X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/82f495524552e720c2661474ffcc1fcc37b6ff4d..refs/pull/488/head:/client/cmdhf14a.c?ds=sidebyside

diff --git a/client/cmdhf14a.c b/client/cmdhf14a.c
index 928864a1..50071464 100644
--- a/client/cmdhf14a.c
+++ b/client/cmdhf14a.c
@@ -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>
@@ -21,21 +23,17 @@
 #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 +643,158 @@ 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 *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;
+		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, &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 +918,7 @@ 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 +956,17 @@ 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 +985,7 @@ 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 +995,13 @@ 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 +1013,7 @@ 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}
 };