/**
* Callback method from _scanKeychain. If a trusted certificate is found, this method will be
* called.
*/
private void createTrustedCertEntry(
String alias, long keychainItemRef, long creationDate, byte[] derStream) {
TrustedCertEntry tce = new TrustedCertEntry();
try {
CertificateFactory cf = CertificateFactory.getInstance("X.509");
InputStream input = new ByteArrayInputStream(derStream);
X509Certificate cert = (X509Certificate) cf.generateCertificate(input);
input.close();
tce.cert = cert;
tce.certRef = keychainItemRef;
// Make a creation date.
if (creationDate != 0) tce.date = new Date(creationDate);
else tce.date = new Date();
int uniqueVal = 1;
String originalAlias = alias;
while (entries.containsKey(alias.toLowerCase())) {
alias = originalAlias + " " + uniqueVal;
uniqueVal++;
}
entries.put(alias.toLowerCase(), tce);
} catch (Exception e) {
// The certificate will be skipped.
System.err.println("KeychainStore Ignored Exception: " + e);
}
}
/**
* Assigns the given certificate to the given alias.
*
* <p>If the given alias already exists in this keystore and identifies a <i>trusted certificate
* entry</i>, the certificate associated with it is overridden by the given certificate.
*
* @param alias the alias name
* @param cert the certificate
* @exception KeyStoreException if the given alias already exists and does not identify a
* <i>trusted certificate entry</i>, or this operation fails for some other reason.
*/
public void engineSetCertificateEntry(String alias, Certificate cert) throws KeyStoreException {
permissionCheck();
synchronized (entries) {
Object entry = entries.get(alias.toLowerCase());
if ((entry != null) && (entry instanceof KeyEntry)) {
throw new KeyStoreException("Cannot overwrite key entry with certificate");
}
// This will be slow, but necessary. Enumerate the values and then see if the cert matches
// the one in the trusted cert entry.
// Security framework doesn't support the same certificate twice in a keychain.
Collection<Object> allValues = entries.values();
for (Object value : allValues) {
if (value instanceof TrustedCertEntry) {
TrustedCertEntry tce = (TrustedCertEntry) value;
if (tce.cert.equals(cert)) {
throw new KeyStoreException(
"Keychain does not support mulitple copies of same certificate.");
}
}
}
TrustedCertEntry trustedCertEntry = new TrustedCertEntry();
trustedCertEntry.cert = cert;
trustedCertEntry.date = new Date();
String lowerAlias = alias.toLowerCase();
if (entries.get(lowerAlias) != null) {
deletedEntries.put(lowerAlias, entries.get(lowerAlias));
}
entries.put(lowerAlias, trustedCertEntry);
addedEntries.put(lowerAlias, trustedCertEntry);
}
}
/**
* Stores this keystore to the given output stream, and protects its integrity with the given
* password.
*
* @param stream Ignored. the output stream to which this keystore is written.
* @param password the password to generate the keystore integrity check
* @exception IOException if there was an I/O problem with data
* @exception NoSuchAlgorithmException if the appropriate data integrity algorithm could not be
* found
* @exception CertificateException if any of the certificates included in the keystore data could
* not be stored
*/
public void engineStore(OutputStream stream, char[] password)
throws IOException, NoSuchAlgorithmException, CertificateException {
permissionCheck();
// Delete items that do have a keychain item ref.
for (Enumeration<String> e = deletedEntries.keys(); e.hasMoreElements(); ) {
String alias = e.nextElement();
Object entry = deletedEntries.get(alias);
if (entry instanceof TrustedCertEntry) {
if (((TrustedCertEntry) entry).certRef != 0) {
_removeItemFromKeychain(((TrustedCertEntry) entry).certRef);
_releaseKeychainItemRef(((TrustedCertEntry) entry).certRef);
}
} else {
Certificate certElem;
KeyEntry keyEntry = (KeyEntry) entry;
if (keyEntry.chain != null) {
for (int i = 0; i < keyEntry.chain.length; i++) {
if (keyEntry.chainRefs[i] != 0) {
_removeItemFromKeychain(keyEntry.chainRefs[i]);
_releaseKeychainItemRef(keyEntry.chainRefs[i]);
}
}
if (keyEntry.keyRef != 0) {
_removeItemFromKeychain(keyEntry.keyRef);
_releaseKeychainItemRef(keyEntry.keyRef);
}
}
}
}
// Add all of the certs or keys in the added entries.
// No need to check for 0 refs, as they are in the added list.
for (Enumeration<String> e = addedEntries.keys(); e.hasMoreElements(); ) {
String alias = e.nextElement();
Object entry = addedEntries.get(alias);
if (entry instanceof TrustedCertEntry) {
TrustedCertEntry tce = (TrustedCertEntry) entry;
Certificate certElem;
certElem = tce.cert;
tce.certRef = addCertificateToKeychain(alias, certElem);
} else {
KeyEntry keyEntry = (KeyEntry) entry;
if (keyEntry.chain != null) {
for (int i = 0; i < keyEntry.chain.length; i++) {
keyEntry.chainRefs[i] = addCertificateToKeychain(alias, keyEntry.chain[i]);
}
keyEntry.keyRef =
_addItemToKeychain(alias, false, keyEntry.protectedPrivKey, keyEntry.password);
}
}
}
// Clear the added and deletedEntries hashtables here, now that we're done with the updates.
// For the deleted entries, we freed up the native references above.
deletedEntries.clear();
addedEntries.clear();
}
