+//-----------------------------------------------------------------------------
+// 2011, 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,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// High frequency ISO14443A commands
+//-----------------------------------------------------------------------------
+
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
+#include <unistd.h>
+#include "util.h"
#include "iso14443crc.h"
#include "data.h"
-#include "proxusb.h"
+#include "proxmark3.h"
#include "ui.h"
#include "cmdparser.h"
#include "cmdhf14a.h"
+#include "common.h"
+#include "cmdmain.h"
+#include "mifare.h"
static int CmdHelp(const char *Cmd);
+static void waitCmd(uint8_t iLen);
int CmdHF14AList(const char *Cmd)
{
- uint8_t got[1920];
- GetFromBigBuf(got, sizeof(got));
+ 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;
+ }
- PrintAndLog("recorded activity:");
- PrintAndLog(" ETU :rssi: who bytes");
- PrintAndLog("---------+----+----+-----------");
+ if (param == 'f') {
+ ShowWaitCycles = true;
+ }
- int i = 0;
- int prev = -1;
+// for the time being. Need better Bigbuf handling.
+#define TRACE_SIZE 3000
- for (;;) {
- if(i >= 1900) {
- break;
- }
+ uint8_t trace[TRACE_SIZE];
+ GetFromBigBuf(trace, TRACE_SIZE, 0);
+ WaitForResponse(CMD_ACK, NULL);
- bool isResponse;
- int timestamp = *((uint32_t *)(got+i));
- if (timestamp & 0x80000000) {
- timestamp &= 0x7fffffff;
- isResponse = 1;
- } else {
- isResponse = 0;
- }
+ 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 (! denotes parity error) | CRC ");
+ PrintAndLog("-----------|-----------|-----|-----------------------------------------------------------------------");
- 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.
+ uint16_t tracepos = 0;
+ uint16_t duration;
+ uint16_t data_len;
+ uint16_t parity_len;
+ bool isResponse;
+ uint32_t timestamp;
+ uint32_t first_timestamp;
+ uint32_t EndOfTransmissionTimestamp;
+
+ for (;;) {
+ if(tracepos >= TRACE_SIZE) {
+ break;
+ }
- int len = got[i+8];
+ timestamp = *((uint32_t *)(trace + tracepos));
+ if(tracepos == 0) {
+ first_timestamp = timestamp;
+ }
- if (len > 100) {
- break;
- }
- if (i + len >= 1900) {
- break;
- }
+ // Break and stick with current result if buffer was not completely full
+ if (timestamp == 0x44444444) break;
- uint8_t *frame = (got+i+9);
+ tracepos += 4;
+ duration = *((uint16_t *)(trace + tracepos));
+ tracepos += 2;
+ data_len = *((uint16_t *)(trace + tracepos));
+ tracepos += 2;
+
+ if (data_len & 0x8000) {
+ data_len &= 0x7fff;
+ isResponse = true;
+ } else {
+ isResponse = false;
+ }
- // Break and stick with current result if buffer was not completely full
- if (frame[0] == 0x44 && frame[1] == 0x44 && frame[3] == 0x44) { break; }
+ parity_len = (data_len-1)/8 + 1;
- char line[1000] = "";
- int j;
- for (j = 0; j < len; j++) {
- int oddparity = 0x01;
- int k;
+ if (tracepos + data_len + parity_len >= TRACE_SIZE) {
+ break;
+ }
+
+ uint8_t *frame = trace + tracepos;
+ tracepos += data_len;
+ uint8_t *parityBytes = trace + tracepos;
+ tracepos += parity_len;
- for (k=0;k<8;k++) {
- oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
- }
+ char line[16][110];
+ for (int j = 0; j < data_len; j++) {
+ int oddparity = 0x01;
+ int k;
+
+ 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]);
- }
- }
+ uint8_t parityBits = parityBytes[j>>3];
+ if (isResponse && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
+ sprintf(line[j/16]+((j%16)*4), "%02x! ", frame[j]);
+ } else {
+ sprintf(line[j/16]+((j%16)*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;
- }*/
- }
-
- 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
- }
+ }
- char metricString[100];
- if (isResponse) {
- sprintf(metricString, "%3d", metric);
- } else {
- strcpy(metricString, " ");
- }
+ char crc[5] = "";
+ if (data_len > 2) {
+ uint8_t b1, b2;
+ ComputeCrc14443(CRC_14443_A, frame, data_len-2, &b1, &b2);
+ if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) {
+ sprintf(crc, (isResponse & (data_len < 6)) ? "" : "!crc");
+ } else {
+ sprintf(crc, "");
+ }
+ }
- PrintAndLog(" +%7d: %s: %s %s %s",
- (prev < 0 ? 0 : (timestamp - prev)),
- metricString,
- (isResponse ? "TAG" : " "), line, crc);
+ EndOfTransmissionTimestamp = timestamp + duration;
+
+ int num_lines = (data_len - 1)/16 + 1;
+ for (int j = 0; j < num_lines; j++) {
+ if (j == 0) {
+ PrintAndLog(" %9d | %9d | %s | %-64s| %s",
+ (timestamp - first_timestamp),
+ (EndOfTransmissionTimestamp - first_timestamp),
+ (isResponse ? "Tag" : "Rdr"),
+ line[j],
+ (j == num_lines-1)?crc:"");
+ } else {
+ PrintAndLog(" | | | %-64s| %s",
+ line[j],
+ (j == num_lines-1)?crc:"");
+ }
+ }
- prev = timestamp;
- i += (len + 9);
- }
- return 0;
+ bool next_isResponse = *((uint16_t *)(trace + tracepos + 6)) & 0x8000;
+
+ if (ShowWaitCycles && !isResponse && next_isResponse) {
+ uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
+ if (next_timestamp != 0x44444444) {
+ PrintAndLog(" %9d | %9d | %s | fdt (Frame Delay Time): %d",
+ (EndOfTransmissionTimestamp - first_timestamp),
+ (next_timestamp - first_timestamp),
+ " ",
+ (next_timestamp - EndOfTransmissionTimestamp));
+ }
+ }
+
+ }
+
+ return 0;
}
-int CmdHF14AMifare(const char *Cmd)
-{
- UsbCommand c = {CMD_READER_MIFARE, {strtol(Cmd, NULL, 0), 0, 0}};
- SendCommand(&c);
- return 0;
+void iso14a_set_timeout(uint32_t timeout) {
+ UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_SET_TIMEOUT, 0, timeout}};
+ SendCommand(&c);
}
int CmdHF14AReader(const char *Cmd)
{
- UsbCommand c = {CMD_READER_ISO_14443a, {strtol(Cmd, NULL, 0), 0, 0}};
- SendCommand(&c);
- return 0;
+ UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
+ SendCommand(&c);
+
+ 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
+
+ if(select_status == 0) {
+ PrintAndLog("iso14443a card select failed");
+ // disconnect
+ c.arg[0] = 0;
+ c.arg[1] = 0;
+ c.arg[2] = 0;
+ SendCommand(&c);
+ return 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) {
+ 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;
+ case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break;
+ case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k | Plus 4k SL1"); break;
+ case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41"); break;
+ case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire | DESFire EV1"); break;
+ case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break;
+ case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
+ case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break;
+ case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
+ default: ;
+ }
+
+
+ // 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]; // note: ats_len includes CRC Bytes
+ }
+
+ // 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;
+
+ if (select_status == 2) {
+ PrintAndLog("SAK incorrectly claims that card doesn't support RATS");
+ }
+ PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
+ PrintAndLog(" - TL : length is %d bytes", card.ats[0]);
+ if (card.ats[0] != card.ats_len - 2) {
+ PrintAndLog("ATS may be corrupted. Length of ATS (%d bytes incl. 2 Bytes CRC) doesn't match TL", card.ats_len);
+ }
+
+ if (card.ats[0] > 1) { // there is a format byte (T0)
+ ta1 = (card.ats[1] & 0x10) == 0x10;
+ tb1 = (card.ats[1] & 0x20) == 0x20;
+ tc1 = (card.ats[1] & 0x40) == 0x40;
+ int16_t fsci = card.ats[1] & 0x0f;
+ PrintAndLog(" - T0 : TA1 is%s present, TB1 is%s present, "
+ "TC1 is%s present, FSCI is %d (FSC = %ld)",
+ (ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
+ fsci,
+ fsci < 5 ? (fsci - 2) * 8 :
+ fsci < 8 ? (fsci - 3) * 32 :
+ fsci == 8 ? 256 :
+ -1
+ );
+ }
+ pos = 2;
+ if (ta1) {
+ 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 (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);
+ pos++;
+ }
+ if (tb1) {
+ uint32_t sfgi = card.ats[pos] & 0x0F;
+ uint32_t fwi = card.ats[pos] >> 4;
+ PrintAndLog(" - TB1 : SFGI = %d (SFGT = %s%ld/fc), FWI = %d (FWT = %ld/fc)",
+ (sfgi),
+ sfgi ? "" : "(not needed) ",
+ sfgi ? (1 << 12) << sfgi : 0,
+ fwi,
+ (1 << 12) << fwi
+ );
+ pos++;
+ }
+ if (tc1) {
+ PrintAndLog(" - TC1 : NAD is%s supported, CID is%s supported",
+ (card.ats[pos] & 0x01) ? "" : " NOT",
+ (card.ats[pos] & 0x02) ? "" : " NOT");
+ pos++;
+ }
+ if (card.ats[0] > pos) {
+ char *tip = "";
+ if (card.ats[0] - 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) {
+ tip = "-> MIFARE Plus S 2K or 4K";
+ }
+ }
+ PrintAndLog(" - HB : %s%s", sprint_hex(card.ats + pos, card.ats[0] - pos), 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) {
+ case 0x10:
+ PrintAndLog(" 1x -> MIFARE DESFire");
+ break;
+ case 0x20:
+ PrintAndLog(" 2x -> MIFARE Plus");
+ break;
+ }
+ switch (card.ats[pos + 2] & 0x0f) {
+ case 0x00:
+ PrintAndLog(" x0 -> <1 kByte");
+ break;
+ case 0x01:
+ PrintAndLog(" x0 -> 1 kByte");
+ break;
+ case 0x02:
+ PrintAndLog(" x0 -> 2 kByte");
+ break;
+ case 0x03:
+ PrintAndLog(" x0 -> 4 kByte");
+ break;
+ case 0x04:
+ PrintAndLog(" x0 -> 8 kByte");
+ break;
+ }
+ switch (card.ats[pos + 3] & 0xf0) {
+ case 0x00:
+ PrintAndLog(" 0x -> Engineering sample");
+ break;
+ case 0x20:
+ PrintAndLog(" 2x -> Released");
+ break;
+ }
+ switch (card.ats[pos + 3] & 0x0f) {
+ case 0x00:
+ PrintAndLog(" x0 -> Generation 1");
+ break;
+ case 0x01:
+ PrintAndLog(" x1 -> Generation 2");
+ break;
+ case 0x02:
+ PrintAndLog(" x2 -> Generation 3");
+ break;
+ }
+ switch (card.ats[pos + 4] & 0x0f) {
+ case 0x00:
+ PrintAndLog(" x0 -> Only VCSL supported");
+ break;
+ case 0x01:
+ PrintAndLog(" x1 -> VCS, VCSL, and SVC supported");
+ break;
+ case 0x0E:
+ PrintAndLog(" xE -> no VCS command supported");
+ break;
+ }
+ }
+ }
+ } else {
+ PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
+ }
+
+ return select_status;
+}
+
+// Collect ISO14443 Type A UIDs
+int CmdHF14ACUIDs(const char *Cmd)
+{
+ // requested number of UIDs
+ int n = atoi(Cmd);
+ // collect at least 1 (e.g. if no parameter was given)
+ n = n > 0 ? n : 1;
+
+ PrintAndLog("Collecting %d UIDs", n);
+ PrintAndLog("Start: %u", time(NULL));
+ // repeat n times
+ for (int i = 0; i < n; i++) {
+ // execute anticollision procedure
+ UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
+ SendCommand(&c);
+
+ UsbCommand resp;
+ WaitForResponse(CMD_ACK,&resp);
+
+ 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 {
+ 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));
+
+ return 1;
}
// ## simulate iso14443a tag
// ## greg - added ability to specify tag UID
int CmdHF14ASim(const char *Cmd)
-{
+{
+ UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{0,0,0}};
+
+ // Retrieve the tag type
+ uint8_t tagtype = param_get8ex(Cmd,0,0,10);
+
+ // When no argument was given, just print help message
+ if (tagtype == 0) {
+ PrintAndLog("");
+ PrintAndLog(" Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID");
+ PrintAndLog("");
+ PrintAndLog(" syntax: hf 14a sim <type> <uid>");
+ PrintAndLog(" types: 1 = MIFARE Classic");
+ PrintAndLog(" 2 = MIFARE Ultralight");
+ PrintAndLog(" 3 = MIFARE DESFIRE");
+ PrintAndLog(" 4 = ISO/IEC 14443-4");
+ PrintAndLog("");
+ return 1;
+ }
+
+ // Store the tag type
+ c.arg[0] = tagtype;
+
+ // Retrieve the full 4 or 7 byte long uid
+ uint64_t long_uid = param_get64ex(Cmd,1,0,16);
+
+ // Are we handling the (optional) second part uid?
+ if (long_uid > 0xffffffff) {
+ PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014"llx")",long_uid);
+ // Store the second part
+ c.arg[2] = (long_uid & 0xffffffff);
+ long_uid >>= 32;
+ // Store the first part, ignore the first byte, it is replaced by cascade byte (0x88)
+ c.arg[1] = (long_uid & 0xffffff);
+ } else {
+ PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",long_uid);
+ // Only store the first part
+ c.arg[1] = long_uid & 0xffffffff;
+ }
+/*
+ // At lease save the mandatory first part of the UID
+ c.arg[0] = long_uid & 0xffffffff;
+
+
+ // At lease save the mandatory first part of the UID
+ c.arg[0] = long_uid & 0xffffffff;
+
+ if (c.arg[1] == 0) {
+ PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
+ }
+
+ switch (c.arg[0]) {
+ case 1: {
+ PrintAndLog("Emulating ISO/IEC 14443-3 type A tag with 4 byte UID");
+ UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16)};
+ } break;
+ case 2: {
+ PrintAndLog("Emulating ISO/IEC 14443-4 type A tag with 7 byte UID");
+ } break;
+ default: {
+ PrintAndLog("Error: unkown tag type (%d)",c.arg[0]);
+ PrintAndLog("syntax: hf 14a sim <uid>",c.arg[0]);
+ PrintAndLog(" type1: 4 ",c.arg[0]);
+ return 1;
+ } break;
+ }
+*/
+/*
unsigned int hi = 0, lo = 0;
int n = 0, i = 0;
while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
hi= (hi << 4) | (lo >> 28);
lo= (lo << 4) | (n & 0xf);
}
-
- // c.arg should be set to *Cmd or convert *Cmd to the correct format for a uid
- UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a, {hi, lo, 0}};
- PrintAndLog("Emulating 14443A TAG with UID %x%16x", hi, lo);
+*/
+// UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16)};
+// PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
SendCommand(&c);
return 0;
}
-int CmdHF14ASnoop(const char *Cmd)
-{
- UsbCommand c = {CMD_SNOOP_ISO_14443a};
+int CmdHF14ASnoop(const char *Cmd) {
+ int param = 0;
+
+ if (param_getchar(Cmd, 0) == 'h') {
+ PrintAndLog("It get data from the field and saves it into command buffer.");
+ PrintAndLog("Buffer accessible from command hf 14a list.");
+ PrintAndLog("Usage: hf 14a snoop [c][r]");
+ PrintAndLog("c - triggered by first data from card");
+ PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
+ PrintAndLog("sample: hf 14a snoop c r");
+ return 0;
+ }
+
+ for (int i = 0; i < 2; i++) {
+ char ctmp = param_getchar(Cmd, i);
+ if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
+ if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
+ }
+
+ UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
SendCommand(&c);
return 0;
}
+int CmdHF14ACmdRaw(const char *cmd) {
+ UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
+ uint8_t reply=1;
+ uint8_t crc=0;
+ uint8_t power=0;
+ uint8_t active=0;
+ uint8_t active_select=0;
+ uint16_t numbits=0;
+ char buf[5]="";
+ int i=0;
+ uint8_t data[100];
+ unsigned int datalen=0, temp;
+
+ if (strlen(cmd)<2) {
+ PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] <number of bits> <0A 0B 0C ... hex>");
+ PrintAndLog(" -r do not read response");
+ PrintAndLog(" -c calculate and append CRC");
+ PrintAndLog(" -p leave the signal field ON after receive");
+ PrintAndLog(" -a active signal field ON without select");
+ PrintAndLog(" -s active signal field ON with select");
+ PrintAndLog(" -b number of bits to send. Useful for send partial byte");
+ return 0;
+ }
+
+ // strip
+ while (*cmd==' ' || *cmd=='\t') cmd++;
+
+ while (cmd[i]!='\0') {
+ if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
+ if (cmd[i]=='-') {
+ switch (cmd[i+1]) {
+ case 'r':
+ reply=0;
+ break;
+ case 'c':
+ crc=1;
+ break;
+ case 'p':
+ power=1;
+ break;
+ case 'a':
+ active=1;
+ break;
+ case 's':
+ active_select=1;
+ break;
+ case 'b':
+ sscanf(cmd+i+2,"%d",&temp);
+ numbits = temp & 0xFFFF;
+ i+=3;
+ while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
+ i-=2;
+ break;
+ default:
+ PrintAndLog("Invalid option");
+ return 0;
+ }
+ i+=2;
+ continue;
+ }
+ if ((cmd[i]>='0' && cmd[i]<='9') ||
+ (cmd[i]>='a' && cmd[i]<='f') ||
+ (cmd[i]>='A' && cmd[i]<='F') ) {
+ buf[strlen(buf)+1]=0;
+ buf[strlen(buf)]=cmd[i];
+ i++;
+
+ if (strlen(buf)>=2) {
+ sscanf(buf,"%x",&temp);
+ data[datalen]=(uint8_t)(temp & 0xff);
+ datalen++;
+ *buf=0;
+ }
+ continue;
+ }
+ PrintAndLog("Invalid char on input");
+ return 0;
+ }
+ if(crc && datalen>0)
+ {
+ uint8_t first, second;
+ ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
+ data[datalen++] = first;
+ data[datalen++] = second;
+ }
+
+ if(active || active_select)
+ {
+ c.arg[0] |= ISO14A_CONNECT;
+ if(active)
+ c.arg[0] |= ISO14A_NO_SELECT;
+ }
+ if(power)
+ c.arg[0] |= ISO14A_NO_DISCONNECT;
+ if(datalen>0)
+ c.arg[0] |= ISO14A_RAW;
+
+ c.arg[1] = datalen;
+ c.arg[2] = numbits;
+ memcpy(c.d.asBytes,data,datalen);
+
+ SendCommand(&c);
+
+ if (reply) {
+ if(active_select)
+ waitCmd(1);
+ if(datalen>0)
+ waitCmd(0);
+ } // if reply
+ return 0;
+}
+
+static void waitCmd(uint8_t iSelect)
+{
+ uint8_t *recv;
+ UsbCommand resp;
+ char *hexout;
+
+ if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
+ recv = resp.d.asBytes;
+ uint8_t iLen = iSelect ? resp.arg[1] : resp.arg[0];
+ PrintAndLog("received %i octets",iLen);
+ if(!iLen)
+ return;
+ hexout = (char *)malloc(iLen * 3 + 1);
+ if (hexout != NULL) {
+ for (int i = 0; i < iLen; i++) { // data in hex
+ sprintf(&hexout[i * 3], "%02X ", recv[i]);
+ }
+ PrintAndLog("%s", hexout);
+ free(hexout);
+ } else {
+ PrintAndLog("malloc failed your client has low memory?");
+ }
+ } else {
+ PrintAndLog("timeout while waiting for reply.");
+ }
+}
+
static command_t CommandTable[] =
{
- {"help", CmdHelp, 1, "This help"},
- {"list", CmdHF14AList, 0, "List ISO 14443a history"},
- {"mifare", CmdHF14AMifare, 0, "Read out sector 0 parity error messages"},
- {"reader", CmdHF14AReader, 0, "Act like an ISO14443 Type A reader"},
- {"sim", CmdHF14ASim, 0, "<UID> -- Fake ISO 14443a tag"},
- {"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"},
+ {"help", CmdHelp, 1, "This help"},
+ {"list", CmdHF14AList, 0, "List ISO 14443a history"},
+ {"reader", CmdHF14AReader, 0, "Act like an ISO14443 Type A reader"},
+ {"cuids", CmdHF14ACUIDs, 0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
+ {"sim", CmdHF14ASim, 0, "<UID> -- Fake ISO 14443a tag"},
+ {"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"},
+ {"raw", CmdHF14ACmdRaw, 0, "Send raw hex data to tag"},
{NULL, NULL, 0, NULL}
};
-int CmdHF14A(const char *Cmd)
-{
+int CmdHF14A(const char *Cmd) {
+ // flush
+ WaitForResponseTimeout(CMD_ACK,NULL,100);
+
+ // parse
CmdsParse(CommandTable, Cmd);
return 0;
}
projects / proxmark3-svn / blobdiff