You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
64 lines
2.0 KiB
64 lines
2.0 KiB
/*
|
|
* Copyright (C) 2020 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 "include/idmap2/PolicyUtils.h"
|
|
|
|
#include <sstream>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include "android-base/strings.h"
|
|
#include "idmap2/Policies.h"
|
|
|
|
using android::idmap2::policy::kPolicyStringToFlag;
|
|
|
|
namespace android::idmap2::utils {
|
|
|
|
Result<PolicyBitmask> PoliciesToBitmaskResult(const std::vector<std::string>& policies) {
|
|
std::vector<std::string> unknown_policies;
|
|
PolicyBitmask bitmask = 0;
|
|
for (const std::string& policy : policies) {
|
|
const auto result = std::find_if(kPolicyStringToFlag.begin(), kPolicyStringToFlag.end(),
|
|
[policy](const auto& it) { return policy == it.first; });
|
|
if (result != kPolicyStringToFlag.end()) {
|
|
bitmask |= result->second;
|
|
} else {
|
|
unknown_policies.emplace_back(policy.empty() ? "empty" : policy);
|
|
}
|
|
}
|
|
|
|
if (unknown_policies.empty()) {
|
|
return Result<PolicyBitmask>(bitmask);
|
|
}
|
|
|
|
auto prefix = unknown_policies.size() == 1 ? "policy" : "policies";
|
|
return Error("unknown %s: \"%s\"", prefix, android::base::Join(unknown_policies, ",").c_str());
|
|
}
|
|
|
|
std::vector<std::string> BitmaskToPolicies(const PolicyBitmask& bitmask) {
|
|
std::vector<std::string> policies;
|
|
|
|
for (const auto& policy : kPolicyStringToFlag) {
|
|
if ((bitmask & policy.second) != 0) {
|
|
policies.emplace_back(policy.first.to_string());
|
|
}
|
|
}
|
|
|
|
return policies;
|
|
}
|
|
|
|
} // namespace android::idmap2::utils
|