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TimestampCheck.java
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/*
* Copyright (c) 2003, 2021, 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.
*/
import com.sun.net.httpserver.*;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.math.BigInteger;
import java.net.InetSocketAddress;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.security.KeyStore;
import java.security.PrivateKey;
import java.security.Signature;
import java.security.cert.Certificate;
import java.security.cert.CertificateException;
import java.security.cert.CertificateFactory;
import java.security.cert.X509Certificate;
import java.time.Instant;
import java.time.temporal.ChronoUnit;
import java.util.*;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import sun.misc.IOUtils;
import jdk.testlibrary.SecurityTools;
import jdk.testlibrary.OutputAnalyzer;
import jdk.testlibrary.JarUtils;
import sun.security.pkcs.ContentInfo;
import sun.security.pkcs.PKCS7;
import sun.security.pkcs.PKCS9Attribute;
import sun.security.pkcs.SignerInfo;
import sun.security.timestamp.TimestampToken;
import sun.security.util.DerOutputStream;
import sun.security.util.DerValue;
import sun.security.util.ObjectIdentifier;
import sun.security.x509.AlgorithmId;
import sun.security.x509.X500Name;
import jdk.testlibrary.Utils;
/*
* @test
* @bug 6543842 6543440 6939248 8009636 8024302 8163304 8169911 8169688 8171121
* 8180289 8172404 8269039 8275887
* @summary checking response of timestamp
* @modules java.base/sun.security.pkcs
* java.base/sun.security.timestamp
* java.base/sun.security.x509
* java.base/sun.security.util
* java.base/sun.security.tools.keytool
* @library /lib/testlibrary
* @compile -XDignore.symbol.file TimestampCheck.java
* @run main/othervm/timeout=600 TimestampCheck
*/
public class TimestampCheck {
static final String defaultPolicyId = "2.3.4";
static String host = null;
static class Handler implements HttpHandler, AutoCloseable {
private final HttpServer httpServer;
private final String keystore;
@Override
public void handle(HttpExchange t) throws IOException {
int len = 0;
for (String h: t.getRequestHeaders().keySet()) {
if (h.equalsIgnoreCase("Content-length")) {
len = Integer.valueOf(t.getRequestHeaders().get(h).get(0));
}
}
byte[] input = new byte[len];
t.getRequestBody().read(input);
try {
String path = t.getRequestURI().getPath().substring(1);
byte[] output = sign(input, path);
Headers out = t.getResponseHeaders();
out.set("Content-Type", "application/timestamp-reply");
t.sendResponseHeaders(200, output.length);
OutputStream os = t.getResponseBody();
os.write(output);
} catch (Exception e) {
e.printStackTrace();
t.sendResponseHeaders(500, 0);
}
t.close();
}
/**
* @param input The data to sign
* @param path different cases to simulate, impl on URL path
* @returns the signed
*/
byte[] sign(byte[] input, String path) throws Exception {
DerValue value = new DerValue(input);
System.out.println("#\n# Incoming Request\n===================");
System.out.println("# Version: " + value.data.getInteger());
DerValue messageImprint = value.data.getDerValue();
AlgorithmId aid = AlgorithmId.parse(
messageImprint.data.getDerValue());
System.out.println("# AlgorithmId: " + aid);
ObjectIdentifier policyId = new ObjectIdentifier(defaultPolicyId);
BigInteger nonce = null;
while (value.data.available() > 0) {
DerValue v = value.data.getDerValue();
if (v.tag == DerValue.tag_Integer) {
nonce = v.getBigInteger();
System.out.println("# nonce: " + nonce);
} else if (v.tag == DerValue.tag_Boolean) {
System.out.println("# certReq: " + v.getBoolean());
} else if (v.tag == DerValue.tag_ObjectId) {
policyId = v.getOID();
System.out.println("# PolicyID: " + policyId);
}
}
System.out.println("#\n# Response\n===================");
FileInputStream is = new FileInputStream(keystore);
KeyStore ks = KeyStore.getInstance("JCEKS");
ks.load(is, "changeit".toCharArray());
is.close();
// If path starts with "ts", use the TSA it points to.
// Otherwise, always use "ts".
String alias = path.startsWith("ts") ? path : "ts";
if (path.equals("diffpolicy")) {
policyId = new ObjectIdentifier(defaultPolicyId);
}
DerOutputStream statusInfo = new DerOutputStream();
statusInfo.putInteger(0);
AlgorithmId[] algorithms = {aid};
Certificate[] chain = ks.getCertificateChain(alias);
X509Certificate[] signerCertificateChain;
X509Certificate signer = (X509Certificate)chain[0];
if (path.equals("fullchain")) { // Only case 5 uses full chain
signerCertificateChain = new X509Certificate[chain.length];
for (int i=0; i<chain.length; i++) {
signerCertificateChain[i] = (X509Certificate)chain[i];
}
} else if (path.equals("nocert")) {
signerCertificateChain = new X509Certificate[0];
} else {
signerCertificateChain = new X509Certificate[1];
signerCertificateChain[0] = (X509Certificate)chain[0];
}
DerOutputStream tst = new DerOutputStream();
tst.putInteger(1);
tst.putOID(policyId);
if (!path.equals("baddigest") && !path.equals("diffalg")) {
tst.putDerValue(messageImprint);
} else {
byte[] data = messageImprint.toByteArray();
if (path.equals("diffalg")) {
data[6] = (byte)0x01;
} else {
data[data.length-1] = (byte)0x01;
data[data.length-2] = (byte)0x02;
data[data.length-3] = (byte)0x03;
}
tst.write(data);
}
tst.putInteger(1);
Instant instant = Instant.now();
if (path.equals("tsold")) {
instant = instant.minus(20, ChronoUnit.DAYS);
} else if (path.equals("tsbefore2019")) {
// Saturday, August 18, 2018 7:04:58 PM
instant = Instant.ofEpochSecond(1534619098l);
}
tst.putGeneralizedTime(Date.from(instant));
if (path.equals("diffnonce")) {
tst.putInteger(1234);
} else if (path.equals("nononce")) {
// no noce
} else {
tst.putInteger(nonce);
}
DerOutputStream tstInfo = new DerOutputStream();
tstInfo.write(DerValue.tag_Sequence, tst);
DerOutputStream tstInfo2 = new DerOutputStream();
tstInfo2.putOctetString(tstInfo.toByteArray());
// Always use the same algorithm at timestamp signing
// so it is different from the hash algorithm.
String sigAlg = "SHA256withRSA";
Signature sig = Signature.getInstance(sigAlg);
sig.initSign((PrivateKey)(ks.getKey(
alias, "changeit".toCharArray())));
sig.update(tstInfo.toByteArray());
ContentInfo contentInfo = new ContentInfo(new ObjectIdentifier(
"1.2.840.113549.1.9.16.1.4"),
new DerValue(tstInfo2.toByteArray()));
System.out.println("# Signing...");
System.out.println("# " + new X500Name(signer
.getIssuerX500Principal().getName()));
System.out.println("# " + signer.getSerialNumber());
SignerInfo signerInfo = new SignerInfo(
new X500Name(signer.getIssuerX500Principal().getName()),
signer.getSerialNumber(),
AlgorithmId.get(AlgorithmId.getDigAlgFromSigAlg(sigAlg)),
AlgorithmId.get(AlgorithmId.getEncAlgFromSigAlg(sigAlg)),
sig.sign());
SignerInfo[] signerInfos = {signerInfo};
PKCS7 p7 = new PKCS7(algorithms, contentInfo,
signerCertificateChain, signerInfos);
ByteArrayOutputStream p7out = new ByteArrayOutputStream();
p7.encodeSignedData(p7out);
DerOutputStream response = new DerOutputStream();
response.write(DerValue.tag_Sequence, statusInfo);
response.putDerValue(new DerValue(p7out.toByteArray()));
DerOutputStream out = new DerOutputStream();
out.write(DerValue.tag_Sequence, response);
return out.toByteArray();
}
private Handler(HttpServer httpServer, String keystore) {
this.httpServer = httpServer;
this.keystore = keystore;
}
/**
* Initialize TSA instance.
*
* Extended Key Info extension of certificate that is used for
* signing TSA responses should contain timeStamping value.
*/
static Handler init(int port, String keystore) throws IOException {
HttpServer httpServer = HttpServer.create(
new InetSocketAddress(port), 0);
Handler tsa = new Handler(httpServer, keystore);
httpServer.createContext("/", tsa);
return tsa;
}
/**
* Start TSA service.
*/
void start() {
httpServer.start();
}
/**
* Stop TSA service.
*/
void stop() {
httpServer.stop(0);
}
/**
* Return server port number.
*/
int getPort() {
return httpServer.getAddress().getPort();
}
@Override
public void close() throws Exception {
stop();
}
}
public static void main(String[] args) throws Throwable {
try (Handler tsa = Handler.init(0, "ks");) {
tsa.start();
int port = tsa.getPort();
host = "http://localhost:" + port + "/";
if (args.length == 0) { // Run this test
prepare();
sign("normal")
.shouldNotContain("Warning")
.shouldContain("The signer certificate will expire on")
.shouldContain("The timestamp will expire on")
.shouldHaveExitValue(0);
verify("normal.jar")
.shouldNotContain("Warning")
.shouldHaveExitValue(0);
verify("normal.jar", "-verbose")
.shouldNotContain("Warning")
.shouldContain("The signer certificate will expire on")
.shouldContain("The timestamp will expire on")
.shouldHaveExitValue(0);
// Simulate signing at a previous date:
// 1. tsold will create a timestamp of 20 days ago.
// 2. oldsigner expired 10 days ago.
signVerbose("tsold", "unsigned.jar", "tsold.jar", "oldsigner")
.shouldNotContain("Warning")
.shouldMatch("signer certificate expired on .*. "
+ "However, the JAR will be valid")
.shouldHaveExitValue(0);
// It verifies perfectly.
verify("tsold.jar", "-verbose", "-certs")
.shouldNotContain("Warning")
.shouldMatch("signer certificate expired on .*. "
+ "However, the JAR will be valid")
.shouldHaveExitValue(0);
// should not be disabled because timestamped before 2019
signVerbose("tsbefore2019", "unsigned.jar", "tsbefore2019.jar", "pre2019signer",
"-digestalg", "SHA-1")
.shouldHaveExitValue(4);
verify("tsbefore2019.jar", "-verbose")
.shouldHaveExitValue(0)
.shouldMatch("Digest.*SHA-1.*(weak)")
.shouldMatch("signer certificate expired on .*. "
+ "However, the JAR will be valid");
// No timestamp
signVerbose(null, "unsigned.jar", "none.jar", "signer")
.shouldContain("is not timestamped")
.shouldContain("The signer certificate will expire on")
.shouldHaveExitValue(0);
verify("none.jar", "-verbose")
.shouldContain("do not include a timestamp")
.shouldContain("The signer certificate will expire on")
.shouldHaveExitValue(0);
// Error cases
signVerbose(null, "unsigned.jar", "badku.jar", "badku")
.shouldContain("KeyUsage extension doesn't allow code signing")
.shouldHaveExitValue(8);
checkBadKU("badku.jar");
// 8180289: unvalidated TSA cert chain
sign("tsnoca")
.shouldContain("The TSA certificate chain is invalid. "
+ "Reason: Path does not chain with any of the trust anchors")
.shouldHaveExitValue(64);
verify("tsnoca.jar", "-verbose", "-certs")
.shouldHaveExitValue(64)
.shouldContain("jar verified")
.shouldContain("Invalid TSA certificate chain: "
+ "Path does not chain with any of the trust anchors")
.shouldContain("TSA certificate chain is invalid."
+ " Reason: Path does not chain with any of the trust anchors");
sign("nononce")
.shouldContain("Nonce missing in timestamp token")
.shouldHaveExitValue(1);
sign("diffnonce")
.shouldContain("Nonce changed in timestamp token")
.shouldHaveExitValue(1);
sign("baddigest")
.shouldContain("Digest octets changed in timestamp token")
.shouldHaveExitValue(1);
sign("diffalg")
.shouldContain("Digest algorithm not")
.shouldHaveExitValue(1);
sign("fullchain")
.shouldHaveExitValue(0); // Success, 6543440 solved.
sign("tsbad1")
.shouldContain("Certificate is not valid for timestamping")
.shouldHaveExitValue(1);
sign("tsbad2")
.shouldContain("Certificate is not valid for timestamping")
.shouldHaveExitValue(1);
sign("tsbad3")
.shouldContain("Certificate is not valid for timestamping")
.shouldHaveExitValue(1);
sign("nocert")
.shouldContain("Certificate not included in timestamp token")
.shouldHaveExitValue(1);
sign("policy", "-tsapolicyid", "1.2.3")
.shouldHaveExitValue(0);
checkTimestamp("policy.jar", "1.2.3", "SHA-256");
sign("diffpolicy", "-tsapolicyid", "1.2.3")
.shouldContain("TSAPolicyID changed in timestamp token")
.shouldHaveExitValue(1);
sign("sha384alg", "-tsadigestalg", "SHA-384")
.shouldHaveExitValue(0);
checkTimestamp("sha384alg.jar", defaultPolicyId, "SHA-384");
// Disabled algorithms
signVerbose(null, "unsigned.jar", "sha1alg.jar", "signer",
"-digestalg", "SHA-1")
.shouldHaveExitValue(4)
.shouldContain("jar signed")
.shouldContain("with signer errors")
.shouldMatch("SHA-1.*-digestalg.*is disabled");
verify("sha1alg.jar", "-verbose")
.shouldHaveExitValue(16)
.shouldContain("treated as unsigned")
.shouldMatch("Digest.*SHA-1.*(disabled)");
sign("sha1tsaalg", "-tsadigestalg", "SHA-1", "-strict")
.shouldHaveExitValue(4)
.shouldContain("jar signed")
.shouldContain("with signer errors")
.shouldMatch("SHA-1.*-tsadigestalg.*is disabled");
verify("sha1tsaalg.jar", "-verbose")
.shouldHaveExitValue(16)
.shouldContain("treated as unsigned")
.shouldMatch("Timestamp.*digest.*SHA-1.*(disabled)");
sign("tsdisabled", "-digestalg", "MD5",
"-sigalg", "MD5withRSA", "-tsadigestalg", "MD5")
.shouldHaveExitValue(68)
.shouldContain("TSA certificate chain is invalid")
.shouldMatch("MD5.*-digestalg.*is disabled")
.shouldMatch("MD5.*-tsadigestalg.*is disabled")
.shouldMatch("MD5withRSA.*-sigalg.*is disabled");
checkDisabled("tsdisabled.jar");
signVerbose("tsdisabled", "unsigned.jar", "tsdisabled2.jar", "signer")
.shouldHaveExitValue(64)
.shouldContain("TSA certificate chain is invalid");
// Disabled timestamp is an error and jar treated unsigned
verify("tsdisabled2.jar", "-verbose")
.shouldHaveExitValue(16)
.shouldContain("treated as unsigned")
.shouldNotMatch("Signature.*(disabled)")
.shouldMatch("Timestamp.*512.*(disabled)");
// Algorithm used in signing is disabled
signVerbose("normal", "unsigned.jar", "halfDisabled.jar", "signer",
"-digestalg", "MD5")
.shouldContain("-digestalg option is considered a security risk and is disabled")
.shouldHaveExitValue(4);
checkHalfDisabled("halfDisabled.jar");
// sign with DSA key
signVerbose("normal", "unsigned.jar", "sign1.jar", "dsakey")
.shouldHaveExitValue(0);
// sign with RSAkeysize < 1024
signVerbose("normal", "sign1.jar", "sign2.jar", "disabledkeysize")
.shouldContain("Algorithm constraints check failed on keysize")
.shouldNotContain("option is considered a security " +
"risk and is disabled")
.shouldHaveExitValue(4);
checkMultiple("sign2.jar");
// Disabled algorithms
sign("tsweak", "-digestalg", "SHA1",
"-sigalg", "SHA1withRSA", "-tsadigestalg", "SHA1")
.shouldHaveExitValue(4)
.shouldMatch("SHA1.*-digestalg.*is disabled")
.shouldMatch("SHA1.*-tsadigestalg.*is disabled")
.shouldMatch("SHA1withRSA.*-sigalg.*is disabled");
verify("tsweak.jar", "-verbose")
.shouldHaveExitValue(16)
.shouldContain("treated as unsigned")
.shouldMatch("Digest algorithm: .*(disabled)")
.shouldMatch("Signature algorithm: .*(disabled)")
.shouldMatch("Timestamp digest algorithm: .*(disabled)");
// Legacy algorithms (1024-bit key)
signVerbose("tsweak", "unsigned.jar", "tsweak2.jar", "signer")
.shouldHaveExitValue(0);
verify("tsweak2.jar", "-verbose")
.shouldHaveExitValue(0)
.shouldContain("jar verified")
.shouldMatch("Timestamp.*1024.*(weak)");
// Algorithm used in signing is disabled
signVerbose("normal", "unsigned.jar", "halfWeak.jar", "signer",
"-digestalg", "SHA1")
.shouldContain("-digestalg option is considered a security risk and is disabled.")
.shouldHaveExitValue(4);
verify("halfWeak.jar", "-verbose")
.shouldHaveExitValue(16)
.shouldContain("treated as unsigned")
.shouldMatch("Digest algorithm: .*(disabled)");
// sign with DSA key
signVerbose("normal", "unsigned.jar", "sign1.jar", "dsakey")
.shouldHaveExitValue(0);
// sign with RSAkeysize < 2048
signVerbose("normal", "sign1.jar", "sign2.jar", "weakkeysize")
.shouldNotContain("Algorithm constraints check failed on keysize")
.shouldNotContain("The SHA-256 algorithm specified " +
"for the -digestalg option is considered a " +
"security risk")
.shouldNotContain("The SHA256withRSA algorithm " +
"specified for the -sigalg option is considered " +
"a security risk")
.shouldNotContain("The SHA-256 algorithm specified " +
"for the -tsadigestalg option is considered a " +
"security risk")
.shouldContain("The RSA signing key has a keysize " +
"of 1024 which is considered a security risk")
.shouldHaveExitValue(0);
checkMultipleWeak("sign2.jar");
// 8191438: jarsigner should print when a timestamp will expire
checkExpiration();
// When .SF or .RSA is missing or invalid
checkMissingOrInvalidFiles("normal.jar");
if (Files.exists(Paths.get("ts2.cert"))) {
checkInvalidTsaCertKeyUsage();
}
} else { // Run as a standalone server
System.out.println("TSA started at " + host
+ ". Press Enter to quit server");
System.in.read();
}
}
}
private static void checkExpiration() throws Exception {
// Warning when expired or expiring
signVerbose(null, "unsigned.jar", "expired.jar", "expired")
.shouldContain("signer certificate has expired")
.shouldHaveExitValue(4);
verify("expired.jar")
.shouldContain("signer certificate has expired")
.shouldHaveExitValue(4);
signVerbose(null, "unsigned.jar", "expiring.jar", "expiring")
.shouldContain("signer certificate will expire within")
.shouldHaveExitValue(0);
verify("expiring.jar")
.shouldContain("signer certificate will expire within")
.shouldHaveExitValue(0);
// Info for long
signVerbose(null, "unsigned.jar", "long.jar", "long")
.shouldNotContain("signer certificate has expired")
.shouldNotContain("signer certificate will expire within")
.shouldContain("signer certificate will expire on")
.shouldHaveExitValue(0);
verify("long.jar")
.shouldNotContain("signer certificate has expired")
.shouldNotContain("signer certificate will expire within")
.shouldNotContain("The signer certificate will expire")
.shouldHaveExitValue(0);
verify("long.jar", "-verbose")
.shouldContain("The signer certificate will expire")
.shouldHaveExitValue(0);
// Both expired
signVerbose("tsexpired", "unsigned.jar",
"tsexpired-expired.jar", "expired")
.shouldContain("The signer certificate has expired.")
.shouldContain("The timestamp has expired.")
.shouldHaveExitValue(4);
verify("tsexpired-expired.jar")
.shouldContain("signer certificate has expired")
.shouldContain("timestamp has expired.")
.shouldHaveExitValue(4);
// TS expired but signer still good
signVerbose("tsexpired", "unsigned.jar",
"tsexpired-long.jar", "long")
.shouldContain("The timestamp expired on")
.shouldHaveExitValue(0);
verify("tsexpired-long.jar")
.shouldMatch("timestamp expired on.*However, the JAR will be valid")
.shouldNotContain("Error")
.shouldHaveExitValue(0);
signVerbose("tsexpired", "unsigned.jar",
"tsexpired-ca.jar", "ca")
.shouldContain("The timestamp has expired.")
.shouldHaveExitValue(4);
verify("tsexpired-ca.jar")
.shouldNotContain("timestamp has expired")
.shouldNotContain("Error")
.shouldHaveExitValue(0);
// Warning when expiring
sign("tsexpiring")
.shouldContain("timestamp will expire within")
.shouldHaveExitValue(0);
verify("tsexpiring.jar")
.shouldContain("timestamp will expire within")
.shouldNotContain("still valid")
.shouldHaveExitValue(0);
signVerbose("tsexpiring", "unsigned.jar",
"tsexpiring-ca.jar", "ca")
.shouldContain("self-signed")
.stderrShouldNotMatch("The.*expir")
.shouldHaveExitValue(4); // self-signed
verify("tsexpiring-ca.jar")
.stderrShouldNotMatch("The.*expir")
.shouldHaveExitValue(0);
signVerbose("tsexpiringsoon", "unsigned.jar",
"tsexpiringsoon-long.jar", "long")
.shouldContain("The timestamp will expire")
.shouldHaveExitValue(0);
verify("tsexpiringsoon-long.jar")
.shouldMatch("timestamp will expire.*However, the JAR will be valid until")
.shouldHaveExitValue(0);
// Info for long
sign("tslong")
.shouldNotContain("timestamp has expired")
.shouldNotContain("timestamp will expire within")
.shouldContain("timestamp will expire on")
.shouldContain("signer certificate will expire on")
.shouldHaveExitValue(0);
verify("tslong.jar")
.shouldNotContain("timestamp has expired")
.shouldNotContain("timestamp will expire within")
.shouldNotContain("timestamp will expire on")
.shouldNotContain("signer certificate will expire on")
.shouldHaveExitValue(0);
verify("tslong.jar", "-verbose")
.shouldContain("timestamp will expire on")
.shouldContain("signer certificate will expire on")
.shouldHaveExitValue(0);
}
private static void checkInvalidTsaCertKeyUsage() throws Exception {
// Hack: Rewrite the TSA cert inside normal.jar into ts2.jar.
// Both the cert and the serial number must be rewritten.
byte[] tsCert = Files.readAllBytes(Paths.get("ts.cert"));
byte[] ts2Cert = Files.readAllBytes(Paths.get("ts2.cert"));
byte[] tsSerial = getCert(tsCert)
.getSerialNumber().toByteArray();
byte[] ts2Serial = getCert(ts2Cert)
.getSerialNumber().toByteArray();
byte[] oldBlock;
try (JarFile normal = new JarFile("normal.jar")) {
oldBlock = Utils.readAllBytes(normal.getInputStream(
normal.getJarEntry("META-INF/SIGNER.RSA")));
}
JarUtils.updateJar("normal.jar", "ts2.jar",
mapOf("META-INF/SIGNER.RSA",
updateBytes(updateBytes(oldBlock, tsCert, ts2Cert),
tsSerial, ts2Serial)));
verify("ts2.jar", "-verbose", "-certs")
.shouldHaveExitValue(64)
.shouldContain("jar verified")
.shouldContain("Invalid TSA certificate chain: Extended key usage does not permit use for TSA server");
}
public static X509Certificate getCert(byte[] data)
throws CertificateException, IOException {
return (X509Certificate)
CertificateFactory.getInstance("X.509")
.generateCertificate(new ByteArrayInputStream(data));
}
private static byte[] updateBytes(byte[] old, byte[] from, byte[] to) {
int pos = 0;
while (true) {
if (pos + from.length > old.length) {
return null;
}
if (Arrays.equals(Arrays.copyOfRange(old, pos, pos+from.length), from)) {
byte[] result = old.clone();
System.arraycopy(to, 0, result, pos, from.length);
return result;
}
pos++;
}
}
private static void checkMissingOrInvalidFiles(String s)
throws Throwable {
JarUtils.updateJar(s, "1.jar", mapOf("META-INF/SIGNER.SF", Boolean.FALSE));
verify("1.jar", "-verbose")
.shouldHaveExitValue(16)
.shouldContain("treated as unsigned")
.shouldContain("Missing signature-related file META-INF/SIGNER.SF");
JarUtils.updateJar(s, "2.jar", mapOf("META-INF/SIGNER.RSA", Boolean.FALSE));
verify("2.jar", "-verbose")
.shouldHaveExitValue(16)
.shouldContain("treated as unsigned")
.shouldContain("Missing block file for signature-related file META-INF/SIGNER.SF");
JarUtils.updateJar(s, "3.jar", mapOf("META-INF/SIGNER.SF", "dummy"));
verify("3.jar", "-verbose")
.shouldHaveExitValue(16)
.shouldContain("treated as unsigned")
.shouldContain("Unparsable signature-related file META-INF/SIGNER.SF");
JarUtils.updateJar(s, "4.jar", mapOf("META-INF/SIGNER.RSA", "dummy"));
verify("4.jar", "-verbose")
.shouldHaveExitValue(16)
.shouldContain("treated as unsigned")
.shouldContain("Unparsable signature-related file META-INF/SIGNER.RSA");
}
static OutputAnalyzer jarsigner(List<String> extra)
throws Exception {
List<String> args = new ArrayList<>(
listOf("-keystore", "ks", "-storepass", "changeit"));
args.addAll(extra);
return SecurityTools.jarsigner(args);
}
static OutputAnalyzer verify(String file, String... extra)
throws Exception {
List<String> args = new ArrayList<>();
args.add("-verify");
args.add("-strict");
args.add(file);
args.addAll(Arrays.asList(extra));
return jarsigner(args);
}
static void checkBadKU(String file) throws Exception {
System.err.println("BadKU: " + file);
verify(file)
.shouldHaveExitValue(16)
.shouldContain("treated as unsigned")
.shouldContain("re-run jarsigner with debug enabled");
verify(file, "-verbose")
.shouldHaveExitValue(16)
.shouldContain("Signed by")
.shouldContain("treated as unsigned")
.shouldContain("re-run jarsigner with debug enabled");
verify(file, "-J-Djava.security.debug=jar")
.shouldHaveExitValue(16)
.shouldContain("SignatureException: Key usage restricted")
.shouldContain("treated as unsigned")
.shouldContain("re-run jarsigner with debug enabled");
}
static void checkDisabled(String file) throws Exception {
verify(file)
.shouldHaveExitValue(16)
.shouldContain("treated as unsigned")
.shouldMatch("weak algorithm that is now disabled.")
.shouldMatch("Re-run jarsigner with the -verbose option for more details");
verify(file, "-verbose")
.shouldHaveExitValue(16)
.shouldContain("treated as unsigned")
.shouldMatch("weak algorithm that is now disabled by")
.shouldMatch("Digest algorithm: .*(disabled)")
.shouldMatch("Signature algorithm: .*(disabled)")
.shouldMatch("Timestamp digest algorithm: .*(disabled)")
.shouldNotMatch("Timestamp signature algorithm: .*(weak).*(weak)")
.shouldMatch("Timestamp signature algorithm: .*key.*(disabled)");
verify(file, "-J-Djava.security.debug=jar")
.shouldHaveExitValue(16)
.shouldMatch("SignatureException:.*MD5");
}
static void checkHalfWeak(String file) throws Exception {
verify(file)
.shouldHaveExitValue(0)
.shouldNotContain("treated as unsigned");
verify(file, "-verbose")
.shouldHaveExitValue(0)
.shouldNotContain("treated as unsigned")
.shouldMatch("Digest algorithm: .*(weak)")
.shouldNotMatch("Signature algorithm: .*(weak)")
.shouldNotMatch("Signature algorithm: .*(disabled)")
.shouldNotMatch("Timestamp digest algorithm: .*(weak)")
.shouldNotMatch("Timestamp signature algorithm: .*(weak).*(weak)")
.shouldNotMatch("Timestamp signature algorithm: .*(disabled).*(disabled)")
.shouldNotMatch("Timestamp signature algorithm: .*key.*(weak)")
.shouldNotMatch("Timestamp signature algorithm: .*key.*(disabled)");
}
static void checkMultiple(String file) throws Exception {
verify(file)
.shouldHaveExitValue(0)
.shouldContain("jar verified");
verify(file, "-verbose", "-certs")
.shouldHaveExitValue(0)
.shouldContain("jar verified")
.shouldMatch("X.509.*CN=dsakey")
.shouldNotMatch("X.509.*CN=disabledkeysize")
.shouldMatch("Signed by .*CN=dsakey")
.shouldMatch("Signed by .*CN=disabledkeysize")
.shouldMatch("Signature algorithm: .*key.*(disabled)");
}
static void checkWeak(String file) throws Exception {
verify(file)
.shouldHaveExitValue(0)
.shouldNotContain("treated as unsigned");
verify(file, "-verbose")
.shouldHaveExitValue(0)
.shouldNotContain("treated as unsigned")
.shouldMatch("Digest algorithm: .*(weak)")
.shouldMatch("Signature algorithm: .*(weak)")
.shouldMatch("Timestamp digest algorithm: .*(weak)")
.shouldNotMatch("Timestamp signature algorithm: .*(weak).*(weak)")
.shouldMatch("Timestamp signature algorithm: .*key.*(weak)");
verify(file, "-J-Djava.security.debug=jar")
.shouldHaveExitValue(0)
.shouldNotMatch("SignatureException:.*disabled");
// keytool should print out warnings when reading or
// generating cert/cert req using legacy algorithms.
String sout = SecurityTools.keytool("-printcert -jarfile " + file)
.stderrShouldContain("The TSA certificate uses a 1024-bit RSA key" +
" which is considered a security risk." +
" This key size will be disabled in a future update.")
.getStdout();
if (sout.indexOf("weak", sout.indexOf("Timestamp:")) < 0) {
throw new RuntimeException("timestamp not weak: " + sout);
}
}
static void checkHalfDisabled(String file) throws Exception {
verify(file)
.shouldHaveExitValue(16)
.shouldContain("treated as unsigned")
.shouldMatch("weak algorithm that is now disabled.")
.shouldMatch("Re-run jarsigner with the -verbose option for more details");
verify(file, "-verbose")
.shouldHaveExitValue(16)
.shouldContain("treated as unsigned")
.shouldMatch("weak algorithm that is now disabled by")
.shouldMatch("Digest algorithm: .*(disabled)")
.shouldNotMatch("Signature algorithm: .*(weak)")
.shouldNotMatch("Signature algorithm: .*(disabled)")
.shouldNotMatch("Timestamp digest algorithm: .*(disabled)")
.shouldNotMatch("Timestamp signature algorithm: .*(weak).*(weak)")
.shouldNotMatch("Timestamp signature algorithm: .*(disabled).*(disabled)")
.shouldNotMatch("Timestamp signature algorithm: .*key.*(weak)")
.shouldNotMatch("Timestamp signature algorithm: .*key.*(disabled)");
}
static void checkMultipleWeak(String file) throws Exception {
verify(file)
.shouldHaveExitValue(0)
.shouldContain("jar verified");
verify(file, "-verbose", "-certs")
.shouldHaveExitValue(0)
.shouldContain("jar verified")
.shouldMatch("X.509.*CN=dsakey")
.shouldMatch("X.509.*CN=weakkeysize")
.shouldMatch("Signed by .*CN=dsakey")
.shouldMatch("Signed by .*CN=weakkeysize")
.shouldMatch("Signature algorithm: .*key.*(weak)");
}
static void checkTimestamp(String file, String policyId, String digestAlg)
throws Exception {
try (JarFile jf = new JarFile(file)) {
JarEntry je = jf.getJarEntry("META-INF/SIGNER.RSA");
try (InputStream is = jf.getInputStream(je)) {
byte[] content = IOUtils.readAllBytes(is);
PKCS7 p7 = new PKCS7(content);
SignerInfo[] si = p7.getSignerInfos();
if (si == null || si.length == 0) {
throw new Exception("Not signed");
}
PKCS9Attribute p9 = si[0].getUnauthenticatedAttributes()
.getAttribute(PKCS9Attribute.SIGNATURE_TIMESTAMP_TOKEN_OID);
PKCS7 tsToken = new PKCS7((byte[]) p9.getValue());
TimestampToken tt =
new TimestampToken(tsToken.getContentInfo().getData());
if (!tt.getHashAlgorithm().toString().equals(digestAlg)) {
throw new Exception("Digest alg different");
}
if (!tt.getPolicyID().equals(policyId)) {
throw new Exception("policyId different");
}
}
}
}
static int which = 0;
/**
* Sign with a TSA path. Always use alias "signer" to sign "unsigned.jar".
* The signed jar name is always path.jar.
*
* @param extra more args given to jarsigner
*/
static OutputAnalyzer sign(String path, String... extra)
throws Exception {
return signVerbose(
path,
"unsigned.jar",
path + ".jar",
"signer",
extra);
}
static OutputAnalyzer signVerbose(
String path, // TSA URL path
String oldJar,
String newJar,
String alias, // signer
String...extra) throws Exception {
which++;
System.out.println("\n>> Test #" + which);
List<String> args = new ArrayList<>();
args.add("-strict");
args.add("-verbose");
args.add("-debug");
args.add("-signedjar");
args.add(newJar);
args.add(oldJar);
args.add(alias);
if (path != null) {
args.add("-tsa");
args.add(host + path);
}
args.addAll(Arrays.asList(extra));
return jarsigner(args);
}
static void prepare() throws Exception {
JarUtils.createJar("unsigned.jar", "A");
Files.deleteIfExists(Paths.get("ks"));
keytool("-alias signer -genkeypair -ext bc -dname CN=signer");
keytool("-alias oldsigner -genkeypair -dname CN=oldsigner");
keytool("-alias pre2019signer -genkeypair -dname CN=pre2019signer");
keytool("-alias dsakey -genkeypair -keyalg DSA -dname CN=dsakey");
keytool("-alias weakkeysize -genkeypair -keysize 1024 -dname CN=weakkeysize");
keytool("-alias disabledkeysize -genkeypair -keysize 512 -dname CN=disabledkeysize");
keytool("-alias badku -genkeypair -dname CN=badku");
keytool("-alias ts -genkeypair -dname CN=ts");
keytool("-alias tsold -genkeypair -dname CN=tsold");
keytool("-alias tsbefore2019 -genkeypair -dname CN=tsbefore2019");
keytool("-alias tsweak -genkeypair -keysize 1024 -dname CN=tsweak");
keytool("-alias tsdisabled -genkeypair -keysize 512 -dname CN=tsdisabled");
keytool("-alias tsbad1 -genkeypair -dname CN=tsbad1");
keytool("-alias tsbad2 -genkeypair -dname CN=tsbad2");
keytool("-alias tsbad3 -genkeypair -dname CN=tsbad3");
keytool("-alias tsnoca -genkeypair -dname CN=tsnoca");
keytool("-alias expired -genkeypair -dname CN=expired");
keytool("-alias expiring -genkeypair -dname CN=expiring");
keytool("-alias long -genkeypair -dname CN=long");
keytool("-alias tsexpired -genkeypair -dname CN=tsexpired");
keytool("-alias tsexpiring -genkeypair -dname CN=tsexpiring");
keytool("-alias tsexpiringsoon -genkeypair -dname CN=tsexpiringsoon");
keytool("-alias tslong -genkeypair -dname CN=tslong");
// tsnoca's issuer will be removed from keystore later
keytool("-alias ca -genkeypair -ext bc -dname CN=CA");
gencert("tsnoca", "-ext eku:critical=ts");