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/*
* Copyright (c) 2000 - 2001, 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: copy_ccache.c,v 1.13 2005/11/28 23:05:44 lha Exp $");
OM_uint32
gss_krb5_copy_ccache(OM_uint32 *minor_status,
gss_cred_id_t cred,
krb5_ccache out)
{
krb5_error_code kret;
HEIMDAL_MUTEX_lock(&cred->cred_id_mutex);
if (cred->ccache == NULL) {
HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
*minor_status = EINVAL;
return GSS_S_FAILURE;
}
kret = krb5_cc_copy_cache(gssapi_krb5_context, cred->ccache, out);
HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
if (kret) {
*minor_status = kret;
gssapi_krb5_set_error_string ();
return GSS_S_FAILURE;
}
*minor_status = 0;
return GSS_S_COMPLETE;
}
OM_uint32
gss_krb5_import_cred(OM_uint32 *minor_status,
krb5_ccache id,
krb5_principal keytab_principal,
krb5_keytab keytab,
gss_cred_id_t *cred)
{
krb5_error_code kret;
gss_cred_id_t handle;
OM_uint32 ret;
*cred = NULL;
GSSAPI_KRB5_INIT ();
handle = (gss_cred_id_t)calloc(1, sizeof(*handle));
if (handle == GSS_C_NO_CREDENTIAL) {
gssapi_krb5_clear_status ();
*minor_status = ENOMEM;
return (GSS_S_FAILURE);
}
HEIMDAL_MUTEX_init(&handle->cred_id_mutex);
handle->usage = 0;
if (id) {
char *str;
handle->usage |= GSS_C_INITIATE;
kret = krb5_cc_get_principal(gssapi_krb5_context, id,
&handle->principal);
if (kret) {
free(handle);
gssapi_krb5_set_error_string ();
*minor_status = kret;
return GSS_S_FAILURE;
}
if (keytab_principal) {
krb5_boolean match;
match = krb5_principal_compare(gssapi_krb5_context,
handle->principal,
keytab_principal);
if (match == FALSE) {
krb5_free_principal(gssapi_krb5_context, handle->principal);
free(handle);
gssapi_krb5_clear_status ();
*minor_status = EINVAL;
return GSS_S_FAILURE;
}
}
ret = _gssapi_krb5_ccache_lifetime(minor_status,
id,
handle->principal,
&handle->lifetime);
if (ret != GSS_S_COMPLETE) {
krb5_free_principal(gssapi_krb5_context, handle->principal);
free(handle);
return ret;
}
kret = krb5_cc_get_full_name(gssapi_krb5_context, id, &str);
if (kret)
goto out;
kret = krb5_cc_resolve(gssapi_krb5_context, str, &handle->ccache);
free(str);
if (kret)
goto out;
}
if (keytab) {
char *str;
handle->usage |= GSS_C_ACCEPT;
if (keytab_principal && handle->principal == NULL) {
kret = krb5_copy_principal(gssapi_krb5_context,
keytab_principal,
&handle->principal);
if (kret)
goto out;
}
kret = krb5_kt_get_full_name(gssapi_krb5_context, keytab, &str);
if (kret)
goto out;
kret = krb5_kt_resolve(gssapi_krb5_context, str, &handle->keytab);
free(str);
if (kret)
goto out;
}
if (id || keytab) {
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) {
kret = *minor_status;
goto out;
}
}
*minor_status = 0;
*cred = handle;
return GSS_S_COMPLETE;
out:
gssapi_krb5_set_error_string ();
if (handle->principal)
krb5_free_principal(gssapi_krb5_context, handle->principal);
HEIMDAL_MUTEX_destroy(&handle->cred_id_mutex);
free(handle);
*minor_status = kret;
return GSS_S_FAILURE;
}
OM_uint32
gsskrb5_extract_authz_data_from_sec_context(OM_uint32 *minor_status,
gss_ctx_id_t context_handle,
int ad_type,
gss_buffer_t ad_data)
{
krb5_error_code ret;
krb5_data data;
ad_data->value = NULL;
ad_data->length = 0;
HEIMDAL_MUTEX_lock(&context_handle->ctx_id_mutex);
if (context_handle->ticket == NULL) {
HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex);
*minor_status = EINVAL;
return GSS_S_FAILURE;
}
ret = krb5_ticket_get_authorization_data_type(gssapi_krb5_context,
context_handle->ticket,
ad_type,
&data);
HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex);
if (ret) {
*minor_status = ret;
return GSS_S_FAILURE;
}
ad_data->value = malloc(data.length);
if (ad_data->value == NULL) {
krb5_data_free(&data);
*minor_status = ENOMEM;
return GSS_S_FAILURE;
}
ad_data->length = data.length;
memcpy(ad_data->value, data.data, ad_data->length);
krb5_data_free(&data);
*minor_status = 0;
return GSS_S_COMPLETE;
}
OM_uint32
gsskrb5_extract_authtime_from_sec_context(OM_uint32 *minor_status,
gss_ctx_id_t context_handle,
time_t *authtime)
{
HEIMDAL_MUTEX_lock(&context_handle->ctx_id_mutex);
if (context_handle->ticket == NULL) {
HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex);
*minor_status = EINVAL;
return GSS_S_FAILURE;
}
*authtime = context_handle->ticket->ticket.authtime;
HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex);
*minor_status = 0;
return GSS_S_COMPLETE;
}
OM_uint32 gss_krb5_copy_service_keyblock
(OM_uint32 *minor_status,
gss_ctx_id_t context_handle,
struct EncryptionKey **out)
{
krb5_error_code ret;
HEIMDAL_MUTEX_lock(&context_handle->ctx_id_mutex);
if (context_handle->service_keyblock == NULL) {
HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex);
*minor_status = EINVAL;
return GSS_S_FAILURE;
}
ret = krb5_copy_keyblock(gssapi_krb5_context,
context_handle->service_keyblock,
out);
HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex);
if (ret) {
*minor_status = ret;
return GSS_S_FAILURE;
}
*minor_status = 0;
return GSS_S_COMPLETE;
}
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