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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/internal.h"
static void filter_attr_l4proto(struct nfct_filter *filter, const void *value)
{
if (filter->l4proto_len >= __FILTER_L4PROTO_MAX)
return;
set_bit(*((int *) value), filter->l4proto_map);
filter->l4proto_len++;
}
static void
filter_attr_l4proto_state(struct nfct_filter *filter, const void *value)
{
const struct nfct_filter_proto *this = value;
set_bit_u16(this->state, &filter->l4proto_state[this->proto].map);
filter->l4proto_state[this->proto].len++;
}
static void filter_attr_src_ipv4(struct nfct_filter *filter, const void *value)
{
const struct nfct_filter_ipv4 *this = value;
if (filter->l3proto_elems[0] >= __FILTER_ADDR_MAX)
return;
filter->l3proto[0][filter->l3proto_elems[0]].addr = this->addr;
filter->l3proto[0][filter->l3proto_elems[0]].mask = this->mask;
filter->l3proto_elems[0]++;
}
static void filter_attr_dst_ipv4(struct nfct_filter *filter, const void *value)
{
const struct nfct_filter_ipv4 *this = value;
if (filter->l3proto_elems[1] >= __FILTER_ADDR_MAX)
return;
filter->l3proto[1][filter->l3proto_elems[1]].addr = this->addr;
filter->l3proto[1][filter->l3proto_elems[1]].mask = this->mask;
filter->l3proto_elems[1]++;
}
static void filter_attr_src_ipv6(struct nfct_filter *filter, const void *value)
{
const struct nfct_filter_ipv6 *this = value;
if (filter->l3proto_elems_ipv6[0] >= __FILTER_IPV6_MAX)
return;
memcpy(filter->l3proto_ipv6[0][filter->l3proto_elems_ipv6[0]].addr,
this->addr, sizeof(u_int32_t)*4);
memcpy(filter->l3proto_ipv6[0][filter->l3proto_elems_ipv6[0]].mask,
this->mask, sizeof(u_int32_t)*4);
filter->l3proto_elems_ipv6[0]++;
}
static void filter_attr_dst_ipv6(struct nfct_filter *filter, const void *value)
{
const struct nfct_filter_ipv6 *this = value;
if (filter->l3proto_elems_ipv6[1] >= __FILTER_IPV6_MAX)
return;
memcpy(filter->l3proto_ipv6[1][filter->l3proto_elems_ipv6[1]].addr,
this->addr, sizeof(u_int32_t)*4);
memcpy(filter->l3proto_ipv6[1][filter->l3proto_elems_ipv6[1]].mask,
this->mask, sizeof(u_int32_t)*4);
filter->l3proto_elems_ipv6[1]++;
}
const filter_attr filter_attr_array[NFCT_FILTER_MAX] = {
[NFCT_FILTER_L4PROTO] = filter_attr_l4proto,
[NFCT_FILTER_L4PROTO_STATE] = filter_attr_l4proto_state,
[NFCT_FILTER_SRC_IPV4] = filter_attr_src_ipv4,
[NFCT_FILTER_DST_IPV4] = filter_attr_dst_ipv4,
[NFCT_FILTER_SRC_IPV6] = filter_attr_src_ipv6,
[NFCT_FILTER_DST_IPV6] = filter_attr_dst_ipv6,
};
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