3
��]� � @ s d Z ddlZdZy>ddlZejs(ed��ej ej ddlmZ
m Z m Z dZW n( ek
rv ddl
mZ
m Z m Z Y nX ddlmZ ddlmZmZmZmZmZmZ m Z m Z m!Z" d Z#d
Z$d Z%e Z&d Z'd
Z(d
Z)de# d Z*e#e$ Z+de$ d Z,e-dd� e.de#d �D ��Z/e-dd� e.de#d �D ��Z0e-dd� e.de#d �D ��Z1e-dd� e.de#d �D ��Z2G dd� de3�Z4G dd� de4�Z5G dd� de4�Z6d9dd �Z7d:d d �Z8d;d d �Z9d!d"� Z:d#d$� Z;d%d&� Z<d'd(� Zd<d)d*�Zd+d,� Zd-d.� Zd/d0� Zd=d1d2�Zd3d4� Z d5d6� Z d7d8� Z!dS )>z
IPv6 address logic.
� NFz
IPv6 disabled)� inet_pton� inet_ntop�AF_INET6T)�AddrFormatError) � valid_words� int_to_words� words_to_int�
valid_bits� bits_to_int� int_to_bits� valid_bin�
int_to_bin�
bin_to_int� � �:ZIPv6� � � c C s$ g | ] }|t d t| d A f�qS )r r )�max_int�width)�.0�i� r �/usr/lib/python3.6/ipv6.py�
<listcomp>D s r c C s$ g | ] }t d t| d A |f�qS )r r )r r )r r r r r r H s c C s g | ]}|d t | d f�qS )r r )r )r r r r r r L s c C s g | ]}d t | d |f�qS )r r )r )r r r r r r P s c @ s e Zd ZdZdZdZdS )� ipv6_compactz%An IPv6 dialect class - compact form.z%xTN)�__name__�
__module__� __qualname__�__doc__�word_fmt�compactr r r r r V s r c @ s e Zd ZdZdZdS )� ipv6_fullz*An IPv6 dialect class - 'all zeroes' form.FN)r r r r r" r r r r r# ^ s r# c @ s e Zd ZdZdZdZdS )� ipv6_verbosez5An IPv6 dialect class - extra wide 'all zeroes' form.z%.4xFN)r r r r r! r" r r r r r$ d s r$ c C s. | dkrt d��ytt| � W n
dS dS )a
:param addr: An IPv6 address in presentation (string) format.
:param flags: decides which rules are applied to the interpretation of the
addr value. Future use - currently has no effect.
:return: ``True`` if IPv6 address is valid, ``False`` otherwise.
� z Empty strings are not supported!FT)r �
_inet_ptonr )�addr�flagsr r r � valid_strn s r) c C s8 yt t| �}t|�S tk
r2 td| ��Y nX dS )a
:param addr: An IPv6 address in string form.
:param flags: decides which rules are applied to the interpretation of the
addr value. Future use - currently has no effect.
:return: The equivalent unsigned integer for a given IPv6 address.
z&%r is not a valid IPv6 address string!N)r& r �
packed_to_int� Exceptionr )r' r( �
packed_intr r r �
str_to_int� s
r- c s� � dkr t � d}yJt| �}� jr,tt|�}n,ttjd|��}� fdd�|D �}tj |�}W n t
k
rz t d| ��Y nX |S )z�
:param int_val: An unsigned integer.
:param dialect: (optional) a Python class defining formatting options.
:return: The IPv6 presentation (string) format address equivalent to the
unsigned integer provided.
Nz>8Hc s g | ]}� j | �qS r )r! )r �word)�dialectr r r � s z int_to_str.<locals>.<listcomp>z+%r is not a valid 128-bit unsigned integer!) r �
int_to_packedr" �
_inet_ntopr �list�_struct�unpack�word_sep�joinr+ �
ValueError)�int_valr/ r' r, �words�tokensr )r/ r �
int_to_str� s r; c C s: t | t�}t|jdd��}|j� |dddg }dj|�S )z�
:param int_val: An unsigned integer.
:return: The reverse DNS lookup for an IPv6 address in network byte
order integer form.
r r% Zip6Zarpa�.)r; r$ r2 �replace�reverser6 )r8 r' r: r r r � int_to_arpa� s
r? c C s t | dd�}tjd|�� S )z�
:param int_val: the integer to be packed.
:return: a packed string that is equivalent to value represented by an
unsigned integer.
� � �>4I)rB )r r3 �pack)r8 r9 r r r r0 � s r0 c C sJ t tjd| ��}d}x0tt|��D ] \}}|}|d| > }||B }q"W |S )a
:param packed_int: a packed string containing an unsigned integer.
It is assumed that string is packed in network byte order.
:return: An unsigned integer equivalent to value of network address
represented by packed binary string.
z>4Ir rA )r2 r3 r4 � enumerate�reversed)r, r9 r8 r Znumr. r r r r* � s r* c C s t | tt�S )N)� _valid_words� word_size� num_words)r9 r r r r � s r c C s0 |d krt � d }|d kr$t � d }t| ||�S )NrH rG )�globals�
_int_to_words)r8 rH rG r r r r � s
r c C s t | tt�S )N)�
_words_to_intrG rH )r9 r r r r � s r c C s t | tt�S )N)� _valid_bitsr r5 )�bitsr r r r � s r c C s t | tt�S )N)� _bits_to_intr r5 )rM r r r r
� s r
c C s |d krt � d }t| tt|�S )Nr5 )rI � _int_to_bitsrG rH )r8 r5 r r r r � s
r c C s
t | t�S )N)�
_valid_binr )�bin_valr r r r � s r c C s
t | t�S )N)� _int_to_binr )r8 r r r r
� s r
c C s
t | t�S )N)� _bin_to_intr )rQ r r r r s r )r )r )N)NN)N)=r �structr3 Z OPT_IMPORTSZsocketZ_socketZhas_ipv6r+ r r r& r r1 Znetaddr.fbsocketZ netaddr.corer Znetaddr.strategyr rF r rJ r rK r rL r
rN r rO r rP r
rR r rS r rG r5 ZfamilyZ family_name�versionZ word_baser rH Zmax_word�dict�rangeZprefix_to_netmaskZnetmask_to_prefixZprefix_to_hostmaskZhostmask_to_prefix�objectr r# r$ r) r- r; r? r0 r* r r r r �<module> sd ,