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netfilter: add audit table unregister actions

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Audit the action of unregistering ebtables and x_tables.

See: https://github.com/linux-audit/audit-kernel/issues/44

Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
This commit is contained in:
Richard Guy Briggs
2020-04-22 17:39:29 -04:00
committed by Paul Moore
parent c4dad0aab3
commit a45d88530b
4 changed files with 8 additions and 2 deletions
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net/bridge/netfilter/ebtables.c
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@@ -1124,6 +1124,8 @@ static void __ebt_unregister_table(struct net *net, struct ebt_table *table)
mutex_lock(&ebt_mutex);
list_del(&table->list);
mutex_unlock(&ebt_mutex);
audit_log_nfcfg(table->name, AF_BRIDGE, table->private->nentries,
AUDIT_XT_OP_UNREGISTER);
EBT_ENTRY_ITERATE(table->private->entries, table->private->entries_size,
ebt_cleanup_entry, net, NULL);
if (table->private->nentries)