d215da817a
This returns the time (from CLOCK_MONOTONIC_RAW) that the specified user last authenticated using the given authenticator. Bug: 303839446 Test: atest keystore2_client_tests Change-Id: Idd4c477365ffa556b7985d1d926dfa554680ff28
125 lines
4.2 KiB
Rust
125 lines
4.2 KiB
Rust
// Copyright 2020, The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//! Implements TempDir which aids in creating an cleaning up temporary directories for testing.
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use std::fs::{create_dir, remove_dir_all};
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use std::io::ErrorKind;
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use std::path::{Path, PathBuf};
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use std::{env::temp_dir, ops::Deref};
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use android_system_keystore2::aidl::android::system::keystore2::IKeystoreService::IKeystoreService;
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use android_security_authorization::aidl::android::security::authorization::IKeystoreAuthorization::IKeystoreAuthorization;
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pub mod authorizations;
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pub mod ffi_test_utils;
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pub mod key_generations;
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pub mod run_as;
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static KS2_SERVICE_NAME: &str = "android.system.keystore2.IKeystoreService/default";
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static AUTH_SERVICE_NAME: &str = "android.security.authorization";
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/// Represents the lifecycle of a temporary directory for testing.
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#[derive(Debug)]
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pub struct TempDir {
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path: std::path::PathBuf,
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do_drop: bool,
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}
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impl TempDir {
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/// Creates a temporary directory with a name of the form <prefix>_NNNNN where NNNNN is a zero
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/// padded random number with 5 figures. The prefix must not contain file system separators.
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/// The location of the directory cannot be chosen.
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/// The directory with all of its content is removed from the file system when the resulting
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/// object gets dropped.
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pub fn new(prefix: &str) -> std::io::Result<Self> {
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let tmp = loop {
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let mut tmp = temp_dir();
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let number: u16 = rand::random();
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tmp.push(format!("{}_{:05}", prefix, number));
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match create_dir(&tmp) {
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Err(e) => match e.kind() {
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ErrorKind::AlreadyExists => continue,
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_ => return Err(e),
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},
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Ok(()) => break tmp,
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}
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};
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Ok(Self { path: tmp, do_drop: true })
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}
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/// Returns the absolute path of the temporary directory.
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pub fn path(&self) -> &Path {
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&self.path
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}
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/// Returns a path builder for convenient extension of the path.
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///
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/// ## Example:
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///
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/// ```
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/// let tdir = TempDir::new("my_test")?;
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/// let temp_foo_bar = tdir.build().push("foo").push("bar");
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/// ```
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/// `temp_foo_bar` derefs to a Path that represents "<tdir.path()>/foo/bar"
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pub fn build(&self) -> PathBuilder {
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PathBuilder(self.path.clone())
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}
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/// When a test is failing you can set this to false in order to inspect
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/// the directory structure after the test failed.
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#[allow(dead_code)]
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pub fn do_not_drop(&mut self) {
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println!("Disabled automatic cleanup for: {:?}", self.path);
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log::info!("Disabled automatic cleanup for: {:?}", self.path);
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self.do_drop = false;
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}
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}
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impl Drop for TempDir {
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fn drop(&mut self) {
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if self.do_drop {
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remove_dir_all(&self.path).expect("Cannot delete temporary dir.");
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}
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}
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}
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/// Allows for convenient building of paths from a TempDir. See TempDir.build() for more details.
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pub struct PathBuilder(PathBuf);
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impl PathBuilder {
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/// Adds another segment to the end of the path. Consumes, modifies and returns self.
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pub fn push(mut self, segment: &str) -> Self {
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self.0.push(segment);
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self
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}
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}
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impl Deref for PathBuilder {
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type Target = Path;
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fn deref(&self) -> &Self::Target {
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&self.0
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}
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}
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/// Get Keystore2 service.
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pub fn get_keystore_service() -> binder::Strong<dyn IKeystoreService> {
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binder::get_interface(KS2_SERVICE_NAME).unwrap()
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}
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/// Get Keystore auth service.
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pub fn get_keystore_auth_service() -> binder::Strong<dyn IKeystoreAuthorization> {
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binder::get_interface(AUTH_SERVICE_NAME).unwrap()
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}
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