]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdhf14a.c
Bugfix hf 14a raw:
[proxmark3-svn] / client / cmdhf14a.c
index 2c5fd1c02a2624871944383e95b8b0345c5fff16..534444fd9551fa4ff431ec09cf16f5c9e113c213 100644 (file)
@@ -16,7 +16,6 @@
 #include "util.h"
 #include "iso14443crc.h"
 #include "data.h"
-//#include "proxusb.h"
 #include "proxmark3.h"
 #include "ui.h"
 #include "cmdparser.h"
@@ -30,129 +29,150 @@ static void waitCmd(uint8_t iLen);
 
 int CmdHF14AList(const char *Cmd)
 {
-  uint8_t got[1920];
-  GetFromBigBuf(got,sizeof(got),0);
-  WaitForResponse(CMD_ACK,NULL);
-
-  PrintAndLog("recorded activity:");
-  PrintAndLog(" ETU     :rssi: who bytes");
-  PrintAndLog("---------+----+----+-----------");
-
-  int i = 0;
-  int prev = -1;
+       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;
+       }       
 
-  for (;;) {
-    if(i >= 1900) {
-      break;
-    }
+       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;
+               }
 
-    bool isResponse;
-    int timestamp = *((uint32_t *)(got+i));
-    if (timestamp & 0x80000000) {
-      timestamp &= 0x7fffffff;
-      isResponse = 1;
-    } else {
-      isResponse = 0;
-    }
+               bool isResponse;
+               timestamp = *((uint32_t *)(got+i));
+               if (timestamp & 0x80000000) {
+                 timestamp &= 0x7fffffff;
+                 isResponse = true;
+               } else {
+                 isResponse = false;
+               }
 
-    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(i==0) {
+                       first_timestamp = timestamp;
+               }
+               
+               int parityBits = *((uint32_t *)(got+i+4));
 
+               int len = got[i+8];
 
-    int len = got[i+8];
+               if (len > 100) {
+                       break;
+               }
+               if (i + len >= 1900) {
+                       break;
+               }
 
-    if (len > 100) {
-      break;
-    }
-    if (i + len >= 1900) {
-      break;
-    }
+               uint8_t *frame = (got+i+9);
 
-    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[2] == 0x44 && frame[3] == 0x44) break; 
 
-    // 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;
+               if (len) {
+                       for (j = 0; j < len; j++) {
+                               int oddparity = 0x01;
+                               int k;
 
-    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 = "";
+                       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
                }
-    }
-    } 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;
 }
 
@@ -163,27 +183,29 @@ void iso14a_set_timeout(uint32_t timeout) {
 
 int CmdHF14AReader(const char *Cmd)
 {
-       UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
+       UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
        SendCommand(&c);
 
        UsbCommand resp;
-  WaitForResponse(CMD_ACK,&resp);
+       WaitForResponse(CMD_ACK,&resp);
        
-       iso14a_card_select_t *card = (iso14a_card_select_t *)resp.d.asBytes;
+       iso14a_card_select_t card;
+       memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
 
-       if(resp.arg[0] == 0) {
+       uint64_t select_status = resp.arg[0];
+       
+       if(select_status == 0) {
                PrintAndLog("iso14443a card select failed");
                return 0;
        }
 
-       PrintAndLog("ATQA : %02x %02x", card->atqa[0], card->atqa[1]);
-       PrintAndLog(" UID : %s", sprint_hex(card->uid, card->uidlen));
-       PrintAndLog(" SAK : %02x [%d]", card->sak, resp.arg[0]);
+       PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
+       PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
+       PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]);
 
-       switch (card->sak) {
+       switch (card.sak) {
                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;
@@ -197,67 +219,93 @@ int CmdHF14AReader(const char *Cmd)
                case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
                default: ;
        }
-       if(resp.arg[0] == 1) {
+
+       
+       // try to request ATS even if tag claims not to support it
+       if (select_status == 2) {
+               uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
+               c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
+               c.arg[1] = 2;
+               c.arg[2] = 0;
+               memcpy(c.d.asBytes, rats, 2);
+               SendCommand(&c);
+               WaitForResponse(CMD_ACK,&resp);
+               
+           memcpy(&card.ats, resp.d.asBytes, resp.arg[0]);
+               card.ats_len = resp.arg[0];
+       } 
+
+       // disconnect
+       c.arg[0] = 0;
+       c.arg[1] = 0;
+       c.arg[2] = 0;
+       SendCommand(&c);
+
+       
+       if(card.ats_len >= 3) {                 // a valid ATS consists of at least the length byte TL and 2 CRC bytes
                bool ta1 = 0, tb1 = 0, tc1 = 0;
                int pos;
 
-               PrintAndLog(" ATS : %s", sprint_hex(card->ats, card->ats_len));
-               if (card->ats_len > 0) {
-                       PrintAndLog("       -  TL : length is %d bytes", card->ats[0]);
+               if (!(card.sak & 0x02)) {
+                       PrintAndLog("SAK incorrectly claims that card doesn't support RATS");
+               }
+               PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
+               if (card.ats_len > 0) {
+                       PrintAndLog("       -  TL : length is %d bytes", card.ats[0]);
                }
-               if (card->ats_len > 1) {
-                       ta1 = (card->ats[1] & 0x10) == 0x10;
-                       tb1 = (card->ats[1] & 0x20) == 0x20;
-                       tc1 = (card->ats[1] & 0x40) == 0x40;
+               if (card.ats_len > 1) {
+                       ta1 = (card.ats[1] & 0x10) == 0x10;
+                       tb1 = (card.ats[1] & 0x20) == 0x20;
+                       tc1 = (card.ats[1] & 0x40) == 0x40;
                        PrintAndLog("       -  T0 : TA1 is%s present, TB1 is%s present, "
                                        "TC1 is%s present, FSCI is %d",
                                (ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
-                               (card->ats[1] & 0x0f));
+                               (card.ats[1] & 0x0f));
                }
                pos = 2;
-               if (ta1 && card->ats_len > pos) {
+               if (ta1 && card.ats_len > pos) {
                        char dr[16], ds[16];
                        dr[0] = ds[0] = '\0';
-                       if (card->ats[pos] & 0x10) strcat(ds, "2, ");
-                       if (card->ats[pos] & 0x20) strcat(ds, "4, ");
-                       if (card->ats[pos] & 0x40) strcat(ds, "8, ");
-                       if (card->ats[pos] & 0x01) strcat(dr, "2, ");
-                       if (card->ats[pos] & 0x02) strcat(dr, "4, ");
-                       if (card->ats[pos] & 0x04) strcat(dr, "8, ");
+                       if (card.ats[pos] & 0x10) strcat(ds, "2, ");
+                       if (card.ats[pos] & 0x20) strcat(ds, "4, ");
+                       if (card.ats[pos] & 0x40) strcat(ds, "8, ");
+                       if (card.ats[pos] & 0x01) strcat(dr, "2, ");
+                       if (card.ats[pos] & 0x02) strcat(dr, "4, ");
+                       if (card.ats[pos] & 0x04) strcat(dr, "8, ");
                        if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
                        if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
                        PrintAndLog("       - TA1 : different divisors are%s supported, "
                                        "DR: [%s], DS: [%s]",
-                                       (card->ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
+                                       (card.ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
                        pos++;
                }
-               if (tb1 && card->ats_len > pos) {
+               if (tb1 && card.ats_len > pos) {
                        PrintAndLog("       - TB1 : SFGI = %d, FWI = %d",
-                                       (card->ats[pos] & 0x08),
-                                       (card->ats[pos] & 0x80) >> 4);
+                                       (card.ats[pos] & 0x08),
+                                       (card.ats[pos] & 0x80) >> 4);
                        pos++;
                }
-               if (tc1 && card->ats_len > pos) {
+               if (tc1 && card.ats_len > pos) {
                        PrintAndLog("       - TC1 : NAD is%s supported, CID is%s supported",
-                                       (card->ats[pos] & 0x01) ? "" : " NOT",
-                                       (card->ats[pos] & 0x02) ? "" : " NOT");
+                                       (card.ats[pos] & 0x01) ? "" : " NOT",
+                                       (card.ats[pos] & 0x02) ? "" : " NOT");
                        pos++;
                }
-               if (card->ats_len > pos) {
+               if (card.ats_len > pos) {
                        char *tip = "";
-                       if (card->ats_len - pos > 7) {
-                               if (memcmp(card->ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
+                       if (card.ats_len - pos > 7) {
+                               if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
                                        tip = "-> MIFARE Plus X 2K or 4K";
-                               } else if (memcmp(card->ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
+                               } else if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
                                        tip = "-> MIFARE Plus S 2K or 4K";
                                }
                        } 
-                       PrintAndLog("       -  HB : %s%s", sprint_hex(card->ats + pos, card->ats_len - pos - 2), tip);
-                       if (card->ats[pos] == 0xC1) {
+                       PrintAndLog("       -  HB : %s%s", sprint_hex(card.ats + pos, card.ats_len - pos - 2), tip);
+                       if (card.ats[pos] == 0xC1) {
                                PrintAndLog("               c1 -> Mifare or (multiple) virtual cards of various type");
                                PrintAndLog("                  %02x -> Length is %d bytes",
-                                               card->ats[pos + 1], card->ats[pos + 1]);
-                               switch (card->ats[pos + 2] & 0xf0) {
+                                               card.ats[pos + 1], card.ats[pos + 1]);
+                               switch (card.ats[pos + 2] & 0xf0) {
                                        case 0x10:
                                                PrintAndLog("                     1x -> MIFARE DESFire");
                                                break;
@@ -265,7 +313,7 @@ int CmdHF14AReader(const char *Cmd)
                                                PrintAndLog("                     2x -> MIFARE Plus");
                                                break;
                                }
-                               switch (card->ats[pos + 2] & 0x0f) {
+                               switch (card.ats[pos + 2] & 0x0f) {
                                        case 0x00:
                                                PrintAndLog("                     x0 -> <1 kByte");
                                                break;
@@ -282,7 +330,7 @@ int CmdHF14AReader(const char *Cmd)
                                                PrintAndLog("                     x0 -> 8 kByte");
                                                break;
                                }
-                               switch (card->ats[pos + 3] & 0xf0) {
+                               switch (card.ats[pos + 3] & 0xf0) {
                                        case 0x00:
                                                PrintAndLog("                        0x -> Engineering sample");
                                                break;
@@ -290,7 +338,7 @@ int CmdHF14AReader(const char *Cmd)
                                                PrintAndLog("                        2x -> Released");
                                                break;
                                }
-                               switch (card->ats[pos + 3] & 0x0f) {
+                               switch (card.ats[pos + 3] & 0x0f) {
                                        case 0x00:
                                                PrintAndLog("                        x0 -> Generation 1");
                                                break;
@@ -301,7 +349,7 @@ int CmdHF14AReader(const char *Cmd)
                                                PrintAndLog("                        x2 -> Generation 3");
                                                break;
                                }
-                               switch (card->ats[pos + 4] & 0x0f) {
+                               switch (card.ats[pos + 4] & 0x0f) {
                                        case 0x00:
                                                PrintAndLog("                           x0 -> Only VCSL supported");
                                                break;
@@ -315,10 +363,10 @@ int CmdHF14AReader(const char *Cmd)
                        }
                }
        } else {
-               PrintAndLog("proprietary non iso14443a-4 card found, RATS not supported");
-  }
+               PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
+       }
 
-       return resp.arg[0];
+       return select_status;
 }
 
 // Collect ISO14443 Type A UIDs
@@ -337,23 +385,20 @@ int CmdHF14ACUIDs(const char *Cmd)
                UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
                SendCommand(&c);
     
-    UsbCommand resp;
-    WaitForResponse(CMD_ACK,&resp);
+               UsbCommand resp;
+               WaitForResponse(CMD_ACK,&resp);
 
-               uint8_t *uid  = resp.d.asBytes;
-               iso14a_card_select_t *card = (iso14a_card_select_t *)(uid + 12);
+               iso14a_card_select_t *card = (iso14a_card_select_t *) resp.d.asBytes;
 
                // check if command failed
                if (resp.arg[0] == 0) {
                        PrintAndLog("Card select failed.");
                } else {
-                       // check if UID is 4 bytes
-                       if ((card->atqa[1] & 0xC0) == 0) {
-                               PrintAndLog("%02X%02X%02X%02X",
-                                           *uid, *(uid + 1), *(uid + 2), *(uid + 3));
-                       } else {
-                               PrintAndLog("UID longer than 4 bytes");
+                       char uid_string[20];
+                       for (uint16_t i = 0; i < card->uidlen; i++) {
+                               sprintf(&uid_string[2*i], "%02X", card->uid[i]);
                        }
+                       PrintAndLog("%s", uid_string);
                }
        }
        PrintAndLog("End: %u", time(NULL));
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