1 #include "open_session.hpp"
2 
3 #include "comm_module.hpp"
4 #include "endian.hpp"
5 #include "main.hpp"
6 
7 #include <phosphor-logging/log.hpp>
8 
9 using namespace phosphor::logging;
10 
11 namespace command
12 {
13 
14 std::vector<uint8_t> openSession(const std::vector<uint8_t>& inPayload,
15                                  const message::Handler& handler)
16 {
17 
18     std::vector<uint8_t> outPayload(sizeof(OpenSessionResponse));
19     auto request =
20         reinterpret_cast<const OpenSessionRequest*>(inPayload.data());
21     auto response = reinterpret_cast<OpenSessionResponse*>(outPayload.data());
22 
23     // Check for valid Authentication Algorithms
24     if (!cipher::rakp_auth::Interface::isAlgorithmSupported(
25             static_cast<cipher::rakp_auth::Algorithms>(request->authAlgo)))
26     {
27         response->status_code =
28             static_cast<uint8_t>(RAKP_ReturnCode::INVALID_AUTH_ALGO);
29         return outPayload;
30     }
31 
32     // Check for valid Integrity Algorithms
33     if (!cipher::integrity::Interface::isAlgorithmSupported(
34             static_cast<cipher::integrity::Algorithms>(request->intAlgo)))
35     {
36         response->status_code =
37             static_cast<uint8_t>(RAKP_ReturnCode::INVALID_INTEGRITY_ALGO);
38         return outPayload;
39     }
40 
41     // Check for valid Confidentiality Algorithms
42     if (!cipher::crypt::Interface::isAlgorithmSupported(
43             static_cast<cipher::crypt::Algorithms>(request->confAlgo)))
44     {
45         response->status_code =
46             static_cast<uint8_t>(RAKP_ReturnCode::INVALID_CONF_ALGO);
47         return outPayload;
48     }
49 
50     std::shared_ptr<session::Session> session;
51     try
52     {
53         // Start an IPMI session
54         session =
55             std::get<session::Manager&>(singletonPool)
56                 .startSession(
57                     endian::from_ipmi<>(request->remoteConsoleSessionID),
58                     static_cast<session::Privilege>(request->maxPrivLevel),
59                     static_cast<cipher::rakp_auth::Algorithms>(
60                         request->authAlgo),
61                     static_cast<cipher::integrity::Algorithms>(
62                         request->intAlgo),
63                     static_cast<cipher::crypt::Algorithms>(request->confAlgo));
64     }
65     catch (std::exception& e)
66     {
67         response->status_code =
68             static_cast<uint8_t>(RAKP_ReturnCode::INSUFFICIENT_RESOURCE);
69         log<level::ERR>("openSession : Problem opening a session",
70                         entry("EXCEPTION=%s", e.what()));
71         return outPayload;
72     }
73 
74     response->messageTag = request->messageTag;
75     response->status_code = static_cast<uint8_t>(RAKP_ReturnCode::NO_ERROR);
76     response->maxPrivLevel = static_cast<uint8_t>(session->curPrivLevel);
77     response->remoteConsoleSessionID = request->remoteConsoleSessionID;
78     response->managedSystemSessionID =
79         endian::to_ipmi<>(session->getBMCSessionID());
80 
81     response->authPayload = request->authPayload;
82     response->authPayloadLen = request->authPayloadLen;
83     response->authAlgo = request->authAlgo;
84 
85     response->intPayload = request->intPayload;
86     response->intPayloadLen = request->intPayloadLen;
87     response->intAlgo = request->intAlgo;
88 
89     response->confPayload = request->confPayload;
90     response->confPayloadLen = request->confPayloadLen;
91     response->confAlgo = request->confAlgo;
92 
93     session->updateLastTransactionTime();
94 
95     // Session state is Setup in progress
96     session->state = session::State::SETUP_IN_PROGRESS;
97     return outPayload;
98 }
99 
100 } // namespace command
101