/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* lib/gssapi/krb5/export_name.c */
/*
* Copyright 1997, 2007 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_krb5.h"
OM_uint32 KRB5_CALLCONV
krb5_gss_export_name(OM_uint32 *minor_status, const gss_name_t input_name,
gss_buffer_t exported_name)
{
krb5_context context;
krb5_error_code code;
size_t length;
char *str;
unsigned char *cp;
if (minor_status)
*minor_status = 0;
code = krb5_gss_init_context(&context);
if (code) {
if (minor_status)
*minor_status = code;
return GSS_S_FAILURE;
}
exported_name->length = 0;
exported_name->value = NULL;
if ((code = krb5_unparse_name(context, ((krb5_gss_name_t) input_name)->princ,
&str))) {
if (minor_status)
*minor_status = code;
save_error_info((OM_uint32)code, context);
krb5_free_context(context);
return(GSS_S_FAILURE);
}
krb5_free_context(context);
length = strlen(str);
exported_name->length = 10 + length + gss_mech_krb5->length;
exported_name->value = gssalloc_malloc(exported_name->length);
if (!exported_name->value) {
free(str);
if (minor_status)
*minor_status = ENOMEM;
return(GSS_S_FAILURE);
}
cp = exported_name->value;
/* Note: we assume the OID will be less than 128 bytes... */
*cp++ = 0x04; *cp++ = 0x01;
store_16_be(gss_mech_krb5->length+2, cp);
cp += 2;
*cp++ = 0x06;
*cp++ = (gss_mech_krb5->length) & 0xFF;
memcpy(cp, gss_mech_krb5->elements, gss_mech_krb5->length);
cp += gss_mech_krb5->length;
store_32_be(length, cp);
cp += 4;
memcpy(cp, str, length);
free(str);
return(GSS_S_COMPLETE);
}