1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
// +build linux
// Package fusefrontend interfaces directly with the go-fuse library.
package fusefrontend
import (
"fmt"
"syscall"
"golang.org/x/sys/unix"
"github.com/hanwen/go-fuse/v2/fuse"
"github.com/rfjakob/gocryptfs/internal/syscallcompat"
)
func (fs *FS) getXAttr(relPath string, cAttr string, context *fuse.Context) ([]byte, fuse.Status) {
dirfd, cName, err := fs.openBackingDir(relPath)
if err != nil {
return nil, fuse.ToStatus(err)
}
defer syscall.Close(dirfd)
procPath := fmt.Sprintf("/proc/self/fd/%d/%s", dirfd, cName)
cData, err := syscallcompat.Lgetxattr(procPath, cAttr)
if err != nil {
return nil, fuse.ToStatus(err)
}
return cData, fuse.OK
}
func (fs *FS) setXAttr(relPath string, cAttr string, cData []byte, flags int, context *fuse.Context) fuse.Status {
dirfd, cName, err := fs.openBackingDir(relPath)
if err != nil {
return fuse.ToStatus(err)
}
defer syscall.Close(dirfd)
procPath := fmt.Sprintf("/proc/self/fd/%d/%s", dirfd, cName)
err = unix.Lsetxattr(procPath, cAttr, cData, flags)
return fuse.ToStatus(err)
}
func (fs *FS) removeXAttr(relPath string, cAttr string, context *fuse.Context) fuse.Status {
dirfd, cName, err := fs.openBackingDir(relPath)
if err != nil {
return fuse.ToStatus(err)
}
defer syscall.Close(dirfd)
procPath := fmt.Sprintf("/proc/self/fd/%d/%s", dirfd, cName)
err = unix.Lremovexattr(procPath, cAttr)
return fuse.ToStatus(err)
}
func (fs *FS) listXAttr(relPath string, context *fuse.Context) ([]string, fuse.Status) {
dirfd, cName, err := fs.openBackingDir(relPath)
if err != nil {
return nil, fuse.ToStatus(err)
}
defer syscall.Close(dirfd)
procPath := fmt.Sprintf("/proc/self/fd/%d/%s", dirfd, cName)
cNames, err := syscallcompat.Llistxattr(procPath)
if err != nil {
return nil, fuse.ToStatus(err)
}
return cNames, fuse.OK
}
|
