]> cvs.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdhf14a.c
Merge pull request #488 from pwpiwi/fix_usbpower
[proxmark3-svn] / client / cmdhf14a.c
index 928864a1b39936000231a552a983986d615c34d8..a0f3ce57e50fe712da0849e94c47a84f389d129d 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,
@@ -9,6 +9,8 @@
 // High frequency ISO14443A commands
 //-----------------------------------------------------------------------------
 
+#include "cmdhf14a.h"
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <inttypes.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 { 
-       uint8_t uid;
-       char* desc;
-} manufactureName; 
 
 const manufactureName manufactureMapping[] = {
        // ID,  "Vendor Country"
@@ -110,7 +108,6 @@ 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       
@@ -135,28 +132,27 @@ int CmdHF14AList(const char *Cmd)
 
 int CmdHF14AReader(const char *Cmd) {
        uint32_t cm = ISO14A_CONNECT;
-       bool disconnectAfter = false;
+       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 [d] [3]");
-                       PrintAndLog("       d    drop the signal field after command executed");
+                       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 'd':
-               case 'D':
-                       disconnectAfter = true;
+               case 'k':
+               case 'K':
+                       disconnectAfter = false;
                        break;
                case 'x':
                case 'X':
-                       disconnectAfter = true;
                        cm = cm - ISO14A_CONNECT;
                        break;
                default:
@@ -199,10 +195,15 @@ int CmdHF14AReader(const char *Cmd) {
                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));
                }
-               PrintAndLog("Card is selected. You can now start sending commands");
-       } else {
+               if (!disconnectAfter) {
+                       PrintAndLog("Card is selected. You can now start sending commands");
+               }
+       }
+
+       if (disconnectAfter) {
                PrintAndLog("Field dropped.");
        }
+       
        return 0;
 }
 
@@ -642,6 +643,164 @@ 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;
+}
+
+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("       -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(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}};
@@ -765,7 +924,7 @@ 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;
        }
@@ -803,17 +962,17 @@ 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;
@@ -832,7 +991,7 @@ static void waitCmd(uint8_t iSelect)
                        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
@@ -842,10 +1001,13 @@ 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[] = 
@@ -857,6 +1019,7 @@ static command_t CommandTable[] =
   {"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 ISO 14443-4 APDU to tag"},
   {"raw",    CmdHF14ACmdRaw,       0, "Send raw hex data to tag"},
   {NULL, NULL, 0, NULL}
 };
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