strace/rtnl_netconf.c
JingPiao Chen aa01963208 rtnl_netconf: decode netconfmsg netlink attributes
* rtnl_netconf.c (netconfmsg_nla_decoders): New array.
(decode_netconfmsg): Use it.
2017-08-29 15:23:59 +08:00

71 lines
2.6 KiB
C

/*
* Copyright (c) 2016 Fabien Siron <fabien.siron@epita.fr>
* Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
* Copyright (c) 2016-2017 The strace developers.
* All rights reserved.
*
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 "defs.h"
#ifdef HAVE_STRUCT_NETCONFMSG
# include "netlink_route.h"
# include "nlattr.h"
# include "print_fields.h"
# include <linux/netconf.h>
# include "netlink.h"
# include "xlat/rtnl_netconf_attrs.h"
static const nla_decoder_t netconfmsg_nla_decoders[] = {
[NETCONFA_IFINDEX] = decode_nla_ifindex,
[NETCONFA_FORWARDING] = decode_nla_s32,
[NETCONFA_RP_FILTER] = decode_nla_s32,
[NETCONFA_MC_FORWARDING] = decode_nla_s32,
[NETCONFA_PROXY_NEIGH] = decode_nla_s32,
[NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN] = decode_nla_s32,
[NETCONFA_INPUT] = decode_nla_s32
};
DECL_NETLINK_ROUTE_DECODER(decode_netconfmsg)
{
struct netconfmsg ncm = { .ncm_family = family };
PRINT_FIELD_XVAL("{", ncm, ncm_family, addrfams, "AF_???");
tprints("}");
const size_t offset = NLMSG_ALIGN(sizeof(ncm));
if (len > offset) {
tprints(", ");
decode_nlattr(tcp, addr + offset, len - offset,
rtnl_netconf_attrs, "NETCONFA_???",
netconfmsg_nla_decoders,
ARRAY_SIZE(netconfmsg_nla_decoders), NULL);
}
}
#endif