69d88505fd
Our git version is v2+ for some time now, but go.mod still declared v1. Hopefully making both match makes https://pkg.go.dev/github.com/rfjakob/gocryptfs/v2 work. All the import paths have been fixed like this: find . -name \*.go | xargs sed -i s%github.com/rfjakob/gocryptfs/%github.com/rfjakob/gocryptfs/v2/%
108 lines
2.7 KiB
Go
108 lines
2.7 KiB
Go
package fusefrontend
|
|
|
|
import (
|
|
"syscall"
|
|
|
|
"golang.org/x/sys/unix"
|
|
|
|
"github.com/hanwen/go-fuse/v2/fs"
|
|
"github.com/hanwen/go-fuse/v2/fuse"
|
|
|
|
"github.com/rfjakob/gocryptfs/v2/internal/syscallcompat"
|
|
)
|
|
|
|
// On Darwin we have to unset XATTR_NOSECURITY 0x0008
|
|
func filterXattrSetFlags(flags int) int {
|
|
// See https://opensource.apple.com/source/xnu/xnu-1504.15.3/bsd/sys/xattr.h.auto.html
|
|
const XATTR_NOSECURITY = 0x0008
|
|
|
|
return flags &^ XATTR_NOSECURITY
|
|
}
|
|
|
|
func (n *Node) getXAttr(cAttr string) (out []byte, errno syscall.Errno) {
|
|
dirfd, cName, errno := n.prepareAtSyscallMyself()
|
|
if errno != 0 {
|
|
return
|
|
}
|
|
defer syscall.Close(dirfd)
|
|
|
|
// O_NONBLOCK to not block on FIFOs.
|
|
fd, err := syscallcompat.Openat(dirfd, cName, syscall.O_RDONLY|syscall.O_NONBLOCK, 0)
|
|
if err != nil {
|
|
return nil, fs.ToErrno(err)
|
|
}
|
|
defer syscall.Close(fd)
|
|
|
|
cData, err := syscallcompat.Fgetxattr(fd, cAttr)
|
|
if err != nil {
|
|
return nil, fs.ToErrno(err)
|
|
}
|
|
|
|
return cData, 0
|
|
}
|
|
|
|
func (n *Node) setXAttr(context *fuse.Context, cAttr string, cData []byte, flags uint32) (errno syscall.Errno) {
|
|
dirfd, cName, errno := n.prepareAtSyscallMyself()
|
|
if errno != 0 {
|
|
return
|
|
}
|
|
defer syscall.Close(dirfd)
|
|
|
|
// O_NONBLOCK to not block on FIFOs.
|
|
fd, err := syscallcompat.Openat(dirfd, cName, syscall.O_WRONLY|syscall.O_NONBLOCK, 0)
|
|
// Directories cannot be opened read-write. Retry.
|
|
if err == syscall.EISDIR {
|
|
fd, err = syscallcompat.Openat(dirfd, cName, syscall.O_RDONLY|syscall.O_DIRECTORY|syscall.O_NONBLOCK, 0)
|
|
}
|
|
if err != nil {
|
|
fs.ToErrno(err)
|
|
}
|
|
defer syscall.Close(fd)
|
|
|
|
err = unix.Fsetxattr(fd, cAttr, cData, int(flags))
|
|
return fs.ToErrno(err)
|
|
}
|
|
|
|
func (n *Node) removeXAttr(cAttr string) (errno syscall.Errno) {
|
|
dirfd, cName, errno := n.prepareAtSyscallMyself()
|
|
if errno != 0 {
|
|
return
|
|
}
|
|
defer syscall.Close(dirfd)
|
|
|
|
// O_NONBLOCK to not block on FIFOs.
|
|
fd, err := syscallcompat.Openat(dirfd, cName, syscall.O_WRONLY|syscall.O_NONBLOCK, 0)
|
|
// Directories cannot be opened read-write. Retry.
|
|
if err == syscall.EISDIR {
|
|
fd, err = syscallcompat.Openat(dirfd, cName, syscall.O_RDONLY|syscall.O_DIRECTORY|syscall.O_NONBLOCK, 0)
|
|
}
|
|
if err != nil {
|
|
return fs.ToErrno(err)
|
|
}
|
|
defer syscall.Close(fd)
|
|
|
|
err = unix.Fremovexattr(fd, cAttr)
|
|
return fs.ToErrno(err)
|
|
}
|
|
|
|
func (n *Node) listXAttr() (out []string, errno syscall.Errno) {
|
|
dirfd, cName, errno := n.prepareAtSyscallMyself()
|
|
if errno != 0 {
|
|
return
|
|
}
|
|
defer syscall.Close(dirfd)
|
|
|
|
// O_NONBLOCK to not block on FIFOs.
|
|
fd, err := syscallcompat.Openat(dirfd, cName, syscall.O_RDONLY|syscall.O_NONBLOCK, 0)
|
|
if err != nil {
|
|
return nil, fs.ToErrno(err)
|
|
}
|
|
defer syscall.Close(fd)
|
|
|
|
cNames, err := syscallcompat.Flistxattr(fd)
|
|
if err != nil {
|
|
return nil, fs.ToErrno(err)
|
|
}
|
|
return cNames, 0
|
|
}
|