//-----------------------------------------------------------------------------
-// 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,
#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 "comms.h"
+#include "ui.h"
+#include "cmdparser.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 int waitCmd(uint8_t iLen);
char* desc;
} manufactureName;
-const manufactureName manufactureMapping[] = {
+static const manufactureName manufactureMapping[] = {
// ID, "Vendor Country"
{ 0x01, "Motorola UK" },
{ 0x02, "ST Microelectronics SA France" },
{ 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
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);
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
// try to see if card responses to "chinese magic backdoor" commands.
- mfCIdentify();
+ (void)mfCIdentify();
+
+ if (isMifareClassic) {
+ switch(DetectClassicPrng()) {
+ case 0:
+ PrintAndLog("Prng detection: HARDENED (hardnested)");
+ break;
+ case 1:
+ PrintAndLog("Prng detection: WEAK");
+ break;
+ default:
+ PrintAndLog("Prng detection error.");
+ }
+ }
return select_status;
}
return 0;
}
-int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int *dataoutlen) {
- uint8_t data[USB_CMD_DATA_SIZE];
- int datalen;
- uint8_t cmdc = 0;
- uint8_t first, second;
+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;
+ if (activateField) {
+ cmdc |= ISO14A_CONNECT | ISO14A_CLEAR_TRACE;
+ }
if (leaveSignalON)
cmdc |= ISO14A_NO_DISCONNECT;
- // ISO 14443 APDU frame: PCB [CID] [NAD] APDU CRC PCB=0x02
- memcpy(data + 1, datain, datainlen);
- data[0] = 0x02; // bnr,nad,cid,chn=0; i-block(0x00)
- datalen = datainlen + 1;
-
- ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
- data[datalen++] = first;
- data[datalen++] = second;
-
// "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 timeout14a * 1.06 / 100, true, size, &keyBlock[6 * c], e_sector); // timeout is (ms * 106)/10 or us*0.0106
- UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_SET_TIMEOUT | cmdc, (datalen & 0xFFFF), 1000 * 1000 * 1.06 / 100}};
- memcpy(c.d.asBytes, data, datalen);
+ // 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))
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
+ PrintAndLog("APDU ERROR: Proxmark connection timeout.");
return 1;
- if (resp.arg[0] != 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;
- uint8_t iLen = resp.arg[0];
+ int iLen = resp.arg[0];
- *dataoutlen = iLen - 1 - 2;
+ *dataoutlen = iLen - 2;
if (*dataoutlen < 0)
*dataoutlen = 0;
- memcpy(dataout, recv + 1, *dataoutlen);
- if(!iLen)
- return 1;
-
- // check apdu length
- if (iLen < 5) {
- PrintAndLog("APDU ERROR: Small APDU response.");
+ if (maxdataoutlen && *dataoutlen > maxdataoutlen) {
+ PrintAndLog("APDU ERROR: Buffer too small(%d). Needs %d bytes", *dataoutlen, maxdataoutlen);
return 2;
}
- // check block
- if (data[0] != recv[0]) {
- PrintAndLog("APDU ERROR: Block type mismatch: %02x-%02x", data[0], recv[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
- ComputeCrc14443(CRC_14443_A, recv, iLen, &first, &second);
- if (first || second) {
+ 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 0;
}
+// ISO14443-4. 7. Half-duplex block transmission protocol
int CmdHF14AAPDU(const char *cmd) {
uint8_t data[USB_CMD_DATA_SIZE];
int datalen = 0;
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");
+ PrintAndLog(" -t executes TLV decoder if it possible. TODO!!!!");
return 0;
}
return 1;
}
- if (isxdigit(c)) {
+ 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:
cmdp++;
}
- PrintAndLog("--%s %s %s >>>> %s", activateField ? "sel": "", leaveSignalON ? "keep": "", decodeTLV ? "TLV": "", sprint_hex(data, datalen));
+ PrintAndLog(">>>>[%s%s%s] %s", activateField ? "sel ": "", leaveSignalON ? "keep ": "", decodeTLV ? "TLV": "", sprint_hex(data, datalen));
- switch(ExchangeAPDU14a(data, datalen, activateField, leaveSignalON, data, &datalen)) {
- case 0:
- break;
- case 1:
- PrintAndLog("APDU ERROR: Send APDU error.");
- return 1;
- case 2:
- return 2;
- case 3:
- return 3;
- case 4:
- return 4;
- default:
- return 5;
- }
+ 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", data[datalen - 2], data[datalen - 1]); // TODO add APDU descriptions
+ PrintAndLog("APDU response: %02x %02x - %s", data[datalen - 2], data[datalen - 1], GetAPDUCodeDescription(data[datalen - 2], data[datalen - 1]));
- // here TLV decoder...
- if (decodeTLV) {
- PrintAndLog("--- TLV decoded:");
+ // TLV decoder
+ if (decodeTLV && datalen > 4) {
+ TLVPrintFromBuffer(data, datalen - 2);
}
return 0;
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;
}
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 1;
hexout = (char *)malloc(iLen * 3 + 1);
{
{"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 ISO 1443-4 APDU to tag"},
+ {"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}
};
int CmdHF14A(const char *Cmd) {
- // flush
- WaitForResponseTimeout(CMD_ACK,NULL,100);
-
- // parse
- CmdsParse(CommandTable, Cmd);
- return 0;
+ (void)WaitForResponseTimeout(CMD_ACK,NULL,100);
+ CmdsParse(CommandTable, Cmd);
+ return 0;
}
int CmdHelp(const char *Cmd)
projects / proxmark3-svn / blobdiff