17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * src/lib/krb5/asn.1/asn1_get.h 3*1da57d55SToomas Soome * 47c478bd9Sstevel@tonic-gate * Copyright 1994 by the Massachusetts Institute of Technology. 57c478bd9Sstevel@tonic-gate * All Rights Reserved. 67c478bd9Sstevel@tonic-gate * 77c478bd9Sstevel@tonic-gate * Export of this software from the United States of America may 87c478bd9Sstevel@tonic-gate * require a specific license from the United States Government. 97c478bd9Sstevel@tonic-gate * It is the responsibility of any person or organization contemplating 107c478bd9Sstevel@tonic-gate * export to obtain such a license before exporting. 11*1da57d55SToomas Soome * 127c478bd9Sstevel@tonic-gate * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and 137c478bd9Sstevel@tonic-gate * distribute this software and its documentation for any purpose and 147c478bd9Sstevel@tonic-gate * without fee is hereby granted, provided that the above copyright 157c478bd9Sstevel@tonic-gate * notice appear in all copies and that both that copyright notice and 167c478bd9Sstevel@tonic-gate * this permission notice appear in supporting documentation, and that 177c478bd9Sstevel@tonic-gate * the name of M.I.T. not be used in advertising or publicity pertaining 187c478bd9Sstevel@tonic-gate * to distribution of the software without specific, written prior 197c478bd9Sstevel@tonic-gate * permission. Furthermore if you modify this software you must label 207c478bd9Sstevel@tonic-gate * your software as modified software and not distribute it in such a 217c478bd9Sstevel@tonic-gate * fashion that it might be confused with the original M.I.T. software. 227c478bd9Sstevel@tonic-gate * M.I.T. makes no representations about the suitability of 237c478bd9Sstevel@tonic-gate * this software for any purpose. It is provided "as is" without express 247c478bd9Sstevel@tonic-gate * or implied warranty. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate #ifndef __ASN1_GET_H__ 287c478bd9Sstevel@tonic-gate #define __ASN1_GET_H__ 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate /* ASN.1 substructure decoding procedures */ 317c478bd9Sstevel@tonic-gate 327c478bd9Sstevel@tonic-gate #include "k5-int.h" 337c478bd9Sstevel@tonic-gate #include "krbasn1.h" 347c478bd9Sstevel@tonic-gate #include "asn1buf.h" 357c478bd9Sstevel@tonic-gate 367c478bd9Sstevel@tonic-gate typedef struct { 377c478bd9Sstevel@tonic-gate asn1_class asn1class; 387c478bd9Sstevel@tonic-gate asn1_construction construction; 397c478bd9Sstevel@tonic-gate asn1_tagnum tagnum; 407c478bd9Sstevel@tonic-gate unsigned int length; 417c478bd9Sstevel@tonic-gate int indef; 427c478bd9Sstevel@tonic-gate } taginfo; 437c478bd9Sstevel@tonic-gate 447c478bd9Sstevel@tonic-gate asn1_error_code asn1_get_tag_2 (asn1buf *buf, taginfo *tinfo); 457c478bd9Sstevel@tonic-gate 467c478bd9Sstevel@tonic-gate #if 0 477c478bd9Sstevel@tonic-gate asn1_error_code asn1_get_tag_indef 487c478bd9Sstevel@tonic-gate (asn1buf *buf, 497c478bd9Sstevel@tonic-gate asn1_class *Class, 507c478bd9Sstevel@tonic-gate asn1_construction *construction, 517c478bd9Sstevel@tonic-gate asn1_tagnum *tagnum, 527c478bd9Sstevel@tonic-gate unsigned int *retlen, int *indef); 537c478bd9Sstevel@tonic-gate 547c478bd9Sstevel@tonic-gate asn1_error_code asn1_get_tag 557c478bd9Sstevel@tonic-gate (asn1buf *buf, 567c478bd9Sstevel@tonic-gate asn1_class *Class, 577c478bd9Sstevel@tonic-gate asn1_construction *construction, 587c478bd9Sstevel@tonic-gate asn1_tagnum *tagnum, 597c478bd9Sstevel@tonic-gate unsigned int *retlen); 607c478bd9Sstevel@tonic-gate /* requires *buf is allocated 617c478bd9Sstevel@tonic-gate effects Decodes the tag in *buf. If class != NULL, returns 627c478bd9Sstevel@tonic-gate the class in *Class. Similarly, the construction, 637c478bd9Sstevel@tonic-gate tag number, and length are returned in *construction, 647c478bd9Sstevel@tonic-gate *tagnum, and *retlen, respectively. 657c478bd9Sstevel@tonic-gate If *buf is empty to begin with, 667c478bd9Sstevel@tonic-gate *tagnum is set to ASN1_TAGNUM_CEILING. 677c478bd9Sstevel@tonic-gate Returns ASN1_OVERRUN if *buf is exhausted during the parse. */ 687c478bd9Sstevel@tonic-gate #endif 697c478bd9Sstevel@tonic-gate 707c478bd9Sstevel@tonic-gate asn1_error_code asn1_get_sequence 717c478bd9Sstevel@tonic-gate (asn1buf *buf, unsigned int *retlen, int *indef); 727c478bd9Sstevel@tonic-gate /* requires *buf is allocated 737c478bd9Sstevel@tonic-gate effects Decodes a tag from *buf and returns ASN1_BAD_ID if it 747c478bd9Sstevel@tonic-gate doesn't have a sequence ID. If retlen != NULL, the 757c478bd9Sstevel@tonic-gate associated length is returned in *retlen. */ 767c478bd9Sstevel@tonic-gate 777c478bd9Sstevel@tonic-gate #endif 78