a kÄ#d2ã@s*ddlZddlmZmZmZddlmZddlmZm Z m Z mZmZm Z ddlmZddlmZddlmZddlmZdd lmZgd ¢Ze d¡zdejd d<Wn eyÈddiejd <Yn0dd„ZGdd„deƒZd"dd„Zd#dd„Zd$dd„Z d%dd„Z!d&dd„Z"d'dd„Z#d d!„Z$dS)(éN)ÚOptionalÚcastÚCallable)Úlog_automotive)ÚGMLANÚGMLAN_SAÚGMLAN_RDÚGMLAN_TDÚGMLAN_PMÚ GMLAN_RMBA)Úconf)ÚPacket)ÚSuperSocket)ÚISOTPSocket)ÚPeriodicSenderThread)ÚGMLAN_TesterPresentSenderÚGMLAN_InitDiagnosticsÚGMLAN_GetSecurityAccessÚGMLAN_RequestDownloadÚGMLAN_TransferDataÚGMLAN_TransferPayloadÚGMLAN_ReadMemoryByAddressÚGMLAN_BroadcastSocketz‹"conf.contribs['GMLAN']['treat-response-pending-as-answer']" set to True). This is required by the GMLAN-Utils module to operate correctly.Frz treat-response-pending-as-answercCs0|durt d¡dSt dt|ƒ¡|jdkS)NúTimeout.Fú%sé)rÚdebugÚreprÚservice)Úresp©r ú]/var/www/html/gsl.tools/lib/python3.9/site-packages/scapy/contrib/automotive/gm/gmlanutils.pyÚ_check_response's r"c@s(eZdZedddfdd„Zdd„ZdS) rZ TesterPresent©récCst ||||¡dS)zÙ Thread to send GMLAN TesterPresent packets periodically :param sock: socket where packet is sent periodically :param pkt: packet to send :param interval: interval between two packets N)rÚ__init__)ÚselfÚsockÚpktÚintervalr r r!r%2sz"GMLAN_TesterPresentSender.__init__cCsX|j ¡sT|jjsT|jD]8}|jj|dddt |j¡|j ¡sL|jjrqqqdS)NFgš™™™™™¹?)ÚverboseÚtimeout) Z_stoppedÚis_setÚ_socketÚclosedZ_pktsÚsr1ÚtimeÚsleepZ _interval)r&Úpr r r!Úrun<s zGMLAN_TesterPresentSender.runN)Ú__name__Ú __module__Ú__qualname__rr%r3r r r r!r0s récCsædd„}t|ƒ}|dkrâ|d8}tdd}|durB||||ƒs\qnt dt|ƒ¡| |¡|sjt d ¡td d}||||ƒs‚qtƒtdd}||||ƒs q|s®t d ¡tƒtd d}t dt|ƒ¡|j |ddddSdS)a Send messages to put an ECU into diagnostic/programming state. :param sock: socket for communication. :param broadcast_socket: socket for broadcasting. If provided some message will be sent as broadcast. Recommended when used on a network with several ECUs. :param timeout: timeout for sending, receiving or sniffing packages. :param retry: number of retries in case of failure. :param unittest: disable delays :return: True on success else False cSs(t dt|ƒ¡|j||dd}t|ƒS)Nú Sending %sF©r+r*)rrrr/r")r'Úreqr+rr r r!Ú_send_and_check_response[sz7GMLAN_InitDiagnostics.._send_and_check_responserr7ZDisableNormalCommunicationr#NzSending %s as broadcastgš™™™™™©?ZReportProgrammingStateZrequestProgrammingMode©ÚsubfunctionZenableProgrammingModer8gü©ñÒMbP?Fr9T) ÚabsrrrrÚsendr0r1r r/)r'Zbroadcast_socketr+ÚretryÚunittestr;r2r r r!rFs2 rc Csht|ƒ}|durdS|ddkr.t d¡dS|dkrd|d8}tƒt|d}t d¡|j||dd }t|ƒs¬|dur |jd kr |r t d¡|s t d¡t d ¡q.tt|ƒj }|dkrÎt d¡dStƒt|d||ƒd} t d¡|j| |dd }|durt d¡q.t dt|ƒ¡|jdkrBt d¡dS|jdkr.|jdkr.t d¡q.q.dS)aš Authenticate on ECU. Implements Seey-Key procedure. :param sock: socket to send the message on. :param key_function: function implementing the key algorithm. :param level: level of access :param timeout: timeout for sending, receiving or sniffing packages. :param retry: number of retries in case of failure. :param unittest: disable internal delays :return: True on success. NFr$rz-Parameter Error: Level must be an odd number.r7r<zRequesting seed..r9é7z&RequiredTimeDelayNotExpired. Wait 10s.é zNegative Response.z/ECU security already unlocked. (seed is 0x0000)T)r=ZsecurityKeyzResponding with key..rrégzSecurityAccess granted.ré5zKey invalid)r>rÚwarningrrrr/r"Z returnCoder0r1rr ZsecuritySeedrr) r'Zkey_functionÚlevelr+r@rAÚrequestrÚseedZkeypktr r r!r‡sL ÿ rcCs\t|ƒ}|dkrXtƒt|d}|j||dd}t|ƒrrrr/r"rr)r'Úlengthr+r@r(rr r r!rÉsrcCs t|ƒ}|}tjdd}|dks2|dd|krLt dt|ƒt|ƒ¡dS|dush|dksh|d |krpd |}tt|ƒ}t dt |ƒ|ƒD]}|}t ||d…ƒ|kr¸||||…} n||d…} tƒt||| d } |j | |dd}t|ƒrôqŠ|d8}|dkrt d ¡q’dSq’qŠdS)aí Send TransferData message. Usually used after calling RequestDownload. :param sock: socket to send the message on. :param addr: destination memory address on the ECU. :param payload: data to be sent. :param maxmsglen: maximum length of a single iso-tp message. default: maximum length :param timeout: timeout for sending, receiving or sniffing packages. :param retry: number of retries in case of failure. :return: True on success. rÚGMLAN_ECU_AddressingSchemerr$éú'Error: Invalid address %s for scheme %sFNiý)ZstartingAddressÚ dataRecordr9r7rKT)r>rÚcontribsrrFÚhexÚstrrÚintÚrangeÚlenrr r/r"r)r'ÚaddrÚpayloadÚ maxmsglenr+r@Z startretryÚschemeÚiZ transdatar(rr r r!rãs6ÿ ÿ rcCs4t|t|ƒ||dsdSt||||||ds0dSdS)aÁ Send data by using GMLAN services. :param sock: socket to send the data on. :param addr: destination memory address on the ECU. :param payload: data to be sent. :param maxmsglen: maximum length of a single iso-tp message. default: maximum length :param timeout: timeout for sending, receiving or sniffing packages. :param retry: number of retries in case of failure. :return: True on success. )r+r@F)rYr+r@T)rrVr)r'rWrXrYr+r@r r r!rsÿ ÿrcCsÞt|ƒ}tjdd}|dks.|dd|krHt dt|ƒt|ƒ¡dS|dks\|d|kr€t d t|ƒt|ƒtd|ƒ¡dS|dkrÚtƒt||d }|j ||dd}t |ƒr¾tt|ƒj S|d 8}|dkr€t d¡q€dS)aC Read data from ECU memory. :param sock: socket to send the data on. :param addr: source memory address on the ECU. :param length: bytes to read. :param timeout: timeout for sending, receiving or sniffing packages. :param retry: number of retries in case of failure. :return: bytes red or None rrMrr$rNrONiþzAError: Invalid length %s for scheme %s. Choose between 0x1 and %s)Z memoryAddressrJFr9r7rK)r>rrQrrFrRrSrrr/r"rr rPr)r'rWrLr+r@rZr(rr r r!r:s*ÿþrcCst|ddtdddS)z› Returns a GMLAN broadcast socket using interface. :param interface: interface name :return: ISOTPSocket configured as GMLAN Broadcast Socket iréþT)Ztx_idZrx_idZbaseclsZext_addressÚpadding)rr)Ú interfacer r r!rfs ÿr)Nr7rF)r7NrF)Nr)NNr)NNr)Nr)%r0Zscapy.compatrrrZscapy.contrib.automotiverZ!scapy.contrib.automotive.gm.gmlanrrrr r rZscapy.configrZscapy.packetr Zscapy.supersocketrZscapy.contrib.isotprZscapy.utilsrÚ__all__ÚinforQÚKeyErrorr"rrrrrrrrr r r r!Ú sN û Dú B ú >ú !û ,