shell bypass 403
o
^ b/ � @ sl d Z ddlZddlZddlZg d�ZG dd� de�Zddd�dd �Zdd
d �Zd d
� Z e
dkr4e � dS dS )z�Implementation of the UUencode and UUdecode functions.
encode(in_file, out_file [,name, mode], *, backtick=False)
decode(in_file [, out_file, mode, quiet])
� N)�Error�encode�decodec @ s e Zd ZdS )r N)�__name__�
__module__� __qualname__� r r �+/usr/local/python-3.10/lib/python3.10/uu.pyr ' s r F��backtickc C sx g }z�| dkr t jj} n/t| t�r;|du rtj�| �}|du r1zt�| �j }W n t
y0 Y nw t | d�} |� | � |dkrDt j
j}nt|t�rSt |d�}|� |� |du rYd}|du r_d}|�dd�}|�dd �}|�d
|d @ |f �d �� | �d
�}t|�dkr�|�tj||d�� | �d
�}t|�dks�|r�|�d� n|�d� W |D ]}|�� q�dS |D ]}|�� q�w )z
Uuencode file�-N�rb�wbi� �
z\n�
z\rz begin %o %s
i� �ascii�- r r
s `
end
s
end
)�sys�stdin�buffer�
isinstance�str�os�path�basename�stat�st_mode�AttributeError�open�append�stdout�replace�writer �read�len�binasciiZb2a_uu�close)�in_file�out_file�name�moder � opened_files�data�fr r r r * sR
�
�
�
�
�r c
C s g }| dkr t jj} nt| t�rt| d�} |�| � z� | �� }|s&td��|� d�s,q|�
dd�}t |�dkrQ|d dkrQz t |d
d � W qR t
yP Y nw q |d u rl|d �d
��d�}tj�|�rltd| ��|d u rwt |d
d �}|dkr�t jj}nt|t�r�t|d�}t�||� |}|�|� | �� }|r�|�d
�dkr�zt�|�} W n4 tjy� }
z'|d d d@ d d d } t�|d | � �} |s�t j�d|
� W Y d }
~
nd }
~
ww |�| � | �� }|r�|�d
�dks�|s�td��W |D ]} | �� q�d S |D ]} | �� �qw )zDecode uuencoded filer r
Tz'No valid begin line found in input files begin� � � r � � Ns
r z"Cannot overwrite existing file: %sr s end� �? � � z Warning: %s
zTruncated input file)r r r r r r r �readliner �
startswith�splitr$ �int�
ValueError�rstripr r r �existsr �chmod�stripr% Za2b_uu�stderrr" r& )
r' r( r* �quietr+ ZhdrZ hdrfields�fp�sr, �v�nbytesr- r r r r d sr
��
��
� �
� �r c C s2 ddl } | jdd�}|jddddd d
d � |jd d
ddd d
d � |�� \}}t|�dkr6|�d� t�d� tjj }tj
j }t|�dkrH|d }t|�dkrR|d }|j rw|j rpt
|t�rct|d�}n
ttjd d� t�d� t ||� dS |j r�t
|t�r�t|d�}n
ttjd d� t�d� t||� dS )z uuencode/uudecode main programr Nz'usage: %prog [-d] [-t] [input [output]])�usagez-dz--decoder zDecode (instead of encode)?F�
store_true)�dest�help�default�actionz-tz--text�textz2data is text, encoded format unix-compatible text?r/ z incorrect number of argumentsr1 r z: cannot do -t to stdoutr
z: cannot do -t from stdin)�optparseZ OptionParserZ
add_option�
parse_argsr$ �errorr �exitr r r r rL r r r �print�argvr )rM �parser�options�args�input�outputr r r �test� s6
rX �__main__)NN)NNF) �__doc__r% r r �__all__� Exceptionr r r rX r r r r r �<module> s
:C&
�