X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/a40680f3ac163a81d32a7ceb1c54a0b76d0d4b0f..refs/pull/910/head:/client/cmdlf.c diff --git a/client/cmdlf.c b/client/cmdlf.c index 4c682a76..61040f04 100644 --- a/client/cmdlf.c +++ b/client/cmdlf.c @@ -8,43 +8,116 @@ // Low frequency commands //----------------------------------------------------------------------------- +#include "cmdlf.h" + #include #include #include #include -#include "proxmark3.h" -#include "data.h" -#include "graph.h" -#include "ui.h" -#include "cmdparser.h" -#include "cmdmain.h" -#include "cmddata.h" -#include "util.h" -#include "cmdlf.h" -#include "cmdlfhid.h" -#include "cmdlfawid.h" -#include "cmdlfti.h" -#include "cmdlfem4x.h" -#include "cmdlfhitag.h" -#include "cmdlft55xx.h" -#include "cmdlfpcf7931.h" -#include "cmdlfio.h" -#include "lfdemod.h" - +#include +#include +#include "comms.h" +#include "lfdemod.h" // for psk2TOpsk1 +#include "util.h" // for parsing cli command utils +#include "ui.h" // for show graph controls +#include "graph.h" // for graph data +#include "cmdparser.h" // for getting cli commands included in cmdmain.h +#include "cmdmain.h" // for sending cmds to device +#include "cmddata.h" // for `lf search` +#include "cmdlfawid.h" // for awid menu +#include "cmdlfem4x.h" // for em4x menu +#include "cmdlfhid.h" // for hid menu +#include "cmdlfhitag.h" // for hitag menu +#include "cmdlfio.h" // for ioprox menu +#include "cmdlft55xx.h" // for t55xx menu +#include "cmdlfti.h" // for ti menu +#include "cmdlfpresco.h" // for presco menu +#include "cmdlfpcf7931.h"// for pcf7931 menu +#include "cmdlfpyramid.h"// for pyramid menu +#include "cmdlfviking.h" // for viking menu +#include "cmdlfcotag.h" // for COTAG menu +#include "cmdlfvisa2000.h" // for VISA2000 menu +#include "cmdlfindala.h" // for indala menu +#include "cmdlfgproxii.h"// for gproxii menu +#include "cmdlffdx.h" // for fdx-b menu +#include "cmdlfparadox.h"// for paradox menu +#include "cmdlfnexwatch.h"//for nexwatch menu +#include "cmdlfjablotron.h" //for jablotron menu +#include "cmdlfnoralsy.h"// for noralsy menu +#include "cmdlfsecurakey.h"//for securakey menu +#include "cmdlfpac.h" // for pac menu + +bool g_lf_threshold_set = false; static int CmdHelp(const char *Cmd); + + +int usage_lf_cmdread(void) +{ + PrintAndLog("Usage: lf cmdread d z o c "); + PrintAndLog("Options: "); + PrintAndLog(" h This help"); + PrintAndLog(" d delay OFF period between bits (0 for bitbang mode)"); + PrintAndLog(" z time period ZERO (antenna off in bitbang mode)"); + PrintAndLog(" o time period ONE (antenna on in bitbang mode)"); + PrintAndLog(" c Command bytes"); + PrintAndLog(" ************* All periods in microseconds"); + PrintAndLog(" ************* Use lf config to configure options."); + PrintAndLog("Examples:"); + PrintAndLog(" lf cmdread d 80 z 100 o 200 c 11000"); + PrintAndLog(" lf cmdread d 80 z 100 o 100 c 11000"); + return 0; +} + /* send a command before reading */ int CmdLFCommandRead(const char *Cmd) { - static char dummy[3]; - - dummy[0]= ' '; - UsbCommand c = {CMD_MOD_THEN_ACQUIRE_RAW_ADC_SAMPLES_125K}; - sscanf(Cmd, "%"lli" %"lli" %"lli" %s %s", &c.arg[0], &c.arg[1], &c.arg[2],(char*)(&c.d.asBytes),(char*)(&dummy+1)); - // in case they specified 'h' - strcpy((char *)&c.d.asBytes + strlen((char *)c.d.asBytes), dummy); + bool errors = false; + //uint8_t divisor = 95; //125khz + uint8_t cmdp = 0; + while(param_getchar(Cmd, cmdp) != 0x00) + { + switch(param_getchar(Cmd, cmdp)) + { + case 'h': + return usage_lf_cmdread(); + case 'c': + param_getstr(Cmd, cmdp+1, (char *)&c.d.asBytes, sizeof(c.d.asBytes)); + cmdp+=2; + break; + case 'd': + c.arg[0] = param_get32ex(Cmd, cmdp+1, 0, 10); + cmdp+=2; + break; + case 'z': + c.arg[1] = param_get32ex(Cmd, cmdp+1, 0, 10); + cmdp+=2; + break; + case 'o': + c.arg[2] = param_get32ex(Cmd, cmdp+1, 0, 10); + cmdp+=2; + break; + default: + PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp)); + errors = 1; + break; + } + if(errors) break; + } + // No args + if(cmdp == 0) errors = 1; + + //Validations + if(errors) return usage_lf_cmdread(); + + clearCommandBuffer(); SendCommand(&c); + + WaitForResponse(CMD_ACK,NULL); + getSamples(0, true); + + return 0; } @@ -59,7 +132,7 @@ int CmdFlexdemod(const char *Cmd) } } -#define LONG_WAIT 100 + #define LONG_WAIT 100 int start; for (start = 0; start < GraphTraceLen - LONG_WAIT; start++) { int first = GraphBuffer[start]; @@ -125,250 +198,19 @@ int CmdFlexdemod(const char *Cmd) RepaintGraphWindow(); return 0; -} - -int CmdIndalaDemod(const char *Cmd) -{ - // Usage: recover 64bit UID by default, specify "224" as arg to recover a 224bit UID - - int state = -1; - int count = 0; - int i, j; - - // worst case with GraphTraceLen=64000 is < 4096 - // under normal conditions it's < 2048 - - uint8_t rawbits[4096]; - int rawbit = 0; - int worst = 0, worstPos = 0; - // PrintAndLog("Expecting a bit less than %d raw bits", GraphTraceLen / 32); - for (i = 0; i < GraphTraceLen-1; i += 2) { - count += 1; - if ((GraphBuffer[i] > GraphBuffer[i + 1]) && (state != 1)) { - if (state == 0) { - for (j = 0; j < count - 8; j += 16) { - rawbits[rawbit++] = 0; - } - if ((abs(count - j)) > worst) { - worst = abs(count - j); - worstPos = i; - } - } - state = 1; - count = 0; - } else if ((GraphBuffer[i] < GraphBuffer[i + 1]) && (state != 0)) { - if (state == 1) { - for (j = 0; j < count - 8; j += 16) { - rawbits[rawbit++] = 1; - } - if ((abs(count - j)) > worst) { - worst = abs(count - j); - worstPos = i; - } - } - state = 0; - count = 0; - } - } - - if (rawbit>0){ - PrintAndLog("Recovered %d raw bits, expected: %d", rawbit, GraphTraceLen/32); - PrintAndLog("worst metric (0=best..7=worst): %d at pos %d", worst, worstPos); - } else { - return 0; - } - - // Finding the start of a UID - int uidlen, long_wait; - if (strcmp(Cmd, "224") == 0) { - uidlen = 224; - long_wait = 30; - } else { - uidlen = 64; - long_wait = 29; - } - - int start; - int first = 0; - for (start = 0; start <= rawbit - uidlen; start++) { - first = rawbits[start]; - for (i = start; i < start + long_wait; i++) { - if (rawbits[i] != first) { - break; - } - } - if (i == (start + long_wait)) { - break; - } - } - - if (start == rawbit - uidlen + 1) { - PrintAndLog("nothing to wait for"); - return 0; - } - - // Inverting signal if needed - if (first == 1) { - for (i = start; i < rawbit; i++) { - rawbits[i] = !rawbits[i]; - } - } - - // Dumping UID - uint8_t bits[224] = {0x00}; - char showbits[225] = {0x00}; - int bit; - i = start; - int times = 0; - - if (uidlen > rawbit) { - PrintAndLog("Warning: not enough raw bits to get a full UID"); - for (bit = 0; bit < rawbit; bit++) { - bits[bit] = rawbits[i++]; - // As we cannot know the parity, let's use "." and "/" - showbits[bit] = '.' + bits[bit]; - } - showbits[bit+1]='\0'; - PrintAndLog("Partial UID=%s", showbits); - return 0; - } else { - for (bit = 0; bit < uidlen; bit++) { - bits[bit] = rawbits[i++]; - showbits[bit] = '0' + bits[bit]; - } - times = 1; - } - - //convert UID to HEX - uint32_t uid1, uid2, uid3, uid4, uid5, uid6, uid7; - int idx; - uid1 = uid2 = 0; - - if (uidlen==64){ - for( idx=0; idx<64; idx++) { - if (showbits[idx] == '0') { - uid1=(uid1<<1)|(uid2>>31); - uid2=(uid2<<1)|0; - } else { - uid1=(uid1<<1)|(uid2>>31); - uid2=(uid2<<1)|1; - } - } - PrintAndLog("UID=%s (%x%08x)", showbits, uid1, uid2); - } - else { - uid3 = uid4 = uid5 = uid6 = uid7 = 0; - - for( idx=0; idx<224; idx++) { - uid1=(uid1<<1)|(uid2>>31); - uid2=(uid2<<1)|(uid3>>31); - uid3=(uid3<<1)|(uid4>>31); - uid4=(uid4<<1)|(uid5>>31); - uid5=(uid5<<1)|(uid6>>31); - uid6=(uid6<<1)|(uid7>>31); - - if (showbits[idx] == '0') - uid7 = (uid7<<1) | 0; - else - uid7 = (uid7<<1) | 1; - } - PrintAndLog("UID=%s (%x%08x%08x%08x%08x%08x%08x)", showbits, uid1, uid2, uid3, uid4, uid5, uid6, uid7); - } +} - // Checking UID against next occurrences - int failed = 0; - for (; i + uidlen <= rawbit;) { - failed = 0; - for (bit = 0; bit < uidlen; bit++) { - if (bits[bit] != rawbits[i++]) { - failed = 1; - break; - } - } - if (failed == 1) { - break; - } - times += 1; - } - - PrintAndLog("Occurrences: %d (expected %d)", times, (rawbit - start) / uidlen); - - // Remodulating for tag cloning - // HACK: 2015-01-04 this will have an impact on our new way of seening lf commands (demod) - // since this changes graphbuffer data. - GraphTraceLen = 32*uidlen; - i = 0; - int phase = 0; - for (bit = 0; bit < uidlen; bit++) { - if (bits[bit] == 0) { - phase = 0; - } else { - phase = 1; - } - int j; - for (j = 0; j < 32; j++) { - GraphBuffer[i++] = phase; - phase = !phase; - } - } - - RepaintGraphWindow(); - return 1; -} - -int CmdIndalaClone(const char *Cmd) -{ - UsbCommand c; - unsigned int uid1, uid2, uid3, uid4, uid5, uid6, uid7; - - uid1 = uid2 = uid3 = uid4 = uid5 = uid6 = uid7 = 0; - int n = 0, i = 0; - - if (strchr(Cmd,'l') != 0) { - while (sscanf(&Cmd[i++], "%1x", &n ) == 1) { - uid1 = (uid1 << 4) | (uid2 >> 28); - uid2 = (uid2 << 4) | (uid3 >> 28); - uid3 = (uid3 << 4) | (uid4 >> 28); - uid4 = (uid4 << 4) | (uid5 >> 28); - uid5 = (uid5 << 4) | (uid6 >> 28); - uid6 = (uid6 << 4) | (uid7 >> 28); - uid7 = (uid7 << 4) | (n & 0xf); - } - PrintAndLog("Cloning 224bit tag with UID %x%08x%08x%08x%08x%08x%08x", uid1, uid2, uid3, uid4, uid5, uid6, uid7); - c.cmd = CMD_INDALA_CLONE_TAG_L; - c.d.asDwords[0] = uid1; - c.d.asDwords[1] = uid2; - c.d.asDwords[2] = uid3; - c.d.asDwords[3] = uid4; - c.d.asDwords[4] = uid5; - c.d.asDwords[5] = uid6; - c.d.asDwords[6] = uid7; - } else { - while (sscanf(&Cmd[i++], "%1x", &n ) == 1) { - uid1 = (uid1 << 4) | (uid2 >> 28); - uid2 = (uid2 << 4) | (n & 0xf); - } - PrintAndLog("Cloning 64bit tag with UID %x%08x", uid1, uid2); - c.cmd = CMD_INDALA_CLONE_TAG; - c.arg[0] = uid1; - c.arg[1] = uid2; - } - - SendCommand(&c); - return 0; -} - -int usage_lf_read() +int usage_lf_read(void) { PrintAndLog("Usage: lf read"); PrintAndLog("Options: "); PrintAndLog(" h This help"); PrintAndLog(" s silent run no printout"); - PrintAndLog("This function takes no arguments. "); + PrintAndLog(" [# samples] # samples to collect (optional)"); PrintAndLog("Use 'lf config' to set parameters."); return 0; } -int usage_lf_snoop() +int usage_lf_snoop(void) { PrintAndLog("Usage: lf snoop"); PrintAndLog("Options: "); @@ -378,28 +220,29 @@ int usage_lf_snoop() return 0; } -int usage_lf_config() +int usage_lf_config(void) { PrintAndLog("Usage: lf config [H|] [b ] [d ] [a 0|1]"); PrintAndLog("Options: "); - PrintAndLog(" h This help"); - PrintAndLog(" L Low frequency (125 KHz)"); - PrintAndLog(" H High frequency (134 KHz)"); - PrintAndLog(" q Manually set divisor. 88-> 134KHz, 95-> 125 Hz"); - PrintAndLog(" b Sets resolution of bits per sample. Default (max): 8"); - PrintAndLog(" d Sets decimation. A value of N saves only 1 in N samples. Default: 1"); - PrintAndLog(" a [0|1] Averaging - if set, will average the stored sample value when decimating. Default: 1"); - PrintAndLog(" t Sets trigger threshold. 0 means no threshold (range: 0-128)"); + PrintAndLog(" h This help"); + PrintAndLog(" L Low frequency (125 KHz)"); + PrintAndLog(" H High frequency (134 KHz)"); + PrintAndLog(" q Manually set divisor. 88-> 134 KHz, 95-> 125 KHz"); + PrintAndLog(" b Sets resolution of bits per sample. Default (max): 8"); + PrintAndLog(" d Sets decimation. A value of N saves only 1 in N samples. Default: 1"); + PrintAndLog(" a [0|1] Averaging - if set, will average the stored sample value when decimating. Default: 1"); + PrintAndLog(" t Sets trigger threshold. 0 means no threshold (range: 0-128)"); + PrintAndLog(" s Sets a number of samples to skip before capture. Default: 0"); PrintAndLog("Examples:"); PrintAndLog(" lf config b 8 L"); - PrintAndLog(" Samples at 125KHz, 8bps."); + PrintAndLog(" Samples at 125KHz, 8bps."); PrintAndLog(" lf config H b 4 d 3"); - PrintAndLog(" Samples at 134KHz, averages three samples into one, stored with "); - PrintAndLog(" a resolution of 4 bits per sample."); + PrintAndLog(" Samples at 134KHz, averages three samples into one, stored with "); + PrintAndLog(" a resolution of 4 bits per sample."); PrintAndLog(" lf read"); - PrintAndLog(" Performs a read (active field)"); + PrintAndLog(" Performs a read (active field)"); PrintAndLog(" lf snoop"); - PrintAndLog(" Performs a snoop (no active field)"); + PrintAndLog(" Performs a snoop (no active field)"); return 0; } @@ -410,9 +253,10 @@ int CmdLFSetConfig(const char *Cmd) uint8_t bps = 0; // Bits per sample uint8_t decimation = 0; //How many to keep bool averaging = 1; // Defaults to true - bool errors = FALSE; + bool errors = false; int trigger_threshold =-1;//Means no change uint8_t unsigned_trigg = 0; + int samples_to_skip = -1; uint8_t cmdp =0; while(param_getchar(Cmd, cmdp) != 0x00) @@ -436,7 +280,10 @@ int CmdLFSetConfig(const char *Cmd) case 't': errors |= param_getdec(Cmd,cmdp+1,&unsigned_trigg); cmdp+=2; - if(!errors) trigger_threshold = unsigned_trigg; + if(!errors) { + trigger_threshold = unsigned_trigg; + if (trigger_threshold > 0) g_lf_threshold_set = true; + } break; case 'b': errors |= param_getdec(Cmd,cmdp+1,&bps); @@ -450,6 +297,10 @@ int CmdLFSetConfig(const char *Cmd) averaging = param_getchar(Cmd,cmdp+1) == '1'; cmdp+=2; break; + case 's': + samples_to_skip = param_get32ex(Cmd,cmdp+1,0,10); + cmdp+=2; + break; default: PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp)); errors = 1; @@ -468,33 +319,55 @@ int CmdLFSetConfig(const char *Cmd) return usage_lf_config(); } //Bps is limited to 8, so fits in lower half of arg1 - if(bps >> 8) bps = 8; + if(bps >> 4) bps = 8; sample_config config = { - decimation,bps,averaging,divisor,trigger_threshold + decimation,bps,averaging,divisor,trigger_threshold,samples_to_skip }; //Averaging is a flag on high-bit of arg[1] UsbCommand c = {CMD_SET_LF_SAMPLING_CONFIG}; memcpy(c.d.asBytes,&config,sizeof(sample_config)); + clearCommandBuffer(); SendCommand(&c); return 0; } +bool lf_read(bool silent, uint32_t samples) { + if (IsOffline()) return false; + UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_125K, {silent,samples,0}}; + clearCommandBuffer(); + //And ship it to device + SendCommand(&c); + + UsbCommand resp; + if (g_lf_threshold_set) { + WaitForResponse(CMD_ACK,&resp); + } else { + if ( !WaitForResponseTimeout(CMD_ACK,&resp,2500) ) { + PrintAndLog("command execution time out"); + return false; + } + } + // resp.arg[0] is bits read not bytes read. + getSamples(resp.arg[0]/8, silent); + + return true; +} + int CmdLFRead(const char *Cmd) { - uint8_t cmdp = 0; - bool arg1 = false; + bool silent = false; if (param_getchar(Cmd, cmdp) == 'h') { return usage_lf_read(); } - if (param_getchar(Cmd, cmdp) == 's') arg1 = true; //suppress print - //And ship it to device - UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_125K, {arg1,0,0}}; - SendCommand(&c); - WaitForResponse(CMD_ACK,NULL); - return 0; + if (param_getchar(Cmd, cmdp) == 's') { + silent = true; //suppress print + cmdp++; + } + uint32_t samples = param_get32ex(Cmd, cmdp, 0, 10); + return lf_read(silent, samples); } int CmdLFSnoop(const char *Cmd) @@ -506,8 +379,11 @@ int CmdLFSnoop(const char *Cmd) } UsbCommand c = {CMD_LF_SNOOP_RAW_ADC_SAMPLES}; + clearCommandBuffer(); SendCommand(&c); WaitForResponse(CMD_ACK,NULL); + getSamples(0, true); + return 0; } @@ -532,14 +408,13 @@ int CmdLFSim(const char *Cmd) sscanf(Cmd, "%i", &gap); - // convert to bitstream if necessary - + // convert to bitstream if necessary ChkBitstream(Cmd); //can send only 512 bits at a time (1 byte sent per bit...) printf("Sending [%d bytes]", GraphTraceLen); for (i = 0; i < GraphTraceLen; i += USB_CMD_DATA_SIZE) { - UsbCommand c={CMD_DOWNLOADED_SIM_SAMPLES_125K, {i, 0, 0}}; + UsbCommand c = {CMD_DOWNLOADED_SIM_SAMPLES_125K, {i, 0, 0}}; for (j = 0; j < USB_CMD_DATA_SIZE; j++) { c.d.asBytes[j] = GraphBuffer[i+j]; @@ -552,6 +427,7 @@ int CmdLFSim(const char *Cmd) printf("\n"); PrintAndLog("Starting to simulate"); UsbCommand c = {CMD_SIMULATE_TAG_125K, {GraphTraceLen, gap, 0}}; + clearCommandBuffer(); SendCommand(&c); return 0; } @@ -583,7 +459,7 @@ int usage_lf_simask(void) PrintAndLog(" b sim ask/biphase"); PrintAndLog(" m sim ask/manchester - Default"); PrintAndLog(" r sim ask/raw"); - PrintAndLog(" s TBD- -to enable a gap between playback repetitions - default: no gap"); + PrintAndLog(" s add t55xx Sequence Terminator gap - default: no gaps (only manchester)"); PrintAndLog(" d Data to sim as hex - omit to sim from DemodBuffer"); return 0; } @@ -604,7 +480,7 @@ int usage_lf_simpsk(void) return 0; } -// by marshmellow - sim ask data given clock, fcHigh, fcLow, invert +// by marshmellow - sim fsk data given clock, fcHigh, fcLow, invert // - allow pull data from DemodBuffer int CmdLFfskSim(const char *Cmd) { @@ -612,8 +488,8 @@ int CmdLFfskSim(const char *Cmd) // otherwise will need FChigh, FClow, Clock, and bitstream uint8_t fcHigh=0, fcLow=0, clk=0; uint8_t invert=0; - bool errors = FALSE; - char hexData[32] = {0x00}; // store entered hex data + bool errors = false; + char hexData[64] = {0x00}; // store entered hex data uint8_t data[255] = {0x00}; int dataLen = 0; uint8_t cmdp = 0; @@ -644,26 +520,26 @@ int CmdLFfskSim(const char *Cmd) // cmdp++; // break; case 'd': - dataLen = param_getstr(Cmd, cmdp+1, hexData); + dataLen = param_getstr(Cmd, cmdp+1, hexData, sizeof(hexData)); if (dataLen==0) { - errors=TRUE; + errors=true; } else { dataLen = hextobinarray((char *)data, hexData); } - if (dataLen==0) errors=TRUE; + if (dataLen==0) errors=true; if (errors) PrintAndLog ("Error getting hex data"); cmdp+=2; break; default: PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp)); - errors = TRUE; + errors = true; break; } if(errors) break; } if(cmdp == 0 && DemodBufferLen == 0) { - errors = TRUE;// No args + errors = true;// No args } //Validations @@ -671,10 +547,10 @@ int CmdLFfskSim(const char *Cmd) { return usage_lf_simfsk(); } - + int firstClockEdge = 0; if (dataLen == 0){ //using DemodBuffer if (clk==0 || fcHigh==0 || fcLow==0){ //manual settings must set them all - uint8_t ans = fskClocks(&fcHigh, &fcLow, &clk, 0); + uint8_t ans = fskClocks(&fcHigh, &fcLow, &clk, 0, &firstClockEdge); if (ans==0){ if (!fcHigh) fcHigh=10; if (!fcLow) fcLow=8; @@ -701,6 +577,7 @@ int CmdLFfskSim(const char *Cmd) UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}}; memcpy(c.d.asBytes, DemodBuffer, size); + clearCommandBuffer(); SendCommand(&c); return 0; } @@ -713,8 +590,8 @@ int CmdLFaskSim(const char *Cmd) // needs clock, invert, manchester/raw as m or r, separator as s, and bitstream uint8_t encoding = 1, separator = 0; uint8_t clk=0, invert=0; - bool errors = FALSE; - char hexData[32] = {0x00}; + bool errors = false; + char hexData[64] = {0x00}; uint8_t data[255]= {0x00}; // store entered hex data int dataLen = 0; uint8_t cmdp = 0; @@ -749,26 +626,26 @@ int CmdLFaskSim(const char *Cmd) cmdp++; break; case 'd': - dataLen = param_getstr(Cmd, cmdp+1, hexData); + dataLen = param_getstr(Cmd, cmdp+1, hexData, sizeof(hexData)); if (dataLen==0) { - errors=TRUE; + errors=true; } else { dataLen = hextobinarray((char *)data, hexData); } - if (dataLen==0) errors=TRUE; + if (dataLen==0) errors=true; if (errors) PrintAndLog ("Error getting hex data, datalen: %d",dataLen); cmdp+=2; break; default: PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp)); - errors = TRUE; + errors = true; break; } if(errors) break; } if(cmdp == 0 && DemodBufferLen == 0) { - errors = TRUE;// No args + errors = true;// No args } //Validations @@ -794,6 +671,7 @@ int CmdLFaskSim(const char *Cmd) UsbCommand c = {CMD_ASK_SIM_TAG, {arg1, arg2, size}}; PrintAndLog("preparing to sim ask data: %d bits", size); memcpy(c.d.asBytes, DemodBuffer, size); + clearCommandBuffer(); SendCommand(&c); return 0; } @@ -806,8 +684,8 @@ int CmdLFpskSim(const char *Cmd) //will need carrier, Clock, and bitstream uint8_t carrier=0, clk=0; uint8_t invert=0; - bool errors = FALSE; - char hexData[32] = {0x00}; // store entered hex data + bool errors = false; + char hexData[64] = {0x00}; // store entered hex data uint8_t data[255] = {0x00}; int dataLen = 0; uint8_t cmdp = 0; @@ -843,26 +721,26 @@ int CmdLFpskSim(const char *Cmd) cmdp++; break; case 'd': - dataLen = param_getstr(Cmd, cmdp+1, hexData); + dataLen = param_getstr(Cmd, cmdp+1, hexData, sizeof(hexData)); if (dataLen==0) { - errors=TRUE; + errors=true; } else { dataLen = hextobinarray((char *)data, hexData); } - if (dataLen==0) errors=TRUE; + if (dataLen==0) errors=true; if (errors) PrintAndLog ("Error getting hex data"); cmdp+=2; break; default: PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp)); - errors = TRUE; + errors = true; break; } if (errors) break; } if (cmdp == 0 && DemodBufferLen == 0) { - errors = TRUE;// No args + errors = true;// No args } //Validations @@ -872,9 +750,9 @@ int CmdLFpskSim(const char *Cmd) } if (dataLen == 0){ //using DemodBuffer PrintAndLog("Getting Clocks"); - if (clk==0) clk = GetPskClock("", FALSE, FALSE); + if (clk==0) clk = GetPskClock("", false, false); PrintAndLog("clk: %d",clk); - if (!carrier) carrier = GetPskCarrier("", FALSE, FALSE); + if (!carrier) carrier = GetPskCarrier("", false, false); PrintAndLog("carrier: %d", carrier); } else { setDemodBuf(data, dataLen, 0); @@ -901,6 +779,7 @@ int CmdLFpskSim(const char *Cmd) UsbCommand c = {CMD_PSK_SIM_TAG, {arg1, arg2, size}}; PrintAndLog("DEBUG: Sending DemodBuffer Length: %d", size); memcpy(c.d.asBytes, DemodBuffer, size); + clearCommandBuffer(); SendCommand(&c); return 0; @@ -992,10 +871,41 @@ int CmdVchDemod(const char *Cmd) return 0; } + +//by marshmellow +int CheckChipType(char cmdp) { + uint32_t wordData = 0; + + if (IsOffline() || cmdp == '1') return 0; + + save_restoreGB(GRAPH_SAVE); + save_restoreDB(GRAPH_SAVE); + //check for em4x05/em4x69 chips first + if (EM4x05Block0Test(&wordData)) { + PrintAndLog("\nValid EM4x05/EM4x69 Chip Found\nTry lf em 4x05... commands\n"); + save_restoreGB(GRAPH_RESTORE); + save_restoreDB(GRAPH_RESTORE); + return 1; + } + + //check for t55xx chip... + if (tryDetectP1(true)) { + PrintAndLog("\nValid T55xx Chip Found\nTry lf t55xx ... commands\n"); + save_restoreGB(GRAPH_RESTORE); + save_restoreDB(GRAPH_RESTORE); + return 1; + } + save_restoreGB(GRAPH_RESTORE); + save_restoreDB(GRAPH_RESTORE); + return 0; +} + //by marshmellow int CmdLFfind(const char *Cmd) { + uint32_t wordData = 0; int ans=0; + size_t minLength = 1000; char cmdp = param_getchar(Cmd, 0); char testRaw = param_getchar(Cmd, 1); if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') { @@ -1011,10 +921,9 @@ int CmdLFfind(const char *Cmd) return 0; } - if (!offline && (cmdp != '1')){ - CmdLFRead("s"); - getSamples("30000",false); - } else if (GraphTraceLen < 1000) { + if (!IsOffline() && (cmdp != '1')) { + lf_read(true, 30000); + } else if (GraphTraceLen < minLength) { PrintAndLog("Data in Graphbuffer was too small."); return 0; } @@ -1024,100 +933,164 @@ int CmdLFfind(const char *Cmd) PrintAndLog("False Positives ARE possible\n"); PrintAndLog("\nChecking for known tags:\n"); + size_t testLen = minLength; + // only run if graphbuffer is just noise as it should be for hitag/cotag + if (graphJustNoise(GraphBuffer, testLen)) { + // only run these tests if we are in online mode + if (!IsOffline() && (cmdp != '1')) { + // test for em4x05 in reader talk first mode. + if (EM4x05Block0Test(&wordData)) { + PrintAndLog("\nValid EM4x05/EM4x69 Chip Found\nUse lf em 4x05readword/dump commands to read\n"); + return 1; + } + if (getHitagUid(NULL, true)) { + PrintAndLog("\nValid Hitag2 tag Found!"); + return 1; + } + ans = CmdCOTAGRead(""); + if (ans > 0) { + PrintAndLog("\nValid COTAG ID Found!"); + return 1; + } + } + PrintAndLog("\nNo Data Found! - maybe not an LF tag?\n"); + return 0; + } + + // TODO test for modulation then only test formats that use that modulation + ans=CmdFSKdemodIO(""); if (ans>0) { PrintAndLog("\nValid IO Prox ID Found!"); - return 1; + return CheckChipType(cmdp); } ans=CmdFSKdemodPyramid(""); if (ans>0) { PrintAndLog("\nValid Pyramid ID Found!"); - return 1; + return CheckChipType(cmdp); } ans=CmdFSKdemodParadox(""); if (ans>0) { PrintAndLog("\nValid Paradox ID Found!"); - return 1; + return CheckChipType(cmdp); } ans=CmdFSKdemodAWID(""); if (ans>0) { PrintAndLog("\nValid AWID ID Found!"); - return 1; + return CheckChipType(cmdp); } ans=CmdFSKdemodHID(""); if (ans>0) { PrintAndLog("\nValid HID Prox ID Found!"); - return 1; - } - - //add psk and indala - ans=CmdIndalaDecode(""); - if (ans>0) { - PrintAndLog("\nValid Indala ID Found!"); - return 1; + return CheckChipType(cmdp); } ans=CmdAskEM410xDemod(""); if (ans>0) { PrintAndLog("\nValid EM410x ID Found!"); - return 1; + return CheckChipType(cmdp); } + ans=CmdVisa2kDemod(""); + if (ans>0) { + PrintAndLog("\nValid Visa2000 ID Found!"); + return CheckChipType(cmdp); + } + ans=CmdG_Prox_II_Demod(""); if (ans>0) { PrintAndLog("\nValid G Prox II ID Found!"); - return 1; + return CheckChipType(cmdp); } - ans=CmdFDXBdemodBI(""); + ans=CmdFdxDemod(""); //biphase if (ans>0) { PrintAndLog("\nValid FDX-B ID Found!"); - return 1; + return CheckChipType(cmdp); } - ans=EM4x50Read("", false); + ans=EM4x50Read("", false); //ask if (ans>0) { PrintAndLog("\nValid EM4x50 ID Found!"); return 1; - } + } + + ans=CmdJablotronDemod(""); + if (ans>0) { + PrintAndLog("\nValid Jablotron ID Found!"); + return CheckChipType(cmdp); + } + + ans=CmdNoralsyDemod(""); + if (ans>0) { + PrintAndLog("\nValid Noralsy ID Found!"); + return CheckChipType(cmdp); + } + + ans=CmdSecurakeyDemod(""); + if (ans>0) { + PrintAndLog("\nValid Securakey ID Found!"); + return CheckChipType(cmdp); + } + + ans=CmdVikingDemod(""); + if (ans>0) { + PrintAndLog("\nValid Viking ID Found!"); + return CheckChipType(cmdp); + } + + ans=CmdIndalaDecode(""); //psk + if (ans>0) { + PrintAndLog("\nValid Indala ID Found!"); + return CheckChipType(cmdp); + } ans=CmdPSKNexWatch(""); if (ans>0) { PrintAndLog("\nValid NexWatch ID Found!"); - return 1; + return CheckChipType(cmdp); + } + + ans=CmdPacDemod(""); + if (ans>0) { + PrintAndLog("\nValid PAC/Stanley ID Found!"); + return CheckChipType(cmdp); } PrintAndLog("\nNo Known Tags Found!\n"); - if (testRaw=='u' || testRaw=='U'){ - //test unknown tag formats (raw mode) + if (testRaw=='u' || testRaw=='U') { + //ans=CheckChipType(cmdp); + //test unknown tag formats (raw mode)0 PrintAndLog("\nChecking for Unknown tags:\n"); - ans=AutoCorrelate(4000, FALSE, FALSE); + ans=AutoCorrelate(GraphBuffer, GraphBuffer, GraphTraceLen, 4000, false, false); if (ans > 0) PrintAndLog("Possible Auto Correlation of %d repeating samples",ans); - ans=GetFskClock("",FALSE,FALSE); - if (ans != 0){ //fsk - ans=FSKrawDemod("",TRUE); + ans=GetFskClock("",false,false); + if (ans != 0) { //fsk + ans=FSKrawDemod("",true); if (ans>0) { PrintAndLog("\nUnknown FSK Modulated Tag Found!"); - return 1; + return CheckChipType(cmdp); } } - ans=ASKDemod("0 0 0",TRUE,FALSE,1); + bool st = true; + ans=ASKDemod_ext("0 0 0",true,false,1,&st); if (ans>0) { PrintAndLog("\nUnknown ASK Modulated and Manchester encoded Tag Found!"); PrintAndLog("\nif it does not look right it could instead be ASK/Biphase - try 'data rawdemod ab'"); - return 1; + return CheckChipType(cmdp); } ans=CmdPSK1rawDemod(""); if (ans>0) { PrintAndLog("Possible unknown PSK1 Modulated Tag Found above!\n\nCould also be PSK2 - try 'data rawdemod p2'"); PrintAndLog("\nCould also be PSK3 - [currently not supported]"); - PrintAndLog("\nCould also be NRZ - try 'data nrzrawdemod"); - return 1; + PrintAndLog("\nCould also be NRZ - try 'data rawdemod nr'"); + return CheckChipType(cmdp); } + ans = CheckChipType(cmdp); PrintAndLog("\nNo Data Found!\n"); } return 0; @@ -1126,28 +1099,40 @@ int CmdLFfind(const char *Cmd) static command_t CommandTable[] = { {"help", CmdHelp, 1, "This help"}, - {"cmdread", CmdLFCommandRead, 0, " <'0' period> <'1' period> ['h'] -- Modulate LF reader field to send command before read (all periods in microseconds) (option 'h' for 134)"}, - {"em4x", CmdLFEM4X, 1, "{ EM4X RFIDs... }"}, + {"awid", CmdLFAWID, 1, "{ AWID RFIDs... }"}, + {"cotag", CmdLFCOTAG, 1, "{ COTAG CHIPs... }"}, + {"em", CmdLFEM4X, 1, "{ EM4X CHIPs & RFIDs... }"}, + {"fdx", CmdLFFdx, 1, "{ FDX-B RFIDs... }"}, + {"gproxii", CmdLF_G_Prox_II, 1, "{ G Prox II RFIDs... }"}, + {"hid", CmdLFHID, 1, "{ HID RFIDs... }"}, + {"hitag", CmdLFHitag, 1, "{ Hitag CHIPs... }"}, + {"io", CmdLFIO, 1, "{ ioProx RFIDs... }"}, + {"indala", CmdLFINDALA, 1, "{ Indala RFIDs... }"}, + {"jablotron", CmdLFJablotron, 1, "{ Jablotron RFIDs... }"}, + {"nexwatch", CmdLFNexWatch, 1, "{ NexWatch RFIDs... }"}, + {"noralsy", CmdLFNoralsy, 1, "{ Noralsy RFIDs... }"}, + {"pac", CmdLFPac, 1, "{ PAC/Stanley RFIDs... }"}, + {"paradox", CmdLFParadox, 1, "{ Paradox RFIDs... }"}, + {"presco", CmdLFPresco, 1, "{ Presco RFIDs... }"}, + {"pcf7931", CmdLFPCF7931, 1, "{ PCF7931 CHIPs... }"}, + {"pyramid", CmdLFPyramid, 1, "{ Farpointe/Pyramid RFIDs... }"}, + {"securakey", CmdLFSecurakey, 1, "{ Securakey RFIDs... }"}, + {"t55xx", CmdLFT55XX, 1, "{ T55xx CHIPs... }"}, + {"ti", CmdLFTI, 1, "{ TI CHIPs... }"}, + {"viking", CmdLFViking, 1, "{ Viking RFIDs... }"}, + {"visa2000", CmdLFVisa2k, 1, "{ Visa2000 RFIDs... }"}, + {"cmdread", CmdLFCommandRead, 0, " ['H'] -- Modulate LF reader field to send command before read (all periods in microseconds) (option 'H' for 134)"}, {"config", CmdLFSetConfig, 0, "Set config for LF sampling, bit/sample, decimation, frequency"}, {"flexdemod", CmdFlexdemod, 1, "Demodulate samples for FlexPass"}, - {"hid", CmdLFHID, 1, "{ HID RFIDs... }"}, - {"awid", CmdLFAWID, 1, "{ AWID RFIDs... }"}, - {"io", CmdLFIO, 1, "{ ioProx tags... }"}, - {"indalademod", CmdIndalaDemod, 1, "['224'] -- Demodulate samples for Indala 64 bit UID (option '224' for 224 bit)"}, - {"indalaclone", CmdIndalaClone, 0, " ['l']-- Clone Indala to T55x7 (tag must be in antenna)(UID in HEX)(option 'l' for 224 UID"}, {"read", CmdLFRead, 0, "['s' silent] Read 125/134 kHz LF ID-only tag. Do 'lf read h' for help"}, {"search", CmdLFfind, 1, "[offline] ['u'] Read and Search for valid known tag (in offline mode it you can load first then search) - 'u' to search for unknown tags"}, {"sim", CmdLFSim, 0, "[GAP] -- Simulate LF tag from buffer with optional GAP (in microseconds)"}, - {"simask", CmdLFaskSim, 0, "[clock] [invert <1|0>] [manchester/raw <'m'|'r'>] [msg separator 's'] [d ] -- Simulate LF ASK tag from demodbuffer or input"}, + {"simask", CmdLFaskSim, 0, "[clock] [invert <1|0>] [biphase/manchester/raw <'b'|'m'|'r'>] [msg separator 's'] [d ] -- Simulate LF ASK tag from demodbuffer or input"}, {"simfsk", CmdLFfskSim, 0, "[c ] [i] [H ] [L ] [d ] -- Simulate LF FSK tag from demodbuffer or input"}, {"simpsk", CmdLFpskSim, 0, "[1|2|3] [c ] [i] [r ] [d ] -- Simulate LF PSK tag from demodbuffer or input"}, {"simbidir", CmdLFSimBidir, 0, "Simulate LF tag (with bidirectional data transmission between reader and tag)"}, {"snoop", CmdLFSnoop, 0, "['l'|'h'|] [trigger threshold]-- Snoop LF (l:125khz, h:134khz)"}, - {"ti", CmdLFTI, 1, "{ TI RFIDs... }"}, - {"hitag", CmdLFHitag, 1, "{ Hitag tags and transponders... }"}, {"vchdemod", CmdVchDemod, 1, "['clone'] -- Demodulate samples for VeriChip"}, - {"t55xx", CmdLFT55XX, 1, "{ T55xx RFIDs... }"}, - {"pcf7931", CmdLFPCF7931, 1, "{PCF7931 RFIDs...}"}, {NULL, NULL, 0, NULL} };