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

diff --git a/client/cmdlfem4x.c b/client/cmdlfem4x.c
index 6cb76fee2a9d5ed9a5b1fd222673561a09b92bf6..d139724c1cf23f40b422786316a6de1350782cc8 100644 (file)
--- 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;
 }