X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/a61b4976bd2085bf0495855b48fcad0d9ed4572e..7b40affb6f7087e116bccff352923834dcdc8d46:/client/cmdlfem4x.c diff --git a/client/cmdlfem4x.c b/client/cmdlfem4x.c index d371bf27..f6671bcd 100644 --- a/client/cmdlfem4x.c +++ b/client/cmdlfem4x.c @@ -1,4 +1,4 @@ - //----------------------------------------------------------------------------- +//----------------------------------------------------------------------------- // Copyright (C) 2010 iZsh // // This code is licensed to you under the terms of the GNU GPL, version 2 or, @@ -13,21 +13,26 @@ #include #include "proxmark3.h" #include "ui.h" +#include "util.h" #include "graph.h" -#include "cmdmain.h" #include "cmdparser.h" #include "cmddata.h" #include "cmdlf.h" #include "cmdlfem4x.h" -#include "util.h" -#include "data.h" -#define LF_TRACE_BUFF_SIZE 12000 -#define LF_BITSSTREAM_LEN 1000 - char *global_em410xId; static int CmdHelp(const char *Cmd); +int CmdEMdemodASK(const char *Cmd) +{ + char cmdp = param_getchar(Cmd, 0); + int findone = (cmdp == '1') ? 1 : 0; + UsbCommand c={CMD_EM410X_DEMOD}; + c.arg[0]=findone; + SendCommand(&c); + return 0; +} + /* Read the ID of an EM410x tag. * Format: * 1111 1111 1 <-- standard non-repeatable header @@ -40,8 +45,8 @@ int CmdEM410xRead(const char *Cmd) { int i, j, clock, header, rows, bit, hithigh, hitlow, first, bit2idx, high, low; int parity[4]; - char id[11]; - char id2[11]; + char id[11] = {0x00}; + char id2[11] = {0x00}; int retested = 0; uint8_t BitStream[MAX_GRAPH_TRACE_LEN]; high = low = 0; @@ -56,14 +61,13 @@ int CmdEM410xRead(const char *Cmd) } /* get clock */ - clock = GetClock(Cmd, high, 0); - - + clock = GetAskClock(Cmd, false, false); + /* parity for our 4 columns */ parity[0] = parity[1] = parity[2] = parity[3] = 0; header = rows = 0; - /* manchester demodulate */ + // manchester demodulate bit = bit2idx = 0; for (i = 0; i < (int)(GraphTraceLen / clock); i++) { @@ -74,9 +78,9 @@ int CmdEM410xRead(const char *Cmd) /* Find out if we hit both high and low peaks */ for (j = 0; j < clock; j++) { - if (GraphBuffer[(i * clock) + j] == high) + if (GraphBuffer[(i * clock) + j] >= high) hithigh = 1; - else if (GraphBuffer[(i * clock) + j] == low) + else if (GraphBuffer[(i * clock) + j] <= low) hitlow = 1; /* it doesn't count if it's the first part of our read @@ -176,7 +180,8 @@ retest: } /* if we've already retested after flipping bits, return */ - if (retested++){ + if (retested++){ + PrintAndLog("Failed to decode"); return 0; } @@ -196,16 +201,16 @@ retest: * 0 <-- stop bit, end of tag */ int CmdEM410xSim(const char *Cmd) -{ - int i, n, j, h, binary[4], parity[4]; +{ + int i, n, j, binary[4], parity[4]; char cmdp = param_getchar(Cmd, 0); uint8_t uid[5] = {0x00}; if (cmdp == 'h' || cmdp == 'H') { - PrintAndLog("Usage: lf em4x sim "); + PrintAndLog("Usage: lf em4x 410xsim "); PrintAndLog(""); - PrintAndLog(" sample: lf em4x sim 0F0368568B"); + PrintAndLog(" sample: lf em4x 410xsim 0F0368568B"); return 0; } @@ -214,18 +219,15 @@ int CmdEM410xSim(const char *Cmd) return 0; } - PrintAndLog("Starting simulating with UID %02X %02X %02X %02X %02X", uid[0],uid[1],uid[2],uid[3],uid[4]); - - + PrintAndLog("Starting simulating UID %02X%02X%02X%02X%02X", uid[0],uid[1],uid[2],uid[3],uid[4]); + PrintAndLog("Press pm3-button to about simulation"); + /* clock is 64 in EM410x tags */ int clock = 64; /* clear our graph */ - ClearGraph(1); - - /* write it out a few times */ - for (h = 0; h < 4; h++) - { + ClearGraph(0); + /* write 9 start bits */ for (i = 0; i < 9; i++) AppendGraph(0, clock, 1); @@ -262,16 +264,9 @@ int CmdEM410xSim(const char *Cmd) AppendGraph(0, clock, parity[3]); /* stop bit */ - AppendGraph(0, clock, 0); - } - - /* modulate that biatch */ - CmdManchesterMod("64"); - - /* booyah! */ - RepaintGraphWindow(); - - CmdLFSim(""); + AppendGraph(1, clock, 0); + + CmdLFSim("0"); //240 start_gap. return 0; } @@ -287,17 +282,16 @@ int CmdEM410xSim(const char *Cmd) */ int CmdEM410xWatch(const char *Cmd) { - int read_h = (*Cmd == 'h'); - do - { + char cmdp = param_getchar(Cmd, 0); + int read_h = (cmdp == 'h'); + do { if (ukbhit()) { printf("\naborted via keyboard!\n"); break; } CmdLFRead(read_h ? "h" : ""); - CmdSamples("16000"); - + CmdSamples("6000"); } while ( !CmdEM410xRead("") ); @@ -527,79 +521,47 @@ int CmdEM410xWrite(const char *Cmd) int CmdReadWord(const char *Cmd) { int Word = -1; //default to invalid word - UsbCommand c; + UsbCommand c; - sscanf(Cmd, "%d", &Word); + sscanf(Cmd, "%d", &Word); if ( (Word > 15) | (Word < 0) ) { - PrintAndLog("Word must be between 0 and 15"); - return 1; - } + PrintAndLog("Word must be between 0 and 15"); + return 1; + } - PrintAndLog("Reading word %d", Word); + PrintAndLog("Reading word %d", Word); - c.cmd = CMD_EM4X_READ_WORD; - c.d.asBytes[0] = 0x0; //Normal mode - c.arg[0] = 0; - c.arg[1] = Word; - c.arg[2] = 0; - SendCommand(&c); - WaitForResponse(CMD_ACK, NULL); - - uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00}; - - GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,3560); //3560 -- should be offset.. - WaitForResponseTimeout(CMD_ACK,NULL, 1500); - - for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) { - GraphBuffer[j] = ((int)data[j]); - } - GraphTraceLen = LF_TRACE_BUFF_SIZE; - - uint8_t bits[LF_BITSSTREAM_LEN] = {0x00}; - uint8_t * bitstream = bits; - manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream,LF_BITSSTREAM_LEN); - RepaintGraphWindow(); + c.cmd = CMD_EM4X_READ_WORD; + c.d.asBytes[0] = 0x0; //Normal mode + c.arg[0] = 0; + c.arg[1] = Word; + c.arg[2] = 0; + SendCommand(&c); return 0; } int CmdReadWordPWD(const char *Cmd) { int Word = -1; //default to invalid word - int Password = 0xFFFFFFFF; //default to blank password - UsbCommand c; - - sscanf(Cmd, "%d %x", &Word, &Password); - + int Password = 0xFFFFFFFF; //default to blank password + UsbCommand c; + + sscanf(Cmd, "%d %x", &Word, &Password); + if ( (Word > 15) | (Word < 0) ) { - PrintAndLog("Word must be between 0 and 15"); - return 1; - } + PrintAndLog("Word must be between 0 and 15"); + return 1; + } - PrintAndLog("Reading word %d with password %08X", Word, Password); - - c.cmd = CMD_EM4X_READ_WORD; - c.d.asBytes[0] = 0x1; //Password mode - c.arg[0] = 0; - c.arg[1] = Word; - c.arg[2] = Password; - SendCommand(&c); - WaitForResponse(CMD_ACK, NULL); - - uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00}; - - GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,3560); //3560 -- should be offset.. - WaitForResponseTimeout(CMD_ACK,NULL, 1500); - - for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) { - GraphBuffer[j] = ((int)data[j]); - } - GraphTraceLen = LF_TRACE_BUFF_SIZE; - - uint8_t bits[LF_BITSSTREAM_LEN] = {0x00}; - uint8_t * bitstream = bits; - manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream, LF_BITSSTREAM_LEN); - RepaintGraphWindow(); + PrintAndLog("Reading word %d with password %08X", Word, Password); + + c.cmd = CMD_EM4X_READ_WORD; + c.d.asBytes[0] = 0x1; //Password mode + c.arg[0] = 0; + c.arg[1] = Word; + c.arg[2] = Password; + SendCommand(&c); return 0; } @@ -655,16 +617,17 @@ int CmdWriteWordPWD(const char *Cmd) static command_t CommandTable[] = { {"help", CmdHelp, 1, "This help"}, - {"410xread", CmdEM410xRead, 1, "[clock rate] -- Extract ID from EM410x tag"}, - {"410xsim", CmdEM410xSim, 0, " -- Simulate EM410x tag"}, - {"410xwatch", CmdEM410xWatch, 0, "['h'] -- Watches for EM410x 125/134 kHz tags (option 'h' for 134)"}, - {"410xspoof", CmdEM410xWatchnSpoof, 0, "['h'] --- Watches for EM410x 125/134 kHz tags, and replays them. (option 'h' for 134)" }, - {"410xwrite", CmdEM410xWrite, 1, " <'0' T5555> <'1' T55x7> [clock rate] -- Write EM410x UID to T5555(Q5) or T55x7 tag, optionally setting clock rate"}, - {"4x50read", CmdEM4x50Read, 1, "Extract data from EM4x50 tag"}, - {"rd", CmdReadWord, 1, " -- Read EM4xxx word data"}, - {"rdpwd", CmdReadWordPWD, 1, " -- Read EM4xxx word data in password mode "}, - {"wr", CmdWriteWord, 1, " -- Write EM4xxx word data"}, - {"wrpwd", CmdWriteWordPWD, 1, " -- Write EM4xxx word data in password mode"}, + {"em410xdemod", CmdEMdemodASK, 0, "[findone] -- Extract ID from EM410x tag (option 0 for continuous loop, 1 for only 1 tag)"}, + {"em410xread", CmdEM410xRead, 1, "[clock rate] -- Extract ID from EM410x tag"}, + {"em410xsim", CmdEM410xSim, 0, " -- Simulate EM410x tag"}, + {"em410xwatch", CmdEM410xWatch, 0, "['h'] -- Watches for EM410x 125/134 kHz tags (option 'h' for 134)"}, + {"em410xspoof", CmdEM410xWatchnSpoof, 0, "['h'] --- Watches for EM410x 125/134 kHz tags, and replays them. (option 'h' for 134)" }, + {"em410xwrite", CmdEM410xWrite, 1, " <'0' T5555> <'1' T55x7> [clock rate] -- Write EM410x UID to T5555(Q5) or T55x7 tag, optionally setting clock rate"}, + {"em4x50read", CmdEM4x50Read, 1, "Extract data from EM4x50 tag"}, + {"readword", CmdReadWord, 1, " -- Read EM4xxx word data"}, + {"readwordPWD", CmdReadWordPWD, 1, " -- Read EM4xxx word data in password mode"}, + {"writeword", CmdWriteWord, 1, " -- Write EM4xxx word data"}, + {"writewordPWD", CmdWriteWordPWD, 1, " -- Write EM4xxx word data in password mode"}, {NULL, NULL, 0, NULL} };