1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <getopt.h>
#include <sysexits.h>
#include <libvbmeta/libvbmeta.h>
using android::fs_mgr::WriteToSuperVBMetaFile;
/* Prints program usage to |where|. */
static int usage(int /* argc */, char* argv[]) {
fprintf(stderr,
"%s - command-line tool for creating Super VBMeta Image.\n"
"\n"
"Usage:\n"
" %s [options]\n"
"\n"
"Required options:\n"
" -o,--output=FILE Output file.\n"
"\n"
"Optional:\n"
" -i,--image=VBMETA_NAME=FILE include the given vbmeta file as\n"
" initial data for the super vbmeta.\n",
argv[0], argv[0]);
return EX_USAGE;
}
int main(int argc, char* argv[]) {
struct option options[] = {
{ "help", no_argument, nullptr, 'h' },
{ "image", required_argument, nullptr, 'i' },
{ "output", required_argument, nullptr, 'o' },
{ nullptr, 0, nullptr, 0 },
};
std::string output_path;
std::map<std::string, std::string> images;
int rv;
while ((rv = getopt_long_only(argc, argv, "i:o:", options, NULL)) != -1) {
switch (rv) {
case 'h':
return usage(argc, argv);
case 'i':
{
char* separator = strchr(optarg, '=');
if (!separator || separator == optarg || !strlen(separator + 1)) {
fprintf(stderr, "Expected VBMETA_NAME=FILE.\n");
return EX_USAGE;
}
*separator = '\0';
std::string vbmeta_name(optarg);
std::string file(separator + 1);
images[vbmeta_name] = file;
break;
}
case 'o':
output_path = optarg;
break;
default:
break;
}
}
// Check for empty arguments so we can print a more helpful message rather
// than error on each individual missing argument.
if (optind == 1) {
return usage(argc, argv);
}
if (output_path.empty()) {
fprintf(stderr, "--output must specify a valid path.\n");
return EX_USAGE;
}
if (!WriteToSuperVBMetaFile(output_path.c_str(), images)) {
return EX_CANTCREAT;
}
return EX_OK;
}
|
