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/*
* (C) 2008 by Pablo Neira Ayuso <pablo@netfilter.org>
*
* This software may be used and distributed according to the terms
* of the GNU General Public License, incorporated herein by reference.
*/
#include "internal.h"
#define TS_ORIG \
({ \
((1 << ATTR_ORIG_IPV4_SRC) | (1 << ATTR_ORIG_IPV4_DST) | \
(1 << ATTR_ORIG_IPV6_SRC) | (1 << ATTR_ORIG_IPV6_DST) | \
(1 << ATTR_ORIG_PORT_SRC) | (1 << ATTR_ORIG_PORT_DST) | \
(1 << ATTR_ORIG_L3PROTO) | (1 << ATTR_ORIG_L4PROTO) | \
(1 << ATTR_ICMP_TYPE) | (1 << ATTR_ICMP_CODE) | \
(1 << ATTR_ICMP_ID)); \
})
#define TS_REPL \
({ \
((1 << ATTR_REPL_IPV4_SRC) | (1 << ATTR_REPL_IPV4_DST) | \
(1 << ATTR_REPL_IPV6_SRC) | (1 << ATTR_REPL_IPV6_DST) | \
(1 << ATTR_REPL_PORT_SRC) | (1 << ATTR_REPL_PORT_DST) | \
(1 << ATTR_REPL_L3PROTO) | (1 << ATTR_REPL_L4PROTO) | \
(1 << ATTR_ICMP_TYPE) | (1 << ATTR_ICMP_CODE) | \
(1 << ATTR_ICMP_ID)); \
})
#define TUPLE_SET(dir) (dir == __DIR_ORIG ? TS_ORIG : TS_REPL)
void __copy_tuple(struct nf_conntrack *ct2,
const struct nf_conntrack *ct1,
int dir)
{
memcpy(&ct2->tuple[dir].src,
&ct1->tuple[dir].src,
sizeof(union __nfct_address));
memcpy(&ct2->tuple[dir].dst,
&ct1->tuple[dir].dst,
sizeof(union __nfct_address));
ct2->tuple[dir].l3protonum = ct1->tuple[dir].l3protonum;
ct2->tuple[dir].protonum = ct1->tuple[dir].protonum;
memcpy(&ct2->tuple[dir].l4src,
&ct1->tuple[dir].l4src,
sizeof(union __nfct_l4));
memcpy(&ct2->tuple[dir].l4dst,
&ct1->tuple[dir].l4dst,
sizeof(union __nfct_l4));
/* XXX: this is safe but better convert bitset to uint64_t */
ct2->set[0] |= ct1->set[0] & TUPLE_SET(__DIR_ORIG);
}
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