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Z$defd��YZ%d�Z&d�Z'ej(j)e!e"dde!e!d�Z*e"ddd�Z+dS(sDNS Messagesi����NtShortHeadercBseZdZRS(s<Raised if the DNS packet passed to from_wire() is too short.(t__name__t
__module__t__doc__(((s1/usr/lib64/python2.7/site-packages/dns/message.pyR'stTrailingJunkcBseZdZRS(sSRaised if the DNS packet passed to from_wire() has extra junk
    at the end of it.(RRR(((s1/usr/lib64/python2.7/site-packages/dns/message.pyR+stUnknownHeaderFieldcBseZdZRS(s]Raised if a header field name is not recognized when converting from
    text into a message.(RRR(((s1/usr/lib64/python2.7/site-packages/dns/message.pyR0stBadEDNScBseZdZRS(saRaised if an OPT record occurs somewhere other than the start of
    the additional data section.(RRR(((s1/usr/lib64/python2.7/site-packages/dns/message.pyR5stBadTSIGcBseZdZRS(s_Raised if a TSIG record occurs somewhere other than the end of
    the additional data section.(RRR(((s1/usr/lib64/python2.7/site-packages/dns/message.pyR:stUnknownTSIGKeycBseZdZRS(s/Raised if we got a TSIG but don't know the key.(RRR(((s1/usr/lib64/python2.7/site-packages/dns/message.pyR?stMessagecBs
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A DNS message.

    @ivar id: The query id; the default is a randomly chosen id.
    @type id: int
    @ivar flags: The DNS flags of the message.  @see: RFC 1035 for an
    explanation of these flags.
    @type flags: int
    @ivar question: The question section.
    @type question: list of dns.rrset.RRset objects
    @ivar answer: The answer section.
    @type answer: list of dns.rrset.RRset objects
    @ivar authority: The authority section.
    @type authority: list of dns.rrset.RRset objects
    @ivar additional: The additional data section.
    @type additional: list of dns.rrset.RRset objects
    @ivar edns: The EDNS level to use.  The default is -1, no Edns.
    @type edns: int
    @ivar ednsflags: The EDNS flags
    @type ednsflags: long
    @ivar payload: The EDNS payload size.  The default is 0.
    @type payload: int
    @ivar options: The EDNS options
    @type options: list of dns.edns.Option objects
    @ivar request_payload: The associated request's EDNS payload size.
    @type request_payload: int
    @ivar keyring: The TSIG keyring to use.  The default is None.
    @type keyring: dict
    @ivar keyname: The TSIG keyname to use.  The default is None.
    @type keyname: dns.name.Name object
    @ivar keyalgorithm: The TSIG algorithm to use; defaults to
    dns.tsig.default_algorithm.  Constants for TSIG algorithms are defined
    in dns.tsig, and the currently implemented algorithms are
    HMAC_MD5, HMAC_SHA1, HMAC_SHA224, HMAC_SHA256, HMAC_SHA384, and
    HMAC_SHA512.
    @type keyalgorithm: string
    @ivar request_mac: The TSIG MAC of the request message associated with
    this message; used when validating TSIG signatures.   @see: RFC 2845 for
    more information on TSIG fields.
    @type request_mac: string
    @ivar fudge: TSIG time fudge; default is 300 seconds.
    @type fudge: int
    @ivar original_id: TSIG original id; defaults to the message's id
    @type original_id: int
    @ivar tsig_error: TSIG error code; default is 0.
    @type tsig_error: int
    @ivar other_data: TSIG other data.
    @type other_data: string
    @ivar mac: The TSIG MAC for this message.
    @type mac: string
    @ivar xfr: Is the message being used to contain the results of a DNS
    zone transfer?  The default is False.
    @type xfr: bool
    @ivar origin: The origin of the zone in messages which are used for
    zone transfers or for DNS dynamic updates.  The default is None.
    @type origin: dns.name.Name object
    @ivar tsig_ctx: The TSIG signature context associated with this
    message.  The default is None.
    @type tsig_ctx: hmac.HMAC object
    @ivar had_tsig: Did the message decoded from wire format have a TSIG
    signature?
    @type had_tsig: bool
    @ivar multi: Is this message part of a multi-message sequence?  The
    default is false.  This variable is used when validating TSIG signatures
    on messages which are part of a zone transfer.
    @type multi: bool
    @ivar first: Is this message standalone, or the first of a multi
    message sequence?  This variable is used when validating TSIG signatures
    on messages which are part of a zone transfer.
    @type first: bool
    @ivar index: An index of rrsets in the message.  The index key is
    (section, name, rdclass, rdtype, covers, deleting).  Indexing can be
    disabled by setting the index to None.
    @type index: dict
    cCs!|dkr!tjj�|_n	||_d|_g|_g|_g|_g|_	d|_
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        The I{origin}, I{relativize}, and any other keyword
        arguments are passed to the rrset to_wire() method.

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        sid %ds	opcode %ssrcode %ssflags %sisedns %ss	eflags %sRs;ZONEs	;QUESTIONs;PREREQs;ANSWERs;UPDATEs
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cCs-t|t�stS|j|jkr)tS|j|jkr?tSx$|jD]}||jkrItSqIWx$|jD]}||jkrptSqpWx$|jD]}||jkr�tSq�Wx$|jD]}||jkr�tSq�Wx$|jD]}||jkr�tSq�Wx$|jD]}||jkrtSqWtS(s�Two messages are equal if they have the same content in the
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        @rtype: booli(
RRtQRRR6R7R%R8RtNOERRORR+R:R(R.RBRC((s1/usr/lib64/python2.7/site-packages/dns/message.pytis_responses"cCs\||jkrdS||jkr&dS||jkr9dS||jkrLdStd��dS(Niiiisunknown section(RRRRt
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S(sFind the RRset with the given attributes in the specified section.

        @param section: the section of the message to look in, e.g.
        self.answer.
        @type section: list of dns.rrset.RRset objects
        @param name: the name of the RRset
        @type name: dns.name.Name object
        @param rdclass: the class of the RRset
        @type rdclass: int
        @param rdtype: the type of the RRset
        @type rdtype: int
        @param covers: the covers value of the RRset
        @type covers: int
        @param deleting: the deleting value of the RRset
        @type deleting: int
        @param create: If True, create the RRset if it is not found.
        The created RRset is appended to I{section}.
        @type create: bool
        @param force_unique: If True and create is also True, create a
        new RRset regardless of whether a matching RRset exists already.
        @type force_unique: bool
        @raises KeyError: the RRset was not found and create was False
        @rtype: dns.rrset.RRset objectN(
RKR-RtgettmatchtKeyErrorRR@tRRsettappend(R.RJtnametrdclasstrdtypetcoverstdeletingtcreatetforce_uniquetkeyR@((s1/usr/lib64/python2.7/site-packages/dns/message.pyt
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	CsFy(|j||||||||�}	Wntk
rAd}	nX|	S(sGet the RRset with the given attributes in the specified section.

        If the RRset is not found, None is returned.

        @param section: the section of the message to look in, e.g.
        self.answer.
        @type section: list of dns.rrset.RRset objects
        @param name: the name of the RRset
        @type name: dns.name.Name object
        @param rdclass: the class of the RRset
        @type rdclass: int
        @param rdtype: the type of the RRset
        @type rdtype: int
        @param covers: the covers value of the RRset
        @type covers: int
        @param deleting: the deleting value of the RRset
        @type deleting: int
        @param create: If True, create the RRset if it is not found.
        The created RRset is appended to I{section}.
        @type create: bool
        @param force_unique: If True and create is also True, create a
        new RRset regardless of whether a matching RRset exists already.
        @type force_unique: bool
        @rtype: dns.rrset.RRset object or NoneN(RYRNR(
R.RJRQRRRSRTRURVRWR@((s1/usr/lib64/python2.7/site-packages/dns/message.pyt	get_rrsetZs
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        Additional keyword arguments are passed to the rrset to_wire()
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        @param origin: The origin to be appended to any relative names.
        @type origin: dns.name.Name object
        @param max_size: The maximum size of the wire format output; default
        is 0, which means 'the message's request payload, if nonzero, or
        65536'.
        @type max_size: int
        @raises dns.exception.TooBig: max_size was exceeded
        @rtype: string
        ii��iN($RRtrenderertRendererRRRtadd_questionRQRSRRRt	add_rrsettANSWERRt	AUTHORITYRtadd_ednsRRRRt
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||_||_dS(swWhen sending, a TSIG signature using the specified keyring
        and keyname should be added.

        @param keyring: The TSIG keyring to use; defaults to None.
        @type keyring: dict
        @param keyname: The name of the TSIG key to use; defaults to None.
        The key must be defined in the keyring.  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.
        @type keyname: dns.name.Name or string
        @param fudge: TSIG time fudge; default is 300 seconds.
        @type fudge: int
        @param original_id: TSIG original id; defaults to the message's id
        @type original_id: int
        @param tsig_error: TSIG error code; default is 0.
        @type tsig_error: int
        @param other_data: TSIG other data.
        @type other_data: string
        @param algorithm: The TSIG algorithm to use; defaults to
        dns.tsig.default_algorithm
        iN(RRtkeysRRAtstrtunicodeRRQt	from_textRR"RR#R!R (R.RRR"R#R!R t	algorithm((s1/usr/lib64/python2.7/site-packages/dns/message.pytuse_tsig�s						icCs�|dks|tkr!d}n|tkr6d}n|dkrK|}n|dkrrd}d}d}g}n-|dM}||d>O}|dkr�g}n||_||_||_||_||_dS(s_Configure EDNS behavior.
        @param edns: The EDNS level to use.  Specifying None, False, or -1
        means 'do not use EDNS', and in this case the other parameters are
        ignored.  Specifying True is equivalent to specifying 0, i.e. 'use
        EDNS0'.
        @type edns: int or bool or None
        @param ednsflags: EDNS flag values.
        @type ednsflags: int
        @param payload: The EDNS sender's payload field, which is the maximum
        size of UDP datagram the sender can handle.
        @type payload: int
        @param request_payload: The EDNS payload size to use when sending
        this message.  If not specified, defaults to the value of payload.
        @type request_payload: int or None
        @param options: The EDNS options
        @type options: None or list of dns.edns.Option objects
        @see: RFC 2671
        i����il�~iN(RR%R+RRRRR(R.RRRRR((s1/usr/lib64/python2.7/site-packages/dns/message.pytuse_edns�s(				
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        @param wanted: Is DNSSEC desired?  If True, EDNS is enabled if
        required, and then the DO bit is set.  If False, the DO bit is
        cleared if EDNS is enabled.
        @type wanted: bool
        iN(RRoRRRtDO(R.twanted((s1/usr/lib64/python2.7/site-packages/dns/message.pytwant_dnssecs
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        @rtype: int
        (RR8R7RR(R.((s1/usr/lib64/python2.7/site-packages/dns/message.pyR8scCs�tjj|�\}}|jdM_|j|O_|jdM_|j|O_|jdkr~|jdkr~d|_ndS(sPSet the rcode.
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        i�l��iN(RR8tto_flagsRRR(R.R8tvaluetevalue((s1/usr/lib64/python2.7/site-packages/dns/message.pyt	set_rcodescCstjj|j�S(s/Return the opcode.
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        (RR6R7R(R.((s1/usr/lib64/python2.7/site-packages/dns/message.pyR6!scCs.|jdM_|jtjj|�O_dS(sTSet the opcode.
        @param opcode: the opcode
        @type opcode: int
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	t_WireReadercBs;eZdZeeed�Zd�Zd�Zd�ZRS(s�Wire format reader.

    @ivar wire: the wire-format message.
    @type wire: string
    @ivar message: The message object being built
    @type message: dns.message.Message object
    @ivar current: When building a message object from wire format, this
    variable contains the offset from the beginning of wire of the next octet
    to be read.
    @type current: int
    @ivar updating: Is the message a dynamic update?
    @type updating: bool
    @ivar one_rr_per_rrset: Put each RR into its own RRset?
    @type one_rr_per_rrset: bool
    @ivar ignore_trailing: Ignore trailing junk at end of request?
    @type ignore_trailing: bool
    @ivar zone_rdclass: The class of the zone in messages which are
    DNS dynamic updates.
    @type zone_rdclass: int
    cCs^tjj|�|_||_d|_t|_tjj	|_
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        @param qcount: the number of questions in the message
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        the specified section.
        @param section: the section of the message to which to add records
        @type section: list of dns.rrset.RRset objects
        @param count: the number of records to read
        @type count: intis!HHIHi
i�is!HHiis"got signed message without keyringskey '%s' unknownN(7R�R�R+R%R�RRRQR�R}R~R'RR<R�R�RxtOPTRRRRRRtoption_from_wireRPtTSIGRRRRLRRtget_algorithm_and_macRR$tvalidatetintttimeRR(R*R,R)R�tANYRyR�RtrdataRTR&tSOARYtadd(R.RJtcountRWtseen_optR�trr_startRQR�t
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											cCsHt|j�}|dkr$t�ntjd|jd �\|j_|j_}}}}d|_t	j
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n|j|�|jr�dS|j|jj|�|j|jj|�|j|jj|�|jr|j|krt�n|jjrD|jjrD|jjrD|jjj|j�ndS(sNRead a wire format DNS message and build a dns.message.Message
        object.is!HHHHHHN(tlenR}RR�R�R~RRRRR6R:R+R�R�R�R�RRRR�RR*R(R)tupdate(R.tlR�tancounttaucounttadcount((s1/usr/lib64/python2.7/site-packages/dns/message.pytread�s$	7	
		
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Csttdd�}||_||_||_||_||_||_||_t||||	|
�}|j	�|S(s)Convert a DNS wire format message into a message
    object.

    @param keyring: The keyring to use if the message is signed.
    @type keyring: dict
    @param request_mac: If the message is a response to a TSIG-signed request,
    I{request_mac} should be set to the MAC of that request.
    @type request_mac: string
    @param xfr: Is this message part of a zone transfer?
    @type xfr: bool
    @param origin: If the message is part of a zone transfer, I{origin}
    should be the origin name of the zone.
    @type origin: dns.name.Name object
    @param tsig_ctx: The ongoing TSIG context, used when validating zone
    transfers.
    @type tsig_ctx: hmac.HMAC object
    @param multi: Is this message part of a multiple message sequence?
    @type multi: bool
    @param first: Is this message standalone, or the first of a multi
    message sequence?
    @type first: bool
    @param question_only: Read only up to the end of the question section?
    @type question_only: bool
    @param one_rr_per_rrset: Put each RR into its own RRset
    @type one_rr_per_rrset: bool
    @param ignore_trailing: Ignore trailing junk at end of request?
    @type ignore_trailing: bool
    @raises ShortHeader: The message is less than 12 octets long.
    @raises TrailingJunk: There were octets in the message past the end
    of the proper DNS message.
    @raises BadEDNS: An OPT record was in the wrong section, or occurred more
    than once.
    @raises BadTSIG: A TSIG record was not the last record of the additional
    data section.
    @rtype: dns.message.Message objectRi(
R	RRR&R'R(R*R,RzR�(
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    @ivar tok: the tokenizer
    @type tok: dns.tokenizer.Tokenizer object
    @ivar message: The message object being built
    @type message: dns.message.Message object
    @ivar updating: Is the message a dynamic update?
    @type updating: bool
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