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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
* Copyright 2008 by the Massachusetts Institute of Technology.
* All Rights Reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*
*/
#include "gssapiP_generic.h"
#include <stdio.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#include <string.h>
#include <errno.h>
OM_uint32
generic_gss_create_empty_buffer_set(OM_uint32 * minor_status,
gss_buffer_set_t *buffer_set)
{
gss_buffer_set_t set;
set = (gss_buffer_set_desc *) gssalloc_malloc(sizeof(*set));
if (set == GSS_C_NO_BUFFER_SET) {
*minor_status = ENOMEM;
return GSS_S_FAILURE;
}
set->count = 0;
set->elements = NULL;
*buffer_set = set;
*minor_status = 0;
return GSS_S_COMPLETE;
}
OM_uint32
generic_gss_add_buffer_set_member(OM_uint32 * minor_status,
const gss_buffer_t member_buffer,
gss_buffer_set_t *buffer_set)
{
gss_buffer_set_t set;
gss_buffer_t p;
OM_uint32 ret;
if (*buffer_set == GSS_C_NO_BUFFER_SET) {
ret = generic_gss_create_empty_buffer_set(minor_status,
buffer_set);
if (ret) {
return ret;
}
}
set = *buffer_set;
set->elements = (gss_buffer_desc *)gssalloc_realloc(set->elements,
(set->count + 1) *
sizeof(gss_buffer_desc));
if (set->elements == NULL) {
*minor_status = ENOMEM;
return GSS_S_FAILURE;
}
p = &set->elements[set->count];
p->value = gssalloc_malloc(member_buffer->length);
if (p->value == NULL) {
*minor_status = ENOMEM;
return GSS_S_FAILURE;
}
memcpy(p->value, member_buffer->value, member_buffer->length);
p->length = member_buffer->length;
set->count++;
*minor_status = 0;
return GSS_S_COMPLETE;
}
OM_uint32
generic_gss_release_buffer_set(OM_uint32 * minor_status,
gss_buffer_set_t *buffer_set)
{
size_t i;
OM_uint32 minor;
*minor_status = 0;
if (*buffer_set == GSS_C_NO_BUFFER_SET) {
return GSS_S_COMPLETE;
}
for (i = 0; i < (*buffer_set)->count; i++) {
generic_gss_release_buffer(&minor, &((*buffer_set)->elements[i]));
}
if ((*buffer_set)->elements != NULL) {
gssalloc_free((*buffer_set)->elements);
(*buffer_set)->elements = NULL;
}
(*buffer_set)->count = 0;
gssalloc_free(*buffer_set);
*buffer_set = GSS_C_NO_BUFFER_SET;
return GSS_S_COMPLETE;
}
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