[XMc@s dZddlmZddlZddlmZddlmZddlm Z m Z dZ dZ d e fd YZd efd YZdefdYZdefdYZdejfdYZdddYZdejfdYZd d dddddgZdS(s> Ident protocol implementation. @author: Jean-Paul Calderone i(t generatorsN(tdefer(tbasic(tlogtfailureiiit IdentErrorcBseZdZdZdZRS(s; Can't determine connection owner; reason unknown. s UNKNOWN-ERRORcCs|jS(N(tidentDescription(tself((s;/usr/lib/python2.7/dist-packages/twisted/protocols/ident.pyt__str__s(t__name__t __module__t__doc__RR(((s;/usr/lib/python2.7/dist-packages/twisted/protocols/ident.pyRstNoUsercBseZdZdZRS(s The connection specified by the port pair is not currently in use or currently not owned by an identifiable entity. sNO-USER(R R R R(((s;/usr/lib/python2.7/dist-packages/twisted/protocols/ident.pyR !st InvalidPortcBseZdZdZRS(s Either the local or foreign port was improperly specified. This should be returned if either or both of the port ids were out of range (TCP port numbers are from 1-65535), negative integers, reals or in any fashion not recognized as a non-negative integer. s INVALID-PORT(R R R R(((s;/usr/lib/python2.7/dist-packages/twisted/protocols/ident.pyR )st HiddenUsercBseZdZdZRS(s The server was able to identify the user of this port, but the information was not returned at the request of the user. s HIDDEN-USER(R R R R(((s;/usr/lib/python2.7/dist-packages/twisted/protocols/ident.pyR3st IdentServercBsDeZdZdZdZdZdZdZdZRS(s The Identification Protocol (a.k.a., "ident", a.k.a., "the Ident Protocol") provides a means to determine the identity of a user of a particular TCP connection. Given a TCP port number pair, it returns a character string which identifies the owner of that connection on the server's system. Server authors should subclass this class and override the lookup method. The default implementation returns an UNKNOWN-ERROR response for every query. cCs|jd}t|dkr.|jnytt|\}}Wntk rd|jnkXt|ko|tknrt|kotknr|j||n|j t j t ||dS(Nt,i( tsplittlent invalidQuerytmaptintt ValueErrort _MIN_PORTt _MAX_PORTt validQueryt _ebLookupRtFailureR (Rtlinetpartst portOnServert portOnClient((s;/usr/lib/python2.7/dist-packages/twisted/protocols/ident.pyt lineReceivedHs  8cCs|jjdS(N(t transporttloseConnection(R((s;/usr/lib/python2.7/dist-packages/twisted/protocols/ident.pyRWscCsn|jjj|f}|jjj|f}tj|j||j|j||j |j ||dS(s Called when a valid query is received to look up and deliver the response. @param portOnServer: The server port from the query. @param portOnClient: The client port from the query. N( R!tgetHostthosttgetPeerRt maybeDeferredtlookupt addCallbackt _cbLookupt addErrbackR(RRRt serverAddrt clientAddr((s;/usr/lib/python2.7/dist-packages/twisted/protocols/ident.pyR[s cCs-|\}}|jd||||fdS(Ns%d, %d : USERID : %s : %s(tsendLine(Rt.1tsporttcporttsysNametuserId((s;/usr/lib/python2.7/dist-packages/twisted/protocols/ident.pyR)ks cCsc|jtr/|jd|||jfn0tj||jd||t|jfdS(Ns%d, %d : ERROR : %s(tcheckRR-tvalueRterr(RRR/R0((s;/usr/lib/python2.7/dist-packages/twisted/protocols/ident.pyRns  cCs tdS(shLookup user information about the specified address pair. Return value should be a two-tuple of system name and username. Acceptable values for the system name may be found online at:: U{http://www.iana.org/assignments/operating-system-names} This method may also raise any IdentError subclass (or IdentError itself) to indicate user information will not be provided for the given query. A Deferred may also be returned. @param serverAddress: A two-tuple representing the server endpoint of the address being queried. The first element is a string holding a dotted-quad IP address. The second element is an integer representing the port. @param clientAddress: Like L{serverAddress}, but represents the client endpoint of the address being queried. N(R(Rt serverAddresst clientAddress((s;/usr/lib/python2.7/dist-packages/twisted/protocols/ident.pyR'us( R R R R RRR)RR'(((s;/usr/lib/python2.7/dist-packages/twisted/protocols/ident.pyR;s      tProcServerMixincBseZdZdZy#ddlmZedZ[Wnek rQdZnXdZdZ dZ d Z d Z RS( sIImplements lookup() to grab entries for responses from /proc/net/tcp tLINUXi(tgetpwuidcCs||dS(Ni((RtuidR:((s;/usr/lib/python2.7/dist-packages/twisted/protocols/ident.pyt getUsernamescCs tdS(N(R(RR;((s;/usr/lib/python2.7/dist-packages/twisted/protocols/ident.pyR<sccs6td}|jx|D]}|jVqWdS(Ns /proc/net/tcp(tfiletreadlinetstrip(RtftL((s;/usr/lib/python2.7/dist-packages/twisted/protocols/ident.pytentriess   c Cs7djtttjdtjdt|dS(Nt.t4Bs=Li(tjoinRtstrtstructtunpacktpackR(Rthexstr((s;/usr/lib/python2.7/dist-packages/twisted/protocols/ident.pytdottedQuadFromHexStringscCs=|jd\}}|j|}t|d}||fS(Nt:i(RRKR(Rtpackedtaddrtport((s;/usr/lib/python2.7/dist-packages/twisted/protocols/ident.pyt unpackAddressscCsm|jj}|j|d\}}|j|d\}}t|d}||f||f|fS(Niii(R?RRPR(RRRt localAddrt localPortt remoteAddrt remotePortR;((s;/usr/lib/python2.7/dist-packages/twisted/protocols/ident.pyt parseLines cCsrxb|jD]T}|j|\}}}||kr |d|dkr |j|j|fSq WtdS(Ni(RBRUt SYSTEM_NAMER<R (RR6R7tentRQRSR;((s;/usr/lib/python2.7/dist-packages/twisted/protocols/ident.pyR's  ( R R R RVtpwdR:R<t ImportErrorRBRKRPRUR'(((s;/usr/lib/python2.7/dist-packages/twisted/protocols/ident.pyR8s       t IdentClientcBsGeZeeeefZdZdZdZ dZ dZ RS(cCs g|_dS(N(tqueries(R((s;/usr/lib/python2.7/dist-packages/twisted/protocols/ident.pyt__init__scCsi|jjtj||ft|jdkrC|jddS|jd||f|jddS(sBLookup user information about the specified address pair. iiis%d, %d(R[tappendRtDeferredRR-(RRR((s;/usr/lib/python2.7/dist-packages/twisted/protocols/ident.pyR's cCs|js tjd|fnd|jjd\}}}|j|||jr|jd|jdd|jddfndS(NsUnexpected server response: %ris%d, %dii(R[Rtmsgtpopt parseResponseR-(RRtdt_((s;/usr/lib/python2.7/dist-packages/twisted/protocols/ident.pyR s   cCs8x(|jD]}|djt|q Wg|_dS(Ni(R[terrbackR(Rtreasontq((s;/usr/lib/python2.7/dist-packages/twisted/protocols/ident.pytconnectionLostscCs|jdd}t|dkr:|jt|nttj|\}}}|dkrx7|jD],}|j|krk|j||dSqkW|jt|n|j ||fdS(NRLiitERROR( RRRdRRRFR?t errorTypesRtcallback(RtdeferredRRtportsttypetaddInfotet((s;/usr/lib/python2.7/dist-packages/twisted/protocols/ident.pyRas ( R R RR R RRiR\R'R RgRa(((s;/usr/lib/python2.7/dist-packages/twisted/protocols/ident.pyRZs   ii((R t __future__RRGttwisted.internetRttwisted.protocolsRttwisted.pythonRRRRt ExceptionRR R RtLineOnlyReceiverRR8RZt__all__(((s;/usr/lib/python2.7/dist-packages/twisted/protocols/ident.pyt s"   R..