1 /* 2 * Copyright (c) 2016 Fabien Siron <fabien.siron (at) epita.fr> 3 * Copyright (c) 2017 JingPiao Chen <chenjingpiao (at) gmail.com> 4 * Copyright (c) 2016-2017 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 #include "netlink_route.h" 32 #include "nlattr.h" 33 #include "print_fields.h" 34 35 #include "netlink.h" 36 #include <linux/rtnetlink.h> 37 38 #include "xlat/rtnl_nsid_attrs.h" 39 40 static const nla_decoder_t rtgenmsg_nla_decoders[] = { 41 [NETNSA_NSID] = decode_nla_s32, 42 [NETNSA_PID] = decode_nla_u32, 43 [NETNSA_FD] = decode_nla_fd 44 }; 45 46 DECL_NETLINK_ROUTE_DECODER(decode_rtgenmsg) 47 { 48 struct rtgenmsg rtgenmsg = { .rtgen_family = family }; 49 50 PRINT_FIELD_XVAL("{", rtgenmsg, rtgen_family, addrfams, "AF_???"); 51 tprints("}"); 52 53 const size_t offset = NLMSG_ALIGN(sizeof(rtgenmsg)); 54 if (len > offset) { 55 tprints(", "); 56 decode_nlattr(tcp, addr + offset, len - offset, 57 rtnl_nsid_attrs, "NETNSA_???", 58 rtgenmsg_nla_decoders, 59 ARRAY_SIZE(rtgenmsg_nla_decoders), NULL); 60 } 61 } 62
