1 /*
2 * Copyright (c) 2016 Fabien Siron <fabien.siron@epita.fr>
3 * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
4 * Copyright (c) 2016-2018 The strace developers.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30 #include "defs.h"
31
32 #ifdef HAVE_STRUCT_NETCONFMSG
33
34 # include "netlink_route.h"
35 # include "nlattr.h"
36 # include "print_fields.h"
37
38 # include <linux/netconf.h>
39 # include "netlink.h"
40
41 # include "xlat/rtnl_netconf_attrs.h"
42
43 static const nla_decoder_t netconfmsg_nla_decoders[] = {
44 [NETCONFA_IFINDEX] = decode_nla_ifindex,
45 [NETCONFA_FORWARDING] = decode_nla_s32,
46 [NETCONFA_RP_FILTER] = decode_nla_s32,
47 [NETCONFA_MC_FORWARDING] = decode_nla_s32,
48 [NETCONFA_PROXY_NEIGH] = decode_nla_s32,
49 [NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN] = decode_nla_s32,
50 [NETCONFA_INPUT] = decode_nla_s32,
51 [NETCONFA_BC_FORWARDING] = decode_nla_s32,
52 };
53
DECL_NETLINK_ROUTE_DECODER(decode_netconfmsg)54 DECL_NETLINK_ROUTE_DECODER(decode_netconfmsg)
55 {
56 struct netconfmsg ncm = { .ncm_family = family };
57
58 PRINT_FIELD_XVAL("{", ncm, ncm_family, addrfams, "AF_???");
59 tprints("}");
60
61 const size_t offset = NLMSG_ALIGN(sizeof(ncm));
62 if (len > offset) {
63 tprints(", ");
64 decode_nlattr(tcp, addr + offset, len - offset,
65 rtnl_netconf_attrs, "NETCONFA_???",
66 netconfmsg_nla_decoders,
67 ARRAY_SIZE(netconfmsg_nla_decoders), NULL);
68 }
69 }
70
71 #endif
72