69 lines
1.5 KiB
Go
69 lines
1.5 KiB
Go
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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/fs"
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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 (n *Node) getXAttr(cAttr string) (out []byte, errno syscall.Errno) {
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dirfd, cName, errno := n.prepareAtSyscall("")
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if errno != 0 {
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return
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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, fs.ToErrno(err)
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}
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return cData, 0
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}
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func (n *Node) setXAttr(cAttr string, cData []byte, flags uint32) (errno syscall.Errno) {
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dirfd, cName, errno := n.prepareAtSyscall("")
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if errno != 0 {
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return
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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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return fs.ToErrno(unix.Lsetxattr(procPath, cAttr, cData, int(flags)))
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}
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func (n *Node) removeXAttr(cAttr string) (errno syscall.Errno) {
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dirfd, cName, errno := n.prepareAtSyscall("")
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if errno != 0 {
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return
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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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return fs.ToErrno(unix.Lremovexattr(procPath, cAttr))
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}
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func (n *Node) listXAttr() (out []string, errno syscall.Errno) {
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dirfd, cName, errno := n.prepareAtSyscall("")
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if errno != 0 {
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return
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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, fs.ToErrno(err)
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}
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return cNames, 0
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}
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