ADD: forgot to add the files

diff --git a/client/cmdlfvisa2000.c b/client/cmdlfvisa2000.c
new file mode 100644 (file)
index 0000000..da1fd2d
--- /dev/null
+++ b/client/cmdlfvisa2000.c
@@ -0,0 +1,179 @@
+//-----------------------------------------------------------------------------
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// Low frequency Presco tag commands
+//-----------------------------------------------------------------------------
+
+#include "cmdlfvisa2000.h"
+
+static int CmdHelp(const char *Cmd);
+
+int usage_lf_visa2k_clone(void){
+       PrintAndLog("clone a Visa2000 tag to a T55x7 tag.");
+       PrintAndLog("Usage: lf visa2k clone [h] <card ID> <Q5>");
+       PrintAndLog("Options:");
+       PrintAndLog("      h          : This help");
+       PrintAndLog("      <card ID>  : Visa2k card ID");
+       PrintAndLog("      <Q5>       : specify write to Q5 (t5555 instead of t55x7)");
+       PrintAndLog("");
+       PrintAndLog("Sample: lf visa2k clone 112233");
+       return 0;
+}
+
+int usage_lf_visa2k_sim(void) {
+       PrintAndLog("Enables simulation of visa2k card with specified card number.");
+       PrintAndLog("Simulation runs until the button is pressed or another USB command is issued.");
+       PrintAndLog("");
+       PrintAndLog("Usage:  lf visa2k sim [h] <card ID>");
+       PrintAndLog("Options:");
+       PrintAndLog("      h          : This help");
+       PrintAndLog("      <card ID>  : Visa2k card ID");
+       PrintAndLog("");
+       PrintAndLog("Sample: lf visa2k sim 112233");
+       return 0;
+}
+
+//see ASKDemod for what args are accepted
+int CmdVisa2kDemod(const char *Cmd) {
+
+       //ASK / Manchester
+       bool st = true;
+       if (!ASKDemod_ext("64 0 0", FALSE, FALSE, 1, &st)) {
+               if (g_debugMode) PrintAndLog("DEBUG: Error - Visa2k: ASK/Manchester Demod failed");
+               return 0;
+       }
+       size_t size = DemodBufferLen;
+       int ans = Visa2kDemod_AM(DemodBuffer, &size);
+       if (ans < 0){
+               if (g_debugMode){
+                       if (ans == -1)
+                               PrintAndLog("DEBUG: Error - Visa2k: too few bits found");
+                       else if (ans == -2)
+                               PrintAndLog("DEBUG: Error - Visa2k: preamble not found");
+                       else if (ans == -3)
+                               PrintAndLog("DEBUG: Error - Visa2k: Size not correct: %d", size);
+                       else
+                               PrintAndLog("DEBUG: Error - Visa2k: ans: %d", ans);
+               }
+               return 0;
+       }
+       setDemodBuf(DemodBuffer, 96, ans);
+       
+       //got a good demod
+       uint32_t raw1 = bytebits_to_byte(DemodBuffer, 32);
+       uint32_t raw2 = bytebits_to_byte(DemodBuffer+32, 32);
+       uint32_t raw3 = bytebits_to_byte(DemodBuffer+64, 32);
+
+       PrintAndLog("Visa2000 Tag Found: Card ID %u,  Raw: %08X%08X%08X", raw2,  raw1 ,raw2, raw3);
+       return 1;
+}
+
+int CmdVisa2kRead(const char *Cmd) {
+       CmdLFRead("s");
+       getSamples("20000",TRUE);
+       return CmdVisa2kDemod(Cmd);
+}
+
+int CmdVisa2kClone(const char *Cmd) {
+
+       uint64_t id = 0;
+       uint32_t blocks[4] = {T55x7_MODULATION_MANCHESTER | T55x7_BITRATE_RF_64 | T55x7_ST_TERMINATOR |3<<T55x7_MAXBLOCK_SHIFT, 0, 0};
+
+       // uint8_t bits[96];
+       // uint8_t *bs = bits;
+       // memset(bs, 0, sizeof(bits));
+       
+       char cmdp = param_getchar(Cmd, 0);
+       if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_visa2k_clone();
+
+       id = param_get32ex(Cmd, 0, 0, 10);
+       
+       //Q5
+       if (param_getchar(Cmd, 1) == 'Q' || param_getchar(Cmd, 1) == 'q') {
+               //t5555 (Q5) BITRATE = (RF-2)/2 (iceman)
+               blocks[0] = T5555_MODULATION_MANCHESTER | 64<<T5555_BITRATE_SHIFT | T5555_ST_TERMINATOR | 3<<T5555_MAXBLOCK_SHIFT;
+       }
+       
+       // if ( !getJablotronBits(fullcode, bs)) {
+               // PrintAndLog("Error with tag bitstream generation.");
+               // return 1;
+       // }    
+       
+       // 
+       blocks[1] = 0x56495332;
+       blocks[2] = id;
+       blocks[3] = 0;
+
+       PrintAndLog("Preparing to clone Visa2000 to T55x7 with CardId: %u", id);
+       PrintAndLog("Blk | Data ");
+       PrintAndLog("----+------------");
+       PrintAndLog(" 00 | 0x%08x", blocks[0]);
+       PrintAndLog(" 01 | 0x%08x", blocks[1]);
+       PrintAndLog(" 02 | 0x%08x", blocks[2]);
+       PrintAndLog(" 02 | 0x%08x", blocks[3]);
+       
+       UsbCommand resp;
+       UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {0,0,0}};
+
+       for (int i = 3; i >= 0; --i) {
+               c.arg[0] = blocks[i];
+               c.arg[1] = i;
+               clearCommandBuffer();
+               SendCommand(&c);
+               if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
+                       PrintAndLog("Error occurred, device did not respond during write operation.");
+                       return -1;
+               }
+       }
+    return 0;
+}
+
+int CmdVisa2kSim(const char *Cmd) {
+
+       uint32_t id = 0;
+       char cmdp = param_getchar(Cmd, 0);
+       if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_visa2k_sim();
+
+       id = param_get32ex(Cmd, 0, 0, 10);
+
+       uint8_t clk = 64, encoding = 1, separator = 1, invert = 0;
+       uint16_t arg1, arg2;
+       size_t size = 96;
+       arg1 = clk << 8 | encoding;
+       arg2 = invert << 8 | separator;
+
+       PrintAndLog("Simulating Visa2000 - CardId: %u", id);
+
+       UsbCommand c = {CMD_ASK_SIM_TAG, {arg1, arg2, size}};
+       
+       uint32_t blocks[3] = { 0x56495332, id, 0};
+
+       for(int i=0; i<3; ++i){
+               num_to_bytebits(blocks[i], 32, c.d.asBytes + i*32);
+       }
+       clearCommandBuffer();
+       SendCommand(&c);
+       return 0;
+}
+
+static command_t CommandTable[] = {
+    {"help",   CmdHelp,                1, "This help"},
+       {"read",        CmdVisa2kRead,  0, "Attempt to read and extract tag data"},
+       {"clone",       CmdVisa2kClone, 0, "clone Visa2000 tag"},
+       {"sim",         CmdVisa2kSim,   0, "simulate Visa2000 tag"},
+    {NULL, NULL, 0, NULL}
+};
+
+int CmdLFVisa2k(const char *Cmd) {
+       clearCommandBuffer();
+    CmdsParse(CommandTable, Cmd);
+    return 0;
+}
+
+int CmdHelp(const char *Cmd) {
+    CmdsHelp(CommandTable);
+    return 0;
+}

diff --git a/client/cmdlfvisa2000.h b/client/cmdlfvisa2000.h
new file mode 100644 (file)
index 0000000..e82e12c
--- /dev/null
+++ b/client/cmdlfvisa2000.h
@@ -0,0 +1,37 @@
+//-----------------------------------------------------------------------------
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// Low frequency T55xx commands
+//-----------------------------------------------------------------------------
+#ifndef CMDLFVISA2000_H__
+#define CMDLFVISA2000_H__
+#include <string.h>
+#include <inttypes.h>
+#include <math.h>
+#include "proxmark3.h"
+#include "ui.h"
+#include "util.h"
+#include "graph.h"
+#include "cmdparser.h"
+#include "cmddata.h"
+#include "cmdmain.h"
+#include "cmdlf.h"
+#include "protocols.h"  // for T55xx config register definitions
+#include "lfdemod.h"    // parityTest
+int CmdLFVisa2k(const char *Cmd);
+int CmdVisa2kClone(const char *Cmd);
+int CmdVisa2kSim(const char *Cmd);
+int CmdVisa2kRead(const char *Cmd);
+int CmdVisa2kDemod(const char *Cmd);
+
+int getvisa2kBits(uint64_t fullcode, uint8_t *bits);
+
+int usage_lf_visa2k_clone(void);
+int usage_lf_visa2k_sim(void);
+int usage_lf_visa2k_read(void);
+int usage_lf_visa2k_demod(void);
+#endif
+