#! /usr/bin/env python
# ------------------------------------------------------------------
#
#    Copyright (C) 2011-2012 Canonical Ltd.
#
#    This program is free software; you can redistribute it and/or
#    modify it under the terms of version 2 of the GNU General Public
#    License published by the Free Software Foundation.
#
# ------------------------------------------------------------------

import apparmor.easyprof
from apparmor.easyprof import AppArmorException, error
import optparse
import os
import sys

if __name__ == "__main__":
    def usage():
        '''Return usage information'''
        return 'USAGE: %s [options] <path to binary>' % \
               os.path.basename(sys.argv[0])

    (opt, args) = apparmor.easyprof.parse_args()
    binary = None

    m = usage()
    if opt.show_policy_group and not opt.policy_groups:
        error("Must specify -p with --show-policy-group")
    elif not opt.template and not opt.policy_groups and len(args) < 1:
        error("Must specify full path to binary\n%s" % m)

    binary = None
    if len(args) >= 1:
        binary = args[0]

    try:
        easyp = apparmor.easyprof.AppArmorEasyProfile(binary, opt)
    except AppArmorException as e:
        error(e.value)
    except Exception:
        raise

    if opt.list_templates:
        apparmor.easyprof.print_basefilenames(easyp.get_templates())
        sys.exit(0)
    elif opt.template and opt.show_template:
        files = [os.path.join(easyp.dirs['templates'], opt.template)]
        apparmor.easyprof.print_files(files)
        sys.exit(0)
    elif opt.list_policy_groups:
        apparmor.easyprof.print_basefilenames(easyp.get_policy_groups())
        sys.exit(0)
    elif opt.policy_groups and opt.show_policy_group:
        for g in opt.policy_groups.split(','):
            files = [os.path.join(easyp.dirs['policygroups'], g)]
            apparmor.easyprof.print_files(files)
        sys.exit(0)
    elif binary == None:
        error("Must specify full path to binary\n%s" % m)

    # if we made it here, generate a profile
    params = apparmor.easyprof.gen_policy_params(binary, opt)
    p = easyp.gen_policy(**params)
    sys.stdout.write('%s\n' % p)