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 "flags.hpp"
20 #include "handler.hpp"
21 #include "status.hpp"
22 #include "tool_errors.hpp"
23 #include "util.hpp"
24 
25 #include <algorithm>
26 #include <cstring>
27 #include <ipmiblob/blob_errors.hpp>
28 #include <memory>
29 #include <string>
30 #include <thread>
31 #include <vector>
32 
33 namespace host_tool
34 {
35 
36 void updaterMain(UpdateHandlerInterface* updater, const std::string& imagePath,
37                  const std::string& signaturePath,
38                  const std::string& layoutType)
39 {
40     const auto& layout = (layoutType == "static")
41                              ? ipmi_flash::staticLayoutBlobId
42                              : ipmi_flash::ubiTarballBlobId;
43 
44     bool goalSupported = updater->checkAvailable(layout);
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         /* Send over the firmware image. */
54         std::fprintf(stderr, "Sending over the firmware image.\n");
55         updater->sendFile(layout, imagePath);
56 
57         /* Send over the hash contents. */
58         std::fprintf(stderr, "Sending over the hash file.\n");
59         updater->sendFile(ipmi_flash::hashBlobId, signaturePath);
60 
61         /* Trigger the verification by opening and committing the verify file.
62          */
63         std::fprintf(stderr, "Opening the verification file\n");
64         if (updater->verifyFile(ipmi_flash::verifyBlobId))
65         {
66             std::fprintf(stderr, "succeeded\n");
67         }
68         else
69         {
70             std::fprintf(stderr, "failed\n");
71             throw ToolException("Verification failed");
72         }
73 
74         /* Trigger the update by opening and committing the update file. */
75         std::fprintf(stderr, "Opening the update file\n");
76         if (updater->verifyFile(ipmi_flash::updateBlobId))
77         {
78             std::fprintf(stderr, "succeeded\n");
79         }
80         else
81         {
82             /* Depending on the update mechanism used, this may be
83              * uninteresting. For instance, for the static layout, we use the
84              * reboot update mechanism.  Which doesn't always lead to a
85              * successful return before the BMC starts shutting down services.
86              */
87             std::fprintf(stderr, "failed\n");
88             throw ToolException("Update failed");
89         }
90     }
91     catch (...)
92     {
93         updater->cleanArtifacts();
94         throw;
95     }
96 }
97 
98 } // namespace host_tool
99