Examples with GSSCredential org.ietf.jgss.GSSCredential used on opensource projects

Example 1 with GSSCredential

use of org.ietf.jgss.GSSCredential in project jetty.project by eclipse.

the class SpnegoLoginService method login.

/**
     * username will be null since the credentials will contain all the relevant info
     */
@Override
public UserIdentity login(String username, Object credentials, ServletRequest request) {
    String encodedAuthToken = (String) credentials;
    byte[] authToken = B64Code.decode(encodedAuthToken);
    GSSManager manager = GSSManager.getInstance();
    try {
        // http://java.sun.com/javase/6/docs/technotes/guides/security/jgss/jgss-features.html
        Oid krb5Oid = new Oid("1.3.6.1.5.5.2");
        GSSName gssName = manager.createName(_targetName, null);
        GSSCredential serverCreds = manager.createCredential(gssName, GSSCredential.INDEFINITE_LIFETIME, krb5Oid, GSSCredential.ACCEPT_ONLY);
        GSSContext gContext = manager.createContext(serverCreds);
        if (gContext == null) {
            LOG.debug("SpnegoUserRealm: failed to establish GSSContext");
        } else {
            while (!gContext.isEstablished()) {
                authToken = gContext.acceptSecContext(authToken, 0, authToken.length);
            }
            if (gContext.isEstablished()) {
                String clientName = gContext.getSrcName().toString();
                String role = clientName.substring(clientName.indexOf('@') + 1);
                LOG.debug("SpnegoUserRealm: established a security context");
                LOG.debug("Client Principal is: " + gContext.getSrcName());
                LOG.debug("Server Principal is: " + gContext.getTargName());
                LOG.debug("Client Default Role: " + role);
                SpnegoUserPrincipal user = new SpnegoUserPrincipal(clientName, authToken);
                Subject subject = new Subject();
                subject.getPrincipals().add(user);
                return _identityService.newUserIdentity(subject, user, new String[] { role });
            }
        }
    } catch (GSSException gsse) {
        LOG.warn(gsse);
    }
    return null;
}

Example 2 with GSSCredential

use of org.ietf.jgss.GSSCredential in project tomcat by apache.

the class RealmBase method authenticate.

/**
     * {@inheritDoc}
     */
@Override
public Principal authenticate(GSSContext gssContext, boolean storeCreds) {
    if (gssContext.isEstablished()) {
        GSSName gssName = null;
        try {
            gssName = gssContext.getSrcName();
        } catch (GSSException e) {
            log.warn(sm.getString("realmBase.gssNameFail"), e);
        }
        if (gssName != null) {
            String name = gssName.toString();
            if (isStripRealmForGss()) {
                int i = name.indexOf('@');
                if (i > 0) {
                    // Zero so we don;t leave a zero length name
                    name = name.substring(0, i);
                }
            }
            GSSCredential gssCredential = null;
            if (storeCreds && gssContext.getCredDelegState()) {
                try {
                    gssCredential = gssContext.getDelegCred();
                } catch (GSSException e) {
                    if (log.isDebugEnabled()) {
                        log.debug(sm.getString("realmBase.delegatedCredentialFail", name), e);
                    }
                }
            }
            return getPrincipal(name, gssCredential);
        }
    } else {
        log.error(sm.getString("realmBase.gssContextNotEstablished"));
    }
    // Fail in all other cases
    return null;
}

Example 3 with GSSCredential

use of org.ietf.jgss.GSSCredential in project OpenAM by OpenRock.

the class WindowsDesktopSSO method authenticateToken.

private void authenticateToken(final byte[] kerberosToken, final Set<String> trustedRealms) throws AuthLoginException, GSSException, Exception {
    debug.message("In authenticationToken ...");
    Subject.doAs(serviceSubject, new PrivilegedExceptionAction() {

        public Object run() throws Exception {
            GSSContext context = GSSManager.getInstance().createContext((GSSCredential) null);
            if (debug.messageEnabled()) {
                debug.message("Context created.");
            }
            byte[] outToken = context.acceptSecContext(kerberosToken, 0, kerberosToken.length);
            if (outToken != null) {
                if (debug.messageEnabled()) {
                    debug.message("Token returned from acceptSecContext: \n" + DerValue.printByteArray(outToken, 0, outToken.length));
                }
            }
            if (!context.isEstablished()) {
                debug.error("Cannot establish context !");
                throw new AuthLoginException(amAuthWindowsDesktopSSO, "context", null);
            } else {
                if (debug.messageEnabled()) {
                    debug.message("Context established !");
                }
                GSSName user = context.getSrcName();
                final String userPrincipalName = user.toString();
                // expected default behaviour.
                if (!trustedRealms.isEmpty()) {
                    boolean foundTrustedRealm = false;
                    for (final String trustedRealm : trustedRealms) {
                        if (isTokenTrusted(userPrincipalName, trustedRealm)) {
                            foundTrustedRealm = true;
                            break;
                        }
                    }
                    if (!foundTrustedRealm) {
                        debug.error("Kerberos token for " + userPrincipalName + " not trusted");
                        final String[] data = { userPrincipalName };
                        throw new AuthLoginException(amAuthWindowsDesktopSSO, "untrustedToken", data);
                    }
                }
                // perform the search.
                if (lookupUserInRealm) {
                    String org = getRequestOrg();
                    String userValue = getUserName(userPrincipalName);
                    String userName = searchUserAccount(userValue, org);
                    if (userName != null && !userName.isEmpty()) {
                        storeUsernamePasswd(userValue, null);
                    } else {
                        String[] data = { userValue, org };
                        debug.error("WindowsDesktopSSO.authenticateToken: " + ": Unable to find the user " + userValue);
                        throw new AuthLoginException(amAuthWindowsDesktopSSO, "notfound", data);
                    }
                }
                if (debug.messageEnabled()) {
                    debug.message("WindowsDesktopSSO.authenticateToken:" + "User authenticated: " + user.toString());
                }
                if (user != null) {
                    setPrincipal(userPrincipalName);
                }
            }
            context.dispose();
            return null;
        }
    });
}

Example 4 with GSSCredential

use of org.ietf.jgss.GSSCredential in project jdk8u_jdk by JetBrains.

the class ServiceCredsCombination method check.

/**
     * Checks the correct bound
     * @param a get a creds for this principal, null for default one
     * @param b expected name, null for still unbound, "NOCRED" for no creds
     * @param objs princs, keys and keytabs in the subject
     */
private static void check(final String a, String b, Object... objs) throws Exception {
    Subject subj = new Subject();
    for (Object obj : objs) {
        if (obj instanceof KerberosPrincipal) {
            subj.getPrincipals().add((KerberosPrincipal) obj);
        } else if (obj instanceof KerberosKey || obj instanceof KeyTab) {
            subj.getPrivateCredentials().add(obj);
        }
    }
    final GSSManager man = GSSManager.getInstance();
    try {
        String result = Subject.doAs(subj, new PrivilegedExceptionAction<String>() {

            @Override
            public String run() throws GSSException {
                GSSCredential cred = man.createCredential(a == null ? null : man.createName(r(a), null), GSSCredential.INDEFINITE_LIFETIME, GSSUtil.GSS_KRB5_MECH_OID, GSSCredential.ACCEPT_ONLY);
                GSSName name = cred.getName();
                return name == null ? null : name.toString();
            }
        });
        if (!Objects.equals(result, r(b))) {
            throw new Exception("Check failed: getInstance(" + a + ") has name " + result + ", not " + b);
        }
    } catch (PrivilegedActionException e) {
        if (!"NOCRED".equals(b)) {
            throw new Exception("Check failed: getInstance(" + a + ") is null " + ", but not one with name " + b);
        }
    }
}

Example 5 with GSSCredential

use of org.ietf.jgss.GSSCredential in project jdk8u_jdk by JetBrains.

the class MechTokenMissing method main.

public static void main(String[] args) throws Exception {
    GSSCredential cred = null;
    GSSContext ctx = GSSManager.getInstance().createContext(cred);
    String var = /*0000*/
    "60 1C 06 06 2B 06 01 05 05 02 A0 12 30 10 A0 0E " + /*0010*/
    "30 0C 06 0A 2B 06 01 04 01 82 37 02 02 0A ";
    byte[] token = new byte[var.length() / 3];
    for (int i = 0; i < token.length; i++) {
        token[i] = Integer.valueOf(var.substring(3 * i, 3 * i + 2), 16).byteValue();
    }
    try {
        ctx.acceptSecContext(token, 0, token.length);
    } catch (GSSException gsse) {
        System.out.println("Expected exception: " + gsse);
    }
}