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//
// 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 "host/commands/run_cvd/launch/launch.h"
#include <unistd.h>
#include <string>
#include <utility>
#include <vector>
#include <fruit/fruit.h>
#include "common/libs/utils/result.h"
#include "host/commands/run_cvd/launch/secure_env_files.h"
#include "host/libs/config/command_source.h"
#include "host/libs/config/known_paths.h"
namespace cuttlefish {
Result<MonitorCommand> SecureEnv(
const CuttlefishConfig& config,
const CuttlefishConfig::InstanceSpecific& instance,
AutoSecureEnvFiles::Type& secure_env_files,
KernelLogPipeProvider& kernel_log_pipe_provider) {
Command command(SecureEnvBinary());
command.AddParameter("-confui_server_fd=",
secure_env_files->confui_server_fd);
command.AddParameter("-snapshot_control_fd=",
secure_env_files->snapshot_control_fd);
std::vector<std::string> fifo_paths = {
instance.PerInstanceInternalPath("keymaster_fifo_vm.in"),
instance.PerInstanceInternalPath("keymaster_fifo_vm.out"),
instance.PerInstanceInternalPath("gatekeeper_fifo_vm.in"),
instance.PerInstanceInternalPath("gatekeeper_fifo_vm.out"),
instance.PerInstanceInternalPath("oemlock_fifo_vm.in"),
instance.PerInstanceInternalPath("oemlock_fifo_vm.out"),
instance.PerInstanceInternalPath("keymint_fifo_vm.in"),
instance.PerInstanceInternalPath("keymint_fifo_vm.out"),
};
std::vector<SharedFD> fifos;
for (const auto& path : fifo_paths) {
fifos.emplace_back(CF_EXPECT(SharedFD::Fifo(path, 0660)));
}
command.AddParameter("-keymaster_fd_out=", fifos[0]);
command.AddParameter("-keymaster_fd_in=", fifos[1]);
command.AddParameter("-gatekeeper_fd_out=", fifos[2]);
command.AddParameter("-gatekeeper_fd_in=", fifos[3]);
command.AddParameter("-oemlock_fd_out=", fifos[4]);
command.AddParameter("-oemlock_fd_in=", fifos[5]);
command.AddParameter("-keymint_fd_out=", fifos[6]);
command.AddParameter("-keymint_fd_in=", fifos[7]);
const auto& secure_hals = config.secure_hals();
bool secure_keymint = secure_hals.count(SecureHal::HostKeymintSecure) > 0;
command.AddParameter("-keymint_impl=", secure_keymint ? "tpm" : "software");
bool secure_gatekeeper =
secure_hals.count(SecureHal::HostGatekeeperSecure) > 0;
auto gatekeeper_impl = secure_gatekeeper ? "tpm" : "software";
command.AddParameter("-gatekeeper_impl=", gatekeeper_impl);
bool secure_oemlock = secure_hals.count(SecureHal::HostOemlockSecure) > 0;
auto oemlock_impl = secure_oemlock ? "tpm" : "software";
command.AddParameter("-oemlock_impl=", oemlock_impl);
command.AddParameter("-kernel_events_fd=",
kernel_log_pipe_provider.KernelLogPipe());
return std::move(command);
}
} // namespace cuttlefish
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