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/*
* Copyright (C) 2021 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.
*/
package com.android.server;
import android.test.AndroidTestCase;
/**
* Tests for {@link com.android.server.BootReceiver}
*/
public class BootReceiverTest extends AndroidTestCase {
public void testLogLinePotentiallySensitive() throws Exception {
/*
* Strings to be dropped from the log as potentially sensitive: register dumps, process
* names, hardware info.
*/
final String[] becomeNull = {
"CPU: 4 PID: 120 Comm: kunit_try_catch Tainted: G W 5.8.0-rc6+ #7",
"Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1 04/01/2014",
"[ 0.083207] RSP: 0000:ffffffff8fe07ca8 EFLAGS: 00010046 ORIG_RAX: 0000000000000000",
"[ 0.084709] RAX: 0000000000000000 RBX: ffffffffff240000 RCX: ffffffff815fcf01",
"[ 0.086109] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffffffffff240004",
"[ 0.087509] RBP: ffffffff8fe07d60 R08: fffffbfff1fc0f21 R09: fffffbfff1fc0f21",
"[ 0.088911] R10: ffffffff8fe07907 R11: fffffbfff1fc0f20 R12: ffffffff8fe07d38",
"R13: 0000000000000001 R14: 0000000000000001 R15: ffffffff8fe07e80",
"x29: ffff00003ce07150 x28: ffff80001aa29cc0",
"x1 : 0000000000000000 x0 : ffff00000f628000",
};
/* Strings to be left unchanged, including non-sensitive registers and parts of reports. */
final String[] leftAsIs = {
"FS: 0000000000000000(0000) GS:ffffffff92409000(0000) knlGS:0000000000000000",
"[ 69.2366] [ T6006]c7 6006 =======================================================",
"[ 69.245688] [ T6006] BUG: KFENCE: out-of-bounds in kfence_handle_page_fault",
"[ 69.257816] [ T6006]c7 6006 Out-of-bounds access at 0xffffffca75c45000 ",
"[ 69.273536] [ T6006]c7 6006 __do_kernel_fault+0xa8/0x11c",
"pc : __mutex_lock+0x428/0x99c ",
"sp : ffff00003ce07150",
"Call trace:",
"",
};
final String[][] stripped = {
{ "Detected corrupted memory at 0xffffffffb6797ff9 [ 0xac . . . . . . ]:",
"Detected corrupted memory at 0xffffffffb6797ff9" },
};
for (int i = 0; i < becomeNull.length; i++) {
assertEquals(BootReceiver.stripSensitiveData(becomeNull[i]), null);
}
for (int i = 0; i < leftAsIs.length; i++) {
assertEquals(BootReceiver.stripSensitiveData(leftAsIs[i]), leftAsIs[i]);
}
for (int i = 0; i < stripped.length; i++) {
assertEquals(BootReceiver.stripSensitiveData(stripped[i][0]), stripped[i][1]);
}
}
}
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