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� ��ic @ s� d Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l Z d d d d g Z e j d Z d Z d d d � � YZ e � a d Z d Z d Z d d � Z d e j f d � � YZ d e j f d � � YZ d e f d � � YZ d e f d � � YZ d e f d � � YZ d d d � � YZ d � Z e d k r�e � Z e j Z d e k r�e j d � Z e! e e e" � e# � d g � Z$ e e d Z n d d l% Z$ e& e$ e � Z' e' e j( e j) f e j* e j+ f � Z, e j- r�y d d l. Z. Wn+ e/ k rIe j0 d IJe j1 d � n Xe. j2 d � d Z3 y e j- e3 � Wq�e4 k r�Z5 e5 j e j6 k r�� n e j0 d IJe j1 d � q�Xn y e j7 � Wq�e8 k r�q�Xn d S(! sc An RFC 2821 smtp proxy. Usage: %(program)s [options] [localhost:localport [remotehost:remoteport]] Options: --nosetuid -n This program generally tries to setuid `nobody', unless this flag is set. The setuid call will fail if this program is not run as root (in which case, use this flag). --version -V Print the version number and exit. --class classname -c classname Use `classname' as the concrete SMTP proxy class. Uses `PureProxy' by default. --debug -d Turn on debugging prints. --help -h Print this message and exit. Version: %(__version__)s If localhost is not given then `localhost' is used, and if localport is not given then 8025 is used. If remotehost is not given then `localhost' is used, and if remoteport is not given, then 25 is used. i����Nt SMTPServert DebuggingServert PureProxyt MailmanProxyi s Python SMTP proxy version 0.2t Devnullc B s e Z d � Z d � Z RS( c C s d S( N( ( t selft msg( ( s /usr/lib64/python2.7/smtpd.pyt writeX s c C s d S( N( ( R ( ( s /usr/lib64/python2.7/smtpd.pyt flushY s ( t __name__t __module__R R ( ( ( s /usr/lib64/python2.7/smtpd.pyR W s s t s , c C s; t j t t � IJ| r* t j | IJn t j | � d S( N( t syst stderrt __doc__t globalst exit( t codeR ( ( s /usr/lib64/python2.7/smtpd.pyt usageb s t SMTPChannelc B s� e Z d Z d Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z RS( i i c C s t j j | | � | | _ | | _ | | _ g | _ | j | _ d | _ d | _ g | _ d | _ t j � | _ y | j � | _ Wn: t j k r� } | j � | d t j k r� � n d SXt d It | j � IJ| j d | j t f � | j d � d S( Ni R s Peer:s 220 %s %ss ( t asynchatt async_chatt __init__t _SMTPChannel__servert _SMTPChannel__connt _SMTPChannel__addrt _SMTPChannel__linet COMMANDt _SMTPChannel__statet _SMTPChannel__greetingt Nonet _SMTPChannel__mailfromt _SMTPChannel__rcpttost _SMTPChannel__datat sockett getfqdnt _SMTPChannel__fqdnt getpeernamet _SMTPChannel__peert errort closet errnot ENOTCONNt DEBUGSTREAMt reprt pusht __version__t set_terminator( R t servert connt addrt err( ( s /usr/lib64/python2.7/smtpd.pyR m s* c C s t j j | | d � d S( Ns ( R R R- ( R R ( ( s /usr/lib64/python2.7/smtpd.pyR- � s c C s | j j | � d S( N( R t append( R t data( ( s /usr/lib64/python2.7/smtpd.pyt collect_incoming_data� s c C s� t j | j � } t d It | � IJg | _ | j | j k r� | sZ | j d � d Sd } | j d � } | d k r� | j � } d } n$ | | j � } | | d j � } t | d | d � } | s� | j d | � d S| | � d S| j | j k r| j d � d Sg } xN | j d � D]= } | r\| d d k r\| j | d � q,| j | � q,Wt j | � | _ | j j | j | j | j | j � } g | _ d | _ | j | _ | j d � | s�| j d � n | j | � d S( Ns Data:s 500 Error: bad syntaxt i i t smtp_s' 502 Error: command "%s" not implementeds 451 Internal confusions t .s 250 Ok( t EMPTYSTRINGt joinR R+ R, R R R- R t findt uppert stript getattrt DATAt splitR4 t NEWLINER! R t process_messageR& R R R/ ( R t linet methodt it commandt argR5 t textt status( ( s /usr/lib64/python2.7/smtpd.pyt found_terminator� sP c C sQ | s | j d � d S| j r0 | j d � n | | _ | j d | j � d S( Ns 501 Syntax: HELO hostnames 503 Duplicate HELO/EHLOs 250 %s( R- R R$ ( R RH ( ( s /usr/lib64/python2.7/smtpd.pyt smtp_HELO� s c C s' | r | j d � n | j d � d S( Ns 501 Syntax: NOOPs 250 Ok( R- ( R RH ( ( s /usr/lib64/python2.7/smtpd.pyt smtp_NOOP� s c C s | j d � | j � d S( Ns 221 Bye( R- t close_when_done( R RH ( ( s /usr/lib64/python2.7/smtpd.pyt smtp_QUIT� s c C s� d } t | � } | | j � | k r� | | j � } | sA q� | d d k r� | d d k r� | d k r� | d d !} q� n | S( Ni t <i����t >s <>i ( R t lenR= R> ( R t keywordRH t addresst keylen( ( s /usr/lib64/python2.7/smtpd.pyt __getaddr� s ,c C s� t d I| IJ| r( | j d | � n d } | sE | j d � d S| j r_ | j d � d S| | _ t d I| j IJ| j d � d S( Ns ===> MAILs FROM:s 501 Syntax: MAIL FROM:<address>s 503 Error: nested MAIL commands sender:s 250 Ok( R+ t _SMTPChannel__getaddrR R- R ( R RH RT ( ( s /usr/lib64/python2.7/smtpd.pyt smtp_MAIL� s c C s� t d I| IJ| j s* | j d � d S| rB | j d | � n d } | s_ | j d � d S| j j | � t d I| j IJ| j d � d S( Ns ===> RCPTs 503 Error: need MAIL commands TO:s 501 Syntax: RCPT TO: <address>s recips:s 250 Ok( R+ R R- RW R R R4 ( R RH RT ( ( s /usr/lib64/python2.7/smtpd.pyt smtp_RCPT� s c C sO | r | j d � d Sd | _ g | _ d | _ | j | _ | j d � d S( Ns 501 Syntax: RSETR s 250 Ok( R- R R R R! R R ( R RH ( ( s /usr/lib64/python2.7/smtpd.pyt smtp_RSET� s c C s[ | j s | j d � d S| r1 | j d � d S| j | _ | j d � | j d � d S( Ns 503 Error: need RCPT commands 501 Syntax: DATAs . s# 354 End data with <CR><LF>.<CR><LF>( R R- R@ R R/ ( R RH ( ( s /usr/lib64/python2.7/smtpd.pyt smtp_DATA s ( R R R R@ R R- R6 RK RL RM RO RW RX RY RZ R[ ( ( ( s /usr/lib64/python2.7/smtpd.pyR i s 1 c B s# e Z d � Z d � Z d � Z RS( c C s� | | _ | | _ t j j | � y> | j t j t j � | j � | j | � | j d � Wn | j � � n0 Xt d | j j t j t j � � | | f IJd S( Ni s0 %s started at %s Local addr: %s Remote addr:%s( t _localaddrt _remoteaddrt asyncoret dispatcherR t create_socketR" t AF_INETt SOCK_STREAMt set_reuse_addrt bindt listenR( R+ t __class__R t timet ctime( R t localaddrt remoteaddr( ( s /usr/lib64/python2.7/smtpd.pyR s c C sQ | j � } | d k rM | \ } } t d t | � IJt | | | � } n d S( Ns Incoming connection from %s( t acceptR R+ R, R ( R t pairR1 R2 t channel( ( s /usr/lib64/python2.7/smtpd.pyt handle_accept) s c C s t � d S( sI Override this abstract method to handle messages from the client. peer is a tuple containing (ipaddr, port) of the client that made the socket connection to our smtp port. mailfrom is the raw address the client claims the message is coming from. rcpttos is a list of raw addresses the client wishes to deliver the message to. data is a string containing the entire full text of the message, headers (if supplied) and all. It has been `de-transparencied' according to RFC 821, Section 4.5.2. In other words, a line containing a `.' followed by other text has had the leading dot removed. This function should return None, for a normal `250 Ok' response; otherwise it returns the desired response string in RFC 821 format. N( t NotImplementedError( R t peert mailfromt rcpttosR5 ( ( s /usr/lib64/python2.7/smtpd.pyRC 1 s ( R R R Rn RC ( ( ( s /usr/lib64/python2.7/smtpd.pyR s c B s e Z d � Z RS( c C s\ d } | j d � } d GHx6 | D]. } | rJ | rJ d G| d GHd } n | GHq! Wd GHd S( Ni s s% ---------- MESSAGE FOLLOWS ----------s X-Peer:i s% ------------ END MESSAGE ------------( RA ( R Rp Rq Rr R5 t inheaderst linesRD ( ( s /usr/lib64/python2.7/smtpd.pyRC L s ( R R RC ( ( ( s /usr/lib64/python2.7/smtpd.pyR J s c B s e Z d � Z d � Z RS( c C s� | j d � } d } x" | D] } | s, Pn | d 7} q W| j | d | d � t j | � } | j | | | � } t d I| IJd S( Ns i i s X-Peer: %ss we got some refusals:( RA t insertRB R; t _deliverR+ ( R Rp Rq Rr R5 Rt RF RD t refused( ( s /usr/lib64/python2.7/smtpd.pyRC Z s c C s d d l } i } yU | j � } | j | j d | j d � z | j | | | � } Wd | j � XWn� | j k r� } t d IJ| j } nw t j | j f k r} t d I| j IJt | d d � } t | d d � } x" | D] } | | f | | <q� Wn X| S( Ni����i i s got SMTPRecipientsRefusedt gott smtp_codet smtp_errort ignore( t smtplibt SMTPt connectR] t sendmailt quitt SMTPRecipientsRefusedR+ t recipientsR" R' t SMTPExceptionRf R? ( R Rq Rr R5 R| Rw t st et errcodet errmsgt r( ( s /usr/lib64/python2.7/smtpd.pyRv h s$ ( R R RC Rv ( ( ( s /usr/lib64/python2.7/smtpd.pyR Y s c B s e Z d � Z RS( c C s d d l m } d d l m } d d l m } d d l m } g } x� | D]� } | j � j d � d } | j d � } t | � d k r� qM n | d } t | � d k r� | d } n d } | j | � sM | d! k r� qM n | j | | | f � qM Wx$ | D] \ } } } | j | � qWt d Id j | � IJ| rl| j | | | � } t d I| IJn i } | | � } | j | � } | j d � s�| | d <n | j d � s�t j t j � � | d <n x+| D]#\ } } } t d I| IJ| j | � } | s1| j | d d �} | | | <n | d k rS| j | d d �q�| d k ru| j | d d �q�| d k r�| j | d d �q�| d k r�| j | d d �q�| d" k r�| d k r�d | d <n d | d <| j | d d �q�q�Wd S(# Ni����( t StringIO( t Utils( t Message( t MailListt @i t -i i R t admint ownert requestR; t leaves forwarding recips:R7 s we got refusals:t fromt Fromt datet Dates sending message tot lockt tolistt toadmint toownert torequestt subscribet Subjectt unsubscribe( R R� R� R� s joinR� ( s joinR� ( t cStringIOR� t MailmanR� R� R� t lowerRA RR t list_existsR4 t removeR+ R; Rv t getheaderRg Rh t gett Enqueue( R Rp Rq Rr R5 R� R� R� R� t listnamest rcptt localt partst listnameRG Rw t mlistsR� R t mlist( ( s /usr/lib64/python2.7/smtpd.pyRC � sd ( R R RC ( ( ( s /usr/lib64/python2.7/smtpd.pyR � s t Optionsc B s e Z d Z d Z RS( i R ( R R t setuidt classname( ( ( s /usr/lib64/python2.7/smtpd.pyR� � s c C s� y5 t j t j d d d d d d d g � \ } } Wn# t j k rZ } t d | � n Xt � } x� | D]� \ } } | d k r� t d � qk | d k r� t j t IJt j d � qk | d k r� d | _ qk | d k r� | | _ qk | d! k rk t j a qk qk Wt | � d k r&d } d } nh t | � d k rK| d } d } nC t | � d k rt| d } | d } n t d d t j | � � | j d � } | d k r�t d d | � n | | | _ y t | | d � | _ Wn" t k r t d d | � n X| j d � } | d k r9t d d | � n | | | _ y t | | d � | _ Wn" t k r�t d d | � n X| S(" Ni s nVhc:ds class=t nosetuidt versiont helpt debugs -hs --helpi s -Vs --versions -ns --nosetuids -cs --classs -ds --debugs localhost:8025s localhost:25i i s Invalid arguments: %st :s Bad local spec: %ss Bad local port: %ss Bad remote spec: %ss Bad remote port: %s( s -hs --help( s -Vs --version( s -ns --nosetuid( s -cs --class( s -ds --debug( t getoptR t argvR' R R� R R. R R� R� R+ RR t COMMASPACER; R< t localhostt intt localportt ValueErrort remotehostt remoteport( t optst argsR� t optionst optRH t localspect remotespecRF ( ( s /usr/lib64/python2.7/smtpd.pyt parseargs� s\ " t __main__R9 i s7 Cannot import module "pwd"; try running with -n option.t nobodyi s3 Cannot setuid "nobody"; try running with -n option.( ( (9 R R t osR) R� Rg R" R^ R t __all__R� t programR. R R+ RB R: R� R R R R_ R R R R R� R� R R� R� t rfindt lastdott __import__R t localst modR� R? t class_R� R� R� R� t proxyR� t pwdt ImportErrorR R t getpwnamR� t OSErrorR� t EPERMt loopt KeyboardInterrupt( ( ( s /usr/lib64/python2.7/smtpd.pyt <module>$ sn $ �6(N 8 "