from sfatables.globals import *
class Add(Command):
- options = [('-A','--add')]
- help = 'Add a rule to a chain'
- matches = True
- targets = True
-
def __init__(self):
+ self.options = [('-A','--add')]
+ self.help = 'Add a rule to a chain'
+ self.matches = True
+ self.targets = True
return
def getnextfilename(self,type,chain):
- dir = sfatables_config + chain;
- last_rule_number = 1
+ dir = sfatables_config + "/"+chain;
+ last_rule_number = 0
for (root, dirs, files) in os.walk(dir):
for file in files:
- if (file.startswith('sfatables-')):
+ if (file.startswith('sfatables-') and file.endswith(type)):
number_str = file.split('-')[1]
number = int(number_str)
if (number>last_rule_number):
return "sfatables-%d-%s"%(last_rule_number+1,type)
- def call(self, command_options, match_options, target_options):
- filename = match_dir + "/"+match_options.match_name+".xml"
+ def call_gen(self, chain, type, dir, options):
+ filename = os.path.join(dir, options.name+".xml")
xmldoc = libxml2.parseFile(filename)
p = xmldoc.xpathNewContext()
- supplied_arguments = match_options.arguments
+ supplied_arguments = options.arguments
+ if (hasattr(options,'element') and options.element):
+ element = options.element
+ else:
+ element='*'
+
for option in supplied_arguments:
option_name = option['name']
- option_value = getattr(match_options,option_name)
+ option_value = getattr(options,option_name)
- if (hasattr(match_options,option_name)):
- context = p.xpathEval("//rule/argument[name='%s']"%option_name)
+ if (hasattr(options,option_name) and getattr(options,option_name)):
+ context = p.xpathEval("//rule[@element='%s' or @element='*']/argument[name='%s']"%(element, option_name))
if (not context):
- raise Exception('Unknown option %s for match %s'%(option,option['name']))
+ raise Exception('Unknown option %s for match %s and element %s'%(option,option['name'], element))
else:
# Add the value of option
valueNode = libxml2.newNode('value')
valueNode.addContent(option_value)
context[0].addChild(valueNode)
- chain = command_options.args[0]
- filename = self.getnextfilename('match',chain)
- file_path = sfatables_config + '/' + chain + '/' + filename
+ filename = self.getnextfilename(type,chain)
+ file_path = os.path.join(sfatables_config, chain, filename)
+ if not os.path.isdir(os.path.dirname(file_path)):
+ os.makedirs(os.path.dirname(file_path))
xmldoc.saveFile(file_path)
p.xpathFreeContext()
xmldoc.freeDoc()
return True
+
+ def call(self, command_options, match_options, target_options):
+ chain = command_options.args[0]
+ ret = self.call_gen(chain, 'match',match_dir, match_options)
+ if (ret):
+ ret = self.call_gen(chain, 'target',target_dir, target_options)
+
+ return ret