]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdhf14a.c
Update README.md
[proxmark3-svn] / client / cmdhf14a.c
index b75215a0d41ef1b4f00a30e12a4ddf098dbbfc5e..480923d663a91f3de77531b67f2b5ddac4fcb2b9 100644 (file)
@@ -1,5 +1,5 @@
 //-----------------------------------------------------------------------------
-// 2011, Merlok
+// 2011, 2017 Merlok
 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>, Hagen Fritsch
 //
 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
@@ -9,11 +9,14 @@
 // High frequency ISO14443A commands
 //-----------------------------------------------------------------------------
 
+#include "cmdhf14a.h"
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <inttypes.h>
 #include <string.h>
 #include <unistd.h>
+#include <ctype.h>
 #include "util.h"
 #include "util_posix.h"
 #include "iso14443crc.h"
 #include "proxmark3.h"
 #include "ui.h"
 #include "cmdparser.h"
-#include "cmdhf14a.h"
 #include "common.h"
 #include "cmdmain.h"
 #include "mifare.h"
 #include "cmdhfmfu.h"
 #include "mifarehost.h"
+#include "emv/apduinfo.h"
+#include "emv/emvcore.h"
 
 static int CmdHelp(const char *Cmd);
-static void waitCmd(uint8_t iLen);
+static int waitCmd(uint8_t iLen);
 
 // structure and database for uid -> tagtype lookups 
 typedef struct { 
@@ -37,7 +41,7 @@ typedef struct {
        char* desc;
 } manufactureName; 
 
-const manufactureName manufactureMapping[] = {
+static const manufactureName manufactureMapping[] = {
        // ID,  "Vendor Country"
        { 0x01, "Motorola UK" },
        { 0x02, "ST Microelectronics SA France" },
@@ -110,7 +114,6 @@ const manufactureName manufactureMapping[] = {
        { 0x00, "no tag-info available" } // must be the last entry
 };
 
-
 // get a product description based on the UID
 //             uid[8]  tag uid
 // returns description of the best match       
@@ -133,7 +136,84 @@ int CmdHF14AList(const char *Cmd)
        return 0;
 }
 
-int CmdHF14AReader(const char *Cmd)
+int CmdHF14AReader(const char *Cmd) {
+       uint32_t cm = ISO14A_CONNECT;
+       bool disconnectAfter = true;
+       
+       int cmdp = 0;
+       while(param_getchar(Cmd, cmdp) != 0x00) {
+               switch(param_getchar(Cmd, cmdp)) {
+               case 'h':
+               case 'H':
+                       PrintAndLog("Usage: hf 14a reader [k|x] [3]");
+                       PrintAndLog("       k    keep the field active after command executed");
+                       PrintAndLog("       x    just drop the signal field");
+                       PrintAndLog("       3    ISO14443-3 select only (skip RATS)");
+                       return 0;
+               case '3':
+                       cm |= ISO14A_NO_RATS; 
+                       break;
+               case 'k':
+               case 'K':
+                       disconnectAfter = false;
+                       break;
+               case 'x':
+               case 'X':
+                       cm &= ~ISO14A_CONNECT;
+                       break;
+               default:
+                       PrintAndLog("Unknown command.");
+                       return 1;
+               }       
+               
+               cmdp++;
+       }
+
+       if (!disconnectAfter)
+               cm |= ISO14A_NO_DISCONNECT; 
+       
+       UsbCommand c = {CMD_READER_ISO_14443a, {cm, 0, 0}};
+       SendCommand(&c);
+
+       if (ISO14A_CONNECT & cm) {
+               UsbCommand resp;
+               WaitForResponse(CMD_ACK,&resp);
+               
+               iso14a_card_select_t card;
+               memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
+
+               uint64_t select_status = resp.arg[0];           // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
+               
+               if(select_status == 0) {
+                       PrintAndLog("iso14443a card select failed");
+                       return 1;
+               }
+
+               if(select_status == 3) {
+                       PrintAndLog("Card doesn't support standard iso14443-3 anticollision");
+                       PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
+                       return 1;
+               }
+
+               PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
+               PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
+               PrintAndLog(" SAK : %02x [%" PRIu64 "]", card.sak, resp.arg[0]);
+               if(card.ats_len >= 3) {                 // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
+                       PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
+               }
+               if (!disconnectAfter) {
+                       PrintAndLog("Card is selected. You can now start sending commands");
+               }
+       }
+
+       if (disconnectAfter) {
+               PrintAndLog("Field dropped.");
+       }
+       
+       return 0;
+}
+
+int CmdHF14AInfo(const char *Cmd)
 {
        UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
        SendCommand(&c);
@@ -169,10 +249,12 @@ int CmdHF14AReader(const char *Cmd)
 
        PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
        PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
-       PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]);
+       PrintAndLog(" SAK : %02x [%" PRIu64 "]", card.sak, resp.arg[0]);
 
+       bool isMifareClassic = true;
        switch (card.sak) {
                case 0x00: 
+                       isMifareClassic = false;
 
                        //***************************************test****************
                        // disconnect
@@ -405,27 +487,21 @@ int CmdHF14AReader(const char *Cmd)
 
        
        // try to see if card responses to "chinese magic backdoor" commands.
-       c.cmd = CMD_MIFARE_CIDENT;
-       c.arg[0] = 0;
-       c.arg[1] = 0;
-       c.arg[2] = 0;   
-       SendCommand(&c);
-       WaitForResponse(CMD_ACK,&resp);
+       mfCIdentify();
        
-       uint8_t isGeneration = resp.arg[0] & 0xff;
-       switch( isGeneration ){
-               case 1: PrintAndLog("Answers to chinese magic backdoor commands (GEN 1a): YES"); break;
-               case 2: PrintAndLog("Answers to chinese magic backdoor commands (GEN 1b): YES"); break;
-               default: PrintAndLog("Answers to chinese magic backdoor commands: NO"); break;
+       if (isMifareClassic) {          
+               switch(DetectClassicPrng()) {
+               case 0:
+                       PrintAndLog("Prng detection: HARDEND (hardnested)");            
+                       break;
+               case 1:
+                       PrintAndLog("Prng detection: WEAK");
+                       break;
+               default:
+                       PrintAndLog("Prng detection error.");           
+               }
        }
        
-       // disconnect
-       c.cmd = CMD_READER_ISO_14443a;
-       c.arg[0] = 0;
-       c.arg[1] = 0;
-       c.arg[2] = 0;
-       SendCommand(&c);
-
        return select_status;
 }
 
@@ -442,7 +518,7 @@ int CmdHF14ACUIDs(const char *Cmd)
        // repeat n times
        for (int i = 0; i < n; i++) {
                // execute anticollision procedure
-               UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
+               UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_RATS, 0, 0}};
                SendCommand(&c);
     
                UsbCommand resp;
@@ -573,6 +649,166 @@ int CmdHF14ASnoop(const char *Cmd) {
        return 0;
 }
 
+void DropField() {
+       UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}}; 
+       SendCommand(&c);
+}
+
+int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) {
+       uint16_t cmdc = 0;
+       
+       if (activateField) {
+               cmdc |= ISO14A_CONNECT | ISO14A_CLEAR_TRACE;
+       }
+       if (leaveSignalON)
+               cmdc |= ISO14A_NO_DISCONNECT;
+
+       // "Command APDU" length should be 5+255+1, but javacard's APDU buffer might be smaller - 133 bytes
+       // https://stackoverflow.com/questions/32994936/safe-max-java-card-apdu-data-command-and-respond-size
+       // here length USB_CMD_DATA_SIZE=512
+       // timeout must be authomatically set by "get ATS"
+       UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_APDU | cmdc, (datainlen & 0xFFFF), 0}}; 
+       memcpy(c.d.asBytes, datain, datainlen);
+       SendCommand(&c);
+       
+    uint8_t *recv;
+    UsbCommand resp;
+
+       if (activateField) {
+               if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
+                       PrintAndLog("APDU ERROR: Proxmark connection timeout.");
+                       return 1;
+               }
+               if (resp.arg[0] != 1) {
+                       PrintAndLog("APDU ERROR: Proxmark error %d.", resp.arg[0]);
+                       return 1;
+               }
+       }
+
+    if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
+        recv = resp.d.asBytes;
+        int iLen = resp.arg[0];
+               
+               *dataoutlen = iLen - 2;
+               if (*dataoutlen < 0)
+                       *dataoutlen = 0;
+               
+               if (maxdataoutlen && *dataoutlen > maxdataoutlen) {
+                       PrintAndLog("APDU ERROR: Buffer too small(%d). Needs %d bytes", *dataoutlen, maxdataoutlen);
+                       return 2;
+               }
+               
+               memcpy(dataout, recv, *dataoutlen);
+               
+        if(!iLen) {
+                       PrintAndLog("APDU ERROR: No APDU response.");
+            return 1;
+               }
+
+               // check block TODO
+               if (iLen == -2) {
+                       PrintAndLog("APDU ERROR: Block type mismatch.");
+                       return 2;
+               }
+               
+               // CRC Check
+               if (iLen == -1) {
+                       PrintAndLog("APDU ERROR: ISO 14443A CRC error.");
+                       return 3;
+               }
+
+               // check apdu length
+               if (iLen < 4) {
+                       PrintAndLog("APDU ERROR: Small APDU response. Len=%d", iLen);
+                       return 2;
+               }
+               
+    } else {
+        PrintAndLog("APDU ERROR: Reply timeout.");
+               return 4;
+    }
+       
+       return 0;
+}
+
+// ISO14443-4. 7. Half-duplex block transmission protocol
+int CmdHF14AAPDU(const char *cmd) {
+       uint8_t data[USB_CMD_DATA_SIZE];
+       int datalen = 0;
+       bool activateField = false;
+       bool leaveSignalON = false;
+       bool decodeTLV = false;
+       
+       if (strlen(cmd) < 2) {
+               PrintAndLog("Usage: hf 14a apdu [-s] [-k] [-t] <APDU (hex)>");
+               PrintAndLog("Command sends an ISO 7816-4 APDU via ISO 14443-4 block transmission protocol (T=CL)");
+               PrintAndLog("       -s    activate field and select card");
+               PrintAndLog("       -k    leave the signal field ON after receive response");
+               PrintAndLog("       -t    executes TLV decoder if it possible. TODO!!!!");
+               return 0;
+       }
+
+       int cmdp = 0;
+       while(param_getchar(cmd, cmdp) != 0x00) {
+               char c = param_getchar(cmd, cmdp);
+               if ((c == '-') && (param_getlength(cmd, cmdp) == 2))
+                       switch (param_getchar_indx(cmd, 1, cmdp)) {
+                               case 's':
+                               case 'S':
+                                       activateField = true;
+                                       break;
+                               case 'k':
+                               case 'K':
+                                       leaveSignalON = true;
+                                       break;
+                               case 't':
+                               case 'T':
+                                       decodeTLV = true;
+                                       break;
+                               default:
+                                       PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp));
+                                       return 1;
+                       }
+                       
+               if (isxdigit((unsigned char)c)) {
+                       // len = data + PCB(1b) + CRC(2b)
+                       switch(param_gethex_to_eol(cmd, cmdp, data, sizeof(data) - 1 - 2, &datalen)) {
+                       case 1:
+                               PrintAndLog("Invalid HEX value.");
+                               return 1;
+                       case 2:
+                               PrintAndLog("APDU too large.");
+                               return 1;
+                       case 3:
+                               PrintAndLog("Hex must have even number of digits.");
+                               return 1;
+                       }
+                       
+                       // we get all the hex to end of line with spaces
+                       break;
+               }
+               
+               cmdp++;
+       }
+
+       PrintAndLog(">>>>[%s%s%s] %s", activateField ? "sel ": "", leaveSignalON ? "keep ": "", decodeTLV ? "TLV": "", sprint_hex(data, datalen));
+       
+       int res = ExchangeAPDU14a(data, datalen, activateField, leaveSignalON, data, USB_CMD_DATA_SIZE, &datalen);
+
+       if (res)
+               return res;
+
+       PrintAndLog("<<<< %s", sprint_hex(data, datalen));
+       
+       PrintAndLog("APDU response: %02x %02x - %s", data[datalen - 2], data[datalen - 1], GetAPDUCodeDescription(data[datalen - 2], data[datalen - 1])); 
+
+       // TLV decoder
+       if (decodeTLV && datalen > 4) {
+               TLVPrintFromBuffer(data, datalen - 2);
+       }
+       
+       return 0;
+}
 
 int CmdHF14ACmdRaw(const char *cmd) {
        UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
@@ -581,6 +817,7 @@ int CmdHF14ACmdRaw(const char *cmd) {
        bool power = false;
        bool active = false;
        bool active_select = false;
+       bool no_rats = false;
        uint16_t numbits = 0;
        bool bTimeout = false;
        uint32_t timeout = 0;
@@ -601,6 +838,7 @@ int CmdHF14ACmdRaw(const char *cmd) {
                PrintAndLog("       -b    number of bits to send. Useful for send partial byte");
                PrintAndLog("       -t    timeout in ms");
                PrintAndLog("       -T    use Topaz protocol to send command");
+               PrintAndLog("       -3    ISO14443-3 select only (skip RATS)");
                return 0;
        }
 
@@ -645,6 +883,9 @@ int CmdHF14ACmdRaw(const char *cmd) {
                                case 'T':
                                        topazmode = true;
                                        break;
+                               case '3':
+                                       no_rats = true;
+                                       break;
                                default:
                                        PrintAndLog("Invalid option");
                                        return 0;
@@ -691,7 +932,7 @@ int CmdHF14ACmdRaw(const char *cmd) {
 
        if(active || active_select)
        {
-               c.arg[0] |= ISO14A_CONNECT;
+               c.arg[0] |= ISO14A_CONNECT | ISO14A_CLEAR_TRACE;
                if(active)
                        c.arg[0] |= ISO14A_NO_SELECT;
        }
@@ -718,6 +959,10 @@ int CmdHF14ACmdRaw(const char *cmd) {
                c.arg[0] |= ISO14A_TOPAZMODE;
        }
 
+       if(no_rats) {
+               c.arg[0] |= ISO14A_NO_RATS;
+       }
+
        // Max buffer is USB_CMD_DATA_SIZE (512)
        c.arg[1] = (datalen & 0xFFFF) | ((uint32_t)numbits << 16);
        memcpy(c.d.asBytes,data,datalen);
@@ -725,27 +970,36 @@ int CmdHF14ACmdRaw(const char *cmd) {
        SendCommand(&c);
 
        if (reply) {
-               if(active_select)
-                       waitCmd(1);
-               if(datalen>0)
+               int res = 0;
+               if (active_select)
+                       res = waitCmd(1);
+               if (!res && datalen > 0)
                        waitCmd(0);
        } // if reply
        return 0;
 }
 
 
-static void waitCmd(uint8_t iSelect)
-{
+static int waitCmd(uint8_t iSelect) {
     uint8_t *recv;
     UsbCommand resp;
     char *hexout;
 
     if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
         recv = resp.d.asBytes;
-        uint8_t iLen = iSelect ? resp.arg[1] : resp.arg[0];
-        PrintAndLog("received %i octets", iLen);
+        uint8_t iLen = resp.arg[0];
+               if (iSelect){
+                       iLen = resp.arg[1];
+                       if (iLen){
+                               PrintAndLog("Card selected. UID[%i]:", iLen);
+                       } else {
+                               PrintAndLog("Can't select card.");
+                       }
+               } else {
+                       PrintAndLog("received %i bytes:", iLen);
+               }
         if(!iLen)
-            return;
+            return 1;
         hexout = (char *)malloc(iLen * 3 + 1);
         if (hexout != NULL) {
             for (int i = 0; i < iLen; i++) { // data in hex
@@ -755,20 +1009,25 @@ static void waitCmd(uint8_t iSelect)
             free(hexout);
         } else {
             PrintAndLog("malloc failed your client has low memory?");
+                       return 2;
         }
     } else {
         PrintAndLog("timeout while waiting for reply.");
+               return 3;
     }
+       return 0;
 }
 
 static command_t CommandTable[] = 
 {
   {"help",   CmdHelp,              1, "This help"},
   {"list",   CmdHF14AList,         0, "[Deprecated] List ISO 14443a history"},
-  {"reader", CmdHF14AReader,       0, "Act like an ISO14443 Type A reader"},
+  {"reader", CmdHF14AReader,       0, "Start acting like an ISO14443 Type A reader"},
+  {"info",   CmdHF14AInfo,         0, "Reads card and shows information about it"},
   {"cuids",  CmdHF14ACUIDs,        0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
   {"sim",    CmdHF14ASim,          0, "<UID> -- Simulate ISO 14443a tag"},
   {"snoop",  CmdHF14ASnoop,        0, "Eavesdrop ISO 14443 Type A"},
+  {"apdu",   CmdHF14AAPDU,         0, "Send an ISO 7816-4 APDU via ISO 14443-4 block transmission protocol"},
   {"raw",    CmdHF14ACmdRaw,       0, "Send raw hex data to tag"},
   {NULL, NULL, 0, NULL}
 };
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