/** * FreeRDP: A Remote Desktop Protocol Client * RDP Licensing * * Copyright 2011 Marc-Andre Moreau * * 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. */ #ifndef __LICENSE_H #define __LICENSE_H typedef struct rdp_license rdpLicense; #include "rdp.h" #include "crypto.h" #include "certificate.h" #include #include #include /* Licensing Packet Types */ #define LICENSE_REQUEST 0x01 #define PLATFORM_CHALLENGE 0x02 #define NEW_LICENSE 0x03 #define UPGRADE_LICENSE 0x04 #define LICENSE_INFO 0x12 #define NEW_LICENSE_REQUEST 0x13 #define PLATFORM_CHALLENGE_RESPONSE 0x15 #define ERROR_ALERT 0xFF #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 LICENSE_PACKET_HEADER_LENGTH (RDP_PACKET_HEADER_LENGTH + RDP_SECURITY_HEADER_LENGTH + LICENSE_PREAMBLE_LENGTH) /* Cryptographic Lengths */ #define CLIENT_RANDOM_LENGTH 32 #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 /* Licensing Preamble Flags */ #define PREAMBLE_VERSION_2_0 0x02 #define PREAMBLE_VERSION_3_0 0x03 #define LicenseProtocolVersionMask 0x0F #define EXTENDED_ERROR_MSG_SUPPORTED 0x80 /* Licensing Binary Blob Types */ #define BB_ANY_BLOB 0x0000 #define BB_DATA_BLOB 0x0001 #define BB_RANDOM_BLOB 0x0002 #define BB_CERTIFICATE_BLOB 0x0003 #define BB_ERROR_BLOB 0x0004 #define BB_ENCRYPTED_DATA_BLOB 0x0009 #define BB_KEY_EXCHG_ALG_BLOB 0x000D #define BB_SCOPE_BLOB 0x000E #define BB_CLIENT_USER_NAME_BLOB 0x000F #define BB_CLIENT_MACHINE_NAME_BLOB 0x0010 /* Key Exchange Algorithms */ #define KEY_EXCHANGE_ALG_RSA 0x00000001 /* Licensing Error Codes */ #define ERR_INVALID_SERVER_CERTIFICATE 0x00000001 #define ERR_NO_LICENSE 0x00000002 #define ERR_INVALID_MAC 0x00000003 #define ERR_INVALID_SCOPE 0x00000004 #define ERR_NO_LICENSE_SERVER 0x00000006 #define STATUS_VALID_CLIENT 0x00000007 #define ERR_INVALID_CLIENT 0x00000008 #define ERR_INVALID_PRODUCT_ID 0x0000000B #define ERR_INVALID_MESSAGE_LENGTH 0x0000000C /* Licensing State Transition Codes */ #define ST_TOTAL_ABORT 0x00000001 #define ST_NO_TRANSITION 0x00000002 #define ST_RESET_PHASE_TO_START 0x00000003 #define ST_RESEND_LAST_MESSAGE 0x00000004 typedef struct { uint32 dwVersion; uint32 cbCompanyName; uint8* pbCompanyName; uint32 cbProductId; uint8* pbProductId; } PRODUCT_INFO; typedef struct { uint16 type; uint16 length; uint8* data; } LICENSE_BLOB; typedef struct { uint32 count; LICENSE_BLOB* array; } SCOPE_LIST; typedef enum { LICENSE_STATE_AWAIT, LICENSE_STATE_PROCESS, LICENSE_STATE_ABORTED, LICENSE_STATE_COMPLETED } LICENSE_STATE; struct rdp_license { LICENSE_STATE state; struct rdp_rdp* rdp; struct rdp_certificate* certificate; uint8 hwid[HWID_LENGTH]; uint8 modulus[MODULUS_MAX_SIZE]; uint8 exponent[EXPONENT_MAX_SIZE]; uint8 client_random[CLIENT_RANDOM_LENGTH]; uint8 server_random[SERVER_RANDOM_LENGTH]; uint8 master_secret[MASTER_SECRET_LENGTH]; uint8 premaster_secret[PREMASTER_SECRET_LENGTH]; uint8 session_key_blob[SESSION_KEY_BLOB_LENGTH]; uint8 mac_salt_key[MAC_SALT_KEY_LENGTH]; uint8 licensing_encryption_key[LICENSING_ENCRYPTION_KEY_LENGTH]; PRODUCT_INFO* product_info; LICENSE_BLOB* error_info; LICENSE_BLOB* key_exchange_list; LICENSE_BLOB* server_certificate; LICENSE_BLOB* client_user_name; LICENSE_BLOB* client_machine_name; LICENSE_BLOB* platform_challenge; LICENSE_BLOB* encrypted_premaster_secret; LICENSE_BLOB* encrypted_platform_challenge; LICENSE_BLOB* encrypted_hwid; SCOPE_LIST* scope_list; }; boolean license_recv(rdpLicense* license, STREAM* s); boolean license_send(rdpLicense* license, STREAM* s, uint8 type); STREAM* license_send_stream_init(rdpLicense* license); void license_generate_randoms(rdpLicense* license); void license_generate_keys(rdpLicense* license); void license_generate_hwid(rdpLicense* license); void license_encrypt_premaster_secret(rdpLicense* license); void license_decrypt_platform_challenge(rdpLicense* license); PRODUCT_INFO* license_new_product_info(); void license_free_product_info(PRODUCT_INFO* productInfo); void license_read_product_info(STREAM* s, PRODUCT_INFO* productInfo); LICENSE_BLOB* license_new_binary_blob(uint16 type); void license_free_binary_blob(LICENSE_BLOB* blob); void license_read_binary_blob(STREAM* s, LICENSE_BLOB* blob); void license_write_binary_blob(STREAM* s, LICENSE_BLOB* blob); SCOPE_LIST* license_new_scope_list(); void license_free_scope_list(SCOPE_LIST* scopeList); void license_read_scope_list(STREAM* s, SCOPE_LIST* scopeList); void license_read_license_request_packet(rdpLicense* license, STREAM* s); void license_read_platform_challenge_packet(rdpLicense* license, STREAM* s); void license_read_new_license_packet(rdpLicense* license, STREAM* s); void license_read_upgrade_license_packet(rdpLicense* license, STREAM* s); void license_read_error_alert_packet(rdpLicense* license, STREAM* s); void license_write_new_license_request_packet(rdpLicense* license, STREAM* s); void license_send_new_license_request_packet(rdpLicense* license); void license_write_platform_challenge_response_packet(rdpLicense* license, STREAM* s, uint8* mac_data); void license_send_platform_challenge_response_packet(rdpLicense* license); boolean license_send_valid_client_error_packet(rdpLicense* license); rdpLicense* license_new(rdpRdp* rdp); void license_free(rdpLicense* license); #ifdef WITH_DEBUG_LICENSE #define DEBUG_LICENSE(fmt, ...) DEBUG_CLASS(LICENSE, fmt, ## __VA_ARGS__) #else #define DEBUG_LICENSE(fmt, ...) DEBUG_NULL(fmt, ## __VA_ARGS__) #endif #endif /* __LICENSE_H */