-//-----------------------------------------------------------------------------
+ //-----------------------------------------------------------------------------
// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
//-----------------------------------------------------------------------------
#include <stdio.h>
-#include "proxusb.h"
+#include <string.h>
+#include <inttypes.h>
+#include "proxmark3.h"
#include "ui.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 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 */
{
/* 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 */
{
/* Sweet! */
PrintAndLog("EM410x Tag ID: %s", id);
+ PrintAndLog("Unique Tag ID: %s", id2);
+ global_em410xId = id;
+
/* Stop any loops */
return 1;
}
}
/* if we've already retested after flipping bits, return */
- if (retested++)
+ if (retested++){
return 0;
+ }
/* if this didn't work, try flipping bits */
for (i = 0; i < bit2idx; i++)
* 0 <-- stop bit, end of tag
*/
int CmdEM410xSim(const char *Cmd)
-{
- int i, n, j, h, binary[4], parity[4];
-
+{
+ int i, n, j, h, 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 <UID>");
+ PrintAndLog("");
+ PrintAndLog(" sample: lf em4x sim 0F0368568B");
+ return 0;
+ }
+
+ if (param_gethex(Cmd, 0, uid, 10)) {
+ PrintAndLog("UID must include 10 HEX symbols");
+ return 0;
+ }
+
+ PrintAndLog("Starting simulating with UID %02X %02X %02X %02X %02X", uid[0],uid[1],uid[2],uid[3],uid[4]);
+
+
/* clock is 64 in EM410x tags */
int clock = 64;
return 0;
}
-/* Function is equivalent of loread + losamples + em410xread
- * looped until an EM410x tag is detected */
+/* Function is equivalent of lf read + data samples + em410xread
+ * looped until an EM410x tag is detected
+ *
+ * Why is CmdSamples("16000")?
+ * 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
+
+*/
int CmdEM410xWatch(const char *Cmd)
{
- do
- {
- CmdLFRead("");
- CmdSamples("2000");
- } while ( ! CmdEM410xRead(""));
+ int read_h = (*Cmd == 'h');
+ do
+ {
+ if (ukbhit()) {
+ printf("\naborted via keyboard!\n");
+ break;
+ }
+
+ CmdLFRead(read_h ? "h" : "");
+ CmdSamples("16000");
+
+ } while (
+ !CmdEM410xRead("64")
+ );
+ return 0;
+}
+
+int CmdEM410xWatchnSpoof(const char *Cmd)
+{
+ CmdEM410xWatch(Cmd);
+ PrintAndLog("# Replaying : %s",global_em410xId);
+ CmdEM410xSim(global_em410xId);
return 0;
}
*/
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 */
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 = -1; //default to invalid word
+ UsbCommand c;
+
+ sscanf(Cmd, "%d", &Word);
+
+ if ( (Word > 15) | (Word < 0) ) {
+ 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);
+ 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();
+ 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);
+
+ if ( (Word > 15) | (Word < 0) ) {
+ 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();
+ 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, "<UID> -- Simulate EM410x tag"},
- {"em410xwatch", CmdEM410xWatch, 0, "Watches for EM410x tags"},
- {"em4x50read", CmdEM4x50Read, 1, "Extract data from EM4x50 tag"},
+ {"help", CmdHelp, 1, "This help"},
+ {"410xread", CmdEM410xRead, 1, "[clock rate] -- Extract ID from EM410x tag"},
+ {"410xsim", CmdEM410xSim, 0, "<UID> -- 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, "<UID> <'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, "<Word 1-15> -- Read EM4xxx word data"},
+ {"rdpwd", CmdReadWordPWD, 1, "<Word 1-15> <Password> -- Read EM4xxx word data in password mode "},
+ {"wr", CmdWriteWord, 1, "<Data> <Word 1-15> -- Write EM4xxx word data"},
+ {"wrpwd", CmdWriteWordPWD, 1, "<Data> <Word 1-15> <Password> -- Write EM4xxx word data in password mode"},
{NULL, NULL, 0, NULL}
};
projects / proxmark3-svn / blobdiff