74 lines
1.9 KiB
Go
74 lines
1.9 KiB
Go
// +build linux
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// Package fusefrontend interfaces directly with the go-fuse library.
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package fusefrontend
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import (
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"fmt"
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"syscall"
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"golang.org/x/sys/unix"
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"github.com/hanwen/go-fuse/v2/fuse"
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"github.com/rfjakob/gocryptfs/internal/syscallcompat"
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)
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func filterXattrSetFlags(flags int) int {
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return flags
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}
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func (fs *FS) getXAttr(relPath string, cAttr string, context *fuse.Context) ([]byte, fuse.Status) {
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dirfd, cName, err := fs.openBackingDir(relPath)
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if err != nil {
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return nil, fuse.ToStatus(err)
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}
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defer syscall.Close(dirfd)
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procPath := fmt.Sprintf("/proc/self/fd/%d/%s", dirfd, cName)
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cData, err := syscallcompat.Lgetxattr(procPath, cAttr)
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if err != nil {
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return nil, fuse.ToStatus(err)
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}
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return cData, fuse.OK
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}
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func (fs *FS) setXAttr(relPath string, cAttr string, cData []byte, flags int, context *fuse.Context) fuse.Status {
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dirfd, cName, err := fs.openBackingDir(relPath)
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if err != nil {
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return fuse.ToStatus(err)
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}
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defer syscall.Close(dirfd)
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procPath := fmt.Sprintf("/proc/self/fd/%d/%s", dirfd, cName)
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err = unix.Lsetxattr(procPath, cAttr, cData, flags)
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return fuse.ToStatus(err)
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}
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func (fs *FS) removeXAttr(relPath string, cAttr string, context *fuse.Context) fuse.Status {
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dirfd, cName, err := fs.openBackingDir(relPath)
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if err != nil {
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return fuse.ToStatus(err)
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}
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defer syscall.Close(dirfd)
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procPath := fmt.Sprintf("/proc/self/fd/%d/%s", dirfd, cName)
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err = unix.Lremovexattr(procPath, cAttr)
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return fuse.ToStatus(err)
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}
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func (fs *FS) listXAttr(relPath string, context *fuse.Context) ([]string, fuse.Status) {
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dirfd, cName, err := fs.openBackingDir(relPath)
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if err != nil {
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return nil, fuse.ToStatus(err)
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}
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defer syscall.Close(dirfd)
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procPath := fmt.Sprintf("/proc/self/fd/%d/%s", dirfd, cName)
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cNames, err := syscallcompat.Llistxattr(procPath)
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if err != nil {
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return nil, fuse.ToStatus(err)
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}
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return cNames, fuse.OK
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}
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