File: //usr/lib/python3/dist-packages/twisted/names/__pycache__/tap.cpython-38.pyc
U
W[� � @ s� d Z ddlZddlZddlmZ ddlmZ ddlmZm Z ddlm
Z
ddlm Z ddlm Z G d d
� d
ej
�Z
d d � Zd
d� ZdS )z
Domain Name Server
� N)�usage)�dns)�internet�service)�server)� authority)� secondaryc @ s� e Zd Zddddgddddgd d
d
d gd d
d
d
ggZdddgdddgdddggZejde�� id�Zd
Z d
Z
dd� Z dd� Z d d � Z
d d � Zd d!� Zd"d#� Zd
S )$�Options� interface�i� z The interface to which to bind�port�pZ53zThe port on which to listen� resolv-confNz6Override location of resolv.conf (implies --recursive)�
hosts-filez!Perform lookups with a hosts file�cache�czEnable record caching� recursive�rzPerform recursive lookups�verbose�vz
Log verbosely)Z
optActionsc C s* t j�| � d| d< g | _g | _g | _d S )Nr r )r r �__init__� bindfiles� zonefiles� secondaries��self� r �3/usr/lib/python3/dist-packages/twisted/names/tap.pyr ) s
zOptions.__init__c C s* t j�|�st�|d ��| j�|� dS )z7Specify the filename of a Python syntax zone definition�: No such fileN)�os�path�existsr �
UsageErrorr �append�r �filenamer r r �
opt_pyzone1 s zOptions.opt_pyzonec C s* t j�|�st�|d ��| j�|� dS )z6Specify the filename of a BIND9 syntax zone definitionr N)r r! r" r r# r r$ r% r r r � opt_bindzone7 s zOptions.opt_bindzonec C s� |� dd�}t|�dkr"t�d��|d � d�}t|�dkrL|d tjf}nFzt|d �}W n( tk
r� t�d|d f ��Y nX |d |f}| j� ||d gf� dS ) zwAct as secondary for the specified domain, performing
zone transfers from the specified IP (IP/domain)
�/� � z-Argument must be of the form IP[:port]/domainr �:z&Specify an integer port number, not %rN)
�split�lenr r# r ZPORT�int�
ValueErrorr r$ )r Z ip_domain�argsZaddressr
r r r �
opt_secondary> s
�
zOptions.opt_secondaryc C s | d d7 < dS )zIncrement verbosity levelr r* Nr r r r r � opt_verboseR s zOptions.opt_verbosec C s6 | d rd| d< g | _ g | _| jD ]F}z| j�t�|�� W q" tk
rf t�� t �
d| ��Y q"X q"| j D ]F}z| j�t� |�� W qp tk
r� t�� t �
d| ��Y qpX qp| j
D ]2}tjj|� }| j �|� | j�| j d �� � q�zt| d �| d< W n* tk
�r0 t �
d| d f ��Y nX d S )Nr Tr zInvalid syntax in ���r
zInvalid port: %r)�svcs�zonesr r$ r ZPySourceAuthority� Exception� traceback� print_excr r# r Z
BindAuthorityr r ZSecondaryAuthorityServiceZfromServerAddressAndDomainsZ getAuthorityr/ r0 )r �f�svcr r r � postOptionsW s0
zOptions.postOptions)�__name__�
__module__� __qualname__Z
optParametersZoptFlagsr Z CompletionsZCompleteNetInterfacesZcompDatar6 r r r' r( r2 r3 r< r r r r r s,
�
� �
�r c C s� ddl m}m}m} g g }}| d r<|�|j| d d�� | d rZ|�|j| d d�� | d rx|�|j| d d
�� ||fS ) a%
Build DNS resolver instances in an order which leaves recursive
resolving as a last resort.
@type config: L{Options} instance
@param config: Parsed command-line configuration
@return: Two-item tuple of a list of cache resovers and a list of client
resolvers
r )�clientr �hostsr r )r r )�filer r )Z
resolvconf)�
twisted.namesr@ r rA r$ Z
CacheResolverZResolverZcreateResolver)�configr@ r rA �ca�clr r r �_buildResolverss s
rG c
C s� t | �\}}t�| j||| d �}t�|�}d|_t�� }t j
|ft j |ffD ](\}}|| d || d d�}|� |� qN| j
D ]} | � |� q~|S )Nr r r
r
)r
)rG r ZDNSServerFactoryr6 r ZDNSDatagramProtocolZnoisyr Z MultiServicer Z TCPServerZ UDPServerZsetServiceParentr5 )
rD rE rF r: r Zret�klass�arg�sr; r r r � makeService� s
rK )�__doc__r r8 Ztwisted.pythonr rC r Ztwisted.applicationr r r r r r rG rK r r r r �<module> s `