X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/a00411152f87155ce260c46c3a6d14c5a8b9a05d..refs/pull/8/head:/client/cmdhfmf.c?ds=inline

diff --git a/client/cmdhfmf.c b/client/cmdhfmf.c
index 86fbe8df..2dc1ab2b 100644
--- a/client/cmdhfmf.c
+++ b/client/cmdhfmf.c
@@ -137,86 +137,86 @@ int CmdHF14AMfWrBl(const char *Cmd)
 		PrintAndLog("Command execute timeout");
 	}
 
-	return 0;
-}
-
-int CmdHF14AMfUWrBl(const char *Cmd)
-{
-        uint8_t blockNo = 0;
-        uint8_t bldata[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
-	UsbCommand resp;
-        
-        if (strlen(Cmd)<3) {
-                PrintAndLog("Usage:  hf mf uwrbl    <block number> <block data (8 hex symbols)>");
-                PrintAndLog("        sample: hf mf uwrbl 0 01020304");
-                return 0;
-        }       
-
-        blockNo = param_get8(Cmd, 0);
-        if (param_gethex(Cmd, 1, bldata, 8)) {
-                PrintAndLog("Block data must include 8 HEX symbols");
-                return 1;
-        }
-
-	switch(blockNo)
-	{
-	case 0:
-		PrintAndLog("Access Denied");
-		break;
-	case 1:
-		PrintAndLog("Access Denied");
-		break;
-	case 2:
-		PrintAndLog("--specialblock no:%02x", blockNo);
-                PrintAndLog("--data: %s", sprint_hex(bldata, 4));
-                UsbCommand c = {CMD_MIFAREU_WRITEBL, {blockNo}};
-                memcpy(c.d.asBytes, bldata, 4);
-                SendCommand(&c);
-
-                if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
-                        uint8_t isOK  = resp.arg[0] & 0xff;
-                        PrintAndLog("isOk:%02x", isOK);
-                } else {
-                        PrintAndLog("Command execute timeout");
-                }
-		break;
-	case 3:
-	        PrintAndLog("--specialblock no:%02x", blockNo);
-                PrintAndLog("--data: %s", sprint_hex(bldata, 4));
-                UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}};
-                memcpy(d.d.asBytes,bldata, 4);
-                SendCommand(&d);
-
-                if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
-                        uint8_t isOK  = resp.arg[0] & 0xff;
-                        PrintAndLog("isOk:%02x", isOK);
-                } else {
-                        PrintAndLog("Command execute timeout");
-                }
-		break;
-	default: 
-        	PrintAndLog("--block no:%02x", blockNo);
-        	PrintAndLog("--data: %s", sprint_hex(bldata, 4));        	
-  		//UsbCommand e = {CMD_MIFAREU_WRITEBL_COMPAT, {blockNo}};
-        	//memcpy(e.d.asBytes,bldata, 16);
-  		UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
-                memcpy(e.d.asBytes,bldata, 4);
-		SendCommand(&e);
-
-        	if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
-        	        uint8_t isOK  = resp.arg[0] & 0xff;
-                	PrintAndLog("isOk:%02x", isOK);
-        	} else {
-                	PrintAndLog("Command execute timeout");
-        	}
-		break;
-	}
-        return 0;
-}
-
-int CmdHF14AMfRdBl(const char *Cmd)
-{
-	uint8_t blockNo = 0;
+	return 0;
+}
+
+int CmdHF14AMfUWrBl(const char *Cmd)
+{
+        uint8_t blockNo = 0;
+        uint8_t bldata[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+	UsbCommand resp;
+        
+        if (strlen(Cmd)<3) {
+                PrintAndLog("Usage:  hf mf uwrbl    <block number> <block data (8 hex symbols)>");
+                PrintAndLog("        sample: hf mf uwrbl 0 01020304");
+                return 0;
+        }       
+
+        blockNo = param_get8(Cmd, 0);
+        if (param_gethex(Cmd, 1, bldata, 8)) {
+                PrintAndLog("Block data must include 8 HEX symbols");
+                return 1;
+        }
+
+	switch(blockNo)
+	{
+	case 0:
+		PrintAndLog("Access Denied");
+		break;
+	case 1:
+		PrintAndLog("Access Denied");
+		break;
+	case 2:
+		PrintAndLog("--specialblock no:%02x", blockNo);
+                PrintAndLog("--data: %s", sprint_hex(bldata, 4));
+                UsbCommand c = {CMD_MIFAREU_WRITEBL, {blockNo}};
+                memcpy(c.d.asBytes, bldata, 4);
+                SendCommand(&c);
+
+                if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+                        uint8_t isOK  = resp.arg[0] & 0xff;
+                        PrintAndLog("isOk:%02x", isOK);
+                } else {
+                        PrintAndLog("Command execute timeout");
+                }
+		break;
+	case 3:
+	        PrintAndLog("--specialblock no:%02x", blockNo);
+                PrintAndLog("--data: %s", sprint_hex(bldata, 4));
+                UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}};
+                memcpy(d.d.asBytes,bldata, 4);
+                SendCommand(&d);
+
+                if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+                        uint8_t isOK  = resp.arg[0] & 0xff;
+                        PrintAndLog("isOk:%02x", isOK);
+                } else {
+                        PrintAndLog("Command execute timeout");
+                }
+		break;
+	default: 
+        	PrintAndLog("--block no:%02x", blockNo);
+        	PrintAndLog("--data: %s", sprint_hex(bldata, 4));        	
+  		//UsbCommand e = {CMD_MIFAREU_WRITEBL_COMPAT, {blockNo}};
+        	//memcpy(e.d.asBytes,bldata, 16);
+  		UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
+                memcpy(e.d.asBytes,bldata, 4);
+		SendCommand(&e);
+
+        	if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+        	        uint8_t isOK  = resp.arg[0] & 0xff;
+                	PrintAndLog("isOk:%02x", isOK);
+        	} else {
+                	PrintAndLog("Command execute timeout");
+        	}
+		break;
+	}
+        return 0;
+}
+
+int CmdHF14AMfRdBl(const char *Cmd)
+{
+	uint8_t blockNo = 0;
 	uint8_t keyType = 0;
 	uint8_t key[6] = {0, 0, 0, 0, 0, 0};
 	
@@ -259,135 +259,135 @@ int CmdHF14AMfRdBl(const char *Cmd)
 		PrintAndLog("Command execute timeout");
 	}
 
-  return 0;
-}
-
-int CmdHF14AMfURdBl(const char *Cmd)
-{
-        uint8_t blockNo = 0;
-
-        if (strlen(Cmd)<1) {
-                PrintAndLog("Usage:  hf mf urdbl    <block number>");
-                PrintAndLog("        sample: hf mf urdbl 0");
-                return 0;
-        }       
-        
-        blockNo = param_get8(Cmd, 0);
-        PrintAndLog("--block no:%02x", blockNo);
-        
-  UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
-  SendCommand(&c);
-
-        UsbCommand resp;
-        if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
-                uint8_t                isOK  = resp.arg[0] & 0xff;
-                uint8_t              * data  = resp.d.asBytes;
-
-                if (isOK)
-                        PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 4));
-                else
-                        PrintAndLog("isOk:%02x", isOK);
-        } else {
-                PrintAndLog("Command execute timeout");
-        }
-
-  return 0;
-}
-
-int CmdHF14AMfURdCard(const char *Cmd)
-{
-        int i;
-        uint8_t sectorNo = 0;
-	uint8_t *lockbytes_t=NULL;
-	uint8_t lockbytes[2]={0,0};
-	bool bit[16]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
-        
-        uint8_t isOK  = 0;
-        uint8_t * data  = NULL;
-
-        if (sectorNo > 15) {
-                PrintAndLog("Sector number must be less than 16");
-                return 1;
-        }
-        PrintAndLog("Attempting to Read Ultralight... ");
-        
-  	UsbCommand c = {CMD_MIFAREU_READCARD, {sectorNo}};
-  	SendCommand(&c);
-
-        UsbCommand resp;
-        if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
-                isOK  = resp.arg[0] & 0xff;
-                data  = resp.d.asBytes;
-
-                PrintAndLog("isOk:%02x", isOK);
-                if (isOK) 
-                        for (i = 0; i < 16; i++) {
-				switch(i){
-				  case 2:
-					//process lock bytes
-					lockbytes_t=data+(i*4);
-					lockbytes[0]=lockbytes_t[2];
-					lockbytes[1]=lockbytes_t[3];
-					for(int j=0; j<16; j++){
-						bit[j]=lockbytes[j/8] & ( 1 <<(7-j%8));
-					}
-					//PrintAndLog("LB %02x %02x", lockbytes[0],lockbytes[1]);
-					//PrintAndLog("LB2b %02x %02x %02x %02x %02x %02x %02x %02x",bit[8],bit[9],bit[10],bit[11],bit[12],bit[13],bit[14],bit[15]);		
-					PrintAndLog("Block %02x:%s ", i,sprint_hex(data + i * 4, 4));
-					break;
-				  case 3: 
-					PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[4]);
-					break;
-				  case 4:
-                                        PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[3]);
-					break;
-				  case 5:
-                                        PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[2]);
-					break;
-				  case 6:
-                                        PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[1]);
-					break;
-				  case 7:
-                                        PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[0]);
-					break;
-				  case 8:
-                                        PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[15]);
-					break;
-				  case 9:
-                                        PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[14]);
-					break;
-				  case 10:
-                                        PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[13]);
-					break;
-				  case 11:
-                                        PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[12]);
-					break;
-				  case 12:
-                                        PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[11]);
-					break;
-				  case 13:
-                                        PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[10]);
-					break;
-				  case 14:
-                                        PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[9]);
-					break;
-				  case 15:
-                                        PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[8]);
-					break;
-				  default:
-					PrintAndLog("Block %02x:%s ", i,sprint_hex(data + i * 4, 4));
-					break;
-				}
-                        }
-        } else {
-                PrintAndLog("Command1 execute timeout");
-        }
-  return 0;
-}
-
-int CmdHF14AMfRdSc(const char *Cmd)
-{
-	int i;
+  return 0;
+}
+
+int CmdHF14AMfURdBl(const char *Cmd)
+{
+        uint8_t blockNo = 0;
+
+        if (strlen(Cmd)<1) {
+                PrintAndLog("Usage:  hf mf urdbl    <block number>");
+                PrintAndLog("        sample: hf mf urdbl 0");
+                return 0;
+        }       
+        
+        blockNo = param_get8(Cmd, 0);
+        PrintAndLog("--block no:%02x", blockNo);
+        
+  UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
+  SendCommand(&c);
+
+        UsbCommand resp;
+        if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+                uint8_t                isOK  = resp.arg[0] & 0xff;
+                uint8_t              * data  = resp.d.asBytes;
+
+                if (isOK)
+                        PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 4));
+                else
+                        PrintAndLog("isOk:%02x", isOK);
+        } else {
+                PrintAndLog("Command execute timeout");
+        }
+
+  return 0;
+}
+
+int CmdHF14AMfURdCard(const char *Cmd)
+{
+        int i;
+        uint8_t sectorNo = 0;
+	uint8_t *lockbytes_t=NULL;
+	uint8_t lockbytes[2]={0,0};
+	bool bit[16]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
+        
+        uint8_t isOK  = 0;
+        uint8_t * data  = NULL;
+
+        if (sectorNo > 15) {
+                PrintAndLog("Sector number must be less than 16");
+                return 1;
+        }
+        PrintAndLog("Attempting to Read Ultralight... ");
+        
+  	UsbCommand c = {CMD_MIFAREU_READCARD, {sectorNo}};
+  	SendCommand(&c);
+
+        UsbCommand resp;
+        if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+                isOK  = resp.arg[0] & 0xff;
+                data  = resp.d.asBytes;
+
+                PrintAndLog("isOk:%02x", isOK);
+                if (isOK) 
+                        for (i = 0; i < 16; i++) {
+				switch(i){
+				  case 2:
+					//process lock bytes
+					lockbytes_t=data+(i*4);
+					lockbytes[0]=lockbytes_t[2];
+					lockbytes[1]=lockbytes_t[3];
+					for(int j=0; j<16; j++){
+						bit[j]=lockbytes[j/8] & ( 1 <<(7-j%8));
+					}
+					//PrintAndLog("LB %02x %02x", lockbytes[0],lockbytes[1]);
+					//PrintAndLog("LB2b %02x %02x %02x %02x %02x %02x %02x %02x",bit[8],bit[9],bit[10],bit[11],bit[12],bit[13],bit[14],bit[15]);		
+					PrintAndLog("Block %02x:%s ", i,sprint_hex(data + i * 4, 4));
+					break;
+				  case 3: 
+					PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[4]);
+					break;
+				  case 4:
+                                        PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[3]);
+					break;
+				  case 5:
+                                        PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[2]);
+					break;
+				  case 6:
+                                        PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[1]);
+					break;
+				  case 7:
+                                        PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[0]);
+					break;
+				  case 8:
+                                        PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[15]);
+					break;
+				  case 9:
+                                        PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[14]);
+					break;
+				  case 10:
+                                        PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[13]);
+					break;
+				  case 11:
+                                        PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[12]);
+					break;
+				  case 12:
+                                        PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[11]);
+					break;
+				  case 13:
+                                        PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[10]);
+					break;
+				  case 14:
+                                        PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[9]);
+					break;
+				  case 15:
+                                        PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[8]);
+					break;
+				  default:
+					PrintAndLog("Block %02x:%s ", i,sprint_hex(data + i * 4, 4));
+					break;
+				}
+                        }
+        } else {
+                PrintAndLog("Command1 execute timeout");
+        }
+  return 0;
+}
+
+int CmdHF14AMfRdSc(const char *Cmd)
+{
+	int i;
 	uint8_t sectorNo = 0;
 	uint8_t keyType = 0;
 	uint8_t key[6] = {0, 0, 0, 0, 0, 0};
@@ -947,19 +947,28 @@ int CmdHF14AMfChk(const char *Cmd)
 	keyBlock = calloc(stKeyBlock, 6);
 	if (keyBlock == NULL) return 1;
 
-	num_to_bytes(0xffffffffffff, 6, (uint8_t*)(keyBlock + 0 * 6)); // Default key (first key used by program if no user defined key)
-	num_to_bytes(0x000000000000, 6, (uint8_t*)(keyBlock + 1 * 6)); // Blank key
-	num_to_bytes(0xa0a1a2a3a4a5, 6, (uint8_t*)(keyBlock + 2 * 6)); // NFCForum MAD key
-	num_to_bytes(0xb0b1b2b3b4b5, 6, (uint8_t*)(keyBlock + 3 * 6));
-	num_to_bytes(0xaabbccddeeff, 6, (uint8_t*)(keyBlock + 4 * 6));
-	num_to_bytes(0x4d3a99c351dd, 6, (uint8_t*)(keyBlock + 5 * 6));
-	num_to_bytes(0x1a982c7e459a, 6, (uint8_t*)(keyBlock + 6 * 6));
-	num_to_bytes(0xd3f7d3f7d3f7, 6, (uint8_t*)(keyBlock + 7 * 6));
-	num_to_bytes(0x714c5c886e97, 6, (uint8_t*)(keyBlock + 8 * 6));
-	num_to_bytes(0x587ee5f9350f, 6, (uint8_t*)(keyBlock + 9 * 6));
-	num_to_bytes(0xa0478cc39091, 6, (uint8_t*)(keyBlock + 10 * 6));
-	num_to_bytes(0x533cb6c723f6, 6, (uint8_t*)(keyBlock + 11 * 6));
-	num_to_bytes(0x8fd0a4f256e9, 6, (uint8_t*)(keyBlock + 12 * 6));
+	uint64_t defaultKeys[] =
+	{
+		0xffffffffffff, // Default key (first key used by program if no user defined key)
+		0x000000000000, // Blank key
+		0xa0a1a2a3a4a5, // NFCForum MAD key
+		0xb0b1b2b3b4b5,
+		0xaabbccddeeff,
+		0x4d3a99c351dd,
+		0x1a982c7e459a,
+		0xd3f7d3f7d3f7,
+		0x714c5c886e97,
+		0x587ee5f9350f,
+		0xa0478cc39091,
+		0x533cb6c723f6,
+		0x8fd0a4f256e9
+	};
+	int defaultKeysSize = (sizeof(defaultKeys) / 7) - 1;
+
+	for (int defaultKeyCounter = 0; defaultKeyCounter < defaultKeysSize; defaultKeyCounter++)
+	{
+		num_to_bytes(defaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6));
+	}
 	
 	if (strlen(Cmd)<3) {
 		PrintAndLog("Usage:  hf mf chk <block number>/<*card memory> <key type (A/B/?)> [t] [<key (12 hex symbols)>] [<dic (*.dic)>]");
@@ -1029,13 +1038,7 @@ int CmdHF14AMfChk(const char *Cmd)
 			}
 			
 			if ( (f = fopen( filename , "r")) ) {
-				while( !feof(f) ){
-					memset(buf, 0, sizeof(buf));
-					if (fgets(buf, sizeof(buf), f) == NULL) {
-						PrintAndLog("File reading error.");
-						return 2;
-					}
-          
+				while( fgets(buf, sizeof(buf), f) ){
 					if (strlen(buf) < 12 || buf[11] == '\n')
 						continue;
 				
@@ -1063,6 +1066,7 @@ int CmdHF14AMfChk(const char *Cmd)
 					num_to_bytes(strtoll(buf, NULL, 16), 6, keyBlock + 6*keycnt);
 					PrintAndLog("chk custom key[%d] %012"llx, keycnt, bytes_to_num(keyBlock + 6*keycnt, 6));
 					keycnt++;
+					memset(buf, 0, sizeof(buf));
 				}
 			} else {
 				PrintAndLog("File: %s: not found or locked.", filename);
@@ -1075,7 +1079,7 @@ int CmdHF14AMfChk(const char *Cmd)
 	
 	if (keycnt == 0) {
 		PrintAndLog("No key specified,try default keys");
-		for (;keycnt <=12; keycnt++)
+		for (;keycnt < defaultKeysSize; keycnt++)
 			PrintAndLog("chk default key[%d] %02x%02x%02x%02x%02x%02x", keycnt,
 			(keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],
 			(keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4],	(keyBlock + 6*keycnt)[5], 6);
@@ -1144,24 +1148,68 @@ int CmdHF14AMfChk(const char *Cmd)
 
 int CmdHF14AMf1kSim(const char *Cmd)
 {
-	uint8_t uid[4] = {0, 0, 0, 0};
-	
+	uint8_t uid[7] = {0, 0, 0, 0, 0, 0, 0};
+	uint8_t exitAfterNReads = 0;
+	uint8_t flags = 0;
+
 	if (param_getchar(Cmd, 0) == 'h') {
-		PrintAndLog("Usage:  hf mf sim  <uid (8 hex symbols)>");
+		PrintAndLog("Usage:  hf mf sim  u <uid (8 hex symbols)> n <numreads> i x");
+		PrintAndLog("           u    (Optional) UID. If not specified, the UID from emulator memory will be used");
+		PrintAndLog("           n    (Optional) Automatically exit simulation after <numreads> blocks have been read by reader. 0 = infinite");
+		PrintAndLog("           i    (Optional) Interactive, means that console will not be returned until simulation finishes or is aborted");
+		PrintAndLog("           x    (Optional) Crack, performs the 'reader attack', nr/ar attack against a legitimate reader, fishes out the key(s)");
 		PrintAndLog("           sample: hf mf sim 0a0a0a0a ");
 		return 0;
-	}	
-	
-	if (param_getchar(Cmd, 0) && param_gethex(Cmd, 0, uid, 8)) {
-		PrintAndLog("UID must include 8 HEX symbols");
-		return 1;
 	}
-	PrintAndLog(" uid:%s ", sprint_hex(uid, 4));
-	
-  UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {0, 0, 0}};
-	memcpy(c.d.asBytes, uid, 4);
+	uint8_t pnr = 0;
+	if (param_getchar(Cmd, pnr) == 'u') {
+		if(param_gethex(Cmd, pnr+1, uid, 8) == 0)
+		{
+			flags |=FLAG_4B_UID_IN_DATA; // UID from packet
+		}else if(param_gethex(Cmd,pnr+1,uid,14) == 0)
+		{
+			flags |= FLAG_7B_UID_IN_DATA;// UID from packet
+		}else
+		{
+				PrintAndLog("UID, if specified, must include 8 or 14 HEX symbols");
+				return 1;
+		}
+		pnr +=2;
+	}
+	if (param_getchar(Cmd, pnr) == 'n') {
+		exitAfterNReads = param_get8(Cmd,pnr+1);
+		pnr += 2;
+	}
+	if (param_getchar(Cmd, pnr) == 'i' ) {
+		//Using a flag to signal interactiveness, least significant bit
+		flags |= FLAG_INTERACTIVE;
+		pnr++;
+	}
+
+	if (param_getchar(Cmd, pnr) == 'x' ) {
+		//Using a flag to signal interactiveness, least significant bit
+		flags |= FLAG_NR_AR_ATTACK;
+	}
+	PrintAndLog(" uid:%s, numreads:%d, flags:%d (0x%02x) ",
+				flags & FLAG_4B_UID_IN_DATA ? sprint_hex(uid,4):
+											  flags & FLAG_7B_UID_IN_DATA	? sprint_hex(uid,7): "N/A"
+				, exitAfterNReads, flags,flags);
+
+
+  UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {flags, exitAfterNReads,0}};
+  memcpy(c.d.asBytes, uid, sizeof(uid));
   SendCommand(&c);
 
+  if(flags & FLAG_INTERACTIVE)
+  {
+	  UsbCommand resp;
+	  PrintAndLog("Press pm3-button to abort simulation");
+	  while(! WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+		//We're waiting only 1.5 s at a time, otherwise we get the
+		  // annoying message about "Waiting for a response... "
+	  }
+  }
+
   return 0;
 }
 
@@ -1291,7 +1339,11 @@ int CmdHF14AMfELoad(const char *Cmd)
 	while(!feof(f)){
 		memset(buf, 0, sizeof(buf));
 		if (fgets(buf, sizeof(buf), f) == NULL) {
-      PrintAndLog("File reading error.");
+			if(blockNum == 16 * 4)
+			{
+				break;
+			}
+			PrintAndLog("File reading error.");
 			return 2;
     }
 
@@ -1319,7 +1371,7 @@ int CmdHF14AMfELoad(const char *Cmd)
 		PrintAndLog("File content error. There must be 64 blocks");
 		return 4;
 	}
-	PrintAndLog("Loaded from file: %s", filename);
+	PrintAndLog("Loaded %d blocks from file: %s", blockNum, filename);
   return 0;
 }
 
@@ -1795,8 +1847,9 @@ int CmdHF14AMfSniff(const char *Cmd){
 	printf("Press the key on pc keyboard to abort the client.\n");
 	printf("-------------------------------------------------------------------------\n");
 
-  UsbCommand c = {CMD_MIFARE_SNIFFER, {0, 0, 0}};
-  SendCommand(&c);
+	UsbCommand c = {CMD_MIFARE_SNIFFER, {0, 0, 0}};
+	clearCommandBuffer();
+	SendCommand(&c);
 
 	// wait cycle
 	while (true) {
@@ -1831,7 +1884,7 @@ int CmdHF14AMfSniff(const char *Cmd){
 				PrintAndLog("received trace len: %d packages: %d", blockLen, pckNum);
 				num = 0;
 				while (bufPtr - buf + 9 < blockLen) {
-				  isTag = bufPtr[3] & 0x80 ? true:false;
+					isTag = bufPtr[3] & 0x80 ? true:false;
 					bufPtr += 4;
 					parity = *((uint32_t *)(bufPtr));
 					bufPtr += 4;
@@ -1843,7 +1896,7 @@ int CmdHF14AMfSniff(const char *Cmd){
 						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) {
+						if (wantLogToFile || wantDecrypt) {
 							FillFileNameByUID(logHexFileName, uid, ".log", 7);
 							AddLogCurrentDT(logHexFileName);
 						}						
@@ -1859,23 +1912,24 @@ int CmdHF14AMfSniff(const char *Cmd){
 			}
 		} // resp not NILL
 	} // while (true)
-  return 0;
+	
+	return 0;
 }
 
 static command_t CommandTable[] =
 {
-  {"help",		CmdHelp,						1, "This help"},
-  {"dbg",			CmdHF14AMfDbg,			0, "Set default debug mode"},
-  {"rdbl",		CmdHF14AMfRdBl,			0, "Read MIFARE classic block"},
-  {"urdbl",              CmdHF14AMfURdBl,                 0, "Read MIFARE Ultralight block"},
-  {"urdcard",           CmdHF14AMfURdCard,               0,"Read MIFARE Ultralight Card"},
-  {"uwrbl",		CmdHF14AMfUWrBl,		0,"Write MIFARE Ultralight 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"},
+  {"help",		CmdHelp,						1, "This help"},
+  {"dbg",			CmdHF14AMfDbg,			0, "Set default debug mode"},
+  {"rdbl",		CmdHF14AMfRdBl,			0, "Read MIFARE classic block"},
+  {"urdbl",              CmdHF14AMfURdBl,                 0, "Read MIFARE Ultralight block"},
+  {"urdcard",           CmdHF14AMfURdCard,               0,"Read MIFARE Ultralight Card"},
+  {"uwrbl",		CmdHF14AMfUWrBl,		0,"Write MIFARE Ultralight 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"},
   {"wrbl",		CmdHF14AMfWrBl,			0, "Write MIFARE classic block"},
   {"chk",			CmdHF14AMfChk,			0, "Test block keys"},
-  {"mifare",	CmdHF14AMifare,			0, "Read parity error messages. param - <used card nonce>"},
+  {"mifare",	CmdHF14AMifare,			0, "Read parity error messages."},
   {"nested",	CmdHF14AMfNested,		0, "Test nested authentication"},
   {"sniff",		CmdHF14AMfSniff,		0, "Sniff card-reader communication"},
   {"sim",			CmdHF14AMf1kSim,		0, "Simulate MIFARE card"},