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# -*- coding: utf-8 -*- # # Copyright (C) 2010-2016 Red Hat, Inc. # # Authors: # Thomas Woerner <twoerner@redhat.com> # # 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; either version 2 of the License, or # (at your option) any later version. # # 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, see <http://www.gnu.org/licenses/>. # """Functions to search for and change ifcfg files""" __all__ = [ "search_ifcfg_of_interface", "ifcfg_set_zone_of_interface" ] import os import os.path from firewall import config from firewall.core.logger import log from firewall.core.io.ifcfg import ifcfg def search_ifcfg_of_interface(interface): """search ifcfg file for the interface in config.IFCFGDIR""" # Return quickly if config.IFCFGDIR does not exist if not os.path.exists(config.IFCFGDIR): return None for filename in sorted(os.listdir(config.IFCFGDIR)): if not filename.startswith("ifcfg-"): continue for ignored in [ ".bak", ".orig", ".rpmnew", ".rpmorig", ".rpmsave", "-range" ]: if filename.endswith(ignored): continue if "." in filename: continue ifcfg_file = ifcfg("%s/%s" % (config.IFCFGDIR, filename)) ifcfg_file.read() if ifcfg_file.get("DEVICE") == interface: return ifcfg_file # Wasn't found above, so assume filename matches the device we want filename = "%s/ifcfg-%s" % (config.IFCFGDIR, interface) if os.path.exists(filename): ifcfg_file = ifcfg(filename) ifcfg_file.read() return ifcfg_file return None def ifcfg_set_zone_of_interface(zone, interface): """Set zone (ZONE=<zone>) in the ifcfg file that uses the interface (DEVICE=<interface>)""" if zone is None: zone = "" ifcfg_file = search_ifcfg_of_interface(interface) if ifcfg_file is not None and ifcfg_file.get("ZONE") != zone and not \ (ifcfg_file.get("ZONE") is None and zone == ""): log.debug1("Setting ZONE=%s in '%s'" % (zone, ifcfg_file.filename)) ifcfg_file.set("ZONE", zone) ifcfg_file.write()
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