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undefect. CWE-407 — 63 sites patched across 27 ecosystems

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Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.
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russell@unturf.com 2026-03-26 17:11:57 -04:00
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145
test/jdk/java/util/zip/TestLocalTime.java Normal file
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/*
* Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 8075526 8135108 8155616 8161942
* @summary Test timestamp via ZipEntry.get/setTimeLocal()
*/
import java.io.*;
import java.nio.file.*;
import java.time.*;
import java.util.*;
import java.util.zip.*;
public class TestLocalTime {
private static TimeZone tz0 = TimeZone.getDefault();
public static void main(String[] args) throws Throwable{
try {
LocalDateTime ldt = LocalDateTime.now();
test(ldt); // now
test(ldt.withYear(1968));
test(ldt.withYear(1970));
test(ldt.withYear(1982));
test(ldt.withYear(2037));
test(ldt.withYear(2100));
test(ldt.withYear(2106));
TimeZone tz = TimeZone.getTimeZone("Asia/Shanghai");
// dos time does not support < 1980, have to use
// utc in mtime.
testWithTZ(tz, ldt.withYear(1982));
testWithTZ(tz, ldt.withYear(2037));
testWithTZ(tz, ldt.withYear(2100));
testWithTZ(tz, ldt.withYear(2106));
// for #8135108
test(LocalDateTime.of(2100, 12, 06, 12, 34, 34, 973));
test(LocalDateTime.of(2106, 12, 06, 12, 34, 34, 973));
// for #8155616
test(LocalDateTime.of(2016, 03, 13, 2, 50, 00)); // gap
test(LocalDateTime.of(2015, 11, 1, 1, 30, 00)); // overlap
test(LocalDateTime.of(1968, 04, 28, 2, 51, 25));
test(LocalDateTime.of(1970, 04, 26, 2, 31, 52));
// for #8161942
test(LocalDateTime.of(2200, 04, 26, 2, 31, 52)); // unix 2038
} finally {
TimeZone.setDefault(tz0);
}
}
static byte[] getBytes(LocalDateTime mtime) throws Throwable {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ZipOutputStream zos = new ZipOutputStream(baos);
ZipEntry ze = new ZipEntry("TestLocalTime.java");
ze.setTimeLocal(mtime);
check(ze, mtime);
zos.putNextEntry(ze);
zos.write(new byte[] { 1, 2, 3, 4});
zos.close();
return baos.toByteArray();
}
static void testWithTZ(TimeZone tz, LocalDateTime ldt) throws Throwable {
TimeZone.setDefault(tz);
byte[] zbytes = getBytes(ldt);
TimeZone.setDefault(tz0);
test(zbytes, ldt);
}
static void test(LocalDateTime ldt) throws Throwable {
test(getBytes(ldt), ldt);
}
static void test(byte[] zbytes, LocalDateTime expected) throws Throwable {
System.out.printf("--------------------%nTesting: [%s]%n", expected);
// ZipInputStream
ZipInputStream zis = new ZipInputStream(new ByteArrayInputStream(zbytes));
ZipEntry ze = zis.getNextEntry();
zis.close();
check(ze, expected);
// ZipFile
Path zpath = Paths.get(System.getProperty("test.dir", "."),
"TestLocalTime.zip");
try {
Files.copy(new ByteArrayInputStream(zbytes), zpath);
ZipFile zf = new ZipFile(zpath.toFile());
ze = zf.getEntry("TestLocalTime.java");
check(ze, expected);
zf.close();
} finally {
Files.deleteIfExists(zpath);
}
}
static void check(ZipEntry ze, LocalDateTime expected) {
LocalDateTime ldt = ze.getTimeLocal();
if (ldt.atOffset(ZoneOffset.UTC).toEpochSecond() >> 1
!= expected.atOffset(ZoneOffset.UTC).toEpochSecond() >> 1) {
// if the LDT is out of the range of the standard ms-dos date-time
// format ( < 1980 ) AND the date-time is within the daylight saving
// time gap (which means the LDT is actually "invalid"), the LDT will
// be adjusted accordingly when ZipEntry.setTimeLocal() converts the
// date-time via ldt -> zdt -> Instant -> FileTime.
// See ZonedDateTime.of(LocalDateTime, ZoneId) for more details.
if (ldt.getYear() < 1980 || ldt.getYear() > (1980 + 0x7f)) {
System.out.println(" Non-MSDOS ldt : " + ldt);
System.out.println(" expected : " + expected);
// try to adjust the "expected", assume daylight saving gap
expected = ZonedDateTime.of(expected, ZoneId.systemDefault())
.toLocalDateTime();
if (ldt.atOffset(ZoneOffset.UTC).toEpochSecond() >> 1
== expected.atOffset(ZoneOffset.UTC).toEpochSecond() >> 1) {
return;
}
}
throw new RuntimeException("Timestamp: storing mtime failed!");
}
}
}