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pØcJc @ s˜ d Z d d k l Z d d k l Z d d k Td d k l Z d d k l Z d d k
l Z e d d ƒ \ Z
Z Z Z Z d
e f d „ ƒ YZ d S(
sÒ
Variant on L{KexGroup1 } where the prime "p" and
generator "g" are provided by the server. A bit more work is required on the
client side, and a B{lot} more on the server side.
iÿÿÿÿ( t SHA( t number( t *( t util( t Message( t SSHExceptioni i# t KexGexc B st e Z d Z d Z d Z d Z d „ Z e d „ Z d „ Z d „ Z
d „ Z d „ Z d
„ Z
d „ Z d „ Z RS(
s" diffie-hellman-group-exchange-sha1i i i c C sL | | _ d | _ d | _ d | _ d | _ d | _ d | _ t | _ d S( N(
t transportt Nonet pt qt gt xt et ft Falset old_style( t selfR ( ( s4 /usr/lib/python2.6/site-packages/paramiko/kex_gex.pyt __init__- s c C sÌ | i i o | i i t t ƒ d St ƒ } | o0 | i t t ƒ ƒ | i | i ƒ t
| _ nD | i t t ƒ ƒ | i | i ƒ | i | i ƒ | i | i
ƒ | i i | ƒ | i i t ƒ d S( N( R t server_modet _expect_packett _MSG_KEXDH_GEX_REQUESTt _MSG_KEXDH_GEX_REQUEST_OLDR t add_bytet chrt add_intt preferred_bitst TrueR t min_bitst max_bitst
_send_messaget _MSG_KEXDH_GEX_GROUP( R t _test_old_stylet m( ( s4 /usr/lib/python2.6/site-packages/paramiko/kex_gex.pyt start_kex7 s
c C s› | t j o | i | ƒ S| t j o | i | ƒ S| t j o | i | ƒ S| t j o | i | ƒ S| t j o | i | ƒ St
d | ƒ ‚ d S( Ns% KexGex asked to handle packet type %d( R t _parse_kexdh_gex_requestR t _parse_kexdh_gex_groupt _MSG_KEXDH_GEX_INITt _parse_kexdh_gex_initt _MSG_KEXDH_GEX_REPLYt _parse_kexdh_gex_replyR t _parse_kexdh_gex_request_oldR ( R t ptypeR! ( ( s4 /usr/lib/python2.6/site-packages/paramiko/kex_gex.pyt
parse_nextL s
c C s | i d d } t i | d ƒ } t | d ƒ } t | ƒ } d } x$ | d @p | d K} | d L} qH Wx„ t o| | i i i ƒ | i i i | ƒ } t
t | d ƒ | @ƒ | d } t i | d ƒ } | d j o | | j o Pqo qo W| | _ d S( Ni i i iÿ i€ (
R R t deflate_longt ordt lenR R t randpoolt stirt get_bytesR t inflate_longR ( R R
t qnormt qhbytet bytest qmaskt x_bytesR ( ( s4 /usr/lib/python2.6/site-packages/paramiko/kex_gex.pyt _generate_x] s$
"
c C st | i ƒ } | i ƒ } | i ƒ } | | i j o
| i } n | | i j o
| i } n | | j o
| } n | | j o
| } n | | _ | | _ | | _ | i i ƒ } | d j o t d ƒ ‚ n | i i t d | | | f ƒ | i
| | | ƒ \ | _ | _ t
ƒ } | i t t ƒ ƒ | i | i ƒ | i | i ƒ | i i | ƒ | i i t ƒ d S( Ns- Can't do server-side gex with no modulus packs Picking p (%d <= %d <= %d bits)( t get_intR R R R t _get_modulus_packR R t _logt DEBUGt get_modulusR R R R R R t add_mpintR R R% ( R R! t minbitst
preferredbitst maxbitst pack( ( s4 /usr/lib/python2.6/site-packages/paramiko/kex_gex.pyR# p s2
! c C s1 | i ƒ | _ | i | i j o | i | _ n | i | i j o | i | _ n | i i ƒ } | d j o t d ƒ ‚ n | i i t d | i f ƒ | i
| i | i | i ƒ \ | _ | _ t
ƒ } | i t t ƒ ƒ | i | i ƒ | i | i ƒ | i i | ƒ | i i t ƒ t | _ d S( Ns- Can't do server-side gex with no modulus packs Picking p (~ %d bits)( R9 R R R R R: R R R; R< R= R R R R R R R> R R R% R R ( R R! RB ( ( s4 /usr/lib/python2.6/site-packages/paramiko/kex_gex.pyR) ‘ s"
* c C sí | i ƒ | _ | i ƒ | _ t i | i ƒ } | d j p
| d j o t d | ƒ ‚ n | i i t d | ƒ | i ƒ t
| i | i | i ƒ | _ t
ƒ } | i t t ƒ ƒ | i | i ƒ | i i | ƒ | i i t ƒ d S( Ni i s< Server-generated gex p (don't ask) is out of range (%d bits)s Got server p (%d bits)( t get_mpintR R R t
bit_lengthR R R; R< R8 t powR R
R R R R% R> R R R' ( R R! t bitlen( ( s4 /usr/lib/python2.6/site-packages/paramiko/kex_gex.pyR$ § s
c C s- | i ƒ | _ | i d j p | i | i d j o t d ƒ ‚ n | i ƒ t | i | i | i ƒ | _ t | i | i | i ƒ } t | i
i ƒ ƒ } t ƒ } | i
| i
i | i
i | i
i | i
i | ƒ | i p | i | i ƒ n | i | i ƒ | i p | i | i ƒ n | i | i ƒ | i | i ƒ | i | i ƒ | i | i ƒ | i | ƒ t i t | ƒ ƒ i ƒ } | i
i | | ƒ | i
i ƒ i | i
i | ƒ } t ƒ } | i t t ƒ ƒ | i! | ƒ | i | i ƒ | i! t | ƒ ƒ | i
i" | ƒ | i
i# ƒ d S( Ni s Client kex "e" is out of range($ RC R
R R R8 RE R R R t strR t get_server_keyR t addt remote_versiont
local_versiont remote_kex_initt local_kex_initR R R R R R> R t newt digestt _set_K_Ht
sign_ssh_dataR/ R R R' t
add_stringR t _activate_outbound( R R! t Kt keyt hmt Ht sig( ( s4 /usr/lib/python2.6/site-packages/paramiko/kex_gex.pyR& ¸ s> '
!
c C s˜ | i ƒ } | i ƒ | _ | i ƒ } | i d j p | i | i d j o t d ƒ ‚ n t | i | i | i ƒ } t ƒ } | i | i i
| i i | i i | i i
| ƒ | i p | i | i ƒ n | i | i ƒ | i p | i | i ƒ n | i | i ƒ | i | i ƒ | i | i ƒ | i | i ƒ | i | ƒ | i i | t i t | ƒ ƒ i ƒ ƒ | i i | | ƒ | i i ƒ d S( Ni s Server kex "f" is out of range( t
get_stringRC R R R RE R R RI R RK RJ RM RL R R R R R R> R R
RP R RN RG RO t _verify_keyRS ( R R! t host_keyRX RT RV ( ( s4 /usr/lib/python2.6/site-packages/paramiko/kex_gex.pyR( Ü s. '
(( t __name__t
__module__t nameR R R R R R" R+ R8 R# R) R$ R& R( ( ( ( s4 /usr/lib/python2.6/site-packages/paramiko/kex_gex.pyR & s
! $N( t __doc__t Crypto.HashR t Crypto.UtilR t paramiko.commont paramikoR t paramiko.messageR t paramiko.ssh_exceptionR t rangeR R R% R' R t objectR ( ( ( s4 /usr/lib/python2.6/site-packages/paramiko/kex_gex.pyt s