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 <algorithm>
20 #include <memory>
21 
22 int updaterMain(BlobInterface* blob, DataInterface* handler,
23                 const std::string& imagePath, const std::string& signaturePath)
24 {
25     /* TODO(venture): Add optional parameter to specify the flash type, default
26      * to legacy for now.
27      */
28     std::string goalFirmware = "/flash/image";
29 
30     /* Get list of blob_ids, check for /flash/image, or /flash/tarball.
31      * TODO(venture) the mechanism doesn't care, but the caller of burn_my_bmc
32      * will have in mind which they're sending and we need to verify it's
33      * available and use it.
34      */
35     std::vector<std::string> blobs = blob->getBlobList();
36     auto blobInst = std::find(blobs.begin(), blobs.end(), goalFirmware);
37     if (blobInst == blobs.end())
38     {
39         std::fprintf(stderr, "firmware goal not found!\n");
40         return -1; /* throw custom exception. */
41     }
42 
43     /* Call stat on /flash/image (or /flash/tarball) and check if data interface
44      * is supported.
45      */
46     auto stat = blob->getStat(goalFirmware);
47     if ((stat.blob_state & handler->supportedType()) == 0)
48     {
49         std::fprintf(stderr, "data interface selected not supported.\n");
50         return -1; /* throw custom exception. */
51     }
52 
53     return 0;
54 }
55