.-.-.-.-.-

�
;�>Sc@sGdZddlZddlZddlZddlZddlZddlZddlZddl	Zddl
ZddlZddlZddl
ZddlZddlZddlZddlZddlZddlZddlZdejjfd��YZdejjfd��YZdejjfd��YZd	ejjfd
��YZdejjfd��YZd
ejjfd��YZdefd��YZdefd��YZ e!de"e!e!e"e#e"e"e"d�
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
eZdZdd�Zd�Zd�Zded�Zd�Z	d�Z
d�Zd�Ze
jjdeed	�Ze
jjdeed
�Zddd�Zdd
ddde
jjd�Zdddddd�Zed�Zd�Zd�Zd�Zd�ZRS(s,
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|_
d|_d|_g|_
d|_d|_d|_tjj|_d|_d|_d|_d|_|j|_d|_t|_d|_d|_t|_t|_t |_!i|_"dS(Nii����ti,(#tNonetdnstentropyt	random_16tidtflagstquestiontanswert	authorityt
additionaltednst	ednsflagstpayloadtoptionstrequest_payloadtkeyringtkeynamettsigtdefault_algorithmtkeyalgorithmtrequest_mact
other_datat
tsig_errortfudgetoriginal_idtmactFalsetxfrtoriginttsig_ctxthad_tsigtmultitTruetfirsttindex(tselfR((s1/usr/lib64/python2.7/site-packages/dns/message.pyt__init__�s:																								cCsd|j
dS(Ns<DNS message, ID t>(R(R.((s1/usr/lib64/python2.7/site-packages/dns/message.pyt__repr__�scCs
|j�S(N(tto_text(R.((s1/usr/lib64/python2.7/site-packages/dns/message.pyt__str__�scKs5tj�}|d|jIJ|dtjjtjj|j��IJtjj|j|j	�}|dtjj|�IJ|dtjj|j�IJ|j
dkr�|d|j
IJ|j	dkr�|dtjj|j	�IJn|dI|jIJntjj
|j�}|r%|d	IJn
|d
IJx*|jD]}||j|||�IJq9W|ro|dIJn
|dIJx*|jD]}||j|||�IJq�W|r�|d
IJn
|dIJx*|jD]}||j|||�IJq�W|dIJx*|jD]}||j|||�IJqW|j�d S(s�Convert the message to text.

The I{origin}, I{relativize}, and any other keyword
        arguments are passed to the rrset to_wire() method.

@rtype: string
        sid %ds	opcode %ssrcode %ssflags %sisedns %ss	eflags %sRs;ZONEs	;QUESTIONs;PREREQs;ANSWERs;UPDATEs
;AUTHORITYs;ADDITIONALi����(t	cStringIOtStringIORRtopcodeR2t
from_flagsRtrcodeRRtedns_to_textRt	is_updateRRRRtgetvalue(R.R't
relativizetkwtstrcR:trrset((s1/usr/lib64/python2.7/site-packages/dns/message.pyR2�sB	"

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
        header, question, answer, and authority sections.
        @rtype: bool(	t
isinstanceR	R%RRRRRR+(R.tothertn((s1/usr/lib64/python2.7/site-packages/dns/message.pyt__eq__�s2cCs|j|�S(s0Are two messages not equal?
        @rtype: bool(RD(R.RB((s1/usr/lib64/python2.7/site-packages/dns/message.pyt__ne__scCs�|jtjj@dksU|j|jksUtjj|j�tjj|j�krYtStjj|j|j�tjj	kr�t
Stjj|j�r�t
Sx$|jD]}||jkr�tSq�Wx$|jD]}||jkr�tSq�Wt
S(s1Is other a response to self?
        @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
ValueError(R.tsection((s1/usr/lib64/python2.7/site-packages/dns/message.pytsection_number sc	Cs�|j|�|||||f}	|s�|jdk	r[|jj|	�}
|
dk	r�|
Sq�x0|D]%}
|
j|||||�rb|
SqbWn|s�t�ntjj|||||�}
|j	|
�|jdk	r�|
|j|	<n|
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
find_rrset,s"
	
c	
	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
ic	Ks�|dkr0|jdkr'|j}q0d}n|dkrEd}n|dkrZd}ntjj|j|j||�}x-|jD]"}|j|j|j	|j
�q�Wx*|jD]}|jtjj
||�q�Wx*|jD]}|jtjj||�q�W|jdkr9|j|j|j|j|j�nx*|jD]}|jtjj||�qCW|j�|jdk	r�|j|j|j|j|j|j|j|j|j |j!�|j"|_"n|j#�S(s7Return a string containing the message in DNS compressed wire
        format.

Additional keyword arguments are passed to the rrset to_wire()
        method.

@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($RRtrenderertRendererRRRtadd_questionRQRSRRRt	add_rrsettANSWERRt	AUTHORITYRtadd_ednsRRRRt
ADDITIONALtwrite_headerRRtadd_tsigRR"R#R!R RRR$tget_wire(R.R'tmax_sizeR=trR@((s1/usr/lib64/python2.7/site-packages/dns/message.pytto_wire}s6			! %

i,R
cCs�||_|dkr.|jj�d|_n3t|ttf�rXtjj	|�}n||_||_
||_|dkr�|j|_
n	||_
||_||_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(				
					cCsf|r:|jdkr"|j�n|jtjjO_n(|jdkrb|jtjjM_ndS(s
Enable or disable 'DNSSEC desired' flag in requests.
        @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
cCstjj|j|j�S(s.Return the rcode.
        @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.
        @param rcode: the rcode
        @type rcode: int
        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.
        @rtype: int
        (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
        i��N(RRR6Rs(R.R6((s1/usr/lib64/python2.7/site-packages/dns/message.pyt
set_opcode'sN(RRRRR/R1R3R+R2RDRERHRKRt	rdatatypetNONER%RYRZRhRRRnRoRrR8RvR6Rw(((s1/usr/lib64/python2.7/site-packages/dns/message.pyR	Cs.J 		3				
-!.	)*		
	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	|_
||_||_||_
dS(Ni(Rtwiredatat
maybe_wraptwiretmessagetcurrentR%tupdatingt
rdataclasstINtzone_rdclasst
question_onlytone_rr_per_rrsettignore_trailing(R.R}R~R�R�R�((s1/usr/lib64/python2.7/site-packages/dns/message.pyR/Es					c
Cs|jr$|dkr$tjj�nx�td|�D]�}tjj|j|j�\}}|j	j
dk	r�|j|j	j
�}n|j||_t
jd|j|j|jd!�\}}|jd|_|j	j|j	j|||dtdt�|jr4||_q4q4WdS(s�Read the next I{qcount} records from the wire data and add them to
        the question section.
        @param qcount: the number of questions in the message
        @type qcount: intiis!HHiRVRWN(R�Rt	exceptiont	FormErrortxrangeRQt	from_wireR}RR~R'RR<tstructtunpackRYRR+R�(R.tqcounttitqnametusedRSRR((s1/usr/lib64/python2.7/site-packages/dns/message.pyt
_get_questionPs!	#	c
Cs�|js|jrt}nt}t}xjtd|�D]Y}|j}tjj|j	|j�\}}|}	|j
jdk	r�|j
|j
j�}n|j||_tjd|j	|j|jd!�\}
}}}
|jd|_|
tjjkr�||j
jk	s|rt�n||j
_||j
_|d@d?|j
_g|j
_|j}|
}x�|dkr�tjd|j	||d!�\}}|d}tjj||j	||�}|j
jj|�||}|d|}qfWt}n�|
tjjkr5||j
jko)||dks5t�n|j
jdkrVtd	��n|j
jj|	�}|dkr�td
|��n|	|j
_tj j!|j	|j|
�\|j
_"|j
_#tj j$|j	|	|t%t&j&��|j
j'||j|
|j
j(|j
j)|j
j*�|j
_(t|j
_+nK|dkrJd}n|jr�|tj,j-ksw|tj,j.kr�|}|j/}nd}|tj,j-ks�|tj,j.kr�||j
j0kr�tjj.}d}n9tj1j||
|j	|j|
|j
j�}|j2�}|j
j3r:|
tjj4kr:t}n|j
j5||||
||t|�}|dk	r�|j6||�n|j|
|_q7WdS(s/Read the next I{count} records from the wire data and add them to
        the specified section.
        @param section: the section of the message to which to add records
        @type section: list of dns.rrset.RRset objects
        @param count: the number of records to read
        @type count: intis!HHIHi
i�is!HHiis"got signed message without keyringskey '%s' unknownN(7R�R�R+R%R�RRRQR�R}R~R'RR<R�R�RxtOPTRRRRRRtoption_from_wireRPtTSIGRRRRLRRtget_algorithm_and_macRR$tvalidatetintttimeRR(R*R,R)R�tANYRyR�RtrdataRTR&tSOARYtadd(R.RJtcountRWtseen_optR�trr_startRQR�t
absolute_nameRSRRtttltrdlenRtoptslentotypetolentopttsecretRURTtrdR@((s1/usr/lib64/python2.7/site-packages/dns/message.pyt_get_sectionhs�		!	)

cCsHt|j�}|dkr$t�ntjd|jd �\|j_|j_}}}}d|_t	j
j|jj�r�t|_
n|j|�|jr�dS|j|jj|�|j|jj|�|j|jj|�|jr|j|krt�n|jjrD|jjrD|jjrD|jjj|j�ndS(sNRead a wire format DNS message and build a dns.message.Message
        object.is!HHHHHHN(tlenR}RR�R�R~RRRRR6R:R+R�R�R�R�RRRR�RR*R(R)tupdate(R.tlR�tancounttaucounttadcount((s1/usr/lib64/python2.7/site-packages/dns/message.pytread�s$	7	
		
(RRRR%R/R�R�R�(((s1/usr/lib64/python2.7/site-packages/dns/message.pyRz/s
		bR
c
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�(
R}RRR&R'R(R*R,R�R�R�tmtreader((s1/usr/lib64/python2.7/site-packages/dns/message.pyR��s(								
t_TextReadercBs;eZdZd�Zd�Zd�Zd�Zd�ZRS(sText format reader.

@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
    @ivar zone_rdclass: The class of the zone in messages which are
    DNS dynamic updates.
    @type zone_rdclass: int
    @ivar last_name: The most recently read name when building a message object
    from text format.
    @type last_name: dns.name.Name object
    cCsC||_tjj|�|_d|_tjj|_	t
|_dS(N(R~Rt	tokenizert	TokenizerttokRt	last_nameR�R�R�R%R�(R.ttextR~((s1/usr/lib64/python2.7/site-packages/dns/message.pyR/,s
		cCs�|jj�}|j}|dkr<|jj�|j_n:|dkr�x^tr�|jj�}|j�s�|jj|�Pn|jj	t
j	j|j�B|j_	qKWt
jj
|jj	�rvt|_qvn�|dkr|jj�|j_|jj|jjd>B|j_nb|dkr�|jjdkrAd|j_nx2tr�|jj�}|j�sy|jj|�Pn|jjt
j	j|j�B|j_qDWn�|dkr�|jj�|j_|jjdkrvd|j_qvn�|dkr6|jj�}|jj	t
jjt
jj|��B|j_	n@|d	krp|jj�}|jjt
jj|��nt�|jj�d
S(s5Process one line from the text format header section.RRRiteflagsiRR6R8N(R�RLRttget_intR~RR+t
is_identifiertungetRRRlR6R:R�RRtedns_from_textRt
get_stringRsRvR8Rtget_eol(R.RJttokentwhatR�((s1/usr/lib64/python2.7/site-packages/dns/message.pyt_header_line3sR			 			#	(c	CsS|jjdt�}|j�s?tjj|jd�|_	n|j	}|jj�}|j
�srtjj�nyCtj
j|j�}|jj�}|j
�s�tjj�nWn5tjjk
r�tjj�ntj
j}nXtjj|j�}|jj|jj|||dtdt�|jrB||_n|jj�dS(s7Process one line from the text format question section.twant_leadingRVRWN(R�RLR+t
is_whitespaceRRQRlRtRR�R�R�tSyntaxErrorR�R�RxR~RYRR�R�R�(R.RJR�RQRRRS((s1/usr/lib64/python2.7/site-packages/dns/message.pyt_question_lineas.		c	Csgd}|jjdt�}|j�sEtjj|jd�|_	n|j	}|jj�}|j
�sxtjj�ny@t
|jd�}|jj�}|j
�s�tjj�nWn/tjjk
r�tjj�n
d}nXyytjj|j�}|jj�}|j
�s,tjj�n|tjjksP|tjjkrb|}|j}nWn5tjjk
r�tjj�ntjj}nXtjj|j�}|jj�}|j�s|jj|�tjj|||jd�}|j�}	nd}tjj}	|jj|||||	|t|j�}
|dk	rc|
j||�ndS(sfProcess one line from the text format answer, authority, or
        additional data sections.
        R�iN(RR�RLR+R�RRQRlRtR�R�R�R�R�R�R�RyR�R�Rxt
is_eol_or_eofR�R�RTR~RYR�R�(R.RJRUR�RQR�RRRSR�RTR@((s1/usr/lib64/python2.7/site-packages/dns/message.pyt_rr_line~sT	
$	cCsS|j}d	}x=|jjtt�}|j�r7Pn|j�r1|jj�}|dkrj|j}n�|dks�|dkr�|j	}|j
j}n�|dks�|dkr�|j}|j
j
}nT|dks�|dkr�|j}|j
j}n$|dkr|j}|j
j}n|jj�qn|jj|�||�qWd	S(
sNRead a text format DNS message and build a dns.message.Message
        object.tHEADERtQUESTIONtZONER_tPREREQR`tUPDATERbN(R�RR�RLR+R�t
is_commentRttupperR�R~RR�RRRR�R�(R.tline_methodRJR�tu((s1/usr/lib64/python2.7/site-packages/dns/message.pyR��s4					
(RRRR/R�R�R�R�(((s1/usr/lib64/python2.7/site-packages/dns/message.pyR�s		.		5cCs&t�}t||�}|j�|S(s�Convert the text format message into a message object.

@param text: The text format message.
    @type text: string
    @raises UnknownHeaderField:
    @raises dns.exception.SyntaxError:
    @rtype: dns.message.Message object(R	R�R�(R�R�R�((s1/usr/lib64/python2.7/site-packages/dns/message.pyRl�s
	
cCs�tjdkrt}d}nt}d}t||�rQt||�}t}nt}zt|�}Wd|r}|j	�nX|S(sRead the next text format message from the specified file.

@param f: file or string.  If I{f} is a string, it is treated
    as the name of a file to open.
    @raises UnknownHeaderField:
    @raises dns.exception.SyntaxError:
    @rtype: dns.message.Message objectitrURgN(
tsyst
hexversiont
basestringRjRAtfileR+R%Rltclose(tftstr_typetoptst
want_closeR�((s1/usr/lib64/python2.7/site-packages/dns/message.pyt	from_file�s			iic	
	Cs�t|ttf�r*tjj|�}nt|ttf�rTtjj|�}nt|ttf�r~tjj|�}nt�}	|	j	tj	j
O_	|	j|	j|||dt
dt
�|	j|||||�|	j|�|	S(sWMake a query message.

The query name, type, and class may all be specified either
    as objects of the appropriate type, or as strings.

The query will have a randomly choosen query id, and its DNS flags
    will be set to dns.flags.RD.

@param qname: The query name.
    @type qname: dns.name.Name object or string
    @param rdtype: The desired rdata type.
    @type rdtype: int
    @param rdclass: The desired rdata class; the default is class IN.
    @type rdclass: int
    @param use_edns: The EDNS level to use; the default is None (no EDNS).
    See the description of dns.message.Message.use_edns() for the possible
    values for use_edns and their meanings.
    @type use_edns: int or bool or None
    @param want_dnssec: Should the query indicate that DNSSEC is desired?
    @type want_dnssec: bool
    @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
    @rtype: dns.message.Message objectRVRW(RARjRkRRQRlRxR�R	RtRDRYRR+RoRr(
R�RSRRRoRrRRRRR�((s1/usr/lib64/python2.7/site-packages/dns/message.pyt
make_querys$	
i i,cCs|jtjj@r(tjjd��ntjj|j�}tjj|jtjj@B|_|r{|jtjj	O_n|j
|j��t|j
�|_
|jdkr�|jdd||j�n|jr|j|j|j|ddd|j�|j|_n|S(sMake a message which is a response for the specified query.
    The message returned is really a response skeleton; it has all
    of the infrastructure required of a response, but none of the
    content.

The response's question section is a shallow copy of the query's
    question section, so the query's question RRsets should not be
    changed.

@param query: the query to respond to
    @type query: dns.message.Message object
    @param recursion_available: should RA be set in the response?
    @type recursion_available: bool
    @param our_payload: payload size to advertise in EDNS responses; default
    is 8192.
    @type our_payload: int
    @param fudge: TSIG time fudge; default is 300 seconds.
    @type fudge: int
    @rtype: dns.message.Message objects&specified query message is not a queryiR
N(RRRFR�R�R~R	RR�tRARwR6tlistRRRoRR)RnRRRRR$R(tquerytrecursion_availabletour_payloadR"tresponse((s1/usr/lib64/python2.7/site-packages/dns/message.pyt
make_response6s 	
(,RR4trandomR�R�R�tdns.ednsRt
dns.exceptiont	dns.flagstdns.namet
dns.opcodetdns.entropyt	dns.rcodet	dns.rdatatdns.rdataclasst
dns.rdatatypet	dns.rrsettdns.renderertdns.tsigtdns.wiredataR�R�RRtDNSExceptionRRRRtobjectR	RzRR%R+R�R�RlR�R�R�R�R�(((s1/usr/lib64/python2.7/site-packages/dns/message.pyt<module>sP���	5�			0

/home/../opt/./../usr/lib64/./sse2/../python2.7/site-packages/dns/message.pyc