X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/913d23c661c72190c7f16e3cb42264fda76c089c..5644791bdb264300ebfac1c2e51cfc7d231c4070:/client/cmdlfem4x.c diff --git a/client/cmdlfem4x.c b/client/cmdlfem4x.c index 8bb4d109..f29da8e0 100644 --- a/client/cmdlfem4x.c +++ b/client/cmdlfem4x.c @@ -9,7 +9,10 @@ //----------------------------------------------------------------------------- #include -#include "proxusb.h" +#include +#include +//#include "proxusb.h" +#include "proxmark3.h" #include "ui.h" #include "graph.h" #include "cmdparser.h" @@ -19,6 +22,20 @@ static int CmdHelp(const char *Cmd); + + +int CmdEMdemodASK(const char *Cmd) +{ + int findone=0; + UsbCommand c={CMD_EM410X_DEMOD}; + if(Cmd[0]=='1') findone=1; + c.arg[0]=findone; + SendCommand(&c); + return 0; +} + + + /* Read the ID of an EM410x tag. * Format: * 1111 1111 1 <-- standard non-repeatable header @@ -32,8 +49,9 @@ 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]; int retested = 0; - int BitStream[MAX_GRAPH_TRACE_LEN]; + uint8_t BitStream[MAX_GRAPH_TRACE_LEN]; high = low = 0; /* Detect high and lows and clock */ @@ -98,6 +116,7 @@ retest: { /* Read another byte! */ sprintf(id+rows, "%x", (8 * BitStream[i]) + (4 * BitStream[i+1]) + (2 * BitStream[i+2]) + (1 * BitStream[i+3])); + sprintf(id2+rows, "%x", (8 * BitStream[i+3]) + (4 * BitStream[i+2]) + (2 * BitStream[i+1]) + (1 * BitStream[i])); rows++; /* Keep parity info */ @@ -132,6 +151,7 @@ retest: { /* Sweet! */ PrintAndLog("EM410x Tag ID: %s", id); + PrintAndLog("Unique Tag ID: %s", id2); /* Stop any loops */ return 1; @@ -245,11 +265,20 @@ int CmdEM410xSim(const char *Cmd) * looped until an EM410x tag is detected */ int CmdEM410xWatch(const char *Cmd) { + int read_h = (*Cmd == 'h'); do { - CmdLFRead(""); - CmdSamples("2000"); - } while ( ! CmdEM410xRead("")); + CmdLFRead(read_h ? "h" : ""); + // 2000 samples is OK for clock=64, but not clock=32. Probably want + // 8000 for clock=16. Don't want to go too high since old HID driver + // is very slow + // TBD: Auto-grow sample size based on detected sample rate. IE: If the + // rate gets lower, then grow the number of samples + + // Changed by martin, 4000 x 4 = 16000, + // see http://www.proxmark.org/forum/viewtopic.php?pid=7235#p7235 + CmdSamples("16000"); + } while ( ! CmdEM410xRead("")); return 0; } @@ -274,13 +303,12 @@ int CmdEM410xWatch(const char *Cmd) */ int CmdEM4x50Read(const char *Cmd) { - int i, j, startblock, clock, skip, block, start, end, low, high; + int i, j, startblock, skip, block, start, end, low, high; bool complete= false; int tmpbuff[MAX_GRAPH_TRACE_LEN / 64]; char tmp[6]; high= low= 0; - clock= 64; memset(tmpbuff, 0, MAX_GRAPH_TRACE_LEN / 64); /* first get high and low values */ @@ -305,7 +333,7 @@ int CmdEM4x50Read(const char *Cmd) ++i; while ((GraphBuffer[i] > low) && (i(MAX_GRAPH_TRACE_LEN/64)) { + if (j>=(MAX_GRAPH_TRACE_LEN/64)) { break; } tmpbuff[j++]= i - start; @@ -398,13 +426,185 @@ int CmdEM4x50Read(const char *Cmd) return 0; } -static command_t CommandTable[] = +int CmdEM410xWrite(const char *Cmd) +{ + uint64_t id = 0xFFFFFFFFFFFFFFFF; // invalid id value + int card = 0xFF; // invalid card value + unsigned int clock = 0; // invalid clock value + + sscanf(Cmd, "%" PRIx64 " %d %d", &id, &card, &clock); + + // Check ID + if (id == 0xFFFFFFFFFFFFFFFF) { + PrintAndLog("Error! ID is required.\n"); + return 0; + } + if (id >= 0x10000000000) { + PrintAndLog("Error! Given EM410x ID is longer than 40 bits.\n"); + return 0; + } + + // Check Card + if (card == 0xFF) { + PrintAndLog("Error! Card type required.\n"); + return 0; + } + if (card < 0) { + PrintAndLog("Error! Bad card type selected.\n"); + return 0; + } + + // Check Clock + if (card == 1) + { + // Default: 64 + if (clock == 0) + clock = 64; + + // Allowed clock rates: 16, 32 and 64 + if ((clock != 16) && (clock != 32) && (clock != 64)) { + PrintAndLog("Error! Clock rate %d not valid. Supported clock rates are 16, 32 and 64.\n", clock); + return 0; + } + } + else if (clock != 0) + { + PrintAndLog("Error! Clock rate is only supported on T55x7 tags.\n"); + return 0; + } + + if (card == 1) { + PrintAndLog("Writing %s tag with UID 0x%010" PRIx64 " (clock rate: %d)", "T55x7", id, clock); + // NOTE: We really should pass the clock in as a separate argument, but to + // provide for backwards-compatibility for older firmware, and to avoid + // having to add another argument to CMD_EM410X_WRITE_TAG, we just store + // the clock rate in bits 8-15 of the card value + card = (card & 0xFF) | (((uint64_t)clock << 8) & 0xFF00); + } + else if (card == 0) + PrintAndLog("Writing %s tag with UID 0x%010" PRIx64, "T5555", id, clock); + else { + PrintAndLog("Error! Bad card type selected.\n"); + return 0; + } + + UsbCommand c = {CMD_EM410X_WRITE_TAG, {card, (uint32_t)(id >> 32), (uint32_t)id}}; + SendCommand(&c); + + return 0; +} + +int CmdReadWord(const char *Cmd) +{ + int Word = 16; //default to invalid word + UsbCommand c; + + sscanf(Cmd, "%d", &Word); + + if (Word > 15) { + PrintAndLog("Word must be between 0 and 15"); + return 1; + } + + 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); + return 0; +} + +int CmdReadWordPWD(const char *Cmd) +{ + int Word = 16; //default to invalid word + int Password = 0xFFFFFFFF; //default to blank password + UsbCommand c; + + sscanf(Cmd, "%d %x", &Word, &Password); + + if (Word > 15) { + 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); + return 0; +} + +int CmdWriteWord(const char *Cmd) +{ + int Word = 16; //default to invalid block + int Data = 0xFFFFFFFF; //default to blank data + UsbCommand c; + + sscanf(Cmd, "%x %d", &Data, &Word); + + if (Word > 15) { + PrintAndLog("Word must be between 0 and 15"); + return 1; + } + + PrintAndLog("Writting word %d with data %08X", Word, Data); + + c.cmd = CMD_EM4X_WRITE_WORD; + c.d.asBytes[0] = 0x0; //Normal mode + c.arg[0] = Data; + c.arg[1] = Word; + c.arg[2] = 0; + SendCommand(&c); + return 0; +} + +int CmdWriteWordPWD(const char *Cmd) +{ + int Word = 8; //default to invalid word + int Data = 0xFFFFFFFF; //default to blank data + int Password = 0xFFFFFFFF; //default to blank password + UsbCommand c; + + sscanf(Cmd, "%x %d %x", &Data, &Word, &Password); + + if (Word > 15) { + PrintAndLog("Word must be between 0 and 15"); + return 1; + } + + PrintAndLog("Writting word %d with data %08X and password %08X", Word, Data, Password); + + c.cmd = CMD_EM4X_WRITE_WORD; + c.d.asBytes[0] = 0x1; //Password mode + c.arg[0] = Data; + c.arg[1] = Word; + c.arg[2] = Password; + SendCommand(&c); + return 0; +} + + + +static command_t CommandTable[] = { - {"help", CmdHelp, 1, "This help"}, - {"em410xread", CmdEM410xRead, 1, "[clock rate] -- Extract ID from EM410x tag"}, - {"em410xsim", CmdEM410xSim, 0, " -- Simulate EM410x tag"}, - {"em410xwatch", CmdEM410xWatch, 0, "Watches for EM410x tags"}, - {"em4x50read", CmdEM4x50Read, 1, "Extract data from EM4x50 tag"}, + {"help", CmdHelp, 1, "This help"}, + {"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)"}, + {"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} };