FreeRDP/libfreerdp-core/ber.h

56 lines
1.7 KiB
C
Raw Normal View History

/**
* FreeRDP: A Remote Desktop Protocol Client
* ASN.1 Basic Encoding Rules (BER)
*
* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __BER_H
#define __BER_H
2011-07-07 23:35:09 +04:00
#include <freerdp/types.h>
#include <freerdp/utils/stream.h>
/* BER type */
/* Class - bits 8 and 7 */
#define BER_CLASS_MASK 0xC0
#define BER_CLASS_UNIV 0x00 /* 0 0 */
#define BER_CLASS_APPL 0x40 /* 0 1 */
#define BER_CLASS_CTXT 0x80 /* 1 0 */
#define BER_CLASS_PRIV 0xC0 /* 1 1 */
/* P/C - bit 6 */
#define BER_PC_MASK 0x20
#define BER_PRIMITIVE 0x00 /* 0 */
#define BER_CONSTRUCT 0x20 /* 1 */
/* Tag - bits 5 to 1 */
#define BER_TAG_MASK 0x1F
#define BER_TAG_BOOLEAN 0x01
#define BER_TAG_INTEGER 0x02
#define BER_TAG_OCTET_STRING 0x04
#define BER_TAG_SEQUENCE_OF 0x10
2011-07-07 23:35:09 +04:00
void ber_write_length(STREAM* s, int length);
void ber_write_universal_tag(STREAM* s, uint8 tag);
2011-07-07 23:35:09 +04:00
void ber_write_application_tag(STREAM* s, uint8 tag, int length);
void ber_write_sequence_of_tag(STREAM* s, int length);
2011-07-07 23:35:09 +04:00
void ber_write_octet_string(STREAM* s, uint8* oct_str, int length);
void ber_write_boolean(STREAM* s, boolean value);
void ber_write_integer(STREAM* s, uint32 value);
#endif /* __BER_H */