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authorTao Bao <tbao@google.com>2019-04-27 08:41:49 +0200
committerTao Bao <tbao@google.com>2019-04-30 18:13:36 +0200
commit4a01f36d210491e78765b5f6875ecd840f8c3b1e (patch)
tree420141eae2fc0a69f0bdb77a3299742a8f4e7359 /tests/unit/uncrypt_test.cpp
parentMerge "Consolidate the codes that handle reboot/shutdown." (diff)
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Diffstat (limited to 'tests/unit/uncrypt_test.cpp')
-rw-r--r--tests/unit/uncrypt_test.cpp198
1 files changed, 198 insertions, 0 deletions
diff --git a/tests/unit/uncrypt_test.cpp b/tests/unit/uncrypt_test.cpp
new file mode 100644
index 000000000..e97d589a6
--- /dev/null
+++ b/tests/unit/uncrypt_test.cpp
@@ -0,0 +1,198 @@
+/*
+ * Copyright (C) 2016 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 <arpa/inet.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <sys/un.h>
+#include <unistd.h>
+
+#include <algorithm>
+#include <string>
+
+#include <android-base/file.h>
+#include <android-base/logging.h>
+#include <android-base/properties.h>
+#include <android-base/unique_fd.h>
+#include <bootloader_message/bootloader_message.h>
+#include <gtest/gtest.h>
+
+using namespace std::string_literals;
+
+static const std::string UNCRYPT_SOCKET = "/dev/socket/uncrypt";
+static const std::string INIT_SVC_SETUP_BCB = "init.svc.setup-bcb";
+static const std::string INIT_SVC_CLEAR_BCB = "init.svc.clear-bcb";
+static const std::string INIT_SVC_UNCRYPT = "init.svc.uncrypt";
+static constexpr int SOCKET_CONNECTION_MAX_RETRY = 30;
+
+static void StopService() {
+ ASSERT_TRUE(android::base::SetProperty("ctl.stop", "setup-bcb"));
+ ASSERT_TRUE(android::base::SetProperty("ctl.stop", "clear-bcb"));
+ ASSERT_TRUE(android::base::SetProperty("ctl.stop", "uncrypt"));
+
+ bool success = false;
+ for (int retry = 0; retry < SOCKET_CONNECTION_MAX_RETRY; retry++) {
+ std::string setup_bcb = android::base::GetProperty(INIT_SVC_SETUP_BCB, "");
+ std::string clear_bcb = android::base::GetProperty(INIT_SVC_CLEAR_BCB, "");
+ std::string uncrypt = android::base::GetProperty(INIT_SVC_UNCRYPT, "");
+ GTEST_LOG_(INFO) << "setup-bcb: [" << setup_bcb << "] clear-bcb: [" << clear_bcb
+ << "] uncrypt: [" << uncrypt << "]";
+ if (setup_bcb != "running" && clear_bcb != "running" && uncrypt != "running") {
+ success = true;
+ break;
+ }
+ sleep(1);
+ }
+
+ ASSERT_TRUE(success) << "uncrypt service is not available.";
+}
+
+class UncryptTest : public ::testing::Test {
+ protected:
+ UncryptTest() : has_misc(true) {}
+
+ void SetUp() override {
+ std::string err;
+ has_misc = !get_bootloader_message_blk_device(&err).empty();
+ }
+
+ void TearDown() override {
+ // Clear the BCB.
+ if (has_misc) {
+ std::string err;
+ ASSERT_TRUE(clear_bootloader_message(&err)) << "Failed to clear BCB: " << err;
+ }
+ }
+
+ void SetupOrClearBcb(bool isSetup, const std::string& message,
+ const std::string& message_in_bcb) const {
+ // Restart the setup-bcb service.
+ StopService();
+ ASSERT_TRUE(android::base::SetProperty("ctl.start", isSetup ? "setup-bcb" : "clear-bcb"));
+
+ // Test tends to be flaky if proceeding immediately ("Transport endpoint is not connected").
+ sleep(1);
+
+ sockaddr_un un = {};
+ un.sun_family = AF_UNIX;
+ strlcpy(un.sun_path, UNCRYPT_SOCKET.c_str(), sizeof(un.sun_path));
+
+ int sockfd = socket(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0);
+ ASSERT_NE(-1, sockfd);
+
+ // Connect to the uncrypt socket.
+ bool success = false;
+ for (int retry = 0; retry < SOCKET_CONNECTION_MAX_RETRY; retry++) {
+ if (connect(sockfd, reinterpret_cast<sockaddr*>(&un), sizeof(sockaddr_un)) != 0) {
+ success = true;
+ break;
+ }
+ sleep(1);
+ }
+ ASSERT_TRUE(success);
+
+ if (isSetup) {
+ // Send out the BCB message.
+ int length = static_cast<int>(message.size());
+ int length_out = htonl(length);
+ ASSERT_TRUE(android::base::WriteFully(sockfd, &length_out, sizeof(int)))
+ << "Failed to write length: " << strerror(errno);
+ ASSERT_TRUE(android::base::WriteFully(sockfd, message.data(), length))
+ << "Failed to write message: " << strerror(errno);
+ }
+
+ // Check the status code from uncrypt.
+ int status;
+ ASSERT_TRUE(android::base::ReadFully(sockfd, &status, sizeof(int)));
+ ASSERT_EQ(100U, ntohl(status));
+
+ // Ack having received the status code.
+ int code = 0;
+ ASSERT_TRUE(android::base::WriteFully(sockfd, &code, sizeof(int)));
+
+ ASSERT_EQ(0, close(sockfd));
+
+ ASSERT_TRUE(android::base::SetProperty("ctl.stop", isSetup ? "setup-bcb" : "clear-bcb"));
+
+ // Verify the message by reading from BCB directly.
+ bootloader_message boot;
+ std::string err;
+ ASSERT_TRUE(read_bootloader_message(&boot, &err)) << "Failed to read BCB: " << err;
+
+ if (isSetup) {
+ ASSERT_EQ("boot-recovery", std::string(boot.command));
+ ASSERT_EQ(message_in_bcb, std::string(boot.recovery));
+
+ // The rest of the boot.recovery message should be zero'd out.
+ ASSERT_LE(message_in_bcb.size(), sizeof(boot.recovery));
+ size_t left = sizeof(boot.recovery) - message_in_bcb.size();
+ ASSERT_EQ(std::string(left, '\0'), std::string(&boot.recovery[message_in_bcb.size()], left));
+
+ // Clear the BCB.
+ ASSERT_TRUE(clear_bootloader_message(&err)) << "Failed to clear BCB: " << err;
+ } else {
+ // All the bytes should be cleared.
+ ASSERT_EQ(std::string(sizeof(boot), '\0'),
+ std::string(reinterpret_cast<const char*>(&boot), sizeof(boot)));
+ }
+ }
+
+ void VerifyBootloaderMessage(const std::string& expected) {
+ std::string err;
+ bootloader_message boot;
+ ASSERT_TRUE(read_bootloader_message(&boot, &err)) << "Failed to read BCB: " << err;
+
+ // Check that we have all the expected bytes.
+ ASSERT_EQ(expected, std::string(reinterpret_cast<const char*>(&boot), sizeof(boot)));
+ }
+
+ bool has_misc;
+};
+
+TEST_F(UncryptTest, setup_bcb) {
+ if (!has_misc) {
+ GTEST_LOG_(INFO) << "Test skipped due to no /misc partition found on the device.";
+ return;
+ }
+
+ std::string random_data;
+ random_data.reserve(sizeof(bootloader_message));
+ generate_n(back_inserter(random_data), sizeof(bootloader_message), []() { return rand() % 128; });
+
+ bootloader_message boot;
+ memcpy(&boot, random_data.c_str(), random_data.size());
+
+ std::string err;
+ ASSERT_TRUE(write_bootloader_message(boot, &err)) << "Failed to write BCB: " << err;
+ VerifyBootloaderMessage(random_data);
+
+ ASSERT_TRUE(clear_bootloader_message(&err)) << "Failed to clear BCB: " << err;
+ VerifyBootloaderMessage(std::string(sizeof(bootloader_message), '\0'));
+
+ std::string message = "--update_message=abc value";
+ std::string message_in_bcb = "recovery\n--update_message=abc value\n";
+ SetupOrClearBcb(true, message, message_in_bcb);
+
+ SetupOrClearBcb(false, "", "");
+
+ TemporaryFile wipe_package;
+ ASSERT_TRUE(android::base::WriteStringToFile(std::string(345, 'a'), wipe_package.path));
+
+ // It's expected to store a wipe package in /misc, with the package size passed to recovery.
+ message = "--wipe_ab\n--wipe_package="s + wipe_package.path + "\n--reason=wipePackage"s;
+ message_in_bcb = "recovery\n--wipe_ab\n--wipe_package_size=345\n--reason=wipePackage\n";
+ SetupOrClearBcb(true, message, message_in_bcb);
+}