xref: /openbmc/bmcweb/features/redfish/lib/ethernet.hpp (revision bf648f77793d4e77ad5038c06b44846fd1901b5c) 
1 /*
2 // Copyright (c) 2018 Intel Corporation
3 //
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
7 //
8 //      http://www.apache.org/licenses/LICENSE-2.0
9 //
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
15 */
16 #pragma once
17 
18 #include <app.hpp>
19 #include <boost/container/flat_map.hpp>
20 #include <boost/container/flat_set.hpp>
21 #include <dbus_singleton.hpp>
22 #include <error_messages.hpp>
23 #include <node.hpp>
24 #include <utils/json_utils.hpp>
25 
26 #include <optional>
27 #include <regex>
28 #include <variant>
29 
30 namespace redfish
31 {
32 
33 /**
34  * DBus types primitives for several generic DBus interfaces
35  * TODO(Pawel) consider move this to separate file into boost::dbus
36  */
37 using PropertiesMapType = boost::container::flat_map<
38     std::string, std::variant<std::string, bool, uint8_t, int16_t, uint16_t,
39                               int32_t, uint32_t, int64_t, uint64_t, double>>;
40 
41 using GetManagedObjects = std::vector<std::pair<
42     sdbusplus::message::object_path,
43     std::vector<std::pair<
44         std::string,
45         boost::container::flat_map<
46             std::string,
47             std::variant<std::string, bool, uint8_t, int16_t, uint16_t, int32_t,
48                          uint32_t, int64_t, uint64_t, double,
49                          std::vector<std::string>>>>>>>;
50 
51 enum class LinkType
52 {
53     Local,
54     Global
55 };
56 
57 /**
58  * Structure for keeping IPv4 data required by Redfish
59  */
60 struct IPv4AddressData
61 {
62     std::string id;
63     std::string address;
64     std::string domain;
65     std::string gateway;
66     std::string netmask;
67     std::string origin;
68     LinkType linktype;
69     bool isActive;
70 
71     bool operator<(const IPv4AddressData& obj) const
72     {
73         return id < obj.id;
74     }
75 };
76 
77 /**
78  * Structure for keeping IPv6 data required by Redfish
79  */
80 struct IPv6AddressData
81 {
82     std::string id;
83     std::string address;
84     std::string origin;
85     uint8_t prefixLength;
86 
87     bool operator<(const IPv6AddressData& obj) const
88     {
89         return id < obj.id;
90     }
91 };
92 /**
93  * Structure for keeping basic single Ethernet Interface information
94  * available from DBus
95  */
96 struct EthernetInterfaceData
97 {
98     uint32_t speed;
99     bool auto_neg;
100     bool DNSEnabled;
101     bool NTPEnabled;
102     bool HostNameEnabled;
103     bool SendHostNameEnabled;
104     bool linkUp;
105     bool nicEnabled;
106     std::string DHCPEnabled;
107     std::string operatingMode;
108     std::string hostname;
109     std::string default_gateway;
110     std::string ipv6_default_gateway;
111     std::string mac_address;
112     std::vector<std::uint32_t> vlan_id;
113     std::vector<std::string> nameServers;
114     std::vector<std::string> staticNameServers;
115     std::vector<std::string> domainnames;
116 };
117 
118 struct DHCPParameters
119 {
120     std::optional<bool> dhcpv4Enabled;
121     std::optional<bool> useDNSServers;
122     std::optional<bool> useNTPServers;
123     std::optional<bool> useUseDomainName;
124     std::optional<std::string> dhcpv6OperatingMode;
125 };
126 
127 // Helper function that changes bits netmask notation (i.e. /24)
128 // into full dot notation
129 inline std::string getNetmask(unsigned int bits)
130 {
131     uint32_t value = 0xffffffff << (32 - bits);
132     std::string netmask = std::to_string((value >> 24) & 0xff) + "." +
133                           std::to_string((value >> 16) & 0xff) + "." +
134                           std::to_string((value >> 8) & 0xff) + "." +
135                           std::to_string(value & 0xff);
136     return netmask;
137 }
138 
139 inline bool translateDHCPEnabledToBool(const std::string& inputDHCP,
140                                        bool isIPv4)
141 {
142     if (isIPv4)
143     {
144         return (
145             (inputDHCP ==
146              "xyz.openbmc_project.Network.EthernetInterface.DHCPConf.v4") ||
147             (inputDHCP ==
148              "xyz.openbmc_project.Network.EthernetInterface.DHCPConf.both"));
149     }
150     return ((inputDHCP ==
151              "xyz.openbmc_project.Network.EthernetInterface.DHCPConf.v6") ||
152             (inputDHCP ==
153              "xyz.openbmc_project.Network.EthernetInterface.DHCPConf.both"));
154 }
155 
156 inline std::string getDhcpEnabledEnumeration(bool isIPv4, bool isIPv6)
157 {
158     if (isIPv4 && isIPv6)
159     {
160         return "xyz.openbmc_project.Network.EthernetInterface.DHCPConf.both";
161     }
162     if (isIPv4)
163     {
164         return "xyz.openbmc_project.Network.EthernetInterface.DHCPConf.v4";
165     }
166     if (isIPv6)
167     {
168         return "xyz.openbmc_project.Network.EthernetInterface.DHCPConf.v6";
169     }
170     return "xyz.openbmc_project.Network.EthernetInterface.DHCPConf.none";
171 }
172 
173 inline std::string
174     translateAddressOriginDbusToRedfish(const std::string& inputOrigin,
175                                         bool isIPv4)
176 {
177     if (inputOrigin == "xyz.openbmc_project.Network.IP.AddressOrigin.Static")
178     {
179         return "Static";
180     }
181     if (inputOrigin == "xyz.openbmc_project.Network.IP.AddressOrigin.LinkLocal")
182     {
183         if (isIPv4)
184         {
185             return "IPv4LinkLocal";
186         }
187         return "LinkLocal";
188     }
189     if (inputOrigin == "xyz.openbmc_project.Network.IP.AddressOrigin.DHCP")
190     {
191         if (isIPv4)
192         {
193             return "DHCP";
194         }
195         return "DHCPv6";
196     }
197     if (inputOrigin == "xyz.openbmc_project.Network.IP.AddressOrigin.SLAAC")
198     {
199         return "SLAAC";
200     }
201     return "";
202 }
203 
204 inline bool extractEthernetInterfaceData(const std::string& ethifaceId,
205                                          GetManagedObjects& dbusData,
206                                          EthernetInterfaceData& ethData)
207 {
208     bool idFound = false;
209     for (auto& objpath : dbusData)
210     {
211         for (auto& ifacePair : objpath.second)
212         {
213             if (objpath.first == "/xyz/openbmc_project/network/" + ethifaceId)
214             {
215                 idFound = true;
216                 if (ifacePair.first == "xyz.openbmc_project.Network.MACAddress")
217                 {
218                     for (const auto& propertyPair : ifacePair.second)
219                     {
220                         if (propertyPair.first == "MACAddress")
221                         {
222                             const std::string* mac =
223                                 std::get_if<std::string>(&propertyPair.second);
224                             if (mac != nullptr)
225                             {
226                                 ethData.mac_address = *mac;
227                             }
228                         }
229                     }
230                 }
231                 else if (ifacePair.first == "xyz.openbmc_project.Network.VLAN")
232                 {
233                     for (const auto& propertyPair : ifacePair.second)
234                     {
235                         if (propertyPair.first == "Id")
236                         {
237                             const uint32_t* id =
238                                 std::get_if<uint32_t>(&propertyPair.second);
239                             if (id != nullptr)
240                             {
241                                 ethData.vlan_id.push_back(*id);
242                             }
243                         }
244                     }
245                 }
246                 else if (ifacePair.first ==
247                          "xyz.openbmc_project.Network.EthernetInterface")
248                 {
249                     for (const auto& propertyPair : ifacePair.second)
250                     {
251                         if (propertyPair.first == "AutoNeg")
252                         {
253                             const bool* autoNeg =
254                                 std::get_if<bool>(&propertyPair.second);
255                             if (autoNeg != nullptr)
256                             {
257                                 ethData.auto_neg = *autoNeg;
258                             }
259                         }
260                         else if (propertyPair.first == "Speed")
261                         {
262                             const uint32_t* speed =
263                                 std::get_if<uint32_t>(&propertyPair.second);
264                             if (speed != nullptr)
265                             {
266                                 ethData.speed = *speed;
267                             }
268                         }
269                         else if (propertyPair.first == "LinkUp")
270                         {
271                             const bool* linkUp =
272                                 std::get_if<bool>(&propertyPair.second);
273                             if (linkUp != nullptr)
274                             {
275                                 ethData.linkUp = *linkUp;
276                             }
277                         }
278                         else if (propertyPair.first == "NICEnabled")
279                         {
280                             const bool* nicEnabled =
281                                 std::get_if<bool>(&propertyPair.second);
282                             if (nicEnabled != nullptr)
283                             {
284                                 ethData.nicEnabled = *nicEnabled;
285                             }
286                         }
287                         else if (propertyPair.first == "Nameservers")
288                         {
289                             const std::vector<std::string>* nameservers =
290                                 std::get_if<std::vector<std::string>>(
291                                     &propertyPair.second);
292                             if (nameservers != nullptr)
293                             {
294                                 ethData.nameServers = *nameservers;
295                             }
296                         }
297                         else if (propertyPair.first == "StaticNameServers")
298                         {
299                             const std::vector<std::string>* staticNameServers =
300                                 std::get_if<std::vector<std::string>>(
301                                     &propertyPair.second);
302                             if (staticNameServers != nullptr)
303                             {
304                                 ethData.staticNameServers = *staticNameServers;
305                             }
306                         }
307                         else if (propertyPair.first == "DHCPEnabled")
308                         {
309                             const std::string* dhcpEnabled =
310                                 std::get_if<std::string>(&propertyPair.second);
311                             if (dhcpEnabled != nullptr)
312                             {
313                                 ethData.DHCPEnabled = *dhcpEnabled;
314                             }
315                         }
316                         else if (propertyPair.first == "DomainName")
317                         {
318                             const std::vector<std::string>* domainNames =
319                                 std::get_if<std::vector<std::string>>(
320                                     &propertyPair.second);
321                             if (domainNames != nullptr)
322                             {
323                                 ethData.domainnames = *domainNames;
324                             }
325                         }
326                         else if (propertyPair.first == "DefaultGateway")
327                         {
328                             const std::string* defaultGateway =
329                                 std::get_if<std::string>(&propertyPair.second);
330                             if (defaultGateway != nullptr)
331                             {
332                                 std::string defaultGatewayStr = *defaultGateway;
333                                 if (defaultGatewayStr.empty())
334                                 {
335                                     ethData.default_gateway = "0.0.0.0";
336                                 }
337                                 else
338                                 {
339                                     ethData.default_gateway = defaultGatewayStr;
340                                 }
341                             }
342                         }
343                         else if (propertyPair.first == "DefaultGateway6")
344                         {
345                             const std::string* defaultGateway6 =
346                                 std::get_if<std::string>(&propertyPair.second);
347                             if (defaultGateway6 != nullptr)
348                             {
349                                 std::string defaultGateway6Str =
350                                     *defaultGateway6;
351                                 if (defaultGateway6Str.empty())
352                                 {
353                                     ethData.ipv6_default_gateway =
354                                         "0:0:0:0:0:0:0:0";
355                                 }
356                                 else
357                                 {
358                                     ethData.ipv6_default_gateway =
359                                         defaultGateway6Str;
360                                 }
361                             }
362                         }
363                     }
364                 }
365             }
366 
367             if (objpath.first == "/xyz/openbmc_project/network/config/dhcp")
368             {
369                 if (ifacePair.first ==
370                     "xyz.openbmc_project.Network.DHCPConfiguration")
371                 {
372                     for (const auto& propertyPair : ifacePair.second)
373                     {
374                         if (propertyPair.first == "DNSEnabled")
375                         {
376                             const bool* dnsEnabled =
377                                 std::get_if<bool>(&propertyPair.second);
378                             if (dnsEnabled != nullptr)
379                             {
380                                 ethData.DNSEnabled = *dnsEnabled;
381                             }
382                         }
383                         else if (propertyPair.first == "NTPEnabled")
384                         {
385                             const bool* ntpEnabled =
386                                 std::get_if<bool>(&propertyPair.second);
387                             if (ntpEnabled != nullptr)
388                             {
389                                 ethData.NTPEnabled = *ntpEnabled;
390                             }
391                         }
392                         else if (propertyPair.first == "HostNameEnabled")
393                         {
394                             const bool* hostNameEnabled =
395                                 std::get_if<bool>(&propertyPair.second);
396                             if (hostNameEnabled != nullptr)
397                             {
398                                 ethData.HostNameEnabled = *hostNameEnabled;
399                             }
400                         }
401                         else if (propertyPair.first == "SendHostNameEnabled")
402                         {
403                             const bool* sendHostNameEnabled =
404                                 std::get_if<bool>(&propertyPair.second);
405                             if (sendHostNameEnabled != nullptr)
406                             {
407                                 ethData.SendHostNameEnabled =
408                                     *sendHostNameEnabled;
409                             }
410                         }
411                     }
412                 }
413             }
414             // System configuration shows up in the global namespace, so no need
415             // to check eth number
416             if (ifacePair.first ==
417                 "xyz.openbmc_project.Network.SystemConfiguration")
418             {
419                 for (const auto& propertyPair : ifacePair.second)
420                 {
421                     if (propertyPair.first == "HostName")
422                     {
423                         const std::string* hostname =
424                             std::get_if<std::string>(&propertyPair.second);
425                         if (hostname != nullptr)
426                         {
427                             ethData.hostname = *hostname;
428                         }
429                     }
430                 }
431             }
432         }
433     }
434     return idFound;
435 }
436 
437 // Helper function that extracts data for single ethernet ipv6 address
438 inline void
439     extractIPV6Data(const std::string& ethifaceId,
440                     const GetManagedObjects& dbusData,
441                     boost::container::flat_set<IPv6AddressData>& ipv6Config)
442 {
443     const std::string ipv6PathStart =
444         "/xyz/openbmc_project/network/" + ethifaceId + "/ipv6/";
445 
446     // Since there might be several IPv6 configurations aligned with
447     // single ethernet interface, loop over all of them
448     for (const auto& objpath : dbusData)
449     {
450         // Check if proper pattern for object path appears
451         if (boost::starts_with(objpath.first.str, ipv6PathStart))
452         {
453             for (auto& interface : objpath.second)
454             {
455                 if (interface.first == "xyz.openbmc_project.Network.IP")
456                 {
457                     // Instance IPv6AddressData structure, and set as
458                     // appropriate
459                     std::pair<
460                         boost::container::flat_set<IPv6AddressData>::iterator,
461                         bool>
462                         it = ipv6Config.insert(IPv6AddressData{});
463                     IPv6AddressData& ipv6Address = *it.first;
464                     ipv6Address.id =
465                         objpath.first.str.substr(ipv6PathStart.size());
466                     for (auto& property : interface.second)
467                     {
468                         if (property.first == "Address")
469                         {
470                             const std::string* address =
471                                 std::get_if<std::string>(&property.second);
472                             if (address != nullptr)
473                             {
474                                 ipv6Address.address = *address;
475                             }
476                         }
477                         else if (property.first == "Origin")
478                         {
479                             const std::string* origin =
480                                 std::get_if<std::string>(&property.second);
481                             if (origin != nullptr)
482                             {
483                                 ipv6Address.origin =
484                                     translateAddressOriginDbusToRedfish(*origin,
485                                                                         false);
486                             }
487                         }
488                         else if (property.first == "PrefixLength")
489                         {
490                             const uint8_t* prefix =
491                                 std::get_if<uint8_t>(&property.second);
492                             if (prefix != nullptr)
493                             {
494                                 ipv6Address.prefixLength = *prefix;
495                             }
496                         }
497                         else
498                         {
499                             BMCWEB_LOG_ERROR
500                                 << "Got extra property: " << property.first
501                                 << " on the " << objpath.first.str << " object";
502                         }
503                     }
504                 }
505             }
506         }
507     }
508 }
509 
510 // Helper function that extracts data for single ethernet ipv4 address
511 inline void
512     extractIPData(const std::string& ethifaceId,
513                   const GetManagedObjects& dbusData,
514                   boost::container::flat_set<IPv4AddressData>& ipv4Config)
515 {
516     const std::string ipv4PathStart =
517         "/xyz/openbmc_project/network/" + ethifaceId + "/ipv4/";
518 
519     // Since there might be several IPv4 configurations aligned with
520     // single ethernet interface, loop over all of them
521     for (const auto& objpath : dbusData)
522     {
523         // Check if proper pattern for object path appears
524         if (boost::starts_with(objpath.first.str, ipv4PathStart))
525         {
526             for (auto& interface : objpath.second)
527             {
528                 if (interface.first == "xyz.openbmc_project.Network.IP")
529                 {
530                     // Instance IPv4AddressData structure, and set as
531                     // appropriate
532                     std::pair<
533                         boost::container::flat_set<IPv4AddressData>::iterator,
534                         bool>
535                         it = ipv4Config.insert(IPv4AddressData{});
536                     IPv4AddressData& ipv4Address = *it.first;
537                     ipv4Address.id =
538                         objpath.first.str.substr(ipv4PathStart.size());
539                     for (auto& property : interface.second)
540                     {
541                         if (property.first == "Address")
542                         {
543                             const std::string* address =
544                                 std::get_if<std::string>(&property.second);
545                             if (address != nullptr)
546                             {
547                                 ipv4Address.address = *address;
548                             }
549                         }
550                         else if (property.first == "Origin")
551                         {
552                             const std::string* origin =
553                                 std::get_if<std::string>(&property.second);
554                             if (origin != nullptr)
555                             {
556                                 ipv4Address.origin =
557                                     translateAddressOriginDbusToRedfish(*origin,
558                                                                         true);
559                             }
560                         }
561                         else if (property.first == "PrefixLength")
562                         {
563                             const uint8_t* mask =
564                                 std::get_if<uint8_t>(&property.second);
565                             if (mask != nullptr)
566                             {
567                                 // convert it to the string
568                                 ipv4Address.netmask = getNetmask(*mask);
569                             }
570                         }
571                         else
572                         {
573                             BMCWEB_LOG_ERROR
574                                 << "Got extra property: " << property.first
575                                 << " on the " << objpath.first.str << " object";
576                         }
577                     }
578                     // Check if given address is local, or global
579                     ipv4Address.linktype =
580                         boost::starts_with(ipv4Address.address, "169.254.")
581                             ? LinkType::Local
582                             : LinkType::Global;
583                 }
584             }
585         }
586     }
587 }
588 
589 /**
590  * @brief Sets given Id on the given VLAN interface through D-Bus
591  *
592  * @param[in] ifaceId       Id of VLAN interface that should be modified
593  * @param[in] inputVlanId   New ID of the VLAN
594  * @param[in] callback      Function that will be called after the operation
595  *
596  * @return None.
597  */
598 template <typename CallbackFunc>
599 void changeVlanId(const std::string& ifaceId, const uint32_t& inputVlanId,
600                   CallbackFunc&& callback)
601 {
602     crow::connections::systemBus->async_method_call(
603         callback, "xyz.openbmc_project.Network",
604         std::string("/xyz/openbmc_project/network/") + ifaceId,
605         "org.freedesktop.DBus.Properties", "Set",
606         "xyz.openbmc_project.Network.VLAN", "Id",
607         std::variant<uint32_t>(inputVlanId));
608 }
609 
610 /**
611  * @brief Helper function that verifies IP address to check if it is in
612  *        proper format. If bits pointer is provided, also calculates active
613  *        bit count for Subnet Mask.
614  *
615  * @param[in]  ip     IP that will be verified
616  * @param[out] bits   Calculated mask in bits notation
617  *
618  * @return true in case of success, false otherwise
619  */
620 inline bool ipv4VerifyIpAndGetBitcount(const std::string& ip,
621                                        uint8_t* bits = nullptr)
622 {
623     std::vector<std::string> bytesInMask;
624 
625     boost::split(bytesInMask, ip, boost::is_any_of("."));
626 
627     static const constexpr int ipV4AddressSectionsCount = 4;
628     if (bytesInMask.size() != ipV4AddressSectionsCount)
629     {
630         return false;
631     }
632 
633     if (bits != nullptr)
634     {
635         *bits = 0;
636     }
637 
638     char* endPtr;
639     long previousValue = 255;
640     bool firstZeroInByteHit;
641     for (const std::string& byte : bytesInMask)
642     {
643         if (byte.empty())
644         {
645             return false;
646         }
647 
648         // Use strtol instead of stroi to avoid exceptions
649         long value = std::strtol(byte.c_str(), &endPtr, 10);
650 
651         // endPtr should point to the end of the string, otherwise given string
652         // is not 100% number
653         if (*endPtr != '\0')
654         {
655             return false;
656         }
657 
658         // Value should be contained in byte
659         if (value < 0 || value > 255)
660         {
661             return false;
662         }
663 
664         if (bits != nullptr)
665         {
666             // Mask has to be continuous between bytes
667             if (previousValue != 255 && value != 0)
668             {
669                 return false;
670             }
671 
672             // Mask has to be continuous inside bytes
673             firstZeroInByteHit = false;
674 
675             // Count bits
676             for (long bitIdx = 7; bitIdx >= 0; bitIdx--)
677             {
678                 if (value & (1L << bitIdx))
679                 {
680                     if (firstZeroInByteHit)
681                     {
682                         // Continuity not preserved
683                         return false;
684                     }
685                     (*bits)++;
686                 }
687                 else
688                 {
689                     firstZeroInByteHit = true;
690                 }
691             }
692         }
693 
694         previousValue = value;
695     }
696 
697     return true;
698 }
699 
700 /**
701  * @brief Deletes given IPv4 interface
702  *
703  * @param[in] ifaceId     Id of interface whose IP should be deleted
704  * @param[in] ipHash      DBus Hash id of IP that should be deleted
705  * @param[io] asyncResp   Response object that will be returned to client
706  *
707  * @return None
708  */
709 inline void deleteIPv4(const std::string& ifaceId, const std::string& ipHash,
710                        const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
711 {
712     crow::connections::systemBus->async_method_call(
713         [asyncResp](const boost::system::error_code ec) {
714             if (ec)
715             {
716                 messages::internalError(asyncResp->res);
717             }
718         },
719         "xyz.openbmc_project.Network",
720         "/xyz/openbmc_project/network/" + ifaceId + "/ipv4/" + ipHash,
721         "xyz.openbmc_project.Object.Delete", "Delete");
722 }
723 
724 inline void updateIPv4DefaultGateway(
725     const std::string& ifaceId, const std::string& gateway,
726     const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
727 {
728     crow::connections::systemBus->async_method_call(
729         [asyncResp](const boost::system::error_code ec) {
730             if (ec)
731             {
732                 messages::internalError(asyncResp->res);
733                 return;
734             }
735             asyncResp->res.result(boost::beast::http::status::no_content);
736         },
737         "xyz.openbmc_project.Network",
738         "/xyz/openbmc_project/network/" + ifaceId,
739         "org.freedesktop.DBus.Properties", "Set",
740         "xyz.openbmc_project.Network.EthernetInterface", "DefaultGateway",
741         std::variant<std::string>(gateway));
742 }
743 /**
744  * @brief Creates a static IPv4 entry
745  *
746  * @param[in] ifaceId      Id of interface upon which to create the IPv4 entry
747  * @param[in] prefixLength IPv4 prefix syntax for the subnet mask
748  * @param[in] gateway      IPv4 address of this interfaces gateway
749  * @param[in] address      IPv4 address to assign to this interface
750  * @param[io] asyncResp    Response object that will be returned to client
751  *
752  * @return None
753  */
754 inline void createIPv4(const std::string& ifaceId, uint8_t prefixLength,
755                        const std::string& gateway, const std::string& address,
756                        const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
757 {
758     auto createIpHandler = [asyncResp, ifaceId,
759                             gateway](const boost::system::error_code ec) {
760         if (ec)
761         {
762             messages::internalError(asyncResp->res);
763             return;
764         }
765         updateIPv4DefaultGateway(ifaceId, gateway, asyncResp);
766     };
767 
768     crow::connections::systemBus->async_method_call(
769         std::move(createIpHandler), "xyz.openbmc_project.Network",
770         "/xyz/openbmc_project/network/" + ifaceId,
771         "xyz.openbmc_project.Network.IP.Create", "IP",
772         "xyz.openbmc_project.Network.IP.Protocol.IPv4", address, prefixLength,
773         gateway);
774 }
775 
776 /**
777  * @brief Deletes the IPv4 entry for this interface and creates a replacement
778  * static IPv4 entry
779  *
780  * @param[in] ifaceId      Id of interface upon which to create the IPv4 entry
781  * @param[in] id           The unique hash entry identifying the DBus entry
782  * @param[in] prefixLength IPv4 prefix syntax for the subnet mask
783  * @param[in] gateway      IPv4 address of this interfaces gateway
784  * @param[in] address      IPv4 address to assign to this interface
785  * @param[io] asyncResp    Response object that will be returned to client
786  *
787  * @return None
788  */
789 inline void
790     deleteAndCreateIPv4(const std::string& ifaceId, const std::string& id,
791                         uint8_t prefixLength, const std::string& gateway,
792                         const std::string& address,
793                         const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
794 {
795     crow::connections::systemBus->async_method_call(
796         [asyncResp, ifaceId, address, prefixLength,
797          gateway](const boost::system::error_code ec) {
798             if (ec)
799             {
800                 messages::internalError(asyncResp->res);
801                 return;
802             }
803 
804             crow::connections::systemBus->async_method_call(
805                 [asyncResp, ifaceId,
806                  gateway](const boost::system::error_code ec2) {
807                     if (ec2)
808                     {
809                         messages::internalError(asyncResp->res);
810                         return;
811                     }
812                     updateIPv4DefaultGateway(ifaceId, gateway, asyncResp);
813                 },
814                 "xyz.openbmc_project.Network",
815                 "/xyz/openbmc_project/network/" + ifaceId,
816                 "xyz.openbmc_project.Network.IP.Create", "IP",
817                 "xyz.openbmc_project.Network.IP.Protocol.IPv4", address,
818                 prefixLength, gateway);
819         },
820         "xyz.openbmc_project.Network",
821         +"/xyz/openbmc_project/network/" + ifaceId + "/ipv4/" + id,
822         "xyz.openbmc_project.Object.Delete", "Delete");
823 }
824 
825 /**
826  * @brief Deletes given IPv6
827  *
828  * @param[in] ifaceId     Id of interface whose IP should be deleted
829  * @param[in] ipHash      DBus Hash id of IP that should be deleted
830  * @param[io] asyncResp   Response object that will be returned to client
831  *
832  * @return None
833  */
834 inline void deleteIPv6(const std::string& ifaceId, const std::string& ipHash,
835                        const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
836 {
837     crow::connections::systemBus->async_method_call(
838         [asyncResp](const boost::system::error_code ec) {
839             if (ec)
840             {
841                 messages::internalError(asyncResp->res);
842             }
843         },
844         "xyz.openbmc_project.Network",
845         "/xyz/openbmc_project/network/" + ifaceId + "/ipv6/" + ipHash,
846         "xyz.openbmc_project.Object.Delete", "Delete");
847 }
848 
849 /**
850  * @brief Deletes the IPv6 entry for this interface and creates a replacement
851  * static IPv6 entry
852  *
853  * @param[in] ifaceId      Id of interface upon which to create the IPv6 entry
854  * @param[in] id           The unique hash entry identifying the DBus entry
855  * @param[in] prefixLength IPv6 prefix syntax for the subnet mask
856  * @param[in] address      IPv6 address to assign to this interface
857  * @param[io] asyncResp    Response object that will be returned to client
858  *
859  * @return None
860  */
861 inline void
862     deleteAndCreateIPv6(const std::string& ifaceId, const std::string& id,
863                         uint8_t prefixLength, const std::string& address,
864                         const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
865 {
866     crow::connections::systemBus->async_method_call(
867         [asyncResp, ifaceId, address,
868          prefixLength](const boost::system::error_code ec) {
869             if (ec)
870             {
871                 messages::internalError(asyncResp->res);
872             }
873             crow::connections::systemBus->async_method_call(
874                 [asyncResp](const boost::system::error_code ec2) {
875                     if (ec2)
876                     {
877                         messages::internalError(asyncResp->res);
878                     }
879                 },
880                 "xyz.openbmc_project.Network",
881                 "/xyz/openbmc_project/network/" + ifaceId,
882                 "xyz.openbmc_project.Network.IP.Create", "IP",
883                 "xyz.openbmc_project.Network.IP.Protocol.IPv6", address,
884                 prefixLength, "");
885         },
886         "xyz.openbmc_project.Network",
887         +"/xyz/openbmc_project/network/" + ifaceId + "/ipv6/" + id,
888         "xyz.openbmc_project.Object.Delete", "Delete");
889 }
890 
891 /**
892  * @brief Creates IPv6 with given data
893  *
894  * @param[in] ifaceId      Id of interface whose IP should be added
895  * @param[in] prefixLength Prefix length that needs to be added
896  * @param[in] address      IP address that needs to be added
897  * @param[io] asyncResp    Response object that will be returned to client
898  *
899  * @return None
900  */
901 inline void createIPv6(const std::string& ifaceId, uint8_t prefixLength,
902                        const std::string& address,
903                        const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
904 {
905     auto createIpHandler = [asyncResp](const boost::system::error_code ec) {
906         if (ec)
907         {
908             messages::internalError(asyncResp->res);
909         }
910     };
911     // Passing null for gateway, as per redfish spec IPv6StaticAddresses object
912     // does not have associated gateway property
913     crow::connections::systemBus->async_method_call(
914         std::move(createIpHandler), "xyz.openbmc_project.Network",
915         "/xyz/openbmc_project/network/" + ifaceId,
916         "xyz.openbmc_project.Network.IP.Create", "IP",
917         "xyz.openbmc_project.Network.IP.Protocol.IPv6", address, prefixLength,
918         "");
919 }
920 
921 /**
922  * Function that retrieves all properties for given Ethernet Interface
923  * Object
924  * from EntityManager Network Manager
925  * @param ethiface_id a eth interface id to query on DBus
926  * @param callback a function that shall be called to convert Dbus output
927  * into JSON
928  */
929 template <typename CallbackFunc>
930 void getEthernetIfaceData(const std::string& ethifaceId,
931                           CallbackFunc&& callback)
932 {
933     crow::connections::systemBus->async_method_call(
934         [ethifaceId{std::string{ethifaceId}}, callback{std::move(callback)}](
935             const boost::system::error_code errorCode,
936             GetManagedObjects& resp) {
937             EthernetInterfaceData ethData{};
938             boost::container::flat_set<IPv4AddressData> ipv4Data;
939             boost::container::flat_set<IPv6AddressData> ipv6Data;
940 
941             if (errorCode)
942             {
943                 callback(false, ethData, ipv4Data, ipv6Data);
944                 return;
945             }
946 
947             bool found =
948                 extractEthernetInterfaceData(ethifaceId, resp, ethData);
949             if (!found)
950             {
951                 callback(false, ethData, ipv4Data, ipv6Data);
952                 return;
953             }
954 
955             extractIPData(ethifaceId, resp, ipv4Data);
956             // Fix global GW
957             for (IPv4AddressData& ipv4 : ipv4Data)
958             {
959                 if (((ipv4.linktype == LinkType::Global) &&
960                      (ipv4.gateway == "0.0.0.0")) ||
961                     (ipv4.origin == "DHCP") || (ipv4.origin == "Static"))
962                 {
963                     ipv4.gateway = ethData.default_gateway;
964                 }
965             }
966 
967             extractIPV6Data(ethifaceId, resp, ipv6Data);
968             // Finally make a callback with useful data
969             callback(true, ethData, ipv4Data, ipv6Data);
970         },
971         "xyz.openbmc_project.Network", "/xyz/openbmc_project/network",
972         "org.freedesktop.DBus.ObjectManager", "GetManagedObjects");
973 }
974 
975 /**
976  * Function that retrieves all Ethernet Interfaces available through Network
977  * Manager
978  * @param callback a function that shall be called to convert Dbus output
979  * into JSON.
980  */
981 template <typename CallbackFunc>
982 void getEthernetIfaceList(CallbackFunc&& callback)
983 {
984     crow::connections::systemBus->async_method_call(
985         [callback{std::move(callback)}](
986             const boost::system::error_code errorCode,
987             GetManagedObjects& resp) {
988             // Callback requires vector<string> to retrieve all available
989             // ethernet interfaces
990             boost::container::flat_set<std::string> ifaceList;
991             ifaceList.reserve(resp.size());
992             if (errorCode)
993             {
994                 callback(false, ifaceList);
995                 return;
996             }
997 
998             // Iterate over all retrieved ObjectPaths.
999             for (const auto& objpath : resp)
1000             {
1001                 // And all interfaces available for certain ObjectPath.
1002                 for (const auto& interface : objpath.second)
1003                 {
1004                     // If interface is
1005                     // xyz.openbmc_project.Network.EthernetInterface, this is
1006                     // what we're looking for.
1007                     if (interface.first ==
1008                         "xyz.openbmc_project.Network.EthernetInterface")
1009                     {
1010                         std::string ifaceId = objpath.first.filename();
1011                         if (ifaceId.empty())
1012                         {
1013                             continue;
1014                         }
1015                         // and put it into output vector.
1016                         ifaceList.emplace(ifaceId);
1017                     }
1018                 }
1019             }
1020             // Finally make a callback with useful data
1021             callback(true, ifaceList);
1022         },
1023         "xyz.openbmc_project.Network", "/xyz/openbmc_project/network",
1024         "org.freedesktop.DBus.ObjectManager", "GetManagedObjects");
1025 }
1026 
1027 void handleHostnamePatch(const std::string& hostname,
1028                          const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
1029 {
1030     // SHOULD handle host names of up to 255 characters(RFC 1123)
1031     if (hostname.length() > 255)
1032     {
1033         messages::propertyValueFormatError(asyncResp->res, hostname,
1034                                            "HostName");
1035         return;
1036     }
1037     crow::connections::systemBus->async_method_call(
1038         [asyncResp](const boost::system::error_code ec) {
1039             if (ec)
1040             {
1041                 messages::internalError(asyncResp->res);
1042             }
1043         },
1044         "xyz.openbmc_project.Network", "/xyz/openbmc_project/network/config",
1045         "org.freedesktop.DBus.Properties", "Set",
1046         "xyz.openbmc_project.Network.SystemConfiguration", "HostName",
1047         std::variant<std::string>(hostname));
1048 }
1049 
1050 void handleDomainnamePatch(const std::string& ifaceId,
1051                            const std::string& domainname,
1052                            const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
1053 {
1054     std::vector<std::string> vectorDomainname = {domainname};
1055     crow::connections::systemBus->async_method_call(
1056         [asyncResp](const boost::system::error_code ec) {
1057             if (ec)
1058             {
1059                 messages::internalError(asyncResp->res);
1060             }
1061         },
1062         "xyz.openbmc_project.Network",
1063         "/xyz/openbmc_project/network/" + ifaceId,
1064         "org.freedesktop.DBus.Properties", "Set",
1065         "xyz.openbmc_project.Network.EthernetInterface", "DomainName",
1066         std::variant<std::vector<std::string>>(vectorDomainname));
1067 }
1068 
1069 bool isHostnameValid(const std::string& hostname)
1070 {
1071     // A valid host name can never have the dotted-decimal form (RFC 1123)
1072     if (std::all_of(hostname.begin(), hostname.end(), ::isdigit))
1073     {
1074         return false;
1075     }
1076     // Each label(hostname/subdomains) within a valid FQDN
1077     // MUST handle host names of up to 63 characters (RFC 1123)
1078     // labels cannot start or end with hyphens (RFC 952)
1079     // labels can start with numbers (RFC 1123)
1080     const std::regex pattern(
1081         "^[a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\\-]{0,61}[a-zA-Z0-9]$");
1082 
1083     return std::regex_match(hostname, pattern);
1084 }
1085 
1086 bool isDomainnameValid(const std::string& domainname)
1087 {
1088     // Can have multiple subdomains
1089     // Top Level Domain's min length is 2 character
1090     const std::regex pattern("^([A-Za-z0-9][a-zA-Z0-9\\-]{1,61}|[a-zA-Z0-9]"
1091                              "{1,30}\\.)*[a-zA-Z]{2,}$");
1092 
1093     return std::regex_match(domainname, pattern);
1094 }
1095 
1096 void handleFqdnPatch(const std::string& ifaceId, const std::string& fqdn,
1097                      const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
1098 {
1099     // Total length of FQDN must not exceed 255 characters(RFC 1035)
1100     if (fqdn.length() > 255)
1101     {
1102         messages::propertyValueFormatError(asyncResp->res, fqdn, "FQDN");
1103         return;
1104     }
1105 
1106     size_t pos = fqdn.find('.');
1107     if (pos == std::string::npos)
1108     {
1109         messages::propertyValueFormatError(asyncResp->res, fqdn, "FQDN");
1110         return;
1111     }
1112 
1113     std::string hostname;
1114     std::string domainname;
1115     domainname = (fqdn).substr(pos + 1);
1116     hostname = (fqdn).substr(0, pos);
1117 
1118     if (!isHostnameValid(hostname) || !isDomainnameValid(domainname))
1119     {
1120         messages::propertyValueFormatError(asyncResp->res, fqdn, "FQDN");
1121         return;
1122     }
1123 
1124     handleHostnamePatch(hostname, asyncResp);
1125     handleDomainnamePatch(ifaceId, domainname, asyncResp);
1126 }
1127 
1128 void handleMACAddressPatch(const std::string& ifaceId,
1129                            const std::string& macAddress,
1130                            const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
1131 {
1132     crow::connections::systemBus->async_method_call(
1133         [asyncResp, macAddress](const boost::system::error_code ec) {
1134             if (ec)
1135             {
1136                 messages::internalError(asyncResp->res);
1137                 return;
1138             }
1139         },
1140         "xyz.openbmc_project.Network",
1141         "/xyz/openbmc_project/network/" + ifaceId,
1142         "org.freedesktop.DBus.Properties", "Set",
1143         "xyz.openbmc_project.Network.MACAddress", "MACAddress",
1144         std::variant<std::string>(macAddress));
1145 }
1146 
1147 void setDHCPEnabled(const std::string& ifaceId, const std::string& propertyName,
1148                     const bool v4Value, const bool v6Value,
1149                     const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
1150 {
1151     const std::string dhcp = getDhcpEnabledEnumeration(v4Value, v6Value);
1152     crow::connections::systemBus->async_method_call(
1153         [asyncResp](const boost::system::error_code ec) {
1154             if (ec)
1155             {
1156                 BMCWEB_LOG_ERROR << "D-Bus responses error: " << ec;
1157                 messages::internalError(asyncResp->res);
1158                 return;
1159             }
1160             messages::success(asyncResp->res);
1161         },
1162         "xyz.openbmc_project.Network",
1163         "/xyz/openbmc_project/network/" + ifaceId,
1164         "org.freedesktop.DBus.Properties", "Set",
1165         "xyz.openbmc_project.Network.EthernetInterface", propertyName,
1166         std::variant<std::string>{dhcp});
1167 }
1168 
1169 void setEthernetInterfaceBoolProperty(
1170     const std::string& ifaceId, const std::string& propertyName,
1171     const bool& value, const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
1172 {
1173     crow::connections::systemBus->async_method_call(
1174         [asyncResp](const boost::system::error_code ec) {
1175             if (ec)
1176             {
1177                 BMCWEB_LOG_ERROR << "D-Bus responses error: " << ec;
1178                 messages::internalError(asyncResp->res);
1179                 return;
1180             }
1181         },
1182         "xyz.openbmc_project.Network",
1183         "/xyz/openbmc_project/network/" + ifaceId,
1184         "org.freedesktop.DBus.Properties", "Set",
1185         "xyz.openbmc_project.Network.EthernetInterface", propertyName,
1186         std::variant<bool>{value});
1187 }
1188 
1189 void setDHCPv4Config(const std::string& propertyName, const bool& value,
1190                      const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
1191 {
1192     BMCWEB_LOG_DEBUG << propertyName << " = " << value;
1193     crow::connections::systemBus->async_method_call(
1194         [asyncResp](const boost::system::error_code ec) {
1195             if (ec)
1196             {
1197                 BMCWEB_LOG_ERROR << "D-Bus responses error: " << ec;
1198                 messages::internalError(asyncResp->res);
1199                 return;
1200             }
1201         },
1202         "xyz.openbmc_project.Network",
1203         "/xyz/openbmc_project/network/config/dhcp",
1204         "org.freedesktop.DBus.Properties", "Set",
1205         "xyz.openbmc_project.Network.DHCPConfiguration", propertyName,
1206         std::variant<bool>{value});
1207 }
1208 
1209 void handleDHCPPatch(const std::string& ifaceId,
1210                      const EthernetInterfaceData& ethData,
1211                      const DHCPParameters& v4dhcpParms,
1212                      const DHCPParameters& v6dhcpParms,
1213                      const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
1214 {
1215     bool ipv4Active = translateDHCPEnabledToBool(ethData.DHCPEnabled, true);
1216     bool ipv6Active = translateDHCPEnabledToBool(ethData.DHCPEnabled, false);
1217 
1218     bool nextv4DHCPState =
1219         v4dhcpParms.dhcpv4Enabled ? *v4dhcpParms.dhcpv4Enabled : ipv4Active;
1220 
1221     bool nextv6DHCPState{};
1222     if (v6dhcpParms.dhcpv6OperatingMode)
1223     {
1224         if ((*v6dhcpParms.dhcpv6OperatingMode != "Stateful") &&
1225             (*v6dhcpParms.dhcpv6OperatingMode != "Stateless") &&
1226             (*v6dhcpParms.dhcpv6OperatingMode != "Disabled"))
1227         {
1228             messages::propertyValueFormatError(asyncResp->res,
1229                                                *v6dhcpParms.dhcpv6OperatingMode,
1230                                                "OperatingMode");
1231             return;
1232         }
1233         nextv6DHCPState = (*v6dhcpParms.dhcpv6OperatingMode == "Stateful");
1234     }
1235     else
1236     {
1237         nextv6DHCPState = ipv6Active;
1238     }
1239 
1240     bool nextDNS{};
1241     if (v4dhcpParms.useDNSServers && v6dhcpParms.useDNSServers)
1242     {
1243         if (*v4dhcpParms.useDNSServers != *v6dhcpParms.useDNSServers)
1244         {
1245             messages::generalError(asyncResp->res);
1246             return;
1247         }
1248         nextDNS = *v4dhcpParms.useDNSServers;
1249     }
1250     else if (v4dhcpParms.useDNSServers)
1251     {
1252         nextDNS = *v4dhcpParms.useDNSServers;
1253     }
1254     else if (v6dhcpParms.useDNSServers)
1255     {
1256         nextDNS = *v6dhcpParms.useDNSServers;
1257     }
1258     else
1259     {
1260         nextDNS = ethData.DNSEnabled;
1261     }
1262 
1263     bool nextNTP{};
1264     if (v4dhcpParms.useNTPServers && v6dhcpParms.useNTPServers)
1265     {
1266         if (*v4dhcpParms.useNTPServers != *v6dhcpParms.useNTPServers)
1267         {
1268             messages::generalError(asyncResp->res);
1269             return;
1270         }
1271         nextNTP = *v4dhcpParms.useNTPServers;
1272     }
1273     else if (v4dhcpParms.useNTPServers)
1274     {
1275         nextNTP = *v4dhcpParms.useNTPServers;
1276     }
1277     else if (v6dhcpParms.useNTPServers)
1278     {
1279         nextNTP = *v6dhcpParms.useNTPServers;
1280     }
1281     else
1282     {
1283         nextNTP = ethData.NTPEnabled;
1284     }
1285 
1286     bool nextUseDomain{};
1287     if (v4dhcpParms.useUseDomainName && v6dhcpParms.useUseDomainName)
1288     {
1289         if (*v4dhcpParms.useUseDomainName != *v6dhcpParms.useUseDomainName)
1290         {
1291             messages::generalError(asyncResp->res);
1292             return;
1293         }
1294         nextUseDomain = *v4dhcpParms.useUseDomainName;
1295     }
1296     else if (v4dhcpParms.useUseDomainName)
1297     {
1298         nextUseDomain = *v4dhcpParms.useUseDomainName;
1299     }
1300     else if (v6dhcpParms.useUseDomainName)
1301     {
1302         nextUseDomain = *v6dhcpParms.useUseDomainName;
1303     }
1304     else
1305     {
1306         nextUseDomain = ethData.HostNameEnabled;
1307     }
1308 
1309     BMCWEB_LOG_DEBUG << "set DHCPEnabled...";
1310     setDHCPEnabled(ifaceId, "DHCPEnabled", nextv4DHCPState, nextv6DHCPState,
1311                    asyncResp);
1312     BMCWEB_LOG_DEBUG << "set DNSEnabled...";
1313     setDHCPv4Config("DNSEnabled", nextDNS, asyncResp);
1314     BMCWEB_LOG_DEBUG << "set NTPEnabled...";
1315     setDHCPv4Config("NTPEnabled", nextNTP, asyncResp);
1316     BMCWEB_LOG_DEBUG << "set HostNameEnabled...";
1317     setDHCPv4Config("HostNameEnabled", nextUseDomain, asyncResp);
1318 }
1319 
1320 boost::container::flat_set<IPv4AddressData>::const_iterator
1321     getNextStaticIpEntry(
1322         const boost::container::flat_set<IPv4AddressData>::const_iterator& head,
1323         const boost::container::flat_set<IPv4AddressData>::const_iterator& end)
1324 {
1325     return std::find_if(head, end, [](const IPv4AddressData& value) {
1326         return value.origin == "Static";
1327     });
1328 }
1329 
1330 boost::container::flat_set<IPv6AddressData>::const_iterator
1331     getNextStaticIpEntry(
1332         const boost::container::flat_set<IPv6AddressData>::const_iterator& head,
1333         const boost::container::flat_set<IPv6AddressData>::const_iterator& end)
1334 {
1335     return std::find_if(head, end, [](const IPv6AddressData& value) {
1336         return value.origin == "Static";
1337     });
1338 }
1339 
1340 void handleIPv4StaticPatch(
1341     const std::string& ifaceId, nlohmann::json& input,
1342     const boost::container::flat_set<IPv4AddressData>& ipv4Data,
1343     const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
1344 {
1345     if ((!input.is_array()) || input.empty())
1346     {
1347         messages::propertyValueTypeError(
1348             asyncResp->res,
1349             input.dump(2, ' ', true, nlohmann::json::error_handler_t::replace),
1350             "IPv4StaticAddresses");
1351         return;
1352     }
1353 
1354     unsigned entryIdx = 1;
1355     // Find the first static IP address currently active on the NIC and
1356     // match it to the first JSON element in the IPv4StaticAddresses array.
1357     // Match each subsequent JSON element to the next static IP programmed
1358     // into the NIC.
1359     boost::container::flat_set<IPv4AddressData>::const_iterator niciPentry =
1360         getNextStaticIpEntry(ipv4Data.cbegin(), ipv4Data.cend());
1361 
1362     for (nlohmann::json& thisJson : input)
1363     {
1364         std::string pathString =
1365             "IPv4StaticAddresses/" + std::to_string(entryIdx);
1366 
1367         if (!thisJson.is_null() && !thisJson.empty())
1368         {
1369             std::optional<std::string> address;
1370             std::optional<std::string> subnetMask;
1371             std::optional<std::string> gateway;
1372 
1373             if (!json_util::readJson(thisJson, asyncResp->res, "Address",
1374                                      address, "SubnetMask", subnetMask,
1375                                      "Gateway", gateway))
1376             {
1377                 messages::propertyValueFormatError(
1378                     asyncResp->res,
1379                     thisJson.dump(2, ' ', true,
1380                                   nlohmann::json::error_handler_t::replace),
1381                     pathString);
1382                 return;
1383             }
1384 
1385             // Find the address/subnet/gateway values. Any values that are
1386             // not explicitly provided are assumed to be unmodified from the
1387             // current state of the interface. Merge existing state into the
1388             // current request.
1389             const std::string* addr = nullptr;
1390             const std::string* gw = nullptr;
1391             uint8_t prefixLength = 0;
1392             bool errorInEntry = false;
1393             if (address)
1394             {
1395                 if (ipv4VerifyIpAndGetBitcount(*address))
1396                 {
1397                     addr = &(*address);
1398                 }
1399                 else
1400                 {
1401                     messages::propertyValueFormatError(asyncResp->res, *address,
1402                                                        pathString + "/Address");
1403                     errorInEntry = true;
1404                 }
1405             }
1406             else if (niciPentry != ipv4Data.cend())
1407             {
1408                 addr = &(niciPentry->address);
1409             }
1410             else
1411             {
1412                 messages::propertyMissing(asyncResp->res,
1413                                           pathString + "/Address");
1414                 errorInEntry = true;
1415             }
1416 
1417             if (subnetMask)
1418             {
1419                 if (!ipv4VerifyIpAndGetBitcount(*subnetMask, &prefixLength))
1420                 {
1421                     messages::propertyValueFormatError(
1422                         asyncResp->res, *subnetMask,
1423                         pathString + "/SubnetMask");
1424                     errorInEntry = true;
1425                 }
1426             }
1427             else if (niciPentry != ipv4Data.cend())
1428             {
1429                 if (!ipv4VerifyIpAndGetBitcount(niciPentry->netmask,
1430                                                 &prefixLength))
1431                 {
1432                     messages::propertyValueFormatError(
1433                         asyncResp->res, niciPentry->netmask,
1434                         pathString + "/SubnetMask");
1435                     errorInEntry = true;
1436                 }
1437             }
1438             else
1439             {
1440                 messages::propertyMissing(asyncResp->res,
1441                                           pathString + "/SubnetMask");
1442                 errorInEntry = true;
1443             }
1444 
1445             if (gateway)
1446             {
1447                 if (ipv4VerifyIpAndGetBitcount(*gateway))
1448                 {
1449                     gw = &(*gateway);
1450                 }
1451                 else
1452                 {
1453                     messages::propertyValueFormatError(asyncResp->res, *gateway,
1454                                                        pathString + "/Gateway");
1455                     errorInEntry = true;
1456                 }
1457             }
1458             else if (niciPentry != ipv4Data.cend())
1459             {
1460                 gw = &niciPentry->gateway;
1461             }
1462             else
1463             {
1464                 messages::propertyMissing(asyncResp->res,
1465                                           pathString + "/Gateway");
1466                 errorInEntry = true;
1467             }
1468 
1469             if (errorInEntry)
1470             {
1471                 return;
1472             }
1473 
1474             if (niciPentry != ipv4Data.cend())
1475             {
1476                 deleteAndCreateIPv4(ifaceId, niciPentry->id, prefixLength, *gw,
1477                                     *addr, asyncResp);
1478                 niciPentry =
1479                     getNextStaticIpEntry(++niciPentry, ipv4Data.cend());
1480             }
1481             else
1482             {
1483                 createIPv4(ifaceId, prefixLength, *gateway, *address,
1484                            asyncResp);
1485             }
1486             entryIdx++;
1487         }
1488         else
1489         {
1490             if (niciPentry == ipv4Data.cend())
1491             {
1492                 // Requesting a DELETE/DO NOT MODIFY action for an item
1493                 // that isn't present on the eth(n) interface. Input JSON is
1494                 // in error, so bail out.
1495                 if (thisJson.is_null())
1496                 {
1497                     messages::resourceCannotBeDeleted(asyncResp->res);
1498                     return;
1499                 }
1500                 messages::propertyValueFormatError(
1501                     asyncResp->res,
1502                     thisJson.dump(2, ' ', true,
1503                                   nlohmann::json::error_handler_t::replace),
1504                     pathString);
1505                 return;
1506             }
1507 
1508             if (thisJson.is_null())
1509             {
1510                 deleteIPv4(ifaceId, niciPentry->id, asyncResp);
1511             }
1512             if (niciPentry != ipv4Data.cend())
1513             {
1514                 niciPentry =
1515                     getNextStaticIpEntry(++niciPentry, ipv4Data.cend());
1516             }
1517             entryIdx++;
1518         }
1519     }
1520 }
1521 
1522 void handleStaticNameServersPatch(
1523     const std::string& ifaceId,
1524     const std::vector<std::string>& updatedStaticNameServers,
1525     const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
1526 {
1527     crow::connections::systemBus->async_method_call(
1528         [asyncResp](const boost::system::error_code ec) {
1529             if (ec)
1530             {
1531                 messages::internalError(asyncResp->res);
1532                 return;
1533             }
1534         },
1535         "xyz.openbmc_project.Network",
1536         "/xyz/openbmc_project/network/" + ifaceId,
1537         "org.freedesktop.DBus.Properties", "Set",
1538         "xyz.openbmc_project.Network.EthernetInterface", "StaticNameServers",
1539         std::variant<std::vector<std::string>>{updatedStaticNameServers});
1540 }
1541 
1542 void handleIPv6StaticAddressesPatch(
1543     const std::string& ifaceId, const nlohmann::json& input,
1544     const boost::container::flat_set<IPv6AddressData>& ipv6Data,
1545     const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
1546 {
1547     if (!input.is_array() || input.empty())
1548     {
1549         messages::propertyValueTypeError(
1550             asyncResp->res,
1551             input.dump(2, ' ', true, nlohmann::json::error_handler_t::replace),
1552             "IPv6StaticAddresses");
1553         return;
1554     }
1555     size_t entryIdx = 1;
1556     boost::container::flat_set<IPv6AddressData>::const_iterator niciPentry =
1557         getNextStaticIpEntry(ipv6Data.cbegin(), ipv6Data.cend());
1558     for (const nlohmann::json& thisJson : input)
1559     {
1560         std::string pathString =
1561             "IPv6StaticAddresses/" + std::to_string(entryIdx);
1562 
1563         if (!thisJson.is_null() && !thisJson.empty())
1564         {
1565             std::optional<std::string> address;
1566             std::optional<uint8_t> prefixLength;
1567             nlohmann::json thisJsonCopy = thisJson;
1568             if (!json_util::readJson(thisJsonCopy, asyncResp->res, "Address",
1569                                      address, "PrefixLength", prefixLength))
1570             {
1571                 messages::propertyValueFormatError(
1572                     asyncResp->res,
1573                     thisJson.dump(2, ' ', true,
1574                                   nlohmann::json::error_handler_t::replace),
1575                     pathString);
1576                 return;
1577             }
1578 
1579             const std::string* addr;
1580             uint8_t prefix;
1581 
1582             // Find the address and prefixLength values. Any values that are
1583             // not explicitly provided are assumed to be unmodified from the
1584             // current state of the interface. Merge existing state into the
1585             // current request.
1586             if (address)
1587             {
1588                 addr = &(*address);
1589             }
1590             else if (niciPentry != ipv6Data.end())
1591             {
1592                 addr = &(niciPentry->address);
1593             }
1594             else
1595             {
1596                 messages::propertyMissing(asyncResp->res,
1597                                           pathString + "/Address");
1598                 return;
1599             }
1600 
1601             if (prefixLength)
1602             {
1603                 prefix = *prefixLength;
1604             }
1605             else if (niciPentry != ipv6Data.end())
1606             {
1607                 prefix = niciPentry->prefixLength;
1608             }
1609             else
1610             {
1611                 messages::propertyMissing(asyncResp->res,
1612                                           pathString + "/PrefixLength");
1613                 return;
1614             }
1615 
1616             if (niciPentry != ipv6Data.end())
1617             {
1618                 deleteAndCreateIPv6(ifaceId, niciPentry->id, prefix, *addr,
1619                                     asyncResp);
1620                 niciPentry =
1621                     getNextStaticIpEntry(++niciPentry, ipv6Data.cend());
1622             }
1623             else
1624             {
1625                 createIPv6(ifaceId, *prefixLength, *addr, asyncResp);
1626             }
1627             entryIdx++;
1628         }
1629         else
1630         {
1631             if (niciPentry == ipv6Data.end())
1632             {
1633                 // Requesting a DELETE/DO NOT MODIFY action for an item
1634                 // that isn't present on the eth(n) interface. Input JSON is
1635                 // in error, so bail out.
1636                 if (thisJson.is_null())
1637                 {
1638                     messages::resourceCannotBeDeleted(asyncResp->res);
1639                     return;
1640                 }
1641                 messages::propertyValueFormatError(
1642                     asyncResp->res,
1643                     thisJson.dump(2, ' ', true,
1644                                   nlohmann::json::error_handler_t::replace),
1645                     pathString);
1646                 return;
1647             }
1648 
1649             if (thisJson.is_null())
1650             {
1651                 deleteIPv6(ifaceId, niciPentry->id, asyncResp);
1652             }
1653             if (niciPentry != ipv6Data.cend())
1654             {
1655                 niciPentry =
1656                     getNextStaticIpEntry(++niciPentry, ipv6Data.cend());
1657             }
1658             entryIdx++;
1659         }
1660     }
1661 }
1662 
1663 void parseInterfaceData(
1664     const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
1665     const std::string& ifaceId, const EthernetInterfaceData& ethData,
1666     const boost::container::flat_set<IPv4AddressData>& ipv4Data,
1667     const boost::container::flat_set<IPv6AddressData>& ipv6Data)
1668 {
1669     constexpr const std::array<const char*, 1> inventoryForEthernet = {
1670         "xyz.openbmc_project.Inventory.Item.Ethernet"};
1671 
1672     nlohmann::json& jsonResponse = asyncResp->res.jsonValue;
1673     jsonResponse["Id"] = ifaceId;
1674     jsonResponse["@odata.id"] =
1675         "/redfish/v1/Managers/bmc/EthernetInterfaces/" + ifaceId;
1676     jsonResponse["InterfaceEnabled"] = ethData.nicEnabled;
1677 
1678     auto health = std::make_shared<HealthPopulate>(asyncResp);
1679 
1680     crow::connections::systemBus->async_method_call(
1681         [health](const boost::system::error_code ec,
1682                  std::vector<std::string>& resp) {
1683             if (ec)
1684             {
1685                 return;
1686             }
1687 
1688             health->inventory = std::move(resp);
1689         },
1690         "xyz.openbmc_project.ObjectMapper",
1691         "/xyz/openbmc_project/object_mapper",
1692         "xyz.openbmc_project.ObjectMapper", "GetSubTreePaths", "/", int32_t(0),
1693         inventoryForEthernet);
1694 
1695     health->populate();
1696 
1697     if (ethData.nicEnabled)
1698     {
1699         jsonResponse["LinkStatus"] = "LinkUp";
1700         jsonResponse["Status"]["State"] = "Enabled";
1701     }
1702     else
1703     {
1704         jsonResponse["LinkStatus"] = "NoLink";
1705         jsonResponse["Status"]["State"] = "Disabled";
1706     }
1707 
1708     jsonResponse["LinkStatus"] = ethData.linkUp ? "LinkUp" : "LinkDown";
1709     jsonResponse["SpeedMbps"] = ethData.speed;
1710     jsonResponse["MACAddress"] = ethData.mac_address;
1711     jsonResponse["DHCPv4"]["DHCPEnabled"] =
1712         translateDHCPEnabledToBool(ethData.DHCPEnabled, true);
1713     jsonResponse["DHCPv4"]["UseNTPServers"] = ethData.NTPEnabled;
1714     jsonResponse["DHCPv4"]["UseDNSServers"] = ethData.DNSEnabled;
1715     jsonResponse["DHCPv4"]["UseDomainName"] = ethData.HostNameEnabled;
1716 
1717     jsonResponse["DHCPv6"]["OperatingMode"] =
1718         translateDHCPEnabledToBool(ethData.DHCPEnabled, false) ? "Stateful"
1719                                                                : "Disabled";
1720     jsonResponse["DHCPv6"]["UseNTPServers"] = ethData.NTPEnabled;
1721     jsonResponse["DHCPv6"]["UseDNSServers"] = ethData.DNSEnabled;
1722     jsonResponse["DHCPv6"]["UseDomainName"] = ethData.HostNameEnabled;
1723 
1724     if (!ethData.hostname.empty())
1725     {
1726         jsonResponse["HostName"] = ethData.hostname;
1727 
1728         // When domain name is empty then it means, that it is a network
1729         // without domain names, and the host name itself must be treated as
1730         // FQDN
1731         std::string fqdn = ethData.hostname;
1732         if (!ethData.domainnames.empty())
1733         {
1734             fqdn += "." + ethData.domainnames[0];
1735         }
1736         jsonResponse["FQDN"] = fqdn;
1737     }
1738 
1739     jsonResponse["VLANs"] = {
1740         {"@odata.id",
1741          "/redfish/v1/Managers/bmc/EthernetInterfaces/" + ifaceId + "/VLANs"}};
1742 
1743     jsonResponse["NameServers"] = ethData.nameServers;
1744     jsonResponse["StaticNameServers"] = ethData.staticNameServers;
1745 
1746     nlohmann::json& ipv4Array = jsonResponse["IPv4Addresses"];
1747     nlohmann::json& ipv4StaticArray = jsonResponse["IPv4StaticAddresses"];
1748     ipv4Array = nlohmann::json::array();
1749     ipv4StaticArray = nlohmann::json::array();
1750     for (auto& ipv4Config : ipv4Data)
1751     {
1752 
1753         std::string gatewayStr = ipv4Config.gateway;
1754         if (gatewayStr.empty())
1755         {
1756             gatewayStr = "0.0.0.0";
1757         }
1758 
1759         ipv4Array.push_back({{"AddressOrigin", ipv4Config.origin},
1760                              {"SubnetMask", ipv4Config.netmask},
1761                              {"Address", ipv4Config.address},
1762                              {"Gateway", gatewayStr}});
1763         if (ipv4Config.origin == "Static")
1764         {
1765             ipv4StaticArray.push_back({{"AddressOrigin", ipv4Config.origin},
1766                                        {"SubnetMask", ipv4Config.netmask},
1767                                        {"Address", ipv4Config.address},
1768                                        {"Gateway", gatewayStr}});
1769         }
1770     }
1771 
1772     std::string ipv6GatewayStr = ethData.ipv6_default_gateway;
1773     if (ipv6GatewayStr.empty())
1774     {
1775         ipv6GatewayStr = "0:0:0:0:0:0:0:0";
1776     }
1777 
1778     jsonResponse["IPv6DefaultGateway"] = ipv6GatewayStr;
1779 
1780     nlohmann::json& ipv6Array = jsonResponse["IPv6Addresses"];
1781     nlohmann::json& ipv6StaticArray = jsonResponse["IPv6StaticAddresses"];
1782     ipv6Array = nlohmann::json::array();
1783     ipv6StaticArray = nlohmann::json::array();
1784     nlohmann::json& ipv6AddrPolicyTable =
1785         jsonResponse["IPv6AddressPolicyTable"];
1786     ipv6AddrPolicyTable = nlohmann::json::array();
1787     for (auto& ipv6Config : ipv6Data)
1788     {
1789         ipv6Array.push_back({{"Address", ipv6Config.address},
1790                              {"PrefixLength", ipv6Config.prefixLength},
1791                              {"AddressOrigin", ipv6Config.origin},
1792                              {"AddressState", nullptr}});
1793         if (ipv6Config.origin == "Static")
1794         {
1795             ipv6StaticArray.push_back(
1796                 {{"Address", ipv6Config.address},
1797                  {"PrefixLength", ipv6Config.prefixLength},
1798                  {"AddressOrigin", ipv6Config.origin},
1799                  {"AddressState", nullptr}});
1800         }
1801     }
1802 }
1803 
1804 void parseInterfaceData(nlohmann::json& jsonResponse,
1805                         const std::string& parentIfaceId,
1806                         const std::string& ifaceId,
1807                         const EthernetInterfaceData& ethData)
1808 {
1809     // Fill out obvious data...
1810     jsonResponse["Id"] = ifaceId;
1811     jsonResponse["@odata.id"] = "/redfish/v1/Managers/bmc/EthernetInterfaces/" +
1812                                 parentIfaceId + "/VLANs/" + ifaceId;
1813 
1814     jsonResponse["VLANEnable"] = true;
1815     if (!ethData.vlan_id.empty())
1816     {
1817         jsonResponse["VLANId"] = ethData.vlan_id.back();
1818     }
1819 }
1820 
1821 bool verifyNames(const std::string& parent, const std::string& iface)
1822 {
1823     if (!boost::starts_with(iface, parent + "_"))
1824     {
1825         return false;
1826     }
1827     return true;
1828 }
1829 
1830 inline void requestEthernetInterfacesRoutes(App& app)
1831 {
1832     BMCWEB_ROUTE(app, "/redfish/v1/Managers/bmc/EthernetInterfaces/")
1833         .privileges({"Login"})
1834         .methods(
1835             boost::beast::http::verb::
1836                 get)([](const crow::Request&,
1837                         const std::shared_ptr<bmcweb::AsyncResp>& asyncResp) {
1838             asyncResp->res.jsonValue["@odata.type"] =
1839                 "#EthernetInterfaceCollection.EthernetInterfaceCollection";
1840             asyncResp->res.jsonValue["@odata.id"] =
1841                 "/redfish/v1/Managers/bmc/EthernetInterfaces";
1842             asyncResp->res.jsonValue["Name"] =
1843                 "Ethernet Network Interface Collection";
1844             asyncResp->res.jsonValue["Description"] =
1845                 "Collection of EthernetInterfaces for this Manager";
1846 
1847             // Get eth interface list, and call the below callback for JSON
1848             // preparation
1849             getEthernetIfaceList([asyncResp](const bool& success,
1850                                              const boost::container::flat_set<
1851                                                  std::string>& ifaceList) {
1852                 if (!success)
1853                 {
1854                     messages::internalError(asyncResp->res);
1855                     return;
1856                 }
1857 
1858                 nlohmann::json& ifaceArray =
1859                     asyncResp->res.jsonValue["Members"];
1860                 ifaceArray = nlohmann::json::array();
1861                 std::string tag = "_";
1862                 for (const std::string& ifaceItem : ifaceList)
1863                 {
1864                     std::size_t found = ifaceItem.find(tag);
1865                     if (found == std::string::npos)
1866                     {
1867                         ifaceArray.push_back(
1868                             {{"@odata.id",
1869                               "/redfish/v1/Managers/bmc/EthernetInterfaces/" +
1870                                   ifaceItem}});
1871                     }
1872                 }
1873 
1874                 asyncResp->res.jsonValue["Members@odata.count"] =
1875                     ifaceArray.size();
1876                 asyncResp->res.jsonValue["@odata.id"] =
1877                     "/redfish/v1/Managers/bmc/EthernetInterfaces";
1878             });
1879         });
1880 
1881     BMCWEB_ROUTE(app, "/redfish/v1/Managers/bmc/EthernetInterfaces/<str>/")
1882         .privileges({"Login"})
1883         .methods(boost::beast::http::verb::get)(
1884             [](const crow::Request&,
1885                const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
1886                const std::string& ifaceId) {
1887                 getEthernetIfaceData(
1888                     ifaceId,
1889                     [asyncResp,
1890                      ifaceId](const bool& success,
1891                               const EthernetInterfaceData& ethData,
1892                               const boost::container::flat_set<IPv4AddressData>&
1893                                   ipv4Data,
1894                               const boost::container::flat_set<IPv6AddressData>&
1895                                   ipv6Data) {
1896                         if (!success)
1897                         {
1898                             // TODO(Pawel)consider distinguish between non
1899                             // existing object, and other errors
1900                             messages::resourceNotFound(
1901                                 asyncResp->res, "EthernetInterface", ifaceId);
1902                             return;
1903                         }
1904 
1905                         asyncResp->res.jsonValue["@odata.type"] =
1906                             "#EthernetInterface.v1_4_1.EthernetInterface";
1907                         asyncResp->res.jsonValue["Name"] =
1908                             "Manager Ethernet Interface";
1909                         asyncResp->res.jsonValue["Description"] =
1910                             "Management Network Interface";
1911 
1912                         parseInterfaceData(asyncResp, ifaceId, ethData,
1913                                            ipv4Data, ipv6Data);
1914                     });
1915             });
1916 
1917     BMCWEB_ROUTE(app, "/redfish/v1/Managers/bmc/EthernetInterfaces/<str>/")
1918         .privileges({"ConfigureComponents"})
1919         .methods(boost::beast::http::verb::patch)(
1920             [](const crow::Request& req,
1921                const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
1922                const std::string& ifaceId) {
1923                 std::optional<std::string> hostname;
1924                 std::optional<std::string> fqdn;
1925                 std::optional<std::string> macAddress;
1926                 std::optional<std::string> ipv6DefaultGateway;
1927                 std::optional<nlohmann::json> ipv4StaticAddresses;
1928                 std::optional<nlohmann::json> ipv6StaticAddresses;
1929                 std::optional<std::vector<std::string>> staticNameServers;
1930                 std::optional<nlohmann::json> dhcpv4;
1931                 std::optional<nlohmann::json> dhcpv6;
1932                 std::optional<bool> interfaceEnabled;
1933                 DHCPParameters v4dhcpParms;
1934                 DHCPParameters v6dhcpParms;
1935 
1936                 if (!json_util::readJson(
1937                         req, asyncResp->res, "HostName", hostname, "FQDN", fqdn,
1938                         "IPv4StaticAddresses", ipv4StaticAddresses,
1939                         "MACAddress", macAddress, "StaticNameServers",
1940                         staticNameServers, "IPv6DefaultGateway",
1941                         ipv6DefaultGateway, "IPv6StaticAddresses",
1942                         ipv6StaticAddresses, "DHCPv4", dhcpv4, "DHCPv6", dhcpv6,
1943                         "InterfaceEnabled", interfaceEnabled))
1944                 {
1945                     return;
1946                 }
1947                 if (dhcpv4)
1948                 {
1949                     if (!json_util::readJson(
1950                             *dhcpv4, asyncResp->res, "DHCPEnabled",
1951                             v4dhcpParms.dhcpv4Enabled, "UseDNSServers",
1952                             v4dhcpParms.useDNSServers, "UseNTPServers",
1953                             v4dhcpParms.useNTPServers, "UseDomainName",
1954                             v4dhcpParms.useUseDomainName))
1955                     {
1956                         return;
1957                     }
1958                 }
1959 
1960                 if (dhcpv6)
1961                 {
1962                     if (!json_util::readJson(
1963                             *dhcpv6, asyncResp->res, "OperatingMode",
1964                             v6dhcpParms.dhcpv6OperatingMode, "UseDNSServers",
1965                             v6dhcpParms.useDNSServers, "UseNTPServers",
1966                             v6dhcpParms.useNTPServers, "UseDomainName",
1967                             v6dhcpParms.useUseDomainName))
1968                     {
1969                         return;
1970                     }
1971                 }
1972 
1973                 // Get single eth interface data, and call the below callback
1974                 // for JSON preparation
1975                 getEthernetIfaceData(
1976                     ifaceId,
1977                     [asyncResp, ifaceId, hostname = std::move(hostname),
1978                      fqdn = std::move(fqdn), macAddress = std::move(macAddress),
1979                      ipv4StaticAddresses = std::move(ipv4StaticAddresses),
1980                      ipv6DefaultGateway = std::move(ipv6DefaultGateway),
1981                      ipv6StaticAddresses = std::move(ipv6StaticAddresses),
1982                      staticNameServers = std::move(staticNameServers),
1983                      dhcpv4 = std::move(dhcpv4), dhcpv6 = std::move(dhcpv6),
1984                      v4dhcpParms = std::move(v4dhcpParms),
1985                      v6dhcpParms = std::move(v6dhcpParms), interfaceEnabled](
1986                         const bool& success,
1987                         const EthernetInterfaceData& ethData,
1988                         const boost::container::flat_set<IPv4AddressData>&
1989                             ipv4Data,
1990                         const boost::container::flat_set<IPv6AddressData>&
1991                             ipv6Data) {
1992                         if (!success)
1993                         {
1994                             // ... otherwise return error
1995                             // TODO(Pawel)consider distinguish between non
1996                             // existing object, and other errors
1997                             messages::resourceNotFound(
1998                                 asyncResp->res, "Ethernet Interface", ifaceId);
1999                             return;
2000                         }
2001 
2002                         if (dhcpv4 || dhcpv6)
2003                         {
2004                             handleDHCPPatch(ifaceId, ethData, v4dhcpParms,
2005                                             v6dhcpParms, asyncResp);
2006                         }
2007 
2008                         if (hostname)
2009                         {
2010                             handleHostnamePatch(*hostname, asyncResp);
2011                         }
2012 
2013                         if (fqdn)
2014                         {
2015                             handleFqdnPatch(ifaceId, *fqdn, asyncResp);
2016                         }
2017 
2018                         if (macAddress)
2019                         {
2020                             handleMACAddressPatch(ifaceId, *macAddress,
2021                                                   asyncResp);
2022                         }
2023 
2024                         if (ipv4StaticAddresses)
2025                         {
2026                             // TODO(ed) for some reason the capture of
2027                             // ipv4Addresses above is returning a const value,
2028                             // not a non-const value. This doesn't really work
2029                             // for us, as we need to be able to efficiently move
2030                             // out the intermedia nlohmann::json objects. This
2031                             // makes a copy of the structure, and operates on
2032                             // that, but could be done more efficiently
2033                             nlohmann::json ipv4Static = *ipv4StaticAddresses;
2034                             handleIPv4StaticPatch(ifaceId, ipv4Static, ipv4Data,
2035                                                   asyncResp);
2036                         }
2037 
2038                         if (staticNameServers)
2039                         {
2040                             handleStaticNameServersPatch(
2041                                 ifaceId, *staticNameServers, asyncResp);
2042                         }
2043 
2044                         if (ipv6DefaultGateway)
2045                         {
2046                             messages::propertyNotWritable(asyncResp->res,
2047                                                           "IPv6DefaultGateway");
2048                         }
2049 
2050                         if (ipv6StaticAddresses)
2051                         {
2052                             nlohmann::json ipv6Static = *ipv6StaticAddresses;
2053                             handleIPv6StaticAddressesPatch(ifaceId, ipv6Static,
2054                                                            ipv6Data, asyncResp);
2055                         }
2056 
2057                         if (interfaceEnabled)
2058                         {
2059                             setEthernetInterfaceBoolProperty(
2060                                 ifaceId, "NICEnabled", *interfaceEnabled,
2061                                 asyncResp);
2062                         }
2063                     });
2064             });
2065 
2066     BMCWEB_ROUTE(
2067         app, "/redfish/v1/Managers/bmc/EthernetInterfaces/<str>/VLANs/<str>/")
2068         .privileges({"Login"})
2069         .methods(boost::beast::http::verb::get)(
2070             [](const crow::Request& /* req */,
2071                const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
2072                const std::string& parentIfaceId, const std::string& ifaceId) {
2073                 asyncResp->res.jsonValue["@odata.type"] =
2074                     "#VLanNetworkInterface.v1_1_0.VLanNetworkInterface";
2075                 asyncResp->res.jsonValue["Name"] = "VLAN Network Interface";
2076 
2077                 if (!verifyNames(parentIfaceId, ifaceId))
2078                 {
2079                     return;
2080                 }
2081 
2082                 // Get single eth interface data, and call the below callback
2083                 // for JSON preparation
2084                 getEthernetIfaceData(
2085                     ifaceId,
2086                     [asyncResp, parentIfaceId, ifaceId](
2087                         const bool& success,
2088                         const EthernetInterfaceData& ethData,
2089                         const boost::container::flat_set<IPv4AddressData>&,
2090                         const boost::container::flat_set<IPv6AddressData>&) {
2091                         if (success && ethData.vlan_id.size() != 0)
2092                         {
2093                             parseInterfaceData(asyncResp->res.jsonValue,
2094                                                parentIfaceId, ifaceId, ethData);
2095                         }
2096                         else
2097                         {
2098                             // ... otherwise return error
2099                             // TODO(Pawel)consider distinguish between non
2100                             // existing object, and other errors
2101                             messages::resourceNotFound(asyncResp->res,
2102                                                        "VLAN Network Interface",
2103                                                        ifaceId);
2104                         }
2105                     });
2106             });
2107 
2108     BMCWEB_ROUTE(
2109         app, "/redfish/v1/Managers/bmc/EthernetInterfaces/<str>/VLANs/<str>/")
2110         .privileges({"ConfigureComponents"})
2111         .methods(boost::beast::http::verb::patch)(
2112             [](const crow::Request& req,
2113                const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
2114                const std::string& parentIfaceId, const std::string& ifaceId) {
2115                 if (!verifyNames(parentIfaceId, ifaceId))
2116                 {
2117                     messages::resourceNotFound(
2118                         asyncResp->res, "VLAN Network Interface", ifaceId);
2119                     return;
2120                 }
2121 
2122                 bool vlanEnable = false;
2123                 uint32_t vlanId = 0;
2124 
2125                 if (!json_util::readJson(req, asyncResp->res, "VLANEnable",
2126                                          vlanEnable, "VLANId", vlanId))
2127                 {
2128                     return;
2129                 }
2130 
2131                 // Get single eth interface data, and call the below callback
2132                 // for JSON preparation
2133                 getEthernetIfaceData(
2134                     ifaceId,
2135                     [asyncResp, parentIfaceId, ifaceId, &vlanEnable, &vlanId](
2136                         const bool& success,
2137                         const EthernetInterfaceData& ethData,
2138                         const boost::container::flat_set<IPv4AddressData>&,
2139                         const boost::container::flat_set<IPv6AddressData>&) {
2140                         if (success && !ethData.vlan_id.empty())
2141                         {
2142                             auto callback =
2143                                 [asyncResp](
2144                                     const boost::system::error_code ec) {
2145                                     if (ec)
2146                                     {
2147                                         messages::internalError(asyncResp->res);
2148                                     }
2149                                 };
2150 
2151                             if (vlanEnable == true)
2152                             {
2153                                 crow::connections::systemBus->async_method_call(
2154                                     std::move(callback),
2155                                     "xyz.openbmc_project.Network",
2156                                     "/xyz/openbmc_project/network/" + ifaceId,
2157                                     "org.freedesktop.DBus.Properties", "Set",
2158                                     "xyz.openbmc_project.Network.VLAN", "Id",
2159                                     std::variant<uint32_t>(vlanId));
2160                             }
2161                             else
2162                             {
2163                                 BMCWEB_LOG_DEBUG
2164                                     << "vlanEnable is false. Deleting the "
2165                                        "vlan interface";
2166                                 crow::connections::systemBus->async_method_call(
2167                                     std::move(callback),
2168                                     "xyz.openbmc_project.Network",
2169                                     std::string(
2170                                         "/xyz/openbmc_project/network/") +
2171                                         ifaceId,
2172                                     "xyz.openbmc_project.Object.Delete",
2173                                     "Delete");
2174                             }
2175                         }
2176                         else
2177                         {
2178                             // TODO(Pawel)consider distinguish between non
2179                             // existing object, and other errors
2180                             messages::resourceNotFound(asyncResp->res,
2181                                                        "VLAN Network Interface",
2182                                                        ifaceId);
2183                             return;
2184                         }
2185                     });
2186             });
2187 
2188     BMCWEB_ROUTE(
2189         app, "/redfish/v1/Managers/bmc/EthernetInterfaces/<str>/VLANs/<str>/")
2190         .privileges({"ConfigureComponents"})
2191         .methods(boost::beast::http::verb::delete_)(
2192             [](const crow::Request& /* req */,
2193                const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
2194                const std::string& parentIfaceId, const std::string& ifaceId) {
2195                 if (!verifyNames(parentIfaceId, ifaceId))
2196                 {
2197                     messages::resourceNotFound(
2198                         asyncResp->res, "VLAN Network Interface", ifaceId);
2199                     return;
2200                 }
2201 
2202                 // Get single eth interface data, and call the below callback
2203                 // for JSON preparation
2204                 getEthernetIfaceData(
2205                     ifaceId,
2206                     [asyncResp, parentIfaceId, ifaceId](
2207                         const bool& success,
2208                         const EthernetInterfaceData& ethData,
2209                         const boost::container::flat_set<IPv4AddressData>&,
2210                         const boost::container::flat_set<IPv6AddressData>&) {
2211                         if (success && !ethData.vlan_id.empty())
2212                         {
2213                             auto callback =
2214                                 [asyncResp](
2215                                     const boost::system::error_code ec) {
2216                                     if (ec)
2217                                     {
2218                                         messages::internalError(asyncResp->res);
2219                                     }
2220                                 };
2221                             crow::connections::systemBus->async_method_call(
2222                                 std::move(callback),
2223                                 "xyz.openbmc_project.Network",
2224                                 std::string("/xyz/openbmc_project/network/") +
2225                                     ifaceId,
2226                                 "xyz.openbmc_project.Object.Delete", "Delete");
2227                         }
2228                         else
2229                         {
2230                             // ... otherwise return error
2231                             // TODO(Pawel)consider distinguish between non
2232                             // existing object, and other errors
2233                             messages::resourceNotFound(asyncResp->res,
2234                                                        "VLAN Network Interface",
2235                                                        ifaceId);
2236                         }
2237                     });
2238             });
2239 
2240     BMCWEB_ROUTE(app,
2241                  "/redfish/v1/Managers/bmc/EthernetInterfaces/<str>/VLANs/")
2242         .privileges({"Login"})
2243         .methods(
2244             boost::beast::http::verb::
2245                 get)([](const crow::Request& /* req */,
2246                         const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
2247                         const std::string& rootInterfaceName) {
2248             // Get eth interface list, and call the below callback for JSON
2249             // preparation
2250             getEthernetIfaceList([asyncResp, rootInterfaceName](
2251                                      const bool& success,
2252                                      const boost::container::flat_set<
2253                                          std::string>& ifaceList) {
2254                 if (!success)
2255                 {
2256                     messages::internalError(asyncResp->res);
2257                     return;
2258                 }
2259 
2260                 if (ifaceList.find(rootInterfaceName) == ifaceList.end())
2261                 {
2262                     messages::resourceNotFound(asyncResp->res,
2263                                                "VLanNetworkInterfaceCollection",
2264                                                rootInterfaceName);
2265                     return;
2266                 }
2267 
2268                 asyncResp->res.jsonValue["@odata.type"] =
2269                     "#VLanNetworkInterfaceCollection."
2270                     "VLanNetworkInterfaceCollection";
2271                 asyncResp->res.jsonValue["Name"] =
2272                     "VLAN Network Interface Collection";
2273 
2274                 nlohmann::json ifaceArray = nlohmann::json::array();
2275 
2276                 for (const std::string& ifaceItem : ifaceList)
2277                 {
2278                     if (boost::starts_with(ifaceItem, rootInterfaceName + "_"))
2279                     {
2280                         std::string path =
2281                             "/redfish/v1/Managers/bmc/EthernetInterfaces/";
2282                         path += rootInterfaceName;
2283                         path += "/VLANs/";
2284                         path += ifaceItem;
2285                         ifaceArray.push_back({{"@odata.id", std::move(path)}});
2286                     }
2287                 }
2288 
2289                 asyncResp->res.jsonValue["Members@odata.count"] =
2290                     ifaceArray.size();
2291                 asyncResp->res.jsonValue["Members"] = std::move(ifaceArray);
2292                 asyncResp->res.jsonValue["@odata.id"] =
2293                     "/redfish/v1/Managers/bmc/EthernetInterfaces/" +
2294                     rootInterfaceName + "/VLANs";
2295             });
2296         });
2297 
2298     BMCWEB_ROUTE(app,
2299                  "/redfish/v1/Managers/bmc/EthernetInterfaces/<str>/VLANs/")
2300         .privileges({"ConfigureComponents"})
2301         .methods(boost::beast::http::verb::post)(
2302             [](const crow::Request& req,
2303                const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
2304                const std::string& rootInterfaceName) {
2305                 bool vlanEnable = false;
2306                 uint32_t vlanId = 0;
2307                 if (!json_util::readJson(req, asyncResp->res, "VLANId", vlanId,
2308                                          "VLANEnable", vlanEnable))
2309                 {
2310                     return;
2311                 }
2312                 // Need both vlanId and vlanEnable to service this request
2313                 if (!vlanId)
2314                 {
2315                     messages::propertyMissing(asyncResp->res, "VLANId");
2316                 }
2317                 if (!vlanEnable)
2318                 {
2319                     messages::propertyMissing(asyncResp->res, "VLANEnable");
2320                 }
2321                 if (static_cast<bool>(vlanId) ^ vlanEnable)
2322                 {
2323                     return;
2324                 }
2325 
2326                 auto callback =
2327                     [asyncResp](const boost::system::error_code ec) {
2328                         if (ec)
2329                         {
2330                             // TODO(ed) make more consistent error messages
2331                             // based on phosphor-network responses
2332                             messages::internalError(asyncResp->res);
2333                             return;
2334                         }
2335                         messages::created(asyncResp->res);
2336                     };
2337                 crow::connections::systemBus->async_method_call(
2338                     std::move(callback), "xyz.openbmc_project.Network",
2339                     "/xyz/openbmc_project/network",
2340                     "xyz.openbmc_project.Network.VLAN.Create", "VLAN",
2341                     rootInterfaceName, vlanId);
2342             });
2343 }
2344 
2345 } // namespace redfish
2346