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/*
* Copyright (c) 1997, 2017, 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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.
*/
package sun.security.tools.jarsigner;
import java.io.*;
import java.security.cert.CertPathValidatorException;
import java.security.cert.PKIXBuilderParameters;
import java.util.*;
import java.util.stream.Collectors;
import java.util.zip.*;
import java.util.jar.*;
import java.math.BigInteger;
import java.net.URI;
import java.net.URISyntaxException;
import java.text.Collator;
import java.text.MessageFormat;
import java.security.cert.Certificate;
import java.security.cert.X509Certificate;
import java.security.cert.CertificateException;
import java.security.*;
import java.lang.reflect.Constructor;
import com.sun.jarsigner.ContentSigner;
import com.sun.jarsigner.ContentSignerParameters;
import java.net.SocketTimeoutException;
import java.net.URL;
import java.net.URLClassLoader;
import java.security.cert.CertPath;
import java.security.cert.CertificateExpiredException;
import java.security.cert.CertificateFactory;
import java.security.cert.CertificateNotYetValidException;
import java.security.cert.TrustAnchor;
import java.util.Map.Entry;
import sun.security.pkcs.PKCS7;
import sun.security.pkcs.SignerInfo;
import sun.security.timestamp.TimestampToken;
import sun.security.tools.KeyStoreUtil;
import sun.security.tools.PathList;
import sun.security.validator.Validator;
import sun.security.validator.ValidatorException;
import sun.security.x509.*;
import sun.security.util.*;
import java.util.Base64;
/**
* <p>The jarsigner utility.
*
* The exit codes for the main method are:
*
* 0: success
* 1: any error that the jar cannot be signed or verified, including:
* keystore loading error
* TSP communication error
* jarsigner command line error...
* otherwise: error codes from -strict
*
* @author Roland Schemers
* @author Jan Luehe
*/
public class Main {
// for i18n
private static final java.util.ResourceBundle rb =
java.util.ResourceBundle.getBundle
("sun.security.tools.jarsigner.Resources");
private static final Collator collator = Collator.getInstance();
static {
// this is for case insensitive string comparisions
collator.setStrength(Collator.PRIMARY);
}
private static final String META_INF = "META-INF/";
private static final Class<?>[] PARAM_STRING = { String.class };
private static final String NONE = "NONE";
private static final String P11KEYSTORE = "PKCS11";
private static final long SIX_MONTHS = 180*24*60*60*1000L; //milliseconds
private static final long ONE_YEAR = 366*24*60*60*1000L;
private static final DisabledAlgorithmConstraints DISABLED_CHECK =
new DisabledAlgorithmConstraints(
DisabledAlgorithmConstraints.PROPERTY_JAR_DISABLED_ALGS);
private static final Set<CryptoPrimitive> DIGEST_PRIMITIVE_SET = Collections
.unmodifiableSet(EnumSet.of(CryptoPrimitive.MESSAGE_DIGEST));
private static final Set<CryptoPrimitive> SIG_PRIMITIVE_SET = Collections
.unmodifiableSet(EnumSet.of(CryptoPrimitive.SIGNATURE));
static final String VERSION = "1.0";
static final int IN_KEYSTORE = 0x01; // signer is in keystore
static final int IN_SCOPE = 0x02;
static final int NOT_ALIAS = 0x04; // alias list is NOT empty and
// signer is not in alias list
static final int SIGNED_BY_ALIAS = 0x08; // signer is in alias list
// Attention:
// This is the entry that get launched by the security tool jarsigner.
public static void main(String args[]) throws Exception {
Main js = new Main();
js.run(args);
}
X509Certificate[] certChain; // signer's cert chain (when composing)
PrivateKey privateKey; // private key
KeyStore store; // the keystore specified by -keystore
// or the default keystore, never null
String keystore; // key store file
boolean nullStream = false; // null keystore input stream (NONE)
boolean token = false; // token-based keystore
String jarfile; // jar files to sign or verify
String alias; // alias to sign jar with
List<String> ckaliases = new ArrayList<>(); // aliases in -verify
char[] storepass; // keystore password
boolean protectedPath; // protected authentication path
String storetype; // keystore type
String providerName; // provider name
Vector<String> providers = null; // list of providers
// arguments for provider constructors
HashMap<String,String> providerArgs = new HashMap<>();
char[] keypass; // private key password
String sigfile; // name of .SF file
String sigalg; // name of signature algorithm
String digestalg = "SHA-256"; // name of digest algorithm
String signedjar; // output filename
String tsaUrl; // location of the Timestamping Authority
String tsaAlias; // alias for the Timestamping Authority's certificate
String altCertChain; // file to read alternative cert chain from
String tSAPolicyID;
String tSADigestAlg = "SHA-256";
boolean verify = false; // verify the jar
String verbose = null; // verbose output when signing/verifying
boolean showcerts = false; // show certs when verifying
boolean debug = false; // debug
boolean signManifest = true; // "sign" the whole manifest
boolean externalSF = true; // leave the .SF out of the PKCS7 block
boolean strict = false; // treat warnings as error
// read zip entry raw bytes
private ByteArrayOutputStream baos = new ByteArrayOutputStream(2048);
private byte[] buffer = new byte[8192];
private ContentSigner signingMechanism = null;
private String altSignerClass = null;
private String altSignerClasspath = null;
private ZipFile zipFile = null;
// Informational warnings
private boolean hasExpiringCert = false;
private boolean hasExpiringTsaCert = false;
private boolean noTimestamp = true;
// Expiration date. The value could be null if signed by a trusted cert.
private Date expireDate = null;
private Date tsaExpireDate = null;
// If there is a time stamp block inside the PKCS7 block file
boolean hasTimestampBlock = false;
// Severe warnings.
// jarsigner used to check signer cert chain validity and key usages
// itself and set various warnings. Later CertPath validation is
// added but chainNotValidated is only flagged when no other existing
// warnings are set. TSA cert chain check is added separately and
// only tsaChainNotValidated is set, i.e. has no affect on hasExpiredCert,
// notYetValidCert, or any badXyzUsage.
private int weakAlg = 0; // 1. digestalg, 2. sigalg, 4. tsadigestalg
private boolean hasExpiredCert = false;
private boolean hasExpiredTsaCert = false;
private boolean notYetValidCert = false;
private boolean chainNotValidated = false;
private boolean tsaChainNotValidated = false;
private boolean notSignedByAlias = false;
private boolean aliasNotInStore = false;
private boolean hasUnsignedEntry = false;
private boolean badKeyUsage = false;
private boolean badExtendedKeyUsage = false;
private boolean badNetscapeCertType = false;
private boolean signerSelfSigned = false;
private Throwable chainNotValidatedReason = null;
private Throwable tsaChainNotValidatedReason = null;
private boolean seeWeak = false;
PKIXBuilderParameters pkixParameters;
Set<X509Certificate> trustedCerts = new HashSet<>();
public void run(String args[]) {
try {
parseArgs(args);
// Try to load and install the specified providers
if (providers != null) {
ClassLoader cl = ClassLoader.getSystemClassLoader();
Enumeration<String> e = providers.elements();
while (e.hasMoreElements()) {
String provName = e.nextElement();
Class<?> provClass;
if (cl != null) {
provClass = cl.loadClass(provName);
} else {
provClass = Class.forName(provName);
}
String provArg = providerArgs.get(provName);
Object obj;
if (provArg == null) {
obj = provClass.newInstance();
} else {
Constructor<?> c =
provClass.getConstructor(PARAM_STRING);
obj = c.newInstance(provArg);
}
if (!(obj instanceof Provider)) {
MessageFormat form = new MessageFormat(rb.getString
("provName.not.a.provider"));
Object[] source = {provName};
throw new Exception(form.format(source));
}
Security.addProvider((Provider)obj);
}
}
if (verify) {
try {
loadKeyStore(keystore, false);
} catch (Exception e) {
if ((keystore != null) || (storepass != null)) {
System.out.println(rb.getString("jarsigner.error.") +
e.getMessage());
System.exit(1);
}
}
/* if (debug) {
SignatureFileVerifier.setDebug(true);
ManifestEntryVerifier.setDebug(true);
}
*/
verifyJar(jarfile);
} else {
loadKeyStore(keystore, true);
getAliasInfo(alias);
// load the alternative signing mechanism
if (altSignerClass != null) {
signingMechanism = loadSigningMechanism(altSignerClass,
altSignerClasspath);
}
signJar(jarfile, alias, args);
}
} catch (Exception e) {
System.out.println(rb.getString("jarsigner.error.") + e);
if (debug) {
e.printStackTrace();
}
System.exit(1);
} finally {
// zero-out private key password
if (keypass != null) {
Arrays.fill(keypass, ' ');
keypass = null;
}
// zero-out keystore password
if (storepass != null) {
Arrays.fill(storepass, ' ');
storepass = null;
}
}
if (strict) {
int exitCode = 0;
if (weakAlg != 0 || chainNotValidated || hasExpiredCert
|| hasExpiredTsaCert || notYetValidCert || signerSelfSigned) {
exitCode |= 4;
}
if (badKeyUsage || badExtendedKeyUsage || badNetscapeCertType) {
exitCode |= 8;
}
if (hasUnsignedEntry) {
exitCode |= 16;
}
if (notSignedByAlias || aliasNotInStore) {
exitCode |= 32;
}
if (tsaChainNotValidated) {
exitCode |= 64;
}
if (exitCode != 0) {
System.exit(exitCode);
}
}
}
/*
* Parse command line arguments.
*/
void parseArgs(String args[]) {
/* parse flags */
int n = 0;
if (args.length == 0) fullusage();
for (n=0; n < args.length; n++) {
String flags = args[n];
String modifier = null;
if (flags.startsWith("-")) {
int pos = flags.indexOf(':');
if (pos > 0) {
modifier = flags.substring(pos+1);
flags = flags.substring(0, pos);
}
}
if (!flags.startsWith("-")) {
if (jarfile == null) {
jarfile = flags;
} else {
alias = flags;
ckaliases.add(alias);
}
} else if (collator.compare(flags, "-keystore") == 0) {
if (++n == args.length) usageNoArg();
keystore = args[n];
} else if (collator.compare(flags, "-storepass") ==0) {
if (++n == args.length) usageNoArg();
storepass = getPass(modifier, args[n]);
} else if (collator.compare(flags, "-storetype") ==0) {
if (++n == args.length) usageNoArg();
storetype = args[n];
} else if (collator.compare(flags, "-providerName") ==0) {
if (++n == args.length) usageNoArg();
providerName = args[n];
} else if ((collator.compare(flags, "-provider") == 0) ||
(collator.compare(flags, "-providerClass") == 0)) {
if (++n == args.length) usageNoArg();
if (providers == null) {
providers = new Vector<String>(3);
}
providers.add(args[n]);
if (args.length > (n+1)) {
flags = args[n+1];
if (collator.compare(flags, "-providerArg") == 0) {
if (args.length == (n+2)) usageNoArg();
providerArgs.put(args[n], args[n+2]);
n += 2;
}
}
} else if (collator.compare(flags, "-protected") ==0) {
protectedPath = true;
} else if (collator.compare(flags, "-certchain") ==0) {
if (++n == args.length) usageNoArg();
altCertChain = args[n];
} else if (collator.compare(flags, "-tsapolicyid") ==0) {
if (++n == args.length) usageNoArg();
tSAPolicyID = args[n];
} else if (collator.compare(flags, "-tsadigestalg") ==0) {
if (++n == args.length) usageNoArg();
tSADigestAlg = args[n];
} else if (collator.compare(flags, "-debug") ==0) {
debug = true;
} else if (collator.compare(flags, "-keypass") ==0) {
if (++n == args.length) usageNoArg();
keypass = getPass(modifier, args[n]);
} else if (collator.compare(flags, "-sigfile") ==0) {
if (++n == args.length) usageNoArg();
sigfile = args[n];
} else if (collator.compare(flags, "-signedjar") ==0) {
if (++n == args.length) usageNoArg();
signedjar = args[n];
} else if (collator.compare(flags, "-tsa") ==0) {
if (++n == args.length) usageNoArg();
tsaUrl = args[n];
} else if (collator.compare(flags, "-tsacert") ==0) {
if (++n == args.length) usageNoArg();
tsaAlias = args[n];
} else if (collator.compare(flags, "-altsigner") ==0) {
if (++n == args.length) usageNoArg();
altSignerClass = args[n];
} else if (collator.compare(flags, "-altsignerpath") ==0) {
if (++n == args.length) usageNoArg();
altSignerClasspath = args[n];
} else if (collator.compare(flags, "-sectionsonly") ==0) {
signManifest = false;
} else if (collator.compare(flags, "-internalsf") ==0) {
externalSF = false;
} else if (collator.compare(flags, "-verify") ==0) {
verify = true;
} else if (collator.compare(flags, "-verbose") ==0) {
verbose = (modifier != null) ? modifier : "all";
} else if (collator.compare(flags, "-sigalg") ==0) {
if (++n == args.length) usageNoArg();
sigalg = args[n];
} else if (collator.compare(flags, "-digestalg") ==0) {
if (++n == args.length) usageNoArg();
digestalg = args[n];
} else if (collator.compare(flags, "-certs") ==0) {
showcerts = true;
} else if (collator.compare(flags, "-strict") ==0) {
strict = true;
} else if (collator.compare(flags, "-h") == 0 ||
collator.compare(flags, "-help") == 0) {
fullusage();
} else {
System.err.println(
rb.getString("Illegal.option.") + flags);
usage();
}
}
// -certs must always be specified with -verbose
if (verbose == null) showcerts = false;
if (jarfile == null) {
System.err.println(rb.getString("Please.specify.jarfile.name"));
usage();
}
if (!verify && alias == null) {
System.err.println(rb.getString("Please.specify.alias.name"));
usage();
}
if (!verify && ckaliases.size() > 1) {
System.err.println(rb.getString("Only.one.alias.can.be.specified"));
usage();
}
if (storetype == null) {
storetype = KeyStore.getDefaultType();
}
storetype = KeyStoreUtil.niceStoreTypeName(storetype);
try {
if (signedjar != null && new File(signedjar).getCanonicalPath().equals(
new File(jarfile).getCanonicalPath())) {
signedjar = null;
}
} catch (IOException ioe) {
// File system error?
// Just ignore it.
}
if (P11KEYSTORE.equalsIgnoreCase(storetype) ||
KeyStoreUtil.isWindowsKeyStore(storetype)) {
token = true;
if (keystore == null) {
keystore = NONE;
}
}
if (NONE.equals(keystore)) {
nullStream = true;
}
if (token && !nullStream) {
System.err.println(MessageFormat.format(rb.getString
(".keystore.must.be.NONE.if.storetype.is.{0}"), storetype));
usage();
}
if (token && keypass != null) {
System.err.println(MessageFormat.format(rb.getString
(".keypass.can.not.be.specified.if.storetype.is.{0}"), storetype));
usage();
}
if (protectedPath) {
if (storepass != null || keypass != null) {
System.err.println(rb.getString
("If.protected.is.specified.then.storepass.and.keypass.must.not.be.specified"));
usage();
}
}
if (KeyStoreUtil.isWindowsKeyStore(storetype)) {
if (storepass != null || keypass != null) {
System.err.println(rb.getString
("If.keystore.is.not.password.protected.then.storepass.and.keypass.must.not.be.specified"));
usage();
}
}
}
static char[] getPass(String modifier, String arg) {
char[] output = KeyStoreUtil.getPassWithModifier(modifier, arg, rb);
if (output != null) return output;
usage();
return null; // Useless, usage() already exit
}
static void usageNoArg() {
System.out.println(rb.getString("Option.lacks.argument"));
usage();
}
static void usage() {
System.out.println();
System.out.println(rb.getString("Please.type.jarsigner.help.for.usage"));
System.exit(1);
}
static void fullusage() {
System.out.println(rb.getString
("Usage.jarsigner.options.jar.file.alias"));
System.out.println(rb.getString
(".jarsigner.verify.options.jar.file.alias."));
System.out.println();
System.out.println(rb.getString
(".keystore.url.keystore.location"));
System.out.println();
System.out.println(rb.getString
(".storepass.password.password.for.keystore.integrity"));
System.out.println();
System.out.println(rb.getString
(".storetype.type.keystore.type"));
System.out.println();
System.out.println(rb.getString
(".keypass.password.password.for.private.key.if.different."));
System.out.println();
System.out.println(rb.getString
(".certchain.file.name.of.alternative.certchain.file"));
System.out.println();
System.out.println(rb.getString
(".sigfile.file.name.of.SF.DSA.file"));
System.out.println();
System.out.println(rb.getString
(".signedjar.file.name.of.signed.JAR.file"));
System.out.println();
System.out.println(rb.getString
(".digestalg.algorithm.name.of.digest.algorithm"));
System.out.println();
System.out.println(rb.getString
(".sigalg.algorithm.name.of.signature.algorithm"));
System.out.println();
System.out.println(rb.getString
(".verify.verify.a.signed.JAR.file"));
System.out.println();
System.out.println(rb.getString
(".verbose.suboptions.verbose.output.when.signing.verifying."));
System.out.println(rb.getString
(".suboptions.can.be.all.grouped.or.summary"));
System.out.println();
System.out.println(rb.getString
(".certs.display.certificates.when.verbose.and.verifying"));
System.out.println();
System.out.println(rb.getString
(".tsa.url.location.of.the.Timestamping.Authority"));
System.out.println();
System.out.println(rb.getString
(".tsacert.alias.public.key.certificate.for.Timestamping.Authority"));
System.out.println();
System.out.println(rb.getString
(".tsapolicyid.tsapolicyid.for.Timestamping.Authority"));
System.out.println();
System.out.println(rb.getString
(".tsadigestalg.algorithm.of.digest.data.in.timestamping.request"));
System.out.println();
System.out.println(rb.getString
(".altsigner.class.class.name.of.an.alternative.signing.mechanism"));
System.out.println();
System.out.println(rb.getString
(".altsignerpath.pathlist.location.of.an.alternative.signing.mechanism"));
System.out.println();
System.out.println(rb.getString
(".internalsf.include.the.SF.file.inside.the.signature.block"));
System.out.println();
System.out.println(rb.getString
(".sectionsonly.don.t.compute.hash.of.entire.manifest"));
System.out.println();
System.out.println(rb.getString
(".protected.keystore.has.protected.authentication.path"));
System.out.println();
System.out.println(rb.getString
(".providerName.name.provider.name"));
System.out.println();
System.out.println(rb.getString
(".providerClass.class.name.of.cryptographic.service.provider.s"));
System.out.println(rb.getString
(".providerArg.arg.master.class.file.and.constructor.argument"));
System.out.println();
System.out.println(rb.getString
(".strict.treat.warnings.as.errors"));
System.out.println();
System.exit(0);
}
void verifyJar(String jarName)
throws Exception
{
boolean anySigned = false; // if there exists entry inside jar signed
JarFile jf = null;
Map<String,String> digestMap = new HashMap<>();
Map<String,PKCS7> sigMap = new HashMap<>();
Map<String,String> sigNameMap = new HashMap<>();
Map<String,String> unparsableSignatures = new HashMap<>();
try {
jf = new JarFile(jarName, true);
Vector<JarEntry> entriesVec = new Vector<>();
byte[] buffer = new byte[8192];
Enumeration<JarEntry> entries = jf.entries();
while (entries.hasMoreElements()) {
JarEntry je = entries.nextElement();
entriesVec.addElement(je);
try (InputStream is = jf.getInputStream(je)) {
String name = je.getName();
if (signatureRelated(name)
&& SignatureFileVerifier.isBlockOrSF(name)) {
String alias = name.substring(name.lastIndexOf('/') + 1,
name.lastIndexOf('.'));
try {
if (name.endsWith(".SF")) {
Manifest sf = new Manifest(is);
boolean found = false;
for (Object obj : sf.getMainAttributes().keySet()) {
String key = obj.toString();
if (key.endsWith("-Digest-Manifest")) {
digestMap.put(alias,
key.substring(0, key.length() - 16));
found = true;
break;
}
}
if (!found) {
unparsableSignatures.putIfAbsent(alias,
String.format(
rb.getString("history.unparsable"),
name));
}
} else {
sigNameMap.put(alias, name);
sigMap.put(alias, new PKCS7(is));
}
} catch (IOException ioe) {
unparsableSignatures.putIfAbsent(alias, String.format(
rb.getString("history.unparsable"), name));
}
} else {
while (is.read(buffer, 0, buffer.length) != -1) {
// we just read. this will throw a SecurityException
// if a signature/digest check fails.
}
}
}
}
Manifest man = jf.getManifest();
boolean hasSignature = false;
// The map to record display info, only used when -verbose provided
// key: signer info string
// value: the list of files with common key
Map<String,List<String>> output = new LinkedHashMap<>();
if (man != null) {
if (verbose != null) System.out.println();
Enumeration<JarEntry> e = entriesVec.elements();
String tab = rb.getString("6SPACE");
while (e.hasMoreElements()) {
JarEntry je = e.nextElement();
String name = je.getName();
hasSignature = hasSignature
|| SignatureFileVerifier.isBlockOrSF(name);
CodeSigner[] signers = je.getCodeSigners();
boolean isSigned = (signers != null);
anySigned |= isSigned;
hasUnsignedEntry |= !je.isDirectory() && !isSigned
&& !signatureRelated(name);
int inStoreOrScope = inKeyStore(signers);
boolean inStore = (inStoreOrScope & IN_KEYSTORE) != 0;
boolean inScope = (inStoreOrScope & IN_SCOPE) != 0;
notSignedByAlias |= (inStoreOrScope & NOT_ALIAS) != 0;
if (keystore != null) {
aliasNotInStore |= isSigned && (!inStore && !inScope);
}
// Only used when -verbose provided
StringBuffer sb = null;
if (verbose != null) {
sb = new StringBuffer();
boolean inManifest =
((man.getAttributes(name) != null) ||
(man.getAttributes("./"+name) != null) ||
(man.getAttributes("/"+name) != null));
sb.append(
(isSigned ? rb.getString("s") : rb.getString("SPACE")) +
(inManifest ? rb.getString("m") : rb.getString("SPACE")) +
(inStore ? rb.getString("k") : rb.getString("SPACE")) +
(inScope ? rb.getString("i") : rb.getString("SPACE")) +
((inStoreOrScope & NOT_ALIAS) != 0 ?"X":" ") +
rb.getString("SPACE"));
sb.append("|");
}
// When -certs provided, display info has extra empty
// lines at the beginning and end.
if (isSigned) {
if (showcerts) sb.append('\n');
for (CodeSigner signer: signers) {
// signerInfo() must be called even if -verbose
// not provided. The method updates various
// warning flags.
String si = signerInfo(signer, tab);
if (showcerts) {
sb.append(si);
sb.append('\n');
}
}
} else if (showcerts && !verbose.equals("all")) {
// Print no info for unsigned entries when -verbose:all,
// to be consistent with old behavior.
if (signatureRelated(name)) {
sb.append("\n" + tab + rb.getString(
".Signature.related.entries.") + "\n\n");
} else {
sb.append("\n" + tab + rb.getString(
".Unsigned.entries.") + "\n\n");
}
}
if (verbose != null) {
String label = sb.toString();
if (signatureRelated(name)) {
// Entries inside META-INF and other unsigned
// entries are grouped separately.
label = "-" + label;
}
// The label finally contains 2 parts separated by '|':
// The legend displayed before the entry names, and
// the cert info (if -certs specified).
if (!output.containsKey(label)) {
output.put(label, new ArrayList<String>());
}
StringBuffer fb = new StringBuffer();
String s = Long.toString(je.getSize());
for (int i = 6 - s.length(); i > 0; --i) {
fb.append(' ');
}
fb.append(s).append(' ').
append(new Date(je.getTime()).toString());
fb.append(' ').append(name);
output.get(label).add(fb.toString());
}
}
}
if (verbose != null) {
for (Entry<String,List<String>> s: output.entrySet()) {
List<String> files = s.getValue();
String key = s.getKey();
if (key.charAt(0) == '-') { // the signature-related group
key = key.substring(1);
}
int pipe = key.indexOf('|');
if (verbose.equals("all")) {
for (String f: files) {
System.out.println(key.substring(0, pipe) + f);
System.out.printf(key.substring(pipe+1));
}
} else {
if (verbose.equals("grouped")) {
for (String f: files) {
System.out.println(key.substring(0, pipe) + f);
}
} else if (verbose.equals("summary")) {
System.out.print(key.substring(0, pipe));
if (files.size() > 1) {
System.out.println(files.get(0) + " " +
String.format(rb.getString(
".and.d.more."), files.size()-1));
} else {
System.out.println(files.get(0));
}
}
System.out.printf(key.substring(pipe+1));
}
}
System.out.println();
System.out.println(rb.getString(
".s.signature.was.verified."));
System.out.println(rb.getString(
".m.entry.is.listed.in.manifest"));
System.out.println(rb.getString(
".k.at.least.one.certificate.was.found.in.keystore"));
System.out.println(rb.getString(
".i.at.least.one.certificate.was.found.in.identity.scope"));
if (ckaliases.size() > 0) {
System.out.println(rb.getString(
".X.not.signed.by.specified.alias.es."));
}
}
if (man == null) {
System.out.println();
System.out.println(rb.getString("no.manifest."));
}
// Even if the verbose option is not specified, all out strings
// must be generated so seeWeak can be updated.
if (!digestMap.isEmpty()
|| !sigMap.isEmpty()
|| !unparsableSignatures.isEmpty()) {
if (verbose != null) {
System.out.println();
}
for (String s : sigMap.keySet()) {
if (!digestMap.containsKey(s)) {
unparsableSignatures.putIfAbsent(s, String.format(
rb.getString("history.nosf"), s));
}
}
for (String s : digestMap.keySet()) {
PKCS7 p7 = sigMap.get(s);
if (p7 != null) {
String history;
try {
SignerInfo si = p7.getSignerInfos()[0];
X509Certificate signer = si.getCertificate(p7);
String digestAlg = digestMap.get(s);
String sigAlg = AlgorithmId.makeSigAlg(
si.getDigestAlgorithmId().getName(),
si.getDigestEncryptionAlgorithmId().getName());
PublicKey key = signer.getPublicKey();
PKCS7 tsToken = si.getTsToken();
if (tsToken != null) {
hasTimestampBlock = true;
SignerInfo tsSi = tsToken.getSignerInfos()[0];
X509Certificate tsSigner = tsSi.getCertificate(tsToken);
byte[] encTsTokenInfo = tsToken.getContentInfo().getData();
TimestampToken tsTokenInfo = new TimestampToken(encTsTokenInfo);
PublicKey tsKey = tsSigner.getPublicKey();
String tsDigestAlg = tsTokenInfo.getHashAlgorithm().getName();
String tsSigAlg = AlgorithmId.makeSigAlg(
tsSi.getDigestAlgorithmId().getName(),
tsSi.getDigestEncryptionAlgorithmId().getName());
Calendar c = Calendar.getInstance(
TimeZone.getTimeZone("UTC"),
Locale.getDefault(Locale.Category.FORMAT));
c.setTime(tsTokenInfo.getDate());
history = String.format(
rb.getString("history.with.ts"),
signer.getSubjectX500Principal(),
withWeak(digestAlg, DIGEST_PRIMITIVE_SET),
withWeak(sigAlg, SIG_PRIMITIVE_SET),
withWeak(key),
c,
tsSigner.getSubjectX500Principal(),
withWeak(tsDigestAlg, DIGEST_PRIMITIVE_SET),
withWeak(tsSigAlg, SIG_PRIMITIVE_SET),
withWeak(tsKey));
} else {
history = String.format(
rb.getString("history.without.ts"),
signer.getSubjectX500Principal(),
withWeak(digestAlg, DIGEST_PRIMITIVE_SET),
withWeak(sigAlg, SIG_PRIMITIVE_SET),
withWeak(key));
}
} catch (Exception e) {
// The only usage of sigNameMap, remember the name
// of the block file if it's invalid.
history = String.format(
rb.getString("history.unparsable"),
sigNameMap.get(s));
}
if (verbose != null) {
System.out.println(history);
}
} else {
unparsableSignatures.putIfAbsent(s, String.format(
rb.getString("history.nobk"), s));
}
}
if (verbose != null) {
for (String s : unparsableSignatures.keySet()) {
System.out.println(unparsableSignatures.get(s));
}
}
}
System.out.println();
// If signer is a trusted cert or private entry in user's own
// keystore, it can be self-signed. Please note aliasNotInStore
// is always false when ~/.keystore is used.
if (!aliasNotInStore && keystore != null) {
signerSelfSigned = false;
}
if (!anySigned) {
if (seeWeak) {
if (verbose != null) {
System.out.println(rb.getString("jar.treated.unsigned.see.weak.verbose"));
System.out.println("\n " +
DisabledAlgorithmConstraints.PROPERTY_JAR_DISABLED_ALGS +
"=" + Security.getProperty(DisabledAlgorithmConstraints.PROPERTY_JAR_DISABLED_ALGS));
} else {
System.out.println(rb.getString("jar.treated.unsigned.see.weak"));
}
} else if (hasSignature) {
System.out.println(rb.getString("jar.treated.unsigned"));
} else {
System.out.println(rb.getString("jar.is.unsigned"));
}
} else {
displayMessagesAndResult(false);
}
return;
} catch (Exception e) {
System.out.println(rb.getString("jarsigner.") + e);
if (debug) {
e.printStackTrace();
}
} finally { // close the resource
if (jf != null) {
jf.close();
}
}
System.exit(1);
}
private void displayMessagesAndResult(boolean isSigning) {
String result;
List<String> errors = new ArrayList<>();
List<String> warnings = new ArrayList<>();
List<String> info = new ArrayList<>();
boolean signerNotExpired = expireDate == null
|| expireDate.after(new Date());
if (badKeyUsage || badExtendedKeyUsage || badNetscapeCertType ||
notYetValidCert || chainNotValidated || hasExpiredCert ||
hasUnsignedEntry || signerSelfSigned || (weakAlg != 0) ||
aliasNotInStore || notSignedByAlias ||
tsaChainNotValidated ||
(hasExpiredTsaCert && !signerNotExpired)) {
if (strict) {
result = rb.getString(isSigning
? "jar.signed.with.signer.errors."
: "jar.verified.with.signer.errors.");
} else {
result = rb.getString(isSigning
? "jar.signed."
: "jar.verified.");
}
if (badKeyUsage) {
errors.add(rb.getString(isSigning
? "The.signer.certificate.s.KeyUsage.extension.doesn.t.allow.code.signing."
: "This.jar.contains.entries.whose.signer.certificate.s.KeyUsage.extension.doesn.t.allow.code.signing."));
}
if (badExtendedKeyUsage) {
errors.add(rb.getString(isSigning
? "The.signer.certificate.s.ExtendedKeyUsage.extension.doesn.t.allow.code.signing."
: "This.jar.contains.entries.whose.signer.certificate.s.ExtendedKeyUsage.extension.doesn.t.allow.code.signing."));
}
if (badNetscapeCertType) {
errors.add(rb.getString(isSigning
? "The.signer.certificate.s.NetscapeCertType.extension.doesn.t.allow.code.signing."
: "This.jar.contains.entries.whose.signer.certificate.s.NetscapeCertType.extension.doesn.t.allow.code.signing."));
}
// only in verifying
if (hasUnsignedEntry) {
errors.add(rb.getString(
"This.jar.contains.unsigned.entries.which.have.not.been.integrity.checked."));
}
if (hasExpiredCert) {
errors.add(rb.getString(isSigning
? "The.signer.certificate.has.expired."
: "This.jar.contains.entries.whose.signer.certificate.has.expired."));
}
if (notYetValidCert) {
errors.add(rb.getString(isSigning
? "The.signer.certificate.is.not.yet.valid."
: "This.jar.contains.entries.whose.signer.certificate.is.not.yet.valid."));
}
if (chainNotValidated) {
errors.add(String.format(rb.getString(isSigning
? "The.signer.s.certificate.chain.is.invalid.reason.1"
: "This.jar.contains.entries.whose.certificate.chain.is.invalid.reason.1"),
chainNotValidatedReason.getLocalizedMessage()));
}
if (hasExpiredTsaCert) {
errors.add(rb.getString("The.timestamp.has.expired."));
}
if (tsaChainNotValidated) {
errors.add(String.format(rb.getString(isSigning
? "The.tsa.certificate.chain.is.invalid.reason.1"
: "This.jar.contains.entries.whose.tsa.certificate.chain.is.invalid.reason.1"),
tsaChainNotValidatedReason.getLocalizedMessage()));
}
// only in verifying
if (notSignedByAlias) {
errors.add(
rb.getString("This.jar.contains.signed.entries.which.is.not.signed.by.the.specified.alias.es."));
}
// only in verifying
if (aliasNotInStore) {
errors.add(rb.getString("This.jar.contains.signed.entries.that.s.not.signed.by.alias.in.this.keystore."));
}
if (signerSelfSigned) {
errors.add(rb.getString(isSigning
? "The.signer.s.certificate.is.self.signed."
: "This.jar.contains.entries.whose.signer.certificate.is.self.signed."));
}
// weakAlg only detected in signing. The jar file is
// now simply treated unsigned in verifying.
if ((weakAlg & 1) == 1) {
errors.add(String.format(
rb.getString("The.1.algorithm.specified.for.the.2.option.is.considered.a.security.risk."),
digestalg, "-digestalg"));
}
if ((weakAlg & 2) == 2) {
errors.add(String.format(
rb.getString("The.1.algorithm.specified.for.the.2.option.is.considered.a.security.risk."),
sigalg, "-sigalg"));
}
if ((weakAlg & 4) == 4) {
errors.add(String.format(
rb.getString("The.1.algorithm.specified.for.the.2.option.is.considered.a.security.risk."),
tSADigestAlg, "-tsadigestalg"));
}
if ((weakAlg & 8) == 8) {
errors.add(String.format(
rb.getString("The.1.signing.key.has.a.keysize.of.2.which.is.considered.a.security.risk."),
privateKey.getAlgorithm(), KeyUtil.getKeySize(privateKey)));
}
} else {
result = rb.getString(isSigning ? "jar.signed." : "jar.verified.");
}
if (hasExpiredTsaCert) {
// No need to warn about expiring if already expired
hasExpiringTsaCert = false;
}
if (hasExpiringCert ||
(hasExpiringTsaCert && expireDate != null) ||
(noTimestamp && expireDate != null) ||
(hasExpiredTsaCert && signerNotExpired)) {
if (hasExpiredTsaCert && signerNotExpired) {
if (expireDate != null) {
warnings.add(String.format(
rb.getString("The.timestamp.expired.1.but.usable.2"),
tsaExpireDate,
expireDate));
}
// Reset the flag so exit code is 0
hasExpiredTsaCert = false;
}
if (hasExpiringCert) {
warnings.add(rb.getString(isSigning
? "The.signer.certificate.will.expire.within.six.months."
: "This.jar.contains.entries.whose.signer.certificate.will.expire.within.six.months."));
}
if (hasExpiringTsaCert && expireDate != null) {
if (expireDate.after(tsaExpireDate)) {
warnings.add(String.format(rb.getString(
"The.timestamp.will.expire.within.one.year.on.1.but.2"), tsaExpireDate, expireDate));
} else {
warnings.add(String.format(rb.getString(
"The.timestamp.will.expire.within.one.year.on.1"), tsaExpireDate));
}
}
if (noTimestamp && expireDate != null) {
if (hasTimestampBlock) {
warnings.add(String.format(rb.getString(isSigning
? "invalid.timestamp.signing"
: "bad.timestamp.verifying"), expireDate));
} else {
warnings.add(String.format(rb.getString(isSigning
? "no.timestamp.signing"
: "no.timestamp.verifying"), expireDate));
}
}
}
System.out.println(result);
if (strict) {
if (!errors.isEmpty()) {
System.out.println();
System.out.println(rb.getString("Error."));
errors.forEach(System.out::println);
}
if (!warnings.isEmpty()) {
System.out.println();
System.out.println(rb.getString("Warning."));
warnings.forEach(System.out::println);
}
} else {
if (!errors.isEmpty() || !warnings.isEmpty()) {
System.out.println();
System.out.println(rb.getString("Warning."));
errors.forEach(System.out::println);
warnings.forEach(System.out::println);
}
}
if (!isSigning && (!errors.isEmpty() || !warnings.isEmpty())) {
if (! (verbose != null && showcerts)) {
System.out.println();
System.out.println(rb.getString(
"Re.run.with.the.verbose.and.certs.options.for.more.details."));
}
}
if (isSigning || verbose != null) {
// Always print out expireDate, unless expired or expiring.
if (!hasExpiringCert && !hasExpiredCert
&& expireDate != null && signerNotExpired) {
info.add(String.format(rb.getString(
"The.signer.certificate.will.expire.on.1."), expireDate));
}
if (!noTimestamp) {
if (!hasExpiringTsaCert && !hasExpiredTsaCert && tsaExpireDate != null) {
if (signerNotExpired) {
info.add(String.format(rb.getString(
"The.timestamp.will.expire.on.1."), tsaExpireDate));
} else {
info.add(String.format(rb.getString(
"signer.cert.expired.1.but.timestamp.good.2."),
expireDate,
tsaExpireDate));
}
}
}
}
if (!info.isEmpty()) {
System.out.println();
info.forEach(System.out::println);
}
}
private String withWeak(String alg, Set<CryptoPrimitive> primitiveSet) {
if (DISABLED_CHECK.permits(primitiveSet, alg, null)) {
return alg;
} else {
seeWeak = true;
return String.format(rb.getString("with.weak"), alg);
}
}
private String withWeak(PublicKey key) {
if (DISABLED_CHECK.permits(SIG_PRIMITIVE_SET, key)) {
return String.format(
rb.getString("key.bit"), KeyUtil.getKeySize(key));
} else {
seeWeak = true;
return String.format(
rb.getString("key.bit.weak"), KeyUtil.getKeySize(key));
}
}
private static MessageFormat validityTimeForm = null;
private static MessageFormat notYetTimeForm = null;
private static MessageFormat expiredTimeForm = null;
private static MessageFormat expiringTimeForm = null;
/**
* Returns a string about a certificate:
*
* [<tab>] <cert-type> [", " <subject-DN>] [" (" <keystore-entry-alias> ")"]
* [<validity-period> | <expiry-warning>]
* [<key-usage-warning>]
*
* Note: no newline character at the end.
*
* This method sets global flags like hasExpiringCert, hasExpiredCert,
* notYetValidCert, badKeyUsage, badExtendedKeyUsage, badNetscapeCertType,
* hasExpiringTsaCert, hasExpiredTsaCert.
*
* @param isTsCert true if c is in the TSA cert chain, false otherwise.
* @param checkUsage true to check code signer keyUsage
*/
String printCert(boolean isTsCert, String tab, Certificate c,
Date timestamp, boolean checkUsage) throws Exception {
StringBuilder certStr = new StringBuilder();
String space = rb.getString("SPACE");
X509Certificate x509Cert = null;
if (c instanceof X509Certificate) {
x509Cert = (X509Certificate) c;
certStr.append(tab).append(x509Cert.getType())
.append(rb.getString("COMMA"))
.append(x509Cert.getSubjectDN().getName());
} else {
certStr.append(tab).append(c.getType());
}
String alias = storeHash.get(c);
if (alias != null) {
certStr.append(space).append(alias);
}
if (x509Cert != null) {
certStr.append("\n").append(tab).append("[");
if (trustedCerts.contains(x509Cert)) {
certStr.append(rb.getString("trusted.certificate"));
} else {
Date notAfter = x509Cert.getNotAfter();
try {
boolean printValidity = true;
if (isTsCert) {
if (tsaExpireDate == null || tsaExpireDate.after(notAfter)) {
tsaExpireDate = notAfter;
}
} else {
if (expireDate == null || expireDate.after(notAfter)) {
expireDate = notAfter;
}
}
if (timestamp == null) {
x509Cert.checkValidity();
// test if cert will expire within six months (or one year for tsa)
long age = isTsCert ? ONE_YEAR : SIX_MONTHS;
if (notAfter.getTime() < System.currentTimeMillis() + age) {
if (isTsCert) {
hasExpiringTsaCert = true;
} else {
hasExpiringCert = true;
}
if (expiringTimeForm == null) {
expiringTimeForm = new MessageFormat(
rb.getString("certificate.will.expire.on"));
}
Object[] source = {notAfter};
certStr.append(expiringTimeForm.format(source));
printValidity = false;
}
} else {
x509Cert.checkValidity(timestamp);
}
if (printValidity) {
if (validityTimeForm == null) {
validityTimeForm = new MessageFormat(
rb.getString("certificate.is.valid.from"));
}
Object[] source = {x509Cert.getNotBefore(), notAfter};
certStr.append(validityTimeForm.format(source));
}
} catch (CertificateExpiredException cee) {
if (isTsCert) {
hasExpiredTsaCert = true;
} else {
hasExpiredCert = true;
}
if (expiredTimeForm == null) {
expiredTimeForm = new MessageFormat(
rb.getString("certificate.expired.on"));
}
Object[] source = {notAfter};
certStr.append(expiredTimeForm.format(source));
} catch (CertificateNotYetValidException cnyve) {
if (!isTsCert) notYetValidCert = true;
if (notYetTimeForm == null) {
notYetTimeForm = new MessageFormat(
rb.getString("certificate.is.not.valid.until"));
}
Object[] source = {x509Cert.getNotBefore()};
certStr.append(notYetTimeForm.format(source));
}
}
certStr.append("]");
if (checkUsage) {
boolean[] bad = new boolean[3];
checkCertUsage(x509Cert, bad);
if (bad[0] || bad[1] || bad[2]) {
String x = "";
if (bad[0]) {
x ="KeyUsage";
}
if (bad[1]) {
if (x.length() > 0) x = x + ", ";
x = x + "ExtendedKeyUsage";
}
if (bad[2]) {
if (x.length() > 0) x = x + ", ";
x = x + "NetscapeCertType";
}
certStr.append("\n").append(tab)
.append(MessageFormat.format(rb.getString(
".{0}.extension.does.not.support.code.signing."), x));
}
}
}
return certStr.toString();
}
private static MessageFormat signTimeForm = null;
private String printTimestamp(String tab, Timestamp timestamp) {
if (signTimeForm == null) {
signTimeForm =
new MessageFormat(rb.getString("entry.was.signed.on"));
}
Object[] source = { timestamp.getTimestamp() };
return new StringBuilder().append(tab).append("[")
.append(signTimeForm.format(source)).append("]").toString();
}
private Map<CodeSigner,Integer> cacheForInKS = new IdentityHashMap<>();
private int inKeyStoreForOneSigner(CodeSigner signer) {
if (cacheForInKS.containsKey(signer)) {
return cacheForInKS.get(signer);
}
boolean found = false;
int result = 0;
List<? extends Certificate> certs = signer.getSignerCertPath().getCertificates();
for (Certificate c : certs) {
String alias = storeHash.get(c);
if (alias != null) {
if (alias.startsWith("(")) {
result |= IN_KEYSTORE;
} else if (alias.startsWith("[")) {
result |= IN_SCOPE;
}
if (ckaliases.contains(alias.substring(1, alias.length() - 1))) {
result |= SIGNED_BY_ALIAS;
}
} else {
if (store != null) {
try {
alias = store.getCertificateAlias(c);
} catch (KeyStoreException kse) {
// never happens, because keystore has been loaded
}
if (alias != null) {
storeHash.put(c, "(" + alias + ")");
found = true;
result |= IN_KEYSTORE;
}
}
if (ckaliases.contains(alias)) {
result |= SIGNED_BY_ALIAS;
}
}
}
cacheForInKS.put(signer, result);
return result;
}
Hashtable<Certificate, String> storeHash = new Hashtable<>();
int inKeyStore(CodeSigner[] signers) {
if (signers == null)
return 0;
int output = 0;
for (CodeSigner signer: signers) {
int result = inKeyStoreForOneSigner(signer);
output |= result;
}
if (ckaliases.size() > 0 && (output & SIGNED_BY_ALIAS) == 0) {
output |= NOT_ALIAS;
}
return output;
}
void signJar(String jarName, String alias, String[] args)
throws Exception {
DisabledAlgorithmConstraints dac =
new DisabledAlgorithmConstraints(
DisabledAlgorithmConstraints.PROPERTY_CERTPATH_DISABLED_ALGS);
if (digestalg != null && !dac.permits(
Collections.singleton(CryptoPrimitive.MESSAGE_DIGEST), digestalg, null)) {
weakAlg |= 1;
}
if (tSADigestAlg != null && !dac.permits(
Collections.singleton(CryptoPrimitive.MESSAGE_DIGEST), tSADigestAlg, null)) {
weakAlg |= 4;
}
if (sigalg != null && !dac.permits(
Collections.singleton(CryptoPrimitive.SIGNATURE), sigalg, null)) {
weakAlg |= 2;
}
boolean aliasUsed = false;
X509Certificate tsaCert = null;
if (sigfile == null) {
sigfile = alias;
aliasUsed = true;
}
if (sigfile.length() > 8) {
sigfile = sigfile.substring(0, 8).toUpperCase(Locale.ENGLISH);
} else {
sigfile = sigfile.toUpperCase(Locale.ENGLISH);
}
StringBuilder tmpSigFile = new StringBuilder(sigfile.length());
for (int j = 0; j < sigfile.length(); j++) {
char c = sigfile.charAt(j);
if (!
((c>= 'A' && c<= 'Z') ||
(c>= '0' && c<= '9') ||
(c == '-') ||
(c == '_'))) {
if (aliasUsed) {
// convert illegal characters from the alias to be _'s
c = '_';
} else {
throw new
RuntimeException(rb.getString
("signature.filename.must.consist.of.the.following.characters.A.Z.0.9.or."));
}
}
tmpSigFile.append(c);
}
sigfile = tmpSigFile.toString();
String tmpJarName;
if (signedjar == null) tmpJarName = jarName+".sig";
else tmpJarName = signedjar;
File jarFile = new File(jarName);
File signedJarFile = new File(tmpJarName);
// Open the jar (zip) file
try {
zipFile = new ZipFile(jarName);
} catch (IOException ioe) {
error(rb.getString("unable.to.open.jar.file.")+jarName, ioe);
}
FileOutputStream fos = null;
try {
fos = new FileOutputStream(signedJarFile);
} catch (IOException ioe) {
error(rb.getString("unable.to.create.")+tmpJarName, ioe);
}
PrintStream ps = new PrintStream(fos);
ZipOutputStream zos = new ZipOutputStream(ps);
/* First guess at what they might be - we don't xclude RSA ones. */
String sfFilename = (META_INF + sigfile + ".SF").toUpperCase(Locale.ENGLISH);
String bkFilename = (META_INF + sigfile + ".DSA").toUpperCase(Locale.ENGLISH);
Manifest manifest = new Manifest();
Map<String,Attributes> mfEntries = manifest.getEntries();
// The Attributes of manifest before updating
Attributes oldAttr = null;
boolean mfModified = false;
boolean mfCreated = false;
byte[] mfRawBytes = null;
try {
MessageDigest digests[] = { MessageDigest.getInstance(digestalg) };
// Check if manifest exists
ZipEntry mfFile;
if ((mfFile = getManifestFile(zipFile)) != null) {
// Manifest exists. Read its raw bytes.
mfRawBytes = getBytes(zipFile, mfFile);
manifest.read(new ByteArrayInputStream(mfRawBytes));
oldAttr = (Attributes)(manifest.getMainAttributes().clone());
} else {
// Create new manifest
Attributes mattr = manifest.getMainAttributes();
mattr.putValue(Attributes.Name.MANIFEST_VERSION.toString(),
"1.0");
String javaVendor = System.getProperty("java.vendor");
String jdkVersion = System.getProperty("java.version");
mattr.putValue("Created-By", jdkVersion + " (" +javaVendor
+ ")");
mfFile = new ZipEntry(JarFile.MANIFEST_NAME);
mfCreated = true;
}
/*
* For each entry in jar
* (except for signature-related META-INF entries),
* do the following:
*
* - if entry is not contained in manifest, add it to manifest;
* - if entry is contained in manifest, calculate its hash and
* compare it with the one in the manifest; if they are
* different, replace the hash in the manifest with the newly
* generated one. (This may invalidate existing signatures!)
*/
Vector<ZipEntry> mfFiles = new Vector<>();
boolean wasSigned = false;
for (Enumeration<? extends ZipEntry> enum_=zipFile.entries();
enum_.hasMoreElements();) {
ZipEntry ze = enum_.nextElement();
if (ze.getName().startsWith(META_INF)) {
// Store META-INF files in vector, so they can be written
// out first
mfFiles.addElement(ze);
if (SignatureFileVerifier.isBlockOrSF(
ze.getName().toUpperCase(Locale.ENGLISH))) {
wasSigned = true;
}
if (signatureRelated(ze.getName())) {
// ignore signature-related and manifest files
continue;
}
}
if (manifest.getAttributes(ze.getName()) != null) {
// jar entry is contained in manifest, check and
// possibly update its digest attributes
if (updateDigests(ze, zipFile, digests,
manifest) == true) {
mfModified = true;
}
} else if (!ze.isDirectory()) {
// Add entry to manifest
Attributes attrs = getDigestAttributes(ze, zipFile,
digests);
mfEntries.put(ze.getName(), attrs);
mfModified = true;
}
}
// Recalculate the manifest raw bytes if necessary
if (mfModified) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
manifest.write(baos);
if (wasSigned) {
byte[] newBytes = baos.toByteArray();
if (mfRawBytes != null
&& oldAttr.equals(manifest.getMainAttributes())) {
/*
* Note:
*
* The Attributes object is based on HashMap and can handle
* continuation columns. Therefore, even if the contents are
* not changed (in a Map view), the bytes that it write()
* may be different from the original bytes that it read()
* from. Since the signature on the main attributes is based
* on raw bytes, we must retain the exact bytes.
*/
int newPos = findHeaderEnd(newBytes);
int oldPos = findHeaderEnd(mfRawBytes);
if (newPos == oldPos) {
System.arraycopy(mfRawBytes, 0, newBytes, 0, oldPos);
} else {
// cat oldHead newTail > newBytes
byte[] lastBytes = new byte[oldPos +
newBytes.length - newPos];
System.arraycopy(mfRawBytes, 0, lastBytes, 0, oldPos);
System.arraycopy(newBytes, newPos, lastBytes, oldPos,
newBytes.length - newPos);
newBytes = lastBytes;
}
}
mfRawBytes = newBytes;
} else {
mfRawBytes = baos.toByteArray();
}
}
// Write out the manifest
if (mfModified) {
// manifest file has new length
mfFile = new ZipEntry(JarFile.MANIFEST_NAME);
}
if (verbose != null) {
if (mfCreated) {
System.out.println(rb.getString(".adding.") +
mfFile.getName());
} else if (mfModified) {
System.out.println(rb.getString(".updating.") +
mfFile.getName());
}
}
zos.putNextEntry(mfFile);
zos.write(mfRawBytes);
// Calculate SignatureFile (".SF") and SignatureBlockFile
ManifestDigester manDig = new ManifestDigester(mfRawBytes);
SignatureFile sf = new SignatureFile(digests, manifest, manDig,
sigfile, signManifest);
if (tsaAlias != null) {
tsaCert = getTsaCert(tsaAlias);
}
if (tsaUrl == null && tsaCert == null) {
noTimestamp = true;
}
SignatureFile.Block block = null;
try {
block =
sf.generateBlock(privateKey, sigalg, certChain,
externalSF, tsaUrl, tsaCert, tSAPolicyID, tSADigestAlg,
signingMechanism, args, zipFile);
} catch (SocketTimeoutException e) {
// Provide a helpful message when TSA is beyond a firewall
error(rb.getString("unable.to.sign.jar.") +
rb.getString("no.response.from.the.Timestamping.Authority.") +
"\n -J-Dhttp.proxyHost=<hostname>" +
"\n -J-Dhttp.proxyPort=<portnumber>\n" +
rb.getString("or") +
"\n -J-Dhttps.proxyHost=<hostname> " +
"\n -J-Dhttps.proxyPort=<portnumber> ", e);
}
sfFilename = sf.getMetaName();
bkFilename = block.getMetaName();
ZipEntry sfFile = new ZipEntry(sfFilename);
ZipEntry bkFile = new ZipEntry(bkFilename);
long time = System.currentTimeMillis();
sfFile.setTime(time);
bkFile.setTime(time);
// signature file
zos.putNextEntry(sfFile);
sf.write(zos);
if (verbose != null) {
if (zipFile.getEntry(sfFilename) != null) {
System.out.println(rb.getString(".updating.") +
sfFilename);
} else {
System.out.println(rb.getString(".adding.") +
sfFilename);
}
}
if (verbose != null) {
if (tsaUrl != null || tsaCert != null) {
System.out.println(
rb.getString("requesting.a.signature.timestamp"));
}
if (tsaUrl != null) {
System.out.println(rb.getString("TSA.location.") + tsaUrl);
}
if (tsaCert != null) {
URI tsaURI = TimestampedSigner.getTimestampingURI(tsaCert);
if (tsaURI != null) {
System.out.println(rb.getString("TSA.location.") +
tsaURI);
}
System.out.println(rb.getString("TSA.certificate.") +
printCert(true, "", tsaCert, null, false));
}
if (signingMechanism != null) {
System.out.println(
rb.getString("using.an.alternative.signing.mechanism"));
}
}
// signature block file
zos.putNextEntry(bkFile);
block.write(zos);
if (verbose != null) {
if (zipFile.getEntry(bkFilename) != null) {
System.out.println(rb.getString(".updating.") +
bkFilename);
} else {
System.out.println(rb.getString(".adding.") +
bkFilename);
}
}
// Write out all other META-INF files that we stored in the
// vector
for (int i=0; i<mfFiles.size(); i++) {
ZipEntry ze = mfFiles.elementAt(i);
if (!ze.getName().equalsIgnoreCase(JarFile.MANIFEST_NAME)
&& !ze.getName().equalsIgnoreCase(sfFilename)
&& !ze.getName().equalsIgnoreCase(bkFilename)) {
writeEntry(zipFile, zos, ze);
}
}
// Write out all other files
for (Enumeration<? extends ZipEntry> enum_=zipFile.entries();
enum_.hasMoreElements();) {
ZipEntry ze = enum_.nextElement();
if (!ze.getName().startsWith(META_INF)) {
if (verbose != null) {
if (manifest.getAttributes(ze.getName()) != null)
System.out.println(rb.getString(".signing.") +
ze.getName());
else
System.out.println(rb.getString(".adding.") +
ze.getName());
}
writeEntry(zipFile, zos, ze);
}
}
} catch(IOException ioe) {
error(rb.getString("unable.to.sign.jar.")+ioe, ioe);
} finally {
// close the resouces
if (zipFile != null) {
zipFile.close();
zipFile = null;
}
if (zos != null) {
zos.close();
}
}
// The JarSigner API always accepts the timestamp received.
// We need to extract the certs from the signed jar to
// validate it.
try (JarFile check = new JarFile(signedJarFile)) {
PKCS7 p7 = new PKCS7(check.getInputStream(check.getEntry(
"META-INF/" + sigfile + "." + privateKey.getAlgorithm())));
Timestamp ts = null;
try {
SignerInfo si = p7.getSignerInfos()[0];
if (si.getTsToken() != null) {
hasTimestampBlock = true;
}
ts = si.getTimestamp();
} catch (Exception e) {
tsaChainNotValidated = true;
tsaChainNotValidatedReason = e;
}
// Spaces before the ">>> Signer" and other lines are different
String result = certsAndTSInfo("", " ", Arrays.asList(certChain), ts);
if (verbose != null) {
System.out.println(result);
}
} catch (Exception e) {
if (debug) {
e.printStackTrace();
}
}
if (signedjar == null) {
// attempt an atomic rename. If that fails,
// rename the original jar file, then the signed
// one, then delete the original.
if (!signedJarFile.renameTo(jarFile)) {
File origJar = new File(jarName+".orig");
if (jarFile.renameTo(origJar)) {
if (signedJarFile.renameTo(jarFile)) {
origJar.delete();
} else {
MessageFormat form = new MessageFormat(rb.getString
("attempt.to.rename.signedJarFile.to.jarFile.failed"));
Object[] source = {signedJarFile, jarFile};
error(form.format(source));
}
} else {
MessageFormat form = new MessageFormat(rb.getString
("attempt.to.rename.jarFile.to.origJar.failed"));
Object[] source = {jarFile, origJar};
error(form.format(source));
}
}
}
displayMessagesAndResult(true);
}
/**
* Find the length of header inside bs. The header is a multiple (>=0)
* lines of attributes plus an empty line. The empty line is included
* in the header.
*/
@SuppressWarnings("fallthrough")
private int findHeaderEnd(byte[] bs) {
// Initial state true to deal with empty header
boolean newline = true; // just met a newline
int len = bs.length;
for (int i=0; i<len; i++) {
switch (bs[i]) {
case '\r':
if (i < len - 1 && bs[i+1] == '\n') i++;
// fallthrough
case '\n':
if (newline) return i+1; //+1 to get length
newline = true;
break;
default:
newline = false;
}
}
// If header end is not found, it means the MANIFEST.MF has only
// the main attributes section and it does not end with 2 newlines.
// Returns the whole length so that it can be completely replaced.
return len;
}
/**
* signature-related files include:
* . META-INF/MANIFEST.MF
* . META-INF/SIG-*
* . META-INF/*.SF
* . META-INF/*.DSA
* . META-INF/*.RSA
* . META-INF/*.EC
*/
private boolean signatureRelated(String name) {
return SignatureFileVerifier.isSigningRelated(name);
}
Map<CodeSigner,String> cacheForSignerInfo = new IdentityHashMap<>();
/**
* Returns a string of signer info, with a newline at the end.
* Called by verifyJar().
*/
private String signerInfo(CodeSigner signer, String tab) throws Exception {
if (cacheForSignerInfo.containsKey(signer)) {
return cacheForSignerInfo.get(signer);
}
List<? extends Certificate> certs = signer.getSignerCertPath().getCertificates();
// signing time is only displayed on verification
Timestamp ts = signer.getTimestamp();
String tsLine = "";
if (ts != null) {
tsLine = printTimestamp(tab, ts) + "\n";
}
// Spaces before the ">>> Signer" and other lines are the same.
String result = certsAndTSInfo(tab, tab, certs, ts);
cacheForSignerInfo.put(signer, tsLine + result);
return result;
}
/**
* Fills info on certs and timestamp into a StringBuilder, sets
* warning flags (through printCert) and validates cert chains.
*
* @param tab1 spaces before the ">>> Signer" line
* @param tab2 spaces before the other lines
* @param certs the signer cert
* @param ts the timestamp, can be null
* @return the info as a string
*/
private String certsAndTSInfo(
String tab1,
String tab2,
List<? extends Certificate> certs, Timestamp ts)
throws Exception {
Date timestamp;
if (ts != null) {
timestamp = ts.getTimestamp();
noTimestamp = false;
} else {
timestamp = null;
}
// display the certificate(s). The first one is end-entity cert and
// its KeyUsage should be checked.
boolean first = true;
StringBuilder sb = new StringBuilder();
sb.append(tab1).append(rb.getString("...Signer")).append('\n');
for (Certificate c : certs) {
sb.append(printCert(false, tab2, c, timestamp, first));
sb.append('\n');
first = false;
}
try {
validateCertChain(Validator.VAR_CODE_SIGNING, certs, ts);
} catch (Exception e) {
chainNotValidated = true;
chainNotValidatedReason = e;
sb.append(tab2).append(rb.getString(".Invalid.certificate.chain."))
.append(e.getLocalizedMessage()).append("]\n");
}
if (ts != null) {
sb.append(tab1).append(rb.getString("...TSA")).append('\n');
for (Certificate c : ts.getSignerCertPath().getCertificates()) {
sb.append(printCert(true, tab2, c, null, false));
sb.append('\n');
}
try {
validateCertChain(Validator.VAR_TSA_SERVER,
ts.getSignerCertPath().getCertificates(), null);
} catch (Exception e) {
tsaChainNotValidated = true;
tsaChainNotValidatedReason = e;
sb.append(tab2).append(rb.getString(".Invalid.TSA.certificate.chain."))
.append(e.getLocalizedMessage()).append("]\n");
}
}
if (certs.size() == 1
&& KeyStoreUtil.isSelfSigned((X509Certificate)certs.get(0))) {
signerSelfSigned = true;
}
return sb.toString();
}
private void writeEntry(ZipFile zf, ZipOutputStream os, ZipEntry ze)
throws IOException
{
ZipEntry ze2 = new ZipEntry(ze.getName());
ze2.setMethod(ze.getMethod());
ze2.setTime(ze.getTime());
ze2.setComment(ze.getComment());
ze2.setExtra(ze.getExtra());
if (ze.getMethod() == ZipEntry.STORED) {
ze2.setSize(ze.getSize());
ze2.setCrc(ze.getCrc());
}
os.putNextEntry(ze2);
writeBytes(zf, ze, os);
}
/**
* Writes all the bytes for a given entry to the specified output stream.
*/
private synchronized void writeBytes
(ZipFile zf, ZipEntry ze, ZipOutputStream os) throws IOException {
int n;
InputStream is = null;
try {
is = zf.getInputStream(ze);
long left = ze.getSize();
while((left > 0) && (n = is.read(buffer, 0, buffer.length)) != -1) {
os.write(buffer, 0, n);
left -= n;
}
} finally {
if (is != null) {
is.close();
}
}
}
void loadKeyStore(String keyStoreName, boolean prompt) {
if (!nullStream && keyStoreName == null) {
keyStoreName = System.getProperty("user.home") + File.separator
+ ".keystore";
}
try {
try {
KeyStore caks = KeyStoreUtil.getCacertsKeyStore();
if (caks != null) {
Enumeration<String> aliases = caks.aliases();
while (aliases.hasMoreElements()) {
String a = aliases.nextElement();
try {
trustedCerts.add((X509Certificate)caks.getCertificate(a));
} catch (Exception e2) {
// ignore, when a SecretkeyEntry does not include a cert
}
}
}
} catch (Exception e) {
// Ignore, if cacerts cannot be loaded
}
if (providerName == null) {
store = KeyStore.getInstance(storetype);
} else {
store = KeyStore.getInstance(storetype, providerName);
}
// Get pass phrase
// XXX need to disable echo; on UNIX, call getpass(char *prompt)Z
// and on NT call ??
if (token && storepass == null && !protectedPath
&& !KeyStoreUtil.isWindowsKeyStore(storetype)) {
storepass = getPass
(rb.getString("Enter.Passphrase.for.keystore."));
} else if (!token && storepass == null && prompt) {
storepass = getPass
(rb.getString("Enter.Passphrase.for.keystore."));
}
try {
if (nullStream) {
store.load(null, storepass);
} else {
keyStoreName = keyStoreName.replace(File.separatorChar, '/');
URL url = null;
try {
url = new URL(keyStoreName);
} catch (java.net.MalformedURLException e) {
// try as file
url = new File(keyStoreName).toURI().toURL();
}
InputStream is = null;
try {
is = url.openStream();
store.load(is, storepass);
} finally {
if (is != null) {
is.close();
}
}
}
Enumeration<String> aliases = store.aliases();
while (aliases.hasMoreElements()) {
String a = aliases.nextElement();
try {
X509Certificate c = (X509Certificate)store.getCertificate(a);
// Only add TrustedCertificateEntry and self-signed
// PrivateKeyEntry
if (store.isCertificateEntry(a) ||
c.getSubjectDN().equals(c.getIssuerDN())) {
trustedCerts.add(c);
}
} catch (Exception e2) {
// ignore, when a SecretkeyEntry does not include a cert
}
}
} finally {
try {
pkixParameters = new PKIXBuilderParameters(
trustedCerts.stream()
.map(c -> new TrustAnchor(c, null))
.collect(Collectors.toSet()),
null);
pkixParameters.setRevocationEnabled(false);
} catch (InvalidAlgorithmParameterException ex) {
// Only if tas is empty
}
}
} catch (IOException ioe) {
throw new RuntimeException(rb.getString("keystore.load.") +
ioe.getMessage());
} catch (java.security.cert.CertificateException ce) {
throw new RuntimeException(rb.getString("certificate.exception.") +
ce.getMessage());
} catch (NoSuchProviderException pe) {
throw new RuntimeException(rb.getString("keystore.load.") +
pe.getMessage());
} catch (NoSuchAlgorithmException nsae) {
throw new RuntimeException(rb.getString("keystore.load.") +
nsae.getMessage());
} catch (KeyStoreException kse) {
throw new RuntimeException
(rb.getString("unable.to.instantiate.keystore.class.") +
kse.getMessage());
}
}
X509Certificate getTsaCert(String alias) {
java.security.cert.Certificate cs = null;
try {
cs = store.getCertificate(alias);
} catch (KeyStoreException kse) {
// this never happens, because keystore has been loaded
}
if (cs == null || (!(cs instanceof X509Certificate))) {
MessageFormat form = new MessageFormat(rb.getString
("Certificate.not.found.for.alias.alias.must.reference.a.valid.KeyStore.entry.containing.an.X.509.public.key.certificate.for.the"));
Object[] source = {alias, alias};
error(form.format(source));
}
return (X509Certificate) cs;
}
/**
* Check if userCert is designed to be a code signer
* @param userCert the certificate to be examined
* @param bad 3 booleans to show if the KeyUsage, ExtendedKeyUsage,
* NetscapeCertType has codeSigning flag turned on.
* If null, the class field badKeyUsage, badExtendedKeyUsage,
* badNetscapeCertType will be set.
*/
void checkCertUsage(X509Certificate userCert, boolean[] bad) {
// Can act as a signer?
// 1. if KeyUsage, then [0:digitalSignature] or
// [1:nonRepudiation] should be true
// 2. if ExtendedKeyUsage, then should contains ANY or CODE_SIGNING
// 3. if NetscapeCertType, then should contains OBJECT_SIGNING
// 1,2,3 must be true
if (bad != null) {
bad[0] = bad[1] = bad[2] = false;
}
boolean[] keyUsage = userCert.getKeyUsage();
if (keyUsage != null) {
keyUsage = Arrays.copyOf(keyUsage, 9);
if (!keyUsage[0] && !keyUsage[1]) {
if (bad != null) {
bad[0] = true;
badKeyUsage = true;
}
}
}
try {
List<String> xKeyUsage = userCert.getExtendedKeyUsage();
if (xKeyUsage != null) {
if (!xKeyUsage.contains("2.5.29.37.0") // anyExtendedKeyUsage
&& !xKeyUsage.contains("1.3.6.1.5.5.7.3.3")) { // codeSigning
if (bad != null) {
bad[1] = true;
badExtendedKeyUsage = true;
}
}
}
} catch (java.security.cert.CertificateParsingException e) {
// shouldn't happen
}
try {
// OID_NETSCAPE_CERT_TYPE
byte[] netscapeEx = userCert.getExtensionValue
("2.16.840.1.113730.1.1");
if (netscapeEx != null) {
DerInputStream in = new DerInputStream(netscapeEx);
byte[] encoded = in.getOctetString();
encoded = new DerValue(encoded).getUnalignedBitString()
.toByteArray();
NetscapeCertTypeExtension extn =
new NetscapeCertTypeExtension(encoded);
Boolean val = extn.get(NetscapeCertTypeExtension.OBJECT_SIGNING);
if (!val) {
if (bad != null) {
bad[2] = true;
badNetscapeCertType = true;
}
}
}
} catch (IOException e) {
//
}
}
// Called by signJar().
void getAliasInfo(String alias) throws Exception {
Key key = null;
try {
java.security.cert.Certificate[] cs = null;
if (altCertChain != null) {
try (FileInputStream fis = new FileInputStream(altCertChain)) {
cs = CertificateFactory.getInstance("X.509").
generateCertificates(fis).
toArray(new Certificate[0]);
} catch (FileNotFoundException ex) {
error(rb.getString("File.specified.by.certchain.does.not.exist"));
} catch (CertificateException | IOException ex) {
error(rb.getString("Cannot.restore.certchain.from.file.specified"));
}
} else {
try {
cs = store.getCertificateChain(alias);
} catch (KeyStoreException kse) {
// this never happens, because keystore has been loaded
}
}
if (cs == null || cs.length == 0) {
if (altCertChain != null) {
error(rb.getString
("Certificate.chain.not.found.in.the.file.specified."));
} else {
MessageFormat form = new MessageFormat(rb.getString
("Certificate.chain.not.found.for.alias.alias.must.reference.a.valid.KeyStore.key.entry.containing.a.private.key.and"));
Object[] source = {alias, alias};
error(form.format(source));
}
}
certChain = new X509Certificate[cs.length];
for (int i=0; i<cs.length; i++) {
if (!(cs[i] instanceof X509Certificate)) {
error(rb.getString
("found.non.X.509.certificate.in.signer.s.chain"));
}
certChain[i] = (X509Certificate)cs[i];
}
try {
if (!token && keypass == null)
key = store.getKey(alias, storepass);
else
key = store.getKey(alias, keypass);
} catch (UnrecoverableKeyException e) {
if (token) {
throw e;
} else if (keypass == null) {
// Did not work out, so prompt user for key password
MessageFormat form = new MessageFormat(rb.getString
("Enter.key.password.for.alias."));
Object[] source = {alias};
keypass = getPass(form.format(source));
key = store.getKey(alias, keypass);
}
}
} catch (NoSuchAlgorithmException e) {
error(e.getMessage());
} catch (UnrecoverableKeyException e) {
error(rb.getString("unable.to.recover.key.from.keystore"));
} catch (KeyStoreException kse) {
// this never happens, because keystore has been loaded
}
if (!(key instanceof PrivateKey)) {
MessageFormat form = new MessageFormat(rb.getString
("key.associated.with.alias.not.a.private.key"));
Object[] source = {alias};
error(form.format(source));
} else {
privateKey = (PrivateKey)key;
}
}
void error(String message)
{
System.out.println(rb.getString("jarsigner.")+message);
System.exit(1);
}
void error(String message, Exception e)
{
System.out.println(rb.getString("jarsigner.")+message);
if (debug) {
e.printStackTrace();
}
System.exit(1);
}
/**
* Validates a cert chain.
*
* @param parameter this might be a timestamp
*/
void validateCertChain(String variant, List<? extends Certificate> certs,
Timestamp parameter)
throws Exception {
try {
Validator.getInstance(Validator.TYPE_PKIX,
variant,
pkixParameters)
.validate(certs.toArray(new X509Certificate[certs.size()]),
null, parameter);
} catch (Exception e) {
if (debug) {
e.printStackTrace();
}
// Exception might be dismissed if another warning flag
// is already set by printCert.
if (variant.equals(Validator.VAR_TSA_SERVER) &&
e instanceof ValidatorException) {
// Throw cause if it's CertPathValidatorException,
if (e.getCause() != null &&
e.getCause() instanceof CertPathValidatorException) {
e = (Exception) e.getCause();
Throwable t = e.getCause();
if ((t instanceof CertificateExpiredException &&
hasExpiredTsaCert)) {
// we already have hasExpiredTsaCert
return;
}
}
}
if (variant.equals(Validator.VAR_CODE_SIGNING) &&
e instanceof ValidatorException) {
// Throw cause if it's CertPathValidatorException,
if (e.getCause() != null &&
e.getCause() instanceof CertPathValidatorException) {
e = (Exception) e.getCause();
Throwable t = e.getCause();
if ((t instanceof CertificateExpiredException &&
hasExpiredCert) ||
(t instanceof CertificateNotYetValidException &&
notYetValidCert)) {
// we already have hasExpiredCert and notYetValidCert
return;
}
}
if (e instanceof ValidatorException) {
ValidatorException ve = (ValidatorException)e;
if (ve.getErrorType() == ValidatorException.T_EE_EXTENSIONS &&
(badKeyUsage || badExtendedKeyUsage || badNetscapeCertType)) {
// We already have badKeyUsage, badExtendedKeyUsage
// and badNetscapeCertType
return;
}
}
}
throw e;
}
}
char[] getPass(String prompt)
{
System.err.print(prompt);
System.err.flush();
try {
char[] pass = Password.readPassword(System.in);
if (pass == null) {
error(rb.getString("you.must.enter.key.password"));
} else {
return pass;
}
} catch (IOException ioe) {
error(rb.getString("unable.to.read.password.")+ioe.getMessage());
}
// this shouldn't happen
return null;
}
/*
* Reads all the bytes for a given zip entry.
*/
private synchronized byte[] getBytes(ZipFile zf,
ZipEntry ze) throws IOException {
int n;
InputStream is = null;
try {
is = zf.getInputStream(ze);
baos.reset();
long left = ze.getSize();
while((left > 0) && (n = is.read(buffer, 0, buffer.length)) != -1) {
baos.write(buffer, 0, n);
left -= n;
}
} finally {
if (is != null) {
is.close();
}
}
return baos.toByteArray();
}
/*
* Returns manifest entry from given jar file, or null if given jar file
* does not have a manifest entry.
*/
private ZipEntry getManifestFile(ZipFile zf) {
ZipEntry ze = zf.getEntry(JarFile.MANIFEST_NAME);
if (ze == null) {
// Check all entries for matching name
Enumeration<? extends ZipEntry> enum_ = zf.entries();
while (enum_.hasMoreElements() && ze == null) {
ze = enum_.nextElement();
if (!JarFile.MANIFEST_NAME.equalsIgnoreCase
(ze.getName())) {
ze = null;
}
}
}
return ze;
}
/*
* Computes the digests of a zip entry, and returns them as an array
* of base64-encoded strings.
*/
private synchronized String[] getDigests(ZipEntry ze, ZipFile zf,
MessageDigest[] digests)
throws IOException {
int n, i;
InputStream is = null;
try {
is = zf.getInputStream(ze);
long left = ze.getSize();
while((left > 0)
&& (n = is.read(buffer, 0, buffer.length)) != -1) {
for (i=0; i<digests.length; i++) {
digests[i].update(buffer, 0, n);
}
left -= n;
}
} finally {
if (is != null) {
is.close();
}
}
// complete the digests
String[] base64Digests = new String[digests.length];
for (i=0; i<digests.length; i++) {
base64Digests[i] = Base64.getEncoder().encodeToString(digests[i].digest());
}
return base64Digests;
}
/*
* Computes the digests of a zip entry, and returns them as a list of
* attributes
*/
private Attributes getDigestAttributes(ZipEntry ze, ZipFile zf,
MessageDigest[] digests)
throws IOException {
String[] base64Digests = getDigests(ze, zf, digests);
Attributes attrs = new Attributes();
for (int i=0; i<digests.length; i++) {
attrs.putValue(digests[i].getAlgorithm()+"-Digest",
base64Digests[i]);
}
return attrs;
}
/*
* Updates the digest attributes of a manifest entry, by adding or
* replacing digest values.
* A digest value is added if the manifest entry does not contain a digest
* for that particular algorithm.
* A digest value is replaced if it is obsolete.
*
* Returns true if the manifest entry has been changed, and false
* otherwise.
*/
private boolean updateDigests(ZipEntry ze, ZipFile zf,
MessageDigest[] digests,
Manifest mf) throws IOException {
boolean update = false;
Attributes attrs = mf.getAttributes(ze.getName());
String[] base64Digests = getDigests(ze, zf, digests);
for (int i=0; i<digests.length; i++) {
// The entry name to be written into attrs
String name = null;
try {
// Find if the digest already exists
AlgorithmId aid = AlgorithmId.get(digests[i].getAlgorithm());
for (Object key: attrs.keySet()) {
if (key instanceof Attributes.Name) {
String n = ((Attributes.Name)key).toString();
if (n.toUpperCase(Locale.ENGLISH).endsWith("-DIGEST")) {
String tmp = n.substring(0, n.length() - 7);
if (AlgorithmId.get(tmp).equals(aid)) {
name = n;
break;
}
}
}
}
} catch (NoSuchAlgorithmException nsae) {
// Ignored. Writing new digest entry.
}
if (name == null) {
name = digests[i].getAlgorithm()+"-Digest";
attrs.putValue(name, base64Digests[i]);
update=true;
} else {
// compare digests, and replace the one in the manifest
// if they are different
String mfDigest = attrs.getValue(name);
if (!mfDigest.equalsIgnoreCase(base64Digests[i])) {
attrs.putValue(name, base64Digests[i]);
update=true;
}
}
}
return update;
}
/*
* Try to load the specified signing mechanism.
* The URL class loader is used.
*/
private ContentSigner loadSigningMechanism(String signerClassName,
String signerClassPath) throws Exception {
// construct class loader
String cpString = null; // make sure env.class.path defaults to dot
// do prepends to get correct ordering
cpString = PathList.appendPath(System.getProperty("env.class.path"), cpString);
cpString = PathList.appendPath(System.getProperty("java.class.path"), cpString);
cpString = PathList.appendPath(signerClassPath, cpString);
URL[] urls = PathList.pathToURLs(cpString);
ClassLoader appClassLoader = new URLClassLoader(urls);
// attempt to find signer
Class<?> signerClass = appClassLoader.loadClass(signerClassName);
// Check that it implements ContentSigner
Object signer = signerClass.newInstance();
if (!(signer instanceof ContentSigner)) {
MessageFormat form = new MessageFormat(
rb.getString("signerClass.is.not.a.signing.mechanism"));
Object[] source = {signerClass.getName()};
throw new IllegalArgumentException(form.format(source));
}
return (ContentSigner)signer;
}
}
class SignatureFile {
/** SignatureFile */
Manifest sf;
/** .SF base name */
String baseName;
public SignatureFile(MessageDigest digests[],
Manifest mf,
ManifestDigester md,
String baseName,
boolean signManifest)
{
this.baseName = baseName;
String version = System.getProperty("java.version");
String javaVendor = System.getProperty("java.vendor");
sf = new Manifest();
Attributes mattr = sf.getMainAttributes();
mattr.putValue(Attributes.Name.SIGNATURE_VERSION.toString(), "1.0");
mattr.putValue("Created-By", version + " (" + javaVendor + ")");
if (signManifest) {
// sign the whole manifest
for (int i=0; i < digests.length; i++) {
mattr.putValue(digests[i].getAlgorithm()+"-Digest-Manifest",
Base64.getEncoder().encodeToString(md.manifestDigest(digests[i])));
}
}
// create digest of the manifest main attributes
ManifestDigester.Entry mde =
md.get(ManifestDigester.MF_MAIN_ATTRS, false);
if (mde != null) {
for (int i=0; i < digests.length; i++) {
mattr.putValue(digests[i].getAlgorithm() +
"-Digest-" + ManifestDigester.MF_MAIN_ATTRS,
Base64.getEncoder().encodeToString(mde.digest(digests[i])));
}
} else {
throw new IllegalStateException
("ManifestDigester failed to create " +
"Manifest-Main-Attribute entry");
}
/* go through the manifest entries and create the digests */
Map<String,Attributes> entries = sf.getEntries();
Iterator<Map.Entry<String,Attributes>> mit =
mf.getEntries().entrySet().iterator();
while(mit.hasNext()) {
Map.Entry<String,Attributes> e = mit.next();
String name = e.getKey();
mde = md.get(name, false);
if (mde != null) {
Attributes attr = new Attributes();
for (int i=0; i < digests.length; i++) {
attr.putValue(digests[i].getAlgorithm()+"-Digest",
Base64.getEncoder().encodeToString(mde.digest(digests[i])));
}
entries.put(name, attr);
}
}
}
/**
* Writes the SignatureFile to the specified OutputStream.
*
* @param out the output stream
* @exception IOException if an I/O error has occurred
*/
public void write(OutputStream out) throws IOException
{
sf.write(out);
}
/**
* get .SF file name
*/
public String getMetaName()
{
return "META-INF/"+ baseName + ".SF";
}
/**
* get base file name
*/
public String getBaseName()
{
return baseName;
}
/*
* Generate a signed data block.
* If a URL or a certificate (containing a URL) for a Timestamping
* Authority is supplied then a signature timestamp is generated and
* inserted into the signed data block.
*
* @param sigalg signature algorithm to use, or null to use default
* @param tsaUrl The location of the Timestamping Authority. If null
* then no timestamp is requested.
* @param tsaCert The certificate for the Timestamping Authority. If null
* then no timestamp is requested.
* @param signingMechanism The signing mechanism to use.
* @param args The command-line arguments to jarsigner.
* @param zipFile The original source Zip file.
*/
public Block generateBlock(PrivateKey privateKey,
String sigalg,
X509Certificate[] certChain,
boolean externalSF, String tsaUrl,
X509Certificate tsaCert,
String tSAPolicyID,
String tSADigestAlg,
ContentSigner signingMechanism,
String[] args, ZipFile zipFile)
throws NoSuchAlgorithmException, InvalidKeyException, IOException,
SignatureException, CertificateException
{
return new Block(this, privateKey, sigalg, certChain, externalSF,
tsaUrl, tsaCert, tSAPolicyID, tSADigestAlg, signingMechanism, args, zipFile);
}
public static class Block {
private byte[] block;
private String blockFileName;
/*
* Construct a new signature block.
*/
Block(SignatureFile sfg, PrivateKey privateKey, String sigalg,
X509Certificate[] certChain, boolean externalSF, String tsaUrl,
X509Certificate tsaCert, String tSAPolicyID, String tSADigestAlg,
ContentSigner signingMechanism, String[] args, ZipFile zipFile)
throws NoSuchAlgorithmException, InvalidKeyException, IOException,
SignatureException, CertificateException {
Principal issuerName = certChain[0].getIssuerDN();
if (!(issuerName instanceof X500Name)) {
// must extract the original encoded form of DN for subsequent
// name comparison checks (converting to a String and back to
// an encoded DN could cause the types of String attribute
// values to be changed)
X509CertInfo tbsCert = new
X509CertInfo(certChain[0].getTBSCertificate());
issuerName = (Principal)
tbsCert.get(X509CertInfo.ISSUER + "." +
X509CertInfo.DN_NAME);
}
BigInteger serial = certChain[0].getSerialNumber();
String signatureAlgorithm;
String keyAlgorithm = privateKey.getAlgorithm();
/*
* If no signature algorithm was specified, we choose a
* default that is compatible with the private key algorithm.
*/
if (sigalg == null) {
if (keyAlgorithm.equalsIgnoreCase("DSA"))
signatureAlgorithm = "SHA256withDSA";
else if (keyAlgorithm.equalsIgnoreCase("RSA"))
signatureAlgorithm = "SHA256withRSA";
else if (keyAlgorithm.equalsIgnoreCase("EC"))
signatureAlgorithm = "SHA256withECDSA";
else
throw new RuntimeException("private key is not a DSA or "
+ "RSA key");
} else {
signatureAlgorithm = sigalg;
}
// check common invalid key/signature algorithm combinations
String sigAlgUpperCase = signatureAlgorithm.toUpperCase(Locale.ENGLISH);
if ((sigAlgUpperCase.endsWith("WITHRSA") &&
!keyAlgorithm.equalsIgnoreCase("RSA")) ||
(sigAlgUpperCase.endsWith("WITHECDSA") &&
!keyAlgorithm.equalsIgnoreCase("EC")) ||
(sigAlgUpperCase.endsWith("WITHDSA") &&
!keyAlgorithm.equalsIgnoreCase("DSA"))) {
throw new SignatureException
("private key algorithm is not compatible with signature algorithm");
}
blockFileName = "META-INF/"+sfg.getBaseName()+"."+keyAlgorithm;
AlgorithmId sigAlg = AlgorithmId.get(signatureAlgorithm);
AlgorithmId digEncrAlg = AlgorithmId.get(keyAlgorithm);
Signature sig = Signature.getInstance(signatureAlgorithm);
sig.initSign(privateKey);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
sfg.write(baos);
byte[] content = baos.toByteArray();
sig.update(content);
byte[] signature = sig.sign();
// Timestamp the signature and generate the signature block file
if (signingMechanism == null) {
signingMechanism = new TimestampedSigner();
}
URI tsaUri = null;
try {
if (tsaUrl != null) {
tsaUri = new URI(tsaUrl);
}
} catch (URISyntaxException e) {
throw new IOException(e);
}
// Assemble parameters for the signing mechanism
ContentSignerParameters params =
new JarSignerParameters(args, tsaUri, tsaCert, tSAPolicyID,
tSADigestAlg, signature,
signatureAlgorithm, certChain, content, zipFile);
// Generate the signature block
block = signingMechanism.generateSignedData(
params, externalSF, (tsaUrl != null || tsaCert != null));
}
/*
* get block file name.
*/
public String getMetaName()
{
return blockFileName;
}
/**
* Writes the block file to the specified OutputStream.
*
* @param out the output stream
* @exception IOException if an I/O error has occurred
*/
public void write(OutputStream out) throws IOException
{
out.write(block);
}
}
}