b6e6575bf6
This patch simplifies the licensing code mutualizing encryption / decryption routines. It also adds the support for client_info packet that allows to send a previously saved CAL file.
220 lines
6.1 KiB
C
220 lines
6.1 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* RDP Licensing
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*
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* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef FREERDP_LIB_CORE_LICENSE_H
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#define FREERDP_LIB_CORE_LICENSE_H
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typedef struct rdp_license rdpLicense;
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#include "rdp.h"
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#include <freerdp/crypto/crypto.h>
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#include <freerdp/crypto/certificate.h>
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#include <freerdp/freerdp.h>
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#include <freerdp/log.h>
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#include <freerdp/api.h>
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#include <winpr/stream.h>
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/* Licensing Packet Types */
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#define LICENSE_REQUEST 0x01
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#define PLATFORM_CHALLENGE 0x02
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#define NEW_LICENSE 0x03
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#define UPGRADE_LICENSE 0x04
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#define LICENSE_INFO 0x12
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#define NEW_LICENSE_REQUEST 0x13
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#define PLATFORM_CHALLENGE_RESPONSE 0x15
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#define ERROR_ALERT 0xFF
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#define LICENSE_PKT_CS_MASK (LICENSE_INFO | NEW_LICENSE_REQUEST | PLATFORM_CHALLENGE_RESPONSE | ERROR_ALERT)
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#define LICENSE_PKT_SC_MASK (LICENSE_REQUEST | PLATFORM_CHALLENGE | NEW_LICENSE | UPGRADE_LICENSE | ERROR_ALERT)
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#define LICENSE_PKT_MASK (LICENSE_PKT_CS_MASK | LICENSE_PKT_SC_MASK)
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#define LICENSE_PREAMBLE_LENGTH 4
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/* Cryptographic Lengths */
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#define CLIENT_RANDOM_LENGTH 32
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#define SERVER_RANDOM_LENGTH 32
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#define MASTER_SECRET_LENGTH 48
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#define PREMASTER_SECRET_LENGTH 48
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#define SESSION_KEY_BLOB_LENGTH 48
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#define MAC_SALT_KEY_LENGTH 16
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#define LICENSING_ENCRYPTION_KEY_LENGTH 16
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#define HWID_PLATFORM_ID_LENGTH 4
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#define HWID_UNIQUE_DATA_LENGTH 16
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#define HWID_LENGTH 20
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#define LICENSING_PADDING_SIZE 8
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/* Preamble Flags */
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#define PREAMBLE_VERSION_2_0 0x02
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#define PREAMBLE_VERSION_3_0 0x03
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#define LicenseProtocolVersionMask 0x0F
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#define EXTENDED_ERROR_MSG_SUPPORTED 0x80
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/* Binary Blob Types */
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#define BB_ANY_BLOB 0x0000
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#define BB_DATA_BLOB 0x0001
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#define BB_RANDOM_BLOB 0x0002
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#define BB_CERTIFICATE_BLOB 0x0003
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#define BB_ERROR_BLOB 0x0004
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#define BB_ENCRYPTED_DATA_BLOB 0x0009
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#define BB_KEY_EXCHG_ALG_BLOB 0x000D
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#define BB_SCOPE_BLOB 0x000E
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#define BB_CLIENT_USER_NAME_BLOB 0x000F
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#define BB_CLIENT_MACHINE_NAME_BLOB 0x0010
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/* License Key Exchange Algorithms */
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#define KEY_EXCHANGE_ALG_RSA 0x00000001
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/* License Error Codes */
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#define ERR_INVALID_SERVER_CERTIFICATE 0x00000001
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#define ERR_NO_LICENSE 0x00000002
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#define ERR_INVALID_MAC 0x00000003
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#define ERR_INVALID_SCOPE 0x00000004
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#define ERR_NO_LICENSE_SERVER 0x00000006
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#define STATUS_VALID_CLIENT 0x00000007
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#define ERR_INVALID_CLIENT 0x00000008
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#define ERR_INVALID_PRODUCT_ID 0x0000000B
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#define ERR_INVALID_MESSAGE_LENGTH 0x0000000C
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/* State Transition Codes */
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#define ST_TOTAL_ABORT 0x00000001
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#define ST_NO_TRANSITION 0x00000002
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#define ST_RESET_PHASE_TO_START 0x00000003
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#define ST_RESEND_LAST_MESSAGE 0x00000004
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/* Platform Challenge Types */
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#define WIN32_PLATFORM_CHALLENGE_TYPE 0x0100
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#define WIN16_PLATFORM_CHALLENGE_TYPE 0x0200
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#define WINCE_PLATFORM_CHALLENGE_TYPE 0x0300
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#define OTHER_PLATFORM_CHALLENGE_TYPE 0xFF00
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/* License Detail Levels */
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#define LICENSE_DETAIL_SIMPLE 0x0001
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#define LICENSE_DETAIL_MODERATE 0x0002
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#define LICENSE_DETAIL_DETAIL 0x0003
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/*
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* PlatformId:
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*
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* The most significant byte of the PlatformId field contains the operating system version of the client.
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* The second most significant byte of the PlatformId field identifies the ISV that provided the client image.
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* The remaining two bytes in the PlatformId field are used by the ISV to identify the build number of the operating system.
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*
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* 0x04010000:
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*
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* CLIENT_OS_ID_WINNT_POST_52 (0x04000000)
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* CLIENT_IMAGE_ID_MICROSOFT (0x00010000)
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*/
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#define CLIENT_OS_ID_WINNT_351 0x01000000
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#define CLIENT_OS_ID_WINNT_40 0x02000000
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#define CLIENT_OS_ID_WINNT_50 0x03000000
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#define CLIENT_OS_ID_WINNT_POST_52 0x04000000
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#define CLIENT_IMAGE_ID_MICROSOFT 0x00010000
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#define CLIENT_IMAGE_ID_CITRIX 0x00020000
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typedef struct
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{
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UINT32 dwVersion;
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UINT32 cbCompanyName;
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BYTE* pbCompanyName;
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UINT32 cbProductId;
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BYTE* pbProductId;
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} LICENSE_PRODUCT_INFO;
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typedef struct
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{
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UINT16 type;
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UINT16 length;
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BYTE* data;
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} LICENSE_BLOB;
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typedef struct
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{
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UINT32 count;
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LICENSE_BLOB* array;
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} SCOPE_LIST;
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typedef enum
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{
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LICENSE_STATE_AWAIT,
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LICENSE_STATE_PROCESS,
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LICENSE_STATE_ABORTED,
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LICENSE_STATE_COMPLETED
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} LICENSE_STATE;
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struct rdp_license
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{
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LICENSE_STATE state;
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rdpRdp* rdp;
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rdpCertificate* certificate;
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BYTE* Modulus;
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UINT32 ModulusLength;
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BYTE Exponent[4];
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BYTE HardwareId[HWID_LENGTH];
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BYTE ClientRandom[CLIENT_RANDOM_LENGTH];
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BYTE ServerRandom[SERVER_RANDOM_LENGTH];
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BYTE MasterSecret[MASTER_SECRET_LENGTH];
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BYTE PremasterSecret[PREMASTER_SECRET_LENGTH];
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BYTE SessionKeyBlob[SESSION_KEY_BLOB_LENGTH];
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BYTE MacSaltKey[MAC_SALT_KEY_LENGTH];
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BYTE LicensingEncryptionKey[LICENSING_ENCRYPTION_KEY_LENGTH];
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LICENSE_PRODUCT_INFO* ProductInfo;
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LICENSE_BLOB* ErrorInfo;
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LICENSE_BLOB* KeyExchangeList;
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LICENSE_BLOB* ServerCertificate;
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LICENSE_BLOB* ClientUserName;
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LICENSE_BLOB* ClientMachineName;
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LICENSE_BLOB* PlatformChallenge;
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LICENSE_BLOB* EncryptedPremasterSecret;
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LICENSE_BLOB* EncryptedPlatformChallenge;
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LICENSE_BLOB *EncryptedPlatformChallengeResponse;
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LICENSE_BLOB* EncryptedHardwareId;
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SCOPE_LIST* ScopeList;
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UINT32 PacketHeaderLength;
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};
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FREERDP_LOCAL int license_recv(rdpLicense* license, wStream* s);
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FREERDP_LOCAL BOOL license_send_valid_client_error_packet(rdpLicense* license);
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FREERDP_LOCAL rdpLicense* license_new(rdpRdp* rdp);
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FREERDP_LOCAL void license_free(rdpLicense* license);
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#define LICENSE_TAG FREERDP_TAG("core.license")
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#ifdef WITH_DEBUG_LICENSE
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#define DEBUG_LICENSE(...) WLog_DBG(LICENSE_TAG, __VA_ARGS__)
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#else
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#define DEBUG_LICENSE(...) do { } while (0)
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#endif
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#endif /* FREERDP_LIB_CORE_LICENSE_H */
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