscall.Close(newDirFd)
// Handle long file name (except in PlaintextNames mode)
if !fs.args.PlaintextNames && nametransform.IsLongContent(cNewName) {
err = fs.nameTransform.WriteLongName(newDirFd, cNewName, newPath)
@@ -599,13 +599,13 @@ func (fs *FS) Link(oldPath string, newPath string, context *fuse.Context) (code
return fuse.ToStatus(err)
}
// Create "gocryptfs.longfile." link
- err = syscallcompat.Linkat(int(oldDirFd.Fd()), cOldName, int(newDirFd.Fd()), cNewName, 0)
+ err = syscallcompat.Linkat(oldDirFd, cOldName, newDirFd, cNewName, 0)
if err != nil {
nametransform.DeleteLongName(newDirFd, cNewName)
}
} else {
// Create regular link
- err = syscallcompat.Linkat(int(oldDirFd.Fd()), cOldName, int(newDirFd.Fd()), cNewName, 0)
+ err = syscallcompat.Linkat(oldDirFd, cOldName, newDirFd, cNewName, 0)
}
return fuse.ToStatus(err)
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 03:03:09 +0000