1 /*
2 * Copyright (C) 2020 The Android Open Source Project
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 #include "linkerconfig/apex.h"
17
18 #include <unistd.h>
19
20 #include <apexutil.h>
21
22 #include "linkerconfig/stringutil.h"
23
24 namespace {
25
DirExists(const std::string & path)26 bool DirExists(const std::string& path) {
27 return access(path.c_str(), F_OK) == 0;
28 }
29
30 } // namespace
31
32 namespace android {
33 namespace linkerconfig {
34 namespace modules {
35
ScanActiveApexes(const std::string & root)36 std::map<std::string, ApexInfo> ScanActiveApexes(const std::string& root) {
37 std::map<std::string, ApexInfo> apexes;
38 const auto apex_root = root + apex::kApexRoot;
39 for (const auto& [path, manifest] : apex::GetActivePackages(apex_root)) {
40 bool has_bin = DirExists(path + "/bin");
41 bool has_lib = DirExists(path + "/lib") || DirExists(path + "/lib64");
42 ApexInfo info(manifest.name(),
43 TrimPrefix(path, root),
44 {manifest.providenativelibs().begin(),
45 manifest.providenativelibs().end()},
46 {manifest.requirenativelibs().begin(),
47 manifest.requirenativelibs().end()},
48 {manifest.jnilibs().begin(), manifest.jnilibs().end()},
49 has_bin,
50 has_lib);
51 apexes.emplace(manifest.name(), std::move(info));
52 }
53 return apexes;
54 }
55
56 } // namespace modules
57 } // namespace linkerconfig
58 } // namespace android