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-rw-r--r--camel/camel-sasl-kerberos4.c224
1 files changed, 0 insertions, 224 deletions
diff --git a/camel/camel-sasl-kerberos4.c b/camel/camel-sasl-kerberos4.c
deleted file mode 100644
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--- a/camel/camel-sasl-kerberos4.c
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-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * Authors: Jeffrey Stedfast <fejj@ximian.com>
- *
- * Copyright 2001 Ximian, Inc. (www.ximian.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this program; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- *
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#ifdef HAVE_KRB4
-
-#include <krb.h>
-/* MIT krb4 des.h #defines _. Sigh. We don't need it. #undef it here
- * so we get the gettexty _ definition later.
- */
-#undef _
-
-#include <string.h>
-#include "camel-string-utils.h"
-#include "camel-sasl-kerberos4.h"
-#include "camel-service.h"
-
-CamelServiceAuthType camel_sasl_kerberos4_authtype = {
- N_("Kerberos 4"),
-
- N_("This option will connect to the server using "
- "Kerberos 4 authentication."),
-
- "KERBEROS_V4",
- FALSE
-};
-
-#define KERBEROS_V4_PROTECTION_NONE 1
-#define KERBEROS_V4_PROTECTION_INTEGRITY 2
-#define KERBEROS_V4_PROTECTION_PRIVACY 4
-
-static CamelSaslClass *parent_class = NULL;
-
-/* Returns the class for a CamelSaslKerberos4 */
-#define CSK4_CLASS(so) CAMEL_SASL_KERBEROS4_CLASS (CAMEL_OBJECT_GET_CLASS (so))
-
-static GByteArray *krb4_challenge (CamelSasl *sasl, GByteArray *token, CamelException *ex);
-
-struct _CamelSaslKerberos4Private {
- int state;
-
- guint32 nonce_n;
- guint32 nonce_h;
-
- des_cblock session;
- des_key_schedule schedule;
-};
-
-static void
-camel_sasl_kerberos4_class_init (CamelSaslKerberos4Class *camel_sasl_kerberos4_class)
-{
- CamelSaslClass *camel_sasl_class = CAMEL_SASL_CLASS (camel_sasl_kerberos4_class);
-
- parent_class = CAMEL_SASL_CLASS (camel_type_get_global_classfuncs (camel_sasl_get_type ()));
-
- /* virtual method overload */
- camel_sasl_class->challenge = krb4_challenge;
-}
-
-static void
-camel_sasl_kerberos4_init (gpointer object, gpointer klass)
-{
- CamelSaslKerberos4 *sasl_krb4 = CAMEL_SASL_KERBEROS4 (object);
-
- sasl_krb4->priv = g_new0 (struct _CamelSaslKerberos4Private, 1);
-}
-
-static void
-camel_sasl_kerberos4_finalize (CamelObject *object)
-{
- CamelSaslKerberos4 *sasl = CAMEL_SASL_KERBEROS4 (object);
-
- if (sasl->priv) {
- memset (sasl->priv, 0, sizeof (sasl->priv));
- g_free (sasl->priv);
- }
-}
-
-
-CamelType
-camel_sasl_kerberos4_get_type (void)
-{
- static CamelType type = CAMEL_INVALID_TYPE;
-
- if (type == CAMEL_INVALID_TYPE) {
- type = camel_type_register (camel_sasl_get_type (),
- "CamelSaslKerberos4",
- sizeof (CamelSaslKerberos4),
- sizeof (CamelSaslKerberos4Class),
- (CamelObjectClassInitFunc) camel_sasl_kerberos4_class_init,
- NULL,
- (CamelObjectInitFunc) camel_sasl_kerberos4_init,
- (CamelObjectFinalizeFunc) camel_sasl_kerberos4_finalize);
- }
-
- return type;
-}
-
-static GByteArray *
-krb4_challenge (CamelSasl *sasl, GByteArray *token, CamelException *ex)
-{
- struct _CamelSaslKerberos4Private *priv = CAMEL_SASL_KERBEROS4 (sasl)->priv;
- GByteArray *ret = NULL;
- char *inst, *realm, *username;
- struct hostent *h;
- int status, len;
- KTEXT_ST authenticator;
- CREDENTIALS credentials;
- guint32 plus1;
-
- /* Need to wait for the server */
- if (!token)
- return NULL;
-
- switch (priv->state) {
- case 0:
- if (token->len != 4)
- goto lose;
-
- memcpy (&priv->nonce_n, token->data, 4);
- priv->nonce_h = ntohl (priv->nonce_n);
-
- /* Our response is an authenticator including that number. */
- h = camel_service_gethost (sasl->service, ex);
- inst = g_strndup (h->h_name, strcspn (h->h_name, "."));
- camel_strdown (inst);
- realm = g_strdup (krb_realmofhost (h->h_name));
- camel_free_host(h);
- status = krb_mk_req (&authenticator, sasl->service_name, inst, realm, priv->nonce_h);
- if (status == KSUCCESS) {
- status = krb_get_cred (sasl->service_name, inst, realm, &credentials);
- memcpy (priv->session, credentials.session, sizeof (priv->session));
- memset (&credentials, 0, sizeof (credentials));
- }
- g_free (inst);
- g_free (realm);
-
- if (status != KSUCCESS) {
- camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_CANT_AUTHENTICATE,
- _("Could not get Kerberos ticket:\n%s"),
- krb_err_txt[status]);
- goto lose;
- }
- des_key_sched (&priv->session, priv->schedule);
-
- ret = g_byte_array_new ();
- g_byte_array_append (ret, (const guint8 *)authenticator.dat, authenticator.length);
- break;
-
- case 1:
- if (token->len != 8)
- goto lose;
-
- /* This one is encrypted. */
- des_ecb_encrypt ((des_cblock *)token->data, (des_cblock *)token->data, priv->schedule, 0);
-
- /* Check that the returned value is the original nonce plus one. */
- memcpy (&plus1, token->data, 4);
- if (ntohl (plus1) != priv->nonce_h + 1)
- goto lose;
-
- /* "the fifth octet contain[s] a bit-mask specifying the
- * protection mechanisms supported by the server"
- */
- if (!(token->data[4] & KERBEROS_V4_PROTECTION_NONE)) {
- g_warning ("Server does not support `no protection' :-(");
- goto lose;
- }
-
- username = sasl->service->url->user;
- len = strlen (username) + 9;
- len += 8 - len % 8;
- ret = g_byte_array_new ();
- g_byte_array_set_size (ret, len);
- memset (ret->data, 0, len);
- memcpy (ret->data, &priv->nonce_n, 4);
- ret->data[4] = KERBEROS_V4_PROTECTION_NONE;
- ret->data[5] = ret->data[6] = ret->data[7] = 0;
- strcpy (ret->data + 8, username);
-
- des_pcbc_encrypt ((void *)ret->data, (void *)ret->data, len,
- priv->schedule, &priv->session, 1);
- memset (&priv->session, 0, sizeof (priv->session));
-
- sasl->authenticated = TRUE;
- break;
- }
-
- priv->state++;
- return ret;
-
- lose:
- memset (&priv->session, 0, sizeof (priv->session));
-
- if (!camel_exception_is_set (ex)) {
- camel_exception_set (ex, CAMEL_EXCEPTION_SERVICE_CANT_AUTHENTICATE,
- _("Bad authentication response from server."));
- }
- return NULL;
-}
-
-#endif /* HAVE_KRB4 */