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decoder.cpython-39.pyc
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r# U s � z'ExplicitTagDecoder.indefLenValueDecoder)NNNNN)NNNNN�r$ r% r& r �Anyr' r" r# r r r r! r4 > s � �r4 c @ s e Zd Ze�d�Zddd�ZdS )�IntegerDecoderr Nc K sx |d j tjkrt�d��|d |� ||d � } } | sR| j||dfi |��| fS t| dd�} | j||| fi |��| fS )Nr �Simple tag format expectedT)Zsigned)� tagFormatr �tagFormatSimpler r r2 r ) r r r r r r r r r r9 r: r1 r r r! r" o s zIntegerDecoder.valueDecoder)NNNNN)r$ r% r& r �Integerr' r" r r r r! rA l s �rA c @ s e Zd Ze�d�Zdd� ZdS )�BooleanDecoderr c K s t j| |||rdpdfi |��S )N� r )rA r2 r0 r r r! r2 � s ��z BooleanDecoder._createComponentN)r$ r% r& r �Booleanr' r2 r r r r! rF � s rF c @ s. e Zd Ze�d�ZdZddd�Zd dd�ZdS ) �BitStringDecoderr TNc K sh |d |� ||d � } } |r<|| j ||tfi |��||�S | sJt�d��|d jtjkr�t| d �} | dkr|t�d| ��| jj | dd � d| d�} | j ||| fi |��| fS | j s�t�d| j j ��t r�t d � | j}| jj tdd �} | �rN|| | jfd |i|��\}} t|d �} | dk�r0t�d| ��| jj |dd � d| | d �} q�| j ||| fi |��| fS ) NzEmpty BIT STRING substrater � �Trailing bits overflow %srG T)�internalFormat�padding�*Constructed encoding form prohibited at %s�$assembling constructed serialization�rL r �rL ZprependrM )r2 r/ r r rC r rD r r' �fromOctetString�supportConstructedForm� __class__r$ r6 r+ r )r r r r r r r r r r9 r: � trailingBitsr1 � bitString� componentr r r! r" � sZ ��� ��� �� � �z BitStringDecoder.valueDecoderc K s� |r"|| j ||tfi |��||�S | j}| jjtdd�} |r�||| jf|dd�|��\} }| tju rfq�t| d �} | dkr�t � d| ��| jj| dd � d| | d�} q8t � d ��| j ||| fi |��|fS ) NTrP �r r< r rJ rK rG rQ �!No EOO seen before substrate ends) r2 r/ r+ r' rR r r r= r r r �SubstrateUnderrunError) r r r r r r r r r rV rW rU r r r! r# � s0 �� � � z%BitStringDecoder.indefLenValueDecoder)NNNNN)NNNNN) r$ r% r& r � BitStringr' rS r" r# r r r r! rI � s � 8 �rI c @ s. e Zd Ze�d�ZdZddd�Zd dd�ZdS ) �OctetStringDecoderr5 TNc K s� |d |� ||d � } } |r<|| j ||tfi |��||�S |d jtjkrf| j ||| fi |��| fS | js~t�d| jj ��t r�t d� | j }t } | r�|| | j fd|i|��\} } | | 7 } q�| j ||| fi |��| fS )Nr rN rO r )r2 r/ rC r rD rS r r rT r$ r6 r+ r r' ) r r r r r r r r r r9 r: �headerrW r r r! r" � s* � �� z OctetStringDecoder.valueDecoderc K s� |r0|| j ur0| j||tfi |��} || ||�S | j }t} |rr||| jf|dd�|��\} }| tju rhq|| | 7 } q:t�d��| j||| fi |��|fS )NTrX rY ) r+ r2 r/ r r' r r= r rZ ) r r r r r r r r r r* r] rW r r r! r# s* ��� �z'OctetStringDecoder.indefLenValueDecoder)NNNNN)NNNNN) r$ r% r& r � OctetStringr' rS r" r# r r r r! r\ � s � ! �r\ c @ s e Zd Ze�d�Zddd�ZdS )� NullDecoderr5 Nc K sd |d j tjkrt�d��|d |� ||d � } } | j||dfi |��} | r\t�d| ��| | fS )Nr rB r5 z&Unexpected %d-octet substrate for Null)rC r rD r r r2 ) r r r r r r r r r r9 r: rW r r r! r" / s zNullDecoder.valueDecoder)NNNNN)r$ r% r& r �Nullr' r" r r r r! r_ , s �r_ c @ s e Zd Ze�d�Zddd�ZdS )�ObjectIdentifierDecoderr Nc K s� |d j tjkrt�d��|d |� ||d � } } | sBt�d��t| �} d} d} t| �} | | k �r,| | }| d7 } |dk r�| |f7 } qZ|dk�r|}d}d}|dk�r|d7 }|tkr�t�dt| f ��|d> |d @ }| | kr�t�d | f ��| | }| d7 } q�| |d> | f7 } qZ|dkrZt�d ��qZd| d k�rHd k�rVn n d | } n|d| d k�rrdk�r�n n d| d d f| dd � } n>| d dk�r�d| d d f| dd � } nt�d| d ��| j ||| fi |��| fS )Nr rB zEmpty substrater rG � zEOID arc exceeds maximum continuation octets limit (%d) at position %drJ � z#Short substrate for sub-OID past %sz"Invalid octet 0x80 in OID encoding�' )r �( �O �P � z Malformed first OID octet: %s) rC r rD r r r r7 � MAX_OID_ARC_CONTINUATION_OCTETSrZ r2 )r r r r r r r r r r9 r: Zoid�indexZ substrateLenZsubIdZ nextSubIdZcontinuationOctetCountr r r! r" D sX ��� z$ObjectIdentifierDecoder.valueDecoder)NNNNN)r$ r% r& r �ObjectIdentifierr' r" r r r r! ra A s �ra c @ s e Zd Ze�� Zddd�ZdS )� RealDecoderNc K s� |d j tjkrt�d��|d |� ||d � } } | sR| j||dfi |��| fS t| d �} | dd � } | d@ �r�| s�t�d��tr�td� | d@ d } | d kr�t| d �} | dd � } | d | � | | d � } } | r�| s�t�d ��t| d �d@ o�d � p�d}| �r.|d K }|t| d �O }| dd � } �q | d ? d@ }|d k�rNt�d��|dk�rb|d9 }n|d k�rt|d 9 }d}| �r�|d K }|t| d �O }| dd � } �qx| d@ �r�| }| d ? d@ }|d | 9 }|d |f}n�| d@ �rt�r�td� | d@ �rd�pd}n�| d@ dk�r�| �s&t�d��t�r4td� z`| d@ dk�rTt| �ddf}n>| d@ d k�rlt | �}n&| d@ dk�r�t | �}nt� d| ��W n t �y� t� d��Y n0 nt� d| ��| j|||fi |��| fS )Nr rB g rG rb z Incomplete floating-point valuez decoding binary encoded REAL� � zReal exponent screwed���� rh zIllegal Real base�@ zdecoding infinite REALz-inf�inf� z decoding character encoded REAL� zUnknown NR (tag %s)zBad character Real syntaxzUnknown encoding (tag %s)) rC r rD r r r2 r r6 �int�floatrZ � ValueError)r r r r r r r r r r9 r: �fo�n�eo�e�b�pZsfr1 r r r! r" � s� �� �zRealDecoder.valueDecoder)NNNNN)r$ r% r& r �Realr' r" r r r r! rl � s �rl c @ s e Zd ZdZdS )�AbstractConstructedDecoderN)r$ r% r& r' r r r r! r � s r c @ sB e Zd ZdZdZdd� Zdd� Zd dd�Zd dd �Zdd d �Z dS )� UniversalConstructedTypeDecoderNc C s t � �d S r) ��NotImplementedError)r r* �idxr r r! �_getComponentTagMap� s z3UniversalConstructedTypeDecoder._getComponentTagMapc C s t � �d S r) r� )r r* r r� r r r! �_getComponentPositionByType� s z;UniversalConstructedTypeDecoder._getComponentPositionByTypec K s� g }t � }|rF||fi |��\}}|tju r.qF|�|� |�|j� q t|�dkrZ| j}n| j}|j t j |jj g|j �R � d�} tr�td| � t|�D ] \} }| j| |dddd� q�| |fS )NrG r, z@guessed %r container type (pass `asn1Spec` to guide the decoder)F��verifyConstraints� matchTags�matchConstraints)�setr r= �append�addr r7 �protoRecordComponent�protoSequenceComponentr. r �TagSet�baseTagZ superTagsr6 � enumerate�setComponentByPosition) r r r r r � componentsZcomponentTypesrW r' r* r� r r r! �_decodeComponents� s2 ���z1UniversalConstructedTypeDecoder._decodeComponentsc K s |d j tjkrt�d��|d |� ||d � } } |d ur�|d urN|�� } n&| jd urh| jj|d�} n | j| jf} || ||�S |d u r�| j | f||d�|��\} } | r�t r�t dt | �t � | �f � | | fS |�� } | �� |jtjjtjjfv �r�|j} |jtjjk}| �o| j }t �rLt d| �r2d�p4d|�r@d �pBd|f � t� }d}| �rf| �shd }nx|�rv| j}njzD|�r�| | j}n.| | j�s�| | j�r�| �|�}n | | j}W n$ t�y� t�d |f ��Y n0 || |fi |��\}} |�s<| �r<|�r| � |j �}n&| | j�s.| | j�r<| � |j |�}| j ||d d d d � |� |� |d 7 }�qVt �rxt d| � | �r�| j!�"|��s�t�d| j#j$ ��| j%�r�|�&di �}t �r�t d� |�'� D ]\}}t d||f � �q�|�s�|�&dd ��r�t(| j)�D �]�\}}|j*�s�q|j�r2| �+|�j,�s2�q| �-|j*j.�}z || }W n� t/�y� t �r�t d| j#j$|j.| j#j$|j*j.f � |j*�'� D ]\}}t d||f � �q�z|j*| }W n0 t/�y� t �r�t d|f � Y Y �qY n0 Y n0 t �rt d||f � | �+|�}|jtj0jtj1jfv �rft(|�D ]2\}} ||| �2� fd|i|��\}} |||< �q0n.|| �+|��2� fd|i|��\}} | � ||� �qn| j3} | �r| �nh|�� } | �� |j}t �r�t d| � d}| �r|| |fi |��\}} | j ||d d d d � |d 7 }�q�| | fS )Nr � Constructed tag format expectedr, �r r z)Unused trailing %d octets encountered: %s�5decoding %sdeterministic %s type %r chosen by type ID�non-r5 �SET�"Excessive components decoded at %rFr� rG �seen component indices %s�,ASN.1 object %s has uninitialized components� openTypes� user-specified open types map:�%s -> %r�decodeOpenTypes�Jdefault open types map of component "%s.%s" governed by component "%s.%s":�1failed to resolve open type by governing value %r�+resolved open type %r by governing value %rr �+decoding type %r chosen by given `asn1Spec`)4rC r �tagFormatConstructedr r r. r' r� r� r� r6 r7 r r8 �clear�typeIdr �Sequence�Set� componentType�hasOptionalOrDefaultr� � tagMapUniquer* � isOptional� isDefaulted�getTagMapNearPosition� IndexError�getPositionByType�effectiveTagSet�getPositionNearTyper� r� �requiredComponents�issubsetrT r$ � hasOpenTypesr- �itemsr� � namedTypes�openType�getComponentByPosition�isValue�getComponentByName�name�KeyError�SetOf� SequenceOf�asOctets�isInconsistent) r r r r r r r r r r9 r: r* Ztrailingr� � isSetType�isDeterministic� seenIndicesr� r� rW r� �k�v� namedType�governingValuer� �containerValue�pos�containerElement�rest� inconsistencyr r r! r" # s6 ��� � � � � �� � ���� �� ��� ��� � z,UniversalConstructedTypeDecoder.valueDecoderc K s2 |d j tjkrt�d��|d urf|d ur4|�� } n&| jd urN| jj|d�} n | j| jf} || ||�S |d u r�| j |f||d�t |dd���S |�� } | � � |j t jj t jj fv �r�| j} | j t jj k} | o�| j } t�rtd| r�dp�d | r�d p�d |f � t� } d}|�r8t| �|k�r&d }nx| �r4| j}njzD| �rH| | j}n.| | j�s`| | j�rl| �|�}n | | j}W n$ t�y� t�d | f ��Y n0 |||fd di|��\}}|tj u �rȐqB| �s| �r| �r�| � |j �}n&| | j�s | | j�r| � |j |�}| j ||d d d d� | �!|� |d7 }�q t�"d��t�rTtd| � | �r*| j#�$| ��szt�d| j%j& ��| j'�r�|�(di �}t�r�td� |�)� D ]\}}td||f � �q�|�s�|�(dd ��r�t*| j+�D �]�\}}|j,�s�q�|j�r| �-|�j.�s�q�| �/|j,j0�}z || }W n� t1�y� t�r�td| j%j&|j0| j%j&|j,j0f � |j,�)� D ]\}}td||f � �qjz|j,| }W n0 t1�y� t�r�td|f � Y Y �q�Y n0 Y n0 t�r�td||f � | �-|�}|j t j2j t j3j fv �rJt*|�D ]:\}}||| �4� fd|it |dd���\}}|||< �q nB|| �-|��4� fd|it |dd���\}}|tj u�r�| � ||� �q�n| j5}|�r*|�n�|�� } | � � |j}t�r�td| � d}|�r |||fd di|��\}}|tj u �r �q*| j ||d d d d� |d7 }�q�t�"d��| |fS ) Nr r� r, r� T)r< r� r� r5 r� r� r< Fr� rG rY r� r� r� r� r� r� r� r� r� r r� )6rC r r� r r r. r' r� r� r� �dictr� r� r r� r� r� r� r6 r� r7 r� r* r� r� r� r� r r= r� r� r� r� r� rZ r� r� rT r$ r� r- r� r� r� r� r� r� r� r� r� r� r� r� r� ) r r r r r r r r r r* r� r� r� r� r� rW r� r� r� r� r� r� r� r� r� r� r� r� r r r! r# � s6 �� �� � � � � ���� �� �� � �� � � �z4UniversalConstructedTypeDecoder.indefLenValueDecoder)NN)NNNNN)NNNNN) r$ r% r& r� r� r� r� r� r" r# r r r r! r� � s * � M �r� c @ s e Zd Ze�� Ze�� ZdS )�SequenceOrSequenceOfDecoderN)r$ r% r& r r� r� r� r� r r r r! r� � s r� c @ s e Zd Ze�� ZdS )�SequenceDecoderN)r$ r% r& r r� r' r r r r! r� � s r� c @ s e Zd Ze�� ZdS )�SequenceOfDecoderN)r$ r% r& r r� r' r r r r! r� � s r� c @ s e Zd Ze�� Ze�� ZdS )�SetOrSetOfDecoderN)r$ r% r& r r� r� r� r� r r r r! r� � s r� c @ s e Zd Ze�� ZdS )� SetDecoderN)r$ r% r& r r� r' r r r r! r� � s r� c @ s e Zd Ze�� ZdS )� SetOfDecoderN)r$ r% r& r r� r' r r r r! r� � s r� c @ s( e Zd Ze�� Zddd�Zddd�ZdS )� ChoiceDecoderNc K s� |d |� ||d � } } |d u r2| j j|d�} n|�� } |rJ|| ||�S | j|kr�trftd|f � || | jfi |��\} } n0tr�td|f � || | j|||fi |��\} } | j} tr�td| | f � | j| | ddddd� | | fS )Nr, �'decoding %s as explicitly tagged CHOICE� decoding %s as untagged CHOICE�*decoded component %s, effective tag set %sF�r� r� r� Z innerFlag)r' r. r r6 ZcomponentTagMapr� �setComponentByType)r r r r r r r r r r9 r: r* rW r� r r r! r" � s@ �� �� �zChoiceDecoder.valueDecoderc K s� |d u r| j j|d�} n|�� } |r0|| ||�S | j|kr�trLtd|f � ||| jjfi |��\} }||fddi|��\} }| tjur�t� d��n2tr�td|f � ||| jj|||fi |��\} }| j } tr�td| | f � | j | | ddddd � | |fS ) Nr, r� r< TrY r� r� Fr� ) r' r. r r6 r� r� r r= r r r� r� ) r r r r r r r r r r* rW r> r� r r r! r# sP �� ��� �� �z"ChoiceDecoder.indefLenValueDecoder)NNNNN)NNNNN)r$ r% r& r �Choicer' r" r# r r r r! r� � s � / �r� c @ s( e Zd Ze�� Zddd�Zddd�ZdS )� AnyDecoderNc K s� |d u rd} n"|j tju r&||jv} n ||jk} | rj|d } |t| �t|� 7 }| }trjtdt�|� � |r�|| j ||t fi |��||�S |d |� ||d � } } | j ||| fi |��| fS )NT� fullSubstratez&decoding as untagged ANY, substrate %s) rT r �TagMap�tagMapr r7 r6 r r8 r2 r/ ) r r r r r r r r r Z isUntaggedr� r9 r: r r r! r" C s" �zAnyDecoder.valueDecoderc K s: |d u rd} n"|j tju r&||jv } n ||jk} | rFt} trvtd� n0|d } | d t|� � } trvtdt� | � � | j }|r�|| j ur�| j ||t fi |��} || | | |t| � �S tr�td� | j }|�r|||f|dd�|��\} }| tju r��q| | 7 } q�t�d��|�r | |fS | j ||| fi |��|fS d S ) NFzdecoding as tagged ANYr� z-decoding as untagged ANY, header substrate %srO TrX rY )rT r r� r� r r r6 r7 r r8 r' r+ r2 r/ r r= r rZ )r r r r r r r r r ZisTaggedr] r� r* rW r r r! 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