3xjT%ldZddlZddlZddlZddlZddlZddlmZmZm Z m Z m Z m Z ddl mZd!dZd"dZd#d Zd Zd Zd ZdZdZdZdZdZdZejadaejadZ efdZ!GddZ"e"Z#dZ$dZ%GddZ&dZ'dZ(d$dZ)d$d Z*dS)%zo The dreaded ``utils.py`` - clearinghouse for commonly used functions or data that don't belong anywhere else. N)DEBUGbyte_chrbyte_ordmax_byte xffffffff zero_byte) SSHConfigFc d}d}|s.t|dkrt|ddkrd}t|dzr+t}|rt}|dt|dzz z|z}t dt|dD].}|dzt jd|||dzdz}/|r|ddt|zzz}|S)zTturns a normalized byte string into a long-int (adapted from Crypto.Util.number)r >I)lenrrrrangestructunpack)salways_positiveoutnegativefilleris >C:\Projects\Historical\venv\Lib\site-packages\paramiko/util.py inflate_longr)s CH A !A$41G1G 1vvz*  F a#a&&1*n % ) 1c!ffa AAbyFM$!a!e) ==a@@! qQQZ   JTc$t}t|}|dkr7|dkr1tjd|tz|z}|dz}|dkr|dk1t |D]*}|dkr|ddkrn,|dkr|ddkrn+d}|dkrt }nt}||dd}|rR|dkr#t|dd kr t |z}|dkr#t|dd kr t|z}|S) zTturns a long-int into a normalized byte string (adapted from Crypto.Util.number)rrrr )rNr ) bytesintrpackr enumeraterrr)nadd_sign_paddingrrs r deflate_longr'>s1 A AA 66R Ka)m , ,q 0 b 66Rq\\   FF1 E GG!A$$,, E  66AAA !A$&& A FF!A$4//A A GG(1Q4..4//1 A Hrc^d}g}t||dzkrH|t|||dz|dz }t||dzkH|t|kr*|t||dfd|DS)Nrcg|]}|zSr,).0lineprefixs r z!format_binary..es * * *dFTM * * *r)rappendformat_binary_line)datar/xrs ` r format_binaryr5]s A C d))a"f   %d1q2v:&677888 R d))a"f   3t99}} %d122h//000 * * * *c * * **rcdd|D}dd|D}d||S)N cRg|]$}dt|%S)z{:02X}formatrr-cs rr0z&format_binary_line..is*@@@aX__Xa[[11@@@rr(cg|]=}dt|t|dzdz>S)z.{:c}..?_r9r;s rr0z&format_binary_line..ksAOOOQ  (1++ & & b(8R'? @OOOrz {:50s} {})joinr:)r3leftrights rr2r2hs^ 88@@4@@@ A AD GGOO$OOO  E   dE * **rcd}|D]Y}t|}d|cxkrdkrnn|t|z }4|td|z }Z|S)Nrrz%{:02X})rrbr:)rrr<rs r safe_stringrFpss C ** QKK >>>>c>>>>> 8A;; CC 1Y%%a(()) )CC Jrc |S#t$rYt|d}t|d}|dkrYdSt |dz}|dzs|dz}|dz}|dz|cYSwxYw)NFrr rr ) bit_lengthAttributeErrorr'rr)r%normhbytebitlens rrHrH{s ||~~    Au%%a!! A::11TQ4<  aKE aKF4<   s5A9(A98A9cdtjtjdS)Nr( )r@ tracebackformat_exceptionsysexc_infosplitr,rr tb_stringsrTs0 779-s|~~> ? ? E Ed K KKrct}t}t|dkr |dd}|dkr|}t|dkr|||t||||}t |t|}||d|z }||z}|dk|S)a) Given a password, passphrase, or other human-source key, scramble it through a secure hash into some keyworthy bytes. This specific algorithm is used for encrypting/decrypting private key files. :param function hash_alg: A function which creates a new hash object, such as ``hashlib.sha256``. :param salt: data to salt the hash with. :type bytes salt: Hash salt bytes. :param str key: human-entered password or passphrase. :param int nbytes: number of bytes to generate. :return: Key data, as `bytes`. rNr)r!rupdaterEdigestmin)hash_algsaltkeynbyteskeydatarWhash_objsizes rgenerate_key_bytesr`sggG WWF 4yy1}}BQBx 1**8:: v;;?? OOF # # ##""63v;;''6%4%= $ 1** Nrc$ddlm}||S)aN Read a file of known SSH host keys, in the format used by openssh, and return a compound dict of ``hostname -> keytype ->`` `PKey `. The hostname may be an IP address or DNS name. This type of file unfortunately doesn't exist on Windows, but on posix, it will usually be stored in ``os.path.expanduser("~/.ssh/known_hosts")``. Since 1.5.3, this is just a wrapper around `.HostKeys`. :param str filename: name of the file to read host keys from :return: nested dict of `.PKey` objects, indexed by hostname and then keytype r)HostKeys)paramiko.hostkeysrb)filenamerbs rload_host_keysres&+***** 8H  rcLt}|||S)z Provided only as a backward-compatible wrapper around `.SSHConfig`. .. deprecated:: 2.7 Use `SSHConfig.from_file` instead. )r parse)file_objconfigs rparse_ssh_configrjs$[[F LL Mrc,||S)zM Provided only as a backward-compatible wrapper around `.SSHConfig`. )lookup)hostnameris rlookup_ssh_host_configrns == " ""rcdd|}}}dd|}}}|dkr)||z}||||zz }}||||zz }}||||zz }}|dk)|dkr||z }|S)Nr rr,) r4mu1u2u3v1v2v3qs r mod_inverserxsAqBBAqBB q&& "HR"q&[BR"q&[BR"q&[B q&&  Avv a Irc tjS#t$rIt5tdz att_dddn #1swxYwYtjcYSwxYw)Nr )_g_thread_dataidrI_g_thread_lock_g_thread_counterr,rr get_thread_idr~s!  !!!  2 2  "  1N  2 2 2 2 2 2 2 2 2 2 2 2 2 2 2    !s1 A!A A!A A!A A! A!c\tjd}t|jdkrdS||t |d}tj|}d}|dz }|tj|d| |dS)zKsend paramiko logs to a logfile, if they're not already going somewhereparamikorNaz>%(levelname)-.3s [%(asctime)s.%(msecs)03d] thr=%(_threadid)-3dz %(name)s: %(message)sz%Y%m%d-%H:%M:%S) logging getLoggerrhandlerssetLevelopen StreamHandler setFormatter Formatter addHandler)rdlevelloggerfhandlerfrms r log_to_filers z * *F 6?a OOE XsA#A&&G JC ##C *30ABBCCC grceZdZdZdS)PFilterc,t|_dS)NT)r~ _threadid)selfrecords rfilterzPFilter.filters(??trN)__name__ __module__ __qualname__rr,rrrrs#rrcbtj|}|t|SN)rr addFilter_pfilter)namers r get_loggerr s+  t $ $F X Mrct|t|krdSd}tt|D]0}|t||t||z z}1|dkS)NFr)rrr)rrEresrs rconstant_time_bytes_eqrsl 1vvQu C 3q66]]// x!~~1.. !8OrceZdZdZdZdS)ClosingContextManagerc|Srr,)rs r __enter__zClosingContextManager.__enter__s rc.|dSr)close)rtypevaluerOs r__exit__zClosingContextManager.__exit__ s rN)rrrrrr,rrrrs2rrc>t|t||Sr)maxrX)minimumvalmaximums r clamp_valuer$s wC)) * **rc t|S#t$r, |cYS#t$r|cYcYSwxYwwxYw)z: Coerce to bytes if possible or return unchanged. )rE TypeErrorasbytesrI)rs rrr(sttt     99;;      HHHHH   s( A2A AAAAutf8ct|tr|St|tr||St dt |)zcast unicode or bytes to bytesExpected unicode or bytes, got ) isinstancer!strencoderrrencodings rrErE>s\!UE As  Exx!!!C$q''CCDDDrct|tr||St|tr|St dt |)z cast bytes or unicode to unicoder)rr!decoderrrrs rurIs\!UExx!!! As  EC$q''CCDDDr)F)T)r()r)+__doc__rrrQ threadingrOparamiko.commonrrrrrrparamiko.configr rr'r5r2rFrHrTr`rerjrnrxlocalrzr}Lockr|r~rrrrrrrrrErr,rrrs&  &%%%%%*    >+++++++   LLL>(   ###   !""!!!!!!&      799 +++,EEEEEEEEEEr