#include <winpr/assert.h>
#include <winpr/print.h>
#include <freerdp/config.h>
#include <freerdp/crypto/per.h>
#include <freerdp/log.h>

Macros
#define	TAG FREERDP_TAG("crypto.per")

Functions
BOOL	per_read_length (wStream s, UINT16 length)

BOOL	per_write_length (wStream *s, UINT16 length)

BOOL	per_read_choice (wStream s, BYTE choice)

BOOL	per_write_choice (wStream *s, BYTE choice)

BOOL	per_read_selection (wStream s, BYTE selection)

BOOL	per_write_selection (wStream *s, BYTE selection)

BOOL	per_read_number_of_sets (wStream s, BYTE number)

BOOL	per_write_number_of_sets (wStream *s, BYTE number)

BOOL	per_read_padding (wStream *s, UINT16 length)

BOOL	per_write_padding (wStream *s, UINT16 length)

BOOL	per_read_integer (wStream s, UINT32 integer)

BOOL	per_write_integer (wStream *s, UINT32 integer)

BOOL	per_read_integer16 (wStream s, UINT16 integer, UINT16 min)

BOOL	per_write_integer16 (wStream *s, UINT16 integer, UINT16 min)

BOOL	per_read_enumerated (wStream s, BYTE enumerated, BYTE count)

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

static BOOL	per_check_oid_and_log_mismatch (const BYTE got, const BYTE expect, size_t length)

BOOL	per_read_object_identifier (wStream *s, const BYTE oid[6])

BOOL	per_write_object_identifier (wStream *s, const BYTE oid[6])

static void	per_write_string (wStream s, BYTE str, int length)

BOOL	per_read_octet_string (wStream s, const BYTE oct_str, UINT16 length, UINT16 min)

BOOL	per_write_octet_string (wStream s, const BYTE oct_str, UINT16 length, UINT16 min)

BOOL	per_read_numeric_string (wStream *s, UINT16 min)

BOOL	per_write_numeric_string (wStream s, const BYTE num_str, UINT16 length, UINT16 min)

Macro Definition Documentation

◆ TAG

#define TAG FREERDP_TAG("crypto.per")

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

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

◆ per_check_oid_and_log_mismatch()

static BOOL per_check_oid_and_log_mismatch	(	const BYTE *	got,
		const BYTE *	expect,
		size_t	length
	)

static

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◆ per_read_choice()

BOOL per_read_choice	(	wStream *	s,
		BYTE *	choice
	)

Read PER choice.

Parameters

s	stream
choice	choice

Returns: TRUE for success, FALSE otherwise.

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◆ per_read_enumerated()

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

Read PER ENUMERATED.

Parameters

s	The stream to read from
enumerated	enumerated result variable, must not be NULL
count	enumeration count

Returns: TRUE for success, FALSE otherwise

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◆ per_read_integer()

BOOL per_read_integer	(	wStream *	s,
		UINT32 *	integer
	)

Read PER INTEGER.

Parameters

s	stream
integer	integer

Returns: TRUE for success, FALSE otherwise.

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◆ per_read_integer16()

BOOL per_read_integer16	(	wStream *	s,
		UINT16 *	integer,
		UINT16	min
	)

Read PER INTEGER (UINT16).

Parameters

s	The stream to read from
integer	The integer result variable pointer, must not be NULL
min	minimum value

Returns: TRUE for success, FALSE otherwise

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◆ per_read_length()

BOOL per_read_length	(	wStream *	s,
		UINT16 *	length
	)

Read PER length.

Parameters

s	stream to read from
length	A pointer to return the length read, must not be NULL

Returns: TRUE for success, FALSE otherwise.

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◆ per_read_number_of_sets()

BOOL per_read_number_of_sets	(	wStream *	s,
		BYTE *	number
	)

Read PER number of sets.

Parameters

s	stream
number	number of sets

Returns: TRUE for success, FALSE otherwise.

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◆ per_read_numeric_string()

BOOL per_read_numeric_string	(	wStream *	s,
		UINT16	min
	)

Read PER NumericString.

Parameters

s	stream
min	minimum string length

Returns: TRUE for success, FALSE otherwise.

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◆ per_read_object_identifier()

BOOL per_read_object_identifier	(	wStream *	s,
		const BYTE	oid[6]
	)

Read PER OBJECT_IDENTIFIER (OID).

Parameters

s	The stream to read from
oid	object identifier (OID)

Warning: It works correctly only for limited set of OIDs.

Returns: TRUE for success, FALSE otherwise

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◆ per_read_octet_string()

BOOL per_read_octet_string	(	wStream *	s,
		const BYTE *	oct_str,
		UINT16	length,
		UINT16	min
	)

Read PER OCTET_STRING.

Parameters

s	The stream to read from
oct_str	octet string
length	string length
min	minimum length

Returns: TRUE for success, FALSE otherwise.

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◆ per_read_padding()

BOOL per_read_padding	(	wStream *	s,
		UINT16	length
	)

Read PER padding with zeros.

Parameters

s	A stream to read from
length	the data to write

Returns: TRUE for success, FALSE otherwise.

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◆ per_read_selection()

BOOL per_read_selection	(	wStream *	s,
		BYTE *	selection
	)

Read PER selection.

Parameters

s	stream
selection	selection

Returns: TRUE for success, FALSE otherwise.

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◆ per_write_choice()

BOOL per_write_choice	(	wStream *	s,
		BYTE	choice
	)

Write PER CHOICE.

Parameters

s	stream
choice	index of chosen field

Returns: TRUE for success, FALSE otherwise.

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◆ per_write_enumerated()

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

Write PER ENUMERATED.

Parameters

s	The stream to write to
enumerated	enumerated
count	enumeration count

Returns: TRUE for success, FALSE otherwise

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◆ per_write_integer()

BOOL per_write_integer	(	wStream *	s,
		UINT32	integer
	)

Write PER INTEGER.

Parameters

s	stream
integer	integer

Returns: TRUE for success, FALSE otherwise.

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◆ per_write_integer16()

BOOL per_write_integer16	(	wStream *	s,
		UINT16	integer,
		UINT16	min
	)

Write PER INTEGER (UINT16).

Parameters

s	stream
integer	integer
min	minimum value

Returns: TRUE for success, FALSE otherwise.

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◆ per_write_length()

BOOL per_write_length	(	wStream *	s,
		UINT16	length
	)

Write PER length.

Parameters

s	stream
length	length

Returns: TRUE for success, FALSE otherwise.

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◆ per_write_number_of_sets()

BOOL per_write_number_of_sets	(	wStream *	s,
		BYTE	number
	)

Write PER number of sets for SET OF.

Parameters

s	stream
number	number of sets

Returns: TRUE for success, FALSE otherwise.

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◆ per_write_numeric_string()

BOOL per_write_numeric_string	(	wStream *	s,
		const BYTE *	num_str,
		UINT16	length,
		UINT16	min
	)

Write PER NumericString.

Parameters

s	stream
num_str	numeric string
length	string length
min	minimum string length

Returns: TRUE for success, FALSE otherwise.

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◆ per_write_object_identifier()

BOOL per_write_object_identifier	(	wStream *	s,
		const BYTE	oid[6]
	)

Write PER OBJECT_IDENTIFIER (OID)

Parameters

s	stream
oid	object identifier (oid)

Warning: It works correctly only for limited set of OIDs.

Returns: TRUE for success, FALSE otherwise.

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◆ per_write_octet_string()

BOOL per_write_octet_string	(	wStream *	s,
		const BYTE *	oct_str,
		UINT16	length,
		UINT16	min
	)

Write PER OCTET_STRING

Parameters

s	stream
oct_str	octet string
length	string length
min	minimum string length

Returns: TRUE for success, FALSE otherwise.

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◆ per_write_padding()

BOOL per_write_padding	(	wStream *	s,
		UINT16	length
	)

Write PER padding with zeros.

Parameters

s	A stream to write to
length	the data to write

Returns: TRUE for success, FALSE otherwise.

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◆ per_write_selection()

BOOL per_write_selection	(	wStream *	s,
		BYTE	selection
	)

Write PER selection for OPTIONAL fields.

Parameters

s	stream
selection	bit map of selected fields

Returns: TRUE for success, FALSE otherwise.

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◆ per_write_string()

static void per_write_string	(	wStream *	s,
		BYTE *	str,
		int	length
	)

static

Write PER string.

Parameters

s	stream
str	string
length	string length

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Macros

Functions

Macro Definition Documentation

◆ TAG

Function Documentation

◆ per_check_oid_and_log_mismatch()

◆ per_read_choice()

◆ per_read_enumerated()

◆ per_read_integer()

◆ per_read_integer16()

◆ per_read_length()

◆ per_read_number_of_sets()

◆ per_read_numeric_string()

◆ per_read_object_identifier()

◆ per_read_octet_string()

◆ per_read_padding()

◆ per_read_selection()

◆ per_write_choice()

◆ per_write_enumerated()

◆ per_write_integer()

◆ per_write_integer16()

◆ per_write_length()

◆ per_write_number_of_sets()

◆ per_write_numeric_string()

◆ per_write_object_identifier()

◆ per_write_octet_string()

◆ per_write_padding()

◆ per_write_selection()

◆ per_write_string()