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helpers.cpython-310.pyc
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Z@d@dA ZAdBZBe8dCZC D dOdFdGZDerLdHdI ZEndJdI ZEG dKdL dLe!ZFdS )Pz<Cyril Jaquier, Arturo 'Buanzo' Busleiman, Yaroslav HalchenkoGPL N)Lock )MyTimez libcap.so.2ANSI_c c s | ] }t |d v V qdS ))N N)osgetenv.0v r 2/usr/lib/python3/dist-packages/fail2ban/helpers.py <genexpr>0 s r )LANGUAGELC_ALLLC_CTYPELANGzUTF-8 c C s t }|dkrA|t krCt }t|ds5z ddlm} |dd}W n ty4 t t t }Y nw t|drE| | d S d S d S d S )NASCIIsetdefaultencodingr ) load_dynamic_syssys) r getdefaultencodingupper PREFER_ENChasattrimpr ImportError importlibreloadr )encodingoder __ldmr r r __resetDefaultEncoding8 s r& strictc C L zt | tr | ||W S | W S ttfy% |dkr | |d Y S w Nr' replace) isinstancebytesdecodeUnicodeDecodeErrorUnicodeEncodeErrorxencerrorsr r r uni_decodeY r4 c C s t | ts t| S | tdS Nr* )r+ r, strr- r r1 r r r uni_stringb r9 c C r( r) )r+ r7 encoder. r/ r0 r r r r4 g r5 c C s t | ts t| S | tdS r6 )r+ r7 r; r r8 r r r r9 q r: c C s t | ts t| S | dv S )N)1ontrueyes)r+ r7 boollower)valr r r _as_booly s rC c C s" t dd \} }| jt|fS )z+ Consistently format exception information N )r exc_info__name__r9 )claexcr r r formatExceptionInfo~ s rI c C sR t j| }|dr|dd }|tddgv r't jt j| d | }|S )zaCustom function to include directory name if filename is too common Also strip .py at the end z.pyNbase__init__.)r pathbasenameendswithsetdirname)srK r r r mbasename s rT c @ s" e Zd ZdZdddZdd ZdS ) TraceBackz7Customized traceback to be included in debug messages Fc C s d| _ || _dS )zInitialize TrackBack metric Parameters ---------- compress : bool if True then prefix common with previous invocation gets replaced with ... r N)_TraceBack__prev_TraceBack__compress)selfcompressr r r rL s zTraceBack.__init__c C s t jddd d }dd |D }dd |D }|d g}|dd D ] }|d |d d kr>|d d d |d 7 < q#|| q#d d d |D }| jrt|}tj| j|f}t d d|}|dkrqd|t |d }|| _|S )Nd )limitc S s2 g | ]}t |d tj|d t|d gqS )r r )rT r rN rR r7 r r1 r r r <listcomp> s &z&TraceBack.__call__.<locals>.<listcomp>c S s6 g | ]}|d dv s|d ds|d |d gqS )r )unittestzlogging.__init__r z /unittestrD )rP )r er r r r^ s r r z,%s>c S s$ g | ]}d t |d |d f qS )z%s:%sr r )rT r] r r r r^ s z>[^>]*$r z...) traceback extract_stackappendjoinrW r rN commonprefixrV resublen) rX ftbentries entries_outentrysftb prev_next common_prefixcommon_prefix2r r r __call__ s* zTraceBack.__call__N)F)rF __module__ __qualname____doc__rL rs r r r r rU s rU c @ s e Zd ZdZdd Zdd ZdS )FormatterWithTraceBackz}Custom formatter which expands %(tb) and %(tbc) with tracebacks TODO: might need locking in case of compressed tracebacks c O s6 t jj| g|R d|i| d|v }t|d| _d S )Nfmtz%(tbc)s)rY )logging FormatterrL rU _tb)rX rx argskwargsrY r r r rL s z FormatterWithTraceBack.__init__c C s | |_|_tj| |S N)r{ tbctbry rz format)rX recordr r r r s z FormatterWithTraceBack.formatN)rF rt ru rv rL r r r r r rw s rw Fc C sh | rt | jr| | jd |rdd |_dd tj_tjr2ztj W n Y t d d S d S )Nr c S d S r~ r r r r r <lambda> z!__stopOnIOError.<locals>.<lambda>c S r r~ r rX r r r r r ) rj handlers removeHandlerclosery StreamHandlerflush exitOnIOErrorr stderrexit)logSyslogHndlrr r r __stopOnIOError s r c K s zt | |||fi | W dS ttfy& } z |jdkr!t| d}~w tyk } z:z'd|t|ffddd |D fffD ]}z t | |g|R W q@ Y q@W n Y W Y d}~dS W Y d}~dS d}~ww )a Safe log inject to avoid possible errors by unsafe log-handlers, concat, str. conversion, representation fails, etc. Used to intrude exception-safe _log-method instead of _log-method of Logger class to be always safe by logging and to get more-info about. See testSafeLogging test-case for more information. At least the errors covered in phase 3 seems to affected in all known pypy/python versions until now. Nzlogging failed: %r on %sz args: %rc S s g | ]}t |qS r )r9 )r ar r r r^ z __safeLog.<locals>.<listcomp>) __origLogBrokenPipeErrorIOErrorerrnor Exceptionr9 )rX levelmsgr| r} r` r r r __safeLog s, r c C sB zt | W dS ttfy } z |jdkrtd| d}~ww )zQSafe flush inject stopping endless logging on closed streams (redirected pipe). r N)__origLogFlushr r r r )rX r` r r r __safeLogFlush s r c C s$ d| v r d| dd } t| S )zBGet logging.Logger instance with Fail2Ban logger name convention rM z fail2ban.%sra ) rpartitionry getLoggernamer r r r s r c C sP zt | ts | rt| }W |S tt| }W |S ty' td| w )NzInvalid log level %r)r+ intisdigitgetattrry r AttributeError ValueError)valuellr r r str2LogLevel s r %(message)sTc C sn | dkr | dkr d| }| dkrd| }nd| }|r d| }n d| }|r*d | }|s5t d d d |}|S ) z(Custom log format for the verbose runs r r z6 | %(module)15.15s-%(levelno)-2d: %(funcName)-20.20s |rD zB +%(relativeCreated)5d %(thread)X %(name)-25.25s %(levelname)-5.5sz %(thread)X %(levelname)-5.5sz %(asctime)-15sz)%(name)-24s[%(process)d]: %(levelname)-7sz %(asctime)s z(?<=\))-?\d+(?:\.\d+)?sc S s dS )NrS r )mr r r r 8 r z$getVerbosityFormat.<locals>.<lambda>)rh ri ) verbosityrx addtimepaddingr r r getVerbosityFormat& s r c C s t djddd t| ||S )z>Except hook used to log unhandled exceptions to Fail2Ban log fail2banz Unhandled exception in Fail2Ban:T)rE )r criticalr __excepthook__)exctyper rc r r r excepthook< s r c C s( | sg S t ttdd td| D S )zHelper to split words on any comma, space, or a new line Returns empty list if input is empty (or None) and filters out empty entries c S s g | ]}| qS r )stripr r r r r^ K r z splitwords.<locals>.<listcomp>z[ , ]+)listfilterr@ rh split)rS r r r splitwordsC s r )r zif 1: def _merge_dicts(x, y): """Helper to merge dicts. """ if y: return {**x, **y} return x def _merge_copy_dicts(x, y): """Helper to merge dicts to guarantee a copy result (r is never x). """ return {**x, **y} execc C s | }|r | }|| |S )zHelper to merge dicts. copyupdater1 yrr r r _merge_dicts\ s r c C s | }|r || |S )zCHelper to merge dicts to guarantee a copy result (r is never x). r r r r r _merge_copy_dictsd s r z^([^\[]+)(?:\[(.*)\])?\s*$z@([\w\-_\.]+)=(?:"([^"]*)"|\'([^\']*)\'|([^,\]]*))(?:,|\]\s*\[|$)zs(?:[^\[\s]+(?:\s*\[\s*(?:[\w\-_\.]+=(?:"[^"]*"|\'[^\']*\'|[^,\]]*)\s*(?:,|\]\s*\[)?\s*)*\])?\s*|\S+)(?=\n\s*|\s+|$)c C sv t | }|s dS | \}}t }|r7t|D ] }|d}dd |dddD d }| || < q||fS ) NNNr c S s g | ]}|d ur|qS r~ r )r rB r r r r^ s z"extractOptions.<locals>.<listcomp>rD r r ) OPTION_CREmatchgroupsdictOPTION_EXTRACT_CREfinditergroupr )optionr option_nameoptstr option_optsoptmatchoptr r r r extractOptions| s r c C s t | S r~ )OPTION_SPLIT_CREfindall)r r r r splitWithOptions s r z <([^ <>]+)>r r c C s t j}| }t|}t }t|d}i } d} | D ]} | |v s$| |v r%q|r/t|| r/qt|| } } || } || i }| r| d}||v rT|| | } qA|| ks`||dt krjt d| ||| f d}|rw||d | }|du r||}|du r|dur||}|du r|| | } qAt |tst|}| d| |} ||d d ||< || | } | sC| | kr|| r||| < d} t|t| kr| }| || < d | vr|| q| s |S q) a| Sort out tag definitions within other tags. Since v.0.9.2 supports embedded interpolation (see test cases for examples). so: becomes: a = 3 a = 3 b = <a>_3 b = 3_3 Parameters ---------- inptags : dict Dictionary of tags(keys) and their values. Returns ------- dict Dictionary of tags(keys) and their values, with tags within the values recursively replaced. getRawItemTFr zpproperties contain self referencing definitions and cannot be resolved, fail tag: %s, found: %s in %s, value: %sN?z<%s>r <)TAG_CREsearchrQ r keyscallabler r9 getr endMAX_TAG_REPLACE_COUNTr r+ r7 r* startidr add)inptags conditionalignoreaddrepl tre_searchtagsdone noRecRepl repCountsrepFlagtagr orgvalr rplcrtagreplr r r substituteRecursiveTags sj 'r c C s< zt jdkr | } nt| } td| W dS Y dS )zHelper to set real thread name (used for identification and diagnostic purposes). Side effect: name can be silently truncated to 15 bytes (16 bytes with NTS zero) r N)r version_infor; r, _libcapprctlr r r r prctl_set_th_name s r c C r r~ r r r r r r s c s< e Zd ZdZe ZdZ fddZdd Zd dd Z Z S ) BgServicez{Background servicing Prevents memory leak on some platforms/python versions, using forced GC in periodical intervals. Nc s | j s tt| | | _ | j S r~ ) _instancesuperr __new__)cls __class__r r r s zBgService.__new__c C s6 d| _ d| _d| _| j| _ttdrtd d S d S )Ni rZ set_thresholdr )_BgService__serviceTime_BgService__periodTime_BgService__threshold_BgService__countr gcr r r r r rL s zBgService.__init__Fc C s | j d8 _ |s| j dkst | jk rdS tj|s dS z't | jk r/W tj dS t t | j | _| j | _ W tj dS tj w )Nr r FT) r r timer r _mutexacquirereleaser collectr r )rX forcewaitr r r service) s zBgService.service)FF) rF rt ru rv r r r r rL r __classcell__r r r r r s r r )r TT)r r N)G __author__ __license__r localery r rh r rc threadingr server.mytimer r! ctypesCDLLr getpreferredencodingr startswithstdoutr# allr r& r4 r9 r r r7 rC rI rT objectrU rz rw r r r NameErrorr Logger_logr r r r r r r r r r r evalcompile__file__r r DOTALLr r r r r r r r r r r r r r <module> s . c