Current File : //usr/lib/python2.7/site-packages/fail2ban/server/actions.pyc
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Cyril Jaquiers Copyright (c) 2004 Cyril Jaquiert GPLi����N( t Mapping( t OrderedDicti ( t
BanManagert BanTicket( t IPAddr( t
JailThread( t
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CallingMap( t MyTime( t Observers( t Utilsi ( t getLoggert Actionsc B sY e Z d Z d � Z e d � � Z d d e d � Z e d � Z
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This class handles the actions of the jail. Creation, deletion or to
actions must be done through this class. This class is based on the
Mapping type, and the `add` method must be used to add new actions.
This class also starts and stops the actions, and fetches bans from
the jail executing these bans via the actions.
Parameters
----------
jail: Jail
The jail of which the actions belongs to.
Attributes
----------
daemon
ident
name
status
active : bool
Control the state of the thread.
idle : bool
Control the idle state of the thread.
sleeptime : int
The time the thread sleeps for in the loop.
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issubclassR R t __name__( t pythonModulet mod( ( s; /usr/lib/python2.7/site-packages/fail2ban/server/actions.pyt _load_python_module\ s c C s� | | j k rt | s( t d | � � n | j | } t | d � rt t | d � rm | j � | | j | <n d Sn | d k r� t | j | � } n' | j | � } | j | j | | � } | | j | <d S( s� Adds a new action.
Add a new action if not already present, defaulting to standard
`CommandAction`, or specified Python module.
Parameters
----------
name : str
The name of the action.
pythonModule : str, optional
Path to Python file which must contain `Action` class.
Default None, which means `CommandAction` is used.
initOpts : dict, optional
Options for Python Action, used as keyword arguments for
initialisation. Default None.
Raises
------
ValueError
If action name already exists.
RuntimeError
If external Python module does not have `Action` class
or does not implement necessary methods as per `ActionBase`
abstract class.
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� � j d | � n t � d � n d S( s@ Begin or end of reloading resp. refreshing of all parameters
R& c 3 s0 | ]& \ } } | � j k r | | f Vq d S( N( R& ( t .0R R) ( R ( s; /usr/lib/python2.7/site-packages/fail2ban/server/actions.pys <genexpr>� s t dbt actionst stopN(
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getBanListR2 t map( R t ids( ( RK s; /usr/lib/python2.7/site-packages/fail2ban/server/actions.pyt getBanned� s c C s | j j d t d | � S( sk Returns the list of banned IP addresses.
Returns
-------
list
The list of banned IP addresses.
t orderedt withTime( R RM R5 ( R RR ( ( s; /usr/lib/python2.7/site-packages/fail2ban/server/actions.pyRM � s c sS t j � � t | t � r4 � f d � | D� } n t | � � f } | j | � S( s Ban an IP or list of IPs.c 3 s | ] } t | � � Vq d S( N( R ( R, RJ ( t unixTime( s; /usr/lib/python2.7/site-packages/fail2ban/server/actions.pys <genexpr>� s ( R
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� � d S( sO Removes banned IP calling actions' unban method
Remove a banned IP now, rather than waiting for it to expire,
even if set to never expire.
Parameters
----------
ip : list, str, IPAddr or None
The IP address (or multiple IPs as list) to unban or all IPs if None
Raises
------
ValueError
If `ip` is not banned
i s not banned: %rs %s is not bannedi N( R' R3 RU RV t tuplet removeBannedIPR% t appendR t databaset delBanR t
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d | j j | � q5 Wd S( s> Stops the actions in reverse sequence (optionally filtered)
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k �q~ Xq~ W� j d t � � j � t S( s� Main loop for Threading.
This function is the main loop of the thread. It checks the jail
queue and executes commands when an IP address is banned.
Returns
-------
bool
True when the thread exits nicely.
i s) Failed to start jail '%s' action '%s': %sRo s Actions: enter idle modec s � j p � j S( N( t activet idle( ( R ( s; /usr/lib/python2.7/site-packages/fail2ban/server/actions.pyRL X s c S s t S( N( R4 ( ( ( s; /usr/lib/python2.7/site-packages/fail2ban/server/actions.pyRL Y s s Actions: leave idle modei s1 Actions: wait for pending tickets %s (default %s)c s � j p � j j S( N( Ry R t hasFailTickets( ( R ( s; /usr/lib/python2.7/site-packages/fail2ban/server/actions.pyRL ` s i s+ Actions: check-unban %s, bancnt %s, max: %ss* [%s] unhandled error in actions thread: %sR/ ( R R1 t startRr RF Rs R R Rt Re Ru Ry Rz Rv R t wait_fort sleeptimet minR t _nextUnbanTimeR
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t | j � S( N( t reprR� ( R ( ( s; /usr/lib/python2.7/site-packages/fail2ban/server/actions.pyRL � s t __tickett __jailt __mi4ipc C s4 | | _ | | _ t � | _ | | _ | | _ d S( N( R� t _ActionInfo__jailR0 t storaget immutablet data( R Rk R R� R� ( ( s; /usr/lib/python2.7/site-packages/fail2ban/server/actions.pyR � s
c C s( | j | j | j | j | j j � � S( N( t __class__R� R� R� R� t copy( R ( ( s; /usr/lib/python2.7/site-packages/fail2ban/server/actions.pyR� � s c C s: | j j � } | d k r0 | j j j � } n t | � S( N( R� RI R' R� R. t int( R t btime( ( s; /usr/lib/python2.7/site-packages/fail2ban/server/actions.pyR� � s c C s6 t | d � s i | _ n | j } | r0 d n d } | | k ra | | d k rZ | | S| j Syr | j } | d } d | | <| j s� | j S| r� | j j d | � | | <n | j j d | d | � | | <WnA t k
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k �n X| | d k r/| | S| j S( s� Gets bans merged once, a helper for lambda(s), prevents stop of executing action by any exception inside.
This function never returns None for ainfo lambdas - always a ticket (merged or single one)
and prevents any errors through merging (to guarantee ban actions will be executed).
[TODO] move merging to observer - here we could wait for merge and read already merged info from a database
Parameters
----------
overalljails : bool
switch to get a merged bans :
False - (default) bans merged for current jail only
True - bans merged for all jails of current ip address
Returns
-------
BanTicket
merged or self ticket only
R� t allR RJ s+ Failed to get %s bans merged, jail '%s': %sRo N( R t _ActionInfo__mi4ipR' R� R� R] t
getBansMergedRr RF Rs R Rt Re Ru ( R t overalljailst mit idxR RJ Rx ( ( s; /usr/lib/python2.7/site-packages/fail2ban/server/actions.pyR� � s*
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c C s7 | s t d t j � � } n t j | | j � } | S( NR� ( R R
RT R R� R ( R Rk t aInfo( ( s; /usr/lib/python2.7/site-packages/fail2ban/server/actions.pyt _getActionInfo� s id c c sE d } x8 | | k r@ | j j � } | s. Pn | V| d 7} q Wd S( sA Generator to get maximal count failure tickets from fail-manager.i i N( R t
getFailTicket( R t countRi Rk ( ( s; /usr/lib/python2.7/site-packages/fail2ban/server/actions.pyt __getFailTickets� s c s� d } | s! | j | j � } n d } xK| D]C} t j | � � | j | j j � � } � j � } | j � � } i } | j j � d | �r�| d 7} t
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j+ � q�Wt' j( � | _) q�n � j | j k rq| s?t, � f d � | j j � D� � } n | | j- � d | �7} qqq. | | j- � � 7} q. W| r�t j. d | | j j/ � | j j0 � | j j � n | S( s Check for IP address to ban.
If tickets are not specified look in the jail queue for FailTicket. If a ticket is available,
it executes the "ban" command and adds a ticket to the BanManager.
Returns
-------
bool
True if an IP address get banned.
i t reasoni t banFounds
[%s] %sBan %sR� s Restore t
norestoreds9 Failed to execute ban jail '%s' action '%s' info '%r': %sRo t expireds [%s] Ignore %s, expired bantimeRk i i< s [%s] %s already bannedc 3 s3 | ]) \ } } | j � j k r | | f Vq d S( N( R ( R, R R) ( t bTicket( s; /usr/lib/python2.7/site-packages/fail2ban/server/actions.pys <genexpr>$ s R. s" Banned %s / %s, %s ticket(s) in %rN(1 t _Actions__getFailTicketsR R' R t wrapRI R R� R� t addBanTicketR t MainR� R+ R RF t noticeR R R1 t getattrR4 R� t resett banRr Rs Rt Re Ru R5 t bannedR t getRG R� t NOTICEt WARNINGRd R
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s� Repeat bans for the ticket.
Executes the actions in order to reban the host given in the
ticket.
Parameters
----------
ticket : Ticket
Ticket to reban
s [%s] Reban %s%sRJ i s , action %ri R� s [%s] action %r: reban %ss; Failed to execute reban jail '%s' action '%s' info '%r': %sRo ( R R� R� RF R� R R R2 t keysR1 Rv R� R� t rebanRr Rs Rt Re Ru R5 R� R ( R Rk R. Rd RJ R� R R) Rx ( ( s; /usr/lib/python2.7/site-packages/fail2ban/server/actions.pyt __reBan0 s* I
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r� } t j d | j j | | | d t j � t j k �q, Xq, Wd S( NR� s9 Failed to execute ban jail '%s' action '%s' info '%r': %sRo ( R t
_inBanListR' R R1 R� R� R4 t _prolongableR� R� R� t prolongRr RF Rs R R Rt Re Ru ( R Rk R� R R) Rx ( ( s; /usr/lib/python2.7/site-packages/fail2ban/server/actions.pyt _prolongBanR s&
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� n | S( sK Check for IP address to unban.
Unban IP addresses which are outdated.
s Unbanned %s, %s ticket(s) in %r( R t unBanListR
RT R` R2 RF Rv R� R R ( R t maxCountRK Rk Ri ( ( s; /usr/lib/python2.7/site-packages/fail2ban/server/actions.pyt __checkUnBani s
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| �| d 7} q�Wt j d | � j j � � j j � | S( s� Flush the ban list.
Unban all IP address which are still in the banning list.
If actions specified, don't flush list - just execute unban for
given actions (reload, obsolete resp. removed actions).
s Flush ban listi t flushs [%s] Flush ticket(s) with %ss1 Failed to flush bans in jail '%s' action '%s': %sRo s' No flush occurred, do consistency checkR� c s1 � r- t � d d � r- � j j d � t St S( Nt actionrepair_on_unbans, Invariant check failed. Flush is impossible.( R� R' t _logSysRs R4 R5 ( ( R) R R/ ( s; /usr/lib/python2.7/site-packages/fail2ban/server/actions.pyt
_beforeRepair� s s Unban tickets each individualys Flush jail in databaseR. Rd i s! Unbanned %s, %s ticket(s) in %rN( R5 R' RF Rv R t flushBanListR4 R= R R1 R RU R t actionflushR� R R R� Rr Rs Rt Re Ru RG R� R] R^ R` R� ( R R- R. R/ Rd RK Ri t
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s� | j � n | j | � Wql t
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r} t j d | j j | | | d t j � t j k �ql Xql Wd S( s� Unbans host corresponding to the ticket.
Executes the actions in order to unban the host given in the
ticket.
Parameters
----------
ticket : FailTicket
Ticket of failures of which to unban
s
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