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 <ipmiblob/blob_errors.hpp>
26
27 #include <algorithm>
28 #include <cstring>
29 #include <memory>
30 #include <string>
31 #include <thread>
32 #include <unordered_map>
33 #include <vector>
34
35 namespace host_tool
36 {
37
updaterMain(UpdateHandlerInterface * updater,ipmiblob::BlobInterface * blob,const std::string & imagePath,const std::string & signaturePath,const std::string & layoutType,bool ignoreUpdate)38 void updaterMain(UpdateHandlerInterface* updater, ipmiblob::BlobInterface* blob,
39 const std::string& imagePath, const std::string& signaturePath,
40 const std::string& layoutType, bool ignoreUpdate)
41 {
42 /* TODO: validate the layoutType isn't a special value such as: 'update',
43 * 'verify', or 'hash'
44 */
45 std::string layout = "/flash/" + layoutType;
46
47 bool goalSupported = updater->checkAvailable(layout);
48 if (!goalSupported)
49 {
50 throw ToolException("Goal firmware not supported");
51 }
52
53 // Clean all active blobs to support multiple stages
54 // Check for any active blobs and delete the first one found to reset the
55 // BMC's phosphor-ipmi-flash state machine then clean any leftover artifacts
56 const auto blobList = blob->getBlobList();
57 for (const auto& activeBlob : blobList)
58 {
59 // Prefix is /flash/active/
60 if (activeBlob.starts_with("/flash/active/"))
61 {
62 std::fprintf(stderr, "Found an active blob, deleting %s\n",
63 activeBlob.c_str());
64 blob->deleteBlob(activeBlob);
65 updater->cleanArtifacts();
66 break;
67 }
68 }
69
70 /* Yay, our layout type is supported. */
71 try
72 {
73 /* Send over the firmware image. */
74 std::fprintf(stderr, "Sending over the firmware image.\n");
75 updater->sendFile(layout, imagePath);
76
77 /* Send over the hash contents. */
78 std::fprintf(stderr, "Sending over the hash file.\n");
79 updater->sendFile(ipmi_flash::hashBlobId, signaturePath);
80
81 /* Trigger the verification by opening and committing the verify file.
82 */
83 std::fprintf(stderr, "Opening the verification file\n");
84 if (updater->verifyFile(ipmi_flash::verifyBlobId, false))
85 {
86 std::fprintf(stderr, "succeeded\n");
87 }
88 else
89 {
90 std::fprintf(stderr, "failed\n");
91 throw ToolException("Verification failed");
92 }
93
94 /* Trigger the update by opening and committing the update file. */
95 std::fprintf(stderr, "Opening the update file\n");
96 if (updater->verifyFile(ipmi_flash::updateBlobId, ignoreUpdate))
97 {
98 std::fprintf(stderr, "succeeded\n");
99 }
100 else
101 {
102 /* Depending on the update mechanism used, this may be
103 * uninteresting. For instance, for the static layout, we use the
104 * reboot update mechanism. Which doesn't always lead to a
105 * successful return before the BMC starts shutting down services.
106 */
107 std::fprintf(stderr, "failed\n");
108 throw ToolException("Update failed");
109 }
110 }
111 catch (...)
112 {
113 updater->cleanArtifacts();
114 throw;
115 }
116 }
117
118 } // namespace host_tool
119