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Janis Danisevskis1af91262020-08-10 14:58:08 -07001// Copyright 2020, The Android Open Source Project
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
Janis Danisevskise242b032020-11-17 15:57:51 -080015//! This crate implements the Keystore 2.0 service entry point.
Janis Danisevskis1af91262020-08-10 14:58:08 -070016
David Drysdale0e45a612021-02-25 17:24:36 +000017use keystore2::entropy;
Janis Danisevskisb1673db2021-02-08 18:11:57 -080018use keystore2::globals::ENFORCEMENTS;
Janis Danisevskis333b7c02021-03-23 18:57:41 -070019use keystore2::maintenance::Maintenance;
Hasini Gunasinghe15891e62021-06-10 16:23:27 +000020use keystore2::metrics::Metrics;
Max Biresb2e1d032021-02-08 21:35:05 -080021use keystore2::remote_provisioning::RemoteProvisioningService;
Janis Danisevskis1af91262020-08-10 14:58:08 -070022use keystore2::service::KeystoreService;
Janis Danisevskis84a83e42021-03-21 21:46:54 -070023use keystore2::{apc::ApcManager, shared_secret_negotiation};
Janis Danisevskis5cb52dc2021-04-07 16:31:18 -070024use keystore2::{authorization::AuthorizationManager, id_rotation::IdRotationState};
Janis Danisevskis3eb829d2021-06-14 14:18:20 -070025use legacykeystore::LegacyKeystore;
Janis Danisevskis1af91262020-08-10 14:58:08 -070026use log::{error, info};
Janis Danisevskisb1673db2021-02-08 18:11:57 -080027use std::{panic, path::Path, sync::mpsc::channel};
Janis Danisevskis1af91262020-08-10 14:58:08 -070028
Stephen Crane56936e82021-03-10 17:48:26 -080029static KS2_SERVICE_NAME: &str = "android.system.keystore2.IKeystoreService/default";
Janis Danisevskis7a1cf382020-11-20 11:22:14 -080030static APC_SERVICE_NAME: &str = "android.security.apc";
Janis Danisevskis9f10a6a2021-01-18 16:45:21 +000031static AUTHORIZATION_SERVICE_NAME: &str = "android.security.authorization";
Hasini Gunasinghe15891e62021-06-10 16:23:27 +000032static METRICS_SERVICE_NAME: &str = "android.security.metrics";
Max Biresb2e1d032021-02-08 21:35:05 -080033static REMOTE_PROVISIONING_SERVICE_NAME: &str = "android.security.remoteprovisioning";
Janis Danisevskis34a0cf22021-03-08 09:19:03 -080034static USER_MANAGER_SERVICE_NAME: &str = "android.security.maintenance";
Janis Danisevskis3eb829d2021-06-14 14:18:20 -070035static LEGACY_KEYSTORE_SERVICE_NAME: &str = "android.security.legacykeystore";
Janis Danisevskis1af91262020-08-10 14:58:08 -070036
37/// Keystore 2.0 takes one argument which is a path indicating its designated working directory.
38fn main() {
39 // Initialize android logging.
40 android_logger::init_once(
41 android_logger::Config::default().with_tag("keystore2").with_min_level(log::Level::Debug),
42 );
43 // Redirect panic messages to logcat.
44 panic::set_hook(Box::new(|panic_info| {
45 error!("{}", panic_info);
46 }));
47
48 // Saying hi.
49 info!("Keystore2 is starting.");
50
51 let mut args = std::env::args();
52 args.next().expect("That's odd. How is there not even a first argument?");
Janis Danisevskisbf15d732020-12-08 10:35:26 -080053
Janis Danisevskis3f2955c2021-02-02 21:53:35 -080054 // Keystore 2.0 cannot change to the database directory (typically /data/misc/keystore) on
55 // startup as Keystore 1.0 did because Keystore 2.0 is intended to run much earlier than
56 // Keystore 1.0. Instead we set a global variable to the database path.
Janis Danisevskisbf15d732020-12-08 10:35:26 -080057 // For the ground truth check the service startup rule for init (typically in keystore2.rc).
Janis Danisevskis5cb52dc2021-04-07 16:31:18 -070058 let id_rotation_state = if let Some(dir) = args.next() {
59 let db_path = Path::new(&dir);
Seth Moorea3e611a2021-05-11 10:07:45 -070060 *keystore2::globals::DB_PATH.write().expect("Could not lock DB_PATH.") =
Janis Danisevskis5cb52dc2021-04-07 16:31:18 -070061 db_path.to_path_buf();
62 IdRotationState::new(&db_path)
Janis Danisevskis1af91262020-08-10 14:58:08 -070063 } else {
Janis Danisevskis5cb52dc2021-04-07 16:31:18 -070064 panic!("Must specify a database directory.");
65 };
Janis Danisevskis1af91262020-08-10 14:58:08 -070066
Janis Danisevskisb1673db2021-02-08 18:11:57 -080067 let (confirmation_token_sender, confirmation_token_receiver) = channel();
68
69 ENFORCEMENTS.install_confirmation_token_receiver(confirmation_token_receiver);
70
David Drysdale0e45a612021-02-25 17:24:36 +000071 entropy::register_feeder();
Janis Danisevskis84a83e42021-03-21 21:46:54 -070072 shared_secret_negotiation::perform_shared_secret_negotiation();
David Drysdale0e45a612021-02-25 17:24:36 +000073
Janis Danisevskis8c6378e2021-01-01 09:30:37 -080074 info!("Starting thread pool now.");
75 binder::ProcessState::start_thread_pool();
76
Janis Danisevskis5cb52dc2021-04-07 16:31:18 -070077 let ks_service = KeystoreService::new_native_binder(id_rotation_state).unwrap_or_else(|e| {
Janis Danisevskis1af91262020-08-10 14:58:08 -070078 panic!("Failed to create service {} because of {:?}.", KS2_SERVICE_NAME, e);
79 });
80 binder::add_service(KS2_SERVICE_NAME, ks_service.as_binder()).unwrap_or_else(|e| {
81 panic!("Failed to register service {} because of {:?}.", KS2_SERVICE_NAME, e);
82 });
83
Janis Danisevskisb1673db2021-02-08 18:11:57 -080084 let apc_service =
85 ApcManager::new_native_binder(confirmation_token_sender).unwrap_or_else(|e| {
86 panic!("Failed to create service {} because of {:?}.", APC_SERVICE_NAME, e);
87 });
Janis Danisevskis7a1cf382020-11-20 11:22:14 -080088 binder::add_service(APC_SERVICE_NAME, apc_service.as_binder()).unwrap_or_else(|e| {
89 panic!("Failed to register service {} because of {:?}.", APC_SERVICE_NAME, e);
90 });
91
Janis Danisevskis9f10a6a2021-01-18 16:45:21 +000092 let authorization_service = AuthorizationManager::new_native_binder().unwrap_or_else(|e| {
93 panic!("Failed to create service {} because of {:?}.", AUTHORIZATION_SERVICE_NAME, e);
94 });
95 binder::add_service(AUTHORIZATION_SERVICE_NAME, authorization_service.as_binder())
96 .unwrap_or_else(|e| {
97 panic!("Failed to register service {} because of {:?}.", AUTHORIZATION_SERVICE_NAME, e);
98 });
99
Janis Danisevskis5898d152021-06-15 08:23:46 -0700100 let (delete_listener, legacykeystore) = LegacyKeystore::new_native_binder(
101 &keystore2::globals::DB_PATH.read().expect("Could not get DB_PATH."),
102 );
103
104 let maintenance_service = Maintenance::new_native_binder(delete_listener).unwrap_or_else(|e| {
Hasini Gunasingheda895552021-01-27 19:34:37 +0000105 panic!("Failed to create service {} because of {:?}.", USER_MANAGER_SERVICE_NAME, e);
106 });
Janis Danisevskis34a0cf22021-03-08 09:19:03 -0800107 binder::add_service(USER_MANAGER_SERVICE_NAME, maintenance_service.as_binder()).unwrap_or_else(
Hasini Gunasingheda895552021-01-27 19:34:37 +0000108 |e| {
109 panic!("Failed to register service {} because of {:?}.", USER_MANAGER_SERVICE_NAME, e);
110 },
111 );
112
Hasini Gunasinghe15891e62021-06-10 16:23:27 +0000113 let metrics_service = Metrics::new_native_binder().unwrap_or_else(|e| {
114 panic!("Failed to create service {} because of {:?}.", METRICS_SERVICE_NAME, e);
115 });
116 binder::add_service(METRICS_SERVICE_NAME, metrics_service.as_binder()).unwrap_or_else(|e| {
117 panic!("Failed to register service {} because of {:?}.", METRICS_SERVICE_NAME, e);
118 });
119
Max Biresb2e1d032021-02-08 21:35:05 -0800120 // Devices with KS2 and KM 1.0 may not have any IRemotelyProvisionedComponent HALs at all. Do
121 // not panic if new_native_binder returns failure because it could not find the TEE HAL.
122 if let Ok(remote_provisioning_service) = RemoteProvisioningService::new_native_binder() {
123 binder::add_service(
124 REMOTE_PROVISIONING_SERVICE_NAME,
125 remote_provisioning_service.as_binder(),
126 )
127 .unwrap_or_else(|e| {
128 panic!(
129 "Failed to register service {} because of {:?}.",
130 REMOTE_PROVISIONING_SERVICE_NAME, e
131 );
132 });
133 }
Janis Danisevskis77d72042021-01-20 15:36:30 -0800134
Janis Danisevskis3eb829d2021-06-14 14:18:20 -0700135 binder::add_service(LEGACY_KEYSTORE_SERVICE_NAME, legacykeystore.as_binder()).unwrap_or_else(
Janis Danisevskis77d72042021-01-20 15:36:30 -0800136 |e| {
137 panic!(
138 "Failed to register service {} because of {:?}.",
Janis Danisevskis3eb829d2021-06-14 14:18:20 -0700139 LEGACY_KEYSTORE_SERVICE_NAME, e
Janis Danisevskis77d72042021-01-20 15:36:30 -0800140 );
141 },
142 );
143
Janis Danisevskis1af91262020-08-10 14:58:08 -0700144 info!("Successfully registered Keystore 2.0 service.");
Janis Danisevskis1af91262020-08-10 14:58:08 -0700145
Janis Danisevskise242b032020-11-17 15:57:51 -0800146 info!("Joining thread pool now.");
Janis Danisevskis1af91262020-08-10 14:58:08 -0700147 binder::ProcessState::join_thread_pool();
148}