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/*-
* Copyright (c) 2005 Doug Rabson
* All rights reserved.
*
* Portions Copyright (c) 2010 Apple Inc. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD: src/lib/libgssapi/gss_export_name.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
*/
#include "mech_locl.h"
/**
* Convert a GGS-API name from internal form to contiguous string.
*
* @sa gss_import_name(), @ref internalVSmechname.
*
* @param minor_status minor status code
* @param input_name input name in internal name form
* @param exported_name output name in contiguos string form
*
* @returns a gss_error code, see gss_display_status() about printing
* the error code.
*
* @ingroup gssapi
*/
GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
gss_export_name(OM_uint32 *minor_status,
gss_const_name_t input_name,
gss_buffer_t exported_name)
{
struct _gss_name *name = (struct _gss_name *) input_name;
struct _gss_mechanism_name *mn;
_mg_buffer_zero(exported_name);
/*
* If this name already has any attached MNs, export the first
* one, otherwise export based on the first mechanism in our
* list.
*/
mn = HEIM_TAILQ_FIRST(&name->gn_mn);
if (!mn) {
*minor_status = 0;
return (GSS_S_NAME_NOT_MN);
}
return mn->gmn_mech->gm_export_name(minor_status,
mn->gmn_name, exported_name);
}
OM_uint32
gss_mg_export_name(OM_uint32 *minor_status,
const gss_const_OID mech,
const void *name,
size_t length,
gss_buffer_t exported_name)
{
uint8_t *buf;
exported_name->length = 10 + length + mech->length;
exported_name->value = malloc(exported_name->length);
if (exported_name->value == NULL) {
*minor_status = ENOMEM;
return GSS_S_FAILURE;
}
/* TOK, MECH_OID_LEN, DER(MECH_OID), NAME_LEN, NAME */
buf = exported_name->value;
memcpy(buf, "\x04\x01", 2);
buf += 2;
buf[0] = ((mech->length + 2) >> 8) & 0xff;
buf[1] = (mech->length + 2) & 0xff;
buf+= 2;
buf[0] = 0x06;
buf[1] = (mech->length) & 0xFF;
buf+= 2;
memcpy(buf, mech->elements, mech->length);
buf += mech->length;
buf[0] = (length >> 24) & 0xff;
buf[1] = (length >> 16) & 0xff;
buf[2] = (length >> 8) & 0xff;
buf[3] = (length) & 0xff;
buf += 4;
memcpy (buf, name, length);
*minor_status = 0;
return GSS_S_COMPLETE;
}
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