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#! /usr/bin/python -E
#
# Authors: Karl MacMillan
#
# Copyright (C) 2006 Red Hat
# see file 'COPYING' for use and warranty information
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; version 2 only
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Parse interfaces and output extracted information about them
# suitable for policy generation. By default writes the output
# to the default location (obtained from sepolgen.defaults), but
# will output to another file provided as an argument:
# sepolgen-ifgen [headers] [output-filename]
import sys
import os
import sepolgen.refparser as refparser
import sepolgen.defaults as defaults
import sepolgen.interfaces as interfaces
VERSION = "%prog .1"
def parse_options():
from optparse import OptionParser
parser = OptionParser(version=VERSION)
parser.add_option("-o", "--output", dest="output", default=defaults.interface_info(),
help="filename to store output")
parser.add_option("-i", "--interfaces", dest="headers", default=defaults.headers(),
help="location of the interface header files")
parser.add_option("-v", "--verbose", action="store_true", default=False,
help="print debuging output")
parser.add_option("-d", "--debug", action="store_true", default=False,
help="extra debugging output")
options, args = parser.parse_args()
return options
def main():
options = parse_options()
# Open the output first to generate errors before parsing
try:
f = open(options.output, "w")
except IOError, e:
sys.stderr.write("could not open output file [%s]\n" % options.output)
return 1
if options.verbose:
log = sys.stdout
else:
log = None
try:
headers = refparser.parse_headers(options.headers, output=log, debug=options.debug)
except ValueError, e:
print "error parsing headers"
print str(e)
return 1
if_set = interfaces.InterfaceSet(output=log)
if_set.add_headers(headers)
if_set.to_file(f)
f.close()
return 0
if __name__ == "__main__":
sys.exit(main())
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