1 /*
2  * Copyright 2018 Google Inc.
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 
17 #include "updater.hpp"
18 
19 #include "firmware_handler.hpp"
20 #include "handler.hpp"
21 #include "status.hpp"
22 #include "tool_errors.hpp"
23 #include "util.hpp"
24 
25 #include <algorithm>
26 #include <blobs-ipmid/blobs.hpp>
27 #include <cstring>
28 #include <ipmiblob/blob_errors.hpp>
29 #include <memory>
30 #include <string>
31 #include <thread>
32 #include <vector>
33 
34 namespace host_tool
35 {
36 
37 void updaterMain(UpdateHandlerInterface* updater, const std::string& imagePath,
38                  const std::string& signaturePath)
39 {
40     /* TODO(venture): Add optional parameter to specify the flash type, default
41      * to legacy for now.
42      */
43     bool goalSupported =
44         updater->checkAvailable(ipmi_flash::staticLayoutBlobId);
45     if (!goalSupported)
46     {
47         throw ToolException("Goal firmware or interface not supported");
48     }
49 
50     /* Yay, our data handler is supported. */
51     try
52     {
53 
54         /* Send over the firmware image. */
55         std::fprintf(stderr, "Sending over the firmware image.\n");
56         updater->sendFile(ipmi_flash::staticLayoutBlobId, imagePath);
57 
58         /* Send over the hash contents. */
59         std::fprintf(stderr, "Sending over the hash file.\n");
60         updater->sendFile(ipmi_flash::hashBlobId, signaturePath);
61 
62         /* Trigger the verification by opening and committing the verify file.
63          */
64         std::fprintf(stderr, "Opening the verification file\n");
65         if (updater->verifyFile(ipmi_flash::verifyBlobId))
66         {
67             std::fprintf(stderr, "succeeded\n");
68         }
69         else
70         {
71             std::fprintf(stderr, "failed\n");
72             throw ToolException("Verification failed");
73         }
74 
75         /* Trigger the update by opening and committing the update file. */
76         std::fprintf(stderr, "Opening the update file\n");
77         if (updater->verifyFile(ipmi_flash::updateBlobId))
78         {
79             std::fprintf(stderr, "succeeded\n");
80         }
81         else
82         {
83             /* Depending on the update mechanism used, this may be
84              * uninteresting. For instance, for the static layout, we use the
85              * reboot update mechanism.  Which doesn't always lead to a
86              * successful return before the BMC starts shutting down services.
87              */
88             std::fprintf(stderr, "failed\n");
89             throw ToolException("Update failed");
90         }
91     }
92     catch (...)
93     {
94         updater->cleanArtifacts();
95         throw;
96     }
97 }
98 
99 } // namespace host_tool
100