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package fusefrontend
import (
"context"
"syscall"
"github.com/hanwen/go-fuse/v2/fs"
"github.com/hanwen/go-fuse/v2/fuse"
"github.com/rfjakob/gocryptfs/v2/internal/syscallcompat"
"github.com/rfjakob/gocryptfs/v2/internal/tlog"
)
func (f *File) Setattr(ctx context.Context, in *fuse.SetAttrIn, out *fuse.AttrOut) (errno syscall.Errno) {
errno = f.setAttr(ctx, in)
if errno != 0 {
return errno
}
return f.Getattr(ctx, out)
}
func (f *File) setAttr(ctx context.Context, in *fuse.SetAttrIn) (errno syscall.Errno) {
f.fdLock.RLock()
defer f.fdLock.RUnlock()
if f.released {
tlog.Warn.Printf("ino%d fh%d: Truncate on released file", f.qIno.Ino, f.intFd())
return syscall.EBADF
}
f.fileTableEntry.ContentLock.Lock()
defer f.fileTableEntry.ContentLock.Unlock()
// fchmod(2)
if mode, ok := in.GetMode(); ok {
errno = fs.ToErrno(syscall.Fchmod(f.intFd(), mode))
if errno != 0 {
return errno
}
}
// fchown(2)
uid32, uOk := in.GetUID()
gid32, gOk := in.GetGID()
if uOk || gOk {
uid := -1
gid := -1
if uOk {
uid = int(uid32)
}
if gOk {
gid = int(gid32)
}
errno = fs.ToErrno(syscall.Fchown(f.intFd(), uid, gid))
if errno != 0 {
return errno
}
}
// utimens(2)
mtime, mok := in.GetMTime()
atime, aok := in.GetATime()
if mok || aok {
ap := &atime
mp := &mtime
if !aok {
ap = nil
}
if !mok {
mp = nil
}
errno = fs.ToErrno(syscallcompat.FutimesNano(f.intFd(), ap, mp))
if errno != 0 {
return errno
}
}
// truncate(2)
if sz, ok := in.GetSize(); ok {
errno = syscall.Errno(f.truncate(sz))
if errno != 0 {
return errno
}
}
return 0
}
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