o
    5h8)                     @   s  d dl Z d dlZd dlZd dlmZ d dlmZ ejd  dk r:d dlZg Z	e
 D ]\ZZZeejkr8e	e q)n	d dlmZ ejZ	eefZG dd deZzkdejvr_ejjd	kr_ed
ejdkrme jdkrmedd dlmZ e Zej Z!e"e#dZ$e#dj%j&Z'dd Z(dd Z)e)Z*e)Z+e)Z,dd Z-d;ddZ.dd Z/dd Z0dd Z1G dd  d eZ2d!d" Z3d#Z4W nt ey.   d dl5Z5d d$l5m6Z6m7Z7m8Z8m)Z)m*Z*m-Z-m.Z.m,Z,m+Z+ d d%l9m:Z: d d&l5m;Z' dZ!g Z<d'd( Z,d)d Z(d*d Z/d+d Z0e5j=Z>d Z?e5j@jAZBe5j@jCZDe5jEZFe5Ge>ZHG d,d- d-e5jIZJd.d Z1G d/d0 d0eZKd1d" Z3d2Z4Y nw G d3d4 d4eZLd5d6 ZMd7d8 ZNd9d: ZOdS )<    N)byte_string)pycryptodome_filename   )	machineryc                   @   s(   e Zd Zejdd Zejdd ZdS )_VoidPointerc                 C      dS )z&Return the memory location we point toN selfr   r   h/var/www/html/construction_image-detection-poc/venv/lib/python3.10/site-packages/Crypto/Util/_raw_api.pyget:      z_VoidPointer.getc                 C   r   )z$Return a raw pointer to this pointerNr   r	   r   r   r   
address_of?   r   z_VoidPointer.address_ofN)__name__
__module____qualname__abcabstractmethodr   r   r   r   r   r   r   9   s
    
r   __pypy__   z0CFFI with optimize=2 fails due to pycparser bug.)r      ntz2CFFI is not compatible with Python 3.12 on Windows)FFIzconst uint8_t*z
uint8_t[1]c                 C   s<   t tdrtdst| tj}nt| }t| |S )zLoad a shared library and return a handle to it.

        @name,  either an absolute path or the name of a library
                in the system search path.

        @cdecl, the C function declarations.
        RTLD_DEEPBINDPYCRYPTODOME_DISABLE_DEEPBIND)hasattrffiosgetenvdlopenr   cdef)namecdecllibr   r   r   load_lib]   s
   	

r$   c                 C      | S )z)Convert a Python integer to unsigned longr   xr   r   r   c_ulongm      r(   c                 C   r%   )z"Convert a Python integer to size_tr   r&   r   r   r   c_size_tu   r)   r*   c                 C   sT   t | trtt| d |}td|}| |dd< |S |r"tdtd| }|S )z7Allocate the given amount of bytes (initially set to 0)   z	uint8_t[]Nz Size must be specified once only)
isinstancebytesmaxlenr   new
ValueError)init_or_sizesizeresultr   r   r   create_string_buffery   s   
r5   c                 C   s
   t | S )z.Convert a C string into a Python byte sequence)r   stringc_stringr   r   r   get_c_string   s   
r9   c                 C   s   t | dd S )z.Convert a C buffer into a Python byte sequenceN)r   bufferbufr   r   r   get_raw_buffer   s   r=   c                 C   sB   t | trttt| S t| st | tr| S tdt	|  Nz)Object type %s cannot be passed to C code)
r,   _buffer_typer   castuint8_t_typefrom_bufferr   _Array	TypeErrortype)datar   r   r   c_uint8_ptr   s
   
rG   c                   @   (   e Zd ZdZdd Zdd Zdd ZdS )	VoidPointer_cffi'Model a newly allocated pointer to voidc                 C   s   t d| _d S )Nz	void *[1])r   r0   _ppr	   r   r   r   __init__   s   zVoidPointer_cffi.__init__c                 C   s
   | j d S )Nr   rK   r	   r   r   r   r         
zVoidPointer_cffi.getc                 C      | j S NrM   r	   r   r   r   r         zVoidPointer_cffi.address_ofNr   r   r   __doc__rL   r   r   r   r   r   r   rI      
    rI   c                   C      t  S rP   )rI   r   r   r   r   VoidPointer   rQ   rV   cffi)	CDLLc_void_pbyrefr(   c_ulonglongr*   r5   c_ubytec_uint)find_library)Arrayc                 C   s*   d|   krdk st   t  t| S )Nr      )OverflowErrorctypesr\   )cr   r   r   r\      s
   
r\   c                 C   s^   t sdd l}| t d d < t \}}d| vr+|ds+t| }|d u r)td|  |} t| S )Nr   .WinzCannot load library '%s')cached_architectureplatformarchitecture
startswithr^   OSErrorrX   )r!   r"   rg   bitslinkage	full_namer   r   r   r$      s   c                 C   rO   rP   )valuer7   r   r   r   r9      rQ   c                 C   rO   rP   )rawr;   r   r   r   r=      rQ   c                   @   s   e Zd Zdefdejfdefdefdejfdejfdejfde	fd	e	fd
e	fdefgZ
ejd dkr>e
dded f dS dS )
_Py_bufferr<   objr/   itemsizereadonlyndimformatshapestrides
suboffsetsinternalr   r   
smalltableN)r   r   r   rY   rb   	py_object
_c_ssize_tc_intc_char_p
_c_ssize_p_fields_sysversion_infoinsertr   r   r   r   rp      s     rp   c              	   C   s   t | s	t| tr| S t| tr:t| }t }t|t|t zt	j
|j }||jW tt| S tt| w tdt|  r>   )r   r,   rC   r?   
_py_objectrp   _PyObject_GetBufferrZ   _PyBUF_SIMPLErb   r\   r/   from_addressr<   _PyBuffer_ReleaserD   rE   )rF   rq   r<   buffer_typer   r   r   rG      s   
c                   @   rH   )	VoidPointer_ctypesrJ   c                 C   s   t  | _d S rP   )rY   _pr	   r   r   r   rL      s   zVoidPointer_ctypes.__init__c                 C   rO   rP   )r   r	   r   r   r   r     rQ   zVoidPointer_ctypes.getc                 C   s
   t | jS rP   )rZ   r   r	   r   r   r   r     rN   zVoidPointer_ctypes.address_ofNrR   r   r   r   r   r      rT   r   c                   C   rU   rP   )r   r   r   r   r   rV     rQ   rb   c                   @   s0   e Zd ZdZdd Zdd Zdd Zdd	 Zd
S )SmartPointerz+Class to hold a non-managed piece of memoryc                 C   s   || _ || _d S rP   )_raw_pointer_destructor)r
   raw_pointer
destructorr   r   r   rL     s   
zSmartPointer.__init__c                 C   rO   rP   r   r	   r   r   r   r     rQ   zSmartPointer.getc                 C   s   | j d }| _ |S rP   r   )r
   rpr   r   r   release  s   zSmartPointer.releasec                 C   s>   z| j d ur| | j  d | _ W d S W d S  ty   Y d S w rP   )r   r   AttributeErrorr	   r   r   r   __del__  s   
zSmartPointer.__del__N)r   r   r   rS   rL   r   r   r   r   r   r   r   r     s    r   c           
      C   s   |  d}|dd |d }}g }tD ]?}z || }t||}tj|s/|d|  W qt||W   S  tyS }	 z|d|t	|	f  W Y d}	~	qd}	~	ww td| d
|f )zLoad a shared library and return a handle to it.

    @name,  the name of the library expressed as a PyCryptodome module,
            for instance Crypto.Cipher._raw_cbc.

    @cdecl, the C function declarations.
    rd   Nrz   zNot found '%s'zCannot load '%s': %sz"Cannot load native module '%s': %sz, )splitextension_suffixesr   r   pathisfileappendr$   rj   strjoin)
r!   r"   r   	dir_compsbasenameattemptsextfilenamerm   expr   r   r   load_pycryptodome_raw_lib%  s    
	
"r   c                 C   s   t | tttfS )z5Return True if object x supports the buffer interface)r,   r-   	bytearray
memoryviewr&   r   r   r   	is_buffer>  s   r   c                 C   s   t | tpt | to| j S rP   )r,   r   r   rs   r&   r   r   r   is_writeable_bufferC  s   
r   rP   )Pr   r   r   Crypto.Util.py3compatr   Crypto.Util._file_systemr   r   impr   get_suffixesr   modtypC_EXTENSIONr   	importlibr   EXTENSION_SUFFIXESr   r   r?   objectr   builtin_module_namesflagsoptimizeImportErrorr!   rW   r   r   NULLnull_pointertypeofr0   rA   	__class__	__bases__rC   r$   r(   r[   r]   r\   r*   r5   r9   r=   rG   rI   rV   backendrb   rX   rY   rZ   ctypes.utilr^   r_   rf   	c_ssize_tr}   r   	pythonapiPyObject_GetBufferr   PyBuffer_Releaser   r|   r   POINTERr   	Structurerp   r   r   r   r   r   r   r   r   r   <module>   s   


	,
f