This commit is contained in:
Clebert Suconic 2018-08-09 19:40:31 -04:00
commit bf073f19ac
2 changed files with 63 additions and 3 deletions

View File

@ -167,7 +167,7 @@ public class LDAPLoginModule implements LoginModule {
throw (LoginException) new LoginException().initCause(e);
}
String password;
String password = null;
username = ((NameCallback) callbacks[0]).getName();
if (username == null)
@ -175,8 +175,17 @@ public class LDAPLoginModule implements LoginModule {
if (((PasswordCallback) callbacks[1]).getPassword() != null)
password = new String(((PasswordCallback) callbacks[1]).getPassword());
else
password = "";
/**
* https://tools.ietf.org/html/rfc4513#section-6.3.1
*
* Clients that use the results from a simple Bind operation to make
* authorization decisions should actively detect unauthenticated Bind
* requests (by verifying that the supplied password is not empty) and
* react appropriately.
*/
if (password == null || (password != null && password.length() == 0))
throw new FailedLoginException("Password cannot be null or empty");
// authenticate will throw LoginException
// in case of failed authentication

View File

@ -27,6 +27,7 @@ import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.NameCallback;
import javax.security.auth.callback.PasswordCallback;
import javax.security.auth.callback.UnsupportedCallbackException;
import javax.security.auth.login.FailedLoginException;
import javax.security.auth.login.LoginContext;
import javax.security.auth.login.LoginException;
import javax.security.auth.spi.LoginModule;
@ -268,6 +269,56 @@ public class LDAPLoginModuleTest extends AbstractLdapTestUnit {
}
}
@Test
public void testEmptyPassword() throws Exception {
LoginContext context = new LoginContext("LDAPLogin", new CallbackHandler() {
@Override
public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
for (int i = 0; i < callbacks.length; i++) {
if (callbacks[i] instanceof NameCallback) {
((NameCallback) callbacks[i]).setName("first");
} else if (callbacks[i] instanceof PasswordCallback) {
((PasswordCallback) callbacks[i]).setPassword("".toCharArray());
} else {
throw new UnsupportedCallbackException(callbacks[i]);
}
}
}
});
try {
context.login();
fail("Should have thrown a FailedLoginException");
} catch (FailedLoginException fle) {
assertEquals("Password cannot be null or empty", fle.getMessage());
}
context.logout();
}
@Test
public void testNullPassword() throws Exception {
LoginContext context = new LoginContext("LDAPLogin", new CallbackHandler() {
@Override
public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
for (int i = 0; i < callbacks.length; i++) {
if (callbacks[i] instanceof NameCallback) {
((NameCallback) callbacks[i]).setName("first");
} else if (callbacks[i] instanceof PasswordCallback) {
((PasswordCallback) callbacks[i]).setPassword(null);
} else {
throw new UnsupportedCallbackException(callbacks[i]);
}
}
}
});
try {
context.login();
fail("Should have thrown a FailedLoginException");
} catch (FailedLoginException fle) {
assertEquals("Password cannot be null or empty", fle.getMessage());
}
context.logout();
}
private boolean presentInArray(LDAPLoginProperty[] ldapProps, String propertyName) {
for (LDAPLoginProperty conf : ldapProps) {
if (conf.getPropertyName().equals(propertyName) && (conf.getPropertyValue() != null && !"".equals(conf.getPropertyValue())))