g(dZddlZddlZddlZddlZddlZddlZddlZddl m Z GddejjZ y)zDNS Dynamic Update SupportN) string_typesceZdZejj ddej jffd Zd dZ dZ dZ dZ dZ dZd d Zd fd ZxZS)UpdateNcJtt| |xjtj j tj jzc_t|trtjj|}||_ t|trtjj|}||_|j|j |j|tj"j$dd||j'|||yy)aInitialize a new DNS Update object. See the documentation of the Message class for a complete description of the keyring dictionary. *zone*, a ``dns.name.Name`` or ``text``, the zone which is being updated. *rdclass*, an ``int`` or ``text``, the class of the zone. *keyring*, a ``dict``, the TSIG keyring to use. If a *keyring* is specified but a *keyname* is not, then the key used will be the first key in the *keyring*. Note that the order of keys in a dictionary is not defined, so applications should supply a keyname when a keyring is used, unless they know the keyring contains only one key. *keyname*, a ``dns.name.Name`` or ``None``, the name of the TSIG key to use; defaults to ``None``. The key must be defined in the keyring. *keyalgorithm*, a ``dns.name.Name``, the TSIG algorithm to use. T)create force_uniqueN) algorithm)superr__init__flagsdnsopcodeto_flagsUPDATE isinstancername from_textorigin rdataclass zone_rdclass find_rrsetquestion rdatatypeSOAuse_tsig)selfzonerdclasskeyringkeyname keyalgorithm __class__s lib/third_party/dns/update.pyr zUpdate.__init__!s0 fd$& cjj))#***;*;<< dL )88%%d+D g| ,nn..w7G#  t{{GS]]=N=N#$  8   MM'7lM C c | |j}|j}|j|||j|j||dd}|j ||y)z&Add a single RR to the update section.NT) authoritycoversrrrdtypeadd)rrttlrddeletingsectionr(rrsets r$_add_rrzUpdate._add_rrFsT ?nnGt/@/@")) &$> "cr%ct|tr tjj |d}t|dtj j rL|D]F}|r|j||j|D]!}|j||j||#Hyt|}t|jd}t|dtjjr>|r|j||dj|D]}|j||||y|jd}t|trtj j |}|r|j|||D]M} tjj |j"|| |j$}|j||||Oy)aAdd records. *replace* is the replacement mode. If ``False``, RRs are added to an existing RRset; if ``True``, the RRset is replaced with the specified contents. The second argument is the section to add to. The third argument is always a name. The other arguments can be: - rdataset... - ttl, rdata... - ttl, rdtype, string... Nr)r.)rrrrrrdatasetRdatasetdeleter)r0r+listintpoprdataRdatarrr) rreplacer.rargsrdsr,r+r)ss r$_addz Update._addPsj dL )88%%dD1D d1gs||44 5KKcjj1BLLswwGLD :Ddhhqk"C$q'399??3KKd1gnn5BLLsBL@!fl3 ]]44V->-1[[:BLLsBL@r%cB|jd|j|g|y)zAdd records. The first argument is always a name. The other arguments can be: - rdataset... - ttl, rdata... - ttl, rdtype, string... FNr>r'rrr;s r$r*z Update.add{s  %55r%c >t|tr tjj |d}t |dk(r|j |j|tjjtjjtjjtjjddyt|dtjjr;|D]5}|D].}|j|d|tjj07yt|}t|dtj j"r4|D].}|j|d|tjj0y|j%d}t|trtjj |}t |dk(r]|j |j||j&|tjjtjjddy|D]d}tj j |j&|||j(}|j|d|tjjfy)zDelete records. The first argument is always a name. The other arguments can be: - *empty* - rdataset... - rdata... - rdtype, [string...] NrT)rrrrrlenrr'rANYrNONEr2r3r0r5r8r9r7rr)rrr;r<r,r)r=s r$r4z Update.deletes dL )88%%dD1D t9> OODNND#..2D2DMM--s}}/A/AMM--tT ;Q!6!6 7BLLq"cnn.A.AB:D$q'399??3BLLq"cnn.A.AB!fl3 ]]44VOODNND$($5$5v$'MM$6$6$'NN$6$6$($ 0 " YY001B1BFA15> T1b#..2E2EF"r%cB|jd|j|g|y)abReplace records. The first argument is always a name. The other arguments can be: - rdataset... - ttl, rdata... - ttl, rdtype, string... Note that if you want to replace the entire node, you should do a delete of the name followed by one or more calls to add. TNr@rAs r$r:zUpdate.replaces  $4t4r%c t|tr tjj |d}t |dk(rk|j |j|tjjtjjtjjdddyt|dtjjs5t|dtjjst |dkDrdt|dtjjst!|}|j#dd|j$d|j|g|y|d}t|trtjj |}|j |j|tjj|tjjdddy)aSRequire that an owner name (and optionally an rdata type, or specific rdataset) exists as a prerequisite to the execution of the update. The first argument is always a name. The other arguments can be: - rdataset... - rdata... - rdtype, string... NrTrF)rrrrrrCranswerrrDrrEr2r3r8r9r5insertr>)rrr;r)s r$presentzUpdate.presentsS dL )88%%dD1D t9> OODKKNN.. 0A0AMM.. $ (Q!6!6 7 tAw  0D A d1gs||'<'<=Dz Aq! DIIeT[[$ 6 6!WF&,/008 OODKKNN..MM.. $ (r%c @t|tr tjj |d}|k|j |j |tjjtjjtjjdddyt|trtjj |}|j |j |tjj|tjjdddy)zRequire that an owner name (and optionally an rdata type) does not exist as a prerequisite to the execution of the update.NT) rrrrrrrHrrErrD)rrr)s r$absentz Update.absents dL )88%%dD1D > OODKKNN//1B1BMM.. $ ( &,/008 OODKKNN//MM.. $ (r%cH| |j}tt|||S)aLReturn a string containing the update in DNS compressed wire format. *origin*, a ``dns.name.Name`` or ``None``, the origin to be appended to any relative names. If *origin* is ``None``, then the origin of the ``dns.update.Update`` message object is used (i.e. the *zone* parameter passed when the Update object was created). *max_size*, an ``int``, the maximum size of the wire format output; default is 0, which means "the message's request payload, if nonzero, or 65535". Returns a ``binary``. )rr rto_wire)rrmax_sizer#s r$rNzUpdate.to_wires'" >[[FVT*68<r*r4r:rJrLrN __classcell__)r#s@r$rrsZ%(^^%6%6CHH,F,F#DJ)AV 6,G\5$%(N(&==r%r)__doc__ dns.messagerdns.name dns.opcode dns.rdatadns.rdataclass dns.rdatasetdns.tsig_compatrmessageMessagerr%r$rcs<$!!x=S[[ x=r%