freebsd-skq/crypto/heimdal/lib/gssapi/export_name.c
2003-10-09 19:36:20 +00:00

95 lines
3.1 KiB
C

/*
* Copyright (c) 1997, 1999, 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: export_name.c,v 1.5 2003/03/16 17:34:46 lha Exp $");
OM_uint32 gss_export_name
(OM_uint32 * minor_status,
const gss_name_t input_name,
gss_buffer_t exported_name
)
{
krb5_error_code kret;
char *buf, *name;
size_t len;
GSSAPI_KRB5_INIT ();
kret = krb5_unparse_name (gssapi_krb5_context,
input_name,
&name);
if (kret) {
*minor_status = kret;
gssapi_krb5_set_error_string ();
return GSS_S_FAILURE;
}
len = strlen (name);
exported_name->length = 10 + len + GSS_KRB5_MECHANISM->length;
exported_name->value = malloc(exported_name->length);
if (exported_name->value == NULL) {
free (name);
*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] = ((GSS_KRB5_MECHANISM->length + 2) >> 8) & 0xff;
buf[1] = (GSS_KRB5_MECHANISM->length + 2) & 0xff;
buf+= 2;
buf[0] = 0x06;
buf[1] = (GSS_KRB5_MECHANISM->length) & 0xFF;
buf+= 2;
memcpy(buf, GSS_KRB5_MECHANISM->elements, GSS_KRB5_MECHANISM->length);
buf += GSS_KRB5_MECHANISM->length;
buf[0] = (len >> 24) & 0xff;
buf[1] = (len >> 16) & 0xff;
buf[2] = (len >> 8) & 0xff;
buf[3] = (len) & 0xff;
buf += 4;
memcpy (buf, name, len);
free (name);
*minor_status = 0;
return GSS_S_COMPLETE;
}