rtnl_message.cc revision 3ef4f53096a10056a26ea38ad85b8a9a12845a9d
1f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart// Copyright (c) 2012 The Chromium OS Authors. All rights reserved. 2dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart// Use of this source code is governed by a BSD-style license that can be 3dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart// found in the LICENSE file. 4dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 5dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart#include "shill/rtnl_message.h" 6dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 7dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart#include <linux/netlink.h> 8dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart#include <linux/rtnetlink.h> 93ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu#include <netinet/in.h> 10a41ab517725d036b63420f8445550246f8f50b99Alex Vakulenko#include <sys/socket.h> 11dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 12b691efd71561246065eae3cdd73a96ca1b8a528dChristopher Wiley#include "shill/logging.h" 133ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu#include "shill/ndisc.h" 14b691efd71561246065eae3cdd73a96ca1b8a528dChristopher Wiley 15dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewartnamespace shill { 16dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 17dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewartstruct RTNLHeader { 18dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart RTNLHeader() { 19dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart memset(this, 0, sizeof(*this)); 20dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart } 21dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart struct nlmsghdr hdr; 22dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart union { 23dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart struct ifinfomsg ifi; 24dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart struct ifaddrmsg ifa; 25dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart struct rtmsg rtm; 26dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart struct rtgenmsg gen; 273ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu struct nduseroptmsg nd_user_opt; 28dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart }; 29dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart}; 30dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 31dd7df792d2401741183a954f3f6e97d4c6de1e22Paul StewartRTNLMessage::RTNLMessage() 329a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart : type_(kTypeUnknown), 339a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart mode_(kModeUnknown), 34dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart flags_(0), 35e636c6945299da860b360c4ed83c318e3ec41edeDarin Petkov seq_(0), 36e636c6945299da860b360c4ed83c318e3ec41edeDarin Petkov pid_(0), 37dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart interface_index_(0), 387355ce1937c504d836a303ac809bd436272212b3Paul Stewart family_(IPAddress::kFamilyUnknown) {} 39dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 409a908080fc2a72dbf06f995b878fc8a3693b725aPaul StewartRTNLMessage::RTNLMessage(Type type, 419a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart Mode mode, 42dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart unsigned int flags, 43dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart uint32 seq, 44dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart uint32 pid, 45dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart int interface_index, 46dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart IPAddress::Family family) 47dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart : type_(type), 48dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart mode_(mode), 49dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart flags_(flags), 50dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart seq_(seq), 51dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart pid_(pid), 52dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart interface_index_(interface_index), 53dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart family_(family) {} 54dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 55dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewartbool RTNLMessage::Decode(const ByteString &msg) { 56dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart bool ret = DecodeInternal(msg); 57dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart if (!ret) { 58f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart Reset(); 59dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart } 60dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart return ret; 61dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart} 62dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 63dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewartbool RTNLMessage::DecodeInternal(const ByteString &msg) { 64dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart const RTNLHeader *hdr = 65dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart reinterpret_cast<const RTNLHeader *>(msg.GetConstData()); 66dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 67dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart if (msg.GetLength() < sizeof(hdr->hdr) || 68dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart msg.GetLength() < hdr->hdr.nlmsg_len) 69dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart return false; 70dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 719a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart Mode mode = kModeUnknown; 72dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart switch (hdr->hdr.nlmsg_type) { 73dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart case RTM_NEWLINK: 74dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart case RTM_NEWADDR: 75dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart case RTM_NEWROUTE: 763ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu case RTM_NEWNDUSEROPT: 779a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart mode = kModeAdd; 78dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart break; 79dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 80dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart case RTM_DELLINK: 81dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart case RTM_DELADDR: 82dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart case RTM_DELROUTE: 839a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart mode = kModeDelete; 84dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart break; 85dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 86dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart default: 87dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart return false; 88dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart } 89dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 90dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart rtattr *attr_data = NULL; 91dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart int attr_length = 0; 92dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 93dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart switch (hdr->hdr.nlmsg_type) { 94dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart case RTM_NEWLINK: 95dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart case RTM_DELLINK: 96dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart if (!DecodeLink(hdr, mode, &attr_data, &attr_length)) 97dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart return false; 98dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart break; 99dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 100dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart case RTM_NEWADDR: 101dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart case RTM_DELADDR: 102dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart if (!DecodeAddress(hdr, mode, &attr_data, &attr_length)) 103dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart return false; 104dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart break; 105dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 106dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart case RTM_NEWROUTE: 107dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart case RTM_DELROUTE: 108dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart if (!DecodeRoute(hdr, mode, &attr_data, &attr_length)) 109dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart return false; 110dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart break; 111dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 1123ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu case RTM_NEWNDUSEROPT: 1133ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu if (!DecodeNdUserOption(hdr, mode, &attr_data, &attr_length)) 1143ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu return false; 1153ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu break; 1163ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu 117dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart default: 118dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart NOTREACHED(); 119dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart } 120dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 121dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart flags_ = hdr->hdr.nlmsg_flags; 122dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart seq_ = hdr->hdr.nlmsg_seq; 123dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart pid_ = hdr->hdr.nlmsg_pid; 124dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 125dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart while (attr_data && RTA_OK(attr_data, attr_length)) { 126dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart SetAttribute( 127dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart attr_data->rta_type, 128dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart ByteString(reinterpret_cast<unsigned char *>(RTA_DATA(attr_data)), 129dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart RTA_PAYLOAD(attr_data))); 130dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart attr_data = RTA_NEXT(attr_data, attr_length); 131dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart } 132dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 133dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart if (attr_length) { 134dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart // We hit a parse error while going through the attributes 135dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart attributes_.clear(); 136dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart return false; 137dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart } 138dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 139dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart return true; 140dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart} 141dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 142dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewartbool RTNLMessage::DecodeLink(const RTNLHeader *hdr, 1439a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart Mode mode, 144dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart rtattr **attr_data, 145dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart int *attr_length) { 146dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart if (hdr->hdr.nlmsg_len < NLMSG_LENGTH(sizeof(hdr->ifi))) { 147dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart return false; 148dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart } 149dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 150dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart mode_ = mode; 151dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart *attr_data = IFLA_RTA(NLMSG_DATA(&hdr->hdr)); 152dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart *attr_length = IFLA_PAYLOAD(&hdr->hdr); 153dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 1549a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart type_ = kTypeLink; 155dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart family_ = hdr->ifi.ifi_family; 156dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart interface_index_ = hdr->ifi.ifi_index; 157dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart set_link_status(LinkStatus(hdr->ifi.ifi_type, 158dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->ifi.ifi_flags, 159dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->ifi.ifi_change)); 160dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart return true; 161dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart} 162dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 163dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewartbool RTNLMessage::DecodeAddress(const RTNLHeader *hdr, 1649a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart Mode mode, 165dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart rtattr **attr_data, 166dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart int *attr_length) { 167dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart if (hdr->hdr.nlmsg_len < NLMSG_LENGTH(sizeof(hdr->ifa))) { 168dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart return false; 169dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart } 170dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart mode_ = mode; 171dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart *attr_data = IFA_RTA(NLMSG_DATA(&hdr->hdr)); 172dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart *attr_length = IFA_PAYLOAD(&hdr->hdr); 173dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 1749a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart type_ = kTypeAddress; 175dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart family_ = hdr->ifa.ifa_family; 176dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart interface_index_ = hdr->ifa.ifa_index; 177dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart set_address_status(AddressStatus(hdr->ifa.ifa_prefixlen, 178dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->ifa.ifa_flags, 179dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->ifa.ifa_scope)); 180dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart return true; 181dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart} 182dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 183dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewartbool RTNLMessage::DecodeRoute(const RTNLHeader *hdr, 1849a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart Mode mode, 185dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart rtattr **attr_data, 186dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart int *attr_length) { 187dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart if (hdr->hdr.nlmsg_len < NLMSG_LENGTH(sizeof(hdr->rtm))) { 188dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart return false; 189dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart } 190dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart mode_ = mode; 191dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart *attr_data = RTM_RTA(NLMSG_DATA(&hdr->hdr)); 192dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart *attr_length = RTM_PAYLOAD(&hdr->hdr); 193dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 1949a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart type_ = kTypeRoute; 195dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart family_ = hdr->rtm.rtm_family; 196dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart set_route_status(RouteStatus(hdr->rtm.rtm_dst_len, 197dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->rtm.rtm_src_len, 198dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->rtm.rtm_table, 199dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->rtm.rtm_protocol, 200dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->rtm.rtm_scope, 201dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->rtm.rtm_type, 202dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->rtm.rtm_flags)); 203dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart return true; 204dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart} 205dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 2063ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiubool RTNLMessage::DecodeNdUserOption(const RTNLHeader *hdr, 2073ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu Mode mode, 2083ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu rtattr **attr_data, 2093ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu int *attr_length) { 2103ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu if (hdr->hdr.nlmsg_len < NLMSG_LENGTH(sizeof(hdr->nd_user_opt))) { 2113ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu return false; 2123ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu } 2133ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu 2143ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu mode_ = mode; 2153ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu interface_index_ = hdr->nd_user_opt.nduseropt_ifindex; 2163ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu family_ = hdr->nd_user_opt.nduseropt_family; 2173ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu 2183ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu // Verify IP family. 2193ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu if (family_ != IPAddress::kFamilyIPv6) { 2203ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu return false; 2213ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu } 2223ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu // Verify message must at-least contain the option header. 2233ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu if (hdr->nd_user_opt.nduseropt_opts_len < sizeof(NDUserOptionHeader)) { 2243ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu return false; 2253ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu } 2263ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu 2273ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu // Parse the option header. 2283ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu const NDUserOptionHeader *nd_user_option_header = 2293ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu reinterpret_cast<const NDUserOptionHeader *>( 2303ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu reinterpret_cast<const uint8 *>(&hdr->nd_user_opt) + 2313ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu sizeof(struct nduseroptmsg)); 2323ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu uint32 lifetime = ntohl(nd_user_option_header->lifetime); 2333ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu 2343ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu // Verify option length. 2353ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu // The length field in the header is in units of 8 octets. 2363ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu int opt_len = static_cast<int>(nd_user_option_header->length) * 8; 2373ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu if (opt_len != hdr->nd_user_opt.nduseropt_opts_len) { 2383ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu return false; 2393ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu } 2403ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu 2413ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu // Determine option data pointer and data length. 2423ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu const uint8 *option_data = 2433ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu reinterpret_cast<const uint8 *>(nd_user_option_header + 1); 2443ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu int data_len = opt_len - sizeof(NDUserOptionHeader); 2453ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu 2463ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu if (nd_user_option_header->type == ND_OPT_DNSSL) { 2473ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu // TODO(zqiu): Parse DNSSL (DNS Search List) option. 2483ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu type_ = kTypeDnssl; 2493ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu return true; 2503ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu } else if (nd_user_option_header->type == ND_OPT_RDNSS) { 2513ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu // Parse RNDSS (Recursive DNS Server) option. 2523ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu type_ = kTypeRdnss; 2533ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu return ParseRdnssOption(option_data, data_len, lifetime); 2543ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu } 2553ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu 2563ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu return false; 2573ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu} 2583ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu 2593ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiubool RTNLMessage::ParseRdnssOption(const uint8 *data, 2603ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu int length, 2613ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu uint32 lifetime) { 2623ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu const int addr_length = IPAddress::GetAddressLength(IPAddress::kFamilyIPv6); 2633ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu 2643ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu // Verify data size are multiple of individual address size. 2653ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu if (length % addr_length != 0) { 2663ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu return false; 2673ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu } 2683ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu 2693ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu // Parse the DNS server addresses. 2703ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu std::vector<IPAddress> dns_server_addresses; 2713ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu while (length > 0) { 2723ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu dns_server_addresses.push_back( 2733ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu IPAddress(IPAddress::kFamilyIPv6, 2743ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu ByteString(data, addr_length))); 2753ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu length -= addr_length; 2763ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu data += addr_length; 2773ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu } 2783ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu set_rdnss_option(RdnssOption(lifetime, dns_server_addresses)); 2793ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu return true; 2803ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu} 2813ef4f53096a10056a26ea38ad85b8a9a12845a9dPeter Qiu 282f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul StewartByteString RTNLMessage::Encode() const { 2839a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart if (type_ != kTypeLink && 2849a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart type_ != kTypeAddress && 2859a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart type_ != kTypeRoute) { 286dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart return ByteString(); 287dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart } 288dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 289dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart RTNLHeader hdr; 290dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr.hdr.nlmsg_flags = flags_; 291dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr.hdr.nlmsg_seq = seq_; 292dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr.hdr.nlmsg_pid = pid_; 293dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 2949a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart if (mode_ == kModeGet) { 2959a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart if (type_ == kTypeLink) { 296dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr.hdr.nlmsg_type = RTM_GETLINK; 2979a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart } else if (type_ == kTypeAddress) { 298dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr.hdr.nlmsg_type = RTM_GETADDR; 2999a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart } else if (type_ == kTypeRoute) { 300dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr.hdr.nlmsg_type = RTM_GETROUTE; 301f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart } else { 302f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart NOTIMPLEMENTED(); 303f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart return ByteString(); 304dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart } 305dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(hdr.gen)); 3069a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart hdr.hdr.nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP; 307dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr.gen.rtgen_family = family_; 308dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart } else { 309dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart switch (type_) { 3109a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart case kTypeLink: 311f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart if (!EncodeLink(&hdr)) { 312f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart return ByteString(); 313f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart } 314dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart break; 315dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 3169a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart case kTypeAddress: 317f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart if (!EncodeAddress(&hdr)) { 318f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart return ByteString(); 319f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart } 320dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart break; 321dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 3229a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart case kTypeRoute: 323f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart if (!EncodeRoute(&hdr)) { 324f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart return ByteString(); 325f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart } 326dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart break; 327dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 328dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart default: 329dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart NOTREACHED(); 330dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart } 331dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart } 332dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 333dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart size_t header_length = hdr.hdr.nlmsg_len; 334dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart ByteString attributes; 335dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 3368a5322984f2d81bcbfd8d44c59747a11bd9b904bAlex Vakulenko for (auto attr = attributes_.begin(); attr != attributes_.end(); ++attr) { 337dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart size_t len = RTA_LENGTH(attr->second.GetLength()); 338dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr.hdr.nlmsg_len = NLMSG_ALIGN(hdr.hdr.nlmsg_len) + RTA_ALIGN(len); 339dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 3408a5322984f2d81bcbfd8d44c59747a11bd9b904bAlex Vakulenko struct rtattr rt_attr = { 3418a5322984f2d81bcbfd8d44c59747a11bd9b904bAlex Vakulenko static_cast<unsigned short>(len), // NOLINT(runtime/int) 3428a5322984f2d81bcbfd8d44c59747a11bd9b904bAlex Vakulenko attr->first 3438a5322984f2d81bcbfd8d44c59747a11bd9b904bAlex Vakulenko }; 344dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart ByteString attr_header(reinterpret_cast<unsigned char *>(&rt_attr), 345dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart sizeof(rt_attr)); 346dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart attr_header.Resize(RTA_ALIGN(attr_header.GetLength())); 347dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart attributes.Append(attr_header); 348dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 349dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart ByteString attr_data(attr->second); 350dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart attr_data.Resize(RTA_ALIGN(attr_data.GetLength())); 351dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart attributes.Append(attr_data); 352dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart } 353dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 354dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart ByteString packet(reinterpret_cast<unsigned char *>(&hdr), header_length); 355dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart packet.Append(attributes); 356dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 357dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart return packet; 358dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart} 359dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 360f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewartbool RTNLMessage::EncodeLink(RTNLHeader *hdr) const { 361f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart switch (mode_) { 362f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart case kModeAdd: 363f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart hdr->hdr.nlmsg_type = RTM_NEWLINK; 364f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart break; 365f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart case kModeDelete: 366f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart hdr->hdr.nlmsg_type = RTM_DELLINK; 367f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart break; 368f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart case kModeQuery: 369f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart hdr->hdr.nlmsg_type = RTM_GETLINK; 370f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart break; 371f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart default: 372f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart NOTIMPLEMENTED(); 373f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart return false; 374f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart } 375dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->hdr.nlmsg_len = NLMSG_LENGTH(sizeof(hdr->ifi)); 376dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->ifi.ifi_family = family_; 377cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart hdr->ifi.ifi_index = interface_index_; 378dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->ifi.ifi_type = link_status_.type; 379dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->ifi.ifi_flags = link_status_.flags; 380dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->ifi.ifi_change = link_status_.change; 381f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart return true; 382dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart} 383dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 384f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewartbool RTNLMessage::EncodeAddress(RTNLHeader *hdr) const { 385f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart switch (mode_) { 386f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart case kModeAdd: 387f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart hdr->hdr.nlmsg_type = RTM_NEWADDR; 388f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart break; 389f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart case kModeDelete: 390f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart hdr->hdr.nlmsg_type = RTM_DELADDR; 391f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart break; 392f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart case kModeQuery: 393f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart hdr->hdr.nlmsg_type = RTM_GETADDR; 394f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart break; 395f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart default: 396f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart NOTIMPLEMENTED(); 397f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart return false; 398f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart } 399dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->hdr.nlmsg_len = NLMSG_LENGTH(sizeof(hdr->ifa)); 400dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->ifa.ifa_family = family_; 401dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->ifa.ifa_prefixlen = address_status_.prefix_len; 402dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->ifa.ifa_flags = address_status_.flags; 403dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->ifa.ifa_scope = address_status_.scope; 404dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->ifa.ifa_index = interface_index_; 405f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart return true; 406dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart} 407dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 408f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewartbool RTNLMessage::EncodeRoute(RTNLHeader *hdr) const { 409f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart switch (mode_) { 410f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart case kModeAdd: 411f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart hdr->hdr.nlmsg_type = RTM_NEWROUTE; 412f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart break; 413f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart case kModeDelete: 414f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart hdr->hdr.nlmsg_type = RTM_DELROUTE; 415f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart break; 416f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart case kModeQuery: 417f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart hdr->hdr.nlmsg_type = RTM_GETROUTE; 418f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart break; 419f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart default: 420f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart NOTIMPLEMENTED(); 421f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart return false; 422f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart } 423dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->hdr.nlmsg_len = NLMSG_LENGTH(sizeof(hdr->rtm)); 424dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->rtm.rtm_family = family_; 425dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->rtm.rtm_dst_len = route_status_.dst_prefix; 426dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->rtm.rtm_src_len = route_status_.src_prefix; 427dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->rtm.rtm_table = route_status_.table; 428dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->rtm.rtm_protocol = route_status_.protocol; 429dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->rtm.rtm_scope = route_status_.scope; 430dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->rtm.rtm_type = route_status_.type; 431dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart hdr->rtm.rtm_flags = route_status_.flags; 432f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart return true; 433f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart} 434f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart 435f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewartvoid RTNLMessage::Reset() { 436f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart mode_ = kModeUnknown; 437f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart type_ = kTypeUnknown; 438f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart flags_ = 0; 439f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart seq_ = 0; 440e636c6945299da860b360c4ed83c318e3ec41edeDarin Petkov pid_ = 0; 441f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart interface_index_ = 0; 442f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart family_ = IPAddress::kFamilyUnknown; 443f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart link_status_ = LinkStatus(); 444f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart address_status_ = AddressStatus(); 445f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart route_status_ = RouteStatus(); 446f748a36f2cde2b1ac7fc543cc710c81cb431cc2fPaul Stewart attributes_.clear(); 447dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart} 448dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart 449dd7df792d2401741183a954f3f6e97d4c6de1e22Paul Stewart} // namespace shill 450