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minor changes detecting chains

This commit is contained in:
amorfo77 2023-02-11 13:11:55 +01:00
parent 3889050294
commit 1a5bdb4ee2
1 changed files with 9 additions and 9 deletions
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18
data/Dockerfiles/netfilter/server.py
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@ -153,8 +153,8 @@ def get_base_dict():
def search_current_chains(): def search_current_chains():
global nft_chain_names global nft_chain_names
nft_chain_priority = {'ip': {'filter': {'input': 1, 'forward': 1}, 'nat': {'postrouting': 111} }, nft_chain_priority = {'ip': {'filter': {'input': None, 'forward': None}, 'nat': {'postrouting': None} },
'ip6': {'filter': {'input': 1, 'forward': 1}, 'nat': {'postrouting': 111} } } 'ip6': {'filter': {'input': None, 'forward': None}, 'nat': {'postrouting': None} } }
# Command: 'nft list chains' # Command: 'nft list chains'
_list_opts = dict(chains='null') _list_opts = dict(chains='null')
@ -169,17 +169,17 @@ def search_current_chains():
_family = chain['family'] _family = chain['family']
_table = chain['table'] _table = chain['table']
if not _family in nft_chain_names: continue
if not _table in nft_chain_names[_family]: continue
_hook = chain.get("hook") _hook = chain.get("hook")
if not _hook in nft_chain_names[_family][_table]: continue
_priority = chain.get("prio") _priority = chain.get("prio")
if _priority is None: continue
_name = chain['name'] _name = chain['name']
if _priority < nft_chain_priority[_family][_table][_hook]: if _family not in nft_chain_names: continue
if _table not in nft_chain_names[_family]: continue
if _hook not in nft_chain_names[_family][_table]: continue
if _priority is None: continue
_saved_priority = nft_chain_priority[_family][_table][_hook]
if _saved_priority is None or _priority < _saved_priority:
# at this point, we know the chain has: # at this point, we know the chain has:
# hook and priority set # hook and priority set
# and it has the lowest priority # and it has the lowest priority