Yf-@s$dZddlZddlZddlZddlZddlZddlZddlZddlZddl Z ddl m Z ddl m Z mZddddgZejdZd ZGd d d Zead Zd ZdZdddZGdddejZGdddejZGdddeZGdddeZGdddeZGdddZ ddZ!e"dkr e!Z#e#j$Z$de$kre$j%dZ&e'e$de&e(e)dgZ*e$e&ddZ$n ddl+Z*e,e*e$Z-e-e#j.e#j/fe#j0e#j1fe#j2de#j3Z4e#j5ryddl6Z6Wn2e7k re8d d!ej9ej:dYnXe6j;d"d#Z<yej5e<Wn2e=k re8d$d!ej9ej:dYnXyej>Wne?k rYnXdS)%aAn RFC 5321 smtp proxy with optional RFC 1870 and RFC 6531 extensions. 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. --size limit -s limit Restrict the total size of the incoming message to "limit" number of bytes via the RFC 1870 SIZE extension. Defaults to 33554432 bytes. --smtputf8 -u Enable the SMTPUTF8 extension and behave as an RFC 6531 smtp proxy. --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. N)warn) get_addr_specget_angle_addr SMTPServerDebuggingServer PureProxy MailmanProxyzPython SMTP proxy version 0.3c@s(eZdZddZddZdS)DevnullcCsdS)N)selfmsgr r */opt/alt/python35/lib64/python3.5/smtpd.pywritecsz Devnull.writecCsdS)Nr )r r r r flushdsz Devnull.flushN)__name__ __module__ __qualname__rrr r r r r bs  r  z, icCsDtttdtj|r3t|dtjtj|dS)Nfile)print__doc__globalssysstderrexit)coder r r r usagemsrc@seZdZdZdZdZejeddZe ddZ e dd dd d Z d d Z ddZe ddZejddZe ddZejddZe ddZejddZe ddZejddZe ddZejddZe dd Zejd!d Ze d"d#Zejd$d#Ze d%d&Zejd'd&Ze d(d)Zejd*d)Ze d+d,Zejd-d,Ze d.d/Zejd0d/Zd1d2Zd3d4Zd5d6Zd7d8Zd9d:Zd;d<Z d=d>Z!d?d@Z"dAdBZ#dCdDZ$dEdFZ%dGdHZ&dIdJZ'dKdLZ(dMdNZ)dOdPZ*dQdRZ+dS)S SMTPChannelricCs|S)Nr )xr r r yszSMTPChannel.c Cs7yt|jjSWntk r2|jSYnXdS)N)maxcommand_size_limitsvalues ValueErrorcommand_size_limit)r r r r max_command_size_limit{s z"SMTPChannel.max_command_size_limitNFc Cstjj||d|||_||_||_||_||_|rd|r^tdd}|dkrt dt dd}||_ |rd|_ d|_ d |_t|_n*d |_ d |_ td |_d |_|jd|_d|_|jjtj|_y|j|_WnLtk r}z,|j|jdtj kridSWYdd}~XnXt!dt"|jdt#|j$d|jt%fdS)NmapzFdecode_data and enable_SMTPUTF8 cannot be set to True at the same timeFzgThe decode_data default of True will change to False in 3.6; specify an explicit value for this keywordTrz .s .s rzPeer:rz 220 %s %s)&asynchat async_chat__init__ smtp_serverconnaddrdata_size_limitenable_SMTPUTF8r%rDeprecationWarning _decode_data _emptystring_linesep_dotsepNEWLINE_newlineord_set_rset_state seen_greeting extended_smtpr#clearsocketZgetfqdnfqdnZ getpeernamepeerOSErrorcloseargserrnoZENOTCONNrrepr DEBUGSTREAMpush __version__) r Zserverr1r2r3r(r4 decode_dataerrr r r r/sL                     zSMTPChannel.__init__cCsA|j|_d|_g|_d|_d|_|jddS)z/Reset state variables to their post-DATA state.NFrs )COMMAND smtp_statemailfromrcpttosrequire_SMTPUTF8 num_bytesset_terminator)r r r r _set_post_data_states      z SMTPChannel._set_post_data_statecCs |jd|_g|_dS)z.Reset all state variables except the greeting.rN)rU received_datareceived_lines)r r r r r=s  zSMTPChannel._set_rset_statecCstdtd|jS)NzTAccess to __server attribute on SMTPChannel is deprecated, use 'smtp_server' insteadr))rr5r0)r r r r __servers zSMTPChannel.__servercCstdtd||_dS)NzRSetting __server attribute on SMTPChannel is deprecated, set 'smtp_server' insteadr))rr5r0)r valuer r r rXs cCstdtd|jS)NzUAccess to __line attribute on SMTPChannel is deprecated, use 'received_lines' insteadr))rr5rW)r r r r __lines zSMTPChannel.__linecCstdtd||_dS)NzSSetting __line attribute on SMTPChannel is deprecated, set 'received_lines' insteadr))rr5rW)r rYr r r rZs cCstdtd|jS)NzRAccess to __state attribute on SMTPChannel is deprecated, use 'smtp_state' insteadr))rr5rO)r r r r __states zSMTPChannel.__statecCstdtd||_dS)NzPSetting __state attribute on SMTPChannel is deprecated, set 'smtp_state' insteadr))rr5rO)r rYr r r r[s cCstdtd|jS)NzXAccess to __greeting attribute on SMTPChannel is deprecated, use 'seen_greeting' insteadr))rr5r>)r r r r __greetings zSMTPChannel.__greetingcCstdtd||_dS)NzVSetting __greeting attribute on SMTPChannel is deprecated, set 'seen_greeting' insteadr))rr5r>)r rYr r r r\s cCstdtd|jS)NzSAccess to __mailfrom attribute on SMTPChannel is deprecated, use 'mailfrom' insteadr))rr5rP)r r r r __mailfroms zSMTPChannel.__mailfromcCstdtd||_dS)NzQSetting __mailfrom attribute on SMTPChannel is deprecated, set 'mailfrom' insteadr))rr5rP)r rYr r r r]s cCstdtd|jS)NzQAccess to __rcpttos attribute on SMTPChannel is deprecated, use 'rcpttos' insteadr))rr5rQ)r r r r __rcpttoss zSMTPChannel.__rcpttoscCstdtd||_dS)NzOSetting __rcpttos attribute on SMTPChannel is deprecated, set 'rcpttos' insteadr))rr5rQ)r rYr r r r^s cCstdtd|jS)NzTAccess to __data attribute on SMTPChannel is deprecated, use 'received_data' insteadr))rr5rV)r r r r __datas zSMTPChannel.__datacCstdtd||_dS)NzRSetting __data attribute on SMTPChannel is deprecated, set 'received_data' insteadr))rr5rV)r rYr r r r_s cCstdtd|jS)NzKAccess to __fqdn attribute on SMTPChannel is deprecated, use 'fqdn' insteadr))rr5rB)r r r r __fqdns zSMTPChannel.__fqdncCstdtd||_dS)NzISetting __fqdn attribute on SMTPChannel is deprecated, set 'fqdn' insteadr))rr5rB)r rYr r r r`s cCstdtd|jS)NzKAccess to __peer attribute on SMTPChannel is deprecated, use 'peer' insteadr))rr5rC)r r r r __peers zSMTPChannel.__peercCstdtd||_dS)NzISetting __peer attribute on SMTPChannel is deprecated, set 'peer' insteadr))rr5rC)r rYr r r ras cCstdtd|jS)NzKAccess to __conn attribute on SMTPChannel is deprecated, use 'conn' insteadr))rr5r1)r r r r __conn$s zSMTPChannel.__conncCstdtd||_dS)NzISetting __conn attribute on SMTPChannel is deprecated, set 'conn' insteadr))rr5r1)r rYr r r rb)s cCstdtd|jS)NzKAccess to __addr attribute on SMTPChannel is deprecated, use 'addr' insteadr))rr5r2)r r r r __addr/s zSMTPChannel.__addrcCstdtd||_dS)NzISetting __addr attribute on SMTPChannel is deprecated, set 'addr' insteadr))rr5r2)r rYr r r rc4s cCs3tjj|t|d|jr%dnddS)Nz zutf-8ascii)r-r.rJbytesrR)r r r r r rJ;szSMTPChannel.pushcCsd}|j|jkr$|j}n|j|jkr?|j}|rX|j|krXdS|rs|jt|7_|jr|jj t |dn|jj |dS)Nzutf-8) rOrNr'DATAr3rSlenr6rWappendstr)r datalimitr r r collect_incoming_data@s   z!SMTPChannel.collect_incoming_datac Cs|jj|j}tdt|dtg|_|j|jkrf|jd}|_|ss|j ddS|j st |d}|j d}|dkr|j }d}n0|d|j }||ddj}|jr|j|n|j}||kr'|j ddSt|d |d}|sX|j d |dS||dS|j|jkr|j d d|_dS|jr|j|jkr|j d d|_dSg}xZ|j|jD]F} | r| d|jkr|j| ddq|j| qW|jj||_|j|j|j|jf} i} |j sd |jd|ji} |j j!| | } |j"| s|j dn |j | dS)NzData:rrz500 Error: bad syntaxzutf-8 rz500 Error: line too longZsmtp_z&500 Error: command "%s" not recognizedz451 Internal confusionz552 Error: Too much mail data mail_options rcpt_optionsz250 OK)#r7joinrWrrHrIrOrNrSrJr6rifindupperstripr?r#r&getattrrfr3splitr8r9rhr;rVrCrPrQrnror0process_messagerU) r lineZszicommandargZmax_szmethodrjtextrFkwargsZstatusr r r found_terminatorPsd                zSMTPChannel.found_terminatorcCs\|s|jddS|jr1|jddS|j||_|jd|jdS)Nz501 Syntax: HELO hostnamez503 Duplicate HELO/EHLOz250 %s)rJr>r=rB)r rzr r r smtp_HELOs     zSMTPChannel.smtp_HELOcCs|s|jddS|jr1|jddS|j||_d|_|jd|j|jr|jd|j|jdd7<|js|jd|jr|jd |jdd 7<|jd dS) Nz501 Syntax: EHLO hostnamez503 Duplicate HELO/EHLOTz250-%sz 250-SIZE %sMAILz 250-8BITMIMEz 250-SMTPUTF8 z250 HELP) rJr>r=r?rBr3r#r6r4)r rzr r r smtp_EHLOs&           zSMTPChannel.smtp_EHLOcCs'|r|jdn |jddS)Nz501 Syntax: NOOPz250 OK)rJ)r rzr r r smtp_NOOPszSMTPChannel.smtp_NOOPcCs|jd|jdS)Nz221 Bye)rJZclose_when_done)r rzr r r smtp_QUITs zSMTPChannel.smtp_QUITcCs@t|}|d|j|kr<||djSdS)Nr)rgrrrs)r keywordrzZkeylenr r r _strip_command_keywords z"SMTPChannel._strip_command_keywordcCsc|s dS|jjdr4t|\}}nt|\}}|sV||fS|j|fS)Nr<)rr)lstrip startswithrrZ addr_spec)r rzaddressrestr r r _getaddrs zSMTPChannel._getaddrcCsgi}xZ|D]R}|jd\}}}|j sE|rI| rIdS|rU|nd||]ZEHLOz250 Syntax: EHLO hostnameZHELOz250 Syntax: HELO hostnamerz 250 Syntax: MAIL FROM:
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)rrJ)r rzrrr r r smtp_VRFYs zSMTPChannel.smtp_VRFYcCse|js|jddStd|dtd}|jrF|d7}|dkrc|j|dS|jd|}|j|\}}|s|j|dS|j r|r|j|dS|jr|jddS|jj |_ |j |j }|dkr |j|dS|j sX|j dd }|dkrX|jd dS|jr|j d d }|dkrd|_n|d k r|jddS|j dd}|r |js|j|dS|jr t||jkr |jddSt|jdkr5|jddS||_td|jdt|jddS)Nz503 Error: send HELO firstz ===> MAILrz 501 Syntax: MAIL FROM:
z [SP ]zFROM:z503 Error: nested MAIL commandZBODY7BIT8BITMIMEz1501 Error: BODY can only be one of 7BIT, 8BITMIMEZSMTPUTF8FTz&501 Error: SMTPUTF8 takes no argumentsZSIZEz:552 Error: message size exceeds fixed maximum message sizerz:555 MAIL FROM parameters not recognized or not implementedzsender:z250 OK)rr)r>rJrrIr?rrrPrrrurnrr6popr4rRisdigitr3intrgkeys)r rz syntaxerrrrZbodysmtputf8sizer r r smtp_MAILsh                         zSMTPChannel.smtp_MAILcCs|js|jddStd|dt|jsG|jddSd}|jr`|d7}|dkr}|j|dS|jd|}|j|\}}|s|j|dS|j r|r|j|dS|jj |_ |j |j }|dkr |j|dSt |j dkrI|jd dS|jj|td |jdt|jd dS) Nz503 Error: send HELO firstz ===> RCPTrz503 Error: need MAIL commandz501 Syntax: RCPT TO:
z [SP ]zTO:rz8555 RCPT TO parameters not recognized or not implementedzrecips:z250 OK)r>rJrrIrPr?rrrrrurorrgrrQrh)r rzrrrr r r smtp_RCPT;s@             zSMTPChannel.smtp_RCPTcCs2|r|jddS|j|jddS)Nz501 Syntax: RSETz250 OK)rJr=)r rzr r r smtp_RSET^s   zSMTPChannel.smtp_RSETcCsu|js|jddS|js4|jddS|rK|jddS|j|_|jd|jddS)Nz503 Error: send HELO firstz503 Error: need RCPT commandz501 Syntax: DATAs . z#354 End data with .)r>rJrQrfrOrT)r rzr r r smtp_DATAes       zSMTPChannel.smtp_DATAcCs|jddS)Nz502 EXPN not implemented)rJ)r rzr r r smtp_EXPNtszSMTPChannel.smtp_EXPN),rrrrNrfr& collections defaultdictr#propertyr'DATA_SIZE_DEFAULTr/rUr=Z_SMTPChannel__serversetterZ_SMTPChannel__lineZ_SMTPChannel__stateZ_SMTPChannel__greetingZ_SMTPChannel__mailfromZ_SMTPChannel__rcpttosZ_SMTPChannel__dataZ_SMTPChannel__fqdnZ_SMTPChannel__peerZ_SMTPChannel__connZ_SMTPChannel__addrrJrlr~rrrrrrrrrrrrrrr r r r rts` -    >     # 6 #  rc@sFeZdZeZedddddZddZddZdS) rNFc Cs4||_||_||_||_|rB|r<tdd}|dkrdtdtdd}||_tj j |d|y`t j |dt j }|j|dd|dd |j|j||jd Wn|jYn6Xtd |jjtjtj||fd tdS) NzVThe decode_data and enable_SMTPUTF8 parameters cannot be set to True at the same time.FzgThe decode_data default of True will change to False in 3.6; specify an explicit value for this keywordr)Tr(typerrz0%s started at %s Local addr: %s Remote addr:%sr)Z _localaddr _remoteaddrr3r4r%rr5r6asyncore dispatcherr/rAZ getaddrinfoZ SOCK_STREAMZ create_socketZset_reuse_addrZbindZlistenrEr __class__rtimectimerI)r Z localaddrZ remoteaddrr3r(r4rLZ gai_resultsr r r r/|s6              zSMTPServer.__init__cCsKtdt|dt|j||||j|j|j|j}dS)NzIncoming connection from %sr)rrHrI channel_classr3Z_mapr4r6)r r1r2Zchannelr r r handle_accepteds zSMTPServer.handle_acceptedcKs tdS)a8Override 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. kwargs is a dictionary containing additional information. It is empty unless decode_data=False or enable_SMTPUTF8=True was given as init parameter, in which case ut will contain the following keys: 'mail_options': list of parameters to the mail command. All elements are uppercase strings. Example: ['BODY=8BITMIME', 'SMTPUTF8']. 'rcpt_options': same, for the rcpt command. This function should return None for a normal `250 Ok' response; otherwise, it should return the desired response string in RFC 821 format. N)NotImplementedError)r rCrPrQrjr}r r r rvszSMTPServer.process_message) rrrrrrr/rrvr r r r rxs " c@s(eZdZddZddZdS)rcCsd}|j}x|D]z}|rn| rnd|d}t|ts^t|jd}t|d}t|tst|}t|qWdS)NrzX-Peer: rzutf-8) splitlines isinstancerirHencoder)r rCrjZ inheaderslinesrwZ peerheaderr r r _print_message_contents     z&DebuggingServer._print_message_contentcKsptd|rR|jdr1td|d|jdrRtd|d|j||tddS)Nz%---------- MESSAGE FOLLOWS ----------rnzmail options: %srozrcpt options: %s z%------------ END MESSAGE ------------)rgetr)r rCrPrQrjr}r r r rvs zDebuggingServer.process_messageN)rrrrrvr r r r rs  cs:eZdZfddZddZddZS)rcs?d|kr"|dr"tdtt|j||dS)Nr4z$PureProxy does not support SMTPUTF8.)r%superrr/)r rFr})rr r r/s zPureProxy.__init__c Cs|jd}d}x|D]}|s)P|d7}qW|j|d|dtj|}|j|||}td|dtdS)Nrrrz X-Peer: %szwe got some refusals:r)ruinsertr:rp_deliverrrI) r rCrPrQrjrrxrwrefusedr r r rvs zPureProxy.process_messagec Cs7ddl}i}yU|j}|j|jd|jdz|j|||}Wd|jXWn|jk r}ztddt|j }WYdd}~Xnt |j fk r2}z`td|j dtt |dd }t |dd} x|D]} || f|| -sr#           U-S B    (