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common exploits (including CVE-2007-4559). By default, absolute/parent paths are disallowed and some mode bits are cleared. See https://access.redhat.com/articles/7004769 for more details.zrString names are not supported for TarFile.extraction_filter. Use a function such as tarfile.data_filter directly.)Úextraction_filterrzÚenvironrBrŸÚ_CONFIG_FILENAMEÚFileNotFoundErrorÚ configparserZ ConfigParserZ read_fileÚ_NAMED_FILTERSrÅr0Ú_RH_SAFER_DEFAULTÚwarningsÚwarnÚRuntimeWarningr rr7r9Ú TypeErrorÚcallable)rrìr‚ÚfilerùZconfr8r8r9Ú_get_filter_function™sZ  þþ ø  ÿ  zTarFile._get_filter_functionÚ.)Ú numeric_ownerrìc Csðg}| |¡}|dkr|}|D]F}| |||¡}|dkr:q| ¡rL| |¡|j||| ¡ |dq|jdd„dd|D]n}tj ||j ¡} z,|j || |d|  || ¡|  || ¡Wq|t k rè} z| | ¡W5d} ~ XYq|Xq|dS)N©Ú set_attrsrcSs|jSr…r)ršr8r8r9Úïrz$TarFile.extractall..T)r°Úreverse)r)rÚ_get_extract_tarinforrÂÚ _extract_oneÚsortrzr%rÃr‚ÚchownÚutimeÚchmodr Ú_handle_nonfatal_error) rr%r¦rrìZ directoriesÚfilter_functionrräÚdirpathrªr8r8r9Ú extractallÎs,  ÿ zTarFile.extractallrŒcCs4| |¡}| |||¡}|dk r0| ||||¡dSr…)rr r )rrr%rrrìrrär8r8r9Úextractûs zTarFile.extractc CsÎt|tƒr| |¡}n|}|}z|||ƒ}WnZttfk r\}z| |¡W5d}~XYn,tk r†}z| |¡W5d}~XYnX|dkr¦| dd|j ¡dS|  ¡rÊt   |¡}t j  ||j¡|_|S)Nr$rí)r7r9rÆr¥réÚ_handle_fatal_errorr rrîr‚rÿrrzr%rÃrr)rrrr%räZ unfilteredrªr8r8r9r  s"   zTarFile._get_extract_tarinfoc Csˆ| d¡z"|j|tj ||j¡||dWnVtk rX}z| |¡W5d}~XYn,tk r‚}z|  |¡W5d}~XYnXdS)Nrwr) rÇÚ_extract_memberrzr%rÃr‚r¥rr r)rrär%rrrªr8r8r9r % s þ zTarFile._extract_onecCs"|jdkr‚n| dd|¡dS)Nr#ú tarfile: %s)r¤rî©rrªr8r8r9r2 s zTarFile._handle_nonfatal_errorcCsn|jdkr‚n\t|tƒrP|jdkr6| dd|j¡qj| dd|j|jf¡n| ddt|ƒj|f¡dS)Nrr#rztarfile: %s %rztarfile: %s %s)r¤r7r¥ÚfilenamerîÚstrerrorrrnrr8r8r9r9 s   zTarFile._handle_fatal_errorcCs‚| d¡t|tƒr | |¡}n|}| ¡s6|jtkrB| ||¡S| ¡sR|  ¡rzt|j t ƒrht dƒ‚q~|  | |¡¡SndSdS)Nrwz'cannot extract (sym)link as file object)rÇr7r9rÆrþrrgÚ fileobjectrÿrr™rŠr Ú extractfileÚ_find_link_target)rrrär8r8r9rE s      zTarFile.extractfilecCsT| d¡}| dtj¡}tj |¡}|r>tj |¡s>t |¡| ¡sN|  ¡rh|  dd|j |j f¡n|  d|j ¡|  ¡rŒ| ||¡nŽ| ¡r¢| ||¡nx| ¡r¸| ||¡nb| ¡sÈ| ¡rÖ| ||¡nD| ¡sæ|  ¡rô| ||¡n&|jtkr| ||¡n | ||¡|rP| |||¡|  ¡sP| ||¡| ||¡dS)Nrör#z%s -> %s)rXr­rzrúr%rržÚmakedirsrÿrrîr‚rrþÚmakefilerÚmakedirrŽÚmakefifor‹rŒÚmakedevÚmakelinkrrgÚ makeunknownr rr )rräÚ targetpathrrZ upperdirsr8r8r9rd s4       zTarFile._extract_membercCs@z&|jdkrt |¡n t |d¡Wntk r:YnXdS)NiÀ)rƒrzÚmkdirÚFileExistsError©rrär$r8r8r9r• s   zTarFile.makedirc CsŽ|j}| |j¡|j}t|dƒb}|jdk rn|jD]"\}}| |¡t|||t|ƒq4| |j¡|  ¡nt|||jt|ƒW5QRXdS)Nr˜) r™r¿ràr¥rŸrár[rr'Útruncate)rrär$ÚsourceraÚtargetrÌr'r8r8r9r£ s      zTarFile.makefilecCs"| ||¡| dd|j¡dS)Nr#z9tarfile: Unknown file type %r, extracted as regular file.)rrîrr'r8r8r9r#³ s ÿzTarFile.makeunknowncCs"ttdƒrt |¡ntdƒ‚dS)NÚmkfifozfifo not supported by system)rrzr+r r'r8r8r9r » s  zTarFile.makefifocCsjttdƒrttdƒstdƒ‚|j}|dkr.d}| ¡rB|tjO}n |tjO}t ||t  |j |j ¡¡dS)NÚmknodr!z'special devices not supported by systemrø) rrzr rƒrŒrÐÚS_IFBLKÚS_IFCHRr,r!rr)rrär$rƒr8r8r9r!à s  ÿzTarFile.makedevc Cs°zb| ¡r0tj |¡r t |¡t |j|¡n0tj |j¡rNt  |j|¡n|  |  |¡|¡WnHt k rªz|  |  |¡|¡Wnt k r¤tdƒ‚YnXYnXdS)Nz%unable to resolve link inside archive)rrzr%ÚlexistsÚunlinkÚsymlinkrržrÚlinkrrÚsymlink_exceptionrÅr r'r8r8r9r"Õ s"   ÿ ÿzTarFile.makelinkcCsüttdƒrøt ¡dkrø|j}|j}|sŽztrB|jrBt |j¡d}Wntk rXYnXzt rv|j rvt   |j ¡d}Wntk rŒYnX|dkršd}|dkr¦d}z4|  ¡rÊttdƒrÊt  |||¡nt |||¡Wntk rötdƒ‚YnXdS)NÚgeteuidrr$r;Úlchownzcould not change owner)rrzr4r*r)rär,ZgetgrnamrÅrâr+Úgetpwnamrr5r r¥r )rrär$rÚgÚur8r8r9r î s0  z TarFile.chowncCsB|jdkrdSzt ||j¡Wntk r<tdƒ‚YnXdS)Nzcould not change mode)rƒrzrr¥r r'r8r8r9r s  z TarFile.chmodcCsV|j}|dkrdSttdƒs dSzt |||f¡Wntk rPtdƒ‚YnXdS)Nr z"could not change modification time)r(rrzr r¥r )rrär$r(r8r8r9r  s z TarFile.utimec Csð| d¡|jdk r$|j}d|_|S|j|j ¡krZ|j |jd¡|j d¡sZtdƒ‚d}z|j  |¡}WqÎt k rÆ}z6|j r´|  dd|j|f¡|jt 7_WY¢q^W5d}~XYqÎtk r6}zR|j r|  dd|j|f¡|jt 7_WY¢ q^n|jdkr&tt|ƒƒ‚W5d}~XYn’tk r^|jdkrZtdƒ‚Ynjtk r˜}z|jdkrˆtt|ƒƒ‚W5d}~XYn0tk rÆ}ztt|ƒƒ‚W5d}~XYnXqÎq^|dk ræ|j |¡nd|_|S) NZrar#rYr$z0x%X: %srz empty fileT)rÇr©rÌr™r¾r¿r]rrärarsr¢rîrÇrKr9rqrrrtr¦rÂr§)rÚmrärªr8r8r9rk' sJ         z TarFile.nextc Cs¶| ¡}d}|dk rHz| |¡}Wntk r:d}YnX|d|…}|rXtj |¡}t|ƒD]D}|rz|j|jkr`d}q`|rŽtj |j¡}n|j}||kr`|Sq`|r²t|ƒ‚dS)NFT) rÉÚindexr0rzr%ÚnormpathÚreversedrÌr‚) rr‚räÚ normalizer¦Zskippingr:rÚ member_namer8r8r9rÄ] s,      zTarFile._getmembercCs| ¡}|dkrqqd|_dSrÐ)rkr§rìr8r8r9rÈ… sz TarFile._loadcCs:|jrtd|jjƒ‚|dk r6|j|kr6td|jƒ‚dS)Nz %s is closedzbad operation for mode %r)r›r¥rærnrƒ)rrƒr8r8r9rÇ szTarFile._checkcCs`| ¡r.d tdtj |j¡|jfƒ¡}d}n |j}|}|j||dd}|dkr\t d|ƒ‚|S)NröT)rär=zlinkname %r not found) rrÃrìrzr%rr‚rrÄrÅ)rrärÚlimitrr8r8r9r˜ s  zTarFile._find_link_targetccsŠ|jr|jEdHdSd}|jdk r:| ¡}|d7}|V|t|jƒkrT|j|}n"|jsr| ¡}|svd|_dSndS|d7}|Vq:dS)Nrr#T)r§r¦r©rkr2)rr:rär8r8r9Ú__iter__« s$   zTarFile.__iter__cCs||jkrt|tjddS)N©r)r£rkriÚstderr)rÚlevelÚmsgr8r8r9rîÊ s z TarFile._dbgcCs | ¡|Sr…)rÇr‡r8r8r9Ú __enter__Ð szTarFile.__enter__cCs,|dkr| ¡n|js"|j ¡d|_dSrÐ)r†r•r™r›)rrr'Ú tracebackr8r8r9Ú__exit__Ô s   zTarFile.__exit__) NrwNNNNNNr"NNNN)rwN)rwNr©)rwNr©)rwNN)NNN)T)NT)N)rN)rŒT)TF)NF)N)=rnrorpr£r¡r¢r¤rrSr r6r7rrärßrrõr„r•rÃrr¬r¼r¿rÂr­r†rÆrÉrÊrèr}rñrïrrrr r rrrrrrr#r r!r"r rr rkrÄrÈrÇrr@rîrErGr8r8r8r9rBsšý oZ    ü    c&3 5ÿ -ÿ   ÿ 1! 6 ( cCs2zt|ƒ}| ¡WdStk r,YdSXdS)NTF)rr†r)r‚rÆr8r8r9râ s c Csddl}d}|j|d}|jdddddd |jd d td d |jdd}|jddddd|jdddddd|jdddddd|jdd dd!d| ¡}|jrº|jdkrº| d"d#¡|j dk r4|j }t |ƒrt |d$ƒ }|  ¡t |  ¡tjd%W5QRX|jr0t d& |¡ƒn| d"d' |¡¡nÐ|jdk rŽ|j}t |ƒrxt  |d(¡}|j|jd)W5QRXn| d"d' |¡¡nv|jdk rbt|jƒd"kr¼|jd}tj}n,t|jƒd*krØ|j\}}n| d"| ¡¡t |ƒrNt  |d(¡}|j||jd+W5QRX|jr`|d,kr8d- |¡} n d. ||¡} t | ƒn| d"d' |¡¡n¢|jdk r|j d¡} tj | ¡\} } d/d/d0d0d1d1d1d1d2œ} | | kr¶d3| | nd4}|j}t  | |¡}|D]}| |¡qÒW5QRX|jrt d5 | ¡ƒdS)6Nrz3A simple command-line interface for tarfile module.)Ú descriptionz-vz --verboseÚ store_trueFzVerbose output)ÚactionÚdefaultÚhelpz--filterz zFilter for extraction)ÚmetavarÚchoicesrLT)Zrequiredz-lz--listú zShow listing of a tarfile)rMrLz-ez --extractú+)rOz zExtract tarfile into target dir)ÚnargsrMrLz-cz--create)zzzCreate tarfile from sourcesz-tz--testzTest if a tarfile is validr#z&--filter is only valid for extraction rwrAz{!r} is a tar archive.z{!r} is not a tar archive. r«)rêr$)r%rìrz{!r} file is extracted.z+{!r} file is extracted into {!r} directory.rŽr‘r)r«z.tgzz.xzz.txzz.bz2z.tbzz.tbz2z.tb2zw:rxz{!r} file created.)ÚargparseÚArgumentParserÚ add_argumentrúZadd_mutually_exclusive_groupÚ parse_argsrìrÚexitZtestrrrÉrkrirBrêrSr}rr2rzÚcurdirZ format_helprZcreateÚpopr%Úsplitextrñ)rRrHÚparserrsÚargsr_r“ZtfrWrDZtar_nameÚ_ZextZ compressionsZtar_modeZ tar_filesÚ file_namer8r8r9Úmainð s¢  ÿþ  ÿ þ þ ÿ            ÿ   õ r^Ú__main__)T)lÚversionÚ __author__Ú __credits__ÚbuiltinsrrŸrirzrÔrZrÐr°rVrrqrürârräÚAttributeErrorÚNotImplementedErrorr3r¥Ú NameErrorÚ__all__rûr÷r3rÇrÃr0r+r-r,rArrUrŠr‰rCrDrrZCONTTYPEr3r2rVr;r=rdr rrrrgr‡rYr„rxr8rIr…r‚r Úgetfilesystemencodingr:r?rNrTrXr[rlÚ Exceptionrr rrr r rqrrrsrKrtrurŠÚobjectr–rËÚBufferedReaderrßrérêrírórôrõrrr r rúrrrrr^rnr8r8r8r9Ú s:      ýüÿÿ ú  sh  ?ý u) _