redirection.c File Reference

#include <freerdp/config.h>
#include <winpr/crt.h>
#include <freerdp/log.h>
#include <freerdp/crypto/certificate.h>
#include <freerdp/redirection.h>
#include <freerdp/utils/string.h>
#include "../crypto/certificate.h"
#include "redirection.h"
#include "utils.h"

Macros
#define	TAG   FREERDP_TAG("core.redirection")
#define	ELEMENT_TYPE_CERTIFICATE   32
#define	ENCODING_TYPE_ASN1_DER   1

Functions
static void	redirection_free_array (char ***what, UINT32 *count)
static void	redirection_free_string (char **str)
static void	redirection_free_data (BYTE **str, UINT32 *length)
static BOOL	redirection_copy_string (char **dst, const char *str)
static BOOL	redirection_copy_data (BYTE **dst, UINT32 *plen, const BYTE *str, size_t len)
static BOOL	redirection_copy_array (char ***dst, UINT32 *plen, const char **str, size_t len)
static BOOL	rdp_redirection_get_data (wStream *s, UINT32 *pLength, const BYTE **pData)
static BOOL	rdp_redirection_read_unicode_string (wStream *s, char **str, size_t maxLength)
static BOOL	replace_char (char *utf8, size_t length, char what, char with)
static BOOL	rdp_redirection_write_data (wStream *s, size_t length, const void *data)
static BOOL	rdp_redirection_write_base64_wchar (UINT32 flag, wStream *s, size_t length, const void *data)
static BOOL	rdp_redirection_read_base64_wchar (UINT32 flag, wStream *s, UINT32 *pLength, BYTE **pData)
static BOOL	rdp_target_cert_get_element (wStream *s, UINT32 *pType, UINT32 *pEncoding, const BYTE **ptr, size_t *pLength)
static BOOL	rdp_target_cert_write_element (wStream *s, UINT32 Type, UINT32 Encoding, const BYTE *data, size_t length)
static BOOL	rdp_redirection_read_target_cert (rdpRedirection *redirection, const BYTE *data, size_t length)
static BOOL	rdp_redirection_write_target_cert (wStream *s, const rdpRedirection *redirection)
static BOOL	rdp_redireciton_write_target_cert_stream (wStream *s, const rdpRedirection *redirection)
static BOOL	rdp_redirection_read_target_cert_stream (wStream *s, rdpRedirection *redirection)
int	rdp_redirection_apply_settings (rdpRdp *rdp)
static BOOL	rdp_redirection_read_data (UINT32 flag, wStream *s, UINT32 *pLength, BYTE **pData)
static state_run_t	rdp_recv_server_redirection_pdu (rdpRdp *rdp, wStream *s)
state_run_t	rdp_recv_enhanced_security_redirection_packet (rdpRdp *rdp, wStream *s)
rdpRedirection *	redirection_new (void)
void	redirection_free (rdpRedirection *redirection)
static SSIZE_T	redir_write_string (UINT32 flag, wStream *s, const char *str)
static BOOL	redir_write_data (UINT32 flag, wStream *s, UINT32 length, const BYTE *data)
BOOL	rdp_write_enhanced_security_redirection_packet (wStream *s, const rdpRedirection *redirection)
BOOL	redirection_settings_are_valid (rdpRedirection *redirection, UINT32 *pFlags)
	This function checks if all necessary settings for a given rdpRedirection are available. More...
BOOL	redirection_set_flags (rdpRedirection *redirection, UINT32 flags)
BOOL	redirection_set_session_id (rdpRedirection *redirection, UINT32 session_id)
static BOOL	redirection_unsupported (const char *fkt, UINT32 flag, UINT32 mask)
BOOL	redirection_set_byte_option (rdpRedirection *redirection, UINT32 flag, const BYTE *data, size_t length)
BOOL	redirection_set_string_option (rdpRedirection *redirection, UINT32 flag, const char *str)
BOOL	redirection_set_array_option (rdpRedirection *redirection, UINT32 flag, const char **str, size_t count)

Macro Definition Documentation

ELEMENT_TYPE_CERTIFICATE

#define ELEMENT_TYPE_CERTIFICATE   32

ENCODING_TYPE_ASN1_DER

#define ENCODING_TYPE_ASN1_DER   1

TAG

#define TAG   FREERDP_TAG("core.redirection")

FreeRDP: A Remote Desktop Protocol Implementation RDP Server Redirection

Copyright 2011 Marc-Andre Moreau marca.nosp@m.ndre.nosp@m..more.nosp@m.au@g.nosp@m.mail..nosp@m.com Copyright 2023 Armin Novak anova.nosp@m.k@th.nosp@m.incas.nosp@m.t.co.nosp@m.m Copyright 2023 Thincast Technologies GmbH

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

rdp_recv_enhanced_security_redirection_packet()

state_run_t rdp_recv_enhanced_security_redirection_packet	(	rdpRdp *	rdp,
		wStream *	s
	)

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rdp_recv_server_redirection_pdu()

static state_run_t rdp_recv_server_redirection_pdu ( rdpRdp *  rdp, wStream *  s  )

static

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rdp_redireciton_write_target_cert_stream()

static BOOL rdp_redireciton_write_target_cert_stream ( wStream *  s, const rdpRedirection *  redirection  )

static

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rdp_redirection_apply_settings()

int rdp_redirection_apply_settings

(

rdpRdp *

rdp

)

Free previous LoadBalanceInfo, if any, otherwise it may end up being reused for the redirected session, which is not what we want.

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rdp_redirection_get_data()

static BOOL rdp_redirection_get_data ( wStream *  s, UINT32 *  pLength, const BYTE **  pData  )

static

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rdp_redirection_read_base64_wchar()

static BOOL rdp_redirection_read_base64_wchar ( UINT32  flag, wStream *  s, UINT32 *  pLength, BYTE **  pData  )

static

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rdp_redirection_read_data()

static BOOL rdp_redirection_read_data ( UINT32  flag, wStream *  s, UINT32 *  pLength, BYTE **  pData  )

static

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rdp_redirection_read_target_cert()

static BOOL rdp_redirection_read_target_cert ( rdpRedirection *  redirection, const BYTE *  data, size_t  length  )

static

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rdp_redirection_read_target_cert_stream()

static BOOL rdp_redirection_read_target_cert_stream ( wStream *  s, rdpRedirection *  redirection  )

static

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rdp_redirection_read_unicode_string()

static BOOL rdp_redirection_read_unicode_string ( wStream *  s, char **  str, size_t  maxLength  )

static

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rdp_redirection_write_base64_wchar()

static BOOL rdp_redirection_write_base64_wchar ( UINT32  flag, wStream *  s, size_t  length, const void *  data  )

static

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rdp_redirection_write_data()

static BOOL rdp_redirection_write_data ( wStream *  s, size_t  length, const void *  data  )

static

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rdp_redirection_write_target_cert()

static BOOL rdp_redirection_write_target_cert ( wStream *  s, const rdpRedirection *  redirection  )

static

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rdp_target_cert_get_element()

static BOOL rdp_target_cert_get_element ( wStream *  s, UINT32 *  pType, UINT32 *  pEncoding, const BYTE **  ptr, size_t *  pLength  )

static

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rdp_target_cert_write_element()

static BOOL rdp_target_cert_write_element ( wStream *  s, UINT32  Type, UINT32  Encoding, const BYTE *  data, size_t  length  )

static

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rdp_write_enhanced_security_redirection_packet()

BOOL rdp_write_enhanced_security_redirection_packet	(	wStream *	s,
		const rdpRedirection *	redirection
	)

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redir_write_data()

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

static

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redir_write_string()

static SSIZE_T redir_write_string ( UINT32  flag, wStream *  s, const char *  str  )

static

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redirection_copy_array()

static BOOL redirection_copy_array ( char ***  dst, UINT32 *  plen, const char **  str, size_t  len  )

static

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redirection_copy_data()

static BOOL redirection_copy_data ( BYTE **  dst, UINT32 *  plen, const BYTE *  str, size_t  len  )

static

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redirection_copy_string()

static BOOL redirection_copy_string ( char **  dst, const char *  str  )

static

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redirection_free()

void redirection_free

(

rdpRedirection *

redirection

)

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redirection_free_array()

static void redirection_free_array ( char ***  what, UINT32 *  count  )

static

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redirection_free_data()

static void redirection_free_data ( BYTE **  str, UINT32 *  length  )

static

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redirection_free_string()

static void redirection_free_string ( char **  str )

static

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redirection_new()

rdpRedirection* redirection_new

(

void

)

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redirection_set_array_option()

BOOL redirection_set_array_option	(	rdpRedirection *	redirection,
		UINT32	flag,
		const char **	str,
		size_t	count
	)

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redirection_set_byte_option()

BOOL redirection_set_byte_option	(	rdpRedirection *	redirection,
		UINT32	flag,
		const BYTE *	data,
		size_t	length
	)

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redirection_set_flags()

BOOL redirection_set_flags	(	rdpRedirection *	redirection,
		UINT32	flags
	)

redirection_set_session_id()

BOOL redirection_set_session_id	(	rdpRedirection *	redirection,
		UINT32	session_id
	)

redirection_set_string_option()

BOOL redirection_set_string_option	(	rdpRedirection *	redirection,
		UINT32	flag,
		const char *	str
	)

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redirection_settings_are_valid()

BOOL redirection_settings_are_valid	(	rdpRedirection *	redirection,
		UINT32 *	pFlags
	)

This function checks if all necessary settings for a given rdpRedirection are available.

Parameters

redirection	The redirection settings to check
pFlags	An (optional) pointer to UINT32. Is set to the flags that do not have necessary data available.

Returns

TRUE if the redirection settings are ready to use, FALSE otherwise.

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redirection_unsupported()

static BOOL redirection_unsupported ( const char *  fkt, UINT32  flag, UINT32  mask  )

static

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replace_char()

static BOOL replace_char ( char *  utf8, size_t  length, char  what, char  with  )

static