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3 �7&j2g � @ s: d dl Z d dljZd dljZd dlT d dlmZ G dd� d�ZG dd� d�ZG dd � d e �Z G d d � d �Z e d k�r6d dl Z e jd dkr�ee jd �Zej� Zej� ed d�Zeje� nxe jd dk�r6y4e e jd ddd�Zeejd � eejd�� W n2 e k �r4 Z zeejd � W Y ddZ[X nX dS )� N)�*)�copyc @ s� e Zd Zd3Zed4 Zi ZdZdZdZdZ dZ d d � Z d d � Z d d!� Z d"d#� Zd$d%� Zd&d'� Zd(d)� Zd*d+� Zd,d-� Zd.d/� Zd0d1� Zd2S )5� PolicyLex�POLICY�ALGORITHM_POLICY�ZONE� ALGORITHM� DIRECTORY�KEYTTL�KEY_SIZE� ROLL_PERIOD� PRE_PUBLISH� POST_PUBLISH�COVERAGE�STANDBY�NONE� DATESUFFIX�KEYTYPE�ALGNAME�STR�QSTRING�NUMBER�LBRACE�RBRACE�SEMIz z (//|\#).*z\{z\}�;c C s |j j|jjd�7 _dS )z\n+� N)�lexer�lineno�value�count)�self�t� r# � /usr/lib/python3.6/policy.py� t_newline7 s zPolicyLex.t_newlinec C s |j j|jjd�7 _dS )z/\*(.|\n)*?\*/r N)r r r r )r! r" r# r# r$ � t_comment; s zPolicyLex.t_commentc C s t jd|j�jd�j� |_|S )z�(?i)(?<=[0-9 \t])(y(?:ears|ear|ea|e)?|mo(?:nths|nth|nt|n)?|w(?:eeks|eek|ee|e)?|d(?:ays|ay|a)?|h(?:ours|our|ou|o)?|mi(?:nutes|nute|nut|nu|n)?|s(?:econds|econd|econ|eco|ec|e)?)\bz (?i)(y|mo|w|d|h|mi|s)([a-z]*)� )�re�matchr �group�lower)r! r" r# r# r$ � t_DATESUFFIX? s zPolicyLex.t_DATESUFFIXc C s |j j� |_ |S )z(?i)\b(KSK|ZSK)\b)r �upper)r! r" r# r# r$ � t_KEYTYPED s zPolicyLex.t_KEYTYPEc C s |j j� |_ |S )z�(?i)\b(RSAMD5|DH|DSA|NSEC3DSA|ECC|RSASHA1|NSEC3RSASHA1|RSASHA256|RSASHA512|ECCGOST|ECDSAP256SHA256|ECDSAP384SHA384|ED25519|ED448)\b)r r- )r! r" r# r# r$ � t_ALGNAMEI s zPolicyLex.t_ALGNAMEc C s | j j|jd�|_|S )z[A-Za-z._-][\w._-]*r )� reserved_map�getr �type)r! r" r# r# r$ �t_STRN s zPolicyLex.t_STRc C s& | j j|jd�|_|jdd� |_|S )z"([^"\n]|(\\"))*"r r' ���)r0 r1 r r2 )r! r" r# r# r$ � t_QSTRINGS s zPolicyLex.t_QSTRINGc C s t |j�|_|S )z\d+)�intr )r! r" r# r# r$ �t_NUMBERY s zPolicyLex.t_NUMBERc C s" t d|jd � |jjd� d S )NzIllegal character '%s'r r' )�printr r �skip)r! r" r# r# r$ �t_error^ s zPolicyLex.t_errorc K sb dt t�krtjdd�}n tdd�}x"| jD ]}|| j|j� j|�< q,W tjf d| i|��| _d S )N� maketrans�_�-�object) �dir�strr; �reservedr0 r+ � translate�lexr )r! �kwargsZtrans�rr# r# r$ �__init__b s zPolicyLex.__init__c C s. | j j|� x | j j� }|s P t|� qW d S )N)r �input�tokenr8 )r! �textr" r# r# r$ �testk s zPolicyLex.testN) r r r r r r r r r r r r r ) r r r r r r r r r )�__name__� __module__� __qualname__rA �tokensr0 Zt_ignoreZt_ignore_olcommentZt_LBRACEZt_RBRACEZt_SEMIr% r& r, r. r/ r3 r5 r7 r: rF rJ r# r# r# r$ r sN r c @ s� e Zd ZdZdZdZdZdZdZdZ dZ dZ dZ dZ dZdZdZdZdZddgddgddgddgddgddgddgdddddd� Zddd�Zd d � Zd d � Zd d� Zdd� Zdd� ZdS )�PolicyFNi i i ) �DSA�NSEC3DSA�RSAMD5�RSASHA1� NSEC3RSASHA1� RSASHA256� RSASHA512�ECCGOST�ECDSAP256SHA256�ECDSAP384SHA384�ED25519�ED448c C s || _ || _|| _d S )N)�name� algorithm�parent)r! r\ r] r^ r# r# r$ rF � s zPolicy.__init__c C sF d| j r dp"| jrdp"| jr dp"d| jp*d| jr8| jjp:d| jrRdt| j� d pTd| jp\d| jrlt| j�pnd| j r~t| j �p�d| j r�t| j �p�d| j r�t| j �p�d| j r�t| j �p�d| j r�t| j �p�d| jr�t| j�p�d| jr�t| j�p�d| jr�t| j�p�d| j�rt| j��pd| j�r(t| j��p*d| j�r>t| j��p@df S ) Na %spolicy %s: inherits %s directory %s algorithm %s coverage %s ksk_keysize %s zsk_keysize %s ksk_rollperiod %s zsk_rollperiod %s ksk_prepublish %s ksk_postpublish %s zsk_prepublish %s zsk_postpublish %s ksk_standby %s zsk_standby %s keyttl %s z constructed zzone z algorithm � ZUNKNOWN�None�")�is_constructed�is_zone�is_algr\ r^ � directoryr@ r] �coverage� ksk_keysize� zsk_keysize�ksk_rollperiod�zsk_rollperiod�ksk_prepublish�ksk_postpublish�zsk_prepublish�zsk_postpublish� ksk_standby� zsk_standby�keyttl)r! r# r# r$ �__repr__� s( zPolicy.__repr__c C s |d | ko|d kS S )Nr r' r# )r! Zkey_sizeZ size_ranger# r# r$ Z __verify_size� s zPolicy.__verify_sizec C s | j S )N)r\ )r! r# r# r$ �get_name� s zPolicy.get_namec C s | j S )N)rb )r! r# r# r$ � constructed� s zPolicy.constructedc C s$ | j r:| jdk r:| j| j kr:t| j � dd| j| j f fS | j rj| jdk rj| j| j krjdd| j| j f fS | jr�| jdk r�| j| jkr�dd| j| jf fS | jr�| jdk r�| j| jkr�dd| j| jf fS | j o�| jo�| jo�| j| j | j k�rdd| j| j| j f fS | j�rL| j�rL| j�rL| j| j | jk�rLdd| j| j| jf fS | jdk �r | jj | j�}|dk �r�| j | j |��s�dd | j |f fS | j | j |��s�dd | j |f fS | jd k�r�| j d dk�r�dd | j fS | jd k�r| j d dk�rdd | j fS | jd k�r d| _ d| _ d!S )"zr Check if the values in the policy make sense :return: True/False if the policy passes validation NFz6KSK pre-publish period (%d) exceeds rollover period %dz7KSK post-publish period (%d) exceeds rollover period %dz6ZSK pre-publish period (%d) exceeds rollover period %dz7ZSK post-publish period (%d) exceeds rollover period %dz%KSK pre/post-publish periods (%d/%d) z"combined exceed rollover period %dz%ZSK pre/post-publish periods (%d/%d) z&KSK key size %d outside valid range %sz&ZSK key size %d outside valid range %srP rQ �@ r z$KSK key size %d not divisible by 64 zas required for DSAz$ZSK key size %d not divisible by 64 rW rX rY rZ r[ Tr_ zGKSK pre/post-publish periods (%d/%d) combined exceed rollover period %dzGZSK pre/post-publish periods (%d/%d) combined exceed rollover period %d)rP rQ z7KSK key size %d not divisible by 64 as required for DSA)rP rQ z7ZSK key size %d not divisible by 64 as required for DSA)rW rX rY rZ r[ )Tr_ ) ri rk r8 rl rj rm rn r] �valid_key_sz_per_algor1 �_Policy__verify_sizerg rh )r! Z key_sz_ranger# r# r$ �validate� s� zPolicy.validate)NNN)rK rL rM rc rd rb ri rj rk rm rl rn rg rh ro rp rq rf re rv rF rr rw rs rt rx r# r# r# r$ rO v sD &rO c @ s e Zd ZdS )�PolicyExceptionN)rK rL rM r# r# r# r$ ry ) s ry c @ s. e Zd Zi Zi Zi ZdZdZdZdEdd�Z dd� Z dd� Z d d � Z d d � Z d d� Zdd� Zdd� Zdd� Zdd� Zdd� Zdd� Zdd � Zd d � Zd d � Zd!d"� Zd#d$� Zd%d&� Zd'd(� Zd)d*� Z d+d,� Z d-d.� Z d/d0� Z d1d2� Z d3d4� Z!d5d6� Z"d7d8� Z#d9d:� Z$d;d<� Z%d=d>� Z&d?d@� Z'dAdB� Z(dCdD� Z)dS )F� dnssec_policyNTc K s� t � | _| jj| _d|kr"d|d< d|kr2d|d< tjf d| i|��| _| jd� t� }d |_d|_d|_ d|_ t |�| j d< d| j d _d| j d _ d | j d _ t |�| j d < d | j d _d | j d _ d | j d _ t |�| j d < d | j d _d | j d _ t |�| j d < d | j d _d | j d _ t |�| j d < d | j d _d | j d _ t |�| j d< d| j d _d| j d _ t |�| j d< d| j d _d| j d _ t |�| j d< d| j d _d| j d _ t |�| j d< d| j d _d| j d _ d | j d _ d | j d _ t |�| j d< d| j d _d| j d _ d | j d _ d | j d _ t |�| j d< d| j d _d| j d _ d | j d _ d | j d _ t |�| j d< d| j d _d| j d _ d | j d _ d | j d _ |�r�| j|� d S )N�debugF� write_tables�modulea policy global { algorithm rsasha256; key-size ksk 2048; key-size zsk 2048; roll-period ksk 0; roll-period zsk 1y; pre-publish ksk 1mo; pre-publish zsk 1mo; post-publish ksk 1mo; post-publish zsk 1mo; standby ksk 0; standby zsk 0; keyttl 1h; coverage 6mo; }; policy default { policy global; };Ti rP i rQ rR rS rT rU rV rW rX rY rZ r[ )r �plexrN �yacc�parser�setuprO r] rd rg rh r � alg_policyr\ �load)r! �filenamerD �pr# r# r$ rF 4 s| zdnssec_policy.__init__c C sH || _ d| _t|��$}|j� }d| jj_| jj|� W d Q R X d | _ d S )NTr ) r� �initial�open�readr~ r r r� �parse)r! r� �frI r# r# r$ r� � s zdnssec_policy.loadc C s d| _ d| jj_| jj|� d S )NTr )r� r~ r r r� r� )r! rI r# r# r$ r� � s zdnssec_policy.setupc K s` |j � }d }|| jkr | j| }|d krBt| jd �}||_d|_|jd kr�|jpZ| jd }x|rr|j rr|j}q^W |r~|jp�d |_|j| jkr�| j|j }nt d��|j d kr�|jp�| jd }x|d k r�|j r�|j}q�W |o�|j |_ |j d k�r:|j�p| jd }x |�r"|j �r"|j}�qW |�r2|j �p6|j |_ |j d k�r�|j�pV| jd }x |j�rv|j �rv|j}�qZW |�r�|j �p�|j |_ |j d k�r�|j�p�| jd }x |j�r�|j �r�|j}�q�W |�r�|j �p�|j |_ |jd k�r6|j�p�| jd }x |j�r |j �r |j}�qW |�r.|j�p2|j|_|jd k�r�|j�pR| jd }x |j�rr|j �rr|j}�qVW |�r�|j�p�|j|_|jd k�r�|j�p�| jd }x |j�r�|j �r�|j}�q�W |�r�|j�p�|j|_|jd k�r2|j�p�| jd }x |j�r|j �r|j}�q�W |�r*|j�p.|j|_|jd k�r�|j�pN| jd }x |j�rn|j �rn|j}�qRW |�r~|j�p�|j|_|jd k�r�|j�p�| jd }x |j�r�|j �r�|j}�q�W |�r�|j�p�|j|_|jd k�r(|j�p�| jd }x |d k �r|j �r|j}�q�W |�o$|j|_d|k�s>|d �r\|j� \}}|�s\t |��d S |S )N�defaultTzalgorithm not foundZ novalidate)r+ � zone_policyr � named_policyr\ rb r] r^ r� ry re rf rg rh ri rj rk rm rl rn rq rx ) r! ZzonerD �zr� r^ ZapZvalid�msgr# r# r$ �policy� s� zdnssec_policy.policyc C s dS )zBpolicylist : init policy | policylist policyNr# )r! r� r# r# r$ � p_policylist s zdnssec_policy.p_policylistc C s d| _ dS )zinit :FN)r� )r! r� r# r# r$ �p_init s zdnssec_policy.p_initc C s dS )zTpolicy : alg_policy | zone_policy | named_policyNr# )r! r� r# r# r$ �p_policy s zdnssec_policy.p_policyc C s |d |d< dS )zAname : STR | KEYTYPE | DATESUFFIXr' r Nr# )r! r� r# r# r$ �p_name s zdnssec_policy.p_namec C s, |d j � |d< tjd|d �s(td��dS )zcdomain : STR | QSTRING | KEYTYPE | DATESUFFIXr' r z^[\w.-][\w.-]*$zinvalid domainN)�stripr( r) ry )r! r� r# r# r$ �p_domain s zdnssec_policy.p_domainc C s t � | _dS )z new_policy :N)rO �current)r! r� r# r# r$ � p_new_policy* s zdnssec_policy.p_new_policyc C s( |d | j _d| j _| j | j|d < dS )zFalg_policy : ALGORITHM_POLICY ALGNAME new_policy alg_option_group SEMI� TN)r� r\ rd r� )r! r� r# r# r$ � p_alg_policy. s zdnssec_policy.p_alg_policyc C s8 |d j d�| j_d| j_| j| j|d j d�j� < dS )z=zone_policy : ZONE domain new_policy policy_option_group SEMIr� �.TN)�rstripr� r\ rc r� r+ )r! r� r# r# r$ � p_zone_policy5 s zdnssec_policy.p_zone_policyc C s$ |d | j _| j | j|d j� < dS )z>named_policy : POLICY name new_policy policy_option_group SEMIr� N)r� r\ r� r+ )r! r� r# r# r$ �p_named_policy< s z dnssec_policy.p_named_policyc C s |d |d< dS )zduration : NUMBERr' r Nr# )r! r� r# r# r$ � p_duration_1B s zdnssec_policy.p_duration_1c C s d|d< dS )zduration : NONENr r# )r! r� r# r# r$ � p_duration_2G s zdnssec_policy.p_duration_2c C s� |d dkr |d d |d< n�|d dkr<|d d |d< n�|d dkrZ|d d |d< n||d d krx|d d |d< n^|d d kr�|d d |d< n@|d dkr�|d d |d< n"|d dkr�|d |d< nt d��dS )z duration : NUMBER DATESUFFIXr� �yr' i�3�r �moi �' �wi�: �di�Q �hi Zmi�< �szinvalid durationN)ry )r! r� r# r# r$ � p_duration_3L s zdnssec_policy.p_duration_3c C s dS )z6policy_option_group : LBRACE policy_option_list RBRACENr# )r! r� r# r# r$ �p_policy_option_group_ s z#dnssec_policy.p_policy_option_groupc C s dS )zmpolicy_option_list : policy_option SEMI | policy_option_list policy_option SEMINr# )r! r� r# r# r$ �p_policy_option_listc s z"dnssec_policy.p_policy_option_listc C s dS )a� policy_option : parent_option | directory_option | coverage_option | rollperiod_option | prepublish_option | postpublish_option | keysize_option | algorithm_option | keyttl_option | standby_optionNr# )r! r� r# r# r$ �p_policy_optionh s z dnssec_policy.p_policy_optionc C s dS )z0alg_option_group : LBRACE alg_option_list RBRACENr# )r! r� r# r# r$ �p_alg_option_groupu s z dnssec_policy.p_alg_option_groupc C s dS )z^alg_option_list : alg_option SEMI | alg_option_list alg_option SEMINr# )r! r� r# r# r$ �p_alg_option_listy s z dnssec_policy.p_alg_option_listc C s dS )a alg_option : coverage_option | rollperiod_option | prepublish_option | postpublish_option | keyttl_option | keysize_option | standby_optionNr# )r! r� r# r# r$ � p_alg_option~ s zdnssec_policy.p_alg_optionc C s | j |d j� | j_dS )zparent_option : POLICY namer� N)r� r+ r� r^ )r! r� r# r# r$ �p_parent_option� s z dnssec_policy.p_parent_optionc C s |d | j _dS )z$directory_option : DIRECTORY QSTRINGr� N)r� re )r! r� r# r# r$ �p_directory_option� s z dnssec_policy.p_directory_optionc C s |d | j _dS )z#coverage_option : COVERAGE durationr� N)r� rf )r! r� r# r# r$ �p_coverage_option� s z dnssec_policy.p_coverage_optionc C s* |d dkr|d | j _n |d | j _dS )z0rollperiod_option : ROLL_PERIOD KEYTYPE durationr� �KSK� N)r� ri rj )r! r� r# r# r$ �p_rollperiod_option� s z!dnssec_policy.p_rollperiod_optionc C s* |d dkr|d | j _n |d | j _dS )z0prepublish_option : PRE_PUBLISH KEYTYPE durationr� r� r� N)r� rk rm )r! r� r# r# r$ �p_prepublish_option� s z!dnssec_policy.p_prepublish_optionc C s* |d dkr|d | j _n |d | j _dS )z2postpublish_option : POST_PUBLISH KEYTYPE durationr� r� r� N)r� rl rn )r! r� r# r# r$ �p_postpublish_option� s z"dnssec_policy.p_postpublish_optionc C s* |d dkr|d | j _n |d | j _dS )z(keysize_option : KEY_SIZE KEYTYPE NUMBERr� r� r� N)r� rg rh )r! r� r# r# r$ �p_keysize_option� s z dnssec_policy.p_keysize_optionc C s* |d dkr|d | j _n |d | j _dS )z'standby_option : STANDBY KEYTYPE NUMBERr� r� r� N)r� ro rp )r! r� r# r# r$ �p_standby_option� s z dnssec_policy.p_standby_optionc C s |d | j _dS )z keyttl_option : KEYTTL durationr� N)r� rq )r! r� r# r# r$ �p_keyttl_option� s z dnssec_policy.p_keyttl_optionc C s |d | j _dS )z$algorithm_option : ALGORITHM ALGNAMEr� N)r� r] )r! r� r# r# r$ �p_algorithm_option� s z dnssec_policy.p_algorithm_optionc C sd |r.t d| jpd| jrdnd|j|jf � n2| js`td| jp@d| jrJdnd|rV|jpXdf ��d S )Nz %s%s%d:syntax error near '%s'r_ �:z %s%s%d:unexpected end of inputr )r8 r� r r r� ry )r! r� r# r# r$ �p_error� s zdnssec_policy.p_error)N)*rK rL rM r� r� r� r� r� r� rF 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� r� r# r# r# r$ rz , sN _ h rz �__main__r' rC r� )r{ r� T)r| r{ r� znonexistent.zone) r( Zply.lexrC Zply.yaccr �stringr r rO � Exceptionry rz rK �sys�argvr� �filer� rI �closer~ rJ Zppr8 r� r� �e�argsr# r# r# r$ �<module> s6 ` 4 !
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