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/*
* Copyright (c) 2004, PADL Software Pty Ltd.
* 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 PADL Software 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 PADL SOFTWARE 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 PADL SOFTWARE 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 "mech_locl.h"
RCSID("$Id: gss_buffer_set.c 18885 2006-10-24 21:53:02Z lha $");
OM_uint32
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 *) 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
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 = gss_create_empty_buffer_set(minor_status,
buffer_set);
if (ret) {
return ret;
}
}
set = *buffer_set;
set->elements = realloc(set->elements,
(set->count + 1) * sizeof(set->elements[0]));
if (set->elements == NULL) {
*minor_status = ENOMEM;
return GSS_S_FAILURE;
}
p = &set->elements[set->count];
p->value = 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
gss_release_buffer_set(OM_uint32 * minor_status,
gss_buffer_set_t *buffer_set)
{
int 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++)
gss_release_buffer(&minor, &((*buffer_set)->elements[i]));
free((*buffer_set)->elements);
(*buffer_set)->elements = NULL;
(*buffer_set)->count = 0;
free(*buffer_set);
*buffer_set = GSS_C_NO_BUFFER_SET;
return GSS_S_COMPLETE;
}
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