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__pycache__/transports.cpython-39.pyc 0000644 00000045103 15025012723 0013624 0 ustar 00 a 쑐c�| � @ sZ d dl Z d dlZd dlZd dlmZ d dlmZmZ d dlm Z d dl m Z z d dl Z d dl mZmZmZ W n* ey� d dlmZ eZeZeZY n0 dZdZG d d � d e�ZG d d � d e j�ZG d d� de�Z G dd� de�Z G dd� de �Z G dd� d�Z d%dd�Z d&dd�Z!G dd � d �Z"G d d � d �Z#d'd d �Z$d(d!d"�Z%e#Z&G d#d$� d$�Z'dS ))� N)� connections)�sstr�bstr)�SmartIO)� UserDictCase)�IntType� StringType�ListTypez2.8.62.8.6-8.el98.el9� c @ s e Zd ZdS )� NotProcessedN)�__name__� __module__� __qualname__� r r �2/usr/lib/python3.9/site-packages/rhn/transports.pyr $ s r c @ s� e Zd Zde Zd'dd�Zd(dd�Zd d � Zd d � Zd d� Z d)dd�Z dd� Z dd� Z dd� Z dd� Zdd� Zdd � Zd*d d �Zd d � Zd!d"� Zd#d$� Zd%d&� ZdS )+� Transportzrhn.rpclib.py/%sr Nc C sz d| _ ddd�| _| j||d� t� | _d| _d | _d| _d | _|| _ || _ d| _ d | _ d | _ d | _d | _|| _|| _d S )NFr ��transfer�encoding�POST� @ )Z_use_builtin_types�_transport_flags�set_transport_flagsr �_headers�verbose� connection�method�_lang�refreshCallback�progressCallback� bufferSize� headers_in�response_status�response_reason� _redirectedZ _use_datetime�timeout)�selfr r r r Z use_datetimer% r r r �__init__* s" zTransport.__init__r c C s || _ || _d S �N�r r )r& r r r r r �set_progress_callback? s z Transport.set_progress_callbackc C s || _ d S r( )r )r& r r r r �set_refresh_callbackD s z Transport.set_refresh_callbackc C s |d u r d}|| _ d S )Nr �r )r& r r r r �set_buffer_sizeJ s zTransport.set_buffer_sizec C s |dvrt d| ��|| _d S )N)ZGETr zUnknown request method %s)�IOErrorr )r& r r r r � set_methodR s zTransport.set_methodc K s< | j �|� |d ur || j d< |d ur0|| j d< | �� d S )Nr r )r �update�validate_transport_flags�r& r r �kwargsr r r r X s z Transport.set_transport_flagsc C s | j �� S r( )r �copy�r& r r r �get_transport_flagsc s z Transport.get_transport_flagsc C sH | j �d�}t|dd�}|| j d< | j �d�}t|dd�}|| j d< d S )Nr � )�strictr )r �get�lookupTransfer�lookupEncoding)r& r r r r r r1 f s z"Transport.validate_transport_flagsc C s@ t |�t g �t d�fv r.dd� |D �| j|< nt|�| j|< d S )Nr c S s g | ] }t |��qS r )�str)�.0�ar r r � <listcomp>t � z(Transport.set_header.<locals>.<listcomp>)�typer r< �r& �name�argr r r � set_headerq s zTransport.set_headerc C sF || j v r&| j | }t|t�s4|g}ng }| j |< |�t|�� d S r( )r � isinstancer �appendr< )r& rC rD Zvlistr r r � add_headerx s zTransport.add_headerc C s | j �� d S r( )r �clearr5 r r r � clear_headers� s zTransport.clear_headersc C s8 | j rtd|f � | jr*tj|| jd�S t�|�S d S )NzConnecting via http to %s)r% )r �printr% r �HTTPConnection�r& �hostr r r �get_connection� s zTransport.get_connectionc C sP || _ | �|�\}}}|s g }| �|�}|�| j� | j rJ|�| j d � t|| jd�}|jf i | j �� |� d| j� t | j � � �| D ]\} } |� | | � q�|� dd� |�|� dD ]} |�| � q�|�||�\} } | j �r td� | � � D ]\} } td| | f � q�| jd v �r.| d | _| j| _d S | | _| j| _| j| _| �| |�S ) Nr7 )r r z User-Agent� Content-Typeztext/xml)�Content-LengthZHostzIncoming headers:z %s : %s�i- i. ZLocation)r � get_host_inforO Zset_user_agent� user_agentZset_debuglevel�Outputr r r rE �listr �items�process� clear_header� send_httprK �statusr$ r" r! �reasonr# �_process_response)r& rN �handlerZ request_bodyr � extra_headers�x509r Zreq�header�value�h�headers�fdr r r �request� s< zTransport.requestc C sb t | j| j| jd�}|�|�}t|t�rPt|j|j |j | j| jd�}|j |_ |S |� � | � |�S )Nr) �r r ) �Inputr! r r �decoderF � InputStream�Filere �lengthrC �close�parse_response)r& re r Zresp�fr r r r] � s � �zTransport._process_responsec C s | j S r( )r$ r5 r r r � redirected� s zTransport.redirectedc C sb | � � \}}|�d�}|s qJ| jr*| �� | jr>tdt|�� |�|� q |�� |�� |�� S )N� zbody:)Z getparser�readr r rK �reprZfeedrm )r& ro �p�u�responser r r rn � s zTransport.parse_responsec C s || _ d S r( )r )r& �langr r r �setlang� s zTransport.setlang)r r NNNN)r )NN)r )r r r � __version__rT r' r* r+ r- r/ r r6 r1 rE rH rJ rO rf r] rp rn rx r r r r r ' s( � 8 r c @ s& e Zd Zd dd�Zdd� Zdd� ZdS ) � SafeTransportr Nc C s8 t j| |||||d� g | _|p"g D ]}| �|� q$d S �N)r r r% )r r' � trusted_certs�add_trusted_cert)r& r r r r r| r% �certfiler r r r' � s � zSafeTransport.__init__c C s* t �|t j�std| ��| j�|� d S �Nz%Certificate file %s is not accessible��os�access�R_OK� ValueErrorr| rG �r& r~ r r r r} s z SafeTransport.add_trusted_certc C sR | � |�\}}}| jr$td|f � | jr>tj|| j| jd�S tj|| jd�S d S )NzConnecting via https to %s)r| r% )r| )rS r rK r% r ZHTTPSConnectionr| )r& rN r_ r` r r r rO s ��z SafeTransport.get_connection)r r NNNN�r r r r' r} rO r r r r rz � s � rz c @ s e Zd Zddd�Zdd� ZdS )�ProxyTransportNr c C s, t j| |||||d� || _|| _|| _d S r{ )r r' �_proxy�_proxy_username�_proxy_password) r& �proxy� proxyUsername� proxyPasswordr r r r r% r r r r' s �zProxyTransport.__init__c C s^ | j r td|| j| j| jf � | jrBtj| j|| j| j| jd�S tj| j|| j| jd�S d S )Nz8Connecting via http to %s proxy %s, username %s, pass %s)�username�passwordr% )r� r� )r rK r� r� r� r% r ZHTTPProxyConnectionrM r r r rO # s � � �z ProxyTransport.get_connection)NNr r NNN)r r r r' rO r r r r r� s � r� c @ s& e Zd Zd dd�Zdd� Zdd� ZdS ) �SafeProxyTransportNr c C s> t j| |||||||| d� g | _|p(g D ]} | �| � q*d S )N)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' 0 s � zSafeProxyTransport.__init__c C s* t �|t j�std| ��| j�|� d S r r� r� r r r r} = s z#SafeProxyTransport.add_trusted_certc C sf | j r td|| j| j| jf � | jrFtj| j|| j| j| j| jd�S tj| j|| j| j| jd�S d S )Nz9Connecting via https to %s proxy %s, username %s, pass %s)r� r� r| r% )r� r� r| ) r rK r� r� r� r% r ZHTTPSProxyConnectionr| rM r r r rO B s � � �z!SafeProxyTransport.get_connection)NNr r NNNNr� r r r r r� / s � r� c @ s: e Zd Zd dd�Zejfdd�Zejfdd �Zd d � ZdS ) rh Nrq r c C s� d | _ d | _d | _d| _d| _d| _|| _|| _|| _|s�dt j v rTt j d � � | _ dt j v rnt j d � � | _dt j v r�t j d � � | _dt j v r�t t j d �| _dt j v r�t j d | _d t j v r�t j d | _n�|� � D ]�}|| }|� � }|d k�r"zt |�| _W n t�y d| _Y n0 q�|d k�r8|� � | _ q�|d k�rN|� � | _q�|d k�rd|� � | _q�|dk�rz|� � | _q�|dkr�|| _q�d | _d S )Nr �C� Z HTTP_CONTENT_TRANSFER_ENCODINGZHTTP_CONTENT_ENCODINGz CONTENT-TYPEZCONTENT_LENGTHZHTTP_ACCEPT_LANGUAGEZHTTP_X_PACKAGE_FILENAMEzcontent-lengthzcontent-transfer-encodingzcontent-encodingz content-typezaccept-languagezx-package-filename)r r rA rl rw rC r r � max_mem_sizer� �environ�lower�int�keysr� �io)r& rd r r r� ra rb rc r r r r' h sR zInput.__init__c C s� | j dkrd S | jr2t|| j| j| j| jd�| _n t|�| _| jrL| jdkrPd S | jdkr�dd l }| j}|� dd� t | jd�| _|� || j� n t | j��d S )N�application/octet-stream)r r r� �binary�base64r �r� )rA rl � _smart_readr r r� r� �_smart_total_readr r� �seekr ri �NotImplementedError)r& re r� Zold_ior r r rr � s$ � z Input.readc C s\ | j dkr t|| j| j|jd�S | js0| �|� t|d�rB|�� | jrR| jdkrTn�| jdv r�dd l }|� � }| j� dd� |� | j�� �|� � }~t|�| _t| jd�| _| j�|� n�| jdv �r dd l}| j� dd� |jd t| jd �}|�� }t|�| _t| jd�| _| j�|� n*| jd k�r:t| j| j��nt| j| j��| j� dd� | jS ) Nr� �rm rm �__plain)�x-zlib�deflater r� )�x-gzip�gzip�rb��mode� compresslevelZfileobj�x-gpg)rA rj rl rC rm r� rr �hasattrr �zlib� decompressobjr� � decompress�flush�lenr r� �writer� �GzipFile�COMPRESS_LEVELr� r )r& re r� �obj�datar� �gzr r r ri � s@ � z Input.decodec C s | j S r( )rw r5 r r r �getlang� s z Input.getlang)NNrq r ) r r r r' �sys�stdinrr ri r� r r r r rh g s � 80rh rq r c C s* t |d�}| �|�}|sq&|�|� q |S )z� Tries to read data from the supplied stream, and puts the results into a StmartIO object. 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rU rk r r r r �<module> sF V 8 � < 8 __pycache__/SSL.cpython-39.opt-1.pyc 0000644 00000016254 15025012723 0013012 0 ustar 00 a ꑐc-+ � @ s� d Z ddlmZ ddlmZ ddlZddlZddlZddlmZ ddl Z dZ e ed�r^ej Z n ddlm Z G d d � d �Zd d � ZG d d� dejej�ZdS )zK rhn.SSL builds an abstraction on top of the objects provided by pyOpenSSL � )�SSL)�cryptoN)�bstr�x �sslerror)� socket_errorc @ s� e Zd ZdZd(dd�Zdd� Zdd� Zd)d d �Zd d � Zd d� Z dd� Z dd� Z dd� Z dd� Z dd� Zd*dd�Zd+d d �Zd d � Zd d!� Zd"d#� Zd$d%� ZeZeZd,d&d'�ZdS )-� SSLSocketzM Class that wraps a pyOpenSSL Connection object, adding more methods Nc C sj d | _ d | _|| _g | _|p g }|D ]}| �|� q$tj| _tj| _ d| _ d| _ t d�| _ d| _d | _d S )Ni r � )�_ctx� _connection�_sock�_trusted_certs�add_trusted_certr Z SSLv23_METHOD� _ssl_methodZ VERIFY_PEER�_ssl_verify_flags� _buffer_size�_posr �_buffer�_makefile_called�_closed)�self�socketZ trusted_certs�f� r �+/usr/lib/python3.9/site-packages/rhn/SSL.py�__init__/ s zSSLSocket.__init__c C s0 t �|t j�std| ��| j�|�d�� dS )zh Adds a trusted certificate to the certificate store of the SSL context object. z"Unable to read certificate file %szutf-8N)�os�access�R_OK� ValueErrorr �append�encode)r �filer r r r L s zSSLSocket.add_trusted_certc C s� | � � t�| j�| _| j�tj� | j�tj� | jrR| jD ]}| j� |� q>nd| _ | j� | j t � t td�r�| j�tj� t�| j| j�| _| j�� dS )z1 Initializes the SSL connection. r � OP_DONT_INSERT_EMPTY_FRAGMENTSN)� _check_closedr ZContextr r Z set_optionsZ OP_NO_SSLv2Z OP_NO_SSLv3r Zload_verify_locationsr Z set_verify�ssl_verify_callback�hasattrr# Z Connectionr r Zset_connect_state)r r r r r �init_sslU s zSSLSocket.init_sslc C s |r || _ | jd | _| S )zG Returns self, since we are a file-like object already � )r r )r �mode�bufsizer r r �makefiles s zSSLSocket.makefilec C s, | j r dS | js | �� dS | jd | _dS )z+ Closes the SSL connection Nr( )r r � _really_close�r r r r �close� s zSSLSocket.closec C s d S �Nr r- r r r �flush� s zSSLSocket.flushc C s� | j d u rd S d }zt| j d�}W n ty@ t| j d�}Y n0 |d ur�tjd dkrn|� dkr�| j �� n|� dkr�| j �� | j �� d| _d S )NZ state_stringZget_state_stringr � s% SSL negotiation finished successfullyz%SSL negotiation finished successfullyr( )r �getattr�AttributeError�sys� version_infoZshutdownr. r )r Z get_stater r r r, � s zSSLSocket._really_closec C s | j rtd��d S )Nz I/O operation on closed file)r r r- r r r r$ � s zSSLSocket._check_closedc C s$ t | j|�rt| j|�S t|��d S r/ )r& r r2 r3 )r �namer r r � __getattr__� s zSSLSocket.__getattr__c C s dS )z' Returns false always. r r r- r r r �isatty� s zSSLSocket.isattyc C s | j S r/ )r r- r r r �tell� s zSSLSocket.tellr c C s t d��d S )N�seek)�NotImplementedError)r �posr) r r r r: � s zSSLSocket.seekc C sX | � � | j}t| j�}||k s*|du �r|dur@t|| |�}z>| j�|�}| j| | _t| j�}| j�� }|dkr|W �qW q tj y� Y �qY q tj y� t � � d }t d|j� Y �qY q tjy� | �tjd� Y q tj�y | �tjd� Y q0 q|�r4| jd|� }| j|d� | _n| j}td�| _| jt|� | _|S )z@ Reads up to amt bytes from the SSL connection. 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StringIO objects are very fast, because they are stored in memory, but if they are too big the memory footprint becomes noticeable. The write method of a SmartIO determines if the data that is to be added to the (initially) StrintIO object does not exceed a certain threshold; if it does, it switches the storage to a temporary disk file """ def __init__(self, max_mem_size=16384, force_mem=0): self._max_mem_size = max_mem_size self._io = StringIO() # self._fixed is a flag to show if we're supposed to consider moving # the StringIO object into a tempfile # Invariant: if self._fixed == 0, we have a StringIO (if self._fixed # is 1 and force_mem was 0, then we have a file) if force_mem: self._fixed = 1 else: self._fixed = 0 def set_max_mem_size(self, max_mem_size): self._max_mem_size = max_mem_size def get_max_mem_size(self): return self._max_mem_size def write(self, data): if not self._fixed: # let's consider moving it to a file if len(data) + self._io.tell() > self._max_mem_size: # We'll overflow, change to a tempfile tmpfile = _tempfile() tmpfile.write(self._io.getvalue()) self._fixed = 1 self._io = tmpfile self._io.write(data) def __getattr__(self, name): return getattr(self._io, name) # Creates a temporary file and passes back its file descriptor def _tempfile(): import tempfile (fd, fname) = tempfile.mkstemp(prefix="_rhn_transports-%d-" \ % os.getpid()) # tempfile, unlink it os.unlink(fname) return os.fdopen(fd, "wb+") rhnLockfile.py 0000644 00000006543 15025012723 0007363 0 ustar 00 # # Copyright (c) 2008--2016 Red Hat, Inc. # # This software is licensed to you under the GNU General Public License, # version 2 (GPLv2). There is NO WARRANTY for this software, express or # implied, including the implied warranties of MERCHANTABILITY or FITNESS # FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2 # along with this software; if not, see # http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. # # Red Hat trademarks are not licensed under GPLv2. No permission is # granted to use or replicate Red Hat trademarks that are incorporated # in this software or its documentation. # import os import sys import fcntl from errno import EWOULDBLOCK, EEXIST from rhn.i18n import bstr import fcntl class LockfileLockedException(Exception): """thrown ONLY when pid file is locked.""" pass class Lockfile: """class that provides simple access to a PID-style lockfile. methods: __init__(lockfile), acquire(), and release() NOTE: currently acquires upon init The *.pid file will be acquired, or an LockfileLockedException is raised. """ def __init__(self, lockfile, pid=None): """create (if need be), and acquire lock on lockfile lockfile example: '/var/run/up2date.pid' """ # cleanup the path and assign it. self.lockfile = os.path.abspath( os.path.expanduser( os.path.expandvars(lockfile))) self.pid = pid if not self.pid: self.pid = os.getpid() # create the directory structure dirname = os.path.dirname(self.lockfile) if not os.path.exists(dirname): try: os.makedirs(dirname) except OSError: e = sys.exc_info()[1] if hasattr(e, 'errno') and e.errno == EEXIST: # race condition... dirname exists now. pass else: raise # open the file -- non-destructive read-write, unless it needs # to be created XXX: potential race condition upon create? self.f = os.open(self.lockfile, os.O_RDWR|os.O_CREAT|os.O_SYNC) self.acquire() def acquire(self): """acquire the lock; else raise LockfileLockedException.""" try: fcntl.flock(self.f, fcntl.LOCK_EX|fcntl.LOCK_NB) except IOError: if sys.exc_info()[1].errno == EWOULDBLOCK: raise LockfileLockedException( "cannot acquire lock on %s." % self.lockfile, None, sys.exc_info()[2]) else: raise # unlock upon exit fcntl.fcntl(self.f, fcntl.F_SETFD, 1) # truncate and write the pid os.ftruncate(self.f, 0) os.write(self.f, bstr(str(self.pid) + '\n')) def release(self): # Remove the lock file os.unlink(self.lockfile) fcntl.flock(self.f, fcntl.LOCK_UN) os.close(self.f) def main(): """test code""" try: L = Lockfile('./test.pid') except LockfileLockedException: sys.stderr.write("%s\n" % sys.exc_info()[1]) sys.exit(-1) else: print("lock acquired ") print("...sleeping for 10 seconds") import time time.sleep(10) L.release() print("lock released ") if __name__ == '__main__': # test code sys.exit(main() or 0) connections.py 0000644 00000022760 15025012723 0007444 0 ustar 00 # # Connection objects # # Copyright (c) 2002--2016 Red Hat, Inc. # # Author: Mihai Ibanescu <misa@redhat.com> import base64 import encodings.idna import socket from platform import python_version from rhn import SSL from rhn import nonblocking from rhn import i18n try: # python2 import httplib # Import into the local namespace some httplib-related names from httplib import _CS_REQ_SENT, _CS_IDLE, ResponseNotReady import xmlrpclib except ImportError: # python3 import http.client as httplib # Import into the local namespace some httplib-related names from http.client import _CS_REQ_SENT, _CS_IDLE, ResponseNotReady import xmlrpc.client as xmlrpclib class HTTPResponse(httplib.HTTPResponse): def set_callback(self, rs, ws, ex, user_data, callback): if not isinstance(self.fp, nonblocking.NonBlockingFile): self.fp = nonblocking.NonBlockingFile(self.fp) self.fp.set_callback(rs, ws, ex, user_data, callback) class HTTPConnection(httplib.HTTPConnection): response_class = HTTPResponse def __init__(self, host, port=None, timeout=SSL.DEFAULT_TIMEOUT): if python_version() >= '2.6.1': httplib.HTTPConnection.__init__(self, host, port, timeout=timeout) else: httplib.HTTPConnection.__init__(self, host, port) self._cb_rs = [] self._cb_ws = [] self._cb_ex = [] self._cb_user_data = None self._cb_callback = None self._user_agent = "rhn.connections $Revision$ (python)" self.timeout = timeout def set_callback(self, rs, ws, ex, user_data, callback): # XXX check the params self._cb_rs = rs self._cb_ws = ws self._cb_ex = ex self._cb_user_data = user_data self._cb_callback = callback def set_user_agent(self, user_agent): self._user_agent = user_agent # XXX Had to copy the function from httplib.py, because the nonblocking # framework had to be initialized def getresponse(self): "Get the response from the server." # check if a prior response has been completed if self.__response and self.__response.isclosed(): self.__response = None # # if a prior response exists, then it must be completed (otherwise, we # cannot read this response's header to determine the connection-close # behavior) # # note: if a prior response existed, but was connection-close, then the # socket and response were made independent of this HTTPConnection # object since a new request requires that we open a whole new # connection # # this means the prior response had one of two states: # 1) will_close: this connection was reset and the prior socket and # response operate independently # 2) persistent: the response was retained and we await its # isclosed() status to become true. # if self.__state != _CS_REQ_SENT or self.__response: raise ResponseNotReady() if self.debuglevel > 0: response = self.response_class(self.sock, self.debuglevel) else: response = self.response_class(self.sock) # The only modification compared to the stock HTTPConnection if self._cb_callback: response.set_callback(self._cb_rs, self._cb_ws, self._cb_ex, self._cb_user_data, self._cb_callback) response.begin() assert response.will_close != httplib._UNKNOWN self.__state = _CS_IDLE if response.will_close: # this effectively passes the connection to the response self.close() else: # remember this, so we can tell when it is complete self.__response = response return response def connect(self): httplib.HTTPConnection.connect(self) self.sock.settimeout(self.timeout) class HTTPProxyConnection(HTTPConnection): def __init__(self, proxy, host, port=None, username=None, password=None, timeout=SSL.DEFAULT_TIMEOUT): # The connection goes through the proxy HTTPConnection.__init__(self, proxy, timeout=timeout) # save the proxy values self.__proxy, self.__proxy_port = self.host, self.port # self.host and self.port will point to the real host self._set_hostport(host, port) # save the host and port self._host, self._port = self.host, self.port # Authenticated proxies support self.__username = username self.__password = password def connect(self): # We are actually connecting to the proxy self._set_hostport(self.__proxy, self.__proxy_port) HTTPConnection.connect(self) # Restore the real host and port self._set_hostport(self._host, self._port) def putrequest(self, method, url, skip_host=0): # The URL has to include the real host hostname = self._host if self._port != self.default_port: hostname = hostname + ':' + str(self._port) newurl = "http://%s%s" % (hostname, url) # Piggyback on the parent class HTTPConnection.putrequest(self, method, newurl, skip_host=skip_host) # Add proxy-specific headers self._add_proxy_headers() def _add_proxy_headers(self): if not self.__username: return # Authenticated proxy userpass = "%s:%s" % (self.__username, self.__password) enc_userpass = base64.encodestring(i18n.bstr(userpass)).replace(i18n.bstr("\n"), i18n.bstr("")) self.putheader("Proxy-Authorization", "Basic %s" % i18n.sstr(enc_userpass)) def _set_hostport(self, host, port): (self.host, self.port) = self._get_hostport(host, port) class HTTPSConnection(HTTPConnection): response_class = HTTPResponse default_port = httplib.HTTPSConnection.default_port def __init__(self, host, port=None, trusted_certs=None, timeout=SSL.DEFAULT_TIMEOUT): HTTPConnection.__init__(self, host, port, timeout=timeout) trusted_certs = trusted_certs or [] self.trusted_certs = trusted_certs def connect(self): "Connect to a host on a given (SSL) port" results = socket.getaddrinfo(self.host, self.port, socket.AF_UNSPEC, socket.SOCK_STREAM) for r in results: af, socktype, proto, canonname, sa = r try: sock = socket.socket(af, socktype, proto) except socket.error: sock = None continue try: sock.connect((self.host, self.port)) sock.settimeout(self.timeout) except socket.error: sock.close() sock = None continue break if sock is None: raise socket.error("Unable to connect to the host and port specified") self.sock = SSL.SSLSocket(sock, self.trusted_certs) self.sock.init_ssl() class HTTPSProxyResponse(HTTPResponse): def begin(self): HTTPResponse.begin(self) self.will_close = 0 class HTTPSProxyConnection(HTTPProxyConnection): default_port = HTTPSConnection.default_port def __init__(self, proxy, host, port=None, username=None, password=None, trusted_certs=None, timeout=SSL.DEFAULT_TIMEOUT): HTTPProxyConnection.__init__(self, proxy, host, port, username, password, timeout=timeout) trusted_certs = trusted_certs or [] self.trusted_certs = trusted_certs def connect(self): # Set the connection with the proxy HTTPProxyConnection.connect(self) # Use the stock HTTPConnection putrequest host = "%s:%s" % (self._host, self._port) HTTPConnection.putrequest(self, "CONNECT", host) # Add proxy-specific stuff self._add_proxy_headers() # And send the request HTTPConnection.endheaders(self) # Save the response class response_class = self.response_class # And replace the response class with our own one, which does not # close the connection after self.response_class = HTTPSProxyResponse response = HTTPConnection.getresponse(self) # Restore the response class self.response_class = response_class # Close the response object manually response.close() if response.status != 200: # Close the connection manually self.close() raise xmlrpclib.ProtocolError(host, response.status, response.reason, response.msg) self.sock = SSL.SSLSocket(self.sock, self.trusted_certs) self.sock.init_ssl() def putrequest(self, method, url, skip_host=0): return HTTPConnection.putrequest(self, method, url, skip_host=skip_host) def _add_proxy_headers(self): HTTPProxyConnection._add_proxy_headers(self) # Add a User-Agent header self.putheader("User-Agent", self._user_agent) def idn_puny_to_unicode(hostname): """ Convert Internationalized domain name from Punycode (RFC3492) to Unicode """ if hostname is None: return None else: hostname = i18n.bstr(hostname) return hostname.decode('idna') def idn_ascii_to_puny(hostname): """ Convert domain name to Punycode (RFC3492). Hostname can be instance of string or Unicode """ if hostname is None: return None else: hostname = i18n.ustr(hostname) return i18n.ustr(hostname.encode('idna')) transports.py 0000644 00000076267 15025012723 0007354 0 ustar 00 # # Helper transport objects # # Copyright (c) 2002--2016 Red Hat, Inc. # # Author: Mihai Ibanescu <misa@redhat.com> # Based on what was previously shipped as cgiwrap: # - Cristian Gafton <gafton@redhat.com> # - Erik Troan <ewt@redhat.com> # Transport objects import os import sys import time from rhn import connections from rhn.i18n import sstr, bstr from rhn.SmartIO import SmartIO from rhn.UserDictCase import UserDictCase try: # python2 import xmlrpclib from types import IntType, StringType, ListType except ImportError: # python3 import xmlrpc.client as xmlrpclib IntType = int StringType = bytes ListType = list __version__ = "2.8.62.8.6-8.el98.el9" # XXX COMPRESS_LEVEL = 6 # Exceptions class NotProcessed(Exception): pass class Transport(xmlrpclib.Transport): user_agent = "rhn.rpclib.py/%s" % __version__ def __init__(self, transfer=0, encoding=0, refreshCallback=None, progressCallback=None, use_datetime=None, timeout=None): self._use_builtin_types = False self._transport_flags = {'transfer' : 0, 'encoding' : 0} self.set_transport_flags(transfer=transfer, encoding=encoding) self._headers = UserDictCase() self.verbose = 0 self.connection = None self.method = "POST" self._lang = None self.refreshCallback = refreshCallback self.progressCallback = progressCallback self.bufferSize = 16384 self.headers_in = None self.response_status = None self.response_reason = None self._redirected = None self._use_datetime = use_datetime self.timeout = timeout # set the progress callback def set_progress_callback(self, progressCallback, bufferSize=16384): self.progressCallback = progressCallback self.bufferSize = bufferSize # set the refresh callback def set_refresh_callback(self, refreshCallback): self.refreshCallback = refreshCallback # set the buffer size # The bigger this is, the faster the read is, but the more seldom is the # progress callback called def set_buffer_size(self, bufferSize): if bufferSize is None: # No buffer size specified; go with 16k bufferSize = 16384 self.bufferSize = bufferSize # set the request method def set_method(self, method): if method not in ("GET", "POST"): raise IOError("Unknown request method %s" % method) self.method = method # reset the transport options def set_transport_flags(self, transfer=None, encoding=None, **kwargs): # For backwards compatibility, we keep transfer and encoding as # positional parameters (they could come in as kwargs easily) self._transport_flags.update(kwargs) if transfer is not None: self._transport_flags['transfer'] = transfer if encoding is not None: self._transport_flags['encoding'] = encoding self.validate_transport_flags() def get_transport_flags(self): return self._transport_flags.copy() def validate_transport_flags(self): # Transfer and encoding are guaranteed to be there transfer = self._transport_flags.get('transfer') transfer = lookupTransfer(transfer, strict=1) self._transport_flags['transfer'] = transfer encoding = self._transport_flags.get('encoding') encoding = lookupEncoding(encoding, strict=1) self._transport_flags['encoding'] = encoding # Add arbitrary additional headers. def set_header(self, name, arg): if type(arg) in [ type([]), type(()) ]: # Multivalued header self._headers[name] = [str(a) for a in arg] else: self._headers[name] = str(arg) def add_header(self, name, arg): if name in self._headers: vlist = self._headers[name] if not isinstance(vlist, ListType): vlist = [ vlist ] else: vlist = self._headers[name] = [] vlist.append(str(arg)) def clear_headers(self): self._headers.clear() def get_connection(self, host): if self.verbose: print("Connecting via http to %s" % (host, )) if self.timeout: return connections.HTTPConnection(host, timeout=self.timeout) else: return connections.HTTPConnection(host) def request(self, host, handler, request_body, verbose=0): # issue XML-RPC request # XXX: automatically compute how to send depending on how much data # you want to send # XXX Deal with HTTP/1.1 if necessary self.verbose = verbose # implement BASIC HTTP AUTHENTICATION host, extra_headers, x509 = self.get_host_info(host) if not extra_headers: extra_headers = [] # Establish the connection connection = self.get_connection(host) # Setting the user agent. Only interesting for SSL tunnels, in any # other case the general headers are good enough. connection.set_user_agent(self.user_agent) if self.verbose: connection.set_debuglevel(self.verbose - 1) # Get the output object to push data with req = Output(connection=connection, method=self.method) req.set_transport_flags(**self._transport_flags) # Add the extra headers req.set_header('User-Agent', self.user_agent) for header, value in list(self._headers.items()) + extra_headers: # Output.set_header correctly deals with multivalued headers now req.set_header(header, value) # Content-Type req.set_header("Content-Type", "text/xml") req.process(request_body) # Host and Content-Length are set by HTTP*Connection for h in ['Content-Length', 'Host']: req.clear_header(h) headers, fd = req.send_http(host, handler) if self.verbose: print("Incoming headers:") for header, value in headers.items(): print("\t%s : %s" % (header, value)) if fd.status in (301, 302): self._redirected = headers["Location"] self.response_status = fd.status return None # Save the headers self.headers_in = headers self.response_status = fd.status self.response_reason = fd.reason return self._process_response(fd, connection) def _process_response(self, fd, connection): # Now use the Input class in case we get an enhanced response resp = Input(self.headers_in, progressCallback=self.progressCallback, bufferSize=self.bufferSize) fd = resp.decode(fd) if isinstance(fd, InputStream): # When the File object goes out of scope, so will the InputStream; # that will eventually call the connection's close() method and # cleanly reap it f = File(fd.fd, fd.length, fd.name, bufferSize=self.bufferSize, progressCallback=self.progressCallback) # Set the File's close method to the connection's # Note that calling the HTTPResponse's close() is not enough, # since the main socket would remain open, and this is # particularily bad with SSL f.close = connection.close return f # We can safely close the connection now; if we had an # application/octet/stream (for which Input.read passes the original # socket object), Input.decode would return an InputStream, # so we wouldn't reach this point connection.close() return self.parse_response(fd) # Give back the new URL if redirected def redirected(self): return self._redirected # Rewrite parse_response to provide refresh callbacks def parse_response(self, f): # read response from input file, and parse it p, u = self.getparser() while 1: response = f.read(1024) if not response: break if self.refreshCallback: self.refreshCallback() if self.verbose: print("body:", repr(response)) p.feed(response) f.close() p.close() return u.close() def setlang(self, lang): self._lang = lang class SafeTransport(Transport): def __init__(self, transfer=0, encoding=0, refreshCallback=None, progressCallback=None, trusted_certs=None, timeout=None): Transport.__init__(self, transfer, encoding, refreshCallback=refreshCallback, progressCallback=progressCallback, timeout=timeout) self.trusted_certs = [] for certfile in (trusted_certs or []): self.add_trusted_cert(certfile) def add_trusted_cert(self, certfile): if not os.access(certfile, os.R_OK): raise ValueError("Certificate file %s is not accessible" % certfile) self.trusted_certs.append(certfile) def get_connection(self, host): # implement BASIC HTTP AUTHENTICATION host, extra_headers, x509 = self.get_host_info(host) if self.verbose: print("Connecting via https to %s" % (host, )) if self.timeout: return connections.HTTPSConnection(host, trusted_certs=self.trusted_certs, timeout=self.timeout) else: return connections.HTTPSConnection(host, trusted_certs=self.trusted_certs) class ProxyTransport(Transport): def __init__(self, proxy, proxyUsername=None, proxyPassword=None, transfer=0, encoding=0, refreshCallback=None, progressCallback=None, timeout=None): Transport.__init__(self, transfer, encoding, refreshCallback=refreshCallback, progressCallback=progressCallback, timeout=timeout) self._proxy = proxy self._proxy_username = proxyUsername self._proxy_password = proxyPassword def get_connection(self, host): if self.verbose: print("Connecting via http to %s proxy %s, username %s, pass %s" % ( host, self._proxy, self._proxy_username, self._proxy_password)) if self.timeout: return connections.HTTPProxyConnection(self._proxy, host, username=self._proxy_username, password=self._proxy_password, timeout=self.timeout) else: return connections.HTTPProxyConnection(self._proxy, host, username=self._proxy_username, password=self._proxy_password) class SafeProxyTransport(ProxyTransport): def __init__(self, proxy, proxyUsername=None, proxyPassword=None, transfer=0, encoding=0, refreshCallback=None, progressCallback=None, trusted_certs=None, timeout=None): ProxyTransport.__init__(self, proxy, proxyUsername=proxyUsername, proxyPassword=proxyPassword, transfer=transfer, encoding=encoding, refreshCallback=refreshCallback, progressCallback=progressCallback, timeout=timeout) self.trusted_certs = [] for certfile in (trusted_certs or []): self.add_trusted_cert(certfile) def add_trusted_cert(self, certfile): if not os.access(certfile, os.R_OK): raise ValueError("Certificate file %s is not accessible" % certfile) self.trusted_certs.append(certfile) def get_connection(self, host): if self.verbose: print("Connecting via https to %s proxy %s, username %s, pass %s" % ( host, self._proxy, self._proxy_username, self._proxy_password)) if self.timeout: return connections.HTTPSProxyConnection(self._proxy, host, username=self._proxy_username, password=self._proxy_password, trusted_certs=self.trusted_certs, timeout=self.timeout) else: return connections.HTTPSProxyConnection(self._proxy, host, username=self._proxy_username, password=self._proxy_password, trusted_certs=self.trusted_certs) # ============================================================================ # Extended capabilities for transport # # We allow for the following possible headers: # # Content-Transfer-Encoding: # This header tells us how the POST data is encoded in what we read. # If it is not set, we assume plain text that can be passed along # without any other modification. If set, valid values are: # - binary : straight binary data # - base64 : will pass through base64 decoder to get the binary data # # Content-Encoding: # This header tells us what should we do with the binary data obtained # after acting on the Content-Transfer-Encoding header. Valid values: # - x-gzip : will need to pass through GNU gunzip-like to get plain # text out # - x-zlib : this denotes the Python's own zlib bindings which are a # datastream based on gzip, but not quite # - x-gpg : will need to pass through GPG to get out the text we want # ============================================================================ # Input class to automate reading the posting from the network # Having to work with environment variables blows, though class Input: def __init__(self, headers=None, progressCallback=None, bufferSize=1024, max_mem_size=16384): self.transfer = None self.encoding = None self.type = None self.length = 0 self.lang = "C" self.name = "" self.progressCallback = progressCallback self.bufferSize = bufferSize self.max_mem_size = max_mem_size if not headers: # we need to get them from environment if "HTTP_CONTENT_TRANSFER_ENCODING" in os.environ: self.transfer = os.environ["HTTP_CONTENT_TRANSFER_ENCODING"].lower() if "HTTP_CONTENT_ENCODING" in os.environ: self.encoding = os.environ["HTTP_CONTENT_ENCODING"].lower() if "CONTENT-TYPE" in os.environ: self.type = os.environ["CONTENT-TYPE"].lower() if "CONTENT_LENGTH" in os.environ: self.length = int(os.environ["CONTENT_LENGTH"]) if "HTTP_ACCEPT_LANGUAGE" in os.environ: self.lang = os.environ["HTTP_ACCEPT_LANGUAGE"] if "HTTP_X_PACKAGE_FILENAME" in os.environ: self.name = os.environ["HTTP_X_PACKAGE_FILENAME"] else: # The stupid httplib screws up the headers from the HTTP repsonse # and converts them to lowercase. This means that we have to # convert to lowercase all the dictionary keys in case somebody calls # us with sane values --gaftonc (actually mimetools is the culprit) for header in headers.keys(): value = headers[header] h = header.lower() if h == "content-length": try: self.length = int(value) except ValueError: self.length = 0 elif h == "content-transfer-encoding": # RFC 2045 #6.1: case insensitive self.transfer = value.lower() elif h == "content-encoding": # RFC 2616 #3.5: case insensitive self.encoding = value.lower() elif h == "content-type": # RFC 2616 #3.7: case insensitive self.type = value.lower() elif h == "accept-language": # RFC 2616 #3.10: case insensitive self.lang = value.lower() elif h == "x-package-filename": self.name = value self.io = None def read(self, fd = sys.stdin): # The octet-streams are passed right back if self.type == "application/octet-stream": return if self.length: # Read exactly the amount of data we were told self.io = _smart_read(fd, self.length, bufferSize=self.bufferSize, progressCallback=self.progressCallback, max_mem_size=self.max_mem_size) else: # Oh well, no clue; read until EOF (hopefully) self.io = _smart_total_read(fd) if not self.transfer or self.transfer == "binary": return elif self.transfer == "base64": import base64 old_io = self.io old_io.seek(0, 0) self.io = SmartIO(max_mem_size=self.max_mem_size) base64.decode(old_io, self.io) else: raise NotImplementedError(self.transfer) def decode(self, fd = sys.stdin): # The octet-stream data are passed right back if self.type == "application/octet-stream": return InputStream(fd, self.length, self.name, close=fd.close) if not self.io: self.read(fd) # At this point self.io exists (the only case when self.read() does # not initialize self.io is when content-type is # "application/octet-stream" - and we already dealt with that case # We can now close the file descriptor if hasattr(fd, "close"): fd.close() # Now we have the binary goo if not self.encoding or self.encoding == "__plain": # all is fine. pass elif self.encoding in ("x-zlib", "deflate"): import zlib obj = zlib.decompressobj() self.io.seek(0, 0) data = obj.decompress(self.io.read()) + obj.flush() del obj self.length = len(data) self.io = SmartIO(max_mem_size=self.max_mem_size) self.io.write(data) elif self.encoding in ("x-gzip", "gzip"): import gzip self.io.seek(0, 0) gz = gzip.GzipFile(mode="rb", compresslevel = COMPRESS_LEVEL, fileobj=self.io) data = gz.read() self.length = len(data) self.io = SmartIO(max_mem_size=self.max_mem_size) self.io.write(data) elif self.encoding == "x-gpg": # XXX: should be written raise NotImplementedError(self.transfer, self.encoding) else: raise NotImplementedError(self.transfer, self.encoding) # Play nicely and rewind the file descriptor self.io.seek(0, 0) return self.io def getlang(self): return self.lang # Utility functions def _smart_total_read(fd, bufferSize=1024, max_mem_size=16384): """ Tries to read data from the supplied stream, and puts the results into a StmartIO object. The data will be in memory or in a temporary file, depending on how much it's been read Returns a SmartIO object """ io = SmartIO(max_mem_size=max_mem_size) while 1: chunk = fd.read(bufferSize) if not chunk: # EOF reached break io.write(chunk) return io def _smart_read(fd, amt, bufferSize=1024, progressCallback=None, max_mem_size=16384): # Reads amt bytes from fd, or until the end of file, whichever # occurs first # The function will read in memory if the amout to be read is smaller than # max_mem_size, or to a temporary file otherwise # # Unlike read(), _smart_read tries to return exactly the requested amount # (whereas read will return _up_to_ that amount). Reads from sockets will # usually reaturn less data, or the read can be interrupted # # Inspired by Greg Stein's httplib.py (the standard in python 2.x) # # support for progress callbacks added startTime = time.time() lastTime = startTime buf = SmartIO(max_mem_size=max_mem_size) origsize = amt while amt > 0: curTime = time.time() l = min(bufferSize, amt) chunk = fd.read(l) # read guarantees that len(chunk) <= l l = len(chunk) if not l: # Oops. Most likely EOF break # And since the original l was smaller than amt, we know amt >= 0 amt = amt - l buf.write(chunk) if progressCallback is None: # No progress callback, so don't do fancy computations continue # We update the progress callback if: # we haven't updated it for more than a secord, or # it's the last read (amt == 0) if curTime - lastTime >= 1 or amt == 0: lastTime = curTime # use float() so that we force float division in the next step bytesRead = float(origsize - amt) # if amt == 0, on a fast machine it is possible to have # curTime - lastTime == 0, so add an epsilon to prevent a division # by zero speed = bytesRead / ((curTime - startTime) + .000001) if origsize == 0: secs = 0 else: # speed != 0 because bytesRead > 0 # (if bytesRead == 0 then origsize == amt, which means a read # of 0 length; but that's impossible since we already checked # that l is non-null secs = amt / speed progressCallback(bytesRead, origsize, speed, secs) # Now rewind the SmartIO buf.seek(0, 0) return buf class InputStream: def __init__(self, fd, length, name = "<unknown>", close=None): self.fd = fd self.length = int(length) self.name = name # Close function self.close = close def __repr__(self): return "Input data is a stream of %d bytes for file %s.\n" % (self.length, self.name) # ============================================================================ # Output class that will be used to build the temporary output string class BaseOutput: # DEFINES for instances use # Content-Encoding ENCODE_NONE = 0 ENCODE_GZIP = 1 ENCODE_ZLIB = 2 ENCODE_GPG = 3 # Content-Transfer-Encoding TRANSFER_NONE = 0 TRANSFER_BINARY = 1 TRANSFER_BASE64 = 2 # Mappings to make things easy encodings = [ [None, "__plain"], # ENCODE_NONE ["x-gzip", "gzip"], # ENCODE_GZIP ["x-zlib", "deflate"], # ENCODE_ZLIB ["x-gpg"], # ENCODE_GPG ] transfers = [ None, # TRANSFER_NONE "binary", # TRANSFRE_BINARY "base64", # TRANSFER_BASE64 ] def __init__(self, transfer=0, encoding=0, connection=None, method="POST"): # Assumes connection is an instance of HTTPConnection if connection: if not isinstance(connection, connections.HTTPConnection): raise Exception("Expected an HTTPConnection type object") self.method = method # Store the connection self._connection = connection self.data = None self.headers = UserDictCase() self.encoding = 0 self.transfer = 0 self.transport_flags = {} # for authenticated proxies self.username = None self.password = None # Fields to keep the information about the server self._host = None self._handler = None self._http_type = None self._protocol = None # Initialize self.transfer and self.encoding self.set_transport_flags(transfer=transfer, encoding=encoding) # internal flags self.__processed = 0 def set_header(self, name, arg): if type(arg) in [ type([]), type(()) ]: # Multi-valued header # # Per RFC 2616, section 4.2 (Message Headers): # Multiple message-header fields with the same field-name MAY be # present in a message if and only if the entire field-value for # the header field is defined as a comma-separated list [i.e. # #(values)]. It MUST be possible to combine the multiple header # fields into one "field-name: field-value" pair, without # changing the semantics of the message, by appending each # subsequent field-value to the first, each separated by a comma. self.headers[name] = ','.join(map(str, arg)) else: self.headers[name] = str(arg) def clear_header(self, name): if name in self.headers: del self.headers[name] def process(self, data): # Assume straight text/xml self.data = data # Content-Encoding header if self.encoding == self.ENCODE_GZIP: import gzip encoding_name = self.encodings[self.ENCODE_GZIP][0] self.set_header("Content-Encoding", encoding_name) f = SmartIO(force_mem=1) gz = gzip.GzipFile(mode="wb", compresslevel=COMPRESS_LEVEL, fileobj = f) if sys.version_info[0] == 3: gz.write(bstr(data)) else: gz.write(sstr(data)) gz.close() self.data = f.getvalue() f.close() elif self.encoding == self.ENCODE_ZLIB: import zlib encoding_name = self.encodings[self.ENCODE_ZLIB][0] self.set_header("Content-Encoding", encoding_name) obj = zlib.compressobj(COMPRESS_LEVEL) self.data = obj.compress(data) + obj.flush() elif self.encoding == self.ENCODE_GPG: # XXX: fix me. raise NotImplementedError(self.transfer, self.encoding) encoding_name = self.encodings[self.ENCODE_GPG][0] self.set_header("Content-Encoding", encoding_name) # Content-Transfer-Encoding header if self.transfer == self.TRANSFER_BINARY: transfer_name = self.transfers[self.TRANSFER_BINARY] self.set_header("Content-Transfer-Encoding", transfer_name) self.set_header("Content-Type", "application/binary") elif self.transfer == self.TRANSFER_BASE64: import base64 transfer_name = self.transfers[self.TRANSFER_BASE64] self.set_header("Content-Transfer-Encoding", transfer_name) self.set_header("Content-Type", "text/base64") self.data = base64.encodestring(self.data) self.set_header("Content-Length", len(self.data)) rpc_version = __version__ if len(__version__.split()) > 1: rpc_version = __version__.split()[1] # other headers self.set_header("X-Transport-Info", 'Extended Capabilities Transport (C) Red Hat, Inc (version %s)' % rpc_version) self.__processed = 1 # reset the transport options def set_transport_flags(self, transfer=0, encoding=0, **kwargs): self.transfer = transfer self.encoding = encoding self.transport_flags.update(kwargs) def send_http(self, host, handler="/RPC2"): if not self.__processed: raise NotProcessed self._host = host if self._connection is None: raise Exception("No connection object found") self._connection.connect() # wrap self data into binary object, otherwise HTTPConnection.request # will encode it as ISO-8859-1 https://docs.python.org/3/library/http.client.html#httpconnection-objects self._connection.request(self.method, handler, body=bstr(self.data), headers=self.headers) response = self._connection.getresponse() if not self.response_acceptable(response): raise xmlrpclib.ProtocolError("%s %s" % (self._host, handler), response.status, response.reason, response.msg) # A response object has read() and close() methods, so we can safely # pass the whole object back return response.msg, response def response_acceptable(self, response): """Returns true if the response is acceptable""" if response.status == 200: return 1 if response.status in (301, 302): return 1 if response.status != 206: return 0 # If the flag is not set, it's unacceptable if not self.transport_flags.get('allow_partial_content'): return 0 if response.msg['Content-Type'] != 'application/octet-stream': # Don't allow anything else to be requested as a range, it could # break the XML parser return 0 return 1 def close(self): if self._connection: self._connection.close() self._connection = None def lookupTransfer(transfer, strict=0): """Given a string or numeric representation of a transfer, return the transfer code""" if transfer is None: # Plain return 0 if isinstance(transfer, IntType) and 0 <= transfer < len(Output.transfers): return transfer if isinstance(transfer, StringType): for i in range(len(Output.transfers)): if Output.transfers[i] == transfer.lower(): return i if strict: raise ValueError("Unsupported transfer %s" % transfer) # Return default return 0 def lookupEncoding(encoding, strict=0): """Given a string or numeric representation of an encoding, return the encoding code""" if encoding is None: # Plain return 0 if isinstance(encoding, IntType) and 0 <= encoding < len(Output.encodings): return encoding if isinstance(encoding, StringType): for i in range(len(Output.encodings)): if encoding.lower() in Output.encodings[i]: return i if strict: raise ValueError("Unsupported encoding %s" % encoding) # Return default return 0 Output = BaseOutput # File object class File: def __init__(self, file_obj, length = 0, name = None, progressCallback=None, bufferSize=16384): self.length = length self.file_obj = file_obj self.close = file_obj.close self.bufferSize=bufferSize self.name = "" if name: self.name = name[name.rfind("/")+1:] self.progressCallback = progressCallback def __len__(self): return self.length def read(self, amt=None): # If they want to read everything, use _smart_read if amt is None: fd = self._get_file() return fd.read() return self.file_obj.read(amt) def read_to_file(self, file): """Copies the contents of this File object into another file object""" fd = self._get_file() while 1: buf = fd.read(self.bufferSize) if not buf: break if sys.version_info[0] == 3: file.write(bstr(buf)) else: file.write(sstr(buf)) return file def _get_file(self): """Read everything into a temporary file and call the progress callbacks if the file length is defined, or just reads till EOF""" if self.length: io = _smart_read(self.file_obj, self.length, bufferSize=self.bufferSize, progressCallback=self.progressCallback) io.seek(0, 0) else: # Read everuthing - no callbacks involved io = _smart_total_read(self.file_obj, bufferSize=self.bufferSize) io.seek(0, 0) return io def __del__(self): if self.close: self.close() self.close = None rpclib.py 0000644 00000057266 15025012723 0006406 0 ustar 00 # # This module contains all the RPC-related functions the RHN code uses # # Copyright (c) 2005--2016 Red Hat, Inc. # # This software is licensed to you under the GNU General Public License, # version 2 (GPLv2). There is NO WARRANTY for this software, express or # implied, including the implied warranties of MERCHANTABILITY or FITNESS # FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2 # along with this software; if not, see # http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. # # Red Hat trademarks are not licensed under GPLv2. No permission is # granted to use or replicate Red Hat trademarks that are incorporated # in this software or its documentation. # __version__ = "2.8.62.8.6-8.el98.el9" import socket import re import sys from rhn import transports from rhn.i18n import sstr from rhn.UserDictCase import UserDictCase try: # python2 import xmlrpclib from types import ListType, TupleType, StringType, UnicodeType, DictType, DictionaryType from urllib import splittype, splithost except ImportError: # python3 import xmlrpc.client as xmlrpclib ListType = list TupleType = tuple StringType = bytes UnicodeType = str DictType = dict DictionaryType = dict from urllib.parse import splittype, splithost # Redirection handling MAX_REDIRECTIONS = 5 def check_ipv6(n): """ Returns true if n is IPv6 address, false otherwise. """ try: socket.inet_pton(socket.AF_INET6, n) return True except: return False def split_host(hoststring): """ Function used to split host information in an URL per RFC 2396 handle full hostname like user:passwd@host:port """ l = hoststring.split('@', 1) host = None port = None user = None passwd = None if len(l) == 2: hostport = l[1] # userinfo present userinfo = l[0].split(':', 1) user = userinfo[0] if len(userinfo) == 2: passwd = userinfo[1] else: hostport = l[0] # Now parse hostport if hostport[0] == '[': # IPv6 with port host, port = re.split('(?<=\]):', ip_port, 1) host = host.lstrip('[').rstrip(']') elif check_ipv6(hostport): # just IPv6 host = hostport else: # IPv4 arr = hostport.split(':', 1) host = arr[0] if len(arr) == 2: port = arr[1] return (host, port, user, passwd) def get_proxy_info(proxy): if proxy == None: raise ValueError("Host string cannot be null") arr = proxy.split('://', 1) if len(arr) == 2: # scheme found, strip it proxy = arr[1] return split_host(proxy) class MalformedURIError(IOError): pass # Originaly taken from xmlrpclib.ServerProxy, now changed most of the code class Server: """uri [,options] -> a logical connection to an XML-RPC server uri is the connection point on the server, given as scheme://host/target. The standard implementation always supports the "http" scheme. If SSL socket support is available (Python 2.0), it also supports "https". If the target part and the slash preceding it are both omitted, "/RPC2" is assumed. The following options can be given as keyword arguments: transport: a transport factory encoding: the request encoding (default is UTF-8) verbose: verbosity level proxy: use an HTTP proxy username: username for authenticated HTTP proxy password: password for authenticated HTTP proxy All 8-bit strings passed to the server proxy are assumed to use the given encoding. """ # Default factories _transport_class = transports.Transport _transport_class_https = transports.SafeTransport _transport_class_proxy = transports.ProxyTransport _transport_class_https_proxy = transports.SafeProxyTransport def __init__(self, uri, transport=None, encoding=None, verbose=0, proxy=None, username=None, password=None, refreshCallback=None, progressCallback=None, timeout=None): # establish a "logical" server connection # # First parse the proxy information if available # if proxy != None: (ph, pp, pu, pw) = get_proxy_info(proxy) if pp is not None: proxy = "%s:%s" % (ph, pp) else: proxy = ph # username and password will override whatever was passed in the # URL if pu is not None and username is None: username = pu if pw is not None and password is None: password = pw self._uri = sstr(uri) self._refreshCallback = None self._progressCallback = None self._bufferSize = None self._proxy = proxy self._username = username self._password = password self._timeout = timeout if len(__version__.split()) > 1: self.rpc_version = __version__.split()[1] else: self.rpc_version = __version__ self._reset_host_handler_and_type() if transport is None: self._allow_redirect = 1 transport = self.default_transport(self._type, proxy, username, password, timeout) else: # # dont allow redirect on unknow transports, that should be # set up independantly # self._allow_redirect = 0 self._redirected = None self.use_handler_path = 1 self._transport = transport self._trusted_cert_files = [] self._lang = None self._encoding = encoding self._verbose = verbose self.set_refresh_callback(refreshCallback) self.set_progress_callback(progressCallback) # referer, which redirect us to new handler self.send_handler=None self._headers = UserDictCase() def default_transport(self, type, proxy=None, username=None, password=None, timeout=None): if proxy: if type == 'https': transport = self._transport_class_https_proxy(proxy, proxyUsername=username, proxyPassword=password, timeout=timeout) else: transport = self._transport_class_proxy(proxy, proxyUsername=username, proxyPassword=password, timeout=timeout) else: if type == 'https': transport = self._transport_class_https(timeout=timeout) else: transport = self._transport_class(timeout=timeout) return transport def allow_redirect(self, allow): self._allow_redirect = allow def redirected(self): if not self._allow_redirect: return None return self._redirected def set_refresh_callback(self, refreshCallback): self._refreshCallback = refreshCallback self._transport.set_refresh_callback(refreshCallback) def set_buffer_size(self, bufferSize): self._bufferSize = bufferSize self._transport.set_buffer_size(bufferSize) def set_progress_callback(self, progressCallback, bufferSize=16384): self._progressCallback = progressCallback self._transport.set_progress_callback(progressCallback, bufferSize) def _req_body(self, params, methodname): return xmlrpclib.dumps(params, methodname, encoding=self._encoding) def get_response_headers(self): if self._transport: return self._transport.headers_in return None def get_response_status(self): if self._transport: return self._transport.response_status return None def get_response_reason(self): if self._transport: return self._transport.response_reason return None def get_content_range(self): """Returns a dictionary with three values: length: the total length of the entity-body (can be None) first_byte_pos: the position of the first byte (zero based) last_byte_pos: the position of the last byte (zero based) The range is inclusive; that is, a response 8-9/102 means two bytes """ headers = self.get_response_headers() if not headers: return None content_range = headers.get('Content-Range') if not content_range: return None arr = filter(None, content_range.split()) assert arr[0] == "bytes" assert len(arr) == 2 arr = arr[1].split('/') assert len(arr) == 2 brange, total_len = arr if total_len == '*': # Per RFC, the server is allowed to use * if the length of the # entity-body is unknown or difficult to determine total_len = None else: total_len = int(total_len) start, end = brange.split('-') result = { 'length' : total_len, 'first_byte_pos' : int(start), 'last_byte_pos' : int(end), } return result def accept_ranges(self): headers = self.get_response_headers() if not headers: return None if 'Accept-Ranges' in headers: return headers['Accept-Ranges'] return None def _reset_host_handler_and_type(self): """ Reset the attributes: self._host, self._handler, self._type according the value of self._uri. """ # get the url type, uri = splittype(self._uri) if type is None: raise MalformedURIError("missing protocol in uri") # with a real uri passed in, uri will now contain "//hostname..." so we # need at least 3 chars for it to maybe be ok... if len(uri) < 3 or uri[0:2] != "//": raise MalformedURIError if type != None: self._type = type.lower() else: self._type = type if self._type not in ("http", "https"): raise IOError("unsupported XML-RPC protocol") self._host, self._handler = splithost(uri) if not self._handler: self._handler = "/RPC2" def _strip_characters(self, *args): """ Strip characters, which are not allowed according: http://www.w3.org/TR/2006/REC-xml-20060816/#charsets From spec: Char ::= #x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD] | [#x10000-#x10FFFF] /* any Unicode character, excluding the surrogate blocks, FFFE, and FFFF. */ """ regexp = r'[\x00-\x09]|[\x0b-\x0c]|[\x0e-\x1f]' result=[] for item in args: item_type = type(item) if item_type == StringType or item_type == UnicodeType: item = re.sub(regexp, '', sstr(item)) elif item_type == TupleType: item = tuple(self._strip_characters(i) for i in item) elif item_type == ListType: item = [self._strip_characters(i) for i in item] elif item_type == DictType or item_type == DictionaryType: item = dict([(self._strip_characters(name, val)) for name, val in item.items()]) # else: some object - should take care of himself # numbers - are safe result.append(item) if len(result) == 1: return result[0] else: return tuple(result) def _request(self, methodname, params): """ Call a method on the remote server we can handle redirections. """ # the loop is used to handle redirections redirect_response = 0 retry = 0 self._reset_host_handler_and_type() while 1: if retry >= MAX_REDIRECTIONS: raise InvalidRedirectionError( "Unable to fetch requested Package") # Clear the transport headers first self._transport.clear_headers() for k, v in self._headers.items(): self._transport.set_header(k, v) self._transport.add_header("X-Info", 'RPC Processor (C) Red Hat, Inc (version %s)' % self.rpc_version) # identify the capability set of this client to the server self._transport.set_header("X-Client-Version", 1) if self._allow_redirect: # Advertise that we follow redirects #changing the version from 1 to 2 to support backward compatibility self._transport.add_header("X-RHN-Transport-Capability", "follow-redirects=3") if redirect_response: self._transport.add_header('X-RHN-Redirect', '0') if self.send_handler: self._transport.add_header('X-RHN-Path', self.send_handler) request = self._req_body(self._strip_characters(params), methodname) try: response = self._transport.request(self._host, \ self._handler, request, verbose=self._verbose) save_response = self._transport.response_status except xmlrpclib.ProtocolError: if self.use_handler_path: raise else: save_response = sys.exc_info()[1].errcode self._redirected = None retry += 1 if save_response == 200: # exit redirects loop and return response break elif save_response not in (301, 302): # Retry pkg fetch self.use_handler_path = 1 continue # rest of loop is run only if we are redirected (301, 302) self._redirected = self._transport.redirected() self.use_handler_path = 0 redirect_response = 1 if not self._allow_redirect: raise InvalidRedirectionError("Redirects not allowed") if self._verbose: print("%s redirected to %s" % (self._uri, self._redirected)) typ, uri = splittype(self._redirected) if typ != None: typ = typ.lower() if typ not in ("http", "https"): raise InvalidRedirectionError( "Redirected to unsupported protocol %s" % typ) # # We forbid HTTPS -> HTTP for security reasons # Note that HTTP -> HTTPS -> HTTP is allowed (because we compare # the protocol for the redirect with the original one) # if self._type == "https" and typ == "http": raise InvalidRedirectionError( "HTTPS redirected to HTTP is not supported") self._host, self._handler = splithost(uri) if not self._handler: self._handler = "/RPC2" # Create a new transport for the redirected service and # set up the parameters on the new transport del self._transport self._transport = self.default_transport(typ, self._proxy, self._username, self._password, self._timeout) self.set_progress_callback(self._progressCallback) self.set_refresh_callback(self._refreshCallback) self.set_buffer_size(self._bufferSize) self.setlang(self._lang) if self._trusted_cert_files != [] and \ hasattr(self._transport, "add_trusted_cert"): for certfile in self._trusted_cert_files: self._transport.add_trusted_cert(certfile) # Then restart the loop to try the new entry point. if isinstance(response, transports.File): # Just return the file return response # an XML-RPC encoded data structure if isinstance(response, TupleType) and len(response) == 1: response = response[0] return response def __repr__(self): return ( "<%s for %s%s>" % (self.__class__.__name__, self._host, self._handler) ) __str__ = __repr__ def __getattr__(self, name): # magic method dispatcher return _Method(self._request, name) # note: to call a remote object with an non-standard name, use # result getattr(server, "strange-python-name")(args) def set_transport_flags(self, transfer=0, encoding=0, **kwargs): if not self._transport: # Nothing to do return kwargs.update({ 'transfer' : transfer, 'encoding' : encoding, }) self._transport.set_transport_flags(**kwargs) def get_transport_flags(self): if not self._transport: # Nothing to do return {} return self._transport.get_transport_flags() def reset_transport_flags(self): # Does nothing pass # Allow user-defined additional headers. def set_header(self, name, arg): if type(arg) in [ type([]), type(()) ]: # Multivalued header self._headers[name] = [str(a) for a in arg] else: self._headers[name] = str(arg) def add_header(self, name, arg): if name in self._headers: vlist = self._headers[name] if not isinstance(vlist, ListType): vlist = [ vlist ] else: vlist = self._headers[name] = [] vlist.append(str(arg)) # Sets the i18n options def setlang(self, lang): self._lang = lang if self._transport and hasattr(self._transport, "setlang"): self._transport.setlang(lang) # Sets the CA chain to be used def use_CA_chain(self, ca_chain = None): raise NotImplementedError("This method is deprecated") def add_trusted_cert(self, certfile): self._trusted_cert_files.append(certfile) if self._transport and hasattr(self._transport, "add_trusted_cert"): self._transport.add_trusted_cert(certfile) def close(self): if self._transport: self._transport.close() self._transport = None # RHN GET server class GETServer(Server): def __init__(self, uri, transport=None, proxy=None, username=None, password=None, client_version=2, headers={}, refreshCallback=None, progressCallback=None, timeout=None): Server.__init__(self, uri, proxy=proxy, username=username, password=password, transport=transport, refreshCallback=refreshCallback, progressCallback=progressCallback, timeout=timeout) self._client_version = client_version self._headers = headers # Back up the original handler, since we mangle it self._orig_handler = self._handler # Download resumption self.set_range(offset=None, amount=None) def _req_body(self, params, methodname): if not params or len(params) < 1: raise Exception("Required parameter channel not found") # Strip the multiple / from the handler h_comps = filter(lambda x: x != '', self._orig_handler.split('/')) # Set the handler we are going to request hndl = h_comps + ["$RHN", params[0], methodname] + list(params[1:]) self._handler = '/' + '/'.join(hndl) #save the constructed handler in case of redirect self.send_handler = self._handler # Add headers #override the handler to replace /XMLRPC with pkg path if self._redirected and not self.use_handler_path: self._handler = self._new_req_body() for h, v in self._headers.items(): self._transport.set_header(h, v) if self._offset is not None: if self._offset >= 0: brange = str(self._offset) + '-' if self._amount is not None: brange = brange + str(self._offset + self._amount - 1) else: # The last bytes # amount is ignored in this case brange = '-' + str(-self._offset) self._transport.set_header('Range', "bytes=" + brange) # Flag that we allow for partial content self._transport.set_transport_flags(allow_partial_content=1) # GET requests have empty body return "" def _new_req_body(self): type, tmpuri = splittype(self._redirected) site, handler = splithost(tmpuri) return handler def set_range(self, offset=None, amount=None): if offset is not None: try: offset = int(offset) except ValueError: # Error raise RangeError("Invalid value `%s' for offset" % offset, None, sys.exc_info()[2]) if amount is not None: try: amount = int(amount) except ValueError: # Error raise RangeError("Invalid value `%s' for amount" % amount, None, sys.exc_info()[2]) if amount <= 0: raise RangeError("Invalid value `%s' for amount" % amount) self._amount = amount self._offset = offset def reset_transport_flags(self): self._transport.set_transport_flags(allow_partial_content=0) def __getattr__(self, name): # magic method dispatcher return SlicingMethod(self._request, name) def default_transport(self, type, proxy=None, username=None, password=None, timeout=None): ret = Server.default_transport(self, type, proxy=proxy, username=username, password=password, timeout=timeout) ret.set_method("GET") return ret class RangeError(Exception): pass class InvalidRedirectionError(Exception): pass def getHeaderValues(headers, name): import mimetools if not isinstance(headers, mimetools.Message): if name in headers: return [headers[name]] return [] return [x.split(':', 1)[1].strip() for x in headers.getallmatchingheaders(name)] class _Method: """ some magic to bind an XML-RPC method to an RPC server. supports "nested" methods (e.g. examples.getStateName) """ def __init__(self, send, name): self._send = send self._name = name def __getattr__(self, name): return _Method(self._send, "%s.%s" % (self._name, name)) def __call__(self, *args): return self._send(self._name, args) def __repr__(self): return ( "<%s %s (%s)>" % (self.__class__.__name__, self._name, self._send) ) __str__ = __repr__ class SlicingMethod(_Method): """ A "slicing method" allows for byte range requests """ def __init__(self, send, name): _Method.__init__(self, send, name) self._offset = None def __getattr__(self, name): return SlicingMethod(self._send, "%s.%s" % (self._name, name)) def __call__(self, *args, **kwargs): self._offset = kwargs.get('offset') self._amount = kwargs.get('amount') # im_self is a pointer to self, so we can modify the class underneath try: self._send.im_self.set_range(offset=self._offset, amount=self._amount) except AttributeError: pass result = self._send(self._name, args) # Reset "sticky" transport flags try: self._send.im_self.reset_transport_flags() except AttributeError: pass return result def reportError(headers): """ Reports the error from the headers. """ errcode = 0 errmsg = "" s = "X-RHN-Fault-Code" if s in headers: errcode = int(headers[s]) s = "X-RHN-Fault-String" if s in headers: _sList = getHeaderValues(headers, s) if _sList: _s = ''.join(_sList) import base64 errmsg = "%s" % base64.decodestring(_s) return errcode, errmsg SSL.py 0000644 00000025455 15025012723 0005567 0 ustar 00 # # Higher-level SSL objects used by rpclib # # Copyright (c) 2002--2017 Red Hat, Inc. # # Author: Mihai Ibanescu <misa@redhat.com> # # In addition, as a special exception, the copyright holders give # permission to link the code of portions of this program with the # OpenSSL library under certain conditions as described in each # individual source file, and distribute linked combinations # including the two. # You must obey the GNU General Public License in all respects # for all of the code used other than OpenSSL. If you modify # file(s) with this exception, you may extend this exception to your # version of the file(s), but you are not obligated to do so. If you # do not wish to do so, delete this exception statement from your # version. If you delete this exception statement from all source # files in the program, then also delete it here. """ rhn.SSL builds an abstraction on top of the objects provided by pyOpenSSL """ from OpenSSL import SSL # SSL.crypto is provided to other modules from OpenSSL import crypto import os import socket import select from rhn.i18n import bstr import sys DEFAULT_TIMEOUT = 120 if hasattr(socket, 'sslerror'): socket_error = socket.sslerror else: from ssl import socket_error class SSLSocket: """ Class that wraps a pyOpenSSL Connection object, adding more methods """ def __init__(self, socket, trusted_certs=None): # SSL.Context object self._ctx = None # SSL.Connection object self._connection = None self._sock = socket self._trusted_certs = [] # convert None to empty list trusted_certs = trusted_certs or [] for f in trusted_certs: self.add_trusted_cert(f) # SSL method to use self._ssl_method = SSL.SSLv23_METHOD # Flags to pass to the SSL layer self._ssl_verify_flags = SSL.VERIFY_PEER # Buffer size for reads self._buffer_size = 8192 # Position, for tell() self._pos = 0 # Buffer self._buffer = bstr("") # Flag to show if makefile() was called self._makefile_called = 0 self._closed = None def add_trusted_cert(self, file): """ Adds a trusted certificate to the certificate store of the SSL context object. """ if not os.access(file, os.R_OK): raise ValueError("Unable to read certificate file %s" % file) self._trusted_certs.append(file.encode("utf-8")) def init_ssl(self): """ Initializes the SSL connection. """ self._check_closed() # Get a context self._ctx = SSL.Context(self._ssl_method) self._ctx.set_options(SSL.OP_NO_SSLv2) self._ctx.set_options(SSL.OP_NO_SSLv3) if self._trusted_certs: # We have been supplied with trusted CA certs for f in self._trusted_certs: self._ctx.load_verify_locations(f) else: # Reset the verify flags self._ssl_verify_flags = 0 self._ctx.set_verify(self._ssl_verify_flags, ssl_verify_callback) if hasattr(SSL, "OP_DONT_INSERT_EMPTY_FRAGMENTS"): # Certain SSL implementations break when empty fragments are # initially sent (even if sending them is compliant to # SSL 3.0 and TLS 1.0 specs). Play it safe and disable this # feature (openssl 0.9.6e and later) self._ctx.set_options(SSL.OP_DONT_INSERT_EMPTY_FRAGMENTS) # Init the connection self._connection = SSL.Connection(self._ctx, self._sock) # Place the connection in client mode self._connection.set_connect_state() def makefile(self, mode, bufsize=None): """ Returns self, since we are a file-like object already """ if bufsize: self._buffer_size = bufsize # Increment the counter with the number of times we've called makefile # - we don't want close to actually close things until all the objects # that originally called makefile() are gone self._makefile_called = self._makefile_called + 1 return self def close(self): """ Closes the SSL connection """ # XXX Normally sock.makefile does a dup() on the socket file # descriptor; httplib relies on this, but there is no dup for an ssl # connection; so we have to count how may times makefile() was called if self._closed: # Nothing to do return if not self._makefile_called: self._really_close() return self._makefile_called = self._makefile_called - 1 # BZ 1464157 - Python 3 http attempts to call this method during close, # at least add it empty def flush(self): pass def _really_close(self): # No connection was established if self._connection is None: return get_state = None try: get_state = getattr(self._connection, 'state_string') except AttributeError: get_state = getattr(self._connection, 'get_state_string') if get_state is not None: # for Python 3 if sys.version_info[0] == 3: if get_state() == b'SSL negotiation finished successfully': self._connection.shutdown() # for Python 2 else: if get_state() == 'SSL negotiation finished successfully': self._connection.shutdown() self._connection.close() self._closed = 1 def _check_closed(self): if self._closed: raise ValueError("I/O operation on closed file") def __getattr__(self, name): if hasattr(self._connection, name): return getattr(self._connection, name) raise AttributeError(name) # File methods def isatty(self): """ Returns false always. """ return 0 def tell(self): return self._pos def seek(self, pos, mode=0): raise NotImplementedError("seek") def read(self, amt=None): """ Reads up to amt bytes from the SSL connection. """ self._check_closed() # Initially, the buffer size is the default buffer size. # Unfortunately, pending() does not return meaningful data until # recv() is called, so we only adjust the buffer size after the # first read buffer_size = self._buffer_size buffer_length = len(self._buffer) # Read only the specified amount of data while buffer_length < amt or amt is None: # if amt is None (read till the end), fills in self._buffer if amt is not None: buffer_size = min(amt - buffer_length, buffer_size) try: data = self._connection.recv(buffer_size) self._buffer = self._buffer + data buffer_length = len(self._buffer) # More bytes to read? pending = self._connection.pending() if pending == 0: # we're done here break except SSL.ZeroReturnError: # Nothing more to be read break except SSL.SysCallError: e = sys.exc_info()[1] print("SSL exception", e.args) break except SSL.WantWriteError: self._poll(select.POLLOUT, 'read') except SSL.WantReadError: self._poll(select.POLLIN, 'read') if amt: ret = self._buffer[:amt] self._buffer = self._buffer[amt:] else: ret = self._buffer self._buffer = bstr("") self._pos = self._pos + len(ret) return ret def readinto(self, buf): buf[:] = self.read(len(buf)) return len(buf) def _poll(self, filter_type, caller_name): poller = select.poll() poller.register(self._sock, filter_type) res = poller.poll(self._sock.gettimeout() * 1000) if res == []: raise TimeoutException("Connection timed out on %s" % caller_name) def write(self, data): """ Writes to the SSL connection. """ self._check_closed() # XXX Should use sendall # sent = self._connection.sendall(data) origlen = len(data) while True: try: sent = self._connection.send(data) if sent == len(data): break data = data[sent:] except SSL.WantWriteError: self._poll(select.POLLOUT, 'write') except SSL.WantReadError: self._poll(select.POLLIN, 'write') return origlen def recv(self, amt): return self.read(amt) send = write sendall = write def readline(self, length=None): """ Reads a single line (up to `length' characters long) from the SSL connection. """ self._check_closed() while True: # charcount contains the number of chars to be outputted (or None # if none to be outputted at this time) charcount = None i = self._buffer.find(bstr('\n')) if i >= 0: # Go one char past newline charcount = i + 1 elif length and len(self._buffer) >= length: charcount = length if charcount is not None: ret = self._buffer[:charcount] self._buffer = self._buffer[charcount:] self._pos = self._pos + len(ret) return ret # Determine the number of chars to be read next bufsize = self._buffer_size if length: # we know length > len(self._buffer) bufsize = min(self._buffer_size, length - len(self._buffer)) try: data = self._connection.recv(bufsize) self._buffer = self._buffer + data except SSL.ZeroReturnError: # Nothing more to be read break except SSL.WantWriteError: self._poll(select.POLLOUT, 'readline') except SSL.WantReadError: self._poll(select.POLLIN, 'readline') # We got here if we're done reading, so return everything ret = self._buffer self._buffer = "" self._pos = self._pos + len(ret) return ret def ssl_verify_callback(conn, cert, errnum, depth, ok): """ Verify callback, which will be called for each certificate in the certificate chain. """ # Nothing by default return ok class TimeoutException(SSL.Error, socket.timeout): def __init__(self, *args): self.args = args def __str__(self): return "Timeout Exception" tb.py 0000644 00000001504 15025012723 0005520 0 ustar 00 # # Copyright (c) 2016 Red Hat, Inc. # # This software is licensed to you under the GNU General Public License, # version 2 (GPLv2). There is NO WARRANTY for this software, express or # implied, including the implied warranties of MERCHANTABILITY or FITNESS # FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2 # along with this software; if not, see # http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. # # Red Hat trademarks are not licensed under GPLv2. 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Distributed under GPLv2. # # Author: Adrian Likins <alikins@redhat.com> # import os import re from up2date_client import config cfg = config.initUp2dateConfig() __rhnexport__ = [ 'update', 'get'] argVerbose = 0 def update(configdict, cache_only=None): """Invoke this to change the ondisk configuration of up2date""" if cache_only: return (0, "no-ops for caching", {}) if argVerbose > 1: print("called update_up2date_config") if type(configdict) != type({}): return (13, "Invalid arguments passed to function", {}) unknownparams = [] if cfg['disallowConfChanges']: skipParams = cfg['disallowConfChanges'] else: skipParams = [] for param in configdict.keys(): # dont touch params in the skip params list if param in skipParams: continue # write out all params, even ones we dont know about # could be useful cfg.set(param, configdict[param]) if len(unknownparams): return unknownparams cfg.save() return (0, "config updated", {}) def get(cache_only=None): """Reterieve the current configuration of up2date""" if cache_only: return (0, "no-ops for caching", {}) if argVerbose > 1: print("called get_up2date_config") ret = {} for k in cfg.keys(): ret[k] = cfg[k] return (0, "configuration retrived", {'data' : ret}) def main(): configdatatup = get() configdata = configdatatup[2]['data'] import time timestamp = time.time() configdata['timeStampTest'] = timestamp print(configdata) import pprint pprint.pprint(update(configdata)) configdata['serverURL'] = "https://xmlrpc.cln.cloudlinux.com/XMLRPC/" pprint.pprint(update(configdata)) if __name__ == "__main__": main() actions/rhnsd.py 0000755 00000003123 15025012723 0007673 0 ustar 00 #!/usr/bin/python3 # Copyright (c) 1999--2018 Red Hat, Inc. Distributed under GPLv2. # # Author: Adrian Likins <alikins@redhat.com> # import os # mark this module as acceptable __rhnexport__ = [ 'configure', ] def __configRhnsd(interval, cache_only=None): rhnsdconfig = "/etc/sysconfig/rhn/rhnsd" fd = open(rhnsdconfig, "r") lines = fd.readlines() count = 0 index = None tmplines = [] for line in lines: tmp = line.strip() tmplines.append(tmp) comps = tmp.split("=", 1) if comps[0] == "INTERVAL": index = count count = count + 1 if index != None: tmplines[index] = "INTERVAL=%s" % interval fd.close() fd = open(rhnsdconfig, "w") contents = "\n".join(tmplines) fd.write(contents) fd.close() def configure(interval=None, restart=None, cache_only=None): if cache_only: return (0, "no-ops for caching", {}) msg = "" if interval: try: __configRhnsd(interval) msg = "rhnsd interval config updated. " except IOError: # i'm runing as root, must of been chattr'ed. # i'll resist the erge to unchattr this file return (37,"Could not modify /etc/sysconfig/rhn/rhnsd", {}) if restart: rc = os.system("/sbin/service rhnsd restart > /dev/null") msg = msg + "rhnsd restarted" return(0, msg, {}) if __name__ == "__main__": print(configure("240")) print(configure("361", 1)) print(configure("127", restart=1)) print(configure(restart=1)) print(configure("192")) actions/hardware.py 0000755 00000002111 15025012723 0010346 0 ustar 00 #!/usr/bin/python3 # Copyright (c) 1999--2018 Red Hat, Inc. Distributed under GPLv2. # # Author: Adrian Likins <alikins@redhat.com> # imports are a bit weird here to avoid name collions on "harware" from up2date_client import hardware from up2date_client import up2dateAuth from up2date_client import rpcServer argVerbose = 0 __rhnexport__ = [ 'refresh_list' ] # resync hardware information with the server profile def refresh_list(cache_only=None): if cache_only: return (0, "no-ops for caching", {}) # read all hardware in hardwareList = hardware.Hardware() s = rpcServer.getServer() if argVerbose > 1: print("Called refresh_hardware") try: s.registration.refresh_hw_profile(up2dateAuth.getSystemId(), hardwareList) except: print("ERROR: sending hardware database for System Profile") return (12, "Error refreshing system hardware", {}) return (0, "hardware list refreshed", {}) def main(): print(refresh_list()) if __name__ == "__main__": main() actions/errata.py 0000644 00000004625 15025012723 0010040 0 ustar 00 # # Client code for Update Agent # Copyright (c) 1999--2016 Red Hat, Inc. Distributed under GPLv2. # # Author: Adrian Likins <alikins@redhat.com # # This file is copied from yum-rhn-plugin from up2date_client import rhnserver from up2date_client import up2dateAuth from up2date_client import pkgUtils from rhn.actions import packages __rhnexport__ = [ 'update'] # action version we understand ACTION_VERSION = 2 def __getErrataInfo(errata_id): s = rhnserver.RhnServer() return s.errata.getErrataInfo(up2dateAuth.getSystemId(), errata_id) def update(errataidlist, cache_only=None): packagelist = [] if type(errataidlist) not in [type([]), type(())]: errataidlist = [ errataidlist ] for errataid in errataidlist: tmpList = __getErrataInfo(errataid) packagelist = packagelist + tmpList current_packages_with_arch = {} current_packages ={} for p in pkgUtils.getInstalledPackageList(getArch=1): current_packages_with_arch[p['name'] + p['arch']] = p current_packages[p['name']] = p u = {} # only update packages that are currently installed # since an "applicable errata" may only contain some packages # that actually apply. aka kernel. Fun fun fun. if len(packagelist[0]) > 4: # Newer sats send down arch, filter using name+arch for p in packagelist: if "%s%s" % (p[0], p[4]) in current_packages_with_arch: u[p[0] + p[4]] = p elif "%snoarch" % p[0] in current_packages_with_arch: u[p[0] + p[4]] = p elif p[4] == "noarch" and p[0] in current_packages: u[p[0]] = p else: # 5.2 and older sats + hosted dont send arch for p in packagelist: if p[0] in current_packages: u[p[0]] = p # XXX: Fix me - once we keep all errata packages around, # this is the WRONG thing to do - we want to keep the specific versions # that the user has asked for. packagelist = list(u.values()) if packagelist == []: data = {} data['version'] = "0" data['name'] = "errata.update.no_packages" data['erratas'] = errataidlist return (39, "No packages from that errata are available", data) return packages.update(packagelist, cache_only) def main(): print(update([23423423])) if __name__ == "__main__": main() actions/reboot.py 0000755 00000002516 15025012723 0010054 0 ustar 00 #!/usr/bin/python3 # Client code for Update Agent # Copyright (c) 1999--2018 Red Hat, Inc. Distributed under GPLv2. # # Author: Adrian Likins <alikins@redhat.com # import os __rhnexport__ = [ 'reboot'] from up2date_client import up2dateLog from up2date_client import config cfg = config.initUp2dateConfig() log = up2dateLog.initLog() # action version we understand ACTION_VERSION = 2 def reboot(test=None, cache_only=None): if cache_only: return (0, "no-ops for caching", {}) if cfg['noReboot']: return (38, "Up2date is configured not to allow reboots", {}) pid = os.fork() data = {'version': '0'} reboot_message = 'Reboot of system "' + os.uname()[1] + '" initiated by Spacewalk reboot action.' if not pid: try: if test: os.execvp("/sbin/shutdown", ['/sbin/shutdown','-r','-k', '+3', reboot_message]) else: os.execvp("/sbin/shutdown", ['/sbin/shutdown','-r', '+3', reboot_message]) except OSError: data['name'] = "reboot.reboot.shutdown_failed" return (34, "Could not execute /sbin/shutdown", data) log.log_me("Rebooting the system now") # no point in waiting around return (0, "Reboot sucessfully started", data) def main(): print(reboot(test=1)) if __name__ == "__main__": main() actions/systemid.py 0000755 00000001345 15025012723 0010422 0 ustar 00 #!/usr/bin/python3 # # Copyright (c) 1999--2018 Red Hat, Inc. Distributed under GPLv2. # # Author: Adrian Likins <alikins@redhat.com> import time # mark this module as acceptable __rhnexport__ = [ 'disable', ] def disable(messageText, cache_only=None): """We have been told that we should disable the systemid""" if cache_only: return (0, "no-ops for caching", {}) disableFilePath = "/etc/sysconfig/rhn/disable" # open and shut off fd = open(disableFilePath, "w") fd.write("Disable lock created on %s. RHN Server Message:\n\n%s\n" % ( time.ctime(time.time()), messageText)) fd.close() # done if we survived this long return(0, "systemId disable lock file has been writen", {}) actions/__init__.py 0000755 00000000023 15025012723 0010310 0 ustar 00 #!/usr/bin/python3 actions/packages.py 0000644 00000027030 15025012723 0010333 0 ustar 00 # # Copyright (c) 2015--2017 Red Hat, Inc. # # This software is licensed to you under the GNU General Public License, # version 2 (GPLv2). There is NO WARRANTY for this software, express or # implied, including the implied warranties of MERCHANTABILITY or FITNESS # FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2 # along with this software; if not, see # http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. # # Red Hat trademarks are not licensed under GPLv2. No permission is # granted to use or replicate Red Hat trademarks that are incorporated # in this software or its documentation. # import os import time import dnf.exceptions import dnf.cli from up2date_client import up2dateLog from up2date_client import config from up2date_client import rpmUtils from up2date_client import rhnPackageInfo log = up2dateLog.initLog() # file used to keep track of the next time rhn_check # is allowed to update the package list on the server LAST_UPDATE_FILE = "/var/lib/up2date/dbtimestamp" # mark this module as acceptable __rhnexport__ = [ 'update', 'remove', 'refresh_list', 'fullUpdate', 'checkNeedUpdate', 'runTransaction', 'verify' ] def remove(package_list, cache_only=None): """We have been told that we should remove packages""" if cache_only: return (0, "no-ops for caching", {}) if not isinstance(package_list, list): return (13, "Invalid arguments passed to function", {}) log.log_debug("Called remove_packages", package_list) # initialize dnf base = _dnf_base(load_system_repo=True, load_available_repos=False) installed = base.sack.query().installed() to_remove = [_package_tup2obj(installed, tup) for tup in package_list] return _dnf_transaction(base, remove=to_remove, allow_erasing=True, cache_only=cache_only) def update(package_list, cache_only=None): """We have been told that we should retrieve/install packages""" if not isinstance(package_list, list): return (13, "Invalid arguments passed to function", {}) log.log_debug("Called update", package_list) # initialize dnf base = _dnf_base(load_system_repo=True, load_available_repos=True) installed = base.sack.query().installed() available = base.sack.query().available() # skip already installed packages err = None errmsgs = [] to_install = [] for package in package_list: if len(package) < 5: package.append('') (name, version, release, epoch, arch) = package if version == '' and release == '' \ and epoch == '' and arch == '' \ and installed.filter(name=name): log.log_debug('Package %s is already installed' % name) continue if epoch == '': epoch = 0 pkgs = installed.filter(name=name, arch=arch).latest() requested_pkg = _package_tup2obj(available, package) if not requested_pkg: err = 'Package %s is not available for installation' \ % _package_tup2str(package) log.log_me('E: ', err) errmsgs.append(err) continue for pkg in pkgs: pkg_cmp = pkg.evr_cmp(requested_pkg) if pkg_cmp == 0: log.log_debug('Package %s already installed' % _package_tup2str(package)) break elif pkg_cmp > 0: log.log_debug('More recent version of package %s is already installed' % _package_tup2str(package)) break else: to_install.append(requested_pkg) # Don't proceed further with empty list, # since this would result into an empty yum transaction if not to_install: if err: ret = (32, "Failed: Packages failed to install properly:\n" + '\n'.join(errmsgs), {'version': '1', 'name': "package_install_failure"}) else: ret = (0, "Requested packages already installed", {}) # workaround for RhBug:1218071 base._plugins._unload() base.close() return ret return _dnf_transaction(base, install=to_install, cache_only=cache_only) def runTransaction(transaction_data, cache_only=None): """ Run a transaction on a group of packages. This was historicaly meant as generic call, but is only called for rollback. """ if cache_only: return (0, "no-ops for caching", {}) # initialize dnf base = _dnf_base(load_system_repo=True, load_available_repos=True) installed = base.sack.query().installed() available = base.sack.query().available() to_install = [] to_remove = [] for package_object in transaction_data['packages'][:]: [package, action] = package_object pkg = _package_tup2obj(installed, package) if action == 'e' and pkg: to_remove.append(pkg) elif action == 'i' and not pkg: new = _package_tup2obj(available, package) to_install.append(new) # Don't proceed further with empty package lists if not to_install and not to_remove: return (0, "Requested package actions have already been performed.", {}) return _dnf_transaction(base, install=to_install, remove=to_remove, allow_erasing=True, cache_only=cache_only) def fullUpdate(force=0, cache_only=None): """ Update all packages on the system. """ base = _dnf_base(load_system_repo=True, load_available_repos=True) return _dnf_transaction(base, full_update=True, cache_only=cache_only) # The following functions are the same as the old up2date ones. def checkNeedUpdate(rhnsd=None, cache_only=None): """ Check if the locally installed package list changed, if needed the list is updated on the server In case of error avoid pushing data to stay safe """ if cache_only: return (0, "no-ops for caching", {}) data = {} dbpath = "/var/lib/rpm" cfg = config.initUp2dateConfig() if cfg['dbpath']: dbpath = cfg['dbpath'] RPM_PACKAGE_FILE = "%s/Packages" % dbpath try: dbtime = os.stat(RPM_PACKAGE_FILE)[8] # 8 is st_mtime except: return (0, "unable to stat the rpm database", data) try: last = os.stat(LAST_UPDATE_FILE)[8] except: last = 0 # Never update the package list more than once every 1/2 hour if last >= (dbtime - 10): return (0, "rpm database not modified since last update (or package " "list recently updated)", data) if last == 0: try: file = open(LAST_UPDATE_FILE, "w+") file.close() except: return (0, "unable to open the timestamp file", data) # call the refresh_list action with a argument so we know it's # from rhnsd return refresh_list(rhnsd=1) def refresh_list(rhnsd=None, cache_only=None): """ push again the list of rpm packages to the server """ if cache_only: return (0, "no-ops for caching", {}) log.log_debug("Called refresh_rpmlist") ret = None try: rhnPackageInfo.updatePackageProfile() except: print("ERROR: refreshing remote package list for System Profile") return (20, "Error refreshing package list", {}) touch_time_stamp() return (0, "rpmlist refreshed", {}) def touch_time_stamp(): try: file_d = open(LAST_UPDATE_FILE, "w+") file_d.close() except: return (0, "unable to open the timestamp file", {}) # Never update the package list more than once every hour. t = time.time() try: os.utime(LAST_UPDATE_FILE, (t, t)) except: return (0, "unable to set the time stamp on the time stamp file %s" % LAST_UPDATE_FILE, {}) def verify(packages, cache_only=None): log.log_debug("Called packages.verify") if cache_only: return (0, "no-ops for caching", {}) data = {} data['name'] = "packages.verify" data['version'] = 0 ret, missing_packages = rpmUtils.verifyPackages(packages) data['verify_info'] = ret if len(missing_packages): data['name'] = "packages.verify.missing_packages" data['version'] = 0 data['missing_packages'] = missing_packages return(43, "packages requested to be verified are missing", data) return (0, "packages verified", data) def _dnf_base(load_system_repo=True, load_available_repos=True): # initialize dnf base = dnf.Base() if not base._plugins.plugins: base.init_plugins() if load_available_repos: base.read_all_repos() base.fill_sack(load_system_repo=True, load_available_repos=True) return base def _dnf_transaction(base, install=[], remove=[], full_update=False, allow_erasing=False, cache_only=None): """ command is an function excpecting dnf.Base() as an argument """ try: if full_update: base.upgrade_all() else: for pkg in install: if pkg: base.package_install(pkg) for pkg in remove: if pkg: base.package_remove(pkg) base.resolve(allow_erasing) log.log_debug("Dependencies Resolved") if not len(base.transaction): raise dnf.exceptions.Error('empty transaction') if base.transaction.install_set: log.log_debug("Downloading and installing: ", [str(p) for p in base.transaction.install_set]) base.download_packages(base.transaction.install_set) if base.transaction.remove_set: log.log_debug("Removing: ", [str(p) for p in base.transaction.remove_set]) if not cache_only: base.do_transaction() except dnf.exceptions.MarkingError as e: data = {} data['version'] = "1" data['name'] = "package_install_failure" return (32, "Failed: Packages failed to install " "properly: %s" % str(e), data) except dnf.exceptions.MarkingError as e: data = {} data['version'] = 0 data['name'] = "rpmremoveerrors" return (15, "%s" % str(e), data) except dnf.exceptions.DepsolveError as e: data = {} data["version"] = "1" data["name"] = "failed_deps" return (18, "Failed: packages requested raised " "dependency problems: %s" % str(e), data) except dnf.exceptions.Error as e: status = 6, message = "Error while executing packages action: %s" % str(e) data = {} return (status, message, data) finally: # workaround for RhBug:1218071 base._plugins._unload() base.close() return (0, "Update Succeeded", {}) def _package_tup2obj(q, tup): (name, version, release, epoch) = tup[:4] arch = tup[4] if len(tup) > 4 else None query = {'name': name} if version is not None and len(version) > 0: query['version'] = version if release is not None and len(release) > 0: query['release'] = release if epoch is not None and len(epoch) > 0: query['epoch'] = int(epoch) if arch is not None and len(arch) > 0: query['arch'] = arch pkgs = q.filter(**query).run() if pkgs: return pkgs[0] return None def _package_tup2str(package_tup): """ Create a package name from an rhn package tuple. """ n, v, r, e, a = package_tup[:] if not e: e = '0' pkginfo = '%s-%s:%s-%s' % (n, e, v, r) if a: pkginfo += '.%s' % (a) return (pkginfo,) nonblocking.py 0000644 00000004573 15025012723 0007427 0 ustar 00 # # # import select import fcntl import os class NonBlockingFile: def __init__(self, fd): # Keep a copy of the file descriptor self.fd = fd fcntl.fcntl(self.fd.fileno(), fcntl.F_SETFL, os.O_NDELAY) # Set the callback-related stuff self.read_fd_set = [] self.write_fd_set = [] self.exc_fd_set = [] self.user_data = None self.callback = None def set_callback(self, read_fd_set, write_fd_set, exc_fd_set, user_data, callback): self.read_fd_set = read_fd_set # Make the objects non-blocking for f in self.read_fd_set: fcntl.fcntl(f.fileno(), fcntl.F_SETFL, os.O_NDELAY) self.write_fd_set = write_fd_set self.exc_fd_set = exc_fd_set self.user_data = user_data self.callback = callback def read(self, amt=0): while 1: status_changed = 0 readfds = self.read_fd_set + [self.fd] writefds = self.write_fd_set excfds = self.exc_fd_set print("Calling select", readfds) readfds, writefds, excfds = select.select(readfds, writefds, excfds) print("Select returned", readfds, writefds, excfds) if self.fd in readfds: # Our own file descriptor has changed status # Mark this, but also try to call the callback with the rest # of the file descriptors that changed status status_changed = 1 readfds.remove(self.fd) if self.callback and (readfds or writefds or excfds): self.callback(readfds, writefds, excfds, self.user_data) if status_changed: break print("Returning") return self.fd.read(amt) def write(self, data): return self.fd.write(data) def __getattr__(self, name): return getattr(self.fd, name) def callback(r, w, e, user_data): print("Callback called", r, w, e) print(r[0].read()) if __name__ == '__main__': import socket s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect(("localhost", 5555)) f = s.makefile() ss = NonBlockingFile(f) s2 = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s2.connect(("localhost", 5556)) f = s2.makefile() ss.set_callback([f], [], [], None, callback) xx = ss.read() print(len(xx)) i18n.py 0000644 00000003355 15025012723 0005700 0 ustar 00 # # This module contains all the RPC-related functions the RHN code uses # # Copyright (c) 2016 Red Hat, Inc. # # This software is licensed to you under the GNU General Public License, # version 2 (GPLv2). There is NO WARRANTY for this software, express or # implied, including the implied warranties of MERCHANTABILITY or FITNESS # FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2 # along with this software; if not, see # http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. # # Red Hat trademarks are not licensed under GPLv2. No permission is # granted to use or replicate Red Hat trademarks that are incorporated # in this software or its documentation. # from sys import version_info try: PY3 = version_info.major >= 3 except AttributeError: PY3 = False def ustr(obj): # converts object to unicode like object if PY3: # python3 if isinstance(obj, str): return obj else: return str(obj, 'utf8', errors='ignore') else: # python2 if isinstance(obj, unicode): return obj return unicode(obj, 'utf8', 'ignore') def bstr(obj): # converts object to bytes like object if PY3: # python3 if isinstance(obj, bytes): return obj else: return bytes(obj, 'utf8', errors='ignore') else: # python2 if isinstance(obj, str): return obj return str(obj.encode('utf8', 'ignore')) def sstr(obj): # converts object to string if PY3: # python3 if isinstance(obj, str): return obj else: return str(obj, 'utf8', errors='ignore') else: # python2 if isinstance(obj, str): return obj return str(obj.encode('utf8', 'ignore')) __init__.py 0000644 00000000204 15025012723 0006646 0 ustar 00 # # __init__.py # # Copyright (c) 2011--2013 Red Hat, Inc. # """ rhn - A collection of modules used by Red Hat Network Classic """ UserDictCase.py 0000644 00000005732 15025012723 0007440 0 ustar 00 # # Copyright (c) 2001--2016 Red Hat, Inc. # # This software is licensed to you under the GNU General Public License, # version 2 (GPLv2). There is NO WARRANTY for this software, express or # implied, including the implied warranties of MERCHANTABILITY or FITNESS # FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2 # along with this software; if not, see # http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. # # Red Hat trademarks are not licensed under GPLv2. No permission is # granted to use or replicate Red Hat trademarks that are incorporated # in this software or its documentation. # # # This file implements a case insensitive dictionary on top of the # UserDict standard python class # try: # python2 from UserDict import UserDict from types import StringType except ImportError: # python3 from collections import UserDict StringType = bytes from functools import reduce # A dictionary with case insensitive keys class UserDictCase(UserDict): def __init__(self, data = None): self.kcase = {} UserDict.__init__(self, data) def __lower_string(self, key): """ Return the lower() of key if it is a string. """ if isinstance(key, StringType): return key.lower() else: return key # some methods used to make the class work as a dictionary def __setitem__(self, key, value): lkey = self.__lower_string(key) self.data[lkey] = value self.kcase[lkey] = key def __getitem__(self, key): key = self.__lower_string(key) return self.data[key] get = __getitem__ def __delitem__(self, key): key = self.__lower_string(key) del self.data[key] del self.kcase[key] def __contains__(self, key): key = self.__lower_string(key) return key in self.data def keys(self): return self.kcase.values() def items(self): return self.get_hash().items() def has_key(self, key): # obsoleted, left for compatibility with older python return key in self def clear(self): self.data.clear() self.kcase.clear() # return this data as a real hash def get_hash(self): return reduce(lambda a, t, hc=self.kcase: a.update({ hc[t[0]] : t[1]}) or a, self.data.items(), {}) # return the data for marshalling def __getstate__(self): return self.get_hash() # we need a setstate because of the __getstate__ presence screws up deepcopy def __setstate__(self, state): self.__init__(state) # get a dictionary out of this instance ({}.update doesn't get instances) def dict(self): return self.get_hash() def update(self, dict): for (k, v) in dict.items(): self[k] = v # Expose an iterator. This would normally fail if there is no iter() # function defined - but __iter__ will never be called on python 1.5.2 def __iter__(self): return iter(self.data)
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