old_contents: #Copyright (c) 2006 Erich Schubert erich@debian.org
  
  #Permission is hereby granted, free of charge, to any person obtaining a copy
  #of this software and associated documentation files (the "Software"), to deal
  #in the Software without restriction, including without limitation the rights
  #to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  #copies of the Software, and to permit persons to whom the Software is
  #furnished to do so, subject to the following conditions:
  
  #The above copyright notice and this permission notice shall be included in
  #all copies or substantial portions of the Software.
  
  #THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  #IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  #FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  #AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  #LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  #OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  #SOFTWARE.
  from pyroman import Firewall
  from util import Util
  
  class Interface:
  	"""
  	Interfaces (or -groups) are used to filter based on physical networks
  	"""
  	def __init__(self, name, iface, loginfo):
  		"""
  		Create a new interface
  
  		name -- name for this interface (-group)
  		iface -- kernel interface names, e.g. "eth0 eth1"
  		"""
  		if name == "" or not Util.verify_name(name):
  			raise "Interface lacking a valid name (name: %s, iface: %s) at %s" \
  				% (name, iface, loginfo)
  		if Firewall.interfaces.has_key(name):
  			raise "Duplicate interface specification: %s at %s" % (name, loginfo)
  		if iface == "":
  			raise "Interface definition lacking kernel interfaces: %s at %s" \
  				% (name, loginfo)
  		self.name = name
  		self.iface = Util.splitter.split(iface)
  		self.loginfo = loginfo
  
  		# register with firewall
  		Firewall.interfaces[name] = self
  
  	def get_filter(self, dir):
  		"""
  		Generate filter rules for this interface by generating a list of
  		filter rules for all source specifications
  
  		dir -- either "d" or "s" for destination filter or source filter
  		"""
  		idir = None
  		if dir == "d":
  			idir = "o"
  		elif dir == "s":
  			idir = "i"
  		else:
  			raise "Unknown direction specified: %s" % dir
  		# when necessary, turn around filter directions
  		result = []
  		for i in self.iface:
  			if i != "":
  				result.append( "-%s %s" % (idir, i) )
  		return result
  
  	def prepare(self):
  		"""
  		Prepare interface definition for generation
  		Nothing to do here for now
  		"""
  		pass
  
  	def verify(self):
  		"""
  		Verify that the interface definition is complete, in addition to the
  		checks at creation time. (Currenlty, no additional checks are done.)
  		"""
  		# no additional checks yet
  		pass
  
new_contents: #Copyright (c) 2006 Erich Schubert erich@debian.org
  
  #Permission is hereby granted, free of charge, to any person obtaining a copy
  #of this software and associated documentation files (the "Software"), to deal
  #in the Software without restriction, including without limitation the rights
  #to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  #copies of the Software, and to permit persons to whom the Software is
  #furnished to do so, subject to the following conditions:
  
  #The above copyright notice and this permission notice shall be included in
  #all copies or substantial portions of the Software.
  
  #THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  #IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  #FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  #AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  #LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  #OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  #SOFTWARE.
  from pyroman import Firewall
  from util import Util
  
  class Interface:
  	"""
  	Interfaces (or -groups) are used to filter based on physical networks
  	"""
  	def __init__(self, name, iface, loginfo):
  		"""
  		Create a new interface
  
  		name -- name for this interface (-group)
  		iface -- kernel interface names, e.g. "eth0 eth1"
  		"""
  		if name == "" or not Util.verify_name(name):
  			raise "Interface lacking a valid name (name: %s, iface: %s) at %s" \
  				% (name, iface, loginfo)
  		if Firewall.interfaces.has_key(name):
  			raise "Duplicate interface specification: %s at %s" % (name, loginfo)
  		if iface == "":
  			raise "Interface definition lacking kernel interfaces: %s at %s" \
  				% (name, loginfo)
  		self.name = name
  		self.iface = Util.splitter.split(iface)
  		self.loginfo = loginfo
  
  		# register with firewall
  		Firewall.interfaces[name] = self
  
  	def get_filter(self, dir):
  		"""
  		Generate filter rules for this interface by generating a list of
  		filter rules for all source specifications
  
  		dir -- either "d" or "s" for destination filter or source filter
  		"""
  		idir = None
  		if dir == "d":
  			idir = "o"
  		elif dir == "s":
  			idir = "i"
  		else:
  			raise "Unknown direction specified: %s" % dir
  		# when necessary, turn around filter directions
  		result = []
  		for i in self.iface:
  			if i != "" and i != "*":
  				result.append( "-%s %s" % (idir, i) )
  		return result
  
  	def prepare(self):
  		"""
  		Prepare interface definition for generation
  		Nothing to do here for now
  		"""
  		pass
  
  	def verify(self):
  		"""
  		Verify that the interface definition is complete, in addition to the
  		checks at creation time. (Currenlty, no additional checks are done.)
  		"""
  		# no additional checks yet
  		pass
  
subject: allow '*' in interface specification - for localhost setups etc.