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/*
* lib/gssapi/krb5/export_name.c
*
* Copyright 1997 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. 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_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;
int length;
char *str, *cp;
if (GSS_ERROR(kg_get_context(minor_status, &context)))
return(GSS_S_FAILURE);
exported_name->length = 0;
exported_name->value = NULL;
if (! kg_validate_name(input_name)) {
if (minor_status)
*minor_status = (OM_uint32) G_VALIDATE_FAILED;
return(GSS_S_CALL_BAD_STRUCTURE|GSS_S_BAD_NAME);
}
if ((code = krb5_unparse_name(context, (krb5_principal) input_name,
&str))) {
*minor_status = code;
return(GSS_S_FAILURE);
}
length = strlen(str);
exported_name->length = 10 + length + gss_mech_krb5->length;
exported_name->value = malloc(exported_name->length);
if (!exported_name->value) {
free(str);
*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;
*cp++ = (gss_mech_krb5->length+2) >> 8;
*cp++ = (gss_mech_krb5->length+2) & 0xFF;
*cp++ = 0x06;
*cp++ = (gss_mech_krb5->length) & 0xFF;
memcpy(cp, gss_mech_krb5->elements, gss_mech_krb5->length);
cp += gss_mech_krb5->length;
*cp++ = length >> 24;
*cp++ = length >> 16;
*cp++ = length >> 8;
*cp++ = length & 0xFF;
memcpy(cp, str, length);
free(str);
return(GSS_S_COMPLETE);
}
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