From: Martin Holst Swende Date: Sat, 7 Feb 2015 19:49:40 +0000 (+0100) Subject: Generic tracing; removed iso14a_XX-functions, removed traceLen as global varible X-Git-Tag: v2.0.0-rc1~23^2~4 X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/commitdiff_plain/3000dc4e7e72dd8661d174f7bcde511ff73eb99f?ds=sidebyside Generic tracing; removed iso14a_XX-functions, removed traceLen as global varible --- diff --git a/armsrc/BigBuf.c b/armsrc/BigBuf.c index 7f56e9a0..1b5e5482 100644 --- a/armsrc/BigBuf.c +++ b/armsrc/BigBuf.c @@ -26,10 +26,9 @@ static uint16_t BigBuf_hi = BIGBUF_SIZE; // pointer to the emulator memory. static uint8_t *emulator_memory = NULL; -// trace related global variables -// (only one left). ToDo: make this static as well? -uint16_t traceLen = 0; - +// trace related variables +static uint16_t traceLen = 0; +int tracing = 1; //Last global one.. todo static? // get the address of BigBuf uint8_t *BigBuf_get_addr(void) @@ -95,3 +94,92 @@ uint16_t BigBuf_max_traceLen(void) { return BigBuf_hi; } + +void clear_trace() { + uint8_t *trace = BigBuf_get_addr(); + uint16_t max_traceLen = BigBuf_max_traceLen(); + memset(trace, 0x44, max_traceLen); + traceLen = 0; +} + +void set_tracing(bool enable) { + tracing = enable; +} + +/** + * Get the number of bytes traced + * @return + */ +uint16_t BigBuf_get_traceLen(void) +{ + return traceLen; +} + +/** + This is a function to store traces. All protocols can use this generic tracer-function. + The traces produced by calling this function can be fetched on the client-side + by 'hf list raw', alternatively 'hf list ' for protocol-specific + annotation of commands/responses. + +**/ +bool RAMFUNC LogTrace(const uint8_t *btBytes, uint16_t iLen, uint32_t timestamp_start, uint32_t timestamp_end, uint8_t *parity, bool readerToTag) +{ + if (!tracing) return FALSE; + + uint8_t *trace = BigBuf_get_addr(); + + uint16_t num_paritybytes = (iLen-1)/8 + 1; // number of valid paritybytes in *parity + uint16_t duration = timestamp_end - timestamp_start; + + // Return when trace is full + uint16_t max_traceLen = BigBuf_max_traceLen(); + + if (traceLen + sizeof(iLen) + sizeof(timestamp_start) + sizeof(duration) + num_paritybytes + iLen >= max_traceLen) { + tracing = FALSE; // don't trace any more + return FALSE; + } + // Traceformat: + // 32 bits timestamp (little endian) + // 16 bits duration (little endian) + // 16 bits data length (little endian, Highest Bit used as readerToTag flag) + // y Bytes data + // x Bytes parity (one byte per 8 bytes data) + + // timestamp (start) + trace[traceLen++] = ((timestamp_start >> 0) & 0xff); + trace[traceLen++] = ((timestamp_start >> 8) & 0xff); + trace[traceLen++] = ((timestamp_start >> 16) & 0xff); + trace[traceLen++] = ((timestamp_start >> 24) & 0xff); + + // duration + trace[traceLen++] = ((duration >> 0) & 0xff); + trace[traceLen++] = ((duration >> 8) & 0xff); + + // data length + trace[traceLen++] = ((iLen >> 0) & 0xff); + trace[traceLen++] = ((iLen >> 8) & 0xff); + + // readerToTag flag + if (!readerToTag) { + trace[traceLen - 1] |= 0x80; + } + + // data bytes + if (btBytes != NULL && iLen != 0) { + memcpy(trace + traceLen, btBytes, iLen); + } + traceLen += iLen; + + // parity bytes + if (parity != NULL && iLen != 0) { + memcpy(trace + traceLen, parity, num_paritybytes); + } + traceLen += num_paritybytes; + + if(traceLen +4 < max_traceLen) + { //If it hadn't been cleared, for whatever reason.. + memset(trace+traceLen,0x44, 4); + } + + return TRUE; +} diff --git a/armsrc/BigBuf.h b/armsrc/BigBuf.h index 9d89a4f0..5cca1000 100644 --- a/armsrc/BigBuf.h +++ b/armsrc/BigBuf.h @@ -29,6 +29,9 @@ extern uint8_t *BigBuf_malloc(uint16_t); extern void BigBuf_free(void); extern void BigBuf_free_keep_EM(void); -extern uint16_t traceLen; +uint16_t BigBuf_get_traceLen(void); +void clear_trace(); +void set_tracing(bool enable); +bool RAMFUNC LogTrace(const uint8_t *btBytes, uint16_t iLen, uint32_t timestamp_start, uint32_t timestamp_end, uint8_t *parity, bool readerToTag); #endif /* __BIGBUF_H */ diff --git a/armsrc/appmain.c b/armsrc/appmain.c index 7c50a51e..bbf772ac 100644 --- a/armsrc/appmain.c +++ b/armsrc/appmain.c @@ -24,6 +24,7 @@ #include "legicrf.h" #include #include "lfsampling.h" +#include "BigBuf.h" #ifdef WITH_LCD #include "LCD.h" #endif @@ -916,10 +917,10 @@ void UsbPacketReceived(uint8_t *packet, int len) uint8_t *BigBuf = BigBuf_get_addr(); for(size_t i=0; iarg[1]; i += USB_CMD_DATA_SIZE) { size_t len = MIN((c->arg[1] - i),USB_CMD_DATA_SIZE); - cmd_send(CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K,i,len,traceLen,BigBuf+c->arg[0]+i,len); + cmd_send(CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K,i,len,BigBuf_get_traceLen(),BigBuf+c->arg[0]+i,len); } // Trigger a finish downloading signal with an ACK frame - cmd_send(CMD_ACK,1,0,traceLen,getSamplingConfig(),sizeof(sample_config)); + cmd_send(CMD_ACK,1,0,BigBuf_get_traceLen(),getSamplingConfig(),sizeof(sample_config)); LED_B_OFF(); break; diff --git a/armsrc/apps.h b/armsrc/apps.h index 58a2a621..0f7714e7 100644 --- a/armsrc/apps.h +++ b/armsrc/apps.h @@ -148,8 +148,7 @@ void ReaderIso14443a(UsbCommand * c); bool RAMFUNC LogTrace(const uint8_t *btBytes, uint16_t len, uint32_t timestamp_start, uint32_t timestamp_end, uint8_t *parity, bool readerToTag); void GetParity(const uint8_t *pbtCmd, uint16_t len, uint8_t *parity); void iso14a_set_trigger(bool enable); -void iso14a_clear_trace(); -void iso14a_set_tracing(bool enable); + void RAMFUNC SniffMifare(uint8_t param); /// epa.h diff --git a/armsrc/hitag2.c b/armsrc/hitag2.c index 4a2d9d9d..7ca79930 100644 --- a/armsrc/hitag2.c +++ b/armsrc/hitag2.c @@ -742,8 +742,8 @@ void SnoopHitag(uint32_t type) { memset(auth_table, 0x00, AUTH_TABLE_LENGTH); // Clean up trace and prepare it for storing frames - iso14a_set_tracing(TRUE); - iso14a_clear_trace(); + set_tracing(TRUE); + clear_trace(); DbpString("Starting Hitag2 snoop"); LED_D_ON(); @@ -955,8 +955,8 @@ void SimulateHitagTag(bool tag_mem_supplied, byte_t* data) { memset(auth_table, 0x00, AUTH_TABLE_LENGTH); // Clean up trace and prepare it for storing frames - iso14a_set_tracing(TRUE); - iso14a_clear_trace(); + set_tracing(TRUE); + clear_trace(); DbpString("Starting Hitag2 simulation"); LED_D_ON(); @@ -1142,8 +1142,8 @@ void ReaderHitag(hitag_function htf, hitag_data* htd) { bSuccessful = false; // Clean up trace and prepare it for storing frames - iso14a_set_tracing(TRUE); - iso14a_clear_trace(); + set_tracing(TRUE); + clear_trace(); DbpString("Starting Hitag reader family"); diff --git a/armsrc/iclass.c b/armsrc/iclass.c index 1a375118..41c9b8b5 100644 --- a/armsrc/iclass.c +++ b/armsrc/iclass.c @@ -652,9 +652,8 @@ void RAMFUNC SnoopIClass(void) // The DMA buffer, used to stream samples from the FPGA uint8_t *dmaBuf = BigBuf_malloc(DMA_BUFFER_SIZE); - // reset traceLen to 0 - iso14a_set_tracing(TRUE); - iso14a_clear_trace(); + set_tracing(TRUE); + clear_trace(); iso14a_set_trigger(FALSE); int lastRxCounter; @@ -805,12 +804,12 @@ void RAMFUNC SnoopIClass(void) DbpString("COMMAND FINISHED"); Dbprintf("%x %x %x", maxBehindBy, Uart.state, Uart.byteCnt); - Dbprintf("%x %x %x", Uart.byteCntMax, traceLen, (int)Uart.output[0]); + Dbprintf("%x %x %x", Uart.byteCntMax, BigBuf_get_traceLen(), (int)Uart.output[0]); done: AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTDIS; Dbprintf("%x %x %x", maxBehindBy, Uart.state, Uart.byteCnt); - Dbprintf("%x %x %x", Uart.byteCntMax, traceLen, (int)Uart.output[0]); + Dbprintf("%x %x %x", Uart.byteCntMax, BigBuf_get_traceLen(), (int)Uart.output[0]); LED_A_OFF(); LED_B_OFF(); LED_C_OFF(); @@ -987,8 +986,8 @@ void SimulateIClass(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain FpgaDownloadAndGo(FPGA_BITSTREAM_HF); // Enable and clear the trace - iso14a_set_tracing(TRUE); - iso14a_clear_trace(); + set_tracing(TRUE); + clear_trace(); uint8_t csn_crc[] = { 0x03, 0x1f, 0xec, 0x8a, 0xf7, 0xff, 0x12, 0xe0, 0x00, 0x00 }; if(simType == 0) { @@ -1488,8 +1487,8 @@ void setupIclassReader() { FpgaDownloadAndGo(FPGA_BITSTREAM_HF); // Reset trace buffer - iso14a_set_tracing(TRUE); - iso14a_clear_trace(); + set_tracing(TRUE); + clear_trace(); // Setup SSC FpgaSetupSsc(); @@ -1585,14 +1584,14 @@ void ReaderIClass(uint8_t arg0) { int read_status= 0; bool abort_after_read = arg0 & FLAG_ICLASS_READER_ONLY_ONCE; bool get_cc = arg0 & FLAG_ICLASS_READER_GET_CC; - + set_tracing(TRUE); setupIclassReader(); size_t datasize = 0; while(!BUTTON_PRESS()) { - if(traceLen > BigBuf_max_traceLen()) { + if(!tracing) { DbpString("Trace full"); break; } @@ -1658,13 +1657,13 @@ void ReaderIClass_Replay(uint8_t arg0, uint8_t *MAC) { uint8_t resp[ICLASS_BUFFER_SIZE]; setupIclassReader(); - + set_tracing(TRUE); while(!BUTTON_PRESS()) { WDT_HIT(); - if(traceLen > BigBuf_max_traceLen()) { + if(!tracing) { DbpString("Trace full"); break; } diff --git a/armsrc/iso14443.c b/armsrc/iso14443.c index 92d05782..c7f49f14 100644 --- a/armsrc/iso14443.c +++ b/armsrc/iso14443.c @@ -1192,7 +1192,7 @@ void RAMFUNC SnoopIso14443(void) Dbprintf(" Uart State: %x", Uart.state); Dbprintf(" Uart ByteCnt: %i", Uart.byteCnt); Dbprintf(" Uart ByteCntMax: %i", Uart.byteCntMax); - Dbprintf(" Trace length: %i", traceLen); + Dbprintf(" Trace length: %i", BigBuf_get_traceLen()); } /* diff --git a/armsrc/iso14443a.c b/armsrc/iso14443a.c index 336250ed..05ffb941 100644 --- a/armsrc/iso14443a.c +++ b/armsrc/iso14443a.c @@ -20,7 +20,7 @@ #include "iso14443a.h" #include "crapto1.h" #include "mifareutil.h" - +#include "BigBuf.h" static uint32_t iso14a_timeout; int rsamples = 0; uint8_t trigger = 0; @@ -549,8 +549,8 @@ void RAMFUNC SnoopIso14443a(uint8_t param) { uint8_t *dmaBuf = BigBuf_malloc(DMA_BUFFER_SIZE); // init trace buffer - iso14a_clear_trace(); - iso14a_set_tracing(TRUE); + clear_trace(); + set_tracing(TRUE); uint8_t *data = dmaBuf; uint8_t previous_data = 0; @@ -674,7 +674,7 @@ void RAMFUNC SnoopIso14443a(uint8_t param) { FpgaDisableSscDma(); Dbprintf("maxDataLen=%d, Uart.state=%x, Uart.len=%d", maxDataLen, Uart.state, Uart.len); - Dbprintf("traceLen=%d, Uart.output[0]=%08x", traceLen, (uint32_t)Uart.output[0]); + Dbprintf("traceLen=%d, Uart.output[0]=%08x", BigBuf_get_traceLen(), (uint32_t)Uart.output[0]); LEDsoff(); } @@ -1010,8 +1010,8 @@ void SimulateIso14443aTag(int tagType, int uid_1st, int uid_2nd, byte_t* data) free_buffer_pointer = BigBuf_malloc(ALLOCATED_TAG_MODULATION_BUFFER_SIZE); // clear trace - iso14a_clear_trace(); - iso14a_set_tracing(TRUE); + clear_trace(); + set_tracing(TRUE); // Prepare the responses of the anticollision phase // there will be not enough time to do this at the moment the reader sends it REQA @@ -1867,10 +1867,10 @@ void ReaderIso14443a(UsbCommand *c) uint8_t par[MAX_PARITY_SIZE]; if(param & ISO14A_CONNECT) { - iso14a_clear_trace(); + clear_trace(); } - iso14a_set_tracing(TRUE); + set_tracing(TRUE); if(param & ISO14A_REQUEST_TRIGGER) { iso14a_set_trigger(TRUE); @@ -1966,8 +1966,8 @@ void ReaderMifare(bool first_try) // free eventually allocated BigBuf memory. We want all for tracing. BigBuf_free(); - iso14a_clear_trace(); - iso14a_set_tracing(TRUE); + clear_trace(); + set_tracing(TRUE); byte_t nt_diff = 0; uint8_t par[1] = {0}; // maximum 8 Bytes to be sent here, 1 byte parity is therefore enough @@ -2140,7 +2140,7 @@ void ReaderMifare(bool first_try) FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); LEDsoff(); - iso14a_set_tracing(FALSE); + set_tracing(FALSE); } /** @@ -2198,8 +2198,8 @@ void Mifare1ksim(uint8_t flags, uint8_t exitAfterNReads, uint8_t arg2, uint8_t * // free eventually allocated BigBuf memory but keep Emulator Memory BigBuf_free_keep_EM(); // clear trace - iso14a_clear_trace(); - iso14a_set_tracing(TRUE); + clear_trace(); + set_tracing(TRUE); // Authenticate response - nonce uint32_t nonce = bytes_to_num(rAUTH_NT, 4); @@ -2644,7 +2644,7 @@ void Mifare1ksim(uint8_t flags, uint8_t exitAfterNReads, uint8_t arg2, uint8_t * } } } - if (MF_DBGLEVEL >= 1) Dbprintf("Emulator stopped. Tracing: %d trace length: %d ", tracing, traceLen); + if (MF_DBGLEVEL >= 1) Dbprintf("Emulator stopped. Tracing: %d trace length: %d ", tracing, BigBuf_get_traceLen()); } @@ -2661,8 +2661,8 @@ void RAMFUNC SniffMifare(uint8_t param) { // C(red) A(yellow) B(green) LEDsoff(); // init trace buffer - iso14a_clear_trace(); - iso14a_set_tracing(TRUE); + clear_trace(); + set_tracing(TRUE); // The command (reader -> tag) that we're receiving. // The length of a received command will in most cases be no more than 18 bytes. diff --git a/armsrc/mifarecmd.c b/armsrc/mifarecmd.c index 4279e63f..a16cbf16 100644 --- a/armsrc/mifarecmd.c +++ b/armsrc/mifarecmd.c @@ -41,7 +41,7 @@ void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) pcs = &mpcs; // clear trace - iso14a_clear_trace(); + clear_trace(); iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); LED_A_ON(); @@ -98,7 +98,7 @@ void MifareUC_Auth1(uint8_t arg0, uint8_t *datain){ LED_B_OFF(); LED_C_OFF(); - iso14a_clear_trace(); + clear_trace(); iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); if(!iso14443a_select_card(uid, NULL, &cuid)) { @@ -162,7 +162,7 @@ void MifareUReadBlock(uint8_t arg0,uint8_t *datain) LED_B_OFF(); LED_C_OFF(); - iso14a_clear_trace(); + clear_trace(); iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); int len = iso14443a_select_card(uid, NULL, &cuid); @@ -213,7 +213,7 @@ void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) pcs = &mpcs; // clear trace - iso14a_clear_trace(); + clear_trace(); iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); @@ -276,7 +276,7 @@ void MifareUReadCard(uint8_t arg0, int arg1, uint8_t *datain) if (MF_DBGLEVEL >= MF_DBG_ALL) Dbprintf("Pages %d",Pages); - iso14a_clear_trace(); + clear_trace(); iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); int len = iso14443a_select_card(uid, NULL, &cuid); @@ -350,7 +350,7 @@ void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) pcs = &mpcs; // clear trace - iso14a_clear_trace(); + clear_trace(); iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); @@ -411,7 +411,7 @@ void MifareUWriteBlock(uint8_t arg0, uint8_t *datain) uint8_t uid[10] = {0x00}; uint32_t cuid; - iso14a_clear_trace(); + clear_trace(); iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); LED_A_ON(); @@ -458,7 +458,7 @@ void MifareUWriteBlock_Special(uint8_t arg0, uint8_t *datain) uint8_t uid[10] = {0x00}; uint32_t cuid; - iso14a_clear_trace(); + clear_trace(); iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); LED_A_ON(); @@ -537,8 +537,8 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat // free eventually allocated BigBuf memory BigBuf_free(); // clear trace - iso14a_clear_trace(); - iso14a_set_tracing(false); + clear_trace(); + set_tracing(false); iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); @@ -709,7 +709,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); LEDsoff(); - iso14a_set_tracing(TRUE); + set_tracing(TRUE); } //----------------------------------------------------------------------------- @@ -738,8 +738,8 @@ void MifareChkKeys(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) MF_DBGLEVEL = MF_DBG_NONE; // clear trace - iso14a_clear_trace(); - iso14a_set_tracing(TRUE); + clear_trace(); + set_tracing(TRUE); iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); @@ -829,8 +829,8 @@ void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai uint8_t uid[10]; // clear trace - iso14a_clear_trace(); - iso14a_set_tracing(false); + clear_trace(); + set_tracing(false); iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); @@ -931,8 +931,8 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai LED_B_OFF(); LED_C_OFF(); - iso14a_clear_trace(); - iso14a_set_tracing(TRUE); + clear_trace(); + set_tracing(TRUE); iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); } @@ -1049,8 +1049,8 @@ void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai LED_B_OFF(); LED_C_OFF(); - iso14a_clear_trace(); - iso14a_set_tracing(TRUE); + clear_trace(); + set_tracing(TRUE); iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); } @@ -1136,7 +1136,7 @@ void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){ uint8_t uid[10] = {0x00}; uint32_t cuid; - iso14a_clear_trace(); + clear_trace(); iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); int len = iso14443a_select_card(uid, NULL, &cuid); @@ -1183,4 +1183,4 @@ void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){ cmd_send(CMD_ACK, isOK, 0, 0, dataout, sizeof(dataout)); FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); LEDsoff(); -} +} diff --git a/armsrc/mifaresniff.c b/armsrc/mifaresniff.c index 59e84697..0cc2963b 100644 --- a/armsrc/mifaresniff.c +++ b/armsrc/mifaresniff.c @@ -139,7 +139,7 @@ bool RAMFUNC MfSniffLogic(const uint8_t *data, uint16_t len, uint8_t *parity, ui } bool RAMFUNC MfSniffSend(uint16_t maxTimeoutMs) { - if (traceLen && (GetTickCount() > timerData + maxTimeoutMs)) { + if (BigBuf_get_traceLen() && (GetTickCount() > timerData + maxTimeoutMs)) { return intMfSniffSend(); } return FALSE; @@ -149,7 +149,7 @@ bool RAMFUNC MfSniffSend(uint16_t maxTimeoutMs) { bool intMfSniffSend() { int pckSize = 0; - int pckLen = traceLen; + int pckLen = BigBuf_get_traceLen(); int pckNum = 0; uint8_t *trace = BigBuf_get_addr(); @@ -157,7 +157,7 @@ bool intMfSniffSend() { while (pckLen > 0) { pckSize = MIN(USB_CMD_DATA_SIZE, pckLen); LED_B_ON(); - cmd_send(CMD_ACK, 1, traceLen, pckSize, trace + traceLen - pckLen, pckSize); + cmd_send(CMD_ACK, 1, BigBuf_get_traceLen(), pckSize, trace + BigBuf_get_traceLen() - pckLen, pckSize); LED_B_OFF(); pckLen -= pckSize; @@ -168,7 +168,7 @@ bool intMfSniffSend() { cmd_send(CMD_ACK,2,0,0,0,0); LED_B_OFF(); - iso14a_clear_trace(); + clear_trace(); return TRUE; } diff --git a/armsrc/util.c b/armsrc/util.c index 4948fce8..88931927 100644 --- a/armsrc/util.c +++ b/armsrc/util.c @@ -14,7 +14,6 @@ #include "apps.h" #include "BigBuf.h" -int tracing = TRUE; void print_result(char *name, uint8_t *buf, size_t len) { @@ -429,91 +428,4 @@ uint32_t RAMFUNC GetCountSspClk(){ return tmp_count; } } -void iso14a_clear_trace() { - clear_trace(); -} - -void iso14a_set_tracing(bool enable) { - set_tracing(enable); -} - -void clear_trace() { - uint8_t *trace = BigBuf_get_addr(); - uint16_t max_traceLen = BigBuf_max_traceLen(); - memset(trace, 0x44, max_traceLen); - traceLen = 0; -} - -void set_tracing(bool enable) { - tracing = enable; -} - -/** - This is a function to store traces. All protocols can use this generic tracer-function. - The traces produced by calling this function can be fetched on the client-side - by 'hf list raw', alternatively 'hf list ' for protocol-specific - annotation of commands/responses. - -**/ -bool RAMFUNC LogTrace(const uint8_t *btBytes, uint16_t iLen, uint32_t timestamp_start, uint32_t timestamp_end, uint8_t *parity, bool readerToTag) -{ - if (!tracing) return FALSE; - - uint8_t *trace = BigBuf_get_addr(); - - uint16_t num_paritybytes = (iLen-1)/8 + 1; // number of valid paritybytes in *parity - uint16_t duration = timestamp_end - timestamp_start; - - // Return when trace is full - uint16_t max_traceLen = BigBuf_max_traceLen(); - - if (traceLen + sizeof(iLen) + sizeof(timestamp_start) + sizeof(duration) + num_paritybytes + iLen >= max_traceLen) { - tracing = FALSE; // don't trace any more - return FALSE; - } - // Traceformat: - // 32 bits timestamp (little endian) - // 16 bits duration (little endian) - // 16 bits data length (little endian, Highest Bit used as readerToTag flag) - // y Bytes data - // x Bytes parity (one byte per 8 bytes data) - - // timestamp (start) - trace[traceLen++] = ((timestamp_start >> 0) & 0xff); - trace[traceLen++] = ((timestamp_start >> 8) & 0xff); - trace[traceLen++] = ((timestamp_start >> 16) & 0xff); - trace[traceLen++] = ((timestamp_start >> 24) & 0xff); - - // duration - trace[traceLen++] = ((duration >> 0) & 0xff); - trace[traceLen++] = ((duration >> 8) & 0xff); - - // data length - trace[traceLen++] = ((iLen >> 0) & 0xff); - trace[traceLen++] = ((iLen >> 8) & 0xff); - - // readerToTag flag - if (!readerToTag) { - trace[traceLen - 1] |= 0x80; - } - - // data bytes - if (btBytes != NULL && iLen != 0) { - memcpy(trace + traceLen, btBytes, iLen); - } - traceLen += iLen; - - // parity bytes - if (parity != NULL && iLen != 0) { - memcpy(trace + traceLen, parity, num_paritybytes); - } - traceLen += num_paritybytes; - - if(traceLen +4 < max_traceLen) - { //If it hadn't been cleared, for whatever reason.. - memset(trace+traceLen,0x44, 4); - } - - return TRUE; -} diff --git a/armsrc/util.h b/armsrc/util.h index e0066302..bf5d0cc8 100644 --- a/armsrc/util.h +++ b/armsrc/util.h @@ -43,15 +43,6 @@ void LEDsoff(); int BUTTON_CLICKED(int ms); int BUTTON_HELD(int ms); void FormatVersionInformation(char *dst, int len, const char *prefix, void *version_information); -// @deprecated -void iso14a_clear_trace(); -// @deprecated -void iso14a_set_tracing(bool enable); -void clear_trace(); -void set_tracing(bool enable); - -// The function LogTrace() is also used by the iClass implementation in iclass.c and both iso14443a, iso14443b and mifare -bool RAMFUNC LogTrace(const uint8_t *btBytes, uint16_t iLen, uint32_t timestamp_start, uint32_t timestamp_end, uint8_t *parity, bool readerToTag); void StartTickCount(); uint32_t RAMFUNC GetTickCount();