]> cvs.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdhf14a.c
New LF edge detection algorithm + lowpass filter
[proxmark3-svn] / client / cmdhf14a.c
index 4b405d2b1b0d7db24e051bc0291cec26a88ca98a..d16d71ff09ae34a09a35511b9a0a6b22f639d7e7 100644 (file)
 #include "util.h"
 #include "iso14443crc.h"
 #include "data.h"
-#include "proxusb.h"
+#include "proxmark3.h"
 #include "ui.h"
 #include "cmdparser.h"
 #include "cmdhf14a.h"
 #include "common.h"
 #include "cmdmain.h"
+#include "mifare.h"
 
 static int CmdHelp(const char *Cmd);
+static void waitCmd(uint8_t iLen);
 
 int CmdHF14AList(const char *Cmd)
 {
-  uint8_t got[1920];
-  GetFromBigBuf(got, sizeof(got));
+       bool ShowWaitCycles = false;
+       char param = param_getchar(Cmd, 0);
+       
+       if (param == 'h' || (param != 0 && param != 'f')) {
+               PrintAndLog("List data in trace buffer.");
+               PrintAndLog("Usage:  hf 14a list [f]");
+               PrintAndLog("f - show frame delay times as well");
+               PrintAndLog("sample: hf 14a list f");
+               return 0;
+       }       
 
-  PrintAndLog("recorded activity:");
-  PrintAndLog(" ETU     :rssi: who bytes");
-  PrintAndLog("---------+----+----+-----------");
+       if (param == 'f') {
+               ShowWaitCycles = true;
+       }
+               
+       uint8_t got[1920];
+       GetFromBigBuf(got,sizeof(got),0);
+       WaitForResponse(CMD_ACK,NULL);
+
+       PrintAndLog("Recorded Activity");
+       PrintAndLog("");
+       PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
+       PrintAndLog("All times are in carrier periods (1/13.56Mhz)");
+       PrintAndLog("");
+       PrintAndLog("     Start |       End | Src | Data");
+       PrintAndLog("-----------|-----------|-----|--------");
+
+       int i = 0;
+       uint32_t first_timestamp = 0;
+       uint32_t timestamp;
+       uint32_t EndOfTransmissionTimestamp = 0;
+       
+       for (;;) {
+               if(i >= 1900) {
+                       break;
+               }
 
-  int i = 0;
-  int prev = -1;
+               bool isResponse;
+               timestamp = *((uint32_t *)(got+i));
+               if (timestamp & 0x80000000) {
+                 timestamp &= 0x7fffffff;
+                 isResponse = true;
+               } else {
+                 isResponse = false;
+               }
 
-  for (;;) {
-    if(i >= 1900) {
-      break;
-    }
+               if(i==0) {
+                       first_timestamp = timestamp;
+               }
+               
+               int parityBits = *((uint32_t *)(got+i+4));
 
-    bool isResponse;
-    int timestamp = *((uint32_t *)(got+i));
-    if (timestamp & 0x80000000) {
-      timestamp &= 0x7fffffff;
-      isResponse = 1;
-    } else {
-      isResponse = 0;
-    }
+               int len = got[i+8];
 
-    int metric = 0;
-    int parityBits = *((uint32_t *)(got+i+4));
-    // 4 bytes of additional information...
-    // maximum of 32 additional parity bit information
-    //
-    // TODO:
-    // at each quarter bit period we can send power level (16 levels)
-    // or each half bit period in 256 levels.
+               if (len > 100) {
+                       break;
+               }
+               if (i + len >= 1900) {
+                       break;
+               }
 
+               uint8_t *frame = (got+i+9);
 
-    int len = got[i+8];
+               // Break and stick with current result if buffer was not completely full
+               if (frame[0] == 0x44 && frame[1] == 0x44 && frame[2] == 0x44 && frame[3] == 0x44) break; 
 
-    if (len > 100) {
-      break;
-    }
-    if (i + len >= 1900) {
-      break;
-    }
+               char line[1000] = "";
+               int j;
+               if (len) {
+                       for (j = 0; j < len; j++) {
+                               int oddparity = 0x01;
+                               int k;
 
-    uint8_t *frame = (got+i+9);
-
-    // Break and stick with current result if buffer was not completely full
-    if (frame[0] == 0x44 && frame[1] == 0x44 && frame[3] == 0x44) { break; }
-
-    char line[1000] = "";
-    int j;
-    for (j = 0; j < len; j++) {
-      int oddparity = 0x01;
-      int k;
+                               for (k=0;k<8;k++) {
+                                       oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
+                               }
 
-      for (k=0;k<8;k++) {
-        oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
-      }
+                               //if((parityBits >> (len - j - 1)) & 0x01) {
+                               if (isResponse && (oddparity != ((parityBits >> (len - j - 1)) & 0x01))) {
+                                       sprintf(line+(j*4), "%02x!  ", frame[j]);
+                               } else {
+                                       sprintf(line+(j*4), "%02x   ", frame[j]);
+                               }
+                       }
+               } else {
+                       if (ShowWaitCycles) {
+                               uint32_t next_timestamp = (*((uint32_t *)(got+i+9))) & 0x7fffffff;
+                               sprintf(line, "fdt (Frame Delay Time): %d", (next_timestamp - timestamp));
+                       }
+               }
 
-      //if((parityBits >> (len - j - 1)) & 0x01) {
-      if (isResponse && (oddparity != ((parityBits >> (len - j - 1)) & 0x01))) {
-        sprintf(line+(j*4), "%02x!  ", frame[j]);
-      }
-      else {
-        sprintf(line+(j*4), "%02x   ", frame[j]);
-      }
-    }
+               char *crc;
+               crc = "";
+               if (len > 2) {
+                       uint8_t b1, b2;
+                       for (j = 0; j < (len - 1); j++) {
+                               // gives problems... search for the reason..
+                               /*if(frame[j] == 0xAA) {
+                                       switch(frame[j+1]) {
+                                               case 0x01:
+                                                       crc = "[1] Two drops close after each other";
+                                                       break;
+                                               case 0x02:
+                                                       crc = "[2] Potential SOC with a drop in second half of bitperiod";
+                                                       break;
+                                               case 0x03:
+                                                       crc = "[3] Segment Z after segment X is not possible";
+                                                       break;
+                                               case 0x04:
+                                                       crc = "[4] Parity bit of a fully received byte was wrong";
+                                                       break;
+                                               default:
+                                                       crc = "[?] Unknown error";
+                                                       break;
+                                       }
+                                       break;
+                               }*/
+                       }
 
-    char *crc;
-    crc = "";
-    if (len > 2) {
-      uint8_t b1, b2;
-      for (j = 0; j < (len - 1); j++) {
-        // gives problems... search for the reason..
-        /*if(frame[j] == 0xAA) {
-          switch(frame[j+1]) {
-            case 0x01:
-              crc = "[1] Two drops close after each other";
-            break;
-            case 0x02:
-              crc = "[2] Potential SOC with a drop in second half of bitperiod";
-              break;
-            case 0x03:
-              crc = "[3] Segment Z after segment X is not possible";
-              break;
-            case 0x04:
-              crc = "[4] Parity bit of a fully received byte was wrong";
-              break;
-            default:
-              crc = "[?] Unknown error";
-              break;
-          }
-          break;
-        }*/
-      }
-
-      if (strlen(crc)==0) {
-        ComputeCrc14443(CRC_14443_A, frame, len-2, &b1, &b2);
-        if (b1 != frame[len-2] || b2 != frame[len-1]) {
-          crc = (isResponse & (len < 6)) ? "" : " !crc";
-        } else {
-          crc = "";
-        }
-      }
-    } else {
-      crc = ""; // SHORT
-    }
+                       if (strlen(crc)==0) {
+                               ComputeCrc14443(CRC_14443_A, frame, len-2, &b1, &b2);
+                               if (b1 != frame[len-2] || b2 != frame[len-1]) {
+                                       crc = (isResponse & (len < 6)) ? "" : " !crc";
+                               } else {
+                                       crc = "";
+                               }
+                       }
+               } else {
+                       crc = ""; // SHORT
+               }
 
-    char metricString[100];
-    if (isResponse) {
-      sprintf(metricString, "%3d", metric);
-    } else {
-      strcpy(metricString, "   ");
-    }
+               i += (len + 9);
 
-    PrintAndLog(" +%7d: %s: %s %s %s",
-      (prev < 0 ? 0 : (timestamp - prev)),
-      metricString,
-      (isResponse ? "TAG" : "   "), line, crc);
+               EndOfTransmissionTimestamp = (*((uint32_t *)(got+i))) & 0x7fffffff;
+               
+               if (!ShowWaitCycles) i += 9;
+               
+               PrintAndLog(" %9d | %9d | %s | %s %s",
+                       (timestamp - first_timestamp),
+                       (EndOfTransmissionTimestamp - first_timestamp),
+                       (len?(isResponse ? "Tag" : "Rdr"):"   "),
+                       line, crc);
 
-    prev = timestamp;
-    i += (len + 9);
-  }
+       }
        return 0;
 }
 
@@ -161,37 +185,39 @@ int CmdHF14AReader(const char *Cmd)
 {
        UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
        SendCommand(&c);
-       UsbCommand * resp = WaitForResponse(CMD_ACK);
-       uint8_t              * uid  = resp->d.asBytes;
-       iso14a_card_select_t * card = (iso14a_card_select_t *)(uid + 12);
 
-       if(resp->arg[0] == 0) {
+       UsbCommand resp;
+       WaitForResponse(CMD_ACK,&resp);
+       
+       iso14a_card_select_t *card = (iso14a_card_select_t *)resp.d.asBytes;
+
+       if(resp.arg[0] == 0) {
                PrintAndLog("iso14443a card select failed");
                return 0;
        }
 
        PrintAndLog("ATQA : %02x %02x", card->atqa[0], card->atqa[1]);
-       PrintAndLog(" UID : %s", sprint_hex(uid, 12));
-       PrintAndLog(" SAK : %02x [%d]", card->sak, resp->arg[0]);
+       PrintAndLog(" UID : %s", sprint_hex(card->uid, card->uidlen));
+       PrintAndLog(" SAK : %02x [%d]", card->sak, resp.arg[0]);
 
        switch (card->sak) {
-               case 0x00: PrintAndLog(" SAK : NXP MIFARE Ultralight | Ultralight C"); break;
-               case 0x04: PrintAndLog(" SAK : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
-
-               case 0x08: PrintAndLog(" SAK : NXP MIFARE CLASSIC 1k | Plus 2k"); break;
-               case 0x09: PrintAndLog(" SAK : NXP MIFARE Mini 0.3k"); break;
-               case 0x10: PrintAndLog(" SAK : NXP MIFARE Plus 2k"); break;
-               case 0x11: PrintAndLog(" SAK : NXP MIFARE Plus 4k"); break;
-               case 0x18: PrintAndLog(" SAK : NXP MIFARE Classic 4k | Plus 4k"); break;
-               case 0x20: PrintAndLog(" SAK : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k | JCOP 31/41"); break;
-               case 0x24: PrintAndLog(" SAK : NXP MIFARE DESFire | DESFire EV1"); break;
-               case 0x28: PrintAndLog(" SAK : JCOP31 or JCOP41 v2.3.1"); break;
-               case 0x38: PrintAndLog(" SAK : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
-               case 0x88: PrintAndLog(" SAK : Infineon MIFARE CLASSIC 1K"); break;
-               case 0x98: PrintAndLog(" SAK : Gemplus MPCOS"); break;
+               case 0x00: PrintAndLog("TYPE : NXP MIFARE Ultralight | Ultralight C"); break;
+               case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
+
+               case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break;
+               case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break;
+               case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k SL2"); break;
+               case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break;
+               case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k | Plus 4k SL1"); break;
+               case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41"); break;
+               case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire | DESFire EV1"); break;
+               case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break;
+               case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
+               case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break;
+               case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
                default: ;
        }
-       if(resp->arg[0] == 1) {
+       if(resp.arg[0] == 1) {
                bool ta1 = 0, tb1 = 0, tc1 = 0;
                int pos;
 
@@ -308,11 +334,11 @@ int CmdHF14AReader(const char *Cmd)
                                }
                        }
                }
-       }
-       else
-               PrintAndLog("proprietary non-iso14443a card found, RATS not supported");
+       } else {
+               PrintAndLog("proprietary non iso14443a-4 card found, RATS not supported");
+  }
 
-       return resp->arg[0];
+       return resp.arg[0];
 }
 
 // Collect ISO14443 Type A UIDs
@@ -330,12 +356,15 @@ int CmdHF14ACUIDs(const char *Cmd)
                // execute anticollision procedure
                UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
                SendCommand(&c);
-               UsbCommand *resp = WaitForResponse(CMD_ACK);
-               uint8_t *uid  = resp->d.asBytes;
+    
+    UsbCommand resp;
+    WaitForResponse(CMD_ACK,&resp);
+
+               uint8_t *uid  = resp.d.asBytes;
                iso14a_card_select_t *card = (iso14a_card_select_t *)(uid + 12);
 
                // check if command failed
-               if (resp->arg[0] == 0) {
+               if (resp.arg[0] == 0) {
                        PrintAndLog("Card select failed.");
                } else {
                        // check if UID is 4 bytes
@@ -383,7 +412,7 @@ int CmdHF14ASim(const char *Cmd)
 
        // Are we handling the (optional) second part uid?
        if (long_uid > 0xffffffff) {
-               PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014llx)",long_uid);
+               PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014"llx")",long_uid);
                // Store the second part
                c.arg[2] = (long_uid & 0xffffffff);
                long_uid >>= 32;
@@ -461,6 +490,145 @@ int CmdHF14ASnoop(const char *Cmd) {
   return 0;
 }
 
+int CmdHF14ACmdRaw(const char *cmd) {
+    UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
+    uint8_t reply=1;
+    uint8_t crc=0;
+    uint8_t power=0;
+    uint8_t active=0;
+    uint8_t active_select=0;
+    uint16_t numbits=0;
+    char buf[5]="";
+    int i=0;
+    uint8_t data[100];
+    unsigned int datalen=0, temp;
+
+    if (strlen(cmd)<2) {
+        PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] <number of bits> <0A 0B 0C ... hex>");
+        PrintAndLog("       -r    do not read response");
+        PrintAndLog("       -c    calculate and append CRC");
+        PrintAndLog("       -p    leave the signal field ON after receive");
+        PrintAndLog("       -a    active signal field ON without select");
+        PrintAndLog("       -s    active signal field ON with select");
+        PrintAndLog("       -b    number of bits to send. Useful for send partial byte");
+        return 0;
+    }
+
+    // strip
+    while (*cmd==' ' || *cmd=='\t') cmd++;
+
+    while (cmd[i]!='\0') {
+        if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
+        if (cmd[i]=='-') {
+            switch (cmd[i+1]) {
+                case 'r': 
+                    reply=0;
+                    break;
+                case 'c':
+                    crc=1;
+                    break;
+                case 'p':
+                    power=1;
+                    break;
+                case 'a':
+                    active=1;
+                    break;
+                case 's':
+                    active_select=1;
+                    break;
+                case 'b': 
+                    sscanf(cmd+i+2,"%d",&temp);
+                    numbits = temp & 0xFFFF;
+                    i+=3;
+                    while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
+                    i-=2;
+                    break;
+                default:
+                    PrintAndLog("Invalid option");
+                    return 0;
+            }
+            i+=2;
+            continue;
+        }
+        if ((cmd[i]>='0' && cmd[i]<='9') ||
+            (cmd[i]>='a' && cmd[i]<='f') ||
+            (cmd[i]>='A' && cmd[i]<='F') ) {
+            buf[strlen(buf)+1]=0;
+            buf[strlen(buf)]=cmd[i];
+            i++;
+
+            if (strlen(buf)>=2) {
+                sscanf(buf,"%x",&temp);
+                data[datalen]=(uint8_t)(temp & 0xff);
+                datalen++;
+                *buf=0;
+            }
+            continue;
+        }
+        PrintAndLog("Invalid char on input");
+        return 0;
+    }
+    if(crc && datalen>0)
+    {
+        uint8_t first, second;
+        ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
+        data[datalen++] = first;
+        data[datalen++] = second;
+    }
+
+    if(active || active_select)
+    {
+        c.arg[0] |= ISO14A_CONNECT;
+        if(active)
+            c.arg[0] |= ISO14A_NO_SELECT;
+    }
+    if(power)
+        c.arg[0] |= ISO14A_NO_DISCONNECT;
+    if(datalen>0)
+        c.arg[0] |= ISO14A_RAW;
+
+    c.arg[1] = datalen;
+    c.arg[2] = numbits;
+    memcpy(c.d.asBytes,data,datalen);
+
+    SendCommand(&c);
+
+    if (reply) {
+        if(active_select)
+            waitCmd(1);
+        if(datalen>0)
+            waitCmd(0);
+    } // if reply
+    return 0;
+}
+
+static void waitCmd(uint8_t iSelect)
+{
+    uint8_t *recv;
+    UsbCommand resp;
+    char *hexout;
+
+    if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
+        recv = resp.d.asBytes;
+        uint8_t iLen = iSelect ? resp.arg[1] : resp.arg[0];
+        PrintAndLog("received %i octets",iLen);
+        if(!iLen)
+            return;
+        hexout = (char *)malloc(iLen * 3 + 1);
+        if (hexout != NULL) {
+            for (int i = 0; i < iLen; i++) { // data in hex
+                sprintf(&hexout[i * 3], "%02X ", recv[i]);
+            }
+            PrintAndLog("%s", hexout);
+            free(hexout);
+        } else {
+            PrintAndLog("malloc failed your client has low memory?");
+        }
+    } else {
+        PrintAndLog("timeout while waiting for reply.");
+    }
+}
+
 static command_t CommandTable[] = 
 {
   {"help",   CmdHelp,              1, "This help"},
@@ -469,13 +637,13 @@ static command_t CommandTable[] =
   {"cuids",  CmdHF14ACUIDs,        0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
   {"sim",    CmdHF14ASim,          0, "<UID> -- Fake ISO 14443a tag"},
   {"snoop",  CmdHF14ASnoop,        0, "Eavesdrop ISO 14443 Type A"},
+  {"raw",    CmdHF14ACmdRaw,       0, "Send raw hex data to tag"},
   {NULL, NULL, 0, NULL}
 };
 
-int CmdHF14A(const char *Cmd)
-{
+int CmdHF14A(const char *Cmd) {
        // flush
-       while (WaitForResponseTimeout(CMD_ACK, 500) != NULL) ;
+       WaitForResponseTimeout(CMD_ACK,NULL,100);
 
        // parse
   CmdsParse(CommandTable, Cmd);
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