X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/208a0166b948d88b276a67dd334f3b1ecca62420..14006804dd8e68db2a877e0ee588f10a1b178caf:/client/cmdhfmf.c

diff --git a/client/cmdhfmf.c b/client/cmdhfmf.c
index eafb2919..1fbeff4a 100644
--- a/client/cmdhfmf.c
+++ b/client/cmdhfmf.c
@@ -1,5 +1,5 @@
 //-----------------------------------------------------------------------------
-// Copyright (C) 2011 Merlok
+// Copyright (C) 2011,2012 Merlok
 //
 // 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
@@ -19,7 +19,7 @@ int CmdHF14AMifare(const char *Cmd)
 	uint32_t nt = 0;
 	uint64_t par_list = 0, ks_list = 0, r_key = 0;
 	uint8_t isOK = 0;
-	uint8_t keyBlock[6] = {0,0,0,0,0,0};
+	uint8_t keyBlock[8] = {0};
 
 	if (param_getchar(Cmd, 0) && param_gethex(Cmd, 0, keyBlock, 8)) {
 		PrintAndLog("Nt must include 8 HEX symbols");
@@ -37,7 +37,6 @@ start:
 	// message
 	printf("-------------------------------------------------------------------------\n");
 	printf("Executing command. It may take up to 30 min.\n");
-	printf("Press the key on proxmark3 device to abort proxmark3.\n");
 	printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n");
 	printf("-------------------------------------------------------------------------\n");
 	
@@ -83,7 +82,7 @@ start:
 	else
 	{
 		PrintAndLog("Found invalid key. ( Nt=%08x ,Trying use it to run again...", nt);	
-		c.d.asDwords[0] = nt;
+		c.arg[0] = nt;
 		goto start;
 	}
 	
@@ -1387,20 +1386,291 @@ int CmdHF14AMfCLoad(const char *Cmd)
 	}
 }
 
+int CmdHF14AMfCGetBlk(const char *Cmd) {
+	uint8_t memBlock[16];
+	uint8_t blockNo = 0;
+	int res;
+	memset(memBlock, 0x00, sizeof(memBlock));
+
+	if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
+		PrintAndLog("Usage:  hf mf cgetblk <block number>");
+		PrintAndLog("sample:  hf mf cgetblk 1");
+		PrintAndLog("Get block data from magic Chinese card (only works with!!!)\n");
+		return 0;
+	}	
+
+	blockNo = param_get8(Cmd, 0);
+	if (blockNo >= 32 * 4 + 8 * 16) {
+		PrintAndLog("Block number must be in [0..255] as in MIFARE classic.");
+		return 1;
+	}
+
+	PrintAndLog("--block number:%02x ", blockNo);
+
+	res = mfCGetBlock(blockNo, memBlock, CSETBLOCK_SINGLE_OPER);
+	if (res) {
+			PrintAndLog("Can't read block. error=%d", res);
+			return 1;
+		}
+	
+	PrintAndLog("block data:%s", sprint_hex(memBlock, 16));
+	return 0;
+}
+
+int CmdHF14AMfCGetSc(const char *Cmd) {
+	uint8_t memBlock[16];
+	uint8_t sectorNo = 0;
+	int i, res, flags;
+	memset(memBlock, 0x00, sizeof(memBlock));
+
+	if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
+		PrintAndLog("Usage:  hf mf cgetsc <sector number>");
+		PrintAndLog("sample:  hf mf cgetsc 0");
+		PrintAndLog("Get sector data from magic Chinese card (only works with!!!)\n");
+		return 0;
+	}	
+
+	sectorNo = param_get8(Cmd, 0);
+	if (sectorNo > 15) {
+		PrintAndLog("Sector number must be in [0..15] as in MIFARE classic.");
+		return 1;
+	}
+
+	PrintAndLog("--sector number:%02x ", sectorNo);
+
+	flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;
+	for (i = 0; i < 4; i++) {
+		if (i == 1) flags = 0;
+		if (i == 3) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;
+
+		res = mfCGetBlock(sectorNo * 4 + i, memBlock, flags);
+		if (res) {
+			PrintAndLog("Can't read block. %02x error=%d", sectorNo * 4 + i, res);
+			return 1;
+		}
+	
+		PrintAndLog("block %02x data:%s", sectorNo * 4 + i, sprint_hex(memBlock, 16));
+	}
+	return 0;
+}
+
+int CmdHF14AMfCSave(const char *Cmd) {
+
+	FILE * f;
+	char filename[20];
+	char * fnameptr = filename;
+	uint8_t fillFromEmulator = 0;
+	uint8_t buf[64];
+	int i, j, len, flags;
+	
+	memset(filename, 0, sizeof(filename));
+	memset(buf, 0, sizeof(buf));
+
+	if (param_getchar(Cmd, 0) == 'h') {
+		PrintAndLog("It saves `magic Chinese` card dump into the file `filename.eml` or `cardID.eml`");
+		PrintAndLog("or into emulator memory (option `e`)");
+		PrintAndLog("Usage:  hf mf esave [file name w/o `.eml`][e]");
+		PrintAndLog(" sample: hf mf esave ");
+		PrintAndLog("         hf mf esave filename");
+		PrintAndLog("         hf mf esave e \n");
+		return 0;
+	}	
+
+	char ctmp = param_getchar(Cmd, 0);
+	if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1;
+
+	if (fillFromEmulator) {
+		// put into emulator
+		flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;
+		for (i = 0; i < 16 * 4; i++) {
+			if (i == 1) flags = 0;
+			if (i == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;
+		
+			if (mfCGetBlock(i, buf, flags)) {
+				PrintAndLog("Cant get block: %d", i);
+				break;
+			}
+			
+			if (mfEmlSetMem(buf, i, 1)) {
+				PrintAndLog("Cant set emul block: %d", i);
+				return 3;
+			}
+		}
+		return 0;
+	} else {
+		len = strlen(Cmd);
+		if (len > 14) len = 14;
+	
+		if (len < 1) {
+			// get filename
+			if (mfCGetBlock(0, buf, CSETBLOCK_SINGLE_OPER)) {
+				PrintAndLog("Cant get block: %d", 0);
+				return 1;
+			}
+			for (j = 0; j < 7; j++, fnameptr += 2)
+				sprintf(fnameptr, "%02x", buf[j]); 
+		} else {
+			memcpy(filename, Cmd, len);
+			fnameptr += len;
+		}
+
+		sprintf(fnameptr, ".eml"); 
+	
+		// open file
+		f = fopen(filename, "w+");
+
+		// put hex
+		flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;
+		for (i = 0; i < 16 * 4; i++) {
+			if (i == 1) flags = 0;
+			if (i == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;
+		
+			if (mfCGetBlock(i, buf, flags)) {
+				PrintAndLog("Cant get block: %d", i);
+				break;
+			}
+			for (j = 0; j < 16; j++)
+				fprintf(f, "%02x", buf[j]); 
+			fprintf(f,"\n");
+		}
+		fclose(f);
+	
+		PrintAndLog("Saved to file: %s", filename);
+	
+		return 0;
+	}
+}
+
+int CmdHF14AMfSniff(const char *Cmd){
+	// params
+	bool wantLogToFile = 0;
+	bool wantDecrypt = 0;
+	//bool wantSaveToEml = 0; TODO
+	bool wantSaveToEmlFile = 0;
+
+	//var 
+	int res = 0;
+	int len = 0;
+	int blockLen = 0;
+	int num = 0;
+	int pckNum = 0;
+	uint8_t uid[8];
+	uint8_t atqa[2];
+	uint8_t sak;
+	bool isTag;
+	uint32_t parity;
+	uint8_t buf[3000];
+	uint8_t * bufPtr = buf;
+	memset(buf, 0x00, 3000);
+	
+	if (param_getchar(Cmd, 0) == 'h') {
+		PrintAndLog("It continuously get data from the field and saves it to: log, emulator, emulator file.");
+		PrintAndLog("You can specify:");
+		PrintAndLog("    l - save encrypted sequence to logfile `uid.log`");
+		PrintAndLog("    d - decrypt sequence and put it to log file `uid.log`");
+		PrintAndLog(" n/a   e - decrypt sequence, collect read and write commands and save the result of the sequence to emulator memory");
+		PrintAndLog("    r - decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`");
+		PrintAndLog("Usage:  hf mf sniff [l][d][e][r]");
+		PrintAndLog("  sample: hf mf sniff l d e");
+		return 0;
+	}	
+	
+	for (int i = 0; i < 4; i++) {
+		char ctmp = param_getchar(Cmd, i);
+		if (ctmp == 'l' || ctmp == 'L') wantLogToFile = true;
+		if (ctmp == 'd' || ctmp == 'D') wantDecrypt = true;
+		//if (ctmp == 'e' || ctmp == 'E') wantSaveToEml = true; TODO
+		if (ctmp == 'f' || ctmp == 'F') wantSaveToEmlFile = true;
+	}
+	
+	printf("-------------------------------------------------------------------------\n");
+	printf("Executing command. \n");
+	printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n");
+	printf("Press the key on pc keyboard to abort the client.\n");
+	printf("-------------------------------------------------------------------------\n");
+
+  UsbCommand c = {CMD_MIFARE_SNIFFER, {0, 0, 0}};
+  SendCommand(&c);
+
+	// wait cycle
+	while (true) {
+		printf(".");
+		fflush(stdout);
+		if (ukbhit()) {
+			getchar();
+			printf("\naborted via keyboard!\n");
+			break;
+		}
+		
+		UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 2000);
+		if (resp != NULL) {
+			res = resp->arg[0] & 0xff;
+			len = resp->arg[1];
+			num = resp->arg[2];
+			
+			if (res == 0) return 0;
+			if (res == 1) {
+				if (num ==0) {
+					bufPtr = buf;
+					memset(buf, 0x00, 3000);
+				}
+				memcpy(bufPtr, resp->d.asBytes, len);
+				bufPtr += len;
+				pckNum++;
+			}
+			if (res == 2) {
+				blockLen = bufPtr - buf;
+				bufPtr = buf;
+				printf(">\n");
+				PrintAndLog("received trace len: %d packages: %d", blockLen, pckNum);
+				num = 0;
+				while (bufPtr - buf + 9 < blockLen) {
+				  isTag = bufPtr[3] & 0x80 ? true:false;
+					bufPtr += 4;
+					parity = *((uint32_t *)(bufPtr));
+					bufPtr += 4;
+					len = bufPtr[0];
+					bufPtr++;
+					if ((len == 14) && (bufPtr[0] = 0xff) && (bufPtr[1] = 0xff)) {
+						memcpy(uid, bufPtr + 2, 7);
+						memcpy(atqa, bufPtr + 2 + 7, 2);
+						sak = bufPtr[11];
+						
+						PrintAndLog("tag select uid:%s atqa:%02x %02x sak:0x%02x", sprint_hex(uid, 7), atqa[0], atqa[1], sak);
+						if (wantLogToFile) {
+							FillFileNameByUID(logHexFileName, uid, ".log", 7);
+							AddLogCurrentDT(logHexFileName);
+						}						
+						if (wantDecrypt) mfTraceInit(uid, atqa, sak, wantSaveToEmlFile);
+					} else {
+						PrintAndLog("%s(%d):%s", isTag ? "TAG":"RDR", num, sprint_hex(bufPtr, len));
+						if (wantLogToFile) AddLogHex(logHexFileName, isTag ? "TAG: ":"RDR: ", bufPtr, len);
+						if (wantDecrypt) mfTraceDecode(bufPtr, len, parity, wantSaveToEmlFile);
+					}
+					bufPtr += len;
+					num++;
+				}
+			}
+		} // resp not NILL
+	} // while (true)
+  return 0;
+}
+
 static command_t CommandTable[] =
 {
-  {"help",		CmdHelp,				1, "This help"},
-  {"dbg",		CmdHF14AMfDbg,			0, "Set default debug mode"},
+  {"help",		CmdHelp,						1, "This help"},
+  {"dbg",			CmdHF14AMfDbg,			0, "Set default debug mode"},
   {"rdbl",		CmdHF14AMfRdBl,			0, "Read MIFARE classic block"},
   {"rdsc",		CmdHF14AMfRdSc,			0, "Read MIFARE classic sector"},
   {"dump",		CmdHF14AMfDump,			0, "Dump MIFARE classic tag to binary file"},
-  {"restore",	CmdHF14AMfRestore,		0, "Restore MIFARE classic binary file to BLANK tag"},
+  {"restore",	CmdHF14AMfRestore,	0, "Restore MIFARE classic binary file to BLANK tag"},
   {"wrbl",		CmdHF14AMfWrBl,			0, "Write MIFARE classic block"},
-  {"chk",		CmdHF14AMfChk,			0, "Test block keys"},
+  {"chk",			CmdHF14AMfChk,			0, "Test block keys"},
   {"mifare",	CmdHF14AMifare,			0, "Read parity error messages. param - <used card nonce>"},
   {"nested",	CmdHF14AMfNested,		0, "Test nested authentication"},
-  {"sim",		CmdHF14AMf1kSim,		0, "Simulate MIFARE card"},
-  {"eclr",  	CmdHF14AMfEClear,		0, "Clear simulator memory block"},
+  {"sniff",		CmdHF14AMfSniff,		0, "Sniff card-reader communication"},
+  {"sim",			CmdHF14AMf1kSim,		0, "Simulate MIFARE card"},
+  {"eclr",		CmdHF14AMfEClear,		0, "Clear simulator memory block"},
   {"eget",		CmdHF14AMfEGet,			0, "Get simulator memory block"},
   {"eset",		CmdHF14AMfESet,			0, "Set simulator memory block"},
   {"eload",		CmdHF14AMfELoad,		0, "Load from file emul dump"},
@@ -1409,7 +1679,10 @@ static command_t CommandTable[] =
   {"ekeyprn",	CmdHF14AMfEKeyPrn,	0, "Print keys from simulator memory"},
   {"csetuid",	CmdHF14AMfCSetUID,	0, "Set UID for magic Chinese card"},
   {"csetblk",	CmdHF14AMfCSetBlk,	0, "Write block into magic Chinese card"},
+  {"cgetblk",	CmdHF14AMfCGetBlk,	0, "Read block from magic Chinese card"},
+  {"cgetsc",	CmdHF14AMfCGetSc,		0, "Read sector from magic Chinese card"},
   {"cload",		CmdHF14AMfCLoad,		0, "Load dump into magic Chinese card"},
+  {"csave",		CmdHF14AMfCSave,		0, "Save dump from magic Chinese card into file or emulator"},
   {NULL, NULL, 0, NULL}
 };