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kernel-iph: Implement add/del_route()

This commit is contained in:
Martin Willi 2013-12-13 12:52:06 +01:00
parent 13e18cb2fc
commit 0ef0493b4a
1 changed files with 81 additions and 7 deletions
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88
src/libcharon/plugins/kernel_iph/kernel_iph_net.c
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@ -546,18 +546,92 @@ METHOD(kernel_net_t, del_ip, status_t,
return NOT_SUPPORTED;
}
METHOD(kernel_net_t, add_route, status_t,
private_kernel_iph_net_t *this, chunk_t dst_net, u_int8_t prefixlen,
host_t *gateway, host_t *src_ip, char *if_name)
/**
* Add or remove a route
*/
static status_t manage_route(private_kernel_iph_net_t *this, bool add,
chunk_t dst, u_int8_t prefixlen, host_t *gtw, char *name)
{
return NOT_SUPPORTED;
MIB_IPFORWARD_ROW2 row = {
.DestinationPrefix = {
.PrefixLength = prefixlen,
},
.SitePrefixLength = prefixlen,
.ValidLifetime = INFINITE,
.PreferredLifetime = INFINITE,
.Metric = 10,
.Protocol = MIB_IPPROTO_NETMGMT,
};
enumerator_t *enumerator;
iface_t *entry;
ULONG ret;
this->mutex->lock(this->mutex);
enumerator = this->ifaces->create_enumerator(this->ifaces);
while (enumerator->enumerate(enumerator, &entry))
{
if (streq(name, entry->ifname))
{
row.InterfaceIndex = entry->ifindex;
break;
}
}
enumerator->destroy(enumerator);
this->mutex->unlock(this->mutex);
if (!row.InterfaceIndex)
{
return NOT_FOUND;
}
switch (dst.len)
{
case 4:
row.DestinationPrefix.Prefix.si_family = AF_INET;
memcpy(&row.DestinationPrefix.Prefix.Ipv4.sin_addr,
dst.ptr, dst.len);
break;
case 16:
row.DestinationPrefix.Prefix.si_family = AF_INET6;
memcpy(&row.DestinationPrefix.Prefix.Ipv6.sin6_addr,
dst.ptr, dst.len);
break;
default:
return FAILED;
}
if (gtw)
{
memcpy(&row.NextHop, gtw->get_sockaddr(gtw),
*gtw->get_sockaddr_len(gtw));
}
if (add)
{
ret = CreateIpForwardEntry2(&row);
}
else
{
ret = DeleteIpForwardEntry2(&row);
}
if (ret != NO_ERROR)
{
DBG1(DBG_KNL, "%sing route failed: 0x%08lx", add ? "add" : "remov", ret);
return FAILED;
}
return SUCCESS;
}
METHOD(kernel_net_t, add_route, status_t,
private_kernel_iph_net_t *this, chunk_t dst, u_int8_t prefixlen,
host_t *gateway, host_t *src, char *name)
{
return manage_route(this, TRUE, dst, prefixlen, gateway, name);
}
METHOD(kernel_net_t, del_route, status_t,
private_kernel_iph_net_t *this, chunk_t dst_net, u_int8_t prefixlen,
host_t *gateway, host_t *src_ip, char *if_name)
private_kernel_iph_net_t *this, chunk_t dst, u_int8_t prefixlen,
host_t *gateway, host_t *src, char *name)
{
return NOT_SUPPORTED;
return manage_route(this, FALSE, dst, prefixlen, gateway, name);
}
METHOD(kernel_net_t, destroy, void,