sun.security.tools.KeyStoreUtil Maven / Gradle / Ivy
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/*
* Copyright (c) 2005, 2020, 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
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package sun.security.tools;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.StreamTokenizer;
import java.io.StringReader;
import java.net.URL;
import java.security.KeyStore;
import java.security.Provider;
import java.security.Security;
import java.security.cert.X509Certificate;
import java.text.Collator;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Locale;
import java.util.Properties;
import java.util.ResourceBundle;
import java.util.ServiceLoader;
import sun.security.util.FilePaths;
import sun.security.util.PropertyExpander;
/**
* This class provides several utilities to KeyStore.
*
* @since 1.6.0
*/
public class KeyStoreUtil {
private KeyStoreUtil() {
// this class is not meant to be instantiated
}
/**
* Returns true if the certificate is self-signed, false otherwise.
*/
public static boolean isSelfSigned(X509Certificate cert) {
return signedBy(cert, cert);
}
public static boolean signedBy(X509Certificate end, X509Certificate ca) {
if (!ca.getSubjectX500Principal().equals(end.getIssuerX500Principal())) {
return false;
}
try {
end.verify(ca.getPublicKey());
return true;
} catch (Exception e) {
return false;
}
}
/**
* Returns true if KeyStore has a password. This is true except for
* MSCAPI KeyStores
*/
public static boolean isWindowsKeyStore(String storetype) {
return storetype != null
&& (storetype.equalsIgnoreCase("Windows-MY")
|| storetype.equalsIgnoreCase("Windows-ROOT"));
}
/**
* Returns standard-looking names for storetype
*/
public static String niceStoreTypeName(String storetype) {
if (storetype.equalsIgnoreCase("Windows-MY")) {
return "Windows-MY";
} else if(storetype.equalsIgnoreCase("Windows-ROOT")) {
return "Windows-ROOT";
} else {
return storetype.toUpperCase(Locale.ENGLISH);
}
}
/**
* Returns the file name of the keystore with the configured CA certificates.
*/
public static String getCacerts() {
return FilePaths.cacerts();
}
/**
* Returns the keystore with the configured CA certificates.
*/
public static KeyStore getCacertsKeyStore() throws Exception {
File file = new File(getCacerts());
if (!file.exists()) {
return null;
}
return KeyStore.getInstance(file, (char[])null);
}
public static char[] getPassWithModifier(String modifier, String arg,
ResourceBundle rb,
Collator collator) {
if (modifier == null) {
return arg.toCharArray();
} else if (collator.compare(modifier, "env") == 0) {
String value = System.getenv(arg);
if (value == null) {
System.err.println(rb.getString(
"Cannot.find.environment.variable.") + arg);
return null;
} else {
return value.toCharArray();
}
} else if (collator.compare(modifier, "file") == 0) {
try {
URL url = null;
try {
url = new URL(arg);
} catch (java.net.MalformedURLException mue) {
File f = new File(arg);
if (f.exists()) {
url = f.toURI().toURL();
} else {
System.err.println(rb.getString(
"Cannot.find.file.") + arg);
return null;
}
}
try (BufferedReader br =
new BufferedReader(new InputStreamReader(
url.openStream()))) {
String value = br.readLine();
if (value == null) {
return new char[0];
}
return value.toCharArray();
}
} catch (IOException ioe) {
System.err.println(ioe);
return null;
}
} else {
System.err.println(rb.getString("Unknown.password.type.") +
modifier);
return null;
}
}
/**
* Parses a option line likes
* -genkaypair -dname "CN=Me"
* and add the results into a list
* @param list the list to fill into
* @param s the line
*/
private static void parseArgsLine(List list, String s)
throws IOException, PropertyExpander.ExpandException {
StreamTokenizer st = new StreamTokenizer(new StringReader(s));
st.resetSyntax();
st.whitespaceChars(0x00, 0x20);
st.wordChars(0x21, 0xFF);
// Everything is a word char except for quotation and apostrophe
st.quoteChar('"');
st.quoteChar('\'');
while (true) {
if (st.nextToken() == StreamTokenizer.TT_EOF) {
break;
}
list.add(PropertyExpander.expand(st.sval));
}
}
/**
* Prepends matched options from a pre-configured options file.
*
* @param tool the name of the tool, can be "keytool" or "jarsigner"
* @param file the pre-configured options file
* @param c1 the name of the command, with the "-" prefix,
* must not be null
* @param c2 the alternative command name, with the "-" prefix,
* null if none. For example, "genkey" is alt name for
* "genkeypair". A command can only have one alt name now.
* @param args existing arguments
* @return arguments combined
* @throws IOException if there is a file I/O or format error
* @throws PropertyExpander.ExpandException
* if there is a property expansion error
*/
public static String[] expandArgs(String tool, String file,
String c1, String c2, String[] args)
throws IOException, PropertyExpander.ExpandException {
List result = new ArrayList<>();
Properties p = new Properties();
p.load(new FileInputStream(file));
String s = p.getProperty(tool + ".all");
if (s != null) {
parseArgsLine(result, s);
}
// Cannot provide both -genkey and -genkeypair
String s1 = p.getProperty(tool + "." + c1.substring(1));
String s2 = null;
if (c2 != null) {
s2 = p.getProperty(tool + "." + c2.substring(1));
}
if (s1 != null && s2 != null) {
throw new IOException("Cannot have both " + c1 + " and "
+ c2 + " as pre-configured options");
}
if (s1 == null) {
s1 = s2;
}
if (s1 != null) {
parseArgsLine(result, s1);
}
if (result.isEmpty()) {
return args;
} else {
result.addAll(Arrays.asList(args));
return result.toArray(new String[result.size()]);
}
}
/**
* Loads a security provider as a service.
*
* @param provName the name
* @param arg optional arg
* @throws IllegalArgumentException if no provider matches the name
*/
public static void loadProviderByName(String provName, String arg) {
Provider loaded = Security.getProvider(provName);
if (loaded != null) {
if (arg != null) {
loaded = loaded.configure(arg);
Security.addProvider(loaded);
}
return;
}
for (Provider p : ServiceLoader.load(Provider.class,
ClassLoader.getSystemClassLoader())) {
if (p.getName().equals(provName)) {
if (arg != null) {
p = p.configure(arg);
}
Security.addProvider(p);
return;
}
}
throw new IllegalArgumentException("No provider found");
}
/**
* Loads a security provider by a fully-qualified class name.
*
* @param provClass the class name
* @param arg optional arg
* @param cl optional class loader
* @throws IllegalArgumentException if no provider matches the class name
* @throws ClassCastException if the class has not extended Provider
*/
public static void loadProviderByClass(
String provClass, String arg, ClassLoader cl) {
// For compatibility, SunPKCS11, and SunMSCAPI
// can still be loadable with -providerClass.
if (provClass.equals("sun.security.pkcs11.SunPKCS11")) {
loadProviderByName("SunPKCS11", arg);
return;
} else if (provClass.equals("sun.security.mscapi.SunMSCAPI")) {
loadProviderByName("SunMSCAPI", arg);
return;
}
Provider prov;
try {
Class clazz = Class.forName(provClass, false, cl);
prov = (Provider) clazz.getConstructor().newInstance();
} catch (ReflectiveOperationException e) {
throw new IllegalArgumentException(e);
}
if (arg != null) {
prov = prov.configure(arg);
}
Security.addProvider(prov);
}
}