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module.pyo
� ��^c @ s� d Z d d l Z d d l Z y d d l m Z Wn! e k rU d d l m Z n Xd d l Z d d l Z d d l Z d d l Z d d l m Z d � Z d d d � � YZ d � Z d d d � � YZ d S( sU Utilities for dealing with the compilation of modules and creation of module tress. i����N( t getstatusoutputi ( t defaultsc C s@ t j d | � } t | � d k r8 | d j � r8 t St Sd S( s' Check that a module name is valid. s [^a-zA-Z0-9_\-\.]i N( t ret findallt lent isalphat Truet False( t modnamet m( ( s5 /usr/lib64/python2.7/site-packages/sepolgen/module.pyt is_valid_name( s "t ModuleTreec B sS e Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d d � Z RS( c C s | | _ d | _ d S( N( R t Nonet dirname( t selfR ( ( s5 /usr/lib64/python2.7/site-packages/sepolgen/module.pyt __init__2 s c C s | j S( N( R ( R ( ( s5 /usr/lib64/python2.7/site-packages/sepolgen/module.pyt dir_name6 s c C s | j d | j d S( Nt /s .te( R R ( R ( ( s5 /usr/lib64/python2.7/site-packages/sepolgen/module.pyt te_name9 s c C s | j d | j d S( NR s .fc( R R ( R ( ( s5 /usr/lib64/python2.7/site-packages/sepolgen/module.pyt fc_name< s c C s | j d | j d S( NR s .if( R R ( R ( ( s5 /usr/lib64/python2.7/site-packages/sepolgen/module.pyt if_name? s c C s | j d | j d S( NR s .pp( R R ( R ( ( s5 /usr/lib64/python2.7/site-packages/sepolgen/module.pyt package_nameB s c C s | j d S( Ns /Makefile( R ( R ( ( s5 /usr/lib64/python2.7/site-packages/sepolgen/module.pyt makefile_nameE s c C s� | d | j | _ t j | j � t | j � d � } | rS | j d | � n | j d t j � � | j � t | j � d � j � t | j � d � j � t | j � d � j � d S( NR t ws include ( R R t ost mkdirt openR t writeR t refpolicy_makefilet closeR R R ( R t parent_dirnamet makefile_includet fd( ( s5 /usr/lib64/python2.7/site-packages/sepolgen/module.pyt createH s N( t __name__t __module__R R R R R R R R R! ( ( ( s5 /usr/lib64/python2.7/site-packages/sepolgen/module.pyR 1 s c C s$ t j j t j j | � d � d S( Ni i ( R t patht splitextt split( t sourcename( ( s5 /usr/lib64/python2.7/site-packages/sepolgen/module.pyt modname_from_sourcenameX s t ModuleCompilerc B s\ e Z d Z d d � Z d � Z d � Z d � Z e d � Z d � Z d � Z d � Z RS( st ModuleCompiler eases running of the module compiler. The ModuleCompiler class encapsulates running the commandline module compiler (checkmodule) and module packager (semodule_package). You are likely interested in the create_module_package method. Several options are controlled via paramaters (only effects the non-refpol builds): .mls [boolean] Generate an MLS module (by passed -M to checkmodule). True to generate an MLS module, false otherwise. .module [boolean] Generate a module instead of a base module. True to generate a module, false to generate a base. .checkmodule [string] Fully qualified path to the module compiler. Default is /usr/bin/checkmodule. .semodule_package [string] Fully qualified path to the module packager. Defaults to /usr/bin/semodule_package. .output [file object] File object used to write verbose output of the compililation and packaging process. c C sX t j � | _ t | _ d | _ d | _ | | _ d | _ t j � | _ d | _ d S( s� Create a ModuleCompiler instance, optionally with an output file object for verbose output of the compilation process. s /usr/bin/checkmodules /usr/bin/semodule_packaget s /usr/bin/makeN( t selinuxt is_selinux_mls_enabledt mlsR t modulet checkmodulet semodule_packaget outputt last_outputR R t refpol_makefilet make( R R1 ( ( s5 /usr/lib64/python2.7/site-packages/sepolgen/module.pyR t s c C s- | j r | j j | d � n | | _ d S( Ns ( R1 R R2 ( R t str( ( s5 /usr/lib64/python2.7/site-packages/sepolgen/module.pyt o� s c C s0 | j | � t | � \ } } | j | � | S( N( R6 R ( R t commandt rcR1 ( ( s5 /usr/lib64/python2.7/site-packages/sepolgen/module.pyt run� s c C sg | j d � } t | � d k r3 t d | � � n d j | d d !� } | d } | d } | | f S( s� Generate the module and policy package filenames from a source file name. The source file must be in the form of "foo.te". This will generate "foo.mod" and "foo.pp". Returns a tuple with (modname, policypackage). t .i s, invalid sourcefile name %s (must end in .te)i i����s .mods .pp( R& R t RuntimeErrort join( R R' t splitnamet basenameR t packagename( ( s5 /usr/lib64/python2.7/site-packages/sepolgen/module.pyt gen_filenames� s c C s\ | r | j | � nB | j | � \ } } | j | | � | j | | � t j | � d S( s� Create a module package saved in a packagename from a sourcename. The create_module_package creates a module package saved in a file named sourcename (.pp is the standard extension) from a source file (.te is the standard extension). The source file should contain SELinux policy statements appropriate for a base or non-base module (depending on the setting of .module). Only file names are accepted, not open file objects or descriptors because the command line SELinux tools are used. On error a RuntimeError will be raised with a descriptive error message. N( t refpol_buildR@ t compilet packageR t unlink( R R' t refpolicyR R? ( ( s5 /usr/lib64/python2.7/site-packages/sepolgen/module.pyt create_module_package� s c C sI | j d | j } | j | � } | d k rE t d | j � � n d S( Ns -f i s compilation failed: %s( R4 R3 R9 R; R2 ( R R' R7 R8 ( ( s5 /usr/lib64/python2.7/site-packages/sepolgen/module.pyRA � s c C s� | j g } | j r% | j d � n | j r> | j d � n | j d � | j | � | j | � | j d j | � � } | d k r� t d | j � � n d S( Ns -Ms -ms -ot i s compilation failed: %s( R/ R- t appendR. R9 R< R; R2 ( R R' R t sR8 ( ( s5 /usr/lib64/python2.7/site-packages/sepolgen/module.pyRB � s c C s~ | j g } | j d � | j | � | j d � | j | � | j d j | � � } | d k rz t d | j � � n d S( Ns -os -mRG i s packaging failed [%s]( R0 RH R9 R< R; R2 ( R R R? RI R8 ( ( s5 /usr/lib64/python2.7/site-packages/sepolgen/module.pyRC � s N( R" R# t __doc__R R R6 R9 R@ R RF RA RB RC ( ( ( s5 /usr/lib64/python2.7/site-packages/sepolgen/module.pyR) [ s ( ( ( RJ R t tempfilet subprocessR t ImportErrort commandsR t os.patht shutilR+ R* R R R R( R) ( ( ( s5 /usr/lib64/python2.7/site-packages/sepolgen/module.pyt <module> s '