2 * Copyright (c) 2016 Fabien Siron <fabien.siron@epita.fr>
3 * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
4 * Copyright (c) 2016-2017 The strace developers.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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.
31 #include "netlink_route.h"
33 #include "print_fields.h"
36 #include <linux/rtnetlink.h>
37 #ifdef HAVE_LINUX_IF_ADDR_H
38 # include <linux/if_addr.h>
41 #include "xlat/ifaddrflags.h"
42 #include "xlat/routing_scopes.h"
43 #include "xlat/rtnl_addr_attrs.h"
45 DECL_NETLINK_ROUTE_DECODER(decode_ifaddrmsg)
47 struct ifaddrmsg ifaddr = { .ifa_family = family };
48 size_t offset = sizeof(ifaddr.ifa_family);
49 bool decode_nla = false;
51 PRINT_FIELD_XVAL("{", ifaddr, ifa_family, addrfams, "AF_???");
54 if (len >= sizeof(ifaddr)) {
55 if (!umoven_or_printaddr(tcp, addr + offset,
56 sizeof(ifaddr) - offset,
57 (void *) &ifaddr + offset)) {
58 PRINT_FIELD_U("", ifaddr, ifa_prefixlen);
59 PRINT_FIELD_FLAGS(", ", ifaddr, ifa_flags,
60 ifaddrflags, "IFA_F_???");
61 PRINT_FIELD_XVAL(", ", ifaddr, ifa_scope,
62 routing_scopes, NULL);
63 PRINT_FIELD_IFINDEX(", ", ifaddr, ifa_index);
70 offset = NLMSG_ALIGN(sizeof(ifaddr));
71 if (decode_nla && len > offset) {
73 decode_nlattr(tcp, addr + offset, len - offset,
74 rtnl_addr_attrs, "IFA_???", NULL, 0, NULL);