X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/e4691591454edf2c11697096ea72d650a7dbda79..b8f705e73e60cc098c220152e856ca8ec42f6fa4:/client/mifarehost.c

diff --git a/client/mifarehost.c b/client/mifarehost.c
index 7f784850..6716f7eb 100644
--- a/client/mifarehost.c
+++ b/client/mifarehost.c
@@ -72,7 +72,6 @@ int mfnested(uint8_t blockNo, uint8_t keyType, uint8_t * key, uint8_t trgBlockNo
 	uint16_t i, len;
 	uint32_t uid;
 	UsbCommand resp;
-
 	StateList_t statelists[2];
 	struct Crypto1State *p1, *p2, *p3, *p4;
 	
@@ -216,7 +215,7 @@ int mfEmlGetMem(uint8_t *data, int blockNum, int blocksCount) {
 	UsbCommand c = {CMD_MIFARE_EML_MEMGET, {blockNum, blocksCount, 0}};
  	SendCommand(&c);
 
-  UsbCommand resp;
+	UsbCommand resp;
 	if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) return 1;
 	memcpy(data, resp.d.asBytes, blocksCount * 16);
 	return 0;
@@ -231,28 +230,31 @@ int mfEmlSetMem(uint8_t *data, int blockNum, int blocksCount) {
 
 // "MAGIC" CARD
 
-int mfCSetUID(uint8_t *uid, uint8_t *oldUID, bool wantWipe) {
-	
+int mfCSetUID(uint8_t *uid, uint8_t *atqa, uint8_t *sak, uint8_t *oldUID, bool wantWipe) {
 	uint8_t oldblock0[16] = {0x00};
 	uint8_t block0[16] = {0x00};
-	memcpy(block0, uid, 4); 
-	block0[4] = block0[0]^block0[1]^block0[2]^block0[3]; // Mifare UID BCC
-	// mifare classic SAK(byte 5) and ATQA(byte 6 and 7)
-	//block0[5] = 0x08;
-	//block0[6] = 0x04;
-	//block0[7] = 0x00;
-	
-	block0[5] = 0x01;  //sak
-	block0[6] = 0x01;
-	block0[7] = 0x0f;
-	
+
 	int old = mfCGetBlock(0, oldblock0, CSETBLOCK_SINGLE_OPER);
-	if ( old == 0) {
-		memcpy(block0+8, oldblock0+8, 8);
-		PrintAndLog("block 0:  %s", sprint_hex(block0,16));
+	if (old == 0) {
+		memcpy(block0, oldblock0, 16);
+		PrintAndLog("old block 0:  %s", sprint_hex(block0,16));
 	} else {
-		PrintAndLog("Couldn't get olddata. Will write over the last bytes of Block 0.");
+		PrintAndLog("Couldn't get old data. Will write over the last bytes of Block 0.");
+	}
+
+	// fill in the new values
+	// UID
+	memcpy(block0, uid, 4); 
+	// Mifare UID BCC
+	block0[4] = block0[0]^block0[1]^block0[2]^block0[3];
+	// mifare classic SAK(byte 5) and ATQA(byte 6 and 7, reversed)
+	if (sak!=NULL)
+		block0[5]=sak[0];
+	if (atqa!=NULL) {
+		block0[6]=atqa[1];
+		block0[7]=atqa[0];
 	}
+	PrintAndLog("new block 0:  %s", sprint_hex(block0,16));
 	return mfCSetBlock(0, block0, oldUID, wantWipe, CSETBLOCK_SINGLE_OPER);
 }
 
@@ -263,7 +265,7 @@ int mfCSetBlock(uint8_t blockNo, uint8_t *data, uint8_t *uid, bool wantWipe, uin
 	memcpy(c.d.asBytes, data, 16); 
 	SendCommand(&c);
 
-  UsbCommand resp;
+	UsbCommand resp;
 	if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
 		isOK  = resp.arg[0] & 0xff;
 		if (uid != NULL) 
@@ -362,10 +364,10 @@ int loadTraceCard(uint8_t *tuid) {
 	
 		memset(buf, 0, sizeof(buf));
 		if (fgets(buf, sizeof(buf), f) == NULL) {
-			PrintAndLog("File reading error.");
+      PrintAndLog("File reading error.");
 			fclose(f);
 			return 2;
-    	}
+    }
 
 		if (strlen(buf) < 32){
 			if (feof(f)) break;
@@ -471,7 +473,7 @@ int mfTraceDecode(uint8_t *data_src, int len, bool wantSaveToEmlFile) {
 		}
 		
 		// AUTHENTICATION
-		if ((len ==4) && ((data[0] == 0x60) || (data[0] == 0x61))) {
+		if ((len == 4) && ((data[0] == 0x60) || (data[0] == 0x61))) {
 			traceState = TRACE_AUTH1;
 			traceCurBlock = data[1];
 			traceCurKey = data[0] == 60 ? 1:0;