HOME

Mini Shell 1.0
DIR:/usr/lib/python2.7/site-packages/paramiko/
Current File : //usr/lib/python2.7/site-packages/paramiko/kex_gss.pyo
�
=OXc@srdZddlZddlmZddlTddlmZddlmZddl	m
Z
mZmZm
Z
ddlmZed	d
�\ZZZZZedd�\ZZged	d
�D]Ze
e�^q�\ZZZZZgedd�D]Ze
e�^q�\ZZd
e fd��YZ!de!fd��YZ"de fd��YZ#de fd��YZ$dS(s�
This module provides GSS-API / SSPI Key Exchange as defined in :rfc:`4462`.

.. note:: Credential delegation is not supported in server mode.

.. note::
    `RFC 4462 Section 2.2
    <https://tools.ietf.org/html/rfc4462.html#section-2.2>`_ says we are not
    required to implement GSS-API error messages. Thus, in many methods within
    this module, if an error occurs an exception will be thrown and the
    connection will be terminated.

.. seealso:: :doc:`/api/ssh_gss`

.. versionadded:: 1.15
i����N(tsha1(t*(tutil(tMessage(tbyte_chrtlongt	byte_masktbyte_ord(tSSHExceptionii#i(i*tKexGSSGroup1cBs�eZdZdZdZed�edZedZ	dZ
d�Zd�Zd	�Z
d
�Zd�Zd�Zd
�Zd�Zd�ZRS(s�
    GSS-API / SSPI Authenticated Diffie-Hellman Key Exchange as defined in `RFC
    4462 Section 2 <https://tools.ietf.org/html/rfc4462.html#section-2>`_
    lE����8�{3If?�E y�Z�3�V�58n�oP�e�?a-�
�tBL�
�y3W[�<�p�6m5��P��&a�F!�33*�w& �AR�M;L}.�c|&A�@�h\�&&#-D�v�d����iiiis(gss-group1-sha1-toWM5Slw5Ew8Mqkay+al2g==cCs@||_|jj|_d|_d|_d|_d|_dS(Ni(t	transporttkexgss_ctxttkexgsstNonetgss_hosttxtetf(tselfR
((s4/usr/lib/python2.7/site-packages/paramiko/kex_gss.pyt__init__Fs				cCs�t|j_|j�|jjrTt|j|j|j�|_	|jj
t�dSt|j|j|j�|_|jj
|_
t�}|jt�|j|jjd|j
��|j|j�|jj|�|jj
tttt�dS(sU
        Start the GSS-API / SSPI Authenticated Diffie-Hellman Key Exchange.
        Nttarget(tTrueR
tgss_kex_usedt_generate_xtserver_modetpowtGRtPRt_expect_packettMSG_KEXGSS_INITRRRtadd_bytetc_MSG_KEXGSS_INITt
add_stringRtssh_init_sec_contextt	add_mpintt
_send_messagetMSG_KEXGSS_HOSTKEYtMSG_KEXGSS_CONTINUEtMSG_KEXGSS_COMPLETEtMSG_KEXGSS_ERROR(Rtm((s4/usr/lib/python2.7/site-packages/paramiko/kex_gss.pyt	start_kexNs"
	
cCs�|jjr%|tkr%|j|�S|jjrK|tkrK|j|�S|jjrp|tkrp|j|�S|jjr�|tkr�|j	|�S|t
kr�|j|�Std|��dS(s�
        Parse the next packet.

        :param char ptype: The type of the incomming packet
        :param `.Message` m: The paket content
        s,GSS KexGroup1 asked to handle packet type %dN(
R
RRt_parse_kexgss_initR$t_parse_kexgss_hostkeyR%t_parse_kexgss_continueR&t_parse_kexgss_completeR't_parse_kexgss_errorR(RtptypeR(((s4/usr/lib/python2.7/site-packages/paramiko/kex_gss.pyt
parse_nextgs




cCspxWtjd�}t|dd�|d}|d |jkr|d |jkrPqqtj|�|_dS(sp
        generate an "x" (1 < x < q), where q is (p-1)/2.
        p is a 128-byte (1024-bit) number, where the first 64 bits are 1.
        therefore q can be approximated as a 2^1023.  we drop the subset of
        potential x where the first 63 bits are 1, because some of those will be
        larger than q (but this is a tiny tiny subset of potential x).
        i�iiiiN(tosturandomRtb7ffffffffffffffftb0000000000000000Rtinflate_longR(Rtx_bytes((s4/usr/lib/python2.7/site-packages/paramiko/kex_gss.pyR}scCsN|j�}||j_|j�}|jj||�|jjtt�dS(s�
        Parse the SSH2_MSG_KEXGSS_HOSTKEY message (client mode).

        :param `.Message` m: The content of the SSH2_MSG_KEXGSS_HOSTKEY message
        N(t
get_stringR
thost_keyt_verify_keyRR%R&(RR(R8tsig((s4/usr/lib/python2.7/site-packages/paramiko/kex_gss.pyR+�scCs�|jjs||j�}t�}|jt�|j|jjd|j	d|��|jj
|�|jjtt
t�ndS(s�
        Parse the SSH2_MSG_KEXGSS_CONTINUE message.

        :param `.Message` m: The content of the SSH2_MSG_KEXGSS_CONTINUE message
        Rt
recv_tokenN(R
RR7RRtc_MSG_KEXGSS_CONTINUER RR!Rtsend_messageRR%R&R'(RR(t	srv_token((s4/usr/lib/python2.7/site-packages/paramiko/kex_gss.pyR,�s	


cCs�|jjdkr$t�|j_n|j�|_|jdksX|j|jdkrgtd��n|j�}|j	�}d}|r�|j�}nt
|j|j|j�}t�}|j
|jj|jj|jj|jj�|j|jjj��|j|j�|j|j�|j|�|jj|tt|��j��|dk	r�|jjd|jd|�|jj||jj�n|jj||jj�|jj�dS(s�
        Parse the SSH2_MSG_KEXGSS_COMPLETE message (client mode).

        :param `.Message` m: The content of the SSH2_MSG_KEXGSS_COMPLETE message
        isServer kex "f" is out of rangeRR;N( R
R8R
tNullHostKeyt	get_mpintRRRR7tget_booleanRRRtaddt
local_versiontremote_versiontlocal_kex_inittremote_kex_initR t__str__R"Rt_set_K_HRtstrtdigestRR!Rt
ssh_check_mict
session_idt_activate_outbound(RR(t	mic_tokentboolR>tKthm((s4/usr/lib/python2.7/site-packages/paramiko/kex_gss.pyR-�s6%	
%
c	Cs6|j�}|j�|_|jdks@|j|jdkrOtd��nt|j|j|j�}t�|j_	|jj	j
�}t�}|j|jj
|jj|jj|jj�|j|�|j|j�|j|j�|j|�t|j��j�}|jj||�|jj|j|�}t�}|jjr�|jj|jjdt�}|jt �|j|j�|j|�|dk	r�|j"t�|j|�n
|j"t#�|jj$|�|jj%�n@|jt&�|j|�|jj$|�|jj't(t)t*�dS(s�
        Parse the SSH2_MSG_KEXGSS_INIT message (server mode).

        :param `.Message` m: The content of the SSH2_MSG_KEXGSS_INIT message
        isClient kex "e" is out of rangetgss_kexN(+R7R@RRRRRR?R
R8RGRRBRDRCRFRER R"RRtasbytesRJRHRtssh_accept_sec_contextRt_gss_srv_ctxt_statustssh_get_micRLRRtc_MSG_KEXGSS_COMPLETER
tadd_booleantFalseR#RMR<RR%R&R'(	RR(tclient_tokenRPtkeyRQtHR>RN((s4/usr/lib/python2.7/site-packages/paramiko/kex_gss.pyR*�sJ%	

			





cCsY|j�}|j�}|j�}|j�}td�t|�t|�|f�dS(s�
        Parse the SSH2_MSG_KEXGSS_ERROR message (client mode).
        The server may send a GSS-API error message. if it does, we display
        the error by throwing an exception (client mode).

        :param `.Message` m: The content of the SSH2_MSG_KEXGSS_ERROR message
        :raise SSHException: Contains GSS-API major and minor status as well as
                             the error message and the language tag of the
                             message
        s_GSS-API Error:
Major Status: %s
Minor Status: %s                            
Error Message: %s
N(tget_intR7RRI(RR(t
maj_statust
min_statusterr_msgtlang_tag((s4/usr/lib/python2.7/site-packages/paramiko/kex_gss.pyR.s	(t__name__t
__module__t__doc__RRRtmax_byteR3t	zero_byteR4tNAMERR)R0RR+R,R-R*R.(((s4/usr/lib/python2.7/site-packages/paramiko/kex_gss.pyR	:s
							&	0t
KexGSSGroup14cBs eZdZdZdZdZRS(s�
    GSS-API / SSPI Authenticated Diffie-Hellman Group14 Key Exchange as defined
    in `RFC 4462 Section 2
    <https://tools.ietf.org/html/rfc4462.html#section-2>`_
    l������&�U�G9
tcb0]Q\-�:�$�90.`U�_�b;YS7x]Ek�`:xds�!,w<G�8�qbdR_��h��d�d��Y6K�pRT{�U�j�K�#�Gt|�L���4�S�8� �FYpw,(.>�=�H�G2C�d�c_�.K?&j�_�c�}�z[\V�_1M.D�^�/1v5I	�j�V&|�
�/�mV�lR�<6#�{n4�(EY91�T�:�g8	H	�Ap�cb4B�B�j~H�����is)gss-group14-sha1-toWM5Slw5Ew8Mqkay+al2g==(RbRcRdRRRg(((s4/usr/lib/python2.7/site-packages/paramiko/kex_gss.pyRhst	KexGSSGexcBs�eZdZdZdZdZdZd�Zd�Zd�Z	d�Z
d	�Zd
�Zd�Z
d�Zd
�Zd�Zd�ZRS(s�
    GSS-API / SSPI Authenticated Diffie-Hellman Group Exchange as defined in
    `RFC 4462 Section 2 <https://tools.ietf.org/html/rfc4462.html#section-2>`_
    s%gss-gex-sha1-toWM5Slw5Ew8Mqkay+al2g==ii icCsd||_|jj|_d|_d|_d|_d|_d|_d|_	d|_
t|_dS(N(
R
RRR
RtptqtgRRRRYt	old_style(RR
((s4/usr/lib/python2.7/site-packages/paramiko/kex_gss.pyR.s								cCs�t|j_|jjr,|jjt�dS|jj|_t�}|jt	�|j
|j�|j
|j�|j
|j
�|jj|�|jjt�dS(sV
        Start the GSS-API / SSPI Authenticated Diffie-Hellman Group Exchange
        N(RR
RRRtMSG_KEXGSS_GROUPREQRRRtc_MSG_KEXGSS_GROUPREQtadd_inttmin_bitstpreferred_bitstmax_bitsR#tMSG_KEXGSS_GROUP(RR(((s4/usr/lib/python2.7/site-packages/paramiko/kex_gss.pyR):s	
cCs�|tkr|j|�S|tkr2|j|�S|tkrK|j|�S|tkrd|j|�S|tkr}|j	|�S|t
kr�|j|�S|tkr�|j
|�Std|��dS(s�
        Parse the next packet.

        :param char ptype: The type of the incomming packet
        :param `.Message` m: The paket content
        s%KexGex asked to handle packet type %dN(Rnt_parse_kexgss_groupreqRtt_parse_kexgss_groupRt_parse_kexgss_gex_initR$R+R%R,R&R-R'R.R(RR/R(((s4/usr/lib/python2.7/site-packages/paramiko/kex_gss.pyR0Ns






cCs�|jdd}tj|d�}t|d�}t|�}d}x"|d@si|dK}|dL}qHWxbtr�tj|�}t|d|�|d}tj	|d�}|dkrm||krmPqmqmW||_
dS(Niiii�i�(RjRtdeflate_longRtlenRR1R2RR5R(RRktqnormtqhbytet
byte_counttqmaskR6R((s4/usr/lib/python2.7/site-packages/paramiko/kex_gss.pyRgs
	cCsd|j�}|j�}|j�}||jkr?|j}n||jkrZ|j}n||kro|}n||kr�|}n||_||_||_|jj�}|dkr�td��n|jjt	d|||f�|j
|||�\|_|_t
�}|jt�|j|j�|j|j�|jj|�|jjt�dS(s�
        Parse the SSH2_MSG_KEXGSS_GROUPREQ message (server mode).

        :param `.Message` m: The content of the SSH2_MSG_KEXGSS_GROUPREQ message
        s-Can't do server-side gex with no modulus packsPicking p (%d <= %d <= %d bits)N(R]RsRqRrR
t_get_modulus_packR
Rt_logtDEBUGtget_modulusRlRjRRtc_MSG_KEXGSS_GROUPR"R#RR(RR(tminbitst
preferredbitstmaxbitstpack((s4/usr/lib/python2.7/site-packages/paramiko/kex_gss.pyRuys2					 !	
cCs|j�|_|j�|_tj|j�}|dksH|dkr[td|��n|jjtd|�|j	�t
|j|j|j�|_t
�}|jt�|j|jjd|j��|j|j�|jj|�|jjtttt�dS(s�
        Parse the SSH2_MSG_KEXGSS_GROUP message (client mode).

        :param `Message` m: The content of the SSH2_MSG_KEXGSS_GROUP message
        ii s<Server-generated gex p (don't ask) is out of range (%d bits)sGot server p (%d bits)RN(R@RjRlRt
bit_lengthRR
RR�RRRRRRRR RR!RR"R#RR$R%R&R'(RR(tbitlen((s4/usr/lib/python2.7/site-packages/paramiko/kex_gss.pyRv�s"
	
c	Cs�|j�}|j�|_|jdks@|j|jdkrOtd��n|j�t|j|j|j�|_	t|j|j|j�}t
�|j_|jjj
�}t�}|j|jj|jj|jj|jj|�|j|j�|j|j�|j|j�|j|j�|j|j�|j|j�|j|j	�|j|�t|j��j�}|jj||�|jj|j|�}t�}|jj r`|jj!|jj"dt#�}|j$t%�|j|j	�|j&|�|dk	r3|j(t#�|j&|�n
|j(t)�|jj*|�|jj+�n@|j$t,�|j&|�|jj*|�|jj-t.t/t0�dS(s�
        Parse the SSH2_MSG_KEXGSS_INIT message (server mode).

        :param `Message` m: The content of the SSH2_MSG_KEXGSS_INIT message
        isClient kex "e" is out of rangeRRN(1R7R@RRjRRRRlRRR?R
R8RGRRBRDRCRFRERpRqRrRsR"RRSRJRHRRTRRURVRLRRRWR R
RXRYR#RMR<RR%R&R'(	RR(RZRPR[RQR\R>RN((s4/usr/lib/python2.7/site-packages/paramiko/kex_gss.pyRw�sX%
	
			





cCsN|j�}||j_|j�}|jj||�|jjtt�dS(s�
        Parse the SSH2_MSG_KEXGSS_HOSTKEY message (client mode).

        :param `Message` m: The content of the SSH2_MSG_KEXGSS_HOSTKEY message
        N(R7R
R8R9RR%R&(RR(R8R:((s4/usr/lib/python2.7/site-packages/paramiko/kex_gss.pyR+�scCs�|jjs||j�}t�}|jt�|j|jjd|j	d|��|jj
|�|jjtt
t�ndS(s�
        Parse the SSH2_MSG_KEXGSS_CONTINUE message.

        :param `Message` m: The content of the SSH2_MSG_KEXGSS_CONTINUE message
        RR;N(R
RR7RRR<R RR!RR=RR%R&R'(RR(R>((s4/usr/lib/python2.7/site-packages/paramiko/kex_gss.pyR,�s	


cCs)|jjdkr$t�|j_n|j�|_|j�}|j�}d}|rf|j�}n|jdks�|j|jdkr�t	d��nt
|j|j|j�}t�}|j
|jj|jj|jj|jj|jjj��|js|j|j�n|j|j�|jsC|j|j�n|j|j�|j|j�|j|j�|j|j�|j|�t|j��j�}|jj||�|dk	r�|jj d|j!d|�|jj"||jj#�n|jj"||jj#�|jj$�dS(s�
        Parse the SSH2_MSG_KEXGSS_COMPLETE message (client mode).

        :param `Message` m: The content of the SSH2_MSG_KEXGSS_COMPLETE message
        isServer kex "f" is out of rangeRR;N(%R
R8R
R?R@RR7RARjRRRRRBRCRDRERFRGRmRpRqRrRsR"RlRRRSRJRHRR!RRKRLRM(RR(RNROR>RPRQR\((s4/usr/lib/python2.7/site-packages/paramiko/kex_gss.pyR-sF%			

cCsY|j�}|j�}|j�}|j�}td�t|�t|�|f�dS(s�
        Parse the SSH2_MSG_KEXGSS_ERROR message (client mode).
        The server may send a GSS-API error message. if it does, we display
        the error by throwing an exception (client mode).

        :param `Message` m:  The content of the SSH2_MSG_KEXGSS_ERROR message
        :raise SSHException: Contains GSS-API major and minor status as well as
                             the error message and the language tag of the
                             message
        s_GSS-API Error:
Major Status: %s
Minor Status: %s                            
Error Message: %s
N(R]R7RRI(RR(R^R_R`Ra((s4/usr/lib/python2.7/site-packages/paramiko/kex_gss.pyR.=s	(RbRcRdRgRqRsRrRR)R0RRuRvRwR+R,R-R.(((s4/usr/lib/python2.7/site-packages/paramiko/kex_gss.pyRi$s 					&		6			-R?cBs)eZdZd�Zd�Zd�ZRS(s�
    This class represents the Null Host Key for GSS-API Key Exchange as defined
    in `RFC 4462 Section 5
    <https://tools.ietf.org/html/rfc4462.html#section-5>`_
    cCs
d|_dS(Nt(R[(R((s4/usr/lib/python2.7/site-packages/paramiko/kex_gss.pyRXscCs|jS(N(R[(R((s4/usr/lib/python2.7/site-packages/paramiko/kex_gss.pyRG[scCs|jS(N(R[(R((s4/usr/lib/python2.7/site-packages/paramiko/kex_gss.pytget_name^s(RbRcRdRRGR�(((s4/usr/lib/python2.7/site-packages/paramiko/kex_gss.pyR?Rs		(%RdR1thashlibRtparamiko.commontparamikoRtparamiko.messageRtparamiko.py3compatRRRRtparamiko.ssh_exceptionRtrangeRR%R&R$R'RnRttcRR<RWtc_MSG_KEXGSS_HOSTKEYtc_MSG_KEXGSS_ERRORRoR�tobjectR	RhRiR?(((s4/usr/lib/python2.7/site-packages/paramiko/kex_gss.pyt<module>&s 
"7.��/