X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/b2fe0e77c5d46dd5bed439c55446c32b3cc13a17..e04475c42128e4b61c96cab0ff2c1a47d6413885:/client/cmdlf.c diff --git a/client/cmdlf.c b/client/cmdlf.c index edf6c3a9..34104518 100644 --- a/client/cmdlf.c +++ b/client/cmdlf.c @@ -13,37 +13,106 @@ #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 "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 "data.h" // for GetFromBigBuf +#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 + static int CmdHelp(const char *Cmd); + + +int usage_lf_cmdread(void) +{ + PrintAndLog("Usage: lf cmdread d z o c [H] "); + PrintAndLog("Options: "); + PrintAndLog(" h This help"); + PrintAndLog(" L Low frequency (125 KHz)"); + PrintAndLog(" H High frequency (134 KHz)"); + PrintAndLog(" d delay OFF period"); + PrintAndLog(" z time period ZERO"); + PrintAndLog(" o time period ONE"); + PrintAndLog(" c Command bytes"); + PrintAndLog(" ************* All periods in microseconds"); + PrintAndLog("Examples:"); + PrintAndLog(" lf cmdread d 80 z 100 o 200 c 11000"); + PrintAndLog(" lf cmdread d 80 z 100 o 100 c 11000 H"); + return 0; +} + /* send a command before reading */ int CmdLFCommandRead(const char *Cmd) { - static char dummy[3]; - - dummy[0]= ' '; - + static char dummy[3] = {0x20,0x00,0x00}; 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' + 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 'H': + //divisor = 88; + dummy[1]='h'; + cmdp++; + break; + case 'L': + cmdp++; + break; + case 'c': + param_getstr(Cmd, cmdp+1, (char *)&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(); + + // in case they specified 'H' strcpy((char *)&c.d.asBytes + strlen((char *)c.d.asBytes), dummy); + + clearCommandBuffer(); SendCommand(&c); return 0; } @@ -59,7 +128,7 @@ 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]; @@ -141,10 +210,13 @@ int CmdIndalaDemod(const char *Cmd) uint8_t rawbits[4096]; int rawbit = 0; int worst = 0, worstPos = 0; - // PrintAndLog("Expecting a bit less than %d raw bits", GraphTraceLen / 32); + // PrintAndLog("Expecting a bit less than %d raw bits", GraphTraceLen / 32); + + // loop through raw signal - since we know it is psk1 rf/32 fc/2 skip every other value (+=2) for (i = 0; i < GraphTraceLen-1; i += 2) { count += 1; if ((GraphBuffer[i] > GraphBuffer[i + 1]) && (state != 1)) { + // appears redundant - marshmellow if (state == 0) { for (j = 0; j < count - 8; j += 16) { rawbits[rawbit++] = 0; @@ -157,6 +229,7 @@ int CmdIndalaDemod(const char *Cmd) state = 1; count = 0; } else if ((GraphBuffer[i] < GraphBuffer[i + 1]) && (state != 0)) { + //appears redundant if (state == 1) { for (j = 0; j < count - 8; j += 16) { rawbits[rawbit++] = 1; @@ -354,11 +427,12 @@ int CmdIndalaClone(const char *Cmd) c.arg[1] = uid2; } + clearCommandBuffer(); SendCommand(&c); return 0; } -int usage_lf_read() +int usage_lf_read(void) { PrintAndLog("Usage: lf read"); PrintAndLog("Options: "); @@ -368,7 +442,7 @@ int usage_lf_read() PrintAndLog("Use 'lf config' to set parameters."); return 0; } -int usage_lf_snoop() +int usage_lf_snoop(void) { PrintAndLog("Usage: lf snoop"); PrintAndLog("Options: "); @@ -378,7 +452,7 @@ 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: "); @@ -468,7 +542,7 @@ 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 @@ -476,6 +550,7 @@ int CmdLFSetConfig(const char *Cmd) //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; } @@ -492,8 +567,14 @@ int CmdLFRead(const char *Cmd) 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}}; + clearCommandBuffer(); SendCommand(&c); - WaitForResponse(CMD_ACK,NULL); + //WaitForResponse(CMD_ACK,NULL); + if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) { + PrintAndLog("command execution time out"); + return 1; + } + return 0; } @@ -506,6 +587,7 @@ int CmdLFSnoop(const char *Cmd) } UsbCommand c = {CMD_LF_SNOOP_RAW_ADC_SAMPLES}; + clearCommandBuffer(); SendCommand(&c); WaitForResponse(CMD_ACK,NULL); return 0; @@ -552,6 +634,7 @@ 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 +666,7 @@ 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 +687,7 @@ 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) { @@ -701,6 +784,7 @@ 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; } @@ -794,6 +878,7 @@ 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; } @@ -901,6 +986,7 @@ 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; @@ -996,6 +1082,7 @@ int CmdVchDemod(const char *Cmd) int CmdLFfind(const char *Cmd) { 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') { @@ -1014,7 +1101,7 @@ int CmdLFfind(const char *Cmd) if (!offline && (cmdp != '1')){ CmdLFRead("s"); getSamples("30000",false); - } else if (GraphTraceLen < 1000) { + } else if (GraphTraceLen < minLength) { PrintAndLog("Data in Graphbuffer was too small."); return 0; } @@ -1024,6 +1111,24 @@ 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 (!offline && (cmdp != '1')){ + ans=CmdLFHitagReader("26"); + if (ans==0) { + return 1; + } + ans=CmdCOTAGRead(""); + if (ans>0){ + PrintAndLog("\nValid COTAG ID Found!"); + return 1; + } + } + return 0; + } + ans=CmdFSKdemodIO(""); if (ans>0) { PrintAndLog("\nValid IO Prox ID Found!"); @@ -1054,13 +1159,6 @@ int CmdLFfind(const char *Cmd) return 1; } - //add psk and indala - ans=CmdIndalaDecode(""); - if (ans>0) { - PrintAndLog("\nValid Indala ID Found!"); - return 1; - } - ans=CmdAskEM410xDemod(""); if (ans>0) { PrintAndLog("\nValid EM410x ID Found!"); @@ -1085,6 +1183,18 @@ int CmdLFfind(const char *Cmd) return 1; } + ans=CmdVikingDemod(""); + if (ans>0) { + PrintAndLog("\nValid Viking ID Found!"); + return 1; + } + + ans=CmdIndalaDecode(""); + if (ans>0) { + PrintAndLog("\nValid Indala ID Found!"); + return 1; + } + ans=CmdPSKNexWatch(""); if (ans>0) { PrintAndLog("\nValid NexWatch ID Found!"); @@ -1105,7 +1215,8 @@ int CmdLFfind(const char *Cmd) return 1; } } - 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'"); @@ -1126,13 +1237,21 @@ 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 RFIDs... }"}, + {"em4x", CmdLFEM4X, 1, "{ EM4X RFIDs... }"}, + {"hid", CmdLFHID, 1, "{ HID RFIDs... }"}, + {"hitag", CmdLFHitag, 1, "{ Hitag tags and transponders... }"}, + {"io", CmdLFIO, 1, "{ ioProx tags... }"}, + {"presco", CmdLFPresco, 1, "{ Presco RFIDs... }"}, + {"pcf7931", CmdLFPCF7931, 1, "{ PCF7931 RFIDs... }"}, + {"pyramid", CmdLFPyramid, 1, "{ Farpointe/Pyramid RFIDs... }"}, + {"t55xx", CmdLFT55XX, 1, "{ T55xx RFIDs... }"}, + {"ti", CmdLFTI, 1, "{ TI RFIDs... }"}, + {"viking", CmdLFViking, 1, "{ Viking tags... }"}, + {"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"}, @@ -1143,11 +1262,7 @@ static command_t CommandTable[] = {"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} };