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Gunnar Mills57d9c502018-09-14 14:42:34 -05001#include "config.h"
2
Ratan Gupta6811f822017-04-14 16:34:56 +05303#include "network_manager.hpp"
Patrick Venture189d44e2018-07-09 12:30:59 -07004
Ratan Gupta5978dd12017-07-25 13:47:13 +05305#include "ipaddress.hpp"
Patrick Venture189d44e2018-07-09 12:30:59 -07006#include "network_config.hpp"
William A. Kennington III3a70fa22018-09-20 18:48:20 -07007#include "types.hpp"
Patrick Venture189d44e2018-07-09 12:30:59 -07008#include "util.hpp"
Ratan Gupta738a67f2017-04-21 10:38:05 +05309
Ratan Gupta6811f822017-04-14 16:34:56 +053010#include <arpa/inet.h>
11#include <dirent.h>
12#include <net/if.h>
13
Patrick Venture189d44e2018-07-09 12:30:59 -070014#include <algorithm>
15#include <bitset>
Manojkiran Edacc099a82020-05-11 14:25:16 +053016#include <filesystem>
Patrick Venture189d44e2018-07-09 12:30:59 -070017#include <fstream>
18#include <map>
19#include <phosphor-logging/elog-errors.hpp>
20#include <phosphor-logging/log.hpp>
Michael Tritz29f2fd62017-05-22 15:27:26 -050021#include <string>
Patrick Venture189d44e2018-07-09 12:30:59 -070022#include <xyz/openbmc_project/Common/error.hpp>
Ratan Gupta6811f822017-04-14 16:34:56 +053023
William A. Kennington IIIf1aa51c2019-02-12 19:58:11 -080024constexpr char SYSTEMD_BUSNAME[] = "org.freedesktop.systemd1";
25constexpr char SYSTEMD_PATH[] = "/org/freedesktop/systemd1";
26constexpr char SYSTEMD_INTERFACE[] = "org.freedesktop.systemd1.Manager";
Manojkiran Edacc099a82020-05-11 14:25:16 +053027constexpr auto FirstBootFile = "/var/lib/network/firstBoot_";
William A. Kennington IIIf1aa51c2019-02-12 19:58:11 -080028
William A. Kennington III56ecc782021-10-07 18:44:50 -070029constexpr char NETWORKD_BUSNAME[] = "org.freedesktop.network1";
30constexpr char NETWORKD_PATH[] = "/org/freedesktop/network1";
31constexpr char NETWORKD_INTERFACE[] = "org.freedesktop.network1.Manager";
32
Ratan Gupta6811f822017-04-14 16:34:56 +053033namespace phosphor
34{
35namespace network
36{
Ratan Gupta82549cc2017-04-21 08:45:23 +053037
William A. Kennington IIIc7cf25f2021-11-09 16:16:59 -080038extern std::unique_ptr<Timer> reloadTimer;
Ratan Gupta6811f822017-04-14 16:34:56 +053039using namespace phosphor::logging;
Ratan Guptaef85eb92017-06-15 08:57:54 +053040using namespace sdbusplus::xyz::openbmc_project::Common::Error;
Jiaqing Zhaob685cb62022-04-12 22:57:34 +080041using Argument = xyz::openbmc_project::Common::InvalidArgument;
Ratan Gupta6811f822017-04-14 16:34:56 +053042
Patrick Williamsc38b0712022-07-22 19:26:54 -050043Manager::Manager(sdbusplus::bus_t& bus, const char* objPath,
Gunnar Mills57d9c502018-09-14 14:42:34 -050044 const std::string& path) :
Patrick Williams166b9592022-03-30 16:09:16 -050045 details::VLANCreateIface(bus, objPath,
46 details::VLANCreateIface::action::defer_emit),
Gunnar Mills57d9c502018-09-14 14:42:34 -050047 bus(bus), objectPath(objPath)
Ratan Gupta6811f822017-04-14 16:34:56 +053048{
Ratan Gupta255d5142017-08-10 09:02:08 +053049 fs::path confDir(path);
50 setConfDir(confDir);
Ratan Guptaef85eb92017-06-15 08:57:54 +053051}
52
Ratan Guptab610caf2017-09-19 09:33:51 +053053bool Manager::createDefaultNetworkFiles(bool force)
54{
55 auto isCreated = false;
56 try
57 {
58 // Directory would have created before with
59 // setConfDir function.
60 if (force)
61 {
62 // Factory Reset case
63 // we need to forcefully write the files
64 // so delete the existing ones.
65 if (fs::is_directory(confDir))
66 {
67 for (const auto& file : fs::directory_iterator(confDir))
68 {
69 fs::remove(file.path());
70 }
71 }
72 }
73
74 auto interfaceStrList = getInterfaces();
75 for (const auto& interface : interfaceStrList)
76 {
Michael Tritz08c34f42017-10-16 14:59:09 -050077 // if the interface has '.' in the name, it means that this is a
78 // VLAN - don't create the network file.
79 if (interface.find(".") != std::string::npos)
80 {
81 continue;
82 }
83
Ratan Guptab610caf2017-09-19 09:33:51 +053084 auto fileName = systemd::config::networkFilePrefix + interface +
Gunnar Mills57d9c502018-09-14 14:42:34 -050085 systemd::config::networkFileSuffix;
Ratan Guptab610caf2017-09-19 09:33:51 +053086
87 fs::path filePath = confDir;
88 filePath /= fileName;
89
90 // create the interface specific network file
91 // if not exist or we forcefully wants to write
92 // the network file.
93
94 if (force || !fs::is_regular_file(filePath.string()))
95 {
96 bmc::writeDHCPDefault(filePath.string(), interface);
97 log<level::INFO>("Created the default network file.",
Gunnar Mills57d9c502018-09-14 14:42:34 -050098 entry("INTERFACE=%s", interface.c_str()));
Ratan Guptab610caf2017-09-19 09:33:51 +053099 isCreated = true;
100 }
101 }
102 }
Patrick Williams5758db32021-10-06 12:29:22 -0500103 catch (const std::exception& e)
Ratan Guptab610caf2017-09-19 09:33:51 +0530104 {
105 log<level::ERR>("Unable to create the default network file");
106 }
Alexander Filippov1ea35992021-03-26 13:10:05 +0300107
Ratan Guptab610caf2017-09-19 09:33:51 +0530108 return isCreated;
109}
110
Ratan Guptaef85eb92017-06-15 08:57:54 +0530111void Manager::setConfDir(const fs::path& dir)
112{
113 confDir = dir;
Ratan Gupta255d5142017-08-10 09:02:08 +0530114
115 if (!fs::exists(confDir))
116 {
117 if (!fs::create_directories(confDir))
118 {
119 log<level::ERR>("Unable to create the network conf dir",
120 entry("DIR=%s", confDir.c_str()));
121 elog<InternalFailure>();
122 }
123 }
Ratan Gupta29b0e432017-05-25 12:51:40 +0530124}
125
126void Manager::createInterfaces()
127{
Gunnar Mills57d9c502018-09-14 14:42:34 -0500128 // clear all the interfaces first
Ratan Guptaef85eb92017-06-15 08:57:54 +0530129 interfaces.clear();
Ratan Gupta29b0e432017-05-25 12:51:40 +0530130
Ratan Guptafd4b0f02017-09-16 06:01:24 +0530131 auto interfaceStrList = getInterfaces();
Ratan Gupta6811f822017-04-14 16:34:56 +0530132
Ratan Guptafd4b0f02017-09-16 06:01:24 +0530133 for (auto& interface : interfaceStrList)
Ratan Gupta6811f822017-04-14 16:34:56 +0530134 {
Ratan Gupta29b0e432017-05-25 12:51:40 +0530135 fs::path objPath = objectPath;
Ratan Guptafd4b0f02017-09-16 06:01:24 +0530136 auto index = interface.find(".");
Ratan Gupta92bc2fe2017-07-26 22:40:21 +0530137
138 // interface can be of vlan type or normal ethernet interface.
139 // vlan interface looks like "interface.vlanid",so here by looking
140 // at the interface name we decide that we need
141 // to create the vlaninterface or normal physical interface.
142 if (index != std::string::npos)
143 {
Gunnar Mills57d9c502018-09-14 14:42:34 -0500144 // it is vlan interface
Ratan Guptafd4b0f02017-09-16 06:01:24 +0530145 auto interfaceName = interface.substr(0, index);
146 auto vlanid = interface.substr(index + 1);
Ratan Gupta92bc2fe2017-07-26 22:40:21 +0530147 uint32_t vlanInt = std::stoul(vlanid);
148
Ratan Guptafd4b0f02017-09-16 06:01:24 +0530149 interfaces[interfaceName]->loadVLAN(vlanInt);
Ratan Gupta6e8df632017-08-13 09:41:58 +0530150 continue;
Ratan Gupta92bc2fe2017-07-26 22:40:21 +0530151 }
Ratan Guptafd4b0f02017-09-16 06:01:24 +0530152 // normal ethernet interface
153 objPath /= interface;
Ratan Gupta6811f822017-04-14 16:34:56 +0530154
Ratan Guptafd4b0f02017-09-16 06:01:24 +0530155 auto dhcp = getDHCPValue(confDir, interface);
Ratan Gupta34f96d62017-06-15 09:16:22 +0530156
Gunnar Mills57d9c502018-09-14 14:42:34 -0500157 auto intf = std::make_shared<phosphor::network::EthernetInterface>(
158 bus, objPath.string(), dhcp, *this);
Ratan Gupta92bc2fe2017-07-26 22:40:21 +0530159
160 intf->createIPAddressObjects();
William A. Kennington III08505792019-01-30 16:00:04 -0800161 intf->createStaticNeighborObjects();
Manojkiran Edaacd6dd52019-10-15 15:00:51 +0530162 intf->loadNameServers();
Ratan Gupta92bc2fe2017-07-26 22:40:21 +0530163
Gunnar Mills57d9c502018-09-14 14:42:34 -0500164 this->interfaces.emplace(
165 std::make_pair(std::move(interface), std::move(intf)));
Ratan Gupta6811f822017-04-14 16:34:56 +0530166 }
167}
168
Ratan Guptaef85eb92017-06-15 08:57:54 +0530169void Manager::createChildObjects()
170{
William A. Kennington IIIe0564842021-10-23 16:02:22 -0700171 routeTable.refresh();
172
Ratan Guptaef85eb92017-06-15 08:57:54 +0530173 // creates the ethernet interface dbus object.
174 createInterfaces();
Ratan Guptae05083a2017-09-16 07:12:11 +0530175
176 systemConf.reset(nullptr);
177 dhcpConf.reset(nullptr);
178
Ratan Guptaef85eb92017-06-15 08:57:54 +0530179 fs::path objPath = objectPath;
180 objPath /= "config";
Ratan Guptae05083a2017-09-16 07:12:11 +0530181
182 // create the system conf object.
Ratan Guptaef85eb92017-06-15 08:57:54 +0530183 systemConf = std::make_unique<phosphor::network::SystemConfiguration>(
Jiaqing Zhao24b5a612022-04-11 16:46:16 +0800184 bus, objPath.string());
Ratan Guptad16f88c2017-07-11 17:47:57 +0530185 // create the dhcp conf object.
186 objPath /= "dhcp";
187 dhcpConf = std::make_unique<phosphor::network::dhcp::Configuration>(
Gunnar Mills57d9c502018-09-14 14:42:34 -0500188 bus, objPath.string(), *this);
Ratan Guptaef85eb92017-06-15 08:57:54 +0530189}
190
Patrick Williams8173e022021-05-01 06:39:41 -0500191ObjectPath Manager::vlan(IntfName interfaceName, uint32_t id)
Ratan Gupta6811f822017-04-14 16:34:56 +0530192{
sureshvijayv1ee2cba82021-11-18 15:28:50 +0530193 if (!hasInterface(interfaceName))
194 {
Patrick Williams97399842022-03-16 14:14:02 -0500195 using ResourceErr =
196 phosphor::logging::xyz::openbmc_project::Common::ResourceNotFound;
197 elog<ResourceNotFound>(ResourceErr::RESOURCE(interfaceName.c_str()));
sureshvijayv1ee2cba82021-11-18 15:28:50 +0530198 }
199
Jiaqing Zhaob685cb62022-04-12 22:57:34 +0800200 if (id == 0 || id >= 4095)
201 {
202 log<level::ERR>("VLAN ID is not valid", entry("VLANID=%u", id));
203 elog<InvalidArgument>(
204 Argument::ARGUMENT_NAME("VLANId"),
205 Argument::ARGUMENT_VALUE(std::to_string(id).c_str()));
206 }
207
William A. Kennington IIIf4b4ff82019-04-09 19:06:52 -0700208 return interfaces[interfaceName]->createVLAN(id);
Ratan Gupta6811f822017-04-14 16:34:56 +0530209}
210
Michael Tritz29f2fd62017-05-22 15:27:26 -0500211void Manager::reset()
212{
Gunnar Mills57d9c502018-09-14 14:42:34 -0500213 if (!createDefaultNetworkFiles(true))
Michael Tritz29f2fd62017-05-22 15:27:26 -0500214 {
Ratan Guptab610caf2017-09-19 09:33:51 +0530215 log<level::ERR>("Network Factory Reset failed.");
216 return;
217 // TODO: openbmc/openbmc#1721 - Log ResetFailed error here.
Michael Tritz29f2fd62017-05-22 15:27:26 -0500218 }
219
Ratan Guptab610caf2017-09-19 09:33:51 +0530220 log<level::INFO>("Network Factory Reset done.");
Michael Tritz29f2fd62017-05-22 15:27:26 -0500221}
222
Ratan Gupta4f1c18b2017-05-25 12:59:35 +0530223// Need to merge the below function with the code which writes the
224// config file during factory reset.
Gunnar Mills57d9c502018-09-14 14:42:34 -0500225// TODO openbmc/openbmc#1751
Ratan Gupta4f1c18b2017-05-25 12:59:35 +0530226void Manager::writeToConfigurationFile()
227{
228 // write all the static ip address in the systemd-network conf file
Ratan Gupta4f1c18b2017-05-25 12:59:35 +0530229 for (const auto& intf : interfaces)
230 {
Ratan Gupta2b106532017-07-25 16:05:02 +0530231 intf.second->writeConfigurationFile();
Ratan Gupta4f1c18b2017-05-25 12:59:35 +0530232 }
Ratan Guptae05083a2017-09-16 07:12:11 +0530233}
234
William A. Kennington III6f39c5e2021-05-13 18:39:23 -0700235#ifdef SYNC_MAC_FROM_INVENTORY
Manojkiran Edacc099a82020-05-11 14:25:16 +0530236void Manager::setFistBootMACOnInterface(
237 const std::pair<std::string, std::string>& inventoryEthPair)
238{
239 for (const auto& interface : interfaces)
240 {
241 if (interface.first == inventoryEthPair.first)
242 {
243 auto returnMAC =
Patrick Williams6aef7692021-05-01 06:39:41 -0500244 interface.second->macAddress(inventoryEthPair.second);
Manojkiran Edacc099a82020-05-11 14:25:16 +0530245 if (returnMAC == inventoryEthPair.second)
246 {
247 log<level::INFO>("Set the MAC on "),
248 entry("interface : ", interface.first.c_str()),
249 entry("MAC : ", inventoryEthPair.second.c_str());
250 std::error_code ec;
251 if (std::filesystem::is_directory("/var/lib/network", ec))
252 {
253 std::ofstream persistentFile(FirstBootFile +
254 interface.first);
255 }
256 break;
257 }
258 else
259 {
260 log<level::INFO>("MAC is Not Set on ethernet Interface");
261 }
262 }
263 }
264}
265
266#endif
267
William A. Kennington III56ecc782021-10-07 18:44:50 -0700268void Manager::reloadConfigs()
269{
William A. Kennington IIIc7cf25f2021-11-09 16:16:59 -0800270 reloadTimer->restartOnce(reloadTimeout);
271}
272
273void Manager::doReloadConfigs()
274{
William A. Kennington III6ff633a2021-11-09 17:09:12 -0800275 for (auto& hook : reloadPreHooks)
276 {
277 try
278 {
279 hook();
280 }
281 catch (const std::exception& ex)
282 {
283 log<level::ERR>("Failed executing reload hook, ignoring",
284 entry("ERR=%s", ex.what()));
285 }
286 }
287 reloadPreHooks.clear();
William A. Kennington III56ecc782021-10-07 18:44:50 -0700288 try
289 {
290 auto method = bus.new_method_call(NETWORKD_BUSNAME, NETWORKD_PATH,
291 NETWORKD_INTERFACE, "Reload");
292 bus.call_noreply(method);
293 }
Patrick Williamsc38b0712022-07-22 19:26:54 -0500294 catch (const sdbusplus::exception_t& ex)
William A. Kennington III56ecc782021-10-07 18:44:50 -0700295 {
296 log<level::ERR>("Failed to reload configuration",
297 entry("ERR=%s", ex.what()));
298 elog<InternalFailure>();
299 }
300}
301
Gunnar Mills57d9c502018-09-14 14:42:34 -0500302} // namespace network
303} // namespace phosphor