From: iceman1001 <iceman@iuse.se>
Date: Wed, 19 Oct 2016 23:50:30 +0000 (+0200)
Subject: FIX:  strange bug in "lf em em410xwatch" , which the client crasches when it reads... 
X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/commitdiff_plain/3c6354e99a34b09e6cdcba1961033aca4b98710c?ds=inline

FIX:  strange bug in "lf em em410xwatch" , which the client crasches when it reads a valid em tag.
---

diff --git a/client/cmdlfem4x.c b/client/cmdlfem4x.c
index 6cb76fee..d139724c 100644
--- a/client/cmdlfem4x.c
+++ b/client/cmdlfem4x.c
@@ -13,7 +13,7 @@
 #include <inttypes.h>
 #include "cmdlfem4x.h"
 
-char *global_em410xId;
+uint64_t g_em410xid = 0;
 
 static int CmdHelp(const char *Cmd);
 
@@ -47,11 +47,7 @@ int CmdEM410xRead(const char *Cmd)
 		PrintAndLog ("EM410x XL pattern found");
 		return 0;
 	}
-	char id[12] = {0x00};
-	//sprintf(id, "%010llx",lo);
-	 sprintf(id, "%010"PRIu64, lo);	
-	
-	global_em410xId = id;
+	g_em410xid = lo;
 	return 1;
 }
 
@@ -150,11 +146,18 @@ int CmdEM410xWatch(const char *Cmd)
 }
 
 //currently only supports manchester modulations
+// todo: helptext
 int CmdEM410xWatchnSpoof(const char *Cmd)
 {
-	CmdEM410xWatch(Cmd);
-	PrintAndLog("# Replaying captured ID: %s",global_em410xId);
-	CmdLFaskSim("");
+	// loops if the captured ID was in XL-format.
+ 	uint8_t ans = 0;
+	do {
+		ans = CmdEM410xWatch(Cmd);
+		if ( ans ) {
+			PrintAndLog("# Replaying captured ID: %llu", g_em410xid);
+			CmdLFaskSim("");
+		} 
+	} while ( !ans );
 	return 0;
 }