X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/9ca155ba443e8f2a9feb7640f4b461842cce9e35..55eaed8f2ad26b9db249e2259c13444c38906795:/client/cmdhf.c

diff --git a/client/cmdhf.c b/client/cmdhf.c
index 87c819fb..2da4c2d9 100644
--- a/client/cmdhf.c
+++ b/client/cmdhf.c
@@ -9,7 +9,8 @@
 //-----------------------------------------------------------------------------
 
 #include <stdio.h>
-#include "proxusb.h"
+#include <string.h>
+#include "proxmark3.h"
 #include "graph.h"
 #include "ui.h"
 #include "cmdparser.h"
@@ -17,6 +18,7 @@
 #include "cmdhf14a.h"
 #include "cmdhf14b.h"
 #include "cmdhf15.h"
+#include "cmdhfepa.h"
 #include "cmdhflegic.h"
 #include "cmdhficlass.h"
 #include "cmdhfmf.h"
@@ -29,6 +31,443 @@ int CmdHFTune(const char *Cmd)
   SendCommand(&c);
   return 0;
 }
+// for the time being. Need better Bigbuf handling.
+#define TRACE_SIZE 3000
+
+//The following data is taken from http://www.proxmark.org/forum/viewtopic.php?pid=13501#p13501
+/*
+ISO14443A (usually NFC tags)
+	26 (7bits) = REQA
+	30 = Read (usage: 30+1byte block number+2bytes ISO14443A-CRC - answer: 16bytes)
+	A2 = Write (usage: A2+1byte block number+4bytes data+2bytes ISO14443A-CRC - answer: 0A [ACK] or 00 [NAK])
+	52 (7bits) = WUPA (usage: 52(7bits) - answer: 2bytes ATQA)
+	93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
+	93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
+	95 20 = Anticollision of cascade level2
+	95 70 = Select of cascade level2
+	50 00 = Halt (usage: 5000+2bytes ISO14443A-CRC - no answer from card)
+Mifare
+	60 = Authenticate with KeyA
+	61 = Authenticate with KeyB
+	40 (7bits) = Used to put Chinese Changeable UID cards in special mode (must be followed by 43 (8bits) - answer: 0A)
+	C0 = Decrement
+	C1 = Increment
+	C2 = Restore
+	B0 = Transfer
+Ultralight C
+	A0 = Compatibility Write (to accomodate MIFARE commands)
+	1A = Step1 Authenticate
+	AF = Step2 Authenticate
+
+
+ISO14443B
+	05 = REQB
+	1D = ATTRIB
+	50 = HALT
+SRIX4K (tag does not respond to 05)
+	06 00 = INITIATE
+	0E xx = SELECT ID (xx = Chip-ID)
+	0B = Get UID
+	08 yy = Read Block (yy = block number)
+	09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
+	0C = Reset to Inventory
+	0F = Completion
+	0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
+
+
+ISO15693
+	MANDATORY COMMANDS (all ISO15693 tags must support those)
+		01 = Inventory (usage: 260100+2bytes ISO15693-CRC - answer: 12bytes)
+		02 = Stay Quiet
+	OPTIONAL COMMANDS (not all tags support them)
+		20 = Read Block (usage: 0220+1byte block number+2bytes ISO15693-CRC - answer: 4bytes)
+		21 = Write Block (usage: 0221+1byte block number+4bytes data+2bytes ISO15693-CRC - answer: 4bytes)
+		22 = Lock Block
+		23 = Read Multiple Blocks (usage: 0223+1byte 1st block to read+1byte last block to read+2bytes ISO15693-CRC)
+		25 = Select
+		26 = Reset to Ready
+		27 = Write AFI
+		28 = Lock AFI
+		29 = Write DSFID
+		2A = Lock DSFID
+		2B = Get_System_Info (usage: 022B+2bytes ISO15693-CRC - answer: 14 or more bytes)
+		2C = Read Multiple Block Security Status (usage: 022C+1byte 1st block security to read+1byte last block security to read+2bytes ISO15693-CRC)
+
+EM Microelectronic CUSTOM COMMANDS
+	A5 = Active EAS (followed by 1byte IC Manufacturer code+1byte EAS type)
+	A7 = Write EAS ID (followed by 1byte IC Manufacturer code+2bytes EAS value)
+	B8 = Get Protection Status for a specific block (followed by 1byte IC Manufacturer code+1byte block number+1byte of how many blocks after the previous is needed the info)
+	E4 = Login (followed by 1byte IC Manufacturer code+4bytes password)
+NXP/Philips CUSTOM COMMANDS
+	A0 = Inventory Read
+	A1 = Fast Inventory Read
+	A2 = Set EAS
+	A3 = Reset EAS
+	A4 = Lock EAS
+	A5 = EAS Alarm
+	A6 = Password Protect EAS
+	A7 = Write EAS ID
+	A8 = Read EPC
+	B0 = Inventory Page Read
+	B1 = Fast Inventory Page Read
+	B2 = Get Random Number
+	B3 = Set Password
+	B4 = Write Password
+	B5 = Lock Password
+	B6 = Bit Password Protection
+	B7 = Lock Page Protection Condition
+	B8 = Get Multiple Block Protection Status
+	B9 = Destroy SLI
+	BA = Enable Privacy
+	BB = 64bit Password Protection
+	40 = Long Range CMD (Standard ISO/TR7003:1990)
+		*/
+
+#define ICLASS_CMD_ACTALL 0x0A
+#define ICLASS_CMD_READ_OR_IDENTIFY 0x0C
+#define ICLASS_CMD_SELECT 0x81
+#define ICLASS_CMD_PAGESEL 0x84
+#define ICLASS_CMD_READCHECK 0x88
+#define ICLASS_CMD_CHECK 0x05
+#define ICLASS_CMD_SOF 0x0F
+#define ICLASS_CMD_HALT 0x00
+
+#define ISO14443_CMD_REQA       0x26
+#define ISO14443_CMD_READBLOCK  0x30
+#define ISO14443_CMD_WUPA       0x52
+#define ISO14443_CMD_ANTICOLL_OR_SELECT     0x93
+#define ISO14443_CMD_ANTICOLL_OR_SELECT_2   0x95
+#define ISO14443_CMD_WRITEBLOCK 0xA0 // or 0xA2 ?
+#define ISO14443_CMD_HALT       0x50
+#define ISO14443_CMD_RATS       0xE0
+
+#define MIFARE_AUTH_KEYA	    0x60
+#define MIFARE_AUTH_KEYB	    0x61
+#define MIFARE_MAGICMODE	    0x40
+#define MIFARE_CMD_INC          0xC0
+#define MIFARE_CMD_DEC          0xC1
+#define MIFARE_CMD_RESTORE      0xC2
+#define MIFARE_CMD_TRANSFER     0xB0
+
+#define MIFARE_ULC_WRITE        0xA0
+#define MIFARE_ULC_AUTH_1       0x1A
+#define MIFARE_ULC_AUTH_2        0xAF
+
+#define ISO14443B_REQB         0x05
+#define ISO14443B_ATTRIB       0x1D
+#define ISO14443B_HALT         0x50
+
+//First byte is 26
+#define ISO15693_INVENTORY     0x01
+#define ISO15693_STAYQUIET     0x02
+//First byte is 02
+#define ISO15693_READBLOCK            0x20
+#define ISO15693_WRITEBLOCK           0x21
+#define ISO15693_LOCKBLOCK            0x22
+#define ISO15693_READ_MULTI_BLOCK     0x23
+#define ISO15693_SELECT               0x25
+#define ISO15693_RESET_TO_READY       0x26
+#define ISO15693_WRITE_AFI            0x27
+#define ISO15693_LOCK_AFI             0x28
+#define ISO15693_WRITE_DSFID          0x29
+#define ISO15693_LOCK_DSFID           0x2A
+#define ISO15693_GET_SYSTEM_INFO      0x2B
+#define ISO15693_READ_MULTI_SECSTATUS 0x2C
+
+
+
+
+void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
+{
+	switch(cmd[0])
+	{
+	case ISO14443_CMD_WUPA:        snprintf(exp,size,"WUPA"); break;
+	case ISO14443_CMD_ANTICOLL_OR_SELECT:{
+		// 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
+		// 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
+		if(cmd[2] == 0x70)
+		{
+			snprintf(exp,size,"SELECT_UID"); break;
+		}else
+		{
+			snprintf(exp,size,"ANTICOLL"); break;
+		}
+	}
+	case ISO14443_CMD_ANTICOLL_OR_SELECT_2:{
+		//95 20 = Anticollision of cascade level2
+		//95 70 = Select of cascade level2
+		if(cmd[2] == 0x70)
+		{
+			snprintf(exp,size,"SELECT_UID-2"); break;
+		}else
+		{
+			snprintf(exp,size,"ANTICOLL-2"); break;
+		}
+	}
+	case ISO14443_CMD_REQA:       snprintf(exp,size,"REQA"); break;
+	case ISO14443_CMD_READBLOCK:  snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
+	case ISO14443_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
+	case ISO14443_CMD_HALT:       snprintf(exp,size,"HALT"); break;
+	case ISO14443_CMD_RATS:       snprintf(exp,size,"RATS"); break;
+	case MIFARE_CMD_INC:          snprintf(exp,size,"INC(%d)",cmd[1]); break;
+	case MIFARE_CMD_DEC:          snprintf(exp,size,"DEC(%d)",cmd[1]); break;
+	case MIFARE_CMD_RESTORE:      snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
+	case MIFARE_CMD_TRANSFER:     snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
+	case MIFARE_AUTH_KEYA:        snprintf(exp,size,"AUTH-A"); break;
+	case MIFARE_AUTH_KEYB:        snprintf(exp,size,"AUTH-B"); break;
+	case MIFARE_MAGICMODE:        snprintf(exp,size,"MAGIC"); break;
+	default:                      snprintf(exp,size,"?"); break;
+	}
+	return;
+}
+
+void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
+{
+	switch(cmd[0])
+	{
+	case ICLASS_CMD_ACTALL:      snprintf(exp,size,"ACTALL"); break;
+	case ICLASS_CMD_READ_OR_IDENTIFY:{
+		if(cmdsize > 1){
+			snprintf(exp,size,"READ(%d)",cmd[1]);
+		}else{
+			snprintf(exp,size,"IDENTIFY");
+		}
+		break;
+	}
+	case ICLASS_CMD_SELECT:      snprintf(exp,size,"SELECT"); break;
+	case ICLASS_CMD_PAGESEL:     snprintf(exp,size,"PAGESEL"); break;
+	case ICLASS_CMD_READCHECK:   snprintf(exp,size,"READCHECK"); break;
+	case ICLASS_CMD_CHECK:       snprintf(exp,size,"CHECK"); break;
+	case ICLASS_CMD_SOF:         snprintf(exp,size,"SOF"); break;
+	case ICLASS_CMD_HALT:        snprintf(exp,size,"HALT"); break;
+	default:                     snprintf(exp,size,"?"); break;
+	}
+	return;
+}
+
+void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
+{
+
+	if(cmd[0] == 0x26)
+	{
+		switch(cmd[1]){
+		case ISO15693_INVENTORY           :snprintf(exp, size, "INVENTORY");break;
+		case ISO15693_STAYQUIET           :snprintf(exp, size, "STAY_QUIET");break;
+		default:                     snprintf(exp,size,"?"); break;
+
+		}
+	}else if(cmd[0] == 0x02)
+	{
+		switch(cmd[1])
+		{
+		case ISO15693_READBLOCK            :snprintf(exp, size, "READBLOCK");break;
+		case ISO15693_WRITEBLOCK           :snprintf(exp, size, "WRITEBLOCK");break;
+		case ISO15693_LOCKBLOCK            :snprintf(exp, size, "LOCKBLOCK");break;
+		case ISO15693_READ_MULTI_BLOCK     :snprintf(exp, size, "READ_MULTI_BLOCK");break;
+		case ISO15693_SELECT               :snprintf(exp, size, "SELECT");break;
+		case ISO15693_RESET_TO_READY       :snprintf(exp, size, "RESET_TO_READY");break;
+		case ISO15693_WRITE_AFI            :snprintf(exp, size, "WRITE_AFI");break;
+		case ISO15693_LOCK_AFI             :snprintf(exp, size, "LOCK_AFI");break;
+		case ISO15693_WRITE_DSFID          :snprintf(exp, size, "WRITE_DSFID");break;
+		case ISO15693_LOCK_DSFID           :snprintf(exp, size, "LOCK_DSFID");break;
+		case ISO15693_GET_SYSTEM_INFO      :snprintf(exp, size, "GET_SYSTEM_INFO");break;
+		case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break;
+		default:                     snprintf(exp,size,"?"); break;
+		}
+	}
+}
+
+uint16_t printTraceLine(uint16_t tracepos, uint8_t* trace, bool iclass, bool showWaitCycles)
+{
+	bool isResponse;
+	uint16_t duration, data_len,parity_len;
+
+	uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp;
+	char explanation[30] = {0};
+
+	first_timestamp = *((uint32_t *)(trace));
+	timestamp = *((uint32_t *)(trace + tracepos));
+	// Break and stick with current result if buffer was not completely full
+	if (timestamp == 0x44444444) return TRACE_SIZE;
+
+	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;
+	}
+	parity_len = (data_len-1)/8 + 1;
+
+	if (tracepos + data_len + parity_len >= TRACE_SIZE) {
+		return TRACE_SIZE;
+	}
+
+	uint8_t *frame = trace + tracepos;
+	tracepos += data_len;
+	uint8_t *parityBytes = trace + tracepos;
+	tracepos += parity_len;
+
+	//--- Draw the data column
+	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);
+		}
+
+		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]);
+		}
+	}
+	//--- Draw the CRC column
+	bool crcError = false;
+
+	if (data_len > 2) {
+		uint8_t b1, b2;
+		if(iclass)
+		{
+			if(!isResponse && data_len == 4 ) {
+				// Rough guess that this is a command from the reader
+				// For iClass the command byte is not part of the CRC
+				ComputeCrc14443(CRC_ICLASS, &frame[1], data_len-3, &b1, &b2);
+			}
+			else {
+				// For other data.. CRC might not be applicable (UPDATE commands etc.)
+				ComputeCrc14443(CRC_ICLASS, frame, data_len-2, &b1, &b2);
+			}
+
+			if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) {
+				crcError = true;
+			}
+
+		}else{//Iso 14443a
+
+			ComputeCrc14443(CRC_14443_A, frame, data_len-2, &b1, &b2);
+
+			if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) {
+				if(!(isResponse & (data_len < 6)))
+				{
+						crcError = true;
+				}
+			}
+		}
+
+	}
+	char *crc = crcError ? "!crc" :"    ";
+
+	EndOfTransmissionTimestamp = timestamp + duration;
+
+	if(!isResponse)
+	{
+		if(iclass)	annotateIclass(explanation,sizeof(explanation),frame,data_len);
+		else annotateIso14443a(explanation,sizeof(explanation),frame,data_len);
+	}
+
+	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| %s",
+				(timestamp - first_timestamp),
+				(EndOfTransmissionTimestamp - first_timestamp),
+				(isResponse ? "Tag" : "Rdr"),
+				line[j],
+				(j == num_lines-1) ? crc : "    ",
+				(j == num_lines-1) ? explanation : "");
+		} else {
+			PrintAndLog("           |           |     | %-64s| %s| %s",
+				line[j],
+				(j == num_lines-1)?crc:"    ",
+				(j == num_lines-1) ? explanation : "");
+		}
+	}
+
+	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 tracepos;
+}
+
+int CmdHFList(const char *Cmd)
+{
+	bool showWaitCycles = false;
+	char type[40] = {0};
+	int tlen = param_getstr(Cmd,0,type);
+	char param = param_getchar(Cmd, 1);
+	bool errors = false;
+	bool iclass = false;
+	//Validate params
+	if(tlen == 0 || (strcmp(type, "iclass") != 0 && strcmp(type,"14a") != 0))
+	{
+		errors = true;
+	}
+	if(param == 'h' || (param !=0 && param != 'f'))
+	{
+		errors = true;
+	}
+
+	if (errors) {
+		PrintAndLog("List protocol data in trace buffer.");
+		PrintAndLog("Usage:  hf list [14a|iclass] [f]");
+		PrintAndLog("    14a    - interpret data as iso14443a communications");
+		PrintAndLog("    iclass - interpret data as iclass communications");
+		PrintAndLog("    f      - show frame delay times as well");
+		PrintAndLog("");
+		PrintAndLog("example: hf list 14a f");
+		PrintAndLog("example: hf list iclass");
+		return 0;
+	}
+	if(strcmp(type, "iclass") == 0)
+	{
+		iclass = true;
+	}
+
+	if (param == 'f') {
+		showWaitCycles = true;
+	}
+
+
+	uint8_t trace[TRACE_SIZE];
+	uint16_t tracepos = 0;
+	GetFromBigBuf(trace, TRACE_SIZE, 0);
+	WaitForResponse(CMD_ACK, NULL);
+
+	PrintAndLog("Recorded Activity");
+	PrintAndLog("");
+	PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
+	PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
+	PrintAndLog("iClass    - Timings are not as accurate");
+	PrintAndLog("");
+	PrintAndLog("     Start |       End | Src | Data (! denotes parity error)                                   | CRC | Annotation         |");
+	PrintAndLog("-----------|-----------|-----|-----------------------------------------------------------------|-----|--------------------|");
+
+	while(tracepos < TRACE_SIZE)
+	{
+		tracepos = printTraceLine(tracepos, trace, iclass, showWaitCycles);
+	}
+	return 0;
+}
+
 
 static command_t CommandTable[] = 
 {
@@ -36,11 +475,13 @@ static command_t CommandTable[] =
   {"14a",         CmdHF14A,         1, "{ ISO14443A RFIDs... }"},
   {"14b",         CmdHF14B,         1, "{ ISO14443B RFIDs... }"},
   {"15",          CmdHF15,          1, "{ ISO15693 RFIDs... }"},
+  {"epa",         CmdHFEPA,         1, "{ German Identification Card... }"},
   {"legic",       CmdHFLegic,       0, "{ LEGIC RFIDs... }"},
   {"iclass",      CmdHFiClass,      1, "{ ICLASS RFIDs... }"},
-  {"mf",      		CmdHFMF,		      1, "{ MIFARE RFIDs... }"},
+  {"mf",      		CmdHFMF,		1, "{ MIFARE RFIDs... }"},
   {"tune",        CmdHFTune,        0, "Continuously measure HF antenna tuning"},
-  {NULL, NULL, 0, NULL}
+  {"list",       CmdHFList,         1, "List protocol data in trace buffer"},
+	{NULL, NULL, 0, NULL}
 };
 
 int CmdHF(const char *Cmd)