grp_setter.c
/*
* (C) 2005-2011 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"
static void set_attr_grp_orig_ipv4(struct nf_conntrack *ct, const void *value)
{
const struct nfct_attr_grp_ipv4 *this = value;
ct->head.orig.src.v4 = this->src;
ct->head.orig.dst.v4 = this->dst;
ct->head.orig.l3protonum = AF_INET;
}
static void set_attr_grp_repl_ipv4(struct nf_conntrack *ct, const void *value)
{
const struct nfct_attr_grp_ipv4 *this = value;
ct->repl.src.v4 = this->src;
ct->repl.dst.v4 = this->dst;
ct->repl.l3protonum = AF_INET;
}
static void set_attr_grp_orig_ipv6(struct nf_conntrack *ct, const void *value)
{
const struct nfct_attr_grp_ipv6 *this = value;
memcpy(&ct->head.orig.src.v6, this->src, sizeof(uint32_t)*4);
memcpy(&ct->head.orig.dst.v6, this->dst, sizeof(uint32_t)*4);
ct->head.orig.l3protonum = AF_INET6;
}
static void set_attr_grp_repl_ipv6(struct nf_conntrack *ct, const void *value)
{
const struct nfct_attr_grp_ipv6 *this = value;
memcpy(&ct->repl.src.v6, this->src, sizeof(uint32_t)*4);
memcpy(&ct->repl.dst.v6, this->dst, sizeof(uint32_t)*4);
ct->repl.l3protonum = AF_INET6;
}
static void set_attr_grp_orig_port(struct nf_conntrack *ct, const void *value)
{
const struct nfct_attr_grp_port *this = value;
ct->head.orig.l4src.all = this->sport;
ct->head.orig.l4dst.all = this->dport;
}
static void set_attr_grp_repl_port(struct nf_conntrack *ct, const void *value)
{
const struct nfct_attr_grp_port *this = value;
ct->repl.l4src.all = this->sport;
ct->repl.l4dst.all = this->dport;
}
static void set_attr_grp_icmp(struct nf_conntrack *ct, const void *value)
{
const struct nfct_attr_grp_icmp *this = value;
uint8_t rtype = 0;
ct->head.orig.l4dst.icmp.type = this->type;
switch(ct->head.orig.l3protonum) {
case AF_INET:
rtype = __icmp_reply_type(this->type);
break;
case AF_INET6:
rtype = __icmpv6_reply_type(this->type);
break;
default:
rtype = 0; /* not found */
}
if (rtype)
ct->repl.l4dst.icmp.type = rtype - 1;
else
ct->repl.l4dst.icmp.type = 255; /* -EINVAL */
ct->head.orig.l4dst.icmp.code = this->code;
ct->repl.l4dst.icmp.code = this->code;
ct->head.orig.l4src.icmp.id = this->id;
ct->repl.l4src.icmp.id = this->id;
}
static void set_attr_grp_master_ipv4(struct nf_conntrack *ct, const void *value)
{
const struct nfct_attr_grp_ipv4 *this = value;
ct->master.src.v4 = this->src;
ct->master.dst.v4 = this->dst;
ct->master.l3protonum = AF_INET;
}
static void set_attr_grp_master_ipv6(struct nf_conntrack *ct, const void *value)
{
const struct nfct_attr_grp_ipv6 *this = value;
memcpy(&ct->master.src.v6, this->src, sizeof(uint32_t)*4);
memcpy(&ct->master.dst.v6, this->dst, sizeof(uint32_t)*4);
ct->master.l3protonum = AF_INET6;
}
static void set_attr_grp_master_port(struct nf_conntrack *ct, const void *value)
{
const struct nfct_attr_grp_port *this = value;
ct->master.l4src.all = this->sport;
ct->master.l4dst.all = this->dport;
}
static void set_attr_grp_do_nothing(struct nf_conntrack *ct, const void *value)
{
}
const set_attr_grp set_attr_grp_array[ATTR_GRP_MAX] = {
[ATTR_GRP_ORIG_IPV4] = set_attr_grp_orig_ipv4,
[ATTR_GRP_REPL_IPV4] = set_attr_grp_repl_ipv4,
[ATTR_GRP_ORIG_IPV6] = set_attr_grp_orig_ipv6,
[ATTR_GRP_REPL_IPV6] = set_attr_grp_repl_ipv6,
[ATTR_GRP_ORIG_PORT] = set_attr_grp_orig_port,
[ATTR_GRP_REPL_PORT] = set_attr_grp_repl_port,
[ATTR_GRP_ICMP] = set_attr_grp_icmp,
[ATTR_GRP_MASTER_IPV4] = set_attr_grp_master_ipv4,
[ATTR_GRP_MASTER_IPV6] = set_attr_grp_master_ipv6,
[ATTR_GRP_MASTER_PORT] = set_attr_grp_master_port,
[ATTR_GRP_ORIG_COUNTERS] = set_attr_grp_do_nothing,
[ATTR_GRP_REPL_COUNTERS] = set_attr_grp_do_nothing,
[ATTR_GRP_ORIG_ADDR_SRC] = set_attr_grp_do_nothing,
[ATTR_GRP_ORIG_ADDR_DST] = set_attr_grp_do_nothing,
[ATTR_GRP_REPL_ADDR_SRC] = set_attr_grp_do_nothing,
[ATTR_GRP_REPL_ADDR_DST] = set_attr_grp_do_nothing,
};
nfct_attr_grp_icmp
Definition libnetfilter_conntrack.h:184
nfct_attr_grp_ipv4
Definition libnetfilter_conntrack.h:172
nfct_attr_grp_ipv6
Definition libnetfilter_conntrack.h:176
nfct_attr_grp_port
Definition libnetfilter_conntrack.h:180