X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/1e3a799d47fc551bb9c1611c6d7db47844dd03b7..05446d5bc3d9263efc6a12026f6cf84bb421735e:/client/cmdhfmf.c

diff --git a/client/cmdhfmf.c b/client/cmdhfmf.c
index d0852ea5..db563cad 100644
--- a/client/cmdhfmf.c
+++ b/client/cmdhfmf.c
@@ -1023,6 +1023,7 @@ int CmdHF14AMf1kSim(const char *Cmd)
 		PrintAndLog("           x    (Optional) Crack, performs the 'reader attack', nr/ar attack against a legitimate reader, fishes out the key(s)");
 		PrintAndLog("");
 		PrintAndLog("           sample: hf mf sim u 0a0a0a0a ");
+		PrintAndLog("                 : hf mf sim u 0a0a0a0a i x");
 		return 0;
 	}
 	uint8_t pnr = 0;
@@ -1499,7 +1500,7 @@ int CmdHF14AMfCSetUID(const char *Cmd)
 
 int CmdHF14AMfCSetBlk(const char *Cmd)
 {
-	uint8_t uid[8] = {0x00};
+	//uint8_t uid[8] = {0x00};
 	uint8_t memBlock[16] = {0x00};
 	uint8_t blockNo = 0;
 	int res;
@@ -1521,7 +1522,8 @@ int CmdHF14AMfCSetBlk(const char *Cmd)
 
 	PrintAndLog("--block number:%2d data:%s", blockNo, sprint_hex(memBlock, 16));
 
-	res = mfCSetBlock(blockNo, memBlock, uid, 0, CSETBLOCK_SINGLE_OPER);
+	//res = mfCSetBlock(blockNo, memBlock, uid, 0, CSETBLOCK_SINGLE_OPER);
+	res = mfCSetBlock(blockNo, memBlock, NULL, 0, CSETBLOCK_SINGLE_OPER);
 	if (res) {
 			PrintAndLog("Can't write block. error=%d", res);
 			return 1;
@@ -1539,7 +1541,7 @@ int CmdHF14AMfCLoad(const char *Cmd)
 	char buf[64] = {0x00};
 	uint8_t buf8[64] = {0x00};
 	uint8_t fillFromEmulator = 0;
-	int i, len, blockNum, flags;
+	int i, len, blockNum, flags=0;
 	
 	if (param_getchar(Cmd, 0) == 'h' || param_getchar(Cmd, 0)== 0x00) {
 		PrintAndLog("It loads magic Chinese card from the file `filename.eml`");
@@ -1554,15 +1556,14 @@ int CmdHF14AMfCLoad(const char *Cmd)
 	if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1;
 	
 	if (fillFromEmulator) {
-		flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;
 		for (blockNum = 0; blockNum < 16 * 4; blockNum += 1) {
 			if (mfEmlGetMem(buf8, blockNum, 1)) {
 				PrintAndLog("Cant get block: %d", blockNum);
 				return 2;
 			}
-			
-			if (blockNum == 2) flags = 0;
-			if (blockNum == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;
+			if (blockNum == 0) flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;				// switch on field and send magic sequence
+			if (blockNum == 1) flags = 0;													// just write
+			if (blockNum == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;		// Done. Magic Halt and switch off field.
 
 			if (mfCSetBlock(blockNum, buf8, NULL, 0, flags)) {
 				PrintAndLog("Cant set magic card block: %d", blockNum);
@@ -1587,7 +1588,6 @@ int CmdHF14AMfCLoad(const char *Cmd)
 		}
 	
 		blockNum = 0;
-		flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;
 		while(!feof(f)){
 		
 			memset(buf, 0, sizeof(buf));
@@ -1597,7 +1597,7 @@ int CmdHF14AMfCLoad(const char *Cmd)
 				return 2;
 			}
 
-			if (strlen(buf) < 32){
+			if (strlen(buf) < 32) {
 				if(strlen(buf) && feof(f))
 					break;
 				PrintAndLog("File content error. Block data must include 32 HEX symbols");
@@ -1606,8 +1606,9 @@ int CmdHF14AMfCLoad(const char *Cmd)
 			for (i = 0; i < 32; i += 2)
 				sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);
 
-			if (blockNum == 2) flags = 0;
-			if (blockNum == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;
+			if (blockNum == 0) flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;				// switch on field and send magic sequence
+			if (blockNum == 1) flags = 0;													// just write
+			if (blockNum == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;		// Done. Switch off field.
 
 			if (mfCSetBlock(blockNum, buf8, NULL, 0, flags)) {
 				PrintAndLog("Can't set magic card block: %d", blockNum);