o
    Ee                     @   s   d Z ddlZddlZddlZddlmZmZmZ G dd deZ	G dd dej
ZG dd	 d	ej
ZG d
d dej
ZG dd dZdS )a;  
ELF file parser.

This provides a class ``ELFFile`` that parses an ELF executable in a similar
interface to ``ZipFile``. Only the read interface is implemented.

Based on: https://gist.github.com/lyssdod/f51579ae8d93c8657a5564aefc2ffbca
ELF header: https://refspecs.linuxfoundation.org/elf/gabi4+/ch4.eheader.html
    N)IOOptionalTuplec                   @   s   e Zd ZdS )
ELFInvalidN)__name__
__module____qualname__ r	   r	   f/var/www/bmteknikk.ddns.net/venv/lib/python3.10/site-packages/setuptools/_vendor/packaging/_elffile.pyr      s    r   c                   @      e Zd ZdZdZdS )EIClass      N)r   r   r   C32C64r	   r	   r	   r
   r          r   c                   @   r   )EIDatar   r   N)r   r   r   LsbMsbr	   r	   r	   r
   r      r   r   c                   @   s    e Zd ZdZdZdZdZdZdS )EMachine      (   >      N)r   r   r   I386S390ArmX8664AArc64r	   r	   r	   r
   r      s    r   c                   @   sV   e Zd ZdZdee ddfddZdedee	df fd	d
Z
edee fddZdS )ELFFilez.
    Representation of an ELF executable.
    freturnNc              
   C   s  || _ z| d}W n tjy   tdw t|d d }|dkr*td||d | _|d | _zddd	d
d| j| jf \}| _| _	W n t
y\   td| j d| j dw z| |\
}| _}}| _}| _}| _| _W d S  tjy } ztd|d }~ww )N16Bzunable to parse identification   s   ELFzinvalid magic:    )z<HHIIIIIHHHz	<IIIIIIIIr   r   r$   )z>HHIIIIIHHHz	>IIIIIIIIr&   )z<HHIQQQIHHHz	<IIQQQQQQr   r   r%   )z>HHIQQQIHHHz	>IIQQQQQQr'   ))r   r   )r   r   )r   r   )r   r   zunrecognized capacity (z) or encoding ()z/unable to parse machine and section information)_f_readstructerrorr   bytescapacityencoding_p_fmt_p_idxKeyErrormachine_e_phoffflags_e_phentsize_e_phnum)selfr!   identmagice_fmt_er	   r	   r
   __init__,   sV   





zELFFile.__init__fmt.c                 C   s   t || jt |S )N)r+   unpackr)   readcalcsize)r8   r?   r	   r	   r
   r*   Z   s   zELFFile._readc              	   C   s   t | jD ]H}| j| j| j|   z| | j}W n
 tj	y%   Y qw || j
d  dkr0q| j|| j
d   t| j|| j
d  d  S dS )zH
        The path recorded in the ``PT_INTERP`` section header.
        r   r   r   r    N)ranger7   r)   seekr4   r6   r*   r0   r+   r,   r1   osfsdecoderA   strip)r8   indexdatar	   r	   r
   interpreter]   s   &zELFFile.interpreter)r   r   r   __doc__r   r-   r>   strr   intr*   propertyr   rK   r	   r	   r	   r
   r    '   s    .r    )rL   enumrF   r+   typingr   r   r   
ValueErrorr   IntEnumr   r   r   r    r	   r	   r	   r
   <module>   s    
