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/*
* src/lib/krb5/asn.1/asn1_get.h
*
* Copyright 1994 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.
*/
#ifndef __ASN1_GET_H__
#define __ASN1_GET_H__
/* ASN.1 substructure decoding procedures */
#include "k5-int.h"
#include "krbasn1.h"
#include "asn1buf.h"
typedef struct {
asn1_class asn1class;
asn1_construction construction;
asn1_tagnum tagnum;
unsigned int length;
int indef;
} taginfo;
asn1_error_code asn1_get_tag_2 (asn1buf *buf, taginfo *tinfo);
#if 0
asn1_error_code asn1_get_tag_indef
(asn1buf *buf,
asn1_class *Class,
asn1_construction *construction,
asn1_tagnum *tagnum,
unsigned int *retlen, int *indef);
asn1_error_code asn1_get_tag
(asn1buf *buf,
asn1_class *Class,
asn1_construction *construction,
asn1_tagnum *tagnum,
unsigned int *retlen);
/* requires *buf is allocated
effects Decodes the tag in *buf. If class != NULL, returns
the class in *Class. Similarly, the construction,
tag number, and length are returned in *construction,
*tagnum, and *retlen, respectively.
If *buf is empty to begin with,
*tagnum is set to ASN1_TAGNUM_CEILING.
Returns ASN1_OVERRUN if *buf is exhausted during the parse. */
#endif
asn1_error_code asn1_get_sequence
(asn1buf *buf, unsigned int *retlen, int *indef);
/* requires *buf is allocated
effects Decodes a tag from *buf and returns ASN1_BAD_ID if it
doesn't have a sequence ID. If retlen != NULL, the
associated length is returned in *retlen. */
#endif
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