diff options
Diffstat (limited to 'crypto/heimdal/lib/gssapi/acquire_cred.c')
| -rw-r--r-- | crypto/heimdal/lib/gssapi/acquire_cred.c | 309 |
1 files changed, 0 insertions, 309 deletions
diff --git a/crypto/heimdal/lib/gssapi/acquire_cred.c b/crypto/heimdal/lib/gssapi/acquire_cred.c deleted file mode 100644 index dfe2b4c..0000000 --- a/crypto/heimdal/lib/gssapi/acquire_cred.c +++ /dev/null @@ -1,309 +0,0 @@ -/* - * Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan - * (Royal Institute of Technology, Stockholm, Sweden). - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * 3. Neither the name of the Institute nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include "gssapi_locl.h" - -RCSID("$Id: acquire_cred.c,v 1.13.2.1 2003/08/15 14:18:24 lha Exp $"); - -static krb5_error_code -get_keytab(krb5_keytab *keytab) -{ - char kt_name[256]; - krb5_error_code kret; - - if (gssapi_krb5_keytab != NULL) { - kret = krb5_kt_get_name(gssapi_krb5_context, - gssapi_krb5_keytab, - kt_name, sizeof(kt_name)); - if (kret == 0) - kret = krb5_kt_resolve(gssapi_krb5_context, kt_name, keytab); - } else - kret = krb5_kt_default(gssapi_krb5_context, keytab); - return (kret); -} - -static OM_uint32 acquire_initiator_cred - (OM_uint32 * minor_status, - const gss_name_t desired_name, - OM_uint32 time_req, - const gss_OID_set desired_mechs, - gss_cred_usage_t cred_usage, - gss_cred_id_t handle, - gss_OID_set * actual_mechs, - OM_uint32 * time_rec - ) -{ - OM_uint32 ret; - krb5_creds cred; - krb5_principal def_princ; - krb5_get_init_creds_opt opt; - krb5_ccache ccache; - krb5_keytab keytab; - krb5_error_code kret; - - keytab = NULL; - ccache = NULL; - def_princ = NULL; - ret = GSS_S_FAILURE; - memset(&cred, 0, sizeof(cred)); - - kret = krb5_cc_default(gssapi_krb5_context, &ccache); - if (kret) - goto end; - kret = krb5_cc_get_principal(gssapi_krb5_context, ccache, - &def_princ); - if (kret != 0) { - /* we'll try to use a keytab below */ - krb5_cc_destroy(gssapi_krb5_context, ccache); - ccache = NULL; - kret = 0; - } else if (handle->principal == NULL) { - kret = krb5_copy_principal(gssapi_krb5_context, def_princ, - &handle->principal); - if (kret) - goto end; - } else if (handle->principal != NULL && - krb5_principal_compare(gssapi_krb5_context, handle->principal, - def_princ) == FALSE) { - /* Before failing, lets check the keytab */ - krb5_free_principal(gssapi_krb5_context, def_princ); - def_princ = NULL; - } - if (def_princ == NULL) { - /* We have no existing credentials cache, - * so attempt to get a TGT using a keytab. - */ - if (handle->principal == NULL) { - kret = krb5_get_default_principal(gssapi_krb5_context, - &handle->principal); - if (kret) - goto end; - } - kret = get_keytab(&keytab); - if (kret) - goto end; - krb5_get_init_creds_opt_init(&opt); - kret = krb5_get_init_creds_keytab(gssapi_krb5_context, &cred, - handle->principal, keytab, 0, NULL, &opt); - if (kret) - goto end; - kret = krb5_cc_gen_new(gssapi_krb5_context, &krb5_mcc_ops, - &ccache); - if (kret) - goto end; - kret = krb5_cc_initialize(gssapi_krb5_context, ccache, cred.client); - if (kret) - goto end; - kret = krb5_cc_store_cred(gssapi_krb5_context, ccache, &cred); - if (kret) - goto end; - handle->lifetime = cred.times.endtime; - } else { - krb5_creds in_cred, *out_cred; - krb5_const_realm realm; - - memset(&in_cred, 0, sizeof(in_cred)); - in_cred.client = handle->principal; - - realm = krb5_principal_get_realm(gssapi_krb5_context, - handle->principal); - if (realm == NULL) { - kret = KRB5_PRINC_NOMATCH; /* XXX */ - goto end; - } - - kret = krb5_make_principal(gssapi_krb5_context, &in_cred.server, - realm, KRB5_TGS_NAME, realm, NULL); - if (kret) - goto end; - - kret = krb5_get_credentials(gssapi_krb5_context, 0, - ccache, &in_cred, &out_cred); - krb5_free_principal(gssapi_krb5_context, in_cred.server); - if (kret) - goto end; - - handle->lifetime = out_cred->times.endtime; - krb5_free_creds(gssapi_krb5_context, out_cred); - } - - handle->ccache = ccache; - ret = GSS_S_COMPLETE; - -end: - if (cred.client != NULL) - krb5_free_creds_contents(gssapi_krb5_context, &cred); - if (def_princ != NULL) - krb5_free_principal(gssapi_krb5_context, def_princ); - if (keytab != NULL) - krb5_kt_close(gssapi_krb5_context, keytab); - if (ret != GSS_S_COMPLETE) { - if (ccache != NULL) - krb5_cc_close(gssapi_krb5_context, ccache); - if (kret != 0) { - *minor_status = kret; - gssapi_krb5_set_error_string (); - } - } - return (ret); -} - -static OM_uint32 acquire_acceptor_cred - (OM_uint32 * minor_status, - const gss_name_t desired_name, - OM_uint32 time_req, - const gss_OID_set desired_mechs, - gss_cred_usage_t cred_usage, - gss_cred_id_t handle, - gss_OID_set * actual_mechs, - OM_uint32 * time_rec - ) -{ - OM_uint32 ret; - krb5_error_code kret; - - kret = 0; - ret = GSS_S_FAILURE; - kret = get_keytab(&handle->keytab); - if (kret) - goto end; - ret = GSS_S_COMPLETE; - -end: - if (ret != GSS_S_COMPLETE) { - if (handle->keytab != NULL) - krb5_kt_close(gssapi_krb5_context, handle->keytab); - if (kret != 0) { - *minor_status = kret; - gssapi_krb5_set_error_string (); - } - } - return (ret); -} - -OM_uint32 gss_acquire_cred - (OM_uint32 * minor_status, - const gss_name_t desired_name, - OM_uint32 time_req, - const gss_OID_set desired_mechs, - gss_cred_usage_t cred_usage, - gss_cred_id_t * output_cred_handle, - gss_OID_set * actual_mechs, - OM_uint32 * time_rec - ) -{ - gss_cred_id_t handle; - OM_uint32 ret; - - GSSAPI_KRB5_INIT (); - - *output_cred_handle = NULL; - if (time_rec) - *time_rec = 0; - if (actual_mechs) - *actual_mechs = GSS_C_NO_OID_SET; - - if (desired_mechs) { - OM_uint32 present = 0; - - ret = gss_test_oid_set_member(minor_status, GSS_KRB5_MECHANISM, - desired_mechs, &present); - if (ret) - return ret; - if (!present) { - *minor_status = 0; - return GSS_S_BAD_MECH; - } - } - - handle = (gss_cred_id_t)malloc(sizeof(*handle)); - if (handle == GSS_C_NO_CREDENTIAL) { - *minor_status = ENOMEM; - return (GSS_S_FAILURE); - } - - memset(handle, 0, sizeof (*handle)); - - if (desired_name != GSS_C_NO_NAME) { - ret = gss_duplicate_name(minor_status, desired_name, - &handle->principal); - if (ret != GSS_S_COMPLETE) { - free(handle); - return (ret); - } - } - if (cred_usage == GSS_C_INITIATE || cred_usage == GSS_C_BOTH) { - ret = acquire_initiator_cred(minor_status, desired_name, time_req, - desired_mechs, cred_usage, handle, actual_mechs, time_rec); - if (ret != GSS_S_COMPLETE) { - free(handle); - return (ret); - } - } else if (cred_usage == GSS_C_ACCEPT || cred_usage == GSS_C_BOTH) { - ret = acquire_acceptor_cred(minor_status, desired_name, time_req, - desired_mechs, cred_usage, handle, actual_mechs, time_rec); - if (ret != GSS_S_COMPLETE) { - free(handle); - return (ret); - } - } else { - free(handle); - *minor_status = GSS_KRB5_S_G_BAD_USAGE; - return GSS_S_FAILURE; - } - ret = gss_create_empty_oid_set(minor_status, &handle->mechanisms); - if (ret == GSS_S_COMPLETE) - ret = gss_add_oid_set_member(minor_status, GSS_KRB5_MECHANISM, - &handle->mechanisms); - if (ret == GSS_S_COMPLETE) - ret = gss_inquire_cred(minor_status, handle, NULL, time_rec, NULL, - actual_mechs); - if (ret != GSS_S_COMPLETE) { - if (handle->mechanisms != NULL) - gss_release_oid_set(NULL, &handle->mechanisms); - free(handle); - return (ret); - } - *minor_status = 0; - if (time_rec) { - ret = gssapi_lifetime_left(minor_status, - handle->lifetime, - time_rec); - - if (ret) - return ret; - } - handle->usage = cred_usage; - *output_cred_handle = handle; - return (GSS_S_COMPLETE); -} |
