sfatables/exec.py

   1 #!/usr/bin/python
   2
   3 import sys
   4 import os
   5 import pdb
   6 import libxml2
   7
   8 from optparse import OptionParser
   9 from sfatables import commands, matches, targets
  10 from sfatables.xmlextension import Xmlextension
  11 from sfatables.globals import *
  12 from sfatables.commands.List import *
  13 from sfatables.xmlrule import *
  14
  15 class SFATablesRules:
  16     def __init__(self, chain_name):
  17         self.sorted_rule_list = []
  18         chain_dir_path = "%s/%s"%(sfatables_config,chain_name)
  19         rule_list = List().get_rule_list(chain_dir_path)
  20         for rule_number in rule_list:
  21             self.sorted_rule_list.append(XMLRule(chain_name, rule_number))
  22         return
  23
  24     def apply(self, rspec):
  25         intermediate_rspec = rspec
  26         for rule in self.sorted_rule_list:
  27             intermediate_rspec  = rule.apply_interpreted(intermediate_rspec)
  28
  29         return intermediate_rspec
  30
  31 def main():
  32     incoming = SFATablesRules('INCOMING')
  33     outgoing = SFATablesRules('OUTGOING')
  34
  35     rspec = """
  36 <rspec>
  37     <request-context>
  38         <sfa><user><hrn>plc.princeton.sapan</hrn></user></sfa>
  39     </request-context>
  40
  41     <sfatables-rule>
  42             <argument>
  43                 <name>hrn</name>
  44                 <value>plc</value>
  45             </argument>
  46             <argument>
  47                 <name>whitelist</name>
  48                 <value>plc.princeton</value>
  49             </argument>
  50             <argument>
  51                 <name>blacklist</name>
  52                 <value>plc.tp</value>
  53             </argument>
  54     </sfatables-rule>
  55     <request>
  56         <nodespec>
  57             <node name="plc.princeton.planetlab-01"/>
  58             <node name="plc.princeton.planetlab-02"/>
  59             <node name="plc.princeton.planetlab-03"/>
  60             <node name="plc.princeton.planetlab-04"/>
  61             <node name="plc.tp.planetlab3"/>
  62         </nodespec>
  63     </request>
  64 </rspec>
  65     """
  66
  67
  68     print "%d rules loaded for INCOMING chain\n"%len(incoming.sorted_rule_list)
  69     print "%d rules loaded for OUTGOING chain\n"%len(outgoing.sorted_rule_list)
  70
  71     newrspec = incoming.apply(rspec)
  72     print newrspec
  73     return
  74
  75 if __name__=="__main__":
  76     main()