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[#19] General Name/DN equals functionality (#93)

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* Adding new class GeneralNames, I will be changing it to adjust to the bc class as to not confuse the two.  This class takes the subject string and parse out the information for comparsion.

* Adding file I didn't have tracked in the previous commit.

* Updating code to handle the instance of multiple organization units.

* A null exception was being thrown from the unit tests for the organization unit variable.

* Add some comments

* continued testing and updates are needed.

* Cleanup - removed excess commented code and debug lines.

* Updating code base to use X500Name for name compares, removing GeneralNamesParser.java file as it is not necessary

* Updated for final changes.

* Modification to previous changes per request on github.  Separated out compare method into its own class and created unit tests.
This commit is contained in:
Cyrus 2019-02-19 10:26:25 -05:00 committed by apldev3
parent 3a31631c59
commit 30caf57edb
5 changed files with 139 additions and 4 deletions
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6
HIRS_AttestationCAPortal/src/main/java/hirs/attestationca/portal/util/CertificateStringMapBuilder.java
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@ -16,6 +16,7 @@ import hirs.data.persist.certificate.IssuedAttestationCertificate;
import hirs.data.persist.certificate.PlatformCredential;
import hirs.data.persist.certificate.attributes.PlatformConfiguration;
import hirs.persist.CertificateManager;
import hirs.utils.BouncyCastleUtils;
/**
* Utility class for mapping certificate information in to string maps. These are used to display
@ -141,12 +142,13 @@ public final class CertificateStringMapBuilder {
.getCertificates();
}
for (Certificate issuerCert: issuerCertificates) {
for (Certificate issuerCert : issuerCertificates) {
try {
// Find the certificate that actually signed this cert
if (certificate.isIssuer(issuerCert)) {
//Check if it's root certificate
if (issuerCert.getIssuer().equals(issuerCert.getSubject())) {
if (BouncyCastleUtils.x500NameCompare(issuerCert.getIssuer(),
issuerCert.getSubject())) {
return null;
}
return containsAllChain(issuerCert, certificateManager);

4
HIRS_AttestationCAPortal/src/main/webapp/WEB-INF/jsp/certificate-details.jsp
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@ -237,7 +237,7 @@
</c:when>
<c:when test="${param.type=='endorsement'}">
<div class="row">
<div class="col-md-1 col-md-offset-1"><span class="colHeader">TPM</span></div>
<div class="col-md-1 col-md-offset-1"><span class="colHeader">System Information</span></div>
<div id="subjectAltName" class="col col-md-8">
<div id="manufacturer">Manufacturer:&nbsp;<span>${initialData.manufacturer}</span></div>
<div id="model">Model:&nbsp;<span>${initialData.model}</span></div>
@ -355,7 +355,7 @@
</div>
</div>
<div class="row">
<div class="col-md-1 col-md-offset-1"><span class="colHeader">TPM</span></div>
<div class="col-md-1 col-md-offset-1"><span class="colHeader">System Information</span></div>
<div id="subjectAltName" class="col col-md-8">
<div id="manufacturer">Manufacturer:&nbsp;<span>${initialData.manufacturer}</span></div>
<div id="model">Model:&nbsp;<span>${initialData.model}</span></div>

53
HIRS_Utils/src/main/java/hirs/utils/BouncyCastleUtils.java Normal file
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@ -0,0 +1,53 @@
package hirs.utils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.bouncycastle.asn1.x500.X500Name;
/**
* Utilities class specific for additional Bouncy Castle functionality.
*/
public final class BouncyCastleUtils {
private static final String SEPARATOR_COMMA = ",";
private static final String SEPARATOR_PLUS = "+";
private static final Logger LOGGER = LogManager.getLogger(BouncyCastleUtils.class);
/**
* Prevents construction of an instance of this class.
*/
private BouncyCastleUtils() {
}
/**
* This method can be used to compare the distinguished names given from
* certificates. This compare uses X500Name class in bouncy castle, which
* compares the RDNs and not the string itself. The method will check for
* '+' and replace them, X500Name doesn't do this.
*
* @param nameValue1 first general name to be used
* @param nameValue2 second general name to be used
* @return true if the values match based on the RDNs, false if not
*/
public static boolean x500NameCompare(final String nameValue1, final String nameValue2) {
if (nameValue1 == null || nameValue2 == null) {
throw new IllegalArgumentException("Provided DN string is null.");
}
boolean result = false;
X500Name x500Name1;
X500Name x500Name2;
try {
x500Name1 = new X500Name(nameValue1.replace(SEPARATOR_PLUS, SEPARATOR_COMMA));
x500Name2 = new X500Name(nameValue2.replace(SEPARATOR_PLUS, SEPARATOR_COMMA));
result = x500Name1.equals(x500Name2);
} catch (IllegalArgumentException iaEx) {
LOGGER.error(iaEx.toString());
}
return result;
}
}

1
HIRS_Utils/src/main/java/hirs/utils/Functional.java
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@ -8,6 +8,7 @@ import java.util.List;
* Simple utility class to house some functional methods.
*/
public final class Functional {
/**
* Prevents construction of an instance of this class.
*/

79
HIRS_Utils/src/test/java/hirs/utils/BouncyCastleUtilsTest.java Normal file
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@ -0,0 +1,79 @@
package hirs.utils;
import org.apache.logging.log4j.util.Strings;
import org.testng.Assert;
import org.testng.annotations.Test;
/**
* Tests methods in the (@link BouncyCastleUtils) utility class.
*/
public class BouncyCastleUtilsTest {
private static final String VALID_RDN_STRING = "OU=PCTest,O=example.com,C=US";
private static final String VALID_RDN_STRING_SWITCHED = "C=US,OU=PCTest,O=example.com";
private static final String VALID_RDN_STRING_UPPERCASE = "OU=PCTEST,O=EXAMPLE.COM,C=US";
private static final String VALID_RDN_STRING_PLUS = "OU=PCTest+O=example.com+C=US";
private static final String UNEQUAL_RDN_STRING = "OU=PCTest,O=example1.com,C=US";
private static final String MALFORMED_RDN_STRING = "OU=PCTest,OZ=example1.com,C=US";
/**
* True Test of x500NameCompare method, of class BouncyCastleUtils.
*/
@Test
public void testX500NameCompareTrue() {
Assert.assertTrue(BouncyCastleUtils.x500NameCompare(
VALID_RDN_STRING, VALID_RDN_STRING_SWITCHED));
Assert.assertTrue(BouncyCastleUtils.x500NameCompare(
VALID_RDN_STRING, VALID_RDN_STRING_UPPERCASE));
Assert.assertTrue(BouncyCastleUtils.x500NameCompare(
VALID_RDN_STRING, VALID_RDN_STRING_PLUS));
}
/**
* False Test of x500NameCompare method, of class BouncyCastleUtils.
*/
@Test
public void testX500NameCompareFalse() {
Assert.assertFalse(BouncyCastleUtils.x500NameCompare(
VALID_RDN_STRING, UNEQUAL_RDN_STRING));
// Error that aren't thrown but logged
Assert.assertFalse(BouncyCastleUtils.x500NameCompare(VALID_RDN_STRING, Strings.EMPTY));
Assert.assertFalse(BouncyCastleUtils.x500NameCompare(Strings.EMPTY, VALID_RDN_STRING));
Assert.assertFalse(BouncyCastleUtils.x500NameCompare(Strings.EMPTY, Strings.EMPTY));
Assert.assertFalse(BouncyCastleUtils.x500NameCompare(
VALID_RDN_STRING, MALFORMED_RDN_STRING));
Assert.assertFalse(BouncyCastleUtils.x500NameCompare(
MALFORMED_RDN_STRING, VALID_RDN_STRING));
Assert.assertFalse(BouncyCastleUtils.x500NameCompare(
MALFORMED_RDN_STRING, MALFORMED_RDN_STRING));
}
/**
* Null String Error Test of x500NameCompare method, of class
* BouncyCastleUtils.
*/
@Test
public void testX500NameCompareNullError() {
try {
BouncyCastleUtils.x500NameCompare(VALID_RDN_STRING, null);
Assert.fail("No IllegalArgumentException thrown.");
} catch (Exception ex) {
Assert.assertEquals(ex.getMessage(), "Provided DN string is null.");
}
try {
BouncyCastleUtils.x500NameCompare(null, VALID_RDN_STRING);
Assert.fail("No IllegalArgumentException thrown.");
} catch (Exception ex) {
Assert.assertEquals(ex.getMessage(), "Provided DN string is null.");
}
try {
BouncyCastleUtils.x500NameCompare(null, null);
Assert.fail("No IllegalArgumentException thrown.");
} catch (Exception ex) {
Assert.assertEquals(ex.getMessage(), "Provided DN string is null.");
}
}
}