]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdlfem4x.c
move em410x demod functions to cmdlfem4x.c
[proxmark3-svn] / client / cmdlfem4x.c
index c26b4f392b7b04f2392c0ca3af704bfd7a1ad502..12300955da5172f6186cb5ca6d240ea1ae11183e 100644 (file)
 #include "proxmark3.h"
 #include "ui.h"
 #include "util.h"
+#include "data.h"
 #include "graph.h"
 #include "cmdparser.h"
 #include "cmddata.h"
 #include "cmdlf.h"
 #include "cmdmain.h"
-#include "cmdlfem4x.h"
 #include "lfdemod.h"
 
-char *global_em410xId;
+uint64_t g_em410xId=0;
 
 static int CmdHelp(const char *Cmd);
 
@@ -36,6 +36,103 @@ int CmdEMdemodASK(const char *Cmd)
        return 0;
 }
 
+//by marshmellow
+//print 64 bit EM410x ID in multiple formats
+void printEM410x(uint32_t hi, uint64_t id)
+{
+       if (id || hi){
+               uint64_t iii=1;
+               uint64_t id2lo=0;
+               uint32_t ii=0;
+               uint32_t i=0;
+               for (ii=5; ii>0;ii--){
+                       for (i=0;i<8;i++){
+                               id2lo=(id2lo<<1LL) | ((id & (iii << (i+((ii-1)*8)))) >> (i+((ii-1)*8)));
+                       }
+               }
+               if (hi){
+                       //output 88 bit em id
+                       PrintAndLog("\nEM TAG ID      : %06X%016" PRIX64, hi, id);
+               } else{
+                       //output 40 bit em id
+                       PrintAndLog("\nEM TAG ID      : %010" PRIX64, id);
+                       PrintAndLog("\nPossible de-scramble patterns");
+                       PrintAndLog("Unique TAG ID  : %010" PRIX64,  id2lo);
+                       PrintAndLog("HoneyWell IdentKey {");
+                       PrintAndLog("DEZ 8          : %08" PRIu64,id & 0xFFFFFF);
+                       PrintAndLog("DEZ 10         : %010" PRIu64,id & 0xFFFFFFFF);
+                       PrintAndLog("DEZ 5.5        : %05lld.%05" PRIu64,(id>>16LL) & 0xFFFF,(id & 0xFFFF));
+                       PrintAndLog("DEZ 3.5A       : %03lld.%05" PRIu64,(id>>32ll),(id & 0xFFFF));
+                       PrintAndLog("DEZ 3.5B       : %03lld.%05" PRIu64,(id & 0xFF000000) >> 24,(id & 0xFFFF));
+                       PrintAndLog("DEZ 3.5C       : %03lld.%05" PRIu64,(id & 0xFF0000) >> 16,(id & 0xFFFF));
+                       PrintAndLog("DEZ 14/IK2     : %014" PRIu64,id);
+                       PrintAndLog("DEZ 15/IK3     : %015" PRIu64,id2lo);
+                       PrintAndLog("DEZ 20/ZK      : %02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64,
+                           (id2lo & 0xf000000000) >> 36,
+                           (id2lo & 0x0f00000000) >> 32,
+                           (id2lo & 0x00f0000000) >> 28,
+                           (id2lo & 0x000f000000) >> 24,
+                           (id2lo & 0x0000f00000) >> 20,
+                           (id2lo & 0x00000f0000) >> 16,
+                           (id2lo & 0x000000f000) >> 12,
+                           (id2lo & 0x0000000f00) >> 8,
+                           (id2lo & 0x00000000f0) >> 4,
+                           (id2lo & 0x000000000f)
+                       );
+                       uint64_t paxton = (((id>>32) << 24) | (id & 0xffffff))  + 0x143e00;
+                       PrintAndLog("}\nOther          : %05" PRIu64 "_%03" PRIu64 "_%08" PRIu64 "",(id&0xFFFF),((id>>16LL) & 0xFF),(id & 0xFFFFFF));  
+                       PrintAndLog("Pattern Paxton : %" PRIu64 " [0x%" PRIX64 "]", paxton, paxton);
+
+                       uint32_t p1id = (id & 0xFFFFFF);
+                       uint8_t arr[32] = {0x00};
+                       int i =0; 
+                       int j = 23;
+                       for (; i < 24; ++i, --j ){
+                               arr[i] = (p1id >> i) & 1;
+                       }
+
+                       uint32_t p1  = 0;
+
+                       p1 |= arr[23] << 21;
+                       p1 |= arr[22] << 23;
+                       p1 |= arr[21] << 20;
+                       p1 |= arr[20] << 22;
+                               
+                       p1 |= arr[19] << 18;
+                       p1 |= arr[18] << 16;
+                       p1 |= arr[17] << 19;
+                       p1 |= arr[16] << 17;
+                               
+                       p1 |= arr[15] << 13;
+                       p1 |= arr[14] << 15;
+                       p1 |= arr[13] << 12;
+                       p1 |= arr[12] << 14;
+
+                       p1 |= arr[11] << 6;
+                       p1 |= arr[10] << 2;
+                       p1 |= arr[9]  << 7;
+                       p1 |= arr[8]  << 1;
+
+                       p1 |= arr[7]  << 0;
+                       p1 |= arr[6]  << 8;
+                       p1 |= arr[5]  << 11;
+                       p1 |= arr[4]  << 3;
+
+                       p1 |= arr[3]  << 10;
+                       p1 |= arr[2]  << 4;
+                       p1 |= arr[1]  << 5;
+                       p1 |= arr[0]  << 9;
+                       PrintAndLog("Pattern 1      : %d [0x%X]", p1, p1);
+
+                       uint16_t sebury1 = id & 0xFFFF;
+                       uint8_t  sebury2 = (id >> 16) & 0x7F;
+                       uint32_t sebury3 = id & 0x7FFFFF;
+                       PrintAndLog("Pattern Sebury : %d %d %d  [0x%X 0x%X 0x%X]", sebury1, sebury2, sebury3, sebury1, sebury2, sebury3);
+               }
+       }
+       return;
+}
+
 /* Read the ID of an EM410x tag.
  * Format:
  *   1111 1111 1           <-- standard non-repeatable header
@@ -44,23 +141,74 @@ int CmdEMdemodASK(const char *Cmd)
  *   CCCC                  <-- each bit here is parity for the 10 bits above in corresponding column
  *   0                     <-- stop bit, end of tag
  */
-int CmdEM410xRead(const char *Cmd)
+int AskEm410xDecode(bool verbose, uint32_t *hi, uint64_t *lo )
+{
+       size_t idx = 0;
+       size_t BitLen = DemodBufferLen;
+       uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
+       memcpy(BitStream, DemodBuffer, BitLen); 
+       if (Em410xDecode(BitStream, &BitLen, &idx, hi, lo)){
+               //set GraphBuffer for clone or sim command
+               setDemodBuf(BitStream, BitLen, idx);
+               if (g_debugMode){
+                       PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, BitLen);
+                       printDemodBuff();
+               }
+               if (verbose){
+                       PrintAndLog("EM410x pattern found: ");
+                       printEM410x(*hi, *lo);
+                       g_em410xId = *lo;
+               }
+               return 1;
+       }
+       return 0;
+}
+
+//askdemod then call Em410xdecode
+int AskEm410xDemod(const char *Cmd, uint32_t *hi, uint64_t *lo, bool verbose)
 {
-       uint32_t hi=0;
-       uint64_t lo=0;
-
-       if(!AskEm410xDemod("", &hi, &lo, false)) return 0;
-       PrintAndLog("EM410x pattern found: ");
-       printEM410x(hi, lo);
-       if (hi){
-               PrintAndLog ("EM410x XL pattern found");
+       bool st = true;
+       if (!ASKDemod_ext(Cmd, false, false, 1, &st)) return 0;
+       return AskEm410xDecode(verbose, hi, lo);
+}
+
+//by marshmellow
+//takes 3 arguments - clock, invert and maxErr as integers
+//attempts to demodulate ask while decoding manchester
+//prints binary found and saves in graphbuffer for further commands
+int CmdAskEM410xDemod(const char *Cmd)
+{
+       char cmdp = param_getchar(Cmd, 0);
+       if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') {
+               PrintAndLog("Usage:  lf em 410xdemod [clock] <0|1> [maxError]");
+               PrintAndLog("     [set clock as integer] optional, if not set, autodetect.");
+               PrintAndLog("     <invert>, 1 for invert output");
+               PrintAndLog("     [set maximum allowed errors], default = 100.");
+               PrintAndLog("");
+               PrintAndLog("    sample: lf em 410xdemod        = demod an EM410x Tag ID from GraphBuffer");
+               PrintAndLog("          : lf em 410xdemod 32     = demod an EM410x Tag ID from GraphBuffer using a clock of RF/32");
+               PrintAndLog("          : lf em 410xdemod 32 1   = demod an EM410x Tag ID from GraphBuffer using a clock of RF/32 and inverting data");
+               PrintAndLog("          : lf em 410xdemod 1      = demod an EM410x Tag ID from GraphBuffer while inverting data");
+               PrintAndLog("          : lf em 410xdemod 64 1 0 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/64 and inverting data and allowing 0 demod errors");
                return 0;
        }
-       char id[12] = {0x00};
-       sprintf(id, "%010"PRIx64,lo);
-       
-       global_em410xId = id;
-       return 1;
+       uint64_t lo = 0;
+       uint32_t hi = 0;
+       return AskEm410xDemod(Cmd, &hi, &lo, true);
+}
+
+int usage_lf_em410x_sim(void) {
+       PrintAndLog("Simulating EM410x tag");
+       PrintAndLog("");
+       PrintAndLog("Usage:  lf em 410xsim [h] <uid> <clock>");
+       PrintAndLog("Options:");
+       PrintAndLog("       h         - this help");
+       PrintAndLog("       uid       - uid (10 HEX symbols)");
+       PrintAndLog("       clock     - clock (32|64) (optional)");
+       PrintAndLog("samples:");
+       PrintAndLog("      lf em 410xsim 0F0368568B");
+       PrintAndLog("      lf em 410xsim 0F0368568B 32");
+       return 0;
 }
 
 // emulate an EM410X tag
@@ -71,12 +219,7 @@ int CmdEM410xSim(const char *Cmd)
        char cmdp = param_getchar(Cmd, 0);
        uint8_t uid[5] = {0x00};
 
-       if (cmdp == 'h' || cmdp == 'H') {
-               PrintAndLog("Usage:  lf em 410xsim <UID> <clock>");
-               PrintAndLog("");
-               PrintAndLog("     sample: lf em 410xsim 0F0368568B");
-               return 0;
-       }
+       if (cmdp == 'h' || cmdp == 'H') return usage_lf_em410x_sim();
        /* clock is 64 in EM410x tags */
        uint8_t clock = 64;
 
@@ -143,6 +286,8 @@ int CmdEM410xSim(const char *Cmd)
  *       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
+ *
+ *  EDIT -- capture enough to get 2 complete preambles at the slowest data rate known to be used (rf/64) (64*64*2+9 = 8201)    marshmellow
 */
 int CmdEM410xWatch(const char *Cmd)
 {
@@ -153,8 +298,8 @@ int CmdEM410xWatch(const char *Cmd)
                }
                
                CmdLFRead("s");
-               getSamples("8201",true); //capture enough to get 2 complete preambles (4096*2+9)        
-       } while (!CmdEM410xRead(""));
+               getSamples("8201",true); 
+       } while (!CmdAskEM410xDemod(""));
 
        return 0;
 }
@@ -163,7 +308,7 @@ int CmdEM410xWatch(const char *Cmd)
 int CmdEM410xWatchnSpoof(const char *Cmd)
 {
        CmdEM410xWatch(Cmd);
-       PrintAndLog("# Replaying captured ID: %s",global_em410xId);
+       PrintAndLog("# Replaying captured ID: %010"PRIx64, g_em410xId);
        CmdLFaskSim("");
        return 0;
 }
@@ -174,7 +319,7 @@ int CmdEM410xWrite(const char *Cmd)
        int card = 0xFF; // invalid card value
        unsigned int clock = 0; // invalid clock value
 
-       sscanf(Cmd, "%" PRIx64 " %d %d", &id, &card, &clock);
+       sscanf(Cmd, "%" SCNx64 " %d %d", &id, &card, &clock);
 
        // Check ID
        if (id == 0xFFFFFFFFFFFFFFFF) {
@@ -753,9 +898,10 @@ int CmdEM4x05dump(const char *Cmd) {
 int usage_lf_em_write(void) {
        PrintAndLog("Write EM4x05/EM4x69.  Tag must be on antenna. ");
        PrintAndLog("");
-       PrintAndLog("Usage:  lf em 4x05writeword [h] <address> <data> <pwd>");
+       PrintAndLog("Usage:  lf em 4x05writeword [h] [s] <address> <data> <pwd>");
        PrintAndLog("Options:");
        PrintAndLog("       h         - this help");
+       PrintAndLog("       s         - swap data bit order before write");
        PrintAndLog("       address   - memory address to write to. (0-15)");
        PrintAndLog("       data      - data to write (hex)");  
        PrintAndLog("       pwd       - password (hex) (optional)");
@@ -768,18 +914,23 @@ int usage_lf_em_write(void) {
 int CmdEM4x05WriteWord(const char *Cmd) {
        uint8_t ctmp = param_getchar(Cmd, 0);
        if ( strlen(Cmd) == 0 || ctmp == 'H' || ctmp == 'h' ) return usage_lf_em_write();
-       
+
        bool usePwd = false;
-               
+
        uint8_t addr = 16; // default to invalid address
        uint32_t data = 0xFFFFFFFF; // default to blank data
        uint32_t pwd = 0xFFFFFFFF; // default to blank password
-       
-       addr = param_get8ex(Cmd, 0, 16, 10);
-       data = param_get32ex(Cmd, 1, 0, 16);
-       pwd =  param_get32ex(Cmd, 2, 1, 16);
-       
-       
+       char swap = 0;
+
+       int p = 0;
+       swap = param_getchar(Cmd, 0);
+       if (swap == 's' || swap=='S') p++;
+       addr = param_get8ex(Cmd, p++, 16, 10);
+       data = param_get32ex(Cmd, p++, 0, 16);
+       pwd  = param_get32ex(Cmd, p++, 1, 16);
+
+       if (swap == 's' || swap=='S') data = SwapBits(data, 32);
+
        if ( (addr > 15) ) {
                PrintAndLog("Address must be between 0 and 15");
                return 1;
@@ -788,15 +939,15 @@ int CmdEM4x05WriteWord(const char *Cmd) {
                PrintAndLog("Writing address %d data %08X", addr, data);        
        else {
                usePwd = true;
-               PrintAndLog("Writing address %d data %08X using password %08X", addr, data, pwd);               
+               PrintAndLog("Writing address %d data %08X using password %08X", addr, data, pwd);
        }
-       
+
        uint16_t flag = (addr << 8 ) | usePwd;
-       
+
        UsbCommand c = {CMD_EM4X_WRITE_WORD, {flag, data, pwd}};
        clearCommandBuffer();
        SendCommand(&c);
-       UsbCommand resp;        
+       UsbCommand resp;
        if (!WaitForResponseTimeout(CMD_ACK, &resp, 2000)){
                PrintAndLog("Error occurred, device did not respond during write operation.");
                return -1;
@@ -804,7 +955,7 @@ int CmdEM4x05WriteWord(const char *Cmd) {
        if ( !downloadSamplesEM() ) {
                return -1;
        }
-       //check response for 00001010 for write confirmation!   
+       //check response for 00001010 for write confirmation!
        //attempt demod:
        uint32_t dummy = 0;
        int result = demodEM4x05resp(&dummy,false);
@@ -979,18 +1130,18 @@ int CmdEM4x05info(const char *Cmd) {
 
 static command_t CommandTable[] =
 {
-       {"help", CmdHelp, 1, "This help"},
-       {"410xdemod", CmdEMdemodASK, 0, "[findone] -- Extract ID from EM410x tag (option 0 for continuous loop, 1 for only 1 tag)"},  
-       {"410xread", CmdEM410xRead, 1, "[clock rate] -- Extract ID from EM410x tag in GraphBuffer"},
-       {"410xsim", CmdEM410xSim, 0, "<UID> [clock rate] -- Simulate EM410x tag"},
+       {"help",      CmdHelp, 1, "This help"},
+       {"410xread",  CmdEMdemodASK, 0, "[findone] -- Extract ID from EM410x tag (option 0 for continuous loop, 1 for only 1 tag)"},  
+       {"410xdemod", CmdAskEM410xDemod,  1, "[clock] [invert<0|1>] [maxErr] -- Demodulate an EM410x tag from GraphBuffer (args optional)"},
+       {"410xsim",   CmdEM410xSim, 0, "<UID> [clock rate] -- 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, 0, "<UID> <'0' T5555> <'1' T55x7> [clock rate] -- Write EM410x UID to T5555(Q5) or T55x7 tag, optionally setting clock rate"},
-       {"4x05dump", CmdEM4x05dump, 0, "(pwd) -- Read EM4x05/EM4x69 all word data"},
-       {"4x05info", CmdEM4x05info, 0, "(pwd) -- Get info from EM4x05/EM4x69 tag"},
-       {"4x05readword", CmdEM4x05ReadWord, 0, "<Word> (pwd) -- Read EM4x05/EM4x69 word data"},
+       {"4x05dump",  CmdEM4x05dump, 0, "(pwd) -- Read EM4x05/EM4x69 all word data"},
+       {"4x05info",  CmdEM4x05info, 0, "(pwd) -- Get info from EM4x05/EM4x69 tag"},
+       {"4x05readword",  CmdEM4x05ReadWord, 0, "<Word> (pwd) -- Read EM4x05/EM4x69 word data"},
        {"4x05writeword", CmdEM4x05WriteWord, 0, "<Word> <data> (pwd) -- Write EM4x05/EM4x69 word data"},
-       {"4x50read", CmdEM4x50Read, 1, "demod data from EM4x50 tag from the graph buffer"},
+       {"4x50read",  CmdEM4x50Read, 1, "demod data from EM4x50 tag from the graph buffer"},
        {NULL, NULL, 0, NULL}
 };
 
Impressum, Datenschutz