Exemplo n.º 1
0
 def __init__(self, file_name, uid=0):
     self._file = open(file_name, 'rb+')
     self._superblock = SuperBlock.read(self._file)
     self._fat = FAT.read(self._superblock.cluster_num,
                          self._superblock.fat_offset, self._file,
                          self._superblock)
     
     self._inode_map = InodeMap.read(self._superblock.cluster_num,
                                     self._superblock.inode_map_offset,
                                     self._file)
     self._root = Root(self._superblock, self._fat, self._file)
     self._uid = uid
Exemplo n.º 2
0
    def __init__(self, file_name, uid=0):
        self._file = open(file_name, 'rb+')
        self._superblock = SuperBlock.read(self._file)
        self._fat = FAT.read(self._superblock.cluster_num,
                             self._superblock.fat_offset, self._file,
                             self._superblock)

        self._inode_map = InodeMap.read(self._superblock.cluster_num,
                                        self._superblock.inode_map_offset,
                                        self._file)
        self._root = Root(self._superblock, self._fat, self._file)
        self._uid = uid
Exemplo n.º 3
0
 def format(file_name, password='******', size=50 * 1024 * 1024):
     file = open(file_name, 'wb')
     
     file.seek(size - 1)
     file.write(b'\0')
     
     superblock = SuperBlock.default(size)
     
     file.seek(superblock.inode_array_offset)
     inode_table = [Inode(id) for id in range(superblock.cluster_num)]
     for inode in inode_table:
         file.write(inode.pack())
     
     cluster_size = superblock.cluster_size
     offset = cluster_size - file.tell() % cluster_size
     superblock.first_cluster_offset = file.tell() + offset
     superblock.free_cluster_num = (
         superblock.cluster_num - superblock.first_cluster_offset //
         cluster_size)
     
     fat = FAT.empty(superblock.free_cluster_num, superblock)
     
     inode_map = InodeMap.empty(superblock.free_cluster_num)
     
     Root.write(superblock, fat, inode_map, file)
     
     superblock.write(file)
     fat.write(superblock.fat_offset, file)
     inode_map.write(superblock.inode_map_offset, file)
     
     file.close()
     
     fs = FileSystem(file_name, 0)
     fs.create('users')
     hash = bcrypt.hashpw(password.encode(), bcrypt.gensalt()).decode()
     fs.write('users', '0 admin %s' % hash)
Exemplo n.º 4
0
    def format(file_name, password='******', size=50 * 1024 * 1024):
        file = open(file_name, 'wb')

        file.seek(size - 1)
        file.write(b'\0')

        superblock = SuperBlock.default(size)

        file.seek(superblock.inode_array_offset)
        inode_table = [Inode(id) for id in range(superblock.cluster_num)]
        for inode in inode_table:
            file.write(inode.pack())

        cluster_size = superblock.cluster_size
        offset = cluster_size - file.tell() % cluster_size
        superblock.first_cluster_offset = file.tell() + offset
        superblock.free_cluster_num = (
            superblock.cluster_num -
            superblock.first_cluster_offset // cluster_size)

        fat = FAT.empty(superblock.free_cluster_num, superblock)

        inode_map = InodeMap.empty(superblock.free_cluster_num)

        Root.write(superblock, fat, inode_map, file)

        superblock.write(file)
        fat.write(superblock.fat_offset, file)
        inode_map.write(superblock.inode_map_offset, file)

        file.close()

        fs = FileSystem(file_name, 0)
        fs.create('users')
        hash = bcrypt.hashpw(password.encode(), bcrypt.gensalt()).decode()
        fs.write('users', '0 admin %s' % hash)