#include <freerdp/config.h>
#include <freerdp/log.h>
#include <freerdp/error.h>
#include <freerdp/settings.h>
#include <winpr/assert.h>
#include <winpr/stream.h>
#include <winpr/wlog.h>
#include "rdstls.h"
#include "transport.h"
#include "utils.h"

Macros
#define	RDSTLS_VERSION_1 0x01

#define	RDSTLS_TYPE_CAPABILITIES 0x01

#define	RDSTLS_TYPE_AUTHREQ 0x02

#define	RDSTLS_TYPE_AUTHRSP 0x04

#define	RDSTLS_DATA_CAPABILITIES 0x01

#define	RDSTLS_DATA_PASSWORD_CREDS 0x01

#define	RDSTLS_DATA_AUTORECONNECT_COOKIE 0x02

#define	RDSTLS_DATA_RESULT_CODE 0x01

#define	rdstls_check_state_requirements(rdstls, expected) rdstls_check_state_requirements_((rdstls), (expected), __FILE__, __FUNCTION__, __LINE__)

Enumerations
enum	RDSTLS_STATE { RDSTLS_STATE_INITIAL , RDSTLS_STATE_CAPABILITIES , RDSTLS_STATE_AUTH_REQ , RDSTLS_STATE_AUTH_RSP , RDSTLS_STATE_FINAL }

Functions
rdpRdstls *	rdstls_new (rdpContext context, rdpTransport transport)

void	rdstls_free (rdpRdstls *rdstls)

static const char *	rdstls_get_state_str (RDSTLS_STATE state)

static RDSTLS_STATE	rdstls_get_state (rdpRdstls *rdstls)

static BOOL	check_transition (wLog *log, RDSTLS_STATE current, RDSTLS_STATE expected, RDSTLS_STATE requested)

static BOOL	rdstls_set_state (rdpRdstls *rdstls, RDSTLS_STATE state)

static BOOL	rdstls_write_capabilities (rdpRdstls rdstls, wStream s)

static SSIZE_T	rdstls_write_string (wStream s, const char str)

static BOOL	rdstls_write_data (wStream s, UINT32 length, const BYTE data)

static BOOL	rdstls_write_authentication_request_with_password (rdpRdstls rdstls, wStream s)

static BOOL	rdstls_write_authentication_request_with_cookie (rdpRdstls rdstls, wStream s)

static BOOL	rdstls_write_authentication_response (rdpRdstls rdstls, wStream s)

static BOOL	rdstls_process_capabilities (rdpRdstls rdstls, wStream s)

static BOOL	rdstls_read_unicode_string (wLog log, wStream s, char **str)

static BOOL	rdstls_read_data (wLog log, wStream s, UINT16 pLength, const BYTE *pData)

static BOOL	rdstls_cmp_data (wLog log, const char field, const BYTE serverData, const UINT32 serverDataLength, const BYTE clientData, const UINT16 clientDataLength)

static BOOL	rdstls_cmp_str (wLog log, const char field, const char serverStr, const char clientStr)

static BOOL	rdstls_process_authentication_request_with_password (rdpRdstls rdstls, wStream s)

static BOOL	rdstls_process_authentication_request_with_cookie (rdpRdstls rdstls, wStream s)

static BOOL	rdstls_process_authentication_request (rdpRdstls rdstls, wStream s)

static BOOL	rdstls_process_authentication_response (rdpRdstls rdstls, wStream s)

static BOOL	rdstls_send (rdpTransport transport, wStream s, void *extra)

static int	rdstls_recv (rdpTransport transport, wStream s, void *extra)

static BOOL	rdstls_check_state_requirements_ (rdpRdstls rdstls, RDSTLS_STATE expected, const char file, const char *fkt, size_t line)

static BOOL	rdstls_send_capabilities (rdpRdstls *rdstls)

static BOOL	rdstls_recv_authentication_request (rdpRdstls *rdstls)

static BOOL	rdstls_send_authentication_response (rdpRdstls *rdstls)

static BOOL	rdstls_recv_capabilities (rdpRdstls *rdstls)

static BOOL	rdstls_send_authentication_request (rdpRdstls *rdstls)

static BOOL	rdstls_recv_authentication_response (rdpRdstls *rdstls)

static int	rdstls_server_authenticate (rdpRdstls *rdstls)

static int	rdstls_client_authenticate (rdpRdstls *rdstls)

int	rdstls_authenticate (rdpRdstls *rdstls)

static SSIZE_T	rdstls_parse_pdu_data_type (wLog log, UINT16 dataType, wStream s)

SSIZE_T	rdstls_parse_pdu (wLog log, wStream stream)

Macro Definition Documentation

◆ rdstls_check_state_requirements

#define rdstls_check_state_requirements	(	rdstls,
		expected
	)	rdstls_check_state_requirements_((rdstls), (expected), __FILE__, __FUNCTION__, __LINE__)

◆ RDSTLS_DATA_AUTORECONNECT_COOKIE

#define RDSTLS_DATA_AUTORECONNECT_COOKIE 0x02

◆ RDSTLS_DATA_CAPABILITIES

#define RDSTLS_DATA_CAPABILITIES 0x01

◆ RDSTLS_DATA_PASSWORD_CREDS

#define RDSTLS_DATA_PASSWORD_CREDS 0x01

◆ RDSTLS_DATA_RESULT_CODE

#define RDSTLS_DATA_RESULT_CODE 0x01

◆ RDSTLS_TYPE_AUTHREQ

#define RDSTLS_TYPE_AUTHREQ 0x02

◆ RDSTLS_TYPE_AUTHRSP

#define RDSTLS_TYPE_AUTHRSP 0x04

◆ RDSTLS_TYPE_CAPABILITIES

#define RDSTLS_TYPE_CAPABILITIES 0x01

◆ RDSTLS_VERSION_1

#define RDSTLS_VERSION_1 0x01

FreeRDP: A Remote Desktop Protocol Implementation RDSTLS Security protocol

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.

Enumeration Type Documentation

◆ RDSTLS_STATE

enum RDSTLS_STATE

Enumerator
RDSTLS_STATE_INITIAL
RDSTLS_STATE_CAPABILITIES
RDSTLS_STATE_AUTH_REQ
RDSTLS_STATE_AUTH_RSP
RDSTLS_STATE_FINAL

Function Documentation

◆ check_transition()

static BOOL check_transition	(	wLog *	log,
		RDSTLS_STATE	current,
		RDSTLS_STATE	expected,
		RDSTLS_STATE	requested
	)

static

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◆ rdstls_authenticate()

int rdstls_authenticate ( rdpRdstls * rdstls )

Authenticate using RDSTLS.

Parameters

rdstls The RDSTLS instance to use

Returns: 1 if authentication is successful

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◆ rdstls_check_state_requirements_()

static BOOL rdstls_check_state_requirements_	(	rdpRdstls *	rdstls,
		RDSTLS_STATE	expected,
		const char *	file,
		const char *	fkt,
		size_t	line
	)

static

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◆ rdstls_client_authenticate()

static int rdstls_client_authenticate ( rdpRdstls * rdstls )

static

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◆ rdstls_cmp_data()

static BOOL rdstls_cmp_data	(	wLog *	log,
		const char *	field,
		const BYTE *	serverData,
		const UINT32	serverDataLength,
		const BYTE *	clientData,
		const UINT16	clientDataLength
	)

static

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◆ rdstls_cmp_str()

static BOOL rdstls_cmp_str	(	wLog *	log,
		const char *	field,
		const char *	serverStr,
		const char *	clientStr
	)

static

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◆ rdstls_free()

void rdstls_free ( rdpRdstls * rdstls )

Free RDSTLS state machine.

Parameters

rdstls The RDSTLS instance to free

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◆ rdstls_get_state()

static RDSTLS_STATE rdstls_get_state ( rdpRdstls * rdstls )

static

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◆ rdstls_get_state_str()

static const char* rdstls_get_state_str ( RDSTLS_STATE state )

static

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◆ rdstls_new()

rdpRdstls* rdstls_new	(	rdpContext *	context,
		rdpTransport *	transport
	)

Create new RDSTLS state machine.

Parameters

context A pointer to the rdp context to use

Returns: new RDSTLS state machine.

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◆ rdstls_parse_pdu()

SSIZE_T rdstls_parse_pdu	(	wLog *	log,
		wStream *	stream
	)

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◆ rdstls_parse_pdu_data_type()

static SSIZE_T rdstls_parse_pdu_data_type	(	wLog *	log,
		UINT16	dataType,
		wStream *	s
	)

static

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◆ rdstls_process_authentication_request()

static BOOL rdstls_process_authentication_request	(	rdpRdstls *	rdstls,
		wStream *	s
	)

static

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◆ rdstls_process_authentication_request_with_cookie()

static BOOL rdstls_process_authentication_request_with_cookie	(	rdpRdstls *	rdstls,
		wStream *	s
	)

static

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◆ rdstls_process_authentication_request_with_password()

static BOOL rdstls_process_authentication_request_with_password	(	rdpRdstls *	rdstls,
		wStream *	s
	)

static

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◆ rdstls_process_authentication_response()

static BOOL rdstls_process_authentication_response	(	rdpRdstls *	rdstls,
		wStream *	s
	)

static

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◆ rdstls_process_capabilities()

static BOOL rdstls_process_capabilities	(	rdpRdstls *	rdstls,
		wStream *	s
	)

static

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◆ rdstls_read_data()

static BOOL rdstls_read_data	(	wLog *	log,
		wStream *	s,
		UINT16 *	pLength,
		const BYTE **	pData
	)

static

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◆ rdstls_read_unicode_string()

static BOOL rdstls_read_unicode_string	(	wLog *	log,
		wStream *	s,
		char **	str
	)

static

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◆ rdstls_recv()

static int rdstls_recv	(	rdpTransport *	transport,
		wStream *	s,
		void *	extra
	)

static

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◆ rdstls_recv_authentication_request()

static BOOL rdstls_recv_authentication_request ( rdpRdstls * rdstls )

static

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◆ rdstls_recv_authentication_response()

static BOOL rdstls_recv_authentication_response ( rdpRdstls * rdstls )

static

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◆ rdstls_recv_capabilities()

static BOOL rdstls_recv_capabilities ( rdpRdstls * rdstls )

static

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◆ rdstls_send()

static BOOL rdstls_send	(	rdpTransport *	transport,
		wStream *	s,
		void *	extra
	)

static

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◆ rdstls_send_authentication_request()

static BOOL rdstls_send_authentication_request ( rdpRdstls * rdstls )

static

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◆ rdstls_send_authentication_response()

static BOOL rdstls_send_authentication_response ( rdpRdstls * rdstls )

static

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◆ rdstls_send_capabilities()

static BOOL rdstls_send_capabilities ( rdpRdstls * rdstls )

static

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◆ rdstls_server_authenticate()

static int rdstls_server_authenticate ( rdpRdstls * rdstls )

static

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◆ rdstls_set_state()

static BOOL rdstls_set_state	(	rdpRdstls *	rdstls,
		RDSTLS_STATE	state
	)

static

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◆ rdstls_write_authentication_request_with_cookie()

static BOOL rdstls_write_authentication_request_with_cookie	(	rdpRdstls *	rdstls,
		wStream *	s
	)

static

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◆ rdstls_write_authentication_request_with_password()

static BOOL rdstls_write_authentication_request_with_password	(	rdpRdstls *	rdstls,
		wStream *	s
	)

static

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◆ rdstls_write_authentication_response()

static BOOL rdstls_write_authentication_response	(	rdpRdstls *	rdstls,
		wStream *	s
	)

static

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◆ rdstls_write_capabilities()

static BOOL rdstls_write_capabilities	(	rdpRdstls *	rdstls,
		wStream *	s
	)

static

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◆ rdstls_write_data()

static BOOL rdstls_write_data	(	wStream *	s,
		UINT32	length,
		const BYTE *	data
	)

static

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◆ rdstls_write_string()

static SSIZE_T rdstls_write_string	(	wStream *	s,
		const char *	str
	)

static

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Macros

Enumerations

Functions

Macro Definition Documentation

◆ rdstls_check_state_requirements

◆ RDSTLS_DATA_AUTORECONNECT_COOKIE

◆ RDSTLS_DATA_CAPABILITIES

◆ RDSTLS_DATA_PASSWORD_CREDS

◆ RDSTLS_DATA_RESULT_CODE

◆ RDSTLS_TYPE_AUTHREQ

◆ RDSTLS_TYPE_AUTHRSP

◆ RDSTLS_TYPE_CAPABILITIES

◆ RDSTLS_VERSION_1

Enumeration Type Documentation

◆ RDSTLS_STATE

Function Documentation

◆ check_transition()

◆ rdstls_authenticate()

◆ rdstls_check_state_requirements_()

◆ rdstls_client_authenticate()

◆ rdstls_cmp_data()

◆ rdstls_cmp_str()

◆ rdstls_free()

◆ rdstls_get_state()

◆ rdstls_get_state_str()

◆ rdstls_new()

◆ rdstls_parse_pdu()

◆ rdstls_parse_pdu_data_type()

◆ rdstls_process_authentication_request()

◆ rdstls_process_authentication_request_with_cookie()

◆ rdstls_process_authentication_request_with_password()

◆ rdstls_process_authentication_response()

◆ rdstls_process_capabilities()

◆ rdstls_read_data()

◆ rdstls_read_unicode_string()

◆ rdstls_recv()

◆ rdstls_recv_authentication_request()

◆ rdstls_recv_authentication_response()

◆ rdstls_recv_capabilities()

◆ rdstls_send()

◆ rdstls_send_authentication_request()

◆ rdstls_send_authentication_response()

◆ rdstls_send_capabilities()

◆ rdstls_server_authenticate()

◆ rdstls_set_state()

◆ rdstls_write_authentication_request_with_cookie()

◆ rdstls_write_authentication_request_with_password()

◆ rdstls_write_authentication_response()

◆ rdstls_write_capabilities()

◆ rdstls_write_data()

◆ rdstls_write_string()