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package fusefrontend
import (
"fmt"
"syscall"
"golang.org/x/sys/unix"
"github.com/hanwen/go-fuse/v2/fs"
"github.com/rfjakob/gocryptfs/internal/syscallcompat"
)
func filterXattrSetFlags(flags int) int {
return flags
}
func (n *Node) getXAttr(cAttr string) (out []byte, errno syscall.Errno) {
dirfd, cName, errno := n.prepareAtSyscall("")
if errno != 0 {
return
}
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, fs.ToErrno(err)
}
return cData, 0
}
func (n *Node) setXAttr(cAttr string, cData []byte, flags uint32) (errno syscall.Errno) {
dirfd, cName, errno := n.prepareAtSyscall("")
if errno != 0 {
return
}
defer syscall.Close(dirfd)
procPath := fmt.Sprintf("/proc/self/fd/%d/%s", dirfd, cName)
return fs.ToErrno(unix.Lsetxattr(procPath, cAttr, cData, int(flags)))
}
func (n *Node) removeXAttr(cAttr string) (errno syscall.Errno) {
dirfd, cName, errno := n.prepareAtSyscall("")
if errno != 0 {
return
}
defer syscall.Close(dirfd)
procPath := fmt.Sprintf("/proc/self/fd/%d/%s", dirfd, cName)
return fs.ToErrno(unix.Lremovexattr(procPath, cAttr))
}
func (n *Node) listXAttr() (out []string, errno syscall.Errno) {
dirfd, cName, errno := n.prepareAtSyscall("")
if errno != 0 {
return
}
defer syscall.Close(dirfd)
procPath := fmt.Sprintf("/proc/self/fd/%d/%s", dirfd, cName)
cNames, err := syscallcompat.Llistxattr(procPath)
if err != nil {
return nil, fs.ToErrno(err)
}
return cNames, 0
}
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