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o ;jZx � @ s| d Z ddlmZmZmZ ddlZddlZddlZddlZddl Z ddl m Z m Z ddl mZ ddlmZ ddlmZmZmZ zddlZW n eyO dZY nw zddlZW n eyl edu sfeed�ridZn� Y nw erqeZeed �r�eed �r�ejZ ej Z nDedu r�d Z Z n;ddlZddlZ z dd l m!Z! e!Z W n G d d � d e"�Z Y e Z d d� Z#dd� Z$dd� Z%dd� Z&dd� Z'dd � ZeZ eed��r/eed��rej(dkr�edur�ej)ej*j+e�,� d�Z-ej)ej*j.e�,� d�Z/nTe�)ej*j+�Z-e�)ej*j.�Z/nEe�0ej1�Z-ej2e-_3e-�4e�,� � e�0ej1�Z/eed��r.e- j5ej6O _5e/ j5ej6O _5ne�r>e7ej2e�,� d �Z-i Z/ne7ddd �Z-i Z/d �8d � d �8d � ej9ej:fZ;eed ��rbe;ej<f7 Z;d!Z=dej>e=dd"fd#d$�Z?eed%��r|d&e=fd'd(�Z@d<d)d*�ZAd+d,� ZBG d-d.� d.e�ZCG d/d0� d0eC�ZDG d1d2� d2eD�ZEG d3d4� d4eD�ZFG d5d6� d6eC�ZGeHg d7��ZId8d9� ZJd<d:d;�ZKdS )=z#Miscellaneous network utility code.� )�absolute_import�division�print_functionN)�dummy_executor�run_on_executor)�IOLoop)�set_close_exec)�PY3� Configurable�errno_from_exception�create_default_context�match_hostname�CertificateError)�SSLCertVerificationErrorc @ s e Zd ZdS )r N)�__name__� __module__� __qualname__� r r �L/opt/saltstack/salt/lib/python3.10/site-packages/salt/ext/tornado/netutil.pyr F s c C sL t | t�rtjdk rt| ddd�} | S tjdkr$t | t�r$t| ddd�} | S �N�� �ascii�strict)�encoding�errors)� isinstance�str�sys� version_info�unicode�bytes��objr r r �_to_textO s �r$ c C sJ t | t�rtjdkrt| ddd�} | S tjdk r#t | t�r#| �dd�} | S r )r r r r r! r �encoder" r r r � _to_bytesW s � r& c C s� | sdS | � d�}|s| �� |�� kS |dkr tdt| � ��| �d�\}}}d|v r3tdt| � ��|s=tdt| � ��|dkrItdt| � ��|�d�\}}}|rU|sWdS |�� |�� kS ) a� Matching according to RFC 6125, section 6.4.3 - Hostnames are compared lower case. - For IDNA, both dn and hostname must be encoded as IDN A-label (ACE). - Partial wildcards like 'www*.example.org', multiple wildcards, sole wildcard or wildcards in labels other then the left-most label are not supported and a CertificateError is raised. - A wildcard must match at least one character. F�*� z.too many wildcards in certificate DNS name: %s�.z7wildcard can only be present in the leftmost label: %s.z<sole wildcard without additional labels are not support: %s.z:partial wildcards in leftmost label are not supported: %s.)�count�lowerr �repr� partition)�dn�hostname� wildcards� dn_leftmost�sep� dn_remainder�hostname_leftmost�hostname_remainderr r r �_dnsname_match_ s@ �������r6 c C s� zt | �}W n ty tdt| � ��w tjdk r |}n| }|�d�dkr;zt�|�W S t tj t fy: Y nw zt� tj |�W S t tj t fyV tdt| � �� ty^ Y nw tdt| � ��)z�Try to convert an IP address to packed binary form Supports IPv4 addresses on all platforms and IPv6 on platforms with IPv6 support. z %s must be an all-ascii string.r r) r z)%s is neither an IPv4 nor an IP6 address.z%s is not an IPv4 address.)r& � UnicodeError� ValueErrorr, r r r* �_socket� inet_aton�OSError�error� TypeError� inet_pton�AF_INET6�AttributeError)�ipnameZb_ipnameZn_ipnamer r r � _inet_paton� s0 � �� �rB c C s t | �� �}||kS )z�Exact matching of IP addresses. RFC 6125 explicitly doesn't define an algorithm for this (section 1.7.2 - "Out of Scope"). )rB �rstrip)rA �host_ip�ipr r r �_ipaddress_match� s rF c C sT | st d��ztt|��}W n t y d}Y n ty# d}Y nw g }| �dd�}|D ]/\}}|dkrH|du rBt||�rB dS |�|� q.|dkr]|durXt||�rX dS |�|� q.|s�| �dd�D ]}|D ]\}}|dkr�t||�r{ dS |�|� qjqft|�d kr�t d |d � t t |��f ��t|�d kr�t d ||d f ��t d��)a Verify that *cert* (in decoded format as returned by SSLSocket.getpeercert()) matches the *hostname*. RFC 2818 and RFC 6125 rules are followed. The function matches IP addresses rather than dNSNames if hostname is a valid ipaddress string. IPv4 addresses are supported on all platforms. IPv6 addresses are supported on platforms with IPv6 support (AF_INET6 and inet_pton). CertificateError is raised on failure. On success, the function returns nothing. ztempty or no certificate, match_hostname needs a SSL socket or SSL context with either CERT_OPTIONAL or CERT_REQUIREDN�subjectAltNamer �DNSz IP Address�subject� commonNamer( z&hostname %r doesn't match either of %sz, z hostname %r doesn't match %rr z=no appropriate commonName or subjectAltName fields were found) r8 rB r$ r7 �getr6 �appendrF �lenr �join�mapr, )�certr/ rD �dnsnames�san�key�value�subr r r r � sN � � �� � �� SSLContext�win32)�cafile�OP_NO_COMPRESSION)� cert_reqs�ca_certsZfoo�idna�latin1�WSAEWOULDBLOCK� Fc C s� |r t td�s td��g }|dkrd}tjs |tjkr tj}|du r%tj}d}tt�|| |tj d|��D ]�}|\} } } } } t j dkrR|dkrR| tj krR| d dkrRq4z t�| | | �}W n tj yv } zt|�tjkrqW Y d}~q4� d}~ww t|�� � tjd kr�|�tjtjd � |r�|�tjtjd � | tj kr�t td �r�|�tjtjd � | dd � \}}|dkr�|dur�t||gt | d d� � �} |� d� |� | � |� � d }|� |� |�!|� q4|S ) a Creates listening sockets bound to the given port and address. Returns a list of socket objects (multiple sockets are returned if the given address maps to multiple IP addresses, which is most common for mixed IPv4 and IPv6 use). Address may be either an IP address or hostname. If it's a hostname, the server will listen on all IP addresses associated with the name. Address may be an empty string or None to listen on all available interfaces. Family may be set to either `socket.AF_INET` or `socket.AF_INET6` to restrict to IPv4 or IPv6 addresses, otherwise both will be used if available. The ``backlog`` argument has the same meaning as for `socket.listen() <socket.socket.listen>`. ``flags`` is a bitmask of AI_* flags to `~socket.getaddrinfo`, like ``socket.AI_PASSIVE | socket.AI_NUMERICHOST``. ``reuse_port`` option sets ``SO_REUSEPORT`` option for every socket in the list. If your platform doesn't support this option ValueError will be raised. � SO_REUSEPORTz)the platform doesn't support SO_REUSEPORT� Nr �darwinZ localhostr �ntr( � IPPROTO_IPV6� )"�hasattr�socketr8 �has_ipv6� AF_UNSPEC�AF_INET� AI_PASSIVE�set� getaddrinfo� SOCK_STREAMr �platformr? r< r �errnoZ EAFNOSUPPORTr �fileno�os�name� setsockopt� SOL_SOCKET� SO_REUSEADDRr` rd � IPV6_V6ONLY�tuple�list� setblocking�bind� getsockname�listenrL )�port�address�family�backlog�flags� reuse_portZsocketsZ bound_port�res�af�socktype�proto� canonnameZsockaddr�sock�e�hostZrequested_portr r r � bind_socketsa sT � �� r� �AF_UNIXi� c C s� t � t jt j�}t|�� � |�t jt jd� |�d� zt � | �}W n t y= } zt |�t jkr3� W Y d}~nd}~ww t �|j�rJt �| � ntd| ��|�| � t �| |� |�|� |S )a( Creates a listening unix socket. If a socket with the given name already exists, it will be deleted. If any other file with that name exists, an exception will be raised. Returns a socket object (not a list of socket objects like `bind_sockets`) r( r Nz"File %s exists and is not a socket)rg r� rn r rq rt ru rv rz rr �statr; r rp �ENOENT�S_ISSOCK�st_mode�remover8 r{ �chmodr} )�file�moder� r� �st�errr r r �bind_unix_socket� s& ��� r� c s2 |du rt �� }� �fdd�}|��|t j� dS )a� Adds an `.IOLoop` event handler to accept new connections on ``sock``. When a connection is accepted, ``callback(connection, address)`` will be run (``connection`` is a socket object, and ``address`` is the address of the other end of the connection). Note that this signature is different from the ``callback(fd, events)`` signature used for `.IOLoop` handlers. .. versionchanged:: 4.1 The ``io_loop`` argument is deprecated. Nc s� t t�D ]?}z��� \}}W n) tjy7 } z t|�tv r%W Y d }~ d S t|�tjkr2W Y d }~q� d }~ww t |� � � � ||� qd S �N) �xrange�_DEFAULT_BACKLOG�acceptrg r< r �_ERRNO_WOULDBLOCKrp Z ECONNABORTEDr rq )�fd�events�i� connectionr r� ��callbackr� r r �accept_handler� s �� �z*add_accept_handler.<locals>.accept_handler)r �currentZ add_handlerZREAD)r� r� �io_loopr� r r� r �add_accept_handler� s r� c C sp | rd| v rdS zt �| dt jt jdt j�}t|�W S t jy7 } z|jd t jkr2W Y d}~dS � d}~ww )z_Returns true if the given string is a well-formed IP address. Supports IPv4 and IPv6. � Fr N) rg rm ri rn �AI_NUMERICHOST�bool�gaierror�args� EAI_NONAME)rE r� r� r r r � is_valid_ip s � ��r� c @ s@ e Zd ZdZedd� �Zedd� �Zejdfdd�Z d d � Z dS ) �Resolvera{ Configurable asynchronous DNS resolver interface. By default, a blocking implementation is used (which simply calls `socket.getaddrinfo`). An alternative implementation can be chosen with the `Resolver.configure <.Configurable.configure>` class method:: Resolver.configure('tornado.netutil.ThreadedResolver') The implementations of this interface included with Tornado are * `tornado.netutil.BlockingResolver` * `tornado.netutil.ThreadedResolver` * `tornado.netutil.OverrideResolver` * `tornado.platform.twisted.TwistedResolver` * `tornado.platform.caresresolver.CaresResolver` c C � t S r� )r� ��clsr r r �configurable_base/ � zResolver.configurable_basec C r� r� )�BlockingResolverr� r r r �configurable_default3 r� z Resolver.configurable_defaultNc C s t � �)a� Resolves an address. The ``host`` argument is a string which may be a hostname or a literal IP address. Returns a `.Future` whose result is a list of (family, address) pairs, where address is a tuple suitable to pass to `socket.connect <socket.socket.connect>` (i.e. a ``(host, port)`` pair for IPv4; additional fields may be present for IPv6). If a ``callback`` is passed, it will be run with the result as an argument when it is complete. :raises IOError: if the address cannot be resolved. .. versionchanged:: 4.4 Standardized all implementations to raise `IOError`. )�NotImplementedError)�selfr� r~ r� r� r r r �resolve7 s zResolver.resolvec C s dS )z[Closes the `Resolver`, freeing any resources used. .. versionadded:: 3.1 Nr �r� r r r �closeK s zResolver.close) r r r �__doc__� classmethodr� r� rg ri r� r� r r r r r� s r� c @ s4 e Zd ZdZd dd�Zdd� Zeejfdd ��Z dS ) �ExecutorResolvera� Resolver implementation using a `concurrent.futures.Executor`. Use this instead of `ThreadedResolver` when you require additional control over the executor being used. The executor will be shut down when the resolver is closed unless ``close_resolver=False``; use this if you want to reuse the same executor elsewhere. .. versionchanged:: 4.1 The ``io_loop`` argument is deprecated. NTc C s6 |pt �� | _|d ur|| _|| _d S t| _d| _d S )NF)r r� r� �executor�close_executorr )r� r� r� r� r r r � initializea s zExecutorResolver.initializec C s | j r| j�� d | _d S r� )r� r� �shutdownr� r r r r� j s zExecutorResolver.closec C s< t �|||t j�}g }|D ]\}}}}} |�|| f� q |S r� )rg rm rn rL ) r� r� r~ r� Zaddrinfo�resultsr� r� r� r r r r r� o s zExecutorResolver.resolve)NNT) r r r r� r� r� r rg ri r� r r r r r� T s r� c s" e Zd ZdZd� fdd� Z� ZS )r� z�Default `Resolver` implementation, using `socket.getaddrinfo`. The `.IOLoop` will be blocked during the resolution, although the callback will not be run until the next `.IOLoop` iteration. Nc s t t| �j|d� d S )N)r� )�superr� r� )r� r� �� __class__r r r� � s zBlockingResolver.initializer� )r r r r� r� � __classcell__r r r� r r� } s r� c s6 e Zd ZdZdZdZd� fdd� Zedd� �Z� Z S ) �ThreadedResolvera$ Multithreaded non-blocking `Resolver` implementation. Requires the `concurrent.futures` package to be installed (available in the standard library since Python 3.2, installable with ``pip install futures`` in older versions). The thread pool size can be configured with:: Resolver.configure('tornado.netutil.ThreadedResolver', num_threads=10) .. versionchanged:: 3.1 All ``ThreadedResolvers`` share a single thread pool, whose size is set by the first one to be created. N� c s$ t �|�}tt | �j||dd� d S )NF)r� r� r� )r� �_create_threadpoolr� r� )r� r� � num_threadsZ threadpoolr� r r r� � s �zThreadedResolver.initializec C sD t �� }| j|kr d | _| jd u r ddlm} ||�| _|| _| jS )Nr )�ThreadPoolExecutor)rr �getpid�_threadpool_pid� _threadpool�concurrent.futuresr� )r� r� �pidr� r r r r� � s z#ThreadedResolver._create_threadpool)Nr� ) r r r r� r� r� r� r� r� r� r r r� r r� � s r� c @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) �OverrideResolverz�Wraps a resolver with a mapping of overrides. This can be used to make local DNS changes (e.g. for testing) without modifying system-wide settings. The mapping can contain either host strings or host-port pairs. c C s || _ || _d S r� )�resolver�mapping)r� r� r� r r r r� � s zOverrideResolver.initializec C s | j �� d S r� )r� r� r� r r r r� � s zOverrideResolver.closec O sR ||f| j v r| j ||f \}}n || j v r| j | }| jj||g|�R i |��S r� )r� r� r� )r� r� r~ r� �kwargsr r r r� � s zOverrideResolver.resolveN)r r r r� r� r� r� r r r r r� � s r� )� ssl_version�certfile�keyfilerZ r[ �ciphersc C s� t | t�rtdd� | D ��sJ | ��ttd�r t | tj�r | S t�| �dtj��}d| v r9|�| d | �dd�� d| v rB| d |_ d | v rM|� | d � d | v rX|� | d � ttd �re| j tj O _ |S ) a� Try to convert an ``ssl_options`` dictionary to an `~ssl.SSLContext` object. The ``ssl_options`` dictionary contains keywords to be passed to `ssl.wrap_socket`. In Python 2.7.9+, `ssl.SSLContext` objects can be used instead. This function converts the dict form to its `~ssl.SSLContext` equivalent, and may be used when a component which accepts both forms needs to upgrade to the `~ssl.SSLContext` version to use features like SNI or NPN. c s s � | ]}|t v V qd S r� )�_SSL_CONTEXT_KEYWORDS)�.0�kr r r � <genexpr>� s � z)ssl_options_to_context.<locals>.<genexpr>rV r� r� r� NrZ r[ r� rY )r �dict�allrf �sslrV rK �PROTOCOL_SSLv23�load_cert_chain� verify_mode�load_verify_locations� set_ciphers�optionsrY )� ssl_options�contextr r r �ssl_options_to_context� s( � � r� c K sv t |�}ttd�r,t|tj�r,|dur#ttd�r#|j| fd|i|��S |j| fi |��S tj| fi t|fi |����S )aT Returns an ``ssl.SSLSocket`` wrapping the given socket. ``ssl_options`` may be either an `ssl.SSLContext` object or a dictionary (as accepted by `ssl_options_to_context`). Additional keyword arguments are passed to ``wrap_socket`` (either the `~ssl.SSLContext` method or the `ssl` module function as appropriate). rV N�HAS_SNI�server_hostname)r� rf r� r rV �getattr� wrap_socketr� )rg r� r� r� r� r r r �ssl_wrap_socket� s � r� r� )Lr� � __future__r r r rp rr r rg r� Zsalt.ext.tornado.concurrentr r Zsalt.ext.tornado.ioloopr Z salt.ext.tornado.platform.autor Zsalt.ext.tornado.utilr r r r� � ImportErrorZcertifirf �ranger� r Zssl_match_hostnamer ZSSLCertificateErrorr9 �_sslr r8 r$ r& r6 rB rF ro r �Purpose� SERVER_AUTH�whereZ_client_ssl_defaults� CLIENT_AUTHZ_server_ssl_defaultsrV r� � CERT_REQUIREDr� r� r� rY r� r% � EWOULDBLOCK�EAGAINr� r^ r� ri r� r� r� r� r� r� r� r� r� � frozensetr� r� r� r r r r �<module> s� � �� 5- > � ��� ��� � Z .7) & !
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