mirror of
https://github.com/vanitasvitae/Smack.git
synced 2024-12-23 02:58:00 +01:00
Improved parsing of subjectDNs. SMACK-181
git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@5984 b35dd754-fafc-0310-a699-88a17e54d16e
This commit is contained in:
parent
a31f93d9d3
commit
0e0f1701a4
1 changed files with 81 additions and 19 deletions
|
@ -24,8 +24,11 @@ import javax.net.ssl.X509TrustManager;
|
||||||
import java.io.FileInputStream;
|
import java.io.FileInputStream;
|
||||||
import java.security.*;
|
import java.security.*;
|
||||||
import java.security.cert.CertificateException;
|
import java.security.cert.CertificateException;
|
||||||
|
import java.security.cert.CertificateParsingException;
|
||||||
import java.security.cert.X509Certificate;
|
import java.security.cert.X509Certificate;
|
||||||
import java.util.Date;
|
import java.util.*;
|
||||||
|
import java.util.regex.Matcher;
|
||||||
|
import java.util.regex.Pattern;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Trust manager that checks all certificates presented by the server. This class
|
* Trust manager that checks all certificates presented by the server. This class
|
||||||
|
@ -37,6 +40,8 @@ import java.util.Date;
|
||||||
*/
|
*/
|
||||||
class ServerTrustManager implements X509TrustManager {
|
class ServerTrustManager implements X509TrustManager {
|
||||||
|
|
||||||
|
private static Pattern cnPattern = Pattern.compile("(?i)(cn=)([^,]*)");
|
||||||
|
|
||||||
private ConnectionConfiguration configuration;
|
private ConnectionConfiguration configuration;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
|
@ -74,7 +79,7 @@ class ServerTrustManager implements X509TrustManager {
|
||||||
|
|
||||||
int nSize = x509Certificates.length;
|
int nSize = x509Certificates.length;
|
||||||
|
|
||||||
String peerIdentity = getPeerIdentity(x509Certificates[0]);
|
List<String> peerIdentities = getPeerIdentity(x509Certificates[0]);
|
||||||
|
|
||||||
if (configuration.isVerifyChainEnabled()) {
|
if (configuration.isVerifyChainEnabled()) {
|
||||||
// Working down the chain, for every certificate in the chain,
|
// Working down the chain, for every certificate in the chain,
|
||||||
|
@ -94,12 +99,12 @@ class ServerTrustManager implements X509TrustManager {
|
||||||
}
|
}
|
||||||
catch (GeneralSecurityException generalsecurityexception) {
|
catch (GeneralSecurityException generalsecurityexception) {
|
||||||
throw new CertificateException(
|
throw new CertificateException(
|
||||||
"signature verification failed of " + peerIdentity);
|
"signature verification failed of " + peerIdentities);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
else {
|
else {
|
||||||
throw new CertificateException(
|
throw new CertificateException(
|
||||||
"subject/issuer verification failed of " + peerIdentity);
|
"subject/issuer verification failed of " + peerIdentities);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
principalLast = principalSubject;
|
principalLast = principalSubject;
|
||||||
|
@ -115,7 +120,7 @@ class ServerTrustManager implements X509TrustManager {
|
||||||
if (!trusted && nSize == 1 && configuration.isSelfSignedCertificateEnabled())
|
if (!trusted && nSize == 1 && configuration.isSelfSignedCertificateEnabled())
|
||||||
{
|
{
|
||||||
System.out.println("Accepting self-signed certificate of remote server: " +
|
System.out.println("Accepting self-signed certificate of remote server: " +
|
||||||
peerIdentity);
|
peerIdentities);
|
||||||
trusted = true;
|
trusted = true;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
@ -123,7 +128,7 @@ class ServerTrustManager implements X509TrustManager {
|
||||||
e.printStackTrace();
|
e.printStackTrace();
|
||||||
}
|
}
|
||||||
if (!trusted) {
|
if (!trusted) {
|
||||||
throw new CertificateException("root certificate not trusted of " + peerIdentity);
|
throw new CertificateException("root certificate not trusted of " + peerIdentities);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -131,16 +136,16 @@ class ServerTrustManager implements X509TrustManager {
|
||||||
// Verify that the first certificate in the chain corresponds to
|
// Verify that the first certificate in the chain corresponds to
|
||||||
// the server we desire to authenticate.
|
// the server we desire to authenticate.
|
||||||
// Check if the certificate uses a wildcard indicating that subdomains are valid
|
// Check if the certificate uses a wildcard indicating that subdomains are valid
|
||||||
if (peerIdentity.startsWith("*.")) {
|
if (peerIdentities.size() == 1 && peerIdentities.get(0).startsWith("*.")) {
|
||||||
// Remove the wildcard
|
// Remove the wildcard
|
||||||
peerIdentity = peerIdentity.substring(2);
|
String peerIdentity = peerIdentities.get(0).replace("*.", "");
|
||||||
// Check if the requested subdomain matches the certified domain
|
// Check if the requested subdomain matches the certified domain
|
||||||
if (!server.endsWith(peerIdentity)) {
|
if (!server.endsWith(peerIdentity)) {
|
||||||
throw new CertificateException("target verification failed of " + peerIdentity);
|
throw new CertificateException("target verification failed of " + peerIdentities);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
else if (!server.equals(peerIdentity)) {
|
else if (!peerIdentities.contains(server)) {
|
||||||
throw new CertificateException("target verification failed of " + peerIdentity);
|
throw new CertificateException("target verification failed of " + peerIdentities);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -170,15 +175,72 @@ class ServerTrustManager implements X509TrustManager {
|
||||||
* @param x509Certificate the certificate the holds the identity of the remote server.
|
* @param x509Certificate the certificate the holds the identity of the remote server.
|
||||||
* @return the identity of the remote server as defined in the specified certificate.
|
* @return the identity of the remote server as defined in the specified certificate.
|
||||||
*/
|
*/
|
||||||
public static String getPeerIdentity(X509Certificate x509Certificate) {
|
public static List<String> getPeerIdentity(X509Certificate x509Certificate) {
|
||||||
Principal principalSubject = x509Certificate.getSubjectDN();
|
// Look the identity in the subjectAltName extension if available
|
||||||
// TODO Look the identity in the subjectAltName extension if available
|
List<String> names = getSubjectAlternativeNames(x509Certificate);
|
||||||
String name = principalSubject.getName();
|
if (names.isEmpty()) {
|
||||||
if (name.startsWith("CN=")) {
|
String name = x509Certificate.getSubjectDN().getName();
|
||||||
// Remove the CN= prefix
|
Matcher matcher = cnPattern.matcher(name);
|
||||||
name = name.substring(3);
|
if (matcher.find()) {
|
||||||
|
name = matcher.group(2);
|
||||||
}
|
}
|
||||||
return name;
|
// Create an array with the unique identity
|
||||||
|
names = new ArrayList<String>();
|
||||||
|
names.add(name);
|
||||||
|
}
|
||||||
|
return names;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns the JID representation of an XMPP entity contained as a SubjectAltName extension
|
||||||
|
* in the certificate. If none was found then return <tt>null</tt>.
|
||||||
|
*
|
||||||
|
* @param certificate the certificate presented by the remote entity.
|
||||||
|
* @return the JID representation of an XMPP entity contained as a SubjectAltName extension
|
||||||
|
* in the certificate. If none was found then return <tt>null</tt>.
|
||||||
|
*/
|
||||||
|
private static List<String> getSubjectAlternativeNames(X509Certificate certificate) {
|
||||||
|
List<String> identities = new ArrayList<String>();
|
||||||
|
try {
|
||||||
|
Collection<List<?>> altNames = certificate.getSubjectAlternativeNames();
|
||||||
|
// Check that the certificate includes the SubjectAltName extension
|
||||||
|
if (altNames == null) {
|
||||||
|
return Collections.emptyList();
|
||||||
|
}
|
||||||
|
// Use the type OtherName to search for the certified server name
|
||||||
|
/*for (List item : altNames) {
|
||||||
|
Integer type = (Integer) item.get(0);
|
||||||
|
if (type == 0) {
|
||||||
|
// Type OtherName found so return the associated value
|
||||||
|
try {
|
||||||
|
// Value is encoded using ASN.1 so decode it to get the server's identity
|
||||||
|
ASN1InputStream decoder = new ASN1InputStream((byte[]) item.toArray()[1]);
|
||||||
|
DEREncodable encoded = decoder.readObject();
|
||||||
|
encoded = ((DERSequence) encoded).getObjectAt(1);
|
||||||
|
encoded = ((DERTaggedObject) encoded).getObject();
|
||||||
|
encoded = ((DERTaggedObject) encoded).getObject();
|
||||||
|
String identity = ((DERUTF8String) encoded).getString();
|
||||||
|
// Add the decoded server name to the list of identities
|
||||||
|
identities.add(identity);
|
||||||
|
}
|
||||||
|
catch (UnsupportedEncodingException e) {
|
||||||
|
// Ignore
|
||||||
|
}
|
||||||
|
catch (IOException e) {
|
||||||
|
// Ignore
|
||||||
|
}
|
||||||
|
catch (Exception e) {
|
||||||
|
e.printStackTrace();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
// Other types are not good for XMPP so ignore them
|
||||||
|
System.out.println("SubjectAltName of invalid type found: " + certificate);
|
||||||
|
}*/
|
||||||
|
}
|
||||||
|
catch (CertificateParsingException e) {
|
||||||
|
e.printStackTrace();
|
||||||
|
}
|
||||||
|
return identities;
|
||||||
}
|
}
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
Loading…
Reference in a new issue