shell bypass 403
o
^ bYU � @ s d dl Z d dlZd dlZd dlZd dlZd dlZd dlZd dlZg d�Zd\Z Z
Z Z Z
d\ZZdZdZdZdedddfd d
�Zd d � ZG d
d� d�ZG dd� de�ZG dd� dej�ZG dd� dej�Zefdd�dd�Z dd� Z dd� Z e d kre � dS dS ) � N)� BadGzipFile�GzipFile�open�compress�
decompress)� � � � � )r r r � � �rbc C s� d|v rd|v rt d|f ��n|d urt d��|d ur!t d��|d ur)t d��|�dd�}t| tttjf�r?t| ||�}nt| d�sIt| d �rQtd ||| �}nt d
��d|v rft
� |�}t
� ||||�S |S ) N�t�bzInvalid mode: %rz0Argument 'encoding' not supported in binary modez.Argument 'errors' not supported in binary modez/Argument 'newline' not supported in binary mode� �read�writez1filename must be a str or bytes object, or a file)
�
ValueError�replace�
isinstance�str�bytes�os�PathLiker �hasattr� TypeError�io�
text_encoding�
TextIOWrapper)�filename�mode�
compresslevel�encoding�errors�newlineZgz_mode� binary_file� r' �-/usr/local/python-3.10/lib/python3.10/gzip.pyr s* �
r c C s | � t�d|�� d S )Nz<L)r �struct�pack)�output�valuer' r' r( �write32uF s r- c @ s: e Zd Z d
dd�Zdd� Zd
dd�Zdd � Zd
d � Zd S )� _PaddedFile� c C s || _ t|�| _|| _d| _d S �Nr )�_buffer�len�_length�file�_read)�self�f�prependr' r' r( �__init__P s
z_PaddedFile.__init__c C sz | j d u r | j�|�S | j | | jkr%| j }| j |7 _ | j|| j � S | j }d | _ | j|d � | j�|| j | � S �N)r5 r4 r r3 r1 )r6 �sizer r' r' r( r V s
�z_PaddedFile.readc C s> | j d u r || _n | j t|�8 _ d S t| j�| _d| _ d S r0 )r5 r1 r2 r3 )r6 r8 r' r' r( r8 c s
z_PaddedFile.prependc C s d | _ d | _| j�|�S r: )r5 r1 r4 �seek)r6 Zoffr' r' r( r< l s z_PaddedFile.seekc C � dS �NTr' �r6 r' r' r( �seekableq � z_PaddedFile.seekableN)r/ )�__name__�
__module__� __qualname__r9 r r8 r< r@ r' r' r' r( r. K s
r. c @ s e Zd ZdS )r N)rB rC rD r' r' r' r( r u s r c @ s� e Zd Z dZddeddfdd�Zedd� �Zedd� �Zdd � Z d
d � Z
d d
� Z dd� Z d+dd�Z
d+dd�Zdd� Zedd� �Zdd� Zejfdd �Zd d � Zd d � Zd!d"� Zd#d$� Zd%d&� Zejfd'd(�Z d+d)d*�Z dS ),r Nc C sX |rd|v s d|v rt d�|���|r d|vr |d7 }|d u r+t�||p&d� }| _|d u r?t|dd�}t|ttf�s>d}nt �
|�}|}|d u rPt|dd�}|� d �rft | _
t|�}t�|�| _|| _n5|� d
�r�|d u rzd d l}|�d td
� t| _
| �|� t�|tjtj tj d �| _ || _ nt d�|���|| _ | j
tkr�| � |� d S d S )Nr �UzInvalid mode: {!r}r r �namer r! �r)�w�a�xr z�GzipFile was opened for writing, but this will change in future Python releases. Specify the mode argument for opening it for writing.r )!r �format�builtinsr � myfileobj�getattrr r r r �fspath�
startswith�READr! � _GzipReaderr �BufferedReaderr1 rF �warnings�warn�
FutureWarning�WRITE� _init_write�zlib� compressobj�DEFLATED� MAX_WBITS�
DEF_MEM_LEVELr � _write_mtime�fileobj�_write_gzip_header) r6 r r! r" r_ �mtimeZorigmode�rawrT r' r' r( r9 � sT ! �
�
�
�zGzipFile.__init__c C sB dd l }|�dtd� | jtkr | jdd � dkr | jd S | jS )Nr zuse the name attributer ����.gz)rT rU �DeprecationWarningr! rW rF )r6 rT r' r' r( r � s
zGzipFile.filenamec C s | j jjS r: )r1 rb � _last_mtimer? r' r' r( ra � s
zGzipFile.mtimec C s. t | j�}d|dd� d tt| �� d S )Nz<gzip r ���� �>)�reprr_ �hex�id)r6 �sr' r' r( �__repr__� s
$zGzipFile.__repr__c C s. || _ t�d�| _d| _g | _d| _d| _d S �Nr/ r )rF rY �crc32�crcr; Zwritebuf�bufsize�offset)r6 r r' r' r( rX � s
zGzipFile._init_writec C s | j �d� | j �d� z tj�| j�}t|t�s |�d�}|� d�r)|d d� }W n t
y5 d}Y nw d}|r<t }| j �t |��d�� | j
}|d u rRt�� }t| j t|�� |tkrad}n |tkrhd }nd
}| j �|� | j �d � |r�| j �|d
� d S d S ) N� �� zlatin-1s .gzrc r/ r � � � � �)r_ r r �path�basenamerF r r �encode�endswith�UnicodeEncodeError�FNAME�chrr^ �timer- �int�_COMPRESS_LEVEL_BEST�_COMPRESS_LEVEL_FAST)r6 r" Zfname�flagsra Zxflr' r' r( r` � s<
� � �zGzipFile._write_gzip_headerc C s� | � � | jtkrdd l}t|jd��| jd u r td��t|t t
f�r(t |�}nt |�}|j
}|dkrS| j�| j�|�� | j|7 _t�|| j�| _| j|7 _|S )Nr z$write() on read-only GzipFile objectz!write() on closed GzipFile object)�_check_not_closedr! rW �errno�OSError�EBADFr_ r r r � bytearrayr2 �
memoryview�nbytesr r r; rY rp rq rs )r6 �datar� �lengthr' r' r( r s
zGzipFile.writerg c C �2 | � � | jtkrdd l}t|jd��| j�|�S )Nr z$read() on write-only GzipFile object)r� r! rQ r� r� r� r1 r �r6 r; r� r' r' r( r ( �
z
GzipFile.readc C sB | � � | jtkrdd l}t|jd��|dk rtj}| j� |�S )Nr z%read1() on write-only GzipFile object)
r� r! rQ r� r� r� r �DEFAULT_BUFFER_SIZEr1 �read1r� r' r' r( r� / s
zGzipFile.read1c C r� )Nr z$peek() on write-only GzipFile object)r� r! rQ r� r� r� r1 �peek)r6 �nr� r' r' r( r� < r� z
GzipFile.peekc C s
| j d u S r: �r_ r? r' r' r( �closedC s
zGzipFile.closedc C s� | j }|d u r d S d | _ z7| jtkr)|�| j�� � t|| j� t|| jd@ � n
| jt kr3| j
� � W | j }|rBd | _ |� � d S d S | j }|rQd | _ |� � w w )N� �� )
r_ r! rW r r �flushr- rq r; rQ r1 �closerM )r6 r_ rM r' r' r( r� G s,
� ��
�zGzipFile.closec C s8 | � � | jtkr| j�| j�|�� | j�� d S d S r: )r� r! rW r_ r r r� )r6 Z zlib_moder' r' r( r� Z s
�zGzipFile.flushc C s | j �� S r: )r_ �filenor? r' r' r( r� a s
zGzipFile.filenoc C s$ | j tkr
td��| j�d� d S )NzCan't rewind in write moder )r! rQ r� r1 r< r? r' r' r( �rewindi s
zGzipFile.rewindc C �
| j tkS r: )r! rQ r? r' r' r( �readablep �
zGzipFile.readablec C r� r: )r! rW r? r' r' r( �writables r� zGzipFile.writablec C r= r> r' r? r' r' r( r@ v rA zGzipFile.seekablec C s� | j tkrC|tjkr|tjkr| j| }ntd��|| jk r"td��|| j }d}t|d �D ]}| � |� q/| � d|d � | jS | j t
krS| � � | j �
||�S | jS )NzSeek from end not supportedzNegative seek in write modes i rx )r! rW r �SEEK_SET�SEEK_CURrs r r� �ranger rQ r� r1 r< )r6 rs �whence�count�chunk�ir' r' r( r< y s"
�z
GzipFile.seekc C s | � � | j�|�S r: )r� r1 �readline)r6 r; r' r' r( r� � s zGzipFile.readline�rg ) rB rC rD rM r� r9 �propertyr ra rn rX r` r r r� r� r� r� rY � Z_SYNC_FLUSHr� r� r� r� r� r@ r r� r< r� r' r' r' r( r y s8
�Q
r c sZ e Zd Z� fdd�Zdd� Zdd� Zdd� Zdd
d �Zd d
� Zdd� Z � fdd�Z
� Z S )rR c s, t � jt|�tjtj d� d| _d | _d S )N)ZwbitsT)�superr9 r. rY �
decompressobjr\ � _new_memberrf )r6 �fp�� __class__r' r( r9 � s
�
z_GzipReader.__init__c C s t �d�| _d| _d S ro )rY rp �_crc� _stream_sizer? r' r' r( �
_init_read� s
z_GzipReader._init_readc C sR | j �|�}t|�|k r'| j �|t|� �}|s td��||7 }t|�|k s
|S )N�ACompressed file ended before the end-of-stream marker was reached)�_fpr r2 �EOFError)r6 r� r� r r' r' r( � _read_exact� s �z_GzipReader._read_exactc C s� | j �d�}|dkr dS |dkrtd| ��t�d| �d��\}}| _|dkr+td��|t@ r>t�d | �d��\}| �|� |t@ rQ | j �d �}|rO|d krPqQqC|t @ rd | j �d �}|rb|d krcqdqV|t
@ rm| �d� d
S )
Nr r/ Frt zNot a gzipped file (%r)z<BBIxxr
zUnknown compression methodz<HTr rx ) r� r r r) �unpackr� rf �FEXTRAr �FCOMMENT�FHCRC)r6 �magic�method�flagZ extra_lenrm r' r' r( �_read_gzip_header� s8 �
� �
z _GzipReader._read_gzip_headerrg c C s� |dk r| � � S |s dS | jjr"| �� d| _| jdi | j��| _| jr6| �� | �� s3| j | _
dS d| _| j � t
j�}| j�||�}| jjdkrS| j �| jj� n| jjdkra| j �| jj� |dkrfqo|dkrntd��q
| �|� | j t|�7 _ |S )Nr r/ TFr� r' )�readall�
_decompressor�eof� _read_eofr� �_decomp_factory� _decomp_argsr� r� �_pos�_sizer� r r r� r �unconsumed_tailr8 � unused_datar� �_add_read_datar2 )r6 r; �bufZ
uncompressr' r' r( r � s> � �
%z_GzipReader.readc C s$ t �|| j�| _| jt|� | _d S r: )rY rp r� r� r2 )r6 r� r' r' r( r� s z_GzipReader._add_read_datac C s� t �d| �d��\}}|| jkr tdt|�t| j�f ��|| jd@ kr(td��d}|dkr8| j�d�}|dks.|rB| j� |� d S d S )Nz<IIr
zCRC check failed %s != %sr� z!Incorrect length of data producedrx r )
r) r� r� r� r rk r� r� r r8 )r6 rp Zisize�cr' r' r( r� s
� ��z_GzipReader._read_eofc s t � �� d| _d S r> )r� �_rewindr� r? r� r' r( r� s
z_GzipReader._rewindr� ) rB rC rD r9 r� r� r� r r� r� r� �
__classcell__r' r' r� r( rR � s
!3rR )ra c C sR t �� }t|d||d��}|�| � W d � |�� S 1 s w Y |�� S )N�wb)r_ r! r" ra )r �BytesIOr r �getvalue)r� r" ra r� r7 r' r' r( r s
��r c C s> t t�| �d�� }|�� W d � S 1 sw Y d S )Nr� )r r r� r )r� r7 r' r' r( r ( s $�r c C s� ddl m} | dd�}|�� }|jdddd� |jd dd
d� |jd d dd
d� |jdddgdd� |�� }t}|jr>t}n|jrCt }|j
D ]{}|j r}|dkr]t ddt
jjd�}t
jj}q�|dd � dkrmt
�d|��� t|d�}t�|d d� d�}n |dkr�t
jj}t ddt
jj|d�}n
t�|d�}t|d d�} |�tj�}|s�q�|�|� q�|t
jjur�|�� |t
jjur�|�� qFd S )Nr )�ArgumentParserzeA simple command line interface for the gzip module: act like gzip, but do not delete the input file.)� descriptionz--fast�
store_truezcompress faster)�action�helpz--bestzcompress betterz-dz --decompressz act like gunzip instead of gzip�args�*�-r4 )�nargs�default�metavarr r )r r! r_ rc rd z filename doesn't end in .gz: r� )r r! r_ r" )�argparser� � add_mutually_exclusive_group� add_argument�
parse_args�_COMPRESS_LEVEL_TRADEOFF�fastr� Zbestr� r� r r �sys�stdin�buffer�stdout�exitr rL r r r� r r� ) r� �parser�groupr� r" �argr7 �gr� r' r' r( �main0 sZ �
�
�
� ��r� �__main__) r) r� r� r rY rL r � _compression�__all__ZFTEXTr� r� r r� rQ rW r� r� r� r r- r. r� r �
BaseStreamr �DecompressReaderrR r r r� rB r' r' r' r( �<module> s:
�-* 0
�