diff options
Diffstat (limited to 'meta-openbmc-mods/meta-common/recipes-network/network/phosphor-network/0003-Adding-channel-specific-privilege-to-network.patch')
| -rw-r--r-- | meta-openbmc-mods/meta-common/recipes-network/network/phosphor-network/0003-Adding-channel-specific-privilege-to-network.patch | 404 |
1 files changed, 404 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-network/network/phosphor-network/0003-Adding-channel-specific-privilege-to-network.patch b/meta-openbmc-mods/meta-common/recipes-network/network/phosphor-network/0003-Adding-channel-specific-privilege-to-network.patch new file mode 100644 index 000000000..79e8d96cc --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-network/network/phosphor-network/0003-Adding-channel-specific-privilege-to-network.patch @@ -0,0 +1,404 @@ +From f28e3694f4b15c6eee58733f57213d360fc5ac7a Mon Sep 17 00:00:00 2001 +From: AppaRao Puli <apparao.puli@linux.intel.com> +Date: Wed, 5 Sep 2018 14:16:54 +0530 +Subject: [PATCH 2/2] Adding channel specific privilege to network + + - Adding the channel access information to the network + interface object. This privilege will be used in + channel specific authorization. + - Get supported priv from user manager service dynamically. + - Signal handling for capturing the supported priv list + changes from user managerment. + +Tested-by: +Verified channel access through ipmitool get/set channel +access command + +Change-Id: I3b592a19363eef684e31d5f7c34dad8f2f9211df +Signed-off-by: AppaRao Puli <apparao.puli@linux.intel.com> +Signed-off-by: Yong Li <yong.b.li@linux.intel.com> +--- + ethernet_interface.cpp | 116 +++++++++++++++++++++++++++++++++++++++++ + ethernet_interface.hpp | 39 +++++++++++++- + network_manager.cpp | 104 ++++++++++++++++++++++++++++++++++++ + network_manager.hpp | 9 ++++ + 4 files changed, 267 insertions(+), 1 deletion(-) + +diff --git a/ethernet_interface.cpp b/ethernet_interface.cpp +index aa1c895..e3ea33c 100644 +--- a/ethernet_interface.cpp ++++ b/ethernet_interface.cpp +@@ -35,6 +35,9 @@ using namespace phosphor::logging; + using namespace sdbusplus::xyz::openbmc_project::Common::Error; + using Argument = xyz::openbmc_project::Common::InvalidArgument; + ++static constexpr const char* networkChannelCfgFile = ++ "/var/channel_intf_data.json"; ++static constexpr const char* defaultChannelPriv = "priv-admin"; + EthernetInterface::EthernetInterface(sdbusplus::bus::bus& bus, + const std::string& objPath, + bool dhcpEnabled, Manager& parent, +@@ -51,6 +54,7 @@ EthernetInterface::EthernetInterface(sdbusplus::bus::bus& bus, + MacAddressIntf::mACAddress(getMACAddress(intfName)); + EthernetInterfaceIntf::nTPServers(getNTPServersFromConf()); + EthernetInterfaceIntf::nameservers(getNameServerFromConf()); ++ getChannelPrivilege(intfName); + + // Emit deferred signal. + if (emitSignal) +@@ -837,5 +841,117 @@ void EthernetInterface::deleteAll() + manager.writeToConfigurationFile(); + } + ++nlohmann::json EthernetInterface::readJsonFile(const std::string& configFile) ++{ ++ std::ifstream jsonFile(configFile); ++ if (!jsonFile.good()) ++ { ++ log<level::ERR>("JSON file not found"); ++ return nullptr; ++ } ++ ++ nlohmann::json data = nullptr; ++ try ++ { ++ data = nlohmann::json::parse(jsonFile, nullptr, false); ++ } ++ catch (nlohmann::json::parse_error& e) ++ { ++ log<level::DEBUG>("Corrupted channel config.", ++ entry("MSG: %s", e.what())); ++ throw std::runtime_error("Corrupted channel config file"); ++ } ++ ++ return data; ++} ++ ++int EthernetInterface::writeJsonFile(const std::string& configFile, ++ const nlohmann::json& jsonData) ++{ ++ std::ofstream jsonFile(configFile); ++ if (!jsonFile.good()) ++ { ++ log<level::ERR>("JSON file open failed", ++ entry("FILE=%s", networkChannelCfgFile)); ++ return -1; ++ } ++ ++ // Write JSON to file ++ jsonFile << jsonData; ++ ++ jsonFile.flush(); ++ return 0; ++} ++ ++std::string ++ EthernetInterface::getChannelPrivilege(const std::string& interfaceName) ++{ ++ std::string priv(defaultChannelPriv); ++ std::string retPriv; ++ ++ nlohmann::json jsonData = readJsonFile(networkChannelCfgFile); ++ if (jsonData != nullptr) ++ { ++ try ++ { ++ priv = jsonData[interfaceName].get<std::string>(); ++ retPriv = ChannelAccessIntf::maxPrivilege(std::move(priv)); ++ return retPriv; ++ } ++ catch (const nlohmann::json::exception& e) ++ { ++ jsonData[interfaceName] = priv; ++ } ++ } ++ else ++ { ++ jsonData[interfaceName] = priv; ++ } ++ ++ if (writeJsonFile(networkChannelCfgFile, jsonData) != 0) ++ { ++ log<level::DEBUG>("Error in write JSON data to file", ++ entry("FILE=%s", networkChannelCfgFile)); ++ elog<InternalFailure>(); ++ } ++ ++ retPriv = ChannelAccessIntf::maxPrivilege(std::move(priv)); ++ ++ return retPriv; ++} ++ ++std::string EthernetInterface::maxPrivilege(std::string priv) ++{ ++ std::string intfName = interfaceName(); ++ ++ if (!priv.empty() && (std::find(manager.supportedPrivList.begin(), ++ manager.supportedPrivList.end(), ++ priv) == manager.supportedPrivList.end())) ++ { ++ log<level::ERR>("Invalid privilege"); ++ elog<InvalidArgument>(Argument::ARGUMENT_NAME("Privilege"), ++ Argument::ARGUMENT_VALUE(priv.c_str())); ++ } ++ ++ if (ChannelAccessIntf::maxPrivilege() == priv) ++ { ++ // No change in privilege so just return. ++ return priv; ++ } ++ ++ nlohmann::json jsonData = readJsonFile(networkChannelCfgFile); ++ jsonData[intfName] = priv; ++ ++ if (writeJsonFile(networkChannelCfgFile, jsonData) != 0) ++ { ++ log<level::DEBUG>("Error in write JSON data to file", ++ entry("FILE=%s", networkChannelCfgFile)); ++ elog<InternalFailure>(); ++ } ++ ++ // Property change signal will be sent ++ return ChannelAccessIntf::maxPrivilege(std::move(priv)); ++} ++ + } // namespace network + } // namespace phosphor +diff --git a/ethernet_interface.hpp b/ethernet_interface.hpp +index 55fd7d9..7bf93a6 100644 +--- a/ethernet_interface.hpp ++++ b/ethernet_interface.hpp +@@ -2,10 +2,13 @@ + + #include "types.hpp" + #include "util.hpp" ++#include "xyz/openbmc_project/Channel/ChannelAccess/server.hpp" + #include "xyz/openbmc_project/Network/IP/Create/server.hpp" + + #include <experimental/filesystem> ++#include <nlohmann/json.hpp> + #include <sdbusplus/bus.hpp> ++#include <sdbusplus/bus/match.hpp> + #include <sdbusplus/server/object.hpp> + #include <string> + #include <xyz/openbmc_project/Collection/DeleteAll/server.hpp> +@@ -21,7 +24,8 @@ using Ifaces = sdbusplus::server::object::object< + sdbusplus::xyz::openbmc_project::Network::server::EthernetInterface, + sdbusplus::xyz::openbmc_project::Network::server::MACAddress, + sdbusplus::xyz::openbmc_project::Network::IP::server::Create, +- sdbusplus::xyz::openbmc_project::Collection::server::DeleteAll>; ++ sdbusplus::xyz::openbmc_project::Collection::server::DeleteAll, ++ sdbusplus::xyz::openbmc_project::Channel::server::ChannelAccess>; + + using IP = sdbusplus::xyz::openbmc_project::Network::server::IP; + +@@ -29,10 +33,15 @@ using EthernetInterfaceIntf = + sdbusplus::xyz::openbmc_project::Network::server::EthernetInterface; + using MacAddressIntf = + sdbusplus::xyz::openbmc_project::Network::server::MACAddress; ++using ChannelAccessIntf = ++ sdbusplus::xyz::openbmc_project::Channel::server::ChannelAccess; + + using ServerList = std::vector<std::string>; + using ObjectPath = sdbusplus::message::object_path; + ++using DbusVariant = ++ sdbusplus::message::variant<std::string, std::vector<std::string>>; ++ + namespace fs = std::experimental::filesystem; + + class Manager; // forward declaration of network manager. +@@ -153,6 +162,14 @@ class EthernetInterface : public Ifaces + */ + void deleteAll(); + ++ /** @brief sets the channel maxium privilege. ++ * @param[in] value - Channel privilege which needs to be set on the ++ * system. ++ * @returns privilege of the interface or throws an error. ++ */ ++ std::string maxPrivilege(std::string value) override; ++ ++ using ChannelAccessIntf::maxPrivilege; + using EthernetInterfaceIntf::dHCPEnabled; + using EthernetInterfaceIntf::interfaceName; + using MacAddressIntf::mACAddress; +@@ -256,6 +273,26 @@ class EthernetInterface : public Ifaces + std::string objPath; + + friend class TestEthernetInterface; ++ ++ /** @brief gets the channel privilege. ++ * @param[in] interfaceName - Network interface name. ++ * @returns privilege of the interface ++ */ ++ std::string getChannelPrivilege(const std::string& interfaceName); ++ ++ /** @brief reads the channel access info from file. ++ * @param[in] configFile - channel access filename ++ * @returns json file data ++ */ ++ nlohmann::json readJsonFile(const std::string& configFile); ++ ++ /** @brief writes the channel access info to file. ++ * @param[in] configFile - channel access filename ++ * @param[in] jsonData - json data to write ++ * @returns success or failure ++ */ ++ int writeJsonFile(const std::string& configFile, ++ const nlohmann::json& jsonData); + }; + + } // namespace network +diff --git a/network_manager.cpp b/network_manager.cpp +index fa5da0f..a5020f0 100644 +--- a/network_manager.cpp ++++ b/network_manager.cpp +@@ -34,6 +34,13 @@ extern std::unique_ptr<Timer> restartTimer; + using namespace phosphor::logging; + using namespace sdbusplus::xyz::openbmc_project::Common::Error; + ++static constexpr const char* userMgrObjBasePath = "/xyz/openbmc_project/user"; ++static constexpr const char* userMgrInterface = ++ "xyz.openbmc_project.User.Manager"; ++static constexpr const char* propNameAllPrivileges = "AllPrivileges"; ++ ++std::unique_ptr<sdbusplus::bus::match_t> usrMgmtSignal(nullptr); ++ + Manager::Manager(sdbusplus::bus::bus& bus, const char* objPath, + const std::string& path) : + details::VLANCreateIface(bus, objPath, true), +@@ -41,6 +48,103 @@ Manager::Manager(sdbusplus::bus::bus& bus, const char* objPath, + { + fs::path confDir(path); + setConfDir(confDir); ++ initSupportedPrivilges(); ++} ++ ++std::string getUserService(sdbusplus::bus::bus& bus, const std::string& intf, ++ const std::string& path) ++{ ++ auto mapperCall = ++ bus.new_method_call("xyz.openbmc_project.ObjectMapper", ++ "/xyz/openbmc_project/object_mapper", ++ "xyz.openbmc_project.ObjectMapper", "GetObject"); ++ ++ mapperCall.append(path); ++ mapperCall.append(std::vector<std::string>({intf})); ++ ++ auto mapperResponseMsg = bus.call(mapperCall); ++ ++ std::map<std::string, std::vector<std::string>> mapperResponse; ++ mapperResponseMsg.read(mapperResponse); ++ ++ if (mapperResponse.begin() == mapperResponse.end()) ++ { ++ throw std::runtime_error("ERROR in reading the mapper response"); ++ } ++ ++ return mapperResponse.begin()->first; ++} ++ ++std::string Manager::getUserServiceName() ++{ ++ static std::string userMgmtService; ++ if (userMgmtService.empty()) ++ { ++ try ++ { ++ userMgmtService = ++ getUserService(bus, userMgrInterface, userMgrObjBasePath); ++ } ++ catch (const std::exception& e) ++ { ++ log<level::ERR>("Exception caught in getUserServiceName."); ++ userMgmtService.clear(); ++ } ++ } ++ return userMgmtService; ++} ++ ++void Manager::initSupportedPrivilges() ++{ ++ std::string userServiceName = getUserServiceName(); ++ if (!userServiceName.empty()) ++ { ++ auto method = bus.new_method_call( ++ getUserServiceName().c_str(), userMgrObjBasePath, ++ "org.freedesktop.DBus.Properties", "Get"); ++ method.append(userMgrInterface, propNameAllPrivileges); ++ ++ auto reply = bus.call(method); ++ if (reply.is_method_error()) ++ { ++ log<level::DEBUG>("get-property AllPrivileges failed", ++ entry("OBJPATH:%s", userMgrObjBasePath), ++ entry("INTERFACE:%s", userMgrInterface)); ++ return; ++ } ++ ++ sdbusplus::message::variant<std::vector<std::string>> result; ++ reply.read(result); ++ ++ supportedPrivList = ++ sdbusplus::message::variant_ns::get<std::vector<std::string>>( ++ result); ++ } ++ ++ // Resgister the signal ++ if (usrMgmtSignal == nullptr) ++ { ++ log<level::DEBUG>("Registering User.Manager propertychange signal."); ++ usrMgmtSignal = std::make_unique<sdbusplus::bus::match_t>( ++ bus, ++ sdbusplus::bus::match::rules::propertiesChanged(userMgrObjBasePath, ++ userMgrInterface), ++ [&](sdbusplus::message::message& msg) { ++ log<level::DEBUG>("UserMgr properties changed signal"); ++ std::map<std::string, DbusVariant> props; ++ std::string iface; ++ msg.read(iface, props); ++ for (const auto& t : props) ++ { ++ if (t.first == propNameAllPrivileges) ++ { ++ supportedPrivList = sdbusplus::message::variant_ns::get< ++ std::vector<std::string>>(t.second); ++ } ++ } ++ }); ++ } ++ return; + } + + bool Manager::createDefaultNetworkFiles(bool force) +diff --git a/network_manager.hpp b/network_manager.hpp +index edb341f..e16b205 100644 +--- a/network_manager.hpp ++++ b/network_manager.hpp +@@ -137,6 +137,9 @@ class Manager : public details::VLANCreateIface + return (interfaces.find(intf) != interfaces.end()); + } + ++ /** supported privilege list **/ ++ std::vector<std::string> supportedPrivList; ++ + protected: + /** @brief Persistent sdbusplus DBus bus connection. */ + sdbusplus::bus::bus& bus; +@@ -159,6 +162,12 @@ class Manager : public details::VLANCreateIface + + /** @brief Network Configuration directory. */ + fs::path confDir; ++ ++ /** Get the user management service name dynamically **/ ++ std::string getUserServiceName(); ++ ++ /** @brief initializes the supportedPrivilege List */ ++ void initSupportedPrivilges(); + }; + + } // namespace network +-- +2.17.1 + |