X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/babca445ffa9f7af6f5e1deb78476754c484a2b1..d9de20fa4bb0a36052927b55c4185caa204c5c4d:/client/cmdhf15.c?ds=sidebyside diff --git a/client/cmdhf15.c b/client/cmdhf15.c index 570a0420..da83ccaf 100644 --- a/client/cmdhf15.c +++ b/client/cmdhf15.c @@ -22,29 +22,70 @@ // the client. Signal Processing & decoding is done on the pc. This is the slowest // variant, but offers the possibility to analyze the waveforms directly. +#include "cmdhf15.h" + #include #include #include #include -#include "proxmark3.h" +#include "comms.h" #include "graph.h" #include "ui.h" #include "util.h" #include "cmdparser.h" -#include "cmdhf15.h" #include "iso15693tools.h" +#include "protocols.h" #include "cmdmain.h" -#define FrameSOF Iso15693FrameSOF -#define Logic0 Iso15693Logic0 -#define Logic1 Iso15693Logic1 -#define FrameEOF Iso15693FrameEOF - #define Crc(data,datalen) Iso15693Crc(data,datalen) #define AddCrc(data,datalen) Iso15693AddCrc(data,datalen) #define sprintUID(target,uid) Iso15693sprintUID(target,uid) +// SOF defined as +// 1) Unmodulated time of 56.64us +// 2) 24 pulses of 423.75khz +// 3) logic '1' (unmodulated for 18.88us followed by 8 pulses of 423.75khz) + +static const int Iso15693FrameSOF[] = { + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + -1, -1, -1, -1, + -1, -1, -1, -1, + 1, 1, 1, 1, + 1, 1, 1, 1 +}; +static const int Iso15693Logic0[] = { + 1, 1, 1, 1, + 1, 1, 1, 1, + -1, -1, -1, -1, + -1, -1, -1, -1 +}; +static const int Iso15693Logic1[] = { + -1, -1, -1, -1, + -1, -1, -1, -1, + 1, 1, 1, 1, + 1, 1, 1, 1 +}; + +// EOF defined as +// 1) logic '0' (8 pulses of 423.75khz followed by unmodulated for 18.88us) +// 2) 24 pulses of 423.75khz +// 3) Unmodulated time of 56.64us + +static const int Iso15693FrameEOF[] = { + 1, 1, 1, 1, + 1, 1, 1, 1, + -1, -1, -1, -1, + -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 +}; + // structure and database for uid -> tagtype lookups typedef struct { uint64_t uid; @@ -211,18 +252,17 @@ int getUID(uint8_t *buf) for (int retry=0;retry<3; retry++) { // don't give up the at the first try - req[0]= ISO15_REQ_SUBCARRIER_SINGLE | ISO15_REQ_DATARATE_HIGH | - ISO15_REQ_INVENTORY | ISO15_REQINV_SLOT1; - req[1]=ISO15_CMD_INVENTORY; - req[2]=0; // mask length - reqlen=AddCrc(req,3); - c.arg[0]=reqlen; + req[0] = ISO15693_REQ_DATARATE_HIGH | ISO15693_REQ_INVENTORY | ISO15693_REQINV_SLOT1; + req[1] = ISO15693_INVENTORY; + req[2] = 0; // mask length + reqlen = AddCrc(req,3); + c.arg[0] = reqlen; SendCommand(&c); if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) { recv = resp.d.asBytes; - if (resp.arg[0]>=12 && ISO15_CRC_CHECK==Crc(recv,12)) { + if (resp.arg[0]>=12 && ISO15693_CRC_CHECK==Crc(recv,12)) { memcpy(buf,&recv[2],8); return 1; } @@ -267,7 +307,7 @@ static char* TagErrorStr(uint8_t error) { case 0x02: return "The command is not recognised"; case 0x03: return "The option is not supported."; case 0x0f: return "Unknown error."; - case 0x10: return "The specified block is not available (doesn’t exist)."; + case 0x10: return "The specified block is not available (doesn't exist)."; case 0x11: return "The specified block is already -locked and thus cannot be locked again"; case 0x12: return "The specified block is locked and its content cannot be changed."; case 0x13: return "The specified block was not successfully programmed."; @@ -285,15 +325,15 @@ int CmdHF15Demod(const char *Cmd) int i, j; int max = 0, maxPos = 0; - int skip = 4; + int skip = 2; - if (GraphTraceLen < 1000) return 0; + if (GraphTraceLen < 2000) return 0; // First, correlate for SOF - for (i = 0; i < 100; i++) { + for (i = 0; i < 200; i++) { int corr = 0; - for (j = 0; j < arraylen(FrameSOF); j += skip) { - corr += FrameSOF[j] * GraphBuffer[i + (j / skip)]; + for (j = 0; j < arraylen(Iso15693FrameSOF); j += skip) { + corr += Iso15693FrameSOF[j] * GraphBuffer[i + (j / skip)]; } if (corr > max) { max = corr; @@ -301,43 +341,50 @@ int CmdHF15Demod(const char *Cmd) } } PrintAndLog("SOF at %d, correlation %d", maxPos, - max / (arraylen(FrameSOF) / skip)); + max / (arraylen(Iso15693FrameSOF) / skip)); - i = maxPos + arraylen(FrameSOF) / skip; + i = maxPos + arraylen(Iso15693FrameSOF) / skip; int k = 0; uint8_t outBuf[20]; memset(outBuf, 0, sizeof(outBuf)); uint8_t mask = 0x01; for (;;) { - int corr0 = 0, corr1 = 0, corrEOF = 0; - for (j = 0; j < arraylen(Logic0); j += skip) { - corr0 += Logic0[j] * GraphBuffer[i + (j / skip)]; - } - for (j = 0; j < arraylen(Logic1); j += skip) { - corr1 += Logic1[j] * GraphBuffer[i + (j / skip)]; - } - for (j = 0; j < arraylen(FrameEOF); j += skip) { - corrEOF += FrameEOF[j] * GraphBuffer[i + (j / skip)]; - } - // Even things out by the length of the target waveform. - corr0 *= 4; - corr1 *= 4; - - if (corrEOF > corr1 && corrEOF > corr0) { - PrintAndLog("EOF at %d", i); - break; + int corr0 = 0, corr00 = 0, corr01 = 0, corr1 = 0, corrEOF = 0; + for(j = 0; j < arraylen(Iso15693Logic0); j += skip) { + corr0 += Iso15693Logic0[j]*GraphBuffer[i+(j/skip)]; + } + corr01 = corr00 = corr0; + for(j = 0; j < arraylen(Iso15693Logic0); j += skip) { + corr00 += Iso15693Logic0[j]*GraphBuffer[i+arraylen(Iso15693Logic0)/skip+(j/skip)]; + corr01 += Iso15693Logic1[j]*GraphBuffer[i+arraylen(Iso15693Logic0)/skip+(j/skip)]; + } + for(j = 0; j < arraylen(Iso15693Logic1); j += skip) { + corr1 += Iso15693Logic1[j]*GraphBuffer[i+(j/skip)]; + } + for(j = 0; j < arraylen(Iso15693FrameEOF); j += skip) { + corrEOF += Iso15693FrameEOF[j]*GraphBuffer[i+(j/skip)]; + } + // Even things out by the length of the target waveform. + corr00 *= 2; + corr01 *= 2; + corr0 *= 4; + corr1 *= 4; + + if(corrEOF > corr1 && corrEOF > corr00 && corrEOF > corr01) { + PrintAndLog("EOF at %d", i); + break; } else if (corr1 > corr0) { - i += arraylen(Logic1) / skip; + i += arraylen(Iso15693Logic1) / skip; outBuf[k] |= mask; } else { - i += arraylen(Logic0) / skip; + i += arraylen(Iso15693Logic0) / skip; } mask <<= 1; if (mask == 0) { k++; mask = 0x01; } - if ((i + (int)arraylen(FrameEOF)) >= GraphTraceLen) { + if ((i + (int)arraylen(Iso15693FrameEOF)) >= GraphTraceLen) { PrintAndLog("ran off end!"); break; } @@ -365,10 +412,10 @@ int CmdHF15Read(const char *Cmd) return 0; } -// Record Activity without enabeling carrier -int CmdHF15Record(const char *Cmd) +// Record Activity without enabling carrier +int CmdHF15Snoop(const char *Cmd) { - UsbCommand c = {CMD_RECORD_RAW_ADC_SAMPLES_ISO_15693}; + UsbCommand c = {CMD_SNOOP_ISO_15693}; SendCommand(&c); return 0; } @@ -415,6 +462,7 @@ int CmdHF15Sim(const char *Cmd) PrintAndLog("Starting simulating UID %02X %02X %02X %02X %02X %02X %02X %02X", uid[0],uid[1],uid[2],uid[3],uid[4], uid[5], uid[6], uid[7]); + PrintAndLog("Press the button to stop simulation"); UsbCommand c = {CMD_SIMTAG_ISO_15693, {0, 0, 0}}; memcpy(c.d.asBytes,uid,8); @@ -453,20 +501,19 @@ int CmdHF15DumpMem(const char*Cmd) { for (int retry=0; retry<5; retry++) { - req[0]= ISO15_REQ_SUBCARRIER_SINGLE | ISO15_REQ_DATARATE_HIGH | - ISO15_REQ_NONINVENTORY | ISO15_REQ_ADDRESS; - req[1]=ISO15_CMD_READ; + req[0]= ISO15693_REQ_DATARATE_HIGH | ISO15693_REQ_ADDRESS; + req[1] = ISO15693_READBLOCK; memcpy(&req[2],uid,8); - req[10]=blocknum; - reqlen=AddCrc(req,11); - c.arg[0]=reqlen; + req[10] = blocknum; + reqlen = AddCrc(req,11); + c.arg[0] = reqlen; SendCommand(&c); if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) { recv = resp.d.asBytes; - if (ISO15_CRC_CHECK==Crc(recv,resp.arg[0])) { - if (!(recv[0] & ISO15_RES_ERROR)) { + if (ISO15693_CRC_CHECK==Crc(recv,resp.arg[0])) { + if (!(recv[0] & ISO15693_RES_ERROR)) { retry=0; *output=0; // reset outputstring sprintf(output, "Block %02x ",blocknum); @@ -490,7 +537,7 @@ int CmdHF15DumpMem(const char*Cmd) { // TODO: need fix // if (resp.arg[0]<3) // PrintAndLog("Lost Connection"); -// else if (ISO15_CRC_CHECK!=Crc(resp.d.asBytes,resp.arg[0])) +// else if (ISO15693_CRC_CHECK!=Crc(resp.d.asBytes,resp.arg[0])) // PrintAndLog("CRC Failed"); // else // PrintAndLog("Tag returned Error %i: %s",recv[1],TagErrorStr(recv[1])); @@ -505,13 +552,13 @@ static command_t CommandTable15[] = {"help", CmdHF15Help, 1, "This help"}, {"demod", CmdHF15Demod, 1, "Demodulate ISO15693 from tag"}, {"read", CmdHF15Read, 0, "Read HF tag (ISO 15693)"}, - {"record", CmdHF15Record, 0, "Record Samples (ISO 15693)"}, // atrox + {"snoop", CmdHF15Snoop, 0, "Eavesdrop ISO 15693 communications"}, {"reader", CmdHF15Reader, 0, "Act like an ISO15693 reader"}, {"sim", CmdHF15Sim, 0, "Fake an ISO15693 tag"}, {"cmd", CmdHF15Cmd, 0, "Send direct commands to ISO15693 tag"}, {"findafi", CmdHF15Afi, 0, "Brute force AFI of an ISO15693 tag"}, {"dumpmemory", CmdHF15DumpMem, 0, "Read all memory pages of an ISO15693 tag"}, - {NULL, NULL, 0, NULL} + {NULL, NULL, 0, NULL} }; int CmdHF15(const char *Cmd) @@ -538,12 +585,11 @@ int CmdHF15CmdInquiry(const char *Cmd) uint8_t *req=c.d.asBytes; int reqlen=0; - req[0]= ISO15_REQ_SUBCARRIER_SINGLE | ISO15_REQ_DATARATE_HIGH | - ISO15_REQ_INVENTORY | ISO15_REQINV_SLOT1; - req[1]=ISO15_CMD_INVENTORY; - req[2]=0; // mask length + req[0] = ISO15693_REQ_DATARATE_HIGH | ISO15693_REQ_INVENTORY | ISO15693_REQINV_SLOT1; + req[1] = ISO15693_INVENTORY; + req[2] = 0; // mask length reqlen=AddCrc(req,3); - c.arg[0]=reqlen; + c.arg[0] = reqlen; SendCommand(&c); @@ -564,9 +610,9 @@ int CmdHF15CmdInquiry(const char *Cmd) // Turns debugging on(1)/off(0) int CmdHF15CmdDebug( const char *cmd) { - int debug=atoi(cmd); - if (strlen(cmd)<1) { - PrintAndLog("Usage: hf 15 cmd debug <0|1>"); + int debug = atoi(cmd); + if (strlen(cmd) < 1) { + PrintAndLog("Usage: hf 15 debug <0|1>"); PrintAndLog(" 0 no debugging"); PrintAndLog(" 1 turn debugging on"); return 0; @@ -697,7 +743,7 @@ int prepareHF15Cmd(char **cmd, UsbCommand *c, uint8_t iso15cmd[], int iso15cmdle while (**cmd==' ' || **cmd=='\t') (*cmd)++; if (strstr(*cmd,"-o")==*cmd) { - req[reqlen]=ISO15_REQ_OPTION; + req[reqlen]=ISO15693_REQ_OPTION; (*cmd)+=2; } @@ -712,36 +758,32 @@ int prepareHF15Cmd(char **cmd, UsbCommand *c, uint8_t iso15cmd[], int iso15cmdle case 's': case 'S': // you must have selected the tag earlier - req[reqlen++]|= ISO15_REQ_SUBCARRIER_SINGLE | ISO15_REQ_DATARATE_HIGH | - ISO15_REQ_NONINVENTORY | ISO15_REQ_SELECT; - memcpy(&req[reqlen],&iso15cmd[0],iso15cmdlen); - reqlen+=iso15cmdlen; + req[reqlen++] |= ISO15693_REQ_DATARATE_HIGH | ISO15693_REQ_SELECT; + memcpy(&req[reqlen],&iso15cmd[0],iso15cmdlen); + reqlen += iso15cmdlen; break; case 'u': case 'U': // unaddressed mode may not be supported by all vendors - req[reqlen++]|= ISO15_REQ_SUBCARRIER_SINGLE | ISO15_REQ_DATARATE_HIGH | - ISO15_REQ_NONINVENTORY; - memcpy(&req[reqlen],&iso15cmd[0],iso15cmdlen); - reqlen+=iso15cmdlen; + req[reqlen++] |= ISO15693_REQ_DATARATE_HIGH; + memcpy(&req[reqlen],&iso15cmd[0],iso15cmdlen); + reqlen += iso15cmdlen; break; case '*': // we scan for the UID ourself - req[reqlen++]|= ISO15_REQ_SUBCARRIER_SINGLE | ISO15_REQ_DATARATE_HIGH | - ISO15_REQ_NONINVENTORY | ISO15_REQ_ADDRESS; - memcpy(&req[reqlen],&iso15cmd[0],iso15cmdlen); + req[reqlen++] |= ISO15693_REQ_DATARATE_HIGH | ISO15693_REQ_ADDRESS; + memcpy(&req[reqlen],&iso15cmd[0],iso15cmdlen); reqlen+=iso15cmdlen; - if (!getUID(uid)) { - PrintAndLog("No Tag found"); - return 0; - } - memcpy(req+reqlen,uid,8); - PrintAndLog("Detected UID %s",sprintUID(NULL,uid)); - reqlen+=8; + if (!getUID(uid)) { + PrintAndLog("No Tag found"); + return 0; + } + memcpy(req+reqlen,uid,8); + PrintAndLog("Detected UID %s",sprintUID(NULL,uid)); + reqlen+=8; break; default: - req[reqlen++]|= ISO15_REQ_SUBCARRIER_SINGLE | ISO15_REQ_DATARATE_HIGH | - ISO15_REQ_NONINVENTORY | ISO15_REQ_ADDRESS; + req[reqlen++] |= ISO15693_REQ_DATARATE_HIGH | ISO15693_REQ_ADDRESS; memcpy(&req[reqlen],&iso15cmd[0],iso15cmdlen); reqlen+=iso15cmdlen; @@ -800,7 +842,7 @@ int CmdHF15CmdSysinfo(const char *Cmd) { return 0; } - prepareHF15Cmd(&cmd, &c,(uint8_t[]){ISO15_CMD_SYSINFO},1); + prepareHF15Cmd(&cmd, &c,(uint8_t[]){ISO15693_GET_SYSTEM_INFO},1); reqlen=c.arg[0]; reqlen=AddCrc(req,reqlen); @@ -810,8 +852,8 @@ int CmdHF15CmdSysinfo(const char *Cmd) { if (WaitForResponseTimeout(CMD_ACK,&resp,1000) && resp.arg[0]>2) { recv = resp.d.asBytes; - if (ISO15_CRC_CHECK==Crc(recv,resp.arg[0])) { - if (!(recv[0] & ISO15_RES_ERROR)) { + if (ISO15693_CRC_CHECK==Crc(recv,resp.arg[0])) { + if (!(recv[0] & ISO15693_RES_ERROR)) { *output=0; // reset outputstring for ( i=1; i2) { recv = resp.d.asBytes; - if (ISO15_CRC_CHECK==Crc(recv,resp.arg[0])) { - if (!(recv[0] & ISO15_RES_ERROR)) { + if (ISO15693_CRC_CHECK==Crc(recv,resp.arg[0])) { + if (!(recv[0] & ISO15693_RES_ERROR)) { *output=0; // reset outputstring for ( int i=1; i2) { recv = resp.d.asBytes; - if (ISO15_CRC_CHECK==Crc(recv,resp.arg[0])) { - if (!(recv[0] & ISO15_RES_ERROR)) { + if (ISO15693_CRC_CHECK==Crc(recv,resp.arg[0])) { + if (!(recv[0] & ISO15693_RES_ERROR)) { *output=0; // reset outputstring //sprintf(output, "Block %2i ",blocknum); for ( int i=1; i page num ; *cmd2 -> data @@ -1077,8 +1119,8 @@ int CmdHF15CmdWrite(const char *Cmd) { if (WaitForResponseTimeout(CMD_ACK,&resp,2000) && resp.arg[0]>2) { recv = resp.d.asBytes; - if (ISO15_CRC_CHECK==Crc(recv,resp.arg[0])) { - if (!(recv[0] & ISO15_RES_ERROR)) { + if (ISO15693_CRC_CHECK==Crc(recv,resp.arg[0])) { + if (!(recv[0] & ISO15693_RES_ERROR)) { PrintAndLog("OK"); } else { PrintAndLog("Tag returned Error %i: %s",recv[1],TagErrorStr(recv[1]));