Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
81 lines
2 KiB
C
81 lines
2 KiB
C
/*
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* This is a module which is used for setting the skb->priority field
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* of an skb for qdisc classification.
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*/
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/* (C) 2001-2002 Patrick McHardy <kaber@trash.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/module.h>
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#include <linux/skbuff.h>
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#include <linux/ip.h>
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#include <net/checksum.h>
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#include <linux/netfilter/x_tables.h>
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#include <linux/netfilter/xt_CLASSIFY.h>
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MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>");
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MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION("iptables qdisc classification target module");
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MODULE_ALIAS("ipt_CLASSIFY");
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static unsigned int
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target(struct sk_buff **pskb,
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const struct net_device *in,
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const struct net_device *out,
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unsigned int hooknum,
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const struct xt_target *target,
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const void *targinfo,
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void *userinfo)
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{
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const struct xt_classify_target_info *clinfo = targinfo;
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if ((*pskb)->priority != clinfo->priority)
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(*pskb)->priority = clinfo->priority;
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return XT_CONTINUE;
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}
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static struct xt_target xt_classify_target[] = {
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{
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.family = AF_INET,
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.name = "CLASSIFY",
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.target = target,
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.targetsize = sizeof(struct xt_classify_target_info),
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.table = "mangle",
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.hooks = (1 << NF_IP_LOCAL_OUT) |
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(1 << NF_IP_FORWARD) |
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(1 << NF_IP_POST_ROUTING),
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.me = THIS_MODULE,
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},
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{
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.name = "CLASSIFY",
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.family = AF_INET6,
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.target = target,
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.targetsize = sizeof(struct xt_classify_target_info),
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.table = "mangle",
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.hooks = (1 << NF_IP_LOCAL_OUT) |
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(1 << NF_IP_FORWARD) |
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(1 << NF_IP_POST_ROUTING),
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.me = THIS_MODULE,
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},
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};
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static int __init xt_classify_init(void)
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{
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return xt_register_targets(xt_classify_target,
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ARRAY_SIZE(xt_classify_target));
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}
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static void __exit xt_classify_fini(void)
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{
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xt_unregister_targets(xt_classify_target,
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ARRAY_SIZE(xt_classify_target));
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}
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module_init(xt_classify_init);
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module_exit(xt_classify_fini);
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