X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/e619ddc071e882bb9de75d2e0905c4eda2b11516..633d06868280966024c00e50e6770c8b34d3d2e5:/client/cmdhf.c diff --git a/client/cmdhf.c b/client/cmdhf.c index 1aa656ee..bc8d2ecc 100644 --- a/client/cmdhf.c +++ b/client/cmdhf.c @@ -370,19 +370,37 @@ void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) { // 1 = read // 0 = write // Quite simpel tag -void annotateLegic(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize){ - - if ( cmdsize > 1) { - switch(cmd[0]) { - case LEGIC_READ :snprintf(exp, size, "READ Byte(%d)", cmd[1]);break; - case LEGIC_WRITE :snprintf(exp, size, "WRITE Byte(%d)", cmd[1]);break; - default :snprintf(exp, size, "?"); break; - } - } else { - switch(cmd[0]) { - case LEGIC_HSK :snprintf(exp, size, "END Handshake");break; - default :snprintf(exp, size, "?"); break; - } +void annotateLegic(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize){ + uint8_t bitsend = cmd[0]; + switch (bitsend){ + case 7: + snprintf(exp, size, "IV 0x%02X", cmd[1]); + break; + case 6: { + switch ( cmd[1] ) { + case LEGIC_MIM_22: snprintf(exp, size, "MIM22"); break; + case LEGIC_MIM_256: snprintf(exp, size, "MIM256"); break; + case LEGIC_MIM_1024: snprintf(exp, size, "MIM1024"); break; + case LEGIC_ACK_22: snprintf(exp, size, "ACK 22"); break; + case LEGIC_ACK_256: snprintf(exp, size, "ACK 256/1024"); break; + } + break; + } + case 9: + case 11: { + uint8_t cmdBit = (cmd[1] & 1); + uint16_t address = (cmd[2] << 7) | cmd[1] >> 1; + + if (cmdBit == LEGIC_READ) + snprintf(exp, size, "READ Byte(%d)", address); + + if (cmdBit == LEGIC_WRITE ) + snprintf(exp, size, "WRITE Byte(%d)", address); + break; + } + case 12: + default: + break; } } @@ -497,20 +515,6 @@ uint8_t iclass_CRC_check(bool isResponse, uint8_t* data, uint8_t len) } } -uint8_t legic_CRC_check(bool isResponse, uint8_t* data, uint8_t len){ - if (len > 2) return 2; - - uint8_t calccrc = CRC8Legic(data, len); - - return 0; - // crc_init(&legic_crc, 4, 0x19 >> 1, 0x5, 0); - // crc_clear(&legic_crc); - // crc_update(&legic_crc, 1, 1); /* CMD_READ */ - // crc_update(&legic_crc, byte_index, cmd_sz-1); - // crc_update(&legic_crc, value, 8); - // return crc_finish(&legic_crc); -} - bool is_last_record(uint16_t tracepos, uint8_t *trace, uint16_t traceLen) { return(tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) >= traceLen); @@ -627,8 +631,6 @@ uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, ui default: break; } - } else if ( data_len == 2 && protocol == LEGIC ){ - crcStatus = legic_CRC_check(isResponse, frame, data_len); } //0 CRC-command, CRC not ok //1 CRC-command, CRC ok @@ -646,9 +648,8 @@ uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, ui oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01); } uint8_t parityBits = parityBytes[j>>3]; - if (protocol != ISO_14443B && protocol != ISO_7816_4 && (isResponse || protocol == ISO_14443A) && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) { + if (protocol != LEGIC && protocol != ISO_14443B && protocol != ISO_7816_4 && (isResponse || protocol == ISO_14443A) && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) { snprintf(line[j/16]+(( j % 16) * 4),110, "%02x! ", frame[j]); - } else { snprintf(line[j/16]+(( j % 16) * 4),110, "%02x ", frame[j]); } @@ -665,14 +666,20 @@ uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, ui } } - if (data_len == 0 ) + if (data_len == 0 ) { sprintf(line[0],""); + return tracepos; + } - //--- Draw the CRC column + // Draw the CRC column char *crc = (crcStatus == 0 ? "!crc" : (crcStatus == 1 ? " ok " : " ")); EndOfTransmissionTimestamp = timestamp + duration; + // Always annotate LEGIC read/tag + if ( protocol == LEGIC ) + annotateLegic(explanation,sizeof(explanation),frame,data_len); + if (!isResponse) { switch(protocol) { case ICLASS: annotateIclass(explanation,sizeof(explanation),frame,data_len); break; @@ -681,7 +688,7 @@ uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, ui case ISO_14443B: annotateIso14443b(explanation,sizeof(explanation),frame,data_len); break; case TOPAZ: annotateTopaz(explanation,sizeof(explanation),frame,data_len); break; case ISO_7816_4: annotateIso7816(explanation,sizeof(explanation),frame,data_len); break; - case LEGIC: annotateLegic(explanation,sizeof(explanation),frame,data_len); break; + default: break; } } @@ -689,7 +696,7 @@ uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, ui int num_lines = MIN((data_len - 1)/16 + 1, 16); for (int j = 0; j < num_lines ; j++) { if (j == 0) { - PrintAndLog(" %10d | %10d | %s |%-64s | %s| %s", + PrintAndLog(" %10u | %10u | %s |%-64s | %s| %s", (timestamp - first_timestamp), (EndOfTransmissionTimestamp - first_timestamp), (isResponse ? "Tag" : "Rdr"), @@ -708,7 +715,7 @@ uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, ui if (showWaitCycles && !isResponse && next_record_is_response(tracepos, trace)) { uint32_t next_timestamp = *((uint32_t *)(trace + tracepos)); - PrintAndLog(" %10d | %10d | %s |fdt (Frame Delay Time): %d", + PrintAndLog(" %10u | %10u | %s |fdt (Frame Delay Time): %d", (EndOfTransmissionTimestamp - first_timestamp), (next_timestamp - first_timestamp), " ", @@ -825,8 +832,12 @@ int CmdHFList(const char *Cmd) { PrintAndLog("Recorded Activity (TraceLen = %d bytes)", traceLen); PrintAndLog(""); PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer"); - PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)"); - PrintAndLog("iClass - Timings are not as accurate"); + if ( protocol == ISO_14443A ) + PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)"); + if ( protocol == ICLASS ) + PrintAndLog("iClass - Timings are not as accurate"); + if ( protocol == LEGIC ) + PrintAndLog("LEGIC - Timings are in ticks (1us == 1.5ticks)"); PrintAndLog(""); PrintAndLog(" Start | End | Src | Data (! denotes parity error) | CRC | Annotation |"); PrintAndLog("------------|------------|-----|-----------------------------------------------------------------|-----|--------------------|"); @@ -871,6 +882,12 @@ int CmdHFSearch(const char *Cmd){ PrintAndLog("\nValid Topaz Tag Found - Quiting Search\n"); return 1; } + ans = HFLegicReader("", false); + if ( ans == 0) { + PrintAndLog("\nValid LEGIC Tag Found - Quiting Search\n"); + return 1; + } + PrintAndLog("\nno known/supported 13.56 MHz tags found\n"); return 0; }