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a k�h�� � @ s d Z ddlZddlmZ ddlmZmZmZ ddl m Z ddl m Z e ed�dd �Zed �Zd Zd Zd Zd ZdZed�Zed�Zed �Zed�Zed�Zed�Zed�Z ed�Z ed �Z ed�Z ed�Z ed�Z!ed�Z"ed�Z#ed�Z$ed�Z%ed �Z&ed �Z'ed �Z(ed �Z)ed �Z*ed!�Z+ed"�Z,ed#�Z-ed$�Z.ed%�Z/ed&�Z0ed'�Z1ed(�Z2ed �Z3ed �Z4ed �Z5ed �Z6ed �Z7ed�Z8ed �Z9ed�Z:ed �Z;ed �Z<ed�Z=ed �Z>ed)�Z?ed*�Z@ed�ZAed �ZBed�ZCed�ZDed�ZEed�ZFed�ZGed+�ZHed,�ZIed�ZJed-�ZKed.�ZLed/�ZMed0�ZNed1�ZOed2�ZPed3�ZQed4�ZRed5�ZSed6�ZTed7�ZUed8�ZVed9�ZWed:�ZXed�ZYed �ZZed �Z[ed�Z\ed�Z]ed;�Z^ed<�Z_ed=�Z`ed>�Zaed?�Zbed@�ZcG dAdB� dBejd�ZeG dCdD� dDejf�ZgG dEdF� dFeh�ZiG dGdH� dHei�ZjG dIdJ� dJej�ZkG dKdL� dLej�ZlG dMdN� dNej�ZmG dOdP� dPej�Zneee�G dQdR� dRejo��ZpG dSdT� dTejo�ZqG dUdV� dV�ZrG dWdX� dXeqer�ZsG dYdZ� dZeper�Ztdd[lumvZv G d\d]� d]evjwep�Zxdd^lymzZz G d_d`� d`ex�Z{g da�Z|dS )bz? Telnet protocol implementation. @author: Jean-Paul Calderone � N)� implementer)�defer� interfaces�protocol)�Logger)� iterbytes)�i�returnc C s t | f�S )a( Create a byte sequence of length 1. U{RFC 854<https://tools.ietf.org/html/rfc854>} specifies codes in decimal, but Python can only handle L{bytes} literals in octal or hexadecimal. This helper function bridges that gap. @param i: The value of the only byte in the sequence. )�bytes)r � r ��/root/rpmbuild/BUILDROOT/imh-python39-modules-3.9.7-92.el8.x86_64/opt/imh-python/lib/python3.9/site-packages/twisted/conch/telnet.py�_chr s r � � � � � � � � � � � � � �" �� �� �� �� �� �� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �@ � �� �� �� c @ s< e Zd Zdd� Zdd� Zdd� Zdd� Zd d � Zd d � Zd S )�ITelnetProtocolc C s dS )ae A command was received but not understood. @param command: the command received. @type command: L{str}, a single character. @param argument: the argument to the received command. @type argument: L{str}, a single character, or None if the command that was unhandled does not provide an argument. Nr )�command�argumentr r r �unhandledCommand� s z ITelnetProtocol.unhandledCommandc C s dS )a� A subnegotiation command was received but not understood. @param command: the command being subnegotiated. That is, the first byte after the SB command. @type command: L{str}, a single character. @param data: all other bytes of the subneogation. That is, all but the first bytes between SB and SE, with IAC un-escaping applied. @type data: L{bytes}, each a single character Nr )rF �datar r r �unhandledSubnegotiation� s z'ITelnetProtocol.unhandledSubnegotiationc C s dS )aw Enable the given option locally. This should enable the given option on this side of the telnet connection and return True. If False is returned, the option will be treated as still disabled and the peer will be notified. @param option: the option to be enabled. @type option: L{bytes}, a single character. Nr ��optionr r r � enableLocal� s zITelnetProtocol.enableLocalc C s dS )a Indicate whether the peer should be allowed to enable this option. Returns True if the peer should be allowed to enable this option, False otherwise. @param option: the option to be enabled. @type option: L{bytes}, a single character. Nr rK r r r � enableRemote� s z ITelnetProtocol.enableRemotec C s dS )z� Disable the given option locally. Unlike enableLocal, this method cannot fail. The option must be disabled. @param option: the option to be disabled. @type option: L{bytes}, a single character. Nr rK r r r � disableLocal� s z ITelnetProtocol.disableLocalc C s dS )z� Indicate that the peer has disabled this option. @param option: the option to be disabled. @type option: L{bytes}, a single character. Nr rK r r r � disableRemote� s z ITelnetProtocol.disableRemoteN) �__name__� __module__� __qualname__rH rJ rM rN rO rP r r r r rE � s rE c @ s4 e Zd Zdd� Zdd� Zdd� Zdd� Zd d � Zd S ) �ITelnetTransportc C s dS )a� Indicate a desire for the peer to begin performing the given option. Returns a Deferred that fires with True when the peer begins performing the option, or fails with L{OptionRefused} when the peer refuses to perform it. If the peer is already performing the given option, the Deferred will fail with L{AlreadyEnabled}. If a negotiation regarding this option is already in progress, the Deferred will fail with L{AlreadyNegotiating}. Note: It is currently possible that this Deferred will never fire, if the peer never responds, or if the peer believes the option to already be enabled. Nr rK r r r �do� s zITelnetTransport.doc C s dS )aX Indicate a desire for the peer to cease performing the given option. Returns a Deferred that fires with True when the peer ceases performing the option. If the peer is not performing the given option, the Deferred will fail with L{AlreadyDisabled}. If negotiation regarding this option is already in progress, the Deferred will fail with L{AlreadyNegotiating}. Note: It is currently possible that this Deferred will never fire, if the peer never responds, or if the peer believes the option to already be disabled. Nr rK r r r �dont� s zITelnetTransport.dontc C s dS )a� Indicate our willingness to begin performing this option locally. Returns a Deferred that fires with True when the peer agrees to allow us to begin performing this option, or fails with L{OptionRefused} if the peer refuses to allow us to begin performing it. If the option is already enabled locally, the Deferred will fail with L{AlreadyEnabled}. If negotiation regarding this option is already in progress, the Deferred will fail with L{AlreadyNegotiating}. Note: It is currently possible that this Deferred will never fire, if the peer never responds, or if the peer believes the option to already be enabled. Nr rK r r r �will� s zITelnetTransport.willc C s dS )a\ Indicate that we will stop performing the given option. Returns a Deferred that fires with True when the peer acknowledges we have stopped performing this option. If the option is already disabled locally, the Deferred will fail with L{AlreadyDisabled}. If negotiation regarding this option is already in progress, the Deferred will fail with L{AlreadyNegotiating}. Note: It is currently possible that this Deferred will never fire, if the peer never responds, or if the peer believes the option to already be disabled. Nr rK r r r �wont s zITelnetTransport.wontc C s dS )aj Send a subnegotiation request. @param about: A byte indicating the feature being negotiated. @param data: Any number of L{bytes} containing specific information about the negotiation being requested. No values in this string need to be escaped, as this function will escape any value which requires it. Nr )�aboutrI r r r �requestNegotiation s z#ITelnetTransport.requestNegotiationN)rQ rR rS rU rV rW rX rZ r r r r rT � s rT c @ s e Zd ZdS )� TelnetErrorN�rQ rR rS r r r r r[ # s r[ c @ s e Zd Zed�dd�ZdS )�NegotiationError�r c C s& | j jd | j j d t| jd � S )N�.�:r )� __class__rR rQ �repr�args��selfr r r �__str__( s ��� ��zNegotiationError.__str__N)rQ rR rS �strrf r r r r r] ' s r] c @ s e Zd ZdS )� OptionRefusedNr\ r r r r rh 2 s rh c @ s e Zd ZdS )�AlreadyEnabledNr\ r r r r ri 6 s ri c @ s e Zd ZdS )�AlreadyDisabledNr\ r r r r rj : s rj c @ s e Zd ZdS )�AlreadyNegotiatingNr\ r r r r rk > s rk c @ sB e Zd Ze� Zdd� Zdd� Zdd� Zdd� Zd d � Z d d � Z d S )�TelnetProtocolc C s d S �Nr �re rF rG r r r rH F s z TelnetProtocol.unhandledCommandc C s d S rm r �re rF rI r r r rJ I s z&TelnetProtocol.unhandledSubnegotiationc C s d S rm r �re rL r r r rM L s zTelnetProtocol.enableLocalc C s d S rm r rp r r r rN O s zTelnetProtocol.enableRemotec C s d S rm r rp r r r rO R s zTelnetProtocol.disableLocalc C s d S rm r rp r r r rP U s z TelnetProtocol.disableRemoteN) rQ rR rS r �_logrH rJ rM rN rO rP r r r r rl B s rl c @ s� e Zd ZdZdZdd� Zdd� ZG dd� d�Zd d � Zd d � Z d d� Z dd� Z dd� Z dd� Z dd� Zdd� Zdd� Zdd � Zd d � Zd d � Zd!d"� Zd#d$� Zd%d&� Zd'd(� Zd)d*� Zd+d,� Zd-d.� Zd/d0� Zd1d2� Z d3d4� Z eee e d5�Z d6d7� Z d8d9� Z d:d;� Z!d<d=� Z"d>d?� Z#e e!e"e#d5�Z$d@dA� Z%dBdC� Z&dDdE� Z'dFdG� Z(dHdI� Z)e&e'e(e)d5�Z*dJdK� Z+dLdM� Z,dNdO� Z-dPdQ� Z.dRdS� Z/e,e-e.e/d5�Z0dTdU� Z1dVdW� Z2dXdY� Z3dZd[� Z4d\S )]�Telneta� @ivar commandMap: A mapping of bytes to callables. When a telnet command is received, the command byte (the first byte after IAC) is looked up in this dictionary. If a callable is found, it is invoked with the argument of the command, or None if the command takes no argument. Values should be added to this dictionary if commands wish to be handled. By default, only WILL, WONT, DO, and DONT are handled. These should not be overridden, as this class handles them correctly and provides an API for interacting with them. @ivar negotiationMap: A mapping of bytes to callables. When a subnegotiation command is received, the command byte (the first byte after SB) is looked up in this dictionary. If a callable is found, it is invoked with the argument of the subnegotiation. Values should be added to this dictionary if subnegotiations are to be handled. By default, no values are handled. @ivar options: A mapping of option bytes to their current state. This state is likely of little use to user code. Changes should not be made to it. @ivar state: A string indicating the current parse state. It can take on the values "data", "escaped", "command", "newline", "subnegotiation", and "subnegotiation-escaped". Changes should not be made to it. @ivar transport: This protocol's transport object. rI c C s. i | _ i | _t| jt| jt| jt| j i| _ d S rm ) �options�negotiationMap�WILL� telnet_WILL�WONT� telnet_WONT�DO� telnet_DO�DONT� telnet_DONT� commandMaprd r r r �__init__| s �zTelnet.__init__c C s | j �|� d S rm �� transport�write�re rI r r r �_write� s z Telnet._writec @ s4 e Zd ZdZG dd� d�Zdd� Zed�dd�Zd S ) zTelnet._OptionStatea Represents the state of an option on both sides of a telnet connection. @ivar us: The state of the option on this side of the connection. @ivar him: The state of the option on the other side of the connection. c @ s* e Zd ZdZdZdZdZed�dd�ZdS )z Telnet._OptionState._Perspectivea� Represents the state of an option on side of the telnet connection. Some options can be enabled on a particular side of the connection (RFC 1073 for example: only the client can have NAWS enabled). Other options can be enabled on either or both sides (such as RFC 1372: each side can have its own flow control state). @ivar state: C{'yes'} or C{'no'} indicating whether or not this option is enabled on one side of the connection. @ivar negotiating: A boolean tracking whether negotiation about this option is in progress. @ivar onResult: When negotiation about this option has been initiated by this side of the connection, a L{Deferred} which will fire with the result of the negotiation. L{None} at other times. �noFNr^ c C s | j d| j S )N�*)�state� negotiatingrd r r r rf � s z(Telnet._OptionState._Perspective.__str__) rQ rR rS �__doc__r� r� �onResultrg rf r r r r � _Perspective� s r� c C s | � � | _| � � | _d S rm )r� �us�himrd r r r r~ � s z Telnet._OptionState.__init__r^ c C s d| j � d| j� d�S )Nz<_OptionState us=z him=�>)r� r� rd r r r �__repr__� s z Telnet._OptionState.__repr__N)rQ rR rS r� r� r~ rg r� r r r r � _OptionState� s r� c C s | j �|| �� �S rm )rs � setdefaultr� �re �optr r r �getOptionState� s zTelnet.getOptionStatec C s | � tt | � d S rm )r� �IACry rp r r r �_do� s z Telnet._doc C s | � tt | � d S rm )r� r� r{ rp r r r �_dont� s z Telnet._dontc C s | � tt | � d S rm )r� r� ru rp r r r �_will� s z Telnet._willc C s | � tt | � d S rm )r� r� rw rp r r r �_wont� s z Telnet._wontc C sl | � |�}|jjs|jjr(t�t|��S |jjdkrBt�t|��S d|j_t� � |j_ }| � |� |S dS )z? Indicate our willingness to enable an option. �yesTN) r� r� r� r� r �failrk r� ri �Deferredr� r� �re rL �s�dr r r rW � s z Telnet.willc C sl | � |�}|jjs|jjr(t�t|��S |jjdkrBt�t|��S d|j_t� � |j_ }| � |� |S dS )zB Indicate we are not willing to enable an option. r� TN) r� r� r� r� r r� rk r� rj r� r� r� r� r r r rX � s z Telnet.wontc C sl | � |�}|jjs|jjr(t�t|��S |jjdkrBt�t|��S d|j_t� � |j_ }| � |� |S d S )Nr� T) r� r� r� r� r r� rk r� ri r� r� r� r� r r r rU � s z Telnet.doc C sl | � |�}|jjs|jjr(t�t|��S |jjdkrBt�t|��S d|j_t� � |j_ }| � |� |S d S )Nr� T) r� r� r� r� r r� rk r� rj r� r� r� r� r r r rV � s z Telnet.dontc C s2 |� ttd �}| �tt | | t t � dS )z� Send a negotiation message for the option C{about} with C{data} as the payload. @param data: the payload @type data: L{bytes} @see: L{ITelnetTransport.requestNegotiation} r N)�replacer� r� �SB�SE)re rY rI r r r rZ � s zTelnet.requestNegotiationc C sd g }t |�D �]:}| jdkrH|tkr,d| _n|dkr<d| _n |�|� q | jdkr�|tkrl|�|� d| _n�|tkr�d| _g | _nv|tttt t t t t ttf v r�d| _|r�| �d�|�� |d d �= | �|d � n(|ttttfv r�d| _|| _n td|��q | jdk�rDd| _| j}| `|�r6| �d�|�� |d d �= | �||� q | jdk�r�d| _|d k�rl|�d � n@|d k�r�|�d� n*|tk�r�|�d� d| _n|�d| � q | jdk�r�|tk�r�d | _n | j�|� q | jd k�r@|tk�r,d| _| j}| `|�r | �d�|�� |d d �= | �|� nd| _| j�|� q td ��q |�r`| �d�|�� d S ) NrI �escaped� �newlineZsubnegotiation� rF ZStumped� � zsubnegotiation-escapedzHow'd you do this?)r r� r� �appendr� �commands�EOR�NOP�DM�BRK�IP�AO�AYT�EC�EL�GA�applicationDataReceived�join�commandReceivedru rw ry r{ rF � ValueErrorr� � negotiate)re rI Z appDataBuffer�brF r� r r r � dataReceived sz zTelnet.dataReceivedc C s` | j �� D ]P}|jjd ur4|jj}d |j_|�|� |jjd ur |jj}d |j_|�|� q d S rm )rs �valuesr� r� �errbackr� )re �reasonr� r� r r r �connectionLostY s zTelnet.connectionLostc C s dS )z5 Called with application-level data. Nr r� r r r r� d s z Telnet.applicationDataReceivedc C s dS )zH Called for commands for which no handler is installed. Nr rn r r r rH i s zTelnet.unhandledCommandc C s. | j �|�}|d u r"| �||� n||� d S rm )r} �getrH )re rF rG �cmdFuncr r r r� n s zTelnet.commandReceivedc C s dS )zO Called for subnegotiations for which no handler is installed. Nr ro r r r rJ u s z Telnet.unhandledSubnegotiationc C sD |d |dd � }}| j �|�}|d u r8| �||� n||� d S )Nr r )rt r� rJ )re rI rF r� r r r r� z s zTelnet.negotiatec C s, | � |�}| j|jj|jjf | ||� d S rm )r� �willMapr� r� r� �re rL r� r r r rv � s zTelnet.telnet_WILLc C s, | � |�r d|j_| �|� n | �|� d S �Nr� )rN r� r� r� r� �re r� rL r r r � will_no_false� s zTelnet.will_no_falsec C sF d|j _d|j _|j j}d |j _|�d� | �|�sBJ d�|���d S )Nr� FTz?enableRemote must return True in this context (for option {!r}))r� r� r� r� �callbackrN �format�re r� rL r� r r r � will_no_true� s ���zTelnet.will_no_truec C s d S rm r r� r r r �will_yes_false� s zTelnet.will_yes_falsec C s dsJ d� ||���d S )NFzBwill_yes_true can never be entered, but was called with {!r}, {!r}�r� r� r r r � will_yes_true� s ���zTelnet.will_yes_true))r� F)r� T)r� F)r� Tc C s, | � |�}| j|jj|jjf | ||� d S rm )r� �wontMapr� r� r� r� r r r rx � s zTelnet.telnet_WONTc C s d S rm r r� r r r � wont_no_false� s zTelnet.wont_no_falsec C s* d|j _|j j}d |j _|�t|�� d S �NF)r� r� r� r� rh r� r r r � wont_no_true� s zTelnet.wont_no_truec C s d|j _| �|� | �|� d S �Nr� )r� r� rP r� r� r r r �wont_yes_false� s zTelnet.wont_yes_falsec C s8 d|j _d|j _|j j}d |j _|�d� | �|� d S �Nr� FT)r� r� r� r� r� rP r� r r r � wont_yes_true� s zTelnet.wont_yes_truec C s, | � |�}| j|jj|jjf | ||� d S rm )r� �doMapr� r� r� r� r r r rz � s zTelnet.telnet_DOc C s, | � |�r d|j_| �|� n | �|� d S r� )rM r� r� r� r� r� r r r � do_no_false� s zTelnet.do_no_falsec C s8 d|j _d|j _|j j}d |j _|�d� | �|� d S )Nr� FT)r� r� r� r� r� rM r� r r r � do_no_true� s zTelnet.do_no_truec C s d S rm r r� r r r � do_yes_false� s zTelnet.do_yes_falsec C s dsJ d� ||���d S )NFz@do_yes_true can never be entered, but was called with {!r}, {!r}r� r� r r r � do_yes_true� s ���zTelnet.do_yes_truec C s, | � |�}| j|jj|jjf | ||� d S rm )r� �dontMapr� r� r� r� r r r r| s zTelnet.telnet_DONTc C s d S rm r r� r r r � dont_no_false s zTelnet.dont_no_falsec C s* d|j _|j j}d |j _|�t|�� d S r� )r� r� r� r� rh r� r r r � dont_no_true s zTelnet.dont_no_truec C s d|j _| �|� | �|� d S r� )r� r� rO r� r� r r r �dont_yes_false s zTelnet.dont_yes_falsec C s8 d|j _d|j _|j j}d |j _|�d� | �|� d S r� )r� r� r� r� r� rO r� r r r � dont_yes_true s zTelnet.dont_yes_truec C s dS �z8 Reject all attempts to enable options. Fr rp r r r rM * s zTelnet.enableLocalc C s dS r� r rp r r r rN 0 s zTelnet.enableRemotec C s t d|����dS )a� Signal a programming error by raising an exception. L{enableLocal} must return true for the given value of C{option} in order for this method to be called. If a subclass of L{Telnet} overrides enableLocal to allow certain options to be enabled, it must also override disableLocal to disable those options. @raise NotImplementedError: Always raised. z.Don't know how to disable local telnet option N��NotImplementedErrorrp r r r rO 6 s �zTelnet.disableLocalc C s t d|����dS )a� Signal a programming error by raising an exception. L{enableRemote} must return true for the given value of C{option} in order for this method to be called. If a subclass of L{Telnet} overrides enableRemote to allow certain options to be enabled, it must also override disableRemote tto disable those options. @raise NotImplementedError: Always raised. z/Don't know how to disable remote telnet option Nr� rp r r r rP E s �zTelnet.disableRemoteN)5rQ rR rS r� r� r~ r� r� r� r� r� r� r� rW rX rU rV rZ r� r� r� rH r� rJ r� rv r� r� r� r� r� rx r� r� r� r� r� rz r� r� r� r� r� r| r� r� r� r� r� rM rN rO rP r r r r rr Y s� . Q � � � �rr c @ s4 e Zd Zdd� Zdd� Zdd� Zdd� Zd d � Zd S ) �ProtocolTransportMixinc C s | j �|�dd�� d S )Nr� s )r� r� r� r� r r r r� V s z ProtocolTransportMixin.writec C s | j �|� d S rm )r� � writeSequence)re �seqr r r r� Y s z$ProtocolTransportMixin.writeSequencec C s | j �� d S rm )r� �loseConnectionrd r r r r� \ s z%ProtocolTransportMixin.loseConnectionc C s | j �� S rm )r� �getHostrd r r r r� _ s z ProtocolTransportMixin.getHostc C s | j �� S rm )r� �getPeerrd r r r r� b s z ProtocolTransportMixin.getPeerN)rQ rR rS r� r� r� r� r� r r r r r� U s r� c @ sv e Zd ZdZdZdZdZddd�Zdd� Zdd � Z d d � Z d d � Z dd� Z dd� Z dd� Zdd� Zdd� Zdd� ZdS )�TelnetTransporta? @ivar protocol: An instance of the protocol to which this transport is connected, or None before the connection is established and after it is lost. @ivar protocolFactory: A callable which returns protocol instances which provide L{ITelnetProtocol}. This will be invoked when a connection is established. It is passed *protocolArgs and **protocolKwArgs. @ivar protocolArgs: A tuple of additional arguments to pass to protocolFactory. @ivar protocolKwArgs: A dictionary of additional arguments to pass to protocolFactory. FNc O s( t �| � |d ur$|| _|| _|| _d S rm )rr r~ �protocolFactory� protocolArgs�protocolKwArgs)re r� �a�kwr r r r~ } s zTelnetTransport.__init__c C sf | j d urb| j | ji | j��| _t�| j�s0J �z | j}W n tyL Y n 0 || j_| j�| � d S rm ) r� r� r� r rE Z providedBy�factory�AttributeError�makeConnection�re r� r r r �connectionMade� s �� z TelnetTransport.connectionMadec C s6 t �| |� | jd ur2z| j�|� W | `n| `0 d S rm )rr r� r �re r� r r r r� � s z TelnetTransport.connectionLostc C s | j �|�S rm )r rM rp r r r rM � s zTelnetTransport.enableLocalc C s | j �|�S rm )r rN rp r r r rN � s z TelnetTransport.enableRemotec C s | j �|�S rm )r rO rp r r r rO � s z TelnetTransport.disableLocalc C s | j �|�S rm )r rP rp r r r rP � s z TelnetTransport.disableRemotec C s | j �||� d S rm )r rJ ro r r r rJ � s z'TelnetTransport.unhandledSubnegotiationc C s | j �||� d S rm )r rH rn r r r rH � s z TelnetTransport.unhandledCommandc C s | j �|� d S rm �r r� r� r r r r� � s z'TelnetTransport.applicationDataReceivedc C s t �| |�dd�� d S )N� �s ��)r� r� r� r� r r r r� � s zTelnetTransport.write)N)rQ rR rS r� Z disconnectingr� r r~ r� r� rM rN rO rP rJ rH r� r� r r r r r� f s r� c @ s` e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z e diZ dd� Z dd� ZdS )�TelnetBootstrapProtocolNc O s || _ || _|| _d S rm )r� r� r� )re r� rc r� r r r r~ � s z TelnetBootstrapProtocol.__init__c s� �j �jjt< �j�jjt< tttfD ] � �j�� ��� �fdd�� q&t fD ] � �j� � ��� �fdd�� qN�j �j i �j ���_z �j}W n ty� Y n 0 |�j_�j��� d S )Nc s �j jd| � d�S )NzError do {opt!r}�r� �rq �failure��f�r� re r r �<lambda>� r� z8TelnetBootstrapProtocol.connectionMade.<locals>.<lambda>c s �j jd| � d�S )NzError setting will {opt!r}r� r� r� r� r r r� � r� )� telnet_NAWSr� rt �NAWS�telnet_LINEMODE�LINEMODE�SGArU � addErrback�ECHOrW r� r� r� r r� r� r� r� r r� r r� � s" � � z&TelnetBootstrapProtocol.connectionMadec C s* | j d ur&z| j �|� W | ` n| ` 0 d S rm )r r� r� r r r r� � s z&TelnetBootstrapProtocol.connectionLostc C s | j �|� d S rm r� r� r r r r� � s z$TelnetBootstrapProtocol.dataReceivedc C s |t kr dS |tkrdS dS d S �NTF)r r r� r r r rM � s z#TelnetBootstrapProtocol.enableLocalc C s> |t kr | j�t tt � dS |tkr*dS |tkr6dS dS d S r )r r� rZ �MODE�LINEMODE_TRAPSIGr� r r� r r r rN � s z$TelnetBootstrapProtocol.enableRemotec C sL t |�dkr4t�dd�|��\}}| jj�||� n| jjdt |�d� d S )Nr z!HHr� z$Wrong number of NAWS bytes: {nbytes})�nbytes) �len�struct�unpackr� r ZterminalProtocolZ terminalSizerq �error)re rI �width�heightr r r r� � s z#TelnetBootstrapProtocol.telnet_NAWS�SLCc C s d S rm r r� r r r r � s z'TelnetBootstrapProtocol.telnet_LINEMODEc C s> t t|�gd � }|D ]"\}}}dt|�t|�t|�f qd S )Nr r )�zip�iter�ord)re rI �chunksZ slcFunctionZslcValueZslcWhatr r r � linemode_SLC s z$TelnetBootstrapProtocol.linemode_SLC)rQ rR rS r r~ r� r� r� rM rN r� � LINEMODE_SLCZlinemodeSubcommandsr r r r r r r� � s r� )�basicc @ s, e Zd ZdZdZdd� Zdd� Zdd� Zd S ) �StatefulTelnetProtocolr� �Discardc C s t j�| |� t�| |� d S rm )r � LineReceiverr� rl r� r r r r� s z%StatefulTelnetProtocol.connectionLostc C sB | j }t| d| �|�}|d ur>| j |kr2|| _ n | j�d� d S )NZtelnet_z$state changed and new state returned)r� �getattrrq �warn)re �lineZoldStateZnewStater r r � lineReceived s z#StatefulTelnetProtocol.lineReceivedc C s d S rm r �re r r r r �telnet_Discard! s z%StatefulTelnetProtocol.telnet_DiscardN)rQ rR rS � delimiterr� r� r r r r r r r s r )� credentialsc @ sP e Zd ZdZdZdZdd� Zdd� Zdd � Zd d � Z d d � Z dd� Z dd� Z dS )� AuthenticatingTelnetProtocola� A protocol which prompts for credentials and attempts to authenticate them. Username and password prompts are given (the password is obscured). When the information is collected, it is passed to a portal and an avatar implementing L{ITelnetProtocol} is requested. If an avatar is returned, it connected to this protocol's transport, and this protocol's transport is connected to it. Otherwise, the user is re-prompted for credentials. �UserNc C s || _ d S rm )�portal)re r$ r r r r~ 6 s z%AuthenticatingTelnetProtocol.__init__c C s | j �d� d S )N� Username: r rd r r r r� 9 s z+AuthenticatingTelnetProtocol.connectionMadec C sF t �| |� | jd urBz | j�|� | �� W | `| `n | `| `0 d S rm )r r� r �logoutr� r r r r� < s z+AuthenticatingTelnetProtocol.connectionLostc C s" || _ | j�t� | j�d� dS )Ns Password: ZPassword)�usernamer� rW r r� r r r r � telnet_UserE s z(AuthenticatingTelnetProtocol.telnet_Userc s6 �j | �� �` � ��fdd�}�j�t��|� dS )Nc s8 t ��� �}�j�|d t�}|��j� |��j� d S rm ) r! ZUsernamePasswordr$ �loginrE � addCallback�_cbLoginr �_ebLogin)Zignored�credsr� ��passwordre r' r r r) O s z;AuthenticatingTelnetProtocol.telnet_Password.<locals>.loginr )r' r� rX r r* )re r r) r r. r �telnet_PasswordK s z,AuthenticatingTelnetProtocol.telnet_Passwordc C s@ |\}}}|t u sJ �|| _|| _d| _|�| j� || j_d S )N�Command)rE r r& r� r� r� )re ZialZ interfacer r& r r r r+ X s z%AuthenticatingTelnetProtocol._cbLoginc C s" | j �d� | j �d� d| _d S )Ns Authentication failed r% r# )r� r� r� )re r� r r r r, b s z%AuthenticatingTelnetProtocol._ebLogin) rQ rR rS r� r� r r~ r� r� r( r0 r+ r, r r r r r" ( s r" ) r[ r] rh rk ri rj rE rT rr rl r� r� )}r� r Zzope.interfacer Ztwisted.internetr r Z iinternetr Ztwisted.loggerr Ztwisted.python.compatr �intr r r ZEDITZTRAPSIGZMODE_ACKZSOFT_TABZLIT_ECHOZNULLZBELZBSZHTZLF�VTZFF�CRr r r� r r� r� r� r� r� r� r� r� r� r� r� r� ru rw ry r{ r� Z LINEMODE_MODEZ LINEMODE_EDITr ZLINEMODE_MODE_ACKZLINEMODE_SOFT_TABZLINEMODE_LIT_ECHOZLINEMODE_FORWARDMASKr ZLINEMODE_SLC_SYNCHZLINEMODE_SLC_BRKZLINEMODE_SLC_IPZLINEMODE_SLC_AOZLINEMODE_SLC_AYTZLINEMODE_SLC_EORZLINEMODE_SLC_ABORTZLINEMODE_SLC_EOFZLINEMODE_SLC_SUSPZLINEMODE_SLC_ECZLINEMODE_SLC_ELZLINEMODE_SLC_EWZLINEMODE_SLC_RPZLINEMODE_SLC_LNEXTZLINEMODE_SLC_XONZLINEMODE_SLC_XOFFZLINEMODE_SLC_FORW1ZLINEMODE_SLC_FORW2ZLINEMODE_SLC_MCLZLINEMODE_SLC_MCRZLINEMODE_SLC_MCWLZLINEMODE_SLC_MCWRZLINEMODE_SLC_MCBOLZLINEMODE_SLC_MCEOLZLINEMODE_SLC_INSRTZLINEMODE_SLC_OVERZLINEMODE_SLC_ECRZLINEMODE_SLC_EWRZLINEMODE_SLC_EBOLZLINEMODE_SLC_EEOLZLINEMODE_SLC_DEFAULTZLINEMODE_SLC_VALUEZLINEMODE_SLC_CANTCHANGEZLINEMODE_SLC_NOSUPPORTZLINEMODE_SLC_LEVELBITSZLINEMODE_SLC_ACKZLINEMODE_SLC_FLUSHINZLINEMODE_SLC_FLUSHOUTZ LINEMODE_EOFZ LINEMODE_SUSPZLINEMODE_ABORTZ IProtocolrE Z ITransportrT � Exceptionr[ r] rh ri rj rk �Protocolrl rr r� r� r� Ztwisted.protocolsr r r Z twisted.credr! r" �__all__r r r r �<module> s� DK MY @
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