#include <freerdp/config.h>
#include <freerdp/license.h>
#include <winpr/crt.h>
#include <winpr/assert.h>
#include <winpr/crypto.h>
#include <winpr/shell.h>
#include <winpr/path.h>
#include <winpr/file.h>
#include <freerdp/log.h>
#include "redirection.h"
#include "certificate.h"
#include "license.h"

Macros
#define	TAG FREERDP_TAG("core.license")

#define	PLATFORM_CHALLENGE_RESPONSE_VERSION 0x0100

#define	LICENSE_PKT_CS_MASK (LICENSE_INFO \| NEW_LICENSE_REQUEST \| PLATFORM_CHALLENGE_RESPONSE \| ERROR_ALERT)

#define	LICENSE_PKT_SC_MASK (LICENSE_REQUEST \| PLATFORM_CHALLENGE \| NEW_LICENSE \| UPGRADE_LICENSE \| ERROR_ALERT)

#define	LICENSE_PKT_MASK (LICENSE_PKT_CS_MASK \| LICENSE_PKT_SC_MASK)

#define	LICENSE_PREAMBLE_LENGTH 4

#define	SERVER_RANDOM_LENGTH 32

#define	MASTER_SECRET_LENGTH 48

#define	PREMASTER_SECRET_LENGTH 48

#define	SESSION_KEY_BLOB_LENGTH 48

#define	MAC_SALT_KEY_LENGTH 16

#define	LICENSING_ENCRYPTION_KEY_LENGTH 16

#define	HWID_PLATFORM_ID_LENGTH 4

#define	HWID_UNIQUE_DATA_LENGTH 16

#define	HWID_LENGTH 20

#define	LICENSING_PADDING_SIZE 8

#define	PREAMBLE_VERSION_2_0 0x02

#define	PREAMBLE_VERSION_3_0 0x03

#define	LicenseProtocolVersionMask 0x0F

#define	EXTENDED_ERROR_MSG_SUPPORTED 0x80

#define	KEY_EXCHANGE_ALG_RSA 0x00000001

#define	PLATFORMID (CLIENT_OS_ID_WINNT_POST_52 \| CLIENT_IMAGE_ID_MICROSOFT)

Enumerations
enum	LicenseRequestType { LICENSE_REQUEST = 0x01 , PLATFORM_CHALLENGE = 0x02 , NEW_LICENSE = 0x03 , UPGRADE_LICENSE = 0x04 , LICENSE_INFO = 0x12 , NEW_LICENSE_REQUEST = 0x13 , PLATFORM_CHALLENGE_RESPONSE = 0x15 , ERROR_ALERT = 0xFF }
	Licensing Packet Types. More...

enum	{ BB_ANY_BLOB = 0x0000 , BB_DATA_BLOB = 0x0001 , BB_RANDOM_BLOB = 0x0002 , BB_CERTIFICATE_BLOB = 0x0003 , BB_ERROR_BLOB = 0x0004 , BB_ENCRYPTED_DATA_BLOB = 0x0009 , BB_KEY_EXCHG_ALG_BLOB = 0x000D , BB_SCOPE_BLOB = 0x000E , BB_CLIENT_USER_NAME_BLOB = 0x000F , BB_CLIENT_MACHINE_NAME_BLOB = 0x0010 }
	binary Blob Types More...

enum	{ ERR_INVALID_SERVER_CERTIFICATE = 0x00000001 , ERR_NO_LICENSE = 0x00000002 , ERR_INVALID_MAC = 0x00000003 , ERR_INVALID_SCOPE = 0x00000004 , ERR_NO_LICENSE_SERVER = 0x00000006 , STATUS_VALID_CLIENT = 0x00000007 , ERR_INVALID_CLIENT = 0x00000008 , ERR_INVALID_PRODUCT_ID = 0x0000000B , ERR_INVALID_MESSAGE_LENGTH = 0x0000000C }
	license Error Codes More...

enum	{ ST_TOTAL_ABORT = 0x00000001 , ST_NO_TRANSITION = 0x00000002 , ST_RESET_PHASE_TO_START = 0x00000003 , ST_RESEND_LAST_MESSAGE = 0x00000004 }
	state Transition Codes More...

enum	{ WIN32_PLATFORM_CHALLENGE_TYPE = 0x0100 , WIN16_PLATFORM_CHALLENGE_TYPE = 0x0200 , WINCE_PLATFORM_CHALLENGE_TYPE = 0x0300 , OTHER_PLATFORM_CHALLENGE_TYPE = 0xFF00 }
	Platform Challenge Types. More...

enum	{ LICENSE_DETAIL_SIMPLE = 0x0001 , LICENSE_DETAIL_MODERATE = 0x0002 , LICENSE_DETAIL_DETAIL = 0x0003 }
	License Detail Levels. More...

enum	{ CLIENT_OS_ID_WINNT_351 = 0x01000000 , CLIENT_OS_ID_WINNT_40 = 0x02000000 , CLIENT_OS_ID_WINNT_50 = 0x03000000 , CLIENT_OS_ID_WINNT_POST_52 = 0x04000000 , CLIENT_IMAGE_ID_MICROSOFT = 0x00010000 , CLIENT_IMAGE_ID_CITRIX = 0x00020000 }

Functions
static BOOL	license_send_error_alert (rdpLicense license, UINT32 dwErrorCode, UINT32 dwStateTransition, const LICENSE_BLOB info)

static BOOL	license_set_state (rdpLicense *license, LICENSE_STATE state)

static const char *	license_get_state_string (LICENSE_STATE state)

static const char *	license_preferred_key_exchange_alg_string (UINT32 alg)

static const char *	license_request_type_string (UINT32 type)

static const char *	licencse_blob_type_string (UINT16 type)

static wStream *	license_send_stream_init (rdpLicense *license)

static void	license_generate_randoms (rdpLicense *license)

static BOOL	license_generate_keys (rdpLicense *license)

static BOOL	license_generate_hwid (rdpLicense *license)

static BOOL	license_encrypt_premaster_secret (rdpLicense *license)

static LICENSE_PRODUCT_INFO *	license_new_product_info (void)

static void	license_free_product_info (LICENSE_PRODUCT_INFO *productInfo)

static BOOL	license_read_product_info (wStream s, LICENSE_PRODUCT_INFO productInfo)

static LICENSE_BLOB *	license_new_binary_blob (UINT16 type)

static void	license_free_binary_blob (LICENSE_BLOB *blob)

static BOOL	license_read_binary_blob_data (LICENSE_BLOB blob, UINT32 type, const void data, size_t length)

static BOOL	license_read_binary_blob (wStream s, LICENSE_BLOB blob)

static BOOL	license_write_binary_blob (wStream s, const LICENSE_BLOB blob)

static SCOPE_LIST *	license_new_scope_list (void)

static BOOL	license_scope_list_resize (SCOPE_LIST *scopeList, UINT32 count)

static void	license_free_scope_list (SCOPE_LIST *scopeList)

static BOOL	license_read_scope_list (wStream s, SCOPE_LIST scopeList)

static BOOL	license_write_scope_list (wStream s, const SCOPE_LIST scopeList)

static BOOL	license_read_license_request_packet (rdpLicense license, wStream s)

static BOOL	license_write_license_request_packet (const rdpLicense license, wStream s)

static BOOL	license_read_platform_challenge_packet (rdpLicense license, wStream s)

static BOOL	license_send_platform_challenge_packet (rdpLicense *license)

static BOOL	license_read_new_or_upgrade_license_packet (rdpLicense license, wStream s)

static BOOL	license_read_error_alert_packet (rdpLicense license, wStream s)

static BOOL	license_write_new_license_request_packet (const rdpLicense license, wStream s)

static BOOL	license_read_new_license_request_packet (rdpLicense license, wStream s)

static BOOL	license_answer_license_request (rdpLicense *license)

static BOOL	license_send_platform_challenge_response (rdpLicense *license)

static BOOL	license_read_platform_challenge_response (rdpLicense license, wStream s)

static BOOL	license_read_client_platform_challenge_response (rdpLicense license, wStream s)

static BOOL	license_write_client_platform_challenge_response (rdpLicense license, wStream s)

static BOOL	license_read_server_upgrade_license (rdpLicense license, wStream s)

static BOOL	license_write_server_upgrade_license (const rdpLicense license, wStream s)

static BOOL	license_send_license_info (rdpLicense license, const LICENSE_BLOB calBlob, BYTE *signature)

static BOOL	license_read_license_info (rdpLicense license, wStream s)

static state_run_t	license_client_recv (rdpLicense license, wStream s)

static state_run_t	license_server_recv (rdpLicense license, wStream s)

static BOOL	license_ensure_state (rdpLicense *license, LICENSE_STATE state, UINT32 msg)

state_run_t	license_recv (rdpLicense license, wStream s)

static BOOL	license_check_stream_length (wStream s, SSIZE_T expect, const char where)

static BOOL	license_check_stream_capacity (wStream s, size_t expect, const char where)

static BOOL	computeCalHash (const char hostname, char hashStr)

static BOOL	saveCal (const rdpSettings settings, const BYTE data, size_t length, const char *hostname)

static BYTE *	loadCalFile (const rdpSettings settings, const char hostname, size_t *dataLen)

static BOOL	license_read_preamble (wStream s, BYTE bMsgType, BYTE flags, UINT16 wMsgSize)

static BOOL	license_write_preamble (wStream *s, BYTE bMsgType, BYTE flags, UINT16 wMsgSize)

static BOOL	license_send (rdpLicense license, wStream s, BYTE type)

static BOOL	license_server_send_new_or_upgrade_license (rdpLicense *license, BOOL upgrade)

static BOOL	license_get_server_rsa_public_key (rdpLicense *license)

static BOOL	license_rc4_with_licenseKey (const rdpLicense license, const BYTE input, size_t len, LICENSE_BLOB *target)

static BOOL	license_encrypt_and_MAC (rdpLicense license, const BYTE input, size_t len, LICENSE_BLOB target, BYTE mac)

static BOOL	license_decrypt_and_check_MAC (rdpLicense license, const BYTE input, size_t len, LICENSE_BLOB target, const BYTE packetMac)

static BOOL	license_write_product_info (wStream s, const LICENSE_PRODUCT_INFO productInfo)

static BOOL	license_write_encrypted_premaster_secret_blob (wStream s, const LICENSE_BLOB blob, UINT32 ModulusLength)

static BOOL	license_read_encrypted_premaster_secret_blob (wStream s, LICENSE_BLOB blob, UINT32 *ModulusLength)

static BOOL	license_check_preferred_alg (rdpLicense license, UINT32 PreferredKeyExchangeAlg, const char where)

static BOOL	license_send_license_request_packet (rdpLicense *license)

static BOOL	license_read_encrypted_blob (const rdpLicense license, wStream s, LICENSE_BLOB *target)

BOOL	license_send_valid_client_error_packet (rdpRdp *rdp)

rdpLicense *	license_new (rdpRdp *rdp)

void	license_free (rdpLicense *license)

LICENSE_STATE	license_get_state (const rdpLicense *license)

LICENSE_TYPE	license_get_type (const rdpLicense *license)

BOOL	license_server_send_request (rdpLicense *license)

BOOL	license_server_configure (rdpLicense *license)

rdpLicense *	license_get (rdpContext *context)

Variables
static const char	licenseStore [] = "licenses"

Macro Definition Documentation

◆ EXTENDED_ERROR_MSG_SUPPORTED

#define EXTENDED_ERROR_MSG_SUPPORTED 0x80

◆ HWID_LENGTH

#define HWID_LENGTH 20

◆ HWID_PLATFORM_ID_LENGTH

#define HWID_PLATFORM_ID_LENGTH 4

◆ HWID_UNIQUE_DATA_LENGTH

#define HWID_UNIQUE_DATA_LENGTH 16

◆ KEY_EXCHANGE_ALG_RSA

#define KEY_EXCHANGE_ALG_RSA 0x00000001

◆ LICENSE_PKT_CS_MASK

#define LICENSE_PKT_CS_MASK (LICENSE_INFO | NEW_LICENSE_REQUEST | PLATFORM_CHALLENGE_RESPONSE | ERROR_ALERT)

◆ LICENSE_PKT_MASK

#define LICENSE_PKT_MASK (LICENSE_PKT_CS_MASK | LICENSE_PKT_SC_MASK)

◆ LICENSE_PKT_SC_MASK

#define LICENSE_PKT_SC_MASK (LICENSE_REQUEST | PLATFORM_CHALLENGE | NEW_LICENSE | UPGRADE_LICENSE | ERROR_ALERT)

◆ LICENSE_PREAMBLE_LENGTH

#define LICENSE_PREAMBLE_LENGTH 4

◆ LicenseProtocolVersionMask

#define LicenseProtocolVersionMask 0x0F

◆ LICENSING_ENCRYPTION_KEY_LENGTH

#define LICENSING_ENCRYPTION_KEY_LENGTH 16

◆ LICENSING_PADDING_SIZE

#define LICENSING_PADDING_SIZE 8

◆ MAC_SALT_KEY_LENGTH

#define MAC_SALT_KEY_LENGTH 16

◆ MASTER_SECRET_LENGTH

#define MASTER_SECRET_LENGTH 48

◆ PLATFORM_CHALLENGE_RESPONSE_VERSION

#define PLATFORM_CHALLENGE_RESPONSE_VERSION 0x0100

◆ PLATFORMID

#define PLATFORMID (CLIENT_OS_ID_WINNT_POST_52 | CLIENT_IMAGE_ID_MICROSOFT)

◆ PREAMBLE_VERSION_2_0

#define PREAMBLE_VERSION_2_0 0x02

◆ PREAMBLE_VERSION_3_0

#define PREAMBLE_VERSION_3_0 0x03

◆ PREMASTER_SECRET_LENGTH

#define PREMASTER_SECRET_LENGTH 48

◆ SERVER_RANDOM_LENGTH

#define SERVER_RANDOM_LENGTH 32

◆ SESSION_KEY_BLOB_LENGTH

#define SESSION_KEY_BLOB_LENGTH 48

◆ TAG

#define TAG FREERDP_TAG("core.license")

FreeRDP: A Remote Desktop Protocol Implementation RDP Licensing

Copyright 2011-2013 Marc-Andre Moreau marca.nosp@m.ndre.nosp@m..more.nosp@m.au@g.nosp@m.mail..nosp@m.com Copyright 2014 Norbert Federa norbe.nosp@m.rt.f.nosp@m.edera.nosp@m.@thi.nosp@m.ncast.nosp@m..com Copyright 2018 David Fort conta.nosp@m.ct@h.nosp@m.arden.nosp@m.ing-.nosp@m.consu.nosp@m.ltin.nosp@m.g.com Copyright 2022 Armin Novak armin.nosp@m..nov.nosp@m.ak@th.nosp@m.inca.nosp@m.st.co.nosp@m.m Copyright 2022 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.

Enumeration Type Documentation

◆ anonymous enum

anonymous enum

binary Blob Types

Enumerator
BB_ANY_BLOB
BB_DATA_BLOB
BB_RANDOM_BLOB
BB_CERTIFICATE_BLOB
BB_ERROR_BLOB
BB_ENCRYPTED_DATA_BLOB
BB_KEY_EXCHG_ALG_BLOB
BB_SCOPE_BLOB
BB_CLIENT_USER_NAME_BLOB
BB_CLIENT_MACHINE_NAME_BLOB

◆ anonymous enum

anonymous enum

license Error Codes

Enumerator
ERR_INVALID_SERVER_CERTIFICATE
ERR_NO_LICENSE
ERR_INVALID_MAC
ERR_INVALID_SCOPE
ERR_NO_LICENSE_SERVER
STATUS_VALID_CLIENT
ERR_INVALID_CLIENT
ERR_INVALID_PRODUCT_ID
ERR_INVALID_MESSAGE_LENGTH

◆ anonymous enum

anonymous enum

state Transition Codes

Enumerator
ST_TOTAL_ABORT
ST_NO_TRANSITION
ST_RESET_PHASE_TO_START
ST_RESEND_LAST_MESSAGE

◆ anonymous enum

anonymous enum

Platform Challenge Types.

Enumerator
WIN32_PLATFORM_CHALLENGE_TYPE
WIN16_PLATFORM_CHALLENGE_TYPE
WINCE_PLATFORM_CHALLENGE_TYPE
OTHER_PLATFORM_CHALLENGE_TYPE

◆ anonymous enum

anonymous enum

License Detail Levels.

Enumerator
LICENSE_DETAIL_SIMPLE
LICENSE_DETAIL_MODERATE
LICENSE_DETAIL_DETAIL

◆ anonymous enum

anonymous enum

Enumerator
CLIENT_OS_ID_WINNT_351
CLIENT_OS_ID_WINNT_40
CLIENT_OS_ID_WINNT_50
CLIENT_OS_ID_WINNT_POST_52
CLIENT_IMAGE_ID_MICROSOFT
CLIENT_IMAGE_ID_CITRIX

◆ LicenseRequestType

enum LicenseRequestType

Licensing Packet Types.

Enumerator
LICENSE_REQUEST
PLATFORM_CHALLENGE
NEW_LICENSE
UPGRADE_LICENSE
LICENSE_INFO
NEW_LICENSE_REQUEST
PLATFORM_CHALLENGE_RESPONSE
ERROR_ALERT

Function Documentation

◆ computeCalHash()

static BOOL computeCalHash	(	const char *	hostname,
		char *	hashStr
	)

static

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◆ licencse_blob_type_string()

static const char* licencse_blob_type_string ( UINT16 type )

static

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◆ license_answer_license_request()

BOOL license_answer_license_request ( rdpLicense * license )

static

Send a NEW_LICENSE_REQUEST packet.
http://msdn.microsoft.com/en-us/library/cc241918/

Parameters

license license module

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◆ license_check_preferred_alg()

static BOOL license_check_preferred_alg	(	rdpLicense *	license,
		UINT32	PreferredKeyExchangeAlg,
		const char *	where
	)

static

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◆ license_check_stream_capacity()

static BOOL license_check_stream_capacity	(	wStream *	s,
		size_t	expect,
		const char *	where
	)

static

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◆ license_check_stream_length()

static BOOL license_check_stream_length	(	wStream *	s,
		SSIZE_T	expect,
		const char *	where
	)

static

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◆ license_client_recv()

int license_client_recv	(	rdpLicense *	license,
		wStream *	s
	)

static

Receive an RDP licensing packet.
http://msdn.microsoft.com/en-us/library/cc240479/

Parameters

license	license module
s	stream

Returns: if the operation completed successfully

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◆ license_decrypt_and_check_MAC()

static BOOL license_decrypt_and_check_MAC	(	rdpLicense *	license,
		const BYTE *	input,
		size_t	len,
		LICENSE_BLOB *	target,
		const BYTE *	packetMac
	)

static

Decrypt the input using the license key and check the MAC

Parameters

license	rdpLicense to get keys and salt from
input	the input data to decrypt and MAC
len	size of input
target	a target LICENSE_BLOB where the decrypted input will be stored
mac	the signature buffer (16 bytes)

Returns: if the operation completed successfully

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◆ license_encrypt_and_MAC()

static BOOL license_encrypt_and_MAC	(	rdpLicense *	license,
		const BYTE *	input,
		size_t	len,
		LICENSE_BLOB *	target,
		BYTE *	mac
	)

static

Encrypt the input using the license key and MAC the input for a signature

Parameters

license	rdpLicense to get keys and salt from
input	the input data to encrypt and MAC
len	size of input
target	a target LICENSE_BLOB where the encrypted input will be stored
mac	the signature buffer (16 bytes)

Returns: if the operation completed successfully

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◆ license_encrypt_premaster_secret()

BOOL license_encrypt_premaster_secret ( rdpLicense * license )

static

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◆ license_ensure_state()

static BOOL license_ensure_state	(	rdpLicense *	license,
		LICENSE_STATE	state,
		UINT32	msg
	)

static

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◆ license_free()

void license_free ( rdpLicense * license )

Free license module.

Parameters

license license module to be freed

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◆ license_free_binary_blob()

void license_free_binary_blob ( LICENSE_BLOB * blob )

static

Free License Binary Blob (LICENSE_BINARY_BLOB).
http://msdn.microsoft.com/en-us/library/cc240481/

Parameters

blob	license binary blob

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◆ license_free_product_info()

void license_free_product_info ( LICENSE_PRODUCT_INFO * productInfo )

static

Free Product Information (LICENSE_PRODUCT_INFO).
http://msdn.microsoft.com/en-us/library/cc241915/

Parameters

productInfo product information

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◆ license_free_scope_list()

void license_free_scope_list ( SCOPE_LIST * scopeList )

static

Free License Scope List (SCOPE_LIST).
http://msdn.microsoft.com/en-us/library/cc241916/

Parameters

scopeList scope list

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◆ license_generate_hwid()

BOOL license_generate_hwid ( rdpLicense * license )

static

Generate Unique Hardware Identifier (CLIENT_HARDWARE_ID).

Parameters

license license module

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◆ license_generate_keys()

static BOOL license_generate_keys ( rdpLicense * license )

static

Generate License Cryptographic Keys.

Parameters

license license module

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◆ license_generate_randoms()

void license_generate_randoms ( rdpLicense * license )

static

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◆ license_get()

rdpLicense* license_get ( rdpContext * context )

◆ license_get_server_rsa_public_key()

static BOOL license_get_server_rsa_public_key ( rdpLicense * license )

static

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◆ license_get_state()

LICENSE_STATE license_get_state ( const rdpLicense * license )

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◆ license_get_state_string()

const char * license_get_state_string ( LICENSE_STATE state )

static

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◆ license_get_type()

LICENSE_TYPE license_get_type ( const rdpLicense * license )

◆ license_new()

rdpLicense* license_new ( rdpRdp * rdp )

Instantiate new license module.

Parameters

rdp	RDP module

Returns: new license module

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◆ license_new_binary_blob()

LICENSE_BLOB * license_new_binary_blob ( UINT16 type )

static

Allocate New License Binary Blob (LICENSE_BINARY_BLOB).
http://msdn.microsoft.com/en-us/library/cc240481/

Returns: new license binary blob

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◆ license_new_product_info()

LICENSE_PRODUCT_INFO * license_new_product_info ( void )

static

Allocate New Product Information (LICENSE_PRODUCT_INFO).
http://msdn.microsoft.com/en-us/library/cc241915/

Returns: new product information

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◆ license_new_scope_list()

SCOPE_LIST * license_new_scope_list ( void )

static

Allocate New License Scope List (SCOPE_LIST).
http://msdn.microsoft.com/en-us/library/cc241916/

Returns: new scope list

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◆ license_preferred_key_exchange_alg_string()

static const char* license_preferred_key_exchange_alg_string ( UINT32 alg )

static

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◆ license_rc4_with_licenseKey()

static BOOL license_rc4_with_licenseKey	(	const rdpLicense *	license,
		const BYTE *	input,
		size_t	len,
		LICENSE_BLOB *	target
	)

static

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◆ license_read_binary_blob()

BOOL license_read_binary_blob	(	wStream *	s,
		LICENSE_BLOB *	blob
	)

static

Read License Binary Blob (LICENSE_BINARY_BLOB).
http://msdn.microsoft.com/en-us/library/cc240481/

Parameters

s	stream
blob	license binary blob

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◆ license_read_binary_blob_data()

BOOL license_read_binary_blob_data	(	LICENSE_BLOB *	blob,
		UINT32	type,
		const void *	data,
		size_t	length
	)

static

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◆ license_read_client_platform_challenge_response()

BOOL license_read_client_platform_challenge_response	(	rdpLicense *	license,
		wStream *	s
	)

static

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◆ license_read_encrypted_blob()

static BOOL license_read_encrypted_blob	(	const rdpLicense *	license,
		wStream *	s,
		LICENSE_BLOB *	target
	)

static

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◆ license_read_encrypted_premaster_secret_blob()

static BOOL license_read_encrypted_premaster_secret_blob	(	wStream *	s,
		LICENSE_BLOB *	blob,
		UINT32 *	ModulusLength
	)

static

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◆ license_read_error_alert_packet()

BOOL license_read_error_alert_packet	(	rdpLicense *	license,
		wStream *	s
	)

static

Read an ERROR_ALERT packet.
http://msdn.microsoft.com/en-us/library/cc240482/

Parameters

license	license module
s	stream

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◆ license_read_license_info()

BOOL license_read_license_info	(	rdpLicense *	license,
		wStream *	s
	)

static

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◆ license_read_license_request_packet()

BOOL license_read_license_request_packet	(	rdpLicense *	license,
		wStream *	s
	)

static

Read a LICENSE_REQUEST packet.
http://msdn.microsoft.com/en-us/library/cc241914/

Parameters

license	license module
s	stream

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◆ license_read_new_license_request_packet()

BOOL license_read_new_license_request_packet	(	rdpLicense *	license,
		wStream *	s
	)

static

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◆ license_read_new_or_upgrade_license_packet()

BOOL license_read_new_or_upgrade_license_packet	(	rdpLicense *	license,
		wStream *	s
	)

static

Read a NEW_LICENSE packet.
http://msdn.microsoft.com/en-us/library/cc241926/

Parameters

license	license module
s	stream

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◆ license_read_platform_challenge_packet()

BOOL license_read_platform_challenge_packet	(	rdpLicense *	license,
		wStream *	s
	)

static

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◆ license_read_platform_challenge_response()

BOOL license_read_platform_challenge_response	(	rdpLicense *	license,
		wStream *	s
	)

static

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◆ license_read_preamble()

static BOOL license_read_preamble	(	wStream *	s,
		BYTE *	bMsgType,
		BYTE *	flags,
		UINT16 *	wMsgSize
	)

static

Read a licensing preamble.
http://msdn.microsoft.com/en-us/library/cc240480/

Parameters

s	stream
bMsgType	license message type
flags	message flags
wMsgSize	message size

Returns: if the operation completed successfully

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◆ license_read_product_info()

BOOL license_read_product_info	(	wStream *	s,
		LICENSE_PRODUCT_INFO *	productInfo
	)

static

Read Product Information (PRODUCT_INFO).
http://msdn.microsoft.com/en-us/library/cc241915/

Parameters

s	stream
productInfo	product information

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◆ license_read_scope_list()

BOOL license_read_scope_list	(	wStream *	s,
		SCOPE_LIST *	scopeList
	)

static

Read License Scope List (SCOPE_LIST).
http://msdn.microsoft.com/en-us/library/cc241916/

Parameters

s	stream
scopeList	scope list

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◆ license_read_server_upgrade_license()

BOOL license_read_server_upgrade_license	(	rdpLicense *	license,
		wStream *	s
	)

static

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◆ license_recv()

state_run_t license_recv	(	rdpLicense *	license,
		wStream *	s
	)

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◆ license_request_type_string()

static const char* license_request_type_string ( UINT32 type )

static

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◆ license_scope_list_resize()

BOOL license_scope_list_resize	(	SCOPE_LIST *	scopeList,
		UINT32	count
	)

static

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◆ license_send()

static BOOL license_send	(	rdpLicense *	license,
		wStream *	s,
		BYTE	type
	)

static

Send an RDP licensing packet.
http://msdn.microsoft.com/en-us/library/cc240479/

Parameters

license	license module
s	stream

Using EXTENDED_ERROR_MSG_SUPPORTED here would cause mstsc to crash when running in server mode! This flag seems to be incorrectly documented.

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◆ license_send_error_alert()

BOOL license_send_error_alert	(	rdpLicense *	license,
		UINT32	dwErrorCode,
		UINT32	dwStateTransition,
		const LICENSE_BLOB *	info
	)

static

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◆ license_send_license_info()

BOOL license_send_license_info	(	rdpLicense *	license,
		const LICENSE_BLOB *	calBlob,
		BYTE *	signature
	)

static

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◆ license_send_license_request_packet()

static BOOL license_send_license_request_packet ( rdpLicense * license )

static

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◆ license_send_platform_challenge_packet()

BOOL license_send_platform_challenge_packet ( rdpLicense * license )

static

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◆ license_send_platform_challenge_response()

BOOL license_send_platform_challenge_response ( rdpLicense * license )

static

Send Client Challenge Response Packet.
http://msdn.microsoft.com/en-us/library/cc241922/

Parameters

license license module

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◆ license_send_stream_init()

wStream * license_send_stream_init ( rdpLicense * license )

static

Initialize a license packet stream.

Parameters

license license module

Returns: stream

Encryption of licensing packets is optional even if the rdp security layer is used. If the peer has not indicated that it is capable of processing encrypted licensing packets (rdp->do_crypt_license) we turn off encryption (via rdp->do_crypt) before initializing the rdp stream and reenable it afterwards.

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