func addDirectory(dirent, oldDirent *filesystem.DirectoryEntry,
fileSystem, oldFS *FileSystem,
directoryPathName string, stat *syscall.Stat_t) error {
myPathName := path.Join(directoryPathName, dirent.Name)
if stat.Ino == fileSystem.inodeNumber {
return errors.New("Recursive directory: " + myPathName)
}
if _, ok := fileSystem.InodeTable[stat.Ino]; ok {
return errors.New("Hardlinked directory: " + myPathName)
}
inode := new(filesystem.DirectoryInode)
dirent.SetInode(inode)
fileSystem.InodeTable[stat.Ino] = inode
inode.Mode = filesystem.FileMode(stat.Mode)
inode.Uid = stat.Uid
inode.Gid = stat.Gid
var oldInode *filesystem.DirectoryInode
if oldDirent != nil {
if oi, ok := oldDirent.Inode().(*filesystem.DirectoryInode); ok {
oldInode = oi
}
}
err, copied := scanDirectory(inode, oldInode, fileSystem, oldFS, myPathName)
if err != nil {
return err
}
if copied && filesystem.CompareDirectoriesMetadata(inode, oldInode, nil) {
dirent.SetInode(oldInode)
fileSystem.InodeTable[stat.Ino] = oldInode
}
fileSystem.DirectoryCount++
return nil
}
func makeDirectory(request *subproto.UpdateRequest,
requiredInode *filesystem.DirectoryInode, pathName string, create bool) {
var newInode subproto.Inode
newInode.Name = pathName
var newDirectoryInode filesystem.DirectoryInode
newDirectoryInode.Mode = requiredInode.Mode
newDirectoryInode.Uid = requiredInode.Uid
newDirectoryInode.Gid = requiredInode.Gid
newInode.GenericInode = &newDirectoryInode
if create {
request.DirectoriesToMake = append(request.DirectoriesToMake, newInode)
} else {
request.InodesToChange = append(request.InodesToChange, newInode)
}
}
func (decoderData *decoderData) addDirectory(header *tar.Header,
parent *filesystem.DirectoryInode, name string) error {
var newInode filesystem.DirectoryInode
newInode.Mode = filesystem.FileMode((header.Mode & ^syscall.S_IFMT) |
syscall.S_IFDIR)
newInode.Uid = uint32(header.Uid)
newInode.Gid = uint32(header.Gid)
if header.Name == "/" {
*decoderData.directoryTable[header.Name] = newInode
return nil
}
decoderData.addEntry(parent, header.Name, name, &newInode)
decoderData.directoryTable[header.Name] = &newInode
return nil
}