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127 lines
3.4 KiB
C
127 lines
3.4 KiB
C
/*
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* Copyright (c) 2004, PADL Software Pty Ltd.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of PADL Software nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/* $FreeBSD$ */
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#include <gssapi/gssapi.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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/* RCSID("$Id: gss_buffer_set.c 18885 2006-10-24 21:53:02Z lha $"); */
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OM_uint32
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gss_create_empty_buffer_set(OM_uint32 * minor_status,
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gss_buffer_set_t *buffer_set)
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{
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gss_buffer_set_t set;
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set = (gss_buffer_set_desc *) malloc(sizeof(*set));
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if (set == GSS_C_NO_BUFFER_SET) {
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*minor_status = ENOMEM;
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return (GSS_S_FAILURE);
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}
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set->count = 0;
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set->elements = NULL;
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*buffer_set = set;
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*minor_status = 0;
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return (GSS_S_COMPLETE);
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}
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OM_uint32
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gss_add_buffer_set_member(OM_uint32 * minor_status,
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const gss_buffer_t member_buffer, gss_buffer_set_t *buffer_set)
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{
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gss_buffer_set_t set;
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gss_buffer_t p;
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OM_uint32 ret;
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if (*buffer_set == GSS_C_NO_BUFFER_SET) {
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ret = gss_create_empty_buffer_set(minor_status,
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buffer_set);
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if (ret) {
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return (ret);
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}
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}
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set = *buffer_set;
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set->elements = realloc(set->elements,
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(set->count + 1) * sizeof(set->elements[0]));
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if (set->elements == NULL) {
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*minor_status = ENOMEM;
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return (GSS_S_FAILURE);
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}
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p = &set->elements[set->count];
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p->value = malloc(member_buffer->length);
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if (p->value == NULL) {
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*minor_status = ENOMEM;
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return (GSS_S_FAILURE);
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}
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memcpy(p->value, member_buffer->value, member_buffer->length);
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p->length = member_buffer->length;
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set->count++;
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*minor_status = 0;
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return (GSS_S_COMPLETE);
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}
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OM_uint32
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gss_release_buffer_set(OM_uint32 * minor_status, gss_buffer_set_t *buffer_set)
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{
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size_t i;
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OM_uint32 minor;
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*minor_status = 0;
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if (*buffer_set == GSS_C_NO_BUFFER_SET)
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return (GSS_S_COMPLETE);
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for (i = 0; i < (*buffer_set)->count; i++)
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gss_release_buffer(&minor, &((*buffer_set)->elements[i]));
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free((*buffer_set)->elements);
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(*buffer_set)->elements = NULL;
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(*buffer_set)->count = 0;
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free(*buffer_set);
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*buffer_set = GSS_C_NO_BUFFER_SET;
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return (GSS_S_COMPLETE);
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}
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