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netfilter: nf_nat_snmp_basic: add missing helper alias name

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In order to upload helper module automatically, helper alias name
is needed. so that MODULE_ALIAS_NFCT_HELPER() should be added.
And unlike other nat helper modules, the nf_nat_snmp_basic can be
used independently.
helper name is "snmp_trap" so that alias name will be
"nfct-helper-snmp_trap" by MODULE_ALIAS_NFCT_HELPER(snmp_trap)

test command:
   %iptables -t raw -I PREROUTING -p udp -j CT --helper snmp_trap
   %lsmod | grep nf_nat_snmp_basic

We can see nf_nat_snmp_basic module is uploaded automatically.

Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Taehee Yoo 2018-10-07 00:17:07 +09:00 committed by Pablo Neira Ayuso
parent e891e50a8a
commit 95c97998aa
1 changed files with 1 additions and 0 deletions
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net/ipv4/netfilter/nf_nat_snmp_basic_main.c
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@ -60,6 +60,7 @@ MODULE_LICENSE("GPL");
MODULE_AUTHOR("James Morris <jmorris@intercode.com.au>");
MODULE_DESCRIPTION("Basic SNMP Application Layer Gateway");
MODULE_ALIAS("ip_nat_snmp_basic");
MODULE_ALIAS_NFCT_HELPER("snmp_trap");
#define SNMP_PORT 161
#define SNMP_TRAP_PORT 162