‡Æ
ýMö9c       s    d  Z    d k Z  d k Z  d k Z  d k Z  d f  d „  ƒ  YZ ! d e f d „  ƒ  YZ / d Z 4 d e f d „  ƒ  YZ > d	 e i	 f d
 „  ƒ  YZ
 o e i Z p e i Z s d e i f d „  ƒ  YZ pd „  Z ¨e d j o ©e i e ƒ  ƒ n d S(   s9  Restricted execution facilities.

The class RExec exports methods r_exec(), r_eval(), r_execfile(), and
r_import(), which correspond roughly to the built-in operations
exec, eval(), execfile() and import, but executing the code in an
environment that only exposes those built-in operations that are
deemed safe.  To this end, a modest collection of 'fake' modules is
created which mimics the standard modules by the same names.  It is a
policy decision which built-in modules and operations are made
available; this module provides a reasonable default, but derived
classes can change the policies e.g. by overriding or extending class
variables like ok_builtin_modules or methods like make_sys().

XXX To do:
- r_open should allow writing tmp dir
- r_exec etc. with explicit globals/locals? (Use rexec("exec ... in ...")?)

Ns   FileBasec    
  s,     d d d d d d d d d	 d
 f
 Z  RS(   Ns   filenos   flushs   isattys   reads   readlines	   readliness   seeks   tells   writes
   writelines(   s   ok_file_methods(    s"   /mit/python/lib/python2.0/rexec.pys   FileBase s   s   FileWrapperc      s   ! % d „  Z  + d „  Z RS(   Nc    ss   % & | |  _  ' xZ |  i d ' rJ } ( t |  | ƒ o t | | ƒ o  ) t |  | t | | ƒ ƒ n q Wd  S(   Ni    (   s   fs   selfs   ok_file_methodss   ms   hasattrs   setattrs   getattr(   s   selfs   fs   ms"   /mit/python/lib/python2.0/rexec.pys   __init__% s
    	$c    s   + , |  i ƒ  d  S(   N(   s   selfs   flush(   s   selfs"   /mit/python/lib/python2.0/rexec.pys   close+ s   (   s   __init__s   close(    s"   /mit/python/lib/python2.0/rexec.pys   FileWrapper! s   sR   
def %s(self, *args):
        return apply(getattr(self.mod, self.name).%s, args)
s   FileDelegatec      sI   4 6 d „  Z  : x2 e i d f d : r Z ; e e e f d  Uq% WRS(   Nc    s   6 7 | |  _  8 | |  _ d  S(   N(   s   mods   selfs   name(   s   selfs   mods   names"   /mit/python/lib/python2.0/rexec.pys   __init__6 s   s   closei    (   s   __init__s   FileBases   ok_file_methodss   ms   TEMPLATE(    s"   /mit/python/lib/python2.0/rexec.pys   FileDelegate4 s    	s   RHooksc      s•   > @ d „  Z  Q d „  Z U d „  Z X d „  Z \ d „  Z ] d „  Z ^ d „  Z _ d „  Z a d	 „  Z d d
 „  Z	 g d „  Z
 j d „  Z RS(   Nc    sÙ   @ D d } E t } F | o t | d ƒ t d ƒ j o  G | d } H | d  } n I | o t | d d ƒ o J | d } K | d } n L | o M t d ‚ n N t i i	 |  | ƒ O | |  _ d  S(   Ni    i   s	   __class__s   too many arguments(   s   verboses   Nones   rexecs   argss   types   hasattrs	   TypeErrors   ihookss   Hookss   __init__s   self(   s   selfs   argss   verboses   rexecs"   /mit/python/lib/python2.0/rexec.pys   __init__@ s   		(
c    s   Q S | |  _  d  S(   N(   s   rexecs   self(   s   selfs   rexecs"   /mit/python/lib/python2.0/rexec.pys	   set_rexecQ s   c    s   U V |  i i | ƒ Sd  S(   N(   s   selfs   rexecs
   is_builtins   name(   s   selfs   names"   /mit/python/lib/python2.0/rexec.pys
   is_builtinU s   c    s,   X Y t  | ƒ } Z |  i i | f  ƒ Sd  S(   N(   s
   __import__s   names   ms   selfs   rexecs   copy_except(   s   selfs   names   ms"   /mit/python/lib/python2.0/rexec.pys   init_builtinX s   c    s   \ \ t  d ‚ d  S(   Ns   don't use this(   s   SystemError(   s   selfs   names"   /mit/python/lib/python2.0/rexec.pys   init_frozen\ s    c    s   ] ] t  d ‚ d  S(   Ns   don't use this(   s   SystemError(   s   selfs   argss"   /mit/python/lib/python2.0/rexec.pys   load_source] s    c    s   ^ ^ t  d ‚ d  S(   Ns   don't use this(   s   SystemError(   s   selfs   argss"   /mit/python/lib/python2.0/rexec.pys   load_compiled^ s    c    s   _ _ t  d ‚ d  S(   Ns   don't use this(   s   SystemError(   s   selfs   argss"   /mit/python/lib/python2.0/rexec.pys   load_package_ s    c    s    a b |  i i | | | ƒ Sd  S(   N(   s   selfs   rexecs   load_dynamics   names   filenames   file(   s   selfs   names   filenames   files"   /mit/python/lib/python2.0/rexec.pys   load_dynamica s   c    s   d e |  i i | ƒ Sd  S(   N(   s   selfs   rexecs
   add_modules   name(   s   selfs   names"   /mit/python/lib/python2.0/rexec.pys
   add_moduled s   c    s   g h |  i i Sd  S(   N(   s   selfs   rexecs   modules(   s   selfs"   /mit/python/lib/python2.0/rexec.pys   modules_dictg s   c    s   j k |  i i d i Sd  S(   Ns   sys(   s   selfs   rexecs   moduless   path(   s   selfs"   /mit/python/lib/python2.0/rexec.pys   default_pathj s   (   s   __init__s	   set_rexecs
   is_builtins   init_builtins   init_frozens   load_sources   load_compileds   load_packages   load_dynamics
   add_modules   modules_dicts   default_path(    s"   /mit/python/lib/python2.0/rexec.pys   RHooks> s   s   RExecc      sy  s d  Z  u w e e i ƒ Z y d d d d d d d d d	 d
 d d d d d d d d f Z  d d d d d d d d d d d d d d  d! f Z ƒ d" d# d$ d% d& d' d( f Z † d) d* d+ f Z ˆ e	 d- d, „ Z
   d. „  Z ¥ d/ „  Z ° d0 „  Z ¶ d1 „  Z » d2 „  Z Á d3 „  Z Ä d4 „  Z Ì d5 „  Z Ó d6 „  Z à d7 „  Z ë d8 „  Z õ d9 „  Z ü d: „  Z d; „  Z 	d< „  Z d= „  Z h  h  g  d> „ Z d? „  Z d@ „  Z dA „  Z %dB „  Z 2dC „  Z  :dD „  Z! ?dE „  Z" Df  e	 dF „ Z# OdG „  Z$ RdH „  Z% UdI „  Z& XdJ „  Z' [dK „  Z( ^dL „  Z) cdN dO dM „ Z* jdP „  Z+ RS(Q   s!   Restricted Execution environment.s   audioops   arrays   binasciis   cmaths   errnos   imageops   marshals   maths   md5s   operators   parsers   regexs   pcres   rotors   selects   strops   structs   times   errors   fstats   listdirs   lstats   readlinks   stats   timess   unames   getpids   getppids   getcwds   getuids   getgids   geteuids   getegids   ps1s   ps2s	   copyrights   versions   platforms   exits   maxints   opens   reloads
   __import__c    s3  ˆ ‰ t  i i |  | ƒ ‹ | p
 t | ƒ |  _ Œ |  i i |  ƒ  h  |  _ Ž |  i	 |  _
  g  }  x= |  i	 d  r- } ‘ | t i j o ’ | i | ƒ n qx W“ t | ƒ |  _	 ” |  i ƒ  • |  i ƒ  – |  i ƒ  ™ |  i ƒ  š t |  i | ƒ |  _ › t |  i | ƒ |  _ ž |  i ƒ  d  S(   Ni    (   s   ihookss   _Verboses   __init__s   selfs   verboses   hookss   RHookss	   set_rexecs   moduless   ok_builtin_moduless   ok_dynamic_moduless   lists   mnames   syss   builtin_module_namess   appends   tuples   set_trusted_paths   make_builtins   make_initial_moduless   make_syss   RModuleLoaders   loaders   RModuleImporters   importers   make_re(   s   selfs   hookss   verboses   lists   mnames"   /mit/python/lib/python2.0/rexec.pys   __init__ˆ s$   	 	i    c    s%     £ t  t i i t i ƒ |  _ d  S(   N(   s   filters   oss   paths   isabss   syss   selfs   trusted_path(   s   selfs"   /mit/python/lib/python2.0/rexec.pys   set_trusted_path  s   c    s˜   ¥ ¦ | |  i j o § t d | ‚ n ¨ t i i | ƒ o © t i | } n% « d  k } ¬ | i	 | | | ƒ } ­ |  i | g  ƒ } ® | Sd  S(   Ns   untrusted dynamic module: %s(   s   names   selfs   ok_dynamic_moduless   ImportErrors   syss   moduless   has_keys   srcs   imps   load_dynamics   filenames   files   copy_excepts   dst(   s   selfs   names   filenames   files   srcs   imps   dsts"   /mit/python/lib/python2.0/rexec.pys   load_dynamic¥ s   c    s!   ° ± |  i ƒ  ² |  i ƒ  d  S(   N(   s   selfs	   make_mains   make_osname(   s   selfs"   /mit/python/lib/python2.0/rexec.pys   make_initial_modules° s   c    s   ¶ · | |  i j Sd  S(   N(   s   mnames   selfs   ok_builtin_modules(   s   selfs   mnames"   /mit/python/lib/python2.0/rexec.pys
   is_builtin¶ s   c    sL   » ¼ |  i t |  i ƒ } ½ |  i | _ ¾ |  i | _ ¿ |  i	 | _
 d  S(   N(   s   selfs   copy_excepts   __builtin__s   nok_builtin_namess   ms   r_imports
   __import__s   r_reloads   reloads   r_opens   open(   s   selfs   ms"   /mit/python/lib/python2.0/rexec.pys   make_builtin» s   c    s   Á Â |  i d ƒ } d  S(   Ns   __main__(   s   selfs
   add_modules   m(   s   selfs   ms"   /mit/python/lib/python2.0/rexec.pys	   make_mainÁ s   c    s   Ä Å t  i } Æ t | ƒ } Ç |  i | |  i ƒ } È h  | _	 } É x/ t  i	 i ƒ  d É r \ } } Ê | | | <q[ Wd  S(   Ni    (   s   oss   names   osnames
   __import__s   srcs   selfs	   copy_onlys   ok_posix_namess   dsts   environs   es   itemss   keys   value(   s   selfs   osnames   srcs   dsts   es   keys   values"   /mit/python/lib/python2.0/rexec.pys   make_osnameÄ s    c    sz   Ì Í |  i d ƒ } Î |  i d ƒ } Ï xI t | ƒ d Ï r6 } Ð | d j o  Ñ t | | t | | ƒ ƒ n q9 Wd  S(   Ns   res   prei    s   __name__(	   s   selfs
   add_modules   dsts   r_imports   srcs   dirs   names   setattrs   getattr(   s   selfs   dsts   srcs   names"   /mit/python/lib/python2.0/rexec.pys   make_reÌ s    	c    s²   Ó Ô |  i t |  i ƒ } Õ |  i | _ Ö d g | _ × t t |  i	 ƒ | _
 Ø |  i | _ Ù |  i d } Ú |  i i ƒ  t |  i ƒ } Û | i ƒ  Ü t | ƒ | _ d  S(   Ns
   RESTRICTEDs   sys(   s   selfs	   copy_onlys   syss   ok_sys_namess   ms   moduless   argvs   maps   Nones   ok_paths   paths
   r_exc_infos   exc_infos   keyss   lists   ok_builtin_moduless   ls   sorts   tuples   builtin_module_names(   s   selfs   ms   ls"   /mit/python/lib/python2.0/rexec.pys   make_sysÓ s   c    s§   à á |  i | ƒ } â x5 t | ƒ d â r" } ã t | | t | | ƒ ƒ q' Wä xF | d ä r9 } å y æ t	 | | ƒ Wn ç t
 j
 o
 è n Xq\ Wé | Sd  S(   Ni    (   s   selfs	   copy_nones   srcs   dsts   dirs   names   setattrs   getattrs
   exceptionss   delattrs   AttributeError(   s   selfs   srcs
   exceptionss   dsts   names"   /mit/python/lib/python2.0/rexec.pys   copy_exceptà s    	  	c    s„   ë ì |  i | ƒ } í x^ | d í rQ } î y ï t | | ƒ } Wn ð t j
 o ñ q! n Xò t	 | | | ƒ q! Wó | Sd  S(   Ni    (
   s   selfs	   copy_nones   srcs   dsts   namess   names   getattrs   values   AttributeErrors   setattr(   s   selfs   srcs   namess   dsts   names   values"   /mit/python/lib/python2.0/rexec.pys	   copy_onlyë s    	c    s2   õ ö |  i | i ƒ } ÷ | i | _ ø | Sd  S(   N(   s   selfs
   add_modules   srcs   __name__s   ms   __doc__(   s   selfs   srcs   ms"   /mit/python/lib/python2.0/rexec.pys	   copy_noneõ s   c    si   ü ý |  i i | ƒ o þ |  i | Sn ÿ |  i i | ƒ |  i | <}  |  i d | _ | Sd  S(   Ns   __builtin__(   s   selfs   moduless   has_keys   mnames   hookss
   new_modules   ms   __builtins__(   s   selfs   mnames   ms"   /mit/python/lib/python2.0/rexec.pys
   add_moduleü s
    c    s'   |  i d ƒ } | | i Ud  S(   Ns   __main__(   s   selfs
   add_modules   ms   codes   __dict__(   s   selfs   codes   ms"   /mit/python/lib/python2.0/rexec.pys   r_execs   c    s,   	
|  i d ƒ } t | | i ƒ Sd  S(   Ns   __main__(   s   selfs
   add_modules   ms   evals   codes   __dict__(   s   selfs   codes   ms"   /mit/python/lib/python2.0/rexec.pys   r_eval	s   c    s,   |  i d ƒ } t | | i ƒ Sd  S(   Ns   __main__(   s   selfs
   add_modules   ms   execfiles   files   __dict__(   s   selfs   files   ms"   /mit/python/lib/python2.0/rexec.pys
   r_execfiles   c    s#   |  i i | | | | ƒ Sd  S(   N(   s   selfs   importers   import_modules   mnames   globalss   localss   fromlist(   s   selfs   mnames   globalss   localss   fromlists"   /mit/python/lib/python2.0/rexec.pys   r_imports   c    s   |  i i | ƒ Sd  S(   N(   s   selfs   importers   reloads   m(   s   selfs   ms"   /mit/python/lib/python2.0/rexec.pys   r_reloads   c    s   |  i i | ƒ Sd  S(   N(   s   selfs   importers   unloads   m(   s   selfs   ms"   /mit/python/lib/python2.0/rexec.pys   r_unloads   c    s•   |  i d } t | d ƒ |  _ t | d ƒ |  _  t | d ƒ |  _ !t t i	 ƒ |  _
 "t t i ƒ |  _ #t t i ƒ |  _ d  S(   Ns   syss   stdins   stdouts   stderr(   s   selfs   moduless   ss   FileDelegates   delegate_stdins   delegate_stdouts   delegate_stderrs   FileWrappers   syss   stdins   restricted_stdins   stdouts   restricted_stdouts   stderrs   restricted_stderr(   s   selfs   ss"   /mit/python/lib/python2.0/rexec.pys   make_delegate_filess   c    s»   %&t  |  d ƒ o '|  i ƒ  n (t  |  d ƒ o )|  i ƒ  n *|  i d } +|  i | _ ,|  i | _	 -|  i
 | _ .|  i t _ /|  i t _	 0|  i t _ d  S(   Ns
   save_stdins   delegate_stdins   sys(   s   hasattrs   selfs
   save_filess   make_delegate_filess   moduless   ss   restricted_stdins   stdins   restricted_stdouts   stdouts   restricted_stderrs   stderrs   delegate_stdins   syss   delegate_stdouts   delegate_stderr(   s   selfs   ss"   /mit/python/lib/python2.0/rexec.pys	   set_files%s   c    sQ   23|  i ƒ  4|  i d } 5| i |  _ 6| i |  _ 7| i |  _	 d  S(   Ns   sys(
   s   selfs   restore_filess   moduless   ss   stdins   restricted_stdins   stdouts   restricted_stdouts   stderrs   restricted_stderr(   s   selfs   ss"   /mit/python/lib/python2.0/rexec.pys   reset_files2s
   c    s4   :;t  i |  _ <t  i |  _ =t  i |  _ d  S(   N(   s   syss   stdins   selfs
   save_stdins   stdouts   save_stdouts   stderrs   save_stderr(   s   selfs"   /mit/python/lib/python2.0/rexec.pys
   save_files:s   c    s4   ?@|  i t _ A|  i t _ B|  i t _ d  S(   N(   s   selfs
   save_stdins   syss   stdins   save_stdouts   stdouts   save_stderrs   stderr(   s   selfs"   /mit/python/lib/python2.0/rexec.pys   restore_files?s   c    sq   DE|  i ƒ  FzF G|  i ƒ  H| o It | | | ƒ } n Kt | | ƒ } Wd  LM|  i ƒ  Xd  S(   N(	   s   selfs
   save_filess	   set_filess   kws   applys   funcs   argss   rs   restore_files(   s   selfs   funcs   argss   kws   rs"   /mit/python/lib/python2.0/rexec.pys   s_applyDs   
c    s   OP|  i |  i | ƒ d  S(   N(   s   selfs   s_applys   r_execs   args(   s   selfs   argss"   /mit/python/lib/python2.0/rexec.pys   s_execOs   c    s   RS|  i |  i | ƒ d  S(   N(   s   selfs   s_applys   r_evals   args(   s   selfs   argss"   /mit/python/lib/python2.0/rexec.pys   s_evalRs   c    s   UV|  i |  i | ƒ d  S(   N(   s   selfs   s_applys
   r_execfiles   args(   s   selfs   argss"   /mit/python/lib/python2.0/rexec.pys
   s_execfileUs   c    s   XY|  i |  i | ƒ d  S(   N(   s   selfs   s_applys   r_imports   args(   s   selfs   argss"   /mit/python/lib/python2.0/rexec.pys   s_importXs   c    s   [\|  i |  i | ƒ d  S(   N(   s   selfs   s_applys   r_reloads   args(   s   selfs   argss"   /mit/python/lib/python2.0/rexec.pys   s_reload[s   c    s   ^_|  i |  i | ƒ d  S(   N(   s   selfs   s_applys   r_unloads   args(   s   selfs   argss"   /mit/python/lib/python2.0/rexec.pys   s_unload^s   c    s@   cd| d d f j o et d ‚ n ft | | | ƒ Sd  S(   Ns   rs   rbs/   can't open files for writing in restricted mode(   s   modes   IOErrors   opens   files   buf(   s   selfs   files   modes   bufs"   /mit/python/lib/python2.0/rexec.pys   r_opencs   s   ri   c    s8   jkt  i ƒ  \ } } } lt } m| | | f Sd  S(   N(   s   syss   exc_infos   tys   vas   trs   None(   s   selfs   tys   vas   trs"   /mit/python/lib/python2.0/rexec.pys
   r_exc_infojs   	(,   s   __doc__s   tuples   syss   paths   ok_paths   ok_builtin_moduless   ok_posix_namess   ok_sys_namess   nok_builtin_namess   Nones   __init__s   set_trusted_paths   load_dynamics   make_initial_moduless
   is_builtins   make_builtins	   make_mains   make_osnames   make_res   make_syss   copy_excepts	   copy_onlys	   copy_nones
   add_modules   r_execs   r_evals
   r_execfiles   r_imports   r_reloads   r_unloads   make_delegate_filess	   set_filess   reset_filess
   save_filess   restore_filess   s_applys   s_execs   s_evals
   s_execfiles   s_imports   s_reloads   s_unloads   r_opens
   r_exc_info(    s"   /mit/python/lib/python2.0/rexec.pys   RExecs sP   	?6
		c     sz  pqd  k  }  d  k } d  k } r| i |  i d d ƒ \ } } sd } tg  } ux^ | d urQ \ } } v| d j o w| d } n x| d j o y| i
 | ƒ n qa Wzt d | ƒ }	 {| o ||	 i t | ƒ |	 _ n }| oD ~| |	 i d _ |	 i d i i d t i i | d ƒ ƒ n |	 i d i i d d ƒ ‚|  i }
 ƒ| o | d d	 j o^ „y …t | d ƒ }
 Wn= †t j
 o. } ‡d
 |  i d | d f GHˆd Sn Xn ‰|
 i ƒ  oú Šd G|  i GH‹|  i GHŒxÖ Œd oË yŒ Žy t d ƒ } Wn t j
 o ‘H’Pn X“| o | d d j o6 ”| d } •t | d d ƒ } –|	 i! | ƒ n Wn5 —t" j
 o } ˜| Sn ™š| i$ ƒ  n XqWn‹ œ|
 i% ƒ  } |
 i' ƒ  žt | |
 i( d ƒ } Ÿy  |	 i! | ƒ Wn< ¡t" j
 o } ¢| Sn £¤| i$ ƒ  ¥d Sn Xd  S(   Ni   s   vt:i    s   -vs   -ts   verboses   syss    s   -s   %s: can't open file %ss   *** RESTRICTED *** Pythons   >>> s   #s   
s   <stdin>s   singles   exec()   s   syss   getopts	   tracebacks   argvs   optss   argss   verboses   trusteds   os   as   appends   RExecs   rs   ok_builtin_moduless   tuples   moduless   paths   inserts   oss   dirnames   stdins   fps   opens   IOErrors   msgs   isattys   versions	   copyrights	   raw_inputs   ss   EOFErrors   compiles   cs   s_execs
   SystemExits   ns	   print_excs   reads   texts   closes   name(   s   syss   getopts	   tracebacks   optss   argss   verboses   trusteds   os   as   rs   fps   msgs   ss   cs   ns   texts"   /mit/python/lib/python2.0/rexec.pys   testpsj   "		 

1 
	s   __main__(   s   __doc__s   syss   __builtin__s   oss   ihookss   FileBases   FileWrappers   TEMPLATEs   FileDelegates   Hookss   RHookss   FancyModuleLoaders   RModuleLoaders   ModuleImporters   RModuleImporters   _Verboses   RExecs   tests   __name__s   exit(    s"   /mit/python/lib/python2.0/rexec.pys   ? s   	
1ý8