ber.c File Reference

#include <freerdp/config.h>
#include <stdio.h>
#include <winpr/assert.h>
#include <winpr/crt.h>
#include <winpr/string.h>
#include <freerdp/log.h>
#include <freerdp/crypto/ber.h>

Macros
#define	TAG   FREERDP_TAG("crypto")

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

Macro Definition Documentation

TAG

#define TAG   FREERDP_TAG("crypto")

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.

Function Documentation

_ber_sizeof_length()

size_t _ber_sizeof_length

(

size_t

length

)

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ber_read_application_tag()

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()

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

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ber_read_BOOL()

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()

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

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ber_read_contextual_tag()

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

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ber_read_enumerated()

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

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ber_read_integer()

BOOL ber_read_integer	(	wStream *	s,
		UINT32 *	value
	)

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ber_read_integer_length()

BOOL ber_read_integer_length	(	wStream *	s,
		size_t *	length
	)

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ber_read_length()

BOOL ber_read_length	(	wStream *	s,
		size_t *	length
	)

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ber_read_octet_string()

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

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ber_read_octet_string_tag()

BOOL ber_read_octet_string_tag	(	wStream *	s,
		size_t *	length
	)

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ber_read_sequence_tag()

BOOL ber_read_sequence_tag	(	wStream *	s,
		size_t *	length
	)

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ber_read_unicode_octet_string()

BOOL ber_read_unicode_octet_string	(	wStream *	s,
		LPWSTR *	str
	)

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ber_read_universal_tag()

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()

size_t ber_sizeof_contextual_integer

(

UINT32

value

)

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ber_sizeof_contextual_octet_string()

size_t ber_sizeof_contextual_octet_string

(

size_t

length

)

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ber_sizeof_contextual_tag()

size_t ber_sizeof_contextual_tag

(

size_t

length

)

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ber_sizeof_integer()

size_t ber_sizeof_integer

(

UINT32

value

)

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ber_sizeof_octet_string()

size_t ber_sizeof_octet_string

(

size_t

length

)

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ber_sizeof_sequence()

size_t ber_sizeof_sequence

(

size_t

length

)

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ber_sizeof_sequence_tag()

size_t ber_sizeof_sequence_tag

(

size_t

length

)

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ber_write_application_tag()

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()

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()

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()

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

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ber_write_contextual_integer()

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

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ber_write_contextual_octet_string()

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()

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()

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

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ber_write_enumerated()

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

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ber_write_integer()

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()

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()

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()

size_t ber_write_octet_string_tag	(	wStream *	s,
		size_t	length
	)

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ber_write_sequence_tag()

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()

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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