filter_dump.c
/*
* (C) 2005-2012 by Pablo Neira Ayuso <pablo@netfilter.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include "internal/internal.h"
#include <libmnl/libmnl.h>
static void
set_filter_dump_attr_mark(struct nfct_filter_dump *filter_dump,
const void *value)
{
const struct nfct_filter_dump_mark *this = value;
filter_dump->mark.val = this->val;
filter_dump->mark.mask = this->mask;
}
static void
set_filter_dump_attr_status(struct nfct_filter_dump *filter_dump,
const void *value)
{
const struct nfct_filter_dump_mark *this = value;
filter_dump->status.val = this->val;
filter_dump->status.mask = this->mask;
}
static void
set_filter_dump_attr_family(struct nfct_filter_dump *filter_dump,
const void *value)
{
filter_dump->l3num = *((uint8_t *)value);
}
static void
set_filter_dump_attr_zone(struct nfct_filter_dump *filter_dump,
const void *value)
{
filter_dump->zone = *((uint16_t *)value);
}
static void
set_filter_dump_attr_tuple(struct nfct_filter_dump *filter_dump,
const void *value)
{
memcpy(&filter_dump->ct, value, sizeof(struct nf_conntrack));
}
const set_filter_dump_attr set_filter_dump_attr_array[NFCT_FILTER_DUMP_MAX] = {
[NFCT_FILTER_DUMP_MARK] = set_filter_dump_attr_mark,
[NFCT_FILTER_DUMP_L3NUM] = set_filter_dump_attr_family,
[NFCT_FILTER_DUMP_STATUS] = set_filter_dump_attr_status,
[NFCT_FILTER_DUMP_ZONE] = set_filter_dump_attr_zone,
[NFCT_FILTER_DUMP_TUPLE] = set_filter_dump_attr_tuple,
};
int __build_filter_dump(struct nfnlhdr *req, size_t size,
const struct nfct_filter_dump *filter_dump)
{
return nfct_nlmsg_build_filter(&req->nlh, filter_dump);
}
int __build_filter_flush(struct nfnlhdr *req, size_t size,
const struct nfct_filter_dump *filter_dump)
{
if (filter_dump->set & (1 << NFCT_FILTER_DUMP_TUPLE)) {
errno = ENOTSUP;
return -1;
}
return nfct_nlmsg_build_filter(&req->nlh, filter_dump);
}
nfct_filter_dump_mark
Definition libnetfilter_conntrack.h:543