ber.h File Reference

#include <freerdp/api.h>
#include <freerdp/types.h>
#include <winpr/stream.h>

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Macros
#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 */
#define	BER_PC_MASK   0x20
#define	BER_PRIMITIVE   0x00 /* 0 */
#define	BER_CONSTRUCT   0x20 /* 1 */
#define	BER_TAG_MASK   0x1F
#define	BER_TAG_BOOLEAN   0x01
#define	BER_TAG_INTEGER   0x02
#define	BER_TAG_BIT_STRING   0x03
#define	BER_TAG_OCTET_STRING   0x04
#define	BER_TAG_OBJECT_IDENFIER   0x06
#define	BER_TAG_ENUMERATED   0x0A
#define	BER_TAG_SEQUENCE   0x10
#define	BER_TAG_SEQUENCE_OF   0x10
#define	BER_PC(_pc)   (_pc ? BER_CONSTRUCT : BER_PRIMITIVE)

Functions
FREERDP_API BOOL	ber_read_length (wStream *s, size_t *length)
FREERDP_API size_t	ber_write_length (wStream *s, size_t length)
FREERDP_API size_t	_ber_sizeof_length (size_t length)
FREERDP_API BOOL	ber_read_universal_tag (wStream *s, BYTE tag, BOOL pc)
FREERDP_API size_t	ber_write_universal_tag (wStream *s, BYTE tag, BOOL pc)
FREERDP_API BOOL	ber_read_application_tag (wStream *s, BYTE tag, size_t *length)
FREERDP_API void	ber_write_application_tag (wStream *s, BYTE tag, size_t length)
FREERDP_API BOOL	ber_read_enumerated (wStream *s, BYTE *enumerated, BYTE count)
FREERDP_API void	ber_write_enumerated (wStream *s, BYTE enumerated, BYTE count)
FREERDP_API BOOL	ber_read_contextual_tag (wStream *s, BYTE tag, size_t *length, BOOL pc)
FREERDP_API size_t	ber_write_contextual_tag (wStream *s, BYTE tag, size_t length, BOOL pc)
FREERDP_API size_t	ber_sizeof_contextual_tag (size_t length)
FREERDP_API BOOL	ber_read_sequence_tag (wStream *s, size_t *length)
FREERDP_API size_t	ber_write_sequence_tag (wStream *s, size_t length)
FREERDP_API size_t	ber_sizeof_sequence (size_t length)
FREERDP_API size_t	ber_sizeof_sequence_tag (size_t length)
FREERDP_API BOOL	ber_read_bit_string (wStream *s, size_t *length, BYTE *padding)
FREERDP_API BOOL	ber_read_octet_string_tag (wStream *s, size_t *length)
FREERDP_API BOOL	ber_read_octet_string (wStream *s, BYTE **content, size_t *length)
FREERDP_API size_t	ber_write_octet_string_tag (wStream *s, size_t length)
FREERDP_API size_t	ber_sizeof_octet_string (size_t length)
FREERDP_API size_t	ber_sizeof_contextual_octet_string (size_t length)
FREERDP_API size_t	ber_write_char_to_unicode_octet_string (wStream *s, const char *str)
FREERDP_API size_t	ber_write_contextual_char_to_unicode_octet_string (wStream *s, BYTE tag, const char *oct_str)
FREERDP_API size_t	ber_write_octet_string (wStream *s, const BYTE *oct_str, size_t length)
FREERDP_API BOOL	ber_read_char_from_unicode_octet_string (wStream *s, char **str)
FREERDP_API BOOL	ber_read_unicode_octet_string (wStream *s, LPWSTR *str)
FREERDP_API size_t	ber_write_contextual_octet_string (wStream *s, BYTE tag, const BYTE *oct_str, size_t length)
FREERDP_API size_t	ber_write_contextual_unicode_octet_string (wStream *s, BYTE tag, LPWSTR str)
FREERDP_API BOOL	ber_read_BOOL (wStream *s, BOOL *value)
	Read a BER BOOLEAN. More...
FREERDP_API void	ber_write_BOOL (wStream *s, BOOL value)
FREERDP_API BOOL	ber_read_integer (wStream *s, UINT32 *value)
FREERDP_API size_t	ber_write_integer (wStream *s, UINT32 value)
FREERDP_API size_t	ber_write_contextual_integer (wStream *s, BYTE tag, UINT32 value)
FREERDP_API BOOL	ber_read_integer_length (wStream *s, size_t *length)
FREERDP_API size_t	ber_sizeof_integer (UINT32 value)
FREERDP_API size_t	ber_sizeof_contextual_integer (UINT32 value)

Macro Definition Documentation

BER_CLASS_APPL

#define BER_CLASS_APPL   0x40 /* 0 1 */

BER_CLASS_CTXT

#define BER_CLASS_CTXT   0x80 /* 1 0 */

BER_CLASS_MASK

#define BER_CLASS_MASK   0xC0

FreeRDP: A Remote Desktop Protocol Implementation ASN.1 Basic Encoding Rules (BER)

Copyright 2011-2012 Marc-Andre Moreau marca.nosp@m.ndre.nosp@m..more.nosp@m.au@g.nosp@m.mail..nosp@m.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.

BER_CLASS_PRIV

#define BER_CLASS_PRIV   0xC0 /* 1 1 */

BER_CLASS_UNIV

#define BER_CLASS_UNIV   0x00 /* 0 0 */

BER_CONSTRUCT

#define BER_CONSTRUCT   0x20 /* 1 */

BER_PC

#define BER_PC

(

_pc

)

(_pc ? BER_CONSTRUCT : BER_PRIMITIVE)

BER_PC_MASK

#define BER_PC_MASK   0x20

BER_PRIMITIVE

#define BER_PRIMITIVE   0x00 /* 0 */

BER_TAG_BIT_STRING

#define BER_TAG_BIT_STRING   0x03

BER_TAG_BOOLEAN

#define BER_TAG_BOOLEAN   0x01

BER_TAG_ENUMERATED

#define BER_TAG_ENUMERATED   0x0A

BER_TAG_INTEGER

#define BER_TAG_INTEGER   0x02

BER_TAG_MASK

#define BER_TAG_MASK   0x1F

BER_TAG_OBJECT_IDENFIER

#define BER_TAG_OBJECT_IDENFIER   0x06

BER_TAG_OCTET_STRING

#define BER_TAG_OCTET_STRING   0x04

BER_TAG_SEQUENCE

#define BER_TAG_SEQUENCE   0x10

BER_TAG_SEQUENCE_OF

#define BER_TAG_SEQUENCE_OF   0x10

Function Documentation

_ber_sizeof_length()

FREERDP_API size_t _ber_sizeof_length

(

size_t

length

)

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ber_read_application_tag()

FREERDP_API BOOL ber_read_application_tag	(	wStream *	s,
		BYTE	tag,
		size_t *	length
	)

Read BER Application tag.

Parameters

s	stream
tag	BER application-defined tag
length	length

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ber_read_bit_string()

FREERDP_API BOOL ber_read_bit_string	(	wStream *	s,
		size_t *	length,
		BYTE *	padding
	)

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ber_read_BOOL()

FREERDP_API BOOL ber_read_BOOL	(	wStream *	s,
		BOOL *	value
	)

Read a BER BOOLEAN.

Parameters

s	The stream to read from.
value	A pointer to the value read, must not be NULL

Returns

TRUE for success, FALSE for any failure

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ber_read_char_from_unicode_octet_string()

FREERDP_API BOOL ber_read_char_from_unicode_octet_string	(	wStream *	s,
		char **	str
	)

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ber_read_contextual_tag()

FREERDP_API BOOL ber_read_contextual_tag	(	wStream *	s,
		BYTE	tag,
		size_t *	length,
		BOOL	pc
	)

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ber_read_enumerated()

FREERDP_API BOOL ber_read_enumerated	(	wStream *	s,
		BYTE *	enumerated,
		BYTE	count
	)

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ber_read_integer()

FREERDP_API BOOL ber_read_integer	(	wStream *	s,
		UINT32 *	value
	)

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ber_read_integer_length()

FREERDP_API BOOL ber_read_integer_length	(	wStream *	s,
		size_t *	length
	)

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ber_read_length()

FREERDP_API BOOL ber_read_length	(	wStream *	s,
		size_t *	length
	)

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ber_read_octet_string()

FREERDP_API BOOL ber_read_octet_string	(	wStream *	s,
		BYTE **	content,
		size_t *	length
	)

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ber_read_octet_string_tag()

FREERDP_API BOOL ber_read_octet_string_tag	(	wStream *	s,
		size_t *	length
	)

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ber_read_sequence_tag()

FREERDP_API BOOL ber_read_sequence_tag	(	wStream *	s,
		size_t *	length
	)

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ber_read_unicode_octet_string()

FREERDP_API BOOL ber_read_unicode_octet_string	(	wStream *	s,
		LPWSTR *	str
	)

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ber_read_universal_tag()

FREERDP_API BOOL ber_read_universal_tag	(	wStream *	s,
		BYTE	tag,
		BOOL	pc
	)

Read BER Universal tag.

Parameters

s	The stream to read from
tag	BER universally-defined tag

Returns

TRUE for success, FALSE otherwise

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ber_sizeof_contextual_integer()

FREERDP_API size_t ber_sizeof_contextual_integer

(

UINT32

value

)

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ber_sizeof_contextual_octet_string()

FREERDP_API size_t ber_sizeof_contextual_octet_string

(

size_t

length

)

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ber_sizeof_contextual_tag()

FREERDP_API size_t ber_sizeof_contextual_tag

(

size_t

length

)

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ber_sizeof_integer()

FREERDP_API size_t ber_sizeof_integer

(

UINT32

value

)

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ber_sizeof_octet_string()

FREERDP_API size_t ber_sizeof_octet_string

(

size_t

length

)

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ber_sizeof_sequence()

FREERDP_API size_t ber_sizeof_sequence

(

size_t

length

)

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ber_sizeof_sequence_tag()

FREERDP_API size_t ber_sizeof_sequence_tag

(

size_t

length

)

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ber_write_application_tag()

FREERDP_API void ber_write_application_tag	(	wStream *	s,
		BYTE	tag,
		size_t	length
	)

Write BER Application tag.

Parameters

s	stream
tag	BER application-defined tag
length	length

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ber_write_BOOL()

FREERDP_API void ber_write_BOOL	(	wStream *	s,
		BOOL	value
	)

Write a BER BOOLEAN

Parameters

s	A pointer to the stream to write to
value	The value to write

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ber_write_char_to_unicode_octet_string()

FREERDP_API size_t ber_write_char_to_unicode_octet_string	(	wStream *	s,
		const char *	str
	)

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ber_write_contextual_char_to_unicode_octet_string()

FREERDP_API size_t ber_write_contextual_char_to_unicode_octet_string	(	wStream *	s,
		BYTE	tag,
		const char *	oct_str
	)

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ber_write_contextual_integer()

FREERDP_API size_t ber_write_contextual_integer	(	wStream *	s,
		BYTE	tag,
		UINT32	value
	)

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ber_write_contextual_octet_string()

FREERDP_API size_t ber_write_contextual_octet_string	(	wStream *	s,
		BYTE	tag,
		const BYTE *	oct_str,
		size_t	length
	)

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ber_write_contextual_tag()

FREERDP_API size_t ber_write_contextual_tag	(	wStream *	s,
		BYTE	tag,
		size_t	length,
		BOOL	pc
	)

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ber_write_contextual_unicode_octet_string()

FREERDP_API size_t ber_write_contextual_unicode_octet_string	(	wStream *	s,
		BYTE	tag,
		LPWSTR	str
	)

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ber_write_enumerated()

FREERDP_API void ber_write_enumerated	(	wStream *	s,
		BYTE	enumerated,
		BYTE	count
	)

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ber_write_integer()

FREERDP_API size_t ber_write_integer	(	wStream *	s,
		UINT32	value
	)

Write a BER INTEGER

Parameters

s	A pointer to the stream to write to
value	The value to write

Returns

The size in bytes that were written

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ber_write_length()

FREERDP_API size_t ber_write_length	(	wStream *	s,
		size_t	length
	)

Write BER length.

Parameters

s	stream
length	length

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ber_write_octet_string()

FREERDP_API size_t ber_write_octet_string	(	wStream *	s,
		const BYTE *	oct_str,
		size_t	length
	)

Write a BER OCTET_STRING

Parameters

s	stream
oct_str	octet string
length	string length

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ber_write_octet_string_tag()

FREERDP_API size_t ber_write_octet_string_tag	(	wStream *	s,
		size_t	length
	)

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ber_write_sequence_tag()

FREERDP_API size_t ber_write_sequence_tag	(	wStream *	s,
		size_t	length
	)

Write BER SEQUENCE tag.

Parameters

s	stream
length	length

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ber_write_universal_tag()

FREERDP_API size_t ber_write_universal_tag	(	wStream *	s,
		BYTE	tag,
		BOOL	pc
	)

Write BER Universal tag.

Parameters

s	stream
tag	BER universally-defined tag
pc	primitive (FALSE) or constructed (TRUE)

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