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/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2022 InnoGames GmbH
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "opt_inet.h"
#include "opt_inet6.h"
#include <sys/param.h>
#include <sys/errno.h>
#include <netpfil/pf/pfsync_nv.h>
int
pfsync_syncpeer_nvlist_to_sockaddr(const nvlist_t *nvl,
struct sockaddr_storage *sa)
{
int af;
if (!nvlist_exists_number(nvl, "af"))
return (EINVAL);
if (!nvlist_exists_binary(nvl, "address"))
return (EINVAL);
af = nvlist_get_number(nvl, "af");
switch (af) {
#ifdef INET
case AF_INET: {
struct sockaddr_in *in = (struct sockaddr_in *)sa;
size_t len;
const void *addr = nvlist_get_binary(nvl, "address", &len);
in->sin_family = af;
if (len != sizeof(*in))
return (EINVAL);
memcpy(in, addr, sizeof(*in));
break;
}
#endif
#ifdef INET6
case AF_INET6: {
struct sockaddr_in6 *in6 = (struct sockaddr_in6 *)sa;
size_t len;
const void *addr = nvlist_get_binary(nvl, "address", &len);
in6->sin6_family = af;
if (len != sizeof(*in6))
return (EINVAL);
memcpy(in6, addr, sizeof(*in6));
break;
}
#endif
default:
return (EINVAL);
}
return (0);
}
nvlist_t *
pfsync_sockaddr_to_syncpeer_nvlist(struct sockaddr_storage *sa)
{
nvlist_t *nvl;
nvl = nvlist_create(0);
if (nvl == NULL) {
return (nvl);
}
switch (sa->ss_family) {
#ifdef INET
case AF_INET: {
struct sockaddr_in *in = (struct sockaddr_in *)sa;
nvlist_add_number(nvl, "af", in->sin_family);
nvlist_add_binary(nvl, "address", in, sizeof(*in));
break;
}
#endif
#ifdef INET6
case AF_INET6: {
struct sockaddr_in6 *in6 = (struct sockaddr_in6 *)sa;
nvlist_add_number(nvl, "af", in6->sin6_family);
nvlist_add_binary(nvl, "address", in6, sizeof(*in6));
break;
}
#endif
default:
return NULL;
}
return (nvl);
}
int
pfsync_nvstatus_to_kstatus(const nvlist_t *nvl, struct pfsync_kstatus *status)
{
struct sockaddr_storage addr;
int error;
if (!nvlist_exists_number(nvl, "maxupdates"))
return (EINVAL);
if (!nvlist_exists_number(nvl, "flags"))
return (EINVAL);
status->maxupdates = nvlist_get_number(nvl, "maxupdates");
status->flags = nvlist_get_number(nvl, "flags");
if (nvlist_exists_string(nvl, "syncdev"))
strlcpy(status->syncdev, nvlist_get_string(nvl, "syncdev"),
IFNAMSIZ);
if (nvlist_exists_nvlist(nvl, "syncpeer")) {
memset(&addr, 0, sizeof(addr));
if ((error = pfsync_syncpeer_nvlist_to_sockaddr(nvlist_get_nvlist(nvl, "syncpeer"), &addr)) != 0)
return (error);
status->syncpeer = addr;
} else {
memset(&status->syncpeer, 0, sizeof(status->syncpeer));
}
return (0);
}
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