func HeaderToFileInfo(out *fuse.Attr, h *tar.Header) {
out.Mode = uint32(h.Mode)
out.Size = uint64(h.Size)
out.Uid = uint32(h.Uid)
out.Gid = uint32(h.Gid)
out.SetTimes(&h.AccessTime, &h.ModTime, &h.ChangeTime)
}
func (dn *DirNode) GetAttr(
out *fuse.Attr,
file nodefs.File,
context *fuse.Context) (code fuse.Status) {
out.Mode = 0755 | syscall.S_IFDIR
out.Nlink = 2
out.Size = 1
out.Uid = dn.owner.Uid
out.Gid = dn.owner.Gid
out.SetTimes(&dn.time, &dn.time, &dn.time)
return fuse.OK
}
func (sn *StrNode) GetAttr(
out *fuse.Attr,
file nodefs.File,
context *fuse.Context) (code fuse.Status) {
out.Mode = 0444 | syscall.S_IFREG
owner := getDefaultOwner()
out.Uid = owner.Uid
out.Gid = owner.Gid
out.Nlink = 1
out.Size = uint64(len(sn.s))
return fuse.OK
}
// fileAttr constructs a generic file fuse.Attr with the given parameters.
func (kwfs KeywhizFs) fileAttr(size uint64, mode uint32) *fuse.Attr {
created := uint64(kwfs.StartTime.Unix())
attr := fuse.Attr{
Size: size,
Atime: created,
Mtime: created,
Ctime: created,
Mode: fuse.S_IFREG | mode,
}
attr.Uid = kwfs.Ownership.Uid
attr.Gid = kwfs.Ownership.Gid
return &attr
}
func (tn *ThreadNode) GetAttr(
out *fuse.Attr,
file nodefs.File,
context *fuse.Context) (code fuse.Status) {
out.Mode = 0755 | syscall.S_IFDIR
out.Nlink = 1
owner := getDefaultOwner()
out.Uid = owner.Uid
out.Gid = owner.Gid
out.Size = uint64(tn.thread.Size())
t := tn.thread.Time()
out.SetTimes(&t, &t, &t)
return fuse.OK
}
// directoryAttr constructs a generic directory fuse.Attr with the given parameters.
func (kwfs KeywhizFs) directoryAttr(subdirCount, mode uint32) *fuse.Attr {
// 4K is typically the minimum size of inode storage for a directory.
const directoryInodeSize = 4096
created := uint64(kwfs.StartTime.Unix())
attr := fuse.Attr{
Size: directoryInodeSize,
Atime: created,
Mtime: created,
Ctime: created,
Mode: fuse.S_IFDIR | mode,
Nlink: 2 + subdirCount, // '.', '..', and any other subdirectories
}
attr.Uid = kwfs.Ownership.Uid
attr.Gid = kwfs.Ownership.Gid
return &attr
}
func (gitfs *GitFs) getGitAttrByPath(repoPath string, path string) (*fuse.Attr, fuse.Status) {
repo, _, _, tree, err := gitfs.getMasterTreeFromRepo(repoPath)
if err != nil {
return nil, fuse.EPERM
}
repoInfo, err := os.Stat(repoPath)
if err != nil {
gitfs.logger.Debugf("Failed to Stat %s due to %s", repoPath, err)
return nil, fuse.ToStatus(err)
}
if path == "" {
attr := fuse.ToAttr(repoInfo)
attr.Mode &= ^uint32(0222)
attr.Nlink = 2 + gitfs.treeEntryCount(tree, repoPath)
return attr, fuse.OK
}
entry, err := tree.EntryByPath(path)
if err != nil {
gitfs.logger.Debugf("Cannot find path %s from tree %s of Git Repository %s due to %s", path, tree.Id().String(), repoPath, err)
return nil, fuse.ENOENT
}
gitfs.logger.Debugf("Found path %s from tree %s of Git Repository %s", path, tree.Id().String(), repoPath)
var attr fuse.Attr
attr.Mode = toFileMode(entry.Filemode)
if stat, ok := repoInfo.Sys().(*syscall.Stat_t); ok {
attr.Uid = stat.Uid
attr.Gid = stat.Gid
attr.Blksize = uint32(stat.Blksize)
attr.Rdev = uint32(stat.Rdev)
}
attr.Ino = crc64.Checksum(entry.Id[:], crc64.MakeTable(crc64.ECMA))
now := time.Now()
attr.SetTimes(&now, &now, &now)
switch entry.Type {
case libgit2.ObjectTree:
tree, err := repo.LookupTree(entry.Id)
if err != nil {
gitfs.logger.Errorf("Failed to find tree %s from Git Repository %s", entry.Id, repoPath)
return nil, fuse.EPERM
}
defer tree.Free()
gitfs.logger.Debugf("Found tree %s of Git Repository %s", tree.Id().String(), repoPath)
attr.Size = 4096
attr.Nlink = 2 + gitfs.treeEntryCount(tree, repoPath)
case libgit2.ObjectBlob:
blob, err := repo.LookupBlob(entry.Id)
if err != nil {
gitfs.logger.Errorf("Failed to find blob %s from Git Repository %s", entry.Id, repoPath)
return nil, fuse.EPERM
}
defer blob.Free()
gitfs.logger.Debugf("Found blob %s of Git Repository %s", blob.Id().String(), repoPath)
attr.Nlink = 1
attr.Size = uint64(blob.Size())
default:
gitfs.logger.Debugf("GetAttr: Unsupported object type %s of %s from Git Repository %s", entry.Type.String(), entry.Id, repoPath)
return nil, fuse.ENOENT
}
attr.Blocks = (attr.Size + 511) / 512
return &attr, fuse.OK
}
